CN208284452U - A kind of divergent beams ionisation chamber - Google Patents
A kind of divergent beams ionisation chamber Download PDFInfo
- Publication number
- CN208284452U CN208284452U CN201821043028.3U CN201821043028U CN208284452U CN 208284452 U CN208284452 U CN 208284452U CN 201821043028 U CN201821043028 U CN 201821043028U CN 208284452 U CN208284452 U CN 208284452U
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- China
- Prior art keywords
- shell
- signal
- interface
- electrode
- ionisation chamber
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- 238000009413 insulation Methods 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 28
- 230000005684 electric field Effects 0.000 description 6
- 230000005469 synchrotron radiation Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The utility model discloses divergent beams ionisation chambers, comprising: shell, signal electrode, high-field electrode, the insulation fixture block of enclosure interior, the signal plug of hull outside, insert gas nozzle, panel and window sealer at high-tension terminal fastly.It is respectively arranged with signal at the center of the shell two sides and draws interface and high pressure feed-in interface, the signal plug is drawn interface with the signal and connect, and the high-tension terminal is connect with the high pressure feed-in interface；The shell two sides are respectively arranged with connects gas interface fastly, and the gas nozzle slotting fastly is connect with the gas interface that connects fastly；The signal electrode and high-voltage motor are fixed in the shell by the insulation fixture block at both ends, and the connecting column of the signal electrode is connected with the signal plug, and the connecting column of the high-field electrode is connected with the high-tension terminal；The panel is crimped by sealing ring with the end face of the shell side, is crimped by sealer pressing plate with the window sealer, and the detection of the X-ray of one-dimensional diverging distribution is realized.
Description
Technical field
The utility model relates to X-ray detection technical field more particularly to a kind of divergent beams ionisation chambers.
Background technique
Ionisation chamber is used to X-ray, gamma-rays being converted to electric signal, grasped in production and life convenient for people X-ray,
Gamma-ray intensity, position characteristic.When X-ray enters in ionisation chamber, some X-rays are got in gas molecule, the energy of X-ray
Amount passes to gas molecule, so that gas molecule is ionized to electronics.Electric field in ionisation chamber is stronger, and electronics is toward pole plate two
The mobile speed in side is faster, forms electric current under the action of electric field.
However, inventor has found in the process of implementing the utility model, in synchrotron radiation experiment, when laboratory sample by
To high-intensitive synchrotron radiation X light beam irradiation when, be emitted the tapered scatter distributions of bunch.Experimentation is radially distributed in collection
About 20 centimetres or more of outgoing beam while, need to enable part light intensity penetrating lonization chamber, so as to subsequent probe.And it is conventional
Synchrotron radiation ionisation chamber window size it is small, along bunch direction, thickness is big, big to X-ray beam assimilation ratio, be not able to satisfy the application
The demand of occasion.
Summary of the invention
The purpose of this utility model is to provide a kind of divergent beams ionisation chambers, to solve above-mentioned exist in the prior art
The problem of.
The utility model is implemented by following technical solution:
The utility model provides a kind of divergent beams ionisation chamber, comprising: signal electricity inside housings is arranged in shell
Pole, high-field electrode, four insulation fixture blocks, the signal plug, high-tension terminal, the fast of the second preset quantity that hull outside is arranged in are inserted
Gas nozzle, two panels and two window sealers.
Wherein, it is respectively arranged with signal at the center of the shell two sides and draws interface and high pressure feed-in interface, the signal
Socket draws interface with the signal and is connected, and the high-tension terminal is connected with the high pressure feed-in interface；The shell two
The predeterminated position of side is respectively arranged with and connects gas interface fastly, and the gas nozzle slotting fastly is connected with the gas interface that connects fastly；It is described
Signal electrode is fixed in the shell by the insulation fixture block at both ends, the connecting column of the signal electrode and the signal plug
It is connected；The high-field electrode is fixed in the shell by the insulation fixture block at both ends, the connecting column of the high-field electrode with
The high-tension terminal is connected；The one side of the panel is crimped by sealing ring with the end face of the shell side, the panel
Another side crimped with the window sealer by sealer pressing plate.
Further, the insulation fixture block includes 4, and the insulation fixture block is separately positioned on the inner wall of the shell two sides
On, for the signal electrode and the high-field electrode to be fixed in the shell.
Further, the core wire of the connecting column of the signal electrode and the signal plug welds, the high-field electrode
The core wire of connecting column and the high-tension terminal welds.
Further, the connecting column of the signal electrode and the signal electrode is integrally machined by oxygen-free copper, institute
The connecting column for stating high-field electrode and the high-field electrode is integrally machined by oxygen-free copper.
Further, the shell circumferential side frame is provided with aprons slot and screw hole, and the sealing ring is arranged in the cushion rubber
In slot, the panel is crimped with the shell by screw.
Further, the window sealer is placed on the outside of the panel, by sealer pressing plate described in screw pressing in
In the window sealer.
Further, the panel is stainless steel rectangular window flange, and centre is provided with strip window.
Further, the window sealer is aluminizer.
Further, second preset quantity is two, and the two sides of the shell, which are each provided with one and connect gas fastly, to be connect
Mouthful.
Further, the shell is aluminum rectangular frame structure.
Divergent beams ionisation chamber provided by the embodiment of the utility model, comprising: shell, signal electrode, the height of enclosure interior
Piezoelectricity pole, insulation fixture block, the signal plug of hull outside, insert gas nozzle, panel and window sealer at high-tension terminal fastly.The shell
It is respectively arranged with signal at the center of two sides and draws interface and high pressure feed-in interface, the signal plug and the signal draw interface
Connection, the high-tension terminal are connect with the high pressure feed-in interface；The shell two sides are respectively arranged with connects gas interface fastly, institute
Slotting gas nozzle fastly is stated to connect with the gas interface that connects fastly；The signal electrode and connecting column are connected with the signal plug, institute
The connecting column for stating high-field electrode is connected with the high-tension terminal；The panel passes through the end face of sealing ring and the shell side
Crimping, is crimped by sealer pressing plate with the window sealer.
This ionisation chamber uses the design of elongated electrodes and elongated window, realizes the detection of the X-ray of one-dimensional diverging distribution,
The influence that high-field electrode exports the electric leakage of signal electrode and high pressure to signal is eliminated, reduces surface leakage to greatest extent
Stream, improves the interference free performance of output signal.Meanwhile with small electrode spacing, ionisation chamber working region is improved
Electric field strength maintains the good linearity.In addition, this ionisation chamber has gas working method, it can be by changing work gas
Body type adjusts ionisation chamber to the absorptivity of X-ray.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of divergent beams ionisation chamber provided by the utility model embodiment；
Fig. 2 is the top view of divergent beams ionisation chamber provided by the utility model embodiment；
Fig. 3 is the exploded view of divergent beams ionisation chamber provided by the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
The term used in the utility model embodiment and is not intended to merely for for the purpose of describing particular embodiments
Limit the utility model.The utility model embodiment and the "an" of singular used in the attached claims,
" described " and "the" are also intended to including most forms, unless the context clearly indicates other meaning.
The technical solution of the utility model embodiment is described in detail below.
First to the utility model relates to technical term explain.
Ionisation chamber is mainly made of seal casinghousing, parallel-plate electrode, is passed through straight argon, purity nitrogen or hybrid working gas as needed
Body applies high voltage on high-field electrode, then electric field is generated between signal electrode and high-field electrode.When having X-ray along axial
From when ionization chamber window incidence, the gas between two-plate generates ionization in direction, the electrification ionized under the action of electric field just from
Son and electronics are moved to two-plate respectively, and movement reaches pole plate and generates signal code, signal code and X-ray intensity direct ratio.
Ionisation chamber is based on this physical principle and realizes to incident X-rays strength investigation.
Fig. 1-Fig. 3 is divergent beams ionisation chamber structural schematic diagram provided by the embodiment of the utility model.Such as Fig. 1-Fig. 3 institute
Show, the divergent beams ionisation chamber includes:
13, four insulation fixture blocks 9 of signal electrode 4, high-field electrode inside shell 1 are arranged in shell 1, are arranged in shell 1
External signal plug 2, high-tension terminal 5, fast slotting 3, two panels 10 of gas nozzle of the second preset quantity and two window sealers 8,
And gasket 6, sealing ring 7, sealer pressing plate 11, connecting column 12 corresponding with signal electrode 4 and high-field electrode 13 respectively.
Wherein, it is respectively arranged with signal at the center of 1 two sides of shell and draws interface and high pressure feed-in interface, signal plug 2
It draws interface with the signal to be connected, high-tension terminal 5 is connected with the high pressure feed-in interface；The default position of 1 two sides of shell
It sets to be respectively arranged with and connects gas interface fastly, slotting gas nozzle 3 is connected with the gas interface that connects fastly fastly；Signal electrode 4 passes through both ends
Insulation fixture block 9 be fixed in shell 1, the connecting column 12 of signal electrode 4 is connected with signal plug 2；High-field electrode 13 passes through
The insulation fixture block 9 at both ends is fixed in shell 1, and the connecting column 12 of high-field electrode 13 is connected with high-tension terminal 5；The one of panel 10
Face is crimped by sealing ring 7 with the end face of 1 side of shell, and the another side of panel 10 is pressed by sealer pressing plate 11 and window sealer 8
It connects.
Further, the position of the signal extraction interface is corresponding with signal electrode 4, the position of the high pressure feed-in interface
It sets corresponding with high-field electrode 13.
Further, shell 1 is the partially long rectangular frame structure of aluminum, and the signal being arranged at the center of two sides draws interface
It seals and fixes with signal plug 2, high pressure feed-in interface and the sealing of high-tension terminal 5 are fixed.
Further, slotting gas nozzle 3 includes two fastly, and the two sides of shell 1 are each provided with one and connect gas interface fastly, and two fast
Slotting gas nozzle 3 connects gas interface with this respectively fastly and is connected, for importing and exporting for working gas.
Further, insulation fixture block 9 uses polytetrafluoro material.Two edge insulators are respectively set on the inner wall of 1 two sides of shell
Block 9 maintains electrode plate and insulate to the height of shell 1 for signal electrode 4 and high-field electrode 13 to be fixed in 1 inside of shell
Degree.Simultaneously as insulation fixture block 9 is respectively provided with to the both ends of signal electrode 4 and high-field electrode 13, accordingly even when in edge insulator
After block is contaminated, insulating properties weakens, signal electrode 2 and high-field electrode 4 will not be directly connected to and generate leakage current.
Further, high-field electrode 13 and signal electrode 4 are the identical fine copper strip plate of size, 13 back side of high-field electrode
The semicircular ring protrusion at center is its corresponding connecting column 12, and high-field electrode 13 is connected thereto column 12 and is integrally machined by oxygen-free copper
At the connecting column 12 of the high-field electrode 13 and the core wire of high-tension terminal 5 weld.Correspondingly, the half of 4 back center of signal electrode
Annulus protrusion is its corresponding connecting column 12, and signal electrode 4 is connected thereto column 12 and is integrally machined by oxygen-free copper, signal electricity
The connecting column 12 of pole 4 and the core wire of signal plug 2 weld.
Further, panel 10 can be stainless steel rectangular window flange, and centre is provided with strip window, panel 10 and envelope
The size of membrane pressure plate 11 (flange plate) is identical.1 circumferential side frame of shell is provided with aprons slot and screw hole, and sealing ring 7 can be O-shaped
Sealing ring is arranged in the aprons slot, is crimped panel 10 with the shell 1 that placed sealing ring 7 by screw.Window envelope
Film 8 is placed on the outside of panel 10, by screw pressing sealer pressing plate 11 in window sealer 8, therefore ensures that the close of shell 1
Envelope, is also convenient for being replaced.Optionally, the KAPTON that aluminizes (polyimides) film that window sealer 8 is 70 μm, the X-ray of diverging
Ionisation chamber can be passed through by the elongated window of overlay film.
Divergent beams ionisation chamber provided by the utility model makes it have (20cm or more) biggish detection model in one-dimensional square
It encloses, and then keeps the detection scale of conventional ionisation chamber in another dimension, long and narrow detection window is formed, to realize one-dimensional diverging point
The detection of the X-ray of cloth.Meanwhile high-field electrode and signal electrode are adjusted by the setting of insulation fixture block position in shell
Spacing reduces the spacing of electrode in ionisation chamber, improves the electric field strength of ionisation chamber working region, so that high-throughput and high
The synchronizable optical condition of flux density, keeps the good linearity.
Meanwhile using polytetrafluoro plug-in type insulation fixture block by electrode fixed with shell position and electrode directly and shell
The core wire of high-tension terminal and signal plug on shell welds, and eliminates electric leakage of the high-field electrode to signal electrode, eliminates height
The influence exported to signal is pressed, reduces tracking current to the maximum extent, improves jamproof performance.
Secondly, the connecting interface using fast plug as working gas, makes ionisation chamber work in gas mode, to lead to
It crosses and changes working gas type adjusting ionisation chamber to the absorptivity of X-ray.
In addition, effectively shielding the electromagnetic interference of environment using aluminizer as window sealer.Entire ionisation chamber is integrally tied
Structure design is simple, durable, easy to operate, at low cost, suitable for dissipating the detection of X-ray beam.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the embodiment of the present application, rather than it is limited
System；Although the application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: its
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equal
Replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the utility model technical side
The spirit and scope of case.
Claims (10)
1. a kind of divergent beams ionisation chamber, comprising: signal electrode, high-field electrode, four insulation inside housings is arranged in shell
Fixture block is arranged in the signal plug of hull outside, high-tension terminal, the fast of the second preset quantity and inserts gas nozzle, two panels and two
Window sealer；
Wherein, it is respectively arranged with signal at the center of the shell two sides and draws interface and high pressure feed-in interface, the signal plug
It draws interface with the signal to be connected, the high-tension terminal is connected with the high pressure feed-in interface；
The predeterminated position of the shell two sides is respectively arranged with connects gas interface fastly, and the gas nozzle slotting fastly connects with the gas that connects fastly
Mouth is connected；
The signal electrode is fixed in the shell by the insulation fixture block at both ends, the connecting column of the signal electrode with it is described
Signal plug is connected；The high-field electrode is fixed in the shell by the insulation fixture block at both ends, the high-field electrode
Connecting column is connected with the high-tension terminal；
The one side of the panel is crimped by sealing ring with the end face of the shell side, and the another side of the panel passes through sealer
Pressing plate is crimped with the window sealer.
2. ionisation chamber according to claim 1, which is characterized in that the insulation fixture block is separately positioned on the shell two sides
Inner wall on, for the signal electrode and the high-field electrode to be fixed in the shell.
3. ionisation chamber according to claim 1, which is characterized in that the connecting column of the signal electrode and the signal plug
Core wire welding, the core wire of the connecting column of the high-field electrode and the high-tension terminal welds.
4. ionisation chamber according to claim 1 to 3, which is characterized in that the signal electrode and the signal electrode
Connecting column is integrally machined by oxygen-free copper, and the connecting column of the high-field electrode and the high-field electrode passes through oxygen-free copper one
It is process.
5. ionisation chamber according to claim 1, which is characterized in that the shell circumferential side frame is provided with aprons slot and spiral shell
Hole, the sealing ring are arranged in the aprons slot, are crimped the panel with the shell by screw.
6. ionisation chamber according to claim 5, which is characterized in that the window sealer is placed on the outside of the panel,
By sealer pressing plate described in screw pressing in the window sealer.
7. ionisation chamber according to claim 1, which is characterized in that the panel is stainless steel rectangular window flange, intermediate
It is provided with strip window.
8. ionisation chamber according to claim 1, which is characterized in that the window sealer is aluminizer.
9. ionisation chamber according to claim 1, which is characterized in that second preset quantity is two, the shell
Two sides are each provided with one and connect gas interface fastly.
10. ionisation chamber according to claim 1, which is characterized in that the shell is aluminum rectangular frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821043028.3U CN208284452U (en) | 2018-06-29 | 2018-06-29 | A kind of divergent beams ionisation chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821043028.3U CN208284452U (en) | 2018-06-29 | 2018-06-29 | A kind of divergent beams ionisation chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284452U true CN208284452U (en) | 2018-12-25 |
Family
ID=64698697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821043028.3U Expired - Fee Related CN208284452U (en) | 2018-06-29 | 2018-06-29 | A kind of divergent beams ionisation chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208284452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896993A (en) * | 2020-07-23 | 2020-11-06 | 苏州核道核能技术有限公司 | Ion ray angular distribution ionization chamber detector |
-
2018
- 2018-06-29 CN CN201821043028.3U patent/CN208284452U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896993A (en) * | 2020-07-23 | 2020-11-06 | 苏州核道核能技术有限公司 | Ion ray angular distribution ionization chamber detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |