A stator structure for solving motor resonance

By designing the stator yoke with the twelve tangent sides and installing an insulating frame, combining the structure of the elliptical groove and the connecting groove, the natural frequency of the stator core is improved, the problems of electromagnetic vibration and noise are solved, and the disassembly and installation of the stator is simplified. , extends service life.

CN113162259BActive Publication Date: 2025-02-11ANHUI MEIFU INTELLIGENT CONTROL TECH CO LTD
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Patent Information

Application Number
CN202110528278.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-05-14
Publication Date
2025-02-11
Estimated Expiration
2041-05-14

AI Technical Summary

Technical Problem

The existing stator structure has shortcomings in reducing electromagnetic vibration and noise, and is inconvenient for disassembly and installation, resulting in a reduced service life.

Method used

A stator structure is designed, the outer wall of the stator yoke has twelve tangent sides, and an insulating frame is set up on the outer wall. Through the design of elliptical grooves, elliptical rings and connecting grooves, the natural frequency of the stator core is increased, and the connection components are connected. Improve the stability of the stator yoke and insulating frame, and facilitate the disassembly and installation of the stator core.

Benefits of technology

It effectively reduces electromagnetic vibration and noise caused by resonance, improves the service life of the stator, and optimizes the design of motor vibration noise.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a stator structure for solving motor resonance, including a stator yoke, the outer wall of the stator yoke is designed with twelve tangent edges, and an insulating frame is sleeved on the outer wall of the stator yoke, and a motor housing is sleeved on the outer wall of the insulating frame, a plurality of elliptical grooves are evenly opened in the middle of the front of the stator yoke, and a plurality of connecting grooves are evenly opened on the inner wall of the stator yoke, each connecting groove is interconnected with the corresponding elliptical groove, and an elliptical ring is clamped in each elliptical groove, a stator core is fixed on one side of each elliptical ring, each stator core is located in the corresponding connecting groove and is clamped and connected with the connecting groove, and a connecting component is arranged between each elliptical ring and the insulating frame. The present invention not only facilitates the disassembly and installation of the stator core, but also increases the yoke thickness by designing the stator yoke part to have twelve tangent edges and sleeved the insulating frame on the outer wall of the stator yoke, effectively reducing the electromagnetic vibration and noise caused by resonance.
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Citation Information

Patent Citations

  • Stator structure for solving motor resonance

    CN214799061U