JP2015089267A - 非接触給電装置および非接触給電システム - Google Patents
非接触給電装置および非接触給電システム Download PDFInfo
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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
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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
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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
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
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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
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- 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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- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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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
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- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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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
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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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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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- 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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- Transportation (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
【解決手段】この給電装置1は、給電電圧値を変化させることが可能な電源部12と、電源部12により交流電流が供給されることにより給電磁界を発生させる給電コイル13と、電源部12の給電電圧値を制御する給電装置側制御部11とを備え、給電装置側制御部11は、給電コイル13と、外部に設けられ給電コイル13の給電磁界により電力を受電する受電コイル23との結合係数に基づいて、受電コイル23を含む電気自動車2との電力伝送効率が最大近傍となるように、電源部12の給電電圧値を制御する給電電圧制御を行うように構成されている。
【選択図】図9
Description
図1〜図5を参照して、本発明の第1実施形態による非接触給電システム100の構成について説明する。
次に、図14を参照して、第2実施形態による非接触給電システム101の構成ついて説明する。第2実施形態では、電源部12が、ゲートドライブ回路12cおよび2つのFET12bによって構成されていた、いわゆる、ハーフブリッジ型のスイッチング回路が設けられた給電装置1を備えた第1実施形態の非接触給電システム100と異なり、ゲートドライブ回路41aおよび4つのFET12bによって構成される、いわゆる、フルブリッジ型のスイッチング回路が設けられた電源部41を含む給電装置4を備えている。
次に、図15を参照して、第3実施形態による非接触給電システム102の構成ついて説明する。第3実施形態では、交流直流変換器12aと、ゲートドライブ回路12cと、2つのFET12bとを含む、いわゆるスイッチング回路を含む電源部12が設けられていた給電装置1を備えた、第1実施形態の非接触給電システム100と異なり、電源部51は、正弦波の交流電流を増幅可能に構成されている可変増幅器51aを含む給電装置5を備えている。
2 電気自動車(受電装置)
11 給電装置側制御部
12、41、51 電源部
12a 交流直流変換器
12b FET(スイッチング回路)
12c ゲートドライブ回路(スイッチング回路)
12d 共振コンデンサ
13 給電コイル
15 無線LAN通信部(通信部)
23 受電コイル
100、101、102 非接触給電システム
Claims (9)
- 給電電圧値を変化させることが可能な電源部と、
前記電源部により交流電流が供給されることにより給電磁界を発生させる給電コイルと、
前記電源部の給電電圧値を制御する給電装置側制御部とを備え、
前記給電装置側制御部は、前記給電コイルと、外部に設けられ前記給電コイルの前記給電磁界により電力を受電する受電コイルとの結合係数に基づいて、前記受電コイルを含む受電装置との電力伝送効率が最大近傍となるように、前記電源部の給電電圧値を制御する給電電圧制御を行うように構成されている、非接触給電装置。 - 前記受電装置と通信する通信部をさらに備え、
前記給電装置側制御部は、前記通信部を介して、前記受電コイルのインダクタンスと、前記給電磁界により受電した前記受電コイルの交流電圧の値である受電交流電圧値とを前記受電装置から取得するとともに、取得した前記受電コイルのインダクタンスおよび前記受電交流電圧値と、前記給電コイルのインダクタンスと、前記電源部の給電電圧値とに基づいて、前記結合係数を算出する制御を行うように構成されている、請求項1に記載の非接触給電装置。 - 前記給電装置側制御部は、前記通信部を介して、前記受電コイルの交流電圧を整流した直流電圧の値である受電直流電圧値と、前記受電装置の負荷電力値とを取得するように構成されており、
前記給電装置側制御部は、取得した前記受電装置の負荷電力値と、前記結合係数と、前記受電交流電圧値とに基づいて、前記電力伝送効率が最大近傍となる場合の前記受電直流電圧値の目標受電電圧値を設定するとともに、取得した前記受電直流電圧値が、設定した前記目標受電電圧値となるように、前記給電電圧制御を行うように構成されている、請求項2に記載の非接触給電装置。 - 前記給電装置側制御部は、前記受電交流電圧値を所定の時間間隔で取得する制御を行うように構成されている、請求項2または3に記載の非接触給電装置。
- 前記給電装置側制御部は、前記結合係数が所定の値よりも小さい場合、給電を行わないように構成されている、請求項1〜5のいずれか一項に記載の非接触給電装置。
- 前記受電装置と通信する通信部をさらに備え、
前記給電装置側制御部は、前記通信部を介して、前記受電装置の機種情報を取得するとともに、取得した前記機種情報に基づいて、前記給電電圧制御を開始するか否かを判断する制御を行うように構成されている、請求項1〜6のいずれか一項に記載の非接触給電装置。 - 前記電源部は、共振コンデンサと、電圧可変の交流直流変換器と、前記交流直流変換器からの直流電圧を前記給電コイルおよび前記共振コンデンサの共振周波数でオンオフさせることにより前記交流電流を生じさせるスイッチング回路とを含む、請求項1〜7のいずれか一項に記載の非接触給給電装置。
- 給電電圧値を変化させることが可能な電源部と、前記電源部により交流電流を供給されることにより給電磁界を発生させる給電コイルと、前記電源部の給電電圧値を制御する給電装置側制御部とを含む、給電装置と、
前記給電磁界により電力を受電する受電コイルを含む受電装置とを備え、
前記給電装置側制御部は、前記給電コイルと前記受電コイルとの結合係数に基づいて、前記給電装置から前記受電装置への電力伝送効率が最大近傍となるように、前記電源部の給電電圧値を制御するように構成されている、非接触給電システム。
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JP2013226940A JP6264843B2 (ja) | 2013-10-31 | 2013-10-31 | 非接触給電装置および非接触給電システム |
EP14188499.9A EP2868492B1 (en) | 2013-10-31 | 2014-10-10 | Wireless power feeding device |
US14/526,605 US9905358B2 (en) | 2013-10-31 | 2014-10-29 | Contactless power feeding apparatus and contactless power feeding system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6719682B1 (ja) * | 2019-04-01 | 2020-07-08 | 三菱電機株式会社 | ワイヤレス給電システムおよび受電装置 |
WO2023149238A1 (ja) * | 2022-02-01 | 2023-08-10 | キヤノン株式会社 | 送電装置および受電装置 |
WO2023210445A1 (ja) * | 2022-04-26 | 2023-11-02 | キヤノン株式会社 | 受電装置、送電装置、それらの制御方法、およびプログラム |
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US20150115731A1 (en) | 2015-04-30 |
US9905358B2 (en) | 2018-02-27 |
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