High-precision constant temperature and humidity air conditioning controller


Release time:

2018-07-12

When it comes to high-precision constant temperature and humidity air conditioners, they are generally used in some of our computer rooms and other places that require high-precision control of humidity and temperature. What controls our high-precision constant temperature and humidity air conditioners is our high-precision constant temperature and humidity air conditioner controller. The

    When it comes to high-precision constant temperature and humidity air conditioners, they are generally used in some of our computer rooms and other places that require high-precision control of humidity and temperature. What controls our high-precision constant temperature and humidity air conditioners is our high-precision constant temperature and humidity air conditioner controller.

    The high-precision constant temperature and humidity air conditioner system consists of a controller, a human-machine interface, a frequency converter, a temperature sensor, a temperature and humidity sensor, a water valve actuator, a wind valve actuator, a high-temperature circuit breaker, a wind pressure switch, etc. The controller is specifically used for the automation of detection, monitoring and control of combined wind cabinets in various occasions.
    The working principle of the high-precision constant temperature and humidity air conditioner controller is as follows:
1. The liquid refrigerant in the evaporator of the refrigerant circulation system absorbs the heat of the air (the air is cooled and dehumidified) and begins to evaporate. Finally, a certain temperature difference is formed between the refrigerant and the air. The liquid refrigerant also completely evaporates and becomes gaseous, and is then sucked in and compressed by the compressor (pressure and temperature increase). The gaseous refrigerant absorbs heat through the condenser (air cooling/water cooling) and condenses into liquid. After being throttled by the expansion valve (or capillary tube), it becomes a low-temperature, low-pressure refrigerant and enters the evaporator, completing the refrigerant cycle.
2. Air circulation system: The fan is responsible for sucking air from the return air port. The air passes through the evaporator (cooling, dehumidification), humidifier, and electric heater (heating) and is then sent to the space required by the user through the air supply port. The air sent out is mixed with the air in the space and then returns to the return air port.
3. Electrical automatic control system: The electrical automatic control system includes a power supply part and an automatic control part. (1) The power supply part supplies power to the compressor, fan, electric heater, humidifier, etc. through a contactor; (2) The automatic control part is divided into temperature and humidity control and fault protection parts.

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