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    Aspirated particle detection with various flow modifications
    1.
    发明专利
    Aspirated particle detection with various flow modifications 未知

    公开(公告)号：AU2014336978A1

    公开(公告)日：2016-04-28

    申请号：AU2014336978

    申请日：2014-10-16

    Applicant: XTRALIS TECHNOLOGIES LTD ,  XTRALIS GLOBAL

    Inventor： AJAY KEMAL ,  KNOX RONALD ,  ALEXANDER BRIAN ,  COOPER KATE ,  SINGH RAJIV KUMAR ,  NORTH THOR ,  PATTINSON STEPHEN JAMES ,  MASSINGBARD-MUNDY PETER ,  WILLIAMSON ALASDAIR JAMES

    IPC: G01N1/26 ,  G01N35/08 ,  G08B17/10

    Abstract: A method of particle detection in an aspirated particle detection system, the system having a sampling pipe network and a particle detector. The sampling pipe network includes at least one sampling pipe in fluid communication with the particle detector, a plurality of sampling inlets through which sample air can enter the at least one sampling pipe, and an opening in the at least one sampling pipe upstream of the plurality of sampling inlets, wherein the opening has lower flow impedance than any one of the sampling inlets. The method includes drawing sample air to the particle detector through the air sampling network; analysing 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.

    ASPIRATED PARTICLE DETECTION WITH VARIOUS FLOW MODIFICATIONS
    2.
    发明专利
    ASPIRATED PARTICLE DETECTION WITH VARIOUS FLOW MODIFICATIONS 未知

    公开(公告)号：CA2926732A1

    公开(公告)日：2015-04-23

    申请号：CA2926732

    申请日：2014-10-16

    Applicant: XTRALIS TECHNOLOGIES LTD ,  XTRALIS GLOBAL

    Inventor： AJAY KEMAL ,  KNOX RONALD ,  ALEXANDER BRIAN ,  COOPER KATE ,  SINGH RAJIV KUMAR ,  NORTH THOR ,  PATTINSON STEPHEN JAMES ,  MASSINGBERD-MUNDY PETER ,  WILLIAMSON ALASDAIR JAMES

    IPC: G01N1/26 ,  G01N35/08 ,  G08B17/10

    Abstract: A method of particle detection in an aspirated particle detection system, the system having a sampling pipe network and a particle detector. The sampling pipe network includes at least one sampling pipe in fluid communication with the particle detector, a plurality of sampling inlets through which sample air can enter the at least one sampling pipe, and an opening in the at least one sampling pipe upstream of the plurality of sampling inlets, wherein the opening has lower flow impedance than any one of the sampling inlets. The method includes drawing sample air to the particle detector through the air sampling network; analysing 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.

    PARTICLE DETECTION SYSTEM AND RELATED METHODS
    4.
    发明专利
    PARTICLE DETECTION SYSTEM AND RELATED METHODS 未知

    公开(公告)号：CA2911407A1

    公开(公告)日：2014-12-11

    申请号：CA2911407

    申请日：2014-06-03

    Applicant: XTRALIS TECHNOLOGIES LTD

    Inventor： KNOX RONALD ,  COOPER KATE

    IPC: G08B17/107 ,  G01N15/02

    Abstract: A particle detector, e.g. a smoke detector is described. In one form the detector includes a detection chamber and radiation source emitting a single beam of radiation. The detector also includes a radiation receiving system and an imaging system arranged to receive radiation from a common region of interest. Methods and systems for analysing the output of a particle detector are also disclosed.

    PARTICLE DETECTION
    8.
    发明公开
    PARTICLE DETECTION 有权
    粒子探测

    公开(公告)号：EP2217911A4

    公开(公告)日：2011-12-07

    申请号：EP08849716

    申请日：2008-11-14

    Applicant: XTRALIS TECHNOLOGIES LTD

    Inventor： KNOX RON ,  AJAY KEMAL ,  COOPER KATE

    IPC: G01N21/53 ,  G08B17/107

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

    Abstract: There are described systems for improving the sensitivity, usability, and robustness of particle detection systems (100) adapted to detect particles directly in a volume (110) being monitored, the system (100) including 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 a least part of a beam (106) from an illumination means (102); and means to analyse (107) the captured images to detect the presence of particles within the volume on the basis of radiation captured in the images.

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