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JP2003262525A - Charging station information providing device - Google Patents

Charging station information providing device

Info

Publication number
JP2003262525A
JP2003262525A JP2002062986A JP2002062986A JP2003262525A JP 2003262525 A JP2003262525 A JP 2003262525A JP 2002062986 A JP2002062986 A JP 2002062986A JP 2002062986 A JP2002062986 A JP 2002062986A JP 2003262525 A JP2003262525 A JP 2003262525A
Authority
JP
Japan
Prior art keywords
charging
charging station
information providing
charger
providing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002062986A
Other languages
Japanese (ja)
Inventor
Tomonaga Sugimoto
智永 杉本
Kenichi Sakai
健一 酒井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP2002062986A priority Critical patent/JP2003262525A/en
Publication of JP2003262525A publication Critical patent/JP2003262525A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34Route searching; Route guidance
    • G01C21/3407Route searching; Route guidance specially adapted for specific applications
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/305Communication interfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/31Charging columns specially adapted for electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/67Controlling two or more charging stations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036Charger exchanging data with battery
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)

Abstract

(57)【要約】 【課題】 到着してから速やかに充電を開始できる充電
スタンドの情報を提供する。 【解決手段】 記憶されている充電スタンドの中から、
電気自動車の現在地周辺に存在する充電スタンドを抽出
し、抽出された充電スタンドの位置と、その充電スタン
ドに設置されている充電器の利用可能情報とを提供す
る。
(57) [Summary] [Problem] To provide information on a charging station that can start charging immediately upon arrival. SOLUTION: From the stored charging stations,
A charging station existing around the current location of the electric vehicle is extracted, and the location of the extracted charging station and availability information of a charger installed in the charging station are provided.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、電気自動車のため
の充電スタンドに関する情報を提供する装置に関する。
FIELD OF THE INVENTION The present invention relates to a device for providing information about a charging station for an electric vehicle.

【0002】[0002]

【従来の技術】電気自動車のバッテリー残量がなくなる
前に充電できるように、現在位置と道路地図データとに
基づいて現在のバッテリー残量で到達可能な充電スタン
ドを探し、その充電スタンドまで乗員を誘導するように
した充電スタンド情報提供装置が開示されている(特開
平09−210702号公報参照)。
2. Description of the Related Art In order to charge an electric vehicle before the battery level is exhausted, a charging station that can be reached with the current battery level is searched for based on the current position and road map data, and passengers are taken to reach the charging station. A charging station information providing device that is guided is disclosed (see Japanese Patent Laid-Open No. 09-210702).

【0003】[0003]

【発明が解決しようとする課題】ところで、電気自動車
のバッテリーを充電するには時間がかかり、充電スタン
ドがあっても他の電気自動車が充電中で充電器が空いて
いなければ充電することができない。したがって、充電
スタンドまで乗員を誘導するだけでは、電気自動車の安
全な運行計画を立てることができないという問題があ
る。
By the way, it takes time to charge the battery of an electric vehicle, and even if there is a charging stand, it cannot be charged unless another electric vehicle is charging and the charger is empty. . Therefore, there is a problem that a safe operation plan of the electric vehicle cannot be prepared only by guiding the occupant to the charging station.

【0004】本発明の目的は、到着してから速やかに充
電を開始できる充電スタンドの情報を提供することにあ
る。
An object of the present invention is to provide information on a charging station that can start charging immediately after arrival.

【0005】[0005]

【課題を解決するための手段】(1) 請求項1の発明
は、充電スタンドの位置を記憶するスタンド位置記憶手
段と、充電スタンドに設置されている充電器ごとの利用
可能情報を入手する充電器情報入手手段と、電気自動車
の現在地を検出する現在地検出手段と、前記スタンド位
置記憶手段に記憶されている充電スタンドの中から、電
気自動車の現在地周辺に存在する充電スタンドを抽出す
るスタンド抽出手段と、前記スタンド抽出手段により抽
出された充電スタンドの位置と、その充電スタンドに設
置されている充電器の利用可能情報とを提供する充電器
情報提供手段とを備える。 (2) 請求項2の充電スタンド情報提供装置の前記利
用可能情報は、充電スタンドに到着後、直ちにまたは所
定時間以内に充電を開始できる利用可能な充電器に関す
る情報である。 (3) 請求項3の充電スタンド情報提供装置は、道路
地図データに基づいて現在地から充電スタンドまでの経
路を探索するスタンド経路探索手段を備え、前記充電器
情報提供手段によって、充電スタンドの位置、その充電
スタンドに設置されている充電器の利用可能情報、およ
びその充電スタンドまでの経路を提供するようにしたも
のである。 (4) 請求項4の充電スタンド情報提供装置は、電気
自動車のバッテリーの残容量を検出する残容量検出手段
と、道路地図データに基づいて現在地から目的地までの
経路を探索する目的地経路探索手段と、前記目的地まで
の経路に沿って現在地から目的地まで走行するためのバ
ッテリーの必要容量を推定する必要容量推定手段と、バ
ッテリーの前記残容量と前記必要容量とに基づいてバッ
テリーを充電せずに目的地まで走行可能か否かを判定す
る走行判定手段とを備え、前記充電器情報提供手段によ
って、前記走行判定手段によりバッテリーの前記残容量
では目的地まで走行できないと判定された場合に、充電
スタンドに到着後、直ちにまたは所定時間以内に充電を
開始でき、且つ少なくとも前記必要容量まで充電可能な
充電器に関する情報を提供するようにしたものである。 (5) 請求項5の充電スタンド情報提供装置は、前記
充電器情報提供手段によって、バッテリーの前記残容量
から前記必要容量までの所要充電時間と、前記残容量か
ら満充電容量までの所要充電時間とを演算して提供する
ようにしたものである。 (6) 請求項6の充電スタンド情報提供装置は、前記
利用可能な充電器の中から乗員により選択された充電器
に対して利用予約を行う充電予約手段を備える。 (7) 請求項7の充電スタンド情報提供装置は、前記
充電器情報提供手段によって、道路地図データからバッ
テリーの充電中に利用可能な施設の情報を抽出し提供す
るようにしたものである。 (8) 請求項8の発明は、充電スタンドを管理する管
理センターと電気自動車の車載情報端末とから成る充電
スタンド情報提供装置であって、前記管理センターは、
充電スタンドの位置を記憶するスタンド位置記憶手段
と、充電スタンドに設置されている充電器ごとの利用可
能情報を入手する充電器情報入手手段とを備え、充電ス
タンドの位置と、その充電スタンドに設置されている充
電器の利用可能情報とを無線通信により前記車載情報端
末へ配信する。 (9) 請求項9の充電スタンド情報提供装置の前記車
載情報端末は、電気自動車の現在地を検出する現在地検
出手段を備え、検出した現在地を前記管理センターへ送
信し、前記管理センターは、前記スタンド位置記憶手段
に記憶されている充電スタンドの中から、電気自動車の
現在地周辺に存在する充電スタンドを抽出するスタンド
抽出手段を備え、抽出された充電スタンドの位置と、そ
の充電スタンドに設置されている充電器の利用可能情報
とを配信する。 (10) 請求項10の充電スタンド情報提供装置の前
記利用可能情報は、充電スタンドに到着後、直ちにまた
は所定時間以内に充電を開始できる利用可能な充電器に
関する情報である。 (11) 請求項11の充電スタンド情報提供装置の前
記車載情報端末は、道路地図データに基づいて現在地か
ら充電スタンドまでの経路を探索するスタンド経路探索
手段を備え、充電スタンドの位置、その充電スタンドに
設置されている充電器の利用可能情報、およびその充電
スタンドまでの経路を提供する。 (12) 請求項12の充電スタンド情報提供装置の前
記車載情報端末は、電気自動車のバッテリーの残容量を
検出する残容量検出手段と、道路地図データに基づいて
現在地から目的地までの経路を探索する目的地経路探索
手段と、前記目的地までの経路に沿って現在地から目的
地まで走行するためのバッテリーの必要容量を推定する
必要容量推定手段と、バッテリーの前記残容量と前記必
要容量とに基づいてバッテリーを充電せずに目的地まで
走行可能か否かを判定する走行判定手段とを備え、前記
走行判定手段によりバッテリーの前記残容量では目的地
まで走行できないと判定された場合に、充電スタンドに
到着後、直ちにまたは所定時間以内に充電を開始でき、
且つ少なくとも前記必要容量まで充電可能な充電器に関
する情報を提供する。 (13) 請求項13の充電スタンド情報提供装置の前
記車載情報端末は、バッテリーの前記残容量から前記必
要容量までの所要充電時間と、前記残容量から満充電容
量までの所要充電時間とを演算して提供する。 (14) 請求項14の充電スタンド情報提供装置の前
記車載情報端末は、前記利用可能な充電器の中から乗員
により選択された充電器の情報を前記管理センターへ送
信し、前記管理センターは、前記乗員により選択された
充電器に対して利用予約を行う。 (15) 請求項15の充電スタンド情報提供装置の前
記車載情報端末は、道路地図データからバッテリーの充
電中に利用可能な施設の情報を抽出し提供する。
[Means for Solving the Problems] (1) The invention of claim 1 is a stand position storing means for storing the position of a charging stand, and a charging for obtaining availability information for each charger installed in the charging stand. Station information obtaining means, a current location detecting means for detecting the current location of the electric vehicle, and a stand extracting means for extracting a charging station existing around the current location of the electric vehicle from among the charging stations stored in the stand position storing means. And a charger information providing means for providing the position of the charging stand extracted by the stand extracting means and the availability information of the charger installed in the charging stand. (2) The availability information of the charging station information providing device according to claim 2 is information about a usable charger that can start charging immediately or within a predetermined time after arriving at the charging station. (3) The charging station information providing device according to claim 3 comprises a station route searching means for searching a route from the current position to the charging station based on the road map data, and the charger information providing means causes the position of the charging station, It provides the availability information of the charger installed in the charging station and the route to the charging station. (4) A charging station information providing device according to claim 4 is a remaining capacity detecting means for detecting a remaining capacity of a battery of an electric vehicle, and a destination route search for searching a route from a present location to a destination based on road map data. Means, a required capacity estimating means for estimating the required capacity of the battery for traveling from the present location to the destination along the route to the destination, and charging the battery based on the remaining capacity of the battery and the required capacity. If the battery charger information providing means determines that the vehicle cannot travel to the destination with the remaining capacity of the battery, the travel determining means determines whether or not the vehicle can travel to the destination. In addition, information on a charger that can start charging immediately or within a predetermined time after arriving at a charging stand and can charge at least the required capacity. Is provided. (5) The charging station information providing device according to claim 5, wherein the charger information providing unit causes a required charging time from the remaining capacity of the battery to the required capacity and a required charging time from the remaining capacity to the full charge capacity. And is calculated and provided. (6) A charging station information providing device according to a sixth aspect includes a charging reservation unit that makes a reservation for use with a charger selected by an occupant from the available chargers. (7) In the charging station information providing device of the seventh aspect, the charger information providing means extracts and provides information on facilities that can be used during charging of the battery from the road map data. (8) The invention of claim 8 is a charging station information providing device comprising a management center for managing a charging station and an in-vehicle information terminal of an electric vehicle, wherein the management center comprises:
It is provided with a stand position storing means for storing the position of the charging stand and a charger information obtaining means for obtaining available information for each charger installed in the charging stand, and is installed at the position of the charging stand and the charging stand. The available information on the charger that has been stored is distributed to the vehicle-mounted information terminal by wireless communication. (9) The vehicle-mounted information terminal of the charging station information providing device according to claim 9 includes a current location detecting unit that detects a current location of the electric vehicle, and transmits the detected current location to the management center, and the management center causes the station to operate. From the charging stations stored in the position storage means, there is provided a station extracting means for extracting a charging station existing around the current location of the electric vehicle, and the position of the extracted charging station and the installed charging station. Deliver charger availability information. (10) The availability information of the charging station information providing device according to claim 10 is information regarding a usable charger that can start charging immediately or within a predetermined time after arriving at the charging station. (11) The vehicle-mounted information terminal of the charging station information providing device according to claim 11 includes station route searching means for searching a route from the current location to the charging station based on road map data, the position of the charging station, and the charging station thereof. Provides information on the availability of chargers installed at and their routes to charging stations. (12) The vehicle-mounted information terminal of the charging station information providing device according to claim 12 searches a route from the present location to a destination based on road map data, and a remaining capacity detection unit that detects the remaining capacity of the battery of the electric vehicle. The destination route searching means, the required capacity estimating means for estimating the required capacity of the battery for traveling from the current location to the destination along the route to the destination, and the remaining capacity of the battery and the required capacity. And a traveling determination unit that determines whether or not the vehicle can travel to the destination without charging the battery, and when the traveling determination unit determines that the remaining capacity of the battery cannot travel to the destination, charging is performed. After arriving at the stand, you can start charging immediately or within a predetermined time,
And providing information on a charger capable of charging at least the required capacity. (13) The vehicle-mounted information terminal of the charging station information providing device according to claim 13 calculates a required charging time from the remaining capacity of the battery to the required capacity and a required charging time from the remaining capacity to the full charge capacity. And then provide. (14) The vehicle-mounted information terminal of the charging station information providing device according to claim 14, transmits information of a charger selected by an occupant from the available chargers to the management center, and the management center, A reservation is made for the charger selected by the passenger. (15) The vehicle-mounted information terminal of the charging station information providing device according to claim 15 extracts and provides information on facilities that can be used during charging of the battery from the road map data.

【0006】[0006]

【発明の効果】本発明によれば、到着してから速やかに
充電を開始できる充電スタンドの情報を提供することが
でき、充電スタンド情報利用者の利便性が向上する。
As described above, according to the present invention, it is possible to provide information on the charging station that can start charging immediately after arrival, and the convenience of the charging station information user is improved.

【0007】[0007]

【発明の実施の形態】一実施の形態の充電スタンド情報
提供装置は、電気自動車ごとに搭載される複数の車載装
置と、充電スタンド管理センターと、複数の充電スタン
ドから構成される。
BEST MODE FOR CARRYING OUT THE INVENTION A charging station information providing device according to an embodiment includes a plurality of vehicle-mounted devices mounted on each electric vehicle, a charging station management center, and a plurality of charging stations.

【0008】図1は一実施の形態の車載装置の構成を示
す。三相交流モーター1は電気自動車の走行駆動源であ
り、減速機2とプロペラシャフト3a、3bを介して駆
動輪4a、4bを駆動する。インバーター5はバッテリ
ー6の直流電力を三相交流電力に変換し、モーター1に
印加する。
FIG. 1 shows the configuration of an on-vehicle device according to one embodiment. The three-phase AC motor 1 is a traveling drive source of the electric vehicle, and drives the drive wheels 4a and 4b via the speed reducer 2 and the propeller shafts 3a and 3b. The inverter 5 converts the DC power of the battery 6 into three-phase AC power and applies it to the motor 1.

【0009】なお、三相交流モーター1には同期モータ
ーや誘導モーターなどを用いることができる。また、こ
の一実施の形態では電気自動車の走行駆動源として三相
交流モーターを用いた例を示すが、走行駆動源として直
流モーターを用いてもよい。その場合は、インバーター
5の代わりにDC−DCコンバーターを用いる。さら
に、バッテリー6の種類は特に限定されず、例えばリチ
ウム・イオン電池やニッケル・水素電池などを用いるこ
とができる。
A synchronous motor or an induction motor can be used as the three-phase AC motor 1. In this embodiment, a three-phase AC motor is used as the driving source for the electric vehicle, but a DC motor may be used as the driving source. In that case, a DC-DC converter is used instead of the inverter 5. Further, the type of the battery 6 is not particularly limited, and for example, a lithium-ion battery or a nickel-hydrogen battery can be used.

【0010】EV(Electric Vehicle)コントローラー
10はマイクロコンピューターとメモリなどの周辺部品
を備え、アクセルペダル踏み込み量、ブレーキペダル踏
み込み量、車速、バッテリー電圧などに基づいてインバ
ーター5とバッテリー6を制御する。ナビゲーションコ
ントローラー11はマイクロコンピューターとメモリな
どの周辺部品を備え、目的地および充電スタンドまでの
経路探索と経路誘導、自立航法による現在位置検出、道
路地図の表示制御などを行う。
An EV (Electric Vehicle) controller 10 is provided with a microcomputer and peripheral components such as a memory, and controls the inverter 5 and the battery 6 based on the accelerator pedal depression amount, the brake pedal depression amount, the vehicle speed, the battery voltage, and the like. The navigation controller 11 includes a microcomputer and peripheral components such as a memory, and performs route search and route guidance to a destination and a charging station, current position detection by self-contained navigation, and road map display control.

【0011】電圧センサー12はバッテリー6の端子電
圧を検出する。アクセルセンサー13はアクセルペダル
の踏み込み量を、ブレーキセンサー14はブレーキペダ
ルの踏み込み量をそれぞれ検出する。通信装置15は後
述する充電スタンド管理センターと通信を行うための装
置である。GPS受信機16は衛星航法により車両の現
在位置を検出する。入力装置17は、乗員が目的地など
の各種情報を入力したり、充電スタンドの利用可能な充
電器などを選択したり、充電スタンドの利用可能な充電
器の予約などを行う操作入力装置である。
The voltage sensor 12 detects the terminal voltage of the battery 6. The accelerator sensor 13 detects the depression amount of the accelerator pedal, and the brake sensor 14 detects the depression amount of the brake pedal. The communication device 15 is a device for communicating with a charging station management center described later. The GPS receiver 16 detects the current position of the vehicle by satellite navigation. The input device 17 is an operation input device that allows an occupant to input various information such as a destination, select a charger that can use a charging stand, and make a reservation for a charger that can use the charging stand. .

【0012】記憶装置18は道路地図データや施設デー
タなどを記憶するDVD−ROMなどの記憶装置であ
る。方位センサー19は車両の進行方位を検出するジャ
イロなどの検出器であり、車速センサー20は車両の走
行速度を検出する検出器である。ナビゲーションコント
ローラー11は、方位センサー19からの進行方位と車
速センサー20からの車速に基づいて自立航法により車
両の現在位置を検出する。ディスプレイ21は道路地
図、車両の現在地と目的地、目的地までの誘導経路、充
電スタンドの位置などを表示する。
The storage device 18 is a storage device such as a DVD-ROM for storing road map data and facility data. The direction sensor 19 is a detector such as a gyro that detects the traveling direction of the vehicle, and the vehicle speed sensor 20 is a detector that detects the traveling speed of the vehicle. The navigation controller 11 detects the current position of the vehicle by self-contained navigation based on the traveling direction from the direction sensor 19 and the vehicle speed from the vehicle speed sensor 20. The display 21 displays a road map, the current location and destination of the vehicle, a guide route to the destination, the position of the charging station, and the like.

【0013】図2は一実施の形態の充電スタンド管理セ
ンターと充電スタンドの構成を示す。充電スタンド管理
センター30はコンピューター31、データベース3
2、通信装置33、34を備え、多くの充電スタンドを
管理する。コンピューター31は、通信装置33を介し
て図1に示す多くの車載装置と通信を行うとともに、通
信装置34を介して多くの充電スタンドと通信を行う。
DB32には充電スタンドの設置場所、充電器の個数、
現在の各充電器の使用状況と予約状況などの充電器利用
可能情報が記憶されている。
FIG. 2 shows configurations of a charging station management center and a charging station according to one embodiment. The charging station management center 30 is a computer 31, a database 3
2. The communication devices 33 and 34 are provided to manage many charging stands. The computer 31 communicates with many on-vehicle devices shown in FIG. 1 via the communication device 33, and also communicates with many charging stands via the communication device 34.
DB32 has a charging station installation location, number of chargers,
Charger availability information such as the current usage status and reservation status of each charger is stored.

【0014】充電スタンド40は管理装置41、充電器
42、43、通信装置44などを備えている。管理装置
41は、通信装置44を介して管理センター30と通信
を行い、各充電器42、43の使用状況や予約状況など
を管理する。各充電器42、43には電気自動車のコネ
クターへ接続するための充電ケーブル・コネクターの他
に、充電電圧、電流、時間などを表示するディスプレ
イ、充電開始操作スイッチなどが備えられている。
The charging stand 40 includes a management device 41, chargers 42 and 43, a communication device 44 and the like. The management device 41 communicates with the management center 30 via the communication device 44, and manages the usage status and reservation status of each charger 42, 43. Each charger 42, 43 is equipped with a charging cable / connector for connecting to a connector of an electric vehicle, a display for displaying charging voltage, current, time, etc., a charging start operation switch, and the like.

【0015】なお、図2では1つの充電スタンド40の
みを示すが、実際には他に多くの充電スタンドが管理セ
ンター30の管理下にある。以下では、それらの多くの
充電スタンドを代表し、符号40を付して説明する。ま
た、充電スタンド40ごとに設置される充電器の個数は
異なる。さらに、図2では1つの管理センター30のみ
を示すが、管理センター30は地域ごとに設置され、各
地域内に存在する多くの充電スタンド40と結ばれてい
る。以下では、地域ごとに設置される多くの管理センタ
ーを代表し、符号30を付して説明する。管理センター
30と充電スタンド40との間の通信形態は無線であっ
ても有線であっても構わない。
Although only one charging station 40 is shown in FIG. 2, many other charging stations are actually under the control of the management center 30. In the following, a description will be given by using a symbol 40 as a representative of many charging stations. Further, the number of chargers installed for each charging stand 40 is different. Further, although only one management center 30 is shown in FIG. 2, the management center 30 is installed in each area and is connected to many charging stations 40 existing in each area. In the following, a large number of management centers installed in each region are represented and denoted by reference numeral 30 for description. The form of communication between the management center 30 and the charging station 40 may be wireless or wired.

【0016】図3は充電スタンド管理プログラムを示す
フローチャートである。充電スタンド管理センター30
のコンピューター31は、所定時間ごとにこのプログラ
ムを実行する。ステップ1において、管理センター30
が管理する多くの充電スタンド40の内の1つへ通信を
要求する。管理センター30から通信要求を受信した充
電スタンド40は、通信可能な旨を返信する。続くステ
ップ2で、充電スタンド40の管理装置41から返信が
あったか、すなわち通信可能か否かを確認し、通信可能
な場合はステップ4ヘ進み、返信がなく通信不可能なと
きはステップ3へ進む。
FIG. 3 is a flowchart showing the charging station management program. Charging station management center 30
The computer 31 of executes the program every predetermined time. In step 1, management center 30
Requires communication with one of the many charging stations 40 managed by. Upon receiving the communication request from the management center 30, the charging stand 40 returns a message that communication is possible. In the following step 2, it is confirmed whether or not there is a reply from the management device 41 of the charging stand 40, that is, whether communication is possible. If communication is possible, proceed to step 4, and if communication is not possible and there is no response, proceed to step 3. .

【0017】返信がなく通信不可能な場合は、ステップ
3でその充電スタンド40に対して通信要求を開始して
から所定時間が経過したか否かを確認する。すでに所定
時間が経過しているときはステップ1へ戻り、他の充電
スタンド40に対して通信要求を行う。一方、所定時間
が経過していないときはステップ2へ戻り、充電スタン
ド40からの返信を待つ。
If there is no reply and communication is not possible, it is confirmed in step 3 whether or not a predetermined time has passed since the communication request was started to the charging station 40. When the predetermined time has already elapsed, the process returns to step 1 to make a communication request to another charging station 40. On the other hand, when the predetermined time has not elapsed, the process returns to step 2 and waits for a reply from the charging stand 40.

【0018】充電スタンド40から返信があって通信可
能な場合は、ステップ4でその充電スタンド40に設置
されている各充電器42、43に関する利用可能情報を
要求する。これらの利用可能情報には、各充電器42、
43ごとの使用状況や予約状況などが含まれる。各充電
器の利用可能情報を要求された充電スタンド40は、各
充電器42、43の使用状況や予約状況などの利用可能
情報を管理センター30へ送信する。
If there is a reply from the charging station 40 and communication is possible, in step 4, the availability information regarding each of the chargers 42 and 43 installed in the charging station 40 is requested. These available information include each charger 42,
The usage status and reservation status for each 43 are included. The charging station 40 requested for the availability information of each charger transmits the availability information such as the usage status and reservation status of each charger 42, 43 to the management center 30.

【0019】ステップ5において、充電スタンド40か
ら各充電器42、43の使用状況や予約状況などの利用
可能情報を入手し、データーベース32に記憶されてい
る利用可能情報を更新する。ステップ6では、管理下に
あるすべての充電スタンド40から利用可能情報を入手
したか否かを確認し、未入手の充電スタンド40があれ
ばステップ1へ戻って上述した処理を繰り返し、すべて
の充電スタンド40から利用可能情報を入手したら処理
を終了する。
In step 5, availability information such as the usage status and reservation status of each charger 42, 43 is obtained from the charging stand 40, and the availability information stored in the database 32 is updated. In step 6, it is confirmed whether or not the available information is obtained from all the charging stations 40 under management, and if there is an unacquired charging station 40, the process returns to step 1 and the above-mentioned processing is repeated to perform all charging. When the availability information is obtained from the stand 40, the process ends.

【0020】図4は、車載装置のナビゲーションプログ
ラムを示すフローチャートである。図1に示す車載装置
のナビゲーションコントローラー11は、所定時間ごと
にこのプログラムを実行する。ステップ11において、
入力装置17により目的地が設定されたか否かを確認
し、目的地が設定されていない場合は処理を終了する。
FIG. 4 is a flowchart showing the navigation program of the vehicle-mounted device. The navigation controller 11 of the vehicle-mounted device shown in FIG. 1 executes this program at predetermined time intervals. In step 11,
Whether or not the destination has been set is confirmed by the input device 17, and if the destination has not been set, the processing ends.

【0021】目的地が設定された場合はステップ12へ
進み、衛星航法と自立航法により車両の現在地を検出す
る。ステップ13では、記憶装置18に記憶されている
道路地図データに基づいて現在地から目的地までの最適
な経路を探索する。続くステップ14で、ディスプレイ
21に現在地周辺の道路地図を表示するとともに、その
道路地図上に現在地と目的地までの最適な経路を表示
し、目的地までの経路誘導を開始する。ステップ15
で、目的地が設定されたことを示すフラグFに1を設定
して記憶する。なお、走行中に運転者により目的地がキ
ャンセルされた場合には、この目的地設定フラグFが0
にリセットされる。
When the destination is set, the process proceeds to step 12 and the current position of the vehicle is detected by satellite navigation and self-contained navigation. In step 13, an optimum route from the current position to the destination is searched based on the road map data stored in the storage device 18. In a succeeding step 14, the road map around the present location is displayed on the display 21, the optimum route to the present location and the destination is displayed on the road map, and the route guidance to the destination is started. Step 15
Then, the flag F indicating that the destination has been set is set to 1 and stored. If the destination is canceled by the driver while traveling, the destination setting flag F is set to 0.
Is reset to.

【0022】ステップ16において、後述する充電情報
表示プログラムにより車載バッテリー6の充電が予約さ
れているかどうかを確認する。充電が予約されていなけ
れば処理を終了する。充電が予約されている場合はステ
ップ17へ進み、現在地から充電を予約した充電スタン
ド40までの最適な経路を探索する。そして、ステップ
18で充電予約した充電スタンド40とそこまでの探索
経路をディスプレイ21の道路地図上に表示し、充電ス
タンド40までの経路誘導を行う。
In step 16, it is confirmed by the charging information display program described later whether charging of the on-vehicle battery 6 is reserved. If charging is not reserved, the process ends. If charging is reserved, the process proceeds to step 17 to search for an optimum route from the current position to the charging station 40 for which charging is reserved. Then, the charging stand 40 reserved for charging in step 18 and the searched route to the charging stand 40 are displayed on the road map of the display 21 to guide the route to the charging stand 40.

【0023】図5〜図6は、車載装置の充電情報表示プ
ログラムを示すフローチャートである。車載装置のナビ
ゲーションコントローラー11は、所定時間ごとにこの
プログラムを実行する。ステップ21において、目的地
設定フラグFにより目的地が設定されているかどうかを
確認する。目的地が設定されていないときは処理を終了
する。目的地が設定されているときはステップ22へ進
み、衛星航法と自立航法により車両の現在地を検出す
る。
5 to 6 are flowcharts showing the charging information display program of the vehicle-mounted device. The navigation controller 11 of the vehicle-mounted device executes this program every predetermined time. In step 21, it is confirmed whether or not the destination is set by the destination setting flag F. If the destination is not set, the process ends. When the destination is set, the process proceeds to step 22 and the current position of the vehicle is detected by satellite navigation and self-contained navigation.

【0024】ステップ23では、すでに探索されている
誘導経路に沿った現在地から目的地までの残距離を計算
する。続くステップ24で、電圧センサー12によりバ
ッテリー6の端子電圧を検出し、予め記憶装置18に記
憶したバッテリー電圧に対するバッテリー残容量のマッ
プデータからバッテリー電圧検出値に対応するバッテリ
ー残容量を表引き演算する。ステップ25において、誘
導経路に沿って現在地から目的地へ到達するために必要
なバッテリー容量(以下、必要容量という)を計算す
る。
In step 23, the remaining distance from the current position to the destination along the guide route which has already been searched for is calculated. In the following step 24, the terminal voltage of the battery 6 is detected by the voltage sensor 12, and the remaining battery capacity corresponding to the detected battery voltage value is calculated from the map data of the remaining battery capacity with respect to the battery voltage stored in the storage device 18 in advance. . In step 25, the battery capacity required to reach the destination from the current location along the guide route (hereinafter referred to as the required capacity) is calculated.

【0025】必要容量の計算において、最新のバッテリ
ー6の放電容量と走行距離との関係のデータを蓄積して
おき、この実績データに基づいて平均燃料消費量を算出
し、現在地から目的地までの残距離を平均燃費で走行し
た場合の必要容量を求める。なお、予め単位距離あたり
の一義的な平均燃費を記憶しておき、それに残距離を乗
じて必要容量を計算するようにしてもよい。ここで、電
気自動車はバッテリー6の充電電力を消費して走行する
から消費電力量とすべきであるが、従来のガソリン車や
ディーゼル車に対応して、この明細書では電力消費量を
燃料消費量または燃費という。
In the calculation of the required capacity, the latest data on the relationship between the discharge capacity of the battery 6 and the mileage is accumulated, and the average fuel consumption is calculated based on this actual result data. Calculate the required capacity when traveling with the average fuel consumption over the remaining distance. Alternatively, the unique average fuel consumption per unit distance may be stored in advance, and the required capacity may be calculated by multiplying it by the remaining distance. Here, the electric vehicle consumes the charging power of the battery 6 and travels, so it should be the power consumption amount. However, in this specification, the power consumption amount corresponds to the fuel consumption amount in correspondence with the conventional gasoline vehicle and diesel vehicle. It is called quantity or fuel efficiency.

【0026】ステップ26において、バッテリー6の現
在の残容量と目的地までの必要容量とを比較し、現在の
残容量で目的地まで走行できるかどうかを確認する。こ
の判断は、残容量が必要容量以上であれば走行可能とし
てもよいが、目的地へ到着してからある程度の距離は走
行できるように、残容量と必要容量との差が少なくとも
所定容量以上あれば走行可能とするのが望ましい。現在
の残容量で目的地まで走行可能な場合は、充電情報を表
示する必要はないので処理を終了する。
In step 26, the current remaining capacity of the battery 6 is compared with the required capacity up to the destination, and it is confirmed whether the vehicle can travel to the destination with the current remaining capacity. This judgment may be possible if the remaining capacity is equal to or more than the required capacity, but if the difference between the remaining capacity and the required capacity is at least a predetermined capacity or more so that the vehicle can travel a certain distance after reaching the destination. It is desirable to be able to drive. If the current remaining capacity allows the vehicle to travel to the destination, it is not necessary to display the charging information, and the process ends.

【0027】バッテリー6の現在の残容量で目的地まで
走行できない場合はステップ27へ進み、バッテリー6
の現在の残容量から満充電容量まで充電するのに要する
時間を計算する。ここで、満充電容量は予め記憶装置1
8に記憶しておくものとする。次にステップ28で、現
在のバッテリー残容量から必要容量まで充電するのに要
する時間を計算する。
If the current remaining capacity of the battery 6 does not allow the vehicle to travel to the destination, the process proceeds to step 27 and the battery 6
Calculate the time required to charge from the current remaining capacity to the full charge capacity. Here, the full charge capacity is stored in the storage device 1 in advance.
It shall be stored in 8. Next, at step 28, the time required to charge from the current remaining battery capacity to the required capacity is calculated.

【0028】ステップ29において、管理センター30
と通信を行い、現在地周辺の充電スタンド40の充電器
の中から少なくとも必要容量まで充電を行うことができ
る充電器を検索する。具体的には、管理センター30の
記憶装置18に記憶されている充電スタンド40の中か
ら、現在地を中心とする所定範囲内の充電スタンド40
を検索し、それらの充電スタンド40の中で少なくとも
必要容量まですぐに利用できる充電器を選択する。
In step 29, the management center 30
And a charger capable of charging at least the required capacity is searched from the chargers of the charging stand 40 around the current location. Specifically, among the charging stations 40 stored in the storage device 18 of the management center 30, the charging stations 40 within a predetermined range centered on the current location.
, And select a charger that is readily available in those charging stations 40 up to at least the required capacity.

【0029】ただし、すぐに利用できる充電器、あるい
はある程度の時間待ちをすれば利用できる充電器があっ
たとしても、次の充電予約が入っていて空き時間の間に
必要容量まで充電することができない充電器は選択しな
い。また、必要容量までの充電中に営業時間が終了して
しまう充電器も選択しない。つまり、現在地周辺にあっ
て、到着後、直ちにまたは所定時間以内の待ち時間で必
要容量まで充電できる充電器を検索する。
However, even if there is a charger that can be used immediately or a charger that can be used after waiting for a certain period of time, it is possible to charge up to the required capacity during the free time with the next charging reservation. Do not select chargers that cannot. Also, do not select a charger that will end its business hours while charging to the required capacity. That is, a charger that is near the current location and can be charged to the required capacity immediately after arrival or within a waiting time within a predetermined time is searched for.

【0030】なお、充電可能な充電器の検索において、
この実施の形態では管理センター30と通信を行って記
憶装置18のデーターベースを利用する例を示すが、充
電可能な充電器の検索に先だって、管理センター30の
記憶装置18から現在地周辺の充電器の空き情報を予め
入手しておき、それらの充電器の空き情報の中から上記
条件に合致する充電可能な充電器を選択するようにして
もよい。
In searching for a charger that can be charged,
In this embodiment, an example in which the database of the storage device 18 is used by communicating with the management center 30 is shown. However, prior to searching for a rechargeable charger, the storage device 18 of the management center 30 is connected to a charger around the current location. It is also possible to obtain the vacant information in advance and select a rechargeable charger that meets the above conditions from the vacant information of those chargers.

【0031】ステップ30では、選択した充電可能な充
電器をディスプレイ21に表示する。このとき、必要容
量までの所要充電時間、満充電までの所要充電時間、充
電可能な充電器を備えた充電スタンド40までの距離と
所要走行時間などの情報も合わせて表示する。
In step 30, the selected rechargeable charger is displayed on the display 21. At this time, information such as the required charging time to the required capacity, the required charging time to the full charge, the distance to the charging stand 40 equipped with a rechargeable charger and the required traveling time is also displayed.

【0032】図7は充電可能な充電器を備えた充電スタ
ンドの表示例を示す。ディスプレイ21の表示画面に
は、道路地図上に車両の現在地(矢印)マークと充電可
能な充電器を備えた充電スタンドA、Bの位置を表示す
るとともに、充電スタンドA、Bまでの距離、到達時
間、使用状況および予約状況を示すグラフ、満充電まで
の所要充電時間、必要容量までの所要充電時間をそれぞ
れ表示する。使用状況および予約状況を示すグラフは、
三角マークで示す現在時刻以後、使用中および予約が入
っている時間をハッチングで表し、利用可能な空き時間
を白抜きで表す。なお、表示画面下部には「選択」、
「情報検索」、「予約」および「戻り」の操作スイッチ
が配置されている。
FIG. 7 shows a display example of a charging stand equipped with a rechargeable charger. The display screen of the display 21 displays the current location (arrow) mark of the vehicle on the road map and the positions of the charging stations A and B equipped with a rechargeable charger, and the distance to and reaching the charging stations A and B. A graph showing time, usage status and reservation status, charging time required for full charge, and charging time required for required capacity are displayed. The graph showing usage and reservation status is
After the current time indicated by the triangle mark, the time in use and reserved is indicated by hatching, and the available free time is indicated by white. At the bottom of the display screen, "Select",
Operation switches for "information search", "reservation" and "return" are arranged.

【0033】電気自動車の乗員は、図7に示す充電情報
の表示画面を見て、どの充電スタンドを利用するのがよ
いか、その充電スタンドで満充電できるのか必要容量ま
でしか充電できないのか、などを判断することができ
る。乗員が「選択」スイッチを押すたびに、表示画面の
道路地図上の充電スタントA、Bが順次、点滅し、表示
枠が太く強調表示される。
The occupant of the electric vehicle looks at the charging information display screen shown in FIG. 7, which charging station should be used, whether the charging station can be fully charged, or can only be charged to the required capacity. Can be judged. Each time the occupant presses the “select” switch, the charging stunts A and B on the road map on the display screen sequentially blink, and the display frame is highlighted thickly.

【0034】例えば充電スタンドAが点滅し表示枠が太
く強調表示されているときに「情報検索」スイッチが操
作されると、充電スタンドAが利用スタンドに選択さ
れ、充電スタンド情報に代わって図8に示すような充電
スタンドAの周辺施設の情報が表示される。図8に示す
表示例では、道路地図上の充電スタンドAのマークが点
滅して表示枠が太く強調表示されたままになり、充電待
ち時間および充電中に利用可能な充電スタンドAの周辺
の施設、例えばレストランa、パチンコ店bなどの施設
の位置と、それらの施設の詳細な情報が表示される。
For example, when the "information retrieval" switch is operated when the charging station A is blinking and the display frame is highlighted thickly, the charging station A is selected as the usage station, and the charging station information is displayed in place of FIG. Information on the facilities around the charging station A as shown in is displayed. In the display example shown in FIG. 8, the mark of the charging station A on the road map blinks and the display frame remains thickly highlighted, and the facilities around the charging station A that are available during the charging waiting time and charging are displayed. For example, the positions of the facilities such as the restaurant a and the pachinko parlor b and the detailed information of those facilities are displayed.

【0035】ステップ31において、ディスプレイ21
の「情報検索」スイッチが操作され、詳細情報が要求さ
れたか否かを確認し、詳細情報の要求がなければステッ
プ36へ進む。一方、詳細情報の要求があった場合はス
テップ32へ進み、選択した充電器で充電を開始するま
での時間に充電に要する時間を加え、充電スタンドAに
到着してから充電が終了するまでの時間(以下、充電終
了までの時間という)を計算する。
In step 31, the display 21
The "information search" switch is operated to confirm whether or not the detailed information is requested. If there is no request for the detailed information, the process proceeds to step 36. On the other hand, if detailed information is requested, the process proceeds to step 32, where the time required for charging is added to the time required to start charging with the selected charger, and the time from when the vehicle arrives at charging station A until when charging is completed. Calculate the time (hereinafter referred to as the time until the end of charging).

【0036】ステップ33では、記憶装置18に記憶さ
れている施設データから、選択した充電スタンドAの周
辺の娯楽施設や遊技施設、あるいはレストラン、喫茶店
などの、充電終了までの時間中に利用可能な施設を検索
する。続くステップ34で、ディスプレイ21に図8に
示すような充電スタンドA周辺の施設の詳細な情報を表
示する。
In step 33, it is possible to use the facility data stored in the storage device 18 during the time until the end of charging, such as entertainment facilities and gaming facilities around the selected charging station A, restaurants, coffee shops, etc. Search for facilities. In the following step 34, the display 21 displays detailed information on the facilities around the charging station A as shown in FIG.

【0037】ステップ35で乗員が表示画面の「戻り」
スイッチを操作したかどうかを確認し、「戻り」スイッ
チが操作されるまで施設情報の表示を継続する。「戻
り」スイッチが操作されたらステップ36へ進み、乗員
が表示画面の「充電予約」スイッチを操作したかどうか
を確認する。選択した充電器の予約操作がない場合はス
テップ31へ戻り、上述した処理を繰り返す。
At step 35, the occupant "returns" the display screen.
Check if the switch has been operated and continue displaying facility information until the "return" switch is operated. When the "return" switch is operated, the routine proceeds to step 36, where it is confirmed whether the occupant has operated the "charge reservation" switch on the display screen. If there is no reservation operation for the selected charger, the process returns to step 31 and the above-described processing is repeated.

【0038】充電器の予約操作があった場合はステップ
37へ進み、選択した充電器の利用予約情報を充電スタ
ンド管理センター30へ送信する。充電器の利用予約情
報には、利用したい充電スタンドと充電器番号、利用者
のID、利用時間などが含まれる。充電器の利用予約情
報を受信した管理センター30は、利用対象の充電器を
備えた充電スタンド40の管理装置41へ充電器の利用
情報を転送し、充電器の予約を行う。
If there is a reservation operation of the charger, the process proceeds to step 37, and the use reservation information of the selected charger is transmitted to the charging station management center 30. The charger usage reservation information includes a charging station to be used, a charger number, a user ID, a usage time, and the like. The management center 30 which has received the usage reservation information of the charger transfers the usage information of the charger to the management device 41 of the charging stand 40 including the charger to be used, and reserves the usage of the charger.

【0039】このように一実施の形態によれば、充電ス
タンド管理センターにおいて、充電スタンドの位置を記
憶するとともに、充電スタンドに設置されている充電器
ごとの利用可能情報、すなわち充電スタンドに到着後、
直ちにまたは所定時間以内に充電を開始できる利用可能
な充電器に関する情報を入手し、充電スタンドの位置
と、その充電スタンドに設置されている充電器の利用可
能情報とを無線通信により車載装置へ配信し、乗員に提
供するようにしたので、到着してから速やかに充電を開
始できる充電スタンドの情報を提供することができ、充
電スタンド情報利用者の利便性が向上する。
As described above, according to one embodiment, at the charging station management center, the position of the charging station is stored and the availability information for each charger installed in the charging station, that is, after arrival at the charging station. ,
Obtain information about available chargers that can start charging immediately or within a predetermined time, and distribute the location of the charging station and availability information of the chargers installed at that charging station to the in-vehicle device by wireless communication. Since the information is provided to the occupant, it is possible to provide the information of the charging station that can start charging immediately after the arrival, and the convenience of the charging station information user is improved.

【0040】また、一実施の形態によれば、充電スタン
ドの位置、その充電スタンドに設置されている充電器の
利用可能情報、およびその充電スタンドまでの経路を提
供するようにしたので、利用可能な充電器が設置されて
いる充電スタンドを改めて目的地として設定し、経路探
索を行う手間が省略され、充電スタンド情報利用者の利
便性が向上する。
In addition, according to one embodiment, the position of the charging station, availability information of the charger installed in the charging station, and the route to the charging station are provided, so that it can be used. The convenience of the charging station information user is improved by omitting the trouble of setting a charging station where a different charger is installed as a destination and searching for a route again.

【0041】一実施の形態によれば、バッテリーの残容
量では目的地まで走行できないと判定された場合に、充
電スタンドに到着後、直ちにまたは所定時間以内に充電
を開始でき、且つ少なくとも必要容量まで充電可能な充
電器に関する情報を提供するようにしたので、利用可能
な充電器の正確な情報を提供することができ、提供情報
の信頼性を向上させることができる。
According to one embodiment, when it is determined that the remaining capacity of the battery cannot drive to the destination, charging can be started immediately or within a predetermined time after arrival at the charging stand, and at least the required capacity is reached. Since the information on the rechargeable charger is provided, accurate information on the available charger can be provided, and the reliability of the provided information can be improved.

【0042】さらに、一実施の形態によれば、バッテリ
ーの残容量から必要容量までの所要充電時間と、残容量
から満充電容量までの所要充電時間とを演算して提供す
るようにしたので、電気自動車の適切且つ安全な運行計
画を立てることができる。
Further, according to one embodiment, the required charging time from the remaining capacity to the required capacity of the battery and the required charging time from the remaining capacity to the full charging capacity are calculated and provided. It is possible to make an appropriate and safe operation plan for an electric vehicle.

【0043】一実施の形態によれば、利用可能な充電器
の中から乗員により選択された充電器に対して利用予約
を行うようにしたので、乗員が利用予約を行う手間が省
かれ、充電スタンド情報利用者の利便性が向上する。
According to one embodiment, the reservation is made for the charger selected by the occupant from the available chargers, so that the occupant does not have to make a reservation for the use, and the charging is performed. The convenience of the stand information user is improved.

【0044】さらにまた、一実施の形態によれば、道路
地図データからバッテリーの充電中に利用可能な施設の
情報を抽出し提供するようにしたので、利用者はバッテ
リーの充電が終了するまでの待ち時間を有意義に過ごす
ことができる。
Furthermore, according to one embodiment, since the information on the facilities that can be used while the battery is being charged is extracted from the road map data and provided, the user can wait until the battery is completely charged. You can spend the waiting time meaningfully.

【0045】特許請求の範囲の構成要素と一実施の形態
の構成要素との対応関係は次の通りである。すなわち、
データーベース32がスタンド位置記憶手段を、管理セ
ンター30のコンピューター31が充電器情報入手手段
および充電予約手段を、GPS受信機16、方位センサ
ー19、車速センサー20およびナビゲーションコント
ローラー11が現在地検出手段を、ナビゲーションコン
トローラー11がスタンド抽出手段、充電器情報提供手
段、スタンド経路探索手段、目的地経路探索手段、必要
容量推定手段および走行判定手段を、ナビゲーションコ
ントローラー11および電圧センサー12が残容量検出
手段を、ナビゲーションコントローラー11およびディ
スプレイ21が車載情報端末をそれぞれ構成する。な
お、本発明の特徴的な機能を損なわない限り、各構成要
素は上記構成に限定されるものではない。
Correspondence between the constituent elements of the claims and the constituent elements of the embodiment is as follows. That is,
The database 32 is the stand position storage means, the computer 31 of the management center 30 is the charger information acquisition means and the charging reservation means, and the GPS receiver 16, the direction sensor 19, the vehicle speed sensor 20 and the navigation controller 11 are the current location detection means. The navigation controller 11 serves as a stand extracting means, a charger information providing means, a stand route searching means, a destination route searching means, a required capacity estimating means and a travel determining means, and the navigation controller 11 and the voltage sensor 12 serve as a remaining capacity detecting means. The controller 11 and the display 21 constitute an on-vehicle information terminal, respectively. Note that each component is not limited to the above configuration as long as the characteristic function of the present invention is not impaired.

【図面の簡単な説明】[Brief description of drawings]

【図1】 一実施の形態の充電スタンド情報提供装置の
車載装置の構成を示す図である。
FIG. 1 is a diagram showing a configuration of an in-vehicle device of a charging station information providing device according to an embodiment.

【図2】 一実施の形態の充電スタンド情報提供装置の
充電スタンド管理センターと充電スタンドの構成を示す
図である。
FIG. 2 is a diagram showing a configuration of a charging station management center and a charging station of the charging station information providing device according to the embodiment.

【図3】 一実施の形態の充電スタンド管理プログラム
を示すフローチャートである。
FIG. 3 is a flowchart showing a charging station management program of one embodiment.

【図4】 一実施の形態の車載装置のナビゲーションプ
ログラムを示すフローチャートである。
FIG. 4 is a flowchart showing a navigation program of the vehicle-mounted device according to the embodiment.

【図5】 一実施の形態の車載装置の充電情報表示プロ
グラムを示すフローチャートである。
FIG. 5 is a flowchart showing a charging information display program of the vehicle-mounted device according to the embodiment.

【図6】 図5に続く、一実施の形態の車載装置の充電
情報表示プログラムを示すフローチャートである。
FIG. 6 is a flowchart following FIG. 5, showing a charging information display program of the vehicle-mounted device according to the embodiment.

【図7】 充電可能な充電器を備えた充電スタンドの表
示例を示す図である。
FIG. 7 is a diagram showing a display example of a charging stand including a rechargeable charger.

【図8】 充電スタンドA周辺の詳細情報の表示例を示
す図である。
8 is a diagram showing a display example of detailed information around charging station A. FIG.

【符号の説明】[Explanation of symbols]

1 三相交流モーター 2 減速機 3a、3b プロペラシャフト 4a、4b 駆動輪 5 インバーター 6 バッテリー 10 EVコントローラー 11 ナビゲーションコントローラー 12 電圧センサー 13 アクセルセンサー 14 ブレーキセンサー 15 通信装置 16 GPS受信機 17 入力装置 18 記憶装置 19 方位センサー 20 車速センサー 21 ディスプレイ 30 充電スタンド管理センター 31 コンピューター 32 データーベース 33、34 通信装置 40 充電スタンド 41 管理装置 42、43 充電器 44 通信装置 1 Three-phase AC motor 2 reducer 3a, 3b propeller shaft 4a, 4b drive wheels 5 inverter 6 battery 10 EV controller 11 Navigation controller 12 Voltage sensor 13 Accelerator sensor 14 Brake sensor 15 Communication device 16 GPS receiver 17 Input device 18 storage 19 Direction sensor 20 vehicle speed sensor 21 display 30 Charging station management center 31 Computer 32 databases 33, 34 communication device 40 charging stand 41 Management device 42, 43 charger 44 Communication device

───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 2F029 AA02 AB07 AC02 AC14 AC16 5H180 AA01 BB04 BB05 FF04 FF05 FF13 FF22 FF32    ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 2F029 AA02 AB07 AC02 AC14 AC16                 5H180 AA01 BB04 BB05 FF04 FF05                       FF13 FF22 FF32

Claims (15)

【特許請求の範囲】[Claims] 【請求項1】充電スタンドの位置を記憶するスタンド位
置記憶手段と、 充電スタンドに設置されている充電器ごとの利用可能情
報を入手する充電器情報入手手段と、 電気自動車の現在地を検出する現在地検出手段と、 前記スタンド位置記憶手段に記憶されている充電スタン
ドの中から、電気自動車の現在地周辺に存在する充電ス
タンドを抽出するスタンド抽出手段と、 前記スタンド抽出手段により抽出された充電スタンドの
位置と、その充電スタンドに設置されている充電器の利
用可能情報とを提供する充電器情報提供手段とを備える
ことを特徴とする充電スタンド情報提供装置。
1. A stand position storing means for storing the position of a charging stand, a charger information obtaining means for obtaining available information for each charger installed in the charging stand, and a present location for detecting the present location of an electric vehicle. A detection unit, a stand extraction unit that extracts a charging stand existing around the current location of the electric vehicle from the charging stands stored in the stand position storage unit, and a position of the charging stand extracted by the stand extraction unit. And a charger information providing means for providing availability information of a charger installed in the charging station.
【請求項2】請求項1に記載の充電スタンド情報提供装
置において、 前記利用可能情報は、充電スタンドに到着後、直ちにま
たは所定時間以内に充電を開始できる利用可能な充電器
に関する情報であることを特徴とする充電スタンド情報
提供装置。
2. The charging station information providing device according to claim 1, wherein the availability information is information about available chargers that can start charging immediately or within a predetermined time after arriving at the charging station. Charging station information providing device.
【請求項3】請求項2に記載の充電スタンド情報提供装
置において、 道路地図データに基づいて現在地から充電スタンドまで
の経路を探索するスタンド経路探索手段を備え、 前記充電器情報提供手段は、充電スタンドの位置、その
充電スタンドに設置されている充電器の利用可能情報、
およびその充電スタンドまでの経路を提供することを特
徴とする充電スタンド情報提供装置。
3. The charging station information providing device according to claim 2, further comprising station route searching means for searching a route from the present location to the charging station based on road map data, wherein the charger information providing means is charged. Position of the stand, availability information of the charger installed on the charging stand,
And a charging station information providing device, which provides a route to the charging station.
【請求項4】請求項2または請求項3に記載の充電スタ
ンド情報提供装置において、 電気自動車のバッテリーの残容量を検出する残容量検出
手段と、 道路地図データに基づいて現在地から目的地までの経路
を探索する目的地経路探索手段と、 前記目的地までの経路に沿って現在地から目的地まで走
行するためのバッテリーの必要容量を推定する必要容量
推定手段と、 バッテリーの前記残容量と前記必要容量とに基づいてバ
ッテリーを充電せずに目的地まで走行可能か否かを判定
する走行判定手段とを備え、 前記充電器情報提供手段は、前記走行判定手段によりバ
ッテリーの前記残容量では目的地まで走行できないと判
定された場合に、充電スタンドに到着後、直ちにまたは
所定時間以内に充電を開始でき、且つ少なくとも前記必
要容量まで充電可能な充電器に関する情報を提供するこ
とを特徴とする充電スタンド情報提供装置。
4. The charging station information providing device according to claim 2 or 3, wherein the remaining capacity detecting means for detecting the remaining capacity of the battery of the electric vehicle, and the current location to the destination based on the road map data. A destination route searching means for searching a route; a required capacity estimating means for estimating a required capacity of a battery for traveling from the present location to the destination along the route to the destination; And a traveling determination unit that determines whether or not the vehicle can travel to the destination without charging the battery based on the capacity, and the charger information providing unit determines the destination based on the remaining capacity of the battery by the traveling determination unit. If it is determined that the vehicle cannot be driven up to, it is possible to start charging immediately or within a predetermined time after arriving at the charging stand, and at least to the required capacity. Charging station information providing apparatus and providing information about the rechargeable battery charger.
【請求項5】請求項4に記載の充電スタンド情報提供装
置において、 前記充電器情報提供手段は、バッテリーの前記残容量か
ら前記必要容量までの所要充電時間と、前記残容量から
満充電容量までの所要充電時間とを演算して提供するこ
とを特徴とする充電スタンド情報提供装置。
5. The charging station information providing device according to claim 4, wherein the charger information providing means measures a required charging time from the remaining capacity of the battery to the required capacity, and the remaining capacity to the full charge capacity of the battery. A charging station information providing device, characterized in that the charging time is calculated and provided.
【請求項6】請求項2〜5のいずれかの項に記載の充電
スタンド情報提供装置において、 前記利用可能な充電器の中から乗員により選択された充
電器に対して利用予約を行う充電予約手段を備えること
を特徴とする充電スタンド情報提供装置。
6. The charging station information providing device according to claim 2, wherein a charging reservation for making a usage reservation for a charger selected by an occupant from among the available chargers. A charging station information providing device comprising means.
【請求項7】請求項1〜6のいずれかの項に記載の充電
スタンド情報提供装置において、 前記充電器情報提供手段は、道路地図データからバッテ
リーの充電中に利用可能な施設の情報を抽出し提供する
ことを特徴とする充電スタンド情報提供装置。
7. The charging station information providing device according to claim 1, wherein the charger information providing unit extracts information on facilities that can be used during battery charging from road map data. A charging station information providing device characterized by being provided.
【請求項8】充電スタンドを管理する管理センターと電
気自動車の車載情報端末とから成る充電スタンド情報提
供装置であって、 前記管理センターは、充電スタンドの位置を記憶するス
タンド位置記憶手段と、 充電スタンドに設置されている充電器ごとの利用可能情
報を入手する充電器情報入手手段とを備え、 充電スタンドの位置と、その充電スタンドに設置されて
いる充電器の利用可能情報とを無線通信により前記車載
情報端末へ配信することを特徴とする充電スタンド情報
提供装置。
8. A charging station information providing device comprising a management center for managing a charging station and an in-vehicle information terminal of an electric vehicle, wherein the management center includes station position storing means for storing the position of the charging station, and charging. It is equipped with a charger information acquisition means for acquiring availability information for each charger installed on the stand, and wirelessly communicates the position of the charging stand and availability information of the charger installed on the charging stand. A charging station information providing device for delivering to the vehicle-mounted information terminal.
【請求項9】請求項8に記載の充電スタンド情報提供装
置において、 前記車載情報端末は、電気自動車の現在地を検出する現
在地検出手段を備え、検出した現在地を前記管理センタ
ーへ送信し、 前記管理センターは、前記スタンド位置記憶手段に記憶
されている充電スタンドの中から、電気自動車の現在地
周辺に存在する充電スタンドを抽出するスタンド抽出手
段を備え、抽出された充電スタンドの位置と、その充電
スタンドに設置されている充電器の利用可能情報とを配
信することを特徴とする充電スタンド情報提供装置。
9. The charging station information providing device according to claim 8, wherein the vehicle-mounted information terminal includes a current-position detecting unit that detects a current position of the electric vehicle, and transmits the detected current position to the management center. The center includes a stand extraction unit that extracts a charging stand existing around the current location of the electric vehicle from the charging stands stored in the stand position storage unit, and the position of the extracted charging stand and the charging stand thereof. A charging station information providing device, which distributes availability information of a charger installed in the charging station.
【請求項10】請求項8または請求項9に記載の充電ス
タンド情報提供装置において、 前記利用可能情報は、充電スタンドに到着後、直ちにま
たは所定時間以内に充電を開始できる利用可能な充電器
に関する情報であることを特徴とする充電スタンド情報
提供装置。
10. The charging station information providing device according to claim 8 or 9, wherein the availability information relates to an available charger that can start charging immediately or within a predetermined time after arriving at the charging station. A charging station information providing device characterized by being information.
【請求項11】請求項10に記載の充電スタンド情報提
供装置において、 前記車載情報端末は、道路地図データに基づいて現在地
から充電スタンドまでの経路を探索するスタンド経路探
索手段を備え、充電スタンドの位置、その充電スタンド
に設置されている充電器の利用可能情報、およびその充
電スタンドまでの経路を提供することを特徴とする充電
スタンド情報提供装置。
11. The charging station information providing device according to claim 10, wherein the vehicle-mounted information terminal includes station route searching means for searching a route from the current location to the charging station based on road map data. A charging station information providing device, which provides a position, availability information of a charger installed in the charging station, and a route to the charging station.
【請求項12】請求項10または請求項11に記載の充
電スタンド情報提供装置において、 前記車載情報端末は、電気自動車のバッテリーの残容量
を検出する残容量検出手段と、 道路地図データに基づいて現在地から目的地までの経路
を探索する目的地経路探索手段と、 前記目的地までの経路に沿って現在地から目的地まで走
行するためのバッテリーの必要容量を推定する必要容量
推定手段と、 バッテリーの前記残容量と前記必要容量とに基づいてバ
ッテリーを充電せずに目的地まで走行可能か否かを判定
する走行判定手段とを備え、 前記走行判定手段によりバッテリーの前記残容量では目
的地まで走行できないと判定された場合に、充電スタン
ドに到着後、直ちにまたは所定時間以内に充電を開始で
き、且つ少なくとも前記必要容量まで充電可能な充電器
に関する情報を提供することを特徴とする充電スタンド
情報提供装置。
12. The charging station information providing device according to claim 10 or 11, wherein the on-vehicle information terminal is based on a remaining capacity detecting unit that detects a remaining capacity of a battery of an electric vehicle, and road map data. A destination route searching means for searching a route from the current location to the destination; a required capacity estimating means for estimating a required capacity of the battery for traveling from the current location to the destination along the route to the destination; And a traveling determination unit that determines whether or not the vehicle can travel to the destination without charging the battery based on the remaining capacity and the required capacity, and the traveling determination unit travels to the destination with the remaining capacity of the battery. If it is determined that charging is not possible, charging can be started immediately after arrival at the charging stand or within a predetermined time, and at least the required capacity is reached. Charging station information providing apparatus and providing information about the rechargeable battery charger.
【請求項13】請求項12に記載の充電スタンド情報提
供装置において、 前記車載情報端末は、バッテリーの前記残容量から前記
必要容量までの所要充電時間と、前記残容量から満充電
容量までの所要充電時間とを演算して提供することを特
徴とする充電スタンド情報提供装置。
13. The charging station information providing device according to claim 12, wherein the vehicle-mounted information terminal has a required charging time from the remaining capacity of the battery to the required capacity and a required charging time from the remaining capacity to the full charge capacity. A charging station information providing device, which calculates and provides a charging time.
【請求項14】請求項10〜13のいずれかの項に記載
の充電スタンド情報提供装置において、 前記車載情報端末は、前記利用可能な充電器の中から乗
員により選択された充電器の情報を前記管理センターへ
送信し、 前記管理センターは、前記乗員により選択された充電器
に対して利用予約を行うことを特徴とする充電スタンド
情報提供装置。
14. The charging station information providing device according to claim 10, wherein the vehicle-mounted information terminal displays information on a charger selected by an occupant from the available chargers. The charging station information providing device, wherein the charging station information is transmitted to the management center, and the management center makes a usage reservation for the charger selected by the occupant.
【請求項15】請求項8〜14のいずれかの項に記載の
充電スタンド情報提供装置において、 前記車載情報端末は、道路地図データからバッテリーの
充電中に利用可能な施設の情報を抽出し提供することを
特徴とする充電スタンド情報提供装置。
15. The charging station information providing device according to claim 8, wherein the vehicle-mounted information terminal extracts and provides information on facilities that can be used during battery charging from road map data. Charging station information providing device characterized by:
JP2002062986A 2002-03-08 2002-03-08 Charging station information providing device Pending JP2003262525A (en)

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