KR20140098260A - 무선 전력 자기 공진기에서의 고효율 및 고전력 전송 - Google Patents
무선 전력 자기 공진기에서의 고효율 및 고전력 전송 Download PDFInfo
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- KR20140098260A KR20140098260A KR1020147020446A KR20147020446A KR20140098260A KR 20140098260 A KR20140098260 A KR 20140098260A KR 1020147020446 A KR1020147020446 A KR 1020147020446A KR 20147020446 A KR20147020446 A KR 20147020446A KR 20140098260 A KR20140098260 A KR 20140098260A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
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- 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
- H02J50/05—Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive coupling
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- 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
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- 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
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- 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
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- 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
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- 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
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
- Details Of Aerials (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Waveguide Connection Structure (AREA)
Abstract
Description
도 1 은 자기파 기반 무선 전력 전송 시스템의 블록도를 도시한다.
도 2 는 증폭기 커플링 루프 및 안테나를 포함하는 송신기 블록도를 도시한다.
도 3 은 튜닝 엘리먼트에서 커플링 루프, 수신기 및 트렌드를 포함하는 수신기 블록도를 도시한다.
도 4 는 거리에 대한 수신된 전력을 도시한다.
도 5 는 거리에 대한 최대 전송가능 전력을 도시한다.
도 6 은 거리에 대한 전송 효율을 도시한다.
도 7 은 안테나 직경에 대해 정규화된 효율을 도시한다.
도 8 은 안테나 측정 셋업을 도시한다.
Claims (21)
- 로드에 전력을 공급하기 위해, 자기장을 통해, 전력을 수신 안테나로 전송하도록 구성된 송신 안테나; 및
튜닝 루프로서, 상기 송신 안테나로부터 전기적으로 분리되고 (isolated), 상기 송신 안테나와 상기 튜닝 루프 사이의 커플링 (coupling) 을 조정하도록 상기 송신 안테나에 대해 이동 가능한, 상기 튜닝 루프를 포함하는, 무선 전력 송신 시스템. - 제 1 항에 있어서,
상기 튜닝 루프는 상기 수신 안테나에 대해 이동 가능한, 무선 전력 송신 시스템. - 제 1 항에 있어서,
상기 튜닝 루프는 상기 송신 안테나에 대한 상기 튜닝 루프의 움직임에 기초하여 상기 커플링을 조정하도록 구성된, 무선 전력 송신 시스템. - 제 1 항에 있어서,
상기 송신 안테나는 상기 수신 안테나에 대해 이동 가능한, 무선 전력 송신 시스템. - 제 4 항에 있어서, 상기 송신 안테나는 상기 수신 안테나에 대한 상기 송신 안테나의 움직임에 기초하여 상기 커플링을 조정하도록 더 구성된, 무선 전력 송신 시스템.
- 제 1 항에 있어서,
상기 튜닝 루프는 상기 수신 안테나의 공진 주파수와 상기 송신 안테나의 공진 주파수를 실질적으로 매칭시키도록 구성된, 무선 전력 송신 시스템. - 제 6 항에 있어서,
상기 수신 안테나의 공진 주파수는 상기 송신 안테나의 공진 주파수 보다 낮고, 상기 튜닝 루프는 상기 송신 안테나의 공진 주파수와 실질적으로 동일하도록 상기 수신 안테나의 공진 주파수를 증가시키도록 더 구성된, 무선 전력 송신 시스템. - 제 1 항에 있어서,
상기 튜닝 루프의 사이즈는 상기 송신 안테나의 사이즈 보다 작은, 무선 전력 송신 시스템. - 전력을 송신하는 방법으로서,
로드에 전력을 공급하기 위해, 자기장을 통해, 송신 안테나로부터 수신 안테나에 전력을 전송하는 단계로서, 상기 송신 안테나는 튜닝 루프로부터 전기적으로 분리된 (isolated), 상기 수신 안테나에 전력을 전송하는 단계; 및
상기 송신 안테나와 상기 튜닝 루프 사이의 커플링 (coupling) 을 조정하도록 상기 송신 안테나에 대해 상기 튜닝 루프를 이동시키는 단계를 포함하는, 전력을 송신하는 방법. - 제 9 항에 있어서,
상기 커플링을 더 조정하도록 상기 수신 안테나에 대해 상기 송신 안테나를 이동시키는 단계를 더 포함하는, 전력을 송신하는 방법. - 제 9 항에 있어서,
상기 수신 안테나에 대해 상기 튜닝 루프를 이동시키는 단계를 더 포함하는, 전력을 송신하는 방법. - 제 9 항에 있어서,
상기 이동은 상시 수신 안테나의 공진 주파수와 상기 송신 안테나의 공진 주파수를 실질적으로 매칭시키도록 구성되는, 전력을 송신하는 방법. - 제 12 항에 있어서,
상기 수신 안테나의 공진 주파수는 상기 송신 안테나의 공진 주파수보다 낮고, 상기 이동은 상기 송신 안테나의 공진 주파수와 실질적으로 동일하도록 상기 수신 안테나의 공진 주파수를 증가시키는 단계를 더 포함하는, 전력을 송신하는 방법. - 로드에 전력을 공급하기 위해, 자기장을 통해, 송신 안테나로부터 전력을 수신하도록 구성된 수신 안테나; 및
튜닝 루프로서, 상기 수신 안테나로부터 전기적으로 분리되고 (isolated), 상기 수신 안테나와 상기 튜닝 루프 사이의 커플링 (coupling) 을 조정하도록 상기 수신 안테나에 대해 이동가능한, 상기 튜닝 루프를 포함하는, 무선 전력 수신기. - 제 14 항에 있어서,
상기 튜닝 루프는 상기 로드로부터 전기적으로 분리된 (isolated), 무선 전력 수신기. - 제 14 항에 있어서,
상기 튜닝 루프는 상기 수신 안테나와 상기 튜닝 루프 사이의 커플링 팩터 (coupling factor) 에 기초하여 상기 커플링을 조정하도록 더 구성된, 무선 전력 수신기. - 제 14 항에 있어서,
상기 수신 안테나로부터 송신된 전력을 유도적으로 수신하고, 상기 수신된 전력을 상기 로드에 공급하도록 구성된 커플링 루프를 더 포함하는, 무선 전력 수신기. - 제 17 항에 있어서,
상기 커플링 루프의 사이즈는 상기 수신 안테나의 사이즈보다 작은, 무선 전력 수신기. - 제 17 항에 있어서, 상기 커플링 루프의 사이즈는 상기 튜닝 루프의 사이즈와 실질적으로 유사한, 무선 전력 수신기.
- 제 14 항에 있어서,
상기 튜닝 루프는 상기 수신 안테나의 둘레와 적어도 부분적으로 오버랩 (overlap) 되는, 무선 전력 수신기. - 전력 소스에 접속되며, 제 1 주파수에서 신호를 발생시키도록 구성된 신호 발생기;
상기 신호 발생기에 의해 발생된 신호에 기초하여, 상기 제 1 주파수에서 전자기장을 통해 로드에 전력을 공급하기 위해 전력을 수신 안테나로 전송하도록 구성된 송신 안테나; 및
상기 로드로부터 전기적으로 분리된 (isolated) 튜닝 루프로서, 상기 튜닝 루프는 상기 수신 안테나의 공진 주파수와 상기 송신 안테나의 공진 주파수가 실질적으로 매칭하도록 상기 수신 안테나에 대해 이동 가능하여 상기 송신 안테나와 상기 수신 안테나 사이의 전력 전달을 향상시키도록 구성된, 상기 튜닝 루프를 포함하는, 무선 전력 송신 시스템.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US97316607P | 2007-09-17 | 2007-09-17 | |
| US60/973,166 | 2007-09-17 | ||
| PCT/US2008/076559 WO2009039115A2 (en) | 2007-09-17 | 2008-09-16 | High efficiency and power transfer in wireless power magnetic resonators |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020137016006A Division KR101473600B1 (ko) | 2007-09-17 | 2008-09-16 | 무선 전력 자기 공진기에서의 고효율 및 고전력 전송 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20140098260A true KR20140098260A (ko) | 2014-08-07 |
| KR101540193B1 KR101540193B1 (ko) | 2015-07-28 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147020446A Expired - Fee Related KR101540193B1 (ko) | 2007-09-17 | 2008-09-16 | 무선 전력 자기 공진기에서의 고효율 및 고전력 전송 |
| KR1020137016006A Expired - Fee Related KR101473600B1 (ko) | 2007-09-17 | 2008-09-16 | 무선 전력 자기 공진기에서의 고효율 및 고전력 전송 |
| KR1020107008361A Ceased KR20100052565A (ko) | 2007-09-17 | 2008-09-16 | 무선 전력 자기 공진기에서의 고효율 및 고전력 전송 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020137016006A Expired - Fee Related KR101473600B1 (ko) | 2007-09-17 | 2008-09-16 | 무선 전력 자기 공진기에서의 고효율 및 고전력 전송 |
| KR1020107008361A Ceased KR20100052565A (ko) | 2007-09-17 | 2008-09-16 | 무선 전력 자기 공진기에서의 고효율 및 고전력 전송 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8766482B2 (ko) |
| EP (1) | EP2195905A4 (ko) |
| JP (3) | JP2010539885A (ko) |
| KR (3) | KR101540193B1 (ko) |
| CN (2) | CN104283332B (ko) |
| WO (1) | WO2009039115A2 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160047186A (ko) | 2014-10-22 | 2016-05-02 | 서울과학기술대학교 산학협력단 | 밀폐된 블럭공간에 적용되는 재배열 간접급전용 무선전력전송장치 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160047186A (ko) | 2014-10-22 | 2016-05-02 | 서울과학기술대학교 산학협력단 | 밀폐된 블럭공간에 적용되는 재배열 간접급전용 무선전력전송장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6189373B2 (ja) | 2017-08-30 |
| US9793765B2 (en) | 2017-10-17 |
| CN104283332A (zh) | 2015-01-14 |
| CN104283332B (zh) | 2018-08-07 |
| WO2009039115A3 (en) | 2009-06-04 |
| KR101473600B1 (ko) | 2014-12-16 |
| JP2010539885A (ja) | 2010-12-16 |
| EP2195905A4 (en) | 2017-03-22 |
| US20140300203A1 (en) | 2014-10-09 |
| JP2013233073A (ja) | 2013-11-14 |
| KR20130087580A (ko) | 2013-08-06 |
| US8766482B2 (en) | 2014-07-01 |
| KR20100052565A (ko) | 2010-05-19 |
| JP5955806B2 (ja) | 2016-07-20 |
| EP2195905A2 (en) | 2010-06-16 |
| CN101849342B (zh) | 2014-10-29 |
| CN101849342A (zh) | 2010-09-29 |
| KR101540193B1 (ko) | 2015-07-28 |
| WO2009039115A2 (en) | 2009-03-26 |
| JP2016007130A (ja) | 2016-01-14 |
| US20090072629A1 (en) | 2009-03-19 |
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