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Variable transmission system of hybrid car and operation method of variable transmission system

A hybrid electric vehicle, variable speed transmission technology, applied in the variable speed transmission system, the operation field of the transmission system, to achieve the effect of optimizing configuration, improving power and economy

Active Publication Date: 2017-05-24
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, there is currently no technical solution that can solve this problem well.

Method used

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  • Variable transmission system of hybrid car and operation method of variable transmission system
  • Variable transmission system of hybrid car and operation method of variable transmission system
  • Variable transmission system of hybrid car and operation method of variable transmission system

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Embodiment Construction

[0037] The specific implementation of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0038] Such as figure 1 The structure of the present invention shown is a variable speed transmission system for a hybrid electric vehicle. The transmission system of the present invention is composed of 23 main components, which are engine 1, engine brake 2, front planetary gear system sun gear 3, front planetary gear system planetary gear 4, front planetary gear system ring gear 5, EM1 motor 6, front Planetary gear clutch 7, front planetary gear carrier 8, engine power clutch 9, second driven gear 10, wheels 11, second driven gear 12, first driven gear 13, first driven gear 14. Rear planetary gear carrier 15, rear planetary gear...

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Abstract

The invention discloses a variable transmission system of a hybrid car. The variable transmission system is characterized in that an engine is connected with a front planetary gear system through an EM1 motor; the output shaft of the front planetary gear system is coaxially connected with the input shaft of a rear planetary gear system in a fastened manner; the output shaft of the rear planetary gear system is connected with the input shaft of a reducer; the output shaft of the reducer is connected with the drive axle of wheels; an EM2 motor is mounted on a connecting shaft between the front planetary gear system and the rear planetary gear system. The invention further discloses an operation method of the variable transmission system. By the arrangement, the variable transmission system has the advantages that energy transmission and conversion among the engine, the motors and a battery are achieved by the two planetary gear systems integrated with the motors, and stable and fast switching among a pure-engine drive mode, a single-motor drive mode, a double-motor drive mode and a hybrid drive mode can be achieved; a speed ratio can be changed according to car operation working conditions, optimized energy configuration is achieved, and car power performance and economic performance can be increased.

Description

technical field [0001] The invention belongs to the technical field of automobile structural parts. More specifically, the present invention relates to a transmission system for a hybrid electric vehicle. In addition, the invention also relates to the operating method of the transmission system. Background technique [0002] With economic development and scientific and technological progress, cars not only play the role of means of transportation in fast-paced, high-efficiency life, but also the second mobile home in people's minds. Therefore, there are more and more functions of cars, and the requirements for intelligence, comfort, and power are getting higher and higher; at the same time, the growth of vehicle ownership, the depletion of fossil energy and the deterioration of the atmospheric environment have also brought a series of social problems . [0003] The country formulates emission regulations, promulgates incentive policies, formulates long-term plans, and vig...

Claims

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Application Information

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IPC IPC(8): B60K6/365B60K6/40B60K6/442B60K6/547B60L7/10
CPCB60K6/365B60K6/40B60K6/442B60K6/547B60L7/10B60L2220/42Y02T10/62Y02T10/84
Inventor 韩尔樑周之光王庆来黄东景枫耿丽珍
Owner CHERY AUTOMOBILE CO LTD