Rotor assembly, compressor and air conditioner

Abstract

The invention relates to the technical field of gas compression devices, in particular to a rotor assembly, a compressor and an air conditioner. A plurality of main circulation channels are evenly formed in a first magnetic baffle, a rotor iron core and a second magnetic baffle of the rotor assembly around the central axis, auxiliary circulation channels which are through in the axial direction are formed in the first magnetic baffle, the rotor iron core and the second magnetic baffle, a main balance block is located on one side of the central axis, and auxiliary circulation channels are located on the other side of the central axis. The auxiliary circulation channels improve a balance system, the height of the main balance block in the axial direction can be reduced, then the windward area of the main balance block is reduced, the clapping effect on exhaust gas flow is weakened, tiny liquid drops are reduced, and then the amount of oil entering an upper cavity of a motor along with flowing of a refrigerant is reduced. The auxiliary circulation channels increase the flow flowing through the circulation channels, improves the internal circulation of the compressor, increases the stator trimming return flow, and realizes secondary oil separation. The effects of two oil separation are integrated, and the oil spitting rate of the compressor is effectively reduced.

Description

technical field [0001] The present application relates to the technical field of gas compression devices, in particular, to a rotor assembly, and to a compressor and an air conditioner including the rotor assembly. Background technique [0002] At present, the refrigeration compressors used in household air conditioners are mainly rolling rotor compressors, and the air conditioning systems below 3 HP mainly use single-cylinder rolling rotor compressors. Since the center of the crankshaft is not concentric with the axis of the motor rotor, it is necessary to balance the inertial force and moment caused by the eccentric mass of the eccentric part of the crankshaft during the rotation process. [0003] The existing balance system of the single-cylinder rolling rotor compressor consists of the main balance weight located at the lower part of the motor rotor and the auxiliary balance weight located at the upper part of the motor rotor. In order to better balance the inertial forc...

AI Technical Summary

Problems solved by technology

An excessively high main balance weight will increase the windward area of ​​the main balance weight and strengthen the slapping effect on the exhaust gas, causing the oil droplets flowing with the exhaust gas to be broken into small droplets, which are more likely to enter with the gaseous refrigerant The upper chamber of the motor, which leads to an increase in the oil discharge rate of the compressor

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