The operation of the constant humidity and humidity machine system is through three interconnected systems: refrigerant circulation system, air circulation system, and electrical automatic control system.
Refrigerant circulation system: the liquid refrigerant in the evaporator absorbs the heat of the air
(The air is cooled and dehumidified) and starts to evaporate. At the end of the temperature difference formed between the refrigerant and the air, the liquid refrigerant also completely evaporates into a gaseous state, and then is sucked and compressed by the compressor (pressure and temperature increase), the gaseous refrigerant The condenser (air-cooled/water-cooled) absorbs heat and condenses into liquid. After throttling through an expansion valve (or capillary tube), it becomes a low-temperature and low-pressure refrigerant and enters the evaporator to complete the refrigerant cycle process.
Air ring system: The fan is responsible for sucking in the air from the return air inlet. The air passes through the evaporator (cooling, dehumidifying), humidifier, electric heater (heating) and then sent to the space required by the user through the air outlet, and the air sent out is in the space. The mixed air returns to the return air vent.
Electrical automatic control system: including power supply part and automatic control part.
Through the contactor, the power supply automatically controls the power supply of compressors, fans, electric adders, humidifiers, etc. The sub-parts are divided into temperature and humidity control and fault protection parts: temperature and humidity control are controlled by temperature and humidity controllers. The temperature and humidity of the return air are compared with the temperature and humidity set by the user, and the compressor (cooling, dehumidifying), humidifier, electric heating (heating) and other components are automatically operated to realize automatic control of constant temperature and humidity.
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