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    • 5. 发明授权
    • Automatic fire extinguisher with infrared ray responsive type fire
detector
    • 具有红外线响应型火灾探测器的自动灭火器
    • US4648462A
    • 1987-03-10
    • US817091
    • 1986-01-08
    • Takashi Odashima
    • Takashi Odashima
    • A62C37/36G08B17/12A62C37/02
    • A62C37/36G08B17/12
    • An automatic fire extinguisher wherein a fire detector receives infrared rays from started fire flames in detecting area, as unified in the incident amount of the rays, at one of many light receiving elements which corresponds to the ray's incident angle into an assembly of infrared-ray passing filter and condenser lens, variations in detected output of the detector resulting from flaring of the fire flames are discriminated, the detected output higher than a predetermined level controllably drives an ejection nozzle to direct it towards the position of the flames and discharges a fire extinguishant out of the nozzle towards the flames, achieving thus a reliable detection of the fire irrespective of its distance from the detector as well as an effective extinguishment of only such started fire while preventing any erroneous operation due to other infrared ray sources.
    • 一种自动灭火器,其中火灾探测器在对应于射线入射角的许多光接收元件中的一个处接收红外线组件中的一个接收元件,将检测区域中的起始火焰的红外线与入射光量一致, 通过滤光片和聚光透镜,鉴别出火焰火焰的检测器产生的检测输出的变化,高于预定值的检测输出可控制地驱动喷嘴将其引导到火焰位置并排出灭火剂 从喷嘴朝向火焰,从而实现与检测器的距离的可靠的火焰检测,以及仅防止这种开始的火焰的有效熄灭,同时防止由于其它红外线源导致的任何错误操作。