CN102343832B - Magnetic field reinforced high-temperature superconducting magnetic suspension system - Google Patents
Magnetic field reinforced high-temperature superconducting magnetic suspension system Download PDFInfo
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- CN102343832B CN102343832B CN2011101996891A CN201110199689A CN102343832B CN 102343832 B CN102343832 B CN 102343832B CN 2011101996891 A CN2011101996891 A CN 2011101996891A CN 201110199689 A CN201110199689 A CN 201110199689A CN 102343832 B CN102343832 B CN 102343832B
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Abstract
The invention discloses a magnetic field reinforced high-temperature superconducting magnetic suspension system, which comprises a magnetic suspension track, a high-temperature superconducting bulk array, a high-temperature superconducting magnetizing and magnetic field adjusting coil and a low-temperature thermostat, wherein the high-temperature superconducting bulk array is positioned on the magnetic suspension track; the high-temperature superconducting magnetizing and magnetic field adjusting coil is arranged on the upper surface of the high-temperature superconducting bulk array; the low-temperature thermostat is used for accommodating and cooling high-temperature superconducting bulks and the high-temperature superconducting magnetizing and magnetic field adjusting coil; and the high-temperature superconducting magnetizing and magnetic field adjusting coil is made of a BSCCO or YBCO high-temperature superconducting strip. Due to the adoption of the system, the field intensity of a magnetic suspension track magnetic field is increased remarkably, the trapped field of the high-temperature superconducting bulks is increased, the suspension force and guide force of the high-temperature superconducting magnetic suspension system are further enhanced, dynamic adjustment of the suspension force and guide force of the high-temperature superconducting magnetic suspension system can be realized simultaneously, and the performance and complex working condition coping capability of the high-temperature superconducting magnetic suspension system are enhanced.
Description
Technical field
The invention belongs to the application of high temperature superconductor technology, a kind of high-temperature superconducting magnetic levitation means of delivery particularly, as magnetic suspension train.
Background technology
Based on the high temperature superconducting magnetic suspension system of high-temperature superconductor-permanent magnet magnetic suspension pattern, generally by the tracks of permanent magnetism that spreads on ground and high-temperature superconducting block, formed, the general employing of high-temperature superconducting block is cooling based on the cold mode in field, tracks of permanent magnetism magnetic field.The advantage of the high temperature superconducting magnetic suspension system of this mode is simple to operate, and shortcoming is that the magnetic field of tracks of permanent magnetism generation is not high enough, and in a cold process, the Trapped Field of high-temperature superconducting block is strong not, is difficult to obtain enough large lift force and guidance force.In the prior art, be to strengthen track magnetic field by the inner structure of optimizing a tracks of permanent magnetism, though can obtain certain improvement like this, but still can not obviously improve the suspension/steering capability of high temperature superconducting magnetic suspension system.
Summary of the invention
The purpose of this invention is to provide a kind of magnetic field reinforced high-temperature superconducting magnetic suspension system, by the auxiliary magnetic charging system in high-temperature superconducting block surface, the Trapped field of high-temperature superconducting block is strengthened greatly, and by adopting upper and lower side magnetic-levitation structure, the magnetic field of tracks of permanent magnetism is also obviously strengthened, the attractive force that can also lift force is provided and make progress for high-temperature superconducting block simultaneously, thus suspension property and steering capability greatly improved.By regulating the electric current of high-temperature superconducting block surface coils, go back lift force and guidance force that capable of dynamic is regulated high temperature superconducting magnetic suspension system in addition.
main technical schemes of the present invention is: a kind of magnetic field reinforced high-temperature superconducting magnetic suspension system, comprise magnetic-levitation, be positioned at the high-temperature superconducting block array on magnetic-levitation, it is characterized in that, described system also comprises that the high-temperature superconductor of high-temperature superconducting block array upper surface magnetizes and the flux control coil, and for installing, the cryostat of cooling high-temperature superconducting bulk and high temperature superconductor coil magnet, high-temperature superconductor magnetizes and the flux control coil is a coil that independently adopts BSCCO or YBCO belt material of high temperature superconduct to prepare, be installed on one can be simultaneously for the fixing nonmagnetic auxiliary fixing and packaging mechanism of high-temperature superconducting block.Before system works, to comprise high-temperature superconducting block array, high temperature superconductor coil magnet, and the suspension mover of cryostat, be fixed in position on the upper side, tracks of permanent magnetism middle part, allow high-temperature superconductor magnetize and the logical direct current (DC) of flux control coil, increase the additional background field except the tracks of permanent magnetism self-field for the high-temperature superconducting block array.Then cooling high-temperature superconducting bulk array is to superconducting state.After cooling end, to magnetize and the logical direct current (DC) of flux control coil is decreased to zero gradually, thereby complete magnetizing of high-temperature superconducting block array, then can realize comprising stable suspersion and the free motion of suspension mover in tracks of permanent magnetism of high-temperature superconducting block array.
At bilateral, all arrange in the scheme of magnetic-levitation, the high-temperature superconducting block array is in motion process, and the suspension mover is subject to the lift force of tracks of permanent magnetism to it, also is subject to the attractive force of upside tracks of permanent magnetism to it simultaneously.
In addition, in motion process, can also give and magnetized and the flux control coil electricity, produce a complementary field, and lift force and the guidance force that can regulate high-temperature superconducting magnetic levitation by the intensity of adjusting complementary field.In addition, can pass through the tracks of permanent magnetism supporting mechanism, the upside tracks of permanent magnetism is slided along direction finding, thereby facilitate the load and unload of the magnetic suspension mover of high temperature superconducting magnetic suspension system.
The invention has the beneficial effects as follows: the problems such as this system can effectively solve high-temperature superconducting block applies in high temperature superconducting magnetic suspension system tracks of permanent magnetism field intensity and be difficult to improve, and the high-temperature superconducting block Trapped Field is low, and the lift force guidance force is restricted.By the auxiliary magnetizing coil on high-temperature superconducting block surface, increased the Trapped field of high-temperature superconducting block, by adopting upper and lower sides tracks of permanent magnetism structure, the Distribution of Magnetic Field of tracks of permanent magnetism is also strengthened greatly, thereby improved suspension and the steering capability of high temperature superconducting magnetic suspension system.Pass through in addition the electric current of the magnetizing coil on adjusting high-temperature superconducting block surface, capable of dynamic is regulated lift force and the guidance force of high temperature superconducting magnetic suspension system, therefore can be beneficial to the service conditions of reply complexity.By auxiliary tracks of permanent magnetism railroad, can complete easily installation and the unloading of high-temperature superconductor suspension mover in practical application.By adopting the magnetic field reinforced high-temperature superconducting magnetic suspension system of parallel two groups, can in magnetic suspension train equimagnetic hovercraft, be applied.
The accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
The schematic diagram of a kind of magnetic field reinforced high-temperature superconducting magnetic suspension system of Fig. 1 specific embodiments of the invention.
Fig. 2 is equipped with 4 BSCCO or the YBCO high-temperature superconductor magnetizes and the nonmagnetic auxiliary fixing and packaging mechanism schematic diagram of flux control coil in Fig. 1.
The schematic diagram of two 5 magnet type tracks of permanent magnetism in Fig. 3 one embodiment of the invention.
The schematic diagram of two 2 magnet 3 soft iron tracks of permanent magnetism in Fig. 4 one embodiment of the invention.
The schematic diagram of two 3 magnet back iron type tracks of permanent magnetism in Fig. 5 one embodiment of the invention.
The schematic diagram of the magnetic-levitation of composite permanet magnet track and electromagnetic path in Fig. 6 one embodiment of the invention.
Fig. 7 is a kind of schematic diagram of magnetic field reinforced high-temperature superconducting magnetic suspension system of single side type tracks of permanent magnetism.
The Reference numeral implication is as follows: 1: the high-temperature superconducting block array; 2(a): BSCCO or YBCO high-temperature superconductor magnetize and the flux control coil; 3: for fixing high-temperature superconducting block, install that high-temperature superconductor magnetizes and the nonmagnetic auxiliary fixing and packaging mechanism of flux control coil; 4: for the cryostat of installation, cooling high-temperature superconducting bulk array and high temperature superconductor coil magnet; 5(a1): downside 5 magnet type tracks of permanent magnetism; 5(a2): upside 5 magnet type tracks of permanent magnetism; 6: the tracks of permanent magnetism supporting mechanism; 7: tracks of permanent magnetism supporting mechanism side direction railroad; 8: pedestal; 2(b): 4 small-sized BSCCO or the YBCO high-temperature superconductor magnetizes and the flux control coil; 9: permanent magnet in tracks of permanent magnetism; 10: soft iron in tracks of permanent magnetism; 11: nonmagnetic tracks of permanent magnetism protective cover; 5(b1): downside 2 magnet 3 soft iron type tracks of permanent magnetism; 5(b2) upside 2 magnet 3 soft iron type tracks of permanent magnetism; 5(c1): downside 3 magnet back iron type tracks of permanent magnetism, 5(c2): upside 3 magnet back iron type tracks of permanent magnetism; 5(d2): electromagnetic path; 12: in electromagnetic path, flux control is with BSCCO or YBCO high temperature superconductor coil; 13: for the cryostat of electromagnetic path flux control with BSCCO or YBCO high temperature superconductor coil refrigeration.
The specific embodiment
Specific embodiments of the invention one, as shown in Figure 1,3, a kind of magnetic field reinforced high-temperature superconducting magnetic suspension system, by two relative upper and lower side magnetic-levitations 5 (a1), 5(a2), the BSCCO high-temperature superconductor of high-temperature superconducting block array 1 and upper surface thereof magnetizes and flux control coil 2(a), and form for the cryostat 4 of installation, cooling high-temperature superconducting bulk array and high temperature superconductor coil magnet.High-temperature superconductor magnetizes and flux control coil 2(a) be independently two cake racetrack coils, be installed on one can be simultaneously for the fixing nonmagnetic auxiliary fixing packaging mechanism 3 that reaches of high-temperature superconducting block array.Upper and lower side magnetic-levitation 5 (a1), 5(a2) for forming two 5 magnet type tracks of permanent magnetism in reinforcement loop, magnetic field, in upper and lower side 5 magnet type tracks of permanent magnetism, the pole orientation of the permanent magnet of corresponding polarity along continuous straight runs is opposite.At upper and lower side tracks of permanent magnetism 5 (a1), the nonmagnetic tracks of permanent magnetism protective cover 11 of one deck is covered on surface 5(a2).Upside tracks of permanent magnetism 5(a2) fixing by tracks of permanent magnetism supporting mechanism 6, and can pass through tracks of permanent magnetism supporting mechanism side direction railroad 7, control upside tracks of permanent magnetism 5(a2) along lateral slip, thus can facilitate the load and unload of the magnetic suspension mover of high temperature superconducting magnetic suspension system in practical application.
Before system works, to be fixed in upper and lower side tracks of permanent magnetism 5 (a1) for the cryostat 4 of installation, cooling high-temperature superconducting bulk array and high temperature superconductor coil magnet, position on the upper side, 5 (a2) middle part, to high-temperature superconductor, magnetize and flux control coil 2(a) logical direct current (DC), increase an additional ambient field for high-temperature superconducting block array 1.Then cooling high-temperature superconducting bulk array 1 is to superconducting state.After cooling end, to magnetize and flux control coil 2(a) logical direct current (DC) is decreased to zero gradually, thereby complete magnetizing of high-temperature superconducting block array, then realize 5 (a1s) of high-temperature superconducting block array in upper and lower side tracks of permanent magnetism, 5 (a2) free motion.
Embodiment bis-:
The overall structure of the embodiment of the present invention two is substantially the same manner as Example 1, and as shown in Figure 1, 2, 3, different is only: high-temperature superconductor magnetizes and the flux control coil is magnetized and flux control coil 2(b by 4 YBCO high-temperature superconductors) form.Cooling high-temperature superconducting bulk array 1 is to superconducting state, magnetizing and flux control coil 2(a) logical direct current (DC) remains unchanged, then when the system setting in motion is worked, can be according to system requirements, adjusting is magnetized and flux control coil 2(a) lead to galvanic size, thereby regulate lift force and the guidance force of high temperature superconducting magnetic suspension system.
Embodiment tri-:
The overall structure of the embodiment of the present invention three and embodiment 1 or 2 are basic identical, and as shown in Fig. 1,2,4, different is only: upper and lower side magnetic-levitation is two 2 magnet 3 soft iron type tracks of permanent magnetism 5(b1), 5 (b2).
Every side 2 magnet 3 soft iron type tracks of permanent magnetism are by both sides and middle soft iron, and the composition of the permanent magnet between them, and permanent magnet pole orientation along continuous straight runs in opposite directions or relatively, in upper and lower side tracks of permanent magnetism, the pole orientation of corresponding permanent magnet is opposite.
Embodiment tetra-:
The overall structure of the embodiment of the present invention four and embodiment 1,2,3 are basic identical, as shown in Fig. 1,2,5, different is only: upper and lower side magnetic-levitation is two 3 magnet back iron type tracks of permanent magnetism 5(c1), 5 (c2), by polarity vertically and along magnet and the back iron thereof of cross-sectional direction alternating polarity, form, can be for arbitrarily more than or equal to 3 number of magnets along cross-sectional direction, upper and lower side tracks of permanent magnetism 5(c1), the corresponding permanent magnet magnetizing direction of 5 (c2) is identical.
Embodiment five:
The overall structure of the embodiment of the present invention five and embodiment 1 or 2 are basic identical, as shown in Fig. 1,2,6, different is only: the upside magnetic-levitation adopts the electromagnetic path 5(d2 that is comprised of many groups BSCCO or YBCO high-temperature superconductor flux control coil), the formation loop, magnetic field that the magnetic field of its generation and downside tracks of permanent magnetism 5 (a1) produce.In the course of the work, can also, by regulating the electric current of electromagnetic path coil, come the magnetic field in the adjustable track air gap, thereby regulate lift force and the normal force of magnetic suspension system.
Embodiment six
Overall structure and above-described embodiment of the embodiment of the present invention six are basic identical, different is only: described magnetic field reinforced high-temperature superconducting magnetic suspension system, by two relative upper and lower side magnetic-levitations, high-temperature superconducting block array 1, and form for the cryostat 4 of installation, cooling high-temperature superconducting bulk array.On the high-temperature superconducting block array, do not arrange that high-temperature superconductor magnetizes and the flux control coil.
Embodiment seven:
The overall structure of the embodiment of the present invention seven and embodiment 1-5 are basic identical, as shown in Figure 7.Different is only: described magnetic field reinforced high-temperature superconducting magnetic suspension system, by the magnetic-levitation 5 (a1) on pedestal 8, the BSCCO of high-temperature superconducting block array 1 and upper surface thereof or YBCO high-temperature superconductor magnetize and the flux control coil, and form for the cryostat 4 of installation, cooling high-temperature superconducting bulk array.
Embodiment eight:
The overall structure of the present embodiment eight is the composite structure of the described magnetic field reinforced high-temperature superconducting magnetic suspension system of above-described embodiment, adopt any two groups of magnetic field reinforced high-temperature superconducting magnetic suspension systems, bindiny mechanism by centre, both suspension movers are connected as a single entity, thereby realize bilateral stable suspersion, can be used for magnetic suspension train equimagnetic hovercraft.
Disclosed all features in this specification sheets, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can be combined in any way.
Disclosed arbitrary feature in this specification sheets (comprising any accessory claim, summary and accompanying drawing), unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or similar characteristics.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (9)
1. magnetic field reinforced high-temperature superconducting magnetic suspension system, comprise two relative magnetic-levitations, it is characterized in that: on two magnetic-levitations form, the downside magnetic-levitation, the high-temperature superconducting block array is positioned at, between the downside magnetic-levitation, on, the downside magnetic-levitation is for forming the magnetic-levitation in reinforcement loop, magnetic field, described system also comprises that the high-temperature superconductor of high-temperature superconducting block array upper surface magnetizes and the flux control coil, and for installing, the cryostat of cooling high-temperature superconducting bulk and high temperature superconductor coil magnet, high-temperature superconductor magnetizes and the flux control coil is a coil that independently adopts BSCCO or YBCO belt material of high temperature superconduct to prepare, be installed on one can be simultaneously for the fixing nonmagnetic auxiliary fixing and packaging mechanism of high-temperature superconducting block.
2. magnetic field reinforced high-temperature superconducting magnetic suspension system according to claim 1 is characterized in that: upper and lower side magnetic-levitation is for forming two 5 magnet type tracks of permanent magnetism in reinforcement loop, magnetic field.
3. magnetic field reinforced high-temperature superconducting magnetic suspension system according to claim 2, it is characterized in that: described 5 magnet type tracks of permanent magnetism, for the permanent magnet array that pole orientation is arranged by rule right, upper, left, down, right, in upper and lower side tracks of permanent magnetism magnet array, the pole orientation of the permanent magnet of corresponding magnetic pole along continuous straight runs is opposite.
4. magnetic field reinforced high-temperature superconducting magnetic suspension system according to claim 1 is characterized in that: upper and lower side magnetic-levitation is for forming two 2 magnet 3 soft iron type tracks of permanent magnetism in reinforcement loop, magnetic field.
5. magnetic field reinforced high-temperature superconducting magnetic suspension system according to claim 4, it is characterized in that: described 2 magnet 3 soft iron type tracks of permanent magnetism, by both sides and middle soft iron, and the permanent magnet between soft iron forms, permanent magnet magnetic extreme direction along continuous straight runs in opposite directions or relatively, corresponding permanent magnet pole opposite direction in upper and lower side tracks of permanent magnetism.
6. magnetic field reinforced high-temperature superconducting magnetic suspension system according to claim 1 is characterized in that: upper and lower side magnetic-levitation is for forming two 3 magnet back iron type tracks of permanent magnetism in reinforcement loop, magnetic field.
7. magnetic field reinforced high-temperature superconducting magnetic suspension system according to claim 6, it is characterized in that: described 3 magnet back iron type tracks of permanent magnetism, by polarity vertically and along magnet and the back iron thereof of cross-sectional direction alternating polarity, form, the corresponding permanent magnet magnetic extreme direction in upper and lower both sides is identical.
8. magnetic field reinforced high-temperature superconducting magnetic suspension system according to claim 1, it is characterized in that: the downside magnetic-levitation is tracks of permanent magnetism, the upside magnetic-levitation is the electromagnetic path that many group BSCCO or YBCO high-temperature superconductor flux control coil form, the formation loop, magnetic field that the magnetic field of its generation and downside tracks of permanent magnetism produce.
9. magnetic field reinforced high-temperature superconducting magnetic suspension system, comprise two relative magnetic-levitations, it is characterized in that: on two magnetic-levitations form, the downside magnetic-levitation, the high-temperature superconducting block array is positioned at, between the downside magnetic-levitation, on, the downside magnetic-levitation is for forming the magnetic-levitation in reinforcement loop, magnetic field, described system also comprises that the high-temperature superconductor of high-temperature superconducting block array upper surface magnetizes and the flux control coil, and for installing, the cryostat of cooling high-temperature superconducting bulk and high temperature superconductor coil magnet, high-temperature superconductor magnetizes and the flux control coil is the two cake racetrack coils of two or more BSCCO or YBCO, be installed on one can be simultaneously for the fixing nonmagnetic auxiliary fixing and packaging mechanism of high-temperature superconducting block.
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| CN2011101996891A CN102343832B (en) | 2011-07-18 | 2011-07-18 | Magnetic field reinforced high-temperature superconducting magnetic suspension system |
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| CN2011101996891A CN102343832B (en) | 2011-07-18 | 2011-07-18 | Magnetic field reinforced high-temperature superconducting magnetic suspension system |
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| CN102343832B true CN102343832B (en) | 2013-11-20 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102930916A (en) * | 2012-10-31 | 2013-02-13 | 中国科学院上海应用物理研究所 | High temperature superconducting runway coil array type undulator |
| CN103065759B (en) * | 2013-01-24 | 2015-04-22 | 中国科学院电工研究所 | Superconducting magnet supporting and positioning system |
| CN104377998B (en) * | 2014-11-19 | 2016-09-14 | 东南大学 | Electromagnetic type permanent magnetic guideway formula ejector based on high-temperature superconductor pinning and levitation effect |
| CN105553336A (en) * | 2015-12-23 | 2016-05-04 | 上海大学 | High temperature superconducting magnetic levitation apparatus |
| CN105463957B (en) * | 2015-12-28 | 2017-04-26 | 西南交通大学 | Permanent magnetic guide way |
| CN106026779B (en) * | 2016-07-18 | 2018-07-31 | 西南交通大学 | A kind of method that based superconductive bulk combines structure hybrid magnetic suspended state with superconducting coil |
| CN107336636B (en) * | 2017-06-30 | 2023-06-09 | 西南交通大学 | High-temperature superconductive magnetic suspension system |
| CN109639092B (en) * | 2019-01-28 | 2023-09-29 | 西南交通大学 | Novel bilateral linear synchronous motor using superconductive stacked magnets |
| CN111746293A (en) * | 2019-03-29 | 2020-10-09 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | High-temperature superconducting magnetic suspension propulsion system |
| CN111845367B (en) * | 2019-04-24 | 2022-02-08 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | High-temperature superconducting magnetic suspension start-stop system |
| CN110901410B (en) * | 2019-10-29 | 2021-11-26 | 北京机械设备研究所 | Magnetic suspension traction device of high-temperature superconducting high-speed magnetic suspension train |
| CN111724663A (en) * | 2020-07-23 | 2020-09-29 | 苏州英磁新能源科技有限公司 | Model and teaching aid for demonstrating superconducting levitation phenomenon |
| CN112158077A (en) * | 2020-09-25 | 2021-01-01 | 李瑞琛 | Magnetic suspension device for railway passenger-cargo trailer |
| CN113147418B (en) * | 2021-06-11 | 2024-11-01 | 西南石油大学 | Overbending guide system for high-temperature superconductive maglev train |
| CN113232517A (en) * | 2021-06-29 | 2021-08-10 | 福建师范大学 | High-temperature superconducting block and strip stacking mixed double-sided magnetic levitation system and levitation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1569511B (en) * | 2004-05-12 | 2010-10-06 | 清华大学 | High-temperature superconductive magnetic levitation device |
| CN101771327B (en) * | 2008-12-29 | 2012-04-25 | 电子科技大学 | Linear suspended propulsion system adopting high-temperature superconductive block magnet |
| CN101741276B (en) * | 2009-12-31 | 2013-01-02 | 电子科技大学 | Hybrid high-temperature superconducting linear magnetic suspension synchronous motor |
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