JP2013188047A - Charge system for electric drive vehicle - Google Patents

Abstract

[PROBLEMS] To connect a charging station to an information management system network, regardless of whether the vehicle is owned by a vehicle or a rental car, even if it does not own a portable terminal and is far away from the vehicle. Provided is a convenient, easy-to-configure, low-cost installation system that can receive notification of charging status.
In a system for charging an in-vehicle battery of an electrically driven vehicle having an electric drive mechanism driven by an in-vehicle battery, a charging stand connected to the in-vehicle battery of the vehicle for charging, and a charging status of the charging stand A charging status transmitting unit that detects and transmits information indicating the detected charging status wirelessly and a portable wireless receiving terminal configured to be portable and receive a transmission signal from the transmitting unit are provided.
[Selection] Figure 1

Description

  The present invention shows a charging system of an electrically driven vehicle for charging an in-vehicle battery in an electrically driven vehicle that is electrically driven by an in-vehicle battery such as an electric vehicle or a hybrid vehicle, and particularly shows a charging state during a charging operation to a user of the charging system. The present invention relates to a charging system including means for notifying information.

  When charging an in-vehicle battery of an electrically driven vehicle, if the charging device notifies the user of information indicating a charging status, for example, information indicating completion of charging, the convenience of the charging device is enhanced.

  FIG. 4 shows one example of a conventional charging system that notifies the user of the charging status of the charging device for such an electrically driven vehicle. The charging system shown in FIG. 4 is disclosed in Patent Document 1.

  In FIG. 4, reference numeral 100 denotes an electric drive vehicle, which includes an in-vehicle battery 112 and a drive motor 114, and travels by driving the drive motor 114 with the electric power of the battery 112. The in-vehicle battery 112 is charged by connecting a quick charging device to the quick charging port 116 at a charging station or the like. The battery control unit 130 controls the charge amount and the like at this time. The battery control unit 130 sends a signal indicating the charging status of the battery 112 to the charge notification control unit 140. The charging notification control unit 140 calculates a charging completion time or detects the completion of charging based on a signal indicating the charging status from the battery control unit 130. When the charging notification control unit 140 detects the completion of charging of the in-vehicle battery 12, it sends various operation signals for notifying the completion of charging to the operating unit 142. The actuating unit 142 selectively activates the headlamp 120, the direction indicator 122, the electric open / close door mirror 124, the warning whistle 128, and the like as actuating devices via the signal line 144 according to the received actuating signal. Notify the completion of charging outside the vehicle.

  According to such a charging system, when charging of the in-vehicle battery 112 is completed, for example, by performing a notification operation such as sounding the horn 128 of the vehicle 100 that has been charged or opening and closing the door mirror 114. Since the completion of charging can be notified to the outside of the vehicle, it becomes easy to recognize the completion of charging even when the user of the charging device is outside the vehicle.

  Therefore, if this system is used, the user is relieved from the trouble of confirming the completion of charging by sequentially checking the charging device and the vehicle-mounted monitor. In addition, since the user can confirm the completion of charging earlier, it is possible to improve the operation efficiency of the charging device in the charging station or the like.

  5 and 6 show a second conventional example of a charging system provided with a charging status notification means. FIG. 5 shows the overall configuration of the second conventional system, and FIG. 6 shows the configuration of the charging station 211 of the charging station in FIG. This second conventional system is disclosed in Patent Document 2.

  As shown in FIGS. 5 and 6, the second conventional charging system includes a charging station 211 of a charging station, a short-range wireless communication network 213, the Internet 214, an information management center 212, and a user's mobile phone terminal. It is composed of the Internet 214 and a portable terminal 217 capable of transmitting information. The charging station 211 of the charging station is connected to the information management center 212 via the short-range wireless communication network 213 and the Internet 214. The information management center 212 has a user database 212a and manages information about users. doing. The information management center 212 can communicate with the charging station 211 of the charging station via the Internet 214 and can communicate with the user's portable terminal 217. Therefore, the information management center 212 communicates with the charging station 211 of the charging station to obtain user information, searches the information from the user database 212a to identify the user, and uses the charging station 211. Collect the charging status of the user. Thereby, the mail address of the user's mobile phone terminal registered in advance can be confirmed, and the charging status can be notified to the user by a notification means such as an e-mail.

  As shown in FIG. 6, the user information from the charging station 211 of the charging station is identification information owned by the user by using an IC card reader 223 or the like provided in the charging station 211 when the charging station 211 is used. Can be obtained by reading the identification information from the IC identification card in which is recorded. The charging stand 211 transmits, in addition to the IC card reader 223, a charging status detection unit 221 that detects a charging status at the time of charging the on-vehicle battery of the vehicle, and information indicating the charging status detected by the charging status detection unit 221. The charging information transmission part 222 and the charging power control part 224 which controls the charging power supplied to the vehicle-mounted battery of the electrically driven vehicle 215 from the charging stand 211 are provided.

  According to this charging system, when charging a vehicle-mounted battery of an electrically driven vehicle using a charging station of a charging station, information indicating a charging status such as completion of charging is transmitted via the short-range wireless communication network 213 and the Internet 214. Are collected in the information management center 214 and notified to the user's portable terminal 217 by e-mail from the information management center 214 via the Internet 214. Therefore, the user needs to be near the charging station or his / her vehicle. In addition, it is possible to receive a notification of the charging status at a place away from these, and it is possible to effectively use the standby time during charging, thereby improving convenience.

JP 2011-223689 A Japanese Patent Laid-Open No. 2001-167041

  Since the configuration of the first conventional charging system does not use a special communication means for communicating with the outside, the configuration is simple and it is not necessary to provide a special function on the charging stand side. There is an advantage that there is no need to incur extra costs. However, in order to recognize the charging status, it is necessary to wait in a range where the electrically driven vehicle that is being charged is visible or a range where the horn can be heard from this vehicle.

In addition, in the configuration of the second conventional charging system, the user can be notified of the charging status with a portable terminal or the like owned by the user, so the charging status can be recognized no matter where you are waiting while charging the in-vehicle battery. As a result, the degree of freedom in utilizing the standby time during charging is increased, and the convenience is greatly improved. However, there are the following problems.
(1) Since it is assumed that the charging station is connected to an information management center (or information management server) via a network, a high-grade function is required for the charging station, and there is a problem that costs increase when using it. is there.
(2) When a function is added to an existing charging station that is not connected to a network, not only is it difficult to cope with it, but there is a problem that considerable cost is required even if it can be accommodated.
(3) There is also a problem that it cannot be used when using a rental car or not having a mobile terminal such as a mobile phone terminal.

  In order to solve various problems in such a conventional system, the object of the present invention is not to connect the charging station to the network of the information management system, and to carry the mobile phone regardless of whether the vehicle owns the vehicle or the rental car. To provide a charging system with high convenience, simple configuration, and low installation cost, which can receive a notification of charging status even in a place far away from the vehicle even if the terminal is not owned .

  In order to solve the above-described problems, the present invention provides a charging system for an electric drive vehicle having an electric drive mechanism driven by a vehicle-mounted battery, a charging stand connected to the vehicle-mounted battery of the vehicle, A charging status transmitting unit that detects a charging status and wirelessly transmits information indicating the detected charging status and a portable wireless receiving terminal that receives a transmission signal from the transmitting unit are provided, and the portable wireless receiving terminal is charged with the charging It is characterized by being mounted on the stand so that it can be carried.

  In the present invention, it is preferable that terminal storage means that can lock the door that opens and closes the entrance / exit of the mobile terminal is attached, and the mobile radio reception terminal is stored in the terminal storage means. The locked state can be controlled in conjunction with the charging operation of the charging stand.

  Furthermore, in the present invention, after completion of charging, until it is confirmed that the portable wireless receiving terminal is stored in the terminal storing means, the electric drive vehicle charging the charging cable of the charging stand; You can also lock the connection so that it cannot be released.

  According to the charging system of the present invention, the charging stand is equipped with a portable wireless reception terminal configured to be portable by a user who receives information indicating the charging status transmitted from the charging stand by the charging status transmission means. When the user leaves the vehicle being charged, the user can be notified of the charging status even in a place where the vehicle is not visible by carrying the portable wireless receiving terminal. For this reason, regardless of whether the vehicle used is a owned vehicle or a rental car, and anyone can receive a charge status notification regardless of whether the user owns a mobile phone terminal or not. This can improve the convenience of using the charging stand. Furthermore, since an information management network using the Internet or the like is not required, a charging system that notifies the charging status can be configured simply and inexpensively.

The block block diagram which shows the 1st Example of this invention. The block block diagram which shows the 2nd Example of this invention. The external view which shows the structural example of the terminal storage box which accommodates the portable radio | wireless receiving terminal used by 2nd Example of this invention. The block diagram which shows a 1st conventional charging system. The block diagram which shows the 2nd conventional charging system. The block block diagram which shows the structure of the charging stand in a 2nd conventional system.

  Embodiments of the present invention will be described with reference to the embodiments shown in the drawings.

  FIG. 1 shows the configuration of a charging system according to the first embodiment of the present invention.

  In FIG. 1, reference numeral 10 denotes a charging stand installed at a charging station that charges an in-vehicle battery of an electrically driven vehicle. The charging stand 10 is charged by monitoring a charging state of the charging power supply unit 12 and a charging power supply unit 12 for supplying charging power to an electrically driven vehicle that performs charging (not shown) via a charging cable 11. A charging control unit 13 that controls electric power and the like, and a charging status transmission unit 14 that transmits information indicating the charging status transmitted from the charging control unit 13 as a radio (radio wave) signal via the antenna 15 are provided.

  In addition, the charging stand 10 is provided with a portable wireless receiving terminal 16 configured to be portable so as to receive a wireless signal transmitted from the charging status transmitter 14. The portable wireless reception terminal 16 has a correspondence relationship with the charging station 10 provided in advance. For example, a unique address code is assigned to each charging stunt 10, and when information indicating the charging status is transmitted from the charging stand 10, this address code is added to this information and transmitted as one transmission signal. Then, the address code of the charging station 10 provided in the receiving terminal 16 is set, and the receiving terminal 16 sets the address code that matches the address code set in itself from the transmission signals transmitted from the charging station 10. If only the transmission signal including is received, the charging station 10 and the portable radio receiving terminal 10 can be made to correspond one-to-one.

  A charging operation in the charging system of the present invention configured as described above will be described.

  The user of the charging service brings his / her electric drive vehicle to the charging station 10 installed at the charging station, and connects the charging connector 11a at the tip of the charging cable 11 to the connector at the charging port of the vehicle, which is necessary for charging. An operation, for example, a charge start button is operated to start charging the in-vehicle battery. When charging cable 11 is connected to the charging vehicle and charging start is commanded by the charging start button, charging control unit 13 detects this and commands charging power supply unit 12 to supply charging power. Thereby, charging power is supplied from the charging power supply unit 12 to the in-vehicle battery of the electrically driven vehicle, and the in-vehicle battery is charged.

  Since it takes time according to the amount of charge required for the in-vehicle battery from the start to completion of charging, the user waits during this time. When the user leaves the vehicle in order to perform his job using this waiting time, the portable wireless reception terminal 16 that is provided so as to be portable to the charging station 10 is taken out of the charging station 10 and carried.

  The charge control unit 13 calculates the SOC of the battery (SOC = remaining charge capacity / full charge capacity (%)), the charge end time, and the like, and monitors the charge status of the in-vehicle battery in each case. In response to this, a control command is given to the charging power supply unit 12 to control the charging power, and information indicating the charging status in each case is sent to the charging status transmission unit 14. When the charging status transmission unit 14 receives the information indicating the charging status from the charging control unit 13, the charging status transmission unit 14 adds its own address code to the information indicating the charging status and uses the mobile radio reception terminal 16 via the antenna 15 as one wireless transmission signal. Send to.

  When the user leaves the vehicle during charging, the user can receive a transmission signal transmitted wirelessly from the charging station 10 by carrying the portable wireless receiving terminal 16 attached to the charging station 10 being used. If it is within the range, even if the station has a plurality of charging stations, only the information indicating the charging status from the charging station 10 being used is received by the portable wireless receiving terminal 16 carried at the destination. From the information indicating the charging status received by the portable wireless receiving terminal 16 carried by the user, the user can surely recognize the charging status such as completion of charging of the own vehicle even at a place away from the charging stand.

  Next, a second embodiment of the present invention will be described with reference to FIGS.

  In the second embodiment, a terminal storage container 20 for storing the portable radio receiving terminal 16 is attached to or inside the main body case 10a of the charging stand 10 shown in the first embodiment.

  As shown in FIG. 3, the terminal storage container 20 is configured by a closed box, and a front / outlet port 22 for inserting / removing the portable wireless reception terminal 16 and a door for opening / closing the outlet / outlet port 22. 23. The door 23 is configured to be locked by a locking mechanism 24 when the entrance / exit 22 is closed.

  In the charging stand 10, a lock control unit 17 that controls locking and unlocking of the lock mechanism 24 of the terminal storage container 20 is provided and connected to the lock mechanism 24. The locking control unit 17 receives an unlocking command or a locking command from the charging control unit 13 according to the charging operation status of the charging stand 10, and controls the locking state of the locking mechanism 24 of the terminal storage container 20. .

  In a standby state where the charging stand 10 is not used, the entrance / exit 22 of the terminal storage container 20 in which the portable wireless reception terminal 16 is stored is closed by the door 23. At this time, the door 23 is locked by the locking mechanism 24 and cannot be opened, so that the portable wireless reception terminal 16 cannot be taken out from the terminal storage container 20.

  When the user starts charging by connecting the charging connector 11a at the tip of the charging cable 11 to the charging port connector of the electrically driven vehicle, the lock control unit 17 causes the charging control unit 13 to perform various states associated with the charging operation. If the information is received and there is information necessary for the locking control, the locking mechanism 24 is controlled according to the information.

  For example, when receiving the signal from the charging control unit 13 that detects the connection between the connector 11a of the charging cable 11 and the connector of the charging port of the vehicle, the locking control unit 17 sends an unlocking signal to the locking mechanism 24, The locking mechanism 12 is unlocked, and the door 24 is unlocked. Further, when the user operates the charging button provided on the charging stand 10, the lock control unit 17 can send an unlocking signal to the locking mechanism 24 by a signal for detecting this.

  When the locking mechanism 24 is unlocked by the locking control unit 17, the door 23 of the terminal storage container 20 can be opened from the outside. Therefore, when the user leaves the vehicle during charging, By opening the door 23, the portable wireless reception terminal 16 stored in the container 20 can be taken out and carried from the loading / unloading port 22.

  When charging is completed, the charging station 10 notifies the terminal 16 carried by the user that charging is complete. The user recognizes this, returns to the charging station 20, and performs an operation for terminating charging, for example, charging. After removing the connector of the cable 11 from the charging port of the vehicle and returning it to the charging stand 20, an operation of returning the portable wireless receiving terminal 16 back into the terminal storage container 20 is performed as the final confirmation operation.

  When charging is completed in this way and the charging control unit 13 detects that the portable radio reception terminal 16 has been placed in the terminal storage container 20, a locking command is sent to the lock control unit 17. Upon receiving this command, the lock control unit 17 sends a lock signal to the lock mechanism 24 of the terminal storage container 20, so that the lock mechanism 24 enters the locked state and locks the door 23. As a result, the door 23 cannot be opened.

  At this time, it is confirmed that the terminal 16 is housed in the terminal storage container 20 and the door 23 is locked even when the charging is completed using the coupling mechanism between the connector 11a of the charging cable 11 and the connector of the charging port of the vehicle. If the mechanism cannot be disconnected unless it is not, the user is prevented from taking the portable radio receiving terminal 16 by mistake.

  In the above description, it has been described that the locking mechanism 24 of the terminal storage container 20 is controlled in conjunction with the connection state between the charging cable of the charging stand and the power receiving port of the vehicle. The lock mechanism 24 can also be controlled in conjunction with the operation or action. For example, when a charging mechanism is attached to the charging stand 10, unlocking or locking of the locking mechanism 24 can be controlled in conjunction with the operation of this charging mechanism.

  If the terminal storage means 20 which accommodates the portable radio | wireless receiving terminal 16 for receiving the notification of a charging condition is attached to the charging stand 10 like this invention, a portable radio | wireless receiving terminal other than the user of a charging stand will be attached. It is possible to prevent people from being treated by people, and it is also possible to operate the charging stand unattended.

  Further, the above description has been made by electrically controlling the locking mechanism 24 of the terminal storage container 20. However, when the charging station where the charging stand is installed is managed by manned personnel, A mechanism for operating with a mechanical key may be provided, and an administrator may manage this key.

  According to the charging system of the present invention, a large-scale network such as the Internet or an information management center is not required, and a portable wireless reception terminal that is provided so as to be portable to the charging station can easily notify the charging status at the charging station. Since it can be received, the configuration of the entire system can be greatly simplified.

  In addition, since there is no need to use a mobile terminal such as a mobile phone owned by the user, there is no need for extra costs such as a communication fee for use. In addition, since there is no need to register personal information, the risk of leakage of personal information can be eliminated.

DESCRIPTION OF SYMBOLS 10: Charging stand 10a: Charging stand main body case 11: Charging cable 12: Charging power supply part 13: Charging control part 14: Charging condition transmission part 15: Transmitting antenna 16: Portable radio | wireless receiving terminal

Claims (4)

  In a charging system for an electrically driven vehicle having an electrically driven mechanism driven by an in-vehicle battery, a charging stand connected to the in-vehicle battery of the vehicle for charging, a charging status of the charging stand is detected, and the detected charging status is indicated A charging status transmitting means for transmitting information wirelessly and a portable wireless receiving terminal for receiving a transmission signal from the transmitting means are provided, and the portable wireless receiving terminal is provided so as to be portable to the charging stand. Electric drive vehicle charging system.   The charging system for an electrically driven vehicle according to claim 1, further comprising: a terminal storage container that allows the door that opens and closes the door to be locked, and the portable wireless reception terminal is stored in the terminal storage container. Electric charging vehicle charging system.   3. The electric drive vehicle charging system according to claim 2, wherein the lock state of the door that opens and closes the outlet of the terminal storage container is controlled in conjunction with the charging operation of the charging stand. Charging system.   The charging system for an electrically driven vehicle according to claim 2 or 3, wherein after the charging cable connected to the electrically driven vehicle of the charging stand is completed, the portable wireless receiving terminal is stored in the terminal storage container, A charging system for an electric drive vehicle, characterized in that the door for opening and closing the entrance / exit of the terminal storage container can be detached from the electric drive vehicle on the condition that the door is closed and locked.

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