CN106772145A - 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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- CN106772145A CN106772145A CN201710120787.9A CN201710120787A CN106772145A CN 106772145 A CN106772145 A CN 106772145A CN 201710120787 A CN201710120787 A CN 201710120787A CN 106772145 A CN106772145 A CN 106772145A
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- sensor
- slide plate
- sliding block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0005—Geometrical arrangement of magnetic sensor elements; Apparatus combining different magnetic sensor types
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
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Abstract
The present invention 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；Sliding block of the servomotor drive installation on the leading screw moves along a straight line up and down, described filament one end is fixed on the sliding block, the other end bypasses the fixed pulley and reaches 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 present invention has the advantages that compact conformation, registration, simple to operate, measurement be accurate, automatic data collection, is that magnet field shim and ion beam current dynamics calculation provide important and accurate data.
Description
Technical field
The invention belongs to measuring magnetic field of cyclotron technical field, more particularly to a kind of compact cyclotron magnetic field
Measuring 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 the line of stabilization, 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 mismachining tolerance is there is also 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 translation coil.This device is not only existed
The low problem of certainty of measurement, and system takes up space than larger, is not appropriate for the measurement with compact cyclotron magnetic field.
The content of the invention
It is an object of the invention to provide a kind of compact conformation, registration, it is simple to operate, measurement precisely, automatic data collection
The compact superconducting cyclotron magnetic survey sensor radial motion device of data, is mainly used in measuring midplane vertical direction magnetic strength
Intensity Bz values and radial direction magnetic induction density B r values are answered, Hall sensor positioning during cyclotron magnetic field magnetic survey is solved
The problems such as 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 the present invention 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 drives peace
Sliding block on the leading screw is moved along a straight line up and down, and 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 the sensor slide plate to carry the Hall sensor close to the physics center of circle in magnetic field；Conversely, to away 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 slide block of sensor
Front and back end, spacing is 50mm；Smooth chi installation parallel with the sensor slide plate.
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.
Test panel is provided with the magnetic field midplane, the assembly pulley being made up of three pulleys is installed on the test panel,
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 formed a closed-loop system.
Using being non-permeable material, its length is 4.5m to the data line.
The filament is a kind of polyester fiber non-permeable material, a diameter of φ 1mm, and length is 2.85m.
Beneficial effects of the present invention：Present invention is mainly used for measurement midplane vertical direction magnetic induction density B z values and radially
Direction magnetic induction density B r values, mode is combined using motor driven systems and alignment system, realizes Hall sensor in side
Being accurately positioned in parallactic angle；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.
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 compact superconducting cyclotron magnetic survey sensor radial motion apparatus structure schematic diagram of the invention；
Fig. 2 moves towards schematic diagram for filament closed-loop system of the present invention；
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.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only a part of embodiment of the invention to apply example, rather than whole embodiments.Based on the embodiment in the present invention, this area is general
All other embodiment that logical technical staff is obtained under the premise of creative work is not made, belongs to present invention protection
Scope.
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, is used 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 10
On；
Servomotor 13 drives sliding block 11 to be 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 reached at the midplane of magnetic field after bypassing fixed pulley 12, and test panel is provided with the midplane of magnetic field, is installed on the test panel
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 are turned to and are changed into horizontal direction, are connected on sensor slide plate 1, finally bypassed assembly pulley 5, are determined
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 slide block of sensor 1
Front and back end, spacing is 50mm, is used to improve magnetic-field measurement efficiency；(light chi 2 includes light chi 2 with the parallel installation of sensor slide plate 1
Blade and chi head, chi head are arranged on sensor slide plate, and as sensor slide plate is moved, blade is fixedly mounted on test panel),
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 -50mm to 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 is used
Material, data acquisition unit 7 has antimagnetic function, and its length is 4.5m.Hall sensor 3 often moves a step-length of 1mm, 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 are installed, for fine described in real-time pretension in above-mentioned technical proposal on sliding block 11
Dimension silk 4, 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
It is 2.85m to spend.Technical solution of the present invention is mainly used in measuring midplane vertical direction magnetic induction density B z values and radial direction magnetic
Induction Br values, have the advantages that compact conformation, registration, it is simple to operate, measurement precisely, automatic data collection, be magnetic
Have a snack and provide important and accurate data with ion beam current dynamics calculation in field.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All of details is described, it is only described specific embodiment that the invention is not limited yet.Obviously, according to the content of this specification,
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 (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 reaches 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 passes
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 slide block of sensor (1)
Front and back end, spacing is 50mm；The smooth chi (2) installation parallel with the sensor slide plate (1).
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：
Test panel is provided with the magnetic field midplane, the assembly pulley (5) being made up of three pulleys is installed on the test panel, 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
It is horizontal direction, 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：
Using being non-permeable material, its length is 4.5m to the data line (6).
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120787.9A CN106772145A (en) | 2017-03-02 | 2017-03-02 | Compact superconducting cyclotron magnetic survey sensor radial motion device |
| PCT/CN2017/115354 WO2018157645A1 (en) | 2017-03-02 | 2017-12-09 | Apparatus for radial movement of magnetic measurement sensor for compact superconducting cyclotron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120787.9A CN106772145A (en) | 2017-03-02 | 2017-03-02 | Compact superconducting cyclotron magnetic survey sensor radial motion device |
Publications (1)
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| CN106772145A true CN106772145A (en) | 2017-05-31 |
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| CN201710120787.9A Pending CN106772145A (en) | 2017-03-02 | 2017-03-02 | Compact superconducting cyclotron magnetic survey sensor radial motion device |
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| WO (1) | WO2018157645A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702649A (en) * | 2017-11-24 | 2018-02-16 | 中国工程物理研究院流体物理研究所 | A kind of hall probe high precision position acquisition device |
| CN107797080A (en) * | 2017-12-12 | 2018-03-13 | 合肥中科离子医学技术装备有限公司 | The apparatus and method of Hall sensor calibration demarcation are realized using NMR equipment |
| CN107843865A (en) * | 2017-12-12 | 2018-03-27 | 合肥中科离子医学技术装备有限公司 | The calibrating installation and method of cyclotron geomagnetic survey system are realized based on electromagnetic induction |
| 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 |
| CN108770180A (en) * | 2018-06-27 | 2018-11-06 | 中国原子能科学研究院 | The stripping target kinetic control system and its control method of accelerator |
| WO2019010945A1 (en) * | 2017-07-12 | 2019-01-17 | 合肥中科离子医学技术装备有限公司 | Cyclotron magnetic field measurement system based on detection coil and measurement method therefor |
| CN109239626A (en) * | 2018-09-20 | 2019-01-18 | 中国原子能科学研究院 | A kind of superconducting cyclotron magnetic field measuring device |
| CN110736943A (en) * | 2018-07-21 | 2020-01-31 | 中国原子能科学研究院 | Measurement control method for high-precision magnetic field of multi-thread double-probe superconducting cyclotron |
| CN113345674A (en) * | 2021-05-10 | 2021-09-03 | 中国原子能科学研究院 | Superconducting radial thick coil for superconducting cyclotron and winding and dipping method thereof |
| CN116256676A (en) * | 2023-01-09 | 2023-06-13 | 中国科学院近代物理研究所 | Device and method for measuring isochronal magnetic field of cyclotron magnet |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2019010945A1 (en) * | 2017-07-12 | 2019-01-17 | 合肥中科离子医学技术装备有限公司 | Cyclotron magnetic field measurement system based on detection coil and measurement method therefor |
| CN107702649A (en) * | 2017-11-24 | 2018-02-16 | 中国工程物理研究院流体物理研究所 | A kind of hall probe high precision position acquisition device |
| CN107702649B (en) * | 2017-11-24 | 2024-03-15 | 中国工程物理研究院流体物理研究所 | Hall probe high-precision position acquisition device |
| CN107797080B (en) * | 2017-12-12 | 2023-06-06 | 合肥中科离子医学技术装备有限公司 | Device for realizing Hall sensor calibration by adopting NMR (nuclear magnetic resonance) equipment |
| CN107797080A (en) * | 2017-12-12 | 2018-03-13 | 合肥中科离子医学技术装备有限公司 | The apparatus and method of Hall sensor calibration demarcation are realized using NMR equipment |
| CN107843865A (en) * | 2017-12-12 | 2018-03-27 | 合肥中科离子医学技术装备有限公司 | The calibrating installation and method of cyclotron geomagnetic survey system are realized based on electromagnetic induction |
| CN108770180A (en) * | 2018-06-27 | 2018-11-06 | 中国原子能科学研究院 | The stripping target kinetic control system and its control method of accelerator |
| CN110736943A (en) * | 2018-07-21 | 2020-01-31 | 中国原子能科学研究院 | Measurement control method for high-precision magnetic field of multi-thread double-probe superconducting cyclotron |
| CN110736943B (en) * | 2018-07-21 | 2020-07-28 | 中国原子能科学研究院 | Measurement control method for high-precision magnetic field of multi-thread double-probe superconducting cyclotron |
| CN109239626A (en) * | 2018-09-20 | 2019-01-18 | 中国原子能科学研究院 | A kind of superconducting cyclotron magnetic field measuring device |
| CN113345674A (en) * | 2021-05-10 | 2021-09-03 | 中国原子能科学研究院 | Superconducting radial thick coil for superconducting cyclotron and winding and dipping method thereof |
| CN116256676A (en) * | 2023-01-09 | 2023-06-13 | 中国科学院近代物理研究所 | Device and method for measuring isochronal magnetic field of cyclotron magnet |
| CN116256676B (en) * | 2023-01-09 | 2023-10-31 | 中国科学院近代物理研究所 | Device and method for measuring isochronal magnetic field of cyclotron magnet |
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| WO2018157645A1 (en) | 2018-09-07 |
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Application publication date: 20170531 |