JP6187871B2 - 非接触電力伝送装置、並びにこれに用いる給電装置及び受電装置 - Google Patents
非接触電力伝送装置、並びにこれに用いる給電装置及び受電装置 Download PDFInfo
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- JP6187871B2 JP6187871B2 JP2013540672A JP2013540672A JP6187871B2 JP 6187871 B2 JP6187871 B2 JP 6187871B2 JP 2013540672 A JP2013540672 A JP 2013540672A JP 2013540672 A JP2013540672 A JP 2013540672A JP 6187871 B2 JP6187871 B2 JP 6187871B2
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Description
次に、図11、図12のフローチャートを参照しながら、本実施形態に係る非接触電力伝送制御について説明する。ここでは、図2に示すように、給電装置15は地上に敷設され、受電装置16は車両に搭載されているものとする。
図13(A)は給電装置15の他の構成例を示す部分断面図である。図13(A)では、給電装置15は、図4の構成に加えて、一端が筐体基礎板35に固定され、他端が異物検知部21(電極31)の下面を支持する支持部材50を備えている。
15 給電装置
16 受電装置
21 異物検知部(静電容量センサ)
35 筐体基礎板(筐体基礎部材)
36 カバー
361 上方部
362 側方部
37 高誘電化構造体(高誘電化部材)
40 一次コイル
41 二次コイル
50 支持部材
51 位置調整部
E2 検知電極
Claims (11)
- 給電装置と受電装置との間で電磁誘導を用いた電力伝送を行う非接触電力伝送装置であって、
前記給電装置は、
筐体基礎部材と、
前記筐体基礎部材上に配置され、磁束を発生する一次コイルと、
前記筐体基礎部材に取り付けられ、前記一次コイルの上方を覆う上方部および前記一次コイルの側方を覆う側方部を有するカバーと、
前記カバーの上方部と前記一次コイルとの間および前記カバーの側方部と前記一次コイルとの間に設けられた検知電極を有しており、前記検知電極を介して検知した静電容量の変化に基づいて前記カバー周辺の異物を検知する静電容量センサと、
前記カバーの上方部および側方部に埋め込まれ、前記カバーの材質よりも高い誘電率を有する高誘電化部材と、
を備える非接触電力伝送装置。 - 前記高誘電化部材は、前記磁束の方向において、対応する前記検知電極と重なる範囲に配置されている、
請求項1に記載の非接触電力伝送装置。 - 前記検知電極は、複数個、所定のピッチで配置されており、
前記高誘電化部材は、前記各検知電極とそれぞれ対応するように配置されている、
請求項1に記載の非接触電力伝送装置。 - 前記高誘電化部材は、前記カバーの中心から外方に向かって、前記カバーの面に沿うように、放射状に配置されており、
前記検知電極は、前記高誘電化部材と対応するように配置されている、
請求項1に記載の非接触電力伝送装置。 - 前記カバーに埋め込まれた前記高誘電化部材の密度は、通過する磁束量が少ない位置に比べて、通過する磁束量が多い位置の方が高い、
請求項1に記載の非接触電力伝送装置。 - 前記検知電極は、表面が前記カバーの裏面に接するように配置されている、
請求項1に記載の非接触電力伝送装置。 - 前記検知電極を、前記カバーの裏面に接するように、支持する支持部材を備えている、
請求項6に記載の非接触電力伝送装置。 - 前記支持部材は、前記カバーに外側から押付荷重が加わった場合において、当該押付荷重が解除されたとき、前記検知電極が前記カバーの裏面の元の位置に接するように調整する位置調整部を有している、
請求項7に記載の非接触電力伝送装置。 - 給電装置と受電装置との間で電磁誘導を用いた電力伝送を行う非接触電力伝送装置であって、
前記受電装置は、
筐体基礎部材と、
前記筐体基礎部材上に配置され、前記給電装置から受けた磁束に応じて起電力を発生する二次コイルと、
前記筐体基礎部材に取り付けられ、前記二次コイルの上方を覆う上方部および前記二次コイルの側方を覆う側方部を有するカバーと、
前記カバーの上方部と前記二次コイルとの間および前記カバーの側方部と前記二次コイルとの間に設けられた検知電極を有しており、前記検知電極を介して検知した静電容量の変化に基づいて前記カバー周辺の異物を検知する静電容量センサと、
前記カバーの上方部および側方部に埋め込まれ、前記カバーよりも高い誘電率を有する高誘電化部材と、
を備える非接触電力伝送装置。 - 対向して配置された非接触電力伝送装置の受電装置に対して、電磁誘導を用いた給電を行う給電装置であって、
筐体基礎部材と、
前記筐体基礎部材上に配置され、磁束を発生する一次コイルと、
前記筐体基礎部材に取り付けられ、前記一次コイルの上方を覆う上方部および前記一次コイルの側方を覆う側方部を有するカバーと、
前記カバーの上方部と前記一次コイルとの間および前記カバーの側方部と前記一次コイルとの間に設けられた検知電極を有しており、前記検知電極を介して検知した静電容量の変化に基づいて前記カバー周辺の異物を検知する静電容量センサと、
前記カバーの上方部および側方部に埋め込まれ、前記カバーよりも高い誘電率を有する高誘電化部材と、
を備える給電装置。 - 非接触電力伝送装置の給電装置から伝送された電力を受電する受電装置であって、
筐体基礎部材と、
前記筐体基礎部材上に配置され、前記給電装置から受けた磁束に応じて起電力を発生する二次コイルと、
前記筐体基礎部材に取り付けられ、前記二次コイルの上方を覆う上方部および前記二次コイルの側方を覆う側方部を有するカバーと、
前記カバーの上方部と前記二次コイルとの間および前記カバーの側方部と前記二次コイルとの間に設けられた検知電極を有しており、前記検知電極を介して検知した静電容量の変化に基づいて前記カバー周辺の異物を検知する静電容量センサと、
前記カバーの上方部および側方部に埋め込まれ、前記カバーよりも高い誘電率を有する高誘電化部材と、
を備える受電装置。
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