CN107817511A - A kind of beam diagnostics high accuracy linear transmission - Google Patents
A kind of beam diagnostics high accuracy linear transmission Download PDFInfo
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- CN107817511A CN107817511A CN201711242594.7A CN201711242594A CN107817511A CN 107817511 A CN107817511 A CN 107817511A CN 201711242594 A CN201711242594 A CN 201711242594A CN 107817511 A CN107817511 A CN 107817511A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000000523 sample Substances 0.000 claims abstract description 35
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000003252 repetitive effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
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- Life Sciences & Earth Sciences (AREA)
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- Particle Accelerators (AREA)
Abstract
The invention discloses a kind of beam diagnostics high accuracy linear transmission, including probe, drive link, bellows, dynamic sealing, electric cylinders, grating scale；Wherein, the drive link is connected by screw with probe；Drive link passes through bellows and dynamic sealing, and bellows is connected with dynamic sealing by CF ultrahigh vacuum flanges；Drive link is sealed with dynamic sealing by O-ring seal；The reading head of the grating scale and the sliding block of electric cylinders connect；The electric cylinders are connected with drive link end, and the drive link does linear reciprocating motion under the driving of electric cylinders along guide sleeve.The present invention can install different types of detection target head using drive link front end, its measurement range can be adjusted according to using needs, the probe of drive link front end can measure Bunch current and positional information, so as to provide line reference information for the commissioning staff of line, accelerator stable and high effective operation is realized, there is the characteristics of repetitive positioning accuracy is high, measurement is easy.
Description
Technical field
The invention belongs to accelerator beam current measurement technical field, is related to a kind of accelerator that is used for from accelerating region to draw-out area beam
Stream flows the measurement transmission device of strong/position, specifically a kind of beam diagnostics high accuracy linear transmission.
Background technology
Beam diagnostics is one of accelerator important component.It understands acceleration implements to optimization machine performance and deeply
Reason problem is particularly significant.Beam diagnostics device is the eyes of accelerator, can debug the stage in accelerator to adjust beam personnel to provide
The stream of line is strong and positional information, and gives person skilled important reference.Present various accelerator installations are accelerated
Development and research, it is also a critically important task to invent a kind of high-precision, efficient beam current measurement device.
Application CN201310507655.3 discloses a kind of line detection and analytical equipment, to solve the biography of ultra-low energy line
Line caused by defeated, extraction electrode or the situation that transmitting device position has been deviateed, transmission path is long is accurately measured and divided
Analysis problem；But above-mentioned technology can not still meet current measurement needs on the kind of drive, measurement accuracy and metering system.
The content of the invention
It is an object of the invention to provide one kind to be used for accelerator beam diagnostics high accuracy linear transmission, has measurement
The characteristics of precision is high, simple in construction, can solve the above problems to a certain extent, the device can accurate measurement from accelerator
Accelerating region provides beam current measurement service to the strong information of beam position/stream of draw-out area for debugging accelerator early stage and later maintenance,
Its measuring principle is simple and reliable, and feasibility is high, it is easy to operate the advantages that.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of beam diagnostics high accuracy linear transmission, including probe, drive link, bellows, dynamic sealing, electric cylinders, light
Grid chi；Wherein, the drive link is connected by screw with probe；Drive link passes through bellows and dynamic sealing, bellows and dynamic close
Envelope is connected by CF ultrahigh vacuum flange；Drive link is sealed with dynamic sealing by O-ring seal；The reading head of the grating scale with
The sliding block connection of electric cylinders；The electric cylinders are connected with drive link end, and the drive link is done under the driving of electric cylinders along guide sleeve
Linear reciprocating motion.
The grating scale feedback compensation distance arrives electric cylinders；Electric cylinders and grating scale are fixed by screws in support adjustment mechanism
On, support adjustment mechanism is fixed on outside accelerator.
The drive link passes through bellows and dynamic sealing, is moved forward and backward along dynamic sealing；Described bellows one end is with adding
Fast device beam surveys passage connection, and the other end is connected with dynamic sealing.
The dynamic sealing is connected with the end flange of bellows, and circular hole passes through the transmission to match therewith among dynamic sealing
Bar；The electric cylinders electric cylinders driving drive link is moved along a straight line along unique direction, while electric cylinders provide different motion speed
Degree and motor pattern.
The support adjustment mechanism is connected with electric cylinders, grating scale, and the height of its supporting plane ensures measuring center same
In horizontal plane.
The drive link front end connects with probe, drive link Linear transmission under the driving of electric cylinders, and electric cylinders promote drive link
Stretch into inside accelerator, probe is sent to different positions, so as to be measured in real time, obtain the stream of line and believe with position by force
Breath.
The electric cylinders drive drive link to be moved forward and backward in rectilinear direction, and institute's speed of service ensures in 2-100mm/s；It is described
Electric cylinders repetitive positioning accuracy is 0.02mm；The grating scale precision is ± 0.005mm, and it measures the stroke of electric cylinders motion and to electricity
Cylinder provides compensation.
The bellows is connected with the sealing flange of accelerator Measurement channel, and drive link is through dynamic sealing and connects, and is ensured
The vacuum environment of accelerator is not destroyed, and ensures that whole device leak rate is less than 1.0 × 10-10Pa.m3/s。
The drive link tail end is provided with spininess feedthrough, and different types of probe, target are changed in front end as needed
For the signal wire of head by being connected inside drive link with feedthrough, feedthrough is connected completion with electronics relevant device
Signal acquisition works, and so as to obtain, the stream of line is strong and positional information.
The probe measurement mode of the transmission device is：Electric cylinders promote drive link to stretch into inside accelerator；Drive link front end
Probe moves along a straight line under the promotion of electric cylinders along dynamic sealing, is obtained not by adjusting electric cylinders pace and motor pattern
Same metering system, the probe of difference in functionality is changed in drive link front end as needed；Probe can measure line stream is strong and position
Confidence ceases, so as to carry out the debugging of line.
Beneficial effects of the present invention：The present invention can install different types of detection target head using drive link front end, and it is measured
Scope can be according to using needing to be adjusted, and the probe of drive link front end can measure Bunch current and positional information, so as to
Line reference information is provided for the commissioning staff of line, realizes accelerator stable and high effective operation, there is repetitive positioning accuracy height, survey
Measure the characteristics of easy.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is a kind of beam diagnostics high accuracy linear transmission isometric side view of the present invention；
Fig. 2 is a kind of bellows schematic diagram of beam diagnostics high accuracy linear transmission of the present invention；
Fig. 3 is a kind of dynamic sealing schematic diagram of beam diagnostics high accuracy linear transmission of the present invention；
Label in figure：1- probes, 2- drive links, 3- bellowss, 4- dynamic sealings, 5- electric cylinders, 6- grating scales, 7- support regulation
Mechanism, 9-O types sealing ring, 10- guide sleeves.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, rather than whole embodiments.It is general based on the embodiment in the present invention, this area
All other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to what the present invention protected
Scope.
A kind of beam diagnostics high accuracy linear transmission, including probe 1, drive link 2, bellows 3, dynamic sealing 4, electric cylinders
5th, grating scale 6, support adjustment mechanism 7, referring to Fig. 1-3；
Wherein, support adjustment mechanism 7 is fixed on outside accelerator, and drive link 2 is connected by screw with probe 1；Drive link 2
Through bellows 3 and dynamic sealing 4, bellows 3 is connected with dynamic sealing 4 by CF ultrahigh vacuum flanges, bellows 3 and Measurement channel
Connection；Drive link 2 is sealed with dynamic sealing 4 by O-ring seal 9；Drive link 2 is done under the driving of electric cylinders 5 along guide sleeve 10
Linear reciprocating motion；Grating scale 6 can arrive electric cylinders 5 with feedback compensation distance；Electric cylinders 5 and grating scale 6 are fixed by screws in support
On governor motion 7, height of table governor motion come be adjusted to need height, ensure that overall measurement apparatus is located at same level
Face.
Specifically, the probe 1 is connected by screw with drive link 2, can change different type, work(according to measurement demand
The probe of energy；The drive link 2 is connected with probe, and drive link 2 passes through bellows 3 and dynamic sealing 4, can advanced along dynamic sealing
And retrogressing；Described one end of bellows 3 beam related to accelerator surveys passage connection, and the other end is connected with dynamic sealing；The dynamic sealing 4
It is to be connected with the end flange of bellows 3, circular hole passes through the drive link to match therewith among dynamic sealing；The electric cylinders 5 and transmission
The end of bar 2 is connected, and electric cylinders can drive drive link to be moved along a straight line along unique direction, while electric cylinders can also provide not
Same movement velocity and motor pattern (motor pattern, which refers to electric cylinders, can continuously move and two kinds of motor patterns of crawl)；The grating
The reading head of chi 6 is connected with electric cylinders top shoe；The support adjustment mechanism 7 is connected with electric cylinders, grating scale, its supporting plane
Height can be adjusted as needed, ensure measuring center in same level.
The front end of drive link 2 is connected with probe 1, the Linear transmission under the driving of electric cylinders 5 of drive link 2, and electric cylinders 5 promote drive link
2 are stretched into inside accelerator, and probe is sent into different positions, so as to be measured in real time, obtain line stream is strong and position
Information, reference is provided for commissioning staff.
Electric cylinders 5 drive drive link 2 to be moved forward and backward in rectilinear direction, and institute's speed of service can ensure, in 2-100mm/s, to protect
Caused mechanical disturbance is preferably minimized in card drive link motion process；The repetitive positioning accuracy of electric cylinders 5 can reach 0.02mm, to survey
Amount device provides high-precision feature, and flexible adjustment electric cylinders movement velocity and motor pattern can be needed according to measurement come complete
Into more accurate measurement.
The reading head of grating scale 6 is connected with electric cylinders sliding block, and grating scale precision is ± 0.005mm, and it can measure electric cylinders motion
Stroke and give electric cylinders provide compensation, make electric cylinders advance distance it is more accurate, improve to a certain extent device measurement essence
Degree.
Bellows 3 is connected with the sealing flange of accelerator Measurement channel, and drive link is through dynamic sealing and connects, it is ensured that
The vacuum environment of accelerator is not destroyed.The structure can ensure that whole device leak rate is less than 1.0 × 10-10Pa.m3/s。
The drive link is provided with spininess feedthrough with popping one's head in for the design that can be changed, drive link tail end.Front end
Different types of probe can be changed as needed, and the signal wire of target head can be by connecting inside drive link with feedthrough
Connect, feedthrough is connected with electronics relevant device completes signal acquisition work, and so as to obtain, the stream of line is strong and position is believed
Breath.
There are three O-ring seals and guide sleeve inside dynamic sealing, O-ring plays vacuum-packed function, and guide sleeve is to protect
Unique function of the drive link direction of motion is demonstrate,proved, the high accuracy of device is ensure that in the axial direction and can flexibly run.
Described drive link, electric cylinders are arranged on highly adjustable adjustable supporting mechanism, are strengthened support strength and are subtracted
Few disturbance of the single unit system in motion process, while the target head that can flexibly adjust drive link front end is centrally located at and needs to survey
The horizontal plane of amount.
The support adjustment mechanism is connected with accelerator, and support adjustment mechanism includes adjustable plate, bottom plate, installing plate and four
The individual screw arbor assembly that can adjust height；Installing plate is bolted on accelerator, and bottom plate is connected with installing plate, and adjustable plate passes through
Screw arbor assembly is arranged on bottom plate, and electric cylinders, the support of dynamic sealing and grating scale are arranged on adjustable plate；
The probe measurement mode of the transmission device is：Electric cylinders promote drive link to stretch into inside accelerator；Drive link front end
Probe moves along a straight line under the promotion of electric cylinders along dynamic sealing, can be obtained by adjusting electric cylinders pace and motor pattern
Different metering systems is obtained, drive link front end can change the probe of difference in functionality as needed；Probe can measure line
Strong and positional information is flowed, so as to carry out the debugging of line, important beam parameters is provided for debugging and attendant, realizes acceleration
Device stable and high effective operation.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (10)
1. a kind of beam diagnostics high accuracy linear transmission, it is characterised in that including probe (1), drive link (2), bellows
(3), dynamic sealing (4), electric cylinders (5), grating scale (6)；
Wherein, the drive link (2) is connected by screw with probe (1)；Drive link (2) passes through bellows (3) and dynamic sealing
(4), bellows (3) is connected with dynamic sealing (4) by CF ultrahigh vacuum flanges；Drive link (2) passes through O-shaped close with dynamic sealing (4)
Seal (9) seals；
The reading head of the grating scale (6) is connected with the sliding block of electric cylinders (5)；The electric cylinders (5) are connected with drive link (2) end,
The drive link (2) does linear reciprocating motion under the driving of electric cylinders (5) along guide sleeve (10).
A kind of 2. beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the grating scale
(6) feedback compensation distance arrives electric cylinders (5)；Electric cylinders (5) and grating scale (6) are fixed by screws on support adjustment mechanism (7), branch
Support governor motion (7) is fixed on outside accelerator.
A kind of 3. beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the drive link
(2) bellows (3) and dynamic sealing (4) are passed through, is moved forward and backward along dynamic sealing；Described bellows (3) one end and accelerator beam
Passage connection is surveyed, the other end is connected with dynamic sealing.
A kind of 4. beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the dynamic sealing
(4) it is to be connected with the end flange of bellows (3), circular hole passes through the drive link to match therewith among dynamic sealing；The electric cylinders (5)
Electric cylinders driving drive link (2) is moved along a straight line along unique direction, while electric cylinders provide different movement velocitys and motion
Pattern.
5. a kind of beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the support is adjusted
Section mechanism (7) is connected with electric cylinders, grating scale, and the height of its supporting plane ensures measuring center in same level.
A kind of 6. beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the drive link
(2) front end is connected with probe (1), drive link (2) Linear transmission under the driving of electric cylinders (5), and electric cylinders (5) promote drive link (2)
Stretch into inside accelerator, probe is sent to different positions, so as to be measured in real time, obtain the stream of line and believe with position by force
Breath.
A kind of 7. beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the electric cylinders
(5) drive link (2) is driven to be moved forward and backward in rectilinear direction, institute's speed of service ensures in 2-100mm/s；Electric cylinders (5) weight
Multiple positioning precision is 0.02mm；Grating scale (6) precision is ± 0.005mm, and it measures the stroke of electric cylinders motion and gives electric cylinders
Compensation is provided.
A kind of 8. beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the bellows
(3) sealing flange with accelerator Measurement channel is connected, and drive link is through dynamic sealing and connects, and ensures the vacuum environment of accelerator
It is not destroyed, ensures that whole device leak rate is less than 1.0 × 10-10Pa.m3/s。
A kind of 9. beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the drive link
Tail end is provided with spininess feedthrough, and different types of probe is changed in front end as needed, and the signal wire of target head passes through transmission
It is connected inside bar with feedthrough, feedthrough is connected with electronics relevant device completes signal acquisition work, so as to
Obtain line stream is strong and positional information.
10. a kind of beam diagnostics high accuracy linear transmission according to claim 1, it is characterised in that the transmission fills
The probe measurement mode put is：Electric cylinders promote drive link to stretch into inside accelerator；Promotion of the probe of drive link front end in electric cylinders
Under moved along a straight line along dynamic sealing, obtain different metering systems by adjusting electric cylinders pace and motor pattern, pass
The probe of difference in functionality is changed as needed in lever front end；Probe can measure line stream is strong and positional information, so as to carry out
The debugging of line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711242594.7A CN107817511A (en) | 2017-11-30 | 2017-11-30 | A kind of beam diagnostics high accuracy linear transmission |
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| CN201711242594.7A CN107817511A (en) | 2017-11-30 | 2017-11-30 | A kind of beam diagnostics high accuracy linear transmission |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496053A (en) * | 2018-12-26 | 2019-03-19 | 合肥中科离子医学技术装备有限公司 | A kind of regulating device for cyclotron electrostatic deflection plates |
| CN110632049A (en) * | 2019-09-25 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Beam profile parameter measuring device based on combination of fluorescent target and CCD camera |
| CN110753436A (en) * | 2019-10-18 | 2020-02-04 | 合肥聚能电物理高技术开发有限公司 | Plasma density real-time measuring mechanism for plasma device |
| CN110778564A (en) * | 2019-10-24 | 2020-02-11 | 中国科学院近代物理研究所 | Automatic reset vacuum transmission device |
| CN111308540A (en) * | 2019-10-15 | 2020-06-19 | 北京烁科中科信电子装备有限公司 | Telescopic device for transmitting Faraday cylinder probe |
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| CN107329166A (en) * | 2017-08-22 | 2017-11-07 | 合肥中科离子医学技术装备有限公司 | One kind is used for superconducting cyclotron draw-out area beam current measurement and detects target head |
| CN207473099U (en) * | 2017-11-30 | 2018-06-08 | 合肥中科离子医学技术装备有限公司 | A kind of beam diagnostics high-precision linear transmission |
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| CN106371131A (en) * | 2016-10-18 | 2017-02-01 | 中国原子能科学研究院 | Emittance instrument for ion source beam diagnosis and emittance detection method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496053A (en) * | 2018-12-26 | 2019-03-19 | 合肥中科离子医学技术装备有限公司 | A kind of regulating device for cyclotron electrostatic deflection plates |
| CN110632049A (en) * | 2019-09-25 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Beam profile parameter measuring device based on combination of fluorescent target and CCD camera |
| CN110632049B (en) * | 2019-09-25 | 2022-06-24 | 中国科学院合肥物质科学研究院 | Beam profile parameter measuring device based on combination of fluorescent target and CCD camera |
| CN111308540A (en) * | 2019-10-15 | 2020-06-19 | 北京烁科中科信电子装备有限公司 | Telescopic device for transmitting Faraday cylinder probe |
| CN110753436A (en) * | 2019-10-18 | 2020-02-04 | 合肥聚能电物理高技术开发有限公司 | Plasma density real-time measuring mechanism for plasma device |
| CN110778564A (en) * | 2019-10-24 | 2020-02-11 | 中国科学院近代物理研究所 | Automatic reset vacuum transmission device |
| CN110778564B (en) * | 2019-10-24 | 2022-05-31 | 中国科学院近代物理研究所 | Automatic reset vacuum transmission device |
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