A particle monitoring device with beta ray method with automatic early warning function
An automatic early warning and monitoring device technology, applied in measurement devices, particle suspension analysis, material analysis using radiation, etc., can solve the problems of inability to break or lack of paper, easily affected accuracy, complex structure, etc., and achieve high performance. Accuracy shift, eliminate the influence of measurement accuracy, the effect of accurate monitoring
Active Publication Date: 2020-08-14
安徽蓝盾光电子股份有限公司 +1
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[0008] The purpose of the present invention is to provide a Beta ray method capable of overcoming the shortcomings of the prior art, such as complex structure, easily affected accuracy, and inability to timely judge paper breakage or paper shortage, etc., with a simple structure, stable performance and high reliability. Beta ray particle monitoring device with automatic early warning function
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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.
[0031] see Figure 1-Figure 3 , the specific embodiment adopts the following technical solutions: a Beta ray method particle monitoring device with automatic early warning function, which includes an air intake pipe 1, a detector seat 2, a detector seat sealing plate 3, a paper pressing sealing plate 4, an O-shaped Sealing ring 5, Beta source seat 6, air outlet pipe 7, Beta ray detection unit 8, Beta radiation source 9, filter paper 10, lever 11, rolling bearing 12, rotating shaft 13, pressure paper sealing plate 14, driven paper feeding tray 15, active Paper receiving tr...
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Abstract
The invention discloses a Beta-ray-method particle monitoring device with an automatic early warning function. The device of the invention comprises a fixed plate, a sample collection part, a sample measurement part, filter paper, a motion execution mechanism part of a paper pressing seal-plate, and a filter paper supporting and moving part and a filter paper movement length determination part. The sample collection part comprises an air inlet pipe, a detector base, a detector base seal-plate, a paper pressing seal-plate and the like. The sample measurement part is composed of a Beta ray detection unit and a Beta radioactive source, which directly face each other and are installed on the detector base and a Beta source base. The filter paper passes between a detector and the paper pressingseal-plate. The motion execution mechanism part of the paper pressing seal-plate is a lever structure composed of a lever and a driving eccentric wheel. The filter paper supporting and moving part comprises a driven paper feeding disc, a driving paper collecting disc and friction rollers. The filter paper movement length determination part comprises an optocoupler separation blade, an optoelectronic switch and an optoelectronic switch support. The device of the invention has characteristics of simple structure, stable performance and high reliability.
Description
technical field [0001] The invention relates to the technical field of atmospheric detection equipment, in particular to continuous automatic monitoring equipment for atmospheric particulate matter, and in particular to a Beta ray method particulate matter monitoring device with an automatic early warning function. Background technique [0002] Respirable particulate matter and fine particulate matter are both particulate matter suspended in the atmosphere, but the particle size is different. PM is the acronym for particulate matter in English. Particles with a particle size below 10 microns are called inhalable particulate matter, also known as PM10. Particulate matter with a particle size less than or equal to 2.5 microns is fine particulate matter, also known as PM2.5, and PM2.5 is a part of PM10. The chemical composition of atmospheric particulate matter varies greatly in type and amount due to different sources. Since inhalable particulate matter mainly comes from ma...
Claims
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IPC IPC(8): G01N15/06G01N23/12
CPCG01N15/0643G01N2223/04G01N2223/102G01N2223/505G01N2223/635
Inventor邓龙龙刘宏徐传超化利东吴玉笛曹永
Owner安徽蓝盾光电子股份有限公司