CN108444950A - A kind of air water mist laser energy decaying simulator - Google Patents
A kind of air water mist laser energy decaying simulator Download PDFInfo
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- CN108444950A CN108444950A CN201810486223.1A CN201810486223A CN108444950A CN 108444950 A CN108444950 A CN 108444950A CN 201810486223 A CN201810486223 A CN 201810486223A CN 108444950 A CN108444950 A CN 108444950A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 239000003595 mist Substances 0.000 title claims abstract description 80
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 238000002834 transmittance Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
- G01N2021/391—Intracavity sample
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- Spectroscopy & Molecular Physics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Optics & Photonics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention provides a kind of air water mist laser energy decaying simulators, which is characterized in that including a laser beam emitting device, a water fog medium case, a water fog generator, a laser receiver, a laser power measurement device and a data processing equipment；The water fog generator is connected to the water fog medium case, and for conveying water mist to the water fog medium case, the spraying duration of the water fog generator is not less than 10 minutes, and ranging from 3 microns to 5 microns of atomizing particle size, mist formation amount is more than or equal to 5500ml/h；The laser beam emitting device is transmitted by the thang-kng portion of the water fog medium case and is received by the laser receiver for emitting laser, laser；The laser power measurement device is connect with the laser receiver, for measuring the laser power data received, the data processing equipment is connect with the laser power measurement device, for analyzing power of the laser before and after the water fog medium case and calculating laser power attenuation parameter.
Description
Technical field
The present invention relates to laser in the different water mist concentration environments simulation test of attenuation degree more particularly to a kind of air
Water mist laser energy decaying simulator.
Background technology
With the development of social science and technology, information content magnanimity increases, and traditional data transfer mode is since there are bandwidth
The problem of limitation, can no longer meet the transmission demand of increasingly increased data volume.Currently, optical communication due to bandwidth compared with
Width, the very fast feature of transmission speed, is paid attention to and is conducted a research extensively by countries in the world, but laser transmission is affected by atmospheric effects relatively sternly
Weight, to influence speed and the accuracy of test.
Invention content
In view of this, declining it is necessory to provide a kind of air water mist laser energy that can improve test speed and accuracy
Subtract simulator.
The purpose of the present invention is realized using following technical scheme：
A kind of air water mist laser energy decaying simulator, which is characterized in that including a laser beam emitting device, a water mist
Medium box, a water fog generator, a laser receiver, a laser power measurement device and a data processing equipment；It is described
Water fog generator is connected to the water fog medium case, and for conveying water mist to the water fog medium case, the water mist fills
The spraying duration set is not less than 10 minutes, ranging from 3 microns to 5 microns of atomizing particle size, and mist formation amount is more than or equal to 5500ml/
h；The laser beam emitting device is transmitted and by the thang-kng portion of the water fog medium case by the laser for emitting laser, laser
Reception device receives；The laser power measurement device is connect with the laser receiver, for measuring the laser received
Power data, the data processing equipment are connect with the laser power measurement device, and the water mist is passed through for analyzing laser
Power before and after medium box simultaneously calculates laser power attenuation parameter；The laser power attenuation parameter passes through laser transmittance table
Show, which refers to the ratio that laser passes through energy before and after water fog medium, and calculation formula is：
Compared with prior art, air water mist laser energy decaying simulator provided by the invention is by simulating different water
To the attenuation degree of laser under mistiness degree, the infrared system index comprehensive test problem of different field angles can be solved, realizes and surveys
The facilitation of examination and accuracy.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of air water mist laser energy decaying simulator provided in an embodiment of the present invention.
Fig. 2 is the operation principle schematic diagram of air water mist laser energy decaying simulator provided in an embodiment of the present invention.
Icon：10- air water mist laser energies decaying simulator；11- laser beam emitting devices；111- lasers；12- water
Mist generation device；120- injection spray pipes；121- water mist controllers；122- water mist concentrations detectors；123- signal condition data conversions
Module；13- water fog medium casees；14- laser receivers；15- laser power measurement devices；150- laser power meters；151- numbers
According to capture card；16- data processing equipments；17- display devices；
Specific implementation mode
To keep the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit and wants below
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained without creative efforts belongs to this
Invent the range of protection.
It please refers to Fig.1 and Fig. 2, the present invention provides a kind of air water mist laser energy decaying simulator 10, including one swashs
Light emitting devices 11, a water fog medium case 13, a water fog generator 12, a laser receiver 14, a laser power measurement
Device 15 and a data processing equipment 16；The water fog generator 12 is connected to the water fog medium case 13, is used for described
Water fog medium case 13 conveys water mist；The laser beam emitting device 11 and the laser receiver 14 are respectively arranged at the water mist
13 both sides of medium box, the laser that the laser beam emitting device 11 emits pass through the thang-kng portion transmission of the water fog medium case 13 and quilt
The laser receiver 14 receives；The laser power measurement device 15 is connect with the laser receiver 14, for surveying
The laser power data received is measured, the data processing equipment 16 is connect with the laser power measurement device 15, for dividing
Analysis laser pass through the water fog medium case 13 before and after power and calculate laser power attenuation parameter.
The laser beam emitting device 11 is set to the side of the water fog medium case 13, and the laser beam emitting device 11 is used for
Transmitting laser simultaneously measures energy value of the laser before water fog medium, and the laser of transmitting enters the water fog medium case 13 and passes
It is defeated.The concrete structure of the laser beam emitting device 11 is unlimited.In the present embodiment, the laser beam emitting device 11 includes a laser
111 and a laser power control (not shown), the laser power control be used to control the transmitting work(of the laser 111
Rate.
The water fog medium case 13 is used to accommodate the water mist of various concentration.The water fog medium case 13 has a thang-kng portion,
The thang-kng portion is for making laser irradiation pass into water fog medium and exporting.In order to reduce decaying of the light pass surface to Quantum Light Fields
And the quartz glass of plated film can be used in influence of the reflected light to imaging, the thang-kng portion.In the present embodiment, the water fog medium case
13 opposite two side walls are thang-kng portion, and the laser beam emitting device 11 and laser pick-off dress is respectively set in the both sides in the thang-kng portion
Set 14.
The water fog generator 12 is connected to by an injection spray pipe 120 with the water fog medium case 13.It is described in order to ensure
The injection spray pipe 120 is placed in 13 side of water fog medium case and is sent out with the water mist by the overall aesthetics of water fog medium case 13
Generating apparatus 12 connects.The injection spray pipe 120 is used to the water mist generated in the water fog generator 12 being conveyed to the water mist
Medium box 13.
The water fog generator 12 includes a water fog generator (not shown), water mist controller 121, the spy of water mist concentration
Survey device 122.The water mist controller 121 is used to control the mist flow and water mist size of the water fog generator, the water mist
Generator generates a large amount of water droplet, and the water fog medium case 13 is ejected by the injection spray pipe 120；The water mist concentration detection
Device 122 is used to the water mist concentration feedback in the water fog medium case 13 make to control spray amount to the water mist controller 121
The water mist concentration of the water fog medium case 13 maintains to stablize.In the present embodiment, the water fog generator uses DI water mist devices, can
Generate 1 μm -10 μm of water droplet.
The water fog generator can simulate different air water mist environment by adjustable spraying flow and size.The present embodiment
In, the longest spray time of the water fog generator can reach 30min, and be not less than 10min；The water fog generator
Atomizing particle size is 3 microns to 5 microns；Mist formation amount is more than or equal to 5500ml/h；The liquid tankage of the water fog generator is
3000 milliliters.Preferably, the spraying duration of the water fog generator is 20 minutes, ranging from 4 microns of atomizing particle size, at
Mist amount is 7000ml/h.
The laser receiver 14 is used to receive the laser come out from the water fog medium case 13 and measures the laser
Energy value.The concrete structure of the laser receiver 14 is unlimited.In the present embodiment, the laser receiver 14 is set to institute
State the side opposite with the laser beam emitting device 11 of water fog medium case 13.
The laser power measurement device 15 is used to measure the power of the laser come out from the water fog medium case 13.This reality
It applies in example, the laser power measurement device 15 includes a laser power meter 150 and a Data Acquisition Card 151, the laser work(
The laser energy signal that the laser receiver 14 measures is converted to power signal, the data collecting card by rate meter 150
Power signal is converted to digital signal by 151.
The range ability of the laser power meter 150 is 0W~200W；Measurable wave band is 405nm~2000nm；Institute
The measurement accuracy for stating laser power meter 150 is less than ± 3%.
The data processing equipment 16 is used to handle the power data that the laser power measurement device 15 measures, to
Obtain laser power attenuation parameter.The data processing equipment 16 receives laser power data, by digital filtering, swashs with described
The laser emitting power of light emitting devices 11 is compared, and laser attenuation parameter is calculated.In the present embodiment, the laser power decaying
Parameter can indicate that the laser transmittance refers to the ratio that laser passes through energy before and after water fog medium, meter by laser transmittance
Calculating formula is：
Can also Laser emission energy further be arranged by the laser controller in the data processing equipment 16；It also can be real
The water mist concentration detected is passed through a signal condition number by existing water mist concentration pid control algorithm, the water mist concentrations detectors 122
It is transferred to the data processing equipment 16 according to conversion module 123, which is arranged by the water mist controller
Water mist concentration.
Further, the air water mist laser energy decaying simulator may include a height-adjustable mobile platform
(not shown), the mobile platform can adjust height as needed in use for placing the water fog medium case 13.
In the present embodiment, the height of the mobile platform is 800mm, and total height adjustable extent is -20mm~30mm；The mobile platform
Load-bearing be 2 tons.
Further, air water mist laser energy decaying simulator 10 may include a display device 17, for
Family shows the laser power attenuation parameter, allows users to can be visually seen.Preferably, the data processing equipment 16 and described
Display device 17 is realized using Unified Device, such as tablet computer, computer, mobile phone.In the present embodiment, the data processing dress
Set 16 and the use of the display device 17 same computer realization.
Air water mist laser energy decaying simulator 10 provided by the invention is by simulating under different water mist concentration to swashing
The attenuation degree of light, can solve different field angles infrared system index comprehensive test problem, realize test facilitation and
Accuracy.Air water mist laser energy decaying simulator 10 can be used for when different vapour concentrations laser beam in atmospheric environment
The emulation testing of remote transmission energy attenuation degree；It can also be used for the accurate calculating of laser communication gear energy early period link.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- The simulator 1. a kind of air water mist laser energy is decayed, which is characterized in that be situated between including a laser beam emitting device, a water mist Matter case, a water fog generator, a laser receiver, a laser power measurement device and a data processing equipment；The water Mist generation device is connected to the water fog medium case, for conveying water mist, the water fog generator to the water fog medium case The spraying duration be not less than 10 minutes, ranging from 3 microns to 5 microns of atomizing particle size, mist formation amount be more than or equal to 5500ml/h； The laser beam emitting device is transmitted by the thang-kng portion of the water fog medium case and is connect by the laser for emitting laser, laser Receiving apparatus receives；The laser power measurement device is connect with the laser receiver, for measuring the laser work(received Rate data, the data processing equipment are connect with the laser power measurement device, are situated between across the water mist for analyzing laser Power before and after matter case simultaneously calculates laser power attenuation parameter；The laser power attenuation parameter passes through laser transmittance table Show, which refers to the ratio that laser passes through energy before and after water fog medium, and calculation formula is：
- The simulator 2. air water mist laser energy as described in claim 1 is decayed, which is characterized in that the water mist fills It sets including a water fog generator, water mist controller, water mist concentrations detectors, the water mist controller is for controlling the water mist hair The mist flow and water mist size of raw device, the water mist concentrations detectors are used for the water mist concentration in the water fog medium case is anti- It feeds the water mist controller.
- The simulator 3. air water mist laser energy as described in claim 1 is decayed, which is characterized in that the water mist fills The up to 30 minutes spraying duration set.
- The simulator 4. air water mist laser energy as described in claim 1 is decayed, which is characterized in that the laser power is surveyed It includes a laser power meter and a Data Acquisition Card to measure device, and the laser power meter is used in the laser receiver to swash Light energy signal is converted to power signal, and power signal is converted to digital signal by the data collecting card.
- The simulator 5. air water mist laser energy as claimed in claim 4 is decayed, which is characterized in that the laser power meter Range ability be 0W~200W, measurement accuracy be less than ± 3%.
- The simulator 6. air water mist laser energy as claimed in claim 4 is decayed, which is characterized in that the laser power meter Measurement wave band be 405nm~2000nm.
- The simulator 7. air water mist laser energy as described in claim 1 is decayed, which is characterized in that the water mist fills The spraying duration set is 20 minutes, ranging from 4 microns of atomizing particle size, and mist formation amount is 7000ml/h.
- The simulator 8. air water mist laser energy as described in claim 1 is decayed, which is characterized in that the water fog medium case Thang-kng portion use plated film quartz glass.
- The simulator 9. air water mist laser energy as described in claim 1 is decayed, which is characterized in that further comprise that one can The mobile platform of height is adjusted, the mobile platform is for placing the water fog medium case.
- The simulator 10. air water mist laser energy as described in claim 1 is decayed, which is characterized in that further comprise one Display device, for showing the laser power attenuation parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486223.1A CN108444950A (en) | 2018-05-21 | 2018-05-21 | A kind of air water mist laser energy decaying simulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486223.1A CN108444950A (en) | 2018-05-21 | 2018-05-21 | A kind of air water mist laser energy decaying simulator |
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| Publication Number | Publication Date |
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| CN108444950A true CN108444950A (en) | 2018-08-24 |
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| CN201810486223.1A Pending CN108444950A (en) | 2018-05-21 | 2018-05-21 | A kind of air water mist laser energy decaying simulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108612A (en) * | 2019-05-29 | 2019-08-09 | 长春理工大学 | Sea fog simulator and test method for the measurement of sea light-transfer characteristic |
| CN114056609A (en) * | 2021-12-15 | 2022-02-18 | 中国航天空气动力技术研究院 | Target detection environment ground simulation system |
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| US5004338A (en) * | 1989-03-01 | 1991-04-02 | Morrow Clifford E | Method and apparatus for attenuation and measurement of laser power at the end of a laser guide |
| CN1199962A (en) * | 1998-01-15 | 1998-11-25 | 和能控股有限公司 | Laser air transmission method |
| WO2012091580A1 (en) * | 2010-12-30 | 2012-07-05 | Przemyslowy Instytut Maszyn Rolniczych | A method of monitoring agrotechnical spraying consisting in detection of the presence in the atmosphere of chemical substances in the form of aqueous aerosols and a system for the application of this method. |
| CN203148566U (en) * | 2013-03-27 | 2013-08-21 | 桂林电子科技大学 | Portable measuring instrument for underwater laser attenuation degree |
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-
2018
- 2018-05-21 CN CN201810486223.1A patent/CN108444950A/en active Pending
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|---|---|---|---|---|
| US5004338A (en) * | 1989-03-01 | 1991-04-02 | Morrow Clifford E | Method and apparatus for attenuation and measurement of laser power at the end of a laser guide |
| CN1199962A (en) * | 1998-01-15 | 1998-11-25 | 和能控股有限公司 | Laser air transmission method |
| WO2012091580A1 (en) * | 2010-12-30 | 2012-07-05 | Przemyslowy Instytut Maszyn Rolniczych | A method of monitoring agrotechnical spraying consisting in detection of the presence in the atmosphere of chemical substances in the form of aqueous aerosols and a system for the application of this method. |
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| Title |
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| 刘霞等: ""激光雾中传输衰减实验系统设计研究"", 《激光杂志》, vol. 39, no. 3, pages 118 - 120 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108612A (en) * | 2019-05-29 | 2019-08-09 | 长春理工大学 | Sea fog simulator and test method for the measurement of sea light-transfer characteristic |
| CN114056609A (en) * | 2021-12-15 | 2022-02-18 | 中国航天空气动力技术研究院 | Target detection environment ground simulation system |
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