WO2023095752A1 - 車両用駆動装置 - Google Patents

車両用駆動装置 Download PDF

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Publication number
WO2023095752A1
WO2023095752A1 PCT/JP2022/043029 JP2022043029W WO2023095752A1 WO 2023095752 A1 WO2023095752 A1 WO 2023095752A1 JP 2022043029 W JP2022043029 W JP 2022043029W WO 2023095752 A1 WO2023095752 A1 WO 2023095752A1
Authority
WO
WIPO (PCT)
Prior art keywords
case
inverter
electric machine
case portion
axial direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/043029
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
丈元 鈴木
哲平 山下
武史 鳥居
彰一 山崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aisin Corp
Original Assignee
Aisin Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aisin Corp filed Critical Aisin Corp
Priority to US18/713,544 priority Critical patent/US20250023421A1/en
Priority to JP2023563671A priority patent/JP7831493B2/ja
Priority to CN202280072249.6A priority patent/CN118159440A/zh
Priority to EP22898535.4A priority patent/EP4385795A4/en
Publication of WO2023095752A1 publication Critical patent/WO2023095752A1/ja
Anticipated expiration legal-status Critical
Priority to JP2025165150A priority patent/JP2025188089A/ja
Ceased legal-status Critical Current

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Classifications

    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • 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
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • 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
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
    • B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of electric gearing
    • 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
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • 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
    • B60L9/00—Electric propulsion with power supply external to the vehicle
    • B60L9/16—Electric propulsion with power supply external to the vehicle using AC induction motors
    • B60L9/18—Electric propulsion with power supply external to the vehicle using AC induction motors fed from DC supply lines
    • 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
    • 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
    • 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
    • B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing provided between independent half axles
    • 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
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/10—Housings
    • 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
    • Y02T10/72—Electric energy management in electromobility

Definitions

  • the present disclosure relates to a vehicle drive system.
  • the rotary electric machine 1 is electrically connected to a battery BA (including a power storage device such as a capacitor) via an inverter device 90 that converts power between DC power and AC power, and power is supplied from the battery BA.
  • the power is supplied to power the vehicle, or the power generated by the inertial force of the vehicle VC is supplied to and stored in the power storage device.
  • one side in the axial direction A is defined as an axial first side A1
  • the other side in the axial direction A is defined as an axial second side A2.
  • the axial direction first side A1 is the side on which the rotary electric machine 1 is arranged with respect to the transmission mechanism 3 in the axial direction A.
  • the first output member 61 is the output member 6 arranged on the first axial side A1 of the pair of output members 6, and the second output member 62 is the pair of output members. It is the output member 6 arranged on the axial second side A2 of the members 6 .
  • FIG. 4 is a diagram schematically showing the vehicle drive system 100 as viewed in the axial direction, showing different portions offset in the axial direction A with the line 400 as a boundary.
  • FIG. 5 is a diagram schematically showing the vehicle drive device 100 as viewed in the axial direction from the first axial side A1, and is partially transparent so that the inside can be seen.
  • FIG. 6 is an explanatory diagram of a modification to FIG.
  • the rotary electric machine 1 and the inverter device 90 may be arranged in such a manner that their arrangement areas in the axial direction A do not overlap. That is, the inverter device 90 or the inverter case portion 24 may be arranged on the second side X2 in the first direction with respect to the rotating electric machine 1 . However, a part of the first axial side A1 of the inverter device 90 or the inverter case part 24 may overlap a part of the second axial side A2 of the rotary electric machine 1 in the arrangement area in the axial direction A. . This is the same for the first direction X as well.
  • the first inverter portion 91 or the upper case portion 241 of the inverter device 90 overlaps the second axis C2 of the first output member 61 when viewed in the second direction, and is relatively wide. Extends over a range in direction X.
  • the first inverter portion 91 or the upper case portion 241 of the inverter device 90 extends from the second axis C2 to the first side X1 in the first direction when viewed in the axial direction. This makes it possible to dispose the first inverter section 91 having a relatively large size in the first direction X in the first inverter section 91 or the upper case section 241 .
  • the first inverter section 91 is the smoothing capacitor CM, but the power module PM may be used, or both the first inverter section 91 and the smoothing capacitor CM may be included.
  • the inverter housing chamber S4 may be fluidly connected to the motor housing chamber S1 and the like.
  • part or all of the wall portion (such as the partition wall portion 29 in FIG. 5) separating the inverter housing chamber S4 and the motor housing chamber S1 may be eliminated.
  • Wiring between the electric machine 1 and the inverter device 90 is facilitated.
  • the wiring connection portion 600 between the rotary electric machine 1 and the inverter device 90 is provided in a manner that communicates with both the inverter housing chamber S4 and the motor housing chamber S1.
  • a partition wall portion 28 may be formed between the motor housing chamber S1 and the output shaft housing chamber S3.
  • the inverter cooling water passage 99 may be arranged in a region overlapping the output gear 30 when viewed in the axial direction. In this case, efficient arrangement (layout) of the inverter cooling water passages 99 can be achieved without increasing the size of the entire vehicle drive device 100 in the first direction X and the second direction Y due to the inverter cooling water passages 99 . ) can be realized.
  • the vehicle drive device 100A according to the second embodiment differs from the vehicle drive device 100 according to the first embodiment described above mainly in the arrangement of the inverter device and the inverter case. Specifically, in the vehicle drive device 100A according to the second embodiment, the case 2 and the inverter device 90 of the vehicle drive device 100 according to the first embodiment are replaced with the case 2A and the inverter device 90A, respectively. different point.
  • the inverter case portion 24A extends in the first direction X and in the axial direction A, and forms an inverter housing chamber S4 inside.
  • the inverter case portion 24A extends in the axial direction A so as to face the differential case portion 50 and the first output member 61 in the second direction Y, as shown in FIGS. That is, the inverter case portion 24A covers the second direction first side Y1 of the differential case portion 50 in the transmission mechanism case portion 22 and the second direction first side Y1 of the first output member 61 in the output shaft case portion 23. extend to Thus, the inverter case portion 24A extends in the first direction X and the axial direction A, and overlaps the output gear 30 when viewed in the axial direction.
  • a horizontal direction H orthogonal to the axial direction A (in other words, a direction orthogonal to the axial direction A and the vertical direction V) can be defined as the first direction X.
  • the second direction Y is parallel to the vertical direction V, as shown in FIG.
  • the first direction X may be defined as a direction along an imaginary straight line passing through the first axis C1 and the center of the first inverter portion 91 or the inverter case portion 24A when viewed in the axial direction.
  • the arrangement areas of the rotary electric machine 1, the inverter device 90A, and the output gear 30 arranged coaxially with the first output member 61 are overlapped when viewed in the axial direction, and the entire vehicle drive device 100 As a result, the physical size in the second direction Y can be reduced. That is, the rotating electric machine 1 and the inverter device 90A can be arranged close to each other in the first direction X by effectively using the space overlapping the output gear 30 when viewed in the axial direction. As a result, the overall size of the vehicle drive device 100 in the first direction X can be reduced. In addition, by arranging the rotating electric machine 1 and the inverter device 90A close to each other in the first direction X, it becomes easy to arrange wiring for electrical connection between the rotating electric machine 1 and the inverter device 90A.
  • the present embodiment it is possible to reduce the physical size in the first direction X and the physical size in the second direction Y of the vehicle drive device 100 as a whole.
  • the visual size can be reduced.
  • the mountability of the vehicle drive system 100 to the vehicle VC can be enhanced.
  • the inverter case portion 24A includes a differential side case portion 241A overlapping the differential case portion 50 when viewed from the second direction, and a first output member 61 when viewed from the second direction.
  • the intermediate side case portion 242A may overlap with the intermediate side case portion 242A, and the dimension in the second direction Y may be set larger in the intermediate side case portion 242A than in the differential side case portion 241A.
  • various components of the inverter device 90A that may have significant differences in dimensions in the second direction Y can be efficiently arranged.
  • the interiors of the differential side case portion 241A and the intermediate side case portion 242A may communicate with each other.
  • the inverter cooling water passage 99A can be cooled to Therefore, according to such an arrangement mode in which the inverter cooling water passage 99A does not overlap with the smoothing capacitor CM when viewed from the second direction, the cooling performance of the smoothing capacitor CM is not significantly reduced, and the inverter cooling water passage 99A is efficiently arranged. placement can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
  • General Details Of Gearings (AREA)
  • Retarders (AREA)
PCT/JP2022/043029 2021-11-25 2022-11-21 車両用駆動装置 Ceased WO2023095752A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US18/713,544 US20250023421A1 (en) 2021-11-25 2022-11-21 Vehicle drive device
JP2023563671A JP7831493B2 (ja) 2021-11-25 2022-11-21 車両用駆動装置
CN202280072249.6A CN118159440A (zh) 2021-11-25 2022-11-21 车用驱动装置
EP22898535.4A EP4385795A4 (en) 2021-11-25 2022-11-21 DRIVE DEVICE FOR A VEHICLE
JP2025165150A JP2025188089A (ja) 2021-11-25 2025-10-01 車両用駆動装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021190916 2021-11-25
JP2021-190916 2021-11-25

Publications (1)

Publication Number Publication Date
WO2023095752A1 true WO2023095752A1 (ja) 2023-06-01

Family

ID=86539413

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/043029 Ceased WO2023095752A1 (ja) 2021-11-25 2022-11-21 車両用駆動装置

Country Status (5)

Country Link
US (1) US20250023421A1 (https=)
EP (1) EP4385795A4 (https=)
JP (2) JP7831493B2 (https=)
CN (2) CN118159440A (https=)
WO (1) WO2023095752A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024078188A (ja) * 2022-11-29 2024-06-10 株式会社デンソー 回転体装置
EP4518109A3 (en) * 2023-08-31 2025-03-26 Aisin Corporation Vehicle drive device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119142150A (zh) * 2024-09-02 2024-12-17 东风汽车集团股份有限公司 一种同轴式电驱动系统及电动汽车

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020110887A1 (ja) * 2018-11-29 2020-06-04 株式会社デンソー 電駆動モジュール
WO2020202963A1 (ja) * 2019-03-29 2020-10-08 アイシン・エィ・ダブリュ株式会社 車両用駆動装置
WO2021124792A1 (ja) * 2019-12-17 2021-06-24 日本電産株式会社 駆動装置
WO2021140712A1 (ja) 2020-01-10 2021-07-15 アイシン・エィ・ダブリュ株式会社 車両用駆動装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020188904A1 (ja) * 2019-03-19 2020-09-24 アイシン・エィ・ダブリュ株式会社 車両用駆動装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020110887A1 (ja) * 2018-11-29 2020-06-04 株式会社デンソー 電駆動モジュール
WO2020202963A1 (ja) * 2019-03-29 2020-10-08 アイシン・エィ・ダブリュ株式会社 車両用駆動装置
WO2021124792A1 (ja) * 2019-12-17 2021-06-24 日本電産株式会社 駆動装置
WO2021140712A1 (ja) 2020-01-10 2021-07-15 アイシン・エィ・ダブリュ株式会社 車両用駆動装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4385795A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024078188A (ja) * 2022-11-29 2024-06-10 株式会社デンソー 回転体装置
EP4518109A3 (en) * 2023-08-31 2025-03-26 Aisin Corporation Vehicle drive device

Also Published As

Publication number Publication date
JP2025188089A (ja) 2025-12-25
JP7831493B2 (ja) 2026-03-17
CN118103617A (zh) 2024-05-28
EP4385795A1 (en) 2024-06-19
US20250023421A1 (en) 2025-01-16
CN118159440A (zh) 2024-06-07
JPWO2023095752A1 (https=) 2023-06-01
EP4385795A4 (en) 2024-12-11

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