Title:
SWITCH DIAGNOSIS DEVICE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2020/055162
Kind Code:
A1
Abstract:
The present invention relates to a switch diagnosis device and method capable of effectively diagnosing a switch in a step of diagnosing a switch provided in a battery pack. According to one aspect of the present invention, when a plurality of battery modules having a parallel structure are provided, a switch provided in a battery module to be diagnosed can be effectively diagnosed on the basis of voltages of switches provided in other battery modules excluding the battery module to be diagnosed.
Inventors:
HAM SANG-HYEOK (KR)
JU HONG-SEOK (KR)
JU HONG-SEOK (KR)
Application Number:
PCT/KR2019/011828
Publication Date:
March 19, 2020
Filing Date:
September 11, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G01R31/327; G01R19/165; H01M10/48; H01M50/204
Foreign References:
| JP2010254038A | 2010-11-11 | |||
| KR20180026948A | 2018-03-14 | |||
| JP2017065340A | 2017-04-06 | |||
| JP2016219229A | 2016-12-22 | |||
| JP2018026889A | 2018-02-15 | |||
| KR20180109206A | 2018-10-08 |
Other References:
See also references of EP 3754350A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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