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JP7330622B2 - Disconnection determination means - Google Patents
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JP7330622B2 - Disconnection determination means - Google Patents

Disconnection determination means Download PDF

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JP7330622B2
JP7330622B2 JP2019144398A JP2019144398A JP7330622B2 JP 7330622 B2 JP7330622 B2 JP 7330622B2 JP 2019144398 A JP2019144398 A JP 2019144398A JP 2019144398 A JP2019144398 A JP 2019144398A JP 7330622 B2 JP7330622 B2 JP 7330622B2
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charging
charging cable
vehicle
connector
disconnection
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JP2021025895A (en
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達治 船橋
佳則 相川
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Nitto Kogyo Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • 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

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  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Description

本発明は、車両を充電する車両用充電装置の充電ケーブルの断線を検知する断線判定手段に関する。 The present invention relates to disconnection determination means for detecting disconnection of a charging cable of a vehicle charging device for charging a vehicle.

特許文献１に記載されているように、充電ケーブルに設けられる充電制御回路（ＣＣＩＤ）に制御線の異常を検知する異常検知部を形成する充電ケーブルは知られている。特許文献１に記載された異常検知部は、充電ケーブルのコネクタが車両のインレットに装着されることを検知した後に、充電ケーブルの制御線の異常を判定するものである。 2. Description of the Related Art As described in Patent Literature 1, there is known a charging cable in which a charging control circuit (CCID) provided in the charging cable includes an abnormality detection section for detecting an abnormality in a control line. The abnormality detection unit described in Patent Literature 1 determines whether there is an abnormality in the control line of the charging cable after detecting that the connector of the charging cable is attached to the inlet of the vehicle.

特開２０１１－４４４８号公報JP 2011-4448 A

ところで、上記技術の場合、充電ケーブルを車両のインレットに接続した後でしか異常の検知を行うことができない。このため、充電を必要とする前に充電ケーブルの異常を把握することが困難であった。また、充電ケーブルの充電制御回路に異常検知部を形成しているため、当該充電ケーブルのみしか異常の検知を行うことができなかった。 By the way, in the case of the above technology, the abnormality can be detected only after the charging cable is connected to the inlet of the vehicle. For this reason, it was difficult to grasp the abnormality of the charging cable before charging was required. In addition, since an abnormality detection unit is formed in the charging control circuit of the charging cable, it is possible to detect an abnormality only in the charging cable.

本件の発明者は、この点について鋭意検討することにより、解決を試みた。本発明が解決しようとする課題は、充電コネクタの断線の検知に際して充電コネクタを車両に接続しなくても良いようにすることである。 The inventor of this case tried to solve the problem by earnestly studying this point. SUMMARY OF THE INVENTION An object of the present invention is to eliminate the need to connect a charging connector to a vehicle when disconnection of the charging connector is detected.

上記課題を解決するため、車両用充電ケーブルの断線の有無を判定する判定部を備えた断線判定手段であって、断線判定手段は、車両用充電ケーブル内の第一の電線に接続する第一接続部と、車両用充電ケーブル内の第二の電線に接続する第二接続部と、を備える取り付け部を備え、前記判定部は、前記取り付け部を車両用充電ケーブルの充電コネクタと接続した際に形成される回路上に位置し、車両用充電コネクタが車両と非接続な状態で、車両用充電ケーブルの断線の有無を判定することが可能である車両用充電ケーブルの断線判定手段とする。 In order to solve the above-described problems, there is provided disconnection determination means including a determination unit that determines whether or not there is a disconnection in the vehicle charging cable, wherein the disconnection determination means includes a first electric wire connected to a first electric wire in the vehicle charging cable. and a second connection portion that connects to a second wire in the vehicle charging cable, and the determination unit determines whether or not the attachment portion is connected to the charging connector of the vehicle charging cable. Disconnection determining means for a vehicle charging cable is located on a circuit formed in a vehicle and can determine whether or not the vehicle charging cable is disconnected in a state in which the vehicle charging connector is not connected to the vehicle.

また、判定部は、取り付け部に設けられ、第一接続部と第二接続部を繋ぐ電路上に位置する構成とすることが好ましい。 In addition, it is preferable that the determination section is provided in the mounting section and positioned on the electrical path that connects the first connection section and the second connection section.

また、判定部は、車両用充電ケーブル内の電線に印加される電圧に基づいて、断線を判定する構成とすることが好ましい。 Moreover, it is preferable that the determination unit determines disconnection based on the voltage applied to the electric wire in the vehicle charging cable.

また、取り付け部は、充電時に車両に接続される充電コネクタの出力部を、非充電時に覆うことが可能である構成とすることが好ましい。 In addition, it is preferable that the mounting portion has a configuration capable of covering the output portion of the charging connector connected to the vehicle during charging when the vehicle is not being charged.

また、判定部による判定結果を外部に通信可能な通信部を備えた構成とすることが好ましい。 Moreover, it is preferable to have a configuration including a communication unit capable of communicating the determination result of the determination unit to the outside.

本発明では、充電コネクタの断線の検知に際して充電コネクタを車両に接続しなくても良いようにすることが可能となる。 According to the present invention, it is possible to eliminate the need to connect the charging connector to the vehicle when disconnection of the charging connector is detected.

断線判定手段を備えた取り付け部の例の概念図である。FIG. 4 is a conceptual diagram of an example of a mounting portion provided with disconnection determination means; 充電ケーブルの充電コネクタを正面から見た図である。It is the figure which looked at the charging connector of the charging cable from the front. ＣＣＩＤを備えた車載充電ケーブルと断線判定手段を備えた取り付け部を接続した状態を表す回路図例である。It is an example of a circuit diagram showing the state which connected the vehicle-mounted charging cable provided with CCID, and the attachment part provided with the disconnection determination means. 車両用充電装置に固定された充電ケーブルと断線判定手段を備えた取り付け部を接続した状態を表す回路図例である。It is an example of a circuit diagram showing the state which connected the charging cable fixed to the charging device for vehicles, and the attachment part provided with the disconnection determination means. ＣＣＩＤを備えた車載充電ケーブルと断線判定手段を備えた取り付け部を表した側面図である。FIG. 3 is a side view showing an in-vehicle charging cable with CCID and an attachment portion with disconnection determination means; 断線判定手段に用いられる取り付け部を備えたコネクタホルダの例を示す斜視図である。FIG. 10 is a perspective view showing an example of a connector holder provided with a mounting portion used for disconnection determination means; 図６に示すコネクタホルダに充電コネクタを接続した状態を示す斜視図である。FIG. 7 is a perspective view showing a state in which a charging connector is connected to the connector holder shown in FIG. 6; 充電ケーブルが固定された車両用充電装置に設けられたコネクタホルダに充電コネクタを保持させた例を示す斜視図である。FIG. 10 is a perspective view showing an example in which a connector holder provided in the vehicle charging device to which the charging cable is fixed holds the charging connector. 断線判定手段に用いられる取り付け部を備えたコネクタキャップが充電コネクタの出力部から分離された例を示す斜視図である。FIG. 4 is a perspective view showing an example in which a connector cap having an attachment portion used for disconnection determination means is separated from an output portion of a charging connector; 図９に示すコネクタキャップで充電コネクタの出力部全体を覆った状態を示す斜視図である。FIG. 10 is a perspective view showing a state in which the entire output portion of the charging connector is covered with the connector cap shown in FIG. 9; 判定部を有したＣＣＩＤを備えた車載充電ケーブルと取り付け部を接続した状態を表す回路図例である。FIG. 10 is an example of a circuit diagram showing a state in which an in-vehicle charging cable provided with a CCID having a determination portion and a mounting portion are connected; 判定部を有した車両用充電装置に固定された充電ケーブルと取り付け部を接続した状態を表す回路図例である。It is an example of a circuit diagram showing the state which connected the charging cable fixed to the charging device for vehicles which had the determination part, and the attachment part.

以下に発明を実施するための形態を示す。図１に示すことから理解されるように、本実施形態の断線判定手段１は、車両用充電ケーブル３の断線を検知する判定部１３を備えたものである。この断線判定手段１は、車両用充電ケーブル３内の第一の電線４１に接続する第一接続部１１と、車両用充電ケーブル３内の第二の電線４２に接続する第二接続部１２と、を備える取り付け部１０を、備えている。また、判定部１３は、取り付け部１０を車両用充電ケーブル３の充電コネクタ６８と接続した際に形成される回路上に位置し、車両用充電コネクタ６８が車両と非接続な状態で車両用充電ケーブル３の断線の有無を判定することが可能である。このため、充電コネクタ６８の断線の検知に際して充電コネクタ６８を車両に接続しなくてもよくなる。そうすることで、充電作業を開始する前に充電ケーブル３の断線を把握することができるようになる。また、充電ケーブル３に対して汎用的に異常検知を行うことができるようになる。なお、図１に示す例では、判定部１３は、取り付け部１０に設けられ、第一接続部１１と第二接続部１２を繋ぐ電路上に位置する構成となっている。 Modes for carrying out the invention are shown below. As can be understood from FIG. 1 , the disconnection determination means 1 of the present embodiment includes a determination section 13 that detects disconnection of the vehicle charging cable 3 . The disconnection determination means 1 includes a first connection portion 11 connected to a first wire 41 in the vehicle charging cable 3 and a second connection portion 12 connected to a second wire 42 in the vehicle charging cable 3. a mounting portion 10 comprising: Further, the determination unit 13 is positioned on a circuit formed when the mounting unit 10 is connected to the charging connector 68 of the vehicle charging cable 3, and the vehicle charging connector 68 is not connected to the vehicle. It is possible to determine whether or not the cable 3 is broken. Therefore, it is not necessary to connect the charging connector 68 to the vehicle when disconnection of the charging connector 68 is detected. By doing so, disconnection of the charging cable 3 can be grasped before the charging operation is started. Further, it becomes possible to perform general-purpose abnormality detection for the charging cable 3 . In addition, in the example shown in FIG. 1 , the determination section 13 is provided in the attachment section 10 and is configured to be positioned on the electric path connecting the first connection section 11 and the second connection section 12 .

ここで、車両の充電に用いる充電ケーブル３についての一般的な説明を行う。普通充電装置の充電の態様には、制御回路を用いない「モード１」、充電ケーブル３に備えられた制御回路を用いて制御する「モード２」、車両用充電装置９１に備えられた制御回路を用いて制御する「モード３」がある。 Here, a general description of the charging cable 3 used for charging the vehicle will be given. Modes of charging by the normal charging device include "mode 1" in which no control circuit is used, "mode 2" in which control is performed using the control circuit provided in the charging cable 3, and control circuit provided in the vehicle charging device 91. There is a "mode 3" that controls using

モード１とモード２の場合の充電ケーブル３は、「ケーブル部４０」と、ケーブル部４０の一方の端部に設け、コンセントに接続される「コンセントプラグ５２」と、ケーブル部４０のもう一方の端部に設け、車両に接続される「充電コネクタ６８」とで構成される。 The charging cable 3 in the cases of modes 1 and 2 consists of a “cable portion 40”, an “outlet plug 52” provided at one end of the cable portion 40 and connected to an outlet, and the other end of the cable portion 40. It consists of a "charging connector 68" provided at the end and connected to the vehicle.

モード２の場合には、コンセントプラグ５２と充電コネクタ６８との間に漏電保護回路及び制御回路を備えたコントロールボックス４４（ＣＣＩＤボックス）が設けられる。 In the case of mode 2, a control box 44 (CCID box) having an earth leakage protection circuit and a control circuit is provided between the outlet plug 52 and the charging connector 68 .

モード３の場合の充電ケーブル３は、車両用充電装置９１の出力端子と接続される「入力端子５３」と、入力端子５３に接続された「ケーブル部４０」と、ケーブル部４０のもう一方の端部に接続される「充電コネクタ６８」とで構成される。 The charging cable 3 in the case of mode 3 includes an "input terminal 53" connected to the output terminal of the vehicle charging device 91, a "cable portion 40" connected to the input terminal 53, and the other end of the cable portion 40. It is composed of a "charging connector 68" connected to the end.

例えば、モード２、モード３で使用される充電コネクタ６８に関しては、図２に示すことから理解されるように、充電コネクタ６８は、充電ケーブル３内の電源線と接続し、車両に電力を供給する「電源線出力部６１」と、充電ケーブル３内の通信線と接続し、車両と通信するために用いられる「通信線出力部６２」と、充電ケーブル３内のアース線及び車両のアース線と接続する「アース線出力部６３」を備える。なお、モード１で使用される充電ケーブル３は、通信線を備えないため、通信線出力部６２を有さない。 For example, regarding the charging connector 68 used in modes 2 and 3, as can be seen from FIG. A "power line output unit 61" that connects to the communication line in the charging cable 3 and a "communication line output unit 62" that is used to communicate with the vehicle, the ground wire in the charging cable 3 and the ground wire of the vehicle It has a "ground wire output section 63" connected to. Note that the charging cable 3 used in mode 1 does not have a communication line output unit 62 because it does not have a communication line.

図２に示す例では、２つの電源線出力部６１と、１つの通信線出力部６２と、アース線出力部６３、篏合状態確認用出力部６４の計５つの出力部分で構成されるが、配電方式によっては、電源線出力部６１の数が増減したり、通信線出力部６２や篏合状態確認用出力部６４がない充電コネクタ６８であったりしてもよい。 In the example shown in FIG. 2, it is composed of a total of five output parts: two power supply line output parts 61, one communication line output part 62, an earth wire output part 63, and a connection state confirmation output part 64. Depending on the power distribution system, the number of power supply line output units 61 may be increased or decreased, or the charging connector 68 may be provided without the communication line output unit 62 or the connection state confirmation output unit 64 .

図１に示す例の取り付け部１０は、充電コネクタ６８の出力部６０に接続される部品であって、充電ケーブル３の各線の断線の有無の判定をするための回路を備えている。この例の取り付け部１０は、充電コネクタ６８の電源線出力部６１若しくは通信線出力部６２に接続される第一接続部１１と、アース線出力部６３に接続される第二接続部１２と、それらの接続部の間に判定部１３を備えている。 The attachment portion 10 in the example shown in FIG. 1 is a component connected to the output portion 60 of the charging connector 68 and includes a circuit for determining whether or not each line of the charging cable 3 is broken. The mounting portion 10 of this example includes a first connection portion 11 connected to the power line output portion 61 or the communication line output portion 62 of the charging connector 68, a second connection portion 12 connected to the ground line output portion 63, A determination unit 13 is provided between those connection portions.

このような取り付け部１０を、コントロールボックス４４を有する充電ケーブル３に接続した状態の回路のイメージは図３に示すようになり、車両用充電装置９１に一体的に付されている充電ケーブル３に対して取り付け部１０を接続した状態の回路のイメージは図４に示すようになる。 FIG. 3 shows an image of a circuit in which such an attachment portion 10 is connected to the charging cable 3 having the control box 44. On the other hand, the image of the circuit with the mounting portion 10 connected is as shown in FIG.

充電コネクタ６８の各出力部が凹形状となっている場合には、各接続部は凸形状とし、各出力部が凸形状となっている場合には、各接続部は凹形状とすることで、各出力部と各接続部が電気的に接続された状態を安定させることができる。なお、各接続部の形状は、充電コネクタ６８の各出力部の形状に対応する形状であるなら、如何なる形状であってもよい。 When each output portion of charging connector 68 has a concave shape, each connection portion has a convex shape, and when each output portion has a convex shape, each connection portion has a concave shape. , the state in which each output section and each connection section are electrically connected can be stabilized. The shape of each connection portion may be any shape as long as it corresponds to the shape of each output portion of charging connector 68 .

一般的に、モード２の場合には、入力部５０を備えたコンセントプラグ５２がコンセントに接続されたとき、モード３の場合には、車両用充電装置９１のブレーカがＯＮされたとき、充電ケーブル３内の電源線や通信線に電圧が印加される。代表的には、充電ケーブル３内の通信線には、１２Ｖの電圧が印加される。この通信線に印加される電圧は、車両用充電装置９１と車両若しくはコントロールボックス４４と車両との間の通信に利用される電圧である。 Generally, in the case of mode 2, when the outlet plug 52 having the input unit 50 is connected to the outlet, in the case of mode 3, when the breaker of the vehicle charging device 91 is turned on, the charging cable is turned on. A voltage is applied to the power supply line and the communication line in 3 . Typically, a voltage of 12V is applied to the communication line in charging cable 3 . The voltage applied to this communication line is the voltage used for communication between the vehicle charging device 91 and the vehicle or between the control box 44 and the vehicle.

このように電圧が印加された状態で、充電コネクタ６８に取り付け部１０を接続すると、第一接続部１１を介して判定部１３へ電圧を印加させることができる。判定部１３は、車両用充電ケーブル３内の電線に印加される電圧に基づいて、断線の有無を判定できるようにすることが好ましい。例えば、この電圧の印加を検知することは、充電ケーブル３に断線が見られないことを意味するため、判定部１３は、第一接続部１１を接続した充電ケーブル３の電線に断線がないことを判定することができる。逆に、判定部１３が電圧の印加を検知することができない場合には、第一接続部１１を接続した充電ケーブル３の電線に断線が生じていると判定することができる。 When the mounting portion 10 is connected to the charging connector 68 with the voltage applied in this way, the voltage can be applied to the determination portion 13 via the first connection portion 11 . It is preferable that the determination unit 13 can determine the presence or absence of wire breakage based on the voltage applied to the electric wires in the vehicle charging cable 3 . For example, detecting the application of this voltage means that no disconnection is found in the charging cable 3, so the determination unit 13 determines that there is no disconnection in the electric wire of the charging cable 3 to which the first connection unit 11 is connected. can be determined. Conversely, when determination unit 13 cannot detect the application of voltage, it can be determined that the wire of charging cable 3 to which first connection unit 11 is connected is broken.

判定部１３でなされた判定結果は、判定部１３に備えたＬＥＤ等を用いて、視覚的に表してもよいし、音声等、聴覚的に表してもよい。また、通信部１５を介して外部機器に通信し、外部機器において判定結果を表してもよい。例えば、充電コネクタ６８やコントロールボックス４４（ＣＣＩＤボックス）、コンセント、車両用充電装置９１に通信部１５と表示部１４を形成し、断線判定の結果をそれらに通信し、表示させてもよい。このように、判定部１３による判定結果を外部に通信可能な通信部１５を備えた構成とすることが好ましい。 The determination result made by the determination unit 13 may be displayed visually using an LED or the like provided in the determination unit 13, or may be displayed aurally such as by voice. Alternatively, the determination result may be displayed in the external device by communicating with the external device via the communication unit 15 . For example, the communication unit 15 and the display unit 14 may be formed in the charging connector 68, the control box 44 (CCID box), the outlet, and the vehicle charging device 91 to communicate and display the disconnection determination result. In this manner, it is preferable to have a configuration including the communication unit 15 capable of communicating the determination result of the determination unit 13 to the outside.

判定部１３と表示部１４は、別体で形成してもよいし、判定部１３と表示部１４を同一のものとして形成してもよい。通信部１５についても同様であり、判定部１３と別体であってもよいし、一体に形成してもよい。さらに、判定部１３と表示部１４と通信部１５を全て一体に形成することもできる。 The determination unit 13 and the display unit 14 may be formed separately, or the determination unit 13 and the display unit 14 may be formed as the same unit. The same applies to the communication unit 15, and it may be formed separately from the determination unit 13, or may be formed integrally therewith. Furthermore, the determination unit 13, the display unit 14, and the communication unit 15 can all be formed integrally.

断線判定手段１には、さまざまな態様が考えられるが、例えば、断線判定手段１を備える取り付け部１０を単独のパーツとして形成してもよい。その場合、判定部１３や表示部１４を備えた本体部１８から第一接続部１１と第二接続部１２が突出した形状とすることなどが例示できる（図５参照）。断線判定手段１を備える取り付け部１０を単独のパーツとして形成する場合、車両への充電開始前後などに車両用充電装置９１の利用者が充電コネクタ６８の出力部６０に接続することで充電ケーブル３の断線を確認するようにすれば良い。 Various modes are conceivable for the disconnection determination means 1. For example, the mounting portion 10 including the disconnection determination means 1 may be formed as a single part. In this case, for example, the first connection portion 11 and the second connection portion 12 may protrude from the body portion 18 including the determination portion 13 and the display portion 14 (see FIG. 5). When the mounting portion 10 including the disconnection determination means 1 is formed as a single part, the user of the vehicle charging device 91 connects the charging cable 3 to the output portion 60 of the charging connector 68 before and after charging the vehicle. It is good to check for disconnection of .

ところで、取り付け部１０（断線検知部材）は、充電時に車両に接続される充電コネクタ６８の出力部６０を、非充電時に覆うことが可能である構成とすることが好ましいが、充電コネクタ６８に備えられた出力部６０全体を覆う必要はなく、少なくとも接続する出力部６０と同程度の間隔を第一接続部１１と第二接続部１２に設けることができるものであればよい。例えば、通信線の断線確認を行えるようにする場合は、充電コネクタ６８の通信線出力部６２とアース線出力部６３との間の距離と、取り付け部１０（断線検知部材）の第一接続部１１と第二接続部１２との間の距離とを略同一のものとできる大きさを確保すればよく、その他の出力部６０などを取り付け部１０で覆わない形態とすることも可能である。なお、取り付け部１０（断線検知部材）の収納場所については、特に限定されないが、充電コネクタ６８に収納部を設けてもよいし、車両に収納部を設けてもよい。 By the way, it is preferable that the mounting portion 10 (disconnection detection member) has a configuration capable of covering the output portion 60 of the charging connector 68 that is connected to the vehicle during charging when the charging connector 68 is not charged. It is not necessary to cover the entirety of the output section 60, and it is sufficient if the first connection section 11 and the second connection section 12 can be provided with at least the same interval as the output section 60 to be connected. For example, when it is possible to check the disconnection of the communication line, the distance between the communication line output portion 62 and the ground wire output portion 63 of the charging connector 68 and the first connection portion of the mounting portion 10 (disconnection detection member) 11 and the second connection portion 12 can be substantially the same. The storage location of the mounting portion 10 (disconnection detection member) is not particularly limited, but the storage portion may be provided in the charging connector 68 or may be provided in the vehicle.

また、図６及び図７に示すことから理解されるように、取り付け部１０を充電コネクタ６８のコネクタホルダ８１と一体に形成してもよい。コネクタホルダ８１を設置している場合、車両への充電を行わない非充電時には、充電コネクタ６８はコネクタホルダ８１に保持される。非充電時に充電コネクタ６８を収納するコネクタホルダ８１は、単独のパーツで形成されているものであってもよいし、図８に示すことから理解されるように、車両用充電装置９１などと一体で形成されているものであってもよい。 6 and 7, the attachment portion 10 may be formed integrally with the connector holder 81 of the charging connector 68. FIG. When the connector holder 81 is installed, the charging connector 68 is held by the connector holder 81 when the vehicle is not charged. The connector holder 81 that houses the charging connector 68 during non-charging may be formed as a single part, or as can be understood from FIG. It may be formed of

コネクタホルダ８１には、少なくとも充電コネクタ６８の出力部６０を覆い、接続するためのホルダ部８２を備えることが一般的であるが、このホルダ部８２に取り付け部１０を設けるものとするのが好ましい。特に、充電コネクタ６８の出力部６０に面する位置に取り付け部１０を設け、各接続部と各出力部を接続できるようにすることが好ましい。 The connector holder 81 generally includes a holder portion 82 for covering and connecting at least the output portion 60 of the charging connector 68 , but it is preferable to provide the mounting portion 10 in the holder portion 82 . . In particular, it is preferable to provide the attachment portion 10 at a position facing the output portion 60 of the charging connector 68 so that each connection portion and each output portion can be connected.

コネクタホルダ８１のホルダ部８２の形状は、充電コネクタ６８の出力部６０の形状に対応したものとすればよく、充電コネクタ６８を収納しやすくするガイド部８４が形成されているのが望ましい。 The shape of the holder portion 82 of the connector holder 81 may correspond to the shape of the output portion 60 of the charging connector 68, and it is desirable to form a guide portion 84 that facilitates the housing of the charging connector 68.

例えば、充電コネクタ６８の出力部６０の下方には凸部６９を形成する場合、それに対応する凹形状のガイド部８４をホルダ部８２の下方に形成するのが好ましい。ガイド部８４が形成されていれば、充電コネクタ６８が収納しやすくなるとともに、出力部６０と接続部とが接続しやすくなる。また、接続部が接続される出力部６０を間違えないようにすることができる。 For example, when the convex portion 69 is formed below the output portion 60 of the charging connector 68 , it is preferable to form a corresponding concave guide portion 84 below the holder portion 82 . If the guide portion 84 is formed, the charging connector 68 can be easily accommodated, and the output portion 60 and the connection portion can be easily connected. In addition, it is possible to avoid mistaking the output unit 60 to which the connection unit is connected.

判定部１３の位置については特に限定しないが、出力部６０は充電コネクタ６８を収納した際に見やすくなる位置（ホルダ部８２の上方など）に形成することが好ましい。また、コネクタホルダ８１が、充電コネクタ６８を収納した後に上下若しくは左右方向に回動可能に形成されている場合には、挿入時の方向から、挿入後に方向が変更されたときに、「判定部１３による判定」又は「表示部１４による表示」の少なくとも一方が行われるものとしてもよい。 Although the position of determination portion 13 is not particularly limited, output portion 60 is preferably formed at a position (such as above holder portion 82) that is easy to see when charging connector 68 is stored. Further, when the connector holder 81 is formed so as to be capable of rotating vertically or horizontally after the charging connector 68 is accommodated, when the direction after insertion is changed from the direction at the time of insertion, the "determination unit At least one of "determination by 13" and "display by display unit 14" may be performed.

また、図９及び図１０に示すことから理解されるように、取り付け部１０をコネクタキャップ８６と一体に形成してもよい。コネクタキャップ８６は、車両への充電を行わない非充電時に、充電コネクタ６８の出力部６０を塞ぐように被せて使用する。コネクタキャップ８６で充電コネクタ６８の出力部６０を塞ぐことで、出力部６０への埃や水の侵入を防ぐことができる。このため、コネクタキャップ８６は少なくとも充電コネクタ６８の出力部６０の全体を覆うカバー部８７を備えている。 9 and 10, the mounting portion 10 may be integrally formed with the connector cap 86. FIG. The connector cap 86 is used to cover the output portion 60 of the charging connector 68 when the vehicle is not charged. By covering the output portion 60 of the charging connector 68 with the connector cap 86 , dust and water can be prevented from entering the output portion 60 . Therefore, the connector cap 86 has at least a cover portion 87 that covers the entire output portion 60 of the charging connector 68 .

コネクタキャップ８６に取り付け部１０を形成する場合、充電コネクタ６８の出力部６０と面する位置に第一接続部１１と第二接続部１２を形成することで、コネクタキャップ８６を充電コネクタ６８に取り付けるときに接続部と出力部６０とが接続されるようにすることが好ましい。 When the attachment portion 10 is formed on the connector cap 86 , the connector cap 86 is attached to the charging connector 68 by forming the first connection portion 11 and the second connection portion 12 at positions facing the output portion 60 of the charging connector 68 . It is preferred that the connection portion and the output portion 60 are connected at times.

判定部１３の位置については、特に限定しないが、出力部６０は、充電コネクタ６８を収納した際に見やすくなる位置（カバー部８７の上方など）に形成することが好ましい。また、出力部６０と接続部とが接続しやすくなるようにガイド部８８を設けることが好ましい。 Although the position of determining portion 13 is not particularly limited, output portion 60 is preferably formed at a position (such as above cover portion 87) that is easy to see when charging connector 68 is stored. Moreover, it is preferable to provide a guide portion 88 so that the output portion 60 and the connection portion can be easily connected.

ここで、断線判定手段１を備えた取り付け部１０の使用時の流れについての例を説明する。先ず、充電ケーブル３をコンセントに接続するか、車両用充電装置９１の電源をオンにする。そして、充電ケーブル３内の電源線や通信線に電圧を印加する。また、充電コネクタ６８に取り付け部１０を接続する。判定部１３が判定できる条件が揃ったところで、判定部１３による判定を開始する。その後、判定結果を出力する。このようにすることで、充電コネクタ６８の断線の検知を、車両に接続せずに行うことができる。 Here, an example of the flow of using the mounting portion 10 having the disconnection determination means 1 will be described. First, the charging cable 3 is connected to an outlet, or the vehicle charging device 91 is turned on. Then, voltage is applied to the power line and communication line in the charging cable 3 . Also, the mounting portion 10 is connected to the charging connector 68 . Judgment by the judgment unit 13 is started when the conditions for the judgment by the judgment unit 13 are met. After that, the determination result is output. By doing so, disconnection of the charging connector 68 can be detected without connecting to the vehicle.

また、充電コネクタ６８に取り付け部１０を接続した後、充電ケーブル３をコンセントに接続するか車両用充電装置９１の電源をオンするかし、充電ケーブル３内の電源線や通信線に電圧を印加することで、判定部１３による判定が開始できるようにし、判定の結果を出力するようにしても良い。その他の流れで断線判定手段１を利用しても良いことは勿論のことである。 Also, after connecting the mounting portion 10 to the charging connector 68, the charging cable 3 is connected to an outlet or the vehicle charging device 91 is turned on to apply a voltage to the power line and communication line in the charging cable 3. By doing so, the determination unit 13 can start determination, and the determination result may be output. It goes without saying that the disconnection determining means 1 may be used in other flows.

なお、充電ケーブル３は電源線や通信線、アース線で構成されるが、充電ケーブル３のねじれや充電ケーブル３の踏み付けなどを原因として、充電ケーブル３を構成する各線が断線するおそれがある。中でも、最も細い通信線は断線しやすいため、特に通信線の断線検知を行える断線判定手段１とすることが好ましい。 Although the charging cable 3 is composed of a power supply line, a communication line, and a ground line, there is a risk that each wire that constitutes the charging cable 3 may be disconnected due to twisting of the charging cable 3, stepping on the charging cable 3, or the like. Among them, the thinnest communication line is easily broken, so it is preferable to use the disconnection determination means 1 that can detect the disconnection of the communication line.

なお、断線判定手段１は、取り付け部１０（断線検知部材）に判定部１３を有した実施例に限定されない。例えば、図１１や図１２に示すように、コントロールボックス４４や車両用充電装置９１に断線検知回路及び判定部１３を設けてもよい。この場合、充電コネクタ６８に取り付け部１０（断線検知部材）を接続することで、回路が形成され、その回路に印加される電圧に基づいて、コントロールボックス４４若しくは車両用充電装置９１に設けられた判定部１３で、充電ケーブル３の断線の有無を判定するようにしてもよい。 Note that the wire breakage determination means 1 is not limited to the embodiment in which the attachment portion 10 (wire breakage detection member) has the determination portion 13 . For example, as shown in FIGS. 11 and 12 , the control box 44 and the vehicle charging device 91 may be provided with the disconnection detection circuit and determination unit 13 . In this case, by connecting the mounting portion 10 (disconnection detection member) to the charging connector 68, a circuit is formed, and based on the voltage applied to the circuit, the control box 44 or the vehicle charging device 91 is provided with a voltage. The determination unit 13 may determine whether or not the charging cable 3 is broken.

以上、実施形態を例に挙げて本発明について説明してきたが、本発明は上記実施形態に限定されることはなく、各種の態様とすることが可能である。 Although the present invention has been described above using the embodiments as examples, the present invention is not limited to the above-described embodiments, and various aspects are possible.

１ 断線判定手段
３ 充電ケーブル
１０ 取り付け部
１１ 第一接続部
１２ 第二接続部
１３ 判定部
１５ 通信部
４１ 第一の電線
４２ 第二の電線
６０ 出力部 1 disconnection determination means 3 charging cable 10 mounting portion 11 first connection portion 12 second connection portion 13 determination portion 15 communication portion 41 first electric wire 42 second electric wire 60 output portion

Claims (3)

車両用充電ケーブルに備えられた電源線に接続される電源線出力部と、前記車両用充電ケーブルに備えられた通信線に接続される通信線接続部と、前記車両用充電ケーブルに備えられたアース線に接続されるアース線出力部と、を有する充電コネクタを端部に備える車両用充電ケーブルの断線の有無を判定する判定部を備えた断線判定手段であって、
通信線出力部に接続可能な第一接続部と、前記アース線出力部に接続可能な第二接続部と、前記判定部と、が、前記充電コネクタが車両と非接続な状態において前記充電コネクタに接続される取り付け部に備えられ、
前記第一接続部と前記第二接続部を繋ぐ電路上に位置する前記判定部が、前記取り付け部を前記充電コネクタに接続した状態において電圧の印加を検知する場合に、前記車両用充電ケーブルに断線が生じていないと判定することが可能である車両用充電ケーブルの断線判定手段。 a power line output unit connected to a power line provided in a vehicle charging cable; a communication line connection unit connected to a communication line provided in the vehicle charging cable; A disconnection determination means comprising a determination unit for determining whether or not a disconnection exists in a vehicle charging cable having a charging connector at an end thereof, the ground wire output unit being connected to a ground wire,
The first connection section connectable to the communication line output section, the second connection section connectable to the ground line output section, and the determination section perform the charging when the charging connector is disconnected from the vehicle. It is provided in the mounting part connected to the connector,
When the determination unit located on the electric path connecting the first connection unit and the second connection unit detects application of voltage in a state in which the mounting unit is connected to the charging connector, the vehicle charging cable Disconnection determination means for a vehicle charging cable capable of determining that no disconnection has occurred. 前記取り付け部は、前記電源線出力部と、前記通信線接続部と、前記アース線出力部からなる出力部全体を、覆うことが可能である請求項１に記載の車両用充電ケーブルの断線判定手段。 2. The vehicle charging cable disconnection determination according to claim 1, wherein the mounting portion can cover the entire output portion including the power line output portion, the communication line connection portion, and the ground line output portion. means. 前記取り付け部に、前記判定部による判定結果を外部に通信可能な通信部を備えた請求項１又は２に記載の車両用充電ケーブルの断線判定手段。 3. The vehicle charging cable disconnection determination means according to claim 1, wherein the mounting portion is provided with a communication section capable of communicating the determination result of the determination section to the outside.
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