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Energy-saving environmental-friendly hybrid power transmission mechanism

A technology of hybrid power and transmission mechanism, which is applied to the arrangement of multiple different prime movers and power plants of hybrid power vehicles and general power plants, and can solve the problems of large electric energy flow, low transmission efficiency and low efficiency of motor generators. , to achieve the effect of saving energy, reducing emissions, scientific and rational structural design

Active Publication Date: 2012-06-13
TIANJIN ZHONGDE TRANSMISSION
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The arrangement of the series structure is simple, but the transmission efficiency is too low; the transmission efficiency of the parallel structure is high, but the economical working speed of the engine cannot be controlled; the hybrid structure overcomes the shortcomings of series and parallel, and the overall performance is good
[0003] A typical hybrid structure transmission consists of an engine, a generator, an electric motor and a planetary gear mechanism. The planetary gear mechanism is used as a power coupling and distribution device, which can provide vehicles with two driving modes: pure electric drive and hybrid drive. This structure exists The following problems: a. The engine cannot always work in the economic zone; b. The clutch or torque converter used for starting the vehicle has low efficiency; c. The electric energy flow of the motor generator is large and the efficiency is low; d. The battery is only used as a power supply Raw energy, cannot balance engine power

Method used

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Embodiment Construction

[0012] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0013] An energy-saving and environment-friendly hybrid power transmission mechanism, comprising an engine, a first motor / generator 5, a second motor / generator 4, a first clutch 1, a dual clutch assembly (second clutch 3, third clutch 2 ), a first brake 6, a second brake 7, a compound planetary gear mechanism (also known as a Lavigne type planetary gear mechanism), an inverter, a battery and an electric control device. The first motor / generator 5 is connected with the large sun gear 10 of the Ravina planetary gear mechanism, the first clutch 1 is connected with the small sun gear 11 of the Ravina planetary gear mechanism, and the second motor / generator 4 is connected with the first clutch 1 is connected with the second clutch 3 of the dual c...

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Abstract

The invention relates to an energy-saving environmental-friendly hybrid power transmission mechanism which comprises an engine, a first motor / generator (5), a second motor / generator (4), a first clutch (1), a double-clutch assembly, a first brake (6), a second brake (7), a Ravina type planetary gear mechanism, an inverter, a battery and an electric control device, wherein the double-clutch assembly comprises a second clutch (3) and a third clutch (2). The energy-saving environmental-friendly hybrid power transmission mechanism has a scientific and reasonable structural design, can realize three hybrid power driving modes of pure electric mode, serial connection mode and hybrid connection mode, and can meet the requirement of running conditions of hybrid power automobiles; the engine can work in an economic region at a constant rotating speed for long, so as to effectively save energy sources and reduce emission; and the energy-saving environmental-friendly hybrid power transmission mechanism has the advantages of wide scope of application and low cost.

Description

technical field [0001] The invention relates to an automobile power transmission system, in particular to an energy-saving and environment-friendly hybrid power transmission mechanism for energy-saving and environment-friendly commercial vehicles and passenger vehicles. Background technique [0002] At present, the power transmission system of gasoline-electric hybrid vehicles is divided into three types: series, parallel and hybrid. The series structure is simple in layout, but the transmission efficiency is too low; the parallel structure has high transmission efficiency, but cannot control the economical operating speed of the engine; the hybrid structure overcomes the shortcomings of series and parallel, and has good overall performance. [0003] A typical hybrid structure transmission consists of an engine, a generator, an electric motor and a planetary gear mechanism. The planetary gear mechanism is used as a power coupling and distribution device, which can provide ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/44B60K6/365
CPCY02T10/6243F16H3/728Y02T10/623
Inventor 莫俊荣孟昭俊吴东刘强
Owner TIANJIN ZHONGDE TRANSMISSION
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