CN103543120A - Ground short wave infrared CO2 vertical column concentration remote measuring device - Google Patents
Ground short wave infrared CO2 vertical column concentration remote measuring device Download PDFInfo
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- CN103543120A CN103543120A CN201310445780.6A CN201310445780A CN103543120A CN 103543120 A CN103543120 A CN 103543120A CN 201310445780 A CN201310445780 A CN 201310445780A CN 103543120 A CN103543120 A CN 103543120A
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Abstract
The invention discloses a ground short wave infrared CO2 vertical column concentration remote measuring device, wherein a system drives a telescope system by a two-dimensional motor to perform high-precision tracking measurement on the direct sunlight and collect the direct sunlight which runs through air, then calculates out a weighting function curve of CO2 by using a radiation transfer model, and analyzes out the vertical column concentration information of the CO2 by using a least square method; a light filter and a focusing lens are arranged sequentially on a light path behind the telescope system, the light emitted from the focusing lens is precisely imaged on an incident slit of a spectrograph arranged in a constant-temperature box through a silica fiber, after being dispersed by the spectrograph, the light is imaged on a indium-gallium-arsenic detector, and after an analogue-digital conversation, the light then is transmitted into a computer for processing; meanwhile, a GPS (global positioning system) is arranged in the device, and the GPS is communicated with the computer through a USB (universal serial bus) data line. The device can be used for CO2 vertical column concentration measurement in air and emission source emission supervision monitoring and researching.
Description
Technical field
The invention belongs to measuring method field, a kind of for Atmospheric CO specifically
2the short-wave infrared spectral measurement device of vertical column concentration remote measurement.
Background technology
CO
2be important greenhouse gases, in the greenhouse effect of global warming, playing the part of key player.CO
2the monitoring technology of gas has experienced initial spot sampling, lab analysis, to the evolution of on-the-spot on-line monitoring and novel optical telemetry in recent years.Optics telemetry can realize the continuous coverage of on-the-spot noncontact, real-time online, and remote measurement more can reflect whole atmospheric envelope CO
2cONCENTRATION DISTRIBUTION and situation of change.
At present for CO
2the main method of gas remote measurement has: laser radar (LIDAR), Fourier spectrometer (FTS) etc., and for measuring CO
2the equipment of distribution on global is mainly Seeds of First Post-flight equipment (as SCIAMACHY).For laser radar apparatus, although can provide CO
2vertical distribution, but system complex, cost is high, and measures the restriction of wave band Stimulated Light device wavelength, to laser instrument, requires high; Fourier spectrometer also can remote measurement CO
2cONCENTRATION DISTRIBUTION, but same cost is very high, equipment is complicated.
Summary of the invention
The object of the invention is for a kind of Atmospheric CO is provided
2vertical column concentration telemetering device, system architecture is simple, can observe by real-time online, can carry out long-term observation, thereby solve current Atmospheric CO
2the difficult problem that gas ground telemetry approaches lacks.
The present invention is achieved by the following technical programs:
A kind of ground short-wave infrared CO
2vertical column concentration telemetering device, is characterized in that: system adopts two-dimentional motor to drive telescopic system to carry out high precision tracking measurement to direct sunlight, collects the direct sunlight through atmosphere, and recycling radiative transfer model calculates CO
2weighting function curve, application least square method parse CO
2vertical column concentration information; In light path after telescopic system, be disposed with optical filter, condenser lens, from the light of condenser lens outgoing, through silica fibre precision, be imaged on the entrance slit of the spectrometer that is positioned at constant temperature oven, after spectrometer dispersion, be imaged on indium gallium arsenic detector, then after analog to digital conversion, send into computing machine and process; With the information such as GPS positioning system, acquisition device geographic position are installed in timer, GPS positioning system is by usb data line and computer communication.
Described ground short-wave infrared CO
2vertical column concentration telemetering device, is characterized in that, described optical filter, condenser lens all adopt quartz material.
Described ground short-wave infrared CO
2vertical column concentration telemetering device, is characterized in that, described telescopic system comprises high-precision sun tracing device, infrared condenser lens, infrared optics attenuator.
Described ground short-wave infrared CO
2vertical column concentration telemetering device, is characterized in that, described infrared condenser lens is the eyeglass of 1500nm-1700nm short infrared wave band.
Described ground short-wave infrared CO
2vertical column concentration telemetering device, is characterized in that, described high-precision sun tracing device can accurately be located position of sun by two-dimentional Electric Machine Control two dimension turntable, and positioning precision is 1 °, follows the tracks of elevation coverage 0-180 °, position angle 0-360 °.
Described ground short-wave infrared CO
2vertical column concentration telemetering device, is characterized in that, described condenser lens adopts two separated transmission-type array modes.
Described ground short-wave infrared CO
2vertical column concentration telemetering device, is characterized in that, described constant temperature oven is realized refrigeration and the constant temperature of environment in case by the refrigeration of semiconductor cooling thermoelectric material.
Principal feature of the present invention is as follows:
1, adopt telescope, by two-dimentional motor, realize the high precision tracking of sunshine is measured, obtain through the direct sunlight after atmosphere, realize the real-time follow-up to direct sunlight.
2, unique Polaris positioning unit, realizes making zero and calibrating of measuring system telescope angle.
beneficial effect of the present invention is:
By ground short-wave infrared CO of the present invention
2vertical column concentration telemetering device, can realize atmosphere and emission source CO
2the ground remote measurement of CONCENTRATION DISTRIBUTION; Under the condition without any need for artificial light sources, by two-dimentional motor, drive infrared telescope to receive the mode of direct sunlight, realize CO
2the measurement of absorption spectrum, compares with other optical means when reducing device volume and cost and has obtained again three-dimensional distributed intelligence, can be applicable to Atmospheric CO
2cONCENTRATION DISTRIBUTION and the research of discharge of pollutant sources supervisory monitoring.
Accompanying drawing explanation
Fig. 1 is ground short-wave infrared CO of the present invention
2vertical column concentration telemetering device figure.
Embodiment
As shown in Figure 1, a kind of ground short-wave infrared CO
2vertical column concentration telemetering device, system adopts two-dimentional motor 4 to drive 1 pair of direct sunlight of telescopic system to carry out high precision tracking measurement, collection is through the direct sunlight of atmosphere, in light path after telescopic system, be disposed with optical filter 2, condenser lens 3, from the light of condenser lens 3 outgoing, through silica fibre 6 precisions, be imaged on the entrance slit of the spectrometer 8 that is positioned at constant temperature oven 7, after spectrometer dispersion, be imaged on indium gallium arsenic detector 9, then after analog to digital conversion, send into computing machine and process; With the information such as GPS positioning system 5, acquisition device geographic position are installed in timer, GPS positioning system 5 is by usb data line and computer communication.
Telescopic system comprises high-precision sun tracing device, infrared condenser lens, infrared optics attenuator, and infrared condenser lens eyeglass is the eyeglass of 1500nm-1700nm short infrared wave band.
High-precision sun tracing device, can accurately locate position of sun by two-dimentional Electric Machine Control two dimension turntable, and positioning precision is 1 °, follows the tracks of elevation coverage 0-180 °, position angle 0-360 °.
Claims (7)
1. a ground short-wave infrared CO
2vertical column concentration telemetering device, is characterized in that: system adopts two-dimentional motor to drive telescopic system to carry out high precision tracking measurement to direct sunlight, collects the direct sunlight through atmosphere, and recycling radiative transfer model calculates CO
2weighting function curve, application least square method parse CO
2vertical column concentration information; In light path after telescopic system, be disposed with optical filter, condenser lens, from the light of condenser lens outgoing, through silica fibre precision, be imaged on the entrance slit of the spectrometer that is positioned at constant temperature oven, after spectrometer dispersion, be imaged on indium gallium arsenic detector, then after analog to digital conversion, send into computing machine and process; With GPS positioning system is installed in timer, GPS positioning system is by usb data line and computer communication.
2. ground short-wave infrared CO according to claim 1
2vertical column concentration telemetering device, is characterized in that, described optical filter, condenser lens all adopt quartz material.
3. ground short-wave infrared CO according to claim 1
2vertical column concentration telemetering device, is characterized in that, described telescopic system comprises high-precision sun tracing device, infrared condenser lens, infrared optics attenuator.
4. ground short-wave infrared CO according to claim 3
2vertical column concentration telemetering device, is characterized in that, described infrared condenser lens is the eyeglass of 1500nm-1700nm short infrared wave band.
5. ground short-wave infrared CO according to claim 3
2vertical column concentration telemetering device, is characterized in that, described high-precision sun tracing device can accurately be located position of sun by two-dimentional Electric Machine Control two dimension turntable, and positioning precision is 1 °, follows the tracks of elevation coverage 0-180 °, position angle 0-360 °.
6. ground short-wave infrared CO according to claim 1
2vertical column concentration telemetering device, is characterized in that, described condenser lens adopts two separated transmission-type array modes.
7. ground short-wave infrared CO according to claim 1
2vertical column concentration telemetering device, is characterized in that, described constant temperature oven is made by semiconductor cooling thermoelectric material.
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| CN201310445780.6A CN103543120A (en) | 2013-09-26 | 2013-09-26 | Ground short wave infrared CO2 vertical column concentration remote measuring device |
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| CN201310445780.6A CN103543120A (en) | 2013-09-26 | 2013-09-26 | Ground short wave infrared CO2 vertical column concentration remote measuring device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760125A (en) * | 2014-01-22 | 2014-04-30 | 中国科学院合肥物质科学研究院 | Method for improving inversion accuracy of high greenhouse gas concentration |
| CN103927455A (en) * | 2014-04-24 | 2014-07-16 | 中国科学院遥感与数字地球研究所 | Land aerosol optical property retrieval method based on Gaofen-1 satellite |
| CN103983599A (en) * | 2014-02-13 | 2014-08-13 | 中国科学院合肥物质科学研究院 | Method for inversing vertical column concentration of carbon dioxide in environmental atmosphere by utilizing direct-radiation solar spectrum |
| CN107101962A (en) * | 2017-04-07 | 2017-08-29 | 中国科学院合肥物质科学研究院 | The ultraviolet imagery telemetering equipment and method of multicomponent pollution sources contamination gas scapus concentration |
| CN107300539A (en) * | 2017-05-24 | 2017-10-27 | 中国科学院合肥物质科学研究院 | CH based on bifocal path technique FP interferometers4Post concentration telemetering equipment |
| CN108267725A (en) * | 2018-03-20 | 2018-07-10 | 武汉大学 | The CO of multi-wavelength laser radar2Concentration stratification inversion method and system |
| CN110763638A (en) * | 2019-11-12 | 2020-02-07 | 中国海洋大学 | Comprehensive optical monitoring system |
| CN112557326A (en) * | 2020-12-22 | 2021-03-26 | 西安鼎研科技股份有限公司 | Multi-axis differential absorption spectrometer measuring device and working method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760125A (en) * | 2014-01-22 | 2014-04-30 | 中国科学院合肥物质科学研究院 | Method for improving inversion accuracy of high greenhouse gas concentration |
| CN103983599A (en) * | 2014-02-13 | 2014-08-13 | 中国科学院合肥物质科学研究院 | Method for inversing vertical column concentration of carbon dioxide in environmental atmosphere by utilizing direct-radiation solar spectrum |
| CN103983599B (en) * | 2014-02-13 | 2016-08-17 | 中国科学院合肥物质科学研究院 | The method of carbon dioxide vertical column concentration in direct sunlight spectrum inverting ambient air |
| CN103927455A (en) * | 2014-04-24 | 2014-07-16 | 中国科学院遥感与数字地球研究所 | Land aerosol optical property retrieval method based on Gaofen-1 satellite |
| CN103927455B (en) * | 2014-04-24 | 2017-01-18 | 中国科学院遥感与数字地球研究所 | Land aerosol optical property retrieval method based on Gaofen-1 satellite |
| CN107101962A (en) * | 2017-04-07 | 2017-08-29 | 中国科学院合肥物质科学研究院 | The ultraviolet imagery telemetering equipment and method of multicomponent pollution sources contamination gas scapus concentration |
| CN107101962B (en) * | 2017-04-07 | 2020-02-14 | 中国科学院合肥物质科学研究院 | Ultraviolet imaging remote measuring device and method for concentration of multi-component pollution source polluted gas column |
| CN107300539A (en) * | 2017-05-24 | 2017-10-27 | 中国科学院合肥物质科学研究院 | CH based on bifocal path technique FP interferometers4Post concentration telemetering equipment |
| CN108267725A (en) * | 2018-03-20 | 2018-07-10 | 武汉大学 | The CO of multi-wavelength laser radar2Concentration stratification inversion method and system |
| CN108267725B (en) * | 2018-03-20 | 2021-09-14 | 武汉大学 | CO of multi-wavelength laser radar2Concentration hierarchical inversion method and system |
| CN110763638A (en) * | 2019-11-12 | 2020-02-07 | 中国海洋大学 | Comprehensive optical monitoring system |
| CN112557326A (en) * | 2020-12-22 | 2021-03-26 | 西安鼎研科技股份有限公司 | Multi-axis differential absorption spectrometer measuring device and working method thereof |
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Application publication date: 20140129 |