CN206546423U - Compact superconducting cyclotron magnetic survey sensor radial motion device - Google Patents
Compact superconducting cyclotron magnetic survey sensor radial motion device Download PDFInfo
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- CN206546423U CN206546423U CN201720198009.7U CN201720198009U CN206546423U CN 206546423 U CN206546423 U CN 206546423U CN 201720198009 U CN201720198009 U CN 201720198009U CN 206546423 U CN206546423 U CN 206546423U
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Abstract
The utility model discloses a kind of compact superconducting cyclotron magnetic survey sensor radial motion device, including sensor slide plate, light chi, Hall sensor, filament, leading screw, sliding block, fixed pulley, servomotor, data line, data acquisition unit；The servomotor drive installation moves along a straight line above and below the sliding block on the leading screw, described filament one end is fixed on the sliding block, the other end bypasses the fixed pulley and reached at the midplane of magnetic field, steering is changed into horizontal direction and is connected on the sensor slide plate, it is final to bypass fixed pulley, form a closed-loop system；The sensor slide plate is provided with the Hall sensor；The data line connects the Hall sensor and the data acquisition unit.The utility model have the advantages that compact conformation, registration, it is simple to operate, measurement precisely, automatic data collection, be that magnet field shim and ion beam current dynamics calculation provide important and accurate data.
Description
Technical field
The utility model belongs to measuring magnetic field of cyclotron technical field, more particularly to a kind of compact cyclotron
Magnetic field measurement system sensor radial motion device.
Background technology
Cyclotron has a wide range of applications in the field of nuclear medicine, especially in radiopharmaceutical pharmacy, oncotherapy
It is significant Deng field.Substantial amounts of investigation and reality have been done to developing compact superconducting cyclotron in Hefei ion medical center
Test work.The host computer system of superconducting cyclotron is used to draw stable line, and the electromagnetic field halved tie stream of resonator is added
Speed, and the motion of line needs the constraint of isochronous magnetic field.In order to ensure to provide isochronous magnetic field, it is necessary to cyclotron
Carry out magnetic-field measurement.Magnetic field is the considerable part of cyclotron, and magnetic field provides restraining force for the motion of line
And strong focusing force, its Waveform directly determines the performance of the cyclotron.In order to precisely measure out Distribution of Magnetic Field, mesh
Before, in low energy measuring magnetic field of cyclotron, the manual magnetic surveying device driven using gear is generally used, due to gear
There is gash spacing error in positioning, and there is also mismachining tolerance during Gear Processing, so the circumferentially positioned precision of gear is difficult to ensure that, most
Cause magnetic-field measurement error eventually.Simultaneously for compact cyclotron, internal air gap is very narrow and small, and operating space is limited, magnetic
Survey after device installation, check and correction and maintenance are all very difficult.
In addition,《Nuclear technology》The phase of Volume Four the 9th " magnetic-field measurement of HERA ring magnets of HERA Proton electronics ring magnets " text
Zhang Zhong, discloses a kind of device that magnetic field intensity is measured by the way of screw drive translates coil.This device is not only existed
The low problem of measurement accuracy, and system takes up space than larger, is not appropriate for the measurement with compact cyclotron magnetic field.
Utility model content
The purpose of this utility model is to provide a kind of compact conformation, registration, simple to operate, measurement precisely, automatically
The compact superconducting cyclotron magnetic survey sensor radial motion device of gathered data, is mainly used in measuring midplane vertical direction
Magnetic induction density B z values and radial direction magnetic induction density B r values, solve Hall sensor during cyclotron magnetic field magnetic survey
The problems such as position error is larger, precision is inadequate, is that magnet field shim and ion beam current dynamics calculation provide important and accurate
Data.
The purpose of this utility model can be achieved through the following technical solutions：
Compact superconducting cyclotron magnetic survey sensor radial motion device, including sensor slide plate, light chi, hall sensing
Device, filament, leading screw, sliding block, fixed pulley, servomotor, data line, data acquisition unit；The servomotor driving peace
Moved along a straight line above and below the sliding block on the leading screw, described filament one end is fixed on the sliding block, and the other end bypasses institute
State fixed pulley to reach at the midplane of magnetic field, steering is changed into horizontal direction and is connected on the sensor slide plate, finally bypasses and determines cunning
Wheel, forms a closed-loop system；The sensor slide plate is provided with the Hall sensor；The data line connection is described
Hall sensor and the data acquisition unit.
The servomotor drives the sliding block on the leading screw during upward vertical movement, and filament is pulled downward on, after
And to carry the Hall sensor close to the physics center of circle in magnetic field for the sensor slide plate；Conversely, to remote to center of circle direction
Motion, the scope that the Hall sensor is moved radially is that -50mm arrives 700mm.
The Hall sensor selects three axle Hall sensors, and quantity is two, is separately mounted to the sensor slide plate
Front and back end, spacing is 50mm；The smooth chi is parallel with the sensor slide plate to be installed.
Radome is installed outside the servomotor；The servomotor is fixed on accelerator main frame by flange,
Dust cover is also equipped with by the flange on accelerator main frame.
It is provided with the magnetic field midplane on test panel, the test panel and the assembly pulley being made up of three pulleys is installed,
Changed course pulley is installed in the one end of test panel, filament passes sequentially through assembly pulley, changed course pulley, assembly pulley and turns to and be changed into water
Square to, be connected on sensor slide plate, finally bypass assembly pulley, fixed pulley formation one closed-loop system.
The data line is using being non-permeable material, and its length is 4.5m.
The filament is a kind of polyester fiber non-permeable material, a diameter of φ 1mm, and length is 2.85m.
The beneficial effects of the utility model：The utility model is mainly used in measurement midplane vertical direction magnetic induction density B z
Value and radial direction magnetic induction density B r values, mode is combined using motor driven systems and alignment system, realizes Hall biography
Sensor being accurately positioned in azimuth；With compact conformation, registration, it is simple to operate, measurement precisely, automatic data collection
The advantages of, it is that magnet field shim and ion beam current dynamics calculation provide important and accurate data.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that being further described below in conjunction with the accompanying drawings to the utility model.
Fig. 1 is the compact superconducting cyclotron magnetic survey sensor radial motion apparatus structure schematic diagram of the utility model；
Fig. 2 is that the utility model filament closed-loop system moves towards schematic diagram；
Indicated in figure：1- sensors slide plate, 2- light chi, 3- Hall sensors, 4- filaments, 5- assembly pulleys, 6- data are passed
Defeated line, 7- data acquisition units, 8- flanges, 9- dust covers, 10- leading screws, 11- sliding blocks, 12- fixed pulleys, 13- servomotors, 14- screens
Cover cover.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with embodiment, it is clear that described
Embodiment be only a part of embodiment of the utility model, rather than whole embodiment.Based on the reality in the utility model
Example is applied, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
The scope protected in the utility model.
Compact superconducting cyclotron magnetic survey sensor radial motion device, referring to Fig. 1, its structure mainly includes sensor
Slide plate 1, light chi 2, Hall sensor 3, filament 4, assembly pulley 5, flange 8, dust cover 9, leading screw 10, sliding block 11, fixed pulley 12,
Servomotor 13, radome 14, data line 6, data acquisition unit 7；
First, radome 14 is installed outside servomotor 13, to protect motor not influenceed by high-intensity magnetic field；Servomotor
13 are fixed on accelerator main frame by flange 8；The power transmission shaft of servomotor 13 is connected with sliding block 11, and sliding block 11 is arranged on leading screw
On 10；
The driving sliding block 11 of servomotor 13 is moved along a straight line on leading screw 10, and the one end of filament 4 is fixed on sliding block 11,
The other end is bypassed and reached after fixed pulley 12 at the midplane of magnetic field, is provided with test panel, the test panel and is installed at the midplane of magnetic field
There is the assembly pulley 5 being made up of three pulleys, changed course pulley is installed in the one end of test panel, filament 4 passes sequentially through pulley
Group 5, changed course pulley, assembly pulley 5 turn to and are changed into horizontal direction, are connected on sensor slide plate 1, finally bypass assembly pulley 5, determine
Pulley 12 is connected on sliding block 11, forms closed-loop system (referring in Fig. 2 shown in arrow a-b-c-d-e)；
Hall sensor 3 is installed on the sensor slide plate 1, because accelerator magnetic survey space is very limited, therefore,
The size of Hall sensor 3 is smaller, and selection is three axle Hall sensors, and quantity is two, is separately mounted to sensor slide plate 1
Front and back end, spacing is 50mm, to improve magnetic-field measurement efficiency；(light chi 2 is wrapped the installation parallel with sensor slide plate 1 of light chi 2
Blade and chi head are included, chi head is arranged on sensor slide plate, as sensor slide plate is moved, blade is fixedly mounted on test panel
On), it is accurately positioned the position of sensor slide plate, it is ensured that sensor moves radially precision.
When the upward vertical movement on leading screw 10 of sliding block 11, right fiber silk 4 is pulled downward on, then sensor slide plate 1
The physics center of circle that Hall sensor 3 is carried to magnetic field is close；Conversely, being moved to away from center of circle direction, Hall sensor 3 is realized
Radial motion on the midplane of magnetic field；The scope that Hall sensor 3 is moved radially is that -50mm arrives 700mm, i.e., reversely exceed circle
At heart 50mm, the distance measure is for secondary checking magnetic field value.
Hall sensor 3 connects data acquisition unit 7 by data line 6, and it is non-magnetic material that data line, which is used,
Material, data acquisition unit 7 has antimagnetic function, and its length is 4.5m.Hall sensor 3 often moves 1mm step-length, and data are adopted
Storage 7 then records the important informations such as position coordinates, angle position, magnetic induction intensity value, the temperature value of the point, is next step magnetic field
Have a snack analysis and important references are provided.
Dust cover 9 is connected on accelerator main frame by flange 8, is that following device (leading screw 10, fixed pulley 12) is carried
For the strong point；Dust cover 9 protects radial movement mechanism to be polluted from dust, it is ensured that the position essence of Hall sensor radial motion
Degree,
Further, automatic pre-tightening apparatus is installed, for fine described in real-time pretension in above-mentioned technical proposal on sliding block 11
Silk 4 is tieed up, prevents it from being skidded in motion process, so as to ensure measurement progress and precision.Further, the application is using material
Magnetic conductivity is respectively less than 1；In above-mentioned technical proposal, filament 4 is a kind of polyester fiber non-permeable material, and a diameter of φ 1mm are long
Spend for 2.85m.Technical solutions of the utility model are mainly used in measurement midplane vertical direction magnetic induction density B z values and radial direction side
To magnetic induction density B r values, have the advantages that compact conformation, registration, it is simple to operate, measurement precisely, automatic data collection,
It is that magnet field shim and ion beam current dynamics calculation provide important and accurate data.
The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only described embodiment that the utility model is not limited yet.Obviously, according to this theory
The content of bright book, can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably
Principle of the present utility model and practical application are explained, so that skilled artisan can be best understood by and utilize this
Utility model.The utility model is only limited by claims and its four corner and equivalent.
Claims (7)
1. compact superconducting cyclotron magnetic survey sensor radial motion device, it is characterised in that：Including sensor slide plate (1),
Light chi (2), Hall sensor (3), filament (4), leading screw (10), sliding block (11), fixed pulley (12), servomotor (13), number
According to transmission line (6), data acquisition unit (7)；
Sliding block (11) of servomotor (13) drive installation on the leading screw (10) moves along a straight line up and down, the filament
(4) one end is fixed on the sliding block (11), and the other end bypasses the fixed pulley (12) and reached at the midplane of magnetic field, and steering is changed into
Horizontal direction is connected on the sensor slide plate (1), finally bypasses fixed pulley (12), forms a closed-loop system；
The sensor slide plate (1) is provided with the Hall sensor (3)；The data line (6) connects the Hall and passed
Sensor (3) and the data acquisition unit (7).
2. compact superconducting cyclotron magnetic survey sensor radial motion device according to claim 1, it is characterised in that：
The servomotor (13) drives the sliding block (11) on the leading screw (10) during upward vertical movement, and filament (4) is downwards
Pull, then the sensor slide plate (1) to carry the Hall sensor (3) close to the physics center of circle in magnetic field；Conversely, to remote
Descriscent center of circle direction is moved, and the scope that the Hall sensor (3) moves radially is that -50mm arrives 700mm.
3. compact superconducting cyclotron magnetic survey sensor radial motion device according to claim 1, it is characterised in that：
The Hall sensor (3) selects three axle Hall sensors, and quantity is two, is separately mounted to the sensor slide plate (1)
Front and back end, spacing is 50mm；The smooth chi (2) is parallel with the sensor slide plate (1) to install.
4. compact superconducting cyclotron magnetic survey sensor radial motion device according to claim 1, it is characterised in that：
Radome (14) is installed outside the servomotor (13)；The servomotor (13) is fixed on accelerator master by flange (8)
On machine, dust cover (9) is also equipped with by the flange (8) on accelerator main frame.
5. compact superconducting cyclotron magnetic survey sensor radial motion device according to claim 1, it is characterised in that：
It is provided with the magnetic field midplane on test panel, the test panel and the assembly pulley (5) being made up of three pulleys is installed, in test
The one end of disk is provided with changed course pulley, and filament (4) passes sequentially through assembly pulley (5), changed course pulley, assembly pulley (5) and turns to and become
For horizontal direction, it is connected on sensor slide plate (1), finally bypasses assembly pulley (5), fixed pulley (12) and be connected to sliding block (11)
On, form a closed-loop system.
6. compact superconducting cyclotron magnetic survey sensor radial motion device according to claim 1, it is characterised in that：
The data line (6) is using being non-permeable material, and its length is 4.5m.
7. compact superconducting cyclotron magnetic survey sensor radial motion device according to claim 1, it is characterised in that：
The filament (4) is a kind of polyester fiber non-permeable material, a diameter of φ 1mm, and length is 2.85m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198009.7U CN206546423U (en) | 2017-03-02 | 2017-03-02 | Compact superconducting cyclotron magnetic survey sensor radial motion device |
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|---|---|---|---|
| CN201720198009.7U CN206546423U (en) | 2017-03-02 | 2017-03-02 | Compact superconducting cyclotron magnetic survey sensor radial motion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772145A (en) * | 2017-03-02 | 2017-05-31 | 合肥中科离子医学技术装备有限公司 | Compact superconducting cyclotron magnetic survey sensor radial motion device |
| CN113038686A (en) * | 2021-03-15 | 2021-06-25 | 合肥中科离子医学技术装备有限公司 | Device for maintaining ion source of superconducting cyclotron |
-
2017
- 2017-03-02 CN CN201720198009.7U patent/CN206546423U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772145A (en) * | 2017-03-02 | 2017-05-31 | 合肥中科离子医学技术装备有限公司 | Compact superconducting cyclotron magnetic survey sensor radial motion device |
| WO2018157645A1 (en) * | 2017-03-02 | 2018-09-07 | 合肥中科等离子医学技术装备有限公司 | Apparatus for radial movement of magnetic measurement sensor for compact superconducting cyclotron |
| CN113038686A (en) * | 2021-03-15 | 2021-06-25 | 合肥中科离子医学技术装备有限公司 | Device for maintaining ion source of superconducting cyclotron |
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