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Stepping type particulate matter monitor utilizing Beta ray method

A technology of ray method and particulate matter, which is applied in the field of step-by-step Beta ray method particle monitor, and can solve the problems of filter membrane offset and so on

Active Publication Date: 2014-08-27
北京中晟泰科环境科技发展有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims to provide a step-by-step Beta-ray method particle monitor to solve the problem that the filter membrane of the step-by-step Beta-ray method particle monitor in the prior art is prone to offset

Method used

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  • Stepping type particulate matter monitor utilizing Beta ray method
  • Stepping type particulate matter monitor utilizing Beta ray method
  • Stepping type particulate matter monitor utilizing Beta ray method

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Embodiment Construction

[0035] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0036] combine figure 2 and image 3 As shown, according to an embodiment of the present invention, a particle monitor is provided, which is a step-by-step Beta ray particle monitor. The step-by-step Beta ray particle monitor includes a mounting frame 100 , a rolling film assembly 110 , a clamping traction assembly 120 and a sampling detection assembly 130 . Wherein, the installation frame 100 has a sampling position and a detection position, and the roll film assembly 110 is arranged on the installation frame 100. There is a filter membrane 400 for sampling, and the first reel 111 is used to wrap the sampled and detected filter membrane 400 delivered from the second reel 112; the clamping traction assembly 120 is arranged on the mounting frame 1...

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Abstract

The invention provides a stepping type particulate matter monitor utilizing a Beta ray method. The monitor comprises a mounting frame, a film rolling assembly, a clamping traction assembly and a sampling detection assembly, wherein the mounting frame has a sampling position and a detection position; the film rolling assembly comprises a first roller and a second roller; the clamping traction assembly comprises a clamping part which can be arranged between the first roller and the second roller in a reciprocating mode and is used for clamping and driving a filter membrane between the first roller and the second roller to ensure that the filter membrane does reciprocation motion between the sampling position and the detection position; the sampling detection assembly is used for correspondingly sampling and detecting the filter membrane when the filter membrane is clamped and driven by the clamping part to move to the sampling position and the detection position in the reciprocating mode. According to the stepping type particulate matter monitor utilizing the Beta ray method, the problem in the prior art that the filter membrane continuously deviates from the original direction until the filter membrane is broken and damaged caused by the factor that the deviation accumulative effect is easily caused by means of rolling grinding is solved.

Description

technical field [0001] The invention relates to the technical field of environmental monitoring, in particular to a step-by-step Beta ray particle monitor. Background technique [0002] The Beta ray particle monitor is an instrument for real-time online monitoring of particulate matter in the air (including PM10, PM2. This instrument is equipped with a filter membrane that can be renewed according to a period, and a Beta ray source and a Beta ray detector are respectively arranged on the upper and lower sides of the filter membrane. As the sample collection proceeds, the mass of particulate matter collected on the filter membrane also increases, and the Beta ray intensity detected by the Beta ray detector will attenuate accordingly. Since the output signal of the Beta ray detector can directly reflect the mass change of the particles, the particle concentration during the sampling period can be obtained by analyzing the particle mass value of the Beta ray detector and combi...

Claims

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Application Information

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IPC IPC(8): G01N15/06
Inventor 郭俊锋
Owner 北京中晟泰科环境科技发展有限责任公司
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