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CN107559413A - 用于混合动力车辆的变速器 - Google Patents

用于混合动力车辆的变速器 Download PDF

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Publication number
CN107559413A
CN107559413A CN201610988849.3A CN201610988849A CN107559413A CN 107559413 A CN107559413 A CN 107559413A CN 201610988849 A CN201610988849 A CN 201610988849A CN 107559413 A CN107559413 A CN 107559413A
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gear
output shaft
input shaft
power
shaft
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Granted
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CN107559413B (zh
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渔顺基
权纯星
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Hyundai Motor Co
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Hyundai Motor Co
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54Transmission for changing ratio
    • B60K6/547Transmission for changing ratio the transmission being a stepped gearing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/68Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
    • F16H61/684Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive
    • F16H61/688Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36Arrangement 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 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
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48Parallel type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/006Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/085Toothed 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/087Toothed 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 characterised by the disposition of the gears
    • F16H3/089Toothed 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 characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/087Toothed 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 characterised by the disposition of the gears
    • F16H3/093Toothed 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 characterised by the disposition of the gears with two or more countershafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/10Toothed 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 one or more one-way clutches as an essential feature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48Parallel type
    • B60K2006/4816Electric machine connected or connectable to gearbox internal shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42Arrangement 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48Parallel type
    • B60K2006/4825Electric machine connected or connectable to gearbox input shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/90Vehicles comprising electric prime movers
    • B60Y2200/92Hybrid vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00Special features of vehicle units
    • B60Y2400/70Gearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0043Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising four forward speeds
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S903/00Hybrid electric vehicles, HEVS
    • Y10S903/902Prime movers comprising electrical and internal combustion motors
    • Y10S903/903Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
    • Y10S903/904Component specially adapted for hev
    • Y10S903/909Gearing
    • YGENERAL 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
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    • Y10S903/902Prime movers comprising electrical and internal combustion motors
    • Y10S903/903Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
    • Y10S903/904Component specially adapted for hev
    • Y10S903/915Specific drive or transmission adapted for hev
    • Y10S903/917Specific drive or transmission adapted for hev with transmission for changing gear ratio
    • Y10S903/919Stepped shift

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

Abstract

本发明提供了一种用于混合动力车辆的变速器,该变速器包括:主离合器和副离合器,其设置在第一输入轴和第二输入轴上,以将来自发动机的动力选择性地传输至输出轴。具有不同传动比的第一和第二成对发动机侧齿轮与副离合器和输出轴啮合并与第二输入轴和输出轴啮合,使得选择成对齿轮。第三输入轴利用从电机接收的动力来进行旋转。具有不同传动比的多个成对电机侧齿轮与第三输入轴和输出轴啮合,使得适合于车辆速度的成对齿轮通过电机侧接合/脱开单元来进行选择。单向离合器允许动力仅从第三输入轴传输到输出轴。

Description

用于混合动力车辆的变速器
技术领域
本发明涉及用于混合动力车辆的变速器,以便提高混合动力车辆的燃料效率和市场竞争力。
背景技术
本部分的陈述仅提供涉及本发明的背景信息,而可以不构成现有技术。
自动的手动变速器在车辆在巡航时,通过允许挡位利用致动器自动地改变,而提供类似于由自动变速器提供的驾驶便利性。自动的手动变速器可有利于燃料效率的提高,这是因为自动的手动变速器的动力传递效率比自动变速器更好。
自动的手动变速器包括在手动变速器中使用的液压致动器,从而通过控制挡位来改变挡位的过程可以利用变速器控制单元(TCU)来自动地执行,而不是靠驾驶员手动地执行。
然而,基于同步啮合换挡机构的自动的手动变速器不可避免地涉及这样的时刻,其中来自发动机的动力供应停止,同时挡位切换由致动器自动地执行。该瞬间动力停止导致扭矩降低,并使换挡感觉变差。具体而言,驾驶员会经历一种好像车辆被向后拖拽的现象。
发明内容
因此,本发明提供了一种用于混合动力车辆的变速器,所述变速器在发动机的低效率驱动范围内利用电机来提高混合动力车辆的燃料效率和市场竞争力。
根据本发明的一个方面,一种用于混合动力车辆的变速器可以包括:主离合器和副离合器,其分别设置在第一输入轴和第二输入轴上,以将来自发动机的动力经由联接和脱离操作而选择性地传输至输出轴;发动机侧换挡单元,其包括:至少一个第一成对发动机侧齿轮,其与副离合器和输出轴啮合;以及至少一个第二成对发动机侧齿轮,其与第二输入轴和输出轴啮合,第一成对发动机侧齿轮的传动比与第二成对发动机侧齿轮的传动比不同,使得适合于车辆速度的成对齿轮通过发动机侧接合/脱开单元来选择;第三输入轴,其利用从电机接收的动力来进行旋转;电机侧换挡单元,其包括与第三输入轴和输出轴啮合的具有不同传动比的多个成对电机侧齿轮,使得适合于车辆速度的成对齿轮通过电机侧接合/脱开单元来进行选择;以及单向离合器,其设置在这样的路径上,动力沿着该路径从电机传输到输出轴,使得动力仅从第三输入轴沿着朝向输出轴的方向传输。
所述第一输入轴和所述第二输入轴可以同轴地布置。第二输入轴可以包括中空轴,以将第一输入轴容纳其中。主离合器可以设置于第二输入轴的一端上,第二输入轴的一端比第二输入轴的另一端更靠近发动机。副离合器可以设置于第一输入轴的一端上,第一输入轴的一端比第一输入轴的另一端更远离发动机。
输出轴可以包括布置成平行于第一输入轴和第二输入轴的第一输出轴和第二输出轴。发动机侧换挡单元可以包括:至少一个第一成对发动机侧齿轮,其与副离合器和第一输出轴啮合;以及至少一个第二成对发动机侧齿轮,其与第二输入轴和第二输出轴啮合。
所述发动机侧换挡单元可以进一步包括:动力传输输入齿轮,其设置在所述第二输出轴上;动力传输输出齿轮,其设置在所述第一输出轴上;以及动力传输空转齿轮,其啮合在动力传输输入齿轮与动力传输输出齿轮之间。
所述动力传输输出齿轮可以包括与副离合器和第一输出轴啮合的第一成对发动机侧齿轮的输出齿轮。
与副离合器和第一输出轴啮合的第一成对发动机侧齿轮可以为除了成对最低挡位齿轮之外的多个成对奇数齿轮中的一对奇数齿轮。与第二输入轴和第二输出轴啮合的第二成对发动机侧齿轮可以为多个成对偶数齿轮。
电机侧换挡单元可以包括与第三输入轴和第一输出轴啮合的成对低挡位齿轮和成对高挡位齿轮。所述单向离合器可以允许动力仅从成对低挡位齿轮沿着朝向第一输出轴的方向传输。
所述变速器可以进一步包括同步单元,所述同步单元允许成对低挡位齿轮的输出齿轮选择性地联接到第一输出轴。所述单向离合器可以设置在所述同步单元与所述第一输出轴之间。
与副离合器和输出轴啮合的第一成对发动机侧齿轮可以包括除了成对最低挡位齿轮之外的多个成对奇数齿轮中的一对奇数齿轮。与第二输入轴和输出轴啮合的第二成对发动机侧齿轮可以包括多个成对偶数齿轮。
电机侧换挡单元可以包括与第三输入轴和输出轴啮合的成对低挡位齿轮和成对高挡位齿轮。所述单向离合器可以允许动力仅从成对低挡位齿轮朝向输出轴传输。
所述变速器可以进一步包括同步单元,所述同步单元允许成对低挡位齿轮的输出齿轮选择性地联接到输出轴。所述单向离合器可以设置在所述同步单元和所述输出轴之间。
根据本发明,在低速驱动范围内或在高速驱动范围内,可以利用处于停止状态的电机来驱动车辆。因此,可以利用处于发动机的低效驱动范围内的电机来提高混合动力车辆的燃料效率和市场竞争力。此外,在其中电机的驱动被转换为发动机的驱动的低速驱动范围的换挡点处,扭矩的改变被单向离合器接受以便去除扭矩中断的感觉,从而改善换挡感觉。
根据本文提供的说明,进一步的适用范围将变得显而易见。应当理解的是,说明书和具体示例仅旨在说明的目的,而并非旨在限制本发明的范围。
附图说明
为了使本发明可以被很好地理解,现在将参照附图来描述借助于示例给出的本发明的各种实施方案,其中:
图1为图示了根据本发明的用于混合动力车辆的变速器的第一示例实施方案的示意图。
图2为图示了根据本发明的用于混合动力车辆的变速器的第二示例实施方案的示意图。
图3为表示根据本发明在使用变速器升挡的情况下在各个换挡位置处的换挡操作的图表。
图4为表示根据本发明在使用变速器降挡的情况下在各个换挡位置处的换挡操作的图表。
本文所描述的附图仅用于说明目的,并非旨在以任何方式限制本发明的范围。
具体实施方式
下面的说明在本质上仅仅是示例性的,并非旨在限制本发明、应用或用途。应当理解的是,在整个附图中,相应的附图标记表示相似或相应的部分和特征。
参照图1,根据本发明的用于混合动力车辆的变速器通常包括:第一输入轴IP1、第二输入轴IP2、主离合器CL_MN、副离合器CL_SB、发动机侧换挡单元1、第三输入轴IP3、电机侧换挡单元3以及单向离合器OWC。
将参照图1和图2来具体地描述变速器。主离合器CL_MN设置在第二输入轴IP2上,以响应于主离合器CL_MN的选择性联接和脱离操作而将来自发动机E的动力选择性地传输至输出轴OP。
副离合器CL_SB设置在第一输入轴IP1上,以响应于副离合器CL_SB的选择性联接和脱离操作而将来自发动机E的动力选择性地传输至输出轴OP。
例如,第一输入轴IP1和第二输入轴IP2可以同轴地布置,或者可以将第二输入轴IP2实现为中空轴以将第一输入轴IP1容纳在第二输入轴IP2中。
主离合器CL_MN可以设置于第二输入轴IP2的一端,第二输入轴IP2的一端比第二输入轴IP2的另一端更靠近发动机E。此外,副离合器CL_SB可以设置于第一输入轴IP1的一端(即,发动机E的相对侧(变速器的后部)),第一输入轴IP1的一端比第一输入轴IP1的另一端离发动机E更远。这里,发动机E直接地联接到第一输入轴IP1的一端,或者通过减振器联接到第一输入轴IP1的一端,使得第一输入轴IP1可以通过来自发动机E的动力进行旋转。
发动机侧换挡单元1包括具有不同传动比的多个成对发动机侧齿轮,其与副离合器CL_SB、第二输入轴IP2和第二输出轴OP啮合,使得适合于车辆速度的成对齿轮可以通过发动机侧接合/脱开单元进行选择。
例如,发动机侧接合/脱开单元可以设置在两对齿轮之间以从中选择一对齿轮。可以将发动机侧接合/脱开单元实施为用于允许和阻止动力的传输的设备。发动机侧接合/脱开单元可以从同步啮合式同步设备、爪式离合器、经修改的爪式离合器、干/湿式离合器、电动/电子干/湿式磁离合器、联接、流体离合器和基于花键的联接结构之中进行选择,但并不限于上述设备。
第三输入轴IP3能够利用从电机M接收的动力进行旋转。第三输入轴IP3设置成平行于第一输入轴IP1和第二输入轴IP2。电机M可以直接地连接到第三输入轴IP3。
电机侧换挡单元3包括具有不同传动比的多个成对电机侧齿轮,其与第三输入轴IP3和第一输出轴OP1啮合,使得适合于车辆速度的成对齿轮可以通过电机侧接合/脱开单元进行选择。
例如,电机侧接合/脱开单元可以设置在两对齿轮之间以从中选择一对齿轮。可以将电机侧接合/脱开单元实施为用于允许和阻止动力的传输的设备,并且电机侧接合/脱开单元可以从同步啮合式同步设备、爪式离合器、经修改的爪式离合器、干/湿式离合器、电动/电子干/湿式磁离合器、联接、流体离合器和基于花键的联接结构之中进行选择,但并不限于上述设备。
单向离合器OWC可以设置在这样的路径上,动力从电机M沿着该路径传输到第一输出轴OP1,使得动力仅沿着从第三输入轴IP3到第一输出轴OP1的方向进行传输。
这里,用于机械式地允许和阻止动力的传输的单向离合器OWC可以实施为选自下述设备中的一个,但并不限于下述设备:以如上所述的相同原理工作的机械设备、利用液压力工作的部件、流体机复合结构设备、利用电动/电子力的设备等。
根据上述配置,在低速驱动范围内或在高速驱动范围内,可以利用处于停止状态的电机M来驱动车辆。因此,可以利用处于发动机E的低效驱动范围内的电机M来改善混合动力车辆的燃料效率和市场竞争力。
此外,在其中电机M的驱动被转换为发动机E的驱动的低速驱动范围的换挡点处,扭矩的改变被单向离合器OWC承受,以去除扭矩的中断,从而改善换挡质量。
图1图示了用于混合动力车辆的变速器的第一示例性实施方案,其中输出轴OP可以包括第一输出轴OP1和第二输出轴OP2。
例如,第一输出轴OP1和第二输出轴OP2布置成平行于第一输入轴IP1和第二输入轴IP2。
根据该实施方案,设置在在发动机侧换挡单元1上的多个成对发动机侧齿轮可以包括与副离合器CL_SB和第一输出轴OP1啮合的一个或更多个成对齿轮,以及与第二输入轴IP2和第二输出轴OP2啮合的一个或更多个成对齿轮。
具体而言,与副离合器CL_SB和第一输出轴OP1啮合的成对发动机侧齿轮为除了成对最低挡位齿轮之外的多个成对奇数齿轮中的一对奇数齿轮。根据本发明,该成对齿轮可以为成对第三齿轮G3。成对第三齿轮G3可以经由副离合器CL_SB的联接操作进行选择。
由于设置在成对第三齿轮G3中的输入齿轮直接地连接至副离合器CL_SB,所以第三换挡位置可以经由副离合器CL_SB的联接操作通过选择成对第三齿轮G3来建立。
此外,与第二输入轴IP2和第二输出轴OP2啮合的成对发动机侧齿轮包括多个成对偶数齿轮。根据本发明,成对第二齿轮G2和成对第四齿轮G4可以分别与第二输入轴IP2和第二输出轴OP2啮合。第二和第四位置换挡单元S2&4可以设置在成对第二齿轮G2和成对第四齿轮G4之间,以从中选择一对齿轮。
此外,根据第一实施方案,第一输出轴OP1包括联接到差动装置的跟随减速齿轮FGR。对此,可以进一步提供用于将动力从第二输出轴OP2传输到第一输出轴OP1的构件。
例如,动力传输输入齿轮TG_IN设置在第二输出轴OP2上,并且动力传输输出齿轮TG_OUT设置在第一输出轴OP1上。此外,动力传输空转齿轮TG_ID啮合在动力传输输入齿轮TG_IN和动力传输输出齿轮TG_OUT之间。
具体而言,供应至第二输出轴OP2的驱动力E可以传输至跟随减速齿轮FGR,所述跟随减速齿轮FGR经由动力传输输入齿轮TG_IN、动力传输空转齿轮TG_ID和动力传输输出齿轮TG_OUT而设置在第一输出轴OP1上。
此处,动力传输输出齿轮TG_OUT可以为与副离合器CL_SB和第一输出轴OP1啮合的成对发动机侧齿轮的输出齿轮。根据第一实施方案,成对第三齿轮G3的输出齿轮可以用作动力传输输出齿轮TG_OUT。
参照图1,电机侧换挡单元3包括成对低挡位齿轮G1和成对高挡位齿轮G5。
例如,成对低挡位齿轮G1和成对高挡位齿轮G5可以与第三输入轴IP3和第一输出轴OP1啮合。
此处,电机侧接合/脱开单元可以设置在设置于成对低挡位齿轮G1中的输出齿轮G1_OUT与设置于成对高挡位齿轮G5中的输出齿轮G5_OUT之间。成对低挡位齿轮G1可以为成对第一齿轮,而成对高挡位齿轮G5可以为成对第五齿轮。电机侧接合/脱开单元可以为第一和第五位置换挡单元SL&H。
此外,成对高挡位齿轮G1可以用作成对电力产生齿轮,其中电机M可以充当发电机。尽管电机M可以为这样的电机发电机,其能够执行对电机而言唯一的旋转功能和发电机功能二者,但是为了清楚起见,此处使用术语“电机”。
此外,单向离合器OWC可以设置成将动力仅从成对低挡位齿轮G1沿着朝向第一输出轴OP1的方向传输。
例如,可以设置允许成对低挡位齿轮G1的输出齿轮G1_OUT选择性地联接到第一输出轴OP1的同步单元S1-1。对此,单向离合器OWC可以设置在同步单元S1-1与第一输出轴OP1之间。在一个形式中,单向离合器OWC的外轮固定至同步单元S1-1,同时单向离合器OWC的内轮固定至第一输出轴OP1。
即,成对低挡位齿轮G1的输出齿轮G1_OUT可以经由同步单元S1-1联接到第一输出轴OP1。
此外,图2图示了根据本发明的用于混合动力车辆的变速器第二示例性实施方案的配置。输出轴OP布置成与第一输入轴IP1和第二输入轴IP2平行。
根据这种配置,设置在发动机侧换挡单元1上的多个成对发动机侧齿轮可以包括与副离合器CL_SB和输出轴OP啮合的一个或更多个成对齿轮、以及与第二输入轴IP2和输出轴OP啮合的一个或更多个成对齿轮。
更具体地描述一下,在成对发动机侧齿轮中,除了成对最低挡位齿轮之外,一对奇数齿轮与副离合器CL_SB和第一输出轴OP1啮合。根据本发明,该成对齿轮可以为成对第三齿轮G3。成对第三齿轮G3可以经由副离合器CL_SB的联接操作来选择。
由于设置在成对第三齿轮G3中的输入齿轮直接地连接至副离合器CL_SB,所以第三换挡位置可以经由副离合器CL_SB的联接操作通过选择成对第三齿轮G3来建立。
此外,成对发动机侧齿轮包括与第二输入轴IP2和输出轴OP啮合的多个成对偶数齿轮。成对第二齿轮G2和成对第四齿轮G4可以分别与第二输入轴IP2和输出轴OP啮合。第二和第四位置换挡单元S2&4可以设置在成对第二齿轮G2和成对第四齿轮G4之间,以从中选择一对齿轮。
此外,根据第二实施方案,连接至差动装置的跟随减速齿轮FGR设置在输出轴OP上。
参照图2,电机侧换挡单元3包括成对低挡位齿轮G1和成对高挡位齿轮G5。
例如,成对低挡位齿轮G1和成对高挡位齿轮G5可以与第三输入轴IP3和输出轴OP啮合。
此处,电机侧接合/脱开单元可以设置在设置于成对低挡位齿轮G1中的输出齿轮G1_OUT与设置于成对高挡位齿轮G5中的输出齿轮G5_OUT之间。成对低挡位齿轮G1可以为成对第一齿轮,而成对高挡位齿轮G5可以为成对第五齿轮。电机侧接合/脱开单元可以为第一和第五位置换挡单元SL&H。
单向离合器OWC可以设置成仅将动力从成对低挡位齿轮G1沿着朝向输出轴OP的方向传输。
例如,可以设置允许成对低挡位齿轮G1的输出齿轮G1_OUT选择性地联接到输出轴OP的同步单元S1-1。对此,单向离合器OWC可以设置在同步单元S1-1与输出轴OP之间。
具体而言,成对低挡位齿轮G1的输出齿轮G1_OUT可以经由同步单元S1-1联接到输出轴OP。
在下文中,将对利用根据本发明的变速器在具体换挡点处的换挡操作进行描述。
参照图1和图3,当车辆在第一换挡位置下运行时,设置有单向离合器OWC的同步单元S1-1进行操作,以选择成对低挡位齿轮G1的输出齿轮G1_OUT。
当电机M在该状态下工作时,单向离合器OWC使得成对低挡位齿轮G1的输出齿轮G1_OUT旋转,同时拉动第一输出轴OP1,使得车辆可以利用电机M的驱动力在第一换挡位置下巡航。
此后,在从第一换挡位置升挡至第二换挡位置的情况下,成对第二齿轮G2利用第二和第四位置换挡单元S2&4来选择,并且主离合器CL_MN变换成联接位置,由此车辆能够利用来自发动机E的驱动力在第二换挡位置下巡航。此时,在主离合器CL_MN变换成联接位置的时间点处,由于成对第二齿轮G2的传动比导致传输到第一输出轴OP1的发动机E的旋转速度比成对低挡位齿轮G1的输出齿轮G1_OUT的旋转速度更快。单向离合器OWC承受在成对齿轮G1和成对齿轮G2之间的速度差异,从而抑制或防止互锁。
此外,在第二位置、第三位置和第四位置巡航的情况下,车辆利用来自发动机E的驱动力来巡航。具体而言,无论是在换挡位置之间进行的升挡还是降挡都是通过扭矩交叉控制(例如,与在主离合器CL_MN与副离合器CL_SB之间的互逆扭矩相关联的交叉控制)来执行(以类似于双离合变速器的双离合器换挡的方式)。换句话说,这意味着在执行升挡和降挡中的一个时,脱开换挡位置中的扭矩降低,同时接合换挡位置中的扭矩增加。
在第五换挡位置处巡航的情况下,车辆利用来自电机M的驱动力来巡航。在从第四换挡位置升挡至第五换挡位置的情况下,由于成对第四齿轮G4的传动比导致电机M的转速被设定为传输到第一输出轴OP1的发动机E的转速,利用第一和第五位置换挡单元SL&H来选择成对高挡位齿轮G5,并且随后将主离合器CL_MN变换至脱离位置,从而车辆可以通过控制电机M而在第五换挡位置处进行巡航。
参照图1和图4,在从第五换挡位置降挡至第四换挡位置的情况下,利用第二和第四位置换挡单元S2&4来选择成对第四齿轮G4,以由于成对第四齿轮G4的传动比导致电机M的转速被设定为传输到第一输出轴OP1的发动机E的转速,并且随后第一和第五位置换挡单元SL&H从成对高挡位齿轮G5释放,同时主离合器CL_MN变换成联接位置,从而车辆可以通过发动机的驱动力而在第四换挡位置处进行巡航。
此外,在从第二换挡位置降挡至第一换挡位置的情况下,由于成对第二齿轮G2的传动比导致电机M的转速被设定为传输到第一输出轴OP1的发动机E的转速,利用第一和第五位置换挡单元SL&H来选择成对低挡位齿轮G1,并且随后将主离合器CL_MN变换成脱离位置,从而车辆可以通过控制电机M的操作而在第一换挡位置处进行巡航。
此处,将描述利用第一和第五位置换挡单元SL&H来选择成对低挡位齿轮G1的原因。当利用同步单元S1-1选择成对低挡位齿轮G1时,由于从第二换挡位置降挡至第一换挡位置的巡航特性导致第一输出轴OP1比成对低挡位齿轮G1的输出齿轮G1_OUT旋转地更快。然后,单向离合器OWC承受速度上的差异。因此,来自电机M的动力不传输至第一输出轴OP1,即,停止动力的供应。
对此,利用第一和第五位置换挡单元SL&H来选择成对低挡位齿轮G1,使得可以通过控制电机M来控制第一输出轴OP1的减速。因此,可以根据第一传动比而快速地使车辆减速。
根据如上所述的本发明,在低速驱动范围内或在高速驱动范围内,可以利用处于停止状态的电机M来驱动车辆。因此,可以在发动机E的低效驱动范围内利用电机M来提高混合动力车辆的燃料效率和市场竞争力。此外,在电机M的驱动被变换成发动机E的驱动的低速驱动范围的换挡点处,扭矩上的变化由单向离合器OWC承受,以去除扭矩的中断,从而改进换挡质量。
尽管出于说明的目的已描述了本发明的示例性实施方案,但是本领域的技术人员将理解的是,在不脱离本发明的范围和精神的情况下,各种修改、增加和删减是可能的。

Claims (11)

1.一种用于混合动力车辆的变速器,该变速器包括:
主离合器和副离合器,其分别设置在第一输入轴和第二输入轴上,并且配置成将来自发动机的动力经由联接和脱离操作而选择性地传输至输出轴;
发动机侧换挡单元,其包括:
至少一个第一成对发动机侧齿轮,其与副离合器和输出轴啮合;以及
至少一个第二成对发动机侧齿轮,其与第二输入轴和输出轴啮合,其中,至少一个第一成对发动机侧齿轮的传动比与至少一个第二成对发动机侧齿轮的传动比不同,使得适合于车辆速度的成对齿轮通过发动机侧接合/脱开单元来进行选择;
第三输入轴,其配置成利用从电机接收的动力来进行旋转;
电机侧换挡单元,其包括与第三输入轴和输出轴啮合的具有不同传动比的多个成对电机侧齿轮,使得适合于车辆速度的成对齿轮通过电机侧接合/脱开单元来进行选择;
单向离合器,其设置在如下的路径上,动力沿着该路径从电机传输到输出轴,使得动力仅从第三输入轴沿着朝向输出轴的方向传输。
2.根据权利要求1所述的用于混合动力车辆的变速器,其中,
第一输入轴和第二输入轴同轴地布置,
第二输入轴包括中空轴,以将第一输入轴容纳其中,
主离合器设置于第二输入轴的一端上,第二输入轴的一端比第二输入轴的另一端更靠近发动机,
副离合器设置于第一输入轴的一端上,第一输入轴的一端比第一输入轴的另一端更远离发动机。
3.根据权利要求1所述的用于混合动力车辆的变速器,其中,
输出轴包括布置成平行于第一输入轴和第二输入轴的第一输出轴和第二输出轴,
发动机侧换挡单元包括:
至少一个第一成对发动机侧齿轮,其与副离合器和第一输出轴啮合;
至少一个第二成对发动机侧齿轮,其与第二输入轴和第二输出轴啮合。
4.根据权利要求3所述的用于混合动力车辆的变速器,其中,所述发动机侧换挡单元进一步地包括:
动力传输输入齿轮,其设置在第二输出轴上;
动力传输输出齿轮,其设置在第一输出轴上;
动力传输空转齿轮,其啮合在动力传输输入齿轮与动力传输输出齿轮之间。
5.根据权利要求4所述的用于混合动力车辆的变速器,其中,动力传输输出齿轮包括与副离合器和第一输出轴啮合的至少一个第一成对发动机侧齿轮的输出齿轮。
6.根据权利要求3所述的用于混合动力车辆的变速器,其中,
与副离合器和第一输出轴啮合的至少一个第一成对发动机侧齿轮包括除了成对最低挡位齿轮之外的多个成对奇数齿轮中的一对奇数齿轮,
与第二输入轴和第二输出轴啮合的至少一个第二成对发动机侧齿轮包括多个成对偶数齿轮。
7.根据权利要求3所述的用于混合动力车辆的变速器,其中,
电机侧换挡单元包括与第三输入轴和第一输出轴啮合的成对低挡位齿轮和成对高挡位齿轮,
单向离合器配置成将动力仅从成对低挡位齿轮沿朝向第一输出轴的方向传输。
8.根据权利要求7所述的用于混合动力车辆的变速器,进一步包括同步单元,所述同步单元配置成将成对低挡位齿轮的输出齿轮选择性地联接到第一输出轴,
其中,单向离合器设置在同步单元与第一输出轴之间。
9.根据权利要求1所述的用于混合动力车辆的变速器,其中,
与副离合器和输出轴啮合的至少一个第一成对发动机侧齿轮包括除了成对最低挡位齿轮之外的多个成对奇数齿轮中的一对奇数齿轮,
与第二输入轴和输出轴啮合的至少一个第二成对发动机侧齿轮包括多个成对偶数齿轮。
10.根据权利要求1所述的用于混合动力车辆的变速器,其中,
电机侧换挡单元包括与第三输入轴和输出轴啮合的成对低挡位齿轮和成对高挡位齿轮,
单向离合器配置成将动力仅从成对低挡位齿轮沿朝向输出轴的方向传输。
11.根据权利要求10所述的用于混合动力车辆的变速器,进一步包括同步单元,所述同步单元配置成将成对低挡位齿轮的输出齿轮选择性地联接到输出轴,
其中,单向离合器设置在同步单元与输出轴之间。
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