An indoor fine particle monitor
A technology of tiny particles and monitors, applied in particle suspension analysis, measuring devices, scientific instruments, etc., can solve the problems of deviation of measurement results, high cost, large volume, etc., to improve the accuracy of measurement, change the accuracy of poor, improve The effect of accuracy
Active Publication Date: 2018-01-30
TONGDY CONTROL TECH
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Problems solved by technology
[0009] The present invention proposes an indoor tiny particulate matter monitor, which is used to solve the problem that the existing tiny particulate matter monitor has complex composition, large volume, and high cost, and cannot be used as a monitor for civil indoor tiny particulate matter, or the civil indoor tiny particulate matter monitor is affected by environmental factors. The impact is serious, resulting in large deviations in measurement results
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[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0047] Such as figure 1 , figure 2 and image 3 As shown, Embodiment 1 of the present invention provides an indoor fine particle monitor, including:
[0048] housing 10;
[0049] a microprocessor, arranged in the casing 10;
[0050] A humidity sensor for real-time detection of the indoor humidity value is arranged in the casing 10 and connected with the microprocessor;
[0051] A light-scattering microparticle sensor for detecting indoor PM2.5 v...
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The present invention provides an indoor micro particle monitor, which is used to solve the problem that the existing micro particle monitor has complex composition, large volume and high cost, and cannot be used as the monitoring of civil indoor micro particle, or the civil indoor micro particle monitor is affected by environmental factors. The problem of serious impact and large measurement deviation, including: shell; microprocessor; humidity sensor; light scattering micro particle sensor; microprocessor includes: humidity compensation control unit, used for real-time detection of humidity value and light scattering The concentration value of tiny particles detected by the tiny particle sensor in real time, through the humidity compensation mathematical formula of multivariate linear fitting through the experimental data, compensates the concentration value detected by the light-scattering tiny particle sensor, and calculates the real-time and accurate tiny particle concentration value . The above-mentioned indoor tiny particle monitor has accurate measurement, small size, easy installation and desktop placement, and can be applied to civilian fields.
Description
technical field [0001] The invention relates to the technical field of micro particle monitoring, in particular to an indoor micro particle monitor. Background technique [0002] At present, the impact of haze weather on people's living environment is becoming more and more serious, and tiny particle monitors are also more and more widely used. At present, there are three main methods of automatic monitoring of tiny particles in the air (such as PM2.5 and PM10) that are popular in the world: oscillatory balance technology, Beta ray technology and light scattering technology. Due to the particularity of the composition and mechanism of fine particulate matter PM2.5, it is much more difficult to realize its automatic monitoring than PM10. Therefore, the following mainly introduces the measurement method of PM2.5: [0003] Since PM2.5 particles are composed of various substances and exist in the ambient air in different forms, during the automatic monitoring process, it is ne...
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IPC IPC(8): G01N15/06
Inventor 郗晓言
Owner TONGDY CONTROL TECH