CN105246729B - 车辆用驱动装置 - Google Patents

车辆用驱动装置 Download PDF

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Publication number
CN105246729B
CN105246729B CN201480024117.1A CN201480024117A CN105246729B CN 105246729 B CN105246729 B CN 105246729B CN 201480024117 A CN201480024117 A CN 201480024117A CN 105246729 B CN105246729 B CN 105246729B
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China
Prior art keywords
gear
rotating machine
electric rotating
converter
inverter
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CN201480024117.1A
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CN105246729A (zh
Inventor
宫泽学
上地辰之
近藤龙哉
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Aisin AW Co Ltd
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Aisin AW Co Ltd
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Priority claimed from JP2013116027A external-priority patent/JP6020356B2/ja
Priority claimed from JP2013150988A external-priority patent/JP6111916B2/ja
Application filed by Aisin AW Co Ltd filed Critical Aisin AW Co Ltd
Publication of CN105246729A publication Critical patent/CN105246729A/zh
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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 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
    • B60K6/20Arrangement 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 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
    • B60K6/22Arrangement 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 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
    • B60K6/26Arrangement 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 motors or the generators
    • 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 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
    • B60K6/20Arrangement 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 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
    • B60K6/22Arrangement 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 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
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    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • 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 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
    • B60K6/20Arrangement 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 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
    • B60K6/22Arrangement 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 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
    • B60K6/36Arrangement 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 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
    • 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 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
    • B60K6/20Arrangement 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 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
    • B60K6/22Arrangement 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 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
    • B60K6/38Arrangement 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
    • B60K6/387Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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 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
    • B60K6/20Arrangement 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 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
    • B60K6/22Arrangement 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 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
    • B60K6/40Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • 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 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
    • B60K6/20Arrangement 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 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
    • B60K6/22Arrangement 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 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
    • B60K6/40Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
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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 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
    • B60K6/20Arrangement 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 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
    • B60K6/42Arrangement 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 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
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    • B60K6/54Transmission for changing ratio
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    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20Methods, 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
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    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
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    • B60L15/2054Methods, 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
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    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/10Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16Electric 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Abstract

本发明实现一种车辆搭载性优良的车辆用驱动装置。本发明涉及混合动力车辆用的驱动装置。输入构件(I)、车轮驱动用旋转电机(MG)、以及变速机构(TM)同轴状且在轴向L上排列配置。逆变器装置(3)被配置为在径向上观察与变速机构(TM)重复,并且在径向上观察不与车轮驱动用旋转电机(MG)重复。

Description

车辆用驱动装置
技术领域
本发明涉及具备与内燃机驱动连结的输入构件、与车轮驱动连结的输出构件、单一的车轮驱动用旋转电机、变速机构、以及逆变器装置的车辆用驱动装置。
背景技术
作为上述那样的车辆用驱动装置,已知有日本特开2004-153897号公报(专利文献1)所记载的装置。在该驱动装置中,车轮驱动用旋转电机〔电动马达8〕和变速机构〔自动变速器5〕同轴且在轴向上间隔规定间隔地配置。并且,逆变器装置〔逆变器装置11〕被配置为在径向观察与车轮驱动用旋转电机重复,且其一部分位于轴向上的车轮驱动用旋转电机与变速机构之间。
像这样,通过将逆变器装置的一部分在轴向上配置在车轮驱动用旋转电机与变速机构之间,能够抑制装置整体的径向尺寸的扩大。但是,另一方面,由于车轮驱动用旋转电机、逆变器装置的一部分、以及变速机构在轴向上排列,所以装置整体的轴向尺寸扩大。轴向尺寸大的车辆用驱动装置例如存在不易搭载于横置形式(将装置轴向沿车辆横宽度方向配置的形式)的车辆的情况。
专利文献1:日本特开2004-153897号公报
发明内容
因此,期望一种车辆搭载性优良的车辆用驱动装置的实现。
本发明所涉及的车辆用驱动装置具备:输入构件,其与内燃机驱动连结;输出构件,其与车轮驱动连结;单一的车轮驱动用旋转电机,其向上述输出构件传递驱动力;变速机构,其设置于连结上述车轮驱动用旋转电机与上述输出构件的动力传递路径;逆变器装置,其对上述车轮驱动用旋转电机进行控制,该车辆用驱动装置的特征构成在于,上述输入构件、上述车轮驱动用旋转电机以及上述变速机构同轴状地且在轴向排列配置,上述逆变器装置被配置为在径向上观察与上述变速机构重复,且在上述径向上观察不与上述车轮驱动用旋转电机重复。
在本申请中,“驱动连结”指两个旋转构件以能够传递驱动力(与转矩同义)的方式连结的状态。该概念包括两个旋转构件以一体旋转的方式连结的状态、以能够经由一个以上的传动构件传递驱动力的方式连结的状态。这样的传动构件包括以同速或者变速传递旋转的各种构件(轴、齿轮机构、传动带等),也可以包括选择性地传递旋转以及驱动力的卡合装置(摩擦卡合装置、啮合式卡合装置等)。
另外,车轮驱动用的“旋转电机”作为包括马达(电动机)、发电机(Generator)、以及根据需要发挥马达以及发电机的双方的功能的电动发电机的任意一个的概念而被使用。
另外,关于两个构件的配置,“在某方向上观察重复”指在使与其视线方向平行的虚拟直线向与该虚拟直线正交的各方向移动的情况下,该虚拟直线与两个构件的双方相交的区域至少存在于一部分。
根据该特征构成,车轮驱动用旋转电机与变速机构在轴向上排列配置,所以与在它们之间配置其它的构件的情况相比,能够将轴向尺寸抑制得较小。此时,变速机构相对于车轮驱动用旋转电机被配置在与输入构件以及内燃机侧相反的一侧,被配置在与车轮驱动用旋转电机相比从内燃机分离的位置。在考虑车辆搭载状态的情况下,一般而言,在内燃机的附近配置辅机类的情况较多,所以在更靠近内燃机的位置容易产生搭载空间上的限制。考虑这一点,在上述的特征构成中,以在径向上观察,不与车轮驱动用旋转电机重复而与变速机构重复的方式配置逆变器装置。通过这样,在一体地具备逆变器装置的构成中,能够有效地抑制在车辆搭载状态下容易产生搭载空间上的限制的部位(车轮驱动用旋转电机的外侧)的径向尺寸的扩大,能够实现良好的车辆搭载性。
以下,对本发明的优选方式进行说明。
作为一个方式,优选上述变速机构与上述车轮驱动用旋转电机相比,在上述径向上形成得较小,上述逆变器装置相对于上述变速机构被配置在上述径向的外侧。
与车轮驱动用旋转电机的径向外侧相比,比车轮驱动用旋转电机小径的变速机构的径向外侧有充足的配置空间。因此,通过如上述的构成那样,在变速机构的径向外侧且在径向上观察与变速机构重复的位置配置逆变器装置,容易实现装置整体的径向的小型化。
作为一个方式,优选具备具有用于将上述逆变器装置与上述车轮驱动用旋转电机电连接的中继端子的端子台,上述端子台被配置为在上述径向上观察与上述变速机构重复,并且在上述轴向上观察与上述车轮驱动用旋转电机重复。
通过以在径向上观察与变速机构重复,在轴向上观察与车轮驱动用旋转电机重复的方式配置端子台,能够将端子台的径向的突出量抑制得较小。因而,能够有效地将装置整体的径向尺寸小型化。
作为一个方式,优选上述变速机构与上述车轮驱动用旋转电机相比,上述轴向的长度形成得较大。
根据该构成,能够容易将在径向上观察与变速机构重复配置的逆变器装置形成轴向较长且径向较薄的扁平状。因而,能够有效地将装置整体的径向尺寸小型化。
作为一个方式,优选在上述动力传递路径还具备:差动齿轮装置,其将从上述变速机构侧传递的驱动力分配给多个上述输出构件;齿轮机构,其介于上述变速机构与上述差动齿轮装置之间,上述变速机构的旋转轴心、与上述轴向平行的上述齿轮机构的旋转轴心、以及与上述轴向平行的上述差动齿轮装置的旋转轴心在上述轴向上观察分别被配置于三角形的顶点,在车辆搭载状态下,上述齿轮机构被配置为其上端部比上述变速机构的上端部靠上方,上述端子台被配置为在车辆搭载状态下在铅垂方向上观察与上述变速机构重复,并且在与上述轴向正交的水平方向上观察与上述齿轮机构重复。
在变速机构、齿轮机构、以及差动齿轮装置的各旋转轴心在轴向上观察被配置成三角形状的构成中,容易在齿轮机构的径向外侧且在变速机构的径向外侧产生无效空间。因此,通过以在车辆搭载状态下在铅垂方向上观察与变速机构重复,并且在水平方向上观察与齿轮机构重复的方式配置端子台,能够有效利用齿轮机构以及变速机构共用的外侧区域,能够抑制在装置内部产生无效空间。其结果,能够有效地将装置整体小型化。
作为一个方式,优选上述逆变器装置至少包括用于直流/交流变换的多个开关元件。
根据该构成,能够适当地构成用于控制适于车轮的驱动用的交流驱动式的车轮驱动用旋转电机的逆变器装置。
作为一个方式,优选具备收纳上述车轮驱动用旋转电机以及上述变速机构的壳体,在上述壳体与上述内燃机之间设置减振器收纳壳体部,该减振器收纳壳体部收纳减振器,并且与上述壳体相比在上述径向上形成得较大,在车辆搭载状态下,上述逆变器装置被配置为其上端部比上述减振器收纳壳体部的上端部靠下方。
为了抑制内燃机的扭转振动,存在在输入构件与内燃机之间设置减振器的情况。一般而言,减振器被收纳于设置在收纳车轮驱动用旋转电机以及变速机构的壳体与内燃机之间的减振器收纳壳体部,该减振器收纳壳体部与壳体相比,上下方向的占有区域较大的情况较多。例如,存在车辆搭载状态下的壳体(在此为包括减振器收纳壳体部的概念)的上端部由减振器收纳壳体部的上端部规定的情况。根据上述的构成,在这样的情况下,能够避免装置整体的大型化,且能够将车辆用驱动装置与逆变器装置一体化。
附图说明
图1是表示车辆用驱动装置的概要结构的示意图。
图2是在轴向上观察车辆用驱动装置的图。
图3是图2的局部放大图。
图4是在铅垂方向上观察车辆用驱动装置的图。
图5是车辆用驱动装置的分解立体图。
图6是表示在特定水平方向上观察各构成部件的配置关系的示意图。
图7是表示在轴向上观察各构成部件的配置关系的示意图。
具体实施方式
参照附图对本发明所涉及的车辆用驱动装置的实施方式进行说明。本实施方式所涉及的车辆用驱动装置1是用于驱动作为车轮W的驱动力源具备内燃机E以及旋转电机MG的双方的车辆(混合动力车辆)的车辆用驱动装置(混合动力车辆用驱动装置)。具体而言,车辆用驱动装置1作为1马达并列方式的混合动力车辆用的驱动装置而构成。即,作为具备一个作为车轮W的驱动力源发挥功能的旋转电机MG的、并列方式的混合动力车辆用的驱动装置而构成。应予说明,在以下的说明中,与关于各构件的方向、位置等相关的用语是也包括具有由在制造上能够允许的误差引起的差异的状态的概念。另外,关于各构件的方向表示它们被安装至车辆用驱动装置1的状态下的方向。
1.车辆用驱动装置的概要结构
如图1所示那样,车辆用驱动装置1具备与内燃机E驱动连结的输入轴I、与车轮W驱动连结的输出轴O、旋转电机MG、以及变速机构TM。另外,在本实施方式中,车辆用驱动装置1具备卡合装置CL、齿轮机构C、差动齿轮装置DF。卡合装置CL、旋转电机MG、变速机构TM、齿轮机构C、以及差动齿轮装置DF被设置于连结输入轴I和输出轴O的动力传递路径。它们从输入轴I一侧开始按照记载的顺序设置。另外,它们被收纳在壳体(驱动装置壳体)2内。在本实施方式中,输入轴I与本发明中的“输入构件”相当,输出轴O与本发明中的“输出构件”相当。
输入轴I、旋转电机MG、以及变速机构TM配置在第一轴A1上。即,以作为虚拟轴的第一轴A1为旋转轴心,输入轴I、旋转电机MG以及变速机构TM沿第一轴A1的延伸方向排列配置(也参照图6)。另外,齿轮机构C配置在第二轴A2上。即,以作为虚拟轴的第二轴A2为旋转轴心,齿轮机构C沿第二轴A2的延伸方向配置。另外,差动齿轮装置DF配置在第三轴A3上。即,以作为虚拟轴的第三轴A3为旋转轴心,差动齿轮装置DF沿第三轴A3的延伸方向配置。这三个轴A1、A2、A3相互平行地配置。在本实施方式中,将与这三个轴A1、A2、A3平行的方向定义为“轴向L”。另外,将轴向L的从变速机构TM侧朝向输入轴I侧(图1的右侧)的方向定义为“轴第一方向L1”,将轴向L的从输入轴I侧朝向变速机构TM侧(图1的左侧)的方向定义为“轴第二方向L2”。
如图2所示那样,作为相互不同的轴的第一轴A1、第二轴A2、以及第三轴A3配置在轴向L上观察而不同的位置。在本实施方式中,第一轴A1、第二轴A2、以及第三轴A3被配置为在轴向L上观察位于三角形(在本例中为钝角三角形)的顶点。换句话说,第一轴A1、第二轴A2、以及第三轴A3被配置为在轴向L上观察时连结它们的虚拟线呈三角形。另外,在本实施方式中,在图2所示的车辆搭载状态(车辆用驱动装置1搭载于车辆的状态)中,第二轴A2被配置于比第一轴A1以及第三轴A3靠上方(铅垂方向V的上侧)。在本例中,齿轮机构C被配置为其上端部比变速机构TM的上端部以及差动齿轮装置DF的上端部靠上方。这样的多轴构成的车辆用驱动装置1例如作为搭载于FF(Front Engine Front Drive:前置引擎,前轮驱动)车辆的情况的构成而适用。
如图1所示那样,输入轴(驱动装置输入轴)I与内燃机E驱动连结。内燃机E是通过内部的燃料的燃烧而被驱动来获取动力的原动机(汽油发动机、柴油发动机等)。在本实施方式中,在内燃机E的输出轴(曲轴等)驱动连结输入轴I。内燃机E的输出轴与输入轴I也可以经由减振器等驱动连结。
卡合装置CL设置于连结输入轴I与旋转电机MG的动力传递路径。卡合装置CL对输入轴I(内燃机E)与旋转电机MG进行选择性地驱动连结。该卡合装置CL作为将内燃机E从车轮W切离的内燃机切离用卡合装置发挥功能。在本实施方式中,卡合装置CL作为液压驱动式的摩擦卡合装置而构成。应予说明,也可以是电磁驱动式的摩擦卡合装置、啮合式的卡合装置等。
旋转电机MG具有固定于壳体2的定子St、以及以自由旋转的方式支承于该定子St的径向内侧的转子Ro。旋转电机MG能够发挥接受电力的供给来产生动力的作为马达(电动机)的功能、以及接受动力的供给来产生电力的作为发电机(Generator)的功能。旋转电机MG经由第一逆变器30与蓄电装置B(电池、电容器等)电连接。旋转电机MG从蓄电装置B接受电力的供给来动力运行,或者将通过内燃机E的转矩、车辆的惯性力发出的电力供给至蓄电装置B使其蓄电。旋转电机MG的转子Ro与中间轴M以一体旋转的方式驱动连结。该中间轴M为变速机构TM的输入轴(变速输入轴)。
在本实施方式中,变速机构TM具备多个齿轮机构和多个变速用卡合装置,是能够切换变速比不同的多个变速挡的自动有级变速机构。应予说明,作为变速机构TM,也可以使用能够无级变更变速比的自动无级变速机构、以能够切换的方式具备变速比不同的多个变速挡的手动式有级变速机构、具备固定变速比的单一变速挡的恒变速机构等。变速机构TM将输入至中间轴M的旋转以及转矩与各时刻的变速比相应地变速并且进行转矩变换,并传递至该变速机构TM的变速输出齿轮Go。
变速输出齿轮Go与齿轮机构(副轴齿轮机构)C驱动连结。齿轮机构C具有分别形成于共用的轴构件的第一齿轮G1以及第二齿轮G2。第一齿轮G1与变速机构TM的变速输出齿轮Go啮合。第二齿轮G2与差动齿轮装置DF的差动输入齿轮Gi啮合。在本实施方式中,第二齿轮G2相对于第一齿轮G1被配置在轴第一方向L1侧(内燃机E侧)。第二齿轮G2与第一齿轮G1相比形成小径(齿数较少)。
差动齿轮装置(输出用差动齿轮装置)DF经由输出轴O与车轮W驱动连结。差动齿轮装置DF具有差动输入齿轮Gi以及与该差动输入齿轮Gi连结的差动主体部(差动齿轮装置DF的主体部)。差动主体部包括相互啮合的多个锥齿轮以及收纳这些锥齿轮的差动壳体而构成,发挥差动机构的中心作用。差动齿轮装置DF将从旋转电机MG侧经由变速机构TM以及齿轮机构C输入至差动输入齿轮Gi的旋转以及转矩通过差动主体部分配给左右两个输出轴O(即,左右两个车轮W)并传递。
由此,车辆用驱动装置1能够使内燃机E以及旋转电机MG的至少一方的转矩传递至车轮W来使车辆行驶。内燃机E在卡合装置CL卡合的状态下,经由输入轴I、卡合装置CL、中间轴M、变速机构TM、齿轮机构C、差动齿轮装置DF、以及输出轴O向车轮W传递驱动力。旋转电机MG经由中间轴M、变速机构TM、齿轮机构C、差动齿轮装置DF、以及输出轴O向车轮W传递驱动力。在本实施方式中,旋转电机MG与本发明中的“车轮驱动用旋转电机”相当。像这样,在本实施方式中,仅具备一个向输出轴O以及车轮W传递驱动力的车轮W的驱动用的旋转电机MG。即,本实施方式所涉及的车辆用驱动装置1具备单一的车轮驱动用的旋转电机MG。
车辆用驱动装置1具备与中间轴M以一体旋转的方式驱动连结的机械式泵(未图示)。机械式泵在内燃机E以及旋转电机MG的至少一方旋转的状态下利用其转矩喷出油。另外,在本实施方式中,车辆用驱动装置1具备通过从连结输入轴I与输出轴O的动力传递路径独立设置的泵用电动机PM(也参照图2)驱动的电动泵EOP。由于泵用电动机PM不向车轮W传递驱动力,所以不能够成为本发明中的“车轮驱动用旋转电机”。换句话说,泵用电动机PM的存在不影响车辆用驱动装置1所具备的车轮驱动用的旋转电机MG是“单一”的这一情况。
泵用电动机PM经由第二逆变器40与蓄电装置B电连接。像这样,在本实施方式中,由第一逆变器30控制的旋转电机MG和由第二逆变器40控制的泵用电动机PM将共用的蓄电装置B作为电力源而被驱动。应予说明,蓄电装置B与作为设置于车辆的例如空调调节器的压缩机、音频设备等辅机类的电力源的辅机用电池(例如12[V])相比,使用高电压的电源(100[V]以上)。应予说明,泵用电动机PM也可以将低电压的辅机用电池作为电力源而被驱动。
电动泵EOP在泵用电动机PM的旋转的状态下利用其转矩来喷出油。从机械式泵以及电动泵EOP的至少一方喷出的油使被向变速机构TM的液压伺服机构(未图示)供给的液压产生,被用于变速机构TM所具备的变速用卡合装置的卡合的状态的控制。另外,从机械式泵以及电动泵EOP的至少一方喷出的油也被用于旋转电机MG的冷却、各部位的润滑等。应予说明,在本实施方式中,通过具备电动泵EOP,即使在内燃机E的停止状态下,也能够向变速用卡合装置供给油来形成其卡合状态,能够适当地使车辆起步。本实施方式所涉及的车辆用驱动装置1能够优选应用于具有空转停止功能的混合动力车辆用的驱动装置。
2.相对于壳体的逆变器装置的固定构造
如图4所示那样,在本实施方式中,壳体2具备沿轴向L分割形成的第一壳体部21以及第二壳体部28。第一壳体部21主要形成变速机构TM以及齿轮机构C的收纳空间。第二壳体部28主要形成旋转电机MG以及卡合装置CL的收纳空间。将这些变速机构TM、齿轮机构C、旋转电机MG、以及卡合装置CL的各收纳空间合在一起而成的空间为在壳体2中以油密状形成的封闭空间(参照图6)。在本实施方式中,将该封闭空间称作“驱动要素收纳室Q”。在本实施方式中,跨过第一壳体部21和第二壳体部28形成差动齿轮装置DF的收纳空间(也参照图5)。应予说明,第二壳体部28相对于第一壳体部21从轴第一方向L1侧与其接合。
另外,在本例中例示车辆用驱动装置1具备减振器的情况的结构,形成减振器的收纳空间的第三壳体部29相对于第二壳体部28从轴第一方向L1侧与其接合。像这样,第三壳体部29、第二壳体部28、以及第一壳体部21被配置成距内燃机E的沿轴向L的分离长度按记载的顺序变大。应予说明,如图6所示那样,第三壳体部29与构成壳体2的第一壳体部21以及第二壳体部28相比,在径向上形成得较大。在本实施方式中,第三壳体部29与本发明中的“减振器收纳壳体部”相当。
如图2所示那样,进行直流电力与交流电力的变换的逆变器装置3被与壳体2一体地安装。应予说明,在本实施方式中,逆变器装置3是包括控制旋转电机MG的第一逆变器30和控制泵用电动机PM的第二逆变器40的概念。逆变器装置3不经由收纳该逆变器装置3的逆变器壳体等,被直接地固定于壳体2而一体化。即,在本实施方式所涉及的车辆用驱动装置1中,采用无逆变器壳体构造。
如图4以及图6所示那样,在本实施方式中,逆变器装置3不被固定于收纳旋转电机MG等的第二壳体部28,而被固定于收纳变速机构TM等的第一壳体部21。在本实施方式中,为了将装置整体的轴向L的长度抑制得较短,使用大径且薄型的旋转电机MG。因此,变速机构TM成为与旋转电机MG相比为小径且在轴向L上较长的形状。由此,在变速机构TM的径向外侧形成因旋转电机MG的外径与变速机构TM的外径的差异产生的、与变速机构TM的轴向L的长度相应的轴向长度的环状空间。因此,通过有效利用该环状空间的至少一部分来配置逆变器装置3,能够将包括被一体化的逆变器装置3的车辆用驱动装置1的整体小型化。另外,逆变器装置3固定于被配置在相对于第二壳体部28与内燃机E相反一侧的第一壳体部21。像这样,通过将逆变器装置3从内燃机E进一步分离配置,能够抑制内燃机E的辐射热量扩散至逆变器装置3。
第一逆变器30与旋转电机MG以及蓄电装置B电连接(参照图1),根据来自控制装置(驱动装置用控制装置)的控制指令调整蓄电装置B与旋转电机MG之间的电力的交接。在本实施方式中,第一逆变器30进行与蓄电装置B之间交接的直流电力和与旋转电机MG之间交接的交流电力(三相交流电力)间的电力变换。因此,第一逆变器30具有用于直流/交流变换的多个开关元件33。
如图3所示那样,第一逆变器30具有平板状的基板32,在该基板32上固定有多个开关元件33。基板32由热传导性高的材料(例如铜、铝等金属材料)构成,也作为散热片发挥功能。作为开关元件33,例如使用IGBT、MOSFET等。第一逆变器30例如也可以包括由二极管等构成的整流元件,该整流元件也可以与开关元件33以并联的方式连接。
在基板32的与配置开关元件33的面(元件配置面)相反的一侧的面(反元件配置面)形成有凸片32a。凸片32a形成为沿基板32的法线方向竖立设置。作为凸片32a,能够使用板状、销状等各种形状的凸片。另外,在基板32固定有对开关元件33进行开关控制的控制基板34。控制基板34在相对于开关元件33与基板32侧相反的一侧与基板32平行配置。第一逆变器30作为整体形成扁平的长方体形。
如图1所示那样,第二逆变器40与泵用电动机PM以及蓄电装置B电连接,根据来自控制装置(驱动装置用控制装置)的控制指令调整蓄电装置B与泵用电动机PM之间的电力的交接。在本实施方式中,第二逆变器40进行与蓄电装置B之间交接的直流电力和与泵用电动机PM之间交接的交流电力(三相交流电力)间的电力变换。因此,第二逆变器40具有用于直流/交变换的多个开关元件。另外,第二逆变器40具备对开关元件进行控制的控制基板。在本实施方式中,在控制基板上一体化开关元件来构成第二逆变器40。第二逆变器40也与第一逆变器30相同,作为整体形成为扁平(也参照图2)。
逆变器装置3具有与第一逆变器30以及第二逆变器40电连接的平滑电容器36。平滑电容器36将在蓄电装置B与第一逆变器30以及第二逆变器40之间交接的直流电力平滑化(抑制其变动)。作为平滑电容器36,例如能够使用由合成树脂构成的薄膜电容器、由无机材料构成的陶瓷电容器等。这样的平滑电容器36的与其大小以及形状相关的设计自由度较大,能够进行与被配置的空间的大小以及形状相应的调整。在本例中,平滑电容器36与第一逆变器30、第二逆变器40相比形成扁平率较低的长方体形(块状)。
如图5所示那样,第一逆变器30以及第二逆变器40与平滑电容器36在第一壳体部21的外周部(具体而言,沿外周壁22的区域)被固定于相互不同的位置。在轴向L观察,外周壁22沿作为三轴的构成部件的变速机构TM、齿轮机构C、以及差动齿轮装置DF的外形形成异形筒状。第一壳体部21具有从外周壁22朝向外侧(在本例中主要朝向铅垂上侧)突出的突出壁23。如图4以及图5所示那样,突出壁23包括一对对置壁部23a、23b以及连结壁部23c,其中,对置壁部23a、23b是将轴向L不同的位置沿与轴向L交叉的方向延伸且相互对置地配置而成的,连结壁部23c连结对置壁部23a、23b的两端部中的一方彼此。对置壁部23a、23b与连结壁部23c一体地形成。对置壁部23a、23b形成为在特定水平方向Hs覆盖三个轴A1、A2、A3占据的区域的整体(参照图2)。应予说明,如图2等所示那样,特定水平方向Hs是水平方向H中与轴向L正交的方向。连结壁部23c在特定水平方向Hs上相对于第一轴A1被配置在与第三轴A3侧相反的一侧。
对置壁部23a、23b的、从外周壁22的沿铅垂方向V的突出高度根据特定水平方向Hs的位置而不同(参照图5)。对置壁部23a、23b以及连结壁部23c形成为其上端部(上表面)沿水平方向H。这些壁部的突出高度在与在三轴中位于最上方的第二轴A2上的齿轮机构C对应的区域与第一逆变器30以及第二逆变器40的高度同程度,被抑制得较低。
如图4以及图5所示那样,第一壳体部21具有形成于一对对置壁部23a、23b的与连结壁部23c侧相反的一侧的端部的突出方向前端部(铅垂上侧端部)的、连结一对对置壁部23a、23b彼此的柱状或者板状的梁部24。对置壁部23a、23b与梁部24一体地形成。突出壁23以及梁部24形成为其上端部(上表面)沿水平方向H。另外,它们形成为特定水平方向Hs的外侧的侧表面沿铅垂方向V。
如图2以及图3所示那样,第一壳体部21具有从外周壁22的齿轮机构C的收纳部附近的最高点的位置朝向外侧(在本例中主要朝向特定水平方向Hs的外侧)突出的隔离壁25。隔离壁25具有规定的厚度,形成沿水平方向H延伸的厚板状。隔离壁25形成为沿特定水平方向Hs延伸至与梁部24间隔规定间隙对置的位置。这样的隔离壁25将在一对对置壁部23a、23b沿第一壳体部21的外周壁22对置的区域被划定的空间隔离为两个空间。
沿第一壳体部21的外周壁22形成的上述两个空间为收纳第一逆变器30以及第二逆变器40的第一收纳部P1、以及收纳平滑电容器36的第二收纳部P2。即,第一壳体部21在其外周部具有收纳第一逆变器30以及第二逆变器40的第一收纳部P1、以及收纳平滑电容器36的第二收纳部P2。也可以说前面说明的隔离壁25隔离第一收纳部P1和第二收纳部P2。应予说明,如图4所示那样,第一逆变器30与第二逆变器40在第一收纳部P1在特定水平方向Hs上邻接配置。在本例中,第一逆变器30配置在为梁部24侧的宽度宽区域,比第一逆变器30小型的第二逆变器40配置在为连结壁部23c侧的宽度窄区域。
在本实施方式中,将由第一收纳部P1以及第二收纳部P2划定的两个空间合在一起而成的空间称作“控制要素收纳室P”。如图6所示那样,控制要素收纳室P和上述的驱动要素收纳室Q经由形成于第一壳体部21的外周壁22的连通孔26连通。在本例中,控制要素收纳室P和驱动要素收纳室Q仅经由连通孔26连通,在连通孔26以外的部位完全被隔离。
隔离壁25具有以相对于第一收纳部P1侧的面凹陷成凹状的方式形成的凹部25a。在该凹部25a收纳凸片32a的状态下,在隔离壁25固定有第一逆变器30(具体而言固定有基板32)。隔离壁25与基板32例如夹有密封构件等,在确保液密性的状态下接合。在隔离壁25与基板32之间由凹部25a划定的空间作为使冷却水(冷却液的一个例子)流通的冷却水路F发挥功能。像这样,在本实施方式中,在将第一收纳部P1和第二收纳部P2隔离的隔离壁25形成有冷却水路F。冷却水路F沿第一逆变器30形成。另外,冷却水路F相对于第一逆变器30配置在变速机构TM侧(齿轮机构C侧)。
被导入至冷却水路F的冷却水通过各凸片32a彼此间流通。此时,通过经由基板32的热交换,开关元件33被冷却。由此,能够有效地冷却伴随开关动作发热的开关元件33。另外,在本实施方式的构造中,在第一逆变器30与变速机构TM、齿轮机构C等驱动装置构成部件之间夹有冷却水路F。因此,也能够通过冷却水路F从容易成为较高温的驱动装置构成部件将第一逆变器30热遮挡。因而,能够有效地实现第一逆变器30(开关元件33)的热保护。
如图4以及图5所示那样,在车辆搭载状态的铅垂方向V上观察,一体化的突出壁23(一对对置壁部23a、23b以及连结壁部23c)与梁部24的上表面形成框状。并且,在该框形状的内侧空间形成有第一收纳部P1。另外,在车辆搭载状态的特定水平方向Hs上观察,一体化的突出壁23(一对对置壁部23a、23b)与梁部24的侧表面也外周壁22的一部分形成框状。并且,在该框形状的内侧空间形成第二收纳部P2。第一收纳部P1和第二收纳部P2分别朝向第一壳体部21的外侧且相互不同的方向开口。具体而言,在车辆搭载状态下,第一收纳部P1朝向上方开口,并且第二收纳部P2朝向侧方(沿特定水平方向Hs)开口。
能够从铅垂方向V将第一逆变器30以及第二逆变器40插入至第一收纳部P1并固定于第一壳体部21。能够从特定水平方向Hs将平滑电容器36插入至第二收纳部P2并固定于第一壳体部21。第一逆变器30以及第二逆变器40与平滑电容器36能够通过相互独立的工序固定于第一壳体部21。应予说明,在将第一逆变器30、第二逆变器40、以及平滑电容器36分别固定于第一壳体部21的状态下,以堵塞铅垂方向V的开口部的方式安装第一盖46,以堵塞特定水平方向Hs的开口部的方式安装第二盖49。在第一盖46设置有连接从蓄电装置B延伸的布线构件的电源连接器47。
构成逆变器装置3的第一逆变器30、第二逆变器40、以及平滑电容器36使用母线等电连接构件相互电连接。在本实施方式中,第一逆变器30和第二逆变器40与平滑电容器36以并联的方式连接。换句话说,第一逆变器30和第二逆变器40为共用一个平滑电容器36的结构。从蓄电装置B延伸的布线构件与电源连接器47(参照图5)连接,该电源连接器47经由第一母线与平滑电容器36连接。经由第二母线(根据需要包括电气配线等)与平滑电容器36连接的第一逆变器30以及第二逆变器40分别经由第三母线以及第四母线与端子台51连接。
如图2以及图6所示那样,端子台51具有多个中继端子52以及保持这些中继端子52的保持台53。中继端子52使用导电性材料(在本例中为金属材料)构成,保持台53使用绝缘性材料(在本例中为树脂材料)构成。多个中继端子52通过一个保持台53被一并保持。端子台51(保持台53)在嵌合在形成于第一壳体部21的连通孔26的状态下被配置。由此,中继端子52在插通连通孔26的状态下被配置,中继端子52的两端部被配置为分别位于控制要素收纳室P(第一收纳部P1)和驱动要素收纳室Q。从第一逆变器30以及第二逆变器40延伸的各母线在控制要素收纳室P(第一收纳部P1)分别与对应的中继端子52连接。在各中继端子52,在驱动要素收纳室Q分别进一步连接从旋转电机MG以及泵用电动机PM延伸的布线构件。像这样,逆变器装置3(第一逆变器30以及第二逆变器40)经由具有中继端子52的端子台51与旋转电机MG以及泵用电动机PM电连接。
3.逆变器装置的配置结构
逆变器装置3(第一逆变器30、第二逆变器40、以及平滑电容器36)以及端子台51在与其它的驱动装置构成部件的关系中在空间(三维)上被以如下方式配置。应予说明,以下,主要对在径向观察的情况以及轴向L观察的情况的、逆变器装置3的各构成部件以及端子台51的配置进行说明。关于轴向L观察的情况,尤其关注与由第一基准面R1~第七基准面R7构成的七个基准面的关系进行说明。
能够从图4以及图5理解,第一逆变器30与平滑电容器36具有同程度的轴向尺寸。第二逆变器40以及端子台51被配置为各整体收纳在第一逆变器30以及平滑电容器36占据的轴向L的区域内。由此,它们被配置在相互相同的轴向L的位置。如图6所示那样,逆变器装置3以及端子台51被配置为在径向上观察与变速机构TM重复,并且不与旋转电机MG重复。换句话说,逆变器装置3以及端子台51不被配置在旋转电机MG的径向外侧,而被配置在直径比旋转电机MG小的变速机构TM的径向外侧。并且,它们中的端子台51被配置为在轴向L上观察与旋转电机MG(在本例中为定子St)重复。另外,在车辆搭载状态下,逆变器装置3被配置为其上端部比第三壳体部29的上端部靠下方。应予说明,在本例中,第一盖46的上端部与第三壳体部29的上端部相比位于上方,但其伸出量被抑制在必要最小限。
如图7所示那样,第一基准面R1是通过第一轴A1和第三轴A3的虚拟平面。第二基准面R2以及第三基准面R3是分别与第一基准面R1正交且分别与差动齿轮装置DF的差动输入齿轮Gi的外接圆相接的两个虚拟平面。将它们中相对于第三轴A3位于第一轴A1侧的一方设为第二基准面R2,将位于与第一轴A1侧相反的一侧的一方设为第三基准面R3。第四基准面R4是与第一基准面R1正交并且通过第三轴A3的虚拟平面。第五基准面R5是与第一基准面R1正交并且在相对于第一轴A1与第三轴A3侧相反的一侧与旋转电机MG(定子St)相接的虚拟平面。第六基准面R6是通过第一轴A1和第二轴A2的虚拟平面。第七基准面R7是沿轴向L以及铅垂方向V延伸并且在相对于与第三轴A3与第一轴A1侧相反的一侧与第一壳体部21的外缘相接的虚拟平面。
平滑电容器36在相对于第二轴A2与第一基准面R1侧相反的一侧的区域被配置在第二基准面R2与第三基准面R3之间。在本实施方式中,平滑电容器36被进一步配置在第二基准面R2与第七基准面R7之间。平滑电容器36被配置为在基准正交方向D(与第一基准面R1正交的方向)上观察与差动齿轮装置DF重复。平滑电容器36被配置为在基准正交方向D上观察进一步与第一逆变器30以及冷却水路F重复。另外,平滑电容器36被配置为在与第一基准面R1平行且与轴向L正交的方向上观察与齿轮机构C重复。平滑电容器36被配置为即使在特定水平方向Hs上观察也与齿轮机构C重复。并且,平滑电容器36被配置为至少其一部分比第六基准面R6靠铅垂下侧。
像这样,通过在位于在第二轴A2基准下的齿轮机构C的径向外侧且在第三轴A3基准下的差动齿轮装置DF的径向外侧的共用区域配置平滑电容器36,能够有效利用装置内部的空间。尤其是,由于平滑电容器36的形状自由度比较高,所以容易使其外形适合于齿轮机构C与差动齿轮装置DF的共用的外侧区域的立体形状。因而,能够极力抑制在装置内部产生无效空间,能够将包括逆变器装置3的车辆用驱动装置1的整体小型化。
第一逆变器30在相对于齿轮机构C与第一基准面R1侧相反的一侧的区域被配置在第二基准面R2与第四基准面R4之间。第一逆变器30被配置为基准正交方向D上观察与差动齿轮装置DF以及齿轮机构C重复。并且,第一逆变器30被配置为在基准正交方向D上观察与平滑电容器36重复。第一逆变器30被配置为在基准正交方向D上观察,特定水平方向Hs的两端部中的一方与齿轮机构C重复,另一方与平滑电容器36重复。
第二逆变器40在相对于齿轮机构C与第一基准面R1侧相反的一侧的区域被配置在第二基准面R2与第五基准面R5之间。第二逆变器40被配置为在基准正交方向D上观察与齿轮机构C以及变速机构TM重复。另外,第二逆变器40被配置为在特定水平方向Hs上观察与第一逆变器30以及端子台51重复。沿特定水平方向Hs相邻的第一逆变器30与第二逆变器40被配置在占据实际相同的铅垂方向V的位置的区域。
端子台51在相对于第二轴A2与第一基准面R1侧相反的一侧的区域被配置在第二基准面R2与第五基准面R5之间。端子台51被配置为在基准正交方向D上观察与变速机构TM重复。端子台51被配置为即使在铅垂方向V上观察也与变速机构TM重复。端子台51相对于被配置于在特定水平方向Hs上邻接的位置的第二逆变器40被配置包括相同的铅垂方向V的位置的下方区域。另外,端子台51被配置为在与第一基准面R1平行且与轴向L正交的方向上观察与平滑电容器36以及齿轮机构C重复。端子台51被配置为即使在特定水平方向Hs上观察也与平滑电容器36以及齿轮机构C重复。
端子台51包括为了插通形成于第一壳体部21的连通孔26而具有一定程度的长度的中继端子52,所以与第一逆变器30、第二逆变器40相比容易形成扁平率低的长方体形(块状)。即使在该情况下,在本实施方式的构成中,通过在位于在第二轴A2基准下的齿轮机构C的径向外侧且在第一轴A1基准下的变速机构TM的径向外侧的共用区域配置端子台51,能够有效利用装置内部的空间。因而,能够极力抑制在装置内部产生无效空间,将包括逆变器装置3的车辆用驱动装置1的整体小型化。
尤其是在本实施方式中,相对于在三轴的构成部件中位于最上方的齿轮机构C,均形成为长方体形(块状)的平滑电容器36和端子台51被分开配置在特定水平方向Hs的两侧。并且,它们均被配置为在特定水平方向Hs上观察与齿轮机构C重复。因而,能够在第二轴A2基准下的齿轮机构C的径向外侧的区域紧凑地配置长方体形(块状)的平滑电容器36以及端子台51。
像这样,在本实施方式中,对于第一逆变器30、第二逆变器40、平滑电容器36、以及端子台51,考虑各自的形状特性(形状自由度、扁平率等),被配置为满足上述那样的各方式。由此,包括构成逆变器装置3的第一逆变器30及第二逆变器40、以及也包括它们共用的平滑电容器36以及端子台51的车辆用驱动装置1的整体在轴向L上观察构成为横长的矩形。能够将它们例如以纵横比设为“5:4”~“3:2”,在图示的例子中为“14:11”左右。并且,在该横长的矩形状的外形中,各构成部件相互不干扰,被密集配置,也包括逆变器装置3等的车辆用驱动装置1的整体被有效地小型化。因而,能够确保最低离地间隙,并且将车辆用驱动装置1固定于车体,能够确保车辆用驱动装置1向车辆的良好的搭载性。
4.其它的实施方式
最后,对本发明所涉及的车辆用驱动装置的其它的实施方式进行说明。应予说明,在以下的各实施方式公开的构成只要不产生矛盾,也能够与在其它的实施方式公开的构成组合并应用。
(1)在上述的实施方式中,对端子台51被配置为在径向上观察与变速机构TM重复且不与旋转电机MG重复的例子进行了说明。另外,对端子台51被配置为在轴向L上观察与旋转电机MG(仅与定子St)重复的例子进行了说明。但是,本发明的实施方式并不局限于此。例如,端子台51也可以被配置为在径向上观察也与MG重复,在轴向L上观察不与MG重复。另外,端子台51还可以被配置为在轴向L上观察除了与定子St还与转子Ro重复。另外,依据端子台51的形状,该端子台51还可以被配置为在径向以及轴向L上观察与旋转电机MG重复。
(2)在上述的实施方式中,对端子台51被配置为在铅垂方向V上观察与变速机构TM重复且在特定水平方向Hs上观察与齿轮机构C重复的例子进行了说明。但是,本发明的实施方式并不局限于此。例如,端子台51也可以被配置为在铅垂方向V上观察不与变速机构TM重复。另外,端子台51还可以被配置为在特定水平方向Hs上观察不与齿轮机构C重复。
(3)在上述的实施方式中,对逆变器装置3的整体被配置为比第三壳体部29的上端部靠下方的例子进行了说明。另外,对第一盖46被配置为向比第三壳体部29的上端部靠上方伸出的例子进行了说明。但是,本发明的实施方式并不局限于此。例如,除了逆变器装置3之外,也可以也将第一盖46配置为收纳在比第三壳体部29的上端部靠下方。这样,能够将车辆用驱动装置1的整体进一步小型化。或者,逆变器装置3也可以被配置为向比第三壳体部29的上端部靠上方伸出。
(4)在上述的实施方式中,对使用与旋转电机MG相比小径且轴向L较长的形状的变速机构TM的例子进行了说明。但是,本发明的实施方式并不局限于此。能够任意设定旋转电机MG与变速机构TM的径向以及轴向L的大小关系。例如,也可以使用具有与旋转电机MG同程度的外径的变速机构TM,也能够使用与旋转电机MG相比大径的变速机构TM。另外,可以使用具有与旋转电机MG同程度的轴向长度的变速机构TM,也能够使用与旋转电机MG相比轴向长度较短的变速机构TM。
(5)在上述的实施方式中,以逆变器装置3被固定于收纳变速机构TM等的第一壳体部21的构成为例进行了说明。但是,本发明的实施方式并不局限于此。例如,也可以以在径向上观察不与旋转电机MG重复的方式配置为条件,逆变器装置3跨过第一壳体部21和收纳旋转电机MG等的第二壳体部28而被固定。
(6)关于其它的构成,在本说明书中公开的实施方式以全部的点例示,应理解为本发明的范围并不被它们限定。本领域技术人员能够容易理解,在不脱离本发明的主旨的范围内能够适当地改变。因此,在不脱离本发明的主旨的范围内改变的其它的实施方式当然也包括在本发明的范围内。
工业实用性
本发明能够利用于混合动力车辆用的驱动装置。
符号说明:1:车辆用驱动装置;2:壳体;3:逆变器装置;29:第三壳体部(减振器收纳壳体部);33:开关元件;51:端子台;52:中继端子;E:内燃机;MG:旋转电机(车轮驱动用旋转电机);TM:变速机构;C:齿轮机构;DF:差动齿轮装置;W:车轮;I:输入轴(输入构件);O:输出轴(输出构件);EOP:电动泵;PM:泵用电动机;A1:第一轴(变速机构的旋转轴心);A2:第二轴(齿轮机构的旋转轴心);A3:第三轴(差动齿轮装置的旋转轴心);L:轴向;H:水平方向;Hs:特定水平方向(与轴向正交的水平方向);V:铅垂方向;P:控制要素收纳室;Q:驱动要素收纳室。

Claims (8)

1.一种车辆用驱动装置,具备:
输入构件,其与内燃机驱动连结;输出构件,其与车轮驱动连结;单一的车轮驱动用旋转电机,其向所述输出构件传递驱动力;变速机构,其设置于连结所述车轮驱动用旋转电机与所述输出构件的动力传递路径;以及逆变器装置,其对所述车轮驱动用旋转电机进行控制,其中,
所述输入构件、所述车轮驱动用旋转电机以及所述变速机构同轴状地且在轴向排列配置,
所述逆变器装置被配置为在径向上观察与所述变速机构重复,且在所述径向上观察不与所述车轮驱动用旋转电机重复,
具备端子台,该端子台具有用于将所述逆变器装置与所述车轮驱动用旋转电机电连接的中继端子,
所述端子台被配置为在所述径向上观察与所述变速机构重复,并且在所述轴向上观察与所述车轮驱动用旋转电机重复。
2.根据权利要求1所述的车辆用驱动装置,其中,
所述变速机构与所述车轮驱动用旋转电机相比,在所述径向上形成得较小,
所述逆变器装置相对于所述变速机构被配置在所述径向的外侧。
3.根据权利要求1所述的车辆用驱动装置,其中,
所述变速机构与所述车轮驱动用旋转电机相比,所述轴向的长度形成得较大。
4.根据权利要求2所述的车辆用驱动装置,其中,
所述变速机构与所述车轮驱动用旋转电机相比,所述轴向的长度形成得较大。
5.根据权利要求1所述的车辆用驱动装置,其中,
在所述动力传递路径上还具备:差动齿轮装置,其将从所述变速机构侧传递的驱动力分配给多个所述输出构件;齿轮机构,其介于所述变速机构与所述差动齿轮装置之间,
所述变速机构的旋转轴心、与所述轴向平行的所述齿轮机构的旋转轴心以及与所述轴向平行的所述差动齿轮装置的旋转轴心在所述轴向上观察分别被配置于三角形的顶点,
在车辆搭载状态下,所述齿轮机构被配置为其上端部比所述变速机构的上端部靠上方,
所述端子台被配置为在车辆搭载状态下在铅垂方向上观察与所述变速机构重复,并且在与所述轴向正交的水平方向上观察与所述齿轮机构重复。
6.根据权利要求1至5中任意一项所述的车辆用驱动装置,其中,
所述逆变器装置至少包括用于直流/交流变换的多个开关元件。
7.根据权利要求1至5中任意一项所述的车辆用驱动装置,其中,
具备收纳所述车轮驱动用旋转电机以及所述变速机构的壳体,
在所述壳体与所述内燃机之间设置减振器收纳壳体部,该减振器收纳壳体部收纳减振器,并且与所述壳体相比在所述径向形成得较大,
在车辆搭载状态下,所述逆变器装置被配置为其上端部比所述减振器收纳壳体部的上端部靠下方。
8.根据权利要求6所述的车辆用驱动装置,其中,
具备收纳所述车轮驱动用旋转电机以及所述变速机构的壳体,
在所述壳体与所述内燃机之间设置减振器收纳壳体部,该减振器收纳壳体部收纳减振器,并且与所述壳体相比在所述径向形成得较大,
在车辆搭载状态下,所述逆变器装置被配置为其上端部比所述减振器收纳壳体部的上端部靠下方。
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