CN106976390A - A kind of planet series parallel type bimodulus drive system of hybrid power vehicle - Google Patents
A kind of planet series parallel type bimodulus drive system of hybrid power vehicle Download PDFInfo
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- CN106976390A CN106976390A CN201710337471.5A CN201710337471A CN106976390A CN 106976390 A CN106976390 A CN 106976390A CN 201710337471 A CN201710337471 A CN 201710337471A CN 106976390 A CN106976390 A CN 106976390A
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- planet row
- planet
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- vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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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
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a kind of planet series parallel type bimodulus drive system of hybrid power vehicle; it is related to automobile technical field, including engine, preceding planet row, rear planet row, clutch, No. two clutches, freewheel clutch, holdback, brake, a motor and No. two motors；The switching of different working modes can be realized with separating by the engagement of clutch and brake.Structure design of the present invention is compact, is effectively reduced the power grade of motor, reduces motor size, improves the climbable gradient performance of vehicle under electric-only mode, improves the low-speed performance under vehicle electric-only mode；Solve between the shortcoming that automobile produces parasitic power when high velocity is run, the high efficient area for improving hybrid power system, improve the economy of vehicle；Automobile is solved the problem of low regime acceleration difference and limited climbing capacity, the dynamic property and economy of vehicle is improved.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of planet series parallel type bimodulus motor vehicle driven by mixed power drivetrain
System.
Background technology
With the continuous aggravation of energy crisis and going from bad to worse for ecological environment, energy-conservation has turned into current international society with environmental protection
The two principal themes that can be paid close attention to.National governments launch respectively relevant policies, encourage and facilitate the research and development of new-energy automobile.This its
In, fuel cell car and pure electric automobile are difficult to popularize in a short time due to technical reason.Therefore as the mixing of transitional product
Power car is increasingly taken seriously.As current maximally effective energy-saving automobile scheme, the drive system of motor vehicle driven by mixed power has
Three kinds of forms of series, parallel and series-parallel connection.Tandem energy realizes the optimum control of engine, but whole energy can all pass through secondary turn
Change, lose larger；Parallel connection can realize preferable transmission efficiency, but engine is mechanically connected with output shaft, it is impossible to which guarantee is started
Machine is all the time in preferably working region；Series-parallel connection can combine series connection and advantage in parallel, evade the shortcoming of the two, in being three
The configuration scheme optimized the most.
Current Series-Parallel HEV is mainly used as power dividing device, typical structure type using planetary mechanism
THS systems and general AHS systems including Toyota.Wherein, the THS systems of Toyota can only realize input power shunt mode,
Motor is directly connected to output gear ring, higher to its performance requirement, in order to meet good dynamic property, need to select power
Higher ranked motor, this largely increases integral vehicle cost and the degree of difficulty installed.In addition, THS systems due to
Input power shunt mode can only be realized, it is smaller in high velocity transmission efficiency.Although the AHS systems of General Corporation can be realized
Bi-mode control, but it is most using the progress power dividing of three rows of planetary gear mechanisms, while needing to control multiple clutches, lock device
To carry out pattern switching, cause its complicated, control difficulty big.
At present, the patent of existing planet series parallel type bimodulus drive system of hybrid power vehicle can only be realized traditional mostly
It is smaller between power dividing pattern, the high efficient area of hybrid power system；Meanwhile, the output torque of such patent hybrid power system
Small, electric-only mode is less, in order to meet grade climbing performance equidynamic demand, need to be higher and larger-size from power grade
Motor.Such as Chinese patent publication No. CN104960407A, date of publication 2015-10-07, integrated form planetary gear oil electricity is disclosed mixed
Join bimodulus hybrid power system, the system can realize input power shunting and hybrid power shunts both of which, but system is high
Fast area's transmission efficiency is smaller, and larger weak magnetic loss can be produced under electric-only mode；And the system output torque is smaller, in order to
Grade climbing performance demand is met, it is necessary to match the motor of higher-wattage grade.A kind of planet series parallel type bimodulus motor vehicle driven by mixed power drives
Dynamic system combines five kinds of pure electronic subpatterns, two kinds of input powers shunting subpattern, hybrid power shunt mode and five kinds again
Raw braking subpattern.Under electric-only mode, the present invention is effectively reduced the power grade of motor, reduces motor size；And
The climbable gradient performance of vehicle under electric-only mode is improved, improves the low-speed performance under vehicle electric-only mode.In power dividing mould
Under formula, one aspect of the present invention is increased between the high efficient area of hybrid power system, is effectively prevented from the generation of parasitic power, is improved
The economy of vehicle；On the other hand power demand of the system to motor is effectively reduced, vehicle is improved on straight road surface
Acceleration and grade climbing performance.In a regenerative braking mode, the present invention effectively improves vehicle Brake energy recovery ratio.
The content of the invention
The present invention is the Yi Jike to overcome vehicle under electric-only mode the problem of climbing capacity finite sum low-speed performance difference
Take vehicle mixed there is provided a kind of planet series parallel type bimodulus the problem of high velocity produces parasitic power and vehicle overall efficiency is reduced
Close power car drive system.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization, with reference to accompanying drawing：Described one kind
Planet series parallel type bimodulus drive system of hybrid power vehicle, including engine 1, preceding planet row and rear planet row, the system are also wrapped
Include a motor 4, clutch 8, No. two clutches 10, freewheel clutch 11, No. two motors 12, brake 17 and holdback
21；The active part of a described clutch 8 is structure as a whole with front planetary line 7, the follower of a clutch 8
Divide the left end for being connected in rear planet row gear ring 16, rotated jointly with rear planet row gear ring 16；The active part of No. two clutches 10
It is structure as a whole with preceding planet toothrow circle 9, the secondary part of No. two clutches 10 is connected in the left end of rear planet row planet carrier 15,
Rotated jointly with rear planet row planet carrier 15；The active part of the outer race of freewheel clutch 11 and No. two clutches 10 is connected in
Together, inside race is fixedly connected with rear planet row sun gear 13；The outer race of holdback 21 is fixed on vehicle frame or monocoque body
On, inside race is fixedly connected with power input shaft 3；The active part of brake 17 is structure as a whole with rear planet row gear ring 16,
The secondary part of brake 17 is fixed on vehicle frame；Preceding planet row is sleeved on power input shaft 3 to rotate connection, preceding planet row
Planet carrier 7 is that spline pair is connected with power input shaft 3；Planet row is sleeved on the output shaft of No. two motors 12 as the company of rotation afterwards
Connect, rear planet row sun gear 13 is connected with the output shaft of No. two motors 12 for spline pair；The housing of a number motor 4 is fixed on vehicle frame
It is spline with preceding planet row sun gear 5 or on monocoque body, the rotor of a motor 4 is sleeved on the right-hand member of power input shaft 3
Pair connection；The housing of No. two motors 12 is fixed on vehicle frame or monocoque body, the output shaft of No. two motors 12 and rear planet row
Sun gear 13 connects for spline pair.
A kind of planet series parallel type bimodulus drive system of hybrid power vehicle provided according to the present invention, wherein, power input
Axle 3, preceding planet row, rear planet row, clutch 8, No. two clutches 10, freewheel clutch 11, brake 17, a holdbacks
21st, the rotation conllinear of a motor 4 and No. two motors 12.
A kind of planet series parallel type bimodulus drive system of hybrid power vehicle provided according to the present invention, wherein, a clutch
The active part of device 8 is structure as a whole with front planetary line 7, and secondary part is connected in the left end of rear planet row gear ring 16；
The active part of No. two clutches 10 is structure as a whole with preceding planet toothrow circle 9, and the secondary part of No. two clutches 10 is connected in
The left end of planet row planet carrier 15 afterwards；Freewheel clutch 11 is one-way clutch, the outer race of freewheel clutch 11 and No. two from
The active part of clutch 10 is fixed together, and inside race is fixedly connected with rear planet row sun gear 13；Holdback 21 for it is unidirectional from
Clutch, the outer race of holdback 21 is fixed on vehicle frame or monocoque body, and inside race is fixedly connected with power input shaft 3；It is logical
Cross the engagement or separation of a number clutch 8 of control and No. two clutches 10, and the automatic engagement or super by freewheel clutch 11
More, the conversion between multiple power shunt mode is realized；Different according to the mode of power dividing, power dividing mode division is defeated
Enter power dividing pattern and hybrid power shunt mode, wherein input power shunt mode also includes input power shunt mode I
With the II two kinds of subpatterns of input power shunt mode；By the automatic one-way function of holdback 21, prevent engine 1 from inverting.
A kind of planet series parallel type bimodulus drive system of hybrid power vehicle provided according to the present invention, wherein, brake 17
Include active part and secondary part, active part is structure as a whole with rear planet row gear ring 16, and secondary part is fixed on car
On frame or monocoque body；By the active part and secondary part of engagement brake 17, realize that electric-only mode and regeneration are made
Dynamic model formula.
A kind of planet series parallel type bimodulus drive system of hybrid power vehicle provided according to the present invention, wherein, a motor 4
For permagnetic synchronous motor, the housing of a motor 4 is fixed on automobile frame or monocoque body, and motor output shaft is hollow
Axle, by bearings in the optical axis portion of power input shaft 3, rotor is connected with preceding planet row sun gear 5 by spline；
A described motor 4 is used to decouple the rotating speed between engine 1 and wheel under different operating modes, makes the rotating speed of engine 1 only
The rotating speed of wheel is stood on, coordinates No. two motors 12 to the torque decoupler between engine 1 and wheel；No. two described motors 12 are
Permagnetic synchronous motor, the housing of No. two motors 12 is fixed on automobile frame or monocoque body, and motor output shaft passes through bearing
The groove part of rear planet row sun gear 13 is supported on, rotor is connected with rear planet row sun gear 13 by spline；It is described
No. two motors 12 have high torque (HT) output characteristics can increase or supplement come from vehicle drive axle the torque of engine 1 with
Meet road surface torque-demand.
A kind of planet series parallel type bimodulus drive system of hybrid power vehicle provided according to the present invention, wherein, preceding planet row
Including preceding planet row sun gear 5, preceding planet rows of planetary wheel 6, front planetary line 7, preceding planet toothrow circle 9；Described moves ahead
Star row sun gear 5, preceding planet rows of planetary wheel 6, preceding planet toothrow circle 9 are engaged successively, and front planetary line 7 is ranked with preceding planet
Star-wheel 6 connects to rotate；The active part of described front planetary line 7 and a clutch 8 is structure as a whole, preceding planet
The active part of toothrow circle 9 and No. two clutches 10 is structure as a whole.
A kind of planet series parallel type bimodulus drive system of hybrid power vehicle provided according to the present invention, wherein, rear planet row
Including rear planet row sun gear 13, rear planet row planetary gear 14, rear planet row planet carrier 15, rear planet row gear ring 16；Described
Planet row sun gear 13, rear planet row planetary gear 14, rear planet row gear ring 16 are engaged successively afterwards, and rear planet row planet carrier 15 is with after
Planet row planetary gear 14 connects to rotate；The inside race of described rear planet row sun gear 13 and freewheel clutch 11, which is fixed, to be connected
Connect, the secondary part of rear planet row planet carrier 15 and No. two clutches 10 is structure as a whole, rear planet row gear ring 16 and No. one from
The secondary part of clutch 8 and the active part of brake 17 are structure as a whole.
A kind of described planet series parallel type bimodulus drive system of hybrid power vehicle is divided into electric-only mode, input power
Shunt mode, hybrid power shunt mode and braking mode.Wherein, electric-only mode according to power source and input mode not
It is same to be divided into electric-only mode I, electric-only mode II, electric-only mode III, electric-only mode IV and electric-only mode V etc. five
Plant subpattern；Input power shunt mode is input power shunt mode I and input according to the pipeline different demarcation of power
Two kinds of subpatterns such as power dividing mode II；Identical, braking mode is divided into and electric-only mode one-to-one five
Plant regenerative braking subpattern.
The present invention compared with prior art, has the beneficial effect that：
1. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention passes through clutch and braking
The different engagement states of device, it is possible to achieve five kinds of pure electronic subpatterns, eliminate the idling oil consumption of engine, improve vehicle fuel oil warp
Ji property, reduces harmful gas emission, reduces the pollution to environment；The power grade and size of motor are effectively reduced simultaneously, are carried
Climbable gradient of the high vehicle under electric-only mode, improves the low-speed performance of vehicle.
2. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention is by engaging No. two clutches
Device and brake, it is possible to achieve input power shunt mode I, in low regime, vehicle overall efficiency is high, and ensures engine work
Make, in optimal fuel-economy area, to reduce complete-vehicle oil consumption.
3. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention is by engaging overdrive clutch
Device and brake, it is possible to achieve input power shunt mode II, front-seat power slow down by heel row and increase torsion effect, export bigger
There is provided more preferable vehicle dynamic property for driving torque.
4. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention is by engaging a clutch
Device and No. two clutches, it is possible to achieve hybrid power shunt mode, in high velocity, vehicle overall efficiency is high, and ensures engine
It is operated in optimal fuel-economy area.
5. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention passes through clutch and braking
The different engagement states of device, it is possible to achieve five kinds of regenerative braking subpatterns.According to vehicle different braking requirement and running status,
Effectively reclaim braking energy, it is ensured that severity of braking meets brake request, hence it is evident that improve vehicle fuel economy.
6. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention can reduce mechanical braking
The access times and intensity of device, extend its service life, reduce its maintenance, upkeep cost.
7. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention can be with selection of small power
Engine meet the normally travel requirement of vehicle, reduce harmful gas emission, reduce pollution to environment.
8. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention is exporting identical driving force
Under conditions of, less No. two motors of peak torque can be selected, dependence of the system to motor is reduced.
9. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention has a wide range of application, not only fit
For passenger car, commercial car is applied also for, higher city bus, bus and large-scale load especially are required to dynamic property
Lorry.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structure principle chart of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention；
Fig. 2 is a kind of rod model figure of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention；
Fig. 3 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode I
Under structure principle chart；
Fig. 4 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode I
Under rod model figure；
Fig. 5 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode II
Under structure principle chart；
Fig. 6 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode II
Under rod model figure；
Fig. 7 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode III
Under structure principle chart；
Fig. 8 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode III
Under rod model figure；
Fig. 9 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode IV
Under structure principle chart；
Figure 10 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode
Rod model figure under IV；
Figure 11 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode
Structure principle chart under V；
Figure 12 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in electric-only mode
Rod model figure under V；
Figure 13 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in input power point
Structure principle chart under stream mode I；
Figure 14 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in input power point
Rod model figure under stream mode I；
Figure 15 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in input power point
Structure principle chart under stream mode II；
Figure 16 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in input power point
Rod model figure under stream mode II；
Figure 17 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in hybrid power point
Structure principle chart under stream mode；
Figure 18 is a kind of planet series parallel type bimodulus drive system of hybrid power vehicle of the present invention in hybrid power point
Rod model figure under stream mode；
In figure：1. engine, 2. torsional vibration dampers, 3. power input shafts, No. 4. motors, planet row sun gear before 5.,
6. before planet rows of planetary wheel, 7. front planetary lines, No. 8. clutches, planet toothrow circle before 9., 10. No. two clutches,
11. freewheel clutch, 12. No. two motors, planet row sun gear after 13., planet row planetary gear after 14., planet rows of planetary after 15.
Frame, planet row gear ring, 17. brakes, 18. output gears, 19. power output shafts, 20. drive axles, 21. holdbacks after 16..
Embodiment
The present invention is explained in detail below in conjunction with the accompanying drawings：
It is described the invention provides a kind of planet series parallel type bimodulus drive system of hybrid power vehicle refering to Fig. 1, Fig. 2
Planet series parallel type bimodulus drive system of hybrid power vehicle mainly includes engine, preceding planet row, rear planet row, a clutch
Device, No. two clutches, freewheel clutch, holdback, brake, a motor and No. two motors.
Refering to Fig. 1, Fig. 2, described preceding planet row includes power input shaft 3, preceding planet row sun gear 5, preceding planet row
Planetary gear 6, front planetary line 7, preceding planet toothrow circle 9.
Refering to Fig. 1, Fig. 2, described power input shaft 3 is multidiameter structure, and left end is provided with external splines and come from for transmission
Engine 1 is by torsional vibration damper 2 and the power of holdback 21, and right-hand member is imparted power to forward by spline or other forms
Star ranks carrier 7；Described preceding planet row sun gear 5 is roller gear structure；Described preceding planet rows of planetary wheel 6 is Cylinder Gear
Wheel construction；Described front planetary line 7 is circular ring structure, is structure as a whole with the active part of a clutch 8；It is described
Preceding planet toothrow circle 9 be cylinder inner gear ' structure, be structure as a whole with the active part of No. two clutches 10, with overdrive clutch
The outer race or inside race of device 11 are fixedly connected.
Refering to Fig. 1, Fig. 2, the left end of power input shaft 3 is by bearings in the output end of torsional vibration damper 2, and right-hand member passes through
Bearings are in the groove of front planetary line 7, and centre is fixedly connected by key with the inside race of holdback 21；Preceding planet row
Sun gear 5, in the optical axis portion of power input shaft 3, is often engaged by bearings with preceding planet rows of planetary wheel 6；Preceding planet seniority among brothers and sisters
Star-wheel 6 is often engaged with preceding planet row sun gear 5 and preceding planet toothrow circle 9 respectively；Front planetary line 7 is by bearing pin with moving ahead
Star seniority among brothers and sisters star-wheel 6 is connected, and is revolved round the sun around preceding planet row sun gear 5.
Refering to Fig. 1, Fig. 2, described rear planet row include rear planet row sun gear 13, rear planet row planetary gear 14, after
Planet row planet carrier 15, rear planet row gear ring 16.
Refering to Fig. 1, Fig. 2, described rear planet row sun gear 13 is roller gear structure, the inner seat with freewheel clutch 11
Circle or outer race be fixedly connected, inside be provided with internal spline be used for transmit the power from No. two motors 12；Described rear planet row
Planetary gear 14 is roller gear structure；Described rear planet row planet carrier 15 is circular ring structure, driven with No. two clutches 10
Part is structure as a whole, and the right-hand member of rear planet row planet carrier 15 is cylindrical external gear structure；Described rear planet row gear ring 16 is
Cylinder inner gear ' structure, is structure as a whole with the secondary part of clutch 8 and the active part of brake 17.
Refering to Fig. 1, Fig. 2, rear planet row sun gear 13 by bearings No. two motors 12 output shaft optical axis portion,
Often engaged with rear planet row planetary gear 14；Afterwards planet row planetary gear 14 respectively with rear planet row sun gear 13 and rear planet row gear ring
16 often engagements；Planet row planet carrier 15 is connected by bearing pin with rear planet row planetary gear 14 afterwards, and around rear planet row sun gear 13
Revolution, the right-hand member external gear of rear planet row planet carrier 15 often engages with output gear 18, power is transmitted by output gear 18
To drive axle 20.
Refering to Fig. 1, Fig. 2, described clutch system includes clutch 8, No. two clutches 10, a freewheel clutches
11st, holdback 21.
Refering to Fig. 1, Fig. 2, a described clutch 8 is multi-plate friction clutch, its active part and preceding planet row
Planet carrier 7 is structure as a whole, and secondary part is fixed together with rear planet row gear ring 16, engaged by rubbing action No. one from
Clutch 8；No. two clutches 10 are multi-plate friction clutch, and its active part is structure as a whole with preceding planet toothrow circle 9, driven
Part is fixed together with rear planet row planet carrier 15, and No. two clutches 10 are engaged by rubbing action；Freewheel clutch 11
For single clutch, outer race and inside race shaft extension part respectively with the preceding right-hand member of planet toothrow circle 9 and rear planet row sun gear
The shaft extension part of 13 left ends is fixedly connected, by adjust the rotating speed size of preceding planet toothrow circle 9 and rear planet row sun gear 13 with
Rotation direction the engagement of freewheel clutch 11 and surmounts state to realize；Holdback 21 is one-way clutch, and outer race is fixed on
In outer case or vehicle frame, inside race is fixedly connected by key connected mode with power input shaft 3, by changing power input shaft 3
Rotation direction realize the check and released state of holdback 21.
Refering to Fig. 1, Fig. 2, described brake 17 is multiple-piece friction brake, its active part and rear planet row gear ring
16 are structure as a whole, and secondary part is fixed on automobile frame or monocoque body, by rubbing action come engagement brake 17.
Refering to Fig. 1, Fig. 9, Figure 11, described electric system includes motor 4, No. two motors 12.
Refering to Fig. 1, Fig. 9, Figure 11, a described motor 4 is permagnetic synchronous motor, and the housing of a motor 4 is fixed on
On automobile frame or monocoque body, motor output shaft is hollow shaft, by bearings in the optical axis portion of power input shaft 3
Point, rotor is connected with preceding planet row sun gear 5 by spline or other forms；A described motor 4 is used in difference
The rotating speed between engine 1 and wheel is decoupled under operating mode, makes the rotating speed of engine 1 independently of the rotating speed of wheel, coordinates No. two electricity
Machine 12 is to the torque decoupler between engine 1 and wheel, it is ensured that engine 1 works in efficient region, to improve vehicle combustion
Oily economy.No. two described motors 12 are permagnetic synchronous motor, and the housing of No. two motors 12 is fixed on automobile frame or carrying
On formula vehicle body, motor output shaft is by bearings in the groove part of rear planet row sun gear 13, rotor and rear planet
Sun gear 13 is arranged to connect by spline or other forms；There is No. two motors 12 high torque (HT) output characteristics can increase or supplement whole
Come from the torque of engine 1 on car drive axle to meet road surface torque-demand, i.e., the torque output of engine 1 is needed from road surface
Ask decoupling in torque to come out, relieve between engine 1 and the drive shaft of vehicle because road surface demand caused by mechanically connecting
Limitation of the moment of torsion to the torque of engine 1.
Operation principle is divided with mode of operation
Refering to Fig. 1, Fig. 2, a kind of described planet series parallel type bimodulus drive system of hybrid power vehicle has three power defeated
Enter, be engine 1, a motor 4 and No. two motors 12 respectively；The power of engine is inputted by power input shaft 3, an electricity
The power of machine 4 is inputted by preceding planet row sun gear 5, and the power of No. two motors 12 is inputted by rear planet row sun gear 13.
1st, electric-only mode
Refering to Fig. 1~Figure 12, under electric-only mode, engine 1 is in off-mode, and brake 17 is in joint shape
State a, clutch 8 is in released state, and a motor 4 and No. two motors 12 are in electronic or off-mode；According to No. two from
The different engagement states of clutch 10, freewheel clutch 11 and holdback 21, and electric system working condition, so as to realize five
Plant pure electronic subpattern.
Electric-only mode I
Refering to Fig. 3, Fig. 4, electric-only mode I can be referred to as No. two motors and pattern is operated alone, be mainly used in start vehicle and
Low cruise.Under electric-only mode I, only No. two motors 12 are in motoring condition, and power is defeated by rear planet row sun gear 13
Enter, planet row planet carrier 15 is finally exported by output gear 18 after；Because now a clutch 8 and No. two clutches 10 are equal
In released state, freewheel clutch 11, which is in, surmounts state, prevents power output to preceding planet row, it is to avoid a motor 4 is produced
Raw larger weak magnetic loss.
Electric-only mode II
Refering to Fig. 5, Fig. 6, electric-only mode II can be referred to as a motor bottom gear and pattern is operated alone, and be mainly used in pure electricity
Dynamic starting and climbing operating mode.Under electric-only mode II, a motor 4 is in motoring condition, a clutch 8 and No. two clutches
Device 10 is in released state, and freewheel clutch 11 is in engagement state, and holdback 21 is in non-return state.Power is by preceding planet
Row's sun gear 5 is inputted, and is increased by the deceleration twice of preceding planet row planet row with after after torsion effect, finally by rear planet row planet carrier
15 output power.
Electric-only mode III
Refering to Fig. 7, Fig. 8, electric-only mode III can be referred to as a motor top gear and pattern is operated alone, and be mainly used in pure electricity
Dynamic high-performance cruise operating mode.Under electric-only mode III, a motor 4 is in motoring condition, and a clutch 8 is in separation shape
State, No. two clutches 10 are in engagement state, and freewheel clutch 11, which is in, surmounts state, and holdback 21 is in non-return state.It is dynamic
Power is inputted by preceding planet row sun gear 5, directly defeated by rear planet row planet carrier 15 after the deceleration of preceding planet row increases torsion effect
Go out power.
Electric-only mode IV
Refering to Fig. 9, Figure 10, electric-only mode IV can be referred to as bi-motor bottom gear joint drive pattern, be mainly used in big torsion
The pure electronic starting operating mode of square and big climbable gradient operating mode.Under electric-only mode IV, a motor 4 and No. two motors 12 are in electricity
Dynamic state, a clutch 8 and No. two clutches 10 are in released state, and freewheel clutch 11 is in engagement state, check
Device 21 is in non-return state.Front-seat power is provided by a motor 4, is inputted by preceding planet row sun gear 5, by preceding planet row
Slow down and increase after torsion effect, be output to rear planet row sun gear 13；Preceding planet row output power and No. two output power of motor 12 exist
After superposition in parallel at planet row sun gear 13 afterwards, then the deceleration increasing torsion effect through planet row later, directly by rear planet rows of planetary
Frame 15 exports power.
Electric-only mode V
Refering to Figure 11, Figure 12, electric-only mode V can be referred to as bi-motor top gear joint drive pattern, be mainly used in pure electricity
Dynamic high speed cruising condition.Under electric-only mode V, a motor 4 and No. two motors 12 are in motoring condition, No. one from
Clutch 8 is in released state, and No. two clutches 10 are in engagement state, and freewheel clutch 11, which is in, surmounts state, holdback 21
In non-return state.Front-seat power is provided by a motor 4, is inputted by preceding planet row sun gear 5, by the deceleration of preceding planet row
Increase after torsion effect, be output to rear planet row planet carrier 15；No. two output power of motor 12 are inputted by rear planet row sun gear 13, are passed through
Later the deceleration of planet row increases after torsion effect, is output to rear planet row planet carrier 15, preceding planet row power and rear planet row power
It is in parallel at rear planet row planet carrier 15 to be superimposed and export power.
2nd, input power shunt mode
Refering to Fig. 1, Fig. 2, Figure 13, Figure 15, under input power shunt mode, engine 1 is in running order, an electricity
Machine 4 is in generating state, and No. two motors 12 are in motoring condition；A number clutch 8 is in released state, and brake 17 is in and connect
Conjunction state；Input power shunting subpattern can be divided into input according to the engagement situation of No. two clutches 10 and freewheel clutch 11
Power dividing modes I and input power shunt mode II.
Input power shunt mode I
Refering to Fig. 1, Fig. 2, Figure 13, Figure 14, input power shunt mode I can be referred to as conventional low-speed mode, be commonly used in dynamic
The less demanding conventional speed operation of power.Under input power shunt mode I, No. two clutches 10 and brake 17 are in and connect
Conjunction state a, clutch 8 is in released state, and freewheel clutch 11, which is in, surmounts state.The output power of engine 1 is divided into
Two parts a, part passes through preceding planet toothrow circle 9, is output to rear planet row planet carrier 15；Another part passes through preceding planet row too
Sun wheel 5, is output to a motor 4.A number motor 4 is in generating state, and the power that engine 1 is transmitted is converted to electric energy, electricity
No. two motors 12 and battery can be passed to by power path.No. two motors 12 are in motoring condition, and a motor 4 and battery are passed
The power passed is converted to mechanical energy, passes through rear planet row sun gear 13, final output to rear planet row planet carrier 15；Engine 1
The mechanical energy exported with No. two motors 12 is combined at rear planet row planet carrier 15 by parallel way, eventually passes through output gear
18 are output to drive axle 20.
Input power shunt mode II
Refering to Fig. 1, Fig. 2, Figure 15, Figure 16, input power shunt mode II, which can be referred to as to increase, turns round low-speed mode, is commonly used in dynamic
Power requires high, the especially larger climbing of the gradient or anxious accelerating mode.Under input power shunt mode II, freewheel clutch
11 and brake 17 be in engagement state, a clutch 8 and No. two clutches 10 are in released state.Engine 1 it is defeated
Go out power and be divided into two parts, a part passes through preceding planet toothrow circle 9, is output to rear planet row sun gear 11；Another part passes through
Preceding planet row sun gear 5, is output to a motor 4.A number motor 4 is in generating state, and the power that engine 1 is transmitted is changed
For electric energy, electric energy passes to No. two motors 12 and battery by power path.No. two motors 12 are in motoring condition, by a motor
4 and battery transmission power be converted to mechanical energy, be output to rear planet row sun gear 13；Engine 1 and No. two motors 12 are exported
Mechanical energy combined at rear planet row sun gear 13 by parallel way, through later planet row deceleration increase torsion effect, by rear
Planet row planet carrier 15 is exported, and is eventually passed through output gear 18 and is output to drive axle 20.
3rd, hybrid power shunt mode
Refering to Fig. 1, Fig. 2, Figure 17, Figure 18, hybrid power shunt mode can be referred to as fast mode, under high-speed working condition, connect
Unification clutch 8 and No. two clutches 10, freewheel clutch 11, which is in, surmounts state, and brake 17 is in released state, from
And hybrid power shunt mode is realized, system can obtain higher vehicle overall efficiency.Under hybrid power shunt mode, hair
Motivation is in running order, and a motor 4, which is in, to generate electricity or motoring condition, and No. two motors 12 are in electronic or generating state.Hair
The power output of motivation 1 and the power output of a motor 4 discharge into row coupling in preceding planet, pass through a He of clutch 8
No. two clutches 10 pass to the rear planet row gear ring 16 and rear planet row planet carrier 15 of rear planet row；The output of No. two motors 12
The power that power is transmitted with preceding planet row carries out coupling in rear planet row, eventually through the right-hand member of rear planet row planet carrier 15
The engagement of outer gear portion and output gear 18, is output to drive axle 20.Under hybrid power shunt mode, a motor
4 and the power outputs of No. two motors 12 can be divided into positive and negative power, power output is just when motor is in motoring condition
Power, power output is negative power when motor is in generating state, and a motor 4 and No. two motors 12 are by electric machine controller control
System.
4th, braking mode
Refering to Fig. 1~Figure 12, in a regenerative braking mode, engine 1 is in off-mode, and brake 17 is in joint shape
State a, clutch 8 is in released state, and a motor 4 and No. two motors 12 are in and generated electricity or off-mode；According to No. two from
The different engagement states of clutch 10, freewheel clutch 11 and holdback 21, and electric system working condition, so as to realize five
Plant regenerative braking subpattern.
Refering to Fig. 1~Figure 12, under regenerative braking operating mode, entire car controller is to severity of braking, state-of-charge, speed information
Calculated, judged and arbitrated etc. factor, so as to determine which kind of regenerative braking subpattern vehicle is in.If automobile is in non-tight
The situation of anxious braking, the demand torque of speed higher than a certain limit value and now are less than the maximum that electric system can be provided
During braking moment, brake force is all provided by electric system, mechanical energy is changed into electric energy, and be stored in battery；Such as
Fruit automobile is in the demand torque of the situation of non-emergent braking, speed higher than a certain limit value and now and is more than electric system
During the maximum braking torque that can be provided, the part in brake force is provided by electric system, and mechanical energy is changed into electric energy, and
It is stored in battery, another part in brake force is provided by traditional mechanical braking.
Claims (7)
1. a kind of planet series parallel type bimodulus drive system of hybrid power vehicle, including engine (1), preceding planet row and rear planet
Row, it is characterised in that described planet series parallel type bimodulus drive system of hybrid power vehicle also include motor (4), No. one
Clutch (8), No. two clutches (10), freewheel clutch (11), No. two motors (12), brake (17) and holdback (21)；
The active part of a described clutch (8) is structure as a whole with front planetary line (7), a clutch (8)
Secondary part be connected in the left end of rear planet row gear ring (16), rotated jointly with rear planet row gear ring (16)；No. two clutches
(10) active part is structure as a whole with preceding planet toothrow circle (9), row after the secondary part of No. two clutches (10) is connected in
The left end of star seniority among brothers and sisters carrier (15), rotates jointly with rear planet row planet carrier (15)；The outer race and two of freewheel clutch (11)
The active part of number clutch (10) is fixed together, and inside race is fixedly connected with rear planet row sun gear (13)；Holdback
(21) outer race is fixed on vehicle frame or monocoque body, and inside race is fixedly connected with power input shaft (3)；Brake (17)
Active part be structure as a whole with rear planet row gear ring (16), the secondary part of brake (17) is fixed on vehicle frame or bearing-type
On vehicle body；Preceding planet row is sleeved on power input shaft (3) to rotate connection, front planetary line (7) and power input shaft
(3) it is to be fixedly connected；Planet row is sleeved on the output shaft of No. two motors (12) to rotate connection, rear planet row sun gear afterwards
(13) it is to be fixedly connected with the output shaft of No. two motors (12)；The housing of a number motor (4) is fixed on vehicle frame or monocoque body
On, the rotor of a motor (4) is sleeved on the right-hand member of power input shaft (3), is to be fixedly connected with preceding planet row sun gear (5)；
The housing of No. two motors (12) is fixed on vehicle frame or monocoque body, the output shaft of No. two motors (12) and the rear planet row sun
Wheel (13) is to be fixedly connected.
2. according to a kind of planet series parallel type bimodulus drive system of hybrid power vehicle described in claim 1, it is characterised in that institute
Power input shaft (3), preceding planet row, rear planet row, clutch (8), No. two clutches (10), the freewheel clutches stated
(11), brake (17), holdback (21), the rotation conllinear of a motor (4) and No. two motors (12).
3. according to a kind of planet series parallel type bimodulus drive system of hybrid power vehicle described in claim 1, it is characterised in that institute
The active part for the clutch (8) stated is structure as a whole with front planetary line (7), and secondary part is connected in rear planet
The left end of toothrow circle (16)；The active part of No. two clutches (10) is structure as a whole with preceding planet toothrow circle (9), No. two clutches
The secondary part of device (10) is connected in the left end of rear planet row planet carrier (15)；Freewheel clutch (11) is one-way clutch, is surpassed
The more outer race of clutch (11) and the active part of No. two clutches (10) is fixed together, inside race and the rear planet row sun
Wheel (13) is fixedly connected；Holdback (21) is one-way clutch, and the outer race of holdback (21) is fixed on vehicle frame or bearing-type car
With, inside race is fixedly connected with power input shaft (3)；By controlling connecing for a clutch (8) and No. two clutch (10)
Close or separate, and automatic engagement by freewheel clutch (11) or surmount, realize the conversion between multiple power shunt mode；
Different according to the mode of power dividing, power dividing mode division is input power shunt mode and hybrid power shunt mode,
Wherein input power shunt mode also includes input power shunt mode I and the II two kinds of subpatterns of input power shunt mode；It is logical
The automatic one-way function of holdback (21) is crossed, prevents engine (1) from inverting.
4. according to a kind of planet series parallel type bimodulus drive system of hybrid power vehicle described in claim 1, it is characterised in that institute
The brake (17) stated includes active part and secondary part, and active part is structure as a whole with rear planet row gear ring (16),
Secondary part is fixed on vehicle frame or monocoque body；By the active part and secondary part of engagement brake (17), realize
Electric-only mode and braking mode.
5. according to a kind of planet series parallel type bimodulus drive system of hybrid power vehicle described in claim 1, it is characterised in that institute
The motor (4) stated is permagnetic synchronous motor, and the housing of a motor (4) is fixed on automobile frame or monocoque body,
Motor output shaft is hollow shaft, and by bearings in the optical axis portion of power input shaft (3), rotor and preceding planet row are too
Sun wheel (5) is fixedly connected；A described motor (4) is used to decouple engine (1) turning between wheel under different operating modes
Speed, makes the rotating speed of engine (1) independently of the rotating speed of wheel, coordinates No. two motors (12) to engine (1) between wheel
Torque decoupler；No. two described motors (12) are permagnetic synchronous motor, the housings of No. two motors (12) be fixed on automobile frame or
On monocoque body, motor output shaft by bearings rear planet row sun gear (13) groove part, rotor with
Planet row sun gear (13) is fixedly connected afterwards；There is No. two described motors (12) high torque (HT) output characteristics can increase or supplement
Come from the torque of engine (1) on vehicle drive axle to meet road surface torque-demand.
6. according to a kind of planet series parallel type bimodulus drive system of hybrid power vehicle described in claim 1, it is characterised in that institute
The preceding planet row stated includes preceding planet row sun gear (5), preceding planet rows of planetary wheel (6), front planetary line (7), preceding planet
Toothrow circle (9)；Described preceding planet row sun gear (5), preceding planet rows of planetary wheel (6), preceding planet toothrow circle (9) are engaged successively,
Front planetary line (7) is connected with preceding planet rows of planetary wheel (6) to rotate；Described front planetary line (7) with No. one
The active part of clutch (8) is structure as a whole, and the active part of preceding planet toothrow circle (9) and No. two clutches (10) is integrated
Structure.
7. according to a kind of planet series parallel type bimodulus drive system of hybrid power vehicle described in claim 1, it is characterised in that institute
The rear planet row stated includes rear planet row sun gear (13), rear planet row planetary gear (14), rear planet row planet carrier (15), rear row
Star toothrow circle (16)；Described rear planet row sun gear (13), rear planet row planetary gear (14), rear planet row gear ring (16) are successively
Engagement, rear planet row planet carrier (15) is connected with rear planet row planetary gear (14) to rotate；Described rear planet row sun gear
(13) inside race with freewheel clutch (11) is fixedly connected, and rear planet row planet carrier (15) is driven with No. two clutches (10)
Part is is fixed together, rear planet row gear ring (16) and the active of the secondary part and brake (17) of a clutch (8)
Part is structure as a whole.
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| CN107599821A (en) * | 2017-10-30 | 2018-01-19 | 吉林大学 | The speed of bimodulus six compares drive system of hybrid power vehicle |
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| CN108394266A (en) * | 2018-02-09 | 2018-08-14 | 重庆大学 | Double planet wheel rows of mixing multimodal fusion power vehicle power-driven system |
| CN108394265A (en) * | 2018-02-09 | 2018-08-14 | 重庆大学 | Double planet wheel rows of mixing multimodal fusion power vehicle power drive system |
| CN109383266A (en) * | 2017-08-07 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of planet row hybrid electric drive system and the vehicle using the system |
| CN111645506A (en) * | 2019-03-04 | 2020-09-11 | 郑州宇通客车股份有限公司 | Hybrid power system and vehicle |
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