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    • 12. 发明申请
    • INFRARED GAS DETECTOR WITH SECONDARY SENSOR
    • 具有二次传感器的红外气体探测器
    • WO2017072159A1
    • 2017-05-04
    • PCT/EP2016/075765
    • 2016-10-26
    • INFICON GMBH
    • HELLGREN, JohanVENNERBERG, HenrikENQUIST, Fredrik
    • G01N21/3504G01N33/00
    • G01N33/0022G01N21/3504G01N21/61G01N33/0032
    • Container (1) made of a plastic material, provided with a base (7) including a standing ring (8) forming a support flange (9) and a diaphragm (11) extending from the standing ring (8) to a central portion (10), said diaphragm (11) being capable of standing in an outwardly- inclined position, wherein the diaphragm (11) connects to the standing ring (8) at an outer junction (12) forming an outer articulation of the diaphragm (11); wherein the diaphragm (11) connects to the central portion (10) at an inner junction (13) forming an inner articulation of the diaphragm (11); whereby said diaphragm (11) is invertible with respect to the standing ring (8) from the outwardly-inclined position to an inwardly- inclined position; and wherein, in the outwardly-inclined position, the diaphragm (11) has an outer curved portion (16) and an inner curved portion (17) of opposite curvatures.
    • 由塑料材料制成的容器(1)具有包括形成支撑凸缘(9)的直立环(8)的底座(7)和从该直立环延伸的隔膜(11) (8)连接到中心部分(10),所述隔膜(11)能够站立在向外倾斜的位置,其中所述隔膜(11)在外部接合点(12)处连接到所述直立环(8),形成 隔膜(11)的外部铰接; 其中所述隔膜(11)在形成所述隔膜(11)的内部关节的内部接合点(13)处连接到所述中心部分(10); 由此所述隔膜(11)能够相对于所述直立环(8)从所述向外倾斜位置翻转到向内倾斜的位置; 并且其中,在向外倾斜的位置中,隔膜(11)具有相对曲率的外弯曲部分(16)和内弯曲部分(17)。
    • 15. 发明申请
    • GAS DETECTION APPARATUS AND METHOD
    • 气体检测装置和方法
    • WO2017017397A1
    • 2017-02-02
    • PCT/GB2016/050055
    • 2016-01-11
    • GAS MEASUREMENT INSTRUMENTS LIMITED
    • MASSIE, CrawfordMATHIESON, FraserGLENDINNING, Andrew
    • G01N21/3504G01J1/16G01N21/31
    • G01N21/3504G01J1/1626G01J2001/161G01N21/314G01N2021/3166G01N2201/1215
    • A method of identifying the presence of a first gas such as methane within a sample, for example containing natural gas. A detector is provided having a sensor responsive to a first wavelength, a sensor responsive to a second wavelength, and a sensor for collecting reference readings. A gas sample is analysed to obtain a first absorption reading corresponding to the first wavelength, a second absorption reading corresponding to the second wavelength and a reference reading. A first absorption figure is calculated using the first absorption reading and the reference reading, and a second absorption figure using the second absorption reading and the reference reading. A lineariser function is applied to each of the first and second absorption figures to calculate first and second concentration figures. The sensor for each wavelength is calibrated for detecting the first gas such that the data collected at each wavelength gives the same reading when only said first gas is present in a sample. The ratio of the first concentration figure to the second concentration figure is then calculated, and the ratio used to identify whether only the first gas is present in the sample.
    • 识别样品内例如含有天然气的第一气体如甲烷的存在的方法。 提供了一种检测器,其具有响应于第一波长的传感器,响应于第二波长的传感器以及用于收集参考读数的传感器。 分析气体样本以获得对应于第一波长的第一吸收读数,对应于第二波长的第二吸收读数和参考读数。 使用第一吸收读数和参考读数来计算第一吸收图,并且使用第二吸收读数和参考读数来计算第二吸收图。 将线性化函数应用于第一和第二吸收图中的每一个以计算第一和第二浓度图。 每个波长的传感器被校准用于检测第一气体,使得当在样品中仅存在所述第一气体时,在每个波长处收集的数据给出相同的读数。 然后计算第一浓度数字与第二浓度数字的比率,并且该比率用于识别样品中是否仅存在第一种气体。
    • 20. 发明申请
    • INTEGRATED BREATH ALCOHOL SENSOR SYSTEM
    • 一体化酒精传感器系统
    • WO2016195803A1
    • 2016-12-08
    • PCT/US2016/026024
    • 2016-04-05
    • AUTOMOTIVE COALITION FOR TRAFFIC SAFETY, INC.
    • MARTIN, Hans, Göran EvaldRÖDJEGÅRD, HenrikHENNING, Jan-ÅkeZYRIANOV, Pavel
    • G01N21/3504G01N21/31G01N21/03G01N21/15
    • G01N33/4972G01N21/031G01N21/0332G01N21/314G01N21/3504G01N33/0026G01N33/0031G01N33/004G01N2021/158G01N2021/3196G01N2201/068G01N2201/128
    • Systems, apparatus and methods determine the presence of a volatile substance in expired breath. Alcohol concentrations can be determined from expired breath through the use of electromagnetic detection. The systems, apparatus and methods allow measurements of volatile substances to be done accurately and quickly over a wide range of temperatures, and are easily incorporated into vehicles. An breath test system according to the invention comprises an air inlet (102) configured to receive an air flow for a breath sample; a detection cavity connected to the air inlet in which the air flow circulates, and comprising a first electromagnetic detection path configured to generate a first signal based on the presence of a reference gas in the air flow and a second electromagnetic detection path configured to generate a second signal based on the presence of a volatile substance in the air flow; and a logic in signal communication with the first detection path and the second detection path configured to determine a concentration of the volatile substance in the air flow based on the first signal and the second signal. The first and second electromagnetic detection paths may comprise thermally isolated emitters (108, 116) and detectors (106, 114), wherein the detectors (106,114) are selective of infrared absorption frequencies. The system may operate at temperatures greater than the ambient temperature and greater than the dew point.
    • 系统,装置和方法确定呼吸中呼吸中存在挥发性物质。 酒精浓度可以通过使用电磁检测从呼气呼气确定。 系统,装置和方法允许在宽范围的温度下准确且快速地测量挥发性物质,并且容易地并入车辆中。 根据本发明的呼吸测试系统包括:空气入口(102),其构造成接收用于呼吸样本的空气流; 连接到气流循环的空气入口的检测腔,并且包括第一电磁检测路径,其被配置为基于空气流中的参考气体的存在产生第一信号;以及第二电磁检测路径,其被配置为产生 基于空气流中挥发性物质的存在的第二信号; 以及与第一检测路径和第二检测路径进行信号通信的逻辑,被配置为基于第一信号和第二信号来确定空气流中的挥发性物质的浓度。 第一和第二电磁检测路径可以包括热隔离发射器(108,116)和检测器(106,114),其中检测器(106,114)是红外吸收频率的选择。 该系统可以在高于环境温度并大于露点的温度下工作。