The present invention is to provide a battery management system for detecting a fault condition of a connector and preventing a malfunction that may occur due to a fault condition, and an operating method thereof. According to a preferred embodiment of the present invention, a battery management system comprises: a relay in which a relay source terminal is connected to a low voltage battery through each of a first switch and a second switch, and a relay battery terminal is connected between a high voltage battery and the load; a plurality of slave controllers monitoring a battery cell voltage of the high voltage battery; and a master controller for receiving a diagnostic signal according to the monitoring result of the plurality of slave controllers, determining a fault condition using the diagnostic signal, and turning on or off the relay using the first switch or the second switch according to the determination result.
본 발명의 바람직한 실시예에 따른 배터리 관리 시스템은, 제1 스위치와 제2 스위치 각각을 통해 저전압 배터리에 릴레이 소스단이 연결되고, 고전압 배터리와 부하 사이에 릴레이 배터리단이 연결되는 릴레이, 상기 고전압 배터리의 배터리 셀 전압을 모니터링하는 복수의 슬레이브 제어기, 및 상기 복수의 슬레이브 제어기의 모니터링 결과에 따른 진단 신호를 전달받고, 진단 신호를 이용하여 고장 상황을 판단하고, 판단 결과에 따라 상기 제1 스위치 또는 상기 제2 스위치를 이용하여 상기 릴레이를 온 또는 오프 제어하는 마스터 제어기를 포함한다.
BATTERY MANAGEMENT SYSTEM AND OPERATION METHOD THEREOF
배터리 관리 시스템 및 그것의 동작 방법
2021-03-17
Patent
Electronic Resource
Korean
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen |
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