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Portable PM2.5 particulate matter and ozone scanning laser radar

A technology for scanning lasers and particles, applied in particle suspension analysis, color/spectral characteristic measurement, suspension and porous material analysis, etc., can solve problems such as unsatisfactory, achieve large absorption cross-section, high detection accuracy, convenient and long-term stability running effect

Inactive Publication Date: 2021-11-09
安徽科创中光科技股份有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These problems cannot meet the needs of convenient movement, reliability and stability, outdoor use, and automatic switching of working modes for the current environmental monitoring needs.

Method used

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  • Portable PM2.5 particulate matter and ozone scanning laser radar
  • Portable PM2.5 particulate matter and ozone scanning laser radar

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Experimental program
Comparison scheme
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Embodiment

[0024] see Figure 1 to Figure 2 , the present invention provides a technical solution:

[0025] A portable PM2.5 particle and ozone scanning lidar, including:

[0026] Platform 1, a circular lens barrel 2 is installed on one side thereof;

[0027] The emitting light source system 4, installed on the platform 1, is used to emit a laser light source to the atmosphere, and the laser light source generates an echo signal after being scattered by the atmosphere;

[0028] The optical telescope receiving system 3 is equipped with the tail of the circular lens barrel 2 for receiving the echo signal;

[0029] The control system, installed on the platform 1, is used to control the emitting light source system 4 and the optical telescope receiving system.

[0030] Specifically, the optical telescope receiving system 3 includes a receiving telescope arranged in a circular lens barrel.

[0031] Specifically, the circular lens barrel 2 and the platform 1 are integrated through reinforc...

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Abstract

The invention provides a portable PM2.5 particulate matter and ozone scanning laser radar comprising a platform, one side of which is provided with a circular lens cone; a light source emitting system which is installed on the platform and used for emitting a laser light source to the atmosphere, and the laser light source generates echo signals after being scattered by the atmosphere; an optical telescope receiving system which is arranged at the tail part of the circular lens cone and is used for receiving the echo signal; and a control system which is mounted on the platform and is used for controlling the emission light source system and the optical telescope receiving system. According to the invention, the laser radar employs a pulse laser light source of 5 KHZ or more, and is suitable for rapid scanning and monitoring; the laser radar adopts ultraviolet-visible light difference, the absorption cross section is maximum, and the detection precision is high; the laser radar adopts an automatic light path correction technology, and long-time stable operation is facilitated.

Description

technical field [0001] The invention relates to the technical field of air pollution monitoring, in particular to a portable PM2.5 particle and ozone scanning laser radar. Background technique [0002] At present, the overall control of particulate matter pollution in my country is relatively good, and the value is gradually decreasing, but the problem of ozone pollution is gradually increasing, and some areas are seriously polluted. Atmospheric ozone lidar realizes the detection of atmospheric ozone profile by emitting multi-wavelength laser light. At present, ozone lidar is large in size, heavy in weight, expensive in price and inconvenient to use. When scanning and monitoring, it is necessary to increase the scanning method of the galvanometer, which increases the cost and reduces the energy and performance. These problems cannot meet the needs of convenient movement, reliability and stability, outdoor use, and automatic switching of working modes for the current enviro...

Claims

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Application Information

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IPC IPC(8): G01N15/06G01N21/33
CPCG01N15/06G01N21/33G01N15/075
Inventor 曹开法汪思保蒋建平孙灵王治飞
Owner 安徽科创中光科技股份有限公司