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Hybrid electric vehicle power system

A hybrid electric vehicle and power system technology, applied in the field of hybrid electric vehicle power system, can solve the problems of high cost, low working efficiency of driving motor, easy high temperature and heat generation, etc.

Inactive Publication Date: 2017-09-26
CHONGQING TSINGSHAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common hybrid electric vehicle power system includes the engine, the drive motor and the first planetary row. Its shifting process is smooth and impactless, and its work efficiency is high. Small, the engine cannot always work in the high-efficiency area, and the drive motor is inefficient, prone to high temperature and heat, and high in cost

Method used

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  • Hybrid electric vehicle power system

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Embodiment Construction

[0008] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0009] see figure 1 , the hybrid vehicle power system of the present invention includes an engine 1 comprising a crankshaft 2, a clutch 3, a drive motor 4 comprising a motor rotor 41, an output shaft 15, and its first sun gear 6 is located within the first planet carrier 8, The first planetary gear 7 is rotatably mounted on the first planetary carrier 8 , the first ring gear 9 is located in the first planetary row outside the first planetary carrier 8 , and the right end of the crankshaft 2 of the engine 1 is coupled with the clutch 3 . Depend on figure 1 It can be seen that the present invention also includes an outer ring 5, a connecting shaft 10, a brake 16, an ISG generator 17 including an ISG motor rotor 171, and its second sun gear 11 is located inside the second planetary carrier 13, and the second planetary gear 12 can be The second...

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Abstract

The invention provides a hybrid electric vehicle power system which is larger in transmission ratio and can make an engine work in an efficient zone and make the working efficiency of a driving motor higher. A first planet row of first sun wheels (6) of the system is fixedly connected with a second planet row of second sun wheels (11), the left end of an outer ring (5) is fixedly connected with a first planet row of first gear rings (9), the right end of the outer ring (5) is fixedly connected with a second planet row of second gear rings (14), the outer side is fixedly connected with a motor rotor (41) of a driving motor (4), the left end of a connecting shaft (10) is connected with a clutch (3), the middle of the connecting shaft (10) is connected with a brake (6), the right end of the connecting shaft (10) is connected with a first planet row of first planet carriers (8), a rotor (171) of an ISG power generator (17) is fixedly connected with a crankshaft (2) of the engine (1) and is located between the engine (1) and the clutch (3), and the right ends of a second planet row of second planet carriers (13) are fixedly connected with an output shaft (15).

Description

technical field [0001] The invention relates to a hybrid electric vehicle, in particular to a hybrid electric vehicle power system. Background technique [0002] The power system of a hybrid electric vehicle can not only meet the requirements of energy saving and emission reduction, but also has a smooth shifting process without impact and high efficiency. At present, the common hybrid electric vehicle power system includes the engine, the drive motor and the first planetary row. Its shifting process is smooth and impactless, and its work efficiency is high. Small, the engine cannot always work in the high-efficiency area, and at the same time, the drive motor has low working efficiency, high temperature and heat generation, and high cost. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a hybrid electric vehicle power system, which has a large transmission ratio, can make the engine always work in the high-effic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/365B60K6/26
CPCB60K6/365B60K6/26
Inventor 毛江罗瑞田孙宇陈方陈瑶胡佳会叶鑫于巍巍郭超
Owner CHONGQING TSINGSHAN IND
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