Measurement circuit for a modular system of cells electrically c

Details Measurement circuit for a modular system of cells electrically c Measurement circuit for a modular system of cells electrically c

1994-12-08

1996-11-26

Wieder, Kenneth A.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

324426, G01N 27416, G01R 3136

Patent

active

055789277

ABSTRACT:
A measurement circuit for a modular system of cells electrically connected in series, in particular for electrical accumulator batteries, includes individual interfaces respectively connected to each power terminal of a different cell and each including a single-wire measurement output for a current measurement signal to be transmitted to a common transducer via a common single-wire connection. The interfaces each incorporate a switchable measurement current generator. They are connected in series by successive elements of a single-wire connection enabling serial transmission of individual switching control pulses grouped into streams for the current generators.

REFERENCES:
patent: 4931738 (1990-06-01), MacIntyre et al.
patent: 5055763 (1991-10-01), Johnson et al.
patent: 5099211 (1992-03-01), Nowak
patent: 5371682 (1994-12-01), Levine et al.
patent: 5469042 (1995-11-01), Ruhling
"A Voltage Monitoring System . . . Multicell . . . Daisy-Chained Sesrial . . . At Each Node", Research Disclosure, No. 344, Dec. 1992, pp. 929-930.

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