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Step-by-step beta-ray particle monitor

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: 2016-08-24
北京中晟泰科环境科技发展有限责任公司
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  • Summary
  • 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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  • Step-by-step beta-ray particle monitor
  • Step-by-step beta-ray particle monitor
  • Step-by-step beta-ray particle monitor

Examples

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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] to combine figure 2 with 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 fra...

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Abstract

The invention provides a step-by-step Beta ray particle monitor. The step-by-step Beta ray particle monitor includes: a mounting frame with a sampling position and a detection position; a roll film assembly including a first reel and a second reel; a clamping traction assembly including a clamping part and a clamping part Reciprocatingly arranged between the first reel and the second reel to clamp and drive the filter membrane between the first reel and the second reel, and make the filter reciprocate between the sampling position and the detection position Movement; the sampling and detection component, when the clamping part clamps and drives the filter membrane to reciprocate to the sampling position and the detection position, correspondingly samples and detects the filter membrane. According to the present invention, it is possible to solve the problem in the prior art that the rolling method is easy to produce a deviation accumulation effect, which causes the filter membrane to continuously deviate from the original direction until it breaks and is damaged.

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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Patent Type & Authority Patents(China)
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