ES3072401T3 - Foreign object detection in a wireless power transfer system - Google Patents

Foreign object detection in a wireless power transfer system

Info

Publication number
ES3072401T3
ES3072401T3 ES20761604T ES20761604T ES3072401T3 ES 3072401 T3 ES3072401 T3 ES 3072401T3 ES 20761604 T ES20761604 T ES 20761604T ES 20761604 T ES20761604 T ES 20761604T ES 3072401 T3 ES3072401 T3 ES 3072401T3
Authority
ES
Spain
Prior art keywords
communication
energy
foreign object
signal
power
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.)
Active
Application number
ES20761604T
Other languages
English (en)
Spanish (es)
Inventor
Johannes Draak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Application granted granted Critical
Publication of ES3072401T3 publication Critical patent/ES3072401T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02J50/60—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
    • H02J50/10—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
    • 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
    • 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
    • H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
ES20761604T 2019-09-09 2020-09-01 Foreign object detection in a wireless power transfer system Active ES3072401T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19196189.5A EP3790158A1 (en) 2019-09-09 2019-09-09 Foreign object detection in a wireless power transfer system
PCT/EP2020/074260 WO2021047939A1 (en) 2019-09-09 2020-09-01 Foreign object detection in a wireless power transfer system

Publications (1)

Publication Number Publication Date
ES3072401T3 true ES3072401T3 (en) 2026-07-01

Family

ID=67902388

Family Applications (1)

Application Number Title Priority Date Filing Date
ES20761604T Active ES3072401T3 (en) 2019-09-09 2020-09-01 Foreign object detection in a wireless power transfer system

Country Status (7)

Country Link
US (2) US11979034B2 (enExample)
EP (2) EP3790158A1 (enExample)
JP (1) JP7672396B2 (enExample)
CN (1) CN114402499A (enExample)
ES (1) ES3072401T3 (enExample)
TW (1) TWI893006B (enExample)
WO (1) WO2021047939A1 (enExample)

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US11398752B2 (en) * 2020-06-04 2022-07-26 Aira, Inc. Zero-crossing slotted foreign object detection
US20220131416A1 (en) * 2020-10-22 2022-04-28 Powermat Technologies Ltd. Wireless illumination
EP4084281A1 (en) * 2021-04-28 2022-11-02 Koninklijke Philips N.V. Wireless power transfer
US20240090160A1 (en) * 2022-09-12 2024-03-14 Brendan Hyland Underwater data centers with lct links
KR20230055796A (ko) * 2021-10-19 2023-04-26 삼성전자주식회사 무선으로 전력을 전송하는 전자 장치와 이의 동작 방법
DE102021212550A1 (de) * 2021-11-08 2023-05-11 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betreiben einer Vorrichtung zum drahtlosen Übertragen von Energie in Richtung eines elektrischen Verbrauchers mittels induktiver Kopplung und Vorrichtung
EP4258516A1 (en) * 2022-04-07 2023-10-11 Panthronics AG Wireless charging with reconfigurable rf waveform
US12537397B2 (en) * 2022-05-17 2026-01-27 Koninklijke Philips N.V. Wireless power transfer
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
TWI842146B (zh) * 2022-10-20 2024-05-11 立錡科技股份有限公司 無線電力傳輸裝置及其操作方法
JP2026516108A (ja) * 2023-05-08 2026-05-19 ドルビー インテレクチュアル プロパティ ライセンシング， エルエルシー 無線電力システムにおける結合係数
WO2025157952A1 (en) * 2024-01-25 2025-07-31 Lego A/S Wireless power transfer system
US20250266713A1 (en) * 2024-02-16 2025-08-21 Midea Group Co., Ltd. Cordless appliance power management

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FR2903564B1 (fr) * 2006-07-06 2011-07-01 Seb Sa Plaque de cuisson permettant la detection de la temperature d'un article culinaire
WO2012127335A1 (en) 2011-03-21 2012-09-27 Koninklijke Philips Electronics N.V. Calculating power loss for inductive power transmission
JP5976385B2 (ja) * 2012-05-07 2016-08-23 ソニー株式会社 検知装置、受電装置、送電装置及び非接触給電システム
CN105379056A (zh) * 2013-03-14 2016-03-02 联发科技（新加坡）私人有限公司 用于谐振无线功率系统的异物检测方法
CN104584448B (zh) * 2013-08-07 2018-07-17 皇家飞利浦有限公司 无线感应功率传输
US10141785B2 (en) * 2014-01-03 2018-11-27 Wilus Institute Of Standards And Technology Inc. Wireless power transmission apparatus and wireless power transmission method
JP6248785B2 (ja) * 2014-04-25 2017-12-20 トヨタ自動車株式会社 送電装置および受電装置
US9735605B2 (en) 2014-06-17 2017-08-15 Qualcomm Incorporated Methods and systems for object detection and sensing for wireless charging systems
JP6650219B2 (ja) * 2015-06-25 2020-02-19 ローム株式会社 送電装置及び非接触給電システム
JP6592095B2 (ja) 2015-08-26 2019-10-16 ローム株式会社 送電装置及び非接触給電システム
US20170207659A1 (en) * 2016-01-14 2017-07-20 Qualcomm Incorporated Method and apparatus for coexistence between communication and wireless power transfer devices
EP3411936B1 (en) * 2016-02-02 2019-12-25 Koninklijke Philips N.V. Device, power transmitter and methods for wireless power transfer
TWI606666B (zh) * 2016-04-25 2017-11-21 財團法人車輛研究測試中心 無線電力傳輸裝置及其金屬異物偵測線圈的結構
EP3393009B1 (en) 2017-04-21 2019-11-13 MediaTek Inc. Detecting foreign objects in wireless power transfer systems
JP7187135B2 (ja) * 2017-05-16 2022-12-12 ラピスセミコンダクタ株式会社 無線受電装置、無線給電装置、無線電力伝送システム、及び無線受電装置の過大磁界保護方法
EP3410568A1 (en) * 2017-05-30 2018-12-05 Koninklijke Philips N.V. Foreign object detection in a wireless power transfer system
EP3528364A1 (en) * 2018-02-20 2019-08-21 Koninklijke Philips N.V. Wireless power transfer system
EP3611820A1 (en) * 2018-08-15 2020-02-19 Koninklijke Philips N.V. Device and method for wireless power transfer

Also Published As

Publication number Publication date
US11979034B2 (en) 2024-05-07
JP7672396B2 (ja) 2025-05-07
JP2022546784A (ja) 2022-11-08
US20220344978A1 (en) 2022-10-27
US20240258837A1 (en) 2024-08-01
EP4029108A1 (en) 2022-07-20
TWI893006B (zh) 2025-08-11
WO2021047939A1 (en) 2021-03-18
EP4029108B1 (en) 2026-05-20
EP4029108C0 (en) 2026-05-20
TW202121796A (zh) 2021-06-01
EP3790158A1 (en) 2021-03-10
CN114402499A (zh) 2022-04-26