换热站循环泵变频器超温预警及湿度报警系统

Overtemperature and humidity alarm system of circulating pump frequency converter in heat exchange station

供暖系统中换热站通常在潮湿闷热的环境中运行,自动控制系统不可避免的受到温度、湿度的影响而发生故障。本文提出一种通过检测变频器冷却风机运行状态及配电室湿度的方法,通过变频器自身参数优化及PLC程序控制,达到事先报警,避免变频器及其他供配电设备由于环境原因导致故障停机。

The heat exchange station in the heating system usually operating in a humid and muggy environment,and the automatic control system inevitably fails due to the influence of temperature and humidity.This paper proposes a method to detect the state of the converter’s cooling fan and the humidity of the distribution room,through the parameter optimization of the converter and PLC program control,so as to achieve the pre-alarm fuction and avoid the fault-shutdown of the converter.