PARTICLE DETECTION
    3.
    发明申请
    PARTICLE DETECTION 有权
    颗粒检测

    公开(公告)号:US20150241330A1

    公开(公告)日:2015-08-27

    申请号:US14687969

    申请日:2015-04-16

    Abstract: A particle detection system (100), such as an active video smoke detection system, includes at least one illumination means (102) for directing a beam (106) of radiation through at least part of the air volume being monitored (110), an image sensor (104) is positioned to capture images of at least part of a beam (106) from illumination means (102); and means to analyse (107) the captured images to detect the presence of particles within the volume. At least 29 different aspects are described for improving the sensitivity, usability, and robustness of particle detection. These include, for example, configuring illumination means (102) to create a curtain of light or a rapidly-scanned beam across the air volume (110), and configuring a reflector to steer or change direction of a beam reflected from illumination means (102).

    Abstract translation: 诸如有源视频烟雾探测系统的粒子检测系统(100)包括至少一个照射装置(102),用于将辐射束(106)引导通过待监测的空气体积(110)的至少一部分, 图像传感器(104)被定位成从照明装置(102)捕获至少一部分光束(106)的图像; 以及用于分析(107)所捕获的图像以检测所述体积内的颗粒的存在的装置。 描述了至少29个不同的方面来提高粒子检测的灵敏度,可用性和鲁棒性。 这些包括例如配置照明装置(102)以产生跨过空气容积(110)的光幕或快速扫描的光束,并且配置反射器以引导或改变从照明装置(102)反射的光束的方向 )。

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