| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To avoid increase in communication load and simply and easily give identification information of battery rows. <P>SOLUTION: A battery device 100 includes: a battery row group formed by connecting battery rows 50a to 50c, each including one or more battery cells, in series; multiple battery management units 10a to 10c provided in correspondence with the respective battery rows 50a to 50c and manage the states of the corresponding battery rows 50a to 50c; a central management unit 20 that gives unique identification information to each of the battery management units 10a to 10c and acquires the respective state-of-battery information of the battery rows 50a to 50c from the battery management units 10a to 10c and manages them; a second communication line 40 connecting the battery management units 10a to 10c in a daisy chain configuration; a first communication line 30 connecting either of those positioned at ends of the battery management units 10a to 10c with the central management unit 20 among the plurality of battery management units 10a to 10c; and multiple connection switching units 60a to 60c that are respectively provided in the second communication line 40 between battery management units and switch the state between battery management units between connection and disconnection. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
