CN105891246A - X-ray fluorescence detection device - Google Patents
X-ray fluorescence detection device Download PDFInfo
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- CN105891246A CN105891246A CN201610465363.1A CN201610465363A CN105891246A CN 105891246 A CN105891246 A CN 105891246A CN 201610465363 A CN201610465363 A CN 201610465363A CN 105891246 A CN105891246 A CN 105891246A
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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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- 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
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Abstract
The invention relates to an X-ray fluorescence detection device. The X-ray fluorescence detection device is characterized by comprising a support, an X-ray generation system, an X-ray receiving system, a translation rotating system and an information analysis and control system, wherein the X-ray generation system, the X-ray receiving system and the translation rotating system are arranged on the support, the X-ray receiving system is opposite to the X-ray generation system and is used for receiving X fluorescence light generated when a sample to be detected is irradiated by X rays emitted by the X-ray generation system, the translation rotating system comprises a translation mechanism and a rotating mechanism, the translation mechanism drives the X-ray receiving system and/or the X-ray generation system to translate horizontally, and the rotating mechanism drives the X-ray receiving system to rotate along an axis perpendicular to the horizontal direction. The X-ray fluorescence detection device is capable of testing various forms of samples and improving testing result accuracy greatly.
Description
Technical field
The present invention relates to detect device field, in particular to a kind of XRF detection device.
Background technology
The most perfect along with XRF technology, drives the development of Xray fluorescence spectrometer equipment.As a kind of quick, accurate, economic, lossless material element composition analysis method, be widely used in metallurgy, geology, building materials, ore deposit are surveyed, oil, chemical industry, electrically, biology, medical treatment, criminal investigation, archaeology, the numerous areas such as luxury goods qualification.Sample detection device is the vitals in Xray fluorescence spectrometer.Detection device of the prior art, its sample bin uses integral type fixed pan structured testing panel and fixing nonadjustable alignment system to detect, requires higher to testing sample apparent form, be only applicable to the testing sample of plane configuration.And for the testing sample of special non-planar, irregular base surface area to be checked is easily by horizontal plane oriented film compressive strain during test, even by specimen disc/plate pressure from center position, and it is difficult to detect the region fallen in, thus causes test result inaccurate.So being the test result accuracy requirement meeting various form sample, need the sample bin alignment system of existing Xray fluorescence spectrometer is improved, functional structure is proposed more reasonable, use more convenient, testing result more accurate sample bin X-ray receives system adjustable regulating device, realize alignment system scalable function, sample tested surface height can be improved by the horizontal displacement of regulation X-ray reception system and the anglec of rotation, and ensure that the X-ray intensity received is the highest, thus plane sample can not only be applicable to, also can be suitably used for the detection of non-planar sample, and reach precise positioning by information analysis system and control system, ensure the accuracy of testing result.
In view of this, the special proposition present invention.
Summary of the invention
The first object of the present invention is to provide a kind of XRF detection device, described XRF detection device can be suitably used for plane sample, also can be suitably used for the detection of non-planar sample and use information analysis and control system and control motor to realize precise positioning, it is ensured that the high accuracy of testing result.
In order to realize the above-mentioned purpose of the present invention, spy by the following technical solutions:
The present invention relates to a kind of XRF detection device, it is characterised in that described device includes support, the X-ray generation system that is arranged on support, X-ray receive system peace and move rotation system, and information analysis and control system, wherein,
Described X-ray receives system and is oppositely arranged with X-ray generation system, for receiving the X-fluorescence that testing sample produces after the x-ray bombardment that X-ray generation system sends；
Described translation rotation system, including translation mechanism and rotating mechanism, described translation mechanism drives described X-ray to receive system and/or described X-ray generation system translates in the horizontal direction；Described rotating mechanism drives X-ray to receive system and/or X-ray generation system and rotates along the axle being perpendicular to horizontal direction.
Preferably, described translation mechanism includes that arranging a pair slide rail on the bracket, the first group of slide block being arranged on described slide rail and translation controls motor；The two ends of described X-ray generation system are separately fixed on first group of slide block, and described translation controls motor and controls first group of slide block and then drive described X-ray generation system to translate along described slide rail.
Preferably, one end of described X-ray generation system is provided with the first rotation control motor.
Preferably, described rotating mechanism includes that X-ray receives the rotating mechanism of system, described X-ray receives the rotating mechanism of system and includes that the transverse axis being arranged on support and second rotates control motor, described second rotation control motor is fixed on one end of described transverse axis and rotates to control transverse axis, and described X-ray receives system and is arranged on transverse axis.
Preferably, described X-ray receives the rotating mechanism of system and includes that transverse axis and second rotates control motor, described second rotates control motor is fixed on one end of described transverse axis to control transverse axis rotation, described X-ray receives system and is arranged on transverse axis, being provided with second group of slide block on described slide rail, the two ends of described transverse axis are arranged on described second group of slide block.
Preferably, described X-ray generation system includes X-ray emission source, is arranged on the collimator above described X-ray emission source and collimator control motor, and described collimator controls motor and moves the surface to described X-ray emission source for controlling described collimator.
Preferably, described X-ray generation system also includes 1-5 optical filter, optical filter actuator and light source control motor, described optical filter is arranged on optical filter actuator side by side, and described light source control motor moves above described X-ray emission source for controlling described optical filter actuator.
Preferably, described optical filter actuator being provided with laser emitting source (2), described optical filter actuator can drive the mobile surface to described X-ray emission source of described laser emitting source (2).
Preferably, be provided with photosensitive sensor in described X-ray reception system, sensor controls motor and photosensitive sensor moving guide rail, and described sensor controls motor and is moved horizontally to the receiver hole position directly above of described X-ray reception system for controlling described photosensitive sensor along described photosensitive sensor moving guide rail.
Preferably, described information analysis is connected with described translation rotation system with control system, and controls to translate the operating of rotation system.
Compared with prior art, the invention have the benefit that
1) the XRF detection device that the present invention provides, drive X-ray to receive system by translation rotation system or X-ray generation system translates in the horizontal direction, or rotate along the axle being perpendicular to horizontal direction, when avoiding testing sample test, irregular base surface area to be checked is easily by horizontal plane oriented film compressive strain, even by specimen disc pressure from center position, and be difficult to the region fallen in be detected thus cause the inaccurate problem of test result, the test of various form sample can be met and drastically increase the accuracy of test result；
2) present invention uses laser emitting source (2), photosensitive sensor, information analysis and control system and control motor to realize precise positioning, it is ensured that the high accuracy of testing result；
3) functional structure of the present invention is more reasonable, it is more convenient to use, testing result is more accurate.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing of Fig. 1；
Fig. 3 is the principle schematic of the present invention.
Reference:
1-X ray generation system, 2-laser emitting source, 3-light source control motor, 4-slide block, 5-guide rail, 6-transverse axis, 7-sensor control motor, 8-sensor moving guide rail, 9-X ray receipt system, 10-photosensitive sensor, 11-support, 12-translation controls motor, 13-Spin Control motor, 14-optical filter actuator, 15-X ray emission source, 16-collimator, 17-collimator controls motor, 18-information receives and control system, 19-tested surface.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", be only used for describe purpose, and it is not intended that instruction or hint relative importance.Wherein, term " primary importance " is two different positions with " second position ".
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
One aspect of the present invention relates to a kind of XRF detection device, described device includes support (11), X-ray generation system (1), the X-ray that are arranged on support (11) receive system (9) peace and move rotation system, and information analysis and control system, wherein, described X-ray receives system (9) and is oppositely arranged with X-ray generation system (1), for receiving the X-fluorescence that testing sample produces after the x-ray bombardment that X-ray generation system (1) sends；
Described translation rotation system, including translation mechanism and rotating mechanism, described translation mechanism drives described X-ray to receive system (9) and/or described X-ray generation system (1) translates in the horizontal direction；Described rotating mechanism drives X-ray to receive system (9) and rotates along the axle being perpendicular to horizontal direction.
Assembly of the invention, owing to being provided with translation rotation system, described X-ray generation system (1) and/or described X-ray receive system (9) can realize the movement on horizontal level and axial rotation under it drives, it is so designed that so that assembly of the invention is not limited only to detect the product to be tested of the exterior appearance more plane configuration of rule, it is also possible in order to detect the product to be tested of special non-planar.In addition, information analysis in the present invention and control system can be not only used for collection and the analysis of information, it is also possible to react on translation rotation system, instruct it to operate, so that X-ray receives system (9) and is able to receive that the X-ray that signal is the strongest, thus improve the degree of accuracy of detection.
In a preferred embodiment of the present invention, described X-ray generation system (1) and described X-ray receive system (9) and are connected with the first translation rotation system and the second translation rotation system respectively, and it drives described X-ray to receive system (9) and described X-ray generation system (1) respectively and moves on horizontal level and can rotate along the axle being perpendicular to horizontal direction.
Further, described translation mechanism includes a pair slide rail being arranged on described support (11), first group of slide block being arranged on described slide rail and the translation being arranged on described first group of slide block control motor (12)；The two ends of described X-ray generation system (1) are separately fixed on first group of slide block, and described translation controls motor (12) and controls first group of slide block and then drive described X-ray generation system (1) to translate along described slide rail.
In the present invention, described X-ray receives system (9) and X-ray generation system (1) is oppositely arranged, described slide rail is arranged on described X-ray and receives system (9) and the both sides with X-ray generation system (1), the two ends of X-ray generation system (1) are separately fixed on first group of slide block, control motor (12) control X-ray generation system (1) by translation to translate up along slide rail in the side receiving system (9) closer or far from described X-ray, thus adjust optimal detection position, improve the accuracy of detection.
Further, one end of described X-ray generation system (1) is provided with the first rotation control motor.
In a preferred embodiment of the present invention, described first translation controls motor (12) and is arranged on first group of slide block, one end of described X-ray generation system (1) is fixed on the first rotation and controls on motor, and it is rotating along the axle being perpendicular to horizontal direction to rotate control driven by motor by first.
The present invention drives described X-ray generation system (1) to carry out horizontal displacement and/or the anglec of rotation by translation rotation system, to improve sample tested surface height, and ensure that the X-ray intensity received is the highest, thus plane sample can not only be applicable to, also can be suitably used for the detection of non-planar sample, it is ensured that the accuracy of testing result.
In a preferred embodiment of the present invention, it is provided with boss on described first slide block, riveting fixation kit it is provided with on described boss, described X-ray emission and described boss rivet and are fixed on described slide block, described slide block can control motor (12) energy supply by translation, drives X-ray emission along described slide rail sliding translation on horizontal level.
Described X-ray receives the slip that system (9) can realize on horizontal level by above design, and in a preferred embodiment, it can be with axial-rotation, and therefore its scope being suitable for is more extensive.
Rotation control motor can control X-ray generation system (1) and axially rotate.
Further, described rotating mechanism includes that X-ray receives the rotating mechanism of system (9), described X-ray receives the rotating mechanism of system (9) and includes that the transverse axis (6) being arranged on support (11) and second rotates control motor, described second rotation control motor is fixed on one end of described transverse axis (6) and rotates to control transverse axis (6), and described X-ray receives system (9) and is arranged on transverse axis (6).
In a preferred embodiment of the present invention, described rotating mechanism includes riveting fixation kit and being arranged on the riveting projection at transverse axis (6) two ends, described transverse axis (6) is connected with described riveting fixation kit, the described control motor that rotates is fixed on one section of transverse axis (6) and can provide the rotation of dynamic Control transverse axis (6), X-ray receives system (9) and is unremovably fixed on transverse axis (6), preferably, described X-ray receives system (9) with transverse axis (6) in unitary design.
In a preferred embodiment of the present invention, described rotating mechanism includes connecting and fixing assembly and being arranged on the clamping projection at transverse axis (6) two ends, the described assembly that connects and fixes is the boss with the buckling groove caved inward, described clamping projection is connected with described buckling groove and can axially rotate, one end of transverse axis (6) is connected with rotating control motor, the described control motor that rotates can provide the rotation of dynamic Control constant weight, x-ray system is unremovably fixed on transverse axis (6), preferably, described X-ray receives system (9) with transverse axis (6) in unitary design.
Described X-ray reception system (9) is fixed on transverse axis (6) and is above arranged oppositely with X-ray generation system (1), therefore the X-ray that X-ray generation system (1) penetrates can be received system (9) by X-ray exactly and receive, and X-ray reception system (9) can be passed through transverse axis (6) realization rotation and contribute to receiving the X-ray that signal is the strongest, thus improve mensuration degree of accuracy.
Further, described X-ray receives the rotating mechanism of system (9) and includes that transverse axis (6) and second rotates control motor, described second rotates control motor is fixed on one end of described transverse axis (6) to control transverse axis (6) rotation, described X-ray receives system (9) and is arranged on transverse axis (6), being provided with second group of slide block on described slide rail, the two ends of described transverse axis (6) are arranged on described second group of slide block.
In a preferred embodiment of the present invention, it is respectively equipped with boss on described second group of slide block, described boss is provided with the cylindric buckling groove that caves in, the two ends of described transverse axis (6) be provided with clamping protruding and with described boss clamping, one end of described transverse axis (6) is provided with Spin Control motor (13), described Spin Control motor (13) can control described transverse axis (6) and rotate, described slide block is provided with translation mobile motor, and described translation mobile motor can control described slide block and drive transverse axis (6) to translate along slide rail.
In a preferred embodiment of the present invention, it is respectively equipped with boss on described second group of slide block, described boss is provided with riveting groove, the two ends of described transverse axis (6) are provided with riveting assembly and rivet with described boss, one end of described transverse axis (6) is provided with Spin Control motor (13), described Spin Control motor (13) can control described transverse axis (6) and rotate, described slide block is provided with translation mobile motor, and described translation mobile motor can control described slide block and drive transverse axis (6) to translate along slide rail.
By above design, X-ray receives system (9) and therefore can position more accurately to obtain optimal detection degree of accuracy at axial-rotation and can translate along slide rail.
Further, described X-ray generation system (1) includes that X-ray emission source (15), the collimator (16) being arranged on described X-ray emission source (15) top and collimator (16) control motor, and described collimator (16) controls motor and is used for controlling the mobile surface to described X-ray emission source (15) of described collimator (16).
In a preferred embodiment of the present invention, described X-ray generation system (1) is provided with collimator (16) slide rail, and described collimator (16) can slide into the surface of X-ray emission source (15) along described slide rail.In detection application, information receive and control system (18) controls collimator (16) sliding motor and makes collimator (16) accurately move to the surface of X-ray emission source (15) along described collimator (16) slide rail.
In a preferred embodiment of the present invention, described collimator (16) being provided with 4 different holes, described hole the most accurately can be driven by collimator (16) and slide into the surface of X-ray emission source (15).
Further, described X-ray generation system (1) also includes 1-5 optical filter, optical filter actuator (14) and light source control motor (3), described optical filter is juxtaposed on optical filter actuator (14), and described light source control motor (3) is used for controlling described optical filter actuator (14) and moves in the top of described X-ray emission source (15).
In a preferred embodiment of the present invention, described optical filter actuator (14) is provided with 4 optical filters, and described optical filter is set up in parallel, and described X-ray generation system (1) is additionally provided with actuator slide rail.In detection application, received by information and control system (18) controls described light source control motor (3) and makes optical filter actuator (14) slide along actuator slide rail, a certain required optical filter arranged on slide rail can be made according to demand to slide into the surface of X-ray emission source (15).
Further, in an embodiment of the invention, described optical filter actuator (14) is provided with 1 optical filter；In yet another embodiment of the present invention, described optical filter actuator (14) is provided with 5 optical filters.
During use, optical filter actuator (14) drives required optical filter to slide into the surface of X-ray emission source (15), rear collimator (16) slides into X-ray emission source (15) and the surface of selected optical filter, the X-ray needed for X-ray emission source (15) injection along collimator (16) slide rail.
Further, being provided with laser emitting source (2) on described optical filter actuator (14), described optical filter actuator (14) can drive the mobile surface to described X-ray emission source (15) of described laser emitting source (2).
In application, information receives and control system (18) starts light source control motor (3) and drives optical filter actuator (14) to slide, described laser emitting source (2) is made to move to the surface of X-ray emission source (15), after being accurately positioned, start laser emitting source (2) and launch laser along fixed angle.
The purpose using laser emitting source (2) to launch laser is that being accurately positioned and find X-ray receives optimum level position and the angle of system (9).
Further, described X-ray receives and is provided with photosensitive sensor (10) in system (9), sensor controls motor (7) and photosensitive sensor (10) moving guide rail (8), and described sensor control motor (7) is used for controlling described photosensitive sensor (10) and is moved horizontally to the receiver hole position directly above of described X-ray reception system (9) along described photosensitive sensor (10) moving guide rail (8).
In application, information receives and control system (18) starts sensor and controls motor (7), makes photosensitive sensor (10) move to X-ray along sensor moving guide rail (8) and receives the receiver hole position directly above of system (9).Rear information receives and control system (18) starts translation and controls motor (12), translation controls motor (12) and drives X-ray reception system (9) to move in the horizontal direction along guide rail, until photosensitive sensor (10) receives laser signal, then run through holding wire and be transferred to information system and control system, make control system control translation control motor (12) immediately out of service, receive system (9) precise positioning in the horizontal direction owing to the ultrafast speed of photosignal transmission can realize X-ray.After X-ray receives system (9) precise positioning in the horizontal direction, start Spin Control motor (13), Spin Control motor (13) drives the X-ray on transverse axis (6) to receive system (9) rotation, constantly adjust laser pick-off angle, until photosensitive sensor (10) receives the strongest laser signal, then run through holding wire and be transferred to information system and control system, control system is made to control Spin Control motor (13) immediately out of service, owing to the ultrafast speed of photosignal transmission can realize the precise positioning of X-ray receiving angle.
By above design, it is possible to achieve X-ray receives completely being accurately positioned of system (9), it is ensured that X-ray emission can receive the X-ray of peak signal and thus improve accuracy of detection.
Further, described information analysis is connected with described translation rotation system with control system, and controls to translate the operating of rotation system.
It is an advantage of the current invention that, regulated by precise positioning, X-ray receives system (9) can receive the strongest X-ray, the detection data obtained are more accurate, and meet the detection demand for out-of-flatness tested surface recessed region by the regulation of laser assisted location, make it can not only be applicable to plane sample, also can be suitably used for the detection of non-planar sample, reached functional structure more rationally, use more convenient, testing result more accurate equipment improvement purpose.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an XRF detection device, it is characterised in that described device includes support, is arranged on
X-ray generation system on support, X-ray receive system peace and move rotation system, and information is divided
Analysis and control system, wherein,
Described X-ray receives system and is oppositely arranged with X-ray generation system, occurs through X-ray for receiving
The X-fluorescence that after the x-ray bombardment that system sends, testing sample produces；
Described translation rotation system, including translation mechanism and rotating mechanism, described translation mechanism drives described X
Ray receipt system and/or described X-ray generation system translate in the horizontal direction；Described rotating mechanism
Drive X-ray to receive system to rotate along the axle being perpendicular to horizontal direction.
Device the most according to claim 1, it is characterised in that described translation mechanism includes being arranged on
A pair slide rail on described support, the first group of slide block being arranged on described slide rail and translation control electricity
Machine；The two ends of described X-ray generation system are separately fixed on first group of slide block, and described translation controls
Motor controls first group of slide block and then drives described X-ray generation system to translate along described slide rail.
Device the most according to claim 2, it is characterised in that the one of described X-ray generation system
End is provided with the first rotation and controls motor.
Device the most according to claim 2, it is characterised in that described rotating mechanism includes X-ray
The rotating mechanism of reception system, described X-ray receives the rotating mechanism of system and includes being arranged on support
Transverse axis and second rotate control motor, described second rotate control motor is fixed on the one of described transverse axis
Holding to control transverse axis rotation, described X-ray receives system and is arranged on transverse axis.
Device the most according to claim 2, it is characterised in that described X-ray receives turning of system
Motivation structure includes that transverse axis and second rotates and controls motor, and described second rotates control motor is fixed on described
One end of transverse axis rotates to control transverse axis, and described X-ray receives system and is arranged on transverse axis, described cunning
Being provided with second group of slide block on rail, the two ends of described transverse axis are arranged on described second group of slide block.
Device the most according to claim 5, it is characterised in that described X-ray generation system includes
X-ray emission source, it is arranged on the collimator above described X-ray emission source and collimator and controls motor,
Described collimator controls motor and to described X-ray emission source just moves for controlling described collimator
Top.
Device the most according to claim 6, it is characterised in that described X-ray generation system is also wrapped
Including 1-5 optical filter, optical filter actuator and light source control motor, described optical filter is set side by side
Putting on optical filter actuator, described light source control motor is used for controlling described optical filter actuator in institute
The top stating X-ray emission source is moved.
Device the most according to claim 2, it is characterised in that arrange on described optical filter actuator
There are laser emitting source, described optical filter actuator that described laser emitting source can be driven to move to described X
The surface in ray emission source.
Device the most according to claim 7, it is characterised in that set in described X-ray reception system
Be equipped with photosensitive sensor, sensor controls motor and photosensitive sensor moving guide rail, described sensor control
Motor processed is used for controlling described photosensitive sensor and is moved horizontally to along described photosensitive sensor moving guide rail
Described X-ray receives the receiver hole position directly above of system.
Device the most according to claim 1, it is characterised in that described information analysis and control system
It is connected with described translation rotation system, and controls to translate the operating of rotation system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107272187A (en) * | 2017-06-28 | 2017-10-20 | 苏州浪声科学仪器有限公司 | A kind of collimator apparatus of switching light filter |
| CN111707693A (en) * | 2020-08-10 | 2020-09-25 | 江苏三深光谱感知技术研究院有限公司 | Rock core scanner based on X-ray fluorescence and working method thereof |
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