WO2021161560A1 - Structure de protection de moteur électrique - Google Patents

Structure de protection de moteur électrique Download PDF

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Publication number
WO2021161560A1
WO2021161560A1 PCT/JP2020/031340 JP2020031340W WO2021161560A1 WO 2021161560 A1 WO2021161560 A1 WO 2021161560A1 JP 2020031340 W JP2020031340 W JP 2020031340W WO 2021161560 A1 WO2021161560 A1 WO 2021161560A1
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WO
WIPO (PCT)
Prior art keywords
motor
panel
cooling component
vehicle
generator
Prior art date
Application number
PCT/JP2020/031340
Other languages
English (en)
Japanese (ja)
Inventor
憲史 梅村
清貴 石川
Original Assignee
三菱自動車工業株式会社
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 三菱自動車工業株式会社 filed Critical 三菱自動車工業株式会社
Priority to JP2022500217A priority Critical patent/JP7327632B2/ja
Publication of WO2021161560A1 publication Critical patent/WO2021161560A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • 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
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • This disclosure relates to a protective structure for a motor mounted on a vehicle.
  • the motor protection structure according to the present disclosure is a simple structure and is related to improving the protection performance of the motor against external force.
  • the protective structure of the motor comprises at least one motor mounted on the vehicle, a planar panel partitioning between the motor and the passenger compartment, and a refrigerant for cooling the motor.
  • a cooling component including a heat exchanger configured to transfer heat to a medium other than the refrigerant is provided, and the cooling component is integrally fixed to the side of the surface of the motor facing the panel. Will be done.
  • FIG. 1 is a schematic view of a vehicle to which a protective structure for an electric motor as an embodiment is applied.
  • FIG. 2 is a perspective view schematically showing the internal structure of the cooling component shown in FIG.
  • FIG. 3A is a schematic diagram for explaining the protection performance of the protection structure shown in FIG. 1 against an external force.
  • FIG. 3B is a schematic diagram for explaining the protection performance of the protection structure shown in FIG. 1 against an external force.
  • FIG. 3C is a schematic diagram for explaining the protection performance of the protection structure shown in FIG. 1 against an external force.
  • FIG. 4 is a schematic view of a vehicle to which a motor protection structure as a modified example is applied.
  • FIG. 1 is a schematic side view showing the inside of the vehicle 10 to which the protection structure of the electric motor is applied.
  • An engine room 12 (which may also be called a motor room or a compartment room) is provided at the front of the vehicle 10, and a vehicle room 11 is provided behind the engine room 12.
  • a driving force generating device such as a motor 1, a generator 2, and an engine 3 is arranged in the engine room 12. These driving force generating devices are connected to each other so as to be able to transmit power via a transmission or a transaxle (not shown).
  • the motor 1 is, for example, a three-phase AC type synchronous motor, and has both a function of rotating a motor shaft (rotor rotation shaft) with the electric power of the battery 13 and a function of generating power by utilizing the inertial power of the vehicle 10.
  • the generator 2 generator
  • the generator 2 is, for example, a three-phase AC type synchronous generator, and utilizes the function of rotating the crankshaft of the engine 3 with the electric power of the battery 13 (starter function) and the rotational power of the crankshaft. It also has the function of generating electricity.
  • the engine 3 is an internal combustion engine (gasoline engine, diesel engine) that burns gasoline or light oil.
  • a device that generates a rotational force by the interaction between a current flowing through a rotor and a magnetic field is called an "motor".
  • the motor 1 of this embodiment is an "motor”.
  • the generator 2 of the present embodiment generates an induced current by rotating the rotor in a magnetic field, but it is possible to generate a rotational force by passing a current through the rotor. That is, the generator 2 of this embodiment can function as an "motor” and can be regarded as a kind of "motor”. In this sense, it is possible to define “motor” as a concept including the motor 1 and the generator 2. Therefore, the "motor” described herein may be referred to as a “motor or generator or motor generator” and may be understood as such.
  • the motor 1, the generator 2, and the engine 3 are arranged so as to overlap each other when viewed from the front of the vehicle 10.
  • the generator 2 is arranged diagonally upward on the front side of the motor 1.
  • the engine 3 is arranged in front of the generator 2 so as to cover the front surface of the generator 2.
  • the motor 1 and the generator 2 are arranged behind the engine 3.
  • a transmission and a transaxle (not shown) are arranged on one side in the vehicle width direction in each of the motor 1, the generator 2, and the engine 3.
  • the rotation shafts (rotor shaft and crankshaft) of the motor 1, the generator 2, and the engine 3 are arranged parallel to each other in the vehicle width direction, for example.
  • the vehicle compartment 11 and the engine compartment 12 are partitioned by a planar panel 4.
  • the panel 4 is also called a bulkhead or a firewall.
  • the panel 4 referred to here includes a floor panel and a dash panel.
  • the panel 4 is arranged substantially horizontally below the passenger compartment 11, and is formed in a shape that protrudes upward at the front portion of the passenger compartment 11.
  • one plate material may be bent to form the panel 4, or a plurality of plate materials may be joined together to form the panel 4.
  • the battery 13 and the inverter 14 are arranged below the passenger compartment 11 (below the panel 4).
  • the battery 13 is, for example, a lithium ion battery or a nickel hydrogen battery, and is a secondary battery capable of supplying a high voltage direct current of several hundred volts.
  • the battery 13 is electrically connected to the motor 1 and the generator 2 via the inverter 14.
  • the battery 13 can supply electric power to the motor 1 and the generator 2. Further, the battery 13 can be charged by the regenerative power of the motor 1 or the generated power of the generator 2, and can also be charged by receiving power supplied from the outside of the vehicle (external charging).
  • the inverter 14 is a power conversion device for converting DC power on the battery 13 side and AC power on the motor 1 and the generator 2, and is interposed on a power line connecting the battery 13 and the motor 1 and the generator 2. ..
  • the inverter 14 is also called a power drive unit (PDU), and incorporates an inverter circuit and an electronic control device.
  • Inverter circuits include switch elements such as IGBTs (Insulated Gate Bipolar Transistors) and MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors).
  • the electronic control device has a function of controlling the operating state (on / off timing and drive frequency) of the switch element.
  • the inverter 14 and each of the motor 1 and the generator 2 are connected by a high-voltage cable 15 for three-phase alternating current.
  • the high-voltage cable 15 is connected to each of the first connector 16 provided on the outer surface of the motor 1 and the second connector 17 provided on the outer surface of the generator 2.
  • the high-voltage cable 15 is detachable from each of the first connector 16 and the second connector 17.
  • These first connector 16 and second connector 17 are preferably arranged in the vicinity of the cooling component 5, which will be described later.
  • the first connector 16 of the motor 1 to which the cooling component 5 is attached is arranged at a position adjacent to the cooling component 5.
  • a cooling component 5 is attached to the outer surface of the motor 1.
  • the cooling component 5 is a component including at least a heat exchanger 7 for cooling the motor 1, and is fixed to one of a plurality of electric motors (motor 1 and generator 2) provided in the vehicle 10.
  • the heat exchanger 7 has a function of transferring the heat of the refrigerant that cools the motor 1 to another medium.
  • the cooling component 5 is integrally fixed to the motor 1 on the side of the surface of the motor 1 facing the panel 4.
  • the cooling component 5 is provided with a first inflow port and a first inflow port serving as an inlet / outlet for a refrigerant for cooling the motor 1, and a second inflow port and a second inflow port serving as an inlet / outlet for a medium for cooling the refrigerant. .
  • Specific examples of the refrigerant and medium referred to here include cooling water, cooling oil, cold air, and various coolants.
  • the cooling component 5 is fixed at a position where the separation distance between the cooling component 5 and the panel 4 is smaller than the separation distance between the motor 1 or the generator 2 and the panel 4. More preferably, the separation distance between the cooling component 5 and the panel 4 is fixed at a position smaller than the separation distance between the first connector 16 or the second connector 17 and the panel 4. That is, even if the motor 1 and the generator 2 approach the panel 4 by an external force, the cooling component 5 is configured to come into contact with the panel 4 before the first connector 16 and the second connector 17. Further, as shown in FIG. 1, the first connector 16 of this embodiment is arranged behind and below the cooling component 5. As a result, the distance between the first connector 16 and the inverter 14 can be made closer while separating the first connector 16 from the panel 4 than the cooling component 5. Therefore, the high-voltage cable 15 can be shortened while improving the protection of the first connector 16.
  • the cooling component 5 has a structure in which a laminated heat exchanger 7 is built inside a hollow casing 6.
  • the heat exchanger 7 has a structure in which a plurality of plates 8 are laminated in a multi-layered manner with a gap between them.
  • a corrugated fin 9 is installed between the plurality of plates 8.
  • the corrugated fin 9 is a plate-shaped member having a corrugated cross-sectional shape so as to come into contact with each of the two plates 8.
  • These refrigerants and media circulate in a groove-like space sandwiched between the plate 8 and the corrugated fins 9.
  • the flow direction of the refrigerant flowing through the former layer is set so as to be orthogonal to the flow direction of the medium flowing through the latter layer.
  • the stacking direction of the plurality of plates 8 is set so as to coincide with the direction from the motor 1 to the panel 4.
  • the stacking direction referred to here may be read and understood as, for example, the normal direction of the plate 8.
  • the direction perpendicular to the flow direction of the refrigerant and the medium flowing through each layer may be defined as the “stacking direction”.
  • the cooling component 5 is arranged at a position on the surface of the panel 4 facing a slope whose front is inclined diagonally upward (that is, the plate 8 of the heat exchanger 7 is arranged on the slope of the panel 4. (Arranged so as to face each other).
  • This slope is provided, for example, at the front end of the floor panel or the lower end of the dash panel.
  • the cooling component 5 is arranged at a position facing the flat surface portion 18 of the panel 4.
  • the flat surface portion 18 is a portion formed in a flat shape, and is a portion provided substantially parallel to the plate 8 located on the side closest to the panel 4 in the plate 8 of the heat exchanger 7.
  • FIG. 1 by arranging the cooling component 5 on a flat portion, the contact area when the cooling component 5 comes into contact with the panel 4 increases, and the pressure acting on the cooling component 5 decreases. As a result, the impact is easily absorbed, and the cushioning performance of the cooling component 5 is improved.
  • the cooling component 5 is attached to the outer surface of the motor 1.
  • the cooling component 5 is arranged at a position where it comes into contact with the panel 4 before the motor 1 and the generator 2. Therefore, as shown in FIG. 3B, when the cooling component 5 comes into contact with the panel 4, the separation distance between the motor 1 and the generator 2 and the panel 4 is secured, and direct contact is avoided. Further, the cooling component 5 is arranged at a position where it comes into contact with the panel 4 before the first connector 16 and the second connector 17. Therefore, when the cooling component 5 comes into contact with the panel 4, the separation distance between the first connector 16 and the second connector 17 and the panel 4 is also secured.
  • the motor protection structure of the present embodiment is provided with a motor 1, a panel 4, and a cooling component 5 mounted on the vehicle 10.
  • the panel 4 is provided so as to partition between the motor 1 and the vehicle interior 11.
  • the cooling component 5 is integrally fixed to the side of the surface of the motor 1 facing the panel 4.
  • the cooling component 5 includes a heat exchanger 7 that transfers the heat of the refrigerant that cools the motor 1 to another medium.
  • the motor 1 is arranged behind the engine 3 mounted on the vehicle 10. Thereby, for example, it is possible to suppress the occurrence of deformation and damage of the motor 1 due to the contact between the motor 1 pushed by the engine 3 and the panel 4 at the time of the front collision of the vehicle 10.
  • some kind of cushioning member (crash box, cushion member, etc.) can be arranged at the position of the engine 3 in FIG.
  • the protection performance of the motor 1 can be improved without arranging such a buffer member.
  • the heat exchanger 7 has a structure in which a plurality of plates 8 are laminated with a gap. As shown in FIG. 2, these plates 8 are laminated in the direction from the motor 1 toward the panel 4. Since the stacking direction of the heat exchanger 7 corresponds to the direction from the motor 1 to the panel 4, the impact can be absorbed by the deformation of the plate 8 in the thickness direction, and the cushioning function of the cooling component 5 can be improved. can. Further, since there is a gap through which the refrigerant flows between the plurality of plates 8, it is possible to secure a deformation allowance (maximum amount of deformation) of the plates 8 and improve the shock absorption efficiency. Therefore, the protection performance of the electric motor (motor 1 and generator 2) can be improved.
  • the first connector 16 of the motor 1 is arranged at a position adjacent to the cooling component 5.
  • the cooling component 5 can be brought into contact with the panel 4 at least before the first connector 16. Therefore, the first connector 16 can be protected more reliably, and the protection performance of the electric motor (motor 1 and generator 2) can be improved.
  • the first connector 16 is arranged behind the vehicle 10 with respect to the cooling component 5.
  • the distance between the first connector 16 and the inverter 14 is increased while the first connector 16 is separated from the panel 4 by the cooling component 5. You can get closer. Therefore, the high-voltage cable 15 can be shortened while improving the protection of the first connector 16, and the configuration of the electric motor (motor 1 and generator 2) can be further simplified.
  • the cooling component 5 is arranged at a position on the surface of the panel 4 facing a slope whose front surface is inclined diagonally upward.
  • the cooling component 5 is fixed to the motor 1 which is one of a plurality of electric motors provided in the vehicle.
  • the position where the cooling component 5 is fixed is set at a position where the separation distance between the cooling component 5 and the panel 4 is smaller than the separation distance between the motor 1 or the generator 2 and the panel 4. That is, the fixing position of the cooling component 5 is determined so that the cooling component 5 is located closer to the panel 4 than the motor 1 and the generator 2 in the state where the cooling component 5 is attached.
  • the cooling component 5 is arranged at a position facing the flat surface portion 18 of the panel 4.
  • the end surface of the cooling component 5 close to the panel 4 can be brought into surface contact with the panel 4, and the contact area between the cooling component 5 and the panel 4 can be increased.
  • the cooling component 5 is fixed to the surface of the motor 1 at a position facing the flat surface portion 18 of the panel 4, but the positional relationship between the cooling component 5 and the panel 4 has such a relationship.
  • the cooling component 5 may be arranged at a position facing the bent portion 19 of the panel 4.
  • the bent portion 19 is a portion having a shape in which two surfaces are joined across a ridge line, and is formed by bending, for example, a planar member.
  • Motor (motor, drive unit) 2 Generator (motor, drive unit) 3 Engine (internal combustion engine, drive unit) 4 Panel 5 Cooling parts 6 Casing 7 Heat exchanger 8 Plate 9 Corrugated fin 10 Vehicle 11 Vehicle room 12 Engine room 13 Battery 14 Inverter 15 High-voltage cable 16 First connector 17 Second connector 18 Flat part 19 Bent part

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La structure de protection de moteur électrique selon l'invention comprend : un moteur électrique monté sur un véhicule ; un panneau de type feuille qui sépare le moteur et un habitacle du véhicule ; et un composant de refroidissement comprenant un échangeur de chaleur, qui transfère la chaleur provenant d'un fluide frigorigène refroidissant le moteur vers un milieu séparé du fluide frigorigène. Le composant de refroidissement est fixé d'un seul tenant à une surface du moteur électrique, sur un côté opposé au panneau. Grâce à cette structure de protection, lorsque le moteur électrique s'approche du panneau sous l'action d'une force externe, le composant de refroidissement entre en contact avec le panneau avant le moteur électrique, ce qui permet de protéger le moteur et un connecteur .
PCT/JP2020/031340 2020-02-13 2020-08-19 Structure de protection de moteur électrique WO2021161560A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022500217A JP7327632B2 (ja) 2020-02-13 2020-08-19 電動機の保護構造

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020022503 2020-02-13
JP2020-022503 2020-02-13

Publications (1)

Publication Number Publication Date
WO2021161560A1 true WO2021161560A1 (fr) 2021-08-19

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PCT/JP2020/031340 WO2021161560A1 (fr) 2020-02-13 2020-08-19 Structure de protection de moteur électrique

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WO (1) WO2021161560A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263939A (ja) * 2003-02-28 2004-09-24 Toyo Radiator Co Ltd 熱交換器
JP2011063168A (ja) * 2009-09-18 2011-03-31 Suzuki Motor Corp ハイブリッド車用冷却装置
JP2017030424A (ja) * 2015-07-30 2017-02-09 トヨタ自動車株式会社 電力制御ユニットの車載構造
JP2018083510A (ja) * 2016-11-22 2018-05-31 トヨタ自動車株式会社 インバータの車載構造
JP2019048549A (ja) * 2017-09-08 2019-03-28 トヨタ自動車株式会社 車両用回転電機の冷却装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103189224B (zh) 2010-11-02 2015-10-14 本田技研工业株式会社 电动机动车
JP5817627B2 (ja) 2012-04-05 2015-11-18 トヨタ自動車株式会社 電動車両

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263939A (ja) * 2003-02-28 2004-09-24 Toyo Radiator Co Ltd 熱交換器
JP2011063168A (ja) * 2009-09-18 2011-03-31 Suzuki Motor Corp ハイブリッド車用冷却装置
JP2017030424A (ja) * 2015-07-30 2017-02-09 トヨタ自動車株式会社 電力制御ユニットの車載構造
JP2018083510A (ja) * 2016-11-22 2018-05-31 トヨタ自動車株式会社 インバータの車載構造
JP2019048549A (ja) * 2017-09-08 2019-03-28 トヨタ自動車株式会社 車両用回転電機の冷却装置

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JP7327632B2 (ja) 2023-08-16
JPWO2021161560A1 (fr) 2021-08-19

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