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Apparatus and method for measuring and tracking quantities or concentrations of components in fluids

一种跟踪设备、数量的技术，应用在测量装置、分析材料、空气质量改善等方向，能够解决不能令人满意等问题

Active Publication Date: 2022-07-22
ELICHENS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This delay can be problematic in certain applications where rapid increases or decreases in components considered hazardous or critical in the fluid require precise detection and high reactivity (triggering an alarm or action plan)
Thus, an always unsatisfactory compromise must be found between the efficiency of low-pass filtering and the delay

Method used

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  • Apparatus and method for measuring and tracking quantities or concentrations of components in fluids
  • Apparatus and method for measuring and tracking quantities or concentrations of components in fluids
  • Apparatus and method for measuring and tracking quantities or concentrations of components in fluids

Examples

Experimental program
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Embodiment Construction

[0054] figure 1The apparatus shown, suitable for measuring and tracking the amount or concentration of component C in a fluid F over time, includes a sensor 10 , a signal processing module 12 and a module 14 that processes the data provided by the module 12 .

[0055] Sensor 10 is capable of measuring the amount or concentration of component C in fluid F and providing a quantitative signal that tracks this amount or concentration over time. according to figure 1 By way of specific and non-limiting example, the sensor 10 is a sensor of gaseous species in a gaseous environment of the NDIR type, ie with an infrared emitter 16 and a thermopile detector 18 . In this particular case, fluid F is a gas and component C is a specific gaseous species, and it is desirable to track its quantity or concentration in F. More precisely, the sensor 10 comprises a housing 20 with a first opening 22 through which the gas F to be analyzed enters, and a second opening 24 through which the same ga...

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PUM

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Abstract

The device for measuring and tracking the amount or concentration of component (C) in fluid (F) over time includes a sensor (10) capable of measuring the amount or concentration of component (C) in fluid (F) and providing a follow-up A tracked quantitative signal that tracks the quantity or concentration over time; a signal processing module (12) including a low-pass filter (30) of the tracked quantitative signal; and an output interface (36) for providing the filtered tracked quantitative signal. The signal processing module (12) includes an estimator (32) that tracks the instantaneous trend value of the variation of the quantitative signal over a predetermined sliding time window. It also includes means (34) for adjusting the high cutoff frequency of the low pass filter (30) over time based on the estimated instantaneous trend value of the change.

Description

technical field [0001] The present invention relates to a device for measuring and tracking the amount or concentration of a component in a fluid over time. It also relates to a corresponding method and computer program. Background technique [0002] The invention applies more particularly to a device comprising: [0003] - a sensor capable of measuring the amount or concentration of a component in a fluid and providing a quantitative signal that tracks that amount or concentration over time, [0004] - a signal processing module, including a low-pass filter for the tracked quantitative signal, [0005] - Output interface for providing a filtered tracked quantitative signal. [0006] Industrial applications are numerous for the detection of gaseous, liquid or solid components in any gaseous or liquid fluid. The number of sensors that can be used is also numerous and depends on the intended application. A non-limiting example is the study of certain gaseous species in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/3504
CPCG01N21/3504G01N2201/124G01N15/1404G01N15/1429
Inventor T·T·勒
Owner ELICHENS