JP2014529989A - 電界を用いたワイヤレス電力送信システムおよび電力送信方法 - Google Patents
電界を用いたワイヤレス電力送信システムおよび電力送信方法 Download PDFInfo
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- JP2014529989A JP2014529989A JP2014528811A JP2014528811A JP2014529989A JP 2014529989 A JP2014529989 A JP 2014529989A JP 2014528811 A JP2014528811 A JP 2014528811A JP 2014528811 A JP2014528811 A JP 2014528811A JP 2014529989 A JP2014529989 A JP 2014529989A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
Description
AGC回路42は、パワーアンプ36と共に用いられ、送信電力の出力を制御する。AGC回路42は、高周波(RF)回路であり、要求された安全レベルに応じた電力の絶対値を有している。本実施形態においては、AGC回路42は、オペアンプ(不図示)、MOSFETである半導体スイッチ(不図示)、および、包絡線検出部(不図示)を用いて実装されている。包絡線検出部は、送信器12の出力を監視し、出力が閾値を超えると、オペアンプに信号を出力する。オペアンプは、信号に応じ、半導体スイッチに適切な信号を送信し、パワーアンプ36の出力する電力を制限する。
さらに、図9には電力回収する回路の一例が示されているが、他の構成も可能である。例えば、他の実施形態として、図9の回路は直列に構成されてもよい。図17に示されるように、機器は、ブリッジ整流器64と直列に接続されている。機器は、直列に接続されたインダクタLs、キャパシタCs、抵抗Rsによりモデル化され、並列に構成されている場合よりも、出力されるAC電圧が高く、電流が大きい。バランが、LsCs直列回路とブリッジ整流器64との間にて、インピーダンスをマッチングさせるように配置されている。
Claims (46)
- 少なくとも2つの導体からなり、導体間にてボリュームが定められる送信アンテナを備える送信器と、
少なくとも1つの受信器と、を有し、
送信アンテナは、少なくとも1つの受信器がボリューム内にあると、電界結合方式にてワイヤレスで電力を送信することを特徴とする電界を用いたワイヤレス電力送信システム。 - ボリュームを定める少なくとも2つの導体からなる送信アンテナを、送信共振周波数にて振動させ、
ボリューム内に電界を形成し、
ボリューム内に2つのプレートからなる受信アンテナを配置し、
受信アンテナを送信共振周波数にて振動させることを特徴とするワイヤレス電力送信方法。 - 少なくとも2つの導体を有する送信アンテナと、送信コイルとを、スタートアップ周波数にて共振させ、
送信アンテナと、送信コイルとを、共振周波数にて同調させ、
少なくとも2つの導体により定められるボリューム内に電界を形成し、
2つのプレートからなる受信アンテナを有する送信器をボリューム内に配置し、
2つのプレートの電位差を蓄積し、
受信アンテナを、共振周波数にて共振させ、
受信アンテナから電力を回収する、ワイヤレス電力送信方法。 - ワイヤレス電力送信に用いる送信器であって、
電界を形成し、少なくとも2つの導体からなり、導体間にてボリュームが定められるアンテナと、
アンテナと接続されたコイルと、
コイルとアンテナとを共振周波数にて共振させるようにコイルと接続され、送信器を自動的に調整するように構成された自動周波数調整回路を備える共振部と、を有する送信器。 - アンテナは、少なくとも2つの、側面同士が相隔てられるように設けられ、間にてボリュームを定める略平行なプレートを有する、請求項4の送信器。
- アンテナは、ボリュームを定める6つの導体を有する、請求項4の送信器。
- アンテナは、近距離場アンテナである、請求項4から6のいずれか1項の送信器。
- 導体それぞれは、導電性テープにより形成されている、請求項4から7のいずれか1項の送信器。
- コイルは、ストランドワイヤを用いて構成されている、請求項4から8のいずれか1項の送信器。
- コイルは、トロイドスパイラル、シリンダスパイラル、扁平スパイラル、または、パンケーキコイルのいずれかである、請求項4から8のいずれか1項の送信器。
- 自動周波数調整回路は、アンテナへの信号を増幅するように構成された回路をさらに有する、請求項4から10のいずれか1項の送信器。
- 回路は、電圧ゲイン、電流ゲイン、および、パワーアンプのうちの少なくとも1つを有する、請求項11に記載の送信器。
- パワーアンプは、プッシュプルパワーアンプである、請求項12に記載の送信器。
- 自動周波数調整回路は、自動周波数調整回路内の信号を遅延するように構成された遅延線をさらに有する、請求項4から13のいずれか1項に記載の送信器。
- 遅延線は、直列に接続されたCMOSインバータにより構成されたアクティブ方式のインバータディレイチェーンである、請求項14に記載の送信器。
- 自動周波数調整回路は、送信器の出力信号を絶縁する絶縁回路をさらに有する、請求項4から15のいずれか1項に記載の送信器。
- 絶縁回路は、バランを有する、請求項16に記載の送信器。
- 自動周波数調整回路は、フィードバック信号を出力するように構成された電流センサ回路をさらに有する、請求項4から17のいずれか1項に記載の送信器。
- 自動周波数調整回路は、スタートアップ信号を自動周波数調整回路に入力するように設けられた発振部をさらに有する、請求項4から18のいずれか1項に記載の送信器。
- 発振部は、所定の状況になると、送信器からの出力信号を変更するように設けられた変更回路をさらに有する、請求項4から19のいずれか1項に記載の送信器。
- 変更回路は、所定の状況になると、出力信号の電力レベルを調整する、請求項20に記載の送信器。
- 変更回路は、所定の状況になると、送信器からの出力を遮断する、請求項20または21に記載の送信器。
- 請求項4から22のいずれか1項に記載の送信器を有する車。
- 請求項4から22のいずれか1項に記載の送信器を有するテーブル。
- 請求項4から22のいずれか1項に記載の送信器を有するコンテナ。
- コンテナは、EMFの漏洩を防ぐようにシールドされている、請求項25に記載のコンテナ。
- コンテナが閉じられると、電界の強度が増加する、請求項26に記載のコンテナ。
- ワイヤレス電力受信に用いられる受信器であって、
2つの導体からなるアンテナと、
アンテナと接続されたコイルと、
コイルとアンテナとを共振周波数にて共振させるようにコイルと接続され、受信器を自動的に調整するように構成された自動周波数調整回路を備える共振部と、を有する受信器。 - 導体は、コイルおよび共振部を収容する筐体の外に設けられている、請求項28に記載の受信器。
- 導体は、プレート、または、レールである、請求項28または29に記載の受信器。
- レールは、長方形状であり、平行である、請求項30に記載の受信器。
- レールは、金属製である、請求項30または31に記載の受信器。
- コイルは、ストランドワイヤ、または、インダクタである、請求項28から32のいずれか1項に記載の受信器。
- コイルは、トロイド、シリンダスパイラル、扁平スパイラル、または、パンケーキコイルのいずれかである、請求項28から32のいずれか1項に記載の受信器。
- 共振部は、所定の状況になると、受信器から受信する信号を変更するように設けられた変更回路をさらに有する、請求項28から34のいずれか1項に記載の受信器。
- 変更回路は、所定の状態になると、受信器から受信する信号を調整する、請求項35に記載の受信器。
- 変更回路は、電圧コンバータ、およびまたは、整流器である、請求項35または36に記載の受信器。
- インピーダンスマッチング回路をさらに有する、請求項28から37のいずれか1項に記載の受信器。
- インピーダンスマッチング回路は、バランを有している、請求項38に記載の受信器。
- ワイヤレスで送信される電力を受信するバックパックであって、
請求項28から39のいずれか1項に記載の受信器を有するバックパック。 - 請求項40に記載のバックパックにおいて、
受信器に接続された充電器をさらに有する。 - 充電器内にバッテリーがない場合に充電できるように受信器と接続された、少なくとも1つの充電可能なバッテリーをさらに有する、請求項41に記載のバックパック。
- 請求項28から39のいずれか1項に記載の受信器を有し、ワイヤレスで送信される電力を受信する無線通信器。
- 請求項28から39のいずれか1項に記載の受信器を有し、ワイヤレスで送信される電力を受信するコンピュータ機器。
- 請求項4から22のいずれか1項に記載の送信器と、
請求項28から39のいずれか1項に記載の受信器と、を有する機器。 - 少なくとも1つの導体により構成された送信アンテナを有する送信器と、
少なくとも1つの受信器と、を有し、
少なくとも1つの受信器が送信器と対になると、送信アンテナは、結合電界方式にてワイヤレスで電力を送信することを特徴とする電界を用いたワイヤレス電力送信システム。
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CN106972641A (zh) | 2017-07-21 |
EP2754221B1 (en) | 2019-01-23 |
US20190165612A1 (en) | 2019-05-30 |
AU2012306994B2 (en) | 2016-09-15 |
SG11201400409XA (en) | 2014-04-28 |
JP2018042459A (ja) | 2018-03-15 |
KR20140090596A (ko) | 2014-07-17 |
EP2754221A1 (en) | 2014-07-16 |
AU2012306994A1 (en) | 2014-04-17 |
US9653948B2 (en) | 2017-05-16 |
US20170207665A1 (en) | 2017-07-20 |
KR101855432B1 (ko) | 2018-06-14 |
CA2788895A1 (en) | 2013-03-07 |
WO2013033834A1 (en) | 2013-03-14 |
CA2788895C (en) | 2020-08-18 |
CN103975503B (zh) | 2017-02-15 |
EP2754221A4 (en) | 2015-09-23 |
HK1200603A1 (en) | 2015-08-07 |
JP6219285B2 (ja) | 2017-10-25 |
CN103975503A (zh) | 2014-08-06 |
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