CN108081942A - Automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle - Google Patents
Automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle Download PDFInfo
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- CN108081942A CN108081942A CN201711442028.0A CN201711442028A CN108081942A CN 108081942 A CN108081942 A CN 108081942A CN 201711442028 A CN201711442028 A CN 201711442028A CN 108081942 A CN108081942 A CN 108081942A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000010248 power generation Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 230000008450 motivation Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 description 6
- 238000005183 dynamical system Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
-
- 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
- B60K6/48—Parallel type
- B60K6/485—Motor-assist type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle, belong to the technical field of hybrid vehicle.The automatically controlled integrated form HEV powertrain of the present invention includes being integrated with the entire car controller of battery management system, gearbox controller, engine controller, engine, automatic transmission, power battery, electric machine controller, motor, transmission clutch, motor side electromagnetic clutch, prime main reducing gear, intermediate gearbox, rear class main reducing gear, front axle and a pair of of the driving front-wheel for being arranged on front axle both ends, back axle and a pair of of the driving trailing wheel for being arranged on back axle both ends.The automatically controlled integrated form HEV powertrain of the present invention, the operating mode of double clutch four-drive hybrid electric vehicle complexity can be achieved, make full use of the advantage of each assembly, vehicle dynamic property and driving pleasure are improved on the premise of ensureing that vehicle has good fuel-economy performance and low emission, meets the individual demand of customer.
Description
Technical field
The present invention relates to the technical field of hybrid vehicle, it is more particularly related to which a kind of got over based on 4 wheel driven
The automatically controlled integrated form HEV powertrain of wild vehicle.
Background technology
4 wheel driven gasoline car dynamical system framework of the prior art as shown in Figure 1, the dynamical system framework by engine
(ENG) and control unit of engine (EMS), automatic gear-box (AT) and gearbox controller (TCU), clutch (Clutch)
It forms, gearbox controller (TCU) control clutch engagement and separation are inputted to gearbox so as to cutting off and transfer engine
Power.4 wheel driven gasoline car kerb weight of the prior art is larger, only one power source of engine, and engine characteristics determines low
Fast torque output is far smaller than its peak torque, causes vehicle low speed acceleration poor, and customer generates complaint.
The content of the invention
It is cross-country based on 4 wheel driven it is an object of the invention to provide one kind in order to solve above-mentioned technical problem of the prior art
The automatically controlled integrated form HEV powertrain of vehicle.
In order to solve to invent the technical issues of described and realize goal of the invention, present invention employs following technical schemes：
A kind of automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle, it is characterised in that：Including being integrated with cell tube
Entire car controller, gearbox controller, engine controller, engine, automatic transmission, power battery, the motor of reason system
Controller, motor, transmission clutch, motor side electromagnetic clutch, prime main reducing gear, intermediate gearbox, the main deceleration of rear class
Device, front axle and a pair of of the driving front-wheel for being arranged on front axle both ends, back axle and a pair for being arranged on back axle both ends
Drive trailing wheel.
Wherein, the entire car controller for being integrated with battery management system connects the electric machine controller by CAN bus
And gearbox controller, the power battery is connected by high-voltage line, the motor side electromagnetic clutch is connected by rigid line；Institute
It states gearbox controller and the engine controller is connected by CAN bus, the gearbox controller is also connected by rigid line
The automatic transmission and transmission clutch；The engine controller connects the engine by rigid line；The hair
The output terminal of motivation is connected by automatic transmission with intermediate gearbox, and the intermediate gearbox is respectively connected to the prime
Main reducing gear and rear class main reducing gear；The prime main reducing gear is coupling on front axle, and the rear class main reducing gear is coupling in
On back axle；Transmission clutch is provided between the output terminal of the engine and the automatic transmission；The motor
Output terminal is connected with rear class main reducing gear, and is provided with motor between the output terminal of the motor and the rear class main reducing gear
Hold electromagnetic clutch；The electric machine controller also connects the motor and power battery by high-voltage line respectively.
Wherein, the vehicle form pattern of the hybrid power system include 4 kinds, be respectively engine be operated alone pattern,
Combination drive pattern, driving power generation mode and braking mode.
Wherein, when pattern is operated alone in engine, engine work, the separation of vehicle control unit controls electromagnetic clutch,
Motor
Wherein, in combination drive pattern, engine work, the engagement of vehicle control unit controls motor side electromagnetic clutch,
Motor drives.
Wherein, when driving a vehicle power generation mode, engine work, the engagement of vehicle control unit controls motor side electromagnetic clutch,
Electric power generation is driven while motor-powered vehicle.
Wherein, in braking mode, engine idling, the engagement of vehicle control unit controls motor side electromagnetic clutch,
Electric power generation.
Compared with the immediate prior art, the automatically controlled integrated form HEV power of the present invention based on 4 wheel driven offroad vehicle
System has the advantages that：
The automatically controlled integrated form HEV powertrain of the present invention is, it can be achieved that the work of double clutch four-drive hybrid electric vehicle complexity
Operation mode makes full use of the advantage of each assembly, on the premise of ensureing that vehicle has good fuel-economy performance and low emission
Vehicle dynamic property and driving pleasure are improved, meets the individual demand of customer.Consider vehicle cost by battery management system simultaneously
Be integrated in full-vehicle control, form 2 and close 1 control programs, reduce control information interaction, plug connector, harness etc., reduction vehicle into
This, improves communication efficiency.
Description of the drawings
Fig. 1 is the framework schematic diagram of 4 wheel driven gasoline car dynamical system of the prior art.
Fig. 2 is the framework schematic diagram of the automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle of the present invention.
Specific embodiment
Below with reference to specific embodiment to the automatically controlled integrated form HEV powertrain of the present invention based on 4 wheel driven offroad vehicle
System is further elaborated, to make more complete and clear explanation to technical scheme.
Embodiment 1
As shown in Fig. 2, the automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle of the present embodiment, including being integrated with
Entire car controller (VCU), gearbox controller (TCU), engine controller (EMS), the engine of battery management system (BMS)
(ENG), automatic transmission (AT), power battery (Batt), electric machine controller (MCU), motor (TM), transmission clutch
(Clutch1), motor side electromagnetic clutch (Clutch2), prime main reducing gear, intermediate gearbox, rear class main reducing gear, front truck
Axis and after being arranged on a pair of of driving front-wheel at front axle both ends, back axle and being arranged on a pair of of driving at back axle both ends
Wheel.
The entire car controller (VCU) for being integrated with battery management system (BMS) connects the motor control by CAN bus
Device (MCU) processed and gearbox controller (TCU) connect the power battery (Batt) by high-voltage line, institute are connected by rigid line
State motor side electromagnetic clutch (Clutch2)；The gearbox controller (TCU) connects the engine control by CAN bus
Device (EMS) processed, the gearbox controller (TCU) also connect the automatic transmission (AT) and speed changer clutch by rigid line
Device (Clutch1).The engine controller (EMS) connects the engine (ENG) by rigid line；The engine (ENG)
Output terminal be connected by automatic transmission (AT) with intermediate gearbox, and the intermediate gearbox is respectively connected to the prime
Main reducing gear and rear class main reducing gear；The prime main reducing gear is coupling on front axle, and the rear class main reducing gear is coupling in
On back axle；Transmission clutch is provided between the output terminal of the engine (ENG) and the automatic transmission (AT)
(Clutch1).The output terminal of the motor (TM) is connected with rear class main reducing gear, and the output terminal of the motor (TM) and institute
It states and is provided with motor side electromagnetic clutch (Clutch2) between rear class main reducing gear.The electric machine controller (MCU) is also led to respectively
It crosses high-voltage line and connects the motor (TM) and power battery (Batt).
The automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle of the present embodiment adds motor and power battery two
Big power source, motor, power battery, automatically controlled three electric system of core as hybrid electric vehicle, can be by rationally controlling raising
Vehicle acceleration and economy.The entire car controller VCU of the present embodiment can realize high-low voltage power source management, traveling control, heat pipe
The functions such as reason, attachment control, man-machine interface, fault diagnosis；Electric machine controller MCU can realize driving traveling, energy feedback, power
The functions such as management, rotating speed control, direct torque, fault diagnosis；Battery management system BMS can realize that high pressure power-on and power-off, battery are equal
The functions such as weighing apparatus, battery status monitoring, high-voltage isulation monitoring.Entire car controller, electric machine controller, battery management system in common approach
System is all individual controller, and this patent takes into account cost and battery management system is integrated in entire car controller, it can be achieved that battery
The repertoire of management system.
The dynamical system of the present embodiment according to operating conditions electromagnetic clutch engage and separate, so as to control motor connect and
Cut off power source output signal.In starting or low speed segment, VCU control electromagnetic clutch is closed vehicle, motor work, and torque is fast
Speed response provides acceleration power-assisted for vehicle, realizes hybrid power drive pattern；Vehicle in high regime, motor maximum speed by
Limit, to protect motor, VCU control motor side electromagnetic clutch separation, motor is closed, and realizes that traveling mould is operated alone in engine
Formula；When sliding or braking, VCU control electromagnetic clutch engagements, vehicle inertia drives electric power generation, realizes braking energy vehicle
Recycling ensures that battery capacity can meet vehicle and acceleration power-assisted is provided in frequent acceleration and deceleration driving cycle.
Totally 4 kinds of the vehicle driving mode of the plug-in hybrid system of the present embodiment：
1. pattern is operated alone in engine：Engine works, and VCU control electromagnetic clutch separation, motor is closed；(at a high speed
Operating mode protects motor).
2. combination drive pattern：Engine works, VCU control electromagnetic clutch engagements, motor driving；(low speed acceleration helps
Power)
3. power generation mode of driving a vehicle：Engine works, VCU control electromagnetic clutch engagements, while motor-powered vehicle
Drive electric power generation；(keep battery capacity that can provide at any time and accelerate power-assisted).
4. braking mode：Engine idling, VCU control electromagnetic clutch engagements, electric power generation.(economy is improved,
Mitigate braking pad wear).
The plug-in hybrid system of the present embodiment can realize that three power source double clutch four-drive hybrid electric vehicles are answered
Miscellaneous operating mode makes full use of the advantage of each assembly, is ensureing that vehicle has good fuel-economy performance and low emission
Under the premise of improve vehicle dynamic property and driving pleasure, meet the individual demand of customer.Consider vehicle cost by cell tube simultaneously
The system integration is managed in full-vehicle control, 2 is formed and closes 1 control program, reduce control information interaction, plug connector, harness etc., reduce whole
Vehicle cost improves communication efficiency.
For the ordinary skill in the art, specific embodiment is simply exemplarily described the present invention,
Obviously the present invention specific implementation is not subject to the restrictions described above, as long as employ the inventive concept and technical scheme of the present invention into
The improvement of capable various unsubstantialities or it is not improved by the present invention design and technical solution directly apply to other occasions
, within protection scope of the present invention.
Claims (7)
1. a kind of automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle, it is characterised in that：Including being integrated with battery management
The entire car controller of system, gearbox controller, engine controller, engine, automatic transmission, power battery, motor control
Device processed, motor, transmission clutch, motor side electromagnetic clutch, prime main reducing gear, intermediate gearbox, rear class main reducing gear,
Front axle and a pair of of the driving front-wheel for being arranged on front axle both ends, back axle and a pair of of the driving for being arranged on back axle both ends
Trailing wheel.
2. the automatically controlled integrated form HEV powertrain according to claim 1 based on 4 wheel driven offroad vehicle, it is characterised in that：Institute
It states and is integrated with the entire car controller of battery management system the electric machine controller and gearbox controller are connected by CAN bus,
The power battery is connected by high-voltage line, the motor side electromagnetic clutch is connected by rigid line；The gearbox controller
The engine controller is connected by CAN bus, the gearbox controller also connects the automatic transmission by rigid line
And transmission clutch；The engine controller connects the engine by rigid line；The output terminal of the engine leads to
Automatic transmission is crossed to be connected with intermediate gearbox, and the intermediate gearbox is respectively connected to the prime main reducing gear and rear class
Main reducing gear；The prime main reducing gear is coupling on front axle, and the rear class main reducing gear is coupling on back axle；The hair
Transmission clutch is provided between the output terminal of motivation and the automatic transmission；The output terminal of the motor subtracts with rear class master
Fast device connection, and it is provided with motor side electromagnetic clutch between the output terminal of the motor and the rear class main reducing gear；Institute
It states electric machine controller and the motor and power battery is also connected by high-voltage line respectively.
3. the automatically controlled integrated form HEV powertrain according to claim 1 based on 4 wheel driven offroad vehicle, it is characterised in that：Institute
Stating the vehicle form pattern of hybrid power system includes 4 kinds, is respectively that pattern, combination drive pattern, row is operated alone in engine
Vehicle power generation mode and braking mode.
4. the automatically controlled integrated form HEV powertrain according to claim 3 based on 4 wheel driven offroad vehicle, it is characterised in that：
When pattern is operated alone in engine, engine work, vehicle control unit controls electromagnetic clutch separation motor.
5. the automatically controlled integrated form HEV powertrain according to claim 3 based on 4 wheel driven offroad vehicle, it is characterised in that：
During combination drive pattern, engine work, the engagement of vehicle control unit controls motor side electromagnetic clutch, motor driving.
6. the automatically controlled integrated form HEV powertrain according to claim 3 based on 4 wheel driven offroad vehicle, it is characterised in that：
During driving power generation mode, engine work, the engagement of vehicle control unit controls motor side electromagnetic clutch, motor-powered vehicle
Drive electric power generation simultaneously.
7. the automatically controlled integrated form HEV powertrain according to claim 3 based on 4 wheel driven offroad vehicle, it is characterised in that：
During braking mode, engine idling, the engagement of vehicle control unit controls motor side electromagnetic clutch, electric power generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442028.0A CN108081942A (en) | 2017-12-26 | 2017-12-26 | Automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442028.0A CN108081942A (en) | 2017-12-26 | 2017-12-26 | Automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108081942A true CN108081942A (en) | 2018-05-29 |
Family
ID=62179619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711442028.0A Pending CN108081942A (en) | 2017-12-26 | 2017-12-26 | Automatically controlled integrated form HEV powertrain based on 4 wheel driven offroad vehicle |
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| CN (1) | CN108081942A (en) |
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