JP2013099249A - 無線電力送信装置及びその電力転送方法 - Google Patents
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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
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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
- H02J50/50—Circuit arrangements or systems for wireless supply or distribution of electric power using additional energy repeaters between transmitting devices and receiving devices
- H02J50/502—Circuit arrangements or systems for wireless supply or distribution of electric power using additional energy repeaters between transmitting devices and receiving devices the energy repeater being integrated together with the emitter or the receiver
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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
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Abstract
【解決手段】複数の送信共振部20と無線電力受信装置60の位置を検出するために上記複数の送信共振部20に検出電力を印加する検出電力印加部12、及び上記印加された検出電力により無線電力送信装置100の内部で発生する電流を測定する電流測定部13を含み、上記無線電力送信装置100は上記測定された電流に基づいて上記無線電力受信装置60の位置に対応する1つ以上の送信共振部20を通じて電力を転送する。
【選択図】図5
Description
Claims (18)
- 共振を用いて無線電力受信装置に無線で電力を転送する無線電力送信装置であって、
複数の送信共振部と、
前記無線電力受信装置の位置を検出するために前記複数の送信共振部に検出電力を印加する検出電力印加部と、
前記印加された検出電力により前記無線電力送信装置の内部で発生する電流を測定する電流測定部と、を含み、
前記無線電力送信装置は、
前記測定された電流に基づいて前記無線電力受信装置の位置に対応する1つ以上の送信共振部を通じて電力を転送することを特徴とする、無線電力送信装置。 - 前記無線電力送信装置は、
前記測定された電流がしきい値以上の場合、前記無線電力受信装置の位置に対応する1つ以上の送信共振部を決めて、決まった1つ以上の送信共振部を通じて電力を転送することを特徴とする、請求項1に記載の無線電力送信装置。 - 前記無線電力受信装置と前記無線電力受信装置の位置に対応する送信共振部との間の相互インダクタンス成分により変更された相互変更共振周波数を有する交流電力を前記決まった1つ以上の送信共振部に伝達する電力供給部をさらに含むことを特徴とする、請求項2に記載の無線電力送信装置。
- 前記検出電力印加部から受信した検出電力を前記複数の送信共振部に順次に印加するスイッチ部をさらに含むことを特徴とする、請求項2に記載の無線電力送信装置。
- 前記無線電力送信装置は、
前記決まった1つ以上の送信共振部を通じて電力を転送するように前記スイッチ部を動作させることを特徴とする、請求項4に記載の無線電力送信装置。 - 前記無線電力送信装置は、
前記決まった1つ以上の送信共振部のうち、前記無線電力受信装置と最も重複領域の多い送信共振部のみを通じて電力を転送するように前記スイッチ部を動作させることを特徴とする、請求項5に記載の無線電力送信装置。 - 前記無線電力送信装置は、
前記無線電力送信装置の内部の電流に対応する相互変更共振周波数をルックアップテーブル形態に予め格納していることを特徴とする、請求項3に記載の無線電力送信装置。 - 前記無線電力送信装置は、
前記無線電力送信装置の内部の電流に対応する相互変更共振周波数を有する交流電力を生成するように前記電力供給部を制御することを特徴とする、請求項7に記載の無線電力送信装置。 - 前記しきい値は前記無線電力受信装置の検出のために必要な最小限の電流であることを特徴とする、請求項2に記載の無線電力送信装置。
- 前記複数の送信共振部は各々送信コイル部及び送信共振コイル部を含むことを特徴とする、請求項1に記載の無線電力送信装置。
- 前記複数の送信共振部が配置されたパッドをさらに含み、
各送信共振部は前記パッド内に格子形態またはマトリックス形態に配置されたことを特徴とする、請求項1に記載の無線電力送信装置。 - 共振を用いて無線電力受信装置に無線で電力を転送する無線電力送信装置の電力転送方法であって、
複数の送信共振部に検出電力を印加するステップと、
前記印加された検出電力により前記無線電力送信装置の内部で発生する電流を測定するステップと、
前記測定された電流に基づいて前記無線電力受信装置の位置に対応する1つ以上の送信共振部を決めるステップと、
前記決まった1つ以上の送信共振部を通じて電力を転送するステップと、
を含むことを特徴とする、無線電力送信方法。 - 前記決めるステップは、
前記測定された電流がしきい値以上の場合、前記無線電力受信装置の位置に対応する1つ以上の送信共振部として決めるステップを含むことを特徴とする、請求項12に記載の無線電力送信装置の電力転送方法。 - 前記電力を転送するステップは、
前記無線電力受信装置と前記無線電力受信装置の位置に対応する送信共振部との間の相互インダクタンス成分により変更された相互変更共振周波数を有する交流電力を前記決まった1つ以上の送信共振部に転送するステップを含むことを特徴とする、請求項13に記載の無線電力送信装置の電力転送方法。 - 前記検出電力を印加するステップは、
前記複数の送信共振部に前記検出電力を順次に印加するステップを含むことを特徴とする、請求項12に記載の無線電力送信装置の電力転送方法。 - 前記電力を転送するステップは、
前記決まった1つ以上の送信共振部のうち、前記無線電力受信装置と最も重複領域の多い送信共振部のみを通じて電力を転送するステップを含むことを特徴とする、請求項12に記載の無線電力送信装置の電力転送方法。 - 前記無線電力送信装置の内部の電流に対応する相互変更共振周波数をルックアップテーブル形態に格納するステップを含むことを特徴とする、請求項12に記載の無線電力送信装置の電力転送方法。
- 前記電力を転送するステップは、
前記無線電力送信装置の内部の電流に対応する相互変更共振周波数を有する交流電力を転送するステップを含むことを特徴とする、請求項17に記載の無線電力送信装置の電力転送方法。
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Also Published As
Publication number | Publication date |
---|---|
CN103094993B (zh) | 2015-07-29 |
CN103094993A (zh) | 2013-05-08 |
TW201541792A (zh) | 2015-11-01 |
KR101349551B1 (ko) | 2014-01-08 |
KR20130048438A (ko) | 2013-05-10 |
CN105162261A (zh) | 2015-12-16 |
TWI637577B (zh) | 2018-10-01 |
US10033224B2 (en) | 2018-07-24 |
TWI492474B (zh) | 2015-07-11 |
US10181756B2 (en) | 2019-01-15 |
US20160233724A1 (en) | 2016-08-11 |
JP6306816B2 (ja) | 2018-04-04 |
US20130106197A1 (en) | 2013-05-02 |
EP2590335A1 (en) | 2013-05-08 |
CN105162261B (zh) | 2019-06-18 |
TW201334344A (zh) | 2013-08-16 |
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