JP5672609B2 - Charge control system - Google Patents

Description

  The present invention relates to a charge control system.

  Conventionally, when an electric vehicle parked in a parking lot is connected to a power output terminal of a building with a connection cable and the electric vehicle is charged, it is detected that a person exists around the electric vehicle for a predetermined time. A crime prevention system that generates a warning sound has been proposed (see, for example, Patent Document 1). In the above-described crime prevention system, it is also described that charging to an electric vehicle is automatically started when a predetermined charging time comes in the security mode.

JP 2010-92221 A

  In the above-described conventional crime prevention system, an alarm is issued when it is detected that the connection cable is disconnected from the electric vehicle being charged so that theft during charging or the theft of the vehicle itself does not occur. Further, an alarm sound is generated when it is detected that a person is present around the electric vehicle during charging for a predetermined time so that the connection cable is not removed during charging and the vehicle itself is not stolen. However, if the electric vehicle is connected to the power output terminal via the connection cable in the alarm mode, power is supplied from the power output terminal to the electric vehicle. There was a possibility of charging without permission.

  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 during a crime prevention or disaster prevention warning operation.

  In order to solve the above problems, a charge control system of the present application includes an abnormality detection device, a notification device, and a charge control device. The anomaly detection device detects an anomaly related to crime prevention or disaster prevention of a building. The notification device receives abnormality detection information from the abnormality detection device. The charge control device controls power feeding to the power storage device provided in the electric vehicle. When the operation mode of the notification device is set to the first warning mode in which the notification operation is performed when detection information is input from the abnormality detection device, the charge control device does not permit power supply to the power storage device.

  In this charging control system, the charging control device includes a power supply plug, a holding unit, and a switching unit. The power supply plug is detachably connected to a power receiving socket of the electric vehicle. The holding unit holds the power supply plug in a state where it cannot be connected to the power receiving socket. The switching unit switches between a state in which the holding unit holds the power plug and a state in which the power plug is released. While the notification device is operating in the first alert mode, it is preferable that the switching unit causes the holding unit to maintain the holding state.

  In this charging control system, when there is a second warning mode as the operation mode of the notification device and the operation mode of the notification device is set to the second warning mode, the notification device receives abnormality detection information from the abnormality detection device. Then, it is also preferable to perform a notification operation and allow the charging control device to allow power supply to the power storage device.

  In this charging control system, the charging control device continues to supply power until the power storage device completes charging, if the power is being supplied to the power storage device when the operation mode of the notification device is set to the first alert mode. It is also preferable not to allow power supply to the power storage device after completion.

  According to the present invention, when the operation mode of the notification device is switched to the first warning mode, the charging control device does not permit the power supply to the electric vehicle, so that the charging control is performed when the first warning mode is set due to absence or the like. The possibility of the device being used without permission and being stolen can be reduced.

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 a sequence diagram explaining another operation | movement same as the above. It is a sequence diagram explaining another operation same as the above. It is a block diagram of the charge control system of Embodiment 2. The charge control apparatus same as the above is shown, (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 Embodiment 1 is demonstrated with reference to FIGS.

  The charge control system of this embodiment is applied to a detached house 100 as shown in FIG. 2, and includes a security system 1 and a charge control device 4 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 security system 1 includes one or more abnormality detection devices 2 (three abnormality detection devices 2a, 2b, 2c in the example of FIG. 2) and a notification device 3.

  The abnormality detection device 2 detects an abnormality related to crime prevention or disaster prevention of a building (house 100), and includes a sensor unit 21, a notification unit 22, a communication unit 23, and a control unit 24. There are various types of abnormality detection devices 2 according to the abnormality to be detected. The abnormality detection device 2 for disaster prevention includes a fire detector 2a that detects the occurrence of a fire by detecting heat and smoke. There is a seismic sensor (not shown) for detecting the occurrence of an earthquake. As the crime detection abnormality detection device 2, human sensors 2b and 2c for detecting a person inside and outside the house 100, an open / close sensor (not shown) for detecting opening / closing of a window or a door, a window There is a breakage detection sensor (not shown) for detecting breakage of glass.

  The sensor unit 21 detects the presence or absence of an abnormality according to the type of the abnormality detection device 2, and outputs detection information to the control unit 24 when detecting that an abnormality has occurred.

  When the sensor unit 21 detects the occurrence of an abnormality, the notification unit 22 outputs sound and light to notify the surrounding people of the occurrence of the abnormality. Further, in the case of crime prevention use, the notification unit 22 outputs sound and light so as to notify surrounding people and perform an operation of threatening the suspicious person with sound and light.

  The communication unit 23 includes, for example, a specific low-power wireless module, and wirelessly transmits abnormality detection information to the notification device 3 or outputs a signal received from the notification device 3 to the control unit 24.

  The control unit 24 includes, for example, a microcomputer as a constituent element, and comprehensively controls the operation of the abnormality detection device 2. The control unit 24 regularly monitors the detection state of the sensor unit 21. When the sensor unit 21 detects an abnormality, the notification unit 22 performs a notification operation and the communication unit 23 notifies the notification device 3 of the abnormality. The detection information is transmitted wirelessly.

  The notification device 3 is installed in a place where people frequently pass in the building 100, receives and manages the detection information of the abnormality transmitted from the abnormality detection device 2, and is abnormal for the person in the house 100. Is generated.

  The notification device 3 includes an operation unit 31, a notification unit 32, a communication unit 33, and a control unit 34.

  The operation unit 31 is for setting the operation mode of the notification device 3, and includes an absence warning button 31a, a home warning button 31b, and a release button 31c. The absence warning button 31a is an operation for selecting a first warning mode in which a notification operation is performed when abnormality detection information is input from the abnormality detection device 2 in a state where there is no person in the house 100 (for example, when going out). Button. The home warning button 31b is an operation for selecting a second warning mode for performing a notification operation when abnormality detection information is input from the abnormality detection device 2 in a state where a person is present in the house 100 (for example, sleeping). Button. The cancel button 31c is an operation button for canceling the alert mode (the first alert mode and the second alert mode).

  The notification unit 32 turns on a lamp when abnormality detection information is input from the abnormality detection device 2 or outputs an alarm sound from a speaker, for example, to notify the surrounding people of the occurrence of abnormality with light or sound. To inform.

  The communication unit 33 includes, for example, a specific low-power wireless module, and performs wireless communication with the abnormality detection device 2 and the charging control device 4. The communication between the notification device 3 and the abnormality detection device 2 and between the notification device 3 and the charging control device 4 is not limited to wireless communication, but wired communication (communication via a dedicated communication line, Power line carrier communication using a power line, etc.).

  The control unit 34 includes, for example, a microcomputer as a constituent element, and comprehensively controls the operation of the notification device 3.

  When the operation mode is set to the alert mode (the first alert mode or the second alert mode) using the operation unit 31, the control unit 34 detects the abnormality detection information transmitted from the abnormality detection device 2 by the communication unit 33. Is notified by the notification unit 32. On the other hand, when the alert mode is canceled by the operation unit 31, the control unit 34 does not perform the notification operation even if the communication unit 33 receives the abnormality detection information.

  When the operation mode is set to the first warning mode, the control unit 34 causes the communication unit 33 to transmit a non-permission signal notifying that the power supply to the electric vehicle 200 is not permitted to the charging control device 4. Further, when the operation mode is set to the second warning mode or when the warning mode is released, the control unit 34 performs a charge control from the communication unit 33 with a permission signal notifying that the power supply to the electric vehicle 200 is permitted. Transmit to the device 4.

  The charging control device 4 is a portable device that is used by being connected to an outlet 101 provided on the outer wall of the house 100, and controls power supply from the commercial AC power source to the power storage device 201 provided in the electric vehicle 200. It is. 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. 2, the charge control device 4 includes a rectangular parallelepiped main body 40 that is formed to have 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 40, and a power cable CB2 connected to the electric vehicle 200 side is led from the other longitudinal end. The power cable CB1 is composed of two electric wires for voltage electrodes and a grounding wire, and a plug P1 that is plugged into the power outlet 101 is connected to the tip of the power 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 power source (for example, the commercial AC power source) to the electric vehicle 200 is configured by the two electric wires of the voltage electrodes included in the power cables CB1 and CB2.

  As shown in FIG. 1, the charging control device 4 includes a control unit 41, an operation unit 42, a notification unit 43, a communication unit 44, a relay 45, and a zero-phase current transformer (ZCT) 46 as main components. Is housed in the main body 40 described above.

  The operation unit 42 includes, for example, a plurality of switches (not shown) provided with operation parts on the surface of the main body 40, and the operation unit 42 responds to an operation input such as a start operation or a stop operation of charging the electric vehicle 200. The operation signal is output to the control unit 41.

  The operation of the notification unit 43 is controlled by the control unit 41 to notify the state of charge of the electric vehicle 200 and the like. The notification unit 43 includes 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 44 includes, for example, a specific low power wireless module, and transmits and receives signals to and from the notification device 3 of the electric lock system 1 by wireless communication.

  Relay 45 has a relay contact inserted in a power feeding path between the power source and power storage device 201 of electric vehicle 200, and switches the relay contact on / off in accordance with a control signal from control unit 41. The power supply path from the power source to the power storage device 201 is opened and closed.

  The zero-phase current transformer 46 is provided for detecting an unbalanced current that is generated when electric leakage occurs on the electric vehicle 200 side, and an output signal of the zero-phase current transformer 46 is input to the control unit 41.

  The control unit 41 includes, for example, a microcomputer as a constituent element, and comprehensively controls each unit of the charge control device 4. The control unit 41 controls the opening and closing of the relay 45 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 42, so that the power source is connected to the power storage device 201. Turn on / off the power supply. Further, when an unbalanced current is detected by the zero-phase current transformer 46, the control unit 41 determines that a leakage has occurred on the electric vehicle 200 side, opens the relay 45, and supplies power to the electric vehicle 200. The leakage protection operation is performed by cutting off. In addition, the control part 41 will alert | report that the electrical leakage generate | occur | produced by the alerting | reporting part 43, if an electrical leakage protection operation | movement is performed.

  Further, when the communication unit 44 receives the permission signal from the notification device 3, the control unit 41 can cause the electric vehicle 200 to perform power supply in accordance with the operation of the operation unit 42. On the other hand, when the communication unit 44 receives a non-permission signal from the notification device 3, the control unit 41 prohibits power supply to the electric vehicle 200 and the power supply start operation is performed using the operation unit 42. However, power feeding to the electric vehicle 200 is not performed.

  Next, the operation when switched to the first alert mode will be described based on the sequence diagram of FIG. In an initial state, there is a person in the house 100, and the operation mode of the notification device 3 is switched to the warning release mode by a person in the home (S1), and the charging control device 4 has a permission signal for permitting power supply from the notification device 3. It is inputted and is operating in the charge permission mode (S2). In this case, according to the operation of the operation unit 42, the control unit 41 turns on / off power feeding to the electric vehicle 200. In addition, according to operation of the operation part 42, the control part 41 shall open the relay 45 (S3), and the alerting | reporting part 43 alert | reports the charge stop state (S4).

  Thereafter, when the person in the house 100 goes out, when the absence warning button 31a of the notification device 3 is operated (S5), the control unit 34 sets the operation mode based on the operation input from the absence warning button 31a. Switch to one alert mode (S6). At this time, the control unit 34 outputs a notification command to the notification unit 32 (S7), and notifies the notification unit 32 of the fact that the mode has been switched to the first warning mode by sound or light (S8). Further, when the operation mode is set to the first warning mode, the control unit 34 causes the communication unit 33 to transmit a non-permission signal that does not permit power supply to the electric vehicle 200 to the charging control device 4 (S9). In the charging control device 4, when the communication unit 44 receives the non-permission signal transmitted from the notification device 3, the control unit 41 prohibits power supply to the electric vehicle 200 based on the non-permission signal. The operation mode is switched to (S10).

  After the charging control device 4 is switched to the charging disapproval mode, the user connects the plug P1 of the charging control device 4 to the outlet 101 and the power supply plug P2 to the electric vehicle 200, and charges using the operation unit 42. When the start operation is performed (S11), a signal corresponding to the charge start operation is input from the operation unit 42 to the control unit 41. However, the control unit 41 closes the relay 45 because it is operating in the charge non-permission mode. This is not the case, and no electric power is supplied to the electric vehicle 200. At this time, the control unit 41 outputs a notification command for notifying the charging disapproval to the notifying unit 43 (S12), and the notifying unit 43 notifies the user that the power is not supplied due to the charging disapproval by sound or light. In the notification device 3, when abnormality detection information is input from the abnormality detection device 2 during operation in the first warning mode, the control unit 34 uses the notification unit 32 to notify the surrounding people of the occurrence of the abnormality. In the case of abnormalities related to crime prevention, the suspicious person is threatened with sound or light.

  As described above, the charging control system according to the present embodiment includes an abnormality detection device 2 that detects an abnormality related to crime prevention or disaster prevention of a building, a notification device 3 to which abnormality detection information is input from the abnormality detection device 2, and an electric vehicle. 200 includes a charge control device 4 that controls power supply to a power storage device 201 included in the power supply device 200. When the operation mode of the notification device 3 is set to the first alert mode in which the notification operation is performed when detection information is input from the abnormality detection device 2, the charging control device 4 does not permit power supply to the power storage device 201. ing.

  As a result, in the state where the security system 1 is switched to the first warning mode, the operation mode of the charging control device 4 is switched to the charging disapproval mode, so the electric vehicle 200 is charged while the house 100 is absent. Never happen. Therefore, it is possible to reduce the possibility that an outsider will use the charging control device 4 without permission to be stolen. In addition, since the notification unit 43 of the charging control device 4 notifies the charging non-permission state, based on the notification content of the notification unit 43, whether power is not supplied because of the charging non-permission state or due to a failure or the like The user can determine whether power feeding is not performed.

  Next, the operation when switched to the second alert mode will be described based on the sequence diagram of FIG. In an initial state, there is a person in the house 100, and the operation mode of the notification device 3 is switched to the warning release mode by a person in the home (S1), and the charging control device 4 has a permission signal for permitting power supply from the notification device 3. It is inputted and is operating in the charge permission mode (S2). In this case, according to the operation of the operation unit 42, the control unit 41 turns on / off power feeding to the electric vehicle 200. In addition, according to operation of the operation part 42, the control part 41 shall open the relay 45 (S3), and the alerting | reporting part 43 alert | reports the charge stop state (S4).

  Thereafter, when a person in the house 100 sleeps, for example, when the home warning button 31b of the notification device 3 is operated (S21), the control unit 34 changes the operation mode based on the operation input from the home warning button 31b. Switch to the second alert mode (S22). At this time, the control unit 34 outputs a notification command to the notification unit 32 (S23), and causes the notification unit 32 to notify that it has switched to the second warning mode with sound or light (S24). Further, when the operation mode is set to the second warning mode, the control unit 34 causes the communication unit 33 to transmit a permission signal permitting power supply to the electric vehicle 200 to the charging control device 4 (S25). In the charging control device 4, when the communication unit 44 receives the permission signal transmitted from the notification device 3, the control unit 41 continues in the charging permission mode that permits power supply to the electric vehicle 200 based on the permission signal. Operate (S26). In this state, when the user connects the plug P1 of the charging control device 4 to the outlet 101 and the power supply plug P2 to the electric vehicle 200 and performs a charging start operation using the operation unit 42 (S27), A signal corresponding to the charging start operation is input from the unit 42 to the control unit 41. Since the control unit 41 is operating in the charge permission mode, the control unit 41 determines the start of charging based on the charging start signal (S28), closes the relay 45, and starts feeding the electric vehicle 200 ( In S29, the notification unit 43 notifies that charging is in progress (S30).

  As described above, when the operation mode of the notification device 3 is the second warning mode and the operation mode of the notification device 3 is set to the second warning mode, the notification device 3 receives the abnormality detection information from the abnormality detection device 2. It is also preferable that a notification operation is performed when input, and the charging control device 4 permits power supply to the power storage device 201.

  Thereby, in the state where the operation mode of the notification device 3 is switched to the second warning mode, the operation mode of the charge control device 4 is switched to the charge permission mode. For example, when it is desired to switch to the warning mode while at home such as sleeping. Since the user can charge the electric vehicle 200 by switching to the second warning mode, the usability is improved.

  In the present embodiment, if the charging control device 4 is supplying power to the power storage device 201 when the operation mode of the notification device 3 is set to the first warning mode, the charging control device 4 completes charging of the power storage device 201. It is also preferable not to allow power supply to the power storage device 201 after charging is completed.

  The operation in this case will be described based on the sequence diagram of FIG. In an initial state, there is a person in the house 100, and the operation mode of the notification device 3 is switched to the warning release mode by a person in the home (S1), and the charging control device 4 has a permission signal for permitting power supply from the notification device 3. It is inputted and is operating in the charge permission mode (S2). In this case, according to the operation of the operation unit 42, the control unit 41 turns on / off power feeding to the electric vehicle 200. In addition, according to operation of the operation part 42, the control part 41 shall open the relay 45 (S3), and the alerting | reporting part 43 alert | reports the charge stop state (S4).

  Thus, while the charge control device 4 is operating in the charge permission mode, the user connects the plug P1 of the charge control device 4 to the outlet 101 and the power supply plug P2 to the electric vehicle 200, and the operation unit 42 is When the charging start operation is performed using the control unit 41 (S31), a signal corresponding to the charging start operation is input from the operation unit 42 to the control unit 41. Since the control unit 41 is operating in the charge permission mode, when a charge start signal is input from the operation unit 42, the control unit 41 determines the start of charging (S32), closes the relay 45, and moves to the electric vehicle 200. Is started (S33), and the notification unit 43 notifies that charging is in progress (S34).

  Here, when the user operates the absence warning button 31a to go out in a state where the charging control device 4 is supplying power to the power storage device 201 (S35), the control unit 34 starts from the absence warning button 31a. Based on the operation input, the operation mode is switched to the first alert mode (S36). At this time, the control unit 34 outputs a notification command to the notification unit 32 (S37), and causes the notification unit 32 to notify the switching to the first warning mode with sound or light (S38). In addition, when the operation mode is set to the first alert mode, the control unit 34 causes the communication unit 33 to transmit a non-permission signal that does not permit power supply to the electric vehicle 200 to the charge control device 4 (S39). In the charging control device 4, when the communication unit 44 receives the non-permission signal transmitted from the notification device 3, the control unit 41 prohibits power supply to the electric vehicle 200 based on the non-permission signal. However, since the relay 45 is closed at this time and the power storage device 201 is being charged, the relay 45 remains closed. Thereafter, when the power storage device 201 completes charging, a notification signal for notifying completion of charging is transmitted from the power storage device 201 to the charge control device 4. When the notification signal is received by the communication unit 44 and input from the communication unit 44 to the control unit 41 (S41), the control unit 41 opens the relay 45 (S42) and the charging unit 43 stops charging. The state is displayed (S43).

  Thereafter, when the user connects the plug P1 of the charging control device 4 to the outlet 101 and the power supply plug P2 to the electric vehicle 200 and performs a charging operation using the operation unit 42 (S44), the control unit 41 In this case, a signal corresponding to the charging operation is input, but the relay 45 is not closed because it is operating in the charging non-permission mode (S45), and the notification unit 43 notifies the charging non-permission state ( S46).

  As described above, if the charging control device 4 is supplying power to the power storage device 201 when the operation mode of the notification device 3 is set to the first warning mode, the charging control device 4 continues to supply power until the power storage device 201 completes charging. The power supply to the power storage device 201 is not permitted after the charging is completed.

  Thereby, even if it switches to the 1st warning mode in the middle of charge of electric vehicle 200, it can charge to the last. That is, when the user switches to the first warning mode while going out while charging the electric vehicle 200, the charging is continued even when going out, and when the charging is completed, the charging control device 4 is switched to a mode in which charging is not permitted. It is possible to reduce the possibility of power theft during the absence.

(Embodiment 2)
The charge control system of Embodiment 2 is demonstrated with reference to FIGS.

  In the first embodiment, the charging control device 4 is portable, but in this embodiment, as shown in FIGS. 7A and 7B, the charging control device 4 is a wall-mounted type installed on the outer wall 102 of the house 100. The charging control device 4 includes a vertically long container 50 attached to the outer wall 102, and a storage part 51 that is open to the front side and the lower side is provided at the lower part of the container 50. Are provided with horizontal bars 52 whose left and right ends are fixed to the inner wall of the storage portion 51. The power supply plug P2 detachably connected to the power receiving socket 202 of the electric vehicle 200 is provided with a hook 53 for hooking the horizontal bar 52. By hooking the hook 53 on the horizontal bar 52, the power supply plug P2 is stored in the storage portion. 51 is held in a suspended state. Here, a holding portion that holds the power supply plug P <b> 2 in a state in which the power supply plug P <b> 2 cannot be connected to the power receiving socket 202 of the electric vehicle 200 is configured from the horizontal bar 52 provided in the storage portion 51. In addition, a plurality of operation buttons 42 a constituting the operation unit 42 and a plurality of display lamps 43 a and speakers 43 b constituting the notification unit 43 are arranged on the front surface of the body 50.

  In addition to the configuration described in the first embodiment, the charge control device 4 according to the present embodiment includes a switching unit 47. The switching unit 47 includes a dead bolt (not shown) provided on the inner wall of the storage unit 51 so as to freely advance and retract, and an electric motor (not shown) that drives the dead bolt. The dead bolt is between the holding position where the dead bolt is engaged with the engaged portion of the power supply plug P2 stored in the storage section 51 and the release position where the dead state is released by moving away from the power supply plug P2. You can move forward and backward. In the switching unit 47, the electric motor is driven by a control command from the control unit 41, and the dead bolt is moved to either the holding position or the release position. And in the control part 41, since the alerting | reporting apparatus 3 is operate | moving in 1st alert mode, the switching part 47 is maintaining the holding | maintenance state by a holding | maintenance part, and since electric power supply plug P2 cannot be removed from a holding | maintenance part. The possibility that an unauthorized person uses the charging control device 4 without permission to charge the electric vehicle is reduced.

  As described above, in the present embodiment, the charging control device 4 holds the power supply plug P2 that is detachably connected to the power reception socket 202 of the electric vehicle 200 and the power supply plug P2 in a state where the power supply plug P2 cannot be connected to the power reception socket 202. And a switching unit 47 that switches between a state in which the holding unit holds the power supply plug P2 and a state in which the power supply plug P2 is released. While the notification device 3 is operating in the first alert mode, the switching unit 47 keeps the holding unit in the holding state, so that power supply to the power storage device 201 is not permitted.

  As a result, while the notification device 3 is operating in the first alert mode, the power supply plug P2 itself cannot be connected to the power receiving socket 202 of the electric vehicle 200, thereby disabling power supply to the electric vehicle 200. The possibility that an outsider may use the charging control device 4 without permission and be stolen can be reduced.

  In the above-described embodiment, the abnormality detection device 2 and the notification device 3 are configured separately. However, the abnormality detection device 2 and the notification device 3 are integrated, and the function of the abnormality detection device 2 and the notification device are combined into one device. You may give 3 functions.

DESCRIPTION OF SYMBOLS 1 Security system 2 Abnormality detection apparatus 3 Notification apparatus 4 Charging control apparatus 200 Electric vehicle 201 Power storage apparatus

Claims (4)

  An abnormality detection device that detects an abnormality related to crime prevention or disaster prevention of a building, a notification device that receives abnormality detection information from the abnormality detection device, and a charge control device that controls power supply to a power storage device included in the electric vehicle When the operation mode of the notification device is set to a first warning mode in which a notification operation is performed when detection information is input from the abnormality detection device, the charge control device does not permit power supply to the power storage device. Charging control system characterized by.   The charging control device includes: a power supply plug that is detachably connected to a power receiving socket of 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 power receiving socket; A switching unit that switches between a state of holding the power supply and a state of releasing the power supply plug, and the switching unit causes the holding unit to maintain the holding state while the notification device is operating in the first alert mode. The charge control system according to claim 1, wherein:   When there is a second warning mode as the operation mode of the notification device, and the operation mode of the notification device is set to the second warning mode, the notification device receives abnormality detection information from the abnormality detection device. 3. The charging control system according to claim 1, wherein the charging control device permits power supply to the power storage device.   The charging control device continues to supply power until the power storage device completes charging if the power is being supplied to the power storage device when the operation mode of the notification device is set to the first alert mode. The charging control system according to any one of claims 1 to 3, wherein power supply to the power storage device is not permitted thereafter.

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