JP6328251B2 - ワイヤレス電力デバイスの低電力検出 - Google Patents
ワイヤレス電力デバイスの低電力検出 Download PDFInfo
- Publication number
- JP6328251B2 JP6328251B2 JP2016544333A JP2016544333A JP6328251B2 JP 6328251 B2 JP6328251 B2 JP 6328251B2 JP 2016544333 A JP2016544333 A JP 2016544333A JP 2016544333 A JP2016544333 A JP 2016544333A JP 6328251 B2 JP6328251 B2 JP 6328251B2
- Authority
- JP
- Japan
- Prior art keywords
- transmitter
- power
- detection circuit
- change
- frequency
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
- H02J50/23—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
-
- 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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
- H02J50/27—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of receiving antennas, e.g. rectennas
-
- 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
-
- 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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- 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
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361881322P | 2013-09-23 | 2013-09-23 | |
| US61/881,322 | 2013-09-23 | ||
| US14/273,234 | 2014-05-08 | ||
| US14/273,234 US9419470B2 (en) | 2013-09-23 | 2014-05-08 | Low power detection of wireless power devices |
| PCT/US2014/051902 WO2015041790A1 (en) | 2013-09-23 | 2014-08-20 | Low power detection of wireless power devices |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016536970A JP2016536970A (ja) | 2016-11-24 |
| JP2016536970A5 JP2016536970A5 (enExample) | 2017-01-05 |
| JP6328251B2 true JP6328251B2 (ja) | 2018-05-23 |
Family
ID=51485827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016544333A Expired - Fee Related JP6328251B2 (ja) | 2013-09-23 | 2014-08-20 | ワイヤレス電力デバイスの低電力検出 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9419470B2 (enExample) |
| EP (1) | EP3047557B1 (enExample) |
| JP (1) | JP6328251B2 (enExample) |
| CN (1) | CN105556795B (enExample) |
| WO (1) | WO2015041790A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102044758B1 (ko) | 2012-09-05 | 2019-11-15 | 르네사스 일렉트로닉스 가부시키가이샤 | 비접촉 충전 장치 및 그것을 이용하는 비접촉 급전 시스템 |
| KR20160022823A (ko) * | 2013-06-19 | 2016-03-02 | 르네사스 일렉트로닉스 가부시키가이샤 | 송전 장치, 비접촉 급전 시스템 및 제어 방법 |
| US9815379B2 (en) * | 2014-01-21 | 2017-11-14 | Qualcomm Incorporated | Systems and methods for electric vehicle induction coil alignment |
| US9608481B2 (en) * | 2014-06-09 | 2017-03-28 | Nxp B.V. | Inductive power supply |
| JP6440080B2 (ja) * | 2015-03-12 | 2018-12-19 | パナソニックIpマネジメント株式会社 | 非接触給電装置、プログラム、非接触給電装置の制御方法、および非接触電力伝送システム |
| US10411512B2 (en) | 2015-04-10 | 2019-09-10 | Qualcomm Incorporated | Methods and apparatus for implementing presence and usage pattern detection in wireless charging applications |
| JP6609986B2 (ja) * | 2015-05-13 | 2019-11-27 | セイコーエプソン株式会社 | 制御装置、電子機器及び無接点電力伝送システム |
| KR101637411B1 (ko) * | 2015-07-31 | 2016-07-08 | (주)파워리퍼블릭얼라이언스 | 금속 환경 자기공진 무선전력전송 시스템용 송신기 |
| KR102457368B1 (ko) * | 2015-09-11 | 2022-10-21 | 삼성전자 주식회사 | 전자 장치의 무선 전력 송출 방법 및 이를 사용하는 전자 장치 |
| US10284015B2 (en) * | 2015-10-01 | 2019-05-07 | Integrated Device Technology, Inc. | Wireless power transmitter |
| CN113937901A (zh) * | 2016-08-26 | 2022-01-14 | 纽卡润特有限公司 | 无线连接器系统 |
| US20180131218A1 (en) * | 2016-11-10 | 2018-05-10 | Qualcomm Incorporated | Wirless power transfer for a wireless power receiver with a dead battery |
| CN107124234B (zh) * | 2017-06-01 | 2020-07-31 | 浙江诺尔康神经电子科技股份有限公司 | 一种无线传输线圈脱落监测电路及系统 |
| US11206060B2 (en) * | 2017-09-21 | 2021-12-21 | Enphase Energy, Inc. | Apparatus for communicating across an isolation barrier |
| US11171502B2 (en) | 2018-02-23 | 2021-11-09 | Aira, Inc. | Free positioning charging pad |
| CN109038850B (zh) * | 2018-06-25 | 2020-07-24 | 华为技术有限公司 | 一种检测无线充电系统中金属异物的装置、设备及方法 |
| US11018703B2 (en) | 2018-09-21 | 2021-05-25 | Qualcomm Incorporated | Systems and methods for antenna tuning |
| DE102019214049A1 (de) * | 2019-09-16 | 2021-03-18 | Robert Bosch Gmbh | Verfahren zu einem kabellosen Übertragen von elektrischer Energie an ein Energieempfängergerät, Energieübertragungsgerät und System aus Energieempfängergerät und Energieübertragungsgerät |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2861193B2 (ja) * | 1990-02-14 | 1999-02-24 | 三菱電機株式会社 | 給電装置 |
| JP2000134830A (ja) * | 1998-10-28 | 2000-05-12 | Mitsuoka Electric Mfg Co Ltd | 電磁誘導電源装置 |
| JP2007062161A (ja) * | 2005-08-31 | 2007-03-15 | Seiko Epson Corp | 蓄電性素子の制御装置、液体吐出装置、および、蓄電性素子の制御方法 |
| US8864205B2 (en) | 2006-06-28 | 2014-10-21 | Stryker Corporation | Patient support with wireless data and/or energy transfer |
| CN101529691A (zh) * | 2006-10-26 | 2009-09-09 | 皇家飞利浦电子股份有限公司 | 电感式功率系统和操作方法 |
| US7793121B2 (en) * | 2007-03-01 | 2010-09-07 | Eastman Kodak Company | Charging display system |
| US20090284369A1 (en) * | 2008-05-13 | 2009-11-19 | Qualcomm Incorporated | Transmit power control for a wireless charging system |
| US8923015B2 (en) | 2008-11-26 | 2014-12-30 | Auckland Uniservices Limited | Primary-side power control for inductive power transfer |
| US9136914B2 (en) * | 2009-01-22 | 2015-09-15 | Qualcomm Incorporated | Impedance change detection in wireless power transmission |
| JP5362453B2 (ja) | 2009-06-16 | 2013-12-11 | 三洋電機株式会社 | 充電台 |
| KR101161836B1 (ko) | 2009-12-10 | 2012-07-03 | 정관옥 | 무접점 전력전송장치, 무접점 충전장치, 무접점 충전 시스템 및 이를 이용한 무선 전력전송방법 |
| US20130163635A1 (en) | 2010-07-07 | 2013-06-27 | Avinash Karanth | Foreign object detection in inductive coupled wireless power transfer environment using thermal sensors |
| US9853478B2 (en) * | 2010-07-28 | 2017-12-26 | Qualcomm Incorporated | Low power detection of wireless power devices |
| US9094055B2 (en) * | 2011-04-19 | 2015-07-28 | Qualcomm Incorporated | Wireless power transmitter tuning |
| US8798537B2 (en) | 2011-06-27 | 2014-08-05 | Lg Electronics Inc. | Two-way communication in wireless power transfer |
| JP5840886B2 (ja) * | 2011-07-25 | 2016-01-06 | ソニー株式会社 | 検知装置、受電装置、送電装置、非接触電力伝送システム及び検知方法 |
| US9270342B2 (en) | 2011-12-16 | 2016-02-23 | Qualcomm Incorporated | System and method for low loss wireless power transmission |
| KR20130069099A (ko) | 2011-12-16 | 2013-06-26 | 에스케이하이닉스 주식회사 | 반도체 장치의 제조방법 |
| US9154189B2 (en) * | 2012-08-17 | 2015-10-06 | Qualcomm Incorporated | Wireless power system with capacitive proximity sensing |
| US9667322B2 (en) * | 2012-12-28 | 2017-05-30 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method and system for wireless power transfer calibration |
-
2014
- 2014-05-08 US US14/273,234 patent/US9419470B2/en active Active
- 2014-08-20 JP JP2016544333A patent/JP6328251B2/ja not_active Expired - Fee Related
- 2014-08-20 EP EP14759081.4A patent/EP3047557B1/en active Active
- 2014-08-20 CN CN201480051666.8A patent/CN105556795B/zh active Active
- 2014-08-20 WO PCT/US2014/051902 patent/WO2015041790A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015041790A1 (en) | 2015-03-26 |
| JP2016536970A (ja) | 2016-11-24 |
| EP3047557B1 (en) | 2018-03-07 |
| EP3047557A1 (en) | 2016-07-27 |
| US20150084586A1 (en) | 2015-03-26 |
| US9419470B2 (en) | 2016-08-16 |
| CN105556795B (zh) | 2018-09-25 |
| CN105556795A (zh) | 2016-05-04 |
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