公开(公告)号：US20210344580A1

公开(公告)日：2021-11-04

申请号：US17279921

申请日：2020-01-14

Applicant: LG Chem, Ltd.

Inventor： Dae Gon Jeon ,  Jang Hyeok Choi

IPC: H04L12/26 ,  B60L58/10

Abstract: A diagnosis apparatus includes a vehicle including a battery and a BMS connected to the vehicle. The vehicle is configured to generate a signal having a predetermined period and a predetermined width, and the BMS is configured to diagnose a communication state between the vehicle and the BMS and a state of the battery based on the signal, and to determine the communication state and the state of the battery as a normal state when a period of the signal is the same as a reference period and a width of the signal is the same as a reference width.

公开(公告)号：US11999245B2

公开(公告)日：2024-06-04

申请号：US17279921

申请日：2020-01-14

Applicant: LG Chem, Ltd.

Inventor： Dae Gon Jeon ,  Jang Hyeok Choi

IPC: B60L3/04 ,  B60L58/10 ,  H04L43/0823 ,  H04L67/12

CPC classification number: B60L3/04 ,  B60L58/10 ,  H04L43/0823 ,  H04L67/12

Abstract: A diagnosis apparatus includes a vehicle including a battery and a BMS connected to the vehicle. The vehicle is configured to generate a signal having a predetermined period and a predetermined width, and the BMS is configured to diagnose a communication state between the vehicle and the BMS and a state of the battery based on the signal, and to determine the communication state and the state of the battery as a normal state when a period of the signal is the same as a reference period and a width of the signal is the same as a reference width.