CN104198964A - Measurement device for magnetic field distribution of superconducting magnet - Google Patents
Measurement device for magnetic field distribution of superconducting magnet Download PDFInfo
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- CN104198964A CN104198964A CN201410445319.5A CN201410445319A CN104198964A CN 104198964 A CN104198964 A CN 104198964A CN 201410445319 A CN201410445319 A CN 201410445319A CN 104198964 A CN104198964 A CN 104198964A
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- magnetic field
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- slide block
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Abstract
The invention discloses a measurement device for the magnetic field distribution of a superconducting magnet. According to the measurement device, the centre of a large gear is holed, and the large gear is installed on a workbench through a bearing; a first support is fixed on the workbench, and the both ends of a pinion are fixed with the workbench and the first support through bearings respectively; a first hand wheel is connected with the pinion; a guide rail is fixed on the large gear, and a slide block is installed on the guide rail; a second support is fixed on the slide block; a screw penetrates through a drive plate and is in threaded connection with the drive plate, the screw is vertical to the workbench, and the both ends of the screw are fixed with the slide block and the second support through bearings respectively; a fixing rod penetrates through the central hole of the large gear and the workbench, and is vertical to the workbench, and one end thereof is fixed on the drive plate; a gauss meter is installed at the other end of the fixing rod; the moving track of the fixing rod is capable of traversing the central hole of the large gear through rotating the first hand wheel and moving the slide block. The measurement device disclosed by the invention is capable of measuring the magnetic fields of all positions in the superconducting magnet, and carrying out high-accuracy control on the measured magnetic field positions.
Description
Technical field
The invention belongs to magnetic field measurement technology field, more specifically, relate to a kind of superconducting magnet Distribution of Magnetic Field measurement mechanism.
Background technology
Enter after 21 century; the research and development of controlled thermonuclear fusion is closely connected with world energy sources crisis; and the auxiliary heating means of controlled thermonuclear fusion are mainly Electron Cyclotron Resonance Heating (Electron Cyclotron Resonance Heating; ECRH), wherein superconducting magnet is the core component of ECRH system.In ECRH system, for system is normally worked, except need provide stable high-voltage power supply, also need superconducting magnet that specific Distribution of Magnetic Field is provided.Therefore, normally work under specific stable frequency in order to ensure gyrotron, need Measurement accuracy superconducting magnet magnetic field.
Existing magnetic field measuring device is bulky, can only realize the magnetic-field measurement of a direction, and cannot make magnetic field measuring device and magnetic field center inregister.In addition, because motor has ferromagnetism, magnetic field is affected, and particularly, in the time that magnetic field intensity is larger, even cisco unity malfunction of motor under the interference in magnetic field, causes the measurement in magnetic field very difficult.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of superconducting magnet Distribution of Magnetic Field measurement mechanism, can Measurement of Superconducting Magnet the magnetic field of inner all positions, and can carry out high precision control to the magnetic field position of measuring, in addition, measurement mechanism is simple and compact for structure, volume is little, and between magnetic field, do not interfere with each other, its geometric center and magnetic field center are easy to realize accurate coincidence, and measuring accuracy is high.
For achieving the above object, the invention provides a kind of superconducting magnet Distribution of Magnetic Field measurement mechanism, it is characterized in that, comprise worktable, gear wheel, pinion wheel, guide rail, slide block, fixed bar, drive plate, screw rod, the first handwheel, the second handwheel, gaussmeter, the first support and the second support; The center drilling of described gear wheel, is arranged on described worktable by bearing; Described the first support is fixed on described worktable, and the two ends of described pinion wheel are fixed by bearing and described worktable and described the first support respectively; Described the first handwheel is connected with described pinion wheel, by rotating described the first handwheel, can drive described pinion rotation, and then drives described gear wheel to rotate; Described guide rail is fixed on described gear wheel, and described slide block is arranged on described guide rail, can slide along described guide rail; Described the second support is fixed on described slide block; Described screw rod is threaded connection through described drive plate and described drive plate, and described screw rod is perpendicular to described worktable, and its two ends are fixed by bearing and described slide block and described the second support respectively; Described fixed bar is through center drilling and the described worktable of described gear wheel, and perpendicular to described worktable, its one end is fixed on described drive plate; Described gaussmeter is arranged on the other end of described fixed bar; By mobile described slide block, can make the motion track of described fixed bar through the center of described gear wheel; By rotating described the first handwheel and mobile described slide block, can make the motion track of described fixed bar travel through the center drilling of described gear wheel; Described the second handwheel is connected with described screw rod, by rotating described the second handwheel, can drive described bolt rotary, and then drive described drive plate to move up and down.
Preferably, described slide block is provided with spacing hole, and described fixed bar is through this spacing hole.
Preferably, described guide rail is provided with limit track, and described fixed bar is through this limit track.
Preferably, described fixed bar runs through described drive plate, and its one end near described drive plate is provided with threaded hole, as the connectivity port of described fixed bar and outside extension rod, can lengthen described fixed bar.
Preferably, described the second support comprises the side plate vertical with described worktable, and described side plate is marked with size scale; Described guide rail is marked with size scale; Described gear wheel is marked with angle index.
Preferably, described the first handwheel is marked with angle index.
Preferably, described the second handwheel is marked with angle index.
In general, the above technical scheme of conceiving by the present invention compared with prior art, has following beneficial effect:
1, gaussmeter can move at θ, R and tri-directions of Z, can Measurement of Superconducting Magnet the magnetic field of inner all positions, and can carry out high precision control to the magnetic field position of measuring.
2, gaussmeter is rotated a circle in magnetic field, measure the deviation at magnetic field center and measurement mechanism center, minute adjustment is carried out in measurement mechanism center, can make geometric center and the accurate coincidence of magnetic field center of measurement mechanism, measuring accuracy is high.
3, without using motor, between measurement mechanism and magnetic field, do not interfere with each other.
4, measurement mechanism is simple and compact for structure, and volume is little.
Brief description of the drawings
Fig. 1 is the stereographic map of the superconducting magnet Distribution of Magnetic Field measurement mechanism of the embodiment of the present invention;
Fig. 2 is the front view of the superconducting magnet Distribution of Magnetic Field measurement mechanism of the embodiment of the present invention;
Fig. 3 is the assembly relation schematic diagram of θ direction;
Fig. 4 is the assembly relation schematic diagram of R direction.
In institute's drawings attached, identical Reference numeral is used for representing identical element or structure, wherein: 1-the second handwheel, 2-top board, 3-screw rod, 4-screw, 5-drive plate, 6-side plate, 7-fixed bar, 8-bearing, 9-back-up block, 10-screw, 11-gear wheel, 12-worktable, 13-slide block, 14-guide rail, 15-gaussmeter, 16-groove, 17-the first support, 18-pinion wheel, 19-the first handwheel, 20,21,22-screw, 23-threaded hole, 25-screw.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.In addition,, in each embodiment of described the present invention, involved technical characterictic just can combine mutually as long as do not form each other conflict.
As shown in Fig. 1～4, the superconducting magnet Distribution of Magnetic Field measurement mechanism of the embodiment of the present invention comprises worktable 12, gear wheel 11, pinion wheel 18, guide rail 14, slide block 13, fixed bar 7, drive plate 5, screw rod 3, the first handwheel 1, the second handwheel 19, gaussmeter 15, the first support 17 and the second support.The center drilling of gear wheel 11, is arranged on worktable 12 by bearing; The first support 17 is fixed on worktable 12 by screw 20, the two ends of pinion wheel 18 are fixing by bearing and worktable 12 and the first support 17 respectively, and the first handwheel 19 is connected with pinion wheel 18, by rotating the first handwheel 19, can drive pinion wheel 18 to rotate, and then drive gear wheel 11 to rotate.The two ends of guide rail 14 are placed on the back-up block 9 on gear wheel 11, and guide rail 14 and back-up block 9 are fixed on gear wheel 11 by screw 21; Slide block 13 is arranged on guide rail 14, can slide along guide rail 14, and the position of slide block 13 on guide rail 14 is fixing by screw 10.
The second support comprises two side plates 6 and the top board 2 that is connected two side plates 6.One end away from top board 2 of two side plates 6 is fixed on slide block 13 by screw 22, and two side plates 6 are parallel to each other and perpendicular to worktable 12; Top board 2 is parallel to worktable 12.In one embodiment of the invention, top board 2 is fixed on two side plates 6 by screw 25.Screw rod 3, through drive plate 5, is threaded connection with drive plate 5, and screw rod 3 is perpendicular to worktable 12, and its two ends are fixed by bearing and slide block 13 and top board 2 respectively.Fixed bar 7 is through center drilling and the worktable 12 of gear wheel 11, and perpendicular to worktable 12, its one end is fixed on drive plate 5 by screw 4, and gaussmeter 15 is arranged in the groove 16 of the other end of fixed bar 7.By moving slider 13, can make the motion track of fixed bar 7 through gear wheel 11 center; By rotating the first handwheel 19 and moving slider 13, can make the center drilling of the motion track traversal gear wheel 11 of fixed bar 7.The second handwheel 1 is connected with screw rod 3, by rotating the second handwheel 1, can drive screw rod 3 to rotate, and then drives drive plate 5 to move up and down, thereby gaussmeter 15 is moved up and down.
Wherein, in two side plates 6, one of them is marked with size scale, and guide rail 14 is marked with size scale, and gear wheel 11 is marked with angle index.Pinion wheel 18, gear wheel 11, screw rod 3, guide rail 14 and slide block 13 are made up of nonmagnetic substance brass, in keeping hardness, can prevent the interference to magnetic field.Bearing is stupalith, to prevent disturbing magnetic field.All the other elements are made up of duralumin.
The principle of work of above-mentioned superconducting magnet Distribution of Magnetic Field measurement mechanism is as follows:
Worktable 12 is placed in to top, magnetic field, gaussmeter 15 is rotated a circle in magnetic field, measure the deviation at magnetic field center and measurement mechanism center, regulate measurement mechanism center, itself and magnetic field center precision are overlapped.Regulate measurement mechanism, make gaussmeter 15 move and arrive different target locations in tri-directions of θ, R and Z, can realize the magnetic-field measurement to superconducting magnet inside diverse location.By the center drilling size of appropriate design gear wheel 11 and the length of fixed bar 7, make gaussmeter 15 there is suitable scope of activities at R and Z both direction, for example, when magnetic field environment at the coordinate of R direction hour, can select the less measurement mechanism of center drilling of gear wheel, when magnetic field environment is in the time that the coordinate of R direction is larger, can select the larger measurement mechanism of center drilling of gear wheel.Make gaussmeter 15 can arrive the optional position in magnetic field by said method, thereby realize, the Distribution of Magnetic Field of superconducting magnet is measured.
Gaussmeter 15 is moved: rotate the first handwheel 19, drive pinion wheel 18 to rotate, and then drive gear wheel 11 to rotate, adjust gaussmeter 15 in the position of θ direction, make gaussmeter 15 arrive target location in θ direction in θ direction.Now, gaussmeter 15 is at the invariant position of R and Z direction.Gear wheel 11 is marked with angle index, is convenient to the rotational angle of gear wheel 11 accurately to control.Preferably, on the first handwheel 19, also indicate angle index, the ratio of gear of known pinion wheel 18 and gear wheel 11 and the rotational angle of gear wheel 11, can obtain the rotational angle of the first handwheel 19, is convenient to improve governing speed.
Gaussmeter 15 is moved in R direction: moving slider 13, adjust gaussmeter 15 in the position of R direction, make gaussmeter 15 arrive target location in R direction, by screw 10, slide block 13 is fixed the position on guide rail 14.Now, gaussmeter 15 is at the invariant position of θ and Z direction.Guide rail 14 is marked with size scale, is convenient to the displacement of slide block 13 accurately to control.
Gaussmeter 15 is moved: rotate the second handwheel 1, drive screw rod 3 to rotate, and then drive drive plate 5 to move up and down, adjust gaussmeter 15 in the position of Z direction, make gaussmeter 15 arrive target location in Z direction in Z direction.Now, gaussmeter is at the invariant position of θ and R direction.In two side plates 6, at least one of them is marked with size scale, is convenient to the displacement of drive plate 15 accurately to control.Preferably, on the second handwheel 1, also indicate angle index, the displacement of the pitch of known screw rod 3 and drive plate 15, can obtain the rotational angle of the second handwheel 1, is convenient to improve governing speed.
Therefore, superconducting magnet Distribution of Magnetic Field measurement mechanism of the present invention can carry out independent control in the position of θ, R and tri-directions of Z to gaussmeter, and control is flexible and control accuracy is high.
For preventing that, in the time adjusting the height of drive plate 5, fixed bar 7 produces significantly and swings, and affects height control effect, need to carry out spacing to fixed bar 7.As shown in Figure 1, in one embodiment of the invention, slide block 13 is provided with spacing hole, and fixed bar 7 is through this spacing hole.In another embodiment of the present invention, guide rail 14 is provided with limit track, and fixed bar 7 is through this limit track.
In one embodiment of the invention, fixed bar 7 runs through drive plate 5, and its one end near drive plate 5 is provided with threaded hole 23, the connectivity port as fixed bar 7 with outside extension rod, can lengthen fixed bar 7, thereby realize the measurement to the larger magnetic field environment of Z direction coordinate.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a superconducting magnet Distribution of Magnetic Field measurement mechanism, is characterized in that, comprises worktable, gear wheel, pinion wheel, guide rail, slide block, fixed bar, drive plate, screw rod, the first handwheel, the second handwheel, gaussmeter, the first support and the second support;
The center drilling of described gear wheel, is arranged on described worktable by bearing; Described the first support is fixed on described worktable, and the two ends of described pinion wheel are fixed by bearing and described worktable and described the first support respectively; Described the first handwheel is connected with described pinion wheel, by rotating described the first handwheel, can drive described pinion rotation, and then drives described gear wheel to rotate; Described guide rail is fixed on described gear wheel, and described slide block is arranged on described guide rail, can slide along described guide rail;
Described the second support is fixed on described slide block; Described screw rod is threaded connection through described drive plate and described drive plate, and described screw rod is perpendicular to described worktable, and its two ends are fixed by bearing and described slide block and described the second support respectively; Described fixed bar is through center drilling and the described worktable of described gear wheel, and perpendicular to described worktable, its one end is fixed on described drive plate; Described gaussmeter is arranged on the other end of described fixed bar; By mobile described slide block, can make the motion track of described fixed bar through the center of described gear wheel; By rotating described the first handwheel and mobile described slide block, can make the motion track of described fixed bar travel through the center drilling of described gear wheel; Described the second handwheel is connected with described screw rod, by rotating described the second handwheel, can drive described bolt rotary, and then drive described drive plate to move up and down.
2. superconducting magnet Distribution of Magnetic Field measurement mechanism as claimed in claim 1, is characterized in that, described slide block is provided with spacing hole, and described fixed bar is through this spacing hole.
3. superconducting magnet Distribution of Magnetic Field measurement mechanism as claimed in claim 1, is characterized in that, described guide rail is provided with limit track, and described fixed bar is through this limit track.
4. superconducting magnet Distribution of Magnetic Field measurement mechanism as claimed any one in claims 1 to 3, it is characterized in that, described fixed bar runs through described drive plate, and its one end near described drive plate is provided with threaded hole, as the connectivity port of described fixed bar and outside extension rod, can lengthen described fixed bar.
5. superconducting magnet Distribution of Magnetic Field measurement mechanism as claimed in claim 1, is characterized in that, described the second support comprises the side plate vertical with described worktable, and described side plate is marked with size scale; Described guide rail is marked with size scale; Described gear wheel is marked with angle index.
6. superconducting magnet Distribution of Magnetic Field measurement mechanism as claimed in claim 5, is characterized in that, described the first handwheel is marked with angle index.
7. the superconducting magnet Distribution of Magnetic Field measurement mechanism as described in claim 5 or 6, is characterized in that, described the second handwheel is marked with angle index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445319.5A CN104198964B (en) | 2014-09-03 | 2014-09-03 | Measurement device for magnetic field distribution of superconducting magnet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445319.5A CN104198964B (en) | 2014-09-03 | 2014-09-03 | Measurement device for magnetic field distribution of superconducting magnet |
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| CN104198964A true CN104198964A (en) | 2014-12-10 |
| CN104198964B CN104198964B (en) | 2017-02-22 |
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| CN201410445319.5A Expired - Fee Related CN104198964B (en) | 2014-09-03 | 2014-09-03 | Measurement device for magnetic field distribution of superconducting magnet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249179A (en) * | 2016-08-20 | 2016-12-21 | 湖南科技大学 | Automatically multiple degrees of freedom measurement of magnetic field laboratory table |
| 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 |
| CN116736113A (en) * | 2023-07-21 | 2023-09-12 | 华北电力大学（保定） | Motor permanent magnet heating demagnetizing device capable of being monitored on line in real time |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0859240A1 (en) * | 1997-02-18 | 1998-08-19 | GEC-Marconi Limited | Magnet system for magnetic resonance imaging and spectroscopy |
| CN201322791Y (en) * | 2008-12-23 | 2009-10-07 | 中国科学院电工研究所 | Device for measuring magnetic field distribution of superconducting magnet |
| WO2013138942A1 (en) * | 2012-03-23 | 2013-09-26 | Pacific Rim Engineered Products (1987) Ltd. | Gear engagement mechanism for transmissions and related methods |
| CN103675723A (en) * | 2013-12-24 | 2014-03-26 | 上海子创镀膜技术有限公司 | Magnetic field measurement analysis system |
| CN103777155A (en) * | 2014-02-14 | 2014-05-07 | 奥泰医疗系统有限责任公司 | Positioning frame for superconducting magnet magnetic field measurement and superconducting magnet magnetic field measurement device |
-
2014
- 2014-09-03 CN CN201410445319.5A patent/CN104198964B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0859240A1 (en) * | 1997-02-18 | 1998-08-19 | GEC-Marconi Limited | Magnet system for magnetic resonance imaging and spectroscopy |
| CN201322791Y (en) * | 2008-12-23 | 2009-10-07 | 中国科学院电工研究所 | Device for measuring magnetic field distribution of superconducting magnet |
| WO2013138942A1 (en) * | 2012-03-23 | 2013-09-26 | Pacific Rim Engineered Products (1987) Ltd. | Gear engagement mechanism for transmissions and related methods |
| CN103675723A (en) * | 2013-12-24 | 2014-03-26 | 上海子创镀膜技术有限公司 | Magnetic field measurement analysis system |
| CN103777155A (en) * | 2014-02-14 | 2014-05-07 | 奥泰医疗系统有限责任公司 | Positioning frame for superconducting magnet magnetic field measurement and superconducting magnet magnetic field measurement device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249179A (en) * | 2016-08-20 | 2016-12-21 | 湖南科技大学 | Automatically multiple degrees of freedom measurement of magnetic field laboratory table |
| 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 |
| CN106597325B (en) * | 2016-11-08 | 2023-06-20 | 中国科学院近代物理研究所 | Dynamic measuring device and measuring method for superconducting magnet at low temperature |
| CN116736113A (en) * | 2023-07-21 | 2023-09-12 | 华北电力大学（保定） | Motor permanent magnet heating demagnetizing device capable of being monitored on line in real time |
| CN116736113B (en) * | 2023-07-21 | 2024-02-02 | 华北电力大学（保定） | Motor permanent magnet heating demagnetizing device capable of being monitored on line in real time |
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| CN104198964B (en) | 2017-02-22 |
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Inventor after: Xia Donghui Inventor after: Sun Daolei Inventor after: Jiang Liqiu Inventor after: Wang Zhijiang Inventor before: Xia Donghui Inventor before: Sun Daolei Inventor before: Jiang Liqiu Inventor before: Wang Zhijiang |
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