CN103575675A - Onboard multi-angle region pollution distribution scanning detection device - Google Patents
Onboard multi-angle region pollution distribution scanning detection device Download PDFInfo
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- CN103575675A CN103575675A CN201310528829.4A CN201310528829A CN103575675A CN 103575675 A CN103575675 A CN 103575675A CN 201310528829 A CN201310528829 A CN 201310528829A CN 103575675 A CN103575675 A CN 103575675A
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Abstract
The invention discloses an onboard multi-angle region pollution distribution scanning detection device. The device is characterized in that a telescope system is driven by a stepping motor to carry out multi-angle scanning detection on scattered sunlight and ground reflection lights to collect the scattered sunlight penetrating through the atmosphere; a collimating lens, a standard gas sample tank correction unit and a second focusing lens are sequentially arranged on a light path behind the telescope system; the lights emitted from the second focusing lens are precisely imaged to an incident slit of a spectrograph in a thermostat through optical fibers, are imaged to a CCD (Charge Coupled Device) detector after being dispersed by the spectrograph and are sent to a computer to be processed after being subjected to analog-digital conversion in the CCD detector; meanwhile, the device is mounted on an attitude regulation platform, and a GPS (Global Position System) receiver is mounted in the device and communicates with the computer through a USB (Universal Serial Bus) data wire. The device can be applied to the rapid measurement of the regional distribution and vertical distribution of the pollution gas in the atmosphere as well as the emission supervision research of emission sources.
Description
Technical field
The invention belongs to measuring method field, specifically a kind of airborne multi-angle regional pollution distribution scanning probe device.
Background technology
Along with socioeconomic fast development, air environmental pollution problem is increasingly serious, cause the environmental problem that should occur in different phase embody a concentrated reflection of in a short time and break out out, the stack that intercouples of various pollutants, and present gradually the new feature of regionality and compound pollution.Although China has set up the air quality monitoring station centered by city, but the monitoring of limited index near the ground, the actual state that can not reflect atmospheric pollution completely, make Air Quality Evaluation result and public's direct feel inconsistent, can not meet the Research Requirements that air pollution forms mechanism, differentiation and course of conveying.
The method of remote measurement Pollution Gas concentration level, vertical distribution mainly contains at present: laser radar technique, Passive Fourier transform transform infrared spectroscopy technology, passive differential absorption spectroscopy techniques etc.Laser radar technique is subject to the restriction of laser wavelength, can not carry out multi-component measurement simultaneously, and when surveying the horizontal distribution of low layer dusty gas, the laser sending has certain danger and is not also suitable for the detection of gas.Passive Fourier transform transform infrared spectroscopy technology, system complex, costliness, be not suitable for motor-driven, the distribution of atmospheric sounding dusty gas neatly.Passive differential absorption spectroscopy techniques has been widely used in the remote measurement of ground multiaxis, but current system is only paid close attention to the dusty gas vertical distribution information of fixed area, lack fast area resolution characteristic, therefore, need a kind of measuring method and the equipment that can realize quick, large regional pollution gas remote measurement.
Summary of the invention
The object of the invention is for a kind of airborne multi-angle regional pollution distribution scanning probe device is provided, system architecture is simple, energy fast and flexible is region and the vertical distribution of polycomponent remote measurement dusty gas simultaneously, thereby solves the difficult problem that current Regional Atmospheric Pollution telemetry approaches lacks.
The present invention is achieved by the following technical programs:
A kind of airborne multi-angle regional pollution distribution scanning probe device, it is characterized in that system adopts stepper motor to drive telescopic system to carry out multi-angle scanning probe to diffusion light of the sun and ground return light, collection is through the scattering sunshine of atmosphere, in light path after telescopic system, be disposed with collimation lens, calibrating gas sample cell alignment unit, the second condenser lens, from the light of the second condenser lens outgoing, through optical-fibre precise, be imaged on the spectrometer entrance slit that is positioned at constant temperature oven, after spectrometer dispersion, be imaged on ccd detector, in ccd detector, after analog to digital conversion, sending into computing machine processes again, with timer, be arranged on attitude adjustment platform, GPS receiver is installed in device, GPS receiver is by usb data line and computer communication.
Described airborne multi-angle regional pollution distribution scanning probe device, is characterized in that, described telescopic system comprises: telescope, high precision scanister, optical filter, the second condenser lens.
Described airborne multi-angle regional pollution distribution scanning probe device, is characterized in that, the second described condenser lens is the fused silica glass of 200-1000nm wave band, and optical filter is the ultraviolet filter visible optical mating plate of 200-400nm wave band.
Described airborne multi-angle regional pollution distribution scanning probe device, is characterized in that, described high precision scanister drives telescope to realize multi-angle by stepper motor and scans, and scanning accuracy is 0.09 °, and scanning angle scope is 0-180 °.
Described airborne multi-angle regional pollution distribution scanning probe device, is characterized in that, the first described condenser lens, the second condenser lens and optical filter all adopt quartz material.
Described airborne multi-angle regional pollution distribution scanning probe device, is characterized in that, described calibrating gas sample cell alignment unit comprises: rotor wheel, quartz sample pool, be filled with various criterion gas on demand in quartz sample pool.
Described airborne multi-angle regional pollution distribution scanning probe device, is characterized in that, described constant temperature oven is made by semiconductor cooling thermoelectric material.
Major advantage of the present invention is as follows:
1, adopt single telescope, by the high precision scanister of step motor control, realize the high precision multiangular measurement to diffusion light of the sun and ground return light, obtain the atmospheric absorption spectroscopy of different angles, realize the multi-angle that regional pollution is distributed and survey.
2, the sample cell alignment unit of unique design, realize the loading of sample and remove, the open and close function of light path.
3, Installation posture is adjusted platform, realizes real-time adjustment and calibration to detection angle.
Beneficial effect of the present invention is:
By airborne multi-angle regional pollution distribution scanning probe device of the present invention, can feasible region the rapid scanning observation that distributes of dusty gas.Under the condition without any need for artificial light sources, by high precision scanister, drive UV, visible light telescope to receive different angles diffusion light of the sun and catoptrical mode, realize different angles trace gas (NO
2, SO
2deng) measurement of absorption spectrum, compare areal distribution information and the vertical distribution information that when reducing device volume and cost, can obtain fast again dusty gas with other optical means; Can be applicable to Pollution Gas areal distribution, vertical distribution and the research of discharge of pollutant sources supervisory monitoring.
Accompanying drawing explanation
Fig. 1 is the airborne multi-angle regional pollution of the present invention distribution scanning probe device schematic diagram.
Embodiment
As shown in Figure 1, a kind of airborne multi-angle regional pollution distribution scanning probe device, arranges the telescopic system that a stepper motor 4 drives, and described telescopic system comprises: telescope, high precision scanister, condenser lens 1, optical filter 2.In light path after telescopic system, be disposed with collimation lens 3, calibrating gas sample cell alignment unit 5, condenser lens 6, from the light of condenser lens 6 outgoing, through fiber optic conduction, be imaged on spectrometer 9 entrance slits that are positioned at constant temperature oven 8, after spectrometer dispersion, be imaged on CCD detector, then after analog to digital conversion, send into computing machine and process.Device is arranged on attitude adjustment platform 7, realizes the adjustment of scanning angle and calibration; GPS receiver 10 is installed in device, the information such as acquisition device geographic position, GPS receiver 10 is by usb data line and computer communication.
Calibrating gas sample cell alignment unit 5 comprises: rotor wheel, sample cell, be filled with various criterion gas on demand in sample cell.
High precision scanister, can drive telescopic finder to realize multi-angle by stepper motor and scan, and scanning accuracy is 0.09 °, and scanning angle scope is 0-180 °.
Constant temperature oven is realized constant temperature in case by the refrigeration of semiconductor cooling thermoelectric material.
Claims (7)
1. an airborne multi-angle regional pollution distribution scanning probe device, it is characterized in that system adopts stepper motor to drive telescopic system to carry out multi-angle scanning probe to diffusion light of the sun and ground return light, collection is through the scattering sunshine of atmosphere, in light path after telescopic system, be disposed with collimation lens, calibrating gas sample cell alignment unit, the second condenser lens, from the light of the second condenser lens outgoing, through optical-fibre precise, be imaged on the spectrometer entrance slit that is positioned at constant temperature oven, after spectrometer dispersion, be imaged on ccd detector, in ccd detector, after analog to digital conversion, sending into computing machine processes again, with timer, be arranged on attitude adjustment platform, GPS receiver is installed in device, GPS receiver is by usb data line and computer communication.
2. airborne multi-angle regional pollution distribution scanning probe device according to claim 1, is characterized in that, described telescopic system comprises: telescope, high precision scanister, optical filter, the second condenser lens.
3. airborne multi-angle regional pollution distribution scanning probe device according to claim 2, is characterized in that, the second described condenser lens is the fused silica glass of 200-1000nm wave band, and optical filter is the ultraviolet filter visible optical mating plate of 200-400nm wave band.
4. airborne multi-angle regional pollution distribution scanning probe device according to claim 2, it is characterized in that, described high precision scanister drives telescope to realize multi-angle by stepper motor and scans, and scanning accuracy is 0.09 °, and scanning angle scope is 0-180 °.
5. airborne multi-angle regional pollution distribution scanning probe device according to claim 1 and 2, is characterized in that, the first described condenser lens, the second condenser lens and optical filter all adopt quartz material.
6. airborne multi-angle regional pollution distribution scanning probe device according to claim 1, is characterized in that, described calibrating gas sample cell alignment unit comprises: rotor wheel, quartz sample pool, be filled with various criterion gas on demand in quartz sample pool.
7. airborne multi-angle regional pollution distribution scanning probe device according to claim 1, is characterized in that, described constant temperature oven is made by semiconductor cooling thermoelectric material.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424611A (en) * | 2015-11-11 | 2016-03-23 | 中国科学院合肥物质科学研究院 | Comprehensive testing and verification system for atmospheric trace gas observation ground performance |
| 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 |
| CN108107017A (en) * | 2017-12-13 | 2018-06-01 | 清华大学 | Method based on the distribution of terahertz detection high-risk chemical |
| CN108195777A (en) * | 2017-12-07 | 2018-06-22 | 复旦大学 | The multiaxis passive differential absorption spectrum measuring system of state of the sky can be recorded simultaneously |
| 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 |
| CN112508925A (en) * | 2020-12-16 | 2021-03-16 | 广州大学 | Electronic lock panel quality detection method, system, computer device and storage medium |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424611A (en) * | 2015-11-11 | 2016-03-23 | 中国科学院合肥物质科学研究院 | Comprehensive testing and verification system for atmospheric trace gas observation ground performance |
| 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 |
| CN108195777A (en) * | 2017-12-07 | 2018-06-22 | 复旦大学 | The multiaxis passive differential absorption spectrum measuring system of state of the sky can be recorded simultaneously |
| CN108195777B (en) * | 2017-12-07 | 2020-05-26 | 复旦大学 | Multi-axis passive differential absorption spectrum measuring system capable of simultaneously recording sky condition |
| CN108107017A (en) * | 2017-12-13 | 2018-06-01 | 清华大学 | Method based on the distribution of terahertz detection high-risk chemical |
| 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 |
| CN112508925A (en) * | 2020-12-16 | 2021-03-16 | 广州大学 | Electronic lock panel quality detection method, system, computer device and storage medium |
| CN112508925B (en) * | 2020-12-16 | 2023-07-04 | 广州大学 | Electronic lock panel quality detection method, system, computer device and storage medium |
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Application publication date: 20140212 |