Rotor sheet and motor

A rotor punching and punching technology, applied in the field of motors, can solve the problems of the overall performance of the motor, difficulty in line operation, low efficiency, etc., and achieve the effects of reducing additional loss, improving performance, and increasing starting torque

Active Publication Date: 2014-09-10
ZHUHAI LANDA COMPRESSOR +1
View PDF10 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the shape of the tooth slots of the winding coils of the motor rotor punching sheets is randomly designed. Only the use of tests shows that their performances are different, some of which are not very different from each other, while others are very different. The reason is that the layout is not reasonable enough, which not only brings difficulty to the line-entry operation, but also causes the overall performance of the motor to decline
[0003] There is a motor rotor on the market that adopts all pear-shaped slots. The pear-shaped slots have the advantages of high slot area utilization, long die life, and easy mold manufacturing, but there are disadvantages such as low efficiency and low air gap magnetic density.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Rotor sheet and motor
  • Rotor sheet and motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] In order to make the purpose, technical solution and advantages of the present invention clearer, the rotor punch and the motor of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] An electrical machine includes a rotor (not shown), and the rotor includes a rotor core (not shown) formed by laminating a plurality of rotor punches.

[0024] Among them, the rotor punches, such as figure 1 , 2 As shown, it includes a punching body 1, and the periphery of the punching body 1 is uniformly arranged with slots 2 for winding the rotor coil;

[0025] The alveolar 2 includes a first alveolar portion 3 and a second alveolar portion 4;

[0026] The first alveolar portion 3 includes a first groove side 5 and a second groove side 6 which are arrange...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a rotor sheet and a motor. The rotor sheet comprises rotor sheet bodies which are uniformly peripherally distributed and used for coiling a tooth groove of a rotor coil; the tooth space consists of a first tooth groove part and a second tooth groove part, wherein the first tooth groove part comprises a first groove side and a second groove side which are symmetrically arranged in parallel; the second tooth groove part comprises a third groove side and a fourth groove side; the third groove side is parallel to the fourth groove side of the adjacent tooth groove. The rotor sheet with the structure above has the advantages that the cost is low, the manufacture is simple, the leakage resistance of groove openings is small, the current is large, and current skin effect can be generated, thus the additional loss of the motor is decreased, the starting torque is raised, and as a result, the performance of the whole motor is improved.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a rotor punch and a motor. Background technique [0002] At present, the shape of the tooth slots of the winding coils of the motor rotor punching sheets is randomly designed. Only the use of tests shows that their performances are different, some of which are not very different from each other, while others are very different. The reason is that the layout is not reasonable enough, which not only brings difficulty to the line-entry operation, but also causes the overall performance of the motor to decline. [0003] There is a motor rotor on the market that adopts all pear-shaped slots. The pear-shaped slots have the advantages of high slot area utilization, long die life, and easy mold manufacturing, but have disadvantages such as low efficiency and low air gap magnetic density. Contents of the invention [0004] The purpose of the present invention is to provide a rotor punch...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/26
Inventor 张继胤
Owner ZHUHAI LANDA COMPRESSOR
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap