CN104968546A - 混合动力车辆 - Google Patents

混合动力车辆 Download PDF

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Publication number
CN104968546A
CN104968546A CN201380072126.3A CN201380072126A CN104968546A CN 104968546 A CN104968546 A CN 104968546A CN 201380072126 A CN201380072126 A CN 201380072126A CN 104968546 A CN104968546 A CN 104968546A
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China
Prior art keywords
power
gear
shelves
input shaft
transfer clutch
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Granted
Application number
CN201380072126.3A
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English (en)
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CN104968546B (zh
Inventor
大久保慎一
大家久美子
伊贺上聪
武生裕之
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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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
    • B60K6/48—Parallel 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
    • 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
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    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18054—Propelling the vehicle related to particular drive situations at stand still, e.g. engine in idling state
    • 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
    • F16H3/087—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 characterised by the disposition of the gears
    • F16H3/093—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 characterised by the disposition of the gears with two or more countershafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L2240/00—Control parameters of input or output; Target parameters
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    • B60L2240/486—Operating parameters
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0047—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising five forward speeds
    • 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
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    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
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    • 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
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T10/64—Electric machine technologies in electromobility
    • 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
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Abstract

在混合动力车辆中，在空档或驻车档下，如果接合奇数档离合器(Co)而将发动机(E)的驱动力经由第1输入轴(12)传递至电动机/发电机(MG)，则能够通过第1发电模式发电，另外，如果接合偶数档离合器(Ce)而将发动机(E)的驱动力经由反转单元(45)和第1输入轴(12)传递至电动机/发电机，则能够通过第2发电模式发电。因此，按照奇数档离合器(Co)和偶数档离合器(Ce)的状况，接合其中的某一方，从而能够通过第1发电模式或第2发电模式进行发电，能够实现无间歇的电力供应。

Description

混合动力车辆
技术领域
本发明涉及具有将发动机的驱动力经由第1、第2离合器选择性地分配给第1、第2输入轴的所谓双离合器型的变速器的混合动力车辆。
背景技术
在双离合器型的变速器位于空档时，在将建立奇数变速档时接合的第1离合器和建立偶数变速档和后退变速档时接合的第2离合器的接合都解除的状态下，预先执行预换档而建立1速变速档和后退变速档，在从空档起切换至前进档的情况下，接合第1离合器而使车辆向前起步，另外，在从空档起切换至后退档的情况下，接合第2离合器而使车辆向后起步，从而提升起步响应性，这种技术已通过下述专利文献1而公知。
现有技术文献
专利文献
专利文献1：日本专利第4837329号公报
发明内容
发明所要解决的课题
另外，还可以考虑如下技术：使搭载了该双离合器型的变速器的车辆实现混合动力化，在通过奇数档离合器的接合而被传递发动机的驱动力的第1输入轴上连接电动机/发电机，从而在建立奇数变速档时进行电动机/发电机的驱动力对发动机的驱动力的辅助或由电动机/发电机的再生制动实现的发电。
在这种混合动力车辆中，在空档或驻车档下停车时，接合奇数档离合器而将发动机的驱动力经由第1输入轴传递给电动机/发电机，从而能够将电动机/发电机作为发电机来驱动而进行发电。然而，存在如下的可能性：在由于故障等而使奇数档离合器无法接合的情况下，无法将发动机的驱动力传递给电动机/发电机，无法发电。
本发明就是鉴于上述情况而完成的，其目的在于提供一种无论变速器的离合器的状况如何，都能够在非行驶档下使电动机/发电机发电的混合动力车辆。
用于解决课题的手段
为了达成上述目的，本发明提出一种混合动力车辆，其具有：发动机；第1输入轴，其经由第1离合器被传递所述发动机的驱动力；电动机/发电机，其与所述第1输入轴连接；第2输入轴，其与所述第1输入轴平行配置，经由第2离合器被传递所述发动机的驱动力；输出轴，其与所述第1输入轴平行配置；第1动力传递路径，其将所述第1输入轴的旋转经由第1齿轮组和第1接合要素传递至所述输出轴；第2动力传递路径，其将所述第2输入轴的旋转经由第2齿轮组和第2接合要素传递至所述输出轴；反转单元，其将所述发动机的旋转反转而传递给所述第1输入轴；以及第3动力传递路径，其将所述发动机的旋转经由所述反转单元和所述第1动力传递路径传递至所述输出轴，该混合动力车辆在前进档中通过所述第1动力传递路径或所述第2动力传递路径建立前进变速档，且在后退档中通过所述第3动力传递路径建立后退变速档，该混合动力车辆的第1特征在于，在空档或驻车档下，能够切换第1发电模式和第2发电模式，在该第1发电模式下，接合所述第1离合器，将所述发动机的驱动力传递给所述电动机/发电机而进行发电，在该第2发电模式下，接合所述第2离合器，将所述发动机的驱动力经由所述反转单元传递给所述电动机/发电机而进行发电。
另外，本发明的混合动力车辆的第2特征在于，在所述第1特征的基础上，在所述第1离合器发生故障时在所述第2发电模式下发电。
此外，实施方式的奇数档离合器Co对应于本发明的第1离合器，实施方式的偶数档离合器Ce对应于本发明的第2离合器，实施方式的1速-3速-后退主动齿轮20和5速主动齿轮21对应于本发明的第1齿轮组，实施方式的2速主动齿轮23和4速主动齿轮24对应于本发明的第2齿轮组，实施方式的1速-2速-3速从动齿轮26和4速-5速从动齿轮27对应于本发明的第1齿轮组和第2齿轮组，实施方式的3速-5速同步装置22和1速牙嵌式离合器37对应于本发明的第1接合要素，实施方式的2速-4速同步装置25对应于本发明的第2接合要素。
发明的效果
根据本发明的第1特征，接合第1离合器而将发动机的驱动力传递至第1输入轴，将第1输入轴的旋转经由第1动力传递路径传递至输出轴，从而能够建立多个奇数变速档。另外，接合第2离合器而将发动机的驱动力传递给第2输入轴，将第2输入轴的旋转经由第2动力传递路径传递给输出轴，从而能够建立多个偶数变速档。另外，接合第2离合器而将发动机的驱动力经由由反转单元和第1动力传递路径构成的第3动力传递路径而向输出轴反转传递，从而能够建立后退变速档。
在空档或驻车档下，如果接合第1离合器而将发动机的驱动力经由第1输入轴传递至电动机/发电机，则能够通过第1发电模式发电，另外如果接合第2离合器而将发动机的驱动力经由反转单元和第1输入轴传递至电动机/发电机，则能够通过第2发电模式发电。因此，能够按照第1、第2离合器的状况，接合其中的某一方，从而通过第1发电模式或第2发电模式进行发电，能够实现无间歇的电力供应。
另外，根据本发明的第2特征，在第1离合器发生故障时在第2发电模式下发电，因此即使第1离合器发生故障，也能够通过第2发电模式无障碍地继续发电。
附图说明
图1是混合动力车辆的变速器的概要图。(第1实施方式)
图2是1速变速档的扭矩流程图。(第1实施方式)
图3是后退变速档的扭矩流程图。(第1实施方式)
图4是第1发电模式的扭矩流程图。(第1实施方式)
图5是第2发电模式的扭矩流程图。(第1实施方式)
图6是变速器的接合要素的接合表。(第1实施方式)
图7是选择P档选择时的倒车齿轮的作用说明图。(第1实施方式)
图8是选择N档选择时的倒车齿轮的作用说明图。(第1实施方式)
图9是说明奇数档离合器发生故障时的发电开始响应性的时序图。(第1实施方式)
图10是说明P/N档→R档切换时的变速响应性的时序图。(第1实施方式)
标号说明
Co：奇数档离合器(第1离合器)，Ce：偶数档离合器(第2离合器)，E：发动机，MG：电动机/发电机，12：第1输入轴，14：第2输入轴，15：输出轴，20：1速-3速-后退主动齿轮(第1齿轮组)，21：5速主动齿轮(第1齿轮组)，22：3速-5速同步装置(第1接合要素)，23：2速主动齿轮(第2齿轮组)，24：4速主动齿轮(第2齿轮组)，25：2速-4速同步装置(第2接合要素)，26：1速-2速-3速从动齿轮(第1齿轮组，第2齿轮组)，27：4速-5速从动齿轮(第1齿轮组，第2齿轮组)，37：1速牙嵌式离合器(第1接合要素)，45：反转单元。
具体实施方式
以下，根据图1～图10说明本发明的实施方式。
第1实施方式
如图1所示，混合动力车辆用的前进5速、后退1速的双离合器型的变速器M具有：与发动机E的曲轴同轴连接的驱动轴11；与驱动轴11同轴配置的第1输入轴12；包围第1输入轴12的外周的套筒状的外轴13；以及与第1输入轴12平行配置的第2输入轴14、输出轴15和怠速轴16。驱动轴11连接有由串联配置的干式单板离合器构成的奇数档离合器Co和偶数档离合器Ce，当接合奇数档离合器Co时，驱动轴11与第1输入轴12结合，而接合偶数档离合器Ce时，驱动轴11与外轴13结合。
外轴13固定设有第1输入轴齿轮17，第2输入轴14固定设有第2输入轴齿轮18，第1输入轴齿轮17和第2输入轴齿轮18经由惰轮19而始终联结。
在第1输入轴12上以能够相对旋转的方式支撑有1速-3速-后退主动齿轮20和5速主动齿轮21，这些1速-3速-后退主动齿轮20和5速主动齿轮21经由3速-5速同步装置22而能够与第1输入轴12选择性地结合。在第2输入轴14上以能够相对旋转的方式支撑有2速主动齿轮23和4速主动齿轮24，这些2速主动齿轮23和4速主动齿轮24经由2速-4速同步装置25而能够与第2输入轴14选择性地结合。
在输出轴15上固定设有1速-2速-3速从动齿轮26和4速-5速从动齿轮27，1速-2速-3速从动齿轮26与1速-3速-后退主动齿轮20和2速主动齿轮23啮合，4速-5速从动齿轮27与4速主动齿轮24和5速主动齿轮21啮合。
在怠速轴16上固定设有后退主动齿轮28，并且将后退惰轮29支撑为能够相对旋转。后退主动齿轮28与惰轮19啮合。后退惰轮29与固定设置于第1输入轴12的后退从动齿轮31啮合，并且能够通过后退牙嵌式离合器30与怠速轴16结合。
设置于第1输入轴12的轴端的行星齿轮机构32具有太阳轮33、齿圈34、行星架35、多个小齿轮36……，太阳轮33与第1输入轴12结合，行星架35与1速-3速-后退主动齿轮20结合，齿圈34能够经由1速牙嵌式离合器37而与外壳38结合。
另外，变速器M设有具备定子39和转子40的电动机/发电机MG，转子40与第1输入轴12结合。
固定设置于输出轴15的末端主动齿轮41与差动齿轮42的末端从动齿轮43啮合。差动齿轮42经由驱动轴44、44与左右的驱动轮W、W连接。
第1输入轴齿轮17、惰轮19、后退主动齿轮28、怠速轴16、后退牙嵌式离合器30、后退惰轮29和后退从动齿轮31构成用于将发动机E的曲轴的旋转、即外轴13的旋转反转而传递给第1输入轴12的反转单元45。
接着，说明具有上述结构的变速器M的1速变速档～5速变速档和后退变速档的建立。
根据图2的扭矩流程图和图6的接合表可知，在建立1速变速档时，在通过1速牙嵌式离合器37将行星齿轮机构32的齿圈34结合于外壳38的状态下，奇数档离合器Co接合而将驱动轴11与第1输入轴12结合。在该状态下，发动机E的驱动力按照驱动轴11→奇数档离合器Co→第1输入轴12→太阳轮33→小齿轮36→行星架35→1速-3速-后退主动齿轮20→1速-2速-3速从动齿轮26→输出轴15→末端主动齿轮41→末端从动齿轮43→差动齿轮42→驱动轴44、44的路径被传递给驱动轮W、W。
如图6所示，在建立3速变速档或5速变速档时，在通过3速-5速同步装置22将1速-3速-后退主动齿轮20或5速主动齿轮21与第1输入轴12结合的状态下，可以接合奇数档离合器Co而将驱动轴11与第1输入轴12结合。将在建立上述奇数变速档(1速变速档、3速变速档或5速变速档)时，把第1输入轴12的旋转传递给输出轴15的路径称作第1动力传递路径。
外轴13经由第1输入轴齿轮17、惰轮19和第2输入轴齿轮18而与第2输入轴14始终连接。因此，如图6所示，在建立2速变速档或4速变速档时，在通过2速-4速同步装置25将2速主动齿轮23或4速主动齿轮24与第2输入轴14结合的状态下，可以接合偶数档离合器Ce而将驱动轴11与外轴13结合。将在建立上述偶数变速档(2速变速档和4速变速档)时，把第2输入轴14的旋转传递至输出轴15的路径称作第2动力传递路径。
根据图3的扭矩流程和图6的接合表可知，在建立后退变速档时，在通过后退牙嵌式离合器30将后退惰轮29与怠速轴16结合，并通过1速牙嵌式离合器37将行星齿轮机构32的齿圈34与外壳38结合的状态下，偶数档离合器Ce接合而将驱动轴11与外轴13结合。在该状态下，发动机E的驱动力按照驱动轴11→偶数档离合器Ce→外轴13→反转单元45→第1输入轴12→太阳轮33→小齿轮36→行星架35→1速-3速-后退主动齿轮20→1速-2速-3速从动齿轮26→输出轴15→末端主动齿轮41→末端从动齿轮43→差动齿轮42→驱动轴44、44的路径进行逆向旋转，并被传递至驱动轮W、W。
将在建立上述后退变速档时，把驱动轴11的旋转反转而传递至输出轴15的路径称作第3动力传递路径。即，第3动力传递路径相当于在经由反转单元45的动力传递路径上加入第1动力传递路径的结构。
在经由第1输入轴12对驱动轮W、W传递驱动力时、即在建立1速变速档、3速变速档、5速变速档和后退变速档时，通过驱动电动机/发电机MG而能够辅助发动机E的驱动力，反之，在建立1速变速档、3速变速档、5速变速档和后退变速档时，使经由第1输入轴12被传递发动机E的驱动力的电动机/发电机MG作为发电机发挥功能，能够通过其发出的电力对例如车载的12V电池充电。另外，通过对电动机/发电机MG进行再生制动，从而能够将车体的动能作为电能来进行回收。
另外，在所换的档为驻车档(P档)或空档(N档)的非行驶档时，如果也能够通过发动机E的驱动力驱动电动机/发电机MG而使其作为发电机发挥功能，则能够通过其发出的电力对12V电池充电。即，如图4和图6可知，如果仅接合奇数档离合器Co，则发动机E的驱动力会经由第1输入轴12直接传递至电动机/发电机MG，因而在不会对驱动轮W、W传递驱动力的情况下，能够仅驱动电动机/发电机MG来进行发电。将该发电模式称作第1发电模式。此时，后退牙嵌式离合器30接合而使偶数档齿轮预换档至后退档，但不必进行该预换档即可执行第1发电模式。
另外，如图5和图6可知，如果在接合后退牙嵌式离合器30而将偶数档齿轮预换档至后退档的状态下接合偶数档离合器Ce，则发动机E的驱动力会按照驱动轴11→偶数档离合器Ce→外轴13→反转单元45→第1输入轴12的路径被传递至电动机/发电机MG，因此能够在不对驱动轮W、W传递驱动力的情况下，仅驱动电动机/发电机MG进行发电。将该发电模式称作第2发电模式。此时，发动机E的曲轴的旋转经由反转单元45，因而电动机/发电机MG的旋转方向相对于图4的第1发电模式为逆向旋转，而电动机/发电机MG无论旋转方向如何都能够发电，因而不存在障碍。
这样，在非行驶档下车辆停止时，如果接合奇数档离合器Co，则能够通过第1发电模式驱动电动机/发电机MG而发电，另外，如果在预先将偶数档齿轮预换档至后退档的状态下接合偶数档离合器Ce，则能够通过第2发电模式驱动电动机/发电机MG而发电。由此，能够在不依赖于偶数档离合器Ce或奇数档离合器Co的状况下，通过电动机/发电机MG发出的电力对12V电池充电。
例如，在奇数档离合器Co发生故障而无法接合的情况下，使用能够接合的偶数档离合器Ce建立2速变速档、4速变速档和后退变速档，能够让车辆行驶至修理工场。这种情况下，在车辆停止时即使想要驱动电动机/发电机MG来进行发电，由于奇数档离合器Co的故障而无法实现基于第1发电模式的发电，然而接合能够接合的偶数档离合器Ce，也能够通过第2发电模式发电，无障碍地对12V电池充电。
接着，说明在P档和N档下被执行的偶数档齿轮向后退档的预换档。
图7是说明向P档换档时的作用的流程图，首先在步骤S1中换档至P档，然后在步骤S2中判断奇数档离合器Co是否发生了接合固定故障。在所述步骤S2中判断为奇数档离合器Co发生了接合固定故障的情况下，在步骤S3进入奇数档离合器Co发生故障时的安全模式，使奇数档齿轮为空档(解除1速牙嵌式离合器37的接合和解除3速-5速同步装置22的接合)，并且解除偶数档离合器Ce的接合，然后使偶数档齿轮为空档(解除2速-4速同步装置25的接合和解除后退牙嵌式离合器30的接合)，进而使驻车锁止器工作并结束本流程。
在所述步骤S2中判断为奇数档离合器Co未发生接合固定故障的情况下、即奇数档离合器Co为正常或发生了释放故障的情况下，在步骤S4中判断奇数档离合器Co是否发生了故障。在所述步骤S4中奇数档离合器Co发生故障的情况下，在步骤S5中进入偶数档离合器Ce发生故障时的安全模式，使偶数档齿轮为空档(解除2速-4速同步装置25的接合和解除后退牙嵌式离合器30的接合)，并且解除奇数档离合器Co的接合，然后使奇数档齿轮为空档(解除1速牙嵌式离合器37的接合和解除3速-5速同步装置22的接合)，进而使驻车锁止器工作并结束本流程。
在所述步骤S4中偶数档离合器Ce未发生故障的情况下、即奇数档离合器Co和偶数档离合器Ce都为正常或仅奇数档离合器Co发生了释放故障的情况下，在步骤S6中使驻车锁止器工作，并且一并解除偶数档离合器Ce和奇数档离合器Co的接合。
在接下来的步骤S7中，如果偶数档齿轮尚未成为后退档、即后退牙嵌式离合器30尚未接合，则在步骤S8中判断是否无法实现后退牙嵌式离合器30的接合。即，只要偶数档离合器Ce和奇数档离合器Co不都处于解除了接合的状态，则无法通过输入侧和输出侧的转速差使得后退牙嵌式离合器30接合，因而如果偶数档离合器Ce或奇数档离合器Co依然接合，则放弃后退牙嵌式离合器30的接合而结束本流程。
在所述步骤S8中如果后退牙嵌式离合器30能够接合，则在步骤S9中指示后退牙嵌式离合器30的接合，其结果是，若在所述步骤S7中偶数档齿轮成为后退档，则结束本流程。
如上，在换档至P档时，使驻车锁止器的工作为最优先，接下来以奇数档离合器Co和偶数档离合器Ce为正常作为条件，将偶数档齿轮预换档至后退档，此后在奇数档离合器Co发生故障而无法接合时，接合偶数档离合器Ce。由此，转移至第2发电模式驱动电动机/发电机MG，能够对12V电池充电(参照图5和图6)。
此外，在将奇数档离合器Co固定在释放状态的情况下也将偶数档齿轮预换档至后退档，其原因在于，在建立第2发电模式时奇数档离合器Co未接合，因此即使将其固定在释放状态也不会产生问题。
图8是说明换档至N档时的作用的流程图，赋予与图7的流程图编号相同的编号的步骤的内容与图7的流程图相同。因此，以与图7的流程图的不同之处为中心进行说明。
在图7的流程图的步骤S1中判断是否换档至P档，而在图8的流程图的步骤S1′中，不同之处在于判断是否换档至N档。
在图7的流程图的步骤S3，S5、S6中使驻车锁止器工作，而在图8的流程图的步骤S3′、S5′、S6′中，不同之处在于不使驻车锁止器工作。
在图8的流程图的步骤S7中，在偶数档齿轮为后退档时，如果在步骤S10中完成了奇数档离合器Co的接合解除，则在步骤S11中使奇数档齿轮为空档(解除1速牙嵌式离合器37的接合和解除3速-5速同步装置22的接合)并结束本流程。
如上，在换档至N档时，在解除了奇数档离合器Co和偶数档离合器Ce的接合后，使得使偶数档齿轮变为后退档的动作优先于使奇数档齿轮为空档的动作。在将偶数档齿轮预换档至后退档，此后在奇数档离合器Co发生故障而无法接合时，接合偶数档离合器Ce而转移至第2发电模式，这与换档至P档时相同。
接着，根据图9的时序图，说明在P档(或N档)下通过第2发电模式进行发电的情况下的作用。
在所换的档为P档(或N档)时，通常使奇数档齿轮为空档，在将偶数档齿轮预换档为后退档的状态下接合奇数档离合器Co，从而通过第1发电模式(参照图4)进行发电。在时刻t1检测到奇数档离合器Co在释放状态下产生了固定故障时，对偶数档离合器Ce输出接合指令，在时刻t2完成了偶数档离合器Ce的接合时，开始基于第2发电模式的发电。在第2发电模式下，发动机E的旋转经由反转单元45而以逆向旋转的方式被传递给电动机/发电机MG，而电动机/发电机MG无论旋转方向如何都能够发电，因而不存在问题。
图9的虚线表示比较例，在比较例中换档至P档(或N档)时偶数档齿轮也不会预换档至后退档，在时刻t1检测到奇数档离合器Co在释放状态下发生了固定故障的时刻，开始偶数档齿轮向后退档的换档，在时刻t3完成向后退档的换档。以在时刻t3完成偶数档离合器Ce的接合的方式，估计所需时间并输出偶数档离合器Ce接合指令的情况下，建立发动机E的驱动力被传递至电动机/发电机MG而执行发电的第2发电模式的时刻为比实施方式的时刻t2晚的时刻t3，发电的开始也会相应地延迟。
如上，在本实施方式中，在转移至P档(或N档)时将偶数档齿轮预换档至后退档，因此在奇数档离合器Co处于开放状态下发生固定故障而无法进行基于第1发电模式的发电时，仅通过接合偶数档离合器Ce就能立即转移至第2发电模式，能够将无法发电的转移期间抑制在最小限度。
进而，根据本实施方式，在P档和N档下将偶数档齿轮预换档至后退档，从而可达成提高后退起步的响应性的更优作用效果。以下说明其原因。
如图10所示，在换档至P档(或N档)时，偶数档齿轮会被预换档至后退档，因此在时刻t1，为使车辆进行后退起步而将所换的档从P档切换至后退档(R档)时，在时刻t2使1速牙嵌式离合器37工作，并将奇数档齿轮换档至1速，从而建立后退变速档而能够进行后退起步。
另一方面，虚线表示比较例，在比较例中，即使换档至P档(或N档)，偶数档齿轮也不会被预换档至后退档，在时刻t1为使车辆进行后退起步而将所换的档从P档(或N档)切换至R档后，首先在时刻t2使后退牙嵌式离合器30工作而使偶数档齿轮换档至后退档，进而在时刻t3使1速牙嵌式离合器37工作而将奇数档齿轮换档至1速，从而在时刻t3建立后退变速档而能够进行后退起步，后退起步会延迟使偶数档齿轮换档至后退档的时间。使后退牙嵌式离合器30和1速牙嵌式离合器37有时间差地工作的原因在于：在后退牙嵌式离合器30的换档动作和1速牙嵌式离合器37的换档动作间需要进行选择动作。
如上，在本实施方式中，在转移至P档(或N档)时将偶数档齿轮预换档至后退档，因此在转移至R档时，不必重新将偶数档齿轮换档至后退档，仅通过将奇数档齿轮换档至1速就能够建立后退变速档，能够提升后退起步的响应性。
以上，说明了本发明的实施方式，而本发明能够在不脱离其主旨的范围内进行各种设计变更。
例如，通过第2发电模式进行发电的情况不限于奇数档离合器Co发生故障时，也可以在为了进行冷却或补充燃料而暂时中止奇数档离合器Co的接合的情况下通过第2发电模式进行发电。
另外，实施方式的变速器M为前进5档，但变速档的档数可为任意的。
另外，奇数档离合器Co和偶数档离合器Ce不限于干式单板离合器，也可以是干式多板离合器或湿式离合器。
权利要求书(按照条约第19条的修改)
1.(修改后)、一种混合动力车辆，其具有：
发动机(E)；
第1输入轴(12)，其经由第1离合器(Co)被传递所述发动机(E)的驱动力；
电动机/发电机(MG)，其与所述第1输入轴(12)连接；
第2输入轴(14)，其与所述第1输入轴(12)平行配置，经由第2离合器(Ce)被传递所述发动机(E)的驱动力；
输出轴(15)，其与所述第1输入轴(12)平行配置；
第1动力传递路径，其将所述第1输入轴(12)的旋转经由第1齿轮组(20、21、26、27)和第1接合要素(22、37)传递给所述输出轴(15)；
第2动力传递路径，其将所述第2输入轴(14)的旋转经由第2齿轮组(23、24、26、27)和第2接合要素(25)传递给所述输出轴(15)；
反转单元(45)，其将经由所述第2离合器(Ce)被传递来的所述发动机(E)的旋转反转，经由反转接合要素(30)传递给所述第1输入轴(12)；以及
第3动力传递路径，其将所述发动机(E)的旋转经由所述反转单元(45)和所述第1动力传递路径传递给所述输出轴(15)，
在前进档中通过所述第1动力传递路径的所述第1接合要素(22、37)或所述第2动力传递路径的所述第2接合要素(25)建立前进变速档，在后退档中通过所述第3动力传递路径的所述反转接合要素(30)和所述第1接合要素(22、37)建立后退变速档，
该混合动力车辆的特征在于，
在空档或驻车档下，能够切换第1发电模式和第2发电模式，在该第1发电模式下，接合所述第1离合器(Co)，将所述发动机(E)的驱动力传递给所述电动机/发电机(MG)而进行发电，在该第2发电模式下，接合所述第2离合器(Ce)，将所述发动机(E)的驱动力经由所述反转单元(45)传递给所述电动机/发电机(MG)而进行发电，
在空档或驻车档下，预先使所述反转接合要素(30)接合。
2.根据权利要求1所述的混合动力车辆，其特征在于，
在所述第1离合器(Co)发生故障时，在所述第2发电模式下发电。

Claims (2)

1.一种混合动力车辆，其具有：
发动机(E)；
第1输入轴(12)，其经由第1离合器(Co)被传递所述发动机(E)的驱动力；
电动机/发电机(MG)，其与所述第1输入轴(12)连接；
第2输入轴(14)，其与所述第1输入轴(12)平行配置，经由第2离合器(Ce)被传递所述发动机(E)的驱动力；
输出轴(15)，其与所述第1输入轴(12)平行配置；
第1动力传递路径，其将所述第1输入轴(12)的旋转经由第1齿轮组(20、21、26、27)和第1接合要素(22、37)传递给所述输出轴(15)；
第2动力传递路径，其将所述第2输入轴(14)的旋转经由第2齿轮组(23、24、26、27)和第2接合要素(25)传递给所述输出轴(15)；
反转单元(45)，其将所述发动机(E)的旋转反转而传递给所述第1输入轴(12)；以及
第3动力传递路径，其将所述发动机(E)的旋转经由所述反转单元(45)和所述第1动力传递路径传递给所述输出轴(15)，
在前进档中通过所述第1动力传递路径或所述第2动力传递路径建立前进变速档，在后退档中通过所述第3动力传递路径建立后退变速档，
该混合动力车辆的特征在于，
在空档或驻车档下，能够切换第1发电模式和第2发电模式，在该第1发电模式下，接合所述第1离合器(Co)，将所述发动机(E)的驱动力传递给所述电动机/发电机(MG)而进行发电，在该第2发电模式下，接合所述第2离合器(Ce)，将所述发动机(E)的驱动力经由所述反转单元(45)传递给所述电动机/发电机(MG)而进行发电。
2.根据权利要求1所述的混合动力车辆，其特征在于，
在所述第1离合器(Co)发生故障时，在所述第2发电模式下发电。
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