| Summary: | An electrical fire monitoring system based on Long Range(LoRa) wireless transmission technology is designed for early warning buildings, especially in ancient buildings. In this system, by monitoring the temperature of the line and the value of the residual current, the alarm information is uploaded to the monitoring host by LoRa wireless transmission technology to notify the monitor on duty, so as to prevent the occurrence of electrical fire. After field testing in ancient buildings, the results show that the system has a long transmission distance and a good wall penetration effect. This study provides a theoretical and technical support for the application of wireless monitoring and alarm in electrical building fire protection.
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