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Aerosol particle size classification detection system

A classification detection, aerosol technology, applied in particle and sedimentation analysis, particle size analysis, measurement device and other directions, can solve the problems of complex data analysis, affecting ultraviolet laser energy, inaccurate fluorescence intensity data, etc., to reduce complexity and improve Detection sensitivity and signal-to-noise ratio, and the effect of resolving misjudgments

Active Publication Date: 2012-10-24
北京汇丰隆经济技术开发有限公司
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Problems solved by technology

[0003] However, in the existing aerosol particle detection system, due to the different particle sizes of the aerosol particles to be detected, the final data analysis becomes complicated. The energy of the UV laser, resulting in inaccurate final fluorescence intensity data

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  • Aerosol particle size classification detection system
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  • Aerosol particle size classification detection system

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Embodiment Construction

[0015] 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, not all, embodiments of the present invention. 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.

[0016] figure 1 It is a schematic diagram of an aerosol particle size classification and detection system according to an embodiment of the present invention. Such as figure 1 As shown, the system includes: a differential electric mobility analyzer and a laser particle detection unit, where

[0017] The differential electric mobility analyzer is used to add the same charge to the incoming aerosol particles to be detected, and then use different electric fiel...

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Abstract

The invention discloses an aerosol particle size classification detection system. The system comprises a differential electromobility analyzer and a laser particle detection unit, wherein the differential electromobility analyzer is used for applying a same electric charge amount to entered aerosol particles to be detected, classifying the aerosol particles having different masses through utilizing different electric field intensities, and sending the aerosol particles of a same kind to the laser particle detection unit for detection.

Description

technical field [0001] The invention relates to an aerosol particle detection system, in particular to an aerosol particle size classification detection system. Background technique [0002] The aerosol particle optical measurement system composed of illumination light path, aerosol gas path and detection light path is usually used to measure the size of aerosol particles, while using ultraviolet laser and fluorescence detection device to detect the characteristic fluorescence of aerosol particles, so as to realize Real-time detection of particles. The existing aerosol particle detection system can detect whether there are aerosol particles in the air and the concentration and quantity of the aerosol particles online in real time. [0003] However, in the existing aerosol particle detection system, the final data analysis is complicated due to the different particle sizes of the aerosol particles to be detected. The energy of the UV laser leads to inaccuracies in the final...

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Application Information

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IPC IPC(8): G01N15/02
Inventor 刘毅刘航刘强张晓清孙跃
Owner 北京汇丰隆经济技术开发有限公司