JP5362367B2 - Charging cable connection structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coupling structure for charging cables, capable of reducing the risk of having a charging cable stolen during charging. <P>SOLUTION: The coupling structure for charging cables has a charging cable 4 for charging an electric vehicle 2, by connecting a charging side power feed port 1 to a power receiving port 3 of the electric vehicle 2; a locking block 5, formed integrally on the charging cable 4; a cable holder 7 to be fixed to a fixing base 6, such as, a wall surface at a position where the locking block 5 of the charging cable 4 connected to the charging side power feed port 1 can be coupled; and a locking means 8 for coupling the locking block 5 to the cable holder 7 so as to be coupled in removal-disabled manner, in a locking state. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a connecting structure for a charging cable used when charging an electric vehicle.

  Charging of an electric vehicle using a household commercial power supply or the like is performed by connecting an outlet and the electric vehicle with a charging cable as described in Patent Document 1.

JP 2008-61432 A

  However, in the above-described conventional example, since the outlet is usually installed outdoors and charging of an electric vehicle using a commercial power source for general residence takes time, the charging cable is left outdoors for a long time. There is a problem that there is a risk of theft.

  The present invention has been made to eliminate the above-described drawbacks, and an object of the present invention is to provide a charging cable connection structure that reduces the risk of the charging cable being stolen during charging. Another object of the present invention is to provide a charging cable that can be used for a connecting structure, and a cable holder.

According to the present invention, the object is
A charging cable 4 for charging the electric vehicle 2 by connecting the charging side feeding port 1 and the power receiving port 3 of the electric vehicle 2;
A control box 5 that houses a charging control circuit 9 and is integrally formed with the charging cable 4;
A cable holder 7 which is fixed to the fixed base 6 of the wall surface in a connectable position control box 5 of the charging cable 4 connected to the charging side feed port 1,
Have
The cable holder 7 is formed in a U-shaped cross section in which the pressing piece 7b protrudes from the left and right ends of the fixing piece 7a fixed to the fixing base 6 and the control box 5 can be inserted therein.
The control box 5 is locked to a locking member 14 to move between locking and unlocking positions engaging and disengaging the lock hole 7d, which is opened in the pressing pieces 7b, desorbed non coupled to Ke Buruhoruda 7 Te locked state odor This is achieved by providing a connecting structure for the charging cable in which the means 8 is incorporated .

The connection structure of the present invention includes a locking block portion ( control box) 5 formed in the cable portion 12 of the charging cable 4, a wall surface located in the vicinity of the charging side power supply port 1 provided in a charging facility such as a charging device, and the like. A cable holder 7 fixed to the fixed base 6 and a locking means 8. When connecting the electric vehicle 2 and the charging-side power supply port 1 of the charging device or the like using the charging cable 4, the locking block 5 is connected to the cable holder 7, and the locking means 8 is locked. Release of connection from the cable holder 7 is restricted.

  Therefore, in the present invention, if the locking block 5 is connected to the cable holder 7 during charging and the locking means 8 is in the locked state, the charging cable 4 cannot be removed from the cable holder 7, so that theft is surely ensured. Can be prevented.

The locking block 5 is provided with a mounting board or the like on which a charging control circuit 9 such as a shutdown circuit at the time of leakage is mounted in the charging cable 4 to prevent an inrush current at the start of energization of the electric vehicle 2. The control box to be stored is used.

  The locking means 8 can be built in either the locking block 5 or the cable holder 7 and can be configured to engage and disengage the lock body toward the other, but formed separately from both. You can also

  The locking means 8 may be configured as an electric lock that is driven by an actuator 11 that performs a release operation on the condition that authentication is established in the authentication unit 10, in addition to a manual lock operation such as a cylinder lock or a dial lock. it can. In this case, the authentication unit 10 can use a contactless type that uses radio waves such as RFID in addition to a contact type such as biometric authentication such as fingerprint authentication and password authentication.

In addition, in the connection structure,
A control box 5 for storing a charge control circuit 9;
A wiring connector 13 fixed to both ends of the cable portion 12;
The control box 5 is connected to a cable holder 7 fixed to a fixed base 6 such as a wall surface and attached to the fixed base 6, and the wiring connector 13 is connected to the charging side feeding port 1 and the power receiving port 3 of the electric vehicle 2. An electric vehicle charging cable for connecting and feeding electric vehicle 2 from charging side power supply port 1 to charge electric vehicle 2,
Having locking means 8 that is detachably connected to the cable holder 7 in the locked state;
The control box 5 is formed so that it can be inserted into the cable holder 7 formed in a U-shaped cross section by projecting the pressing pieces 7b from the left and right ends of the fixing piece 7a fixed to the fixing base 6.
The locking means 8 is built in the control box 5 with a lock body 14 that moves between the locking and unlocking positions to be engaged with and disengaged from the lock hole 7d provided in the pressing piece 7b.
In addition, the control box 5 is formed in the cable portion 12 in the vicinity of the wiring connector 13 to the charging side power supply port 1, and restricts the movement of the wiring connector 13 in the connected state to the cable holder 7. An electric vehicle charging cable that restricts detachment from the power supply port 1 can be used.

  The charging cable 4 has wiring connectors 13 at both ends of the cable portion 12, and one is connected to the charging side power supply port 1 and the other is connected to the power receiving port 3 of the electric vehicle 2 when used. The locking block portion 5 is provided at a position of the cable portion 12 that can regulate the connection state of the one wiring connector 13 to the charging-side power supply port 1, that is, a position sufficiently close to the wiring connector 13.

  When the locking block portion 5 is set and restrained in the cable holder 7 with the wiring connector 13 connected to the charging-side power supply port 1, the movement of the wiring connector 13 is restricted by the rigidity of the cable portion 12. The connector 13 will not inadvertently leave the charging side power supply port 1.

Furthermore, the connection structure includes
It is fixed to the fixed base 6 such as wall surfaces, an electric vehicle that is coupled to the charging cable 4 which includes a control box 5 for storing the charging control circuit 9 connects the power receiving port 3 on the charge side feed port 1 and the electric vehicle 2 A charging cable holder,
The pressing piece 7b protrudes from the left and right end portions of the fixing piece 7a and is formed in a U-shaped cross-section into which the control box 5 can be inserted. The fixing piece 7a is fixed to the fixing base 6 in the vicinity of the charging side power supply port 1. Fixed by
And the holder for the charging cable of an electric vehicle provided with the lock | rock means 8 provided with the lock body 14 which moves between the locking / unlocking positions engaged / disengaged in the lock hole 7d opened in the right-and-left side wall of the said control box 5 can be used.

According to the present invention,
A charging cable 4 for charging the electric vehicle 2 by connecting the charging side feeding port 1 and the power receiving port 3 of the electric vehicle 2;
A locking block 5 formed integrally with the charging cable 4;
A cable holder 7 fixed to a fixed base 6 such as a wall surface at a position where the locking block 5 of the charging cable 4 connected to the charging-side power supply port 1 can be coupled;
Locking means 8 for detachably connecting the locking block 5 to the cable holder 7 in the locked state;
Charging cable connection structure having
The wiring connector 13 fixed to both ends of the cable portion 12 is connected to the charging side power supply port 1 and the power receiving port 3 of the electric vehicle 2 to supply power to the electric vehicle 2 from the charging side power supply port 1 to charge the electric vehicle 2. A charging cable for an electric vehicle,
The cable portion 12 is formed with a locking block portion 5 that is lockably connected to a cable holder 7 that is fixed to a fixed base portion 6 such as a wall surface.
The locking block portion 5 is formed in the vicinity of the wiring connector 13 to the charging side power supply port 1, restricts the movement of the wiring connector 13 in the connected state to the cable holder 7, and the charging side power supply port 1. Electric vehicle charging cable that regulates detachment from the
The wiring connector 13 fixed to both ends of the cable portion 12 is connected to the charging side power supply port 1 and the power receiving port 3 of the electric vehicle 2 to supply power to the electric vehicle 2 from the charging side power supply port 1 to charge the electric vehicle 2. A charging cable for an electric vehicle,
The cable portion 12 is formed with a locking block portion 5 that is lockably connected to a cable holder 7 that is fixed to a fixed base portion 6 such as a wall surface.
The locking block 5 is
An authentication unit 10 that transitions to an authentication establishment state due to a match between the input ID information and pre-registered ID information;
A lock body 14 that moves between locking and unlocking positions that engage and disengage with the cable holder 7;
An actuator 11 for driving the lock body 14 between the locking and unlocking positions;
A controller 15 that unlocks and drives the actuator 11 on the condition that the authentication in the authentication unit 10 is established;
An electric vehicle charging cable having,
An electric vehicle that is fixed to a fixed base 6 such as a wall surface in the vicinity of the charging-side power supply port 1 and that connects the charging cable 4 that connects the charging-side power supply port 1 and the power receiving port 3 of the electric vehicle 2 so as not to be detached in the locked state. It is also possible to provide a charging cable holder.

  According to the present invention, since the charging cable being charged can be connected to the cable holder in a non-detachable manner, it is possible to prevent the charging cable from being stolen.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows this invention, (a) is explanatory drawing which shows the charge condition of an electric vehicle, (b) is 1B direction arrow directional view of (a), (c) is a perspective view which shows the mounting state to a cable holder. is there. It is a functional block diagram of a charging cable. It is a figure which shows the attachment state to a cable holder, (a) is the sectional view on the 3A-3A line of Fig.1 (a), (b) is the sectional view on the 3B-3B line of Fig.1 (a), (c) is locking It is the 3B-3B sectional view taken on the line of Fig.1 (a) in a state. 5 is a flowchart showing the operation of the charging cable, (a) is a flowchart showing the operation of the lock control unit, and (b) is a flowchart showing the operation of the portable key. It is a functional block diagram which shows other embodiment of this invention. It is a figure which shows the 3rd Embodiment of this invention, (a) is a perspective view which shows the attachment middle, (b) is a perspective view which shows a mounting state, (c) is a front view of (b). 6A is a cross-sectional view taken along the line 7A-7A in FIG. 6C, FIG. 6B is a cross-sectional view taken along the line 7A-7A in FIG. 6C in the locked state, and FIG. It is the 7C-7C sectional view taken on the line of (b). It is a figure which shows the reference example of this invention, (a) is a perspective view which shows the attachment middle, (b) is a perspective view which shows a locking state.

  As shown in FIGS. 1 and 2, the electric vehicle 2 is charged by connecting a charging side power supply port 1 provided in the charging device 16 and a power receiving port 3 of the electric vehicle 2 via a charging cable 4. This is performed by supplying power from the power supply port 1 to the power reception port 3. At both ends of the cable portion 12 of the charging cable 4, a power receiving port 3 and a wiring connector 13 for connecting the under-charging to the power feeding port are fixed. The charging-side power supply port 1 is fixed to the wall surface of the house or the wall surface of the charging device 16. In this embodiment, an outlet fixed to the wall surface of the house is used as the charging-side power supply port 1.

  In order to prevent the charging cable 4 from being stolen during the charging of the electric vehicle 2, a cable holder 7 is fixed in the vicinity of the outlet with the wall surface of the house where the outlet is installed as a fixed base 6. The locking block portion 5 formed in the intermediate portion is connected to the locked state so as not to be detached.

  The removal of the charging cable 4 from the cable holder 7, that is, the unlocking operation of the locked state is performed using the portable key 17, and the unlocked state is established when authentication for the authentication ID unique to the portable key 17 is established.

  The distance (D) between the locking block 5 of the charging cable 4 and the plug (wiring connector 13) connected to the outlet 1 is restricted from moving the locking block 5 as shown in FIG. In such a state, the plug 13 connected to the outlet 1 is moved as close to the extent that the movement of the plug 13 in the removal direction is regulated by the rigidity of the cable portion 12, and separated so as not to interfere with the connection operation of the plug 13 to the outlet 1. Is set.

  As shown in FIG. 2, the portable key 17 includes a control unit 17b driven by a battery 17a, a transmission unit 17c operated by the control unit 17b, a reception unit 17d, and an ID storage unit 17e. . In the ID storage unit 17e, an authentication ID unique to the portable key 17 is stored. The portable key 17 is configured such that when the receiving unit 17d receives a request signal from the lock control unit 18, which will be described later, the control unit 17b sets a response signal including an authentication ID in the transmission unit 17c and sends it back to the lock control unit 18. To work.

  The locking block portion 5 of the charging cable 4 is composed of a charging control circuit 9 for preventing the occurrence of an inrush current to the electric vehicle 2 and an appropriate number of mounting boards that are powered by the power supply adjustment portion 19. And a lock control unit 18 to be operated.

  The lock control unit 18 includes a control unit 15, an authentication unit 10 that operates under the control of the control unit 15, a transmission unit 18 a, a reception unit 18 b, and a lock driving unit 18 c, and the control unit 15 makes a request at a predetermined timing. A signal is set in the transmitter 18a and transmitted to the portable key 17, and a response from the portable key 17 is waited for a predetermined time.

  When the receiving unit 18 b receives the response signal from the portable key 17, the control unit 15 extracts the authentication ID from the response signal and outputs the authentication ID to the authentication unit 10. Upon receiving the authentication ID, the authentication unit 10 searches the ID storage unit 10a for the received authentication ID, and notifies the control unit 15 of an authentication establishment signal when the search is successful.

  When the control unit 15 receives the authentication establishment signal, it sets a lock release signal to the lock driving unit 18c and drives the actuator 11 to unlock.

  The mechanical structure of the locking block 5 that operates as described above and the cable holder 7 that holds the locking block 5 will be described. First, as shown in FIGS. 1B and 3, the cable holder 7 is formed in a U-shaped cross section by projecting the pressing pieces 7 b forward from the left and right ends of the fixing pieces 7 a to the house wall surface. An L-shaped locking hook 7c projects from the front wall of the fixed piece 7a, and a lock hole 7d is formed in the holding piece 7b.

  On the other hand, as shown in FIG. 3, the locking block portion 5 is formed by mounting a cover 5b on the surface of the base 5a, and the lock control portion 18 and the charging control portion 15 are mounted on the base 5a. The substrate 5c is fixed. Further, the base 5a is formed with a locking recess 7e for locking the locking hook 7c of the cable holder 7, and the charging cable 4 is dropped from above so that the locking recess 7e is locked by the locking hook 7c. Can be attached to the cable holder 7.

  Further, a solenoid (actuator 11) constituting the locking means 8 is fixed in the locking block portion 5. The solenoid 11 is a latch solenoid and is arranged at a position where a plunger that functions as the lock body 14 in the state of being set in the cable holder 7 advances and retreats in the lock hole 7 d of the cable holder 7. As shown in FIG. 3 (b), the plunger 14 is detached from the lock hole 7d in the unlocked state, and is inserted into the lock hole 7d in the locked state and detached from the cable holder 7 as shown in FIG. 3 (c). It is connected inseparably.

  FIG. 4A shows the operation of the lock control unit 18. The lock control unit 18 wirelessly outputs a request signal to the portable key 17 at a predetermined timing when control is started (steps 100 and 101), and waits for a response from the portable key 17 (step 102).

  When there is a response and authentication for the authentication ID is established (step 103), an unlock signal is set in the lock driving portion 18c, and the solenoid 11 is driven in the unlock direction (step 104). In this state, the plunger 14 can be detached from the lock hole 7 d and the charging cable 4 can be detached from the cable holder 7.

  On the other hand, if there is no response from the portable key 17 or authentication is not established in step 102, a lock signal is set in the lock driving unit 18c and the solenoid 11 is shifted to the locked state (step 105).

  FIG. 4B shows the operation of the portable key 17. As described above, the portable key 17 is configured to respond to the request signal from the lock control unit 18, and the control unit 17b monitors reception of the request signal at a predetermined timing (steps 200 and 201). When the receiving unit 17d receives the request signal, it acquires an authentication ID from the ID storage unit 17e and outputs it from the transmitting unit 17c (step 202).

  FIG. 5 shows another embodiment of the present invention. In the following description of the embodiments, components that are substantially the same as those of the above-described embodiment are denoted by the same reference numerals in the drawings, and description thereof is omitted. FIG. 5 shows the case where the locking means 8 is provided on the cable holder 7 side, and the locking block portion 5 is provided with a lock hole 7d through which the plunger 14 of the solenoid 11 incorporated in the cable holder 7 advances and retreats.

  The lock control unit 18 accommodated in the cable holder 7 is driven by the built-in battery 7f. In order to prevent the internal battery 7f from being consumed, the lock control unit 18 is provided with an authentication start button 20, and the control unit 15 outputs a request signal when the operation of the authentication start button 20 is detected. The locking and unlocking operation is performed in the same manner as in the above embodiment.

  The third and fourth embodiments using the manually operated locking means 8 are shown below in FIG. First, in the third embodiment shown in FIGS. 6 and 7, the locking means 8 is formed by a cylinder lock and is fixed to the cable holder 7. As shown in FIG. 7, the cylinder lock is formed by inserting a cylinder 8 b into a cylinder case 8 a so as to be rotatable, and is arranged along the insertion direction of the locking block portion 5.

  A lock lever 21 is fixed to the rear end of the cylinder 8b, and a slit-like lock groove 5d is formed in the locking block portion 5. After setting the locking block 5 to be placed on the support piece 7g formed at the lower end of the cable holder 7, when the cylinder lock 8 is brought into the locked state, as shown in FIGS. 7B and 7C, After the lock lever 21 is engaged with the lock groove 5d, detachment of the locking block portion 5 is restricted. Thereafter, when the cylinder lock 8 is rotated in the unlocking direction, the locking of the lock lever 21 to the lock groove 5d is released.

Furthermore, the locking means 8 can be arranged other than the cable holder 7 or the locking block portion 5, and for example, a padlock or the like can be used as shown in FIG. 8 showing a reference example . In this reference example , a shackle insertion hole 22 is opened in the cable holder 7 and the locking block portion 5, and after the padlock 8 shackle is inserted into the shackle insertion hole 22, the charging cable 4 is locked by locking the padlock 8. Removal is regulated.

DESCRIPTION OF SYMBOLS 1 Charging side feeding port 2 Electric vehicle 3 Power receiving port 4 Charging cable 5 Locking block part 6 Fixed base part 7 Cable holder 8 Locking means 9 Charging control circuit 10 Authentication part 11 Actuator 12 Cable part 13 Wiring connector 14 Locking body 15 Control part

Claims (7)

A charging cable for charging the electric vehicle by connecting the charging side feeding port and the receiving port of the electric vehicle;
A control box that houses a charge control circuit and is formed integrally with the charging cable;
A cable holder fixed to the fixed base of the wall surface or the like in a connectable position control box of the charging cable connected to the charging side feed port,
Have
The cable holder is formed in a U-shaped cross-section that allows the pressing piece to protrude from the left and right ends of the fixed piece fixed to the fixed base, and the control box can be inserted therein.
The said control box, comprising a locking body to move between locking and unlocking positions engages and disengages the Created lock hole in each presser piece, locking means is built desorbing non coupled to Ke Buruhoruda Te locked state odor Charging cable connection structure. The charging cable is formed by fixing a wiring connector for connecting to the charging side power supply port and the power receiving port at both ends of the cable part,
The control box is formed in the cable portion in the vicinity of the wiring connector to the charging side power supply port, regulates the movement of the wiring connector in the connected state to the cable holder, and is detached from the charging side power supply port. The connection structure of the charging cable according to claim 1 to be regulated . The L-shaped locking hook is provided on the fixed piece so as to protrude from a locking recess formed in the control box to position the lock body at a position where the lock body can be engaged with and disengaged from the lock hole. The connection structure of the charge cable of 2. 4. The charging cable coupling structure according to claim 1, wherein a locking means is provided in the cable holder instead of the control box, and lock holes for engaging and disengaging the lock body are formed on the left and right side surfaces of the control box. . The connection structure of the charging cable according to claim 4, wherein a slit-like lock groove is formed in the control box instead of the lock hole. A control box for storing the charge control circuit;
A wiring connector fixed at both ends of the cable part;
The control box is attached to the fixed base by connecting the control box to a cable holder fixed to a fixed base such as a wall surface, and the wiring connector is connected to the charging side power supply port and the power receiving port of the electric vehicle from the charging side power supply port. An electric vehicle charging cable for supplying power to the electric vehicle and charging the electric vehicle,
In the locked state, having a locking means for detachably connecting to the cable holder,
The control box is formed so that it can be inserted into a cable holder formed in a U-shaped cross section by projecting the pressing pieces from the left and right ends of the fixed piece fixed to the fixed base,
The locking means includes a lock body that moves between locking and unlocking positions that are engaged with and disengaged from a lock hole formed in the pressing piece, and is incorporated in a control box.
And the control box is formed in the cable portion in the vicinity of the wiring connector to the charging side power supply port to regulate the movement of the wiring connector in the connected state to the cable holder, and to be detached from the charging side power supply port. Regulating electric vehicle charging cable. A holder for a charging cable of an electric vehicle, which is fixed to a fixed base such as a wall surface and includes a control box storing a charging control circuit and is connected to a charging cable that connects between a charging-side power supply port and a power receiving port of the electric vehicle. ,
It is formed in a U-shaped cross-section that allows the control box to be inserted inside by protruding the pressing piece from the left and right ends of the fixing piece, and is fixed to the fixing base by the fixing piece in the vicinity of the charging side power supply port,
A charging cable holder for an electric vehicle provided with locking means having a locking body that moves between locking and unlocking positions that are engaged with and disengaged from lock holes formed in the left and right side walls of the control box .

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