基于光纤传输的高压母线温度在线监测仪的设计

Design of the Distributed Online Temperature Monitoring System for HV Generatric with Fiber-optic Communication

分析了高压端温度传感器模块的电路,针对高压开关柜的高压、强电磁场的工作环境,完成了光纤的信号传输通道和总控模块的软硬件设计,解决了高压端传感器模块的供电,以及和低压端总控模块间信号传输的高压隔离问题。设计的基于光纤传输的高压母线温度在线监测仪,实现了显示被测对象温度、实时报警、应急处理等功能。

This paper discusses the principle and property of the sensor module, the controlling module and the signal transmission on fiber -optical, solves the problem of isolating the electric potential of transmission signal and obtaining the power supply of the temperature sensor module in a high voltage position. The hardware and software of the online temperature monitoring system is mainly designed, which can monitor the temperature by showing the state report on the LCD, setup the parameter conveniently, and handle the emergency properly.