WO2019129203A1 - Transmission, système d'entraînement de puissance et véhicule - Google Patents

Transmission, système d'entraînement de puissance et véhicule Download PDF

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Publication number
WO2019129203A1
WO2019129203A1 PCT/CN2018/124898 CN2018124898W WO2019129203A1 WO 2019129203 A1 WO2019129203 A1 WO 2019129203A1 CN 2018124898 W CN2018124898 W CN 2018124898W WO 2019129203 A1 WO2019129203 A1 WO 2019129203A1
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WO
WIPO (PCT)
Prior art keywords
gear
dual clutch
transmission
output
shaft
Prior art date
Application number
PCT/CN2018/124898
Other languages
English (en)
Chinese (zh)
Inventor
穆金辉
王坤城
白云辉
王春生
朱新明
Original Assignee
比亚迪股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019129203A1 publication Critical patent/WO2019129203A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft

Definitions

  • the present disclosure relates to a transmission, a power drive system, and a vehicle.
  • the transmission is one of the main assemblies of the automotive transmission system.
  • the actual use of the car is very complicated, such as starting, idle parking, low speed or high speed driving, acceleration, deceleration, climbing and reversing, which requires the driving force and speed of the car to vary within a considerable range.
  • the widely used piston engine has a small range of output torque and rotational speed.
  • the engine is operated under favorable conditions (high power, low fuel consumption), and needs to be in the transmission system.
  • Set the transmission in the middle For motor vehicles driven by new energy vehicles, although the range of motor speed varies, in order to match the high efficiency area of the motor, in some cases it is necessary to provide a transmission in the transmission system.
  • Prior art transmissions are generally complex in construction and costly.
  • the present disclosure provides a transmission including a first dual clutch, a second dual clutch, a first gear gear set, a second gear gear set, and a third gear gear set, the first gear position
  • the gear set includes a first gear and a second gear
  • the second gear gear set includes a third gear and a fourth gear
  • the third gear gear set includes a fifth gear and a sixth gear
  • the first double a first output shaft of the clutch is coupled to the first gear
  • a second output shaft of the first dual clutch is coupled to the third gear and a fifth gear
  • a first input shaft of the second dual clutch is coupled to The sixth gear
  • the second input shaft of the second dual clutch is coupled to the second gear and the fourth gear.
  • the second range gear set is located between the first range gear set and the third range gear set.
  • the first gear meshes with a second gear
  • the third gear meshes with a fourth gear
  • the fifth gear meshes with a sixth gear.
  • the transmission further includes a clutch, the second gear and the fourth gear are coupled by the clutch, and a second input shaft of the second dual clutch and the second gear pass Said clutch connection.
  • the transmission further includes a first transmission gear, a second transmission gear, and a transmission output shaft, an output of the second dual clutch being coupled to the first transmission gear, the second transmission gear Mounted on the transmission output shaft and meshed with the first transmission gear.
  • the combination of the dual clutch and the three-gear gear set makes it possible to obtain a four-speed transmission that is simple in structure and convenient to operate.
  • the present disclosure also provides a power drive system including an engine, a transmission as described above, and an output, the power shaft of the engine being coupled to an input of the first dual clutch, the output being for transmitting The power output of the transmission is used to drive the vehicle.
  • the system further includes a first electric machine that is powered by the engine.
  • a power shaft of the first electric machine is coupled to the second gear.
  • system further includes a second electric machine, the output portion further configured to output power from the second electric machine to drive the vehicle.
  • a power shaft of the second electric machine is coaxially coupled to a second output shaft of the first dual clutch.
  • the present disclosure also provides a vehicle including the power drive system as described above.
  • FIG. 1 is a schematic structural view of a transmission according to a first embodiment of the present disclosure
  • FIG. 2 is a schematic structural view of a transmission according to a second embodiment of the present disclosure.
  • FIG. 3 is a schematic conceptual diagram of a power drive system in accordance with an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a vehicle in accordance with an embodiment of the present disclosure.
  • a transmission is provided, as shown in FIG. 1, the transmission includes a first dual clutch 4, a second dual clutch 5, a first gear gear set, a second gear gear set, and a third gear Bit gear set.
  • the first gear gear set includes a first gear 6 and a second gear 7, the second gear gear set includes a third gear 8 and a fourth gear 9, and the third gear gear set includes a fifth gear 10 and a sixth gear 11 .
  • the first gear 6, the third gear 8, and the fifth gear 10 are disposed on the same axis, and the second gear 7, the fourth gear 9, and the sixth gear 11 are disposed on the other axis.
  • the second gear set is located between the first gear gear set and the third gear gear set.
  • the first gear 6 and the second gear 7 may be directly engaged or may be meshed with the intermediate gear and connected by the intermediate gear.
  • the third gear 8 and the fourth gear 9 may be directly engaged or may be meshed with the intermediate gear and connected by the intermediate gear.
  • the fifth gear 10 and the sixth gear 11 may be directly engaged or may be meshed with the intermediate gear and connected by the intermediate gear.
  • the first dual clutch 4 has an input 41, a first output shaft 42 and a second output shaft 43.
  • the power shaft of the first motor 2 is coupled to the input end 41 of the first dual clutch 4, the first output shaft 42 of the first dual clutch 4 is coupled to the first gear 6, the first gear 6 and the first of the first dual clutch 4
  • the output shaft 42 rotates synchronously.
  • the third gear 8 and the fifth gear 10 are mounted on the second output shaft 43 of the first dual clutch 4, and the third gear 8 and the fifth gear 10 rotate in synchronization with the second output shaft 43.
  • the first dual clutch 4 is located on the same side of the first gear gear set, the second gear gear set and the third gear gear set and is adjacent to the first gear position.
  • the gear set is arranged such that the first output shaft 42 of the first dual clutch 4 is sleeved over the second output shaft 43 to make the transmission structure more compact and easy to arrange on the entire vehicle.
  • the input end 41 of the first dual clutch 4 may be the housing of the first dual clutch 4, the first dual clutch 4 further comprising two driven discs, the first output shaft 42 of the first dual clutch 4 being movable with one of the The disk is connected by a key, and the second output shaft 43 of the first dual clutch 4 can be connected to the other driven disk by a key.
  • the housing of the first dual clutch 4 and the two driven discs may both be disconnected, i.e., the input end 41 of the first dual clutch 4 is disconnected from both the first output shaft 42 and the second output shaft 43.
  • the housing of the first dual clutch 4 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 first dual clutch 4
  • the input 41 is in driving connection with one of the first output shaft 42 and the second output shaft 43 such that the power transmitted from the input 41 can be output through one of the first output shaft 42 and the second output shaft 43.
  • control strategy can be adaptively set according to the actual required transmission mode, so that the input terminal 41 and the two can be The output shafts are all disconnected and the input 41 is switched between a plurality of modes, such as one of the two output shafts.
  • the second dual clutch 5 has a first input shaft 52, a second input shaft 53, and an output end 51, the first input shaft 52 of the second dual clutch 5 is connected to the sixth gear 11, and the second input of the second dual clutch 5
  • the shaft 53 is connected to the second gear 7 and the fourth gear 9.
  • the second dual clutch 5 is located on the same side of the first gear gear set, the second gear gear set and the third gear gear set and is adjacent to the third gear position.
  • a gear set that is, the first dual clutch 4 and the second dual clutch 5 are respectively located on both sides of the first gear gear set, the second gear gear set and the third gear gear set, and the second dual clutch 5
  • An input shaft 52 is sleeved over the second input shaft 53 to make the transmission structure more compact and easy to arrange on the entire vehicle.
  • the output 51 of the second dual clutch 5 may be the housing of the second dual clutch 5, the second dual clutch 5 further includes two driven discs, and the first input shaft 52 of the second dual clutch 5 may be driven with one of the two The disk is connected by a key, and the second input shaft 53 of the second dual clutch 5 can be connected to the other driven disk by a key.
  • the housing of the second dual clutch 5 and the two driven discs may both be disconnected, that is, the output end 51 is disconnected from both the first input shaft 52 and the second input shaft 53.
  • the corresponding driven disc can be controlled to engage with the housing, so that the driven disc drives the housing to rotate synchronously, that is, the output end 51 and the first input.
  • One of the shaft 52 and the second input shaft 53 is drivingly coupled such that power transmitted from one of the first input shaft 52 and the second output shaft 53 can be output through the output terminal 51.
  • control strategy can be adaptively set according to the actual required transmission mode, so that the output 51 and the output can be The input shafts are all disconnected and the output 51 is switched between a plurality of modes, such as one of the two input shafts.
  • the combination of two dual clutches and three gear gear sets enables a four-speed transmission that is simple in construction and convenient to operate.
  • the transmission may further include a first transmission gear 13, a second transmission gear 14, and a transmission output shaft 15, and an output 51 of the second dual clutch 5 is coupled to the first transmission gear 13
  • the second transfer gear 14 meshes with the first transfer gear 13, and the second transfer gear 14 is mounted on the transmission output shaft 15.
  • the transmission may further include a clutch 12 disposed between the second gear 7 and the fourth gear 9, and the second gear 7 and the fourth gear 9 are coupled by the clutch 12.
  • the fourth gear 9 is mounted on the second input shaft 53 of the second dual clutch 5, and the fourth gear 9 rotates in synchronization with the second input shaft 53 of the second dual clutch 5.
  • a power drive system 100 is provided, as shown in FIG. 3, including an engine 1, a transmission as described above, and an output.
  • the power shaft of the engine 1 is coupled to the input 41 of the first dual clutch 4, and the output is for transmitting power output from the transmission to drive the vehicle.
  • the output portion may include an output gear 16 and may also include an output gear 16 and a differential 17.
  • the output gear 16 is mounted on the transmission output shaft 15 and rotates in synchronization with the transmission output shaft 15, and the output gear 16 meshes with the main reduction gear 18 of the differential 17.
  • the function of the differential 17 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.
  • a differential reduction gear 18 is provided on the differential 17, and the main reduction gear 18 can be arranged, for example, on the housing of the differential 17.
  • the power drive system 100 may further include a first motor 2 that may generate power under the driving of the engine 1 or may output power as a motor to drive the vehicle.
  • the first electric machine 2 can be coupled into the power drive system by any suitable means.
  • the power shaft of the first motor 2 is connected to the second gear 7, that is, the second gear 7 is mounted on the power shaft of the first motor 2, and the second gear 7 and the first motor 2
  • the power shaft rotates synchronously.
  • the fourth motor power transmission of the first motor 2 can be realized by controlling the clutch 12, the first dual clutch 4, and the second dual clutch 5.
  • the input end 41 of the first dual clutch 4 is not connected to the two output shafts of the first dual clutch 4, and the second input shaft 53 of the second dual clutch 5 and the output end 51 of the second dual clutch 5
  • the power of the first motor 2 sequentially passes through the clutch 12, the second input shaft 53 of the second dual clutch 5, the output end 51 of the second dual clutch 5, the first transmission gear 13, the second transmission gear 14, and the transmission output.
  • the shaft 15, the output gear 16, the main reduction gear 18, and the differential 17 are transmitted to the wheels.
  • the input end 41 of the first dual clutch 4 is not connected to the two output shafts of the first dual clutch 4, the first input shaft 52 of the second dual clutch 5 and the output end 51 of the second dual clutch 5
  • the power of the first motor 2 sequentially passes through the clutch 12, the fourth gear 9, the third gear 8, the fifth gear 10, the sixth gear 11, the first input shaft 52 of the second dual clutch 5, and the second dual clutch.
  • the output 51 of the fifth, the first transfer gear 13, the second transfer gear 14, the transmission output shaft 15, the output gear 16, the reduction gear 18 and the differential 17 are transmitted to the wheels.
  • the input end 41 of the first dual clutch 4 is coupled to both output shafts of the first dual clutch 4, and the first input shaft 52 of the second dual clutch 5 and the output end 51 of the second dual clutch 5
  • the power of the first motor 2 sequentially passes through the second gear 7, the first gear 6, the first output shaft 42 of the first dual clutch 4, the input end 41 of the first dual clutch 4, and the first dual clutch 4.
  • the output shaft 15, the output gear 16, the final reduction gear 18, and the differential 17 are transmitted to the wheels.
  • the input end 41 of the first dual clutch 4 is connected to both output shafts of the first dual clutch 4, and the second input shaft 53 of the second dual clutch 5 and the output end 51 of the second dual clutch 5 are connected.
  • the power of the first motor 2 sequentially passes through the second gear 7, the first gear 6, the first output shaft 42 of the first dual clutch 4, the input end 41 of the first dual clutch 4, and the first dual clutch 4.
  • the output shaft 15, the output gear 16, the final reduction gear 18, and the differential 17 are transmitted to the wheels.
  • the power drive system also includes a second electric machine 3 that can function both as an electric motor for driving the vehicle and as a generator for power generation.
  • the second electric machine 3 can be coupled into the power drive system in a variety of ways.
  • the power shaft of the second electric machine 3 is coaxially connected to the second output shaft 43 of the first dual clutch 4.
  • the second motor 3 can be selectively driven by the second gear gear or the third gear gear to drive the vehicle by controlling the second dual clutch 5, thereby realizing the second motor 3.
  • the first motor 2 and the second motor 3 may be located on both sides of the transmission, respectively.
  • the transmission may be the engine 1 and/or the first motor 2 Four gears are provided, so that the speed and torque of the engine 1 and/or the first motor 2 can be adjusted to some extent, improving the operating efficiency of the engine 1 and/or the first motor 2.
  • the gear shifting of the transmission is achieved by a dual clutch 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 torque transmission.
  • the instantaneous interruption ensures the shifting process and the smooth running of the whole vehicle.
  • the dual clutch has a large advantage in both smoothness and reliability.
  • a vehicle 200 is provided. As shown in FIG. 4, the vehicle includes the above-described power drive system 100. Since the present disclosure is provided with the above-described power drive system 100, the vehicle 200 has a simple overall structure. ,low cost.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Structure Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne une transmission, un système d'entraînement de puissance et un véhicule, la transmission comprenant un premier embrayage double (4), un second embrayage double (5), un premier ensemble d'engrenage, un deuxième ensemble d'engrenage et un troisième ensemble d'engrenage, le premier ensemble d'engrenage comprenant un premier engrenage (6) et un deuxième engrenage (7), le deuxième ensemble d'engrenage comprenant un troisième engrenage (8) et un quatrième engrenage (9), le troisième ensemble d'engrenage comprenant un cinquième engrenage (10) et un sixième engrenage (11), un premier arbre de sortie (42) du premier embrayage double (4) étant relié au premier engrenage (6), un deuxième arbre de sortie (43) du premier embrayage double (4) étant relié au troisième engrenage (8) et au cinquième engrenage (10), un premier arbre d'entrée (52) du deuxième embrayage double (5) étant relié au sixième engrenage (11), et un deuxième arbre d'entrée (53) du deuxième embrayage double (5) étant relié au deuxième engrenage (7) et au quatrième engrenage (9).
PCT/CN2018/124898 2017-12-29 2018-12-28 Transmission, système d'entraînement de puissance et véhicule WO2019129203A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711480500.XA CN109990053B (zh) 2017-12-29 2017-12-29 变速器、动力驱动系统及车辆
CN201711480500.X 2017-12-29

Publications (1)

Publication Number Publication Date
WO2019129203A1 true WO2019129203A1 (fr) 2019-07-04

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WO (1) WO2019129203A1 (fr)

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CN111319608B (zh) * 2019-12-27 2023-09-26 福建中维动力科技股份有限公司 基于一体式混合动力系统的倒车控制系统
CN111319603B (zh) * 2019-12-27 2023-09-26 福建中维动力科技股份有限公司 基于高效混合动力系统的发动机点火控制系统
CN111319607B (zh) * 2019-12-27 2023-09-26 福建中维动力科技股份有限公司 基于高效混合动力系统的倒车控制系统
CN111322188B (zh) * 2019-12-27 2022-05-31 福建中维动力科技股份有限公司 基于一体式混合动力系统的发动机点火控制系统
CN111319609B (zh) * 2019-12-27 2023-09-26 福建中维动力科技股份有限公司 基于紧凑型混合动力系统的倒车控制系统
CN111319604B (zh) * 2019-12-27 2023-09-26 福建中维动力科技股份有限公司 基于紧凑型混合动力系统的发动机点火控制系统
DE102020004777A1 (de) * 2020-08-06 2020-10-01 FEV Group GmbH Antriebseinheit für ein Kraftfahrzeug

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DE102006036758A1 (de) * 2006-08-05 2008-02-28 Zf Friedrichshafen Ag Automatisiertes Doppelkupplungsgetriebe eines Kraftfahrzeuges
CN102691770A (zh) * 2012-05-29 2012-09-26 浙江吉利汽车研究院有限公司杭州分公司 一种混合动力用的双离合器变速器
CN106553528A (zh) * 2015-09-25 2017-04-05 比亚迪股份有限公司 动力驱动系统及具有其的车辆
CN106585362A (zh) * 2015-10-13 2017-04-26 广州汽车集团股份有限公司 一种混合动力汽车动力耦合系统及其控制方法

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CN109990053A (zh) 2019-07-09
CN109990053B (zh) 2022-04-15

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