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http://dx.doi.org/10.7731/KIFSE.2017.31.1.050

A Study on Response Characteristics of Photoelectric Type Smoke Detector Chamber Due to Dust and Wind Velocity  

Lee, Chun-Ha (Dept. of Fire and Disaster Protection Engineering, Hoseo University)
Lee, Ho-Sung (Dept. of Fire and Disaster Protection Engineering, Hoseo University)
Kim, Si-Kuk (Dept. of Fire and Disaster Protection Engineering, Hoseo University)
Publication Information
Fire Science and Engineering / v.31, no.1, 2017 , pp. 50-57 More about this Journal
Abstract
The present article discusses the response characteristics of smoke detector chamber due to dust and wind velocity. Although situations have improved in terms of early sensing of fires as the smoke detectors are applied indoors, studies tend to place insufficient focus on the side effects and malfunction that can be caused by diversified life dust produced indoors and environmental requirements, etc. Therefore, in the present study, 4 types of photoelectric smoke detectors with different forms and structures of smoke chamber were selected as the experimental objects, and dust test was conducted with fly ash, talcum powder and fiber dust as experiment samples to study indoor applicability of the smoke detectors in terms of their response to diversified dust and wind velocity. Also, to observe response characteristics due to pollution level inside the smoke chamber, wind velocity for dust test were set additionally at 0.25 m/s, 0.5 m/s, and 1.0 m/s. Based to the experimental results, fly ash, talcum powder, and fiber dust (black hair powder) were found to be suitable at the dust test reference wind velocity conditions of 0.25 m/s for both operation test and non-operation test after dust application. On the other hand, under the harsh wind velocity conditions of 0.5 m/s and 1.0 m/s, malfunction of unwanted alarm was observed in non-operation tests in the case of fly ash and talcum powder, and non-operation was confirmed to occur in the case of fiber dust as the alarm failed to operate normally in operation tests.
Keywords
Life dust; Malfunction; Non-operation; Smoke chamber; Smoke detector;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 S. H. Sakong, S. K. Kim, C. H. Lee and J. J. Jung, "A Study on the Response Characteristics of Fire Detector by Full-Scale Experiment of Fire Phenomena in the Row House", Korean Institute of Fire Science and Engineering, Vol. 23, No. 3, pp. 67-72 (2009).
2 Korea Trade-Investment Promotion Agency Website, "news.kotra.or.kr/user/globalBbs/kotranews/5/globalBbsDataView.do?setIdx=244&dataIdx=153323" (2015).
3 Korea Trade-Investment Promotion Agency Website, "news.kotra.or.kr/user/globalBbs/kotranews/4/globalBbsDataView.do?setIdx=243&dataIdx=116789" (2012).
4 B. K. Seo and S. G. Nam, "Study of the Improvement of False Fire Alarms in Analog Photoelectric Type Smoke Detectors", Korean Institute of Fire Science & Engineering, Vol. 30, No. 5, pp. 108-115 (2016).   DOI
5 J. H. Lee, "A Study on the Multi-optical Smoke Detector Chamber", The Graduate School of Hoseo University, Academic Thesis, pp. 1-118 (2013).
6 KS A 0090, "Test Powders and Test Particles" (2012).
7 KS C IEC60068-2-68, "Environmental Testing-Part 2: Tests-Test L: Dust and Sand" (2013).
8 KS L 5405, "Fly ash" (2015).
9 KOFEIS 0301, "Engineering Criteria for Form Approval of Detector and Product Inspection" (2015).
10 S. K. Kim, H. D. Yuk, S. H. Yang, S. W. Jee and C. H. Lee, "A Study on the Problem of Tester for the Field Inspection of the Photoelectric Smoke Detector", Korean Institute of Fire Science & Engineering, Vol. 23, No. 4, pp. 137-144 (2009).
11 NFSC 203, "Fire Safety Standards for Automatic Fire Alarm System and Visual Alarm Equipment" (2016).