公开(公告)号：US11959857B2

公开(公告)日：2024-04-16

申请号：US17478727

申请日：2021-09-17

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hoe Sung Yang ,  Soo Cheol Kim ,  Hyun Seok Kim ,  Sang Hyun Mo ,  So Young Park ,  Kang Bok Lee ,  Kyu Won Han

IPC: G08B17/10 ,  G01N21/53 ,  G01N21/65 ,  G01N21/31

CPC classification number: G01N21/65 ,  G01N21/53 ,  G01N2021/3166 ,  G01N2201/06113

Abstract: Provided is a Raman scattering measurement apparatus including a light source which emits light to smoke particles, a filter configured to block light which is incident to the smoke particles and passes through the particle and to allow Raman scattered light to pass therethrough, and a photodetector which detects the Raman scattered light passing through the filter in order to distinguish fire smoke generated due to a true fire from non-fire smoke generated due to daily life or industrial activity. The present invention also provides a fire determination apparatus including a unit which reads a Raman shift from Raman scattered light detected by the photodetector of the Raman scattering measurement apparatus, estimates a smoke component from the read Raman shift, and determines fire/non-fire from the estimated smoke component and a method thereof.