US 12,405,191 B2
Aspirating detection system
Pere Moix Olivé, Barcelona (ES)
Assigned to KIDDE FIRE PROTECTION, LLC, Bradenton, FL (US)
Filed by Kidde Fire Protection, LLC, Bradenton, FL (US)
Filed on May 9, 2022, as Appl. No. 17/739,771.
Claims priority of application No. 21382424 (EP), filed on May 10, 2021.
Prior Publication US 2022/0357244 A1, Nov. 10, 2022
Int. Cl. G01N 1/24 (2006.01); G01M 99/00 (2011.01)
CPC G01N 1/24 (2013.01) [G01M 99/00 (2013.01); G01N 2001/245 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An aspirating detection system (1) for detecting a fire event in a monitored environment (100), the aspirating detection system (1) comprising:
an aspirator (2) for sampling air from the monitored environment (100);
a vibration sensor (3) configured to monitor a vibration signature of the aspirator (2); and
a control module (4) in communication with the vibration sensor (3);
wherein the control module (4) is configured to determine if the aspirator (2) requires maintenance based on the vibration signature of the aspirator (2);
wherein the control module (4) is configured to:
compare the vibration signature of the aspirator (2) to an operational range; and
if the vibration signature of the aspirator (2) is not within the operational range, determine that the aspirator (2) requires maintenance;
wherein the vibration sensor (3) is configured to monitor an initial vibration signature of the aspirator (2);
wherein the control module (4) is configured to determine a relative threshold for maintenance based on the initial vibration signature, the relative threshold for maintenance defining an upper limit and a lower limit of the operational range.