CN108693088A - A kind of high-precision atmosphere particle monitoring scanning polarization lidar system - Google Patents
A kind of high-precision atmosphere particle monitoring scanning polarization lidar system Download PDFInfo
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- CN108693088A CN108693088A CN201810470647.9A CN201810470647A CN108693088A CN 108693088 A CN108693088 A CN 108693088A CN 201810470647 A CN201810470647 A CN 201810470647A CN 108693088 A CN108693088 A CN 108693088A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 239000002245 particle Substances 0.000 title claims abstract description 22
- 230000010287 polarization Effects 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 43
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 6
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 239000005427 atmospheric aerosol Substances 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 241000218606 Pinus contorta Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 235000000673 shore pine Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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- Optical Radar Systems And Details Thereof (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The present invention relates to a kind of high-precision atmosphere particle monitorings to scan polarization lidar system, including receive-transmit system, display system, evidence-obtaining system, scanning system, signal processing system and optical singnal processing system;The receive-transmit system, display system, signal processing system and optical singnal processing system are respectively positioned in shell, the scanning system includes rotating horizontally to rotate horizontally case and receive-transmit system coaxial arrangement described in case, vertical rotary case and interlocking lever, and the optical singnal processing system is matched with the position of receive-transmit system.Light path caused by the present invention can effectively reduce structural strain deviates, whole monitoring performance and monitoring accuracy are higher, it is influenced by weather smaller, it can realize remote monitoring simultaneously, and the rotation sweep for realizing horizontal and vertical directions solves the problems, such as that market today sale atmospheric aerosol laser radar can not 360 ° of level the problem of being rotated without limitation and synchronous evidence obtaining.
Description
Technical field
The present invention relates to optical fields, and in particular to a kind of high-precision atmosphere particle monitoring scanning polarization lidar system
System.
Background technology
Traditional optical system there are transmitter unit and receiving units not coaxial, different structure part causes optical stability by
Temperature influences big problem, and receives the problem of signal is influenced by background sunlight, causes signal analysis difficulty.
Traditional transmitting light source relatively mostly uses optical fiber external, and there is transmitting jitters, the problems such as short life;It passes
The signal processing system of system is relatively low to the extraction accuracy of small-signal, and easily by electromagnetic interference;Traditional atmospheric aerosol laser
Radar scanning is all made of the rotation of radar main body, and very clumsy and radar is exposed to outside and reduces radar main body for a long time uses year
Limit, is affected by weather.
Part novel air aerosol LIDAR uses seperated scanning means, but can not solve Camcording system and sweep
System synchronization problem is retouched, and cannot achieve locking and 360 ° of continuous rotations at any angle.
Traditional evidence-obtaining system cannot achieve remote high definition and collect evidence round the clock, the functions such as no optics Penetrating Fog, laser lighting;It passes
The software systems of system are without independent database.
Invention content
The purpose of the present invention is:A kind of high-precision atmosphere particle monitoring scanning polarization lidar system, customer service are provided
Drawbacks described above.
To achieve the goals above, the present invention provides the following technical solution:
A kind of high-precision atmosphere particle monitoring scans polarization lidar system, including receive-transmit system, display system, takes
Card system, scanning system, signal processing system and optical singnal processing system;The receive-transmit system, display system, at signal
Reason system and optical singnal processing system are respectively positioned in shell, the scanning system include rotate horizontally case, vertical rotary case and
Interlocking lever, the horizontal rotation case are flexibly connected by rotating horizontally system with shell, and the vertical rotary case is by vertically revolving
Transfer from one department to another system and be flexibly connected with case is rotated horizontally, one end of the interlocking lever is connect with vertical rotary system, and the evidence-obtaining system is logical
The other end for crossing another vertical rotary system and interlocking lever connects, and the horizontal rotation case is coaxially disposed with receive-transmit system, described
Optical singnal processing system is matched with the position of receive-transmit system.
Further, the receive-transmit system includes refracting telescope, beam expander, shading pipe and reflecting optics;The expansion
Beam device is located inside refracting telescope and is coaxially disposed with refracting telescope, one end of the beam expander and refracting telescope
One end flush;The shading pipe is located inside refracting telescope and is coaxially disposed with refracting telescope, the shading pipe with
Beam expander connects, the other end flush of the shading pipe one end and refracting telescope far from beam expander, the reflecting optics
It is obliquely installed the inner wall in refracting telescope, the one end of the refracting telescope far from beam expander is provided with laser generator, institute
The Laser emission end for stating laser generator is corresponding with the position of shading pipe.
Further, the display system includes industrial personal computer and the software in industrial personal computer, and the software includes swashing
Light device control module, vasculum control module, capture card control module, UPS module, communication module, data processing module, drawing
Module, setup module and journal module.
Further, the evidence-obtaining system includes remote high-definition camera, laser illumination system, low-light (level) high-definition camera
Machine and autofocus system;The remote high-definition camera includes the first zoom lens and Zoom lens, and the laser shines
Bright system includes the second Zoom lens, and the low-light (level) high-definition camera includes cmos image sensor, the automatic focusing system
System includes motor driver, dsp controller, the first zoom motor, zoom motor and the second zoom motor;The motor driving
Device is electrically connected with the first zoom motor, zoom motor, the second zoom motor and dsp controller respectively, the cmos image
Sensor is electrically connected with dsp controller, and the output end of first zoom motor and the first zoom lens are mechanically connected, described
The output end of zoom motor is mechanically connected with Zoom lens, the output end of second zoom motor and the second zoom lens machinery
Connection.
Further, the scanning system further includes control system, and the control system is located in shell, the horizontal rotation
Scanning reflection mirror is both provided in turnning box and vertical rotary case, the vertical rotary case is provided with far from the one end for rotating horizontally case
Except condensation system and outgoing receive window.
Further, the signal processing system is electrically connected with optical singnal processing system, the signal processing system
Including small signal amplifier system and high speed acquisition component, the high speed acquisition component includes high-speed collection card.
Further, the optical singnal processing system includes collection len, beam dividing lens, first end lens, second
Distal lens, the first photomultiplier and the second photomultiplier;The collection len, beam dividing lens, first end lens
And first photomultiplier be of a straight line type and be sequentially arranged, the beam dividing lens, second end lens and the second photomultiplier transit
Pipe, which is of a straight line type, to be sequentially arranged, and the collection len is corresponding at the position that receive-transmit system end profile light projects.
Beneficial effects of the present invention are:A kind of high-precision atmosphere particle monitoring scanning polarization lidar system, passes through
The cooperation of receive-transmit system, display system, evidence-obtaining system, scanning system, signal processing system and optical singnal processing system makes
With, it realizes transmitting light beam and reception light beam is coaxial, light path offset caused by effectively reducing structural strain;Effectively filter non-demand
Wavelength spurious signal effectively evades laser light source astigmatism to receiving the interference of system, to improve the whole monitoring performance of equipment;
Weak signal extraction and amplification are realized, to improve the monitoring accuracy of equipment;Self contained data base operation and storage are realized, from
And keep monitoring data safer;Realize remote high definition Real-Time Forensics, to make monitoring data intuitively with it is credible;By weather
Influence smaller, while can realize remote monitoring, realize high-precision and scan, realize 360 ° of level, it is -135 ° vertical~+
135 ° of continuous rotation scannings, running accuracy is higher, safe, and rotating speed is adjustable, can be carried out under various weather conditions vehicle-mounted
It is scanned with fixed base stations;The service life for extending laser radar is easy to vehicle-mounted and fixed base stations installation;Meanwhile it solving existing
Modern market sale atmospheric aerosol laser radar can not 360 ° of level the problem of being rotated without limitation and synchronous evidence obtaining problem.
Description of the drawings
Fig. 1 is the overall structure signal that a kind of high-precision atmosphere particle monitoring of the present invention scans polarization lidar system
Figure.
Fig. 2 is the software configuration signal that a kind of high-precision atmosphere particle monitoring of the present invention scans polarization lidar system
Figure.
Fig. 3 is the software flow signal that a kind of high-precision atmosphere particle monitoring of the present invention scans polarization lidar system
Figure.
Fig. 4 is the knot for the evidence-obtaining system that a kind of high-precision atmosphere particle monitoring of the present invention scans polarization lidar system
Structure schematic diagram.
Fig. 5 is oneself for the evidence-obtaining system that a kind of high-precision atmosphere particle monitoring of the present invention scans polarization lidar system
Dynamic zoom principle schematic.
Fig. 6 is the Control system architecture that a kind of high-precision atmosphere particle monitoring of the present invention scans polarization lidar system
Block diagram.
Fig. 7 is the small signal amplifier system that a kind of high-precision atmosphere particle monitoring of the present invention scans polarization lidar system
The structure diagram of system.
In figure:1 receive-transmit system;10, refracting telescope;11, beam expander;12, shading pipe;13, reflecting optics;2, display system
System;20, industrial personal computer;21, software;3, evidence-obtaining system;30, remote high-definition camera;301, the first zoom lens;302, zoom
Lens;31, laser illumination system;311, the second zoom lens;32, low-light (level) high-definition camera;321, cmos image sensor;
33, autofocus system;331, motor driver;332, dsp controller;333, the first zoom motor;334, zoom motor;
335, the second zoom motor;4, scanning system;40, case is rotated horizontally;41, vertical rotary case;42, system is rotated horizontally;43, it hangs down
Straight rotary system;44, surface sweeping speculum;45, control system;46, interlocking lever;47, condensation system is removed;48, outgoing receives window;
5, signal processing system;50, small signal amplifier system;51, high speed acquisition component;6, optical singnal processing system;60, acquisition is saturating
Mirror;61, beam splitter prism;62, first end lens;63, second end lens;64, the first photomultiplier;65, the second photoelectricity
Multiplier tube.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is described in further detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Referring to figs. 1 to Fig. 7, a kind of high-precision atmosphere particle monitoring scanning polarization lidar system, including transmitting-receiving system
System 1, display system 2, evidence-obtaining system 3, scanning system 4, signal processing system 5 and optical singnal processing system 6;The transmitting-receiving
System 1, display system 2, signal processing system 3 and optical singnal processing system 6 are respectively positioned in shell, and the scanning system 4 is wrapped
It includes and rotates horizontally case 40, vertical rotary case 41 and interlocking lever 46, the horizontal rotation case 40 is by rotating horizontally system 42 and shell
Body is flexibly connected, and the vertical rotary case 41 is flexibly connected by vertical rotary system 43 with case 40 is rotated horizontally, the gearing
One end of bar 46 is connect with vertical rotary system 43, and the evidence-obtaining system 3 passes through another vertical rotary system 43 and interlocking lever 46
Other end connection, the horizontal rotation system 42 and vertical rotary system 43 are buying, the horizontals rotation case 40 and receipts
Hair system 1 is coaxially disposed, and the optical singnal processing system 6 is matched with the position of receive-transmit system 1.
The receive-transmit system 1 includes refracting telescope 10, beam expander 11, shading pipe 12 and reflecting optics 13;The expansion
Beam device 11 is located at 10 inside of refracting telescope and is coaxially disposed with refracting telescope 10, one end of the beam expander 11 and refraction
One end flush of telescope 10;The shading pipe 12 is located at 10 inside of refracting telescope and is coaxially set with refracting telescope 10
It sets, the shading pipe 12 is connect with beam expander 11, the one end of the shading pipe 12 far from beam expander 11 and refracting telescope 10
Other end flush, the reflecting optics 13 are obliquely installed in the inner wall of refracting telescope 10, and the reflecting optics 13 are for changing
Become ray trajectory, the one end of the refracting telescope 10 far from beam expander 11 is provided with laser generator 14, and the laser occurs
The Laser emission end of device 14 is corresponding with the position of shading pipe 12, and the laser generator 14 is for sending out laser.
The display system 2 includes industrial personal computer 20 and the software 21 in industrial personal computer 20, and the software 21 includes swashing
Light device control module, vasculum control module, capture card control module, UPS module, communication module, data processing module, drawing
Module, setup module and journal module;The industrial personal computer 21 is stored for runs software 21, data and data are shown, institute
The concrete model for stating industrial personal computer 20 is Asus IPC-611MB;The laser control module controls laser hair by serial communication
The parameter of raw device 14, including temperature, electric current, go out light energy, light extraction, stop light extraction etc.;The vasculum control module for pair
Echo-signal is handled, and is ensured signal quality;The situation that the capture card control module is used to shine in laser generator 14
Lower vasculum, treated that data are acquired, and carries out calculation process, output data to data;The UPS module passes through
Serial ports controls UPS and obtains UPS states, and the behaviour such as different processing, such as shutdown are carried out to equipment by the UPS states of acquisition
Make;The communication module encapsulates serial communication, and the dynamic link libraries such as network communication are called for other modules;At the data
Reason module is mainly handled the data of acquisition, the operations such as parses, stores;The graphics module is used for the data handled well
It is plotted on software, such as echo-signal, extinction coefficient, depolarization ratio etc.;The setup module is used to that laser parameter to be arranged,
The parameters such as the store path of capture card parameter and data;The journal module be used for record some Debugging message or some
Error message etc..
The evidence-obtaining system 3 includes remote high-definition camera 30, laser illumination system 31, low-light (level) high-definition camera 32
And autofocus system 33;The remote high-definition camera 30 includes the first zoom lens 301 and Zoom lens 302, institute
It includes the second zoom lens 311 to state laser illumination system 31, and the low-light (level) high-definition camera 32 includes cmos image sensor
321, the autofocus system 33 includes motor driver 331, dsp controller 332, the first zoom motor 333, zoom motor
334 and second zoom motor 335;The motor driver 331 respectively with the first zoom motor 333, zoom motor 334,
Two zoom motors 335 and dsp controller 332 are electrically connected, and the cmos image sensor 321 is electrical with dsp controller 332
Connection, the output end of first zoom motor 333 and the first zoom lens 301 mechanical connection, the zoom motor 334 it is defeated
Outlet is mechanically connected with Zoom lens 302, and the output end and 311 machinery of the second zoom lens of second zoom motor 335 are even
It connects.
The scanning system 4 further includes control system 45, and the control system 45 is located in shell, the horizontal rotation case
40 and vertical rotary case 41 in be both provided with scanning reflection mirror 44, the vertical rotary case 41 is far from the one end for rotating horizontally case 40
It is provided with except condensation system 47 and outgoing receive window 48.
The scanning reflection mirror 44 is to use float glass material, plates the total reflection film of corresponding launch wavelength;The outgoing
The diaphragm for receiving window 48 is to use quartz GJS1 materials, plates the anti-reflection film of corresponding launch wavelength.
Described is a kind of self-acting thermos except condensation system 47 is using aeration type ptc heater, can be according to temperature certainly
Dynamic to adjust the power output of itself, the diaphragm for receiving window 48 to outgoing removes condensation, to ensure that outgoing receives window
47 are not blocked to form interference by condensation.
The signal processing system 5 is electrically connected with optical singnal processing system 6, and the signal processing system 5 includes small
Signal amplifier system 50 and high speed acquisition component 51, the high speed acquisition component 51 include high-speed collection card, the high speed acquisition
The PCI5105 of the model NI of card.
The optical singnal processing system 6 includes collection len 60, beam dividing lens 61, the 62, second end of first end lens
Hold lens 63, the first photomultiplier 64 and the second photomultiplier 65;The collection len 60, beam dividing lens 61, first
Distal lens 62 and the first photomultiplier 64 are of a straight line type and are sequentially arranged, the beam dividing lens 61, second end lens 63
And second photomultiplier 65 be of a straight line type and be sequentially arranged, the collection len 60 is penetrated with 1 end profile light of receive-transmit system
It is corresponding at the position gone out;The concrete model of first photomultiplier, 64 and second photomultiplier 65 is shore pine
R9880。
The present invention overall work principle be:The laser control module of software 21 in industrial personal computer 20 controls laser
Device 14 sends out laser, and laser beam is after beam expander 11 and shading pipe 12, via in horizontal rotation case 40 and vertical rotary case 41
Scanning reflection mirror 44 carry out two secondary reflections, receiving window 48 by outgoing projects in air;The interaction of laser and air,
Backscatter signal receives window 48 by outgoing and receives, and injects vertical rotary case 41, is revolved with horizontal via vertical rotary case 41
The first back reflection of scanning reflection mirror 44 in turnning box 40 is injected in refracting telescope 1, and reflexes to optics letter by reflecting optics 13
Number processing system 6 receives light beam and is reflected into optical singnal processing system 6, first passes around collection len 60, then saturating by beam splitting
Mirror 61 is dispersed into orthogonal two divided beams, wherein a light beam reaches the first photomultiplier transit after first end lens 62
Pipe 64, another light beam reach the second photomultiplier 65 after second end lens 63;The small signal of signal processing system 5 is transported
The faint small electric signal that place system 50 converts the first photomultiplier 64 and the second photomultiplier 65 is filtered and amplifies,
Then signal acquisition is carried out using high speed acquisition component 51;Period control system 45 be used for scanning system 4 and evidence-obtaining system 3 into
Row is precisely controlled and digital independent.
The process for using of software is:After starting software 21, the hardware of system is initialized, such as vasculum,
Ups, capture card and laser generator 14.Then software interface is popped up.After software interface pop-up, click starts to acquire button, swashs
14 light extraction of optical generator, high speed acquisition component 51 while gathered data, after having acquired the umber of pulse of setting, laser generator 14
Stop light extraction, then preserve data and draws.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral;Can be mechanical connection,
It can be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary the company inside two elements
Logical or two elements interaction relationship.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Above-described embodiment does not limit the invention to these specific implementations for the present invention is further illustrated
Mode.All any modification, equivalent and improvement made by all within the spirits and principles of the present invention etc. should be understood as at this
Within the protection domain of invention.
Claims (7)
1. a kind of high-precision atmosphere particle monitoring scans polarization lidar system, it is characterised in that:Including receive-transmit system, show
Show system, evidence-obtaining system, scanning system, signal processing system and optical singnal processing system;The receive-transmit system, display system
System, signal processing system and optical singnal processing system are respectively positioned in shell, and the scanning system includes rotating horizontally case, vertical
Rotary box and interlocking lever, the horizontal rotation case are flexibly connected by rotating horizontally system with shell, and the vertical rotary case is logical
It crosses vertical rotary system and is flexibly connected with case is rotated horizontally, one end of the interlocking lever is connect with vertical rotary system, described to take
Card system is connected by the other end of another vertical rotary system and interlocking lever, and the horizontal rotation case is coaxially set with receive-transmit system
It sets, the optical singnal processing system is matched with the position of receive-transmit system.
2. a kind of high-precision atmosphere particle monitoring according to claim 1 scans polarization lidar system, feature
It is:The receive-transmit system includes refracting telescope, beam expander, shading pipe and reflecting optics;The beam expander is located at refraction
It is coaxially disposed inside telescope and with refracting telescope, one end of the beam expander and one end flush of refracting telescope;
The shading pipe is located inside refracting telescope and is coaxially disposed with refracting telescope, and the shading pipe is connect with beam expander,
The other end flush of the shading pipe one end and refracting telescope far from beam expander, the reflecting optics are obliquely installed in folding
The inner wall of telescope is penetrated, the one end of the refracting telescope far from beam expander is provided with laser generator, the laser generator
Laser emission end it is corresponding with the position of shading pipe.
3. a kind of high-precision atmosphere particle monitoring according to claim 1 scans polarization lidar system, feature
It is:The display system includes industrial personal computer and the software in industrial personal computer, the software include laser control module,
Vasculum control module, capture card control module, UPS module, communication module, data processing module, graphics module, setup module
And journal module.
4. a kind of high-precision atmosphere particle monitoring according to claim 1 scans polarization lidar system, feature
It is:The evidence-obtaining system includes remote high-definition camera, laser illumination system, low-light (level) high-definition camera and gathers automatically
Burnt system;The remote high-definition camera includes the first zoom lens and Zoom lens, and the laser illumination system includes the
Two zoom lens, the low-light (level) high-definition camera includes cmos image sensor, and the autofocus system includes that motor drives
Dynamic device, dsp controller, the first zoom motor, zoom motor and the second zoom motor;The motor driver is respectively with first
Zoom motor, zoom motor, the second zoom motor and dsp controller are electrically connected, and the cmos image sensor is controlled with DSP
Device processed is electrically connected, the output end of first zoom motor and the first zoom lens mechanical connection, the zoom motor it is defeated
Outlet is mechanically connected with Zoom lens, and the output end of second zoom motor and the second zoom lens are mechanically connected.
5. a kind of high-precision atmosphere particle monitoring according to claim 1 scans polarization lidar system, feature
It is:The scanning system further includes control system, and the control system is located in shell, the horizontal rotation case and vertical rotation
Be both provided with scanning reflection mirror in turnning box, the vertical rotary case be provided with except condensation system far from the one end for rotating horizontally case and
Outgoing receives window.
6. a kind of high-precision atmosphere particle monitoring according to claim 1 scans polarization lidar system, feature
It is:The signal processing system is electrically connected with optical singnal processing system, and the signal processing system includes small signal fortune
Place system and high speed acquisition component, the high speed acquisition component includes high-speed collection card.
7. a kind of high-precision atmosphere particle monitoring according to claim 1 scans polarization lidar system, feature
It is:The optical singnal processing system includes collection len, beam dividing lens, first end lens, second end lens, first
Photomultiplier and the second photomultiplier;The collection len, beam dividing lens, first end lens and the first photoelectricity times
Increasing pipe, which is of a straight line type, to be sequentially arranged, and the beam dividing lens, second end lens and the second photomultiplier are of a straight line type successively
Arrangement, the collection len are corresponding at the position that receive-transmit system end profile light projects.
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| CN201810470647.9A CN108693088B (en) | 2018-05-17 | 2018-05-17 | Atmospheric particulate monitoring scanning polarization laser radar system |
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|---|---|---|---|
| CN201810470647.9A CN108693088B (en) | 2018-05-17 | 2018-05-17 | Atmospheric particulate monitoring scanning polarization laser radar system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045392A (en) * | 2019-05-23 | 2019-07-23 | 南京信息工程大学 | It is a kind of for scanning the laser radar system of atmospheric aerosol |
| CN110109492A (en) * | 2019-03-21 | 2019-08-09 | 深圳市速腾聚创科技有限公司 | Laser transmitting system and its control method and device |
| CN110187361A (en) * | 2019-05-23 | 2019-08-30 | 中国科学技术大学 | Laser radar atmospheric seeing system based on railway network |
| CN116165682A (en) * | 2023-03-14 | 2023-05-26 | 兰州大学 | Portable atmosphere monitoring laser radar system |
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