US 11,942,613 B2
Thermal runaway detection system for batteries within enclosures
Brian Allen Engle, New Port Richey, FL (US); and Neil Roberts, Ascot (GB)
Assigned to AMPHENOL THERMOMETRICS, INC., Saint Marys, PA (US)
Filed by Amphenol Thermometrics, Inc., Saint Marys, PA (US)
Filed on Dec. 16, 2022, as Appl. No. 18/082,634.
Application 18/082,634 is a division of application No. 17/021,711, filed on Sep. 15, 2020, granted, now 11,588,192.
Prior Publication US 2023/0124972 A1, Apr. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 10/04 (2006.01); H01M 10/42 (2006.01); H01M 10/44 (2006.01); H01M 10/48 (2006.01)
CPC H01M 10/48 (2013.01) [H01M 10/4228 (2013.01); H01M 10/443 (2013.01); H01M 10/445 (2013.01); H01M 2220/20 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A battery thermal runaway detection system for use within a battery enclosure housing one or more batteries, the detection system comprising:
at least one gas sensor comprising a hydrogen sensor configured to detect greater than 300 ppm hydrogen, or a carbon dioxide sensor configured to detect greater than 1,000 ppm carbon dioxide, and configured to provide a sensed output in real time;
a microcontroller electrically connected to the at least one gas sensor and configured to determine power management and provide a signal conditioned output of a concentration of the hydrogen or the carbon dioxide based on the sensed output from the at least one gas sensor;
a battery controller connected to the microcontroller; and
at least one secondary sensor for detecting a secondary condition of the battery and providing information on a rate of progression of the cell venting and thermal runaway in real time including pressure or temperature, wherein said microcontroller provides a rate of progression of the thermal runaway based on the provided information from said secondary sensor.