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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

US11002579B2 Addressability in particle detection 有权
公开(公告)号：US11002579B2
公开(公告)日：2021-05-11
申请号：US16706408
申请日：2019-12-06
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 , G08B17/10 , G01N1/24 , G01N15/14 , G01N15/06 , G08B17/113 , G01N15/00
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.

4. 发明申请

US20150253165A1 ADDRESSABILITY IN PARTICLE DETECTION 审中-公开
标题翻译：颗粒检测中的可接近性
公开(公告)号：US20150253165A1
公开(公告)日：2015-09-10
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.
摘要翻译：一种确定烟雾进入烟雾检测系统的至少一个入口点的方法，所述系统具有采样管网络，所述采样管网络包括至少一个采样管道和多个采样入口，空气样品通过所述取样管线进入所述至少一个采样管道的烟雾检测系统，用于由粒子检测器分析，所述方法包括：从预定事件或对应于所述体积的值确定经过烟雾检测系统的至少一部分的样品空气的体积; 以及至少部分地基于确定的体积或值，确定多个采样入口中的烟进入烟检测系统的哪个采样入口。还描述了用于实现这种方法和相关方法的系统。

5. 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.

6. 发明授权

US09291555B2 Method of detecting particles by detecting a variation in scattered radiation 有权
公开(公告)号：US09291555B2
公开(公告)日：2016-03-22
申请号：US14636840
申请日：2015-03-03
申请人： Xtralis Technologies Ltd.
发明人： Ron Knox , Kate Cooper , Peter Meikle , Brian Alexander
IPC分类号： G06K9/00 , G01N21/53 , G01S7/48 , G01S7/481 , G01S7/497 , G01S17/89 , G08B17/103 , G08B17/107 , G08B17/12 , G06K9/46 , G01N21/84 , G01N21/85
CPC分类号： G01N21/53 , G01N15/1434 , G01N21/84 , G01N21/85 , G01N2201/06113 , G01N2201/12 , G01S7/4802 , G01S7/4811 , G01S7/497 , G01S17/89 , G06K9/46 , G08B17/10 , G08B17/103 , G08B17/107 , G08B17/125
摘要： A smoke detecting method which uses a beam of radiation such as a laser (16), to monitor a region, such as a room (12). A camera (14) is used to capture images of part of the room (12), including a path of the laser beam. Particles in the laser beam scatter light (30), and this is captured by the camera (14) for analysis. A processor (20) extracts data relating to the scattered light (30) to determine the density of particles in the beam, to determine the level of smoke in the region. The laser may have a modulated output (38) so that images captured without the laser tuned “on” can be used as a reference point and compared to images taken with the laser turned “on”, to assist in determining the level of scattered light (30) compared to ambient light. Filters (24, 26) may be used to decrease signals generated from background light.

7. 发明授权

US09470627B2 Detection of particle characteristics 有权
公开(公告)号：US09470627B2
公开(公告)日：2016-10-18
申请号：US14833785
申请日：2015-08-24
申请人： Xtralis Technologies Ltd
发明人： Brian Alexander , Nitin Vayeda , Kemal Ajay
IPC分类号： G01N15/02 , G01N21/53 , G08B17/10 , G08B17/107 , G08B29/26 , G01F1/66 , G01N15/06 , G01N15/14 , G01N21/47
CPC分类号： G01N21/53 , G01F1/667 , G01N15/06 , G01N15/1434 , G01N2015/0693 , G01N2021/4733 , G01N2201/061 , G01N2201/062 , G08B17/10 , G08B17/107 , G08B17/113 , G08B29/26
摘要： A method of detecting particles in an air flow is described. The method includes receiving a signal indicative of light intensity scattered from the air flow at a plurality of wavelengths and processing the signal indicative of the intensity of received light at each of the wavelengths and a corresponding wavelength dependent parameter to generate an output signal indicative of at least one characteristic of particles in the air flow. A particle detection system is also described.

8. 发明授权

US09423344B2 Method of detecting particles by detecting a variation in scattered radiation 有权
公开(公告)号：US09423344B2
公开(公告)日：2016-08-23
申请号：US15015787
申请日：2016-02-04
申请人： Xtralis Technologies Ltd.
发明人： Ron Knox , Kate Cooper , Peter Meikle , Brian Alexander
IPC分类号： G06K9/00 , G01N21/53 , G01N21/85 , G01N15/14 , G06K9/46 , G08B17/10
CPC分类号： G01N21/53 , G01N15/1434 , G01N21/84 , G01N21/85 , G01N2201/06113 , G01N2201/12 , G01S7/4802 , G01S7/4811 , G01S7/497 , G01S17/89 , G06K9/46 , G08B17/10 , G08B17/103 , G08B17/107 , G08B17/125
摘要： A smoke detecting method which uses a beam of radiation such as a laser (16), to monitor a region, such as a room (12). A camera (14) is used to capture images of part of the room (12), including a path of the laser beam. Particles in the laser beam scatter light (30), and this is captured by the camera (14) for analysis. A processor (20) extracts data relating to the scattered light (30) to determine the density of particles in the beam, to determine the level of smoke in the region. The laser may have a modulated output (38) so that images captured without the laser tuned “on” can be used as a reference point and compared to images taken with the laser turned “on”, to assist in determining the level of scattered light (30) compared to ambient light. Filters (24, 26) may be used to decrease signals generated from background light.

9. 发明申请

US20160033400A1 DETECTION OF PARTICLE CHARACTERISTICS 有权
标题翻译：颗粒特性的检测
公开(公告)号：US20160033400A1
公开(公告)日：2016-02-04
申请号：US14833785
申请日：2015-08-24
申请人： Xtralis Technologies Ltd
发明人： Brian Alexander , Nitin Vayeda , Kemal Ajay
IPC分类号： G01N21/53 , G01N15/14 , G01N15/06 , G01F1/66
CPC分类号： G01N21/53 , G01F1/667 , G01N15/06 , G01N15/1434 , G01N2015/0693 , G01N2021/4733 , G01N2201/061 , G01N2201/062 , G08B17/10 , G08B17/107 , G08B17/113 , G08B29/26
摘要： A method of detecting particles in an air flow is described. The method includes receiving a signal indicative of light intensity scattered from the air flow at a plurality of wavelengths and processing the signal indicative of the intensity of received light at each of the wavelengths and a corresponding wavelength dependent parameter to generate an output signal indicative of at least one characteristic of particles in the air flow. A particle detection system is also described.
摘要翻译：描述了一种在空气流中检测颗粒的方法。该方法包括：接收指示从多个波长的空气流散射的光强度的信号，并且处理指示在每个波长处的接收光的强度的信号和相应的波长相关参数，以产生指示在空气流中颗粒的最小特征。还描述了粒子检测系统。

10. 发明授权

US09002065B2 Method of detecting particles by detecting a variation in scattered radiation 有权
标题翻译：通过检测散射辐射的变化来检测颗粒的方法
公开(公告)号：US09002065B2
公开(公告)日：2015-04-07
申请号：US14089315
申请日：2013-11-25
申请人： Xtralis Technologies Ltd
发明人： Ron Knox , Karl Boettger , Peter Meikle , Brian Alexander
IPC分类号： G06K9/00 , G01N21/84 , G01S7/48 , G01S7/481 , G01S7/497 , G01S17/89 , G08B17/103 , G08B17/107 , G08B17/12 , G06K9/46 , G01N21/53
CPC分类号： G01N21/53 , G01N15/1434 , G01N21/84 , G01N21/85 , G01N2201/06113 , G01N2201/12 , G01S7/4802 , G01S7/4811 , G01S7/497 , G01S17/89 , G06K9/46 , G08B17/10 , G08B17/103 , G08B17/107 , G08B17/125
摘要： A smoke detecting method which uses a beam of radiation such as a laser (16), to monitor a region, such as a room (12). A camera (14) is used to capture images of part of the room (12), including a path of the laser beam. Particles in the laser beam scatter light (30), and this is captured by the camera (14) for analysis. A processor (20) extracts data relating to the scattered light (30) to determine the density of particles in the beam, to determine the level of smoke in the region. The laser may have a modulated output (38) so that images captured without the laser tuned “on” can be used as a reference point and compared to images taken with the laser turned “on”, to assist in determining the level of scattered light (30) compared to ambient light. Filters (24, 26) may be used to decrease signals generated from background light.
摘要翻译：使用诸如激光（16）的辐射束的烟雾检测方法来监视诸如房间（12）的区域。相机（14）用于捕获包括激光束的路径的房间（12）的一部分的图像。激光束中的粒子散射光（30），并且由相机（14）捕获用于分析。处理器（20）提取与散射光（30）相关的数据，以确定光束中的粒子的密度，以确定该区域中的烟雾水平。激光器可以具有调制输出（38），使得在没有激光调谐为“开”的情况下拍摄的图像可以用作参考点，并且与激光器“打开”拍摄的图像进行比较，以帮助确定散射光的水平（30）与环境光相比。滤波器（24,26）可用于减少从背景光产生的信号。

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