JP7361574B2 - vehicle charging system - Google Patents

vehicle charging system Download PDF

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JP7361574B2
JP7361574B2 JP2019203403A JP2019203403A JP7361574B2 JP 7361574 B2 JP7361574 B2 JP 7361574B2 JP 2019203403 A JP2019203403 A JP 2019203403A JP 2019203403 A JP2019203403 A JP 2019203403A JP 7361574 B2 JP7361574 B2 JP 7361574B2
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charging
vehicle
storage battery
maintenance
gun
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JP2021078235A (en
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智成 河合
弘友希 馬渡
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河村電器産業株式会社
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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Description

本発明は、充電スタンドを複数備えた車両充電システムに関する。 The present invention relates to a vehicle charging system including a plurality of charging stations.

車両を充電するために店舗等に設置された充電スタンドは、短時間に充電を実施できるよう大電流で充電する急速充電器を備えたものが普及している。現状の急速充電器は必要な直流出力を生成するための電力変換器や絶縁トランスが組み込まれているため、充電スタンドに単に充電ガンを配置する構成ではなく、大型な装置となっていた。また、充電器の高出力化に伴い、安定した高出力を可能とするために蓄電池が組み込まれることが予想され、更なる大型化が予想されている。
しかしながら、店舗等の充電スペースは広さが限られているし、できれば複数台の車両充電を可能とするために複数の充電スタンドを設置したい要望があり、小型化が望まれている。
そのため、本出願人は特許文献１において、小型化できる充電スタンドを提案した。これは、車両充電のための絶縁トランスを急速充電器からキュービクルに移動することで、充電スタンドの小型化を図ったものであった。 2. Description of the Related Art Charging stations installed in stores and the like for charging vehicles are widely equipped with quick chargers that charge with a large current so that charging can be performed in a short time. Current quick chargers incorporate power converters and isolation transformers to generate the necessary DC output, so they are large devices rather than just a charging gun placed on a charging stand. Furthermore, as the output of chargers increases, it is expected that storage batteries will be incorporated to enable stable high output, and further enlargement is expected.
However, charging spaces such as stores are limited in size, and there is a desire to install multiple charging stations to enable charging of multiple vehicles if possible, and miniaturization is desired.
Therefore, in Patent Document 1, the present applicant proposed a charging stand that can be made smaller. This was an attempt to downsize the charging station by moving the isolation transformer for charging the vehicle from the quick charger to the cubicle.

特開２０１９－１３４５１８号公報JP 2019-134518 Publication

上記特許文献１に記載の充電スタンドは、それまでのものに比べて小型化できた。しかしながら、充電スタンドに蓄電池を備えた場合は大幅な小型化は難しく、更なる小型化が望まれていた。 The charging stand described in Patent Document 1 can be made smaller than previous ones. However, when a charging stand is equipped with a storage battery, it is difficult to significantly reduce the size, and further miniaturization has been desired.

そこで、本発明はこのような問題点に鑑み、急速充電を可能とするために蓄電池を備えても、充電スタンドの小型化を実現できる車両充電システムを提供することを目的としている。 SUMMARY OF THE INVENTION In view of these problems, an object of the present invention is to provide a vehicle charging system that can realize a smaller charging station even if it is equipped with a storage battery to enable rapid charging.

上記課題を解決する為に、請求項１の発明は、車両を充電するための充電ガンを具備した充電スタンドを複数備えた車両充電システムであって、受電設備から供給された交流電力を直流に変換するＡＣ／ＤＣ変換部と、前記ＡＣ／ＤＣ変換部の直流出力を、電力変換して前記充電ガンを介して車両に供給可能とする電力変換器と、急速充電を可能とするための蓄電池と、前記充電ガンと通信する第１通信部と、個々の前記充電ガンによる充電を制御する主制御部と、を収容する集中蓄電池盤を有し、前記集中蓄電池盤は、電気錠を備えたメンテナンスするための扉と、何れかの前記充電ガンが車両充電中であれば前記電気錠の解錠を不可とすると共に、前記電気錠が解錠状態にある間は、前記充電ガンによる充電を禁止するインターロック制御部と、メンテナンスを可能とするためにメンテナンス予約する予約設定部とを有し、前記インターロック制御部は、前記予約設定部が操作されてメンテナンス予約されると、未使用の前記充電ガンの使用を禁止すると共に、現在充電中の前記充電ガンは充電が終了したら次の充電を禁止することを特徴とする。
この構成によれば、集中蓄電池盤に電力変換器及び急速充電を可能とする蓄電池を配置したことで、充電スタンドには充電ガンと第２通信部を配置するだけで良く、充電スタンドを小型にでき省スペースで設置できる。また、電力変換器と蓄電池が１カ所に配置されるため、メンテナンスがし易くなる。
加えて、充電スタンドには電力変換器や蓄電池が収容されていないため、車両が充電スタンドに衝突しても、発火や感電等が発生し難くなる。
更に、集中蓄電池盤をメンテナンスする際に、充電ガンを備えた充電スタンドから集中蓄電池盤が離れていて状況を把握できなくても、集中蓄電池盤を安全にメンテナンスできる。
また、予約設定部を操作すれば、全ての充電ガンは次の充電ができなくなる。よって、一定時間が経過したら集中蓄電池盤のメンテナンスが可能となり、充電ガンが使われ続けることでメンテナンスができない事態を防止できる。 In order to solve the above problem, the invention of claim 1 provides a vehicle charging system that includes a plurality of charging stands each equipped with a charging gun for charging a vehicle, which converts AC power supplied from power receiving equipment into DC power. an AC/DC converter for converting, a power converter for converting the DC output of the AC/DC converter into power so that it can be supplied to the vehicle via the charging gun, and a storage battery for enabling quick charging. and a first communication unit that communicates with the charging gun, and a main control unit that controls charging by each of the charging guns, and the centralized storage battery board is equipped with an electric lock. A door for maintenance and one of the charging guns disables the electric lock from being unlocked when the vehicle is being charged, and charging by the charging gun is prohibited while the electric lock is in the unlocked state. It has an interlock control section that prohibits maintenance, and a reservation setting section that makes maintenance reservations to enable maintenance. The present invention is characterized in that the use of the charging gun is prohibited, and the charging gun currently being charged is prohibited from being charged next time.
According to this configuration, by arranging the power converter and the storage battery that enables quick charging in the centralized storage battery board, it is only necessary to place the charging gun and the second communication part in the charging stand, making the charging stand smaller. It can be installed in a space-saving manner. Furthermore, since the power converter and storage battery are located in one place, maintenance becomes easier.
In addition, since the charging stand does not house a power converter or a storage battery, even if a vehicle collides with the charging stand, it is less likely that a fire or electric shock will occur.
Furthermore, when maintaining the centralized storage battery panel, the centralized storage battery panel can be maintained safely even if the situation cannot be grasped because the centralized storage battery panel is far away from the charging stand equipped with the charging gun.
Also, if you operate the reservation setting section, all charging guns will not be able to perform the next charge. Therefore, maintenance of the central storage battery board becomes possible after a certain period of time has elapsed, and a situation where maintenance cannot be performed due to continued use of the charging gun can be prevented.

請求項２の発明は、請求項１に記載の構成において、充電スタンドには、車両と集中蓄電池盤との間の通信を中継する第２通信部が設けられて成ることを特徴とする。
この構成によれば、充電スタンドが車両と集中蓄電池盤との間の通信を中継するため、充電スタンドにおいて充電状況を把握することが可能となる。 The invention according to claim 2 is characterized in that, in the configuration according to claim 1, the charging station is provided with a second communication section that relays communication between the vehicle and the centralized storage battery board.
According to this configuration, since the charging station relays communication between the vehicle and the centralized storage battery board, it becomes possible to grasp the charging status at the charging station.

本発明によれば、集中蓄電池盤に電力変換器及び蓄電池を配置したことで、充電スタンドには充電ガンと第２通信部を配置するだけで良く、充電スタンドを小型にでき省スペースで設置できる。また、電力変換器と蓄電池が１カ所に配置されるため、メンテナンスがし易くなる。加えて、充電スタンドには電力変換器や蓄電池が収容されていないため、車両が充電スタンドに衝突しても、発火や感電等が発生し難くなる。 According to the present invention, by arranging the power converter and the storage battery in the centralized storage battery board, it is only necessary to arrange the charging gun and the second communication part in the charging stand, and the charging stand can be made smaller and can be installed in a space-saving manner. . Furthermore, since the power converter and storage battery are located in one place, maintenance becomes easier. In addition, since the charging stand does not house a power converter or a storage battery, even if a vehicle collides with the charging stand, it is less likely that a fire or electric shock will occur.

本発明に係る車両充電システムの一例を示す構成図である。1 is a configuration diagram showing an example of a vehicle charging system according to the present invention.

以下、本発明を具体化した実施の形態を、図面を参照して詳細に説明する。図１は本発明に係る車両充電システムの一例を示す構成図であり、受電設備１０から電力供給を受ける１台の集中蓄電池盤１、車両に接続される充電ガン２を備えた複数の充電スタンド３を備えている。集中蓄電池盤１は金属製の箱体に所定の機器が収容されて構成され、充電スタンド３は、充電される車両の駐車スペース毎に立設されている。
集中蓄電池盤１と個々の充電スタンド３とは、電力ケーブルＬ１と通信線Ｌ２とで接続されている。 Hereinafter, embodiments embodying the present invention will be described in detail with reference to the drawings. FIG. 1 is a configuration diagram showing an example of a vehicle charging system according to the present invention, in which one centralized storage battery panel 1 receives power from a power receiving facility 10, and a plurality of charging stations each include a charging gun 2 connected to a vehicle. It has 3. The centralized storage battery board 1 is constructed by housing predetermined equipment in a metal box, and the charging stand 3 is installed in each parking space of a vehicle to be charged.
The centralized storage battery panel 1 and the individual charging stations 3 are connected by a power cable L1 and a communication line L2.

集中蓄電池盤１は、受電設備１０から供給される交流電力を直流に変換するＡＣ／ＤＣコンバータ１１、蓄電池１２、充電スタンド３毎に割り当てられた複数の電力変換器としてのＤＣ／ＤＣコンバータ１３、図示しない扉に設けられている電気錠１４、メンテナンス予約する予約設定部１５、充電スタンド３と通信する第１通信部１６、集中蓄電池盤１を制御する主制御部１７等を備えている。 The centralized storage battery panel 1 includes an AC/DC converter 11 that converts AC power supplied from the power receiving equipment 10 into direct current, a storage battery 12, a DC/DC converter 13 as a plurality of power converters assigned to each charging station 3, It includes an electric lock 14 provided on a door (not shown), a reservation setting section 15 for making maintenance reservations, a first communication section 16 for communicating with the charging station 3, a main control section 17 for controlling the centralized storage battery board 1, and the like.

主制御部１７は、充電スタンド３を介して車両（図示せず）と通信して制御情報を入手し、充電を制御する。また、電気錠１４の施錠／解錠を制御するし、予約設定部１５の操作を受けて充電ガン２を制御する。 The main control unit 17 communicates with a vehicle (not shown) via the charging stand 3 to obtain control information and controls charging. It also controls locking/unlocking of the electric lock 14, and controls the charging gun 2 in response to the operation of the reservation setting section 15.

充電スタンド３は、充電中の車両と充電ガン２を介して通信すると共に集中蓄電池盤１と通信し、車両と集中蓄電池盤１との間の通信を中継する第２通信部３１を備えている。 The charging station 3 includes a second communication unit 31 that communicates with the vehicle being charged via the charging gun 2 and also communicates with the centralized storage battery board 1 and relays communication between the vehicle and the centralized storage battery board 1. .

上記の如く構成された車両充電システムは以下のように動作する。まず主制御部１７は、充電中の車両が無く、蓄電池１２の蓄電量が満充電状態に無い場合は、受電設備１０の電力により蓄電池１２を充電する。こうして、複数の車両の同時充電がなされて大きな電力を必要とする場合に、蓄電池１２からも電力を出力させることで、受電設備１０に負担をかけること無く車両の急速充電を可能としている。
また主制御部１７は、充電中は第２通信部３１を介して車両と通信し、充電スタンド３毎に車両からの制御信号を受けて充電電力を制御する。 The vehicle charging system configured as described above operates as follows. First, the main control unit 17 charges the storage battery 12 with the power of the power receiving equipment 10 if there is no vehicle being charged and the storage battery 12 is not fully charged. In this way, when a plurality of vehicles are charged simultaneously and a large amount of electric power is required, by outputting electric power from the storage battery 12, it is possible to quickly charge the vehicles without putting a burden on the power receiving equipment 10.
Also, during charging, the main control unit 17 communicates with the vehicle via the second communication unit 31, and controls charging power in response to a control signal from the vehicle for each charging station 3.

次に、集中蓄電池盤１をメンテナンスする場合を説明する。メンテナンスは全ての充電スタンド３が待ち受け状態の時、即ち充電ガン２が車両を充電していない時に実施するのが安全上望ましいし、メンテナンス時に充電が行われないようインターロック機能が設けられている。
具体的に、まず扉を開けよう電気錠１４の解錠操作をした際に、何れかの充電スタンド３の充電ガン２が使用中で車両の充電が成されている場合は、主制御部１７がそれを認識して解錠を不可とする。結果、解錠できずメンテナンスを行うことができない。
但し、全ての充電スタンド３が使用されていなければ、主制御部１７がそれを認識して解錠制御を実施する。結果、電気錠１４は解錠動作してメンテナンスが可能となる。 Next, the case where the centralized storage battery board 1 is maintained will be explained. It is desirable for safety to perform maintenance when all charging stations 3 are in standby mode, that is, when charging guns 2 are not charging the vehicle, and an interlock function is provided to prevent charging from occurring during maintenance. .
Specifically, when the electric lock 14 is first unlocked to open the door, if the charging gun 2 of any charging station 3 is in use and the vehicle is being charged, the main control unit 17 recognizes this and makes unlocking impossible. As a result, the lock cannot be unlocked and maintenance cannot be performed.
However, if all the charging stations 3 are not in use, the main control unit 17 recognizes this and performs unlocking control. As a result, the electric lock 14 is unlocked and maintenance can be performed.

主制御部１７は、解錠後も電気錠１４を監視し、解錠状態にある限り充電スタンド３の機能をロックして、充電しようと操作されても充電を禁止して電流を通電しない。
そして、メンテナンスが終了して扉を閉じて電気錠１４が施錠操作されると、主制御部１７は施錠し、充電スタンド３のロックを解除する。こうして、車両の充電が可能となる。 The main control unit 17 monitors the electric lock 14 even after the lock is unlocked, and locks the function of the charging stand 3 as long as it is in the unlocked state, prohibits charging and does not supply current even if an operation is made to charge.
Then, when the maintenance is completed and the door is closed and the electric lock 14 is locked, the main control unit 17 locks and unlocks the charging stand 3. In this way, charging of the vehicle becomes possible.

一方、メンテナンスを必要とする時に充電スタンド３が使用中であり、メンテナンスする機会を得にくい場合は、予約設定部１５が操作される。
予約設定部１５が操作されてメンテナンス予約されると、主制御部１７の制御により、まず未使用の充電スタンド３はロックされて、充電禁止の状態となる。また、車両充電中の充電スタンド３は、充電終了を待ち、充電が終了した時点でロックし、その後の充電を禁止する。
この結果、予約設定部１５を操作した時点で充電中の車両の充電が終了したら、集中蓄電池盤１のメンテナンスが可能となる。その後、メンテナンスが終了して閉扉され、電気錠１４が施錠されたらロックが解除され、車両の充電が可能となる。 On the other hand, if the charging station 3 is in use when maintenance is required and it is difficult to obtain an opportunity for maintenance, the reservation setting section 15 is operated.
When the reservation setting unit 15 is operated to make a maintenance reservation, under the control of the main control unit 17, the unused charging stations 3 are first locked and placed in a state where charging is prohibited. Further, the charging stand 3 that is charging the vehicle waits for charging to end, and locks at the time when charging ends, prohibiting further charging.
As a result, once the charging of the vehicle that is being charged at the time when the reservation setting section 15 is operated is completed, maintenance of the centralized storage battery panel 1 becomes possible. Thereafter, when the maintenance is completed, the door is closed, and the electric lock 14 is locked, the lock is released and the vehicle can be charged.

このように、集中蓄電池盤１にＤＣ／ＤＣコンバータ１３及び急速充電を可能とする蓄電池１２を配置したことで、充電スタンド３には充電ガン２と第２通信部３１を配置するだけで良く、充電スタンド３を小型にでき省スペースで設置できる。また、ＤＣ／ＤＣコンバータ１３と蓄電池１２が１カ所に配置されるため、メンテナンスがし易くなる。
また、充電スタンド３が車両と集中蓄電池盤１との間の通信を中継するため、充電スタンド３において充電状況を把握することが可能となる。
加えて、充電スタンド３にはＤＣ／ＤＣコンバータ１３や蓄電池１２が収容されていないため、車両が充電スタンド３に衝突しても、発火や感電等が発生し難くなる。
また、インターロック機能を備えているため、集中蓄電池盤１をメンテナンスする際に、充電ガン２を備えた充電スタンド３から集中蓄電池盤１が離れていて状況を把握できなくても、集中蓄電池盤１を安全にメンテナンスできる。
更に、予約設定部１５を操作することで、全ての充電ガン２は次の充電ができなくなるため、一定時間が経過したら集中蓄電池盤１のメンテナンスが可能となり、充電ガン２が使われ続けることでメンテナンスができない事態を防止できる。 In this way, by arranging the DC/DC converter 13 and the storage battery 12 that enables rapid charging in the centralized storage battery panel 1, it is only necessary to arrange the charging gun 2 and the second communication unit 31 in the charging stand 3. The charging stand 3 can be made small and can be installed in a space-saving manner. Furthermore, since the DC/DC converter 13 and the storage battery 12 are arranged in one place, maintenance becomes easier.
Further, since the charging station 3 relays communication between the vehicle and the centralized storage battery board 1, it becomes possible to grasp the charging status at the charging station 3.
In addition, since the charging station 3 does not house the DC/DC converter 13 or the storage battery 12, even if a vehicle collides with the charging station 3, ignition, electric shock, etc. are less likely to occur.
In addition, since it is equipped with an interlock function, when performing maintenance on the centralized storage battery panel 1, even if the centralized storage battery panel 1 is far away from the charging stand 3 equipped with the charging gun 2 and the situation cannot be grasped, the centralized storage battery panel 1 can be maintained safely.
Furthermore, by operating the reservation setting section 15, all the charging guns 2 will be disabled from the next charging, so maintenance of the centralized storage battery panel 1 will be possible after a certain period of time, and the charging guns 2 will continue to be used. This can prevent situations where maintenance cannot be performed.

尚、上記実施形態では、第１通信部１６と第２通信部３１とが有線接続されているが、通信線Ｌ２を無くして無線通信としても良い。
また、充電スタンド３に、車両と集中蓄電池盤１との間の通信を中継する第２通信部３１が設けられているが、中継機能を持たずに充電ガン２と集中蓄電池盤１とを直接通信させても良い。
更に、インターロック機能を設けて全ての充電スタンドが使用できない状態でメンテナンスを許可しているが、特定の充電ガン２のみに関わるメンテナンスの場合は、他の充電ガンは充電禁止にせず能動状態にしておいても良いため、インターロックを解除して、特定の充電ガン２への通電を禁止する機能を別途設けても良い。そうすれば、充電スタンド３の利用者に迷惑をかける事態を防ぐことができる。 In the above embodiment, the first communication section 16 and the second communication section 31 are connected by wire, but the communication line L2 may be omitted and wireless communication may be used.
Further, the charging stand 3 is provided with a second communication section 31 that relays communication between the vehicle and the centralized storage battery board 1, but it does not have a relay function and directly connects the charging gun 2 and the centralized storage battery board 1. You can also communicate.
Furthermore, an interlock function is installed to allow maintenance when all charging stations are unavailable, but if maintenance is only related to a specific charging gun 2, other charging guns are kept active instead of being prohibited from charging. Therefore, a function to release the interlock and prohibit energization to a specific charging gun 2 may be separately provided. By doing so, it is possible to prevent a situation from causing trouble to the users of the charging station 3.

１・・集中蓄電池盤、２・・充電ガン、３・・充電スタンド、１１・・ＡＣ／ＤＣコンバータ（ＡＣ／ＤＣ変換部）、１２・・蓄電池、１３・・ＤＣ／ＤＣコンバータ（電力変換器）１４・・電気錠、１５・・予約設定部、１６・・第１通信部、１７・・主制御部（インターロック制御部）、３１・・第２通信部。 1... Centralized storage battery board, 2... Charging gun, 3... Charging stand, 11... AC/DC converter (AC/DC converter), 12... Storage battery, 13... DC/DC converter (power converter) ) 14... Electric lock, 15... Reservation setting section, 16... First communication section, 17... Main control section (interlock control section), 31... Second communication section.

Claims (2)

車両を充電するための充電ガンを具備した充電スタンドを複数備えた車両充電システムであって、
受電設備から供給された交流電力を直流に変換するＡＣ／ＤＣ変換部と、
前記ＡＣ／ＤＣ変換部の直流出力を、電力変換して前記充電ガンを介して車両に供給可能とする電力変換器と、
急速充電を可能とするための蓄電池と、
前記充電ガンと通信する第１通信部と、
個々の前記充電ガンによる充電を制御する主制御部と、を収容する集中蓄電池盤を有し、
前記集中蓄電池盤は、電気錠を備えたメンテナンスするための扉と、
何れかの前記充電ガンが車両充電中であれば前記電気錠の解錠を不可とすると共に、前記電気錠が解錠状態にある間は、前記充電ガンによる充電を禁止するインターロック制御部と、
メンテナンスを可能とするためにメンテナンス予約する予約設定部とを有し、
前記インターロック制御部は、前記予約設定部が操作されてメンテナンス予約されると、未使用の前記充電ガンの使用を禁止すると共に、現在充電中の前記充電ガンは充電が終了したら次の充電を禁止することを特徴とする車両充電システム。 A vehicle charging system comprising a plurality of charging stations each equipped with a charging gun for charging a vehicle,
an AC/DC conversion unit that converts AC power supplied from the power receiving equipment into DC;
a power converter that converts the DC output of the AC/DC converter into power so that it can be supplied to the vehicle via the charging gun;
A storage battery to enable quick charging,
a first communication unit that communicates with the charging gun;
A main control unit that controls charging by each of the charging guns, and a centralized storage battery board that houses the main control unit,
The centralized storage battery panel has a door for maintenance equipped with an electric lock,
an interlock control unit that disables unlocking of the electric lock if any of the charging guns is charging the vehicle, and prohibits charging by the charging gun while the electric lock is in the unlocked state; ,
It has a reservation setting section that makes maintenance reservations to enable maintenance,
When the reservation setting section is operated and a maintenance reservation is made, the interlock control section prohibits the use of the unused charging gun, and prohibits the charging gun currently being charged from starting the next charging after charging is completed. Vehicle charging system characterized by prohibition . 前記充電スタンドには、車両と前記集中蓄電池盤との間の通信を中継する第２通信部が設けられて成ることを特徴とする請求項１記載の車両充電システム。 2. The vehicle charging system according to claim 1, wherein the charging stand is provided with a second communication section that relays communication between the vehicle and the centralized storage battery board.
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