CN105109326B - A kind of hybrid power transmission drive device - Google Patents
A kind of hybrid power transmission drive device Download PDFInfo
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- CN105109326B CN105109326B CN201510512388.8A CN201510512388A CN105109326B CN 105109326 B CN105109326 B CN 105109326B CN 201510512388 A CN201510512388 A CN 201510512388A CN 105109326 B CN105109326 B CN 105109326B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Abstract
The present invention discloses a kind of hybrid power transmission drive device, including internal combustion engine (1), first motor/generator (2), second motor/generator (3), output shaft (4), first epicyclic train (5), second epicyclic train (6), third planet gear train (7), clutch I (8), clutch II (9) and brake (10), first epicyclic train (5) includes sun gear I (51), planet carrier I (52) and gear ring I (53), engaged with sun gear I (51) one end of the planet carrier I (52), the other end is engaged with gear ring I (53).Transmission drive of the invention, simple structure, and possess engine start reverse mode, after Vehicular battery exhausts, remain to realize car-backing function.
Description
Technical field
The invention belongs to multimodal fusion power vehicle technical field of power transmission, particularly a kind of simple structure, and possess
Engine start reverse mode, after Vehicular battery exhausts, remains to realize the hybrid power transmission drive device of car-backing function.
Background technology
Energy problem, particularly petroleum-based energy, are one of problems that various countries pay close attention to the most in recent years.Improve the fuel oil of automobile
Economic performance and discharge performance, to solve the energy problem and the emission pollution problem that increasingly sharpen, as automotive field research
Main target, this also turns into one of power of Hyundai Motor progress.Before electric automobile endurance is solved, mixing is dynamic
Power electric motor car is considered as to solve one of effective way of vehicle energy saving and environmental issue at present, and it passes through to increase extra power
Source (such as battery, super capacitor) and drive device (such as motor), only vehicle traction does not provide extra power, while can also
The operating efficiency of engine is enough improved, so as to be obviously improved the economic performance and discharge performance of vehicle.New-energy automobile, particularly
Hybrid vehicle is increasingly becoming the focus of major automobile production Corporation R & Ds.
At present, trend development of the hybrid vehicle towards many planet rows and multi-mode.Toyota Company released in 1997
First oil-electric vehicle Prius, this vehicle is improved by three generations, is expanded to from single planetary row system current double
Planet heat-extraction system, it has also become the mark post vehicle of hybrid vehicle.Extended-range that General Motors Corporation releases or for plug-in
Hybrid vehicle Volt, by three actions of clutch, it is possible to achieve four switchings of mode of operation, it was in 2015
Develop into double planet wheel rows of mixing hybrid drive system.2008, general, Chrysler, Bayerische Motorne Werke Aktiengeellschaft developed jointly a kind of referred to as GM
Dual-mode hybrid system, and be applied in the vehicles such as Tahoe and GMC Yukon, the hybrid power system has three rows
Planetary wheeling mechanism, six kinds of mode of operations, with prominent power performance, fuel-economy performance and discharge performance.Chinese invention is special
Profit application " control system of hybrid power system " (application number:200610156222.8, publication date:2008-02-20) disclose
A kind of vehicle propulsion system including internal combustion engine, the internal combustion engine has internal combustion engine output, electro-mechanical transmission and control system.This is interior
Combustion engine output is coupled to speed changer and is exported with a certain speed ratio, and the speed ratio is by multiple in electrically variable or fixed work
One of operation mode is set up.By the control according to preferred best effort cost come to being selected between each mode of operation
It is managed with control.However, there is no engine start reverse mode in foregoing prior art so that when Vehicular battery electricity
After exhausting, it is impossible to realize car-backing function, and the design of four clutches causes that the system architecture is complicated, relatively costly.
In sum, the problem of existing multimodal fusion power transmission drive device presence is:Complex structure, lacks engine
Start reverse mode.
The content of the invention
It is an object of the invention to provide a kind of hybrid power transmission drive device, simple structure, and possess engine and open
Dynamic reverse mode, after Vehicular battery exhausts, remains to realize car-backing function.
The technical solution for realizing the object of the invention is:A kind of hybrid power transmission drive device, including internal combustion engine,
One motor/generator, the second motor/generator, output shaft, the first epicyclic train, the second epicyclic train, the third line
Star gear train, clutch I, clutch II and brake, first epicyclic train include sun gear I, planet carrier I and gear ring
I, the one end of the planet carrier I is engaged with sun gear I, and the other end is engaged with gear ring I, and second epicyclic train includes sun gear
IIth, planet carrier II and gear ring II, one end of the planet carrier II are engaged with sun gear II, and the other end is engaged with gear ring II, and described
Three epicyclic trains include sun gear III, planet carrier III and gear ring III, and the one end of the planet carrier III is engaged with sun gear III, another
End is engaged with gear ring III, and the internal combustion engine is connected by internal combustion engine output shaft with gear ring I, the first motor/generator and the sun
Wheel I is connected, and the second motor/generator is connected with sun gear II, sun gear III, and output shaft is placed on planet carrier III;It is described too
Sun wheel I is connected with gear ring II, forms one;The one end of the clutch I is connected with the first motor/generator, sun gear I, separately
One end is connected with planet carrier I;The one end of the clutch II is connected with planet carrier I, and the other end is connected with planet carrier II;The braking
Device is connected with sun gear I.
The present invention compared with prior art, its remarkable advantage:
1st, the engagement by the clutch I, clutch II and brake with separate, be capable of achieving series drive mode, it is double
Motor electric-only mode, imported power dividing drive pattern and three kinds of bi-motor parallel drive moulds with different drive ratios
Formula, high, medium and low three kinds of different modes are divided into according to gearratio difference.
2nd, multiple-working mode allows the system to adapt to complicated, changeable working environment, effectively improves and improves
The dynamic property of vehicle, fuel consumption and emission performance, it is adaptable to deep hybrid power automobile and plug-in hybrid-power automobile.
3rd, series drive mode can make vehicle that pure motorized motions, the pure electronic mould of bi-motor are realized under urban congestion operating mode
Formula can improve vehicle acceleration in vehicle start, and imported power dividing drive pattern can provide higher under speed operation
Efficiency, underneath drive reduces when vehicle high-speed cruises the quadratic loss changed between mechanical energy and electric energy than paralleling model, carries
System effectiveness high, and high transmission ratio paralleling model then makes the vehicle have fabulous power performance in low speed.
4th, series drive mode is enabled the system in the case where battery electric quantity is low, while engine is started, still
Vehicle can so be made has the driveability that reverses gear.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is hybrid power transmission driving device structure schematic diagram of the present invention.
In figure, 1-internal combustion engine, the 2-the first motor/generator, the 3-the second motor/generator, 4-output shaft,
5-the first epicyclic train, the 6-the second epicyclic train, 7-third planet gear train, 51-sun gear I, 52-planet carrier
I, 53-gear ring I, 61-sun gear II, 62-planet carrier II, 63-gear ring II, 71-sun gear III, 72-planet carrier III,
73-gear ring III, 8-clutch I, 9-clutch II, 10-brake.
Specific embodiment
As shown in figure 1, hybrid power transmission drive device of the present invention, including internal combustion engine 1, the first motor/generator 2,
Second motor/generator 3, output shaft 4, the first epicyclic train 5, the second epicyclic train 6, third planet gear train 7, from
Clutch I 8, clutch II 9 and brake 10, first epicyclic train 5 include sun gear I 51, planet carrier I 52 and gear ring I
53, the one end of the planet carrier I 52 is engaged with sun gear I 51, and the other end is engaged with gear ring I 53, and second epicyclic train 6 is wrapped
Include sun gear II 61, planet carrier II 62 and gear ring II 63, the one end of the planet carrier II 62 is engaged with sun gear II 61, the other end with
Gear ring II 63 is engaged, and the third planet gear train 7 includes sun gear III 71, planet carrier III 72 and gear ring III 73, the planet
The one end of frame III 72 is engaged with sun gear III 71, and the other end is engaged with gear ring III 73, and the internal combustion engine 1 passes through the output shaft of internal combustion engine 1
It is connected with gear ring I 53, the first motor/generator 2 is connected with sun gear I 51, the second motor/generator 3 and sun gear II
61st, sun gear III 71 is connected, and output shaft 4 is placed on planet carrier III 72;Meanwhile, the sun gear I 51 is connected with gear ring II 63, shape
Integrally;The one end of the clutch I 8 is connected with the first motor/generator 2, sun gear I 51, the other end and planet carrier I 529
It is connected;The one end of the clutch II 9 is connected with planet carrier I 52, and the other end is connected with planet carrier II 62;Described 10 with sun gear I
51 are connected.
The present invention is capable of achieving tandem drive by controlling the engagement of clutch I 8, clutch II 9 and brake 10 and separating
Pattern, bi-motor electric-only mode, imported power dividing drive pattern and three kinds of bi-motors with different drive ratios are in parallel
Drive pattern, high, medium and low three kinds of different modes are divided into according to gearratio difference;And whether press engine start, vehicle whether
Acceleration and deceleration, system also has pure electric Drive Mode, parking operating mode, stopping for charging pattern, below will be according to system actuators shape
State, engine start state, mode of operation and state to the hybrid power transmission drive device are introduced.
1st, car-parking model 1:Clutch I 8, clutch II 9 and brake 10 are in released state, do not work, vehicle
Remain static.
2nd, bi-motor electric-only mode:Brake 10 is engaged, and clutch I 8 is in released state with clutch II 9.
Under this pattern, the first motor/generator 2 is connected with output shaft 4, the second motor/generator 3 with it is defeated
Shaft 4 is connected by planet carrier III 72, forms fixed drive ratio.In this mode, engine does not start, and first is electronic
The motor/generator 3 of machine/generator 2 and second advances by driven by energy vehicle of the energy content of battery, then realize that bi-motor is pure electronic
Pattern.
3rd, series drive mode:Clutch I 8 is engaged, and brake 10 is in released state with clutch II 9.
Under this pattern, internal combustion engine 1 is interconnected on the first motor/generator 2 by the first epicyclic train 5
Together, one is formed, with fixed drive ratio, the second motor/generator 3 passes through the phase of third planet gear train 7 with output shaft 4
Connect, form fixed drive ratio;Meanwhile, the first motor/generator 2 is connected as generator with internal combustion engine 1, the second electricity
Motivation/generator 3 is connected as motor with output shaft 4, and the first motor/generator 2 burns internal combustion engine 1 machinery of acquisition
Electric energy can be converted to, by the first epicyclic train 5 charge the battery or supply electricity to the second motor/generator 3 drive car
;If before in this mode, engine does not start, and the second motor/generator 3 is with the energy content of battery as driven by energy vehicle
Enter, then realize pure electric Drive Mode;If engine does not start, and vehicle is in braking deceleration state, the second motor/generating
Braking energy can be converted to electric energy by machine 3 as generator, so as to charge the battery, but due to the pattern only one of which motor
Brake energy recovery can be participated in, therefore the Brake energy recovery state of the pattern is called middle low-power Brake energy recovery;If hair
Motivation start, and the second motor/generator 3 not consumed energy drive vehicle, then realize stopping for charging pattern.If engine
Shut down with the second motor/generator 3 not consumed energy, then vehicle be in dead ship condition.Due to series drive mode so that should
Hybrid power transmission drive device has electric-only mode and stopping for charging pattern, therefore the mixed power plant can be used in
On stroke lengthening hybrid power automobile and plug-in hybrid-power automobile.
4th, imported power dividing drive pattern:Clutch II 9 is engaged, and brake 10 is in clutch I 8 and separates shape
State.
In such a mode, planet carrier I 52, planet carrier II 62 interconnect with third planet gear train 7, now,
First motor/generator 2 is connected with output shaft 4, and automobile can be driven to advance and retreat;This pattern is suitable for middle low speed row
Operating mode is sailed, the power of internal combustion engine 1 is input to gear ring I 53, the planet carrier I 52 and of first row planetary system by the output shaft of internal combustion engine 1
The planet carrier II 62 of two-row planetary system, now, the planetary gearsets of whole three epicyclic trains composition as diversion mechanism, when
When engine power is more than demand power, excess energy is conveyed to the generating of the first motor/generator 2 and is charged the battery, and
When engine power is less than demand power, the first motor/generator 2 provides energy and drives vehicle as motor again;This
When, the Main Function of the second motor/generator 3 is by adjusting its own rotating speed so that internal combustion engine 1 works in its optimal combustion
Oily business efficiency region, improves the efficiency of system.And in the pattern, two motor/generators are only low in vehicle is in
During fast operating mode, high efficiency region is just operated in, therefore the pattern is suitable for being operated in middle speed operation.In addition, under the pattern,
If engine does not start, the first motor/generator 2 also can realize pure electric Drive Mode as motor or generator
Or Brake energy recovery pattern, the Brake energy recovery pattern is also middle low-power Brake energy recovery.
5th, high transmission ratio bi-motor parallel drive pattern:When needing to realize high transmission ratio bi-motor parallel drive, clutch
Device I 8 is engaged with II 18, and brake 10 is in released state.
In such a mode, planet carrier I 52, planet carrier II 62 interconnect with planet carrier III 72, form one, this
When, the first motor/generator 2 is connected with output shaft 4, and the third line is passed through between the second motor/generator 3 and output shaft 4
Star gear train 7 forms fixed drive ratio, and fixed conveyor is formed by the first epicyclic train 5 between internal combustion engine 1 and output shaft 4
Than, therefore all power sources have been coupling in together under the state, have no the stepless shift function under power dividing drive pattern.
Now, bi-motor still can be as power assistance mechanism, when engine power is more than demand power, double motor/generator
Unnecessary engine power is converted into electric energy to charge the battery, and when engine power is less than operator demand's power, it is double
Motor/generator provides energy and drives vehicle as motor;Under the state, the gearratio of device, that is, engine with
Gearratio between output shaft 4 is depending on the gear ring I 53 of the first epicyclic train 5 and the gear ratio of sun gear I 51, and the ratio
It is therefore the referred to as high transmission ratio parallel drive pattern more than the ratio of aftermentioned two patterns.Due to the high transmission ratio of system, in system
Output end can obtain larger output torque, along with two moments of torsion of motor so that vehicle in this mode have compared with
Power performance high, therefore the pattern instantaneously provides larger power suitable for low speed high load demand.Meanwhile, when engine is not opened
When dynamic, the pattern can be operated in pure electric Drive Mode, but now engine has dragging effect, therefore it is not recommended that be entered using the pattern
The pure electric Drive Mode of row, and vehicle is under braking deceleration state, this pattern can be double as Brake energy recovery pattern, now
Motor can simultaneously participate in Brake energy recovery, therefore also referred to as the pattern is Brake energy recovery pattern high.
6th, middle gearratio bi-motor parallel drive pattern:When gearratio bi-motor parallel drive in needing to realize, clutch
Device II 9 is engaged with brake 110, and clutch I 8 is in released state.
In such a mode, the first motor/generator 2 links together with output shaft 4, formed one, engine with it is defeated
Fixed drive ratio is formed by the second epicyclic train 6 between shaft 4, the second motor/generator 3 passes through third planet gear
It is that 7 and output shaft 4 form fixed drive ratio, therefore all power sources have been coupling in together under the state, have no power dividing
Stepless shift function under drive pattern.Consistent with high transmission ratio bi-motor parallel drive pattern, bi-motor still can be as dynamic
Power auxiliary body realizes combination drive pattern in parallel.Under the state between the gearratio of system, that is, engine and output shaft 4
Gearratio depend on the ratio between the number of teeth of the gear ring III 73 of third planet gear train 7 plus sun gear III 71 and gear ring III 73, should
Ratio is between the gearratio of high transmission ratio drive pattern and 1, therefore gearratio parallel drive pattern in being referred to as.Have under the pattern
Have and pure electric Drive Mode as high transmission ratio bi-motor parallel drive pattern lower class and Brake energy recovery pattern.
7th, underneath drive is than bi-motor parallel drive pattern:When needing to realize underneath drive than bi-motor parallel drive, clutch
Device I 8 is engaged with brake 10, and clutch II 9 is in released state.
In such a mode, planet carrier I 52 interconnects with planet carrier III 72, forms one, and now, first is electronic
Machine/generator 2, sun gear I 51 are directly connected to output shaft 4, and internal combustion engine 1, planet carrier I 52 are straight with the first motor/generator 2
Connect in succession, so when system in all power sources will between identical rotating speed, i.e. internal combustion engine 1 and output shaft 4, it is first electronic
Gearratio between machine/generator 2 and output shaft 4, between the second motor/generator 3 and output shaft 4 is 1, similarly, should
All power sources have been coupling in together under state, have no the stepless shift function under power dividing type pattern.It is driven with height
More consistent than bi-motor parallel drive pattern, bi-motor still can realize combination drive pattern in parallel as power assistance mechanism.Should
Gearratio under state between the gearratio of system, that is, engine and output shaft 4 is 1, is three minimum values of gear, therefore
Referred to as underneath drive is than parallel drive pattern.The pattern is adapted to high speed cruise conditions, according to the characteristics of power dividing pattern, may
The multiple conversions occurred between electric energy and mechanical energy cause that energy efficiency is lower, and can make the efficiency of system using purely mechanic transmission
It is improved, therefore underneath drive is suitable to high-performance cruise operating mode than bi-motor parallel drive pattern.Meanwhile, have under the pattern and passed with height
Move than pure electric Drive Mode as bi-motor parallel drive pattern lower class and Brake energy recovery pattern.
8th, car-parking model 2:Clutch I 8, clutch II 9 and brake 10 are in engagement state, and vehicle is in static shape
State.
Following table is mode of operation summary sheet of the invention:
The mode of operation summary sheet of table 1
" a kind of multimodal fusion power transmission drives another first Chinese invention patent application of the present invention and the present inventor
Device " (application number:201510428407.9, the applying date:2015.. in place of technical scheme) plays the same tune on different musical instruments, there is structure letter
It is single, and possess engine start reverse mode, after Vehicular battery exhausts, remain to realize the advantage of car-backing function.But both
Structure is different.Though being all multimodal fusion power transmission arrangment, the mode of operation realized on hybrid electric vehicle has difference, this hair
Under bright scheme, mode of operation eliminates output type work shunting drive pattern, with the addition of Dual-motors Driving pattern, right under the pattern
Motor control requirement is simpler than output type pattern, and bi-motor pattern integral power of getting off gets a promotion.
Claims (7)
1. a kind of hybrid power transmission drive device, it is characterised in that:
Including internal combustion engine (1), the first motor/generator (2), the second motor/generator (3), output shaft (4), the first row
Star gear train (5), the second epicyclic train (6), third planet gear train (7), clutch I (8), clutch II (9) and braking
Device (10),
First epicyclic train (5) includes sun gear I (51), planet carrier I (52) and gear ring I (53), the planet carrier I
(52) one end is engaged with sun gear I (51), and the other end is engaged with gear ring I (53),
Second epicyclic train (6) includes sun gear II (61), planet carrier II (62) and gear ring II (63), the planet carrier
II (62) one end is engaged with sun gear II (61), and the other end is engaged with gear ring II (63),
The third planet gear train (7) includes sun gear III (71), planet carrier III (72) and gear ring III (73), the planet carrier
III (72) one end is engaged with sun gear III (71), and the other end is engaged with gear ring III (73),
The sun gear I (51) is fixedly connected with the output shaft of the first motor/generator (2), the planet carrier II (62) with
The output shaft of the second motor/generator (3) is fixedly connected, the sun gear III (71) and the second motor/generator (3)
Output shaft is fixedly connected,
The one end of the clutch I (8) is connected with the output shaft of the first motor/generator (2), the other end and planet carrier I (52)
Connection, one end of the clutch II (9) is fixedly connected with planet carrier I (52), and the other end is fixedly connected with planet carrier II (62), institute
State brake (10) one end to be fixedly connected with planet carrier III (72), the planet carrier III (72) is also fixedly connected with output shaft (4),
The other end is connected with sun gear I (51),
The gear ring I (53) is engaged with the output shaft of internal combustion engine (1).
2. transmission drive according to claim 1, it is characterised in that:During the pure motorized motions of bi-motor, brake
(10) engage, clutch I (8), clutch II (9) are separated.
3. transmission drive according to claim 1, it is characterised in that:During tandem drive, clutch I (8) is engaged, from
Clutch II (9), brake (10) are separated.
4. transmission drive according to claim 1, it is characterised in that:When imported power dividing drives, clutch
II (9) engagement, clutch I (8), brake (10) are separated.
5. transmission drive according to claim 1, it is characterised in that:During high transmission ratio bi-motor parallel drive, system
Dynamic device (10) is separated, and clutch I (8), clutch II (9) are engaged.
6. transmission drive according to claim 1, it is characterised in that:During middle gearratio bi-motor parallel drive, from
Clutch I (8) is separated, and clutch II (9), brake (10) are engaged.
7. transmission drive according to claim 1, it is characterised in that:When underneath drive is than bi-motor parallel drive, from
Clutch II (9) is separated, and clutch I (8), brake (10) are engaged.
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CN201510512388.8A CN105109326B (en) | 2015-08-19 | 2015-08-19 | A kind of hybrid power transmission drive device |
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CN201510512388.8A CN105109326B (en) | 2015-08-19 | 2015-08-19 | A kind of hybrid power transmission drive device |
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CN105109326A CN105109326A (en) | 2015-12-02 |
CN105109326B true CN105109326B (en) | 2017-06-27 |
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CN106183780B (en) * | 2016-08-30 | 2023-07-25 | 上海交通大学 | Double-planetary gear train double-motor coaxial coupling driving system |
CN106564361B (en) * | 2016-09-23 | 2023-03-28 | 广州汽车集团股份有限公司 | Double-planet-row hybrid power system and hybrid power vehicle |
CN106627096B (en) * | 2017-01-04 | 2023-05-16 | 广州汽车集团股份有限公司 | Double-planet oil discharging electric hybrid power system and oil electric hybrid power automobile |
CN106828129B (en) * | 2017-03-02 | 2019-01-18 | 北理慧动(常熟)车辆科技有限公司 | Four-wheel can independent control distributed driving hybrid electric vehicle power system |
CN108909433B (en) * | 2018-07-09 | 2024-02-09 | 宁波上中下自动变速器有限公司 | Powertrain for hybrid vehicle |
CN109795306B (en) * | 2019-01-03 | 2022-02-22 | 东南大学 | Power transmission device for hybrid electric vehicle |
CN109795305A (en) * | 2019-01-03 | 2019-05-24 | 东南大学 | A kind of transmission device of multimodal fusion power vehicle |
CN109664748A (en) * | 2019-01-04 | 2019-04-23 | 重庆菲斯塔新能源汽车科技有限公司 | A kind of new energy power drive unit |
CN111645506B (en) * | 2019-03-04 | 2023-04-07 | 宇通客车股份有限公司 | Hybrid power system and vehicle |
DE102019112402A1 (en) * | 2019-05-13 | 2020-11-19 | Schaeffler Technologies AG & Co. KG | Hybrid gear unit with planetary gear sets for converting two serial and four parallel modes; as well as motor vehicle |
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