CN108549043A - A kind of cyclotron magnetic survey hall probe temperature control equipment - Google Patents
A kind of cyclotron magnetic survey hall probe temperature control equipment Download PDFInfo
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- CN108549043A CN108549043A CN201810673337.7A CN201810673337A CN108549043A CN 108549043 A CN108549043 A CN 108549043A CN 201810673337 A CN201810673337 A CN 201810673337A CN 108549043 A CN108549043 A CN 108549043A
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- 239000000523 sample Substances 0.000 title claims abstract description 113
- 239000004065 semiconductor Substances 0.000 claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 235000012149 noodles Nutrition 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 15
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229940121896 radiopharmaceutical Drugs 0.000 description 1
- 239000012217 radiopharmaceutical Substances 0.000 description 1
- 230000002799 radiopharmaceutical effect Effects 0.000 description 1
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- 230000000452 restraining effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Particle Accelerators (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The present invention discloses a kind of cyclotron magnetic survey hall probe temperature control equipment, including probe tool, hall probe, radiating copper sheet, semiconductor chilling plate, NMR probe, ceramic fibre heat shield；Probe tool includes probe support and positioning base, and probe tool is positioned over superconducting magnet magnetic pole gap center by the insertion of line probe aperture；The hall probe level is attached to the hot face of semiconductor chilling plate；It is mounted with semiconductor chilling plate huyashi-chuuka (cold chinese-style noodles) on the upside of radiating copper sheet, downside is mounted with ceramic fibre heat shield；Radiating copper sheet and ceramic fibre heat shield are fixed on probe support leading portion upper surface；Ceramic fibre heat shield is positioned on NMR probes, and NMR probes are embedded into the groove of probe support leading portion top and positioning base leading portion, and are fixed in probe tool.The present apparatus meets the limitation in superconducting magnet magnetic pole gap uniform field space in design, has been completed at the same time the temperature control of detection probe, has realized the purpose for carrying out magnetic field intensity measurement under condition of different temperatures.
Description
Technical field
The present invention relates to a kind of temperature control equipments of hall probe.The temperature control equipment is according between superconducting magnet magnetic pole
Gap space size designs, and while ensureing that probe is in the space of gap uniformity field, realizes the adjusting of hall probe temperature
And control.
Background technology
Cyclotron has a wide range of applications in the field of nuclear medicine, especially in radiopharmaceutical pharmacy, oncotherapy
Equal fields are significant.It can realize in microcosmos proton, Heavy ion beam treat tumour, be the world today most
The radiation therapy technology at tip, only individual developed countries grasp and apply the technology.Hefei ion medical center is tight to developing
The type superconducting cyclotron of gathering has done a large amount of investigation and experimental work, and has carried out the development work of superconducting cyclotron.
Superconducting cyclotron magnetic field is mainly provided by room temperature main magnet and superconducting coil, it is that cyclotron is quite heavy
The component part wanted, accelerator magnetic field provide restraining force and strong focusing force for the movement of line, and Waveform directly determines
The performance of the cyclotron.In order to examine processing quality and its position installation of the superconducting coil in superconducting cyclotron
Precision needs the magnetic field performance of Analysis of Superconducting coil, it is therefore desirable to design magnetic field measurement system to superconducting coil central plane and
Neighbouring magnetic field is accurately measured.In recent years, with the continuous development of magnetic field measurement technology, the range of measurement reaches 10-15~
103T, and Hall sensor both domestic and external is measured in highfield, cannot accurately be measured.
Therefore, it is necessary to calibrate and demarcate Hall sensor with more accurately equipment magnetic-field measurement tool Nuclear Magnetic Resonance.
Nuclear Magnetic Resonance and Hall sensor need to be positioned over the uniformity less than 10-4To ensure calibration accuracy in field region, need simultaneously
It completes magnetic field intensity of the hall probe under 20 DEG C, 26 DEG C and 32 DEG C temperature conditions to measure and calibrate, therefore according to uniform field
The structure and bulk in region design this temperature control equipment, realize that the temperature of hall probe is adjusted.
Invention content
Be to realize that magnetic field intensity of the uniform field areas of superconducting magnet magnetic pole gap under condition of different temperatures measures, need by
Hall probe is placed in uniform field areas and is controlled into trip temperature hall probe, and a kind of cyclotron magnetic survey of present invention offer is suddenly
That probe temperature control device, this temperature control equipment meet the space limitation of superconducting magnet magnetic pole gap, realize simultaneously
Temperature for magnetic-field measurement hall probe controls.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of cyclotron magnetic survey hall probe temperature control equipment, including probe tool, hall probe, radiating copper
Piece, semiconductor chilling plate, NMR probes, ceramic fibre heat shield；The probe tool includes probe support and positioning base, is visited
Head tooling is positioned over superconducting magnet magnetic pole gap center by the insertion of line probe aperture；The hall probe level, which is attached to, partly to be led
The hot face of body cooling piece；It is mounted with semiconductor chilling plate huyashi-chuuka (cold chinese-style noodles) on the upside of the radiating copper sheet, downside is pasted with ceramic fibre heat shield
Dress；Radiating copper sheet and ceramic fibre heat shield are fixed on probe support leading portion upper surface；Ceramic fibre heat shield is positioned over NMR spies
On head, NMR probes are embedded into the groove of probe support leading portion top and positioning base leading portion, and are fixed in probe tool.
Pars infrasegmentalis is arranged for bench port before the probe support, and the top of probe support back segment is arranged to invagination forms positioning
Pedestal；Wherein, the leading portion of probe support leading portion top and positioning base is equipped with groove.
The radiating copper sheet thickness is 1mm, and length and width is more than semiconductor chilling plate.
The radiating copper sheet and ceramic fibre heat shield are fixed on probe support leading portion upper surface by both sides trip bolt；Institute
NMR probes are stated to be fixed in probe tool by both sides trip bolt.
The semiconductor chilling plate realizes that temperature control is：In the switching of 20 DEG C, 26 DEG C, 32 DEG C three temperature shelves, surveyed
Uniform field is located at cyclotron superconducting magnet magnetic pole gap；The clearance height is 20mm, and uniform field areas is diameter 5mm, high
The column regions of 8mm are spent, uniform field center is overlapped with gap center.
The probe tool is put into the uniform field at accelerator calibration iron center, ensures that Y-axis is parallel with magnetic direction.
Beneficial effects of the present invention：Present invention combination superconducting magnet structure carries out Fixture Design, using semiconductor chilling plate
Coordinate tooling with radiating copper sheet, ceramic fibre heat shield, completes the design of this temperature control equipment；The present apparatus meets super in design
The limitation in magnetizer magnetic pole gap uniform field space has been completed at the same time the temperature control of detection probe, has realized in different temperatures
Under the conditions of carry out magnetic field intensity measurement purpose.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is a kind of cyclotron magnetic survey hall probe temperature control equipment Local map of the present invention；
Fig. 2 is a kind of cyclotron magnetic survey hall probe temperature control equipment figure of the present invention；
Specific implementation mode
In order to more clearly state the objectives, technical solutions, and advantages of the present invention, with reference to the accompanying drawings and embodiments, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
A kind of cyclotron magnetic survey hall probe temperature control equipment, as shown in Figs. 1-2, which includes probe tool
1, hall probe 2, radiating copper sheet 3, semiconductor chilling plate 4, NMR probes 5, ceramic fibre heat shield 6；
The probe tool 1 includes probe support 7 and positioning base 8, and probe tool 1 is positioned over by the insertion of line probe aperture
Superconducting magnet magnetic pole gap center；Referring to Fig. 1, pars infrasegmentalis is arranged for bench port before probe support 7,7 back segment of probe support
Top to invagination setting form positioning base 8；Wherein, the leading portion of 7 leading portion top of probe support and positioning base 8 is equipped with recessed
Slot；
2 level of the hall probe is attached to the hot face of semiconductor chilling plate 4；
3 thickness of the radiating copper sheet is 1mm, and length and width is more than semiconductor chilling plate 4；
3 upside of the radiating copper sheet is mounted with 4 huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate, and downside is mounted with ceramic fibre heat shield 6；It dissipates
Hot copper sheet 3 and ceramic fibre heat shield 6 are fixed on 7 leading portion upper surface of probe support by both sides trip bolt；
Ceramic fibre heat shield 6 is positioned on NMR probes 5, and NMR probes 5 are embedded into 7 leading portion top of probe support and positioning
In the groove of 8 leading portion of pedestal, it is fixed in probe tool 1 by both sides trip bolt.
This device measures the temperature control of hall probe used for magnetic field intensity, and semiconductor chilling plate 4 realizes temperature control
It makes (switchings of 20 DEG C, 26 DEG C, 32 DEG C three temperature shelves), surveyed uniform field is located at cyclotron superconducting magnet magnetic pole gap.
Clearance height is 20mm, and uniform field areas is diameter 5mm, the column regions of height 8mm, uniform field center and gap center weight
It closes.In this column regions, arrange that the probe tool 1 of this calibration, hall probe 2 and NMR probes 5 are mounted in probe tool 1,
Hall probe 2 is positioned over the inside grooves in probe support 7 and is pressed 7 plane of probe support by briquetting, makes itself and probe work
The squareness tolerance for filling 1 axis is less than +/- 0.05mm, and it is parallel with the magnetic direction of uniform field can to meet hall probe 2.
The probe tool 1 being completed is put into the uniform field at accelerator calibration iron center, ensures Y-axis and magnetic field side
To parallel.Equipment is completed to connect with cable, it is whether normal using Solarnumen Comdebug verification equipment communication function.By adjusting half
The electric current of the energizing source of conductor cooling piece 4, control 2 temperature of hall probe are 20 DEG C.It is powered and is added according to semiconductor chip before
Hot hall probe experiment can obtain the relationship between electrical current and hall probe temperature, connection NMR probes and nuclear magnetic resonance
Instrument requires, to determine calibration point, to adjust and calibrate magnetic field intensity setting value within the scope of 2-3.2T according to 1000Gs step-lengths.Work as magnetic field
When intensity settings are within the scope of 3.2-5T, connection NMR probes and Nuclear Magnetic Resonance equipment are continued to complete according to 1000Gs step-lengths
Calibration test.After each calibration point magnetic field intensity measures value stabilization, i.e. Nuclear Magnetic Resonance equipment show value variation range is in 1Gs
Within, hall probe temperature is set as 26 DEG C, 32 DEG C by temperature controller (semiconductor chilling plate), repeats 20 DEG C of test steps
Suddenly.
The purpose of semiconductor chilling plate 4 is to control the temperature of hall probe, and semiconductor chilling plate is connected Switching Power Supply, passed through
Hall probe own temperature is fed back, and adjusts energization direction and size of current, realizes probe temperature control.
In cyclotron, superconducting magnet magnetic pole gap is minimum, and most of height space is occupied in tooling and probe
In the case of, using such temperature control equipment, probe had not only been can guarantee in magnetic pole gap uniform field space, but also can realize probe
The quick adjusting of temperature.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of cyclotron magnetic survey hall probe temperature control equipment, which is characterized in that including probe tool (1), Hall
It pops one's head in (2), radiating copper sheet (3), semiconductor chilling plate (4), NMR probe (5), ceramic fibre heat shield (6)；
The probe tool (1) includes probe support (7) and positioning base (8), and probe tool (1) is put by the insertion of line probe aperture
It is placed in superconducting magnet magnetic pole gap center；
Hall probe (2) level is attached to the hot face of semiconductor chilling plate (4)；
It is mounted with semiconductor chilling plate (4) huyashi-chuuka (cold chinese-style noodles) on the upside of the radiating copper sheet (3), downside is mounted with ceramic fibre heat shield (6)；
Radiating copper sheet (3) and ceramic fibre heat shield (6) are fixed on probe support (7) leading portion upper surface；
Ceramic fibre heat shield (6) be positioned over NMR probe (5) on, NMR probe (5) be embedded into probe support (7) leading portion top with
In the groove of positioning base (8) leading portion, and it is fixed in probe tool (1).
2. a kind of cyclotron magnetic survey hall probe temperature control equipment according to claim 1, which is characterized in that institute
Pars infrasegmentalis is arranged for bench port before stating probe support (7), and the top of probe support (7) back segment forms positioning base to invagination setting
(8)；Wherein, probe support (7) leading portion top and the leading portion of positioning base (8) are equipped with groove.
3. a kind of cyclotron magnetic survey hall probe temperature control equipment according to claim 1, which is characterized in that institute
It is 1mm to state radiating copper sheet (3) thickness, and length and width is more than semiconductor chilling plate (4).
4. a kind of cyclotron magnetic survey hall probe temperature control equipment according to claim 1, which is characterized in that institute
It states radiating copper sheet (3) and ceramic fibre heat shield (6) and probe support (7) leading portion upper surface is fixed on by both sides trip bolt；Institute
NMR probes (5) are stated to be fixed in probe tool (1) by both sides trip bolt.
5. a kind of cyclotron magnetic survey hall probe temperature control equipment according to claim 1, which is characterized in that institute
It states semiconductor chilling plate (4) and realizes that temperature control is：In the switching of 20 DEG C, 26 DEG C, 32 DEG C three temperature shelves, surveyed uniform field position
In cyclotron superconducting magnet magnetic pole gap；The clearance height is 20mm, and uniform field areas is diameter 5mm, the column of height 8mm
Shape region, uniform field center are overlapped with gap center.
6. a kind of cyclotron magnetic survey hall probe temperature control equipment according to claim 1, which is characterized in that institute
It states in the uniform field that probe tool (1) is put at accelerator calibration iron center, ensures that Y-axis is parallel with magnetic direction.
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| CN201810673337.7A CN108549043B (en) | 2018-06-26 | 2018-06-26 | Magnetic measurement Hall probe temperature control device of cyclotron |
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| CN201810673337.7A CN108549043B (en) | 2018-06-26 | 2018-06-26 | Magnetic measurement Hall probe temperature control device of cyclotron |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979703A (en) * | 2019-03-08 | 2019-07-05 | 上海交通大学 | A kind of high-temperature superconducting magnet and magnetic field measuring device based on ReBCO |
| CN111398877A (en) * | 2020-03-30 | 2020-07-10 | 合肥中科离子医学技术装备有限公司 | Mobilizable hall sensor calibrating device |
| CN114660513A (en) * | 2022-02-21 | 2022-06-24 | 北京航空航天大学 | Magnetic field characteristic measuring device of high-power magnetic plasma thruster |
| CN115267622A (en) * | 2022-07-19 | 2022-11-01 | 中国科学院近代物理研究所 | Hall probe sensing area space positioning and calibrating device and using method thereof |
| CN117630787A (en) * | 2023-11-16 | 2024-03-01 | 杭州嘉辐科技有限公司 | Hall sensor and temperature sensor calibration system |
| CN118642028A (en) * | 2024-08-12 | 2024-09-13 | 陕西正泽生物技术有限公司 | Calibration method and device for magnetic measurement Hall probe of medical cyclotron |
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