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Automobile hybrid power system

A technology for hybrid power systems and automobiles, applied in hybrid vehicles, power units, pneumatic power units, etc., to solve the problems of insufficient reverse power and poor fuel economy, and to improve energy utilization efficiency, improve overall performance, good fuel economy

Inactive Publication Date: 2021-04-16
ZHEJIANG GEELY HLDG GRP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the above-mentioned problems in the existing technology, and propose a hybrid power system for automobiles. The present invention solves the problems of poor fuel economy and insufficient reverse gear power in the case of insufficient power of the power battery in the existing hybrid power system of automobiles.

Method used

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Embodiment Construction

[0036] The following is a specific embodiment of the present invention and in conjunction with the accompanying drawings, further describes the technical solution of the present invention, but the present invention is not limited to this embodiment.

[0037] Such as figure 1 As shown, the automobile hybrid power system includes an engine 1 , a generator 2 , a planetary gear train, a clutch transmission shaft 11 , a power transmission shaft 3 , a sun gear clutch 8 , a planet carrier clutch 9 , a brake 10 and a drive motor 4 . The brake 10 can brake the planetary carrier 7, the drive motor 4 is connected to the power transmission shaft 3, and the clutch transmission shaft 11 is rotatably connected to the vehicle body through a bearing. The planetary gear train includes a sun gear 5 , a ring gear 6 and a planetary carrier 7 equipped with planetary gears, and there are several planetary gears arranged evenly around the outer circumference of the sun gear 5 . The output shaft of t...

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Abstract

The invention provides an automobile hybrid power system, and belongs to the technical field of automobiles. The problems that an existing automobile engine shakes during intervention and retreating, the fuel economy is poor, reverse gear power is insufficient under the condition that the electric quantity of a power battery is insufficient, and a transmission is difficult to arrange due to the too long axial distance are solved. The automobile hybrid power system comprises an engine, a generator, a planetary gear train, a power transmission shaft and a driving motor in transmission connection with the power transmission shaft, an output shaft of the engine is in transmission connection with a gear ring, and a rotating shaft of the generator is in transmission connection with a sun gear. The hybrid power system further comprises a sun gear clutch, a planet carrier clutch and a brake capable of braking the planet carrier, the planet carrier clutch is used for achieving transmission connection or disconnection between the planet carrier and the power transmission shaft, and the sun gear clutch is used for achieving transmission connection or disconnection between the sun gear and the power transmission shaft. The automobile hybrid power system has the advantages of being good in NVH performance, good in fuel economy, high in reverse gear power performance and the like.

Description

technical field [0001] The invention belongs to the technical field of automobiles and relates to an automobile hybrid power system. Background technique [0002] In recent years, with the shortage of global oil resources and increasingly stringent domestic fuel consumption and emission regulations, there is an urgent need for research on more environmentally friendly, efficient and energy-saving automotive power systems. As a branch of new energy technology, hybrid vehicles have the advantages of better fuel economy and low emissions, and have become a new type of vehicle that is being developed. The key of the hybrid vehicle is the hybrid power system, and its performance is directly related to the overall performance of the hybrid vehicle. [0003] For example, a hybrid transmission and a hybrid vehicle disclosed in Chinese patent literature (application number: 201880086918.9; application publication number: CN111615466A), the hybrid transmission includes a first input ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/38B60K6/365B60K6/24B60K6/26
CPCY02T10/62
Inventor 于起顺
Owner ZHEJIANG GEELY HLDG GRP CO LTD
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