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Fluorescent aerosol concentration detection device and method based on Scheimpflug imaging

A concentration detection and aerosol technology, applied in measurement devices, fluorescence/phosphorescence, material analysis by optical means, etc., can solve the problems of high cost, large blind area, etc., to reduce blind area, high distance resolution, and improve detection. performance effect

Pending Publication Date: 2021-11-19
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

Although pulsed lidar technology is very mature, its high cost and large blind area are still difficult problems to solve

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  • Fluorescent aerosol concentration detection device and method based on Scheimpflug imaging
  • Fluorescent aerosol concentration detection device and method based on Scheimpflug imaging
  • Fluorescent aerosol concentration detection device and method based on Scheimpflug imaging

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will combine the appended Figure 1 to Figure 3 , clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implementation manners obtained b...

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Abstract

The invention discloses a fluorescence aerosol concentration detection device and method based on Scheimpflug imaging. In a tube, a laser emitting device emits a laser beam towards an aerosol sample to be detected at a preset angle, the laser emitting device is fixed on a rotating device, a receiving device collects fluorescence intensity signals generated by excitation of the laser beams penetrating through the aerosol sample, the receiving device fixed to the rotating device comprises a telescope, and a light path adjusting device is fixed to the rotating device and comprises an optical sensor. The light sensing surface of the optical sensor, the optical axis surface of the telescope and the extension surface of the surface of the aerosol sample intersect on the same straight line, the control device comprises an industrial personal computer and a signal generator, and the industrial personal computer controls the signal generator to synchronize the laser emitting device and the light path adjusting device.

Description

technical field [0001] The invention relates to the technical field of aerosol concentration detection, in particular to a fluorescent aerosol concentration detection device and method based on Sabouraud imaging. Background technique [0002] With the gradual deterioration of the world's environmental pollution, how to observe the spread of aerosols has attracted the attention of researchers from various countries. At present, laser-induced fluorescence technology is mainly used in the research. Using optical remote sensing technology to restore the two-dimensional aerosol distribution is of great significance to the study of aerosol diffusion law. The current imaging lidar mainly uses pulsed lidar technology, which can accurately locate the distribution of aerosols on the path through large-caliber telescopes and high-sensitivity detectors. Although pulsed lidar technology is very mature, its high cost and large blind area are still difficult problems to solve. [0003] T...

Claims

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Application Information

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IPC IPC(8): G01N21/64
CPCG01N21/6402G01N21/6456G01N21/645G01N2021/6471
Inventor 陈思颖李道明陈和张寅超郭磐檀望舒马扬程杨显
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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