JP5488698B2 - 無線送電装置 - Google Patents
無線送電装置 Download PDFInfo
- Publication number
- JP5488698B2 JP5488698B2 JP2012531645A JP2012531645A JP5488698B2 JP 5488698 B2 JP5488698 B2 JP 5488698B2 JP 2012531645 A JP2012531645 A JP 2012531645A JP 2012531645 A JP2012531645 A JP 2012531645A JP 5488698 B2 JP5488698 B2 JP 5488698B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- power transmission
- electromagnetic wave
- power
- correction
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims description 155
- 238000009826 distribution Methods 0.000 claims description 64
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 9
- 230000005674 electromagnetic induction Effects 0.000 description 8
- 238000000605 extraction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000002411 adverse Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
-
- 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
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting 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
- H02J50/10—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
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
3、3a 送電装置
5 受電装置
31 発振器
32 電源
33、43 送電コイル
34 電源
35 補正コイル
36 位相調整回路
51 受電コイル
52 負荷回路
Claims (7)
- 受電装置へ無線で電力を送電する送電装置であって、
前記受電装置へ第一の電磁波を放射する第一のコイルと、
前記第一のコイルの中心軸と自身の中心軸とが互いに異なる位置に配置されるとともに、前記第一の電磁波と逆極性の強度分布となり、且つ前記第一のコイルの電磁波強度よりも小さい第二の電磁波を放射する第二のコイルと
を有することを特徴とする送電装置。 - 前記送電装置は、さらに、
前記第一のコイルおよび前記第二のコイルに電力を供給する少なくとも一つの電源部と
前記第二のコイルに出力する電流の位相と前記第一のコイルに出力する電流の位相とに、該第一のコイルが放射する電磁波と、該第二のコイルが放射する電磁波とが逆極性となる位相差を発生させる位相調整回路とを有し、
前記電源装置と前記位相調整回路とが接続されていることを特徴とする請求項1記載の送電装置。 - 前記位相調整回路は、180度の前記位相差を発生させることを特徴とする請求項2記載の送電装置。
- 前記第一のコイルおよび前記第二のコイルに電力を供給する少なくとも一つの電源部を有し、
前記第一のコイルに流れる電流の向きと、前記第二のコイルに流れる電流の向きとが異なることを特徴とする請求項1記載の送電装置。 - 前記第一のコイル及び前記第二のコイルは、互いに逆巻きであることを特徴とする請求項1記載の送電装置。
- 前記第二のコイルは、前記第一のコイルの周縁と自身の中心軸とが重複する位置に配置されることを特徴とする請求項1乃至請求項5のいずれか一つに記載の送電装置。
- 複数の前記第一のコイルを備え、
前記第二のコイルは、複数の前記第一のコイルのうち最も外側に位置する前記第一のコイルである外側コイルの周縁と自身の中心軸とが重複する位置に配置されることを特徴とする請求項1記載の送電装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/065167 WO2012029179A1 (ja) | 2010-09-03 | 2010-09-03 | 無線送電装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012029179A1 JPWO2012029179A1 (ja) | 2013-10-28 |
JP5488698B2 true JP5488698B2 (ja) | 2014-05-14 |
Family
ID=45772311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012531645A Expired - Fee Related JP5488698B2 (ja) | 2010-09-03 | 2010-09-03 | 無線送電装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130147283A1 (ja) |
EP (1) | EP2613424B1 (ja) |
JP (1) | JP5488698B2 (ja) |
KR (1) | KR20130041987A (ja) |
CN (1) | CN103081293B (ja) |
WO (1) | WO2012029179A1 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101364992B1 (ko) * | 2011-01-28 | 2014-02-20 | 삼성전자주식회사 | 무선 전력 전송 장치 및 방법 |
KR101413490B1 (ko) * | 2012-07-24 | 2014-07-01 | (주)기술과가치 | 무선전력 전송장치 및 이를 이용한 무선충전공간을 구축하는 방법 |
JP5966822B2 (ja) * | 2012-09-28 | 2016-08-10 | Tdk株式会社 | ワイヤレス電力伝送装置 |
JP6133153B2 (ja) * | 2013-07-17 | 2017-05-24 | 株式会社アドバンテスト | 電磁界抑制器、それを用いたワイヤレス送電システム |
JP6179375B2 (ja) * | 2013-11-28 | 2017-08-16 | Tdk株式会社 | コイルユニット |
JP6432251B2 (ja) | 2013-11-28 | 2018-12-05 | Tdk株式会社 | 送電コイルユニット及びワイヤレス電力伝送装置 |
JP6164421B2 (ja) | 2013-11-28 | 2017-07-19 | Tdk株式会社 | 送電コイルユニット及びワイヤレス電力伝送装置 |
JP6249287B2 (ja) * | 2014-03-27 | 2017-12-20 | パナソニックIpマネジメント株式会社 | 非接触給電装置及び非接触給電装置の漏れ磁界測定方法 |
JP6028000B2 (ja) | 2014-05-07 | 2016-11-16 | 株式会社エクォス・リサーチ | 電力伝送システム |
JP6340968B2 (ja) * | 2014-07-14 | 2018-06-13 | Tdk株式会社 | コイルユニットおよびワイヤレス電力伝送装置 |
WO2016039644A2 (en) * | 2014-09-11 | 2016-03-17 | Auckland Uniservices Limited | Magnetic flux coupling structures with controlled flux cancellation |
KR20160037652A (ko) * | 2014-09-29 | 2016-04-06 | 엘지이노텍 주식회사 | 무선 전력 송신 장치 및 무선 전력 수신 장치 |
KR20160082124A (ko) * | 2014-12-31 | 2016-07-08 | 삼성전기주식회사 | 전력 송신 코일 구조 및 그를 이용한 무선 전력 송신 장치 |
US10516304B2 (en) * | 2015-12-22 | 2019-12-24 | Intel Corporation | Wireless charging coil placement for reduced field exposure |
US10411492B2 (en) | 2015-12-23 | 2019-09-10 | Intel Corporation | Wireless power transmitter shield with capacitors |
CN108886270B (zh) * | 2016-02-23 | 2021-12-24 | Tdk株式会社 | 非接触供电装置和非接触电力传输装置 |
US20190214851A1 (en) * | 2016-05-19 | 2019-07-11 | Sharp Kabushiki Kaisha | Power supply device |
JP2022068790A (ja) * | 2020-10-22 | 2022-05-10 | キヤノン株式会社 | 無線伝送システム、制御方法、およびプログラム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0837121A (ja) * | 1994-07-26 | 1996-02-06 | Matsushita Electric Works Ltd | 給電装置 |
JP2008295274A (ja) * | 2007-05-28 | 2008-12-04 | Sony Ericsson Mobilecommunications Japan Inc | 無接点電力伝送コイルユニット、携帯端末、送電装置、及び、無接点電力伝送システム |
JP2009164293A (ja) * | 2007-12-28 | 2009-07-23 | Nec Tokin Corp | 非接触電力伝送装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3247186B2 (ja) * | 1993-03-29 | 2002-01-15 | 江藤電気株式会社 | 可動体側電動駆動手段への給電装置 |
US7126450B2 (en) * | 1999-06-21 | 2006-10-24 | Access Business Group International Llc | Inductively powered apparatus |
US6650213B1 (en) * | 2000-06-02 | 2003-11-18 | Yamatake Corporation | Electromagnetic-induction coupling apparatus |
JP2006314181A (ja) * | 2005-05-09 | 2006-11-16 | Sony Corp | 非接触充電装置及び非接触充電システム並びに非接触充電方法 |
RU2009119727A (ru) * | 2006-10-26 | 2010-12-10 | Конинклейке Филипс Электроникс Н.В. (Nl) | Индуктивная система питания и способ ее работы |
GB0716679D0 (en) * | 2007-08-28 | 2007-10-03 | Fells J | Inductive power supply |
WO2009122355A2 (en) * | 2008-04-03 | 2009-10-08 | Philips Intellectual Property & Standards Gmbh | Wireless power transmission system |
JP5682992B2 (ja) * | 2008-04-04 | 2015-03-11 | Necトーキン株式会社 | 非接触電力伝送装置 |
JP5671200B2 (ja) * | 2008-06-03 | 2015-02-18 | 学校法人慶應義塾 | 電子回路 |
KR101671048B1 (ko) * | 2009-08-25 | 2016-10-31 | 액세스 비지니스 그룹 인터내셔날 엘엘씨 | 영구 적층된 자속 집중기 조립체 및 가요성 자속 집중기 조립체 |
-
2010
- 2010-09-03 CN CN201080068800.7A patent/CN103081293B/zh active Active
- 2010-09-03 WO PCT/JP2010/065167 patent/WO2012029179A1/ja active Application Filing
- 2010-09-03 KR KR1020137005046A patent/KR20130041987A/ko active Search and Examination
- 2010-09-03 EP EP10856728.0A patent/EP2613424B1/en active Active
- 2010-09-03 JP JP2012531645A patent/JP5488698B2/ja not_active Expired - Fee Related
-
2013
- 2013-02-11 US US13/763,901 patent/US20130147283A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0837121A (ja) * | 1994-07-26 | 1996-02-06 | Matsushita Electric Works Ltd | 給電装置 |
JP2008295274A (ja) * | 2007-05-28 | 2008-12-04 | Sony Ericsson Mobilecommunications Japan Inc | 無接点電力伝送コイルユニット、携帯端末、送電装置、及び、無接点電力伝送システム |
JP2009164293A (ja) * | 2007-12-28 | 2009-07-23 | Nec Tokin Corp | 非接触電力伝送装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2613424A1 (en) | 2013-07-10 |
CN103081293A (zh) | 2013-05-01 |
EP2613424B1 (en) | 2016-05-18 |
CN103081293B (zh) | 2016-02-03 |
WO2012029179A1 (ja) | 2012-03-08 |
KR20130041987A (ko) | 2013-04-25 |
EP2613424A4 (en) | 2014-04-23 |
US20130147283A1 (en) | 2013-06-13 |
JPWO2012029179A1 (ja) | 2013-10-28 |
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