Secondary-battery protection control

Details Secondary-battery protection control Secondary-battery protection control

1999-03-02

2000-06-13

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

320128, H02J 700

Patent

active

060753447

ABSTRACT:
In a battery pack including a battery composed of a plurality of secondary calls, a control device for a protection circuit of the battery from over-charging/discharging is disclosed. A cell voltage detector detects cell voltages of the second cells, respectively, and a battery voltage detector detects a battery voltage of the battery. A controller activates a circuit breaker to break an input/output circuit of the battery when the battery voltage does not match a total cell voltage obtained by adding the cell voltages.

REFERENCES:
patent: 5387857 (1995-02-01), Honda et al.
patent: 5621298 (1997-04-01), Harvey
patent: 5684384 (1997-11-01), Barkat et al.
patent: 5786682 (1998-07-01), Aiken et al.
patent: 5903423 (1999-05-01), Okano et al.
English translation of Japanese Office Action dated Apr. 6, 1999 (Hei 11).

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