KR102222222B1 - 유도 전력 전송 필드에서의 이물질 검출 - Google Patents

유도 전력 전송 필드에서의 이물질 검출 Download PDF

Info

Publication number
KR102222222B1
KR102222222B1 KR1020177001769A KR20177001769A KR102222222B1 KR 102222222 B1 KR102222222 B1 KR 102222222B1 KR 1020177001769 A KR1020177001769 A KR 1020177001769A KR 20177001769 A KR20177001769 A KR 20177001769A KR 102222222 B1 KR102222222 B1 KR 102222222B1
Authority
KR
South Korea
Prior art keywords
power
transmitter coil
transmitter
reactive power
estimating
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.)
Expired - Fee Related
Application number
KR1020177001769A
Other languages
English (en)
Korean (ko)
Other versions
KR20170018454A (ko
Inventor
샌더 보크
탐 보크
Original Assignee
애플 인크.
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 애플 인크. filed Critical 애플 인크.
Publication of KR20170018454A publication Critical patent/KR20170018454A/ko
Application granted granted Critical
Publication of KR102222222B1 publication Critical patent/KR102222222B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
KR1020177001769A 2014-06-20 2015-06-11 유도 전력 전송 필드에서의 이물질 검출 Expired - Fee Related KR102222222B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ626547 2014-06-20
NZ62654714 2014-06-20
PCT/NZ2015/050072 WO2015194969A1 (en) 2014-06-20 2015-06-11 Foreign object detection in inductive power transfer field

Publications (2)

Publication Number Publication Date
KR20170018454A KR20170018454A (ko) 2017-02-17
KR102222222B1 true KR102222222B1 (ko) 2021-03-03

Family

ID=54935837

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020177001769A Expired - Fee Related KR102222222B1 (ko) 2014-06-20 2015-06-11 유도 전력 전송 필드에서의 이물질 검출

Country Status (6)

Country Link
US (2) US20170163100A1 (enExample)
EP (1) EP3158621A4 (enExample)
JP (1) JP6633066B2 (enExample)
KR (1) KR102222222B1 (enExample)
CN (1) CN107078518B (enExample)
WO (1) WO2015194969A1 (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2528474A (en) * 2014-07-23 2016-01-27 Bombardier Transp Gmbh Operation of an inductive power transfer system
JP6376919B2 (ja) * 2014-09-22 2018-08-22 キヤノン株式会社 給電装置及び電子機器
JP6632293B2 (ja) * 2015-09-28 2020-01-22 キヤノン株式会社 送電装置及びその制御方法、制御装置、コンピュータプログラム
US10530196B2 (en) 2016-02-05 2020-01-07 Texas Instruments Incorporated Methods and apparatus for power loss calibration in a wireless power system
US10505401B2 (en) * 2017-02-02 2019-12-10 Apple Inc. Wireless charging system with receiver locating circuitry and foreign object detection
US10714985B2 (en) 2017-10-11 2020-07-14 Spark Connected LLC Wireless power transfer system and method
CN107947286A (zh) * 2017-12-15 2018-04-20 北京联盛德微电子有限责任公司 一种支持负载识别的无线充电设备及其识别方法
KR102509314B1 (ko) * 2018-05-16 2023-03-14 엘지이노텍 주식회사 무선 전력 전송 제어 방법 및 장치
CN109038850B (zh) 2018-06-25 2020-07-24 华为技术有限公司 一种检测无线充电系统中金属异物的装置、设备及方法
DE112019003285A5 (de) * 2018-06-29 2021-03-18 Brusa Elektronik Ag Basisstation für ein energieübertragungssystem
EP3637583A1 (en) * 2018-10-09 2020-04-15 Koninklijke Philips N.V. Wireless power transfer
US11527920B2 (en) 2018-11-28 2022-12-13 Integrated Device Technology, Inc. Enhanced foreign object detection with coil current sensing in wireless power transfer systems
US11418067B2 (en) * 2018-11-28 2022-08-16 Integrated Device Technology, Inc. Enhanced foreign object detection with coil current sensing in wireless power transfer systems
CN111245107B (zh) * 2018-11-28 2024-03-19 集成装置技术公司 无线电力传送系统中利用线圈电流感测的增强型异物检测
US11211829B2 (en) 2018-12-31 2021-12-28 Integrated Device Technology, Inc. Systems and methods for operation efficiency in wireless power transfer
US11509169B2 (en) 2019-02-13 2022-11-22 Spark Connected LLC Sub-surface wireless charging
US11152823B2 (en) 2019-04-01 2021-10-19 Spark Connected LLC Translation unit for wireless power transfer
US11881720B2 (en) 2019-09-12 2024-01-23 Spark Connected LLC Electronic device, wireless charger and wireless charging system
US12476490B2 (en) 2019-10-04 2025-11-18 Northeastern University Device sensing and charging using networked coils
KR102830213B1 (ko) * 2019-11-18 2025-07-07 삼성전자주식회사 무선으로 전력을 전송하는 전자 장치 및 이의 동작 방법
US11515739B2 (en) 2020-02-14 2022-11-29 Spark Connected LLC FOD and wireless power transfer calibration
DE112020006434T5 (de) * 2020-03-03 2022-10-20 Microchip Technology Incorporated Erkennung von objekten mit geringer leistung in drahtlosenmehrspulenladeystemen und zugehörige systeme, verfahren und vorrichtungen
US12068631B2 (en) 2020-04-13 2024-08-20 Spark Connected LLC Alignment method for sub-surface wireless charger
US12053055B2 (en) 2020-05-15 2024-08-06 Spark Connected LLC Dual function wireless power and thermal receiver
US11888331B2 (en) 2020-07-01 2024-01-30 Spark Connected LLC Sub-surface wireless charging and associated method
EP4210201A4 (en) 2020-09-04 2024-12-04 LG Electronics Inc. Wireless power transmitting device and method of detecting foreign substances by wireless power transmitting device
US12170449B2 (en) 2020-09-04 2024-12-17 Lg Electronics Inc. Wireless power receiving device and method of obtaining quality factor of wireless power transmitting device
KR20230084170A (ko) * 2020-10-07 2023-06-12 엘지전자 주식회사 무선전력 전송장치 및 무선전력 전송장치에 의한 무선전력 전송방법
US12500451B2 (en) 2021-05-20 2025-12-16 Spark Connected LLC Wireless power transmitter and receiver
US11764621B1 (en) * 2021-09-10 2023-09-19 Apple Inc. Wireless power transfer with integrated communications
KR20230043439A (ko) * 2021-09-24 2023-03-31 삼성전자주식회사 이물질을 검출하기 위한 전자 장치 및 방법
CN114123533B (zh) * 2021-10-29 2025-01-24 伏达半导体(合肥)股份有限公司 无线电力传输系统及其控制方法
US12047088B2 (en) 2021-12-21 2024-07-23 Apple Inc. Data transfer between analog and digital integrated circuits

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013074730A (ja) * 2011-09-28 2013-04-22 Nissan Motor Co Ltd 非接触給電装置
JP2013123306A (ja) * 2011-12-09 2013-06-20 Toyota Industries Corp 非接触電力伝送装置

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA892468B (en) 1988-04-11 1989-12-27 Uniscan Ltd Improvements in or relating to cutting elements foactuator and communication system r rotary drill bits
US7233137B2 (en) 2003-09-30 2007-06-19 Sharp Kabushiki Kaisha Power supply system
US7605496B2 (en) * 2004-05-11 2009-10-20 Access Business Group International Llc Controlling inductive power transfer systems
GB2414120B (en) 2004-05-11 2008-04-02 Splashpower Ltd Controlling inductive power transfer systems
JP2006230129A (ja) 2005-02-18 2006-08-31 Nanao Corp 非接触電力供給装置
US8169185B2 (en) 2006-01-31 2012-05-01 Mojo Mobility, Inc. System and method for inductive charging of portable devices
US20100328044A1 (en) 2006-10-26 2010-12-30 Koninklijke Philips Electronics N.V. Inductive power system and method of operation
EP2086085B1 (en) * 2006-11-08 2015-04-15 Panasonic Corporation Non-contact charger and non-contact charge system
JP2008236917A (ja) * 2007-03-20 2008-10-02 Seiko Epson Corp 非接触電力伝送装置
US7812481B2 (en) 2007-06-29 2010-10-12 Seiko Epson Corporation Power transmission control device, power transmission device, electronic instrument, and non-contact power transmission system
JP2009027781A (ja) 2007-07-17 2009-02-05 Seiko Epson Corp 受電制御装置、受電装置、無接点電力伝送システム、充電制御装置、バッテリ装置および電子機器
JP4600454B2 (ja) 2007-09-26 2010-12-15 セイコーエプソン株式会社 送電制御装置、送電装置、無接点電力伝送システム、２次コイルの位置決め方法
JP2009112137A (ja) * 2007-10-31 2009-05-21 Meleagros Corp 電力伝送装置の送電装置
JP2009222433A (ja) * 2008-03-13 2009-10-01 Toshiba Corp 電力測定システム
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
JP6035711B2 (ja) 2011-07-21 2016-11-30 ソニー株式会社 検知装置、受電装置、送電装置、非接触電力伝送システム及び検知方法
JP5840886B2 (ja) * 2011-07-25 2016-01-06 ソニー株式会社 検知装置、受電装置、送電装置、非接触電力伝送システム及び検知方法
US8823318B2 (en) 2011-07-25 2014-09-02 ConvenientPower HK Ltd. System and method for operating a mobile device
JP5853199B2 (ja) 2011-08-25 2016-02-09 パナソニックＩｐマネジメント株式会社 非接触給電システムの金属異物検出方法、非接触給電装置、電気機器に設けられた受電装置及び非接触給電システム
US9252846B2 (en) 2011-09-09 2016-02-02 Qualcomm Incorporated Systems and methods for detecting and identifying a wireless power device
JP5794056B2 (ja) * 2011-09-12 2015-10-14 ソニー株式会社 給電装置および給電システム
US9118203B2 (en) 2011-11-15 2015-08-25 Qualcomm Incorporated Systems and methods for induction charging with a closed magnetic loop
DE102011086904A1 (de) 2011-11-23 2013-05-23 Robert Bosch Gmbh Vorrichtung und Verfahren zur induktiven Energieübertragung
JP2013115978A (ja) 2011-11-30 2013-06-10 Sanyo Electric Co Ltd 携帯機器及び給電台と携帯機器の給電方法
JP5838768B2 (ja) 2011-11-30 2016-01-06 ソニー株式会社 検知装置、受電装置、非接触電力伝送システム及び検知方法
KR101951358B1 (ko) * 2011-12-15 2019-02-22 삼성전자주식회사 무선 전력 송신기 및 그 제어 방법
WO2013122483A1 (en) 2012-02-16 2013-08-22 Auckland Uniservices Limited Multiple coil flux pad
JP5502117B2 (ja) * 2012-02-20 2014-05-28 三菱電機株式会社 機器稼動推定装置、安否推定システム、機器稼働推定方法及びプログラム
JP6304714B2 (ja) 2012-05-02 2018-04-04 アップル インコーポレイテッド 誘導電力伝送システムにおいて受信機を検出及び特定する方法
KR101962667B1 (ko) * 2012-07-12 2019-03-27 삼성전자주식회사 무선 전력 송신기, 무선 전력 수신기 및 각각의 제어 방법
US9236757B2 (en) 2012-09-28 2016-01-12 Broadcom Corporation Wireless power transfer adaptation triggers
US9190876B2 (en) * 2012-09-28 2015-11-17 Qualcomm Incorporated Systems and methods for detecting wireless charging transmit characteristics
TW201415749A (zh) 2012-10-12 2014-04-16 Espower Electronics Inc 多機型無線電源供應系統
CN104704710B (zh) * 2012-10-16 2018-06-29 皇家飞利浦有限公司 无线感应功率传输
WO2014083015A1 (en) 2012-11-29 2014-06-05 Koninklijke Philips N.V. Wireless inductive power transfer
JP2015008554A (ja) 2013-06-24 2015-01-15 三洋電機株式会社 無接点給電方法
KR102005563B1 (ko) * 2013-11-22 2019-07-30 지이 하이브리드 테크놀로지스, 엘엘씨 무선 전력 전송 시스템에서 이물질 감지 장치 및 방법
US9939539B2 (en) 2014-04-04 2018-04-10 Texas Instruments Incorporated Wireless power receiver and/or foreign object detection by a wireless power transmitter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013074730A (ja) * 2011-09-28 2013-04-22 Nissan Motor Co Ltd 非接触給電装置
JP2013123306A (ja) * 2011-12-09 2013-06-20 Toyota Industries Corp 非接触電力伝送装置

Also Published As

Publication number Publication date
JP6633066B2 (ja) 2020-01-22
EP3158621A4 (en) 2017-07-12
US20170163100A1 (en) 2017-06-08
JP2017521040A (ja) 2017-07-27
US20190229561A1 (en) 2019-07-25
WO2015194969A1 (en) 2015-12-23
US10879743B2 (en) 2020-12-29
CN107078518B (zh) 2020-02-28
KR20170018454A (ko) 2017-02-17
CN107078518A (zh) 2017-08-18
EP3158621A1 (en) 2017-04-26

Similar Documents

Publication Publication Date Title
KR102222222B1 (ko) 유도 전력 전송 필드에서의 이물질 검출
EP2845290B1 (en) System and method for triggering power transfer across an inductive power coupling and non resonant transmission
EP3160008B1 (en) Foreign objects detection
KR102326188B1 (ko) 무선 전력 전송 시스템들에서 코일 전류 감지로의 강화된 이물질 검출
EP2845416B1 (en) Methods for detecting and identifying a receiver in an inductive power transfer system
CN104040825B (zh) 无接点充电方法
KR102242819B1 (ko) 유도 전력 송신기
EP2950417A1 (en) Wireless power transmission system and power transmission device
EP3393009B1 (en) Detecting foreign objects in wireless power transfer systems
TW201001867A (en) Inductive power transfer
US11418067B2 (en) Enhanced foreign object detection with coil current sensing in wireless power transfer systems
TWI738029B (zh) 無線功率傳輸系統之異物偵測技術
CN111052541A (zh) 无线功率传输系统之异物侦测
JP2014222994A (ja) ワイヤレス電力伝送装置
EP3009866B1 (en) Foreign object detector, power transmitter, power receiver, and wireless power transmission system
WO2012073472A1 (ja) 電力伝送システム
JPWO2014136257A1 (ja) 受電装置
KR20190020167A (ko) 송전 장치 및 시스템
JP3208726U7 (enExample)

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20240225

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20240225