面向工业电机温度监测的LoRa无线传感网络设计

On-line Temperature Measurement System for Industrial Motor Based on LoRa Wireless Sensor Network

基于无线传感网络基本原理,构建了LoRa(Long Range)无线传感网络并应用于工业电机在线测温系统.系统的硬件平台采用STM32作为主控芯片,无线通信部分采用SX1278芯片,使用LoRa调制技术,在低功耗的基础上实现了远距离通信.系统采用星型网络拓扑结构,在此基础上设计了组网的通信协议,并设计了低功耗的组网算法,增加了系统使用的灵活性和抗干扰能力.测结果试表明:系统具有低功耗、通信距离远、组网便捷等优点.

Based on the basic principle of wireless sensor network,the construction of LoRa(Long Range)wireless sensor network applicated in online temperature measurement of industrial motors.The design scheme of the hardware platform uses STM32 as the main control chip,SX1278 is used for wireless communication,and LoRa modulation technology is used to realize long-distance communication on the basis of low power consumption.The system adopts the star network topology structure,based on which the communication protocol of networking is designed,and the low-power networking algorithm is designed,which increases the flexibility and anti-interference ability of the system.The test results show that the system has the characteristics of low power consumption,long communication distance and convenient networking.