针对一些仓库、图书馆、地下停车场等场合照明设备存在控制距离受限、电路搭建冗杂、利用率低、能耗大的问题, 设计一种基于LoRa技术的无线智能灯控系统.以SX1278的LoRa调制技术为核心, 采用树型网络结构进行通信, 结合通信协议的设计, 实现广域控制、红外感应、智能调光等功能.介绍系统网络拓扑结构、通信节点软硬件的具体实现和应用层自定义通信协议, 详细阐述系统的工作流程, 通过实验分析验证了系统工作的有效性和稳定性.实验结果表明, 该设计具有组网便捷、工作稳定、控制范围广、实时性响应良好等特点, 具有广泛的适用范围和发展前景.%Aiming at solving the problems of limited control distance, complex circuit, low utilization and high energy consumption for the lighting equipment in some warehouses, libraries, underground parking and other occasions, a wireless intelligent lighting control system based on LoRa technology was designed.LoRa modulation technology of SX1278 was adopted as the core section and tree network structure was used for communicating.With the design of communication protocol, the functions of wider-area controlling, infrared sensing and intelligent dimming were realized.The system network topology, the implementation of hardware and software for communication nodes and the communication protocol on application layer were introduced.The working process of the system was elaborated.The validity and stability of the system work were verified through experimental analysis.Results show that the proposed design has the advantages of convenient networking, stable work, wider-range control and good real-time response, which shows wide application scope and development prospect.
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