CN106080257B - High temperature superconducting magnetic suspension system and magnetic suspension train - Google Patents
High temperature superconducting magnetic suspension system and magnetic suspension train Download PDFInfo
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- CN106080257B CN106080257B CN201610632661.5A CN201610632661A CN106080257B CN 106080257 B CN106080257 B CN 106080257B CN 201610632661 A CN201610632661 A CN 201610632661A CN 106080257 B CN106080257 B CN 106080257B
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- superconducting
- magnetic suspension
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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
Abstract
The invention discloses a kind of high temperature superconducting magnetic suspension system and magnetic suspension train, which includes：Magnetic suspension mechanism comprising the track made of permanent magnet, multiple superconducting block layers by multiple superconducting blocks along the track width direction arrangement form that low-temperature (low temperature) vessel square on the track is set and is arranged in the low-temperature (low temperature) vessel；Buffer gear is arranged between vehicle frame and the low-temperature (low temperature) vessel to slow down movement of the vehicle frame in vertical direction.The present invention sets superconducting block layer to multilayer, solves single layer superconducting block layer suspending power caused by the thickness of superconducting block is difficult to increase and reaches saturation problem, the applying a magnetic field being effectively utilized above the single layer superconducting block, to increase suspending power.
Description
Technical field
The present invention relates to high-temperature superconducting magnetic levitation technical field more particularly to a kind of high temperature superconducting magnetic suspension systems and equipment
There is the magnetic suspension train of the high temperature superconducting magnetic suspension system.
Background technology
High-temperature superconducting magnetic levitation technology, due to the unique flux pinning properties of high-temperature superconductor, with passive self-stabilization
Suspension advantage shows good application prospect in fields such as frictionless bearing, flywheel energy storage, rail traffics.Wherein, 2000
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 following novel
The huge attraction of (the features such as at a high speed, environmentally friendly, comfortable) track vehicle, causes the extensive concern of international community.Currently,
The states such as Germany, Russia, Brazil, Japan develop high temperature superconductor magnetic levitation vehicle model machine, and each state all is making great efforts to promote high temperature super
The practicalization of magnetic conduction levitation vehicle.How the bearing capacity and stabilization of existing high temperature superconductor magnetic levitation vehicle system are further increased
Performance becomes one of technology emphasis.
All it is to use single layer high-temperature superconductor bulk and tracks of permanent magnetism phase in existing high temperature superconductor magnetic levitation vehicle system
Interaction, which is realized, to suspend.In view of the preparation process of superconduction block material, the bulk thickness of business application generally between 12-15mm,
Within the scope of this, the suspending power of bulk reaches approximately saturation.In traditional single layer high-temperature superconductor magnetic suspension system, it has been difficult
Reach the target of suspendability optimization by increasing the thickness of every piece of superconduction block material again.
Invention content
For the above-mentioned technical problems in the prior art, the present invention provides a kind of high temperature superconducting magnetic suspension system and
Magnetic suspension train with the high temperature superconducting magnetic suspension system, the high temperature superconducting magnetic suspension system can improve magnetic suspension performance,
And there is good damping performance.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of high temperature superconducting magnetic suspension system, including：Magnetic suspension mechanism comprising the track made of permanent magnet, setting
On the track square low-temperature (low temperature) vessel and be arranged in the low-temperature (low temperature) vessel by multiple superconducting blocks along the track width
Multiple superconducting block layers of direction arrangement form；Buffer gear is arranged between vehicle frame and the low-temperature (low temperature) vessel described to slow down
Movement of the vehicle frame in vertical direction.
Preferably, the superconducting block layer is upper superconducting block layer and the folded two superconducting block layers formed of lower superconducting block layer heap.
Preferably, at the docking of arbitrary two adjacent superconducting blocks in the upper superconducting block layer and in the lower superconducting block layer
Sequence at the docking of arbitrary two adjacent superconducting block.
Preferably, the thickness of each superconducting block layer is 8mm-15mm.
Preferably, the buffer gear includes the cylinder body for being fixed on the low-temperature (low temperature) vessel top, is arranged in the cylinder body
It is fixed on the vehicle frame at the piston and upper end of upper chamber and lower chambers respectively in chamber and by the chamber, lower end is stretched into
The piston rod that the cylinder body is connect with the piston；Wherein：Be installed on the piston entrance and exit respectively correspond to it is described
The first check valve and entrance and exit of upper chamber and lower chambers connection respectively it is corresponding with the lower chambers and it is described on
Second check valve of chamber.
Preferably, the upper chamber and the bottom chamber are respectively arranged with damping spring and lower damping spring.
Further include being arranged between the vehicle frame and track the invention also discloses a kind of magnetic suspension train, including vehicle frame
Above-mentioned high temperature superconducting magnetic suspension system.
Compared with prior art, the advantageous effect of high temperature superconducting magnetic suspension system of the invention and magnetic suspension train is：This
Invention sets superconducting block layer to multilayer, solves single layer superconducting block layer and suspends caused by the thickness of superconducting block is difficult to increase
Power reaches saturation problem, the applying a magnetic field being effectively utilized above the single layer superconducting block, to increase suspending power.
Description of the drawings
Fig. 1 is the structural schematic diagram of the high temperature superconducting magnetic suspension system of the present invention；
Fig. 2 be the present invention high temperature superconducting magnetic suspension system in superconducting block a kind of arrangement mode schematic diagram；
Fig. 3 is the enlarged view of the local A of Fig. 1；
Fig. 4 is single layer and the double-deck high-temperature superconductor suspension force curve in the case of field is cold；
Fig. 5 is that single layer and the double-deck high-temperature superconductor are oriented to force curve in the case of field is cold.
In figure：
10- tracks；20- low-temperature (low temperature) vessels；30- superconducting block layers；31- superconducting blocks；The upper superconducting block layers of 32-；Superconducting block under 33-
Layer；40- buffer gears；41- cylinder bodies；42- pistons；43- piston rods；Damping spring under 44-；The first check valves of 45-；46- second
Check valve；The upper damping springs of 47-；50- vehicle frames.
Specific implementation mode
To make those skilled in the art be better understood from technical scheme of the present invention, below in conjunction with the accompanying drawings and specific embodiment party
Formula elaborates to the present invention.
As shown in Figure 1, the preferred embodiment of the present invention discloses a kind of high temperature superconducting magnetic suspension system, the high-temperature superconductor magnetic
Suspension system can be applied to 10 vehicular traffic of track but be not limited to be applied to this.The high temperature superconducting magnetic suspension system includes magnetic suspension
Mechanism and buffer gear 40, magnetic suspension mechanism is used to provide suspending power and guiding force for vehicle so that vehicle is carrying certain load
Situation downward driving, buffer gear 40 occur for slowing down the movement of vehicle in the vertical direction to buffer vehicle in the process of moving
Vibrations.Wherein, magnetic suspension mechanism specifically includes track 10, low-temperature (low temperature) vessel 20 and multiple superconducting blocks 31, and low-temperature (low temperature) vessel 20 is set
It sets in the surface of track 10, multiple superconducting blocks 31 are placed in low-temperature (low temperature) vessel 20 and arrange and formed along the width direction of track 10
Superconducting block layer 30, key of the invention are：Multiple superconducting block layers 30 are set in the low-temperature (low temperature) vessel 20 opposite with track 10.This
Invention sets superconducting block layer 30 to multilayer, solves single layer superconducting block layer 30 because the thickness of superconducting block 31 is difficult to cause due to increase
Suspending power reach saturation problem, to increase suspending power.
It should explain：In high temperature superconducting magnetic suspension system, suspending power is 31 induced inside electric current of superconducting block and external magnetic field
The macro manifestations of (i.e. track 10) interaction, belong to Lorentz force.Therefore, external magnetic field condition is the necessary item that suspending power generates
Part.In single layer high-temperature superconductor magnetic suspension system in the prior art, on the one hand, superconducting block 31 is because of distinctive flux pinning energy
Power makes its own be penetrated by a part of applying a magnetic field magnetic flux；On the other hand, the superconducting areas inside superconducting block 31 is to applying a magnetic field
Show a kind of shielding action.The final top for making superconducting block 31 still there is the superposition for being penetrated and being shielded by magnetic flux to determine
Magnetic field, this allows the top in existing single layer hts bulk 31 still to have certain applying a magnetic field to utilize.The present invention will
Superconducting block 31 is arranged to multilayer, to be effectively utilized the applying a magnetic field, to obtain certain suspending power, reaches raising more
The purpose of the lifting capacity of suspension system.
To obtain optimal case in using effect and cost factor, superconducting block in a preferred embodiment of the invention
Layer 30 includes stacking superconducting block layer 30 as upper superconducting block layer 32 and lower superconducting block layer 33.Lower superconducting block layer had both been utilized in such setting
The applying a magnetic field of 33 tops, and it is unlikely to cause because increasing superconducting block 31 excessive increase cost.As optional, upper superconducting block layer
32 and lower superconducting block layer 33 stack manner there are two types of：As shown in Figure 1, one be make it is arbitrary two in superconducting block layer 32 adjacent super
At the docking of guide block 31 with arbitrary two adjacent superconducting blocks 31 in lower superconducting block layer 33 to dock place opposite, as shown in Fig. 2, second is that
Make at the docking of arbitrary two adjacent superconducting blocks 31 in superconducting block layer 32 with arbitrary two adjacent superconductions in lower superconducting block layer 33
Sequence at the docking of block 31.Preferably, the thickness of each superconducting block layer 30 is 8mm-15mm.
Fig. 4 and Fig. 5 is single layer and the double-deck high-temperature superconductor suspending power and guiding force curve in the case of field is cold, wherein superconduction
The thickness of block layer 30 is set as 13mm, as can be seen from Figure 4 and Figure 5, the high-temperature superconductor magnetcisuspension of the double-deck superconducting block 31 of the invention
The suspending power and guiding force curve of floating system are superior to the high temperature superconducting magnetic suspension system of existing single layer superconducting block.Table 1 provides
Under the cold height 30mm in typical field, working depth 15mm operating conditions single layer and the double-deck superconducting block 31 corresponding suspending power and
It is oriented to force data, as it can be seen from table 1 the high temperature superconducting magnetic suspension system of the double-deck superconducting block 31 of the present invention is relative to existing
The high temperature superconducting magnetic suspension system of single layer superconducting block 31, suspending power improve 16.9%, and guiding force improves 8.8%, so say
It is bright, in practical applications, the suspending power of high temperature superconducting magnetic suspension system and steady is provided by improving the number of plies of superconducting block 31
Qualitative can be feasible.
Single layer and the double-deck high-temperature superconductor are maximum under the cold height 30mm in 1 typical field of table, working depth 15mm operating conditions
Suspending power and guiding force compare
| Single layer superconductor | The double-deck superconductor | Two-layer system increases | |
| Suspending power (N) | 215 | 252 | 16.9% |
| Guiding force (N) | 93.6 | 101.8 | 8.8% |
One remarkable result of above-described embodiment is that the suspending power of suspension system and guidance capability have been obtained while having been improved,
This is highly beneficial for application scenario.Meanwhile the cost brought of upper superconducting block layer 32 increase it is super compared to the high temperature of long range
Magnetic conduction levitation vehicle is minimum at disadvantage for running line；On the contrary, under same suspending power demand, using 31 side of the double-deck superconducting block
Case is more compared to economy than the scheme by increasing 10 section of tracks of permanent magnetism.For application, using the double-deck superconducting block 31
High temperature superconducting magnetic suspension system stable suspersion ability is strong, is conducive to the popularization and application of high temperature superconductor magnetic levitation vehicle.
For the case where high temperature superconducting magnetic suspension system is applied to vehicle, the magnetic force between track 10 and superconducting block 31
Although effect can provide partial buffer effect for the vibrations of vehicle, the vibrations to reduce vehicle to the greatest extent also need list
Only reload buffer mechanism 40, this is also the reason of buffer system is introduced high temperature superconducting magnetic suspension system by the present invention.
The structure or composition of buffer gear 40 with cushioning effect can there are many, such as damping spring, i.e., hold in low temperature
Damping spring is set between device 20 and vehicle frame 50, flexible deformation occurs when by mechanical force using damping spring and vehicle is risen
To cushioning effect.However there are the defects at least two parties face for damping spring：First, damping spring is for can be because during vibrations
It is apparent that vehicle vertical is prevented to move downward and play apparent cushioning effect, and for during vibrations vehicle vertical transport upwards
When dynamic, the prevention that is moved upwards to vehicle vertical by damping spring is indifferent, and (damping spring compression effect is good, and tension effect
Difference) and the cushioning effect that plays is not strong；Second is that damping spring is easy failure, or even fatigue because flexible deformation frequently occurs
It destroys, and then causes cushioning effect to weaken and even fail.
To improve the damping performance of vehicle, a preferred embodiment of the present invention provides a kind of excellent slow of damping effect
Punch mechanism 40, such as Fig. 3 are simultaneously combined shown in Fig. 1, and specifically, buffer gear 40 includes the cylinder body for being fixed on 20 top of low-temperature (low temperature) vessel
41, it is arranged in the chamber of cylinder body 41 and by chamber respectively at 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 into lower end
The piston rod 43 of connection, upper chamber and bottom chamber are respectively arranged with damping spring 47 and lower damping spring 44.Wherein：Piston
Entrance and exit corresponding the first check valve 45 and entrance and exit being connected to upper chamber and lower chambers respectively is installed on 42
Corresponding the second check valve 46 being connected to lower chambers and upper chamber respectively, and the conducting pressure condition of the second check valve 46 is made to set
It is set to when piston rod 43 and piston 42 bear the gravity of entire vehicle, the second check valve 46 is still in closed state, and when holding
When the power received is numerical value a certain more than vehicle weight, the conducting of the second check valve 46 can for the turn-on condition of the first check valve 45
To be set as arbitrary pressure value.
Above-mentioned buffer gear 40 can play the reason of cushioning effect and be：When vehicle does not shake in the vertical direction
When, the hydraulic medium of bottom chamber has certain pressure because bearing the gravity of entire vehicle, the second check valve on piston 42
46 close because being not up to turn-on condition, and the first check valve 45 is because having return-stopping function, to make the hydraulic pressure of bottom chamber be situated between
Matter can not enter upper chamber by the first check valve 45 and the second check valve 46, so that piston rod 43 is protected in the vertical direction
Hold motionless, vehicle smooth-ride in the horizontal direction.When because of certain 41 lower section of reason (as track 10 is laid with out-of-flatness) cylinder body
When running gear (such as low-temperature (low temperature) vessel 20 and superconducting block 31) shakes in the vertical direction, when running gear suddenly straight up
When movement, hydraulic medium pressure rise by the extruding of piston 42 of bottom chamber, when pressure rise to the second check valve 46
Turn-on condition when, the second check valve 46 conducting, the hydraulic medium of bottom chamber enters upper chamber, cylinder by the second check valve 46
Body 41 is moved upwards with running gear, and running gear and cylinder body 41 will not upwards be transported with piston 42, piston rod 43 and vehicle
Dynamic or piston 42, piston rod 43 and vehicle slowly move upwards, to achieve the purpose that buffering, when running gear is unexpected
When moving straight down, the indoor hydraulic medium of epicoele pressure rise by the extruding of piston 42, when pressure rise to first
When the turn-on condition of check valve 45, the first check valve 45 conducting, the indoor hydraulic medium of epicoele is entered by the first check valve 45
Lower chambers, cylinder body 41 are moved downward with running gear, and running gear and cylinder body 41 will not be with piston 42, piston rod 43 and vehicles
It moves downward or piston 42, piston rod 43 and vehicle slowly moves downward, to achieve the purpose that buffering.
Above-mentioned buffer gear 40 is using hydraulic medium in epicoele under the control of the first check valve 45 and the second check valve 46
It is flowed between room and lower chambers, to make cylinder body 41 and piston rod 43 form relative motion, and then realizes the buffering to vehicle, this
Kind fluid pressure type damping modes have the characteristics that buffering is soft compared to the damping modes of damping spring, it is often more important that there is no elasticity
The defect of failure, and the defect that damping spring can be overcome bad to the vehicle bumper effect moved straight up.
The turn-on condition of 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 only in this way can just be made to support vehicle, and when running gear is unexpected
When moving upwards, piston 42 squeezes lower chambers, when the pressure of the hydraulic medium of bottom chamber is higher than vehicle even running at this time
Pressure, the turn-on condition of the second check valve 46, which is arranged in raised a certain pressure value, to make running gear upward
When moving to a certain degree, the conducting of the second check valve 46.
From the explanations above as can be seen that turn-on condition set by the second check valve 46 closer to vehicle even running at present
The buffering effect of the pressure of the hydraulic medium of chamber, buffer gear 40 is better.
To further increase 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, in this way, buffer gear 40 utilizes hydraulic way and machine
Two kinds of damping modes of tool mode, substantially increase the damping effect of vehicle.
In addition, the invention also discloses a kind of magnetic suspension train, including vehicle frame 50, further include being arranged in vehicle frame 50 and track
Above-mentioned high temperature superconducting magnetic suspension system between 10.
Above example is only exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (5)
1. a kind of high temperature superconducting magnetic suspension system, which is characterized in that including：
Magnetic suspension mechanism comprising the track made of permanent magnet, the setting low-temperature (low temperature) vessel of side and setting on the track
In the low-temperature (low temperature) vessel by multiple superconducting blocks along multiple superconducting block layers of the track width direction arrangement form；
Buffer gear is arranged between vehicle frame and the low-temperature (low temperature) vessel to slow down movement of the vehicle frame in vertical direction；
The buffer gear includes the cylinder body for being fixed on the low-temperature (low temperature) vessel top, is arranged in the chamber of the cylinder body and by institute
It states chamber to be fixed on the vehicle frame at the piston and upper end of upper chamber and lower chambers respectively, the cylinder body and institute are stretched into lower end
State the piston rod of piston connection；Wherein：
Entrance and exit is installed on the piston, and corresponding first be connected to the upper chamber and the lower chambers is unidirectional respectively
Valve and entrance and exit correspond to the second check valve being connected to the lower chambers and the upper chamber respectively；
The conducting pressure condition of second check valve is set as when piston rod and piston bear the gravity of entire vehicle, and second is unidirectional
Still in closed state, and when the power born is more than vehicle weight, the second check valve is connected valve；
The upper chamber and the bottom chamber are respectively arranged with damping spring and lower damping spring.
2. high temperature superconducting magnetic suspension system as described in claim 1, which is characterized in that the superconducting block layer is upper superconducting block layer
With the folded two superconducting block layers formed of lower superconducting block layer heap.
3. high temperature superconducting magnetic suspension system as claimed in claim 2, which is characterized in that arbitrary two in the upper superconducting block layer
At the docking of adjacent superconducting block place's sequence is docked with arbitrary two adjacent superconducting blocks in the lower superconducting block layer.
4. high temperature superconducting magnetic suspension system as described in claim 1, which is characterized in that each the thickness of the superconducting block layer is
8mm-15mm。
5. a kind of magnetic suspension train, including vehicle frame, which is characterized in that further include being arranged between the vehicle frame and track such as power
Profit requires high temperature superconducting magnetic suspension system described in 1 to 4 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610632661.5A CN106080257B (en) | 2016-08-03 | 2016-08-03 | High temperature superconducting magnetic suspension system and magnetic suspension train |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610632661.5A CN106080257B (en) | 2016-08-03 | 2016-08-03 | High temperature superconducting magnetic suspension system and magnetic suspension train |
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| CN106080257A CN106080257A (en) | 2016-11-09 |
| CN106080257B true CN106080257B (en) | 2018-10-09 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336636B (en) * | 2017-06-30 | 2023-06-09 | 西南交通大学 | High-temperature superconductive magnetic suspension system |
| CN107972528B (en) * | 2017-12-26 | 2023-06-30 | 北京首旺科技有限公司 | Superconductive magnetic suspension sky street rail vehicle |
| CN114132186A (en) * | 2021-11-25 | 2022-03-04 | 江西理工大学 | Rare earth permanent magnet suspension track suspension force regulation and control system and method |
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| JP3252292B2 (en) * | 1992-10-15 | 2002-02-04 | 光洋精工株式会社 | Magnetic levitation device |
| 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 |
| CN205930329U (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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|---|---|---|---|---|
| CN2454171Y (en) * | 2000-12-07 | 2001-10-17 | 郑州郑工机械集团有限责任公司 | Oil-gas suspension mechanism |
| CN201575099U (en) * | 2009-12-29 | 2010-09-08 | 深圳市德平国瀚汽车电子科技有限公司 | Controllable extension and retract shock absorber |
| CN102039792A (en) * | 2010-08-26 | 2011-05-04 | 长沙中联重工科技发展股份有限公司 | Suspension valve, oil gas suspension system and engineering vehicle |
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