JP2012231581A - Vehicle charging system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle charging system which can surely inhibit a person other than a user from stopping vehicle charging.SOLUTION: A vehicle charging system comprises a charging unit 6 which includes a control unit 7, an electrical outlet 9 which is connected with an inlet plug 8 of a vehicle 1 parked in a car parking compartment 3 for supplying electric power from a power supply trunk line, and an ID information reading unit 22 for authenticating a user for charging. When someone tries to stop vehicle charging, the control unit 7 controls the vehicle charging system to terminate charging only if it is determined that key ID information read by the ID information reading unit 22 matches key ID information recorded when the user started the vehicle charging.

Description

  The present invention relates to a vehicle charging system, and more particularly to a vehicle charging system that can reliably prevent charging from being stopped by a person other than a user during charging.

  In recent years, electric vehicles have become widespread, and charging systems for electric vehicles have been developed. In such a charging system, a plurality of vehicles are charged when an electric vehicle is parked in a parking lot.

  Here, when charging a plurality of batteries, a technique is disclosed in which the charging capacity and the like are displayed based on the current value information when power is initially supplied (for example, Patent Document 1).

JP 2002-238178 A

  However, in the technique described in Patent Document 1, the object to be charged is a technique for a relatively small-capacity battery such as a portable video camera. For example, the vehicle is equipped with a large-capacity battery such as an electric vehicle. On the other hand, it is difficult to apply.

  On the other hand, as a means for charging the vehicle, household charging using a general household power source and rapid charging can be considered. However, rapid charging has a problem that although the charging time is short, the equipment becomes large and the equipment cost becomes high. In addition, home charging can be performed with general commercial power, but has a problem that charging takes time.

  In general, when charging a vehicle, charging stops when the vehicle is fully charged, and charging is completed, but if it is necessary to stop charging halfway, it has been forced to press the charging stop switch. It is possible to finish charging.

  However, in the case of home charging, since it takes time to charge, the outlet may be pulled out due to mischief of a person other than the user during charging. As described above, when the charge stop switch is pushed or the outlet is pulled out during charging, there is a problem in that a state in which the desired charge amount is not charged occurs.

  In order to prevent this, it is possible to regulate the operation of the charge stop button during charging or pulling out the outlet using an ID card, a non-contact IC card, or a key, but when using an ID card, etc. Has a problem that it cannot be used by a user who does not carry an ID card, such as a family member, and is unusable. In addition, if a card or key is lost, it cannot be used, and there is a problem that extra costs such as reissuing of the card are required.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a vehicle charging system that can reliably prevent charging from being stopped by a person other than the user. It is.

In order to achieve the above object, the vehicle charging system according to the invention of claim 1 includes a plurality of vehicle compartments installed in a parking lot where an electric vehicle can be parked,
A control unit, a power supply side connector connected to a power receiving side connector of a vehicle parked in the passenger compartment and supplied with power from a power supply main line, and a user authorization means for authorizing a charging user. Charging unit,
The control unit controls to terminate charging only when it is determined that the user authorized by the user authorization unit matches the user who started the charging when the charging is terminated. It is characterized by that.

According to a second aspect of the present invention, in the first aspect, the user authentication unit includes an ID information reading unit that reads key ID information of a vehicle key carried by the user, and the ID information reading unit at the start of charging. A memory for recording the read key ID information;
The control unit compares the key ID information read by the ID information reading unit at the end of charging with the key ID information recorded in the memory at the start of charging, and ends the charging when they match. It is characterized by that.

The invention according to claim 3 is the invention according to claim 1, wherein the user authentication means includes vehicle operation detection means for detecting a driving operation of a vehicle parked in the passenger compartment.
The control unit terminates charging when the vehicle operation detecting means detects that the vehicle has been driven at the end of charging.

According to a fourth aspect of the present invention, in any one of the first to third aspects, the charging unit is not disconnected from the power receiving side connector while the power receiving side connector is connected to the power feeding side connector. A lock mechanism for holding
The control unit releases the lock mechanism only when it is determined that the user authorized by the user authorization unit matches the user who started the charging when terminating the charging. It is characterized by controlling.

  According to a fifth aspect of the present invention, in the fourth aspect, the charging unit includes a cover member that covers the power supply side connector so as to be freely opened and closed, and the locking mechanism holds the cover member in a closed state. It is characterized by being.

  According to the first aspect of the invention, only when the control unit determines that the user authorized by the user authorization unit agrees with the user who started the charging when the charging is terminated. Since it is controlled to terminate charging, it is possible to recognize the user who started charging and the user who ends charging, and reliably prevent unauthorized charging from being stopped by anyone other than the user. can do. In addition, since a special card or the like is not used, it is possible to surely prevent a situation in which the card cannot be used due to the loss of the card or the like, and there is no extra cost due to reissuance of the card or the like.

  According to the invention of claim 2, the control unit compares the key ID information read by the ID information reading unit at the end of charging with the key ID information recorded in the memory at the start of charging, Since the charging is terminated when they match, the key ID information of the vehicle key can identify the user who started charging and the user who ends charging. Can be surely prevented from stopping charging. Further, as long as the vehicle key is carried, even when the user who starts charging is different from the user who ends charging, the charging can be properly terminated.

  According to the third aspect of the invention, when the control unit detects that the vehicle has been operated by the vehicle operation detecting means at the end of charging, the charging is ended. The user who has started charging and the user who has finished charging can be certified, and unauthorized stoppage of charging by a person other than the user can be reliably prevented. Further, if the vehicle can be operated, the charging can be properly terminated even when the user who has started charging is different from the user who has finished charging.

  According to the invention of claim 4, the charging unit is provided with a lock mechanism that holds the power receiving side connector so that the power receiving side connector is not detached in a state where the power receiving side connector is connected to the power feeding side connector. When ending the process, the user is authorized to release the lock mechanism only when it is determined that the user authorized by the user authorization means matches the user who started charging. The lock mechanism can reliably prevent the power receiving side connector from being pulled out of the power feeding side connector.

  According to the invention of claim 5, since the charging unit is provided with a cover member that covers the power supply side connector so that it can be opened and closed, and the lock mechanism holds the cover member in a closed state. By holding the cover member in the closed state, it is possible to reliably prevent the power receiving side connector from being pulled out from the power feeding side connector.

1 is a schematic configuration diagram showing a first embodiment of a vehicle charging system according to the present invention. It is a flowchart which shows the charge start operation | movement in 1st Embodiment of the charging system for vehicles which concerns on this invention. It is a flowchart which shows the charge completion | finish operation | movement in 1st Embodiment of the charging system for vehicles which concerns on this invention. It is a schematic block diagram which shows 2nd Embodiment of the charging system for vehicles which concerns on this invention. It is a flowchart which shows the charge start operation | movement in 2nd Embodiment of the charging system for vehicles which concerns on this invention. It is a flowchart which shows the charge completion | finish operation | movement in 2nd Embodiment of the charging system for vehicles which concerns on this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a schematic view showing a first embodiment of a vehicle charging system according to the present invention. As shown in FIG. 1, the vehicle charging system of the present embodiment is installed in a parking lot 2 in order to park a vehicle 1 that runs on battery power such as an electric vehicle. 2 includes a plurality of vehicle compartments 3.

  Further, the vehicle charging system includes a distribution board 4 to which power from an external power source (not shown) is supplied, and a leakage breaker 5 is installed in the distribution board 4. The vehicle charging system includes a charging unit 6 installed in each vehicle compartment 3 of the parking lot 2, and the charging unit 6 is provided with a control unit 7 that performs various controls. Each charging unit 6 is provided with an outlet 9 as a power feeding side connector into which a power plug 8 as a power receiving side connector of the vehicle 1 parked in the passenger compartment 3 is inserted. In the present embodiment, the outlet 9 portion is provided with a cover member 10 that covers the outlet 9 portion. The cover member 10 is always attached in the direction in which the cover member is closed by an elastic member such as a spring (not shown). It is configured to be supported. Further, a lock mechanism 11 that holds the cover member 10 in a closed state by a control signal from the control unit 7 is provided at the outlet 9 portion. The lock mechanism 11 holds the cover member 10 in a closed state in a state where the power plug 8 is inserted into the outlet 9. When the cover member 10 is not provided, the lock mechanism 11 may be configured by a mechanism that holds the power plug 8 inserted into the outlet 9 so as not to come off.

  Further, the charging unit 6 is provided with a power switch 12 electrically connected to the outlet 9, and the power switch 12 is a switch for opening and closing the connection with the power supply main line 13, and the distribution board 4 Is connected to the power supply main line 13 via the earth leakage breaker 14. The charging unit 6 is provided with a current sensor 15 that detects a current value sent to the outlet 9 and sends the current value to the control unit 7. The charging unit 6 detects a voltage value supplied to the outlet 9. A voltage detector 16 is provided.

  Further, the charging unit 6 is provided with a charging start switch 17 and a charging end switch 18, respectively. By operating the charging start switch 17, the control unit 7 causes the power switch 12 to be turned on and the charging unit 6 is charged. By operating the end switch 18, the controller 7 is configured to turn off the power switch 12. When the power switch 12 is turned ON, the power supply trunk line 13 and the outlet 9 are connected to supply power to the outlet 9, and when the power switch 12 is turned OFF, power supply is stopped. It is configured as follows.

  Further, the charging unit 6 is provided with a display unit 19 for performing predetermined guidance display such as charging acceptance. For example, the display unit 19 is configured to display guidance such as charging start guidance, charging termination guidance, and cancel operation. Further, the charging unit 6 is provided with a memory 20 and a timer 21.

  Here, in recent years, in order to release the door lock of the vehicle 1, when the vehicle key holder approaches the vehicle 1 without inserting the vehicle key into the key insertion slot of the door, or a lock provided on the vehicle key. A so-called keyless entry system capable of releasing the door lock of the vehicle 1 when the release button is pressed has been increasingly used.

  Therefore, the charging unit 6 of the present embodiment is provided with an ID information reading unit 22 as user authentication means for reading the key ID information of the vehicle key used in the keyless entry system of the vehicle 1. Then, when charging is started, the vehicle ID is read over and recorded in the memory 20 by holding the vehicle key over the ID information reading unit 22, and when charging is finished, the vehicle is stored in the ID information reading unit 22. By holding the key, the charge control unit 7 reads the key ID information, compares the key ID information with the key ID information recorded in the memory 20, and releases the lock mechanism 11 when they match. It is comprised so that it may control.

  Next, the operation of the present embodiment will be described with reference to the flowchart shown in FIG.

  In this embodiment, when charging is started, the cover member 10 of the charging unit 6 is opened, the power plug 8 of the vehicle 1 is inserted into the outlet 9, the cover member 10 is closed (ST1), and then the display is performed. The charging start switch 17 is operated according to the guidance display of the unit 19 (ST2). Thereafter, when the user holds the vehicle key over the ID information reading unit 22, the ID information reading unit 22 reads the key ID information (ST3) and records it in the memory 20 (ST4). When the recording of the key ID information is completed, the controller 7 operates the lock mechanism 11 to lock the cover member 10 (ST5). When the lock is completed, the controller 7 turns on the power switch 12 to charge the battery. Started (ST6).

  Next, the charging end operation will be described with reference to the flowchart shown in FIG.

  When the charging is to be terminated, the user operates the charging termination switch 18 (ST10) and holds the vehicle key over the ID information reading unit 22 to read the vehicle key ID information (ST11). Then, the control unit 7 compares the key ID information with the key ID information recorded in the memory 20 (ST12). If the key ID information matches (ST13: YES), the control unit 7 The switch 12 is turned off, the supply of power is stopped to end the charging (ST14), and the lock mechanism 11 is unlocked (ST15).

  Thereafter, when the user removes the power plug 8 from the outlet 9, all the charging operations are completed.

  As described above, in the present embodiment, when charging is started, the key ID information of the vehicle key is read and recorded by the ID information reading unit 22, and when charging is finished, the ID information of the vehicle key is recorded. When the read key ID information matches the pre-recorded key ID information, the charging is terminated and the lock mechanism 11 of the cover member 10 is released, so the charging is started by the key ID information of the vehicle key. The user and the user who terminates charging can be authorized, and unauthorized suspension of charging by something other than the user can be reliably prevented. Further, as long as the vehicle key is carried, even when the user who starts charging is different from the user who ends charging, the charging can be properly terminated. Furthermore, since it uses the key ID information of the vehicle key carried by the user and does not use a special card or the like, it is possible to reliably prevent a situation such as unavailability due to loss of the card, No extra costs will be incurred due to the reissue of

  Next, a second embodiment of the present invention will be described.

  In the present embodiment, vehicle operation detection means is used as user authentication means. That is, as shown in FIG. 4, a camera 23 for photographing the operation of the vehicle 1 parked in the passenger compartment 3 is installed in the passenger compartment 3, and an image from the camera 23 is displayed on the charge control unit. A vehicle operation determination unit 24 is provided for determining whether or not the vehicle 1 has operated by inputting and analyzing the image. The camera 23 and the vehicle motion determination unit 24 constitute vehicle motion detection means.

  In this embodiment, when charging is completed, the user can, for example, move the vehicle 1 slightly forward or backward, or perform an operation such as turning on the brake lamp. Is a user who can operate the vehicle 1, specifically, a user who carries the vehicle key of the vehicle 1 and recognizes the user. In this case, when the user operates the charging end switch 18, guidance for prompting the operation of the vehicle 1 may be displayed on the display unit 19.

  The operation of the vehicle 1 is not limited to the above-described operation, and may be any operation as long as the operation can be detected from the outside, such as a door opening / closing operation. In the present embodiment, the camera 23 is used as a means for detecting the operation of the vehicle 1. For example, the vehicle 1 may be illegally released only by monitoring the camera 23 without providing a lock plate in the passenger compartment 3. In the parking lot system designed to prevent such a situation, it may be shared with the camera 23 for monitoring unauthorized leaving. Further, in the present embodiment, the camera 23 is used as a means for detecting the operation of the vehicle 1, but the operation of the vehicle 1 may be detected by, for example, an optical sensor.

  Since other configurations are the same as those of the first embodiment, the same parts are denoted by the same reference numerals and the description thereof is omitted.

  Next, the operation of the present embodiment will be described with reference to the flowchart shown in FIG.

  In this embodiment, when charging is started, the cover member 10 of the charging unit 6 is opened, the power plug 8 of the vehicle 1 is inserted into the outlet 9, and the cover member 10 is closed (ST20), and then the display unit When the charging start switch 17 is operated according to the guidance display 19 (ST21), the control unit 7 operates the lock mechanism 11 to lock the cover member 10 (ST22). 12 is turned on to start charging (ST23).

  Next, the charging end operation will be described with reference to the flowchart shown in FIG.

  In order to end the charging, after the user operates the charging end switch 18 (ST30), the display unit 19 displays a guide for operating the vehicle 1 (ST31). Make it work. Then, an image of the vehicle 1 is taken by the camera 23, and the vehicle operation determination unit 24 analyzes this image to determine whether or not the vehicle 1 has operated (ST32).

  When it is confirmed that the vehicle 1 has been operated (ST32: YES), the control unit 7 turns off the power switch 12, stops the supply of power and ends the charging (ST33). The lock mechanism 11 is unlocked (ST34).

  Thereafter, when the user removes the power plug 8 from the outlet 9, all the charging operations are completed.

  As described above, in the present embodiment, when the charging is finished, the camera 23 and the vehicle operation determination unit 24 detect the operation of the vehicle 1 and confirm that the vehicle 1 is operated. Since the charging mechanism is terminated and the lock mechanism 11 of the cover member 10 is released, the operation of the vehicle 1 can identify the user who started charging and the user who ends charging. It is possible to reliably prevent unauthorized charging from being stopped by a person other than the user. If the operation of the vehicle 1 can be performed, the charging can be properly terminated even when the user who has started charging is different from the user who has finished charging. Furthermore, since the user operates the vehicle 1 and does not use a special card or the like, it is possible to reliably prevent a situation in which the card cannot be used due to loss of the card or the like. There is no extra cost.

  In addition, this invention is not limited to the said embodiment, A various deformation | transformation is possible based on the meaning of this invention.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Parking lot 3 Car compartment 4 Distribution board 5 Earth leakage breaker 6 Charging unit 7 Control part 8 Power plug 9 Outlet 10 Cover member 11 Lock mechanism 12 Power switch 13 Power supply trunk 14 Earth leakage breaker 15 Current sensor 16 Voltage detection Unit 17 Charge start switch 18 Charge end switch 19 Display unit 20 Memory 21 Timer 22 ID information reading unit 23 Camera 24 Vehicle operation determination unit

Claims (5)

A plurality of cabins installed in a parking lot where electric vehicles can be parked;
A control unit, a power supply side connector connected to a power receiving side connector of a vehicle parked in the passenger compartment and supplied with power from a power supply main line, and a user authorization means for authorizing a charging user. Charging unit,
The control unit controls to terminate charging only when it is determined that the user authorized by the user authorization unit matches the user who started the charging when the charging is terminated. A vehicle charging system. The user authentication unit includes an ID information reading unit that reads key ID information of a vehicle key carried by the user, and further includes a memory that records the key ID information read by the ID information reading unit at the start of charging. ,
The control unit compares the key ID information read by the ID information reading unit at the end of charging with the key ID information recorded in the memory at the start of charging, and ends the charging when they match. The vehicle charging system according to claim 1. The user authentication means includes vehicle operation detection means for detecting a driving operation of a vehicle parked in the passenger compartment,
2. The vehicle charging system according to claim 1, wherein the control unit terminates the charging when the vehicle operation detecting unit detects that the vehicle has been operated at the end of the charging. 3. The charging unit further includes a lock mechanism that holds the power receiving side connector in a state where the power receiving side connector is connected to the power feeding side connector,
The control unit releases the lock mechanism only when it is determined that the user authorized by the user authorization unit matches the user who started the charging when terminating the charging. It controls, The charging system for vehicles as described in any one of Claims 1-3 characterized by the above-mentioned. The charging unit includes a cover member that covers the power supply side connector so as to be freely opened and closed.
The vehicle charging system according to claim 4, wherein the lock mechanism holds the cover member in a closed state.

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