CN108549043B - Magnetic measurement Hall probe temperature control device of cyclotron - Google Patents
Magnetic measurement Hall probe temperature control device of cyclotron Download PDFInfo
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- CN108549043B CN108549043B CN201810673337.7A CN201810673337A CN108549043B CN 108549043 B CN108549043 B CN 108549043B CN 201810673337 A CN201810673337 A CN 201810673337A CN 108549043 B CN108549043 B CN 108549043B
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- 239000000523 sample Substances 0.000 title claims abstract description 109
- 238000005259 measurement Methods 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 25
- 239000010949 copper Substances 0.000 claims abstract description 25
- 239000004065 semiconductor Substances 0.000 claims abstract description 24
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 15
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation 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
- 238000001959 radiotherapy Methods 0.000 description 1
- 238000011160 research 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 invention discloses a temperature control device of a magnetic measurement Hall probe of a cyclotron, which comprises a probe tool, a Hall probe, a radiating copper sheet, a semiconductor refrigerating sheet, an NMR probe and a ceramic fiber heat insulation sheet; the probe tool comprises a probe supporting and positioning base, and is inserted into the central position of the magnetic pole gap of the superconducting magnet through a beam probe hole; the Hall probe is horizontally attached to the hot surface of the semiconductor refrigerating sheet; the upper side of the radiating copper sheet is attached to the cold surface of the semiconductor refrigerating sheet, and the lower side of the radiating copper sheet is attached to the ceramic fiber heat insulating sheet; the radiating copper sheet and the ceramic fiber heat insulation sheet are fixed on the upper surface of the front section of the probe support; the ceramic fiber heat insulation sheet is placed on the NMR probe, and the NMR probe is embedded into the grooves of the upper part of the front section of the probe support and the front section of the positioning base and is fixed on the probe tool. The device meets the limit of the uniform field space of the magnetic pole gap of the superconducting magnet in design, simultaneously completes the temperature control of the detection probe, and achieves the purpose of measuring the magnetic field intensity under different temperature conditions.
Description
Technical Field
The invention relates to a temperature control device of a Hall probe. The temperature control device is designed according to the size of the gap space of the magnetic pole of the superconducting magnet, and realizes the adjustment and control of the temperature of the Hall probe while ensuring that the probe is in the gap uniform field space.
Background
The cyclotron has wide application in the field of nuclear medicine, in particular to the fields of radiopharmaceuticals, tumor treatment and the like. It can realize the treatment of tumor by proton and heavy ion rays in microscopic world, is the most sophisticated radiotherapy technology in the current world, and is only mastered and applied by individual developed countries. The fertilizer combination ion medical center performs a great deal of research and experimental work on developing a compact superconducting cyclotron, and develops the development work of the superconducting cyclotron.
The magnetic field of the superconducting cyclotron is mainly provided by a normal-temperature main magnet and a superconducting coil, and is an important component of the cyclotron, the magnetic field of the accelerator provides constraint force and strong focusing force for the movement of beam current, and the field type distribution directly determines the performance of the cyclotron. In order to check the processing quality and the position installation accuracy of the superconducting coil in the superconducting cyclotron, the magnetic field performance of the superconducting coil needs to be analyzed, so that a magnetic field measurement system needs to be designed to accurately measure the magnetic field in the central plane and the vicinity of the superconducting coil. In recent years, with the continuous development of magnetic field measurement technology, the measurement range reaches 10 -15～103 T, and the measurement of the domestic and foreign Hall sensor cannot be accurately measured under the condition of high magnetic field.
Thus, there is a need for calibrating and calibrating hall sensors with more accurate device magnetic field measurement tools nmr. The nuclear magnetic resonance instrument and the Hall sensor are required to be placed in a magnetic field area with uniformity smaller than 10 -4 so as to ensure calibration accuracy, and meanwhile, the measurement and calibration of the magnetic field intensity of the Hall probe at the temperature conditions of 20 ℃,26 ℃ and 32 ℃ are required to be completed, so that the temperature control device is designed according to the structure and the space size of the uniform field area, and the temperature regulation of the Hall probe is realized.
Disclosure of Invention
In order to realize the measurement of the magnetic field intensity of the uniform field area of the magnetic pole gap of the superconducting magnet under different temperature conditions, the Hall probe needs to be arranged in the uniform field area and is subjected to temperature control.
The aim of the invention can be achieved by the following technical scheme:
A temperature control device of a magnetic measurement Hall probe of a cyclotron comprises a probe tool, a Hall probe, a radiating copper sheet, a semiconductor refrigerating sheet, an NMR probe and a ceramic fiber heat insulation sheet; the probe tool comprises a probe supporting and positioning base, and is inserted into the center of the gap between the magnetic poles of the superconducting magnet through a beam probe hole; the Hall probe is horizontally attached to the hot surface of the semiconductor refrigerating sheet; the upper side of the radiating copper sheet is attached to the cold surface of the semiconductor refrigerating sheet, and the lower side of the radiating copper sheet is attached to the ceramic fiber heat insulating sheet; the radiating copper sheet and the ceramic fiber heat insulation sheet are fixed on the upper surface of the front section of the probe support; the ceramic fiber heat insulation sheet is placed on the NMR probe, and the NMR probe is embedded into the grooves of the upper part of the front section of the probe support and the front section of the positioning base and is fixed on the probe tool.
The lower part of the front section of the probe support is provided with a step opening, and the upper part of the rear section of the probe support is inwards sunken to form a positioning base; wherein, the front section of probe support anterior segment upper portion and location base is equipped with the recess.
The thickness of the radiating copper sheet is 1mm, and the length and the width of the radiating copper sheet are larger than those of the semiconductor refrigerating sheet.
The radiating copper sheet and the ceramic fiber heat insulation sheet are fixed on the upper surface of the front section of the probe support by fastening screws at two sides; the NMR probe is fixed on the probe tool by two side fastening screws.
The semiconductor refrigerating sheet realizes temperature control as follows: switching at 20 ℃, 26 ℃ and 32 ℃ three temperature ranges, wherein the measured uniform field is positioned in the gap between the magnetic poles of the superconducting magnet of the cyclotron; the height of the gap is 20mm, the uniform field area is a cylindrical area with the diameter of 5mm and the height of 8mm, and the center of the uniform field coincides with the center of the gap.
The probe tool is placed in a uniform field at the center of the accelerator calibration iron, and the Y axis is ensured to be parallel to the magnetic field direction.
The invention has the beneficial effects that: the invention combines the superconducting magnet structure to carry out tooling design, and adopts the cooperation tooling of the semiconductor refrigerating sheet, the radiating copper sheet and the ceramic fiber heat-insulating sheet to complete the design of the temperature control device; the device meets the limit of the uniform field space of the magnetic pole gap of the superconducting magnet in design, simultaneously completes the temperature control of the detection probe, and achieves the purpose of measuring the magnetic field intensity under different temperature conditions.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a partial view of a magnetic Hall probe temperature control device for a cyclotron according to the present invention;
FIG. 2 is a diagram of a magnetic Hall probe temperature control device for a cyclotron according to the present invention;
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples below for the purpose of more clearly showing the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
1-2, The device comprises a probe tool 1, a Hall probe 2, a radiating copper sheet 3, a semiconductor refrigerating sheet 4, an NMR probe 5 and a ceramic fiber heat insulation sheet 6;
The probe tool 1 comprises a probe support 7 and a positioning base 8, and the probe tool 1 is inserted into the central position of a magnetic pole gap of the superconducting magnet through a beam probe hole; referring to fig. 1, the lower part of the front section of the probe support 7 is provided with a step opening, and the upper part of the rear section of the probe support 7 is inwards sunken to form a positioning base 8; wherein, the upper part of the front section of the probe support 7 and the front section of the positioning base 8 are provided with grooves;
The Hall probe 2 is horizontally attached to the hot surface of the semiconductor refrigerating sheet 4;
the thickness of the radiating copper sheet 3 is 1mm, and the length and the width of the radiating copper sheet are larger than those of the semiconductor refrigerating sheet 4;
The upper side of the radiating copper sheet 3 is attached to the cold surface of the semiconductor refrigerating sheet 4, and the lower side of the radiating copper sheet is attached to the ceramic fiber heat insulating sheet 6; the radiating copper sheet 3 and the ceramic fiber heat insulation sheet 6 are fixed on the upper surface of the front section of the probe support 7 by fastening screws at two sides;
The ceramic fiber heat insulation sheet 6 is placed on the NMR probe 5, the NMR probe 5 is embedded into the grooves of the upper part of the front section of the probe support 7 and the front section of the positioning base 8, and the NMR probe is fixed on the probe tool 1 by two side fastening screws.
The device is used for controlling the temperature of a Hall probe used for measuring the magnetic field intensity, the semiconductor refrigerating sheet 4 realizes the temperature control (switching of three temperature ranges of 20 ℃, 26 ℃ and 32 ℃), and the measured uniform field is positioned in the gap between magnetic poles of the superconducting magnet of the cyclotron. The height of the gap is 20mm, the uniform field area is a cylindrical area with the diameter of 5mm and the height of 8mm, and the center of the uniform field coincides with the center of the gap. In the cylindrical area, the calibrated probe tool 1 is arranged, the Hall probe 2 and the NMR probe 5 are installed on the probe tool 1, the Hall probe 2 is placed in a groove on the probe support 7 and is pressed on the plane of the probe support 7 through a pressing block, so that the perpendicularity tolerance of the Hall probe 2 and the axis of the probe tool 1 is smaller than +/-0.05mm, and the situation that the Hall probe 2 is parallel to the magnetic field direction of a uniform field can be met.
And placing the assembled probe tool 1 into a uniform field at the center of the accelerator calibration iron, and ensuring that the Y axis is parallel to the magnetic field direction. And (3) completing the connection between the equipment and the cable, and verifying whether the communication function of the equipment is normal or not by using a serial port debugging tool. The temperature of the hall probe 2 is controlled to be 20 ℃ by adjusting the current of the energizing power supply of the semiconductor refrigerating chip 4. According to the previous experiment of the semiconductor wafer electrifying and heating Hall probe, the relation between electrifying current and the temperature of the Hall probe can be obtained, the NMR probe and the nuclear magnetic resonance instrument are connected, the calibration point is determined within the range of 2-3.2T according to the step length requirement of 1000Gs, and the set value of the magnetic field intensity is adjusted. When the magnetic field intensity set value is in the range of 3.2-5T, connecting the NMR probe and the nuclear magnetic resonance equipment, and continuously completing the calibration test according to the step length of 1000 Gs. After the magnetic field intensity measured value of each calibration point is stable, namely the variation range of the display value of the nuclear magnetic resonance equipment is within 1Gs, the temperature of the Hall probe is set to 26 ℃ and 32 ℃ through a temperature controller (a semiconductor refrigerating sheet), and the testing steps of 20 ℃ are repeated.
The purpose of the semiconductor refrigerating sheet 4 is to control the temperature of the Hall probe, the semiconductor refrigerating sheet is connected with a switching power supply, and the temperature feedback of the Hall probe is used for adjusting the electrifying direction and the current magnitude so as to realize the temperature control of the probe.
In the cyclotron, the magnetic pole gap of the superconducting magnet is extremely small, and under the condition that the tool and the probe occupy most of the height space, the temperature control device can ensure that the probe is positioned in the uniform field space of the magnetic pole gap, and can realize rapid adjustment of the temperature of the probe.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The magnetic measurement Hall probe temperature control device of the cyclotron is characterized by comprising a probe tool (1), a Hall probe (2), a radiating copper sheet (3), a semiconductor refrigerating sheet (4), an NMR probe (5) and a ceramic fiber heat insulation sheet (6);
the probe tool (1) comprises a probe support (7) and a positioning base (8), and the probe tool (1) is inserted into the center of the gap between the magnetic poles of the superconducting magnet through a beam probe hole;
The Hall probe (2) is horizontally attached to the hot surface of the semiconductor refrigerating sheet (4); the upper side of the radiating copper sheet (3) is attached to the cold surface of the semiconductor refrigerating sheet (4), and the lower side of the radiating copper sheet is attached to the ceramic fiber heat insulating sheet (6);
the radiating copper sheet (3) and the ceramic fiber heat insulation sheet (6) are fixed on the upper surface of the front section of the probe support (7);
The ceramic fiber heat insulation sheet (6) is arranged on the NMR probe (5), and the NMR probe (5) is embedded into a groove at the upper part of the front section of the probe support (7) and the front section of the positioning base (8) and is fixed on the probe tool (1);
The lower part of the front section of the probe support (7) is provided with a step opening, the upper part of the rear section of the probe support (7) is inwards sunken to form a positioning base (8), and the upper part of the front section of the probe support (7) and the front section of the positioning base (8) are provided with grooves;
Wherein, semiconductor refrigeration piece (4) realizes temperature control as: switching at 20 ℃, 26 ℃ and 32 ℃ three temperature ranges, wherein the measured uniform field is positioned in the gap between the magnetic poles of the superconducting magnet of the cyclotron; the height of the gap is 20mm, the uniform field area is a cylindrical area with the diameter of 5mm and the height of 8mm, and the center of the uniform field coincides with the center of the gap;
the probe tool (1) is placed in a uniform field at the center of the accelerator calibration iron, and the Y axis is ensured to be parallel to the magnetic field direction.
2. The cyclotron magnetic measurement hall probe temperature control device according to claim 1, wherein the thickness of the radiating copper sheet (3) is 1mm, and the length and the width of the radiating copper sheet are larger than those of the semiconductor refrigerating sheet (4).
3. The magnetic measurement Hall probe temperature control device of the cyclotron according to claim 1, wherein the radiating copper sheet (3) and the ceramic fiber heat insulation sheet (6) are fixed on the upper surface of the front section of the probe support (7) by two side fastening screws; the NMR probe (5) is fixed on the probe tool (1) through fastening screws at two sides.
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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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| CN108549043B true CN108549043B (en) | 2024-05-31 |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0477453A1 (en) * | 1989-04-07 | 1992-04-01 | Office National d'Etudes et de Recherches Aérospatiales (O.N.E.R.A.) | Test station, especially for semiconductor wafers |
| DE10006323C1 (en) * | 2000-02-12 | 2001-08-09 | Bruker Ag Faellanden | Cooled NMR probe head with uniform temperature control of the test sample |
| CN1369884A (en) * | 2000-12-27 | 2002-09-18 | 西门子公司 | Flux pump of high temp superconductor and superconductive electromagnet driven therefrom |
| DE10345049B3 (en) * | 2003-09-26 | 2005-02-03 | Siemens Ag | Magnetic field sensor for measuring the revolutions of a rotating gearing arrangement comprises a housing and housing body formed as injection molded parts with a permanent magnet injected into the housing |
| JP2006258592A (en) * | 2005-03-17 | 2006-09-28 | Nikkoshi Co Ltd | Hall probe |
| CN101907368A (en) * | 2010-07-07 | 2010-12-08 | 桂林市同步工业自动控制有限责任公司 | Refrigerated constant temperature pot |
| CN103075856A (en) * | 2013-01-30 | 2013-05-01 | 上海理工大学 | Novel energy-saving refrigeration temperature-controlling box |
| CN203551757U (en) * | 2013-10-18 | 2014-04-16 | 黄河科技学院 | Experimental device used for measuring solenoid axis magnetic induction intensity by adopting Hall effect method |
| GB201411354D0 (en) * | 2013-06-26 | 2014-08-13 | Bruker Biospin Ag | NMR probe head with improved centering of the sample vial |
| CN204352003U (en) * | 2014-12-12 | 2015-05-27 | 上海大学 | Freeze therapy unit |
| CN204731348U (en) * | 2015-07-13 | 2015-10-28 | 天津大学 | A kind of superconductor characteristic assessment instrument |
| CN105810384A (en) * | 2014-12-30 | 2016-07-27 | 北京有色金属研究总院 | Magnetizing method used for high-temperature bulk superconductor |
| CN205897604U (en) * | 2016-08-03 | 2017-01-18 | 深圳市七善科技有限公司 | Electronic refrigerator |
| CN106597325A (en) * | 2016-11-08 | 2017-04-26 | 中国科学院近代物理研究所 | Dynamic measurement device and method for superconducting magnet under low temperature |
| CN107340484A (en) * | 2017-07-12 | 2017-11-10 | 合肥中科离子医学技术装备有限公司 | Measuring magnetic field of cyclotron system and its measuring method based on search coil |
| CN206682976U (en) * | 2016-12-15 | 2017-11-28 | 扬州大学 | The probing shell cooling device of flame detector |
| 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 |
| CN107884738A (en) * | 2017-12-13 | 2018-04-06 | 合肥中科离子医学技术装备有限公司 | A kind of calibrating installation for being used for magnetic survey sensor in superconduction proton therapeutic appts |
| CN107972558A (en) * | 2016-10-21 | 2018-05-01 | 无锡彩虹专用车有限公司 | Refrigerated vehicle carriage |
| CN208297700U (en) * | 2018-06-26 | 2018-12-28 | 合肥中科离子医学技术装备有限公司 | A kind of cyclotron magnetic survey hall probe temperature control equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020179830A1 (en) * | 2000-11-01 | 2002-12-05 | Pearson Robert M. | Halbach Dipole magnet shim system |
| DE102007013755B4 (en) * | 2007-03-22 | 2020-10-29 | Te Connectivity Germany Gmbh | Indicator element for a magnetic rotary encoder |
| US9007058B2 (en) * | 2012-02-27 | 2015-04-14 | Uchicago Argonne, Llc | Dual-stage trapped-flux magnet cryostat for measurements at high magnetic fields |
-
2018
- 2018-06-26 CN CN201810673337.7A patent/CN108549043B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0477453A1 (en) * | 1989-04-07 | 1992-04-01 | Office National d'Etudes et de Recherches Aérospatiales (O.N.E.R.A.) | Test station, especially for semiconductor wafers |
| DE10006323C1 (en) * | 2000-02-12 | 2001-08-09 | Bruker Ag Faellanden | Cooled NMR probe head with uniform temperature control of the test sample |
| CN1369884A (en) * | 2000-12-27 | 2002-09-18 | 西门子公司 | Flux pump of high temp superconductor and superconductive electromagnet driven therefrom |
| DE10345049B3 (en) * | 2003-09-26 | 2005-02-03 | Siemens Ag | Magnetic field sensor for measuring the revolutions of a rotating gearing arrangement comprises a housing and housing body formed as injection molded parts with a permanent magnet injected into the housing |
| JP2006258592A (en) * | 2005-03-17 | 2006-09-28 | Nikkoshi Co Ltd | Hall probe |
| CN101907368A (en) * | 2010-07-07 | 2010-12-08 | 桂林市同步工业自动控制有限责任公司 | Refrigerated constant temperature pot |
| CN103075856A (en) * | 2013-01-30 | 2013-05-01 | 上海理工大学 | Novel energy-saving refrigeration temperature-controlling box |
| GB201411354D0 (en) * | 2013-06-26 | 2014-08-13 | Bruker Biospin Ag | NMR probe head with improved centering of the sample vial |
| CN203551757U (en) * | 2013-10-18 | 2014-04-16 | 黄河科技学院 | Experimental device used for measuring solenoid axis magnetic induction intensity by adopting Hall effect method |
| CN204352003U (en) * | 2014-12-12 | 2015-05-27 | 上海大学 | Freeze therapy unit |
| CN105810384A (en) * | 2014-12-30 | 2016-07-27 | 北京有色金属研究总院 | Magnetizing method used for high-temperature bulk superconductor |
| CN204731348U (en) * | 2015-07-13 | 2015-10-28 | 天津大学 | A kind of superconductor characteristic assessment instrument |
| CN205897604U (en) * | 2016-08-03 | 2017-01-18 | 深圳市七善科技有限公司 | Electronic refrigerator |
| CN107972558A (en) * | 2016-10-21 | 2018-05-01 | 无锡彩虹专用车有限公司 | Refrigerated vehicle carriage |
| CN106597325A (en) * | 2016-11-08 | 2017-04-26 | 中国科学院近代物理研究所 | Dynamic measurement device and method for superconducting magnet under low temperature |
| CN206682976U (en) * | 2016-12-15 | 2017-11-28 | 扬州大学 | The probing shell cooling device of flame detector |
| CN107340484A (en) * | 2017-07-12 | 2017-11-10 | 合肥中科离子医学技术装备有限公司 | Measuring magnetic field of cyclotron system and its measuring method based on search coil |
| 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 |
| CN107884738A (en) * | 2017-12-13 | 2018-04-06 | 合肥中科离子医学技术装备有限公司 | A kind of calibrating installation for being used for magnetic survey sensor in superconduction proton therapeutic appts |
| CN208297700U (en) * | 2018-06-26 | 2018-12-28 | 合肥中科离子医学技术装备有限公司 | A kind of cyclotron magnetic survey hall probe temperature control equipment |
Non-Patent Citations (3)
| Title |
|---|
| 加速器磁场测量的霍尔多探头装置;周景兮;核技术;19930310(第03期);全文 * |
| 采用超导磁体的霍尔变温(4.2～300K)测量装置;张建宇;刘进福;林敏敏;施海青;;上海有色金属;20150414(第01期);全文 * |
| 高精度多探头磁场测量系统;龙敖;焦天枢;常力;常更福;党建荣;郭克钧;张长栓;吴贵恒;于文杰;张国斌;王文玲;;高能物理与核物理;20120816(第03期);全文 * |
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| CN108549043A (en) | 2018-09-18 |
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