JP2013026623A - 無線電力送信装置用コアアセンブリ及びそれを備える無線電力送信装置 - Google Patents
無線電力送信装置用コアアセンブリ及びそれを備える無線電力送信装置 Download PDFInfo
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- 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
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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
- H02J50/005—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
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- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2871—Pancake coils
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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
-
- 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
-
- 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
- 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
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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
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
-
- H—ELECTRICITY
- 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
- 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
- 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
- H04B5/263—Multiple coils at either side
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Coils Or Transformers For Communication (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
【解決手段】本発明の一実施形態による無線電力送信装置用コアアセンブリは、第1レベルに位置するように配置されるメインコイル111と、前記第1レベルより低い第2レベルに位置するようにメインコイル111の下側に配置され、それぞれの一部分がメインコイル111と重なり、それぞれのサイズがメインコイル111のサイズより小さい第1サブコイル112及び第2サブコイル113を備える補助コイルと、メインコイル111及び前記補助コイルを収容するように形成される磁性体のコアとを含む。
【選択図】図3
Description
110 一次側コイル
111 メインコイル
112 第1サブコイル
113 第2サブコイル
112’ 第1導電パターン
113’ 第2導電パターン
115 ベース
120 送信制御部
130 AC/DCコンバータ
150 コア
151 凹部
170 回路基板
Claims (15)
- 第1レベルに位置するように配置されるメインコイルと、
前記第1レベルより低い第2レベルに位置するように前記メインコイルの下側に配置され、それぞれの一部分が前記メインコイルと重なり、それぞれのサイズが前記メインコイルのサイズより小さい第1サブコイル及び第2サブコイルを備える補助コイルと、
前記メインコイル及び前記補助コイルを収容するように形成される磁性体のコアと
を含む、無線電力送信装置用コアアセンブリ。 - 前記第1サブコイル及び前記第2サブコイルは、前記メインコイルの底面に接触するように配置される、請求項1に記載の無線電力送信装置用コアアセンブリ。
- 前記メインコイルの第1方向に沿った幅は、前記第1サブコイルの前記第1方向に沿った幅及び前記第2サブコイルの前記第1方向に沿った幅のそれぞれより大きい、請求項2に記載の無線電力送信装置用コアアセンブリ。
- 前記メインコイルは、前記第1サブコイルの上面及び前記第2サブコイルの上面のそれぞれの一部分を覆ってそれぞれの残りの部分を露出させるように配置される、請求項3に記載の無線電力送信装置用コアアセンブリ。
- 前記メインコイルの前記第1方向に沿った幅は、前記第1サブコイルの前記第1方向に沿った幅と前記第2サブコイルの前記第1方向に沿った幅との和より小さい、請求項3に記載の無線電力送信装置用コアアセンブリ。
- 前記メインコイルの前記第1方向に沿った幅は、前記第1サブコイルの前記第1方向に沿った幅と前記第2サブコイルの前記第1方向に沿った幅との和の60〜80%である、請求項5に記載の無線電力送信装置用コアアセンブリ。
- 前記メインコイルの第2方向に沿った幅は、前記第1サブコイルの前記第2方向に沿った幅及び前記第2サブコイルの前記第2方向に沿った幅のそれぞれと同一である、請求項3に記載の無線電力送信装置用コアアセンブリ。
- 前記第1サブコイルの前記第1方向に沿った幅と前記第2サブコイルの前記第1方向に沿った幅とが同一である、請求項7に記載の無線電力送信装置用コアアセンブリ。
- 前記第1サブコイルと前記第2サブコイルとの対向する側面同士が合わされることによって構成される線は、前記メインコイルの中心を通る線と一致する、請求項8に記載の無線電力送信装置用コアアセンブリ。
- 前記第2方向は前記第1方向に対して垂直である、請求項7に記載の無線電力送信装置用コアアセンブリ。
- 前記補助コイルは、
前記メインコイルの下側に配置される絶縁体のベースと、
前記ベースにおける前記メインコイルに対向する面に形成され、前記第1サブコイルを形成する第1導電パターン、及び前記第2サブコイルを形成する第2導電パターンを備える導電パターンと
を含む、請求項1に記載の無線電力送信装置用コアアセンブリ。 - 前記コアの一面には、前記メインコイル及び前記補助コイルを収容する凹部と、前記凹部を区画する側壁とが形成される、請求項1に記載の無線電力送信装置用コアアセンブリ。
- 前記側壁には、前記メインコイル及び前記補助コイルの端部が前記凹部の外部に延びる通路を形成する複数の延長溝が形成される、請求項12に記載の無線電力送信装置用コアアセンブリ。
- 請求項1に記載のコアアセンブリと、
前記メインコイル及び前記補助コイルからの無線電力信号の送信を制御する送信制御部と
を含む、無線電力送信装置。 - 前記送信制御部は、前記メインコイルと、前記第1サブコイル及び前記第2サブコイルのいずれか一方とに同時に電源が供給されるように制御する、請求項14に記載の無線電力送信装置。
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KR10-2011-0070145 | 2011-07-14 | ||
KR1020110070145A KR101213090B1 (ko) | 2011-07-14 | 2011-07-14 | 무선전력 전송장치용 코어 어셈블리 및 그를 구비하는 무선전력 전송장치 |
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JP2013026623A true JP2013026623A (ja) | 2013-02-04 |
JP5686769B2 JP5686769B2 (ja) | 2015-03-18 |
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US (1) | US9906274B2 (ja) |
EP (1) | EP2546998B1 (ja) |
JP (1) | JP5686769B2 (ja) |
KR (1) | KR101213090B1 (ja) |
CN (1) | CN102882283B (ja) |
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KR20190088871A (ko) * | 2018-01-19 | 2019-07-29 | 엘지전자 주식회사 | 공기 청정기 |
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JP2020141030A (ja) * | 2019-02-27 | 2020-09-03 | Tdk株式会社 | コイル部品 |
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KR102366905B1 (ko) * | 2020-03-30 | 2022-02-24 | 니덱모빌리티코리아 주식회사 | 일체형 베이스를 갖는 차량용 무선 충전 장치 |
KR20210121567A (ko) * | 2020-03-30 | 2021-10-08 | 니덱모빌리티코리아 주식회사 | 일체형 베이스를 갖는 차량용 무선 충전 장치 |
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JP5686769B2 (ja) | 2015-03-18 |
US20130015719A1 (en) | 2013-01-17 |
KR101213090B1 (ko) | 2012-12-18 |
US9906274B2 (en) | 2018-02-27 |
EP2546998A2 (en) | 2013-01-16 |
EP2546998B1 (en) | 2019-09-18 |
CN102882283A (zh) | 2013-01-16 |
CN102882283B (zh) | 2017-04-12 |
EP2546998A3 (en) | 2017-04-19 |
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