JP7672396B2 - 無線電力伝送システムにおける異物検知 - Google Patents

無線電力伝送システムにおける異物検知 Download PDF

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Publication number
JP7672396B2
JP7672396B2 JP2022515591A JP2022515591A JP7672396B2 JP 7672396 B2 JP7672396 B2 JP 7672396B2 JP 2022515591 A JP2022515591 A JP 2022515591A JP 2022515591 A JP2022515591 A JP 2022515591A JP 7672396 B2 JP7672396 B2 JP 7672396B2
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Prior art keywords
power
communication
signal
foreign object
object detection
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Japanese (ja)
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JP2022546784A5 (enExample
JP2022546784A (ja
Inventor
ヨハネス ウィルヘルムス ドラーク
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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—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
    • 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

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  • 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)
JP2022515591A 2019-09-09 2020-09-01 無線電力伝送システムにおける異物検知 Active JP7672396B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19196189.5 2019-09-09
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 (3)

Publication Number Publication Date
JP2022546784A JP2022546784A (ja) 2022-11-08
JP2022546784A5 JP2022546784A5 (enExample) 2023-11-09
JP7672396B2 true JP7672396B2 (ja) 2025-05-07

Family

ID=67902388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022515591A Active JP7672396B2 (ja) 2019-09-09 2020-09-01 無線電力伝送システムにおける異物検知

Country Status (6)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP4362280A4 (en) * 2021-10-19 2024-11-13 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE FOR WIRELESS TRANSMISSION OF POWER AND METHOD FOR OPERATING THE SAME
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
EP4526979A1 (en) * 2022-05-17 2025-03-26 Koninklijke Philips N.V. Wireless power transfer
JP2025534609A (ja) * 2022-10-12 2025-10-17 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通信プロトコル
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
EP4710408A1 (en) * 2023-05-08 2026-03-18 Dolby Intellectual Property Licensing, LLC Coupling coefficient in a wireless power system
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009543274A (ja) 2006-07-06 2009-12-03 エスイービー エスエー 調理器具の温度検出を可能にするホブ
JP2013236422A (ja) 2012-05-07 2013-11-21 Sony Corp 検知装置、受電装置、送電装置及び非接触給電システム
JP2015211536A (ja) 2014-04-25 2015-11-24 トヨタ自動車株式会社 送電装置および受電装置
US20160336804A1 (en) 2014-01-03 2016-11-17 Wilus Institute Of Standards And Technology Inc. Wireless power transmission apparatus and wireless power transmission method

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2013010657A (es) 2011-03-21 2013-10-07 Koninkl Philips Nv Calculo de perdida de energia para transmision de energia inductiva.
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
MX346430B (es) 2013-08-07 2017-03-21 Koninklijke Philips Nv Transferencia inalambrica de energia inductiva.
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
EP3331129B1 (en) 2015-08-26 2020-04-08 Rohm Co., Ltd. Power transmission apparatus and non-contact power supply system
US20170207659A1 (en) * 2016-01-14 2017-07-20 Qualcomm Incorporated Method and apparatus for coexistence between communication and wireless power transfer devices
JP6731058B2 (ja) * 2016-02-02 2020-07-29 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ワイヤレス電力伝送のためのデバイス、電力送信機、及び方法
TWI606666B (zh) * 2016-04-25 2017-11-21 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009543274A (ja) 2006-07-06 2009-12-03 エスイービー エスエー 調理器具の温度検出を可能にするホブ
JP2013236422A (ja) 2012-05-07 2013-11-21 Sony Corp 検知装置、受電装置、送電装置及び非接触給電システム
US20160336804A1 (en) 2014-01-03 2016-11-17 Wilus Institute Of Standards And Technology Inc. Wireless power transmission apparatus and wireless power transmission method
JP2015211536A (ja) 2014-04-25 2015-11-24 トヨタ自動車株式会社 送電装置および受電装置

Also Published As

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

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