CN114402499A - 在无线功率传输系统中的异物检测 - Google Patents
在无线功率传输系统中的异物检测 Download PDFInfo
- Publication number
- CN114402499A CN114402499A CN202080063017.5A CN202080063017A CN114402499A CN 114402499 A CN114402499 A CN 114402499A CN 202080063017 A CN202080063017 A CN 202080063017A CN 114402499 A CN114402499 A CN 114402499A
- Authority
- CN
- China
- Prior art keywords
- power
- communication
- signal
- foreign object
- object detection
- 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
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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
- H02J50/10—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
- 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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| CN114402499A true CN114402499A (zh) | 2022-04-26 |
Family
ID=67902388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080063017.5A Pending CN114402499A (zh) | 2019-09-09 | 2020-09-01 | 在无线功率传输系统中的异物检测 |
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)
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108604829A (zh) * | 2016-02-02 | 2018-09-28 | 皇家飞利浦有限公司 | 针对无线功率传输的设备、功率发射器和方法 |
| EP3528364A1 (en) * | 2018-02-20 | 2019-08-21 | Koninklijke Philips N.V. | Wireless power transfer system |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2903564B1 (fr) * | 2006-07-06 | 2011-07-01 | Seb Sa | Plaque de cuisson permettant la detection de la temperature d'un article culinaire |
| MX2013010657A (es) | 2011-03-21 | 2013-10-07 | Koninkl Philips Nv | Calculo de perdida de energia para transmision de energia inductiva. |
| 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 |
| MX346430B (es) | 2013-08-07 | 2017-03-21 | Koninklijke Philips Nv | Transferencia inalambrica de energia inductiva. |
| 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 |
| 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 |
| 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 |
| EP3611820A1 (en) * | 2018-08-15 | 2020-02-19 | Koninklijke Philips N.V. | Device and method for wireless power transfer |
-
2019
- 2019-09-09 EP EP19196189.5A patent/EP3790158A1/en not_active Withdrawn
-
2020
- 2020-09-01 US US17/641,166 patent/US11979034B2/en active Active
- 2020-09-01 CN CN202080063017.5A patent/CN114402499A/zh active Pending
- 2020-09-01 EP EP20761604.6A patent/EP4029108A1/en active Pending
- 2020-09-01 WO PCT/EP2020/074260 patent/WO2021047939A1/en not_active Ceased
- 2020-09-01 JP JP2022515591A patent/JP7672396B2/ja active Active
- 2020-09-08 TW TW109130705A patent/TWI893006B/zh active
-
2024
- 2024-04-15 US US18/635,291 patent/US20240258837A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108604829A (zh) * | 2016-02-02 | 2018-09-28 | 皇家飞利浦有限公司 | 针对无线功率传输的设备、功率发射器和方法 |
| EP3528364A1 (en) * | 2018-02-20 | 2019-08-21 | Koninklijke Philips N.V. | Wireless power transfer system |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240258837A1 (en) | 2024-08-01 |
| TWI893006B (zh) | 2025-08-11 |
| 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 |
| JP7672396B2 (ja) | 2025-05-07 |
| JP2022546784A (ja) | 2022-11-08 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |