CN109624686A - A kind of hybrid power system and vehicle based on double clutch speed-changings - Google Patents
A kind of hybrid power system and vehicle based on double clutch speed-changings Download PDFInfo
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- CN109624686A CN109624686A CN201910087177.2A CN201910087177A CN109624686A CN 109624686 A CN109624686 A CN 109624686A CN 201910087177 A CN201910087177 A CN 201910087177A CN 109624686 A CN109624686 A CN 109624686A
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- gear
- clutch
- gear group
- input shaft
- engine
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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
- B60K6/38—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 driveline clutches
-
- 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
- B60K6/26—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 motors or the generators
-
- 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
-
- 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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of hybrid power system and vehicle based on double clutch speed-changings.System includes engine, motor, first clutch, second clutch and speed changer, the input terminal of first clutch and the output axis connection of engine, the input terminal of second clutch and the output axis connection of engine；Speed changer includes the first gear group input shaft and the second gear group input shaft, and the output end of the first gear group input shaft and first clutch connects, and the output end of the second gear group input shaft and second clutch connects, and motor is connect with the second gear group input shaft；The first gear group in speed changer is odd number gear, and the second gear group in speed changer is even number gear and reverse gear shift.Motor is connect with the second gear group input shaft, motor is highly integrated, reduces the complexity of hybrid power system, saves cost.The operating mode that system can be realized is more, switches flexibly between operating mode, ensure that the adaptation of the operating condition to various differentiation.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of hybrid power system and vehicle based on double clutch speed-changings
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Background technique
With the fast development of science and technology, automobile has become walking-replacing tool indispensable in people's life.It is adjoint
The needs of development in science and technology and people, the science and technology on automobile have also obtained tremendous development, hybrid vehicle (HEV, Hybrid
Electrical Vehicle) refer to while equipping two kinds of power resources i.e. heat dynamic resource (by traditional gasoline engine or diesel oil
Machine generates) automobile with electrodynamic source (being generated by battery and motor).By using motor on hybrid vehicle, so that dynamic
Force system can require flexible modulation according to the actual operating mode of vehicle, and engine is maintained at the optimal region of comprehensive performance
Interior work, to reduce oil consumption and discharge.
Engine and motor are distributed in clutch two sides in current hybrid power system, and the program is in certain operating modes
Lower there are certain system limitations, such as when being in low speed power generation mode, on the one hand when speed is lower, the revolving speed of motor
Also very low, so that the generated output of motor and generating efficiency are all lower, it is unable to satisfy vehicle high pressure attachment power consumption and to power electric
The demand of pond charging, and economy is also poor；On the other hand clutch is in sliding wear state under the low speed, due to driving and sending out
Electricity shares a clutch, and motor is directly connected to wheel end, and clutch moment of torque is relative to torque when only doing driving vehicular applications
It is big, the sliding wear of clutch is exacerbated, clutch overheat is easily caused, long-time large torque sliding wear can damage clutch at high temperature
Device reduces its service life.
Summary of the invention
The technical problem to be solved by the present invention is in the prior art to differentiation operating condition lack it is adaptable it is a variety of not
Same operating mode.In order to solve the above technical problems, the invention discloses a kind of hybrid power system based on double clutch speed-changings and
Vehicle.The present invention is specifically to be realized with following technical solution:
The invention discloses a kind of hybrid power system based on double clutch speed-changings, the system comprises engine, motor,
First clutch, second clutch and speed changer；
The output axis connection of the input terminal of the first clutch and the engine, the input terminal of the second clutch
With the output axis connection of the engine；
The speed changer includes the first gear group input shaft and the second gear group input shaft, the first gear group input shaft
It is connect with the output end of the first clutch, the output end of the second gear group input shaft and the second clutch connects
It connects, the motor is connect with the second gear group input shaft；
Wherein, the first gear group in the speed changer is odd number gear, and the second gear group in the speed changer is even number
Gear and reverse gear shift.
The invention also discloses a kind of vehicles, including such as above-mentioned hybrid power system based on double clutch speed-changings.
By adopting the above technical scheme, of the present invention to have the following beneficial effects:
1) the present invention is based on motor is connect with the second gear group input shaft in the hybrid power system of double clutch speed-changings, electricity
Machine is highly integrated, reduces the complexity of hybrid power system, saves cost.Under the control of entire car controller, according to pre-
If control strategy control the system and be in different operating modes, the mode that engine and/or motor participate in driving is richer
It is rich.Operating mode can cover full speed, and the energy management to realize highly efficient provides solid foundation.
2) motor is arranged on the circumferential position of the second gear group input shaft in the present invention, ensure that dynamic
Power assembly axial dimension does not increase.
It 3) include: pure electric drive mode, pure hair the present invention is based on the operating mode of the hybrid power system of double clutch speed-changings
Motivation drive mode, parallel drive mode, power generation mode, energy recuperation mode and fault mode etc..Operating mode combination
Multiplicity, flexibly, different operating modes can adapt to the operating condition of various differentiation for switching between operating mode, be various complicated
Operating condition provides more efficiently counte-rplan.
4) when being in low speed power generation mode the present invention is based on the hybrid power system of double clutch speed-changings, odd number gear corresponding the
One clutch is closed for driving, and even number keeps off second clutch closure corresponding with reverse gear shift for generating electricity.The power generation function of motor
Rate and generating efficiency are all promoted, and can be avoided the sliding problems of excessive heat of rubbing of low-speed clutch large torque.Low speed power generation mode
Free switching can be carried out with driving power generation operation mode, further improve the flexibility of system control.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of schematic diagram of the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings；
Fig. 2 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings under pure electric drive mode
A kind of schematic diagram；
Fig. 3 is that the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings opens under pure electric drive mode
A kind of schematic diagram of dynamic engine；
Fig. 4 is that the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings opens under pure electric drive mode
Another schematic diagram of dynamic engine；
Fig. 5 is that the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings starts hair under parked state
A kind of schematic diagram of motivation；
Fig. 6 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings under idling power generation mode
A kind of schematic diagram；
Fig. 7 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings in pure engine drive mode
Under a kind of schematic diagram；
Fig. 8 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings in pure engine drive mode
Under another schematic diagram；
Fig. 9 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings under parallel drive mode
A kind of schematic diagram；
Figure 10 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings under parallel drive mode
Another schematic diagram；
Figure 11 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings under power generation mode of driving a vehicle
A kind of schematic diagram；
Figure 12 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings under power generation mode of driving a vehicle
Another schematic diagram；
Figure 13 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings under energy recuperation mode
A kind of schematic diagram；
Figure 14 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings under low speed power generation mode
A kind of schematic diagram；
Figure 15 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings in accelerator releasing power generation mode
Under a kind of schematic diagram；
Figure 16 is the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings in accelerator releasing power generation mode
Under a kind of schematic diagram；
Figure 17 is one of the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings in a failure mode
Kind schematic diagram；
Figure 18 is the structural schematic diagram of the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings；
Figure 19 is that the operating mode switching of the hybrid power system provided in an embodiment of the present invention based on double clutch speed-changings is shown
It is intended to.
It remarks additionally below to attached drawing:
Bridge before 100-；200- rear axle；300- engine；400- motor；510- first clutch；520- second clutch；
610- the first gear group component；611- the first gear group input shaft；620- the second gear group component；The input of the second gear group of 621-
Axis.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicit includes one or more of the features.Moreover, term " first ", " second " etc. are to be used to distinguish similar objects,
Without being used to describe a particular order or precedence order.It should be understood that the data used in this way in the appropriate case can be mutual
It changes, so that the embodiment of the present invention described herein can be real with the sequence other than those of illustrating or describing herein
It applies.
As an embodiment of the present invention, as shown in Fig. 1-18, a kind of hybrid power system based on double clutch speed-changings,
The system comprises entire car controllers (VCU, Vehicle Control Unit), engine 300, engine controller, motor
400, electric machine controller, first clutch 510, first clutch controller, second clutch 520, second clutch controller,
Speed changer and gearbox controller；
The entire car controller respectively with the engine controller, the electric machine controller, the first clutch control
Device processed, the second clutch controller are connected with the gearbox controller, the engine controller and the engine
Connection, the electric machine controller are connect with the motor, and the first clutch controller is connect with the first clutch, institute
It states second clutch controller to connect with the second clutch, the gearbox controller is connect with the speed changer；
The output axis connection of the input terminal of the first clutch and the engine, the input terminal of the second clutch
With the output axis connection of the engine；
The speed changer includes the first gear group input shaft 611 and the second gear group input shaft 621, first gear group
Input shaft is connect with the output end of the first clutch, the output of the second gear group input shaft and the second clutch
End connection, the motor are connect with the second gear group input shaft；
Wherein, the first gear group in the speed changer is odd number gear, and the second gear group in the speed changer is even number
Gear and reverse gear shift.Because reverse gear shift is set in the second gear group, the motor is connect with the second gear group input shaft, together
When the speed ratio that is connected to motor of the second gear group it is also more particularly suitable.If certain reverse gear shift and odd number gear are set in the first gear group
When, the motor is connect with the first gear group input shaft.
Preceding bridge 100, engine 300, clutch, gearbox and rear axle 200 are successively arranged in the car, are become based on double clutches
Motor is connect with the second gear group input shaft in the hybrid power system of speed, motor is highly integrated, reduces hybrid power system
The complexity of system, saves cost.
In a kind of possible embodiment, the motor includes output gear, and the second gear group input shaft includes defeated
Enter gear, the output gear is engaged with the input gear, the speed ratio (transmission of the output gear and the input gear
Than) it is 1.5 to 1:1.6, it is specifically as follows 1.593.The path that the second gear group input shaft is passed to motor is played in this way
Upper amplification torque, the effect for reducing revolving speed.
In a kind of possible embodiment, as shown in Fig. 1-17, the first gear group input shaft and second gear
Group input shaft is parallel, the first gear group input shaft and the second gear group input shaft along vehicle straight-line travelling direction
Setting, the motor are arranged on the axial position of the second gear group input shaft.Motor and gearbox can be put down simultaneously
Row mounting arrangements are further ensured that power assembly axial dimension does not increase.
In a kind of possible embodiment, electric motor starting generator (ISG, the Integrated Starter
Generator)。
In a kind of possible embodiment, the second gear group input shaft is coaxially set in the first gear group input
On axis, as shown in figure 18；Alternatively, the first gear group input shaft is coaxially set on the second gear group input shaft.Such as
Shown in Figure 18, the side (such as left side in figure) of the first gear group input shaft is arranged in first clutch, and second clutch is set
Set the same side that the output end relative to first clutch in the second gear group input shaft is connect with the first gear group input shaft
(such as left side in figure).
In a kind of possible embodiment, the first clutch is wet clutch, and the second clutch is wet type
Clutch.Wet clutch during clutch separation and all closures, is also wrapped using the hydraulic of clutch closure
Include the transfer device controlled under the situation of relative rotation driving force.Wet clutch keeps power transmitting smooth soft,
Have the characteristics that long service life and the frequency that breaks down is few.
In a kind of possible embodiment, odd number gear includes 1,3,5,7 four gear, and even number gear includes 2,4,6 three gears
Position, gearbox are 7 speed, can also be 6 speed, 8 speed etc. certainly.
In a kind of possible embodiment, (wherein, when being illustrated as two separated filaments of clutch as shown in Fig. 1-17
Clutch separation is represented, closure or sliding wear are represented when being rectangle frame；Two thick lines in gear group component represent when separating gear
Position is being kept off, and two thick lines represent gear off-gear when being combined into one), clutch is during low vehicle speeds or engine gear
In sliding (Slipping) state of rubbing, the low speed of vehicle driving be can be less than or equal to 10 kilometers per hour here.The vehicle
Controller controls the system according to preset control strategy and is in different operating modes, and the operating mode includes: pure electricity
Drive mode, pure engine drive mode, parallel drive mode, power generation mode, energy recuperation mode and fault mode etc., they
Switching schematic diagram can be found in Figure 19 (wherein, when conventional idling Normal Idle, the race of engine, first clutch separation,
Second clutch separation, the first gear group component 610 and/or the second gear group component 620 can be put into gear in advance).Operating mode group
Conjunction mode is various, and flexibly, different operating modes can adapt to the operating condition of various differentiation for switching between operating mode, is various
Complicated operating condition provides more efficiently counte-rplan.
When being in initial mode (All Disengaged), as shown in Figure 1, engine is inactive, motor has neither part nor lot in work
Make, first clutch separation, second clutch separation, the gear off-gear that the state of the first gear group component is kept off for odd number, second
The state of gear group component is that the gear off-gear of even number gear, engine and motor are exported without torque.In the inactive situation of engine
Under, the second gear group component can be carried out and put into gear in advance；At engine start-up conditions, the first gear group component and the second gear group group
Part can be put into gear in advance simultaneously, further speed up the starting dynamic response time.
When being in pure electric drive mode (Electric Drive), as shown in Fig. 2, engine shutdown has neither part nor lot in work,
Motor participates in work, and first clutch separation, second clutch separation, the state of the first gear group component is the gear of odd number gear
Off-gear, the state of the second gear group component are that the gear of even number gear is being kept off, and vehicle is kept off with even number or reverse gear shift travels, and motor rotates forward
There is positive-torque output (outgoing route is as shown in the dotted line with the arrow in Fig. 2: motor-" the second gear group component-" rear axle).This
When, drive force vehicle is provided by motor for vehicle.
When starting engine (Slip Start+Electric Drive) under the pure electric drive mode, motor for
Output par, c torque is used to start engine while vehicle provides driving force, and by clutch closure (cunning is rubbed), output torque is extremely
Engine can steadily pull engine to starting under big rotational speed difference.As shown in figure 3, supporting with the starting of the second gear group component
Engine, engine shutdown have neither part nor lot in work, and motor participates in work, first clutch separation, second clutch sliding wear, first gear
The state of hyte component is the gear off-gear of odd number gear, and the state of the second gear group component is that the gear of even number gear is being kept off, vehicle
With even number gear or reverse gear shift traveling, motor rotating forward has positive-torque output, and (outgoing route drives as shown in the dotted line with the arrow in Fig. 3
Kinetic moment: motor-" the second gear group component-" rear axle；Starting engine torque: motor-" second clutch-" start
Machine).As shown in figure 4, supporting to start engine with the first gear group component, engine shutdown has neither part nor lot in work, and motor participates in work
To make, first clutch sliding wear, second clutch separation, the state of the first gear group component is that the gear of odd number gear is being kept off, second
The state of gear group component is that the gear of even number gear is being kept off, and vehicle is kept off with odd number and being travelled, and motor rotating forward has positive-torque output (output
Path is as shown in the dotted line with the arrow in Fig. 4, driving moment: motor-" the second gear group component-" rear axle；Then, starting hair
Motivation torque: (motor-" the second gear group component-") rear axle-" the first gear group component-" first clutch-" start
Machine).
When starting engine (EM Start) under parked state, as shown in figure 5, engine shutdown has neither part nor lot in work
Make, motor participates in work, and first clutch separation, second clutch closure, the state of the first gear group component is odd number gear
Gear off-gear, the state of the second gear group component are the gear off-gear of even number gear, and motor rotating forward has positive-torque to export (outgoing route
As shown in the dotted line with the arrow in Fig. 5: motor-" second clutch-" engine).Motor direct output torque to engine,
Engine is pulled to starting, entire start-up course is completed with wheel end in gearbox front end without being of coupled connections, so that start-up course is more
It is quick and steady.
When being in (PN gear) idling power generation mode (Idle Charging, Idle Charge), as shown in fig. 6, starting
Machine participates in work, first clutch separation, and second clutch is closed, and the first gear group component is put into gear (for example hanging 1 gear) in advance,
The state of second gear group component is the gear off-gear of even number gear, and engine output torque to motor is (in outgoing route such as Fig. 6
Shown in dotted line with the arrow: engine-" second clutch-" motor), motor output negative torque generates electricity.It at this time can basis
SOC (State ofCharge, state-of-charge) and the case where high pressure accessory power, flexible modulation idling generated output and power generation speed
Rate.
When being in pure engine drive mode (ICE Drive), gearbox carries out engine driving vehicle according to shift line
The lifting of the gear of traveling, motor is in addition to speed changer is other than the shift of the second gear group is adjusted the speed, without power-assisted or power generation,
Motor is driven by the second gear group input shaft and dallies.As shown in fig. 7, vehicle is kept off with even number or reverse gear shift travels, engine is participated in
Work, first clutch separation, second clutch closure or sliding wear, the state of the first gear group component are that the gear of odd number gear exists
Gear, the state of the second gear group component are that the gear of even number gear is being kept off, and provide drive force vehicle by engine for vehicle, send out
The outgoing route of motivation output torque is as shown in the dotted line with the arrow in Fig. 7: engine-" second clutch-" the second gear
Group component-" rear axle.When the driving status of vehicle switches to second gear from the current shift in second gear group
When target gear in group, under the control of the entire car controller, by the current rotating speed of the motor adjust to the mesh
Mark the corresponding rotating speed of target of gear.It is travelled as shown in figure 8, vehicle is kept off with odd number, engine participates in work, first clutch point
From second clutch separation, the state of the first gear group component is that the gear of odd number gear is being kept off, the state of the second gear group component
Gear for even number gear is being kept off, and provides drive force vehicle, the outgoing route of engine output torque by engine for vehicle
As shown in the dotted line with the arrow in Fig. 8: engine-" first clutch-" the first gear group component-" rear axle.
When in parallel drive mode (Boost Drive, oil electricity combination drive mode), engine is simultaneously with motor
Vehicle provides driving force, and motor can be inputted by the second gear group input shaft output torque, engine by the first gear group
Axis or the second gear group input shaft output torque, such power output are more powerful.Motor dynamic response in starting is rapid, more
Reissue the slow problem of motivation torque responsive；And engine is exported in the large torque of high speed, and it is weary in back segment acceleration to compensate for motor
The problem of power, the two are worked in coordination, and export endlessly power for vehicle.As shown in figure 9, engine participates in work, motor
Work, first clutch closure or sliding wear are participated in, second clutch separation, the state of the first gear group component is the gear of odd number gear
Position is being kept off, and the state of the second gear group component is that the gear of even number gear is being kept off, and motor is turned round by the output of the second gear group input shaft
Square (outgoing route is as shown in the dotted line with the arrow in Fig. 9: motor-" the second gear group component-" rear axle), engine pass through the
One gear group input shaft output torque (outgoing route is as shown in the dotted line with the arrow in Fig. 9: engine-" first clutch-"
First gear group component-" rear axle).As shown in Figure 10, engine participates in work, and motor participates in work, and first clutch separates,
Second clutch closure or sliding wear, the state of the first gear group component are the gear off-gear of odd number gear, the second gear group component
State is that the gear of even number gear is being kept off, and motor passes through the second gear group input shaft output torque (band in outgoing route such as Figure 10
Shown in arrow dotted line: motor-" the second gear group component-" rear axle), engine passes through the second gear group input shaft output torque
(outgoing route is as shown in the dotted line with the arrow in Figure 10: engine-" second clutch-" the second gear group component-" after
Bridge).
When in driving power generation mode (ICE Drive+Charging), engine provides driving force for vehicle, simultaneously
Output par, c surplus torque to motor generates electricity, and electric power generation power is adjusted according to the best operating point of engine.And
And it can be according to dynamic property demand, energy management demand, flexibly in ICE Drive (pure engine drive mode) and Boost
It is switched between Drive (parallel drive mode).As shown in figure 11, engine participates in work, and first clutch separates, and second
The state of clutch closure or sliding wear, the first gear group component can be the gear off-gear of odd number gear, be also possible to the first gear
Group component is put into gear in advance, and (gear of putting into gear in advance is prejudged according to the travel speed of vehicle to be obtained, and guarantees mentioning for engine gear speed
It is high), the state of the second gear group component is that the gear of even number gear is being kept off, and engine output torque drives vehicle, and (outgoing route is such as
Shown in dotted line with the arrow in Figure 11: engine-" second clutch-" the second gear group component-" rear axle), engine is defeated
Torque is to motor (shown in dotted line with the arrow of the outgoing route such as in Figure 11: engine-" second clutch-" motor) out.Such as
Shown in Figure 12, engine participates in work, and first clutch closure or sliding wear, second clutch separate, the first gear group component
State is that the gear of odd number gear is being kept off, and the state of the second gear group component is that the gear of even number gear is being kept off, engine output torque
Driving vehicle (outgoing route is as shown in the dotted line with the arrow in Figure 12: engine-" first clutch-" the first gear group group
Part-" rear axle), engine output torque to motor (outgoing route is as shown in the dotted line with the arrow in Figure 12: (engine-" the
One clutch-" the first gear group component-") rear axle-" the second gear group component-" motor).
When being in energy recuperation mode (Regeneration), energy recuperation mode includes sliding energy recuperation mode
(Coasting Regeneration) and Brake energy recovery mode (Braking Regeneration).It is slided when vehicle is in
When capable or damped condition, demand that vehicle is unpowered, motor becomes generator from motor, converts electricity for the part kinetic energy of vehicle
Energy.The recycling torque of motor can be adjusted according to driver's driving habit.As shown in figure 13, first clutch separates, and second
Clutch separation, the state of the first gear group component (for example can be sent out for the gear off-gear or gear of odd number gear in gear at this time
The work gear of motivation, which will be located at the first gear group or the work gear of engine, to shift to the first gear from the second gear group
Group and need to be put into gear in advance), the state of the second gear group component is that the gear of even number gear is being kept off, and remaining torque is returned by motor
Receive (recycling path is as shown in the dotted line with the arrow in Figure 13: rear axle-" the second gear group component-" motor).
When being in low speed power generation mode (Charge-D, D grades of idling/crawling power generation modes of Clutch), first clutch
Sliding wear or closure are responsible for driving moment of the transmitting from engine, and the responsible transmitting of second clutch closure (being completely combined) comes spontaneous
The power generation torque of motivation.As shown in figure 14, engine participates in work, first clutch closure, second clutch closure, first gear
The state of hyte component is that the gear of odd number gear is being kept off, and the state of the second gear group component is the gear off-gear of even number gear, vehicle
To travel (the band arrow in the transmission path such as Figure 14 of driving moment in gear gear in the first gear group under the driving of engine
Shown in head dotted line: engine-" first clutch-" the first gear group component-" rear axle), drive of the motor in the engine
Generate electricity under dynamic (transmission path of power generation torque is as shown in the dotted line with the arrow in Figure 14: engine-" second clutch-" electricity
Machine).
When being in accelerator releasing power generation mode (Drive Charging+Regeneration), the second clutch after accelerator releasing
Device continues to be closed, while vehicle control unit controls engine and Motor torque carry out driving power generation, and motor can be according to sliding at this time
Energy regenerating target torque is superimposed corresponding negative torque, so that energy regenerating is combined with driving power generation, it is the energy under low SOC
Management provides strong guarantee with balanced design, further improves system control flexibility.As shown in figure 15, engine
Work, first clutch separation, second clutch closure or sliding wear are participated in, the state of the first gear group component can keep off for odd number
Gear off-gear or gear keeping off, the state of the second gear group component is that the gear of even number gear is being kept off, and remaining torque is by electricity
Machine recycling (recycling path is as shown in the dotted line with the arrow in Figure 15: rear axle-" the second gear group component-" motor), motor exists
Generate electricity under the driving of the engine (transmission path of power generation torque is as shown in the dotted line with the arrow in Figure 15: engine-" the
Two clutches-" motor).Certainly it can not only be generated electricity by second clutch driving motor in accelerator releasing power generation mode,
Can also as shown in figure 16, engine passes through first clutch, the first gear group component and the second gear group Component driver motor
Power generation.
When being in fault mode, fault mode includes ICE ONLY withAMT/UDC control withAMT (pure
Engine driving and single shaft AMT shift/pure engine driving and single shaft AMT shift gears, while motor is in voltage mode control),
Under pure engine drive mode under shift, it is generally used in the failures such as motor, clutch or gear, such as motor fan-out capability
The critical constraints or gear of failure, battery charging and discharging ability critical constraints or failure, the second gear group is unavailable or failure, only exist
Gear in first gear group is shifted gears and (is equivalent to AMT shift).As shown in figure 17, engine participates in work, the first clutch
Device closure or sliding wear, second clutch separation, the state of the first gear group component are that the gear of odd number gear is being kept off, the second gear group
The state of component is the gear off-gear of even number gear, and engine is shifted gears by first clutch and the first gear group input shaft AMT
The advance of driving vehicle (transmission path of driving moment is as shown in the dotted line with the arrow in Figure 17: engine-" the first clutch
Device-" the first gear group component-" rear axle).Here UDC be (ISG) U (Voltage, voltage) Direct Current (DC, directly
Stream) (Control), the control of motor DC voltage.It wherein, can also be in first gear when being in ICE ONLYwith AMT mode
When the gear of hyte is unavailable or failure, first clutch cisco unity malfunction, by the gear in the second gear group into
Row shift (is equivalent to AMT shift), at this time motor and normal battery operation.
As an embodiment of the present invention, a kind of vehicle, it is dynamic including such as above-mentioned mixing based on double clutch speed-changings
Force system.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of hybrid power system based on double clutch speed-changings, which is characterized in that the system comprises engine, motor,
One clutch, second clutch and speed changer；
The output axis connection of the input terminal of the first clutch and the engine, the input terminal of the second clutch and institute
State the output axis connection of engine；
The speed changer includes the first gear group input shaft and the second gear group input shaft, the first gear group input shaft and institute
The output end connection of first clutch is stated, the second gear group input shaft is connect with the output end of the second clutch, institute
Motor is stated to connect with the second gear group input shaft；
Wherein, the first gear group in the speed changer is odd number gear, the second gear group in the speed changer be even number gear and
Reverse gear shift.
2. system according to claim 1, which is characterized in that the motor includes output gear, second gear group
Input shaft includes input gear, and the output gear is engaged with the input gear, the output gear and the input gear
Speed ratio be 1:1.5 to 1:1.6.
3. system according to claim 1, which is characterized in that the first gear group input shaft and second gear group
Input shaft is parallel, and the first gear group input shaft and the second gear group input shaft are set along the straight-line travelling direction of vehicle
It sets, the motor is arranged on the axial position of the second gear group input shaft.
4. system according to claim 3, which is characterized in that the second gear group input shaft is coaxially set in described
On one gear group input shaft；Alternatively, the first gear group input shaft is coaxially set on the second gear group input shaft.
5. according to claim 1, which is characterized in that the electric motor starting generator.
6. system according to claim 1, which is characterized in that the first clutch be wet clutch, described second
Clutch is wet clutch.
7. -6 any system according to claim 1, which is characterized in that the system also includes entire car controllers, described
Entire car controller controls the system according to preset control strategy and is in different operating modes, and the operating mode includes:
Pure electric drive mode, pure engine drive mode, parallel drive mode, power generation mode, energy recuperation mode and fault mode.
8. system according to claim 7, which is characterized in that the power generation mode includes low speed power generation mode；
When being in the low speed power generation mode, under the control of the entire car controller, the first clutch sliding wear or close
It closes, the second clutch closure, a gear in first gear group is being kept off, and the gear of second gear group is de-
Gear, vehicle is under the driving of the engine with, in gear gear traveling, the motor is in the hair in first gear group
It generates electricity under the driving of motivation.
9. system according to claim 7, which is characterized in that when the driving status of vehicle is from second gear group
When current shift switches to the target gear in second gear group, under the control of the entire car controller, by the electricity
The current rotating speed of machine is adjusted to rotating speed of target corresponding with the target gear.
10. a kind of vehicle, which is characterized in that the vehicle includes as described in claim 1-9 is any based on double clutch speed-changings
Hybrid power system.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110645349A (en) * | 2019-09-06 | 2020-01-03 | 吉利汽车研究院（宁波）有限公司 | Double-clutch gear shifting control method, device and equipment for hybrid vehicle |
| CN112096804A (en) * | 2020-08-07 | 2020-12-18 | 宁波上中下自动变速器有限公司 | Automatic transmission and automobile with same |
| CN112096805A (en) * | 2020-08-12 | 2020-12-18 | 宁波上中下自动变速器有限公司 | Multi-gear double-clutch transmission and vehicle |
| CN113154029A (en) * | 2021-05-12 | 2021-07-23 | 浙江吉利控股集团有限公司 | Gear shifting control method and gear shifting control system of vehicle |
| CN115638243A (en) * | 2022-12-23 | 2023-01-24 | 中国第一汽车股份有限公司 | Method and device for determining pre-engagement point of double clutch gear, vehicle and storage medium |
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| CN108482101A (en) * | 2018-03-09 | 2018-09-04 | 中国第汽车股份有限公司 | A kind of dual-clutch transmission hybrid power automobile power system and its control method |
| CN108501686A (en) * | 2018-03-27 | 2018-09-07 | 吉利汽车研究院（宁波）有限公司 | The torque of hybrid vehicle transmits control method, system and hybrid vehicle |
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| DE69619058T2 (en) * | 1995-11-13 | 2002-09-19 | Toyota Motor Co Ltd | Drive system for hybrid vehicle with clutch between internal combustion engine for switching a planetary gear upstream of the motor / generator |
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| CN110645349A (en) * | 2019-09-06 | 2020-01-03 | 吉利汽车研究院（宁波）有限公司 | Double-clutch gear shifting control method, device and equipment for hybrid vehicle |
| CN110645349B (en) * | 2019-09-06 | 2021-01-19 | 吉利汽车研究院（宁波）有限公司 | Double-clutch gear shifting control method, device and equipment for hybrid vehicle |
| CN112096804A (en) * | 2020-08-07 | 2020-12-18 | 宁波上中下自动变速器有限公司 | Automatic transmission and automobile with same |
| CN112096805A (en) * | 2020-08-12 | 2020-12-18 | 宁波上中下自动变速器有限公司 | Multi-gear double-clutch transmission and vehicle |
| CN113154029A (en) * | 2021-05-12 | 2021-07-23 | 浙江吉利控股集团有限公司 | Gear shifting control method and gear shifting control system of vehicle |
| CN115638243A (en) * | 2022-12-23 | 2023-01-24 | 中国第一汽车股份有限公司 | Method and device for determining pre-engagement point of double clutch gear, vehicle and storage medium |
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Application publication date: 20190416 |