Aerosol scattering measurement device and use method thereof

By using a rotating arc-shaped detection mechanism and a modularly designed aerosol scattering measurement device, combined with a multi-wavelength laser and timing control, the problems of complex structure and insufficient measurement accuracy of traditional devices are solved, and efficient and automated multi-angle aerosol optical property measurement is realized.

CN121298536APending Publication Date: 2026-01-09CHINA JILIANG UNIV
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Patent Information

Application Number
CN202511770852.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-28
Publication Date
2026-01-09

AI Technical Summary

Technical Problem

Traditional aerosol scattering measurement devices are complex in structure, large in size, and expensive, and it is difficult to achieve high spatial resolution measurement of scattering distribution maps at all angles, especially when identifying non-spherical particles or complex mixed aerosols.

Method used

It adopts a rotatable arc-shaped detection mechanism and a modular arc-shaped sleeve design, combined with multi-wavelength lasers and timing control, to achieve full-angle scattered light scanning using a single photodetector, passively dry the intake air by combining laser heat dissipation, and suppress stray light by using light-absorbing coatings to generate multi-wavelength angular scattering distribution maps.

Benefits of technology

It enables fully automated, multi-angle measurement of aerosol optical properties, reduces system cost and complexity, expands the angle measurement range, improves spatial resolution and data accuracy, and enhances the flexibility and signal-to-noise ratio of the device.

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Abstract

The invention discloses an aerosol scattering measurement device and a use method thereof, and belongs to the field of light scattering measurement, the aerosol scattering measurement device comprises an aerosol scattering cylinder, the top and the bottom of the aerosol scattering cylinder are fixedly connected with a top cover and a bottom cover respectively, and a measurement assembly is arranged outside the aerosol scattering cylinder. An aerosol circulation assembly is arranged in the aerosol scattering cylinder and comprises an input pipe which is fixedly connected to the interior of the top cover, and the axis of the input pipe coincides with the axis of the top cover; by arranging the rotatable arc-shaped detection mechanism and the modularized arc-shaped sleeve plate and utilizing a single photoelectric detector to be matched with a precise gear transmission system, full-automatic and multi-angle scanning measurement of scattered light signals is realized, the use number of detectors is remarkably reduced, and the device cost and complexity are greatly reduced; moreover, the angle measurement range is effectively expanded, and an angle scattering distribution diagram with higher spatial resolution is obtained.
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