WO2014192394A1 - 車両用駆動装置 - Google Patents
車両用駆動装置 Download PDFInfo
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- WO2014192394A1 WO2014192394A1 PCT/JP2014/058609 JP2014058609W WO2014192394A1 WO 2014192394 A1 WO2014192394 A1 WO 2014192394A1 JP 2014058609 W JP2014058609 W JP 2014058609W WO 2014192394 A1 WO2014192394 A1 WO 2014192394A1
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- electrical machine
- rotating electrical
- case portion
- case
- inverter
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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
- B60K6/22—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
- B60K6/40—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 assembly or relative disposition of components
- B60K6/405—Housings
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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
- B60K6/22—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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- 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
- B60K6/22—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
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- 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
- B60K6/22—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
- B60K6/40—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 assembly or relative disposition of components
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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
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- 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
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
- H05K7/14322—Housings specially adapted for power drive units or power converters wherein the control and power circuits of a power converter are arranged within the same casing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/61—Arrangements of controllers for electric machines, e.g. inverters
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
- Y10S903/904—Component specially adapted for hev
- Y10S903/906—Motor or generator
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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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- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
- Y10S903/904—Component specially adapted for hev
- Y10S903/909—Gearing
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
- Y10S903/951—Assembly or relative location of components
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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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- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
- Y10S903/952—Housing details
Definitions
- the present invention relates to a vehicle drive device including a rotating electrical machine and an inverter device that controls the rotating electrical machine.
- a rotating electrical machine provided in a driving device as a driving force source for wheels or a kinetic energy regeneration device usually requires an inverter device mainly composed of switching elements. Since the rotating electrical machine and the inverter device are electrically connected using a wiring member, they can be arranged at different positions from each other. However, considering the convenience on the vehicle, they are combined into one case. It is desirable to be integrated. From this point of view, there is a vehicle drive device in which an inverter device [inverters 41, 42] that controls a rotating electrical machine [generator 1, motor 2] is integrated with a case [drive device case 3] that houses the rotating electrical machine or the like. JP, 2004-343845, A (patent documents 1).
- the case includes a first case portion [front case 31] that houses one rotating electrical machine [generator 1], and the other rotating electrical machine [motor 2] and transmission (underdrive device U). And a second case portion [rear case 32] to be accommodated.
- the first case portion and the second case portion are joined to each other in the axial direction (the direction in which the rotation axis of the rotating electrical machine extends).
- a cover member [inverter case 40 and cover 46] is attached so that it may straddle the 1st case part and the 2nd case part, and the inverter device is stored in the space formed in the inside.
- the wiring member extending from the inverter device is inserted into a through hole provided in the outer peripheral wall of the first case portion and connected to the rotating electrical machine in the first case portion. It arrange
- a sealing member straddling the first case portion and the second case portion is necessary.
- the cover member only in the second case portion, it is possible to simplify the seal structure related to the cover member.
- the sealing part of the wiring member is required at two places between the wiring member and the cover member and between the wiring member and the first case part, a complicated sealing structure is required as a whole. .
- Patent Document 2 a wiring member introduced from the inverter device [PCU300] into the case [divided housing case 13 and divided housing case 23] A structure connected to [motor generator MG1] is also known.
- Patent Document 2 does not mention a seal structure.
- the characteristic configuration of the vehicle drive device is as follows.
- a rotating electrical machine that functions as a driving force source for wheels together with the internal combustion engine;
- a transmission that is arranged side by side in the axial direction, which is the direction in which the rotational axis of the rotating electrical machine extends, with respect to the rotating electrical machine;
- An inverter device for controlling the rotating electrical machine;
- an inverter accommodating chamber for accommodating the inverter device is formed,
- the rotating electrical machine is accommodated in the oil-tight space,
- the wiring member is provided through the second case portion so as to extend over the inverter accommodating chamber and the oil-tight space; In the point provided with the sealing member which seals between the said 2nd case part and the said wiring member.
- the “rotary electric machine” is a concept that includes both a motor (electric motor), a generator (generator), and a motor / generator that functions as both a motor and a generator as necessary.
- the cover member for forming the inverter accommodation chamber between the case and the case is accommodated only in the range occupied by the second case portion without straddling the first case portion and the second case portion. Therefore, in combination with the wiring member being provided through the second case portion, it leads to simplification of the seal structure for preventing liquid such as water and oil from entering the inverter accommodating chamber. That is, an appropriate sealing structure can be easily realized by simply sealing between the cover member and the second case portion and between the second case portion and the wiring member by a simple method.
- the rotating electrical machine is disposed in a fluid-tight oil-tight space formed between the first case portion and the second case portion, the seal between the wiring member and the case is connected to the second case portion. It can be only one place to penetrate. Therefore, both the seal structure of the inverter housing chamber and the seal of the wiring member can be simplified.
- the cover member can be accommodated only in the range occupied by the second case part, the physique of the entire apparatus can be reduced.
- the inverter device is arranged at a position further away from the internal combustion engine. Therefore, avoid the auxiliary equipment arranged in the vicinity of the internal combustion engine and place the inverter in a relatively generous space.
- a device can also be arranged. Therefore, the vehicle-mounted property of the entire vehicle drive device including the inverter device can be improved.
- the case further includes an intermediate wall disposed between the rotating electrical machine and the transmission in the axial direction, and the wiring member is formed on the intermediate wall in the oil-tight space.
- the through hole is formed at a position overlapping with the rotating electrical machine when viewed in the axial direction.
- overlapping in a certain direction means that when the virtual straight line parallel to the viewing direction is moved in each direction orthogonal to the virtual straight line, It means that a region that intersects both of the two members exists at least in part.
- the wiring member is provided so as to pass through the through hole formed in the intermediate wall.
- the length can be kept short.
- the wiring member can be arranged linearly along the axial direction, and the path length of the wiring member can be minimized.
- the wiring member can be introduced into the first case portion on the radially inner side than the radially outer end portion of the rotating electrical machine, expansion of the first case portion in the radial direction is suppressed. Therefore, it is easy to secure a space for arranging the catchers in the on-vehicle state. In addition, it is easy to ensure a tool clearance when the vehicle drive device and the internal combustion engine are fastened with bolts.
- the rotating electrical machine includes a stator including a stator core and a coil disposed on the stator core, and the coil includes two coil end portions that respectively protrude from the stator core on both sides in the axial direction. And it is suitable when the connection terminal with the said wiring member of the said coil is provided in the coil end part by the side of the said transmission apparatus in the said axial direction of the two said coil end parts.
- the wiring member extending from the internal space of the second case portion disposed on the transmission side with respect to the rotating electrical machine can be connected to the connection terminal of the coil with a short wiring length.
- FIG. 1 Schematic diagram showing the schematic configuration of a vehicle drive device A view of the vehicle drive device in the axial direction View of the vehicle drive device as seen in the vertical direction Exploded perspective view of vehicle drive device Schematic diagram showing the positional relationship of each component viewed in the horizontal direction Partial enlarged view of FIG.
- the vehicle drive device 1 is a vehicle drive device (hybrid vehicle drive) for driving a vehicle (hybrid vehicle) provided with both the internal combustion engine E and the rotating electrical machine MG as a driving force source for the wheels W. Device).
- the vehicle drive device 1 is configured as a drive device for a 1-motor parallel type hybrid vehicle.
- terms relating to the direction and position of each member are concepts including a state having a difference due to an error that can be allowed in manufacturing.
- the direction about each member represents the direction in the state in which they were assembled
- the vehicle drive device 1 includes a plurality of (in this example) driving input coupled to the internal combustion engine E and a plurality of (in this example, two) wheels W.
- Two) output shafts O a rotating electrical machine MG, and a transmission TM.
- Drive coupling means a state where two rotating elements are coupled so as to be able to transmit a driving force (synonymous with torque). This concept includes a state in which the two rotating elements are connected so as to rotate integrally, and a state in which the driving force is transmitted through one or more transmission members.
- the vehicle drive device 1 further includes an engagement device CL, a counter gear mechanism C, and a differential gear device DF.
- the engaging device CL, the rotating electrical machine MG, the transmission TM, the counter gear mechanism C, and the differential gear device DF are provided in a power transmission path that connects the input shaft I and the output shaft O. These are provided in the order described from the input shaft I side. These are housed in a case (drive device case) 2.
- the rotating electrical machine MG is disposed coaxially with the input shaft I.
- the transmission TM is arranged side by side in the direction of the rotating electrical machine MG, the input shaft I, and the rotational axis of the rotating electrical machine MG.
- the transmission apparatus TM is disposed coaxially with the input shaft I and the rotating electrical machine MG.
- the input shaft I, the rotating electrical machine MG, and the transmission TM are arranged in the order described from the internal combustion engine E side.
- the input shaft I or the like and the rotational axis are parallel to each other and are arranged on different axes.
- differential gear device DF is arranged on a separate axis with the input shaft I and the like and the counter gear mechanism C parallel to the rotation axis.
- Parallel means a parallel state or a state that can be regarded as substantially parallel (for example, a state that intersects at an angle of 5 ° or less).
- the rotation axis common to the input shaft I, the rotating electrical machine MG, and the transmission TM is referred to as “first axis X1”.
- the rotation axis of the counter gear mechanism C is referred to as “second axis X2”
- the rotation axis of the differential gear device DF is referred to as “third axis X3”.
- the first axial center X1, the second axial center X2, and the third axial center X3 are located at the apexes of a triangle (in this example, an obtuse triangle) when viewed in the axial direction L parallel to them. Are arranged to be.
- Such a multi-axis configuration (three-axis configuration in this example) is suitable as a configuration when the vehicle drive device 1 is mounted on an FF (Front-Engine-Front-Drive) vehicle, for example.
- the direction in the axial direction L toward the internal combustion engine E side (the right side in FIG. 1) when viewed from the rotating electrical machine MG is defined as the “first axial direction L1”. Further, a direction toward the transmission device TM side (left side in FIG. 1) when viewed from the rotating electrical machine MG is defined as “second axial direction L2”.
- an input shaft I as an input member is drivingly connected to an internal combustion engine E.
- the internal combustion engine E is a prime mover (such as a gasoline engine or a diesel engine) that is driven by combustion of fuel inside the engine to extract power.
- the internal combustion engine E functions as a driving force source for the wheels W together with the rotating electrical machine MG.
- the input shaft I is drivingly connected to the output shaft (crankshaft or the like) of the internal combustion engine E.
- the output shaft of the internal combustion engine E and the input shaft I may be drivingly connected via a damper or the like.
- the engaging device CL is provided in a power transmission path connecting the input shaft I and the rotating electrical machine MG.
- the engagement device CL selectively connects the input shaft I (internal combustion engine E) and the rotating electrical machine MG.
- the engagement device CL functions as an internal combustion engine separation engagement device that separates the internal combustion engine E from the wheel W.
- the engagement device CL is configured as a hydraulically driven friction engagement device.
- An electromagnetically driven friction engagement device, a meshing engagement device, or the like may be used.
- the rotating electrical machine MG functions as a driving force source for the wheels W together with the internal combustion engine E.
- the rotating electrical machine MG includes a stator St fixed to the case 2 and a rotor Ro that is rotatably supported on the radial inner side of the stator St.
- the stator St includes a stator core Sc and a coil Co disposed on the stator core Sc (see FIG. 5).
- the coil Co includes two coil end portions Ce that protrude from the stator core Sc to both sides in the axial direction L, respectively.
- the rotating electrical machine MG can perform a function as a motor (electric motor) that generates power upon receiving power supply and a function as a generator (generator) that generates power upon receiving power supply. .
- the rotating electrical machine MG is electrically connected to a power storage device B (battery, capacitor, or the like) as a DC power source via an inverter device 3.
- the rotating electrical machine MG receives power from the power storage device B and runs in power, or supplies power stored in the power storage device B with power generated by the torque of the internal combustion engine E or the inertial force of the vehicle.
- the rotor Ro of the rotating electrical machine MG is drivingly connected so as to rotate integrally with the intermediate shaft M.
- the intermediate shaft M is also an input shaft (transmission input shaft) of the transmission apparatus TM.
- the transmission TM is an automatic stepped transmission that includes a plurality of gear mechanisms and a plurality of gear shifting engagement devices and that can switch a plurality of gear speeds having different gear ratios.
- an automatic continuously variable transmission capable of changing the gear ratio steplessly, a manual stepped transmission equipped with a plurality of gears with different gear ratios that can be manually switched by a driver, a fixed gear shift A constant transmission device or the like having a single gear ratio may be used.
- the transmission TM shifts the rotation and torque input to the intermediate shaft M in accordance with the gear ratio at each time and converts the torque, and a transmission output gear that is an output member (transmission output member) of the transmission TM. Communicate to Go.
- the transmission output gear Go is drivingly connected to the counter gear mechanism C.
- the counter gear mechanism C includes a first gear G1 and a second gear G2 that are respectively formed on a common shaft member.
- the first gear G1 meshes with the transmission output gear Go of the transmission apparatus TM.
- the second gear G2 meshes with the differential input gear Gi of the differential gear device DF.
- the second gear G2 is disposed on the first axial direction L1 side (internal combustion engine E side) with respect to the first gear G1.
- the second gear G2 is formed with a smaller diameter (less teeth) than the first gear G1.
- the differential gear device (output differential gear device) DF is drivingly connected to the wheel W via an output shaft O as an output member.
- the differential gear device DF includes a differential input gear Gi and a differential main body portion (a main body portion of the differential gear device DF) connected to the differential input gear Gi.
- the differential main body portion includes a plurality of bevel gears that mesh with each other and a differential case that accommodates them, and plays a central role in the differential mechanism.
- the differential gear unit DF transmits rotation and torque input from the rotating electrical machine MG side to the differential input gear Gi via the transmission unit TM and the counter gear mechanism C, and outputs the left and right output shafts O at the differential main body. (That is, distributed to the left and right wheels W) and transmitted. Accordingly, the vehicle drive device 1 can cause the vehicle to travel by transmitting the torque of at least one of the internal combustion engine E and the rotating electrical machine MG to the wheels W.
- the case 2 that houses the rotating electrical machine MG, the transmission TM, and the like includes a first case portion 21 and a second case portion 23 that are divided in the axial direction L.
- the first case portion 21 mainly forms a housing space for the rotating electrical machine MG and the engaging device CL.
- the second case portion 23 mainly forms an accommodation space for the transmission TM and the counter gear mechanism C.
- a housing space for the differential gear device DF is formed across the first case portion 21 and the second case portion 23 (see also FIG. 4).
- the second case portion 23 is joined to the first case portion 21 from the side opposite to the internal combustion engine E side in the axial direction L (on the second axial direction L2 side).
- a liquid gasket (an example of a sealing means) such as FIPG (Formed In Place Gaskets) is disposed on the mating surface of the first case portion 21 and the second case portion 23.
- the case 2 further includes an intermediate wall 22 disposed between the rotating electrical machine MG and the transmission apparatus TM in the axial direction L.
- the intermediate wall 22 is formed as a wall portion extending in the radial direction and the circumferential direction.
- the intermediate wall 22 is provided at the end portion of the first case portion 21 on the transmission device TM side (second axial direction L2 side).
- the intermediate wall 22 is formed with a plurality of through holes (through holes in which the intermediate shaft M is disposed and through holes 22a in which connection cables 48 described later are disposed) penetrating the intermediate wall 22 in the axial direction L. Yes.
- the housing space for the rotating electrical machine MG and the engaging device CL, the housing space for the transmission TM and the counter gear mechanism C, and the housing space for the differential gear device DF are in communication with each other.
- These common spaces communicating with each other are formed in an oil-tight state (a state in which oil is sealed inside). That is, in the state where the first case portion 21 and the second case portion 23 are joined, the above-described spaces are combined to form a common oil-tight communication space Q.
- the oil-tight communication space Q accommodates main drive elements of the vehicle drive device 1 such as the rotating electrical machine MG, the engagement device CL, the transmission device TM, the counter gear mechanism C, and the differential gear device DF. It constitutes a “drive element storage chamber”.
- the oil-tight communication space Q corresponds to the “communication oil-tight space” in the present invention.
- the configuration in the case where the vehicle drive device 1 includes a damper is illustrated, and the third case portion 29 that forms the accommodation space of the damper has an internal combustion engine E side ( It is joined from the first axial direction L1 side).
- the third case portion 29, the first case portion 21, and the second case portion 23 are arranged such that the separation length along the axial direction L from the internal combustion engine E increases in the order described. .
- the inverter device 3 that controls the rotating electrical machine MG is integrated with the case 2.
- the inverter device 3 is directly fixed to and integrated with the case 2 without using an inverter case or the like that houses the inverter device 3. That is, in the vehicle drive device 1 according to the present embodiment, an inverter caseless structure is employed.
- an inverter caseless structure it is not necessary to provide a dedicated inverter case, and it is not necessary to provide a fixing seat for fixing the inverter case to the case 2. Therefore, cost reduction can be achieved by reducing the number of parts.
- the entire apparatus can be reduced in size.
- the inverter device 3 is fixed to the second case portion 23 that accommodates the transmission device TM and the like, not the first case portion 21 that accommodates the rotating electrical machine MG and the like.
- a large-diameter and thin rotary electric machine MG is used in order to keep the length of the entire apparatus in the axial direction L short (see FIG. 5).
- the transmission TM has a smaller diameter than the rotating electrical machine MG, and an annular space caused by the difference between the outer diameter of the rotating electrical machine MG and the outer diameter of the transmission TM is formed on the radially outer side of the transmission TM. Is formed. Therefore, by arranging the inverter device 3 by effectively utilizing at least a part of the annular space, the entire vehicle drive device 1 including the integrated inverter device 3 is downsized.
- the inverter device 3 is fixed only to the second case portion 23 disposed on the opposite side to the internal combustion engine E with respect to the first case portion 21.
- the first cover member 51 for forming the inverter accommodating chamber P (first accommodating portion P1) between itself and the case 2 is accommodated only in the range in the axial direction L occupied by the second case portion 23.
- This is advantageous. That is, for example, as compared with the case where the first cover member 51 is disposed across the first case portion 21 and the second case portion 23, the physique of the entire apparatus can be reduced.
- inverter device 3 by arranging the inverter device 3 away from the internal combustion engine E by a distance equal to or longer than the axial length of the first case portion 21, a space having a relatively large space while avoiding auxiliary equipment arranged in the vicinity of the internal combustion engine E. Inverter device 3 can be arranged in. For this reason, even if the inverter device 3 slightly protrudes radially outward (upward in this example) from the transmission TM and the rotating electrical machine MG, there is almost no inconvenience on the vehicle. Further, the influence of the heat of the internal combustion engine E on the inverter device 3 can be suppressed.
- the second case portion 23 includes an outer peripheral wall 24 formed in a deformed cylindrical shape along the outer shapes of the transmission device TM, the counter gear mechanism C, and the differential gear device DF. It has a pair of protruding walls 25 arranged to face each other so as to protrude outward from the outer peripheral wall 24. A space defined by the outer peripheral wall 24 and the pair of protruding walls 25 is an inverter accommodation chamber P.
- the inverter accommodation chamber P is formed along the outer peripheral wall 24 of the case 2 (second case portion 23).
- the inverter device 3 is accommodated in the inverter accommodation chamber P.
- the inverter device 3 is integrally fixed to the case 2 (second case portion 23) in the inverter accommodating chamber P.
- the inverter device 3 includes a conversion unit 31 and a capacitor 36.
- the conversion unit (DC / AC conversion unit) 31 converts DC power and AC power.
- the conversion unit 31 includes a flat base plate 32 and a plurality of switching elements 33 fixed on the base plate 32.
- the base plate 32 is made of a material having high thermal conductivity (for example, a metal material such as copper or aluminum), and also functions as a heat sink.
- As the switching element 33 for example, an IGBT (Insulated Gate Bipolar Transistor) or a MOSFET (Metal Oxide Semiconductor Semiconductor Field Field Effect Transistor) is used.
- the conversion unit 31 includes a rectifying element made of, for example, a diode, and the rectifying element is connected in parallel to the switching element 33.
- a control board 34 that controls the switching of the switching element 33 is fixed to the base plate 32.
- Capacitor 36 smoothes (suppresses fluctuations) DC power transferred between power storage device B and conversion unit 31.
- the capacitor 36 for example, a film capacitor made of a synthetic resin, a ceramic capacitor made of an inorganic material, or the like can be used.
- Such a capacitor 36 has a relatively large degree of design freedom regarding its size and shape, and can be adjusted according to the size and shape of the space in which it is arranged.
- the inverter device 3 may further include various components for configuring the booster circuit.
- the case 2 has a crossing wall portion 26 that connects the pair of protruding walls 25.
- the case 2 has a plate-shaped isolation wall 27 (see FIG. 2) extending from the outer peripheral wall 24 toward the crossing wall portion 26.
- the inverter accommodation chamber P is partitioned into a first accommodation portion P1 and a second accommodation portion P2 by a separation wall 27.
- the conversion unit 31 is accommodated in the first accommodating part P1, and the capacitor 36 is accommodated in the second accommodating part P2.
- the first storage portion P1 and the second storage portion P2 open in different directions. Specifically, the first storage portion P1 is open upward and the second storage portion P2 is open sideways.
- the conversion unit 31 can be inserted into the first housing portion P ⁇ b> 1 from above along the vertical direction and fixed to the second case portion 23.
- condenser 36 can be inserted in the 2nd accommodating part P2 from the side along a horizontal direction, and can be fixed to the 2nd case part 23.
- the conversion unit 31 and the capacitor 36 can be fixed to the second case portion 23 by processes independent of each other. In this state, the first cover member 51 and the second cover member 52 are joined to the second case portion 23.
- the 1st cover member 51 covers the 1st accommodating part P1 which comprises the inverter accommodating chamber P
- the 2nd cover member 52 covers the 2nd accommodating part P2.
- the first cover member 51 and the second cover member 52 each correspond to a “cover member” in the present invention.
- a wiring member 40 is provided to electrically connect the inverter device 3 and the rotating electrical machine MG (coil Co of the stator St).
- the wiring member 40 is provided through the second case portion 23 so as to extend across the inverter accommodation chamber P (first accommodation portion P1) and the oil-tight communication space Q.
- the wiring member 40 is arrange
- the wiring member 40 connected to the inverter device 3 in the inverter accommodating chamber P passes through the second case portion 23 and is guided to the oil-tight communication space Q, and the rotating electrical machine MG in the oil-tight communication space Q. It is connected to the.
- the wiring member 40 includes a bus bar 41, a terminal unit 42, and a connection cable 48.
- the bus bar 41 electrically connects the inverter device 3 (the conversion unit 31 in this example) and the terminal unit 42.
- the bus bar 41 is made of a metal strip-shaped conductor plate.
- the rotating electrical machine MG is configured to be driven by three-phase AC power, and a bus bar 41 for each phase is provided so as to correspond to the three phases of the coil Co.
- the bus bar 41 is generally arranged to extend along the horizontal direction.
- the terminal unit 42 electrically connects the bus bar 41 and the connection cable 48.
- the terminal unit 42 is a unit in which a first relay terminal 43 and a holding base 44 that holds the first relay terminal 43 are integrated.
- the bus bar 41 is fixed to the first relay terminal 43 by a fastening member such as a bolt.
- the first relay terminal 43 for each phase is provided so as to correspond to the three-phase bus bar 41.
- a total of three first relay terminals 43 for each phase are collectively held by one holding stand 44.
- the first relay terminal 43 is made of a metal rod-shaped conductor.
- the first relay terminal 43 is generally arranged so as to extend along the vertical direction.
- the holding table 44 is made of an insulating material such as resin.
- the holding table 44 has a main body 45, a leg 46 and a lid 47.
- the main body 45 is a part that plays a core role for holding the first relay terminal 43.
- the main body 45 is formed in a block shape and has a plurality of (three corresponding to the number of first relay terminals 43) through holes 45a extending in the vertical direction.
- the inner diameter of the through hole 45 a corresponds to the outer diameter of the first relay terminal 43.
- the first relay terminal 43 is held by the holding base 44 by inserting the lower end portion of the first relay terminal 43 into the through hole 45a.
- a leg portion 46 extending in the vertical direction is provided above the main body portion 45 of the holding base 44.
- the leg portion 46 is formed in a thin plate shape that is thinner than the length in the vertical direction.
- the leg part 46 is arrange
- the main body portion 45 is formed in a substantially rectangular shape when viewed in the vertical direction (not shown), and the four leg portions 46 respectively correspond to the four sides of the main body portion 45 correspondingly. Has been placed.
- the main body portion 45 and the four leg portions 46 are integrally formed.
- the holding base 44 is formed in a tank shape opened upward by the main body 45 and the four legs 46.
- a hook-like locking piece 46a extending outward in the horizontal direction is provided at the upper end of each leg 46.
- the leg portion 46 and the locking piece 46a are integrally formed.
- the outer peripheral wall 24 of the second case portion 23 is formed with a through hole 24a that allows the inverter storage chamber P (first storage portion P1) and the oil-tight communication space Q to communicate with each other.
- the wiring unit 40 is provided through the second case portion 23 by arranging the terminal unit 42 in the through hole 24a.
- a receiving portion 24b having an L-shaped cross section toward the center side of the through hole 24a is provided.
- the holding base 44 is stably fixed by engaging the locking piece 46a with the receiving portion 24b.
- the second relay terminal 49 provided integrally with the connection cable 48 is connected to the lower end of the first relay terminal 43.
- a second relay terminal 49 for each phase is provided so as to correspond to the three-phase first relay terminal 43.
- the second relay terminal 49 is made of a metal strip-shaped conductor plate.
- a lid 47 is attached to the main body 45 from below so as to cover the connection portion between the first relay terminal 43 and the second relay terminal 49.
- connection cable 48 electrically connects the terminal unit 42 and the rotating electrical machine MG (coil Co of the stator St).
- the connection cable 48 is composed of a metal conductor wire and an insulating covering material covering the periphery thereof.
- the integrated second relay terminal 49 and connection cable 48 are generally arranged so as to extend linearly along the axial direction L.
- the connection cable 48 is disposed on the outer side in the radial direction of the transmission apparatus TM and at a position overlapping the stator St of the rotating electrical machine MG when viewed in the axial direction L.
- the connection cable 48 is arranged at a position overlapping only the stator St without overlapping with the rotor Ro when viewed in the axial direction L on the outer side in the radial direction of the rotor Ro.
- the intermediate wall 22 exists between the transmission TM in the axial direction L and the rotating electrical machine MG. However, the intermediate wall 22 overlaps the connection cable 48 and the stator St when viewed in the axial direction L. Is formed with a through hole 22a penetrating in the axial direction L. And the connection cable 48 which comprises the wiring member 40 is provided through the through-hole 22a formed in the intermediate wall 22 in the oil-tight communication space Q.
- connection cable 48 is connected to a connection terminal 71 provided in the coil Co.
- the connection cable 48 for each phase is connected to the connection terminal 71 of the coil Co for each phase.
- Such a connection terminal 71 is provided in the coil end part Ce which protrudes in the axial direction L from the stator core Sc in the coil Co.
- the connection terminal 71 is provided on the coil end portion Ce on the transmission device TM side (second shaft direction L2 side) in the axial direction L. Yes.
- connection cable 48 extending in the axial direction L from the internal space of the second case portion 23 disposed on the second axial direction L2 side with respect to the rotating electrical machine MG toward the first axial direction L1 side can be shortened at the shortest distance. It can be connected to the connection terminal 71.
- the inverter housing chamber P formed between the second case portion 23 and the first cover member 51 and the second cover member 52 that are joined to each other has an electronic component such as the switching element 33 disposed therein. It is necessary to prevent liquids such as oil and oil from entering.
- the vehicle drive device 1 includes the first seal member 61 and the second seal member for sealing between the second case portion 23 and the wiring member 40 penetrating the second case portion 23. 62.
- the first seal member 61 and the second seal member 62 each correspond to a “seal member” in the present invention.
- the vehicle drive device 1 includes a third seal member 63 for sealing between the second case portion 23 and the first cover member 51 and the second cover member 52 joined to the second case portion 23.
- a fourth seal member 64 see FIG. 2).
- the first seal member 61 is disposed between the first relay terminal 43 and the through hole 45 a of the main body 45 of the holding base 44.
- a first seal member 61 for each phase is provided so as to correspond to each of the three-phase first relay terminals 43.
- an O-ring, an X-ring, or the like made of a rubber material such as nitrile rubber, styrene rubber, silicone rubber, or fluorine rubber can be used.
- a liquid gasket such as FIPG can also be used. This effectively suppresses the oil in the oil-tight communication space Q from entering the inverter accommodating chamber P through a slight gap between the first relay terminal 43 and the holding base 44 (main body portion 45). be able to.
- the second seal member 62 is disposed between the outer peripheral wall 24 of the second case portion 23 and the locking piece 46 a of the leg portion 46 of the holding base 44.
- one second seal member 62 is provided so as to correspond to one holding base 44 that collectively holds the three-phase first relay terminals 43.
- an O-ring, an X-ring, or the like made of a rubber material such as nitrile rubber, styrene rubber, silicone rubber, or fluorine rubber can be used.
- a liquid gasket such as FIPG can also be used. This effectively suppresses the oil in the oil-tight communication space Q from entering the inverter housing chamber P through a slight gap between the outer peripheral wall 24 and the holding base 44 (leg portion 46). it can.
- the third seal member 63 is disposed on the mating surface between the protruding wall 25 of the second case portion 23 and the first cover member 51.
- the first cover member 51 is joined only to the second case portion 23 without straddling the first case portion 21 and the second case portion 23.
- a liquid gasket such as FIPG can be used without using a cork gasket, foam rubber, grommet, or the like that can absorb such a step.
- an O-ring or an X-ring made of a rubber material may be used, and a cork gasket, foamed rubber, grommet, or the like may be used.
- the fourth seal member 64 is disposed on the mating surface of the outer peripheral wall 24 and the transition wall portion 26 of the second case portion 23 and the second cover member 52.
- the second cover member 52 is joined only to the second case portion 23.
- a liquid gasket such as FIPG can be used.
- an O-ring or an X-ring made of a rubber material may be used, and a cork gasket, foamed rubber, grommet, or the like may be used. Thereby, it is possible to effectively prevent moisture from entering the inverter accommodating chamber P from the outside through a slight gap between the second case portion 23 and the second cover member 52.
- the wiring member 40 itself (in the broad sense, the second case portion 23 and the wiring member 40 can be obtained by a simple method using the first seal member 61 formed of an O-ring, an X-ring, or the like. A small gap existing between the two can be properly sealed.
- a small gap between the second case portion 23 and the wiring member 40 can be appropriately sealed by a simple method using the second seal member 62 made of an O-ring, an X-ring, or the like.
- the third seal member 63 and the fourth seal member 64 made of a liquid gasket are used for a slight gap without a step between the second case portion 23 and the first cover member 51 and the second cover member 52. Can be properly sealed. Therefore, the seal structure of the inverter accommodating chamber P can be simplified.
- the through hole 22a is formed at a position overlapping the rotating electrical machine MG (specifically, the stator St) when viewed in the axial direction L in the intermediate wall 22
- the embodiment of the present invention is not limited to this.
- the through hole 22a may be formed at a position overlapping the rotor Ro without overlapping the stator St when viewed in the axial direction L.
- the through hole 22a may be formed at a position that is radially outside of the rotating electrical machine MG and does not overlap with the rotating electrical machine MG when viewed in the axial direction L.
- the configuration in which the intermediate wall 22 is provided at the end portion of the first case portion 21 on the transmission device TM side (the shaft second direction L2 side) has been described as an example.
- the embodiment of the present invention is not limited to this.
- the intermediate wall 22 may be provided at the end of the second case portion 23 on the rotating electrical machine MG side (the first axial direction L1 side).
- the intermediate wall 22 may be provided at an arbitrary position in the axial direction L in the first case portion 21 or the second case portion 23.
- connection terminal 71 of the coil Co is provided in the coil end portion Ce on the transmission device TM side among the two coil end portions Ce on both sides in the axial direction L. explained.
- the embodiment of the present invention is not limited to this.
- the connection terminal 71 may be provided in the coil end portion Ce on the internal combustion engine E side.
- the wiring member 40 including the terminal unit 42 has been described with reference to a specific structure.
- the embodiment of the present invention is not limited to this.
- the wiring member 40 in particular, the terminal unit 42
- any specific structure can be employed.
- the first relay terminals 43 for each phase are collectively held by one holding base 44 is shown, but for example, the first relay terminals 43 for each phase correspond to each phase.
- the holding table 44 may be held individually.
- the terminal unit 42 for each phase is individually provided.
- a connection cable or the like may be used for connection between the inverter device 3 and the terminal unit 42.
- a bus bar or the like may be used for connection between the terminal unit 42 and the rotating electrical machine MG.
- the embodiment of the present invention is not limited to this.
- the wall portion corresponding to the second cover member 52 is formed integrally with the second case portion 23 and only the first cover member 51 is joined to the second case portion 23, the inverter accommodating chamber P is configured. good.
- the installation of the fourth seal member 64 can be omitted, which is advantageous from the viewpoint of the sealing performance of the inverter accommodating chamber P.
- it is necessary to sequentially insert the capacitor 36 and the conversion unit 31 from above along the vertical direction it is necessary to configure the isolation wall 27 so as to be removable or to omit the installation itself.
- the transmission TM is arranged coaxially with the rotating electrical machine MG” means that the rotational axis of the transmission input shaft and the rotational axis of the rotating electrical machine MG (rotor Ro) coincide with each other.
- the rotation axis of the output member may not match the rotation axis of the rotating electrical machine MG (rotor Ro).
- the present invention can be used for a drive device for a hybrid vehicle, for example.
Abstract
Description
内燃機関と共に車輪の駆動力源として機能する回転電機と、
前記回転電機に対して当該回転電機の回転軸心が延びる方向である軸方向に並べて配置される変速装置と、
前記回転電機を収容する第一ケース部と前記変速装置を収容する第二ケース部とを含むケースと、
前記回転電機を制御するインバータ装置と、
前記回転電機と前記インバータ装置とを接続する配線部材と、備え、
前記第一ケース部と前記第二ケース部とが連通した油密空間を形成し、前記第一ケース部の前記軸方向の前記内燃機関側とは反対側に前記第二ケース部が接合され、
前記第二ケース部と当該第二ケース部に接合されるカバー部材との間に、前記インバータ装置を収容するインバータ収容室が形成され、
前記油密空間に前記回転電機が収容され、
前記配線部材が、前記インバータ収容室と前記油密空間とに亘るように前記第二ケース部を貫通して設けられ、
前記第二ケース部と前記配線部材との間を密封するシール部材を備える点にある。
すなわち、第一ケース部21と第二ケース部23とが接合された状態で、上記の各空間が合わさって、共通の油密連通空間Qが形成されている。なお、この油密連通空間Qは、回転電機MG、係合装置CL、変速装置TM、カウンタギヤ機構C、及び差動歯車装置DF等、車両用駆動装置1の主要な駆動要素を収容する“駆動要素収容室”を構成している。
本実施形態では、油密連通空間Qが本発明における「連通した油密空間」に相当する。
最後に、本発明に係る車両用駆動装置の、その他の実施形態について説明する。なお、以下のそれぞれの実施形態で開示される構成は、矛盾が生じない限り、他の実施形態で開示される構成と組み合わせて適用することも可能である。
2 :ケース
3 :インバータ装置
21 :第一ケース部
22 :中間壁
22a :貫通孔
23 :第二ケース部
40 :配線部材
51 :第一カバー部材(カバー部材)
52 :第二カバー部材(カバー部材)
61 :第一シール部材(シール部材)
62 :第二シール部材(シール部材)
63 :第三シール部材
64 :第四シール部材
71 :接続端子
E :内燃機関
MG :回転電機
St :ステータ
Sc :ステータコア
Co :コイル
Ce :コイルエンド部
TM :変速装置
W :車輪
X1 :第一軸心(回転電機の回転軸心)
L :軸方向
P :インバータ収容室
Q :油密連通空間(連通した油密空間)
Claims (3)
- 内燃機関と共に車輪の駆動力源として機能する回転電機と、
前記回転電機に対して当該回転電機の回転軸心が延びる方向である軸方向に並べて配置される変速装置と、
前記回転電機を収容する第一ケース部と前記変速装置を収容する第二ケース部とを含むケースと、
前記回転電機を制御するインバータ装置と、
前記回転電機と前記インバータ装置とを接続する配線部材と、備え、
前記第一ケース部と前記第二ケース部とが連通した油密空間を形成し、前記第一ケース部の前記軸方向の前記内燃機関側とは反対側に前記第二ケース部が接合され、
前記第二ケース部と当該第二ケース部に接合されるカバー部材との間に、前記インバータ装置を収容するインバータ収容室が形成され、
前記油密空間に前記回転電機が収容され、
前記配線部材が、前記インバータ収容室と前記油密空間とに亘るように前記第二ケース部を貫通して設けられ、
前記第二ケース部と前記配線部材との間を密封するシール部材を備える車両用駆動装置。 - 前記ケースは、前記軸方向における前記回転電機と前記変速装置との間に配置される中間壁をさらに含み、
前記配線部材が、前記油密空間において、前記中間壁に形成された貫通孔を通って設けられ、
前記貫通孔が、前記軸方向に見て前記回転電機と重複する位置に形成されている請求項1に記載の車両用駆動装置。 - 前記回転電機は、ステータコアと当該ステータコアに配置されたコイルとを含むステータを有し、
前記コイルは、前記ステータコアから前記軸方向の両側にそれぞれ突出する2つのコイルエンド部を有し、
前記コイルの前記配線部材との接続端子が、2つの前記コイルエンド部のうちの前記軸方向で前記変速装置側のコイルエンド部に設けられている請求項1又は2に記載の車両用駆動装置。
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CN201480024875.3A CN105163969B (zh) | 2013-05-31 | 2014-03-26 | 车辆用驱动装置 |
US14/780,130 US9446657B2 (en) | 2013-05-31 | 2014-03-26 | Vehicle driving device |
US16/136,751 USRE48173E1 (en) | 2013-05-31 | 2014-03-26 | Vehicle driving device |
EP14805096.6A EP2962884B8 (en) | 2013-05-31 | 2014-03-26 | Vehicular drive device |
KR1020157030663A KR101655714B1 (ko) | 2013-05-31 | 2014-03-26 | 차량용 구동 장치 |
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JP2013116027A JP6020356B2 (ja) | 2013-05-31 | 2013-05-31 | 車両用駆動装置 |
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JP2013197531A JP6146235B2 (ja) | 2013-09-24 | 2013-09-24 | 車両用駆動装置 |
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EP (1) | EP2962884B8 (ja) |
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CN114390983A (zh) * | 2019-12-26 | 2022-04-22 | 株式会社爱信 | 车用驱动装置 |
EP4049871A1 (en) * | 2019-12-26 | 2022-08-31 | Aisin Corporation | Vehicle drive apparatus |
EP4011680A4 (en) * | 2019-12-26 | 2022-09-07 | Aisin Corporation | DRIVE DEVICE FOR VEHICLE |
CN114390983B (zh) * | 2019-12-26 | 2024-03-01 | 株式会社爱信 | 车用驱动装置 |
Also Published As
Publication number | Publication date |
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US9446657B2 (en) | 2016-09-20 |
EP2962884A4 (en) | 2017-05-10 |
USRE48173E1 (en) | 2020-08-25 |
EP2962884B1 (en) | 2018-08-29 |
EP2962884B8 (en) | 2018-12-19 |
EP2962884A1 (en) | 2016-01-06 |
KR101655714B1 (ko) | 2016-09-07 |
KR20150136515A (ko) | 2015-12-07 |
US20160039276A1 (en) | 2016-02-11 |
CN105163969A (zh) | 2015-12-16 |
CN105163969B (zh) | 2017-09-12 |
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