Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

External rotor motor and electric vehicle

An external rotor motor and external rotor technology, applied in the field of electric vehicles, can solve problems such as inability to guarantee concentricity, inconvenient maintenance work, and reduced maintenance efficiency, so as to improve maintenance efficiency and maintenance quality, improve use safety, and reduce maintenance difficulty. Effect

Active Publication Date: 2016-09-28
ZHEJIANG LUYUAN ELECTRIC VEHICLE
View PDF5 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the external rotor motors used in the market mainly use Hall elements to detect the rotor position. Among them, the Hall elements of the existing external rotor motors are installed in the teeth or slots of the stator assembly inside the motor. When the Hall element is damaged and a fault occurs, the motor end cover must be opened, the stator assembly must be taken out, and then the Hall element on the stator assembly must be repaired. The maintenance process is cumbersome, which brings inconvenience to the maintenance work and reduces the maintenance efficiency. At the same time, due to frequent disassembly, problems such as friction between the outer rotor assembly and the stator assembly, water leakage of the motor, and inability to guarantee concentricity may occur
In addition, if the Hall element is directly installed on the stator assembly, the temperature rise of the stator assembly will cause damage to the Hall element

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
  • External rotor motor and electric vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036]In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0037] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0038] Refer below figure 1 An outer rotor electric machine 1 according to some embodiments of the present invention is described.

[0039] Such as figure 1 As shown, the embodiment of the first as...

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 an external rotor motor and an electric vehicle. The external rotor motor comprises an external rotor module, a stator module, a motor shaft and a Hall module, wherein the external rotor module and the stator module are assembled on the motor shaft; the stator module is positioned in an accommodating cavity for a wheel hub of the external rotor module; and the Hall module is arranged on the motor shaft, and is positioned in a magnetic ring on an end cover of the external rotor module for detecting a magnetic field of the magnetic ring. In the technical scheme, by using the installation manner that the Hall module is separated from the stator module, the Hall module can be maintained without taking the stator module out from the interior of the external rotor motor, so that the maintenance difficulty of the Hall module is reduced, and the maintenance efficiency of the external rotor motor is improved; and moreover, the condition that the temperature of the stator module in the working process is too high to burn out the Hall module is effectively avoided, so that the service life of the Hall module is prolonged.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to an outer rotor motor and an electric vehicle including the outer rotor motor. Background technique [0002] At present, the external rotor motors used in the market mainly use Hall elements to detect the rotor position. Among them, the Hall elements of the existing external rotor motors are installed in the teeth or slots of the stator assembly inside the motor. When the Hall element is damaged and a fault occurs, the motor end cover must be opened, the stator assembly must be taken out, and then the Hall element on the stator assembly must be repaired. The maintenance process is cumbersome, which brings inconvenience to the maintenance work and reduces the maintenance efficiency. At the same time, due to frequent disassembly, problems such as friction between the outer rotor assembly and the stator assembly, water leakage of the motor, and inability to guarantee concentricity may...

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
IPC IPC(8): H02K11/215
CPCY02T10/64
Inventor 倪捷姚国柱朱正虎李洋吴舜翔
Owner ZHEJIANG LUYUAN ELECTRIC VEHICLE
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com