JP2010239848A - 電力伝送装置 - Google Patents
電力伝送装置 Download PDFInfo
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- JP2010239848A JP2010239848A JP2009088396A JP2009088396A JP2010239848A JP 2010239848 A JP2010239848 A JP 2010239848A JP 2009088396 A JP2009088396 A JP 2009088396A JP 2009088396 A JP2009088396 A JP 2009088396A JP 2010239848 A JP2010239848 A JP 2010239848A
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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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- 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
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
【解決手段】送電コイル24から見て受電コイル31とは反対側に磁性体61を配置し、受電コイル31から見て送電コイル24とは反対側に磁性体62を配置する。送電コイル24の磁界は磁性体61によって受電コイル31の方向に指向性を持つ。同様に、受電コイル31は磁性体62によって送電コイル24の方向に指向性を持つ。その結果、送電コイル24と受電コイル31との間の磁界の結合度が大きくなるので、磁気共鳴による電力の伝送効率が向上する。
【選択図】図1
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 電源駆動部
61,62 磁性体
63,63a,63b フェライトコア
Claims (8)
- 外部のコイルと磁界共鳴して磁界エネルギーを伝送する磁界共鳴コイルと、
前記磁界共鳴コイルが前記外部のコイルから受けた前記磁界エネルギーを電力として取り出す電力受信部と、
前記磁気共鳴コイルの前記磁界エネルギー伝送側に対して逆側に設けられた磁性体と
を備えたことを特徴とする電力伝送装置。 - 外部のコイルと磁界共鳴して磁界エネルギーを伝送する磁界共鳴コイルと、
前記磁界共鳴コイルが前記外部のコイルに送る磁界エネルギーを電力として供給する電力送信部と、
前記磁気共鳴コイルの前記磁界エネルギー伝送側に対して逆側に設けられた磁性体と
を備えたことを特徴とする電力伝送装置。 - 前記電力受信部もしくは前記電力送信部は、前記磁界共鳴コイルと電磁誘導する電磁誘導コイルであり、前記電磁誘導コイルは、前記磁性体と前記磁界共鳴コイルとの間に設けられたことを特徴とする請求項1または2に記載の電力伝送装置。
- 前記電力受信部もしくは前記電力送信部は、前記磁界共鳴コイルと電磁誘導する電磁誘導コイルであり、前記電磁誘導コイルは、前記磁界共鳴コイルと同一平面上に設けられたことを特徴とする請求項1または2に記載の電力伝送装置。
- 前記電力受信部もしくは前記電力送信部は、前記磁界共鳴コイルと電磁誘導する電磁誘導コイルであり、前記電磁誘導コイルは、前記磁界共鳴コイルの内側に設けられたことを特徴とする請求項1〜4のいずれか一つに記載の電力伝送装置。
- 前記磁性体として、複数の棒状の磁性体を放射状にかつ前記磁界共鳴コイルに対して平行に配列したことを特徴とする請求項1〜5のいずれか一つに記載の電力伝送装置。
- 前記磁性体として、前記磁界共鳴コイルに対して平行なシート形状の磁性体と、前記円盤形状の磁性体の中央部に配置され、前記磁界共鳴コイルに対して垂直なフェライトコアを設けたことを特徴とする請求項1〜5のいずれか一つに記載の電力伝送装置。
- 前記磁性体および/または前記フェライトコアとして、絶縁部分によって磁性部分が細分化された構成をなしたことを特徴とする請求項1〜7のいずれか一つに記載の電力伝送装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009088396A JP5689587B2 (ja) | 2009-03-31 | 2009-03-31 | 電力伝送装置 |
US12/750,672 US8378525B2 (en) | 2009-03-31 | 2010-03-30 | Power transfer apparatus |
Applications Claiming Priority (1)
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JP2009088396A JP5689587B2 (ja) | 2009-03-31 | 2009-03-31 | 電力伝送装置 |
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Publication Number | Publication Date |
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JP2010239848A true JP2010239848A (ja) | 2010-10-21 |
JP5689587B2 JP5689587B2 (ja) | 2015-03-25 |
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JP2009088396A Expired - Fee Related JP5689587B2 (ja) | 2009-03-31 | 2009-03-31 | 電力伝送装置 |
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US (1) | US8378525B2 (ja) |
JP (1) | JP5689587B2 (ja) |
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WO2012090342A1 (ja) * | 2010-12-27 | 2012-07-05 | パナソニック株式会社 | 非接触給電システムに用いられるコイルユニット |
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US20100244582A1 (en) | 2010-09-30 |
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