CN107389715A - A kind of XRF collimating components - Google Patents
A kind of XRF collimating components Download PDFInfo
- Publication number
- CN107389715A CN107389715A CN201710514490.0A CN201710514490A CN107389715A CN 107389715 A CN107389715 A CN 107389715A CN 201710514490 A CN201710514490 A CN 201710514490A CN 107389715 A CN107389715 A CN 107389715A
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- China
- Prior art keywords
- collimating
- xrf
- aperture
- block
- collimating components
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/316—Accessories, mechanical or electrical features collimators
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The present invention relates to a kind of XRF collimating components, including：Motor；Guide rail；Block is collimated, is set on guide rail；Speculum and at least one collimating aperture arranged vertically are provided with collimation block, collimation block can move along the rail under the driving of linear electric motors.The collimating components by setting with speculum of the present invention, when needing to observe sample position by camera, collimation block is set to be in observation position by linear electric motors, now sample can be observed by camera, and the image of shooting is not deformed distortion, product imaging and the adjustment of position are more accurate, after sample position adjustment terminates, collimation block is in test position by linear electric motors again, do not influence the function of X-ray detection.
Description
Technical field
The present invention relates to a kind of XRF collimating components, belong to elementary analysis equipment technical field.
Background technology
The atom of any element forms all by atomic nucleus and around the electronics of nuclear motion, and extranuclear electron is by its energy
Height layer distributed and form different energy levels, therefore, an atomic nucleus can have a variety of energy states.The energy of minimum energy
Level state is referred to as ground state level, and remaining energy level is referred to as excited level, and the excitation state of minimum energy is then referred to as first excited state.Just
In the case of often, atom is in ground state, moving on rails of the electron outside nucleus in respective minimum energy.If by certain outside energy such as
Luminous energy is supplied to the ground state atom, when ambient light ENERGY E is exactly equal in the ground state atom between ground state and a certain higher energy level
Energy level difference △ E when, the atom will absorb the light of this characteristic wavelength, outer-shell electron by ground state transition to corresponding excitation state,
Form atomic absorption spectrum.Electron transition is in excitation state later to higher energy level, but excitation state electronics is unstable, is passed through
After one short period, excitation state electronics will return to ground state or other lower level, and the energy absorbed during by electron transition with
The form of light discharges, and this process forms atomic emission spectrum.It can be seen that atomic absorption spectrum process absorbs emittance, and
Atomic emission spectrum process then discharges emittance.The analysis principle of x-ray fluorescence spectrometry instrument is：Light source launches original
Level X-ray, the radiation exposure sample, the corresponding energy of the Atomic absorption of element to be measured form excitation state, and outer-shell electron is to low energy
Level electronic shell transition, while launch secondary X-ray, i.e. x-ray fluorescence, to release energy, X- is detected by detector and penetrated
The intensity of line fluorescence, and then try to achieve the content of element to be measured.
X-ray fluorescence spectrometer in the prior art, x-ray source are generally arranged at bottom, face sample, now, used
It must be just obliquely installed in the camera of shooting sample, mistake necessarily occurs in the sample image for the camera shooting being obliquely installed
Very, such as trapezoidal distortion, lead to not the center for correctly identifying sample position to be detected, also can not be just adjusted to just to sample
True position provides correct image instruction.
The content of the invention
The technical problem to be solved in the present invention is：Sample drawing is shot to solve camera in X-ray fluorescence spectrometer
The technical problem of image distortion, there is provided a kind of camera shooting sample image is accurate and does not influence the XRF collimating components of original function.
The technical solution adopted for the present invention to solve the technical problems is：
The present invention provides a kind of XRF collimating components, including：
Motor；
Guide rail；
Block is collimated, is set on guide rail；
Speculum and at least one collimating aperture arranged vertically are provided with collimation block, collimation block can be in linear electric motors
Moved along the rail under driving.
Preferably, XRF collimating components of the invention, arbitrary value of the collimating aperture aperture between 0.1mm-5mm.
Preferably, XRF collimating components of the invention, collimating aperture be into one row arrangement several.
Preferably, XRF collimating components of the invention, collimating aperture be 7, aperture be respectively 0.1mm, 0.2mm, 0.5mm,
1mm、2mm、5mm、5mm。
Preferably, the distance between XRF collimating components, two neighboring collimating aperture of the invention are 6-12mm.
Preferably, XRF collimating components of the invention, are provided with optical filtering in addition to one of 5mm collimating aperture, in collimating aperture
Piece.
Preferably, XRF collimating components of the invention, motor are linear electric motors.
Preferably, XRF collimating components of the invention, guide rail side is additionally provided with positive stop and backstop, for limiting standard
The movement travel of straight block.
The beneficial effects of the invention are as follows：
The XRF collimating components of the present invention, by setting the collimating components with speculum, needing to observe by camera
During sample position, collimation block is in observation position by linear electric motors, sample can be now observed by camera, and shoot
Image is not deformed distortion, and product imaging and the adjustment of position are more accurate, after sample position adjustment terminates, then passes through straight line
Motor makes collimation block be in test position, and X ray now, which occurs, by x-ray source can be carried out X-ray detection, not influence X
The function of ray detection.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the detection storehouse of XRF collimating components and the three-dimensional view of sample stage for having the embodiment of the present invention；
Fig. 2 is the three-dimensional view in the detection storehouse of the XRF collimating components with the embodiment of the present invention；
Fig. 3 is the detection storehouse of XRF collimating components and the side view of sample stage for having the embodiment of the present invention；
Fig. 4 is the three-dimensional view of the XRF collimating components of the embodiment of the present invention；
Fig. 5 is the three-dimensional view of the collimation block of the embodiment of the present invention.
Reference in figure is：
40- detects storehouse；401- observation windows；41- sample stages；411- sample detections hole；42-X radiographic sources；43- cameras；
44- detectors；45- collimating components；451- collimates block；452- linear electric motors；453- positive stops；454- backstops；4511- reflects
Mirror；4512- collimating apertures.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment
The present embodiment provides a kind of XRF collimating components, as shown in figure 4, including：
Including linear electric motors 452, the guide rail 453 being arranged on the detection bottom of storehouse 40, the collimation block on guide rail 453 is set
451, collimate and be provided with speculum 4511 on block 451, some collimating apertures 4512 arranged vertically, the aperture of collimating aperture 4512 from
Arbitrary value between 0.1mm-5mm, can such as there are 0.1mm, 0.2mm, 0.5mm, 1mm, 2mm, 5mm, naturally it is also possible to more
Big or smaller, the distance between collimating aperture 4512 and collimating aperture 4512 are 6-12mm, such as 6mm, 8mm, 9mm, 12mm, accurate
The bottom of straight hole 4512 is provided with optical filter, there is two 5mm collimating aperture in figure, and one of them is not provided with optical filter, another
Optical filter is provided with, collimation block 451 can reach following location under the driving of linear electric motors 452：1st, camera 43 is collimated
Speculum 4511 on block 451 photographed the observation position of the sample on sample stage 41 through detection hole 411；2nd, any collimating aperture
4512 test position between x-ray source 42 and detection hole 411, the X ray that x-ray source 42 is sent can pass through collimating aperture
4512 are irradiated to the sample on sample stage 41.The detection bottom of storehouse 40, the side of guide rail 453 are additionally provided with positive stop 453 and rear gear
Block 454, for limiting the movement travel of collimation block 451.
Can also be that motor adds ball leading screw driving pair as deformation linear electric motors 452.
The XRF collimating components of the present embodiment are arranged in detection storehouse 40, and as illustrated in fig. 1 and 2, it is sample stage to detect on storehouse 40
41, detection hole 411 is provided among sample stage 41, detection hole 411 may be provided at a sample that can be dismantled and place on plate, with
The convenient replacing for placing plate；
The detection side of storehouse 40 is provided with observation window 401；
X-ray source 42, is arranged on the detection bottom of storehouse 40, and the X-ray emission pipe of x-ray source 42 is arranged in a vertical direction；
Detector 44, it is arranged on the detection opposite side of storehouse 40, the secondary x rays sent for detecting sample；
Camera 43, alignment lenses observation window 401, when camera 43 is positioned at observation position, speculum can be passed through
4511 observe positioned at sample on sample stage 41；Preferably horizontally disposed, now, speculum 4511 should be with the horizontal 45 ° of folders
Angle is set, but camera 43 can be set at a certain angle, and now, speculum 4511 also needs to be equal to angle of reflection according to incidence angle
Principle adjustment angle guarantees to photograph sample stage 41.
X-ray source 42 is arranged on the detection bottom of storehouse 40, the X ray that x-ray source 42 is launched in X-ray fluorescence spectrometer
It is irradiated to vertical angle on sample, improves accuracy of detection.Meanwhile by setting the collimating components with speculum 4511
45, when needing to observe sample position by camera 43, collimation block 451 is in observation position by linear electric motors 452, this
When sample can be observed by camera 43, and the image shot is not deformed distortion, and product imaging and the adjustment of position are more
Accurately, after sample position adjustment terminates, then by linear electric motors 452 collimation block 451 is in test position, now penetrated by X
Line source 42 occurs X ray and can be carried out X-ray detection, does not influence the function of X-ray detection.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (8)
- A kind of 1. XRF collimating components, it is characterised in that including：Motor；Guide rail (453)；Block (451) is collimated, is set on guide rail (453)；Speculum (4511) and at least one collimating aperture (4512) arranged vertically are provided with collimation block (451), collimates block (451) can be moved under the driving of linear electric motors (452) along guide rail (453).
- 2. XRF collimating components according to claim 1, it is characterised in that collimating aperture (4512) aperture be 0.1mm-5mm it Between arbitrary value.
- 3. XRF collimating components according to claim 2, it is characterised in that collimating aperture (4512) into one if to arrange arrangement Dry.
- 4. XRF collimating components according to claim 3, it is characterised in that collimating aperture (4512) is 7, and aperture is respectively 0.1mm、0.2mm、0.5mm、1mm、2mm、5mm、5mm。
- 5. the XRF collimating components according to claim 3 or 4, it is characterised in that between two neighboring collimating aperture (4512) Distance is 6-12mm.
- 6. XRF collimating components according to claim 4, it is characterised in that except one of 5mm collimating aperture (4512) Outside, it is provided with optical filter in collimating aperture (4512).
- 7. according to the XRF collimating components described in claim any one of 1-4, it is characterised in that motor is linear electric motors (452).
- 8. according to the XRF collimating components described in claim any one of 1-4, it is characterised in that guide rail (453) side is additionally provided with Positive stop (453) and backstop (454), for limiting the movement travel of collimation block (451).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514490.0A CN107389715A (en) | 2017-06-29 | 2017-06-29 | A kind of XRF collimating components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514490.0A CN107389715A (en) | 2017-06-29 | 2017-06-29 | A kind of XRF collimating components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107389715A true CN107389715A (en) | 2017-11-24 |
Family
ID=60333966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710514490.0A Pending CN107389715A (en) | 2017-06-29 | 2017-06-29 | A kind of XRF collimating components |
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| Country | Link |
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| CN (1) | CN107389715A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110405A (en) * | 1994-04-12 | 1995-10-18 | 中国科学院上海原子核研究所 | Microarea X-ray fluorescent golden ornaments analytical device |
| US6404846B1 (en) * | 1999-03-18 | 2002-06-11 | Seiko Instruments Inc. | Fluorescent x-ray method for determining x-ray alignment by luminescent changes |
| CN1489377A (en) * | 2003-08-13 | 2004-04-14 | ������������ҽ��ϵͳ�ɷ�����˾ | Series lens image system of electric-controlled fixing diaphragm for x-ray machine |
| CN201909767U (en) * | 2010-12-21 | 2011-07-27 | 纳优科技（北京）有限公司 | Energy dispersive X-ray fluorescence spectrometer for analyzing irregular samples directly |
| CN203824941U (en) * | 2014-04-21 | 2014-09-10 | 苏州三值精密仪器有限公司 | Double-guide-rail collimating mechanism |
-
2017
- 2017-06-29 CN CN201710514490.0A patent/CN107389715A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110405A (en) * | 1994-04-12 | 1995-10-18 | 中国科学院上海原子核研究所 | Microarea X-ray fluorescent golden ornaments analytical device |
| US6404846B1 (en) * | 1999-03-18 | 2002-06-11 | Seiko Instruments Inc. | Fluorescent x-ray method for determining x-ray alignment by luminescent changes |
| CN1489377A (en) * | 2003-08-13 | 2004-04-14 | ������������ҽ��ϵͳ�ɷ�����˾ | Series lens image system of electric-controlled fixing diaphragm for x-ray machine |
| CN201909767U (en) * | 2010-12-21 | 2011-07-27 | 纳优科技（北京）有限公司 | Energy dispersive X-ray fluorescence spectrometer for analyzing irregular samples directly |
| CN203824941U (en) * | 2014-04-21 | 2014-09-10 | 苏州三值精密仪器有限公司 | Double-guide-rail collimating mechanism |
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Application publication date: 20171124 |