CN110450620A - A kind of the parallel-axis type hybrid power system and its control method of low cost - Google Patents
A kind of the parallel-axis type hybrid power system and its control method of low cost Download PDFInfo
- Publication number
- CN110450620A CN110450620A CN201910700848.8A CN201910700848A CN110450620A CN 110450620 A CN110450620 A CN 110450620A CN 201910700848 A CN201910700848 A CN 201910700848A CN 110450620 A CN110450620 A CN 110450620A
- Authority
- CN
- China
- Prior art keywords
- motor
- clutch
- gear group
- gear
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
-
- 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
-
- 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
- B60W20/20—Control strategies involving selection of hybrid configuration, e.g. selection between series or parallel configuration
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (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 its control method of a kind of low cost are specifically disclosed, which includes engine (1), first clutch (2), first gear group (3), accessory drive gear group (4), accessory drive (5), second clutch (6), low-pressure machinery attachment (7), second gear group (8), rear-end gear reduction (7), first motor (12), the second motor (10), power battery (13) and inverter (14).Parallel-axis type hybrid power system of the invention is applied to longitudinal rear driving mixed power automobile, with compact-sized, control is simple, it is able to use the low-pressure machinery attachment of conventional fuel oil vehicle, reduce hybrid vehicle integral vehicle cost and complete-vehicle oil consumption, not and the advantages that not working time-division luxuriant clutch C1 in engine, preventing engine towing astern.
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.Moreover, mixing
Power vehicle compares conventional fuel oil vehicle, needs to increase motor, electric-control system, power battery etc., in addition, since engine is frequent
It shuts down, it is therefore desirable to by traditional low pressure accessory replacing be electric attachment, this significantly improves the production cost of vehicle.Therefore, it sends out
Bright people develops a kind of parallel-axis type hybrid power system of low cost, solves the above problems.
Summary of the invention
It can solve when hybrid vehicle cost is excessively high, engine does not work and be in the object of the present invention is to provide one kind
The problems such as towing astern state, gives full play to the ability of each power source, has multiple drive modes, realizes the string for reducing oil consumption and discharge
Parallel architecture hybrid power system.
In order to achieve the above object, the first aspect of the present invention is to provide a kind of parallel-axis type hybrid power system of low cost
System, including it is engine, first clutch, first gear group, accessory drive gear group, accessory drive, second clutch, low
Press mechanical pressing attachment, 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 attachment passes
Dynamic device is connect by the accessory drive gear group with the first motor, the accessory drive and the low-pressure machinery
Attachment connection；
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 input terminal of the accessory drive gear group with
The first gear wheel engagement；The second clutch couples the wheel shaft of first gear wheel and the wheel of second pinion gear
Axis；The first motor couples the wheel shaft of first pinion gear, and second motor couples the wheel shaft of second gear wheel；
The wheel shaft of second pinion gear passes through transmission shaft output power to the rear-end gear reduction.Wherein, accessory drive gear group
It closes first gear group and shares a gear wheel, simplify structure, and attachment can be driven by the first gear wheel in first motor
Driving gear set.
Further, the parallel-axis type hybrid power system further includes gear box, the first clutch, first
Gear set, accessory drive gear group, second clutch, second gear group, first motor and the second motor are all integrated in the change
In fast box body.The design of integration mode can facilitate the installation and arrangement of whole system.Accessory drive and low-pressure machinery are attached
Part is all disposed within the outside of gear box, and is located at the same side, and the two is sequentially connected by belt.
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 control method of the parallel-axis type hybrid power system of above-mentioned low cost, special
Sign is, including following operating mode: the pure electric drive mode of single motor, the pure electric drive mode of bi-motor, series hybrid-power drive
Dynamic model formula 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 does not work, and first motor drives low-pressure machinery attachment, and automobile is individually driven by second motor
Dynamic, the driving force of two motors is provided by power battery, and this operating mode is electric-only mode, is suitable for automobile in power
It is run when battery capacity abundance and the driving cycle of demand torque smaller (start to walk, move backward or run at a low speed)；
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 by the first motor and second motor driven, simultaneously
First motor drives low-pressure machinery attachment by accessory drive gear group and accessory drive, and two motors are by the power electric
Pond provides power, and this operating mode is electric-only mode, and two motors drive simultaneously, is suitable for automobile in large torque demand
It is run when driving cycle；
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, and then a part of power passes through described first
Gear set supplies power to first motor power generation, and another part kinetin accessory drive gear group and accessory drive driving are low
The work of press mechanical pressing attachment；The electric energy that first motor is issued is supplied to the second motor, and automobile is by the second motor driven, extra electric energy
Give the power battery charging by the inverter, this operating mode be suitble to battery SOC (State of Charge, it is charged
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 the power of the engine is in addition to needing to drive
Outside dynamic low-pressure machinery attachment, engine power a part passes through the first clutch and the second clutch, with mechanical road
Diameter is transferred to wheel, and another part is transferred to the first motor by the first clutch and the first gear group, leads to
It crosses first motor and converts electric energy for mechanical energy, second motor and the engine is driven to drive vehicle driving jointly, this
Kind operating mode is suitble to run when automobile high power requirements operating condition.
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 drives low-pressure machinery attachment, and excess power all by above-mentioned first clutch and second clutch, is passed with mechanical path
It is delivered to wheel, drives vehicle driving.This mode is suitble to automobile high-speed operating condition and power battery SOC higher operating condition.
Further, above-mentioned control method further includes feedback braking mode: automobile in this mode operation, described first from
All in opening state, the engine does not work for clutch and second clutch, and first motor is passed by first gear group, attachment
Moving gear group, accessory drive drive low-pressure machinery attachment, and mechanical energy is converted electric energy by second motor, using institute
It states inverter to be stored in the power battery, this operating mode is suitble to run when automobile brake operating condition.
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, some engine power
For driving low-pressure machinery attachment to operate, this operating mode is suitble to auto idle speed operating condition and the lower feelings of power battery SOC
Condition.
In a specific embodiment, the control of the parallel-axis type hybrid power system of a kind of low cost according to the present invention
Method includes the pure electric drive mode of above-mentioned single motor, the pure electric drive mode of bi-motor, series hybrid-power drive mode, simultaneously
Join hybrid power drive mode, engine drive mode, feedback braking mode and parking this seven kinds of operating modes of power generation mode, dress
The automobile of the standby 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；
Hybrid power system of the invention continues to use the low-pressure machinery attachment on fuel vehicle, passes through accessory drive, accessory drive
Gear set and first gear group are driven, and when engine is shut down, also can mechanically be driven by first motor, significantly
Reduce cost of the mixed dynamic power vehicle by low-pressure machinery accessory replacing for electric attachment；
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, a kind of parallel-axis type hybrid power system of low cost of the present embodiment, including engine 1, first
Clutch 2, first gear group 3, accessory drive gear group 4, accessory drive 5, second clutch 6, low-pressure machinery attachment 7,
Second gear group 8, rear-end gear reduction 9, first motor 12, the second motor 10, gear box 11, power battery 13 and inversion
Device 14.
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 6 couples with second gear group 8, and second gear group 8 couples with rear-end gear reduction 9.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 8 is train of reduction gears, packet
Include the second gear wheel being meshed and the second pinion gear.First motor 12 couples with first gear group 3, the second motor 10 with it is described
Second gear group 8 couples.Specifically, first clutch 2 couples the first gear wheel of engine 1 and speed increasing gear group, and attachment passes
The input terminal of moving gear group 4 is engaged by gear with the first gear wheel, i.e., accessory drive gear group 4 and first gear group 3 share
One gear wheel；Second clutch 6 couples the wheel shaft of the first gear wheel of speed increasing gear group and the second small tooth of train of reduction gears
The wheel shaft of wheel；First motor 12 couples the wheel shaft of the first pinion gear of speed increasing gear group, and the second motor 10 couples train of reduction gears
The second gear wheel wheel shaft；The wheel shaft of second pinion gear of train of reduction gears passes through transmission shaft output power to the main deceleration of rear axle
Device 9.
In the present embodiment, first clutch 2, first gear group 3, accessory drive gear group 4, second clutch 6, second
Gear set 8, first motor 12 and the second motor 10 are all integrated in the gear box 11, the output shaft of gear box 11
By transmission shaft output power to rear-end gear reduction 9, power is transferred on wheel by rear-end gear reduction 9.Accessory drive dress
Set 5 and low-pressure machinery attachment 7 be mounted on gear box 11 the same side and by belt be sequentially connected.
Wherein, first motor 12 and the second motor 10 after circuit in parallel with inverter 14 by being electrically connected, inverter 14
It is electrically connected with the power battery 10.In the present embodiment, between first motor 12 and the second motor 10, inverter 14 and power
It is connected by high-voltage wiring harness between battery 10.
In the present embodiment, first clutch 2 and second clutch 6 are arranged in co-axial alignment.And further, first clutch
2 and second clutch 6 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 6 are all closed, the power of engine 1 is not required to
Rear-end gear reduction 9 can be transferred to by changing direction.
It describes in detail below to the control method of the present embodiment parallel-axis type hybrid power system.
It should be noted that parallel-axis type hybrid power system of the invention is applied to longitudinal rear driving mixed power automobile,
The hybrid vehicle further includes electric-control system, high voltage power supply and low-pressure machinery accessory system interconnected.The present invention
Parallel-axis type hybrid power system be mainly used for driving vehicle and low-pressure machinery attachment.
According to different vehicle working conditions, the parallel-axis type hybrid power system of the present embodiment has the pure electric drive mould of single motor
The pure electric drive mode of formula, bi-motor, series hybrid-power drive mode, parallel hybrid power drive mode, engine driving mould
This seven kinds of operating modes of formula, feedback braking mode and stopping for charging mode, the automobile for equipping the hybrid power system can be according to row
Operating condition is sailed, operating mode is automatically switched.
Fig. 2 is the energy transmission route schematic diagram of the pure electric drive mode of single motor, when 13 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 6 are all opened, 12 work of first motor
Make, low-pressure machinery attachment 7 is driven by first gear group 3, accessory drive gear group 4 and accessory drive 5；Meanwhile second
Motor 10 works, the electrical power of power battery 13 by driving the second motor 10 to be converted into mechanical energy, by second gear group 8,
Rear-end gear reduction 9 etc. is transmitted to wheel, drives vehicle driving.Under this mode, the power of first motor 12 and the second motor 10
All provided by power battery 13.
Fig. 3 is the energy transmission route schematic diagram of the pure electric drive mode of bi-motor, when 13 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 6 is closed, the
One motor 12 and the second motor 10 work at the same time, and the electrical power of power battery 13 is converted into mechanical energy by two motors, and leads to
It crosses first gear group 3, second gear group 8, rear-end gear reduction 9 etc. and is transmitted to wheel, drive vehicle driving.Meanwhile low-pressure machine
Tool attachment 7 operates under the driving of first motor 12.
Fig. 4 is the energy transmission route schematic diagram of series hybrid-power drive mode, when 13 not enough power supply of power battery and
When speed is lower, first clutch 2 is closed, and second clutch 6 is opened, and engine 1 is started by the first motor 12 first, so
A part of power of engine 1 is for driving except low-pressure machinery attachment 7 afterwards, and another part power is through first clutch 2, first
Gear set 3 is converted into electric energy by first motor 12, and the electric energy a part issued is converted into machinery by the second motor 10
Can, then wheel is transmitted to by second gear group 8, rear-end gear reduction 9 etc., vehicle driving is driven, another part electric energy passes through
Inverter 14 is stored in power battery 13.
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 6 be closed at, engine 1, first motor 12 and the second motor 10 work at the same time, and the power of engine 1 removes
Except driving the low-pressure machinery attachment 7 to work by accessory drive gear group 4 and accessory drive 5, a part of power
It is transmitted to wheel through first clutch 2, second clutch 6, rear-end gear reduction 9, drives vehicle driving, another part is through first
Clutch 2, first gear group 3 are converted into electric energy by first motor 12, provide electric energy to the second motor 10 and engine 1 is total
With driving vehicle, dump energy is stored in power battery 13 by inverter 14.
Fig. 6 is the energy transmission route schematic diagram of engine drive mode, when speed is higher or power battery 13 occurs
When failure, first clutch 2 and second clutch 6 are closed at, and engine 1 works, and first motor 12 and the second motor 10 are empty
Turn, the power of engine 1 is in addition to for other than driving low-pressure machinery attachment 7, excess power to be all through first clutch 2, second
Clutch 6, rear-end gear reduction 9 are transmitted to wheel, drive 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 6, engine 1 does not work, first motor 8 by first gear group 3, accessory drive gear group 4,
Accessory drive 5 drives the low-pressure machinery attachment 7；The mechanical energy of vehicle braking passes through rear-end gear reduction 9, second gear
8 transmitting of group converts electric energy for mechanical energy through the second motor 10, then is stored into power battery 13 by inverter 14.
Fig. 8 is the energy transmission route schematic diagram of stopping for charging mode, and in such a mode, first clutch 2 is closed, second
Clutch 6 is opened, and engine 1 and first motor 12 work, and the second motor 10 does not work, and engine 1 is first by first motor 12
Starting, power a part of engine 1 are converted mechanical energy through first motor 12 by first clutch 2, first gear group 3
It for electric energy, then is stored into power battery 13 by inverter 14, another part passes through accessory drive gear group 4 and accessory drive
Device 5 drives low-pressure machinery attachment 7 to work.This mode is suitble to auto idle speed operating condition and the lower situation of power battery SOC.
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 low cost, which is characterized in that including engine (1), first clutch
(2), first gear group (3), accessory drive gear group (4), accessory drive (5), second clutch (6), low-pressure machinery are attached
Part (7), second gear group (8), rear-end gear reduction (7), first motor (12), the second motor (10), power battery (13) and
Inverter (14)；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 (6) with the second gear group (8), the second gear group (8) and the rear axle master
Retarder (9) connection；
The first motor (12) couples with the first gear group (3), second motor (10) and the second gear group
(8) couple；The accessory drive (5) is connect by the accessory drive gear group (4) with the first motor (12), institute
Accessory drive (5) is stated to connect with the low-pressure machinery attachment (7)；
The first motor (12) and second motor (10) are electrically connected after passing through circuit in parallel with the inverter (14),
The inverter (14) and the power battery (13) are electrically connected.
2. a kind of parallel-axis type hybrid power system of low cost according to claim 1, which is characterized in that described first
Clutch (2) and the second clutch (6) arranged in co-axial alignment.
3. a kind of parallel-axis type hybrid power system of low cost according to claim 1 or 2, it is characterised in that:
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 (8) 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, the accessory drive gear group (4)
Input terminal engaged with first gear wheel；The second clutch (6) couples the wheel shaft of first gear wheel and described
The wheel shaft of second pinion gear；The first motor (12) couples the wheel shaft of first pinion gear, the second motor (10) connection
Connect the wheel shaft of second gear wheel；The wheel shaft of second pinion gear passes through transmission shaft output power to the main deceleration of the rear axle
Device (9).
4. a kind of parallel-axis type hybrid power system of low cost according to claim 1 or 2, which is characterized in that described
Parallel-axis type hybrid power system further includes gear box (11), the first clutch (2), first gear group (3), second
Clutch (6), second gear group (8), accessory drive gear group (4), the first motor (12) and second motor (10)
It is all integrated in the gear box (11), the accessory drive (5) and the low-pressure machinery attachment (7) are fixed on institute
State the outside of gear box (11).
5. a kind of parallel-axis type hybrid power system of low cost according to claim 4, which is characterized in that the attachment
Transmission device (5) and the low-pressure machinery attachment (7) are located at the same side and are sequentially connected by belt.
6. a kind of parallel-axis type hybrid power system of low cost according to claim 1, which is characterized in that described first
Pass through high pressure between motor (12) and second motor (10), between the inverter (14) and the power battery (13)
Harness connection.
7. the control method of the parallel-axis type hybrid power system of -6 any low costs according to claim 1, feature
It is, including following operating mode: the pure electric drive mode of single motor, the pure electric drive mode of bi-motor, series hybrid-power driving
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
(6) all in opening state, the engine (1) does not work, and the low-pressure machinery attachment (7) is logical by the first motor (12)
The accessory drive gear group (4) and the accessory drive (5) driving are crossed, automobile is driven by second motor (10),
Two motors provide power by the power battery (13)；
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 (6) is in closed state, and the engine (1) does not work, and automobile is by the first motor (12) and described
Two motors (10) driving, while the first motor (12) is filled by the accessory drive gear group (4) and the accessory drive
It sets (5) and drives the low-pressure machinery attachment (7), two motors provide power by the power battery (13)；
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 (6), the engine (1) is started by the first motor (12) first, and then one
Sub-power supplies power to first motor (12) power generation by the first gear group (3), and another part power is by described attached
Part driving gear set (4) and the accessory drive (5) drive low-pressure machinery attachment (7) work；The first motor
(12) electric energy issued is supplied to second motor (10) for driving automobile, and extra electric energy passes through the inverter (14)
It charges to the power battery (13)；
Parallel hybrid power drive mode: automobile is in this mode operation, the first clutch (2) and the second clutch
(6) all in closed state, the engine (1), first motor (12) and the second motor (10) are worked at the same time, the engine
(1) power by the accessory drive gear group (4) and the accessory drive (5) in addition to driving the low-pressure machinery attached
Except part (7) work, a part passes through the first clutch (2) and the second clutch (6), is transferred to mechanical path
Wheel, another part are transferred to the first motor (12) by the first clutch (2) and the first gear group (3),
Electric energy is converted by mechanical energy by first motor (12), second motor (10) and the engine (1) is driven to drive jointly
Dynamic vehicle driving.
8. the control method of the parallel-axis type hybrid power system of low cost according to claim 7, which is characterized in that also
Including engine drive mode: automobile in this mode operation, the first clutch (2) and second clutch (6) all in
Closed state, the engine (1) work, the first motor (12) and the second motor (10) dally, engine power in addition to
Drive except the low-pressure machinery attachment (7), excess power all by the first clutch (2) and second clutch (6),
It is transmitted to wheel with mechanical path, drives vehicle driving.
9. the control method of the parallel-axis type hybrid power system of low cost according to claim 7, which is characterized in that also
Including feedback braking mode: for automobile in this mode operation, the first clutch (2) and second clutch (6) are all in beating
Open state, the engine (1) do not work, and the first motor (8) passes through first gear group (3), accessory drive gear group
(4), accessory drive (5) drives the low-pressure machinery attachment (7), and mechanical energy is converted electricity by second motor (10)
Can, it is stored in the power battery (13) using the inverter (14).
10. the control method of the parallel-axis type hybrid power system of low cost according to claim 7, which is characterized in that
Further include parking power generation mode: for automobile in this mode operation, the first clutch (2) is in closed state, and described second
Clutch (6) is in the open state, and the engine (1) and first motor (12) work, second motor (10) do not work,
The engine (1) is started by the first motor (12) first, then supplies power to institute by the first gear group (3)
First motor (12) power generation is stated, electric energy is stored in the power battery (13) by the inverter (14), some
Engine power passes through the first clutch (2), first gear group (3), accessory drive gear group (4), accessory drive
(5) driving low-pressure machinery attachment (7) operating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019209301430 | 2019-06-20 | ||
| CN201920930143 | 2019-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110450620A true CN110450620A (en) | 2019-11-15 |
Family
ID=68484195
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921223739.3U Active CN210454447U (en) | 2019-06-20 | 2019-07-31 | Double-clutch controlled parallel shaft type hybrid power system |
| CN201910700848.8A Pending CN110450620A (en) | 2019-06-20 | 2019-07-31 | A kind of the parallel-axis type hybrid power system and its control method of low cost |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921223739.3U Active CN210454447U (en) | 2019-06-20 | 2019-07-31 | Double-clutch controlled parallel shaft type hybrid power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN210454447U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055797A (en) * | 2019-12-30 | 2020-04-24 | 莱顿汽车部件（苏州）有限公司 | Electric automobile accessory driving system |
| CN112172504A (en) * | 2020-09-17 | 2021-01-05 | 无锡明恒混合动力技术有限公司 | Longitudinal hybrid power vehicle driving device |
| CN112298158A (en) * | 2020-10-19 | 2021-02-02 | 南京朗禾智能控制研究院有限公司 | Hybrid power system for engineering and agricultural machinery |
| WO2023028922A1 (en) * | 2021-09-01 | 2023-03-09 | 舍弗勒技术股份两合公司 | Hybrid power system, and vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293477A (en) * | 2008-05-07 | 2008-10-29 | 王新国 | Electric power internal combustion power mechanism of vehicle |
| CN101535075A (en) * | 2006-12-08 | 2009-09-16 | 比亚迪股份有限公司 | Hybrid power output system |
| CN101797884A (en) * | 2010-04-20 | 2010-08-11 | 上海交通大学 | Duel-clutch stepless speed change series parallel hybrid power system |
| CN101920652A (en) * | 2009-06-17 | 2010-12-22 | 上海捷能汽车技术有限公司 | Series/parallel double-motor and multi-clutch hybrid drive unit for vehicle |
| CN102910065A (en) * | 2012-11-02 | 2013-02-06 | 上海中科深江电动车辆有限公司 | Hybrid middle bus power system and corresponding control method |
| CN108128137A (en) * | 2017-12-29 | 2018-06-08 | 苏州凯博易控驱动技术有限公司 | Speed change system, method for changing speed and corresponding vehicle |
| CN207809034U (en) * | 2017-12-29 | 2018-09-04 | 比亚迪股份有限公司 | Hybrid electric drive system and vehicle |
| CN108839550A (en) * | 2018-06-28 | 2018-11-20 | 奇瑞汽车股份有限公司 | Hybrid power system |
| CN108944908A (en) * | 2018-07-05 | 2018-12-07 | 北京汽车股份有限公司 | Hybrid power system and its control method and vehicle |
-
2019
- 2019-07-31 CN CN201921223739.3U patent/CN210454447U/en active Active
- 2019-07-31 CN CN201910700848.8A patent/CN110450620A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101535075A (en) * | 2006-12-08 | 2009-09-16 | 比亚迪股份有限公司 | Hybrid power output system |
| CN101293477A (en) * | 2008-05-07 | 2008-10-29 | 王新国 | Electric power internal combustion power mechanism of vehicle |
| CN101920652A (en) * | 2009-06-17 | 2010-12-22 | 上海捷能汽车技术有限公司 | Series/parallel double-motor and multi-clutch hybrid drive unit for vehicle |
| CN101797884A (en) * | 2010-04-20 | 2010-08-11 | 上海交通大学 | Duel-clutch stepless speed change series parallel hybrid power system |
| CN102910065A (en) * | 2012-11-02 | 2013-02-06 | 上海中科深江电动车辆有限公司 | Hybrid middle bus power system and corresponding control method |
| CN108128137A (en) * | 2017-12-29 | 2018-06-08 | 苏州凯博易控驱动技术有限公司 | Speed change system, method for changing speed and corresponding vehicle |
| CN207809034U (en) * | 2017-12-29 | 2018-09-04 | 比亚迪股份有限公司 | Hybrid electric drive system and vehicle |
| CN108839550A (en) * | 2018-06-28 | 2018-11-20 | 奇瑞汽车股份有限公司 | Hybrid power system |
| CN108944908A (en) * | 2018-07-05 | 2018-12-07 | 北京汽车股份有限公司 | Hybrid power system and its control method and vehicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055797A (en) * | 2019-12-30 | 2020-04-24 | 莱顿汽车部件（苏州）有限公司 | Electric automobile accessory driving system |
| CN112172504A (en) * | 2020-09-17 | 2021-01-05 | 无锡明恒混合动力技术有限公司 | Longitudinal hybrid power vehicle driving device |
| CN112298158A (en) * | 2020-10-19 | 2021-02-02 | 南京朗禾智能控制研究院有限公司 | Hybrid power system for engineering and agricultural machinery |
| WO2023028922A1 (en) * | 2021-09-01 | 2023-03-09 | 舍弗勒技术股份两合公司 | Hybrid power system, and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210454447U (en) | 2020-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105857054B (en) | A kind of hybrid power system and the hybrid vehicle using the system | |
| CN110450620A (en) | A kind of the parallel-axis type hybrid power system and its control method of low cost | |
| CN100406289C (en) | Series-parallel mixed power system | |
| CN101380887B (en) | Hybrid power car driving system containing driving motor work mode switching device | |
| CN201195494Y (en) | 4-wheel driven power transmission system of hybrid power automobile | |
| CN101913322B (en) | Time-division 4-wheel drive (4WD) parallel hybrid driving system | |
| CN109733178B (en) | Multi-motor hybrid power system and control method thereof | |
| CN102922982B (en) | Double planetary gear train dynamic coupling transmission system | |
| CN101209666A (en) | Mixed power outputting device | |
| CN101342859A (en) | Hybrid drive system | |
| CN202686354U (en) | Integrated variable speed drive device and electric control energy and management system for hybrid power vehicle | |
| CN205395752U (en) | Parallel hybrid actuating system and car | |
| CN102616234B (en) | Hybrid vehicle integrated form speed-changing driving device and automatically controlled energy administrating system | |
| CN201863701U (en) | Dual-motor hybrid power system | |
| CN103786564A (en) | Driving device of hybrid electric vehicle | |
| CN110615000A (en) | Plug-in hybrid electric vehicle work control mode | |
| CN105128647A (en) | Multimode hybrid power transmission driving device | |
| CN204749840U (en) | Increase form hybrid power system | |
| CN106965795A (en) | Plug-in four-wheel-drive hybrid power vehicle complete vehicle control system | |
| CN110356218A (en) | A kind of the parallel-axis type hybrid power system and control method of double clutch control | |
| CN104590262A (en) | Hybrid power system for automobile, hybrid power vehicle and control method thereof | |
| WO2022089106A1 (en) | Driving device, hybrid truck driving method, and hybrid truck | |
| CN104786820A (en) | Multi-power input hybrid power driving device | |
| CN213619314U (en) | Vehicle hybrid system | |
| CN111688470B (en) | Series-parallel configuration plug-in hybrid power system and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191115 |
|
| RJ01 | Rejection of invention patent application after publication |