KR20160111482A - 유도성 전력 전송 시스템들을 위한 결합된 코일 전력 제어 - Google Patents
유도성 전력 전송 시스템들을 위한 결합된 코일 전력 제어 Download PDFInfo
- Publication number
- KR20160111482A KR20160111482A KR1020167022791A KR20167022791A KR20160111482A KR 20160111482 A KR20160111482 A KR 20160111482A KR 1020167022791 A KR1020167022791 A KR 1020167022791A KR 20167022791 A KR20167022791 A KR 20167022791A KR 20160111482 A KR20160111482 A KR 20160111482A
- Authority
- KR
- South Korea
- Prior art keywords
- coil
- power
- receiver
- coupling
- transmitter
- 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.)
- Ceased
Links
- 230000001939 inductive effect Effects 0.000 title claims abstract description 105
- 238000012546 transfer Methods 0.000 title claims abstract description 45
- 230000008878 coupling Effects 0.000 claims abstract description 218
- 238000010168 coupling process Methods 0.000 claims abstract description 218
- 238000005859 coupling reaction Methods 0.000 claims abstract description 218
- 239000003990 capacitor Substances 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 39
- 238000009738 saturating Methods 0.000 claims description 24
- 230000001276 controlling effect Effects 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 16
- 238000004804 winding Methods 0.000 description 19
- 230000035699 permeability Effects 0.000 description 12
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- 239000004065 semiconductor Substances 0.000 description 2
- 241001125929 Trisopterus luscus Species 0.000 description 1
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- 230000033228 biological regulation Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 230000010363 phase shift Effects 0.000 description 1
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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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- 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
- H02J50/40—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
- H02J50/80—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—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
-
- H02J7/025—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/06—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- 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
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Near-Field Transmission Systems (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461930191P | 2014-01-22 | 2014-01-22 | |
| US61/930,191 | 2014-01-22 | ||
| US201461990409P | 2014-05-08 | 2014-05-08 | |
| US61/990,409 | 2014-05-08 | ||
| US201562106176P | 2015-01-21 | 2015-01-21 | |
| US62/106,176 | 2015-01-21 | ||
| PCT/NZ2015/050002 WO2015112029A1 (en) | 2014-01-22 | 2015-01-22 | Coupled-coil power control for inductive power transfer systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20160111482A true KR20160111482A (ko) | 2016-09-26 |
Family
ID=53681723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020167022791A Ceased KR20160111482A (ko) | 2014-01-22 | 2015-01-22 | 유도성 전력 전송 시스템들을 위한 결합된 코일 전력 제어 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10020687B2 (enExample) |
| EP (1) | EP3108487B1 (enExample) |
| JP (2) | JP2017511101A (enExample) |
| KR (1) | KR20160111482A (enExample) |
| CN (1) | CN106062906B (enExample) |
| WO (1) | WO2015112029A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11996704B2 (en) | 2020-11-18 | 2024-05-28 | Samsung Electronics Co., Ltd | Electronic device receiving wireless power |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10513190B2 (en) * | 2014-09-10 | 2019-12-24 | Witricity Corporation | Methods and apparatus for tuning and controlling double couple inductive power transfer systems |
| DE112015006853T5 (de) * | 2015-08-28 | 2018-05-24 | Tdk Corporation | Kontaktlose Leistungsversorgungseinrichtung und kontaktlose Leistungsübertragungseinrichtung |
| KR102554457B1 (ko) * | 2016-09-20 | 2023-07-11 | 주식회사 위츠 | 무선 전력 송신 장치 및 그의 제어 방법 |
| CN110383632B (zh) * | 2017-03-10 | 2023-09-26 | 三菱电机工程技术株式会社 | 谐振型功率发送装置及谐振型功率传输系统 |
| US10389162B2 (en) | 2017-05-19 | 2019-08-20 | Qualcomm Incorporated | Power receiving unit reflected reactance and tuning methods |
| US10734847B2 (en) * | 2017-08-23 | 2020-08-04 | Apple Inc. | Wireless power system with coupling-coefficient-based coil selection |
| EP3346579A1 (de) | 2017-11-03 | 2018-07-11 | Hilti Aktiengesellschaft | Resonanter schwingkreis zum übertragen von elektrischer energie |
| EP3346580A1 (de) | 2017-11-03 | 2018-07-11 | Hilti Aktiengesellschaft | Resonanter schwingkreis zum übertragen von elektrischer energie ohne leistungsverstärker |
| CN108023475A (zh) * | 2018-01-10 | 2018-05-11 | 赛尔康技术(深圳)有限公司 | 一种平面变压器的电磁兼容调整电路 |
| JP6927113B2 (ja) * | 2018-03-27 | 2021-08-25 | オムロン株式会社 | 非接触給電装置 |
| US10812102B2 (en) | 2018-06-29 | 2020-10-20 | Apple Inc. | Efficient data encoding |
| KR102218147B1 (ko) | 2018-09-12 | 2021-02-23 | 주식회사 아모센스 | 자기 유도 전원 공급 장치 |
| JP7205169B2 (ja) * | 2018-11-01 | 2023-01-17 | オムロン株式会社 | 非接触給電装置 |
| WO2020113007A1 (en) * | 2018-11-30 | 2020-06-04 | Witricity Corporation | Systems and methods for low power excitation in high power wireless power systems |
| EP3664253A1 (en) * | 2018-12-05 | 2020-06-10 | Koninklijke Philips N.V. | Device and method for wireless power transfer |
| CN109742863B (zh) * | 2018-12-27 | 2023-06-20 | 华为技术有限公司 | 一种无线充电系统的接收端、发射端及无线充电系统 |
| JP7088040B2 (ja) * | 2019-01-18 | 2022-06-21 | オムロン株式会社 | 非接触給電装置 |
| CN110346398B (zh) * | 2019-08-23 | 2023-05-26 | 武汉中科牛津波谱技术有限公司 | 一种磁共振探头矢量调谐检测装置和方法 |
| JP7395879B2 (ja) * | 2019-08-28 | 2023-12-12 | オムロン株式会社 | 非接触給電装置及び送電装置 |
| JP7408952B2 (ja) * | 2019-08-28 | 2024-01-09 | オムロン株式会社 | 非接触給電装置 |
| US11418060B2 (en) * | 2020-06-04 | 2022-08-16 | Aira, Inc. | Phase modulated wireless charger |
| DE102020118575B4 (de) * | 2020-07-14 | 2022-03-03 | Infineon Technologies Ag | Nahfeldkommunikationsvorrichtung, elektronische Vorrichtung zum Bereitstellen einer Substanz, Verfahren zum Betreiben einer Nahfeldkommunikationsvorrichtung und Verfahren zum Bereitstellen einer Substanz |
| US11616397B2 (en) * | 2020-08-12 | 2023-03-28 | Medtronic, Inc. | Magnetic alignment of transcutaneous energy transfer coils |
| US11735962B2 (en) * | 2021-01-29 | 2023-08-22 | Apple Inc. | Methods and circuitry for mitigating saturation in wireless power systems |
| TWI794795B (zh) * | 2021-04-26 | 2023-03-01 | 國立陽明交通大學 | 感應諧振式無線充電系統、諧振式無線充電發射裝置、無線充電中繼裝置及感應式無線充電接收裝置 |
| CN115214394B (zh) * | 2022-07-18 | 2023-04-21 | 广西电网有限责任公司电力科学研究院 | 电动汽车动态无线充电系统及横向偏移功率波动抑制方法 |
| CN116131479B (zh) * | 2023-01-30 | 2023-09-29 | 巨翼(苏州)新动力有限公司 | 一种双向谐振无线充电系统 |
| JP2024127575A (ja) * | 2023-03-09 | 2024-09-20 | オムロン株式会社 | 非接触給電装置 |
| CN118842449B (zh) * | 2024-09-20 | 2024-12-06 | 宜确半导体(苏州)有限公司 | 一种可变阻抗变换器及电子设备 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748570A (en) * | 1972-06-26 | 1973-07-24 | Amco Prod Co | Adjustable output voltage transformer |
| NZ329195A (en) | 1997-11-17 | 2000-07-28 | Auckland Uniservices Ltd | Loosely coupled inductive power transfer using resonant pickup circuit, inductor core chosen to saturate under overload conditions |
| NZ337716A (en) * | 1999-09-09 | 2002-10-25 | Auckland Uniservices Ltd | Series resonant inductive pickup where power can be regulated by time-regulated opening and closing a switch |
| AU2004241916A1 (en) * | 2003-05-23 | 2004-12-02 | Auckland Uniservices Limited | Frequency controlled resonant converter |
| US8004235B2 (en) * | 2006-09-29 | 2011-08-23 | Access Business Group International Llc | System and method for inductively charging a battery |
| FR2919072B1 (fr) | 2007-07-20 | 2009-09-11 | Schneider Electric Ind Sas | Detecteur de proximite inductif a bobinages commutes. |
| WO2013080212A2 (en) * | 2011-12-02 | 2013-06-06 | Powermat Technologies Ltd. | System and method for regulating inductive power transmission |
| JP2011035964A (ja) * | 2009-07-30 | 2011-02-17 | Olympus Imaging Corp | 充電装置及び充電システム |
| JP5519367B2 (ja) * | 2010-03-29 | 2014-06-11 | パナソニック株式会社 | 受電装置及び電力伝送システム |
| EP2580837A2 (en) * | 2010-06-10 | 2013-04-17 | Access Business Group International LLC | Coil configurations for inductive power transfer |
| US20120068548A1 (en) | 2010-09-16 | 2012-03-22 | Advantest Corporation | Wireless power supply apparatus |
| NZ589865A (en) | 2010-12-10 | 2013-06-28 | Auckland Uniservices Ltd | Inductive power transfer pick-up with separate AC and DC outputs |
| WO2012095850A1 (en) | 2011-01-10 | 2012-07-19 | Powermat Technologies Ltd. | System for transferring power inductively to items within a container |
| JP2012191796A (ja) * | 2011-03-11 | 2012-10-04 | Sanyo Electric Co Ltd | 充電システム、受電装置、無線電力伝送システム、移動体並びに電源装置 |
| JP2012205379A (ja) * | 2011-03-25 | 2012-10-22 | Sanyo Electric Co Ltd | 充電システム、電源装置、移動体、無線電力送受電システム及び受電装置 |
| US9006935B2 (en) * | 2011-03-30 | 2015-04-14 | Tdk Corporation | Wireless power feeder/receiver and wireless power transmission system |
| US8830638B2 (en) | 2011-04-21 | 2014-09-09 | Sandeep Taneja | High efficiency switching method and apparatus for dynamically connecting or disconnecting mutually coupled inductive coils |
| JP5847468B2 (ja) * | 2011-07-13 | 2016-01-20 | 矢崎総業株式会社 | 給電システムの設計方法 |
| CN104040863B (zh) * | 2011-11-10 | 2018-06-22 | 苹果公司 | 用于控制转换器的方法 |
| CN104054229B (zh) | 2012-01-06 | 2018-01-23 | 捷通国际有限公司 | 无线电力接收机系统 |
| TWI600248B (zh) * | 2012-05-20 | 2017-09-21 | 通路實業集團國際公司 | 無線電力供應系統 |
| CN102969803B (zh) * | 2012-11-03 | 2014-11-26 | 河海大学常州校区 | 可稳压调频的电磁耦合式电能传输装置 |
| CN102969776B (zh) * | 2012-12-03 | 2014-12-10 | 中国科学院电工研究所 | 一种电动汽车无线充电装置 |
| CN103219807B (zh) | 2013-04-23 | 2015-07-15 | 重庆交通大学 | 一种自适应无线电能传输装置 |
| CN103312016B (zh) * | 2013-05-23 | 2015-12-02 | 东南大学 | 一种蓄电池无线充电最小接入装置 |
-
2015
- 2015-01-22 US US15/113,591 patent/US10020687B2/en active Active
- 2015-01-22 CN CN201580005560.9A patent/CN106062906B/zh active Active
- 2015-01-22 JP JP2016547554A patent/JP2017511101A/ja active Pending
- 2015-01-22 WO PCT/NZ2015/050002 patent/WO2015112029A1/en not_active Ceased
- 2015-01-22 EP EP15739781.1A patent/EP3108487B1/en active Active
- 2015-01-22 KR KR1020167022791A patent/KR20160111482A/ko not_active Ceased
-
2020
- 2020-01-24 JP JP2020009688A patent/JP2020092596A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11996704B2 (en) | 2020-11-18 | 2024-05-28 | Samsung Electronics Co., Ltd | Electronic device receiving wireless power |
| US12407189B2 (en) | 2020-11-18 | 2025-09-02 | Samsung Electronics Co., Ltd. | Electronic device receiving wireless power |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106062906A (zh) | 2016-10-26 |
| EP3108487B1 (en) | 2019-02-27 |
| US10020687B2 (en) | 2018-07-10 |
| EP3108487A1 (en) | 2016-12-28 |
| JP2017511101A (ja) | 2017-04-13 |
| WO2015112029A1 (en) | 2015-07-30 |
| EP3108487A4 (en) | 2017-12-06 |
| CN106062906B (zh) | 2019-06-04 |
| US20170005525A1 (en) | 2017-01-05 |
| JP2020092596A (ja) | 2020-06-11 |
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