System for battery alarm notification and a method for...

Details System for battery alarm notification and a method for... System for battery alarm notification and a method for...

2006-12-12

2006-12-12

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S636190, C324S433000

Reexamination Certificate

active

07148808

ABSTRACT:
In an embodiment of the present invention, a clamp-on sensor is coupled at a single point of a battery string in an un-interruptible power supply. In embodiments of the present invention, the clamp-on sensor is a Hall effects sensor for sensing ripple current through the battery string. The clamp-on sensor is coupled with a logic circuit for detecting a battery failure of the battery string. In response to detecting a failure of the battery string, the logic circuit automatically generates a message over a communication network indicating the failure of a battery in the battery string. In embodiments of the present invention, the logic circuit can also generate a message indicating the failure of an inverter in the un-interruptible power supply.

REFERENCES:
patent: 4441066 (1984-04-01), Burmenko
patent: 5047961 (1991-09-01), Simonsen
patent: 5744932 (1998-04-01), Kissel
patent: 6124797 (2000-09-01), Mercado
patent: 2002/0138775 (2002-09-01), Hammond et al.

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