CN212560955U - Guide rail for magnetic suspension train - Google Patents
Guide rail for magnetic suspension train Download PDFInfo
- Publication number
- CN212560955U CN212560955U CN202021473300.9U CN202021473300U CN212560955U CN 212560955 U CN212560955 U CN 212560955U CN 202021473300 U CN202021473300 U CN 202021473300U CN 212560955 U CN212560955 U CN 212560955U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- polygonal
- magnetic steel
- steels
- magnetizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The utility model discloses a guide rail for a magnetic suspension train, which is formed by arranging and combining a plurality of polygonal magnetic steels in a combined mode that the plurality of polygonal magnetic steels are sequentially and closely arranged to form a topological structure, and the polygonal magnetic steels are formed by combining the polygonal magnetic steels with the same structure or combining the polygonal magnetic steels with two or more different structures; the number of the sides of the polygonal magnetic steel is N +1, wherein N is a natural number more than or equal to 2; the magnetizing directions of the adjacent magnetic steels are different, and the magnetizing directions of the adjacent magnetic steels form a certain included angle. When the superconducting magnet is used, the minimum amount of permanent magnets are adopted, the magnetizing direction and the arrangement direction of the magnetic steel are adjusted, the magnetic field intensity above the guide rail and the effective area of the magnetic field intensity are increased, a single-side stronger magnetic field is generated above the guide rail, and the load carrying capacity of the superconductor suspended above the magnetic field is increased.
Description
Technical Field
The utility model relates to a technical field of permanent magnet guide rail, in particular to guide rail for maglev train especially relates to a permanent magnet array that inclination direction magnetized, polygon magnet is constituteed and the guide rail that this kind of permanent magnet array is constituteed.
Background
The superconductor shows zero resistance characteristic of sudden resistance drop and a complete magnetic flux resistance Meissner effect in a superconducting state, and the superposition of the two effects can enable the superconducting material to form an acting force mutually resisting the existing magnetic field, so that the resultant force is zero, and the phenomenon that the superconducting material stably suspends on a constant magnetic field occurs.
The superconductor in common use at present is a second type of superconductor, which does not exhibit complete meissner effect in a mixed state, and a thinner superconductor forms a quantized flux channel inside so that magnetic lines of force can pass through. The part of the magnetic force lines passing through can realize the pinning effect on the superconducting material, and if the position is deviated, the magnetic force lines can pass through the magnetic flow pipeline in a longer path, and then acting force for returning the superconducting material to the original position can be generated according to a first theorem. Therefore, the high temperature superconducting suspension system of the second type of superconductor has a self-stabilizing property and does not need an additional control system.
Conventionally, high-temperature superconducting material levitation is achieved by levitation of a rare earth ReBaCuO superconductor, such as a conventional yttrium barium copper oxide superconductor (YBCO) or gadolinium oxide superconductor (gdbacao). The levitation process is generally to cool the material below the critical temperature in a constant magnetic field, and to capture the material by the constant magnetic field to achieve the pinning effect of the superconductor to the magnetic flux, where the superconducting levitation is a self-stabilizing passive system.
In the conventional superconducting suspension model, permanent magnet guide rails are arranged in an N-S mode only through permanent magnets to form a stable magnetic field so as to achieve the purpose of suspending superconducting materials.
Patents such as CN 106240399B, CN 2027345548U, CN 105463957B, CN 102717725A and CN 105803872B, CN 201049595Y, and CN 106240398B in the prior art are a series, and in this series, improvements to the permanent magnet track of the permanent magnet array therein can be seen. The magnetizing directions of the traditional permanent magnet arrays are opposite in vertical direction, and in a series of patents, the magnetizing directions of the permanent magnets are opposite in vertical direction and opposite in horizontal direction, so that the gain of the magnetic field intensity above the traditional permanent magnet guide rail is achieved. The permanent magnet guide rails for superconducting train levitation described in these patents are all specific rectangular magnetic steels arranged in specific magnetizing directions in horizontal and vertical directions to achieve the purpose of increasing the magnetic field intensity on the rail. The patent also describes the arrangement of 5, 7 and 9 rectangular magnetic steels, but the difference is only that the different magnetic steel arrangements produce the difference between unimodal and multimodal magnetic fields, but the effect of increasing the magnetic field is still limited.
Disclosure of Invention
To the above problem, the utility model provides a guide rail for magnetic suspension train through the polygon magnet steel combination of different shapes to and the adjustment of the angle of magnetizing, make the regular permanent magnet's of arranging of track cross-section the direction of magnetizing, the magnetic field direction of freely propagating in can more compelling the air, with the magnetic field reinforcing that realizes better effect.
The purpose of the utility model can be realized by the following technical scheme:
the guide rail for the magnetic suspension train is characterized in that the guide rail is formed by arranging and combining a plurality of polygonal magnetic steels in a manner that the polygonal magnetic steels are sequentially and tightly arranged to form a topological structure;
the polygonal magnetic steel is formed by combining polygonal magnetic steels with the same structure or two or more polygonal magnetic steels with different structures;
the number of the sides of the polygonal magnetic steel is N +1, wherein N is a natural number more than or equal to 2;
the magnetizing directions of the adjacent magnetic steels are different, and the magnetizing directions of the adjacent magnetic steels form a certain included angle.
Preferably, the magnetizing directions of the adjacent magnetic steels form an included angle β, 0 ° < β <90 °,90 ° < β <180 °.
Preferably, in the topological structure of the guide rail, the number of the polygonal magnetic steel blocks Z satisfies Z4 × N +3, (N ∈ N × wherein the 4 × N (N ∈ N × N) polygonal permanent magnets are replaced by soft magnetic materials with the same structure.
In a further technical scheme, chamfers are arranged on the periphery of the polygonal magnetic steel block, and the chamfers are more than or equal to 0.5mm x 45 degrees.
Furthermore, the polygonal magnetic steel block adopts a triangle, a parallelogram, a pentagon or a hexagon.
Furthermore, the guide rail is formed by splicing two polygonal magnetic steel blocks of a regular hexagon and a regular triangle.
Compared with the prior art, the technical scheme of the utility model except whole technical scheme's improvement, still include the improvement in the aspect of many details, particularly, have following beneficial effect:
1. according to the improved scheme of the utility model, the guide rail is composed of a plurality of polygon magnetic steels in an arrayed manner to form a topological structure, and meanwhile, the magnetizing directions of the adjacent polygon magnetic steels are different, and the adjacent polygon magnetic steels are combined through magnetic field convergence to form a combination on the guide rail, so that the unilateral magnetic field on the surface of the guide rail can be enhanced to the maximum extent;
2. in the technical scheme of the utility model, the polygon magnet steel adopts the topological structure to arrange, realizes the magnetic field direction with different angles in the plane, and the dog-ear of each polygon magnet steel all is equipped with outer chamfer, controls the spatial distribution of magnetic field, effectively improves the ride comfort of guide rail along the driving direction;
3. in the improvement of the utility model, the effective area of the magnetic field intensity and the magnetic field intensity above the guide rail is increased by adjusting the magnetizing direction and the arrangement direction of the magnetic steel by using the least amount of permanent magnets, so that a single-side stronger magnetic field is generated above the guide rail to increase the load-carrying capacity of the superconductor suspended above the guide rail;
4. the utility model discloses a polygon magnet steel compound mode is various, and is rationally distributed, has very strong reinforcing effect to the magnetic field of guide rail top, compares with traditional scheme, and the gain effect reaches more than 40%, is worth promoting and using.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the present invention with the addition of soft magnet.
Fig. 5 is a schematic diagram of a structure comparing the magnetic force lines of the present invention with those of the prior art.
Fig. 6 is a magnetic field contrast diagram of the triangular magnetic steel and the magnetic steel of the prior art.
Fig. 7 is a magnetic field comparison diagram of the optimized prior art magnetic steel and the triangular magnetic steel.
Fig. 8 is a scan diagram of the magnetizing angle after the magnetic steel magnetizing direction is optimized according to an embodiment of the present invention.
Fig. 9 is the schematic structural diagram of the utility model after the cutting of the regular hexagon magnet steel.
Fig. 10 is a schematic structural view of the magnetic steel in fig. 9 after chamfering.
Fig. 11 is a schematic diagram of a ring topology according to an embodiment of the present invention.
Fig. 12 is a schematic structural view of the polygonal magnetic steel arrangement with different shapes of the present invention.
Fig. 13 is a schematic structural view of another polygonal magnetic steel arrangement with different shapes of the present invention.
The labels in the figure are as follows:
1 polygonal magnetic steel, 2 chamfers, 3 soft magnets and 4 magnetic lines of force;
11 regular triangle magnetic steel, 12 regular hexagon magnetic steel, 13 magnetizing directions and 14 rectangle magnetic steel.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
As shown in fig. 2, a guide rail for a magnetic levitation train is different from the prior art in that the guide rail is formed by arranging and combining a plurality of polygonal magnetic steels in a topological structure formed by sequentially and tightly arranging the plurality of polygonal magnetic steels.
In the single-row parallel structure, the number Z of the polygonal magnetic steel blocks meets the requirement that Z is 4 × N +3, (N belongs to N ∈).
Further, be equipped with the chamfer all around of polygon magnet steel piece, the size of chamfer camber can influence the spatial distribution who has magnetic field, so the utility model discloses a chamfer is more than or equal to 0.5mm 45.
Meanwhile, the polygonal magnetic steel is formed by combining polygonal magnetic steels with the same structure or by combining polygonal magnetic steels with two or more different structures, for example, the polygonal magnetic steels can be combined with the hexagonal magnetic steel by adopting triangular magnetic steel.
The number of the sides of the polygonal magnetic steel is 2N or 2N +1, wherein N and N are natural numbers, N is more than or equal to 2, N is more than or equal to 1, and preferably, the polygonal magnetic steel can be selected from triangles, particularly regular triangles, isosceles triangles, parallelograms, isosceles trapezoids, regular pentagons and regular hexagons.
Furthermore, regular triangles, regular pentagons and regular hexagons are preferably adopted as the polygonal magnetic steel, a hexagon in a special shape can be adopted, the special hexagon is formed by evolution of a regular hexagon, one regular hexagon can be regarded as a hexagonal pattern formed by splicing three groups of parallel side edges, any group of parallel side edges are extended at the same distance, the length of the extended new side edge is 1.5-3.5 times of the original side length of the regular hexagon, and a new hexagonal pattern is formed.
The adjacent magnetic steels have different magnetizing directions, an included angle beta exists between the adjacent magnetic steels, the included angle beta is more than 0 degree and less than or equal to 90 degrees, the magnetizing directions of the magnetic steels can be not only up, down, left and right, but also can select angles forming each included angle with a horizontal line, such as 30 degrees, 45 degrees and 60 degrees, single-row parallel polygonal magnetic steels are selected, and the adjacent magnetic steels can rotate clockwise for a certain angle, such as 15 degrees, 30 degrees or 60 degrees and the like from the first magnetic steel on the left.
Furthermore, the magnetic steel block is made of neodymium iron boron permanent magnet and samarium cobalt permanent magnet.
Particularly, the utility model discloses with minimum volume polygon permanent magnet (for example regular triangle, base angle are 120 isosceles trapezoid or regular hexagon), through adjusting the direction of magnetizing and the array orientation of magnet steel and form specific array topological structure, increase guide rail top magnetic field intensity and magnetic field intensity effective area, reach and produce unilateral stronger magnetic field in the top to increase the load capacity of the superconductor of suspension above it.
Example 1
Referring to fig. 2, in the permanent magnet guide rail structure, the number Z of the polygonal magnetic steel blocks satisfies that Z is 4 × N +3, (N is N), in this embodiment, the magnetic steel blocks adopt a regular triangle structure, and a total of seven blocks (that is, N is 1) are sequentially arranged and spliced to form an isosceles trapezoid structure
Furthermore, the magnetizing direction of each polygonal magnetic steel of the guide rail disclosed in this patent is generalized by firstly defining the parallel direction of the upper side line of the guide rail as the horizontal direction, the vector direction facing the cross section of the guide rail, which is perpendicular to the horizontal direction and points to the right, as the positive direction, the magnetizing angle θ is changed from the horizontal direction in the counterclockwise positive direction, and the local coordinate system of the permanent magnet guide rail is the right-hand system. Alpha does the utility model discloses well magnetization direction and the horizontal contained angle of right direction of first piece magnet steel of array, in this embodiment, the magnetization direction of the first piece magnet steel on the left side is for following horizontal direction anticlockwise rotation 30, then start from first piece magnet steel, lay six magnet steels earlier, the magnetization direction anticlockwise rotation 60 of the more preceding piece magnet steel of the magnetization direction of every piece magnet steel that in proper order rightwards, then lay a triangle-shaped magnet steel that magnetizes direction level left at the intermediate position of six magnet steels, lay the magnetization direction of magnet steel that closes on like this and can not cause assembling and the emergence of partial demagnetization phenomenon of magnetic pole, can be clear see in figure 2, the magnetism induction line assembles and forms magnetic field together and assembles, play the effect in further reinforcing magnetic field. Here, it is necessary to further distinguish magnetic field convergence as shown in fig. 2 and magnetic pole convergence as shown in fig. 3, and the same magnetic poles are converged together, so that the effect is not good and a magnetic back phenomenon occurs.
The magnetic force line graph obtained by setting different magnetizing directions and arrangement layouts of the regular triangular magnetic steel is shown in fig. 5, compared with a comparison file, the left side of the magnetic steel is a magnetic force line of a permanent magnet array formed by the traditional rectangular magnetic steel, the magnetizing directions of the rectangular magnetic steel are upper, lower, left and right, and the right side of the magnetic steel is a magnetic force line of the regular triangular section permanent magnet array of the embodiment.
Further, carry out finite element simulation calculation through the magnetic field distribution condition to track top 10mm department, can be obvious see the utility model discloses permanent magnet array is to traditional permanent magnet array's reinforcing effect, according to figure 6's calculation result, under the condition of the same permanent magnet sectional area, it is timely to control the permanent magnet quantity promptly, the utility model discloses the top 10mm magnetic field distribution that reaches and traditional rectangle cross section permanent magnet array top 10mm magnetic field distribution are to for example as shown in figure 6, and wherein the dotted line represents the magnetic field distribution of traditional rectangle cross section permanent magnet, and the solid line represents the utility model discloses embodiment 1's triangle-shaped cross section permanent magnet's magnetic field distribution, the cross axle is guide rail horizontal distance, and the axis of ordinates is the magnetic flux density of guide rail top 10mm department. According to the results, the maximum value of the magnetic field is increased from 0.54T to 0.9T, the gain value can reach 67 percent which is surprising compared with the traditional scheme, and the gain can reach 40 to 60 percent under the condition of considering the influence of the actual machining process and the influence of chamfering.
In order to further verify the utility model the gain degree of the mode of magnetizing to guide rail top 10mm department magnetic field, the utility model discloses in still optimize the aspect ratio to rectangular cross section permanent magnet in the reference, optimize the result and show, 1260mm that confirm that the equal proportion reduces2Under the condition of unchanging sectional area, the width of the traditional permanent magnet with rectangular section magnetized in the vertical direction is optimally 9.1mm, and the width of the traditional permanent magnet magnetized in the horizontal direction is permanentlyThe width of the rectangular section of the magnet is 29.4mm, the height of the guide rail is 14.6mm, and the maximum value of the magnetic field intensity reached 10mm above the width is improved from 0.54T to 0.63T, thereby proving the feasibility of the optimization method. As shown in fig. 7, the cross axle in the picture is guide rail horizontal distance, and the axis of ordinates is the magnetic flux density of guide rail top 10mm department, and the dotted line is the best magnetization scheme of traditional rectangle, and the biggest magnetic density that can reach after size optimization, the solid line does the utility model discloses embodiment one in the permanent magnet array top 10 mm's in equilateral triangle cross-section magnetic field distribution, can see that this patent still can reach 43% than the magnetism density after traditional best magnetization optimal size optimizes jointly. The influence of the processing technology and the chamfer angle is eliminated, the gain effect can still reach 25% -40%, and the superiority of the scheme is proved.
Meanwhile, we can calculate the flux density in the Z direction of the guide rail in fig. 2:
wherein mu0For the permeability of the selected material, M0Magnetic susceptibility of the selected material, hpmIs the thickness of the permanent magnet guide rail.
The method for calculating the suspension force suspended above the guide rail comprises the following steps:
wherein JcIs the critical current density; b iszIs the vertical direction magnetic flux density; l, W, H is the length, width and height of the suspended high-temperature superconducting bulk; δ is the magnetic field penetration depth.
Wherein
Is superconductingA block trapping field; and lambda is a long-post coefficient.
According to the above formula, the utility model discloses a B in the formula can be let to each magnet steel direction of magnetizing and arrangementzAnd the molecules are increased, and all others are unchanged, so that the finally obtained guiding force and the penetration depth of the magnetic field suspended above the guide rail are greatly enhanced.
Further, if the bottom side of the first triangular magnetic steel from left to right is specified to be in the horizontal direction, the included angle between the magnetizing direction of the first triangular magnetic steel and the horizontal right direction is alpha
(Here, [ 2 ]]Identify a range of values, see in particular fig. 2-4); the angle theta (theta belongs to R) between the magnetizing direction of each magnetic steel of the whole permanent magnet array and the horizontal right direction, and if the counterclockwise direction of the angle is positive, the ith magnetic steel (i belongs to N)*) Direction of magnetization
The term in this formula]Representing a rounding function.
More preferably, the patent further optimizes the magnetizing direction of the guide rail formed by 7 pieces of triangular magnetic steel in embodiment 1, and the optimization result is shown in fig. 8, which is a magnetic steel guide rail magnetizing angle scanning graph with a triangular cross section, each curve represents different magnetizing angles, the horizontal axis is the guide rail distance, and the vertical axis is the magnetic density at 10 mm. The result shows that when the magnetizing direction of the first permanent magnet in the guide rail array forms an angle of 56-60 degrees with the horizontal direction, namely theta (1) is between 56-60 degrees, the maximum value of the magnetic field intensity above the guide rail is optimal; when the magnetizing direction of the first permanent magnet of the guide rail array forms an angle of 43-47 degrees with the horizontal direction, namely theta (1) is 43-47 degrees, the effective area of the magnetic field intensity above the guide rail is optimal.
Example 2
Referring to fig. 3, a permanent magnet array composed of 7 equilateral triangles arranged in a single row is also provided, a right-hand system coordinate is adopted, the magnetizing direction of the first magnetic steel on the left is rotated 30 degrees counterclockwise to the right along the horizontal direction, then from the first magnetic steel, six magnetic steels are firstly arranged, the magnetizing direction of each magnetic steel sequentially rotates 60 degrees counterclockwise than that of the previous magnetic steel, then a triangular magnetic steel with the magnetizing direction horizontal to the left is arranged at the middle position of the six magnetic steels, compared with embodiment 1, the most main difference lies in that the arrangement modes of the two magnetic steels are different, the magnetizing direction of the magnetic steels of embodiment 2 enables adjacent magnetic steels to form convergence along the magnetizing direction vertex angles, the same magnetic poles in actual production converge together to form magnetic pole convergence, which can cause the magnetic steel with the triangular section to generate partial demagnetization, thereby affecting the magnetic field distribution on the surface of one side, therefore, the effect of the arrangement mode is poorer than that of the embodiment 1, but the experimental result shows that the magnetic field gain of the permanent magnet array structure can still achieve 8-42% compared with that of the permanent magnet array structure in the prior art shown in the figure 1.
Example 3
In the array structure, the number of the polygonal magnetic steel blocks Z meets the requirement that Z is 4 x N +3, wherein the 4 th x N (N belongs to N) blocks of polygonal permanent magnets can be replaced by soft magnetic materials with the same structure. Therefore, for the permanent magnet array of embodiment 2, if one of the magnetic steels is replaced by a soft magnet, different effects can be produced. As shown in fig. 4, the gray part in the figure is the substituted soft magnetic material, the direction of the internal magnetic flux is approximately close to the horizontal direction, and the addition of the soft magnetic material can greatly reduce the magnetic field intensity of the left and right magnetic poles, thus reducing the demagnetization problem caused by convergence of the same magnetic poles. However, since the permanent magnet is replaced by the soft magnetic material, the magnetic field intensity on the surface of the permanent magnet is greatly reduced, and compared with the arrangement mode in the embodiment 1 of the present invention, the magnetic field intensity 10mm above the permanent magnet is reduced by 15-30%, so that the magnetic field intensity above the magnet array of the comparison document in fig. 1 can only achieve a gain of 10-12%.
And embodiment 1 of the utility model discloses an optimization mode that then is not suitable for and uses soft magnetic material because the permanent magnet of two adjacent equilateral triangle cross sections makes magnetic field produce bigger rotation because of topological structure, so if use soft magnetic material to carry out the magnetic flux conduction, then its inside magnetic field that can form a vortex has caused the waste of energy greatly to reduce the table magnetism.
Example 4
The guide rail is formed by connecting a plurality of magnetic steels in sequence to form a topological structure. Referring to fig. 9, the polygonal magnetic steel adopts a regular hexagon permanent magnet, and then the regular hexagon permanent magnet is equally divided into six identical permanent magnets with equilateral triangular cross sections, and the six identical equilateral triangle magnetic steels form a hexagonal topological structure as shown in fig. 9.
Further, as shown in fig. 10, each corner of each triangular permanent magnet is chamfered, and the chamfer angle is more than or equal to 0.5mm × 45 °, so as to complete the final topological shape of the triangular section permanent magnet. The finished permanent magnet with the triangular section is simply arranged in the positive and negative directions, so that a rightward magnetizing direction with an included angle of 30 degrees between the first magnetic steel and the horizontal direction as shown in figures 2 and 3 can be formed.
Similarly, the production mode of the magnetized triangular section magnetic steel parallel to the bottom edge direction can be completed only by rotating the triangular permanent magnet by 30 degrees. The permanent magnet with the equilateral triangle section obtained in the two steps is the permanent magnet in fig. 2 and 3 in the specific embodiment of the invention.
Furthermore, the polygonal magnetic steel can also be cut from the hexagonal permanent magnet. In the same way, a hollow regular hexagon permanent magnet is magnetized and machined, and more triangular magnetic steels can be obtained under the single magnetizing operation.
Further, through the permanent magnet of the different shapes of adjustment adoption, can accomplish the magnetization of different angles at the in-process that magnetizes, perhaps adopt different cutting methods, for example as shown in fig. 11, form isosceles trapezoid magnet steel after the cutting, then accomplish the permanent magnet array through rotatory isosceles trapezoid amalgamation, just can design and process the magnet steel magnetization direction of constituteing the guide rail through this kind of method. Preferably, the polygonal magnetic steel block adopts a triangular, isosceles trapezoid or regular hexagon structure.
Example 5
In the topological structure, the guide rail is formed by splicing two magnetic steel blocks of a regular hexagon and a regular triangle, referring to fig. 13, a group of 5 regular hexagon magnetic steel blocks are arranged in parallel, two regular triangle magnetic steel blocks are arranged between the adjacent regular hexagon magnetic steel blocks, the two regular triangles are arranged in an up-and-down symmetrical mode by taking a vertex angle as a circle center, the magnetizing directions of the two regular triangles are the same, the magnetizing direction of the regular hexagon is a horizontal direction or a vertical square, the included angle between the magnetizing direction of the regular triangle and the magnetizing method of the adjacent regular hexagon is 45 degrees or 135 degrees, and the side length of the regular triangle is the same as that of the regular hexagon.
Particularly, the first magnet steel of the left side is regular hexagon magnet steel, and the direction of magnetizing is perpendicular downwards, and the second regular hexagon magnet steel, the direction of magnetizing is the level right, and the direction of magnetizing of hou mian regular hexagon magnet steel is the angle after the 90 degrees of anticlockwise rotation of the direction of magnetizing of preceding regular hexagon magnet steel, so, the direction of magnetizing of 5 regular hexagon magnet steel is perpendicular downwards in proper order, and the level right, perpendicular upwards, the level is left and perpendicular downwards.
The magnetizing direction of the first group of regular triangle magnetic steels is clockwise rotated by 30 degrees along the horizontal right direction, and the magnetizing direction of the later group of regular triangle magnetic steels is an angle formed by counterclockwise rotating by 90 degrees of the magnetizing direction of the former group of regular triangles.
The guide rail formed in this way can enhance the unilateral magnetic field on the surface of the guide rail to the maximum extent.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention shall include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art, and shall be subject to the appended claims.
Claims (9)
1. The guide rail for the magnetic suspension train is characterized in that the guide rail is formed by arranging and combining a plurality of polygonal magnetic steels in a mode that the polygonal magnetic steels are sequentially and tightly arranged to form a topological structure, and the polygonal magnetic steels are formed by combining polygonal magnetic steels with the same structure or combining two or more polygonal magnetic steels with different structures;
the number of the sides of the polygonal magnetic steel is N +1, wherein N is a natural number more than or equal to 2;
the magnetizing directions of the adjacent magnetic steels are different, and the magnetizing directions of the adjacent magnetic steels form a certain included angle.
2. The guideway for magnetic levitation trains as claimed in claim 1, wherein the magnetizing directions of adjacent magnetic steels form an angle β, 0 ° < β ≦ 90 °.
3. The guideway for magnetic levitation trains as claimed in claim 1, wherein the number of polygonal magnet steel blocks Z in the topology satisfies Z4N +3, (N e N)*)。
4. The guideway for magnetic levitation trains as claimed in claim 3, wherein the topological structure of polygonal magnetic steel is 4 x N, (N e N)*) The block polygon permanent magnet is replaced with a soft magnetic material of the same structure.
5. The guideway for magnetic levitation trains as claimed in claim 3, wherein the polygonal magnetic steel blocks are provided with chamfers around the circumference, the chamfers being 0.5mm x 45 °.
6. The guideway for magnetic levitation trains as claimed in claim 1, wherein the polygonal magnetic steel blocks are triangular, parallelogram, pentagon or hexagon.
7. The guideway for magnetic levitation trains as claimed in claim 1, wherein the topological structure is a polygonal magnetic steel with the same shape, the polygonal magnetic steel blocks are regular triangles, the bottom side of the first triangular magnetic steel block from left to right is defined as horizontal direction, the angle between the magnetizing direction of the first triangular magnetic steel and the horizontal right square is defined as α, then
Entire permanent magnet arrayThe angle theta (theta belongs to R) between the magnetizing direction of each magnetic steel of the formed guide rail and the horizontal right direction, and if the counterclockwise direction of the angle is positive, the ith magnetic steel (i belongs to N)*) Direction of magnetization
8. The guideway for maglev trains according to claim 1, wherein in the topological structure, the guideway is formed by splicing two kinds of magnetic steel blocks of regular hexagon and regular triangle, a group of 5 regular hexagon magnetic steel blocks are arranged side by side, two regular triangle magnetic steel blocks are arranged between adjacent regular hexagon magnetic steel blocks, the two regular triangles are arranged up and down symmetrically by taking a vertex angle as a circle center, the magnetizing directions of the two regular triangles are the same, the magnetizing direction of the regular hexagon is horizontal or vertical, the included angle between the magnetizing direction of the regular triangle and the magnetizing method of the adjacent regular hexagon is 45 degrees or 135 degrees, and the side length of the regular triangle is the same as the side length of the regular hexagon.
9. A guideway for a magnetic levitation train as recited in claim 1, wherein the magnetic steel block is made of rare earth permanent magnets such as neodymium iron boron permanent magnet and samarium cobalt permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473300.9U CN212560955U (en) | 2020-07-23 | 2020-07-23 | Guide rail for magnetic suspension train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473300.9U CN212560955U (en) | 2020-07-23 | 2020-07-23 | Guide rail for magnetic suspension train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212560955U true CN212560955U (en) | 2021-02-19 |
Family
ID=74630765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021473300.9U Active CN212560955U (en) | 2020-07-23 | 2020-07-23 | Guide rail for magnetic suspension train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212560955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764205A (en) * | 2020-07-23 | 2020-10-13 | 苏州英磁新能源科技有限公司 | Guide rail for magnetic suspension train |
-
2020
- 2020-07-23 CN CN202021473300.9U patent/CN212560955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764205A (en) * | 2020-07-23 | 2020-10-13 | 苏州英磁新能源科技有限公司 | Guide rail for magnetic suspension train |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111762028A (en) | Magnetic suspension train system and suspension track thereof | |
| CN212529328U (en) | Magnetic suspension train system and suspension track thereof | |
| CN212560955U (en) | Guide rail for magnetic suspension train | |
| CN109887700A (en) | High-temperature superconductor band stackable unit and aligning method, Dewar, magnetic-levitation train and system | |
| CN212533558U (en) | Permanent magnet suspension track | |
| CN111172823A (en) | Halbach type permanent magnet track | |
| US20220208397A1 (en) | Stellarator magnet based on cubic permanent magnet blocks and arrangement optimization method thereof | |
| CN111799054B (en) | Permanent magnet array | |
| CN105803872A (en) | Permanent magnet guide rail | |
| CN111764205A (en) | Guide rail for magnetic suspension train | |
| CN201049595Y (en) | High temperature superconductive magnetic suspension system for T-type permanent-magnet guide rail | |
| CN215441227U (en) | Halbach type permanent magnet track with high temperature stability | |
| CN203209167U (en) | High-gradient magnetic concentration medium for high intensity magnetic separator | |
| CN214984848U (en) | High-temperature superconducting bulk and strip stacking hybrid magnetic levitation system with high levitation performance | |
| CN210429451U (en) | Halbach permanent magnet array device with symmetrical geometric structure | |
| CN214506910U (en) | Superconducting suspension guide rail provided with soft magnetic material | |
| CN111724663A (en) | Model and teaching aid for demonstrating superconducting levitation phenomenon | |
| CN111756277A (en) | Superconducting suspension guide rail provided with soft magnetic material | |
| Zhou et al. | Vertical magnetic field distribution characteristics of triple-peak Halbach array pmg and its engineering application in HTS maglev train | |
| US5222437A (en) | Levitation system of a magnetically levitated train | |
| CN111799055B (en) | Magnetizing and using method of polygonal magnetic steel | |
| CN215662975U (en) | High-temperature superconducting strip stacking magnetic levitation system with high guiding performance | |
| CN202159545U (en) | Length-adjustable clearance reactor capable of working for a long time | |
| CN206049668U (en) | High-temperature superconducting magnetic levitation tracks of permanent magnetism magnetic field super-high structure | |
| CN114875727B (en) | Protruding type double-deck permanent magnetism track |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |