What are the similarities and differences between traditional electric vehicles and hybrid electric vehicles?

The air conditioning structure principle and internal refrigerant pressure of hybrid electric vehicle are the same as those of traditional automobile air conditioning system. The main difference lies in the compressor. The traditional automobile compressor is driven by the engine through a belt, and the refrigeration performance is achieved by adjusting the swash plate angle of the compressor through ECU. The hybrid compressor is driven by a motor, and the refrigeration performance is completed by HCU (Hybrid Control Module) controlling the motor speed, that is, the compressor speed.

The significance of traditional mechanical compressor;

When the engine is idling, it can only provide low refrigeration output, while the electric compressor can provide constant refrigeration output.

The electric compressor is a non-belt structure, and its installation position is not limited by belt connection, so it can be installed at any position of the vehicle. The main control elements of electric compressor are microprocessor and frequency converter.

The microprocessor receives the target speed command of the compressor from the air conditioning controller to provide the required power for the motor; In addition, the actual speed information of the motor is fed back.