Electric compressor motor stator and manufacturing method thereof

Abstract

The invention provides an electric compressor motor stator and a manufacturing method thereof. The electric compressor motor stator comprises a stator winding, stator tooth parts, a stator yoke part and a stator framework, and is characterized in that a stator iron core comprises the stator tooth parts and the stator yoke part, which are separated from each other; the stator tooth parts are connected through bridges; the stator winding is orderly wound on the stator framework; lead wires at two ends of the winding are fixed on a fixed pin; a winding process can be independently finished; afterthe winding is finished, assembling holes on the stator winding and the stator framework are directly assembled on teeth; after each tooth on a stator part is assembled, a tooth root of each of the stator tooth part and a clamping groove of the stator yoke part are matched to finish installation. The electric compressor motor stator provided by the invention has the advantages that a production technology of the motor stator is simplified; the stator winding is independently wound on the framework, the arrangement is ordered and the production efficiency is high; the slot space factor of thestator is high and the energy density of a motor is improved; a closed groove is designed so that the flux leakage is reduced and the operation vibration and noises are reduced.

Description

technical field [0001] The invention relates to an electric compressor motor stator and a manufacturing method thereof, belonging to the technical field of electric compressor motor manufacturing. Background technique [0002] At present, most motor stator teeth and yokes are integrally formed. A gap is reserved between the adjacent tooth crowns, so that the nozzle can penetrate up and down to wind the winding on the stator teeth. This structure has the following problems: 1) The stator slot full ratio is low, which reduces the power density of the motor and increases the size and weight of the motor; 2) There is a gap between adjacent teeth, which causes magnetic flux leakage and reduces work efficiency. At the same time, cogging torque will be brought, which will increase the vibration and noise during the operation of the motor; 3) The winding is wound by the inner winding method, which is inconvenient to wind and takes a long time to wind, which reduces production effic...

AI Technical Summary

Problems solved by technology

This structure has the following problems: 1) The stator slot full ratio is low, which reduces the power density of the motor and increases the size and weight of the motor; 2) There is a gap between adjacent teeth, which causes magnetic flux leakage and reduces work efficiency. At the same time, cogging torque will be brought, which will increase the vibration and noise during the operation of the motor; 3) The winding is wound in an inner winding method, which is inconvenient to wind and takes a long time to wind, which reduces production efficiency and increases production costs

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