JP2010166756A - Charging port of electric vehicle - Google Patents

Charging port of electric vehicle Download PDF

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Publication number
JP2010166756A
JP2010166756A JP2009008602A JP2009008602A JP2010166756A JP 2010166756 A JP2010166756 A JP 2010166756A JP 2009008602 A JP2009008602 A JP 2009008602A JP 2009008602 A JP2009008602 A JP 2009008602A JP 2010166756 A JP2010166756 A JP 2010166756A
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Prior art keywords
vehicle
cable
ground
charging port
grounding
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JP2009008602A
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Japanese (ja)
Inventor
Tsuyoshi Yano
剛志 矢野
Yuu Kito
由宇 鬼頭
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Toyota Motor Corp
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Toyota Motor Corp
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Priority to JP2009008602A priority Critical patent/JP2010166756A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • 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
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging 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
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/30—Preventing theft during charging
    • B60L2270/32—Preventing theft during charging of electricity
    • 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
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/30—Preventing theft during charging
    • B60L2270/34—Preventing theft during charging of parts
    • 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
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To ground a cable using a simple and convenient method in an electric vehicle. <P>SOLUTION: The charging port 20 of the electric vehicle includes respective male plugs 34a, 34b, 34c by which power supply cables of an external power supply and grounding cables are electrically connected to each other, vehicular power cables 35a, 35b, an insulator body 21, and an insulator flange 22 installed at the outside of the body 21 and fixed to a chassis 11 by grounding bolts 40, wherein metal colors 30 are embedded in the flange 22 and electrically connected to the chassis 11 via the grounding bolts 40, a bus bar 31 is configured with one end electrically connected to the metal color 30 and the other end extended inside the body 21, and ground lines 36a, 36b, 36c connect the bus bar 31, shields of the vehicular power cables 35a, 35b and a vehicular grounding cable 35c. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、電動車両の充電口の構造に関する。   The present invention relates to a structure of a charging port of an electric vehicle.

モータによって車両を駆動する電気自動車等の電動車両には、モータを駆動するための駆動源として充放電可能な二次電池を搭載している。二次電池は車両の走行によって放電するので、残存容量が所定の容量まで低下してきたら充電を行う必要がある。このため、電動車両には、外部の電源に接続して充電を行うことができる充電口が設けられ、充電口に家庭用電源などの外部電源に接続された充電コネクタを嵌合させて外部電源の電源ケーブルと電動車両の電力ケーブルとを接続して、外部電源によって電動車両の二次電池の充電を行うことが多い（例えば、特許文献１参照）。   An electric vehicle such as an electric vehicle that drives the vehicle with a motor is equipped with a chargeable / dischargeable secondary battery as a drive source for driving the motor. Since the secondary battery is discharged as the vehicle travels, it is necessary to charge the battery when the remaining capacity decreases to a predetermined capacity. For this reason, the electric vehicle is provided with a charging port that can be connected to an external power source for charging, and a charging connector connected to an external power source such as a household power source is fitted into the charging port to connect the external power source. In many cases, a secondary battery of an electric vehicle is charged by an external power source by connecting the power cable of the electric vehicle and the power cable of the electric vehicle (see, for example, Patent Document 1).

また、電動車両は駆動用の大きな電気機器が搭載されているので、各電気機器の漏電を防止するために接地ケーブルが設けられている。この接地ケーブルは、車体に接続することによって各電気機器を接地するものである。また、充電口から車両の二次電池に電力を供給する車両電力ケーブルは、ノイズ防止のためにシールドケーブルが用いられ、そのシールドケーブルのシールドも接地されている。従来、これらの接地ケーブル等の接地は車両に特定の接地用座を設け、この接地用座にボルト等で接地ケーブルや車両電力ケーブルのシールドに接続された接地線を固定していた（例えば、特許文献２参照）。   Moreover, since the electric vehicle is equipped with a large electric device for driving, a grounding cable is provided in order to prevent electric leakage of each electric device. This grounding cable is used to ground each electrical device by connecting to the vehicle body. Further, a shielded cable is used as a vehicle power cable for supplying power from the charging port to the secondary battery of the vehicle, and the shield of the shielded cable is also grounded. Conventionally, the grounding of these grounding cables or the like has been provided with a specific grounding seat on the vehicle, and the grounding wire connected to the shield of the grounding cable or the vehicle power cable with a bolt or the like is fixed to this grounding seat (for example, Patent Document 2).

特許第３２９２２７８号明細書Japanese Patent No. 3292278 特開平５−２７６６７４号明細書Japanese Patent Application Laid-Open No. 5-276664

一方、近年、従来のガソリンエンジン搭載の車体の内部に電動用の各機器を搭載して電動車両を開発する場合がある。この場合、電気機器に対応した大きな接地用座を新たに設けることが必要となり、車体設計、製造を変更する必要から、車両開発が遅れたり、座の新設により車両の製造コストが上昇したりするという問題があった。   On the other hand, in recent years, there is a case where an electric vehicle is developed by mounting electric devices inside a vehicle body equipped with a conventional gasoline engine. In this case, it is necessary to newly provide a large grounding seat corresponding to the electrical equipment, and it is necessary to change the vehicle body design and manufacturing, so that vehicle development is delayed or the cost of manufacturing the vehicle increases due to the new installation of the seat. There was a problem.

そこで、本発明は、電動車両において簡便な方法でケーブルの接地を行うことを目的とする。   Accordingly, an object of the present invention is to ground a cable by a simple method in an electric vehicle.

外部電源の電源ケーブルと接地ケーブルとが電気的に接続される各接続プラグと、各接続プラグに接続される車両電力ケーブルと車両接地ケーブルの各一端とが内部に取り付けられる絶縁体の本体と、本体の外部に設けられ、アースボルトによって車体に固定される絶縁体のフランジと、を備える電動車両の充電口であって、フランジに埋め込まれ、アースボルトを介して車体と電気的に接続される金属部材と、一端が金属部材に電気的に接続され、他端が本体内部に延びるバスバーと、バスバーと、車両電力ケーブルのシールド並びに車両接地ケーブルと、を接続する接地線と、を有することを特徴とする。   Each connection plug to which the power cable of the external power supply and the ground cable are electrically connected, the vehicle power cable connected to each connection plug, and each end of the vehicle ground cable, and the body of the insulator attached inside, A charging port of an electric vehicle provided with an insulator flange provided outside the main body and fixed to the vehicle body by a ground bolt, embedded in the flange, and electrically connected to the vehicle body via the ground bolt A metal member, and a bus bar having one end electrically connected to the metal member and the other end extending into the main body, and a ground wire connecting the bus bar, the shield of the vehicle power cable, and the vehicle ground cable. Features.

本発明の充電口において、本体の車体側に接続され、車両電力ケーブルの一部と車両接地ケーブルの一部とを覆うグロメットを備え、接地線は、グロメットの内部で車両電力ケーブルのシールドと車両接地ケーブルとに接続されていること、としても好適である。   The charging port of the present invention includes a grommet that is connected to the vehicle body side of the main body and covers a part of the vehicle power cable and a part of the vehicle grounding cable, and the grounding wire includes a shield of the vehicle power cable and the vehicle inside the grommet. It is also preferable that it is connected to a ground cable.

本発明は、電動車両において簡便な方法でケーブルの接地を行うことができるという効果を奏する。   The present invention has an effect that a cable can be grounded by a simple method in an electric vehicle.

本発明の実施形態における充電口が取り付けられた電気自動車の斜視図である。It is a perspective view of the electric vehicle with which the charging port in embodiment of this invention was attached. 本発明の充電口を示す斜視図である。It is a perspective view which shows the charging port of this invention. 本発明の充電口の平面と断面とを示す説明図である。It is explanatory drawing which shows the plane and cross section of the charging port of this invention.

以下、本発明の好適な実施形態について図面を参照しながら説明する。図１に示すように、本実施形態の充電口２０は、電気自動車１０の車体１１のフェンダー部分に設けられた凹部１２の中にアースボルト４０によって固定されている。また、凹部１２には開閉自在のリッド１３が取り付けられている。電気自動車１０を充電する際には、リッド１３を開けて充電口２０を露出させ、外部電源に接続された図示しない充電コネクタを充電口２０に差し込んで嵌合させて充電する。充電が終了したら充電コネクタを取り外し、リッド１３を閉める。   Preferred embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the charging port 20 of the present embodiment is fixed by a ground bolt 40 in a recess 12 provided in a fender portion of a vehicle body 11 of an electric vehicle 10. An openable / closable lid 13 is attached to the recess 12. When charging the electric vehicle 10, the lid 13 is opened to expose the charging port 20, and a charging connector (not shown) connected to an external power supply is inserted into the charging port 20 to be charged. When charging is completed, the charging connector is removed and the lid 13 is closed.

図２に示すように、電気自動車１０に取り付けられている充電口２０は、絶縁体である樹脂によって形成された筒状の本体２１と、本体２１の外部に設けられた樹脂製のフランジ２２とを備えている。筒状の本体２１の内部には図示しない充電コネクタの円筒形の端子収容部が入り込む樹脂製の複数のスリーブ２４ａから２４ｅが設けられている。スリーブ２４ａ、２４ｂは充電コネクタのプラス側及びマイナス側の電源の収容端子が入り込み、スリーブ２４ｃには充電コネクタの接地用の収容端子が入り込み、スリーブ２４ｄ，２４ｅにはそれぞれ充電コネクタの信号用の収容端子が入り込む。電源の収容端子が入りこむスリーブ２４ａ，２４ｂと接地用の収容端子が入り込むスリーブ２４ｃとは信号用の収容端子が入り込むスリーブ２４ｄ，２４ｅよりも大きくなっている。また、本体２１の外面には、本体２１の端面側をカバーする蓋２８を取り付けるためのリブ２７と、蓋２８の先端が係合して蓋２８を閉状態に保持する爪２６と、爪２６を支持するリブ２５が設けられている。また、本体２１の外面には図示しない充電コネクタのフックが係合する係合部２９が設けられている。各リブ２５，２７と係合部２９とは樹脂成形によって一体に成形されている。   As shown in FIG. 2, the charging port 20 attached to the electric vehicle 10 includes a cylindrical main body 21 formed of resin as an insulator, and a resin flange 22 provided outside the main body 21. It has. Inside the cylindrical main body 21, a plurality of resin sleeves 24a to 24e into which cylindrical terminal accommodating portions of a charging connector (not shown) enter are provided. The sleeves 24a and 24b receive the positive and negative power supply receiving terminals of the charging connector, the sleeve 24c receives the charging connector grounding receiving terminal, and the sleeves 24d and 24e respectively store the charging connector signals. The terminal enters. The sleeves 24a and 24b into which the power receiving terminals are inserted and the sleeve 24c into which the ground receiving terminals are inserted are larger than the sleeves 24d and 24e into which the signal receiving terminals are inserted. Further, on the outer surface of the main body 21, a rib 27 for attaching a lid 28 that covers the end surface side of the main body 21, a claw 26 that engages with a tip of the lid 28 to hold the lid 28 in a closed state, and a claw 26 Are provided. Further, an engaging portion 29 is provided on the outer surface of the main body 21 to engage with a hook of a charging connector (not shown). The ribs 25 and 27 and the engaging portion 29 are integrally formed by resin molding.

フランジ２２は、角型で、各コーナー部分には充電口２０を車体１１の凹部１２に固定するためのアースボルト４０が貫通する円筒形の金属カラー３０と、金属カラー３０に電気的に接続しているバスバー３１が設けられている。金属カラー３０とバスバー３１とは樹脂成形の際にフランジ２２と一体に成形されている。円筒状の金属カラー３０の端面はフランジ２２の車体１１側と車体１１側と反対側とに露出している。   The flange 22 has a rectangular shape, and is electrically connected to the metal collar 30 and a cylindrical metal collar 30 through which a ground bolt 40 for fixing the charging port 20 to the recess 12 of the vehicle body 11 passes at each corner portion. A bus bar 31 is provided. The metal collar 30 and the bus bar 31 are formed integrally with the flange 22 during resin molding. The end face of the cylindrical metal collar 30 is exposed on the vehicle body 11 side of the flange 22 and on the side opposite to the vehicle body 11 side.

フランジ２２よりも車体１１側の本体２１には円錐型でジャバラ状のグロメット３２が取り付けられ、グロメット３２の車体１１側はハーネス３３に接続されている。   A conical and bellows-shaped grommet 32 is attached to the body 21 on the vehicle body 11 side of the flange 22, and the vehicle body 11 side of the grommet 32 is connected to a harness 33.

図３（ａ）に示すように、樹脂製の本体２１の内部に設けられた各スリーブ２４ａから２４ｅの中心にはそれぞれ充電コネクタの各収容端子に設けられた雌プラグと電気的に接続される雄プラグ３４ａから３４ｅが設けられている。図３（ｂ）は図３（ａ）のＡＡ断面を示すものであるが、スリーブとプラグについては充電コネクタの電源の収容端子が入り込むスリーブ２４ａ，２４ｂと接地用の収容端子が入り込むスリーブ２４ｃの３つのスリーブを模式的に示し、信号用のスリーブ２４ｄ，２４ｅについては図示していない。図３（ｂ）に示すように、スリーブ２４ａ，２４ｂには電源用の雄プラグ３４ａ，３４ｂが取り付けられており、各プラグ３４ａ，３４ｂには車両電力ケーブル３５ａ，３５ｂが接続されている。また、スリーブ２４ｃには接地用の雄プラグ３４ｃが設けられ、雄プラグ３４ｃには電気自動車１０に搭載された各電気機器の接地端が接続される車両接地ケーブル３５ｃが接続されている。各ケーブル３５ａ，３５ｂ，３５ｃは、グロメット３２の内部で集合してハーネス３３の内部に延びている。車両電力ケーブルはシールドケーブルで、電流を流す芯線の周囲に絶縁層を介して金属製の網のシールドが形成されている。   As shown in FIG. 3 (a), the centers of the sleeves 24a to 24e provided in the resin main body 21 are electrically connected to the female plugs provided in the receiving terminals of the charging connector. Male plugs 34a to 34e are provided. FIG. 3 (b) shows the AA cross section of FIG. 3 (a). As for the sleeve and the plug, sleeves 24a and 24b into which the power receiving terminals of the charging connector enter and sleeves 24c into which the grounding receiving terminals enter. Three sleeves are schematically shown, and the signal sleeves 24d and 24e are not shown. As shown in FIG. 3B, male plugs 34a, 34b for power supply are attached to the sleeves 24a, 24b, and vehicle power cables 35a, 35b are connected to the plugs 34a, 34b. The sleeve 24c is provided with a male plug 34c for grounding, and the male plug 34c is connected to a vehicle grounding cable 35c to which a grounding end of each electric device mounted on the electric vehicle 10 is connected. The cables 35 a, 35 b, and 35 c are gathered inside the grommet 32 and extend inside the harness 33. A vehicle power cable is a shielded cable, and a metal net shield is formed around an insulation layer through an insulating layer.

図３（ｂ）に示すように、樹脂製のフランジ２２に一体として埋め込まれた金属カラー３０に電気的に接続しているバスバー３１は、フランジ２２の内部で金属カラー３０から本体２１の内部に向かって延び、Ｌ字形に折れ曲がって円筒形状の本体２１の長手方向に車体１１の内部に向かって延びている。そして、バスバー３１と車両電力ケーブル３５ａ，３５ｂのシールドとの間にはノイズ防止のために接地線３６ａ，３６ｂが接続されている。また、車両接地ケーブル３５ｃの内部の芯線とバスバー３１との間も接地線３６ｃによって接続されている。各接地線３６ａ，３６ｂ，３６ｃと各車両電力ケーブル３５ａ，３５ｂのシールド、車両接地ケーブル３５ｃの芯線とはグロメット３２の内部において接続されている。   As shown in FIG. 3B, the bus bar 31 electrically connected to the metal collar 30 embedded integrally with the resin flange 22 extends from the metal collar 30 to the inside of the main body 21 inside the flange 22. It extends toward the inside of the vehicle body 11 in the longitudinal direction of the cylindrical main body 21 by bending in an L shape. And ground lines 36a and 36b are connected between the bus bar 31 and the shields of the vehicle power cables 35a and 35b to prevent noise. Further, the core wire inside the vehicle ground cable 35c and the bus bar 31 are also connected by the ground wire 36c. Each ground wire 36a, 36b, 36c, the shield of each vehicle power cable 35a, 35b, and the core wire of the vehicle ground cable 35c are connected inside the grommet 32.

図３（ｂ）に示すように、充電口２０はフランジ２２に一体に設けられた金属カラー３０にアースボルト４０を通し、アースボルト４０を車体１１と一体となっている凹部１２を形成する金属板にねじ込むことによって凹部１２に固定されている。アースボルト４０は、ねじ込む際に車体１１の凹部１２表面の塗装を剥がして凹部１２の金属板と電気的に接続されるものである。また、フランジ２２の金属カラー３０はその車体１１の凹部１２と反対側にある端面が露出しているので、アースボルト４０が金属カラー３０を通して凹部１２の金属板にねじ込まれると、金属カラー３０の端面とアースボルト４０の頭部とが接触し、アースボルト４０と金属カラー３０とが電気的に接続される。   As shown in FIG. 3B, the charging port 20 is a metal that forms a recess 12 in which the ground bolt 40 is integrated with the vehicle body 11 by passing a ground bolt 40 through a metal collar 30 that is integrally provided on the flange 22. It is being fixed to the recessed part 12 by screwing in a board. The earth bolt 40 is to be electrically connected to the metal plate of the recess 12 by peeling off the coating on the surface of the recess 12 of the vehicle body 11 when screwed. Further, since the end surface of the metal collar 30 of the flange 22 opposite to the recess 12 of the vehicle body 11 is exposed, when the ground bolt 40 is screwed into the metal plate of the recess 12 through the metal collar 30, the metal collar 30. The end face and the head of the ground bolt 40 are in contact with each other, and the ground bolt 40 and the metal collar 30 are electrically connected.

以上のように構成されていることから、本実施形態の充電口２０をアースボルト４０によって車体１１の凹部１２の金属板に固定すると、各車両電力ケーブル３５ａ，３５ｂのシールドと車両接地ケーブル３５ｃの芯線とはそれぞれ接地線３６ａ，３６ｂ，３６ｃを介してバスバー３１に電気的に接続され、バスバー３１は金属カラー３０、アースボルト４０を介して車体１１に電気的に接続され、車体接地される。   Since it is configured as described above, when the charging port 20 of the present embodiment is fixed to the metal plate of the recess 12 of the vehicle body 11 by the ground bolt 40, the shield of each vehicle power cable 35a, 35b and the vehicle ground cable 35c The core wire is electrically connected to the bus bar 31 via ground wires 36a, 36b, and 36c, respectively. The bus bar 31 is electrically connected to the vehicle body 11 via the metal collar 30 and the ground bolt 40, and is grounded.

以上説明した本実施形態では、充電口２０をアースボルト４０によって車体１１の凹部１２に固定すると同時に車両電力ケーブル３５ａ，３５ｂのシールドと車両接地ケーブル３５ｃの芯線との車体接地を同時に行うことができるので、電動車両において簡便な方法で各ケーブル３５ａ，３５ｂ，３５ｃの接地を行うことができる。また、接地のために新たな接地用の座を形成する必要がないことから、コスト上昇を抑制することができる。   In the present embodiment described above, the charging port 20 is fixed to the recess 12 of the vehicle body 11 by the ground bolt 40, and at the same time, the vehicle body grounding of the shield of the vehicle power cables 35a and 35b and the core wire of the vehicle grounding cable 35c can be performed simultaneously. Therefore, the cables 35a, 35b, and 35c can be grounded by a simple method in the electric vehicle. Moreover, since it is not necessary to form a new grounding seat for grounding, an increase in cost can be suppressed.

１０ 電気自動車、１１ 車体、１２ 凹部、１３ リッド、２０ 充電口、２１ 本体、２２ フランジ、２４ａ〜２４ｅ スリーブ、２５，２７ リブ、２６ 爪、２８ 蓋、２９ 係合部、３０ 金属カラー、３１ バスバー、３２ グロメット、３３ ハーネス、３４ａ〜３４ｅ 雄プラグ、３５ａ，３５ｂ 車両電力ケーブル、３５ｃ 車両接地ケーブル、３６ａ，３６ｂ，３６ｃ 接地線、４０ アースボルト。   DESCRIPTION OF SYMBOLS 10 Electric vehicle, 11 Car body, 12 Concave part, 13 Lid, 20 Charging port, 21 Main body, 22 Flange, 24a-24e Sleeve, 25, 27 Rib, 26 Claw, 28 Lid, 29 Engagement part, 30 Metal color, 31 Busbar , 32 Grommet, 33 Harness, 34a-34e Male plug, 35a, 35b Vehicle power cable, 35c Vehicle ground cable, 36a, 36b, 36c Ground wire, 40 Ground bolt.

Claims (2)

外部電源の電源ケーブルと接地ケーブルとが電気的に接続される各接続プラグと、各接続プラグに接続される車両電力ケーブルと車両接地ケーブルの各一端とが内部に取り付けられる絶縁体の本体と、
本体の外部に設けられ、アースボルトによって車体に固定される絶縁体のフランジと、を備える電動車両の充電口であって、
フランジに埋め込まれ、アースボルトを介して車体と電気的に接続される金属部材と、
一端が金属部材に電気的に接続され、他端が本体内部に延びるバスバーと、
バスバーと、車両電力ケーブルのシールド並びに車両接地ケーブルとを接続する接地線と、
を有することを特徴とする電動車両の充電口。 Each connection plug to which the power cable of the external power source and the ground cable are electrically connected, the vehicle power cable to be connected to each connection plug, and each end of the vehicle ground cable, and the body of the insulator that is attached inside,
A charging port of an electric vehicle including an insulating flange provided outside the main body and fixed to the vehicle body by a ground bolt,
A metal member embedded in the flange and electrically connected to the vehicle body via a ground bolt;
A bus bar having one end electrically connected to the metal member and the other end extending into the body;
A ground wire connecting the bus bar to the shield of the vehicle power cable and the vehicle ground cable;
A charging port for an electric vehicle characterized by comprising: 請求項１に記載の充電口であって、
本体の車体側に接続され、車両電力ケーブルの一部と車両接地ケーブルの一部とを覆うグロメットを備え、
接地線は、グロメットの内部で車両電力ケーブルのシールドと車両接地ケーブルとに接続されていること、
を特徴とする電動車両の充電口。 The charging port according to claim 1,
A grommet that is connected to the vehicle body side of the main body and covers a part of the vehicle power cable and a part of the vehicle grounding cable,
The ground wire is connected to the shield of the vehicle power cable and the vehicle ground cable inside the grommet,
An electric vehicle charging port.
JP2009008602A 2009-01-19 2009-01-19 Charging port of electric vehicle Pending JP2010166756A (en)

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