CN107431388A - 在无线充电应用中实现存在和使用模式检测的方法和装置 - Google Patents

在无线充电应用中实现存在和使用模式检测的方法和装置 Download PDF

Info

Publication number
CN107431388A
CN107431388A CN201680021151.2A CN201680021151A CN107431388A CN 107431388 A CN107431388 A CN 107431388A CN 201680021151 A CN201680021151 A CN 201680021151A CN 107431388 A CN107431388 A CN 107431388A
Authority
CN
China
Prior art keywords
coupler
parasitic capacitance
foreign object
time
response
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.)
Pending
Application number
CN201680021151.2A
Other languages
English (en)
Chinese (zh)
Inventor
A·戈文达拉吉
W·H·冯诺瓦克三世
M-L·奇
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.)
Qualcomm Inc
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 CN107431388A publication Critical patent/CN107431388A/zh
Pending legal-status Critical Current

Links

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
    • H02J50/60—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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/73—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for taking measurements, e.g. using sensing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power 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
    • H02J50/80—Circuit 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
    • 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
    • H02J7/42—

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
CN201680021151.2A 2015-04-10 2016-04-06 在无线充电应用中实现存在和使用模式检测的方法和装置 Pending CN107431388A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562146064P 2015-04-10 2015-04-10
US62/146,064 2015-04-10
US15/090,920 2016-04-05
US15/090,920 US10411512B2 (en) 2015-04-10 2016-04-05 Methods and apparatus for implementing presence and usage pattern detection in wireless charging applications
PCT/US2016/026243 WO2016164478A1 (en) 2015-04-10 2016-04-06 Methods and apparatus for implementing presence and usage pattern detection in wireless charging applications

Publications (1)

Publication Number Publication Date
CN107431388A true CN107431388A (zh) 2017-12-01

Family

ID=55755770

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680021151.2A Pending CN107431388A (zh) 2015-04-10 2016-04-06 在无线充电应用中实现存在和使用模式检测的方法和装置

Country Status (5)

Country Link
US (1) US10411512B2 (enExample)
EP (1) EP3281277A1 (enExample)
JP (1) JP6708662B2 (enExample)
CN (1) CN107431388A (enExample)
WO (1) WO2016164478A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112039228A (zh) * 2020-08-31 2020-12-04 维沃移动通信有限公司 电子设备的充电电路和电子设备的充电方法
CN113858985A (zh) * 2021-09-15 2021-12-31 合肥有感科技有限责任公司 无线充电异物检测方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170059365A1 (en) * 2015-08-24 2017-03-02 Pabellon, Inc. Wireless sensing
US20220278562A1 (en) * 2019-08-07 2022-09-01 Stryker Corporation Foreign Object Detection For Wireless Charging Systems
JP7434998B2 (ja) * 2020-02-14 2024-02-21 オムロン株式会社 無線給電システムおよび人体照射電力量推定プログラム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130015699A1 (en) * 2011-07-14 2013-01-17 Sony Corporation Power supply apparatus, power supply system, vehicle, and electronic apparatus
CN103329398A (zh) * 2011-01-26 2013-09-25 株式会社村田制作所 电力输送系统
US20140049422A1 (en) * 2012-08-17 2014-02-20 Qualcomm Incorporated Wireless power system with capacitive proximity sensing
US20140183970A1 (en) * 2011-10-28 2014-07-03 Panasonic Corporation Contactless power transmission device, and power feeder and power receiver for use in the same
US20150022014A1 (en) * 2013-07-22 2015-01-22 Funai Electric Co., Ltd. Power Supply Device and Method for Detecting Presence of Foreign Object

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8007826B2 (en) * 2003-12-11 2011-08-30 Acorda Therapeutics, Inc. Sustained release aminopyridine composition
JP5543881B2 (ja) * 2010-09-16 2014-07-09 株式会社東芝 無線電力伝送装置
JP5625723B2 (ja) 2010-10-15 2014-11-19 ソニー株式会社 電子機器、給電方法および給電システム
US8775103B1 (en) 2011-06-17 2014-07-08 Amazon Technologies, Inc. Proximity sensor calibration and configuration
US9726518B2 (en) 2012-07-13 2017-08-08 Qualcomm Incorporated Systems, methods, and apparatus for detection of metal objects in a predetermined space
WO2014064489A1 (en) 2012-10-25 2014-05-01 Nokia Corporation Foreign object detection
JP2015012352A (ja) * 2013-06-27 2015-01-19 マイクロン テクノロジー， インク． 半導体装置
US9419470B2 (en) 2013-09-23 2016-08-16 Qualcomm Incorporated Low power detection of wireless power devices
WO2015171910A1 (en) 2014-05-07 2015-11-12 Witricity Corporation Foreign object detection in wireless energy transfer systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103329398A (zh) * 2011-01-26 2013-09-25 株式会社村田制作所 电力输送系统
US20130015699A1 (en) * 2011-07-14 2013-01-17 Sony Corporation Power supply apparatus, power supply system, vehicle, and electronic apparatus
US20140183970A1 (en) * 2011-10-28 2014-07-03 Panasonic Corporation Contactless power transmission device, and power feeder and power receiver for use in the same
US20140049422A1 (en) * 2012-08-17 2014-02-20 Qualcomm Incorporated Wireless power system with capacitive proximity sensing
US20150022014A1 (en) * 2013-07-22 2015-01-22 Funai Electric Co., Ltd. Power Supply Device and Method for Detecting Presence of Foreign Object

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112039228A (zh) * 2020-08-31 2020-12-04 维沃移动通信有限公司 电子设备的充电电路和电子设备的充电方法
CN113858985A (zh) * 2021-09-15 2021-12-31 合肥有感科技有限责任公司 无线充电异物检测方法
CN113858985B (zh) * 2021-09-15 2023-09-05 合肥有感科技有限责任公司 无线充电异物检测方法

Also Published As

Publication number Publication date
WO2016164478A1 (en) 2016-10-13
EP3281277A1 (en) 2018-02-14
JP2018514179A (ja) 2018-05-31
US20160301252A1 (en) 2016-10-13
US10411512B2 (en) 2019-09-10
JP6708662B2 (ja) 2020-06-10

Similar Documents

Publication Publication Date Title
TWI710196B (zh) 執行異物檢測的方法和裝置
CN105914900B (zh) 无线负载调制
CN109120312B (zh) 近场通信设备和检测近场通信卡的方法
CN103176217B (zh) 检测设备、系统和方法、送电设备及非接触电力传输系统
CN109687561B (zh) 具有基于图像处理的外来物体检测的无线充电系统
CN104823353B (zh) 用于在感应功率传输系统中检测和识别接收器的方法
CN105594098B (zh) 异物检测装置、用于无线电力传输的送电装置和受电装置以及无线电力传输系统
TWI492477B (zh) 金屬偵測方法及金屬偵測裝置、以及非接觸式供電裝置之金屬偵測方法及非接觸式供電裝置
JP6487442B2 (ja) 損失電力検出のための装置および方法
JP6189554B2 (ja) ワイヤレス電力充電システム内の電力およびインピーダンスを測定するためのシステムおよび方法
EP3316450B1 (en) Power transmitting device and non-contact power feeding system
CN107431388A (zh) 在无线充电应用中实现存在和使用模式检测的方法和装置
CN109428404A (zh) 在无线能量传递系统中用于外物检测的方法和系统
CN106067698B (zh) 无线电力发送设备及方法
CN107251362B (zh) 用于利用由相移电流驱动的发射线圈进行无线功率传输的方法和装置
CN107078519B (zh) 用于丢失功率检测的装置和方法
JP6405253B2 (ja) 非接触給電システム
KR20160135223A (ko) 무선 충전에서의 주파수 보호를 위한 시스템 및 방법
CN107040290A (zh) 检测无线充电器上放置的物体
CN109073415B (zh) 在无线电力传输应用中利用多线对准辅助的方法和装置
CN106059632B (zh) 一种载波信号检测转换电路

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171201

WD01 Invention patent application deemed withdrawn after publication