CN109247038B - 无线功率传输系统中的异物检测 - Google Patents

无线功率传输系统中的异物检测 Download PDF

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Publication number
CN109247038B
CN109247038B CN201780028861.2A CN201780028861A CN109247038B CN 109247038 B CN109247038 B CN 109247038B CN 201780028861 A CN201780028861 A CN 201780028861A CN 109247038 B CN109247038 B CN 109247038B
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power
spatial distribution
test signal
coil
measurement
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Chinese (zh)
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CN109247038A (zh
Inventor
A·范瓦格宁根
A·A·M·斯特林
W·G·M·艾特斯
P·C·M·弗里森
A·梅亨达尔
W·波泽
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Koninklijke Philips NV
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Koninklijke Philips NV
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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
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2611—Measuring inductance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • G01R31/42—AC power supplies
    • 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
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Near-Field Transmission Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
CN201780028861.2A 2016-05-10 2017-05-02 无线功率传输系统中的异物检测 Active CN109247038B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16168995.5 2016-05-10
EP16168995 2016-05-10
PCT/EP2017/060319 WO2017194338A1 (en) 2016-05-10 2017-05-02 Foreign object detection in a wireless power transfer system

Publications (2)

Publication Number Publication Date
CN109247038A CN109247038A (zh) 2019-01-18
CN109247038B true CN109247038B (zh) 2022-09-06

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CN201780028861.2A Active CN109247038B (zh) 2016-05-10 2017-05-02 无线功率传输系统中的异物检测

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US (1) US11424645B2 (enExample)
EP (1) EP3455919B1 (enExample)
JP (1) JP7010845B2 (enExample)
CN (1) CN109247038B (enExample)
WO (1) WO2017194338A1 (enExample)

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US11336119B2 (en) * 2019-02-25 2022-05-17 Integrated Device Technology, Inc. Q-factor determination of coil select
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JP2022020086A (ja) 2020-06-26 2022-02-01 キヤノン株式会社 送電装置、送電装置の制御方法、およびプログラム
JP7614750B2 (ja) * 2020-06-26 2025-01-16 キヤノン株式会社 送電装置、プログラムおよび無線電力伝送方法
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EP4016800A1 (en) * 2020-12-18 2022-06-22 Koninklijke Philips N.V. Wireless power transmitter and method of operation therefor
KR20250164875A (ko) 2021-02-16 2025-11-25 돌비 인텔렉추얼 프로퍼티 라이센싱, 엘엘씨 무선 전력 전달 시스템에서 이물질 검출
US12298461B2 (en) 2021-02-16 2025-05-13 Ge Intellectual Property Licensing, Llc Foreign object detection in a wireless power transfer system
US12395017B2 (en) 2021-03-30 2025-08-19 Apple Inc. Wireless power systems with shared inductive-loss scaling factors
FR3127821B1 (fr) * 2021-10-04 2023-12-29 Xplorer Détecteur de métal à architecture échantillonnée
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Also Published As

Publication number Publication date
EP3455919B1 (en) 2020-07-08
JP2019515629A (ja) 2019-06-06
US20200328616A1 (en) 2020-10-15
WO2017194338A1 (en) 2017-11-16
CN109247038A (zh) 2019-01-18
US11424645B2 (en) 2022-08-23
JP7010845B2 (ja) 2022-01-26
EP3455919A1 (en) 2019-03-20

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