WO2019218267A1 - Transmission de puissance hybride et véhicule - Google Patents

Transmission de puissance hybride et véhicule Download PDF

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Publication number
WO2019218267A1
WO2019218267A1 PCT/CN2018/087079 CN2018087079W WO2019218267A1 WO 2019218267 A1 WO2019218267 A1 WO 2019218267A1 CN 2018087079 W CN2018087079 W CN 2018087079W WO 2019218267 A1 WO2019218267 A1 WO 2019218267A1
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WO
WIPO (PCT)
Prior art keywords
gear
transmission
output shaft
motor
hybrid
Prior art date
Application number
PCT/CN2018/087079
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English (en)
Chinese (zh)
Inventor
李至浩
陈振辉
Original Assignee
舍弗勒技术股份两合公司
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Application filed by 舍弗勒技术股份两合公司 filed Critical 舍弗勒技术股份两合公司
Priority to PCT/CN2018/087079 priority Critical patent/WO2019218267A1/fr
Priority to DE112018007608.3T priority patent/DE112018007608T5/de
Priority to CN201880088292.5A priority patent/CN111655525A/zh
Publication of WO2019218267A1 publication Critical patent/WO2019218267A1/fr

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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
    • B60K6/42—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
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • B60K6/40—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 ; 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 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 ; 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
    • B60K6/54—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 ; 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
    • B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
    • 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
    • B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
    • 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
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • 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
    • B60K6/54—Transmission for changing ratio
    • B60K2006/541—Transmission for changing ratio without reverse ratio using instead electric reversing
    • 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 invention relates to a hybrid transmission for a hybrid vehicle including an internal combustion engine, a first electric machine, a second electric machine, and the hybrid transmission, the hybrid transmission including a transmission input shaft and a transmission output shaft
  • the internal combustion engine is coupled to the transmission input shaft via a clutch
  • the first motor is coupled to the transmission input shaft in a rotationally fixed manner.
  • the invention relates to a vehicle having the hybrid transmission.
  • a current plug-in hybrid drive system two electric machines are provided in connection with a hybrid transmission, and the internal combustion engine is coupled to the hybrid transmission via a hydraulic clutch, whereby the hybrid transmission is capable of implementing a plurality of operating modes.
  • known hybrid transmissions can only provide single gears for traction motors and internal combustion engines, which is insufficient to optimize the operating point of the electric machine or internal combustion engine.
  • the hydraulic clutch is engaged or disconnected according to the running condition, so that the hybrid drive and the pure electric drive are switched. For example, in highway driving, the internal combustion engine is more efficient and the vehicle speed is higher. At this time, the hydraulic clutch is engaged, and the internal combustion engine is only in single gear.
  • the output torque cannot coordinate the engine speed and the actual running speed of the wheel, and the optimal function of the engine cannot be achieved.
  • the integrated starter motor only operates as a generator and cannot output torque.
  • urban driving the internal combustion engine is very inefficient.
  • the vehicle speed is also low, the hydraulic clutch is disconnected, and the torque is output only by the single gear of the motor, and the high torque cannot be provided due to the limitation of the motor power. Therefore, the performance of a hybrid drive system with only a single gear is not ideal.
  • the traction torque of the motor is limited, an additional rear wheel drive is usually required, so the hybrid drive system is very costly.
  • the technical problem to be solved by the present invention is to provide a hybrid transmission for a hybrid vehicle that enables the hybrid vehicle to achieve both power performance and fuel economy in various driving situations.
  • the hybrid transmission for a hybrid vehicle of the present invention including a first electric machine, a second electric machine, a transmission input shaft, and a transmission output shaft, wherein the internal combustion engine passes through the clutch and the transmission input shaft Connected, the first motor transmits torque to the transmission input shaft and the second motor transmits torque to the transmission output shaft.
  • the first gear and the third gear are rotationally disposed on the transmission input shaft
  • the second gear and the fourth gear are disposed over the transmission output shaft
  • a synchronizer is provided, the synchronizer being located at the second gear and the fourth
  • the transmission output shaft is coupled to the second gear or the fourth gear in a rotationally fixed manner, wherein the first gear meshes with the second gear and the second gear meshes with the fourth gear.
  • the first gear wheel and the third gear wheel are arranged in a rotationally fixed manner on the transmission input shaft, that is to say the gear wheels are connected to the transmission input shaft in a rotationally fixed manner, for example by means of splines.
  • the second gear and the fourth gear are vacantly disposed on the transmission output shaft, that is, for example, can be supported on the transmission output shaft by bearings, thereby achieving relative rotation of the gear relative to the transmission output shaft.
  • the operating point can be optimized relative to the prior art.
  • the traction motor drive mode that provides more gears, the size of the traction motor can be reduced according to the actual situation, which helps the layout of the drive system.
  • the first motor can also function as a traction motor when the clutch is disconnected to improve the dynamic performance of the hybrid vehicle in the pure electric drive mode.
  • no additional traction motors are required. And when the transmission shifts, there is no power interruption, and the driving performance is good.
  • the first electric machine is an integrated starter motor. Therefore, the first motor realizes the dual functions of the starter and the motor.
  • the second electric machine is a traction motor so that the torque can be output directly to the transmission output shaft.
  • the transmission input shaft is arranged parallel to the transmission output shaft, thereby achieving a compact arrangement.
  • the first electric machine has a first motor shaft on which the seventh gear is arranged in a rotationally fixed manner, the seventh gear meshing with the first gear. Thereby the torque of the first electric machine can be transmitted to the transmission input shaft via a pair of gears.
  • the second motor has a second motor shaft, the fifth gear is rotationally fixed on the second motor shaft, and the sixth gear is provided on the transmission output shaft in a rotationally fixed manner, the fifth gear and the Six gears mesh.
  • the torque of the traction motor can be transmitted to the transmission output shaft via a pair of gears to achieve shifting.
  • the reverse function can also be realized.
  • the clutch is integrated inside the first electric machine. That is, the clutch is divided into a first side and a second side that can be engaged or disconnected from each other. For example, the first side of the internal combustion engine and the clutch are connected, and a torsional vibration damper is disposed therebetween to effectively avoid resonance of the transmission system and reduce noise of the transmission system.
  • the transmission input shaft is coupled to the second side of the clutch and the output of the first motor is anti-twisted to the second side.
  • the clutch and its actuating device are arranged radially inward of the first motor to achieve a space-saving layout.
  • the first electric machine, the torsional vibration damper, the clutch and its actuating device can together form a P2 hybrid module that is more compact and more easily integrated between the internal combustion engine and the transmission input for hybrid drive.
  • the present invention it is possible to provide the following functions according to different states of the internal combustion engine, the first motor, the second motor, the clutch, and the two synchronizers: pure electric drive, pure internal combustion engine drive, hybrid drive, standard charge, charge recovery, The internal combustion engine starts and runs during the running of the vehicle.
  • FIG. 1 is a schematic view of a hybrid transmission according to a first embodiment of the present invention
  • FIG. 2 is a schematic diagram of torque transfer in a pure electric mode of the hybrid transmission according to FIG.
  • FIG. 3 is a schematic diagram of torque transfer in a pure internal combustion engine drive mode of the hybrid transmission of FIG.
  • FIG. 4 is a schematic diagram of torque transfer in a hybrid drive mode of the hybrid transmission of FIG.
  • Figure 5 is a schematic illustration of torque transfer in a charging mode of the hybrid transmission shown in Figure 1;
  • Figure 6 is a schematic view of torque transmission in the endurance mode of the hybrid transmission shown in Figure 1;
  • Figure 7 is a graph of the operation mode of the hybrid transmission shown in Figure 1 in different clutch and synchronizer states.
  • Figure 8 is a schematic illustration of a hybrid transmission in accordance with a second embodiment of the present invention.
  • the hybrid transmission has a transmission input shaft 2, a transmission output shaft 3, a traction motor TM, a traction motor shaft 4, an integrated starter motor ISG, an integrated starter motor shaft 5, a synchronizer A, and four sets of gear pairs.
  • the transmission input shaft 2, the transmission output shaft 3, the traction motor shaft 4 and the integrated starter motor shaft 5 are arranged in parallel.
  • the transmission input shaft 2 is coupled to the internal combustion engine ICE via a clutch k0, wherein the clutch k0 is divided into a first side and a second side that are engageable or disengageable with each other.
  • the transmission input shaft 2 is coupled to the second side of the clutch k0, and the internal combustion engine ICE is coupled to the first side of the clutch k0, and a torsional vibration damper 6 is disposed therebetween to effectively avoid resonance of the transmission system and reduce noise of the transmission system. .
  • the transmission input shaft 2 is coupled to the second side of the clutch k0. Therefore, when the clutch k0 is closed, the connection of the internal combustion engine ICE to the transmission input shaft 2 is achieved.
  • the first gear Z11 and the second gear Z12 are arranged in a rotationally fixed manner in the axial direction away from the clutch k0, preferably by splines.
  • a sixth gear Z24, a second gear Z21, a synchronizer A and a fourth gear Z22 are arranged in a direction away from the differential, wherein the sixth gear Z24 is anti-twisted, preferably by splines Disposed on the shift output shaft 3, the second gear Z21 and the fourth gear Z22 are vacantly supported, in particular by bearings, on the transmission output shaft 3 and mesh with the first gear Z11 and the third gear Z12, respectively.
  • the synchronizer A can connect the second gear Z21 or the fourth gear Z22 to the transmission output shaft 3 in a rotationally fixed manner.
  • the synchronizer A is preferably connected to the transmission output shaft 3 by a spline, and the second gear Z21 and the fourth gear Z22 additionally have teeth matching the synchronizer A, which can be synchronized by the sliding sleeve of the synchronizer. Torque connection to the teeth of the gear.
  • the traction motor shaft 4 is connected to the traction motor TM in a rotationally fixed manner.
  • a fifth gear Z44 is arranged in a rotationally fixed manner on the traction motor shaft 4, and a fifth gear Z44 is meshed with a sixth gear Z24 on the transmission output shaft 3. The power of the traction motor TM is thereby transmitted to the transmission output shaft 3.
  • the integrated starter motor shaft 5 is connected to the integrated starter motor ISG in a rotationally fixed manner.
  • a seventh gear Z31 is arranged on the integrated starter motor shaft 5 in a rotationally fixed manner, and a seventh gear Z31 is meshed with a first gear Z11 on the transmission input shaft 2. The power of the integrated starter motor ISG is thereby transmitted to the transmission input shaft 2.
  • Synchronizer A has three gears, the L bit, the N bit and the R bit.
  • the synchronizer When the synchronizer is in the N position, the synchronizer is not engaged with any of the gears, in an idling state; when the synchronizer A is in the L position, it is engaged with the gear Z21; when the synchronizer A is in the R position, it is engaged with the gear Z22.
  • the power system of the hybrid vehicle according to the present invention can realize the following mode:
  • Synchronizer A is in any position and clutch k0 is open.
  • the integrated starter motor ISG does not work.
  • the torque of the traction motor TM is transmitted from the traction motor shaft 4 through the gears Z44-Z24 to the transmission output shaft 3, thereby causing the wheels to rotate. Since the traction motor TM can reverse in the forward direction, this gear can also be used as a reverse gear of the vehicle.
  • Synchronizer A is in the R position and clutch k0 is off.
  • the torque of the traction motor TM is transmitted from the traction motor shaft 4 through the gears Z44-Z24 to the transmission output shaft 3.
  • the torque of the integrated starter motor ISG is transmitted from the integrated starter motor shaft 5 through the gear pair Z31-Z11 to the transmission input shaft 2, and then to the transmission output shaft 3 through the gear pair Z12-Z22. Thereby the two motors together drive the wheel to rotate.
  • Synchronizer A is in the L position and clutch k0 is off.
  • the torque of the traction motor TM is transmitted from the traction motor shaft 4 through the gears Z44-Z24 to the transmission output shaft 3.
  • the torque of the integrated starter motor ISG is transmitted from the integrated starter motor shaft 5 to the transmission output shaft 3 via gears Z31-Z11-Z21. Thereby the two motors together drive the wheel to rotate.
  • Synchronizer A is in the L position and clutch k0 is off. Traction motor TM does not work. At the same time, the torque of the integrated starter motor ISG is transmitted from the integrated starter motor shaft 5 through the gears Z31-Z11-Z21 to the transmission output shaft 3, thereby driving the wheels to rotate.
  • Synchronizer A is in the R position and clutch k0 is closed. Both motors are not working.
  • the torque of the internal combustion engine ICE is transmitted from the transmission input shaft 2 to the transmission output shaft 3 through the gear pair Z12-Z22, thereby driving the wheel to rotate.
  • ICE2 Synchronizer A is in the L position and clutch k0 is closed. Both motors are not working. The torque of the internal combustion engine ICE is transmitted from the transmission input shaft 2 to the transmission output shaft 3 through the gear pair Z11-Z21, thereby driving the wheel to rotate.
  • the hybrid drive mode that is, the internal combustion engine ICE and the traction motor TM, both provide power, and the hybrid transmission according to the present invention can realize four gears in the hybrid drive mode, as shown in FIG.
  • ICE1+EM1 Synchronizer A is in the R position and clutch k0 is closed.
  • the integrated starter motor ISG does not work.
  • the torque of the internal combustion engine ICE is transmitted from the transmission input shaft 2 through the gear pair Z12-Z22 to the transmission output shaft 3; the torque of the traction motor TM is transmitted from the traction motor shaft 4 through the gears Z44-Z24 to the transmission output shaft 3. Therefore, the transmission coupling shaft 3 is rotated by the power coupling of the internal combustion engine ICE and the traction motor TM, thereby driving the wheel to rotate.
  • ICE2+EM1 Synchronizer A is in the L position and clutch k0 is closed.
  • the integrated starter motor ISG does not work.
  • the torque of the internal combustion engine ICE is transmitted from the transmission input shaft 2 through the gear pair Z11-Z21 to the transmission output shaft 3; the torque of the traction motor TM is transmitted from the traction motor shaft 4 through the gears Z44-Z24 to the transmission output shaft 3. Therefore, the transmission coupling shaft 3 is rotated by the power coupling of the internal combustion engine ICE and the traction motor TM, thereby driving the wheel to rotate.
  • ICE1+EM2 Synchronizer A is in the R position and clutch k0 is closed.
  • the torque of the internal combustion engine ICE is transmitted from the transmission input shaft 2 through the gear pair Z12-Z22 to the transmission output shaft 3; the torque of the traction motor TM is transmitted from the traction motor shaft 4 through the gears Z44-Z24 to the transmission output shaft 3.
  • the torque of the integrated starter motor ISG is transmitted from the integrated starter motor shaft 5 through the gear pair Z31-Z11 to the transmission input shaft 2, and then to the transmission output shaft 3 through the gear pair Z12-Z22. Therefore, the power coupling of the internal combustion engine ICE, the traction motor TM and the integrated starter motor ISG drives the transmission output shaft 3 to rotate, thereby driving the wheel to rotate.
  • ICE2+EM3 Synchronizer A is in the L position and clutch k0 is closed.
  • the torque of the internal combustion engine ICE is transmitted from the transmission input shaft 2 through the gear pair Z11-Z21 to the transmission output shaft 3; the torque of the traction motor TM is transmitted from the traction motor shaft 4 through the gears Z44-Z24 to the transmission output shaft 3.
  • the torque of the integrated starter motor ISG is transmitted from the integrated starter motor shaft 5 to the transmission output shaft 3 via gears Z31-Z11-Z21. Therefore, the power coupling of the internal combustion engine ICE, the traction motor TM and the integrated starter motor ISG drives the transmission output shaft 3 to rotate, thereby driving the wheel to rotate.
  • synchronizer A is at the N position, and clutch k0 is closed.
  • Traction motor TM does not work.
  • the torque of the internal combustion engine ICE is sequentially transmitted to the integrated starter motor ISG serving as a generator via the torsional vibration damper 6, the engaged clutch k0 and the gear pair Z11-Z31, thereby converting mechanical energy into electrical energy and stored in, for example, a storage battery.
  • the charging function is realized.
  • Synchronizer A is at N position and clutch k0 is closed.
  • the torque transmission direction is opposite to the above-described charging mode, and the integrated starter motor ISG is used as the motor output torque, which is transmitted to the internal combustion engine ICE via the gear pair Z31-Z11 and the engaged clutch k0 to start the internal combustion engine ICE.
  • the starting of the internal combustion engine can be carried out under two operating conditions in which the traction motor TM is operated or not.
  • synchronizer A is at N position, and clutch k0 is closed.
  • the torque of the traction motor TM is transmitted from the traction motor shaft 4 through the gears Z44-Z24 to the transmission output shaft 3, thereby causing the wheels to rotate.
  • the torque of the internal combustion engine ICE is sequentially transmitted to the integrated starter motor ISG serving as a generator via the torsional vibration damper 6, the engaged clutch k0 and the gear pair Z11-Z31, thereby converting mechanical energy into electrical energy and stored in, for example, a storage battery.
  • the traction motor TM is continuously operated.
  • Figure 8 shows a schematic view of a hybrid transmission in accordance with a second embodiment of the present invention.
  • the transmission input shaft 2 is also coupled to the internal combustion engine ICE via a clutch k0, wherein the clutch k0 is divided into a first side and a second side that are engageable or disengageable with each other.
  • the internal combustion engine ICE is coupled to the first side of the clutch k0, and the transmission input shaft 2 is coupled to the second side of the clutch k0.
  • the present embodiment differs from the first embodiment according to FIG. 1 in that the rotor of the integrated starter motor ISG is connected to the second side in a rotationally fixed manner.
  • the clutch k0 and its actuating device are arranged radially inward of the integrated starter motor ISG to achieve a space-saving layout.
  • the integrated starter motor ISG, torsional vibration damper 6, clutch k0 and its actuating device can together form a P2 hybrid module for more compact and more convenient integration between the internal combustion engine ICE and the transmission input shaft 2 for hybrid operation drive.
  • the load point can be optimized relative to the prior art.
  • the size of the traction motor can be reduced according to the actual situation, which helps the layout of the drive system.
  • hybrid modules with different sizes of traction motors and different numbers of gear pairs can be designed in order to achieve different applications from strong mixing and power to plug-in hybrids, and can be used from A-class cars to SUVs. All models.
  • the integrated starter motor can also be used as a traction motor when the clutch is disconnected to improve the power performance of the purely electric drive of the hybrid vehicle and the efficiency of the drive system.
  • no additional traction motors are required. And when the transmission shifts, there is no power interruption, and the driving performance is good.

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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

La présente invention concerne une transmission de puissance hybride pour un véhicule et un véhicule. La transmission de puissance hybride comprend un premier moteur, un second moteur, un arbre d'entrée de transmission et un arbre de sortie de transmission. Un moteur à combustion interne est raccordé à l'arbre d'entrée de transmission au moyen d'un embrayage; le premier moteur transfère un couple à l'arbre d'entrée de transmission; le second moteur transfère un couple à l'arbre de sortie de transmission; l'arbre d'entrée de transmission est doté d'un premier engrenage et d'un troisième engrenage d'une manière anti-couple; l'arbre de sortie de transmission est doté d'un deuxième engrenage et d'un quatrième engrenage d'une manière au repos, et d'un synchroniseur; le synchroniseur est situé entre le deuxième engrenage et le quatrième engrenage et peut éventuellement raccorder l'arbre de sortie de transmission au deuxième engrenage ou au quatrième engrenage d'une manière anti-couple; le premier engrenage est en prise avec le deuxième engrenage; le troisième engrenage est en prise avec le quatrième engrenage. Le véhicule de la présente invention comprend la transmission de puissance hybride.
PCT/CN2018/087079 2018-05-16 2018-05-16 Transmission de puissance hybride et véhicule WO2019218267A1 (fr)

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PCT/CN2018/087079 WO2019218267A1 (fr) 2018-05-16 2018-05-16 Transmission de puissance hybride et véhicule
DE112018007608.3T DE112018007608T5 (de) 2018-05-16 2018-05-16 Hybridgetriebe und Fahrzeug
CN201880088292.5A CN111655525A (zh) 2018-05-16 2018-05-16 混合动力变速器和车辆

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CN114475208A (zh) * 2021-12-20 2022-05-13 广西汽车集团有限公司 一种同轴式多挡位前驱混合动力系统
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FR3123600A1 (fr) * 2021-06-07 2022-12-09 Renault S.A.S Dispositif de traction hybride à deux machines électriques, un moteur thermique et un embrayage
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CN114475208A (zh) * 2021-12-20 2022-05-13 广西汽车集团有限公司 一种同轴式多挡位前驱混合动力系统

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