CN207053861U - The beam spot automatic straightening device and accelerator of a kind of accelerator - Google Patents
The beam spot automatic straightening device and accelerator of a kind of accelerator Download PDFInfo
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- CN207053861U CN207053861U CN201720779576.1U CN201720779576U CN207053861U CN 207053861 U CN207053861 U CN 207053861U CN 201720779576 U CN201720779576 U CN 201720779576U CN 207053861 U CN207053861 U CN 207053861U
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- beam spot
- accelerator
- straightening device
- automatic straightening
- extraction window
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Abstract
The utility model discloses the beam spot automatic straightening device and accelerator of a kind of accelerator, including be arranged on drift tube, respectively along using extraction window as coordinate plane, using the absolute center of extraction window as the Y direction of the coordinate system of origin and a pair of x-ray circles of X-direction and a pair of Y coils；The correction power supply that first output end is connected with x-ray circle, the second output end is connected with Y coils；For the beam spot station acquisition device for the position for gathering the beam spot on extraction window；Controller, for the X corrective currents and Y corrective currents according to the determination of preset relation table and the position correspondence of beam spot and correction power supply is controlled to export X corrective currents to x-ray circle, Y corrective currents are exported to Y coils, to adjust the position of beam spot until the position of beam spot extraction window absolute center.The application step is simple, and operation difficulty is low, and without consuming substantial amounts of manpower, error is small and improves the operating efficiency of accelerator.
Description
Technical field
Accelerator art field is the utility model is related to, a kind of beam spot automatic straightening device more particularly to accelerator and is added
Fast device.
Background technology
Fig. 1 is refer to, Fig. 1 is the structural representation of accelerator beam channel.The electronics that electron gun in accelerator is sent
Stream is after accelerating tube, drift tube and focalizer, if corrected without rectifier, it is possible that the beam spot of electron stream is not
In the situation of the absolute center of extraction window, it can not meet the service condition of accelerator facility, therefore, it is necessary to using in accelerator
Rectifier corrects to the beam spot of electron stream the absolute center of extraction window.
Rectifier of the prior art only include a pair using extraction window as coordinate plane, for electron stream in coordinate plane
X-axis on the x-ray circle corrected, concrete principle be when being corrected to beam spot by inputting corrective current into x-ray circle,
Change the track of beam spot by changing magnetic force that electron stream is subject to.Due to there was only a pair of coils in the prior art,
Realize to after correction of the beam spot in X-axis, if also to realize the correction in Y-axis, needing to adjust the direction of coil, and it is existing
Have in technology is manually to go to adjust coil, on the one hand, complex steps, operation difficulty is higher, and needs to have certain technology and know
Knowing the talent to operate, and on the other hand, consume more manpower, error is big and reduces the operating efficiency of accelerator.
Therefore, how to provide a kind of scheme for solving above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Utility model content
The purpose of this utility model is to provide the beam spot automatic straightening device and accelerator of a kind of accelerator, on the one hand, step
Simply, operation difficulty is low, and on the other hand, without consuming substantial amounts of manpower, error is small and improves the operating efficiency of accelerator.
In order to solve the above technical problems, the utility model provides a kind of beam spot automatic straightening device of accelerator, it is applied to
Accelerator, the accelerator include extraction window, and the beam spot automatic straightening device includes：
Be arranged on drift tube, respectively along using extraction window as coordinate plane, using the absolute center of the extraction window as origin
The Y direction of coordinate system and a pair of x-ray circles of X-direction and a pair of Y coils；
The correction power supply that first output end is connected with the x-ray circle, the second output end is connected with the Y coils；
For the beam spot station acquisition device for the position for gathering the beam spot on the extraction window；
Input is connected with the output end of the beam spot station acquisition device, output end and the input of the correction power supply connect
The controller connect, for being determined according to preset relation table with the X corrective currents of the position correspondence of the beam spot and Y corrective currents simultaneously
Control the correction power supply to export the X corrective currents to the x-ray circle, export the Y corrective currents to the Y coils, with
Adjust the beam spot position until the beam spot position the extraction window absolute center.
Preferably, the beam spot automatic straightening device also includes：
The memory cell being connected with the controller, rectified for storing X corrective currents that the controller finally determines and Y
Positive current and now energy value corresponding to the accelerator, so that the controller is follow-up directly according to the current of the accelerator
Energy value determines corrective current.
Preferably, the correction power supply is constant-current source.
Preferably, the controller is programmable logic controller (PLC) PLC.
Preferably, the beam spot station acquisition device projects dielectric-slab for the beam spot of the setting coordinate system.
Preferably, the beam spot projection dielectric-slab is glass or plastics.
Preferably, it is IMAQ recognition unit that the beam spot station acquisition device, which also includes,.
In order to solve the above technical problems, the utility model additionally provides a kind of accelerator, including beam spot as described above
Automatic straightening device.
The utility model provides the beam spot automatic straightening device and accelerator of a kind of accelerator, and beam spot automatic straightening device includes
It is arranged on drift tube, respectively along the Y-axis using extraction window as coordinate plane, using the absolute center of extraction window as the coordinate system of origin
Direction and a pair of the x-ray circles and a pair of Y coils of X-direction；First output end is connected with x-ray circle, the second output end and Y coils connect
The correction power supply connect；For the beam spot station acquisition device for the position for gathering the beam spot on extraction window；Input and beam spot position
The controller that the output end connection of collector, output end are connected with correcting the input of power supply, for true according to preset relation table
The X corrective currents and Y corrective currents of fixed and beam spot position correspondence simultaneously control correction power supply to export X corrective currents to x-ray circle, defeated
Go out Y corrective currents to Y coils, to adjust the position of beam spot until the position of beam spot extraction window absolute center.
It is respectively used to it can be seen that the application is provided with to the x-ray circle of beam spot progress X-axis correction and for carrying out Y-axis to beam spot
The Y coils of correction, as long as so that inputting X corrective currents to x-ray circle, input Y corrective currents to Y coils just can change simultaneously
The magnetic force that electron stream is subject in X-axis and Y-axis, and then realize the purpose corrected automatically to beam spot in X-axis and Y-axis, a side
Face, step is simple, and operation difficulty is low, and on the other hand, without consuming substantial amounts of manpower, error is small and improves the work of accelerator
Efficiency.
Brief description of the drawings
, below will be to prior art and embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of accelerator beam channel；
Fig. 2 is a kind of structural representation of the beam spot automatic straightening device of accelerator provided by the utility model；
Fig. 3 is a kind of position adjustment schematic diagram of beam spot provided by the utility model.
Embodiment
Core of the present utility model is to provide the beam spot automatic straightening device and accelerator of a kind of accelerator, on the one hand, step
Simply, operation difficulty is low, and on the other hand, without consuming substantial amounts of manpower, error is small and improves the operating efficiency of accelerator.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Fig. 2 and Fig. 3 are refer to, wherein, Fig. 2 is a kind of beam spot automatic straightening device of accelerator provided by the utility model
Structural representation, Fig. 3 be a kind of beam spot provided by the utility model position adjustment schematic diagram, the beam spot automatic straightening device application
In accelerator, accelerator includes extraction window, and beam spot automatic straightening device includes：
It is arranged on drift tube, respectively along the seat using extraction window as coordinate plane, using the absolute center of extraction window as origin
Mark the Y direction of system and a pair of the x-ray circles 1 and a pair of Y coils 2 of X-direction；
The correction power supply 4 that first output end is connected with x-ray circle 1, the second output end is connected with Y coils 2；
For the beam spot station acquisition device 3 for the position for gathering the beam spot on extraction window；
The control that input is connected with the output end of beam spot station acquisition device 3, output end is connected with correcting the input of power supply 4
Device 5 processed, for the X corrective currents and Y corrective currents according to the determination of preset relation table and the position correspondence of beam spot and control correction
Power supply 4 exports X corrective currents to x-ray circle 1, output Y corrective currents to Y coils 2, to adjust the position of beam spot until the position of beam spot
Put the absolute center in extraction window.
Firstly the need of explanation, the application is built using extraction window as coordinate plane, using the absolute center of extraction window as origin
Vertical coordinate system, the absolute center of now beam spot in extraction window is then illustrated when beam spot is in the origin of coordinates, otherwise, then explanation needs pair
Beam spot is corrected.Specifically, can be in (along the Y direction of above-mentioned coordinate system) and the left and right up and down of drift tube in the application
(along the X-direction of above-mentioned coordinate system) position is installed by a pair of x-ray circles for being used to correct electron stream in the Y-axis direction respectively
1 and it is used for the Y coils 2 corrected in the X-axis direction to electron stream a pair.
Specifically, when accelerator initially goes out beam or maintenance recovery needs correction, it is first powered on required energy value.
The initial position of beam spot is gathered when two pairs of coils are without initial correction given value of current value, specifically can refer to the position 1 in Fig. 3, is controlled
Device 5 processed determines that corresponding with the position 1 of beam spot X corrective currents and Y are rectified after initial position 1 is received, according to preset relation table
Positive current simultaneously controls correction power supply 4 to export X corrective currents to x-ray circle 1, and output Y corrective currents are to Y coils 2, so as to realize halved tie
The automatic straightening of spot, in practical application, it is contemplated that the interference of each factor, it is possible that can not once just by beam spot adjust to
The situation of the absolute center of extraction window, such as in Fig. 3, beam spot may be adjusted to position 2 by position 1, then the beam spot is automatic
Rectifier can repeat said process until beam spot position extraction window absolute center, such as the position 3 in Fig. 3.
It is worth noting that, above-mentioned preset relation table can be position and the relation corresponding table of corrective current of beam spot, use
Family can establish the position of beam spot and the relation corresponding table of corrective current previously according to experience so that subsequent controllers 5 are receiving
Corrective current can be determined with table look-at by place postponing；Certainly, relational expression can also be included in above-mentioned preset relation table so that
Subsequent controllers 5 can be directly substituted into relational expression to determine corrective current after position is received.
The utility model provides a kind of beam spot automatic straightening device of accelerator, and beam spot automatic straightening device includes being arranged at drift
Move and manage above, respectively along the Y direction and X using extraction window as coordinate plane, using the absolute center of extraction window as the coordinate system of origin
A pair of the x-ray circles and a pair of Y coils of direction of principal axis；First output end is connected with x-ray circle, the second output end is connected with Y coils rectifys
Positive supply；For the beam spot station acquisition device for the position for gathering the beam spot on extraction window；Input and beam spot station acquisition device
Output end connection, the controller that is connected of input of output end and correction power supply, for according to the determination of preset relation table and beam
The X corrective currents and Y corrective currents of the position correspondence of spot simultaneously control correction power supply to export X corrective currents to x-ray circle, export Y and rectify
Positive electricity flow to Y coils, with adjust the position of beam spot until beam spot position extraction window absolute center.
It is respectively used to it can be seen that the application is provided with to the x-ray circle of beam spot progress X-axis correction and for carrying out Y-axis to beam spot
The Y coils of correction, as long as so that inputting X corrective currents to x-ray circle, input Y corrective currents to Y coils just can change simultaneously
The magnetic force that electron stream is subject in X-axis and Y-axis, and then realize the purpose corrected automatically to beam spot in X-axis and Y-axis, a side
Face, step is simple, and operation difficulty is low, and on the other hand, without consuming substantial amounts of manpower, error is small and improves the work of accelerator
Efficiency.
As a kind of preferred embodiment, beam spot automatic straightening device also includes：
The memory cell being connected with controller 5, the X corrective currents and Y corrective currents finally determined for storage control 5
And now energy value corresponding to accelerator, correction electricity is directly determined according to the current energy value of accelerator so that controller 5 is follow-up
Stream.
Specifically, in order to further improve the operating efficiency of beam spot automatic straightening device, the application can will be every time by beam spot
X corrective currents and Y corrective currents when correcting to the absolute center of extraction window are stored to memory cell, while are also stored now
The energy value of accelerator, so that subsequent controllers 5 directly search whether when being corrected to beam spot from memory cell
In the presence of corrective current corresponding with current energy value, corresponding corrective current is exported if there is then direct control correction power supply 4,
Otherwise, corrective current is determined further according to preset relation table.
As a kind of preferred embodiment, correction power supply 4 is constant-current source.
Specifically, constant-current source is a kind of wide spectrum, high-precision AC stabilized current supply, has fast response time, constant current accuracy
The advantages of height, energy long-term stable operation, certainly, correction power supply 4 here can also be other kinds of power supply, and the application is herein
It is not particularly limited, the purpose of the application can be realized.
As a kind of preferred embodiment, controller 5 is programmable logic controller (PLC) PLC.
Specifically, PLC (Programmable Logic Controller, programmable logic controller (PLC)) has reliability
Height, strong antijamming capability, comprehensive, perfect in shape and function, the advantages of strong applicability, certainly, controller 5 here can also be it
The controller of his type, the application are not particularly limited herein, can realize the purpose of the application.
As a kind of preferred embodiment, beam spot station acquisition device 3 projects dielectric-slab for the beam spot of setting coordinate system.
Specifically, it is contemplated that beam spot is can't see on extraction window, therefore, beam spot dielectric-slab can be projected here and is placed on and drawn
Go out window position, to facilitate the position for obtaining beam spot.
In addition, when obtaining position, user directly can read beam spot by the coordinate system on beam spot projection dielectric-slab
Position and input to controller 5.
As a kind of preferred embodiment, beam spot projection dielectric-slab is glass or plastics.
Certainly, beam spot here projects dielectric-slab except that can be glass or plastics, can also be other kinds of Jie
Scutum, the application are not particularly limited herein.
As a kind of preferred embodiment, it is IMAQ recognition unit that beam spot station acquisition device 3, which also includes,.
It is above-mentioned have mention can taking human as read the position of beam spot, in order to further improve beam spot automatic straightening device from
Dynamicization degree and reading accuracy, the beam spot station acquisition device 3 in the application can also include IMAQ recognition unit, for adopting
With position of the image recognition technology automatic identification beam spot on beam spot projection dielectric-slab.
In order to solve the above technical problems, the utility model additionally provides a kind of accelerator, including beam spot described above is automatic
Rectifier.
Above-described embodiment is refer to for a kind of introduction of beam spot automatic straightening device provided by the utility model, this practicality is new
Type will not be repeated here.
It should be noted that in this manual, such as first and second or the like relational terms are used merely to one
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of beam spot automatic straightening device of accelerator, applied to accelerator, the accelerator includes extraction window, and its feature exists
In the beam spot automatic straightening device includes：
It is arranged on drift tube, respectively along the seat using extraction window as coordinate plane, using the absolute center of the extraction window as origin
Mark the Y direction of system and a pair of the x-ray circles and a pair of Y coils of X-direction；
The correction power supply that first output end is connected with the x-ray circle, the second output end is connected with the Y coils；
For the beam spot station acquisition device for the position for gathering the beam spot on the extraction window；
Input is connected with the output end of the beam spot station acquisition device, output end is connected with the input of the correction power supply
Controller, for determining the X corrective currents and Y corrective currents with the position correspondence of the beam spot according to preset relation table and controlling
The correction power supply exports the X corrective currents to the x-ray circle, the Y corrective currents is exported to the Y coils, with adjustment
The position of the beam spot until the beam spot position the extraction window absolute center.
2. beam spot automatic straightening device as claimed in claim 1, it is characterised in that the beam spot automatic straightening device also includes：
The memory cell being connected with the controller, the X corrective currents and Y correction electricity finally determined for storing the controller
Stream and now energy value corresponding to the accelerator, so that the controller is follow-up directly according to the present energy of the accelerator
Value determines corrective current.
3. beam spot automatic straightening device as claimed in claim 1, it is characterised in that the correction power supply is constant-current source.
4. beam spot automatic straightening device as claimed in claim 1, it is characterised in that the controller is programmable logic controller (PLC)
PLC。
5. the beam spot automatic straightening device as described in claim any one of 1-4, it is characterised in that the beam spot station acquisition device is
The beam spot of the coordinate system is set to project dielectric-slab.
6. beam spot automatic straightening device as claimed in claim 5, it is characterised in that beam spot projection dielectric-slab be glass or
Plastics.
7. beam spot automatic straightening device as claimed in claim 5, it is characterised in that the beam spot station acquisition device is also included for figure
As collection recognition unit.
8. a kind of accelerator, it is characterised in that including the beam spot automatic straightening device as described in claim any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779576.1U CN207053861U (en) | 2017-06-30 | 2017-06-30 | The beam spot automatic straightening device and accelerator of a kind of accelerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779576.1U CN207053861U (en) | 2017-06-30 | 2017-06-30 | The beam spot automatic straightening device and accelerator of a kind of accelerator |
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| Publication Number | Publication Date |
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| CN207053861U true CN207053861U (en) | 2018-02-27 |
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ID=61494585
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720779576.1U Active CN207053861U (en) | 2017-06-30 | 2017-06-30 | The beam spot automatic straightening device and accelerator of a kind of accelerator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107148140A (en) * | 2017-06-30 | 2017-09-08 | 中广核达胜加速器技术有限公司 | The beam spot automatic straightening device and accelerator of a kind of accelerator |
| CN110031887A (en) * | 2019-04-30 | 2019-07-19 | 清华大学 | Beam spot caliberating device and method |
-
2017
- 2017-06-30 CN CN201720779576.1U patent/CN207053861U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107148140A (en) * | 2017-06-30 | 2017-09-08 | 中广核达胜加速器技术有限公司 | The beam spot automatic straightening device and accelerator of a kind of accelerator |
| CN107148140B (en) * | 2017-06-30 | 2023-08-08 | 中广核达胜加速器技术有限公司 | Automatic beam spot corrector of accelerator and accelerator |
| CN110031887A (en) * | 2019-04-30 | 2019-07-19 | 清华大学 | Beam spot caliberating device and method |
| CN110031887B (en) * | 2019-04-30 | 2022-01-04 | 清华大学 | Electron beam spot calibration device and method |
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