Fire Science and Engineering (한국화재소방학회논문지)

Korean Institute of Fire Science and Engineering (한국화재소방학회)
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Development of a Low-Power Standalone Heat Detector Using a Critical-Temperature Switch

임계온도스위치를 이용한 저전력 단독경보형 정온식 감지기 개발

  • Jo, Sungwoo (Materials & Components Basic Research Division ETRI) ;
  • Jung, Sun-Kyu (Materials & Components Basic Research Division ETRI) ;
  • Son, Jimin (University of Science and Technology) ;
  • Kim, Hyun-Tak (Materials & Components Basic Research Division ETRI)
  • 조성우 (한국전자통신연구원 소재부품원천연구본부) ;
  • 정순규 (한국전자통신연구원 소재부품원천연구본부) ;
  • 손지민 (과학기술연합대학원대학교 대학원) ;
  • 김현탁 (한국전자통신연구원 소재부품원천연구본부)
  • Received : 2019.06.04
  • Accepted : 2019.07.03
  • Published : 2019.08.31
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Abstract

This paper reports development of a low-power standalone heat detector using a Critical-Temperature Switch. The Critical-Temperature Switch, which is a thermally sensitive and passive component whose resistance decreases significantly at 70 ℃ due to a metal-insulator transition, provides reliable temperature measurements. This digital-like behavior of the Critical-Temperature Switch can detect fires without a microcontroller, meaning that it can minimize the power consumption of the standalone heat detector. The experimental results showed that the standalone heat detector using the Critical-Temperature Switch complied with the Notification of the National Emergency Management Agency. Compared to conventional standalone heat detectors, only 70% of the power was consumed monitoring the fires.

본 연구에서는 임계온도스위치를 이용하여 저전력 단독경보형 정온식 감지기를 개발하였다. 임계온도스위치는 70 ℃에서 저항이 급격하게 감소하는 특성을 나타내는 소자로, 금속-절연체 전이 현상을 이용함으로써 온도 측정에 대한 높은 신뢰성을 보장한다. 또한 임계온도스위치의 금속에서 절연체로 변하는 디지털적인 특성을 이용하여 마이크로컨트롤러 사용 없이 화재를 감지함으로써 단독경보형 정온식 감지기의 소비 전력을 최소화하였다. 시험결과 임계온도스위치를 이용한 단독경보형 정온식 감지기는 소방청 고시 단독경보형 정온식 감지기 시험 조건을 만족했으며, 소비 전력을 측정한 결과 기존 제품 대비 70%의 전력만으로 화재를 감지함을 확인하였다.

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References

  1. National Fire Agency, "Fire Statistical YearBook" (2017).
  2. J. W. Lee, G. H. Ko, H. S. Ryou, Y. J. Jang and W. S. Jung, "Numerical Study on the Effect of Range Surrounding Environment on Detecting Time for Cooking Oil Fire in Kitchen", Journal of Korean Institute of Fire Science & Engineering, Vol. 24, No. 1, pp. 134-139 (2010).
  3. National Emergency Management Agency, "Notification No. 2019-35 of the National Emergency Management Agency" (2019).
  4. S. H. Park and J. Cho, "A Study on the Development of the Single Station Fixed Temperature Detector of Low Power Consumption for Residential Fire Prevention", Journal of Korean Institute of Fire Science & Engineering, Vol. 24, No. 6, pp. 61-68 (2010).
  5. H. T. Kim, B. J. Kim, Y. W. Lee, B. G. Chae, S. J. Yun and K. Y. Kang, "Hole-driven MIT theory, Mott transition in VO2, MoBRiK device", Physica C, Vol. 460, No. 2, pp. 1076-1078 (2007). https://doi.org/10.1016/j.physc.2007.03.356
  6. B. J. Kim, Y. W. Lee, B. G. Chae, S. J. Yun, S. Y. Oh and H. T. Kim, "Temperature Dependence of the First order Metal-Insulator Transition in VO2 and Programmable Critical Temperature Sensor", Applied Physics Letters, Vol. 90, No. 2, p. 023515 (2007). https://doi.org/10.1063/1.2431456
  7. T. Slusar, J. C. Cho, B. J. Kim, S. J. Yun and H. T. Kim, "Epitaxial Growth of Higher Transition-temperature VO2 Films on AlN/Si", APL Materials, Vol. 4, No. 2, p. 026101 (2016). https://doi.org/10.1063/1.4940901
  8. S. K. Jung and H. T. Kim, "Development of CompensationType Fire Detector Using Metal-Insulator-Transition CriticalTemperature Sensor", Fire Science and Engineering, Vol. 28, No. 1, pp. 26-30 (2014). https://doi.org/10.7731/KIFSE.2014.28.1.026
  9. National Emergency Management Agency, "Notification No. 2019-10 of the National Emergency Management Agency" (2019).