CN102490599B - Double-power coupling driving system for pure electric automobile - Google Patents
Double-power coupling driving system for pure electric automobile Download PDFInfo
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- CN102490599B CN102490599B CN201110440421.2A CN201110440421A CN102490599B CN 102490599 B CN102490599 B CN 102490599B CN 201110440421 A CN201110440421 A CN 201110440421A CN 102490599 B CN102490599 B CN 102490599B
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Abstract
The invention relates to a double-power coupling driving system for a pure electric automobile. The system comprises an auxiliary driving motor and a main driving motor, wherein the auxiliary driving motor is connected with a transmission gear 1 through a transmission shaft 1; the transmission gear 1 is meshed with a back gear 1; the back gear 1 is connected with an output shaft gear 1; the output shaft gear 1 is arranged on an output shaft; the main driving motor is respectively connected with a transmission gear 2 and a transmission gear 3 through a transmission shaft 2; the transmission gear 2 is meshed with an output shaft gear 2; the output shaft gear 2 is arranged on the output shaft; the transmission gear 3 is meshed with a back gear 2; the back gear 2 is meshed with an output shaft gear 3; and the output shaft gear 3 is arranged on the output shaft. The system has the advantages that: double-motor coupling driving is adopted, so that the requirements of the maximum speed and the maximum climbing in the driving process of the automobile are met.
Description
Technical field
The present invention relates to a kind of Double-power coupling driving system for pure electric automobile.
Background technology
Pure electric coach adopts single motor to drive mostly at present, but because drive motor can not meet the requirement of electronlmobil while about maximum speed and maximum grade climbing performance simultaneously, therefore change speed gear box cannot be substituted, mechanical automatic gearbox is because its driving efficiency is high, feature simple in structure is extensively adopted by electric bus, and current pure electric bus is realized gearshift by motor and automatic machincal transmission (AMT) are carried out to integrated control.But in actual application, find to exist the gearshift time long, gearshift is impacted obviously, sometimes even there will be vehicle not change in the process of moving the problem of gear.
Summary of the invention
The object of this invention is to provide a kind of Double-power coupling driving system for pure electric automobile, adopt double-motor couple drive, can realize the torque coupling of double-motor by two escapements, thereby maximum speed and maximum requirement of climbing in Vehicle Driving Cycle process are met, and just can change the speed of a motor vehicle by the rotating speed that changes two motors, the gearshift impact while having avoided adopting AMT and long problem of gearshift time.
The object of the invention is to be achieved through the following technical solutions:
A kind of Double-power coupling driving system for pure electric automobile, comprise auxiliary drive motor and main drive motor, described auxiliary drive motor is connected with transmission gear one by transmission shaft one, transmission gear one is connected with a joggle with reverse gear one, reverse gear one is connected with output shaft gear one, output shaft gear one is arranged on output shaft, main drive motor is connected with transmission gear two and transmission gear three respectively by transmission shaft two, the inside of transmission gear two is provided with single clutch one, the inside of transmission gear three is provided with and turns to the free-wheel clutch contrary with free-wheel clutch one two, being connected with a joggle with output shaft gear two of transmission gear two, output shaft gear two is arranged on described output shaft, transmission gear three is connected with a joggle with reverse gear two, reverse gear two is connected with a joggle with output shaft gear three, output shaft gear three is arranged on described output shaft.
Beneficial effect of the present invention is: when can meeting the maximum speed of vehicle and maximum climbing, removed change speed gear box, thereby transmission system is more simplified, the gearshift time while also having avoided adopting change speed gear box is long, gearshift impact and the difficult problem of shifting gears; Improve the driving efficiency of driving system; And except also changing main drive motor into driving engine with two motors as driving, therefore can be applied to hybrid power and drive; In addition wherein any one motor lost efficacy after the another one driving Vehicle Driving Cycle that can work on, improve the reliability of whole system, and after coupling, output torque is the stack of two motor torques, strengthen the tractive performance of vehicle, reduce cost, save the installing space of vehicle, made whole drive system compacter.
Brief description of the drawings
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the structural representation of the Double-power coupling driving system for pure electric automobile described in the embodiment of the present invention.
In figure:
1, auxiliary drive motor; 2, main drive motor; 3, transmission shaft one; 4, transmission gear one; 5, reverse gear one; 6, output shaft gear one; 7, output shaft; 8, transmission shaft two; 9, transmission gear two; 10, transmission gear three; 11, free-wheel clutch one; 12, output shaft gear two; 13, reverse gear two; 14, output shaft gear three; 15, vehicle bridge; 16, wheel; 17, free-wheel clutch two.
Detailed description of the invention
As shown in Figure 1, a kind of Double-power coupling driving system for pure electric automobile described in the embodiment of the present invention, comprise auxiliary drive motor 1 and main drive motor 2, described auxiliary drive motor 1 is connected with transmission gear 1 by transmission shaft 1, transmission gear 1 is connected with a joggle with reverse gear 1, reverse gear 1 is connected with output shaft gear 1, output shaft gear 1 is arranged on output shaft 7, main drive motor 2 is connected with transmission gear 29 and transmission gear 3 10 respectively by transmission shaft 28, the inside of transmission gear 29 is provided with single clutch 1, the inside of transmission gear 3 10 is provided with and turns to the free-wheel clutch contrary with free-wheel clutch 12 17, being connected with a joggle with output shaft gear 2 12 of transmission gear 29, output shaft gear 2 12 is arranged on described output shaft 7, transmission gear 3 10 is connected with a joggle with reverse gear 2 13, reverse gear 2 13 is connected with a joggle with output shaft gear 3 14, output shaft gear 3 14 is arranged on described output shaft 7, output shaft 7 is connected with vehicle bridge 15, vehicle bridge 15 is connected with wheel 16.
When concrete use, the inside of transmission gear 29 and transmission gear 3 10 is respectively equipped with free-wheel clutch 1 and free-wheel clutch 2 17, or the inside of transmission gear 29 and transmission gear 3 10 is connected with free-wheel clutch one 11 free-wheel clutchs 2 17 respectively, the opposite direction but the inner or coupled free-wheel clutch 1 of transmission gear 29 and transmission gear 3 10 and free-wheel clutch 2 17 work.And auxiliary drive motor 1 by transmission shaft 1, transmission gear 1, reverse gear 1 and output shaft gear 1 by power transmission to output shaft 7 and then pass to vehicle bridge 15, the power of main drive motor 2 under two different speed ratios respectively by transmission gear 29, output shaft gear 2 12 and transmission gear 3 10, reverse gear 2 13, output shaft gear 3 14 by transmission of power to output shaft 7 and then import vehicle bridge 15 into.
Operating mode one:
When auxiliary drive motor 1 rotates according to clockwise direction, main drive motor 2 rotates according to anticlockwise direction, now auxiliary drive motor 1 and main drive motor 2 are all in mode of operation, the power of auxiliary drive motor 1 is through transmission shaft 1, transmission gear 1, reverse gear 1 is delivered on output shaft 7, and the power of main drive motor 2 is through transmission gear 29, output shaft gear 2 12 is delivered on output shaft 7, now the moment of output is auxiliary drive motor 1 and main drive motor 2 stack of output torque separately, due to transmission gear 29, the speed ratio of output shaft gear 2 12 is larger, this kind of operating mode is applicable to the situation of low-speed big, therefore can meet the requirement of maximum climbing.Transmission gear 3 10 is passive freely rotating under this operating mode.
When drag, motor controller controls motor is in power generation mode, energy, through output shaft 7, reverse gear 1, transmission gear 1, transmission shaft 1 and output shaft gear 2 12, transmission gear 29 inputting assistant drive motor 1 and main drive motor 2 respectively, is then passed to closed-center system.
Operating mode two:
In the time that main drive motor 2 clockwise rotates, transmission gear 29 is free to slide, the power of auxiliary drive motor 1 and main drive motor 2 is passed to output shaft 7 through transmission shaft 1, transmission gear 1, reverse gear 1 and transmission gear 3 10, reverse gear 2 13, output shaft gear 3 14 respectively, then import vehicle bridge 15 into, the speed of transmission gear 3 10 is smaller, now can obtain higher output speed, output torque is still the stack that auxiliary drive motor 1 and main drive motor 2 are exported torque, meets the working condition requirement of the higher speed of a motor vehicle.
When braking, auxiliary drive motor 1 and main drive motor 2 are in power generation mode, and energy returns to closed-center system (battery).
Operating mode three:
When working independently, any one in auxiliary drive motor 1 and main drive motor 2 all can meet Vehicle Driving Cycle requirement, now another one motor is in charge mode, a torque part for work drive motor output is used for driving Vehicle Driving Cycle, another part is delivered to another motor through transmission system and makes its generating, charges to closed-center system.
Because an independent machine operation can drive Vehicle Driving Cycle, if therefore wherein any one motor break down do not affect vehicle continue travel.The more single motor of reliability drives further and improves.When brake, energy carries out feedback by two motors.
Operating mode four:
The realization of reversing gear realizes by auxiliary drive motor 1 reversion.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.
Claims (1)
1. a Double-power coupling driving system for pure electric automobile, comprise auxiliary drive motor (1) and main drive motor (2), it is characterized in that: described auxiliary drive motor (1) is connected with transmission gear one (4) by transmission shaft one (3), transmission gear one (4) is connected with a joggle with reverse gear one (5), reverse gear one (5) is connected with output shaft gear one (6), output shaft gear one (6) is arranged on output shaft (7), main drive motor (2) is connected with transmission gear two (9) and transmission gear three (10) respectively by transmission shaft two (8), the inside of transmission gear two (9) is provided with single clutch one (11), the inside of transmission gear three (10) is provided with and turns to the free-wheel clutch contrary with free-wheel clutch one (11) two (17), transmission gear two (9) is connected with a joggle with output shaft gear two (12), output shaft gear two (12) is arranged on described output shaft (7), transmission gear three (10) is connected with a joggle with reverse gear two (13), reverse gear two (13) is connected with a joggle with output shaft gear three (14), output shaft gear three (14) is arranged on described output shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440421.2A CN102490599B (en) | 2011-12-26 | 2011-12-26 | Double-power coupling driving system for pure electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440421.2A CN102490599B (en) | 2011-12-26 | 2011-12-26 | Double-power coupling driving system for pure electric automobile |
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| Publication Number | Publication Date |
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| CN102490599A CN102490599A (en) | 2012-06-13 |
| CN102490599B true CN102490599B (en) | 2014-12-03 |
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| CN201110440421.2A Active CN102490599B (en) | 2011-12-26 | 2011-12-26 | Double-power coupling driving system for pure electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3080069A1 (en) * | 2018-04-17 | 2019-10-18 | Valeo Equipements Electriques Moteur | OPTIMIZED TRACTION CHAIN OF A MOTOR VEHICLE COMPRISING TWO ELECTRIC ROTATING MACHINES |
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|---|---|---|---|---|
| CN104709434B (en) * | 2015-03-19 | 2017-04-05 | 重庆黄河摩托车有限公司 | A kind of powered tricycle and dynamical system |
| CN106051147A (en) * | 2016-08-10 | 2016-10-26 | 河北工业大学 | Electric automobile transmission |
| CN106627078A (en) * | 2017-01-24 | 2017-05-10 | 精进电动科技股份有限公司 | Transversely-arranged double-power-source vehicle driving assembly |
| CN107054036A (en) * | 2017-02-22 | 2017-08-18 | 吉林大学 | A kind of driving device for pure electric vehicles and driving method |
| CN112392930A (en) * | 2019-08-19 | 2021-02-23 | 比亚迪股份有限公司 | Transmission, two keep off coaxial axle assembly and vehicle |
| CN115489302A (en) * | 2022-08-25 | 2022-12-20 | 重庆青山工业有限责任公司 | Dual-motor four-wheel drive speed change system |
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| KR100369135B1 (en) * | 1999-12-28 | 2003-01-24 | 현대자동차주식회사 | Power transmit apparatus for hybrid electric vehicle |
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| US5549524A (en) * | 1994-10-03 | 1996-08-27 | Yang; Tai-Her | Multiple functioned combined power system |
| JP2000177410A (en) * | 1998-12-11 | 2000-06-27 | Fuji Heavy Ind Ltd | Working vehicle |
| EP1138981A2 (en) * | 2000-03-30 | 2001-10-04 | Nissan Motor Co., Ltd. | Infinite speed ratio continuously variable transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR3080069A1 (en) * | 2018-04-17 | 2019-10-18 | Valeo Equipements Electriques Moteur | OPTIMIZED TRACTION CHAIN OF A MOTOR VEHICLE COMPRISING TWO ELECTRIC ROTATING MACHINES |
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| CN102490599A (en) | 2012-06-13 |
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