CN104964903B - A kind of airborne X-fluorescence real-time analyzer in high-altitude - Google Patents
A kind of airborne X-fluorescence real-time analyzer in high-altitude Download PDFInfo
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- 238000005070 sampling Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 11
- 239000002923 metal particle Substances 0.000 claims abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004876 x-ray fluorescence Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 238000002795 fluorescence method Methods 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 6
- 230000000155 isotopic effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013211 curve analysis Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The present invention relates to a kind of airborne X-fluorescence real-time analyzer in high-altitude, including excitaton source, sampling film, detection device, power supply, radio transmitting device, processor；Wherein, the excitaton source includes miniature isotope and X radiographic source and the collimater being fixedly connected；The radiation exposure that emission source is launched is reflexed in detection device on sampling film；The detection device includes miniature silicon drifting detector (SDD), the Miniature digital multichannel spectrometer being sequentially connected, and ray enters Miniature digital multichannel spectrometer by miniature silicon drifting detector (SDD)；The radio transmitting device sends the information that detection device treats into processor, and the power supply provides electric energy for detection device and radio transmitting device.The present invention uses X-fluorescence method to be detected real-time to the heavy metal particle sample of high-altitude sewage draining exit by aircraft, simple to operate, and measurement is real-time, and detection range is wide, and test limit is low, realizes the real-time monitoring to high-altitude pollutant.
Description
Technical field
The present invention relates to high-altitude pollutant to test and analyze field in real time, and in particular to a kind of airborne X-fluorescence in high-altitude divides in real time
Analyzer.
Background technology
China's haze weather is more frequent and serious, a large amount of uses of the most important root in fossil energy.Flood tide coal fires
Burning can produce a large amount of poisonous and harmful substances, and wherein harm of the trace heavy metal element to the mankind and environment is all very big, these huge sum of moneys
Category element not but not is decomposed after high-temp combustion, evaporates into metallic vapour at high temperature on the contrary, is enriched in submicron particles
Surface, it is discharged into air with submicron particles, exists for a long time with aerosol form, not free settling, not only influenceing air can sees
Degree, and make one and other biological is by Heavy Metal Pollution.Polluter after these burnings is all arranged to height by chimney substantially
Sky, if can be detected in real time to the sewage draining exit original position in high-altitude, the discharge of heavy metal is controlled from source, for reducing environment
Heavy metal pollution tool has very great significance in particulate.
At present, chemical analysis method is due to itself many limitation, it is difficult to accomplish the real-time detection in high-altitude, and X ray is glimmering
Light analysis technology has the characteristics of non-destructive, detection in real time quick, in situ, has been widely used for environmental sample multielement and determines
Value analysis.But XRF equipment is mostly very heavy in experiment reality, also has even if small-sized portable XRF equipment
2-3kg, the X-fluorescence equipment and application analysis real-time to high-altitude for how developing smaller volume and weight are a big difficult points, therefore, really
It is necessary to be improved prior art to solve the deficiency of prior art.
The content of the invention
For the deficiency of above-mentioned background technology, it is an object of the invention to provide a kind of airborne X-fluorescence real-time analyzer in high-altitude.
The present invention uses following technical scheme to solve above-mentioned technical problem：
A kind of airborne X-fluorescence real-time analyzer in high-altitude, including excitaton source, sampling film, detection device, power supply 6, be wirelessly transferred
Device 7, processor；
Wherein, the excitaton source includes miniature isotope and X radiographic source 1 and the collimater 2 being fixedly connected；Excitaton source is launched
Radiation exposure on sampling film, inspire the characteristic x-ray fluorescence of element to be measured on sampling film, then received through detection device
Collection；The detection device includes miniature silicon drifting detector (SDD) 4, the Miniature digital multichannel spectrometer 5 being sequentially connected, and ray passes through micro-
Type silicon drifting detector (SDD) 4 enters Miniature digital multichannel spectrometer 5；The information that the radio transmitting device treats detection device
Send into processor, the power supply 6 is that detection device and radio transmitting device 7 provide electric energy.
Further, it is an aluminium alloy box 8 outside the analyzer, the excitaton source, sampling film, detection device, power supply, nothing
Line transmitting device is all fixed in aluminium alloy box 8；The aluminium alloy box 8 is fixed on head 10, and is existed by the carry of head 10
On multiaxis Fixed Wing AirVehicle 11.
As a preferred embodiment, the miniature activity of isotope and X radiographic source 1 is in more than 1mCi；The miniature isotope and X ray
Source 1 is238Pu,109Cd,137Cs,55Fe,241Am or57Co。
Further, the length of collimater 2 is 0.5-2cm, and aperture 1-5mm, material is fine copper.
Further, the sampling film is using air heavy metal particle dust detection Special filtering membrane 3, sampling membrane aperture
2.5-10um a diameter of 50-70mm of sampling film.
Further, distance is 10-20mm between the excitaton source and sampling film, and excitaton source is at an angle of with sampling film and set
Put；Distance is 10-20mm between the miniature silicon drifting detector (SDD) 4 and sampling film, and into phase between detection device and sampling film
Set with angle.
Further, the Miniature digital multichannel spectrometer 5 is connected by netting twine with radio transmitting device 7.
Further, the radio transmitting device 7 is carried out data transmission using the serial protocols of IEEE 802.11, will be micro-
The spectral information of type digital multichannel spectrometer 5 is launched to processor.
Further, the multiaxis Fixed Wing AirVehicle 11 is 6 axles or 8 axle Fixed Wing AirVehicles.
The present invention compared with prior art, has following technique effect using above technical scheme：
1st, the present invention utilizes x-ray fluorescence analysis technology（XRF）, drifted about and detected using advanced high-performance integrated micro silicon
System and miniature isotopic source, build superminiature X-fluorescence real-time analyzer；Multi-axis aircraft is fixed on, realizes work high above the ground, is led to
Cross real-time control and data transfer that wireless remote sensing realizes aircraft and X-fluorescence real-time analyzer；Realize dirty to high-altitude sewage draining exit
The real-time monitoring of thing is contaminated, is detected and early warning；
2nd, the distance between sampling film and miniature silicon drifting detector (SDD) and excitaton source are controlled in analyzer provided by the invention
For system in 10-20mm, angle has preferable experiment effect at 70 degree or so；
3rd, for the present invention using air heavy metal particle dust detection Special filtering membrane, sampling membrane aperture is 2.5um, a diameter of
50mm, it must be changed before measurement every time, collimator length 0.5-2cm, aperture 1-5mm, material is the standard that fine copper ensure that detection
True property, and sample fast, efficiency high；
4th, detection range of the present invention is wide, and test limit is low, and simple to operate, and no chemical contamination, time of measuring is short, safely may be used
Lean on, there is wide application prospect.
Brief description of the drawings
Fig. 1 is apparatus of the present invention schematic diagram；
Fig. 2 is in embodiment 1238The energy spectrum diagram of Pu isotopic sources；
Fig. 3 is that various metals energy spectrum diagram is detected in embodiment 1；
Fig. 4 is that the X-fluorescence of S in embodiment 2 counts the change curve with its content；
Wherein, 1- excitaton sources, 2- collimaters, 3- sampling films, the miniature silicon drifting detector (SDD)s of 4-, 5- Miniature digitals multiple tracks spectrum
Instrument, 6- power supplys, 7- radio transmitting devices, 8- aluminium alloys box, 9- screws, 10- heads.
Embodiment
The present invention provides a kind of airborne X-fluorescence real-time analyzer in high-altitude, to make the purpose of the present invention, technical scheme and effect
It is clearer, clearly, and referring to the drawings and give an actual example that the present invention is described in more detail.It is it should be appreciated that described herein
Specific implementation only to explain the present invention, be not intended to limit the present invention.
The technical scheme of invention is described in detail below in conjunction with the accompanying drawings：
The present invention provides a kind of airborne X-fluorescence real-time analyzer in high-altitude as described in Figure 1, and concrete structure is：
Including excitaton source, sampling film, detection device, power supply, radio transmitting device, head, multiaxis Fixed Wing AirVehicle group
Into the excitaton source includes miniature isotope and X radiographic source 1 and collimater 2；Sampling film is detected using air heavy metal particle dust
Special filtering membrane 3；Detection device includes miniature silicon drifting detector (SDD) 4, Miniature digital multichannel spectrometer 5；Power supply is minitype portable
Power supply 6, while provide power supply to detection device and radio transmitting device 7；It is excitaton source, sampling film, detection device, power supply, wireless
Transmitting device is all fixed in aluminium alloy box 8, and aluminium alloy box 8 and head 10 are fixed using screw 9, existed by the carry of head 10
On multiaxis Fixed Wing AirVehicle 11.
When aircraft high-altitude flight or hovering, the x-ray bombardment of excitaton source transmitting excites on the sample that sampling film is collected
The feature X-fluorescence information of element in sample, X-fluorescence signal is gathered through silicon drifting detector (SDD) 4, digital multichannel spectrometer 5 is by signal
The power spectrum available for analysis is converted into, is launched by radio transmitting device 7 to ground-based computer and carries out real time data processing analysis.
Embodiment 1
The isotope and X radiographic source that the present embodiment is related to is238Pu isotopic sources, collimater long 1cm, aperture 2mm；Sampling film
Aperture 2.5um, diameter 5cm；Distance is 10mm between isotopic source and sampling film, and angle is 70 degree；Miniature silicon drifting detector (SDD)
Using the SDD-123 silicon drifting detector (SDD)s of amptek companies of the U.S., weight is about 200g, and Miniature digital multichannel spectrometer is using beautiful
The PX6 digital multichannel spectrometers of amptek companies of state；Distance is 10mm between detection device and sampling film, and angle is 70 degree；It is micro-
Type compact power is Huawei's portable power source, capacity 5200mAh, 5V output；Radio transmitting device moves for Huawei
WIFIE5200c；The high 20mm*10mm*7.5mm respectively of the wide * of the long * of aluminium alloy box size, thickness 1mm, weight is about 300g, profit
Aluminium alloy box is fixed with head with screw (M3*12)；Head uses the H3-3d damping heads of great Jiang companies, multiaxis fixed-wing
Aircraft is 6 axle Fixed Wing AirVehicles, energy load-carrying 2kg, flight time 30min, has hovering and 128 self-defined destinations flights
Function.
After installation fixes each component, first with detector pair238Pu isotopic sources measure, and Fig. 2 is238Pu
The energy spectrum diagram of isotopic source.It is high that the sample of the heavy metal species of lead, cadmium, iron, copper, titanium, germanium, mercury, zirconium etc. 8 is measured in the air, lead, cadmium,
The concentration of the sample of the heavy metals such as iron, copper, titanium, germanium, mercury, zirconium is 50-1000ppm, and testing result is as shown in figure 3, every kind of sample
300s is measured respectively.The energy of different metal can be substantially distinguished from Fig. 3, can be realized by the intensity at corresponding peak qualitative
And quantitative analysis.
Embodiment 2
On the basis of embodiment 1, the sample of different sulfur-bearing (S) amounts is configured with, is burnt, the content of sulphur is respectively
1.5th, 2,2.5,3,3.5,4,4.5 and 5 wt%, the airborne X-fluorescence real-time analyzer in high-altitude are fired by hovering over aerial survety sample
The smog released during burning, time of measuring 300s, testing result is as shown in figure 4, S X-fluorescence (Kα2.3 keV) count with S's
Concentration is into good linear relationship, linearly dependent coefficient R2=0.995.S contents in emission can be quantified by this curve
Analysis.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (7)
1. a kind of airborne X-fluorescence real-time analyzer in high-altitude, it is characterised in that including excitaton source, sampling film, detection device, power supply
（6）, radio transmitting device（7）, processor；
Wherein, the excitaton source includes miniature isotope and X radiographic source (1) and the collimater (2) being fixedly connected；Excitaton source is launched
Radiation exposure on sampling film, inspire the characteristic x-ray fluorescence of element to be measured on sampling film, then received through detection device
Collection；The detection device includes miniature silicon drifting detector (SDD) (4), the Miniature digital multichannel spectrometer (5) being sequentially connected, and ray leads to
Cross miniature silicon drifting detector (SDD) (4) and enter Miniature digital multichannel spectrometer (5)；The radio transmitting device handles detection device
The information crossed is sent into processor, the power supply（6）Electric energy is provided for detection device and radio transmitting device (7)；
It is an aluminium alloy box (8) outside the analyzer, the excitaton source, sampling film, detection device, power supply, radio transmitting device
All it is fixed in aluminium alloy box (8)；The aluminium alloy box (8) is fixed on head (10), and by head (10) carry more
On axle Fixed Wing AirVehicle (11)；
For the sampling film using air heavy metal particle dust detection Special filtering membrane (3), sampling membrane aperture is 2.5-10 um, is adopted
The a diameter of 50-70mm of sample film.
A kind of 2. airborne X-fluorescence real-time analyzer in high-altitude according to claim 1, it is characterised in that the miniature same position
Plain x-ray source (1) activity is in more than 1mCi；The miniature isotope and X radiographic source (1) is238Pu,109Cd,137Cs,55Fe,241Am
Or57Co。
A kind of 3. airborne X-fluorescence real-time analyzer in high-altitude according to claim 2, it is characterised in that the collimater (2)
Length is 0.5-2cm, and aperture 1-5mm, material is fine copper.
A kind of 4. airborne X-fluorescence real-time analyzer in high-altitude according to claim 3, it is characterised in that the excitaton source with
Distance is 10-20mm, excitaton source and the angled setting of sampling film between sampling film；The miniature silicon drifting detector (SDD) (4) is with adopting
Distance is 10-20mm between sample film, and is set between detection device and sampling film into equal angular.
A kind of 5. airborne X-fluorescence real-time analyzer in high-altitude according to claim 4, it is characterised in that the Minitype digital
Change multichannel spectrometer (5) to be connected with radio transmitting device (7) by netting twine.
6. according to a kind of airborne X-fluorescence real-time analyzer in high-altitude described in claims 1 to 3 any one, it is characterised in that the nothing
Line transmitting device (7) is carried out data transmission using the serial protocols of IEEE 802.11, by the energy of Miniature digital multichannel spectrometer (5)
Spectrum information is launched to processor.
7. according to the airborne X-fluorescence real-time analyzer in a kind of high-altitude described in claim 6, it is characterised in that the multiaxis fixed-wing
Aircraft (11) is 6 axles or 8 axle Fixed Wing AirVehicles.
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| CN201510321224.7A CN104964903B (en) | 2015-06-12 | 2015-06-12 | A kind of airborne X-fluorescence real-time analyzer in high-altitude |
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| CN201510321224.7A CN104964903B (en) | 2015-06-12 | 2015-06-12 | A kind of airborne X-fluorescence real-time analyzer in high-altitude |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352984A (en) * | 2015-12-14 | 2016-02-24 | 山东航天电子技术研究所 | SDD (Silicon Drift Detector)-based X-ray fluorescence analysis system |
| WO2018207678A1 (en) * | 2017-05-11 | 2018-11-15 | 株式会社堀場製作所 | Unmanned aerial vehicle |
| CN106950233B (en) * | 2017-05-12 | 2023-10-24 | 中国工程物理研究院激光聚变研究中心 | Quantitative calibration system of X-ray imaging plate |
| CN108982554A (en) * | 2018-06-20 | 2018-12-11 | 国网河南省电力公司电力科学研究院 | A kind of unmanned plane lifting x-ray detector and detection method |
| KR101970206B1 (en) * | 2018-11-12 | 2019-04-19 | 한국지질자원연구원 | Drones With X-Ray Fluorescence Spectrometer |
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