CN202533394U - Multi-detector multi-light pipe X-ray fluorescence spectrometer - Google Patents
Multi-detector multi-light pipe X-ray fluorescence spectrometer Download PDFInfo
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- CN202533394U CN202533394U CN2012200745010U CN201220074501U CN202533394U CN 202533394 U CN202533394 U CN 202533394U CN 2012200745010 U CN2012200745010 U CN 2012200745010U CN 201220074501 U CN201220074501 U CN 201220074501U CN 202533394 U CN202533394 U CN 202533394U
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Abstract
The utility model relates to a multi-detector multi-light pipe X-ray fluorescence spectrometer, which comprises a housing component, a sample chamber component, a plurality of X-light pipe components, a plurality of detector components and an optical filter system component, wherein the sample chamber component is assembled inside the housing component and comprises a chamber body with an upward opening and a chamber door for sealing the chamber body; an accommodating space is formed inside the chamber body; each X-light pipe component comprises an X-light pipe, and the emission port of each X-light pipe faces the accommodating space of the chamber body; and each detector component comprises a detector, and the detection head of each detector faces the accommodating of the chamber body. The multi-detector multi-light pipe X-ray fluorescence spectrometer can perform all-directional measurement and analysis of items in a large space with short measurement time and high accuracy, and is particularly suitable for the detection in the fields of security check, on-line quality monitoring and the like.
Description
Technical field:
The utility model belongs to field of analytic instrument, relates to a kind of new-type Xray fluorescence spectrometer, is specifically related to the Xray fluorescence spectrometer that bulk sample detects that is directed against of multidetector and many light pipes design.
Background technology:
The X-ray fluorescence spectra analytical approach is as one of indispensable method of material composition analysis; The important analysis means that have been widely used in fields such as geology, metallurgy, building materials, petrochemical complex, semi-conductor industry, medical and health, environmental protection also are a kind of quick, the accurate and economic multielement analysis methods that material science, life science, environmental science etc. generally adopt.Along with improving constantly of technical merit, Xray fluorescence spectrometer develops to directions such as robotization, intellectuality, specializations.
Existing Xray fluorescence spectrometer; Usually design a sample stage; Sample to be checked placed on the platform detect; Can only detect to the less sample of volume such as electronic component, soil, sample ore, micro metal sample etc., be difficult to be applied to the determination and analysis of low content element in the bigger and baroque article of volume, for example parcel, luggage etc.
The utility model content:
To the problems referred to above, the fundamental purpose of the utility model is to provide the Xray fluorescence spectrometer of a kind of multidetector and many light pipes, can be to volume in the bigger and baroque article some element-specific carry out qualitative and quantitative analysis.
For achieving the above object, a kind of multidetector that the utility model provided and the Xray fluorescence spectrometer of many light pipes comprise casing assembly, sample bin assembly, X-ray pipe assembly, detector assembly and filter system assembly, wherein:
Said sample bin assembly is assembled in the casing assembly, comprises the warehouse and the door that is used to seal warehouse of upward opening, and accommodation space is arranged in the warehouse;
Said X-ray pipe assembly is established a plurality of, comprises the X-ray pipe, and the exit portal of X-ray pipe is towards the accommodation space of warehouse;
Said detector assembly is established a plurality of, comprises detector, and the detecting head of detector is towards the accommodation space of warehouse.
The Xray fluorescence spectrometer of said multidetector and many light pipes, X-ray pipe assembly is established two, is installed in warehouse two relative side contraposition irradiation.
A plurality of detector assemblies distribute and are positioned at the other side of warehouse.Detector assembly is 2～20, is uniformly distributed with to be positioned at said warehouse side or to concentrate to be clouded in said warehouse side zone line.
Casing assembly comprises shell and internal fixation frame, establishes battery compartment, data transmission hole, relay indicating light and fan on the shell.
The sample bin assembly also comprises an optoelectronic switch, and optoelectronic switch is installed in the top of warehouse two side.
X-ray pipe assembly also comprises high-voltage power supply, fan and light pipe fixed mount.
Detector assembly also comprises protective cover, detector fixed mount, is used to protect the detector protective sleeve and the line outlet of detector probe.
The filter system assembly comprises Guang Lan, optical filter and secondary optical filter, and light hurdle and detector protective sleeve are fixed, and the secondary optical filter places the detecting head front end of detector, and an optical filter places the exit portal front end of X-ray pipe.
High-voltage power supply, accumulator, X-ray pipe, detector, fan, optoelectronic switch, relay indicating light are electrically connected, and the data line of drawing from each detector line outlet collects in the data transmission hole to be carried in external computer.
Adopt technique scheme, the design of sample bin can be used to hold bulk sample, and assembly is installed many light pipes and multidetector and can be opposite to and carry out omnibearing determination and analysis than the article in the large space.Use the utility model, Measuring Time is short, and accuracy is high; Empirical tests; This Xray fluorescence spectrometer, to the small size parcel, is put in optimum position (detector probe is over against the position) and can detects and include the above explosive of 15g in 0.5% the rate of failing to report of large scale row bag 100g or above explosive.The utility model is to the detection particularly suitable in fields such as safety check, online quality monitoring.
Description of drawings
Fig. 1 is the utility model surface structure synoptic diagram
Fig. 2 is inner each the arrangement of components figure (not containing shell and door) of the utility model
Fig. 3 illustrates optical filter installation site in the utility model
Fig. 4 shows detector assembly and filter system assembly assumption diagram in the utility model
Embodiment
For structure, characteristics and the effect that specifies the utility model, existing following preferred embodiment of act and conjunction with figs. explanation are as follows.
As depicted in figs. 1 and 2, the Xray fluorescence spectrometer of multidetector that the utility model provides and the design of many light pipes comprises casing assembly 10, sample bin assembly 20, X-ray pipe assembly 30 and detector assembly 40 and filter system assembly 51-53 (referring to Fig. 3 and Fig. 4).
As shown in Figure 1, casing assembly 10 comprises the fixed mount (not shown) that is the shell of case shape and is placed in one, and shell is provided with battery compartment 11, data transmission hole 12, relay indicating light 13 and fan 14; But equipment external power supply work or place accumulators at battery compartment 11 in case of necessity power supply is provided, the transmission that carry out between detection data and the external computer in data transmission hole 12, fan 14 heat radiations, whether relay indicating light 13 prompting instruments work.Fixed mount and shell in the shell are fixed, and are used to install and fix other assembly.
As depicted in figs. 1 and 2; Sample bin assembly 20 comprises warehouse 21, door 22 and optoelectronic switch 23, warehouse 21 upper sheds; Have an accommodation space and be used to place article to be detected; Door 22 is installed in the upper shed position of warehouse 21, can implement the keying to warehouse 21 through slide rail, and optoelectronic switch 23 is installed in the top of warehouse 21 two sides.After article are put in warehouse 21, close door 22, whether touching optoelectronic switch 23 detects door and closes, and door 22 has special protection, can prevent effectively that ray from leaking.
As shown in Figure 2, X-ray pipe assembly 30 comprises X-ray pipe 31, high-voltage power supply 32, fan 33 and light pipe fixed mount 34.X-ray pipe 31 provides radiographic source, and high-voltage power supply 32 provides electric power output, and fan 33 dispels the heat.Comprise at least two X-ray pipe assemblies in the utility model, two X-ray pipes 31 are installed in accommodation space and the contraposition irradiation towards warehouse 21 of warehouse 1 both sides and X-ray exit end; When using plural X-ray pipe assembly, can be according to measuring object to the requirement of light path to carrying out the multiaspect irradiation in the warehouse 21.Use a plurality of X-ray pipes to be used to strengthen the source class transmitted intensity in the sample bin.
To shown in Figure 4, detector assembly 40 comprises detector 41 like Fig. 2, protective cover 42, detector fixed mount 43, detector protective sleeve 44 and line outlet 45.Detector 41 is main sniffer; Use existing detector, its front end has a columned detecting head, and protective cover 42 is located at detector 41 external applications and is leaked to prevent ray; Detector fixed mount 43 is in order to fixed detector 41; And allow detector 41 to adjust the position within the specific limits, the detecting head that detector protective sleeve 44 is located at detector does not receive external interference and prevents collision with the protection detector probe outward, and line outlet 45 is used to pass power lead and data line etc.Comprise a plurality of (can be 2,3,4 or more a plurality of, present embodiment Fig. 2 be shown as 8) detector assembly among the present invention, detector assembly quantity is relevant with the sample bin size; More multidetector assembly meeting enhancing detection sensitivity, therefore the present invention does not do qualification to its quantity upper limit, but too much detector assembly may be uneconomical; Therefore detector assembly is recommended to use 2～20; These detector assemblies are installed in the two sides that warehouse 1 is not established the X-ray pipe, can be uniformly distributed with, and also can lay comparatively thick and fast at the sample bin medium position; Or arrange according to the physical dimension of measured article and shape; The detecting head of all detectors makes full use of the optimal detection zone of detector towards the accommodation space of warehouse 1, can survey All Ranges in the sample bin simultaneously.
Like Fig. 3 and shown in Figure 4, the filter system assembly comprises 51, optical filters in light hurdle 52 and secondary optical filter 53.Light hurdle 51 is fixing with detector protective sleeve 44, effectively removes scattering background, and the detecting head front end of detector 41 is placed secondary optical filter 53, and the quantity of light hurdle 51 and secondary optical filter 53 equates with the quantity of detector assembly 40; An optical filter 52 is placed on the exit portal front end (referring to Fig. 3) of X-ray pipe 31, and the quantity of an optical filter 52 equates with the quantity of X-ray pipe assembly 30.
Sample bin assembly, X-ray pipe assembly, detector assembly and filter system assembly are fixed in the casing assembly by above-mentioned introduction assembling back (referring to Fig. 2) again, then form the Xray fluorescence spectrometer (referring to Fig. 1) of the utility model multidetector and many light pipes design.In this instrument, electrical parts such as high-voltage power supply, accumulator, X-ray pipe, detector, fan, optoelectronic switch, relay indicating light all connect in a usual manner, and the data line of drawing from each detector line outlet collects in the data transmission hole to be carried in external computer.
Can know that by above-mentioned explanation the utility model carries out the composite module design with the member of complicacy, can be easy for installation and maintenance.In addition, the respective design of sample bin assembly 20 and a plurality of X-ray pipe assembly 30, a plurality of detector assembly 40 makes the utility model instrument can be used for the detection of bulk sample.
During work, testing sample is positioned in the warehouse 21 of sample bin assembly 20, closes door 22; Door 22 touching optoelectronic switches 23, information feedback are to the X-ray pipe 31 of X-ray pipe assembly 30, and high-voltage power supply 32 risers stream pipe is pressed; X-ray pipe 31 is emitted ray, and relay indicating light 13 lights.Ray gets into the detector 41 of detector assemblies 40 through optical filter 52, testing sample (parcel, luggage etc.), secondary optical filter 53, and result of detection is transferred to external computer through data transmission hole 12 and carries out analysis and judgement.
Detect instance: the Xray fluorescence spectrometer that adopts above-mentioned design; Sample bin in this instance is of a size of 400mm * 240mm * 280mm, and can extend to 600mm * 550mm * 400mm according to actual conditions, and X-ray pipe assembly has 2; Detector assembly has 8, and instrument is furnished with external computer.
Whether this instance is to existing explosive to detect in the row bag.Row bag to be checked is put into sample bin; Door closes; On the computer operation interface, click " beginning to measure " button, measure behind the 10s and finish, show measurement result on the computer screen; Comprise appropriate image literal or sound (be divided into " safety ", " alarm " reaches classifications such as " resurveying ") prompting, also can show detection by quantitative numerical value.
The large scale row bag of built-in 100g of this routine instrument detecting or above explosive, rate of failing to report is in 0.5%; To small size parcel, be put in optimum position (detector probe is over against the position) and can detect and include the above explosive of 15g.
Above data can find out that this instrument has good effect for explosive detection, can be used for explosion-proof safety check field.
In addition, the utility model instrument also can be used for the online quality monitoring of industries such as iron and steel.Simultaneously the multiple spot content (for example Pb, Cr element) that detects in certain article (for example steel plate) certain or several kinds of elements judges whether product is qualified.
Claims (10)
1. the Xray fluorescence spectrometer of a multidetector and many light pipes comprises casing assembly, sample bin assembly, X-ray pipe assembly, detector assembly and filter system assembly, it is characterized in that:
Said sample bin assembly is assembled in the casing assembly, comprises the warehouse and the door that is used to seal warehouse of upward opening, and accommodation space is arranged in the warehouse;
Said X-ray pipe assembly is established a plurality of, comprises the X-ray pipe, and the exit portal of X-ray pipe is towards the accommodation space of warehouse;
Said detector assembly is established a plurality of, comprises detector, and the detecting head of detector is towards the accommodation space of warehouse.
2. according to the Xray fluorescence spectrometer of the said multidetector of claim 1 and many light pipes, it is characterized in that: said X-ray pipe assembly is established two, is installed in warehouse two relative side contraposition irradiation.
3. according to the Xray fluorescence spectrometer of the said multidetector of claim 2 and many light pipes, it is characterized in that: said a plurality of detector assemblies distribute and are positioned at the other side of warehouse.
4. according to the Xray fluorescence spectrometer of the said multidetector of claim 3 and many light pipes, it is characterized in that: said detector assembly is 2～20, is uniformly distributed with to be positioned at said warehouse side or to concentrate to be clouded in said warehouse side zone line.
5. according to the Xray fluorescence spectrometer of the arbitrary said multidetector of claim 1 to 4 and many light pipes, it is characterized in that: said casing assembly comprises shell and internal fixation frame, establishes battery compartment, data transmission hole, relay indicating light and fan on the shell.
6. according to the Xray fluorescence spectrometer of the said multidetector of claim 5 and many light pipes, it is characterized in that: said sample bin assembly also comprises an optoelectronic switch, and optoelectronic switch is installed in the top of warehouse two side.
7. according to the Xray fluorescence spectrometer of the said multidetector of claim 6 and many light pipes, it is characterized in that: said X-ray pipe assembly also comprises high-voltage power supply, fan and light pipe fixed mount.
8. according to the Xray fluorescence spectrometer of the said multidetector of claim 7 and many light pipes, it is characterized in that: said detector assembly also comprises protective cover, detector fixed mount, is used to protect the detector protective sleeve and the line outlet of detector probe.
9. the Xray fluorescence spectrometer of said according to Claim 8 multidetector and many light pipes; It is characterized in that: said filter system assembly comprises Guang Lan, optical filter and secondary optical filter; Light hurdle and detector protective sleeve are fixed; The secondary optical filter places the detecting head front end of detector, and an optical filter places the exit portal front end of X-ray pipe.
10. according to the Xray fluorescence spectrometer of the said multidetector of claim 9 and many light pipes; It is characterized in that: said high-voltage power supply, accumulator, X-ray pipe, detector, fan, optoelectronic switch, relay indicating light are electrically connected, and the data line of drawing from each detector line outlet collects in the data transmission hole to be carried in external computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200745010U CN202533394U (en) | 2012-03-01 | 2012-03-01 | Multi-detector multi-light pipe X-ray fluorescence spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200745010U CN202533394U (en) | 2012-03-01 | 2012-03-01 | Multi-detector multi-light pipe X-ray fluorescence spectrometer |
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| CN202533394U true CN202533394U (en) | 2012-11-14 |
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| CN2012200745010U Expired - Lifetime CN202533394U (en) | 2012-03-01 | 2012-03-01 | Multi-detector multi-light pipe X-ray fluorescence spectrometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293174A (en) * | 2012-03-01 | 2013-09-11 | 纳优科技（北京）有限公司 | X ray fluorescence spectrophotometer for multi-detectors and multi-light pipes and X ray fluorescence spectrum detection method for large-volume sample |
| CN106645041A (en) * | 2016-12-29 | 2017-05-10 | 湖南镭目科技有限公司 | Steel sample component analysis apparatus |
| CN111879803A (en) * | 2020-07-03 | 2020-11-03 | 三峡大学 | Soil heavy metal content detection device and detection method |
-
2012
- 2012-03-01 CN CN2012200745010U patent/CN202533394U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293174A (en) * | 2012-03-01 | 2013-09-11 | 纳优科技（北京）有限公司 | X ray fluorescence spectrophotometer for multi-detectors and multi-light pipes and X ray fluorescence spectrum detection method for large-volume sample |
| CN106645041A (en) * | 2016-12-29 | 2017-05-10 | 湖南镭目科技有限公司 | Steel sample component analysis apparatus |
| CN111879803A (en) * | 2020-07-03 | 2020-11-03 | 三峡大学 | Soil heavy metal content detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |