CN202018430U - X-ray fluorescence spectrometer - Google Patents
X-ray fluorescence spectrometer Download PDFInfo
- Publication number
- CN202018430U CN202018430U CN2011200703827U CN201120070382U CN202018430U CN 202018430 U CN202018430 U CN 202018430U CN 2011200703827 U CN2011200703827 U CN 2011200703827U CN 201120070382 U CN201120070382 U CN 201120070382U CN 202018430 U CN202018430 U CN 202018430U
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- fluorescence spectrometer
- lid
- cabinet
- vacuum
- xray fluorescence
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Abstract
The utility model discloses an X-ray fluorescence spectrometer, which comprises a case, a carrying platform, an X-ray generator and a detector. The carrying platform is used for bearing tested samples, the X-ray generator is used for transmitting X-rays to the tested samples, the detector is used for receiving the X-rays, the carrying platform, the X-ray generator and the detector are disposed in the case, a vacuum sample chamber is arranged corresponding to the tested samples, and the carrying platform is disposed in the vacuum sample chamber. By the aid of the vacuum sample chamber disposed corresponding to the tested samples, the tested samples are isolated from the external and is positioned in a vacuum environment, influence of nitrogen or other impurities in air can be completely avoided in a measurement procedure, measuring results are more accurate, and measuring accuracy is effectively guaranteed.
Description
Technical field
The utility model relates to the surveying instrument art, refers in particular to the high Xray fluorescence spectrometer of a kind of measuring accuracy.
Background technology
Use the x-ray bombardment sample, sample can be inspired the fluorescent X-ray of various wavelength, need press wavelength to the X ray that mixes or energy separates, and measures the intensity of the X ray of different wave length or energy respectively, to carry out qualitative and quantitative analysis.And the instrument that for this reason uses is exactly an Xray fluorescence spectrometer.
Existing Xray fluorescence spectrometer relatively simple for structure, it mainly includes cabinet and is installed on x ray generator on the cabinet, detector and article carrying platform, this article carrying platform is positioned at the top of x ray generator and detector, by sample is prevented terminating on the article carrying platform, the X ray directive sample that utilizes x ray generator to launch, the X ray directive detector that utilizes sample to launch, and receive the X ray that reflects by detector, this detector is at once to other treatment facility transmission signals, and analyze out by treatment facility and draw measured value, measured value is finished the measurement operation by output device (as display) output with this then.
Above-mentioned existing Xray fluorescence spectrometer structure, though can offer the effect that the user measures fast to sample, really has progressive, but when using, reality but finds still to have many deficiencies on himself structure and the usability, cause existing Xray fluorescence spectrometer in practical application, fail to reach best result of use and task performance, now its shortcoming be summarized as follows:
At first, because sample just is positioned on the article carrying platform simply, make sample be exposed in the air, cause in the process that sample is measured, be easy to be subjected to the influence of nitrogen in the air or other materials, make the net result of measuring occur error easily, the degree of accuracy of measurement can not effectively be guaranteed.Secondly, its radiating effect of existing Xray fluorescence spectrometer is relatively poor, and the same result who measures that makes is affected, and occurs deviation easily.
The utility model content
In view of this, the utility model is at the disappearance of prior art existence, its fundamental purpose provides a kind of Xray fluorescence spectrometer, and it can effectively solve existing Xray fluorescence spectrometer and influenced by air to make measurement result to occur error, problem that degree of accuracy is low easily.
For achieving the above object, the utility model adopts following technical scheme:
A kind of Xray fluorescence spectrometer, comprise cabinet, be used to carry sample article carrying platform, be used for towards the x ray generator of sample emission X ray and the detector that is used to receive X ray; This article carrying platform, x ray generator and detector all are arranged in the cabinet, are provided with vacuum specimen chamber at this sample, and it is indoor that this article carrying platform is arranged at vacuum sample.
As a kind of preferred version, further include vacuum pump and solenoid valve, this vacuum specimen chamber is provided with blow vent, and this blow vent is communicated with the air intake opening of this solenoid valve by pipeline, and the gas outlet of this solenoid valve is communicated with vacuum pump.
As a kind of preferred version, described solenoid valve is arranged at the inside of cabinet, and this vacuum pump is arranged at outside the cabinet.
As a kind of preferred version, described vacuum specimen chamber is surrounded by base and loam cake and forms, be positioned on the inner bottom surface of this base article carrying platform under the recessed containing cavity that is formed with, and outside base, be formed with two inclined-planes; Be folded with O-ring seal between this loam cake and the base.
As a kind of preferred version, described x ray generator and detector staggered form are installed on respectively on aforementioned two inclined-planes, and the transmitting terminal of this x ray generator and the equal enclosure-type of the receiving end of detector extend in the aforementioned containing cavity.
As a kind of preferred version, described cabinet includes main body and is covered in the lid of end opening on this main body, and the loam cake of aforementioned vacuum specimen chamber is fixed on the medial surface of this lid, and the sealing circle is fixed on the medial surface of this loam cake.
As a kind of preferred version, be provided with between described main body and the lid and be used to the driving cylinder body that makes the relative main body of lid open automatically or close.
As a kind of preferred version, an end of described driving cylinder body and this main body articulate, and the other end that drives cylinder body is extended with piston rod movably, and a side of the end of this piston rod and lid articulates, and the opposite side of this lid and this main body articulate.
As a kind of preferred version, described cabinet adopts alumina based material to make.
As a kind of preferred version, further include electric control box, this electric control box is fixed on the lateral surface of cabinet.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, and as shown from the above technical solution:
One, by being provided with vacuum specimen chamber at sample, utilize vacuum specimen chamber to make that sample is isolated extraneous and be in the vacuum environment, make in measuring process, avoid being subjected to the influence of nitrogen in the air or other impurity fully, measurement result is more accurate, has effectively guaranteed the degree of accuracy of measuring.
Two,, and cooperate and utilize vacuum pump and solenoid valve that the air in the vacuum specimen chamber is extracted out to form vacuum by being provided with air hole in vacuum specimen chamber, simple in structure, easy and simple to handle, help improving the efficient of measurement.
Three, by between the lid of cabinet and main body, being provided with the driving cylinder body, utilize driving cylinder body makes the relative main body of lid open automatically or close, and utilize loam cake to be fixed on the lid, make loam cake with lid with moved further relatively base open or close, simple in structure, the automaticity height has been removed from and manually cabinet opened or closed, and is easy to use.
Four, this cabinet utilizes aluminum material to have good heat dispersion by being made by alumina based material, makes heat dispersion of the present utility model improve greatly, more effectively reduces the appearance of measuring error, makes measurement result more accurate.
For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the assembling schematic perspective view of the preferred embodiment of the utility model;
Fig. 2 is the synoptic diagram under the preferred embodiment open mode of the utility model;
Fig. 3 is the inner structure synoptic diagram of main body among Fig. 2;
Fig. 4 is another angle synoptic diagram of Fig. 2;
Fig. 5 is the inner structure synoptic diagram of main body among Fig. 4;
Fig. 6 is the sectional view of the preferred embodiment of the utility model.
The accompanying drawing identifier declaration:
10, cabinet 11, main body
12, lid 13, driving cylinder body
131, piston rod 20, vacuum specimen chamber
21, base 22, loam cake
23, O-ring seal 201, containing cavity
202, inclined-plane 203, air hole
204, pipeline 30, article carrying platform
40, x ray generator 41, transmitting terminal
50, detector 51, end of probe
60, vacuum pump 70, solenoid valve
71, air intake opening 72, gas outlet
80, electric control box 90, sample.
Embodiment:
Please refer to Fig. 1 to shown in Figure 6, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes cabinet 10 and is arranged at vacuum specimen chamber 20, article carrying platform 30, x ray generator 40 and detector 50 in the cabinet 10.
Wherein, this cabinet 10 adopts alumina based material to make, has heat dispersion preferably, it includes main body 11 and lid 12, this lid 12 covers the upper end open of this main body 11, be provided with between lid 12 and the main body 11 and drive cylinder body 13, this driving cylinder body 13 is used to make lid 12 relative main bodys 11 to open automatically or close, the left and right sides at lid 12 is provided with driving cylinder body 13, this drives cylinder body 13 and drives cylinder body for vapour-pressure type, each end and main body 11 that drives cylinder body 13 articulates, the other end that drives cylinder body 13 is extended with piston rod 131 movably, the front side of the end of this piston rod 131 and lid 12 articulates, the rear side of this lid 12 and this main body 11 articulate, and when 13 effects of driving cylinder body were stretched out piston rod 131, these lid 12 relative main bodys 11 were opened automatically, when 13 effects of driving cylinder body made piston rod 131 withdrawals, these lid 12 relative main bodys 11 were closed automatically.
This vacuum specimen chamber 20 is to be provided with at sample, so that sample places the environment of a vacuum, prevents to be subjected to airborne nitrogen to influence the accuracy of measurement.This vacuum specimen chamber 20 is surrounded by base 21 and loam cake 22 and forms, the recessed containing cavity 201 that is formed with of the inner bottom surface of this base 21, and outside base 21, be formed with two inclined-planes 202, its this two inclined-planes, 202 relative X-shapes have angle.This loam cake 22 is used to cover the upper end open of base 21, this loam cake 22 is fixed on the medial surface of aforementioned lid 12, this loam cake 22 be synchronized with the movement with lid 12 and relatively base 21 close or open, when lid 12 relative main bodys 11 are opened, these loam cake 22 relative bases 21 are opened, when lid 12 relative main bodys 11 are closed, the also relative base 21 of this loam cake 22 closes, and be folded with O-ring seal 23 between this loam cake 22 and the base 21, so that this loam cake 22 forms the better seal structure when closing with base 21, sealing circle 23 is fixed on the medial surface of loam cake 22 and is synchronized with the movement with loam cake 22.And, be provided with vacuum pump 60 and solenoid valve 70 at this vacuum specimen chamber 20, the concrete structure of this vacuum pump 60 and solenoid valve 70 is existing mature technology, be not described in detail at this concrete structure vacuum pump 60 and solenoid valve 70, as shown in Figure 6, this vacuum pump 60 is arranged at outside the cabinet 10, this solenoid valve 70 is fixed in cabinet 10 inside, simultaneously, the rear wall of the base 21 of this vacuum specimen chamber 20 is provided with three air holes 203, the quantity of air hole 203 and the position of setting are not limit, and this air hole 203 is communicated with the air intake opening 71 of solenoid valve 70 by pipeline 204, and the gas outlet 72 of this solenoid valve 70 is communicated with vacuum pump 60.When loam cake 22 relative bases 21 close, mating reaction by vacuum pump 60 and solenoid valve 70 becomes vacuum specimen chamber 20 into vacuum, certainly the method that makes vacuum specimen chamber 20 become vacuum has a lot, is not limited to the mating reaction by vacuum pump 60 and solenoid valve 70.
This article carrying platform 30 is used to carry sample, and the concrete structure of article carrying platform 30 is not described in detail at this concrete structure to article carrying platform 30 for existing mature technology.This article carrying platform 30 is arranged on the inner bottom surface of base 21 of aforementioned vacuum specimen chamber 20, and article carrying platform 30 be positioned at aforementioned containing cavity 201 directly over.
The concrete structure of this x ray generator 40 and detector 50 is existing mature technology, be not described in detail at this concrete structure x ray generator 40 and detector 50, this x ray generator 40 is used for towards sample emission X ray, this detector 50 is used to receive the X ray that reflects from sample, draws measurement structure through calculation process then.As shown in Figure 6, this x ray generator 40 and detector 50 staggered form ground are mounted on respectively on two inclined-planes 202 of aforementioned base 21, the transmitting terminal 41 of this x ray generator 40 and the end of probe of detector 50 51 equal enclosure-types extend in the containing cavity 201 of vacuum specimen chamber 20, aforementioned article carrying platform 30 be positioned at this transmitting terminal 41 and end of probe 51 directly over, when x ray generator 40 after sample is launched X ray, through sample reflection directive detector 50, receive X ray through detector 50 then, and to other device transmission signals, the analyzing and processing through software draws measured value at last.
And, further include electric control box 80, this electric control box 80 is fixed on the lateral surface of cabinet 10, aforementioned driving cylinder body 13, x ray generator 40, detector 50, vacuum pump 60 and solenoid valve 70 are by these electric control box 80 controls, this electric controller 80 possesses outstanding man-machine dialog interface, easy to learn, easy to use.
The using method that present embodiment is described in detail in detail is as follows:
The utility model can be applicable to that the electrodeposited coating side is thick, metal ingredient analysis and RoHS(heavy metal and harmful element) analyze, at copper, iron, zinc, stainless steel etc. arbitrarily matrix do the composition analysis, analysis result that simultaneously can 25 kinds of elements of reality.
During use, at first by driving cylinder body 13 effects piston rod 131 is stretched out, thereby lid 12 relative main bodys 11 are opened, this loam cake 22 moves with lid 12 and vacuum specimen chamber 20 is opened.Then, sample 90 is positioned on the article carrying platform 30 in the vacuum specimen chamber 20, as shown in Figure 6, this sample 90 be positioned at x ray generator 40 and detector 50 directly over.Then, make piston rod 131 withdrawals by driving cylinder body 13 effects, thereby make lid 12 relative main bodys 11 close, this loam cake 22 moves with lid 12 and vacuum specimen chamber 20 is closed, and sealing circle 23 is clamped between loam cake 22 and the base 21 and makes vacuum specimen chamber 20 form sealing.Then,, cooperate and utilize vacuum pump 60 and solenoid valve 70 that the air in the vacuum specimen chamber 20 is extracted out, make vacuum specimen chamber 20 form vacuum by electric control box 80 control vacuum pumps 60 and solenoid valve 70 work.Then, make x ray generator 40 and detector 50 work, the X ray directive sample of launching by x ray generator 40 90, X ray is through sample 90 reflection directive detectors 50 then, and receive X ray by detector 50, follow process detector 50 to other device transmission signals, and draw measured value, export by output device (as display) at last through the analyzing and processing of software.
Design focal point of the present utility model is: at first, by being provided with vacuum specimen chamber at sample, utilize vacuum specimen chamber to make that sample is isolated extraneous and be in the vacuum environment, make in measuring process, avoid being subjected to the influence of nitrogen in the air or other impurity fully, measurement result is more accurate, has effectively guaranteed the degree of accuracy of measuring.Secondly, by being provided with air hole, and cooperating and utilize vacuum pump and solenoid valve that the air in the vacuum specimen chamber is extracted out to form vacuum in vacuum specimen chamber, simple in structure, easy and simple to handle, help improving the efficient of measurement.Moreover, by between the lid of cabinet and main body, being provided with the driving cylinder body, utilize driving cylinder body makes the relative main body of lid open automatically or close, and utilize loam cake to be fixed on the lid, make loam cake with lid with moved further relatively base open or close, simple in structure, the automaticity height, removed from and manually cabinet has been opened or closed, easy to use.At last, this cabinet utilizes aluminum material to have good heat dispersion by being made by alumina based material, makes heat dispersion of the present utility model improve greatly, more effectively reduces the appearance of measuring error, makes measurement result more accurate.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. Xray fluorescence spectrometer, comprise cabinet, be used to carry sample article carrying platform, be used for towards the x ray generator of sample emission X ray and the detector that is used to receive X ray; This article carrying platform, x ray generator and detector all are arranged in the cabinet, it is characterized in that: be provided with vacuum specimen chamber at this sample, it is indoor that this article carrying platform is arranged at vacuum sample.
2. Xray fluorescence spectrometer according to claim 1, it is characterized in that: further include vacuum pump and solenoid valve, this vacuum specimen chamber is provided with blow vent, and this blow vent is communicated with the air intake opening of this solenoid valve by pipeline, and the gas outlet of this solenoid valve is communicated with vacuum pump.
3. Xray fluorescence spectrometer according to claim 2 is characterized in that: described solenoid valve is arranged at the inside of cabinet, and this vacuum pump is arranged at outside the cabinet.
4. Xray fluorescence spectrometer according to claim 1, it is characterized in that: described vacuum specimen chamber is surrounded by base and loam cake and forms, be positioned on the inner bottom surface of this base article carrying platform under the recessed containing cavity that is formed with, and outside base, be formed with two inclined-planes; Be folded with O-ring seal between this loam cake and the base.
5. Xray fluorescence spectrometer according to claim 4, it is characterized in that: described x ray generator and detector staggered form are installed on respectively on aforementioned two inclined-planes, and the transmitting terminal of this x ray generator and the equal enclosure-type of the receiving end of detector extend in the aforementioned containing cavity.
6. Xray fluorescence spectrometer according to claim 4, it is characterized in that: described cabinet includes main body and is covered in the lid of end opening on this main body, the loam cake of aforementioned vacuum specimen chamber is fixed on the medial surface of this lid, and the sealing circle is fixed on the medial surface of this loam cake.
7. Xray fluorescence spectrometer according to claim 6 is characterized in that: be provided with between described main body and the lid and be used to the driving cylinder body that makes the relative main body of lid open automatically or close.
8. Xray fluorescence spectrometer according to claim 7, it is characterized in that: an end of described driving cylinder body and this main body articulate, the other end that drives cylinder body is extended with piston rod movably, and a side of the end of this piston rod and lid articulates, and the opposite side of this lid and this main body articulate.
9. Xray fluorescence spectrometer according to claim 1 is characterized in that: described cabinet adopts alumina based material to make.
10. Xray fluorescence spectrometer according to claim 1 is characterized in that: further include electric control box, this electric control box is fixed on the lateral surface of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200703827U CN202018430U (en) | 2011-03-17 | 2011-03-17 | X-ray fluorescence spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200703827U CN202018430U (en) | 2011-03-17 | 2011-03-17 | X-ray fluorescence spectrometer |
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| CN202018430U true CN202018430U (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200703827U Expired - Fee Related CN202018430U (en) | 2011-03-17 | 2011-03-17 | X-ray fluorescence spectrometer |
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| CN (1) | CN202018430U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094381A1 (en) * | 2012-12-20 | 2014-06-26 | 北京农业信息技术研究中心 | Method and system for quickly measuring nitrogen distribution on soil surface |
| CN104007133A (en) * | 2014-06-13 | 2014-08-27 | 苏州科德溯源仪器有限公司 | X-ray fluorescence spectrograph |
| CN104198508A (en) * | 2014-09-30 | 2014-12-10 | 江苏天瑞仪器股份有限公司 | Food heavy metal detection instrument with light filter switching function |
| CN106404170A (en) * | 2016-08-26 | 2017-02-15 | 江苏天瑞仪器股份有限公司 | Vacuum chamber cover plate device for spectrometer |
| CN106646585A (en) * | 2017-01-24 | 2017-05-10 | 中国工程物理研究院激光聚变研究中心 | Quasi-monoenergetic X-ray calibration platform |
| CN107014845A (en) * | 2017-04-28 | 2017-08-04 | 广西壮族自治区梧州食品药品检验所 | A kind of x-ray fluorescence analysis is discerned the false from the genuine the method for calamine |
| CN108982364A (en) * | 2018-09-12 | 2018-12-11 | 钢研纳克检测技术股份有限公司 | A kind of multifunctional sample room for spectrum analysis |
| CN109239115A (en) * | 2018-08-31 | 2019-01-18 | 和辰（深圳）科技有限公司 | XRF detector |
| CN111650230A (en) * | 2020-04-24 | 2020-09-11 | 中国石油天然气集团有限公司 | Vacuum sealing device for sample element measurement |
| CN112362632A (en) * | 2020-12-07 | 2021-02-12 | 苏州础润环境修复科技有限公司 | Limiting structure of soil fluorescence spectrometer |
-
2011
- 2011-03-17 CN CN2011200703827U patent/CN202018430U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094381A1 (en) * | 2012-12-20 | 2014-06-26 | 北京农业信息技术研究中心 | Method and system for quickly measuring nitrogen distribution on soil surface |
| CN104007133A (en) * | 2014-06-13 | 2014-08-27 | 苏州科德溯源仪器有限公司 | X-ray fluorescence spectrograph |
| CN104198508A (en) * | 2014-09-30 | 2014-12-10 | 江苏天瑞仪器股份有限公司 | Food heavy metal detection instrument with light filter switching function |
| CN106404170B (en) * | 2016-08-26 | 2018-10-09 | 江苏天瑞仪器股份有限公司 | One kind being used for spectrometer vacuum chamber cover board arrangement |
| CN106404170A (en) * | 2016-08-26 | 2017-02-15 | 江苏天瑞仪器股份有限公司 | Vacuum chamber cover plate device for spectrometer |
| CN106646585A (en) * | 2017-01-24 | 2017-05-10 | 中国工程物理研究院激光聚变研究中心 | Quasi-monoenergetic X-ray calibration platform |
| CN106646585B (en) * | 2017-01-24 | 2023-12-22 | 中国工程物理研究院激光聚变研究中心 | Quasi-monoenergetic X-ray calibration platform |
| CN107014845A (en) * | 2017-04-28 | 2017-08-04 | 广西壮族自治区梧州食品药品检验所 | A kind of x-ray fluorescence analysis is discerned the false from the genuine the method for calamine |
| CN109239115A (en) * | 2018-08-31 | 2019-01-18 | 和辰（深圳）科技有限公司 | XRF detector |
| CN108982364A (en) * | 2018-09-12 | 2018-12-11 | 钢研纳克检测技术股份有限公司 | A kind of multifunctional sample room for spectrum analysis |
| CN111650230A (en) * | 2020-04-24 | 2020-09-11 | 中国石油天然气集团有限公司 | Vacuum sealing device for sample element measurement |
| CN111650230B (en) * | 2020-04-24 | 2023-10-27 | 中国石油天然气集团有限公司 | Vacuum sealing device for measuring sample elements |
| CN112362632A (en) * | 2020-12-07 | 2021-02-12 | 苏州础润环境修复科技有限公司 | Limiting structure of soil fluorescence spectrometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20140317 |