JP2019526219A - 無線電力伝送を介して道路上の電気自動車に電力を供給するためのシステムおよび方法 - Google Patents
無線電力伝送を介して道路上の電気自動車に電力を供給するためのシステムおよび方法 Download PDFInfo
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
本発明は、一般に、無線電力伝送のシステムおよび方法に関し、特に、走行中の車両に電力を供給するような方法およびシステムに関する。
関連技術の短い説明の前に、以下で使用される特定の用語の定義を示すことが有用である。
Claims (14)
- 道路上の車両に無線で電力を供給するためのシステムであって、
指定の周波数で交流電流を出力するように構成された複数のベースステーションと、
道路の表面の下に位置し、それぞれが少なくとも1つのコンデンサに電気的に直列に接続され、スイッチを介して前記ベースステーションの1つに接続された少なくとも1つのコイル対を備える複数の独立に切り替えられた電力送信セグメントを備え、切り替えられた電力送信インダクタンス回路を形成する電力線と、
少なくとも2つのコイルを有する少なくとも1つの電力受信セグメント、および電力受信インダクタンス回路を形成する少なくとも1つのコンデンサを有する少なくとも1つの車両と、
を備え、
前記少なくとも1つの車両は、電力要求信号を送信するように構成された通信送信機をさらに含み、
前記電力送信セグメントのコイルは、前記電力要求信号を受信するように構成され、
前記電力要求信号を受信する前記電力送信セグメントの前記コイルに関連付けられた前記ベースステーションは、前記電力要求信号に応答して、電力送信および受信インダクタンス回路の共振周波数である指定された周波数の交流電流を前記電力送信セグメントに供給するようにさらに構成される、
システム。 - 前記電力送信セグメントにおける各コイル対の前記コイルは、逆位相で動作する、請求項1に記載のシステム。
- 前記車両によって送信される前記電力要求信号は、前記電力送信セグメントの前記コイルと前記電力受信セグメントの前記コイルとの間に少なくとも部分的な重なりがある場合にのみ検出される、請求項1に記載のシステム。
- 前記電力要求信号が前記ベースステーションに関連付けられたスイッチカードにおける電流ループによって検出され、前記電流ループにおける電流が検出され、前記ベースステーションによる許可を受けると、前記ベースステーションは、前記電力送信セグメントにおいて前記コイルに給電する、請求項1に記載のシステム。
- 前記電力要求信号は前記電流ループにおいて交流電流を生成するように構成され、前記検出は位相検出によって実行される、請求項4に記載のシステム。
- 前記共振周波数は、約80kHzから100kHzであり、前記電力要求信号は、約400kHzから100kHzの周波数である、請求項1に記載のシステム。
- 前記車両は、前記電力受信セグメントの両側に補助電力受信セグメントをさらに含む、請求項1に記載のシステム。
- 前記補助電力受信セグメントは、楕円形または長方形のコイルを含む、請求項7に記載のシステム。
- 前記車両は、電気モータと、前記電力受信インダクタンス回路から電流を受信し、前記電気モータにインピーダンス整合電流を供給するように構成されたインピーダンス整合回路と、をさらに備える、請求項1に記載のシステム。
- 前記車両は、スーパー・コンデンサをさらに含み、前記インピーダンス整合回路は、インピーダンス整合された電流を、前記スーパー・コンデンサを介して電気モータに供給する、請求項9に記載のシステム。
- 前記車両は、前記電気モータにおける出力電圧が所定の値を超えるのを防止する電圧レギュレータをさらに備える、請求項9に記載のシステム。
- 前記電圧レギュレータは、所定の値にわたって基準電圧を感知し、前記基準電圧が前記所定の値を下回るまで少なくとも1つのコンデンサを繰り返し放電する回路を備える、請求項11に記載のシステム。
- 前記車両における前記通信送信機は、通信受信回路として機能する前記電力送信セグメントの逆相コイルにおいて非ゼロ信号を保証するように、相互排他的に送信する少なくとも2つのコイルを備える、請求項2に記載のシステム。
- 前記車両は、電力供給信号を生成するようにさらに再構成され、それに応答して、前記車両において共振回路は、前記車両が電気を生成する場合に、送電線の共振回路および前記ベースステーションに電力を送信する、請求項1に記載のシステム。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1323160.0A GB2521676B (en) | 2013-12-31 | 2013-12-31 | System and method for powering an electric vehicle on a road |
US15/198,844 US10449865B2 (en) | 2013-12-31 | 2016-06-30 | System and method for powering on-road electric vehicles via wireless power transfer |
US15/198,844 | 2016-06-30 | ||
PCT/IL2017/050724 WO2018002931A1 (en) | 2016-06-30 | 2017-06-29 | System and method for powering on-road electric vehicles via wireless power transfer |
Publications (2)
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JP2019526219A true JP2019526219A (ja) | 2019-09-12 |
JP7211820B2 JP7211820B2 (ja) | 2023-01-24 |
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JP2016544552A Active JP6671287B2 (ja) | 2013-12-31 | 2014-12-31 | 道路上の電気自動車に電力を供給するシステムおよび方法 |
JP2018567289A Active JP7211820B2 (ja) | 2013-12-31 | 2017-06-29 | 無線電力伝送を介して道路上の電気自動車に電力を供給するためのシステムおよび方法 |
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JP2016544552A Active JP6671287B2 (ja) | 2013-12-31 | 2014-12-31 | 道路上の電気自動車に電力を供給するシステムおよび方法 |
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US (3) | US10449865B2 (ja) |
EP (1) | EP3089886B8 (ja) |
JP (2) | JP6671287B2 (ja) |
KR (2) | KR102319474B1 (ja) |
CN (2) | CN106030979B (ja) |
AU (2) | AU2014374947B2 (ja) |
CA (2) | CA2935330C (ja) |
ES (1) | ES2774744T3 (ja) |
GB (1) | GB2521676B (ja) |
WO (1) | WO2015101986A1 (ja) |
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EP3308388A4 (en) * | 2015-03-29 | 2018-12-19 | ChargEdge, Inc. | Wireless power transfer using multiple coil arrays |
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