US 12,119,510 B2
Battery connection module
Hidehiko Shimizu, Makinohara (JP); Keitaroh Nozawa, Makinohara (JP); Shuhei Urakami, Makinohara (JP); and Shinji Kawai, Makinohara (JP)
Assigned to YAZAKI CORPORATION, Tokyo (JP)
Filed by Yazaki Corporation, Tokyo (JP)
Filed on Jul. 28, 2021, as Appl. No. 17/387,304.
Claims priority of application No. 2020-128036 (JP), filed on Jul. 29, 2020.
Prior Publication US 2022/0037735 A1, Feb. 3, 2022
Int. Cl. H01M 50/284 (2021.01); H01M 10/0525 (2010.01); H01M 50/209 (2021.01); H01M 50/507 (2021.01); H05K 1/02 (2006.01)
CPC H01M 50/284 (2021.01) [H01M 10/0525 (2013.01); H01M 50/209 (2021.01); H01M 50/507 (2021.01); H05K 1/0277 (2013.01); H05K 2201/10037 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A battery connection module comprising:
a plurality of bus bars provided on a battery stack in which a plurality of battery packs are assembled, and attached to electrodes of the battery packs;
a flexible printed wiring board provided on the battery stack;
a first electronic component electrically connected to the flexible printed wiring board;
a case provided on the battery stack, housing the bus bars and the flexible printed wiring board, and opening upward; and
a cover attached to the case so as to close the opening of the case,
wherein the flexible printed wiring board includes a side surface portion that extends outward from above the battery stack and is bent so as to be fixed to a side surface of the battery stack,
the first electronic component is provided on the side surface portion,
a plurality of first openings extending in an arrangement direction of the battery packs are formed in the case, and arranged to face a valve provided on an upper surface of the battery stack, respectively,
a plurality of second openings extending in the arrangement direction are formed in the cover, and arranged to align with the plurality of first openings, respectively, and
a plurality of third openings extending in the arrangement direction are formed in the flexible printed wiring board, and arranged to align with the plurality of first openings in a direction perpendicular to the arrangement direction, and to align with the plurality of second openings in the arrangement direction, respectively.