JP5274712B1 - 非接触給電システム、及び非接触給電方法 - Google Patents
非接触給電システム、及び非接触給電方法 Download PDFInfo
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- H04B5/79—
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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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or 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
- H02J50/80—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
Abstract
Description
図1に第1実施形態として説明する非接触給電システム1の構成を示している。同図に示すように、この非接触給電システム1は、ビル等の建物内に設けられた2つの部屋5(1),5(2)に適用されている。同図に示すように、部屋5(1)には給電装置10(1)が、部屋5(2)には給電装置10(2)が夫々設けられている。また部屋5(1)には非接触給電の受電側となる受電装置20(1)が存在し、部屋5(2)には非接触給電の受電側となる受電装置20(2)が存在する。給電装置10(1)の電源は、建物8に設けられた分電盤6に繋がる配線61に接続し、給電装置10(2)の電源は、分電盤6に繋がる配線62に接続している。
次に位置標定の仕組みについて説明する。給電装置10は、アンテナ群122を構成している複数のアンテナを周期的に切り換えながら、受電装置20のアンテナ24から送られてくる、スペクトル拡散された無線信号からなる位置標定信号700を受信する。
α=arcTan(D(m)/L(m))=arcSin(ΔL(cm)/6(cm))
の関係となる。尚、ΔL(cm)は、アンテナ群122を構成しているアンテナのうち、特定の2つのアンテナと受電装置20との間の伝搬路長差である。
ΔL(cm)=Δθ/(2π/λ(cm))
の関係がある。また位置標定信号700として、例えば、2.4GHz帯の電波を用いた場合はλ≒12(cm)であるので、
α=arcSin(Δθ/π)
の関係がある。また測定可能範囲(−π/2<Δθ<π/2)内では、α=Δθ(ラジアン)となるので、上式から給電装置10が存在する方向を特定することができる。
Δd(x)=(H−h)×Tan(ΔΦ(x))
Δd(y)=(H−h)×Tan(ΔΦ(y))
そして原点の位置を(X1,Y1)とすれば、受電装置20の現在位置(Xx,Yy)は次式から求めることができる。
Xx=X1+Δd(x)
Yy=Y1+Δd(y)
図11は非接触給電システム1により行われる、給電装置10から受電装置20への電力供給を開始する処理(以下、電力供給開始処理S1100と称する。)を説明するフローチャートである。電力供給開始処理S1100は、例えば、受電装置20のユーザが受電装置20に所定の操作入力を行った場合に行われる。
次に第2実施形態の非接触給電システム1について説明する。第2実施形態の非接触給電システム1の基本的な構成(ハードウエア構成、機能構成)は第1実施形態と同様である。
続いて第3実施形態の非接触給電システム1について説明する。第3実施形態の非接触給電システム1の基本的な構成(ハードウエア構成、機能構成)は第1実施形態と同様である。
第1実施形態の非接触給電システム1では、受電装置20の現在位置を前述した位置標定の仕組みによって取得するが、第4実施形態の非接触給電システム1では、受信装置20に設けたGPSによって受電装置20の現在位置を取得する。
図18は第4実施形態として説明する電力供給開始処理(以下、電力供給開始処理S1800と称する。)を説明するフローチャートである。電力供給開始処理S1800は、例えば、受電装置20のユーザが受電装置20に所定の操作入力を行った場合に行われる。
続いて第5実施形態の非接触給電システム1について説明する。第5実施形態の非接触給電システム1の基本的な構成(ハードウエア構成、機能構成)は第1実施形態と同様である。
図21は給電装置10から受電装置20への電力供給方法の他の態様を説明するフローチャートである。以下、同図に示す処理(以下、電力供給処理S2100と称する。)について説明する。
図22は給電装置10から受電装置20への電力供給方法の他の態様を説明するフローチャートである。以下、同図に示す処理(以下、電力供給処理S2200と称する。)について説明する。
Claims (5)
- 受電装置に非接触給電により電力供給を行う給電装置と、
前記受電装置の現在位置を取得する位置取得部と、
前記受電装置から送られてくる認証情報に基づき認証を行う認証部と、
前記受電装置が予め設定された三次元のエリア内に存在する場合は前記電力供給を許可し、
前記受電装置が前記エリア外に存在し、かつ、前記認証に成功した場合は前記電力供給を許可し、
前記受電装置が前記エリア外に存在し、かつ、前記認証に成功しない場合は前記電力供給を許可しないように制御する、制御部と
を備えることを特徴とする非接触給電システム。 - 請求項1に記載の非接触給電システムであって、
前記位置取得部は互いに隣接して配置された複数のアンテナを備え、
前記位置取得部は、前記アンテナにより前記受電装置から位置標定信号を受信し、前記複数のアンテナの夫々によって受信される前記位置標定信号の位相差Δθに基づき自身から見た前記受電装置の方向αを求め、求めた前記方向αに基づき前記受電装置の現在位置を取得する
ことを特徴とする非接触給電システム。 - 請求項1又は2に記載の非接触給電システムであって、
前記受電装置はGPSを備え、
前記位置取得部は、前記受電装置から送られてくる、前記受電装置が前記GPSによって取得した現在位置を受信することにより、前記受電装置の現在位置を取得する
ことを特徴とする非接触給電システム。 - 請求項1ないし3のいずれか一項に記載の非接触給電システムであって、
前記制御部は、前記給電装置が、前記受電装置の受電に関する仕様に対応している場合に、前記電力供給を許可する
ことを特徴とする非接触給電システム。 - 受電装置に非接触給電により電力供給を行い、
前記受電装置の現在位置を取得する位置取得部と、
前記受電装置から送られてくる認証情報に基づき認証を行う認証部と、
を備える給電装置が、
前記受電装置が予め設定された三次元のエリア内に存在する場合は前記電力供給を許可し、
前記受電装置が前記エリア外に存在し、かつ、前記認証に成功した場合は前記電力供給を許可し、
前記受電装置が前記エリア外に存在し、かつ、前記認証に成功しない場合は前記電力供給を許可しないように制御する
ことを特徴とする非接触給電方法。
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PCT/JP2011/070564 WO2013035190A1 (ja) | 2011-09-09 | 2011-09-09 | 非接触給電システム、及び非接触給電方法 |
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EP (1) | EP2755300A4 (ja) |
JP (1) | JP5274712B1 (ja) |
KR (1) | KR101573347B1 (ja) |
CN (1) | CN103828188B (ja) |
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- 2011-09-09 EP EP11871902.0A patent/EP2755300A4/en not_active Withdrawn
- 2011-09-09 WO PCT/JP2011/070564 patent/WO2013035190A1/ja active Application Filing
- 2011-09-09 US US14/342,761 patent/US9571162B2/en active Active
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JP2006334208A (ja) * | 2005-06-03 | 2006-12-14 | Matsushita Electric Ind Co Ltd | 多機能処理装置 |
JP2007135335A (ja) * | 2005-11-11 | 2007-05-31 | Toyota Motor Corp | エネルギー供給装置、エネルギー供給方法 |
JP2008092704A (ja) * | 2006-10-03 | 2008-04-17 | Toyota Motor Corp | 路車間電力供給システム |
JP2009189230A (ja) * | 2008-01-09 | 2009-08-20 | Seiko Epson Corp | 送電制御装置、送電装置、無接点電力伝送システム、電子機器および送電制御方法 |
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Also Published As
Publication number | Publication date |
---|---|
EP2755300A4 (en) | 2015-04-22 |
US20140239734A1 (en) | 2014-08-28 |
CN103828188A (zh) | 2014-05-28 |
CN103828188B (zh) | 2016-08-31 |
KR20140064865A (ko) | 2014-05-28 |
KR101573347B1 (ko) | 2015-12-01 |
WO2013035190A1 (ja) | 2013-03-14 |
EP2755300A1 (en) | 2014-07-16 |
US9571162B2 (en) | 2017-02-14 |
JPWO2013035190A1 (ja) | 2015-03-23 |
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