US 12,087,918 B2
Vehicle battery fire sensing apparatus and method
Tae Hwan Roh, Daejeon (KR); Hyung Jun Ahn, Daejeon (KR); Sung Gon Kim, Daejeon (KR); Su Chang Kim, Daejeon (KR); Hui Jeong Lee, Daejeon (KR); and Do Wung Son, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/422,335
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jun. 29, 2020, PCT No. PCT/KR2020/008460
§ 371(c)(1), (2) Date Jul. 12, 2021,
PCT Pub. No. WO2021/015436, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 10-2019-0089225 (KR), filed on Jul. 23, 2019.
Prior Publication US 2022/0109194 A1, Apr. 7, 2022
Int. Cl. H01M 10/42 (2006.01); B60L 3/00 (2019.01); H01M 10/48 (2006.01)
CPC H01M 10/425 (2013.01) [B60L 3/0046 (2013.01); H01M 10/486 (2013.01); B60Y 2400/306 (2013.01); H01M 2010/4271 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A vehicle battery fire sensing apparatus comprising:
a battery pack mounted to a vehicle structure; and
an electronic control unit,
wherein the battery pack comprises:
a battery module comprising one or more battery cells;
a battery management system configured to transmit a signal received from the battery module to the electronic control unit; and
a battery pack case having a gas discharge portion configured to allow venting gas to be discharged therethrough, and
a sensor attached directly to the vehicle structure and spaced from the battery pack case, the sensor being configured to measure at least one of temperature or pressure of the gas discharged from the gas discharge portion.