WO2013046412A1 - モータ駆動装置および車両 - Google Patents
モータ駆動装置および車両 Download PDFInfo
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- WO2013046412A1 WO2013046412A1 PCT/JP2011/072477 JP2011072477W WO2013046412A1 WO 2013046412 A1 WO2013046412 A1 WO 2013046412A1 JP 2011072477 W JP2011072477 W JP 2011072477W WO 2013046412 A1 WO2013046412 A1 WO 2013046412A1
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- WIPO (PCT)
- Prior art keywords
- case
- motor
- unit
- case portion
- winding
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- 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
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- 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
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- 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
-
- 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
- H02K5/15—Mounting arrangements for bearing-shields or end plates
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- 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
- H02K9/00—Arrangements for cooling or ventilating
-
- 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
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the present invention relates to a motor drive device and a vehicle, and more particularly to a motor drive device and a vehicle including a motor including a high-speed drive winding and a low-speed drive winding.
- a motor driving device including a motor including a high-speed driving winding and a low-speed driving winding is known.
- Such a motor drive device is disclosed in, for example, Japanese Patent Application Laid-Open No. 2010-17055.
- Japanese Patent Application Laid-Open No. 2010-17055 discloses a motor including a high-speed driving winding and a low-speed driving winding, a winding switching unit that switches a connection state between two windings of the motor, and an inverter connected to the motor A motor drive device provided with (electric power conversion part) is indicated.
- a motor, a winding switching unit, and a power conversion unit as disclosed in JP 2010-17055 A
- a motor, a winding switching unit, a power conversion unit are housed in separate case parts and installed separately.
- the present invention has been made to solve the above-described problems, and one object of the present invention is to provide a motor drive device and a vehicle that can save space.
- a motor driving apparatus includes a motor including a high-speed driving winding and a low-speed driving winding, and a high-speed driving winding and a low-speed driving winding of the motor.
- a winding switching unit that switches the connection state, a power conversion unit that is connected to the motor, and a plurality of case units that accommodate at least the motor, the winding switching unit, and the power conversion unit, and a plurality of case units Are connected to each other.
- a plurality of case portions that accommodate at least the motor, the winding switching portion, and the power conversion portion are provided, and the plurality of case portions are coupled to each other.
- a plurality of case parts accommodating at least the motor, the winding switching part and the power conversion part can be combined and integrated with each other, so that at least the motor, the winding switching part and the power conversion part are accommodated.
- Generation of a dead space between the case portions can be suppressed.
- space saving can be achieved.
- a vehicle includes a vehicle main body portion and a motor driving portion provided inside the vehicle main body portion, and the motor driving portion includes a high-speed driving winding and a low-speed driving winding.
- a winding switching unit that switches a connection state between the high-speed driving winding and the low-speed driving winding of the motor, a power conversion unit connected to the motor, and at least the motor, the winding switching unit, and the power conversion unit.
- a plurality of case portions to be accommodated, and the plurality of case portions are coupled to each other.
- a plurality of case portions that accommodate at least the motor, the winding switching portion, and the power conversion portion of the motor driving portion are provided, and the plurality of case portions are coupled to each other.
- a plurality of case parts accommodating at least the motor, winding switching part and power conversion part of the motor driving part can be combined and integrated with each other, so that at least the motor, winding switching part and It can suppress that a dead space arises between each case part in which a power converter part is accommodated.
- FIG. 1 is a block diagram illustrating an overall configuration of a vehicle according to an embodiment of the present invention.
- 1 is a perspective view illustrating an overall configuration of a motor driving unit according to an embodiment of the present invention.
- FIG. 3 is an exploded perspective view of the motor driving unit shown in FIG. 2.
- FIG. 4 is an exploded perspective view of the motor driving unit shown in FIG. 3 as viewed from the side opposite to FIG. 3. It is the perspective view which showed the 1st case part among the motor drive parts shown in FIG. It is the perspective view which looked at the 1st case part shown in FIG. 5 from the opposite side to FIG. It is the figure which looked at the 1st case part shown in FIG.5 and FIG.6 planarly from the arrow A1 direction side.
- FIG. 5 is a block diagram illustrating an overall configuration of a vehicle according to an embodiment of the present invention.
- FIG. 3 is an exploded perspective view of the motor driving unit shown in FIG. 2.
- FIG. 4 is an exploded perspective view of the motor driving unit
- FIG. 6 is a perspective view for explaining a first cooling pipe provided inside the first case portion shown in FIG. 5. It is the perspective view which showed the 2nd case part among the motor drive parts shown in FIG. It is the perspective view which looked at the 2nd case part shown in FIG. 9 from the opposite side to FIG. It is the figure which looked at the 2nd case part shown in FIG.9 and FIG.10 planarly from the arrow A1 direction side. It is the figure which looked at the 2nd case part shown in FIG.9 and FIG.10 planarly from the arrow A2 direction side.
- FIG. 10 is a perspective view illustrating a state in which the inverter module is removed from the second case unit illustrated in FIG. 9.
- FIG. 3 is a perspective view for explaining a connection relation of each part inside the motor driving unit shown in FIG. 2.
- FIG. 1 is a representative example of the configuration of a vehicle including a winding switching type motor drive unit, and the present invention is not limited to this.
- the vehicle 100 includes a vehicle main body 101, a motor driving unit 10 provided inside the vehicle main body 101, and a battery unit 20 connected to the motor driving unit 10.
- the motor drive unit 10 is an example of the “motor drive device” in the present invention.
- the motor drive unit 10 is configured to include an inverter unit 1, a smoothing capacitor 2, a motor 3, a winding switching unit 4, a control unit 5, and a power supply unit 6.
- the inverter unit 1 is an example of the “power conversion unit” in the present invention.
- the inverter unit 1 is configured to convert the DC power input from the battery unit 20 into AC power of three phases (U phase, V phase, and W phase) and output it to the motor 3. Further, the inverter unit 1 has DC input terminals TP1 and TN1 connected to the battery unit 20 and AC output terminals TU1, TV1 and TW1 connected to the motor 3. The terminals TP2 and TN2 of the smoothing capacitor 2 are connected to the DC input terminals TP1 and TN1 of the inverter unit 1, respectively. The smoothing capacitor 2 is provided to smooth DC power input from the battery unit 20.
- the inverter unit 1 is configured to include six switch elements Q1, Q2, Q3, Q4, Q5 and Q6 for power conversion.
- Switch elements Q1 and Q2 are configured to perform U-phase power conversion.
- the switch elements Q3 and Q4 are configured to perform V-phase power conversion.
- Switch elements Q5 and Q6 are configured to perform W-phase power conversion.
- the switch elements Q1 to Q6 are each made of a semiconductor made of SiC.
- the motor 3 is configured to be driven corresponding to the three-phase AC power supplied from the inverter unit 1.
- the motor 3 includes a three-phase winding 3a for high-speed driving and a three-phase winding 3b for low-speed driving.
- the windings 3a and 3b are examples of the “high-speed driving winding” and the “low-speed driving winding” in the present invention, respectively.
- the windings 3a and 3b are electrically connected in series.
- Terminals TU2, TV2 and TW2 of each phase (U phase, V phase and W phase) on one side of winding 3a are connected to inverter unit 1.
- the terminals TU3, TV3, and TW3 of each phase on the other side of the winding 3a and on one side of the winding 3b are connected to a diode bridge DB1 described later of the winding switching unit 4.
- the terminals TU4, TV4, and TW4 on the other side of the winding 3b are connected to a diode bridge DB2 described later of the winding switching unit 4.
- the winding switching unit 4 has a function of switching the connection state of the windings 3 a and 3 b of the motor 3.
- the winding switching unit 4 includes a high-speed winding switch SW1 for short-circuiting the terminals TU3, TV3, and TW3 of the motor 3, and a low-speed winding for short-circuiting the terminals TU4, TV4, and TW4 of the motor 3.
- the line changeover switch SW2 is included.
- Each of the high-speed winding changeover switch SW1 and the low-speed winding changeover switch SW2 is an example of the “switch element” in the present invention.
- Each of the high-speed winding changeover switch SW1 and the low-speed winding changeover switch SW2 is made of a semiconductor made of SiC.
- the winding switching unit 4 includes a diode bridge DB1 having terminals TU5, TV5, and TW5 connected to terminals TU3, TV3, and TW3 of the motor 3, respectively, and a capacitor C1 for protecting the winding 3a of the motor 3. It is comprised so that it may contain. Note that the high-speed winding changeover switch SW1, the diode bridge DB1, the capacitor C1, and the smoothing capacitor 2 are electrically connected to each other in parallel.
- the winding switching unit 4 includes a diode bridge DB2 having terminals TU6, TV6, and TW6 connected to terminals TU4, TV4, and TW4 of the motor 3, respectively, and a capacitor C2 for protecting the winding 3b of the motor 3. It is comprised so that it may contain.
- the low-speed winding changeover switch SW2, the diode bridge DB2, the capacitor C2, and the smoothing capacitor 2 are electrically connected to each other in parallel.
- the diode bridge DB1 includes six diodes D11, D12, D13, D14, and D15 for rectifying three-phase (U-phase, V-phase, and W-phase) alternating currents output from the terminals TU3, TV3, and TW3 of the motor 3. And D16.
- Diodes D11 and D12 are configured to rectify U-phase alternating current.
- the diodes D13 and D14 are configured to rectify V-phase alternating current.
- the diodes D15 and D16 are configured to rectify W-phase alternating current.
- Two diodes D17 and D18 are provided on the DC output side of the diode bridge DB1.
- the diode bridge DB2 includes six diodes D21, D22, D23, for rectifying three-phase (U-phase, V-phase, and W-phase) alternating currents output from the terminals TU4, TV4, and TW4 of the motor 3. It is comprised by D24, D25, and D26. Diodes D21 and D22 are configured to rectify U-phase alternating current. The diodes D23 and D24 are configured to rectify V-phase alternating current. The diodes D25 and D26 are configured to rectify W-phase alternating current. Two diodes D27 and D28 are provided on the DC output side of the diode bridge DB2.
- the control unit 5 outputs control signals (inverter control signal, high-speed winding switching control signal and low-speed winding switching control signal) to the inverter unit 1 and the winding switching unit 4, so that the inverter unit 1 and the winding switching unit 4 is performed.
- the power source unit 6 includes a power source (inverter gate power source) for operating the switch elements Q1 to Q6 of the inverter unit 1, and a high-speed winding switching switch SW1 and a low-speed winding switching switch SW2 of the winding switching unit 4. Power supplies for operation (high-speed winding switching gate power source and low-speed winding switching gate power source) are configured to be supplied to the inverter unit 1 and the winding switching unit 4, respectively.
- the motor drive unit 10 includes a first case unit 11 in which the motor 3 is accommodated, a second case unit 12 in which the inverter unit 1 and the winding switching unit 4 are accommodated, A third case part 13 in which the capacitor 2, the control part 5 and the power supply part 6 are accommodated, and a fourth case part 14 disposed between the first case part 11 and the second case part 12 are provided.
- the 1st case part 11, the 4th case part 14, the 2nd case part 12, and the 3rd case part 13 are formed with metals, such as aluminum.
- the first case portion 11, the second case portion 12, the third case portion 13, and the fourth case portion 14 are examples of the “case portion” in the present invention.
- the 1st case part 11, the 4th case part 14, the 2nd case part 12, and the 3rd case part 13 are along the direction (the axial direction (A direction) of the motor 3) of the rotating shaft 31 which the motor 3 mentions later. They are arranged in this order. As shown in FIGS. 3 and 4, the first case portion 11, the fourth case portion 14, the second case portion 12, and the third case portion 13 are formed in a cylindrical shape that extends along the A direction. . In addition, the 1st case part 11, the 4th case part 14, the 2nd case part 12, and the 3rd case part 13 which were formed in the cylindrical shape have the mutually substantially equal outer diameter.
- the first case portion 11, the fourth case portion 14, the second case portion 12 and the third case portion 13 are provided with hexagon socket screws 41, 42. And 43 by being fastened to each other in the A direction.
- the first case portion 11 and the fourth case portion 14 are coupled to each other by being fastened by a hexagon socket screw 41.
- the fourth case portion 14 and the second case portion 12 are coupled by being fastened to each other by a hexagon socket screw 42.
- the second case portion 12 and the third case portion 13 are coupled by being fastened together by a hexagon socket screw 43.
- the hexagon socket screws 41 to 43 are examples of the “fastening member” in the present invention.
- the third case portion 13 has a third case portion 13 on the side opposite to the first case portion 11, the second case portion 12 and the fourth case portion 14 (arrow A1 direction side).
- a disc-shaped first lid portion 15 configured to seal the case portion 13 is provided.
- the fourth case portion 14 is provided with three substantially rectangular second lid portions 16 that are openable and closable so as to cover openings 141c and 141d (described later) of the fourth case portion 14.
- the third case portion 13 and the first lid portion 15 are coupled to each other by being fastened together by a screw member 44.
- the fourth case portion 14 and the second lid portion 16 are coupled to each other by being fastened by a screw member 45.
- the first case portion 11, the fourth case portion 14, the second case portion 12, and the third case portion 13 are connected to each other, and the third case portion 13
- the portion between the first lid portion 15 and the portion between the fourth case portion 14 and the second lid portion 16 are liquids having a waterproof function. It is sealed with a sealing member 50 formed by applying and drying the sealing agent.
- the first case portion 11 is provided on the cylindrical side surface portion 111 extending in the A direction (the axial direction of the motor 3) and the end portion of the side surface portion 111 on the arrow A2 direction side. And a bottom surface portion 112.
- the side surface portion 111 has a hexagon socket head screw 41 (FIG. 3 and FIG. 4) for screwing the first case portion 11 and the fourth case portion 14.
- a screw hole 111a that is screwed into (see) is provided.
- the screw hole 111a is provided so as to extend in the arrow A2 direction from the end surface of the side surface portion 111 in the arrow A1 direction. Further, as shown in FIG.
- the screw holes 111 a are formed in a plurality (five in this embodiment) of screw insertion holes 141 a (see FIG. 23) provided in a side surface portion 141 described later of the fourth case portion 14.
- a plurality (five in the present embodiment) are provided at intervals along the circumferential direction.
- a breathing valve (not shown) is provided to suppress this.
- the motor 3 accommodated in the first case portion includes a rotating shaft 31, a rotor core 32, and a stator core 33.
- the rotating shaft 31 is provided in the vicinity of the central portion of the motor 3 so as to penetrate the bottom surface portion 112 and extend in the A direction.
- the rotor core 32 is provided so as to surround the rotating shaft 31.
- the stator core 33 is disposed so as to face the outer peripheral portion of the rotor core 32.
- a plurality of slots 34 are provided on the inner peripheral side of the stator core 33. Inside the plurality of slots 34, a winding 3a for high-speed driving and a winding 3b for low-speed driving (see FIG. 1) are wound and accommodated by lap winding or the like.
- the motor 3 accommodated in the first case portion 11 includes terminals TU2, TV2, TW2, TU3, TV3, TW3, TU4, TV4, and TW4 of the windings 3a and 3b.
- Nine connection wirings 62 having nine connection terminal portions 61 corresponding to (see FIG. 1) are connected. These nine connection wirings 62 are provided so as to protrude from the end surface on the arrow A1 direction side of the first case portion 11 and extend in the A direction.
- the first case portion 11 is provided with a first cooling pipe 113 through which a coolant for cooling the motor 3 flows.
- One end (the end on the side into which the coolant flows) and the other end (the end on the side from which the coolant flows) of the first cooling pipe 113 are in the vicinity of the end of the side surface 111 on the arrow A1 direction side. And it protrudes outward from the surface on the arrow C2 direction side.
- the first cooling pipe 113 is an example of the “first cooling section” in the present invention.
- the first cooling pipe 113 is provided over the entire inside of the side surface portion 111 so as to surround the space inside the side surface portion 111 (the space in which the motor 3 is accommodated) circumferentially.
- the first cooling pipe 113 has a plurality of linear portions extending in the A direction from the vicinity of the end portion on the arrow A1 direction side to the vicinity of the end portion on the arrow A2 direction side inside the side surface portion 111. Is formed.
- the plurality of linear portions extending in the A direction are alternately bent and connected to each other at the end on the arrow A1 direction side and the end on the arrow A2 direction side. Thereby, a series of flow paths through which the coolant flows from one end of the first cooling pipe 113 to the other end is configured.
- the second case portion 12 includes a cylindrical side surface portion 121 extending in the A direction (the axial direction of the motor 3), and along a surface orthogonal to the A direction (the B direction and the C direction).
- Disc-shaped first partition wall 122 extending along the direction).
- the first partition 122 is disposed at the end of the side surface 121 on the arrow A2 direction side.
- a hexagon socket head screw 42 (see FIGS. 3 and 4) for screwing the second case portion 12 and the fourth case portion 14 is inserted into the side surface portion 121.
- a screw insertion hole 121a is provided.
- the screw insertion hole 121a is provided so as to penetrate the side surface portion 121 in the A direction.
- the screw insertion hole 121a has a plurality of (seven in this embodiment) provided in a side surface portion 141 described later of the fourth case portion 14 when viewed from the axial direction of the motor 3.
- a plurality (seven in this embodiment) are provided at intervals along the circumferential direction so as to correspond to the screw holes 141b (see FIG. 23).
- a hexagon socket screw 43 (FIG. 3 and FIG. 4) is attached to the side surface portion 121 for screwing the second case portion 12 and the third case portion 13.
- a screw hole 121b is provided to be screwed with the screw.
- the screw hole 121b is provided so as to extend in the arrow A2 direction from the end surface of the side surface part 121 in the arrow A1 direction.
- the screw hole 121b has a plurality (six in this embodiment) of screw insertion holes 131a (FIGS. 17 and 18) provided in a side surface portion 131 to be described later of the third case portion 13.
- a plurality (six in this embodiment) are provided at intervals along the circumferential direction.
- a breathing valve (not shown) is provided for suppressing damage to the electronic components to be installed.
- the first partition wall 122 is provided to isolate the winding switching unit 4 and the inverter unit 1 in the second case unit 12.
- electronic components including switch elements Q1 to Q6 (see FIG. 1) are mounted on the wiring board on the surface of the first partition 122 on the arrow A1 direction side.
- the inverter module 1a is arranged, and the inverter unit 1 is configured.
- the wiring board includes an electron including a high-speed winding switch SW1 and a low-speed winding switch SW2 (see FIG. 1).
- the inverter part 1 is arrange
- the winding switching unit 4 is disposed in a region opposite to the inverter unit 1 (arrow A2 direction side) with respect to the first partition 122 of the second case unit 12.
- an insulating heat dissipating sheet may be provided in a portion between the switch elements Q1 to Q6 of the inverter module 1a and the surface of the first partition 122 on the arrow A1 direction side.
- the inverter module 1a is provided with three plate-like connection terminal portions 63 corresponding to the terminals TU1, TV1 and TW1 (see FIG. 1) of the inverter portion 1. These three connection terminal portions 63 are provided so as to protrude from the end surface on the arrow C1 direction side of the inverter module 1a.
- a pair of connection terminal portions 64 corresponding to the terminals TP1 and TN1 (see FIG. 1) of the inverter portion 1 are disposed adjacent to the inverter module 1a on the surface of the first partition 122 on the arrow A1 direction side. Yes.
- connection terminal portion 64 has a portion extending in the axial direction (A direction), and one end side and the other end side are each formed in a U shape extending in the C direction.
- a direction axial direction
- the connection terminal portion 64 has a portion on one end side of the connection terminal portion 64 (a long portion extending in the C direction on the arrow A2 direction side) is disposed on the surface of the first partition 122 on the arrow A1 direction side.
- the portion on the other end side of the connection terminal portion 64 (a short portion extending in the C direction on the arrow A1 direction side) will be described later of the smoothing capacitor 2 accommodated in the third case portion 13. It is configured to be electrically connected to the plate-like connection terminal portion 66 by screwing.
- the winding switching module 4a has six connections corresponding to terminals TU5, TV5, TW5, TU6, TV6 and TW6 (see FIG. 1) of the winding switching unit 4.
- a terminal portion 65 is provided. Three of these six connection terminal portions 65 are arranged on each of the arrow B1 direction side and the arrow B2 direction side on the surface of the winding switching module 4a on the arrow A2 direction side.
- connection terminal portion 65 is formed in an L shape having a portion extending in the A direction and a portion extending in the B direction.
- a portion extending in the B direction of the connection terminal portion 65 is disposed on the surface of the winding switching module 4a on the arrow A2 direction side.
- the portion extending in the A direction of the connection terminal portion 65 includes a connection terminal portion 61 and a screw corresponding to the terminals TU3, TV3, TW3, TU4, TV4, and TW4 (see FIG. 1) of the motor 3. It is configured to be electrically connected by being stopped.
- the second case portion 12 includes an inverter module 1a (inverter portion 1) and a winding switching module disposed on the surface of the first partition wall 122.
- a second cooling pipe 123 for cooling 4a (winding switching unit 4) is provided.
- One end of the second cooling pipe 123 (the end on the side into which the coolant flows) and the other end (the end on the side from which the coolant flows) are near the center of the side surface 121 in the C direction. And it protrudes outside from the surface of the arrow B2 direction side.
- the second cooling pipe 123 is an example of the “second cooling section” in the present invention.
- the second cooling pipe 123 has a U-shaped portion extending from the end on the arrow B2 direction side to the vicinity of the end on the arrow B1 direction inside the first partition wall 122. Is formed. Thereby, a series of flow paths in which the coolant flows from one end of the second cooling pipe 123 to the other end is configured.
- one end of the second cooling pipe 123 of the second case portion and the other end of the first cooling pipe 113 of the first case portion 11 are connected to each other by a connecting portion 70 made of a tube or the like. Are connected to each other.
- the second cooling pipe 123 overlaps with the switching elements Q1 to Q6 (see FIG. 1) of the inverter unit 1 mounted on the inverter module 1a when viewed from the axial direction of the motor 3. It is provided as follows. As shown in FIG. 12, the second cooling pipe 123 includes a high-speed winding switch SW1 and a low-speed winding of the winding switching unit 4 mounted on the winding switching module 4a as viewed from the axial direction of the motor 3. It is provided so as to overlap with the changeover switch SW2.
- the switch elements Q1 to Q6 are indicated by a dashed-dotted rectangle.
- the high-speed winding changeover switch SW1 and the low-speed winding changeover switch SW2 are indicated by a two-dot chain line rectangle.
- the first partition wall 122 has a first hole for allowing the wiring connected to the inverter unit 1 of the inverter module 1a and the winding switching unit 4 of the winding switching module 4a to pass therethrough.
- Three 122a are provided.
- the first case portion 11, the fourth case portion 14, and the second case portion 12 are coupled to one first hole portion 122 a provided in the vicinity of the end portion on the arrow C ⁇ b> 1 direction side of the first partition wall 122.
- the two first holes 122a provided near the end of the first partition wall 122 on the arrow B1 direction side transmit the control signal from the control unit 5 to the inverter unit 1 and the winding switching unit 4.
- the wiring (not shown) and the like are provided.
- two concave portions 122b are provided on the surface of the first partition wall 122 on the arrow A2 direction side.
- two capacitor modules 4b corresponding to capacitors C1 and C2 are arranged. Is done.
- the third case portion 13 includes a cylindrical side surface portion 131 extending in the A direction (the axial direction of the motor 3), and along a plane orthogonal to the A direction (the B direction and the C direction). Disk-shaped second partition wall 132 extending in the direction). Note that, as shown in FIGS. 19 and 20, the second partition wall 132 extends in a planar shape in the B direction and the C direction inside the side surface portion 131.
- a hexagon socket head screw 43 (see FIGS. 3 and 4) for screwing the third case portion 13 and the second case portion 12 is inserted into the side surface portion 131.
- a screw insertion hole 131a is provided.
- the screw insertion hole 131a is provided so as to penetrate the side surface portion 131 in the A direction.
- the screw insertion hole 131 a has a plurality (six in this embodiment) of screw holes 121 b (see FIG. 11) provided in the side surface portion 121 of the second case portion 12.
- a plurality (six in this embodiment) are provided at intervals along the circumferential direction.
- a screw member 44 for screwing the third case portion 13 and the first lid portion 15 to the side surface portion 131 As shown in FIGS. 15, 17, and 19, a screw member 44 for screwing the third case portion 13 and the first lid portion 15 to the side surface portion 131 (see FIGS. 3 and 4).
- a screw hole 131b is provided for screwing into the screw hole 131b.
- the screw hole 131b is provided so as to extend in the arrow A2 direction from the end surface of the side surface portion 131 in the arrow A1 direction.
- the screw holes 131b correspond to a plurality (eight in this embodiment) of screw insertion holes 15a (see FIGS. 3 and 4) provided in the first lid portion 15.
- a plurality (eight in the present embodiment) are provided at intervals along the circumferential direction.
- the side surface 131 has a control board 5 a (described later) disposed in the third case portion 13 and the entire vehicle 100 provided outside the motor driving unit 10.
- a through hole 131c is provided for allowing the connection wiring 60 to connect to the control unit (not shown) to pass therethrough.
- the part which the connection wiring 60 penetrates among the side parts 131 of the 3rd case part 13 is sealed with the sealing agent.
- a breathing valve (not shown) is provided for suppressing damage to the electronic components to be installed.
- the second partition wall 132 is provided in the third case portion 13 to isolate the smoothing capacitor 2 and the control portion 5 from the power source portion 6.
- the smoothing capacitor 2 in which a film capacitor or an electrolytic capacitor is incorporated and the control unit 5 are mounted on the surface of the second partition wall 132 on the arrow A1 direction side.
- the control board 5a is disposed adjacent to the B direction.
- a power supply board 6 a on which the power supply unit 6 is mounted is disposed on the surface of the second partition wall 132 on the arrow A2 direction side.
- the smoothing capacitor 2 and the control unit 5 are located in a region opposite to the motor 3, the winding switching unit 4 and the inverter unit 1 (arrow A1 direction side) with respect to the second partition wall 132 of the third case unit 13.
- the power supply unit 6 is arranged in a region opposite to the smoothing capacitor 2 and the control unit 5 (arrow A2 direction side) with respect to the second partition wall 132 of the third case unit 13.
- the smoothing capacitor 2 is provided with two plate-like connection terminal portions 66 corresponding to the terminals TP2 and TN2 (see FIG. 1). These two connection terminal portions 66 are provided so as to protrude from the surface on the arrow B2 direction side of the smoothing capacitor 2 having a rectangular parallelepiped shape. As shown in FIG. 24, the connection terminal portion 66 is a portion on the other end side of the pair of connection terminal portions 64 corresponding to the terminals TP1 and TN1 (see FIG. 1) of the inverter portion 1 (on the arrow A2 direction side). A short portion extending in the direction B) is electrically connected by screwing. Further, as shown in FIGS. 15 and 17, a connection wiring 67 connected to the battery unit 20 (see FIG.
- connection terminal unit 66 1 is screwed to the connection terminal unit 66.
- connection wirings 67 are provided in the vicinity of the center portion in the C direction of the side surface portion 131 of the third case portion 13 so as to penetrate the portion on the arrow B2 direction side and extend in the B direction.
- the part which the connection wiring 67 penetrates among the side parts 131 of the 3rd case part 13 is sealed with the sealing agent.
- the second partition wall 132 of the third case portion 13 is connected to the control unit 5 mounted on the control board 5a and the power supply unit 6 mounted on the power supply board 6a.
- Three second holes 132a are provided for allowing the wiring to be connected to pass therethrough.
- one second hole 132a provided near the end of the second partition wall 132 on the arrow B2 direction side is connected to the second case portion 12 and the third case portion 13.
- the two second holes 132a provided in the vicinity of both ends in the C direction of the second partition wall 132 pass through wiring (not shown) for transmitting a control signal from the control unit 5 or the like. It is provided to make it.
- the fourth case portion 14 is provided at the cylindrical side surface portion 141 extending in the A direction (axial direction of the motor 3) and the end portion of the side surface portion 141 on the arrow A2 direction side. And a bottom surface portion 142. As shown in FIGS. 21 to 23, at the center portion of the bottom surface portion 142, the end portion on the arrow A1 direction side of the rotating shaft 31 of the motor 3 housed in the first case portion 11 (see FIG. 5). A bearing 142a to be connected is provided.
- a hexagon socket head screw 41 (see FIGS. 3 and 4) for screwing the fourth case portion 14 and the first case portion 11 is inserted into the side surface portion 141.
- Screw insertion hole 141a is provided.
- the screw insertion hole 141a is provided so as to penetrate the side surface portion 141 in the A direction.
- the screw insertion holes 141a correspond to a plurality (five in this embodiment) of screw holes 111a (see FIG. 7) provided in the side surface portion 111 of the first case portion 11.
- a plurality (five in this embodiment) are provided at intervals along the circumferential direction.
- a hexagon socket head screw 42 (see FIGS. 3 and 4) for screwing the fourth case portion 14 and the second case portion 12 is provided on the side surface portion 141.
- a screw hole 141b to be screwed is provided.
- the screw hole 141b is provided so as to extend in the arrow A2 direction from the end surface of the side surface part 141 in the arrow A1 direction.
- the screw hole 141b corresponds to a plurality (seven in this embodiment) of screw insertion holes 121a (see FIG. 11) provided in the side surface portion 121 of the second case portion 12.
- a plurality are provided at intervals along the circumferential direction.
- a breathing valve (not shown) is provided to suppress this.
- the fourth case portion 14 has an L-shaped configuration having a portion extending in the A direction and a portion extending in the C direction.
- a connection terminal portion 68 is provided.
- the portion extending in the C direction of the connection terminal portion 68 is an insulating member (not shown) made of resin on the surface of the bottom surface portion 142 of the fourth case portion 14 on the arrow A1 direction side. Z).
- the portion extending in the A direction of the connection terminal portion 68 is connected to the terminals TU2, TV2 and TW2 (FIG. 1) of the motor 3 when the first case portion 11 and the fourth case portion 14 are coupled. It is configured to be electrically connected by screwing to the three connection terminal portions 61 corresponding to the reference). Further, the portion extending in the A direction of the connection terminal portion 68 is connected to the L-shaped connection terminal portion 69 and the screw when the first case portion 11, the fourth case portion 14, and the second case portion 12 are coupled. Thus, the connection terminal portion 69 is electrically connected to the connection terminal portion 63 corresponding to the terminals TU1, TV1, and TW1 (see FIG.
- connection terminal portion 69 1) of the inverter portion 1 of the second case portion 12 through the connection terminal portion 69. It is configured. Thereby, in this embodiment, when the 1st case part 11, the 4th case part 14, and the 2nd case part 12 are couple
- 6 connection terminal portions 65 corresponding to 1) are accommodated in a state where they are screwed together. That is, in the present embodiment, when the first case portion 11, the fourth case portion 14, and the second case portion 12 are coupled, the motor 3 and the winding switching portion 4 are disposed inside the fourth case portion 14. Connection terminal portions 61 and 65 for electrical connection are accommodated.
- the side surface portion 141 of the fourth case portion 14 is provided with openings 141c and 141d having a rectangular shape.
- One opening 141c is provided in the vicinity of the central portion in the B direction of the side surface portion 141 and at a portion on the arrow C1 direction side.
- One opening 141d is provided in the vicinity of the central portion in the C direction of the side surface portion 141, and at each of the portions on the arrow B1 direction side and the arrow B2 direction side.
- three plate-like second lid portions 16 are attached to the side surface portion 141 of the fourth case portion 14 so as to cover the openings 141c and 141d.
- the second lid portion 16 is configured to be screwed to the side surface portion 141 by a screw member 45.
- the opening 141c is provided in a portion corresponding to the connection terminal portions 68 and 69 accommodated in the fourth case portion 14 when the fourth case portion 14 and the second case portion 12 are coupled. It has been. Thereby, when the 4th case part 14 and the 2nd case part 12 are couple
- the opening 141 d has a connection terminal portion 61 that is accommodated in the fourth case portion 14 when the first case portion 11, the fourth case portion 14, and the second case portion 12 are coupled. And 65 are provided.
- the first case portion 11, the fourth case portion 14, and the second case portion 12 are coupled, they correspond to the terminals TU3, TV3, TW3, TU4, TV4, and TW4 (see FIG. 1) of the motor 3. Screwing operation of the six connection terminal portions 61 and the six connection terminal portions 65 corresponding to TU5, TV5, TW5, TU6, TV6, and TW6 (see FIG. 1) of the winding switching portion 4 is performed in the opening 141d. It is possible to carry out from the outside of the fourth case part 14 via
- the first case part 11 in which the motor 3 is accommodated and the fourth case part 14 are coupled by fastening them in the A direction using a hexagon socket screw 41.
- the positions of the screw insertion holes 141a of the fourth case part 14 and the screw holes 111a of the first case part 11 are aligned.
- the hexagon socket head screw 41 is inserted into the screw insertion hole 141a, and the hexagon socket head screw 41 is screwed into the screw hole 111a.
- the sealing member 50 is formed by applying a liquid sealing agent to the boundary portion between the first case portion 11 and the fourth case portion 14 (see the hatched portion in FIGS. 3 and 4) and drying it. Form.
- the end of the rotating shaft 31 of the motor 3 on the arrow A1 direction side is connected to the bearing 142a of the bottom surface portion 142 of the fourth case portion 14.
- connection terminal portions 61 corresponding to the terminals TU2, TV2 and TW2 (see FIG. 1) of the motor 3 are connected to the third hole portion 142b of the fourth case portion 14. And introduced into the fourth case portion 14. And the connection terminal part 61 introduced in this way and the connection terminal part 68 attached to the inside of the fourth case part 14 via an insulating member (not shown) are connected by screwing.
- the six connection terminal portions 61 corresponding to the terminals TU3, TV3, TW3, TU4, TV4, and TW4 (see FIG. 1) of the motor 3 are also connected to the fourth case portion 14 through the third hole portion 142c. Introduce inside.
- the fourth case portion 14 in a state of being coupled to the first case portion 11 and the second case portion 12 to which the inverter module 1 a and the winding switching module 4 a are attached. They are coupled by fastening in the A direction using a hexagon socket head screw 42. Specifically, first, the positions of the screw insertion holes 121a of the second case portion 12 and the screw holes 141b of the fourth case portion 14 are aligned. Then, the hexagon socket head screw 42 is inserted into the screw insertion hole 121a, and the hexagon socket head screw 42 is screwed into the screw hole 141b.
- the sealing member 50 is formed by applying a liquid sealing agent to the boundary portion between the second case portion 12 and the fourth case portion 14 (see the hatched portion in FIGS. 3 and 4) and drying it. Form.
- a connection terminal portion 63 corresponding to terminals TU1, TV1 and TW1 (see FIG. 1) of the inverter portion 1 of the inverter module 1a and an L-shaped connection terminal portion 69 are provided. Connect by screwing.
- connection terminal portion 69 connected to the connection terminal portion 63 corresponding to the terminals TU1, TV1 and TW1 (see FIG. 1) of the inverter portion 1, and the fourth case portion 14 are provided inside.
- the provided connection terminal portion 68 is connected by screwing through the opening 141c.
- the terminals TU1, TV1, and TW1 (see FIG. 1) of the inverter unit 1 and the terminals TU2, TV2, and TW2 (see FIG. 1) of the motor 3 are electrically connected.
- a connection terminal portion 65 corresponding to terminals TU5, TV5, TW5, TU6, TV6 and TW6 (see FIG.
- connection terminal portions 61 corresponding to TU4, TV4, and TW4 are connected by screwing through the opening 141d.
- the 2nd cover part 16 is attached to the 4th case part 14 using the screw member 45 so that the opening 141c and 141d may be covered.
- the liquid sealant is applied to the portion between the fourth case portion 14 and the second lid portion 16 (see the hatched portion in FIGS. 3 and 4) and dried, so that the seal member 50 is dried.
- the second case portion 12 coupled with the first case portion 11 and the fourth case portion 14, the smoothing capacitor 2, the control board 5 a and the power supply board 6 a are attached.
- the third case portion 13 is coupled by fastening in the A direction using a hexagon socket head screw 43. Specifically, first, the positions of the screw insertion holes 131a of the third case portion 13 and the screw holes 121b of the second case portion 12 are matched. Then, the hexagon socket head screw 43 is inserted into the screw insertion hole 131a, and the hexagon socket head screw 43 is screwed into the screw hole 121b.
- the sealing member 50 is formed by applying a liquid sealing agent to the boundary portion between the second case portion 12 and the third case portion 13 (see the hatched portion in FIGS. 3 and 4) and drying it. Form. Then, as shown in FIG. 24, the connection terminal portion 64 inside the second case portion 12 and the connection terminal portion 66 of the smoothing capacitor 2 inside the third case portion 13 are connected by screwing. At this time, the inverter module 1a and the winding switching module 4a in the second case portion 12 and the control board 5a and the power supply board 6a in the third case portion 13 are connected to the first hole portion 122a of the first partition wall 122. And it connects via the connection wiring (not shown) which let the 2nd hole part 132a of the 2nd partition 132 pass. Further, the connection wiring 60 in which the control board 5a and the control unit (not shown) of the entire vehicle 100 provided outside the motor driving unit 10 are passed through the through hole 131c of the side surface part 131 of the third case part 13. Connect through.
- the first case portion 11, the fourth case portion 14, and the third case portion 13 coupled to the second case portion 12 are sealed so that the arrow A1 direction side is sealed.
- the first lid portion 15 is attached to the three case portion 13. Specifically, first, the positions of the screw insertion holes 15 a of the first lid portion 15 and the screw holes 131 b of the third case portion 13 are aligned. Then, the screw member 44 is inserted into the screw insertion hole 15a, and the screw member 44 is screwed into the screw hole 131b. At this time, the liquid sealant is applied to the portion between the third case portion 13 and the first lid portion 15 (see the hatched portion in FIGS. 3 and 4) and dried, whereby the seal member 50 is removed. Form.
- the motor drive unit 10 (see FIG. 2) according to the embodiment of the present invention is assembled.
- the first case portion 11, the second case portion 12, the third case portion 13 and the fourth case portion 14 that house the inverter portion 1, the motor 3, and the winding switching portion 4 are provided.
- the first case portion 11, the fourth case portion 14, the third case portion 13 and the second case portion 12 are coupled to each other.
- the first case part 11, the second case part 12, the third case part 13 and the fourth case part 14 that house the inverter part 1, the motor 3, and the winding switching part 4 are coupled and integrated with each other. Therefore, it is possible to suppress the occurrence of dead space between the case portions in which the inverter unit 1, the motor 3, and the winding switching unit 4 are accommodated.
- the vehicle 100 capable of saving the space of the motor drive unit 10. In particular, this effect is effective in the vehicle 100 in which a large number of members need to be arranged in a limited arrangement space.
- the motor 3 is accommodated in the single first case portion 11 different from the inverter portion 1 and the winding switching portion 4.
- the inverter part 1 and the coil switching part 4 can be separated from the motor 3 which is a heat generating body, and it becomes difficult to receive the influence by heat, the inverter part 1 and the coil switching part 4 are operated favorably. be able to.
- disassembly and assembly are facilitated, so that maintenance work can be performed quickly (or maintenance work time). (Shortening).
- the motor 3 is accommodated in the first case portion 11 and the inverter portion 1 and the winding switching portion 4 are accommodated in the second case portion 12.
- a simple device outline including the inverter unit 1, the motor 2, and the winding switching unit 4 is formed. be able to.
- the first case 122 that isolates the inverter unit 1 and the winding switching unit 4 is provided in the second case unit 12.
- the inverter part 1 is arrange
- the winding switching unit 4 is arranged in a region opposite to the inverter unit 1 (arrow A2 direction side).
- the second case portion is separated from the inverter portion 1 and the winding switching portion 4 by using spaces (regions) on both sides (arrow A1 direction side and arrow A2 direction side) of the first partition wall 122. 12 can be easily arranged inside.
- the inverter unit 1 is disposed in a region opposite to the motor 3 (arrow A1 direction side) with respect to the first partition wall 122 of the second case unit 12, and with respect to the first partition wall 122 of the second case unit 12.
- the winding switching unit 4 By disposing the winding switching unit 4 in a region opposite to the inverter unit 1 (arrow A2 direction side), the number of terminals connected to the motor 3 (terminals TU1, TV1, and TW1 (see FIG.
- the inverter unit 1 having a smaller number than the winding switching unit 4 can be arranged at a position farther from the motor 3 and terminals (terminals TU5, TV5, TW5, TU6, TV6 and TW6 (connected to the motor 3)
- the winding switching unit 4 having a larger number of 6) than the inverter unit 1 can be disposed at a position closer to the motor 3 (see FIG. 1).
- the wiring connected to the inverter unit 1 and the winding switching unit 4 (for example, the connection terminal unit connected by being screwed to the connection terminal unit 63 of the inverter unit 1) 69 (see FIG. 24) and a first partition 122a through which a wiring (not shown) for transmitting a control signal from the control unit 5 to the inverter unit 1 and the winding switching unit 4 passes. 122.
- the wiring connected to the inverter part 1 and the coil switching part 4 can be accommodated in the 2nd case part 12 through the 1st hole part 122a, the inverter part 1 and the coil switching part It is not necessary to secure a space for arranging the wiring connected to 4 outside the second case portion 12. As a result, further space saving of the motor drive unit 10 can be achieved.
- the first case pipe 11 for cooling the motor 3, the inverter section 1, and the winding switching section are provided in the first case section 11 and the second case section 12, respectively.
- a second cooling pipe 123 for cooling 4 is provided. Accordingly, the motor 3 can be easily cooled by the first cooling pipe 113, and the inverter unit 1 and the winding switching unit 4 can be easily cooled by the second cooling pipe 123.
- the second switching element Q1 to Q6 of the inverter unit 1 and the high-speed winding switching switch SW1 and the low-speed winding switching switch SW2 of the winding switching unit 4 are overlapped with each other.
- a cooling pipe 123 is provided.
- the switch elements Q1 to Q6, which are heating elements, and the high-speed winding changeover switch SW1 and the low-speed winding changeover switch SW2 can be effectively cooled by the second cooling pipe 123.
- the control unit 5 in addition to the motor 3, the inverter unit 1, and the winding switching unit 4, the control unit 5 also includes the first case unit 11, the fourth case unit 14, and the second unit that are coupled to each other.
- the case portion 12 and the third case portion 13 are accommodated.
- a dedicated case part for accommodating the control part 5 there is a dead space between the case parts in which the inverter part 1, the motor 3, the winding switching part 4 and the control part 5 are accommodated. This can be further suppressed.
- the power source unit 6 is also coupled to the first case unit 11 and the fourth case unit. 14, and accommodated in the second case portion 12 and the third case portion 13.
- the inverter part 1, the motor 3, the winding switching part 4, the control part 5, and between the case parts in which the power supply part 6 are accommodated It is possible to further suppress the occurrence of dead space.
- control unit 5 and the power supply unit 6 are accommodated in the third case unit 13 as described above. Thereby, unlike the case where the control part 5 and the power supply part 6 are accommodated in two different case parts, the apparatus configuration can be simplified.
- the second case 132 is provided in the third case portion 13 to separate the control unit 5 and the power source unit 6.
- the control part 5 is arrange
- the power supply unit 6 is disposed in a region opposite to the control unit 5 (arrow A2 direction side) with respect to the second partition wall 132 of the unit 13.
- the control part 5 and the power supply part 6 are easily arranged inside the third case part 13 by using spaces (regions) on both sides (arrow A1 direction side and arrow A2 direction side) of the second partition wall 132. can do.
- the second partition wall 132 allows the control unit 5 to be separated from the motor 3, the inverter unit 1, and the winding switching unit 4, which are heating elements, so that the control unit 5 is not affected by heat. Can be operated.
- connection terminal portions 64 corresponding to the terminals TP1 and TN1 (see FIG. 1) of the inverter unit 1 (see FIG. 1) connected to the control unit 5 and the power supply unit 6, for example. 9, 11, and 24
- a second hole 132 a through which wiring (not shown) for transmitting a control signal from the control unit 5 passes is provided in the second partition wall 132.
- the smoothing capacitor 2 is arranged in a region on the same side (arrow A1 direction side) as the control unit 5 with respect to the second partition wall 132 of the third case unit 13.
- the smoothing capacitor 2 can be separated from the motor 3, the inverter unit 1, and the winding switching unit 4, which are heating elements, by the second partition wall 132, so that it is not easily affected by heat. It is possible to further improve the reliability (lifetime) by suppressing a decrease in performance due to heat.
- the third case part 13 that accommodates the motor 3 are coupled together along the direction (A direction) in which the rotation shaft 31 of the motor 3 extends.
- the first case portion 11, the second case portion 12, and the third case portion 13 are coupled to each other and configured in a linear shape extending along the direction (A direction) in which the rotation shaft 31 of the motor 3 extends. Therefore, the device configuration can be simplified.
- the first case portion 11, the second case portion 12, and the third case portion 13 are coupled to each other and are not configured linearly, it is possible to further suppress the occurrence of dead space.
- the first case portion 11, the second case portion 12, and the third case portion 13 extend along the direction (A direction) in which the rotation shaft 31 of the motor 3 extends. It is formed in a cylindrical shape. Thereby, the cylindrical first case part 11, second case part 12, and third case part 13 can be easily coupled along the direction (A direction) in which the rotation shaft 31 of the motor 3 extends.
- the first case part 11 is hermetically sealed on the opposite side (arrow A1 direction side) of the third case part 13 from the first case part 11 and the second case part 12.
- One lid 15 is provided.
- the first lid portion 15 can prevent foreign matter from entering from the opposite side (arrow A1 direction side) of the third case portion 13 to the first case portion 11 and the second case portion 12.
- the fourth case that accommodates the connection terminal portions 61, 65, 68, and 69 for electrically connecting the motor 3 to the inverter unit 1 and the winding switching unit 4.
- the connection terminal portions 61, 65, 68 and 69 for electrically connecting the motor 3 to the inverter portion 1 and the winding switching portion 4 can be accommodated in the fourth case portion 14. It is not necessary to secure a space for arranging the connection terminal portions 61, 65, 68 and 69 outside the fourth case portion 14. As a result, further space saving of the motor drive unit 10 can be achieved.
- the fourth case portion 14 between the first case portion 11 and the second case portion 12, the inverter portion 1 and the winding switching portion 4 housed in the second case portion 12, and the third Since the control unit 5 and the power supply unit 6 accommodated in the case unit 13 can be separated from the motor 3 which is a heating element accommodated in the first case unit 11 and can be made less susceptible to heat, the inverter unit 1, the winding switching unit 4, the control unit 5 and the power source unit 6 can be operated satisfactorily.
- the portion corresponding to the connection terminal portions 61, 68 and 69, and the portion corresponding to the connection terminal portions 61 and 65 Openings 141c and 141d are provided in each of them, and an openable / closable second lid portion 16 that covers the openings 141c and 141d is provided.
- an openable / closable second lid portion 16 that covers the openings 141c and 141d is provided.
- the first case portion 11, the fourth case portion 14, the second case portion 12, and the third case portion 13 are connected to each other, and the third case portion 13 A portion between the first lid portion 15 and a portion between the fourth case portion 14 and the second lid portion 16 (refer to the portion indicated by hatching in FIGS. 3 and 4) are sealed by the seal member 50.
- the first case portion 11, the fourth case portion 14, the second case portion 12, and the third case portion 13 that are coupled to each other by the seal member 50, the third case portion 13 and the first lid portion 15. It is possible to prevent foreign matter from entering from a portion between the fourth case portion 14 and the second lid portion 16.
- the switching elements Q1 to Q6 of the inverter unit 1 and the high-speed winding switch SW1 and the low-speed winding switch SW2 of the winding switching unit 4 are configured by a semiconductor made of SiC. .
- the switch elements Q1 to Q6, the high-speed winding switch SW1 and the low-speed winding switch SW2 are made of a semiconductor made of SiC having excellent heat resistance, so that the switching elements Q1 to Q6, the high-speed winding switch SW1 and For the heat generated by the operation of the low-speed winding switch SW2 itself and the heat transmitted from the windings 3a and 3b of the motor 3 via the connection wiring 62 and the like, the switching elements Q1 to Q6 of the inverter unit 1 and the winding The high-speed winding switch SW1 and the low-speed winding switch SW2 of the switching unit 4 can be operated satisfactorily.
- the first case portion 11, the fourth case portion 14, the second case portion 12, and the third case portion 13 are fastened to each other by the hexagon socket head screws 41 to 43. Join.
- the first case portion 11, the fourth case portion 14, the second case portion 12, and the third case portion 13 can be easily coupled by the hexagon socket head screws 41 to 43.
- the motor drive device of the present invention is applied to a motor drive unit mounted on a vehicle, but the present invention is not limited to this.
- the motor drive device of the present invention can also be applied to a general motor drive device other than a motor drive unit mounted on a vehicle.
- the control unit and the power source unit are also coupled to each other, the first case unit, the second case unit, and the third case unit.
- the fourth case portion four (plural) case portions
- the present invention is not limited to this.
- at least the motor, the winding switching unit, and the power conversion unit among the motor, the winding switching unit, the power conversion unit, the control unit, and the power supply unit are accommodated in a plurality of case units coupled to each other. Good.
- at least the motor, the winding switching unit, and the power conversion unit may be accommodated in two or three case units coupled to each other, or in five or more case units coupled to each other. It may be accommodated.
- the said embodiment showed the example which provides the 4th case part which accommodates the connection terminal part for taking an electrical connection with a motor, a coil
- the invention is not limited to this.
- only the first case portion, the second case portion, and the third case portion may be coupled to each other without providing the fourth case portion.
- the motor is housed in a single case part different from the winding switching part and the inverter part (power conversion part), but the present invention is not limited thereto.
- the motor and the winding switching unit may be housed in the same case unit, and the power conversion unit may be housed in a case unit different from the motor and the winding switching unit.
- the motor and the power conversion unit may be accommodated in the same case part, and the winding switching part may be accommodated in a case part different from the motor and the power conversion part.
- winding switching part and an inverter part (power conversion part) in the 2nd case part was shown in the said embodiment, this invention is not limited to this.
- one of the winding switching unit and the power conversion unit may be accommodated in the second case unit, and the other of the winding switching unit and the power conversion unit may be accommodated in a case unit other than the second case unit.
- winding switching part and an inverter part (electric power conversion part), and the 1st cooling pipe for cooling a motor Although the example which connects the other end part of (1st cooling part) was shown, this invention is not limited to this.
- the motor, the winding switching unit, and the power conversion unit may be separately cooled by the first cooling unit and the second cooling unit without connecting the first cooling unit and the second cooling unit, respectively. Good.
- first case portion, the second case portion, the third case portion, and the fourth case portion are coupled along the direction in which the rotation shaft of the motor extends.
- first case portion, the second case portion, the third case portion, and the fourth case portion may be coupled, for example, along a direction orthogonal to the direction in which the rotation shaft of the motor extends.
- the 1st case part, the 4th case part, the 2nd case part, and the 3rd case part each showed the example formed in the cylindrical shape extended along the direction where the rotating shaft of a motor is extended.
- the present invention is not limited to this.
- the first case portion, the fourth case portion, the second case portion, and the third case portion may each be formed in a shape other than a cylindrical shape (for example, a box shape).
- the first case portion, the fourth case portion, the second case portion, and the third case portion are connected to each other, and the portion between the third case portion and the first lid portion
- a seal member formed by drying a liquid sealant as the seal member for sealing the portion between the fourth case portion and the second lid portion
- the present invention is not limited to this. Absent.
- an O-ring, a gasket, grease, or the like may be used as the seal member.
- a heat insulating member may be provided in a portion where the first case portion, the fourth case portion, the second case portion, and the third case portion are coupled to each other.
- the first case portion, the fourth case portion, the second case portion, and the third case portion can be thermally separated from each other, so that the first case portion, the fourth case portion, and the second case
- the cooling effect in the case where the part and the third case part are individually cooled can be further enhanced.
- the switch elements of the power conversion unit and the winding switching unit may be constituted by a semiconductor other than a semiconductor made of SiC (for example, a semiconductor made of Si), or may be constituted by a switch element other than a semiconductor. .
- the first case portion, the second case portion, the third case portion, and the fourth case portion are coupled by being fastened together using a fastening member (for example, a caulking member) other than a hexagon socket head screw. May be.
- the first case portion, the second case portion, the third case portion, and the fourth case portion may be coupled without using a fastening member.
- the first case part, the second case part, the third case part, and the fourth case part may be joined by welding to each other, or may be joined by bonding with an adhesive.
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- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Description
Claims (24)
- 高速駆動用巻線(3a)および低速駆動用巻線(3b)を含むモータ(3)と、
前記モータの前記高速駆動用巻線および前記低速駆動用巻線の接続状態の切り替えを行う巻線切替部(4)と、
前記モータに接続される電力変換部(1)と、
少なくとも前記モータ、前記巻線切替部および前記電力変換部が収容される複数のケース部(11、12、13、14)とを備え、
前記複数のケース部は、互いに結合されている、モータ駆動装置(10)。 - 前記モータは、前記巻線切替部および前記電力変換部とは別の単一の前記ケース部に収容されている、請求項1に記載のモータ駆動装置。
- 前記複数のケース部は、前記モータが収容される第1ケース部(11)と、前記巻線切替部および前記電力変換部が収容される第2ケース部(12)とを含む、請求項2に記載のモータ駆動装置。
- 前記第2ケース部には、前記巻線切替部と前記電力変換部とを隔離する第1隔壁(122)が設けられており、
前記電力変換部は、前記第2ケース部の前記第1隔壁に対して前記モータとは反対側の領域に配置されており、
前記巻線切替部は、前記第2ケース部の前記第1隔壁に対して前記電力変換部とは反対側の領域に配置されている、請求項3に記載のモータ駆動装置。 - 前記第1隔壁には、前記巻線切替部および前記電力変換部に接続される配線を通過させる第1穴部(122a)が設けられている、請求項4に記載のモータ駆動装置。
- 前記第1ケース部および前記第2ケース部には、それぞれ、前記モータを冷却するための第1冷却部(113)、および、前記巻線切替部および前記電力変換部を冷却するための第2冷却部(123)が設けられている、請求項3~5のいずれか1項に記載のモータ駆動装置。
- 前記巻線切替部および前記電力変換部は、スイッチ素子(Q1、Q2、Q3、Q4、Q5、Q6、SW1、SW2)を含み、
前記第2冷却部は、前記スイッチ素子とオーバラップするように設けられている、請求項6に記載のモータ駆動装置。 - 前記巻線切替部および前記電力変換部の制御を行う制御部(5)をさらに備え、
前記モータ、前記巻線切替部および前記電力変換部に加えて、前記制御部も、前記複数のケース部に収容されている、請求項1~7のいずれか1項に記載のモータ駆動装置。 - 前記巻線切替部および前記電力変換部は、スイッチ素子を含み、
前記スイッチ素子を動作させるための電源を供給する電源部(6)をさらに備え、
前記モータ、前記巻線切替部、前記電力変換部および前記制御部に加えて、前記電源部も、前記複数のケース部に収容されている、請求項8に記載のモータ駆動装置。 - 前記複数のケース部は、前記制御部および前記電源部が収容される第3ケース部(13)を含む、請求項9に記載のモータ制御装置。
- 前記第3ケース部には、前記制御部と前記電源部とを隔離する第2隔壁(132)が設けられており、
前記制御部は、前記第3ケース部の前記第2隔壁に対して前記モータ、前記巻線切替部および前記電力変換部とは反対側の領域に配置されており、
前記電源部は、前記第3ケース部の前記第2隔壁に対して前記制御部とは反対側の領域に配置されている、請求項10に記載のモータ駆動装置。 - 前記第2隔壁には、前記制御部および前記電源部に接続される配線を通過させる第2穴部(132a)が設けられている、請求項11に記載のモータ駆動装置。
- 前記電力変換部に入力される電力を平滑化する平滑コンデンサ(2)をさらに備え、
前記平滑コンデンサは、前記第3ケース部の前記第2隔壁に対して前記制御部と同じ側の領域に配置されている、請求項11または12に記載のモータ駆動装置。 - 前記巻線切替部および前記電力変換部は、スイッチ素子を含み、
前記巻線切替部および前記電力変換部の制御を行う制御部と、
前記スイッチ素子を動作させるための電源を供給する電源部とをさらに備え、
前記複数のケース部は、前記モータが収容される第1ケース部と、前記巻線切替部および前記電力変換部が収容される第2ケース部と、前記制御部および前記電源部が収容される第3ケース部とを含み、
前記第1ケース部、前記第2ケース部および前記第3ケース部は、互いに前記モータの回転軸(31)の延びる方向に沿って結合されている、請求項1~13のいずれか1項に記載のモータ駆動装置。 - 前記第1ケース部、前記第2ケース部および前記第3ケース部は、それぞれ、前記モータの回転軸の延びる方向に沿って延びる筒状に形成されている、請求項14に記載のモータ駆動装置。
- 前記第3ケース部の前記第1ケース部および前記第2ケース部とは反対側には、前記第3ケース部を密閉する第1蓋部(15)が設けられている、請求項14または15に記載のモータ駆動装置。
- 前記複数のケース部は、前記モータと前記巻線切替部および前記電力変換部との電気的な接続をとるための接続端子部(61、65、68、69)が収容される第4ケース部(14)をさらに含み、
前記第4ケース部が前記第1ケース部と前記第2ケース部との間に配置された状態で、前記第1ケース部、前記第4ケース部、前記第2ケース部および前記第3ケース部が互いに前記モータの回転軸の延びる方向に沿って結合されている、請求項14~16のいずれか1項に記載のモータ駆動装置。 - 前記第4ケース部の側面のうちの前記接続端子部に対応する部分には、開口(141c、141d)が設けられており、
前記第4ケース部には、前記開口を覆う開閉可能な第2蓋部(16)が設けられている、請求項17に記載のモータ制御装置。 - 少なくとも前記複数のケース部の互いに結合されている部分は、シール部(50)により封止されている、請求項1~18のいずれか1項に記載のモータ駆動装置。
- 前記巻線切替部および前記電力変換部は、スイッチ素子を含み、
前記巻線切替部および前記電力変換部の制御を行う制御部と、
前記スイッチ素子を動作させるための電源を供給する電源部とをさらに備え、
前記複数のケース部は、前記モータが収容される第1ケース部と、前記巻線切替部および前記電力変換部が収容される第2ケース部と、前記制御部および前記電源部が収容される第3ケース部と、前記モータと前記巻線切替部および前記電力変換部との電気的な接続をとるための接続端子部が収容される第4ケース部とを含み、
前記第3ケース部の前記第1ケース部および前記第2ケース部とは反対側には、前記第3ケース部を密閉する第1蓋部が設けられており、
前記第4ケース部の側面のうちの前記接続端子部に対応する部分には、開口が設けられており、
前記第4ケース部には、前記開口を覆う開閉可能な第2蓋部が設けられており、
前記第1ケース部、前記第2ケース部、前記第3ケース部および前記第4ケース部の互いに結合されている部分に加えて、前記第3ケース部と前記第1蓋部との間の部分、および、前記第4ケース部と前記第2蓋部との間の部分も、前記シール部により封止されている、請求項19に記載のモータ駆動装置。 - 前記巻線切替部および前記電力変換部は、スイッチ素子を含み、
前記スイッチ素子は、SiCからなる半導体により構成されている、請求項1~20のいずれか1項に記載のモータ駆動装置。 - 前記電力変換部は、直流電力を交流電力に変換するインバータ部(1)を含む、請求項1~21のいずれか1項に記載のモータ駆動装置。
- 前記複数のケース部は、締結部材(41、42、43)によって互いに締結されることにより結合されている、請求項1~22のいずれか1項に記載のモータ駆動装置。
- 車両本体部(101)と、
前記車両本体部の内部に設けられるモータ駆動部(10)とを備え、
前記モータ駆動部は、
高速駆動用巻線(3a)および低速駆動用巻線(3b)を含むモータ(3)と、
前記モータの前記高速駆動用巻線および前記低速駆動用巻線の接続状態の切り替えを行う巻線切替部(4)と、
前記モータに接続される電力変換部(1)と、
少なくとも前記モータ、前記巻線切替部および前記電力変換部が収容される複数のケース部(11、12、13、14)とを含み、
前記複数のケース部は、互いに結合されている、車両(100)。
Priority Applications (6)
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PCT/JP2011/072477 WO2013046412A1 (ja) | 2011-09-29 | 2011-09-29 | モータ駆動装置および車両 |
JP2012541265A JP5259884B1 (ja) | 2011-09-29 | 2011-09-29 | モータ駆動装置および車両 |
EP11873390.6A EP2763291A4 (en) | 2011-09-29 | 2011-09-29 | DRIVING DEVICE WITH MOTOR AND VEHICLE |
CN201180073786.4A CN103828199B (zh) | 2011-09-29 | 马达驱动装置和车辆 | |
KR1020147009039A KR20140058677A (ko) | 2011-09-29 | 2011-09-29 | 모터 구동 장치 및 차량 |
US14/224,072 US9231446B2 (en) | 2011-09-29 | 2014-03-25 | Motor drive device and vehicle |
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CN105830315A (zh) * | 2013-12-13 | 2016-08-03 | 三菱电机株式会社 | 机电一体化旋转电机 |
CN105830315B (zh) * | 2013-12-13 | 2018-12-28 | 三菱电机株式会社 | 机电一体化旋转电机 |
WO2015113561A3 (de) * | 2014-02-03 | 2016-05-12 | Rolf Strothmann | Elektrische maschine |
CN112534688A (zh) * | 2017-11-06 | 2021-03-19 | 万络机电公司 | 具有与电机及其电控和电力装置共用的冷却回路的轴向磁通电机或电磁发电机 |
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EP2763291A4 (en) | 2015-08-26 |
US20140202781A1 (en) | 2014-07-24 |
EP2763291A1 (en) | 2014-08-06 |
CN103828199A (zh) | 2014-05-28 |
KR20140058677A (ko) | 2014-05-14 |
JP5259884B1 (ja) | 2013-08-07 |
JPWO2013046412A1 (ja) | 2015-03-26 |
US9231446B2 (en) | 2016-01-05 |
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