JP2010252468A - 送電装置および方法、受電装置および方法、並びに、電力伝送システム - Google Patents
送電装置および方法、受電装置および方法、並びに、電力伝送システム Download PDFInfo
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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
- H02J50/80—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
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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Abstract
【解決手段】送電装置91は、磁界共鳴型電力伝送手法に従って受電装置92に電力を伝送する。この場合、受電装置92の受電電力が最大となるように、送電装置91の送電側共振回路101の共振周波数や、受電装置121の受電側共振回路121の共振周波数を変化させる制御が行われる。具体的には、送電側共振回路101のバリキャップ112や、受電側共振回路121のバリキャップ132の印加電圧を変化させることで、それらの共振周波数を変化させる制御が行われる。本発明は、例えば、電力伝送システムに適用できる。
【選択図】図3
Description
1.基本電力伝送手法
2.第1実施形態(共振周波数可変手法が適用された例)
3.第2実施形態(発振周波数可変手法が適用された例)
4.第3実施形態(送電電力可変手法が適用された例)
[基本電力伝送手法が適用された電力伝送システムの構成例]
Claims (18)
- 発振手段と共振手段を少なくとも含み、磁界共鳴型電力伝送手法に従って受電装置に電力を送電する送電手段と、
前記発振手段の発振周波数と、前記共振手段の共振周波数とのうち少なくとも一方を変化させることで、前記受電装置の受電電力を最大とするように制御する制御手段と
を備える送電装置。 - 前記制御手段は、
前記受電装置によって、前記受電電力に基づいて、前記発振周波数と前記共振周波数のうちの少なくとも一方を変更させる変更命令が生成され、送信されてきた場合、
前記変更命令を受信して、
前記変更命令に従って、前記発振周波数と前記共振周波数とのうち少なくとも一方を変化させる制御を行う
請求項1に記載の送電装置。 - 前記共振手段は、前記共振周波数が可変できるように構成されており、
前記変更命令は、前記共振周波数を変更させる命令であり、
前記制御手段は、前記変更命令に従って、前記共振周波数を変化させる
請求項2に記載の送電装置。 - 前記共振手段は、バリキャップを有し、
前記制御手段は、前記バリキャップの印加電圧を変化させることで、前記共振周波数を変化させる
請求項3に記載の送電装置。 - 前記発振手段は、前記発振周波数が可変できるように構成されており、
前記変更命令は、前記発振周波数を変更させる命令であり、
前記制御手段は、前記変更命令に従って、前記発振周波数を変化させる
請求項2に記載の送電装置。 - 発振手段と共振手段を少なくとも含み、磁界共鳴型電力伝送手法に従って受電装置に電力を送電する送電装置が、
前記発振手段の発振周波数と、前記共振手段の共振周波数とのうち少なくとも一方を変化させることで、前記受電装置の受電電力を最大とするように制御する
ステップを含む送電方法。 - 発振手段と送電側共振手段を少なくとも含み、磁界共鳴型電力伝送手法に従って電力を送電する送電装置から、前記電力が送電されてきた場合、少なくとも受電側共振手段を用いて前記電力を受電する受電手段と、
前記発振手段の発振周波数、前記送電側共振手段の送電側共振周波数、および、前記受電側共振手段の受電側共振周波数のうち少なくともひとつを変化させることで、前記受電手段における受電電力を最大とするように制御する制御手段と
を備える受電装置。 - 前記受電側共振手段は、前記受電側共振周波数が可変できるように構成されており、
前記制御手段は、前記受電電力を計測し、その計測値に基づいて、前記受電側共振周波数を変化させる
請求項7に記載の受電装置。 - 前記受電側共振手段は、バリキャップを有し、
前記制御手段は、前記バリキャップの印加電圧を変化させることで、前記受電側共振周波数を変化させる
請求項8に記載の受電装置。 - 前記送電装置の前記送電側共振手段は、前記送電側共振周波数が可変できるように構成されており、
前記制御手段は、さらに、前記受電電力の計測値に基づいて、前記送電側共振周波数を変更させる変更命令を生成して、前記送電装置に送信する制御を行う
請求項8に記載の受電装置。 - 前記送電装置の前記発振手段は、前記発振周波数が可変できるように構成されており、
前記制御手段は、さらに、前記受電電力の計測値に基づいて、前記発振周波数を変更させる変更命令を生成して、前記送電装置に送信する制御を行う
請求項7に記載の受電装置。 - 発振手段と送電側共振手段を少なくとも含み、磁界共鳴型電力伝送手法に従って電力を送電する送電装置から、前記電力が送電されてきた場合、少なくとも受電側共振手段を用いて前記電力を受電する受電装置が、
前記発振手段の発振周波数、前記送電側共振手段の送電側共振周波数、および、前記受電側共振手段の受電側共振周波数のうち少なくともひとつを変化させることで、前記受電装置における受電電力を最大とするように制御する
ステップを含む受電方法。 - 発振手段と送電側共振手段を少なくとも含み、磁界共鳴型電力伝送手法に従って電力を送電する送電装置と、
前記送電装置から送電されてきた前記電力を、少なくとも受電側共振手段を用いて受電する受電装置と
を備え、
前記発振手段の発振周波数、前記送電側共振手段の送電側共振周波数、および、前記受電側共振手段の受電側共振周波数のうち少なくともひとつを変化させることで、前記受電装置における受電電力を最大とするように制御する
電力伝送システム。 - 磁界共鳴型電力伝送手法に従って受電装置に電力を送電する送電手段と、
前記送電手段の送電電力を変化させることで、前記受電装置の受電電力を制御する制御手段と
を備える送電装置。 - 磁界共鳴型電力伝送手法に従って受電装置に電力を送電する送電装置が、
前記送電装置の送電電力を変化させることで、前記受電装置の受電電力を制御する
ステップを含む送電方法。 - 磁界共鳴型電力伝送手法に従って電力を送電する送電装置から、前記電力が送電されてきた場合、前記電力を受電する受電手段と、
前記送電装置の送電電力を変化させることで、前記受電装置の受電電力を制御する制御手段と
を備える受電装置。 - 磁界共鳴型電力伝送手法に従って電力を送電する送電装置から、前記電力が送電されてきた場合、前記電力を受電する受電装置が、
前記送電装置の送電電力を変化させることで、前記受電装置の受電電力を制御する
ステップを含む受電方法。 - 磁界共鳴型電力伝送手法に従って電力を送電する送電装置と、
前記送電装置から送電されてきた前記電力を受電する受電装置と
を備え、
前記送電装置の送電電力を変化させることで、前記受電装置の受電電力を制御する
電力伝送システム。
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JP2009097661A JP2010252468A (ja) | 2009-04-14 | 2009-04-14 | 送電装置および方法、受電装置および方法、並びに、電力伝送システム |
US12/755,005 US9825490B2 (en) | 2009-04-14 | 2010-04-06 | Power transmission device, power transmission method, power reception device, power reception method, and power transmission system |
CN2010101512460A CN101867229B (zh) | 2009-04-14 | 2010-04-07 | 电力发送、接收设备和方法以及电力传输系统 |
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Also Published As
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US20100259109A1 (en) | 2010-10-14 |
CN101867229B (zh) | 2013-05-01 |
CN101867229A (zh) | 2010-10-20 |
US9825490B2 (en) | 2017-11-21 |
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