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- W2079870439 abstract "보상식 화재 감지기는 일정한 온도 상승률 이상으로 빠르게 상승하는 경우에 작동하는 차동식 화재 감지기의 기능과 정온점에 이르렀을 때 작동하는 정온식 화재 감지기의 기능을 모두 가진 감지기다. 이 화재 감지기는 정온점 이하에서 발생하는 화재를 감지하지 못하는 정온식 화재 감지기의 단점과 불꽃없이 천천히 타는 현상과 같이 천천히 열이 증가하는 화재를 감지하지 못하는 차동식 화재 감지기의 단점을 보완하기 위해 개발된다. 이것을 위해 우리는 이 감지기의 센서로 금속-절연체 전이 임계온도센서를 이용했는데 이 센서의 감도를 결정하는 저항온도계수가 <TEX>$55^{circ}C$</TEX>일 때 14.15%로써, 서미스터(약 0.5%)보다 큰 값이다. 이 센서는 하나의 센서가 정온점 이하에서는 차동 기능, 정온점 이상에서는 정온 기능을 모두 가진다. A Compensation-type fire detector (CFD) is operated with two functions of a differential-temperature detector and as a fixed-temperature detector. The differential-temperature detector observes a rate of temperature increase, and the fixed-temperature detector measures a given fixed temperature. The differential-temperature detector does not observe the outbreak of fire in slowly increasing temperature conditions, whereas the fixed-temperature detector is not able to observe the outbreak of fire in conditions under predetermined temperature level. We developed a CFD to compensate for weaknesses of both detectors. To compensate for the disadvantages, a sensor of the sensor metal-insulator-transition critical-temperature sensor was used. Temperature coefficient of resistance is the sensitivity for sensor. At <TEX>$55^{circ}C$</TEX>, temperature coefficient of resistance of metal-insulator-transition critical-temperature sensor was 14.15%. Temperature coefficient of resistance of thermistor was about 0.5%. This CFD was operated as two ways that fixed-temperature detector and differential-temperature detector in one sensor." @default.
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- W2079870439 date "2014-02-28" @default.
- W2079870439 modified "2023-10-16" @default.
- W2079870439 title "Development of Compensation-Type Fire Detector Using Metal-Insulator-Transition Critical-Temperature Sensor" @default.
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- W2079870439 doi "https://doi.org/10.7731/kifse.2014.28.1.026" @default.
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