1, compressor, it needs to absorb the corresponding low-temperature refrigerant from its own internal refrigerant, and then enter the condenser to make the refrigerant enter the refrigerator, and then drive it to be transported and compressed by motor operation, and move forward on the internal circulation of the refrigerator.

2. When the liquid refrigerant passes through the expansion valve again, the cold air is restrained after flowing out of the expansion valve, so the pressure and temperature of the cold air after coming out are reduced, and then it becomes liquid refrigerant.

3. Finally, the high-temperature and high-pressure gas is discharged from the exhaust pipe to cool down, and the refrigerant enters the evaporator again, and then the refrigeration cycle system is repeated.

4. Working process of compressor: the cycle process of suction, compression, discharge and expansion.

CF2: C stands for cold storage, and the following F2 is only used for product identification.

Extended data:

Compressor type

1. At present, the compressors of household refrigerators and air conditioners are all positive displacement, which can be divided into reciprocating type and rotary type. Reciprocating compressor adopts piston, crank and connecting rod mechanism or piston, crank and sliding tube mechanism, and the rotating shaft adopts crankshaft mechanism.

2. According to the scope of application, it can be divided into low back pressure type, medium back pressure type and high back pressure type. Low back pressure type (evaporation temperature -35 ~- 15℃), generally used in household refrigerators, food freezers, etc. Medium back pressure type (evaporation temperature -20 ~ 0℃), generally used in cold drink cabinets, milk freezers, etc. High back pressure type (evaporation temperature -5 ~ 15℃), generally used in room air conditioners, dehumidifiers, heat pumps, etc.

Baidu encyclopedia-compressor

Detailed structure and working principle of refrigerator compressor in Phoenix Net.