WO2024021716A1 - 车辆驱动装置及车辆 - Google Patents

车辆驱动装置及车辆 Download PDF

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Publication number
WO2024021716A1
WO2024021716A1 PCT/CN2023/090736 CN2023090736W WO2024021716A1 WO 2024021716 A1 WO2024021716 A1 WO 2024021716A1 CN 2023090736 W CN2023090736 W CN 2023090736W WO 2024021716 A1 WO2024021716 A1 WO 2024021716A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
vehicle
gear
clutch
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.)
Ceased
Application number
PCT/CN2023/090736
Other languages
English (en)
French (fr)
Inventor
黎家诚
罗俊
曾董
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to EP23844931.8A priority Critical patent/EP4549208A4/en
Priority to AU2023312509A priority patent/AU2023312509A1/en
Publication of WO2024021716A1 publication Critical patent/WO2024021716A1/zh
Priority to US19/033,319 priority patent/US20250162401A1/en
Priority to MX2025000911A priority patent/MX2025000911A/es
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • 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 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 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 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
    • 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 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 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 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
    • 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
    • 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—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 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 assembly or relative disposition of components
    • 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
    • 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—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 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 assembly or relative disposition of components
    • B60K6/405—Housings
    • 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
    • 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 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 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
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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
    • B60K25/00—Auxiliary drives
    • B60K25/02—Auxiliary drives directly from an engine shaft
    • B60K2025/022—Auxiliary drives directly from an engine shaft by a mechanical transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/20—Energy converters
    • B60Y2400/204—Generator sets, engine and generator as one unit
    • 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

Definitions

  • the present application relates to a vehicle driving device and a vehicle.
  • a driving device of a hybrid vehicle includes an engine, a power generation motor, and a travel motor.
  • the power generation motor is connected to the engine, and the travel motor is connected to the front wheels via a differential mechanism.
  • the drive device is mounted vertically on the vehicle body, with a gear train disposed between the engine and the generator motor.
  • the rotation shaft of the generator motor is arranged above the crankshaft of the engine, and the front wheel output shaft is arranged below the generator motor.
  • the front wheel output shaft transmits the power from the traveling electric motor to the differential mechanism; therefore, the drive device of this hybrid vehicle has a technical problem of low integration.
  • the technical problem to be solved by this application is: in view of the existing hybrid vehicle driving device, the two motors and the reducer are not integrated with the motor controller, and the integration level of the driving device is low.
  • a vehicle driving device and a vehicle are provided. .
  • the present application provides a vehicle driving device, including a motor assembly.
  • the motor assembly includes a first motor, a second motor and a motor controller, a motor shaft of the first motor and a second motor.
  • the motor shaft extends along the length direction of the vehicle.
  • the first motor is arranged in front of the second motor.
  • the motor controller is fixed on the top of the first motor and the second motor.
  • the first motor and the second motor are electrically connected to the motor controller respectively. .
  • the vehicle driving device further includes an oil pan connected to the bottom of the first motor.
  • the housing of the second motor is connected to the rear end surface of the housing of the first motor
  • the motor controller is in the shape of a strip and extends along the length direction of the vehicle.
  • the housing of the motor controller is fixed on the top of the housing of the first motor and the top of the housing of the second motor.
  • the vehicle drive device also includes an engine, a transmission structure and a differential, and the transmission structure is arranged on the right side of the first motor;
  • the variable speed transmission structure includes a first motor transmission gear set, a second motor transmission gear set, an engine input gear set, an output gear set and a clutch.
  • the engine input gear set is connected between the first end of the clutch and the engine
  • the output gear set is connected between the first end of the clutch and the engine.
  • the first motor transmission gear set is connected between the first motor and the engine input gear set
  • the second motor transmission gear set is connected between the second motor and the output gear set.
  • a differential connects the wheels.
  • the engine input gear set includes an engine primary gear and a clutch input gear that mesh with each other, the engine primary gear is connected to the engine, and the clutch input gear is connected to the first end of the clutch;
  • the first motor transmission gear set includes a first motor primary gear and an engine secondary gear that mesh with each other.
  • the engine secondary gear meshes with the engine primary gear.
  • the output gear set includes a clutch output gear, a clutch driven gear and a differential input shaft.
  • the clutch output gear meshes with the clutch driven gear.
  • the clutch driven gear is connected to the differential through the differential input shaft.
  • the clutch The output gear is connected to the second end of the clutch;
  • the second motor transmission gear set includes a second motor driving gear and a second motor driven gear that mesh with each other.
  • the second motor driven gear and the clutch output gear are coaxially connected to the differential input shaft.
  • the differential is arranged on the front right lower side of the first motor, and the differential input shaft is arranged on the lower right side of the first motor.
  • the vehicle drive device also includes a transmission structure housing, which is fixed on the front end surface of the housing of the first motor, the first motor transmission gear set, the engine input gear set, the output gear set and the clutch. It is installed in the casing of the variable speed transmission structure, and the second motor transmission gear set is installed in the casing of the first motor.
  • the vehicle drive device also includes a left half shaft, an intermediate shaft, a right half shaft and an intermediate shaft tube connected to the left side of the differential.
  • the differential includes an input bevel gear, a left output bevel gear and a right output bevel gear.
  • Gear, the intermediate shaft is connected between the left output bevel gear and the left half shaft, the left half shaft is connected to the left wheel, and the right half shaft is connected between the right output bevel gear and the right wheel;
  • the intermediate shaft is rotatably arranged in the intermediate shaft tube.
  • the motor shaft of the first motor and the motor of the second motor are spaced apart in the width direction of the vehicle.
  • the first motor and the second motor are electrically connected to the motor controller through copper bars respectively.
  • the high-voltage DC bus interface of the motor controller is arranged on the right side of the housing of the motor controller, and the high-voltage DC bus interface is connected to the battery pack through the wiring harness.
  • the vehicle driving device further includes an oil-cooling plate heat exchanger, and the oil-cooling plate heat exchanger is arranged on the left front side of the first motor.
  • the motor shaft of the first motor and the motor shaft of the second motor extend along the length direction of the vehicle, the first motor is arranged in front of the second motor, and the motor controller is fixed between the first motor and the second motor.
  • the motor assembly composed of the first motor, the second motor and the motor controller has a high degree of integration, which can improve the integration of the vehicle drive device, make the overall structure of the vehicle drive device more compact, and avoid high-voltage wire throwing. Conducive to lightweighting the entire vehicle.
  • both the first motor and the second motor are arranged longitudinally, and the Y-direction (vehicle width direction) size of the vehicle drive device is more compact.
  • the motor controller Since the motor controller is arranged on the top of the two motors, the Z space of the vehicle is fully utilized, making the vehicle drive
  • the Y-direction size of the device is smaller. It can improve the human-machine space of the vehicle owner and co-driver, so that the motor assembly can meet the needs of power economy and at the same time take into account ergonomics.
  • the vehicle drive device equipped with a corresponding engine, can fully utilize the X-direction (vehicle length direction) layout space of the front cabin, reduce the occupation of the Y-direction layout space of the vehicle, and provide a larger layout space for the suspension system. It is beneficial to the vehicle's handling stability and vehicle ride comfort.
  • This vehicle drive device is suitable for front-wheel drive vehicles or four-wheel drive vehicles (four-wheel drive vehicles can add a wheel-side drive axle at the rear axle).
  • the vehicle drive device can be applied to new energy vehicles such as off-road vehicles, pickup trucks, and SUVs.
  • embodiments of the present application also provide a vehicle, which includes a vehicle frame and the above-mentioned vehicle driving device, and the vehicle driving device is installed on the vehicle frame.
  • the lower left side of the housing of the second motor is connected to the vehicle frame through a first suspension
  • the lower right side of the housing of the second motor is connected to the vehicle frame through a second suspension.
  • the vehicle has a central channel, a front end of the central channel is provided with a receiving cavity, and the rear side of the vehicle driving device extends into the receiving cavity.
  • Figure 1 is a frame diagram of a vehicle driving device provided by an embodiment of the present application.
  • Figure 2 is a perspective view of a vehicle driving device provided by an embodiment of the present application.
  • Figure 3 is a left side view of a vehicle driving device provided by an embodiment of the present application.
  • Figure 4 is a top view of a vehicle driving device provided by an embodiment of the present application.
  • Figure 5 is a front view of a vehicle driving device provided by an embodiment of the present application.
  • Figure 6 is a schematic diagram of the connection between the vehicle driving device and the vehicle frame provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of the cooperation between the vehicle driving device and the middle tunnel provided by an embodiment of the present application.
  • the first motor 11. The motor shaft of the first motor; 12. The housing of the first motor; 2. The second motor; 21. The motor shaft of the second motor; 22. The housing of the second motor; 3. Motor controller; 31. Motor controller housing; 4. Oil pan; 5. Engine; 6. Variable speed transmission structure; 61. First motor transmission gear set; 611. First motor primary gear; 612. Engine Secondary gear; 62. Second motor transmission gear set; 621. Second motor driving gear; 622. Second motor driven gear; 63. Engine input gear set; 631. Engine primary gear; 632. Clutch input gear; 64. Output gear set; 641. Clutch output gear; 642. Clutch driven gear; 643. Differential input shaft; 65. Clutch; 7. Differential; 71.
  • the vehicle driving device provided by the embodiment of the present application includes a motor assembly.
  • the motor assembly includes a first motor 1, a second motor 2 and a motor controller 3.
  • the motor shaft 11 of the first motor 1 and The motor shaft 21 of the second motor 2 extends along the length direction of the vehicle.
  • the first motor 1 is arranged in front of the second motor 2.
  • the motor controller 3 is fixed on the top of the first motor 1 and the second motor 2.
  • the first motor 1 and the second motor 2 are electrically connected to the motor controller 3 respectively. That is, the motor controller 3 controls the first motor 1 and the second motor 2 at the same time, eliminating the need to provide two motor controllers, which is beneficial to reducing costs.
  • the first motor 1 is a generator
  • the second motor 2 is a driving motor. That is, the power of the second motor 2 is greater than the power of the first motor 1 .
  • the vehicle driving device further includes an oil pan 4 connected to the bottom of the first motor 1 .
  • the oil pan 4 is arranged below the first motor 1 and can provide lubrication for the first motor 1, the second motor 2 and the variable speed transmission structure 6 below, ensuring a relatively smooth operation on urban roads or non-paved highways. Good lubrication properties.
  • the housing 22 of the second motor 2 is connected to the rear end surface of the housing 12 of the first motor 1; the motor controller 3 is in a strip shape and extends along the length direction of the vehicle.
  • the housing 31 of the controller 3 is fixed on the top of the housing 12 of the first motor 1 and the top of the housing 22 of the second motor 2 .
  • the housing 31 of the motor controller 3 is fixed through the left front mounting point A1, the right front mounting point A2, the left middle mounting point A3, the right middle mounting point A4, the left rear mounting point A5, and the right rear mounting point A6.
  • the left front mounting point A1 and the right front mounting point A2 are connected to the housing 12 of the first motor 1
  • the left middle mounting point A3 , the right middle mounting point A4 , the left rear mounting point A5 and the right rear mounting point A6 are connected to the second motor 2
  • the housing 21 is connected.
  • the motor controller 3 can be firmly installed on the top of the first motor 1 and the second motor 2 through 6-point installation.
  • the housing 31 of the motor controller 3 is respectively provided at the positions of the left front mounting point A1, the right front mounting point A2, the left middle mounting point A3, the right middle mounting point A4, the left rear mounting point A5, and the right rear mounting point A6.
  • the housing 12 of the first motor 1 and the housing 22 of the second motor 2 are provided with nuts or threaded connection holes.
  • the connecting bracket is fixed to the housing 12 of the first motor 1 and the second motor 2 through bolts. on the housing 22 of the motor 2.
  • the vehicle driving device also includes an engine 5, a transmission structure 6 and a differential 7,
  • the variable speed transmission structure 6 is arranged on the right side of the first motor 1;
  • the variable speed transmission structure 6 includes a first motor transmission gear set 61, a second motor transmission gear set 62, an engine input gear set 63, an output gear set 64 and a clutch 65.
  • the engine The input gear set 63 is connected between the first end of the clutch 65 and the engine 5
  • the output gear set 64 is connected between the second end of the clutch 65 and the differential 7
  • the first motor transmission gear set 61 is connected to the first motor.
  • the second motor transmission gear set 62 is connected between the second motor 2 and the output gear set 64, and the differential 7 connects the wheels 8.
  • the engine input gear set 63 includes an engine primary gear 631 and a clutch input gear 632 that mesh with each other.
  • the engine primary gear 631 is connected to the engine 5
  • the clutch input gear 632 is connected to the first gear of the clutch 65 .
  • the first motor transmission gear set 61 includes a first motor primary gear 611 and an engine secondary gear 612 that mesh with each other.
  • the engine secondary gear 612 meshes with the engine primary gear 631 .
  • a flywheel is connected between the engine 5 and the engine primary gear 631 .
  • the output gear set 64 includes a clutch output gear 641 , a clutch driven gear 642 and a differential input shaft 643 .
  • the clutch output gear 641 meshes with the clutch driven gear 642 .
  • the clutch driven gear 642 The differential input shaft 643 is connected to the differential 7, and the clutch output gear 641 is connected to the second end of the clutch 65;
  • the second motor transmission gear set 62 includes a second motor driving gear 621 and a second motor driven gear that mesh with each other.
  • the gear 622 , the second motor driven gear 622 and the clutch output gear 641 are coaxially connected to the differential input shaft 643 .
  • the power of the engine 5 is transmitted to the wheels 8 through the engine input gear set 63 , the clutch 65 , the output gear set 64 and the differential 7 .
  • one gear set is reduced, thereby improving the transmission efficiency in the engine direct drive mode.
  • the power of the engine 5 drives the first motor 1 to generate electricity through the engine primary gear 631, the engine secondary gear 612 and the first motor primary gear 611.
  • the power of the second motor 2 drives the left and right wheels 8 through the second motor driving gear 621, the second motor driven gear 622, the differential input shaft 643 and the differential 7.
  • the power of the engine 5 can also drive the left and right wheels through the engine primary gear 631, the clutch input gear 632, the clutch 65, the clutch output gear 641, the clutch driven gear 642, the differential input shaft 643 and the differential 7 8.
  • the vehicle drive device can have an engine direct drive mode, a pure electric drive mode and a hybrid drive mode.
  • the clutch 65 In the engine direct drive mode, the clutch 65 is engaged, and the power of the engine 5 passes through the engine primary gear 631, the clutch input gear 632, the clutch 65, The clutch output gear 641, the clutch driven gear 642, the differential input shaft 643 and the differential 7 drive the left and right wheels 8.
  • the second motor 2 does not work, and the first motor 1 generates electricity or idling.
  • the clutch 65 is disconnected, and the power of the second motor 2 drives the left and right wheels through the second motor driving gear 621, the second motor driven gear 622, the differential input shaft 643 and the differential 7. 8.
  • the engine 5 does not work or the engine 5 works and drives the first motor 1 to generate electricity.
  • clutch 65 is engaged, and the power of engine 5 passes through the engine stage Gear 631, clutch input gear 632, clutch 65, clutch output gear 641, clutch driven gear 642, differential input shaft 643 and differential 7 drive the left and right wheels 8, and the power of the second motor 2 passes through the second motor
  • the driving gear 621, the second motor driven gear 622, the differential input shaft 643 and the differential 7 drive the left and right wheels 8.
  • the first motor 1 generates electricity or idling.
  • the differential 7 is arranged at the front right lower side of the first motor 1, fully utilizing the space between the motor assembly and the engine 5 or steering gear at the front end, and reducing the impact on the engine 5. Effect of crankshaft center height.
  • the differential input shaft 643 is arranged on the lower right side of the first motor 1, making full use of the space between the frame and the body, greatly reducing the Y-direction and Z-direction dimensions of the vehicle drive device in the middle channel, and taking into account the differential The layout requirements of the transmission input shaft 5.
  • the vehicle drive device also includes a transmission structure housing 9.
  • the transmission structure housing 91 is fixed on the front end surface of the housing 12 of the first motor 1.
  • the first motor transmission The gear set 61 , the engine input gear set 63 , the output gear set 64 and the clutch 65 are installed in the transmission structure housing 9
  • the second motor transmission gear set 62 is installed in the housing 12 of the first motor 1 .
  • the first motor 1, the second motor 2, the motor controller 3 and the variable speed transmission structure are integrated together, and the integration level is higher.
  • the vehicle driving force device is more compact in the X direction (vehicle length direction) and Z direction (vehicle height direction), making the center tunnel space of the vehicle body more compact. , which reduces the occupation of the Z- and X-direction space of the vehicle and is conducive to improving the human-machine performance of the main driver and the passive safety performance of the entire vehicle.
  • the vehicle drive device also includes a left half shaft 10, an intermediate shaft 20, a right half shaft 30 and an intermediate shaft tube 40 connected to the left side of the differential 7.
  • the differential 7 It includes an input bevel gear 71, a left output bevel gear 72, a right output bevel gear 73 and a differential housing 74.
  • the input bevel gear 71, the left output bevel gear 72 and the right output bevel gear 73 are arranged on the differential.
  • the intermediate shaft 20 is connected between the left output bevel gear 72 and the left half shaft 10
  • the left half shaft 10 is connected to the left wheel 8
  • the right half shaft 30 is connected between the right output bevel gear 73 and the right wheel.
  • the intermediate shaft 20 is rotatably arranged in the intermediate shaft tube 40 through bearings.
  • the left half shaft 10 and the right half shaft 30 are usually symmetrical structures. Since the differential 7 is arranged below the right side of the first motor 1 and close to the right wheel 8, the right half shaft 30 is shorter. For the sake of symmetry, the left half shaft 30 is shorter. The half shaft 10 is also shorter, so an intermediate shaft 20 is connected between the left half shaft 10 and the left output bevel gear 72. The intermediate shaft 20 is longer, so an intermediate shaft tube 40 is provided to provide a fulcrum for the intermediate shaft 20, improving the Transmission stability.
  • the intermediate shaft tube 40 is connected to the left side of the differential 7, which not only ensures that the left half shaft 10 and the right half shaft 30 can be arranged symmetrically, but also improves the convenience of disassembly and assembly.
  • the left half shaft 10 and the intermediate shaft 20 can also be combined into one shaft, and in this case, the intermediate shaft tube 40 can be eliminated.
  • the motor shaft 11 of the first motor 1 and the motor 12 of the second motor 2 are spaced apart in the width direction of the vehicle. That is, the motor shaft 11 of the first motor 1 and the motor 12 of the second motor 2 are not coaxial. In this way, it can The space on the right side of the first motor 1 is used to arrange the transmission structure 6 .
  • the first motor 1 and the second motor 2 are electrically connected to the motor controller 3 through copper bars respectively.
  • the layout space and cost of the high-voltage wiring harness are greatly saved, which is beneficial to the lightweight of the entire vehicle.
  • the motor controller 3 By integrating the motor controller 3 on the top of the first motor 1 and the second motor 2, multiple high-voltage wire harnesses are prevented from being arranged outside the structure, which reduces the risk of the high-voltage wire harness being squeezed and short-circuited during a collision, thereby improving the overall high-voltage system. passive safety performance.
  • the high-voltage DC bus interface of the motor controller 3 is arranged on the right side of the housing 31 of the motor controller 3, and the high-voltage DC bus interface is connected to the battery pack through a wire harness.
  • the battery pack is located on the rear side of the motor controller 3.
  • the high-voltage DC bus interface is arranged on the right side of the housing 31 of the motor controller 3, which reduces the number of The X-direction size increases the energy-absorbing space for the front collision of the motor controller 3 and improves the high-voltage safety factor of the entire vehicle.
  • the vehicle driving device further includes an oil-cooling plate heat exchanger 50.
  • the oil-cooling plate heat exchanger 50 is arranged on the left front side of the first motor 1, making full use of the power of the first motor 1.
  • the space on the left side not only takes into account the layout requirements, but also ensures the cooling performance of the vehicle drive device.
  • the motor shaft 11 of the first motor 1 and the motor shaft 21 of the second motor 2 extend along the length direction of the vehicle, the first motor 1 is arranged in front of the second motor 2, and the motor controller 3 Fixed on the top of the first motor 1 and the second motor 2.
  • the motor assembly composed of the first motor 1, the second motor 2 and the motor controller 3 has a high degree of integration, which can improve the integration of the vehicle drive device, make the overall structure of the vehicle drive device more compact, and avoid high voltage dump. lines, which is conducive to lightweighting the entire vehicle.
  • both the first motor 1 and the second motor 2 are arranged longitudinally, and the Y-direction size of the vehicle driving device is more compact.
  • the motor controller 3 Since the motor controller 3 is arranged on the top of the two motors, the Z space of the vehicle is fully utilized, making the Y-direction size of the vehicle drive device smaller. It can improve the human-machine space of the vehicle owner and co-driver, so that the motor assembly can meet the needs of power economy and at the same time take into account ergonomics.
  • the vehicle drive device is equipped with a corresponding engine 5, which can make full use of the X-direction layout space of the front cabin, reduce the occupation of the Y-direction layout space of the vehicle, provide a larger layout space for the suspension system, and is beneficial to the overall vehicle Driving stability and vehicle ride comfort.
  • This vehicle drive device is suitable for front-wheel drive vehicles or four-wheel drive vehicles (four-wheel drive vehicles can add a wheel-side drive axle at the rear axle).
  • the vehicle drive device can be applied to new energy vehicles such as off-road vehicles, pickup trucks, and SUVs.
  • an embodiment of the present application also provides a vehicle, including a vehicle frame 60 and the above-mentioned vehicle driving device.
  • the vehicle driving device is installed on the vehicle frame 60 .
  • the lower left side of the housing 22 of the second motor 2 is connected to the frame 60 through the first suspension 70
  • the lower right side of the housing 22 of the second motor 2 is connected to the frame 60 through the second suspension 70
  • the device 80 is connected to the vehicle frame 60. In this way, through the first The suspension 70 and the second suspension 80 realize the connection between the rear end of the vehicle driving device and the vehicle frame 60 .
  • the front end of the vehicle driving device is indirectly mounted on the vehicle frame 60 through the front engine mount.
  • the front end of the vehicle driving device reserves a layout space for the engine 5, and different types of engines 5 are equipped according to different models and different power requirements.
  • the vehicle's driving device adopts a longitudinal arrangement, making full use of the X-direction layout space of the front cabin and reducing the use of the Y-direction layout space, providing a larger layout space for the suspension system, which is beneficial to the vehicle's stable handling and smoothness. sex.
  • the vehicle has a central passage 90 , a receiving cavity 901 is provided at the front end of the central passage 90 , and the rear side of the vehicle driving device extends into the receiving cavity 901 .
  • the entire second motor 2, the rear portion of the first motor 1, and the rear portion of the motor controller 3 are accommodated in the accommodation cavity 901.
  • the front portion of the motor controller 3, the front portion of the first motor 1, and the variable speed transmission are located outside the accommodation cavity 901.
  • the vertical vehicle drive device is designed to match the outline of the middle tunnel 90. Through internal structure optimization and highly integrated modules, it not only ensures the physical layout space of the human-machine space and other systems in the vehicle, but also ensures the safety of the vehicle drive device itself. Functional realization and process feasibility. In addition, high integration prevents high-voltage wires from being thrown away, which is conducive to lightweighting the entire vehicle.

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Abstract

一种车辆，具有车辆驱动装置。该车辆驱动装置包括电机总成，电机总成包括：第一电机(1)；第二电机(2)，第一电机(1)的电机轴(11)及第二电机(2)的电机轴(21)沿车辆的长度方向延伸，第一电机(1)布置在第二电机(2)的前方；电机控制器(3)，固定在第一电机(1)与第二电机(2)的顶部，第一电机(1)及第二电机(2)分别与电机控制器(3)电连接。

Description

车辆驱动装置及车辆
本申请要求于2022年7月27日提交、申请号为202221963231.9，发明名称为“车辆 驱动装置及车辆”的中国专利申请的优先权，其全部内容通过引用结合在本申请中
技术领域
本申请涉及一种车辆驱动装置及车辆。
背景技术
相关技术中，混合动力车辆的驱动装置具备发动机、发电用电动机及行驶用电动机，发电用电动机与发动机连接，行驶用电动机经由差动机构与前轮连接。该驱动装置纵置搭载在车体上，在发动机和发电用电动机之间设置齿轮列，发电用电动机的旋转轴配置在发动机的曲轴的上方，前轮输出轴配置在发电用电动机的下方，该前轮输出轴将来自行驶用电动机的动力向差动机构传递；因此，该混合动力车辆的驱动装置存在集成度低的技术问题。
发明内容
本申请所要解决的技术问题是：针对现有的混合动力车辆的驱动装置，两个电机和减速器没有跟电机控制器集成，驱动装置的集成度低的问题，提供一种车辆驱动装置及车辆。
为解决上述技术问题，一方面，本申请提供了一种车辆驱动装置，包括电机总成，电机总成包括第一电机、第二电机及电机控制器，第一电机的电机轴及第二电机的电机轴沿车辆的长度方向延伸，第一电机布置在第二电机的前方，电机控制器固定在第一电机与第二电机的顶部，第一电机及第二电机分别与电机控制器电连接。
可选地，车辆驱动装置还包括连接在第一电机的底部的油底壳。
可选地，第二电机的壳体连接在第一电机的壳体的后端面上；
电机控制器呈长条状且沿车辆的长度方向延伸，电机控制器的壳体固定在第一电机的壳体顶部及第二电机的壳体顶部。
可选地，车辆驱动装置还包括发动机、变速传动结构及差速器，变速传动结构布置在第一电机的右侧；
变速传动结构包括第一电机传动齿轮组、第二电机传动齿轮组、发动机输入齿轮组、输出齿轮组及离合器，发动机输入齿轮组连接在离合器的第一端与发动机之间，输出齿轮组连 接在离合器的第二端与差速器之间，第一电机传动齿轮组连接在第一电机与发动机输入齿轮组之间，第二电机传动齿轮组连接在第二电机与输出齿轮组之间，差速器连接车轮。
可选地，发动机输入齿轮组包括相互啮合的发动机一级齿轮及离合器输入齿轮，发动机一级齿轮与发动机连接，离合器输入齿轮与离合器的第一端连接；
第一电机传动齿轮组包括相互啮合的第一电机一级齿轮及发动机二级齿轮，发动机二级齿轮与发动机一级齿轮啮合。
可选地，输出齿轮组包括离合器输出齿轮、离合器从动齿轮及差速器输入轴，离合器输出齿轮与离合器从动齿轮啮合，离合器从动齿轮通过差速器输入轴与差速器连接，离合器输出齿轮与离合器的第二端连接；
第二电机传动齿轮组包括相互啮合的第二电机主动齿轮及第二电机从动齿轮，第二电机从动齿轮及离合器输出齿轮同轴连接在差速器输入轴上。
可选地，差速器布置在第一电机的右前下方，差速器输入轴布置在第一电机的右下侧。
可选地，车辆驱动装置还包括变速传动结构壳体，变速传动结构壳体固定在第一电机的壳体的前端面上，第一电机传动齿轮组、发动机输入齿轮组、输出齿轮组及离合器安装在变速传动结构壳体内，第二电机传动齿轮组安装在第一电机的壳体内。
可选地，车辆驱动装置还包括左半轴、中间轴、右半轴及连接在差速器左侧的中间轴管，差速器包括输入锥齿轮、左侧输出锥齿轮及右侧输出锥齿轮，中间轴连接在左侧输出锥齿轮与左半轴之间，左半轴连接左侧车轮，右半轴连接在右侧输出锥齿轮与右侧车轮之间；
中间轴可转动地设置在中间轴管中。
可选地，第一电机的电机轴与第二电机的电机在车辆的宽度方向上间隔设置。
可选地，第一电机及第二电机分别通过铜排与电机控制器电连接。
可选地，电机控制器的高压直流母线接口布置在电机控制器的壳体的右侧，高压直流母线接口通过线束连接电池包。
可选地，车辆驱动装置还包括油冷板换热器，油冷板换热器布置在第一电机的左前侧。
本申请实施例的车辆驱动装置，第一电机的电机轴及第二电机的电机轴沿车辆的长度方向延伸，第一电机布置在第二电机的前方，电机控制器固定在第一电机与第二电机的顶部。这样，由第一电机、第二电机及电机控制器组成的电机总成集成度高，进而能够提高车辆驱动装置的集成度，车辆驱动装置的整体结构更为紧凑，同时避免高压甩线，有利于整车轻量化。并且，第一电机与第二电机均是纵向布置，车辆驱动装置的Y向(车辆宽度方向)尺寸更紧凑。由于电机控制器布置在两个电机的顶部，充分利用了车辆的Z空间，使得车辆驱动 装置的Y向尺寸更小。能够提升整车主副驾人机空间，使电机总成在满足动力经济性需要的超大尺寸的同时，又能兼顾人机工程学。
另外，该车辆驱动装置，搭载相应的发动机，能够充分利用前机舱X向(车辆长度方向)布置空间，减少了对车辆Y向布置空间的占用，为悬架系统提供更大的布置空间，有利于整车的操稳性和整车平顺性。
该车辆驱动装置，适用于前驱车辆或四驱车辆(四驱车辆可以在后轴处增加轮边驱动桥)。该车辆驱动装置可应用于越野车、皮卡、SUV等新能源车型。
另一方面，本申请实施例还提供了一种车辆，包括车架及上述的车辆驱动装置，车辆驱动装置安装在车架上。
可选地，第二电机的壳体的左下侧通过第一悬置连接在车架上，第二电机的壳体的右下侧通过第二悬置连接在车架上。
可选地，车辆具有中通道，中通道的前端设置有容纳腔，车辆驱动装置的后侧伸入容纳腔中。
附图说明
图1是本申请一实施例提供的车辆驱动装置的框架图；
图2是本申请一实施例提供的车辆驱动装置的立体图；
图3是本申请一实施例提供的车辆驱动装置的左视图；
图4是本申请一实施例提供的车辆驱动装置的俯视图；
图5是本申请一实施例提供的车辆驱动装置的前视图；
图6是本申请一实施例提供的车辆驱动装置与车架的连接示意图；
图7是本申请一实施例提供的车辆驱动装置与中通道的配合的示意图。
说明书中的附图标记如下：
1、第一电机；11、第一电机的电机轴；12、第一电机的壳体；2、第二电机；21、第二电机的电机轴；22、第二电机的壳体；3、电机控制器；31、电机控制器的壳体；4、油底壳；5、发动机；6、变速传动结构；61、第一电机传动齿轮组；611、第一电机一级齿轮；612、发动机二级齿轮；62、第二电机传动齿轮组；621、第二电机主动齿轮；622、第二电机从动齿轮；63、发动机输入齿轮组；631、发动机一级齿轮；632、离合器输入齿轮；64、输出齿轮组；641、离合器输出齿轮；642、离合器从动齿轮；643、差速器输入轴；65、离合器；7、差速器；71、输入锥齿轮；72、左侧输出锥齿轮；73、右侧输出锥齿轮；74、差速器壳体；8、 车轮；9、变速传动结构壳体；10、左半轴；20、中间轴；30、右半轴；40、中间轴管；50、油冷板换热器；60、车架；70、第一悬置；80、第二悬置；90、中通道；901、容纳腔。
具体实施方式
为了使本申请所解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
参见图1至图5，本申请实施例提供的车辆驱动装置，包括电机总成，电机总成包括第一电机1、第二电机2及电机控制器3，第一电机1的电机轴11及第二电机2的电机轴21沿车辆的长度方向延伸，第一电机1布置在第二电机2的前方，电机控制器3固定在第一电机1与第二电机2的顶部，第一电机1及第二电机2分别与电机控制器3电连接。即，电机控制器3同时控制第一电机1与第二电机2，不需要设置两个电机控制器，有利于降低成本。
在一实施例中，第一电机1为发电机，第二电机2为驱动电机。即，第二电机2的功率大于第一电机1的功率。
在一实施例中，参见图3，车辆驱动装置还包括连接在第一电机1的底部的油底壳4。油底壳4布置在第一电机1的下方，能够为第一电机1、第二电机2以及下文中的变速传动结构6等结构提供润滑，保证城市道路或非铺装公路上，均有较好的润滑性能。
在一实施例中，参见图3，第二电机2的壳体22连接在第一电机1的壳体12的后端面上；电机控制器3呈长条状且沿车辆的长度方向延伸，电机控制器3的壳体31固定在第一电机1的壳体12顶部及第二电机2的壳体22顶部。
具体地，参见图4，电机控制器3的壳体31通过左前安装点A1、右前安装点A2、左中安装点A3、右中安装点A4、左后安装点A5及右后安装点A6固定在第一电机1的壳体12及第二电机2的壳体22上。其中，左前安装点A1及右前安装点A2与第一电机1的壳体12连接，左中安装点A3、右中安装点A4、左后安装点A5及右后安装点A6与第二电机2的壳体21连接。这样，通过6点安装，能够将电机控制器3稳固地安装在第一电机1与第二电机2的顶部。具体地，电机控制器3的壳体31在左前安装点A1、右前安装点A2、左中安装点A3、右中安装点A4、左后安装点A5及右后安装点A6的位置上分别设置有连接支架，第一电机1的壳体12及第二电机2的壳体22上对就地设置螺母或螺纹连接孔，通过螺栓将连接支架固定在第一电机1的壳体12及第二电机2的壳体22上。
在一实施例中，参见图1，车辆驱动装置还包括发动机5、变速传动结构6及差速器7， 变速传动结构6布置在第一电机1的右侧；变速传动结构6包括第一电机传动齿轮组61、第二电机传动齿轮组62、发动机输入齿轮组63、输出齿轮组64及离合器65，发动机输入齿轮组63连接在离合器65的第一端与发动机5之间，输出齿轮组64连接在离合器65的第二端与差速器7之间，第一电机传动齿轮组61连接在第一电机1与发动机输入齿轮组63之间，第二电机传动齿轮组62连接在第二电机2与输出齿轮组64之间，差速器7连接车轮8。在一实施例中，参见图1，发动机输入齿轮组63包括相互啮合的发动机一级齿轮631及离合器输入齿轮632，发动机一级齿轮631与发动机5连接，离合器输入齿轮632与离合器65的第一端连接；第一电机传动齿轮组61包括相互啮合的第一电机一级齿轮611及发动机二级齿轮612，发动机二级齿轮612与发动机一级齿轮631啮合。优选地，发动机5与发动机一级齿轮631之间连接有飞轮。
在一实施例中，参见图1，输出齿轮组64包括离合器输出齿轮641、离合器从动齿轮642及差速器输入轴643，离合器输出齿轮641与离合器从动齿轮642啮合，离合器从动齿轮642通过差速器输入轴643与差速器7连接，离合器输出齿轮641与离合器65的第二端连接；第二电机传动齿轮组62包括相互啮合的第二电机主动齿轮621及第二电机从动齿轮622，第二电机从动齿轮622及离合器输出齿轮641同轴连接在差速器输入轴643上。
在发动机直驱模式下，发动机5的动力通过发动机输入齿轮组63、离合器65、输出齿轮组64及差速器7传递至车轮8。相对于现有技术，减少了一个齿轮组，进而提升发动机直驱模式下的传动效率。
发动机5的动力经过发动机一级齿轮631、发动机二级齿轮612及第一电机一级齿轮611驱动第一电机1发电。第二电机2的动力经过第二电机主动齿轮621、第二电机从动齿轮622、差速器输入轴643及差速器7驱动左右两侧车轮8。当然，发动机5的动力也可以经过发动机一级齿轮631、离合器输入齿轮632、离合器65、离合器输出齿轮641、离合器从动齿轮642、差速器输入轴643及差速器7驱动左右两侧车轮8。
该车辆驱动装置可以具有发动机直驱模式、纯电驱动模式及混合驱动模式，在发动机直驱模式下，离合器65接合，发动机5的动力经过发动机一级齿轮631、离合器输入齿轮632、离合器65、离合器输出齿轮641、离合器从动齿轮642、差速器输入轴643及差速器7驱动左右两侧车轮8，此时第二电机2不工作，第一电机1发电或空转。在纯电驱动模式下，离合器65断开，第二电机2的动力经过第二电机主动齿轮621、第二电机从动齿轮622、差速器输入轴643及差速器7驱动左右两侧车轮8，此时，发动机5不工作或者发动机5工作并带动第一电机1发电。在混合驱动模式下，离合器65接合，发动机5的动力经过发动机一级 齿轮631、离合器输入齿轮632、离合器65、离合器输出齿轮641、离合器从动齿轮642、差速器输入轴643及差速器7驱动左右两侧车轮8，第二电机2的动力经过第二电机主动齿轮621、第二电机从动齿轮622、差速器输入轴643及差速器7驱动左右两侧车轮8，此时，第一电机1发电或空转。
在一实施例中，参见图2及图5，差速器7布置在第一电机1的右前下方，充分利用电机总成与前端的发动机5或转向机之间的空间，减少对发动机5的曲轴中心高度的影响。差速器输入轴643布置在第一电机1的右下侧，充分利用车架与车身之间的空间，极大地减少该车辆驱动装置在中通道的Y向和Z向尺寸，又兼顾了差速器输入轴5的布置需求。
在一实施例中，参见图2及图5，车辆驱动装置还包括变速传动结构壳体9，变速传动结构壳体91固定在第一电机1的壳体12的前端面上，第一电机传动齿轮组61、发动机输入齿轮组63、输出齿轮组64及离合器65安装在变速传动结构壳体9内，第二电机传动齿轮组62安装在第一电机1的壳体12内。这样，第一电机1、第二电机2、电机控制器3及变速传动结构集成在一起，集成度更高。并且，由于变速传动结构6布置在第一电机1的右侧，使得该车辆驱动力装置X向(车辆长度方向)和Z向(车辆高度方向)尺寸更紧凑，使车身的中通道空间更紧凑，减少了对车辆Z向和X向空间的占用，有利于提升主驾人机性能和整车的被动安全性能。
在一实施例中，参见图1及图5，车辆驱动装置还包括左半轴10、中间轴20、右半轴30及连接在差速器7左侧的中间轴管40，差速器7包括输入锥齿轮71、左侧输出锥齿轮72、右侧输出锥齿轮73及差速器壳体74，输入锥齿轮71、左侧输出锥齿轮72及右侧输出锥齿轮73设置在差速器壳体74中，中间轴20连接在左侧输出锥齿轮72与左半轴10之间，左半轴10连接左侧车轮8，右半轴30连接在右侧输出锥齿轮73与右侧车轮8之间；中间轴20通过轴承可转动地设置在中间轴管40中。左半轴10与右半轴30通常是对称结构，由于差速器7布置在第一电机1的右侧下方，靠近右侧车轮8，因而，右半轴30较短，为了对称性，左半轴10也较短，因而在左半轴10与左侧输出锥齿轮72之间连接一根中间轴20，中间轴20较长，因而设置中间轴管40来提供中间轴20的支点，提高传动稳定性。中间轴管40连接在差速器7的左侧，既保证左半轴10、右半轴30能够实现对称布置，又提升了拆装的方便性。
当然，在其它一些替代实施例中，左半轴10、中间轴20也可以合为一根轴，此时可取消中间轴管40。
在一实施例中，参见图1，第一电机1的电机轴11与第二电机2的电机12在车辆的宽度方向上间隔设置。即第一电机1的电机轴11与第二电机2的电机12不同轴，这样，可以 利用第一电机1的右侧空间布置变速传动结构6。
在一实施例中，第一电机1及第二电机2分别通过铜排与电机控制器3电连接。这样，大大节省了高压线束的布置空间和成本，有利于整车轻量化。通过将电机控制器3集成在第一电机1与第二电机2的顶部，避免多根高压线束布置在结构外侧，降低了碰撞过程中高压线束被挤压短路的风险，从而提升了高压系统整体的被动安全性能。
在一实施例中，电机控制器3的高压直流母线接口布置在电机控制器3的壳体31的右侧，高压直流母线接口通过线束连接电池包。电池包位于电机控制器3的后侧。相对于现有技术中的高压直流母线接口布置在电机控制器3的壳体31的后侧，高压直流母线接口布置在电机控制器3的壳体31的右侧，减少了电机控制器3的X向尺寸，增加了电机控制器3的正碰的吸能空间，提升了整车高压安全系数。
在一实施例中，参见图1及图5，车辆驱动装置还包括油冷板换热器50，油冷板换热器50布置在第一电机1的左前侧，充分利用第一电机1的左侧空间，既兼顾了布置需求，也保证了车辆驱动装置的冷却性能。
本申请实施例的车辆驱动装置，第一电机1的电机轴11及第二电机2的电机轴21沿车辆的长度方向延伸，第一电机1布置在第二电机2的前方，电机控制器3固定在第一电机1与第二电机2的顶部。这样，由第一电机1、第二电机2及电机控制器3组成的电机总成集成度高，进而能够提高车辆驱动装置的集成度，车辆驱动装置的整体结构更为紧凑，同时避免高压甩线，有利于整车轻量化。并且，第一电机1与第二电机2均是纵向布置，车辆驱动装置的Y向尺寸更紧凑。由于电机控制器3布置在两个电机的顶部，充分利用了车辆的Z空间，使得车辆驱动装置的Y向尺寸更小。能够提升整车主副驾人机空间，使电机总成在满足动力经济性需要的超大尺寸的同时，又能兼顾人机工程学。
另外，该车辆驱动装置，搭载相应的发动机5，能够充分利用前机舱X向布置空间，减少了对车辆Y向布置空间的占用，为悬架系统提供更大的布置空间，有利于整车的操稳性和整车平顺性。
该车辆驱动装置，适用于前驱车辆或四驱车辆(四驱车辆可以在后轴处增加轮边驱动桥)。该车辆驱动装置可应用于越野车、皮卡、SUV等新能源车型。
另外，参见图6及图7，本申请实施例还提供了一种车辆，包括车架60及上述的车辆驱动装置，车辆驱动装置安装在车架60上。
在一实施例中，参见图6，第二电机2的壳体22的左下侧通过第一悬置70连接在车架60上，第二电机2的壳体22的右下侧通过第二悬置80连接在车架60上。这样，通过第一 悬置70及第二悬置80实现了车辆驱动装置的后端与车架60的连接。车辆驱动装置的前端通过发动机前悬置间接安装在车架60上。车辆驱动装置的前端预留发动机5的布置空间，根据不同的车型，不同的动力需求，搭载不同类型的发动机5。该车辆驱动装置采用纵置布置，充分利用前机舱X向布置空间，减少了对Y向布置空间的利用，为悬架系统提供更大的布置空间，有利于整车的操稳和整车平顺性。
在一实施例中，参见图7，车辆具有中通道90，中通道90的前端设置有容纳腔901，车辆驱动装置的后侧伸入容纳腔901中。具体为，第二电机2的全部、第一电机1的后部及电机控制器3的后部容纳于容纳腔901中，电机控制器3的前部、第一电机1的前部、变速传动结构壳体及差速器7位于容纳腔901外部。
该该纵置的车辆驱动装置配合中通道90的轮廓进行设计，通过内部结构优化，高度集成各模块，既保证了车内人机空间和其他系统的物理布置空间，又确保了车辆驱动装置自身的功能实现和工艺可行性。此外，高集成度避免高压甩线，有利于整车轻量化。
以上仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (16)

  1. 一种车辆驱动装置，包括电机总成，其中，电机总成包括：
    第一电机(1)；
    第二电机(2)，第一电机(1)的电机轴(11)及第二电机(2)的电机轴(21)沿车辆的长度方向延伸，第一电机(1)布置在第二电机(2)的前方；
    电机控制器(3)，固定在第一电机(1)与第二电机(2)的顶部，第一电机(1)及第二电机(2)分别与电机控制器(3)电连接。
  2. 根据权利要求1的车辆驱动装置，其中，车辆驱动装置还包括连接在第一电机(1)的底部的油底壳(4)。
  3. 根据权利要求1的车辆驱动装置，其中，第二电机(2)的壳体(22)连接在第一电机(1)的壳体(12)的后端面上；
    电机控制器(3)呈长条状且沿车辆的长度方向延伸，电机控制器(3)的壳体(31)固定在第一电机(1)的壳体(12)顶部及第二电机(2)的壳体(22)顶部。
  4. 根据权利要求1的车辆驱动装置，其中，车辆驱动装置还包括发动机(5)、变速传动结构(6)及差速器(7)，变速传动结构(6)布置在第一电机(1)的右侧；
    变速传动结构(6)包括第一电机传动齿轮组(61)、第二电机传动齿轮组(62)、发动机输入齿轮组(63)、输出齿轮组(64)及离合器(65)，发动机输入齿轮组(63)连接在离合器(65)的第一端与发动机(5)之间，输出齿轮组(64)连接在离合器(65)的第二端与差速器(7)之间，第一电机传动齿轮组(61)连接在第一电机(1)与发动机输入齿轮组(63)之间，第二电机传动齿轮组(62)连接在第二电机(2)与输出齿轮组(64)之间，差速器(7)连接车轮(8)。
  5. 根据权利要求4的车辆驱动装置，其中，发动机输入齿轮组(63)包括相互啮合的发动机一级齿轮(631)及离合器输入齿轮(632)，发动机一级齿轮(631)与发动机(5)连接，离合器输入齿轮(632)与离合器(65)的第一端连接；
    第一电机传动齿轮组(61)包括相互啮合的第一电机一级齿轮(611)及发动机二级齿轮(612)，发动机二级齿轮(612)与发动机一级齿轮(631)啮合。
  6. 根据权利要求4的车辆驱动装置，其中，输出齿轮组(64)包括离合器输出齿轮(641)、离合器从动齿轮(642)及差速器输入轴(643)，离合器输出齿轮(641)与离合器从动齿轮(642)啮合，离合器从动齿轮(642)通过差速器输入轴(643)与差速器(7)连接，离合 器输出齿轮(641)与离合器(65)的第二端连接；
    第二电机传动齿轮组(62)包括相互啮合的第二电机主动齿轮(621)及第二电机从动齿轮(622)，第二电机从动齿轮(622)及离合器输出齿轮(641)同轴连接在差速器输入轴(643)上。
  7. 根据权利要求6的车辆驱动装置，其中，差速器(7)布置在第一电机(1)的右前下方，差速器输入轴(643)布置在第一电机(1)的右下侧。
  8. 根据权利要求4的车辆驱动装置，其中，车辆驱动装置还包括变速传动结构壳体(9)，变速传动结构壳体(9)固定在第一电机1的壳体(12)的前端面上，第一电机传动齿轮组(61)、发动机输入齿轮组(63)、输出齿轮组(64)及离合器(65)安装在变速传动结构壳体(9)内，第二电机传动齿轮组(62)安装在第一电机(1)的壳体(12)内。
  9. 根据权利要求4的车辆驱动装置，其中，车辆驱动装置还包括左半轴(10)、中间轴(20)、右半轴(30)及连接在差速器(7)左侧的中间轴管(40)，差速器(7)包括输入锥齿轮(71)、左侧输出锥齿轮(72)及右侧输出锥齿轮(73)，中间轴(20)连接在左侧输出锥齿轮(72)与左半轴(10)之间，左半轴(10)连接左侧车轮，右半轴(30)连接在右侧输出锥齿轮(73)与右侧车轮之间；
    中间轴(20)可转动地设置在中间轴管(40)中。
  10. 根据权利要求1的车辆驱动装置，其中，第一电机(1)的电机轴(11)与第二电机(2)的电机轴(21)在车辆的宽度方向上间隔设置。
  11. 根据权利要求1的车辆驱动装置，其中，第一电机(1)及第二电机(2)分别通过铜排与电机控制器(3)电连接。
  12. 根据权利要求1的车辆驱动装置，其中，电机控制器(3)的高压直流母线接口布置在电机控制器(3)的壳体(31)的右侧，高压直流母线接口通过线束连接电池包。
  13. 根据权利要求1的车辆驱动装置，其中，车辆驱动装置还包括油冷板换热器(50)，油冷板换热器(50)布置在第一电机(1)的左前侧。
  14. 一种车辆，其中，包括车架(60)及权利要求1-13任意一项的车辆驱动装置，车辆驱动装置安装在车架(60)上。
  15. 根据权利要求14的车辆，其中，第二电机(2)的壳体(22)的左下侧通过第一悬置(70)连接在车架(60)上，第二电机(2)的壳体(22)的右下侧通过第二悬置(80)连接在车架(60)上。
  16. 根据权利要求14的车辆，其中，车辆具有中通道(90)，中通道(90)的前端设置 有容纳腔(901)，车辆驱动装置的后侧伸入容纳腔(901)中。
PCT/CN2023/090736 2022-07-27 2023-04-26 车辆驱动装置及车辆 Ceased WO2024021716A1 (zh)

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