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CN-115632499-B - Stator core module, insulating skeleton module, stator, motor and compressor

CN115632499BCN 115632499 BCN115632499 BCN 115632499BCN-115632499-B

Abstract

The utility model relates to a stator core module, insulating skeleton module, stator, motor and compressor, this stator core module includes along the first towards piece and two second towards pieces of axial range upon range of setting, and two second towards pieces are located the relative both sides of first towards piece respectively, and first towards piece includes first tooth portion, and the second towards piece includes the second tooth portion, and the width of first tooth portion is less than the width of second tooth portion, two second tooth portion with first tooth portion encloses to close and forms the tooth portion groove. The technical scheme of the disclosure effectively solves the technical problems of low working efficiency and high noise during working of the traditional motor.

Inventors

  • WU GUANGRONG
  • Han Linda
  • BU FANGFANG
  • ZHANG QIANG
  • TANG HAO

Assignees

  • 珠海格力电器股份有限公司

Dates

Publication Date
20260512
Application Date
20221019

Claims (11)

  1. 1. The insulation framework module is used for being matched with a stator core module and comprises a first punching sheet and two second punching sheets which are arranged in an axial lamination mode, the two second punching sheets are respectively located on two opposite sides of the first punching sheet, the first punching sheet comprises a first tooth portion, the second punching sheet comprises a second tooth portion, the width of the first tooth portion is smaller than that of the second tooth portion, the two second tooth portions and the first tooth portion are in surrounding connection to form a tooth portion groove, and the insulation framework module is characterized by comprising a first insulation framework, a second insulation framework and a connecting piece, wherein the connecting piece is connected to one end, close to the second insulation framework, of the first insulation framework, the connecting piece is used for covering the tooth portion groove of the stator core module, the connecting piece is located on the inner side of the first insulation framework, one side, far away from the first insulation framework, of the connecting piece is abutted to the bottom of the tooth portion groove, the connecting piece is full of the tooth portion groove, and the connecting piece is abutted to the inner side of the first insulation framework, and the end of the connecting piece is abutted to the outer side of the insulation framework.
  2. 2. The insulating skeletal module of claim 1, wherein the connector has a thickness W4 and a height H4, wherein 7≤h4/w4≤11.
  3. 3. The insulating framework module of claim 1, wherein a first insulating framework comprises a first framework seat and two first U-shaped groove arms arranged back to back, the two first U-shaped groove arms are respectively connected to two opposite sides of the first framework seat, and the second insulating framework comprises a second framework seat and two second U-shaped groove arms arranged back to back, the two second U-shaped groove arms are respectively connected to two opposite sides of the second framework seat; The connecting piece comprises a connecting part and an abutting part, wherein the connecting part is connected to the inner side of the first U-shaped groove arm, the abutting part is exposed out of the first U-shaped groove arm, and one end, away from the second framework seat, of the second U-shaped groove arm abuts against the outer side of the abutting part.
  4. 4. A stator core module for cooperation with the insulating skeleton module of any one of claims 1 to 3, wherein the width of the first tooth is W1, and the width of the second tooth is W2, wherein 0.7 is less than or equal to W1/W2 is less than or equal to 0.9.
  5. 5. The stator core module of claim 4 wherein the first tooth has a height H1 and the stator core module has a height H, wherein 0.1 ∈h1/H ∈0.3.
  6. 6. The stator core module of claim 5, wherein the difference in width between the second tooth and the first tooth is W3 and the difference in height between the stator core module and the first tooth is H2, wherein 14 +.h2/w3 +.21.
  7. 7. The stator core module as claimed in any one of claims 4 to 6 wherein the tooth slots have any one of rectangular, triangular, prismatic, polygonal, hemispherical, arcuate and curved cross-sectional shapes in a radial direction of the stator core module.
  8. 8. The stator core module of any one of claims 4 to 6, wherein the first lamination further comprises a first yoke coupled to an outer side of the first tooth, and the second lamination further comprises a second yoke coupled to an outer side of the second tooth, the first yoke having a width that is less than a width of the second yoke.
  9. 9. A stator comprising a plurality of stator core modules continuously distributed in a circumferential direction and an insulating skeleton module mated with each of the stator core modules, wherein the stator core modules are the stator core modules according to any one of claims 4 to 8, and the insulating skeleton module is the insulating skeleton module according to any one of claims 1 to 3.
  10. 10. An electric machine comprising a rotor and a stator as claimed in claim 9, the rotor core of the rotor having a height H3 and the stator core of the stator having a height H4, wherein 5mm < H3-H4 < 15mm.
  11. 11. A compressor is characterized in that, comprising the motor of claim 10.

Description

Stator core module, insulating skeleton module, stator, motor and compressor Technical Field The disclosure relates to the technical field of motors, and in particular relates to a stator core module, an insulating framework module, a stator, a motor and a compressor. Background In the conventional art, the stator is a stationary part of the motor. The stator generally comprises three parts, namely a stator core, a stator winding and a machine base, wherein the stator winding is wound on the stator core to form a rotating magnetic field to drive the rotor to move, and the stator core is generally formed by laminating stator punching sheets. And the stator laminations include teeth and a yoke, with the stator windings generally wound around the teeth of the stator laminations. In the related art, a rotor core of an electric motor is mostly higher than a stator core. When the motor rotor adopts a material with smaller remanence as a magnetic pole material, the stator core is greatly influenced by the magnetic field at the end part, and the influence of the middle magnetic density is small, so that the magnetic density distribution of the stator tooth part is uneven, and the problems of low efficiency, high noise and the like of the motor are caused. Disclosure of Invention The present disclosure provides a stator core module, insulating skeleton module, stator, motor and compressor to solve the technical problem that traditional motor's work efficiency is low and the during operation noise is big. Therefore, in a first aspect, the present disclosure provides a stator core module, including a first punching sheet and two second punching sheets that are stacked in an axial direction, where the two second punching sheets are located on two opposite sides of the first punching sheet, respectively, the first punching sheet includes a first tooth portion, the second punching sheet includes a second tooth portion, a width of the first tooth portion is smaller than a width of the second tooth portion, and the two second tooth portions and the first tooth portion enclose to form a tooth portion groove. In one possible embodiment, the width of the first tooth is W1 and the width of the second tooth is W2, wherein 0.7≤W1/W2≤0.9. In one possible embodiment, the height of the first tooth is H1 and the height of the stator core module is H, wherein 0.1+.h1/h+.0.3. In one possible embodiment, the difference in width between the second tooth and the first tooth is W3, and the difference in height between the stator core module and the first tooth is H2, wherein 14≤H2W3≤21. In one possible embodiment, the tooth slot has any one of a rectangular, triangular, prismatic, polygonal, hemispherical, arcuate, and curved cross-sectional shape in the radial direction of the stator core module. In one possible embodiment, the first punch further comprises a first yoke connected to the outside of the first tooth, and the second punch further comprises a second yoke connected to the outside of the second tooth, the width of the first yoke being smaller than the width of the second yoke. In a second aspect, the present disclosure further provides an insulating skeleton module, cooperating with the stator core module as described above, where the insulating skeleton module includes a first insulating skeleton, a second insulating skeleton, and a connecting member, the connecting member is connected to one end of the first insulating skeleton, which is close to the second insulating skeleton, and the connecting member is used to cover a tooth slot of the stator core module. In one possible embodiment, the thickness of the connector is W4 and the height of the connector is H4, wherein 7≤H2 4/W4≤11. In one possible implementation manner, the first insulating framework comprises a first framework seat and two first U-shaped groove arms which are arranged back to back, the two first U-shaped groove arms are respectively connected to two opposite sides of the first framework seat, the second insulating framework comprises a second framework seat and two second U-shaped groove arms which are arranged back to back, and the two second U-shaped groove arms are respectively connected to two opposite sides of the second framework seat; the connecting piece includes connecting portion and the butt portion of connection, and connecting portion connects in the inboard of first U type groove arm, and the butt portion exposes first U type groove arm, and the one end butt that second U type groove arm kept away from the second skeleton frame is in the outside of butt portion. In a third aspect, the present disclosure further provides a stator, including a plurality of stator core modules continuously distributed along a circumferential direction and an insulating skeleton module mated with each stator core module, where the stator core module is a stator core module as described above, and the insulating skeleton module is an insulating skeleton module as d