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Aerosol laser radar for all-round and full-angle

A laser radar, full-angle technology, applied in the direction of climate sustainability, electromagnetic wave re-radiation, utilization of re-radiation, etc., can solve problems such as blind spots, achieve the effect of expanding the monitoring range, improving detection efficiency, and improving utilization rate

Pending Publication Date: 2019-03-29
安徽蓝盾光电子股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the blind area problem of the existing aerosol lidar, and provide an aerosol lidar with all directions and angles, thereby eliminating the blind area and improving the detection efficiency of the radar

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  • Aerosol laser radar for all-round and full-angle
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  • Aerosol laser radar for all-round and full-angle

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Embodiment Construction

[0019] Combine below figure 1 with figure 2 , to further illustrate the present invention.

[0020] As shown in the figure, an all-round and full-angle aerosol laser radar includes a radar host 19 and a rotating mechanism, and the radar host 19 is fixedly connected to the rotating mechanism; the radar host 19 includes a mounting base 14, and the mounting base 14 An optical mechanism and a laser 13 are respectively fixed on it, and the optical mechanism includes a telescope front window 3, a reflector holder 5, a convex reflector 6 and a concave reflector 7, and the convex reflector 6 is located at the telescope front window 3. Between the concave reflector 7 and fixed by the reflector holder 5; the collimating mirror 16, the plane reflector one 17 and the plane reflector two 4 are arranged successively along the laser 13 emission direction; the concave reflector 7 The central position of is a through hole, and the focal point F of the concave mirror 7 is located on the PMT ...

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Abstract

The invention discloses an aerosol laser radar for all-round and full-angle. The aerosol laser radar comprises a radar host and a rotating mechanism, and the radar host is fixedly connected to the rotating mechanism. The radar host comprises a mounting base, and an optical mechanism and a laser are fixedly connected to the mounting base. The optical mechanism comprises a telescope front window piece, a reflector fixing seat, a convex reflector, and a concave reflector. The convex reflector is located between the telescope front window piece and the concave reflector, and is fixed by the reflector fixing seat. A collimating lens, a first plane mirror, and a second plane mirror are sequentially arranged along the emitting direction of the laser. A through hole is located at the central position of the concave reflector, and the focal point F of the concave reflector is located at a PMT (Photomultiplier Tube) at the rear end of the through hole. And a PMT signal is connected to a data processing and analysis system and a control system. According to the aerosol laser radar for all-round and full-angle, the blind zone can be effectively eliminated and the monitoring range can be expanded, due to the fact that the round and the angle of the aerosol laser radar can be adjusted.

Description

technical field [0001] The invention relates to the field of high-altitude air quality monitoring, in particular to an all-round and all-angle aerosol laser radar. Background technique [0002] Aerosols are solid or liquid small particles suspended in the air, which are divided into smoke, fog and dust. They are an important part of smog in the sky and are very harmful to human health. It is a pollutant monitored by the national environmental protection department. [0003] As an active remote sensing device for detecting atmospheric optical parameters, lidar has the advantages of good directionality, high temporal and spatial resolution, and continuous observation. It has been widely used to detect the concentration profile of particulate matter in the troposphere or stratosphere. Its working principle is: the laser generated by the laser is emitted vertically into the atmosphere as a light source, and interacts with atmospheric components to generate radiation signals suc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/95G01S7/481
CPCG01S7/4817G01S17/95Y02A90/10
Inventor 钱江刘宏鲁爱昕潘焕双贾强
Owner 安徽蓝盾光电子股份有限公司
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