Internal short circuit detection based on detection of open...

Details Internal short circuit detection based on detection of open... Internal short circuit detection based on detection of open...

2006-12-27

2009-08-11

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C702S063000

Reexamination Certificate

active

07573394

ABSTRACT:
A battery inspection device inspects for internal short circuits in a battery. The conditions of battery modules B are inspected by measuring open circuit voltage signals of the battery modules that form a battery stack. The open circuit voltage signals are supplied to a detection circuit through voltage signal lines each prepared for each battery module. A voltage signal line and an address signal line A for passing an address signal to set an address which identifies the battery stack using a signal supplied from a signal source share a single line extending between the battery module and the detection circuit, and thus the number of signal lines is reduced.

REFERENCES:
patent: 5831945 (1998-11-01), Shinbori et al.
patent: 7471065 (2008-12-01), Emori et al.
patent: 2002-22778 (2002-01-01), None

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