CN103786564B - A kind of hybrid vehicle driving mechanism - Google Patents
A kind of hybrid vehicle driving mechanism Download PDFInfo
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- CN103786564B CN103786564B CN201410069849.4A CN201410069849A CN103786564B CN 103786564 B CN103786564 B CN 103786564B CN 201410069849 A CN201410069849 A CN 201410069849A CN 103786564 B CN103786564 B CN 103786564B
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- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000013211 curve analysis Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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Abstract
A kind of hybrid vehicle driving mechanism, it includes electromotor, first motor, second motor and the double planet wheel rows of mixing gear drive being made up of front planet row and rear planet row, front sun gear is drawn together in described front planet package, front planetary gear, front planet carrier and front ring gear, described rear planet row includes rear sun gear, rear planetary gear, rear planet carrier and rear gear ring, it is particular in that: described front sun gear is provided with brake, described front planet carrier is connected with engine power output, front planet carrier connects also by first clutch and the first electric machine main shaft, described first electric machine main shaft is also connected with front ring gear, described front ring gear is connected with rear planet carrier by second clutch, described rear sun gear and the second electric machine main shaft connect, described rear gear ring is connected with driving device power output shaft.The present invention not only increases the work efficiency of motor, decreases Fuel consumption, and reduces the production cost of hybrid vehicle.
Description
Technical field
The present invention relates to a kind of hybrid vehicle, the driving device of especially a kind of hybrid vehicle, belong to automobile technical field.
Background technology
Hybrid vehicle refers to the vehicle being provided power by two or more driver elements that can operate simultaneously, and it is according to vehicle actual travel condition selecting different driving unit independence or combines offer power.Classifying according to power transmission route, hybrid vehicle can be divided into tandem, parallel and series parallel type three types, and wherein Series-Parallel HEV shows all more excellent in oil consumption and discharge performance, is therefore considered as optimal mixed model.The driving device of Series-Parallel HEV includes a less electromotor of discharge capacity and two motors, power is transmitted by the coupled modes of gear drive, this gear drive is divided into two types, i.e. epicyclic train and parallel-axis type, they realize speed governing and dynamic branch each through combination and the separation of clutch.
The driving device of current series parallel hybrid power vehicle adopts parallel-axis type gear drive mostly, and its first motor is coaxially connected with electromotor, and the second motor is for individually driving vehicle.This hybrid vehicle driving mechanism is under electric-only mode, and owing to the alterable scope of speed is relatively big, therefore the second motor can not be always under the most efficient working speed, can cause unnecessary energy waste；When electromotor individually drives, general only two gears may select, and therefore can reduce Driving and fuel economy；When vehicle is in increasing journey pattern, dynamic first motor of engine direct tape splicing generates electricity, owing to the rotating speed of electromotor is well below the rated speed of the first motor so that the generating efficiency of the first motor is relatively low, even can not fully meet series connection and increasing the needs of journey.
Existing epicyclic train drive mechanism is generally adopted single planetary row structure, two elements in its sun gear, planet carrier and gear ring are connected with electromotor and the first motor respectively, another element is connected with differential mechanism, such as, the Toyota Prius of volume production have employed four shaft drives of single planetary row structure, owing to it is under high vehicle speeds pattern, as the first motor of electromotor sometimes for the optimum output power ensureing electromotor under zero rotary regimes, therefore reduce the work efficiency of electromotor.For the problems referred to above, application number be 201110185854.8 Chinese patent application file provide a kind of hybrid drive, it is connected with wheel, including: containing the double planet wheel rows of mixing of the planet carrier that front planet row sun gear, front planet rows of planetary wheel, the exclusive gear ring of front planet, rear planet row sun gear, rear planet row planetary gear, rear planet row external toothing, front and back planet row share, electromotor, the first motor, second motor, differential mechanism, first clutch, second clutch；Wherein, described rear planet row planetary gear is also meshed with described front planet rows of planetary wheel.Although the technical scheme of this patent application document solves series-parallel hybrid electric system when car speed is higher, because of electromotor, electromotor, motor power (output) unreasonable distribution, the problem that the car load driving process oil consumption that causes is higher, but manufacture due to its planet circular system parts and assembly precision is high, increase the difficulty of manufacture and assembly technology, improve production cost.
Summary of the invention
Present invention aims to the drawback of prior art, it is provided that a kind of hybrid vehicle driving mechanism, it is by the cooperation of double planet wheel rows of mixing gear drive, clutch and brake, it is achieved the power drive mode that travel conditions different from vehicle match.
Problem of the present invention realizes with following technical proposals:
A kind of hybrid vehicle driving mechanism, it includes electromotor, first motor, second motor and the double planet wheel rows of mixing gear drive being made up of front planet row and rear planet row, front sun gear is drawn together in described front planet package, front planetary gear, front planet carrier and front ring gear, described front sun gear and front planetary gear external toothing transmission, described front planetary gear and front ring gear Inside gear drive, front planetary gear is arranged on front planet carrier, described rear planet row includes rear sun gear, rear planetary gear, rear planet carrier and rear gear ring, described rear sun gear and rear planetary gear external toothing transmission, described rear planetary gear and rear gear ring Inside gear drive, rear planetary gear is arranged on rear planet carrier, it is particular in that: described front sun gear is provided with brake, described front planet carrier is connected with engine power output, front planet carrier connects also by first clutch and the first electric machine main shaft, described first electric machine main shaft is also connected with front ring gear, described front ring gear is connected with rear planet carrier by second clutch, described rear sun gear and the second electric machine main shaft connect, described rear gear ring is connected with driving device power output shaft.
Above-mentioned hybrid vehicle driving mechanism, under electric-only mode, brake is in running order, first clutch, second clutch are in engagement state, second electric machine main shaft drives rear sun gear operating, after rear sun gear drives, planetary gear operates, and after rear planetary gear drives, gear ring operates, and the driving force that the second motor provides is transferred on driving device power output shaft by rear gear ring.
Above-mentioned hybrid vehicle driving mechanism, under Dual-motors Driving pattern, second clutch is in engagement state, and the first motor and the second motor work simultaneously；
Planet carrier operating after being driven by the first motor, after rear planet carrier drives, planetary gear operates, and again through the engaged transmission of rear planetary gear Yu rear gear ring, is transferred on driving device power output shaft by the driving force that the first motor provides；
Being driven rear sun gear operating by the second motor, after rear sun gear drives, planetary gear operates, and gear ring operating after the drive of rear planetary gear, the driving force that the second motor provides is transferred on driving device power output shaft by rear gear ring.
Above-mentioned hybrid vehicle driving mechanism, under electromotor with motor drive mode, brake is in running order, and second clutch is in engagement state, electromotor and the second motor and works simultaneously；
Planet carrier operating before being driven by electromotor, before front planet carrier drives, planetary gear operates, engaged transmission by front planetary gear Yu front ring gear, the part driving force of electromotor output is transferred to rear planet carrier, planetary gear after being driven by rear planet carrier again, being transferred on driving device power output shaft by the engaged transmission of rear planetary gear Yu rear gear ring by engine power, another part driving force of electromotor output drives the first electric power generation；
Being driven rear sun gear operating by the second motor, after rear sun gear drives, planetary gear operates, and gear ring operating after the drive of rear planetary gear, the driving force that the second motor provides is transferred on driving device power output shaft by rear gear ring.
The present invention adopts double planet wheel rows of mixing gear drive, by the cooperation of double planet wheel rows of mixing, clutch and brake so that it is driving cycles different from vehicle match.Its electric-only mode is applicable to vehicle start operating mode, when vehicle travels on urban congestion road, loiters, need to frequently starting to walk, now the present invention works with electric-only mode, brake, first clutch, second clutch engage, the second motor provide driving force for vehicle.When vehicle be in reverse gear, at the uniform velocity and run at high speed operating mode time, the present invention works with Dual-motors Driving pattern, second clutch is in engagement state, first motor and the second motor operate simultaneously, (when reverse gear is run, control motor reversal by adjusting the rotating speed of two motors, two mutual speed governing of motor, vehicle is made to reach to move backward accordingly speed), make to be in all the time the duty of the best as the second motor of main driving power, to improve utilization rate of electrical.The electromotor of the present invention and motor drive mode are applicable to vehicle and anxious accelerate, at the uniform velocity and high-speed cruising operating mode, now by electromotor and the second motor output power, power coupling is carried out at rear planet row place, power output is powerful, running velocity requirement is met, it is achieved the adjustment of output speed ratio by adjusting the rotating speed of the second motor；For stroke lengthening hybrid power automobile, the present invention is under electromotor with motor drive mode, by driven by engine the first electric power generation, provides power for the second motor or charges for accumulator.The present invention adopts relatively independent double planet wheel rows of mixing gear drive, not only increase the work efficiency of motor, decrease Fuel consumption, and reduce the difficulty of gear drive parts manufacture and assembly technology, thus reducing the production cost of hybrid vehicle.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is hybrid vehicle driving mechanism structural representation provided by the invention；
Fig. 2 is electric-only mode duty and the power transmission route schematic diagram of the present invention；
Fig. 3 is Dual-motors Driving mode state and the power transmission route schematic diagram of the present invention；
Fig. 4 is electromotor and motor drive mode duty and the power transmission route schematic diagram of the present invention.
In figure, each list of reference numerals is: 1, electromotor, 2, brake, 3, front sun gear, 4, front planetary gear, 5, front ring gear, 6, front planet carrier, 7, first clutch, the 8, first motor, 9, second clutch, 10, rear planet carrier, 11, rear gear ring, 12, rear planetary gear, 13, rear sun gear, 14, driving device power output shaft, the 15, second motor.
Detailed description of the invention
Referring to Fig. 1, the present invention includes electromotor 1, first motor 8, second motor 15 and the double planet wheel rows of mixing gear drive being made up of front planet row and rear planet row, front sun gear 3 is drawn together in described front planet package, front planetary gear 4, front planet carrier 6 and front ring gear 5, described front sun gear 3 and front planetary gear 4 external toothing transmission, described front planetary gear 4 and front ring gear 5 Inside gear drive, front planetary gear 4 is arranged on front planet carrier 6, described rear planet row includes rear sun gear 13, rear planetary gear 12, rear planet carrier 10 and rear gear ring 11, described rear sun gear 13 and rear planetary gear 12 external toothing transmission, described rear planetary gear 12 and rear gear ring 11 Inside gear drive, rear planetary gear 12 is arranged on rear planet carrier 10, it is particular in that: described front sun gear 3 is provided with brake 2, described front planet carrier 6 is connected with the clutch end of electromotor 1, front planet carrier 6 is connected with the first motor 8 main shaft also by first clutch 7, described first motor 8 main shaft is also connected with front ring gear 5, described front ring gear 5 is connected with rear planet carrier 10 by second clutch 9, described rear sun gear 13 is connected with the second motor 15 main shaft, described rear gear ring 11 is connected with driving device power output shaft 14.
Referring to Fig. 2, the present invention is under electric-only mode, brake 2 is in running order, first clutch 7, second clutch 9 are in engagement state, second motor 15 main shaft drives rear sun gear 13 operates, after rear sun gear 13 drives, planetary gear 12 operates, and after rear planetary gear 12 drives, gear ring 11 operates, and the driving force that the second motor 15 provides is transferred on driving device power output shaft 14 by rear gear ring 11.The electric-only mode of the present invention is applicable to vehicle start operating mode, the universal characteristic curve analysis according to motor, can control at relatively low speed state by the second motor 15 during starting, and its output moment of torsion is relatively big and stable, is conducive to vehicle start；When vehicle travels on urban congestion road, loitering, need to frequently start to walk, now the present invention works with electric-only mode, the second motor 15 provide driving force for vehicle.
Referring to Fig. 3, the present invention is under Dual-motors Driving pattern, and second clutch 9 is in engagement state, and the first motor 8 and the second motor 15 work simultaneously；After being driven by the first motor 8, planet carrier 10 operates, and after rear planet carrier 10 drives, planetary gear 12 operates, and again through rear planetary gear 12 and the engaged transmission of rear gear ring 11, is transferred on driving device power output shaft by the driving force that the first motor 8 provides；Being driven rear sun gear 13 to operate by the second motor 15, after rear sun gear 13 drives, planetary gear 12 operates, and after rear planetary gear 12 drives, gear ring 11 operates, and the driving force that the second motor 15 provides is transferred on driving device power output shaft 14 by rear gear ring 11.The Dual-motors Driving pattern of the present invention is applicable to vehicle reverse gear, at the uniform velocity and operating mode of running at high speed, vehicle is at the uniform velocity or when running at high speed, can pass through to adjust the rotating speed of the first motor 8 and the second motor 15, make to be in all the time the duty of the best as the second motor 15 of main driving power, to improve utilization rate of electrical；When vehicle reverse gear is run, control the first motor 8 and the second motor 15 reverses, two mutual speed governing of motor, make vehicle reach to move backward accordingly speed.
Referring to Fig. 4, the present invention is under electromotor with motor drive mode, and brake 2 is in running order, and second clutch 9 is in engagement state, and electromotor 1 and the second motor 15 work simultaneously；Front planet carrier 6 is driven to operate by electromotor 1, front planet carrier 6 drives front planetary gear 4 to operate, engaged transmission by front planetary gear 4 with front ring gear 5, the part driving force of electromotor 1 output is transferred to rear planet carrier 10, planetary gear 12 after being driven by rear planet carrier 10 again, being transferred on driving device power output shaft 14 by the engaged transmission of rear planetary gear 12 with rear gear ring 11 by electromotor 1 power, another part driving force of electromotor 1 output drives the first motor 8 to generate electricity；Being driven rear sun gear 13 to operate by the second motor 15, after rear sun gear 13 drives, planetary gear 12 operates, and after rear planetary gear 12 drives, gear ring 11 operates, and the driving force that the second motor 15 provides is transferred on driving device power output shaft 14 by rear gear ring 11.The electromotor of the present invention and motor drive mode are applicable to vehicle and anxious accelerate, at the uniform velocity and high-speed cruising operating mode, now exported power by electromotor 1 and the second motor 15, power coupling is carried out at rear planet row place, power output is powerful, running velocity requirement is met, it is achieved the adjustment of output speed ratio by adjusting the rotating speed of the second motor 15；For stroke lengthening hybrid power automobile, the present invention, under electromotor with motor drive mode, is driven the first motor 8 to generate electricity by electromotor 1, provides power for the second motor 15 or charges for accumulator.
Claims (4)
1. a hybrid vehicle driving mechanism, it includes electromotor (1), first motor (8), second motor (15) and the double planet wheel rows of mixing gear drive being made up of front planet row and rear planet row, front sun gear (3) is drawn together in described front planet package, front planetary gear (4), front planet carrier (6) and front ring gear (5), described front sun gear (3) and front planetary gear (4) external toothing transmission, described front planetary gear (4) and front ring gear (5) Inside gear drive, front planetary gear (4) is arranged on front planet carrier (6), described rear planet row includes rear sun gear (13), rear planetary gear (12), rear planet carrier (10) and rear gear ring (11), described rear sun gear (13) and rear planetary gear (12) external toothing transmission, described rear planetary gear (12) and rear gear ring (11) Inside gear drive, rear planetary gear (12) is arranged on rear planet carrier (10), described front sun gear (3) is provided with brake (2), described front planet carrier (6) is connected with the clutch end of electromotor (1), front planet carrier (6) is connected with the first motor (8) main shaft also by first clutch (7), described first motor (8) main shaft is also connected with front ring gear (5), described front ring gear (5) is connected with rear planet carrier (10) by second clutch (9), described rear sun gear (13) is connected with the second motor (15) main shaft, it is characterized in that, described rear gear ring (11) is connected with driving device power output shaft (14).
2. a kind of hybrid vehicle driving mechanism according to claim 1, it is characterized in that, under electric-only mode, brake (2) is in running order, first clutch (7), second clutch (9) are in engagement state, second motor (15) main shaft drives rear sun gear (13) operates, after rear sun gear (13) drives, planetary gear (12) operates, after rear planetary gear (12) drives, gear ring (11) operates, and the driving force that the second motor (15) provides is transferred on driving device power output shaft (14) by rear gear ring (11).
3. a kind of hybrid vehicle driving mechanism according to claim 1, is characterized in that, under Dual-motors Driving pattern, second clutch (9) is in engagement state, and the first motor (8) and the second motor (15) work simultaneously；
Planet carrier (10) operating after being driven by the first motor (8), after rear planet carrier (10) drives, planetary gear (12) operates, again through the engaged transmission of rear planetary gear (12) Yu rear gear ring (11), the driving force that the first motor (8) provides is transferred on driving device power output shaft；
Rear sun gear (13) operating is driven by the second motor (15), after rear sun gear (13) drives, planetary gear (12) operates, after rear planetary gear (12) drives, gear ring (11) operates, and the driving force that the second motor (15) provides is transferred on driving device power output shaft (14) by rear gear ring (11).
4. a kind of hybrid vehicle driving mechanism according to claim 1, it is characterized in that, under electromotor with motor drive mode, brake (2) is in running order, second clutch (9) is in engagement state, and electromotor (1) and the second motor (15) work simultaneously；
Planet carrier (6) operating before being driven by electromotor (1), before front planet carrier (6) drives, planetary gear (4) operates, engaged transmission by front planetary gear (4) Yu front ring gear (5), the part driving force that electromotor (1) exports is transferred to rear planet carrier (10), planetary gear (12) after being driven by rear planet carrier (10) again, being transferred on driving device power output shaft (14) by the engaged transmission of rear planetary gear (12) Yu rear gear ring (11) by electromotor (1) power, another part driving force that electromotor (1) exports drives the first motor (8) to generate electricity；
Rear sun gear (13) operating is driven by the second motor (15), after rear sun gear (13) drives, planetary gear (12) operates, after rear planetary gear (12) drives, gear ring (11) operates, and the driving force that the second motor (15) provides is transferred on driving device power output shaft (14) by rear gear ring (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410069849.4A CN103786564B (en) | 2014-02-28 | 2014-02-28 | A kind of hybrid vehicle driving mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410069849.4A CN103786564B (en) | 2014-02-28 | 2014-02-28 | A kind of hybrid vehicle driving mechanism |
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| CN103786564A CN103786564A (en) | 2014-05-14 |
| CN103786564B true CN103786564B (en) | 2016-06-29 |
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| CN107953766B (en) * | 2016-10-14 | 2023-08-08 | 宇通客车股份有限公司 | Hybrid power system and vehicle using same |
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| CN106864246B (en) * | 2017-01-17 | 2018-04-17 | 江苏大学 | A kind of hybrid power vehicle double row planetary gear row's formula power coupling mechanism and control method |
| CN106740045B (en) * | 2017-02-06 | 2020-10-02 | 重庆青山工业有限责任公司 | Driving system of hybrid electric vehicle |
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| CN108340765B (en) * | 2018-01-18 | 2021-01-08 | 燕山大学 | Electric speed-increasing clutch of hybrid electric vehicle |
| CN109130832A (en) * | 2018-09-19 | 2019-01-04 | 张石静 | A kind of no gear ring hybrid power coupler |
| CN109318704B (en) * | 2018-12-11 | 2024-02-27 | 王延芸 | Electric drive transmission device |
| CN110014819A (en) * | 2019-03-26 | 2019-07-16 | 中国汽车技术研究中心有限公司 | A kind of the parallel-serial hybrid power system and working method of the driving of two gear of engine |
| CN110341459B (en) * | 2019-06-12 | 2021-04-23 | 浙江吉利控股集团有限公司 | Automobile hybrid power driving mechanism and driving method thereof |
| CN213082901U (en) * | 2020-04-17 | 2021-04-30 | 苏州嵘波动力科技有限公司 | Electric drive and hybrid power transmission device based on compound planetary gear train and vehicle provided with same |
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