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\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001SX1278\u6a21\u5757\u7684\u6838\u5fc3\u7279\u6027<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u91c7\u7528LoRa\u00ae\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7075\u654f\u5ea6\u8fbe-148 dBm\uff0c\u53d1\u5c04\u529f\u7387\u6700\u9ad8+20 dBm\uff0c\u94fe\u8def\u9884\u7b97\u8fbe168 dB\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe5-10\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
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<\/figure>\n\n\n\n
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\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u9891\u7387\u5339\u914d<\/strong>\uff1a\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u5fc5\u987b\u5de5\u4f5c\u5728\u540c\u4e00\u9891\u6bb5(\u59822.4GHz\u30015.8GHz\u6216UHF\u9891\u6bb5)\u53ca\u5177\u4f53\u9891\u70b9\u4e0a\u3002\u82e5\u9891\u7387\u504f\u5dee\u8d85\u8fc7\u63a5\u6536\u7aef\u89e3\u8c03\u5668\u7684\u5bb9\u9650\u8303\u56f4\uff0c\u4fe1\u53f7\u5c06\u65e0\u6cd5\u6355\u83b7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u9053\u4e00\u81f4\u6027<\/strong>\uff1a\u5728\u591a\u4fe1\u9053\u7cfb\u7edf\u4e2d\uff0c\u9700\u624b\u52a8\u6216\u901a\u8fc7\u81ea\u52a8\u5bf9\u9891\u529f\u80fd(\u5982DFS\u6280\u672f)\u786e\u4fdd\u4fe1\u9053\u4e00\u81f4\uff0c\u907f\u514d\u8de8\u4fe1\u9053\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u30003.\u4fe1\u53f7\u683c\u5f0f\u4e0e\u63a5\u53e3\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8f93\u5165\u8f93\u51fa\u63a5\u53e3\u9700\u5339\u914d(\u5982HDMI\u3001SDI\u30013.5mm\u97f3\u9891\u63a5\u53e3)\uff0c\u5426\u5219\u9700\u989d\u5916\u8f6c\u63a5\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u5206\u8fa8\u7387\u4e0e\u5e27\u7387\u9700\u9002\u914d\uff0c\u4f8b\u5982\u53d1\u5c04\u7aef\u8f93\u51fa1080P@60fps\uff0c\u63a5\u6536\u7aef\u9700\u652f\u6301\u76f8\u540c\u89c4\u683c\uff0c\u5426\u5219\u53ef\u80fd\u964d\u9891\u6216\u9ed1\u5c4f\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u54c1\u724c\u4e0e\u578b\u53f7\u7684\u517c\u5bb9\u6027\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u4e13\u6709\u534f\u8bae\u9650\u5236<\/strong><\/h2>\n\n\n\n\u3000\u3000\u90e8\u5206\u54c1\u724c\u91c7\u7528\u79c1\u6709\u901a\u4fe1\u534f\u8bae\uff0c\u5bfc\u81f4\u8de8\u54c1\u724c\u8bbe\u5907\u65e0\u6cd5\u76f4\u63a5\u517c\u5bb9\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5927\u7586O4\u56fe\u4f20\u6a21\u5757\u4ec5\u9002\u914d\u5176\u7279\u5b9a\u65e0\u4eba\u673a\u578b\u53f7(\u5982Air 3)\uff0c\u4e0e\u5176\u4ed6\u54c1\u724c\u98de\u63a7\u5b58\u5728\u63a5\u53e3\u534f\u8bae\u5dee\u5f02\u3002<\/p>\n\n\n\n
\u3000\u3000\u5927\u7586G2\u773c\u955c\u9700\u4e0eVista\u56fe\u4f20\u914d\u5bf9\uff0c\u975e\u5b98\u65b9\u6a21\u5757\u53ef\u80fd\u56e0\u534f\u8bae\u4e0d\u5339\u914d\u5bfc\u81f4\u529f\u80fd\u7f3a\u5931\u3002<\/p>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u63a5\u53e3\u5dee\u5f02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u67d0\u4e9b\u56fe\u4f20\u8bbe\u5907\u91c7\u7528\u5b9a\u5236\u5316\u63a5\u53e3(\u5982DJI\u7684TS-5\u5929\u7ebf\u63a5\u53e3)\uff0c\u9700\u4e13\u7528\u7ebf\u7f06\u6216\u8f6c\u63a5\u5668\u624d\u80fd\u8fde\u63a5\u7b2c\u4e09\u65b9\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u7535\u6e90\u4e0e\u529f\u8017\u5dee\u5f02\u53ef\u80fd\u5bfc\u81f4\u8bbe\u5907\u635f\u574f\uff0c\u4f8b\u5982\u9ad8\u529f\u7387\u53d1\u5c04\u673a\u8fde\u63a5\u4f4e\u529f\u7387\u63a5\u6536\u673a\u53ef\u80fd\u70e7\u6bc1\u7535\u8def\u3002<\/p>\n\n\n\n
\u3000\u30003.\u56fa\u4ef6\u4e0e\u8f6f\u4ef6\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000\u54c1\u724c\u8bbe\u5907\u5e38\u901a\u8fc7\u56fa\u4ef6\u66f4\u65b0\u9501\u5b9a\u517c\u5bb9\u6027\u3002\u4f8b\u5982\uff0c\u5927\u7586\u65e0\u4eba\u673a\u56fa\u4ef6\u5347\u7ea7\u540e\u53ef\u80fd\u7981\u6b62\u4f7f\u7528\u7b2c\u4e09\u65b9\u56fe\u4f20\u6a21\u5757\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u63a5\u6536\u673a\u9700\u4e13\u7528APP\u6216\u63a7\u5236\u8f6f\u4ef6(\u5982\u6167\u660e\u6377\u7ba1\u63a7\u5e73\u53f0)\uff0c\u65e0\u6cd5\u4e0e\u5f02\u54c1\u724c\u8bbe\u5907\u534f\u540c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u975e\u914d\u5957\u4f7f\u7528\u7684\u5f71\u54cd\u4e0e\u98ce\u9669<\/h2>\n\n\n\n
\u3000\u30001.\u4fe1\u53f7\u5e72\u6270\u4e0e\u7a33\u5b9a\u6027\u4e0b\u964d<\/strong><\/h3>\n\n\n\n\u3000\u3000\u975e\u914d\u5957\u8bbe\u5907\u53ef\u80fd\u56e0\u9891\u6bb5\u91cd\u53e0\u4ea7\u751f\u540c\u9891\u5e72\u6270(\u59822.4GHz\u9891\u6bb5\u7684Wi-Fi\u4e0e\u56fe\u4f20\u51b2\u7a81)\uff0c\u5bfc\u81f4\u753b\u9762\u5361\u987f\u6216\u4e2d\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u90bb\u9891\u5e72\u6270(\u59825.8GHz\u8bbe\u5907\u4e0e5.1-5.9GHz\u7cfb\u7edf)\u4f1a\u964d\u4f4e\u4fe1\u566a\u6bd4\uff0c\u589e\u52a0\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u6298\u635f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u7f29\u77ed\uff1a\u4f8b\u5982\u6807\u79f0150\u7c73\u7684\u8bbe\u5907\u5728\u975e\u914d\u5957\u4f7f\u7528\u65f6\u53ef\u80fd\u4ec5\u8fbe50\u7c73\u3002<\/p>\n\n\n\n
\u3000\u3000\u5ef6\u8fdf\u589e\u52a0\uff1a\u534f\u8bae\u8f6c\u6362\u6216\u517c\u5bb9\u6027\u9002\u914d\u53ef\u80fd\u5bfc\u81f4\u989d\u5916\u5904\u7406\u65f6\u95f4\uff0c\u5f71\u54cd\u5b9e\u65f6\u6027(\u5982FPV\u98de\u884c\u573a\u666f)\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6cd5\u5f8b\u4e0e\u5408\u89c4\u98ce\u9669<\/strong><\/h3>\n\n\n\n\u3000\u3000\u64c5\u81ea\u66f4\u6362\u6a21\u5757\u53ef\u80fd\u8fdd\u53cd\u65e0\u7ebf\u7535\u7ba1\u7406\u6cd5\u89c4(\u5982\u8d85\u51fa\u53d1\u5c04\u529f\u7387\u9650\u5236\u6216\u4f7f\u7528\u975e\u6388\u6743\u9891\u6bb5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u517c\u5bb9\u6027\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n
\u3000\u30001.\u624b\u52a8\u914d\u7f6e\u517c\u5bb9\u6a21\u5f0f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u83dc\u5355\u5207\u6362\u9891\u70b9\u4e0e\u534f\u8bae(\u5982\u718a\u732bFPV\u56fe\u4f20\u652f\u6301\u8de8\u54c1\u724c\u9891\u70b9\u5339\u914d)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u626b\u9891\u529f\u80fd\u81ea\u52a8\u907f\u5f00\u5e72\u6270\u9891\u6bb5(\u5982\u731b\u739b\u56fe\u4f20\u7684\u667a\u80fd\u626b\u9891\u6280\u672f)\u3002<\/p>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u9002\u914d\u6539\u9020<\/strong><\/h3>\n\n\n\n\u3000\u3000\u52a0\u88c5\u6ee4\u6ce2\u5668\uff1a\u4f8b\u5982Tarot 1.2GHz\u4f4e\u901a\u6ee4\u6ce2\u5668\u53ef\u51cf\u5c11\u540c\u9891\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u3000\u6539\u9020\u5929\u7ebf\uff1a\u66f4\u6362\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u63d0\u5347\u8de8\u54c1\u724c\u4fe1\u53f7\u63a5\u6536\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6df7\u5408\u7cfb\u7edf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e00\u53d1\u591a\u6536\u6a21\u5f0f\uff1a\u5355\u53d1\u5c04\u673a\u53ef\u8fde\u63a5\u591a\u4e2a\u54c1\u724c\u63a5\u6536\u673a(\u9700\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f)\u3002<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362\u5668\uff1a\u5982HDMI-SDI\u8f6c\u6362\u5668\u89e3\u51b3\u63a5\u53e3\u5dee\u5f02\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u914d\u5957\u4f7f\u7528\u7684\u63a8\u8350\u573a\u666f<\/h2>\n\n\n\n
\u3000\u30001.\u4e13\u4e1a\u7ea7\u5e94\u7528<\/strong>(\u5982\u5f71\u89c6\u62cd\u6444\u3001\u5b89\u9632\u76d1\u63a7)<\/h3>\n\n\n\n\u3000\u3000\u9700\u9ad8\u53ef\u9760\u6027\u4e0e\u4f4e\u5ef6\u8fdf\uff0c\u5efa\u8bae\u4f7f\u7528\u540c\u54c1\u724c\u8bbe\u5907(\u5982\u5927\u7586O3\u5929\u7a7a\u7aef\u4e0eG2\u773c\u955c)\u3002<\/p>\n\n\n\n
\u3000\u3000\u52a0\u5bc6\u4f20\u8f93\u9700\u6c42\uff1a\u914d\u5957\u8bbe\u5907\u652f\u6301AES\u52a0\u5bc6\uff0c\u9632\u6b62\u4fe1\u53f7\u52ab\u6301\u3002<\/p>\n\n\n\n
\u3000\u30002.\u957f\u8ddd\u79bb\u4e0e\u590d\u6742\u73af\u5883<\/strong><\/h3>\n\n\n\n\u3000\u3000\u914d\u5957\u7cfb\u7edf\u901a\u8fc7\u534f\u540c\u4f18\u5316(\u5982MIMO\u6280\u672f\u3001\u6ce2\u675f\u6210\u5f62)\u63d0\u5347\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6848\u4f8b\uff1a\u5b87\u4e1c\u96f7\u795e3\u53f7UHF\u56fe\u4f20\u5728\u975e\u89c6\u8ddd\u573a\u666f\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe50\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6cd5\u89c4\u4e25\u683c\u573a\u666f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u8ba4\u8bc1\u8bbe\u5907(\u5982\u7b26\u5408FCC\/CE\u6807\u51c6\u7684\u914d\u5957\u7cfb\u7edf)\u907f\u514d\u6cd5\u5f8b\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u30001.\u662f\u5426\u9700\u8981\u914d\u5957\uff1f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6280\u672f\u5c42\u9762<\/strong>\uff1a\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u5fc5\u987b\u5728\u7f16\u7801\u3001\u9891\u7387\u3001\u63a5\u53e3\u7b49\u6838\u5fc3\u53c2\u6570\u4e0a\u5339\u914d\uff0c\u5426\u5219\u65e0\u6cd5\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u54c1\u724c\u5c42\u9762<\/strong>\uff1a\u4e13\u6709\u534f\u8bae\u8bbe\u5907\u9700\u914d\u5957\uff0c\u4f46\u90e8\u5206\u5f00\u653e\u534f\u8bae\u8bbe\u5907\u53ef\u901a\u8fc7\u914d\u7f6e\u5b9e\u73b0\u8de8\u54c1\u724c\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002.\u5b9e\u9645\u5efa\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u666e\u901a\u7528\u6237\u4f18\u5148\u9009\u62e9\u914d\u5957\u8bbe\u5907\uff0c\u786e\u4fdd\u6613\u7528\u6027\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e13\u4e1a\u7528\u6237\u53ef\u5728\u6280\u672f\u53c2\u6570\u4e25\u683c\u5339\u914d\u7684\u524d\u63d0\u4e0b\u5c1d\u8bd5\u6df7\u642d\u65b9\u6848\uff0c\u4f46\u9700\u627f\u62c5\u517c\u5bb9\u6027\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u5408\u7406\u9009\u62e9\u4e0e\u914d\u7f6e\uff0c\u53ef\u5728\u517c\u5bb9\u6027\u4e0e\u6027\u80fd\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\uff0c\u4f46\u914d\u5957\u7cfb\u7edf\u4ecd\u662f\u9ad8\u8981\u6c42\u573a\u666f\u7684\u6700\u4f18\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u56fe\u4f20\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u662f\u5426\u9700\u8981\u914d\u5957\u4f7f\u7528\uff0c\u9700\u8981\u4ece\u6280\u672f\u6807\u51c6\u3001\u901a\u4fe1\u534f\u8bae\u3001\u9891\u7387\u5339\u914d\u3001\u54c1\u724c\u517c\u5bb9\u6027\u7b49\u591a\u4e2a\u7ef4\u5ea6\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6280\u672f\u539f\u7406\u4e0e\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/p>\n","protected":false},"author":1,"featured_media":101552,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[456,451],"class_list":["post-102962","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-jsj","tag-wxtc"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102962"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102962\/revisions"}],"predecessor-version":[{"id":102963,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102962\/revisions\/102963"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/101552"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102962"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102960,"date":"2025-04-18T17:20:57","date_gmt":"2025-04-18T09:20:57","guid":{"rendered":"\/\/www.viralrail.com\/?p=102960"},"modified":"2025-04-18T17:21:07","modified_gmt":"2025-04-18T09:21:07","slug":"lkpmkszmsy-3","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102960.html","title":{"rendered":"LoRa\u6269\u9891\u6a21\u5757SX1278\u600e\u4e48\u4f7f\u7528"},"content":{"rendered":"\n
\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001SX1278\u6a21\u5757\u7684\u6838\u5fc3\u7279\u6027<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u91c7\u7528LoRa\u00ae\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7075\u654f\u5ea6\u8fbe-148 dBm\uff0c\u53d1\u5c04\u529f\u7387\u6700\u9ad8+20 dBm\uff0c\u94fe\u8def\u9884\u7b97\u8fbe168 dB\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe5-10\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5f00\u53d1\u8005\u53ef\u5feb\u901f\u5b9e\u73b0SX1278\u6a21\u5757\u7684\u90e8\u7f72\u4e0e\u8c03\u8bd5\uff0c\u5145\u5206\u53d1\u6325\u5176\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u5fc5\u987b\u4f9d\u8d56\u5916\u90e8\u4f9b\u7535<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u662f\u7535\u5b50\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u529f\u80fd(\u6570\u636e\u91c7\u96c6\u3001\u8f6c\u6362\u3001\u4f20\u8f93\u7b49)\u5747\u9700\u7535\u529b\u652f\u6301\u3002\u4ece\u786c\u4ef6\u7ec4\u6210\u6765\u770b\uff0cDTU\u901a\u5e38\u5305\u542b\u7535\u6e90\u6a21\u5757<\/strong>(\u5982\u6240\u8ff0)\uff0c\u8be5\u6a21\u5757\u8d1f\u8d23\u5c06\u8f93\u5165\u7535\u6e90\u8f6c\u6362\u4e3a\u8bbe\u5907\u6240\u9700\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u5e76\u4e3a\u5176\u4ed6\u7ec4\u4ef6(\u5982\u5fae\u5904\u7406\u5668\u3001\u901a\u4fe1\u6a21\u5757\u3001\u5b58\u50a8\u6a21\u5757\u7b49)\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u4f55\u79cd\u5e94\u7528\u573a\u666f\uff0cDTU\u5747\u9700\u63a5\u5165\u5916\u90e8\u7535\u6e90\u6216\u5185\u7f6e\u7535\u6c60\u7cfb\u7edf\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
\u3000\u3000\u5907\u7528\u7535\u6c60<\/strong>\uff1a\u4f5c\u4e3a\u4e3b\u7535\u6e90\u7684\u8865\u5145\uff0c\u53ef\u5728\u65ad\u7535\u65f6\u63d0\u4f9b24\u5c0f\u65f6\u4ee5\u4e0a\u7684\u7eed\u822a\u80fd\u529b\uff0c\u5e76\u914d\u5907\u4f4e\u7535\u538b\u544a\u8b66\u548c\u4fdd\u62a4\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30005. \u521b\u65b0\u4f9b\u7535\u65b9\u6848<\/strong><\/h3>\n\n\n\n\u3000\u3000\u96c6\u6210\u5f0f\u4f9b\u7535<\/strong>\uff1a\u5982\u4e13\u5229CN 119298611 A\u63d0\u51fa\u7684\u65b9\u6848\uff0c\u901a\u8fc7\u9006\u53d8\u5668\u4e3b\u677f\u76f4\u63a5\u4e3a\u5fae\u578bDTU\u4f9b\u7535\uff0c\u7b80\u5316\u4e86\u7535\u6e90\u8fde\u63a5\u6d41\u7a0b\uff0c\u63d0\u5347\u4e86\u6237\u5916\u5b89\u88c5\u4fbf\u5229\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u4f9b\u7535\u8bbe\u8ba1\u7684\u6838\u5fc3\u8981\u6c42<\/strong><\/h2>\n\n\n\n
\n
- \u3000\u3000\u7a33\u5b9a\u6027<\/strong>\uff1aDTU\u7684\u7535\u6e90\u9700\u63d0\u4f9b\u7a33\u5b9a\u7535\u538b\u548c\u7535\u6d41\uff0c\u907f\u514d\u56e0\u7535\u538b\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u4e2d\u65ad\u6216\u786c\u4ef6\u635f\u574f(\u5982\u5f3a\u8c03\u76f4\u6d41\u4f9b\u7535\u7684\u7eb9\u6ce2\u63a7\u5236)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5197\u4f59\u6027<\/strong>\uff1a\u5173\u952e\u573a\u666f(\u5982\u7535\u529b\u7cfb\u7edf)\u9700\u91c7\u7528\u53cc\u7535\u6e90\u6216\u5907\u7528\u7535\u6c60\u8bbe\u8ba1\uff0c\u786e\u4fdd\u4f9b\u7535\u8fde\u7eed\u6027\u3002<\/li>\n\n\n\n
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<\/figure>\n\n\n\n
\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\n
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<\/figure>\n\n\n\n
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\u3000\u30002.\u786c\u4ef6\u8bbe\u8ba1\u5dee\u5f02<\/strong><\/h3>\n\n\n\n
\n
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\u3000\u3000\u5730\u5740\u5206\u914d\u539f\u5219<\/strong>\uff1a\u4f8b\u5982G340N\u578b\u53f7\u8981\u6c42\u6309\u201c\u7ec4\u5185\u8bbe\u5907\u6700\u5927\u6570\u201d\u5206\u914d\u5730\u5740\uff0c\u82e5\u8bbe\u7f6e\u4e3a5.\u5219\u6bcf\u4e2aDTU\u6a21\u5757\u6700\u591a\u7ba1\u74065\u53f0\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30002.TCP\/UDP\u534f\u8bae\u4e0e\u7f51\u7edc\u6269\u5c55<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
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\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u90e8\u5206\u54c1\u724c\u91c7\u7528\u79c1\u6709\u901a\u4fe1\u534f\u8bae\uff0c\u5bfc\u81f4\u8de8\u54c1\u724c\u8bbe\u5907\u65e0\u6cd5\u76f4\u63a5\u517c\u5bb9\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5927\u7586O4\u56fe\u4f20\u6a21\u5757\u4ec5\u9002\u914d\u5176\u7279\u5b9a\u65e0\u4eba\u673a\u578b\u53f7(\u5982Air 3)\uff0c\u4e0e\u5176\u4ed6\u54c1\u724c\u98de\u63a7\u5b58\u5728\u63a5\u53e3\u534f\u8bae\u5dee\u5f02\u3002<\/p>\n\n\n\n
\u3000\u3000\u5927\u7586G2\u773c\u955c\u9700\u4e0eVista\u56fe\u4f20\u914d\u5bf9\uff0c\u975e\u5b98\u65b9\u6a21\u5757\u53ef\u80fd\u56e0\u534f\u8bae\u4e0d\u5339\u914d\u5bfc\u81f4\u529f\u80fd\u7f3a\u5931\u3002<\/p>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u63a5\u53e3\u5dee\u5f02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u67d0\u4e9b\u56fe\u4f20\u8bbe\u5907\u91c7\u7528\u5b9a\u5236\u5316\u63a5\u53e3(\u5982DJI\u7684TS-5\u5929\u7ebf\u63a5\u53e3)\uff0c\u9700\u4e13\u7528\u7ebf\u7f06\u6216\u8f6c\u63a5\u5668\u624d\u80fd\u8fde\u63a5\u7b2c\u4e09\u65b9\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u7535\u6e90\u4e0e\u529f\u8017\u5dee\u5f02\u53ef\u80fd\u5bfc\u81f4\u8bbe\u5907\u635f\u574f\uff0c\u4f8b\u5982\u9ad8\u529f\u7387\u53d1\u5c04\u673a\u8fde\u63a5\u4f4e\u529f\u7387\u63a5\u6536\u673a\u53ef\u80fd\u70e7\u6bc1\u7535\u8def\u3002<\/p>\n\n\n\n
\u3000\u30003.\u56fa\u4ef6\u4e0e\u8f6f\u4ef6\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000\u54c1\u724c\u8bbe\u5907\u5e38\u901a\u8fc7\u56fa\u4ef6\u66f4\u65b0\u9501\u5b9a\u517c\u5bb9\u6027\u3002\u4f8b\u5982\uff0c\u5927\u7586\u65e0\u4eba\u673a\u56fa\u4ef6\u5347\u7ea7\u540e\u53ef\u80fd\u7981\u6b62\u4f7f\u7528\u7b2c\u4e09\u65b9\u56fe\u4f20\u6a21\u5757\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u63a5\u6536\u673a\u9700\u4e13\u7528APP\u6216\u63a7\u5236\u8f6f\u4ef6(\u5982\u6167\u660e\u6377\u7ba1\u63a7\u5e73\u53f0)\uff0c\u65e0\u6cd5\u4e0e\u5f02\u54c1\u724c\u8bbe\u5907\u534f\u540c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u975e\u914d\u5957\u4f7f\u7528\u7684\u5f71\u54cd\u4e0e\u98ce\u9669<\/h2>\n\n\n\n
\u3000\u30001.\u4fe1\u53f7\u5e72\u6270\u4e0e\u7a33\u5b9a\u6027\u4e0b\u964d<\/strong><\/h3>\n\n\n\n\u3000\u3000\u975e\u914d\u5957\u8bbe\u5907\u53ef\u80fd\u56e0\u9891\u6bb5\u91cd\u53e0\u4ea7\u751f\u540c\u9891\u5e72\u6270(\u59822.4GHz\u9891\u6bb5\u7684Wi-Fi\u4e0e\u56fe\u4f20\u51b2\u7a81)\uff0c\u5bfc\u81f4\u753b\u9762\u5361\u987f\u6216\u4e2d\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u90bb\u9891\u5e72\u6270(\u59825.8GHz\u8bbe\u5907\u4e0e5.1-5.9GHz\u7cfb\u7edf)\u4f1a\u964d\u4f4e\u4fe1\u566a\u6bd4\uff0c\u589e\u52a0\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u6298\u635f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u7f29\u77ed\uff1a\u4f8b\u5982\u6807\u79f0150\u7c73\u7684\u8bbe\u5907\u5728\u975e\u914d\u5957\u4f7f\u7528\u65f6\u53ef\u80fd\u4ec5\u8fbe50\u7c73\u3002<\/p>\n\n\n\n
\u3000\u3000\u5ef6\u8fdf\u589e\u52a0\uff1a\u534f\u8bae\u8f6c\u6362\u6216\u517c\u5bb9\u6027\u9002\u914d\u53ef\u80fd\u5bfc\u81f4\u989d\u5916\u5904\u7406\u65f6\u95f4\uff0c\u5f71\u54cd\u5b9e\u65f6\u6027(\u5982FPV\u98de\u884c\u573a\u666f)\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6cd5\u5f8b\u4e0e\u5408\u89c4\u98ce\u9669<\/strong><\/h3>\n\n\n\n\u3000\u3000\u64c5\u81ea\u66f4\u6362\u6a21\u5757\u53ef\u80fd\u8fdd\u53cd\u65e0\u7ebf\u7535\u7ba1\u7406\u6cd5\u89c4(\u5982\u8d85\u51fa\u53d1\u5c04\u529f\u7387\u9650\u5236\u6216\u4f7f\u7528\u975e\u6388\u6743\u9891\u6bb5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u517c\u5bb9\u6027\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n
\u3000\u30001.\u624b\u52a8\u914d\u7f6e\u517c\u5bb9\u6a21\u5f0f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u83dc\u5355\u5207\u6362\u9891\u70b9\u4e0e\u534f\u8bae(\u5982\u718a\u732bFPV\u56fe\u4f20\u652f\u6301\u8de8\u54c1\u724c\u9891\u70b9\u5339\u914d)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u626b\u9891\u529f\u80fd\u81ea\u52a8\u907f\u5f00\u5e72\u6270\u9891\u6bb5(\u5982\u731b\u739b\u56fe\u4f20\u7684\u667a\u80fd\u626b\u9891\u6280\u672f)\u3002<\/p>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u9002\u914d\u6539\u9020<\/strong><\/h3>\n\n\n\n\u3000\u3000\u52a0\u88c5\u6ee4\u6ce2\u5668\uff1a\u4f8b\u5982Tarot 1.2GHz\u4f4e\u901a\u6ee4\u6ce2\u5668\u53ef\u51cf\u5c11\u540c\u9891\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u3000\u6539\u9020\u5929\u7ebf\uff1a\u66f4\u6362\u9ad8\u589e\u76ca\u5b9a\u5411\u5929\u7ebf\u63d0\u5347\u8de8\u54c1\u724c\u4fe1\u53f7\u63a5\u6536\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6df7\u5408\u7cfb\u7edf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e00\u53d1\u591a\u6536\u6a21\u5f0f\uff1a\u5355\u53d1\u5c04\u673a\u53ef\u8fde\u63a5\u591a\u4e2a\u54c1\u724c\u63a5\u6536\u673a(\u9700\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f)\u3002<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362\u5668\uff1a\u5982HDMI-SDI\u8f6c\u6362\u5668\u89e3\u51b3\u63a5\u53e3\u5dee\u5f02\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u914d\u5957\u4f7f\u7528\u7684\u63a8\u8350\u573a\u666f<\/h2>\n\n\n\n
\u3000\u30001.\u4e13\u4e1a\u7ea7\u5e94\u7528<\/strong>(\u5982\u5f71\u89c6\u62cd\u6444\u3001\u5b89\u9632\u76d1\u63a7)<\/h3>\n\n\n\n\u3000\u3000\u9700\u9ad8\u53ef\u9760\u6027\u4e0e\u4f4e\u5ef6\u8fdf\uff0c\u5efa\u8bae\u4f7f\u7528\u540c\u54c1\u724c\u8bbe\u5907(\u5982\u5927\u7586O3\u5929\u7a7a\u7aef\u4e0eG2\u773c\u955c)\u3002<\/p>\n\n\n\n
\u3000\u3000\u52a0\u5bc6\u4f20\u8f93\u9700\u6c42\uff1a\u914d\u5957\u8bbe\u5907\u652f\u6301AES\u52a0\u5bc6\uff0c\u9632\u6b62\u4fe1\u53f7\u52ab\u6301\u3002<\/p>\n\n\n\n
\u3000\u30002.\u957f\u8ddd\u79bb\u4e0e\u590d\u6742\u73af\u5883<\/strong><\/h3>\n\n\n\n\u3000\u3000\u914d\u5957\u7cfb\u7edf\u901a\u8fc7\u534f\u540c\u4f18\u5316(\u5982MIMO\u6280\u672f\u3001\u6ce2\u675f\u6210\u5f62)\u63d0\u5347\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6848\u4f8b\uff1a\u5b87\u4e1c\u96f7\u795e3\u53f7UHF\u56fe\u4f20\u5728\u975e\u89c6\u8ddd\u573a\u666f\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe50\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6cd5\u89c4\u4e25\u683c\u573a\u666f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u8ba4\u8bc1\u8bbe\u5907(\u5982\u7b26\u5408FCC\/CE\u6807\u51c6\u7684\u914d\u5957\u7cfb\u7edf)\u907f\u514d\u6cd5\u5f8b\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u30001.\u662f\u5426\u9700\u8981\u914d\u5957\uff1f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6280\u672f\u5c42\u9762<\/strong>\uff1a\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u5fc5\u987b\u5728\u7f16\u7801\u3001\u9891\u7387\u3001\u63a5\u53e3\u7b49\u6838\u5fc3\u53c2\u6570\u4e0a\u5339\u914d\uff0c\u5426\u5219\u65e0\u6cd5\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u54c1\u724c\u5c42\u9762<\/strong>\uff1a\u4e13\u6709\u534f\u8bae\u8bbe\u5907\u9700\u914d\u5957\uff0c\u4f46\u90e8\u5206\u5f00\u653e\u534f\u8bae\u8bbe\u5907\u53ef\u901a\u8fc7\u914d\u7f6e\u5b9e\u73b0\u8de8\u54c1\u724c\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002.\u5b9e\u9645\u5efa\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u666e\u901a\u7528\u6237\u4f18\u5148\u9009\u62e9\u914d\u5957\u8bbe\u5907\uff0c\u786e\u4fdd\u6613\u7528\u6027\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e13\u4e1a\u7528\u6237\u53ef\u5728\u6280\u672f\u53c2\u6570\u4e25\u683c\u5339\u914d\u7684\u524d\u63d0\u4e0b\u5c1d\u8bd5\u6df7\u642d\u65b9\u6848\uff0c\u4f46\u9700\u627f\u62c5\u517c\u5bb9\u6027\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u5408\u7406\u9009\u62e9\u4e0e\u914d\u7f6e\uff0c\u53ef\u5728\u517c\u5bb9\u6027\u4e0e\u6027\u80fd\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\uff0c\u4f46\u914d\u5957\u7cfb\u7edf\u4ecd\u662f\u9ad8\u8981\u6c42\u573a\u666f\u7684\u6700\u4f18\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u56fe\u4f20\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u662f\u5426\u9700\u8981\u914d\u5957\u4f7f\u7528\uff0c\u9700\u8981\u4ece\u6280\u672f\u6807\u51c6\u3001\u901a\u4fe1\u534f\u8bae\u3001\u9891\u7387\u5339\u914d\u3001\u54c1\u724c\u517c\u5bb9\u6027\u7b49\u591a\u4e2a\u7ef4\u5ea6\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6280\u672f\u539f\u7406\u4e0e\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/p>\n","protected":false},"author":1,"featured_media":101552,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001SX1278\u6a21\u5757\u7684\u6838\u5fc3\u7279\u6027<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u91c7\u7528LoRa\u00ae\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7075\u654f\u5ea6\u8fbe-148 dBm\uff0c\u53d1\u5c04\u529f\u7387\u6700\u9ad8+20 dBm\uff0c\u94fe\u8def\u9884\u7b97\u8fbe168 dB\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe5-10\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5f00\u53d1\u8005\u53ef\u5feb\u901f\u5b9e\u73b0SX1278\u6a21\u5757\u7684\u90e8\u7f72\u4e0e\u8c03\u8bd5\uff0c\u5145\u5206\u53d1\u6325\u5176\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5173\u4e8eSX1278 LoRa\u6269\u9891\u6a21\u5757\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[54,217],"class_list":["post-102960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-kptx"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102960"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions"}],"predecessor-version":[{"id":102961,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions\/102961"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102960"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102958,"date":"2025-04-18T11:46:04","date_gmt":"2025-04-18T03:46:04","guid":{"rendered":"\/\/www.viralrail.com\/?p=102958"},"modified":"2025-04-18T11:46:09","modified_gmt":"2025-04-18T03:46:09","slug":"dmkxygdm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102958.html","title":{"rendered":"DTU\u6a21\u5757\u9700\u8981\u4f9b\u7535\u5417"},"content":{"rendered":"\n
\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u5fc5\u987b\u4f9d\u8d56\u5916\u90e8\u4f9b\u7535<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u662f\u7535\u5b50\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u529f\u80fd(\u6570\u636e\u91c7\u96c6\u3001\u8f6c\u6362\u3001\u4f20\u8f93\u7b49)\u5747\u9700\u7535\u529b\u652f\u6301\u3002\u4ece\u786c\u4ef6\u7ec4\u6210\u6765\u770b\uff0cDTU\u901a\u5e38\u5305\u542b\u7535\u6e90\u6a21\u5757<\/strong>(\u5982\u6240\u8ff0)\uff0c\u8be5\u6a21\u5757\u8d1f\u8d23\u5c06\u8f93\u5165\u7535\u6e90\u8f6c\u6362\u4e3a\u8bbe\u5907\u6240\u9700\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u5e76\u4e3a\u5176\u4ed6\u7ec4\u4ef6(\u5982\u5fae\u5904\u7406\u5668\u3001\u901a\u4fe1\u6a21\u5757\u3001\u5b58\u50a8\u6a21\u5757\u7b49)\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u4f55\u79cd\u5e94\u7528\u573a\u666f\uff0cDTU\u5747\u9700\u63a5\u5165\u5916\u90e8\u7535\u6e90\u6216\u5185\u7f6e\u7535\u6c60\u7cfb\u7edf\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
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\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
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\n
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<\/figure>\n\n\n\n
\n
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- \u3000\u3000\u62a5\u8b66\u751f\u6210<\/strong>\uff1a\u76d1\u63a7\u5e73\u53f0\u6839\u636e\u9884\u8bbe\u89c4\u5219(\u9608\u503c\u3001\u884c\u4e3a\u6a21\u5f0f)\u751f\u6210\u62a5\u8b66\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
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- \u3000\u3000I\/O\u63a5\u53e3<\/strong>\uff1a\u7528\u4e8e\u8fde\u63a5\u6570\u5b57\u91cf\u6216\u6a21\u62df\u91cf\u4f20\u611f\u5668\uff0c\u6570\u91cf\u7531\u6a21\u5757\u8bbe\u8ba1\u51b3\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u8bbe\u8ba1\u5dee\u5f02<\/strong><\/h3>\n\n\n\n
\n
- \u3000\u3000\u5355\u4e32\u53e3DTU<\/strong>\uff1a\u4ec5\u652f\u6301\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u573a\u666f\u3002<\/li>\n\n\n\n
- \u3000\u3000\u591a\u4e32\u53e3DTU<\/strong>\uff1a\u4f8b\u5982\u67d0\u4e9b\u578b\u53f7\u652f\u63014\u4e2a\u72ec\u7acb\u4e32\u53e3\uff0c\u53ef\u540c\u65f6\u8fde\u63a54\u53f0\u8bbe\u5907\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5d4c\u5165\u5f0fDTU<\/strong>\uff1a\u53ef\u96c6\u6210\u5230\u8bbe\u5907\u5185\u90e8\uff0c\u901a\u8fc7\u4e3b\u677f\u6269\u5c55\u63a5\u53e3\u6570\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u901a\u4fe1\u534f\u8bae\u4e0e\u5730\u5740\u5206\u914d\u5bf9\u8bbe\u5907\u6570\u91cf\u7684\u5f71\u54cd<\/h2>\n\n\n\n
\u3000\u30001.Modbus\u534f\u8bae\u7684\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6bcf\u4e2a\u4e32\u53e3\u5728Modbus RTU\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u6301247\u4e2a\u4ece\u673a\u8bbe\u5907(\u7406\u8bba\u503c)\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u53d7DTU\u5904\u7406\u80fd\u529b\u3001\u901a\u4fe1\u901f\u7387\u548c\u6570\u636e\u91cf\u9650\u5236\uff0c\u901a\u5e38\u5efa\u8bae\u4e0d\u8d85\u8fc732\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u5730\u5740\u5206\u914d\u539f\u5219<\/strong>\uff1a\u4f8b\u5982G340N\u578b\u53f7\u8981\u6c42\u6309\u201c\u7ec4\u5185\u8bbe\u5907\u6700\u5927\u6570\u201d\u5206\u914d\u5730\u5740\uff0c\u82e5\u8bbe\u7f6e\u4e3a5.\u5219\u6bcf\u4e2aDTU\u6a21\u5757\u6700\u591a\u7ba1\u74065\u53f0\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30002.TCP\/UDP\u534f\u8bae\u4e0e\u7f51\u7edc\u6269\u5c55<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
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\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
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\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
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\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
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\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5f00\u53d1\u8005\u53ef\u5feb\u901f\u5b9e\u73b0SX1278\u6a21\u5757\u7684\u90e8\u7f72\u4e0e\u8c03\u8bd5\uff0c\u5145\u5206\u53d1\u6325\u5176\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5173\u4e8eSX1278 LoRa\u6269\u9891\u6a21\u5757\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[54,217],"class_list":["post-102960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-kptx"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102960"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions"}],"predecessor-version":[{"id":102961,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions\/102961"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102960"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102958,"date":"2025-04-18T11:46:04","date_gmt":"2025-04-18T03:46:04","guid":{"rendered":"\/\/www.viralrail.com\/?p=102958"},"modified":"2025-04-18T11:46:09","modified_gmt":"2025-04-18T03:46:09","slug":"dmkxygdm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102958.html","title":{"rendered":"DTU\u6a21\u5757\u9700\u8981\u4f9b\u7535\u5417"},"content":{"rendered":"\n
\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u5fc5\u987b\u4f9d\u8d56\u5916\u90e8\u4f9b\u7535<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u662f\u7535\u5b50\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u529f\u80fd(\u6570\u636e\u91c7\u96c6\u3001\u8f6c\u6362\u3001\u4f20\u8f93\u7b49)\u5747\u9700\u7535\u529b\u652f\u6301\u3002\u4ece\u786c\u4ef6\u7ec4\u6210\u6765\u770b\uff0cDTU\u901a\u5e38\u5305\u542b\u7535\u6e90\u6a21\u5757<\/strong>(\u5982\u6240\u8ff0)\uff0c\u8be5\u6a21\u5757\u8d1f\u8d23\u5c06\u8f93\u5165\u7535\u6e90\u8f6c\u6362\u4e3a\u8bbe\u5907\u6240\u9700\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u5e76\u4e3a\u5176\u4ed6\u7ec4\u4ef6(\u5982\u5fae\u5904\u7406\u5668\u3001\u901a\u4fe1\u6a21\u5757\u3001\u5b58\u50a8\u6a21\u5757\u7b49)\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u4f55\u79cd\u5e94\u7528\u573a\u666f\uff0cDTU\u5747\u9700\u63a5\u5165\u5916\u90e8\u7535\u6e90\u6216\u5185\u7f6e\u7535\u6c60\u7cfb\u7edf\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
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\n
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<\/figure>\n\n\n\n
\n
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\u3000\u3000\u519c\u7530\u6c14\u8c61\u7ad9<\/strong>\uff1aDTU\u4f20\u8f93\u98ce\u901f\u3001\u964d\u96e8\u91cf\u6570\u636e\uff0c\u7ed3\u5408\u52a8\u6001\u9608\u503c\u9884\u6d4b\u707e\u5bb3(\u5982\u66b4\u96e8)\uff0c\u63d0\u524d\u89e6\u53d1\u6392\u6c34\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30004.\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u751f\u4ea7\u7ebf\u6545\u969c\u9884\u8b66<\/strong>\uff1aDTU\u4e0ePLC\u8054\u52a8\uff0c\u5b9e\u65f6\u76d1\u6d4b\u8bbe\u5907\u632f\u52a8\u9891\u7387\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u505c\u673a\u5e76\u63a8\u9001\u7ef4\u4fee\u5de5\u5355\u3002<\/p>\n\n\n\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u5b9e\u9645\u6848\u4f8b\u89e3\u6790<\/h2>\n\n\n\n\u3000\u3000\u6848\u4f8b1\uff1a\u57ce\u5e02\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cfb\u7edf\u67b6\u6784<\/strong>\uff1a\u6bcf\u4e2a\u4e95\u5185\u5b89\u88c5\u538b\u529b\u4f20\u611f\u5668+DTU\uff0c\u6570\u636e\u901a\u8fc7GPRS\u4e0a\u4f20\u81f3\u76d1\u63a7\u4e2d\u5fc3\u3002<\/p>\n\n\n\n
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\u3000\u3000\u6548\u76ca<\/strong>\uff1a\u6545\u969c\u5904\u7406\u6548\u7387\u63d0\u534760%\uff0c\u907f\u514d\u706b\u707e\u98ce\u9669\u3002<\/p>\n\n\n\n
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\n
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- \u3000\u30005G\u4e0e\u4f4e\u529f\u8017\u878d\u5408<\/strong>\uff1a\u652f\u63015G\u9ad8\u901f\u4f20\u8f93\u4e0eNB-IoT\u957f\u7eed\u822a\uff0c\u9002\u7528\u4e8e\u9ad8\u5b9e\u65f6\u6027\u573a\u666f(\u5982\u65e0\u4eba\u673a\u5de1\u68c0)\u3002<\/li>\n\n\n\n
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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,433],"class_list":["post-102954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-dtumodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102954"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions"}],"predecessor-version":[{"id":102955,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions\/102955"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102954"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102951,"date":"2025-04-17T16:13:23","date_gmt":"2025-04-17T08:13:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=102951"},"modified":"2025-04-17T16:13:27","modified_gmt":"2025-04-17T08:13:27","slug":"ldssm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102951.html","title":{"rendered":"LORa DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
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\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
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\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
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\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
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\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
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\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
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\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
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\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
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\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5f00\u53d1\u8005\u53ef\u5feb\u901f\u5b9e\u73b0SX1278\u6a21\u5757\u7684\u90e8\u7f72\u4e0e\u8c03\u8bd5\uff0c\u5145\u5206\u53d1\u6325\u5176\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5173\u4e8eSX1278 LoRa\u6269\u9891\u6a21\u5757\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[54,217],"class_list":["post-102960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-kptx"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102960"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions"}],"predecessor-version":[{"id":102961,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions\/102961"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102960"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102958,"date":"2025-04-18T11:46:04","date_gmt":"2025-04-18T03:46:04","guid":{"rendered":"\/\/www.viralrail.com\/?p=102958"},"modified":"2025-04-18T11:46:09","modified_gmt":"2025-04-18T03:46:09","slug":"dmkxygdm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102958.html","title":{"rendered":"DTU\u6a21\u5757\u9700\u8981\u4f9b\u7535\u5417"},"content":{"rendered":"\n
\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u5fc5\u987b\u4f9d\u8d56\u5916\u90e8\u4f9b\u7535<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u662f\u7535\u5b50\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u529f\u80fd(\u6570\u636e\u91c7\u96c6\u3001\u8f6c\u6362\u3001\u4f20\u8f93\u7b49)\u5747\u9700\u7535\u529b\u652f\u6301\u3002\u4ece\u786c\u4ef6\u7ec4\u6210\u6765\u770b\uff0cDTU\u901a\u5e38\u5305\u542b\u7535\u6e90\u6a21\u5757<\/strong>(\u5982\u6240\u8ff0)\uff0c\u8be5\u6a21\u5757\u8d1f\u8d23\u5c06\u8f93\u5165\u7535\u6e90\u8f6c\u6362\u4e3a\u8bbe\u5907\u6240\u9700\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u5e76\u4e3a\u5176\u4ed6\u7ec4\u4ef6(\u5982\u5fae\u5904\u7406\u5668\u3001\u901a\u4fe1\u6a21\u5757\u3001\u5b58\u50a8\u6a21\u5757\u7b49)\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u4f55\u79cd\u5e94\u7528\u573a\u666f\uff0cDTU\u5747\u9700\u63a5\u5165\u5916\u90e8\u7535\u6e90\u6216\u5185\u7f6e\u7535\u6c60\u7cfb\u7edf\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
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\n
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<\/figure>\n\n\n\n
\n
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\u3000\u3000\u519c\u7530\u6c14\u8c61\u7ad9<\/strong>\uff1aDTU\u4f20\u8f93\u98ce\u901f\u3001\u964d\u96e8\u91cf\u6570\u636e\uff0c\u7ed3\u5408\u52a8\u6001\u9608\u503c\u9884\u6d4b\u707e\u5bb3(\u5982\u66b4\u96e8)\uff0c\u63d0\u524d\u89e6\u53d1\u6392\u6c34\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30004.\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u751f\u4ea7\u7ebf\u6545\u969c\u9884\u8b66<\/strong>\uff1aDTU\u4e0ePLC\u8054\u52a8\uff0c\u5b9e\u65f6\u76d1\u6d4b\u8bbe\u5907\u632f\u52a8\u9891\u7387\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u505c\u673a\u5e76\u63a8\u9001\u7ef4\u4fee\u5de5\u5355\u3002<\/p>\n\n\n\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u5b9e\u9645\u6848\u4f8b\u89e3\u6790<\/h2>\n\n\n\n\u3000\u3000\u6848\u4f8b1\uff1a\u57ce\u5e02\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cfb\u7edf\u67b6\u6784<\/strong>\uff1a\u6bcf\u4e2a\u4e95\u5185\u5b89\u88c5\u538b\u529b\u4f20\u611f\u5668+DTU\uff0c\u6570\u636e\u901a\u8fc7GPRS\u4e0a\u4f20\u81f3\u76d1\u63a7\u4e2d\u5fc3\u3002<\/p>\n\n\n\n
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\u3000\u3000\u6548\u76ca<\/strong>\uff1a\u6545\u969c\u5904\u7406\u6548\u7387\u63d0\u534760%\uff0c\u907f\u514d\u706b\u707e\u98ce\u9669\u3002<\/p>\n\n\n\n
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\n
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- \u3000\u30005G\u4e0e\u4f4e\u529f\u8017\u878d\u5408<\/strong>\uff1a\u652f\u63015G\u9ad8\u901f\u4f20\u8f93\u4e0eNB-IoT\u957f\u7eed\u822a\uff0c\u9002\u7528\u4e8e\u9ad8\u5b9e\u65f6\u6027\u573a\u666f(\u5982\u65e0\u4eba\u673a\u5de1\u68c0)\u3002<\/li>\n\n\n\n
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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,433],"class_list":["post-102954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-dtumodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102954"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions"}],"predecessor-version":[{"id":102955,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions\/102955"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102954"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102951,"date":"2025-04-17T16:13:23","date_gmt":"2025-04-17T08:13:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=102951"},"modified":"2025-04-17T16:13:27","modified_gmt":"2025-04-17T08:13:27","slug":"ldssm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102951.html","title":{"rendered":"LORa DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
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\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
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\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
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\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
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\u3000\u30002.\u957f\u8ddd\u79bb\u4e0e\u590d\u6742\u73af\u5883<\/strong><\/h3>\n\n\n\n\u3000\u3000\u914d\u5957\u7cfb\u7edf\u901a\u8fc7\u534f\u540c\u4f18\u5316(\u5982MIMO\u6280\u672f\u3001\u6ce2\u675f\u6210\u5f62)\u63d0\u5347\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6848\u4f8b\uff1a\u5b87\u4e1c\u96f7\u795e3\u53f7UHF\u56fe\u4f20\u5728\u975e\u89c6\u8ddd\u573a\u666f\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe50\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6cd5\u89c4\u4e25\u683c\u573a\u666f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u8ba4\u8bc1\u8bbe\u5907(\u5982\u7b26\u5408FCC\/CE\u6807\u51c6\u7684\u914d\u5957\u7cfb\u7edf)\u907f\u514d\u6cd5\u5f8b\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u30001.\u662f\u5426\u9700\u8981\u914d\u5957\uff1f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6280\u672f\u5c42\u9762<\/strong>\uff1a\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u5fc5\u987b\u5728\u7f16\u7801\u3001\u9891\u7387\u3001\u63a5\u53e3\u7b49\u6838\u5fc3\u53c2\u6570\u4e0a\u5339\u914d\uff0c\u5426\u5219\u65e0\u6cd5\u901a\u4fe1\u3002<\/p>\n\n\n\n
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\u3000\u30002.\u5b9e\u9645\u5efa\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u666e\u901a\u7528\u6237\u4f18\u5148\u9009\u62e9\u914d\u5957\u8bbe\u5907\uff0c\u786e\u4fdd\u6613\u7528\u6027\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
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\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001SX1278\u6a21\u5757\u7684\u6838\u5fc3\u7279\u6027<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u91c7\u7528LoRa\u00ae\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7075\u654f\u5ea6\u8fbe-148 dBm\uff0c\u53d1\u5c04\u529f\u7387\u6700\u9ad8+20 dBm\uff0c\u94fe\u8def\u9884\u7b97\u8fbe168 dB\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe5-10\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5f00\u53d1\u8005\u53ef\u5feb\u901f\u5b9e\u73b0SX1278\u6a21\u5757\u7684\u90e8\u7f72\u4e0e\u8c03\u8bd5\uff0c\u5145\u5206\u53d1\u6325\u5176\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5173\u4e8eSX1278 LoRa\u6269\u9891\u6a21\u5757\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[54,217],"class_list":["post-102960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-kptx"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102960"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions"}],"predecessor-version":[{"id":102961,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions\/102961"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102960"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102958,"date":"2025-04-18T11:46:04","date_gmt":"2025-04-18T03:46:04","guid":{"rendered":"\/\/www.viralrail.com\/?p=102958"},"modified":"2025-04-18T11:46:09","modified_gmt":"2025-04-18T03:46:09","slug":"dmkxygdm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102958.html","title":{"rendered":"DTU\u6a21\u5757\u9700\u8981\u4f9b\u7535\u5417"},"content":{"rendered":"\n
\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u5fc5\u987b\u4f9d\u8d56\u5916\u90e8\u4f9b\u7535<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u662f\u7535\u5b50\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u529f\u80fd(\u6570\u636e\u91c7\u96c6\u3001\u8f6c\u6362\u3001\u4f20\u8f93\u7b49)\u5747\u9700\u7535\u529b\u652f\u6301\u3002\u4ece\u786c\u4ef6\u7ec4\u6210\u6765\u770b\uff0cDTU\u901a\u5e38\u5305\u542b\u7535\u6e90\u6a21\u5757<\/strong>(\u5982\u6240\u8ff0)\uff0c\u8be5\u6a21\u5757\u8d1f\u8d23\u5c06\u8f93\u5165\u7535\u6e90\u8f6c\u6362\u4e3a\u8bbe\u5907\u6240\u9700\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u5e76\u4e3a\u5176\u4ed6\u7ec4\u4ef6(\u5982\u5fae\u5904\u7406\u5668\u3001\u901a\u4fe1\u6a21\u5757\u3001\u5b58\u50a8\u6a21\u5757\u7b49)\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u4f55\u79cd\u5e94\u7528\u573a\u666f\uff0cDTU\u5747\u9700\u63a5\u5165\u5916\u90e8\u7535\u6e90\u6216\u5185\u7f6e\u7535\u6c60\u7cfb\u7edf\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
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\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30005. \u521b\u65b0\u4f9b\u7535\u65b9\u6848<\/strong><\/h3>\n\n\n\n\u3000\u3000\u96c6\u6210\u5f0f\u4f9b\u7535<\/strong>\uff1a\u5982\u4e13\u5229CN 119298611 A\u63d0\u51fa\u7684\u65b9\u6848\uff0c\u901a\u8fc7\u9006\u53d8\u5668\u4e3b\u677f\u76f4\u63a5\u4e3a\u5fae\u578bDTU\u4f9b\u7535\uff0c\u7b80\u5316\u4e86\u7535\u6e90\u8fde\u63a5\u6d41\u7a0b\uff0c\u63d0\u5347\u4e86\u6237\u5916\u5b89\u88c5\u4fbf\u5229\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u4f9b\u7535\u8bbe\u8ba1\u7684\u6838\u5fc3\u8981\u6c42<\/strong><\/h2>\n\n\n\n
\n
- \u3000\u3000\u7a33\u5b9a\u6027<\/strong>\uff1aDTU\u7684\u7535\u6e90\u9700\u63d0\u4f9b\u7a33\u5b9a\u7535\u538b\u548c\u7535\u6d41\uff0c\u907f\u514d\u56e0\u7535\u538b\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u4e2d\u65ad\u6216\u786c\u4ef6\u635f\u574f(\u5982\u5f3a\u8c03\u76f4\u6d41\u4f9b\u7535\u7684\u7eb9\u6ce2\u63a7\u5236)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5197\u4f59\u6027<\/strong>\uff1a\u5173\u952e\u573a\u666f(\u5982\u7535\u529b\u7cfb\u7edf)\u9700\u91c7\u7528\u53cc\u7535\u6e90\u6216\u5907\u7528\u7535\u6c60\u8bbe\u8ba1\uff0c\u786e\u4fdd\u4f9b\u7535\u8fde\u7eed\u6027\u3002<\/li>\n\n\n\n
- \u3000\u3000\u9002\u5e94\u6027<\/strong>\uff1a\u9700\u517c\u5bb9\u5bbd\u7535\u538b\u8f93\u5165\u8303\u56f4(\u59827-32V)\uff0c\u5e76\u5177\u5907\u9632\u96f7\u51fb\u3001\u6297\u6d6a\u6d8c\u7b49\u4fdd\u62a4\u529f\u80fd\uff0c\u4ee5\u5e94\u5bf9\u590d\u6742\u5de5\u4e1a\u73af\u5883\u3002<\/li>\n\n\n\n
- \u3000\u3000\u80fd\u6548\u7ba1\u7406<\/strong>\uff1a\u4f4e\u529f\u8017\u8bbe\u8ba1\u53ef\u5ef6\u957f\u7535\u6c60\u5bff\u547d\uff0c\u4f8b\u5982\u901a\u8fc7\u4f11\u7720\u6a21\u5f0f\u964d\u4f4e\u5f85\u673a\u529f\u8017\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u56db\u3001\u4f9b\u7535\u53c2\u6570\u793a\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000\u4ee5\u67d0\u5de5\u4e1a\u7ea7DTU(\u53a6\u95e8\u624d\u8302CM510-76F)\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n
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\u3000\u3000
DTU<\/a><\/strong>(Data Transfer Unit\uff0c\u6570\u636e\u4f20\u8f93\u5355\u5143)\u4f5c\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u6838\u5fc3\u8bbe\u5907\uff0c\u5728\u8fdc\u7a0b\u76d1\u63a7\u4e0e\u62a5\u8b66\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u7cfb\u7edf\u67b6\u6784\u3001\u5e94\u7528\u573a\u666f\u53ca\u5b9e\u9645\u6848\u4f8b\u7b49\u7ef4\u5ea6\u8fdb\u884c\u8be6\u7ec6\u9610\u8ff0\uff1a<\/p>\n\n\n\n\u3000\u3000\u4e00\u3001DTU\u5728\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u529f\u80fd<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u3000\u5f02\u5e38\u68c0\u6d4b<\/strong>\uff1a\u901a\u8fc7Z\u5206\u6570\u3001ARIMA\u6a21\u578b\u7b49\u7edf\u8ba1\u65b9\u6cd5\u8bc6\u522b\u6570\u636e\u6ce2\u52a8\u5f02\u5e38\u3002<\/p>\n\n\n\n
\u3000\u30003.\u5b89\u5168\u4e0e\u7a33\u5b9a\u6027\u4fdd\u969c<\/strong><\/h3>\n\n\n\n\u3000\u3000DTU\u652f\u6301TLS\/SSL\u52a0\u5bc6\u4f20\u8f93\u3001\u8eab\u4efd\u9a8c\u8bc1\u53ca\u5197\u4f59\u5907\u4efd\uff0c\u9632\u6b62\u6570\u636e\u7be1\u6539\u6216\u4e22\u5931\u3002\u5185\u7f6e\u7535\u6e90\u7ba1\u7406\u6a21\u5757\u53ef\u5728\u65ad\u7535\u65f6\u7ef4\u6301\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u7684\u57fa\u672c\u6d41\u7a0b<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\n
- \u3000\u3000\u6570\u636e\u91c7\u96c6<\/strong>\uff1aDTU\u4ece\u4f20\u611f\u5668\u6216PLC\u83b7\u53d6\u8bbe\u5907\u72b6\u6001\u6570\u636e\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u751f\u6210<\/strong>\uff1a\u76d1\u63a7\u5e73\u53f0\u6839\u636e\u9884\u8bbe\u89c4\u5219(\u9608\u503c\u3001\u884c\u4e3a\u6a21\u5f0f)\u751f\u6210\u62a5\u8b66\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u901a\u77e5<\/strong>\uff1a\u901a\u8fc7\u77ed\u4fe1\u3001\u90ae\u4ef6\u3001\u5f39\u7a97\u7b49\u65b9\u5f0f\u5206\u7ea7\u63a8\u9001\u81f3\u76f8\u5173\u4eba\u5458\u3002<\/li>\n\n\n\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\n
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<\/figure>\n\n\n\n
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DTU\u6a21\u5757<\/a>\u7684\u7269\u7406\u63a5\u53e3\u7c7b\u578b\u76f4\u63a5\u5f71\u54cd\u5176\u8fde\u63a5\u8bbe\u5907\u7684\u6570\u91cf\u3002\u6839\u636e\u8d44\u6599\u663e\u793a\uff0cDTU\u5e38\u89c1\u7684\u63a5\u53e3\u5305\u62ec\uff1a<\/p>\n\n\n\n
\n
- \u3000\u3000\u4e32\u53e3\u63a5\u53e3<\/strong>\uff1aRS232\u3001RS485\u3001RS422\u7b49\uff0c\u6bcf\u4e2a\u4e32\u53e3\u901a\u5e38\u53ea\u80fd\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907(\u70b9\u5bf9\u70b9\u901a\u4fe1)\u3002\u4f46\u901a\u8fc7\u4e32\u53e3\u6269\u5c55\u5668\u6216\u603b\u7ebf\u62d3\u6251(\u5982RS485\u7684\u591a\u8bbe\u5907\u5e76\u8054)\uff0c\u5355\u4e2a\u4e32\u53e3\u7406\u8bba\u4e0a\u53ef\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u4f46\u9700\u6ce8\u610f\u5730\u5740\u5206\u914d\u548c\u901a\u4fe1\u51b2\u7a81\u95ee\u9898\u3002<\/li>\n\n\n\n
- \u3000\u3000\u4ee5\u592a\u7f51\u63a5\u53e3<\/strong>\uff1a\u652f\u6301\u901a\u8fc7\u4ea4\u6362\u673a\u6216\u8def\u7531\u5668\u6269\u5c55\u8fde\u63a5\u66f4\u591a\u8bbe\u5907\uff0c\u53d7\u9650\u4e8e\u7f51\u7edc\u5e26\u5bbd\u548c\u6a21\u5757\u5904\u7406\u80fd\u529b\u3002<\/li>\n\n\n\n
- \u3000\u3000I\/O\u63a5\u53e3<\/strong>\uff1a\u7528\u4e8e\u8fde\u63a5\u6570\u5b57\u91cf\u6216\u6a21\u62df\u91cf\u4f20\u611f\u5668\uff0c\u6570\u91cf\u7531\u6a21\u5757\u8bbe\u8ba1\u51b3\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u8bbe\u8ba1\u5dee\u5f02<\/strong><\/h3>\n\n\n\n
\n
- \u3000\u3000\u5355\u4e32\u53e3DTU<\/strong>\uff1a\u4ec5\u652f\u6301\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u573a\u666f\u3002<\/li>\n\n\n\n
- \u3000\u3000\u591a\u4e32\u53e3DTU<\/strong>\uff1a\u4f8b\u5982\u67d0\u4e9b\u578b\u53f7\u652f\u63014\u4e2a\u72ec\u7acb\u4e32\u53e3\uff0c\u53ef\u540c\u65f6\u8fde\u63a54\u53f0\u8bbe\u5907\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5d4c\u5165\u5f0fDTU<\/strong>\uff1a\u53ef\u96c6\u6210\u5230\u8bbe\u5907\u5185\u90e8\uff0c\u901a\u8fc7\u4e3b\u677f\u6269\u5c55\u63a5\u53e3\u6570\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u901a\u4fe1\u534f\u8bae\u4e0e\u5730\u5740\u5206\u914d\u5bf9\u8bbe\u5907\u6570\u91cf\u7684\u5f71\u54cd<\/h2>\n\n\n\n
\u3000\u30001.Modbus\u534f\u8bae\u7684\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6bcf\u4e2a\u4e32\u53e3\u5728Modbus RTU\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u6301247\u4e2a\u4ece\u673a\u8bbe\u5907(\u7406\u8bba\u503c)\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u53d7DTU\u5904\u7406\u80fd\u529b\u3001\u901a\u4fe1\u901f\u7387\u548c\u6570\u636e\u91cf\u9650\u5236\uff0c\u901a\u5e38\u5efa\u8bae\u4e0d\u8d85\u8fc732\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u5730\u5740\u5206\u914d\u539f\u5219<\/strong>\uff1a\u4f8b\u5982G340N\u578b\u53f7\u8981\u6c42\u6309\u201c\u7ec4\u5185\u8bbe\u5907\u6700\u5927\u6570\u201d\u5206\u914d\u5730\u5740\uff0c\u82e5\u8bbe\u7f6e\u4e3a5.\u5219\u6bcf\u4e2aDTU\u6a21\u5757\u6700\u591a\u7ba1\u74065\u53f0\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30002.TCP\/UDP\u534f\u8bae\u4e0e\u7f51\u7edc\u6269\u5c55<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
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\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
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\u3000\u30003.\u6cd5\u89c4\u4e25\u683c\u573a\u666f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u8ba4\u8bc1\u8bbe\u5907(\u5982\u7b26\u5408FCC\/CE\u6807\u51c6\u7684\u914d\u5957\u7cfb\u7edf)\u907f\u514d\u6cd5\u5f8b\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u30001.\u662f\u5426\u9700\u8981\u914d\u5957\uff1f<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6280\u672f\u5c42\u9762<\/strong>\uff1a\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u5fc5\u987b\u5728\u7f16\u7801\u3001\u9891\u7387\u3001\u63a5\u53e3\u7b49\u6838\u5fc3\u53c2\u6570\u4e0a\u5339\u914d\uff0c\u5426\u5219\u65e0\u6cd5\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u54c1\u724c\u5c42\u9762<\/strong>\uff1a\u4e13\u6709\u534f\u8bae\u8bbe\u5907\u9700\u914d\u5957\uff0c\u4f46\u90e8\u5206\u5f00\u653e\u534f\u8bae\u8bbe\u5907\u53ef\u901a\u8fc7\u914d\u7f6e\u5b9e\u73b0\u8de8\u54c1\u724c\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002.\u5b9e\u9645\u5efa\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u666e\u901a\u7528\u6237\u4f18\u5148\u9009\u62e9\u914d\u5957\u8bbe\u5907\uff0c\u786e\u4fdd\u6613\u7528\u6027\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e13\u4e1a\u7528\u6237\u53ef\u5728\u6280\u672f\u53c2\u6570\u4e25\u683c\u5339\u914d\u7684\u524d\u63d0\u4e0b\u5c1d\u8bd5\u6df7\u642d\u65b9\u6848\uff0c\u4f46\u9700\u627f\u62c5\u517c\u5bb9\u6027\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u5408\u7406\u9009\u62e9\u4e0e\u914d\u7f6e\uff0c\u53ef\u5728\u517c\u5bb9\u6027\u4e0e\u6027\u80fd\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\uff0c\u4f46\u914d\u5957\u7cfb\u7edf\u4ecd\u662f\u9ad8\u8981\u6c42\u573a\u666f\u7684\u6700\u4f18\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u56fe\u4f20\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u662f\u5426\u9700\u8981\u914d\u5957\u4f7f\u7528\uff0c\u9700\u8981\u4ece\u6280\u672f\u6807\u51c6\u3001\u901a\u4fe1\u534f\u8bae\u3001\u9891\u7387\u5339\u914d\u3001\u54c1\u724c\u517c\u5bb9\u6027\u7b49\u591a\u4e2a\u7ef4\u5ea6\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6280\u672f\u539f\u7406\u4e0e\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/p>\n","protected":false},"author":1,"featured_media":101552,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001SX1278\u6a21\u5757\u7684\u6838\u5fc3\u7279\u6027<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u91c7\u7528LoRa\u00ae\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7075\u654f\u5ea6\u8fbe-148 dBm\uff0c\u53d1\u5c04\u529f\u7387\u6700\u9ad8+20 dBm\uff0c\u94fe\u8def\u9884\u7b97\u8fbe168 dB\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe5-10\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5f00\u53d1\u8005\u53ef\u5feb\u901f\u5b9e\u73b0SX1278\u6a21\u5757\u7684\u90e8\u7f72\u4e0e\u8c03\u8bd5\uff0c\u5145\u5206\u53d1\u6325\u5176\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u5fc5\u987b\u4f9d\u8d56\u5916\u90e8\u4f9b\u7535<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u662f\u7535\u5b50\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u529f\u80fd(\u6570\u636e\u91c7\u96c6\u3001\u8f6c\u6362\u3001\u4f20\u8f93\u7b49)\u5747\u9700\u7535\u529b\u652f\u6301\u3002\u4ece\u786c\u4ef6\u7ec4\u6210\u6765\u770b\uff0cDTU\u901a\u5e38\u5305\u542b\u7535\u6e90\u6a21\u5757<\/strong>(\u5982\u6240\u8ff0)\uff0c\u8be5\u6a21\u5757\u8d1f\u8d23\u5c06\u8f93\u5165\u7535\u6e90\u8f6c\u6362\u4e3a\u8bbe\u5907\u6240\u9700\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u5e76\u4e3a\u5176\u4ed6\u7ec4\u4ef6(\u5982\u5fae\u5904\u7406\u5668\u3001\u901a\u4fe1\u6a21\u5757\u3001\u5b58\u50a8\u6a21\u5757\u7b49)\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u4f55\u79cd\u5e94\u7528\u573a\u666f\uff0cDTU\u5747\u9700\u63a5\u5165\u5916\u90e8\u7535\u6e90\u6216\u5185\u7f6e\u7535\u6c60\u7cfb\u7edf\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
\u3000\u3000\u5907\u7528\u7535\u6c60<\/strong>\uff1a\u4f5c\u4e3a\u4e3b\u7535\u6e90\u7684\u8865\u5145\uff0c\u53ef\u5728\u65ad\u7535\u65f6\u63d0\u4f9b24\u5c0f\u65f6\u4ee5\u4e0a\u7684\u7eed\u822a\u80fd\u529b\uff0c\u5e76\u914d\u5907\u4f4e\u7535\u538b\u544a\u8b66\u548c\u4fdd\u62a4\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30005. \u521b\u65b0\u4f9b\u7535\u65b9\u6848<\/strong><\/h3>\n\n\n\n\u3000\u3000\u96c6\u6210\u5f0f\u4f9b\u7535<\/strong>\uff1a\u5982\u4e13\u5229CN 119298611 A\u63d0\u51fa\u7684\u65b9\u6848\uff0c\u901a\u8fc7\u9006\u53d8\u5668\u4e3b\u677f\u76f4\u63a5\u4e3a\u5fae\u578bDTU\u4f9b\u7535\uff0c\u7b80\u5316\u4e86\u7535\u6e90\u8fde\u63a5\u6d41\u7a0b\uff0c\u63d0\u5347\u4e86\u6237\u5916\u5b89\u88c5\u4fbf\u5229\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u4f9b\u7535\u8bbe\u8ba1\u7684\u6838\u5fc3\u8981\u6c42<\/strong><\/h2>\n\n\n\n
\n
- \u3000\u3000\u7a33\u5b9a\u6027<\/strong>\uff1aDTU\u7684\u7535\u6e90\u9700\u63d0\u4f9b\u7a33\u5b9a\u7535\u538b\u548c\u7535\u6d41\uff0c\u907f\u514d\u56e0\u7535\u538b\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u4e2d\u65ad\u6216\u786c\u4ef6\u635f\u574f(\u5982\u5f3a\u8c03\u76f4\u6d41\u4f9b\u7535\u7684\u7eb9\u6ce2\u63a7\u5236)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5197\u4f59\u6027<\/strong>\uff1a\u5173\u952e\u573a\u666f(\u5982\u7535\u529b\u7cfb\u7edf)\u9700\u91c7\u7528\u53cc\u7535\u6e90\u6216\u5907\u7528\u7535\u6c60\u8bbe\u8ba1\uff0c\u786e\u4fdd\u4f9b\u7535\u8fde\u7eed\u6027\u3002<\/li>\n\n\n\n
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<\/figure>\n\n\n\n
\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\n
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<\/figure>\n\n\n\n
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\u3000\u30002.\u786c\u4ef6\u8bbe\u8ba1\u5dee\u5f02<\/strong><\/h3>\n\n\n\n
\n
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\u3000\u3000\u5730\u5740\u5206\u914d\u539f\u5219<\/strong>\uff1a\u4f8b\u5982G340N\u578b\u53f7\u8981\u6c42\u6309\u201c\u7ec4\u5185\u8bbe\u5907\u6700\u5927\u6570\u201d\u5206\u914d\u5730\u5740\uff0c\u82e5\u8bbe\u7f6e\u4e3a5.\u5219\u6bcf\u4e2aDTU\u6a21\u5757\u6700\u591a\u7ba1\u74065\u53f0\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30002.TCP\/UDP\u534f\u8bae\u4e0e\u7f51\u7edc\u6269\u5c55<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
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\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
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\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001SX1278\u6a21\u5757\u7684\u6838\u5fc3\u7279\u6027<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u91c7\u7528LoRa\u00ae\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7075\u654f\u5ea6\u8fbe-148 dBm\uff0c\u53d1\u5c04\u529f\u7387\u6700\u9ad8+20 dBm\uff0c\u94fe\u8def\u9884\u7b97\u8fbe168 dB\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe5-10\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
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\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u6280\u672f\u5c42\u9762<\/strong>\uff1a\u53d1\u5c04\u673a\u4e0e\u63a5\u6536\u673a\u5fc5\u987b\u5728\u7f16\u7801\u3001\u9891\u7387\u3001\u63a5\u53e3\u7b49\u6838\u5fc3\u53c2\u6570\u4e0a\u5339\u914d\uff0c\u5426\u5219\u65e0\u6cd5\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u54c1\u724c\u5c42\u9762<\/strong>\uff1a\u4e13\u6709\u534f\u8bae\u8bbe\u5907\u9700\u914d\u5957\uff0c\u4f46\u90e8\u5206\u5f00\u653e\u534f\u8bae\u8bbe\u5907\u53ef\u901a\u8fc7\u914d\u7f6e\u5b9e\u73b0\u8de8\u54c1\u724c\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002.\u5b9e\u9645\u5efa\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u666e\u901a\u7528\u6237\u4f18\u5148\u9009\u62e9\u914d\u5957\u8bbe\u5907\uff0c\u786e\u4fdd\u6613\u7528\u6027\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e13\u4e1a\u7528\u6237\u53ef\u5728\u6280\u672f\u53c2\u6570\u4e25\u683c\u5339\u914d\u7684\u524d\u63d0\u4e0b\u5c1d\u8bd5\u6df7\u642d\u65b9\u6848\uff0c\u4f46\u9700\u627f\u62c5\u517c\u5bb9\u6027\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u5408\u7406\u9009\u62e9\u4e0e\u914d\u7f6e\uff0c\u53ef\u5728\u517c\u5bb9\u6027\u4e0e\u6027\u80fd\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\uff0c\u4f46\u914d\u5957\u7cfb\u7edf\u4ecd\u662f\u9ad8\u8981\u6c42\u573a\u666f\u7684\u6700\u4f18\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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\u3000\u3000\u5173\u4e8eSX1278<\/strong>LoRa\u6269\u9891\u6a21\u5757<\/strong>\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001SX1278\u6a21\u5757\u7684\u6838\u5fc3\u7279\u6027<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u91c7\u7528LoRa\u00ae\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7075\u654f\u5ea6\u8fbe-148 dBm\uff0c\u53d1\u5c04\u529f\u7387\u6700\u9ad8+20 dBm\uff0c\u94fe\u8def\u9884\u7b97\u8fbe168 dB\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe5-10\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u5f00\u53d1\u8005\u53ef\u5feb\u901f\u5b9e\u73b0SX1278\u6a21\u5757\u7684\u90e8\u7f72\u4e0e\u8c03\u8bd5\uff0c\u5145\u5206\u53d1\u6325\u5176\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5173\u4e8eSX1278 LoRa\u6269\u9891\u6a21\u5757\u7684\u4f7f\u7528\u6307\u5357\uff0c\u4ece\u786c\u4ef6\u8fde\u63a5\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u5230\u5e94\u7528\u5f00\u53d1\u7684\u5168\u6d41\u7a0b\u89e3\u6790\uff0c\u7ed3\u5408\u6280\u672f\u8d44\u6599\u548c\u5b9e\u8df5\u6848\u4f8b\uff0c\u63d0\u4f9b\u591a\u89d2\u5ea6\u8be6\u5b9e\u8bf4\u660e<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[54,217],"class_list":["post-102960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-kptx"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102960"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions"}],"predecessor-version":[{"id":102961,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102960\/revisions\/102961"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102960"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102958,"date":"2025-04-18T11:46:04","date_gmt":"2025-04-18T03:46:04","guid":{"rendered":"\/\/www.viralrail.com\/?p=102958"},"modified":"2025-04-18T11:46:09","modified_gmt":"2025-04-18T03:46:09","slug":"dmkxygdm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102958.html","title":{"rendered":"DTU\u6a21\u5757\u9700\u8981\u4f9b\u7535\u5417"},"content":{"rendered":"\n
\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u5fc5\u987b\u4f9d\u8d56\u5916\u90e8\u4f9b\u7535<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u662f\u7535\u5b50\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u529f\u80fd(\u6570\u636e\u91c7\u96c6\u3001\u8f6c\u6362\u3001\u4f20\u8f93\u7b49)\u5747\u9700\u7535\u529b\u652f\u6301\u3002\u4ece\u786c\u4ef6\u7ec4\u6210\u6765\u770b\uff0cDTU\u901a\u5e38\u5305\u542b\u7535\u6e90\u6a21\u5757<\/strong>(\u5982\u6240\u8ff0)\uff0c\u8be5\u6a21\u5757\u8d1f\u8d23\u5c06\u8f93\u5165\u7535\u6e90\u8f6c\u6362\u4e3a\u8bbe\u5907\u6240\u9700\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u5e76\u4e3a\u5176\u4ed6\u7ec4\u4ef6(\u5982\u5fae\u5904\u7406\u5668\u3001\u901a\u4fe1\u6a21\u5757\u3001\u5b58\u50a8\u6a21\u5757\u7b49)\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u4f55\u79cd\u5e94\u7528\u573a\u666f\uff0cDTU\u5747\u9700\u63a5\u5165\u5916\u90e8\u7535\u6e90\u6216\u5185\u7f6e\u7535\u6c60\u7cfb\u7edf\u3002<\/p>\n\n\n\n
<\/figure>\n\n\n\n\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
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\n
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<\/figure>\n\n\n\n
\n
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\u3000\u3000\u519c\u7530\u6c14\u8c61\u7ad9<\/strong>\uff1aDTU\u4f20\u8f93\u98ce\u901f\u3001\u964d\u96e8\u91cf\u6570\u636e\uff0c\u7ed3\u5408\u52a8\u6001\u9608\u503c\u9884\u6d4b\u707e\u5bb3(\u5982\u66b4\u96e8)\uff0c\u63d0\u524d\u89e6\u53d1\u6392\u6c34\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30004.\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u751f\u4ea7\u7ebf\u6545\u969c\u9884\u8b66<\/strong>\uff1aDTU\u4e0ePLC\u8054\u52a8\uff0c\u5b9e\u65f6\u76d1\u6d4b\u8bbe\u5907\u632f\u52a8\u9891\u7387\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u505c\u673a\u5e76\u63a8\u9001\u7ef4\u4fee\u5de5\u5355\u3002<\/p>\n\n\n\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u5b9e\u9645\u6848\u4f8b\u89e3\u6790<\/h2>\n\n\n\n\u3000\u3000\u6848\u4f8b1\uff1a\u57ce\u5e02\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cfb\u7edf\u67b6\u6784<\/strong>\uff1a\u6bcf\u4e2a\u4e95\u5185\u5b89\u88c5\u538b\u529b\u4f20\u611f\u5668+DTU\uff0c\u6570\u636e\u901a\u8fc7GPRS\u4e0a\u4f20\u81f3\u76d1\u63a7\u4e2d\u5fc3\u3002<\/p>\n\n\n\n
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\u3000\u3000\u6548\u76ca<\/strong>\uff1a\u6545\u969c\u5904\u7406\u6548\u7387\u63d0\u534760%\uff0c\u907f\u514d\u706b\u707e\u98ce\u9669\u3002<\/p>\n\n\n\n
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\n
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- \u3000\u30005G\u4e0e\u4f4e\u529f\u8017\u878d\u5408<\/strong>\uff1a\u652f\u63015G\u9ad8\u901f\u4f20\u8f93\u4e0eNB-IoT\u957f\u7eed\u822a\uff0c\u9002\u7528\u4e8e\u9ad8\u5b9e\u65f6\u6027\u573a\u666f(\u5982\u65e0\u4eba\u673a\u5de1\u68c0)\u3002<\/li>\n\n\n\n
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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,433],"class_list":["post-102954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-dtumodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102954"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions"}],"predecessor-version":[{"id":102955,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions\/102955"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102954"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102951,"date":"2025-04-17T16:13:23","date_gmt":"2025-04-17T08:13:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=102951"},"modified":"2025-04-17T16:13:27","modified_gmt":"2025-04-17T08:13:27","slug":"ldssm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102951.html","title":{"rendered":"LORa DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
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\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
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\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
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\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u30001.\u8d85\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u91c7\u7528LoRa\u00ae\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7075\u654f\u5ea6\u8fbe-148 dBm\uff0c\u53d1\u5c04\u529f\u7387\u6700\u9ad8+20 dBm\uff0c\u94fe\u8def\u9884\u7b97\u8fbe168 dB\uff0c\u7406\u60f3\u6761\u4ef6\u4e0b\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe5-10\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u9891\u6bb5(433\/470 MHz)\u6bd4\u9ad8\u9891\u6bb5(868\/915 MHz)\u8986\u76d6\u66f4\u5e7f\uff0c\u7a7f\u900f\u6027\u66f4\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
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\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u7761\u7720\u6a21\u5f0f\u529f\u8017\u4ec52.8 \u03bcA\uff0c\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u4f4e\u4e8e15 mA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30003.\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u901a\u8fc7\u6269\u9891\u6280\u672f\u3001\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u548c\u91d1\u5c5e\u5c4f\u853d\u7f69\u8bbe\u8ba1\uff0c\u5728\u590d\u6742\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30004.\u7075\u6d3b\u7684\u914d\u7f6e\u53c2\u6570<\/strong><\/h3>\n\n\n\n\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
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<\/figure>\n\n\n\n
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\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u652f\u6301\u5e26\u5bbd(7.8-500 kHz)\u3001\u6269\u9891\u56e0\u5b50(SF6-SF12)\u3001\u7f16\u7801\u7387(4\/5-4\/8)\u7b49\u53ef\u8c03\u53c2\u6570\uff0c\u5e73\u8861\u901f\u7387\u4e0e\u8ddd\u79bb\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u786c\u4ef6\u8fde\u63a5\u4e0e\u63a5\u53e3\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u63a5\u53e3\u7c7b\u578b<\/strong><\/h3>\n\n\n\n\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
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<\/figure>\n\n\n\n
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\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000SPI\u63a5\u53e3<\/strong>(\u4e3b\u901a\u4fe1\u65b9\u5f0f)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f15\u811a\u5b9a\u4e49<\/strong>\uff1aSCK(\u65f6\u949f)\u3001MOSI(\u4e3b\u53d1\u4ece\u6536)\u3001MISO(\u4e3b\u6536\u4ece\u53d1)\u3001NSS(\u7247\u9009)\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fde\u63a5\u793a\u4f8b<\/strong>(\u4ee5Arduino\u4e3a\u4f8b)\uff1a<\/p>\n\n\n\n
\u3000\u3000SX1278\u5f15\u811a \u2192 Arduino\u5f15\u811a<\/p>\n\n\n\n
\u3000\u3000VCC \u2192 3.3V<\/p>\n\n\n\n
\u3000\u3000GND \u2192 GND<\/p>\n\n\n\n
\u3000\u3000NSS \u2192 D10<\/p>\n\n\n\n
\u3000\u3000SCK \u2192 D13<\/p>\n\n\n\n
\u3000\u3000MOSI \u2192 D11<\/p>\n\n\n\n
\u3000\u3000MISO \u2192 D12<\/p>\n\n\n\n
\u3000\u3000DIO0 \u2192 D2(\u63a5\u6536\u4e2d\u65ad)<\/p>\n\n\n\n
\u3000\u3000RST \u2192 D9(\u590d\u4f4d)<\/p>\n\n\n\n
\u3000\u3000\u6ce8\u610f<\/strong>\uff1a\u6a21\u5757\u4ec5\u652f\u63013.3V\u4f9b\u7535\uff0c5V\u8f93\u5165\u4f1a\u635f\u574f\u82af\u7247\u3002<\/p>\n\n\n\n
\u3000\u3000UART\u63a5\u53e3<\/strong>(\u90e8\u5206\u6a21\u5757\u652f\u6301)\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9700\u901a\u8fc7AT\u6307\u4ee4\u914d\u7f6e\u6a21\u5757\uff0c\u6ce2\u7279\u7387\u9700\u4e0e\u4e3b\u63a7\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u30002. \u5929\u7ebf\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u752850\u03a9\u963b\u6297\u5929\u7ebf\uff0c\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u3002\u5929\u7ebf\u957f\u5ea6\u5efa\u8bae\u4e3a\u03bb\/4(433MHz\u5bf9\u5e94\u7ea617cm)\u3002<\/p>\n\n\n\n
\u3000\u3000\u90e8\u5206\u6a21\u5757\u5185\u7f6e\u9759\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u5916\u63a5\u5929\u7ebf\u65f6\u9700\u6ce8\u610f\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5bc4\u5b58\u5668\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
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<\/figure>\n\n\n\n
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\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u30001. \u521d\u59cb\u5316\u6d41\u7a0b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u590d\u4f4d\u6a21\u5757<\/strong>\uff1a\u62c9\u4f4eRST\u5f15\u811a\u540e\u91ca\u653e\uff0c\u786e\u4fdd\u82af\u7247\u8fdb\u5165\u9ed8\u8ba4\u72b6\u6001\u3002<\/p>\n\n\n\n
\u3000\u3000SPI\u521d\u59cb\u5316<\/strong>\uff1a\u914d\u7f6e\u65f6\u949f\u76f8\u4f4d\u3001\u901f\u7387(\u5efa\u8bae4 Mbps)\uff0c\u8bbe\u7f6eNSS\u4e3a\u4f4e\u7535\u5e73\u6fc0\u6d3b\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u3000\u6a21\u5f0f\u5207\u6362<\/strong>\uff1a\u901a\u8fc7RegOpMode\u5bc4\u5b58\u5668\u8bbe\u7f6e\u4e3aLoRa\u6a21\u5f0f(\u9ed8\u8ba4\u53ef\u80fd\u4e3aFSK)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9891\u7387\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7RegFrMsb\/Mid\/Lsb\u8bbe\u7f6e\u5de5\u4f5c\u9891\u7387(\u5982434 MHz)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u4e0e\u6269\u9891\u56e0\u5b50<\/strong>\uff1a\u901a\u8fc7RegModemConfig1\/2\u8bbe\u7f6e\u5e26\u5bbd(125 kHz)\u548c\u6269\u9891\u56e0\u5b50(SF7)\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u901a\u8fc7RegPaConfig\u8bbe\u7f6e\u8f93\u51fa\u529f\u7387(+17 dBm\u4e3a\u4f8b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u524d\u5bfc\u7801\u4e0eCRC<\/strong>\uff1a\u901a\u8fc7RegPreambleMsb\/Lsb\u8bbe\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u542f\u7528CRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ee3\u7801\u793a\u4f8b\uff08Arduino\uff09<\/strong><\/h3>\n\n\n\n\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
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\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000#include<\/p>\n\n\n\n
\u3000\u3000void setup() {<\/p>\n\n\n\n
\u3000\u3000LoRa.begin(434E6); \/\/ \u521d\u59cb\u5316\u9891\u7387\u4e3a434 MHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setSpreadingFactor(7); \/\/ \u6269\u9891\u56e0\u5b50SF7<\/p>\n\n\n\n
\u3000\u3000LoRa.setSignalBandwidth(125E3); \/\/ \u5e26\u5bbd125 kHz<\/p>\n\n\n\n
\u3000\u3000LoRa.setCodingRate4(5); \/\/ \u7f16\u7801\u73874\/5<\/p>\n\n\n\n
\u3000\u3000LoRa.setTxPower(17); \/\/ \u53d1\u5c04\u529f\u7387+17 dBm<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000void loop() {<\/p>\n\n\n\n
\u3000\u3000LoRa.beginPacket();<\/p>\n\n\n\n
\u3000\u3000LoRa.print(“Hello LoRa!”);<\/p>\n\n\n\n
\u3000\u3000LoRa.endPacket();<\/p>\n\n\n\n
\u3000\u3000delay(5000);<\/p>\n\n\n\n
\u3000\u3000}<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5f00\u53d1\u5de5\u5177\u4e0e\u9a71\u52a8\u652f\u6301<\/strong><\/h2>\n\n\n\n\u3000\u30001. Arduino\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd<\/strong>\uff1a\u5c01\u88c5SPI\u901a\u4fe1\uff0c\u63d0\u4f9b\u7b80\u5316API\u5b9e\u73b0\u6570\u636e\u6536\u53d1\u3001\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u3000\u30002. STM32\u5f00\u53d1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5b98\u65b9\u9a71\u52a8<\/strong>\uff1aSemtech\u63d0\u4f9bSX12xx\u9a71\u52a8\u5e93(\u652f\u6301HAL\u548c\u6807\u51c6\u5e93)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5173\u952e\u6b65\u9aa4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u521d\u59cb\u5316SPI\u5916\u8bbe(\u6a21\u5f0f0.\u65f6\u949f\u6781\u6027\u4f4e)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0\u5bc4\u5b58\u5668\u8bfb\u5199\u51fd\u6570\uff0c\u8c03\u7528SX1278_LoRa_Init()\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8c03\u8bd5\u5de5\u5177<\/strong><\/h3>\n\n\n\n\u3000\u3000\u903b\u8f91\u5206\u6790\u4eea<\/strong>\uff1a\u76d1\u6d4bSPI\u65f6\u5e8f\uff0c\u9a8c\u8bc1\u5bc4\u5b58\u5668\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n
\u3000\u3000\u9891\u8c31\u4eea<\/strong>\uff1a\u68c0\u6d4b\u53d1\u5c04\u9891\u7387\u548c\u529f\u7387\uff0c\u4f18\u5316\u5929\u7ebf\u5339\u914d\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u57ce\u5e02\u73af\u5883\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\uff0cSX1278\u4f20\u8f93pH\u3001\u6d4a\u5ea6\u6570\u636e\u81f31\u516c\u91cc\u5916\u57fa\u7ad9\uff0c\u4e22\u5305\u7387<1%\u3002<\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e<\/strong>\uff1aSF9\u3001\u5e26\u5bbd125 kHz\u3001\u7f16\u7801\u73874\/5.\u53d1\u5c04\u95f4\u969410\u5206\u949f\u3002<\/p>\n\n\n\n
\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
\u3000\u3000\u6280\u5de7<\/strong>\uff1a\u4f7f\u7528CAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u6a21\u5f0f\uff0c\u4ec5\u5728\u4fe1\u9053\u7a7a\u95f2\u65f6\u5524\u9192\u3002<\/p>\n\n\n\n
\u3000\u30003. \u901a\u4fe1\u8ddd\u79bb\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
\u3000\u3000\u969c\u788d\u73af\u5883<\/strong>\uff1a\u57ce\u5e02\u697c\u5b87\u95f4\u4f20\u8f93\u8ddd\u79bb\u964d\u81f31-2\u516c\u91cc\uff0c\u9700\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u6216\u964d\u4f4e\u901f\u7387\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u4f18\u5316\u5efa\u8bae<\/strong><\/h2>\n\n\n\n\u3000\u30001.\u901a\u4fe1\u5931\u8d25\u6392\u67e5<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u68c0\u67e5SPI\u5f15\u811a\u8fde\u63a5\u548cNSS\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f(\u9700\u56fa\u4ef6\u652f\u6301)\u3002<\/p>\n\n\n\n
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\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,433],"class_list":["post-102954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-dtumodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102954"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions"}],"predecessor-version":[{"id":102955,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions\/102955"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102954"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102951,"date":"2025-04-17T16:13:23","date_gmt":"2025-04-17T08:13:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=102951"},"modified":"2025-04-17T16:13:27","modified_gmt":"2025-04-17T08:13:27","slug":"ldssm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102951.html","title":{"rendered":"LORa DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
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\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u63a8\u8350\u5e93<\/strong>\uff1aLoRa by Sandeep Mistry(\u652f\u6301SX127x\u7cfb\u5217)\u3002<\/p>\n\n\n\n
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\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
\u3000\u3000\u5907\u7528\u7535\u6c60<\/strong>\uff1a\u4f5c\u4e3a\u4e3b\u7535\u6e90\u7684\u8865\u5145\uff0c\u53ef\u5728\u65ad\u7535\u65f6\u63d0\u4f9b24\u5c0f\u65f6\u4ee5\u4e0a\u7684\u7eed\u822a\u80fd\u529b\uff0c\u5e76\u914d\u5907\u4f4e\u7535\u538b\u544a\u8b66\u548c\u4fdd\u62a4\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30005. \u521b\u65b0\u4f9b\u7535\u65b9\u6848<\/strong><\/h3>\n\n\n\n\u3000\u3000\u96c6\u6210\u5f0f\u4f9b\u7535<\/strong>\uff1a\u5982\u4e13\u5229CN 119298611 A\u63d0\u51fa\u7684\u65b9\u6848\uff0c\u901a\u8fc7\u9006\u53d8\u5668\u4e3b\u677f\u76f4\u63a5\u4e3a\u5fae\u578bDTU\u4f9b\u7535\uff0c\u7b80\u5316\u4e86\u7535\u6e90\u8fde\u63a5\u6d41\u7a0b\uff0c\u63d0\u5347\u4e86\u6237\u5916\u5b89\u88c5\u4fbf\u5229\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u4f9b\u7535\u8bbe\u8ba1\u7684\u6838\u5fc3\u8981\u6c42<\/strong><\/h2>\n\n\n\n
\n
- \u3000\u3000\u7a33\u5b9a\u6027<\/strong>\uff1aDTU\u7684\u7535\u6e90\u9700\u63d0\u4f9b\u7a33\u5b9a\u7535\u538b\u548c\u7535\u6d41\uff0c\u907f\u514d\u56e0\u7535\u538b\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u4e2d\u65ad\u6216\u786c\u4ef6\u635f\u574f(\u5982\u5f3a\u8c03\u76f4\u6d41\u4f9b\u7535\u7684\u7eb9\u6ce2\u63a7\u5236)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5197\u4f59\u6027<\/strong>\uff1a\u5173\u952e\u573a\u666f(\u5982\u7535\u529b\u7cfb\u7edf)\u9700\u91c7\u7528\u53cc\u7535\u6e90\u6216\u5907\u7528\u7535\u6c60\u8bbe\u8ba1\uff0c\u786e\u4fdd\u4f9b\u7535\u8fde\u7eed\u6027\u3002<\/li>\n\n\n\n
- \u3000\u3000\u9002\u5e94\u6027<\/strong>\uff1a\u9700\u517c\u5bb9\u5bbd\u7535\u538b\u8f93\u5165\u8303\u56f4(\u59827-32V)\uff0c\u5e76\u5177\u5907\u9632\u96f7\u51fb\u3001\u6297\u6d6a\u6d8c\u7b49\u4fdd\u62a4\u529f\u80fd\uff0c\u4ee5\u5e94\u5bf9\u590d\u6742\u5de5\u4e1a\u73af\u5883\u3002<\/li>\n\n\n\n
- \u3000\u3000\u80fd\u6548\u7ba1\u7406<\/strong>\uff1a\u4f4e\u529f\u8017\u8bbe\u8ba1\u53ef\u5ef6\u957f\u7535\u6c60\u5bff\u547d\uff0c\u4f8b\u5982\u901a\u8fc7\u4f11\u7720\u6a21\u5f0f\u964d\u4f4e\u5f85\u673a\u529f\u8017\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u56db\u3001\u4f9b\u7535\u53c2\u6570\u793a\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000\u4ee5\u67d0\u5de5\u4e1a\u7ea7DTU(\u53a6\u95e8\u624d\u8302CM510-76F)\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u7535\u538b<\/strong>\uff1a+9VDC\/1.5A(\u652f\u63017-32V\u5bbd\u8303\u56f4\u8f93\u5165)\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u5fc5\u987b\u4f9b\u7535\uff0c\u5176\u4f9b\u7535\u65b9\u5f0f\u9700\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u9009\u62e9\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9ad8\u53ef\u9760\u6027\u573a\u666f<\/strong>(\u5982\u7535\u529b\u7cfb\u7edf)\uff1a\u63a8\u8350\u76f4\u6d41\u4f9b\u7535+\u5907\u7528\u7535\u6c60\u65b9\u6848\u3002<\/p>\n\n\n\n
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\u3000\u3000
DTU<\/a><\/strong>(Data Transfer Unit\uff0c\u6570\u636e\u4f20\u8f93\u5355\u5143)\u4f5c\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u6838\u5fc3\u8bbe\u5907\uff0c\u5728\u8fdc\u7a0b\u76d1\u63a7\u4e0e\u62a5\u8b66\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u7cfb\u7edf\u67b6\u6784\u3001\u5e94\u7528\u573a\u666f\u53ca\u5b9e\u9645\u6848\u4f8b\u7b49\u7ef4\u5ea6\u8fdb\u884c\u8be6\u7ec6\u9610\u8ff0\uff1a<\/p>\n\n\n\n\u3000\u3000\u4e00\u3001DTU\u5728\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u529f\u80fd<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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<\/figure>\n\n\n\n
\n
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- \u3000\u3000\u62a5\u8b66\u751f\u6210<\/strong>\uff1a\u76d1\u63a7\u5e73\u53f0\u6839\u636e\u9884\u8bbe\u89c4\u5219(\u9608\u503c\u3001\u884c\u4e3a\u6a21\u5f0f)\u751f\u6210\u62a5\u8b66\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u901a\u77e5<\/strong>\uff1a\u901a\u8fc7\u77ed\u4fe1\u3001\u90ae\u4ef6\u3001\u5f39\u7a97\u7b49\u65b9\u5f0f\u5206\u7ea7\u63a8\u9001\u81f3\u76f8\u5173\u4eba\u5458\u3002<\/li>\n\n\n\n
- \u3000\u3000\u8054\u52a8\u54cd\u5e94<\/strong>\uff1a\u89e6\u53d1\u81ea\u52a8\u5316\u8fd0\u7ef4\u4efb\u52a1(\u5982\u8bbe\u5907\u91cd\u542f)\u6216\u4eba\u5de5\u4ecb\u5165\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n
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\u3000\u3000\u77f3\u6cb9\u7ba1\u7ebf\u76d1\u6d4b<\/strong>\uff1aDTU\u68c0\u6d4b\u7ba1\u9053\u538b\u529b\u5f02\u5e38\uff0c\u901a\u8fc7\u77ed\u4fe1\u901a\u77e5\u7ef4\u62a4\u56e2\u961f\uff0c\u7ed3\u5408GIS\u5b9a\u4f4d\u5feb\u901f\u4fee\u590d\u6cc4\u6f0f\u70b9\u3002<\/p>\n\n\n\n
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\u3000\u30004.\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u751f\u4ea7\u7ebf\u6545\u969c\u9884\u8b66<\/strong>\uff1aDTU\u4e0ePLC\u8054\u52a8\uff0c\u5b9e\u65f6\u76d1\u6d4b\u8bbe\u5907\u632f\u52a8\u9891\u7387\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u505c\u673a\u5e76\u63a8\u9001\u7ef4\u4fee\u5de5\u5355\u3002<\/p>\n\n\n\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u30002.\u4e91\u7aef\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u878d\u5408<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8fb9\u7f18\u9884\u5904\u7406<\/strong>\uff1aDTU\u5185\u7f6e\u7b97\u6cd5\u8fc7\u6ee4\u566a\u58f0\u6570\u636e\uff0c\u4ec5\u4e0a\u4f20\u6709\u6548\u4fe1\u606f\u4ee5\u51cf\u5c11\u5e26\u5bbd\u5360\u7528\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u5b9e\u9645\u6848\u4f8b\u89e3\u6790<\/h2>\n\n\n\n\u3000\u3000\u6848\u4f8b1\uff1a\u57ce\u5e02\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cfb\u7edf\u67b6\u6784<\/strong>\uff1a\u6bcf\u4e2a\u4e95\u5185\u5b89\u88c5\u538b\u529b\u4f20\u611f\u5668+DTU\uff0c\u6570\u636e\u901a\u8fc7GPRS\u4e0a\u4f20\u81f3\u76d1\u63a7\u4e2d\u5fc3\u3002<\/p>\n\n\n\n
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\u3000\u3000\u6848\u4f8b2\uff1a\u667a\u80fd\u4ea4\u901a\u5145\u7535\u6869<\/strong><\/h3>\n\n\n\n\u3000\u3000\u529f\u80fd\u5b9e\u73b0<\/strong>\uff1a4G DTU\u5b9e\u65f6\u4e0a\u4f20\u5145\u7535\u6869\u72b6\u6001(\u7535\u538b\u3001\u7535\u6d41)\uff0c\u8fc7\u8f7d\u65f6\u8fdc\u7a0b\u5207\u65ad\u7535\u6e90\u5e76\u901a\u77e5\u8fd0\u7ef4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6548\u76ca<\/strong>\uff1a\u6545\u969c\u5904\u7406\u6548\u7387\u63d0\u534760%\uff0c\u907f\u514d\u706b\u707e\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/h2>\n\n\n\n
\n
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- \u3000\u30005G\u4e0e\u4f4e\u529f\u8017\u878d\u5408<\/strong>\uff1a\u652f\u63015G\u9ad8\u901f\u4f20\u8f93\u4e0eNB-IoT\u957f\u7eed\u822a\uff0c\u9002\u7528\u4e8e\u9ad8\u5b9e\u65f6\u6027\u573a\u666f(\u5982\u65e0\u4eba\u673a\u5de1\u68c0)\u3002<\/li>\n\n\n\n
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\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
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DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,433],"class_list":["post-102954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-dtumodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102954"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions"}],"predecessor-version":[{"id":102955,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions\/102955"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102954"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102951,"date":"2025-04-17T16:13:23","date_gmt":"2025-04-17T08:13:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=102951"},"modified":"2025-04-17T16:13:27","modified_gmt":"2025-04-17T08:13:27","slug":"ldssm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102951.html","title":{"rendered":"LORa DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
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\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
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\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
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\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
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\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
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\u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6848\u4f8b<\/strong>\uff1a\u519c\u7530\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff0c\u6a21\u5757\u4f11\u7720\u7535\u6d412.8 \u03bcA\uff0c\u4e24\u8282AA\u7535\u6c60\u7eed\u822a2\u5e74\u3002<\/p>\n\n\n\n
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\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
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\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
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<\/figure>\n\n\n\n\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
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\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
\u3000\u3000\u5907\u7528\u7535\u6c60<\/strong>\uff1a\u4f5c\u4e3a\u4e3b\u7535\u6e90\u7684\u8865\u5145\uff0c\u53ef\u5728\u65ad\u7535\u65f6\u63d0\u4f9b24\u5c0f\u65f6\u4ee5\u4e0a\u7684\u7eed\u822a\u80fd\u529b\uff0c\u5e76\u914d\u5907\u4f4e\u7535\u538b\u544a\u8b66\u548c\u4fdd\u62a4\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30005. \u521b\u65b0\u4f9b\u7535\u65b9\u6848<\/strong><\/h3>\n\n\n\n\u3000\u3000\u96c6\u6210\u5f0f\u4f9b\u7535<\/strong>\uff1a\u5982\u4e13\u5229CN 119298611 A\u63d0\u51fa\u7684\u65b9\u6848\uff0c\u901a\u8fc7\u9006\u53d8\u5668\u4e3b\u677f\u76f4\u63a5\u4e3a\u5fae\u578bDTU\u4f9b\u7535\uff0c\u7b80\u5316\u4e86\u7535\u6e90\u8fde\u63a5\u6d41\u7a0b\uff0c\u63d0\u5347\u4e86\u6237\u5916\u5b89\u88c5\u4fbf\u5229\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u4f9b\u7535\u8bbe\u8ba1\u7684\u6838\u5fc3\u8981\u6c42<\/strong><\/h2>\n\n\n\n
\n
- \u3000\u3000\u7a33\u5b9a\u6027<\/strong>\uff1aDTU\u7684\u7535\u6e90\u9700\u63d0\u4f9b\u7a33\u5b9a\u7535\u538b\u548c\u7535\u6d41\uff0c\u907f\u514d\u56e0\u7535\u538b\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u4e2d\u65ad\u6216\u786c\u4ef6\u635f\u574f(\u5982\u5f3a\u8c03\u76f4\u6d41\u4f9b\u7535\u7684\u7eb9\u6ce2\u63a7\u5236)\u3002<\/li>\n\n\n\n
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DTU<\/a><\/strong>(Data Transfer Unit\uff0c\u6570\u636e\u4f20\u8f93\u5355\u5143)\u4f5c\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u6838\u5fc3\u8bbe\u5907\uff0c\u5728\u8fdc\u7a0b\u76d1\u63a7\u4e0e\u62a5\u8b66\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u7cfb\u7edf\u67b6\u6784\u3001\u5e94\u7528\u573a\u666f\u53ca\u5b9e\u9645\u6848\u4f8b\u7b49\u7ef4\u5ea6\u8fdb\u884c\u8be6\u7ec6\u9610\u8ff0\uff1a<\/p>\n\n\n\n\u3000\u3000\u4e00\u3001DTU\u5728\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u529f\u80fd<\/h2>\n\n\n\n
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<\/figure>\n\n\n\n
\n
- \u3000\u3000\u6570\u636e\u91c7\u96c6<\/strong>\uff1aDTU\u4ece\u4f20\u611f\u5668\u6216PLC\u83b7\u53d6\u8bbe\u5907\u72b6\u6001\u6570\u636e\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u751f\u6210<\/strong>\uff1a\u76d1\u63a7\u5e73\u53f0\u6839\u636e\u9884\u8bbe\u89c4\u5219(\u9608\u503c\u3001\u884c\u4e3a\u6a21\u5f0f)\u751f\u6210\u62a5\u8b66\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u901a\u77e5<\/strong>\uff1a\u901a\u8fc7\u77ed\u4fe1\u3001\u90ae\u4ef6\u3001\u5f39\u7a97\u7b49\u65b9\u5f0f\u5206\u7ea7\u63a8\u9001\u81f3\u76f8\u5173\u4eba\u5458\u3002<\/li>\n\n\n\n
- \u3000\u3000\u8054\u52a8\u54cd\u5e94<\/strong>\uff1a\u89e6\u53d1\u81ea\u52a8\u5316\u8fd0\u7ef4\u4efb\u52a1(\u5982\u8bbe\u5907\u91cd\u542f)\u6216\u4eba\u5de5\u4ecb\u5165\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n
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\u3000\u3000\u8f93\u7535\u7ebf\u8def\u76d1\u6d4b<\/strong>\uff1a\u901a\u8fc7GPRS DTU\u5b9e\u73b0\u9ad8\u538b\u7ebf\u8def\u7684\u6e29\u6e7f\u5ea6\u3001\u632f\u52a8\u6570\u636e\u8fdc\u7a0b\u4f20\u8f93\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u53d1\u9001\u5b9a\u4f4d\u62a5\u8b66\u3002<\/p>\n\n\n\n
\u3000\u30002.\u73af\u4fdd\u4e0e\u80fd\u6e90\u7ba1\u7406<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6c61\u67d3\u6e90\u76d1\u63a7<\/strong>\uff1aDTU\u8fde\u63a5\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u4e0a\u4f20\u5316\u5b66\u9700\u6c27\u91cf(COD)\u6570\u636e\uff0c\u8d85\u6807\u65f6\u63a8\u9001\u62a5\u8b66\u81f3\u73af\u4fdd\u90e8\u95e8\u3002<\/p>\n\n\n\n
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\u3000\u30003.\u667a\u6167\u519c\u4e1a<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cae\u4ed3\u6e29\u6e7f\u5ea6\u76d1\u63a7<\/strong>\uff1a\u57fa\u4e8e4G DTU\u7684\u7cfb\u7edf\u6bcf5\u5206\u949f\u4e0a\u4f20\u6570\u636e\uff0c\u6e7f\u5ea6\u8d85\u9650\u65f6\u542f\u52a8\u58f0\u5149\u62a5\u8b66\u5e76\u77ed\u4fe1\u901a\u77e5\u7ba1\u7406\u5458\u3002<\/p>\n\n\n\n
\u3000\u3000\u519c\u7530\u6c14\u8c61\u7ad9<\/strong>\uff1aDTU\u4f20\u8f93\u98ce\u901f\u3001\u964d\u96e8\u91cf\u6570\u636e\uff0c\u7ed3\u5408\u52a8\u6001\u9608\u503c\u9884\u6d4b\u707e\u5bb3(\u5982\u66b4\u96e8)\uff0c\u63d0\u524d\u89e6\u53d1\u6392\u6c34\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30004.\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u751f\u4ea7\u7ebf\u6545\u969c\u9884\u8b66<\/strong>\uff1aDTU\u4e0ePLC\u8054\u52a8\uff0c\u5b9e\u65f6\u76d1\u6d4b\u8bbe\u5907\u632f\u52a8\u9891\u7387\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u505c\u673a\u5e76\u63a8\u9001\u7ef4\u4fee\u5de5\u5355\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u623f\u73af\u5883\u76d1\u63a7<\/strong>\uff1a\u53f0\u5317\u5e02\u91c7\u7528AD7028W DTU\u6a21\u5757\u96c6\u62105G\u901a\u4fe1\uff0c\u7edf\u4e00\u76d1\u63a7UPS\u3001\u6d88\u9632\u7b49\u5b50\u7cfb\u7edf\uff0c\u77ed\u4fe1\u62a5\u8b66\u54cd\u5e94\u65f6\u95f4\u5c0f\u4e8e3\u79d2\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u30002.\u4e91\u7aef\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u878d\u5408<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8fb9\u7f18\u9884\u5904\u7406<\/strong>\uff1aDTU\u5185\u7f6e\u7b97\u6cd5\u8fc7\u6ee4\u566a\u58f0\u6570\u636e\uff0c\u4ec5\u4e0a\u4f20\u6709\u6548\u4fe1\u606f\u4ee5\u51cf\u5c11\u5e26\u5bbd\u5360\u7528\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u5b9e\u9645\u6848\u4f8b\u89e3\u6790<\/h2>\n\n\n\n\u3000\u3000\u6848\u4f8b1\uff1a\u57ce\u5e02\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cfb\u7edf\u67b6\u6784<\/strong>\uff1a\u6bcf\u4e2a\u4e95\u5185\u5b89\u88c5\u538b\u529b\u4f20\u611f\u5668+DTU\uff0c\u6570\u636e\u901a\u8fc7GPRS\u4e0a\u4f20\u81f3\u76d1\u63a7\u4e2d\u5fc3\u3002<\/p>\n\n\n\n
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\u3000\u3000\u6848\u4f8b2\uff1a\u667a\u80fd\u4ea4\u901a\u5145\u7535\u6869<\/strong><\/h3>\n\n\n\n\u3000\u3000\u529f\u80fd\u5b9e\u73b0<\/strong>\uff1a4G DTU\u5b9e\u65f6\u4e0a\u4f20\u5145\u7535\u6869\u72b6\u6001(\u7535\u538b\u3001\u7535\u6d41)\uff0c\u8fc7\u8f7d\u65f6\u8fdc\u7a0b\u5207\u65ad\u7535\u6e90\u5e76\u901a\u77e5\u8fd0\u7ef4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6548\u76ca<\/strong>\uff1a\u6545\u969c\u5904\u7406\u6548\u7387\u63d0\u534760%\uff0c\u907f\u514d\u706b\u707e\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/h2>\n\n\n\n
\n
- \u3000\u3000AI\u6df1\u5ea6\u96c6\u6210<\/strong>\uff1aDTU\u5c06\u5d4c\u5165\u8fb9\u7f18AI\u82af\u7247\uff0c\u5b9e\u73b0\u672c\u5730\u5316\u5f02\u5e38\u8bc6\u522b(\u5982\u56fe\u50cf\u8bc6\u522b\u706b\u707e)\u3002<\/li>\n\n\n\n
- \u3000\u30005G\u4e0e\u4f4e\u529f\u8017\u878d\u5408<\/strong>\uff1a\u652f\u63015G\u9ad8\u901f\u4f20\u8f93\u4e0eNB-IoT\u957f\u7eed\u822a\uff0c\u9002\u7528\u4e8e\u9ad8\u5b9e\u65f6\u6027\u573a\u666f(\u5982\u65e0\u4eba\u673a\u5de1\u68c0)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u8de8\u5e73\u53f0\u517c\u5bb9<\/strong>\uff1aDTU\u5411\u591a\u534f\u8bae\u3001\u5f00\u653e\u5f0fAPI\u53d1\u5c55\uff0c\u9002\u914d\u66f4\u591a\u7b2c\u4e09\u65b9\u4e91\u5e73\u53f0(\u5982AWS IoT\u3001\u963f\u91cc\u4e91)\u3002<\/li>\n<\/ul>\n\n\n\n
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\u3000\u3000DTU<\/strong>(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236\u3001\u901a\u4fe1\u534f\u8bae\u5f71\u54cd\u53ca\u5b9e\u9645\u5e94\u7528\u5efa\u8bae\u7b49\u89d2\u5ea6\u5c55\u5f00\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u7684\u786c\u4ef6\u63a5\u53e3\u4e0e\u8bbe\u5907\u8fde\u63a5\u80fd\u529b<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u30001.\u63a5\u53e3\u7c7b\u578b\u4e0e\u6570\u91cf\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000
DTU\u6a21\u5757<\/a>\u7684\u7269\u7406\u63a5\u53e3\u7c7b\u578b\u76f4\u63a5\u5f71\u54cd\u5176\u8fde\u63a5\u8bbe\u5907\u7684\u6570\u91cf\u3002\u6839\u636e\u8d44\u6599\u663e\u793a\uff0cDTU\u5e38\u89c1\u7684\u63a5\u53e3\u5305\u62ec\uff1a<\/p>\n\n\n\n
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- \u3000\u3000I\/O\u63a5\u53e3<\/strong>\uff1a\u7528\u4e8e\u8fde\u63a5\u6570\u5b57\u91cf\u6216\u6a21\u62df\u91cf\u4f20\u611f\u5668\uff0c\u6570\u91cf\u7531\u6a21\u5757\u8bbe\u8ba1\u51b3\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u8bbe\u8ba1\u5dee\u5f02<\/strong><\/h3>\n\n\n\n
\n
- \u3000\u3000\u5355\u4e32\u53e3DTU<\/strong>\uff1a\u4ec5\u652f\u6301\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u573a\u666f\u3002<\/li>\n\n\n\n
- \u3000\u3000\u591a\u4e32\u53e3DTU<\/strong>\uff1a\u4f8b\u5982\u67d0\u4e9b\u578b\u53f7\u652f\u63014\u4e2a\u72ec\u7acb\u4e32\u53e3\uff0c\u53ef\u540c\u65f6\u8fde\u63a54\u53f0\u8bbe\u5907\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5d4c\u5165\u5f0fDTU<\/strong>\uff1a\u53ef\u96c6\u6210\u5230\u8bbe\u5907\u5185\u90e8\uff0c\u901a\u8fc7\u4e3b\u677f\u6269\u5c55\u63a5\u53e3\u6570\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u901a\u4fe1\u534f\u8bae\u4e0e\u5730\u5740\u5206\u914d\u5bf9\u8bbe\u5907\u6570\u91cf\u7684\u5f71\u54cd<\/h2>\n\n\n\n
\u3000\u30001.Modbus\u534f\u8bae\u7684\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6bcf\u4e2a\u4e32\u53e3\u5728Modbus RTU\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u6301247\u4e2a\u4ece\u673a\u8bbe\u5907(\u7406\u8bba\u503c)\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u53d7DTU\u5904\u7406\u80fd\u529b\u3001\u901a\u4fe1\u901f\u7387\u548c\u6570\u636e\u91cf\u9650\u5236\uff0c\u901a\u5e38\u5efa\u8bae\u4e0d\u8d85\u8fc732\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u5730\u5740\u5206\u914d\u539f\u5219<\/strong>\uff1a\u4f8b\u5982G340N\u578b\u53f7\u8981\u6c42\u6309\u201c\u7ec4\u5185\u8bbe\u5907\u6700\u5927\u6570\u201d\u5206\u914d\u5730\u5740\uff0c\u82e5\u8bbe\u7f6e\u4e3a5.\u5219\u6bcf\u4e2aDTU\u6a21\u5757\u6700\u591a\u7ba1\u74065\u53f0\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30002.TCP\/UDP\u534f\u8bae\u4e0e\u7f51\u7edc\u6269\u5c55<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
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DTU<\/a><\/strong>(Data Transfer Unit\uff0c\u6570\u636e\u4f20\u8f93\u5355\u5143)\u4f5c\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u6838\u5fc3\u8bbe\u5907\uff0c\u5728\u8fdc\u7a0b\u76d1\u63a7\u4e0e\u62a5\u8b66\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u7cfb\u7edf\u67b6\u6784\u3001\u5e94\u7528\u573a\u666f\u53ca\u5b9e\u9645\u6848\u4f8b\u7b49\u7ef4\u5ea6\u8fdb\u884c\u8be6\u7ec6\u9610\u8ff0\uff1a<\/p>\n\n\n\n\u3000\u3000\u4e00\u3001DTU\u5728\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u529f\u80fd<\/h2>\n\n\n\n
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<\/figure>\n\n\n\n
\n
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\u3000\u30004.\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u751f\u4ea7\u7ebf\u6545\u969c\u9884\u8b66<\/strong>\uff1aDTU\u4e0ePLC\u8054\u52a8\uff0c\u5b9e\u65f6\u76d1\u6d4b\u8bbe\u5907\u632f\u52a8\u9891\u7387\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u505c\u673a\u5e76\u63a8\u9001\u7ef4\u4fee\u5de5\u5355\u3002<\/p>\n\n\n\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u30002.\u4e91\u7aef\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u878d\u5408<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8fb9\u7f18\u9884\u5904\u7406<\/strong>\uff1aDTU\u5185\u7f6e\u7b97\u6cd5\u8fc7\u6ee4\u566a\u58f0\u6570\u636e\uff0c\u4ec5\u4e0a\u4f20\u6709\u6548\u4fe1\u606f\u4ee5\u51cf\u5c11\u5e26\u5bbd\u5360\u7528\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u5b9e\u9645\u6848\u4f8b\u89e3\u6790<\/h2>\n\n\n\n\u3000\u3000\u6848\u4f8b1\uff1a\u57ce\u5e02\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cfb\u7edf\u67b6\u6784<\/strong>\uff1a\u6bcf\u4e2a\u4e95\u5185\u5b89\u88c5\u538b\u529b\u4f20\u611f\u5668+DTU\uff0c\u6570\u636e\u901a\u8fc7GPRS\u4e0a\u4f20\u81f3\u76d1\u63a7\u4e2d\u5fc3\u3002<\/p>\n\n\n\n
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\u3000\u3000\u516d\u3001\u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/h2>\n\n\n\n
\n
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\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,433],"class_list":["post-102954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-dtumodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102954"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions"}],"predecessor-version":[{"id":102955,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions\/102955"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102954"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102951,"date":"2025-04-17T16:13:23","date_gmt":"2025-04-17T08:13:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=102951"},"modified":"2025-04-17T16:13:27","modified_gmt":"2025-04-17T08:13:27","slug":"ldssm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102951.html","title":{"rendered":"LORa DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
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\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
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\u3000\u3000\u7406\u60f3\u6761\u4ef6<\/strong>(\u65e0\u906e\u6321)\uff1aSF12\u3001\u5e26\u5bbd125 kHz\u65f6\uff0c\u5b9e\u6d4b\u8ddd\u79bb\u8fbe8\u516c\u91cc\u3002<\/p>\n\n\n\n
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\u3000\u3000\u9a8c\u8bc1\u9891\u7387\u548c\u6269\u9891\u56e0\u5b50\u662f\u5426\u6536\u53d1\u7aef\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d4b\u91cf\u5929\u7ebf\u9a7b\u6ce2\u6bd4(VSWR)\uff0c\u786e\u4fdd<2.0.<\/p>\n\n\n\n
\u3000\u30002.\u529f\u8017\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u7f29\u77ed\u53d1\u5c04\u65f6\u95f4\uff0c\u589e\u52a0\u4f11\u7720\u5468\u671f\u3002<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u81f310 dBm\uff0c\u7535\u6d41\u53ef\u4ece120 mA\u964d\u81f380 mA\u3002<\/p>\n\n\n\n
\u3000\u30003.\u6297\u5e72\u6270\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n\u3000\u3000\u542f\u7528\u524d\u5bfc\u7801\u68c0\u6d4b\u548cCRC\u6821\u9a8c\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u5fc5\u987b\u4f9d\u8d56\u5916\u90e8\u4f9b\u7535<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u662f\u7535\u5b50\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u529f\u80fd(\u6570\u636e\u91c7\u96c6\u3001\u8f6c\u6362\u3001\u4f20\u8f93\u7b49)\u5747\u9700\u7535\u529b\u652f\u6301\u3002\u4ece\u786c\u4ef6\u7ec4\u6210\u6765\u770b\uff0cDTU\u901a\u5e38\u5305\u542b\u7535\u6e90\u6a21\u5757<\/strong>(\u5982\u6240\u8ff0)\uff0c\u8be5\u6a21\u5757\u8d1f\u8d23\u5c06\u8f93\u5165\u7535\u6e90\u8f6c\u6362\u4e3a\u8bbe\u5907\u6240\u9700\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u5e76\u4e3a\u5176\u4ed6\u7ec4\u4ef6(\u5982\u5fae\u5904\u7406\u5668\u3001\u901a\u4fe1\u6a21\u5757\u3001\u5b58\u50a8\u6a21\u5757\u7b49)\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u4f55\u79cd\u5e94\u7528\u573a\u666f\uff0cDTU\u5747\u9700\u63a5\u5165\u5916\u90e8\u7535\u6e90\u6216\u5185\u7f6e\u7535\u6c60\u7cfb\u7edf\u3002<\/p>\n\n\n\n
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\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
\u3000\u3000\u5907\u7528\u7535\u6c60<\/strong>\uff1a\u4f5c\u4e3a\u4e3b\u7535\u6e90\u7684\u8865\u5145\uff0c\u53ef\u5728\u65ad\u7535\u65f6\u63d0\u4f9b24\u5c0f\u65f6\u4ee5\u4e0a\u7684\u7eed\u822a\u80fd\u529b\uff0c\u5e76\u914d\u5907\u4f4e\u7535\u538b\u544a\u8b66\u548c\u4fdd\u62a4\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30005. \u521b\u65b0\u4f9b\u7535\u65b9\u6848<\/strong><\/h3>\n\n\n\n\u3000\u3000\u96c6\u6210\u5f0f\u4f9b\u7535<\/strong>\uff1a\u5982\u4e13\u5229CN 119298611 A\u63d0\u51fa\u7684\u65b9\u6848\uff0c\u901a\u8fc7\u9006\u53d8\u5668\u4e3b\u677f\u76f4\u63a5\u4e3a\u5fae\u578bDTU\u4f9b\u7535\uff0c\u7b80\u5316\u4e86\u7535\u6e90\u8fde\u63a5\u6d41\u7a0b\uff0c\u63d0\u5347\u4e86\u6237\u5916\u5b89\u88c5\u4fbf\u5229\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u4f9b\u7535\u8bbe\u8ba1\u7684\u6838\u5fc3\u8981\u6c42<\/strong><\/h2>\n\n\n\n
\n
- \u3000\u3000\u7a33\u5b9a\u6027<\/strong>\uff1aDTU\u7684\u7535\u6e90\u9700\u63d0\u4f9b\u7a33\u5b9a\u7535\u538b\u548c\u7535\u6d41\uff0c\u907f\u514d\u56e0\u7535\u538b\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u4e2d\u65ad\u6216\u786c\u4ef6\u635f\u574f(\u5982\u5f3a\u8c03\u76f4\u6d41\u4f9b\u7535\u7684\u7eb9\u6ce2\u63a7\u5236)\u3002<\/li>\n\n\n\n
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DTU<\/a><\/strong>(Data Transfer Unit\uff0c\u6570\u636e\u4f20\u8f93\u5355\u5143)\u4f5c\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u6838\u5fc3\u8bbe\u5907\uff0c\u5728\u8fdc\u7a0b\u76d1\u63a7\u4e0e\u62a5\u8b66\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u7cfb\u7edf\u67b6\u6784\u3001\u5e94\u7528\u573a\u666f\u53ca\u5b9e\u9645\u6848\u4f8b\u7b49\u7ef4\u5ea6\u8fdb\u884c\u8be6\u7ec6\u9610\u8ff0\uff1a<\/p>\n\n\n\n\u3000\u3000\u4e00\u3001DTU\u5728\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u529f\u80fd<\/h2>\n\n\n\n
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<\/figure>\n\n\n\n
\n
- \u3000\u3000\u6570\u636e\u91c7\u96c6<\/strong>\uff1aDTU\u4ece\u4f20\u611f\u5668\u6216PLC\u83b7\u53d6\u8bbe\u5907\u72b6\u6001\u6570\u636e\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u751f\u6210<\/strong>\uff1a\u76d1\u63a7\u5e73\u53f0\u6839\u636e\u9884\u8bbe\u89c4\u5219(\u9608\u503c\u3001\u884c\u4e3a\u6a21\u5f0f)\u751f\u6210\u62a5\u8b66\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u901a\u77e5<\/strong>\uff1a\u901a\u8fc7\u77ed\u4fe1\u3001\u90ae\u4ef6\u3001\u5f39\u7a97\u7b49\u65b9\u5f0f\u5206\u7ea7\u63a8\u9001\u81f3\u76f8\u5173\u4eba\u5458\u3002<\/li>\n\n\n\n
- \u3000\u3000\u8054\u52a8\u54cd\u5e94<\/strong>\uff1a\u89e6\u53d1\u81ea\u52a8\u5316\u8fd0\u7ef4\u4efb\u52a1(\u5982\u8bbe\u5907\u91cd\u542f)\u6216\u4eba\u5de5\u4ecb\u5165\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n
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\u3000\u3000\u8f93\u7535\u7ebf\u8def\u76d1\u6d4b<\/strong>\uff1a\u901a\u8fc7GPRS DTU\u5b9e\u73b0\u9ad8\u538b\u7ebf\u8def\u7684\u6e29\u6e7f\u5ea6\u3001\u632f\u52a8\u6570\u636e\u8fdc\u7a0b\u4f20\u8f93\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u53d1\u9001\u5b9a\u4f4d\u62a5\u8b66\u3002<\/p>\n\n\n\n
\u3000\u30002.\u73af\u4fdd\u4e0e\u80fd\u6e90\u7ba1\u7406<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6c61\u67d3\u6e90\u76d1\u63a7<\/strong>\uff1aDTU\u8fde\u63a5\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u4e0a\u4f20\u5316\u5b66\u9700\u6c27\u91cf(COD)\u6570\u636e\uff0c\u8d85\u6807\u65f6\u63a8\u9001\u62a5\u8b66\u81f3\u73af\u4fdd\u90e8\u95e8\u3002<\/p>\n\n\n\n
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\u3000\u30003.\u667a\u6167\u519c\u4e1a<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cae\u4ed3\u6e29\u6e7f\u5ea6\u76d1\u63a7<\/strong>\uff1a\u57fa\u4e8e4G DTU\u7684\u7cfb\u7edf\u6bcf5\u5206\u949f\u4e0a\u4f20\u6570\u636e\uff0c\u6e7f\u5ea6\u8d85\u9650\u65f6\u542f\u52a8\u58f0\u5149\u62a5\u8b66\u5e76\u77ed\u4fe1\u901a\u77e5\u7ba1\u7406\u5458\u3002<\/p>\n\n\n\n
\u3000\u3000\u519c\u7530\u6c14\u8c61\u7ad9<\/strong>\uff1aDTU\u4f20\u8f93\u98ce\u901f\u3001\u964d\u96e8\u91cf\u6570\u636e\uff0c\u7ed3\u5408\u52a8\u6001\u9608\u503c\u9884\u6d4b\u707e\u5bb3(\u5982\u66b4\u96e8)\uff0c\u63d0\u524d\u89e6\u53d1\u6392\u6c34\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30004.\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u751f\u4ea7\u7ebf\u6545\u969c\u9884\u8b66<\/strong>\uff1aDTU\u4e0ePLC\u8054\u52a8\uff0c\u5b9e\u65f6\u76d1\u6d4b\u8bbe\u5907\u632f\u52a8\u9891\u7387\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u505c\u673a\u5e76\u63a8\u9001\u7ef4\u4fee\u5de5\u5355\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u623f\u73af\u5883\u76d1\u63a7<\/strong>\uff1a\u53f0\u5317\u5e02\u91c7\u7528AD7028W DTU\u6a21\u5757\u96c6\u62105G\u901a\u4fe1\uff0c\u7edf\u4e00\u76d1\u63a7UPS\u3001\u6d88\u9632\u7b49\u5b50\u7cfb\u7edf\uff0c\u77ed\u4fe1\u62a5\u8b66\u54cd\u5e94\u65f6\u95f4\u5c0f\u4e8e3\u79d2\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u30002.\u4e91\u7aef\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u878d\u5408<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8fb9\u7f18\u9884\u5904\u7406<\/strong>\uff1aDTU\u5185\u7f6e\u7b97\u6cd5\u8fc7\u6ee4\u566a\u58f0\u6570\u636e\uff0c\u4ec5\u4e0a\u4f20\u6709\u6548\u4fe1\u606f\u4ee5\u51cf\u5c11\u5e26\u5bbd\u5360\u7528\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u5b9e\u9645\u6848\u4f8b\u89e3\u6790<\/h2>\n\n\n\n\u3000\u3000\u6848\u4f8b1\uff1a\u57ce\u5e02\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cfb\u7edf\u67b6\u6784<\/strong>\uff1a\u6bcf\u4e2a\u4e95\u5185\u5b89\u88c5\u538b\u529b\u4f20\u611f\u5668+DTU\uff0c\u6570\u636e\u901a\u8fc7GPRS\u4e0a\u4f20\u81f3\u76d1\u63a7\u4e2d\u5fc3\u3002<\/p>\n\n\n\n
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\u3000\u3000\u6848\u4f8b2\uff1a\u667a\u80fd\u4ea4\u901a\u5145\u7535\u6869<\/strong><\/h3>\n\n\n\n\u3000\u3000\u529f\u80fd\u5b9e\u73b0<\/strong>\uff1a4G DTU\u5b9e\u65f6\u4e0a\u4f20\u5145\u7535\u6869\u72b6\u6001(\u7535\u538b\u3001\u7535\u6d41)\uff0c\u8fc7\u8f7d\u65f6\u8fdc\u7a0b\u5207\u65ad\u7535\u6e90\u5e76\u901a\u77e5\u8fd0\u7ef4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6548\u76ca<\/strong>\uff1a\u6545\u969c\u5904\u7406\u6548\u7387\u63d0\u534760%\uff0c\u907f\u514d\u706b\u707e\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/h2>\n\n\n\n
\n
- \u3000\u3000AI\u6df1\u5ea6\u96c6\u6210<\/strong>\uff1aDTU\u5c06\u5d4c\u5165\u8fb9\u7f18AI\u82af\u7247\uff0c\u5b9e\u73b0\u672c\u5730\u5316\u5f02\u5e38\u8bc6\u522b(\u5982\u56fe\u50cf\u8bc6\u522b\u706b\u707e)\u3002<\/li>\n\n\n\n
- \u3000\u30005G\u4e0e\u4f4e\u529f\u8017\u878d\u5408<\/strong>\uff1a\u652f\u63015G\u9ad8\u901f\u4f20\u8f93\u4e0eNB-IoT\u957f\u7eed\u822a\uff0c\u9002\u7528\u4e8e\u9ad8\u5b9e\u65f6\u6027\u573a\u666f(\u5982\u65e0\u4eba\u673a\u5de1\u68c0)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u8de8\u5e73\u53f0\u517c\u5bb9<\/strong>\uff1aDTU\u5411\u591a\u534f\u8bae\u3001\u5f00\u653e\u5f0fAPI\u53d1\u5c55\uff0c\u9002\u914d\u66f4\u591a\u7b2c\u4e09\u65b9\u4e91\u5e73\u53f0(\u5982AWS IoT\u3001\u963f\u91cc\u4e91)\u3002<\/li>\n<\/ul>\n\n\n\n
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\u3000\u3000DTU<\/strong>(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236\u3001\u901a\u4fe1\u534f\u8bae\u5f71\u54cd\u53ca\u5b9e\u9645\u5e94\u7528\u5efa\u8bae\u7b49\u89d2\u5ea6\u5c55\u5f00\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001DTU\u6a21\u5757\u7684\u786c\u4ef6\u63a5\u53e3\u4e0e\u8bbe\u5907\u8fde\u63a5\u80fd\u529b<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u30001.\u63a5\u53e3\u7c7b\u578b\u4e0e\u6570\u91cf\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000
DTU\u6a21\u5757<\/a>\u7684\u7269\u7406\u63a5\u53e3\u7c7b\u578b\u76f4\u63a5\u5f71\u54cd\u5176\u8fde\u63a5\u8bbe\u5907\u7684\u6570\u91cf\u3002\u6839\u636e\u8d44\u6599\u663e\u793a\uff0cDTU\u5e38\u89c1\u7684\u63a5\u53e3\u5305\u62ec\uff1a<\/p>\n\n\n\n
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- \u3000\u3000I\/O\u63a5\u53e3<\/strong>\uff1a\u7528\u4e8e\u8fde\u63a5\u6570\u5b57\u91cf\u6216\u6a21\u62df\u91cf\u4f20\u611f\u5668\uff0c\u6570\u91cf\u7531\u6a21\u5757\u8bbe\u8ba1\u51b3\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u8bbe\u8ba1\u5dee\u5f02<\/strong><\/h3>\n\n\n\n
\n
- \u3000\u3000\u5355\u4e32\u53e3DTU<\/strong>\uff1a\u4ec5\u652f\u6301\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u573a\u666f\u3002<\/li>\n\n\n\n
- \u3000\u3000\u591a\u4e32\u53e3DTU<\/strong>\uff1a\u4f8b\u5982\u67d0\u4e9b\u578b\u53f7\u652f\u63014\u4e2a\u72ec\u7acb\u4e32\u53e3\uff0c\u53ef\u540c\u65f6\u8fde\u63a54\u53f0\u8bbe\u5907\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5d4c\u5165\u5f0fDTU<\/strong>\uff1a\u53ef\u96c6\u6210\u5230\u8bbe\u5907\u5185\u90e8\uff0c\u901a\u8fc7\u4e3b\u677f\u6269\u5c55\u63a5\u53e3\u6570\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u901a\u4fe1\u534f\u8bae\u4e0e\u5730\u5740\u5206\u914d\u5bf9\u8bbe\u5907\u6570\u91cf\u7684\u5f71\u54cd<\/h2>\n\n\n\n
\u3000\u30001.Modbus\u534f\u8bae\u7684\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6bcf\u4e2a\u4e32\u53e3\u5728Modbus RTU\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u6301247\u4e2a\u4ece\u673a\u8bbe\u5907(\u7406\u8bba\u503c)\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u53d7DTU\u5904\u7406\u80fd\u529b\u3001\u901a\u4fe1\u901f\u7387\u548c\u6570\u636e\u91cf\u9650\u5236\uff0c\u901a\u5e38\u5efa\u8bae\u4e0d\u8d85\u8fc732\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u5730\u5740\u5206\u914d\u539f\u5219<\/strong>\uff1a\u4f8b\u5982G340N\u578b\u53f7\u8981\u6c42\u6309\u201c\u7ec4\u5185\u8bbe\u5907\u6700\u5927\u6570\u201d\u5206\u914d\u5730\u5740\uff0c\u82e5\u8bbe\u7f6e\u4e3a5.\u5219\u6bcf\u4e2aDTU\u6a21\u5757\u6700\u591a\u7ba1\u74065\u53f0\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30002.TCP\/UDP\u534f\u8bae\u4e0e\u7f51\u7edc\u6269\u5c55<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
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\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
\u3000\u3000\u5907\u7528\u7535\u6c60<\/strong>\uff1a\u4f5c\u4e3a\u4e3b\u7535\u6e90\u7684\u8865\u5145\uff0c\u53ef\u5728\u65ad\u7535\u65f6\u63d0\u4f9b24\u5c0f\u65f6\u4ee5\u4e0a\u7684\u7eed\u822a\u80fd\u529b\uff0c\u5e76\u914d\u5907\u4f4e\u7535\u538b\u544a\u8b66\u548c\u4fdd\u62a4\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30005. \u521b\u65b0\u4f9b\u7535\u65b9\u6848<\/strong><\/h3>\n\n\n\n\u3000\u3000\u96c6\u6210\u5f0f\u4f9b\u7535<\/strong>\uff1a\u5982\u4e13\u5229CN 119298611 A\u63d0\u51fa\u7684\u65b9\u6848\uff0c\u901a\u8fc7\u9006\u53d8\u5668\u4e3b\u677f\u76f4\u63a5\u4e3a\u5fae\u578bDTU\u4f9b\u7535\uff0c\u7b80\u5316\u4e86\u7535\u6e90\u8fde\u63a5\u6d41\u7a0b\uff0c\u63d0\u5347\u4e86\u6237\u5916\u5b89\u88c5\u4fbf\u5229\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u4f9b\u7535\u8bbe\u8ba1\u7684\u6838\u5fc3\u8981\u6c42<\/strong><\/h2>\n\n\n\n
\n
- \u3000\u3000\u7a33\u5b9a\u6027<\/strong>\uff1aDTU\u7684\u7535\u6e90\u9700\u63d0\u4f9b\u7a33\u5b9a\u7535\u538b\u548c\u7535\u6d41\uff0c\u907f\u514d\u56e0\u7535\u538b\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u4e2d\u65ad\u6216\u786c\u4ef6\u635f\u574f(\u5982\u5f3a\u8c03\u76f4\u6d41\u4f9b\u7535\u7684\u7eb9\u6ce2\u63a7\u5236)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5197\u4f59\u6027<\/strong>\uff1a\u5173\u952e\u573a\u666f(\u5982\u7535\u529b\u7cfb\u7edf)\u9700\u91c7\u7528\u53cc\u7535\u6e90\u6216\u5907\u7528\u7535\u6c60\u8bbe\u8ba1\uff0c\u786e\u4fdd\u4f9b\u7535\u8fde\u7eed\u6027\u3002<\/li>\n\n\n\n
- \u3000\u3000\u9002\u5e94\u6027<\/strong>\uff1a\u9700\u517c\u5bb9\u5bbd\u7535\u538b\u8f93\u5165\u8303\u56f4(\u59827-32V)\uff0c\u5e76\u5177\u5907\u9632\u96f7\u51fb\u3001\u6297\u6d6a\u6d8c\u7b49\u4fdd\u62a4\u529f\u80fd\uff0c\u4ee5\u5e94\u5bf9\u590d\u6742\u5de5\u4e1a\u73af\u5883\u3002<\/li>\n\n\n\n
- \u3000\u3000\u80fd\u6548\u7ba1\u7406<\/strong>\uff1a\u4f4e\u529f\u8017\u8bbe\u8ba1\u53ef\u5ef6\u957f\u7535\u6c60\u5bff\u547d\uff0c\u4f8b\u5982\u901a\u8fc7\u4f11\u7720\u6a21\u5f0f\u964d\u4f4e\u5f85\u673a\u529f\u8017\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u56db\u3001\u4f9b\u7535\u53c2\u6570\u793a\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000\u4ee5\u67d0\u5de5\u4e1a\u7ea7DTU(\u53a6\u95e8\u624d\u8302CM510-76F)\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u7535\u538b<\/strong>\uff1a+9VDC\/1.5A(\u652f\u63017-32V\u5bbd\u8303\u56f4\u8f93\u5165)\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u5fc5\u987b\u4f9b\u7535\uff0c\u5176\u4f9b\u7535\u65b9\u5f0f\u9700\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u9009\u62e9\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9ad8\u53ef\u9760\u6027\u573a\u666f<\/strong>(\u5982\u7535\u529b\u7cfb\u7edf)\uff1a\u63a8\u8350\u76f4\u6d41\u4f9b\u7535+\u5907\u7528\u7535\u6c60\u65b9\u6848\u3002<\/p>\n\n\n\n
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\u3000\u3000
DTU<\/a><\/strong>(Data Transfer Unit\uff0c\u6570\u636e\u4f20\u8f93\u5355\u5143)\u4f5c\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u6838\u5fc3\u8bbe\u5907\uff0c\u5728\u8fdc\u7a0b\u76d1\u63a7\u4e0e\u62a5\u8b66\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u7cfb\u7edf\u67b6\u6784\u3001\u5e94\u7528\u573a\u666f\u53ca\u5b9e\u9645\u6848\u4f8b\u7b49\u7ef4\u5ea6\u8fdb\u884c\u8be6\u7ec6\u9610\u8ff0\uff1a<\/p>\n\n\n\n\u3000\u3000\u4e00\u3001DTU\u5728\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u529f\u80fd<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u3000\u5f02\u5e38\u68c0\u6d4b<\/strong>\uff1a\u901a\u8fc7Z\u5206\u6570\u3001ARIMA\u6a21\u578b\u7b49\u7edf\u8ba1\u65b9\u6cd5\u8bc6\u522b\u6570\u636e\u6ce2\u52a8\u5f02\u5e38\u3002<\/p>\n\n\n\n
\u3000\u30003.\u5b89\u5168\u4e0e\u7a33\u5b9a\u6027\u4fdd\u969c<\/strong><\/h3>\n\n\n\n\u3000\u3000DTU\u652f\u6301TLS\/SSL\u52a0\u5bc6\u4f20\u8f93\u3001\u8eab\u4efd\u9a8c\u8bc1\u53ca\u5197\u4f59\u5907\u4efd\uff0c\u9632\u6b62\u6570\u636e\u7be1\u6539\u6216\u4e22\u5931\u3002\u5185\u7f6e\u7535\u6e90\u7ba1\u7406\u6a21\u5757\u53ef\u5728\u65ad\u7535\u65f6\u7ef4\u6301\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u7684\u57fa\u672c\u6d41\u7a0b<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
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\n
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<\/figure>\n\n\n\n
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DTU\u6a21\u5757<\/a>\u7684\u7269\u7406\u63a5\u53e3\u7c7b\u578b\u76f4\u63a5\u5f71\u54cd\u5176\u8fde\u63a5\u8bbe\u5907\u7684\u6570\u91cf\u3002\u6839\u636e\u8d44\u6599\u663e\u793a\uff0cDTU\u5e38\u89c1\u7684\u63a5\u53e3\u5305\u62ec\uff1a<\/p>\n\n\n\n
\n
- \u3000\u3000\u4e32\u53e3\u63a5\u53e3<\/strong>\uff1aRS232\u3001RS485\u3001RS422\u7b49\uff0c\u6bcf\u4e2a\u4e32\u53e3\u901a\u5e38\u53ea\u80fd\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907(\u70b9\u5bf9\u70b9\u901a\u4fe1)\u3002\u4f46\u901a\u8fc7\u4e32\u53e3\u6269\u5c55\u5668\u6216\u603b\u7ebf\u62d3\u6251(\u5982RS485\u7684\u591a\u8bbe\u5907\u5e76\u8054)\uff0c\u5355\u4e2a\u4e32\u53e3\u7406\u8bba\u4e0a\u53ef\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u4f46\u9700\u6ce8\u610f\u5730\u5740\u5206\u914d\u548c\u901a\u4fe1\u51b2\u7a81\u95ee\u9898\u3002<\/li>\n\n\n\n
- \u3000\u3000\u4ee5\u592a\u7f51\u63a5\u53e3<\/strong>\uff1a\u652f\u6301\u901a\u8fc7\u4ea4\u6362\u673a\u6216\u8def\u7531\u5668\u6269\u5c55\u8fde\u63a5\u66f4\u591a\u8bbe\u5907\uff0c\u53d7\u9650\u4e8e\u7f51\u7edc\u5e26\u5bbd\u548c\u6a21\u5757\u5904\u7406\u80fd\u529b\u3002<\/li>\n\n\n\n
- \u3000\u3000I\/O\u63a5\u53e3<\/strong>\uff1a\u7528\u4e8e\u8fde\u63a5\u6570\u5b57\u91cf\u6216\u6a21\u62df\u91cf\u4f20\u611f\u5668\uff0c\u6570\u91cf\u7531\u6a21\u5757\u8bbe\u8ba1\u51b3\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u30002.\u786c\u4ef6\u8bbe\u8ba1\u5dee\u5f02<\/strong><\/h3>\n\n\n\n
\n
- \u3000\u3000\u5355\u4e32\u53e3DTU<\/strong>\uff1a\u4ec5\u652f\u6301\u8fde\u63a5\u4e00\u4e2a\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u573a\u666f\u3002<\/li>\n\n\n\n
- \u3000\u3000\u591a\u4e32\u53e3DTU<\/strong>\uff1a\u4f8b\u5982\u67d0\u4e9b\u578b\u53f7\u652f\u63014\u4e2a\u72ec\u7acb\u4e32\u53e3\uff0c\u53ef\u540c\u65f6\u8fde\u63a54\u53f0\u8bbe\u5907\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5d4c\u5165\u5f0fDTU<\/strong>\uff1a\u53ef\u96c6\u6210\u5230\u8bbe\u5907\u5185\u90e8\uff0c\u901a\u8fc7\u4e3b\u677f\u6269\u5c55\u63a5\u53e3\u6570\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u901a\u4fe1\u534f\u8bae\u4e0e\u5730\u5740\u5206\u914d\u5bf9\u8bbe\u5907\u6570\u91cf\u7684\u5f71\u54cd<\/h2>\n\n\n\n
\u3000\u30001.Modbus\u534f\u8bae\u7684\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6bcf\u4e2a\u4e32\u53e3\u5728Modbus RTU\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u6301247\u4e2a\u4ece\u673a\u8bbe\u5907(\u7406\u8bba\u503c)\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u53d7DTU\u5904\u7406\u80fd\u529b\u3001\u901a\u4fe1\u901f\u7387\u548c\u6570\u636e\u91cf\u9650\u5236\uff0c\u901a\u5e38\u5efa\u8bae\u4e0d\u8d85\u8fc732\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u5730\u5740\u5206\u914d\u539f\u5219<\/strong>\uff1a\u4f8b\u5982G340N\u578b\u53f7\u8981\u6c42\u6309\u201c\u7ec4\u5185\u8bbe\u5907\u6700\u5927\u6570\u201d\u5206\u914d\u5730\u5740\uff0c\u82e5\u8bbe\u7f6e\u4e3a5.\u5219\u6bcf\u4e2aDTU\u6a21\u5757\u6700\u591a\u7ba1\u74065\u53f0\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30002.TCP\/UDP\u534f\u8bae\u4e0e\u7f51\u7edc\u6269\u5c55<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u4e8c\u3001DTU\u6a21\u5757\u7684\u4f9b\u7535\u65b9\u5f0f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u8bbe\u8ba1\u9700\u6c42\uff0cDTU\u7684\u4f9b\u7535\u65b9\u5f0f\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u76f4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u91c7\u7528\u76f4\u6d41\u7535\u6e90(\u598224V\u300148V\u7b49)\uff0c\u5177\u6709\u7535\u538b\u7a33\u5b9a\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u80fd\u6548\u6bd4\u9ad8\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u7535\u529b\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9ad8\u53ef\u9760\u6027\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a\u5728\u914d\u7535\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u8fc7\u76f4\u6d41\u7535\u6e90\u4e0e\u5907\u7528\u7535\u6c60\u7ed3\u5408\uff0c\u786e\u4fdd\u5728\u4e3b\u7535\u6e90\u6545\u969c\u65f6\u4ecd\u80fd\u6301\u7eed\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u3000\u30002. \u4ea4\u6d41\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u901a\u8fc7\u4ea4\u6d41\u7535\u6e90(\u5982\u5e02\u7535)\u4f9b\u7535\uff0c\u9700\u5185\u90e8\u6574\u6d41\u7535\u8def\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u3002\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u5b58\u5728\u7535\u538b\u6ce2\u52a8\u548c\u7eb9\u6ce2\u8f83\u5927\u7684\u7f3a\u70b9\uff0c\u9002\u5408\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f(\u5982\u73af\u4fdd\u76d1\u6d4b)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u8bbe\u8ba1<\/strong>\uff1a\u90e8\u5206\u7cfb\u7edf\u91c7\u7528\u201c\u4e3b\u4ea4\u6d41\u7535\u6e90+\u5907\u7528\u7535\u6c60\u201d\u67b6\u6784\uff0c\u4ee5\u63d0\u5347\u4f9b\u7535\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u7535\u6c60\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u72ec\u7acb\u7535\u6c60<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u56fa\u5b9a\u7535\u6e90\u7684\u573a\u5408(\u5982\u91ce\u5916\u76d1\u6d4b)\uff0c\u901a\u8fc7\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60(\u5982\u94c5\u9178\u7535\u6c60\u3001\u9502\u7535\u6c60)\u4f9b\u7535\u3002\u4f8b\u5982\uff0c\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b\u7cfb\u7edf\u91c7\u7528\u7535\u6c60\u4e0e\u592a\u9633\u80fd\u677f\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u957f\u671f\u8fd0\u884c\u3002<\/p>\n\n\n\n
\u3000\u3000\u5907\u7528\u7535\u6c60<\/strong>\uff1a\u4f5c\u4e3a\u4e3b\u7535\u6e90\u7684\u8865\u5145\uff0c\u53ef\u5728\u65ad\u7535\u65f6\u63d0\u4f9b24\u5c0f\u65f6\u4ee5\u4e0a\u7684\u7eed\u822a\u80fd\u529b\uff0c\u5e76\u914d\u5907\u4f4e\u7535\u538b\u544a\u8b66\u548c\u4fdd\u62a4\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u30004. \u592a\u9633\u80fd\u4f9b\u7535<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7279\u70b9<\/strong>\uff1a\u73af\u4fdd\u8282\u80fd\uff0c\u9002\u7528\u4e8e\u504f\u8fdc\u5730\u533a\u6216\u7535\u7f51\u8986\u76d6\u4e0d\u8db3\u7684\u573a\u666f(\u5982\u8f93\u7535\u7ebf\u8def\u8986\u51b0\u76d1\u6d4b)\u3002\u901a\u8fc7\u592a\u9633\u80fd\u677f\u4e0e\u84c4\u7535\u6c60\u7ed3\u5408\uff0c\u5b9e\u73b0\u81ea\u7ed9\u81ea\u8db3\u7684\u4f9b\u7535\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30005. \u521b\u65b0\u4f9b\u7535\u65b9\u6848<\/strong><\/h3>\n\n\n\n\u3000\u3000\u96c6\u6210\u5f0f\u4f9b\u7535<\/strong>\uff1a\u5982\u4e13\u5229CN 119298611 A\u63d0\u51fa\u7684\u65b9\u6848\uff0c\u901a\u8fc7\u9006\u53d8\u5668\u4e3b\u677f\u76f4\u63a5\u4e3a\u5fae\u578bDTU\u4f9b\u7535\uff0c\u7b80\u5316\u4e86\u7535\u6e90\u8fde\u63a5\u6d41\u7a0b\uff0c\u63d0\u5347\u4e86\u6237\u5916\u5b89\u88c5\u4fbf\u5229\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u4f9b\u7535\u8bbe\u8ba1\u7684\u6838\u5fc3\u8981\u6c42<\/strong><\/h2>\n\n\n\n
\n
- \u3000\u3000\u7a33\u5b9a\u6027<\/strong>\uff1aDTU\u7684\u7535\u6e90\u9700\u63d0\u4f9b\u7a33\u5b9a\u7535\u538b\u548c\u7535\u6d41\uff0c\u907f\u514d\u56e0\u7535\u538b\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u4e2d\u65ad\u6216\u786c\u4ef6\u635f\u574f(\u5982\u5f3a\u8c03\u76f4\u6d41\u4f9b\u7535\u7684\u7eb9\u6ce2\u63a7\u5236)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u5197\u4f59\u6027<\/strong>\uff1a\u5173\u952e\u573a\u666f(\u5982\u7535\u529b\u7cfb\u7edf)\u9700\u91c7\u7528\u53cc\u7535\u6e90\u6216\u5907\u7528\u7535\u6c60\u8bbe\u8ba1\uff0c\u786e\u4fdd\u4f9b\u7535\u8fde\u7eed\u6027\u3002<\/li>\n\n\n\n
- \u3000\u3000\u9002\u5e94\u6027<\/strong>\uff1a\u9700\u517c\u5bb9\u5bbd\u7535\u538b\u8f93\u5165\u8303\u56f4(\u59827-32V)\uff0c\u5e76\u5177\u5907\u9632\u96f7\u51fb\u3001\u6297\u6d6a\u6d8c\u7b49\u4fdd\u62a4\u529f\u80fd\uff0c\u4ee5\u5e94\u5bf9\u590d\u6742\u5de5\u4e1a\u73af\u5883\u3002<\/li>\n\n\n\n
- \u3000\u3000\u80fd\u6548\u7ba1\u7406<\/strong>\uff1a\u4f4e\u529f\u8017\u8bbe\u8ba1\u53ef\u5ef6\u957f\u7535\u6c60\u5bff\u547d\uff0c\u4f8b\u5982\u901a\u8fc7\u4f11\u7720\u6a21\u5f0f\u964d\u4f4e\u5f85\u673a\u529f\u8017\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u56db\u3001\u4f9b\u7535\u53c2\u6570\u793a\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000\u4ee5\u67d0\u5de5\u4e1a\u7ea7DTU(\u53a6\u95e8\u624d\u8302CM510-76F)\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u7535\u538b<\/strong>\uff1a+9VDC\/1.5A(\u652f\u63017-32V\u5bbd\u8303\u56f4\u8f93\u5165)\u3002<\/p>\n\n\n\n
\u3000\u3000\u77ac\u65f6\u7535\u6d41\u9700\u6c42<\/strong>\uff1a\u767b\u7f51\u77ac\u95f4\u7535\u6d41\u53ef\u80fd\u8d85\u8fc71A\uff0c\u9700\u786e\u4fdd\u7535\u6e90\u9002\u914d\u5668\u5bb9\u91cf\u5145\u8db3\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/strong><\/h2>\n\n\n\n\u3000\u3000DTU\u6a21\u5757\u5fc5\u987b\u4f9b\u7535\uff0c\u5176\u4f9b\u7535\u65b9\u5f0f\u9700\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u9009\u62e9\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9ad8\u53ef\u9760\u6027\u573a\u666f<\/strong>(\u5982\u7535\u529b\u7cfb\u7edf)\uff1a\u63a8\u8350\u76f4\u6d41\u4f9b\u7535+\u5907\u7528\u7535\u6c60\u65b9\u6848\u3002<\/p>\n\n\n\n
\u3000\u3000\u79fb\u52a8\u6216\u504f\u8fdc\u573a\u666f<\/strong>\uff1a\u53ef\u91c7\u7528\u7535\u6c60\u6216\u592a\u9633\u80fd\u4f9b\u7535\u3002<\/p>\n\n\n\n
\u3000\u3000\u521b\u65b0\u65b9\u6848<\/strong>\uff1a\u901a\u8fc7\u96c6\u6210\u5316\u8bbe\u8ba1(\u5982\u9006\u53d8\u5668\u4e3b\u677f\u4f9b\u7535)\u7b80\u5316\u5b89\u88c5\u548c\u7ef4\u62a4\u3002<\/p>\n\n\n\n
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\u3000\u3000\u52a8\u6001\u9608\u503c\u7b97\u6cd5<\/strong>\uff1a\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u5206\u6790\u5386\u53f2\u6570\u636e\uff0c\u81ea\u52a8\u8c03\u6574\u9608\u503c\u4ee5\u51cf\u5c11\u8bef\u62a5\u7387(\u4f8b\u5982\u963f\u91cc\u4e91CloudMonitor\u7684\u52a8\u6001\u9608\u503c\u529f\u80fd\u53ef\u964d\u4f4e80%-90%\u8bef\u62a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u5f02\u5e38\u68c0\u6d4b<\/strong>\uff1a\u901a\u8fc7Z\u5206\u6570\u3001ARIMA\u6a21\u578b\u7b49\u7edf\u8ba1\u65b9\u6cd5\u8bc6\u522b\u6570\u636e\u6ce2\u52a8\u5f02\u5e38\u3002<\/p>\n\n\n\n
\u3000\u30003.\u5b89\u5168\u4e0e\u7a33\u5b9a\u6027\u4fdd\u969c<\/strong><\/h3>\n\n\n\n\u3000\u3000DTU\u652f\u6301TLS\/SSL\u52a0\u5bc6\u4f20\u8f93\u3001\u8eab\u4efd\u9a8c\u8bc1\u53ca\u5197\u4f59\u5907\u4efd\uff0c\u9632\u6b62\u6570\u636e\u7be1\u6539\u6216\u4e22\u5931\u3002\u5185\u7f6e\u7535\u6e90\u7ba1\u7406\u6a21\u5757\u53ef\u5728\u65ad\u7535\u65f6\u7ef4\u6301\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u76d1\u63a7\u62a5\u8b66\u7cfb\u7edf\u7684\u57fa\u672c\u6d41\u7a0b<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\n
- \u3000\u3000\u6570\u636e\u91c7\u96c6<\/strong>\uff1aDTU\u4ece\u4f20\u611f\u5668\u6216PLC\u83b7\u53d6\u8bbe\u5907\u72b6\u6001\u6570\u636e\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u751f\u6210<\/strong>\uff1a\u76d1\u63a7\u5e73\u53f0\u6839\u636e\u9884\u8bbe\u89c4\u5219(\u9608\u503c\u3001\u884c\u4e3a\u6a21\u5f0f)\u751f\u6210\u62a5\u8b66\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
- \u3000\u3000\u62a5\u8b66\u901a\u77e5<\/strong>\uff1a\u901a\u8fc7\u77ed\u4fe1\u3001\u90ae\u4ef6\u3001\u5f39\u7a97\u7b49\u65b9\u5f0f\u5206\u7ea7\u63a8\u9001\u81f3\u76f8\u5173\u4eba\u5458\u3002<\/li>\n\n\n\n
- \u3000\u3000\u8054\u52a8\u54cd\u5e94<\/strong>\uff1a\u89e6\u53d1\u81ea\u52a8\u5316\u8fd0\u7ef4\u4efb\u52a1(\u5982\u8bbe\u5907\u91cd\u542f)\u6216\u4eba\u5de5\u4ecb\u5165\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n
\u3000\u30001.\u7535\u529b\u7cfb\u7edf<\/strong><\/h3>\n\n\n\n\u3000\u3000\u53d8\u7535\u7ad9\u76d1\u63a7<\/strong>\uff1aDTU\u91c7\u96c6\u5f00\u5173\u67dc\u7684\u7535\u6d41\u3001\u7535\u538b\u6570\u636e\uff0c\u5b9e\u65f6\u68c0\u6d4b\u77ed\u8def\u6216\u8fc7\u8f7d\u6545\u969c\uff0c\u89e6\u53d1\u62a5\u8b66\u5e76\u9694\u79bb\u6545\u969c\u533a\u57df\u3002<\/p>\n\n\n\n
\u3000\u3000\u8f93\u7535\u7ebf\u8def\u76d1\u6d4b<\/strong>\uff1a\u901a\u8fc7GPRS DTU\u5b9e\u73b0\u9ad8\u538b\u7ebf\u8def\u7684\u6e29\u6e7f\u5ea6\u3001\u632f\u52a8\u6570\u636e\u8fdc\u7a0b\u4f20\u8f93\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u53d1\u9001\u5b9a\u4f4d\u62a5\u8b66\u3002<\/p>\n\n\n\n
\u3000\u30002.\u73af\u4fdd\u4e0e\u80fd\u6e90\u7ba1\u7406<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6c61\u67d3\u6e90\u76d1\u63a7<\/strong>\uff1aDTU\u8fde\u63a5\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u4e0a\u4f20\u5316\u5b66\u9700\u6c27\u91cf(COD)\u6570\u636e\uff0c\u8d85\u6807\u65f6\u63a8\u9001\u62a5\u8b66\u81f3\u73af\u4fdd\u90e8\u95e8\u3002<\/p>\n\n\n\n
\u3000\u3000\u77f3\u6cb9\u7ba1\u7ebf\u76d1\u6d4b<\/strong>\uff1aDTU\u68c0\u6d4b\u7ba1\u9053\u538b\u529b\u5f02\u5e38\uff0c\u901a\u8fc7\u77ed\u4fe1\u901a\u77e5\u7ef4\u62a4\u56e2\u961f\uff0c\u7ed3\u5408GIS\u5b9a\u4f4d\u5feb\u901f\u4fee\u590d\u6cc4\u6f0f\u70b9\u3002<\/p>\n\n\n\n
\u3000\u30003.\u667a\u6167\u519c\u4e1a<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cae\u4ed3\u6e29\u6e7f\u5ea6\u76d1\u63a7<\/strong>\uff1a\u57fa\u4e8e4G DTU\u7684\u7cfb\u7edf\u6bcf5\u5206\u949f\u4e0a\u4f20\u6570\u636e\uff0c\u6e7f\u5ea6\u8d85\u9650\u65f6\u542f\u52a8\u58f0\u5149\u62a5\u8b66\u5e76\u77ed\u4fe1\u901a\u77e5\u7ba1\u7406\u5458\u3002<\/p>\n\n\n\n
\u3000\u3000\u519c\u7530\u6c14\u8c61\u7ad9<\/strong>\uff1aDTU\u4f20\u8f93\u98ce\u901f\u3001\u964d\u96e8\u91cf\u6570\u636e\uff0c\u7ed3\u5408\u52a8\u6001\u9608\u503c\u9884\u6d4b\u707e\u5bb3(\u5982\u66b4\u96e8)\uff0c\u63d0\u524d\u89e6\u53d1\u6392\u6c34\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u30004.\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u751f\u4ea7\u7ebf\u6545\u969c\u9884\u8b66<\/strong>\uff1aDTU\u4e0ePLC\u8054\u52a8\uff0c\u5b9e\u65f6\u76d1\u6d4b\u8bbe\u5907\u632f\u52a8\u9891\u7387\uff0c\u5f02\u5e38\u65f6\u81ea\u52a8\u505c\u673a\u5e76\u63a8\u9001\u7ef4\u4fee\u5de5\u5355\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u623f\u73af\u5883\u76d1\u63a7<\/strong>\uff1a\u53f0\u5317\u5e02\u91c7\u7528AD7028W DTU\u6a21\u5757\u96c6\u62105G\u901a\u4fe1\uff0c\u7edf\u4e00\u76d1\u63a7UPS\u3001\u6d88\u9632\u7b49\u5b50\u7cfb\u7edf\uff0c\u77ed\u4fe1\u62a5\u8b66\u54cd\u5e94\u65f6\u95f4\u5c0f\u4e8e3\u79d2\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u6280\u672f\u5b9e\u73b0\u8981\u70b9<\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u30001.\u901a\u4fe1\u534f\u8bae\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000DTU\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u534f\u8bae\uff0c\u9002\u914d90%\u4ee5\u4e0a\u7684\u5de5\u4e1a\u8bbe\u5907\u3002\u4f8b\u5982\uff0c\u529b\u63a7\u7ec4\u6001\u8f6f\u4ef6\u901a\u8fc7Modbus RTU\u4e0eDTU\u5b9e\u73b0\u6570\u636e\u900f\u4f20\u3002<\/p>\n\n\n\n
\u3000\u30002.\u4e91\u7aef\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u878d\u5408<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8fb9\u7f18\u9884\u5904\u7406<\/strong>\uff1aDTU\u5185\u7f6e\u7b97\u6cd5\u8fc7\u6ee4\u566a\u58f0\u6570\u636e\uff0c\u4ec5\u4e0a\u4f20\u6709\u6548\u4fe1\u606f\u4ee5\u51cf\u5c11\u5e26\u5bbd\u5360\u7528\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e91\u7aef\u5206\u6790<\/strong>\uff1a\u76d1\u63a7\u5e73\u53f0\u5229\u7528\u5927\u6570\u636e\u5206\u6790\u5386\u53f2\u8d8b\u52bf\uff0c\u4f18\u5316\u62a5\u8b66\u89c4\u5219(\u5982\u5468\u671f\u6027\u8d1f\u8f7d\u8c03\u6574)\u3002<\/p>\n\n\n\n
\u3000\u30003.\u591a\u7ea7\u62a5\u8b66\u7b56\u7565<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6839\u636e\u4e8b\u4ef6\u4e25\u91cd\u6027\u5206\u7ea7\u54cd\u5e94\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u7ea7<\/strong>\uff1a\u8bb0\u5f55\u65e5\u5fd7\u5e76\u90ae\u4ef6\u901a\u77e5(\u5982\u8bbe\u5907\u8f7b\u5fae\u6ce2\u52a8)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9ad8\u7ea7<\/strong>\uff1a\u89e6\u53d1\u73b0\u573a\u58f0\u5149\u62a5\u8b66\u5e76\u8054\u52a8\u5e94\u6025\u7535\u6e90\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u5b9e\u9645\u6848\u4f8b\u89e3\u6790<\/h2>\n\n\n\n\u3000\u3000\u6848\u4f8b1\uff1a\u57ce\u5e02\u4f9b\u6c34\u7ba1\u7f51\u76d1\u6d4b<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cfb\u7edf\u67b6\u6784<\/strong>\uff1a\u6bcf\u4e2a\u4e95\u5185\u5b89\u88c5\u538b\u529b\u4f20\u611f\u5668+DTU\uff0c\u6570\u636e\u901a\u8fc7GPRS\u4e0a\u4f20\u81f3\u76d1\u63a7\u4e2d\u5fc3\u3002<\/p>\n\n\n\n
\u3000\u3000\u62a5\u8b66\u673a\u5236<\/strong>\uff1a\u538b\u529b\u9aa4\u964d\u65f6\uff0cDTU\u89e6\u53d1\u77ed\u4fe1\u62a5\u8b66\u5e76\u6807\u8bb0\u6cc4\u6f0f\u70b9\uff0c\u7ef4\u4fee\u54cd\u5e94\u65f6\u95f4\u7f29\u77ed\u81f330\u5206\u949f\u5185\u3002<\/p>\n\n\n\n
\u3000\u3000\u6848\u4f8b2\uff1a\u667a\u80fd\u4ea4\u901a\u5145\u7535\u6869<\/strong><\/h3>\n\n\n\n\u3000\u3000\u529f\u80fd\u5b9e\u73b0<\/strong>\uff1a4G DTU\u5b9e\u65f6\u4e0a\u4f20\u5145\u7535\u6869\u72b6\u6001(\u7535\u538b\u3001\u7535\u6d41)\uff0c\u8fc7\u8f7d\u65f6\u8fdc\u7a0b\u5207\u65ad\u7535\u6e90\u5e76\u901a\u77e5\u8fd0\u7ef4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6548\u76ca<\/strong>\uff1a\u6545\u969c\u5904\u7406\u6548\u7387\u63d0\u534760%\uff0c\u907f\u514d\u706b\u707e\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u516d\u3001\u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/h2>\n\n\n\n
\n
- \u3000\u3000AI\u6df1\u5ea6\u96c6\u6210<\/strong>\uff1aDTU\u5c06\u5d4c\u5165\u8fb9\u7f18AI\u82af\u7247\uff0c\u5b9e\u73b0\u672c\u5730\u5316\u5f02\u5e38\u8bc6\u522b(\u5982\u56fe\u50cf\u8bc6\u522b\u706b\u707e)\u3002<\/li>\n\n\n\n
- \u3000\u30005G\u4e0e\u4f4e\u529f\u8017\u878d\u5408<\/strong>\uff1a\u652f\u63015G\u9ad8\u901f\u4f20\u8f93\u4e0eNB-IoT\u957f\u7eed\u822a\uff0c\u9002\u7528\u4e8e\u9ad8\u5b9e\u65f6\u6027\u573a\u666f(\u5982\u65e0\u4eba\u673a\u5de1\u68c0)\u3002<\/li>\n\n\n\n
- \u3000\u3000\u8de8\u5e73\u53f0\u517c\u5bb9<\/strong>\uff1aDTU\u5411\u591a\u534f\u8bae\u3001\u5f00\u653e\u5f0fAPI\u53d1\u5c55\uff0c\u9002\u914d\u66f4\u591a\u7b2c\u4e09\u65b9\u4e91\u5e73\u53f0(\u5982AWS IoT\u3001\u963f\u91cc\u4e91)\u3002<\/li>\n<\/ul>\n\n\n\n
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4\u53f0<\/td>
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\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,433],"class_list":["post-102954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-dtumodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102954"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions"}],"predecessor-version":[{"id":102955,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions\/102955"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102954"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102951,"date":"2025-04-17T16:13:23","date_gmt":"2025-04-17T08:13:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=102951"},"modified":"2025-04-17T16:13:27","modified_gmt":"2025-04-17T08:13:27","slug":"ldssm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102951.html","title":{"rendered":"LORa DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
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\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
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\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
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\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
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\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
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\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
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\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u901a\u4fe1\u534f\u8bae\u4e0e\u5730\u5740\u5206\u914d\u5bf9\u8bbe\u5907\u6570\u91cf\u7684\u5f71\u54cd<\/h2>\n\n\n\n
\u3000\u30001.Modbus\u534f\u8bae\u7684\u9650\u5236<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6bcf\u4e2a\u4e32\u53e3\u5728Modbus RTU\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u6301247\u4e2a\u4ece\u673a\u8bbe\u5907(\u7406\u8bba\u503c)\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u53d7DTU\u5904\u7406\u80fd\u529b\u3001\u901a\u4fe1\u901f\u7387\u548c\u6570\u636e\u91cf\u9650\u5236\uff0c\u901a\u5e38\u5efa\u8bae\u4e0d\u8d85\u8fc732\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u5730\u5740\u5206\u914d\u539f\u5219<\/strong>\uff1a\u4f8b\u5982G340N\u578b\u53f7\u8981\u6c42\u6309\u201c\u7ec4\u5185\u8bbe\u5907\u6700\u5927\u6570\u201d\u5206\u914d\u5730\u5740\uff0c\u82e5\u8bbe\u7f6e\u4e3a5.\u5219\u6bcf\u4e2aDTU\u6a21\u5757\u6700\u591a\u7ba1\u74065\u53f0\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u30002.TCP\/UDP\u534f\u8bae\u4e0e\u7f51\u7edc\u6269\u5c55<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u4ee5\u592a\u7f51\u6a21\u5f0f\u4e0b\uff0cDTU\u4f5c\u4e3aTCP\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\uff0c\u53ef\u901a\u8fc7\u7f51\u7edc\u5c42\u6269\u5c55\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002\u4f8b\u5982\u67d0\u7cfb\u7edf\u8bbe\u7f6e\u4e2d\uff0cDTU\u7684\u6700\u5927\u8fde\u63a5\u6570\u53ef\u8fbe100\u53f0\u3002<\/p>\n\n\n\n
\u3000\u3000\u82e5\u91c7\u7528LoRa\u6216WiFi\u7b49\u65e0\u7ebf\u534f\u8bae\uff0c\u8fde\u63a5\u6570\u91cf\u53d7\u6a21\u5757\u5e76\u53d1\u5904\u7406\u80fd\u529b\u9650\u5236\uff0c\u4f8b\u5982\u67d0AP\u6a21\u5f0f\u4e0b\u6700\u591a\u652f\u63013\u4e2aSTATION\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u5178\u578b\u578b\u53f7\u4e0e\u54c1\u724c\u7684\u5b9e\u9645\u9650\u5236<\/h2>\n\n\n\n
\u3000\u30001.\u666e\u901aDTU\u6a21\u5757<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5927\u591a\u6570\u57fa\u7840\u578b\u53f7(\u5982\u5355\u4e32\u53e3DTU)\u4ec5\u652f\u63011\u53f0\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e32\u53e3\u578b\u53f7(\u59824\u4e32\u53e3DTU)\u53ef\u8fde\u63a54\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73b0\u573a\u7684\u591a\u4f20\u611f\u5668\u91c7\u96c6\u3002<\/p>\n\n\n\n
\u3000\u30002.\u9ad8\u7aef\u578b\u53f7\u4e0e\u6269\u5c55\u80fd\u529b<\/strong><\/h3>\n\n\n\n\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,433],"class_list":["post-102954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-dtumodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102954"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions"}],"predecessor-version":[{"id":102955,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102954\/revisions\/102955"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102954"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102951,"date":"2025-04-17T16:13:23","date_gmt":"2025-04-17T08:13:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=102951"},"modified":"2025-04-17T16:13:27","modified_gmt":"2025-04-17T08:13:27","slug":"ldssm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102951.html","title":{"rendered":"LORa DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
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\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
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\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
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\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
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\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000G340N\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u5730\u5740\u5206\u914d\u673a\u5236\uff0c\u652f\u6301\u5355\u6a21\u5757\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5177\u4f53\u6570\u91cf\u7531\u7ec4\u5185\u6700\u5927\u8bbe\u5907\u6570\u53c2\u6570\u8bbe\u5b9a(\u4f8b\u59825\u6216\u66f4\u9ad8)\u3002<\/p>\n\n\n\n
\u3000\u3000HIM-800 PRO\u7cfb\u5217<\/strong>\uff1a\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u53ef\u8fde\u63a5\u591a\u8fbe49\u53f0\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u5206\u5e03\u5f0f\u80fd\u6e90\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u5efa\u8bae<\/h2>\n\n\n\n\u3000\u30001.\u6269\u5c55\u8fde\u63a5\u6570\u91cf\u7684\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
\u3000\u3000\u7efc\u4e0a\uff0cLORa DTU\u51ed\u501f\u5176\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\uff0c\u5c24\u5176\u5728\u590d\u6742\u5de5\u4e1a\u73af\u5883\u548c\u5e7f\u57df\u8986\u76d6\u573a\u666f\u4e2d\u5177\u6709\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LORa DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[59,54],"class_list":["post-102951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=102951"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions"}],"predecessor-version":[{"id":102952,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/102951\/revisions\/102952"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=102951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=102951"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=102951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":102949,"date":"2025-04-17T15:52:09","date_gmt":"2025-04-17T07:52:09","guid":{"rendered":"\/\/www.viralrail.com\/?p=102949"},"modified":"2025-04-17T15:52:16","modified_gmt":"2025-04-17T07:52:16","slug":"lymzcsff","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/102949.html","title":{"rendered":"\u84dd\u7259\u6a21\u7ec4\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"\n
\u3000\u3000\u4ee5\u4e0b\u662f\u84dd\u7259\u6a21\u7ec4<\/strong>\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u6db5\u76d6\u529f\u80fd\u9a8c\u8bc1\u3001\u6027\u80fd\u6307\u6807\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5\u53ca\u7a33\u5b9a\u6027\u8bc4\u4f30\u7b49\u6838\u5fc3\u73af\u8282\uff0c\u7ed3\u5408\u884c\u4e1a\u6807\u51c6\u4e0e\u5b9e\u8df5\u7ecf\u9a8c\u6574\u7406\u800c\u6210\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001\u84dd\u7259\u6a21\u7ec4\u529f\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u3000\u529f\u80fd\u6d4b\u8bd5\u662f\u9a8c\u8bc1\u84dd\u7259\u6a21\u7ec4\u57fa\u7840\u901a\u4fe1\u80fd\u529b\u7684\u5173\u952e\u6b65\u9aa4\uff0c\u9700\u8986\u76d6\u4ee5\u4e0b\u6838\u5fc3\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u534f\u8bae\u529f\u80fd\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177(\u5982PC\u7aef\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b)\u548c\u624b\u673a\u7aef\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6(\u5982SPP\/BLE\u52a9\u624b)\u6d4b\u8bd5\u914d\u5bf9\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u4f20\u8f93\u53ca\u65ad\u5f00\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u652f\u6301\u7684\u84dd\u7259\u534f\u8bae\u7248\u672c(\u5982BLE 4.2\u30015.0)\u662f\u5426\u4e0e\u8bbe\u5907\u517c\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u30002. \u901a\u4fe1\u53c2\u6570\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6ce2\u7279\u7387\u652f\u6301<\/strong>\uff1a\u901a\u8fc7\u53d1\u9001\u4e0d\u540c\u6ce2\u7279\u7387\u7684\u6570\u636e\u5305(\u59829600bps\u3001115200bps)\u6d4b\u8bd5\u6a21\u7ec4\u81ea\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u53d1\u9001\u95f4\u9694\u4e0e\u4e22\u5305\u7387<\/strong>\uff1a\u8bbe\u5b9a\u56fa\u5b9a\u5305\u957f(\u598220\u5b57\u8282)\u548c\u53d1\u9001\u95f4\u9694(\u5982100ms)\uff0c\u6301\u7eed\u4f20\u8f93\u6570\u636e\u5e76\u7edf\u8ba1\u4e22\u5305\u7387(\u4e00\u822c\u8981\u6c42<0.1%)\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u4e3b\u591a\u4ece\u5e76\u53d1\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u591a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u573a\u666f\uff0c\u9a8c\u8bc1\u6a21\u7ec4\u662f\u5426\u80fd\u7a33\u5b9a\u5904\u7406\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e7f\u64ad\u5e27\u8fc7\u6ee4\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u7f6e\u84dd\u7259\u6a21\u7ec4\u8fc7\u6ee4\u7279\u5b9aMAC\u5730\u5740\u6216\u5e7f\u64ad\u5185\u5bb9\uff0c\u9a8c\u8bc1\u5176\u662f\u5426\u4ec5\u54cd\u5e94\u76ee\u6807\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u5c04\u9891\u6027\u80fd\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f20\u8f93\u901f\u7387\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u6216\u77e2\u91cf\u4fe1\u53f7\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u7ecf\u5178\u84dd\u7259\u7406\u8bba\u901f\u73871-3 Mbps\uff0cBLE\u4e3a0.27-2 Mbps\uff0c\u9700\u9a8c\u8bc1\u5b9e\u9645\u901f\u7387\u662f\u5426\u8fbe\u6807\u768480%\u4ee5\u4e0a\u3002<\/p>\n\n\n\n
\u3000\u3000\u4fe1\u53f7\u8986\u76d6\u8303\u56f4<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5728\u65e0\u906e\u6321\u73af\u5883\u4e0b\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4e0d\u540c\u529f\u7387\u7b49\u7ea7\u4e0b\u7684\u6709\u6548\u8ddd\u79bb(\u5982Class 2\u4e3a10\u7c73\uff0cClass 1\u53ef\u8fbe100\u7c73)\uff0c\u5e76\u8bb0\u5f55\u4fe1\u53f7\u8870\u51cf\u66f2\u7ebf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong><\/p>\n\n\n\n
\u3000\u3000\u57282.4GHz\u9891\u6bb5\u5f15\u5165Wi-Fi\u3001Zigbee\u7b49\u5e72\u6270\u6e90\uff0c\u6d4b\u8bd5\u6a21\u7ec4\u5728\u4fe1\u9053\u51b2\u7a81\u65f6\u7684\u8bef\u7801\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30002. \u529f\u8017\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u5de5\u4f5c\u6a21\u5f0f\u529f\u8017<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u7535\u6d41\u8868\u6216\u529f\u8017\u5206\u6790\u4eea\u6d4b\u91cf\u6a21\u7ec4\u5728\u5f85\u673a\u3001\u53d1\u5c04\u3001\u63a5\u6536\u7b49\u6a21\u5f0f\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u3002\u4f8b\u5982\uff1aBLE\u5f85\u673a\u529f\u8017\u901a\u5e38\u4e3a1-26\u03bcA\uff0c\u53d1\u5c04\u6a21\u5f0f\u4e3a2.9-27mA\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f\u4f18\u5316<\/strong><\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u6a21\u7ec4\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u54cd\u5e94\u65f6\u95f4\u53ca\u80fd\u8017\uff0c\u786e\u4fdd\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u7684\u957f\u7eed\u822a\u9700\u6c42\u3002<\/p>\n\n\n\n
\u3000\u30003. \u73af\u5883\u9002\u5e94\u6027\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6e29\u6e7f\u5ea6\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5c06\u6a21\u7ec4\u7f6e\u4e8e\u9ad8\u6e29(\u5982+85\u2103)\u3001\u4f4e\u6e29(-40\u2103)\u53ca\u9ad8\u6e7f\u5ea6(95% RH)\u73af\u5883\u4e2d\uff0c\u9a8c\u8bc1\u5176\u901a\u4fe1\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u673a\u68b0\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
\u3000\u3000\u901a\u8fc7\u632f\u52a8\u6d4b\u8bd5\u4eea\u548c\u8dcc\u843d\u6d4b\u8bd5\u4eea\u6a21\u62df\u8fd0\u8f93\u4e0e\u4f7f\u7528\u4e2d\u7684\u7269\u7406\u51b2\u51fb\uff0c\u786e\u4fdd\u6a21\u7ec4\u7ed3\u6784\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001\u517c\u5bb9\u6027\u6d4b\u8bd5<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u8bbe\u5907\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u4f7f\u7528\u4e0d\u540c\u54c1\u724c\u624b\u673a(\u5982iOS\u3001Android)\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c(\u5982Android 10\u4ee5\u4e0a)\u6d4b\u8bd5\u914d\u5bf9\u4e0e\u6570\u636e\u4f20\u8f93\uff0c\u8986\u76d6\u4e3b\u6d41\u5382\u5546\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u4e0e\u84dd\u7259\u8033\u673a\u3001\u97f3\u7bb1\u7b49\u5916\u8bbe\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u7279\u522b\u662f\u97f3\u9891\u7f16\u89e3\u7801\u652f\u6301(\u5982SBC\u3001AAC)\u3002<\/p>\n\n\n\n
\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
\u3000\u3000\u4e32\u53e3\u6269\u5c55\u5668<\/strong>\uff1a\u5c06\u5355\u4e2a\u4e32\u53e3\u8f6c\u6362\u4e3a\u591a\u4e2a\u5b50\u4e32\u53e3\uff0c\u652f\u6301\u66f4\u591a\u8bbe\u5907\u63a5\u5165\u3002<\/p>\n\n\n\n
\u3000\u3000\u7f51\u7edc\u8f6c\u6362\u5668<\/strong>\uff1a\u901a\u8fc7\u4e32\u53e3\u8f6c\u4ee5\u592a\u7f51\u6a21\u5757\uff0c\u5c06\u4e32\u53e3\u8bbe\u5907\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u7a81\u7834\u7269\u7406\u63a5\u53e3\u9650\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u7ea7\u7ec4\u7f51<\/strong>\uff1a\u4f7f\u7528DTU\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\uff0c\u6784\u5efa\u6811\u72b6\u6216\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u30002.\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6743\u8861<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5ef6\u8fdf\u6216\u6570\u636e\u4e22\u5305\uff0c\u9700\u6839\u636eDTU\u7684CPU\u6027\u80fd(\u5982ARM9\u5904\u7406\u5668\u80fd\u529b)\u548c\u5185\u5b58\u5bb9\u91cf(\u598264MB SDRAM)\u5408\u7406\u89c4\u5212\u3002<\/p>\n\n\n\n
\u3000\u3000\u5efa\u8bae\u91c7\u7528\u201c\u53d8\u5316\u4e0a\u62a5\u201d\u6a21\u5f0f\u51cf\u5c11\u5197\u4f59\u6570\u636e\u4f20\u8f93\uff0c\u8282\u7701\u5e26\u5bbd\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n
\u3000\u3000\u4e00\u4e2aDTU\u6a21\u5757\u7684\u5178\u578b\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n
\u63a5\u53e3\u7c7b\u578b<\/strong><\/th>
\u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th>
\u6269\u5c55\u65b9\u5f0f<\/strong><\/th>
\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead>
\u5355\u4e32\u53e3\uff08RS232\/485\uff09<\/td>
1\u53f0\uff08\u76f4\u63a5\uff09\u6216\u226432\u53f0\uff08\u603b\u7ebf\uff09<\/td>
\u4e32\u53e3\u6269\u5c55\u5668\u3001Modbus\u5730\u5740\u5206\u914d<\/td>
\u5de5\u4e1a\u4f20\u611f\u5668\u3001PLC\u76d1\u63a7<\/td><\/tr>
\u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td>
4\u53f0<\/td>
\u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td>
\u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr>
\u4ee5\u592a\u7f51<\/td>
10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td>
\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td>
\u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr>
\u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td>
3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td>
\u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td>
\u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000DTU\u6a21\u5757\u7684\u8bbe\u5907\u8fde\u63a5\u6570\u91cf\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u53ca\u6269\u5c55\u65b9\u6848\u7efc\u5408\u786e\u5b9a\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5355\u6a21\u5757\u8fde\u63a52-8\u53f0\u8bbe\u5907\u4e3a\u5e38\u89c1\u8303\u56f4\uff0c\u4f46\u5728\u4f18\u5316\u914d\u7f6e\u548c\u6269\u5c55\u6280\u672f\u652f\u6301\u4e0b\uff0c\u53ef\u663e\u8457\u63d0\u5347\u81f3\u6570\u5341\u751a\u81f3\u4e0a\u767e\u53f0\u8bbe\u5907\u3002\u7528\u6237\u9700\u4f18\u5148\u53c2\u8003\u8bbe\u5907\u624b\u518c\uff0c\u7ed3\u5408\u73b0\u573a\u9700\u6c42\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DTU(\u6570\u636e\u4f20\u8f93\u5355\u5143)\u6a21\u5757\u7684\u63a5\u9a73\u8bbe\u5907\u6570\u91cf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5177\u4f53\u9700\u7ed3\u5408\u786c\u4ef6\u8bbe\u8ba1\u3001\u901a\u4fe1\u534f\u8bae\u3001\u63a5\u53e3\u7c7b\u578b\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7efc\u5408\u5206\u6790\u3002\u4ee5\u4e0b\u4ece\u6280\u672f\u539f\u7406\u3001\u8bbe\u5907\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n
\u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
<\/figure>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u30001. \u6838\u5fc3\u6280\u672f<\/strong><\/h3>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n
\u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u63a5\u53e3\u4e30\u5bcc<\/strong>\uff1a\u6807\u914dRS232\u548cRS485\u63a5\u53e3\uff0c\u90e8\u5206\u578b\u53f7\u652f\u6301\u6a21\u62df\u91cf\u3001I\/O\u63a5\u53e3\u53ca\u7535\u6e90\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n\n\n\n
\u3000\u3000\u5de5\u4e1a\u7ea7\u9632\u62a4<\/strong>\uff1a\u5177\u5907\u9632\u96f7\u51fb\u3001\u9632\u9759\u7535\u3001\u8fc7\u538b\u4fdd\u62a4\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4-40\u2103~+85\u2103\uff0c\u901a\u8fc7EMC\u8ba4\u8bc1\u3002<\/p>\n\n\n\n
\u3000\u3000\u5197\u4f59\u673a\u5236<\/strong>\uff1a\u91c7\u7528\u4e09\u7ea7\u770b\u95e8\u72d7\u68c0\u6d4b\u548c\u5fc3\u8df3\u94fe\u8def\u76d1\u6d4b\uff0c\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u7387>99.9%\u3002<\/p>\n\n\n\n
\u3000\u30003. \u8f6f\u4ef6\u529f\u80fd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000LORa DTU\u5728\u4ee5\u4e0b\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n
\u3000\u30001. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7167\u660e<\/strong>\uff1a\u63a7\u5236\u8def\u706f\u5f00\u5173\u53ca\u8c03\u5149\uff0c\u964d\u4f4e\u80fd\u8017\u3002<\/p>\n\n\n\n
\u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u90e8\u7f72\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u4f20\u611f\u5668\uff0c\u5b9e\u65f6\u56de\u4f20\u6570\u636e\u81f3\u5e02\u653f\u5e73\u53f0\u3002<\/p>\n\n\n\n
\u3000\u30003. \u519c\u4e1a\u4e0e\u73af\u4fdd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n
\u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n\u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868\u3001\u6545\u969c\u9884\u8b66\u53ca\u7535\u529b\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u4ea4\u901a\u7ba1\u7406<\/strong>\uff1a\u505c\u8f66\u573a\u8f66\u4f4d\u76d1\u6d4b\u3001\u4ea4\u901a\u6d41\u91cf\u7edf\u8ba1\u3002<\/p>\n\n\n\n
\u3000\u3000\u56db\u3001 \u6280\u672f\u53c2\u6570\u4e0e\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n\n\n\n
\u53c2\u6570\u7c7b\u522b<\/th>
\u5178\u578b\u503c\/\u8303\u56f4<\/th><\/tr><\/thead>
\u4f20\u8f93\u8ddd\u79bb<\/strong><\/td>
\u57ce\u5e022km\uff0c\u90ca\u533a10km\uff08\u89c6\u73af\u5883\uff09<\/td><\/tr>
\u5de5\u4f5c\u9891\u6bb5<\/strong><\/td>
410~490MHz\uff08\u53ef\u5b9a\u5236\u81f3470~510MHz\uff09<\/td><\/tr>
\u63a5\u6536\u7075\u654f\u5ea6<\/strong><\/td>
-127dBm\uff08433.1MHz\uff0c300bps\uff09<\/td><\/tr>
\u53d1\u5c04\u529f\u7387<\/strong><\/td>
20dBm~47dBm\uff08\u53ef\u8c03\uff09<\/td><\/tr>
\u7535\u6e90\u8f93\u5165<\/strong><\/td>
DC 6~36V\uff08\u5bbd\u538b\u8bbe\u8ba1\uff09<\/td><\/tr>
\u6570\u636e\u901f\u7387<\/strong><\/td>
1200bps~115.2kbps\uff08\u7a7a\u4e2d\u901f\u7387\u53ef\u8c03\uff09<\/td><\/tr>
\u8282\u70b9\u5bb9\u91cf<\/strong><\/td>
\u6700\u5927200\u4e2a\uff08SX1278TR4-DTU\uff09<\/td><\/tr>
\u52a0\u5bc6\u6807\u51c6<\/strong><\/td>
AES-128\/256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u4e94\u3001 \u5bf9\u6bd4\u4f20\u7edfDTU\u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
\u5bf9\u6bd4\u7ef4\u5ea6<\/th>
\u4f20\u7edf\u8702\u7a9d\u7f51\u7edcDTU<\/th>
LORa DTU<\/th><\/tr><\/thead>
\u8986\u76d6\u8303\u56f4<\/strong><\/td>
\u4f9d\u8d56\u57fa\u7ad9\uff0c\u504f\u8fdc\u5730\u533a\u4fe1\u53f7\u5dee<\/td>
\u81ea\u7ec4\u7f51\uff0c\u65e0\u57fa\u7ad9\u4f9d\u8d56<\/td><\/tr>
\u529f\u8017<\/strong><\/td>
\u9ad8\uff08\u9700\u6301\u7eed\u8fde\u63a5\u57fa\u7ad9\uff09<\/td>
\u8d85\u4f4e\uff08\u652f\u6301\u4f11\u7720\u6a21\u5f0f\uff09<\/td><\/tr>
\u90e8\u7f72\u6210\u672c<\/strong><\/td>
\u9700SIM\u5361\u53ca\u6d41\u91cf\u8d39\u7528<\/td>
\u65e0\u6301\u7eed\u6d41\u91cf\u8d39\u7528\uff0c\u8bbe\u5907\u6210\u672c\u4f4e<\/td><\/tr>
\u9002\u7528\u573a\u666f<\/strong><\/td>
\u57ce\u5e02\u3001\u9ad8\u5e26\u5bbd\u9700\u6c42<\/td>
\u91ce\u5916\u3001\u5730\u4e0b\u3001\u957f\u8ddd\u79bb\u4f4e\u5e26\u5bbd\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u3000\u3000\u516d\u3001 \u5178\u578b\u4ea7\u54c1\u6848\u4f8b<\/strong><\/h2>\n\n\n\n\u3000\u3000TW820\uff08\u8ba1\u8baf\u7269\u8054\uff09<\/strong> \uff1a\u652f\u630110km\u4f20\u8f93\uff0c\u914d\u5907RS232\/485\u63a5\u53e3\uff0c\u5e94\u7528\u4e8e\u6cb9\u7530\u76d1\u63a7\u3001\u667a\u6167\u6c34\u5229\u3002<\/p>\n\n\n\n
\u3000\u3000SX1278TR4-DTU\uff08\u7845\u79d1\u6280\uff09<\/strong> \uff1a\u6700\u5927200\u8282\u70b9\uff0c1-3km\u8986\u76d6\uff0c\u7528\u4e8e\u57ce\u5e02\u7ea7\u7269\u8054\u7f51\u7edc\u3002<\/p>\n\n\n\n
\u3000\u3000E90-DTU\uff08\u4ebf\u4f70\u7279\uff09<\/strong> \uff1a50W\u53d1\u5c04\u529f\u7387\uff0c70km\u53c2\u8003\u8ddd\u79bb\uff0c\u9002\u7528\u4e8e\u6781\u7aef\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e03\u3001 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000\u6280\u672f\u878d\u5408<\/strong>\uff1a\u4e0e5G\u3001\u8fb9\u7f18\u8ba1\u7b97\u7ed3\u5408\uff0c\u63d0\u5347\u5b9e\u65f6\u6027\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u51c6\u5316\u534f\u8bae<\/strong>\uff1a\u63a8\u52a8LoRaWAN\u666e\u53ca\uff0c\u589e\u5f3a\u8bbe\u5907\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5782\u76f4\u9886\u57df\u6df1\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a4.0\u3001\u667a\u6167\u519c\u4e1a\u4e2d\u8fdb\u4e00\u6b65\u6e17\u900f\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u63a7\u5236\u903b\u8f91\u3002<\/p>\n\n\n\n
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\u3000\u30002. \u534f\u8bae\u7248\u672c\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n\u3000\u3000\u6d4b\u8bd5\u6a21\u7ec4\u5411\u4e0b\u517c\u5bb9\u6027(\u5982\u84dd\u72595.0\u6a21\u7ec4\u662f\u5426\u652f\u63014.2\u8bbe\u5907\u8fde\u63a5)\u3002<\/p>\n\n\n\n
\u3000\u3000\u9a8c\u8bc1\u53cc\u6a21\u6a21\u7ec4(Classic+BLE)\u5728\u4e0d\u540c\u6a21\u5f0f\u5207\u6362\u65f6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u30003. \u5e94\u7528\u573a\u666f\u6a21\u62df<\/strong><\/h3>\n\n\n\n
| \u63a5\u53e3\u7c7b\u578b<\/strong><\/th> | \u5178\u578b\u8fde\u63a5\u6570\u91cf<\/strong><\/th> | \u6269\u5c55\u65b9\u5f0f<\/strong><\/th> | \u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead> | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| \u591a\u4e32\u53e3\uff08\u59824\u4e32\u53e3\uff09<\/td> | 4\u53f0<\/td> | \u72ec\u7acb\u901a\u9053\u7ba1\u7406<\/td> | \u591a\u8bbe\u5907\u5e76\u884c\u91c7\u96c6<\/td><\/tr> | |||||||||||||||||||||||||||||||||
| \u4ee5\u592a\u7f51<\/td> | 10-100\u53f0\uff08\u53d7\u7f51\u7edc\u5e26\u5bbd\u9650\u5236\uff09<\/td> | \u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u6269\u5c55<\/td> | \u6570\u636e\u4e2d\u5fc3\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf<\/td><\/tr> | |||||||||||||||||||||||||||||||||
| \u65e0\u7ebf\uff08LoRa\/WiFi\uff09<\/td> | 3-49\u53f0\uff08\u89c6\u534f\u8bae\u548c\u6a21\u5757\u6027\u80fd\uff09<\/td> | \u4e2d\u7ee7\u8282\u70b9\u3001\u591a\u7ea7\u7ec4\u7f51<\/td> | \u5206\u5e03\u5f0f\u80fd\u6e90\u3001\u667a\u80fd\u519c\u4e1a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n \u3000\u3000\u5173\u952e\u7ed3\u8bba<\/strong>\uff1a<\/p>\n\n\n\n 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DTU\u662f\u4ec0\u4e48?"},"content":{"rendered":"\n \u3000\u3000LORa<\/strong> DTU(Long Range Data Transfer Unit)\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e13\u4e3a\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u8fdc\u7a0b\u76d1\u6d4b\u573a\u666f\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8be6\u7ec6\u89e3\u6790\u5176\u5b9a\u4e49\u3001\u6280\u672f\u7279\u70b9\u3001\u5e94\u7528\u573a\u666f\u53ca\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n \u3000\u3000\u4e00\u3001 \u5b9a\u4e49\u4e0e\u6838\u5fc3\u529f\u80fd<\/strong><\/h2>\n\n\n\n
\u3000\u3000LORa DTU\u662f\u4e00\u79cd\u5c06\u4e32\u53e3\u6570\u636e(\u5982RS232\/RS485)\u4e0eIP\u6570\u636e\u53cc\u5411\u8f6c\u6362\uff0c\u5e76\u901a\u8fc7LoRa\u65e0\u7ebf\u7f51\u7edc\u4f20\u8f93\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n \u3000\u3000\u534f\u8bae\u8f6c\u6362<\/strong>\uff1a\u5b9e\u73b0\u4e32\u53e3\u8bbe\u5907(\u5982\u4f20\u611f\u5668\u3001PLC)\u4e0eTCP\/IP\u7f51\u7edc\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/p>\n\n\n\n \u3000\u3000\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u91c7\u7528LoRa\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc(\u89c6\u73af\u5883\u800c\u5b9a)\uff0c\u9002\u7528\u4e8e\u65e0\u4f20\u7edf\u57fa\u7ad9\u8986\u76d6\u7684\u533a\u57df(\u5982\u7535\u7f06\u6c9f\u9053\u3001\u77ff\u533a\u7b49)\u3002<\/p>\n\n\n\n \u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u63a5\u6536\u7535\u6d41\u4f4e\u81f310mA\uff0c\u7761\u7720\u7535\u6d41\u4ec5200nA\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u573a\u666f\u3002<\/p>\n\n\n\n \u3000\u3000\u5b89\u5168\u52a0\u5bc6<\/strong>\uff1a\u652f\u6301AES\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u4e8c\u3001 \u6280\u672f\u7279\u70b9\u4e0e\u4f18\u52bf<\/strong><\/h2>\n\n\n\n\u3000\u3000LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6269\u9891\u901a\u4fe1\uff0c\u5177\u5907\u9ad8\u7075\u654f\u5ea6(\u5982-139dBm)\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7a7f\u900f\u6027\u5f3a\u3002<\/p>\n\n\n\n \u3000\u3000\u7075\u6d3b\u7ec4\u7f51<\/strong>\uff1a\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u4e3b\u4ece\u6a21\u5f0f\u3001\u81ea\u52a8\u4e2d\u7ee7\u3001\u661f\u578b\u7f51\u7edc\u53caMesh\u7f51\u7edc\uff0c\u6700\u5927\u652f\u6301200\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n \u3000\u3000\u81ea\u9002\u5e94\u53c2\u6570\u914d\u7f6e<\/strong>\uff1a\u53ef\u901a\u8fc7AT\u6307\u4ee4\u6216\u8f6f\u4ef6\u8c03\u6574\u7a7a\u4e2d\u901f\u7387(1200bps~115.2kbps)\u3001\u53d1\u5c04\u529f\u7387(\u6700\u9ad850W)\u3001\u4fe1\u9053\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n \u3000\u30002. \u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h3>\n\n\n\n\u3000\u3000\u534f\u8bae\u517c\u5bb9\u6027<\/strong>\uff1a\u652f\u6301Modbus RTU\/TCP\u3001MQTT\u7b49\u5de5\u4e1a\u534f\u8bae\uff0c\u53ef\u5feb\u901f\u5bf9\u63a5\u4e91\u5e73\u53f0(\u5982\u963f\u91cc\u4e91\u3001\u673a\u667a\u4e91)\u3002<\/p>\n\n\n\n \u3000\u3000\u6570\u636e\u7f13\u5b58\u4e0e\u8865\u53d1<\/strong>\uff1a\u5185\u7f6e256\u5b57\u8282\u7f13\u51b2\u533a\uff0c\u65ad\u7f51\u65f6\u81ea\u52a8\u7f13\u5b58\u6570\u636e\u5e76\u8865\u53d1\u3002<\/p>\n\n\n\n \u3000\u3000\u8fdc\u7a0b\u7ba1\u7406<\/strong>\uff1a\u652f\u6301OTA\u5347\u7ea7\u3001\u8fdc\u7a0b\u53c2\u6570\u914d\u7f6e\u53ca\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n \u3000\u3000\u4e09\u3001 \u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n\u3000\u3000\u8bbe\u5907\u76d1\u63a7<\/strong>\uff1a\u91c7\u96c6PLC\u3001\u4f20\u611f\u5668\u6570\u636e(\u5982\u6e29\u5ea6\u3001\u538b\u529b)\uff0c\u5b9e\u73b0\u5de5\u5382\u8bbe\u5907\u72b6\u6001\u8fdc\u7a0b\u76d1\u6d4b\u3002<\/p>\n\n\n\n \u3000\u3000\u80fd\u6e90\u7ba1\u7406<\/strong>\uff1a\u63a5\u5165\u7535\u8868\u3001\u6c34\u8868\uff0c\u901a\u8fc7Modbus\u534f\u8bae\u4e0a\u4f20\u80fd\u8017\u6570\u636e\u81f3\u7ba1\u7406\u5e73\u53f0\u3002<\/p>\n\n\n\n \u3000\u30002. \u667a\u6167\u57ce\u5e02<\/strong><\/h3>\n\n\n\n\u3000\u3000\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u7ed3\u5408\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u81ea\u52a8\u89e6\u53d1\u704c\u6e89\u7cfb\u7edf\u3002<\/p>\n\n\n\n \u3000\u3000\u6c61\u67d3\u76d1\u6d4b<\/strong>\uff1a\u5728\u504f\u8fdc\u5730\u533a\u90e8\u7f72\u76d1\u6d4b\u7ad9\uff0c\u901a\u8fc7LoRa\u7f51\u7edc\u4f20\u8f93\u6c61\u67d3\u6307\u6807\u3002<\/p>\n\n\n\n \u3000\u30004. \u57fa\u7840\u8bbe\u65bd<\/strong><\/h3>\n\n\n\n
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