BATTERY MANAGEMENT DEVICE AND METHOD FOR OPERATING SAME

A battery management device, according to one embodiment disclosed in the present document, may comprise: a cell balancing unit connected to a battery cell and performing balancing of the battery cell; an auxiliary cell balancing unit connected to the battery cell and performing auxiliary balancing...

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Bibliographic Details
Main Author LEE, Mu Yeon
Format Patent
LanguageEnglish
French
Korean
Published 20.04.2023
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Summary:A battery management device, according to one embodiment disclosed in the present document, may comprise: a cell balancing unit connected to a battery cell and performing balancing of the battery cell; an auxiliary cell balancing unit connected to the battery cell and performing auxiliary balancing of the battery cell; a voltage division unit which generates a divided voltage by dividing voltage of the battery cell on the basis of the temperature of the cell balancing unit, and applies the generated divided voltage to the auxiliary cell balancing unit; and a control unit which controls the cell balancing unit on the basis of the generated divided voltage. Un dispositif de gestion de batterie, selon un mode de réalisation décrit dans le présent document, peut comprendre : une unité d'équilibrage de cellule connectée à une cellule de batterie et effectuant un équilibrage de la cellule de batterie ; une unité d'équilibrage de cellule auxiliaire connectée à la cellule de batterie et effectuant un équilibrage auxiliaire de la cellule de batterie ; une unité de division de tension qui génère une tension divisée, en divisant une tension de la cellule de batterie sur la base de la température de l'unité d'équilibrage de cellule, et applique la tension divisée générée à l'unité d'équilibrage de cellule auxiliaire ; et une unité de commande qui commande l'unité d'équilibrage de cellule sur la base de la tension divisée générée. 본 문서에 개시된 일 실시예에 따른 배터리 관리 장치는, 배터리 셀에 연결되고 상기 배터리 셀의 밸런싱을 수행하는 셀 밸런싱부, 상기 배터리 셀에 연결되고 상기 배터리 셀의 보조 밸런싱을 수행하는 보조 셀 밸런싱부, 상기 셀 밸런싱부의 온도를 기초로 상기 배터리 셀의 전압을 분배하여 분배 전압을 생성하고, 상기 생성된 분배 전압을 상기 보조 셀 밸런싱부에 인가하는 전압 분배부 및 상기 생성된 분배 전압에 기초하여 상기 셀 밸런싱부를 제어하는 제어부를 포함할 수 있다.
Bibliography:Application Number: WO2022KR15304