JP2017535228A - 無線電気車両充電システムにおいてリーク線束を低減するためのシステムおよび方法 - Google Patents
無線電気車両充電システムにおいてリーク線束を低減するためのシステムおよび方法 Download PDFInfo
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- 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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- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
- H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
Description
102 ベース無線充電システム
104 ベースシステム誘導コイル
105 電気車両
108 通信リンク
110 電力リンク
114 バッテリーユニット
116 電気車両充電誘導コイル
118 電気車両無線充電システム
130 ローカル配電センター
132 電力バックボーン
134 通信バックホール
204 送電機
206 送電回路機構
208 受電機
210 受電回路機構
212 リーク場
214 送電コイル
216 無線場
218 受電コイル
219 通信リンク
222 発振器
223 周波数制御信号
224 ドライバ回路
226 フィルタ/整合回路
228 コントローラ回路
229 通信回路
230 スイッチング回路
232 整合回路
234 整流器回路
235 センサー回路
236 バッテリー
238 コントローラ回路
239 通信回路
350 リーク場コレクタ
402 ハウジング
404 無線電力送電機
405 電気車両
406 車両シールド
450 リーク場コレクタ
600 シャーシ
Claims (30)
- 無線電力伝達システムにおいて無線場のリーク磁束を集めるための装置であって、
無線電力送電機によって生成された無線場に結合するように構成された無線電力受電機であって、前記無線場の一部分が前記リーク磁束を含む、無線電力受電機と、
強磁性体を含むとともに電気車両の外縁から離れる前記リーク磁束の少なくとも一部分を吸収または方向変換するように構成されたリークコレクタであって、前記無線場内で前記無線電力受電機から第1の距離に位置するリークコレクタと
を備える装置。 - 前記リークコレクタが、前記電気車両のほぼ外縁において前記電気車両の底部分に配置され、前記リークコレクタが、実質的に水平な面において前記無線電力受電機を少なくとも部分的に囲む、請求項1に記載の装置。
- 前記電気車両の底部分に配置された磁気車両シールドをさらに備え、前記無線電力受電機および前記リークコレクタが、前記磁気車両シールドの下方に位置する、請求項1に記載の装置。
- 前記リークコレクタが、前記電気車両の底部分に配置され、前記無線電力受電機を完全に囲む、請求項1に記載の装置。
- 前記リークコレクタが、前記無線電力受電機の外周よりも大きい外周を有し、前記リークコレクタが、前記リーク磁束を吸収または方向変換するのに十分な比透磁率値を有する、請求項1に記載の装置。
- 前記比透磁率がμr=10よりも大きい、請求項5に記載の装置。
- 前記リークコレクタが、正方形、長方形、円、三角形、多角形、または半円のうちの1つに整形され、前記リークコレクタの外周が、前記無線電力受電機の下方で前記電気車両の底部から離れるように延在する、請求項1に記載の装置。
- 前記強磁性体が、前記リーク磁束を吸収または方向変換するのに十分な透磁率値を有する、請求項1に記載の装置。
- 前記強磁性体が、軟磁性複合体、ナノ結晶磁性体、またはプラスチック接合フェライト粉末のうちの1つを含む、請求項8に記載の装置。
- 前記リークコレクタが、前記リーク場に影響を及ぼすように構成された断面を有し、前記断面が、前記車両の底部から離れるように直角に延在する寸法を有する、請求項1に記載の装置。
- 前記第1の距離が、前記無線電力受電機と前記電気車両の前記外縁との間の距離の少なくとも1/2に等しい、請求項1に記載の装置。
- 無線電力伝達システムにおいて無線場のリーク磁束を集めるための方法であって、
無線電力送電機によって生成された前記無線場に無線電力受電機を介して結合するステップであって、前記無線場の一部分が前記リーク磁束を含む、ステップと、
電気車両の外縁から離れる前記リーク磁束の少なくとも一部分をリークコレクタを介して吸収または方向変換するステップであって、前記リークコレクタが、強磁性体を含むとともに前記無線場内で無線電力受電機から第1の距離に位置する、ステップと
を備える方法。 - 前記リークコレクタを使用して、前記無線電力場から前記リーク磁束を実質的に除去するステップをさらに備える請求項12に記載の方法。
- 前記リークコレクタが、前記電気車両のほぼ外縁において前記電気車両の底部分に配置され、前記リークコレクタが、実質的に水平な面において前記無線電力受電機を少なくとも部分的に囲む、請求項12に記載の方法。
- 磁気車両シールドが、前記電気車両の底部分に配置され、前記無線電力受電機および前記リークコレクタが、前記磁気車両シールドの下方に位置する、請求項12に記載の方法。
- 前記リークコレクタが、前記電気車両の底部分に配置され前記無線電力受電機を完全に囲む、請求項12に記載の方法。
- 前記リークコレクタが、前記無線電力受電機の外周よりも大きい外周を有し、前記リークコレクタが、前記リーク磁束を吸収または方向変換するのに十分な比透磁率値を有する、請求項12に記載の方法。
- 前記比透磁率がμr=10よりも大きい、請求項17に記載の方法。
- 前記リークコレクタが、正方形、長方形、円、三角形、多角形、または半円のうちの1つに整形され、前記リークコレクタの外周が、前記無線電力受電機の下方で前記電気車両の底部から離れるように延在する、請求項12に記載の方法。
- 前記強磁性体が、前記リーク磁束を吸収または方向変換するのに十分な透磁率値を有する、請求項12に記載の方法。
- 前記強磁性体が、軟磁性複合体、ナノ結晶磁性体、およびプラスチック接合フェライト粉末のうちの1つを含む、請求項20に記載の方法。
- 無線電力伝達システムにおいて無線場のリーク磁束を集めるための装置であって、
無線電力送電機によって生成された無線場に結合するための手段であって、前記無線場の一部分が前記リーク磁束を含む、手段と、
電気車両の外縁から離れる前記リーク磁束の少なくとも一部分を吸収または方向変換するための手段と
を備える装置。 - 前記結合手段が無線電力受電機を含み、前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、強磁性体を含むとともに前記無線場内で前記無線電力受電機から第1の距離に位置するリークコレクタを含む、請求項22に記載の装置。
- 前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、前記電気車両のほぼ外縁において前記電気車両の底部分に配置され、前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、実質的に水平な面において前記結合手段を少なくとも部分的に囲む、請求項22に記載の装置。
- 前記電気車両の底部分に配置された磁気車両シールドをさらに備え、前記結合手段および前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、前記磁気車両シールドの下方に位置する、請求項22に記載の装置。
- 前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、前記電気車両の底部分に配置され前記結合手段を完全に囲む、請求項22に記載の装置。
- 前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、前記結合手段の外周よりも大きい外周を有し、前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、前記リーク磁束を吸収または方向変換するのに十分な比透磁率値を有する、請求項22に記載の装置。
- 前記比透磁率がμr=10よりも大きい、請求項27に記載の装置。
- 前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、正方形、長方形、円、三角形、多角形、または半円のうちの1つに整形され、前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段の外周が、前記結合手段の下方で前記電気車両の底部から離れるように延在する、請求項22に記載の装置。
- 前記リーク磁束の少なくとも一部分を吸収または方向変換するための前記手段が、前記リーク磁束を吸収または方向変換するのに十分な透磁率値を有する、請求項22に記載の装置。
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| US14/481,804 | 2014-09-09 | ||
| US14/481,804 US9889754B2 (en) | 2014-09-09 | 2014-09-09 | System and method for reducing leakage flux in wireless electric vehicle charging systems |
| PCT/US2015/048973 WO2016040338A1 (en) | 2014-09-09 | 2015-09-08 | System and method for reducing leakage flux in wireless electric vehicle charging systems |
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| WO2016040338A1 (en) | 2016-03-17 |
| EP3191340A1 (en) | 2017-07-19 |
| CN106715188A (zh) | 2017-05-24 |
| JP6671349B2 (ja) | 2020-03-25 |
| CN106715188B (zh) | 2019-11-08 |
| EP3191340B1 (en) | 2022-11-02 |
| US20160068069A1 (en) | 2016-03-10 |
| US9889754B2 (en) | 2018-02-13 |
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