WO2009125625A1 - 駆動装置 - Google Patents
駆動装置 Download PDFInfo
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- WO2009125625A1 WO2009125625A1 PCT/JP2009/053166 JP2009053166W WO2009125625A1 WO 2009125625 A1 WO2009125625 A1 WO 2009125625A1 JP 2009053166 W JP2009053166 W JP 2009053166W WO 2009125625 A1 WO2009125625 A1 WO 2009125625A1
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- rotating electrical
- electrical machine
- machine
- control device
- drive device
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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
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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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
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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
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
- H02K11/049—Rectifiers associated with stationary parts, e.g. stator cores
- H02K11/05—Rectifiers associated with casings, enclosures or brackets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1815—Rotary generators structurally associated with reciprocating piston engines
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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
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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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
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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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
- Y02T10/62—Hybrid vehicles
Definitions
- the present invention relates to a drive device including a rotating electric machine such as a motor or a generator, and more particularly to a drive device suitably used for various vehicles such as a hybrid vehicle and an electric vehicle.
- a drive device including a rotating electrical machine such as a motor and a generator, a control device that controls the rotating electrical machine, and a case that houses the rotating electrical machine and the control device is applied to various vehicles such as a hybrid vehicle and an electric vehicle.
- a drive device for a vehicle for example, the following Patent Document 1 discloses the following drive device configuration.
- the drive device includes a drive device case that integrally accommodates the rotating electrical machine, the speed change mechanism, and the differential mechanism, and a control device such as an inverter that is attached to the upper portion of the drive device case and controls the rotating electrical machine. And a control device case.
- the drive device case and the control device case are provided with communication holes that communicate these, and rod-shaped connection terminals for electrically connecting the rotating electrical machine and the control device to the communication holes. Inserted and arranged in the direction.
- the upper end of the connection terminal is electrically connected to the terminal of the control device via the bus bar, and the lower end of the connection terminal is electrically connected to the coil of the rotating electrical machine via the bus bar.
- the communication hole and the connection terminal are sealed with an O-ring or the like so that lubricating and cooling oil or the like existing in the drive device case does not enter the control device case. This prevents oil from adhering to the control device and ensures insulation.
- the drive device case that accommodates the rotating electrical machine and the like and the control device case that accommodates the control device are separated, so that the periphery of the connection terminal arranged so as to penetrate the two cases is provided. It is possible to easily prevent oil in the drive device case from entering the control device case simply by sealing.
- the control device case and the control device attached to the drive device case are arranged so as to largely protrude upward from the drive device case. Therefore, there exists a subject that a drive device enlarges and the mounting property to a vehicle worsens.
- the present invention has been made in view of the above problems, and its purpose is to accommodate a rotating electrical machine and a control device for controlling the rotating electrical machine in a single case while reducing the size of the drive device.
- An object of the present invention is to provide a drive device that ensures the sealing performance of the space in which the control device is accommodated and also has good workability during manufacturing.
- a characteristic configuration of a rotating electrical machine, a control device that controls the rotating electrical machine, and a case that houses the rotating electrical machine and the control device includes a machine room in which the rotating electric machine is accommodated and an electric room in which the control device is accommodated, and the machine room and the electric chamber are separated from each other by a partition wall, and the rotating electric machine
- a connecting member for electrically connecting the control device and the control device is provided so as to penetrate the partition wall in a liquid-tight state, and the machine chamber and the electric chamber each have an opening at one axial end side of the rotating electrical machine.
- a cover that covers these two openings in a state of partitioning each other is attached.
- the “rotary electric machine” is used as a concept including any of a motor (electric motor), a generator (generator), and a motor / generator that functions as both a motor and a generator as necessary.
- the rotating electrical machine and the control device can be integrally accommodated in one case by housing the rotating electrical machine and the control device in the machine room and the electrical chamber provided in the case.
- the drive device can be downsized.
- the machine room and the electric chamber are partitioned by the partition wall, and the connecting member is provided so as to penetrate the partition wall in a liquid-tight state, so that the rotating electrical machine and the control device are electrically connected.
- liquid such as oil existing in the machine chamber can be prevented from entering the electric chamber, and the sealing performance of the electric chamber can be ensured.
- both the machine room and the electric room have an opening on one end side in the axial direction of the rotating electrical machine, the members accommodated in the machine room or the electric room can be assembled in the case from the same direction. Therefore, workability at the time of manufacture can be improved.
- the cover attached to the two openings of the machine room and the electric room can partition the machine room and the electric room and cover each opening, improving workability during manufacturing, It is possible to realize a configuration in which the machine room and the electric room are partitioned with a simple structure and the sealing property of the electric room is ensured.
- the two openings have a common opening end face located on the same plane, and the two openings are covered by the common cover attached so as to come into contact with the opening end face. It is preferable.
- the cover that covers the two openings of the machine room and the electric room can be shared, and the common opening end face where the contact surface of the cover and the case is located on the same plane. Therefore, the sealing structure of the contact surface can be simplified, and the sealing performance of the machine room and the electric room can be easily ensured.
- the machine room and the electric room are partitioned in a radial direction of the rotating electrical machine, and the electrical room is disposed on a radially outer side of the rotating electrical machine with respect to the machine room.
- the electric chamber and the control device are arranged so as to be adjacent to the outer side in the radial direction of the machine room that houses the rotating electrical machine, so that the drive device is expanded in the axial direction of the rotating electrical machine.
- the radial expansion of the rotating electrical machine can be minimized. Therefore, the size of the drive device can be reduced.
- the connecting member penetrates the partition wall in a direction substantially parallel to the axial direction of the rotating electrical machine and is disposed at a position overlapping with the machine room in the axial direction of the rotating electrical machine. is there.
- the connecting member that electrically connects the rotating electrical machine and the control device is disposed so as to penetrate the partition wall in a direction substantially parallel to the axial direction of the rotating electrical machine. Moreover, it can suppress that a drive device expands to the radial direction of a rotary electric machine. Furthermore, since the connection member is arranged so as to overlap the machine room in the axial direction of the rotating electrical machine, it is possible to suppress the drive device from expanding in the axial direction of the rotating electrical machine due to the arrangement of the connecting member. Therefore, the size of the drive device can be reduced.
- connection member includes a connection terminal provided in a portion that penetrates the partition wall, and a connection wiring that is disposed in the electrical chamber and electrically connects the control device and the connection terminal. It is preferable that a wiring fixing portion for fixing the connection wiring is provided at an end of the terminal on the opening side.
- connection wiring when the connection wiring is fixed to the wiring fixing portion of the connection terminal arranged so as to penetrate the partition wall, a tool or the like can be easily inserted from the opening of the electric chamber. . Therefore, workability at the time of manufacture can be improved, and a space for inserting a tool or the like can be kept small, and the drive device can be downsized.
- control device and the connection terminal are arranged at different positions in the circumferential direction of the rotating electrical machine, and the connection wiring extends along the outer periphery of the rotating electrical machine so as to connect the control device and the connection terminal.
- connection wiring extends along the outer periphery of the rotating electrical machine so as to connect the control device and the connection terminal.
- connection wiring is disposed along the outer periphery of the rotating electrical machine.
- connection terminal is disposed above the level of oil stored in the machine room.
- connection terminal penetrating the partition wall is suppressed from being immersed in oil in the machine room. Accordingly, it is possible to easily ensure the insulation of the connection member such as the connection terminal and the connection wiring for electrically connecting the connection terminal and the rotating electrical machine.
- connection terminal has an insulating member at least on an outer periphery of a portion penetrating the partition wall, and a seal member is disposed between the insulating member and the partition wall.
- connection terminal it is possible to ensure electrical insulation between the connection terminal and the partition wall, and it is also possible to ensure liquid tightness at a portion where the connection terminal penetrates the partition wall.
- the output mechanism further includes an output mechanism that outputs the rotation of the rotating electrical machine to the outside of the case, and the output mechanism is disposed adjacent to the rotating electrical machine, and the output shaft is below the shaft of the rotating electrical machine.
- the control device is disposed below the rotating electrical machine and at a position overlapping with the output mechanism in the vertical direction.
- the drive device includes the output mechanism that is disposed adjacent to the rotating electrical machine so that the output shaft is positioned below the shaft of the rotating electrical machine, the vertical direction between the rotating electrical machine and the output mechanism is Since the control device can be efficiently arranged using the space generated by the difference in position, the drive device can be downsized.
- the electric chamber has a second opening that opens downward, and the second opening is covered with a second cover.
- the control device disposed below the rotating electrical machine in the electric chamber can be easily assembled to the case, and the workability at the time of manufacturing the drive device can be improved. Can do. Further, even when the drive device is mounted on a vehicle or the like, the control device can be easily accessed from the second opening by removing the second cover. Therefore, workability at the time of maintenance and inspection of the control device can be improved.
- the rotating electrical machine is a first rotating electrical machine, and further includes a second rotating electrical machine disposed in the machine room adjacent to the first rotating electrical machine, wherein the first rotating electrical machine and the second rotating electrical machine are: It is preferable that they are arranged at positions overlapping in the axial direction.
- the drive device has two rotary electric machines, and the two rotary electric machines are arranged at positions overlapping in the axial direction, thereby reducing the overall axial length of the drive device. . Therefore, by applying each configuration according to the present invention to the drive device having such an arrangement of the rotating electrical machine, the drive device can be prevented from expanding in the axial direction and the radial direction of the rotating electrical machine. The size can be further reduced.
- the case preferably has a connecting portion connected to the engine on the other axial end side of the rotating electrical machine, and the connecting portion is connected in the axial direction of the engine placed horizontally on the vehicle. It is.
- the opening portion of the machine room and the electric chamber provided on one end side in the axial direction of the rotating electrical machine is provided on the opposite side in the axial direction of the rotating electrical machine with respect to the connecting portion connected to the engine. It will be. Therefore, even when the drive device is a drive device for a hybrid vehicle or the like connected to the engine, the workability during maintenance of the structural member housed in the case can be improved.
- FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1 with a cover attached. It is a schematic diagram which shows roughly arrangement
- FIG. 3 is an enlarged view of a main part of FIG. 2. It is a schematic diagram which shows roughly arrangement
- the driving apparatus 1 includes two rotating electric machines, a first rotating electric machine MG1 and a second rotating electric machine MG2, and a differential apparatus DF in one case 2. Contained and configured. Further, in the driving device 1, the control device 4 that controls the two rotating electrical machines MG1 and MG2, the bus bar 7 that electrically connects the control device 4 and the two rotating electrical machines MG1 and MG2, and the like are the same. Housed inside the case 2.
- the case 2 includes a machine room R1 in which the rotating electrical machines MG1 and MG2 and the like are accommodated, and an electric room R2 in which the control device 4 and the like are accommodated. It has the structure.
- the configuration of each part of the drive device according to the present embodiment will be described in detail.
- the drive device 1 includes two rotating electrical machines, a first rotating electrical machine MG1 and a second rotating electrical machine MG2, and a differential device DF.
- the first rotary electric machine MG1, the second rotary electric machine MG2, and the differential device DF are arranged adjacent to each other in the radial direction, and are arranged so that a line connecting these axes forms a triangle.
- the axis of the first rotary electric machine MG1 (that is, the rotary axis of the rotor of the first rotary electric machine MG1) is the first axis A1
- the axis of the second rotary electric machine MG2 (that is, the rotary axis of the rotor of the second rotary electric machine MG2).
- the second axis A2 and the axis of the differential device DF are set as a third axis A3.
- the first axis A1, the second axis A2, and the third axis A3 are arranged in parallel to each other. As shown in FIG.
- both the second axis A2 and the third axis A3 are arranged on one side (the right side in FIG. 1) with respect to the first axis A1, and the second axis A2 is slightly on the other side with respect to the third axis A3. It is arranged on the side (right side in FIG. 1).
- first rotating electrical machine MG1 and the second rotating electrical machine MG2 are arranged at positions overlapping in the axial direction of the first axis A1 (direction perpendicular to the paper surface in FIG. 1). That is, the first rotating electrical machine MG1 and the second rotating electrical machine MG2 are arranged at positions that overlap each other when viewed from the side (as viewed from the direction shown in FIG. 2). Thereby, it has the structure which suppressed the full length of the axial direction of the drive device 1 short.
- the first rotating electrical machine MG1, the second rotating electrical machine MG, and the differential device DF are accommodated in the machine room R1 of the case 2.
- FIG. 2 shows a cross section passing through the first axis A1 of the driving device 1.
- the first rotating electrical machine MG1 and the rotating shaft 11 of the rotor Ro1 thereof the input shaft 13 connected to the output shaft Eo of the engine E via the damper 12,
- a gear mechanism 14 for transmitting the rotation of the first rotating electrical machine MG1 and the input shaft 13 to the differential device DF side is disposed.
- FIG. 2 only the outer shapes of the rotating shaft 11, the gear mechanism 14, the input shaft 13, and the damper 12 of the rotor Ro1 are shown, and the detailed shapes thereof are omitted.
- the first rotating electrical machine MG1 On the first axis A1, the first rotating electrical machine MG1 is arranged on one end side in the axial direction (the cover 3 side, the right side in FIG. 2).
- the rotating shaft 11 of the rotor Ro1 of the first rotating electrical machine MG1 is pivotally supported by a bearing 15 fixed to the cover 3.
- a gear mechanism 14 and an input shaft 13 are arranged in order from the first rotating electrical machine MG1 toward the other axial end side (left side in FIG. 2).
- the input shaft 13 is connected to the output shaft Eo of the engine E via the damper 12.
- the damper 12 is accommodated in a damper case 8 attached to the end face 23 on the other end side in the axial direction of the case 2.
- the input shaft 13 is pivotally supported by a bearing 16 fixed to the partition wall 81 of the damper case 8.
- the gear mechanism 14 is configured so that the rotation of the first rotating electrical machine MG1 and the input shaft 13 can be transmitted to the differential device DF side, although description of the specific configuration is omitted.
- the damper case 8 is attached to one end side in the axial direction in contact with the end face 23 on the other end side in the axial direction of the case 2 and attached to the case of the engine E at the end face 82 in the other end side in the axial direction. That is, the case 2 is connected to the engine E via the damper case 8 on the other axial end side. Therefore, the end surface 23 on the other end side in the axial direction of the case 2 corresponds to the connecting portion 24 connected to the engine E.
- the connecting portion 24 is connected in the axial direction of the output shaft Eo of the engine E placed horizontally on the vehicle C.
- the damper case 8 is fastened and fixed to the case 2 by the bolt 83.
- the output shaft DFO of the differential device DF is drivingly connected to the wheels W. Therefore, the rotation of the first rotating electrical machine MG1 and the second rotating electrical machine MG2 is output to the outside of the case 2 as the rotation of the output shaft DFO of the differential device DF via the differential device DF and transmitted to the wheels W. Therefore, in the present embodiment, the differential device DF corresponds to the “output mechanism” in the present invention. The first rotating electrical machine MG1 corresponds to the “rotating electrical machine” in the present invention.
- the case 2 includes a machine room R1 in which the rotating electrical machines MG1, MG2 and the like are accommodated, and an electric room R2 in which the control device 4 and the like are accommodated. .
- the first rotating electrical machine MG1, the second rotating electrical machine MG2, the differential device DF, and the gear mechanism 14 are accommodated in the machine room R1.
- the electric chamber R2 accommodates the control device 4 and a bus bar 7 constituting a part of the connecting member 5.
- the machine room R1 and the electric room R2 are separated from each other by a partition wall 21.
- the machine room R1 and the electric room R2 are partitioned by the partition wall 21 in the radial direction of the first rotary electric machine MG1, and the electric room R2 is radially outside the first rotary electric machine MG1 with respect to the machine room R1. Is arranged.
- the outer peripheral wall 25 constituting the outer shape of the case 2 is made up of the first rotary electric machine MG1, the second rotary electric machine MG2, and the respective axes (first axis A1, second axis A2, and third axis A3) of the differential device DF. ) Is formed in a deformed cylindrical shape having an axis substantially parallel to.
- a partition wall 21 disposed substantially in parallel with the outer peripheral wall 25 is provided on a radially inner side of the outer peripheral wall 25 in a partial region in the axial direction of the first rotating electrical machine MG ⁇ b> 1. .
- the case 2 is configured to have the outer peripheral wall 25 and the double peripheral wall of the partition wall 21 arranged on the radially inner side in a partial region in the axial direction.
- the partition wall 21 is located on the radially inner side of the first rotating electrical machine MG1 with respect to the outer peripheral wall 25 at the axial position where the partition wall 21 is not provided, and corresponds to the step portion.
- the machine room R1 and the electric chamber R2 are partitioned in the axial direction of the first rotating electrical machine MG1 (direction along the first axis A1). That is, in this example, the machine room R1 and the electric room R2 are partitioned by the partition wall 21 in both the radial direction and the axial direction of the first rotating electrical machine MG1.
- the machine room R1 is an axis substantially parallel to the axes (the first axis A1, the second axis A2, and the third axis A3) of the first rotating electrical machine MG1, the second rotating electrical machine MG2, the differential device DF, the gear mechanism 14, and the like. It is formed in a deformed cylindrical shape having a shape surrounding these outer shapes.
- the electric chamber R2 is formed so as to surround a part of the outer side in the radial direction of the machine room R1.
- the machine room R1 and the electric room R2 respectively have openings R1a and R2a on one end side in the axial direction of the first rotating electrical machine MG1.
- the opening R1a of the machine room R1 and the opening R2a of the electric chamber R2 have a common opening end face 22 located on the same plane.
- the opening end face 22 is formed in a circumferential shape surrounding the opening R1a of the machine room R1 and the opening R2a of the electric chamber R2.
- the cover 3 is attached so as to be in contact with the opening end surface 22. Therefore, a plurality of bolt holes 22 a as fastening portions for attaching the cover 3 are formed in the opening end surface 22. And the cover 3 is fixed to the opening end surface 22 by the bolt 31 as a fastening member inserted in the bolt insertion hole 3a provided in the cover 3 being fastened.
- the electric chamber R2 is provided facing the opening R2a side, and the first electric chamber R21 formed along the circumferential direction of the first rotating electrical machine MG1, and the first electric chamber R21.
- the second electric is provided on the other end side in the axial direction of the first rotating electrical machine MG1 with respect to the electric chamber R21 and formed on the lower side of the first rotating electrical machine MG1 and on the side opposite to the side adjacent to the differential device DF. It is divided into the room R22.
- the first electric chamber R21 is above the first rotating electrical machine MG1 side of the second rotating electrical machine MG2 (FIG. 1) so as to have a strip shape extending in a substantially C shape when viewed from the opening R2a side (the side shown in FIG.
- the first electric chamber R21 surrounds the outer periphery of the first rotating electrical machine MG1 so as to go around the side opposite to the side adjacent to the differential device DF in the first rotating electrical machine MG1 (the left side in FIG. 1). Are arranged along.
- the first electric chamber R21 is opened toward one end in the axial direction of the first rotating electrical machine MG1, and this opening becomes an opening R2a of the electric chamber R2.
- the first electric chamber R21 has a certain depth in the axial direction of the first rotating electrical machine MG1. As will be described later, the bus bar 7 is mainly accommodated in the first electric chamber R21.
- the second electric chamber R22 is seen from the opening R2a side, along the side and the lower side opposite to the side adjacent to the differential device DF in the first rotating electrical machine MG1. It has a substantially L-shaped planar shape.
- the second electric chamber R22 is provided on the other axial end side of the first rotating electrical machine MG1 with respect to the first electric chamber R21.
- the second electric chamber R22 is deeper than the first electric chamber R21 in the axial direction of the first rotating electrical machine MG1.
- the control device 4 and the capacitor 17 are mainly accommodated. Specifically, as shown in FIGS.
- the control device 4 is housed below the first rotating electrical machine MG ⁇ b> 1 in the second electric chamber R ⁇ b> 22. As a result, the control device 4 is disposed below the first rotating electrical machine MG1 and at a position overlapping with the differential device DF in the vertical direction.
- Capacitor 17 is housed in the second electric chamber R22 on the side of first rotating electrical machine MG1 (on the side opposite to the side adjacent to differential device DF).
- a connector 18 is disposed above the capacitor 17. The connector 18 is disposed through the outer peripheral wall 25 of the case 2, and serves as a connection terminal for electrically connecting the inside of the electric chamber R 2 and the outside of the case 2.
- a cover 3 is attached to the opening R1a of the machine room R1 and the opening R2a of the electric chamber R2 so as to partition the openings R1a and R2a from each other.
- the opening R1a of the machine room R1 and the opening R2a of the electric chamber R2 have a common opening end face 22 located on the same plane, and the two openings R1a, R2a is covered by a common cover 3 attached so as to abut on the opening end face 22.
- the cover 3 is formed substantially parallel to the opening end surface 22 and covers the opening end surface 22, and the cover 3 projects from the cover surface 33 toward the other axial end side of the first rotating electrical machine MG1.
- a peripheral wall portion 34 formed.
- An end surface on the other end side in the axial direction of the peripheral wall portion 34 is a contact surface 32 that contacts the opening end surface 22 of the case 2.
- the planar shape of the contact surface 32 is substantially the same as the planar shape of the opening end surface 22 of the case 2 to which the contact surface 32 contacts. That is, the contact surface 32 of the cover 3 is formed in a circumferential shape surrounding the opening R1a of the machine chamber R1 and the opening R2a of the electric chamber R2 similarly to the opening end surface 22 of the case 2 shown in FIG. Yes.
- the peripheral wall portion 34 has an arrangement shape substantially the same as that of the outer peripheral wall 25 and the partition wall 21 of the case 2 so as to match the shape of the opening end surface 22 of the case 2.
- the peripheral wall portion 34 of the cover 3 is continuous with the outer peripheral wall 25 of the case 2 and the outer peripheral wall 34a continuous in the axial direction of the first rotating electrical machine MG1, and the partition wall 21 of the case 2 and the axial direction of the first rotating electrical machine MG1. And a partition wall 34b.
- the contact surface 32 of the peripheral wall 34 is in contact with the opening end surface 22 of the case 2, the opening R 1 a of the machine chamber R 1 and the opening R 2 a of the electric chamber R 2 are the peripheral wall of the cover 3. 34 and the cover surface 33 are separated from each other. That is, the cover 3 partitions the space in the case 2 together with the outer peripheral wall 25 and the partition wall 21 of the case 2 to form a machine room R1 and an electric room R2.
- the cover surface 33 of the cover 3 has substantially the same planar shape as the outer shape of the opening end surface 22 of the case 2 when viewed from one axial end side (the right side in FIG. 2) of the first rotating electrical machine MG1.
- the cover 3 has a planar shape having substantially the same outer shape as the shape of the outer peripheral edge of the opening end surface 22 surrounding the machine room R1 and the electric chamber R2 shown in FIG.
- a boss portion 35 is provided at the intersection of the cover 3 and the first axis A1, and a bearing 15 that supports the rotation shaft 11 of the rotor Ro1 of the first rotating electrical machine MG1 is provided on the inner periphery of the boss portion 35. It is fixed.
- the cover 3 has a plurality of bolt insertion holes 3 a as fastening portions at positions corresponding to the bolt holes 22 a provided in the opening end surface 22. And the cover 3 is fixed to the case 2 by the bolt 31 as a fastening member inserted in this bolt insertion hole 3a being fastened by the bolt hole 22a. At this time, for example, a liquid gasket is disposed between the opening end surface 22 of the case 2 and the contact surface 32 of the cover 3 to form a sealing structure.
- the electric chamber R2 of the case 2 has a second opening R2b that opens downward.
- the second opening R2b is provided in the outer peripheral wall 25 of the case 2.
- the second opening R2b is an opening for facilitating assembly, maintenance and inspection of the control device 4 arranged below the first rotating electrical machine MG1 in the electric chamber R2 (second electric chamber R22).
- the second opening R ⁇ b> 2 b is formed so that the planar shape seen from below the case 2 is wider than the planar shape seen from below the control device 4.
- the control apparatus 4 can be accommodated in the electrical chamber R2 from the second opening R2b and fixed to the case 2.
- the control device 4 is fixed to the case 2 from below. Specifically, as shown in FIG.
- a plurality of bolt holes 21 a as fastening portions are provided on the lower surface of the partition wall 21 of the case 2, and the control device 4 has a plurality of bolt holes 21 a as fastening portions.
- Bolt insertion holes (not shown) are provided.
- the bolt 41 as a fastening member inserted in the bolt insertion hole of the control device 4 is fastened to the bolt hole 21 a, whereby the control device 4 is fixed to the lower surface of the partition wall 21 in the case 2.
- the second opening R2b is covered with the second cover 9.
- the second cover 9 is attached to the outer peripheral wall 25 of the case 2 so as to cover the entire second opening R2b.
- the second cover 9 is fixed to the case 2 by fastening bolts 91 inserted through the second cover 9 into bolt holes provided in the outer peripheral wall 25 of the case 2.
- the second cover 9 includes radiating fins 92.
- the radiating fins 92 are for releasing heat generated by the control device 4 to the outside.
- connection member 5 is disposed in the electric chamber R ⁇ b> 2 of the case 2.
- the connection member 5 is connected to the connection terminal 6 provided in a portion that penetrates the partition wall 21 and the connection wiring that is disposed in the electric chamber R2 and electrically connects the control device 4 and the connection terminal 6.
- the connection terminal 6 fulfills a function of performing electrical connection between the machine room R1 and the electric room R2, and one end side is located in the electric room R2 (first electric room R21), and the other It arrange
- connection terminals 6 there are a plurality of connection terminals 6 corresponding to each of the first rotating electrical machine MG1 and the second rotating electrical machine MG2, specifically, three connected to the first rotating electrical machine MG1, as will be described later.
- a total of six wires connected to the second rotating electrical machine MG2 are provided.
- the bus bar 7 performs a function of performing electrical connection between the connection terminal 6 and the control device 4, and the entire bus bar 7 is disposed in the electric chamber R2, and most of the bus bar 7 is the first. Arranged in one electrical chamber R21.
- connection terminal 6 penetrates the partition wall 21 in a direction substantially parallel to the axial direction of the first rotating electrical machine MG1, and is disposed at a position overlapping with the machine room R1 in the axial direction of the first rotating electrical machine MG1. Therefore, as shown in FIG. 2 and FIG. 4 which is an enlarged view of the periphery of the connection terminal 6, the connection terminal 6 divides the machine room R1 and the electric room R2 in the partition wall 21 in the axial direction of the first rotating electrical machine MG1. And the wall portion extending in the radial direction of the first rotating electrical machine MG1 is provided.
- the connection terminal 6 includes a rod-shaped terminal body 61 made of a conductive member and an insulating member 62 provided so as to cover the outer periphery of the terminal body 61.
- the terminal main body 61 is formed in a stepped columnar shape having thick end portions and a thin central portion.
- fixed part 61a for fixing the bus-bar 7 is provided in the electric chamber R2 side of the terminal main body 61.
- the first bus bar fixing portion 61a is provided at the end of the terminal body 61 on the opening R2a side (one end side in the axial direction of the first rotating electrical machine MG1 and the right side in FIGS. 2 and 4).
- the first bus bar fixing portion 61a includes a bolt hole as a fastening portion to which a bolt 71 as a fastening member for fixing the bus bar 7 is fastened, and a seat surface around the bolt hole and against which the bus bar 7 abuts. It is comprised.
- the first bus bar fixing portion 61a corresponds to the wiring fixing portion in the present invention.
- the second bus bar fixing portion 61b is provided. More specifically, the second bus bar fixing portion 61b is an end of the terminal body 61 on the other end side end surface 23 side in the axial direction of the case 2 (the other end side in the axial direction of the first rotating electrical machine MG1, the left side in FIGS. 2 and 4). Provided in the department.
- the second bus bar fixing portion 61b includes a bolt hole as a fastening portion to which a bolt 53 as a fastening member for fixing the bus bar 52 is fastened, and a seat surface around the bolt hole and against which the bus bar 52 abuts. It is comprised. 2 and 4 show only the bus bar 52 that connects the connection terminal 6 and the coil of the first rotary electric machine MG1, but the bus bar 52 that connects the connection terminal 6 and the second rotary electric machine MG2 is also shown. It is set as the same structure.
- the insulating member 62 is provided on the outer periphery of at least a portion of the terminal main body 61 that penetrates the partition wall 21, and here, is provided so as to cover the entire outer periphery of the terminal main body 61. Therefore, the insulating member 62 is formed in a cylindrical shape that is externally fitted to the stepped columnar terminal body 61.
- the insulating member 62 is made of a material having high electrical insulation.
- An O-ring 51 as a seal member is disposed between the insulating member 62 and the partition wall 21.
- a circumferential groove is formed in a portion of the outer peripheral surface of the insulating member 62 that is in contact with the inner peripheral surface of the through hole forming portion of the partition wall 21, and the O-ring 51 is fitted along the groove. ing.
- the O-ring 51 is elastically deformed between the outer peripheral surface of the insulating member 62 and the inner peripheral surface of the through hole forming portion of the partition wall 21, so that the connection terminal 6 (insulating member 62) and the partition wall 21 are interposed. Is sealed in a liquid-tight state. Thereby, the connection terminal 6 which comprises the connection member 5 is provided so that the partition 21 may be penetrated in a liquid-tight state.
- the control device 4 is connected to the three phases of the U phase, the V phase, and the W phase of the first rotating electrical machine MG1, and the three phases of the U phase, the V phase, and the W phase of the second rotating electrical machine MG2. 6 terminals 42 (see FIG. 1).
- Each terminal 42 of the control device 4 is connected to a coil of each phase of each rotary electric machine MG1, MG2 via the bus bar 7 and the connection terminal 6, and supplies AC power to each rotary electric machine MG1, MG2, or each rotary electric machine MG1 and MG2 receive the power generated.
- the six terminals 42 of the control device 4 are arranged in a line along the tangential direction of the outer periphery of the first rotating electrical machine MG1.
- the connection terminal 6 includes three phases of the U-phase, V-phase, and W-phase of the first rotating electrical machine MG1, and the second rotating electrical machine MG2.
- Six lines are provided corresponding to each of the three phases of the U phase, the V phase, and the W phase.
- the three connection terminals 6 corresponding to the respective phases of the first rotating electrical machine MG1 are arranged side by side in the tangential direction of the outer periphery of the first rotating electrical machine MG1 above the first rotating electrical machine MG1.
- connection terminals 6 corresponding to each phase of the rotating electrical machine MG2 are tangent to the outer periphery of the second rotating electrical machine MG2 above the second rotating electrical machine MG2 on the first rotating electrical machine MG1 side (upper left in FIG. 1). Arranged side by side. In any case, these connection terminals 6 are arranged at positions different from the control device 4 in the circumferential direction of the first rotating electrical machine MG1. Specifically, the control device 4 is disposed below the first rotating electrical machine MG1 as described above. On the other hand, the six connection terminals 6 are all disposed above the first rotating electrical machine MG1. In this example, as shown in FIG.
- the oil level OL is slightly above the third axis A3 that is the axis of the differential device DF, and is the first axis that is the axis of the first rotating electrical machine MG1. It is set at a position below the axis A1. Therefore, all of the connection terminals 6 are disposed above the oil level OL of oil stored in the machine room R1. By arranging the connection terminal 6 in this way, the connection terminal 6 is suppressed from being immersed in oil in the machine room R1. Therefore, it is easy to ensure the insulation of the connection terminal 6 and the connection member such as the bus bar 52 that electrically connects the connection terminal 6 and the coils of the respective phases of the first rotating electrical machine MG1 or the second rotating electrical machine MG2. Can do.
- the bus bar 7 is arranged along the outer periphery of the first rotating electrical machine MG1 so as to connect the control device 4 and the connection terminal 6. That is, as described above, the control device 4 is disposed below the first rotating electrical machine MG1, and the connection terminal 6 is disposed above the first rotating electrical machine MG1. Therefore, as shown in FIGS. 1 and 3, in the present embodiment, the first rotating electrical machine MG ⁇ b> 1 is formed so that the bus bar 7 is substantially C-shaped when viewed from the opening R ⁇ b> 2 a side (the side shown in FIG. 1). Of the first rotating electrical machine MG1 so as to connect from the connection terminals 6 positioned above the first rotating electrical machine MG1 to the terminal 42 of the control device 4 positioned below the first rotating electrical machine MG1.
- the bus bar 7 is disposed so as to pass through the side opposite to the side adjacent to the differential device DF in the first rotating electrical machine MG1.
- the first electric chamber R21 of the case 2 described above is formed to have a shape that matches the arrangement of the bus bars 7, and the bus bar 7 is arranged in the first electric chamber R21.
- the bus bar 7 arranged in the first electric chamber R21 is arranged at a position overlapping with the machine room R1 in the axial direction of the first rotating electrical machine MG1 like the connection terminal 6.
- bus bars 7 are provided to connect the six terminals 42 and the six connection terminals 6 of the control device 4 respectively.
- three bus bars 7 connected to the coils of each phase of the first rotating electrical machine MG1, and 3 connected to the coils of each phase of the second rotating electrical machine MG2.
- the bus bars 7 are arranged in a state of being bundled by the bus bar binding members 73.
- the bus bar binding member 73 is a member that arranges the three bus bars 7 at a predetermined interval and insulates the bus bars 7 from each other. Therefore, the bus bar binding member 73 is formed of a highly insulating material.
- each bus bar 7 connected to the first rotating electrical machine MG1 are arranged at one end side in the axial direction of the first rotating electrical machine MG1 with respect to the three bus bars 7 connected to the second rotating electrical machine MG2 (see FIG. It arrange
- each bus bar 7 is bent in an L-shaped cross section near the connection portion with the connection terminal 6.
- each bus bar 7 is fixed to the first bus bar fixing part 61a of the connection terminal 6, and the part substantially parallel to the axial direction of the first rotating electrical machine MG1 is the first It arrange
- the bus bar 7 and the connection terminal 6 are fastened and fixed by bolts 71 and are physically and electrically connected.
- Each bus bar 7 is bent in a U-shaped cross section in the vicinity of the connection portion with the terminal 42 of the control device 4.
- each bus bar 7 below the portion arranged along the outer periphery of the first rotating electrical machine MG1 and substantially parallel to the axial direction of the first rotating electrical machine MG1 is the axis of the first rotating electrical machine MG1.
- the other end side in the direction extends into the second electric chamber R 22, and the tip end thereof is fixed to the terminal 42 of the control device 4.
- the bus bar 7 and the terminal 42 of the control device 4 are fastened and fixed by bolts 72 and are physically and electrically connected.
- the opening R1a of the machine room R1 and the opening R2a of the electric chamber R2 have a common opening end face 22 located on the same plane, and the opening end face 22
- the opening end face of the opening R1a of the machine room R1 and the opening end face of the opening R2a of the electric chamber R2 are positioned on different surfaces, and the opening end faces of the respective openings R1a and R2a are It is one of the preferred embodiments of the present invention that the cover is covered with different covers.
- connection terminal 6 penetrates the partition wall 21 in a direction substantially parallel to the axial direction of the first rotating electrical machine MG1
- the embodiment of the present invention is not limited to this. Therefore, for example, disposing the connection terminal 6 so as to penetrate the partition wall 21 in the radial direction of the first rotating electrical machine MG1 is also one preferred embodiment of the present invention.
- connection wiring the case where the bus bar 7 is used as the connection wiring and the connection member 5 includes the bus bar 7 and the connection terminal 6 has been described as an example.
- the embodiment of the present invention is not limited to this. Therefore, for example, it is preferable to use a cable as the connection wiring, and it is also preferable to connect the rotating electrical machines MG1 and MG2 and the control device 4 with the cable without using the connection terminal 6. Even in this case, it is necessary to provide a seal member at a portion where the cable penetrates the partition wall 21 to ensure a liquid-tight state.
- the positional relationship between the machine room R1 and the electric chamber R2 described in the above embodiment is merely an example, and other positional relationships can be employed. Therefore, for example, the arrangement of the control device 4 may be changed to the side or the upper side of the first rotating electrical machine MG1, and the bus bar 7 may be arranged so as to connect the control device 4 and the connection terminal 6. It is one of the preferred embodiments of the invention. In this case, the drive device 1 is slightly larger to the side of the first rotating electrical machine MG1, but it is not necessary to dispose the bus bar 7 and the first electric chamber R21 so as to go below the first rotating electrical machine MG1, and the bus bar 7 and the first electric chamber R21 can be reduced.
- the drive device 1 includes the differential device DF as an output mechanism in the case 2
- the embodiment of the present invention is not limited to this. Therefore, for example, a configuration including a drive transmission mechanism such as a gear mechanism other than the differential device DF, a transmission shaft, a transmission belt, and a chain as an output mechanism is also one preferred embodiment of the present invention.
- the driving device 1 includes two rotating electric machines, the first rotating electric machine MG1 and the second rotating electric machine MG2, has been described as an example.
- the embodiment of the present invention is not limited to this, and it is one of the preferred embodiments of the present invention that only one rotating electric machine is provided, or three or more rotating electric machines are provided. is there.
- the drive device 1 is a device for a hybrid vehicle connected to the engine E
- the embodiment of the present invention is not limited to this, and for example, a driving device for an electric vehicle or the like that includes only a rotating electrical machine as a power source of the vehicle is one of the preferred embodiments of the present invention. It is.
- the present invention is a drive device provided with a rotating electrical machine such as a motor or a generator, and can be suitably used for a drive device suitably used for various vehicles such as a hybrid vehicle and an electric vehicle.
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Abstract
Description
まず、本実施形態に係る駆動装置1の機構部の構成について概略的に説明する。図1に示すように、この駆動装置1は、第一回転電機MG1及び第二回転電機MG2の2つの回転電機と、ディファレンシャル装置DFとを備えている。なお、図1には、これらの外形のみを示し、詳細な形状は省略している。これらの第一回転電機MG1、第二回転電機MG2、及びディファレンシャル装置DFは、径方向に互いに隣接して配置され、これらの軸を結ぶ線が三角形を形成するように配置されている。ここでは、第一回転電機MG1の軸(すなわち第一回転電機MG1のロータの回転軸)を第一軸A1、第二回転電機MG2の軸(すなわち第二回転電機MG2のロータの回転軸)を第二軸A2、ディファレンシャル装置DFの軸(ディファレンシャル装置DFの出力軸)を第三軸A3とする。これら第一軸A1、第二軸A2、及び第三軸A3は、互いに平行に配置されている。図1に示すように、第一軸A1を基準とした場合、鉛直方向では、第二軸A2は第一軸A1に対して上方に配置され、第三軸A3は第一軸A1に対して下方に配置されている。また、水平方向では、第二軸A2及び第三軸A3は共に第一軸A1に対して一方側(図1における右側)に配置され、第二軸A2は第三軸A3に対してやや一方側(図1における右側)に配置されている。また、第一回転電機MG1と第二回転電機MG2とは、第一軸A1の軸方向(図1における紙面に垂直な方向)に重複する位置に配置されている。すなわち、第一回転電機MG1と第二回転電機MG2とは、側面視(図2に示す方向から見た状態)で互いに重なる位置に配置されている。これにより、駆動装置1の軸方向の全長を短く抑えた構成となっている。これらの第一回転電機MG1、第二回転電機MG、及びディファレンシャル装置DFは、ケース2の機械室R1内に収容されている。
図1及び図2に示すように、ケース2は、回転電機MG1、MG2等が収容される機械室R1と、制御装置4等が収容される電気室R2とを備えている。本実施形態においては、上記のとおり、機械室R1には、第一回転電機MG1、第二回転電機MG2、ディファレンシャル装置DF、及びギヤ機構14が収容される。また、電気室R2には、制御装置4、及び接続部材5の一部を構成するバスバー7が収容される。機械室R1と電気室R2とは、隔壁21により互いに区画されている。この際、機械室R1と電気室R2とは、隔壁21によって第一回転電機MG1の径方向に区画されており、電気室R2は、機械室R1に対して第一回転電機MG1の径方向外側に配置されている。
図1~図3に示すように、ケース2の電気室R2内には、制御装置4及びコンデンサ17の他に、接続部材5が配置される。本実施形態においては、接続部材5は、隔壁21を貫通する部分に設けられた接続端子6と、電気室R2内に配置されて制御装置4と接続端子6とを電気的に接続する接続配線としてのバスバー7とを有して構成されている。ここで、接続端子6は、機械室R1と電気室R2との間での電気的接続を行う機能を果たすものであり、一端側が電気室R2(第一電気室R21)内に位置し、他端側が機械室R1内に位置するように、隔壁21を貫通して配置されている。ここで、接続端子6は、第一回転電機MG1及び第二回転電機MG2のそれぞれに対応して複数本ずつ、具体的には、後述するように第一回転電機MG1に接続される3本と第二回転電機MG2に接続される3本の合計6本が設けられる。一方、バスバー7は、接続端子6と制御装置4との間での電気的接続を行う機能を果たすものであり、バスバー7の全体が電気室R2内に配置され、バスバー7の大部分が第一電気室R21内に配置されている。
(1)上記の実施形態においては、機械室R1の開口部R1a及び電気室R2の開口部R2aが、同一面上に位置する共通の開口端面22を有し、当該開口端面22に当接するように取り付けられた共通のカバー3により覆われている場合を例として説明した。しかし、本発明の実施形態はこれに限定されるものではない。したがって、例えば、機械室R1の開口部R1aの開口端面と電気室R2の開口部R2aの開口端面とが、異なる面上に位置する構成とされ、それぞれの開口部R1a、R2aの開口端面が、互いに異なるカバーにより覆われる構成とすることも、本発明の好適な実施形態の一つである。このような構成とした場合には、ケースの開口端面とカバーとの間の密封を2つの開口部についてそれぞれ行う必要があるが、機械室R1と電気室R2の配置形状の自由度を高く確保することが可能となる利点がある。
Claims (12)
- 回転電機と、
前記回転電機の制御を行う制御装置と、
前記回転電機及び前記制御装置を収容するケースと、
を備えた駆動装置であって、
前記ケースは、前記回転電機が収容される機械室と、前記制御装置が収容される電気室とを備え、
前記機械室と前記電気室とは、隔壁により互いに区画されているとともに、前記回転電機と前記制御装置とを電気的に接続する接続部材が液密状態で前記隔壁を貫通するように設けられ、
前記機械室と前記電気室とは、前記回転電機の軸方向一端側にそれぞれ開口部を有し、これら2つの開口部を互いに区画する状態で覆うカバーが取り付けられた駆動装置。 - 前記2つの開口部は同一面上に位置する共通の開口端面を有し、
前記2つの開口部は、前記開口端面に当接するように取り付けられた共通の前記カバーにより覆われている請求項1に記載の駆動装置。 - 前記機械室と前記電気室とは、前記回転電機の径方向に区画され、
前記電気室は、前記機械室に対して前記回転電機の径方向外側に配置されている請求項1又は2に記載の駆動装置。 - 前記接続部材は、前記回転電機の軸方向と略平行な方向に前記隔壁を貫通するとともに、前記機械室に対して前記回転電機の軸方向に重複する位置に配置されている請求項1から3のいずれか一項に記載の駆動装置。
- 前記接続部材は、前記隔壁を貫通する部分に設けられた接続端子と、前記電気室内に配置されて前記制御装置と前記接続端子とを電気的に接続する接続配線とを含み、
前記接続端子の前記開口部側の端部には、前記接続配線を固定するための配線固定部が設けられている請求項1から4のいずれか一項に記載の駆動装置。 - 前記制御装置と前記接続端子とが、前記回転電機の周方向に異なる位置に配置され、
前記接続配線は、前記制御装置と前記接続端子とを結ぶように、前記回転電機の外周に沿って配置されている請求項5に記載の駆動装置。 - 前記接続端子は、前記機械室内に貯留されているオイルの液面より上方に配置されている請求項5又は6に記載の駆動装置。
- 前記接続端子は、少なくとも前記隔壁を貫通する部分の外周に絶縁部材を有し、当該絶縁部材と前記隔壁との間にシール部材が配置されている請求項5から7のいずれか一項に記載の駆動装置。
- 前記回転電機の回転を前記ケースの外部に出力する出力機構を更に備え、
前記出力機構は、前記回転電機に隣接して配置されているとともに、その出力軸が前記回転電機の軸より下方に配置され、
前記制御装置は、前記回転電機の下方であって、前記出力機構と上下方向に重複する位置に配置されている請求項1から8のいずれか一項に記載の駆動装置。 - 前記電気室は、下方に開口する第二開口部を有し、この第二開口部は第二カバーにより覆われている請求項9に記載の駆動装置。
- 前記回転電機を第一回転電機とし、
前記第一回転電機に隣接して前記機械室内に配置される第二回転電機を更に備え、
前記第一回転電機と前記第二回転電機とは、軸方向に重複する位置に配置されている請求項1から10のいずれか一項に記載の駆動装置。 - 前記ケースは、エンジンに連結される連結部を前記回転電機の軸方向他端側に有し、
前記連結部は、車両に横置きされるエンジンの軸方向に連結される請求項1から11のいずれか一項に記載の駆動装置。
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JP2009254144A (ja) | 2009-10-29 |
DE112009000057T5 (de) | 2010-10-14 |
US8344566B2 (en) | 2013-01-01 |
US20090251018A1 (en) | 2009-10-08 |
CN101884157A (zh) | 2010-11-10 |
JP5062484B2 (ja) | 2012-10-31 |
CN101884157B (zh) | 2013-03-20 |
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