JP5475542B2 - Power supply plug lock structure for battery charging power receiving connector - Google Patents

Description

  The present invention relates to a power supply plug lock structure for a battery charging power receiving connector that is connected to a power supply plug as a power source and charges a battery.

  In recent years, for the purpose of suppressing exhaust gas from vehicles to a small extent, each vehicle manufacturer has become very high in the development of electric vehicles (including hybrid vehicles) driven by motors. In such an electric vehicle, each time the remaining amount of power of the battery, which is a power source of the vehicle, decreases, the battery must be charged at, for example, a home or a desk lamp. However, various charging systems that can be handled easily will be provided (for example, see Patent Document 1). As an example of this case, for example, an inlet part to which a power supply connector (power supply plug) connected to a commercial power supply at home can be connected is provided in the vehicle, and the power supply connector is connected to the inlet part of the parked vehicle when returning home. It is assumed that the battery of the vehicle is charged by sending the battery to the vehicle.

JP-A-9-161898

  By the way, even though it is said that rapid charging technology has been developed for battery charging of an electric vehicle, there is a current situation that requires a relatively long time compared to gasoline supply of a gasoline vehicle. In particular, when a user charges a battery at home, it is rare that a general household is equipped with a device for high-speed charging. Therefore, charging is performed by connecting a power supply connector connected to a household power supply to the inlet of the vehicle. In many cases, the vehicle is left in that state for a long time after the start. In this case, for example, there is a possibility that the power supply connector is removed from the vehicle being powered and attached to the inlet portion of another vehicle and the power supply connector may be stolen, or the power supply connector itself may be stolen. There has been a demand for the development of a technology for preventing the power feeding connector from being illegally removed.

  In addition, in order to prevent unauthorized removal of the power supply connector connected to the vehicle, when the power supply connector lock device is mounted on the vehicle, when the lock device is locked, the key ID verification is required. However, although it is always a work performed by the user, a key collation work is imposed on the user, and there is a problem that the operation for shifting to the locked state is very troublesome. Therefore, there is a need for technology development that does not cause inconvenience when switching the lock device to the locked state.

  The present invention has been made in view of such circumstances, and its purpose is to prevent unauthorized removal of the power plug connected to the power receiving connector without permission, and to shift the state to the user. It is an object of the present invention to provide a power supply plug lock structure for a battery charging power receiving connector that can be performed without inconvenience.

Hereinafter, means for achieving the above-described object and its operation and effects will be described.
According to the first aspect of the present invention, when a power plug is connected to the insertion slot, the battery plug is received by the latching claw of the power plug, and the battery is charged with the power from the power plug. In the power supply plug lock structure of the connector, the insertion of the locking claw is permitted by being pushed and retracted by the locking claw when the locking claw is inserted. A restricting member capable of restricting the protrusion of the latching claw and restricting the withdrawal of the latching claw, and the regulating member are formed as separate parts, and at least when the latching claw is inserted, the regulating member And an auxiliary member that allows the locking claw to be inserted, and the regulating member and the auxiliary member are integrally coupled when the locking claw is extracted. By doing these Re coupling means to permit withdrawal of the locking pawl as possible movements, by operating the coupling means on the basis of the collation result of the user verification, sets whether to withdrawal of the locking claw to take the locked state The gist is that it is provided with a control means .

  According to this configuration, when the power supply plug is connected to the power receiving connector, the restricting member and the auxiliary member retreat together with the insertion of the locking claw, so that the locking claw is moved to its engaging portion. It can be inserted at (insertion point). Therefore, for example, the power plug can be connected to the power receiving connector by simply inserting the power plug into the insertion port without performing user verification using a key. And it will be in the locked state which a regulation member latches with a convex part, and will be in the state where a power feeding plug cannot be extracted from a power receiving connector illegally.

  When the power plug is connected to the power receiving connector, if a third party tries to remove the power plug from the power receiving connector without permission, the coupling means will not work, so even if you try to remove the power plug from the power receiving connector, Although the auxiliary member is pushed up by the locking claw, the regulating member maintains its position as it is and is locked with the locking claw. That is, the lock device of the power supply plug maintains the locked state, and the locking claw cannot be removed from the insertion port. For this reason, after connecting the power plug to the power receiving connector, if a third party other than the user tries to remove the power plug from the power receiving connector without permission, the control member can be locked and the power plug can be removed. Can not. Therefore, the power supply plug connected to the power receiving connector does not need to be removed from the power receiving connector by a third party.

On the other hand, when the power supply plug is removed from the power receiving connector, the coupling member allows the regulating member and the auxiliary member to move together, so that the auxiliary member is pushed up by the locking claw as the locking claw is extracted. Thus, the restricting member and the auxiliary member retreat together. That is, the power plug locking device is unlocked, and the authorized user can remove the power plug from the power receiving connector without any problem.
Further, when the power plug is removed from the power receiving connector, for example, if user verification including key verification and biometric authentication is established, the control means can operate the coupling means so that the regulating member and the auxiliary member can move together. It becomes. On the other hand, if the user verification is not established, the control unit does not operate the coupling unit, and the regulating member and the auxiliary member do not move together. Therefore, if it is a regular user, it becomes possible to remove a power supply plug from a power receiving connector without a problem.

  According to a second aspect of the present invention, in the power supply plug lock structure of the battery charging power receiving connector according to the first aspect, the locking member is locked in a state where the locking claw is locked to the insertion port. The gist is to provide a biasing means for biasing to the nail side.

  According to this configuration, since the restricting member is urged to the engaging claw side in a state where the restricting member is engaged with the insertion port, the restricting member is engaged with the engaging claw when the restricting member is in the locked state. Firmly engaged. Therefore, it is possible to prevent the locking claws from coming off, and to prevent unauthorized removal of the power supply plug.

  According to a third aspect of the present invention, in the power supply plug lock structure of the battery charging power receiving connector according to the first or second aspect, the locking claw is locked to the insertion opening on the locking claw. In the state, a concave portion in which the restriction member and the auxiliary member are fitted is formed, and the gist is that a step formed by forming the concave portion is used as the convex portion.

  According to this configuration, since the concave portion is formed in the locking claw and the step formed by the concave portion is used as the convex portion, when the locking claw is inserted, the regulating member fits into the concave portion and locks with the convex portion. When doing, the front-end | tip part of a control member hides in a recessed part. Therefore, even if a third party attempts to lift the regulating member from the outside illegally, this action is difficult to perform, and therefore it is possible to make it difficult for the third party to release the locked state.

According to a fourth aspect of the present invention, in the power supply plug lock structure of the battery charging power receiving connector according to any one of the first to third aspects, the operating means connected to the regulating member is manually pulled to The gist of the invention is that it includes a manual release mechanism that allows the restriction member to be manually released by separating the restriction member from the engagement claw.

  If the connecting member, the controller, or the like cannot switch the restricting member from the locked state to the unlocked state due to some abnormality, the locking claw is not opened and the power supply plug cannot be removed from the power receiving connector. However, according to this configuration, when the operating means attached to the regulating member is pulled, the regulating member can be moved to the unlocked state. For this reason, even if the regulating member cannot be driven from the locked state due to some abnormality, the regulating member can be manually moved to the unlocked state, so that the locked state can be released, and the power supply plug can be disconnected from the power receiving connector. Can be pulled out.

According to a fifth aspect of the present invention, in the power supply plug lock structure of the battery charging power receiving connector according to the fourth aspect , the operation of the operation means is maintained while being pulled, thereby restricting the locking claw manually. The gist is that a manual release holding means for holding the released state is provided.

  According to this configuration, when the operation unit is pulled to manually release the locked state, the pulled state can be maintained by the manual release holding unit. Accordingly, the manual release state of the lock is maintained even if the hand is released from the operation means, and convenience is improved.

  According to the present invention, it is possible to provide a power feeding plug lock structure for a battery charging power receiving connector that can prevent unauthorized removal of a power feeding plug connected to the power receiving connector without permission.

The block diagram which shows the structure of a vehicle and a charging system. The longitudinal cross-sectional view which shows schematic structure of an electric power plug. The longitudinal cross-sectional view which shows schematic structure of an inlet part and a locking device. The permeation | transmission perspective view of the locking device provided in an inlet part. The side view which shows the structure of a locking device and the latching claw of an electric power feeding plug. The side view which shows a locking device when the latching nail | claw of an electric power plug is inserted. The side view which shows a locking device when the latching claw of an electric power plug is inserted. The side view which shows a locking device when the latching claw of a power supply plug is extracted in a locked state. The side view which shows a lock device when the latching claw of an electric power plug is extracted in an unlocked state. The side view which shows a locking device when the latching claw of an electric power plug is extracted in a lock manual release state. The side view which shows the structure of a locking device and the latching claw of an electric power feeding plug.

Hereinafter, an embodiment in which the present invention is embodied in a power receiving connector of a plug-in hybrid vehicle will be described with reference to FIGS.
As shown in FIG. 1, a hybrid vehicle 1 is provided with a hybrid system 3 that outputs a combination of driving forces of an engine and a motor as a driving source for driving wheels 2. The hybrid system 3 has a mode in which only the engine power is mechanically transmitted to the drive wheels 2, a mode in which power is generated by the engine power and a motor is driven, and the drive wheels 2 are directly driven by both the engine and the motor. The vehicle can be driven in various modes, ie, a driving mode and a mode in which only the motor is driven without using the engine.

  The hybrid system 3 is connected to a battery 4 that supplies electric power to the motor. The battery 4 can charge the battery 4 not only with the power generated by the engine power but also with the night power from an external power source 61 of the vehicle 1, for example, a household outlet. For this reason, the plug-in hybrid vehicle 1 can travel a longer distance than a conventional hybrid vehicle using only a motor, and the engine operation amount is reduced because it is not necessary to operate the engine for charging. It is possible.

  The vehicle 1 is equipped with an electronic key system capable of performing vehicle operations such as door locking / unlocking without the driver actually operating the vehicle key. In the electronic key system 70, an electronic key 80 capable of transmitting a key-specific ID code by wireless communication is used as a vehicle key. The electronic key system 70 transmits a request signal Srq from the vehicle 1 as an ID code reply request. When the electronic key 80 receives the request signal Srq, the electronic key 80 includes its own ID code in response to the request signal Srq. In this system, the ID code signal Sid is returned to the vehicle 1 by the narrow-band wireless communication, and when the ID code of the electronic key 80 matches the ID code of the vehicle 1, the door lock is unlocked or executed.

  The electronic key system 70 will be described below. The vehicle 1 is provided with a verification ECU (Electronic Control Unit) 71 as verification means for performing ID verification when performing narrow-area wireless communication with the electronic key 80. Yes. The verification ECU 71 includes an outside LF transmitter 72 embedded in each door of the vehicle 1 and capable of transmitting an LF (Low Frequency) band signal outside the vehicle, and an LF band radio signal embedded under the vehicle floor and the like inside the vehicle. An in-vehicle LF transmitter 73 capable of transmitting, and a UHF receiver 74 embedded in a vehicle body or the like behind the vehicle and capable of receiving a UHF (Ultra High Frequency) band radio signal are connected. The verification ECU 71 includes a memory 71a in which an ID code is stored as a unique key code.

  On the other hand, the electronic key 80 is provided with a communication control unit 81 as a control unit for performing wireless communication with the vehicle 1 according to the electronic key system 70. The communication control unit 81 includes a memory 81a in which an ID code is stored as a unique key code. The communication control unit 81 is connected to an LF receiving unit 82 capable of receiving an LF band signal transmitted externally and a UHF transmission unit 83 capable of transmitting a UHF band signal in accordance with a command from the communication control unit 81. Yes.

  The verification ECU 71 intermittently transmits an LF band request signal Srq from the outside LF transmitter 72 to form a communication area around the vehicle 1. When the electronic key 80 enters this communication area and receives the request signal Srq by the LF receiver 82, the electronic key 80 responds to the request signal Srq and includes the UHF including the ID code registered in its own memory 81a. A band ID code signal Sid is returned from the UHF transmitter 83. When the UHF receiver 74 receives the ID code signal Sid, the verification ECU 71 compares the ID code registered in its own memory 71a with the ID code of the electronic key 80 and performs ID verification (external vehicle verification). When the verification outside the vehicle is established, the verification ECU 71 permits or executes door locking / unlocking by a door lock device (not shown).

  When the verification ECU 71 recognizes that the driver has boarded by opening the door after the outside verification is established and the door lock is unlocked, the verification ECU 71 transmits a request signal Srq from the in-vehicle LF transmitter 73 in this time. An in-vehicle communication area is formed throughout. When the UHF receiver 74 receives the ID code signal Sid returned by the electronic key 80 entering the in-vehicle communication area, the verification ECU 71 receives the ID code registered in its own memory 71a and the ID code of the electronic key 80. In comparison, ID verification (in-vehicle verification) is performed. The verification ECU 71 permits the start of the hybrid system 3 when the in-vehicle verification is established.

  The plug-in hybrid vehicle 1 can charge the battery 4 by a plug-in vehicle battery charging system 60 shown in FIG. In this case, the charging system 60 is provided with a power supply plug 10 that charges the battery 4 of the vehicle 1 in, for example, a house or a desk lamp. The power supply plug 10 is connected to an AC (commercial power) 200 V as an external power supply 61 via the cable 12. The cable 12 is provided with a charge on / off switch 62 that is operated when charging is started.

  An inlet portion 20 is attached to the plug-in hybrid vehicle 1 as a connection destination of the power supply plug 10 in the vehicle 1. The inlet portion 20 is a connector part into which the power supply plug 10 is inserted, and is mounted on the front side surface of the vehicle body, for example, like a fueling port of a gasoline vehicle. The inlet unit 20 converts the AC voltage sent from the power supply plug 10 into a DC voltage by the converter 5 and sends it to the battery 4 of the vehicle 1 to charge the battery 4 with electric power. The inlet portion 20 can be charged when the power supply plug 10 is fitted to the inlet portion 20 and authentication of a key carried by the user is established. Here, the authentication of the key is performed by collating the ID code with the electronic key 80. The vehicle communication area is formed over the entire vehicle periphery, and the key inquiry from the vehicle 1 (transmission of the request signal Srq) is always executed as polling, so that the user can use the electronic key 80 before the inlet unit 20. ID collation is executed without any problem even if it is held.

  The charging system 60 can be charged on condition that the ID verification is established by the electronic key system 70 and the power plug 10 is connected to the inlet unit 20. In this case, the vehicle 1 is provided with a charging ECU 75 as a control means for performing control related to charging. The charging ECU 75 can communicate with the verification ECU 71 via a not-shown in-vehicle LAN (Local Area Network), and the verification ECU 71 can check the result of ID verification.

  Further, the charging ECU 75 is connected to a detection sensor 22 and a solenoid 36 as detection means provided in the lock device 30 of the inlet portion 20. The detection sensor 22 monitors whether or not the locking claw 16 is engaged with the engaging portion 21, and when detecting that the locking claw 16 is locked to the engaging portion 21, sends a detection signal to the charging ECU 75. Output. When the charging ECU 75 confirms that ID verification is established and that the locking claw 16 is engaged with the engaging portion 21, the charging ECU 75 switches the lock device 30 to the locked state and executes the charging operation.

  In addition, the charging system 60 can remove the power plug 10 from the inlet portion 20 on the condition that the ID verification is established by the electronic key system 70 and the removal switch 76 provided in the vehicle 1 is operated. To do. In this case, the vehicle 1 is provided with a removal switch 76 that is operated when removing the power supply plug 10, and an operation signal is output to the charging ECU 75 when operated. When the charging ECU 75 confirms that the ID verification is established and that the removal switch 76 is operated, the charging ECU 75 switches the lock device 30 to the unlocked state and permits the removal of the power supply plug 10. The verification ECU 71 permits the hybrid system 3 to start on the condition that the power supply plug 10 is removed from the inlet portion 20 and that the in-vehicle verification is established.

  As shown in FIG. 2, a cable 12 connected to an external power source 61 is connected to the base end 11 a of the main body 11 of the power supply plug 10. The main body 11 of the power supply plug 10 is formed with a grip portion 13 that is held by a user. A cylindrical fitting portion 14 to be fitted to the inlet portion 20 is provided at the tip 11 b of the main body 11 of the power supply plug 10. A plurality of connection terminals 15 that electrically connect the power supply plug 10 to the inlet portion 20 are provided inside the fitting portion 14. The connection terminal 15 includes a power terminal serving as a power transmission path, a control terminal serving as a communication path for various control commands, and the like.

  An engaging claw 16 is provided on the upper portion of the fitting portion 14 to hold the inserted state when the power supply plug 10 is inserted into the inlet portion 20. When the locking claw 16 is engaged with the inlet portion 20 (solid line in the figure), the locking claw 16 is in a state of holding the power plug 10 in the inlet portion 20 so that the locking claw 16 opens from the fitting portion 14. When the state of tilting in the direction (two-dot chain line in the figure) is taken, the power supply plug 10 can be removed from the inlet portion 20. The locking claw 16 is in a closed state in a normal state, and can be operated in an open state by pressing the operation portion 17 on the upper side of the grip portion 13 of the main body 11.

  As shown in FIG. 3, a connection terminal 29 is provided inside the inlet portion 20 as a connection destination of the connection terminal 15 provided in the fitting portion 14 of the power supply plug 10. The connection terminal 29 includes a power terminal serving as a power transmission path, a control terminal serving as a communication path for various control commands, and the like. On the outer peripheral surface upper portion 20 a of the inlet portion 20, an engaging portion 21 is formed that engages with the locking claw 16 of the power supply plug 10 and maintains the engagement state between the power supply plug 10 and the inlet portion 20. The engaging portion 21 includes an engaging convex portion 21b that engages the engaging claw 16 with an engaging space 21a in which the engaging claw 16 is inserted.

  As shown in FIGS. 4 and 5, a lock device 30 that switches between the locked state and the unlocked state of the locking claw 16 engaged with the engaging portion 21 is attached to the upper portion of the inlet portion 20. When the power supply plug 10 is connected to the inlet portion 20, the lock device 30 of this example takes the lock state unconditionally regardless of whether the ID verification by the key is established, for example, and switches to the unlock state by the key. It is a device that requires ID verification to be established. The locked state refers to a state where the locking claw 16 cannot be extracted from the engaging portion 21.

  The locking device 30 includes a main body case 31 as an outer frame that houses a group of components of the locking device 30. The main body case 31 is provided with a connection connector 40 that is electrically connected to the charging ECU 75.

  A rectangular parallelepiped lock bar 32 and a lock slider 34 are arranged close to each other in a rectangular parallelepiped housing portion 31a in the main body case 31, and are fitted so as to be linearly movable in the vertical direction (device height direction). Yes. The lock bar 32 is a component that locks the locking device 30 by being locked with the convex portion 18 of the locking claw 16. The lock slider 34 is a part that switches between locking and unlocking of the lock device 30 in cooperation with the lock bar 32 and can be moved together with the lock bar 32. The lock bar 32 corresponds to a restricting member, and the lock slider 34 corresponds to an auxiliary member that is a separate component from the restricting member. The accommodating portion 31a also functions as a guide when the lock bar 32 and the lock slider 34 move up and down.

  At the lower end of the lock bar 32, the portion where the convex portion 18 of the locking claw 16 abuts first when the locking claw 16 is inserted into the engagement portion 21 is directed from the entrance side to the back side of the engagement portion 21. An inclined surface 32a that is inclined downward is formed. Further, the lower end portion of the lock slider 34 has an entrance from the back side of the engaging portion 21 into a portion where the convex portion 18 of the locking claw 16 first contacts when the locking claw 16 is extracted from the engaging portion 21. An inclined surface 34a that is inclined downward toward the side is formed.

  Energizing springs 38 and 39 are attached to upper end portions 32b and 34b of the lock bar 32 and the lock slider 34 as urging means for urging them downward, in other words, toward the locking claw 16 side. The lock bar 32 and the lock slider 34 are fixed to the upper surface of the inner wall of the main body case 31 via biasing springs 38 and 39. Thereby, the lock bar 32 and the lock slider 34 always abut against the upper surface of the locking claw 16 engaged with the engagement portion 21 by the biasing springs 38 and 39.

  A cylindrical pin 35 protrudes from the side surface (front side of the paper) of the lock slider 34. In addition, a guide piece 33 is formed on the surface of the lock bar 32 facing the lock slider 34 so as to protrude below the pin 35 of the lock slider 34. The guide piece 33 and the pin 35 are configured such that when the lock bar 32 moves upward, in other words, moves away from the locking claw 16, the guide piece 33 comes into contact with the lower portion of the pin 35 and moves the lock slider 34 upward. It functions as a connecting mechanism for retreating. Here, the retracting movement refers to a movement in which the lock bar 32 and the lock slider 34 release the movement range of the locking claw 16 so that the locking claw 16 can be inserted into or extracted from the engaging portion 21.

  A solenoid 36 is provided on the upper portion of the lock bar 32. The solenoid 36 is capable of attracting metal by generating a magnetic field when an electric current is applied. A metal plate 37 is fixed to a portion of the lock slider 34 facing the solenoid 36 of the lock bar 32. Therefore, when a current is supplied to the solenoid 36, a magnetic field is generated from the solenoid 36 to attract the metal plate 37, and the lock bar 32 and the lock slider 34 can move together. Normally, the solenoid 36 is not supplied with power, and is supplied only when the removal switch 76 is operated in a state where the locking claw 16 is engaged with the engaging portion 21. The solenoid 36 and the metal plate 37 function as a coupling means for coupling the lock bar 32 and the lock slider 34. The solenoid 36 is an electric component.

  As shown in FIG. 5, the lower end of the front end of the locking claw 16 has a shape folded back to the near side (right side in FIG. 5). Further, a protrusion 18 that locks the lock bar 32 is formed on the top end of the locking claw 16 so as to protrude upward. The tip end side of the convex portion 18 is formed with a smooth slope. For this reason, when the lock bar 32 and the lock slider 34 come into contact with the insertion of the locking claw 16, the convex portion 18 moves the lock bar 32 and the lock slider 34 upward. On the other hand, a contact surface 18 a that contacts the lock bar 32 is formed on the rear end side of the convex portion 18. Further, a vertical contact surface 32 c that contacts the convex portion 18 is formed on the side surface of the lock bar 32 on the lock slider 34 side. For this reason, when the locking claw 16 is pulled to the outside of the engaging portion 21, the convex portion 18 is locked in contact with the lock bar 32, thereby restricting the extraction of the locking claw 16. The

  When the locking claw 16 is inserted into the engaging portion 21, when the lower surface 32d of the lock bar 32 comes into contact with the convex portion 18, the lock bar 32 is pushed upward. As the lock bar 32 is moved upward, the lock slider 34 is also moved upward by the guide piece 33 coming into contact with the pin 35 (see FIG. 6). That is, since the insertion of the locking claw 16 into the engaging portion 21 is allowed, the power supply plug 10 can be inserted all the way into the inlet portion 20.

  Further, when the locking claw 16 is pulled out from the engaging portion 21, when the lower surface 34c of the lock slider 34 comes into contact with the convex portion 18, the lock slider 34 is pushed upward. At this time, if the solenoid is not energized, only the lock slider 34 moves upward, and the lock bar 32 does not move upward (see FIG. 8). For this reason, even if it is going to pull out the latching claw 16 from the engaging part 21, the lock bar 32 contacts the convex part 18, and the latching claw 16 cannot be removed from the engaging part 21. That is, the state where the lock bar 32 is engaged with the convex portion 18 is maintained, and the state where the power supply plug 10 cannot be removed from the inlet portion 20 is maintained. On the other hand, if the solenoid 36 is in an unlocked state, the lock bar 32 moves upward together with the lock slider 34 (see FIG. 9). That is, the lock bar 32 is not locked to the convex portion 18, and the power supply plug 10 can be removed from the inlet portion 20.

  As shown in FIG. 1, the charging ECU 75 is provided with a locking / unlocking control unit 75 b that manages the operation of the locking device 30. The locking / unlocking control unit 75 b switches the operation of the locking device 30 by controlling the solenoid 36 based on the establishment of the ID verification and the input of the operation signal of the removal switch 76.

  As shown in FIG. 4, the lock device 30 is provided with a lock manual release mechanism 50 that allows the lock bar 32 to be manually released from the locked state. Specifically, one end of a wire 51 as an operation means is fixed to the upper end portion 32 b of the lock bar 32. The other end of the wire 51 is drawn out of the lock device 30 from a through hole 31 b formed in the main body case 31. In the case of this example, since one end of the wire 51 is disposed on the movement locus of the lock bar 32, the wire 51 can be installed without significantly changing the shape (size) of the lock device 30.

  The other end of the wire 51 is fitted into a through hole 52 a of a lock manual operation box 52 that is manually operated by a user, and is drawn into the lock manual operation box 52. A ring 53 is connected to the other end of the wire 51 in order to maintain the drawn state when the wire 51 is pulled out. The ring 53 is hooked and fixed to an L-shaped fixing portion 54 provided in the lock manual operation box 52 to maintain the wire 51 in a pulled state. Note that the ring 53 and the fixing portion 54 function as manual release holding means.

  The lock bar 32 is moved to the unlock position side when the wire 51 is pulled outside the lock device 30. For example, even if the lock bar 32 is in the locked position by the biasing spring 38, when the wire 51 is pulled, it is moved to the unlock position side. At this time, the urging spring 38 provided between the lock bar 32 and the main body case 31 is compressed. When the wire 51 is released, the lock bar 32 is moved to the lock position side by the urging force of the compressed urging spring 38. The wire 51 is installed via guides such as through holes 31b and 52a provided on the movement locus in accordance with the positional relationship between the lock device 30 and the lock manual operation box 52. The movement direction of the wire 51 can be changed by a guide.

  Here, since the lock manual operation box 52 is provided in the vehicle, it cannot be operated unless the user unlocks the door lock with the electronic key 80 and gets into the vehicle. That is, only the user of the vehicle 1 can perform this manual lock release.

Next, an operation performed when the battery 4 is charged by the power supply plug 10 and an operation of the lock device 30 will be described with reference to FIGS.
First, as shown by a two-dot chain line in FIG. 2, by pushing the operation portion 17, the latching claw 16 is opened to be separated from the fitting portion 14. Then, as shown in FIG. 6, the claw 16 is positioned so as to enter the engagement space 21 a of the engagement portion 21, and the power supply plug 10 is moved along the axial direction in that state. At this time, the tip inclined surface of the convex portion 18 of the locking claw 16 abuts on the inclined surface 32a of the lock bar 32, and when the locking claw 16 is pushed into the back side of the engaging portion 21 from this state, the convex portion 18 The lock bar 32 is pushed upward along the surface and retreats. As the lock bar 32 is retracted upward, the guide piece 33 comes into contact with the lower portion of the pin 35 and the lock slider 34 is moved upward to retract. At this time, the solenoid 36 is not supplied with power.

  When the power supply plug 10 is inserted all the way into the inlet portion 20, the connection terminal 15 on the power supply side and the connection terminal 29 of the inlet portion 20 are connected. When the power supply plug 10 is inserted, the protrusion 18 of the locking claw 16 is inserted into the engagement portion 21 while abutting against the lower end portions of the lock bar 32 and the lock slider 34. The lock bar 32 and the lock slider 34 gradually move downward while tracing the upper surface of the latching claw 16 by the biasing force of the biasing springs 38 and 39 as the projection 18 of the latching claw 16 moves to the back side. Moving. And the latching claw 16 is located above the engaging convex part 21b of the engaging part 21. FIG.

  Then, as shown in FIG. 7, when the hand is released from the operation portion 17 in this state, the locking claw 16 moves to close, and the locking claw 16 engages with the engaging convex portion 21 b. At this time, the locking claw 16 is pressed from above by the lock bar 32 and the lock slider 34 and cannot be displaced from the engaged state, that is, is in the locked state. The power supply plug 10 is locked with the inlet portion 20.

  At this time, when the detection sensor 22 detects that the locking claw 16 is engaged with the engagement convex portion 21b, the detection sensor 22 outputs a detection signal to the charging ECU 75. When the detection signal is input from the detection sensor 22, the charging ECU 75 sets a locking claw detection flag in the memory 75a. When the charging ECU 75 confirms that the ID verification establishment flag is set in the memory 75a and the locking claw detection flag is set, the charging ECU 75 maintains the non-power-supply state of the solenoid 36. When the charging on / off switch 62 is turned on in this locked state, a current is supplied from the power supply plug 10 to the inlet portion 20 and charging of the battery 4 is started.

  Here, as shown in FIG. 8, when the locking claw 16 is in the locked state, for example, a third party or the like pushes the operating portion 17 to forcefully remove the power plug 10 from the inlet portion 20. Thus, it is assumed that the forcible pulling-out operation is performed with the locking claw 16 opened. In this case, when the locking claw 16 is pulled out to the outside of the engaging portion 21, the contact surface 18 a of the convex portion 18 of the locking claw 16 comes into contact with the inclined surface 34 a of the lock slider 34, and then the convex portion 18. The lock slider 34 is pushed upward along the surface and retreats.

  At this time, since the solenoid 36 is in a non-powered state, the lock bar 32 does not move with the lock slider 34. Therefore, when the locking claw 16 is pulled out, the lower surface 32d of the lock bar 32 is pushed up slightly by the rear end inclined surface 18b of the locking claw 16, but it completely moves to the unlock position. Instead, the contact surface 18a of the convex portion 18 and the contact surface 32c of the lock bar 32 are locked. At this time, as shown in the enlarged view of FIG. 8, the contact surface 18 a of the protrusion 18 and the contact surface of the lock bar 32 in a state where the tip end side of the protrusion 18 is in contact with the vertical contact surface 32 c of the lock bar 32. The contact surface 18a of the convex portion 18 is formed so that the contact angle θ formed by 32c is 0 ° or more and 45 ° or less. That is, if the contact angle θ is 0 ° or more and 45 ° or less, when the convex portion 18 of the locking claw 16 comes into contact with the lock bar 32, the locking claw 16 does not push up the lower surface 32d of the lock bar 32 and The extraction of the nail 16 can be restricted. Therefore, even if the locking claw 16 is to be pulled out of the engaging portion 21, the protruding portion 18 of the locking claw 16 comes into contact with the lock bar 32 and the locking claw 16 is restricted from being pulled out. As a result, even if the power plug 10 is forcibly pulled out, the connection of the power plug 10 is maintained, and unauthorized removal of the power plug 10 is prevented.

  On the other hand, when the charging of the battery 4 is completed, the process moves to the operation of removing the power supply plug 10 from the inlet portion 20 and the user operates the removal switch 76. When the removal switch 76 detects that it has been pushed, it outputs an operation signal to the charging ECU 75. When the operation signal is input from the removal switch 76, the charging ECU 75 sets a removal operation flag in the memory 75a. When the flag for establishing ID verification and the flag for removal operation are set, the charging ECU 75 supplies power to the solenoid 36 until the power plug 10 is removed from the inlet portion 20, and the lock bar 32 and the lock slider 34 are coupled to each other to unlock the charge ECU 75. Let me.

  Then, as shown in FIG. 9, it is assumed that the pulling operation is performed with the locking claw 16 opened by pushing the operation unit 17. Then, the rear end slope of the convex portion 18 of the locking claw 16 comes into contact with the inclined surface 34 a of the lock slider 34, and the locking claw 16 is pulled out to the outside of the engaging portion 21. The lock slider 34 is pushed upward along the surface and retreats. At this time, since the solenoid 36 is in a power supply state, the lock bar 32 moves together with the lock slider 34 and moves upward. For this reason, the latching claw 16 is pulled out to the outside of the engaging portion 21 without being restricted by the lock bar 32. As a result, the power supply plug 10 can be removed from the inlet portion 20.

  Incidentally, for example, in the locked state shown in FIG. 7, when the lock bar 32 is displaced to the unlock position, the solenoid 36, the charging ECU 75, etc. cannot switch the lock bar 32 from the locked state to the unlocked state due to some abnormality. Is also envisaged. In such an abnormality, the locking device 30 is not released regardless of how many times the removal switch 76 is pressed, and the locking claw 16 cannot be removed from the engaging portion 21, so that the power supply plug 10 cannot be pulled out from the inlet portion 20.

  However, in the lock device 30 of the present embodiment, the wire 51 that can manually operate the lock bar 32 is fixed to the upper end portion 32 b of the lock bar 32. Therefore, when the locking device 30 is abnormal, the user establishes collation with the electronic key 80 to unlock the door lock, and after getting on, the user opens the lock manual operation box 52 and grips and pulls the internal ring 53. The operation is performed and the ring 53 is hooked on the fixing portion 54. As a result, the lock bar 32 moves away from the engaging portion 21 against the urging force of the urging spring 38. As the lock bar 32 is retracted, the guide piece 33 comes into contact with the lower portion of the pin 35 and the lock slider 34 is retracted upward. Therefore, the lock device 30 changes from the locked state to the unlocked state.

  Then, as shown in FIG. 10, when the user hooks the ring 53 on the fixing portion 54 in the lock manual operation box 52, the wire 51 is maintained in the pulled state, so that the lock bar 32 remains in the retracted state. Can be maintained.

  Therefore, even if the lock device 30 is in a locked state and fails, the lock device 30 can be unlocked by a manual operation, so that the power supply plug 10 can be removed from the inlet portion 20. For this reason, since the engine start is permitted, if the key verification is completed in the vehicle, the hybrid system 3 is started by pressing the start switch, and the vehicle 1 can be carried to a dealer or the like for repair of the lock device 30. It becomes possible.

  In this embodiment, when the power supply plug 10 is inserted into the inlet portion 20 and the engaging claw 16 is engaged with the engaging convex portion 21b, the lock bar 32 is positioned on the upper surface of the engaging claw 16 and the engaging claw 16 is engaged. It can be in a state where the pawl 16 cannot be removed. For this reason, the third party cannot arbitrarily remove the power plug 10 from the inlet portion 20, and the power plug 10 can be prevented from being stolen. Further, when the locking claw 16 is inserted into the engaging portion 21, the lock bar 32 is pushed up by the convex portion 18 of the locking claw 16, and when the locking claw 16 is inserted into the back, the biasing spring 38. Is pushed down and locked. For this reason, the latching claw 16 can be locked without power supply by simply inserting the power supply plug 10 into the inlet portion 20, and control of the drive member is not required.

  When the lock bar 32 cannot be retracted due to some abnormality such as the solenoid 36 or the charging ECU 75, the lock bar 32 is retracted by the user manually pulling the wire 51 by the lock manual release mechanism 50. Can do. Therefore, even if the lock bar 32 cannot be retracted due to some abnormality such as the solenoid 36 or the charging ECU 75, the lock bar 32 can be moved manually, and the locked state of the locking claw 16 can be released.

As described above, according to the embodiment described above, the following effects can be obtained.
(1) Since the locking device 30 is provided in the inlet portion 20, it is possible to prevent the power supply plug 10 connected to the inlet portion 20 from being unintentionally removed from the inlet portion 20 by a third party. Further, only when the locking claw 16 is extracted from the engaging portion 21, power is supplied to the solenoid 36. When the lock bar 32 is set in the locked state, power supply is not required, so that power consumption can be suppressed as much as possible.

  (2) When the locking device 30 is in the locked state, it is pressed by the urging spring 38 and the lock bar 32 is locked with the convex portion 18 of the locking claw 16. For this reason, since the lock bar 32 is firmly engaged with the engagement claw 16, these can be more firmly locked.

  (3) The wire 51 is connected to the lock bar 32. For this reason, even if the solenoid 36 or the like falls into an abnormal state and the lock bar 32 cannot be driven, the user can move the lock bar 32 to the unlock position by manually pulling the wire 51.

  (4) Since the fixing portion 54 for locking the ring 53 of the wire 51 is provided on the wall in the vehicle, if the ring 53 is locked to the fixing portion 54 when the wire 51 is pulled, the wire 51 is pulled. Maintained. For this reason, since the manual release state of the lock device 30 can be maintained, the release state is maintained even if the hand is released, and convenience is improved.

  (5) Since the operation means is the wire 51, the wire 51 can be pulled in easily by using guides such as the through holes 31 b and 52 a. Therefore, since the installation location is flexible, the wire 51 can be easily installed.

  (6) Since the lock manual operation box 52 of the lock manual release mechanism 50 is provided in the vehicle, even if a third party attempts to manually release the lock device 30 illegally, the third party cannot get into the vehicle. It is unlikely that the lock device 30 is manually released by a third party. Therefore, it is possible to make it difficult for unauthorized manual release of the lock device 30 to occur.

  (7) The lock bar 32 is displaced to the locked position on condition that the key collation using the electronic key 80 is established, as well as whether the locking claw 16 of the power supply plug 10 is engaged with the engaging convex portion 21b. Run. For this reason, since it is not necessary to perform arbitrary charging by a third party, for example, security can be enhanced.

In addition, the said embodiment can be implemented with the following forms which changed this suitably.
In the above embodiment, the protrusion 18 protruding from the upper surface of the locking claw 16 is provided. However, as shown in FIG. 11, a step 19 is formed by forming a recess 19 on the upper surface of the locking claw 16. It is good also as a convex part. That is, the recess 19 is formed in a size that allows the lock bar 32 and the lock slider 34 to be fitted on the upper portion of the locking claw 16. When the locking claw 16 is engaged with the engaging convex portion 21b, the lock bar 32 and the lock slider 34 urged by the urging springs 38 and 39 are brought into contact with and fitted into the concave portion 19. When the locking claw 16 is illegally pulled out by a third party, the contact surface 19a of the recess 19 is regulated and locked to the contact surface 32c of the lock bar 32. In this way, since the tip of the lock bar 32 is hidden in the recess 19, it is difficult for a third party to illegally lift the lock bar 32 from the outside, and unauthorized release of the locked state by the third party can be prevented.

  In the above embodiment, the lock bar 32 and the lock slider 34 are always in contact with the upper surface of the locking claw 16, but when the locking claw 16 is pulled out from the engaging portion 21, the protrusion of the locking claw 16 It is sufficient that the lock bar 32 and the lock slider 34 protrude toward the locking claw 16 to the locking claw 16 side to the extent that 18 is locked to the lock bar 32.

  In the above embodiment, the solenoid 36 is provided on the lock bar 32 as the coupling means, and the metal plate 37 is provided on the lock slider 34. Conversely, the solenoid 36 is provided on the lock slider 34, and the metal plate 37 is provided on the lock bar 32. May be provided.

  In the above configuration, when the coupling means is a component that is electrically driven, this is not limited to a solenoid, and for example, a motor or the like may be used as a drive source to set whether or not two components are coupled.

  In the above embodiment, the coupling means is the solenoid 36 and the metal plate 37. However, for example, this may be a mechanical mechanism. That is, when the user operates an operation member such as a lever, the lock bar 32 and the lock slider 34 may be coupled via a link.

  In the above embodiment, the guide piece 33 is provided on the lock bar 32 and the pin 35 is provided on the lock slider 34 as a coupling mechanism. Conversely, the guide piece 33 is provided on the lock slider 34 and the pin 35 is provided on the lock bar 32. And the pin 35 may push up the guide piece 33.

In the above embodiment, the coupling mechanism is the guide piece 33 and the pin 35, but the members provided on the lock bar 32 and the lock slider 34 are not limited to these.
In the above configuration, the lock bar 32 and the lock slider 34 are not limited to those that move relative to each other in a parallel direction. For example, these movement directions may be orthogonal.

In the above embodiment, the locking claw 16 is provided on the upper portion of the fitting portion 14 of the power plug 10, but the locking claw may be provided on the upper and lower sides of the fitting portion 14 as well as on one side. Good.
In the above-described embodiment, the start condition for releasing the lock state of the lock device 30 is not necessarily limited to the operation of the removal switch 76 when the ID verification is established. For example, the connection is automatically established when the battery 4 is fully charged. The state may be canceled.

In the above embodiment, the key authentication is performed by ID verification using the electronic key 80, but may be performed by mechanical verification using a mechanical key.
In the above embodiment, the electronic key system 70 may employ, for example, an immobilizer system that uses a transponder as an ID code source.

  In the above embodiment, the frequency of the radio wave used in the electronic key system 70 is not necessarily limited to LF or UHF, and other frequencies can be used. Further, the frequency when radio waves are transmitted from the vehicle 1 to the electronic key 80 and the frequency when radio waves are returned from the electronic key 80 to the vehicle 1 are not necessarily limited to different ones, and these may be the same frequency.

In the above embodiment, user authentication is not necessarily limited to key authentication using the electronic key 80, and other authentication such as biometric authentication may be applied.
In the above embodiment, the present invention is applied to the inlet portion 20 of the plug-in hybrid type vehicle 1, but the present invention is not limited to the plug-in hybrid type vehicle and may be applied to an inlet portion of an electric vehicle.

  -In above-mentioned embodiment, if the locking device 30 of this example is not necessarily applied only to the vehicle 1, if the apparatus and apparatus which have a rechargeable battery are used, the employer will not be specifically limited.

Next, a technical idea that can be grasped from the above embodiment will be described together with its effects.
(A) The power supply plug lock structure of the battery charging power receiving connector according to any one of claims 1 to 5 , wherein the coupling means is an electric component driven by electricity.

According to this configuration, since the coupling means is an electric component, it can be easily driven by the presence or absence of power supply.
(B) The battery charging according to any one of claims 1 to 5 and (a), wherein the auxiliary member is formed with an inclined surface that allows the protrusion to be pushed up by the convex portion of the locking claw. Power supply plug lock structure for power receiving connector.

According to this configuration, since the inclined surface is formed on the auxiliary member, when the locking claw is inserted into the engaging portion, it is easily pushed up by the convex portion of the locking claw.
(C) The power supply plug lock device for the battery charging power receiving connector according to claim 4 or 5 , wherein the operation means is a wire whose movement direction can be changed by a guide provided on a movement locus thereof. The power supply plug lock structure of the battery charging power receiving connector.

  According to this configuration, since the operating means is a wire whose movement direction can be changed by a guide, it is easy to handle when it is pulled out from the locking device and manually pulled to a place where it is manually operated, and it is operated at a position away from the locking device. Even in such a case, the operation means can be easily installed.

  DESCRIPTION OF SYMBOLS 1 ... Vehicle, 2 ... Drive wheel, 3 ... Hybrid system, 4 ... Battery, 10 ... Power supply plug, 11 ... Main body, 12 ... Cable, 13 ... Grip part, 14 ... Insertion part, 15 ... Connection terminal, 16 ... Engagement Stopper claw, 17 ... operation part, 18 ... convex part as engagement part, 18a ... contact surface, 18b ... rear end slope, 20 ... inlet part as power receiving connector, 21 ... engagement part, 22 ... detection sensor, 29 DESCRIPTION OF SYMBOLS ... Connection terminal, 30 ... Locking device, 31 ... Main body case, 32 ... Lock bar as a regulating member, 32a ... Inclined surface, 32b ... Upper end part, 32c ... Contact surface, 32d ... Lower surface, 33 ... Guide piece, 34 ... Auxiliary Lock slider as member, 34a ... inclined surface, 34b ... upper end, 34c ... lower surface, 35 ... pin, 36 ... solenoid as coupling means, 37 ... metal plate as engagement means, 38, 39 ... biasing means , Biasing spring, 40 ... connecting connector, 50 ... locking means release mechanism, 51 ... wire, 52 ... lock manual operation box, 53 ... ring, 54 ... fixing part, 60 ... charging system, 61 ... external power source, 62 ... Charge on / off switch, 70 ... Electronic key system, 71 ... Verification ECU, 72 ... Outside LF transmitter, 73 ... In-vehicle LF transmitter, 74 ... UHF receiver, 75 ... Charge ECU as control means, 75b ... Locking / unlocking control unit , 76 ... Detachment switch, 80 ... Electronic key, 81 ... Communication control unit, 82 ... LF reception unit, 83 ... UHF transmission unit, θ ... Contact angle.

Claims (5)

When the power supply plug is connected to the insertion slot, the power supply plug is locked by the locking claw of the power supply plug, and the battery is charged with the power from the power supply plug.
When inserting the locking claw, it is pushed by the locking claw and retreats to allow the insertion of the locking claw, and when the locking claw is extracted, the protrusion formed on the locking claw A regulating member capable of regulating the withdrawal of the latching claw by locking the part;
An auxiliary member that is formed as a separate component from the restricting member, and that allows the engaging pawl to be inserted by moving together with the restricting member via a mechanical coupling mechanism when the engaging pawl is inserted. ,
A coupling means for allowing the locking claw to be extracted by integrally connecting the restricting member and the auxiliary member when the locking claw is extracted ;
A battery charging power receiving connector comprising: a control unit configured to set whether or not the locking claw to be locked can be pulled out by operating the coupling unit based on a verification result of a user verification ; Power supply plug lock structure. In the power supply plug lock structure of the power receiving connector for battery charging according to claim 1,
A power supply plug lock structure for a battery charging power receiving connector, comprising biasing means for biasing the regulating member toward the locking claw in a state where the locking claw is locked to the insertion port. In the power feeding plug lock structure of the battery charging power receiving connector according to claim 1 or 2,
The locking claw is formed with a recess in which the restricting member and the auxiliary member are fitted in a state where the locking claw is locked in the insertion port, and the step can be formed by forming the recess. Is used as the convex portion. A power feeding plug lock structure for a battery charging power receiving connector. In the feed plug lock structure of the power receiving connector for battery charging according to any one of claims 1 to 3 ,
A manual release mechanism is provided that manually pulls the operating means connected to the restricting member so that the restricting member is separated from the engaging claw and the restriction of the engaging claw can be manually released. The power supply plug lock structure of the battery charging power receiving connector. In the power feeding plug lock structure of the battery charging power receiving connector according to claim 4 ,
The power supply plug lock of the battery charging power receiving connector is characterized by comprising manual release holding means for holding a state in which the restriction of the locking claw is manually released by maintaining the operation means in a pulled state. Construction.

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