KR102010943B1 - 무선 에너지 전송 시스템에서의 이물질 검출 - Google Patents
무선 에너지 전송 시스템에서의 이물질 검출 Download PDFInfo
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- KR102010943B1 KR102010943B1 KR1020187020020A KR20187020020A KR102010943B1 KR 102010943 B1 KR102010943 B1 KR 102010943B1 KR 1020187020020 A KR1020187020020 A KR 1020187020020A KR 20187020020 A KR20187020020 A KR 20187020020A KR 102010943 B1 KR102010943 B1 KR 102010943B1
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Abstract
Description
도 2 는 각각의 필드 센서로서 사용될 수도 있으며 두 개의 개개의 필드 센서들에 의한 자기적 플럭스 캡쳐에서의 차분을 감지하는 구배측정기 내로 패셔닝될 수도 있는 와이어의 두 개의 루프를 도시한다.
도 3a 는 대항하는 자기적 쌍극자를 가지도록 정렬되는 두 개의 작은 도체 루프의 2-로브 구성(이러한 구조는 자기적 사극자(magnetic quadrupole)라고 지칭될 수도 있음)을 도시한다; 도 3b 는 정렬된 자기적 사극자의 4-로브 구성을 도시한다; 도 3c 는 대항된 사극자의 4-로브 구성으로서 흔히 팔극자(octupole)라고 불리는 것을 도시한다; 그리고 도 3d 는 선형 차원에서 연장하는 4-로브 구성을 도시한다. "+" 및 "-" 부호들은 상대적 참조 프레임에서, 각각의 루프의 자기적 쌍극자의 방향을 표시한다.
도 4a 는 높은 영역-충진 인자를 획득하기 위한 정방형 형상을 가진 루프를 포함하는 FOD 검출기 어레이를 도시한다; 그리고 도 4b 는 두 개의 오프셋 어레이가 있는 일 실시예로서 블라인드 스팟을 제거하기 위하여 사용될 수도 있는 배치구성을 도시한다.
도 5 는 판독 회로에 접속된 FOD 검출기를 도시한다.
도 6 은 판독 회로부에 접속된 FOD 검출기들의 어레이를 도시한다.
도 7 은 판독 회로부 및 동기화 루프에 접속된 FOD 검출기들의 어레이를 도시한다.
도 8 은 FOD 검출기 루프들의 일 예시적인 실시예를 도시한다.
도 9a 내지 도 9c 는 8자형 구배측정기 센서로부터의 예시적인 전압 측정 곡선들을 도시한다.
도 10 은 예시적인 EV 충전기 시스템의 블록도를 도시한다.
Claims (16)
- 이물질 잔해 검출 기능을 갖는 무선 에너지 전송 시스템으로서,
에너지를 전송하기 위해 진동하는 자기장을 생성하도록 구성되는 소스 공진기를 포함하는 무선 에너지 전송 소스; 및
이물질 잔해 검출 시스템
을 포함하고, 상기 이물질 잔해 검출 시스템은:
적어도 하나의 자기장 센서; 및
상기 적어도 하나의 자기장 센서의 하나 이상의 전기적 파라미터를 측정하도록 구성된 적어도 하나의 판독 회로를 포함하며,
상기 적어도 하나의 자기장 센서는 상기 진동하는 자기장 내에 적어도 부분적으로 위치되고, 상기 진동하는 자기장에 응하여 신호를 생성하도록 구성되며,
상기 이물질 잔해 검출 시스템은, 상기 신호에 기초하여, 상기 진동하는 자기장의 생성 동안에 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하도록 구성되는, 무선 에너지 전송 시스템. - 제1항에 있어서,
상기 무선 에너지 전송 소스는 차량에 에너지를 전송하기 위해 상기 진동하는 자기장을 생성하도록 구성되는, 무선 에너지 전송 시스템. - 제2항에 있어서,
상기 이물질 잔해 검출 시스템은, 상기 소스 공진기로부터 상기 차량에 에너지가 전송되기 전에 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하도록 구성되는, 무선 에너지 전송 시스템. - 제1항에 있어서,
상기 이물질 잔해 검출 시스템은, 상기 진동하는 자기장의 생성 이전에 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하도록 구성되는, 무선 에너지 전송 시스템. - 제2항에 있어서,
상기 이물질 잔해 검출 시스템은, 상기 차량이 상기 소스 공진기 위에 위치한 후에 그리고 상기 소스 공진기로부터 상기 차량에 에너지가 전송되기 전에 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하도록 구성되는, 무선 에너지 전송 시스템. - 제3항에 있어서,
상기 이물질 잔해 검출 시스템은, 상기 차량이 상기 소스 공진기 위에 위치하기 전에 상기 무선 에너지 전송 소스의 견실성(health) 및/또는 상태 점검을 수행하도록 구성되는, 무선 에너지 전송 시스템. - 제6항에 있어서,
상기 이물질 잔해 검출 시스템은, 상기 소스 공진기로부터 상기 차량으로 에너지가 전송되기 전에 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하는 것보다는 덜 빈번하게 상기 견실성 및/또는 상태 점검을 수행하도록 구성되는, 무선 에너지 전송 시스템. - 제6항에 있어서,
상기 이물질 잔해 검출 시스템은, 상기 소스 공진기로부터 상기 차량으로 에너지가 전송되기 전에 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하는 것과 상기 견실성 및/또는 상태 점검하는 것을 주기적으로 수행하도록 구성되는, 무선 에너지 전송 시스템. - 제1항에 있어서,
상기 무선 에너지 전송 소스는 차량 충전국의 컴포넌트인, 무선 에너지 전송 시스템. - 제9항에 있어서,
전기 차량 상에 탑재되도록 구성되는 디바이스 모듈을 더 포함하는, 무선 에너지 전송 시스템. - 제1항에 있어서,
상기 이물질 잔해 검출 시스템은 상기 무선 에너지 전송 소스에 통합되는, 무선 에너지 전송 시스템. - 제1항에 있어서,
상기 무선 에너지 전송 시스템은 상기 무선 에너지 전송 소스의 적어도 일부를 하우징하는 엔클로저를 더 포함하고, 상기 이물질 잔해 검출 시스템은 상기 엔클로저 내에 통합되는, 무선 에너지 전송 시스템. - 제1항에 있어서,
상기 무선 에너지 전송 소스는 무선 전력 수신 디바이스에 3.3 kW 이상의 전력을 전달하도록 구성되는, 무선 에너지 전송 시스템. - 제1항에 있어서,
상기 적어도 하나의 자기장 센서는 제1 도전성 루프 및 제2 도전성 루프를 포함하되, 상기 제2 도전성 루프의 최대 치수는 상기 제1 도전성 루프의 최대 치수보다 크고,
상기 제1 도전성 루프는 제1 공간 영역에 위치하고, 상기 제2 도전성 루프는 상기 제1 공간 영역과는 상이한 제2 공간 영역에 위치하며,
상기 제1 공간 영역에서의 상기 진동하는 자기장의 진폭은 상기 제2 공간 영역에서의 상기 진동하는 자기장의 진폭보다 큰, 무선 에너지 전송 시스템. - 제1항에 있어서,
상기 적어도 하나의 자기장 센서는 제1 도전성 루프 및 제2 도전성 루프를 포함하되, 상기 제2 도전성 루프의 최대 치수는 상기 제1 도전성 루프의 최대 치수보다 크고,
상기 제1 도전성 루프는 제1 공간 영역에 위치하고, 상기 제2 도전성 루프는 상기 제1 공간 영역과는 상이한 제2 공간 영역에 위치하며,
상기 제1 공간 영역에서의 상기 진동하는 자기장의 공간적 변화는 상기 제2 공간 영역에서의 상기 진동하는 자기장의 공간적 변화보다 큰, 무선 에너지 전송 시스템. - 무선 에너지 전송 시스템에서 이물질 잔해를 검출하는 방법으로서,
상기 무선 에너지 전송 시스템의 소스 공진기의 견실성 및/또는 상태 점검을 수행하는 단계;
임의의 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하는 단계;
상기 소스 공진기 위에 차량을 위치시키는 단계;
임의의 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하는 단계;
상기 차량의 배터리를 충전하기 위해 상기 차량에 에너지를 무선으로 전송하도록 상기 소스 공진기를 이용하여 진동하는 자기장을 생성하는 단계; 및
상기 진동하는 자기장 내에 적어도 부분적으로 위치되는 자기장 센서에 의해 생성되는 신호의 적어도 하나의 전기적 파라미터를 측정함으로써, 에너지를 전송하는 동안 임의의 이물질 잔해가 상기 소스 공진기 위에서 또는 소스 공진기 상으로 이동하지 않았음을 검증하는 단계
를 포함하는, 무선 에너지 전송 시스템에서 이물질 잔해를 검출하는 방법.
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| PCT/US2012/054490 WO2013036947A2 (en) | 2011-09-09 | 2012-09-10 | Foreign object detection in wireless energy transfer systems |
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| WO2013036947A2 (en) | 2013-03-14 |
| ES2558182T3 (es) | 2016-02-02 |
| CN103875159A (zh) | 2014-06-18 |
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| JP2014526871A (ja) | 2014-10-06 |
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| AU2012305688A1 (en) | 2014-04-24 |
| CA2848040C (en) | 2019-08-13 |
| US10027184B2 (en) | 2018-07-17 |
| JP6185472B2 (ja) | 2017-08-23 |
| KR20140067101A (ko) | 2014-06-03 |
| CA2848040A1 (en) | 2013-03-14 |
| KR101880258B1 (ko) | 2018-07-19 |
| KR20180083956A (ko) | 2018-07-23 |
| EP2754222A4 (en) | 2015-05-06 |
| US20130069441A1 (en) | 2013-03-21 |
| AU2012305688A2 (en) | 2014-07-31 |
| CN103875159B (zh) | 2017-03-08 |
| WO2013036947A3 (en) | 2013-05-02 |
| US10778047B2 (en) | 2020-09-15 |
| US20160276875A1 (en) | 2016-09-22 |
| US9442172B2 (en) | 2016-09-13 |
| EP2754222B1 (en) | 2015-11-18 |
| EP2998153B1 (en) | 2023-11-01 |
| EP2998153A1 (en) | 2016-03-23 |
| US20180337564A1 (en) | 2018-11-22 |
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