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Stator, single-phase induction motor, compressor and refrigeration equipment

A technology for stators and stator slots, which is applied in the fields of compressors, refrigeration equipment, stators, and single-phase induction motors. It can solve the problems of obsolete stator slots and failure to improve the working efficiency of motors, and achieve the reduction of harmonic magnetic field, reduction of additional losses and Effect of Harmonic Leakage Reactance and Improvement of Efficiency Level

Pending Publication Date: 2020-03-10
GUANGDONG MEIZHI COMPRESSOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The number of stator slots of existing single-phase induction motors is generally 20, 24, etc. The design of the number of stator slots is relatively old and cannot improve the working efficiency of the motor

Method used

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  • Stator, single-phase induction motor, compressor and refrigeration equipment
  • Stator, single-phase induction motor, compressor and refrigeration equipment
  • Stator, single-phase induction motor, compressor and refrigeration equipment

Examples

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Embodiment Construction

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0031] Refer below Figure 1-Figure 6 The stator 1 according to the embodiment of the present invention is described.

[0032] Such as figure 1 , figure 2 and image 3 As shown, the stator 1 according to the embodiment of the first aspect of the present invention includes: a stator core 1a, a winding 2, the stator core 1a has a stator slot, and the stator slot includes a plurality of first stator slots 1b and a plurality of second stator slots 1c, the number of stator slots is 28, and the 28 stator slots surround the stator core 1a ...

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Abstract

The embodiment of the invention discloses a stator, a single-phase induction motor, a compressor and refrigeration equipment. The stator comprises a stator core and a winding, wherein the stator coreis provided with stator slots, the stator slots include a plurality of first stator slots and a plurality of second stator slots, the radial depth of each second stator slot is less than that of eachfirst stator slot, the number of the stator slots is 28, and the 28 stator slots surround the stator core in the stator core in a 12-group mode; and the winding includes a main winding and an auxiliary winding, and the main winding and the auxiliary winding are wound in the stator slots. Therefore, the number of the stator slots is set to be 28, and the stator slots are arranged into 12 groups. Compared with the traditional stator, the number of the stator slots is larger, the stator slots are more reasonable, the harmonic magnetic field of the stator is reduced, the additional loss and harmonic leakage reactance of the stator are reduced, and the efficiency level of the single-phase induction motor is effectively improved.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a stator, a single-phase induction motor, a compressor and refrigeration equipment. Background technique [0002] In the related art, in a compressor used in a refrigeration device such as an air conditioner, the driving component in the compressor is an electric motor, and the electric motor usually adopts a brushless DC motor or an induction motor. [0003] For a compressor using a single-phase induction motor, the single-phase induction motor usually includes: a stator winding composed of a main winding and an auxiliary winding connected in series with a running capacitor with a coil angle of 90 degrees from the main winding, and the rotor is generally a squirrel-cage type. Cast aluminum construction. The number of stator slots of existing single-phase induction motors is generally 20, 24, etc. The design of the number of stator slots is relatively old and cannot improve the w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/16H02K3/28
CPCH02K1/165H02K3/28
Inventor 张尊睦张德金向东邱小华江波
Owner GUANGDONG MEIZHI COMPRESSOR
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