CN110356218A - A kind of the parallel-axis type hybrid power system and control method of double clutch control - Google Patents
A kind of the parallel-axis type hybrid power system and control method of double clutch control Download PDFInfo
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- CN110356218A CN110356218A CN201910534961.3A CN201910534961A CN110356218A CN 110356218 A CN110356218 A CN 110356218A CN 201910534961 A CN201910534961 A CN 201910534961A CN 110356218 A CN110356218 A CN 110356218A
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- 238000005516 engineering process Methods 0.000 description 3
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Classifications
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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
- B60K6/42—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
- B60K6/442—Series-parallel switching 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
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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)
Abstract
The present invention relates to the hybrid power systems of series-parallel configuration, the parallel-axis type hybrid power system and control method, the hybrid power system for specifically disclosing a kind of control of double clutch include engine, first clutch, first gear group, second clutch, second gear group, rear-end gear reduction, first motor, the second motor, power battery and inverter.Compared to the prior art, hybrid power system of the invention passes through two clutches of control, the pure electric drive mode of single motor, the pure electric drive mode of bi-motor, series hybrid-power drive mode, parallel hybrid power drive mode can be achieved, the defect of towing astern state is also at even if avoiding engine and not working, and motor can be with auxiliary power, the driving capability of motor is given full play to, multiple drive modes can meet the needs of more automobile running working conditions.
Description
Technical field
The present invention relates to automobile dynamic system technical field, in particular to a kind of hybrid power system of series-parallel configuration.
Background technique
In order to overcome the problems such as pure electric automobile continual mileage is shorter, long-distance running is limited, Technology of Hybrid Electric Vehicle is had become
The inevitable choice of major vehicle enterprise response increasingly harsh oil consumption limit value and emission regulation.There are three types of structures for hybrid power system
Type: tandem, parallel, series parallel type, series parallel type are divided into series-parallel and power dividing series parallel type again.Tandem configuration letter
It is single, but energy conversion efficiency is low, dynamic property is poor under high-speed working condition.Parallel configuration powerful, but due to there was only one
Motor can not drive vehicle while charging.Power dividing series parallel type configuration oil-saving effect is good, but structure and control are complicated,
And core technology is monopolized by overseas enterprise.In contrast, series-parallel Structure Configuration Synthesis tandem configuration is simple and in parallel
The advantages of formula configuration powerful.
In series-parallel configuration hybrid power system currently on the market, engine is directly rigidly connected with motor, causes to send out
Even if being also at towing astern state when motivation does not work；The motor being connected with engine is only used as generator, is unable to auxiliary power,
The driving capability of motor cannot be given full play to, limited drive mode can not fully meet the demand of driver.Therefore, it invents
People develops a kind of parallel-axis type hybrid power system of double clutch control, solves the above problems.
Summary of the invention
The object of the present invention is to provide one kind can solve the towing astern state that is in when engine does not work, gives full play to each move
The ability in power source has multiple drive modes, realizes the series-parallel configuration hybrid power system for reducing oil consumption and discharge, to solve
Problem of the existing technology.
In order to achieve the above object, the first aspect of the present invention is to provide a kind of parallel-axis type mixing of double clutch control
Dynamical system, including engine, first clutch, first gear group, second clutch, second gear group, rear-end gear reduction,
First motor, the second motor, power battery and inverter；Wherein:
The engine is coupled by the first clutch with the first gear group, and the first gear group passes through described the
Two clutches couple with the second gear group, and the second gear group couples with the rear-end gear reduction；
The first motor couples with the first gear group, and second motor couples with the second gear group；
The first motor and second motor by being electrically connected after circuit in parallel with the inverter, the inverter with
The power battery is electrically connected.
In some embodiments of the invention, the first clutch and the second clutch arranged in co-axial alignment.Using this
Kind arranged in co-axial alignment mode reduces the conversion of power direction of transfer, reduces energy loss so that this system is compact-sized, fits
It closes and is applied to longitudinal rear driving mixed power automobile.
In some embodiments of the invention, the first gear group is speed increasing gear group comprising first to be meshed
Gear wheel and the first pinion gear；
The second gear group is train of reduction gears comprising the second gear wheel being meshed and the second pinion gear；
The first clutch couples the engine and first gear wheel；The second clutch connection described first is big
The wheel shaft of the wheel shaft of gear and second pinion gear；The first motor couples the wheel shaft of first pinion gear, and described
Two motors couple the wheel shaft of second gear wheel；The wheel shaft of second pinion gear is by transmission shaft output power to after described
Bridge main reducing gear.
Further, the parallel-axis type hybrid power system further includes gear box, the first clutch, first
Gear set, second clutch, second gear group, first motor and the second motor are all integrated in the gear box.It is integrated
The design of mode can facilitate the installation and arrangement of whole system.
Further, the output shaft of the gear box is coupled by transmission shaft with the rear-end gear reduction, institute
It states rear-end gear reduction power is transferred on wheel.
In some embodiments of the invention, between the first motor and second motor, the inverter and institute
It states and is connected by high-voltage wiring harness between power battery.
The second aspect of the present invention is to provide the controlling party of the parallel-axis type hybrid power system of above-mentioned double clutch control
Method, which is characterized in that including following operating mode: the pure electric drive mode of single motor, the pure electric drive mode of bi-motor, series hybrid
Power drive mode and parallel hybrid power drive mode；Wherein:
The pure electric drive mode of single motor: automobile in this mode operation, all locate by the first clutch and the second clutch
In opening state, the engine and the first motor do not work, and automobile is by second motor driven, all driving forces
It is provided by the power battery, this operating mode is electric-only mode, and an only motor driven is suitable for automobile in small torsion
It is run when the driving cycle of square demand；
The pure electric drive mode of bi-motor: for automobile in this mode operation, the first clutch is in the open state, and described second
Clutch is in closed state, and the engine does not work, and automobile is owned by the first motor and second motor driven
Driving force is provided by the power battery, and this operating mode is electric-only mode, and two motors drive simultaneously, is suitable for automobile
It is run in the driving cycle of large torque demand；
Series hybrid-power drive mode: for automobile in this mode operation, the first clutch is in closed state, and described
Two clutches are in the open state, and the engine is started by first motor first, then provide by the first gear group
Power generates electricity to first motor, and the electric energy issued is supplied to the second motor, and automobile is passed through by the second motor driven, extra electric energy
The inverter gives the power battery charging, and this operating mode is suitble to battery SOC (State of Charge, charged shape
State) lower, middle low-power requirements operating condition Shi Yizeng journey mode operation；
Parallel hybrid power drive mode: for automobile in this mode operation, the first clutch and the second clutch are all
In closed state, the engine, first motor and the second motor are worked at the same time, and power a part of the engine is passed through
The first clutch and the second clutch are transferred to wheel with mechanical path, and another part passes through first clutch
Device and the first gear group are transferred to the first motor, electric energy are converted by mechanical energy by first motor, described in driving
Second motor and the engine drive vehicle driving jointly, and this operating mode is suitble to automobile high power requirements operating condition luck
Row.
Further, above-mentioned control method further includes engine drive mode: automobile is in this mode operation, and described first
Clutch and second clutch are all in closed state, the engine operation, the first motor and the idle running of the second motor, hair
Motivation power is transmitted to wheel with mechanical path, drives vehicle driving all by above-mentioned first clutch and second clutch.
Further, above-mentioned control method further includes feedback braking mode: automobile in this mode operation, described first from
All in opening state, the engine and first motor do not work for clutch and second clutch, and second motor will be mechanical
It can be converted into electric energy, be stored in the power battery using the inverter, this operating mode is suitble to braking automobile system
Condition of starting building Shi Yunhang.
Further, above-mentioned control method further include parking power generation mode: automobile in this mode operation, described first from
Clutch is in closed state, and the second clutch is in the open state, the engine and first motor work, and described second
Motor does not work, and the engine is started by the first motor first, then supplies power to by the first gear group
The first motor power generation, electric energy are stored in the power battery by the inverter, and this operating mode is suitble to automobile
Idling operation and the lower situation of power battery SOC.
In a specific embodiment, the parallel-axis type hybrid power system of a kind of double clutch control according to the present invention
Control method include the pure electric drive mode of above-mentioned single motor, the pure electric drive mode of bi-motor, series hybrid-power driving
This seven kinds mode, parallel hybrid power drive mode, engine drive mode, feedback braking mode and parking power generation mode work
Mode, the automobile for equipping the hybrid power system can automatically switch operating mode according to driving cycle.
Due to the adoption of the above technical scheme, the present invention reach it is following the utility model has the advantages that
Hybrid power system of the invention is ingenious in design, compact-sized, and two motors, two gear sets are passed through two clutches
It is integrated into a set of hybrid power system with engine and rear-end gear reduction, engine is not rigidly connected directly with motor, avoids
Even if engine is also at the defect of towing astern state when not working；The motor being connected in the present invention with engine, serves not only as
Generator, moreover it is possible to which auxiliary power has given full play to the driving capability of motor；
The control method of hybrid power system of the invention can be realized the hybrid power system, and at least to have small torque demand pure
Four kinds of electronic, large torque demand pure electric vehicle, series hybrid-power, parallel hybrid power operating modes, equip this dynamical system
Automobile can according to driving cycle, automatically switch to corresponding operating mode, meet a variety of demands of driver.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram of the invention；
Attached drawing 2 is the pure electric drive mode energy transmission route schematic diagram of single motor of the invention；
Attached drawing 3 is the pure electric drive mode energy transmission route schematic diagram of bi-motor of the invention；
Attached drawing 4 is series hybrid-power drive mode energy transmission route schematic diagram of the invention；
Attached drawing 5 is parallel hybrid power drive mode energy transmission route schematic diagram of the invention；
Attached drawing 6 is engine drive mode energy transmission route schematic diagram of the invention；
Attached drawing 7 is feedback braking mode of energy transfer route schematic diagram of the invention；
Attached drawing 8 is stopping for charging mode of energy transfer route schematic diagram of the invention.
Specific embodiment
Detailed description of the preferred embodiments with reference to the accompanying drawing, so that advantages and features of the invention
It can be easier to it will be appreciated by those skilled in the art that apparent accurately being defined to be made to protection scope of the present invention.
As shown in Figure 1, the parallel-axis type hybrid power system that a kind of double clutch of the present embodiment controls, including engine
1, first clutch 2, first gear group 3, second clutch 4, second gear group 5, gear box 6, rear-end gear reduction 7,
First motor 8, the second motor 9, power battery 10 and inverter 11.
Wherein, engine 1 is coupled by first clutch 2 with first gear group 3, and first gear group 3 passes through the second clutch
Device 4 couples with second gear group 5, and second gear group 5 couples with rear-end gear reduction 7.First gear group 3 in the present embodiment is
Speed increasing gear group comprising the first gear wheel being meshed and the first pinion gear.Second gear group 5 is train of reduction gears, packet
Include the second gear wheel being meshed and the second pinion gear.First motor 8 couples with first gear group 3, the second motor 9 and described the
The connection of two gear sets 5.Specifically, first clutch 2 couples the first gear wheel of engine 1 and speed increasing gear group；Second clutch
Device 4 couples the wheel shaft of the wheel shaft of the first gear wheel of speed increasing gear group and the second pinion gear of train of reduction gears；First motor 8
The wheel shaft of the first pinion gear of speed increasing gear group is connect, the second motor 9 couples the wheel shaft of the second gear wheel of train of reduction gears；Slow down
The wheel shaft of second pinion gear of gear set passes through transmission shaft output power to rear-end gear reduction 7.In the present embodiment, first from
Clutch 2, first gear group 3, second clutch 4, second gear group 5, first motor 8 and the second motor 9 are all integrated in the change
In fast box body 6, the output shaft of gear box 6 passes through transmission shaft output power to rear-end gear reduction 7, rear-end gear reduction
7 are transferred to power on wheel.5
Wherein, first motor 8 and the second motor 9 be after circuit in parallel with inverter 11 by being electrically connected, inverter 11 with it is described
Power battery 10 is electrically connected.In the present embodiment, between first motor 8 and the second motor 9, inverter 11 and power battery 10 it
Between pass through high-voltage wiring harness connect.
In the present embodiment, first clutch 2 and second clutch 4 are arranged in co-axial alignment.And further, first clutch
2 and second clutch 4 axis direction it is parallel with the axis direction of the output shaft of engine 1.The hybrid power of the present embodiment
System is applied in longitudinal engine rear-drive automobile, and when first clutch 2 and second clutch 4 are all closed, the power of engine 1 is not required to
Rear-end gear reduction 7 can be transferred to by changing direction.
It is situated between in detail to the control method of the parallel-axis type hybrid power system of the present embodiment double clutch control below
It continues.
The parallel-axis type hybrid power system of the present embodiment double clutch control has the pure electric drive mode of single motor, double electricity
The pure electric drive mode of machine, series hybrid-power drive mode, parallel hybrid power drive mode, engine drive mode, braking
Feedback mode and parking this seven kinds of operating modes of power generation mode, equip the hybrid power system automobile can according to driving cycle,
Automatically switch operating mode.
Fig. 2 is the energy transmission route schematic diagram of the pure electric drive mode of single motor, when 12 electricity of power battery is sufficient and needs
When asking torque smaller (start to walk, move backward or run at a low speed), first clutch 2 and second clutch 4 are all opened, 9 work of the second motor
Make, the electrical power of power battery 12 is subtracted by driving the second motor 9 to be converted into mechanical energy by second gear group (5), rear axle master
Fast device 7 etc. is transmitted to wheel, drives vehicle driving.
Fig. 3 is the energy transmission route schematic diagram of the pure electric drive mode of bi-motor, when 12 electricity of power battery is sufficient and needs
When seeking torque larger (climbing, urgency accelerates or operating condition of running at high speed), first clutch 2 is opened, and second clutch 4 is closed, the
The electrical power of one motor 8 and the work of the second motor 9, power battery 12 is converted into mechanical energy by two motors, and passes through first
Gear set 3, second gear group 5, rear-end gear reduction 7 etc. are transmitted to wheel, drive vehicle driving.
Fig. 4 is the energy transmission route schematic diagram of series hybrid-power drive mode, when 12 not enough power supply of power battery and
When speed is lower, first clutch 2 is closed, and second clutch 4 is opened, engine 1, first motor 8 and the second motor 9 while work
Make, the power of engine 1 is converted into electric energy, a portion by first motor 8 through first clutch 2, first gear group 3
Electric energy is converted into mechanical energy by the second motor 9, then is transmitted to wheel by second gear group 5, rear-end gear reduction 7 etc., drives
Dynamic vehicle driving, another part electric energy are stored in power battery 12 by inverter 11.
Fig. 5 is the energy transmission route schematic diagram of parallel hybrid power drive mode, when speed is higher, first clutch
2 and second clutch 4 be closed at, engine 1, first motor 8 and the second motor 9 work at the same time, the power of engine 1 one
Lease making first clutch 2, second clutch 4, rear-end gear reduction 7 are transmitted to wheel, drive vehicle driving, and another part is through the
One clutch 2, first gear group 3 are converted into electric energy by first motor 8, provide electric energy to the second motor 9 or pass through inversion
Device 11 is stored in power battery 12.
Fig. 6 is the energy transmission route schematic diagram of engine drive mode, when speed is higher or power battery 12 occurs
When failure, first clutch 2 and second clutch 4 are closed at, and engine 1 works, first motor 8 and the idle running of the second motor 9,
The power of engine 1 is transmitted to wheel through first clutch 2, second clutch 4, rear-end gear reduction 7, drives vehicle driving.
Fig. 7 is the energy transmission route schematic diagram of feedback braking mode, when vehicle is under damped condition, first clutch 2
Opened simultaneously with second clutch 4, engine 1 and first motor 8 do not work, the mechanical energy of vehicle by rear-end gear reduction 7,
Second gear group 5 is transmitted, and converts electric energy for mechanical energy through the second motor 9, then be stored into power battery 12 by inverter 11
It is interior.
Fig. 8 is the energy transmission route schematic diagram of stopping for charging mode, when the SOC of power battery 12 is lower and in vehicle
Stop under operating condition, first clutch 2 is closed, and second clutch 4 is opened, and engine 1 and first motor 8 work, engine 1
Power converts electric energy for mechanical energy by first clutch 2, first gear group 3, through first motor 8, then passes through inverter 11
It is stored into power battery 12.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of parallel-axis type hybrid power system of double clutch control, which is characterized in that including engine (1), first from
Clutch (2), first gear group (3), second clutch (4), second gear group (5), rear-end gear reduction (7), first motor
(8), the second motor (9), power battery (10) and inverter (11)；Wherein:
The engine (1) is coupled by the first clutch (2) with the first gear group (3), the first gear group
(3) coupled by the second clutch (4) with the second gear group (5), the second gear group (5) and the rear axle master
Retarder (7) connection；
The first motor (8) couples with the first gear group (3), second motor (9) and the second gear group (5)
Connection；
The first motor (8) and second motor (9) after circuit in parallel with the inverter (11) by being electrically connected, institute
Inverter (11) and the power battery (10) are stated to be electrically connected.
2. a kind of parallel-axis type hybrid power system of double clutch control according to claim 1, which is characterized in that institute
State first clutch (2) and the second clutch (4) arranged in co-axial alignment.
3. a kind of parallel-axis type hybrid power system of double clutch control according to claim 1 or 2, feature exist
In:
The first gear group (3) is speed increasing gear group comprising the first gear wheel being meshed and the first pinion gear；
The second gear group (5) is train of reduction gears comprising the second gear wheel being meshed and the second pinion gear；
The first clutch (2) couples the engine (1) and first gear wheel；Second clutch (4) connection
The wheel shaft of the wheel shaft of first gear wheel and second pinion gear；The first motor (8) couples first pinion gear
Wheel shaft, second motor (9) couples the wheel shaft of second gear wheel；The wheel shaft of second pinion gear passes through transmission shaft
Output power is to the rear-end gear reduction (7).
4. a kind of parallel-axis type hybrid power system of double clutch control according to claim 1 or 2, feature exist
In the parallel-axis type hybrid power system further includes gear box (6), the first clutch (2), first gear group
(3), second clutch (4), second gear group (5), first motor (8) and the second motor (9) are all integrated in the gearbox case
In body (6).
5. a kind of parallel-axis type hybrid power system of double clutch control according to claim 4, which is characterized in that institute
The output shaft for stating gear box (6) is coupled by transmission shaft with the rear-end gear reduction (7), the rear-end gear reduction
(7) power is transferred on wheel.
6. a kind of parallel-axis type hybrid power system of double clutch control according to claim 1, which is characterized in that institute
It states between first motor (8) and second motor (9), pass through between the inverter (11) and the power battery (10)
High-voltage wiring harness connection.
7. the controlling party of the parallel-axis type hybrid power system of -6 any a kind of double clutch controls according to claim 1
Method, which is characterized in that including following operating mode: the pure electric drive mode of single motor, the pure electric drive mode of bi-motor, series hybrid
Power drive mode and parallel hybrid power drive mode；Wherein:
The pure electric drive mode of single motor: automobile is in this mode operation, the first clutch (2) and the second clutch
(4) it does not work all in opening state, the engine (1) and the first motor (8), automobile is by second motor
(9) it drives, all driving forces are provided by the power battery (12)；
The pure electric drive mode of bi-motor: for automobile in this mode operation, the first clutch (2) is in the open state, described
Second clutch (4) is in closed state, and the engine (1) does not work, and automobile is by the first motor (8) and described second
Motor (9) driving, all driving forces are provided by the power battery (12)；
Series hybrid-power drive mode: for automobile in this mode operation, the first clutch (2) is in closed state, institute
It is in the open state to state second clutch (4), the engine (1) is started by first motor (8) first, then by described the
One gear set (3) supplies power to first motor (8) power generation, and the electric energy issued is supplied to the second motor (9), and automobile is by second
Motor (9) driving, extra electric energy are charged by the inverter (11) to the power battery (12)；
Parallel hybrid power drive mode: automobile is in this mode operation, the first clutch (2) and the second clutch
(4) all in closed state, the engine (1), first motor (8) and the second motor (9) are worked at the same time, the engine
(1) power a part passes through the first clutch (2) and the second clutch (4), is transferred to wheel with mechanical path,
Another part is transferred to the first motor (8) by the first clutch (2) and the first gear group (3), by the
Mechanical energy is converted electric energy by one motor (8), drives second motor (9) and the engine (1) driving vehicle row jointly
It sails.
8. a kind of control method of the parallel-axis type hybrid power system of double clutch control according to claim 7,
Be characterized in that, further include engine drive mode: automobile is in this mode operation, the first clutch (2) and the second clutch
Device (4) is all in closed state, engine (1) work, the first motor (8) and the second motor (9) idle running, engine
Power is transmitted to wheel with mechanical path, drives vehicle row all by above-mentioned first clutch (2) and second clutch (4)
It sails.
9. a kind of control method of the parallel-axis type hybrid power system of double clutch control according to claim 7,
Be characterized in that, further include feedback braking mode: automobile is in this mode operation, the first clutch (2) and second clutch
(4) all in opening state, the engine (1) and first motor (8) do not work, and second motor (9) turns mechanical energy
Electric energy is turned to, is stored in the power battery (12) using the inverter (11).
10. a kind of control method of the parallel-axis type hybrid power system of double clutch control according to claim 7,
It is characterized in that, further include parking power generation mode: for automobile in this mode operation, the first clutch (2) is in closed state,
The second clutch (4) is in the open state, the engine (1) and first motor (8) work, second motor (9)
It does not work, the engine (1) is started by the first motor (8) first, is then provided by the first gear group (3) dynamic
Power generates electricity to the first motor (8), and electric energy is stored in the power battery (12) by the inverter (11).
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