JP2016012975A - 非接触給電装置、非接触受電装置、及び非接触給電システム - Google Patents
非接触給電装置、非接触受電装置、及び非接触給電システム Download PDFInfo
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- JP2016012975A JP2016012975A JP2014133029A JP2014133029A JP2016012975A JP 2016012975 A JP2016012975 A JP 2016012975A JP 2014133029 A JP2014133029 A JP 2014133029A JP 2014133029 A JP2014133029 A JP 2014133029A JP 2016012975 A JP2016012975 A JP 2016012975A
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- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 16
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Classifications
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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
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
【解決手段】給電装置20は励磁回路22と給電コイル23とを備える。励磁回路22は、受電装置30から負荷40に印加される交流電圧の周期でデューティ比が増減を繰り返すようなPWM信号に応じて、整流平滑回路21からの入力電圧をスイッチングすることによって、給電コイル23に印加する励磁電流を発生する。受電装置30は受電コイル31とフィルタ回路32とを備える。フィルタ回路32は、電磁誘導により受電コイル31に発生する交流波形から、負荷40に印加される交流電圧の周波数よりも高周波の周波数成分を減衰させる。
【選択図】図1
Description
20 給電装置(非接触給電装置)
21 整流平滑回路
22 励磁回路(励磁部)
23 給電コイル
241 PWM信号発生部
30 受電装置(非接触受電装置)
31 受電コイル
32 フィルタ回路(フィルタ部)
321 コンデンサ
40 負荷
S1 正弦波信号
S2 基準信号(三角波信号)
S3 PWM信号
V2 交流電圧
Claims (5)
- 非接触受電装置が備える受電コイルに電磁的に結合されて、前記受電コイルに電磁誘導により電力を供給する給電コイルと、
前記非接触受電装置から負荷に印加される交流電圧の周期でデューティ比が増減を繰り返すようなPWM信号に応じて、入力電圧をスイッチングすることによって前記給電コイルに印加する励磁電流を発生する励磁部とを備えた
ことを特徴とする非接触給電装置。 - 前記非接触受電装置から前記負荷に印加される交流電圧と周期が同じ正弦波信号の信号レベルと、前記正弦波信号の周波数よりも高周波の三角波信号の信号レベルとの高低を比較することによって、前記PWM信号を生成するPWM信号発生部を備えた
ことを特徴とする請求項1記載の非接触給電装置。 - 非接触給電装置が備える給電コイルに電磁的に結合されて、前記給電コイルから電磁誘導により電力を受ける受電コイルと、
電磁誘導により前記受電コイルに発生する交流波形から、負荷に印加される交流電圧の周波数よりも高周波の周波数成分を減衰させるフィルタ部とを備えた
ことを特徴とする非接触受電装置。 - 前記フィルタ部は、前記受電コイルとコンデンサとを含むLCフィルタ回路である
ことを特徴とする請求項3記載の非接触受電装置。 - 請求項1又は2の何れかに記載の非接触給電装置と、請求項3又は4の何れかに記載の非接触受電装置とを備えた
ことを特徴とする非接触給電システム。
Priority Applications (2)
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JP2014133029A JP6347389B2 (ja) | 2014-06-27 | 2014-06-27 | 非接触給電装置、非接触受電装置、及び非接触給電システム |
PCT/JP2015/003182 WO2015198602A1 (ja) | 2014-06-27 | 2015-06-24 | 非接触給電装置、非接触受電装置及び非接触給電システム |
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JP2014133029A JP6347389B2 (ja) | 2014-06-27 | 2014-06-27 | 非接触給電装置、非接触受電装置、及び非接触給電システム |
Publications (2)
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JP2016012975A true JP2016012975A (ja) | 2016-01-21 |
JP6347389B2 JP6347389B2 (ja) | 2018-06-27 |
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WO (1) | WO2015198602A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019170144A (ja) * | 2018-03-23 | 2019-10-03 | 悠 小澤 | 無線給電システム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011211863A (ja) * | 2010-03-30 | 2011-10-20 | Sharp Corp | 非接触給電装置 |
US20140091635A1 (en) * | 2012-09-28 | 2014-04-03 | Denso Corporation | Wireless power supply apparatus, filter unit and power supply apparatus for robot using the filter unit |
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US6772011B2 (en) * | 2002-08-20 | 2004-08-03 | Thoratec Corporation | Transmission of information from an implanted medical device |
US20140125139A1 (en) * | 2012-11-05 | 2014-05-08 | O2Micro Inc. | Method and apparatus for wireless power transmission |
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- 2014-06-27 JP JP2014133029A patent/JP6347389B2/ja active Active
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- 2015-06-24 WO PCT/JP2015/003182 patent/WO2015198602A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011211863A (ja) * | 2010-03-30 | 2011-10-20 | Sharp Corp | 非接触給電装置 |
US20140091635A1 (en) * | 2012-09-28 | 2014-04-03 | Denso Corporation | Wireless power supply apparatus, filter unit and power supply apparatus for robot using the filter unit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019170144A (ja) * | 2018-03-23 | 2019-10-03 | 悠 小澤 | 無線給電システム |
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WO2015198602A1 (ja) | 2015-12-30 |
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