VOLTAGE MEASUREMENT DEVICE FOR PLURALITY OF ASSEMBLED BATTERIES

Title:

VOLTAGE MEASUREMENT DEVICE FOR PLURALITY OF ASSEMBLED BATTERIES

Document Type and Number:

WIPO Patent Application WO/2012/050100

Kind Code:

A1

Abstract:

The present invention provides a voltage measurement device for a plurality of assembled batteries, in which, in voltage detection ICs (21-1 to 21-5), a switch (SW1) is connected to a reference voltage generator (24) and supplies, to an A/D converter (26), a reference voltage (Vf) output by the reference voltage generator (24). After the reference voltage (Vf) is digitized by the A/D converter (26), the reference voltage (Vf) is transmitted to a main personal computer (33). The main personal computer (33) determines the logical value of the reference voltage on the basis of the ambient temperature and compares the logical value and the actual measured value of the reference voltage (Vf) to determine whether or not the first voltage detection IC (21-1) detects voltage with a satisfactory degree of accuracy.

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Inventors:

ISHIKAWA SATOSHI (JP)
SEKIZAKI MASASHI (JP)

Application Number:

PCT/JP2011/073369

Publication Date:

April 19, 2012

Filing Date:

October 12, 2011

Export Citation:

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Assignee:

YAZAKI CORP (JP)
ISHIKAWA SATOSHI (JP)
SEKIZAKI MASASHI (JP)

International Classes:

G01R19/00; B60L3/00; B60R16/04; G01R31/36; H02J7/02

Foreign References:

JP2000162251A	2000-06-16
JPH0984280A	1997-03-28
JP2010057292A	2010-03-11
JP2010203958A	2010-09-16
JP2005062028A	2005-03-10
JP2010231210A	2010-10-14

Other References: