According to one embodiment of the present invention, provided is a failure diagnosis circuit of a battery management system, which comprises: a first line including a first resistor, one end of which is connected to a positive pole of a battery, and the other end of which is connected to a first input unit of an analog to digital converter (ADC); a second line including a second resistor, one end of which is connected to a positive electrode of the battery, and the other end of which is connected to a first input unit of a comparator; and a third line including a third resistor, one end of which is connected to the negative pole of the battery, a first the other end of which is connected to a second input unit of the ADC, and a second the other end of which is connected to a second input unit of the comparator. According to the present invention, a failure of the battery management system can be efficiently diagnosed with fewer elements.
본 발명의 일 실시 예에 따른 배터리 관리 시스템의 고장 진단 회로는 제1저항을 포함하고 일단이 배터리의 +극과 연결되며, 타단은 ADC(Analog to Digital Converter)의 제1입력부와 연결되는 제1선로, 제2저항을 포함하고 일단이 상기 배터리의 +극과 연결되며, 타단은 비교기(Comparator)의 제1입력부와 연결되는 제2선로 및 제3저항을 포함하고 일단이 상기 배터리의 -극과 연결되며, 제1타단은 상기 ADC 의 제2입력부와, 제2타단은 상기 비교기의 제2입력부와 연결되는 제3선로를 포함한다. 본 발명에 따르면, 보다 적은 소자들로 효율적으로 배터리 관리 시스템의 고장을 진단할 수 있다는 효과가 있다
FAULT DIAGNOSIS CIRCUIT OF BATTERY MANAGEMENT SYSTEM
배터리 관리 시스템의 고장 진단 회로
2019-08-28
Patent
Electronic Resource
Korean
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
Battery management system and wake-up diagnosis circuit thereof
European Patent Office | 2023
|Battery system, micro short circuit fault detection method thereof and battery management system
European Patent Office | 2021
|FAULT CELL DIAGNOSIS METHOD AND BATTERY MANAGEMENT SYSTEM AND BATTERY SYSTEM USING THE SAME
European Patent Office | 2021
|