CN106461809B - 用于基于感应热感测的外来对象检测环的系统、方法和装置 - Google Patents

用于基于感应热感测的外来对象检测环的系统、方法和装置 Download PDF

Info

Publication number
CN106461809B
CN106461809B CN201580024599.5A CN201580024599A CN106461809B CN 106461809 B CN106461809 B CN 106461809B CN 201580024599 A CN201580024599 A CN 201580024599A CN 106461809 B CN106461809 B CN 106461809B
Authority
CN
China
Prior art keywords
coil
electrical characteristics
exposure
change
sensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201580024599.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN106461809A (zh
Inventor
H·P·威德默
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WiTricity Corp
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN106461809A publication Critical patent/CN106461809A/zh
Application granted granted Critical
Publication of CN106461809B publication Critical patent/CN106461809B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • 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
    • G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • 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
    • B60L53/124—Detection or removal of foreign bodies
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Geophysics And Detection Of Objects (AREA)
CN201580024599.5A 2014-05-15 2015-05-11 用于基于感应热感测的外来对象检测环的系统、方法和装置 Active CN106461809B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/279,112 2014-05-15
US14/279,112 US10295693B2 (en) 2014-05-15 2014-05-15 Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing
PCT/US2015/030148 WO2015175406A1 (en) 2014-05-15 2015-05-11 Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing

Publications (2)

Publication Number Publication Date
CN106461809A CN106461809A (zh) 2017-02-22
CN106461809B true CN106461809B (zh) 2019-05-17

Family

ID=53284517

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580024599.5A Active CN106461809B (zh) 2014-05-15 2015-05-11 用于基于感应热感测的外来对象检测环的系统、方法和装置

Country Status (6)

Country Link
US (2) US10295693B2 (OSRAM)
EP (1) EP3143437B1 (OSRAM)
JP (1) JP6566446B2 (OSRAM)
KR (1) KR20170008800A (OSRAM)
CN (1) CN106461809B (OSRAM)
WO (1) WO2015175406A1 (OSRAM)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9921045B2 (en) 2013-10-22 2018-03-20 Qualcomm Incorporated Systems, methods, and apparatus for increased foreign object detection loop array sensitivity
EP3140680B1 (en) * 2014-05-07 2021-04-21 WiTricity Corporation Foreign object detection in wireless energy transfer systems
US10029573B2 (en) * 2014-08-27 2018-07-24 Ford Global Technologies, Llc Vehicle battery charging system notification
US10302795B2 (en) 2014-12-30 2019-05-28 Witricity Corporation Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space
US10324215B2 (en) 2014-12-30 2019-06-18 Witricity Corporation Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space
DE102015205865A1 (de) * 2015-04-01 2016-10-20 Bayerische Motoren Werke Aktiengesellschaft Optimierte Spule für induktives Laden
JP6672463B2 (ja) * 2015-09-15 2020-03-25 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおける端末のｖ２ｘ動作のためのリソース選択方法及び前記方法を利用する端末
WO2017047454A1 (ja) * 2015-09-17 2017-03-23 株式会社Ihi 送電装置及び非接触給電システム
US10199881B2 (en) 2015-10-23 2019-02-05 Mediatek Inc. Robust foreign objects detection
DE102016103044A1 (de) 2016-02-22 2017-08-24 Ipt Technology Gmbh Verfahren zur Erkennung eines elektrisch leitfähigen Fremdkörpers
CN109952503B (zh) * 2016-07-01 2022-09-09 Lg伊诺特有限公司 用于检测异物的方法及其设备和系统
KR101915008B1 (ko) * 2016-08-12 2018-11-06 (주)그린파워 전기 자동차용 유무선 겸용 충전 시스템
DE102016121334A1 (de) * 2016-11-08 2018-05-09 Innogy Se Messwandler
WO2018104068A1 (en) * 2016-12-05 2018-06-14 Koninklijke Philips N.V. Foreign object detection in a wireless power transfer system
US10804748B2 (en) 2016-12-14 2020-10-13 Apple Inc. Wireless power system with foreign object detection
US10444394B2 (en) 2017-01-10 2019-10-15 Witricity Corporation Foreign object detection using heat sensitive material and inductive sensing
CN106933618B (zh) * 2017-01-25 2020-03-27 上海蔚来汽车有限公司 基于系统参数相关系数的系统升级评估方法
US10505401B2 (en) * 2017-02-02 2019-12-10 Apple Inc. Wireless charging system with receiver locating circuitry and foreign object detection
JP6880861B2 (ja) * 2017-03-15 2021-06-02 オムロン株式会社 近接センサおよび検知方法
US10256674B2 (en) * 2017-05-23 2019-04-09 Witricity Corporation Wireless charging transmitter with foreign object and living object detection systems
US11289953B2 (en) * 2017-07-05 2022-03-29 Mediatek Singapore Pte. Ltd. Adapting wireless power transfer parameters to transmitter operating conditions
KR20190092203A (ko) 2018-01-29 2019-08-07 경문건 하드웨어 및 비용 효율이 높은 자율 무선충전 장치
US11894697B2 (en) 2017-12-15 2024-02-06 Woncomm Co., Ltd. Autonomous wireless charging system and method based on power loss tracking
DE102018206592A1 (de) * 2018-04-27 2019-10-31 Continental Automotive Gmbh Adaptiver Sektoren-Trigger für Doppler-Radar
CN110945745B (zh) 2018-07-19 2023-09-01 联发科技（新加坡）私人有限公司 无线功率传输系统中的异物侦测
TWI742404B (zh) 2018-07-19 2021-10-11 新加坡商聯發科技（新加坡）私人有限公司 無線功率傳輸系統之異物偵測技術
US10505403B1 (en) 2018-08-31 2019-12-10 Apple Inc. Wireless charging system with temperature sensing
US10658878B2 (en) 2018-08-31 2020-05-19 Apple Inc. Wireless charging system with temperature sensor array
JP7119838B2 (ja) 2018-09-26 2022-08-17 トヨタ自動車株式会社 非接触送電装置
CN111371189B (zh) * 2018-12-26 2024-06-25 恩智浦美国有限公司 在具有复杂谐振电路的无线充电系统中确定q因数
CN110308491B (zh) * 2019-05-29 2021-11-05 浙江大华技术股份有限公司 物品探测方法、装置、存储介质及电子装置
JP7451916B2 (ja) * 2019-09-25 2024-03-19 オムロン株式会社 異物検出装置
US11874423B2 (en) 2019-10-25 2024-01-16 Witricity Corporation Circuit for object detection and vehicle position determination
CN112928789B (zh) * 2019-12-05 2023-03-24 荣耀终端有限公司 一种充电方法及电子设备
NL2024485B1 (en) * 2019-12-17 2021-09-02 Prodrive Tech Bv Apparatus for inductive power transfer
US12003117B2 (en) * 2020-06-15 2024-06-04 The Regents Of The University Of Michigan Foreign object detection in wireless power transfer
WO2022164558A1 (en) * 2021-01-26 2022-08-04 Witricity Corporation Wire-wound structures for electromagnetic sensing of objects
US11750041B2 (en) 2021-01-26 2023-09-05 Witricity Corporation Wire-wound structures for electromagnetic sensing of objects
KR20220124975A (ko) * 2021-03-04 2022-09-14 삼성전자주식회사 무선 전력을 수신하는 전자 장치 및 이를 이용한 온도 측정 방법
CN113300487B (zh) * 2021-05-28 2024-07-30 伏达半导体(合肥)股份有限公司 用于无线电能传输系统的异物检测设备及方法
US20220390642A1 (en) * 2021-06-02 2022-12-08 Nwave Technologies Inc Battery-powered vehicle detecting device using an embedded inductive sensor
WO2023044300A1 (en) 2021-09-14 2023-03-23 Witricity Corporation Circuit for object detection and vehicle position determination
EP4473642A1 (en) 2022-02-03 2024-12-11 WiTricity Corporation Foreign object detection using hybrid inductive and capacitive sensing
CN118648221A (zh) 2022-02-03 2024-09-13 韦特里西提公司 使用组合的电感感测和热感测的异物检测
WO2025199209A1 (en) 2024-03-19 2025-09-25 Witricity Corporation Systems and methods for foreign object detection in wireless power transfer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102439669A (zh) * 2009-02-13 2012-05-02 韦特里西提公司 有损环境中的无线能量转移
CN103053093A (zh) * 2010-09-23 2013-04-17 德州仪器公司 具有干扰检测的无线电力传输的系统及方法
CN103199632A (zh) * 2011-09-26 2013-07-10 索尼公司 能量接收器、能量发送器、检测装置及检测方法

Family Cites Families (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018395A (en) 1960-07-15 1962-01-23 United Aircraft Corp Tachometer generator
JPS5430076A (en) * 1977-08-10 1979-03-06 Sumitomo Electric Ind Ltd Fine variation meter of impedance
GB2025630B (en) 1977-11-10 1982-06-30 Goring Kerr Ltd Electrical bridge circuit with compensation for long-term drift
JPS56154687A (en) 1980-05-01 1981-11-30 Ono Sokki Co Ltd Minute-metal detector
JPS57113362A (en) 1981-01-06 1982-07-14 Nippon Kokan Kk <Nkk> Probe coil type eddy current flaw detecting method
JPS61250920A (ja) * 1985-04-26 1986-11-08 理研電具製造株式会社 高周波発振型近接スイツチ
JPH03194818A (ja) 1989-12-22 1991-08-26 Ochiai Tetsukoujiyou:Kk 近接センサ
FR2716979B1 (fr) 1994-03-04 1996-03-29 Telemecanique Détecteur de proximité inductif.
JPH0821880A (ja) 1994-07-07 1996-01-23 Nippon Autom Kk 磁性体検出機
US6216540B1 (en) 1995-06-06 2001-04-17 Robert S. Nelson High resolution device and method for imaging concealed objects within an obscuring medium
JPH0930076A (ja) 1995-07-21 1997-02-04 Oki Data:Kk プリンタ
US5642050A (en) 1995-12-21 1997-06-24 White's Electronics, Inc. Plural frequency method and system for identifying metal objects in a background environment using a target model
JPH10228121A (ja) 1997-02-14 1998-08-25 Fuji Electric Co Ltd 電子写真用感光体
JP2004184257A (ja) 2002-12-04 2004-07-02 Kura Gijutsu Kenkyusho:Kk 二組の抵抗或いはコイル或いはコンデンサの微小差検出回路及びそれを用いた位置検出装置及び導体の欠陥或いは有無の識別検査装置
JP2004191223A (ja) 2002-12-12 2004-07-08 Minebea Co Ltd ソノブイ有無検知装置及び検知方法
US6864108B1 (en) * 2003-10-20 2005-03-08 Texas Instruments Incorporated Measurement of wafer temperature in semiconductor processing chambers
US7239133B1 (en) * 2006-01-19 2007-07-03 General Electric Company Methods and systems for controlling the temperature stability of an inductor
KR100836634B1 (ko) 2006-10-24 2008-06-10 주식회사 한림포스텍 무선 데이타 통신과 전력 전송이 가능한 무접점 충전장치,충전용 배터리팩 및 무접점 충전장치를 이용한 휴대용단말기
JP5049018B2 (ja) * 2007-01-09 2012-10-17 ソニーモバイルコミュニケーションズ株式会社 非接触充電装置
PT1965177T (pt) 2007-02-27 2020-01-10 Senstronic S A Sensor indutivo de presença ou posição
US8041643B2 (en) 2007-03-09 2011-10-18 At&T Intellectual Property I, L.P. System and method of providing media content
JP2008232999A (ja) 2007-03-23 2008-10-02 Miki Giken:Kk ループコイル式金属物体検知装置
JP5096034B2 (ja) 2007-04-27 2012-12-12 オリンパスメディカルシステムズ株式会社 位置検出装置および医療装置誘導システム
CN103259344B (zh) 2007-12-21 2016-08-10 捷通国际有限公司 用于感应功率传输的电路
US7705589B2 (en) 2008-02-19 2010-04-27 Korea Research Institute Of Standards And Science Sensor for detecting surface defects of metal tube using eddy current method
JP2009229261A (ja) 2008-03-24 2009-10-08 Gifu Univ 高指向性センサおよびその製造方法
US8188730B2 (en) 2008-09-10 2012-05-29 Rockwell Automation Technologies, Inc. Method and system for inductive proximity sensing that includes mounting effect compensation
US8922066B2 (en) * 2008-09-27 2014-12-30 Witricity Corporation Wireless energy transfer with multi resonator arrays for vehicle applications
US20100277121A1 (en) 2008-09-27 2010-11-04 Hall Katherine L Wireless energy transfer between a source and a vehicle
US20120112691A1 (en) 2008-09-27 2012-05-10 Kurs Andre B Wireless energy transfer for vehicles
US8946938B2 (en) 2008-09-27 2015-02-03 Witricity Corporation Safety systems for wireless energy transfer in vehicle applications
JP5423023B2 (ja) 2009-02-06 2014-02-19 富士ゼロックス株式会社 物体検知装置
CA2757623A1 (en) 2009-04-08 2010-10-14 Access Business Group International Llc Selectable coil array
DE102009033236A1 (de) 2009-07-14 2011-01-20 Conductix-Wampfler Ag Vorrichtung zur induktiven Übertragung elektrischer Energie
DE102009033237A1 (de) 2009-07-14 2011-01-20 Conductix-Wampfler Ag Vorrichtung zur induktiven Übertragung elektrischer Energie
JP5484843B2 (ja) 2009-09-24 2014-05-07 パナソニック株式会社 非接触充電システム
US20110251809A1 (en) 2009-10-12 2011-10-13 Aaa Sales & Engineering, Inc. Inductive loop presence detector
US8575944B2 (en) 2009-11-03 2013-11-05 Robert Bosch Gmbh Foreign object detection in inductive coupled devices
EP2378316A1 (en) 2010-04-14 2011-10-19 M.d. Micro Detectors S.p.a. Inductive sensor whose output is independent of the type of detectable metallic material
JP2012016125A (ja) * 2010-06-30 2012-01-19 Panasonic Electric Works Co Ltd 非接触給電システム及び非接触給電システムの金属異物検出装置
US8618794B2 (en) 2010-07-30 2013-12-31 Atmel Corporation Detecting inductive objects using inputs of integrated circuit device
WO2012045578A1 (en) 2010-10-07 2012-04-12 Mettlert-Toledo Safeline Limited Method for operating a metal detection system and metal detection system
EP2632762B1 (en) * 2010-10-29 2017-05-31 Qualcomm Incorporated(1/3) Wireless energy transfer via coupled parasitic resonators
JP2012143091A (ja) 2011-01-04 2012-07-26 Kimitake Utsunomiya 遠隔無線駆動充電装置
KR101397624B1 (ko) 2011-03-23 2014-05-22 주식회사 한림포스텍 무선 전력 전송 장치에서의 전력 전송 제어 방법 및 전력 전송 장치
JP6067211B2 (ja) 2011-05-27 2017-01-25 日産自動車株式会社 非接触給電装置
US9145110B2 (en) 2011-10-27 2015-09-29 Ford Global Technologies, Llc Vehicle wireless charger safety system
US9417199B2 (en) 2012-01-17 2016-08-16 Triune Systems, LLC Method and system of wireless power transfer foreign object detection
US10778045B2 (en) 2012-01-30 2020-09-15 Triune Ip, Llc Method and system of wireless power transfer foreign object detection
DE112012005961A5 (de) 2012-02-29 2014-12-11 Siemens Aktiengesellschaft Ladesystem zum galvanisch getrennten Aufladen eines elektrischen Energiespeichers eines Fahrzeigs, elektrisch angetriebenes Fahrzeug, Ladestation für ein Fahrzeug und entsprechendes Verfahren
JP2013192391A (ja) 2012-03-14 2013-09-26 Sony Corp 検知装置、受電装置、送電装置及び非接触給電システム
JP2013208012A (ja) 2012-03-29 2013-10-07 Equos Research Co Ltd アンテナコイルユニット及び磁界共鳴式給電システム
JP5966538B2 (ja) 2012-04-10 2016-08-10 ソニー株式会社 受電装置、受電装置の制御方法、および、給電システム
US8818523B2 (en) * 2012-04-25 2014-08-26 Medtronic, Inc. Recharge of an implantable device in the presence of other conductive objects
US9410823B2 (en) 2012-07-13 2016-08-09 Qualcomm Incorporated Systems, methods, and apparatus for detection of metal objects in a predetermined space
JP6397417B2 (ja) 2012-10-19 2018-09-26 ワイトリシティ コーポレーションＷｉｔｒｉｃｉｔｙ Ｃｏｒｐｏｒａｔｉｏｎ 無線エネルギー伝送システムにおける異物検出
GB2508923A (en) 2012-12-17 2014-06-18 Bombardier Transp Gmbh Inductive power transfer system having inductive sensing array
CN104969438B (zh) 2012-12-18 2018-02-16 核科学股份有限公司 用于在无线功率传输系统中检测物体的非线性系统辨识
US9479134B2 (en) 2013-03-04 2016-10-25 Texas Instruments Incorporated Position detecting system
WO2015005935A1 (en) 2013-07-12 2015-01-15 Schneider Electric USA, Inc. Method and device for foreign object detection in induction electric charger
US9921045B2 (en) 2013-10-22 2018-03-20 Qualcomm Incorporated Systems, methods, and apparatus for increased foreign object detection loop array sensitivity
US10324215B2 (en) 2014-12-30 2019-06-18 Witricity Corporation Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space
US10302795B2 (en) 2014-12-30 2019-05-28 Witricity Corporation Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102439669A (zh) * 2009-02-13 2012-05-02 韦特里西提公司 有损环境中的无线能量转移
CN103053093A (zh) * 2010-09-23 2013-04-17 德州仪器公司 具有干扰检测的无线电力传输的系统及方法
CN103199632A (zh) * 2011-09-26 2013-07-10 索尼公司 能量接收器、能量发送器、检测装置及检测方法

Also Published As

Publication number Publication date
US10295693B2 (en) 2019-05-21
KR20170008800A (ko) 2017-01-24
JP2017522539A (ja) 2017-08-10
EP3143437A1 (en) 2017-03-22
EP3143437B1 (en) 2021-09-29
US20150331135A1 (en) 2015-11-19
CN106461809A (zh) 2017-02-22
US20190271791A1 (en) 2019-09-05
JP6566446B2 (ja) 2019-08-28
US10564307B2 (en) 2020-02-18
WO2015175406A1 (en) 2015-11-19

Similar Documents

Publication Publication Date Title
CN106461809B (zh) 用于基于感应热感测的外来对象检测环的系统、方法和装置
US11719847B2 (en) Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space
US11945319B2 (en) Foreign object detection using heat sensitive material and inductive sensing
US10298049B2 (en) Systems, methods, and apparatus for detecting metallic objects in a predetermined space via inductive kinematic sensing
JP6683743B2 (ja) 誘導電力伝達システムにおけるデバイスの位置合わせおよび識別
JP6514195B2 (ja) 外来オブジェクト検出ループアレイ感度の向上のためのシステム、方法、および装置
EP3241265B1 (en) Systems, methods, and apparatus for detecting foreign objects
CN105580241A (zh) 感应电力传递系统中的装置对准
CN107364355A (zh) 关于检测和识别电动车辆和充电站的系统、方法和设备
CN104521151A (zh) 在预定空间中检测金属物件的系统、方法和设备
CN109874355A (zh) 充电系统、充电控制器、充电器、信息设备、充电方法和存储介质
WO2025199209A1 (en) Systems and methods for foreign object detection in wireless power transfer

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190509

Address after: Massachusetts, USA

Patentee after: Witricity Corp.

Address before: American California

Patentee before: Qualcomm Inc.