公开(公告)号：US20180012484A1

公开(公告)日：2018-01-11

申请号：US15547141

申请日：2016-01-22

Applicant: HITACHI CHEMICAL COMPANY, LTD.

Inventor： Kei SAKABE ,  Takanori YAMAZOE ,  Hiroshi ARITA

IPC: G08C17/02 ,  H01M10/42 ,  G08C25/00

CPC classification number: G08C17/02 ,  G08C17/00 ,  G08C25/00 ,  G08C2200/00 ,  G08C2201/50 ,  G08C2201/60 ,  H01M10/425 ,  H01M10/48 ,  H01M2010/4271 ,  H01M2010/4278 ,  H04W72/08

Abstract: There is provided a wireless battery system reconcilable with unsuccessful communication due to interference from an external wireless instrument or radio wave reflection or shielding under a surrounding physical environment. A wireless battery system allocates a cell controller to a cell, detects a cell state, and wirelessly communicates a cell state detected by a cell controller to a battery controller. During the wireless communication, the battery controller transmits a beacon to the cell controller and specifies a duration for radio wave environment measurement and a frequency to be measured as a condition. The cell controller performs radio wave environment measurement under the specified condition and then returns a measurement result along with the cell state to the battery controller.