CN107534321B - 用于异相场减轻的方法和装置 - Google Patents

用于异相场减轻的方法和装置 Download PDF

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Publication number
CN107534321B
CN107534321B CN201680025966.8A CN201680025966A CN107534321B CN 107534321 B CN107534321 B CN 107534321B CN 201680025966 A CN201680025966 A CN 201680025966A CN 107534321 B CN107534321 B CN 107534321B
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CN
China
Prior art keywords
magnetic field
coil
phase
wireless power
field component
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CN201680025966.8A
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English (en)
Chinese (zh)
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CN107534321A (zh
Inventor
M·怀特二世
郑胜宪
W·H·冯诺瓦克三世
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • H02J7/42—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data with electronic devices having internal batteries, e.g. mobile phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H04B5/266—One coil at each side, e.g. with primary and secondary 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
CN201680025966.8A 2015-05-04 2016-04-05 用于异相场减轻的方法和装置 Active CN107534321B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562156793P 2015-05-04 2015-05-04
US62/156,793 2015-05-04
US14/975,524 US10033226B2 (en) 2015-05-04 2015-12-18 Methods and apparatus for out of phase field mitigation
US14/975,524 2015-12-18
PCT/US2016/026037 WO2016178769A1 (en) 2015-05-04 2016-04-05 Methods and apparatus for out of phase field mitigation

Publications (2)

Publication Number Publication Date
CN107534321A CN107534321A (zh) 2018-01-02
CN107534321B true CN107534321B (zh) 2020-09-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680025966.8A Active CN107534321B (zh) 2015-05-04 2016-04-05 用于异相场减轻的方法和装置

Country Status (5)

Country Link
US (1) US10033226B2 (https=)
EP (1) EP3292635B1 (https=)
JP (1) JP2018521612A (https=)
CN (1) CN107534321B (https=)
WO (1) WO2016178769A1 (https=)

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US10224753B2 (en) 2015-05-27 2019-03-05 Qualcomm Incorporated Wireless power transfer using a field altering circuit
US10516304B2 (en) 2015-12-22 2019-12-24 Intel Corporation Wireless charging coil placement for reduced field exposure
US10411492B2 (en) * 2015-12-23 2019-09-10 Intel Corporation Wireless power transmitter shield with capacitors
US10566850B2 (en) * 2016-06-10 2020-02-18 Witricity Corporation Apparatus and methods for reducing magnetic field emissions between wireless power transmitters
US10408642B2 (en) * 2016-11-02 2019-09-10 Ksr Ip Holdings Llc Duty cycle modulation for inductive position sensors
WO2019089073A1 (en) 2017-11-02 2019-05-09 Ksr Ip Holdings Llc. Duty cycle for inductive position sensors
DE102018103854A1 (de) * 2018-02-21 2019-08-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ladeeinrichtung
US11482921B2 (en) * 2019-05-03 2022-10-25 Witricity Corporation Active harmonics cancellation
CN115552764A (zh) * 2020-03-06 2022-12-30 索雷斯能源公司 无线功率传输发射器、无线地传输功率的系统和方法
CN111731139B (zh) * 2020-05-19 2022-05-24 华为技术有限公司 无线充电的接收端、发射端、系统、控制方法及电动汽车
EP4364271A4 (en) * 2021-07-02 2025-03-12 Abb Schweiz Ag CORELESS PLANE COIL AND POWER TRANSFORMER
US12526012B1 (en) * 2024-09-26 2026-01-13 Allegro Microsystems, Llc Wireless power transmission with channel redundancy

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN103683524A (zh) * 2012-08-29 2014-03-26 通用电气公司 无接触功率传递系统

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* Cited by examiner, † Cited by third party
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JP4922347B2 (ja) * 2009-06-08 2012-04-25 株式会社東芝 複合アンテナ及びこれを用いた通信機器
US9094057B2 (en) 2010-08-25 2015-07-28 Qualcomm Incorporated Parasitic circuit for device protection
KR101213086B1 (ko) 2010-11-04 2012-12-18 유한회사 한림포스텍 무선 전력 전송 장치에서의 무선 전력 신호 제어 방법 및 이를 이용하는 무선 전력 전송 장치
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
US9093215B2 (en) 2012-05-07 2015-07-28 Qualcomm Incorporated Push-pull driver for generating a signal for wireless power transfer
US9166439B2 (en) 2012-11-05 2015-10-20 Qualcomm Incorporated Systems and methods for forward link communication in wireless power systems
KR102144360B1 (ko) 2012-12-05 2020-08-13 삼성전자주식회사 스마트 근거리무선통신 안테나 매칭 네트워크 시스템 및 그것을 포함한 유저 장치
US9819228B2 (en) 2013-03-01 2017-11-14 Qualcomm Incorporated Active and adaptive field cancellation for wireless power systems
JP2014197932A (ja) * 2013-03-29 2014-10-16 株式会社エクォス・リサーチ 電力伝送システム
JP6085813B2 (ja) * 2013-03-29 2017-03-01 株式会社エクォス・リサーチ 電力伝送システム
JP6085812B2 (ja) * 2013-03-29 2017-03-01 株式会社エクォス・リサーチ 電力伝送システム
US10020683B2 (en) 2013-10-31 2018-07-10 Qualcomm Incorporated Systems, apparatus, and method for a dual mode wireless power receiver

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CN103683524A (zh) * 2012-08-29 2014-03-26 通用电气公司 无接触功率传递系统

Also Published As

Publication number Publication date
EP3292635A1 (en) 2018-03-14
EP3292635B1 (en) 2021-08-25
CN107534321A (zh) 2018-01-02
JP2018521612A (ja) 2018-08-02
US20160329748A1 (en) 2016-11-10
US10033226B2 (en) 2018-07-24
WO2016178769A1 (en) 2016-11-10

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