发明名称 |
Battery controller and voltage abnormality detection method |
摘要 |
A battery controller 40 for controlling an assembled battery configured by connecting battery groups each including battery cells, includes: voltage measuring units that are provided respectively for the battery groups each to measure a voltage of each of the battery cells included in a corresponding battery group; a minimum value detecting unit that detects a minimum value of the battery cells for each of the battery groups based upon the measured voltage of each of the battery cells; a reference value setting unit that sets a reference value used to determine an abnormal voltage drop for each of the battery groups based upon the measured voltage of each of the battery cells; and an abnormality determining unit that makes a determination that an abnormal voltage drop is present, if a difference between the reference value and the minimum value exceeds a predetermined value, for each of the battery groups. |
申请公布号 |
EP2428809(A2) |
申请公布日期 |
2012.03.14 |
申请号 |
EP20110177333 |
申请日期 |
2011.08.11 |
申请人 |
HITACHI VEHICLE ENERGY, LTD. |
发明人 |
KAWASAKI, TATSUHIKO;HARA, KENJI;NANTO, TOSHIYUKI;TAKAHASHI, HIROFUMI |
分类号 |
G01R31/36;G01R19/165;G01R35/00 |
主分类号 |
G01R31/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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