CN101875318A - Magnetic suspension train - Google Patents
Magnetic suspension train Download PDFInfo
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- CN101875318A CN101875318A CN2009100647415A CN200910064741A CN101875318A CN 101875318 A CN101875318 A CN 101875318A CN 2009100647415 A CN2009100647415 A CN 2009100647415A CN 200910064741 A CN200910064741 A CN 200910064741A CN 101875318 A CN101875318 A CN 101875318A
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Abstract
The invention discloses a magnetic suspension train which belongs to the field of vehicles. The magnetic suspension train comprises a train body and a rail, wherein a magnetic suspension device and a power source are arranged between the train body and roadbeds, and the magnetic suspension device is a magnetic resistance type magnetic suspension device; yokes I and yoke brackets of the magnetic resistance type magnetic suspension device constitute the rail; and magnets and magnet brackets are fixed at the bottom of the train body. The invention is driven by a linear motor, and the magnets in the magnetic suspension device are arranged in an array mode, thereby having a simple structure; the magnetic suspension device has great magnetic force, and can work at ordinary temperature; the rail comprises the yokes and yoke brackets, thereby having low cost; and the magnetic suspension device does not need power supply in operation, thereby consuming little energy.
Description
Technical field
The invention belongs to field of vehicles, be specifically related to a kind of magnetically supported vehicle.
Background technology
Magnetic suspension train is to utilize magnetic force that train is suspended on the track, the no touch ground operation vehicle that adopt motor to advance.The magnetic suspension mechanism that magnetically supported vehicle uses mainly contains three classes: normal conducting electromagnetic levitation, suspension that superconducting magnetic suspends and permanent-magnet homopolar repels each other.Normal conducting electromagnetic levitation needs power consumption, control technology complexity, equipment manufacturing cost height.Superconducting magnetic suspends need provide ultra-low temperature surroundings, the energy consumption height, and rail involves great expense; The power consumption that suspends is few though permanent-magnet homopolar repels each other, and needs to lay tracks of permanent magnetism, and cost height, layout complexity, construction work amount are big.
Haier's Bake array is a kind of special magnet arrangements form that Halbach finds, is the Halbach array again, and the unit magnetic patch that is changed according to certain rules by the magnet direction constitutes, so that magnet one side magnetic field strengthened, and opposite side is weakened almost nil.
Summary of the invention
The problem that the present invention will solve is existing magnetic suspension train complex structure, cost is high provides a kind of simple in structure, cost is low, power consumption is little magnetic suspension train.
Technical scheme of the present invention realizes with following method:
A kind of magnetically supported vehicle comprises car body and track, and magnetic levitation device that is provided with between car body and the roadbed and propulsion source, magnetic levitation device are magnetic resistance type magnetic suspension devices.
The yoke I and the yoke of described magnetic resistance type magnetic suspension device are configured to track, and magnet and magnet frame are fixed on the car body bottom.
One row magnetic resistance type magnetic suspension device is set between car body and the roadbed at least.
Described propulsion source is linear electric motors.
Described linear electric motors are line inductance electromotor, and the primary fixed of line inductance electromotor is in the car body bottom, and secondary fixed is on roadbed.
Described linear electric motors are permanent-magnetism linear motor, and permanent-magnetism linear motor is a reversal of the natural order of things setting, car body bottom fixed L type support, and the fixing and cooresponding inverted L shape support of L type support is provided with permanent-magnetism linear motor between L type support and the inverted L shape support on the roadbed.
The secondary fixed of permanent-magnetism linear motor is in L type support upper end, and primary fixed is in inverted L shape support lower end.
In the middle part of the permanent-magnetism linear motor of described reversal of the natural order of things setting is fixed at the bottom of the car.
The permanent-magnetism linear motor of described reversal of the natural order of things setting is fixed on the car body both sides.
Described linear electric motors are line inductance electromotor, two elementary secured in parallel of line inductance electromotor are in motor frame inboard, and two are provided with track between elementary, and described track is the secondary of line inductance electromotor, direction along ng a path, described motor frame and magnet frame are spaced, are fixed on the car body bottom surface.
The present invention adopts linear motor driving, and the magnet in the used magnetic levitation device is that array is arranged, and simple in structure, magnetic levitation device magnetic force is big, promptly can work at normal temperatures; Used track comprises yoke and yoke frame, and cost is low; Magnetic levitation device does not need power supply at work, and it is little to consume energy.
Description of drawings
Fig. 1 looks scheme drawing for the master of magnetic suspension train of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional schematic;
Fig. 3 is that the B-B of embodiment 1 among Fig. 1 is to cross-sectional schematic;
Fig. 4 is arranged on the A-A at middle part at the bottom of the car to cross-sectional schematic for embodiment 3 permanent-magnetism linear motors among Fig. 1;
Fig. 5 is arranged on the A-A at car body two ends to cross-sectional schematic for embodiment 3 permanent-magnetism linear motors among Fig. 1;
Fig. 6 is the cross-sectional schematic of magnetic levitation device embodiment A among the present invention;
Fig. 7 is the magnetic line of force distribution schematic diagram of two row Halbach arrays in the magnetic levitation device embodiment A;
Fig. 8 be in the magnetic levitation device embodiment A yoke I at the stressed hour magnetic line of force distribution schematic diagram of vertical direction;
Fig. 9 is yoke I magnetic line of force distribution schematic diagram when the stressed maximum of vertical direction in the magnetic levitation device embodiment A;
Figure 10 is the variation relation scheme drawing of the power of the suffered vertical direction of yoke I in the magnetic levitation device embodiment A along with the relative displacement of yoke I and Halbach array;
Figure 11 is the cross-sectional schematic of magnetic levitation device Embodiment B among the present invention;
Figure 12 is the magnetic line of force distribution schematic diagram of two row Halbach arrays in the magnetic levitation device Embodiment B;
Figure 13 be in the magnetic levitation device Embodiment B yoke I at the stressed hour magnetic line of force distribution schematic diagram of vertical direction;
Figure 14 is yoke I magnetic line of force distribution schematic diagram when the stressed maximum of vertical direction in the magnetic levitation device Embodiment B;
Cross-sectional schematic when Figure 15 is 5 groups for the magnet of every row Halbach array in the magnetic levitation device;
Figure 16 is the cross-sectional schematic of magnetic levitation device Embodiment C among the present invention;
Figure 17 is the magnetic line of force distribution schematic diagram of two row spaced array in the magnetic levitation device Embodiment C;
Figure 18 be in the magnetic levitation device Embodiment C yoke I at the stressed hour magnetic line of force distribution schematic diagram of vertical direction;
Figure 19 is yoke I magnetic line of force distribution schematic diagram when the stressed maximum of vertical direction in the magnetic levitation device Embodiment C;
Figure 20 is the variation relation scheme drawing of the power of the suffered vertical direction of yoke I in the magnetic levitation device Embodiment C along with the relative displacement of yoke I and spaced array;
Cross-sectional schematic when Figure 21 is 3 groups for the magnet of the every row spaced array of magnetic levitation device Embodiment C;
Figure 22 is the cross-sectional schematic that has the magnetic resistance type magnetic suspension device of registration device;
Figure 23 is that the B-B of embodiment 2 among Fig. 1 is to cross-sectional schematic;
Figure 24 is a cross-sectional schematic of the present invention of having only a row magnetic resistance type magnetic suspension device;
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of magnetically supported vehicle comprises car body 1 and track, and linear electric motors propulsion source and two row magnetic levitation devices are set between car body and the roadbed, and described magnetic levitation device is a magnetic resistance type magnetic suspension device 3.The yoke I 7 of described magnetic resistance type magnetic suspension device and yoke frame 6 constitute track, and magnet and magnet frame 10 are fixed on the car body bottom.Described linear electric motors are line inductance electromotor 5, and line inductance electromotor 5 is arranged between car body and the roadbed.The primary fixed of line inductance electromotor 5 is in the car body bottom, and secondary fixed is on roadbed.The position of described primary and secondary can be changed.Described magnetic levitation device can be row, as shown in figure 24.
As shown in figure 23, described linear electric motors are line inductance electromotor 5, two elementary secured in parallel of line inductance electromotor 5 are in motor frame 14 inboards, two are provided with track between elementary, described track is the secondary of line inductance electromotor 5, direction along ng a path, described motor frame 14 and magnet frame 10 are spaced, are fixed on the car body bottom surface.
As shown in Figure 4, described linear electric motors are permanent-magnetism linear motor 12, and permanent-magnetism linear motor 12 is reversal of the natural order of things settings, car body bottom fixed L type support 8, fixing and the cooresponding inverted L shape support 9 of L type support is provided with permanent-magnetism linear motor 12 between L type support 8 and the inverted L shape support 9 on the roadbed.The secondary fixed of permanent magnetic linear synchronous motor 12 is in L type support upper end, and primary fixed is in inverted L shape support lower end.In the middle part of the permanent-magnetism linear motor of described reversal of the natural order of things setting is fixed at the bottom of the car.Perhaps as shown in Figure 5, the permanent-magnetism linear motor of described reversal of the natural order of things setting is fixed on the car body both sides.Other structure is with embodiment 1.
The magnetic resistance type magnetic suspension device of the strip in the patent that magnetic levitation device described in Fig. 1～5 and Figure 23,24 such as we apply in " a kind of magnetic resistance type magnetic suspension device ".The magnetic resistance type magnetic suspension device specification sheets is as follows:
The magnetic resistance type magnetic suspension device embodiment A
As shown in Figure 6, magnetic resistance type magnetic suspension device comprises magnet frame 101, the magnet array 102 of two row with the Halbach array format fixed in both sides in the magnet frame 101 of non-magnetic conduction, 102 parallel, the contour arrangements of two row Halbach arrays, every row Halbach array 102 comprises three magnets, and wherein the direction of magnetization of three magnets is as follows from top to bottom for row: straight up, level to the right, straight down; The direction of magnetization of three magnets is as follows from top to bottom in cooresponding with it another row: straight down, level to the right, straight up, constitute flux loop between the two row Halbach arrays 102; Between the two row Halbach arrays 102 is the yoke I 103 of magnetic conduction, and yoke I 103 equates that with the air gap of both sides Halbach array 102 yoke I 103 is supported by the yoke frame 104 of non-magnetic conduction.
The Halbach array is a special magnet arrangements form, and a side of array produces very strong magnetic field, and opposite side magnetic field is very weak.Two row Halbach arrays are parallel to each other and contour among the present invention, utilize two high-intensity magnetic fields that array produced to constitute flux loop, its magnetic line of force distributes as shown in Figure 7, and path, magnetic field, two Halbach array 102 centers is the shortest, and path, magnetic field, two ends is the longest up and down.Know by the shortest principle of magnetic circuit, when yoke I 103 enters or withdraws from this high-intensity magnetic field, the magnetic circuit magnetic resistance change rate produces powerful reluctance force, and this reluctance force attempts to make the path, magnetic field to shrink towards the shortest direction, is one and makes motion parts revert to the restoring force that the magnetic resistance minimum position is a balance position.
Magnetic line of force distribution schematic diagram when Fig. 8 is the central lines of yoke I line of centers and Halbach array 102 center magnet, magnetic line of force passes yoke with the near linear form, and this moment, the path, magnetic field was the shortest, the stressed minimum of yoke I 103 vertical directions; Fig. 9 is the magnetic line of force distribution schematic diagrams of yoke I 103 lower surfaces when concordant with the upper surface of Halbach array 102 center magnet, magnetic line of force passes yoke I 103 with the form of curve, this moment, the path, magnetic field was the longest, according to the shortest principle of magnetic circuit, yoke I 103 is subjected to magnet answer magnetic force straight down so that the shortest through the magnetic line of force of yoke I 103.In like manner, when yoke I 103 upper surfaces were parallel with the lower surface of Halbach array 102 center magnet, yoke I 103 was subjected to the downward restoring force of magnet so that the shortest through the magnetic line of force of yoke I 103.
Relation between yoke I 103 stressed sizes and magnet and the yoke I vertical displacement as shown in figure 10, described x axle is meant vertical direction relative displacement between magnet and the yoke I, described y axle is the magnetic force of the vertical direction of yoke I 103 suffered magnets.Balance position refers among the figure: yoke I 103 line of centerss overlap the position with the horizontal center line of Halbach array 102 center magnet, and when yoke I 103 moved up, yoke I 103 was subjected to the downward restoring force of magnet; Otherwise when yoke I 103 moved down, yoke I 3 was subjected to the restoring force that magnet makes progress, and it is far away more to depart from balance position, and the suffered restoring force of yoke I 103 is big more.When or yoke I 103 upper surfaces parallel with the upper surface of Halbach array 102 center magnet were parallel with the lower surface of Halbach array 102 center magnet when yoke I 103 lower surfaces, yoke I 103 was subjected to the restoring force maximum of magnet.
In the magnetic resistance type magnetic suspension device shown in Fig. 6～10, the quantity of magnet can be 5 groups in described every row Halbach array 102, in every row Halbach array 102 five groups of magnets are arranged, 102 parallel, the contour arrangements of two row Halbach arrays, constitute field circuit, cooresponding yoke I 103 is two, is connected by non-magnet material between two yoke I 103, as shown in figure 15.
The magnetic resistance type magnetic suspension device Embodiment B
As shown in figure 11, the fixing yoke II 108 in Halbach array 102 bottoms, fixing yoke III 109 between Halbach array 102 and the magnet frame 101, the same embodiment A of other structure.
As shown in figure 12, two row Halbach arrays, 102 upper/lower terminals are respectively fixedly after yoke II 108 and the III 109, the magnetic line of force distribution schematic diagram between the two row Halbach arrays 102.Path, magnetic field, two Halbach array 102 centers is the shortest, and path, magnetic field, two ends is the longest up and down.With the embodiment A principle as can be known, when yoke I 103 horizontal center lines overlapped with the middle horizocardia line of Halbach array 102 center magnet, yoke I 103 was subjected to vertical direction power minimum.When yoke I 103 moved up, yoke I 103 was subjected to the downward restoring force of magnet; Otherwise, when yoke I 103 moves down, yoke I 103 is subjected to the restoring force that magnet makes progress, magnetic field, Halbach array 102 center is far away more, the suffered restoring force of yoke I 103 is big more, when or yoke I 103 upper surfaces parallel with the upper surface of Halbach array 102 center magnet were parallel with the lower surface of Halbach array 102 center magnet when yoke I 103 lower surfaces, yoke I 103 was subjected to the restoring force maximum of magnet.The stressed hour magnetic line of force distribution schematic diagram of yoke I 103 vertical direction in two row Halbach arrays 102 as shown in figure 13, stressed when maximum as shown in figure 14.Compare with embodiment A, after Halbach array 102 two ends added yoke II 108 and yoke III 109, leakage field reduced, and the magnetic field between the array is strengthened, the corresponding increase of yoke I 103 suffered restoring forces.
In the magnetic resistance type magnetic suspension device shown in Figure 11～14 and Figure 23,24, the quantity of magnet can be 5 groups in every row Halbach array 102, in every row Halbach array 102 five groups of magnets are arranged, 102 parallel, the contour arrangements of two row Halbach arrays, constitute field circuit, cooresponding yoke I 103 is two, is connected by non-magnet material between two yoke I 103.
The magnetic resistance type magnetic suspension device Embodiment C
As shown in figure 16, both sides are fixed between magnet array 111, the two row spaced array 111 of two row with the alternate form arrangement and are constituted flux loop, 111 parallel, the contour arrangements of two row spaced array in the magnet frame 101, every row spaced array 111 comprises two magnets, between two magnets noseiron 110 is set; The direction of magnetization of two magnets is vertical direction and the direction of magnetization is opposite, and in the two row spaced array 111, the two magnet direction of magnetizations that are in parallel position are opposite; Be the yoke I 103 of magnetic conduction between the two row spaced array 111, yoke I 103 equates that with the air gap of both sides spaced array 111 yoke I 103 is supported by the yoke frame 104 of non-magnetic conduction.
As shown in figure 17, the magnetic line of force distribution schematic diagram between the two row spaced array 111.Path, magnetic field, two spaced array 111 centers is the shortest, and path, magnetic field, two ends is the longest up and down.With the embodiment A principle as can be known, during the central lines of noseiron 110, yoke I 103 is subjected to vertical direction power minimum in yoke I horizontal center line and the spaced array 111.When yoke I 103 moved up, yoke I 103 was subjected to the downward restoring force of magnet; Otherwise, when yoke I 103 moves down, yoke I 103 is subjected to the restoring force that magnet makes progress, it is far away more to depart from spaced array 111 central magnetic fields, the suffered restoring force of yoke I 103 is big more, when or yoke I 103 upper surfaces parallel with the upper surface of noseiron 110 were parallel with the lower surface of noseiron 110 when yoke I 103 lower surfaces, yoke I 103 was subjected to the restoring force maximum of magnet.The stressed hour magnetic line of force distribution schematic diagram of yoke I 103 vertical direction in two row spaced array 111 as shown in figure 18, stressed when maximum as shown in figure 19.The power of the suffered vertical direction of yoke I along with the variation relation of the relative displacement of yoke I and spaced array as shown in figure 20.
In magnetic resistance type magnetic suspension device as described in Figure 16～20, the quantity of magnet can be 3 groups in every row spaced array 11, and corresponding noseiron 110 is two; Magnet and noseiron 110 are alternately arranged, and the direction of magnetization of adjacent magnets is opposite; In the two row spaced array 111, the two magnet direction of magnetizations that are in parallel position are opposite; Cooresponding yoke I 103 is two, is connected by non-magnet material between two yoke I 103, as shown in figure 21.
As shown in figure 22, between magnet frame and the yoke frame, between magnet frame and the yoke I 103 sliding guide shoe 105 is set.
When yoke I 103 in the reluctance type magnetic force magnetic levitation device be in magnetic field center the time, magnet is subjected to the power minimum of yoke I vertical direction, is in magnetic balanced position; When car body moved down, magnet was subjected to yoke I restoring force straight up, and along with the increase that departs from the balance position distance, restoring force reaches maxim gradually.Subsequently, along with the further increase of deviation distance, restoring force reduces gradually, and sliding guide shoe contacts with yoke I upper surface, and the increase of restriction departure distance maintains a safe operation state with train.When car body moved up, magnet was subjected to yoke I restoring force straight down, utilized this to reply pulling force, can effectively prevent derail.
Claims (10)
1. a magnetically supported vehicle comprises car body (1) and track, and magnetic levitation device that is provided with between car body and the roadbed and propulsion source is characterized in that: magnetic levitation device is magnetic resistance type magnetic suspension device (3).
2. magnetically supported vehicle according to claim 1 is characterized in that: the yoke I (7) of described magnetic resistance type magnetic suspension device and yoke frame (6) constitute track, and magnet and magnet frame (10) are fixed on the car body bottom.
3. magnetically supported vehicle according to claim 2 is characterized in that: a row magnetic resistance type magnetic suspension device (3) is set between car body and the roadbed at least.
4. magnetically supported vehicle according to claim 3 is characterized in that: described propulsion source is linear electric motors.
5. magnetically supported vehicle according to claim 4 is characterized in that: described linear electric motors are line inductance electromotor (5), and the primary fixed of line inductance electromotor (5) is in the car body bottom, and secondary fixed is on roadbed.
6. magnetically supported vehicle according to claim 5, it is characterized in that: described linear electric motors are permanent-magnetism linear motor (12), permanent-magnetism linear motor is a reversal of the natural order of things setting, car body bottom fixed L type support (8), fixing and the cooresponding inverted L shape support of L type support (9) is provided with permanent-magnetism linear motor (12) between L type support (8) and the inverted L shape support (9) on the roadbed.
7. magnetically supported vehicle according to claim 6 is characterized in that: the secondary fixed of permanent-magnetism linear motor is in L type support upper end, and primary fixed is in inverted L shape support lower end.
8. magnetically supported vehicle according to claim 7 is characterized in that: in the middle part of the permanent-magnetism linear motor of described reversal of the natural order of things setting is fixed at the bottom of the car.
9. magnetically supported vehicle according to claim 8 is characterized in that: the permanent-magnetism linear motor of described reversal of the natural order of things setting is fixed on the car body both sides.
10. magnetically supported vehicle according to claim 4, it is characterized in that: described linear electric motors are line inductance electromotor (5), two elementary secured in parallel of line inductance electromotor (5) are in motor frame (14) inboard, two are provided with track between elementary, described track is the secondary of line inductance electromotor (5), direction along ng a path, described motor frame (14) and magnet frame (10) are spaced, are fixed on the car body bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100647415A CN101875318B (en) | 2009-04-28 | 2009-04-28 | Magnetic suspension train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100647415A CN101875318B (en) | 2009-04-28 | 2009-04-28 | Magnetic suspension train |
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| Publication Number | Publication Date |
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| CN101875318A true CN101875318A (en) | 2010-11-03 |
| CN101875318B CN101875318B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100647415A Expired - Fee Related CN101875318B (en) | 2009-04-28 | 2009-04-28 | Magnetic suspension train |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185459A (en) * | 2011-05-04 | 2011-09-14 | 南通大学 | Magnetic suspension bilateral magnetic resistance driving type direct linear transmission device |
| CN105502135A (en) * | 2015-06-11 | 2016-04-20 | 菱电电梯有限公司 | Suspending type elevator capable of moving horizontally |
| CN105788803A (en) * | 2016-03-24 | 2016-07-20 | 西南交通大学 | Electromagnet for electromagnetic turnout, electromagnetic turnout and switching method |
| CN106143205A (en) * | 2016-07-18 | 2016-11-23 | 中铁二院工程集团有限责任公司 | A kind of coil type permanent-magnet electric levitation device for magnetic-levitation train |
| CN106660463A (en) * | 2014-06-11 | 2017-05-10 | 阿克斯帕克斯莱柏公司 | Propulsion and control for a magnetically lifted vehicle |
| CN106671822A (en) * | 2016-12-01 | 2017-05-17 | 西南交通大学 | High-temperature superconducting magnetic suspension mechanism and high-temperature superconducting magnetic suspension train |
| CN106864305A (en) * | 2017-01-12 | 2017-06-20 | 智润洪 | A kind of rail train permanent magnetism loss of weight equipment |
-
2009
- 2009-04-28 CN CN2009100647415A patent/CN101875318B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185459A (en) * | 2011-05-04 | 2011-09-14 | 南通大学 | Magnetic suspension bilateral magnetic resistance driving type direct linear transmission device |
| CN102185459B (en) * | 2011-05-04 | 2012-10-31 | 南通大学 | Magnetic suspension bilateral magnetic resistance driving type direct linear transmission device |
| CN106660463A (en) * | 2014-06-11 | 2017-05-10 | 阿克斯帕克斯莱柏公司 | Propulsion and control for a magnetically lifted vehicle |
| CN105502135A (en) * | 2015-06-11 | 2016-04-20 | 菱电电梯有限公司 | Suspending type elevator capable of moving horizontally |
| CN105788803A (en) * | 2016-03-24 | 2016-07-20 | 西南交通大学 | Electromagnet for electromagnetic turnout, electromagnetic turnout and switching method |
| CN106143205A (en) * | 2016-07-18 | 2016-11-23 | 中铁二院工程集团有限责任公司 | A kind of coil type permanent-magnet electric levitation device for magnetic-levitation train |
| CN106143205B (en) * | 2016-07-18 | 2018-06-12 | 中铁二院工程集团有限责任公司 | A kind of coil type permanent-magnet electric levitation device for magnetic-levitation train |
| CN106671822A (en) * | 2016-12-01 | 2017-05-17 | 西南交通大学 | High-temperature superconducting magnetic suspension mechanism and high-temperature superconducting magnetic suspension train |
| CN106671822B (en) * | 2016-12-01 | 2023-10-27 | 西南交通大学 | High-temperature superconductive magnetic suspension mechanism and high-temperature superconductive magnetic suspension train |
| CN106864305A (en) * | 2017-01-12 | 2017-06-20 | 智润洪 | A kind of rail train permanent magnetism loss of weight equipment |
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| Publication number | Publication date |
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| CN101875318B (en) | 2012-07-25 |
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