FIRE DETECTOR

To provide a fire detector capable of monitoring fire caused by an object to be monitored that moves in an area to be monitored over time, taking into consideration price and environmental resistance.SOLUTION: A fire detector includes: an infrared array sensor (10) that detects the amount of infrared radiation in an area to be monitored as an individual value for each of a plurality of pixels; and a detection unit (20) that acquires a plurality of detection results with the infrared array sensor while an object to be monitored is moving in the area to be monitored regarding the object to te monitored that is moving in the area to be monitored with the infrared array sensor over time, and determines whether or not a high-temperature object has passed as the object to be monitored based on the detection results.SELECTED DRAWING: Figure 1 【課題】価格および耐環境性を考慮した上で、監視対象領域内を時間経過とともに移動していく被監視対象物体に起因した火災監視を行うことのできる火災検知装置を得る。【解決手段】火災検知装置は、監視対象領域における赤外線量を複数の画素のそれぞれについて個別の値として検知する赤外線アレイセンサ（１０）と、赤外線アレイセンサによる監視対象領域内を時間経過とともに移動していく被監視対象物体に関して、被監視対象物体が監視対象領域を移動中に、赤外線アレイセンサによる複数の検知結果を取得し、該検知結果に基づいて被監視対象物体として高温物体が通過したか否かを判断する検知部（２０）とを備える。【選択図】図１