JP5640515B2 - 電力伝送中継装置、電力伝送装置、及び、電力伝送中継装置の製造方法 - Google Patents
電力伝送中継装置、電力伝送装置、及び、電力伝送中継装置の製造方法 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
- H02J50/50—Circuit arrangements or systems for wireless supply or distribution of electric power using additional energy repeaters 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
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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Description
1.全体概要(構成、共鳴関係)
2.配置上の問題点と対策原理(固定手法、複数のレピータの配置手法)
3.実施例1(第1例〜第4例)
4.実施例2(第1例〜第3例)
[構成]
図1は、本実施形態の非接触電力伝送装置の全体構成の概要を示す図である。本実施形態の非接触電力伝送装置1は、送電端末3(電力供給装置)、中継端末5(電力伝送中継装置)、受電端末7(電力受電装置)を備える。
図2〜図4は、共鳴関係について説明する図である。ここで、図2は、中継端末5が存在しない場合であり、図3は、中継端末5が存在する場合である。図4は、電磁共鳴の回路解析を説明する図である。
中継共鳴素子58を使用する場合、給電共鳴素子38と受電共鳴素子78の間(1つの場合は中間点が最適)に中継共鳴素子58を如何様にして配置するかが問題となる。第1の観点としては、中継共鳴素子58を如何様にして決められた位置に固定するかが問題である。第2の観点としては、複数の中継共鳴素子58を使用する場合、それぞれの間隔を如何様にするかの問題も加わる。
先ず、第1の観点(固定手法)からの問題点とその対策原理について説明する。レピータ(中継共鳴素子58)そのものは、単純なアンテナ構造(例えばコイル構造)であるため、その構成はシンプルである。電気的には、図4(B)にも示したように、コイルの形状、巻数によって決まるインダクタンス成分Lと、そのコイル周辺の浮遊容量によって決定される容量成分Cにより、固有の電気的な「共振(共鳴)周波数(自己共振周波数)」が決まる。浮遊容量は、固定コンデンサを用いることで、特定の共振周波数をもった共振回路として構成しても良いことはレピータの構造上当然のことである。
次に、第2の観点(複数のレピータを使用する場合)からの問題点とその対策原理について説明する。図3から分かるように、共振器同士が近づきすぎると伝送効率が低下する。このことは、複数のレピータを使用する場合においても同様であり、レピータ同士が近づき過ぎると伝送効率が低下する。つまり、レピータ同士が近づき過ぎると、お互いの共振特性が重なり合い、その結果、Q値(コイルの共振の度合い)が低下し、電力伝送効率が低下する。このことは、レピータはその電気的な特性から使用方法、特に複数のレピータを配置する場合、レピータの特性を考慮して配置しなければならないことを意味する。
図6は、実施例1(第1例)のレピータ配置手法を説明する図である。ここで、図6(A)は、実施例1(第1例)に対する比較例を示し、図6(B)は、実施例1(第1例)を示す。実施例1(第1例)は、保持体(固定台)が鉄塔など金属体である場合に、その固定台にレピータを固定する場合の適用例である。
図7は、実施例1(第2例)のレピータ配置手法を説明する図である。ここで、図7(A)は、実施例1(第2例)に対する比較例として実施例1(第1例)を示し、図7(B)は、実施例1(第2例)を示す。
図8は、実施例1(第3例)のレピータ配置手法を説明する図である。ここで、図8(A)は、実施例1(第3例)に対する比較例として実施例1(第1例)を示し、図8(B)は、実施例1(第2例)を示す。
図9は、実施例1(第4例)のレピータ配置手法を説明する図である。実施例1(第4例)は、回路デバイス(例えば半導体デバイス)に非接触電力伝送装置1を作り込む場合において、給電共鳴素子38と受電共鳴素子78の伝送距離として、製造上の制約を受ける場合に中継端末5を設ける場合の適用例である。例えば、半導体デバイスに適用した場合における半導体デバイスの積層構造の一例を示す。
図10は、実施例2(第1例)のレピータ配置手法を説明する図である。実施例2(第1例)は、許容最小間隔以上の外形寸法を持つケース内にレピータを収容する場合の適用例である。
図11は、実施例2(第2例)のレピータ配置手法を説明する図である。実施例2(第2例)は、許容最小間隔以上の外形寸法を持つケース内にレピータを収容して、そのケースを複数連結する場合の適用例である。
図12は、実施例2(第3例)のレピータ配置手法を説明する図である。実施例2(第3例)は、許容最小間隔以上の固定枠で区分けされた各区分の所望の位置にレピータを敷き詰める場合の適用例である。
Claims (12)
- 給電共鳴素子及び前記給電共鳴素子に交流電流を供給する給電電源部を有する電力供給装置と、
共鳴方式によって前記電力供給装置からの電力を受けるための受電共鳴素子を有する電力受電装置と、
前記給電共鳴素子と前記受電共鳴素子との間で共鳴する中継共鳴素子と、
を備え、
前記中継共鳴素子は、絶縁部材で構成されているパイプ状の保持体内に内包され、その内包面で予め定められた位置に固定されている、
電力伝送中継装置。 - 前記中継共鳴素子を複数有し、
前記給電共鳴素子と前記中継共鳴素子との距離、前記中継共鳴素子同士の距離、前記受電共鳴素子と前記中継共鳴素子との距離が、それぞれ等しく設定されている、
請求項1に記載の電力伝送中継装置。 - 給電共鳴素子及び前記給電共鳴素子に交流電流を供給する給電電源部を有する電力供給装置と、
共鳴方式によって前記電力供給装置からの電力を受けるための受電共鳴素子を有する電力受電装置と、
前記給電共鳴素子と前記受電共鳴素子との間で共鳴する中継共鳴素子と、
を備え、
前記中継共鳴素子は、絶縁部材で構成されている箱体の内部に収容されており、
前記箱体の内部は、前記中継共鳴素子が予め定められた位置に固定されるように、絶縁部材で充填されている、
電力伝送中継装置。 - 前記中継共鳴素子は前記箱体の中央部に固定されており、
前記箱体の外形寸法は、前記中継共鳴素子と前記中継共鳴素子との干渉による電力伝送劣化を防止することができる所定の最小間隔以上の寸法に設定されている、
請求項3に記載の電力伝送中継装置。 - 前記中継共鳴素子が内部に収容された前記箱体を複数有し、
前記給電共鳴素子と前記中継共鳴素子との距離、前記中継共鳴素子同士の距離、前記受電共鳴素子と前記中継共鳴素子との距離が、それぞれ等しく設定されている、
請求項3または請求項4に記載の電力伝送中継装置。 - 中継共鳴素子を整列配置させるための区分け機構を備え、
区分けされたそれぞれの区分に前記中継共鳴素子を設置可能に構成されており、
前記各区分のピッチは、前記中継共鳴素子と前記中継共鳴素子との干渉による電力伝送劣化を防止することができる所定の最小間隔以上の寸法に設定されている、
電力伝送中継装置。 - 前記区分け機構は、前記各区分の中央部に前記中継共鳴素子を配置可能に構成されている、
請求項6に記載の電力伝送中継装置。 - 前記区分け機構は、絶縁部材で構成されている、
請求項6または請求項7に記載の電力伝送中継装置。 - 給電共鳴素子及び前記給電共鳴素子に交流電流を供給する給電電源部を有する電力供給装置と、
共鳴方式によって前記電力供給装置からの電力を受けるための受電共鳴素子を有する電力受電装置と、
前記電力供給装置と前記電力受電装置との間に配置され、前記給電共鳴素子と前記受電共鳴素子との間で共鳴する中継共鳴素子を有する電力伝送中継装置と、
を備え、
電前記力伝送中継装置を構成する前記中継共鳴素子は、絶縁部材で構成されているパイプ状の保持体内に内包され、その内包面で予め定められた位置に固定されている、
電力伝送装置。 - 給電共鳴素子及び前記給電共鳴素子に交流電流を供給する給電電源部を有する電力供給装置と、
共鳴方式によって前記電力供給装置からの電力を受けるための受電共鳴素子を有する電力受電装置と、
前記電力供給装置と前記電力受電装置との間に配置され、前記給電共鳴素子と前記受電共鳴素子との間で共鳴する中継共鳴素子を有する電力伝送中継装置と、
を備え、
前記電力伝送中継装置を構成する前記中継共鳴素子は、絶縁部材で構成されている箱体の内部に収容されており、
前記箱体の内部は、前記中継共鳴素子が予め定められた位置に固定されるように、絶縁部材で充填されている、
電力伝送装置。 - 給電共鳴素子及び前記給電共鳴素子に交流電流を供給する給電電源部を有する電力供給装置と、共鳴方式によって前記電力供給装置からの電力を受けるための受電共鳴素子を有する電力受電装置の、前記給電共鳴素子及び前記受電共鳴素子との間で共鳴する中継共鳴素子を有する電力伝送中継装置の製造方法であって、
前記中継共鳴素子を、絶縁部材で構成されているパイプ状の保持体内に内包し、その内包面で予め定められた位置に固定する、
電力伝送中継装置の製造方法。 - 給電共鳴素子及び前記給電共鳴素子に交流電流を供給する給電電源部を有する電力供給装置と、共鳴方式によって前記電力供給装置からの電力を受けるための受電共鳴素子を有する電力受電装置の、前記給電共鳴素子及び前記受電共鳴素子との間で共鳴する中継共鳴素子を有する電力伝送中継装置の製造方法であって、
絶縁部材で構成されている箱体の内部で前記中継共鳴素子が予め定められた位置に固定されるように前記箱体の内部を絶縁部材で充填する、
電力伝送中継装置の製造方法。
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JP2010160412A JP5640515B2 (ja) | 2010-07-15 | 2010-07-15 | 電力伝送中継装置、電力伝送装置、及び、電力伝送中継装置の製造方法 |
US13/178,589 US9077193B2 (en) | 2010-07-15 | 2011-07-08 | Power relaying apparatus, power transmission system and method for manufacturing power relaying apparatus |
CN201110191212.9A CN102340186B (zh) | 2010-07-15 | 2011-07-08 | 电力中继装置、电力输送系统和制造电力中继装置的方法 |
US14/724,264 US9577439B2 (en) | 2010-07-15 | 2015-05-28 | Power relaying apparatus, power transmission system and method for manufacturing power relaying apparatus |
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US9077193B2 (en) | 2015-07-07 |
CN102340186B (zh) | 2016-06-01 |
CN102340186A (zh) | 2012-02-01 |
US20120013198A1 (en) | 2012-01-19 |
JP2012023878A (ja) | 2012-02-02 |
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