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

A transmission for a front-drive plug-in hybrid vehicle

A technology of hybrid electric vehicle and transmission device, which is applied to the arrangement of multiple prime movers of power device, air pressure power device, and general power device, and can solve the problems of unable to optimize the working state of the motor and limit the matching ability, and achieve Facilitate product development, meet power requirements, and achieve flexible structural design

Active Publication Date: 2018-04-10
江西鼎盛新材料科技有限公司
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the plug-in hybrid system that focuses more on pure electric driving, this solution still has certain shortcomings.
For example, the torque of the engine needs to be balanced by a small motor connected to the sun gear, that is, increasing the engine requires increasing the torque requirement of the small motor. The structural characteristics of this system limit its matching ability
During pure electric driving, the system can only realize the pure electric mode of a single gear, and cannot optimize the working state of the motor
Therefore, when the Toyota system is used in a plug-in hybrid system, there is still a lot of room for improvement.

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 transmission for a front-drive plug-in hybrid vehicle
  • A transmission for a front-drive plug-in hybrid vehicle
  • A transmission for a front-drive plug-in hybrid vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A transmission for a front-drive plug-in hybrid vehicle such as figure 1 As shown, it includes small motor EM1, large motor EM2, first clutch C0, second clutch C1, third clutch C2, differential 1, input shaft 2, output shaft 3, first single planetary row PG1, second single The planetary row PG2, the first brake B1, the second brake B2, the first reduction gear Z1, the second reduction gear Z2, the third reduction gear Z3, the first clutch C0 and the first clutch C1 in this embodiment are normally open type Clutch; the first single planetary row PG1 includes the first sun gear S1, the first planetary gear P1, the first planetary carrier PC1 and the first outer ring gear R1, the first planetary gear P1 is installed on the first planetary carrier PC1, the first The planetary gear P1 meshes with the first sun gear S1 and the first outer ring gear R1 respectively; the second single planet row PG2 includes the second sun gear S2, the second planetary gear P2, the second plane...

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 transmission device for a front-drive plug-in hybrid vehicle. The transmission device for the front-drive plug-in hybrid vehicle comprises a small motor (EM1), a big motor (EM2), a planetary gear power coupling mechanism and a double reduction gear train and is provided with a first brake (B1), a second brake (B2), a first clutch (C0), a second clutch (C1) and a third clutch (C2) to realize a plurality of pure electric driving modes and a hybrid driving modes, wherein the planetary gear power coupling mechanism consists of two single planetary gear rows. During pure electric driving, the clutch C0 is opened to be separated from an engine and the brake B1 and the brake B2 are controlled to be closed or opened to realize the pure electric driving mode with three gears. When the clutch C0 is closed, the engine participates in working to enter the hybrid driving mode, and B1, B2, C1 and C2 are controlled in a coordinated way to realize a hybrid driving mode with a plurality of fixed rotation ratios and a power shunting driving mode with a plurality of fixed rotation ratios. The invention has the advantages of high transmission efficiency, high torque output performance and the like and is suitable for power coupling and transmission of the plug-in hybrid vehicle.

Description

technical field [0001] The invention relates to a transmission device for automobiles, in particular to a transmission device for a front-drive plug-in hybrid vehicle. Background technique [0002] In order to deal with energy security, air pollution and other issues, major automobile companies are actively taking countermeasures, mainly focusing on the improvement of internal combustion engine systems and the development of new energy drive systems. The technically mature hybrid power system and the plug-in hybrid power system developed on this basis have become feasible technical solutions to solve automobile energy consumption and environmental pollution at this stage, and have broad market prospects. [0003] At present, the hybrid systems that have been mass-produced are all deep hybrid systems. The representative product is the first single-planetary hybrid model PRIUS launched by Toyota in 1997. This model uses a planetary gear mechanism as a power coupling device, w...

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): B60K6/36B60K17/04B60K17/08
CPCB60K6/36B60K17/04B60K17/08
Inventor 韩兵钟发平王延芸张彤
Owner 江西鼎盛新材料科技有限公司
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