Design of a Multifunctional Distribution Room State Monitoring Sensor

doi:10.11930/j.issn.1004-9649.202006097

Abstract

Abstract: A multifunctional sensor which can monitor a variety of gases, temperature and humidity in real time is designed to improve the environmental monitoring and operation management level of the distribution room. A detail introduction is made to the sensor’s schematic, hardware circuit design, software design and functional parameters. The sensor uses the STM32L151RDT6 microprocessor as the main control chip, and the advanced spectrum and electrochemical technology as the principle to detect a variety of gases at the same time. Based on ZigBee's wireless transmission module and 485 wired network, the data transmission and communication between the sensor and the monitoring center are realized. The operation state of the distribution room can be judged and forewarned through the upper computer. Performance testing results show that the designed KIS-GTH5A multi-functional sensor has a detection accuracy of ±3%FS for gas, ±0.5 ℃for temperature and±3%RH for humidity. Therefore the designed sensor has the advantages of high performance, small volume and low power consumption, and meets the requirements for gas, temperature and humidity detector in distribution room.

Key words: multifunctional sensor, real-time monitoring, spectrum measurement, single chip microcomputer, wireless transmission

ZHANG Min, FANG Jian, WANG Hongbin, LUO Linhuan, HAO Fangzhou, YANG Fan, LIN Xiang. Design of a Multifunctional Distribution Room State Monitoring Sensor[J]. Electric Power, 2021, 54(2): 36-43.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202006097

https://www.electricpower.com.cn/EN/Y2021/V54/I2/36

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