CN108215748A - 电动车辆 - Google Patents

电动车辆 Download PDF

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Publication number
CN108215748A
CN108215748A CN201711384533.4A CN201711384533A CN108215748A CN 108215748 A CN108215748 A CN 108215748A CN 201711384533 A CN201711384533 A CN 201711384533A CN 108215748 A CN108215748 A CN 108215748A
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China
Prior art keywords
computer
motor
bracket
ecu104
ecu106
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Granted
Application number
CN201711384533.4A
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CN108215748B (zh
Inventor
采女贵宽
驹泽大辅
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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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching type
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    • 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
    • B60K6/44—Series-parallel type
    • B60K6/448—Electrical distribution type
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • 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
    • 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
    • B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
    • 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
    • B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
    • 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
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    • 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
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • 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
    • B60K6/26—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 motors or the generators
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    • 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
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    • 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
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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Abstract

本发明提供一种能够实现削减蓄电单元整体的零部件数量、小型化等的电动车辆(10)。电动车辆(10)的蓄电单元(84)包括控制第1行驶马达(34)的第1计算机(104)、控制第2行驶马达(52a、52b)的第2计算机(106)和支承部件(146)。蓄电单元(84)被配置于电动车辆(10)的座椅(160)的后方。在第1计算机(104)被固定于支承部件(146)的第1表面(280)，第2计算机(106)被固定于第2表面(282)的状态下，支承部件(146)在车辆(10)的前后方向上被配置于座椅(160)与蓄电装置(60)之间。

Description

电动车辆
技术领域
本发明涉及一种具有多个行驶马达的电动车辆。
背景技术
在日本发明专利公开公报特开2014-221622号(以下称为“JP 2014-221622 A”。)中，目的在于在车辆受到后面碰撞时防止高电压部件的损伤([0005]段、摘要)。为了达到该目的，JP 2014-221622 A(摘要)中，设置有蓄电池组12，该蓄电池组12搭载于形成在车辆的车身后部的凹部11a。蓄电池组12具有蓄电池模块20、前后夹持该蓄电池模块20来保持该蓄电池模块20的前部保持部件15和后部保持部件16、支承在前部保持部件15的前表面的接线板(junction board)24。
在前部保持部件15的前表面设有推压部件56，推压部件56的前后方向尺寸比接线板24的前后方向尺寸大。因此，当由于后面碰撞使得前部保持部件15被蓄电池模块20的框架29推压而前进时，即使支承于前部保持部件15的前表面的接线板24有可能被夹持在与凹部11a的前壁11b之间，也能够使接线板24位于通过由推压部件56抵接于凹部11a的前壁11b进行支撑而形成的空间，来防止接线板24损伤。
发明内容
如上所述，在JP 2014-221622 A中，目的在于在车辆受到后面碰撞时防止高电压部件的损伤，关于蓄电池组12(或蓄电单元)在其他方面还存在改进的余地。例如，JP 2014-221622 A的技术在削减蓄电单元整体的零部件数量或小型化方面存在改进的余地。
本发明是考虑到上述技术问题而做出的，目的在于提供一种能够实现削减蓄电单元整体的零部件数量、小型化等的电动车辆。
本发明所涉及的电动车辆具有：第1行驶马达；第2行驶马达；和蓄电单元，其向所述第1行驶马达和所述第2行驶马达供给电力，其特征在于，
所述蓄电单元包括：蓄电装置；第1计算机，其控制所述第1行驶马达；第2计算机，其控制所述第2行驶马达；支承部件，其具有第1表面和所述第1表面相反侧的第2表面，
所述蓄电单元被配置于所述电动车辆的座椅的后方，
在所述第1计算机被固定于所述支承部件的所述第1表面，所述第2计算机被固定于所述第2表面的状态下，所述支承部件在所述电动车辆的前后方向上被配置于所述座椅与所述蓄电装置之间。
根据本发明，第1计算机和第2计算机双方被固定于一个支承部件。因此，与将第1计算机和第2计算机分别固定于不同的支承部件的情况相比，能够削减零部件数量和节省空间。
另外，在座椅在车辆的前后方向上倾斜且蓄电装置为大致长方体形状(至少座椅侧的表面为大致垂直)的情况下，能够在座椅与蓄电装置之间产生空间。根据本发明，被固定于支承部件的第1计算机和第2计算机在车辆的前后方向上被配置于座椅与蓄电装置之间。因此，通过将第1计算机和第2计算机配置于座椅与蓄电装置之间的空间，也能够节省空间。
并且，在被固定于支承部件的第1计算机和第2计算机被配置于座椅与蓄电装置之间的状态下，例如在从车辆的后方对蓄电单元施加了大的外力的情况下，第1计算机和第2计算机比其他零部件(电力转换装置等)先被压坏。因此，易于实现保护其他零部件。
所述蓄电单元也可以具有对所述蓄电装置的输出电力进行转换的电力转换装置。所述电力转换装置也可以配置于所述蓄电装置的上侧。据此，例如在从车辆的后方对电力转换装置施加了大的外力的情况下，能够使电力转换装置向上方移动，据此，易于保护电力转换装置。
能够使所述支承部件例如为导电性的托架。所述第1计算机和所述第2计算机也可以接地于所述托架。所述托架也可以直接或间接地接地于车身。据此，能够通过共用的托架使第1计算机和第2计算机接地。因此，能够简化用于接地的结构。另外，通过使接地为共用，从第1计算机向第1行驶马达的信号与从第2计算机向第2行驶马达的信号之间不容易产生基准电势的偏差。因此，能够抑制由于基准电势的偏差引起的第1行驶马达与第2行驶马达的动作差。
所述支承部件也可以为中空状。据此，能够使支承部件轻量化。
所述第1计算机和所述第2计算机也可以为长方体形状。所述支承部件也可以具有板状部，该板状部具有所述第1表面和所述第2表面。也可以在所述板状部的所述第1表面形成有用于安装所述第1计算机的两个第1安装孔。也可以在所述板状部的所述第2表面形成有用于安装所述第2计算机的两个第2安装孔。所述第1安装孔也可以配置在互为对角的位置。所述第2安装孔也可以配置在互为对角的位置。
据此，第1计算机和第2计算机分别在两个位置被固定，因此，能够使第1安装孔和第2安装孔的数量比较少。因此，通过减少形成于支承部件的第1安装孔和第2安装孔的数量，能够提高支承部件的刚性。
所述支承部件的所述板状部、所述第1计算机和所述第2计算机也可以分别以下部比上部靠所述电动车辆的前侧的方式倾斜。据此，能够在座椅以越靠上方则越位于车辆的后方的方式倾斜的情况下，将支承部件的板状部、第1计算机和第2计算机分别以沿着座椅的方式配置。因此，能够使支承部件的板状部、第1计算机和第2计算机分别靠近座椅配置。由此，能够减小为了配置蓄电单元所需要的空间，其结果，能够扩大车厢或货舱。
通过参照附图对以下实施方式所做的说明，上述的目的、特征和优点被容易理解。
附图说明
图1是本发明一实施方式所涉及的电动车辆的一部分的概略结构图。
图2是简略地表示所述实施方式的所述电动车辆中的蓄电池单元的配置的侧视剖视图。
图3是简略地表示所述实施方式中的所述蓄电池单元的立体分解图。
图4是简略地表示所述实施方式中的所述蓄电池单元的外观的立体图。
图5是表示所述实施方式的托架、第1马达电子控制装置和第2马达电子控制装置的立体分解图。
图6是表示所述实施方式的所述第1马达电子控制装置及其周边的立体图。
图7是表示所述实施方式的所述第2马达电子控制装置及其周边的立体图。
附图标记说明
10：电动车辆；34：第1行驶马达；52a、52b：第2行驶马达；60：高电压蓄电池(蓄电装置)；64：降压转换器(电力转换装置)；84：蓄电池单元(蓄电单元)；104：1MOT ECU(第1计算机)；106：2MOT ECU(第2计算机)；146：托架(支承部件)；160：座椅；250：板状部；270a、270b：第1螺栓孔(第1安装孔)；272a、272b：第2螺栓孔(第2安装孔)；280：第1表面；282：第2表面。
具体实施方式
A.一实施方式
<A-1.整体结构>
[A-1-1.概要]
图1是本发明一实施方式所涉及的电动车辆10(以下还称为“车辆10”。)的一部分的概略结构图。车辆10具有前轮驱动装置20、后轮驱动装置22、电力系统24、传感器类26和控制系统28。
前轮驱动装置20对左前轮30l和右前轮30r(以下总称为“前轮30”。)进行驱动。前轮驱动装置20具有发动机32、第1行驶马达34(以下还称为“第1马达34”或“马达34”。)、离合器36和变速器38。
后轮驱动装置22对左后轮50l和右后轮50r(以下总称为“后轮50l、50r”或“后轮50”。)进行驱动。后轮驱动装置22具有两个第2行驶马达52a、52b(以下还称为“第2马达52a、52b”或“马达52a、52b”。)。前轮驱动装置20和后轮驱动装置22为机械上非连接状态，分别独立设置。
电力系统24向第1行驶马达34、第2行驶马达52a、52b供给电力，具有高电压蓄电池60、电力控制单元62a、62b、62c(以下称为“PCU62a、62b、62c”。)、降压转换器64和辅助设备类66。如图1所示，PCU62a、62b、62c具有DC/DC转换器80a、80b、80c和换流器(Inverter)82a、82b、82c。
控制系统28对发动机32和第1行驶马达34、第2行驶马达52a、52b的动力进行控制。控制系统28中包括综合电子控制装置100、发动机电子控制装置102、第1马达电子控制装置104、第2马达电子控制装置106、蓄电池电子控制装置108和降压电子控制装置110。以下，将综合电子控制装置100称为“综合ECU100”或“ECU100”。将发动机电子控制装置102称为“发动机ECU102”、“ENG ECU102”或“ECU102”。将第1马达电子控制装置104称为“第1马达ECU104”、“马达ECU104”、“1MOT ECU104”或“ECU104”。将第2马达电子控制装置106称为“第2马达ECU106”、“马达ECU106”、“2MOT ECU106”或“ECU106”。将蓄电池电子控制装置108称为“蓄电池ECU108”、“BAT ECU108”或“ECU108”。将降压电子控制装置110称为“降压ECU110”或“ECU110”。
在本实施方式中，高电压蓄电池60、降压转换器64(高电压零部件)、1MOT ECU104、2MOT ECU106和BAT ECU108构成向第1行驶马达34和第2行驶马达52a、52b供给电力的蓄电池单元84(蓄电单元)。
[A-1-2.前轮驱动装置20]
前轮驱动装置20例如在中等负载时仅使用发动机32进行驱动，在高负载时使用发动机32和第1马达34进行驱动。也可以在车辆10为低负载时仅使用第1马达34进行驱动。
发动机32例如为6缸型发动机，但也可以为2缸、4缸或8缸型等其他发动机。另外，发动机32不局限于汽油发动机，也可以是柴油发动机等发动机。发动机32和第1行驶马达34被配置于在车辆10的前侧设置的发动机舱(未图示)内。
第1行驶马达34生成车辆10的行驶动力，并且，使用发动机32的动力进行发电。并且，在启动发动机32时，第1行驶马达34使发动机32的未图示的曲柄轴旋转来进行曲柄启动(cranking)。
第1马达34例如为3相交流无刷式，但也可以是3相交流有刷式、单相交流式、直流式等其他马达。第1马达34的规格既可以与第2马达52a、52b相同，也可以与之不同。第1马达34既能够产生正转(使车辆10前进的旋转)方向的扭矩又能够产生反转(使车辆10后退的旋转)方向的扭矩。
以下还将第1行驶马达34称为曲柄启动马达34、CRK MOT34或马达34。在本实施方式中，没有设置独立于第1行驶马达34的曲柄启动马达(或启动马达)，但也可以设置这种独立的曲柄启动马达。另外，还将发动机32和第1行驶马达34的动力称为前轮动力。
离合器36被配置在发动机32和CRK MOT34的组合与变速器38之间。在离合器36接通(连接状态)的情况下，能够将发动机32和CRK MOT34的动力传递给前轮30，并且，能够将来自前轮30的动力传递给CRK MOT34进行再生。在离合器36断开(非连接状态)的情况下，发动机32和CRK MOT34的动力不被传递给前轮30。在该情况下，能够使用发动机32的动力而通过CRK MOT34进行发电。
本实施方式的变速器38为自动变速器。然而，变速器38也可以是手动变速器等其他变速器。
[A-1-3.后轮驱动装置22]
第2马达52a的输出轴连接于左后轮50l的旋转轴，将驱动力传递给左后轮50l。第2马达52b的输出轴连接于右后轮50r的旋转轴，将驱动力传递给右后轮50r。第2行驶马达52a、52b和后轮50之间也可以设置未图示的离合器和/或减速器。
第2行驶马达52a、52b生成车辆10的行驶动力，并且，使用来自后轮50的动力进行发电。以下还将第2行驶马达52a、52b称为TRC MOT52a、52b或马达52a、52b，并且，总称为TRCMOT52或马达52。另外，将从后轮驱动装置22传递给后轮50的动力称为后轮动力。
第2马达52a、52b例如为3相交流无刷式，但也可以是3相交流有刷式、单相交流式、直流式等其他马达。第2马达52a、52b的规格既可以与第1马达34相同，也可以与之不同。
[A-1-4.电力系统24]
高电压蓄电池60经由PCU62a、62b、62c向第1马达34、第2马达52a、52b供给电力，并且，使用来自第1马达34、第2马达52a、52b的再生电力Preg进行充电。
蓄电池60是包含多个蓄电池单元的蓄电装置(储能器)，例如可以使用锂离子二次电池、镍氢二次电池等。还能够使用电容器等蓄电装置来替代蓄电池60。本实施方式中使用锂离子二次电池。本实施方式的蓄电池60为长方体形状，但也可以为圆柱形等形状。
DC/DC转换器80a、80b、80c(电力转换装置)进行蓄电池60的输出电压的升压和第1马达34、第2马达52a、52b的输出电压的降压。
第1～第3换流器82a、82b、82c(电力转换装置)为三相全桥式结构，进行直流/交流转换。即，第1～第3换流器82a、82b、82c将直流转换成三相的交流来向第1马达34、第2马达52a、52b供给。另外，第1～第3换流器82a、82b、82c将伴随着第1马达34、第2马达52a、52b的再生动作的交流/直流转换后的直流向蓄电池60供给。
降压转换器64(电力转换装置)根据来自降压ECU110的指令来转换高电压蓄电池60的输出电压。具体而言，降压转换器64将蓄电池60的输出电压降压来向辅助设备类66供给。辅助设备类66中例如包括未图示的低电压蓄电池、前大灯等。
[A-1-5.传感器类26]
传感器类26中例如包括加速踏板传感器、车速传感器、发动机旋转速度传感器、发动机扭矩传感器、挡位传感器、SOC传感器、蓄电池温度传感器、蓄电池电压传感器和蓄电池电流传感器。
加速踏板传感器检测对加速踏板的操作量θap(以下还称为“AP操作量θap”。)[％]。车速传感器检测车辆10的车速V[km/h]。发动机旋转速度传感器检测作为每单位时间的发动机转数的发动机转速Ne[rpm]。发动机扭矩传感器检测发动机32生成的扭矩Teng(以下还称为“发动机扭矩Teng”或“发动机生成扭矩Teng”。)。挡位传感器检测挡位Ps。挡位Ps中包括变速器38的变速挡。
蓄电池温度传感器检测蓄电池60的温度Hbat(以下还称为“蓄电池温度Hbat”。)。SOC传感器检测蓄电池60的SOC(State Of Charge；剩余电量、充电率)。蓄电池电压传感器检测蓄电池60的输入输出电压Vbat(以下还称为“电压Vbat”或“蓄电池电压Vbat”。)。蓄电池电流传感器检测蓄电池60的输入输出电流Ibat(以下还称为“电流Ibat”或“蓄电池电流Ibat”。)。蓄电池60的温度Hbat、电压Vbat和电流Ibat例如用于计算蓄电池60的放电极限值Pbat_lim(输出极限)。
[A-1-6.控制系统28]
综合ECU100对整个车辆10进行管理，在本实施方式中，例如对ENG ECU102、马达ECU104、106、BAT ECU108、降压ECU110进行控制。发动机ECU102根据来自综合ECU100的指令等来控制发动机32。
第1马达ECU104根据来自综合ECU100的指令等来控制第1行驶马达34。具体而言，马达ECU104控制转换器80a的升压率，以使DC/DC转换器80a的输出电压成为第1马达34要求的电压。对转换器80a的升压率的控制通过改变对转换器80a的开关元件(未图示)的驱动信号的占空比来进行。除此之外，马达ECU104控制对换流器82a的开关元件(未图示)的占空比，以使流经换流器82a的电流成为第1马达34要求的电流。
第2马达ECU106根据来自综合ECU100的指令等来控制第2行驶马达52a、52b。具体而言，马达ECU106控制转换器80b、80c的升压率，以使DC/DC转换器80b、80c的输出电压成为第2马达52a、52b要求的电压。除此之外，马达ECU106控制对于换流器82b、82c的开关元件(未图示)的占空比，以使流经换流器82b、82c的电流成为第2马达52a、52b要求的电流。
蓄电池ECU108根据来自综合ECU100的指令等来控制高电压蓄电池60。例如，蓄电池ECU108监视蓄电池60的输出，以使蓄电池60的输出不超过放电极限值Pbat_lim。在蓄电池60的输出超过放电极限值Pbat_lim的情况下，ECU108停止从蓄电池60的输出。降压ECU110根据来自综合ECU100的指令等来控制降压转换器64。具体而言，降压ECU110控制降压转换器64，以使从蓄电池60输出的输出电压成为规定的低电压(例如12V)。
各ECU100、102、104、106、108、110具有未图示的输入输出部、运算部和存储部。输入输出部进行ECU100、102、104、106、108、110与其他部位(包括其他ECU。)之间的信号的输入输出。输入输出部也可以包括乘员(包括驾驶员。)的操作输入输出装置(HMI：Human-Machine Interface；人机接口)。
运算部通过执行被存储于存储部的程序来实现上述各ECU100、102、104、106、108、110的功能(即，执行各种处理)，例如包括中央处理器(CPU)。
存储部存储运算部使用的程序和数据。存储部例如具有随机存取存储器(以下称为“RAM”。)。作为RAM，可以使用寄存器等易失性存储器和闪存等非易失性存储器。另外，除RAM外，存储部还可以具有只读存储器(以下称为“ROM”。)。
此外，在本实施方式中，假定运算部使用的程序和数据被存储于车辆10的存储部。然而，例如也可以经由输入输出部所包含的无线装置(未图示)来从外部服务器(未图示)获取程序和数据的一部分。
另外，在本实施方式中，通过上述那样的划分方式来设置ECU100、102、104、106、108、110，但也可以通过其他划分方式(组合)来构成ECU100、102、104、106、108、110。
本实施方式中的各ECU100、102、104、106、108、110(它们的壳体)为大致长方体形状(例如，第1马达ECU104和第2马达ECU106参照图5～图7)。或者，各ECU100、102、104、106、108、110也可以为其他形状。
<A-2.蓄电池单元84的具体结构和配置>
[A-2-1.概要]
图2是简略地表示本实施方式的电动车辆10中的蓄电池单元84的配置的侧视剖视图。图2所示的前后左右以车辆10为基准(图3～图7亦同样。)。图3是简略地表示本实施方式中的蓄电池单元84的立体分解图。图4是简略地表示本实施方式中的蓄电池单元84的外观的立体图。
如上所述，蓄电池单元84具有高电压蓄电池60、降压转换器64、1MOT ECU104、2MOTECU106和BAT ECU108。除此之外，如图2～图4所示，蓄电池单元84具有上侧单元罩130、前侧蓄电池框架132、下侧蓄电池框架134、下侧单元框架136、导管138、第1接线盒140、第2接线盒142、维护插头(Service plug)144、托架146。在下侧蓄电池框架134上形成有托架固定部150。并且，在蓄电池单元84中可以包含所述SOC传感器、蓄电池温度传感器、蓄电池电压传感器和蓄电池电流传感器等。
各电气零部件(高电压蓄电池60、降压转换器64等)通过第1接线盒140、第2接线盒142等相互连接。托架146固定或支承1MOT ECU104和2MOT ECU106(细节后述。)。
如图2所示，蓄电池单元84(包括高电压蓄电池60。)被配置在座椅160(座垫162和靠背164)的后方。在蓄电池单元84与座椅160之间配置有隔板166。另外，在蓄电池单元84的后方配置有货舱170。在将蓄电池单元84组装于车辆10时，在从座椅160侧向货舱170侧使蓄电池单元84移动到蓄电池单元配置空间172内之后，通过未图示的螺栓等将蓄电池单元84固定在车辆10上。在固定蓄电池单元84之后关闭前罩174。
如图2和图3所示，降压转换器64(电力转换装置)隔着导管138配置在长方体形状的高电压蓄电池60的上侧。
另外，如图2～图4所示，1MOT ECU104和2MOT ECU106以被固定在托架146上的状态配置在蓄电池60的前侧。换言之，托架146(支承部件)在车辆10的前后方向上被配置在座椅160与蓄电池60之间。托架146(尤其是后述的板状部250(图5))、第1马达ECU104和第2马达ECU106分别以下部比上部靠车辆10的前侧的方式倾斜。尤其是在本实施方式中，托架146(尤其是后述的板状部250)、第1马达ECU104和第2马达ECU106分别与靠背164大致平行。据此，易于使托架146、第1马达ECU104和第2马达ECU106分别接近靠背164和隔板166。
[A-2-2.第1马达ECU104和第2马达ECU106]
图5是表示本实施方式的托架146、第1马达ECU104和第2马达ECU106的立体分解图。图6是表示本实施方式的第1马达ECU104及其周边的立体图。图7是表示本实施方式的第2马达ECU106及其周边的立体图。此外，需注意：在图5～图7中根据需要而省略了周边零部件。
如图5～图7所示，第1马达ECU104和第2马达ECU106为大致长方体形状。
如图5和图6所示，在第1马达ECU104上形成有第1托架固定部200a、200b。第1托架固定部200a是用于在上方将第1马达ECU104固定于托架146的部位，形成有第1托架固定孔202a。第1托架固定部200b是用于在下方将第1马达ECU104固定于托架146的部位，形成有第1托架固定孔202b。螺栓204a、204b和螺母206a、206b经由第1托架固定孔202a、202b和托架146的第1螺栓孔270a、270b(后述)而结合，据此，第1托架固定部200a、200b被固定于托架146。据此，第1马达ECU104被接地于托架146。
如图5和图7所示，在第2马达ECU106上形成有两个第2托架固定部210a、210b。第2托架固定部210a是用于在上方将第2马达ECU106固定于托架146的部位，形成有第2托架固定孔212a。第2托架固定部210b是用于在下方将第2马达ECU106固定于托架146的部位，形成有第2托架固定孔212b。螺栓214a、214b和螺母216a、216b经由第2托架固定孔212a、212b和托架146的第2螺栓孔272a、272b(后述)而结合，据此，第2托架固定部210a、210b被固定于托架146。据此，第2马达ECU106被接地于托架146。
如图5和图6所示，在第1马达ECU104上设有多个连接器220a、220b、220c、220d。如图5和图6所示，在第1马达ECU104的左侧(图6的右侧)配置有一个连接器220a，在第1马达ECU104的右侧(图6的左侧)配置有三个连接器220b、220c、220d。同样，在第2马达ECU106上设有多个连接器222a、222b、222c、222d。
如图6等所示，在各连接器220a～220d、222a～222d上连接有线束230a、230b、230c、230d、232b、232c的连接器234a、234b、234c、234d、236b、236c、236d(与连接器222a对应的线束和连接器、以及连接器236d的线束省略图示。)。
[A-2-3.托架146]
本实施方式的托架146(支承部件)由导电性部件构成。如图5～图7所示，托架146具有板状部250、两处上侧ECU固定部252a、252b、一处下侧ECU固定部254、两处上侧框架固定部256a、256b、一处下侧框架固定部258、六处夹持件固定部260a、260b、260c、260d、260e、260f。上侧ECU固定部252a、252b和下侧ECU固定部254形成于板状部250。换言之，上侧ECU固定部252a、252b和下侧ECU固定部254构成板状部250的一部分。
板状部250为大致板状且中空状的部分，作为主要表面具有第1表面280(图5)和第1表面280相反侧的第2表面282(图7)。在此所谓的“中空状”的意思是指内部被挖通的形状。由图2明确可知，第1表面280为座椅160侧。
如图5～图7所示，在形成于板状部250的上侧ECU固定部252a、252b，形成有用于安装第1马达ECU104的第1螺栓孔270a(第1安装孔)、和用于安装第2马达ECU106的第2螺栓孔272a(第2安装孔)。在形成于板状部250的下侧ECU固定部254形成有用于安装第1马达ECU104的两个第1螺栓孔270b(第1安装孔)、和用于安装第2马达ECU106的两个第2螺栓孔272b(第2安装孔)。
螺栓204a、204b和螺母206a、206b经由第1螺栓孔270a、270b而结合，据此，第1马达ECU104被固定于板状部250的第1表面280。另外，螺栓214a、214b和螺母216a、216b经由第2螺栓孔272a、272b而结合，据此，第2马达ECU106被固定于板状部250的第2表面282。因此，托架146成为被第1马达ECU104和第2马达ECU106夹持的状态。
如图5等所示，两个第1螺栓孔270a、270b被配置于互为对角的位置。同样，如图7等所示，两个第2螺栓孔272a、272b被配置于互为对角的位置。为防止错误组装，第1螺栓孔270a、270b的位置关系和第2螺栓孔272a、272b的位置关系不同。其结果，第1螺栓孔270a、270b之间的间距(距离)与第2螺栓孔272a、272b之间的间距(距离)不同。
上侧框架固定部256a、256b为用于将托架146固定于前侧蓄电池框架132的部位，形成有上侧框架固定孔310a、310b。螺栓312a、312b和螺母314a、314b经由上侧框架固定孔310a、310b而结合，据此，上侧框架固定部256a、256b被固定于前侧蓄电池框架132。据此，第1马达ECU104和第2马达ECU106经由托架146、前侧蓄电池框架132、下侧蓄电池框架134等而被接地于车身(未图示)。
下侧框架固定部258为用于将托架146固定于下侧蓄电池框架134的托架固定部150(图2和图3)的部位，形成有下侧框架固定孔316。螺栓320和螺母322经由下侧框架固定孔316而结合，据此，下侧框架固定部258被固定于下侧蓄电池框架134的托架固定部150。
在夹持件固定部260a～260f形成有夹持件插入孔，夹住连接器234a、线束230a、230b、230c、230d、232b、232c的夹持件340a、340b、340c、340d、340e、340f被插入该夹持件插入孔中来进行固定。如图6所示，在马达ECU104、106的左侧(图6的右侧)连接的线束230a、232b、232c在马达ECU104、106的下方被夹持件340f固定，向马达ECU104、106的右侧(图6的左侧)延伸。据此，线束230a、232b、232c以成为向下方凸出的形状(换言之U字形)的方式弯曲。据此，即使在线束230a、232b、232c上产生结露的情况下，水滴也不会渗入马达ECU104、106。
<A-3.本实施方式的效果>
根据本实施方式，1MOT ECU104(第1计算机)和2MOT ECU106(第2计算机)双方被固定于一个托架146(支承部件)(图2、图5等)。因此，与将1MOT ECU104和2MOT ECU106分别固定于不同的托架146的情况相比，能够削减零部件数量和节省空间。
另外，在座椅160在车辆10的前后方向上倾斜且蓄电池60(蓄电装置)为大致长方体形状(至少座椅160侧的表面为大致垂直)的情况下，能够在座椅160与蓄电池60之间产生空间(参照图2)。根据本实施方式，被固定于托架146的1MOT ECU104和2MOT ECU106在车辆10的前后方向上被配置于座椅160与蓄电池60之间(图2)。因此，通过将1MOT ECU104和2MOTECU106配置于座椅160与蓄电池60之间的空间，也能够节省空间。
并且，在被固定于托架146的1MOT ECU104和2MOT ECU106被配置于座椅160与蓄电池60之间的状态下，例如在从车辆10的后方对蓄电池单元84(蓄电单元)施加了大的外力的情况下，1MOT ECU104和2MOT ECU106比其他零部件(降压转换器64(电力转换装置)等)先被压坏。因此，易于实现保护其他零部件。
在本实施方式中，蓄电池单元84(蓄电单元)具有对蓄电池60(蓄电装置)的输出电力进行转换的降压转换器64(电力转换装置)(图1～图3)。降压转换器64被配置于蓄电池60的上侧(图2和图3)。据此，例如在从车辆10的后方对降压转换器64施加了大的外力的情况下，能够使降压转换器64向上方移动，据此，易于保护降压转换器64。
在本实施方式中，1MOT ECU104(第1计算机)和2MOT ECU106(第2计算机)被接地于导电性的托架146(图5等)。托架146被直接或间接地接地于车身(图3)。据此，能够使1MOTECU104和2MOT ECU106通过共用的托架146接地。因此，能够简化用于接地的结构。另外，通过使接地为共用，从1MOT ECU104向第1行驶马达34的信号与从2MOT ECU106向第2行驶马达52a、52b的信号之间不容易产生基准电势的偏差。因此，能够抑制由于基准电势的偏差引起的第1行驶马达34与第2行驶马达52a、52b的动作差。
在本实施方式中，托架146(支承部件)为中空状(图5)。据此，能够使托架146轻量化。
在本实施方式中，1MOT ECU104(第1计算机)和2MOT ECU106(第2计算机)为长方体形状(图5等)。托架146(支承部件)具有板状部250，该板状部250具有第1表面280和第2表面282(图5等)。在板状部250的第1表面280形成有用于安装1MOT ECU104的两个第1螺栓孔270a、270b(第1安装孔)(图5)。在板状部250的第2表面282形成有用于安装2MOT ECU106的两个第2螺栓孔272a、272b(第2安装孔)(图7)。第1螺栓孔270a、270b被配置在互为对角的位置，第2螺栓孔272a、272b被配置在互为对角的位置。
据此，1MOT ECU104和2MOT ECU106分别在两个位置被固定，因此，能够使第1螺栓孔270a、270b和第2螺栓孔272a、272b的数量比较少。因此，通过减少形成于托架146的第1螺栓孔270a、270b和第2螺栓孔272a、272b的数量，能够提高托架146的刚性。
在本实施方式中，托架146(支承部件)的板状部250、1MOT ECU104(第1计算机)和2MOT ECU106(第2计算机)分别以下部比上部靠车辆10的前侧的方式倾斜(图2)。据此，能够在座椅160以越靠上方则越位于车辆10的后方的方式倾斜的情况下，将托架146的板状部250、1MOT ECU104和2MOT ECU106分别以沿着座椅160的方式配置。因此，能够使板状部250、1MOT ECU104和2MOT ECU106分别靠近座椅160配置。由此，能够减小为了配置蓄电池单元84(蓄电单元)所需要的空间，其结果，能够扩大车厢或货舱170。
根据本实施方式，1MOT ECU104(第1计算机)控制单一的第1行驶马达34，另一方面，2MOT ECU106(第2计算机)控制多个第2行驶马达52a、52b(图1)。因此，2MOT ECU106的线束230a、230b、230c、230d、232b、232c容易增加。除此之外，在板状部250的第1表面280比第2表面282靠座椅160侧的状态、且1MOT ECU104被固定于第1表面280、2MOT ECU106被固定于第2表面282的状态下，托架146被配置于座椅160与蓄电池60之间。其结果，1MOT ECU104被配置于上方且蓄电池单元84的外侧，2MOT ECU106被配置于下方且蓄电池单元84的内侧。因此，易于使控制多个第2行驶马达52a、52b的2MOT ECU106靠近蓄电池单元84的其他零部件(蓄电池60、降压转换器64等)。因此，能够缩短1MOT ECU104和2MOT ECU106各自的线束230a、230b、230c、230d、232b、232c的合计长度。
B.变型例
此外，本发明并不局限于上述实施方式，基于本说明书的记载内容，本发明当然还可以采用各种结构。例如，可以采用以下结构。
<B-1.适用对象>
在上述实施方式中，车辆10是作为驱动源具有发动机32和行驶马达34、52a、52b的混合动力车辆(图1)。然而，例如若着眼于使用对1MOT ECU104和2MOT ECU106进行固定的托架146，则不局限于此。车辆10也可以是作为驱动源仅具有至少两个行驶马达的狭义上的纯电动汽车(battery vehicle)、燃料电池车辆等。
在上述实施方式中，将蓄电池单元84适用于车辆10(图2)。然而，例如若着眼于使用对1MOT ECU104和2MOT ECU106进行固定的托架146，则不局限于此。例如也能够将蓄电池单元84用于船舶和航空器等移动物体(或交通工具)。或者，也可以将蓄电池单元84适用于机器人、制造装置或家电产品。
<B-2.蓄电池单元84>
[B-2-1.蓄电池单元84整体]
在上述实施方式中，将降压转换器64(电力转换装置)配置于蓄电池60的上侧(图2)。然而，例如若着眼于使用对1MOT ECU104和2MOT ECU106进行固定的托架146，则不局限于此。例如，也可以将降压转换器64配置于蓄电池60的左侧或右侧。
在上述实施方式中，蓄电池单元84包括高电压蓄电池60、降压转换器64、1MOTECU104、2MOT ECU106和BAT ECU108(图2等)。然而，例如若着眼于使用对1MOT ECU104和2MOT ECU106进行固定的托架146，则不局限于此。例如也可使蓄电池单元84不包括降压转换器64。或者，也可使蓄电池单元84包括PCU62a～62c的一部分。
在上述实施方式中，将蓄电池单元84配置于座椅160的后方(图2)。然而，例如若着眼于使用对1MOT ECU104和2MOT ECU106进行固定的托架146，则不局限于此。例如，也可将蓄电池单元84配置于车辆10的前侧(例如相当于发动机舱的位置)。
[B-2-2.托架146]
在上述实施方式中，经由用于固定1MOT ECU104和2MOT ECU106的托架146进行了1MOTECU104和2MOT ECU106的接地。然而，也可经由托架146以外的部件进行1MOT ECU104和2MOTECU106的接地。
在上述实施方式中，使托架146为中空状(更具体而言为框状)(图5)。然而，例如若着眼于将1MOT ECU104和2MOT ECU106固定于托架146的观点，则不局限于此。例如，也可不使托架146为中空状。
在上述实施方式中，将托架146上的第1螺栓孔270a、270b(第1安装孔)配置于互为对角的位置，将第2螺栓孔272a、272b(第2安装孔)配置于互为对角的位置(图5和图7)。然而，例如若着眼于将1MOT ECU104和2MOT ECU106固定于托架146的观点，则也可以使用其他配置方式。
在上述实施方式中，托架146的板状部250、1MOT ECU104和2MOT ECU106分别以下部比上部靠车辆10的前侧的方式倾斜(图2)。然而，例如若着眼于将1MOT ECU104和2MOTECU106固定于托架146的观点，则不局限于此。例如，也可以将板状部250、1MOT ECU104和2MOT ECU106分别垂直配置。
[B-2-3.其他]
在上述实施方式中，将1MOT ECU104和2MOT ECU106固定于托架146(图2等)。然而，若从将ECU分别固定于托架146的第1表面280和第2表面282的观点来看，则不局限于此。例如，也可将1MOT ECU104或2MOT ECU106固定于第1表面280，将BAT ECU108固定于第2表面282。在该情况下，也可以使搭载于车辆10的行驶马达仅为一个。

Claims (6)

1.一种电动车辆(10)，其具有：
第1行驶马达(34)；
第2行驶马达(52a、52b)；和
蓄电单元(84)，其向所述第1行驶马达(34)和所述第2行驶马达(52a、52b)供给电力，
其特征在于，
所述蓄电单元(84)包括：
蓄电装置(60)；
第1计算机(104)，其控制所述第1行驶马达(34)；
第2计算机(106)，其控制所述第2行驶马达(52a、52b)；和
支承部件，其具有第1表面(280)和所述第1表面(280)相反侧的第2表面(282)，
所述蓄电单元(84)被配置于所述电动车辆(10)的座椅(160)的后方，
在所述第1计算机(104)被固定于所述支承部件的所述第1表面(280)，所述第2计算机(106)被固定于所述第2表面(282)的状态下，所述支承部件在所述电动车辆(10)的前后方向上被配置于所述座椅(160)与所述蓄电装置(60)之间。
2.根据权利要求1所述的电动车辆(10)，其特征在于，
所述蓄电单元(84)具有对所述蓄电装置(60)的输出电力进行转换的电力转换装置(64)，
所述电力转换装置(64)被配置于所述蓄电装置(60)的上侧。
3.根据权利要求1或2所述的电动车辆(10)，其特征在于，
所述支承部件为导电性的托架(146)，
所述第1计算机(104)和所述第2计算机(106)被接地于所述托架(146)，
所述托架(146)被直接或间接地接地于车身。
4.根据权利要求1或2所述的电动车辆(10)，其特征在于，
所述支承部件为中空状。
5.根据权利要求1或2所述的电动车辆(10)，其特征在于，
所述第1计算机(104)和所述第2计算机(106)为长方体形状，
所述支承部件具有板状部(250)，该板状部(250)具有所述第1表面(280)和所述第2表面(282)，
在所述板状部(250)的所述第1表面(280)形成有用于安装所述第1计算机(104)的两个第1安装孔(270a、270b)，
在所述板状部(250)的所述第2表面(282)形成有用于安装所述第2计算机(106)的两个第2安装孔(272a、272b)，
所述第1安装孔(270a、270b)被配置于互为对角的位置，
所述第2安装孔(272a、272b)被配置于互为对角的位置。
6.根据权利要求1或2所述的电动车辆(10)，其特征在于，
所述第1计算机(104)和所述第2计算机(106)为长方体形状，
所述支承部件具有板状部(250)，该板状部(250)具有所述第1表面(280)和所述第2表面(282)，
所述支承部件的所述板状部(250)、所述第1计算机(104)和所述第2计算机(106)分别以下部比上部靠所述电动车辆(10)的前侧的方式倾斜。
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