CN205317700U - Novel archaeology division of history into periods X fluorescence analyser - Google Patents
Novel archaeology division of history into periods X fluorescence analyser Download PDFInfo
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- CN205317700U CN205317700U CN201520561081.2U CN201520561081U CN205317700U CN 205317700 U CN205317700 U CN 205317700U CN 201520561081 U CN201520561081 U CN 201520561081U CN 205317700 U CN205317700 U CN 205317700U
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Abstract
The utility model discloses a novel archaeology division of history into periods X fluorescence analyser, including excitation light source device, signal detection device, signal processing device, light filter collimater control system, sample test bracket, computer, digital control converter and vacuum system, still including the real empty room of super large that can be used for harmless test all size abnormal shape archaeology historical relic, the excitation light source device pass through the digital control converter with the computer link, be provided with in the signal detection device with the SDD electric refrigeration detector that the signal processing device is connected, the signal processing device with the computer link, the light filter collimater control system setting be in before the X ray generator, light filter collimater control system includes a plurality of optional light filters and collimater, light filter collimater control system connects a motor driver. The utility model relates to a rationally, simple structure, installation convenient operation, can can't harm test all size abnormal shape archaeology historical relic, the commonality is strong.
Description
Technical field
This utility model relates to technical field of analytical instruments, is related specifically to a kind of novel archaeology division of history into periods xrf analysis instrument.
Background technology
At present, the xrf analysis instrument used, it includes vacuum specimen chamber, excitation light source device, signal detecting device, signal processing apparatus, computer and sample measuring table; Wherein, the computer that excitation light source device and signal processing apparatus connect respectively, this excitation source is arranged close to the position of test sample device, and signal detecting device connects signal processing apparatus, and sample measuring table is for depositing sample. This xrf analysis instrument is owing to comparing specification to the sample requirement of test, and sample room design comparison is little, it is impossible to for testing various bigger, special-shaped sample, therefore cannot be used for the sample test of archaeology historical relic class.
But for the deficiencies in the prior art, developer be necessary to develop a kind of reasonable in design, simple in construction, installation easy to operate, can non-destructive testing all size abnormal shape archaeology historical relic, the novel archaeology division of history into periods xrf analysis instrument of highly versatile.
Utility model content
For solving prior art Problems existing, this utility model purpose provide a kind of reasonable in design, simple in construction, installation easy to operate, can non-destructive testing all size abnormal shape archaeology historical relic, the novel archaeology division of history into periods xrf analysis instrument of highly versatile.
For solving above technical problem, this utility model is realize by the following technical solutions:
A kind of novel archaeology division of history into periods xrf analysis instrument, including excitation light source device, signal detecting device, signal processing apparatus, optical filter collimator control system, sample test bracket, computer, digital control transducer and vacuum system;
Also include the super large vacuum chamber that can be used for non-destructive testing all size abnormal shape archaeology historical relic, described excitation light source device controls transducer by number and is connected with described computer, described excitation light source device is provided with x ray generator and high tension generator, described signal detecting device is provided with the SDD electricity refrigeration detector being connected with described signal processing apparatus, described signal processing apparatus is connected with described computer, described SDD electricity refrigeration detector is positioned on the position of best angle of reflection of described x ray generator excitation ray, before described optical filter collimator control system is arranged on described x ray generator, described optical filter collimator control system includes multiple optional optical filter and collimator, described optical filter collimator control system connects a motor driver.
In a preferred embodiment of the present utility model, described super large vacuum chamber includes vacuum sealed sample room and sample room door, described sample room door hinge is connected on described vacuum sealed sample room, it is provided with sample room illuminating lamp, sample test bracket and the first photographic head in described vacuum sealed sample chamber interior, described vacuum sealed sample room offers vacuum outlet, is provided with second camera in the bottom of described sample test bracket.
In a preferred embodiment of the present utility model, described sample room door is provided with sample observation lead glass and door handle.
In a preferred embodiment of the present utility model, described vacuum system includes electromagnetic valve, vacuum pump, pipeline, digital vacuum detector and control system, described pipeline is connected with the vacuum outlet offered on described vacuum sealed sample room, air in described vacuum chamber is extracted out by described vacuum pump by pipeline, described electromagnetic valve is arranged on the pipeline between vacuum pump and vacuum chamber, and described digital vacuum detector is arranged in described vacuum chamber.
In a preferred embodiment of the present utility model, described signal processing apparatus includes amplifier, digital to analog converter and single-chip microcomputer, and described amplifier is connected with digital to analog converter, and described digital to analog converter is connected with described single-chip microcomputer.
In a preferred embodiment of the present utility model, described computer is provided with USB interface, RS232 serial ports and ethernet interface, and described single-chip microcomputer is transferred to computer by USB interface the many track datas obtained.
In a preferred embodiment of the present utility model, being additionally provided with detector power supply inside described signal detecting device, described SDD electricity refrigeration detector is powered by detector power supply.
Compared with prior art, this utility model detector adopts the SDD electricity refrigeration detector of high-resolution, high count rate, substantially increases sensitivity and the detection limit of analytical element; It is additionally provided with super large vacuum chamber, full range of sizes, variously-shaped archaeology historical relic sample can be carried out Non-Destructive Testing, can by the content of the whole elements sodium (11Na) to uranium (92U) in analytical element periodic chart, intelligence software can go out its age of production according to the component content automatic decision of this historical relic.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is frame diagram of the present utility model.
Fig. 2 is the reflected line figure after x ray generator of the present utility model sends X ray.
Fig. 3 is the structural representation of super large vacuum chamber of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, this utility model is expanded on further.
With reference to shown in Fig. 1, the one novel archaeology division of history into periods xrf analysis instrument provided in figure, including excitation light source device 100, signal detecting device 200, signal processing apparatus 300, optical filter collimator control system 400, computer 700, digital control transducer 900 and vacuum system.
Excitation light source device 100 controls transducer 900 by number and is connected with computer 700, excitation light source device 100 is provided with x ray generator 110 and high tension generator 120, x ray generator 110 is connected with high tension generator 120, wherein, using the positive high voltage x ray generator 110 of high pressure 50KV as excitaton source, the X-ray tube of the bremstrahlen type low-power natural cooling high life that this x ray generator 110 adopts Be (beryllium) window thickness to be 75 microns, and need to select target according to practical application, as selective target is: Rh (rhodium target), Ag (silver target), W (tungsten target) etc.
Signal detecting device 200 is provided with the SDD electricity refrigeration detector 210 being connected with signal processing apparatus 300, detector power supply 220 it is additionally provided with inside signal detecting device 200, SDD electricity refrigeration detector 210 is powered by detector power supply 220, and SDD electricity refrigeration detector 210 is positioned on the position of the best angle of reflection of x ray generator 110 excitation ray.
SDD electricity refrigeration detector 210 selects the SDD electricity refrigeration detector 210 with high-resolution, high count rate of AMPTEK company of U.S. recent development development, it is necessary to (-40 DEG C) work at low temperatures, and low temperature needs to be provided by semiconductor refrigerating mode. SDD electricity refrigeration detector 210 cools down without liquid nitrogen, and Be (beryllium window) thickness is 7.5 microns, be resolution during 1000CPS to the X ray of 55Fe5.9keV at counting rate is 125eV. And light element Na, Mg, Al, Si, S etc. are had high sensitivity and resolution, makes general sample in 200 seconds, it is possible to obtain satisfied result.
Signal processing apparatus 300 includes the amplifier 310, digital to analog converter 320 and the single-chip microcomputer 330 that are connected with SDD electricity refrigeration detector 210, amplifier 310 is connected with digital to analog converter 320, digital to analog converter 320 is connected with single-chip microcomputer 330, it is provided with USB interface, RS232 serial ports and ethernet interface at computer 700, and single-chip microcomputer 330 is transferred to computer 700 by USB interface the many track datas obtained, reduce the complexity of data-interface link, reduce fault rate.
Before optical filter collimator control system is arranged on x ray generator, optical filter collimator control system includes optical filter and collimator, and optical filter is connected with collimator, and optical filter collimator control system is connected with motor driver.
Before x ray generator, add optical filter 410, for reducing the background of element to be measured, improve sensitivity and the detection limit of analytical element. This optical filter 410 adopts suitable optical filter, it is possible to improves the sensitivity for analysis of element-specific, makes analysis lower limit reach PPM level, is equipped with 5 optical filters to adapt to different analysis requirements in the present embodiment.
Collimator 420 it is also equipped with before x ray generator 110, collimator is equipped with the automated collimator of 8 different-diameters, can for the sample of different industries, select suitable collimator 420 and shooting condition, the adaptability making instrument is broader, from the initial X-ray of x ray generator 110 generation by directly exciting the sample sample test bracket 500 after optical filter 410 and collimator 420, the analysis result of the best more can be obtained by selective exitation condition.
Being connected to output device on computer 700, and output device includes display 800 and printer 600, display 800 is connected with the lead-out terminal of computer 700 respectively with printer 600.
Vacuum system includes electromagnetic valve 1300, vacuum pump 1400, pipeline 1700, digital vacuum detector (not shown) and control system, pipeline 1700 is connected with the vacuum outlet 1520 offered on vacuum sealed sample room 1560, air in vacuum chamber 1500 is extracted out by vacuum pump 1400 by pipeline 1700, electromagnetic valve 1300 is arranged on the pipeline 1700 between vacuum pump 1400 and vacuum chamber 1500, digital vacuum detector is arranged in vacuum chamber 1500, adopt the mode of vacuum system, capacity of resisting disturbance can be improved, reduce the extraneous interference to data communication.
X-ray tube adopts positive high voltage to excite, and excites and adopts computer digital to control and display with test condition. In excitation light source device, the voltage of high tension generator 120 and electric current adopt automatically digital control and display, X ray degree of stability: 0.3%/8 hour, voltage range: 0V to 50kV continuously adjustabe, current range: 0mA to 1mA continuously adjustabe.
With reference to shown in Fig. 2, excitation light source device 100 adopts the inversion right optical structural design of uniqueness, SDD electricity refrigeration detector 210 is on the position of the best angle of reflection of x ray generator 110 excitation ray, it is simple to SDD electricity refrigeration detector 210 accepts the ray of reflection.
With reference to shown in Fig. 3, super large vacuum chamber includes vacuum sealed sample room 1560 and sample room door 1530, vacuum sealed sample room 1560 is of a size of 600*620*550mm, sample room door 1530 is hinged on vacuum sealed sample room 1560, sample room illuminating lamp 1510 it is provided with inside vacuum sealed sample room 1560, sample test bracket 500 and the first photographic head 1000, sample room illuminating lamp 1510 is arranged on the top of vacuum sealed sample room 1560, for sample room illumination and shooting illumination, first photographic head 1000 is arranged on the left side wall of vacuum sealed sample room 1560, vacuum sealed sample room 1560 offers vacuum outlet 1520, it is provided with second camera 1100 in the bottom of sample test bracket 500.
Sample room door 1530 is provided with sample observation lead glass 1540 and door handle 1550, observe lead glass 1540 and be positioned at the centre of sample room door 1530, for observing sample placement location and radiation protection effect, the setting of door handle 1550 is easy to open or closes sample room door 1530.
During utility model works, place measuring samples on the test position of sample test bracket 500, x ray generator 110 sends X ray and excites testing sample 1600 after optical filter 410 and collimator 420, the electron outside nucleus (particularly K electron) made in testing sample 1600 in the atom of each element is stimulated and releases, and in situ produce a hole, now outer-shell electron (particularly L electrons) will fill this VOID POSITIONS, unnecessary energy is just released with the form of characteristic X-ray, these characteristic X-rays enter SDD electricity refrigeration detector 210 and produce pulse signal, amplification and pulse shaping through amplifier 310, send into analog-digital converter 320, analog-digital converter 320 converts analog signals into digital quantity, send into single-chip microcomputer 330, single-chip microcomputer 330 sends data to computer 700 by communication modes and processes.
By on-the-spot actual analysis result verification, this utility model can place the archaeology historical relic of various sizes and abnormity, realize it is carried out Non-Destructive Testing, analyze that speed is fast, easy to use, precision is high, advantage that to measure the time short, can in analytical element periodic chart by sodium (11Na) to uranium (92The content of the whole elements between U), intelligence software can according to the element component content of this historical relic, it is judged that its age of production, fullys meet intended purpose.
This utility model detector adopts the SDD electricity refrigeration detector of high-resolution, high count rate in sum, substantially increases sensitivity and the detection limit of analytical element; It is additionally provided with super large vacuum chamber, full range of sizes, variously-shaped archaeology historical relic sample can be carried out Non-Destructive Testing, can by the content of the whole elements sodium (11Na) to uranium (92U) in analytical element periodic chart, intelligence software can go out its age of production according to the component content automatic decision of this historical relic.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (7)
1. a novel archaeology division of history into periods xrf analysis instrument, including excitation light source device, signal detecting device, signal processing apparatus, optical filter collimator control system, sample test bracket, computer, digital control transducer and vacuum system;
It is characterized in that, also include the super large vacuum chamber that can be used for non-destructive testing all size abnormal shape archaeology historical relic, described excitation light source device controls transducer by number and is connected with described computer, described excitation light source device is provided with x ray generator and high tension generator, described signal detecting device is provided with the SDD electricity refrigeration detector being connected with described signal processing apparatus, described signal processing apparatus is connected with described computer, described SDD electricity refrigeration detector is positioned on the position of best angle of reflection of described x ray generator excitation ray, before described optical filter collimator control system is arranged on described x ray generator, described optical filter collimator control system includes multiple optional optical filter and collimator, described optical filter collimator control system connects a motor driver.
2. a kind of novel archaeology division of history into periods xrf analysis instrument as claimed in claim 1, it is characterized in that: described super large vacuum chamber includes vacuum sealed sample room and sample room door, described sample room door hinge is connected on described vacuum sealed sample room, it is provided with sample room illuminating lamp, sample test bracket and the first photographic head in described vacuum sealed sample chamber interior, described vacuum sealed sample room offers vacuum outlet, is provided with second camera in the bottom of described sample test bracket.
3. a kind of novel archaeology division of history into periods xrf analysis instrument as claimed in claim 2, it is characterised in that: on the door of described sample room, it is provided with sample observation lead glass and door handle.
4. a kind of novel archaeology division of history into periods xrf analysis instrument as claimed in claim 2, it is characterized in that: described vacuum system includes electromagnetic valve, vacuum pump, pipeline, digital vacuum detector and control system, described pipeline is connected with the vacuum outlet offered on described vacuum sealed sample room, air in described vacuum chamber is extracted out by described vacuum pump by pipeline, described electromagnetic valve is arranged on the pipeline between vacuum pump and vacuum chamber, and described digital vacuum detector is arranged in described vacuum chamber.
5. a kind of novel archaeology division of history into periods xrf analysis instrument as claimed in claim 1, it is characterized in that: described signal processing apparatus includes amplifier, digital to analog converter and single-chip microcomputer, described amplifier is connected with digital to analog converter, and described digital to analog converter is connected with described single-chip microcomputer.
6. a kind of novel archaeology division of history into periods xrf analysis instrument as claimed in claim 5, it is characterised in that: described computer is provided with USB interface, RS232 serial ports and ethernet interface, and described single-chip microcomputer is transferred to computer by USB interface the many track datas obtained.
7. a kind of novel archaeology division of history into periods xrf analysis instrument as claimed in claim 1, it is characterised in that: being additionally provided with detector power supply inside described signal detecting device, described SDD electricity refrigeration detector is powered by detector power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520561081.2U CN205317700U (en) | 2015-07-29 | 2015-07-29 | Novel archaeology division of history into periods X fluorescence analyser |
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| CN201520561081.2U CN205317700U (en) | 2015-07-29 | 2015-07-29 | Novel archaeology division of history into periods X fluorescence analyser |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956680A (en) * | 2018-05-31 | 2018-12-07 | 陈俊华 | A kind of integrated nondestructive inspection apparatus and method based on cloud platform |
| CN109239115A (en) * | 2018-08-31 | 2019-01-18 | 和辰（深圳）科技有限公司 | XRF detector |
| CN111624218A (en) * | 2020-06-30 | 2020-09-04 | 中国科学院南京地质古生物研究所 | Non-destructive method for analyzing distribution characteristics of chemical elements on surface of three-dimensional fossil and cultural relic |
-
2015
- 2015-07-29 CN CN201520561081.2U patent/CN205317700U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956680A (en) * | 2018-05-31 | 2018-12-07 | 陈俊华 | A kind of integrated nondestructive inspection apparatus and method based on cloud platform |
| CN108956680B (en) * | 2018-05-31 | 2020-09-01 | 陈俊华 | Integrated nondestructive detection device and method based on cloud platform |
| CN109239115A (en) * | 2018-08-31 | 2019-01-18 | 和辰（深圳）科技有限公司 | XRF detector |
| CN111624218A (en) * | 2020-06-30 | 2020-09-04 | 中国科学院南京地质古生物研究所 | Non-destructive method for analyzing distribution characteristics of chemical elements on surface of three-dimensional fossil and cultural relic |
| CN111624218B (en) * | 2020-06-30 | 2022-01-04 | 中国科学院南京地质古生物研究所 | Non-destructive method for analyzing distribution characteristics of chemical elements on surface of three-dimensional fossil and cultural relic |
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