WO2013021252A1 - Charging device for electric vehicle - Google Patents

Charging device for electric vehicle Download PDF

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Publication number
WO2013021252A1
WO2013021252A1 PCT/IB2012/001484 IB2012001484W WO2013021252A1 WO 2013021252 A1 WO2013021252 A1 WO 2013021252A1 IB 2012001484 W IB2012001484 W IB 2012001484W WO 2013021252 A1 WO2013021252 A1 WO 2013021252A1
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WO
WIPO (PCT)
Prior art keywords
charging
charging cable
electric vehicle
cable
charging device
Prior art date
Application number
PCT/IB2012/001484
Other languages
French (fr)
Japanese (ja)
Inventor
達哉 向井
田中　昌史
Original Assignee
パナソニック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Priority to CN201280026112.3A priority Critical patent/CN103563208B/en
Publication of WO2013021252A1 publication Critical patent/WO2013021252A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • 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

Definitions

  • the present invention relates to a charging device for an electric vehicle for charging an electric vehicle such as an electric vehicle.
  • the charging box includes a box-shaped main body case having an open front surface and a waterproof door that closes the front opening of the main body case so as to be freely opened and closed.
  • a charging outlet and a charging switch are arranged on the bottom (rear) of the main body case, and the plug of the charging cable is detachably connected to the charging outlet.
  • a power feeding connector is provided at the tip of the charging cable, and this power feeding connector is connected to a power receiving connector of the electric vehicle. JP-A-9-107605
  • the cable length of the charging cable is relatively long, and when it is not used, it is often placed in a bundled state or a rolled state. For this reason, there has been a problem that it becomes difficult to extend the charging cable at the time of charging due to the charging cable becoming entangled or entangled with the charging cable.
  • the plug can be removed from the charging outlet and the charging cable can be turned back.
  • the charging cable can be removed. It is difficult to return.
  • the present invention has been made in view of the above problems, and an object thereof is to improve workability during charging.
  • the charging device for an electric vehicle of the present invention includes a charging cable having a charging connector connected to a tip thereof, a main body that holds a rear end of the charging cable, and a turning-back unit that returns the twist of the charging cable,
  • the turn-back means has a mechanism that makes at least a part of the charging cable rotatable in a circumferential direction of the charging cable.
  • the turning-back means has the mechanism that allows the rear end of the charging cable to turn in the circumferential direction with respect to the main body.
  • the turning-back means has the mechanism that allows the tip end of the charging cable to freely rotate in the circumferential direction with respect to the charging connector.
  • the turning-back means has the mechanism for connecting the intermediate portion of the charging cable so as to be rotatable in the circumferential direction.
  • the charging cable is a curled cord formed in a spiral shape.
  • the electric vehicle charging device of the present invention has an effect of improving workability during charging.
  • the electric vehicle charging device (hereinafter, abbreviated as “charging device”) according to the present embodiment includes a charging cable 1, a charging connector 2, a main body 3, and the like as shown in FIG.
  • the main body 3 is formed in a rectangular box shape by processing a metal plate such as a steel plate, and houses an earth leakage breaker, a charge controller, etc. (not shown) and is attached to an outer wall of a house.
  • the charge controller communicates with the electric vehicle via the communication line 13 (see FIG.
  • the charging cable 1 is composed of a four-core type electric cable including a pair of power supply lines 10, 11 and a grounding line 12 and the communication line 13.
  • the rear end is connected to a leakage breaker via a charge controller, and the charging connector is connected to the front end. 2 is connected.
  • the charging connector 2 is inserted and connected so as to be freely inserted into and removed from an insertion port (charging inlet) provided in the body of the electric vehicle.
  • a turning back means for returning the charging cable 1 that is the gist of the present invention will be described. As shown in FIG.
  • an introduction port 30 into which the rear end of the charging cable 1 is introduced opens on the lower wall of the main body 3, and the insulating sheath 14 of the charging cable 1 introduced from the introduction port 30 is partially provided.
  • the insulating sheath 14 is a sheath made of an insulating material that covers the pair of power supply lines 10 and 11, the ground line 12, and the communication line 13.
  • the charging cable 1 is being fixed to the main body 3 with the cable stopper 31 in the rear end side (upper side) rather than the part from which the insulation sheath 14 was excised.
  • a fitting portion 5 protruding downward is provided around the introduction port 30 in the lower wall of the main body 3.
  • the fitting portion 5 has a large diameter portion 50 and a small diameter portion 51 formed in cylindrical shapes having different diameters, the upper end of the large diameter portion 50 is connected to the main body 3, and the small diameter portion is connected to the lower end of the large diameter portion 50.
  • the upper end of 51 is connected.
  • a disk-shaped outer casing 52 having a diameter larger than that of the small diameter portion 51 is provided at the lower end of the small diameter portion 51.
  • a cap 4 that is rotatably fitted to the fitting portion 5 is attached to the distal end side (lower side) of the portion where the insulating sheath 14 of the charging cable 1 is removed.
  • the cap 4 is formed in a cylindrical shape, and holes 40 and 41 are opened on the lower surface and the upper surface, respectively, and the outer flange 52 and the lower end portion of the small-diameter portion 51 are inserted into the upper hole 41, so that the fitting portion 5 is rotatably fitted. Further, the charging cable 1 is inserted into the holes 40 and 41 on both the upper and lower sides, and is fixed to the cap 4 with a cable stopper 42. Thus, when the charging cable 1 is placed in a bundled or rolled state when not in use, the charging cable 1 (a pair of power lines) is removed at the portion where the insulating sheath 14 is removed as shown in FIG. 10, 11 and the ground line 12 and the communication line 13) may be drowned.
  • the charging cable 1 can be turned back by rotating the cap 4 (See FIG. 2 (a)).
  • the turn-back means including the cap 4 and the fitting portion 5 is provided, it is difficult to cause the problem that the charging cable 1 is difficult to extend during charging. The workability during charging can be improved. As shown in FIG. 3, if the length of the portion where the insulating sheath 14 is removed is increased to increase the extra length of the power supply lines 10, 11, the ground line 12, and the communication line 13, the rotation of the cap 4 is performed. The range of motion can be expanded and even greater drowning can be restored.
  • the turn-back means (cap 4 and fitting portion 5) allows the rear end of the charging cable 1 to rotate in the circumferential direction with respect to the main body 3.
  • the tip of 1 may be freely rotatable in the circumferential direction.
  • the connection part 6 which connects the intermediate part of the charging cable 1 rotatably in the circumferential direction as shown in FIG. 4 as a turning-back means may be provided. That is, the turning-back means has a mechanism that makes at least a part of the charging cable 1 rotatable in the circumferential direction of the charging cable 1.
  • the structure of the connecting portion 6 may be the same as that of the cap 4 and the fitting portion 5. Further, as shown in FIG.
  • the charging cable 1 may be a curled cord formed in a spiral shape.
  • the turning-back means may be provided in at least a part of the charging cable 1, and the charging cable 1 may be formed of a curled cord formed in a spiral shape.
  • the turning-back means for returning the twist of the charging cable 1 is not limited to the structure of the present embodiment.
  • a connector that connects two conductors to each other so as to be rotatable, a so-called rotary connector can be used as the turning-back means. Note that this type of rotary connector is commercially available in various structures, and since the structure is already well known, detailed description thereof is omitted.
  • the main body 3 is not limited to the one attached to the wall, and may be formed in a box shape standing on the ground as shown in FIG.
  • the preferred embodiments of the present invention have been described above, but the present invention is not limited to these specific embodiments, and various modifications and variations that do not depart from the scope of the claims are possible. It belongs to the category of the present invention.

Abstract

If a charging cable (1) is in a bundled or curled up state prior to use, twisting can occur in the portions of the charging cable (1) from which an insulating sheath (14) has been removed (a pair of power source wires (10, 11), a grounding wire (12), and a communication wire (13)) as shown in fig. 2(b). However, a cap (4) to which the charging cable (1) is fixed is rotatable relative to an engaging section (5) of a main-body (3), and thus twists in the charging cable (1) can be undone by rotating the cap (4) (see fig. 2(a)). Therefore, it is unlikely that the charging cable (1) will become difficult to draw-out during charging, and thus usability during charging is improved.

Description

電気車両用充電装置Electric vehicle charging device
　本発明は、電気自動車などの電気車両に充電するための電気車両用充電装置に関する。 The present invention relates to a charging device for an electric vehicle for charging an electric vehicle such as an electric vehicle.
　従来の電気車両用充電装置としては、例えば、特許文献１に記載されている充電ボックスがある。この充電ボックスは、前面が開口する箱形の本体ケースと、本体ケースの前面開口を開閉自在に閉塞する防水扉とを備える。本体ケースの底面（背面）に、充電コンセントや充電スイッチが配設され、充電ケーブルのプラグが充電コンセントに挿抜自在に接続される。充電ケーブルの先端に給電コネクタが設けられ、この給電コネクタが電気自動車の受電コネクタと接続される。
特開平９−１０７６０５号公報 As a conventional charging device for an electric vehicle, for example, there is a charging box described in Patent Document 1. The charging box includes a box-shaped main body case having an open front surface and a waterproof door that closes the front opening of the main body case so as to be freely opened and closed. A charging outlet and a charging switch are arranged on the bottom (rear) of the main body case, and the plug of the charging cable is detachably connected to the charging outlet. A power feeding connector is provided at the tip of the charging cable, and this power feeding connector is connected to a power receiving connector of the electric vehicle.
JP-A-9-107605
　ところで、上述のような充電ボックスにおいては、充電ケーブルのケーブル長が比較的に長くなっており、しかも、未使用時には束ねた状態や丸めた状態で置かれることが多い。そのため、充電ケーブルが絡まったり、あるいは充電ケーブルに巻き癖がついてしまうことにより、充電の際に充電ケーブルが伸ばし難くなるといった不具合があった。なお、特許文献１記載の従来例では、プラグを充電コンセントから抜いて充電ケーブルの縒れを戻すことができるが、充電ケーブルが充電ボックスに直付けされる場合には充電ケーブルを外して縒れを戻すことは困難である。 By the way, in the charging box as described above, the cable length of the charging cable is relatively long, and when it is not used, it is often placed in a bundled state or a rolled state. For this reason, there has been a problem that it becomes difficult to extend the charging cable at the time of charging due to the charging cable becoming entangled or entangled with the charging cable. In the conventional example described in Patent Document 1, the plug can be removed from the charging outlet and the charging cable can be turned back. However, when the charging cable is directly attached to the charging box, the charging cable can be removed. It is difficult to return.
　本発明は、上記課題に鑑みて為されたものであり、充電時の作業性向上を図ることを目的とする。
　本発明の電気車両用充電装置は、先端に充電コネクタが接続される充電ケーブルと、前記充電ケーブルの後端を保持する本体と、前記充電ケーブルの縒れを戻す縒り戻し手段とを備え、前記縒り戻し手段は、前記充電ケーブルの少なくとも一部を当該充電ケーブルの周方向に回動自在とする機構を有することを特徴とする。
　この電気車両用充電装置において、前記縒り戻し手段は、前記本体に対して前記充電ケーブルの後端を周方向に回動自在とする前記機構を有することが好ましい。
　この電気車両用充電装置において、前記縒り戻し手段は、前記充電コネクタに対して前記充電ケーブルの先端を周方向に回動自在とする前記機構を有することが好ましい。
　この電気車両用充電装置において、前記縒り戻し手段は、前記充電ケーブルの中間部を周方向に回動自在に連結する前記機構を有することが好ましい。
　この電気車両用充電装置において、前記充電ケーブルは螺旋状に形成されたカールコードからなることが好ましい。
The present invention has been made in view of the above problems, and an object thereof is to improve workability during charging.
The charging device for an electric vehicle of the present invention includes a charging cable having a charging connector connected to a tip thereof, a main body that holds a rear end of the charging cable, and a turning-back unit that returns the twist of the charging cable, The turn-back means has a mechanism that makes at least a part of the charging cable rotatable in a circumferential direction of the charging cable.
In this electric vehicle charging apparatus, it is preferable that the turning-back means has the mechanism that allows the rear end of the charging cable to turn in the circumferential direction with respect to the main body.
In this electric vehicle charging apparatus, it is preferable that the turning-back means has the mechanism that allows the tip end of the charging cable to freely rotate in the circumferential direction with respect to the charging connector.
In this electric vehicle charging device, it is preferable that the turning-back means has the mechanism for connecting the intermediate portion of the charging cable so as to be rotatable in the circumferential direction.
In this electric vehicle charging device, it is preferable that the charging cable is a curled cord formed in a spiral shape.
発明の効果The invention's effect
　本発明の電気車両用充電装置は、充電時の作業性向上を図ることができるという効果がある。 The electric vehicle charging device of the present invention has an effect of improving workability during charging.
　本発明の目的及び特徴は以下のような添付図面と好ましい実施例の説明により明確になる。
本発明の実施形態を示す斜視図である。 （ａ），（ｂ）は同上における縒り戻し手段の構造を示す一部省略した断面図である。 （ａ），（ｂ）は同上における縒り戻し手段の構造を示す一部省略した断面図である。 本発明の別の実施形態を示す斜視図である。 本発明のさらに別の実施形態を示す斜視図である。 本発明のさらにまた別の実施形態を示す斜視図である。 The objects and features of the present invention will become apparent from the following drawings and description of preferred embodiments.
It is a perspective view which shows embodiment of this invention. (A), (b) is sectional drawing which abbreviate | omitted partially showing the structure of the turning-back means in the same as the above. (A), (b) is sectional drawing which abbreviate | omitted partially showing the structure of the turning-back means in the same as the above. It is a perspective view which shows another embodiment of this invention. It is a perspective view which shows another embodiment of this invention. It is a perspective view which shows another embodiment of this invention.
　以下、本発明の実施形態について添付図面に基づいて説明する。図面全体において同一又は類似する部分については同一参照符号を付して説明を省略する。
　本実施形態の電気車両用充電装置（以下、「充電装置」と略す。）は、図１に示すように充電ケーブル１、充電コネクタ２、本体３などを備える。なお、以下の説明では、図１において上下方向を規定している。
　本体３は、鋼板などの金属板を加工して矩形箱状に形成され、図示しない漏電ブレーカや充電コントローラなどを収納して家屋の外壁などに取り付けられる。なお、充電コントローラは、充電ケーブル１に含まれる通信線１３（図２参照）を介して電気自動車と通信し、電気自動車からの指示に応じて充電ケーブル１を介した給電の入／切などを行うものである。
　充電ケーブル１は、一対の電源線１０，１１と接地線１２及び前記通信線１３を含む４心タイプの電気ケーブルからなり、後端が充電コントローラを介して漏電ブレーカに接続され、先端に充電コネクタ２が接続されている。充電コネクタ２は、電気自動車の車体に設けられている差込口（充電インレット）に挿抜自在に差込接続される。
　次に、本発明の要旨である、充電ケーブル１の縒れを戻す縒り戻し手段について説明する。
　図２に示すように、本体３の下側の壁には充電ケーブル１の後端が導入される導入口３０が開口し、導入口３０から導入される充電ケーブル１の絶縁シース１４が部分的に切除されている。なお、絶縁シース１４は、一対の電源線１０，１１と接地線１２及び前記通信線１３を被う絶縁材料製の外皮である。そして、絶縁シース１４が切除された部分よりも後端側（上側）において、ケーブル止め具３１により充電ケーブル１が本体３に固定されている。
　本体３の下側の壁における導入口３０の周囲には、下向きに突出する嵌合部５が突設されている。この嵌合部５は、直径が異なる円筒形状に形成された大径部５０及び小径部５１を有し、大径部５０の上端が本体３に連結され、大径部５０の下端に小径部５１の上端が連結されている。さらに小径部５１の下端には、小径部５１よりも直径の大きい円盤状の外鍔５２が設けられている。
　一方、充電ケーブル１の絶縁シース１４が切除された部分よりも先端側（下側）には、嵌合部５に対して回動自在に嵌合するキャップ４が取り付けられている。キャップ４は、円筒形に形成されており、下面と上面にそれぞれ孔４０，４１が開口し、上側の孔４１に外鍔５２と小径部５１の下端部分が挿入されることで、嵌合部５に対して回動自在に嵌合する。また、充電ケーブル１が上下両側の孔４０，４１に挿通されるとともに、ケーブル止め具４２によりキャップ４に固定されている。
　而して、未使用時に充電ケーブル１が束ねた状態や丸めた状態で置かれた場合、図２（ｂ）に示すように絶縁シース１４の除去された部分で充電ケーブル１（一対の電源線１０，１１と接地線１２及び通信線１３）に縒れが生じることがある。しかしながら、充電ケーブル１が固定されているキャップ４が本体３の嵌合部５に対して回動自在であるから、キャップ４を回動させることで充電ケーブル１の縒れを戻すことができる（図２（ａ）参照）。
　上述のように本実施形態では、キャップ４や嵌合部５などから構成される縒り戻し手段を備えているので、充電の際に充電ケーブル１が伸ばし難くなるといった不具合が生じ難くなり、その結果、充電時の作業性向上を図ることができる。
　なお、図３に示すように絶縁シース１４が切除される部分の長さを長くとることで電源線１０，１１や接地線１２及び通信線１３の余長分を多くすれば、キャップ４の回動範囲を拡げることができ、さらに大きな縒れを戻すことができる。
　また、本実施形態では、縒り戻し手段（キャップ４及び嵌合部５）が本体３に対して充電ケーブル１の後端を周方向に回動自在としているが、充電コネクタ３に対して充電ケーブル１の先端を周方向に回動自在としても構わない。あるいは、縒り戻し手段として図４に示すように充電ケーブル１の中間部を周方向に回動自在に連結する連結部６が設けられてもよい。つまり、縒り戻し手段は充電ケーブル１の少なくとも一部を該充電ケーブル１の周方向に回動自在にする機構を有する。ただし、連結部６の構造はキャップ４と嵌合部５の構造と同様の構造で構わない。また、図５に示すように充電ケーブル１が螺旋状に形成されたカールコードであっても構わない。また、上記のように縒り戻し手段が充電ケーブル１の少なくとも一部に設けられ、充電ケーブル１は螺旋状に形成されたカールコードから構成されてもよい。
　ここで、充電ケーブル１の縒れを戻す縒り戻し手段は本実施形態の構造に限定されるものではない。例えば、２つの導体を互いに回動自在に接続するコネクタ、いわゆるロータリーコネクタを縒り戻し手段に用いることができる。なお、この種のロータリーコネクタは種々の構造のものが市販されており、その構造については既に周知であるから詳細な説明は省略する。
　ところで、本体３は壁に取り付けられるものに限定されず、図６に示すように地面に立設される箱形に形成されても構わない。
　以上、本発明の好ましい実施形態が説明されているが、本発明はこれらの特定の実施形態に限られるものではなく、請求範囲の範疇から離脱しない多様な変更及び変形が可能であり、それも本発明の範疇内に属する。 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. The same or similar parts throughout the drawings are denoted by the same reference numerals, and the description thereof is omitted.
The electric vehicle charging device (hereinafter, abbreviated as “charging device”) according to the present embodiment includes a charging cable 1, a charging connector 2, a main body 3, and the like as shown in FIG. In the following description, the vertical direction is defined in FIG.
The main body 3 is formed in a rectangular box shape by processing a metal plate such as a steel plate, and houses an earth leakage breaker, a charge controller, etc. (not shown) and is attached to an outer wall of a house. The charge controller communicates with the electric vehicle via the communication line 13 (see FIG. 2) included in the charging cable 1 and turns on / off power supply via the charging cable 1 in accordance with an instruction from the electric vehicle. Is what you do.
The charging cable 1 is composed of a four-core type electric cable including a pair of power supply lines 10, 11 and a grounding line 12 and the communication line 13. The rear end is connected to a leakage breaker via a charge controller, and the charging connector is connected to the front end. 2 is connected. The charging connector 2 is inserted and connected so as to be freely inserted into and removed from an insertion port (charging inlet) provided in the body of the electric vehicle.
Next, a turning back means for returning the charging cable 1 that is the gist of the present invention will be described.
As shown in FIG. 2, an introduction port 30 into which the rear end of the charging cable 1 is introduced opens on the lower wall of the main body 3, and the insulating sheath 14 of the charging cable 1 introduced from the introduction port 30 is partially provided. Has been excised. The insulating sheath 14 is a sheath made of an insulating material that covers the pair of power supply lines 10 and 11, the ground line 12, and the communication line 13. And the charging cable 1 is being fixed to the main body 3 with the cable stopper 31 in the rear end side (upper side) rather than the part from which the insulation sheath 14 was excised.
A fitting portion 5 protruding downward is provided around the introduction port 30 in the lower wall of the main body 3. The fitting portion 5 has a large diameter portion 50 and a small diameter portion 51 formed in cylindrical shapes having different diameters, the upper end of the large diameter portion 50 is connected to the main body 3, and the small diameter portion is connected to the lower end of the large diameter portion 50. The upper end of 51 is connected. Furthermore, a disk-shaped outer casing 52 having a diameter larger than that of the small diameter portion 51 is provided at the lower end of the small diameter portion 51.
On the other hand, a cap 4 that is rotatably fitted to the fitting portion 5 is attached to the distal end side (lower side) of the portion where the insulating sheath 14 of the charging cable 1 is removed. The cap 4 is formed in a cylindrical shape, and holes 40 and 41 are opened on the lower surface and the upper surface, respectively, and the outer flange 52 and the lower end portion of the small-diameter portion 51 are inserted into the upper hole 41, so that the fitting portion 5 is rotatably fitted. Further, the charging cable 1 is inserted into the holes 40 and 41 on both the upper and lower sides, and is fixed to the cap 4 with a cable stopper 42.
Thus, when the charging cable 1 is placed in a bundled or rolled state when not in use, the charging cable 1 (a pair of power lines) is removed at the portion where the insulating sheath 14 is removed as shown in FIG. 10, 11 and the ground line 12 and the communication line 13) may be drowned. However, since the cap 4 to which the charging cable 1 is fixed is rotatable with respect to the fitting portion 5 of the main body 3, the charging cable 1 can be turned back by rotating the cap 4 ( (See FIG. 2 (a)).
As described above, in the present embodiment, since the turn-back means including the cap 4 and the fitting portion 5 is provided, it is difficult to cause the problem that the charging cable 1 is difficult to extend during charging. The workability during charging can be improved.
As shown in FIG. 3, if the length of the portion where the insulating sheath 14 is removed is increased to increase the extra length of the power supply lines 10, 11, the ground line 12, and the communication line 13, the rotation of the cap 4 is performed. The range of motion can be expanded and even greater drowning can be restored.
Further, in the present embodiment, the turn-back means (cap 4 and fitting portion 5) allows the rear end of the charging cable 1 to rotate in the circumferential direction with respect to the main body 3. The tip of 1 may be freely rotatable in the circumferential direction. Or the connection part 6 which connects the intermediate part of the charging cable 1 rotatably in the circumferential direction as shown in FIG. 4 as a turning-back means may be provided. That is, the turning-back means has a mechanism that makes at least a part of the charging cable 1 rotatable in the circumferential direction of the charging cable 1. However, the structure of the connecting portion 6 may be the same as that of the cap 4 and the fitting portion 5. Further, as shown in FIG. 5, the charging cable 1 may be a curled cord formed in a spiral shape. Further, as described above, the turning-back means may be provided in at least a part of the charging cable 1, and the charging cable 1 may be formed of a curled cord formed in a spiral shape.
Here, the turning-back means for returning the twist of the charging cable 1 is not limited to the structure of the present embodiment. For example, a connector that connects two conductors to each other so as to be rotatable, a so-called rotary connector can be used as the turning-back means. Note that this type of rotary connector is commercially available in various structures, and since the structure is already well known, detailed description thereof is omitted.
By the way, the main body 3 is not limited to the one attached to the wall, and may be formed in a box shape standing on the ground as shown in FIG.
The preferred embodiments of the present invention have been described above, but the present invention is not limited to these specific embodiments, and various modifications and variations that do not depart from the scope of the claims are possible. It belongs to the category of the present invention.

Claims (5)

  1. 　先端に充電コネクタが接続される充電ケーブルと、前記充電ケーブルの後端を保持する本体と、前記充電ケーブルの縒れを戻す縒り戻し手段とを備え、前記縒り戻し手段は、前記充電ケーブルの少なくとも一部を当該充電ケーブルの周方向に回動自在とする機構を有することを特徴とする電気車両用充電装置。 A charging cable to which a charging connector is connected at a front end; a main body that holds a rear end of the charging cable; A charging device for an electric vehicle, characterized in that a part of the charging cable is rotatable in the circumferential direction of the charging cable.
  2. 　前記縒り戻し手段は、前記本体に対して前記充電ケーブルの後端を周方向に回動自在とする前記機構を有することを特徴とする請求項１記載の電気車両用充電装置。 2. The charging device for an electric vehicle according to claim 1, wherein the turning-back means includes the mechanism that allows a rear end of the charging cable to rotate in a circumferential direction with respect to the main body.
  3. 　前記縒り戻し手段は、前記充電コネクタに対して前記充電ケーブルの先端を周方向に回動自在とする前記機構を有することを特徴とする請求項１記載の電気車両用充電装置。 The charging device for an electric vehicle according to claim 1, wherein the turn-back means includes the mechanism that allows a tip end of the charging cable to rotate in a circumferential direction with respect to the charging connector.
  4. 　前記縒り戻し手段は、前記充電ケーブルの中間部を周方向に回動自在に連結する前記機構を有することを特徴とする請求項１記載の電気車両用充電装置。 2. The charging device for an electric vehicle according to claim 1, wherein the turning-back means includes the mechanism for connecting an intermediate portion of the charging cable so as to be rotatable in a circumferential direction.
  5. 　前記充電ケーブルは螺旋状に形成されたカールコードからなることを特徴とする請求項１~４の何れか１項に記載の電気車両用充電装置。 The charging device for an electric vehicle according to any one of claims 1 to 4, wherein the charging cable includes a curled cord formed in a spiral shape.
PCT/IB2012/001484 2011-08-11 2012-08-02 Charging device for electric vehicle WO2013021252A1 (en)

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JP2011176245A JP5887528B2 (en) 2011-08-11 2011-08-11 Electric vehicle charging device

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JP2013042572A (en) 2013-02-28

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