KR101230211B1 - 자계 공명 방식의 비접촉 급전장치 - Google Patents
자계 공명 방식의 비접촉 급전장치 Download PDFInfo
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Abstract
상기 과제를 해결하기 위해, 본 발명의 비접촉 급전장치(15)는, 송전측 회로(6)에 대해서는, 송전 코일(3)과 병렬 콘덴서(11)가 배치되어 있고, 병렬 공진 회로가 형성되어 있다. 수전측 회로(7)에 대해서는, 수전 코일(5)과 병렬 콘덴서(12)가 배치되어 있고, 병렬 공진 회로가 형성되어 있다. 그리고, 양쪽 병렬 공진 회로의 공진 주파수가 동일하게 설정되는 동시에, 송전측 회로(6)의 고주파 전원(9)의 전원 주파수가, 이 공진 주파수와 동일하게 맞춰져 있다. 그리고 송전측 회로(6)는, 고주파 전원(9)측의 회로 부분과 병렬 콘덴서(11) 및 송전 코일(3)측의 회로 부분이, 전계 결합용 콘덴서(21, 22)에 의한 전계 결합에 의해 접속되어 있는 것을 특징으로 한다.
Description
도 2는 자계 공명 방식의 비접촉 급전장치의 설명에 제공하는 도면으로, 도 2(1)은 그 원리 설명에 제공하는 회로 설명도이고, 도 2(2)는 출력 전압의 주파수 응답 그래프이다.
도 3은 자계 공명 방식의 비접촉 급전장치의 설명에 제공하는 도면으로, 종래 기술을 나타내고, 도 3(1)은, 그 일례의 회로 설명도이고, 도 3(2)는 다른 예의 회로 설명도이다.
도 4는 비접촉 급전장치의 일반적 설명에 제공하는 도면으로, 도 4(1)은 전체 측면도이고, 도 4(2)는 구성 블록도이다.
2 중계 코일
3 송전 코일
4 수전 코일
5 공진 회로
6 송전측 회로
7 수전측 회로
8 콘덴서
9 고주파 전원
10 비접촉 급전장치(종래예)
11 병렬 콘덴서
12 병렬 콘덴서
13 자심 코어
14 자심 코어
15 비접촉 급전장치(본 발명)
16 배터리
17 초크 코일
18 모터
19 컨버터
20 인버터
21 전계 결합용 콘덴서
22 전계 결합용 콘덴서
23 절연 트랜스
24 콘덴서
A 지상
B 차량
C 급전 스탠드
G 에어 갭
L 부하
V1 입력 전압
V2 출력 전압
ø 자속
Claims (7)
- 전자유도의 상호유도작용을 토대로, 송전측 회로의 송전 코일로부터 수전측 회로의 수전 코일로, 에어 갭을 가지고 비접촉으로 근접 대응 위치하면서 전력을 공급하는 비접촉 급전장치에 있어서,
상기 송전측 회로는,
고주파 전원과,
상기 송전 코일 및 상기 송전 코일에 병렬로 접속된 병렬 콘덴서로 형성되는 병렬 공진 회로와,
상기 고주파 전원측의 회로 부분과, 상기 병렬 공진 회로의 부분을 접속하는 전계 결합용 콘덴서 및,
상기 고주파 전원측의 회로 부분과, 상기 병렬 공진 회로, 및 상기 전계 결합용 콘덴서의 회로 부분을 접속하는 절연 트랜스를 포함하며,
상기 수전측 회로는,
상기 수전 코일과, 상기 수전 코일에 병렬로 접속된 병렬 콘덴서로 형성되는 병렬 공진회로를 포함하며,
상기 송전측 회로의 병렬 공진 회로의 공진 주파수와 상기 수전측 회로의 병렬 공진 회로의 공진 주파수가 동일하게 설정되는 동시에, 상기 송전측 회로의 고주파 전원의 전원 주파수가, 상기 공진 주파수와 동일하게 맞추어져 있는 것을 특징으로 하는 자계 공명 방식의 비접촉 급전장치. - 제1항에 있어서, 상기 전계 결합용 콘덴서는 승압 기능을 발휘하고, 그로 인해 상기 고주파 전원측의 회로 부분을 저압으로 유지 하면서, 상기 송전 코일측의 회로 부분을 고압화하는 것을 특징으로 하는 자계 공명 방식의 비접촉 급전장치.
- 삭제
- 제2항에 있어서, 상기 송전 코일 등의 상기 송전측 회로는, 지면, 노면, 바닥면, 또는 기타 지상측에 정치(定置)하여 배설되고, 또한, 상기 수전 코일 등의 상기 수전측 회로는, 차량, 또는 기타 이동체측에 탑재되어 있는 것을 특징으로 하는 자계 공명 방식의 비접촉 급전장치.
- 제4항에 있어서, 급전은 정지 급전 방식으로 행해지고, 그로 인해 급전시에는, 상기 수전 코일이, 정치된 상기 송전 코일에 대해서, 에어 갭을 가지면서 근접 대응 위치하여 정지되는 동시에,
상기 송전 코일과 상기 수전 코일은, 쌍을 이룰 수 있는 대칭 구조로 되는 것을 특징으로 하는 자계 공명 방식의 비접촉 급전장치. - 제4항에 있어서, 상기 송전 코일 및 상기 수전 코일은, 각각, 절연된 코일 도선이 동일 평면에 있어서 나선상으로 복수 회 권회되어 되고, 그로 인해 전체적으로 평탄하고 두께가 얇은 편평 플랫 구조를 이루는 것을 특징으로 하는 자계 공명 방식의 비접촉 급전장치.
- 제2항에 있어서, 상기 공진 주파수는, 상기 송전 코일로의 입력 전압에 대한 상기 수전 코일의 출력 전압의 주파수 응답을 토대로 설정되고,
그로 인해 상기 공진 주파수는, 전자 결합의 결합 계수에 대응하면서 쌍봉 특성을 나타내는 상기 주파수 응답에 대해서, 특정 결합 계수에 관한 쌍봉 특성의 양쪽 봉우리의 중간 주파수로 설정되는 것을 특징으로 하는 자계 공명 방식의 비접촉 급전장치.
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JPJP-P-2011-000719 | 2011-01-05 | ||
JP2011000719A JP5730587B2 (ja) | 2011-01-05 | 2011-01-05 | 磁界共鳴方式の非接触給電装置 |
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KR20120079799A KR20120079799A (ko) | 2012-07-13 |
KR101230211B1 true KR101230211B1 (ko) | 2013-02-05 |
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US (1) | US20120169135A1 (ko) |
EP (1) | EP2475062A2 (ko) |
JP (1) | JP5730587B2 (ko) |
KR (1) | KR101230211B1 (ko) |
CN (1) | CN102593958A (ko) |
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WO2013065324A1 (ja) | 2011-11-04 | 2013-05-10 | パナソニック株式会社 | コイルユニット及び非接触電力伝送装置 |
WO2013168242A1 (ja) * | 2012-05-09 | 2013-11-14 | トヨタ自動車株式会社 | 車両 |
CN102856989A (zh) * | 2012-07-26 | 2013-01-02 | 中国科学院电工研究所 | 一种基于高温超导材料的谐振式无线输电装置 |
JP2014033499A (ja) * | 2012-08-01 | 2014-02-20 | Sharp Corp | ワイヤレス給電システム、ワイヤレス給電装置、およびワイヤレス受電装置 |
JP5958258B2 (ja) * | 2012-10-10 | 2016-07-27 | トヨタ自動車株式会社 | 非接触給電システムおよびその制御方法 |
JP6052301B2 (ja) * | 2012-12-07 | 2016-12-27 | 日産自動車株式会社 | 非接触給電装置及びその制御方法 |
CN103904757A (zh) * | 2012-12-31 | 2014-07-02 | 比亚迪股份有限公司 | 一种电动汽车的无线充电系统 |
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JP2014155375A (ja) * | 2013-02-12 | 2014-08-25 | Nitto Denko Corp | 無線電力伝送装置、無線電力伝送装置の供給電力制御方法、及び、無線電力伝送装置の製造方法 |
US9876535B2 (en) * | 2013-02-21 | 2018-01-23 | Qualcomm Incorporated | Modular inductive power transfer power supply and method of operation |
JP6216966B2 (ja) * | 2013-03-29 | 2017-10-25 | 株式会社エクォス・リサーチ | 電力伝送システム |
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- 2011-09-29 KR KR1020110098728A patent/KR101230211B1/ko not_active Expired - Fee Related
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KR20120079799A (ko) | 2012-07-13 |
CN102593958A (zh) | 2012-07-18 |
JP5730587B2 (ja) | 2015-06-10 |
US20120169135A1 (en) | 2012-07-05 |
JP2012143106A (ja) | 2012-07-26 |
EP2475062A2 (en) | 2012-07-11 |
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