CN106240398A - High temperature superconducting magnetic suspension system and magnetic suspension train - Google Patents
High temperature superconducting magnetic suspension system and magnetic suspension train Download PDFInfo
- Publication number
- CN106240398A CN106240398A CN201610627217.4A CN201610627217A CN106240398A CN 106240398 A CN106240398 A CN 106240398A CN 201610627217 A CN201610627217 A CN 201610627217A CN 106240398 A CN106240398 A CN 106240398A
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- magnetic suspension
- high temperature
- suspension system
- low
- superconducting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/04—Magnetic suspension or levitation for vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/08—Sliding or levitation systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of high temperature superconducting magnetic suspension system and magnetic suspension train, this high temperature superconducting magnetic suspension system includes: magnetic suspension mechanism, it includes the track being made up of permanent magnet, is arranged on the low-temperature (low temperature) vessel above described track and the superconducting block layer being arranged in described low-temperature (low temperature) vessel, wherein, the upper surface of the superconducting block layer corresponding with the leading region of the horizontal magnetic field of described track covers one layer of ferromagnetic material；Buffer gear, it is arranged between vehicle frame and described low-temperature (low temperature) vessel to slow down the motion at vertical direction of the described vehicle frame.Ferromagnetic material is arranged on above guide pad and the guiding force of vehicle is significantly improved by the present invention, and then improves the overall performance of vehicle.
Description
Technical field
The present invention relates to high-temperature superconducting magnetic levitation technical field, particularly relate to a kind of high temperature superconducting magnetic suspension system and equipment
There is the magnetic suspension train of this high temperature superconducting magnetic suspension system.
Background technology
High-temperature superconducting magnetic levitation technology, due to the flux pinning properties that high-temperature superconductor is unique, has passive self-stabilization
Suspension advantage, shows good application prospect in fields such as frictionless bearing, flywheel energy storage, track traffics.Wherein, 2000
It is novel in future that the birth of the manned high-temperature superconducting magnetic levitation laboratory vehicle in first of the world of China illustrates high-temperature superconducting magnetic levitation technology
The huge captivation of (at a high speed, environmental protection, the feature such as comfortable) track vehicle, causes the extensive concern of international community.At present,
The state such as German, Russian, Brazilian, Japanese all develops high temperature superconductor magnetic levitation vehicle model machine, and each state all advances high temperature to surpass making great efforts
The practicalization of magnetic conduction levitation vehicle.Improve the performance of existing high temperature superconductor magnetic levitation vehicle system the most further and become wherein one
Individual technology emphasis.
Summary of the invention
For above-mentioned technical problem present in prior art, the invention provides a kind of high temperature superconducting magnetic suspension system and
Having the magnetic suspension train of this high temperature superconducting magnetic suspension system, this high temperature superconducting magnetic suspension system can improve maglev guiding
Performance, and there is good damping performance.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of high temperature superconducting magnetic suspension system, including: magnetic suspension mechanism, it includes track, the setting being made up of permanent magnet
The low-temperature (low temperature) vessel of side and the superconducting block layer that is arranged in described low-temperature (low temperature) vessel on the track, wherein, with described track
Superconducting block layer corresponding to the leading region of horizontal magnetic field upper surface on cover one layer of ferromagnetic material；Buffer gear, it sets
Put between vehicle frame and described low-temperature (low temperature) vessel to slow down the motion at vertical direction of the described vehicle frame.
Preferably, described ferromagnetic material is high permeability materials.
Preferably, described ferromagnetic material is iron plate.
Preferably, the thickness of described iron plate is 1mm.
Preferably, described superconducting block layer is formed along the arrangement of described track width direction by multiple superconducting blocks, described ferromagnetism
Material covers the upper surface at the superconducting block corresponding with the leading region of the horizontal magnetic field of described track.
Preferably, described buffer gear includes being fixed on the cylinder body on the top of described low-temperature (low temperature) vessel, being arranged on described cylinder body
Chamber in and become upper chamber and the piston of lower chambers and upper end to be fixed on described vehicle frame respectively the described chamber, lower end is stretched
Enter the piston rod that described cylinder body is connected with described piston；Wherein: on described piston, be equiped with entrance and exit correspondence and institute respectively
State the first check valve and entrance and exit corresponding and described lower chambers respectively that upper chamber connects and described with described lower chambers
Second check valve of upper chamber's connection.
Preferably, described upper chamber and described lower chambers are respectively arranged with damping spring and lower damping spring.
The invention also discloses a kind of magnetic suspension train, including vehicle frame, also include being arranged between described vehicle frame and track
Above-mentioned high temperature superconducting magnetic suspension system.
Compared with prior art, high temperature superconducting magnetic suspension system and the magnetic suspension train of the present invention provides the benefit that: this
Ferromagnetic material is arranged on above guide pad and the guiding force of vehicle is significantly improved by invention, and then improves the entirety of vehicle
Performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high temperature superconducting magnetic suspension system of the present invention；
The tracks of permanent magnetism Distribution of Magnetic Field schematic diagram of ferromagnetic material it is not introduced into above Fig. 2 superconducting block；
The tracks of permanent magnetism Distribution of Magnetic Field schematic diagram of Fig. 3 superconducting block ferromagnetic material introduced above；
Impact on tracks of permanent magnetism Distribution of Magnetic Field after the horizontal magnetized block of Fig. 4 orbit centre ferromagnetic material introduced above；
Normal direction and tangential magnetic field at raceway surface 15mm after the horizontal magnetized block of Fig. 5 orbit centre ferromagnetic material introduced above
Component is distributed；
Fig. 6 introduces and is not introduced under ferromagnetic material superconducting block at the suspending power curve of tracks of permanent magnetism center position；
Fig. 7 introduces and is not introduced under ferromagnetic material superconducting block at the guiding force curve of tracks of permanent magnetism center position；
Fig. 8 is the local A view of Fig. 1.
In figure:
10-track；20-low-temperature (low temperature) vessel；30-superconducting block layer；31-superconducting block；32-ferromagnetic material；40-buffer gear；
41-cylinder body；42-piston；43-piston rod；Damping spring under 44-；45-the first check valve；46-the second check valve；The upper damping of 47-
Spring；50-vehicle frame.
Detailed description of the invention
For making those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
The present invention is elaborated by formula.
As it is shown in figure 1, the preferred embodiments of the present invention disclose a kind of high temperature superconducting magnetic suspension system, this high-temperature superconductor magnetic
Suspension system can be applicable to track 10 vehicular traffic but is not limited to be applied to this.This high temperature superconducting magnetic suspension system includes magnetic suspension
Mechanism and buffer gear 40, magnetic suspension mechanism is used for providing suspending power and guiding force for vehicle so that vehicle is carrying certain load
In the case of travel, buffer gear 40 occurs with buffering vehicle in the process of moving for the motion slowing down vehicle in the vertical direction
Vibrations.Wherein, magnetic suspension mechanism specifically includes track 10, low-temperature (low temperature) vessel 20 and the multiple superconducting block being made up of permanent magnet
31, low-temperature (low temperature) vessel 20 is arranged on the surface of track 10, in multiple superconducting blocks 31 are placed in low-temperature (low temperature) vessel 20 and along the width of track 10
Degree direction arranges and forms superconducting block layer 30, and the present invention it is critical only that: in the leading region pair with the horizontal magnetic field of track 10
One layer of ferromagnetic material 32 is covered, it is preferable that this ferromagnetic material 32 is high permeability on the upper surface of the superconducting block layer 30 answered
Material, the iron plate that more preferably 1mm is thick.
At Lorentz force (suspending power or guiding force) the F=∫ J × Bdv obtained due to superconducting block 31 and its position
Magnetic field is closely related, if the magnetic field of its present position can be improved, then may bring the raising of magnetic suspension performance.The present invention is by super
Guide block 31 introduces ferromagnetic material 32 (such as iron plate) and guides the distribution of the magnetic line of force, thus improve high temperature superconducting magnetic suspension system
Performance.Fig. 2 is the tracks of permanent magnetism Distribution of Magnetic Field situation being not introduced into ferromagnetic material 32 above superconducting block 31, and Fig. 3 is superconducting block
The tracks of permanent magnetism Distribution of Magnetic Field situation of 31 ferromagnetic materials 32 introduced above.
In experiment, selection one common iron plate is as ferromagnetic material 32, for reaching to improve magnetic field, superconducting block 31 position
Purpose, is directly anchored to the upper surface of superconducting block 31 by the iron plate of interpolation.The iron plate simultaneously taking account of introducing will be with permanent magnetism rail
Road produces obvious captivation, and unfavorable to suspending, the thickness of iron plate should not be the thickest, thus selects iron plate thick for 1mm.
Can verify from experimental result, after superconducting block 31 iron plate introduced above, due to the iron plate above superconducting block 31 and forever
Magnetic orbital produces bigger captivation, and suspending power will decline, and iron plate size is the biggest, and suspending power declines the most；It is simultaneously directed to
Power improves.
Fig. 4 and Fig. 5 sets forth after orbit centre horizontal magnetized block ferromagnetic material introduced above 32 tracks of permanent magnetism
The impact of Distribution of Magnetic Field and surface 15mm normal direction thereof and the distribution of tangential magnetic field component, the suspending power of superconducting block 31 in the case of correspondence
With guiding force curve as shown in Figure 6 and Figure 7.From fig. 6 it can be seen that the introducing of ferromagnetic material 32 still brings suspending power
Reduction.At minimum measuring distance 10mm, after introducing ferromagnetic material 32, maximum suspending power drops to 78.7N from 92.1N,
Have dropped 14%.And in the guiding force curve of Fig. 7, the introducing of ferromagnetic material 32 brings the raising of steering capability,
At big lateral shift 5mm, maximum guiding force increases to-30.4N from-20.3N, improves 50%.As can be seen here, ferromagnetic material
The negative effect that the positive influences comparison suspending power that guiding force is brought by the introducing of 32 brings is more significantly.This introducing method pair
The certain applications improving guiding force is needed to have certain advantage.Therefore the guiding that the present invention is to high temperature superconducting magnetic suspension system
The raising of power has notable contribution.
Magnetic force for when high temperature superconducting magnetic suspension system is applied to vehicle, between track 10 and superconducting block 31
Although effect can provide partial buffer effect for the vibrations of vehicle, but also needs list to farthest reduce the vibrations of vehicle
Solely reload buffer mechanism 40, this is also the reason that buffer system is introduced high temperature superconducting magnetic suspension system by the present invention.
Structure or the composition with the buffer gear 40 of cushioning effect can have multiple, such as damping spring, i.e. hold at low temperature
Between device 20 and vehicle frame 50, damping spring is set, utilizes damping spring to occur elastic deformation that vehicle is risen when by mechanical force
To cushioning effect.But damping spring exists the defect at least two parties face: one is, damping spring is for can be because of during vibrations
Substantially stop vehicle vertical to move downward and play obvious cushioning effect, and vehicle vertical during vibrations is upwards transported
Time dynamic, the prevention that moves upward vehicle vertical because of damping spring is indifferent, and (damping spring pressurized is effective, and tension effect
Difference) and the cushioning effect that plays is the strongest；Two are, damping spring is because occurring elastic deformation easily to lose efficacy frequently, even tired
Destroy, and then cause cushioning effect to weaken even losing efficacy.
For improving the damping performance of vehicle, a preferred embodiment of the present invention provides excellent the delaying of a kind of damping effect
Punch mechanism 40, such as Fig. 8 and combine shown in Fig. 1, specifically, buffer gear 40 includes the cylinder body being fixed on low-temperature (low temperature) vessel 20 top
41, it is arranged in the chamber of cylinder body 41 and chamber is become respectively upper chamber's (being provided with hydraulic medium in upper chamber) and lower chambers
The piston 42 of (bottom chamber is provided with hydraulic medium) and upper end are fixed on vehicle frame 50, and cylinder body 41 and piston 42 are stretched in lower end
The piston rod 43 connected, upper chamber and bottom chamber are respectively arranged with damping spring 47 and lower damping spring 44.Wherein: piston
Entrance and exit the first check valve 45 and entrance and exit that correspondence connects respectively it is equiped with upper chamber and lower chambers on 42
The second check valve 46 that correspondence connects with lower chambers and upper chamber respectively, and make the conducting pressure condition of the second check valve 46 set
Being set to when piston rod 43 and piston 42 bear the gravity of whole vehicle, the second check valve 46 is still in closed mode, and works as and hold
When the power being subject to is for numerical value a certain more than vehicle weight, the second check valve 46 turns on, and the turn-on condition for the first check valve 45 can
To be set as any force value.
The reason that above-mentioned buffer gear 40 can play cushioning effect is: when vehicle in the vertical direction shakes
Time, the hydraulic medium of bottom chamber has certain pressure because bearing the gravity of whole vehicle, the second check valve on piston 42
46 close because of not up to turn-on condition, and the first check valve 45 is because having return-stopping function, so that the hydraulic pressure of bottom chamber is situated between
Matter cannot enter upper chamber by the first check valve 45 and the second check valve 46, so that piston rod 43 in the vertical direction is protected
Hold motionless, vehicle smooth-ride in the horizontal direction.Below because of certain reason (as out-of-flatness laid by track 10) cylinder body 41
When running gear (such as low-temperature (low temperature) vessel 20 and superconducting block 31) in the vertical direction occurs vibrations, when running gear is unexpected the most straight up
During motion, the hydraulic medium of bottom chamber by piston 42 extruding and pressure raises, when pressure is increased to the second check valve 46
Turn-on condition time, the second check valve 46 turns on, and the hydraulic medium of bottom chamber enters upper chamber, cylinder by the second check valve 46
Body 41 moves upward with running gear, and running gear and cylinder body 41 will not drive piston 42, piston rod 43 and vehicle upwards to transport
Move or piston 42, piston rod 43 and vehicle move upward slowly, thus reach the purpose of buffering, when running gear is unexpected
When moving straight down, the hydraulic medium in upper chamber by piston 42 extruding and pressure raises, when pressure is increased to first
During the turn-on condition of check valve 45, the first check valve 45 turns on, and the hydraulic medium in upper chamber is entered by the first check valve 45
Lower chambers, cylinder body 41 moves downward with running gear, and running gear and cylinder body 41 will not drive piston 42, piston rod 43 and car
Move downward or piston 42, piston rod 43 and vehicle move downward slowly, thus reach the purpose of buffering.
Above-mentioned buffer gear 40 utilizes hydraulic medium in epicoele under the control of the first check valve 45 and the second check valve 46
Flow between room and lower chambers, so that cylinder body 41 and piston rod 43 form relative motion, and then realize the buffering to vehicle, this
Kind fluid pressure type damping modes is compared the damping modes of damping spring and is had the advantages that buffering is soft, it is often more important that there is not elasticity
The defect lost efficacy, and the bad defect of the damping spring vehicle bumper effect to moving straight up can be overcome.
Turn-on condition for the second above-mentioned check valve 46 can be construed to: when vehicle even running, second is unidirectional
Valve 46 must remain off, and the hydraulic medium of lower chambers the most just can be made to support vehicle, and when running gear is unexpected
When moving upward, piston 42 extrudes lower chambers, when now the pressure of the hydraulic medium of bottom chamber is higher than vehicle even running
Pressure, the turn-on condition of the second check valve 46 is arranged in a certain force value of rising running gear will be made upwards
When moving to a certain degree, the second check valve 46 turns on.
From the explanations above it can be seen that the turn-on condition set by the second check valve 46 closer to vehicle even running at present
The pressure of the hydraulic medium of chamber, the buffering effect of buffer gear 40 is the best.
For improving further the damping effect of buffer gear 40, in a preferred embodiment of the invention, upper chamber and
Bottom chamber is respectively arranged with damping spring 47 and lower damping spring 44, and so, buffer gear 40 utilizes hydraulic way and machine
Two kinds of damping modes of tool mode, substantially increase the damping effect of vehicle.
Additionally, the invention also discloses a kind of magnetic suspension train, including vehicle frame 50, also include being arranged on vehicle frame 50 and track
Above-mentioned high temperature superconducting magnetic suspension system between 10.
Above example is only the exemplary embodiment of the present invention, is not used in the restriction present invention, protection scope of the present invention
It is defined by the claims.The present invention can be made respectively in the essence of the present invention and protection domain by those skilled in the art
Planting amendment or equivalent, this amendment or equivalent also should be regarded as being within the scope of the present invention.
Claims (8)
1. a high temperature superconducting magnetic suspension system, it is characterised in that including:
Magnetic suspension mechanism, it includes the track being made up of permanent magnet, is arranged on the low-temperature (low temperature) vessel above described track and setting
Superconducting block layer in described low-temperature (low temperature) vessel, wherein, at the superconducting block corresponding with the leading region of the horizontal magnetic field of described track
One layer of ferromagnetic material is covered on the upper surface of layer；
Buffer gear, it is arranged between vehicle frame and described low-temperature (low temperature) vessel to slow down the motion at vertical direction of the described vehicle frame.
2. high temperature superconducting magnetic suspension system as claimed in claim 1, it is characterised in that described ferromagnetic material is high permeability
Material.
3. high temperature superconducting magnetic suspension system as claimed in claim 1, it is characterised in that described ferromagnetic material is iron plate.
4. high temperature superconducting magnetic suspension system as claimed in claim 3, it is characterised in that the thickness of described iron plate is 1mm.
5. high temperature superconducting magnetic suspension system as claimed in claim 1, it is characterised in that described superconducting block layer is by multiple superconducting blocks
Being formed along the arrangement of described track width direction, described ferromagnetic material covers in the leading region with the horizontal magnetic field of described track
The upper surface of corresponding superconducting block.
6. high temperature superconducting magnetic suspension system as claimed in claim 1, it is characterised in that described buffer gear includes being fixed on institute
Upper chamber and lower chambers is become respectively in the cylinder body of stating the top of low-temperature (low temperature) vessel, the chamber being arranged on described cylinder body and by described chamber
Piston and upper end be fixed on described vehicle frame, lower end stretches into the piston rod that described cylinder body is connected with described piston；Wherein:
It is equiped with entrance and exit respectively corresponding and described upper chamber on described piston and that described lower chambers connects is first unidirectional
Valve and entrance and exit the second check valve that corresponding and described lower chambers and described upper chamber connect respectively.
7. high temperature superconducting magnetic suspension system as claimed in claim 6, it is characterised in that described upper chamber and described lower chambers are divided
It is not provided with damping spring and lower damping spring.
8. a magnetic suspension train, including vehicle frame, it is characterised in that also include being arranged between described vehicle frame and track such as power
Profit requires the high temperature superconducting magnetic suspension system described in 1 to 7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627217.4A CN106240398B (en) | 2016-08-03 | 2016-08-03 | High temperature superconducting magnetic suspension system and magnetic suspension train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627217.4A CN106240398B (en) | 2016-08-03 | 2016-08-03 | High temperature superconducting magnetic suspension system and magnetic suspension train |
Publications (2)
| Publication Number | Publication Date |
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| CN106240398A true CN106240398A (en) | 2016-12-21 |
| CN106240398B CN106240398B (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610627217.4A Active CN106240398B (en) | 2016-08-03 | 2016-08-03 | High temperature superconducting magnetic suspension system and magnetic suspension train |
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Citations (7)
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| CN201154673Y (en) * | 2007-12-20 | 2008-11-26 | 北京宇航世纪超导储能设备技术有限公司 | High-temperature superconductivity magnetic levitation train with damping device |
| CN101351657A (en) * | 2006-04-27 | 2009-01-21 | 萱场工业株式会社 | Shock absorber |
| CN102700431A (en) * | 2012-06-25 | 2012-10-03 | 西南交通大学 | Vehicle double-layer high-temperature superconductor magnetic suspension system |
| CN102717725A (en) * | 2012-06-25 | 2012-10-10 | 西南交通大学 | High-temperature superconductive magnetic levitation system introduced with ferromagnetic substances |
| CN102717724A (en) * | 2012-06-25 | 2012-10-10 | 西南交通大学 | Method for improving performance of magnetic suspension system and magnetic suspension system thereof |
| CN203702966U (en) * | 2013-12-30 | 2014-07-09 | 中铁十一局集团汉江重工有限公司 | Front suspension device for mining dump truck |
| CN205930332U (en) * | 2016-08-03 | 2017-02-08 | 西南交通大学 | High temperature superconductive magnetic suspension system and maglev train |
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2016
- 2016-08-03 CN CN201610627217.4A patent/CN106240398B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101351657A (en) * | 2006-04-27 | 2009-01-21 | 萱场工业株式会社 | Shock absorber |
| CN201154673Y (en) * | 2007-12-20 | 2008-11-26 | 北京宇航世纪超导储能设备技术有限公司 | High-temperature superconductivity magnetic levitation train with damping device |
| CN102700431A (en) * | 2012-06-25 | 2012-10-03 | 西南交通大学 | Vehicle double-layer high-temperature superconductor magnetic suspension system |
| CN102717725A (en) * | 2012-06-25 | 2012-10-10 | 西南交通大学 | High-temperature superconductive magnetic levitation system introduced with ferromagnetic substances |
| CN102717724A (en) * | 2012-06-25 | 2012-10-10 | 西南交通大学 | Method for improving performance of magnetic suspension system and magnetic suspension system thereof |
| CN203702966U (en) * | 2013-12-30 | 2014-07-09 | 中铁十一局集团汉江重工有限公司 | Front suspension device for mining dump truck |
| CN205930332U (en) * | 2016-08-03 | 2017-02-08 | 西南交通大学 | High temperature superconductive magnetic suspension system and maglev train |
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| Publication number | Publication date |
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| CN106240398B (en) | 2019-07-02 |
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