JP5417942B2 - 送電装置、送受電装置および送電方法 - Google Patents
送電装置、送受電装置および送電方法 Download PDFInfo
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- JP5417942B2 JP5417942B2 JP2009088395A JP2009088395A JP5417942B2 JP 5417942 B2 JP5417942 B2 JP 5417942B2 JP 2009088395 A JP2009088395 A JP 2009088395A JP 2009088395 A JP2009088395 A JP 2009088395A JP 5417942 B2 JP5417942 B2 JP 5417942B2
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- power
- power transmission
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Classifications
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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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- 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
Description
2 送電装置
2a テーブル
3 受電装置
3a 可搬コンピュータ
3b 薄型テレビ
21 送電制御部
22 交流電源
23 電力供給コイル
24,24a,24b 送電コイル
31,31a,31b 受電コイル
32 電力取出コイル
33 負荷回路
41 送電装置検知部
42 周波数掃引処理部
43 ピーク分離検出部
44 高周波側ピーク選択部
45 電源駆動部
Claims (7)
- 電源と、
電力を磁界共鳴によって磁界エネルギーとして外部に送出する送電コイルと、
前記送電コイルを共振させることにより前記電源から供給された電力を前記送電コイルに供給する駆動部と、
前記外部に送出される磁界エネルギーがピークとなる駆動周波数を探索するピーク探索部と、
前記外部に送出される磁界エネルギーがピークとなる駆動周波数の分離を検出するピーク分離検出部と、
前記分離した駆動周波数のうち、高周波側の周波数を選択する選択部とを備え、
前記駆動部は、前記選択部が選択した周波数で前記送電コイルを駆動することを特徴とする送電装置。 - 前記駆動部は、前記電源からの電力を電磁誘導によって前記送電コイルに供給する電力供給コイルを有することを特徴とする請求項1に記載の送電装置。
- 前記送電コイルが外部に送出する磁界エネルギーを計測する磁界センサを更に備え、前記ピーク探索部は、前記駆動周波数を変化させることで生じる前記磁界センサの計測結果の変化から前記外部に送出される磁界エネルギーがピークとなる駆動周波数を探索することを特徴とする請求項1または2に記載の送電装置。
- 前記駆動周波数を固定して前記磁界センサによる計測結果を監視する監視部を更に備え、前記ピーク探索部は、前記監視部による監視の結果、前記磁界センサの計測結果が閾値を超えた場合に前記外部に送出される磁界エネルギーがピークとなる駆動周波数の探索を開始することを特徴とする請求項3に記載の送電装置。
- 前記送電コイルは、前記磁界共鳴によって磁界エネルギーを受け取る受電コイルの共振周波数に対応した共振周波数を有することを特徴とする請求項1〜4のいずれか一つに記載の送電装置。
- 送電装置内の送電コイルと受電装置内の受電コイルとを磁界共鳴させて前記送電コイルから前記受電コイルに電力を供給する送受電装置であって、
前記磁界共鳴によって供給される電力がピークとなる前記送電コイルの駆動周波数を探索するピーク探索部と、
前記磁界共鳴によって供給される電力がピークとなる駆動周波数の分離を検出するピーク分離検出部と、
前記分離した駆動周波数のうち、高周波側の周波数を選択する選択部と、
前記選択部が選択した周波数で前記送電コイルを駆動する駆動部と
を備えたことを特徴とする送受電装置。 - 送電コイルと受電コイルとを磁界共鳴させて前記送電コイルから前記受電コイルに電力を供給させる送電制御方法であって、
前記磁界共鳴によって供給される電力がピークとなる駆動周波数を探索するピーク探索ステップと、
前記磁界共鳴によって供給される電力がピークとなる駆動周波数の分離を検出するピーク分離検出ステップと、
前記分離した駆動周波数のうち、高周波側の周波数を選択する選択ステップと、
前記選択ステップが選択した周波数で前記送電コイルを駆動する駆動ステップと
を含んだことを特徴とする送電方法。
Priority Applications (2)
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JP2009088395A JP5417942B2 (ja) | 2009-03-31 | 2009-03-31 | 送電装置、送受電装置および送電方法 |
US12/724,938 US8575782B2 (en) | 2009-03-31 | 2010-03-16 | Power transmission apparatus, power transmission/reception apparatus, and method of transmitting power |
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JP2009088395A JP5417942B2 (ja) | 2009-03-31 | 2009-03-31 | 送電装置、送受電装置および送電方法 |
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JP2010239847A JP2010239847A (ja) | 2010-10-21 |
JP5417942B2 true JP5417942B2 (ja) | 2014-02-19 |
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JP2009088395A Expired - Fee Related JP5417942B2 (ja) | 2009-03-31 | 2009-03-31 | 送電装置、送受電装置および送電方法 |
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JP (1) | JP5417942B2 (ja) |
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WO2009037821A1 (ja) * | 2007-09-17 | 2009-03-26 | Hideo Kikuchi | 誘導電力伝送回路 |
JP2010193598A (ja) * | 2009-02-17 | 2010-09-02 | Nippon Soken Inc | 非接触給電設備および非接触給電システム |
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