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Penetration device for laser radar

A technology of laser radar and laser transparency, which is applied in the direction of measuring devices, using re-radiation, re-radiation of electromagnetic waves, etc., can solve the problems of large damage to radar detectors, signal loss, attenuation of laser signals, etc., to facilitate on-site installation and avoid diffuse Reflection, reduce attenuation effect

Active Publication Date: 2015-04-22
无锡中科光电技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The vertical backscattering of the laser on the glass causes great damage to the radar detector;
[0005] 2. When the laser signal passes through ordinary glass, the signal loss is serious. In rainy and snowy weather, the rain and snow accumulate on the glass, which further attenuates the laser signal

Method used

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  • Penetration device for laser radar

Examples

Experimental program
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Effect test

Embodiment 1

[0033] figure 1 Schematically presents a simplified structural diagram of the transmission device for laser radar according to the embodiment of the present invention, as shown in figure 1 As shown, the permeation device includes:

[0034] A laser channel, the laser channel is used to pass the laser; the laser channel is formed in the cylindrical part 5, such as in the flange;

[0035] The transparent body 2, which is transparent to the laser, is obliquely fixed on the upper end of the laser channel; the transparent body can be float glass, plastic or other;

[0036] The heating body 6, which is arranged on the non-laser path, is used to heat the transparent body, so that the frost and snow on the side of the transparent body facing the atmosphere melt.

[0037] For easier installation and maintenance, optionally, the permeation device further includes:

[0038] A protective cover 4, the protective cover is arranged on the upper part of the laser channel;

[0039] A top co...

Embodiment 2

[0045] An application example of the transmission device according to Embodiment 1 of the present invention.

[0046] In this application example, the laser channel is formed in the flange, the protective cover, top cover, and gland are all made of aluminum alloy, the transparent body is made of float glass, the heating body is made of far-infrared heating lamps, and the non- laser light path. The protective cover is fixed on the flange row by screws, and the top cover is buckled on the upper part of the protective cover. The upper end surface of the top cover is inclined at 15 degrees. The surface of the transparent body facing the atmosphere protrudes from the inclined surface of the top cover. And the top cover is provided with a drainage groove at the position facing the lower side of the transparent body. The pressing cover presses the transparent body and is fixed on the top cover by screws. The flange is fixed on the roof of the station building. The protective cover...

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Abstract

The invention provides a penetration device for a laser radar. The penetration device for the laser radar comprises a lasing channel used for the laser penetration, a transparent body transparent to the laser and aslant fixed at the upper end of the lasing channel, and a heating body arranged on a non-laser path and used for heating the transparent body. The penetration device for the laser radar has the advantages of being small in laser signal attenuation and testing interference.

Description

technical field [0001] The present invention relates to lidar, in particular to a penetrating device for lidar. Background technique [0002] Atmospheric particle monitoring lidar is used for three-dimensional monitoring of atmospheric particles near the surface layer. Laser is used as the detection light source. The laser interacts with atmospheric particles. The receiving telescope is used to collect and analyze the backscattering signals of particles, and then judge the type and time and space of atmospheric particles. distributed. [0003] The working environment of the existing atmospheric particle monitoring lidar is generally fixed indoors, and the ceiling is separated between the radar body and the external atmospheric environment. The current practice is to set ordinary glass on the horizontal roof to pass the laser. This method has some disadvantages, such as: [0004] 1. The vertical backscattering of the laser on the glass causes great damage to the radar detec...

Claims

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Application Information

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IPC IPC(8): G01S7/481G01S17/95
CPCG01S7/481Y02A90/10
Inventor 于会李虎
Owner 无锡中科光电技术有限公司