CN103786564A - Driving device of hybrid electric vehicle - Google Patents
Driving device of hybrid electric vehicle Download PDFInfo
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- CN103786564A CN103786564A CN201410069849.4A CN201410069849A CN103786564A CN 103786564 A CN103786564 A CN 103786564A CN 201410069849 A CN201410069849 A CN 201410069849A CN 103786564 A CN103786564 A CN 103786564A
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- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 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
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Abstract
The invention discloses a driving device of a hybrid electric vehicle. The driving device comprises an engine, a first motor, a second motor and a double-planetary-line gear transmission mechanism, wherein the double-planetary-line gear transmission mechanism is composed of a front planetary line and a rear planetary line, the front planetary line comprises a front sun gear, a front planetary gear, a front planetary carrier and a front gear ring, and the rear planetary line comprises a rear sun gear, a rear planetary gear, a rear planetary carrier and a rear gear ring. The driving device is characterized in that a brake is arranged on the front sun gear, the front planetary carrier is connected with the power output end of the engine and is further connected with a spindle of the first motor through a first clutch, the first spindle is further connected with the front gear ring, the front gear ring is connected with the rear planetary gear through a second clutch, the rear sun gear is connected with a spindle of the second motor gear, and the rear gear ring is connected with a power output shaft of a driving device body. The working efficiency of the motors is improved, the fuel consumption of the hybrid electric vehicle is reduced, and the production cost of the hybrid electric vehicle is also reduced.
Description
Technical field
The present invention relates to a kind of hybrid vehicle, especially a kind of actuating device of hybrid vehicle, belongs to automobile technical field.
Background technology
Hybrid vehicle refers to the vehicle that power is provided by two or more driver elements that can turn round simultaneously, and it is according to vehicle actual travel condition selecting different driving unit independence or combine power is provided.According to power transmission route classification, hybrid vehicle can be divided into tandem, parallel and series parallel type three types, and wherein Series-Parallel HEV shows all more excellently aspect oil consumption and emission behavior, is therefore considered to optimal mixed mode.The actuating device of Series-Parallel HEV comprises driving engine and two motors that discharge capacity is less, coupled modes by gear drive are carried out transferring power, this gear drive is divided into two types, be planetary gear train and parallel-axis type, they all the combination by power-transfer clutch with separate to realize speed governing and dynamic branch.
The actuating device of series parallel hybrid power vehicle adopts parallel-axis type gear drive mostly at present, and its first motor is coaxially connected with driving engine, and the second motor is for driving separately vehicle.This hybrid vehicle driving mechanism is under electric-only mode, and can variation range larger due to the speed of a motor vehicle, therefore the second motor can not, always under the most efficient working speed, can cause unnecessary energy dissipation; In the time that driving engine drives separately, generally only have two gears to select, therefore can reduce Driving and fuel economy; When vehicle is in the time increasing journey pattern, moving the first motor of engine direct tape splicing generates electricity, and because the rotating speed of driving engine is well below the rated speed of rotation of the first motor, makes the generating efficiency of the first motor lower, even can not meet the needs of series connection increasing journey completely.
Existing planetary gear train transmission device generally adopts single planetary row structure, two elements in its sun wheel, pinion carrier and gear ring are connected with driving engine and the first motor respectively, another element is connected with diff, for example, the Toyota Prius of volume production has adopted four shaft drives of single planetary row structure, because it is under high vehicle speeds pattern, sometimes need under zero rotating speed state, guarantee the optimum output power of driving engine as the first motor of electrical generator, therefore reduce the work efficiency of electrical generator.For the problems referred to above, the Chinese patent application file that application number is 201110185854.8 provides a kind of hybrid drive, it is connected with wheel, comprise: the double planet wheel rows of mixing that contains the shared pinion carrier of front planet row sun wheel, front planet rows of planetary wheel, the exclusive gear ring of front planet, rear planet row sun wheel, rear planet row satellite gear, rear planet row external toothing, front and back planet row, driving engine, the first motor, the second motor, diff, first clutch, second clutch; Wherein, described rear planet row satellite gear is also meshed with described front planet rows of planetary wheel.Although the technical scheme of this patent application document has solved series-parallel hybrid electric system in the time that car speed is higher, because of electrical generator, driving engine, motor power (output) unreasonable distribution, the higher problem of car load driving process oil consumption causing, but due to its planet circular system parts manufacture and assembly precision high, the difficulty that has strengthened manufacture and assembly technology, has improved productive costs.
Summary of the invention
The object of the invention is to the drawback for prior art, a kind of hybrid vehicle driving mechanism is provided, it,, by the cooperation of double planet wheel rows of mixing gear drive, power-transfer clutch and drg, realizes the power driven 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 comprises driving engine, the first motor, the second motor and the double planet wheel rows of mixing gear drive being formed by front planet row and rear planet row, front sun wheel is drawn together in described front planet package, front satellite gear, front pinion carrier and front ring gear, described front sun wheel and front satellite gear external toothing transmission, engaged transmission in described front satellite gear and front ring gear, front satellite gear is arranged in front pinion carrier, described rear planet row comprises rear sun gear, rear satellite gear, rear pinion carrier and rear gear ring, described rear sun gear and rear satellite gear external toothing transmission, engaged transmission in described rear satellite gear and rear gear ring, rear satellite gear is arranged in rear pinion carrier, its special feature is: described front sun wheel is provided with drg, described front pinion carrier is connected with engine power mouth, front pinion carrier is also connected with the first electric machine main shaft by first clutch, described the first electric machine main shaft is also connected with front ring gear, described front ring gear is connected with rear pinion carrier by second clutch, described rear sun gear is connected with the second electric machine main shaft, described rear gear ring is connected with actuating device power take-off shaft.
Above-mentioned hybrid vehicle driving mechanism, under electric-only mode, drg is in running order, first clutch, second clutch are all in engagement state, the second electric machine main shaft drives rear sun gear running, satellite gear running after rear sun gear drives, gear ring running after rear satellite gear drives, the propulsive effort that the second motor provides is passed on actuating device power take-off 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 are worked simultaneously;
After being driven by the first motor, pinion carrier turns round, satellite gear running after rear pinion carrier drives, then by the engaged transmission of rear satellite gear and rear gear ring, the propulsive effort that the first motor is provided is passed on actuating device power take-off shaft;
Drive rear sun gear to turn round by the second motor, satellite gear running after rear sun gear drives, gear ring running after rear satellite gear drives, the propulsive effort that the second motor provides is passed on actuating device power take-off shaft by rear gear ring.
Above-mentioned hybrid vehicle driving mechanism, under driving engine and motor drive mode, drg is in running order, and second clutch is in engagement state, and driving engine and the second motor are worked simultaneously;
Turned round by pinion carrier before engine drive, satellite gear running before front pinion carrier drives, by the engaged transmission of front satellite gear and front ring gear, the part propulsive effort of driving engine output is passed to rear pinion carrier, satellite gear after being driven by rear pinion carrier again, engaged transmission by rear satellite gear and rear gear ring is passed to engine power on actuating device power take-off shaft, and another part propulsive effort of driving engine output drives the first electric power generation;
Drive rear sun gear to turn round by the second motor, satellite gear running after rear sun gear drives, gear ring running after rear satellite gear drives, the propulsive effort that the second motor provides is passed on actuating device power take-off 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, power-transfer clutch and drg, its driving cycles different from vehicle is matched.Its electric-only mode is applicable to vehicle start operating mode, in the time that vehicle travels on the jam road of city, loiters, need frequent starting, now the present invention is with electric-only mode work, and drg is braked, first clutch, second clutch engage, and provide propulsive effort by the second motor for vehicle.When vehicle is in reverse gear, at the uniform velocity and while running at high speed operating mode, the present invention is with Dual-motors Driving work pattern, second clutch is in engagement state, the first motor and the second motor turn round simultaneously, (when reverse gear operation, control motor reversal by the rotating speed of adjusting two motors, two mutual speed governing of motor, make vehicle reach the corresponding reversing speed of a motor vehicle), make the second motor as main driving power all the time in best mode of operation, to improve utilization rate of electrical.Driving engine 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 driving engine and the second motor outputting power, at rear planet row, place carries out power coupling, power output is powerful, meet running velocity requirement by adjusting the rotating speed of the second motor, realize the adjusting of output speed ratio; For stroke lengthening hybrid power automobile, the present invention is under driving engine and motor drive mode, by driven by engine the first electric power generation, for the second motor provides power or for battery charge.The present invention adopts relatively independent double planet wheel rows of mixing gear drive, not only improve the work efficiency of motor, reduce Fuel consumption, and reduced the difficulty of the manufacture of gear drive parts and assembly technology, thereby reduced the productive costs 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 mode of operation of the present invention and power transmission route schematic diagram;
Fig. 3 is Dual-motors Driving mode state of the present invention and power transmission route schematic diagram;
Fig. 4 is driving engine of the present invention and motor drive mode mode of operation and power transmission route schematic diagram.
In figure, each list of reference numerals is: 1, driving engine, 2, drg, 3, front sun wheel, 4, front satellite gear, 5, front ring gear, 6, front pinion carrier, 7, first clutch, 8, the first motor, 9, second clutch, 10, rear pinion carrier, 11, rear gear ring, 12, rear satellite gear, 13, rear sun gear, 14, actuating device power take-off shaft, 15, the second motor.
The specific embodiment
Referring to Fig. 1, the present invention includes driving engine 1, the first motor 8, the second motor 15 and the double planet wheel rows of mixing gear drive being formed by front planet row and rear planet row, front sun wheel 3 is drawn together in described front planet package, front satellite gear 4, front pinion carrier 6 and front ring gear 5, described front sun wheel 3 and front satellite gear 4 external toothing transmissions, described front satellite gear 4 and the interior engaged transmission of front ring gear 5, front satellite gear 4 is arranged in front pinion carrier 6, described rear planet row comprises rear sun gear 13, rear satellite gear 12, rear pinion carrier 10 and rear gear ring 11, described rear sun gear 13 and rear satellite gear 12 external toothing transmissions, described rear satellite gear 12 and the interior engaged transmission of rear gear ring 11, rear satellite gear 12 is arranged in rear pinion carrier 10, its special feature is: described front sun wheel 3 is provided with drg 2, described front pinion carrier 6 is connected with the clutch end of driving engine 1, front pinion carrier 6 is also connected with the first motor 8 main shafts by first clutch 7, described the first motor 8 main shafts are also connected with front ring gear 5, described front ring gear 5 is connected with rear pinion carrier 10 by second clutch 9, described rear sun gear 13 is connected with the second motor 15 main shafts, described rear gear ring 11 is connected with actuating device power take-off shaft 14.
Referring to Fig. 2, the present invention is under electric-only mode, drg 2 is in running order, first clutch 7, second clutch 9 are all in engagement state, the second motor 15 main shaft drives rear sun gears 13 turn round, after rear sun gear 13 drives, satellite gear 12 turns round, and after rear satellite gear 12 drives, gear ring 11 turns round, and the propulsive effort that the second motor 15 provides is passed on actuating device power take-off shaft 14 by rear gear ring 11.Electric-only mode of the present invention is applicable to vehicle start operating mode, according to the characteristic performance curve analysis of motor, when starting, the second motor 15 can be controlled at compared with low speed state, and its output torque is large and stable, is conducive to vehicle start; In the time that vehicle travels on the jam road of city, loiter, need frequently start to walk, now the present invention is with electric-only mode work, provides propulsive effort by the second motor 15 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 are worked simultaneously; Drive rear pinion carrier 10 to turn round by the first motor 8, after rear pinion carrier 10 drives, satellite gear 12 turns round, then by the engaged transmission of rear satellite gear 12 and rear gear ring 11, the propulsive effort that the first motor 8 is provided is passed on actuating device power take-off shaft; Drive rear sun gear 13 to turn round by the second motor 15, after rear sun gear 13 drives, satellite gear 12 turns round, and after rear satellite gear 12 drives, gear ring 11 turns round, and the propulsive effort that the second motor 15 provides is passed on actuating device power take-off shaft 14 by rear gear ring 11.Dual-motors Driving pattern of the present invention is applicable to vehicle reverse gear, at the uniform velocity and the operating mode of running at high speed, vehicle is at the uniform velocity or while running at high speed, can be by adjusting the rotating speed of the first motor 8 and the second motor 15, make the second motor 15 as main driving power all the time in best mode of operation, to improve utilization rate of electrical; When the operation of vehicle reverse gear, control the first motor 8 and the second motor 15 and reverse, two mutual speed governing of motor, make vehicle reach the corresponding reversing speed of a motor vehicle.
Referring to Fig. 4, the present invention is under driving engine and motor drive mode, and drg 2 is in running order, and second clutch 9 is in engagement state, and driving engine 1 and the second motor 15 are worked simultaneously; Drive front pinion carrier 6 to turn round by driving engine 1, before front pinion carrier 6 drives, satellite gear 4 turns round, engaged transmission by front satellite gear 4 with front ring gear 5, the part propulsive effort that driving engine 1 is exported is passed to rear pinion carrier 10, drive rear satellite gear 12 by rear pinion carrier 10 again, engaged transmission by rear satellite gear 12 and rear gear ring 11 is by driving engine 1 transmission of power to actuating device power take-off shaft 14, and another part propulsive effort that driving engine 1 is exported drives the first motor 8 to generate electricity; Drive rear sun gear 13 to turn round by the second motor 15, after rear sun gear 13 drives, satellite gear 12 turns round, and after rear satellite gear 12 drives, gear ring 11 turns round, and the propulsive effort that the second motor 15 provides is passed on actuating device power take-off shaft 14 by rear gear ring 11.Driving engine 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 driving engine 1 and the second motor 15 outputting powers, at rear planet row, place carries out power coupling, power output is powerful, meet running velocity requirement by adjusting the rotating speed of the second motor 15, realize the adjusting of output speed ratio; For stroke lengthening hybrid power automobile, the present invention, under driving engine and motor drive mode, drives the first motor 8 to generate electricity by driving engine 1, for the second motor 15 provides power or for battery charge.
Claims (4)
1. a hybrid vehicle driving mechanism, it comprises driving engine (1), the first motor (8), the second motor (15) and the double planet wheel rows of mixing gear drive being formed by front planet row and rear planet row, front sun wheel (3) is drawn together in described front planet package, front satellite gear (4), front pinion carrier (6) and front ring gear (5), described front sun wheel (3) and front satellite gear (4) external toothing transmission, described front satellite gear (4) and the interior engaged transmission of front ring gear (5), front satellite gear (4) is arranged in front pinion carrier (6), described rear planet row comprises rear sun gear (13), rear satellite gear (12), rear pinion carrier (10) and rear gear ring (11), described rear sun gear (13) and rear satellite gear (12) external toothing transmission, described rear satellite gear (12) and the interior engaged transmission of rear gear ring (11), rear satellite gear (12) is arranged in rear pinion carrier (10), it is characterized in that, described front sun wheel (3) is provided with drg (2), described front pinion carrier (6) is connected with the clutch end of driving engine (1), front pinion carrier (6) is also connected with the first motor (8) main shaft by first clutch (7), described the first motor (8) main shaft is also connected with front ring gear (5), described front ring gear (5) is connected with rear pinion 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 actuating device power take-off shaft (14).
2. a kind of hybrid vehicle driving mechanism according to claim 1, it is characterized in that, under electric-only mode, drg (2) is in running order, first clutch (7), second clutch (9) are all in engagement state, the second motor (15) main shaft drives rear sun gear (13) running, satellite gear (12) running after rear sun gear (13) drives, gear ring (11) running after rear satellite gear (12) drives, the propulsive effort that the second motor (15) provides is passed on actuating device power take-off 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) is worked with the second motor (15) simultaneously;
Pinion carrier (10) running after being driven by the first motor (8), satellite gear (12) running after rear pinion carrier (10) drives, the engaged transmission with rear gear ring (11) by rear satellite gear (12) again, the propulsive effort that the first motor (8) is provided is passed on actuating device power take-off shaft;
Drive rear sun gear (13) running by the second motor (15), satellite gear (12) running after rear sun gear (13) drives, gear ring (11) running after rear satellite gear (12) drives, the propulsive effort that the second motor (15) provides is passed on actuating device power take-off 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 driving engine and motor drive mode, drg (2) is in running order, second clutch (9) is in engagement state, and driving engine (1) is worked with the second motor (15) simultaneously;
Pinion carrier (6) running before being driven by driving engine (1), satellite gear (4) running before front pinion carrier (6) drives, engaged transmission by front satellite gear (4) with front ring gear (5), the part propulsive effort of driving engine (1) output is passed to rear pinion carrier (10), satellite gear (12) after being driven by rear pinion carrier (10) again, with the engaged transmission of rear gear ring (11), driving engine (1) transmission of power is upper to actuating device power take-off shaft (14) by rear satellite gear (12), another part propulsive effort of driving engine (1) output drives the first motor (8) generating;
Drive rear sun gear (13) running by the second motor (15), satellite gear (12) running after rear sun gear (13) drives, gear ring (11) running after rear satellite gear (12) drives, the propulsive effort that the second motor (15) provides is passed on actuating device power take-off shaft (14) by rear gear ring (11).
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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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| CN201410069849.4A CN103786564B (en) | 2014-02-28 | 2014-02-28 | A kind of hybrid vehicle driving mechanism |
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| CN103786564B CN103786564B (en) | 2016-06-29 |
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| CN106627096A (en) * | 2017-01-04 | 2017-05-10 | 广州汽车集团股份有限公司 | Double-planet-row oil-electricity hybrid power system and oil-electricity hybrid power vehicle |
| CN106740045A (en) * | 2017-02-06 | 2017-05-31 | 重庆青山工业有限责任公司 | A kind of mixed power automobile driving system |
| CN106864246A (en) * | 2017-01-17 | 2017-06-20 | 江苏大学 | A kind of hybrid power vehicle double row planetary gear arranges formula power coupling mechanism and control method |
| CN107009867A (en) * | 2017-04-18 | 2017-08-04 | 厦门市福工动力技术有限公司 | Double-clutch mixed power drive system |
| CN107323245A (en) * | 2017-08-15 | 2017-11-07 | 吉林省晟林汽车传动科技有限公司 | 4DHT hybrid-powered motor speed variators |
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| CN107009867B (en) * | 2017-04-18 | 2023-10-20 | 厦门市福工动力技术有限公司 | Dual clutch hybrid drive system |
| CN107323245A (en) * | 2017-08-15 | 2017-11-07 | 吉林省晟林汽车传动科技有限公司 | 4DHT hybrid-powered motor speed variators |
| CN108045215B (en) * | 2018-01-16 | 2023-12-01 | 厦门市福工动力技术有限公司 | Double-row driving device suitable for hybrid bus |
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| CN108340765A (en) * | 2018-01-18 | 2018-07-31 | 燕山大学 | A kind of electronic speedup clutch of hybrid vehicle and its control method |
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| CN111452608B (en) * | 2020-04-17 | 2023-10-10 | 嵘波科技有限公司 | Hybrid power transmission and electric driving device based on compound planetary gear train |
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