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Motor stator core and compressor

A motor stator and stator core technology, applied in the field of compressors, can solve the problems of air gap magnetic field harmonic control air gap accuracy and other issues

Active Publication Date: 2019-11-15
GUANGDONG WELLING ELECTRIC MACHINE MFG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem existing in the prior art that the accuracy of the air gap cannot be controlled while reducing the harmonics of the air gap magnetic field, and to provide a motor stator core, which can reduce the harmonics of the air gap magnetic field and at the same time Better concentric positioning to control air gap accuracy

Method used

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  • Motor stator core and compressor
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  • Motor stator core and compressor

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Embodiment Construction

[0031] In the present invention, unless stated to the contrary, the used orientation words such as "up, down, left, and right" generally refer to up, down, left, and right with reference to the drawings. "Inner and outer" refer to inner and outer relative to the outline of the part itself. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0032] The present invention provides a motor stator core, which includes a plurality of stacked motor stator core punching pieces, and the motor stator core punching piece includes a yoke 10, a reference axi...

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Abstract

The invention relates to the electromechanical field and discloses a motor stator iron core and a compressor. The motor stator iron core comprises a plurality of superposed motor stator iron core punching sheets. Each motor stator iron core punching sheet comprises a yoke portion (10), a reference axis (20) and a plurality of teeth (30). The plurality of motor stator iron core punching sheets comprise at least two first stator iron core punching sheets (1) and at least two second stator iron core punching sheets (2). The plurality of teeth of the first stator iron core punching sheets are arc top teeth (31). End surfaces of the arc top teeth (31) are arc surfaces. The arc surfaces form a center hole (50) taking the reference axis (20) as a center shaft. The plurality of teeth of the second stator iron core punching sheets are flat top teeth (32). End surfaces of the flat top teeth (32) are planes. The planes are parallel to or are superposed with an outer tangent plane of the center hole (50). An air gap magnetic field harmonic wave can be reduced and simultaneously concentric positioning is performed so as to control air gap precision.

Description

technical field [0001] The invention relates to the electromechanical field, in particular to a motor stator core and a compressor using the motor stator core. Background technique [0002] As an important energy conversion device, motors are widely used in various production machinery and equipment driven by electric motors. As an important type of motor, rotating electrical machines include stators and rotors. The motor rotor installed in the compressor generally adopts a cantilever structure. Since it is only supported by a single-sided bearing, it is necessary to adjust the air gap with tooling such as a feeler gauge during the installation of the rotor. [0003] However, the outer circular arc of the existing rotor core must have a concentric circular arc with a large span angle. The existence of this circular arc makes it more difficult to optimize the rotor, and it is difficult to reduce the harmonics of the air-gap magnetic field. In order to reduce the harmonics o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/14H02K1/16
CPCH02K1/14H02K1/165H02K2201/03
Inventor 王飞陈金涛
Owner GUANGDONG WELLING ELECTRIC MACHINE MFG