US 12,265,129 B2
Battery monitoring apparatus and identification information giving method
Jun Suzuki, Hitachinaka (JP); Tsuyoshi Takaku, Hitachinaka (JP); and Koichi Takahashi, Hitachinaka (JP)
Assigned to HITACHI ASTEMO, LTD., Hitachinaka (JP)
Filed by Hitachi Astemo, Ltd., Hitachinaka (JP)
Filed on Jul. 15, 2022, as Appl. No. 17/865,569.
Claims priority of application No. 2021-152066 (JP), filed on Sep. 17, 2021.
Prior Publication US 2023/0088301 A1, Mar. 23, 2023
Int. Cl. G01R 31/371 (2019.01); B60L 58/10 (2019.01); H01M 10/42 (2006.01); H04B 17/318 (2015.01)
CPC G01R 31/371 (2019.01) [B60L 58/10 (2019.02); H01M 10/425 (2013.01); H01M 2010/4278 (2013.01); H04B 17/318 (2015.01)] 7 Claims
OG exemplary drawing
 
1. A battery monitoring apparatus comprising:
battery state detection devices configured to detect states of battery modules:
a control device wirelessly connected to a plurality of the battery state detection devices to manage the states of the battery modules; and
a processing unit configured to give, to the battery state detection devices to which identification information is to be given, an identification information indicating arrangement positions of the battery state detection devices based on a plurality of wireless communication strengths among wireless communication strengths between the battery state detection devices to which the identification information is to be given and other battery state detection devices, and wireless communication strengths between the battery state detection devices to which the identification information is to be given and the control device,
wherein the control device:
searches for the battery state detection devices, which are wirelessly connectable, based on a unique information stored in each of the battery state detection devices, and
transmits a transmission instruction signal of a reception strength determination signal to the found battery state detection devices;
the battery state detection devices transmit the reception strength determination signal to other battery state detection devices based on the transmission instruction signal; and
the processing unit
obtains wireless communication strengths between the battery state detection devices to which identification information is to be given and the control device based on a reception strength of the transmission instruction signal,
obtains wireless communication strengths between the battery state detection devices to which identification information is to be given and the other battery state detection devices based on the reception strength of the reception strength determination signal, and
gives the identification information to the battery state detection devices to which identification information is to be given based on the obtained wireless communication strengths.