JP6185472B2 - ワイヤレスエネルギー伝送システムにおける異物検出 - Google Patents
ワイヤレスエネルギー伝送システムにおける異物検出 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B60L53/124—Detection or removal of foreign bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/10—Plotting field distribution ; Measuring field distribution
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- G—PHYSICS
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
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- 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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- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or 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
- H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
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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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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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
- 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
-
- 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
- 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
-
- 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
-
- 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
Description
本出願は、2011年9月9日に出願された米国仮出願61/532,785の優先権を主張するものである。
[パッシブ軽減技術]
[アクティブ軽減技術]
[アクティブFOD検出処理]
1. FODを存在させないで、8の字状ループの1つから、時間サンプリングされた電圧波形を収集する。
2. 基本周波数成分(又はその高調波)の振幅及び位相を計算する。
3. 振幅及び位相を基準値(ベースライン)として記憶する。
4. FODを存在させて、同じ8の字状ループから、電圧波形を収集する。
5. 基本周波数成分(又はその高調波)の振幅及び位相を計算する。
6. 振幅及び位相を基準値と比較する。
7. 極座標プロット上で(又は振幅‐位相スペース内で)、信号と基準値との間の距離が予め決定したしきい値を超える場合に、FODの検出を宣する。
[代表的なアクティブFOD検出実施例]
[その他の実施例]
[ビークル充電への適用]
‐ビークルがソースモジュールを越えて運転される前に、FODを(しばしば)検査したり、充電ステーションの調子及び状態を(たまに)検査したりするのにビークルが訪れることなしに、低電力診断検査を実行しうるようにする。
‐ビークルがソースモジュールを越えて到達し位置した後であるが高電力充電する前に、ソースモジュールには依然としてFODが無いことをFOD検出器が確認しうるようにする。
‐高電力充電中に、追加のFODがコイル上に移動しないことをFOD検出器が確認しうるようにする。
Claims (30)
- 少なくとも1つの磁界グラジオメータを有する少なくとも1つの磁界センサと、
この少なくとも1つの磁界センサの電気的パラメータを測定するように構成された少なくとも1つの読出回路と
を具えるワイヤレスエネルギー伝送システム用の異物破片検出システムにおいて、
前記ワイヤレスエネルギー伝送システムの動作中、前記少なくとも1つの磁界センサが前記ワイヤレスエネルギー伝送システムによって発生させた磁界内に位置しており、
前記少なくとも1つの読出回路が、前記少なくとも1つの磁界グラジオメータの導体ループ内で電流が循環するのを殆ど阻止するのに充分な入力インピーダンスを有している
異物破片検出システム。 - 請求項1に記載の異物破片検出システムにおいて、少なくとも1つの磁界グラジオメータが8の字状の四極子導体ループを有している異物破片検出システム。
- 請求項1に記載の異物破片検出システムにおいて、少なくとも1つの磁界グラジオメータが八極子導体ループを有している異物破片検出システム。
- 請求項2に記載の異物破片検出システムにおいて、前記8の字状の四極子導体ループが回路板上に印刷されている異物破片検出システム。
- 請求項4に記載の異物破片検出システムにおいて、前記8の字状の四極子導体ループは方形である異物破片検出システム。
- 請求項1に記載の異物破片検出システムにおいて、少なくとも1つの磁界グラジオメータが、ワイヤレスエネルギー伝送システムによって発生させた磁界内に位置するグラジオメータループのアレイを有している異物破片検出システム。
- 請求項6に記載の異物破片検出システムにおいて、前記グラジオメータループのアレイが、互いにオフセットし且つ重複したグラジオメータループの複数の層を有している異物破片検出システム。
- 請求項1に記載の異物破片検出システムにおいて、前記少なくとも1つの磁界グラジオメータが複数のグラジオメータループを有し、前記少なくとも1つの読出回路がこれら複数のグラジオメータループ間で多重化されている異物破片検出システム。
- 請求項1に記載の異物破片検出システムにおいて、この異物破片検出システムが更に、前記少なくとも1つの読出回路による測定に基づいて前記ワイヤレスエネルギー伝送システムのパラメータを調整するように帰還ループで構成されたコントローラを有している異物破片検出システム。
- 請求項1に記載の異物破片検出システムにおいて、前記少なくとも1つの磁界グラジオメータがこのグラジオメータの面積を規定するループを有し、前記ループの面積は、少なくとも1つの磁界グラジオメータにより検出される異物破片(FOD)の最小の断面積の3倍以内である異物破片検出システム。
- 請求項1に記載の異物破片検出システムと、
発振磁界を発生するように構成された少なくとも1つのワイヤレスエネルギー伝送ソースと、
前記少なくとも1つの磁界センサの電気的パラメータに応答して前記少なくとも1つのワイヤレスエネルギー伝送ソースのパラメータを制御するように構成された帰還ループを構成するコントローラとを具えているワイヤレスエネルギー伝送システムであって、
前記少なくとも1つの磁界グラジオメータは前記発振磁界内に位置しているワイヤレスエネルギー伝送システム。 - 請求項11に記載のワイヤレスエネルギー伝送システムにおいて、このワイヤレスエネルギー伝送システムが更に、少なくとも1つの温度センサを有し、この温度センサは前記少なくとも1つのワイヤレスエネルギー伝送ソースの付近の温度を測定するように配置されているワイヤレスエネルギー伝送システム。
- 請求項11に記載のワイヤレスエネルギー伝送システムにおいて、前記帰還ループは、前記少なくとも1つの磁界グラジオメータの測定した電気的パラメータに基づいて前記少なくとも1つのワイヤレスエネルギー伝送ソースによるエネルギー伝送を停止させるように構成されているワイヤレスエネルギー伝送システム。
- 請求項11に記載のワイヤレスエネルギー伝送システムにおいて、前記少なくとも1つの磁界グラジオメータが前記少なくとも1つの読出回路に接続された磁界グラジオメータのアレイを有しているワイヤレスエネルギー伝送システム。
- 請求項14に記載のワイヤレスエネルギー伝送システムにおいて、前記少なくとも1つの読出回路は前記磁界グラジオメータのアレイの導電性ループの電圧を測定するように構成されているワイヤレスエネルギー伝送システム。
- 請求項15に記載のワイヤレスエネルギー伝送システムにおいて、前記少なくとも1つの読出回路は前記導電性ループの電圧の位相を測定するように構成されているワイヤレスエネルギー伝送システム。
- 請求項16に記載のワイヤレスエネルギー伝送システムにおいて、このワイヤレスエネルギー伝送システムが更に、前記コントローラに接続され、前記少なくとも1つのワイヤレスエネルギー伝送ソースにより発生された発振磁界の周波数を測定するように構成されたサンプリングループを有し、前記コントローラは、前記少なくとも1つの読出回路を、前記発振磁界の周波数と同期させるように構成されたワイヤレスエネルギー伝送システム。
- 互いにオフセットし且つ重複したグラジオメータループの複数の層を形成するグラジオメータループのアレイを有する少なくとも1つの磁界センサと、
この少なくとも1つの磁界センサの電気的パラメータを測定するように構成された少なくとも1つの読出回路と
を具えるワイヤレスエネルギー伝送システム用の異物破片検出システムにおいて、
前記ワイヤレスエネルギー伝送システムの動作中、前記少なくとも1つの磁界センサが前記ワイヤレスエネルギー伝送システムによって発生させた磁界内に位置している
異物破片検出システム。 - 請求項18に記載の異物破片検出システムにおいて、前記グラジオメータループのアレイが8の字状の四極子導体ループを有している異物破片検出システム。
- 請求項18に記載の異物破片検出システムにおいて、前記グラジオメータループのアレイが八極子導体ループを有している異物破片検出システム。
- 請求項19に記載の異物破片検出システムにおいて、前記8の字状の四極子導体ループが回路板上に印刷されている異物破片検出システム。
- 請求項21に記載の異物破片検出システムにおいて、前記8の字状の四極子導体ループは方形である異物破片検出システム。
- 請求項18に記載の異物破片検出システムにおいて、前記少なくとも1つの読出回路が複数のグラジオメータループ間で多重化されている異物破片検出システム。
- 請求項18に記載の異物破片検出システムにおいて、この異物破片検出システムが更に、前記少なくとも1つの読出回路による測定に基づいて前記ワイヤレスエネルギー伝送システムのパラメータを調整するように帰還ループで構成されたコントローラを有している異物破片検出システム。
- 請求項18に記載の異物破片検出システムと、
発振磁界を発生するように構成された少なくとも1つのワイヤレスエネルギー伝送ソースと、
前記少なくとも1つの磁界センサの電気的パラメータに応答して前記少なくとも1つのワイヤレスエネルギー伝送ソースのパラメータを制御するように構成された帰還ループを構成するコントローラとを具えているワイヤレスエネルギー伝送システムであって、
前記グラジオメータループのアレイは、少なくとも1つの磁界グラジオメータを構成しており、
前記少なくとも1つの磁界グラジオメータは前記発振磁界内に位置しているワイヤレスエネルギー伝送システム。 - 請求項25に記載のワイヤレスエネルギー伝送システムにおいて、このワイヤレスエネルギー伝送システムが更に、少なくとも1つの温度センサを有し、この温度センサは前記少なくとも1つのワイヤレスエネルギー伝送ソースの付近の温度を測定するように配置されているワイヤレスエネルギー伝送システム。
- 請求項25に記載のワイヤレスエネルギー伝送システムにおいて、前記帰還ループは、前記少なくとも1つの磁界グラジオメータの測定した電気的パラメータに基づいて前記少なくとも1つのワイヤレスエネルギー伝送ソースによるエネルギー伝送を停止させるように構成されているワイヤレスエネルギー伝送システム。
- 請求項25に記載のワイヤレスエネルギー伝送システムにおいて、前記少なくとも1つの読出回路は前記磁界グラジオメータのアレイの導電性ループの電圧を測定するように構成されているワイヤレスエネルギー伝送システム。
- 請求項28に記載のワイヤレスエネルギー伝送システムにおいて、前記少なくとも1つの読出回路は前記導電性ループの電圧の位相を測定するように構成されているワイヤレスエネルギー伝送システム。
- 請求項29に記載のワイヤレスエネルギー伝送システムにおいて、このワイヤレスエネルギー伝送システムが更に、前記コントローラに接続され、前記少なくとも1つのワイヤレスエネルギー伝送ソースにより発生された発振磁界の周波数を測定するように構成されたサンプリングループを有し、前記コントローラは、前記少なくとも1つの読出回路を、前記発振磁界の周波数と同期させるように構成されたワイヤレスエネルギー伝送システム。
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AU2012305688A1 (en) | 2014-04-24 |
EP2754222A2 (en) | 2014-07-16 |
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KR101880258B1 (ko) | 2018-07-19 |
US20160276875A1 (en) | 2016-09-22 |
WO2013036947A2 (en) | 2013-03-14 |
KR20140067101A (ko) | 2014-06-03 |
CN103875159B (zh) | 2017-03-08 |
EP2998153A1 (en) | 2016-03-23 |
AU2012305688A2 (en) | 2014-07-31 |
US20180337564A1 (en) | 2018-11-22 |
EP2754222A4 (en) | 2015-05-06 |
WO2013036947A3 (en) | 2013-05-02 |
US20130069441A1 (en) | 2013-03-21 |
EP2998153B1 (en) | 2023-11-01 |
CA2848040A1 (en) | 2013-03-14 |
KR20180083956A (ko) | 2018-07-23 |
US9442172B2 (en) | 2016-09-13 |
AU2012305688B2 (en) | 2017-06-01 |
CN103875159A (zh) | 2014-06-18 |
US10778047B2 (en) | 2020-09-15 |
KR102010943B1 (ko) | 2019-08-14 |
CA2848040C (en) | 2019-08-13 |
EP2754222B1 (en) | 2015-11-18 |
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