公开(公告)号：US20240133974A1

公开(公告)日：2024-04-25

申请号：US18489958

申请日：2023-10-18

Applicant: DENSO TEN Limited ,  DENSO CORPORATION

Inventor： Hiroshi OHTANI ,  Shogo SHIGEMORI

IPC: G01R31/396 ,  G01R31/371 ,  G01R31/392

CPC classification number: G01R31/396 ,  G01R31/371 ,  G01R31/392

Abstract: A battery monitoring system includes measurement devices and a battery monitoring device. Each measurement device measures a cell state of a corresponding cell constituting a battery. The battery monitoring device sequentially communicates, by using wireless communication, with the measurement devices during a communication period; and acquires state information indicating the cell state from each measurement device. In a case where transmitting a measurement instruction of the cell state to each of the measurement devices, the battery monitoring device transmits, to each of the plurality of measurement devices, a corresponding stand-by time interval such that measurement timings of the measurement devices synchronize, the stand-by time interval being a time interval from reception of the measurement instruction until the measurement timing. Each of the measurement devices measures the corresponding cell state in a case where the stand-by time interval has elapsed since reception of the measurement instruction.

公开(公告)号：US20240230786A9

公开(公告)日：2024-07-11

申请号：US18489958

申请日：2023-10-19

Applicant: DENSO TEN Limited ,  DENSO CORPORATION

Inventor： Hiroshi OHTANI ,  Shogo SHIGEMORI

IPC: G01R31/396 ,  G01R31/371 ,  G01R31/392

CPC classification number: G01R31/396 ,  G01R31/371 ,  G01R31/392

Abstract: A battery monitoring system includes measurement devices and a battery monitoring device. Each measurement device measures a cell state of a corresponding cell constituting a battery. The battery monitoring device sequentially communicates, by using wireless communication, with the measurement devices during a communication period; and acquires state information indicating the cell state from each measurement device. In a case where transmitting a measurement instruction of the cell state to each of the measurement devices, the battery monitoring device transmits, to each of the plurality of measurement devices, a corresponding stand-by time interval such that measurement timings of the measurement devices synchronize, the stand-by time interval being a time interval from reception of the measurement instruction until the measurement timing. Each of the measurement devices measures the corresponding cell state in a case where the stand-by time interval has elapsed since reception of the measurement instruction.