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    Particle detection
    1.
    发明授权
    Particle detection 有权

    公开(公告)号：US09702803B2

    公开(公告)日：2017-07-11

    申请号：US14687969

    申请日：2015-04-16

    Applicant: Xtralis Technologies Ltd.

    Inventor： Ron Knox ,  Kemal Ajay ,  Karl Boettger

    IPC: G01N21/00 ,  G01N15/06 ,  G08B17/12 ,  G01N21/53 ,  H04N5/32 ,  H04N7/18 ,  G08B29/18

    CPC classification number: G01N15/06 ,  G01N21/53 ,  G01N2015/0693 ,  G08B17/125 ,  G08B29/18 ,  G08B29/185 ,  H04N5/32 ,  H04N7/18

    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 analyze (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).

    MULTI-MODE DETECTION
    2.
    发明申请
    MULTI-MODE DETECTION 审中-公开
    多模式检测

    公开(公告)号：US20150213697A1

    公开(公告)日：2015-07-30

    申请号：US14405719

    申请日：2013-06-07

    Applicant: Xtralis Technologies Ltd

    Inventor： Ron Knox ,  Matthew Naylor ,  Kemal Ajay ,  Rajiv Singh

    IPC: G08B17/10 ,  G06T7/40

    CPC classification number: G08B17/10 ,  G06T7/40 ,  G06T2207/10016 ,  G06T2207/30232 ,  G08B17/113 ,  G08B17/125 ,  G08B29/183

    Abstract: The invention relates to a particle detector, systems, and methods for detecting the presence of particles in a volume of air, most particularly it relates to detection systems and methods that use multiple modes of detection to detect the presence of particles. Preferably the particles being detected are particles that indicate an actual or incipient fire, or pyrolysis, such as smoke.

    Abstract translation: 本发明涉及用于检测一定体积空气中的颗粒的存在的颗粒检测器，系统和方法，特别涉及使用多种检测模式来检测颗粒存在的检测系统和方法。 优选地，被检测的颗粒是指示实际的或初期的火，或热解，例如烟雾的颗粒。

    Addressability in particle detection
    4.
    发明授权
    Addressability in particle detection 有权

    公开(公告)号：US10545041B2

    公开(公告)日：2020-01-28

    申请号：US14433201

    申请日：2013-10-16

    Applicant: Xtralis Technologies, Ltd.

    Inventor： Kemal Ajay ,  Ron Knox ,  Brian Alexander ,  Karl Boettger ,  Rajiv Kumar Singh ,  Thor North ,  Stephen James Pattinson ,  Peter Massingberd-Mundy

    IPC: G01F1/66 ,  G01N15/14

    Abstract: A method of determining at least one point of entry of smoke into a smoke detection system, the system having a sampling pipe network including at least one sampling pipe and a plurality of sampling inlets through which an air sample can enter the at least one sampling pipe of the smoke detection system for analysis by a particle detector, said method including: determining a volume of sample air that has passed through at least part of the smoke detection system since a predetermined event or a value corresponding to said volume; and determining through which sampling inlet of the plurality of sampling inlets the smoke entered the smoke detection system based, at least in part, on the determined volume or value. Systems for implementing such a method and related methods are also described.

    PARTICLE DETECTION
    7.
    发明申请
    PARTICLE DETECTION 有权
    颗粒检测

    公开(公告)号：US20140306113A1

    公开(公告)日：2014-10-16

    申请号：US14318033

    申请日：2014-06-27

    Applicant: Xtralis Technologies Ltd

    Inventor： Ron Knox ,  Karl Boettger ,  Kemal Ajay

    IPC: G01N21/49

    CPC classification number: G01N21/53 ,  G01N15/0205 ,  G01N15/0227 ,  G01N15/1434 ,  G01N21/49 ,  G01N21/538 ,  G01N2201/0621 ,  G01N2201/0696 ,  G08B17/107 ,  G08B17/113

    Abstract: A particle detection system including; at least one light source adapted to illuminate a volume being monitored at at least two wavelengths; a receiver having a field of view and being adapted to receive light from at least one light source after said light has traversed the volume being monitored and being adapted to generate signals indicative of the intensity of light received at regions within the field of view of the receiver; a processor associated with the receiver adapted to process the signals generated by the receiver to correlate light received at at least two wavelengths in corresponding regions within the field of view of the receiver and generate an output indicative of the relative level of light received at the two wavelengths.

    Abstract translation: 一种粒子检测系统，包括： 至少一个光源，其适于照亮在至少两个波长处被监测的体积; 具有视场的接收器，并且适于在所述光已经穿过被监视的体积之后接收来自至少一个光源的光，并且适于产生指示在所述视场内的区域中接收的光的强度的信号 接收器 与所述接收器相关联的处理器，其适于处理由所述接收器产生的信号，以将在所述接收机的视场内的相应区域中的至少两个波长处接收的光相关联，并且生成指示在所述两个接收器处接收的光的相对电平的输出 波长。

    PARTICLE DETECTORS
    9.
    发明申请
    PARTICLE DETECTORS 有权
    颗粒检测器

    公开(公告)号：US20140340892A1

    公开(公告)日：2014-11-20

    申请号：US14451330

    申请日：2014-08-04

    Applicant: Xtralis Technologies Ltd

    Inventor： Ron Knox ,  Karl Boettger ,  Kemal Ajay

    IPC: F21K99/00 ,  G01N21/53

    CPC classification number: G01N21/53 ,  F21K9/00 ,  G01N15/0205 ,  G01N15/10 ,  G01N15/1434 ,  G01N15/1459 ,  G01N21/538 ,  G01N2201/061 ,  G01N2201/062 ,  G01N2201/0621 ,  G01N2201/0627 ,  G01N2201/0633 ,  G01N2201/0696

    Abstract: A beam detector including a light source, a receiver, and a target, acting in cooperation to detect particles in a monitored area. The target reflects incident light, resulting in reflected light being returned to receiver. The receiver is capable of recording and reporting light intensity at a plurality of points across its field of view. In the preferred form the detector emits a first light beam in a first wavelength band; a second light beam in a second wavelength band; and a third light beam in a third wavelength band, wherein the first and second wavelengths bands are substantially equal and are different to the third wavelength band.

    Abstract translation: 一种包括光源，接收器和目标的光束检测器，其协同作用以检测被监视区域中的微粒。 目标反射入射光，导致反射光返回到接收器。 接收机能够在整个视场的多个点上记录和报告光强度。 在优选形式中，检测器发射第一波长带中的第一光束; 在第二波长带中的第二光束; 以及第三波长带中的第三光束，其中所述第一和第二波长带基本相等并且与所述第三波长带不同。

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