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

A power system assembly of an electric vehicle

A power system and electric vehicle technology, applied in vehicle components, control devices, transportation and packaging, etc., can solve the problems of low working efficiency of motors, and achieve the effects of compact structure, reduced axial size, reduced mechanical connection and noise

Active Publication Date: 2016-01-27
HEFEI UNIV OF TECH
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, there is the problem of low working efficiency of the motor

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
  • A power system assembly of an electric vehicle
  • A power system assembly of an electric vehicle
  • A power system assembly of an electric vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0019] see figure 1 , a power system assembly of an electric vehicle includes a motor, a gearbox and a differential 17 . The motor includes a stator 2 , a rotor 1 and a rotor shaft 4 . The rotor shaft 4 is a hollow shaft, the rotor 1 is located at one end of the rotor shaft 4 , and the other end of the rotor shaft 4 is fixedly equipped with a central gear 18 . An intermediate shaft 9 is inserted through a bearing in the rotor shaft 4 , one end of the intermediate shaft 9 is installed on the motor housing 3 through a bearing, and the other end is installed on the gearbox housing 6 through a bearing. A planet carrier 10 and a synchronizer 12 are fixedly installed on the intermediate shaft 9 . Three planetary gears 7 are installed on the planet carrier 10 , and the three planetary gears 7 are externally meshed with the sun gear 18 and internally meshed with the inner ring gear 8 , which is fixedly installed in the gearbox housing 6 . The intermediate shaft 9 between the synchr...

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 relates to a power system assembly of an electric vehicle. The power system assembly comprises a motor, a gearbox and a differential mechanism, wherein the motor and a transmission are integrally designed, and the transmission comprises a planet wheel mechanism and a duplex gear mechanism. The power system assembly disclosed by the invention effectively reduces the complexities and areas of a motor shell and a transmission shell, and reduces the axial size of the power assembly; the power system assembly is compact in structure, small in size and light in weight, and is consistent with a light weight principle of automobile. According to the power system assembly, a rotor shaft of the motor is directly connected to a central gear of the planet wheel mechanism in the transmission, so as to avoid coaxial tolerance caused by a motor output shaft and a transmission input shaft which are in matched installation, thereby eliminating the subsequent mechanical vibration and relieving the mechanical connection and noise. On the other hand, compared with an existing electric vehicle, the power system assembly which is in two-gear transmission ensures that the motor can work in an efficient area for a long time, thus prolonging the driving range of the vehicle.

Description

technical field [0001] The invention belongs to the technical field of electric drive of electric vehicles, and in particular relates to a power system assembly of electric vehicles. Background technique [0002] In recent years, the development of my country's automotive motors has made significant progress. In terms of vehicle motor design, the structural integration design technology is adopted to realize the highly integrated design and application of the motor and transmission in terms of mechanics, electromagnetics and heat. The integration and integration trend of the electric drive system is more obvious. At present, in order to meet the loading requirements of the motor in the electric vehicles on the market, most manufacturers assemble the motor and the transmission on the body in the form of two independent parts. It is realized by matching the splines in the input shaft. But this will not only increase the mechanical noise and vibration, but also the motor fro...

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): B60K17/12B60K17/16
Inventor 陈奇黄守武张琰赵韩黄康何李婷晏伟清
Owner HEFEI 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