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    • 2. 发明申请
    • REAL-TIME MONITORING OF MATERIAL COMPOSITION FOR QUALITY CONTROL
    • 材料成分质量控制实时监测
    • US20160377535A1
    • 2016-12-29
    • US14747962
    • 2015-06-23
    • Empire Technology Development LLC
    • Yansong Gu
    • G01N21/3577G01N33/02G01N21/94G01N33/14
    • G01N21/3577G01N33/025G01N33/14G01N2021/3133G01N2201/0627
    • Technologies are generally described for determination and analysis of an optical profile of a liquid-based material to implement real-time monitoring of a composition of the liquid-based material for quality control. An imaging sub-system may include a plurality of illumination sources configured to illuminate the liquid-based material with light, and one or more detectors. The detectors may be configured to detect light reflected from a first surface of the liquid-based material, light reflected from a second surface of the liquid-based material, and/or light transmitted through the first surface and the second surface of the liquid-based material in response to the illumination. An analytics sub-system coupled to the imaging sub-system may be configured to analyze the detected light to determine an optical profile of the liquid-based material, and monitor the optical profile in real-time to detect changes in the optical profile indicative of corresponding changes to a composition of the liquid-based material.
    • 通常描述技术用于确定和分析液体材料的光学轮廓以实现用于质量控制的液体基材料的组成的实时监测。 成像子系统可以包括被配置为用光照射液体材料的多个照明源和一个或多个检测器。 检测器可以被配置为检测从液体材料的第一表面反射的光,从液体材料的第二表面反射的光和/或透过液体材料的第一表面和第二表面的光, 基于照明的材料。 耦合到成像子系统的分析子系统可以被配置为分析检测到的光以确定基于液体的材料的光学轮廓,并且实时监测光学轮廓以检测指示光学轮廓的光学轮廓的变化 对液体材料的组成的相应变化。
    • 8. 发明申请
    • Device for and Method of Measurement of Chemical Agents Quantity in Gas Medium
    • 气体介质中化学试剂量的测量装置和方法
    • US20080225285A1
    • 2008-09-18
    • US12046063
    • 2008-03-11
    • Mochkin V. Sergeevich
    • Mochkin V. Sergeevich
    • G01J3/00
    • G01J3/457G01J3/4338G01N21/3504G01N21/39G01N2021/3133G01N2021/399
    • Measurement device for chemical agents quantity contained in a gas medium having a source of monochromatic radiation with a wavelength which changes in accordance with time law that is supplied through an optical brancher to an optical modulator, and then into a gas medium to be measured and further into a photoreceiver, whose signal is supplied into a computing block, while another part of the radiation from the optical brancher is supplied into a gas correlating filter, and the radiation which passed through the gas correlating filter is supplied to the auxiliary photoreceivers, whose signal is supplied to the solving block of standard comparison for controlling the optical modulator and the computing block, so that on the photoreceiver, a radiation is supplied only from spectral lines or bands of radiation of the chemical agents to be measured, and signals from a part of spectral radiation in spectral lines and bands which coincide with a spectral lines of bands of absorption of foreign gasses are filtered out.
    • 包含在具有单色辐射源的气体介质中的测量装置,其具有根据通过光学分支器供应到光学调制器的时间定律而变化的波长,然后进入待测量的气体介质 将其信号提供到计算块中的光接收器,而来自光分支器的另一部分辐射被提供给气体相关滤波器,并且通过气体相关滤波器的辐射被提供给辅助光接收器,其信号 被提供给用于控制光调制器和计算块的标准比较的求解块,使得在光接收器上,仅从待测量的化学试剂的光谱线或辐射带提供辐射,并且从部分 光谱辐射在频谱线和带中与吸收带的谱线一致 外界气体被过滤掉。
    • 9. 发明授权
    • Simple multi-channel NDIR gas sensors
    • 简单的多通道NDIR气体传感器
    • US07329870B2
    • 2008-02-12
    • US11198106
    • 2005-08-05
    • Jacob Y. Wong
    • Jacob Y. Wong
    • G01J5/02
    • G01J3/10G01J3/42G01N21/3504G01N21/61G01N2021/3133
    • Concentrations of N gas species can be detected from a single beam NDIR gas sensor having a differential infrared source and an (N+1)-passband filter (having a neutral passband and N absorption passbands for N gases) mounted at a single infrared detector by driving the infrared source with N input power levels to render the source into emitting at N distinct temperatures whose radiation outputs are characterized by N corresponding Planck curves which are dependent only upon the respective source temperatures and which link a Spectral Radiant Emittance MsubLamba with wavelength, measuring N detector outputs at the single infrared detector and detecting the concentrations of N different gas species, each of the N gas species having its own unique infrared absorption passband, by (a) setting up N causality relationship equations linking outputs of the detector respectively for N different source temperatures and a set of relevant parameters of the sensor components, (b) determining the values of all of the parameters for the N equations utilizing appropriate boundary conditions except the N concentrations for the respective N gas species, and (c) solving for the N gas concentrations with the measured N detector outputs, there being N equations and N unknowns, when N is an integer of 2 or more.
    • 可以从安装在单个红外检测器上的具有差分红外源和(N + 1) - 通带滤波器(具有N个气体的中性通带和N个吸收通带)的单个束NDIR气体传感器检测N个气体种类的浓度, 驱动具有N个输入功率电平的红外源,以使源在N个不同的温度下发射,其辐射输出由N个对应的普朗克曲线表征,其仅依赖于相应的源温度,并且将光谱辐射发射MsubLamba与波长连接,测量 在单个红外检测器处输出N个检测器并检测N个不同气体种类的浓度,每个N个气体种类具有其独特的红外吸收通带,通过(a)建立N个因果关系方程,将N个检测器的输出分别连接到N个 不同的源温度和传感器组件的一组相关参数,(b)确定va 使用除N个气体种类的N个浓度之外的适当边界条件的N个方程的所有参数的所有参数,以及(c)用所测量的N个检测器输出求解N个气体浓度,存在N个方程和N个未知数, 当N为2以上的整数时,
    • 10. 发明申请
    • Method of determining the content of SO2 in a beverage product
    • 确定饮料产品中SO2含量的方法
    • US20040238745A1
    • 2004-12-02
    • US10837877
    • 2004-05-03
    • Thorvald PedersenJes Henningsen
    • G01N021/35
    • G01N33/14G01N21/3151G01N21/3504G01N33/0042G01N2001/2229G01N2021/3133
    • A method of determining the content of SO2 in a beverage or food product includes the steps of (a) extracting a sample of a specific volumetric size of the beverage or food product; (b) injecting the sample into a sealed container defining a volume exceeding the volumetric size of the sample for the generation of a gaseous headspace above the sample; (c) allowing the sample to establish in the gaseous headspace a concentration of SO2 representative of the content of SO2 of the beverage or food product; (d) transferring a fraction of the gaseous headspace to an IR measuring apparatus; (e) measuring the content of SO2 of the transferred fraction of the gaseous headspace; and (f) determining the content of SO2 of the beverage or food product on the basis of the measurement of the of the content of SO2 of the transferred fraction of the headspace.
    • 确定饮料或食品中SO 2含量的方法包括以下步骤:(a)提取饮料或食品的特定体积尺寸的样品; (b)将样品注入限定超过样品体积尺寸的体积的密封容器中,以在样品上方产生气体顶部空间; (c)允许样品在气体顶部空间中建立代表饮料或食品的SO 2含量的SO 2浓度; (d)将一部分气态顶空转移到IR测量装置; (e)测量气体顶部空间的转移馏分中SO 2的含量; 和(f)基于所述顶部空间的转移部分的SO 2含量的测量来确定饮料或食品的SO 2含量。