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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11524588 B1

PDFFull Text
Date of Patent:
Dec. 13, 2022

Filed:

Jun. 19, 2018

Wireless battery management system and battery pack including same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Ji-Eun Kim, Daejeon, KR;

Chang-Hyun Sung, Daejeon, KR;

Sang-Hoon Lee, Daejeon, KR;

Yean-Sik Choi, Daejeon, KR;

Assignee:

LG ENERGY SOLUTION, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Nathaniel R Pelton

Int. Cl.
CPC ...
B60L 50/50 (2019.01); H01M 10/42 (2006.01); H01M 10/48 (2006.01); H02J 7/00 (2006.01); B60L 58/12 (2019.01);
U.S. Cl.
CPC ...
B60L 50/50 (2019.02); H01M 10/425 (2013.01); H01M 10/4207 (2013.01); H01M 10/482 (2013.01); H02J 7/00 (2013.01); H02J 7/0016 (2013.01); H02J 7/00032 (2020.01); H02J 7/0048 (2020.01); B60L 58/12 (2019.02); H01M 2010/4271 (2013.01); H02J 7/005 (2020.01); H02J 2310/48 (2020.01);
Abstract

A wireless battery management system includes a plurality of slave BMSs coupled to a plurality of battery modules in one-to-one correspondence. Each slave BMS is configured to operate in active mode and sleep mode. Each slave BMS is configured to wirelessly transmit a detection signal indicating a state of the battery module. The wireless battery management system further includes a master BMS configured to wirelessly receive the detection signal from each of the plurality of slave BMSs. The master BMS is configured to set a scan cycle and a scan duration for each of the plurality of slave BMSs based on the detection signal, and wirelessly transmit a control signal to the plurality of slave BMSs. The control signal includes a wireless balancing command indicating the scan cycle and the scan duration set for each of the plurality of slave BMSs.

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