What is the working principle of the electric AC compressor?
1. Pressure difference driving principle
When the vehicle starts, the electric AC compressor starts working. At this time, the low-temperature and low-pressure refrigerant enters the compressor from the evaporator and is sucked into the cylinder under the control of the gas valve. As the piston moves upward, the gas is gradually compressed and produces a high-temperature and high-pressure state. When the piston reaches the top, the high-temperature and high-pressure gas enters the radiator through the exhaust pipe to dissipate heat and becomes a low-temperature and low-pressure liquid. The liquid refrigerant then enters the evaporator through the expansion valve to complete the refrigeration cycle.
2. Clutch control principle
The clutch is an important component in the electric AC compressor. When the vehicle starts, the clutch is energized by the control switch to make it adsorbed on the clutch bearing and drive the entire system to work. When the vehicle stops, the clutch will automatically disconnect the power supply and stop working.
3. Control valve control principle
The control valve is another important component in the electric AC compressor. It controls the switch state through the signal sensor according to the changes in the air-conditioning temperature and pressure in the car, so that the compressor can work normally. For example, when the temperature in the car is too high, the control valve will automatically open and start the compressor for cooling.
The electric AC compressor is an indispensable part of the car air-conditioning system. It compresses low-temperature and low-pressure gas, and dissipates the heat of high-temperature and high-pressure gas into low-temperature and low-pressure liquid to complete the cycle in the car air conditioning system. At the same time, attention should be paid to maintenance during use to ensure its normal operation and extend its service life.
