CN104648115A - Two-shift variable speed drive system of plug-in type hybrid vehicle with integrated single-driving motor - Google Patents
Two-shift variable speed drive system of plug-in type hybrid vehicle with integrated single-driving motor Download PDFInfo
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- CN104648115A CN104648115A CN201510099635.6A CN201510099635A CN104648115A CN 104648115 A CN104648115 A CN 104648115A CN 201510099635 A CN201510099635 A CN 201510099635A CN 104648115 A CN104648115 A CN 104648115A
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Abstract
The invention relates to a two-shift variable speed drive system of a plug-in type hybrid vehicle with an integrated single-driving motor. The two-shift variable speed drive system comprises an engine, a driving motor, a double-clutch two-shift transmission, a main speed reduction mechanism, a speed reducer, a brake and a power coupling mechanism, wherein the power coupling mechanism consists of the driving motor, clutches and a planetary gear mechanism. The two-shift variable speed drive system has the advantages that the power coupling mechanism with the driving motor and the planetary gear mechanism is integrated with the double-clutch two-shift transmission and a speed differential mechanism, so compared with the hybrid driving system with independent power parts, the integration degree is high, and the transmission line is short; an engine starting mode, a parking charging model, a pure electric driving mode, an engine single-driving mode, an engine driving charging mode, a hybrid driving mode, a regeneration brake mode and a pure electric reversing mode of the vehicle are realized, so compared with the traditional hybrid driving system with the double-motor planetary gear mechanism, the power transfer efficiency is high, the structure is simple, and the cost is low.
Description
Technical field
The invention belongs to Development of HEV Technology field, be specifically related to two gear variable speed drive systems of plug-in hybrid-power automobile.
Background technology
At present, energy problem and environmental pollution have become the two large outstanding problems that conventional fuel oil automobile faces, and the hybrid vehicle in conjunction with pure electric automobile and conventional fuel oil automobile advantage becomes the focus of world car industry research.Plug-in hybrid-power automobile be a kind of can the new hybrid vehicles of external charge, its maximum feature is combined at hybrid electric drive system and pure electric drive system, mileage adopts electric-only mode in short-term, the hybrid mode based on combustion engine is adopted when mileage length is, and external common electrical network (mainly night valley power) can be utilized to carry out equalizing charge to vehicle mounted dynamic battery, generator sets in power plant efficiency can be improved, the peak load that disappears alleviates power supply pressure.Plug-in hybrid-power automobile drive system comprises multiple propulsion source, and its gordian technique is that hybrid drive system can run under multiple drive modes, to meet the power demand of vehicle under changeable operating condition.
Existing hybrid electric drive system adopts planet circular system scheme mostly, and " Prius ", " Escape " of the release of Ford of the U.S. that release as Japanese Toyota Company and " Allison " of AM General company release all have employed the hybrid power system based on sun and planet gear.But these hybrid power systems that above car company releases all adopt double-motor form, the even employing dual planetary gear mechanism form had, the cost which results in system is high, complex structure.
Current electronlmobil or employing fuel-engined vehicle multi-speed automatic transmission, make drive system structure complicated, complete vehicle quality increases, reduce energy utilization efficiency, or adopt the retarder of single fixed speed ratio, driving engine and drive motor is made usually to be operated in low efficiency district, be difficult to the requirement taking into account car load dynamic property and economy, and adopt two gear speed change systems that driving engine and drive motor can be kept to be in high efficiency work area, thus the advantage that the capacity usage ratio giving full play to hybrid vehicle is high.
Double-clutch speed changer combines the advantage of hand-operated transmission and traditional hydraulic mechanical type automatic transmission with hydraulic torque converter, vehicle is made to have the convenient driving the same with hydraulic mechanical type transmission vehicle and traveling comfort, and there is fuel economy more better than hydraulic mechanical type change-speed box, compared with the automatic transmission with hydraulic torque converter of other type, driving efficiency is high, low cost of manufacture.
In view of mixed power automobile driving system major part (driving engine, drive motor, dynamic coupling device, speed-changing mechanism and diff) lacks unified design arrangement in R&D process, cause that hybrid drive system complex structure, bulky, weight increase, system dispersion, cost be higher, be unfavorable for its development and industrialization, by drive motor, dynamic coupling device, speed-changing mechanism, the integrated inevitable choice being hybrid vehicle and developing of diff.
Summary of the invention
For solving defect or the deficiency of the existence of above-mentioned prior art, the invention provides a kind of plug-in hybrid-power automobile of integrated form list drive motor drive motor and power coupling mechanism, two clutch two shift transmission and diff integrated two keep off variable speed drive system.
Concrete technical solution is as follows:
Two gear variable speed drive systems of the plug-in hybrid-power automobile of integrated form list drive motor comprise driving engine 1, drive motor, two clutch two shift transmission, main gear reducer structure and diff, and described pair of clutch two shift transmission comprises double-clutch 30, two shift transmission;
Also comprise drg 3 and power coupling mechanism; Described power coupling mechanism is made up of described drive motor, power-transfer clutch 6 and sun and planet gear, and described power-transfer clutch 6 is Multi-plate Wet Friction Clutch;
The rotor 31 of described drive motor is annular rotor; Described power-transfer clutch 6 is positioned at an axially side of rotor 31; Described sun and planet gear is made up of gear ring 8, sun wheel 10, plural satellite gear 9 and planetary wheel carrier 7, and is positioned at annular rotor;
The power coupling input shaft 5 of power coupling mechanism is positioned at power-transfer clutch 6 side, and power coupling output shaft 11 is positioned at opposite side; Described drg 3 is located on the input end of power coupling input shaft 5, is connected to the power take-off shaft 2 of driving engine when the input end of power coupling input shaft 5 works;
During engine drive mode, described drg 3 is non-brake state, the rotor 31 of described drive motor is in free state, described power-transfer clutch 6 combines, the gear ring 8 of described sun and planet gear, sun wheel 10 and planetary wheel carrier 7 are mechanically locked, described driving engine 1 drives the gear ring 8 of described sun and planet gear, sun wheel 10 and planetary wheel carrier 7 to rotate, and power is passed to described pair of clutch two shift transmission through power coupling output shaft 11, drives vehicle operating;
During motor drive mode, described drg 3 is lock-out state, and gear ring 8 and the driving engine 1 of described sun and planet gear are in the lock state, and described power-transfer clutch 6 is separated; The sun wheel 10 of described sun and planet gear and planetary wheel carrier 7 rotate with respective speed respectively, described rotor 31 drives described sun wheel 10 and planetary wheel carrier 7 to rotate, power is passed to described pair of clutch two shift transmission through power coupling output shaft 11, drives vehicle operating;
During combination drive pattern, when vehicle is in high load capacity acceleration, climbing operating mode traveling, driving engine 1 and drive motor all participate in work; Described drg 3 is non-brake state, and described power-transfer clutch 6 is separated; The gear ring 8 of described sun and planet gear, sun wheel 10 and planetary wheel carrier 7 rotate with respective speed respectively; The power take-off shaft 2 of driving engine is connected with the gear ring 8 of sun and planet gear through described power coupling input shaft 5, the rotor 31 of described drive motor is connected with the sun wheel 10 of sun and planet gear, planetary wheel carrier 7 is connected with power coupling output shaft 11, driving engine 1 drives gear ring 8 to rotate, the rotor 31 of drive motor drives sun wheel 10 to rotate, by planetary wheel carrier 7 through power coupling output shaft 11 by transmission of power to described pair of clutch two shift transmission, drive vehicle operating.
During braking mode, when car retardation is braked, two clutch two shift transmission is in bottom gear mode of operation, and described drg 3 locks, and gear ring 8 and the driving engine 1 of described sun and planet gear are in the lock state, and described power-transfer clutch 6 is separated; The sun wheel 10 of described sun and planet gear and planetary wheel carrier 7 rotate with respective speed respectively, the braking force of wheel 19 drives the rotor 31 of drive motor to reverse by the planetary wheel carrier 7 of described diff, two clutch two shift transmission, sun and planet gear and sun wheel 10, drive motor enters power generation mode, reclaim braking energy, and charge to power battery pack 34 through drive motor controller 33.
Advantageous Effects of the present invention embodies in the following areas:
1. two gear variable speed drive systems of the plug-in hybrid-power automobile of a kind of integrated form list drive motor of the present invention, integrate the power coupling mechanism of drive motor and sun and planet gear, two clutch two shift transmission and diff respectively, compared with the drive system of the hybrid vehicle split with power part, there is integrated level high, the advantage that drive path is short, and the design arrangement being conducive to car load;
2. two gear variable speed drive systems of the plug-in hybrid-power automobile of a kind of integrated form list drive motor of the present invention, adopt single drive motor, and by the power coupling mechanism of control clutch and sun and planet gear, realize the fire an engine pattern of vehicle respectively, parking charge mode, pure motorized motions pattern, the independent drive pattern of driving engine, driving engine driving charge mode, combination drive pattern, braking mode and pure electronic reversing mode, compared with the drive system of the hybrid vehicle of traditional double-motor sun and planet gear, there is power transmission efficiency high, structure is simple, the advantage that cost is low,
3. two gear variable speed drive systems of the plug-in hybrid-power automobile of a kind of integrated form list drive motor of the present invention, two clutch two is adopted to keep off speed-changing mechanism, compared with the speed-changing mechanism of one grade of fixed speed ratio, car load dynamic property, economy, emission performance and traveling comfort can be improved, improve engine operating efficiency, drive motor efficiency, extend electrokinetic cell life-span and car load continual mileage.
Accompanying drawing explanation
Fig. 1 is driving schematic diagram of the present invention.
Fig. 2 is structural representation of the present invention.
Sequence number in upper figure: 1. driving engine, 2. power take-off shaft, 3. drg, 4. left half axle, 5. power coupling input shaft, 6. power-transfer clutch, 7. pinion carrier, 8. gear ring, 9. satellite gear, 10. sun wheel, 11. power coupling output shafts, 12. differential casings, 13. left half axle gears, the satellite gear of 14. difies, the planet wheel spindle of 15. difies, 16. right axle shaft gears, 17. right axle shafts, 18. driven reducing gear, 19. wheels, 20. first gear driven gears, 21. tween drive shafts, 22. second gear driven gears, 23. active reducing gear, 24. first gear driving gears, the output shaft of 25. firsts clutch, 26. second gear driving gears, the output shaft of 27. second clutch, 28. second clutch, 29. firsts clutch, 30. double-clutchs, 31. rotors, 32. stators, 33. drive motor controller, 34. power battery pack, 35. onboard chargers, 36. charging plugs.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
Embodiment
See Fig. 1 and Fig. 2, two gear variable speed drive systems of the plug-in hybrid-power automobile of integrated form list drive motor comprise driving engine 1, drive motor, two clutch two shift transmission, main gear reducer structure and retarder.Two clutch two shift transmission comprises double-clutch 30, two shift transmission; Also comprise drg 3 and power coupling mechanism; Power coupling mechanism is made up of described drive motor, power-transfer clutch 6 and sun and planet gear.
Drive motor is permanent magnetic brushless, comprises stator 32 and rotor 31; Rotor 31 is annular rotor; Power-transfer clutch 6 is positioned at an axially side of rotor 31; Sun and planet gear is made up of gear ring 8, sun wheel 10, plural satellite gear 9 and planetary wheel carrier 7, and is positioned at annular rotor;
The power coupling input shaft 5 of power coupling mechanism is positioned at power-transfer clutch 6 side, and power coupling output shaft 11 is positioned at opposite side; Described drg 3 is located on the input end of power coupling input shaft 5, is connected to the power take-off shaft 2 of driving engine when the input end of power coupling input shaft 5 works.
Power-transfer clutch 6 is Multi-plate Wet Friction Clutch, and the rotating plate of power-transfer clutch 6 is fixedly connected with power coupling input shaft 5, and the driven disc of power-transfer clutch 6 is fixedly connected with axis one side of rotor 31; The mouth of power coupling input shaft 5 is connected to the gear ring 8 of sun and planet gear;
The sun wheel 10 of sun and planet gear is fixedly connected with by connecting panel with the axial another side of rotor 31; The wheel shaft of sun wheel 10 is hollow shaft, and is rotor shaft; Rotor 31 is fixedly connected rotor shaft by the attaching parts of axial another side; Power coupling output shaft 11 is fitted with in the wheel shaft of sun wheel 10; One end of power coupling output shaft 11 is mouth, and is connected to the housing of double-clutch 30, and the other end of power coupling output shaft 11 is connected to planetary wheel carrier 7.
See Fig. 1 and Fig. 2, the power take-off shaft 2 of driving engine 1 is connected with power coupling input shaft 5.The first clutch 29 of two clutch two shift transmission is connected with the first gear driving gear 24 of two shift transmissions by the output shaft 25 of first clutch, and often engage with first gear driven gear 20, the second clutch 28 of two clutch two shift transmission is connected with second gear driving gear 26 by the output shaft 27 of second clutch, and empty set is on the output shaft 25 of first clutch, and often engage with second gear driven gear 22, first gear driven gear 20 and second gear driven gear 22 are set on the tween drive shaft 21 of two gear speed-changing mechanisms respectively; The active reducing gear 23 of main gear reducer structure is set on the tween drive shaft 21 of two gear speed-changing mechanisms, and often engage with the driven reducing gear 18 of main gear reducer structure, the driven reducing gear 18 of main gear reducer structure is integrated with the solid cover of differential casing 12, and drives wheel 19 by the satellite gear 14 of diff, left half axle gear 13, right axle shaft gear 16 and left half axle 4, right axle shaft 17; Drg 3 is located on the input end of power coupling input shaft 5, the input end of power coupling input shaft 5 is connected to the power take-off shaft 2 of driving engine when working, by the braking of control brake 3 or unclamp, the power take-off shaft 2 realizing driving engine locks and unclamps, and guarantees that vehicle driving engine 1 under pure motorized motions pattern and braking mode cuts out, power take-off shaft 2 does not rotate.By the rotating plate of control clutch 6, the combination of driven disc be separated, realize the sun wheel 10 of sun and planet gear, the combination of gear ring 8 be separated, coordinate simultaneously and control driving engine 1, drive motor rotor 31 and drg 3 realize the fire an engine pattern of vehicle respectively, parking charge mode, pure motorized motions pattern, the independent drive pattern of driving engine, driving engine driving charge mode, combination drive pattern, braking mode and pure electronic reversing mode, and by control the first clutch 29 of described pair of clutch two shift transmission and the combination of second clutch 28 respectively and be separated, realize bottom gear, the smooth-going switching of top gear, improve shifting power and the driver comfort of vehicle.
Principle of work of the present invention is described as follows:
(1) engine drive mode
Drg 3 is non-brake state, and the rotor 31 of drive motor is in free state, and power-transfer clutch 6 combines, and the gear ring 8 of sun and planet gear, sun wheel 10 and planetary wheel carrier 7 are mechanically locked; Driving engine 1 drives the gear ring 8 of described sun and planet gear, sun wheel 10 and planetary wheel carrier 7 to rotate, and power is passed to described pair of clutch two shift transmission through power coupling output shaft 11, drives vehicle operating.Described engine drive mode comprises the independent drive pattern of driving engine, driving engine driving charge mode and parking charge mode.
(1.1) the independent drive pattern of driving engine
Vehicle at the uniform velocity travel and engine operation when high efficient area, vehicle enters the independent drive pattern of driving engine, now, drg 3 is non-brake state, the rotor 31 of drive motor is in free state, power-transfer clutch 6 combines, and the power that driving engine 1 exports is passed to described pair of clutch two shift transmission through power coupling mechanism, and drives vehicle to run under bottom gear, top gear mode of operation respectively by controlling double-clutch 30.
When vehicle is in the operation of bottom gear mode of operation, the second clutch 28 of double-clutch is separated, the first clutch 29 of double-clutch combines, power drives first gear driving gear 24 to rotate through the output shaft 25 of first clutch, first gear driving gear 24 drives first gear driven gear 20 to rotate, initiatively reducing gear 23 drive driven reducing gear 18 to rotate, and drive operational mode separately by the driving engine that diff realizes vehicle bottom gear.
When vehicle is in the operation of top gear mode of operation, the first clutch 29 of double-clutch is separated, the second clutch 28 of double-clutch combines, power drives second gear driving gear 26 to rotate through the output shaft 27 of second clutch, second gear driving gear 26 drives second gear driven gear 21 to rotate, initiatively reducing gear 23 drive driven reducing gear 18 to rotate, and drive operational mode separately by the driving engine that diff realizes vehicle high-speed gear.
(1.2) driving engine driving charge mode
When travelling under the operating mode that power battery pack 34 electricity is not enough or vehicle load is lower, under guarantee automobile normal running performance prerequisite, vehicle enters driving engine driving charge mode, to improve engine load rate, and makes it to be operated in high efficient area.Now, drg 3 is non-brake state, and power-transfer clutch 6 combines, and drive motor is in generating state, and driving engine 1 outputting power is passed to described pair of clutch two shift transmission through power coupling mechanism, drives vehicle operating; The sun wheel 10 of sun and planet gear drives the rotor 31 of drive motor to rotate simultaneously, and charges, to maintain battery charge level to power battery pack 34 by drive motor controller 33.
(1.3) parking charge mode
Not enough at power battery pack 34 electricity, when needing driving engine 1 to charge, vehicle enters parking power generation mode, and now, drg 3 is non-brake state, power-transfer clutch 6 combines, drive motor is in generating state, and first clutch 29 and the second clutch 28 of described double-clutch are all in released state, and driving engine 1 drives the gear ring 8 of described sun and planet gear and sun wheel 10 to rotate, and drive drive motor rotor 31 to rotate, charge to power battery pack 34 by drive motor controller 33.
(2) motor drive mode
Drg 3 is lock-out state, and gear ring 8 and the driving engine 1 of sun and planet gear are in the lock state, and power-transfer clutch 6 is separated; The sun wheel 10 of sun and planet gear and planetary wheel carrier 7 rotate with respective speed respectively, and rotor 31 drives described sun wheel 10 and planetary wheel carrier 7 to rotate, and power is passed to described pair of clutch two shift transmission through power coupling output shaft 11, drive vehicle operating.Described motor drive mode comprises pure motorized motions pattern, fire an engine pattern, pure electronic reversing mode and grid charging pattern.
(2.1) pure motorized motions pattern
Low vehicle speeds or engine operating efficiency low time, vehicle enters pure motorized motions pattern.Now drg 3 is lock-out state, driving engine 1 is in the lock state, the gear ring 8 of sun and planet gear is in the lock state together with driving engine, power-transfer clutch 6 is separated, drive motor is in driving condition, drive motor rotor 31 drives the sun wheel 10 of sun and planet gear, planetary wheel carrier 7 rotates, through the output shaft 11 of power coupling mechanism by transmission of power to two clutch two shift transmission, and drive vehicle to run under bottom gear, top gear mode of operation respectively by controlling double-clutch 30.
When vehicle is in the operation of bottom gear mode of operation, the second clutch 28 of double-clutch is separated, and the first clutch 29 of double-clutch combines, and realizes the pure motorized motions operational mode of vehicle bottom gear.
When vehicle is in the operation of top gear mode of operation, the first clutch 29 of double-clutch is separated, and the second clutch 28 of double-clutch combines, and realizes the pure motorized motions operational mode of vehicle high-speed gear.
(2.2) fire an engine pattern
When fire an engine, described drg 3 is non-brake state, driving engine 1 is in unlock state, power-transfer clutch 6 combines, the gear ring 8 of described sun and planet gear, sun wheel 10 and planetary wheel carrier 7 are mechanically locked, first clutch 29 and the second clutch 28 of double-clutch are all in released state, drive motor is in driving condition, drive motor rotor 31 drives the sun wheel 10 of sun and planet gear and gear ring 8 to rotate, and drive the power take-off shaft 2 of driving engine to rotate through the input shaft 5 of power coupling mechanism, fire an engine 1.
(2.3) pure electronic reversing mode
When vehicle backing, drg 3 is lock-out state, driving engine 1 is in the lock state, power-transfer clutch 6 is separated, and the gear ring 8 of sun and planet gear is in the lock state together with driving engine 1, and drive motor rotor 31 reverses, and by the sun wheel 10 of sun and planet gear and planetary wheel carrier 7 by transmission of power to described pair of clutch two shift transmission, the second clutch 28 of double-clutch is separated, and the first clutch 29 of double-clutch combines, and realizes vehicle reverse travel under low gear.
(2.4) grid charging pattern
At night or if desired, vehicle parking is at charging pile place, drg 3 is lock-out state, driving engine 1 is in closed condition, power-transfer clutch 6 is separated, drive motor is in power-off lock-out state, and onboard charger 35 is connected with the electrical network of charging pile by charging plug 36, and by the charging strategy set to power battery pack 34 safe charging.
(3) combination drive pattern
When vehicle is in high load capacity (accelerate, climb) operating mode traveling, driving engine 1 and drive motor all participate in work; Described drg 3 is non-brake state, and described power-transfer clutch 6 is separated; The gear ring 8 of described sun and planet gear, sun wheel 10 and planetary wheel carrier 7 rotate with respective speed respectively; The power take-off shaft 2 of driving engine is connected with the gear ring 8 of sun and planet gear through described power coupling input shaft 5, the rotor 31 of described drive motor is connected with the sun wheel 10 of sun and planet gear, planetary wheel carrier 7 is connected with power coupling output shaft 11, driving engine 1 drives gear ring 8 to rotate, the rotor 31 of drive motor drives sun wheel 10 to rotate, by planetary wheel carrier 7 through power coupling output shaft 11 by transmission of power to described pair of clutch two shift transmission, drive vehicle operating.
(4) braking mode,
When car retardation is braked, two clutch two shift transmission is in bottom gear mode of operation, and described drg 3 locks, and gear ring 8 and the driving engine 1 of described sun and planet gear are in the lock state, and described power-transfer clutch 6 is separated; The sun wheel 10 of described sun and planet gear and planetary wheel carrier 7 rotate with respective speed respectively, the braking force of wheel 19 drives the rotor 31 of drive motor to reverse by the planetary wheel carrier 7 of described diff, two clutch two shift transmission, sun and planet gear and sun wheel 10, drive motor enters power generation mode, reclaim braking energy, and charge to power battery pack 34 through drive motor controller 33.
Claims (3)
1. two gear variable speed drive systems of the plug-in hybrid-power automobile of integrated form list drive motor, comprise driving engine (1), drive motor, two clutch two shift transmission, main gear reducer structure and diff, described pair of clutch two shift transmission comprises double-clutch (30), two shift transmissions; It is characterized in that:
Also comprise drg (3) and power coupling mechanism; Described power coupling mechanism is made up of described drive motor, power-transfer clutch (6) and sun and planet gear, and described power-transfer clutch (6) is Multi-plate Wet Friction Clutch;
The rotor (31) of described drive motor is annular rotor; Described power-transfer clutch (6) is positioned at an axially side of rotor (31); Described sun and planet gear is made up of gear ring (8), sun wheel (10), plural satellite gear (9) and planetary wheel carrier (7), and is positioned at annular rotor;
The power coupling input shaft (5) of power coupling mechanism is positioned at power-transfer clutch (6) side, and power coupling output shaft (11) is positioned at opposite side; Described drg (3) is located on the input end of power coupling input shaft (5), is connected to the power take-off shaft (2) of driving engine when the input end of power coupling input shaft (5) works;
During engine drive mode, described drg (3) is non-brake state, the rotor (31) of described drive motor is in free state, described power-transfer clutch (6) combines, the gear ring (8) of described sun and planet gear, sun wheel (10) and planetary wheel carrier (7) are mechanically locked, described driving engine (1) drives the gear ring (8) of described sun and planet gear, sun wheel (10) and planetary wheel carrier (7) to rotate, power is passed to described pair of clutch two shift transmission through power coupling output shaft (11), drives vehicle operating;
During motor drive mode, described drg (3) is lock-out state, and gear ring (8) and the driving engine (1) of described sun and planet gear are in the lock state, and described power-transfer clutch (6) is separated; Sun wheel (10) and the planetary wheel carrier (7) of described sun and planet gear rotate with respective speed respectively, described rotor (31) drives described sun wheel (10) and planetary wheel carrier (7) to rotate, power is passed to described pair of clutch two shift transmission through power coupling output shaft (11), drives vehicle operating;
During combination drive pattern, when vehicle is in high load capacity (accelerate, climb) operating mode traveling, driving engine (1) and drive motor all participate in work; Described drg (3) is non-brake state, and described power-transfer clutch (6) is separated; The gear ring (8) of described sun and planet gear, sun wheel (10) and planetary wheel carrier (7) rotate with respective speed respectively; The power take-off shaft (2) of driving engine is connected with the gear ring (8) of sun and planet gear through described power coupling input shaft (5), the rotor (31) of described drive motor is connected with the sun wheel (10) of sun and planet gear, planetary wheel carrier (7) is connected with power coupling output shaft (11), driving engine (1) drives gear ring (8) to rotate, the rotor (31) of drive motor drives sun wheel (10) to rotate, by planetary wheel carrier (7) through power coupling output shaft (11) by transmission of power to described pair of clutch two shift transmission, drive vehicle operating;
During braking mode, when car retardation is braked, two clutch two shift transmission is in bottom gear mode of operation, and described drg (3) locks, gear ring (8) and the driving engine (1) of described sun and planet gear are in the lock state, and described power-transfer clutch (6) is separated; Sun wheel (10) and the planetary wheel carrier (7) of described sun and planet gear rotate with respective speed respectively, by the planetary wheel carrier (7) of described diff, two clutch two shift transmission, sun and planet gear and rotor (31) reversion of sun wheel (10) drive drive motor, drive motor enters power generation mode, reclaim braking energy, and give power battery pack (34) charging through drive motor controller 33.
2. two gear variable speed drive systems of the plug-in hybrid-power automobile of integrated form list drive motor according to claim 1, is characterized in that:
The rotating plate of described power-transfer clutch (6) is fixedly connected with power coupling input shaft (5), and the driven disc of power-transfer clutch (6) is fixedly connected with axis one side of rotor (31); The mouth of power coupling input shaft (5) is connected to the gear ring (8) of sun and planet gear;
The sun wheel (10) of sun and planet gear is fixedly connected with by connecting panel with the axial another side of rotor (31); The wheel shaft of sun wheel (10) is hollow shaft, and is rotor shaft; Described rotor (31) is fixedly connected rotor shaft by the attaching parts of axial another side; Power coupling output shaft (11) is inserted with in the wheel shaft of sun wheel (10); One end of described power coupling output shaft (11) is mouth, and is connected to the housing of double-clutch (30), and the other end of power coupling output shaft (11) is connected to planetary wheel carrier (7).
3. two gear variable speed drive systems of the plug-in hybrid electric vehicle of integrated form list drive motor according to claim 1, is characterized in that: described drive motor is permanent magnetic brushless or ISG motor.
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| CN106347096A (en) * | 2016-09-12 | 2017-01-25 | 四川大学 | Automotive three-clutch hybrid power transmission system |
| CN110114237A (en) * | 2017-01-06 | 2019-08-09 | 日立汽车系统株式会社 | Vidacare corp and controller of vehicle |
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| CN108622072A (en) * | 2018-03-29 | 2018-10-09 | 上海汽车集团股份有限公司 | Hybrid power automobile power assembly control method for series-mode frame |
| CN114222677A (en) * | 2019-11-08 | 2022-03-22 | 舍弗勒技术股份两合公司 | Two-gear speed change bridge driving system with double clutches |
| WO2021087946A1 (en) * | 2019-11-08 | 2021-05-14 | 舍弗勒技术股份两合公司 | Two-gear variable-speed bridge drive system having dual clutch |
| CN111319608A (en) * | 2019-12-27 | 2020-06-23 | 福建中维动力科技股份有限公司 | Backing control system based on integrated hybrid power system |
| CN111319607A (en) * | 2019-12-27 | 2020-06-23 | 福建中维动力科技股份有限公司 | Reverse control system based on efficient hybrid power system |
| CN111319609B (en) * | 2019-12-27 | 2023-09-26 | 福建中维动力科技股份有限公司 | Reversing control system based on compact hybrid power system |
| CN111319607B (en) * | 2019-12-27 | 2023-09-26 | 福建中维动力科技股份有限公司 | Reversing control system based on high-efficiency hybrid power system |
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| CN113022294A (en) * | 2021-03-05 | 2021-06-25 | 江苏大学 | Single-planet-row type hybrid electric vehicle power coupling mechanism and dynamic coordination control method thereof |
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