CN207233409U - A kind of electronics draws scan box structure - Google Patents
A kind of electronics draws scan box structure Download PDFInfo
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- CN207233409U CN207233409U CN201721039020.5U CN201721039020U CN207233409U CN 207233409 U CN207233409 U CN 207233409U CN 201721039020 U CN201721039020 U CN 201721039020U CN 207233409 U CN207233409 U CN 207233409U
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- scan box
- electron beam
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- box
- middle block
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Abstract
The utility model discloses a kind of electronics to draw scan box structure, it is therefore intended that when solving to irradiate large scale or oversize material using existing electron accelerator, using scan mode by electron beam broadening to more than the size for being illuminated material.During extended electron beam, if the angle too small of scan deflection, the problem of height of scan box is higher, and weight is substantially increased can be caused；If the angle of scan deflection is excessive, it can cause that loss of the edge electronic beam on isolation film is excessive, and the heat deposited on isolation film is big, fever is serious, short life.The utility model uses the structure of multiple scan box parallel connection, on the premise of scan box total height is not increased, realize electron beam large scale broadening, at the same time, in order to improve the uniformity of irradiation, the extended electron beam edge of adjacent scan box intersects, by adjusting the middle block between adjacent scan box, the irradiation dose of intersection region is controlled, obtains the overall large scale electron beam that uniformly sexual satisfaction needs.
Description
Technical field
Application of Nuclear Technology field, especially electron beam irradiation manufacture field are the utility model is related to, is specially a kind of electronics
Draw scan box structure.
Background technology
Electronic beam irradiation technology is using the electronbeam irradiation material after accelerating in high voltage electric field, passes through high energy electron
Interaction with material ionizes and encourages the molecule of various materials, so as to trigger chemical reaction, to improve the performance of material
Or generation new material.At present, electronic beam irradiation technology be widely used to high molecular material, semi-conducting material, inorganic material and
The modification and research and development of metal material, and the exploitation of the correlation technique such as sterilization, disinfection and product, and achieve preferable technology effect
Fruit.And capital equipment of the electron accelerator as electronic beam irradiation technology, there is vital effect for its development.
When electron accelerator is used for irradiation processing, generally require the electron beam scanning broadening growth bar shaped in small size section
Ribbon beam, then carries out irradiation processing to large scale material.Under normal conditions, the angle of broadening is scanned between 15 ~ 30 degree, angle
Spend small, scan box is higher, and size is big；Angle is excessive, and when edge electronic beam is by drawing fenestrated membrane, electron beam loss is big, film
The energy of upper deposition is big, and fever is serious, short life.Material for oversize is, it is necessary to electron beam broadening scope is big, scan box
Product can become very big, and weight also weighs, and corresponding various costs increase considerably.
Therefore, there is an urgent need to a kind of new device, to solve the above problems.
Utility model content
The goal of the invention of the utility model is：For the existing electron accelerator of use to large scale or oversize material
When being irradiated, using scan mode by electron beam broadening to more than the size for being illuminated material.During extended electron beam, if swept
The angle too small of deflection is retouched, the height of scan box can be caused higher, scan box product increase, the problem of weight is substantially increased；If
The angle of scan deflection is excessive, can cause that loss of the edge electronic beam on isolation film is excessive, and the heat deposited on isolation film is big,
Fever is serious, short life.The utility model uses the structure of multiple scan box parallel connection, is not increasing the premise of scan box total height
Under, realize electron beam large scale broadening, meanwhile, in order to improve the uniformity of irradiation, the extended electron beam edge of adjacent scan box
Intersect, by adjusting the middle block between adjacent scan box, adjustment absorbs the quantity of intersection region electron beam, so as to control
The irradiation dose of intersection region processed, obtains the overall large scale electron beam that uniformly sexual satisfaction needs.In the structure, using n according to
The scan box of secondary arrangement, block among n-1, wherein, n is natural number, and n >=2.Using the structure, inside single scan box
For independent vacuum system, multiple scan box cooperate successively through middle block, obtain having good irradiation dose uniformity
Ultra-wide electronics draws scan box structure.The utility model is skillfully constructed, simple in structure, has preferable application prospect.
The invention discloses a kind of scan box parallel-connection structure for electron beam irradiation processing, is reducing scan box total height
In the case of, it is in parallel with multiple scan box, obtain needing the extended electron beam of length, the electron beam edge that each scan box is drawn
Intersect overlapping, by controlling the irradiation dose of overlapping region, obtain the overall ultra-wide electron beam that uniformly sexual satisfaction needs.
To achieve these goals, the utility model adopts the following technical solution：
A kind of electronics draws scan box structure, including the n scan box being arranged in order, middle block, and the n is nature
Number, and n >=2, the quantity of the middle block is n-1；
Point-blank, the scan box includes scanning box main body, sweeping magnet, isolation film for the scan box arrangement,
The sweeping magnet is arranged on scanning box main body upper end and sweeping magnet can be scanned electron beam broadening, and the isolation film is set
Put in scanning box main body lower end；The middle block is arranged between two neighboring scan box.
The middle block is arranged in the electron beam overlapping region of two neighboring scan box.
The middle block can carry out position adjustment up and down.
Cooling device is provided with the middle block, takes away the heat of electron beam deposition in time.
For foregoing problems, the application provides a kind of electronics and draws scan box structure.In existing structure design, increase electronics
Shu Zhankuan scopes, cause scan box highly to increase, to requirements of installation space increase.If by the way of scan angle were increased, meeting
Cause the divergence of edge electronic beam to increase, and then cause material irradiation dosage uneven.Meanwhile in existing structure, scan box
Lower end be provided with one layer of isolation film, after angle increase, the energy being deposited on film will also increase, loss also can bigger,
And then cause material irradiation dosage uneven.For this reason, different using single scan box from existing electron accelerator, the application uses
The structure of multiple scan box parallel connections, meanwhile, in order to improve scan box irradiation uniformity, the application two neighboring scan box it
Between set among block, pass through the adjustment effect of middle block so that irradiation thing absorbed dose of radiation uniformity meet the requirements.The knot
In structure, the scan box that are arranged in order using n, n-1 centre block, wherein, n is natural number, and n >=2.Further, scan
Box includes scanning box main body, sweeping magnet, isolation film, and sweeping magnet is arranged on scanning box main body upper end and sweeping magnet can be to electricity
Beamlet is scanned broadening, and isolation film is arranged on scanning box main body lower end and can make scan box Inner Constitution vacuum system.Using
The structure, single scan box inside is independent vacuum system, and multiple scan box cooperate, had successively through middle block
The ultra-wide electronics of good irradiation dose uniformity draws scan box structure.
More specifically, when there is n scan box, the structure include scan box 1, scan box 2 ... scan box n, scans magnetic
Iron 1, sweeping magnet 2 ... sweeping magnet n, isolation film 1, isolation film 2 ... isolation film n.Electron beam 1, electron beam 2 ...
Electron beam n, respectively scan box 1, scan box 2 ... in scan box n be scanned magnet 1, sweeping magnet 2 ... sweeping magnet
N homogeneously broadenings, and be drawn out in air, irradiated to being illuminated thing.And the application be illuminated thing surface intersect weight
Folded area, sets gradually middle block 1, middle baffle plate 2 ... middle baffle plate n-1, adjusts middle baffle plate 1, in middle baffle plate 2 ...
Between baffle n-1 position, adjustment absorb intersection region electron beam quantity, so as to form uniform photograph being illuminated thing surface
Penetrate, and then the uniformity for making to be illuminated thing absorbed dose of radiation is met the requirements.
The application is designed on the premise of scan box height is not increased using the n scan box being arranged in order, and is ensureing to sweep
Retouch it is isogonal under the premise of, greatly reduce scan box height.Meanwhile pass through the improvement to structure so that be illuminated thing
Surface forms uniform irradiation, and the quality of irradiation products is effectively ensured, and improves the quality of product.The utility model is skillfully constructed,
Simple in structure, design is reasonable, disclosure satisfy that large scale or the demand of oversize material irradiation.In addition, using n in the application
Independent Vacuum System Design, it is independent between each other so that device overall structure is simple, easy to maintain, effectively reduce safeguard into
This.
Further, middle block is arranged in the electron beam overlapping region of two neighboring scan box.In the application, pass through tune
The position up and down of whole middle block, fine-tunes the quantity for stopping the intersection region electron beam absorbed, is being illuminated thing table
Face forms uniform irradiation, and the uniformity for making to be illuminated thing absorbed dose of radiation is met the requirements.
Further, it is provided with cooling device in middle block.Electron beam irradiation is on middle block, the temperature of middle block
Can quickly it raise, for this reason, the application sets corresponding cooling device, to realize the cooling to middle block.
Brief description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the top view of the utility model.
Marked in figure：1 is scan box, and 2 be middle block, and 3 be sweeping magnet, and 4 be isolation film.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
Embodiment 1
As shown in the figure, the present embodiment provides a kind of new electronics to draw scan box structure.It includes what n was arranged in order
Scan box, n-1 middle block.The present embodiment includes scanning box main body, sweeping magnet, isolation film, middle block, scans magnetic
Iron is arranged on scanning box main body upper end and sweeping magnet can be scanned electron beam broadening, and isolation film is arranged on scanning box main body
Lower end.N is natural number, and n >=2.The arrangement of each scan box point-blank, middle block be arranged on two neighboring scan box it
Between.
Specifically, the present embodiment includes scan box 1, scan box 2 ... scan box n, sweeping magnet 1, sweeping magnet
2nd ... sweeping magnet n, isolation film 1, isolation film 2 ... isolation film n, and middle block 1, the middle block of middle block 2 ...
n-1；Meanwhile extended electron beam 1, electron beam 2 ... electron beam n are corresponded in sweeping magnet.As shown in Figure 1, swept in scan box
The electron beam irradiation after magnet broadening is retouched in certain angular range, will there are overlapping region between two neighboring electron beam
Middle block is arranged in the electron beam overlapping region of two neighboring scan box.It is only inside single scan box using the structure
Vertical vacuum system, multiple scan box cooperate successively through middle block, obtain the ultra-wide with good irradiation dose uniformity
Electronics draws scan box structure.
When the device works, electron beam 1, electron beam 2 ... electron beam n are corresponded in scan box 1, scan box 2, scanning respectively
Magnet 1, sweeping magnet 2 ... sweeping magnet n homogeneously broadenings are scanned in box n, through propping bar 1, propping bar 2 ... propping bar
N and isolation film 1, isolation film 2 ... isolation film n, are drawn out in air, be illuminated thing surface intersect it is overlapping；In adjusting
Between baffle 1, the position of middle baffle plate 2 ... middle baffle plate n-1, adjustment absorb intersection region electron beam quantity so that in quilt
Irradiation thing surface forms uniform irradiation, and the uniformity for making to be illuminated thing absorbed dose of radiation is met the requirements.
Further, it is provided with cooling device in middle block.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of electronics draws scan box structure, it is characterised in that including block among the n scan box being arranged in order, n-1,
The n is natural number, and n >=2；
Point-blank, the scan box includes scanning box main body, sweeping magnet, isolation film, described for the scan box arrangement
Sweeping magnet is arranged on scanning box main body upper end and sweeping magnet can be scanned electron beam broadening, and the isolation film is arranged on
Scan box main body lower end；The middle block is arranged between two neighboring scan box.
2. electronics draws scan box structure according to claim 1, it is characterised in that the middle block is arranged on adjacent two
In the electron beam overlapping region of a scan box.
3. according to claim 1 electronics draw scan box structure, it is characterised in that the middle block can up and down into
Row position adjusts.
4. electronics draws scan box structure according to claim 1, it is characterised in that is provided with cooling in the middle block
Device, takes away the heat of electron beam deposition in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039020.5U CN207233409U (en) | 2017-08-18 | 2017-08-18 | A kind of electronics draws scan box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039020.5U CN207233409U (en) | 2017-08-18 | 2017-08-18 | A kind of electronics draws scan box structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233409U true CN207233409U (en) | 2018-04-13 |
Family
ID=61858308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721039020.5U Active CN207233409U (en) | 2017-08-18 | 2017-08-18 | A kind of electronics draws scan box structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN207233409U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109287059A (en) * | 2018-08-13 | 2019-01-29 | 中国科学院近代物理研究所 | A kind of vertical ejector of low-energy electronic accelerator scanning beam and method |
| CN113903493A (en) * | 2020-06-22 | 2022-01-07 | 四川智研科技有限公司 | Irradiation method for container |
-
2017
- 2017-08-18 CN CN201721039020.5U patent/CN207233409U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109287059A (en) * | 2018-08-13 | 2019-01-29 | 中国科学院近代物理研究所 | A kind of vertical ejector of low-energy electronic accelerator scanning beam and method |
| CN109287059B (en) * | 2018-08-13 | 2020-12-29 | 中国科学院近代物理研究所 | Device and method for vertically leading out scanning beam of low-energy electron accelerator |
| CN113903493A (en) * | 2020-06-22 | 2022-01-07 | 四川智研科技有限公司 | Irradiation method for container |
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