CN105556795B - 无线电力装置的低电力检测 - Google Patents

无线电力装置的低电力检测 Download PDF

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Publication number
CN105556795B
CN105556795B CN201480051666.8A CN201480051666A CN105556795B CN 105556795 B CN105556795 B CN 105556795B CN 201480051666 A CN201480051666 A CN 201480051666A CN 105556795 B CN105556795 B CN 105556795B
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China
Prior art keywords
transmitter
detection circuit
change
power
frequency
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CN201480051666.8A
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English (en)
Chinese (zh)
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CN105556795A (zh
Inventor
威廉·亨利·冯诺瓦克三世
弗朗切斯科·卡罗勃兰特
韦斯顿·丹尼尔·布朗
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Qualcomm Inc
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Qualcomm Inc
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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
    • H02J50/10—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
    • 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
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H02J50/23—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
    • 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
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H02J50/27—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of receiving antennas, e.g. rectennas
    • 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
    • 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
CN201480051666.8A 2013-09-23 2014-08-20 无线电力装置的低电力检测 Active CN105556795B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361881322P 2013-09-23 2013-09-23
US61/881,322 2013-09-23
US14/273,234 2014-05-08
US14/273,234 US9419470B2 (en) 2013-09-23 2014-05-08 Low power detection of wireless power devices
PCT/US2014/051902 WO2015041790A1 (en) 2013-09-23 2014-08-20 Low power detection of wireless power devices

Publications (2)

Publication Number Publication Date
CN105556795A CN105556795A (zh) 2016-05-04
CN105556795B true CN105556795B (zh) 2018-09-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480051666.8A Active CN105556795B (zh) 2013-09-23 2014-08-20 无线电力装置的低电力检测

Country Status (5)

Country Link
US (1) US9419470B2 (enExample)
EP (1) EP3047557B1 (enExample)
JP (1) JP6328251B2 (enExample)
CN (1) CN105556795B (enExample)
WO (1) WO2015041790A1 (enExample)

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KR20160022823A (ko) * 2013-06-19 2016-03-02 르네사스 일렉트로닉스 가부시키가이샤 송전 장치, 비접촉 급전 시스템 및 제어 방법
US9815379B2 (en) * 2014-01-21 2017-11-14 Qualcomm Incorporated Systems and methods for electric vehicle induction coil alignment
US9608481B2 (en) * 2014-06-09 2017-03-28 Nxp B.V. Inductive power supply
JP6440080B2 (ja) * 2015-03-12 2018-12-19 パナソニックＩｐマネジメント株式会社 非接触給電装置、プログラム、非接触給電装置の制御方法、および非接触電力伝送システム
US10411512B2 (en) 2015-04-10 2019-09-10 Qualcomm Incorporated Methods and apparatus for implementing presence and usage pattern detection in wireless charging applications
JP6609986B2 (ja) * 2015-05-13 2019-11-27 セイコーエプソン株式会社 制御装置、電子機器及び無接点電力伝送システム
KR101637411B1 (ko) * 2015-07-31 2016-07-08 (주)파워리퍼블릭얼라이언스 금속 환경 자기공진 무선전력전송 시스템용 송신기
KR102457368B1 (ko) * 2015-09-11 2022-10-21 삼성전자 주식회사 전자 장치의 무선 전력 송출 방법 및 이를 사용하는 전자 장치
US10284015B2 (en) * 2015-10-01 2019-05-07 Integrated Device Technology, Inc. Wireless power transmitter
CN113937901A (zh) * 2016-08-26 2022-01-14 纽卡润特有限公司 无线连接器系统
US20180131218A1 (en) * 2016-11-10 2018-05-10 Qualcomm Incorporated Wirless power transfer for a wireless power receiver with a dead battery
CN107124234B (zh) * 2017-06-01 2020-07-31 浙江诺尔康神经电子科技股份有限公司 一种无线传输线圈脱落监测电路及系统
US11206060B2 (en) * 2017-09-21 2021-12-21 Enphase Energy, Inc. Apparatus for communicating across an isolation barrier
US11171502B2 (en) 2018-02-23 2021-11-09 Aira, Inc. Free positioning charging pad
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
US11018703B2 (en) 2018-09-21 2021-05-25 Qualcomm Incorporated Systems and methods for antenna tuning
DE102019214049A1 (de) * 2019-09-16 2021-03-18 Robert Bosch Gmbh Verfahren zu einem kabellosen Übertragen von elektrischer Energie an ein Energieempfängergerät, Energieübertragungsgerät und System aus Energieempfängergerät und Energieübertragungsgerät

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CN102292921A (zh) * 2009-01-22 2011-12-21 高通股份有限公司 无线电力传输中的阻抗改变检测
WO2012015838A2 (en) * 2010-07-28 2012-02-02 Qualcomm Incorporated Low power detection of wireless power devices
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CN102904348A (zh) * 2011-07-25 2013-01-30 索尼公司 能量接收器、能量发送器、检测装置及检测方法

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CN101529691A (zh) * 2006-10-26 2009-09-09 皇家飞利浦电子股份有限公司 电感式功率系统和操作方法
CN102027690A (zh) * 2008-05-13 2011-04-20 高通股份有限公司 用于电器和设备的无线电力传递
CN102292921A (zh) * 2009-01-22 2011-12-21 高通股份有限公司 无线电力传输中的阻抗改变检测
KR101161836B1 (ko) * 2009-12-10 2012-07-03 정관옥 무접점 전력전송장치, 무접점 충전장치, 무접점 충전 시스템 및 이를 이용한 무선 전력전송방법
WO2012015838A2 (en) * 2010-07-28 2012-02-02 Qualcomm Incorporated Low power detection of wireless power devices
CN102904348A (zh) * 2011-07-25 2013-01-30 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
WO2015041790A1 (en) 2015-03-26
JP2016536970A (ja) 2016-11-24
EP3047557B1 (en) 2018-03-07
EP3047557A1 (en) 2016-07-27
US20150084586A1 (en) 2015-03-26
JP6328251B2 (ja) 2018-05-23
US9419470B2 (en) 2016-08-16
CN105556795A (zh) 2016-05-04

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