LoRa-based Fire Monitoring System

The prevention and control measures of disaster accidents such as electrical short circuit or transformer fire are mainly prevention, requiring timely detection of precursor information of fire formation in order to control and deal with it in advance. The network transmission technology of fire monitoring systems in power transmission and urban buildings is mainly based on wireless communication technologies such as ZigBee. However, the short communication distance of ZigBee technology makes it more and more difficult to meet the needs of power fire monitoring. Based on the LoRa technology, this paper improves the gossiping protocol and the SPIN wireless networking protocol according to the requirements of fire monitoring, and transmits the fire precursor information collected by the monitoring terminal through multi-hop networking to increase the coverage of the system. A hardware platform for power fire monitoring was built. Experiments were carried out on factors such as transmission rate, transmission power, weather environment, and different terrain locations. The reliability of the fire monitoring system proposed in the paper was analyzed. This paper provides a new idea for the design of industrial fire monitoring system such as electric power system.