What is the composition of a refrigeration machine

1、 Compressor
The compressor is one of the important components in a refrigeration machine. It plays a role in compressing the refrigerant, enabling it to be converted into high-temperature and high-pressure gaseous refrigerant. There are many types of compressors, the common of which are screw compressors and reciprocating compressors.
2、 Condenser
A condenser is a device that can convert high-temperature and high-pressure gaseous refrigerants into low-temperature and low-pressure liquid refrigerants. It releases waste heat through contact with the outside world, dissipating the heat in the refrigerant. The condenser usually uses a tubular radiator, which has the characteristics of fast cooling and good heat dissipation effect.
3、 Expansion valve
Expansion valve is a device that controls the flow of refrigerant. Its function is to rapidly reduce the pressure of high-temperature and high-pressure refrigerant flowing through the expansion valve. Due to the throttling effect generated in the expansion valve, the temperature of the refrigerant will also sharply decrease. This allows the refrigerant to condense and absorb heat in the evaporator, thus completing the entire refrigeration process.
4、 Evaporator
An evaporator is a device that can absorb a large amount of heat from liquid refrigerant, converting it from liquid to gas. The evaporator is located at the low pressure end of the refrigeration system and is mainly used to absorb heat from the air, thereby achieving the purpose of refrigeration. The structure of the evaporator generally adopts double tube or coil type, which has the advantages of rapid cooling and good cooling effect.
The above is an introduction to the components and functions of a refrigerator.