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

Hybrid excitation hub motor for electric vehicle

A hybrid excitation, in-wheel motor technology, applied in synchronous machines, electrical components, electromechanical devices, etc., can solve problems such as not being retrieved, and achieve the effect of reducing volume and weight

Active Publication Date: 2018-06-22
SHANDONG UNIV OF TECH
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, the applicant has not retrieved relevant reports on the use of the above technologies

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
  • Hybrid excitation hub motor for electric vehicle
  • Hybrid excitation hub motor for electric vehicle
  • Hybrid excitation hub motor for electric vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] The invention will be described in further detail below in conjunction with the accompanying drawings.

[0034] figure 1 It is a longitudinal sectional view of a hybrid excitation hub motor for an electric vehicle of the present invention.

[0035] The electric vehicle hybrid excitation hub motor consists of a shaft (1), a bearing (2), a hub (3), a first rotor pole (4), a first stator pole (5), a first armature winding (6), The stator core (7), the field winding (8), the permanent magnet (9), the second stator pole (10), the second armature winding (11), the second rotor pole (12) and the hub cover (13).

[0036] Sector-shaped stator cores (7) with a number of 2N are fixed back-to-back in the middle of the shaft (1), N is a natural number; the axial sides of the stator core (7) are respectively fixed on the first rotor on the hub (3) pole (4) and the second rotor pole (12) fixed on the hub cover (13);

[0037] The end face of the stator core (7) facing the first roto...

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 electric vehicle hybrid excitation hub motor which is composed of a shaft, a hub, rotor poles, stator poles, two sets of armature windings, stator iron cores, excitation windings, permanent magnets and a hub cap. The fan-shaped stator iron cores are fixed in the middle of the shaft in a back-to-back way. The two sides of the stator iron cores are provided with the protruding stator poles. The rotor poles are fixed on the internal walls of the two end surfaces of the hub. One permanent magnet is clamped between every two stator iron cores which are aligned in a circumferential direction. A groove is arranged between the two opposite stator iron cores and used for embedded arrangement of the excitation windings. Each stator pole is provided with the armature windings in a winding way. Integration of the hub and a driving motor is effectively realized by the technology so that the size and the weight of a driving system can be reduced; the rotor has no permanent magnet or excitation winding so that the possibility of demagnetization of the permanent magnets caused by impact can be reduced; a permanent magnetic field can be enhanced by an electric excitation magnetic field at low speed so that high-torque output can be realized; and the permanent magnetic field can also be weakened at high speed so that high-speed weak magnetic control can be realized.

Description

technical field [0001] The invention relates to a hybrid excitation hub motor of an electric vehicle, which belongs to the technical field of electric vehicles. Background technique [0002] The motor with two excitation sources of permanent magnet and electric excitation winding is called hybrid excitation motor, which not only has the advantages of high efficiency and power density of permanent magnet synchronous motor, but also has stronger magnetic field adjustment ability than permanent magnet synchronous motor. In view of the advantages of the hybrid excitation motor with a wide speed range, it is very suitable for use as an electric vehicle drive motor. [0003] The hub motor integrates the motor and the transmission device into the hub, so the transmission part of the electric vehicle is greatly simplified, which is the first advantage of the hub motor. The second advantage of the hub motor is that it can realize flexible and diverse designs of the car. The hub moto...

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 Patents(China)
IPC IPC(8): H02K21/04
CPCH02K21/046
Inventor 史立伟吴新振郭盈志张学义刘从臻
Owner SHANDONG UNIV OF TECH
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