CN104981957B - 用于无线电力系统的主动及自适应场抵消 - Google Patents

用于无线电力系统的主动及自适应场抵消 Download PDF

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Publication number
CN104981957B
CN104981957B CN201480008309.3A CN201480008309A CN104981957B CN 104981957 B CN104981957 B CN 104981957B CN 201480008309 A CN201480008309 A CN 201480008309A CN 104981957 B CN104981957 B CN 104981957B
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CN
China
Prior art keywords
field
data group
circuit
signal
wireless power
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Expired - Fee Related
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CN201480008309.3A
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English (en)
Chinese (zh)
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CN104981957A (zh
Inventor
威廉·亨利·范诺瓦克
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Qualcomm Inc
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Qualcomm Inc
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/60Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • H02J7/0049Detection of fully charged condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Near-Field Transmission Systems (AREA)
CN201480008309.3A 2013-03-01 2014-02-21 用于无线电力系统的主动及自适应场抵消 Expired - Fee Related CN104981957B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/783,108 US9819228B2 (en) 2013-03-01 2013-03-01 Active and adaptive field cancellation for wireless power systems
US13/783,108 2013-03-01
PCT/US2014/017589 WO2014133886A1 (en) 2013-03-01 2014-02-21 Active and adaptive field cancellation for wireless power systems

Publications (2)

Publication Number Publication Date
CN104981957A CN104981957A (zh) 2015-10-14
CN104981957B true CN104981957B (zh) 2018-02-13

Family

ID=50277332

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480008309.3A Expired - Fee Related CN104981957B (zh) 2013-03-01 2014-02-21 用于无线电力系统的主动及自适应场抵消

Country Status (6)

Country Link
US (1) US9819228B2 (enExample)
EP (1) EP2962378B1 (enExample)
JP (1) JP6345706B2 (enExample)
KR (1) KR20150122692A (enExample)
CN (1) CN104981957B (enExample)
WO (1) WO2014133886A1 (enExample)

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WO2014185490A1 (ja) * 2013-05-15 2014-11-20 日本電気株式会社 電力伝送システム、送電装置、受電装置、及び電力伝送方法
KR102155371B1 (ko) * 2013-09-09 2020-09-11 삼성전자주식회사 고조파 노이즈 제거를 위한 무선 전력 전송 방법 및 장치
US20150336463A1 (en) * 2014-05-21 2015-11-26 Delphi Technologies, Inc. Active electromagnetic interference mitigation system and method
US10033226B2 (en) 2015-05-04 2018-07-24 Qualcomm Incorporated Methods and apparatus for out of phase field mitigation
JP6622558B2 (ja) * 2015-10-23 2019-12-18 キヤノン株式会社 無線電力伝送システム及び送電装置
US10566850B2 (en) * 2016-06-10 2020-02-18 Witricity Corporation Apparatus and methods for reducing magnetic field emissions between wireless power transmitters
CN105932787B (zh) * 2016-06-14 2018-10-02 四川大学 有源电磁干扰抑制补偿磁共振无线能量传输系统
KR102018268B1 (ko) * 2016-10-18 2019-11-14 엘지이노텍 주식회사 무선 충전을 위한 인덕턴스 매핑 방법 및 장치
CN106602741A (zh) * 2016-12-16 2017-04-26 中海阳能源集团股份有限公司 一种高效率、高安全系数的磁耦合无线充电装置
US11316361B2 (en) * 2017-05-03 2022-04-26 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device, charging method thereof, and electronic device
DE102017208682A1 (de) 2017-05-23 2018-11-29 Robert Bosch Gmbh Emissionsschutzvorrichtung und Verfahren zum Betreiben einer Last
CN107393284A (zh) * 2017-09-01 2017-11-24 哈尔滨电工仪表研究所 一种电能表通信装置
CN108394286A (zh) * 2017-10-19 2018-08-14 蔚来汽车有限公司 一种动态有源漏磁屏蔽装置及方法
US10763037B2 (en) * 2018-03-23 2020-09-01 Analog Devices, Inc. EMI rejection for near field links
WO2021140377A1 (en) * 2020-01-07 2021-07-15 Cochlear Limited Magnetic field cancellation circuitry
US20220302769A1 (en) * 2020-07-27 2022-09-22 Mitsubishi Electric Engineering Company, Limited Wireless power transmission system and wireless power reception device
CN112564312B (zh) * 2020-12-28 2023-12-15 周欣荣 一种具有自屏蔽功能的视觉假体无线供电系统及其控制方法

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WO2007031897A1 (en) * 2005-09-12 2007-03-22 Philips Intellectual Property & Standards Gmbh Device for recharging batteries
CN103107585A (zh) * 2006-09-29 2013-05-15 捷通国际有限公司 用于对电池进行感应充电的系统和方法
CN102694422A (zh) * 2011-03-22 2012-09-26 株式会社东芝 无线电力传送装置和无线电力传送系统
EP2541792A1 (en) * 2011-06-28 2013-01-02 Kabushiki Kaisha Toshiba Wireless power transmission system, power transmission apparatus and power reception apparatus

Also Published As

Publication number Publication date
JP6345706B2 (ja) 2018-06-20
KR20150122692A (ko) 2015-11-02
CN104981957A (zh) 2015-10-14
WO2014133886A1 (en) 2014-09-04
US9819228B2 (en) 2017-11-14
EP2962378A1 (en) 2016-01-06
US20140246916A1 (en) 2014-09-04
EP2962378B1 (en) 2016-07-27
JP2016514447A (ja) 2016-05-19

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