CN108028551B - 用于屏蔽无线功率发射器的装置和方法 - Google Patents

用于屏蔽无线功率发射器的装置和方法 Download PDF

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CN108028551B
CN108028551B CN201680053749.XA CN201680053749A CN108028551B CN 108028551 B CN108028551 B CN 108028551B CN 201680053749 A CN201680053749 A CN 201680053749A CN 108028551 B CN108028551 B CN 108028551B
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metal sheet
slot
slots
coil
eddy currents
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Chinese (zh)
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CN108028551A (zh
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郑胜宪
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • 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
    • 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
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and 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
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • 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
    • 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
    • H02J50/60—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—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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
    • H05K1/0224—Patterned shielding planes, ground planes or power planes
    • H05K1/0227—Split or nearly split shielding or ground planes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • 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
    • H01F2027/348—Preventing eddy currents
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0237—High frequency adaptations
    • H05K1/0239—Signal transmission by AC coupling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistors, capacitors or inductors
    • H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistors, capacitors or inductors incorporating printed inductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/09672—Superposed layout, i.e. in different planes

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Aerials With Secondary Devices (AREA)
  • Near-Field Transmission Systems (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
CN201680053749.XA 2015-09-17 2016-09-02 用于屏蔽无线功率发射器的装置和方法 Active CN108028551B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562219932P 2015-09-17 2015-09-17
US62/219,932 2015-09-17
US15/155,585 2016-05-16
US15/155,585 US10181757B2 (en) 2015-09-17 2016-05-16 Apparatus and methods for shielding a wireless power transmitter
PCT/US2016/050130 WO2017048535A1 (en) 2015-09-17 2016-09-02 Apparatus and methods for shielding a wireless power transmitter

Publications (2)

Publication Number Publication Date
CN108028551A CN108028551A (zh) 2018-05-11
CN108028551B true CN108028551B (zh) 2022-01-28

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CN201680053749.XA Active CN108028551B (zh) 2015-09-17 2016-09-02 用于屏蔽无线功率发射器的装置和方法

Country Status (7)

Country Link
US (1) US10181757B2 (enExample)
EP (1) EP3350903A1 (enExample)
JP (1) JP2018537840A (enExample)
KR (1) KR20180052740A (enExample)
CN (1) CN108028551B (enExample)
BR (1) BR112018005325A2 (enExample)
WO (1) WO2017048535A1 (enExample)

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CN106489082B (zh) * 2014-05-07 2021-09-21 无线电力公司 无线能量传送系统中的异物检测
SE1550340A1 (sv) * 2015-03-23 2016-06-21 Nok9 Ab A testing device for wireless power transfer, and an associated method
US10432031B2 (en) 2016-12-09 2019-10-01 Nucurrent, Inc. Antenna having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling
CN107300956B (zh) * 2017-07-03 2020-05-19 英业达科技有限公司 噪声抑制组件及具有此噪声抑制组件的主机板
US11270824B2 (en) * 2018-01-12 2022-03-08 Scooch, LLC Ferromagnetic accessories for a handheld device
KR102068159B1 (ko) * 2018-02-27 2020-01-20 (주)파트론 전자 장치
US10855118B2 (en) 2018-06-22 2020-12-01 Apple Inc. Electric shielding structures
CN110060981B (zh) * 2019-03-27 2024-05-31 海宁利伊电子科技有限公司 基于人工表面等离子体的电磁干扰辐射抑制结构
WO2020256409A1 (ko) * 2019-06-18 2020-12-24 주식회사 아모센스 자기장 차폐시트 및 이의 제조방법
NL2023959B1 (en) * 2019-10-03 2021-06-01 Prodrive Tech Bv Shielded inductive power transfer systems
CN110753438B (zh) * 2019-11-02 2020-11-10 中国原子能科学研究院 一种束流线磁铁屏蔽装置和屏蔽方法
US20250370566A1 (en) * 2022-06-16 2025-12-04 Hideep Inc. Touch input device
CN116033646B (zh) * 2022-07-15 2023-11-24 荣耀终端有限公司 Pcb组件及电子设备

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JP2008131115A (ja) * 2006-11-17 2008-06-05 Tamura Seisakusho Co Ltd アンテナコイル及び通信機器
WO2013117973A2 (en) * 2012-02-06 2013-08-15 Toyota Jidosha Kabushiki Kaisha Power transmitting device, power receiving device and power transfer system
WO2015101842A1 (en) * 2014-01-06 2015-07-09 Nokia Technologies Oy A body of a portable electronic device that includes a near field coil

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JP6066256B2 (ja) 2011-12-28 2017-01-25 日立金属株式会社 磁性シート、伝送コイル部品及び非接触充電装置
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WO2015101842A1 (en) * 2014-01-06 2015-07-09 Nokia Technologies Oy A body of a portable electronic device that includes a near field coil

Also Published As

Publication number Publication date
EP3350903A1 (en) 2018-07-25
KR20180052740A (ko) 2018-05-18
US10181757B2 (en) 2019-01-15
CN108028551A (zh) 2018-05-11
US20170085134A1 (en) 2017-03-23
WO2017048535A1 (en) 2017-03-23
JP2018537840A (ja) 2018-12-20
BR112018005325A2 (pt) 2018-10-09

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