WO2020093302A1 - 混合动力模块和车辆 - Google Patents

混合动力模块和车辆 Download PDF

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Publication number
WO2020093302A1
WO2020093302A1 PCT/CN2018/114532 CN2018114532W WO2020093302A1 WO 2020093302 A1 WO2020093302 A1 WO 2020093302A1 CN 2018114532 W CN2018114532 W CN 2018114532W WO 2020093302 A1 WO2020093302 A1 WO 2020093302A1
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WO
WIPO (PCT)
Prior art keywords
clutch
motor
transmission
planetary gear
gear mechanism
Prior art date
Application number
PCT/CN2018/114532
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English (en)
French (fr)
Inventor
徐君杰
黄波
Original Assignee
舍弗勒技术股份两合公司
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Filing date
Publication date
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 EP18939615.3A priority Critical patent/EP3878673B1/en
Priority to CN201880097421.7A priority patent/CN112689574A/zh
Priority to PCT/CN2018/114532 priority patent/WO2020093302A1/zh
Publication of WO2020093302A1 publication Critical patent/WO2020093302A1/zh

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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
    • B60K6/445—Differential gearing distribution 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
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • 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
    • B60K6/22—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
    • B60K2006/381—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 characterized by driveline brakes
    • 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 invention relates to the technical field of vehicles.
  • the invention particularly relates to a hybrid module for a vehicle, the hybrid module including a hybrid transmission and two electric machines.
  • the invention also particularly relates to a vehicle including the aforementioned hybrid module.
  • a planetary gear mechanism is often provided, because the planetary gear transmission has lower mass, smaller size, larger transmission ratio, larger bearing capacity, smoother transmission and higher transmission efficiency than ordinary fixed-shaft gears.
  • a parallel hybrid transmission for a vehicle is disclosed, in which a planetary gear mechanism is provided in the hybrid transmission, and an internal combustion engine and two electric machines drive the vehicle through the hybrid transmission.
  • a Chinese patent application CN107249917A also discloses a hybrid power module for a vehicle, wherein the hybrid power module has two sets of planetary gear mechanisms, and two motors in the vehicle can respectively The organization transmits power.
  • the internal combustion engine and the motor working under the motor module can only provide a single gear, on the one hand, it is not enough to optimize the working point of the internal combustion engine or the motor, on the other hand, the vehicle cannot provide enough in high speed At high speeds, it cannot provide enough torque in low-speed driving.
  • the technical problem to be solved by the present invention is to provide a hybrid power module for a vehicle, so that the vehicle, especially the hybrid vehicle, can take into account both the power performance and fuel economy in various driving situations.
  • the module can also reduce the rotation loss.
  • a hybrid module for a vehicle includes a hybrid transmission, a first electric machine and a second electric machine
  • the hybrid transmission includes a transmission input shaft and a transmission connected to an internal combustion engine of the vehicle
  • the first planetary gear mechanism includes a first sun gear, a first planet carrier and a first ring gear
  • the second planet gear mechanism includes a second sun gear, a second planet carrier and a second ring gear.
  • the input shaft of the transmission is connected to the first ring gear in a torsion-proof manner, power is transmitted between the first motor and the first sun gear, power is transmitted between the second motor and the second sun gear, and the output shaft of the transmission and the second planet carrier Torsion-resistant connection, in which a first clutch, a second clutch, and a third clutch are provided in the hybrid transmission, wherein the first clutch can engage or disengage the second ring gear and the transmission housing, and the second clutch can engage or disengage The first planet carrier and the second ring gear are opened, and the third clutch can engage or disengage the first planet carrier and the second planet carrier.
  • the hybrid module according to the present invention can provide multiple power transmission paths.
  • the first clutch and the third clutch are engaged, a large torque can be provided to the wheels by the two motors when the vehicle speed is low. Also for example, when only the second clutch is engaged, a large effective vehicle speed range can be provided when the vehicle speed is high.
  • the "input” and “output” are based on the description of the direction of power transmission in the hybrid transmission when the vehicle is driven by an internal combustion engine or an electric motor, which is not limited to a specific working mode.
  • the first motor and the first sun gear can exchange power
  • the second motor and the second sun gear can exchange power
  • the motor transmits power to the planetary gear mechanism
  • the motor is a generator
  • the mode operation for example, when charging is performed by recovering the remaining power, the planetary gear mechanism transmits power to the motor.
  • the second clutch and the third clutch are arranged on the same axis of rotation. It is beneficial to save layout space.
  • the second clutch and the third clutch are connected to the first planet carrier via a common transmission shaft. That is, the second clutch and the third clutch have two ends that can be engaged or disconnected, and the respective ends of the second clutch and the third clutch connected to the first planet carrier are provided on the transmission shaft. This advantageously reduces the number of components of the hybrid module.
  • the first planetary gear mechanism, the first motor, the second clutch, and the third clutch are sequentially arranged on the same rotation axis, wherein the first motor and the first sun gear transmit power through the hollow first motor shaft, and
  • the transmission shaft extends through the first motor shaft and the first motor.
  • the first motor is an inner rotor type motor
  • the hollow first motor shaft is connected to the rotor with the rotation axis
  • the transmission shaft extends radially inward of the first motor shaft and the first motor, that is, the first motor shaft It is arranged on the transmission shaft connected to the first planet carrier in a non-rotating manner with the first motor.
  • connection part for the torsionally connecting the third clutch and the second planet carrier is located radially inward of the connection part for the torsionally connecting the second clutch and the second ring gear. Conducive to achieving a compact connection.
  • first planetary gear mechanism and the second planetary gear mechanism are arranged on the same rotation axis.
  • two sets of planetary gear mechanisms are arranged regularly to reduce the structural size of the hybrid power module.
  • the second clutch and the third clutch are arranged between the first planetary gear mechanism and the second planetary gear mechanism. It is particularly advantageous for the connection between the second clutch and the third clutch and the two sets of planetary gear mechanisms.
  • the second star gear mechanism and the second motor are arranged on the same rotation axis, and the second motor is located on the side of the second planetary gear mechanism that is away from the first planetary gear mechanism.
  • the second motor is of an inner rotor type, and this arrangement is advantageous for fixing the stator of the second motor.
  • the second motor and the second sun gear transmit power through a hollow second motor shaft
  • the transmission output shaft extends through the second motor shaft and the second motor.
  • the hollow second motor shaft and the rotor of the second motor are connected with the axis of rotation, and the second motor shaft and the second motor are disposed on the transmission output shaft in an empty sleeve, that is, the transmission output shaft is on the second motor shaft and the second motor Extends radially inward.
  • a vehicle having the above-mentioned hybrid module having the above-mentioned hybrid module. Therefore, vehicles, especially hybrid vehicles, combining their internal combustion engines, first motor, second motor, and three clutches can provide multiple operating modes, such as pure electric drive mode, pure internal combustion engine drive, through the aforementioned hybrid module Mode, hybrid drive mode, recycling charging mode, standard charging mode, etc. Therefore, the hybrid vehicle can balance power performance and fuel economy in various driving situations, and at the same time, the hybrid module can also reduce the rotation loss.
  • FIG. 1 is a schematic diagram of a hybrid module according to a preferred embodiment of the present invention.
  • FIG. 1 schematically shows a hybrid module according to a preferred embodiment of the present invention.
  • the hybrid module is used in hybrid vehicles.
  • the hybrid module includes a hybrid transmission, a first electric machine 4 and a second electric machine 8.
  • the hybrid transmission includes a transmission input shaft 2 connected to the internal combustion engine 1 of the vehicle, a first planetary gear mechanism 3, a second planetary gear mechanism 7, a first clutch 12, a second clutch 5, a third clutch 6, a differential 9
  • the transmission output shaft 13 and the transmission housing that transmit power.
  • the transmission input shaft 2, the first planetary gear mechanism 3, the first motor 4, the second clutch 5, the third clutch 6, the second planetary gear mechanism 7 and the second motor are sequentially arranged along the same rotation axis 8.
  • the first planetary gear mechanism 3 includes a first sun gear 33, a first planet carrier 32, and a first ring gear 31.
  • the second planetary gear mechanism 7 includes a second sun gear 73, a second planet carrier 72, and a second ring gear 71.
  • the three clutches 12, 5, 6 have respective ends that can be opened and closed.
  • the transmission input shaft 2 is connected to the first ring gear 31 in a torsion-proof manner, the first motor 4 and the first sun gear 33 transmit power through the hollow first motor shaft 10, and the second motor 8 and the second sun gear 73 pass through the hollow second
  • the motor shaft 15 transmits power
  • the transmission output shaft 13 is connected to the second planet carrier 72 in a torsion-proof manner, and the two ends of the first clutch 12 are connected to the second ring gear 71 and the transmission housing, respectively, so that the second ring gear 71 can be selectively connected With transmission case.
  • One end of the second clutch 5 is connected to the first carrier 32 through the transmission shaft 11 and the other end is connected to the second ring gear 71, so that the first carrier 32 and the second ring gear 71 can be selectively connected.
  • the transmission shaft 11 extends through the first motor shaft 10 and the first motor 4 and can transmit power between the first planet carrier 32 and the second planet gear mechanism 7.
  • the transmission output shaft 13 extends through the hollow second motor shaft 15 and the second motor 8 and can output the power transmitted through the hybrid transmission to the next-stage transmission of the vehicle.
  • a transmission output gear 14 can be provided on the transmission output shaft 13 in a rotationally fixed manner, and the transmission output gear 14 is located on a side away from the second planetary gear mechanism 7 with respect to the second electric machine 8.
  • the transmission output gear 14 can transmit power to the differential 9.
  • the hybrid module according to the preferred embodiment of the present invention can provide multiple power transmission paths, for example:
  • the hybrid module it is possible to provide multiple operating modes according to different states of the internal combustion engine 1, the first electric machine 4, the second electric machine 11, the respective clutches 12, 5, 6 such as pure electric drive mode, pure internal combustion engine Drive mode, hybrid drive mode, recycling charging mode, standard charging mode, etc.

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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)
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Abstract

一种混合动力模块及包括上述混合动力模块的车辆，所述混合动力模块包括混合动力变速器、第一电机（4）和第二电机（8），混合动力变速器包括与车辆的内燃机（1）连接的变速器输入轴（2）、变速器输出轴（13）、与变速器输入轴（2）连接的第一行星齿轮机构（3）以及与变速器输出轴（13）连接的第二行星齿轮机构（7），其中，变速器输入轴（2）与第一齿圈（31）抗扭连接，第一电机（4）和第一太阳轮（33）之间传递动力，第二电机（8）和第二太阳轮（73）之间传递动力，变速器输出轴（13）与第二行星架（72）抗扭连接，其中，设置能够接合第二齿圈（71）与变速器壳体的第一离合器（12）、能够接合第一行星架（32）和第二齿圈（71）的第二离合器（5）以及能够接合第一行星架（32）和第二行星架（72）的第三离合器（6）。

Description

混合动力模块和车辆 技术领域
本发明涉及车辆技术领域。本发明特别涉及一种用于车辆的混合动力模块，所述混合动力模块包括混合动力变速器和两个电机。本发明还特别涉及一种包括上述混合动力模块的车辆。
背景技术
在一种当前的插电式混合动力驱动系统中，设置两个电机与混合动力变速器连接，并且内燃机与混合动力变速器连接，由此，该混合动力变速器能够实现多种工作模式。此外，在这种设计方案中，常设置有行星齿轮机构，因为行星齿轮传动相比于普通的定轴齿轮，具有质量小、体积小、传动比大、承载能力大、传动平稳以及传动效率高等优点。例如在美国专利文件US 5558595中公开了一种用于车辆的并联式混合动力变速器，其中，在该混合动力变速器中设置有行星齿轮机构，并且内燃机和两个电机通过该混合动力变速器驱动车辆。又例如，在中国专利申请CN 107249917 A中也公开了一种用于车辆的混合动力模块，其中，该混合动力模块具有两套行星齿轮机构，车辆中的两个电机能够分别向两套行星齿轮机构传递动力。
但是，在上述设计方案中，内燃机和在电动机模块下工作的电机均只能提供单一的挡位，一方面不足以优化内燃机或电机的工作点，另一方面，车辆无法在高速行驶中提供足够大的速度，也无法在低速行驶中提供足够大的扭矩。
另外，例如在城市行驶中，由于车速较低，内燃机效率非常低，因此经常设计在这种情况下将内燃机与混合动力变速器断开，仅靠一个在电动机模式下工作的电机输出扭矩。在这种情况下，例如由于行星齿轮机构的特性，存在电机带动混合动力变速器中在此刻非用于传递动力的旋转部件 一同转动的情况，此时造成大量的旋转损失。
发明内容
因此，本发明所要解决的技术问题是，提供一种用于车辆的混合动力模块，使得车辆，特别是混合动力车辆在各种行驶状况中均能够兼顾动力性能和燃油经济性，同时，混合动力模块还能够减小的旋转损失。
上述技术问题通过一种用于车辆的混合动力模块解决，所述混合动力模块包括混合动力变速器、第一电机和第二电机，其中，混合动力变速器包括与车辆的内燃机连接的变速器输入轴、变速器输出轴、与变速器输入轴连接的第一行星齿轮机构、与变速器输出轴连接的第二行星齿轮机构和变速器壳体，其中，两套行星齿轮机构分别具有太阳轮、行星架和齿圈，即第一行星齿轮机构包括第一太阳轮、第一行星架和第一齿圈，第二行星齿轮机构包括第二太阳轮、第二行星架和第二齿圈。
根据本发明，变速器输入轴与第一齿圈抗扭连接，第一电机和第一太阳轮之间传递动力，第二电机和第二太阳轮之间传递动力，变速器输出轴与第二行星架抗扭连接，其中，在混合动力变速器中设置第一离合器、第二离合器和第三离合器，其中，第一离合器能够接合或断开第二齿圈与变速器壳体，第二离合器能够接合或断开第一行星架和第二齿圈，第三离合器能够接合或断开第一行星架和第二行星架。从而根据本发明的混合动力模块能够提供多种动力传递路径。例如，在仅接合第一离合器时，第一行星齿轮机构和第二行齿轮机构断开，特别在仅靠第二电机驱动车辆时，能够防止第一行星齿轮机构的部件和第二齿圈跟随第二太阳轮和第二行星架转动，有效地减少了旋转损失。又例如，在接合第一离合器和第三离合器时，能够在车速较低的情况下，通过两个电机向车轮提供较大扭矩。还例如，在仅接合第二离合器时，能够在车速较高的情况下，提供较大的有效车速范围。在本发明中，所述“输入”和“输出”均是依据在由内燃机或电机驱动车辆时，动力在混合动力变速器中传递方向的描述，在此并不限定在特定工作模式下，动力在变速器输入件或变速器输出件上的传递方向。此外，第一电机和第一太阳轮之间能够交换动力，第二电机和第二太 阳轮能够交换动力，当电机以电动机模式运行时，电机向行星齿轮机构传递动力，而当电机以发电机模式运行时，例如通过回收剩余动力而充电时，由行星齿轮机构向电机传递动力。
在一种优选的实施方式中，在同一旋转轴线上布置第二离合器和第三离合器。有利于节省布置空间。
优选地，第二离合器和第三离合器通过共同的传动轴与第一行星架相连接。也就是说，第二离合器和第三离合器具有能够接合或断开的两端，第二离合器和第三离合器各自的、与第一行星架连接的一端均设置在该传动轴上。从而有利地减少混合动力模块的零部件数量。
特别优选地，在同一旋转轴线上依次布置第一行星齿轮机构、第一电机、第二离合器和第三离合器，其中，第一电机与第一太阳轮通过空心的第一电机轴传递动力，并且传动轴延伸穿过第一电机轴和第一电机。例如，第一电机是内转子式的电机，并且空心的第一电机轴与转子同旋转轴线地相连，并且传动轴在第一电机轴和第一电机的径向内侧延伸，即第一电机轴和第一电机空套地设置在与第一行星架抗扭连接的传动轴上。从而实现紧凑的布局。
有利地，用于将第三离合器与第二行星架抗扭连接的连接部位于用于将第二离合器和第二齿圈抗扭连接的连接部的径向内侧。有利于实现紧凑的连接。
在另一种优选的实施方式中，在同一旋转轴线上布置第一行星齿轮机构和第二行星齿轮机构。从而在规整地布置两套行星齿轮机构，减小混合动力模块的结构尺寸。
在另一种优选的实施方式中，第二离合器和第三离合器被布置在第一行星齿轮机构和第二行星齿轮机构之间。特别有利于第二离合器和第三离合器与两套行星齿轮机构的连接。
在另一种优选的实施方式中，在同一旋转轴线上布置第二星齿轮机构和第二电机，且第二电机位于第二行星齿轮机构的、远离于第一行星齿轮机构的一侧。例如，第二电机是内转子式的，这种布置方式有利于固定第二电机的定子。
优选地，第二电机与第二太阳轮通过空心的第二电机轴传递动力，并且变速器输出轴延伸穿过第二电机轴和第二电机。空心的第二电机轴与第二电机的转子同旋转轴线地相连，并且第二电机轴和第二电机空套地设置在变速器输出轴上，即变速器输出轴在第二电机轴和第二电机的径向内侧延伸。从而实现紧凑的布局。
上述技术问题还通过一种车辆解决，该车辆具有上述的混合动力模块。因此，车辆，特别是混合动力车辆，结合其内燃机、第一电机、第二电机以及三个离合器的不同状态，能够通过上述混合动力模块提供多种工作模式，例如纯电驱动模式、纯内燃机驱动模式、混合动力驱动模式、回收充电模式、标准充电模式等。因此，混合动力车辆在各种行驶状况中均能够兼顾动力性能和燃油经济性，同时，混合动力模块还能够减小的旋转损失。
附图说明
下面结合附图来示意性地阐述本发明的优选实施方式。附图为：
图1是根据本发明的优选实施方式的混合动力模块的示意图。
具体实施方式
图1示意性地示出根据本发明的优选实施方式的混合动力模块。该混合动力模块用于混合动力车辆。如图所示，该混合动力模块包括混合动力变速器、第一电机4和第二电机8。混合动力变速器包括与车辆的内燃机1连接的变速器输入轴2、第一行星齿轮机构3、第二行星齿轮机构7、第一离合器12、第二离合器5、第三离合器6、向差速器9传递动力的变速器输出轴13和变速器壳体。
在本优选实施方式中，沿同一旋转轴线依次布置变速器输入轴2、第一行星齿轮机构3、第一电机4、第二离合器5、第三离合器6、第二行星齿轮机构7和第二电机8。第一行星齿轮机构3包括第一太阳轮33、第一行星架32和第一齿圈31。第二行星齿轮机构7包括第二太阳轮73、第二行星架72和第二齿圈71。三个离合器12，5，6分别具有能够断开和接合 的两端。变速器输入轴2与第一齿圈31抗扭连接，第一电机4与第一太阳轮33通过空心的第一电机轴10传递动力，第二电机8和第二太阳轮73通过空心的第二电机轴15传递动力，变速器输出轴13与第二行星架72抗扭连接，第一离合器12的两端分别连接第二齿圈71和变速器壳体，从而能够可选择地连接第二齿圈71与变速器壳体。第二离合器5的一端分通过传动轴11与第一行星架32连接，另一端与第二齿圈71连接，从而能够可选择地连接第一行星架32和第二齿圈71。第三离合器6的一端分通过传动轴11与第一行星架32连接，另一端与第二行星架72连接，从而能够可选择地连接第一行星架32和第二行星架72。传动轴11延伸穿过第一电机轴10和第一电机4，并且能够在第一行星架32和第二行星齿轮机构7之间传递动力。变速器输出轴13延伸穿过空心的第二电机轴15和第二电机8，并且能够将经混合动力变速器传递的动力输出到车辆的下一级传动装置。例如，能够在变速器输出轴13上抗扭地设置变速器输出齿轮14，该变速器输出齿轮14位于相对第二电机8远离第二行星齿轮机构7的一侧。通过变速器输出齿轮14能够向差速器9传递动力。
因此，根据本发明的优选实施方式的混合动力模块能够提供多种动力传递路径，例如：
1)仅接合第一离合器12，并且第二离合器5和第三离合器6保持断开。此时，第一行星齿轮机构3和第二行齿轮机构7断开。当仅靠第二电机8驱动车辆时，能够防止第一行星齿轮机构3的部件和第二齿圈71随第二行星齿轮机构7转动，有效地减少了旋转损失。
2)接合第一离合器12和第三离合器6，并且第二离合器5保持断开。此时，第二齿圈71被锁住，内燃机1和第一电机4输出的动力经由第一行星齿轮机构3以及传动轴11被传递至第二行星架72，从而直接传递至变速器输出轴13。因此，特别在车速较低的情况下，能够通过第一电机4和第二电机8向车轮提供较大扭矩。
3)仅接合第二离合器5，并且第一离合器12和第三离合器6保持断开。此时，内燃机1和第一电机4输出的动力经由第一行星齿轮机构3以及传动轴11被传递至第二齿圈71，再配合第二电机8经由第二行星齿轮 机构7共同将动力传递至第二行星架72，从而传递至变速器输出轴13。因此，内燃机1和第一电机4能够在车速较高的情况下，提供较大的有效车速范围。
通过根据本优选实施方式的混合动力模块，能够根据内燃机1，第一电机4，第二电机11，各个离合器12，5，6的不同状态提供多种工作模式，例如纯电驱动模式、纯内燃机驱动模式、混合动力驱动模式、回收充电模式、标准充电模式等。
虽然在上述说明中示例性地描述了可能的实施例，但是应该理解到，仍然通过所有已知的和此外技术人员容易想到的技术特征和实施方式的组合存在大量实施例的变化。此外还应该理解到，示例性的实施方式仅仅作为一个例子，这种实施例绝不以任何形式限制本发明的保护范围、应用和构造。通过前述说明更多地是向技术人员提供一种用于转化至少一个示例性实施方式的技术指导，其中，只要不脱离权利要求书的保护范围，便可以进行各种改变，尤其是关于所述部件的功能和结构方面的改变。
附图标记列表
1     内燃机
2     变速器输入轴
3     第一行星齿轮机构
31    第一齿圈
32    第一行星架
33    第一太阳轮
4     第一电机
5     第二离合器
6     第三离合器
7     第二行星齿轮机构
71    第二齿圈
72    第二行星架
73    第二太阳轮
8     第二电机
9     差速器
10    第一电机轴
11    传动轴
12    第一离合器
13    变速器输出轴
14    变速器输出齿轮
15    第二电机轴

Claims (10)

  1. 一种用于车辆的混合动力模块，所述混合动力模块包括混合动力变速器、第一电机(4)和第二电机(8)，其中，所述混合动力变速器包括与所述车辆的内燃机(1)连接的变速器输入轴(2)、变速器输出轴(13)、与所述变速器输入轴(2)连接的第一行星齿轮机构(3)、与所述变速器输出轴(13)连接的第二行星齿轮机构(7)和变速器壳体，其中，所述第一行星齿轮机构(3)包括第一太阳轮(33)、第一行星架(32)和第一齿圈(31)，所述第二行星齿轮机构(7)包括第二太阳轮(73)、第二行星架(72)和第二齿圈(71)，其特征在于，
    所述变速器输入轴(2)与所述第一齿圈(31)抗扭连接，所述第一电机(4)和所述第一太阳轮(33)之间传递动力，所述第二电机(8)和所述第二太阳轮(73)之间传递动力，所述变速器输出轴(13)与所述第二行星架(72)抗扭连接，
    其中，在所述混合动力变速器中设置第一离合器(12)、第二离合器(5)和第三离合器(6)，其中，所述第一离合器(12)能够接合或断开所述第二齿圈(71)与所述变速器壳体，所述第二离合器(5)能够接合或断开所述第一行星架(32)和所述第二齿圈(71)，所述第三离合器(6)能够接合或断开所述第一行星架(32)和所述第二行星架(72)。
  2. 根据权利要求1所述的混合动力模块，其特征在于，在同一旋转轴线上布置所述第二离合器(5)和所述第三离合器(6)。
  3. 根据权利要求2所述的混合动力模块，其特征在于，所述第二离合器(5)和所述第三离合器(6)通过共同的传动轴(11)与所述第一行星架(32)相连接。
  4. 根据权利要求3所述的混合动力模块，其特征在于，在同一旋转轴线上依次布置所述第一行星齿轮机构(3)、所述第一电机(4)、所述第二离合器(5)和所述第三离合器(6)，其中，所述第一电机(4)与所述第一太阳轮(33)通过空心的第一电机轴(10)传递动力，并且所述传动轴(11)延伸穿过所述第一电机轴(10)和所述第一电机(4)。
  5. 根据权利要求4所述的混合动力模块，其特征在于，用于将所述第三离合器(6)与所述第二行星架(72)抗扭连接的连接部位于用于将所述第二离合器(5)和所述第二齿圈(71)抗扭连接的连接部的径向内侧。
  6. 根据权利要求1所述的混合动力模块，其特征在于，在同一旋转轴线上布置所述第一行星齿轮机构(3)和所述第二行星齿轮机构(7)。
  7. 根据权利要求1所述的混合动力模块，其特征在于，所述第二离合器(5)和所述第三离合器(6)被布置在所述第一行星齿轮机构(3)和所述第二行星齿轮机构(7)之间。
  8. 根据权利要求1所述的混合动力模块，其特征在于，在同一旋转轴线上布置所述第二星齿轮机构(7)和所述第二电机(8)，且所述第二电机(8)位于所述第二行星齿轮机构(7)的、远离于所述第一行星齿轮机构(3)的一侧。
  9. 根据权利要求8所述的混合动力模块，其特征在于，所述第二电机(4)与所述第二太阳轮(73)通过空心的第二电机轴(15)传递动力，并且所述变速器输出轴(13)延伸穿过所述第二电机轴(15)和所述第二电机(8)。
  10. 一种车辆，其特征在于，具有上述权利要求中任一项所述的混合动力模块。
PCT/CN2018/114532 2018-11-08 2018-11-08 混合动力模块和车辆 WO2020093302A1 (zh)

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