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1. 发明授权

US10161837B2 Aspirated particle detection with various flow modifications 有权
公开(公告)号：US10161837B2
公开(公告)日：2018-12-25
申请号：US15029304
申请日：2014-10-16
申请人： Xtralis Technologies Ltd. , Xtralis Global
发明人： Kemal Ajay , Ronald Knox , Brian Alexander , Kate Cooper , Rajiv Kumar Singh , Thor North , Stephen James Pattinson , Peter Massingbard-Mundy , Alasdair James Williamson
IPC分类号： G01N1/16 , G01N1/26 , G08B17/10 , G01N15/06 , G08B17/113 , G01M3/28
摘要： A method of particle detection in an aspirated particle detection system having a sampling pipe network and a particle detector. The method includes drawing sample air to the particle detector through the air sampling network; analyzing the sample air with the particle detector; entering an amplification phase, in the event that a concentration of particles in the sample air greater than a predetermined threshold is detected, to create a plurality of sample air packets in the sampling pipe, wherein each sample air packet corresponds to a sampling inlet and includes an amplified concentration of air drawn from the corresponding sampling inlet; transporting the sample air including the plurality of sample air packets through the sampling pipe to the particle detector; and determining through which sampling inlet any particles entered the particle detection system.

2. 发明申请

US20160223437A1 Aspirated Particle Detection With Various Flow Modifications 审中-公开
标题翻译：具有各种流量修正的吸气颗粒检测
公开(公告)号：US20160223437A1
公开(公告)日：2016-08-04
申请号：US15029304
申请日：2014-10-16
申请人： XTRALIS TECHNOLOGIES LTD , XTRALIS GLOBAL
发明人： Kemal Ajay , Ronald Knox , Brian Alexander , Kate Cooper , Rajiv Kumar Singh , Thor North , Stephen James Pattinson , Peter Massingbard- Mundy , Alasdair James Williamson
IPC分类号： G01N1/26 , G01N15/06
CPC分类号： G01N1/26 , G01M3/2815 , G01N15/06 , G08B17/10 , G08B17/113
摘要： A method of particle detection in an aspirated particle detection system having a sampling pipe network and a particle detector. The method includes drawing sample air to the particle detector through the air sampling network; analyzing the sample air with the particle detector; entering an amplification phase, in the event that a concentration of particles in the sample air greater than a predetermined threshold is detected, to create a plurality of sample air packets in the sampling pipe, wherein each sample air packet corresponds to a sampling inlet and includes an amplified concentration of air drawn from the corresponding sampling inlet; transporting the sample air including the plurality of sample air packets through the sampling pipe to the particle detector; and determining through which sampling inlet any particles entered the particle detection system.
摘要翻译：在具有采样管网和粒子检测器的吸气颗粒检测系统中的颗粒检测方法。该方法包括通过空气采样网将样品空气抽至颗粒检测器; 用粒子检测器分析样品空气; 在检测到样品空气中的颗粒浓度大于预定阈值的情况下进入放大阶段，以在取样管中产生多个样品空气分组，其中每个样品空气分组对应于采样入口，并且包括从相应的取样口抽出的空气的放大浓度; 将包括多个样品空气包的样品空气通过采样管输送到颗粒检测器; 并确定通过哪个采样进口任何颗粒进入颗粒检测系统。

3. 发明授权

US09746363B2 Sensing apparatus and method 有权
公开(公告)号：US09746363B2
公开(公告)日：2017-08-29
申请号：US14516727
申请日：2014-10-17
申请人： Xtralis Technologies Ltd.
发明人： Kemal Ajay , Arjun Vinoo Caprihan , Michael Rezny
IPC分类号： G01F1/66 , G01N1/22 , G01N1/26 , G01N1/28 , G08B17/10 , G01F1/74 , G01N29/024 , G01N15/00 , G01N15/14 , G08B17/113
CPC分类号： G01F1/74 , G01F1/66 , G01F1/667 , G01N1/2205 , G01N1/2273 , G01N1/26 , G01N29/024 , G01N2015/0046 , G01N2015/1486 , G01N2291/0217 , G01N2291/02408 , G01N2291/02836 , G08B17/10 , G08B17/113
摘要： A method of detecting one or more blocked sampling holes in a pipe of an aspirated smoke detector system. The method includes ascertaining the base flow of fluid through a particle detector using a flow sensor; monitoring subsequent flow through the particle detector; comparing the subsequent flow with the base flow; and indicating a fault if the difference between the base flow and the subsequent flow exceeds a predetermined threshold.

4. 发明授权

US09702803B2 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
申请人： Xtralis Technologies Ltd.
发明人： Ron Knox , Kemal Ajay , Karl Boettger
IPC分类号： G01N21/00 , G01N15/06 , G08B17/12 , G01N21/53 , H04N5/32 , H04N7/18 , G08B29/18
CPC分类号： G01N15/06 , G01N21/53 , G01N2015/0693 , G08B17/125 , G08B29/18 , G08B29/185 , H04N5/32 , H04N7/18
摘要： 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).

5. 发明申请

US20150213697A1 MULTI-MODE DETECTION 审中-公开
标题翻译：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
申请人： Xtralis Technologies Ltd
发明人： Ron Knox , Matthew Naylor , Kemal Ajay , Rajiv Singh
IPC分类号： G08B17/10 , G06T7/40
CPC分类号： G08B17/10 , G06T7/40 , G06T2207/10016 , G06T2207/30232 , G08B17/113 , G08B17/125 , G08B29/183
摘要： 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.
摘要翻译：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。

6. 发明授权

US09007223B2 Particle detector, system and method 有权
标题翻译：粒子检测器，系统和方法
公开(公告)号：US09007223B2
公开(公告)日：2015-04-14
申请号：US13936418
申请日：2013-07-08
申请人： Xtralis Technologies Ltd
发明人： Ron Knox , Karl Boettger , Kemal Ajay
IPC分类号： G08B17/10 , G01N21/49 , G01S17/02 , G01S17/87 , G08B17/107 , G08B17/12 , G08B29/24 , G08B25/10 , G08B17/103 , G01S7/487 , G08B29/04 , G01N21/53 , G01S17/95
CPC分类号： G01N21/49 , G01N15/1463 , G01N21/17 , G01N21/532 , G01N33/0031 , G01N2021/1765 , G01N2201/06113 , G01S7/4873 , G01S7/4876 , G01S17/026 , G01S17/87 , G01S17/95 , G08B17/103 , G08B17/107 , G08B17/117 , G08B17/125 , G08B25/10 , G08B29/043 , G08B29/185 , G08B29/24 , Y02A90/19
摘要： The invention provides use of one or more emitted beams of radiation (16), for example, laser beam(s), in combination with an image capturing means (14), for example, one or more video cameras and/or optical elements to detect particles (30), for example, smoke particles, located in an open space (12).
摘要翻译：本发明提供了与图像捕获装置（14），例如一个或多个摄像机和/或光学元件结合使用一个或多个发射的辐射束（16），例如激光束，检测位于开放空间（12）中的颗粒（30），例如烟雾颗粒。

7. 发明授权

US10545041B2 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
申请人： Xtralis Technologies, Ltd.
发明人： Kemal Ajay , Ron Knox , Brian Alexander , Karl Boettger , Rajiv Kumar Singh , Thor North , Stephen James Pattinson , Peter Massingberd-Mundy
IPC分类号： G01F1/66 , G01N15/14
摘要： 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.

8. 发明授权

US09448168B2 Particle detectors 有权
公开(公告)号：US09448168B2
公开(公告)日：2016-09-20
申请号：US14738371
申请日：2015-06-12
申请人： Xtralis Technologies Ltd
发明人： Ronald Knox , Kate Cooper , Kemal Ajay
IPC分类号： G01N21/00 , G01N21/53 , G01N15/02 , G01N15/14 , F21K99/00 , G01N15/10
CPC分类号： 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
摘要： 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.

9. 发明申请

US20140306113A1 PARTICLE DETECTION 有权
标题翻译：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
申请人： Xtralis Technologies Ltd
发明人： Ron Knox , Karl Boettger , Kemal Ajay
IPC分类号： G01N21/49
CPC分类号： G01N21/53 , G01N15/0205 , G01N15/0227 , G01N15/1434 , G01N21/49 , G01N21/538 , G01N2201/0621 , G01N2201/0696 , G08B17/107 , G08B17/113
摘要： 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.
摘要翻译：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。

10. 发明申请

US20170184496A1 PARTICLE DETECTION 审中-公开
公开(公告)号：US20170184496A1
公开(公告)日：2017-06-29
申请号：US15456246
申请日：2017-03-10
申请人： Xtralis Technologies Ltd
发明人： Ronald Knox , Kate Cooper , Kemal Ajay
IPC分类号： G01N21/53 , G01N15/14
CPC分类号： G01N21/53 , G01N15/0205 , G01N15/0227 , G01N15/1434 , G01N21/49 , G01N21/538 , G01N2201/0621 , G01N2201/0696 , G08B17/107 , G08B17/113
摘要： 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.

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