CN108459013A - Sample detection means based on laser induced breakdown spectroscopy - Google Patents
Sample detection means based on laser induced breakdown spectroscopy Download PDFInfo
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- CN108459013A CN108459013A CN201810620978.6A CN201810620978A CN108459013A CN 108459013 A CN108459013 A CN 108459013A CN 201810620978 A CN201810620978 A CN 201810620978A CN 108459013 A CN108459013 A CN 108459013A
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000002536 laser-induced breakdown spectroscopy Methods 0.000 title claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 41
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000004611 spectroscopical analysis Methods 0.000 claims abstract description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000001228 spectrum Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 230000011514 reflex Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000608 laser ablation Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000012491 analyte Substances 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000003595 spectral effect Effects 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 7
- 230000005284 excitation Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 238000010183 spectrum analysis Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 230000010354 integration Effects 0.000 description 1
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/718—Laser microanalysis, i.e. with formation of sample plasma
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The present invention relates to sample detection fields, disclose a kind of sample detection means based on laser induced breakdown spectroscopy, including light path room and sample room, it is provided with incident unit, phosphor collection unit and spectroscopy unit in the light path room, the sample operation platform for placing sample is equipped in the sample room；The equal sealed set in the light path room and the sample room, the light path room is connected with the sample room by optical window, the laser beam that the incidence unit is sent out passes through the optical window that the sample is excited to send out fluorescence, and the phosphor collection unit collects the fluorescence and is passed along the spectroscopy unit.By light path room and sample room isolation, sealed set, convenient for keeping a public place clean for device light path system, greatly reduce in analyte detection process since laser ablation sample to be tested surface generates the adverse effect that dust generates detection device itself and testing result.
Description
Technical field
The present invention relates to sample detection fields, are filled more particularly to the sample detection based on laser induced breakdown spectroscopy
It sets.
Background technology
Laser induced breakdown spectroscopy (Laser Induced Breakdown Spectroscopy, abbreviation LIBS) is
A kind of completely new material element analytical technology that 20 th century laters grow up, operation principle are：High power pulsed laser is made
Under, the substance of sample surfaces is provoked into as plasma and decays rapidly, and specific frequency is given off in attenuation process
Photon, generates characteristic spectral line, and frequency and intensity information contains the element species and concentration information of analysis object.Pass through spectrum
Instrument analyzes the fluorescence optical information that sample to be tested generates, to obtain the spectral signal of different elements in sample.By with principal component
Sample compare and modeling analysis, obtain spectrum-ingredient computation model under corresponding fixed hardware condition, by the model with
And the spectral signal of unknown sample, you can test and calculate the component content information of unknown sample.
Species analysis detection device based on LIBS is required to generate spectrum letter by laser ablation sample to be tested surface
Number, some samples can all generate the dust of granularity not etc. such as coal, rock and finished ground cement, spread in sample surfaces
In space.Sometimes these powder can absorb the energy of excitation laser, cause the laser energy that sample surfaces are absorbed into be lower, sometimes
Plasma even can not be generated, and then influences the technology and the analysis of sample to be tested is detected.If within the enclosed space only
Air blowing dedusting is carried out only for sample surfaces, the dust of sample surfaces can only be dispelled the short time, analyzes and examines in prolonged LIBS
It surveys in experiment, blowning installation can so that dust concentration is higher and higher in sample room, finally diffuse entire sample room, at this moment not only wait for
The laser energy that sample surface receives is lower, and the eyeglass of spectral signal is received in sample room and can be also contaminated.Meanwhile at present
Analyzer casing structure in, there are more optical device, such as optically focused lens group and phosphor collection camera lens etc. in sample room,
These optical devices are exposed in the sample room for diffusing the pollutants such as dust and organic volatile, are easily attached to, are polluted.
If directly measured sample in open space, it is difficult to ensure that light laser will not injure human body first；Secondly, dust permeates
Can all there be damage to human body and other equipment in air；Finally, it is also difficult to prevent from detecting the contaminants in live air
Camera lens and other circuit devcies.
Invention content
(1) technical problems to be solved
The object of the present invention is to provide a kind of sample detection means based on laser induced breakdown spectroscopy, to solve to divide
The dust generated due to laser ablation sample to be tested surface in analysis detection process generates detection device itself and testing result
The technical issues of adverse effect.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of sample detections based on laser induced breakdown spectroscopy
Device, including light path room and sample room are provided with incident unit, phosphor collection unit and spectrum analysis list in the light path room
Member is equipped with the sample operation platform for placing sample in the sample room；The equal sealed set in the light path room and the sample room,
The light path room is connected with the sample room by optical window, and the laser beam that the incidence unit is sent out passes through the optical window
Mouth excites the sample to send out fluorescence, and the phosphor collection unit collects the fluorescence and is passed along the spectrum analysis list
Member.
Wherein, the phosphor collection unit includes ellipsoidal mirror and spectra collection camera lens, and the sample is located at described
First focal point of ellipsoidal mirror, the spectra collection camera lens are located at the second focal point of the ellipsoidal mirror, institute
It states the fluorescence that sample is sent out and the spectra collection mirror is reflexed to by the ellipsoidal mirror after the optical window
Head, the spectra collection camera lens are connect by Transmission Fibers with the spectroscopy unit.
Wherein, the ellipsoidal mirror is equipped with aperture, and the laser beam sequentially passes through the aperture, the optical window
Sample described in directive.
Wherein, the sample room is additionally provided with the cleaning shaft being connected to outside, and the first port of the cleaning shaft is located at
Inside the sample room, and towards the sample, the second port of the cleaning shaft connects external air suction device.
Wherein, the sample operation platform is connect with control motor, and it is flat that the control motor drives the sample operation platform to do
It moves in face.
Wherein, inside the sample room dust excluding plate is additionally provided at the optical window.
Wherein, the incident unit includes laser and laser beam expanding focus pack, and the laser is sent out described sharp
Light beam is successively through sample described in the laser beam expanding focus pack, the optical window directive.
Wherein, the path channels of the laser beam are equipped with protection tube.
Wherein, the spectroscopy unit includes spectrometer and data processing host, and the spectrometer is received with the fluorescence
Collect unit connection, the spectrometer is connect with the data processing host by data line.
Wherein, the sample detection means further include power supply room, and the power supply is indoor to be equipped with power supply unit, and the power supply is single
Member is electrically connected with the incident unit, the spectroscopy unit and the control motor respectively.
(3) advantageous effect
Compared with prior art, the present invention has the following advantages：
Sample detection means provided by the invention based on laser induced breakdown spectroscopy, detected sample are placed on sample
In product room, sealed set is distinguished in light path room and sample room, is connected by optical window, realizes the incidence of laser beam and penetrating for fluorescence
Go out, fluorescence is collected by phosphor collection unit and spectral information is passed into spectroscopy unit.Pass through light path room and sample room
Isolation, sealed set are kept a public place clean convenient for optical device in device, are greatly reduced in analyte detection process since laser ablation waits for
Sample surface generates the adverse effect that dust generates detection device itself and testing result, ensure that the arteries and veins that sample reception arrives
The stabilization of impulse light energy extends the maintenance period and service life of device.
Description of the drawings
Fig. 1 is the front view of sample detection means of the embodiment of the present invention；
Fig. 2 is light path of embodiment of the present invention room vertical view；
Fig. 3 is sample room of the embodiment of the present invention and power supply room vertical view；
In figure：100, light path room；111, laser；112, laser beam expanding focus pack；121, ellipsoidal mirror；122、
Spectra collection camera lens；131, spectrometer；200, sample room；201, hermatic door；202, sample operation platform；203, motor is controlled；
204, cleaning shaft；300, power room；301, power supply unit；302, maintenance door；400, optical window.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
In the description of the present invention, it should be noted that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understands that above-mentioned term exists
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multigroup " be meant that two or
It is more than two.
Illustrate present disclosure below by specific embodiment, but protection scope of the present invention is not limited to this.
As shown in Figs. 1-3, the sample detection means provided in an embodiment of the present invention based on laser induced breakdown spectroscopy,
Including light path room 100 and sample room 200, incident unit, phosphor collection unit and spectrum analysis list are provided in light path room 100
Member, incident unit are used to be generated and transmitted by sample detection means embodiment and meet the incidence that excitation sample to be tested generates fluorescence requirement
Laser beam, the interior sample operation platform 202 being equipped with for placing sample in sample room 200.Light path room 100 and sample room 200 are close
Envelope setting, light path room 100 and sample room 200 are connected by shared optical window 400, and optical window 400 is preferably quartz
Diaphragm.Directive sample to excite sample to send out fluorescence, receive by fluorescence after the laser beam that incident unit is sent out passes through optical window 400
Collection unit pools together fluorescence, and the spectral information in fluorescence contains the element species and concentration information of sample to be tested.It is glimmering
The fluorescence being collected into is transmitted to spectroscopy unit by light collector unit, by the analyzing processing of spectroscopy unit, is obtained required
Sample detection result.Due to needing to generate spectral signal by laser ablation sample to be tested surface, some samples such as coal
Charcoal, rock and finished ground cement etc. can all generate the dust of granularity not etc., spread in sample surfaces space.Light path room 100
Including more optical device, these optical devices are exposed to the sample room for diffusing the pollutants such as dust and organic volatile
It is interior, it is easily attached to, pollutes.Light path room 100 and 200 sealed set of sample room are mutually isolated, are burnt by 400 laser of optical window
The dust that erosion sample to be tested surface generates, which does not diffuse into light path room 100, influences accurate optical device, so as to greatly subtract
The adverse effect that dust pollution generates detection device itself and testing result in few analyte detection process.
Specifically, the phosphor collection unit of the embodiment of the present invention includes ellipsoidal mirror 121 and spectra collection camera lens
122.Ellipsoidal mirror 121 is a part for ellipsoid, can make the light sent out from a focus, be converged after ellipsoid is collected
Gather another focus, two focuses of this ellipsoidal mirror 121 are respectively the first focus and the second focus.It should make to be placed on
Sample on sample operation platform is located at the first focal point of ellipsoidal mirror 121, and spectra collection camera lens 122 is made to be located at ellipsoid
Second focal point of face speculum 121, the laser beam that incident unit is sent out is across the first focal point of directive after optical window 400
Sample.Preferably, ellipsoidal mirror 121 is equipped with aperture, and the laser beam that incident unit is sent out can pass through this aperture directive
The sample of first focal point.Laser beam excites the sample of the first focal point to send out fluorescence, after these fluorescence pass through optical window 400
Spectra collection camera lens 122 is reflexed to by ellipsoidal mirror 121, since the sample that is stimulated is located at the of ellipsoidal mirror 121
One focal point, spectra collection camera lens 122 are located at the second focal point, it is sufficiently strong to ensure that spectra collection camera lens 122 can be collected into
The spectral signal of degree.In debugging in use, being made it have preferably towards angle for spectra collection camera lens 122 should be adjusted for equipment
Fluorescent collecting effect.Spectra collection camera lens 122 is connect by Transmission Fibers with spectroscopy unit.
Further, the sample room 200 of the embodiment of the present invention is additionally provided with the cleaning shaft 204 being connected to outside, pipeline
Two ports are respectively in the inside and outside of sample room 200.The first port of cleaning shaft 204 is inside sample room 200, to remove
Dirt air entry, the dedusting air entry towards sample surfaces, outside the second port connection outside sample room inhale by cleaning shaft 204
Device of air.External air suction device can generate negative pressure by cleaning shaft 204 near sample surface, to siphon away laser excitation
Sample generate dust and particulate matter, maintain sample room 200 in air environment cleanliness factor, protect optical window 400 not by
Pollution.External air suction device provides the negative pressure of near sample surface except through cleaning shaft 204, can also be filtered by increasing
Module makes it have purification function, avoids dust in external contamination environment.In addition, inside the sample room 200 of the embodiment of the present invention
Dust excluding plate can also be set at optical window 400, which can be fitted close with optical window 400.Work as sample to be tested
When needing to receive laser beam excitation generation fluorescence, dust excluding plate is opened；Excite generation glimmering when sample to be tested need not receive laser beam
Light time, when such as replacing sample, dust excluding plate enclosing cover closes the optical window 400, to which less optical window 400 is got dirty as possible
Dye utmostly reduces attachment pollution of the pollutant to optical window 400 in gaseous environment in sample room 200.
Further, the sample operation platform 202 in the sample room 200 of the embodiment of the present invention is connect with control motor 203, is controlled
Motor 203 processed can drive sample operation platform 202 to do planar movement.The planar movement makes the to be measured of laser beam excitation different location
Sample obtains spectral information, to more accurate sample to be tested detection information.It should be pointed out that the control motor 203 can receive
External control instruction drives sample operation platform 202 to do planar movement, meanwhile, sample operation platform 202 should be such that sample to be tested is located at
First focal point of ellipsoidal mirror 121.
Further, the incident unit of the embodiment of the present invention includes laser 111 and laser beam expanding focus pack 112, is swashed
Light device 111 is used to send out the high energy laser beam that excitation sample to be tested generates fluorescence, which passes through laser beam expanding focus pack
Pass through optical window 400 that sample is excited to send out fluorescence after 112 progress optics integration processing.Operation or maintenance personal's quilt in order to prevent
The path channels of the damage from laser of high energy, laser beam can be protected using protection tube, make laser beam in protection tube
It propagates in portion.
The spectroscopy unit of the embodiment of the present invention includes spectrometer 131 and data processing host, and data processing host is logical
It crosses data line to connect with spectrometer 131, spectrometer 131 is connect by Transmission Fibers with phosphor collection unit.Specifically, spectrum
Instrument 131 is connect by Transmission Fibers with spectra collection camera lens 122, it is preferable that be cased with outside this Transmission Fibers protection sleeve pipe to prevent
Only optical fiber is damaged.Data processing host is computer terminal, and the optical signal being collected into is carried out light splitting and optical telecommunications by spectrometer 131
Number conversion, and by data line with processing computer be connected realize data acquire, then utilize computer on LIBS spectrum analyses system
System analyzes collected data, obtains the specific ingredient and content of sample to be tested (such as coal quality).
In order to effectively realize electromagnetic shielding, the embodiment of the present invention is provided with individually power supply room 300, by power supply unit 301
Setting is powered in room 300 herein, and power supply unit 301 includes regulated power supply, usb signal module and FPGA control circuit module
Deng.It is powered to electricity consumptions positions such as the incident unit of device, spectroscopy unit and control motors by power supply unit 301.
In addition, sample room 200 is provided with hermatic door 201 for replacing, placing sample to be tested, the room 300 that powers be provided with maintenance door 302 with
It maintains easily, overhaul circuit unit.
As can be seen from the above embodiments, sample detection dress of the embodiment of the present invention based on laser induced breakdown spectroscopy
It sets, detected sample is placed in sample room 200, light path room 100,200 equal sealed set of sample room, and passes through optical window
The incidence of laser beam and the injection of fluorescence are realized in 400 connections.Fluorescence generation spectral information is collected by phosphor collection unit and is passed
Pass spectroscopy unit.It is arranged by being isolated, the sealing convenient for device light path system keeps a public place clean, greatly reduces analysis and detected
Since laser ablation sample to be tested surface generates the adverse effect that dust generates detection device itself and testing result in journey.Separately
Outside, it by cleaning shaft 204 and external air suction device, reduces by the dust in the sample surfaces space of laser excitation, long-term
In detection and experimentation, the clean of the cleanliness factor of optical device in optical chamber 100 and air environment in sample room 200 is kept
Cleanliness realizes 200 automatic dust removing of sample room.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of sample detection means based on laser induced breakdown spectroscopy, which is characterized in that including light path room and sample
Room is provided with incident unit, phosphor collection unit and spectroscopy unit in the light path room, is equipped with and is used in the sample room
Place the sample operation platform of sample；The equal sealed set in the light path room and the sample room, the light path room and the sample room
It is connected by optical window, it is glimmering that the laser beam that the incidence unit is sent out passes through the optical window that the sample is excited to send out
Light, the phosphor collection unit collect the fluorescence and are passed along the spectroscopy unit.
2. the sample detection means according to claim 1 based on laser induced breakdown spectroscopy, which is characterized in that institute
It includes ellipsoidal mirror and spectra collection camera lens to state phosphor collection unit, and the sample is located at the of the ellipsoidal mirror
One focal point, the spectra collection camera lens are located at the second focal point of the ellipsoidal mirror, and the sample is sent out described
Fluorescence reflexes to the spectra collection camera lens, the spectra collection mirror after the optical window by the ellipsoidal mirror
Head is connect by Transmission Fibers with the spectroscopy unit.
3. the sample detection means according to claim 2 based on laser induced breakdown spectroscopy, which is characterized in that institute
It states ellipsoidal mirror and is equipped with aperture, the laser beam sequentially passes through sample described in the aperture, the optical window directive.
4. the sample detection means according to claim 1 based on laser induced breakdown spectroscopy, which is characterized in that institute
It states sample room and is additionally provided with the cleaning shaft being connected to outside, the first port of the cleaning shaft is located inside the sample room,
And towards the sample, the second port of the cleaning shaft connects external air suction device.
5. the sample detection means according to claim 1 based on laser induced breakdown spectroscopy, which is characterized in that institute
It states sample operation platform to connect with control motor, the control motor drives the sample operation platform to do planar movement.
6. the sample detection means according to claim 1 based on laser induced breakdown spectroscopy, which is characterized in that institute
It states and is additionally provided with dust excluding plate at the optical window inside sample room.
7. special according to sample detection means of the claim 1-6 any one of them based on laser induced breakdown spectroscopy
Sign is, the incidence unit includes laser and laser beam expanding focus pack, the laser beam that the laser is sent out according to
It is secondary through sample described in the laser beam expanding focus pack, the optical window directive.
8. the sample detection means according to claim 7 based on laser induced breakdown spectroscopy, which is characterized in that institute
The path channels for stating laser beam are equipped with protection tube.
9. special according to sample detection means of the claim 1-6 any one of them based on laser induced breakdown spectroscopy
Sign is, the spectroscopy unit includes spectrometer and data processing host, the spectrometer and the phosphor collection unit
Connection, the spectrometer are connect with the data processing host by data line.
10. the sample detection means according to claim 5 based on laser induced breakdown spectroscopy, which is characterized in that
The sample detection means further include power supply room, and the power supply is indoor equipped with power supply unit, said supply unit respectively with it is described
Incident unit, the spectroscopy unit and control motor electrical connection.
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| CN201810620978.6A CN108459013A (en) | 2018-06-15 | 2018-06-15 | Sample detection means based on laser induced breakdown spectroscopy |
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| CN201810620978.6A CN108459013A (en) | 2018-06-15 | 2018-06-15 | Sample detection means based on laser induced breakdown spectroscopy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109814243A (en) * | 2019-03-11 | 2019-05-28 | 西北核技术研究所 | A kind of optical microscope imaging method and device for being monitored on-line under the condition of high temperature |
| CN110095416A (en) * | 2019-04-29 | 2019-08-06 | 西北核技术研究所 | A kind of metal bath laser absorption rate distributing on-line measurement system and method |
| CN110455782A (en) * | 2019-09-10 | 2019-11-15 | 中国科学院沈阳自动化研究所 | A kind of solid sample elemental composition rapid detection system |
| CN111929291A (en) * | 2020-06-28 | 2020-11-13 | 苏州星帆华镭光电科技有限公司 | Air cavity air pressure adjusting device of multifunctional laser-induced breakdown spectrometer |
| CN112496860A (en) * | 2020-11-27 | 2021-03-16 | 张海强 | Method for monitoring service life of turning tool in real time |
| CN114184563A (en) * | 2021-12-02 | 2022-03-15 | 复旦大学 | Ultra-spectral mobile measurement system for atmospheric components |
| CN115165847A (en) * | 2022-07-07 | 2022-10-11 | 中煤科工集团上海有限公司 | Coal rock spectrum sensing device and coal mining machine comprising same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008215851A (en) * | 2007-02-28 | 2008-09-18 | Nippon Steel Corp | Probe for laser induced fluorescence analysis and laser induced fluorescence analyzer |
| CN102095713A (en) * | 2011-03-15 | 2011-06-15 | 太原市敏通科技有限公司 | Online detection system of element content of industrial solid powder |
| CN103884692A (en) * | 2014-04-04 | 2014-06-25 | 山西大学 | Ultrahigh-space-resolution LIBS (laser-induced breakdown spectroscopy) solid-phase isotope measurement device and method |
| CN104297218A (en) * | 2013-07-15 | 2015-01-21 | 中国科学院沈阳自动化研究所 | In situ on-line detection device and method for remote metallurgy liquid metal component |
| US20160187201A1 (en) * | 2014-12-31 | 2016-06-30 | Thermo Scientific Portable Analytical Instruments Inc. | Laser induced breakdown spectroscopy sample chamber |
| CN107783242A (en) * | 2017-10-24 | 2018-03-09 | 太原师范学院 | Automatic focusing mechanism and the block LIBS on-line measuring devices using the device |
| CN107941761A (en) * | 2017-10-13 | 2018-04-20 | 中国科学院上海技术物理研究所 | Microcell materials analysis methods based on planet cabin compound detection system |
| CN208334202U (en) * | 2018-06-15 | 2019-01-04 | 北京协同创新研究院 | Sample detection means based on laser induced breakdown spectroscopy |
-
2018
- 2018-06-15 CN CN201810620978.6A patent/CN108459013A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008215851A (en) * | 2007-02-28 | 2008-09-18 | Nippon Steel Corp | Probe for laser induced fluorescence analysis and laser induced fluorescence analyzer |
| CN102095713A (en) * | 2011-03-15 | 2011-06-15 | 太原市敏通科技有限公司 | Online detection system of element content of industrial solid powder |
| CN104297218A (en) * | 2013-07-15 | 2015-01-21 | 中国科学院沈阳自动化研究所 | In situ on-line detection device and method for remote metallurgy liquid metal component |
| CN103884692A (en) * | 2014-04-04 | 2014-06-25 | 山西大学 | Ultrahigh-space-resolution LIBS (laser-induced breakdown spectroscopy) solid-phase isotope measurement device and method |
| US20160187201A1 (en) * | 2014-12-31 | 2016-06-30 | Thermo Scientific Portable Analytical Instruments Inc. | Laser induced breakdown spectroscopy sample chamber |
| CN107941761A (en) * | 2017-10-13 | 2018-04-20 | 中国科学院上海技术物理研究所 | Microcell materials analysis methods based on planet cabin compound detection system |
| CN107783242A (en) * | 2017-10-24 | 2018-03-09 | 太原师范学院 | Automatic focusing mechanism and the block LIBS on-line measuring devices using the device |
| CN208334202U (en) * | 2018-06-15 | 2019-01-04 | 北京协同创新研究院 | Sample detection means based on laser induced breakdown spectroscopy |
Cited By (9)
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|---|---|---|---|---|
| CN109814243A (en) * | 2019-03-11 | 2019-05-28 | 西北核技术研究所 | A kind of optical microscope imaging method and device for being monitored on-line under the condition of high temperature |
| CN110095416A (en) * | 2019-04-29 | 2019-08-06 | 西北核技术研究所 | A kind of metal bath laser absorption rate distributing on-line measurement system and method |
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| CN111929291A (en) * | 2020-06-28 | 2020-11-13 | 苏州星帆华镭光电科技有限公司 | Air cavity air pressure adjusting device of multifunctional laser-induced breakdown spectrometer |
| CN112496860A (en) * | 2020-11-27 | 2021-03-16 | 张海强 | Method for monitoring service life of turning tool in real time |
| CN114184563A (en) * | 2021-12-02 | 2022-03-15 | 复旦大学 | Ultra-spectral mobile measurement system for atmospheric components |
| CN114184563B (en) * | 2021-12-02 | 2024-03-29 | 复旦大学 | Atmospheric component hyperspectral mobile measurement system |
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