JPWO2012111271A1 - 送電装置、受電装置及び送電方法 - Google Patents
送電装置、受電装置及び送電方法 Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 761
- 238000000034 method Methods 0.000 title claims description 90
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- 238000001514 detection method Methods 0.000 claims description 29
- 230000008859 change Effects 0.000 claims description 9
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- 239000003990 capacitor Substances 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/806—Arrangements for feeding power
- H04B10/807—Optical power feeding, i.e. transmitting power using an optical signal
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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
-
- 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
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H04B5/26—
-
- H04B5/79—
Abstract
Description
図1は、本発明の実施の形態における無線電力伝送システムの概要を示す図である。
104、105、200 受電装置
210 受電処理部
211 受電部
212 レギュレート整流部
213 負荷/充電部
220 受電制御部
221 受信レベル判定部
222 制御部
223 機器認証部
224、350 通信部
310 送電部
320 送電制御部
330 決定部
331 機器間関係判定部
332 受電装置管理部
340 機器認証部
Claims (7)
- サブ送電モードと、前記サブ送電モード時に伝送される電力より大きい電力を伝送するメイン送電モードとを有し、送電の周波数として複数の送電装置及び受電装置が主に同じ周波数を利用して受電装置に電力伝送する送電装置であって、
無線により電力伝送を行う送電部と、
前記受電装置から送信される電力要求通知を取得する通信部と、
前記サブ送電モードとして、少なくとも、前記受電装置が、前記電力要求通知を送信するのに必要な電力が、ランダム時間間隔空けて電力伝送されるように、前記送電部により電力伝送される電力及び伝送タイミングを制御し、前記通信部が、前記電力要求通知を取得した場合に、前記メイン送電モードに切り替える送電制御部と、
を具備する送電装置。 - 前記通信部は、前記メイン送電モード時に、受電した第1の受電装置から通知される、干渉の発生を示す干渉検出通知を取得し、前記サブ送電モード時に、前記第1の受電装置と自装置及び他の送電装置との間の受電状態を示す第1及び第2の受信レベルの情報を取得し、
前記送電装置は、前記第1及び第2の受信レベルに基づいて、前記第1の受電装置へ電力伝送する第1の送電装置を決定する決定部、を更に具備し、
前記送電制御部は、前記干渉検出通知をトリガとして、前記メイン送電モードから前記サブ送電モードに切り替え、前記決定部が、前記第1の受電装置へ電力伝送する送電装置を決定した後、前記サブ送電モードから前記メイン送電モードに切り替える、
請求項1に記載の送電装置。 - 前記通信部は、第2の受電装置と前記自装置及び前記他の送電装置との間の受電状態を示す第3及び第4の受信レベルの情報を更に取得し、
前記決定部は、前記第1、第2、第3、及び第4の受信レベルに基づいて、前記メイン送電モード時に、前記第1の受電装置へ電力伝送する第1及び第2の送電装置と、前記第1及び第2の送電装置の出力レベルを決定し、
前記送電制御部は、決定された前記出力レベルに基づいて、前記送電部により電力伝送される前記電力を制御する、
請求項2に記載の送電装置。 - 前記決定部は、前記第1、第2、第3、及び第4の受信レベルに基づいて、前記第1の送電装置の出力レベルと前記第2の送電装置の出力レベルとの組み合わせを複数決定し、
前記送電制御部は、前記複数の組み合わせから1組みずつ順次選択し、選択した前記組み合わせに応じて、前記第1及び第2の送電装置の出力レベルを切り替える、
請求項3に記載の送電装置。 - 前記決定部は、前記第1の受電装置及び前記第2の受電装置において、干渉が発生しないように、前記第1及び第2の送電装置の出力レベルの組み合わせを決定する、
請求項3に記載の送電装置。 - メイン送電モードと、前記メイン送電モード時に伝送される電力より小さい電力を伝送するサブ送電モードとを有する送電装置から、送電の周波数として複数の送電装置及び受電装置が主に同じ周波数を利用して電力伝送される電力を受電する受電装置であって、
前記送電装置から無線により電力伝送される電力を受電する受電部と、
前記受電部における受電状態を監視し、前記受電状態の変化に基づいて、干渉の発生を検出する受信レベル判定部と、
電力要求通知、前記受電状態、又は、前記干渉の発生を示す干渉検出通知を、前記送電装置に通知する通信部と、
を具備する受電装置。 - サブ送電モードと、前記サブ送電モード時に伝送される電力より大きい電力を伝送するメイン送電モードとを有する送電装置から、送電の周波数として複数の送電装置及び受電装置が主に同じ周波数を利用して受電装置に電力伝送する送電方法であって、
無線により電力伝送を行うステップと、
前記受電装置から送信される電力要求通知を取得するステップと、
前記サブ送電モードとして、少なくとも、前記受電装置が、前記電力要求通知を送信するのに必要な電力が、ランダム時間間隔空けて電力伝送されるように、電力伝送される電力及び伝送タイミングを制御するステップと、
前記電力要求通知を取得した場合に、前記メイン送電モードに切り替えるステップと、
を具備する送電方法。
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JP2011031867 | 2011-02-17 | ||
JP2011031867 | 2011-02-17 | ||
PCT/JP2012/000735 WO2012111271A1 (ja) | 2011-02-17 | 2012-02-03 | 送電装置、受電装置及び送電方法 |
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JPWO2012111271A1 true JPWO2012111271A1 (ja) | 2014-07-03 |
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US (1) | US20130328417A1 (ja) |
JP (1) | JPWO2012111271A1 (ja) |
CN (1) | CN103348563A (ja) |
WO (1) | WO2012111271A1 (ja) |
Cited By (1)
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JP2015035911A (ja) * | 2013-08-09 | 2015-02-19 | キヤノン株式会社 | 受電装置、受電装置の制御方法、及びプログラム |
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US20130328417A1 (en) | 2013-12-12 |
CN103348563A (zh) | 2013-10-09 |
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