CN104713852A - Controllable visibility atmosphere simulation system - Google Patents
Controllable visibility atmosphere simulation system Download PDFInfo
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- CN104713852A CN104713852A CN201510059336.XA CN201510059336A CN104713852A CN 104713852 A CN104713852 A CN 104713852A CN 201510059336 A CN201510059336 A CN 201510059336A CN 104713852 A CN104713852 A CN 104713852A
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Abstract
The invention relates to a controllable visibility atmosphere simulation system. The controllable visibility atmosphere simulation system is characterized in that the controllable visibility atmosphere simulation system is mainly formed by an atmosphere environment simulation bin, an aerosol generation system, an air feed circulation system, an ultra clean chamber, an external display system and a control system, the aerosol generation system is arranged outside the atmosphere environment simulation bin, one end portion of the atmosphere environment simulation bin is provided with the air supply circulation system, the other end of the atmosphere environment simulation bin is provided with the ultra clean chamber, the external display system and the control system are arranged in the ultra clean chamber, the atmosphere environment simulation bin is provided with an aerosol jet opening, and the atmosphere environment simulation bin is also provided with an air inlet and an air outlet. The controllable visibility atmosphere simulation system has the characteristics of control of the generating, mixing and discharging of aerosol, accurate control of the discharge kind, the discharge capacity and the discharge speed of the aerosol, realization of atmosphere environment-based truth approximation simulation, and provision of guarantee for a visibility meter calibrating system.
Description
Technical field
The present invention relates to visibility sniffer, particularly a kind of controlled visibility atmospheric simulation system.
Background technology
Visibility is one of the important meteorologic factor ensureing flight safety, is to judge the open or closedown in airport, take off or the important evidence of land, adopt visual flight or instrument flight.The Measurement accuracy of visibility has important practical value and Research Significance.
At present, what the big-and-middle-sized airport of China used is nearly all MITRAS atmospheric transmission instrument that VAISALA company of Finland produces and FD12P type forward scattering instrument, the price of equipment purchase is very expensive, because equipment does not have the intellecture property of oneself, the maintenance, repair of post facility and upgrading is caused to spend huge especially.Even so, China is vast in territory, airport is numerous, atmospheric environment and Atmospheric components difference huge, different Atmospheric components on extinction coefficient or atmospheric transmittance impact huge, the difference of extinction coefficient or atmospheric transmittance directly has influence on the precision of visibility measurement instrument, and relates to the algorithm of extinction coefficient inverting visibility and software rests in abroad, cause the accuracy of the external existing instrument of our purchase at present and reliability difference comparatively large, bring very large difficulty to the application of the practical business of civil aviaton.
The precision of visiometer and measuring error are the important indicators of visibility measurement instrument, and the true visibility of air is subject to the impact of the factor such as vision physiological of the optical characteristics of target, target background characteristic, air degree of uniformity and people.Visibility measurement instrument in use can be subject to the impact of minute surface pollution, photodetector temperature drift, the discreteness of circuit parameter, the stability of light source, the monochromaticity of light source and the aspect such as the length of System production time, the aging of device in various degree, and the accuracy of measurement and reliability can not meet the requirement of actual use.At present, the visibility apparatus manufacture of countries in the world all adopts the relative reference benchmark of oneself to carry out the precision of oneself product of each self-evaluation, there is no unified inspection benchmark.Domestic Civil Aviation Airport lacks regularly the demarcation of transmittance meter and the Laboratory Calibration equipment of calibration.
Current visibility test macro, generally take the simulated atmosphere cabin of indoor 8 meters * 4 meters * 4 meters to be used for testing the environment of visibility instrument and equipment, but application testing effect is undesirable.Its major defect comprises: baseline is too short, and sampled point causes the fluctuation of average visibility very little; In indoor, artificial shields the sun and environmental background noise; There is no the mobility etc. of simulated environment.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of controlled visibility atmospheric simulation system, it can realize the approximate real simulation based on atmospheric environment.
The present invention solves its technical matters and is achieved through the following technical solutions:
A kind of controlled visibility atmospheric simulation system, it is characterized in that: primarily of atmospheric environment boiler-plate, gasoloid generation systems, the air feed circulation system, clean room, outside display system and control system are formed, at the outer setting gasoloid generation systems of atmospheric environment boiler-plate, in atmospheric environment boiler-plate one end, the air feed circulation system is installed, at the other end of atmospheric environment boiler-plate, clean room is set, at ultra-clean indoor location outside display system, control system, atmosphere simulating conditions cabin is provided with aerosol spray outlet, atmosphere simulating conditions cabin is provided with air intake opening and gas outlet.
And, the both sides of the cabin body of described atmospheric environment boiler-plate are arranged at intervals with the admission line of the air feed circulation system, the aerosol spray that is crisscross arranged on body lower inside ground, cabin and both sides admission line exports, the outlet of this aerosol spray is all provided with aerosol control valve, and admission line is provided with air intake control valve.
And the described air feed circulation system also comprises the horizontal sinuous flow fan and longitudinal axial flow blower fan installed in the body of cabin.
And the described air feed circulation system also comprises and is positioned at many gas passages through bottom the cabin body of atmospheric environment boiler-plate.
And atmosphere simulating conditions cabin is provided with air intake opening and gas outlet, air intake opening and gas outlet are all provided with electric control valve, ensure open type and enclosed two kinds of recycle design of internal gas flow.
And, in clean room, be provided with Airshower chamber, in atmosphere simulating conditions cabin, be provided with 1-3 Airshower chamber.
And, described atmospheric environment boiler-plate is cross section is square cabin body, its depth of section is 1-1.5m, width is 1.5-2m, length is 55-65m, and atmospheric environment boiler-plate is tower structure, is made up of installation frame and tempered glass, installation frame is made up of column and crossbeam, and the sidewall of atmospheric environment boiler-plate adopts glue doubling steel glass.
And, in described cabin body, background light level meter is installed.
And, in atmosphere simulating conditions cabin, be horizontally installed with the sliding rail of 50-60 rice.
And connect glass room end 3m, 38.2m, 52.76m at atmospheric environment boiler-plate from distance clean room, what arrange three 0.8 meter wide transparently opens access door.
Advantage of the present invention and beneficial effect are:
1, this controlled visibility atmospheric simulation system, by height (thoroughly infrared) acrylic material thoroughly, reduces the shielding action of sunshine in boiler-plate, can embody radiation response and the optical physics chemical reaction of sunshine preferably; Produced the extreme low visibility weather in all kinds of air by all kinds of aerosol generator (dust aerosol generator, black carbon aerosols generator, condensation aerosol generator and electrostatic charge neutralization) in boiler-plate, thus realize the approximate real simulation of atmospheric environment, realize demarcating visiometer.
2, this controlled visibility atmospheric simulation system, the both sides of the cabin body of gas environmental capsule are arranged at intervals with the admission line of the air feed circulation system, the aerosol spray that is crisscross arranged on body lower inside ground, cabin and both sides admission line exports, the outlet of this aerosol spray is all provided with aerosol control valve, admission line is provided with air intake control valve, the air feed circulation system also comprises horizontal sinuous flow fan and longitudinal axial flow blower fan in the body of cabin, artificial turbulent flow is produced by manufacturing axial and horizontal wind, accelerate all kinds of aerocolloidal Homogeneous phase mixing, in cabin, inner gasoloid flows into and adopts both sides, below, front and back end multi-surface input, internal gas flow adopts controlled multi cycle mode, to ensure that the gasoloid of inner air mixes as far as possible, cabin body internal gas flow mixed uniformly setup time is less than 20 minutes (with dust instrument before simulation storehouse, in, rear 3 tests, reading difference is less than 5 μ g/m3 for cut-off), thus realize reaching true environment fast.
3, controlled visibility atmospheric simulation system, consider atmospheric transmission instrument and forward scattering instrument height and transmitting/receiving end size, by emitter/receiver lens diameter, scattering angle and base length calculating sampling space center distance emitter/receiver height topmost, determine that atmospheric environment boiler-plate is that ground floor is arranged, atmospheric environment boiler-plate is cross section is square cabin body, its depth of section is 1-1.5m, width is 1.5-2m, length is 55-65m, atmospheric environment boiler-plate is tower structure, be made up of installation frame and tempered glass, installation frame is made up of column and crossbeam, the sidewall of atmospheric environment boiler-plate adopts glue doubling steel glass.
4, this controlled visibility atmospheric simulation system, the base length due to atmospheric transmission instrument is the shortest 35m, and also having the atmospheric transmission instrument cabin body section optimal size of 50m base length to be rectangle height is 1.19m, wide 1.6 meters, the long 55.7m of entire body; The column of boiler-plate and crossbeam use channel-section steel 200, surface fluorocarbon-sprayed (blueness), sidewall adopts glue doubling steel glass (thickness 6+6mm), total area 239.6m2, visible and the near-infrared band of transmissive, visible waveband transmitance is greater than 90%, and infrared band (780nm ~ 1000nm) is greater than 70%.
5, this controlled visibility atmospheric simulation system, arranging clean room in atmospheric environment boiler-plate one end is 100,000 grades of clean rooms, for placing outside display system and control system.
6, this controlled visibility atmospheric simulation system, connects glass room end 3m, 38.2m, 52.76m at atmospheric environment boiler-plate from distance clean room, and what arrange three 0.8 meter wide transparently opens access door, is convenient to commissioning device for entering body inside, cabin.
7, this controlled visibility atmospheric simulation system, by height (thoroughly infrared) acrylic material thoroughly, reduces the shielding action of sunshine in boiler-plate, can embody radiation response and the optical physics chemical reaction of sunshine preferably; Produced the extreme low visibility weather in all kinds of air in boiler-plate by all kinds of aerosol generator (dust aerosol generator, black carbon aerosols generator, condensation aerosol generator and electrostatic charge neutralization), thus visiometer is demarcated; Multiple horizontal sinuous flow fan and longitudinal axial flow blower fan again in boiler-plate, producing artificial turbulent flow by manufacturing axial and horizontal wind, accelerating all kinds of aerocolloidal Homogeneous phase mixing; Size is large, distance, can carry out the demarcation of Long baselines visiometer.
8, this controlled visibility atmospheric simulation system, can control aerocolloidal generation mixing and discharge, and can accurately control aerosol discharge kind, discharge capacity, mass rate of emission, realizes the approximate real simulation based on atmospheric environment, for visiometer calibration system provides safeguard.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (stereographic map);
Fig. 2 is structural representation of the present invention;
Fig. 3 is the schematic cross-section of atmospheric environment boiler-plate of the present invention.
Description of reference numerals:
The outlet of the 1-air feed circulation system, 2-gasoloid generation systems, 3-atmospheric environment boiler-plate, 4-Airshower chamber 5-clean room, 6-air filter, 7-air intake opening, 8-mixing chamber, 9-aerosol spray, the horizontal fan of 10-, 11-air filter, 12-gas outlet, 13-longitudinal axial flow blower fan.
Embodiment.
Below by specific embodiment, the invention will be further described, and following examples are just demonstrated descriptive explanation, are not determinate words, can not limit protection scope of the present invention with this.
A kind of controlled visibility atmospheric simulation system, it is primarily of atmospheric environment boiler-plate 3, gasoloid generation systems 2, the air feed circulation system 1, clean room 5, outside display system and control system are formed, at the outer setting gasoloid generation systems of atmospheric environment boiler-plate, in atmospheric environment boiler-plate one end, the air feed circulation system is installed, at the other end of atmospheric environment boiler-plate, clean room is set, at ultra-clean indoor location outside display system, control system, aerosol spray outlet is provided with in atmosphere simulating conditions cabin, atmosphere simulating conditions cabin is provided with air intake opening 7 and gas outlet 12.
The air feed circulation system comprises air compressor and admission line, and the both sides of the cabin body of atmospheric environment boiler-plate are arranged at intervals with the admission line of the air feed circulation system.Air Compressor Equipment running parameter 3m3/min, air intake opening arranges stormproof louvre, middle high efficiency particulate air filter.The three-dimensional nozzle of pressure gas uses reducing hydraucone, connects DN32 coating steel pipe, spout device running parameter 0.1m3/min.Compressed air inside pipeline uses DN50 galvanized steel pipeline and the zinc-plated light tunnel of DN30, is coated with rust protection paint.The air feed circulation system also comprises and is positioned at many gas passages through bottom the cabin body of atmospheric environment boiler-plate.Admission line and gas passage are provided with air intake control valve and electric control valve.Can remote opening and shutoff, be convenient to realize multiple periodic duty mode.
Atmosphere simulating conditions cabin is provided with air intake opening and gas outlet, and the air intake opening of atmospheric environment boiler-plate arranges middle air filtering apparatus 6, and gas outlet arranges middle air filtering apparatus 11.Air intake opening and gas outlet are all provided with electric control valve, ensure open type and enclosed two kinds of recycle design of internal gas flow.Operate in open loop state is for clearing up the residual gas in internal system space; Closed loop operation mode keeps the stability of inner space gas and aerosol component concentration.
The air feed circulation system also comprises the horizontal fan 10 and longitudinal axial flow blower fan 13 installed in the body of cabin.Fan purges continuously, to ensure that the gasoloid of air in cabin mixes as far as possible, cabin body internal gas flow mixed uniformly setup time is less than 30 minutes (with dust instrument 3 tests before, during and after simulation storehouse, reading difference is less than 5 μ g/m3 for cut-off).Under the prerequisite that gasoloid mixes in the body of guarantee cabin, in the body of cabin, wind speed controlled range is 0 ~ 5m/s, and wind speed 5m/s is for removing inner air.
Gasoloid generation systems comprises aerosol generator, air compressor and gasoloid ejection passage, and aerosol generator can be dust aerosol generator, black carbon aerosols generator, condensation aerosol generator and electrostatic charge neutralization.The aerosol spray that is crisscross arranged on body lower inside ground, cabin and both sides admission line exports 9, and the outlet of this aerosol spray is all provided with aerosol control valve.Gasoloid generation systems enters to atmospheric environment boiler-plate after mixing chamber 8.
In clean room, be provided with Airshower chamber 4, in atmosphere simulating conditions cabin, be provided with 1-3 Airshower chamber, cleaning system can be realized, drainage channel and freeing port are set bottom atmospheric environment boiler-plate.
Atmospheric environment boiler-plate is cross section is square cabin body, its depth of section is 1-1.5m, width is 1.5-2m, length is 55-65m, atmospheric environment boiler-plate is tower structure, be made up of installation frame and tempered glass, installation frame is made up of column and crossbeam, and the sidewall of atmospheric environment boiler-plate adopts glue doubling steel glass.The sidewall of atmospheric environment boiler-plate adopts glue doubling steel glass.Surface fluorocarbon-sprayed (blueness), sidewall adopts glue doubling steel glass (thickness 6+6mm), total area 239.6m2, the visible and near-infrared band of transmissive, visible waveband transmitance is greater than 90%, and infrared band (780nm ~ 1000nm) is greater than 70%.Fixing anchor fluke is used to connect.Boiler-plate body possesses certain intensity and resists certain impulsive force, prevents from being destroyed or eaerthquake damage by physical damage or high wind.Fundamental wind pressure: 0.50KN/ ㎡, snow reference pressure: 0.40KN/ ㎡.
In the body of cabin, background light level meter is installed.The sliding rail of 50-60 rice is horizontally installed with in atmosphere simulating conditions cabin.Connect glass room end 3m, 38.2m, 52.76m at atmospheric environment boiler-plate from distance clean room, what arrange three 0.8 meter wide transparently opens access door.
Ensureing that under the prerequisite that in cabin body, gasoloid mixes, in the body of cabin, wind speed controlled range is 0 ~ 5m/s, wind speed 5m/s for removing inner air, and clean for cabin body inside water spray after air-dry.Gas outlet arranges stormproof louvre, high efficiency particulate air filter and motorized adjustment air-valve.
Atmospheric simulation cabin side is tightly connected with a clean room.Clean room adopts fixed sturcture, long 6m, wide 4m, high 3m.Include Airshower chamber, the long 1.4m of Airshower chamber, wide 1m, high 2.1m.Purification efficiency >=0.3 μm dust, air outlet velocity >=25m/s, air circulation 2500m3/h, N=0.75kw.Air-conditioning system is equipped with in monitoring room.
Clean room is for placing control PLC, industry control PC, the system status display of whole system.Entire system duty can be monitored in monitoring room.
Control system and display thereof are positioned in clean room, and it is as follows that control system can complete function:
Control aerocolloidal generation mixing and discharge, and can accurately control aerosol discharge kind, discharge capacity, mass rate of emission.Control clean unwatering system, system is cleaned.
The display of control software design comprises:
When front deck body institute injected gas colloidal sol kind, inject aerocolloidal amount and injection rate, inject aerocolloidal uniformity coefficient.
Can measure transmitance in real time, can measure the visibility corresponding to transmitance, display background luminance brightness, is equipped with data-interface simultaneously, measured data can be sent to outer computer.The Data Comparison realizing showing calibration system and instrument to be measured can be coordinated with calibration system.The measurement result that control system obtains can be transferred to outside display system interface and show.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (10)
1. a controlled visibility atmospheric simulation system, it is characterized in that: primarily of atmospheric environment boiler-plate, gasoloid generation systems, the air feed circulation system, clean room, outside display system and control system are formed, at the outer setting gasoloid generation systems of atmospheric environment boiler-plate, in atmospheric environment boiler-plate one end, the air feed circulation system is installed, at the other end of atmospheric environment boiler-plate, clean room is set, at ultra-clean indoor location outside display system, control system, atmosphere simulating conditions cabin is provided with aerosol spray outlet, atmosphere simulating conditions cabin is provided with air intake opening and gas outlet.
2. controlled visibility atmospheric simulation system according to claim 1, it is characterized in that: the both sides of the cabin body of described atmospheric environment boiler-plate are arranged at intervals with the admission line of the air feed circulation system, the aerosol spray that is crisscross arranged on body lower inside ground, cabin and both sides admission line exports, the outlet of this aerosol spray is all provided with aerosol control valve, and admission line is provided with air intake control valve.
3. controlled visibility atmospheric simulation system according to claim 1, is characterized in that: the described air feed circulation system also comprises the horizontal sinuous flow fan and longitudinal axial flow blower fan installed in the body of cabin.
4. controlled visibility atmospheric simulation system according to claim 1, is characterized in that: the described air feed circulation system also comprises and is positioned at many gas passages through bottom the cabin body of atmospheric environment boiler-plate.
5. controlled visibility atmospheric simulation system according to claim 4, it is characterized in that: atmosphere simulating conditions cabin is provided with air intake opening and gas outlet, air intake opening and gas outlet are all provided with electric control valve, ensure open type and enclosed two kinds of recycle design of internal gas flow.
6. controlled visibility atmospheric simulation system according to claim 1, is characterized in that: in clean room, be provided with Airshower chamber, is provided with 1-3 Airshower chamber in atmosphere simulating conditions cabin.
7. controlled visibility atmospheric simulation system according to claim 1, it is characterized in that: described atmospheric environment boiler-plate is cross section is square cabin body, its depth of section is 1-1.5m, width is 1.5-2m, length is 55-65m, and atmospheric environment boiler-plate is tower structure, is made up of installation frame and tempered glass, installation frame is made up of column and crossbeam, and the sidewall of atmospheric environment boiler-plate adopts glue doubling steel glass.
8. controlled visibility atmospheric simulation system according to claim 1, is characterized in that: install background light level meter in described cabin body.
9. controlled visibility atmospheric simulation system according to claim 1, is characterized in that: the sliding rail being horizontally installed with 50-60 rice in atmosphere simulating conditions cabin.
10. controlled visibility atmospheric simulation system according to claim 1, is characterized in that: connect glass room end 3m, 38.2m, 52.76m at atmospheric environment boiler-plate from distance clean room, and what arrange three 0.8 meter wide transparently opens access door.
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| CN108181267A (en) * | 2017-12-18 | 2018-06-19 | 浙江省计量科学研究院 | A kind of small-sized forward scattering visibility meter calibration system |
| CN109142178A (en) * | 2018-10-26 | 2019-01-04 | 常熟市德虞矿山机电有限公司 | A kind of calibration method of direct-reading dust concentration detector |
| CN110930767A (en) * | 2019-12-04 | 2020-03-27 | 驻马店市公路事业发展中心 | Intelligent highway safety early warning method and early warning system |
| CN112345497A (en) * | 2020-11-24 | 2021-02-09 | 河南省计量科学研究院 | Atmospheric visibility meter calibration system and calibration method thereof |
| CN112729366A (en) * | 2020-12-22 | 2021-04-30 | 同济大学 | Test evaluation method and device for weather simulation equipment for automatic driving field test |
| CN113353298A (en) * | 2021-06-02 | 2021-09-07 | 无锡市航鹄科技有限公司 | Aviation cabin simulation method and cabin simulation equipment |
| CN113551787A (en) * | 2021-07-21 | 2021-10-26 | 中国科学院合肥物质科学研究院 | Simulation transposition for evaluating influence of atmosphere on active remote sensing detection mode |
| CN113588505A (en) * | 2021-07-27 | 2021-11-02 | 中国气象局上海物资管理处 | Shelter system and method combined with visibility environment simulation test |
| CN114563203A (en) * | 2022-03-11 | 2022-05-31 | 中国煤炭科工集团太原研究院有限公司 | Method for simulating underground low visibility environment |
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| CN113551787A (en) * | 2021-07-21 | 2021-10-26 | 中国科学院合肥物质科学研究院 | Simulation transposition for evaluating influence of atmosphere on active remote sensing detection mode |
| CN113588505A (en) * | 2021-07-27 | 2021-11-02 | 中国气象局上海物资管理处 | Shelter system and method combined with visibility environment simulation test |
| CN114563203A (en) * | 2022-03-11 | 2022-05-31 | 中国煤炭科工集团太原研究院有限公司 | Method for simulating underground low visibility environment |
| CN114563203B (en) * | 2022-03-11 | 2023-08-15 | 中国煤炭科工集团太原研究院有限公司 | Method for simulating underground low-visibility environment |
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