Title:
VOLTAGE MEASUREMENT SYSTEM DIAGNOSIS SYSTEM, VOLTAGE MEASUREMENT SYSTEM DIAGNOSIS METHOD, AND VOLTAGE MEASUREMENT SYSTEM DIAGNOSIS PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/162453
Kind Code:
A1
Abstract:
A data acquisition unit 111 acquires voltage data relating to each cell of a battery pack 40 including a plurality of cells connected in series or relating to each parallel cell block of a battery pack 40 including a plurality of parallel cell blocks connected in series, the parallel cell blocks each including a plurality of cells connected in parallel. When the voltage fluctuation of two adjacent cells of the plurality of cells or two adjacent parallel cell blocks of the plurality of parallel cell blocks is greater than a threshold value, a determination unit 114 determines that a voltage measurement system between the connection point of the two cells or the two parallel cell blocks and a voltage measurement unit 43 has an abnormality.
Inventors:
TAKEDA MUTSUHIKO
NISHIKAWA SHINYA
NISHIKAWA SHINYA
Application Number:
PCT/JP2022/047877
Publication Date:
August 31, 2023
Filing Date:
December 26, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01R31/00; G01R31/396
Foreign References:
| JP2020048383A | 2020-03-26 | |||
| JP2008175804A | 2008-07-31 | |||
| JP2009257928A | 2009-11-05 | |||
| JP2007010580A | 2007-01-18 | |||
| JP2018004406A | 2018-01-11 | |||
| JP2009216448A | 2009-09-24 | |||
| JP2014112039A | 2014-06-19 | |||
| US20130245970A1 | 2013-09-19 |
Attorney, Agent or Firm:
MUNETA Satoshi (JP)
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