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source:Industry News release time:2023-09-22 Hits: Popular:Infrared sensing module
A refrigeration unit refers to a mechanical device that uses a compressor to change the pressure of the refrigerant gas to achieve low-temperature refrigeration. The refrigeration unit is one of the most important components in compression refrigeration equipment. The refrigeration unit is composed of a compressor, condenser, compressor, drying filter, and expansion throttle valve, which are connected in series. An appropriate amount of refrigerant is injected into the unit, and the electrical appliances control the compressor operation according to environmental requirements to achieve the purpose of refrigeration and heat transfer. Temperature control is very important for refrigeration units, so it is necessary to install NTC temperature sensors to monitor temperature.
The NTC temperature sensor is equipped with the top of the inner chamber of the refrigeration unit system box for temperature feedback. It uses a compressor to lift the refrigerant from low pressure to high pressure, which is transmitted by the connecting pipeline to the condenser, causing the refrigerant to continuously circulate and flow in the refrigeration chamber above the partition between the connecting pipeline and the box. The heat in the refrigeration chamber is discharged to the evaporator, causing the evaporator to expand and absorb heat. Through the connecting pipeline, the refrigerant is circulated to the compressor and repeatedly circulated, allowing the cold air to continuously circulate and flow in the refrigeration chamber, Maintain the temperature inside the refrigeration chamber in a certain low-temperature environment, monitor the temperature inside the refrigeration chamber through an NTC temperature sensor, and feedback the monitoring results to the display screen.
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