The refrigerant circulates continuously in the system, and each cycle includes four processes: compression process, condensation process, throttling process, and evaporation process.
compression process
When the compressor is working, the low-pressure and low-temperature gaseous refrigerant from the evaporator is sucked, and after being compressed, it becomes a high-pressure and high-temperature gaseous refrigerant, and is discharged into the condenser.
condensation process
In the condenser, the refrigerant exchanges heat with the outside air. Since the temperature of the refrigerant is higher than that of the outside air, the high-pressure and high-temperature gaseous refrigerant releases heat, and transfers the heat through the condenser to the outside air flowing through the condenser, and condenses itself into a high-pressure and high-temperature liquid refrigerant. and flow to the throttling device.
throttling process
In the throttling device, the high-pressure and high-temperature liquid refrigerant becomes low-pressure and low-temperature liquid refrigerant and enters the evaporator.
evaporation process
In the evaporator, the refrigerant exchanges heat with the air in the vehicle. Since the temperature of the refrigerant is lower than that of the air in the vehicle, the low-pressure and low-temperature liquid refrigerant absorbs the heat of the air in the vehicle flowing through the evaporator, and evaporates itself into a low-pressure and low-temperature gaseous refrigerant.
