CN103640464A - Power-driven system of hybrid electric vehicle - Google Patents
Power-driven system of hybrid electric vehicle Download PDFInfo
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- CN103640464A CN103640464A CN201310578233.5A CN201310578233A CN103640464A CN 103640464 A CN103640464 A CN 103640464A CN 201310578233 A CN201310578233 A CN 201310578233A CN 103640464 A CN103640464 A CN 103640464A
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Abstract
The invention provides a power-driven system of a hybrid electric vehicle. The power-driven system of the hybrid electric vehicle comprises an engine, a motor and a main reducing gear. The power-driven system further comprises a stepless speed change mechanism and a power coupling device. The stepless speed change mechanism comprises a drive belt axle assembly and a driven belt axle assembly. The power coupling device comprises a first input shaft, a second input shaft, an output shaft and a plurality of gears. The engine is connected with the drive belt axle assembly, and the first input shaft is connected with the drive belt axle assembly. The motor is connected with the driven belt axle assembly, and the second input shaft is connected with the driven belt axle assembly. The output shaft is connected with the main reducing gear. The power-driven system of the hybrid electric vehicle is adopted, and therefore fuel consumption can be reasonably reduced, and the riding comfort can be improved.
Description
Technical field
The invention relates to Development of HEV Technology field, and particularly about a kind of power-driven system of hybrid vehicle.
Background technology
Hybrid vehicle (Hybrid Electrical Vehicle is called for short HEV) refers to and equips two kinds of power resources simultaneously---the automobile of heat dynamic resource (being produced by traditional spark ignition engine or diesel engine) and electrodynamic source (battery and electrical motor).By use motor on hybrid vehicle, make power system to require flexible regulation and control according to the actual operating mode of car load, and driving engine remains on work in the region of Combination property the best, thereby reduce oil consumption and discharge.
The features such as energy-conservation, the anti-emission carburetor of hybrid vehicle have caused the very big concern of automotive field and have become an emphasis of current automotive research and exploitation.In Development of HEV Technology field, how by the power coupling of driving engine and motor in its power-driven system, thereby the object that reaches reasonable reduction oil consumption and promote travelling comfort is the problem that automotive field are relatively paid close attention to.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of power-driven system of hybrid vehicle, can rationally reduce oil consumption and promote travelling comfort.
The invention provides a kind of power-driven system of hybrid vehicle, comprise driving engine, motor, and main reduction gear, described power-driven system also comprises stepless speed changing mechanism and dynamic coupling device; Described stepless speed changing mechanism comprises driving pulley axle assembly and driven pulley axle assembly; Described dynamic coupling device comprises the first input shaft, the second input shaft, output shaft, and a plurality of gear; Described driving engine is connected with described driving pulley axle assembly, and described the first input shaft is connected with described driving pulley axle assembly; Described motor is connected with described driven pulley axle assembly, and described the second input shaft is connected with described driven pulley axle assembly; Described output shaft is connected with described main reduction gear.
In one embodiment of the invention, aforesaid the first input shaft, the second input shaft, output shaft are arranged in parallel.
In one embodiment of the invention, aforesaid dynamic coupling device comprises the first gear, and described the first gear is arranged on described the first input shaft.
In one embodiment of the invention, aforesaid dynamic coupling device comprises the 4th gear, and described the 4th gear is arranged on described the second input shaft.
In one embodiment of the invention, aforesaid dynamic coupling device comprises the second gear coordinating with described the first gear and the 3rd gear coordinating with described the 4th gear, and described the second gear and the 3rd gear are arranged on described output shaft.
In one embodiment of the invention, aforesaid power-driven system also comprises second clutch, and described second clutch is arranged on output shaft, is suitable for controlling described the first gear and described the second gear engagement or separated.
In one embodiment of the invention, aforesaid power-driven system also comprises the 3rd power-transfer clutch, and described the 3rd power-transfer clutch is arranged on the second input shaft, is suitable for controlling described the 4th gear and described the 3rd gear engagement or separated.
In one embodiment of the invention, aforesaid power-driven system also comprises first clutch, and described first clutch is arranged between the driving pulley axle assembly of described driving engine and described stepless speed changing mechanism.
The invention has the beneficial effects as follows, adopt the power-driven system of the hybrid vehicle of the embodiment of the present invention, driving engine and motor can be respectively drive automobile as propulsion source independently, also can co-operation drive automobile, motor also can be used as electrical generator and obtains dynamic power from driving engine simultaneously, or recuperated energy generating when braking.Adopt the power-driven system of the hybrid vehicle of the embodiment of the present invention, by driving engine, motor, stepless speed changing mechanism, and the Collaborative Control of each power-transfer clutch, reach the object that reduces oil consumption and promote travelling comfort.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification sheets, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the power-driven system of hybrid vehicle of the present invention.
The specific embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and effect thereof to the power-driven system of the hybrid vehicle proposing according to the present invention, be described in detail as follows:
Relevant aforementioned and other technology contents of the present invention, Characteristic can be known and present in the following detailed description coordinating with reference to graphic preferred embodiment.By the explanation of the specific embodiment, when can be to reach technological means and the effect that predetermined object takes to be able to more deeply and concrete understanding to the present invention, yet appended graphic being only to provide with reference to the use with explanation be not used for the present invention to be limited.
Please refer to shown in Fig. 1, the power-driven system of the hybrid vehicle of preferred embodiment of the present invention comprises driving engine 1, motor 2, stepless speed changing mechanism 3, dynamic coupling device 4, main reduction gear 5, first clutch 61, second clutch 62, and the 3rd power-transfer clutch 63.
Stepless speed changing mechanism 3 comprises driving pulley axle assembly 31, and driven pulley axle assembly 32.The driven belt wheel shaft of the driving belt pulley shaft of driving pulley axle assembly 31 and driven pulley axle assembly 32 be arranged in parallel.Stepless speed changing mechanism 3 can be the toric transmission with metal tape, can be also the toric transmission without metal tape.
The first input shaft 45 of dynamic coupling device 4 is connected with one end of stepless speed changing mechanism 3 driving pulley axle assemblies 31.The second input shaft 46 is connected with one end of stepless speed changing mechanism 3 driven pulley axle assemblies 32.Output shaft 47 is connected with main reduction gear 5.
The power transmission line of the power-driven system of the hybrid vehicle below invention being proposed describes:
In pure motorized motions pattern, first clutch 61 and second clutch 62 are in clutch state, and the 3rd power-transfer clutch 63 is in closure state.Now the first gear 41 is separated with the second gear 42, and the 3rd gear 43 and the 4th gear 44 engagements.Driving engine 1 quits work, motor 2 energisings.The power of motor 2 is delivered to the second input shaft 46 and the 4th gear 44 by the driven pulley axle assembly 32 of stepless speed changing mechanism 3, then by output shaft 47, passes to main reduction gear 5 by the 3rd gear 43.During motor 2 reversion, it is the pattern of reversing gear.
At braking energy take-back model, first clutch 61 and second clutch 62 are in clutch state, and the 3rd power-transfer clutch 63 is in closure state.Now the first gear 41 is separated with the second gear 42, and the 3rd gear 43 and the 4th gear 44 engagements.The braking force of the wheel (not shown) of mixed power vehicle is delivered to output shaft 47 and the 3rd gear 43 by main reduction gear 5, then is delivered to the 4th gear 44 and the second input shaft 46, then passes to motor 2 by the driven pulley axle assembly 32 of stepless speed changing mechanism 3.
In pure engine drive pattern, first clutch 61 and second clutch 62 are in closure state, and the 3rd power-transfer clutch 63 is in clutch state.Now the first gear 41 and the second gear 42 engagements, and the 3rd gear 43 is separated with the 4th gear 44.Motor 2 quits work, driving engine 1 work.The power of driving engine 1 is delivered to the first input shaft 45 and the first gear 41 by the driving pulley axle assembly 31 of stepless speed changing mechanism 3, then by output shaft 47, passes to main reduction gear 5 by the second gear 42.
In combination drive pattern, first clutch 61, second clutch 62 and the 3rd power-transfer clutch 63 are all in closure state.Now the first gear 41 and the second gear 42 engagements, the 3rd gear 43 and the 4th gear 44 engagements.Driving engine 1 work.Motor 2 energisings.The power of driving engine 1 is delivered to the first input shaft 45 and the first gear 41 by the driving pulley axle assembly 31 of stepless speed changing mechanism 3, then is delivered to output shaft 47 by the second gear 42.The power of motor 2 is delivered to the second input shaft 46 and the 4th gear 44 by the driven pulley axle assembly 32 of stepless speed changing mechanism 3, then is delivered to output shaft 47 by the 3rd gear 43.Thereby the power of the power of driving engine 1 and motor 2 is synthetic on output shaft 47, then passes to main reduction gear 5.
At driving engine 1, give motor 2 charge modes, first clutch 61 is in closure state, and second clutch 62 and the 3rd power-transfer clutch 63 are all in clutch state.Now the first gear 41 is separated with the second gear 42, and the 3rd gear 43 is also separated with the 4th gear 44.The power of driving engine 1 is delivered to driven pulley axle assembly 32 by the driving pulley axle assembly 31 of stepless speed changing mechanism 3, then is delivered to motor 2.
Like this, adopt the power-driven system of the hybrid vehicle of the embodiment of the present invention, driving engine 1 and motor 2 can be respectively drive automobile as propulsion source independently, also can co-operation drive automobile, motor 2 also can be used as electrical generator and obtains dynamic power from driving engine 1 simultaneously, or recuperated energy generating when braking.Adopt the power-driven system of the hybrid vehicle of the embodiment of the present invention, by driving engine 1, motor 2, stepless speed changing mechanism 3, and the Collaborative Control of each power-transfer clutch, reach the object that reduces oil consumption and promote travelling comfort.
The above, only embodiments of the invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a power-driven system for hybrid vehicle, comprises driving engine (1), motor (2), and main reduction gear (5), it is characterized in that, described power-driven system also comprises stepless speed changing mechanism (3) and dynamic coupling device (4); Described stepless speed changing mechanism (3) comprises driving pulley axle assembly (31) and driven pulley axle assembly (32); Described dynamic coupling device (4) comprises the first input shaft (45), the second input shaft (46), output shaft (47), and a plurality of gear; Described driving engine (1) is connected with described driving pulley axle assembly (31), and described the first input shaft (45) is connected with described driving pulley axle assembly (31); Described motor (2) is connected with described driven pulley axle assembly (32), and described the second input shaft (46) is connected with described driven pulley axle assembly (32); Described output shaft (47) is connected with described main reduction gear (5).
2. the power-driven system of hybrid vehicle as claimed in claim 1, is characterized in that, described the first input shaft (45), the second input shaft (46), output shaft (47) are arranged in parallel.
3. the power-driven system of hybrid vehicle as claimed in claim 1, is characterized in that, described dynamic coupling device (4) comprises the first gear (41), and described the first gear (41) is arranged on described the first input shaft (45).
4. the power-driven system of hybrid vehicle as claimed in claim 3, is characterized in that, described dynamic coupling device (4) comprises the 4th gear (44), and described the 4th gear (44) is arranged on described the second input shaft (46).
5. the power-driven system of hybrid vehicle as claimed in claim 4, it is characterized in that, described dynamic coupling device (4) comprises the second gear (42) coordinating with described the first gear (41) and the 3rd gear (43) coordinating with described the 4th gear (44), and described the second gear (42) and the 3rd gear (43) are arranged on described output shaft (47).
6. the power-driven system of hybrid vehicle as claimed in claim 5, it is characterized in that, described power-driven system also comprises second clutch (62), it is upper that described second clutch (62) is arranged on output shaft (47), is suitable for controlling described the first gear (41) and described the second gear (42) engagement or separated.
7. the power-driven system of hybrid vehicle as claimed in claim 5, it is characterized in that, described power-driven system also comprises the 3rd power-transfer clutch (63), it is upper that described the 3rd power-transfer clutch (63) is arranged on the second input shaft (46), is suitable for controlling described the 4th gear (44) and described the 3rd gear (43) engagement or separated.
8. the power-driven system of hybrid vehicle as claimed in claim 1, it is characterized in that, described power-driven system also comprises first clutch (61), and described first clutch (61) is arranged between described driving engine (1) and the driving pulley axle assembly (31) of described stepless speed changing mechanism (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310578233.5A CN103640464B (en) | 2013-11-18 | 2013-11-18 | The power-driven system of hybrid vehicle |
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| CN201310578233.5A CN103640464B (en) | 2013-11-18 | 2013-11-18 | The power-driven system of hybrid vehicle |
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| CN103640464A true CN103640464A (en) | 2014-03-19 |
| CN103640464B CN103640464B (en) | 2017-07-11 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754107A (en) * | 2014-02-13 | 2014-04-30 | 郑州宇通客车股份有限公司 | Hybrid power system and vehicle adopting same |
| CN106143114A (en) * | 2015-04-08 | 2016-11-23 | 舍弗勒技术股份两合公司 | Hybrid power assembly, hybrid power transmission and hybrid electric vehicle |
| CN108891250A (en) * | 2018-09-07 | 2018-11-27 | 芜湖万里扬变速器有限公司 | The dedicated speed change system of hybrid power |
| CN109080431A (en) * | 2014-07-17 | 2018-12-25 | 广州汽车集团股份有限公司 | A kind of electric powered motor coupled system and its control method |
| WO2018233507A1 (en) * | 2017-06-20 | 2018-12-27 | 舍弗勒技术股份两合公司 | Hybrid power system having cvt |
| CN109703349A (en) * | 2019-02-22 | 2019-05-03 | 芜湖万里扬变速器有限公司 | Multi-mode hybrid speed change system |
| CN109878503A (en) * | 2019-02-27 | 2019-06-14 | 中国第一汽车股份有限公司 | A kind of hybrid power automobile power system and its control method |
| CN110834533A (en) * | 2018-08-17 | 2020-02-25 | 上海汽车集团股份有限公司 | CVT-based hybrid power transmission system and hybrid power vehicle with same |
| CN112757886A (en) * | 2021-01-22 | 2021-05-07 | 南通大学 | Double-clutch variable-speed motor-flywheel hybrid power transmission device for electric automobile |
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| CN110834533A (en) * | 2018-08-17 | 2020-02-25 | 上海汽车集团股份有限公司 | CVT-based hybrid power transmission system and hybrid power vehicle with same |
| CN108891250A (en) * | 2018-09-07 | 2018-11-27 | 芜湖万里扬变速器有限公司 | The dedicated speed change system of hybrid power |
| CN109703349A (en) * | 2019-02-22 | 2019-05-03 | 芜湖万里扬变速器有限公司 | Multi-mode hybrid speed change system |
| CN109878503A (en) * | 2019-02-27 | 2019-06-14 | 中国第一汽车股份有限公司 | A kind of hybrid power automobile power system and its control method |
| CN112757886A (en) * | 2021-01-22 | 2021-05-07 | 南通大学 | Double-clutch variable-speed motor-flywheel hybrid power transmission device for electric automobile |
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Inventor after: Feng Qingfeng Inventor after: Liu Rongwei Inventor after: Liu Hailong Inventor after: Li Tiantian Inventor after: Wu Xufeng Inventor after: Jin Qiqian Inventor after: You Yi Inventor after: Wu Chengming Inventor before: Liu Rongwei Inventor before: Liu Hailong Inventor before: Li Tiantian Inventor before: Wu Xufeng Inventor before: Jin Qiqian Inventor before: You Yi Inventor before: Wu Chengming Inventor before: Feng Qingfeng |
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Effective date of registration: 20170607 Address after: 315336 Cixi, Zhejiang, Ningbo, Hangzhou Bay New Area Binhai Road, No. two, No. 818, No. Applicant after: Ningbo Geely Automobile Research AND Development Co., Ltd. Applicant after: Zhejiang Geely Holding Group Co., Ltd. Address before: 310051 Jiangling Road, Hangzhou, Zhejiang, No. 1760, No. Applicant before: Zhejiang Geely Holding Group Co., Ltd. Applicant before: Zhejiang Geely Automobile Research Institute Co., Ltd. |
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