WO2019129000A1 - Motorisation hybride et véhicule - Google Patents

Motorisation hybride et véhicule Download PDF

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Publication number
WO2019129000A1
WO2019129000A1 PCT/CN2018/123566 CN2018123566W WO2019129000A1 WO 2019129000 A1 WO2019129000 A1 WO 2019129000A1 CN 2018123566 W CN2018123566 W CN 2018123566W WO 2019129000 A1 WO2019129000 A1 WO 2019129000A1
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WO
WIPO (PCT)
Prior art keywords
gear
output shaft
transmission
dual clutch
engine
Prior art date
Application number
PCT/CN2018/123566
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English (en)
Chinese (zh)
Inventor
刘静
华煜
柴领道
张金涛
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比亚迪股份有限公司
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Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019129000A1 publication Critical patent/WO2019129000A1/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
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio

Definitions

  • the present disclosure relates to a hybrid drive system and a vehicle.
  • the hybrid drive system is generally composed of an engine, a generator, an electric motor, a power source, etc., and the engine and the power source jointly provide power to the vehicle, which results in a structure that is usually complicated, takes up a large space, and has a high cost.
  • the present disclosure provides a hybrid drive system including: an engine; a clutch; a first motor, the first motor generates power by the engine; a transmission, the transmission includes a dual clutch, first a gear shifting gear set, a second gear gear set, a transmission output shaft, an output shaft of the engine being coupled to an input end of the dual clutch, a first output shaft of the dual clutch being coupled to the first gear gear a second output shaft of the dual clutch coupled to the second gear set, the transmission output shaft coupled to the first gear set, the transmission output shaft and the second gear a second motor, a power shaft of the second motor is coupled to the transmission output shaft through the clutch; an output portion for outputting power transmitted by the transmission output shaft to drive the vehicle .
  • the combination of the dual clutch and the two gear gear sets enables the switching of the two gears by controlling the dual clutch, and has a simple structure and convenient operation.
  • the present disclosure also provides a vehicle including the hybrid drive system as described above.
  • FIG. 1 is a schematic schematic diagram of a hybrid drive system in accordance with a first embodiment of the present disclosure
  • FIG. 2 is a schematic schematic diagram of a hybrid drive system in accordance with a second embodiment of the present disclosure
  • FIG. 3 is a schematic conceptual diagram of a hybrid drive system in accordance with a third embodiment of the present disclosure.
  • FIG. 4 is a schematic conceptual diagram of a hybrid drive system in accordance with a fourth embodiment of the present disclosure.
  • a hybrid drive system in accordance with a first embodiment of the present disclosure includes an engine 1, a transmission, and an output.
  • the power of the engine 1 is transmitted to the output portion through the transmission, and the output portion outputs power to drive the vehicle.
  • the transmission includes a dual clutch 4, a first gear gear set, and a second gear gear set, the dual clutch 4 being disposed on the same side of the first gear gear set and the second gear gear set.
  • the dual clutch 4 has an input end 41, a first output shaft 43 and a second output shaft 42, the output shaft of the engine 1 is connected to the input end 41 of the dual clutch 4, and the first output of the dual clutch 4 is shown.
  • the shaft 43 is coupled to the first gear set and the second output shaft 42 of the dual clutch 4 is coupled to the second gear set.
  • the input end 41 of the dual clutch 4 may be the housing of the dual clutch 4, and the dual clutch 4 further includes two driven discs.
  • the first output shaft 43 of the dual clutch 4 may be connected to one of the driven discs by a key, the dual clutch 4
  • the second output shaft 42 can be coupled to the other driven disk by a key.
  • the housing of the dual clutch 4 and the two driven discs may both be disconnected, i.e., the input end 41 is disconnected from both the first output shaft 43 and the second output shaft 42.
  • the housing can be controlled to engage with the corresponding driven plate to rotate synchronously, and the driven plate drives the corresponding output shaft to rotate synchronously, that is, the input end 41 and the first output shaft 43 and the One of the two output shafts 42 is drivingly coupled such that power transmitted from the input terminal 41 can be output through one of the first output shaft 43 and the second output shaft 42.
  • the housing of the dual clutch 4 can also be engaged with the two driven disks at the same time, that is, the input end 41 can also be in driving connection with the first output shaft 43 and the second output shaft 42 at the same time, so that the input end 41 is transmitted. Power can be output through both the first output shaft 43 and the second output shaft 42 at the same time.
  • control strategy can be adaptively set according to the actual required transmission mode, so that the input 41 and the two outputs can be The axes are all disconnected and the input 41 is switched between a plurality of modes, such as one of the two output shafts.
  • the combination of the dual clutch 4 and the two gear sets makes it possible to switch between the two gears by controlling the dual clutch 4.
  • the housing of the dual clutch 4 can be controlled to engage with the driven disk corresponding to the first output shaft 43 such that the input 41 of the dual clutch 4 is The first output shaft 43 is drivingly connected;
  • the casing of the dual clutch 4 can be controlled to engage with the driven plate corresponding to the second output shaft 42, so that the input end 41 of the dual clutch 4 It is drivingly connected to the second output shaft 42.
  • the first gear gear set includes a first driving gear 5 and a first driven gear 6, and the first driving gear 5 and the first driven gear 6 may be directly engaged or may be meshed with the intermediate gear, thereby transmitting through the intermediate gear connection.
  • the second gear gear set includes a second driving gear 7 and a second driven gear 8, and the second driving gear 7 and the second driven gear 8 may be directly engaged or may be meshed with the intermediate gear, thereby being transmitted through the intermediate gear connection.
  • the first gear gear set may be a low gear gear set
  • the second gear gear set may be a high gear gear set, but the disclosure is not limited thereto, and in other embodiments, the first gear gear set may be high
  • the gear set, the second gear set can be a low gear set.
  • the transmission may also include a transmission output shaft 10, each of which is mounted on the transmission output shaft 10 such that the transmission output shaft 10 can be coupled to the first driven gear 6 and the second driven gear 8 synchronous rotation. Both the power from the first gear set and the power from the second gear set are output outward through the transmission output shaft 10.
  • the hybrid drive system also includes a first motor 2 and a second motor 3.
  • the first motor 2 can generate electricity either by the engine 1 or as an electric motor to drive the vehicle.
  • the second motor 3 can be used to drive the vehicle as well as to generate electricity.
  • the first electric machine 2 is located between the engine 1 and the transmission, one end of the power shaft of the first electric machine 2 is connected to the output shaft of the engine 1, and the other end is input to the dual clutch 4.
  • the ends 41 are connected, and the rotational speed of the first motor 2 is equal to the rotational speed of the engine 1.
  • the first transmission gear 12 is mounted on the power shaft of the second motor 3, the first transmission gear 12 is meshed with the second transmission gear 13, and the second transmission gear 13 is disposed in the transmission.
  • One end of the output shaft 10, the second transmission gear 13 and the transmission output shaft 10 are connected by a clutch 11.
  • the clutch 11 By providing the clutch 11, so that in the pure fuel operating conditions (including the pure fuel driving condition and the pure fuel generating condition), the second motor 12 can be disengaged from the transmission output shaft 10 by controlling the clutch 11 to be disengaged, thereby reducing Small load to improve work efficiency.
  • the output is configured to transmit power output by the transmission to the wheels of the vehicle.
  • the output portion may include an output gear 14 and a differential 15.
  • the output gear 14 is mounted on the transmission output shaft 10 and rotates in synchronization with the transmission output shaft 10, and the output gear 14 meshes with the main reduction gear 16 of the differential 15.
  • the function of the differential 15 is to roll the left and right wheels at different angular velocities when the vehicle is turning or driving on an uneven road surface to ensure a pure rolling motion between the wheels on both sides and the ground.
  • the differential 15 is provided with a main reduction gear 16 which can be arranged, for example, on the housing of the differential 15.
  • FIG. 2 is a schematic schematic diagram of a second embodiment in accordance with the present disclosure.
  • the second embodiment differs from the first embodiment mainly in that, in the second embodiment, the power shaft of the second motor 3 is sleeved on the second output shaft 42 of the dual clutch 4, so that the hybrid drive system
  • the structure is more compact and easy to arrange on the whole vehicle.
  • FIG. 3 is a schematic schematic diagram of a third embodiment in accordance with the present disclosure.
  • the third embodiment differs from the first embodiment mainly in that, in the third embodiment, the power shaft of the first motor 2 and the output shaft of the engine 1 are connected by a gear speed increasing mechanism such that the first motor 2 The rotational speed is greater than the rotational speed of the engine 1, thereby matching the engine 1 with the high efficiency region when the first electric machine 2 is used for the generator to improve the power generation efficiency.
  • a first speed increasing gear 17 is mounted on the power shaft of the first motor 2
  • a second speed increasing gear 18 is mounted on the output shaft of the engine 1, the first speed increasing gear 17 and the second speed increasing gear. 18 is engaged, and the number of teeth of the first speed increasing gear 17 is smaller than the number of teeth of the second speed increasing gear 18.
  • FIG. 4 is a schematic schematic diagram of a fourth embodiment in accordance with the present disclosure.
  • the fourth embodiment differs from the first embodiment mainly in that, in the fourth embodiment, the power shaft of the second motor 3 is in line with the transmission output shaft 10, and the power shaft and the transmission of the second motor 3 The output shaft is connected by a clutch 11.
  • the hybrid drive system of the present disclosure may have the following operating conditions;
  • the second motor 3 pure electric working conditions.
  • the input end 41 of the control dual clutch 4 and the two output shafts are both disconnected, neither the engine 1 nor the first motor 2 is operated, and the second motor 3 drives the wheels through the differential 15.
  • This condition is mainly used for uniform speed or urban road surface, and the battery has a high power.
  • the advantage of this condition is that the second motor 3 is directly driven, the transmission chain is the shortest, and the components involved in the operation are the least, and the highest transmission efficiency and the minimum noise can be achieved.
  • the second motor 3 is a main power source and has full power output; the first motor 2 is an auxiliary power source and limits power output.
  • the input 41 of the control dual clutch 4 is connected to one of the two output shafts.
  • the two motors adjust the speed to ensure that the angular velocity transmitted to the transmission output shaft 10 is uniform.
  • This working condition is mainly used for large load situations such as acceleration, climbing, overtaking, high speed, etc., and the battery power is high.
  • This condition has better power performance than single-motor drive. Compared with hybrid power, it has better economy and lower noise.
  • the typical application that can highlight its advantages is the steep slope (panshan road). Congested road conditions.
  • the engine 1, the first motor 2 and the second motor 3 each drive a wheel.
  • the two motors are adjustable to match the angular velocity of the transmission output shaft 10.
  • the advantage of this condition is that the three-engine engine 1, the first motor 2 and the second motor 3 are simultaneously driven, and the maximum dynamic performance can be exerted.
  • the input end 41 of the control dual clutch 4 is connected to one of the two output shafts, and the first motor 2 and the second motor 3 are both inoperative, and the gear shift can be realized by the dual clutch 4.
  • the engine 1 drives the charging condition.
  • the first motor 2 is simultaneously driven to generate electricity based on the independent driving conditions of the engine 1.
  • the second motor 3 generates electricity when the vehicle brakes.
  • This condition is mainly used for downhill, braking or deceleration of vehicles.
  • the advantage of this condition is that the maximum energy of the feedback is achieved during deceleration or braking.
  • the engine 1 drives the first electric machine 2 to generate electricity on the one hand, and transmits power to the differential 15 through the dual clutch 4 and the gear shifting group to drive the wheels, and the second electric machine 3 drives the wheels through the differential 15 on the other hand.
  • This working condition is mainly used for large load situations such as acceleration and climbing, and the power is not much.
  • the advantage of this condition is that the entire power of the engine 1 can be exerted, and the power of the vehicle can be ensured, and power generation can be simultaneously performed to maintain the power of the battery.
  • the transmission can provide two gear positions, the rotation speed and torque of the engine 1 can be adjusted to some extent, and the working efficiency of the engine 1 can be improved.
  • the gear shifting of the transmission is achieved by the dual clutch 4, which is capable of allowing the engagement process of one driven disk to overlap with the disconnection process of the other driven disk when the shifting is switched, thereby avoiding
  • the instantaneous interruption of torque transmission ensures the smooth shifting process and the smooth running of the whole vehicle.
  • the dual clutch has a large advantage in both smoothness and reliability.
  • a hybrid drive system comprising: an engine 1; a clutch 11; a first electric machine 2, the first electric machine 2 being coupled to the engine 1 in a power coupling; and a transmission including a dual clutch 4, a first gear a set, a second gear gear set, a transmission output shaft 10, an output shaft of the engine 1 being coupled to an input 41 of the dual clutch 4, a first output shaft 43 of the dual clutch 4 being coupled to the first a gear gear set, a second output shaft 42 of the dual clutch 4 is coupled to the second gear gear set, the transmission output shaft 10 is coupled to the first gear gear set, the transmission output shaft 10 Connected to the second gear gear set; the second motor 3, the power shaft of the second motor 3 is connected to the transmission output shaft 10 through the clutch; the output portion, the output portion is used for outputting The power transmitted by the transmission output shaft 10 is used to drive the vehicle.
  • the first output shaft 43 is overlaid on the second output shaft 42.
  • one end of the power shaft of the first electric machine 2 is coupled to the output shaft of the engine 1 and the other end is coupled to the input end 41 of the dual clutch 4.
  • the output shaft of the engine 1 is coupled to the power shaft of the first electric machine 2 via a gear accelerating mechanism.
  • the gear speed increasing mechanism includes a first speed increasing gear 17 and a second speed increasing gear 18 that are in mesh with each other, and the first speed increasing gear 17 is coupled to a power shaft of the first motor 2,
  • the second speed increasing gear 18 is coupled to an output shaft of the engine 1, wherein the number of teeth of the first speed increasing gear 17 is smaller than the number of teeth of the second speed increasing gear 18.
  • the first range gear set includes a first drive gear 5 and a first driven gear 6, and the second range gear set includes a second drive gear 7 and a second driven gear 8, a first output shaft 43 of the dual clutch 4 is coupled to the first drive gear 5, a second output shaft 42 of the dual clutch 4 is coupled to the second drive gear 7, the transmission output shaft 10 and The first driven gear 6 is connected, and the transmission output shaft 10 and the second driven gear 8 are connected.
  • the power shaft of the second electric machine 3 is coupled to the first transfer gear 12, the first transfer gear 12 is meshed with the second transfer gear 13, and the second transfer gear 13 is disposed at the transmission One end of the output shaft 10 is connected to the transmission output shaft 10 via the clutch 11.
  • the power shaft of the second electric machine 3 is sleeved on the second output shaft 42 of the dual clutch 4.
  • the power shaft of the second electric machine 3 is in line with the transmission output shaft 10.
  • a vehicle comprising the hybrid drive system of any of the above.

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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

Une motorisation hybride et un véhicule, la motorisation hybride comprend : un moteur (1) ; un embrayage (11) ; un premier moteur (2), le premier moteur (2) générant de l'électricité sous l'entraînement du moteur (1) ; une transmission, comprenant un embrayage double (4), un premier ensemble d'engrenages de position, un second ensemble d'engrenages de position et un arbre de sortie de transmission (10), un arbre de sortie du moteur (1) étant relié à une extrémité d'entrée (41) de l'embrayage double (4), un premier arbre de sortie (43) de l'embrayage double (4) étant relié au premier ensemble d'engrenages de position, un second arbre de sortie (42) de l'embrayage double (4) étant relié au second ensemble d'engrenages de position, l'arbre de sortie de transmission (10) étant relié au premier ensemble d'engrenages de position, et l'arbre de sortie de transmission (10) étant relié au second ensemble d'engrenages de position ; un second moteur (3), un arbre de puissance du second moteur (3) étant relié à l'arbre de sortie de transmission (10) au moyen de l'embrayage (11) ; et une partie de sortie, utilisée pour délivrer de l'énergie transmise par l'arbre de sortie de transmission (10) de façon à entraîner le véhicule.
PCT/CN2018/123566 2017-12-29 2018-12-25 Motorisation hybride et véhicule WO2019129000A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721923268.8 2017-12-29
CN201721923268.8U CN207809032U (zh) 2017-12-29 2017-12-29 混合动力驱动系统及车辆

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WO2019129000A1 true WO2019129000A1 (fr) 2019-07-04

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207809032U (zh) * 2017-12-29 2018-09-04 比亚迪股份有限公司 混合动力驱动系统及车辆
CN110936805A (zh) * 2018-09-21 2020-03-31 长城汽车股份有限公司 用于车辆的动力传动系统以及车辆
CN110936804A (zh) * 2018-09-21 2020-03-31 长城汽车股份有限公司 用于车辆的动力传动系统及车辆
CN109808480A (zh) * 2019-03-13 2019-05-28 合肥工业大学 一种双离合器耦合的混合动力两档驱动系统
CN110513448A (zh) * 2019-08-27 2019-11-29 宁波上中下自动变速器有限公司 一种混合动力变速器及车辆
CN114194020A (zh) * 2021-12-15 2022-03-18 奇瑞汽车股份有限公司 混合动力系统及车辆
CN114211950A (zh) * 2021-12-24 2022-03-22 奇瑞汽车股份有限公司 混合动力系统及车辆

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JP2009173204A (ja) * 2008-01-25 2009-08-06 Aisin Ai Co Ltd 車両における動力装置
CN103144528A (zh) * 2013-02-20 2013-06-12 上海中科深江电动车辆有限公司 应用于混合动力汽车的双离合变速器及其使用方法
CN106274441A (zh) * 2016-08-25 2017-01-04 东风汽车公司 一种带有双离合器的多模式混合动力传动装置
CN107444097A (zh) * 2016-05-31 2017-12-08 上海汽车集团股份有限公司 混合动力汽车及其动力总成、控制系统、控制方法
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JP2009173204A (ja) * 2008-01-25 2009-08-06 Aisin Ai Co Ltd 車両における動力装置
CN103144528A (zh) * 2013-02-20 2013-06-12 上海中科深江电动车辆有限公司 应用于混合动力汽车的双离合变速器及其使用方法
CN107444097A (zh) * 2016-05-31 2017-12-08 上海汽车集团股份有限公司 混合动力汽车及其动力总成、控制系统、控制方法
CN106274441A (zh) * 2016-08-25 2017-01-04 东风汽车公司 一种带有双离合器的多模式混合动力传动装置
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