JP6071655B2 - 無線電力伝送装置 - Google Patents
無線電力伝送装置 Download PDFInfo
- Publication number
- JP6071655B2 JP6071655B2 JP2013044387A JP2013044387A JP6071655B2 JP 6071655 B2 JP6071655 B2 JP 6071655B2 JP 2013044387 A JP2013044387 A JP 2013044387A JP 2013044387 A JP2013044387 A JP 2013044387A JP 6071655 B2 JP6071655 B2 JP 6071655B2
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- JP
- Japan
- Prior art keywords
- parasitic loop
- loop element
- power transmission
- magnetic core
- wireless power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
-
- 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
- H02J50/90—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
- H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
-
- 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
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
10 共振子
12 コイル
12A 磁性体コア
12B 巻き線部
14 キャパシタ
16 寄生ループ素子
20 高周波電源回路
30 制御部
32 送電電力監視部
34 共振周波数監視部
36 寄生ループ制御部
38 結合係数監視部
40 通信部
Claims (9)
- 高周波電源からの電力を、受電装置に対して相互インダクタンスにより無線で送電する共振子と、
送電電力を検出し、検出結果に基づいて、送電電力を制御する制御部と、
を備え、
前記共振子は、
磁性体コア及び前記磁性体コアに巻きつけられた巻き線を有するコイルと、
前記コイルに発生する磁界と鎖交するように配置される寄生ループ素子と、
を備え、
前記制御部は、前記共振子に供給される電流の変化に基づいて前記共振子の共振状態の変化を検出し、検出した前記共振状態の変化に基づいて、前記寄生ループ素子の磁束鎖交量を調整することを特徴とする無線電力伝送装置。 - 前記寄生ループ素子のループの開閉を切り替えるスイッチをさらに備え、
前記制御部は、前記スイッチのオンオフを制御することを特徴とする請求項1に記載の無線電力伝送装置。 - 前記寄生ループ素子は前記磁性体コアの表面上に配置され、
前記制御部は、前記寄生ループ素子を、前記磁性体コアの表面の垂線を軸に回転させることを特徴とする請求項1に記載の無線電力伝送装置。 - 前記寄生ループ素子は、前記磁性体コアの表面に対して斜めに配置され、
前記制御部は、前記表面に対する傾斜角を制御することを特徴とする請求項1に記載の無線電力伝送装置。 - 前記寄生ループ素子は複数設けられ、
各寄生ループ素子は、ループの開閉を切り替えるスイッチを有し、
前記制御部は、各スイッチのオンオフを制御することを特徴とする請求項1に記載の無線電力伝送装置。 - 前記複数の寄生ループ素子には、第1サイズの寄生ループ素子と、前記第1サイズとは異なる第2サイズの寄生ループ素子とが含まれることを特徴とする請求項5に記載の無線電力伝送装置。
- 前記寄生ループ素子は、前記磁性体コアの表面上を移動可能に設けられ、
前記制御部は、前記寄生ループ素子の位置を制御することを特徴とする請求項1に記載の無線電力伝送装置。 - 前記寄生ループ素子は、前記巻き線部に沿って、前記磁性体コアの中心部と側部との間を移動することを特徴とする請求項7に記載の無線電力伝送装置。
- 前記寄生ループ素子は、前記磁性体コアの周縁部に沿って移動することを特徴とする請求項7に記載の無線電力伝送装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013044387A JP6071655B2 (ja) | 2013-03-06 | 2013-03-06 | 無線電力伝送装置 |
EP14154829.7A EP2775583A3 (en) | 2013-03-06 | 2014-02-12 | Resonator and wireless power transmitting apparatus |
US14/185,035 US20140252868A1 (en) | 2013-03-06 | 2014-02-20 | Resonator and Wireless Power Transmitting Apparatus |
CN201410077790.3A CN104037950A (zh) | 2013-03-06 | 2014-03-05 | 共振器和无线功率传送装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013044387A JP6071655B2 (ja) | 2013-03-06 | 2013-03-06 | 無線電力伝送装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014176139A JP2014176139A (ja) | 2014-09-22 |
JP6071655B2 true JP6071655B2 (ja) | 2017-02-01 |
Family
ID=50071530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013044387A Active JP6071655B2 (ja) | 2013-03-06 | 2013-03-06 | 無線電力伝送装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140252868A1 (ja) |
EP (1) | EP2775583A3 (ja) |
JP (1) | JP6071655B2 (ja) |
CN (1) | CN104037950A (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6071654B2 (ja) | 2013-03-06 | 2017-02-01 | 株式会社東芝 | コイル、受電装置、及び送電装置 |
JP2014204603A (ja) * | 2013-04-08 | 2014-10-27 | ソニー株式会社 | 給電装置および給電システム |
JP6315382B2 (ja) * | 2013-12-19 | 2018-04-25 | パナソニックIpマネジメント株式会社 | 無線電力伝送のための送電装置および受電装置ならびに無線電力伝送システム |
JP5975241B2 (ja) * | 2014-02-28 | 2016-08-23 | パナソニックIpマネジメント株式会社 | 異物検出装置、無線電力伝送のための送電装置および受電装置ならびに無線電力伝送システム |
US10224753B2 (en) | 2015-05-27 | 2019-03-05 | Qualcomm Incorporated | Wireless power transfer using a field altering circuit |
JP6287993B2 (ja) * | 2015-08-04 | 2018-03-07 | トヨタ自動車株式会社 | 車両 |
JP6988643B2 (ja) * | 2018-03-29 | 2022-01-05 | Tdk株式会社 | ワイヤレス受電装置、及びワイヤレス電力伝送システム |
US10505394B2 (en) * | 2018-04-21 | 2019-12-10 | Tectus Corporation | Power generation necklaces that mitigate energy absorption in the human body |
US10895762B2 (en) | 2018-04-30 | 2021-01-19 | Tectus Corporation | Multi-coil field generation in an electronic contact lens system |
US10838239B2 (en) | 2018-04-30 | 2020-11-17 | Tectus Corporation | Multi-coil field generation in an electronic contact lens system |
US10790700B2 (en) | 2018-05-18 | 2020-09-29 | Tectus Corporation | Power generation necklaces with field shaping systems |
US11137622B2 (en) | 2018-07-15 | 2021-10-05 | Tectus Corporation | Eye-mounted displays including embedded conductive coils |
US10838232B2 (en) | 2018-11-26 | 2020-11-17 | Tectus Corporation | Eye-mounted displays including embedded solenoids |
US10644543B1 (en) | 2018-12-20 | 2020-05-05 | Tectus Corporation | Eye-mounted display system including a head wearable object |
US10944290B2 (en) | 2019-08-02 | 2021-03-09 | Tectus Corporation | Headgear providing inductive coupling to a contact lens |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08162331A (ja) * | 1994-12-05 | 1996-06-21 | Hitachi Ltd | 可変インダクタ及びそれを用いた半導体集積回路 |
JPH1140428A (ja) * | 1997-07-23 | 1999-02-12 | Hokko Denshi Kk | うず電流を利用した可変コイル |
US6549096B2 (en) * | 2001-03-19 | 2003-04-15 | International Business Machines Corporation | Switched inductor/varactor tuning circuit having a variable integrated inductor |
JP2006148518A (ja) * | 2004-11-19 | 2006-06-08 | Matsushita Electric Works Ltd | 非接触icカードの調整装置および調整方法 |
JP4468297B2 (ja) * | 2005-12-28 | 2010-05-26 | 株式会社東芝 | 可変インダクタ素子およびその製造方法、移動無線装置 |
JP4911148B2 (ja) * | 2008-09-02 | 2012-04-04 | ソニー株式会社 | 非接触給電装置 |
US20120256494A1 (en) * | 2008-09-27 | 2012-10-11 | Kesler Morris P | Tunable wireless energy transfer for medical applications |
JP5240786B2 (ja) * | 2009-08-25 | 2013-07-17 | 国立大学法人埼玉大学 | 非接触給電装置 |
US8934857B2 (en) * | 2010-05-14 | 2015-01-13 | Qualcomm Incorporated | Controlling field distribution of a wireless power transmitter |
JP5404573B2 (ja) * | 2010-09-27 | 2014-02-05 | 株式会社東芝 | 無線電力伝送装置および無線電力受信装置 |
US9126490B2 (en) * | 2010-10-29 | 2015-09-08 | Qualcomm Incorporated | Wireless energy transfer via coupled parasitic resonators |
-
2013
- 2013-03-06 JP JP2013044387A patent/JP6071655B2/ja active Active
-
2014
- 2014-02-12 EP EP14154829.7A patent/EP2775583A3/en not_active Withdrawn
- 2014-02-20 US US14/185,035 patent/US20140252868A1/en not_active Abandoned
- 2014-03-05 CN CN201410077790.3A patent/CN104037950A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN104037950A (zh) | 2014-09-10 |
EP2775583A2 (en) | 2014-09-10 |
US20140252868A1 (en) | 2014-09-11 |
JP2014176139A (ja) | 2014-09-22 |
EP2775583A3 (en) | 2014-11-19 |
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