KR102701514B1 - 무선 전력 시스템들에서 포화를 완화시키기 위한 방법들 및 회로부 - Google Patents

무선 전력 시스템들에서 포화를 완화시키기 위한 방법들 및 회로부 Download PDF

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KR102701514B1
KR102701514B1 KR1020220011386A KR20220011386A KR102701514B1 KR 102701514 B1 KR102701514 B1 KR 102701514B1 KR 1020220011386 A KR1020220011386 A KR 1020220011386A KR 20220011386 A KR20220011386 A KR 20220011386A KR 102701514 B1 KR102701514 B1 KR 102701514B1
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wireless power
saturation
inverter
circuit
threshold
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KR20220110109A (ko
Inventor
아담 엘. 슈바르츠
알리레자 사파이
스티븐 씨. 테리
지유안 후
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애플 인크.
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    • 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
    • H02J50/70—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
    • 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—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
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H02J7/80—
    • 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—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
    • H02J7/44—
    • H02J7/933—
    • 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

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  • 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)
KR1020220011386A 2021-01-29 2022-01-26 무선 전력 시스템들에서 포화를 완화시키기 위한 방법들 및 회로부 Active KR102701514B1 (ko)

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 (2)

Publication Number Publication Date
KR20220110109A KR20220110109A (ko) 2022-08-05
KR102701514B1 true KR102701514B1 (ko) 2024-09-04

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

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US10892800B1 (en) 2020-01-06 2021-01-12 Nucurrent, Inc. Systems and methods for wireless power transfer including pulse width encoded data communications
US12355527B2 (en) 2021-01-28 2025-07-08 Nucurrent, Inc. High speed data communications system for industrial use in packaged goods
US11289952B1 (en) 2021-02-10 2022-03-29 Nucurrent, Inc. Slotted communications in virtual AC power signal transfer with variable slot width
US11637448B1 (en) 2021-10-12 2023-04-25 Nucurrent, Inc. Wireless power transmitter with removable magnetic connector panel for vehicular use
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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
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Also Published As

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CN117439283B (zh) 2025-02-25
JP2024026092A (ja) 2024-02-28
KR20220110109A (ko) 2022-08-05
US20240266886A1 (en) 2024-08-08
CN117439283A (zh) 2024-01-23
US20220247232A1 (en) 2022-08-04
US20230327495A1 (en) 2023-10-12
US12456886B2 (en) 2025-10-28
DE102022101902A1 (de) 2022-08-04
US12374935B2 (en) 2025-07-29
US20240250561A1 (en) 2024-07-25
JP7554784B2 (ja) 2024-09-20
CN114825662A (zh) 2022-07-29
US11735962B2 (en) 2023-08-22
JP2022117484A (ja) 2022-08-10
US11984737B2 (en) 2024-05-14

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