Novel temperature/humidity controller

Abstract

The invention discloses a novel temperature / humidity controller which is characterized in that an MCU (micro control unit) is connected with a power supply module, a temperature / humidity sensor module, an alarm module, a keyboard input module and an LCD (liquid crystal display) module; and two heater control modules are respectively connected with the MCU and two heaters, the two heaters are respectively connected with two heater self-checking modules, and the two heater self-checking modules are respectively communicated with the MCU. Based on the arrangement, the novel temperature / humidity controller disclosed by the invention can regulate a set valve according to actual work environments, so that the novel temperature / humidity controller can be used in different environments.

Description

technical field [0001] The invention relates to an auxiliary device for equipment such as a switch cabinet, a central cabinet, and a box-type substation in a power system, and particularly relates to a novel temperature and humidity controller. Background technique [0002] In order to ensure the normal and reliable operation of high-voltage power equipment such as switch cabinets and central cabinets, there are high requirements for anti-condensation inside them. At present, in order to prevent condensation inside the equipment, one or two heaters will be installed to use the heat generated during work to increase the temperature and prevent condensation. Due to the high power consumption of the heater, in consideration of energy saving, the heater It is best to work only when needed, and there are many ways to control the heater. The commonly used method is to use a resistive condensation sheet as a sensor, and use the inflection point of the parameter curve of this conde...

AI Technical Summary

Problems solved by technology

The commonly used method is to use a resistive condensation sheet as a sensor, and use the inflection point of the parameter curve of this condensation sheet to realize the purpose of controlling the heater to start. Although this method has a simple circuit, its accuracy is very poor, and condensation has often occurred. However, the controller has not started the heater, and the setting of the starting control point cannot be changed. Due to the vast territory of our country and the different climates, the temperature in each region

The temperature difference is very large, so the control requirements are also different, and this kind of controller cannot meet the better use requirements.

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