US 12,332,319 B2
System and method for managing vehicle battery
Hyun Jin Park, Hwaseong-si (KR); Woo Sung Kim, Hwaseong-si (KR); Kyung In Min, Hwaseong-si (KR); Do Sung Hwang, Hwaseong-si (KR); Ki Seung Baek, Hwaseong-si (KR); Dong Il Kim, Hwaseong-si (KR); Dae Gun Jin, Hwaseong-si (KR); Yoon Jun Lee, Hwaseong-si (KR); Bo Ram Yang, Hwaseong-si (KR); Ki Chul Hong, Hwaseong-si (KR); Ik Kyu Kim, Hwaseong-si (KR); Sung Il Lee, Hwaseong-si (KR); Jae Shin Yi, Hwaseong-si (KR); Young Woo Lee, Hwaseong-si (KR); Soo Yang Jin, Hwaseong-si (KR); Suk Hyung Kim, Hwaseong-si (KR); and Hyun Soo Park, Hwaseong-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Nov. 4, 2021, as Appl. No. 17/518,991.
Claims priority of provisional application 63/110,744, filed on Nov. 6, 2020.
Prior Publication US 2022/0144128 A1, May 12, 2022
Int. Cl. G01R 31/389 (2019.01); B60L 3/00 (2019.01); B60L 50/60 (2019.01); B60L 58/10 (2019.01); B60L 58/12 (2019.01); B60L 58/16 (2019.01); B60L 58/21 (2019.01); G01R 31/367 (2019.01); G01R 31/3835 (2019.01); G01R 31/3842 (2019.01); G01R 31/392 (2019.01); G05B 23/02 (2006.01); G07C 5/00 (2006.01); G07C 5/08 (2006.01); H01M 10/42 (2006.01); H01M 10/48 (2006.01)
CPC G01R 31/389 (2019.01) [B60L 3/0046 (2013.01); B60L 50/60 (2019.02); B60L 58/10 (2019.02); B60L 58/12 (2019.02); B60L 58/16 (2019.02); B60L 58/21 (2019.02); G01R 31/367 (2019.01); G01R 31/3835 (2019.01); G01R 31/3842 (2019.01); G01R 31/392 (2019.01); G07C 5/008 (2013.01); G07C 5/0825 (2013.01); H01M 10/425 (2013.01); H01M 10/482 (2013.01); H01M 10/486 (2013.01); B60L 2240/545 (2013.01); B60L 2240/547 (2013.01); G05B 23/0218 (2013.01); G05B 23/0256 (2013.01); H01M 2010/4271 (2013.01); H01M 2220/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for managing a vehicle battery that is chargeable/dischargeable and stores energy for driving a vehicle driving motor, the system comprising:
a controller configured to:
receive a voltage of each of a plurality of battery cells in the vehicle battery, a temperature of the vehicle battery, and an insulation resistance of the vehicle battery,
determine a reference value based on a deviation between voltages of the plurality of battery cells and the temperature of the vehicle battery, and
determine whether the vehicle battery is abnormal by comparing the reference value with the insulation resistance,
wherein the insulation resistance is a variable value and a measurable value, and
wherein the reference value is changed according to the deviation between the voltages of the plurality of battery cells and the temperature of the vehicle battery.