KR101233015B1 - 무선 전력 송신을 위한 패시브 수신기들 - Google Patents
무선 전력 송신을 위한 패시브 수신기들 Download PDFInfo
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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
- 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
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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
- H02J50/80—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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from AC input or output
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
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Abstract
Description
도 2는 무선 전력 송신 시스템의 간략화된 개략도를 도시한다.
도 3은 예시적인 실시형태들에 따른, 루프 안테나의 개략도를 도시한다.
도 4는 예시적인 실시형태에 따른, 무선 전력 송신 시스템의 기능 블록도를 도시한다.
도 5는 예시적인 실시형태에 따른, 무선 전력 수신기의 정류기 회로 변형의 회로도를 도시한다.
도 6은 예시적인 실시형태에 따른, 도 5의 수신기 변형의 안테나부의 레이아웃 실현을 도시한다.
도 7은 예시적인 실시형태에 따른, 무선 전력 수신기의 또 다른 정류기 회로 변형의 회로도를 도시한다.
도 8은 예시적인 실시형태에 따른, 도 7의 수신기 변형의 안테나부의 레이아웃 실현을 도시한다.
도 9는 예시적인 실시형태에 따른, 도 7의 수신기 변형의 안테나부의 또 다른 레이아웃 실현을 도시한다.
도 10은 예시적인 실시형태에 따른, 도 7의 수신기 변형의 안테나부의 또 다른 레이아웃 실현을 도시한다.
도 11은 예시적인 실시형태에 따른, 무선 전력 수신기의 또 다른 정류기 회로 변형의 회로도를 도시한다.
도 12는 예시적인 실시형태에 따른, 도 11의 수신기 변형의 안테나부의 레이아웃 실현을 도시한다.
도 13은 예시적인 실시형태에 따른, 도 11의 수신기 변형의 안테나부의 또 다른 레이아웃 실현을 도시한다.
도 14는 예시적인 실시형태에 따른, 미니-디바이스들로의 통합을 위해 일-대-일 임피던스 변환을 갖는 정류기 회로를 사용하는 수신기의 안테나부의 레이아웃 실현을 도시한다.
도 15a는 예시적인 실시형태에 따른, 정류기 회로의 단자들에서 고조파를 블록킹하도록 구성된 정류기 회로의 일 구현의 레이아웃을 도시한다.
도 15b는 예시적인 실시형태에 따른, 고조파의 억제를 제공하도록 차폐를 이용하여 구성된 패키징 정류기 회로의 개관도를 도시한다.
도 16은 예시적인 실시형태에 따른, 무선 전력을 수신하기 위한 방법의 흐름도를 도시한다.
Claims (37)
- 전자기장 (eletro-magnetic field) 에 응답하여 공진하고 상기 전자기장으로부터 전력을 수신하도록 구성된 공진기를 포함하는 안테나로서, 상기 공진기는 부하에 커플링되는 출력을 갖고, 상기 부하는 상기 안테나로부터 상기 부하로의 무선 송전 (wireless power transmission) 의 제 1 효율 레벨에 대응하는 제 1 값의 임피던스를 갖는, 상기 안테나; 및
상기 공진기에 커플링되는 정류기 회로로서, 상기 정류기 회로는 상기 안테나로부터 상기 부하로의 무선 송전의 상기 제 1 효율 레벨보다 큰 제 2 효율 레벨에 대응하는 제 2 값으로 상기 부하의 임피던스를 변경하도록 구성되는, 상기 정류기 회로를 포함하는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 정류기 회로는 듀얼-다이오드 전파 (full wave) 정류기 회로로서 구성되는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 정류기 회로는, 상기 공진기의 출력에서 관측할 때 상기 부하의 상기 임피던스를 4-대-1 만큼 스텝-업시킴으로써 상기 부하의 상기 임피던스를 변경하도록 구성되는, 무선 송전 수신기. - 제 2 항에 있어서,
상기 공진기는 유도성 루프를 포함하며, 상기 유도성 루프는 상기 유도성 루프의 루프 단자들 중 하나의 단자에서 DC 접지되는, 무선 송전 수신기. - 제 2 항에 있어서,
상기 공진기는 유도성 루프를 포함하며, 상기 유도성 루프는 고주파수 초크 (choke) 를 사용하여 DC 접지되는, 무선 송전 수신기. - 삭제
- 제 2 항에 있어서,
상기 공진기는 유도성 루프이며, 상기 유도성 루프는 DC 접지되는, 무선 송전 수신기. - 제 2 항에 있어서,
상기 정류기 회로는 고주파수 초크를 포함하고, 상기 공진기는 유도성 루프를 포함하며, 상기 고주파수 초크는 상기 유도성 루프를 DC 접지시키기 위해 상기 유도성 루프에 커플링되는, 무선 송전 수신기. - 제 2 항에 있어서,
상기 정류기 회로는 적어도 하나의 다이오드를 포함하고, 상기 공진기는 유도성 루프를 포함하며, 상기 적어도 하나의 다이오드는 상기 유도성 루프를 DC 접지시키기 위해 상기 유도성 루프에 커플링되는, 무선 송전 수신기. - 제 2 항에 있어서,
상기 정류기 회로는 제 1 다이오드 및 제 2 다이오드를 포함하고, 상기 공진기는 유도성 루프를 포함하고, 상기 제 1 다이오드 및 상기 제 2 다이오드는 DC 접지하도록 상기 유도성 루프에 커플링되며, 상기 정류기 회로는, 각각, 상기 제 1 다이오드 및 상기 제 2 다이오드와 직렬로 커플링된 제 1 고주파수 초크 및 제 2 고주파수 초크를 더 포함하는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 정류기 회로는, 대칭 포인트에서 DC 접지된 유도성 루프를 갖는 대칭적인 쿼드-다이오드 전파 정류기 회로로서 구성되는, 무선 송전 수신기. - 제 11 항에 있어서,
상기 정류기 회로는, 상기 공진기의 출력에서 관측할 때 상기 부하의 상기 임피던스를 16-대-1 만큼 스텝-업시킴으로써 상기 부하의 상기 임피던스를 변경하도록 구성되는, 무선 송전 수신기. - 제 11 항에 있어서,
상기 공진기는 유도성 루프를 포함하며, 상기 유도성 루프는 고주파수 초크를 사용하여 DC 접지되는, 무선 송전 수신기. - 제 11 항에 있어서,
상기 정류기 회로는 고주파수 초크를 포함하고, 상기 공진기는 루프 인덕터를 포함하며, 상기 고주파수 초크는 상기 루프 인덕터를 DC 접지시키기 위해 상기 루프 인덕터에 커플링되는, 무선 송전 수신기. - 제 11 항에 있어서,
상기 공진기는 더블-턴 유도성 루프를 포함하며, 상기 더블-턴 유도성 루프는 그 대칭 포인트에서 DC 접지되는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 정류기 회로는, 상기 공진기의 출력에서 관측할 때 상기 부하의 상기 임피던스를 1-대-1 만큼 변경하도록 구성되는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 공진기는 커패시터를 포함하며, 상기 정류기 회로는 상기 커패시터에 병렬로 커플링된 적어도 제 1 다이오드 및 제 2 다이오드를 포함하는, 무선 송전 수신기. - 전자 디바이스로서,
무선 송전 수신기를 포함하며,
상기 무선 송전 수신기는,
전자기장 (eletro-magnetic field) 에 응답하여 공진하고 상기 전자기장으로부터 전력을 수신하도록 구성된 공진기를 포함하는 안테나로서, 상기 공진기는 부하에 커플링되는 출력을 갖고, 상기 부하는 상기 안테나로부터 상기 부하로의 무선 송전 (wireless power transmission) 의 제 1 효율 레벨에 대응하는 제 1 값의 임피던스를 갖는, 상기 안테나; 및
상기 공진기에 커플링되는 정류기 회로로서, 상기 정류기 회로는 상기 안테나로부터 상기 부하로의 무선 송전의 상기 제 1 효율 레벨보다 큰 제 2 효율 레벨에 대응하는 제 2 값으로 상기 부하의 임피던스를 변경하도록 구성되는, 상기 정류기 회로를 포함하는, 전자 디바이스. - 안테나로부터 부하로의 무선 송전 (wireless power transmission) 의 제 1 효율 레벨에 대응하는 제 1 값으로부터, 상기 안테나로부터 상기 부하로의 무선 송전의 상기 제 1 효율 레벨보다 큰 제 2 효율 레벨에 대응하는 제 2 값으로, 무선 전력 수신기 공진기의 출력에 커플링되는 상기 부하의 임피던스를 변경하는 단계;
전자기장 (eletro-magnetic field) 에 응답하여 상기 수신기 공진기를 공진시키는 단계; 및
상기 공진하는 수신기 공진기로부터 추출된 전력을 정류하는 단계를 포함하는, 무선 전력 수신 방법. - 제 19 항에 있어서,
상기 부하의 임피던스를 변경하는 단계 및 상기 전력을 정류하는 단계는 동일한 정류기 회로에 의해 수행되는, 무선 전력 수신 방법. - 제 19 항에 있어서,
상기 전력을 정류하는 단계는, 듀얼-다이오드 전파 정류기 회로로서 구성된 정류기 회로로 전류를 수신하는 단계를 포함하는, 무선 전력 수신 방법. - 제 19 항에 있어서,
상기 전력을 정류하는 단계는, 대칭적인 쿼드-다이오드 전파 정류기 회로로서 구성된 정류기 회로로 전류를 수신하는 단계를 포함하는, 무선 전력 수신 방법. - 전자기장 (eletro-magnetic field) 에 응답하여 공진시키는 수단으로서, 상기 공진시키는 수단은 부하에 커플링되는 출력을 갖고, 상기 부하는 상기 공진시키는 수단으로부터 상기 부하로의 무선 송전 (wireless power transmission) 의 제 1 효율 레벨에 대응하는 제 1 값의 임피던스를 갖는, 상기 공진시키는 수단;
상기 전자기장에 응답하여 상기 공진시키는 수단의 상기 출력에서 관측할 때, 상기 공진시키는 수단으로부터 상기 부하로의 무선 송전의 상기 제 1 효율 레벨보다 큰 제 2 효율 레벨에 대응하는 제 2 값으로 상기 부하의 임피던스를 변경하는 수단; 및
상기 공진시키는 수단으로부터 추출된 전력을 정류하는 수단을 포함하는, 무선 송전 수신기. - 제 23 항에 있어서,
상기 공진시키는 수단은 무선 전력 수신기 공진기를 포함하고, 상기 부하의 임피던스를 변경하는 수단 및 상기 전력을 정류하는 수단은 정류기 회로를 포함하는, 무선 송전 수신기. - 제 24 항에 있어서,
상기 공진시키는 수단은 송신기의 전자기 근접장 (electromagnetic near-field) 영역으로부터 전력을 수신하도록 구성되는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 안테나는 송신기의 전자기 근접장 (electromagnetic near-field) 영역으로부터 전력을 수신하도록 구성되는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 정류기 회로는 복수의 입력들을 포함하고, 상기 무선 송전 수신기는 상기 복수의 입력들의 각각을 위한 복수의 필터들을 더 포함하는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 정류기 회로는 상기 정류기 회로에 의해 생성된 고조파 (harmonic) 신호들을 억제시키도록 구성되는 차폐 (shield) 를 포함하는, 무선 송전 수신기. - 제 28 항에 있어서,
상기 차폐는, 고주파 차폐 (HF shield), 극초단파 페라이트 비드 (UHF ferrite bead), 및 피드 스루 커패시터 (feed through capacitor) 중 적어도 하나를 포함하는, 무선 송전 수신기. - 제 1 항에 있어서,
상기 정류기 회로는 제 1 커패시터 및 상기 제 1 커패시터에 병렬로 접속되는 제 2 커패시터를 포함하고, 상기 정류기 회로는 상기 제 1 커패시터 및 제 2 커패시터에 직렬로 접속되는 제 1 다이오드 및 제 2 다이오드를 더 포함하는, 무선 송전 수신기. - 제 18 항에 있어서,
상기 안테나는 송신기의 전자기 근접장 (electromagnetic near-field) 영역으로부터 전력을 수신하도록 구성되는, 전자 디바이스. - 제 18 항에 있어서,
상기 정류기 회로는 복수의 입력들을 포함하고, 상기 무선 송전 수신기는 상기 복수의 입력들의 각각을 위한 필터들을 더 포함하는, 전자 디바이스. - 제 18 항에 있어서,
상기 정류기 회로는 상기 정류기 회로에 의해 생성된 고조파 (harmonic) 신호들을 억제시키도록 구성되는 차폐 (shield) 를 포함하는, 전자 디바이스. - 제 33 항에 있어서,
상기 차폐는, 고주파 차폐 (HF shield), 극초단파 페라이트 비드 (UHF ferrite bead), 및 피드 스루 커패시터 (feed through capacitor) 중 적어도 하나를 포함하는, 전자 디바이스. - 제 18 항에 있어서,
상기 정류기 회로는 제 1 커패시터 및 상기 제 1 커패시터에 병렬로 접속되는 제 2 커패시터를 포함하고, 상기 정류기 회로는 상기 제 1 커패시터 및 제 2 커패시터에 직렬로 접속되는 제 1 다이오드 및 제 2 다이오드를 더 포함하는, 전자 디바이스. - 제 19 항에 있어서,
상기 공진시키는 단계는 송신기의 전자기 근접장 (electromagnetic near-field) 영역에서 공진시키는 단계를 포함하는, 무선 전력 수신 방법. - 제 19 항에 있어서,
상기 공진하는 수신기 공진기로부터 추출된 상기 전력을 정류하는 단계에 의해서 생성된 고조파 (harmonic) 신호들을 억제시키는 단계를 더 포함하는, 무선 전력 수신 방법.
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EP2332096B1 (en) | 2014-04-23 |
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US8432070B2 (en) | 2013-04-30 |
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EP2662807A1 (en) | 2013-11-13 |
KR20120125659A (ko) | 2012-11-16 |
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CN102132292B (zh) | 2015-01-21 |
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KR20110050697A (ko) | 2011-05-16 |
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