JP2010068657A - ワイヤレス電力送信装置及び共鳴周波数調整方法 - Google Patents
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Abstract
【解決手段】交流電力の周波数をスイープさせて第1共鳴コイル74の共鳴周波数(f1)を求め、且つ、第2共鳴コイル81の共鳴周波数(f2)を求める。そして、キャリア発振器71より出力される交流電力の周波数を、各共鳴周波数の中間周波数である(f1+f2)/2とする。これにより、キャリア発振器71より出力する交流電力の周波数を調整するという簡単な操作で、電力の伝送効率を向上させることができる。
【選択図】図2
Description
11,15 給電装置
12,16 充電装置
21 キャリア発振器(電力出力手段)
22 ASK変調器(変調手段)
23 電力増幅器(電力増幅手段)
24 第1共鳴コイル(第1通信端末)
25 共鳴周波数検出部
26 共鳴周波数調整部
31 第2共鳴コイル(第2通信端末)
32 結合分配器(分配手段)
33 整流器(整流手段)
34 ASK復調器(復調手段)
35 バッテリ
36 共鳴周波数検出部
37 共鳴周波数調整部
39 送信部
41 サブバッテリ
42 DC/DCコンバータ
43 インバータ
44 モータ
71 キャリア発振器
72 ASK変調器
73 電力増幅器
74 第1共鳴コイル
75 アンテナ(給電側受信手段)
76 増幅器
77 復調器
78 共鳴周波数検出部
79 制御部
81 第2共鳴コイル
82 結合分配器
83 整流器
84 ASK復調器
85 バッテリ
86 発振器
87 ASK変調器
88 アンテナ(車両側受信手段)
89 共鳴周波数検出部
Claims (8)
- 所定周波数の交流電力を出力する交流電力出力手段と、
第1共鳴コイル、及び該第1共鳴コイルと対向配置された第2共鳴コイルとを有し、
前記交流電力出力手段より出力される交流電力を前記第1共鳴コイルに出力し、共鳴現象により非接触で前記交流電力を前記第2共鳴コイルに送信するワイヤレス電力送信装置において、
前記第1共鳴コイルの共鳴周波数、及び前記第2共鳴コイルの共鳴周波数をそれぞれ測定し、前記交流電力出力手段より出力する交流電力の周波数を、前記各共鳴周波数の中間周波数に設定する周波数設定手段を備えることを特徴とするワイヤレス電力送信装置。 - 所定周波数の交流電力を出力する交流電力出力手段と、
第1共鳴コイル、及び該第1共鳴コイルと対向配置された第2共鳴コイルとを有し、
前記交流電力出力手段より出力される交流電力を前記第1共鳴コイルに出力し、共鳴現象により非接触で前記交流電力を前記第2共鳴コイルに送信するワイヤレス電力送信装置において、
前記交流電力出力手段より出力する交流電力の周波数と、前記第1共鳴コイルの共鳴周波数及び前記第2共鳴コイルの共鳴周波数とが一致するように、前記第1,第2共鳴コイルの共鳴周波数を調整する周波数調整手段を備えることを特徴とするワイヤレス電力送信装置。 - 前記第1共鳴コイル、及び前記第2共鳴コイルはそれぞれコンデンサ、及び該コンデンサの容量を変更するバラクタを備え、前記周波数調整手段は、前記バラクタを調整することにより、前記第1共鳴コイル、及び前記第2共鳴コイルの共鳴周波数を調整することを特徴とする請求項2に記載のワイヤレス電力送信装置。
- 前記第1共鳴コイル、及び前記第2共鳴コイルは、それぞれ、各コイルのギャップを調整するギャップ調整手段を備え、
前記周波数調整手段は、前記ギャップを調整することにより、前記第1共鳴コイル、及び前記第2共鳴コイルの共鳴周波数を調整することを特徴とする請求項2に記載のワイヤレス電力送信装置。 - 所定周波数の交流電力を第1共鳴コイルに出力し、共鳴現象を利用して、非接触で前記第1共鳴コイルと対向配置された第2共鳴コイルに交流電力を送信するワイヤレス電力送信装置の共鳴周波数調整方法において、
前記第1共鳴コイル、及び第2共鳴コイルの共鳴周波数を測定し、前記所定周波数を前記第1共鳴コイル、及び第2共鳴コイルの各共鳴周波数の、中間周波数に設定することを特徴とするワイヤレス電力送信装置の共鳴周波数調整方法。 - 所定周波数の交流電力を第1共鳴コイルに出力し、共鳴現象を利用して、非接触で前記第1共鳴コイルと対向配置された第2共鳴コイルに交流電力を送信するワイヤレス電力送信装置の共鳴周波数調整方法において、
前記交流電力出力手段より出力する交流電力の周波数と、前記第1共鳴コイルの共鳴周波数及び前記第2共鳴コイルの共鳴周波数とが一致するように、前記第1,第2共鳴コイルの共鳴周波数を調整することを特徴とするワイヤレス電力送信装置の共鳴周波数調整方法。 - 前記第1共鳴コイル、及び第2共鳴コイルは、それぞれコンデンサ及び該コンデンサの容量を調整するバラクタを備え、該バラクタにより前記第1共鳴コイル、及び第2共鳴コイルの共鳴周波数を調整することを特徴とする請求項6に記載のワイヤレス電力送信装置の共鳴周波数調整方法。
- 前記第1共鳴コイル、及び前記第2共鳴コイルのギャップを調整することにより、前記第1共鳴コイル、及び第2共鳴コイルの共鳴周波数を調整することを特徴とする請求項6に記載のワイヤレス電力送信装置の共鳴周波数調整方法。
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Cited By (28)
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JP2010093944A (ja) * | 2008-10-08 | 2010-04-22 | Toyota Motor Corp | 車両の受電制御装置およびそれを備える車両 |
JP2010183811A (ja) * | 2009-02-09 | 2010-08-19 | Toyota Industries Corp | 非接触電力伝送装置 |
JP2011121456A (ja) * | 2009-12-10 | 2011-06-23 | Toyota Motor Corp | 給電装置、車両および車両給電システム |
JP2012050321A (ja) * | 2010-07-28 | 2012-03-08 | Semiconductor Energy Lab Co Ltd | 無線給電システム、及び無線給電方法 |
JP2012060721A (ja) * | 2010-09-07 | 2012-03-22 | Toshiba Corp | 無線電力伝送システム、該システムの送電装置および受電装置 |
WO2012066862A1 (ja) * | 2010-11-17 | 2012-05-24 | 富士機械製造株式会社 | 往復移動装置 |
WO2012086473A1 (en) * | 2010-12-20 | 2012-06-28 | Yazaki Corporation | Resonance coil and contactless power transmission system incorporating the same resonance coil |
WO2012086625A1 (ja) | 2010-12-21 | 2012-06-28 | 矢崎総業株式会社 | 給電システム |
WO2012128093A1 (ja) | 2011-03-18 | 2012-09-27 | 矢崎総業株式会社 | 給電システム |
WO2012132413A1 (ja) | 2011-03-31 | 2012-10-04 | 株式会社エクォス・リサーチ | 電力伝送システム |
JP2012191697A (ja) * | 2011-03-09 | 2012-10-04 | Hitachi Maxell Energy Ltd | 非接触電力伝送装置 |
JP2013153636A (ja) * | 2011-12-28 | 2013-08-08 | Nippon Telegr & Teleph Corp <Ntt> | 共鳴型無線電力伝送装置 |
WO2013129451A1 (ja) | 2012-02-29 | 2013-09-06 | 株式会社エクォス・リサーチ | 電力伝送システム |
WO2013129452A1 (ja) | 2012-02-29 | 2013-09-06 | 株式会社エクォス・リサーチ | 電力伝送システム |
WO2013145488A1 (ja) | 2012-03-30 | 2013-10-03 | 株式会社エクォス・リサーチ | 電力伝送システム |
WO2014034844A1 (ja) | 2012-08-31 | 2014-03-06 | 株式会社エクォス・リサーチ | 電力伝送システム |
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