A method and device for detecting whether a gas to be measured contains water molecules
A technology for gas and water molecules to be measured, applied in the direction of measuring devices, analysis materials, material excitation analysis, etc., can solve the problems of detection value deviation, fluorescence detection troubles, and inability to obtain detection results, etc., to ensure accuracy and reduce effect of difficulty
Active Publication Date: 2021-07-20
BEIJING HTNOVA DETECTION TECH CO LTD
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Problems solved by technology
However, if the substance to be tested is wet or liquid, it will cause great trouble to fluorescence detection.
Because although fluorescent molecules do not undergo fluorescence quenching reactions with water molecules, water molecules will hinder the propagation of excitation light, causing the detection value to shift, and correct detection results cannot be obtained
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[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.
[0044] The present invention provides a detection method for gases containing water molecules, such as figure 1 As shown, the method includes:
[0045] Step 101, sel...
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The invention discloses a method and a system for detecting whether a gas to be measured contains water molecules. The method includes: step 1, selecting n detection points in the gas detection channel, and setting fluorescent molecules on the first detection point; step 2, transmitting the light with the first wavelength to the first detection point on the gas detection channel point, so that the light with a wavelength of the second wavelength is transmitted to the second detection point, ..., the nth detection point on the gas detection channel; step 3, after the gas to be measured enters the gas detection channel through the gas inlet of the gas detection channel, Collect the light intensity change curves of the light with the wavelength of the second wavelength at n detection points respectively to obtain the first light intensity change curve, the second light intensity change curve, ..., the nth light intensity change curve; step 4, based on the first The light intensity change curve, the second light intensity change curve, ..., the light intensity drop information and the light intensity recovery information indicated by the nth light intensity change curve determine whether the gas to be measured contains water molecules.
Description
technical field [0001] The invention relates to the field of gas detection, in particular to a method and a device for detecting whether a gas to be measured contains water molecules. Background technique [0002] At present, when the gas is detected, if the gas contains water molecules, accurate detection results cannot be obtained. [0003] For example, for the detection devices currently on the market based on the reaction principle of fluorescent polymer molecules or fluorescent self-assembled small molecules, when sampling, most of them use a wipe to wipe the substance to be tested, and then detect it. However, if the substance to be tested is wet or liquid, it will bring great troubles to fluorescence detection. Because although fluorescent molecules do not undergo fluorescence quenching reactions with water molecules, water molecules will hinder the propagation of excitation light, causing the detection value to shift, and correct detection results cannot be obtained...
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IPC IPC(8): G01N21/64
CPCG01N21/643G01N2021/6432
Inventor 韩俊蒋剑袁丁汪强吴红彦
Owner BEIJING HTNOVA DETECTION TECH CO LTD