JP2008312357A5 - - Google Patents

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Publication number
JP2008312357A5
JP2008312357A5 JP2007158087A JP2007158087A JP2008312357A5 JP 2008312357 A5 JP2008312357 A5 JP 2008312357A5 JP 2007158087 A JP2007158087 A JP 2007158087A JP 2007158087 A JP2007158087 A JP 2007158087A JP 2008312357 A5 JP2008312357 A5 JP 2008312357A5
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JP
Japan
Prior art keywords
antenna
receiving antenna
transmitting antenna
feeding system
wiring
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Application number
JP2007158087A
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Japanese (ja)
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JP2008312357A (en
JP5354874B2 (en
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Priority to JP2007158087A priority Critical patent/JP5354874B2/en
Priority claimed from JP2007158087A external-priority patent/JP5354874B2/en
Publication of JP2008312357A publication Critical patent/JP2008312357A/en
Publication of JP2008312357A5 publication Critical patent/JP2008312357A5/ja
Application granted granted Critical
Publication of JP5354874B2 publication Critical patent/JP5354874B2/en
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Claims (3)

送信アンテナから受信アンテナまで空間をエネルギー伝送する誘導電力給電システムにおいて、前記送信アンテナ及び前記受信アンテナは、両端を有する配線をコイル状に巻いて、前記配線の中程に給電点を設置して成り、
前記配線の両端は開放されるか又はコンデンサで結ばれ、
前記送信アンテナと前記受信アンテナを、前記送信アンテナ及び前記受信アンテナが共振する電磁界の波長より十分短い距離で隔てて配置し、
前記送信アンテナの給電点に接続する電源回路の出力インピーダンスと前記受信アンテナの給電点に接続する負荷回路の入力インピーダンスを、前記電源回路から前記負荷回路への電力の伝送効率が２つの周波数でピークを生じる値に設定するか又は前記ピークを生じる値の限界値に近い値に設定し、
前記ピークを与える周波数で両アンテナを共振させて電力を伝送する
ことを特徴とする誘導電力給電システム。 In inductive power feeding system for energy transfer space from the transmission antenna to the reception antenna, said transmitting antenna and said receiving antenna, by winding a wire having both ends in a coil shape, made by installing a feed point in the middle of the wiring ,
Both ends of the wiring are opened or connected with a capacitor,
The transmitting antenna and the receiving antenna are arranged at a distance sufficiently shorter than the wavelength of the electromagnetic field at which the transmitting antenna and the receiving antenna resonate,
The output impedance of the power supply circuit connected to the feeding point of the transmitting antenna and the input impedance of the load circuit connected to the feeding point of the receiving antenna, the power transmission efficiency from the power supply circuit to the load circuit peaks at two frequencies. Or a value close to the limit value of the value that produces the peak,
An induction power feeding system, wherein power is transmitted by resonating both antennas at a frequency that gives the peak . 前記送信アンテナ又は前記受信アンテナの前記給電点に両端を接続する追加ループ配線を加えたことを特徴とする請求項１記載の誘導電力給電システム。 The inductive power feeding system according to claim 1 , wherein an additional loop wiring connecting both ends to the feeding point of the transmitting antenna or the receiving antenna is added. 前記送信アンテナ又は前記受信アンテナが、平行な２面に形成して面上の配線領域が重なり合うコイル状の配線を接続して成ることを特徴とする請求項１又は２に記載の誘導電力給電システム。The inductive power feeding system according to claim 1 or 2, wherein the transmitting antenna or the receiving antenna is formed by connecting coil-shaped wirings formed on two parallel surfaces and having overlapping wiring regions on the surfaces. .
JP2007158087A 2007-06-15 2007-06-15 Inductive power supply system Active JP5354874B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007158087A JP5354874B2 (en) 2007-06-15 2007-06-15 Inductive power supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007158087A JP5354874B2 (en) 2007-06-15 2007-06-15 Inductive power supply system

Publications (3)

Publication Number Publication Date
JP2008312357A JP2008312357A (en) 2008-12-25
JP2008312357A5 true JP2008312357A5 (en) 2010-11-11
JP5354874B2 JP5354874B2 (en) 2013-11-27

Family

ID=40239435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007158087A Active JP5354874B2 (en) 2007-06-15 2007-06-15 Inductive power supply system

Country Status (1)

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JP (1) JP5354874B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5417942B2 (en) * 2009-03-31 2014-02-19 富士通株式会社 Power transmission device, power transmission / reception device, and power transmission method
JP5417941B2 (en) 2009-03-31 2014-02-19 富士通株式会社 Power transmission equipment
JP5510032B2 (en) 2009-05-14 2014-06-04 日産自動車株式会社 Non-contact power feeding device
US9509166B2 (en) 2011-05-16 2016-11-29 Samsung Electronics Co., Ltd. Apparatus and method for wireless power transmission
WO2013145080A1 (en) * 2012-03-26 2013-10-03 パイオニア株式会社 Short circuit testing device and short circuit testing method
JP6095957B2 (en) * 2012-04-17 2017-03-15 日東電工株式会社 Wireless power transmission device, power feeding device, and power receiving device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10145267A (en) * 1996-09-13 1998-05-29 Hitachi Ltd High efficiency antenna coil, radio card and information communication system using radio card
JP2000148932A (en) * 1998-11-13 2000-05-30 Hitachi Ltd Reader or/and writer, and ic card system using them
JP2007013757A (en) * 2005-07-01 2007-01-18 Nec Tokin Corp Radio tag and radio communication system using radio tag

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