CN206563712U - A kind of device of laser detection solid material composition - Google Patents
A kind of device of laser detection solid material composition Download PDFInfo
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- CN206563712U CN206563712U CN201720304556.9U CN201720304556U CN206563712U CN 206563712 U CN206563712 U CN 206563712U CN 201720304556 U CN201720304556 U CN 201720304556U CN 206563712 U CN206563712 U CN 206563712U
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Abstract
A kind of device of laser detection solid material composition, belongs to spectrum analysis detection device technical field, the composition for field quick detection solid material.Its technical scheme is：Its preposition optical path unit is connected to the front end of laser, the front of preposition optical path unit is relative with drawing and pulling type sample bin, preposition optical path unit is encapsulated in right encapsulation sleeve, drawing and pulling type sample bin is encapsulated in left encapsulation sleeve, laser, right encapsulation sleeve, left encapsulation sleeve, drawing and pulling type sample bin pass sequentially through flange and are connected, the two ends of optical fiber are connected with preposition optical path unit and spectrometer respectively, and vavuum pump is connected with the gas piping in left encapsulation sleeve lateral wall.The utility model is compared to other detection means, solve that time-consuming, the low problem of precision, realize field quick detection and the analysis of the solid material composition such as clinker, steel scrap, the Accurate Determining of C, P, S elemental composition can be especially realized, remarkable effect is served for improving product quality, improving production efficiency.
Description
Technical field
The utility model is related to a kind of device of LIBS quick detection solid material composition, belongs to spectrum
Analyze detection device technical field.
Background technology
LIBS（Laser-Induced break down spectroscopy, LIBS）It is hair
The pulse laser and sample effect for going out high-energy produce plasma, by gathering and detecting gas ions signal, obtain corresponding
Spectral information, and then carry out corresponding data processing and analysis, you can obtain measuring the composition of each element in sample.Due to LIBS
Technology is material composition and concentration analysis technology based on atomic emission spectroscopy, with short, real-time without sample preparation, analysis time
Property strong, lossless, fast inspection, non-cpntact measurement, the advantages of measure the no requirement (NR) of testing sample form specification, full spectral coverage, extensively should
For fields such as Ferrous Metallurgy, biological medicine, environmental monitorings.Especially in field of steel metallurgy, Steelmaking Process chemistry into
Divide the quality and performance that directly affects finished steel, to realize the Automated condtrol of steelmaking system, improve steel-making controlled level
With steel quality, it is necessary to analyze iron and steel component quick detection, therefore the development and application of the fast and convenient test system of miniaturization
Extensive concern is obtained, the means of testing and equipment development of its high-efficient simple turn into industry forward position focus.
At present, mainly there are direct reading spectrometry, x ray fluorescence spectrometry, CS in terms of the solid material composition detection such as clinker
Chemical analysis, inductively coupled plasma emission spectrography（ICP-OES）, gas chromatography, mass spectrography（ICP-MS）
Etc. technology, although these technologies can detect the solid material component such as clinker, steel scrap, its process need to undergo sample preparation, grinding
Etc. process, whole experiment flow is longer, and cost is higher, and needs special technical staff to be operated.Utilize LIBS technologies
Without being processed to sample, analyze speed is fast, simple to operate, can accomplish that full element composes detection entirely, still, currently with
LIBS technologies survey the solid material compositions such as clinker, steel scrap and are mainly used in laboratory stage, not yet have in terms of industrial equipment
Break through Journal of Sex Research, such as multiple light path integrated installation problem, detection environment and many technical problems of experiment condition consistency problem
Urgently in solution.In metallurgy industry iron and steel component context of detection, LIBS equipment applications are much studied, but at present for C, P,
From the point of view of tri- kinds of Element detections of S, shaping LIBS equipment can not complete the accurate detection of this three big elemental composition substantially both at home and abroad at present
（Wherein not enough, light path is compact not to configure vacuum, inflation environment to compact apparatus laser power）.But for steel industry,
The big element of C, P, S tri- has most important effect for steel grade discriminating, quality judging etc., therefore develops using LIBS equipment to complete
Element detection, accurate detection is carried out with very real significance especially for the big essential element composition of C, P, S tri-.
Utility model content
Technical problem to be solved in the utility model is a kind of device of laser detection solid material composition, this detection
Device can solve the problem that current LIBS technologies are difficult to industrialize field application and the problem of popularization, realize clinker, steel scrap etc.
The field quick detection of solid material composition, can especially realize that the disaster of C, P, S tri- surveys the Accurate Determining of element.
Solving the technical scheme of above-mentioned technical problem is：
A kind of device of laser detection solid material composition, it include laser, preposition optical path unit, right encapsulation sleeve,
Left encapsulation sleeve, drawing and pulling type sample bin, vavuum pump, vacuum meter, optical fiber and spectrometer, preposition optical path unit are connected to laser
Front end, the front of preposition optical path unit is relative with drawing and pulling type sample bin, and preposition optical path unit is encapsulated in right encapsulation sleeve, pull
Formula sample bin is encapsulated in left encapsulation sleeve, and one end of right encapsulation sleeve is connected with laser by flange, right encapsulation sleeve
The other end be connected with one end of left encapsulation sleeve by flange, the other end and the drawing and pulling type sample bin of left encapsulation sleeve are by method
Orchid is connected, and preposition optical path unit is connected with one end of optical fiber, and the other end of optical fiber is led through the optical fiber on right encapsulation sleeve
Portal and be connected with spectrometer, vavuum pump is connected with the gas piping in left encapsulation sleeve lateral wall, and vacuum meter is arranged on gas
On pipeline.
The device of above-mentioned laser detection solid material composition, the preposition optical path unit includes optical channel, dichroscope branch
Frame, part, entrance lens and structure of fiber_optic are focused, optical channel is tube-in-tube structure, and there are flange and laser in the rear end of optical channel sleeve
Device is connected, and dichroscope support is arranged on the wall of optical channel side, focuses part for sleeve, focuses the sleeve connection of part in light
The front end of passage sleeve, entrance lens are arranged on the barrel forward end for focusing part, and entrance lens front end is provided with structure of fiber_optic.
The device of above-mentioned laser detection solid material composition, the optical channel and focus part junction, focus part with
Entrance lens junction, entrance lens and structure of fiber_optic junction are the attachment structure of boss and groove, and have interior hexagonal spiral shell
Bolt is fixed.
The device of above-mentioned laser detection solid material composition, the optical channel on laser adpting flange with having optical channel method
It is provided with plasmon signal delivery outlet, optical channel side wall and is also provided with and optical channel length direction on blue seal groove, optical channel side wall
In the dichroscope mounting hole and dichroscope support frame positioning device of 45° angle degree, dichroscope support side is provided with spherical positioning
Groove.
There are spherical locating slot, dichroic on the device of above-mentioned laser detection solid material composition, the dichroscope support
Mirror support positioner includes the decorative pearl on top of an official cap, decorative pearl on top of an official cap spring and decorative pearl on top of an official cap spring pedestal, and the decorative pearl on top of an official cap, decorative pearl on top of an official cap spring and decorative pearl on top of an official cap spring pedestal are placed in
In optical channel side opening, the decorative pearl on top of an official cap is engaged with spherical locating slot plays positioning limit effect.
The device of above-mentioned laser detection solid material composition, the structure of fiber_optic includes support disk, optical-fibre channel, optical fiber
The optical-fibre channel hole at an angle with axis is provided with joint and optical fiber button, support disk, optical-fibre channel is that end is threaded
Hollow circular cylinder, be interference fitted with optical-fibre channel hole, fibre-optical splice and optical fiber are placed in optical-fibre channel by threaded engagement, light
Fibre button is a hollow circular cylinder for carrying certain taper, is internally threaded, and is connected with optical-fibre channel leading portion screw thread.
The device of above-mentioned laser detection solid material composition, the drawing and pulling type sample bin includes sample stage, position adjustments and filled
Put and substrate flange, sample stage is three-stage hollow cylindrical structure, and sample stage leading portion, as sample platform is put, is half-sectional formula structure, preceding
Facing cut is opened flat hole, and center section is hollow circuit cylinder rod-like structure, and tail end is the hollow cylindrical structure with a planar end surface, internal
Provided with screw thread.
The device of above-mentioned laser detection solid material composition, the apparatus for adjusting position includes movable ejector rod, regulation hand
Handle, push rod spring and push rod spring base, movable ejector rod, push rod spring and push rod spring base are sequentially connected and are placed in sample stage
Inside, movable ejector rod end is provided with screwed hole, and regulation handle coordinates with screwed hole to be installed, and push rod spring base tail end is provided with spiral shell
Line, for coordinating fixed position adjusting means with sample stage tailing screw flight hole, can be realized by post-tensioning regulation handle and quickly varied.
Sample stage regulating tank, substrate method are provided with the device of above-mentioned laser detection solid material composition, the substrate flange
Blue seal groove, dowel hole and locking slot, sample stage regulating tank top are provided with fixing screwed hole, sample stage regulating tank and sample stage
Tail end face contact is fixed.
Quartz observing window, three ventilations are provided with the device of above-mentioned laser detection solid material composition, the left encapsulation sleeve
Body pipeline, left encapsulation sleeve and the quick clamping mechanism installed on the adpting flange of drawing and pulling type sample bin, left encapsulation sleeve is with taking out
The adpting flange of pull-type sample bin is provided with two alignment pins, fixed pin holes and flange locking slot, right encapsulation sleeve and is provided with two
Individual optical fiber leadout hole, right encapsulation sleeve and is provided with protective gas passage, two optical fiber leadout holes with the adpting flange of laser
The optical fiber for having coaxial light path and not coaxial light path respectively is exported.
The device of above-mentioned laser detection solid material composition, the quick clamping mechanism includes sliding pin, fixed sliding block, compression
Spring, spring pedestal and handle is screwed, the flange that quick clamping mechanism is connected and installed in left encapsulation sleeve by fixed pin shaft is locked
In tight groove, U-type groove and connecting hole are provided with sliding pin, fixed sliding block is fixed on sliding pin by U-type groove, connecting hole and fixed pin shaft
It is connected, sliding pin axle is provided with screw thread, coordinates with screwing the screwed hole in handle.
The beneficial effects of the utility model are：
The utility model using laser, preposition optical path unit, right encapsulation sleeve, left encapsulation sleeve, drawing and pulling type sample bin,
The structure such as optical fiber and spectrometer, preposition optical path unit can realize the integrated installation of multiple light path, can combine industry spot condition
The switching of not coaxial light path and coaxial light path is quickly realized, the long and short adjustment of whole light path is realized；Drawing and pulling type sample bin can be fast
Speed changes sample, and operating process is simple, can effectively reduce labor intensity；Right encapsulation sleeve, left encapsulation tube-in-tube structure are easy to regulation
Optical fiber installation site, prevents inside of optical fibre from bending, it is possible to meet protective atmosphere and vacuum level requirements, is easy to observation laser in examination
Focal position on sample.
The utility model can complete the field quick detection to the solid material composition such as steel scrap, clinker using LIBS technologies
And analysis, compared to other detection means, solve that time-consuming, the low problem of precision, with significant high efficiency, low energy consumption etc.
Advantage, remarkable effect is served for improving product quality, improving production efficiency.
The utility model is breakthrough of the LIBS equipment in iron and steel component detection technique, solves what is be not resolved for a long time
Problem, realizes the full element industrialization detection using LIBS equipment, particularly to the accurate of the big essential element composition of C, P, S tri-
Detection, is that the industrialized utilization of LIBS equipment opens new approach.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of preposition optical path unit；
Fig. 3 is Fig. 2 sectional view；
Fig. 4,5,6,7 are the dichroscope support of preposition optical path unit respectively, focus part, entrance lens, structure of fiber_optic
Structural representation；
Fig. 8 is drawing and pulling type sample bin structural representation；
Fig. 9 is Fig. 8 sectional view；
Figure 10 is the structural representation of right encapsulation sleeve；
Figure 11 is the structural representation of left encapsulation sleeve；
Figure 12 is the structural representation of quick clamping mechanism；
Figure 13 is the sliding pin structural representation in quick clamping mechanism.
Marked in figure as follows：
Laser 1, preposition optical path unit 2, it is right encapsulation sleeve 3, it is left encapsulation sleeve 4, drawing and pulling type sample bin 5, vavuum pump 6,
Vacuum meter 7, optical fiber 8, spectrometer 9；
Optical channel 21, dichroscope support 22, focus part 23, entrance lens 24, structure of fiber_optic 25；
Optical channel flange sealing trough 211, plasma signal delivery outlet 212, dichroscope mounting hole 213, dichroscope
Support frame positioning device 214, dichroscope support 215, optical channel side opening 216, spherical locating slot 2151, the decorative pearl on top of an official cap 2141, decorative pearl on top of an official cap bullet
Spring 2142, decorative pearl on top of an official cap spring pedestal 2143；
Focus component, fiber export groove 235, entrance lens optical fiber export groove 243；
Support disk 253, optical-fibre channel 254, fibre-optical splice 255, optical fiber buckle 256, optical-fibre channel hole 2531；
Optical fiber leadout hole 31,32, protective gas passage 33；
Quartz observing window 41, threeway gas piping 42, alignment pin 411, fixed pin holes 412, fixed pin shaft 413, flange lock
Tight groove 414；
Quick clamping mechanism 45, sliding pin 451, fixed sliding block 452, compression spring 453, compression spring base 454, screw hand
Handle 455；
Sample stage 51, apparatus for adjusting position 52, substrate flange 53；
Movable ejector rod 521, regulation handle 522, push rod spring 523, push rod spring base 524；
Sample stage regulating tank 531, substrate flange sealing trough 532, dowel hole 533, locking slot 534.
Embodiment
The utility model is by laser 1, preposition optical path unit 2, right encapsulation sleeve 3, left encapsulation sleeve 4, drawing and pulling type sample
Storehouse 5, vavuum pump 6, vacuum meter 7, optical fiber 8, spectrometer 9 are constituted.
Fig. 1 shows that preposition optical path unit 2 is connected to the front end of laser 1, the front of preposition optical path unit 2 and drawing and pulling type
Sample bin 5 is relative, and preposition optical path unit 2 is encapsulated in right encapsulation sleeve 3, and drawing and pulling type sample bin 5 is encapsulated in left encapsulation sleeve 4
Interior, one end of right encapsulation sleeve 3 is connected with laser 1 by flange, the other end of right encapsulation sleeve 3 and left encapsulation sleeve 4
One end be connected by flange, it is left encapsulation sleeve 4 the other end be connected with drawing and pulling type sample bin 5 by flange.Preposition light path
Unit 2 is connected with one end of optical fiber 8, and the other end of optical fiber 8 passes through optical fiber leadout hole 32 and spectrometer on right encapsulation sleeve 3
9 are connected, the connection software post-processing unit of spectrometer 9, carry out spectroscopic data processing and quantitative analysis.Vavuum pump 6 and left encapsulation
Gas piping on the side wall of sleeve 4 is connected, and vacuum meter 7 is arranged on gas piping.
Fig. 2,3 displays, preposition optical path unit 2 include optical channel 21, dichroscope support 22, focus part 23, incidence thoroughly
Mirror 24 and structure of fiber_optic 25.Optical channel 21 is tube-in-tube structure, and the rear end of the sleeve of optical channel 21 has flange to be connected with laser 1,
Dichroscope support 22 is arranged on the side wall of optical channel 21, is focused part 23 for sleeve, is focused the sleeve connection of part 23 in light
The front end of the sleeve of passage 21, entrance lens 24 are arranged on the barrel forward end for focusing part 23, and the front end of entrance lens 24 is provided with light
Fine support 25.
Fig. 2,3 displays, the flange of optical channel 21 are provided with optical channel flange sealing trough 211, true required by experiment for ensureing
Reciprocal of duty cycle and protective atmosphere sealing.The side of optical channel 21 is provided with plasma signal delivery outlet 212, when using coaxial light path, etc.
Ion signal is exported by dichroscope from the hole, is input a signal into by collimation lens in spectrometer 9.On the side wall of optical channel 21
Dichroscope mounting hole 213 and Look mirror support frame positioning device 214 in 45° angle degree with the length direction of optical channel 21 are also provided with, just
Positioned in the installation of dichroscope support 215.A spherical locating slot 2151 is provided with the side of dichroscope support 215.
There is spherical locating slot 2151 on Fig. 3,4 displays, dichroscope support 215, dichroscope support frame positioning device 214 is wrapped
Include the decorative pearl on top of an official cap 2141, decorative pearl on top of an official cap spring 2142 and decorative pearl on top of an official cap spring pedestal 2143.The described decorative pearl on top of an official cap 2141, decorative pearl on top of an official cap spring 2142 and decorative pearl on top of an official cap bullet
Spring base 2143 is placed in optical channel side opening 216, when dichroscope support 22 is installed, by the decorative pearl on top of an official cap 2141 and spherical locating slot
Positioning limit effect is played in 2151 cooperation.
Fig. 4,5,6,7 show, optical channel 21, focus part 23 and to be equipped with height convex for 2 ~ 3mm the front end of entrance lens 24
Platform and screw, focus part 23 and the afterbody of structure of fiber_optic 25 and are provided with 2 ~ 3mm grooves and screw, wherein focusing part 23 and incidence is saturating
The front end of mirror 24, which has, focuses component, fiber export groove 235, entrance lens optical fiber export groove 243, above-mentioned boss and groove phase
Interworking merges exports groove positioning according to optical fiber, while being fixed by hexagon socket cap head screw.
Fig. 7 shows that structure of fiber_optic 25 buckles 256 including support disk 253, optical-fibre channel 254, fibre-optical splice 255 and optical fiber,
It is provided with its medium-height trestle disk 253 with axis in 25.27 ° of optical-fibre channel hole 2531, optical-fibre channel 254 is that end is threaded
Hollow circular cylinder, is interference fitted with optical-fibre channel hole 2531, and fibre-optical splice 255 is placed in optical fiber by threaded engagement with optical fiber 8 and led to
In road, optical fiber button 256 is a hollow circular cylinder for carrying certain taper, is internally threaded, with the leading portion screw thread of optical-fibre channel 254
It is connected.
Fig. 8,9 displays, drawing and pulling type sample bin 5 include sample stage 51, apparatus for adjusting position 52 and substrate flange 53.Sample stage
51 be three-stage hollow cylindrical structure, and sample stage leading portion, as sample platform is put, is half-sectional formula structure, and outer dia is 42mm, front end
Facing cut is opened flat hole, the hollow circuit cylinder rod-like structure that center section is a diameter of 20mm, and tail end is with the hollow of a planar end surface
Cylindrical structure, is internally threaded, for installing push rod spring base 524.
Fig. 8,9 displays, apparatus for adjusting position 52 include movable ejector rod 521, regulation handle 522, push rod spring 523 and top
Bar spring pedestal 524.The end of movable ejector rod 521 is provided with screwed hole, and regulation handle 522 coordinates with screwed hole to be installed, and may move
Push rod 521, push rod spring 523 are sequentially connected with push rod spring base 524 and are placed in inside sample stage 51, push rod spring base 524
Afterbody is provided with screw thread, coordinates fixed position adjusting means 52 with the tail end of sample stage 51, can be realized soon by post-tensioning regulation handle 522
Quick change sample.
Sample stage regulating tank 531, substrate flange sealing trough 532, dowel hole are provided with Fig. 8,9 displays, substrate flange 53
533 and locking slot 534.The top of sample stage regulating tank 531 is provided with fixing screwed hole, is made by screwing interior hexagonal flush end holding screw
Hexagonal planar end surface and the contact of the tail end face of sample stage 51 are fixed in obtaining.
Figure 10 shows that right encapsulation sleeve 3 two ends, which are equipped with sleeve flange, right encapsulation sleeve 3, is provided with two optical fiber export
Optical fiber 8 when hole 31,32 two optical fiber leadout holes 31,32 are respectively used to not coaxial light path and coaxial light path system is exported, right envelope
The protective gas passage 33 that the sleeved 3 right-hand member flanges being connected with preposition optical path unit 2 are provided with.
Figure 11 shows, left encapsulation sleeve 4 two ends be equipped with sleeve flange, left encapsulation sleeve 4 be provided with quartz observing window 41,
Threeway gas piping 42.The left left end flange that is connected with drawing and pulling type sample bin 5 of encapsulation sleeve 4 be provided with two alignment pins 411,
Fixed pin holes 412, fixed pin shaft 413 and flange locking slot 414, the quick clamping mechanism 45 of drawing and pulling type sample bin 5 pass through fixation
Bearing pin 413 is arranged on left end flange, and quick clamping mechanism 45 can rotate around fixed pin shaft 413, be easy to fix drawing and pulling type sample
Storehouse 5.
Figure 12,13 displays, quick clamping mechanism 45 include sliding pin 451, fixed sliding block 452, compression spring 453, compression bullet
Spring base 454 and screw handle 455.U-type groove and connecting hole are provided with sliding pin 451, U-type groove is used to fix sliding block 452 in sliding pin
Position on 451 is fixed, and its position is adjusted according to the thickness of sample substrate flange 53, and connecting hole is connected with fixed pin shaft 413, will
The integral installation of quick clamping mechanism 45 allows it to be realized by sliding pin 451 in the flange locking slot 414 of left encapsulation sleeve 4
Around rotating in a circumferential direction for fixed pin shaft 413.Sliding pin axle is provided with screw thread, coordinates with screwing the screwed hole in handle 455, will be by fixing
The compression unit that sliding block 452, compression spring 453 and compression spring base 454 are constituted is fixed, and is completed after sample position adjustment, is led to
Cross screw handle 455 can by drawing and pulling type sample bin 5 with it is left encapsulation sleeve 4 be locked.
The use of the utility model each several part and operation principle：
The use of preposition optical path unit 2：According to requirement of experiment and space optical path actual volume situation, it is suitable to select first
Light path system.When using not coaxial light path, incident laser direction collects plasma direction in certain angle with exciting after sample
Degree, need not now install dichroscope, the part 23 that focuses that selection is adapted to the focal length of entrance lens 24 will using hexagon socket head cap screw
It is installed on the leading portion of optical channel 21, and entrance lens 24, which are installed on, focuses the leading portion of part 23, and optical fiber 8 is fixed on into structure of fiber_optic 25
On, then make optical fiber 8 by lens carrier and focus part 23 optical fiber export groove 235, entrance lens optical fiber export groove 243 from
Optical fiber leadout hole 31 is exported；When using coaxial light path, dichroscope 215 is arranged on optical channel 21, miscellaneous part is kept
Installation site is constant, and optical fiber 8 is exported from optical fiber leadout hole 32.
The use of drawing and pulling type sample bin 5：Sample to be tested is selected, handle 522 is adjusted by post-tensioning so that push rod spring 523
Shrink, sample is placed in sample stage 51, it is ensured that sample surfaces are concordant with front end face, after installing, adjusted according to distance is focused
Then whole sample stage 51 is fixed to suitable distance by interior hexagonal flush end holding screw, when changing sample, only need to remove quick clip
Tight mechanism 45, progress sample replacing is come out by the integral drawing of drawing and pulling type sample bin 5.
The use of right encapsulation sleeve 3, left encapsulation sleeve 4：According to requirement of experiment, filled by connecting vavuum pump 6 or argon filling
Put the vacuum or protective atmosphere for ensuring that right encapsulation sleeve 3, the inside holding of left encapsulation sleeve 4 are certain.Pass through quartz observing window
Mouth 41 observes focal positions, and certain fine setting is carried out to sample stage 51.
The use of quick clamping mechanism 45：Quick clamping mechanism 45 mainly meets quick-replaceable sample demand, unclamps first
Handle 455 is screwed, makes to fix sliding block 452 and departs from substrate flange 53, drawing and pulling type sample bin 5 is extracted out progress sample replacing, adjusts
After whole good focal distance, sliding pin 451 is rotated, substrate flange 53 is fixed with left sleeve flange using fixed sliding block 452, finally revolved
Tight handle 455, completes drawing and pulling type sample bin 5 and is locked with left encapsulation sleeve 4, and ensure sealing.
Application method of the present utility model is as follows：
A. suitable light path system is selected：Coaxial light path is selected, lab space can be saved, not coaxial light path, detection is selected
Precision is higher；
B. the entrance lens 24 of proper focal length are chosen and the part 23 that focuses of appropriate length completes preposition optical path unit 2
Install；
C. optical fiber 8 is exported from the optical fiber leadout hole 31 on right encapsulation sleeve 3 after optical fiber combination is installed；
D. testing sample is installed in drawing and pulling type sample bin 5, using quick clamping mechanism 45 by substrate flange 53 with it is left
The encapsulation flange of sleeve 4 is fixed；
E. laser 1 is opened, relatively low pulse energy and frequency is first set, it is burnt to observe laser by quartz observing window 41
Point position, is finely adjusted to sample stage 51, laser spot is converged in sample surfaces；
F. spectrometer 9 is opened after the adjustment for completing sample position, the parameter of laser 1 is adjusted according to requirement of experiment：Pulse energy
Amount, frequency, carry out the spectroscopic assay of serial known content sample, then determine unknown sample spectrum；
G. the composition of detected element is analyzed by testing obtained spectrum.
Application method of the present utility model is specifically described with reference to specific embodiment：
Embodiment 1：
Solid steel curved beam is detected, by taking spark direct reading spectrometry standard specimen carbon structural steels as an example, it is entered using the utility model
Row element is determined.
Before experiment starts, first ensure that laser 1 is in preferable working environment（Temperature, humidity etc.）It is interior.
From the entrance lens that not coaxial light path system and focal length are 100mm.
It is that 100mm entrance lens 24 and the long 40mm part 23 that focuses complete the preposition part of optical path unit 2 to choose focal length
Installation.
Optical fiber combination exports optical fiber 8 from the optical fiber leadout hole 31 on right encapsulation sleeve 3 after installing.
Testing sample is installed in drawing and pulling type sample bin 5, using quick clamping mechanism 45 by substrate flange 53 and left envelope
Sleeved 4 flange is fixed.
Laser 1 is opened, relatively low pulse energy is first set（100mJ）And frequency（1HZ）, seen by quartz observing window 41
Focal position of laser is examined, sample stage 51 is finely adjusted, laser spot is converged in sample surfaces.
Complete to open spectrometer 9 after the adjustment of sample position, the parameter of laser 1 is adjusted according to requirement of experiment：Pulse energy
（130mJ）, frequency（1HZ）, the spectroscopic assay of serial known content sample is carried out, unknown sample spectrum is then determined.
C element linearly dependent coefficient is obtained up to 0.999 using internal standard method, and C element content is 0.43%（National standard sample
Product carbon structural steels GSB A68072-92-5, C element certification content is 0.44%）.
Embodiment 2：
Element detection is carried out to clinker using the utility model.
Before experiment starts, first ensure that laser 1 is in preferable working environment（Temperature, humidity etc.）It is interior.
From the entrance lens 24 that coaxial light path and focal length are 40mm.
G of slag sample is ground tabletting be made it is discoid（Direct measurement）, choose the entrance lens 24 that focal length is 40mm
With the long 100mm installation for focusing part 23 and the preposition light path of dichroscope completion.
Optical fiber combination exports optical fiber 8 from the optical fiber leadout hole 32 on right encapsulation sleeve 3 after installing.
Testing sample is installed in drawing and pulling type sample bin 5, using quick clamping mechanism 45 by substrate flange 53 and left envelope
Sleeved 4 flange is fixed.
Laser 1 is opened, relatively low pulse energy is first set（100mJ）And frequency（1HZ）, seen by quartz observing window 41
Focal position of laser is examined, sample stage 51 is finely adjusted, laser spot is converged in sample surfaces.
Complete to open spectrometer 9 after the adjustment of sample position, the parameter of laser 1 is adjusted according to requirement of experiment：Pulse energy
（130mJ）, frequency（1HZ）, the spectroscopic assay of serial known content clinker press sheet compression is carried out, unknown clinker sample is then determined
Product.
It is 36.73% to obtain counter its oxide content that pushes away of Si constituent contents using internal standard method（Blast furnace slag standard sample
YSBC28851-98, SiO2 certification content are 34.65%）.
Claims (11)
1. a kind of device of laser detection solid material composition, it is characterised in that：It includes laser（1）, preposition optical path unit
（2）, right encapsulation sleeve（3）, left encapsulation sleeve（4）, drawing and pulling type sample bin（5）, vavuum pump（6）, vacuum meter（7）, optical fiber（8）With
Spectrometer（9）, preposition optical path unit（2）It is connected to laser（1）Front end, preposition optical path unit（2）Front and drawing and pulling type
Sample bin（5）Relatively, preposition optical path unit（2）It is encapsulated in right encapsulation sleeve（3）It is interior, drawing and pulling type sample bin（5）It is encapsulated in left envelope
It is sleeved（4）It is interior, right encapsulation sleeve（3）One end and laser（1）It is connected by flange, right encapsulation sleeve（3）It is another
End and left encapsulation sleeve（4）One end be connected by flange, left encapsulation sleeve（4）The other end and drawing and pulling type sample bin（5）
It is connected by flange, preposition optical path unit（2）With optical fiber（8）One end be connected, optical fiber（8）The other end pass through right package cover
Cylinder（3）On optical fiber leadout hole（31）With spectrometer（9）It is connected, vavuum pump（6）With left encapsulation sleeve（4）Gas on the wall of side
Pipeline is connected, vacuum meter（7）On gas piping.
2. the device of laser detection solid material composition according to claim 1, it is characterised in that：The preposition light path list
Member（2）Including optical channel（21）, dichroscope support（22）, focus part（23）, entrance lens（24）And structure of fiber_optic（25）,
Optical channel（21）For tube-in-tube structure, optical channel（21）There are flange and laser in the rear end of sleeve（1）It is connected, dichroscope support
（22）Installed in optical channel（21）On the wall of side, part is focused（23）For sleeve, part is focused（23）Sleeve connection in optical channel
（21）The front end of sleeve, entrance lens（24）Installed in focusing part（23）Barrel forward end, entrance lens（24）Install front end
There is structure of fiber_optic（25）.
3. the device of laser detection solid material composition according to claim 2, it is characterised in that：The optical channel（21）
With focusing part（23）Junction, focus part（23）With entrance lens（24）Junction, entrance lens（24）With structure of fiber_optic
（25）Junction is the attachment structure of boss and groove, and has hexagon socket head cap screw to fix.
4. the device of laser detection solid material composition according to claim 3, it is characterised in that：The optical channel（21）
With laser（1）There is optical channel flange sealing trough on adpting flange（211）, optical channel（21）It is defeated that plasmon signal is provided with the wall of side
Portal（212）, optical channel（21）Also it is provided with and optical channel on the wall of side（21）Length direction is in the dichroscope mounting hole of 45° angle degree
（213）And dichroscope support frame positioning device（214）, dichroscope support（215）Side is provided with spherical locating slot（2151）.
5. the device of laser detection solid material composition according to claim 4, it is characterised in that：The dichroscope branch
Frame positioner（214）Including the decorative pearl on top of an official cap（2141）, decorative pearl on top of an official cap spring（2142）With decorative pearl on top of an official cap spring pedestal（2143）, the decorative pearl on top of an official cap（2141）、
Decorative pearl on top of an official cap spring（2142）With decorative pearl on top of an official cap spring pedestal（2143）It is placed in optical channel side opening（216）It is interior.
6. the device of laser detection solid material composition according to claim 5, it is characterised in that：The structure of fiber_optic
（25）Including support disk（253）, optical-fibre channel（254）, fibre-optical splice（255）With optical fiber button（256）, support disk（253）
On be provided with optical-fibre channel hole with axis at an angle（2531）, optical-fibre channel（254）For the threaded hollow circuit cylinder in end
Body, with optical-fibre channel hole（2531）Interference fit, fibre-optical splice（255）With optical fiber（8）Optical-fibre channel is placed in by threaded engagement
（254）It is interior, optical fiber button（256）For a hollow circular cylinder for carrying certain taper, it is internally threaded, with optical-fibre channel（254）
Leading portion screw thread is connected.
7. the device of laser detection solid material composition according to claim 6, it is characterised in that：The drawing and pulling type sample
Storehouse（5）Including sample stage（51）, apparatus for adjusting position（52）And substrate flange（53）, sample stage（51）For three-stage hollow circuit cylinder
Structure, sample stage（51）Leading portion, as sample platform is put, is half-sectional formula structure, and front end facing cut is opened flat hole, and center section is hollow circuit cylinder
Rod-like structure, tail end is the hollow cylindrical structure with a planar end surface, is internally threaded.
8. the device of laser detection solid material composition according to claim 7, it is characterised in that：The position adjustments dress
Put（52）Including movable ejector rod（521）, regulation handle（522）, push rod spring（523）And push rod spring base（524）, it is removable
Dynamic push rod（521）, push rod spring（523）With push rod spring base（524）It is sequentially connected and is placed in sample stage（51）Inside, may move
Push rod（521）End is provided with screwed hole, regulation handle（522）Coordinate with screwed hole and install, push rod spring base（524）Tail end is set
There is screw thread.
9. the device of laser detection solid material composition according to claim 8, it is characterised in that：The substrate flange
（53）On be provided with sample stage regulating tank（531）, substrate flange sealing trough（532）, dowel hole（533）And locking slot（534）, sample
Sample platform regulating tank（531）Top is provided with fixing screwed hole, sample stage regulating tank（531）With sample stage（51）Tail end face contact is solid
It is fixed.
10. the device of laser detection solid material composition according to claim 9, it is characterised in that：The left package cover
Cylinder（4）On be provided with quartz observing window（41）, threeway gas piping（42）, left encapsulation sleeve（4）With drawing and pulling type sample bin（5）Company
The quick clamping mechanism installed on acting flange（45）, left encapsulation sleeve（4）With drawing and pulling type sample bin（5）Adpting flange be provided with
Two alignment pins（411）, fixed pin holes 412 and flange locking slot（414）, right encapsulation sleeve（3）On be provided with the export of two optical fiber
Hole（31）, right encapsulation sleeve（3）And and laser（1）Adpting flange be provided with protective gas passage（33）, two optical fiber lead
Portal（31、32）There is the optical fiber of coaxial light path and not coaxial light path respectively（8）Export.
11. the device of laser detection solid material composition according to claim 10, it is characterised in that：The Quick-clamped
Mechanism（45）Including sliding pin（451）, fixed sliding block（452）, compression spring（453）, compression spring base（454）And screw handle
（455）, quick clamping mechanism（45）Pass through fixed pin shaft（413）It is connected and installed in left encapsulation sleeve（4）Flange locking slot
（414）In, sliding pin（451）On be provided with U-type groove and connecting hole, fixed sliding block（452）Sliding pin is fixed on by U-type groove（451）On,
Connecting hole and fixed pin shaft（413）It is connected, sliding pin axle is provided with screw thread, with screwing handle（455）In screwed hole coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720304556.9U CN206563712U (en) | 2017-03-27 | 2017-03-27 | A kind of device of laser detection solid material composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720304556.9U CN206563712U (en) | 2017-03-27 | 2017-03-27 | A kind of device of laser detection solid material composition |
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| Publication Number | Publication Date |
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| CN206563712U true CN206563712U (en) | 2017-10-17 |
Family
ID=60032883
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720304556.9U Withdrawn - After Issue CN206563712U (en) | 2017-03-27 | 2017-03-27 | A kind of device of laser detection solid material composition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896099A (en) * | 2017-03-27 | 2017-06-27 | 河钢股份有限公司 | A kind of device and method of laser detection solid material composition |
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2017
- 2017-03-27 CN CN201720304556.9U patent/CN206563712U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896099A (en) * | 2017-03-27 | 2017-06-27 | 河钢股份有限公司 | A kind of device and method of laser detection solid material composition |
| CN106896099B (en) * | 2017-03-27 | 2023-08-22 | 河钢股份有限公司 | Device and method for detecting solid material components by laser |
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