JP6237887B2 - 非接触給電システム及び非接触受電装置 - Google Patents
非接触給電システム及び非接触受電装置 Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
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- B60L53/12—Inductive energy transfer
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- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
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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
- 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
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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
- 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
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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
- 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
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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
- 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
- Y02T90/14—Plug-in electric vehicles
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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
- 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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- 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
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
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- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Near-Field Transmission Systems (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Description
なお、本実施形態では、図21(a)〜(c)に示したように、2つの識別データのORを演算して合成データを求める例について説明したが、2つの識別データを重ね合わせて得られる信号から合成データを求めるようにしてもよい。例えば、図22に示すように、サブコイルSC4にて曲線q13に示す受信信号が得られ、サブコイルSC1にて曲線q12に示す受信信号が得られた場合には、各受信信号q12,q13を合成した信号q11を合成データとすることができる。即ち、受信信号q12とq13のうちのいずれか大きい方の信号を求めることにより、ORを演算することと同様の合成データを取得することができる。
前述した実施形態では、車両20の底部に設けるサブコイルとして、図4に示したサブコイルSC1〜SC4を搭載する例について説明した。即ち、受電コイル21と同一のコアに巻回されたサブコイルSC1と、該サブコイルSC1の前方側に設けられるサブコイルSC2と、サブコイルSC1の後方側の左右にそれぞれ設けられるサブコイルSC3,SC4を搭載する例について説明した。
12 パワーユニット
13 地上コントローラ
14 通信部
15 直流電源
20 車両
21 受電コイル
22 整流平滑回路
23 バッテリ
24 車両コントローラ
25 通信部
31 インバータ回路
32,32a 駐車スペース
33,33a 車両検出センサ
51,51a 地上ユニット
61 フェライトコア
101 送電装置
102 受電装置
Claims (9)
- 地上側に設けられ電力を送信する送電装置と、車両に設けられ前記送電装置より送信された電力を受信して電気負荷に供給する受電装置と、を備えた非接触給電システムにおいて、
前記送電装置は、
駐車スペースに設けられ、電力を送信する送電コイルと、
前記送電コイルへ供給する電力を制御する給電制御部と、
前記受電装置との間で通信を行う送電側通信部と、
を備え、
前記受電装置は、
前記送電コイルより送信された電力を受信し、受信した電力を駆動力として車両に供給する受電コイルと、
前記受電コイルに対して車両の前方側、及び後方側にそれぞれ少なくとも一つ設けられ、前記送電コイルより送信された電力を励磁パターン信号として受信するサブコイルと、
前記受電コイル及びサブコイルによる電力の受信を制御する受電制御部と、
前記送電装置との間で通信を行う受電側通信部と、
を備え、
前記給電制御部は、車両が前記駐車スペースに接近した際に、識別データを含む励磁パターン信号で励磁し、
前記受電制御部は、少なくとも一つの前記サブコイルにて受信された励磁パターン信号より前記識別データを取得し、且つ、前記受電側通信部は、この識別データを前記送電装置に送信し、
前記給電制御部は、前記励磁パターン信号に含めた識別データと、前記受電制御部より送信された識別データとが一致した際に前記送電コイルと前記受電コイルをペアリングし、
前記前方側に設けられたサブコイルで受信される識別データと、前記後方側に設けられたサブコイルで受信される識別データが相違する場合には、前記ペアリングをキャンセルすること
を特徴とする非接触給電システム。 - 前記受電コイルに対して車両の前方側、及び車両の後方側の少なくとも一方側には、2以上のサブコイルが設けられ、
前記受電制御部は、前記車両の少なくとも一方側に設けられた2以上のサブコイルで検出される前記識別データを合成して合成データを生成し、該合成データを前記送電装置に送信すること
を特徴とする請求項1に記載の非接触給電システム。 - 前記受電制御部は、前記合成データの健全性を判断し、健全でなければ前記合成データを前記送電装置に送信しないこと
を特徴とする請求項2に記載の非接触給電システム。 - 前記車両の少なくとも一方側に設けられた2以上のサブコイルは、励磁パターン信号の受信可能領域が一部の領域で重複していることを特徴とする請求項2または3に記載の非接触給電システム。
- 前記給電制御部は、前記送電コイルと受電コイルをペアリングした後、前記受電制御部より送信される識別データが途切れた場合、或いは、識別データが不一致となった場合には、前記ペアリングをキャンセルすること
を特徴とする請求項1〜4のいずれか1項に記載の非接触給電システム。 - 車両に設けられ、地上に設けられた送電装置より送信される電力を非接触で受信する非接触受電装置において、
前記受信した電力を駆動力として車両に供給する受電コイルと、
前記受電コイルに対して車両の前方側、及び後方側にそれぞれ少なくとも一つ設けられ、前記送電装置の送電コイルより送信された電力を励磁パターン信号として受信するサブコイルと、
前記受電コイル及びサブコイルによる電力の受信を制御する受電制御部と、
前記送電装置との間で通信を行う受電側通信部と、を備え、
前記受電制御部は、前記送電装置が識別データを含む励磁パターン信号で励磁された際に、前記サブコイルで受信される励磁パターン信号より前記識別データを取得し、且つ、この識別データを前記送電装置に送信すること
を特徴とする非接触受電装置。 - 前記受電コイルに対して車両の前方側、及び車両の後方側の少なくとも一方側には、2以上のサブコイルが設けられ、
前記受電制御部は、前記車両の少なくとも一方側に設けられた2以上のサブコイルで検出される前記識別データを合成し、合成した識別データを前記送電装置に送信すること
を特徴とする請求項6に記載の非接触受電装置。 - 前記受電制御部は、前記合成した識別データの健全性を判断し、健全でなければ前記合成した識別データを前記送電装置に送信しないこと
を特徴とする請求項7に記載の非接触受電装置。 - 前記車両の少なくとも一方側に設けられた2以上のサブコイルは、励磁パターン信号の受信可能領域が一部の領域で重複していることを特徴とする請求項7又は8に記載の非接触受電装置。
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JPH09213378A (ja) * | 1996-01-30 | 1997-08-15 | Sumitomo Wiring Syst Ltd | 電気自動車用充電システム |
JP2001178001A (ja) * | 1999-12-16 | 2001-06-29 | Toyota Autom Loom Works Ltd | 車両用充電装置 |
RU2408476C2 (ru) * | 2009-01-20 | 2011-01-10 | Государственное научное учреждение Всероссийский научно-исследовательский институт электрификации сельского хозяйства Российской академии сельскохозяйственных наук (ГНУ ВИЭСХ Россельхозакадемии) | Способ беспроводной передачи электрической энергии и устройство для его осуществления (варианты) |
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JP4375810B1 (ja) | 2009-08-12 | 2009-12-02 | 株式会社ビースリー・ユナイテッド | カラオケホスト装置及びプログラム |
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WO2012086048A1 (ja) * | 2010-12-24 | 2012-06-28 | トヨタ自動車 株式会社 | 非接触充電システム、非接触充電方法、非接触充電型の車両、および非接触充電管理装置 |
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WO2012128093A1 (ja) | 2011-03-18 | 2012-09-27 | 矢崎総業株式会社 | 給電システム |
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US10622837B2 (en) | 2020-04-14 |
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