Dual-drive compressor

Abstract

The invention discloses a dual-drive compressor, comprising a casing assembly (1000); a scroll plate assembly (3000), a crankshaft (2000) and a motor assembly (5000) located in the casing assembly (1000); an electronic control assembly (6000) mounted outside the casing assembly (1000); a clutch assembly (4000) connected with the crankshaft (2000); and a rotary transformer (7000) which is electrically controlled with the electronic control assembly (6000). The rotary transformer realizes signal interaction with the electronic control assembly (6000), so seamless connection during switching of apower mode is realized, stationary rotation of the crankshaft during power switching is improved, and impact on the motor assembly (5000) and the clutch assembly (4000) due to mismatching of rotatingspeeds is reduced; and thus, user experience is improved.

Description

technical field [0001] The present disclosure relates to compressors, and in particular, to a dual drive compressor. Background technique [0002] With the development of the new energy automobile industry, the application of hybrid electric vehicles is becoming more and more extensive. In the use of hybrid electric vehicles, the battery power of the car is consumed in pure electric driving mode. When the vehicle feeds power, the remaining power cannot be provided to Electric air-conditioning compressor, the air-conditioning system cannot work normally, and the comfort of the car environment deteriorates. In addition, the lubrication effect of traditional fuel oil compressors is poor, and the oil circuit can only rely on the large circulation of the system. A small amount of refrigerated oil carried by the refrigerant returns to the compressor in the form of gas-liquid two-phase, and the durability of the operating mechanism is not good. [0003] Chinese invention patent ap...

AI Technical Summary

Problems solved by technology

[0005] First of all, due to the limitation of the traditional structure of the electromagnetic clutch, the transmission ratio between the compressor pulley and the driving wheel of the engine is small, that is, the displacement of the compressor is required to be increased. In order to make the compressor with a large displacement work normally, the maximum output torque of the driving motor needs to be increased. , the increased torque requires that the withstand voltage and current withstand capabilities of the electrical components of the controller must be improved at the same time;

[0006] Secondly, due to the small transmission ratio, the compressor has low operating speed and low efficiency, and cannot take advantage of the high-speed and high-efficiency advantages of the scroll compressor;

[0007] Furthermore, the clutch drive and the motor drive will experience vibration during the mode switching process. The sudden load change has high requirements on the performance of the clutch or the motor. Its structural form cannot be seamlessly connected, and the switching time is long, which affects the user experience;

[0008] Finally, no improvements have been made to the electrical control of the compressor

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