CN107238621A - A kind of utilization total focus technology surveys the device of full constituent content - Google Patents
A kind of utilization total focus technology surveys the device of full constituent content Download PDFInfo
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- CN107238621A CN107238621A CN201710663101.0A CN201710663101A CN107238621A CN 107238621 A CN107238621 A CN 107238621A CN 201710663101 A CN201710663101 A CN 201710663101A CN 107238621 A CN107238621 A CN 107238621A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 39
- 239000000470 constituent Substances 0.000 title claims abstract description 28
- 239000013078 crystal Substances 0.000 claims abstract description 112
- 230000003287 optical effect Effects 0.000 claims abstract description 54
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 26
- 230000005693 optoelectronics Effects 0.000 claims description 18
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 10
- 238000004611 spectroscopical analysis Methods 0.000 abstract description 9
- 238000001228 spectrum Methods 0.000 abstract description 3
- 238000004876 x-ray fluorescence Methods 0.000 abstract description 3
- 238000010183 spectrum analysis Methods 0.000 description 4
- 230000003001 depressive effect Effects 0.000 description 2
- 108700012928 MAPK14 Proteins 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 102000012500 Proto-Oncogene Proteins c-crk Human genes 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010206 sensitivity analysis Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
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- General Physics & Mathematics (AREA)
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses the device that a kind of utilization total focus technology surveys full constituent content, including cavity components, optical filter switching component, detector assembly, Cr target tube assemblies, bent crystal component, Ag target tube assemblies, support frame, Sample assemblies, Cr target high voltage power supplies, Ag targets high voltage power supply and gas generating unit, optical filter switching component, detector assembly, Cr targets tube assembly and bent crystal component are fixedly connected with cavity components, Ag target tube assemblies are fixedly connected on bent crystal component, cavity components are fixed on support frame, Sample assemblies are arranged in cavity components, gas generating unit is connected by breather pipe with cavity components, Cr targets high voltage power supply is electrically connected with Cr target tube assemblies, Ag targets high voltage power supply is electrically connected with Ag target tube assemblies.The present invention by using total focus technology, be placed with the seal cavity of sample inflation and realize the high accuracy analysis of the full element of energy disperse spectroscopy using the X-ray fluorescence spectra analytical technology of two groups of light pipes.
Description
Technical field
The present invention relates to field of spectral analysis technology, more particularly to a kind of utilization total focus technology surveys full constituent content
Device.
Background technology
At present, domestic and international X-fluorescence energy depressive spectroscopy (hereinafter referred to as energy disperse spectroscopy) is mainly used in the medium of more than K in periodic table
Or heavy element analysis, if energy disperse spectroscopy is used for into the light element analysis such as Na → Cl, its analysis precision is poor, therefore light element
Analysis field is leading still using spectrometer.Recent years, occur in that and list is carried out to the related spectral line (CrK2 or AgLa1) of X-ray tube
The energy spectrum analysis new technology that color is focused on.Using such a new technology can in high precision, high-sensitivity analysis Na → Cl various light members
Element, but the full element energy depressive spectroscopy of light element can be analyzed simultaneously, then still in heuristic process.
In summary, the analysis precision of the light element of energy disperse spectroscopy how is improved, and realizes the energy of full element energy spectrum analysis
Spectrometer turns into technical problem urgently to be resolved hurrily.
The content of the invention
It is above-mentioned existing to solve it is an object of the invention to provide the device that a kind of utilization total focus technology surveys full constituent content
The problem of technology is present, makes the analysis precision of the light element of energy disperse spectroscopy higher, and can realize the energy spectrum analysis of full element.
To achieve the above object, the invention provides following scheme：Surveyed the invention provides one kind using total focus technology
The device of full constituent content, including cavity components, optical filter switching component, detector assembly, Cr targets tube assembly, bent crystal component,
Ag targets tube assembly, support frame, Sample assemblies, Cr targets high voltage power supply, Ag targets high voltage power supply and gas generating unit, the optical filter
Changeover module, detector assembly, Cr targets tube assembly and bent crystal component are fixedly connected with the cavity components, the Ag targets pipe
Component is fixedly connected on the bent crystal component, and the cavity components are fixed on support frame as described above, and the Sample assemblies are set
In the cavity components, the gas generating unit is connected by breather pipe with the cavity components, the Cr targets high-tension electricity
Source is electrically connected with the Cr targets tube assembly, and the Ag targets high voltage power supply is electrically connected with the Ag targets tube assembly.
Preferably, the optical filter switching component is opened including motor, optical filter support, light barrier, supporting plate, photoelectricity
Close and optoelectronic switch installing plate, the optoelectronic switch installing plate, motor and optical filter support are respectively mounted on the supporting plate, institute
State supporting plate to be fixedly connected on the cavity components, rack and optical filter mounting hole, institute are provided with the optical filter support
Optoelectronic switch is stated on the optoelectronic switch installing plate, the light barrier is arranged in optical filter support, and with institute
Optical filter support is stated to move together, while with the optoelectronic switch sliding contact, the output shaft of the motor and a gear
It is fixedly connected, the gear is engaged with the rack.
Preferably, the bent crystal component is fixed including bent crystal mounting box, the bent crystal, bent crystal supporting plate, crystal fine tuning plate, screw
Block, spring, crystal adjustment axis, sealing flange and screw, the bent crystal mounting box are fixedly connected on the cavity components, described
Crystal is fixed on the bent crystal supporting plate, and the bent crystal supporting plate is fixed on the crystal adjustment axis and is placed in the bent crystal mounting box
On the one end in portion, one end that the crystal adjustment axis is located at outside the bent crystal mounting box is fixed with the crystal fine tuning plate to be connected
Connect, the crystal adjustment axis can be rotated relative to the bent crystal mounting box, the crystal adjustment axis and the bent crystal mounting box
It is provided with link position on the outside of sealing ring, the sealing ring and is provided with sealing flange；The side correspondence of the crystal fine tuning plate
Position sets the screw fixed block, and the screw fixed block is fixed on the bent crystal and installed on outer box wall；The screw is fixed
It is provided with block on the first screwed hole, the crystal fine tuning plate and is provided with through hole, the lead to the hole site and first screwed hole
Position correspondence；The screw is sequentially passed through after the through hole, spring, is threadedly coupled with the first screwed hole.
Preferably, the bent crystal component also includes being provided with the second screwed hole, the top on jackscrew, the crystal fine tuning plate
Silk is threadedly coupled with second screwed hole, and its end is withstood on the side of the screw fixed block.
Preferably, the distance of the screw and the crystal adjustment axis be more than the jackscrew and the crystal adjustment axis away from
From.
Preferably, the detector assembly includes detector, mounting flange and detector protective cap, and the detector passes through
The mounting flange is fixed on the cavity components, and the detector protective cap is arranged on the detecting head of the detector front end
On.
Preferably, the Cr targets tube assembly includes Cr targets light pipe and optical filter pressing plate, and the optical filter pressing plate is arranged on institute
State on Cr target light pipes, fixed optical filter pressing plate is corresponding with the position of mounting hole on the cavity components on the Cr targets light pipe,
The Cr targets light pipe is connected by screw on the cavity components；Sealing ring and film are set on the optical filter pressing plate, led to
The sealing ring and film is crossed to seal the inner chamber of the cavity components.
Preferably, the Ag targets tube assembly includes Ag targets pipe and light pipe connector, and the Ag targets pipe is connected by the light pipe
Fitting is connected on the bent crystal component, and junction is sealed by sealing ring.
Preferably, the cavity components include cavity and cavity lid, and the cavity lid is connected by screw the spiral shell in cavity
In pit, the contact position of cavity and the cavity lid sets sealing ring.
Preferably, the Sample assemblies include specimen cup and sample carrier, and the sample carrier is fixed on the inside cavity, institute
Specimen cup is stated to be placed on the sample carrier.
The present invention achieves following technique effect relative to prior art：
The utilization total focus technology of the present invention surveys the device of full constituent content, by using total focus technology, is placed with sample
Inflate in the seal cavity of product and realize the high-precision of the full element of energy disperse spectroscopy using the X-ray fluorescence spectra analytical technology of two groups of light pipes
Degree analysis.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 surveys a kind of structural representation of angle of the device of full constituent content for the utilization total focus technology of the present invention；
Fig. 2 surveys the structural representation of another angle of the device of full constituent content for the utilization total focus technology of the present invention
Figure；
Fig. 3 surveys the Section A-A schematic cross-sectional view of the device of full constituent content for Fig. 2 utilization total focus technology；
The structure that Fig. 4 surveys the optical filter switching component of the device of full constituent content for the utilization total focus technology of the present invention is shown
It is intended to；
Fig. 5 surveys a kind of knot of angle of the bent crystal component of the device of full constituent content for the utilization total focus technology of the present invention
Structure schematic diagram；
Fig. 6 surveys another angle of the bent crystal component of the device of full constituent content for the utilization total focus technology of the present invention
Structural representation；
Fig. 7 surveys the section B-B section view signal of the bent crystal component of the device of full constituent content for Fig. 6 utilization total focus technology
Figure；
Fig. 8 surveys the structural representation of the cavity components of the device of full constituent content for the utilization total focus technology of the present invention；
Fig. 9 surveys the C-C cross sections signal of the cavity components of the device of full constituent content for Fig. 8 utilization total focus technology
Figure；
Wherein, 1 is cavity components, and 11 be cavity, and 12 be cavity lid, and 2 be Cr target tube assemblies, and 3 be support frame, and 4 be optical filtering
Piece changeover module, 41 be supporting plate, and 42 be optoelectronic switch installing plate, and 43 be optoelectronic switch, and 44 be light barrier, and 45 be optical filter branch
Support, 46 be motor, and 47 be rack, and 48 be optical filter mounting hole, and 5 be detector assembly, and 6 be Ag target tube assemblies, and 7 be the bent crystal
Component, 71 be bent crystal mounting box, and 72 be the bent crystal, and 73 be bent crystal supporting plate, and 74 be bent crystal tuning plate, and 75 be screw fixed block, and 76 are
Spring, 77 be crystal adjustment axis, and 78 be sealing flange, and 79 be screw, and 710 be jackscrew.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
As shown in figs 1-9, the invention provides the device that a kind of utilization total focus technology surveys full constituent content, including cavity
Component 1, optical filter switching component 4, detector assembly 5, Cr targets tube assembly 2, bent crystal component 7, Ag targets tube assembly 6, support frame 3,
Sample assemblies, Cr targets high voltage power supply, Ag targets high voltage power supply and gas generating unit, optical filter switching component 4, detector assembly 5,
Cr targets tube assembly 2 and bent crystal component 7 are fixedly connected with cavity components 1, and Ag targets tube assembly 6 is fixedly connected on bent crystal component 7
On, cavity components 1 are fixed on support frame 3, and Sample assemblies are arranged in cavity components 1, and gas generating unit passes through breather pipe
Connected with cavity components, gas generating unit is that gas atmosphere is provided in cavity.Cr targets high voltage power supply is electrically connected with Cr targets tube assembly 2
Connect, Ag targets high voltage power supply is electrically connected with Ag targets tube assembly 6.
Optical filter switching component 4 includes motor 46, optical filter support 45, light barrier 44, supporting plate 41, optoelectronic switch
43 and optoelectronic switch installing plate 42, optoelectronic switch installing plate 42, motor 46 and optical filter support 45 are installed in supporting plate
On 41, supporting plate 41 is fixedly connected on cavity components 1,.Rack 47 and optical filter mounting hole are provided with optical filter support 45
48, optical filter mounting hole 48 sets 5, for installing optical filter.Optoelectronic switch 43 is arranged on optoelectronic switch installing plate 42, gear
Mating plate 44 be arranged on optical filter support 45 on, and with optical filter support 45 together with move, while with the sliding contact of optoelectronic switch 43,
For the optical filter work for controlling to be located in different optical filter mounting holes 48.The output shaft of motor 46 and a gear, which are fixed, to be connected
Connect, the wheel and rack 47 is engaged.Under the driving of motor 46, optical filter support 45 is toggled positioned at optical filter peace
The position of the optical filter in hole 48 is filled, so as to realize the analysis to element different.The number of optical filter mounting hole 48 is regardless of
In 5, it can set according to demand.
Bent crystal component 7 includes bent crystal mounting box 71, the bent crystal 72, bent crystal supporting plate 73, crystal fine tuning plate 74, screw fixed block
75th, spring 76, crystal adjustment axis 77, sealing flange 78 and screw 79, bent crystal mounting box 71 are fixedly connected on cavity components 1,
Crystal 72 is fixed on bent crystal supporting plate 73, and bent crystal supporting plate 73 is fixed on one that crystal adjustment axis 77 is placed in inside bent crystal mounting box 71
On end, one end that crystal adjustment axis 77 is located at outside bent crystal mounting box 71 is fixedly connected with crystal fine tuning plate 74, crystal adjustment axis
77 can rotate relative to the box wall of bent crystal mounting box 71, and crystal adjustment axis 77 at the link position of bent crystal mounting box 71 with being provided with
Sealing flange 78 is provided with the outside of sealing ring, sealing ring；The side correspondence position of crystal fine tuning plate 74 sets screw fixed block 75；
Screw fixed block 75 is fixedly connected on the outer wall of bent crystal mounting box 71.The first screwed hole is provided with screw fixed block 75, it is brilliant
Through hole is provided with body tuning plate 74, the lead to the hole site is corresponding with the first screw thread hole site；Screw 79 sequentially passes through institute
State after through hole and spring 76, be threadedly coupled with the first screwed hole.By rotary screw 79, crystal fine tuning plate 74 is driven to move, it is brilliant
The motion of body tuning plate 74 drives the crystal adjustment axis 77 of connection fixed thereto to rotate, and connects so as to drive and be fixed with crystal adjustment axis 77
The bent crystal supporting plate 73 connect is rotated, and is realized the adjustment to the use angle of the bent crystal 72, is made the focal spot of the bent crystal 72 in place.
Launching efficiency can be greatly improved through over-focusing X-ray.
Bent crystal component 7 also includes jackscrew 710, is additionally provided with the second screwed hole on crystal fine tuning plate 74, jackscrew 710 with it is described
Second screwed hole is threadedly coupled, and its end is withstood on the side of close crystal fine tuning plate 74 of screw fixed block 75.By setting
Top set silk 710 so that the bent crystal 72 of bent crystal component 7, which is adjusted not have after angle, to be rocked, it is ensured that the bent crystal 72 in the course of work
Angle reliability.
Screw 79 and the distance of crystal adjustment axis 77 are more than jackscrew 710 and the distance of crystal adjustment axis 77 so that angle is adjusted
During section, operate more laborsaving.
Detector assembly 5 includes detector, mounting flange and detector protective cap, and the detector passes through the fixation
Orchid is fixed on the cavity components 1, and the detector protective cap is arranged on the detecting head of the detector front end.
Cavity components 1 include cavity 11 and cavity lid 12, and cavity lid 12 is connected by screw in the screwed hole of cavity 11,
The contact position of cavity 11 and cavity lid 12 sets sealing ring.Cr targets tube assembly 2 includes Cr targets light pipe and optical filter pressing plate, described
Optical filter pressing plate is arranged on the Cr targets light pipe, fixed optical filter pressing plate and the installation on cavity 11 on the Cr targets light pipe
Hole site correspondence, the Cr targets light pipe is connected by screw on cavity components 1.On the optical filter pressing plate set sealing ring and
Film, is sealed by the sealing ring and film to the link position of cavity components 1 and the optical filter pressing plate, so as to protect
Demonstrate,prove the sealing of cavity 11.
Ag targets tube assembly 6 includes Ag targets pipe and light pipe connector, and the Ag targets pipe is connected to by the light pipe connector
On bent crystal component 7, junction is sealed by sealing ring.
The Sample assemblies include specimen cup and sample carrier, and the sample carrier is fixed on inside cavity 11, the specimen cup
It is placed on the sample carrier.
During device to test, gas atmosphere, Cr target tube assemblies are provided by pipeline for cavity components 1 are interior by gas generating unit
2 and Ag targets tube assembly 6 produces X-ray under Cr targets high voltage power supply, the driving of Ag target high voltage power supplies respectively.Cr targets tube assembly 2 is produced
The sample that irradiation is placed in the specimen cup in cavity 11 after raw ray is filtered by optical filter switching component 4, and Ag target pipe groups
The ray that part 6 is produced irradiates the sample being placed in the specimen cup in cavity 11 after then being focused on by bent crystal component 7.Sample produces two
Secondary fluorescence, this fluorescence is detected device assembly 5 and received and analyze data, obtains test result.The utilization total focus technology of the present invention
The device of full constituent content is surveyed, by using total focus technology, is placed with the seal cavity of sample and inflates and using two groups of light
The X-ray fluorescence spectra analytical technology of pipe realizes the full elemental analysis of energy disperse spectroscopy, and puies forward the concrete analysis data of element
High an order of magnitude.
Specific case is applied in the present invention to be set forth the principle and embodiment of the present invention, above example
Illustrate the method and its core concept for being only intended to help to understand the present invention；Simultaneously for those of ordinary skill in the art, according to
According to the thought of the present invention, it will change in specific embodiments and applications.In summary, this specification content
It should not be construed as limiting the invention.
Claims (10)
1. a kind of utilization total focus technology surveys the device of full constituent content, it is characterised in that：Switch including cavity components, optical filter
Component, detector assembly, Cr targets tube assembly, bent crystal component, Ag targets tube assembly, support frame, Sample assemblies, Cr targets high voltage power supply,
Ag targets high voltage power supply and gas generating unit, the optical filter switching component, detector assembly, Cr targets tube assembly and bent crystal component
It is fixedly connected with the cavity components, the Ag targets tube assembly is fixedly connected on the bent crystal component, the cavity group
Part is fixed on support frame as described above, and the Sample assemblies are arranged in the cavity components, and the gas generating unit passes through logical
Tracheae is connected with the cavity components, and the Cr targets high voltage power supply is electrically connected with the Cr targets tube assembly, the Ag targets high-tension electricity
Source is electrically connected with the Ag targets tube assembly.
2. utilization total focus technology according to claim 1 surveys the device of full constituent content, it is characterised in that：It is described to filter
Piece changeover module includes motor, optical filter support, light barrier, supporting plate, optoelectronic switch and optoelectronic switch installing plate, described
Optoelectronic switch installing plate, motor and optical filter support are respectively mounted on the supporting plate, and the supporting plate is fixedly connected on described
On cavity components, rack and optical filter mounting hole are provided with the optical filter support, the optoelectronic switch is arranged on the light
On electric switch installing plate, the light barrier is arranged in optical filter support, and is moved together with optical filter support, together
When with the optoelectronic switch sliding contact, the output shaft of the motor is fixedly connected with a gear, the gear with it is described
Rack is engaged.
3. utilization total focus technology according to claim 1 surveys the device of full constituent content, it is characterised in that：The bent crystal
Component includes bent crystal mounting box, the bent crystal, bent crystal supporting plate, crystal fine tuning plate, screw fixed block, spring, crystal adjustment axis, Sealing Method
Blue and screw, the bent crystal mounting box is fixedly connected on the cavity components, and the crystal is fixed on bent crystal supporting plate, described
Bent crystal supporting plate is fixed on the crystal adjustment axis and is placed on one end inside the bent crystal mounting box, and the crystal adjustment axis is located at
One end outside the bent crystal mounting box is fixedly connected with the crystal fine tuning plate, and the crystal adjustment axis can be relative to described
Bent crystal mounting box is rotated, and the crystal adjustment axis at the bent crystal mounting box link position with being provided with sealing ring, the sealing
Circle outside is provided with sealing flange；The side correspondence position of the crystal fine tuning plate sets the screw fixed block, the screw
Fixed block is fixed on the bent crystal and installed on outer box wall；The first screwed hole is provided with the screw fixed block, the crystal is micro-
Through hole is provided with tuned plate, the lead to the hole site is corresponding with the first screw thread hole site；The screw sequentially passes through described logical
After hole, spring, it is threadedly coupled with the first screwed hole.
4. utilization total focus technology according to claim 3 surveys the device of full constituent content, it is characterised in that：The bent crystal
Component also includes being provided with the second screwed hole, the jackscrew and the second screwed hole screw thread on jackscrew, the crystal fine tuning plate
Connect, and its end is withstood on the side of the screw fixed block.
5. utilization total focus technology according to claim 4 surveys the device of full constituent content, it is characterised in that：The screw
It is more than the jackscrew and the distance of the crystal adjustment axis with the distance of the crystal adjustment axis.
6. utilization total focus technology according to claim 1 surveys the device of full constituent content, it is characterised in that：The detection
Device assembly includes detector, mounting flange and detector protective cap, and the detector is fixed on described by the mounting flange
On cavity components, the detector protective cap is arranged on the detecting head of the detector front end.
7. utilization total focus technology according to claim 1 surveys the device of full constituent content, it is characterised in that：The Cr targets
Tube assembly includes Cr targets light pipe and optical filter pressing plate, and the optical filter pressing plate is arranged on the Cr targets light pipe, the Cr targets light
Fixed optical filter pressing plate is corresponding with the position of mounting hole on the cavity components on pipe, and the Cr targets light pipe is connected by screw
On the cavity components；Sealing ring and film are set on the optical filter pressing plate, by the sealing ring and film to described
The inner chamber of cavity components is sealed.
8. utilization total focus technology according to claim 1 surveys the device of full constituent content, it is characterised in that：The Ag targets
Tube assembly includes Ag targets pipe and light pipe connector, and the Ag targets pipe is connected to the bent crystal component by the light pipe connector
On, junction is sealed by sealing ring.
9. the utilization total focus technology according to claim any one of 1-8 surveys the device of full constituent content, it is characterised in that：
The cavity components include cavity and cavity lid, and the cavity lid is connected by screw in the screwed hole of cavity, the cavity
Sealing ring is set with the contact position of cavity lid.
10. utilization total focus technology according to claim 9 surveys the device of full constituent content, it is characterised in that：The sample
Product component includes specimen cup and sample carrier, and the sample carrier is fixed on the inside cavity, and the specimen cup is placed in the sample
In support.
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| CN201710663101.0A CN107238621A (en) | 2017-08-05 | 2017-08-05 | A kind of utilization total focus technology surveys the device of full constituent content |
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| CN201710663101.0A CN107238621A (en) | 2017-08-05 | 2017-08-05 | A kind of utilization total focus technology surveys the device of full constituent content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956672A (en) * | 2018-05-15 | 2018-12-07 | 江苏天瑞仪器股份有限公司 | Examine the detection method that instrument Special sample cup carries out heavy metal analysis fastly using food |
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