基于LoRa和GPRS的无线火灾报警系统设计

针对传统火灾报警系统无法满足高大狭窄空间以及博物馆、文物保护建筑等特殊场合实际火灾报警需求的问题,设计一种基于LoRa和GPRS的无线火灾报警系统.系统利用LoRa进行火灾传感信息长距离传输,采用GPRS进行火灾报警信息远距离传送,选取Modbus总线通信连接LoRa无线模块和GPRS无线模块.设计过程详细介绍了系统控...

Design of wireless fire alarm system based on LoRa and GPRS

Aiming at theproblem that the traditional fire alarm system cannot meet the actual firealarm requirements in special occasions such as tall and narrow spaces,museums, cultural relics protection buildings, etc, designed a wireless firealarm system based on LoRa and GPRS. The system used LoRa and GPRS separatelyfor long- distance transmission of fire sensing information and fire alarminformation. And Modbus communication is selected to connect LoRa and GPRSwireless module. The design process introduced the system control scheme,hardware composition and software design in detail, and carried out the systemtesting and experimental verification.The experimental results show that thesystem can monitor the field temperature and smoke data in real time, be ableto alarm and send the information in time. The operation is stable, and theforecast is timely and accurate, which meets the needs of fire alarms on specificoccasions. The application of the system can improve the ability of fireforecasting and enhance the emergency response capability of the fire, which isan effective supplement to the wired fire alarm system.