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    • 1. 发明授权
    • Non-dispersive infrared gas analyzer
    • 非分散型红外线气体分析仪
    • US08044353B2
    • 2011-10-25
    • US12867859
    • 2009-02-15
    • Ralf BitterCamiel HeffelsThomas HörnerLudwig KimmigMartin KionkeMichael Ludwig
    • Ralf BitterCamiel HeffelsThomas HörnerLudwig KimmigMartin KionkeMichael Ludwig
    • G01J5/00
    • G01N21/37G01N21/3504G01N21/61
    • The invention relates to a NDIR-gas analyser comprising an infrared radiation source (1), a measuring vessel (3) containing a gas mixture (4) having a measuring gas component (5) that is to be detected, and a detector device (7) that is arranged behind the measuring vessel that can detect the influence of ageing of the radiation source (1) and optionally dirt deposits in the optical radiation path without interrupting measuring. According to the invention, at least one optopneumatic detector (15) is arranged in the beam path of the radiation source (1), said detector being filled with any gas (16) when arranged between the radiation source (1) and the measuring vessel (3). The concentration of measuring gas components is lower in the detector (15) than in the measuring vessel (3) if filled with the measuring gas components, and said detector is filled with a gas when arranged between the measuring vessel (3) and the detector device (7), the absorption spectrum of the detector being outside of the spectrum of the measuring gas components (5) and other transversal gases in the gas mixture (4). The measuring signal (12) of the detector device (7) is corrected by the detector signal (21) generated by the detector (15).
    • 本发明涉及一种NDIR气体分析仪,其包括红外线辐射源(1),包含具有待检测的测量气体成分(5)的气体混合物(4)的测量容器(3)和检测器装置 7),其布置在测量容器后面,其可以检测辐射源(1)的老化的影响和任选的污垢沉积在光学辐射路径中,而不会中断测量。 根据本发明,至少一个便携式气动检测器(15)被布置在辐射源(1)的光束路径中,当布置在辐射源(1)和测量容器(1)之间时,所述检测器填充有任何气体(16) (3)。 如果填充有测量气体成分,则检测器(15)中测量气体成分的浓度低于测量容器(3)中的浓度,并且当设置在测量容器(3)和检测器 装置(7),检测器的吸收光谱在测量气体组分(5)的光谱之外和气体混合物(4)中的其它横向气体之外。 检测器装置(7)的测量信号(12)由检测器(15)产生的检测器信号(21)进行校正。
    • 2. 发明申请
    • NDIR-two Beam Gas Analyser And Method For Determining The Concentration Of A Measuring Gas Component in a Gas Mixture by means of Said type of Gas Analyser
    • NDIR-2光束气体分析仪和通过所述类型的气体分析仪测定气体混合物中测量气体成分的浓度的方法
    • US20120091346A1
    • 2012-04-19
    • US13321738
    • 2010-05-18
    • Ralf BitterCamiel HeffelsThomas HörnerMartin KionkeMichael Ludwig
    • Ralf BitterCamiel HeffelsThomas HörnerMartin KionkeMichael Ludwig
    • G01J5/54G01J5/10
    • G01N21/3504G01N21/276G01N21/3518G01N2021/3545
    • The invention relates to a NDIR two beam gas analyser in which infrared radiation is guided by modulation in an alternating manner through a measuring chamber and a reference chamber and is subsequently detected, a measurement signal being produced due to the analysis which determines the concentration of a measurement gas component present in the measurement chamber. The detection and compensation of error effects, in particular modifications on the infrared radiation source or detector arrangement, is simplified as a phase imbalance is produced in the switching of the radiation between the chambers, and the measurement signal is detected in a phase-sensitive manner for modulating the radiation, a measurement signal vector (SF) comprising amplitude information and phase information (ΦF) is obtained such that during calibration of the gas analyser for different known concentrations (K1, K2, K3, K4, K5) of the measurement gas components, measurement signal vectors (S1, S2, S3, S4, S5) having different amplitudes and phases are determined, vectors define a characteristic line (43), and when an unknown concentration of the gas component is measured, the unknown concentration of the measurement gas component is determined from the intersection point (45) of an obtained measurement signal vector (SF) or the extension thereof with the characteristic line (43).
    • 本发明涉及一种NDIR双光束气体分析仪,其中红外辐射以交替方式通过测量室和参考室进行调制而引导,随后被检测到,由于分析而产生的测量信号,该测量信号决定了 存在于测量室中的测量气体组分。 误差效应的检测和补偿,特别是对红外辐射源或检测器装置的修改被简化,因为在室之间的辐射切换中产生相位不平衡,并且以相敏感方式检测测量信号 为了调制辐射,获得包括振幅信息和相位信息(ΦF)的测量信号矢量(SF),使得在气体分析器的校准期间,测量气体的不同已知浓度(K1,K2,K3,K4,K5) 确定具有不同幅度和相位的分量,测量信号矢量(S1,S2,S3,S4,S5),向量定义特征线(43),并且当测量未知浓度的气体成分时,未知浓度 从所获得的测量信号向量(SF)的交点(45)或其特征线的延伸确定测量气体成分 (43)。
    • 3. 发明申请
    • Non-Dispersive Infrared Gas Analyzer
    • 非分散红外气体分析仪
    • US20110032514A1
    • 2011-02-10
    • US12867859
    • 2009-02-15
    • Ralf BitterCamiel HeffelsThomas HörnerLudwig KimmigMartin KionkeMichael Ludwig
    • Ralf BitterCamiel HeffelsThomas HörnerLudwig KimmigMartin KionkeMichael Ludwig
    • G01J3/00G01N21/00
    • G01N21/37G01N21/3504G01N21/61
    • The invention relates to a NDIR-gas analyser comprising an infrared radiation source (1), a measuring vessel (3) containing a gas mixture (4) having a measuring gas component (5) that is to be detected, and a detector device (7) that is arranged behind the measuring vessel that can detect the influence of ageing of the radiation source (1) and optionally dirt deposits in the optical radiation path without interrupting measuring. According to the invention, at least one optopneumatic detector (15) is arranged in the beam path of the radiation source (1), said detector being filled with any gas (16) when arranged between the radiation source (1) and the measuring vessel (3). The concentration of measuring gas components is lower in the detector (15) than in the measuring vessel (3) if filled with the measuring gas components, and said detector is filled with a gas when arranged between the measuring vessel (3) and the detector device (7), the absorption spectrum of the detector being outside of the spectrum of the measuring gas components (5) and other transversal gases in the gas mixture (4). The measuring signal (12) of the detector device (7) is corrected by the detector signal (21) generated by the detector (15).
    • 本发明涉及一种NDIR气体分析仪,其包括红外线辐射源(1),包含具有待检测的测量气体成分(5)的气体混合物(4)的测量容器(3)和检测器装置 7),其布置在测量容器后面,其可以检测辐射源(1)的老化的影响和任选的污垢沉积在光学辐射路径中,而不会中断测量。 根据本发明,至少一个便携式气动检测器(15)被布置在辐射源(1)的光束路径中,当布置在辐射源(1)和测量容器(1)之间时,所述检测器填充有任何气体(16) (3)。 如果填充有测量气体成分,则检测器(15)中测量气体成分的浓度低于测量容器(3)中的浓度,并且当设置在测量容器(3)和检测器 装置(7),检测器的吸收光谱在测量气体组分(5)的光谱之外和气体混合物(4)中的其它横向气体之外。 检测器装置(7)的测量信号(12)由检测器(15)产生的检测器信号(21)进行校正。
    • 9. 发明授权
    • Detector arrangement for a nondispersive infrared gas analyzer and method for the detection of a measuring gas component in a gas mixture by means of such a gas analyzer
    • 用于非分散红外线气体分析仪的检测器装置和通过这种气体分析器检测气体混合物中的测量气体成分的方法
    • US08158945B2
    • 2012-04-17
    • US12598488
    • 2008-04-25
    • Ralf BitterCamiel HeffelsThomas Hörner
    • Ralf BitterCamiel HeffelsThomas Hörner
    • G01J5/00
    • G01N21/3504G01N21/3518G01N21/37G01N21/61
    • A detector arrangement for detection of a measuring gas component in a gas mixture is provided. The arrangement includes a gas analyzer, a first single-layer receiver and a further single-layer receiver, the first single-layer receiver containing the measuring gas component and the further single-layer receiver containing a transverse gas. A concentration of the measuring gas component in the gas mixture is determined from signals delivered by sensors of the single-layer receivers. An evaluating device includes an n-dimensional calibration matrix for obtaining matrix signal values. Signal values of different known concentrations of the measuring gas component in the presence of different known transverse gas concentrations are stored as n-tubules in the evaluating device. The concentration of the measuring gas component in the presence of unknown transverse gas concentrations is determined by comparing n-tuples of signal values thereby obtained with the n-tuples of signal values stored in the calibration matrix.
    • 提供了一种用于检测气体混合物中的测量气体成分的检测器装置。 该装置包括气体分析器,第一单层接收器和另外的单层接收器,第一单层接收器包含测量气体组分,另外的单层接收器包含横向气体。 气体混合物中的测量气体成分的浓度由单层接收器的传感器传送的信号确定。 评估装置包括用于获得矩阵信号值的n维校准矩阵。 在存在不同已知横向气体浓度的情况下,测量气体组分的不同已知浓度的信号值作为n小管存储在评估装置中。 通过将由此获得的信号值的n元组与存储在校准矩阵中的信号值的n元组进行比较来确定在存在未知横向气体浓度的情况下测量气体成分的浓度。
    • 10. 发明申请
    • Detector Arrangement for a Nondispersive Infrared Gas Analyzer and Method for the Detection of a Measuring Gas Component in a Gas Mixture by Means of Such a Gas Analyzer
    • 用于非分散红外线气体分析仪的检测器装置和通过这种气体分析器检测气体混合物中的测量气体成分的方法
    • US20100134784A1
    • 2010-06-03
    • US12598488
    • 2008-04-25
    • Ralf BitterCamiel HeffelsThomas Hömer
    • Ralf BitterCamiel HeffelsThomas Hömer
    • G01N21/35
    • G01N21/3504G01N21/3518G01N21/37G01N21/61
    • A detector arrangement for detection of a measuring gas component in a gas mixture is provided. The arrangement includes a gas analyzer, a first single-layer receiver and a further single-layer receiver, the first single-layer receiver containing the measuring gas component and the further single-layer receiver containing a transverse gas. A concentration of the measuring gas component in the gas mixture is determined from signals delivered by sensors of the single-layer receivers. An evaluating device includes an n-dimensional calibration matrix for obtaining matrix signal values. Signal values of different known concentrations of the measuring gas component in the presence of different known transverse gas concentrations are stored as n-tubules in the evaluating device. The concentration of the measuring gas component in the presence of unknown transverse gas concentrations is determined by comparing n-tuples of signal values thereby obtained with the n-tuples of signal values stored in the calibration matrix.
    • 提供了一种用于检测气体混合物中的测量气体成分的检测器装置。 该装置包括气体分析器,第一单层接收器和另外的单层接收器,第一单层接收器包含测量气体组分,另外的单层接收器包含横向气体。 气体混合物中的测量气体成分的浓度由单层接收器的传感器传送的信号确定。 评估装置包括用于获得矩阵信号值的n维校准矩阵。 在存在不同已知横向气体浓度的情况下,测量气体组分的不同已知浓度的信号值作为n小管存储在评估装置中。 通过将由此获得的信号值的n元组与存储在校准矩阵中的信号值的n元组进行比较来确定在存在未知横向气体浓度的情况下测量气体成分的浓度。