CN105424611A - Comprehensive testing and verification system for atmospheric trace gas observation ground performance - Google Patents
Comprehensive testing and verification system for atmospheric trace gas observation ground performance Download PDFInfo
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- CN105424611A CN105424611A CN201510768291.3A CN201510768291A CN105424611A CN 105424611 A CN105424611 A CN 105424611A CN 201510768291 A CN201510768291 A CN 201510768291A CN 105424611 A CN105424611 A CN 105424611A
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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
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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
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Abstract
The invention discloses a comprehensive testing and verification system for the atmospheric trace gas observation ground performance. The system comprises an ultra-clean working chamber. A two-dimensional rotating platform is rotationally installed at the bottom inside the ultra-clean working chamber. Atmospheric trace gas observation loads are arranged on the two-dimensional rotating platform. A sample cell is further arranged inside the ultra-clean working chamber. An imaging scanning strip-shaped measurement window is formed in one side of the ultra-clean working chamber. A zenith direction solar scattered light observation window and a solar light incident window are formed in the top of the ultra-clean working chamber. A solar tracking device is arranged at the portion, below the solar light incident window, inside the ultra-clean working chamber. Solar light is emitted into the ultra-clean working chamber from the solar light incident window, passes through the solar tracking device and then horizontally penetrates through the sample cell to be emitted to the atmospheric trace gas observation loads. According to the system, comprehensive testing and verification of the atmospheric trace gas observation load ground performance can be achieved.
Description
Technical field
The present invention relates to atmospheric trace gas measuring system field, specifically a kind of atmospheric trace gas observation load ground performance integration test and verification system.
Background technology
Atmospheric trace gas observation load needs to be processed measurement data by special algorithm, obtain atmospheric trace gas concentration information on the basis of original acquisition ultraviolet/visual, sky scattering light signal, is therefore the final measurement mode of load performance to the measurement capability of real atmosphere.In order to the combination property of proof load, need in the measurement capability of ground test load to gas, comprise the measurement capability (comprising image scanning measurement capability) of calibrating gas to concentration known and real atmosphere; Also need to test accordingly on ground for proof load radiation calibration and spectral calibration precision simultaneously.There is no a kind of system meeting the ground performance integration test of the type load and checking at present.
summary of the inventionthe object of this invention is to provide the observation load ground performance integration test of a kind of atmospheric trace gas and verification system, to solve the problem that prior art does not meet the system of the ground performance integration test of the type load and checking.
In order to achieve the above object, the technical solution adopted in the present invention is:
Atmospheric trace gas observation load ground performance integration test and verification system, include clean room, it is characterized in that: clean room inner bottom part is rotatablely equipped with Two Dimensional Rotating platform, Two Dimensional Rotating platform is provided with atmospheric trace gas observation load, be positioned at atmospheric trace gas observation side, load level direction in clean room and be provided with sample cell, gas is filled with in sample cell, described clean room side has image scanning strip measurement window, clean room top is positioned at directly over Two Dimensional Rotating platform and has zenith direction diffusion light of the sun observation window, clean room top is positioned at zenith direction diffusion light of the sun observation window side and also has sunshine incidence window, sun tracker is provided with in clean room below sunshine incidence window, sunshine is incident in clean room from sunshine incidence window, after sun tracker, atmospheric trace gas observation load is incident to horizontal through sample cell.
Described atmospheric trace gas observation load ground performance integration test and verification system, it is characterized in that: described system has zenith direction diffusion light of the sun observation window and horizontal imaging scanning strip measurement window, atmospheric trace gas observation load is under the drive of dimensional turntable, measure zenith direction and horizontal direction scattered light information respectively, trace gas post concentration can be obtained, verify its test effect to trace gas.
Described atmospheric trace gas observation load ground performance integration test and verification system, it is characterized in that: described system has horizontal imaging scanning strip measurement window, atmospheric trace gas observation load is under the drive of dimensional turntable, can simulated flight time push away and sweep working method, measure trace gas Two dimensional Distribution, proof load imaging measurement ability.
Described atmospheric trace gas observation load ground performance integration test and verification system, it is characterized in that: described sun tracker is made up of multiple catoptron and a half-reflecting half mirror, sunshine is after multiple catoptron reflection, again vertically downward transmitted through half-reflecting half mirror, then after the reflection of last catoptron, be incident to atmospheric trace gas observation load horizontal through sample cell.
Described atmospheric trace gas observation load ground performance integration test and verification system, it is characterized in that: in described clean room, be also provided with xenon lamp, the emergent light of xenon lamp after half-reflecting half mirror reflection in sun tracker, then is incident to atmospheric trace gas observation load horizontal through sample cell after last catoptron reflection in sun tracker.
The present invention can realize atmospheric trace gas observation load ground performance integration test and checking, for load provides ground performance verification platform, comprises the measurement capability (comprise image scanning measurement capability) of load to the calibrating gas of concentration known and real atmosphere; Radiation calibration and spectral calibration precision test.
Accompanying drawing explanation
Fig. 1 is atmospheric trace gas observation load ground performance integration test and verification system theory diagram.
Embodiment
Shown in Figure 1, atmospheric trace gas observation load ground performance integration test and verification system, include clean room 9, clean room 9 inner bottom part is rotatablely equipped with Two Dimensional Rotating platform 7, Two Dimensional Rotating platform 7 is provided with atmospheric trace gas observation load 4, be positioned at atmospheric trace gas observation load 4 horizontal direction side in clean room 9 and be provided with sample cell 3, gas is filled with in sample cell 3, clean room 9 side has image scanning strip measurement window 8, clean room 9 top is positioned at directly over Two Dimensional Rotating platform 7 and has zenith direction diffusion light of the sun observation window 6, clean room 9 top is positioned at zenith direction diffusion light of the sun observation window 6 side and also has sunshine incidence window 1, sun tracker 2 is provided with in clean room 9 below sunshine incidence window 1, sunshine is incident in clean room 9 from sunshine incidence window 2, after sun tracker 2, atmospheric trace gas observation load 4 is incident to horizontal through sample cell 3.
Sun tracker 2 is made up of multiple catoptron 21 and a half-reflecting half mirror 22, sunshine is after multiple catoptron reflection, again vertically downward transmitted through half-reflecting half mirror 22, then after the reflection of last catoptron, be incident to atmospheric trace gas observation load 4 horizontal through sample cell 3.
Xenon lamp 5 is also provided with in clean room 9, the emergent light of xenon lamp 5 after half-reflecting half mirror 22 in sun tracker 2 reflects, then is incident to atmospheric trace gas observation load 4 horizontal through sample cell 3 after last catoptron reflection in sun tracker.
The present invention tests load to the power of test of gas, and assessment load combination property, simultaneous verification spectrum, radiation calibration precision, the integration test of invention ground performance and verification system, carry out gas test and calibration precision checking work.Concrete measurement and action can be divided into:
1) concentration known sample gas test
Test load gasmetry precision, stability, repeatability and linear response, by the sample gas of the different concentration known of repetitive measurement, assessment load performance.Direct sunlight (when weather conditions are good) or xenon lamp (when weather conditions are not satisfied the demand) is utilized to be full of the sample cell of sample gas as light source irradiation during actual test, load is by measuring the spectral signal without sample gas and when having sample gas, algorithm is utilized to obtain sample gas concentration, and by carrying out with known concentration contrasting, completing the test jobs such as load gasmetry precision, stability, repeatability and linear response.
Concrete, sun tracker 2 is utilized to follow the tracks of the sun, direct sunlight enters optical path by sunshine incidence window 1, and by being received by atmospheric trace gas observation load 4 after the calibrating gas 3 of concentration known, realizes assessing load performance by measurement of comparison concentration and concentration known.And when weather conditions are not satisfied the demand (cloudy day or night), utilize xenon lamp 5 as light source, the light that this light source sends is received by atmospheric trace gas observation load 4 equally after the calibrating gas 3 of concentration known, realizes assessing load performance equally by measurement of comparison concentration and concentration known.
2) real atmosphere test
Test load is to the power of test of real atmosphere, and simulation Multi-axial differential absorption spectrometer principle of work is tested.Multi-axial differential absorption spectrometer is by measuring the diffusion light of the sun signal of different angles, and different to the absorption light path of atmospheric trace gas according to different angles scattered light, utilize trace gas fingerprint to absorb inverting trace gas concentration, the scattered light signal of the nearly level of this instrument general (about 5 degree) and zenith (90 degree) carries out work.Load is simulated Multi-axial differential absorption spectrometer working method by measuring zenith direction (needing zenith window) measure with horizontal direction (needing horizontal window and turntable) diffusion light of the sun, and measurement result and Multi-axial differential absorption spectrometer measurement result are contrasted, carry out the power of test of testing authentication load to real atmosphere.
Concrete, Two Dimensional Rotating platform 7 ROTATING ATMOSPHERE trace gas is utilized to observe load 4 to zenith observing direction, and the diffusion light of the sun signal of zenith direction is measured by zenith direction diffusion light of the sun observation window 6, then Two Dimensional Rotating platform 7 ROTATING ATMOSPHERE trace gas is utilized to observe load 4 to horizontal observed ray, horizontal direction diffusion light of the sun information is measured by image scanning strip measurement window 8, analog differential absorption spectrometer principle of work calculates real atmosphere post concentration, and by the contrast with Multi-axial differential absorption spectrometer measurement result, carry out the power of test of testing authentication load to real atmosphere.
3) gas Two dimensional Distribution imaging test
The final data product of load is gas Two dimensional Distribution image, is tested, verifies in laboratory by turntable to the imaging of gas Two dimensional Distribution.Load is imaging spectrometer, one-shot measurement can obtain the distribution of trace gas at a band, Two dimensional Distribution need be obtained by mobile, during airborne work by airplane motion, push away to sweep and obtain trace gas Two dimensional Distribution, need during ground test to realize by one dimension turntable.Load is arranged on turntable, room metope is opened by experiment strip quartz window carries out sweep test, complete the measurement to gas Two dimensional Distribution.The distribution of gas manually discharging the way simulation variable concentrations such as high concentration sample gas in real work by outdoor carrys out the imaging measurement ability of proof load.
Concrete, Two Dimensional Rotating platform 7 ROTATING ATMOSPHERE trace gas is utilized to observe load 4 to horizontal observed ray, by image scanning strip window 8, carry out scanning survey in conjunction with Two Dimensional Rotating platform 7, load 4, complete the measurement to gas Two dimensional Distribution, verify its imaging measurement ability.
4) radiation, spectral calibration precision test
In the performance test stage, all there is corresponding test and evaluation to radiation, spectral calibration precision, here in conjunction with actual measurement, above-mentioned calibration precision is verified.The contrast of load measuring results and standard detector measurement result is utilized to verify for radiation calibration; And to spectral calibration, utilize the fraunhofer line in solar spectrum to carry out verifying, assessing.
Concrete, utilize sun tracker 2 to follow the tracks of the sun, direct sunlight enters optical path by sunshine incidence window 1, and atmospheric trace gas observation load 4 receives direct sunlight, completes spectrum and actinometry precision test.
In test process, frequently need debugging of uncapping, for ensureing that load cleans, atmospheric trace gas observation load 4 and relevant apparatus need be placed in clean working room 9.
Claims (5)
1. atmospheric trace gas observation load ground performance integration test and verification system, include clean room, it is characterized in that: clean room inner bottom part is rotatablely equipped with Two Dimensional Rotating platform, Two Dimensional Rotating platform is provided with atmospheric trace gas observation load, be positioned at atmospheric trace gas observation side, load level direction in clean room and be provided with sample cell, gas is filled with in sample cell, described clean room side has image scanning strip measurement window, clean room top is positioned at directly over Two Dimensional Rotating platform and has zenith direction diffusion light of the sun observation window, clean room top is positioned at zenith direction diffusion light of the sun observation window side and also has sunshine incidence window, sun tracker is provided with in clean room below sunshine incidence window, sunshine is incident in clean room from sunshine incidence window, after sun tracker, atmospheric trace gas observation load is incident to horizontal through sample cell.
2. atmospheric trace gas observation load ground performance integration test according to claim 1 and verification system, it is characterized in that: described system has zenith direction diffusion light of the sun observation window and horizontal imaging scanning strip measurement window, atmospheric trace gas observation load is under the drive of dimensional turntable, measure zenith direction and horizontal direction scattered light information respectively, trace gas post concentration can be obtained, verify its test effect to trace gas.
3. atmospheric trace gas observation load ground performance integration test according to claim 1 and verification system, it is characterized in that: described system has horizontal imaging scanning strip measurement window, atmospheric trace gas observation load is under the drive of dimensional turntable, can simulated flight time push away and sweep working method, measure trace gas Two dimensional Distribution, proof load imaging measurement ability.
4. atmospheric trace gas observation load ground performance integration test according to claim 1 and verification system, it is characterized in that: described sun tracker is made up of multiple catoptron and a half-reflecting half mirror, sunshine is after multiple catoptron reflection, again vertically downward transmitted through half-reflecting half mirror, then after the reflection of last catoptron, be incident to atmospheric trace gas observation load horizontal through sample cell.
5. atmospheric trace gas observation load ground performance integration test according to claim 1 and 2 and verification system, it is characterized in that: in described clean room, be also provided with xenon lamp, the emergent light of xenon lamp after half-reflecting half mirror reflection in sun tracker, then is incident to atmospheric trace gas observation load horizontal through sample cell after last catoptron reflection in sun tracker.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065936A (en) * | 2017-04-10 | 2017-08-18 | 中国科学院合肥物质科学研究院 | For covering a day solar tracking system for flux remote measurement |
| CN109187396A (en) * | 2018-11-02 | 2019-01-11 | 中国科学院合肥物质科学研究院 | A kind of device and method of pair of polluted gas Two dimensional Distribution fast scan imaging |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7656526B1 (en) * | 2006-07-21 | 2010-02-02 | University Corporation For Atmospheric Research | Lidar system for remote determination of calibrated, absolute aerosol backscatter coefficients |
| CN102735632A (en) * | 2012-06-26 | 2012-10-17 | 中国科学院合肥物质科学研究院 | Apparatus and method for measuring horizontal distribution and near surface vertical distribution of atmosphere pollution gas by using sky diffusion light |
| CN103543110A (en) * | 2013-10-16 | 2014-01-29 | 中国科学院安徽光学精密机械研究所 | Special gas calibration device of large-visual-field atmospheric trace gas monitor |
| CN103575675A (en) * | 2013-10-30 | 2014-02-12 | 中国科学院安徽光学精密机械研究所 | Onboard multi-angle region pollution distribution scanning detection device |
-
2015
- 2015-11-11 CN CN201510768291.3A patent/CN105424611A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7656526B1 (en) * | 2006-07-21 | 2010-02-02 | University Corporation For Atmospheric Research | Lidar system for remote determination of calibrated, absolute aerosol backscatter coefficients |
| CN102735632A (en) * | 2012-06-26 | 2012-10-17 | 中国科学院合肥物质科学研究院 | Apparatus and method for measuring horizontal distribution and near surface vertical distribution of atmosphere pollution gas by using sky diffusion light |
| CN103543110A (en) * | 2013-10-16 | 2014-01-29 | 中国科学院安徽光学精密机械研究所 | Special gas calibration device of large-visual-field atmospheric trace gas monitor |
| CN103575675A (en) * | 2013-10-30 | 2014-02-12 | 中国科学院安徽光学精密机械研究所 | Onboard multi-angle region pollution distribution scanning detection device |
Non-Patent Citations (1)
| Title |
|---|
| 赵敏杰等: "星载大气痕量气体差分吸收光谱仪的实验室定标", 《光学精密工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065936A (en) * | 2017-04-10 | 2017-08-18 | 中国科学院合肥物质科学研究院 | For covering a day solar tracking system for flux remote measurement |
| CN109187396A (en) * | 2018-11-02 | 2019-01-11 | 中国科学院合肥物质科学研究院 | A kind of device and method of pair of polluted gas Two dimensional Distribution fast scan imaging |
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Application publication date: 20160323 |