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JP2020089012A - Vehicle power transmission device - Google Patents

Vehicle power transmission device Download PDF

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Publication number
JP2020089012A
JP2020089012A JP2018218244A JP2018218244A JP2020089012A JP 2020089012 A JP2020089012 A JP 2020089012A JP 2018218244 A JP2018218244 A JP 2018218244A JP 2018218244 A JP2018218244 A JP 2018218244A JP 2020089012 A JP2020089012 A JP 2020089012A
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Japan
Prior art keywords
power transmission
vehicle
transmission case
power
case
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Pending
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JP2018218244A
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Japanese (ja)
Inventor
雄太 桜井
Yuta Sakurai
雄太 桜井
剛 近藤
Takeshi Kondo
剛 近藤
真由 小林
Mayu Kobayashi
真由 小林
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Johnan Manufacturing Co Ltd
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Johnan Manufacturing Co Ltd
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Priority to JP2018218244A priority Critical patent/JP2020089012A/en
Priority to PCT/JP2019/042996 priority patent/WO2020105397A1/en
Publication of JP2020089012A publication Critical patent/JP2020089012A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • 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
    • B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
    • 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
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
    • B60L53/39—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
    • 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
    • B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M7/00—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

To provide a vehicle power transmission device capable of suppressing a decrease in charging efficiency due to a change in vehicle height.SOLUTION: A vehicle power transmission device 1 that is installed on an installation surface 7a of a parking space in which a vehicle 9 is parked and in which a power transmission coil 20 that supplies power in a contactless manner to a power reception coil 91 that is built in a power reception device 90 that is mounted on the vehicle 9 is built, includes a power transmission case 2 to which the power transmission coil 20 is attached, and first to fourth springs 431 to 434 that are arranged between the power transmission case 2 and the installation surface 7a and elastically support the power transmission case 2.SELECTED DRAWING: Figure 1

Description

本発明は、車両用送電装置に関する。 The present invention relates to a vehicle power transmission device.

従来の技術として、車両に搭載された受電装置に内蔵される受電コイルに対して送電コイルから非接触で送電を行う車両用送電装置が知られている（例えば、特許文献１参照）。 As a conventional technique, there is known a vehicle power transmission device that transmits power from a power transmission coil to a power reception coil incorporated in a power reception device mounted on a vehicle in a contactless manner (see, for example, Patent Document 1).

特許文献１に記載の車両用送電装置は、磁気的結合により車両の受電コイルと非接触で電力の授受を行う送電コイルと、送電コイルを含むコイルユニットを出入り自在に格納する筐体と、コイルユニットを駐車スペースの面方向に沿って車両前後方向にスライドさせるスライド機構と、コイルユニットを上下方向に昇降させるアーム機構と、受電コイルを収容する受電パッドと、送電コイルを収容する送電パッドと、を備えている。 The power transmission device for a vehicle described in Patent Document 1 includes a power transmission coil that exchanges electric power with a power reception coil of a vehicle in a non-contact manner by magnetic coupling, a casing that stores a coil unit including the power transmission coil in a freely accessible manner, and a coil. A slide mechanism that slides the unit in the vehicle front-rear direction along the plane direction of the parking space, an arm mechanism that moves the coil unit up and down, a power receiving pad that houses the power receiving coil, and a power transmission pad that houses the power transmitting coil. Is equipped with.

この車両用送電装置は、受電パッドに送電パッドを接触させた状態で送電パッドをスライドさせることにより、車両前後方向における受電パッドと送電パッドとの位置合わせを行っている。 In this vehicle power transmission device, the power transmission pad is slid in a state where the power reception pad is in contact with the power reception pad, so that the power reception pad and the power transmission pad are aligned in the vehicle front-rear direction.

特開２０１４−１１７０５８号公報JP, 2014-117058, A

しかし、特許文献１に記載の車両用送電装置では、例えば充電中において乗員が車両を乗降した場合には、車高が変動するため受電コイルと送電コイルとの間の位置ずれが生じて充電効率が低下するおそれがある。 However, in the vehicle power transmission device described in Patent Document 1, for example, when an occupant gets in and out of the vehicle during charging, the vehicle height fluctuates, which causes a positional deviation between the power receiving coil and the power transmitting coil, and thus charging efficiency. May decrease.

そこで、本発明では、車高変動に伴う充電効率の低下を抑制することができる車両用送電装置を提供することを目的とする。 Therefore, it is an object of the present invention to provide a vehicle power transmission device capable of suppressing a decrease in charging efficiency due to vehicle height variation.

本発明は上記課題を解決するために、車両が駐車される駐車スペースの設置面に設置されて、前記車両に搭載された受電装置に内蔵される受電コイルに対して非接触で電力を供給する送電コイルが内蔵される車両用送電装置であって、前記送電コイルが取り付けられた送電ケースと、前記送電ケースと前記設置面との間に配置されて前記送電ケースを弾性的に支持する支持部材と、を備えている、車両用送電装置を提供する。 In order to solve the above problems, the present invention is installed on an installation surface of a parking space where a vehicle is parked and supplies electric power to a power receiving coil built in a power receiving device mounted on the vehicle in a non-contact manner. A vehicle power transmission device including a power transmission coil, the support member being disposed between the power transmission case to which the power transmission coil is attached, and elastically supporting the power transmission case. And a power transmission device for a vehicle, including:

本発明に係る車両用送電装置によれば、車高変動に伴う充電効率の低下を抑制することができる。 According to the vehicle power transmission device of the present invention, it is possible to suppress a decrease in charging efficiency due to a vehicle height change.

図１（ａ）は、本実施の形態に係る車両用送電装置が用いられる車両用充電システムの全体構成を示す説明図であり、図１（ｂ）は、車両用送電装置の動作を模式的に表した説明図である。FIG. 1A is an explanatory diagram showing an overall configuration of a vehicle charging system in which the vehicle power transmission device according to the present embodiment is used, and FIG. 1B schematically shows the operation of the vehicle power transmission device. It is explanatory drawing represented to. 図２（ａ）及び（ｂ）は、車両用送電装置の外観を示す斜視図である。2A and 2B are perspective views showing the external appearance of the vehicle power transmission device. 図３は、車両用送電装置の構成を示す分解斜視図である。FIG. 3 is an exploded perspective view showing the configuration of the vehicle power transmission device. 図４は、送電ケースのケース部の構成を示す斜視図である。FIG. 4 is a perspective view showing the configuration of the case portion of the power transmission case. 図５（ａ）は、ケース部の上面図であり、図５（ｂ）はケース部の底面図である。5A is a top view of the case portion, and FIG. 5B is a bottom view of the case portion. 図６（ａ）は、車両用送電装置の上面図であり、図６（ｂ）は、側面図であり、図６（ｃ）は、正面図である。FIG. 6A is a top view of the vehicle power transmission device, FIG. 6B is a side view, and FIG. 6C is a front view. 図７は、格納状態における車両用送電装置の正面図である。FIG. 7 is a front view of the vehicle power transmission device in the stored state. 図８は、駆動ユニットの構成を示す平面図である。FIG. 8 is a plan view showing the configuration of the drive unit. 図９は、図６（ａ）におけるＡ−Ａ線に沿った断面図である。FIG. 9 is a cross-sectional view taken along the line AA in FIG. 図１０（ａ）〜(ｃ)は、車両の車高変動に伴って動作する車両用送電装置の様子を模式的に示した説明図である。FIGS. 10A to 10C are explanatory diagrams that schematically show the state of the vehicle power transmission device that operates in accordance with the vehicle height variation.

（実施の形態の要約）
本実施の形態に係る車両用送電装置１は、車両９が駐車される駐車スペースの設置面７ａに設置されて、車両９に搭載された受電装置９０に内蔵される受電コイル９１に対して非接触で電力を供給する送電コイル２０が内蔵され、送電コイル２０が取り付けられた送電ケース２と、送電ケース２と設置面７ａとの間に配置されて送電ケース２を弾性的に支持する支持部材として第１乃至第４スプリング４３１〜４３４と、を備えている。 (Summary of Embodiments)
The vehicle power transmission device 1 according to the present embodiment is installed on the installation surface 7 a of the parking space in which the vehicle 9 is parked, and is not connected to the power receiving coil 91 incorporated in the power receiving device 90 mounted on the vehicle 9. A power transmission coil 20 that supplies power by contact is built in, and a support member that is disposed between the power transmission case 2 to which the power transmission coil 20 is attached and that is disposed between the power transmission case 2 and the installation surface 7a and that elastically supports the power transmission case 2. As the first to fourth springs 431 to 434.

この車両用送電装置１によれば、送電ケース２が受電装置９０の位置変動に追従するように変位可能なので、車高変動に伴う充電効率の低下を抑制することができる。 According to this vehicle power transmission device 1, since the power transmission case 2 can be displaced so as to follow the position change of the power receiving device 90, it is possible to suppress the decrease in charging efficiency due to the vehicle height change.

［実施の形態］
本実施の形態に係る車両用送電装置について、図１乃至図１０を参照して説明する。 [Embodiment]
A vehicle power transmission device according to the present embodiment will be described with reference to FIGS. 1 to 10.

図１（ａ）は、本実施の形態に係る車両用送電装置が用いられる車両用充電システムの全体構成を示す説明図であり、図１（ｂ）は、車両用送電装置の動作を模式的に表した説明図である。なお、図１（ａ）は、車両９を充電しない非使用状態を示し、図１（ｂ）は、車両９を充電する使用状態を示している。 FIG. 1A is an explanatory diagram showing an overall configuration of a vehicle charging system in which the vehicle power transmission device according to the present embodiment is used, and FIG. 1B schematically shows the operation of the vehicle power transmission device. It is explanatory drawing represented to. It should be noted that FIG. 1A shows a non-use state in which the vehicle 9 is not charged, and FIG. 1B shows a use state in which the vehicle 9 is charged.

（車両用充電システムの全体構成）
図１（ａ）に示すように、本実施の形態に係る車両用充電システム１００は、車両９と、車両９が駐車される駐車スペースの設置面７ａに設置された車両用送電装置１と、車両９に近傍に設置された電源設備８と、から構成される。 (Overall structure of vehicle charging system)
As shown in FIG. 1A, a vehicle charging system 100 according to the present embodiment includes a vehicle 9, a vehicle power transmission device 1 installed on an installation surface 7a of a parking space in which the vehicle 9 is parked, The power supply equipment 8 is installed in the vicinity of the vehicle 9.

なお、以下の説明においては、車両９の前後方向をＸ方向とし、車両９の車幅方向をＹ方向とし、車両９の車高方向（設置面７ａに対して垂直な方向）をＺ方向とする。また説明の便宜上、Ｚ方向において、設置面７ａから遠ざかる方向を上方といい、設置面７ａに近づく方向を下方という。 In the following description, the front-rear direction of the vehicle 9 is the X direction, the vehicle width direction of the vehicle 9 is the Y direction, and the vehicle height direction of the vehicle 9 (direction perpendicular to the installation surface 7a) is the Z direction. To do. Further, for convenience of description, in the Z direction, a direction away from the installation surface 7a is referred to as an upward direction, and a direction approaching the installation surface 7a is referred to as a downward direction.

車両９には、車両９の下部に搭載されて受電コイル９１が内蔵される受電装置９０と、受電装置９０と電気的に接続された蓄電池９２とが設けられている。車両９は、例えば、電気自動車やプラグインハイブリッド自動車等の二次電池式の電気自動車である。 The vehicle 9 is provided with a power receiving device 90 that is mounted below the vehicle 9 and has a power receiving coil 91 built therein, and a storage battery 92 that is electrically connected to the power receiving device 90. The vehicle 9 is, for example, a secondary battery type electric vehicle such as an electric vehicle or a plug-in hybrid vehicle.

車両９は、受電装置９０の真下に車両用送電装置１が位置するように駐車されている。受電装置９０は、車両用送電装置１と対向する対向面９０ａを有している。本実施の形態では、受電装置９０の対向面９０ａが車両９の下面９ａと平行となるように、受電装置９０が配置されている。ここで、本実施の形態では、車両９の下面９ａは、設置面７ａと平行であるものとする。 The vehicle 9 is parked so that the vehicle power transmitting device 1 is located directly below the power receiving device 90. The power receiving device 90 has a facing surface 90 a that faces the vehicle power transmitting device 1. In the present embodiment, power reception device 90 is arranged such that opposing surface 90a of power reception device 90 is parallel to lower surface 9a of vehicle 9. Here, in the present embodiment, lower surface 9a of vehicle 9 is assumed to be parallel to installation surface 7a.

車両用送電装置１は、電源設備８と電源ケーブル８０を介して接続されている。また、車両用送電装置１は、送電コイル２０が取り付けられた送電ケース２を備え、この送電ケース２が後述する昇降機構４によってＺ方向に沿って昇降する。 The vehicle power transmission device 1 is connected to the power supply facility 8 via a power cable 80. Further, the vehicle power transmission device 1 includes a power transmission case 2 to which a power transmission coil 20 is attached, and the power transmission case 2 is moved up and down in the Z direction by an elevating mechanism 4 described later.

送電ケース２は、Ｚ方向における最も下限の位置である格納位置と、格納位置から所定の距離だけ上昇した特定の充電位置との間を進退移動可能に設けられている。送電ケース２の充電位置は、車両９の種類や車両９の車高の高さに応じて適宜設定される。ただし、送電ケース２の位置は、車両用送電装置１の状態を限定するものではない。つまり、送電ケース２が充電位置にあることが、必ずしも車両用送電装置１が充電していることを意味するものではない。 The power transmission case 2 is provided so as to be able to move back and forth between a storage position, which is the lowest position in the Z direction, and a specific charging position that is elevated by a predetermined distance from the storage position. The charging position of the power transmission case 2 is appropriately set according to the type of the vehicle 9 and the height of the vehicle 9. However, the position of the power transmission case 2 does not limit the state of the vehicle power transmission device 1. That is, the fact that the power transmission case 2 is at the charging position does not necessarily mean that the vehicle power transmission device 1 is charged.

電源設備８は、例えば商用電源、自家発電機、バッテリー等の蓄電装置からなる。電源設備８は、設置面７ａに対して固定され、図示しない電源供給部から供給される商用交流電力を高周波の電力に変換し、当該電力を車両用送電装置１に電源ケーブル８０を介して出力する。 The power supply facility 8 includes, for example, a commercial power supply, a private power generator, and a power storage device such as a battery. The power supply facility 8 is fixed to the installation surface 7 a, converts commercial AC power supplied from a power supply unit (not shown) into high-frequency power, and outputs the power to the vehicle power transmission device 1 via the power cable 80. To do.

図１（ｂ）に示すように、車両用送電装置１は、送電コイル２０が取り付けられた送電ケース２と、設置面７ａに配置されたベース３と、送電ケース２とベース３との間に配置されて送電ケース２を弾性的に支持する支持部材としての第１乃至第４スプリング４３１〜４３４（図１（ｂ）では第１及び第２スプリング４３１，４３２のみ図示する）と、を備えている。 As shown in FIG. 1B, the vehicle power transmission device 1 includes a power transmission case 2 to which a power transmission coil 20 is attached, a base 3 placed on an installation surface 7 a, and a power transmission case 2 and a base 3. First to fourth springs 431 to 434 (only the first and second springs 431 and 432 are shown in FIG. 1B) as a supporting member that is disposed and elastically supports the power transmission case 2. There is.

第１乃至第４スプリング４３１〜４３４は、送電ケース２に対して設置面７ａから遠ざかる上昇方向に弾性力を付与している。本実施の形態では、送電ケース２の姿勢及び安定性を考慮して、本発明における支持部材として４つのスプリングを設けているが、支持部材の数はこれに限定されない。支持部材は、例えば１つでも２つでもよい。なお、第１乃至第４スプリング４３１〜４３４は、本発明における「弾性部材」に相当する。 The first to fourth springs 431 to 434 apply an elastic force to the power transmission case 2 in an ascending direction away from the installation surface 7a. In the present embodiment, four springs are provided as support members in the present invention in consideration of the posture and stability of power transmission case 2, but the number of support members is not limited to this. The number of supporting members may be one or two, for example. The first to fourth springs 431 to 434 correspond to the "elastic member" in the present invention.

本実施の形態では、第１乃至第４スプリング４３１〜４３４にコイルばねを用いているがこれに限定されない。例えば、送電ケース２の格納位置におけるＺ方向の寸法を小さくすることを考慮して、圧縮されたときのＺ方向の長さを小さくできる円錐バネやたる型ばねを用いてもよい。 In the present embodiment, coil springs are used as the first to fourth springs 431 to 434, but the present invention is not limited to this. For example, in consideration of reducing the dimension in the Z direction at the storage position of the power transmission case 2, a conical spring or a barrel spring that can reduce the length in the Z direction when compressed may be used.

送電ケース２の表面２２ａ（後述するカバー部２２の表面）が受電装置９０の対向面９０ａと接触した状態において、受電装置９０に電力が供給される。 Power is supplied to the power receiving device 90 in a state where the surface 22a of the power transmission case 2 (the surface of the cover portion 22 described later) is in contact with the facing surface 90a of the power receiving device 90.

この構成によれば、送電ケース２が第１乃至第４スプリング４３１〜４３４に弾性的に支持されているので、受電装置９０の位置が上下方向に変位し、あるいは設置面７ａに対して傾斜した場合に、送電ケース２の表面２２ａが受電装置９０の対向面９０ａと接触した状態を維持することが可能である。 According to this configuration, since the power transmission case 2 is elastically supported by the first to fourth springs 431 to 434, the position of the power receiving device 90 is displaced in the vertical direction or inclined with respect to the installation surface 7a. In this case, the surface 22a of the power transmission case 2 can be kept in contact with the facing surface 90a of the power receiving device 90.

受電装置９０の対向面９０ａに車両用送電装置１の送電ケース２が接触した状態において、車両用送電装置１に電源設備８から電力が供給されると、送電コイル２０に電流が流れて、送電コイル２０と受電コイル９１とが磁気的に結合する。これにより、車両用送電装置１から受電装置９０に対して非接触で電力が供給される。 When power is supplied from the power supply facility 8 to the vehicle power transmission device 1 in a state where the power transmission case 2 of the vehicle power transmission device 1 is in contact with the facing surface 90a of the power reception device 90, a current flows through the power transmission coil 20 to transmit power. The coil 20 and the power receiving coil 91 are magnetically coupled. As a result, electric power is supplied from the vehicle power transmitting device 1 to the power receiving device 90 in a contactless manner.

受電装置９０に供給される電力は、受電コイル９１によって蓄電池９２に供給されて当該蓄電池９２に蓄えられる。この蓄電池９２に蓄えられた電力によって不図示の電動機を駆動させることで車両９が走行する。 The power supplied to the power receiving device 90 is supplied to the storage battery 92 by the power receiving coil 91 and is stored in the storage battery 92. The vehicle 9 runs by driving an electric motor (not shown) with the electric power stored in the storage battery 92.

（車両用送電装置の構成）
図２（ａ）及び（ｂ）は、車両用送電装置１の外観を示す斜視図である。図３は、車両用送電装置１の構成を示す分解斜視図である。 (Structure of power transmission device for vehicle)
2A and 2B are perspective views showing the external appearance of the vehicle power transmission device 1. FIG. 3 is an exploded perspective view showing the configuration of the vehicle power transmission device 1.

図２及び図３に示すように、車両用送電装置１は、前述した送電ケース２及びベース３と、送電ケース２を上下方向に昇降する昇降機構４と、を備えている。 As shown in FIGS. 2 and 3, the vehicle power transmission device 1 includes the power transmission case 2 and the base 3 described above, and the lifting mechanism 4 that lifts and lowers the power transmission case 2 in the vertical direction.

昇降機構４は、駆動力を発生する一対の駆動ユニット４０と、一対の駆動ユニット４０にそれぞれ対応して設けられる第１及び第２ワイヤ４４１，４４２と、第１乃至第４スプリング４３１〜４３４と、で構成される。一対の駆動ユニット４０はそれぞれ同じ構成であるので、以下の説明では一方の駆動ユニット４０についてのみ説明する。 The elevating mechanism 4 includes a pair of drive units 40 that generate a drive force, first and second wires 441 and 442 provided corresponding to the pair of drive units 40, and first to fourth springs 431 to 434. ,,. Since the pair of drive units 40 have the same configuration, only one drive unit 40 will be described below.

（送電ケース）
送電ケース２は、板状の送電パッド２３を収容するケース部２１と、ケース部２１の中央部に形成された貫通孔２１ａ（後述する図４，５に示す）を閉塞するカバー部２２と、を有している。送電パッド２３には、送電コイル２０（図１に示す）が格納されている。送電パッド２３は、カバー部２２の裏面に取り付けられて、ケース部２１の貫通孔２１ａ内に位置している。 (Transmission case)
The power transmission case 2 includes a case portion 21 that accommodates a plate-shaped power transmission pad 23, a cover portion 22 that closes a through hole 21a (shown in FIGS. 4 and 5 to be described later) formed in a central portion of the case portion 21, have. The power transmission coil 23 (shown in FIG. 1) is stored in the power transmission pad 23. The power transmission pad 23 is attached to the back surface of the cover 22 and is located inside the through hole 21 a of the case 21.

ケース部２１は、耐久性及び防水性を兼ね備えた金属や樹脂で形成される。カバー部２２は、送電パッド２３に収納された送電コイル２０から発生した磁界を受電コイルに向けてそのまま透過させるために、磁性を有さない樹脂等で形成される。 The case portion 21 is formed of metal or resin having both durability and waterproofness. The cover portion 22 is formed of resin or the like having no magnetism so that the magnetic field generated from the power transmission coil 20 housed in the power transmission pad 23 is directly transmitted to the power reception coil.

（ベース）
ベース３は、一対の長板部３０,３０と、一対の長板部３０，３０をそれぞれ連結する一対の連結部３１，３１と、を有している。一対の連結部３１，３１のうち一方の連結部３１は、一対の長板部３０，３０のそれぞれの一方の端部同士を連結し、他方の連結部３１は一対の長板部３０，３０のそれぞれの他方の端部同士を連結する。本実施の形態では、ベース３の剛性を確保するために、連結部３１にリブ部３１０を設けている。 (base)
The base 3 has a pair of long plate portions 30 and 30 and a pair of connecting portions 31 and 31 that connect the pair of long plate portions 30 and 30, respectively. One of the pair of connecting portions 31, 31 connects one end of each of the pair of long plate portions 30, 30, and the other connecting portion 31 forms the pair of long plate portions 30, 30. The other ends of the respective are connected. In the present embodiment, the rib portion 310 is provided in the connecting portion 31 in order to secure the rigidity of the base 3.

長板部３０としては、例えば金属材料を用いることができる。連結部３１としては、例えば合成樹脂製の材料を用いることができる。 As the long plate portion 30, for example, a metal material can be used. As the connecting portion 31, for example, a synthetic resin material can be used.

長板部３０の表面（上下方向における送電ケース２側の面）には、後述する駆動ユニット４０が収容されるユニットケース５が配置されている。ユニットケース５は、上側が開口した直方形状の収納部５０と、収納部５０の開口を塞ぐ蓋部５１と、を有している。 On the surface of the long plate portion 30 (the surface on the power transmission case 2 side in the vertical direction), a unit case 5 in which a drive unit 40 described later is housed is arranged. The unit case 5 has a rectangular parallelepiped storage part 50 having an open upper side, and a lid part 51 closing the opening of the storage part 50.

長板部３０の長手方向（Ｘ方向）の端部に位置する表面には、第１乃至第４スプリング４３１〜４３４の何れか１つのスプリングを配置するためのスプリング配置部３０１が設けられている。スプリング配置部３０１は、第１乃至第４スプリング４３１〜４３４に対応して４つ設けられている。また、スプリング配置部３０１には、第１乃至第４スプリング４３１〜４３４の径方向におけるスプリングの位置ずれを防止するために、上方向に僅かに突出した円筒状の突出部３０１ａが設けられている。 A spring arranging portion 301 for arranging any one of the first to fourth springs 431 to 434 is provided on the surface of the long plate portion 30 located at the end portion in the longitudinal direction (X direction). .. Four spring disposing portions 301 are provided corresponding to the first to fourth springs 431 to 434. In addition, the spring placement portion 301 is provided with a cylindrical protruding portion 301a that slightly protrudes upward in order to prevent displacement of the first to fourth springs 431 to 434 in the radial direction. ..

（駆動ユニット）
駆動ユニット４０は、アクチュエータ４１と、アクチュエータ４１の出力を受けて回転するドラム４２と、を有している。 (Drive unit)
The drive unit 40 has an actuator 41 and a drum 42 that rotates by receiving the output of the actuator 41.

ドラム４２には、第１及び第２ワイヤ４４１，４４２がそれぞれ巻き回されている。ドラム４２は、その回転軸Ｏ（後述する図８に示す）が上下方向（Ｚ方向）に沿うように、配置されている。 First and second wires 441 and 442 are wound around the drum 42, respectively. The drum 42 is arranged such that its rotation axis O (shown in FIG. 8 described later) is along the vertical direction (Z direction).

第１ワイヤ４４１は、その一端がドラム４２に連結され、他端が送電ケース２におけるケース部２１に連結している。また第１ワイヤ４４１は、ドラム４２と送電ケース２との間に位置し、かつ、ユニットケース５の収納部５０の内部に設けられた方向転換部５０１（後述する図９参照）によって支持されている。これにより、ドラム４２からＸ方向に配索される第１ワイヤ４４１が、方向転換部５０１を介して上下方向に沿って配索される。以上説明した第１ワイヤ４４１についての構成は、第２ワイヤ４４２についても同様である。 One end of the first wire 441 is connected to the drum 42, and the other end is connected to the case portion 21 of the power transmission case 2. The first wire 441 is located between the drum 42 and the power transmission case 2 and is supported by the direction changing section 501 (see FIG. 9 described later) provided inside the storage section 50 of the unit case 5. There is. Accordingly, the first wire 441 routed from the drum 42 in the X direction is routed along the up-down direction via the direction changing section 501. The configuration of the first wire 441 described above is the same for the second wire 442.

（送電ケースのケース部）
図４は、送電ケース２のケース部２１の構成を示す斜視図である。図５（ａ）は、ケース部２１の上面図であり、図５（ｂ）はケース部２１の底面図である。 (Case part of power transmission case)
FIG. 4 is a perspective view showing the configuration of the case portion 21 of the power transmission case 2. FIG. 5A is a top view of the case portion 21, and FIG. 5B is a bottom view of the case portion 21.

送電ケース２のケース部２１は、板状に形成されおり、上下方向に沿って見た形状が矩形状である。また、ケース部２１は、その中心部が板厚方向（Ｚ方向）に貫通した貫通孔２１ａを有している。この貫通孔２１ａの内部の空間が、送電パッド２３が収容される収容空間として設けられている。貫通孔２１ａにおける内部の空間が、本発明における「第１の収容部」に相当する。 The case portion 21 of the power transmission case 2 is formed in a plate shape, and has a rectangular shape when viewed in the up-down direction. Further, the case portion 21 has a through hole 21a whose central portion penetrates in the plate thickness direction (Z direction). The space inside the through hole 21a is provided as a housing space for housing the power transmission pad 23. The internal space of the through hole 21a corresponds to the "first housing portion" of the present invention.

ケース部２１の表面には、第１及び第２ワイヤ４４１，４４２のそれぞれの端部に設けられたワイヤエンド４４１ａ，４４２ａを連結するための取付穴２１ｂが４つ形成されている。 On the surface of the case portion 21, four mounting holes 21b for connecting the wire ends 441a and 442a provided at the respective ends of the first and second wires 441 and 442 are formed.

ケース部２１の裏面には、その長手方向（Ｘ方向）に延在して表面側に窪んだ凹部２１０と、第１及び第２ワイヤ４４１，４４２を挿通するための挿通孔２１ｃが４つ形成されている。挿通孔２１ｃと、前述した取付穴２１ｂとは連通している。 On the back surface of the case portion 21, a recess 210 extending in the longitudinal direction (X direction) and recessed on the front surface side, and four insertion holes 21c for inserting the first and second wires 441 and 442 are formed. Has been done. The insertion hole 21c and the mounting hole 21b described above communicate with each other.

ケース部２１の凹部２１０は、図１（ａ）に示す送電ケース２の格納位置において、ユニットケース５を送電ケース２内に収納するための空間として設けられている。 The recess 210 of the case portion 21 is provided as a space for housing the unit case 5 in the power transmission case 2 at the storage position of the power transmission case 2 shown in FIG.

ケース部２１の裏面の四隅には、第１乃至第４スプリング４３１〜４３４をそれぞれ取り付けるためのスプリング取付部２１１が４つ設けられている。スプリング取付部２１１は、上下方向に沿って見た形状が円形である。スプリング取付部２１１は、ケース部２１の裏面から表面側に向かって窪んで形成されており、送電ケース２の格納位置において、第１乃至第４スプリング４３１〜４３４を収納するための空間として設けられている。 Four spring mounting portions 211 for mounting the first to fourth springs 431 to 434 are provided at four corners on the back surface of the case portion 21. The spring mounting portion 211 has a circular shape when viewed in the up-down direction. The spring attachment portion 211 is formed to be recessed from the back surface of the case portion 21 toward the front surface side, and is provided as a space for accommodating the first to fourth springs 431 to 434 at the storage position of the power transmission case 2. ing.

図５（ｂ）に示すように、ケース部２１を上下方向に沿って見た場合に、凹部２１０及びスプリング取付部２１１が、貫通孔２１ａの周囲を取り囲む位置に設けられている。換言すれば、ケース部２１を上下方向に沿って見た場合に、凹部２１０及びスプリング取付部２１１が、貫通孔２１ａと重ならない位置に配置されている。 As shown in FIG. 5B, when the case portion 21 is viewed in the up-down direction, the recess 210 and the spring attachment portion 211 are provided at positions surrounding the through hole 21a. In other words, when the case portion 21 is viewed in the up-down direction, the recess 210 and the spring attachment portion 211 are arranged at positions that do not overlap the through hole 21a.

つまり、本実施の形態では、ケース部２１の中心部に送電パッド２３を収容するスペースとして貫通孔２１ａを設け、この貫通孔２１ａの周囲に第１乃至第４スプリング４３１〜４３４及び駆動ユニット４０を収容するスペースを設けることで省スペースを図っている。また、この構成によれば、送電コイル２０による電力の供給が、他の構成部品によって阻害されない。 That is, in the present embodiment, the through hole 21a is provided in the center of the case portion 21 as a space for accommodating the power transmission pad 23, and the first to fourth springs 431 to 434 and the drive unit 40 are provided around the through hole 21a. Space is saved by providing a space to accommodate it. Further, according to this configuration, the power supply by the power transmission coil 20 is not hindered by the other components.

ケース部２１の貫通孔２１ａは、Ｚ方向に沿って見た形状が八角形状である。貫通孔２１ａの形状はこれに限定されないが、ＸＹ平面における面積がより大きい送電パッド２３を収容可能にすることを考慮して、多角形状であることが望ましい。これにより、例えば円形状に形成されている場合に比較して、より大きな送電パッド２３を収容できる。 The through hole 21a of the case portion 21 has an octagonal shape when viewed along the Z direction. The shape of the through hole 21a is not limited to this, but it is preferably a polygonal shape in consideration of allowing the power transmission pad 23 having a larger area in the XY plane to be accommodated. As a result, a larger power transmission pad 23 can be accommodated as compared with, for example, a case where the power transmission pad 23 has a circular shape.

なお、凹部２１０及びスプリング取付部２１１は、本発明における「第２の収容部」に相当する。 The recess 210 and the spring mounting portion 211 are features that correspond to the "second housing portion" according to this invention.

図６（ａ）は、車両用送電装置１の上面図であり、図６（ｂ）は、側面図であり、図６（ｃ）は、正面図である。図７は、非使用状態における車両用送電装置１の正面図である。図６及び図７では、送電パッド２３、ユニットケース５、及び第１乃至第４スプリング４３１〜４３４を破線で示している。 FIG. 6A is a top view of the vehicle power transmission device 1, FIG. 6B is a side view, and FIG. 6C is a front view. FIG. 7 is a front view of the vehicle power transmission device 1 in the non-use state. 6 and 7, the power transmission pad 23, the unit case 5, and the first to fourth springs 431 to 434 are indicated by broken lines.

図６（ａ）に示すように、ユニットケース５と第１乃至第４スプリング４３１〜４３４は、送電パッド２３が配置される中央部の外側であって、送電パッド２３を取り囲む位置に配置されている。 As shown in FIG. 6A, the unit case 5 and the first to fourth springs 431 to 434 are arranged outside the central portion where the power transmission pad 23 is arranged and at a position surrounding the power transmission pad 23. There is.

図７に示すように、送電ケース２の格納位置においては、ユニットケース５が送電ケース２におけるケース部２１の凹部２１０に収容され、かつ、第１乃至第４スプリング４３１〜４３４が圧縮された状態で送電ケース２におけるケース部２１のスプリング取付部２１１に収容されている。 As shown in FIG. 7, in the storage position of the power transmission case 2, the unit case 5 is accommodated in the recess 210 of the case portion 21 of the power transmission case 2, and the first to fourth springs 431 to 434 are compressed. Are housed in the spring mounting portion 211 of the case portion 21 of the power transmission case 2.

本実施の形態では、送電ケース２の格納位置において、車両用送電装置１を設置面７ａに沿ったＹ方向に見た場合に、駆動ユニット４０を収容したユニットケース５が送電コイル２０を収容した送電パッド２３と重なる位置に設けられている。 In the present embodiment, when the vehicle power transmission device 1 is viewed in the Y direction along the installation surface 7a at the storage position of the power transmission case 2, the unit case 5 that houses the drive unit 40 houses the power transmission coil 20. It is provided at a position overlapping with the power transmission pad 23.

これにより、送電ケース２の格納位置における車両用送電装置１の上下方向の寸法を小さくすることが可能である。 As a result, the vertical dimension of the vehicle power transmission device 1 at the storage position of the power transmission case 2 can be reduced.

（駆動ユニット）
図８は、ユニットケース５に収容された駆動ユニット４０の構成を示す平面図である。 (Drive unit)
FIG. 8 is a plan view showing the configuration of the drive unit 40 housed in the unit case 5.

駆動ユニット４０は、ユニットケース５の収納部５０内に形成された収容空間５０ａに収容されている。収容部５０は、Ｚ方向の上方が開口している。駆動ユニット４０は、ドラム４２がユニットケース５の長手方向（Ｘ方向）における収納部５０の中央部に位置するように配置されている。これにより、ドラム４２と方向転換部５０１との間に配索される第１ワイヤ４４１の長さと、第２ワイヤ４４２の長さが等しくなる。 The drive unit 40 is housed in a housing space 50 a formed in the housing part 50 of the unit case 5. The accommodation portion 50 is open at the upper side in the Z direction. The drive unit 40 is arranged such that the drum 42 is located at the center of the storage section 50 in the longitudinal direction (X direction) of the unit case 5. As a result, the length of the first wire 441 arranged between the drum 42 and the direction changing portion 501 becomes equal to the length of the second wire 442.

駆動ユニット４０のアクチュエータ４１は、モータ４１１と、モータ４１１の回転を減速する減速機４１２と、を有している。減速機４１２は、モータ４１１の出力を受けて回転する第１のギヤ部４１２ａと、第１のギヤ部４１２ａの回転を減速してドラム４２に出力する第２のギヤ部４１２ｂと、を有している。 The actuator 41 of the drive unit 40 includes a motor 411 and a speed reducer 412 that reduces the rotation of the motor 411. The speed reducer 412 includes a first gear portion 412a that receives the output of the motor 411 and rotates, and a second gear portion 412b that reduces the rotation of the first gear portion 412a and outputs the reduced speed to the drum 42. ing.

モータ４１１が回転すると、ドラム４２が回転軸Ｏを中心として時計回り方向（矢印Ｒ方向）に回転し、第１及び第２ワイヤ４４１，４４２がそれぞれ送り出される。一方、モータ４１１が逆回転すると、ドラム４２が回転軸Ｏを中心として反時計回り方向（矢印Ｑ方向）に回転し、第１及び第２ワイヤ４４１，４４２がそれぞれ巻き取られる。 When the motor 411 rotates, the drum 42 rotates in the clockwise direction (arrow R direction) about the rotation axis O, and the first and second wires 441 and 442 are respectively fed. On the other hand, when the motor 411 rotates in the reverse direction, the drum 42 rotates in the counterclockwise direction (direction of arrow Q) about the rotation axis O, and the first and second wires 441 and 442 are wound up.

ドラム４２から導出される第１ワイヤ４４１は、方向転換部５０１によって上下方向に沿って配索方向を転換され、ユニットケース５の収納部５０から外部に導出されている。第２ワイヤ４４２についても同様である。 The first wire 441 led out from the drum 42 has its wiring direction changed along the up-down direction by the direction changing portion 501, and is led out from the housing portion 50 of the unit case 5 to the outside. The same applies to the second wire 442.

第１ワイヤ４４１のドラム４２に連結される端部とは反対側の端部には、ワイヤエンド４４１ａが設けられている。同様に、第２ワイヤ４４２のドラム４２に連結される端部とは反対側の端部には、ワイヤエンド４４２ａが設けられている。 A wire end 441a is provided at the end of the first wire 441 opposite to the end connected to the drum 42. Similarly, a wire end 442a is provided at the end of the second wire 442 opposite to the end connected to the drum 42.

（車両用送電装置１の昇降動作）
次に、車両用送電装置１の昇降動作について図９を参照して説明する。図９は、図６（ａ）において、駆動ユニット４０を含むＡ−Ａ線に沿った断面図である。 (Elevating operation of the vehicle power transmission device 1)
Next, the lifting operation of the vehicle power transmission device 1 will be described with reference to FIG. 9. FIG. 9 is a cross-sectional view taken along the line AA including the drive unit 40 in FIG.

アクチュエータ４１のモータ４１１が回転すると、ドラム４２によって第１及び第２ワイヤ４４１，４４２が矢印Ａ方向に沿ってそれぞれ送り出されると共に、送電ケース２が第１乃至第４スプリング４３１〜４３４（図９では第１及び第２スプリング４３１，４４２のみ示す）の弾性力を受けて上昇する。 When the motor 411 of the actuator 41 rotates, the drum 42 sends the first and second wires 441 and 442 along the direction of arrow A, and the power transmission case 2 causes the first to fourth springs 431 to 434 (in FIG. 9). The elastic force of only the first and second springs 431 and 442 is shown) to increase.

一方、アクチュエータ４１のモータ４１１が逆回転すると、ドラム４２によって第１及び第２ワイヤ４４１，４４２が矢印Ｂ方向に沿ってそれぞれ巻き取られると共に、送電ケース２が第１乃至第４スプリング４３１〜４３４（図９では第１及び第２スプリング４３１，４３２のみ示す）の弾性力に抗して下降する。 On the other hand, when the motor 411 of the actuator 41 rotates in the reverse direction, the drum 42 winds the first and second wires 441 and 442 respectively along the arrow B direction, and the power transmission case 2 moves the first to fourth springs 431 to 434. (In FIG. 9, only the first and second springs 431 and 432 are shown) and the elastic force is lowered.

次に、車両用送電装置１の作用及び効果について図１０を参照して説明する。 Next, the operation and effect of the vehicle power transmission device 1 will be described with reference to FIG.

図１０（ａ）は、車両９の車高が上昇した際における車用送電装置１の動作、図１０（ｂ）は、車両９の車高が下降した際における車用送電装置１の動作、図１０（ｃ）は、車両９が設置面７ａに対して傾いた際における車用送電装置１の動作を模式的に示した説明図である。 10A shows the operation of the vehicle power transmission device 1 when the vehicle height of the vehicle 9 rises, and FIG. 10B shows the operation of the vehicle power transmission device 1 when the vehicle height of the vehicle 9 drops. FIG. 10C is an explanatory diagram schematically showing the operation of the vehicle power transmission device 1 when the vehicle 9 is tilted with respect to the installation surface 7a.

なお、図１０（ａ）〜（ｃ）では、第１乃至第４スプリング４３１〜４３４のうち第１及び第２スプリング４３１，４３２のみ示し、車高変動後の車両９、送電ケース２、並びに第１及び第２スプリング４３１，４３２を二点鎖線で示している。 10A to 10C, only the first and second springs 431 and 432 of the first to fourth springs 431 to 434 are shown, and the vehicle 9, the power transmission case 2, and the The first and second springs 431 and 432 are indicated by a chain double-dashed line.

ところで、車両９の充電中、つまり車両用送電装置１の送電ケース２が充電位置にあって受電装置９０の対向面９０ａと送電ケース２の表面２２ａとが接触した状態で乗員が乗降する場合がある。この際、乗員の乗降に伴って車高が変動するため、受電装置９０の対向面９０ａと送電ケース２の表面２２ａとの間における位置ずれが生じて充電効率の低下を引き起こすおそれがある。 By the way, when the vehicle 9 is being charged, that is, when the power transmission case 2 of the vehicle power transmission device 1 is at the charging position and the facing surface 90a of the power receiving device 90 and the surface 22a of the power transmission case 2 are in contact with each other, an occupant may get on and off. is there. At this time, the vehicle height fluctuates as the occupant gets in and out of the vehicle, so that there is a possibility that a positional shift occurs between the facing surface 90a of the power receiving device 90 and the surface 22a of the power transmission case 2 and the charging efficiency is reduced.

例えば、車高が上昇した場合には、受電装置９０の対向面９０ａが送電ケース２から遠ざかる方向に移動して、受電装置９０の対向面９０ａと送電ケース２の表面２２ａとの間に隙間ができるため、送電効率の低下の要因となる。 For example, when the vehicle height increases, the facing surface 90a of the power receiving device 90 moves in a direction away from the power transmitting case 2, and a gap is formed between the facing surface 90a of the power receiving device 90 and the surface 22a of the power transmitting case 2. As a result, it causes a decrease in power transmission efficiency.

また、車高が傾動した場合には、受電装置９０の対向面９０ａと送電ケース２の表面２２ａとが非平行となるので、これも送電効率の低下の要因となる。 Further, when the vehicle height tilts, the facing surface 90a of the power receiving device 90 and the surface 22a of the power transmission case 2 become non-parallel, which also causes a reduction in power transmission efficiency.

車高が下降した場合には、受電装置９０の対向面９０ａが下方に移動するので、この場合には送電ケース２も下方へ移動できないと、車両用送電装置１に対して負荷がかかるため、故障等の要因になるという別の問題がある。 When the vehicle height decreases, the facing surface 90a of the power receiving device 90 moves downward, and in this case, if the power transmission case 2 cannot move downward, a load is applied to the vehicle power transmitting device 1, There is another problem that causes factors such as breakdown.

本実施の形態に係る車両用送電装置１は、上記した問題を鑑みて構成されたものであり、その作用及び効果について以下で説明する。 The vehicle power transmission device 1 according to the present embodiment is configured in view of the above problems, and its operation and effect will be described below.

図１０（ａ）に示すように、車両９の車高が上昇した場合には受電装置９０の対向面９０ａの位置が上方へ変位する。これに伴って、車両用送電装置１の送電ケース２が、第１及び第２スプリング４３１，４３２の弾性力によって上方へ移動する。この際、送電ケース２は、その表面２２ａが受電装置９０の対向面９０ａと接触した状態を維持するように、上方へ移動する。このように、車両用送電装置１の送電ケース２は、車両９の受電装置９０の上昇に追従するように変位する。なお、送電ケース２の上方への移動は、例えば送電ケース２の表面２２ａが受電装置９０の対向面９０ａから離れたことを検出した後、モータ４１１を回転させて第１及び第２ワイヤ４４１，４４２をそれぞれ送り出すことによって行うことができる。 As shown in FIG. 10A, when the vehicle height of the vehicle 9 rises, the position of the facing surface 90a of the power receiving device 90 is displaced upward. Along with this, the power transmission case 2 of the vehicle power transmission device 1 moves upward due to the elastic force of the first and second springs 431 and 432. At this time, the power transmission case 2 moves upward so that the surface 22a of the power transmission case 2 is kept in contact with the facing surface 90a of the power receiving device 90. In this way, the power transmission case 2 of the vehicle power transmission device 1 is displaced so as to follow the rise of the power receiving device 90 of the vehicle 9. The upward movement of the power transmission case 2 is performed by, for example, detecting that the surface 22a of the power transmission case 2 is separated from the facing surface 90a of the power receiving device 90, and then rotating the motor 411 to move the first and second wires 441, 441. This can be done by sending out 442 respectively.

図１０（ｂ）に示すように、車両９の車高が下降した場合には受電装置９０の対向面９０ａの位置が下方へ変位する。これに伴って、車両用送電装置１の送電ケース２が、第１及び第２スプリング４３１，４３２を圧縮するように下方へ移動する。この際、第１及び第２スプリング４３１，４３２は圧縮に応じた弾性力を送電ケース２に対して付与しているので、送電ケース２の表面２２ａと受電装置９０の対向面９０ａとは接触した状態が維持される。このように、車両用送電装置１の送電ケース２は、車両９の受電装置９０の下降に追従するように変位する。 As shown in FIG. 10B, when the vehicle height of the vehicle 9 is lowered, the position of the facing surface 90a of the power receiving device 90 is displaced downward. Along with this, the power transmission case 2 of the vehicle power transmission device 1 moves downward so as to compress the first and second springs 431 and 432. At this time, since the first and second springs 431 and 432 provide the elastic force corresponding to the compression to the power transmission case 2, the surface 22a of the power transmission case 2 and the facing surface 90a of the power receiving device 90 are in contact with each other. The state is maintained. In this way, the power transmission case 2 of the vehicle power transmission device 1 is displaced so as to follow the lowering of the power receiving device 90 of the vehicle 9.

図１０（ｃ）に示すように、車両９の車高が傾動した場合には受電装置９０の対向面９０ａが送電ケース２の表面２２ａに対して傾く。これに伴って、第１スプリング４３１が圧縮すると共に第２スプリング４３２が伸長する。つまり、送電ケース２の表面２２ａと受電装置９０の対向面９０ａとの接触状態が維持されるように、送電ケース２が傾動する。このように、車両用送電装置１の送電ケース２は、車両９の受電装置９０の傾動に追従するように変位する。なお、第２スプリング４３２の伸長は、例えば上記送電ケース２の上方への移動と同様に行うことができる。 As shown in FIG. 10C, when the vehicle height of the vehicle 9 tilts, the facing surface 90 a of the power receiving device 90 tilts with respect to the surface 22 a of the power transmission case 2. Along with this, the first spring 431 is compressed and the second spring 432 is expanded. That is, the power transmission case 2 tilts so that the contact state between the surface 22a of the power transmission case 2 and the facing surface 90a of the power receiving device 90 is maintained. In this way, the power transmission case 2 of the vehicle power transmission device 1 is displaced so as to follow the tilting of the power receiving device 90 of the vehicle 9. The extension of the second spring 432 can be performed, for example, in the same manner as the upward movement of the power transmission case 2.

以上説明したように、本実施の形態では、受電装置９０の対向面９０ａと表面２２ａとを接触させた状態を維持するように、送電ケース２が第１乃至第４スプリング４３１〜４３４によって弾性的に支持されている。これにより、車両９における車高の変動に伴って受電装置９０の位置が移動した場合であっても、受電装置９０の対向面９０ａと送電ケース２の表面２２ａとの間における位置ずれを抑制することができる。つまり、車高変動に伴う充電効率の低下を抑制することができる。 As described above, in the present embodiment, the power transmission case 2 is elastic by the first to fourth springs 431 to 434 so as to maintain the state where the facing surface 90a and the surface 22a of the power receiving device 90 are in contact with each other. Supported by. Accordingly, even if the position of the power receiving device 90 moves due to the change in the vehicle height of the vehicle 9, the positional deviation between the facing surface 90a of the power receiving device 90 and the surface 22a of the power transmission case 2 is suppressed. be able to. That is, it is possible to suppress a decrease in charging efficiency due to vehicle height variation.

また、車両用送電装置１は、送電ケース２の表面２２ａの異物を検知する検知手段と、検知手段によって異物を検知した場合に送電ケース２を傾動させるように駆動ユニット４０を制御する制御部を備えていてもよい。これにより、送電ケース２の表面２２ａに異物がある場合には、送電ケース２が傾動するように駆動ユニット４０を制御することにより、異物を落下させることが可能である。これにより、異物による送電効率の低下を抑制することができる。なお、一対の駆動ユニット４０のうち一方の駆動ユニット４０だけを作動させて第１及び第２スプリング４３１，４３２のみの弾性力によって送電ケース２の片端だけ上昇させることにより、意図的に送電ケース２を傾動させることが可能である。 Further, the vehicle power transmission device 1 includes a detection unit that detects foreign matter on the surface 22a of the power transmission case 2, and a control unit that controls the drive unit 40 to tilt the power transmission case 2 when the detection unit detects the foreign matter. You may have it. Thus, when foreign matter is present on the surface 22a of the power transmission case 2, the foreign matter can be dropped by controlling the drive unit 40 so that the power transmission case 2 tilts. As a result, it is possible to suppress a decrease in power transmission efficiency due to foreign matter. Note that, by operating only one drive unit 40 of the pair of drive units 40 and raising only one end of the power transmission case 2 by the elastic force of only the first and second springs 431 and 432, the power transmission case 2 is intentionally It is possible to tilt.

（実施の形態のまとめ）
次に、以上説明した実施の形態から把握される技術思想について、実施の形態における符号等を援用して記載する。ただし、以下の記載における各符号等は、特許請求の範囲における構成要素を実施の形態に具体的に示した部材等に限定するものではない。 (Summary of Embodiments)
Next, the technical idea understood from the above-described embodiment will be described with reference to the reference numerals and the like in the embodiment. However, each symbol and the like in the following description is not intended to limit the constituent elements in the claims to the members and the like specifically shown in the embodiments.

［１］車両（９）が駐車される駐車スペースの設置面（７ａ）に設置されて、前記車両（９）に搭載された受電装置（９０）に内蔵される受電コイル（９１）に対して非接触で電力を供給する送電コイル（２０）が内蔵される車両用送電装置（１）であって、前記送電コイル（２０）が取り付けられた送電ケース（２）と、前記送電ケース（２）と前記設置面（７ａ）との間に配置されて前記送電ケース（２）を弾性的に支持する支持部材（４３１〜４３４）と、を備えている、車両用送電装置（１）。 [1] With respect to the power receiving coil (91) built in the power receiving device (90) installed in the vehicle (9) installed on the installation surface (7a) of the parking space in which the vehicle (9) is parked A power transmission device (1) for a vehicle, comprising a power transmission coil (20) for supplying electric power in a contactless manner, the power transmission case (2) having the power transmission coil (20) attached, and the power transmission case (2). A power transmission device (1) for a vehicle, comprising: a support member (431 to 434) that is disposed between the installation surface (7a) and elastically supports the power transmission case (2).

［２］前記支持部材（４３１〜４３４）は、前記送電ケース（２）に対して前記設置面（７ａ）から遠ざかる上昇方向に弾性力を付与する複数の弾性部材（４３１〜４３４）からなる、［１］に記載の車両用送電装置（１）。 [2] The support members (431 to 434) include a plurality of elastic members (431 to 434) that apply elastic force to the power transmission case (2) in an ascending direction away from the installation surface (7a). The vehicle power transmission device (1) according to [1].

［３］前記設置面（７ａ）に配置されたベース（３）と、モータ（４１１）と、前記モータ（４１１）の回転によって回転されるドラム（４２）と、前記ドラム（４２）に巻き回され、一端が前記送電ケース（２）または前記ベース（３）のいずれか一方に連結されて他端が前記ドラム（４２）に連結されるワイヤ（４４１，４４２）と、を有し、前記送電ケース（２）は、前記モータ（４１１）の正回転に伴う前記ワイヤ（４４１，４４２）の送り出しと共に前記弾性部材（４３１〜４３４）の弾性力を受けて上昇し、前記モータ（４１１）の逆回転に伴う前記ワイヤ（４４１，４４２）の巻き取りによって前記弾性力に抗して下降する、前記［１］又は［２］に記載の車両用送電装置（１）。 [3] A base (3) arranged on the installation surface (7a), a motor (411), a drum (42) rotated by rotation of the motor (411), and a drum (42) wound around the drum (42). And a wire (441, 442) having one end connected to either the power transmission case (2) or the base (3) and the other end connected to the drum (42). The case (2) rises by receiving the elastic force of the elastic members (431 to 434) together with the sending out of the wires (441, 442) accompanying the forward rotation of the motor (411), and the reverse of the motor (411). The vehicle power transmission device (1) according to [1] or [2], which descends against the elastic force due to winding of the wires (441, 442) accompanying rotation.

［４］前記送電ケース（２）は、その中心部に設けられて前記送電コイル（２）を収容する第１の収容部（２１ａ）と、前記送電ケース（２）の昇降方向に沿って見た場合において前記第１の収容部（２１ａ）と重ならない位置に配置されて、前記モータ（４１１）、前記ドラム（４２）、前記ワイヤ（４４１，４４２）、及び前記弾性部材（４３１〜４３４）を収容可能な第２の収容部（２１０，２１１）と、を有している、［３］に記載の車両用送電装置（１）。 [4] The power transmission case (2) is viewed along the first housing portion (21a) provided in the center of the power transmission case (2) for housing the power transmission coil (2) and in the vertical direction of the power transmission case (2). In this case, the motor (411), the drum (42), the wires (441, 442), and the elastic members (431 to 434) are arranged at positions that do not overlap with the first accommodating portion (21a). And a second accommodating portion (210, 211) capable of accommodating the power transmission device (1) according to [3].

［５］車両（９）が駐車される駐車スペースの設置面（７ａ）に設置されて、前記車両（９）に搭載された受電装置（９０）に内蔵される受電コイル（９１）に対して非接触で電力を供給する送電コイル（２）が内蔵される車両用送電装置（１）であって、前記送電コイル（２）が取り付けられた送電ケース（２）と、前記送電ケース（２）と前記設置面（７ａ）との間で伸縮自在に設けられて前記送電ケース（２）を上昇方向に押圧する押圧部材（４３１〜４３４）と、を備えている、車両用送電装置（１）。 [5] The power receiving coil (91) installed in the power receiving device (90) installed in the vehicle (9) installed on the installation surface (7a) of the parking space in which the vehicle (9) is parked A power transmission device (1) for a vehicle, comprising a power transmission coil (2) for supplying electric power in a non-contact manner, the power transmission case (2) having the power transmission coil (2) attached, and the power transmission case (2). And a pressing member (431 to 434) provided between the installation surface (7a) and the installation surface (7a) so as to expand and contract, and press the power transmission case (2) in a rising direction. ..

以上、本発明の実施の形態を説明したが、上記に記載した実施の形態は特許請求の範囲に係る発明を限定するものではない。 Although the embodiment of the invention has been described above, the embodiment described above does not limit the invention according to the claims.

上記実施の形態では、１つの駆動ユニット４０に対応して第１及び第２ワイヤ４４１，４４２が設けられていたが、駆動ユニット４０の数はこれに限定されない。例えば、１つの駆動ユニット４０に対して１つのワイヤを設けてもよい。この場合には、車両用送電装置１は、４つの駆動ユニット４０と、４つの駆動ユニット４０のそれぞれに対応する４つのワイヤとを備えることになる。 In the above-described embodiment, the first and second wires 441 and 442 are provided corresponding to one drive unit 40, but the number of drive units 40 is not limited to this. For example, one wire may be provided for one drive unit 40. In this case, the vehicle power transmission device 1 includes four drive units 40 and four wires corresponding to the four drive units 40, respectively.

送電ケース２の格納位置において、送電ケース２の上昇方向への移動を規制するロック機構を設けてもよい。 At the storage position of the power transmission case 2, a lock mechanism that restricts the movement of the power transmission case 2 in the upward direction may be provided.

また、送電ケース２を所定の充電位置でロックするロック機構を設けてもよい。これにより、例えばアクチュエータ４１が故障した場合や、第１及び第２ワイヤ４４１，４４２が切断された場合に、送電ケース２が第１乃至第４スプリング４３１〜４３４の弾性力によって上方へ飛び出すことを防止することができる。 Further, a lock mechanism for locking the power transmission case 2 at a predetermined charging position may be provided. This prevents the power transmission case 2 from jumping upward by the elastic force of the first to fourth springs 431 to 434 when the actuator 41 fails or the first and second wires 441 and 442 are cut. Can be prevented.

また、車両用送電装置１は、第１乃至第４スプリング４３１〜４３４を備えているが、これに限定されず、第１乃至第４スプリング４３１〜４３４の代わりに、送電ケース２を上昇方向（設置面７ａから遠ざかる方向）に向かって押圧する押圧部材を備えていてもよい。この押圧部材としては、送電ケース２を上昇方向の押圧力を付加する部材であればよく、例えば、ガスによる反力を備えたガススプリング等でもよい。 Further, the vehicle power transmission device 1 includes the first to fourth springs 431 to 434, but is not limited to this, and instead of the first to fourth springs 431 to 434, the power transmission case 2 is moved in the upward direction ( A pressing member that presses in a direction away from the installation surface 7a) may be provided. The pressing member may be any member that applies a pressing force to the power transmission case 2 in the ascending direction, and may be, for example, a gas spring having a reaction force by gas.

また、実施の形態の中で説明した特徴の組合せの全てが発明の課題を解決するための手段に必須であるとは限らない点に留意すべきである。本発明は、その趣旨を逸脱しない範囲で適宜変形して実施することが可能である。 It should be noted that not all combinations of the features described in the embodiments are essential to the means for solving the problems of the invention. The present invention can be appropriately modified and implemented without departing from the spirit of the present invention.

１…車両用送電装置
２…送電ケース
３…ベース
５…ユニットケース
７ａ…設置面
８…電源設備
９…車両
２０…送電コイル
２１…ケース部
２２…カバー部
２３…送電パッド
４０…駆動ユニット
４１…アクチュエータ
４２…ドラム
９０…受電装置
９０ａ…対向面
９１…受電コイル
９２…蓄電池
１００…車両用充電システム
４３１…第１スプリング
４３２…第２スプリング
４３３…第３スプリング
４３４…第４スプリング
４４１…第１ワイヤ
４４２…第２ワイヤ DESCRIPTION OF SYMBOLS 1... Vehicle power transmission device 2... Power transmission case 3... Base 5... Unit case 7a... Installation surface 8... Power supply equipment 9... Vehicle 20... Power transmission coil 21... Case part 22... Cover part 23... Power transmission pad 40... Drive unit 41... Actuator 42... Drum 90... Power receiving device 90a... Opposing surface 91... Power receiving coil 92... Storage battery 100... Vehicle charging system 431... First spring 432... Second spring 433... Third spring 434... Fourth spring 441... First wire 442... second wire

Claims (5)

車両が駐車される駐車スペースの設置面に設置されて、前記車両に搭載された受電装置に内蔵される受電コイルに対して非接触で電力を供給する送電コイルが内蔵される車両用送電装置であって、
前記送電コイルが取り付けられた送電ケースと、
前記送電ケースと前記設置面との間に配置されて前記送電ケースを弾性的に支持する支持部材と、を備えている、
車両用送電装置。 A power transmission device for a vehicle, which is installed on an installation surface of a parking space in which a vehicle is parked, and which includes a power transmission coil that supplies electric power in a non-contact manner to a power reception coil incorporated in a power reception device mounted on the vehicle. There
A power transmission case to which the power transmission coil is attached,
A support member that is disposed between the power transmission case and the installation surface to elastically support the power transmission case,
Vehicle power transmission device. 前記支持部材は、前記送電ケースに対して前記設置面から遠ざかる上昇方向に弾性力を付与する複数の弾性部材からなる、
請求項１に記載の車両用送電装置。 The support member includes a plurality of elastic members that apply an elastic force to the power transmission case in an ascending direction away from the installation surface.
The vehicle power transmission device according to claim 1. 前記設置面に配置されたベースと、モータと、前記モータの回転によって回転されるドラムと、前記ドラムに巻き回され、一端が前記送電ケースまたは前記ベースのいずれか一方に連結されて他端が前記ドラムに連結されるワイヤと、を有し、
前記送電ケースは、前記モータの正回転に伴う前記ワイヤの送り出しと共に前記支持部材の弾性力を受けて上昇し、前記モータの逆回転に伴う前記ワイヤの巻き取りによって前記弾性力に抗して下降する、
請求項１又は２に記載の車両用送電装置。 A base disposed on the installation surface, a motor, a drum rotated by rotation of the motor, and wound around the drum, one end of which is connected to one of the power transmission case or the base and the other end of which is connected. A wire connected to the drum,
The power transmission case rises by receiving the elastic force of the support member as well as feeding the wire in accordance with the forward rotation of the motor, and lowers against the elastic force by winding the wire in association with the reverse rotation of the motor. To do
The vehicle power transmission device according to claim 1. 前記送電ケースは、その中心部に設けられて前記送電コイルを収容する第１の収容部と、前記送電ケースの昇降方向に沿って見た場合において前記第１の収容部と重ならない位置に配置されて、前記モータ、前記ドラム、前記ワイヤ、及び前記弾性部材を収容可能な第２の収容部と、を有している、
請求項３に記載の車両用送電装置。 The power transmission case is disposed at a central portion of the power transmission case and accommodates the power transmission coil, and a position that does not overlap with the first storage portion when viewed in a vertical direction of the power transmission case. And a second accommodating portion capable of accommodating the motor, the drum, the wire, and the elastic member,
The vehicle power transmission device according to claim 3. 車両が駐車される駐車スペースの設置面に設置されて、前記車両に搭載された受電装置に内蔵される受電コイルに対して非接触で電力を供給する送電コイルが内蔵される車両用送電装置であって、前記送電コイルが取り付けられた送電ケースと、前記送電ケースと前記設置面との間で伸縮自在に設けられて前記送電ケースを上昇方向に押圧する押圧部材と、を備えている、車両用送電装置。 A power transmission device for a vehicle, which is installed on an installation surface of a parking space where a vehicle is parked, and which includes a power transmission coil that supplies electric power to the power reception device incorporated in the vehicle in a contactless manner. A vehicle comprising: a power transmission case to which the power transmission coil is attached; and a pressing member that is provided between the power transmission case and the installation surface so as to be expandable and contractible and presses the power transmission case in a rising direction. Power transmission device.
JP2018218244A 2018-11-21 2018-11-21 Vehicle power transmission device Pending JP2020089012A (en)

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