JP5899306B2 - 非接触充電システム、非接触送電装置及び方法、並びに非接触受電装置及び方法 - Google Patents
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Description
本発明の非接触充電システムに係る第1実施形態について、図1乃至図4を参照して説明する。
次に、本発明の非接触充電システムに係る第2実施形態について、図5を参照して説明する。第2実施形態では、送電側装置及び受電側装置各々の回路構成が一部異なっている以外は、第1実施形態の構成と同様である。よって、第2実施形態について、第1実施形態と重複する説明を省略すると共に、図面上における共通箇所には同一符号を付して示し、基本的に異なる点についてのみ、図5を参照して説明する。図5は、図2と同趣旨の、第2実施形態に係る送電側装置及び受電側装置各々の構成を示すブロック図である。
Claims (11)
- 送電側装置から受電側装置へ磁界共鳴方式により電力を伝送し、前記受電側装置と電気的に接続されたバッテリに充電を行う非接触充電システムであって、
前記受電側装置は、
受電部と、
前記バッテリに係る状態を、前記伝送された電力を充電不可能な第1状態と、前記伝送された電力を充電可能な第2状態と、を切り換える切換手段と、
受電側通信手段と、
を備え、
前記送電側装置は、
送電部と、
前記バッテリを充電する充電処理を開始する前に、前記バッテリに係る状態を前記第1状態から前記第2状態へ切り換えさせるための微小電力が前記送電部から前記受電部へ伝送されるように前記送電部に供給される交流電力を制御する制御手段と、
送電側通信手段と、
を備え、
前記受電側通信手段と前記送電側通信手段とは、前記送電部及び前記受電部を含む電力伝送経路とは異なる通信経路を介して双方向の無線通信を行い、
前記切換手段は、前記受電部が前記微小電力を受電したことを条件に、前記バッテリに係る状態を前記第1状態から前記第2状態へ切り換え、
前記制御手段は、前記送電側通信手段を介して、前記バッテリに係る状態が前記第2状態であることを示す情報を受信したことを条件に、前記バッテリを充電するための前記微小電力よりも大きな電力が前記送電部から前記受電部へ伝送されるように前記送電部に供給される交流電力を制御する
ことを特徴とする非接触充電システム。 - 前記微小電力は、前記受電側装置を構成する部品の電気に係る定格を超えない電力であることを特徴とする請求項1に記載の非接触充電システム。
- 前記受電側通信手段は、前記受電部が前記微小電力を受電したことを条件に、前記送電側通信手段と通信可能となることを特徴とする請求項1に記載の非接触充電システム。
- 前記受電側通信手段は、前記受電部が前記微小電力を受電したことに起因して電源投入されることによって、前記送電側通信手段と通信可能となることを特徴とする請求項3に記載の非接触充電システム。
- 受電側装置へ磁界共鳴方式により電力を伝送し、前記受電側装置と電気的に接続されたバッテリに充電を行う非接触送電装置であって、
送電部と、
前記バッテリを充電する充電処理を開始する前に、前記バッテリに係る状態を、前記伝送された電力を充電不可能な第1状態から前記伝送された電力を充電可能な第2状態へ切り換えさせるための微小電力が前記送電部から前記受電側装置の受電部へ伝送されるように前記送電部に供給される交流電力を制御する制御手段と、
前記受電側装置との間で、前記送電部及び前記受電部を含む電力伝送経路とは異なる通信経路を形成し、前記通信経路を介して双方向の無線通信を行う通信手段と、
を備え、
前記制御手段は、前記通信手段を介して、前記受電側装置から前記バッテリに係る状態が前記第2状態であることを示す情報を受信したことを条件に、前記微小電力よりも大きい電力が前記送電部から前記受電部へ伝送されるように前記送電部に供給される交流電力を制御する
ことを特徴とする非接触送電装置。 - 前記制御手段は、前記送電部に供給される交流電力の周波数を変更しつつ、前記微小電力が前記送電部から前記受電部へ伝送されるように前記送電部に供給される交流電力を制御することを特徴とする請求項5に記載の非接触送電装置。
- 送電側装置から磁界共鳴方式により伝送された電力を受電し、バッテリに充電を行う非接触受電装置であって、
受電部と、
前記バッテリに係る状態を、前記伝送された電力を充電不可能な第1状態と、前記伝送された電力を充電可能な第2状態と、を切り換える切換手段と、
前記送電側装置との間で、前記送電側装置の送電部及び前記受電部を含む電力伝送経路とは異なる通信経路を形成し、前記通信経路を介して双方向の無線通信を行う通信手段と、
を備え、
前記切換手段は、前記受電部が、前記送電部から伝送された微小電力を受電したことを条件に、前記バッテリに係る状態を前記第1状態から前記第2状態へ切り換え、
前記通信手段は、前記バッテリに係る状態が前記第1状態から前記第2状態へ切り換えられた際に、前記送電側装置に対し、前記第2状態であることを示す情報を送信する
ことを特徴とする非接触受電装置。 - 前記通信手段は、前記受電部が前記微小電力を受電したことを条件に、前記送電側装置と通信可能となることを特徴とする請求項7に記載の非接触受電装置。
- 前記通信手段は、前記受電部が前記微小電力を受電したことに起因して電源投入されることによって、前記送電側装置と通信可能となることを特徴とする請求項8に記載の非接触受電装置。
- (i)送電部と、(ii)受電側装置との間で、前記送電部及び前記受電側装置の受電部を含む電力伝送経路とは異なる通信経路を形成し、前記通信経路を介して双方向の無線通信を行う通信手段と、を備え、前記受電側装置へ磁界共鳴方式により電力を伝送し、前記受電側装置と電気的に接続されたバッテリに充電を行う非接触送電装置が実行する非接触送電方法であって、
前記バッテリを充電する充電処理を開始する前に、前記バッテリに係る状態を、前記伝送された電力を充電不可能な第1状態から前記伝送された電力を充電可能な第2状態へ切り換えさせるための微小電力が前記送電部から前記受電部へ伝送されるように前記送電部に供給される交流電力を制御する第1制御工程と、
前記通信手段を介して、前記受電側装置から前記バッテリに係る状態が前記第2状態であることを示す情報を受信したことを条件に、前記微小電力よりも大きい電力が前記送電部から前記受電部へ伝送されるように前記送電部に供給される交流電力を制御する第2制御工程と、
を含むことを特徴とする非接触送電方法。 - (i)受電部と、(ii)送電側装置との間で、前記送電側装置の送電部及び前記受電部を含む電力伝送経路とは異なる通信経路を形成し、前記通信経路を介して双方向の無線通信を行う通信手段と、を備え、前記送電側装置から磁界共鳴方式により伝送された電力を受電し、バッテリに充電を行う非接触受電装置が実行する非接触受電方法であって、
前記受電部が、前記送電部から伝送された微小電力を受電したことを条件に、前記バッテリに係る状態を、前記伝送された電力を充電不可能な第1状態から、前記伝送された電力を充電可能な第2状態へ切り換える切換工程と、
前記バッテリに係る状態が前記第1状態から前記第2状態へ切り換えられた際に、前記送電側装置に対し、前記第2状態であることを示す情報を送信する通信工程と、
を含むことを特徴とする非接触受電方法。
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