KR20170052095A - 배터리 제어 시스템 및 릴레이 융착 검출 방법 - Google Patents
배터리 제어 시스템 및 릴레이 융착 검출 방법 Download PDFInfo
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Abstract
Description
도 2 및 도 3은 본 발명에 따른 릴레이 융착 검출 장치의 릴레이 융착 검출 동작에 대한 실시예를 도시한 도면이다.
도 4 내지 도 7은 본 발명에 따른 릴레이 융착 검출 방법에 대한 동작 흐름을 도시한 도면이다.
20: 직류 변환기 30: 보조 배터리
40: 릴레이 50: 배터리 제어부(BMS)
60: 전류 센서
Claims (16)
- 메인 배터리 및 보조 배터리;
상기 메인 배터리 및 상기 보조 배터리 사이에서 상기 메인 배터리로부터 출력된 고전압을 저전압으로 변환하여 상기 보조 배터리 또는 전장 부하로 공급하는 직류 변환기;
상기 보조 배터리의 전압을 단속하는 릴레이; 및
상기 직류 변환기가 상시 온 동작하는 상태에서 상기 릴레이를 오프 제어한 후, 상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합을 비교하여 그 결과에 따라 상기 릴레이의 융착 상태를 검출하는 배터리 제어부
를 포함하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 1에 있어서,
상기 배터리 제어부는,
차량 주행 시 또는 시동 오프 시, 상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합이 동일하면 상기 릴레이에 융착이 발생한 것으로 판단하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 1에 있어서,
상기 배터리 제어부는,
차량 주행 시, 상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합이 동일하지 않으면 상기 직류 변환기의 출력 전압을 상향 제어하고 상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합을 2차 비교하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 3에 있어서,
상기 배터리 제어부는,
2차 비교 결과, 상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합이 동일하면 상기 릴레이에 융착이 발생한 것으로 판단하고, 그렇지 않으면 상기 릴레이가 정상 동작하는 것으로 판단하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 1에 있어서,
상기 배터리 제어부는,
차량의 시동 오프 시, 상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합이 동일하지 않으면 상기 릴레이가 정상 동작하는 것으로 판단하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 1에 있어서,
상기 배터리 제어부는,
차량의 시동 오프 시, 상기 저전압 전력변화기의 출력 전압을 상향 제어한 후에 상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합을 비교하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 1에 있어서,
상기 배터리 제어부는,
차량의 시동 오프 시, 상기 메인 배터리와 연결된 메인 릴레이를 온 제어한 후에 상기 릴레이의 융착 상태를 검출하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 1에 있어서,
상기 배터리 제어부는,
상기 릴레이의 융착이 검출되면, 상기 보조 배터리의 충전 전압이 일정레벨 이상이 되도록 제어하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 1에 있어서,
상기 배터리 제어부는,
상기 릴레이의 융착이 검출되면, 차량의 시동 오프가 완료되기 이전에 릴레이의 융착 상태를 안내하는 경고 메시지가 출력되도록 하는 것을 특징으로 하는 배터리 제어 시스템. - 청구항 1에 있어서,
상기 메인 배터리는, 고전압 배터리이고,
상기 보조 배터리는, 12V 리튬 배터리인 것을 특징으로 하는 배터리 제어 시스템. - 보조 배터리 또는 전장 부하로 전압을 공급하는 직류 변환기가 상시 온 동작하는 상태에서 상기 보조 배터리의 전압을 단속하는 릴레이를 오프 제어하는 단계;
상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합을 비교하는 단계; 및
상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합이 동일하면 상기 릴레이에 융착이 발생한 것으로 판단하는 단계
를 포함하는 것을 특징으로 하는 릴레이 융착 검출 방법. - 청구항 11에 있어서,
차량 주행 시, 상기 비교하는 단계의 비교 결과 상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합이 동일하지 않으면 상기 직류 변환기의 출력 전압을 상향 제어하는 단계; 및
상기 직류 변환기의 출력 전압 및 상기 보조 배터리의 셀 전압의 합을 2차 비교하는 단계를 더 포함하는 것을 특징으로 하는 릴레이 융착 검출 방법. - 청구항 11에 있어서,
차량의 시동 오프 시, 상기 릴레이를 오프 제어하는 단계에서 상기 릴레이를 오프 제어하기 이전에 메인 배터리와 연결된 메인 릴레이를 온 제어하는 단계를 더 포함하는 것을 특징으로 하는 릴레이 융착 검출 방법. - 청구항 11에 있어서,
차량의 시동 오프 시, 상기 릴레이 오프 상태에서 상기 비교하는 단계 이전에 상기 저전압 전력변화기의 출력 전압을 상향 제어하는 단계를 더 포함하는 것을 특징으로 하는 릴레이 융착 검출 방법. - 청구항 11에 있어서,
상기 릴레이에 융착이 발생한 것으로 판단하는 단계 이후에, 상기 보조 배터리의 충전 전압이 일정레벨 이상이 되도록 제어하는 단계를 더 포함하는 것을 특징으로 하는 릴레이 융착 검출 방법. - 청구항 11에 있어서,
상기 릴레이에 융착이 발생한 것으로 판단하는 단계 이후에 상기 릴레이의 융착 상태를 안내하는 경고 메시지를 출력하는 단계를 더 포함하는 것을 특징으로 하는 릴레이 융착 검출 방법.
Priority Applications (4)
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| KR1020150154094A KR20170052095A (ko) | 2015-11-03 | 2015-11-03 | 배터리 제어 시스템 및 릴레이 융착 검출 방법 |
| US15/219,960 US10279685B2 (en) | 2015-11-03 | 2016-07-26 | Battery control system and method for detecting fusion of relay |
| DE102016115283.8A DE102016115283A1 (de) | 2015-11-03 | 2016-08-17 | Batteriesteuerungssystem und verfahren zum detektieren des schmelzens eines relais |
| CN201610682281.2A CN106627191B (zh) | 2015-11-03 | 2016-08-17 | 电池控制系统和用于检测继电器熔接的方法 |
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| KR1020150154094A KR20170052095A (ko) | 2015-11-03 | 2015-11-03 | 배터리 제어 시스템 및 릴레이 융착 검출 방법 |
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| KR (1) | KR20170052095A (ko) |
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| DE (1) | DE102016115283A1 (ko) |
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| CN114435135A (zh) * | 2021-12-14 | 2022-05-06 | 广东美的白色家电技术创新中心有限公司 | 一种继电器状态确定方法、装置、电子设备及存储介质 |
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-
2016
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941106A (zh) * | 2017-12-20 | 2019-06-28 | 株式会社斯巴鲁 | 电动车辆的电源系统 |
| KR20190115966A (ko) * | 2018-04-04 | 2019-10-14 | 주식회사 글로벌테크놀러지 | 돌입전류 방지용소자와 다이오드 전압강하 특성을 이용한 이동식 카라반을 견인하는 전기자동차의 전원공급 배터리 시스템 |
| CN114435135A (zh) * | 2021-12-14 | 2022-05-06 | 广东美的白色家电技术创新中心有限公司 | 一种继电器状态确定方法、装置、电子设备及存储介质 |
| CN114435135B (zh) * | 2021-12-14 | 2024-01-05 | 广东美的白色家电技术创新中心有限公司 | 一种继电器状态确定方法、装置、电子设备及存储介质 |
Also Published As
| Publication number | Publication date |
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| CN106627191B (zh) | 2021-03-02 |
| US10279685B2 (en) | 2019-05-07 |
| DE102016115283A1 (de) | 2017-05-04 |
| US20170120754A1 (en) | 2017-05-04 |
| CN106627191A (zh) | 2017-05-10 |
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