To solve the lighting energy consumption monitoring problem caused by the increasingly complex electrical equipment of modern urban smart lighting lines, the system of urban road lighting energy consumption and power theft monitoring is designed based on LoRa Internet of Things technology. The system consists of a LoRa wireless communication network of centralized controllers, LED lighting fixtures, and other electrical equipment with LoRa wireless communication capabilities. The central controller is the system host. And LED lighting and other electrical equipment are the monitoring nodes. A real-time lighting energy consumption and power theft monitoring strategy of two-step wireless communication, time-sharing, and synchronous collection of power data of all monitoring nodes are proposed, where the lighting power and energy consumption of lighting lines are calculated by the centralized controller. The hardware module design of the centralized controller is introduced, and the software realization methods of the strategy are given in detail, including the program design of the centralized controller and the modification of the power program of the LED lamp driver. The experimental results of the lighting energy consumption and power theft monitoring system test platform verify that the system can effectively achieve wireless lighting energy consumption synchronous collection and power theft monitoring functions, which can better meet the requirements of intelligent control of urban street lights.
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HE Xianggui, MENG Zhiqiang?,ZHOU Huaan.基于LoRa物联网的城市道路照明能耗与窃电监测系统[J].湖南大学学报:自然科学版,2023,(10):11~19