JP5756901B2 - Charge control system - Google Patents

Description

  The present invention relates to a charge control system.

  Conventionally, there is a charging system as disclosed in Patent Document 1 as a charging system in which power supply from a charging power source to an electric vehicle is limited to only a specific person. This charging system uses an electronic lock provided at the entrance of a residence or an electronic portable key used for a keyless entry system of an electric vehicle, and an authentication unit is provided in the vicinity of an outlet unit to which a charging cable for the electric vehicle is connected. Once installed and successfully authenticated with an electronic portable key, power supply from the outlet to the electric vehicle is started.

JP 2010-154712 A

  In the conventional charging system described above, it is necessary to provide an authentication unit for permitting charging of the electric vehicle in the vicinity of the outlet unit to which the charging cable is connected, and it is necessary to secure an installation space for the authentication unit. There was a problem. Further, when charging the electric vehicle, the user has to go to the authentication unit installed near the outlet unit with the electronic portable key, which is not easy to use.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a charge control system that can reduce the possibility of power theft without providing a dedicated authentication unit.

In order to solve the above problems, the charge control system of the present application includes an electric lock system and a charge control device. The electric lock system includes an authentication unit that locks and unlocks the door, and an authentication unit that performs authentication based on authentication information input by a user and locks or unlocks the electric lock when authentication is established. The charge control device controls power feeding to the power storage device provided in the electric vehicle . The charging control device is characterized in that power supply to the power storage device is started when authentication information for notifying establishment of authentication is input from the electric lock system while being electrically connected to the power storage device included in the electric vehicle. To do.

  According to the present invention, the authentication unit of the electric lock system performs authentication based on the authentication information input by the user, and when the authentication is established, the charge control device can charge the power storage device of the electric vehicle. The possibility that the electric vehicle is charged by a user other than the registered user can be reduced. In addition, since the authentication unit of the electric lock system is used for authentication when charging the electric vehicle, the charge control system reduces the possibility of power theft without providing a new authentication unit for authentication during charging. Can be provided.

It is a block diagram of the charge control system of Embodiment 1. It is a schematic system block diagram same as the above. It is a sequence diagram explaining operation | movement same as the above. It is explanatory drawing which showed the usage pattern same as the above. It is a block diagram of the charge control system of Embodiment 2. It is a sequence diagram explaining operation | movement same as the above. The wall-mounted charging control apparatus is shown, wherein (a) is a front view and (b) is a side view.

  Hereinafter, an embodiment of a charge control system will be described with reference to the drawings.

(Embodiment 1)
The charge control system of this embodiment is demonstrated with reference to FIGS. This charge control system is applied to a detached house 100 as shown in FIG. 2, and includes an electric lock system 1 and a charge control device 7 as main components. In addition, although the form which applied the charge control system to the detached house is demonstrated below, it cannot be overemphasized that you may apply to an apartment house, a business establishment, etc.

  The electric lock system 1 includes an electric lock 2, a main device 3, operation terminals 4 and 5, and a non-contact type IC card 6 as main components.

  The electric lock 2 is provided at the entrance door 101 of the house 100 and is driven by the main device 3 to lock or unlock the entrance door 101 by causing a dead bolt (not shown) to enter or exit the strike on the door frame side. It is something to lock.

  The main device 3 includes an operation unit 31, a notification unit 32, a communication unit 33, a key drive unit 34, and a main control unit 35, and is installed inside the house 100.

  The operation unit 31 includes a switch operated by a user in the house (for example, a resident of the house 100), and outputs a signal corresponding to the user operation to the main control unit 35. Further, the operation unit 31 monitors input from a contact device (not shown), and outputs to the main control unit 35 when there is a contact input.

  The notification unit 32 includes a display lamp such as a light emitting diode, a speaker, and the like, and performs a notification operation according to a signal from the main control unit 35.

  The communication unit 33 is connected to the operation terminals 4 and 5 and the charge control device 7 via a communication line, and communicates with the operation terminals 4 and 5 or the charge control device 7. The main device 3 communicates with the operation terminals 4 and 5 and the charging control device 7 by, for example, a power line carrier communication method using a power line, but performs wired communication through a dedicated communication line. Alternatively, wireless communication such as specific low power wireless communication may be used.

  The key driving unit 34 switches the open / close state of the electric lock 2 in accordance with a control signal from the main control unit 35.

  The main control unit 35 is configured by a microcomputer, for example, and controls the overall operation of the main device 3 such as authentication processing and opening / closing control processing of the electric lock 2.

  The operation terminals 4 and 5 are arranged outside the house 100 and in the vicinity of the entrance door 101 so that the user (eg, a resident of the house 100) performs a locking operation when the user goes out, or the user goes out Used to perform unlocking operation when returning from home.

  The operation terminal 4 is a terminal for the user to directly input information (authentication information) used for authentication, and includes an operation unit 41, a notification unit 42, a communication unit 43, and a control unit 44. The operation unit 41 includes, for example, a numeric keypad and is used for a user to input authentication information (for example, a password). The notification unit 42 includes a display lamp such as a light emitting diode, a speaker, and the like, and notifies the operation status of the operation terminal 4 and the result of authentication. The communication unit 43 communicates with the main device 3 via a communication line. The control unit 44 is configured by a microcomputer, for example, and controls the operation of each unit (the operation unit 41, the notification unit 42, and the communication unit 43).

  The operation terminal 5 is a terminal for a user to input information used for authentication (authentication information) in a non-contact manner, and includes an operation unit 51, a wireless interface (wireless IF) 52, a notification unit 53, a communication unit 54, and a control unit 55. With. The operation unit 51 includes a switch operated by a user and outputs a signal corresponding to the operation to the control unit 55. The wireless interface 52 performs wireless communication with the contactless IC card 6 possessed by the user, reads authentication information stored in advance in the contactless IC card 6, and outputs the authentication information to the control unit 55. The notification unit 53 includes a display lamp such as a light emitting diode, a speaker, and the like, and notifies the operation status of the operation terminal 5 and the result of authentication. The communication unit 54 communicates with the main device 3 via a communication line. The control part 55 is comprised, for example with a microcomputer, and controls operation | movement of each part (The operation part 51, the radio | wireless interface 52, the alerting | reporting part 53, the communication part 54).

  The charging control device 7 is a portable device that is used by being connected to an outlet 90 provided on the outer wall of the house 100, and supplies power from the power source (for example, commercial AC power source) to the power storage device 201 included in the electric vehicle 200. Is to control. The electric vehicle 200 includes, for example, an electric vehicle (EV) that includes only an electric motor as a power source, a hybrid vehicle (HEV) that uses both an engine and an electric motor as a power source, and a plug-in hybrid vehicle (PHEV). The electric vehicle 200 includes a secondary battery made of, for example, a lithium ion secondary battery as a power source for driving the electric motor, and a charging circuit that charges the secondary battery. The power storage device 201 is configured by the secondary battery and the charging circuit. Has been.

  As shown in FIG. 4, the charging control device 7 includes a rectangular parallelepiped main body 70 that is formed to a size that can be carried by a person. A power cable CB1 connected to the power supply side is led out from one longitudinal side of the main body 70, and a power cable CB2 connected to the electric vehicle 200 side is led from the other longitudinal end. The power supply cable CB1 is composed of two electric wires for voltage electrodes and a grounding wire, and a plug P1 that is plugged into a power outlet 90, 90a, 90b is connected to the tip of the power supply cable CB1. Power supply cable CB2 is composed of two electric wires for voltage electrodes, a grounding wire, and a signal line for transmitting and receiving signals between power storage devices 201, and provided at electric vehicle 200 at the tip thereof. A power supply plug P2 that is detachably connected to the power receiving socket 202 is provided. Here, the power supply path from the external power source to the electric vehicle 200 is configured by the two electric wires of the voltage electrode included in the power cables CB1 and CB2.

  As shown in FIG. 1, the charging control device 7 includes a control circuit 71, an operation unit 72, a notification unit 73, a communication unit 74, a relay 75, and a zero-phase current transformer (ZCT) 76 as main components. Is housed in the main body 70 described above.

  The operation unit 72 includes, for example, a plurality of switches (not shown) provided with operation parts on the surface of the main body 70, and the like according to an operation input such as a start operation or a stop operation for charging the electric vehicle 200. Then, an operation signal is output to the control circuit 71.

  The notification unit 73 is controlled by the control circuit 71 to notify the state of charge of the electric vehicle 200 and the like. The notification unit 73 is configured by a display lamp such as a light emitting diode or a speaker, for example, and notifies the user with sound or light.

  The communication unit 74 is connected to the main device 3 of the electric lock system 1 via a communication line, and communicates with the main device 3.

  Relay 75 has a relay contact inserted in a power feeding path between an external power supply and power storage device 201 of electric vehicle 200, and switches the relay contact on / off in accordance with a control signal from control circuit 71. The power supply path from the external power source to the power storage device 201 is opened and closed.

  The zero-phase current transformer 76 is provided to detect an unbalanced current that is generated when electric leakage occurs on the electric vehicle 200 side, and the output signal of the zero-phase current transformer 76 is input to the control circuit 71.

  The control circuit 71 includes, for example, a microcomputer as a constituent element, and comprehensively controls each unit of the charge control device 7. The control circuit 71 controls the opening and closing of the relay 75 based on a signal input from the power storage device 201 of the electric vehicle 200 via the power cable CB2 and an operation input from the operation unit 72, so that the power storage device 201 from the external power source. Turns on / off the power supply. When the control circuit 71 detects the occurrence of an unbalanced current based on the detection output of the zero-phase current transformer 76, the control circuit 71 determines that a leakage has occurred on the electric vehicle 200 side and opens the relay 75 to open the electric vehicle. By cutting off the power supply to 200, the leakage protection operation is performed. Note that when the leakage protection operation is performed, the control circuit 71 causes the notification unit 73 to notify that a leakage has occurred.

  Next, an operation in the case where the user who got home after riding the electric vehicle 200 charges the electric vehicle 200 by the charge control system of the present embodiment will be described based on the sequence diagram of FIG. In the initial state, the relay 75 of the charging control device 7 is open, and the control circuit 71 notifies the charging stop state by the notification unit 73. When the user who has returned home from the outside charges the electric vehicle 200, the user connects the plug P1 of the charging control device 7 to the outlet 90, and connects the power supply plug P2 to the socket 202 of the electric vehicle 200. The charging start operation is performed using the unit 72 (S1 in FIG. 3). At this time, a signal corresponding to the charging start operation is output from the operation unit 72 to the control circuit 71 (S2), but the control circuit 71 has authentication information for notifying the establishment of authentication from the main device 3 of the electric lock system 1. Since it has not been input, the relay 75 is not closed and the authentication information is waited for input (S3). That is, the electric lock system 1 remains in a state where the user performs a locking operation when going out, and in this state, the charge control device 7 does not start charging. Therefore, even if a person other than the person who is permitted to charge by this charging control system connects the electric vehicle to the outlet 90 without permission, the electric vehicle is not charged and the possibility of theft being generated can be reduced. .

Thereafter, when the user who has returned home performs a predetermined unlocking operation (for example, input of a personal identification number using a numeric keypad) using the operation unit 41 of the operation terminal 4 (S4), the control unit 44 determines the input personal identification number as follows. Transmission is performed from the communication unit 43 to the main device 3 (S5). When the communication unit 33 of the main apparatus 3 receives the password transmitted from the operation terminal 4, the main control unit 35 uses the password registered by the communication unit 33 in advance in a memory (not shown). Authentication is performed by checking the number (S6). If the authentication is successful as a result of the authentication in S6, the main control unit 35 outputs an unlocking command to the key driving unit 34 (S7), and unlocks the electric lock 2 (S8). When the main control unit 35 determines that the authentication is established in the authentication process of S6, the main control unit 35 determines to output the authentication information notifying the establishment of the authentication to the charge control device 7 (S9), and the communication control unit 33 sends the authentication information. The authentication information is sent to (S10).

  When the communication unit 74 of the charging control device 7 receives the authentication information transmitted from the main device 3, the control circuit 71 determines to start charging based on the authentication information received by the communication unit 74 (S11). The relay 75 is closed and power supply to the power storage device 201 is started (S12). Further, the control circuit 71 drives the notification unit 73 to notify the start of charging (S13).

  As described above, the charge control system of this embodiment includes the electric lock system 1 and the charge control device 7. The electric lock system 1 performs authentication based on the electric lock 2 that locks and unlocks the door 101 provided at the entrance and the authentication information input from the user, and locks the electric lock 2 when the authentication is established. Or the authentication part (main apparatus 3 of this embodiment) to unlock is provided. The charging control device 7 controls power feeding to the power storage device 201 included in the electric vehicle 200. The charging control device 7 receives the authentication information from the electric lock system 1 and notifies the establishment of the authentication. Power supply to 201 is permitted.

  Thereby, in the state where the authentication by the electric lock system 1 is not established, the charging control device 7 stops the power supply to the power storage device 201 of the electric vehicle 200, so that the electric vehicle 200 is not a user registered in advance. The possibility of being charged can be reduced. And since the authentication part of the electric lock system 1 is utilized for the authentication at the time of charging the electric vehicle 200, the charge which reduced the possibility of theft of electricity without newly providing an authentication part for the authentication at the time of charge. A control system can be provided.

  In the present embodiment, when the charging control device 7 is electrically connected to the power storage device 201 included in the electric vehicle 200 and authentication information for notifying the establishment of authentication is input from the electric lock system 1, the electric vehicle Power supply to the power storage device 201 is started.

  Thereby, when the resident of the house 100 gets on the electric vehicle 200 and returns home, after connecting the charging control device 7 to the electric vehicle 200, the operation terminal 4 or the operation terminal 5 is used to unlock the entrance door 101. If it authenticates using, the electric power feeding from the charging control apparatus 7 to the electric vehicle 200 will be started. Therefore, since charging is started only by performing authentication for unlocking the front door 101, an authentication procedure for starting charging is unnecessary, and usability is improved.

In the present embodiment, a method of inputting a personal identification number or an authentication using the non-contact type IC card 6 is exemplified as an authentication method by the electric lock system 1, but it is not limited to a specific authentication method. For example, biometric authentication using biological information such as fingerprints, irises, and voiceprints may be used.
The charge control system includes an electric lock system and a charge control device. The electric lock system includes an authentication unit that locks and unlocks the door, and an authentication unit that performs authentication based on authentication information input by a user and locks or unlocks the electric lock when authentication is established. The charge control device controls power feeding to the power storage device included in the electric vehicle, and is characterized by permitting power feeding to the power storage device when authentication information notifying establishment of authentication is input from the electric lock system. To do.

(Embodiment 2)
The charge control system of this embodiment is demonstrated with reference to FIGS. In addition, the same code | symbol is attached | subjected to the component which is common in Embodiment 1, and the description is abbreviate | omitted.

  In the first embodiment, the charging control device 7 is portable. However, in the present embodiment, as shown in FIGS. 7A and 7B, the charging control device 7 is a wall-mounted type installed on the outer wall 103 of the house 100. The charging control device 7 includes a vertically long body 80 attached to the outer wall 103, and a storage part 81 that is open to the front side and the lower side is provided at the lower part of the body 80. Are provided with horizontal bars 82 whose left and right ends are fixed to the inner wall of the storage portion 81. The power supply plug P2 detachably connected to the socket 202 of the electric vehicle 200 is provided with a hook 83 for hooking on the horizontal bar 82. By hooking the hook 83 on the horizontal bar 82, the power supply plug P2 is placed in the storage portion 81. Is held in a suspended state. A plurality of operation buttons 72 a constituting the operation unit 72 and a plurality of display lamps 73 a and a speaker 73 b constituting the notification unit 73 are disposed on the front surface of the body 80.

  FIG. 5 is a block diagram of the present embodiment, and the charge control device 7 includes a lock unit 77 (holding unit) and a key drive unit 78 (switching unit) in addition to the configuration described in the first embodiment.

  The lock portion 77 (holding portion) holds the power supply plug P2 in a state where it cannot be connected to the electric vehicle. A dead bolt (not shown) provided on the inner wall of the storage portion 81 so as to advance and retreat, and a dead bolt are provided. And an electric motor (not shown) for driving. The dead bolt engages with the engaged portion of the power supply plug P2 stored in the storage unit 81, and holds the power supply plug P2 by moving the dead bolt away from the power supply plug P2. It is possible to move forward and backward between the release position to release.

  The key drive unit 78 (switching unit) drives the lock unit 77 in accordance with a control signal from the control circuit 71, and holds the power supply plug P2 in the lock state 77 and releases the power supply plug P2. The lock unit 77 is switched to either one.

  Next, the operation of the present embodiment will be described based on the sequence diagram of FIG. When the resident of the house 100 is out, the control circuit 71 of the charging control device 7 locks a control command that prevents the charging with the power supply plug P2 stored in the storage unit 81 being held. To the unit 78. The key drive unit 78 drives the lock unit 77 based on this control command to place the power supply plug P2 in the holding state (S21 in FIG. 6). When the power supply plug P2 is held by the lock part 77, the power supply plug P2 cannot be removed from the storage part 81, and therefore the power supply plug P2 cannot be connected to the power receiving socket 202 of the electric vehicle 200. The electric vehicle 200 cannot be charged. Thereafter, when the resident who has returned to the house 100 inputs authentication information to unlock the front door 101, authentication is performed based on the authentication information input by the main device 3 of the electric lock system 1 (S22). Authentication information notifying the establishment of authentication is transmitted to the charging control device 7 (S23). When the communication unit 74 of the charging control device 7 receives the authentication information transmitted from the main device 3, the control circuit 71 releases the holding state of the power supply plug P2 based on the authentication information received by the communication unit 74 (power supply plug). It is determined to release (P2) (S24). That is, the control circuit 71 outputs a control command for releasing the power supply plug P2 stored in the storage unit 81 to the key drive unit 78, and the key drive unit 78 releases the lock unit 77 based on the control command. Switch to state. When the holding of the power supply plug P2 is released, the power supply plug P2 can be taken out from the storage portion 81, and charging can be performed by connecting the power supply plug P2 to the power receiving socket 202 of the electric vehicle 200. Thus, after the user connects the power supply plug P2 to the socket 202 of the electric vehicle 200 and performs an operation of starting power supply using the operation unit 72, the control circuit 71 closes the relay 75 and closes the electric vehicle. Charging to 200 is started.

  As described above, the charge control system of this embodiment includes the electric lock system 1 and the charge control device 7. The electric lock system 1 performs authentication based on the electric lock 2 that locks and unlocks the door 101 provided at the entrance and the authentication information input from the user, and locks the electric lock 2 when the authentication is established. Or the authentication part (main apparatus 3 of this embodiment) to unlock is provided. The charging control device 7 controls power feeding to the power storage device 201 included in the electric vehicle 200. The charging control device 7 includes a power supply plug P2 connected to the electric vehicle, a holding unit (the lock unit 77) that holds the power supply plug P2 in a state where it cannot be connected to the electric vehicle 200, and the power supply plug P2 to the lock unit 77. A switching unit (the key driving unit 78) that switches the lock unit 77 to either a holding state for holding or a releasing state for releasing the power supply plug P2 is provided. And when the authentication information which notifies authentication establishment from the electric lock system 1 is input, the switching part (key drive part 78) has switched the holding | maintenance part (lock part 77) to the releasing state.

  Thereby, since the charge control device 7 is in the holding state while the resident of the house 100 is out, the electric vehicle 200 cannot be supplied with power, and the electric vehicle is charged without permission while the resident is out. The possibility of theft being generated can be reduced. In addition, since the authentication unit of the electric lock system 1 is used for authentication when releasing the holding state of the charging control device 7, it is possible to steal power without providing a new authentication unit for authentication for unlocking. It is possible to provide a charge control system with reduced possibility. Furthermore, since the holding state of the charging control device 7 is released by the authentication using the electric lock system 1, the charging control device is provided as in the case where an authentication unit for releasing the holding state is provided in the charging control device 7. There is also an effect that it is not necessary to perform an authentication process for releasing the holding state on the 7 side.

  In the present embodiment, the charging control device 7 is not provided with an authentication unit, and the authentication unit of the electric lock system 1 is also used for authentication for releasing the holding state by the lock unit 77. An authentication unit may be provided in the control device 7. For example, when the user inputs a password using the operation unit 72, the control circuit 71 performs authentication based on the input password, and if the authentication is established, the state held by the lock unit 77 is canceled. Good. Even in this case, if the authentication is not established, the holding state by the lock unit 77 is continued, so that it is possible to prevent anyone other than a previously authorized person from being charged using the charging control device 7 and possible power theft. Can be reduced.

The authentication method when the authentication unit is provided on the charging control device 7 side may be authentication using a non-contact type IC card, in addition to the method of collating the input password, or fingerprint, iris or voiceprint. Biometric authentication using ecological information such as the above may be used, and is not limited to a specific authentication method.
The charge control system includes an electric lock system and a charge control device. The electric lock system includes an authentication unit that locks and unlocks the door, and an authentication unit that performs authentication based on authentication information input by a user and locks or unlocks the electric lock when authentication is established. The charge control device controls power feeding to a power storage device included in the electric vehicle. The charging control device includes: a power supply plug connected to the electric vehicle; a holding unit that holds the power supply plug in a state where the power supply plug cannot be connected to the electric vehicle; a holding state that holds the power supply plug by the holding unit; and a release state that releases the power supply plug. And a switching unit for switching between. When authentication information for notifying establishment of authentication is input from the electric lock system, the switching unit switches the holding unit to the released state.

1 Electric Lock System 2 Electric Lock 3 Main Device (Authentication Unit)
4,5 Operation terminal 7 Charge control device 100 Housing 101 Door

Claims (1)

An electric lock system for locking and unlocking the door, and an electric lock system having an authentication unit for performing authentication based on authentication information input by the user and locking or unlocking the electric lock when authentication is established;
A charge control device for controlling power feeding to the power storage device provided in the electric vehicle,
The charging control device starts supplying power to the power storage device when authentication information for notifying establishment of authentication is input from the electric lock system while being electrically connected to the power storage device included in the electric vehicle. A charge control system .

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