JP5533632B2 - Charging connection device - Google Patents

Charging connection device Download PDF

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JP5533632B2
JP5533632B2 JP2010284324A JP2010284324A JP5533632B2 JP 5533632 B2 JP5533632 B2 JP 5533632B2 JP 2010284324 A JP2010284324 A JP 2010284324A JP 2010284324 A JP2010284324 A JP 2010284324A JP 5533632 B2 JP5533632 B2 JP 5533632B2
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connection
charging
vehicle
plug
upper limit
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JP2012135104A (en
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淳史 川久保
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Toyota Motor Corp
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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
    • B60L3/04—Cutting off the power supply under fault conditions
    • 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
    • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Description

この発明は、充電接続装置に関し、特に電動車両に充電を行なうための充電接続装置に関する。   The present invention relates to a charging connection device, and more particularly to a charging connection device for charging an electric vehicle.

電気自動車は、車両推進用モータと、それを駆動する電力を蓄積する蓄電装置とを搭載している。この蓄電装置には車両の外部の電源から充電を行なう。この際に車両と電源とを接続する充電ケーブルが用いられる。   An electric vehicle includes a vehicle propulsion motor and a power storage device that stores electric power for driving the motor. This power storage device is charged from a power source external to the vehicle. At this time, a charging cable for connecting the vehicle and the power source is used.

近年、モータとエンジンとを搭載するハイブリッド自動車にあっても、外部電源と車両とを充電ケーブルで接続し、蓄電装置に充電を可能とするいわゆるプラグインハイブリッド車が検討されている。   In recent years, so-called plug-in hybrid vehicles have been studied in which a power storage device can be charged by connecting an external power source and a vehicle with a charging cable even in a hybrid vehicle equipped with a motor and an engine.

このような充電に用いられる充電ケーブルについて特開平７−７８６０号公報に記載されている。   A charging cable used for such charging is described in Japanese Patent Laid-Open No. 7-7860.

特開平７−７８６０号公報Japanese Patent Laid-Open No. 7-7860

電気自動車やプラグインハイブリッド車は、通常は専用電源設備と専用コネクタおよび専用充電ケーブルを介して接続される。専用電源設備は電流容量が大きく電気自動車等を急速に充電することも可能である。   An electric vehicle or a plug-in hybrid vehicle is usually connected to a dedicated power supply facility via a dedicated connector and a dedicated charging cable. The dedicated power supply equipment has a large current capacity and can rapidly charge electric vehicles and the like.

一方、電動自動車の充電が家庭用のコンセント（ウォールソケット）からできるようにすることも検討されている。家庭用のコンセントから充電できることはユーザにとって非常に便利であるが、家庭用のコンセントはその種類によって使用可能な電流値が定められている。したがって定格電流を超えない範囲内で充電を行なう必要がある。   On the other hand, it is also under consideration to make it possible to charge an electric vehicle from a household outlet (wall socket). Although it is very convenient for a user to be able to charge from a household outlet, a current value that can be used is determined by the type of household outlet. Therefore, it is necessary to perform charging within a range not exceeding the rated current.

図４は、第１検討例の充電ケーブルを示した図である。
たとえば、図４に示すように、ＯＡ機器接地箇所等に使用されるアース端子付きコンセント（たとえば、ＪＩＳＣ８３０３の２極接地極付コンセント１５Ａ１２５Ｖ）には、その形状に合った１５アンペアのプラグが一方端に設けられた充電ケーブルが使用される。充電ケーブルに設けられているコントロールボックス（ＣＣＩＤ：Ｃｈａｒｇｅ Ｃｕｕｒｅｎｔ Ｉｎｔｅｒｒｕｐｔｉｏｎ Ｄｅｖｉｃｅ）には１５アンペアプラグに対応する上限電流値α（Ａ）が設定されている。車両に充電ケーブルが接続されると、コントロールボックスから車両に上限電流値α（Ａ）に対応する情報が送信される。車両に設けられた充電装置は、その情報に基づいて、充電電流を流すようにする。 FIG. 4 is a diagram illustrating a charging cable of the first study example.
For example, as shown in FIG. 4, an outlet with a ground terminal (for example, a socket with a two-pole grounding electrode 15A125V of JIS C8303) used for an OA equipment grounding location or the like has a 15-ampere plug that matches the shape at one end. The charging cable provided in is used. An upper limit current value α (A) corresponding to a 15 ampere plug is set in a control box (CCID: Charge Current Interruption Device) provided in the charging cable. When the charging cable is connected to the vehicle, information corresponding to the upper limit current value α (A) is transmitted from the control box to the vehicle. The charging device provided in the vehicle causes a charging current to flow based on the information.

図５は、第２検討例の充電ケーブルを示した図である。
たとえば、図５に示すように、エアコン設置箇所等に用いられるアース端子付大容量コンセント（ＪＩＳＣ８３２３の２極接地極付コンセント２０Ａ１２５Ｖ）には、その形状に合った２０アンペアのプラグが一方端に設けられた充電ケーブルが使用される。充電ケーブルに設けられているコントロールボックス（ＣＣＩＤ：Ｃｈａｒｇｅ Ｃｕｕｒｅｎｔ Ｉｎｔｅｒｒｕｐｔｉｏｎ Ｄｅｖｉｃｅ）には２０アンペアプラグに対応する上限電流値β（Ａ）が設定されている。車両に充電ケーブルが接続されると、コントロールボックスから車両に上限電流値β（Ａ）に対応する情報が送信される。車両に設けられた充電装置は、その情報に基づいて、充電電流を流すようにする。 FIG. 5 is a diagram showing a charging cable of the second study example.
For example, as shown in FIG. 5, a large-capacity outlet with a ground terminal used in an air-conditioner installation location (a socket with a two-pole grounding electrode 20A125V of JISC8323) is provided with a 20-ampere plug at one end according to its shape. Used charging cable. An upper limit current value β (A) corresponding to a 20 ampere plug is set in a control box (CCID: Charge Current Interruption Device) provided in the charging cable. When the charging cable is connected to the vehicle, information corresponding to the upper limit current value β (A) is transmitted from the control box to the vehicle. The charging device provided in the vehicle causes a charging current to flow based on the information.

しかし、１５アンペアのコンセントと２０アンペアのコンセントの両方を備える家庭も考えられる。そのような家庭では、２本の充電ケーブルを準備しなければならず、利便性に劣る。   However, homes with both 15 amp outlets and 20 amp outlets are also conceivable. In such a home, two charging cables must be prepared, which is inconvenient.

また、図５のケーブルに２０アンペアプラグを１５アンペアプラグに変換して１５アンペアコンセントに使用することも考えられるが、コントロールボックスは車両に２０アンペアの上限電流値を連絡するので、１５アンペアコンセントに過電流が流れてしまう可能性があり問題である。   It is also possible to convert the 20 ampere plug into a 15 ampere plug in the cable shown in FIG. 5 and use it as a 15 ampere outlet. However, since the control box informs the vehicle of the upper limit current value of 20 ampere, There is a possibility that an overcurrent flows, which is a problem.

このような定格オーバーの誤使用を避けるために、使用者に電流値を設定させることも考えられるが、確実性がない。   In order to avoid such misuse of over rating, it may be possible for the user to set a current value, but there is no certainty.

本発明の目的は、コンセントに応じた使用可能電流値を自動的に判別し安全に充電を行なえる充電接続装置を提供することである。   An object of the present invention is to provide a charging connection device that can automatically determine a usable current value according to an outlet and perform charging safely.

この発明は、要約すると、電動車両に充電を行なうための充電接続装置であって、車両に接続するための第１の接続端と、電源に接続するための第２の接続端と、第２の接続端から第１の接続端へ送電する送電経路上に設けられ、送電経路の開閉を行なうとともに、車両に送電電流の上限値の情報を送信する充電制御ユニットとを備える。第２の接続端は、電源に接続するためのプラグを含む。プラグは、電源への接続部分の形状を複数の形状から選択可能に構成される。充電制御ユニットは、接続部分としてどのような形状が選択されているかを検出し、選択された形状に対応する上限値を情報として車両に送信する。   In summary, the present invention provides a charging connection device for charging an electric vehicle, a first connection end for connection to the vehicle, a second connection end for connection to a power source, and a second connection end. And a charging control unit that opens and closes the power transmission path and transmits information on the upper limit value of the power transmission current to the vehicle. The second connection end includes a plug for connecting to a power source. The plug is configured such that the shape of the connection portion to the power source can be selected from a plurality of shapes. The charge control unit detects what shape is selected as the connection portion, and transmits an upper limit value corresponding to the selected shape to the vehicle as information.

本発明によれば、何本も充電ケーブルを用意しなくても良く、また確実にコンセントの上限電流を守ることができる。   According to the present invention, it is not necessary to prepare any number of charging cables, and the upper limit current of the outlet can be reliably protected.

本実施の形態に係る充電接続装置の一態様である充電ケーブル１の構成を示す図である。It is a figure which shows the structure of the charging cable 1 which is the one aspect | mode of the charging connection apparatus which concerns on this Embodiment. 図１のＣＣＩＤ３の内部の制御装置が実行する制御を説明するためのフローチャートである。It is a flowchart for demonstrating the control which the control apparatus inside CCID3 of FIG. 1 performs. 実施の形態の変形例における充電ケーブルの構成を示した図である。It is the figure which showed the structure of the charging cable in the modification of embodiment. 第１検討例の充電ケーブルを示した図である。It is the figure which showed the charging cable of the 1st study example. 第２検討例の充電ケーブルを示した図である。It is the figure which showed the charging cable of the 2nd examination example.

本発明について以下図面を参照して詳細に説明する。なお、図中同一または相当部分には同一の符号を付してその説明は繰返さない。   The present invention will be described in detail below with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and description thereof will not be repeated.

図１は、本実施の形態に係る充電接続装置の一態様である充電ケーブル１の構成を示す図である。   FIG. 1 is a diagram showing a configuration of a charging cable 1 which is an aspect of the charging connection device according to the present embodiment.

図１を参照して、充電ケーブル１は、車両に設けられたインレットに接続するためのコネクタ２と、家庭用コンセントなどの外部電源に接続するためのプラグ４と、コネクタ２とプラグ４の間の充電経路上に設けられたＣＣＩＤ３とを含む。   Referring to FIG. 1, charging cable 1 includes a connector 2 for connection to an inlet provided in a vehicle, a plug 4 for connection to an external power source such as a household outlet, and between connector 2 and plug 4. And CCID3 provided on the charging path.

すなわち、電動車両に充電を行なうための充電接続装置である充電ケーブル１は、車両に接続するための第１の接続端（コネクタ２）と、電源に接続するための第２の接続端（プラグ４）と、第２の接続端（プラグ４）から第１の接続端（コネクタ２）へ送電する送電経路上に設けられ、送電経路の開閉を行なうとともに、車両に送電電流の上限値の情報を送信する充電制御ユニット（ＣＣＩＤ３）とを備える。第２の接続端は、電源に接続するためのプラグ４を含む。プラグ４は、変換アダプタ６を着脱することによって、電源への接続部分の形状を複数の形状から選択可能に構成される。充電制御ユニットは、接続部分としてどのような形状が選択されているかを検出し、選択された形状に対応する上限値を情報として車両に送信する。   That is, the charging cable 1 which is a charging connection device for charging an electric vehicle has a first connection end (connector 2) for connection to the vehicle and a second connection end (plug) for connection to a power source. 4) and information on the upper limit value of the power transmission current provided on the power transmission path for transmitting power from the second connection end (plug 4) to the first connection end (connector 2), opening and closing the power transmission path. The charging control unit (CCID3) for transmitting. The second connection end includes a plug 4 for connecting to a power source. The plug 4 is configured such that the shape of the connection portion to the power source can be selected from a plurality of shapes by attaching and detaching the conversion adapter 6. The charge control unit detects what shape is selected as the connection portion, and transmits an upper limit value corresponding to the selected shape to the vehicle as information.

具体的には、プラグ４には、変換アダプタ６がプラグ４に装着されているか否かを検出するためのスイッチ８が設けられている。変換アダプタ６の表側６Ａにはコンセント７の形状に合わせた突起９Ｂ，９Ｃ，９Ｄが設けられている。また変換アダプタ６の裏側６Ｂにはコンセント５と同様な穴に加えて、突起９Ａが設けられている。   Specifically, the plug 4 is provided with a switch 8 for detecting whether or not the conversion adapter 6 is attached to the plug 4. The front side 6A of the conversion adapter 6 is provided with projections 9B, 9C, 9D that match the shape of the outlet 7. In addition to the hole similar to the outlet 5, a projection 9 </ b> A is provided on the back side 6 </ b> B of the conversion adapter 6.

変換アダプタ６をプラグ４に装着すると、変換アダプタに設けられた突起９Ａがスイッチ８の穴部分に挿入される。これによりスイッチ８がオン状態となり、これがＣＣＩＤ３によって検出される。ＣＣＩＤ８は、変換アダプタ６が装着されていないときは、コンセント５の定格電流（たとえば２０アンペア）に対応する情報を車両に送信し、変換アダプタ６が装着されているときは、コンセント７の定格電流（たとえば１５アンペア）に対応する情報を車両に送信する。   When the conversion adapter 6 is attached to the plug 4, the projection 9 </ b> A provided on the conversion adapter is inserted into the hole portion of the switch 8. As a result, the switch 8 is turned on, and this is detected by CCID3. When the conversion adapter 6 is not attached, the CCID 8 transmits information corresponding to the rated current (for example, 20 amperes) of the outlet 5 to the vehicle. When the conversion adapter 6 is attached, the CCID 8 Information corresponding to (for example, 15 amps) is transmitted to the vehicle.

これにより、車両に設けられた充電装置は、使用しているコンセントに対応する上限値を認識し、過電流を避けつつなるべく早く充電が終了するように充電を行なうことができる。   Thereby, the charging device provided in the vehicle can recognize the upper limit value corresponding to the outlet being used, and can perform charging so that charging is completed as soon as possible while avoiding overcurrent.

図２は、図１のＣＣＩＤ３の内部の制御装置が実行する制御を説明するためのフローチャートである。   FIG. 2 is a flowchart for explaining control executed by the control device inside CCID 3 in FIG.

図１、図２を参照して、まず、処理が開始されると、ステップＳ１において、ＣＣＩＤ３は、スイッチ８の状態を検出することによって、変換アダプタ６がプラグ４に装着されているか否かを判断する。   Referring to FIGS. 1 and 2, first, when the process is started, in step S1, CCID 3 detects whether or not conversion adapter 6 is attached to plug 4 by detecting the state of switch 8. to decide.

ステップＳ１において変換アダプタ６の装着が検出された場合にはステップＳ２に処理が進み、上限電流値はα（Ａ）に設定される。ステップＳ１において変換アダプタ６の装着が検出されなかった場合にはステップＳ３に処理が進み、上限電流値はβ（Ａ）に設定される。設定された上限電流値は、車両に送信される。   If the attachment of the conversion adapter 6 is detected in step S1, the process proceeds to step S2, and the upper limit current value is set to α (A). If the attachment of the conversion adapter 6 is not detected in step S1, the process proceeds to step S3, and the upper limit current value is set to β (A). The set upper limit current value is transmitted to the vehicle.

以上説明したように、本実施の形態の充電接続装置は、変換アダプターを接続した場合であっても、変換アダプタの接続を検出してＣＣＩＤの上限電流を設定することができるので、定格オーバーや過小電流による充電を防止し、変換アダプタを用いた適切な充電が可能となる。   As described above, the charging connection device of the present embodiment can detect the connection of the conversion adapter and set the upper limit current of the CCID even when the conversion adapter is connected. Charging due to an undercurrent is prevented, and appropriate charging using a conversion adapter becomes possible.

また、変換アダプタの装着の有無によって正しくコンセントにあった上限電流値がＣＣＩＤに設定される。これは人間が設定ボタンなどで上限電流値を切り替えるよりも確実に正しい値を設定できる。   Also, the upper limit current value that is correctly at the outlet depending on whether or not the conversion adapter is attached is set in CCID. This is because a human can set the correct value more reliably than switching the upper limit current value with a setting button or the like.

図３は、実施の形態の変形例における充電ケーブルの構成を示した図である。
図３を参照して、充電ケーブルは、基本部分１０と変換部分１２Ａ，１２Ｂとを含む。基本部分１０は、車両に設けられたインレットに接続するためのコネクタ２と、ＣＣＩＤ３Ａとを含む。 FIG. 3 is a diagram showing a configuration of a charging cable in a modification of the embodiment.
Referring to FIG. 3, the charging cable includes a basic portion 10 and conversion portions 12A and 12B. Basic portion 10 includes a connector 2 for connecting to an inlet provided in the vehicle, and CCID 3A.

変換部分１２ＡはＣＣＩＤに接続するための端部１３Ａと、プラグ１４Ａとを含む。プラグ１４Ａはコンセント２０（電流定格は、たとえば１５アンペア）に適合した形状を有する。変換部分１２ＢはＣＣＩＤに接続するための端部１３Ｂと、プラグ１４Ｂとを含む。プラグ１４Ｂはコンセント２０Ａ（電流定格は、たとえば２０アンペア）に適合した形状を有する。   The conversion part 12A includes an end 13A for connecting to the CCID and a plug 14A. Plug 14A has a shape suitable for outlet 20 (current rating is, for example, 15 amperes). The conversion portion 12B includes an end portion 13B for connecting to the CCID and a plug 14B. Plug 14B has a shape adapted to outlet 20A (current rating is, for example, 20 amps).

ＣＣＩＤ３Ａは端部１３Ａおよび１３Ｂのいずれにも接続可能な接続部３ＡＢを含む。端部１３Ａと端部１３Ｂとは、ピンの有無などの互いに異なる形状を有するか、磁気などの特性が異なる。接続部３ＡＢは、たとえば図１のスイッチ８Ａのようにピンの有無によって端部１３Ａと端部１３Ｂのいずれが接続されているのかを認識することができるように構成されている。接続部３ＡＢは、ピンの有無のような物理的形状の違いでなくても、磁気の有無や電気抵抗値の違いなどを検出するようにしても良い。   The CCID 3A includes a connection portion 3AB that can be connected to both the end portions 13A and 13B. The end portion 13A and the end portion 13B have different shapes such as the presence or absence of pins, or have different characteristics such as magnetism. The connection portion 3AB is configured to recognize which of the end portion 13A and the end portion 13B is connected depending on the presence or absence of a pin, for example, like the switch 8A of FIG. The connecting portion 3AB may detect the presence / absence of magnetism, the difference in electric resistance value, etc., not the difference in physical shape such as the presence / absence of a pin.

すなわち、電動車両に充電を行なうための充電接続装置である充電ケーブルは、車両に接続するための第１の接続端（コネクタ２）と、電源に接続するための第２の接続端（変換部分１２Ａ、１２Ｂ）と、第２の接続端（変換部分１２Ａ、１２Ｂ）から第１の接続端（コネクタ２）へ送電する送電経路上に設けられ、送電経路の開閉を行なうとともに、車両に送電電流の上限値の情報を送信する充電制御ユニット（ＣＣＩＤ３Ａ）とを備える。第２の接続端は、電源に接続するためのプラグ１４Ａ，１４Ｂを含む。図３の充電ケーブルは、変換部分１２Ａ，１２Ｂを交換することによって、電源への接続部分の形状を複数の形状から選択可能に構成される。充電制御ユニットは、接続部分としてどのような形状が選択されているかを接続部３ＡＢによって検出し、選択された形状に対応する上限値を情報として車両に送信する。なおＣＣＩＤ３Ａの動作は、図２で説明した動作と同様であるので説明は繰り返さない。   That is, the charging cable, which is a charging connection device for charging the electric vehicle, has a first connection end (connector 2) for connection to the vehicle and a second connection end (conversion portion) for connection to the power source. 12A, 12B) and a power transmission path that transmits power from the second connection end (conversion portions 12A, 12B) to the first connection end (connector 2), opens and closes the power transmission path, and transmits power to the vehicle. And a charge control unit (CCID3A) for transmitting information on the upper limit value. The second connection end includes plugs 14A and 14B for connection to a power source. The charging cable of FIG. 3 is configured such that the shape of the connection portion to the power source can be selected from a plurality of shapes by exchanging the conversion portions 12A and 12B. The charging control unit detects what shape is selected as the connection portion by the connecting portion 3AB, and transmits the upper limit value corresponding to the selected shape to the vehicle as information. Since the operation of CCID 3A is the same as the operation described in FIG. 2, description thereof will not be repeated.

図３に示した変形例であっても、図１に示した実施の形態と同様な効果を得ることができる。   Even in the modification shown in FIG. 3, the same effects as those of the embodiment shown in FIG. 1 can be obtained.

今回開示された実施の形態はすべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は上記した説明ではなくて特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。   The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

１ 充電ケーブル、２ コネクタ、３ＡＢ 接続部、４，１４Ａ，１４Ｂ プラグ、５，７，２０，２２ コンセント、６ 変換アダプタ、８，８Ａ スイッチ、９Ａ，９Ｂ，９Ｃ，９Ｄ 突起、１０ 基本部分、１２Ａ，１２Ｂ 変換部分、１３Ａ，１３Ｂ 端部。   1 charging cable, 2 connector, 3AB connection, 4, 14A, 14B plug, 5, 7, 20, 22 outlet, 6 conversion adapter, 8, 8A switch, 9A, 9B, 9C, 9D protrusion, 10 basic part, 12A , 12B conversion part, 13A, 13B end.

Claims (1)

電動車両に充電を行なうための充電接続装置であって、
車両に接続するための第１の接続端と、
電源に接続するための第２の接続端と、
前記第２の接続端から前記第１の接続端へ送電する送電経路上に設けられ、前記送電経路の開閉を行なうとともに、車両に送電電流の上限値の情報を送信する充電制御ユニットとを備え、
前記第２の接続端は、
前記電源に接続するためのプラグを含み、
前記プラグは、電源への接続部分の形状を複数の形状から選択可能に構成され、
前記充電制御ユニットは、前記接続部分としてどのような形状が選択されているかを検出し、選択された形状に対応する前記上限値を前記情報として車両に送信する、充電接続装置。 A charging connection device for charging an electric vehicle,
A first connection end for connection to the vehicle;
A second connection end for connection to a power source;
A charge control unit that is provided on a power transmission path for transmitting power from the second connection end to the first connection end, and that opens and closes the power transmission path and transmits information on an upper limit value of a power transmission current to the vehicle. ,
The second connection end is
Including a plug for connecting to the power source;
The plug is configured such that the shape of the connection portion to the power source can be selected from a plurality of shapes,
The charge connection device, wherein the charge control unit detects what shape is selected as the connection portion and transmits the upper limit value corresponding to the selected shape to the vehicle as the information.
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