JP2015128363A - コイルユニットおよび異物検知装置 - Google Patents
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Abstract
【解決手段】給電コイルユニットL100(コイルユニット)は、給電コイルL1(電力伝送用コイル)と、異物検知装置D100と、を備え、異物検知装置D100は、共振コイルM1と共振キャパシタC1を有する複数の共振器R1と、複数の共振器R1を励磁させる励磁コイルE1と、を有し、複数の共振器R1は、少なくとも給電コイルL1が発生する磁束に鎖交する領域を覆うように行列配置されており、励磁コイルE1は、複数の共振器R1のうち、行方向および列方向に隣り合う共振器を給電コイルL1が励磁しない周波数帯域の互いに異なる共振周波数にて交流磁界を発生させる。
【選択図】図2
Description
次に、図2および図3を参照して、本発明の好適な第1実施形態に係る給電コイルユニットL100の構成について詳細に説明する。図2は、本発明の第1実施形態に係る給電コイルユニットを上面から見た模式構成図である。図3は、図2におけるI−I線に沿う給電コイルユニットの模式切断部端面図である。
次に、図4を参照して、本発明の第2実施形態に係る給電コイルユニットL200の構成について詳細に説明する。図4は、本発明の第2実施形態に係る給電コイルユニットを上面から見た模式構成図である。
次に、図5〜図7を参照して、本発明の第3実施形態に係る給電コイルユニットL300の構成について詳細に説明する。図5は、本発明の第3実施形態に係る給電コイルユニットを上面から見た模式構成図である。図6は、図5におけるII−II線に沿う給電コイルユニットの模式切断部端面図である。図7は、本発明の第3実施形態に係る給電コイルユニットにおける信号発生器、異物検知装置、及び異物検知システムのシステム構成図である。
Claims (4)
- 給電側から受電側への非接触電力伝送に用いられるコイルユニットであって、
電力伝送用コイルと、
異物検知装置と、を備え、
前記異物検知装置は、共振コイルと共振キャパシタを有する複数の共振器と、前記複数の共振器を励磁させる励磁コイルと、を有し、
前記複数の共振器は、少なくとも前記電力伝送用コイルが発生する磁束に鎖交する領域を覆うように行列配置されており、
前記励磁コイルは、前記複数の共振器のうち、行方向および列方向に隣り合う共振器を前記電力伝送用コイルが励磁しない周波数帯域の互いに異なる共振周波数にて交流磁界を発生させることを特徴とするコイルユニット。 - 前記励磁コイルは、前記複数の共振器のうち、1つの共振器と該共振器の周囲に配置される共振器を互いに異なる共振周波数にて交流磁界を発生させることを特徴とする請求項1に記載のコイルユニット。
- 前記異物検知装置は、複数の検出コイルをさらに備え、
前記複数の検出コイルは、それぞれ前記複数の共振器の各共振器と磁気結合するように配置されていることを特徴とする請求項1または2に記載のコイルユニット。 - 異物を検知するための異物検知装置であって、
共振コイルと共振キャパシタを有する複数の共振器と、
前記複数の共振器を励磁させる励磁コイルと、を備え、
前記複数の共振器は、面内方向に行列配置されており、
前記励磁コイルは、前記複数の共振器のうち、行方向および列方向に隣り合う共振器を周波数帯域の互いに異なる共振周波数にて交流磁界を発生させることを特徴とする異物検知装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014204702A JP5904250B2 (ja) | 2013-11-28 | 2014-10-03 | コイルユニットおよび非接触電力伝送装置 |
US14/554,811 US9933378B2 (en) | 2013-11-28 | 2014-11-26 | Coil unit and apparatus for detecting foreign matter |
EP14195246.5A EP2879265B1 (en) | 2013-11-28 | 2014-11-27 | Coil unit and apparatus for detecting foreign matter |
CN201410713434.6A CN104682571B (zh) | 2013-11-28 | 2014-11-28 | 线圈单元以及异物检测装置 |
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JP2013246451 | 2013-11-28 | ||
JP2013246451 | 2013-11-28 | ||
JP2014204702A JP5904250B2 (ja) | 2013-11-28 | 2014-10-03 | コイルユニットおよび非接触電力伝送装置 |
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JP2015128363A true JP2015128363A (ja) | 2015-07-09 |
JP5904250B2 JP5904250B2 (ja) | 2016-04-13 |
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US (1) | US9933378B2 (ja) |
EP (1) | EP2879265B1 (ja) |
JP (1) | JP5904250B2 (ja) |
CN (1) | CN104682571B (ja) |
Cited By (11)
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JP2016019305A (ja) * | 2014-07-04 | 2016-02-01 | トヨタ自動車株式会社 | 送電装置及び受電装置 |
WO2018123767A1 (ja) * | 2016-12-27 | 2018-07-05 | Tdk株式会社 | ワイヤレス給電装置、ワイヤレス受電装置、及びワイヤレス電力伝送システム |
WO2018123770A1 (ja) * | 2016-12-27 | 2018-07-05 | Tdk株式会社 | 金属異物検出装置、ワイヤレス給電装置、ワイヤレス受電装置、及びワイヤレス電力伝送システム |
WO2018235540A1 (ja) * | 2017-06-20 | 2018-12-27 | Tdk株式会社 | 金属異物検出装置、ワイヤレス給電装置、ワイヤレス受電装置、及びワイヤレス電力伝送システム |
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US9933378B2 (en) | 2018-04-03 |
CN104682571B (zh) | 2017-08-22 |
CN104682571A (zh) | 2015-06-03 |
JP5904250B2 (ja) | 2016-04-13 |
US20150145529A1 (en) | 2015-05-28 |
EP2879265B1 (en) | 2018-04-11 |
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