DE102022101902A1 - Verfahren und schaltlogik zur abschwächung der sättigung in drahtlosen leistungssystemen - Google Patents

Verfahren und schaltlogik zur abschwächung der sättigung in drahtlosen leistungssystemen Download PDF

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Publication number
DE102022101902A1
DE102022101902A1 DE102022101902.0A DE102022101902A DE102022101902A1 DE 102022101902 A1 DE102022101902 A1 DE 102022101902A1 DE 102022101902 A DE102022101902 A DE 102022101902A DE 102022101902 A1 DE102022101902 A1 DE 102022101902A1
Authority
DE
Germany
Prior art keywords
wireless power
saturation
power transmission
control circuitry
transmission device
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
DE102022101902.0A
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German (de)
English (en)
Inventor
Adam L. Schwartz
Alireza Safaee
Stephen C. Terry
Zhiyuan Hu
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Apple Inc
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Apple 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 Apple Inc filed Critical Apple Inc
Publication of DE102022101902A1 publication Critical patent/DE102022101902A1/de
Pending legal-status Critical Current

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    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/10—Measuring sum, difference or ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • 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
    • 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
    • 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
    • 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
    • H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation 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
    • H02J50/40—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—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
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • 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
    • H02J7/44—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data between battery management systems and power sources
    • 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
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/933—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/40—Means for preventing magnetic saturation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Inverter Devices (AREA)
DE102022101902.0A 2021-01-29 2022-01-27 Verfahren und schaltlogik zur abschwächung der sättigung in drahtlosen leistungssystemen Pending DE102022101902A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202163143704P 2021-01-29 2021-01-29
US63/143,704 2021-01-29
US17/198,116 2021-03-10
US17/198,116 US11735962B2 (en) 2021-01-29 2021-03-10 Methods and circuitry for mitigating saturation in wireless power systems

Publications (1)

Publication Number Publication Date
DE102022101902A1 true DE102022101902A1 (de) 2022-08-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102022101902.0A Pending DE102022101902A1 (de) 2021-01-29 2022-01-27 Verfahren und schaltlogik zur abschwächung der sättigung in drahtlosen leistungssystemen

Country Status (5)

Country Link
US (4) US11735962B2 (https=)
JP (2) JP7554784B2 (https=)
KR (1) KR102701514B1 (https=)
CN (2) CN117439283B (https=)
DE (1) DE102022101902A1 (https=)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11757307B2 (en) 2020-01-03 2023-09-12 Nucurrent, Inc. Systems and methods for dynamically tuning a wireless power transfer system
US10892800B1 (en) 2020-01-06 2021-01-12 Nucurrent, Inc. Systems and methods for wireless power transfer including pulse width encoded data communications
US11303164B2 (en) 2020-07-24 2022-04-12 Nucurrent, Inc. Low cost communications demodulation for wireless power transmission system
US11303165B2 (en) 2020-07-24 2022-04-12 Nucurrent, Inc. Low cost communications demodulation for wireless power receiver system
US11271611B1 (en) 2021-01-28 2022-03-08 Nucurrent, Inc. Wireless power transfer with in-band virtualized wired communications
US11476898B2 (en) 2021-01-28 2022-10-18 Nucurrent, Inc. Wireless power transfer system with mode switching using selective quality factor alteration
US12355527B2 (en) 2021-01-28 2025-07-08 Nucurrent, Inc. High speed data communications system for industrial use in packaged goods
US11811244B2 (en) 2021-02-01 2023-11-07 Nucurrent, Inc. Automatic gain control for communications demodulation in wireless power transmitters
US11289952B1 (en) 2021-02-10 2022-03-29 Nucurrent, Inc. Slotted communications in virtual AC power signal transfer with variable slot width
US11539247B2 (en) 2021-04-30 2022-12-27 Nucurrent, Inc. Power capability detection in precision power level control systems for wireless power transmission
US11532956B2 (en) 2021-04-30 2022-12-20 Nucurrent, Inc. Power capability detection with verification load in power level control systems for wireless power transmission
US11637448B1 (en) 2021-10-12 2023-04-25 Nucurrent, Inc. Wireless power transmitter with removable magnetic connector panel for vehicular use
CN118104100A (zh) * 2021-10-19 2024-05-28 三星电子株式会社 用于无线发送电力的电子设备及其操作方法
US11892484B2 (en) * 2022-02-11 2024-02-06 Cypress Semiconductor Corporation Psuedo digital ASK demodulator with integrated buck boost and USB-PD for wireless charging
US12476492B2 (en) 2022-09-13 2025-11-18 Nucurrent, Inc. Bit stuffing for thermal mitigation in wireless power and data transfer system
US12573883B2 (en) 2022-09-13 2026-03-10 Nucurrent, Inc. Bit inversion for thermal mitigation in wireless power and data transfer system
CN120077551A (zh) * 2022-10-12 2025-05-30 杜比知识产权许可有限责任公司 无线功率系统中的通信协议
WO2025021473A1 (de) * 2023-07-25 2025-01-30 Sew-Eurodrive Gmbh & Co. Kg System zur berührungslosen energieübertragung und verfahren zum betreiben eines solchen systems
WO2025264078A1 (ko) * 2024-06-18 2025-12-26 삼성전자주식회사 무선 전력 전송 시스템에서 자기 포화를 감지하는 전자 장치, 이의 동작 방법과, 기록매체

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3864242B2 (ja) 1997-09-05 2006-12-27 株式会社安川電機 非接触電源装置
JP4071202B2 (ja) * 2004-02-23 2008-04-02 日本電信電話株式会社 非接触デバイスの電力抑制方法及び非接触デバイス
JP5185081B2 (ja) 2008-11-17 2013-04-17 株式会社東芝 無線端末装置、通信方法、及び通信プログラム
JP2011211863A (ja) 2010-03-30 2011-10-20 Sharp Corp 非接触給電装置
US9161484B2 (en) * 2010-09-26 2015-10-13 Access Business Group International Llc Selectively controllable electromagnetic shielding
US9642171B2 (en) 2011-07-10 2017-05-02 Qualcomm Incorporated Systems and methods for low-overhead wireless beacons having compressed network identifiers
US9325187B2 (en) * 2012-05-21 2016-04-26 Lg Electronics Inc. Structure of transmission and reception unit in wireless charging system
JP2014030288A (ja) 2012-07-31 2014-02-13 Sony Corp 給電装置および給電システム
US9258767B2 (en) 2013-01-07 2016-02-09 Intel IP Corporation Methods and arrangements to compress identification
US20140337950A1 (en) 2013-05-07 2014-11-13 Futurewei Technologies, Inc. Method and Apparatus for Secure Communications in a Wireless Network
GB2519079B (en) 2013-10-08 2020-11-04 Nokia Technologies Oy Method and apparatus for wireless power transfer
US9672976B2 (en) * 2013-10-28 2017-06-06 Nokia Corporation Multi-mode wireless charging
US9391470B2 (en) 2013-11-06 2016-07-12 Blackberry Limited Energy transfer optimization by detecting and mitigating magnetic saturation in wireless charging with foreign object detection
US10020687B2 (en) * 2014-01-22 2018-07-10 Apple Inc. Coupled-coil power control for inductive power transfer systems
KR20160117587A (ko) * 2014-02-23 2016-10-10 애플 인크. 유도 전력 전송 시스템의 임피던스 매칭
CN104167830B (zh) * 2014-08-26 2016-10-19 哈尔滨工业大学 空载时屏蔽电磁辐射的无线能量传输装置
CN104993563A (zh) * 2015-08-12 2015-10-21 苏州宝润电子科技有限公司 避免磁饱和提高无线充电效率
EP3375068B1 (en) * 2015-11-09 2019-05-15 Koninklijke Philips N.V. Wireless inductive power transfer
WO2017131531A1 (en) * 2016-01-26 2017-08-03 Powerbyproxi Limited Inductive power transfer
CN106230126A (zh) * 2016-03-04 2016-12-14 中惠创智无线供电技术有限公司 点对点无线供电线圈耦合模型及点对点无线供电系统
CN106059109A (zh) * 2016-07-27 2016-10-26 徐州工程学院 一种磁路机构非接触电能传输装置
CA3032765C (en) * 2016-08-08 2020-01-21 Witricity Corporation Inductor system having shared material for flux cancellation
CN106371047B (zh) * 2016-08-17 2018-09-11 云南电网有限责任公司电力科学研究院 一种低功率铁芯线圈电流互感器的饱和判定方法
US10601250B1 (en) 2016-09-22 2020-03-24 Apple Inc. Asymmetric duty control of a half bridge power converter
CN206230126U (zh) 2016-10-21 2017-06-09 杭州职业技术学院 焊接机器人多轴运动控制装置的微调机构
KR102742227B1 (ko) * 2017-02-10 2024-12-13 엘지이노텍 주식회사 자성시트 및 이를 포함하는 무선 전력 수신 장치
EP3410568A1 (en) 2017-05-30 2018-12-05 Koninklijke Philips N.V. Foreign object detection in a wireless power transfer system
US11196298B2 (en) * 2018-03-28 2021-12-07 Apple Inc. Wireless charging device with sinusoidal pulse-width modulation
EP3550578B1 (en) * 2018-04-04 2020-12-09 BIOTRONIK SE & Co. KG Coil core in the form of a ferromagnetic rivet for spiral inductors on printed circuit boards
EP3572617A1 (en) * 2018-05-23 2019-11-27 Welltec Oilfield Solutions AG Downhole charging system and method
DE102018212680A1 (de) * 2018-07-30 2020-01-30 E.G.O. Elektro-Gerätebau GmbH Verfahren und Vorrichtung zur induktiven Energieübertragung
US11035884B2 (en) 2019-01-03 2021-06-15 Apple Inc. Multiple network probing
CN111817451B (zh) 2020-09-07 2021-02-02 北京有感科技有限责任公司 无线充电系统
EP4241359B1 (en) * 2020-11-04 2024-10-16 The Alfred E. Mann Foundation for Scientific Research Automatically-aligning magnetic field system

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Publication number Publication date
US12456886B2 (en) 2025-10-28
US11735962B2 (en) 2023-08-22
CN117439283A (zh) 2024-01-23
US20220247232A1 (en) 2022-08-04
KR20220110109A (ko) 2022-08-05
JP7554784B2 (ja) 2024-09-20
US20240266886A1 (en) 2024-08-08
JP2022117484A (ja) 2022-08-10
JP2024026092A (ja) 2024-02-28
US20230327495A1 (en) 2023-10-12
KR102701514B1 (ko) 2024-09-04
US11984737B2 (en) 2024-05-14
US12374935B2 (en) 2025-07-29
US20240250561A1 (en) 2024-07-25
CN114825662A (zh) 2022-07-29
CN117439283B (zh) 2025-02-25
JP7817225B2 (ja) 2026-02-18

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