Title:
MANAGEMENT DEVICE AND POWER SUPPLY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/123906
Kind Code:
A1
Abstract:
In order to improve the power efficiency, while suppressing the complication of a component configuration, during a process of equalization among a plurality of cells connected in series, a plurality of power supply circuits (12, 22, 32, 42) are configured to be able to selectively charge any one of a plurality of cells included in corresponding series-connection cell groups (M1, M2, M3, M4) by using respective end-to-end voltages of the series-connection cell groups (M1, M2, M3, M4). A plurality of discharge circuits (13, 23, 33, 43) are configured to be able to discharge the respective capacitances stored in the series-connection cell groups (M1, M2, M3, M4). A control circuit (50) equalizes the states of the plurality of cells included in each of the series-connection cell groups (M1, M2, M3, M4) by using the plurality of power supply circuits (12, 22, 32, 42), and equalizes the states of the plurality of series-connection cell groups (M1, M2, M3, M4) by using the plurality of discharge circuits (13, 23, 33, 43).
Inventors:
KUNIMITSU TOMONORI
Application Number:
PCT/JP2018/042205
Publication Date:
June 27, 2019
Filing Date:
November 15, 2018
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H02J7/02; H01M10/44; H01M10/48
Foreign References:
| JP2010142039A | 2010-06-24 | |||
| JP2015015777A | 2015-01-22 | |||
| US20150236534A1 | 2015-08-20 | |||
| JP2007300701A | 2007-11-15 | |||
| JP2013223378A | 2013-10-28 |
Other References:
See also references of EP 3731367A4
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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