基于LoRa的电气设备温湿度监测终端设计

针对目前电力设备监测通信方式存在的传输距离短、网络复杂的缺陷,提出了一种基于LoRa的电气设备温湿度监测终端的设计方案.给出了系统的总体构架;设计了系统的LoRa传感终端,在实验室环境下对其进行了通信测试;进行了低功耗的设计和测试,测试结果显示:所设计的终端设备休眠电流低至1.4 μA,平均工作电流0.070 mA,特别适合电池供电.系统具有传输距离远,功耗低的优势.

Design of temperature and humidity monitoring terminal for electrical equipment based on LoRa

Aiming at problem that electrical equipment monitoring communication mode has defects of short transmission distance and complex network,a design scheme of temperature and humidity monitoring terminal for electrical equipment based on LoRa is proposed.An enterprise architecture of temperature and humidity monitoring system for electrical equipment based on LoRa is presented. LoRa sensing terminal in the system is designed, communication test under the laboratory environment is carried out.Low power consumption design and test are carried out.Test result shows that the designed terminal equipment is especially suitable for battery power for its sleep current is 1.4 μA and the average operating current is 0.070mA.The system has the advantages of long transmission distance and low power consumption.