JP4991674B2 - Charging cable unit - Google Patents

Charging cable unit Download PDF

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Publication number
JP4991674B2
JP4991674B2 JP2008277421A JP2008277421A JP4991674B2 JP 4991674 B2 JP4991674 B2 JP 4991674B2 JP 2008277421 A JP2008277421 A JP 2008277421A JP 2008277421 A JP2008277421 A JP 2008277421A JP 4991674 B2 JP4991674 B2 JP 4991674B2
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Prior art keywords
vehicle
connector
charging cable
charging
plug
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JP2008277421A
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JP2010110054A (en
Inventor
達哉 向井
洋次 南
哲 上野
潔 後藤
志朗 森
博俊 渡邉
孝二 垣内
博史 大屋
友好 林
豊 高田
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to JP2008277421A priority Critical patent/JP4991674B2/en
Priority to US13/060,866 priority patent/US8737026B2/en
Priority to CN200980133471.7A priority patent/CN102132468B/en
Priority to KR1020117005041A priority patent/KR20110043731A/en
Priority to PCT/IB2009/006608 priority patent/WO2010023527A2/en
Priority to PCT/IB2009/007187 priority patent/WO2010049773A2/en
Publication of JP2010110054A publication Critical patent/JP2010110054A/en
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Publication of JP4991674B2 publication Critical patent/JP4991674B2/en
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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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
    • 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
    • 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
    • B60L53/18—Cables 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
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/67—Controlling two or more 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
    • 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)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Description

本発明は、電気自動車を充電するための充電ケーブルユニットに関するものである。   The present invention relates to a charging cable unit for charging an electric vehicle.

従来より、電気自動車に搭載されたバッテリを充電するための充電装置が提供されている（例えば特許文献１参照）。この充電装置では、ケーブルを介してその先端部に設けられたコネクタを、電気自動車側の受電用のコネクタに接続することで上記バッテリに充電されるようになっている。
特開平５−３２８６１９号公報（段落［０００８］−段落［００１０］、及び、第１図） Conventionally, a charging device for charging a battery mounted on an electric vehicle has been provided (see, for example, Patent Document 1). In this charging apparatus, the battery is charged by connecting a connector provided at the tip of the battery via a cable to a power receiving connector on the electric vehicle side.
JP-A-5-328619 (paragraph [0008] -paragraph [0010] and FIG. 1)

上述の特許文献１に示した充電装置では、電気自動車に接続されるケーブルが１本しか設けられていないため、複数の電気自動車に充電する場合には、充電が完了した電気自動車からケーブルを外すとともに次の電気自動車に接続しなければならず、手間がかかっていた。また、通常は夜間に充電することになるため、本充電装置では１台しか充電できなかった。   In the charging device shown in Patent Document 1 described above, only one cable connected to the electric vehicle is provided. Therefore, when charging a plurality of electric vehicles, the cables are disconnected from the electric vehicles that have been charged. At the same time, it had to be connected to the next electric car, which was troublesome. In addition, since the battery is normally charged at night, only one battery can be charged with this charging apparatus.

本発明は上記問題点に鑑みて為されたものであり、その目的とするところは、複数の電気自動車に対して充電する際の作業効率を向上させた充電ケーブルユニットを提供することにある。   The present invention has been made in view of the above problems, and an object of the present invention is to provide a charging cable unit with improved work efficiency when charging a plurality of electric vehicles.

請求項１の発明は、商用電源が供給されるプラグ受けに着脱自在に接続される差込プラグと、それぞれ電気自動車側のコネクタに着脱自在に接続され、対応する電気自動車のバッテリに充電電流を供給する複数の車両接続用コネクタと、複数の車両接続用コネクタおよび差込プラグがそれぞれ充電ケーブルを介して接続され、複数の車両接続用コネクタの中から給電先のコネクタを選択し、選択した車両接続用コネクタから充電電流を供給させる選択手段と、充電ケーブルに流れる漏洩電流を検出する漏電検知手段とを備え、選択手段は、複数の車両接続用コネクタの中から選択したコネクタに切り替えるための切替接点と、複数の車両接続用コネクタの何れにも接続されない未接続接点とを有し、選択した車両接続用コネクタに対応する電気自動車への充電が完了すると、次の給電先の車両接続用コネクタを自動的に選択し、漏電検知手段により漏電が検出されると未接続接点に切り替えることを特徴とする。ここに、電気自動車とは、バッテリのみを動力源とする自動車を含むとともに、バッテリとガソリンとを動力源として併用する所謂ハイブリッド自動車を含むものとする。 According to the first aspect of the present invention, the plug plug is detachably connected to the plug receptacle to which the commercial power is supplied, and is detachably connected to the connector on the electric vehicle side, and the charging current is supplied to the battery of the corresponding electric vehicle. A plurality of vehicle connection connectors to be supplied, a plurality of vehicle connection connectors and an insertion plug are connected to each other via a charging cable, and a power supply destination connector is selected from the plurality of vehicle connection connectors, and the selected vehicle A selection means for supplying a charging current from the connector for connection and a leakage detection means for detecting a leakage current flowing in the charging cable , the selection means for switching to a connector selected from a plurality of vehicle connection connectors and a contact, and a non-connection contacts which are not connected to any of a plurality of vehicles connector, electrostatic corresponding to the vehicle connector selected When charging of the car is completed, automatically selects the vehicle connector of the next power supply destination, leakage by leakage detecting means and switches to the unconnected contacts to be detected. Here, the electric vehicle includes a vehicle using only a battery as a power source, and also includes a so-called hybrid vehicle using both a battery and gasoline as a power source.

請求項２の発明は、商用電源が供給されるプラグ受けに着脱自在に接続される差込プラグと、それぞれ電気自動車側のコネクタに着脱自在に接続され、対応する電気自動車のバッテリに充電電流を供給する複数の車両接続用コネクタと、複数の車両接続用コネクタおよび差込プラグがそれぞれ充電ケーブルを介して接続され、複数の車両接続用コネクタの中から給電先のコネクタを選択し、選択した車両接続用コネクタから充電電流を供給させる選択手段と、充電ケーブルに流れる漏洩電流を検出する漏電検知手段とを備え、選択手段は、複数の車両接続用コネクタの中から選択したコネクタに切り替えるための切替接点と、複数の車両接続用コネクタの何れにも接続されない未接続接点とを有し、漏電検知手段により漏電が検出されると未接続接点に切り替えることを特徴とする。 According to the second aspect of the present invention, the plug is detachably connected to the plug receptacle to which the commercial power is supplied, and is detachably connected to the connector on the electric vehicle side, and the charging current is supplied to the battery of the corresponding electric vehicle. A plurality of vehicle connection connectors to be supplied, a plurality of vehicle connection connectors and an insertion plug are connected to each other via a charging cable, and a power supply destination connector is selected from the plurality of vehicle connection connectors, and the selected vehicle A selection means for supplying a charging current from the connector for connection and a leakage detection means for detecting a leakage current flowing in the charging cable, the selection means for switching to a connector selected from a plurality of vehicle connection connectors Contact point and a non-connection contact point that is not connected to any of the plurality of vehicle connection connectors. And switches the connection contacts.

請求項３の発明は、充電ケーブルを巻き取るための巻き取り手段を設けたことを特徴とする。 The invention of claim 3 is characterized in that winding means for winding the charging cable is provided.

請求項４の発明は、複数の車両接続用コネクタと差込プラグとの間の充電ケーブルは、複数のケーブルを直列に接続して構成されることを特徴とする。 The invention of claim 4 is characterized in that the charging cable between the plurality of vehicle connection connectors and the plug is formed by connecting a plurality of cables in series.

請求項１の発明によれば、複数の電気自動車にそれぞれ接続された複数の車両接続用コネクタの中から選択手段により給電先のコネクタを選択するだけでよく、従来例に比べて作業効率を向上させることができるという効果がある。また、給電先の車両用コネクタが選択手段により順次自動的に選択されるので、複数の電気自動車にそれぞれ車両用コネクタを介して充電ケーブルを接続するだけですべての電気自動車を充電することができるという効果がある。さらに、複数の電気自動車に一度に充電する場合には、接続される車の台数に応じて電圧や電流などの充電条件を設定する必要があるが、本発明によれば１台ずつ順番に充電することになるから、充電条件を変える必要がなく使い勝手のよい充電ケーブルユニットを実現できるという効果がある。また、漏電検知手段により漏電が検出された場合、選択手段によりすべての車両接続用コネクタへの給電が遮断されるので、漏電検知手段には給電を遮断するためのリレーなどを設けなくてもよく、部品点数の削減が図れるという効果がある。 According to the first aspect of the present invention, it is only necessary to select a power supply destination connector from among a plurality of vehicle connection connectors respectively connected to a plurality of electric vehicles, and work efficiency is improved as compared with the conventional example. There is an effect that can be made. In addition, since the vehicle connector as the power supply destination is automatically and sequentially selected by the selection means, all the electric vehicles can be charged only by connecting the charging cables to the plurality of electric vehicles via the vehicle connectors. There is an effect. Furthermore, when charging a plurality of electric vehicles at a time, it is necessary to set charging conditions such as voltage and current according to the number of connected vehicles. According to the present invention, charging is performed one by one in order. Therefore, there is an effect that it is possible to realize a charging cable unit that is easy to use without changing charging conditions. In addition, when leakage is detected by the leakage detection means, the power supply to all the vehicle connection connectors is cut off by the selection means. Therefore, the leakage detection means may not be provided with a relay for cutting off the supply of power. There is an effect that the number of parts can be reduced.

請求項２の発明によれば、複数の電気自動車にそれぞれ接続された複数の車両接続用コネクタの中から選択手段により給電先のコネクタを選択するだけでよく、従来例に比べて作業効率を向上させることができるという効果がある。また、漏電検知手段により漏電が検出された場合、選択手段によりすべての車両接続用コネクタへの給電が遮断されるので、漏電検知手段には給電を遮断するためのリレーなどを設けなくてもよく、部品点数の削減が図れるという効果がある。 According to the second aspect of the present invention, it is only necessary to select a power supply destination connector from among a plurality of vehicle connection connectors respectively connected to a plurality of electric vehicles, and work efficiency is improved as compared with the conventional example. There is an effect that can be made. In addition, when leakage is detected by the leakage detection means, the power supply to all the vehicle connection connectors is cut off by the selection means. Therefore, the leakage detection means may not be provided with a relay for cutting off the supply of power. There is an effect that the number of parts can be reduced.

請求項３の発明によれば、使用時には引き出す充電ケーブルの長さを調節できるので使い勝手が向上し、また使用後は巻き取り手段を介して充電ケーブルを巻き取ることができるので収納性が向上するという効果がある。 According to the invention of claim 3 , the length of the charging cable to be pulled out can be adjusted at the time of use, so that the usability is improved, and after use, the charging cable can be wound up via the winding means, so that the storage property is improved. There is an effect.

請求項４の発明によれば、電気自動車がコンセントから離れた位置にある場合でも、複数のケーブルを直列に接続して充電ケーブルを延長することで充電作業が可能になる。また、上記選択手段を延長ケーブル側に設けているので、必要に応じて車両接続用コネクタを分岐させることができるという効果がある。 According to the invention of claim 4 , even when the electric vehicle is located away from the outlet, the charging work can be performed by connecting a plurality of cables in series and extending the charging cable. Moreover, since the selection means is provided on the extension cable side, there is an effect that the vehicle connection connector can be branched as necessary.

以下に本発明に係る充電ケーブルユニットの実施形態を図面に基づいて説明する。本発明に係る充電ケーブルユニットは、電気自動車に搭載されたバッテリに充電電流を供給するために用いられるものであり、特に複数の電気自動車に対する充電を可能とするものである。   Hereinafter, an embodiment of a charging cable unit according to the present invention will be described with reference to the drawings. The charging cable unit according to the present invention is used to supply a charging current to a battery mounted on an electric vehicle, and particularly enables charging of a plurality of electric vehicles.

（実施形態１）
図１は実施形態１の充電ケーブルユニットＢを用いた概略システム図であり、本実施形態の充電ケーブルユニットＢは、商用電源が供給されるコンセント（プラグ受け）Ａに着脱自在に接続される差込プラグ２と、それぞれ電気自動車Ｃ側のコネクタ（図示せず）に着脱自在に接続される複数（本実施形態では２個）の車両接続用コネクタ４Ａと、複数の車両接続用コネクタ４Ａの中から給電先の車両接続用コネクタ４Ａを切り替えるための切替装置（選択手段）３とを備えている。なお、上記複数の車両接続用コネクタ４Ａおよび差込プラグ２は、それぞれ充電ケーブル１を介して切替装置３に接続されている。ここに、本実施形態の電気自動車Ｃは、バッテリのみを動力源とする自動車を含むとともに、バッテリとガソリンとを動力源として併用する所謂ハイブリッド自動車を含むものとする。 (Embodiment 1)
FIG. 1 is a schematic system diagram using the charging cable unit B of the first embodiment. The charging cable unit B of the present embodiment is detachably connected to an outlet (plug receptacle) A to which commercial power is supplied. Plug connector 2, a plurality (two in this embodiment) of vehicle connection connectors 4A that are detachably connected to connectors (not shown) on the electric vehicle C side, respectively, and a plurality of vehicle connection connectors 4A And a switching device (selecting means) 3 for switching the power supply destination vehicle connection connector 4A. The plurality of vehicle connection connectors 4 </ b> A and the plugs 2 are connected to the switching device 3 via the charging cable 1. Here, the electric vehicle C of the present embodiment includes a vehicle using only a battery as a power source, and also includes a so-called hybrid vehicle using both a battery and gasoline as a power source.

車両接続用コネクタ４Ａは、図７（ａ）に示すように略円柱状のコネクタ本体を有し、コネクタ本体における充電ケーブル１と反対側の面には、電気自動車Ｃ側のコネクタに設けた複数の接続ピン（図示せず）がそれぞれ嵌合接続される複数（図７（ａ）では４個）のピン受け４１が突設されている。また、上記複数のピン受け４１の周りには、当該複数のピン受け４１を取り囲むように嵌合壁４３が突設されている。   As shown in FIG. 7A, the vehicle connection connector 4A has a substantially cylindrical connector body, and a plurality of connectors provided on the connector on the electric vehicle C side on the surface opposite to the charging cable 1 in the connector body. A plurality of (four in FIG. 7 (a)) pin receivers 41 are provided so as to project and connect to the connection pins (not shown). In addition, a fitting wall 43 protrudes around the plurality of pin receivers 41 so as to surround the plurality of pin receivers 41.

切替装置３は、給電先の車両接続用コネクタ４Ａを切り替えるための装置であって、図６（ａ）に示すように内部には複数組（図６（ａ）では３組）の切替接点からなる接点部３ｂが設けられており、器体表面に設けられた切替スイッチ３ａにより接点部３ｂの各切替接点が、同時に何れかの車両接続用コネクタ４Ａに切り替えられるようになっている。なお、上記各切替接点のコモン端子側には、それぞれ電源Ｌ，Ｎまたはアースの何れかが接続され、選択された車両接続用コネクタ４Ａに商用電源が供給されるようになっている。   The switching device 3 is a device for switching the vehicle connection connector 4A as a power supply destination, and as shown in FIG. 6A, a plurality of switching contacts (three sets in FIG. 6A) are provided inside. The contact portion 3b is provided, and each switching contact of the contact portion 3b is simultaneously switched to any one of the vehicle connection connectors 4A by a changeover switch 3a provided on the surface of the body. Note that either one of the power supplies L, N or ground is connected to the common terminal side of each switching contact, and commercial power is supplied to the selected vehicle connection connector 4A.

次に、本実施形態の充電ケーブルユニットＢによる充電動作について説明する。まず、各車両接続用コネクタ４Ａをそれぞれ電気自動車Ｃ側のコネクタに接続するとともに、差込プラグ２をコンセントＡに差し込むと、切替スイッチ３ａにより選択された車両接続用コネクタ４Ａを介して対応する電気自動車Ｃに商用電源が供給され、電気自動車Ｃ側で内蔵するバッテリの充電が行われる。その後、所定時間が経過して上記バッテリが満充電になった場合には、切替スイッチ３ａを操作して接点部３ｂを他方の車両接続用コネクタ４Ａ側に切り替え、対応する電気自動車Ｃに商用電源を供給する。そして、さらに所定時間が経過して両電気自動車Ｃのバッテリがともに満充電になった場合には、コンセントＡから差込プラグ２を外すとともに、各車両接続用コネクタ４Ａをそれぞれ電気自動車Ｃ側のコネクタから外すと充電動作が完了する。   Next, the charging operation by the charging cable unit B of this embodiment will be described. First, each vehicle connection connector 4A is connected to the connector on the electric vehicle C side, and when the plug 2 is inserted into the outlet A, the corresponding electrical connection is made via the vehicle connection connector 4A selected by the changeover switch 3a. Commercial power is supplied to the vehicle C, and the battery built in the electric vehicle C is charged. Thereafter, when the battery is fully charged after a predetermined time has elapsed, the changeover switch 3a is operated to switch the contact portion 3b to the other vehicle connection connector 4A side, and the corresponding electric vehicle C is supplied with commercial power. Supply. When the batteries of both electric vehicles C are fully charged after a predetermined time has elapsed, the plug 2 is removed from the outlet A and each vehicle connection connector 4A is connected to the electric vehicle C side. When the connector is removed, the charging operation is completed.

ここにおいて、例えばＵＬ規格やＩＥＣ規格では、コンセントから３０ｃｍ以内に漏電遮断装置を設けることが規定されており、本発明に係る充電ケーブルユニットＢにおいても、図２に示すようにコンセントＡに差込接続される差込プラグ２から３０ｃｍ以内の位置に漏電遮断装置５を設けるのが好ましく、当該漏電遮断装置５を設けることで安全性を向上させた充電ケーブルユニットＢを実現することができる。なお、上記漏電遮断装置５には、漏電検知部（図示せず）の検出結果に応じて接点がオン／オフされるリレー（図示せず）が内蔵されており、漏電検知部により漏電が検出された場合には上記接点をオフにすることで各車両接続用コネクタ４Ａへの給電が遮断されるようになっている。   Here, for example, the UL standard or the IEC standard stipulates that the leakage breaker is provided within 30 cm from the outlet, and the charging cable unit B according to the present invention is also plugged into the outlet A as shown in FIG. It is preferable to provide the leakage breaker 5 at a position within 30 cm from the plug 2 to be connected. By providing the leakage breaker 5, the charging cable unit B with improved safety can be realized. The leakage breaker 5 has a built-in relay (not shown) whose contact is turned on / off according to the detection result of the leakage detection unit (not shown), and the leakage detection unit detects the leakage. In this case, the power supply to each vehicle connection connector 4A is cut off by turning off the contact.

而して、本実施形態によれば、複数の電気自動車Ｃにそれぞれ接続された複数の車両接続用コネクタ４Ａの中から切替装置３により給電先の車両接続用コネクタ４Ａを選択するだけでよく、従来例に比べて複数の電気自動車に充電する際の作業効率を向上させることができる。   Thus, according to the present embodiment, it is only necessary to select the vehicle connection connector 4A as the power supply destination by the switching device 3 from among the plurality of vehicle connection connectors 4A respectively connected to the plurality of electric vehicles C. The working efficiency when charging a plurality of electric vehicles can be improved as compared with the conventional example.

ここで、上述した充電ケーブルユニットＢでは、接点部３ｂが切替スイッチ３ａを介して手動切替される切替装置３を用いているが、例えば電気自動車Ｃからの所定の電気信号により接点部３ｂが自動的に切り替えられる切替装置３を用いてもよい。図６（ｂ）は上記接点部３ｂが自動的に切り替えられる切替装置３の回路図の一例であり、複数（図６（ｂ）では４個）の切替接点からなる接点部３ｂと、電気自動車Ｃからの電気信号（例えば、充電が完了したことを知らせる信号など）が入力され、入力された電気信号に応じて接点部３ｂを切り替える制御部７とを備えている。なお、上記電気信号の代わりに、バッテリへの充電電流を検出して接点部３ｂを切り替えるように構成してもよい。   Here, in the charging cable unit B described above, the switching device 3 in which the contact portion 3b is manually switched via the changeover switch 3a is used. However, for example, the contact portion 3b is automatically set by a predetermined electric signal from the electric vehicle C. A switching device 3 that can be switched automatically may be used. FIG. 6B is an example of a circuit diagram of the switching device 3 in which the contact portion 3b is automatically switched. The contact portion 3b including a plurality (four in FIG. 6B) of switching contacts, and an electric vehicle An electric signal from C (for example, a signal notifying that charging has been completed) is input, and a control unit 7 that switches the contact portion 3b according to the input electric signal is provided. Instead of the electric signal, a charging current to the battery may be detected and the contact portion 3b may be switched.

次に、本例の充電ケーブルユニットＢによる充電動作について説明する。まず、各車両接続用コネクタ４Ａをそれぞれ電気自動車Ｃ側のコネクタに接続するとともに、差込プラグ２をコンセントＡに差し込むと、制御部７により選択された車両接続用コネクタ４Ａを介して対応する電気自動車Ｃに商用電源が供給され、電気自動車Ｃ側で内蔵するバッテリの充電が行われる。その後、上記バッテリへの充電が完了し、電気自動車Ｃから制御部７に上記電気信号が入力されると、制御部７は接点部３ｂを他方の車両接続用コネクタ４Ａ側に切り替え、当該車両接続用コネクタ４Ａに対応する電気自動車Ｃへの給電が開始される。   Next, the charging operation by the charging cable unit B of this example will be described. First, each vehicle connection connector 4A is connected to the connector on the electric vehicle C side, and when the plug 2 is inserted into the outlet A, the corresponding electrical connection is made via the vehicle connection connector 4A selected by the control unit 7. Commercial power is supplied to the vehicle C, and the battery built in the electric vehicle C is charged. Thereafter, when the charging of the battery is completed and the electric signal is input from the electric vehicle C to the control unit 7, the control unit 7 switches the contact portion 3b to the other vehicle connection connector 4A side to connect the vehicle. Electric power supply to the electric vehicle C corresponding to the connector 4A is started.

而して、本例によれば、給電先の車両用コネクタ４Ａが切替装置３により順次自動的に切り替えられるので、複数の電気自動車Ｃにそれぞれ車両用コネクタ４Ａを介して充電ケーブル１を接続するだけで、すべての電気自動車Ｃを充電することができる。また、複数の電気自動車Ｃに一度に充電する場合には、接続される車の台数に応じて電圧や電流などの充電条件を設定する必要があるが、本例によれば１台ずつ順番に充電することになるから、充電条件を変える必要がなく使い勝手のよい充電ケーブルユニットＢを実現できる。   Thus, according to this example, the vehicle connector 4A as the power supply destination is automatically and sequentially switched by the switching device 3, so that the charging cable 1 is connected to each of the plurality of electric vehicles C via the vehicle connector 4A. It is possible to charge all the electric vehicles C by just. In addition, when charging a plurality of electric vehicles C at a time, it is necessary to set charging conditions such as voltage and current in accordance with the number of connected vehicles. Since charging is performed, it is not necessary to change the charging conditions, and the user-friendly charging cable unit B can be realized.

なお、図２に示した充電ケーブルユニットＢでは、漏電遮断装置５を切替装置３と別体に設けているが、例えば漏電遮断装置５を切替装置３に内蔵するように構成してもよい。   In the charging cable unit B shown in FIG. 2, the leakage breaker 5 is provided separately from the switching device 3, but the leakage breaker 5 may be built in the switching device 3, for example.

（実施形態２）
図３は実施形態２の充電ケーブルユニットＢを用いた概略システム図であり、実施形態１では充電ケーブル１を１本のケーブルで構成しているが、本実施形態では複数（本実施形態では２本）の充電ケーブル１Ａ，１Ｂで充電ケーブル１を構成している。なお、それ以外の構成は図２に示す充電ケーブルユニットＢと同様であり、同一の構成要素には同一の符号を付して説明は省略する。 (Embodiment 2)
FIG. 3 is a schematic system diagram using the charging cable unit B of the second embodiment. In the first embodiment, the charging cable 1 is composed of a single cable. This charging cable 1A, 1B constitutes the charging cable 1. Other configurations are the same as those of the charging cable unit B shown in FIG. 2, and the same components are denoted by the same reference numerals and description thereof is omitted.

充電ケーブル１Ａには、コンセントＡに差込接続される差込プラグ２が一端側に設けられるとともに、車両接続用コネクタ４Ａが他端側に設けられており、また差込プラグ２と車両接続用コネクタ４Ａとの間（差込プラグ２から３０ｃｍ以内の位置）には漏電遮断装置５が設けられている。一方、充電ケーブル１Ｂには、充電ケーブル１Ａに設けた車両接続用コネクタ４Ａと接続する車両接続用コネクタ４Ｂが一端側（充電ケーブル１Ａ側）に設けられるとともに、複数（本実施形態では２個）の車両接続用コネクタ４Ａが他端側に設けられており、複数の車両接続用コネクタ４Ａと車両接続用コネクタ４Ｂとの間には器体表面に切替スイッチ３ａを備えた切替装置３が設けられている。そして、車両接続用コネクタ４Ａ，４Ｂを介して充電ケーブル１Ａ，１Ｂを直列に接続することで本実施形態の充電ケーブル１が構成され、また切替装置３の切替スイッチ３ａを操作することで接点部３ｂが何れかの車両接続用コネクタ４Ａに切り替えられるようになっている。   The charging cable 1A is provided with an insertion plug 2 that is plugged into the outlet A on one end side, and a vehicle connection connector 4A is provided on the other end side. A ground fault interrupter 5 is provided between the connector 4A (position within 30 cm from the plug 2). On the other hand, the charging cable 1B is provided with a vehicle connecting connector 4B connected to the vehicle connecting connector 4A provided on the charging cable 1A on one end side (charging cable 1A side), and a plurality (two in this embodiment). The vehicle connecting connector 4A is provided on the other end side, and a switching device 3 having a changeover switch 3a on the surface of the container is provided between the plurality of vehicle connecting connectors 4A and the vehicle connecting connector 4B. ing. Then, the charging cables 1A and 1B are connected in series via the vehicle connection connectors 4A and 4B, whereby the charging cable 1 of the present embodiment is configured, and the contact portion is operated by operating the changeover switch 3a of the switching device 3. 3b can be switched to one of the vehicle connection connectors 4A.

車両接続用コネクタ４Ｂは、図７（ｂ）に示すように略円柱状のコネクタ本体を有し、コネクタ本体における充電ケーブル１と反対側の面には、複数（図７（ｂ）では４本）の接続ピン４２が突設されており、各接続ピン４２を車両接続用コネクタ４Ａ側の対応するピン受け４１にそれぞれ嵌合させることで、車両接続用コネクタ４Ａと車両接続用コネクタ４Ｂとが接続されるようになっている。   The vehicle connection connector 4B has a substantially cylindrical connector body as shown in FIG. 7B, and a plurality of (four in FIG. 7B) are provided on the surface of the connector body opposite to the charging cable 1. ) Connecting pins 42 are projected, and each connecting pin 42 is fitted into a corresponding pin receiver 41 on the vehicle connecting connector 4A side, so that the vehicle connecting connector 4A and the vehicle connecting connector 4B are connected to each other. Connected.

なお、電気自動車Ｃへの充電動作については実施形態１と同様であるから、本実施形態では説明を省略する。   Note that the charging operation for the electric vehicle C is the same as that in the first embodiment, and thus the description thereof is omitted in this embodiment.

ここにおいて、本実施形態の充電ケーブルユニットＢでは、１台の電気自動車Ｃに充電する場合には充電ケーブル１Ａのみで充電することも可能であり、また複数の電気自動車Ｃに充電する場合には充電ケーブル１Ｂを充電ケーブル１Ａに延長接続することで充電が可能となる。すなわち、本充電ケーブルユニットＢによれば、切替装置３を充電ケーブル１Ｂ側（延長ケーブル側）に設けているので、充電ケーブル１Ｂを充電ケーブル１Ａに延長接続することで、必要に応じて車両接続用コネクタ４Ａを複数に分岐させることができる。また、電気自動車ＣがコンセントＡから離れた位置にある場合でも、複数の充電ケーブル１Ａ，１Ｂを直列に接続して充電ケーブル１を延長することで充電作業が可能になる。   Here, in the charging cable unit B of the present embodiment, when charging one electric vehicle C, it is possible to charge only with the charging cable 1A, and when charging a plurality of electric vehicles C. Charging is possible by extending the charging cable 1B to the charging cable 1A. That is, according to the present charging cable unit B, since the switching device 3 is provided on the charging cable 1B side (extension cable side), the charging cable 1B is extendedly connected to the charging cable 1A so that the vehicle can be connected as necessary. The connector 4A can be branched into a plurality. Even when the electric vehicle C is located away from the outlet A, the charging operation can be performed by connecting the plurality of charging cables 1A and 1B in series and extending the charging cable 1.

なお、本実施形態では、直列に接続するケーブルの本数を２本とした場合について説明したが、３本以上であってもよい。また、本実施形態では、切替スイッチ３ａにより手動切替可能な切替装置３を用いているが、図６（ｂ）に示すように自動切替できるものであってもよい。   In the present embodiment, the case where the number of cables connected in series is two has been described, but three or more cables may be used. Further, in the present embodiment, the switching device 3 that can be manually switched by the selector switch 3a is used. However, as shown in FIG.

（実施形態３）
図４は実施形態３の充電ケーブルユニットＢを用いた概略システム図であり、本実施形態では充電ケーブル１を巻き取るための巻取りドラム（巻き取り手段）６を設けている点で実施形態１，２と異なっている。なお、実施形態１，２と同様の構成については同一の符号を付して説明は省略する。 (Embodiment 3)
FIG. 4 is a schematic system diagram using the charging cable unit B of the third embodiment. In this embodiment, a winding drum (winding means) 6 for winding the charging cable 1 is provided in the first embodiment. , 2 and different. In addition, about the structure similar to Embodiment 1, 2, the same code | symbol is attached | subjected and description is abbreviate | omitted.

本実施形態の充電ケーブルユニットＢは、差込プラグ２と、複数（本実施形態では２個）の車両接続用コネクタ４Ａと、切替装置３と、充電ケーブル１を巻き取るための巻取りドラム６とを備えており、切替装置３の切替スイッチ３ａを操作することで接点部３ｂが何れかの車両接続用コネクタ４Ａに切り替えられるようになっている。   The charging cable unit B of the present embodiment includes an insertion plug 2, a plurality (two in this embodiment) of vehicle connection connectors 4 </ b> A, a switching device 3, and a winding drum 6 for winding the charging cable 1. The contact portion 3b can be switched to one of the vehicle connection connectors 4A by operating the changeover switch 3a of the changeover device 3.

なお、電気自動車Ｃへの充電動作については実施形態１と同様であるから、本実施形態では説明は省略する。   Note that the charging operation for the electric vehicle C is the same as that in the first embodiment, and thus the description thereof is omitted in this embodiment.

而して、本実施形態によれば、使用時には引き出す充電ケーブル１の長さを調節できるので使い勝手が向上し、また使用後は巻取りドラム６を介して充電ケーブル１を巻き取ることができるので収納性が向上するという利点がある。   Thus, according to this embodiment, the length of the charging cable 1 to be drawn out can be adjusted during use, so that the usability is improved, and the charging cable 1 can be wound up via the winding drum 6 after use. There is an advantage that the storage property is improved.

なお、本実施形態では、充電ケーブル１を１本のケーブルで構成しているが、例えば図５に示すように充電ケーブル１を、巻取りドラム６と一体に設けられた充電ケーブル１Ｂと、巻取りドラム６の側面に設けた接続コネクタ６ａに、車両接続用コネクタ４Ａを介して接続される充電ケーブル１Ａとで構成してもよく、この場合も同様に使用時には引き出す充電ケーブル１Ｂの長さを調節できるので使い勝手が向上し、また使用後は巻取りドラム６を介して充電ケーブル１Ｂを巻き取ることができるので収納性が向上するという利点がある。また、本実施形態では、切替スイッチ３ａにより手動切替可能な切替装置３を用いているが、図６（ｂ）に示すように自動切替できるものであってもよい。   In the present embodiment, the charging cable 1 is constituted by a single cable. However, for example, as shown in FIG. 5, the charging cable 1 is connected to the charging cable 1 </ b> B integrally provided with the winding drum 6, The connecting connector 6a provided on the side surface of the take-up drum 6 may be constituted by a charging cable 1A connected via a vehicle connecting connector 4A. In this case as well, the length of the charging cable 1B to be pulled out at the time of use is similarly set. Since it can be adjusted, the usability is improved, and after use, the charging cable 1B can be wound up via the winding drum 6. Further, in the present embodiment, the switching device 3 that can be manually switched by the selector switch 3a is used. However, as shown in FIG.

（実施形態４）
本発明に係る充電ケーブルユニットＢの実施形態４を図８に基づいて説明する。実施形態１〜３では、漏電が検出された場合、漏電遮断装置５が備えるリレーの各接点をオフにすることですべての車両接続用コネクタ４Ａへの給電を遮断しているが、本実施形態では漏電が検出された場合、切替装置３が備える接点部３ｂの各切替接点を何れの車両接続用コネクタ４Ａにも接続されていない接点に切り替えることで、すべての車両接続用コネクタ４Ａへの給電を遮断するようになっている。なお、それ以外の構成については実施形態１〜３と同様であり、同一の構成要素には同一の符号を付して説明は省略する。 (Embodiment 4)
Embodiment 4 of the charging cable unit B according to the present invention will be described with reference to FIG. In the first to third embodiments, when leakage is detected, the power supply to all the vehicle connection connectors 4A is cut off by turning off each contact of the relay included in the leakage breaker 5. Then, when a leakage is detected, power is supplied to all the vehicle connection connectors 4A by switching each switching contact of the contact portion 3b included in the switching device 3 to a contact that is not connected to any vehicle connection connector 4A. Is designed to shut off. In addition, about another structure, it is the same as that of Embodiment 1-3, the same code | symbol is attached | subjected to the same component and description is abbreviate | omitted.

本実施形態の切替装置３は、図８に示すように複数（図８では４個）の切替接点からなる接点部３ｂと、充電ケーブル１に流れる漏洩電流を検出する漏電検知部（漏電検知手段）８と、電気自動車Ｃからの充電完了信号や漏電検知部８からの漏電検知信号が入力され、入力された各信号に応じて接点部３ｂを切り替える制御部７とを備えている。また、漏電検知部８は、各電源線（電源Ｌ，Ｎが供給される線）１ａと大地との間に流れる漏洩電流を検出する漏電検知回路８２と、漏電検知回路８２の検出結果に応じて上記制御部７に漏電検知信号を出力する漏電制御回路８１とを備えている。   As shown in FIG. 8, the switching device 3 of the present embodiment includes a contact portion 3 b including a plurality of (four in FIG. 8) switching contacts, and a leakage detection unit (leakage detection means) that detects a leakage current flowing through the charging cable 1. ) 8, and a control unit 7 that receives a charge completion signal from the electric vehicle C and a leakage detection signal from the leakage detection unit 8 and switches the contact point 3 b in accordance with each input signal. In addition, the leakage detection unit 8 includes a leakage detection circuit 82 that detects a leakage current that flows between each power line (lines to which the power supplies L and N are supplied) 1 a and the ground, and a detection result of the leakage detection circuit 82. And a leakage control circuit 81 for outputting a leakage detection signal to the control unit 7.

ここにおいて、上記接点部３ｂの各切替接点は、図８に示すようにそれぞれ３箇所に切替可能になっており、そのうちの２箇所はそれぞれ各車両接続用コネクタ４Ａに接続され、残りの１箇所は未接続になっている。すなわち、本実施形態の切替装置３は、複数の車両接続用コネクタ４Ａの中から選択した車両接続用コネクタ４Ａに給電する状態と、すべての車両接続用コネクタ４Ａへの給電を遮断する状態との間で切替可能であって、漏電検知部８により漏電が検出された場合には、すべての車両接続用コネクタ４Ａへの給電が遮断されるようになっている（すなわち、切替接点が上記未接続の接点に切り替えられるようになっている）。   Here, each switching contact of the contact portion 3b can be switched to three locations as shown in FIG. 8, two of which are connected to each vehicle connection connector 4A, and the remaining one location. Is not connected. That is, the switching device 3 of the present embodiment has a state in which power is supplied to the vehicle connection connector 4A selected from the plurality of vehicle connection connectors 4A and a state in which power supply to all the vehicle connection connectors 4A is interrupted. Can be switched between, and when the leakage detection is detected by the leakage detection unit 8, the power supply to all the vehicle connection connectors 4A is cut off (that is, the switching contact is not connected) Can be switched to).

ここで、各車両接続用コネクタ４Ａをそれぞれ電気自動車Ｃ側のコネクタに接続するとともに、差込プラグ２をコンセントＡに差し込むと、制御部７により選択された車両接続用コネクタ４Ａを介して対応する電気自動車Ｃに商用電源が供給され、電気自動車Ｃ側で内蔵するバッテリの充電が行われるのであるが、例えばこの電気自動車Ｃへの充電中に漏電検知部８の漏電検知回路８２が漏電を検出すると、漏電制御回路８１は制御部７に対して漏電検知信号を出力する。そして、制御部７に上記漏電検知信号が入力されると、制御部７は接点部３ｂのすべての切替接点を未接続の接点に切り替え、両車両接続用コネクタ４Ａ，４Ａへの給電を遮断する。   Here, when each of the vehicle connection connectors 4A is connected to the connector on the electric vehicle C side and the plug 2 is inserted into the outlet A, it corresponds through the vehicle connection connector 4A selected by the control unit 7. The commercial power is supplied to the electric vehicle C and the built-in battery is charged on the electric vehicle C side. For example, the electric leakage detection circuit 82 of the electric leakage detection unit 8 detects electric leakage while charging the electric vehicle C. Then, the leakage control circuit 81 outputs a leakage detection signal to the control unit 7. When the leakage detection signal is input to the control unit 7, the control unit 7 switches all the switching contacts of the contact unit 3b to unconnected contacts, and interrupts the power supply to both the vehicle connection connectors 4A and 4A. .

而して、本実施形態によれば、漏電検知部８により漏電が検出された場合、接点部３ｂのすべての切替接点を上記未接続の接点に切り替えることで両車両接続用コネクタ４Ａ，４Ａへの給電が遮断されるので、漏電検知部８には給電を遮断するためのリレーなどを設けなくてもよく、部品点数の削減が図れる。   Thus, according to the present embodiment, when leakage is detected by the leakage detection unit 8, all the switching contacts of the contact portion 3b are switched to the unconnected contacts to the two vehicle connection connectors 4A and 4A. Therefore, the leakage detector 8 does not need to be provided with a relay for interrupting power supply, and the number of parts can be reduced.

なお、実施形態１〜４では、車両接続用コネクタ４Ａが２個の場合について説明したが、車両接続用コネクタ４Ａの個数は２個に限定されるものではなく、３個以上であってもよい。また、実施形態１〜４では、電気自動車Ｃから出力される電気信号を伝送するための信号線を電力線とは別に設けているが、上記電気信号を電力線に重畳させて電力線搬送通信により切替装置３に伝送するように構成してもよい。   In the first to fourth embodiments, the case where there are two vehicle connection connectors 4A has been described. However, the number of vehicle connection connectors 4A is not limited to two, and may be three or more. . In the first to fourth embodiments, a signal line for transmitting an electric signal output from the electric vehicle C is provided separately from the power line. However, the switching apparatus is configured to superimpose the electric signal on the power line and perform power line carrier communication. 3 may be configured so as to be transmitted.

実施形態１の充電ケーブルユニットを用いた概略システム図である。FIG. 2 is a schematic system diagram using the charging cable unit of the first embodiment. 同上の別の充電ケーブルユニットを用いた概略システム図である。It is a schematic system diagram using another charging cable unit same as the above. 実施形態２の充電ケーブルユニットを用いた概略システム図である。It is a schematic system diagram using the charging cable unit of the second embodiment. 実施形態３の充電ケーブルユニットを用いた概略システム図である。FIG. 5 is a schematic system diagram using a charging cable unit according to a third embodiment. 同上の別の充電ケーブルユニットを用いた概略システム図である。It is a schematic system diagram using another charging cable unit same as the above. （ａ）（ｂ）は実施形態１〜３の充電ケーブルユニットに用いられる切替装置の回路図である。(A) (b) is a circuit diagram of the switching device used for the charging cable unit of Embodiments 1-3. （ａ）（ｂ）は実施形態１〜３の充電ケーブルユニットに用いられる車両接続用コネクタの斜視図である。(A) (b) is a perspective view of the connector for vehicle connection used for the charging cable unit of Embodiment 1-3. 実施形態４の充電ケーブルユニットに用いられる切替装置の回路図である。It is a circuit diagram of the switching apparatus used for the charging cable unit of Embodiment 4.

符号の説明Explanation of symbols

１ 充電ケーブル
２ 差込プラグ
３ 切替装置（選択手段）
４Ａ 車両接続用コネクタ
Ａ コンセント（プラグ受け）
Ｂ 充電ケーブルユニット
Ｃ 電気自動車 1 charging cable 2 plug 3 switching device (selection means)
4A Vehicle connection connector A Outlet (plug receptacle)
B Charging cable unit C Electric vehicle

Claims (4)

商用電源が供給されるプラグ受けに着脱自在に接続される差込プラグと、それぞれ電気自動車側のコネクタに着脱自在に接続され、対応する電気自動車のバッテリに充電電流を供給する複数の車両接続用コネクタと、複数の前記車両接続用コネクタおよび前記差込プラグがそれぞれ充電ケーブルを介して接続され、複数の前記車両接続用コネクタの中から給電先のコネクタを選択し、選択した前記車両接続用コネクタから充電電流を供給させる選択手段と、前記充電ケーブルに流れる漏洩電流を検出する漏電検知手段とを備え、前記選択手段は、複数の前記車両接続用コネクタの中から選択したコネクタに切り替えるための切替接点と、複数の前記車両接続用コネクタの何れにも接続されない未接続接点とを有し、選択した前記車両接続用コネクタに対応する電気自動車への充電が完了すると、次の給電先の前記車両接続用コネクタを自動的に選択し、前記漏電検知手段により漏電が検出されると前記未接続接点に切り替えることを特徴とする充電ケーブルユニット。 For plug-in plugs that are detachably connected to plug receptacles supplied with commercial power, and for connecting a plurality of vehicles that are detachably connected to connectors on the electric vehicle side and supply charging current to the batteries of the corresponding electric vehicles connector, a plurality of said vehicle connector and the attachment plug are respectively connected via a charging cable, select the power supply destination of the connector from the connector a plurality of said vehicle connecting said vehicle connector selected Switching means for switching to a connector selected from among the plurality of vehicle connection connectors, the selection means for supplying a charging current from the charging cable, and a leakage detection means for detecting a leakage current flowing in the charging cable. contact and, and a non-connection contacts which are not connected to any for the connector a plurality of said vehicle connecting, the vehicle connection co the selected Wherein the charging of the electric vehicle corresponding to Kuta is completed, automatically selects the vehicle connector of the next power supply destination, to switch to the unconnected contact and leakage is detected by the earth leakage detecting means And charging cable unit. 商用電源が供給されるプラグ受けに着脱自在に接続される差込プラグと、それぞれ電気自動車側のコネクタに着脱自在に接続され、対応する電気自動車のバッテリに充電電流を供給する複数の車両接続用コネクタと、複数の前記車両接続用コネクタおよび前記差込プラグがそれぞれ充電ケーブルを介して接続され、複数の前記車両接続用コネクタの中から給電先のコネクタを選択し、選択した前記車両接続用コネクタから充電電流を供給させる選択手段と、前記充電ケーブルに流れる漏洩電流を検出する漏電検知手段とを備え、前記選択手段は、複数の前記車両接続用コネクタの中から選択したコネクタに切り替えるための切替接点と、複数の前記車両接続用コネクタの何れにも接続されない未接続接点とを有し、前記漏電検知手段により漏電が検出されると前記未接続接点に切り替えることを特徴とする充電ケーブルユニット。 For plug-in plugs that are detachably connected to plug receptacles supplied with commercial power, and for connecting a plurality of vehicles that are detachably connected to connectors on the electric vehicle side and supply charging current to the batteries of the corresponding electric vehicles connector, a plurality of said vehicle connector and the attachment plug are respectively connected via a charging cable, select the power supply destination of the connector from the connector a plurality of said vehicle connecting said vehicle connector selected from a selection means for supplying a charging current, and a leak detection means for detecting a leakage current flowing through the charging cable, the selection means, for switching to the selected connector from the vehicle connector for connecting multiple It has a switching contact, and a non-connection contacts which are not connected to any of the vehicle connector for connecting multiple, leakage by the leak detection means Charging cable unit but, characterized in that switching to the unconnected contact and be detected. 前記充電ケーブルを巻き取るための巻き取り手段を設けたことを特徴とする請求項１又は２記載の充電ケーブルユニット。 The charging cable unit according to claim 1 or 2, further comprising a winding means for winding the charging cable. 前記複数の車両接続用コネクタと前記差込プラグとの間の前記充電ケーブルは、複数のケーブルを直列に接続して構成されることを特徴とする請求項１〜３の何れか１項に記載の充電ケーブルユニット。 4. The charging cable between the plurality of vehicle connection connectors and the plug-in plug is configured by connecting a plurality of cables in series. Charging cable unit .
JP2008277421A 2008-08-26 2008-10-28 Charging cable unit Expired - Fee Related JP4991674B2 (en)

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JP2008277421A JP4991674B2 (en) 2008-10-28 2008-10-28 Charging cable unit
US13/060,866 US8737026B2 (en) 2008-08-26 2009-08-21 Electric vehicle charging cord set
CN200980133471.7A CN102132468B (en) 2008-08-26 2009-08-21 Electric vehicle charging cord set
KR1020117005041A KR20110043731A (en) 2008-08-26 2009-08-21 Electric vehicle charging cord set
PCT/IB2009/006608 WO2010023527A2 (en) 2008-08-26 2009-08-21 Electric vehicle charging cord set
PCT/IB2009/007187 WO2010049773A2 (en) 2008-10-28 2009-10-22 Charging cable unit

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