CN104089651A - Smog environment simulation device for testing polarization laser transmission features - Google Patents
Smog environment simulation device for testing polarization laser transmission features Download PDFInfo
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- CN104089651A CN104089651A CN201410331244.8A CN201410331244A CN104089651A CN 104089651 A CN104089651 A CN 104089651A CN 201410331244 A CN201410331244 A CN 201410331244A CN 104089651 A CN104089651 A CN 104089651A
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Abstract
The invention discloses a smog box simulation device for testing the polarization laser transmission rule under complex environments. The smog environment simulation device comprises a smog simulation pool. The two ends of the smog simulation pool are provided with a laser transmitting window and a laser receiving window corresponding to the laser transmitting window, and the two sides of the smog simulation pool are provided with a smog gas inlet, a smog gas outlet, a test instrument window and an air conditioner opening. A laser transmitting device is arranged outside the laser transmitting window, the laser receiving test device is arranged outside the laser receiving window, the smog gas inlet is connected with a smog generation device, a smog detection device is arranged outside the test instrument window, and the air conditioner opening is connected with a temperature and humidity adjusting device. The smog environment simulation device is used for visible light wave bands, near-infrared and long wave infrared through the research on the smog box simulation device.
Description
Technical field
The present invention occurs and particle detection system based on smog, for the simulation of polarization laser transport property and integration test under complex environment, belongs to Photoelectric Detection field.
Background technology
In atmospheric polarization laser communication, due to impacts such as the absorption of atmosphere, scattering, turbulent flows, polarized laser beam will occur communication quality being affected the phenomenons such as decay, flicker, skew, intensity and phase fluctuation in transmitting procedure.When serious, may make polarization laser communication carry out.And in optical communication research affect light transmission quality especially with flue dust, the effect such as haze and other fine particles is obvious.
Laser Transmission characteristic being carried out to a large amount of simulation tests both at home and abroad, is main mainly with single simulation.Tested media is generally sand and dust, or is water smoke.The for example simulation to mist, by controlling steam generating means voltage, reaches the requirement of fog concentration.For example use again smoke agent, after burning, produce haze effect.Visible traditional assay method Reality simulation situation is single, and scope applicatory is little, can not quantitative and qualitative analysis, and cannot form unified standard to the medium of simulation, be unfavorable for carrying out laser is transmitted to rule under complex environment.
Summary of the invention
The present invention is in order to simulate more truly polarization laser in complicated smog environment transmission, the concentration of smog, grain diameter, the impact of humiture on polarization laser transmission result, explore polarization laser and in complex environment, transmit rule, improve accuracy, convenience, the repeatability of emulation experiment, be object for multidisciplinary cross-over experiment, proposed the smog box analogue means of polarization laser transmission rule under complex environment.
In order to solve existing problem in background technology, it comprises smoke simulation pond 1, these 1 two ends, smoke simulation pond are provided with Laser emission window 7 and the laser pick-off window 8 corresponding with it and are arranged on the smog gas inlet 9 of its both sides, gas exhaust port 10, testing tool window 12 and air louver 13, described Laser emission window 7 outsides are provided with laser beam emitting device 2, in described laser pick-off window 8, laser pick-off proving installation 3 is installed, described smog gas inlet 9 is connected with smoke generating device 4, described testing tool window 12 outsides are provided with mist detecting device 5, described air louver 13 connects temp and humidity regulator 6.
Described laser pick-off proving installation 3 comprises spectrometer 3-1, energy meter 3-2, polarization state measuring instrument 3-3 and imaging camera 3-4.
Described smoke generating device 4 comprises aerosol generator 4-1, ultrasonic ultrasonic delay line memory 4-2 and combustion gas generator 4-3.
Described mist detecting device 5 comprises powder sampling instrument 5-1, visibility testing tool 5-2, smokescope testing tool 5-3 and smoke particle particle diameter testing tool 5-4 composition.
Described temp and humidity regulator 6 comprises automatic meteorological device 6-1 and air-conditioning 6-2.
In described smoke simulation pond 1, agitation fan 11 is installed.
Owing to having adopted above technical scheme, the present invention has following beneficial effect: by research smog box analogue means, can be used for visible light wave range, near infrared, LONG WAVE INFRARED.
Brief description of the drawings
In order to be illustrated more clearly in the present invention, below in conjunction with accompanying drawing, embodiment is briefly described.
Fig. 1 is structural representation of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Embodiment 1
Referring to Fig. 1, it comprises smoke simulation pond 1, these 1 two ends, smoke simulation pond are provided with Laser emission window 7 and the laser pick-off window 8 corresponding with it and are arranged on the smog gas inlet 9 of its both sides, gas exhaust port 10, testing tool window 12 and air louver 13, described Laser emission window 7 outsides are provided with laser beam emitting device 2, in described laser pick-off window 8, laser pick-off proving installation 3 is installed, described smog gas inlet 9 is connected with smoke generating device 4, described testing tool window 12 outsides are provided with mist detecting device 5, described air louver 13 connects temp and humidity regulator 6.
Described laser pick-off proving installation 3 comprises spectrometer 3-1, energy meter 3-2, polarization state measuring instrument 3-3 and imaging camera 3-4.
Described smoke generating device 4 comprises aerosol generator 4-1, ultrasonic ultrasonic delay line memory 4-2 and combustion gas generator 4-3.
Described mist detecting device 5 comprises powder sampling instrument 5-1, visibility testing tool 5-2, smokescope testing tool 5-3 and smoke particle particle diameter testing tool 5-4 composition.
Described temp and humidity regulator 6 comprises automatic meteorological device 6-1 and air-conditioning 6-2.
In described smoke simulation pond 1, agitation fan 11 is installed.
Embodiment 2
The long 2.5m that described smoke simulation pond 1 entirety is surrounded by stainless-steel sheet, wide 2.5m, the rectangular structure of high 1.2m, is coated with light absorbent on its inwall;
The smog environment of simulating in smoke simulation pond carries out Laser Transmission characteristic test, and the step of its method of testing is as follows:
1, default experimental enviroment: by automatic meteorological device 6-1, measure humiture in smoke simulation pond, use air-conditioning 6-2 to regulate humiture in smog box.
2, there is simulation smoke: open corresponding smoke generating device 4 according to the smog environment that will simulate.
3, monitoring smoke condition: open air intake opening 9, smoke simulation pond 1 is full of smog gas, then opens agitation fan 11, and smog is stirred; Use mist detecting device 5 to measure and monitor in smog pond the parameters such as fog concentration, grain size, visibility, particulate component.
4, by laser beam emitting device 2 Emission Lasers, receive laser by laser pick-off proving installation 3, spectrometer 3-1 detection laser spectrum, energy meter 3-2 detection laser energy, polarization state measuring instrument 3-3 detection laser polarization state, imaging camera 3-4 carries out imaging collection to laser facula.
5, carry out cyclic test: after off-test, change the experiment condition such as concentration and grain size of smog, proceed to measure; Or the kind of change smog, proceed to measure.
6,, after Laser Transmission characteristic test finishes, close laser beam emitting device 2 and corresponding laser pick-off proving installation 3; Close smog gas generating unit 4; Close mist detecting device 5, open gas exhaust port 10 vent gas, cleaning smog pond.
Embodiment 3
The smog environment of simulating in smoke simulation pond carries out Laser Transmission characteristic test, and the step of its experiment is as follows:
1. default experimental enviroment: by automatic meteorological device 6-1, measure humiture in smoke simulation pond, regulate humiture in smog box by air-conditioning 6-2, to meet required experiment condition.
2. there is simulation smoke: open corresponding smoke generating device 4 according to the smog environment that will simulate, if want simulating atmospheric environment, select aerosol generator 4-1; If simulate water smoke environment, select ultrasonic ultrasonic delay line memory 4-2; If the cigarette of wanting simulation substance burning to produce, selective combustion gas generator 4-3.
3. monitoring smoke condition: open air intake opening 9, make to be full of smog gas in smoke simulation pond 1, open agitation fan 11, smog is stirred; Open powder sampling instrument 5-1, visibility testing tool 5-2, smokescope testing tool 5-3 and smoke particle particle diameter testing tool 5-4 etc.Measure and monitoring smog pond in the parameter such as fog concentration, grain size, visibility, particulate component.
4. Laser Transmission characteristic test: by laser beam emitting device 2 Emission Lasers, receive laser by laser pick-off proving installation 3, spectrometer 3-1 testing laser spectrum, energy meter 3-2 testing laser energy, polarization state measuring instrument 3-3 testing laser polarization state, imaging camera 3-4 carries out imaging collection to laser facula.
5. cyclic test: after battery of tests finishes, can return to step 3, change the experiment condition such as concentration and grain size of smog, proceed to measure; Or return to step 2 and change the kind of smog, proceed to measure.
6. after Laser Transmission characteristic test finishes, close laser beam emitting device 2, close laser pick-off proving installation 3; Close smog gas generating unit 4; Close mist detecting device 5, open gas exhaust port 10 vent gas, cleaning smog pond.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art should be appreciated that its technical scheme that still can record aforementioned each embodiment modifies, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. the smog box analogue means of polarization laser transmission rule under complex environment, it is characterized in that it comprises smoke simulation pond (1), these two ends, smoke simulation pond (1) are provided with Laser emission window (7) and the laser pick-off window (8) corresponding with it and are arranged on the smog gas inlet (9) of its both sides, gas exhaust port (10), testing tool window (12) and air louver (13), described Laser emission window (7) outside is provided with laser beam emitting device (2), in described laser pick-off window (8), laser pick-off proving installation (3) is installed, described smog gas inlet (9) is connected with smoke generating device (4), described testing tool window (12) outside is provided with mist detecting device (5), described air louver (13) connects temp and humidity regulator (6).
According to claim 1 under complex environment the smog box analogue means of polarization laser transmission rule, it is characterized in that described laser pick-off proving installation (3) comprises spectrometer (3-1), energy meter (3-2), polarization state measuring instrument (3-3) and imaging camera (3-4).
According to claim 1 under complex environment the smog box analogue means of polarization laser transmission rule, it is characterized in that described smoke generating device (4) comprises aerosol generator (4-1), ultrasonic ultrasonic delay line memory (4-2) and combustion gas generator (4-3).
According to claim 1 under complex environment the smog box analogue means of polarization laser transmission rule, it is characterized in that described mist detecting device (5) comprises that powder sampling instrument (5-1), visibility testing tool (5-2), smokescope testing tool (5-3) and smoke particle particle diameter testing tool (5-4) form.
According to claim 1 under complex environment the smog box analogue means of polarization laser transmission rule, it is characterized in that described temp and humidity regulator (6) comprises automatic meteorological device (6-1) and air-conditioning (6-2).
According to claim 1 under complex environment the smog box analogue means of polarization laser transmission rule, it is characterized in that, in described smoke simulation pond (1), agitation fan (11) is installed.
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| CN201410331244.8A CN104089651A (en) | 2014-07-06 | 2014-07-06 | Smog environment simulation device for testing polarization laser transmission features |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865224A (en) * | 2015-06-05 | 2015-08-26 | 长春理工大学 | Division-of-amplitude type measurement method of patterns in scattering characteristic Mueller matrix for smoke medium |
| CN106000484A (en) * | 2016-07-13 | 2016-10-12 | 西安建筑科技大学 | Photochemical simulation smog chamber |
| CN107340207A (en) * | 2017-07-05 | 2017-11-10 | 长春理工大学 | The measuring method of gray haze KPT Scatter effect based on Polarization Detection |
| CN107764399A (en) * | 2017-11-16 | 2018-03-06 | 长春理工大学 | The verification method of non-homogeneous smoky environment polarization transfer characteristics experiment and emulation |
| CN107941711A (en) * | 2017-11-16 | 2018-04-20 | 长春理工大学 | Multilayer dielectricity polarization transfer characteristics experiment test and the verification method of Computer Simulation |
| CN109541588A (en) * | 2018-11-16 | 2019-03-29 | 北京遥感设备研究所 | The confined space fugitive dust test macro of air duct circulation |
| 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 |
| CN110763628A (en) * | 2019-11-18 | 2020-02-07 | 福州大学 | Multifunctional smoke and fog box device and working method thereof |
| CN110927071A (en) * | 2019-12-16 | 2020-03-27 | 长春理工大学 | Method for verifying polarization transmission characteristic test and simulation of sea fog environment under influence of illumination |
| CN112827515A (en) * | 2020-12-08 | 2021-05-25 | 南京理工大学 | Concentration-controllable smoke environment test field and test method |
| CN114527046A (en) * | 2022-01-05 | 2022-05-24 | 上海应用技术大学 | Visual acuity testing arrangement under multifactor influence |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865224A (en) * | 2015-06-05 | 2015-08-26 | 长春理工大学 | Division-of-amplitude type measurement method of patterns in scattering characteristic Mueller matrix for smoke medium |
| CN106000484A (en) * | 2016-07-13 | 2016-10-12 | 西安建筑科技大学 | Photochemical simulation smog chamber |
| CN107340207B (en) * | 2017-07-05 | 2020-03-10 | 长春理工大学 | Method for measuring haze particle scattering effect based on polarization detection |
| CN107340207A (en) * | 2017-07-05 | 2017-11-10 | 长春理工大学 | The measuring method of gray haze KPT Scatter effect based on Polarization Detection |
| CN107764399A (en) * | 2017-11-16 | 2018-03-06 | 长春理工大学 | The verification method of non-homogeneous smoky environment polarization transfer characteristics experiment and emulation |
| CN107941711A (en) * | 2017-11-16 | 2018-04-20 | 长春理工大学 | Multilayer dielectricity polarization transfer characteristics experiment test and the verification method of Computer Simulation |
| CN109541588A (en) * | 2018-11-16 | 2019-03-29 | 北京遥感设备研究所 | The confined space fugitive dust test macro of air duct circulation |
| CN109541588B (en) * | 2018-11-16 | 2023-03-21 | 北京遥感设备研究所 | Closed space raise dust test system of wind channel circulation |
| 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 |
| CN110763628A (en) * | 2019-11-18 | 2020-02-07 | 福州大学 | Multifunctional smoke and fog box device and working method thereof |
| CN110927071A (en) * | 2019-12-16 | 2020-03-27 | 长春理工大学 | Method for verifying polarization transmission characteristic test and simulation of sea fog environment under influence of illumination |
| CN110927071B (en) * | 2019-12-16 | 2022-10-11 | 长春理工大学 | Verification method for testing and simulating polarization transmission characteristics of sea fog environment under influence of illumination |
| CN112827515A (en) * | 2020-12-08 | 2021-05-25 | 南京理工大学 | Concentration-controllable smoke environment test field and test method |
| CN114527046A (en) * | 2022-01-05 | 2022-05-24 | 上海应用技术大学 | Visual acuity testing arrangement under multifactor influence |
| CN114527046B (en) * | 2022-01-05 | 2024-04-09 | 上海应用技术大学 | Visual acuity testing device under multi-factor influence |
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Application publication date: 20141008 |