CN109435675A - Drive device for hybrid vehicle and its control method - Google Patents
Drive device for hybrid vehicle and its control method Download PDFInfo
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- CN109435675A CN109435675A CN201811205017.5A CN201811205017A CN109435675A CN 109435675 A CN109435675 A CN 109435675A CN 201811205017 A CN201811205017 A CN 201811205017A CN 109435675 A CN109435675 A CN 109435675A
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- clutch
- single clutch
- gear
- engine
- double
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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
- B60K6/383—One-way clutches or freewheel devices
-
- 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
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
It includes: engine that the present invention, which provides a kind of drive device for hybrid vehicle and its control method, the drive device for hybrid vehicle,；Single clutch, electronic pump and single clutch hydraulic control module, the external tooth hub of single clutch and the output axis connection of engine, it is sequentially connected between the external tooth hub of electronic pump, single clutch hydraulic control module and single clutch by oil circuit, the pressure oil of electronic pump is distributed by isolated conjunction hydraulic control module to the oil duct of single clutch；The integrated motor with single clutch, the input shaft of motor and the internal tooth of single clutch connect；Double clutch transmission systems, the output axis connection of double clutch transmission systems and motor.Drive device for hybrid vehicle and its control method of the invention is by being independently controlled single clutch, realize the quick start of engine, and can during the coupling of torque and decoupling Optimal Control Strategy, so that engine and motor power avoid impact and power interruption when switching mutually with intervention, so that driving is optimized.
Description
Technical field
The present invention relates to the dynamical systems of vehicle, more particularly, to a kind of drive device for hybrid vehicle and its controlling party
Method.
Background technique
Hybrid vehicle refers to the vehicle using two or more energy sources.The most common hybrid vehicle is
There are engine and motor to provide the mixing output of two kinds of power, wherein engine fuel consumption, the electricity of electrical consumption power battery
Energy.
In vehicle automatic speed variator field, double-clutch automatic gearbox is positioned at the gear shifting characteristic of movenent performance and knows
Name.Since double-clutch automatic gearbox has good gear mesh efficiency in design aspect, transmission ratio selection is flexible, thus
With good fuel economy；It can be greatly decreased in the power in shift process using double-clutch automatic gearbox simultaneously
Disconnected, driver comfort is superior, and therefore, double-clutch automatic gearbox is more and more favored.Current major host manufacturer, components
Manufacturer increases Innovation Input and the popularization and use to double-clutch automatic gearbox.
The single motor parallel connection type hybrid power system of mainstream at present is the input and output shaft that motor is integrated in speed changer
On, realize the mixing output of two kinds of power.But in the prior art, when motor parallel formula hybrid power system is applied to double clutches
When automatic transmission, since motor cannot play the role of starter, the quick start function of engine cannot achieve；Meanwhile
Impact phenomenon can occur with when intervening since engine and motor power switch mutually, seriously affect driving impression.
Summary of the invention
The technical problem to be solved by the present invention is to cannot achieve for existing single motor parallel connection type hybrid power system
The quick start function of engine, and engine and motor power switch mutually and there are problems that impact when intervening, and provide one
Kind drive device for hybrid vehicle.
It is as follows that the present invention solves technical solution used by above-mentioned technical problem:
There is provided a kind of drive device for hybrid vehicle, comprising: engine；Single clutch, electronic pump and single clutch liquid
Press control module, the external tooth hub of the single clutch and the output axis connection of the engine, the electronic pump, the isolated conjunction
It is sequentially connected between device hydraulic control module and the external tooth hub of the single clutch by oil circuit, the pressure oil of the electronic pump is logical
The isolated conjunction hydraulic control module is crossed to distribute to the oil duct of the single clutch；The integrated electricity with the single clutch
Machine, the input shaft of the motor are connect with the internal tooth of the single clutch；Double clutch transmission systems, double clutch transmission systems
With the output axis connection of the motor.
Further, the drive device for hybrid vehicle further includes mechanical pump and double-clutch speed changer hydraulic control mould
Block passes through between the mechanical pump, the double-clutch speed changer hydraulic control module and the single clutch hydraulic control module
Oil circuit is sequentially connected, and the pressure oil of the mechanical pump is distributed by the double-clutch speed changer hydraulic control module to described isolated
The oil duct of clutch.
Further, the single clutch hydraulic control module includes two position and four-way reversing valves, the first check valve, accumulator
And pressure sensor, the electronic pump, first check valve and two position and four-way reversing valve are sequentially connected by oil circuit, institute
It states two position and four-way reversing valves to connect by oil circuit with the oil duct of the single clutch, the accumulator and the pressure sensor connect
The oil circuit branch to be formed is connect to be connected between first check valve and two position and four-way reversing valve.
Further, the single clutch hydraulic control module further includes second one-way valve and mechanical pump supplement flow control
Valve, described mechanical pump supplement flow control valve one end are connect by oil circuit with the double-clutch speed changer hydraulic control module, separately
One end connect the oil circuit branch to be formed with the second one-way valve and is connected to first check valve and two four-ways commutation
Between valve.
Further, double clutch transmission systems include: double clutch, the external tooth hub and the electricity of the double clutch
The output axis connection of machine；Interior input shaft and outer input shaft, the interior input shaft are connect with the first clutch of the double clutch,
The outer input shaft is connect with the second clutch of the double clutch；Odd number keeps off driving gear and even number keeps off driving gear, institute
It states odd number gear driving gear to be set on the interior input shaft, the even number gear driving gear is set on the outer input shaft；It is upper defeated
Shaft, lower output shaft, odd number gear driven gear and even number keep off driven gear, and the odd number gear driven gear and even number keep off driven tooth
Empty set is taken turns on the upper output shaft and the lower output shaft.
Further, the drive device for hybrid vehicle further include entire car controller and with the full-vehicle control respectively
Engine management system, battery management system, electric machine controller and the transmission control unit that device is connected by signal；The change
Fast device control unit respectively with the electronic pump, the single clutch hydraulic control module, the mechanical pump and double clutches
Transmission pressure control module is connected by signal.
The present invention also provides a kind of hybrid vehicle drive control method, entire car controller sends instructions to engine
Management system, battery management system, electric machine controller and transmission control unit, the engine management system control the hair
The operating status of motivation, the battery management system are motor power supply, and the electric machine controller controls the fortune of the motor
Row state, the transmission control unit start the electronic pump and adjust the single clutch hydraulic control module, control institute
State the impaction state of single clutch.
Further, when engine start, the transmission control unit starts the electronic pump, the pressure of the electronic pump
Power oil provides oil pressure by first check valve and two position and four-way reversing valve for the single clutch, compresses described isolated
The external tooth hub of the internal tooth of clutch and the single clutch, at the same it is persistently oil-filled to the accumulator；The pressure sensor according to
The starting or closing of electronic pump described in the oil pressure cntrol measured；After the engine start success, the electronic pump stops working,
The accumulator continues to keep the compaction pressure of the single clutch.
Further, when pure electrician's condition is converted to engine operating condition, the transmission control unit opens the mechanical pump
Flow supplements solenoid valve, and the pressure oil of the mechanical pump passes through the distribution of the double-clutch speed changer hydraulic control module, part
It is described isolated that flow, which supplements solenoid valve, the second one-way valve and two position and four-way reversing valve by the mechanical pump discharge,
Clutch provides oil pressure, compresses the internal tooth of the single clutch and the external tooth hub of the single clutch；The pressure sensor according to
The supplement solenoid valve of machinery pump discharge described in the oil pressure cntrol measured opens or closes；The engine management system control is started
Machine starting, the electric machine controller control the motor and stop power output, and the machinery pump discharge supplement solenoid valve is closed, institute
Accumulator is stated to continue to keep the compaction pressure of the single clutch.
Further, when engine operating condition Xiang Chun electricity change working, the transmission control unit coordinates described two four
The electric current of logical reversal valve and the mechanical pump discharge supplement solenoid valve, makes the single clutch sliding wear and is gradually disengaged.
Bring beneficial effect of the present invention is, is formed by using single clutch hydraulic control module and electronic pump only
Vertical small-sized hydraulic module, is independently controlled single clutch, realizes the quick start of engine, and can be in the coupling of torque
With Optimal Control Strategy during decoupling, avoided in impact and power so that engine and motor power switch mutually with when intervening
It is disconnected, so that driving is optimized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the drive device for hybrid vehicle that one embodiment of the invention provides；
Fig. 2 is the drive control module schematic diagram for the drive device for hybrid vehicle that one embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the single clutch hydraulic control module that one embodiment of the invention provides.
Appended drawing reference in Figure of description is as follows:
1, engine；2, double mass flywheel；3, single clutch；4, motor；5, the output shaft of motor；6, first clutch；
7, second clutch；8, upper output gear；9, six gear driven gear；10, six gear synchronizer；11, reverse gear；12, it reverses gear same
Walk device；13, three gear driven gear；14, three/seven gear synchronizer；15, seven gear driven gear；16, upper output shaft；17, interior input
Axis；18, lower output shaft；19, five gear driven gear；20, one/five gear synchronizer；21, a gear driven gear；22, second gear driven tooth
Wheel；23, two/tetra- gear synchronizer；24, differential mechanism；25, parking ratchet wheel；26, parking axis；27, the external tooth hub of double clutch；28, outer
Input shaft；29, lower output gear；30, four gear driven gear；31, the input shaft of motor；32, the external tooth hub of single clutch；33,
One gear driving gear；34, three gear driving gear；35, five/seven gear driving gear；36, two gear driving gear；37, four/six gear master
Moving gear；38, the output shaft of engine；39, double clutch；40, entire car controller；41, high-tension battery；42, engine management
System；43, inverter；44, battery management system；45, electric machine controller；46, transmission control unit；47, double clutch speed-changings
Device hydraulic control module；48, double clutch transmission systems；49, single clutch hydraulic control module；50, electronic pump；51, two four
Logical reversal valve；52, the first check valve；53, second one-way valve；54, accumulator；55, pressure sensor；56, mechanical pump discharge is mended
Charge magnet valve；57, mechanical pump.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
As shown in Figure 1-3, a kind of drive device for hybrid vehicle that one embodiment of the invention provides, comprising: engine
1；The external tooth hub 32 of single clutch 3, electronic pump 50 and single clutch hydraulic control module 49, the single clutch starts with described
The output shaft 38 of machine connects, the external tooth of the electronic pump 50, the single clutch hydraulic control module 49 and the single clutch
Be sequentially connected between hub 32 by oil circuit, the pressure oil of the electronic pump 50 by the isolated conjunction hydraulic control module distribute to
The oil duct of the single clutch 3；The integrated motor 4 with the single clutch 3, the input shaft 31 and the list of the motor
The internal tooth of clutch 3 connects；Double clutch transmission systems 48, double clutch transmission systems 48 and the output shaft 5 of the motor connect
It connects, can also add double mass flywheel 2 between the single clutch 3 and the engine 1.
From the foregoing, it will be observed that drive device for hybrid vehicle provided by the invention, by using single clutch hydraulic control mould
The independent small-sized hydraulic module that block 49 and electronic pump 50 are formed, can be independently controlled single clutch 3, realize engine 1
Quick start, and promote the intervention of 1 power of engine and the ride comfort that exits.
As shown in Figure 1, the drive device for hybrid vehicle further includes mechanical pump 57 and the hydraulic control of double-clutch speed changer
Molding block 47, the mechanical pump 57, the double-clutch speed changer hydraulic control module 47 and the single clutch hydraulic control mould
It is sequentially connected between block 49 by oil circuit, the pressure oil of the mechanical pump 57 passes through the double-clutch speed changer hydraulic control module
47 distribute to the oil duct of the single clutch 3.It, can by the setting of mechanical pump 57 and double-clutch speed changer hydraulic control module 47
When vehicle is in operating status, the partial discharge exported by mechanical pump 57 is used to supplement the compression oil pressure of single clutch 3, avoids
Electronic pump 50 works always, to improve the service life of electronic pump 50.
As shown in figure 3, the single clutch hydraulic control module 49 includes two position and four-way reversing valves 51, the first check valve
52, accumulator 54 and pressure sensor 55, the electronic pump 50, first check valve 52 and two position and four-way reversing valve 51
It is sequentially connected by oil circuit, two position and four-way reversing valve 51 is connect by oil circuit with the oil duct of the single clutch 3, the storage
The oil circuit branch that energy device 54 and the connection of the pressure sensor 55 are formed is connected to first check valve 52 and described two four
Between logical reversal valve 51.When engine 1 starts, pressure oil passes through the first check valve 52 in single clutch hydraulic control module 49
Oil pressure is provided to single clutch 3 with two position and four-way reversing valves 51, to make the internal tooth of single clutch 3 and the external tooth hub of single clutch
32 are compressed by friction plate, while persistently oil-filled to accumulator 54, when pressure sensor 55 measures oil pressure and reaches setting range, electricity
Son pump 50 stops working, and single clutch 3 carries out pressure maintaining by accumulator 54, if vehicle does not move, pressure sensor 55 measures list
When the compression oil pressure of clutch 3 is lower than setting range, electronic pump 50 is actuated for ftercompction, when pressure reaches in setting range,
Electronic pump 50 turns off, until vehicle is started.Continue to protect the compression oil pressure of single clutch 3 by accumulator 54
It holds, electronic pump 50 is avoided to work always, to improve the service life of electronic pump 50；Simultaneously as accumulator 54 has
The pressure fluctuation of absorption pump and the effect for mitigating compression shock caused by electromagnetic valve switch, and two position and four-way reversing valves 51 are ratio
Pilot solenoid valve can gradually be adjusted flow, so the compaction process of single clutch 3 is than milder, to improve vehicle
The stationarity of torque couple when especially engine 1 starts in operational process.
As shown in figure 3, the single clutch hydraulic control module 49 further includes that second one-way valve 53 and mechanical pump 57 supplement
Flow control valve, the mechanical pump 57 supplement flow control valve one end and pass through oil circuit and the double-clutch speed changer hydraulic control mould
Block 47 connects, and the other end connect the oil circuit branch formed with the second one-way valve 53 and is connected to first check valve 52 and institute
It states between two position and four-way reversing valves 51.Open 57 flow of mechanical pump and supplement solenoid valve 56, the pressure oil of mechanical pump 57 by it is double from
It closes transmission pressure control module 49 to distribute, partial discharge supplements solenoid valve 56, second one-way valve 53 by 57 flow of mechanical pump
It is provided to single clutch 3 with two position and four-way reversing valves 51, compresses single clutch 3, pressure sensor 55 monitors single clutch 3
After pressure reaches setting range, 57 flow of mechanical pump supplements solenoid valve 56 and closes, by accumulator 54 to the compression pressure of single clutch 3
Power is kept；When pressure sensor 55 monitors the compaction pressure of single clutch 3 lower than setting range, 57 flow of mechanical pump is mended
The magnet valve 56 that charges is opened, and mechanical pump 57 carries out supplement pressure to accumulator 54, restores the compaction pressure of single clutch 3 to setting
Range.The assignment of traffic that solenoid valve 56 controls mechanical pump 57 is supplemented by 57 flow of mechanical pump, it can be in operating status in vehicle
When, the partial discharge exported by mechanical pump 57 is used to supplement the compression oil pressure of single clutch 3, and electronic pump 50 is avoided to carry out work always
Make, to improve the service life of electronic pump 50；Simultaneously as accumulator 54 has the pressure fluctuation of absorption pump and mitigates electromagnetism
The effect of compression shock caused by threshold switch, and two position and four-way reversing valves 51 be proportion pilot solenoid valve, can to flow carry out by
Step section, so the compaction process of single clutch 3 is than milder, to improve the steady of torque couple in vehicle operational process
Property.
As shown in Fig. 2, the drive device for hybrid vehicle further includes drive control module, the drive control module packet
Engine management system 42, the battery management for including entire car controller 40 and being connect with the difference entire car controller 40 by signal
System 44, electric machine controller 45 and transmission control unit 46；The transmission control unit 46 respectively with the electronic pump 50,
The single clutch hydraulic control module 49, the mechanical pump 57 and the double-clutch speed changer hydraulic control module 47 pass through letter
Number connection.By above-mentioned control module, it can be achieved that control to the drive device for hybrid vehicle.Entire car controller 40 is sent
It instructs to engine management system 42, battery management system 44, electric machine controller 45 and transmission control unit 46, engine tube
Reason system 42 controls the operating status of engine 1, and battery management system 44 is the power supply of motor 4, and electric machine controller 45 controls motor 4
Operating status, transmission control unit 46 starts electronic pump 50 and simultaneously adjusts single clutch hydraulic control module 49, control isolated
The impaction state of clutch 3.
Specifically, as shown in Figure 1-3, under 1 start-up mode of engine, the transmission control unit 46 starts the electricity
Son pump 50, the pressure oil of the electronic pump 50 are the list by first check valve 52 and two position and four-way reversing valve 51
Clutch 3 provides oil pressure, compresses the internal tooth of the single clutch 3 and the external tooth hub 32 of the single clutch, while persistently giving institute
It is oil-filled to state accumulator 54；The starting or closing of the pressure sensor 55 electronic pump 50 according to the oil pressure cntrol measured；Institute
It states after engine 1 starts successfully, the electronic pump 50 stops working, and the accumulator 54 continues to keep the single clutch 3
Compaction pressure.In this mode, it is formed by using single clutch hydraulic control module 49 and electronic pump 50 independent small-sized
Hydraulic module can be independently controlled single clutch 3, and transmission control unit 46 is made to control the pressure oil that electronic pump 50 exports
It acts on single clutch 3 to be allowed to compress, realizes the effect of quick start engine 1, and reduce and started using conventional engine 1
The cost of motor 4；Meanwhile the pressure maintaining effect of accumulator 54 can avoid electronic pump 50 and work always, to improve electronic pump
50 service life.
Specifically, described when pure electrician's condition is to 1 change working of engine as shown in Figure 1-3, under low-speed running mode
Transmission control unit 46 opens 57 flow of mechanical pump supplement solenoid valve 56, described in the pressure oil of the mechanical pump 57 passes through
The distribution of double-clutch speed changer hydraulic control module 47, partial discharge supplement solenoid valve 56, institute by 57 flow of mechanical pump
It states second one-way valve 53 and two position and four-way reversing valve 51 is that the single clutch 3 provides oil pressure, compress the single clutch 3
Internal tooth and the single clutch external tooth hub 32；Mechanical pump 57 according to the oil pressure cntrol measured of pressure sensor 55
Flow supplement solenoid valve 56 opens or closes；The engine management system 42 controls engine 1 and starts, the motor control
Device 45 controls the motor 4 and stops power output, and 57 flow of the mechanical pump supplement solenoid valve 56 is closed, the accumulator 54 after
The compaction pressure of the single clutch 3 is held in continuation of insurance.When 1 operating condition Xiang Chun electricity change working of engine, the transmission control unit
46 coordinate the electric current of two position and four-way reversing valve 51 and 57 flow of mechanical pump supplement solenoid valve 56, make the single clutch
3 sliding wears are simultaneously gradually disengaged.In this mode, draw since accumulator 54 has the pressure fluctuation of absorption pump and mitigates electromagnetic valve switch
The compression shock play a part of, and two position and four-way reversing valves 51 are proportion pilot solenoid valve, so 3 cohesive process ratio of single clutch
It is milder, to improve the stationarity of torque couple in vehicle operational process；Simultaneously as accumulator 54 is able to maintain single clutch
3 compaction pressure, and 55 real-time monitoring oil pressure of pressure sensor, such as oil pressure deficiency, 57 flow of mechanical pump supplements solenoid valve 56 will
The partial discharge that mechanical pump 57 exports is used to supplement the compression oil pressure of single clutch 3, does not need electronic pump 50 and works, thus
Improve the service life of electronic pump 50.
As shown in Figure 1, double clutch transmission systems 48 include: double clutch, the external tooth hub 27 of the double clutch with
The output shaft 5 of the motor connects；Interior input shaft 17 and outer input shaft 28, the of the interior input shaft 17 and the double clutch
The connection of one clutch 6, the outer input shaft 28 are connect with the second clutch 7 of the double clutch；Odd number keep off driving gear and
Even number keeps off driving gear, and the odd number gear driving gear is set on the interior input shaft 17, and the even number gear driving gear is set to
On the outer input shaft 28；Upper output shaft 16, lower output shaft 18, odd number gear driven gear and even number keep off driven gear, the surprise
Number gear driven gear and even number gear driven gear empty set are on the upper output shaft 16 and the lower output shaft 18.
Specifically, as shown in Figure 1, odd number gear driving gear includes that a gear driving gear 33, three keeps off driving gear 34
Driving gears 35 are kept off with five/seven, wherein five gears and seven gears share a driving gear (i.e. five/seven keep off driving gear 35)；It is described
Even number gear driving gear includes two gear driving gear 36 and four/six gear driving gears 37, wherein four gears and six gears share a master
Moving gear (i.e. four/six gear driving gears 37).The one gear driving gear 33, the three gears driving gear 34 and described five/seven
Driving gear 35 is kept off on the interior input shaft 17 along the direction from close to the double clutch to far from the double clutch
It sets gradually, four/six gear driving gear 37 and the two gear driving gear 36 are on the outer input shaft 28 along from leaning on
The nearly double clutch to the direction far from the double clutch is set gradually.
Specifically, as shown in Figure 1, various gears driven gear empty set is on upper output shaft 16 and lower output shaft 18, various gears
Driven gear includes odd number gear driven gear and even number gear driven gear, and the odd number gear driven gear and odd number gear are actively
Gear mesh should be engaged often, the even number gear driven gear often engagement corresponding with even number gear driving gear.Odd number gear from
Moving gear includes that a gear driven gear 21, three keeps off the gear driven gear 19 of driven gear 13, five and seven gear driven gears 15.The idol
Number gear driven gear includes that second gear driven gear 22, four keeps off driven gear 30 and six gear driven gears 9.The one gear driven gear
21, the second gear driven gear 22, the four gear driven gear 30 and five gears, 19 empty set of driven gear are in the lower output
On axis 18.The three gears driven gear 13, the six gear driven gear 9 and seven gears, 15 empty set of driven gear are described defeated
On shaft 16.The one gear driving gear 33 is often engaged with the gear driven gear 21, the two gear driving gear 36 and institute
Second gear driven gear 22 to be stated often to engage, the three gear driving gear 34 is often engaged with the three gears driven gear 13, and described four/six
Gear driving gear 37 is often engaged with the four gear driven gear 30 and the six gears driven gear 9, five/seven gears driving gear
35 often engage with the five gear driven gear 19 and the seven gears driven gear 15.
As shown in Figure 1, the upper output gear 8 is fixed on the upper output shaft 16 close to the one of the double clutch
End, the lower output gear 29 are fixed on one end on the lower output shaft 18 close to the double clutch, the differential mechanism 24
It is connected on the parking axis 26, the upper output gear 8, the lower output gear 29 are connected on the differential mechanism 24 simultaneously
Gear often engage, the gear processed often engages on the gear and the parking axis 26 being connected on the differential mechanism 24, described to stay
Vehicle ratchet 25 is connected on the parking axis 26, to output power to wheel.
As shown in Figure 1, double clutch transmission systems 48 further include that one/five gear synchronizer 20, two/tetra- keeps off synchronizer 23, three/seven
Synchronizer 14 and six gear synchronizers 10 are kept off, one/five gear synchronizer 20 is mounted on lower output shaft 18 and is located at described one
Between gear driven gear 21 and the five gears driven gear 19, one/five gear synchronizer 20 is used to control a gear and five gears
In conjunction with or separation；Two/tetra- gears synchronizer 23 is mounted on the lower output shaft 18 and is located at the second gear driven gear
Between 22 and the four gears driven gear 30, two/tetra- gears synchronizer 23 is used to control the combination or separation of second gear and four gears；
Three/seven gears synchronizer 14 is mounted on the upper output shaft 16 and is located at the three gear driven gear 13 and seven gear
Between driven gear 15, three/seven gears synchronizer 14 is used to control the combination or separation of three gears and seven gears；Six gear synchronizes
Device 10 is mounted on the upper output shaft 16 and is located at the side of the six gears driven gear 9, and the six gears synchronizer 10 is used
In combination or separation that control six is kept off.
As shown in Figure 1, double clutch transmission systems 48 further include reverse gear 11 and reverse gear synchronizer 12, it is described to reverse gear
Synchronizer 12 connect with the reverse gear 11 and together empty set on the upper output shaft 16, the reverse gear 11 with it is described
Second gear driven gear 22 often engages, the reverse gear synchronizer 12 be located at the reverse gear 11 and the three gears driven gear 13 it
Between, reverse gear synchronizer 12 reverses gear for controlling.Specifically, reverse gear synchronizer 12 is fixedly connected on reverse gear 11 by wheel hub
Together, reverse gear synchronizer 12 can be combined with three gear driven gears 13, and reverse gear 11 just connects with three gear driven gears 13 at this time
It is connected together and can be rotated together about upper output shaft 16.
Drive device for hybrid vehicle according to the above embodiment of the present invention, interior input shaft 17, outer input shaft 28 are logical
It crosses multiple shift gear groups to be connected with upper output shaft 16, lower output shaft 18, each shift gear group is at least provided with a fixed tooth
Wheel and a free gear, free gear realize two input shafts 17,28 and two by means of synchronizer 20,23,14,10,12
Speed change connection between output shaft 16,18 and parking axis 26.
Specifically, as shown in Figure 1, one/five gear synchronizer 20 be located at one gear driven gear 21 and five gear driven gears 19 it
Between, there is a combined cover that can be moved left and right in one/five gear synchronizer 20.When the combined cover is moved to the left, come from
Differential mechanism 24 can be transferred to through lower output gear 29 by lower output shaft 18 in the power on five/seven gear driving gears 35, it is defeated
Out to parking axis 26.The power mostlys come from from the output shaft 5 in motor and is input to interior input shaft through first clutch 6
17, then it is transmitted to five/seven gear driving gears 35.It is dynamic on a gear driving gear 33 when the combined cover moves right
Power can be transferred to differential mechanism 24, output to parking axis 26 through lower output gear 29 by lower output shaft 18.The power master
It to be input to interior input shaft 17 through first clutch 6 from from the output shaft 5 in motor, then be transmitted to a gear driving gear
33。
Specifically, as shown in Figure 1, two/tetra- gear synchronizers 23 be located at second gear driven gear 22 and four keep off driven gears 30 it
Between, there is a combined cover that can be moved left and right in two/tetra- gear synchronizers 23.When the combined cover is moved to the left, come from
Differential mechanism 24 can be transferred to through lower output gear 29 by lower output shaft 18 in the power in two gear driving gear 36, exported
To parking axis 26.The output shaft 5 that the power mostlys come from motor is input to outer input shaft 28 through second clutch 7,
It is transmitted to two gear driving gear 36.When the combined cover moves right, the power on four/six gear driving gears 37 can be with
By lower output shaft 18, differential mechanism 24, output to parking axis 26 are transferred to through lower output gear 29.The power mainly from
It is input to outer input shaft 28 through second clutch 7 in the output shaft 5 of motor, is transmitted to four/six gear driving gears 37.
Specifically, as shown in Figure 1, three/seven gear synchronizers 14 be located at three gear driven gears 13 and seven gear driven gears 15 it
Between, there is a combined cover that can be moved left and right in three/seven gear synchronizers 14.When the combined cover is moved to the left, come from
Differential mechanism 24 can be transferred to through upper output gear 8 by upper output shaft 16 in the power on five/seven gear driving gears 35, it is defeated
Out to parking axis 26.The output shaft 5 that the power mostlys come from motor is input to interior input shaft 17 through first clutch 6,
It is transmitted to five/seven gear driving gears 35.When the combined cover moves right, the power on three gear driving gears 34 can be with
By upper output shaft 16, differential mechanism 24, output to parking axis 26 are transferred to through upper output gear 8.The power mainly from
It is input to interior input shaft 17 through first clutch 6 in the output shaft 5 of motor, is transmitted to three gear driving gears 34.
Specifically, as shown in Figure 1, six gear synchronizers 10 are located at six gear driven gears, 9 left side, have in six gear synchronizers 10
One combined cover that can be moved right.When the combined cover moves right, the power on four/six gear driving gears 37 can
To be transferred to differential mechanism 24, output to parking axis 26 through upper output gear 8 by upper output shaft 16.The power mainly comes
It is input to outer input shaft 28 through second clutch 7 from the output shaft 5 in motor, is transmitted to four/six gear driving gears 37.
Specifically, as shown in Figure 1, reverse gear synchronizer 12 is located at 11 left side of reverse gear, have one in reverse gear synchronizer 12
A combined cover that can be moved left.When the combined cover is moved to the left, the power on reverse gear 11 can pass through three
Driven gear 13 is kept off, is transferred to interior input shaft 17 through three gear driving gears 34, it at this time can be by the combination of one/five gear synchronizer 20
Set is moved to the left or right, and power is transferred to lower output shaft 18, is most transferred to differential mechanism 24 through lower output gear 29 afterwards, output
To parking axis 26.The output shaft 5 that the power mostlys come from motor is input to outer input shaft 28 through second clutch 7, passes
It is delivered to two gear driving gear 36, then is transferred to reverse gear 11.
Above-mentioned drive device for hybrid vehicle, can be with the multiple-working mode of hybrid vehicle, including starting mould
Formula, low-speed running mode, high speed driving mode, anxious acceleration mode, energy recuperation mode, stopping for charging mode, reversing mode
And double 48 operating modes of clutch transmission system etc., in detail as following.
1, double 48 operating modes of clutch transmission system: transmission control unit 46 adjusts double-clutch speed changer hydraulic control mould
Block 47 controls the impaction state of double clutch and each synchronizer.When the external tooth hub 27 of double clutch is rotated by power drive, become
Fast device control unit 46 controls 27 stressed on friction of external tooth hub of first clutch 6 or second clutch 7 and double clutch, corresponding band
Input shaft 17 or outer input shaft 28 rotate in dynamic.When input shaft rotates, the gear driving gear on axis drives upper output shaft 16
Six gear driven gears 9, reverse gear 11, three keep off the gear driven gear 15 of driven gear 13, seven and five gears of lower output shaft 18 are driven
Gear 19, one keeps off driven gear 21, second gear driven gear 22, four keeps off driven gear 30 and rotates.Meanwhile transmission control unit 46
Six gear synchronizer 10 of control, reverse gear synchronizer 12, three/seven keep off synchronizer 14, one/five and keep off the gear synchronizer 23 of synchronizer 20, two/tetra-
In conjunction with gear driven gear corresponding on output shaft, and then output shaft rotation is driven, and pass through upper output gear 8 or lower output gear
Wheel 29 transfers power to differential mechanism 24, so that the power realizing seven forward gears of double clutch transmission systems 48 and reversing gear is defeated
Out, and the switchings of the transmission system various gears is realized.
2, start-up mode:
The vehicle start-up mode of the hybrid power system is divided into the starting of engine 1 and electrically activates with pure:
A, engine 1 starts: 1 Starting mode of engine of the system does not use traditional starting motor 4, entire car controller
40 detect ignition signal, and sending instructions to transmission control unit 46 starts electronic pump 50, and pressure oil passes through single clutch
The first check valve 52 and two position and four-way reversing valves 51 in hydraulic control module 49 provide oil pressure to single clutch 3, to make list
The internal tooth of clutch 3 and the external tooth hub 32 of single clutch are compressed by friction plate.Persistently oil-filled to accumulator 54 simultaneously, pressure passes
When sensor 55 measures oil pressure and reaches setting range, electronic pump 50 stops working, and single clutch 3 carries out pressure maintaining by accumulator 54；If
When vehicle does not move, when pressure sensor 55 measures the compression oil pressure of single clutch 3 lower than setting range, electronic pump 50 start into
Row ftercompction, when pressure reaches in setting range, electronic pump 50 is turned off.Entire car controller 40 sends instructions to battery management system
System 44 enables high-tension battery 41 export DC high-voltage, and converts three-phase alternating current for DC high-voltage by inverter 43, is
Motor 4 is powered, meanwhile, entire car controller 40, which sends instruction, runs motor 4 to adjust electric machine controller 45.The input of motor
Axis 31 drives the internal tooth of single clutch 3 and the external tooth hub 32 of single clutch to rotate, and then engine 1 is driven to rotate, meanwhile, vehicle
Controller 40, which sends instructions to engine management system 42, enables engine 1 light a fire.After engine 1 starts successfully, by whole
Vehicle controller 40 keeps motor 4 out of service, and double clutch transmission systems 48 are linked into a gear, to realize that engine 1 starts function
Energy.
B, pure to electrically activate: entire car controller 40 sends instructions to battery management system 44, judges the SOC of high-tension battery 41
(state-of-charge) state whether meet it is pure electrically activate, if meeting at the internal tooth of single clutch 3 and the external tooth hub 32 of single clutch
In discrete state, engine 1 is not run.Battery management system 44 enables high-tension battery 41 export DC high-voltage, entire car controller
40 send instructions to electric machine controller 45, and inverter 43 converts three-phase alternating current for DC high-voltage and acts on motor 4, adjust
Electric machine controller 45 runs motor 4, and double clutch transmission systems 48 are linked into a gear, to realize pure electric starting function.
3, low-speed running mode:
When vehicle is run at a low speed, it is divided into 1 operating status of engine, pure electricity operation state and driving condition and exchanges:
A, 1 operating status of engine: when the SOC value of high-tension battery 41 is unsatisfactory for pure electric driving requirements, engine 1 provides dynamic
Power drives vehicle by double clutch transmission systems 48, travels required power according to vehicle, transmission control unit 46 is to double
Clutch speed changer hydraulic control module 47 is adjusted, and controls double clutch transmission systems 48 and carries out gear switching, remains hair
Motivation 1 operates in high-effect section.Transmission control unit 46 is adjusted by control double-clutch speed changer hydraulic control module 47
Sliding wear state when double clutch compresses and synchronous regime when synchronizer combination shift gear, to make pair clutch transmission systems
48 shift is more smooth, and vehicle power output is more steady；Between running on high efficient area always due to engine 1, except drive
The power of vehicle low speed operation, there are also extra power, and motor 4 can be driven to carry out reverse power generation, will be extra by inverter 43
Electric energy is stored in high-tension battery 41.Accumulator 54 and two position and four-way reversing valves 51 are in work shape when 1 operating status of engine
State makes single clutch 3 always in impaction state, when pressure sensor 55 monitors pressure lower than setting range, mechanical pump
57 flows supplement solenoid valve 56 opens the compression oil pressure that the partial discharge of mechanical pump 57 is used to supplement single clutch 3, works as pressure
When sensor 55 monitors that oil pressure is in setting range, 57 flow of mechanical pump supplements solenoid valve 56 and closes, and is carried out by accumulator 54
The pressure of single clutch 3 is kept.
B, pure electricity operation state: when the SOC value of high-tension battery 41 meets pure electric driving requirements, the transmission of entire car controller 40 refers to
It enables to electric machine controller 45, inverter 43 is made to convert three-phase alternating current for high voltage direct current, in conjunction with the control of electric machine controller 45
System runs motor 4, and the power that motor 4 exports realizes the pure electricity traveling of vehicle by double clutch transmission systems 48；According to vehicle row
Sail required power, double-clutch speed changer hydraulic control module 47 is adjusted in transmission control unit 46, control it is double from
It closes transmission system 48 and carries out gear switching, guarantee that motor 4 operates in high efficiency range, pure electricity, which is run at a low speed, avoids engine 1
Repeated priming and the advantages that reduce discharge, especially on the congestions road surface such as urban district, and mileage travelled it is shorter advantage it is more obvious.
C, driving condition exchanges: under the pure electricity operation state of vehicle, if the SOC value of battery is lower than lower threshold, and vehicle control
Device 40 processed sends instructions to engine management system 42 and transmission control unit 46, and sending instruction mends 57 flow of mechanical pump
The magnet valve 56 that charges is opened, and the pressure oil of mechanical pump 57 is distributed by double-clutch speed changer hydraulic module, and partial discharge passes through machinery
It pumps 57 flows supplement solenoid valve 56, second one-way valve 53 and two position and four-way reversing valves 51 and is given to single clutch 3, make single clutch 3
It compresses, after the pressure that pressure sensor 55 monitors single clutch 3 reaches setting range, 57 flow of mechanical pump supplements solenoid valve 56 and closes
It closes, is kept by compaction pressure of the accumulator 54 to single clutch 3, while controlling the starting of engine 1, and then be converted to and start
Machine 1 carries out power output, and entire car controller 40 sends instructions to electric machine controller 45, enables the no longer output power of motor 4.Meanwhile
Engine 1 export excess power drive motor 4 generate electricity, by inverter 43 by electric energy be stored in high-tension battery 41 into
Row charging, when pressure sensor 55 monitors the compaction pressure of single clutch 3 lower than setting range, 57 flow of mechanical pump supplement electricity
Magnet valve 56 is opened, and mechanical pump 57 carries out supplement pressure to accumulator 54, restores the compaction pressure of single clutch 3 to setting model
It encloses.If battery management system 44 monitors to stop charging, full-vehicle control when the SOC value of high-tension battery 41 is more than charging upper limit threshold value
Device 40 sends instructions to engine management system 42, transmission control unit 46, electric machine controller 45 and battery management system 44,
Transmission control unit 46 coordinates the electric current of two position and four-way reversing valves 51 and 57 flow of mechanical pump supplement solenoid valve 56, makes isolated conjunction
3 sliding wear of device is simultaneously gradually disengaged, and controlling battery management system 44 and sending to instruct makes battery offer direct current supply electricity to inverter 43, motor
Direct current is converted to three-phase alternating current and inputs to motor 4 by the control inverter 43 of controller 45, and engine management system 42 is sent
Instruction makes engine 1 stop working, to be switched to pure electricity operation mode again.By adjusting single clutch hydraulic control module 49
It can control sliding wear state when single clutch 3 is compressed and separated, and electronic pump 50 and mechanical pump 57 can be absorbed in accumulator 54
Pressure fluctuation, two position and four-way reversing valves 51 caused compression shock in commutation process can be mitigated, to make 1 He of engine
4 torque smooth control of motor is intervened and is exited, and guarantees the stability of vehicle power output.
4, high speed driving mode:
When driving, engine 1 provides major impetus and drives vehicle vehicle high speed, and the control of engine management system 42 is started
Machine 1 is run between high efficient area always；According to vehicle demand power, entire car controller 40 passes through control engine management system 42
Coordinate the work of engine 1 and motor 4 with motor control unit.Accumulator 54 and two position and four-way reversing valves 51 when high speed mode
It is in running order, make single clutch 3 always in impaction state, when pressure sensor 55 monitors pressure lower than setting range
When, 57 flow of mechanical pump supplement solenoid valve 56 opens the compression oil that the partial discharge of mechanical pump 57 is used to supplement single clutch 3
Pressure, when pressure sensor 55 monitors that oil pressure is in setting range, 57 flow of mechanical pump supplements solenoid valve 56 and closes, by accumulation of energy
The pressure that device 54 carries out single clutch 3 is kept.High speed mode is divided into even running, even running and charging and hybrid power is defeated
Out:
A, vehicle even running: engine 1 run on the power that high-effect section is exported meet vehicle operation it is required
When power, whole power that engine 1 exports are through single clutch 3, motor 4, double clutch transmission systems 48 to wheel, engine 1
Output power is entirely used for vehicle driving.
B, vehicle even running and charging: engine 1 runs on the power that high-effect section is exported and runs greater than vehicle
When required power, the Partial Power that engine 1 exports is used through single clutch 3, motor 4, double clutch transmission systems 48 to wheel
Needed for meeting vehicle and driving；Extra power generates electricity through motor 4 and charges to high-tension battery 41.
C, hybrid power exports: it is required less than vehicle operation that engine 1 runs on the power that high-effect section is exported
When power, whole power that engine 1 exports carry out vehicle through single clutch 3, motor 4, double clutch transmission systems 48 to wheel
Driving；Also the double clutch transmission systems 48 of output power warp carry out driving auxiliary to wheel to motor 4 simultaneously；
Since the double clutch transmission systems 48 of wet type can realize the switching of seven gears, output can be continuously adjusted to wheel end
Power.When vehicle high speed is run, required power is larger and is always in variation, so the real-time root of entire car controller 40
According to the required power of vehicle, the switching that transmission control unit 46 adjusts double 48 gears of clutch transmission system is controlled, to protect
When card engine 1 is provided separately power or provides power jointly with motor 4, engine 1 can remain at high efficiency range fortune
Row, to reach the purpose of reducing energy consumption and improving driving pleasure.
5, anxious to accelerate mode: when engine 1 is driven, when carrying out anxious give it the gun if you need to the output of more torques, electricity
Pond management system 44, which sends instruction, makes 41 motor 4 of high-tension battery provide three-phase alternating current, and electric machine controller 45 controls motor 4 and transports
Row, to realize the simultaneously output power in parallel with engine 1 of motor 4, transmission control unit 46 also while sending instruction and makes pair
Clutch transmission system 48 switches to suitable gear, to realize that the power that engine 1 and motor 4 export meets vehicle acceleration need
It asks.In this course, since vehicle is in operating status, single clutch 3 needs to compress, therefore 54 He of accumulator under the mode
Two position and four-way reversing valves 51 are in running order, press single clutch 3 in impaction state, by pressure sensor 55 always
Power detection, 57 flow of mechanical pump supplement solenoid valve 56 carry out flow supplement.
6, energy recuperation mode: when vehicle deceleration, braking or hypervelocity deceleration (counter to drag), the control of engine management system 42 is sent out
Motivation 1 is out of service, and the internal tooth that transmission control unit 46 controls single clutch 3 is separated with the external tooth hub 32 of single clutch, this
When engine 1 and motor 4 be not providing power, electric machine controller 45 adjusts motor 4 and is used as generator, by vehicle braking, slows down
The mechanical energy that Shi Youshuan clutch transmission system 48 is transmitted to the output shaft 5 of motor is converted to alternating current, and passes through 43 turns of inverter
Direct current is turned to store into high-tension battery 41.
7, stopping for charging mode: vehicle stop and engine 1 still at runtime, transmission control unit 46 control accumulator
54 and two position and four-way reversing valve 51 it is in running order, make single clutch 3 internal tooth and single clutch external tooth hub 32 friction press
Tightly, when pressure sensor 55, which monitors oil pressure, is lower than setting range, electronic pump 50 is actuated for the oil pressure supplement of single clutch 3,
When pressure sensor 55 monitors that oil pressure is in setting range, electronic pump 50 is closed, and carries out single clutch 3 by accumulator 54
Pressure keep, while the external tooth hub 27 of first clutch 6 and second clutch 7 and double clutch be in non-model control compression shape
State；1 power of engine is not delivered to double clutch transmission systems 48, but power is transmitted to the defeated of motor through wet type single clutch
Enter axis 31, power is converted into alternating current by motor 4, and is converted into direct current by inverter 43, and then fill to high-tension battery 41
Electricity.
8, reversing mode:
The vehicle reversing mode of the hybrid dynamic system is divided into pure electricity reversing and engine 1 is moved backward:
A, pure electricity reversing: power needed for moving backward is low, and the SOC value of high-tension battery 41 is met the requirements, and pure electricity can be used and carry out
Reversing.Entire car controller 40 enables the reversion operation of motor 4 by controlling electric machine controller 45, is referred to by transmission control module transmission
Order makes the internal tooth of single clutch 3 and the external tooth hub 32 of single clutch be in discrete state, the not output power of engine 1；Meanwhile becoming
Fast device control module makes 27 stressed on friction of external tooth hub of first clutch 6 Yu double clutch, and control one/five gear synchronizer 20 with
First gear is synchronous to be combined, so that the Reverse Power of motor 4 realizes the pure electric car-backing function of a gear through double clutch transmission systems 48.
B, engine 1 is moved backward: if entire car controller 40 diagnoses the drive device for hybrid vehicle and can not carry out pure electricity
Reversing, then transmission control module, which sends instruction, compresses single clutch 3, makes 1 output power of engine, electric machine controller 45 makes
The not output power of motor 4；Transmission control module is switched to double clutch transmission systems 48 to reverse gear simultaneously, to realize engine
1 car-backing function.In this course, since vehicle is in operating status, single clutch 3 needs to compress, therefore stores under the mode
Energy device 54 and two position and four-way reversing valves 51 are in running order, make single clutch 3 always in impaction state, by pressure sensor
55 carry out pressure detecting, 57 flow of mechanical pump supplement solenoid valve 56 carries out flow supplement.
By above description it is found that bring beneficial effect of the present invention is:
1, engine 1 can realize quick start.Single clutch 3, transmission control list are added between engine 1 and motor 4
Member 46 is adjusted isolated by control electronic pump 50 and 57 pressure oil output of mechanical pump by single clutch hydraulic control module 49
Clutch 3 compress and discrete state, and then control engine 1 intervention with exit.When needing engine 1 to be started, becoming
Under fast device control unit 46 controls, the pressure oil that electronic pump 50 exports makes single clutch by single clutch hydraulic control module 49
3 compress, and drive engine 1 by motor 4, realize the effect of quick start engine 1, and reduce using conventional engine 1
Start the cost of motor 4；Meanwhile the system has rapid start and stop function in the of short duration parking of vehicle.For example engine operation mode
Under, when of short duration parking, engine 1 is out of service, since single clutch hydraulic control module 49 is able to maintain the compression of single clutch 3
Pressure, if you need to continue when driving, motor 4 can be such that engine 1 starts rapidly as starter.
2, torque couple is steady in vehicle operational process, long service life of electronic pump 50.In the operation of pure electrician's condition, such as
If desired when engine 1 is intervened, entire car controller 40 sends instructions to transmission control unit 46, and 57 flow of mechanical pump is enabled to supplement
Solenoid valve 56 is opened, and the partial discharge that mechanical pump 57 exports supplements solenoid valve 56, second one-way valve 53 by 57 flow of mechanical pump,
Using the adjusting of two position and four-way reversing valves 51, realize that the sliding wear that single clutch 3 compresses is adjusted, to guarantee 1 torque of engine
The ride comfort of intervention, shake when preventing torque from intervening suddenly, when the compression oil pressure of single clutch 3 reaches pressure sensor 55
When setting range, 57 flow of mechanical pump supplements solenoid valve 56 and closes, and accumulator 54 protects the compression oil pressure of single clutch 3
It holds, when oil pressure is lower than the setting range of pressure sensor 55,57 flow of mechanical pump supplements solenoid valve 56 and opens, and mechanical pump 57 is given
Single clutch 3 carries out oil pressure compensation, when the setting range of pressure recovery to pressure sensor 55,57 flow of mechanical pump supplement electricity
Magnet valve 56 is closed, and accumulator 54 continues to keep the compression oil pressure of single clutch 3, since accumulator 54 has absorption pump
Pressure fluctuation and the effect for mitigating compression shock caused by electromagnetic valve switch, and two position and four-way reversing valves 51 are proportion pilot electromagnetism
Valve, so 3 cohesive process of single clutch is than milder, to improve the stationarity of torque couple in vehicle operational process.Start
After machine 1 is intervened, since the accumulator 54 in single clutch hydraulic control module 49 is able to maintain the compaction pressure of single clutch 3, and
55 real-time monitoring oil pressure of pressure sensor, such as oil pressure deficiency, 57 flow of mechanical pump supplements solenoid valve 56 and starts, and mechanical pump 57 is defeated
Partial discharge out is used to supplement the compression oil pressure of single clutch 3, does not need electronic pump 50 and works, to improve electronic pump
50 service life.
3, integration is good, occupied space is few, and the running part of the drive device for hybrid vehicle is using double clutch speed-changings
Device, is added motor 4 between speed changer and engine 1 and single clutch 3 realizes parallel hybrid power, this hybrid power framework base
It is minimum to the change of vehicle component and power assembly in traditional power, convenient for exploitation and integrate；Meanwhile the hybrid vehicle
Driving device is based on double-clutch speed changer, and electronic pump 50 and single clutch hydraulic control module 49 are integrated in double-clutch speed changer
In, transmission oil is shared with double-clutch speed changer, reduces development cost, structure is simple and integrated level is higher；The liquid of single clutch 3
Voltage-controlled liquefaction road is exported through single clutch hydraulic control module 49, and the cage connection through case of transmission oil duct, then through motor 4 is extremely
The oil duct of single clutch 3；49 structure of single clutch hydraulic control module is simple, and single clutch 3 makes convenient for being integrated in motor 4
Axial demand space is shorter, and is more advantageous to integrated.
4, fuel economy is good, and the output power of the hybrid vehicle, output torque are respectively engine 1 and motor 4
Power, the sum of torque, coordinated according to output power of the vehicle demand power to engine 1 and motor 4, both meet vehicle
Dynamic property, and engine 1 and motor 4 is made to operate in high efficiency range always to meet the economy of vehicle；Meanwhile the mixing is dynamic
The running part of power vehicle drive unit uses double-clutch speed changer, in the common drive of engine 1, the independent driving of motor 4 or both
When dynamic vehicle, since double clutch transmission systems 48 have seven gears, torque span is big, can carry out to vehicle output torque real
When adjust, thus remain engine 1 and motor 4 work in high efficiency range, to guarantee the fuel economy of vehicle.
5, the hybrid vehicle energy recuperation mode is more, when 1 operational mode of engine, since engine 1 is run always
In high efficiency range, extra power output generates electricity to motor 4, and the electric energy of generation is reversely stored in high-tension battery 41,
It or by electric energy is directly that vehicle power grid is powered；When vehicle slows down or brakes, motor 4 can carry out slowing down and braking energy returns
It receives；Vehicle parking engine 1 is when still running, and so that motor 4 is carried out reverse charging and is stored in high-tension battery 41 or is directly vehicle
Power grid is powered.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of drive device for hybrid vehicle characterized by comprising
Engine；
Single clutch, electronic pump and single clutch hydraulic control module, external tooth hub and the engine of the single clutch
Axis connection is exported, is passed through between the external tooth hub of the electronic pump, the single clutch hydraulic control module and the single clutch
Oil circuit is sequentially connected, and the pressure oil of the electronic pump is distributed by the isolated conjunction hydraulic control module to the single clutch
Oil duct；
The integrated motor with the single clutch, the input shaft of the motor are connect with the internal tooth of the single clutch；
Double clutch transmission systems, the output axis connection of double clutch transmission systems and the motor.
2. drive device for hybrid vehicle according to claim 1, it is characterised in that: the hybrid vehicle driving
Device further includes mechanical pump and double-clutch speed changer hydraulic control module, the mechanical pump, the hydraulic control of the double-clutch speed changer
It is sequentially connected between molding block and the single clutch hydraulic control module by oil circuit, the pressure oil of the mechanical pump passes through institute
Double-clutch speed changer hydraulic control module is stated to distribute to the oil duct of the single clutch.
3. drive device for hybrid vehicle according to claim 2, it is characterised in that: the single clutch hydraulic control
Module includes two position and four-way reversing valves, the first check valve, accumulator and pressure sensor, and the electronic pump, described first are unidirectionally
Valve and two position and four-way reversing valve are sequentially connected by oil circuit, and two position and four-way reversing valve passes through oil circuit and the isolated conjunction
The oil duct of device connects, and the accumulator and the pressure sensor connect the oil circuit branch to be formed and be connected to first check valve
Between two position and four-way reversing valve.
4. drive device for hybrid vehicle according to claim 3, it is characterised in that: the single clutch hydraulic control
Module further includes second one-way valve and mechanical pump supplement flow control valve, and mechanical pump supplement flow control valve one end passes through oil
Road is connect with the double-clutch speed changer hydraulic control module, and the other end connect the oil circuit branch to be formed with the second one-way valve
It is connected between first check valve and two position and four-way reversing valve.
5. drive device for hybrid vehicle according to claim 1, it is characterised in that: double clutch transmission system packets
It includes:
Double clutch, the external tooth hub of the double clutch and the output axis connection of the motor；
Interior input shaft and outer input shaft, the interior input shaft are connect with the first clutch of the double clutch, the outer input
Axis is connect with the second clutch of the double clutch；
Odd number keeps off driving gear and even number keeps off driving gear, and the odd number gear driving gear is set on the interior input shaft, described
Even number keeps off driving gear and is set on the outer input shaft；
Upper output shaft, lower output shaft, odd number gear driven gear and even number keep off driven gear, the odd number gear driven gear and even number
Driven gear empty set is kept off on the upper output shaft and the lower output shaft.
6. drive device for hybrid vehicle according to claim 1, it is characterised in that: the hybrid vehicle driving
Device further include entire car controller and with the entire car controller is connect by signal respectively engine management system, cell tube
Reason system, electric machine controller and transmission control unit；The transmission control unit respectively with the electronic pump, described isolated
Clutch hydraulic control module, the mechanical pump and the double-clutch speed changer hydraulic control module are connected by signal.
7. a kind of hybrid vehicle drive control method, it is characterised in that: entire car controller sends instructions to engine management
System, battery management system, electric machine controller and transmission control unit, the engine management system control the engine
Operating status, the battery management system is motor power supply, and the electric machine controller controls the operation shape of the motor
State, the transmission control unit start the electronic pump and adjust the single clutch hydraulic control module, control the list
The impaction state of clutch.
8. hybrid vehicle drive control method according to claim 7, it is characterised in that: when engine start, institute
It states transmission control unit and starts the electronic pump, the pressure oil of the electronic pump passes through first check valve and two described
Four-way reversing valve provides oil pressure for the single clutch, compresses the internal tooth of the single clutch and the external tooth of the single clutch
Hub, at the same it is persistently oil-filled to the accumulator；The starting of pressure sensor electronic pump according to the oil pressure cntrol measured
Or it closes；After the engine start success, the electronic pump stops working, and the accumulator continues to keep the single clutch
Compaction pressure.
9. hybrid vehicle drive control method according to claim 7, it is characterised in that: pure electrician's condition is to engine
When change working, the transmission control unit opens the mechanical pump discharge and supplements solenoid valve, the pressure oil of the mechanical pump
By the distribution of the double-clutch speed changer hydraulic control module, partial discharge by the mechanical pump discharge supplement solenoid valve,
The second one-way valve and two position and four-way reversing valve provide oil pressure for the single clutch, compress the interior of the single clutch
The external tooth hub of tooth and the single clutch；Pressure sensor machinery pump discharge according to the oil pressure cntrol measured supplement electricity
Magnet valve opens or closes；The engine management system controls engine start, and the electric machine controller controls the motor
Stop power output, the machinery pump discharge supplement solenoid valve is closed, and the accumulator continues to keep the pressure of the single clutch
Compaction forces.
10. hybrid vehicle drive control method according to claim 7, it is characterised in that: engine operating condition is to pure
When electric change working, the transmission control unit coordinates two position and four-way reversing valve and the mechanical pump discharge supplements electromagnetism
The electric current of valve makes the single clutch sliding wear and is gradually disengaged.
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