CN110295519A - High-temperature superconducting magnetic levitation track and magnetic suspension train operation method with cooling system - Google Patents
High-temperature superconducting magnetic levitation track and magnetic suspension train operation method with cooling system Download PDFInfo
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- CN110295519A CN110295519A CN201910646466.1A CN201910646466A CN110295519A CN 110295519 A CN110295519 A CN 110295519A CN 201910646466 A CN201910646466 A CN 201910646466A CN 110295519 A CN110295519 A CN 110295519A
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- track
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- 238000001816 cooling Methods 0.000 title claims abstract description 68
- 238000005339 levitation Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000725 suspension Substances 0.000 title claims description 25
- 238000010276 construction Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000002887 superconductor Substances 0.000 claims description 18
- 230000005484 gravity Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000979 retarding effect Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000003993 interaction Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
- E01B25/305—Rails or supporting constructions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The invention discloses a kind of high-temperature superconducting magnetic levitation track with cooling system, including sole-plate (1), sole-plate (1) two sides are symmetrically arranged with train support construction, the train support construction includes the track girder (5) perpendicular to the sole-plate (1) setting, and it is set to the track girder (5) top and the orbital plane (2) vertical with track girder (5), permanent magnet (3) are equipped at the top of the orbital plane (2), driving mechanism is equipped between the rail support structures, the driving mechanism includes the linear motor rotor support (6) perpendicular to the sole-plate (1) setting, and it is set to the linear motor rotor (4) on the linear motor rotor support (6).The invention also discloses the operation methods of train.High-temperature superconducting magnetic levitation track of the invention enables the train to keep suspended state in orbit, while the operation of train is controlled the control of train driving structure by control system, achievees the effect that accurately to control.
Description
Technical field
The invention belongs to high-temperature superconducting magnetic levitation track fields, super more particularly, to a kind of high temperature with cooling system
Magnetic conduction suspension railway and magnetic suspension train operation method.
Background technique
Currently, both at home and abroad all in the development for stepping up high-temperature superconducting maglev train.Magnetic suspension train, which is divided into, often leads and superconduction
Two kinds, often leading is using electromagnetic suspension technology, and generating magnetic field after being powered by electromagnet of the mechanism of suspension makes the suction of F rail
Train suspends, and often leads magnetic-levitation train and has at home and abroad obtained commercially using, and if Shanghai Airport magnetic is floating, Changsha magnetic floats and Beijing S1 line
Magnetic is floating.And superconduction is that the magnetic field generated under low-temperature condition by superconductor is generated with permanent magnet interaction in orbit is spread
Suspending power has essential difference with suspension system is often led.High temperature superconductor technology is at home and abroad in research and development state at present, domestic
The model for establishing scaling greatly is handed in southwest, and magnetic levitation track is laid with using ground, only meets low speed at present and pass through.Foreign countries are also at examination
Test the stage.At ambient by high temperature superconductor technology application, train theoretical velocity can achieve 4000km/h, as people are to speed
Pursuit, high-temperature superconductor magnetic-levitation train has broad prospects, but relevant complete set technology is in the starting stage, and band is cooling
The high-temperature superconducting magnetic levitation track of system is also at conceptual phase.
Linear motor rotor in high-temperature superconducting magnetic levitation needs long-continued operation in train operation, and motor
Long-term continuous operation can generate a large amount of thermal energy, so that linear motor rotor hot soak condition, reduces the use of motor
Service life increases energy consumption.The present invention has developed a kind of linear motor rotor support of high-temperature superconducting magnetic levitation track ribbon refrigerating function,
Linear motor rotor can be cooled down when linear motor rotor is run, it can be in high temperature superconducting magnetic suspension system route
It is applied in main track, auxiliary line, rolling stock section and parking lot.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of high-temperature superconductor magnetic with cooling system
Suspension railway and magnetic suspension train operation method provide upward support force to train by train support construction, make the train
Suspended state can be kept in orbit, to provide driving force for train and reduce straight-line electric with driving structure by the way that control is cooling
The temperature of machine rotor, while the operation of train is controlled the control of train driving structure by control system, reach accurate control
The effect of system.
To achieve the goals above, according to one aspect of the present invention, a kind of high-temperature superconductor magnetic with cooling system is provided
Suspension railway, including sole-plate,
The sole-plate two sides are symmetrically arranged with train support construction, which includes perpendicular to the track
The track girder of bottom plate setting and at the top of the track girder and the orbital plane vertical with the track girder, the track girder are whole
The concrete slab that structure is vertically arranged is cast on the sole-plate after the completion of track base plate paving, for being used as institute
The support construction of magnetic suspension train is stated, the orbital plane overall structure is cuboid plate structure, and horizontal symmetrical is set to the rail
Road back portion, and achieved a fixed connection by bolt；
Permanent magnet, the structure of the permanent magnet and the structure and shape of shape and the orbital plane are equipped at the top of the orbital plane
Match, collectively forms the track of magnetic suspension train traveling；
Driving mechanism is equipped between the rail support structures, which includes being arranged perpendicular to the sole-plate
Linear motor rotor support, and the linear motor rotor on the linear motor rotor support, the linear motor rotor
Cooperate with the linear motor stator electric and the permanent magnet for being set to magnetic suspension train bottom, supports the train to suspend certain high
Degree, and drive the train traveling.
Further, the linear motor rotor support generally rectangular parallelepiped structure, bottom offers through-hole, the through-hole
In be equipped with cooling tube, which is the cooling heat dissipation of the linear motor rotor.
Further, the cooling tube is round or square pipe, is two or more, each cooling tube is in a row set to described
In through-hole.
Further, the sole-plate is equipped with row's bolt hole on the inside of the track girder, the spiral through-hole with it is described
Track girder is arranged in parallel.
Further, the permanent magnet generally has the cuboid plate structure of same cross-sectional with the orbital plane, and
It is fixedly connected by magnetic attraction with the orbital plane.
Other side according to the invention provides a kind of operation method of magnetic suspension train, cooling using the band
The high-temperature superconducting magnetic levitation track of system is realized, is included the following steps:
S1: train and the high-temperature superconducting magnetic levitation track with cooling system are detected before train operation, then
The train is migrated to the high-temperature superconducting magnetic levitation track with cooling system, completion prepares before dispatching a car；
S2: carrying out cooling processing to high-temperature superconductor, and the permanent magnet for making it and being arranged in orbital plane generates opposite magnetic
Pole generates repulsive force, and the gravity with train itself is to counteracting, so that train be made to be suspended in certain distance in the orbital plane；
S3: after train is completed to suspend and keep stablizing, magnetic field is generated by linear motor rotor and is being arranged with setting
The linear motor rotor of vehicle bottom interacts, and generates electromagnetic force driving force, pushes the operation and braking of train, while by setting
The cooling tube inside linear motor rotor support is set to carry out cooling heat linear motor rotor；
S4: in launch train, an electric current gradually amplified is applied to linear motor rotor, makes the linear motor rotor
The forward driving forces being gradually increased are generated with straight line electron rotor, after train stable operation, to linear motor rotor
Apply a lesser electric current, the forward driving forces for enabling the linear motor rotor and tablet to generate offset train operation by
The resistance arrived guarantees the normal operation of train；When train will enter the station, linear motor rotor application one is gradually reduced
Reverse current, make the linear motor rotor and tablet generate one be gradually reduced back-drive power, thus help train into
Row retarding braking；
S5: after train deceleration braking finishes, it is stepped up the temperature that the high-temperature superconductor of train bottom plate is set, is made
It can slowly stable decline, until completing to stop.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1. high-temperature superconducting magnetic levitation track of the invention provides upward support force to train by train support construction,
So that the train is kept suspended state in orbit, provides driving force and drop with driving structure by control cooling for train
The temperature of low linear motor rotor, while the operation of train is controlled the control of train driving structure by control system, it reaches
To the effect accurately controlled.
2. high-temperature superconducting magnetic levitation track of the invention, which has the high-quality steel system of good stiffness and intensity
It makes, will not deform and damage when bearing the load of train, further improve the high-temperature superconductor magnetic with cooling system
The safety and reliability of suspension railway.
3. high-temperature superconducting magnetic levitation track of the invention, in train operation by the way that the high temperature of train chassis position is arranged in
With the permanent magnet that train support construction is arranged in repulsive interaction at the same level occurs for superconductor, and generating suspending power makes train suspend, and avoids
Train and the rail contact frictional influence speed of service, enable train to complete high-speed motion.
4. high-temperature superconducting magnetic levitation track of the invention, in train stable operation, linear motor rotor is continued working, and is led to
Supercooling pipe carries out auxiliary heat dissipation to the driving mechanism, avoids motor hot soak condition, leads to the use for reducing motor
Service life increases energy consumption.
5. magnetic suspension train operation method of the invention carries out cooling processing to high-temperature superconductor, makes it and be arranged in-orbit
Permanent magnet on road face generates opposite magnetic pole, generates repulsive force, the gravity with train itself is to counteracting, so that train be made to suspend
Its traveling or braking are driven in top of the rail certain altitude, and by linear motor, realizes high-temperature superconducting maglev train
Stable operation.
Detailed description of the invention
Fig. 1 is a kind of high-temperature superconducting magnetic levitation track stereo model schematic with cooling system of the embodiment of the present invention；
Fig. 2 is the plan view of Fig. 1；
Fig. 3 is A-A the schematic diagram of the section structure in Fig. 2；
Fig. 4 is a kind of high-temperature superconducting magnetic levitation track floor diagram with cooling system of the embodiment of the present invention；
Fig. 5 is a kind of high-temperature superconducting magnetic levitation track face schematic diagram with cooling system of the embodiment of the present invention；
Fig. 6 is a kind of high-temperature superconducting magnetic levitation track permanent magnet schematic diagram with cooling system of the embodiment of the present invention；
Fig. 7 is a kind of high-temperature superconducting magnetic levitation rail linearity rotor signal with cooling system of the embodiment of the present invention
Figure；
Fig. 8 is a kind of high-temperature superconducting magnetic levitation track beam schematic diagram with cooling system of the embodiment of the present invention；
Fig. 9 is that a kind of high-temperature superconducting magnetic levitation rail linearity rotor support with cooling system of the embodiment of the present invention shows
It is intended to；
Figure 10 is a kind of high-temperature superconducting magnetic levitation track cooling tube schematic diagram with cooling system of the embodiment of the present invention.
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1- sole-plate, 2- rail
Road face, 3- permanent magnet, 4- linear motor rotor, 5- track girder, 6- linear motor rotor support, 7- cooling tube.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Not constituting conflict between this can be combined with each other.
Fig. 1 is a kind of high-temperature superconducting magnetic levitation track stereo model schematic with cooling system of the embodiment of the present invention.Such as
Shown in Fig. 1, which includes sole-plate 1, train support construction and driving mechanism.
Train support construction and driving mechanism are fixedly mounted on sole-plate 1, in the operational process of train, are supported and are tied by train
Structure provides upward support force to train, and the train is enable to keep suspended state in orbit.Later, by control it is cooling with
Driving structure come for train provide driving force and reduce linear motor rotor 4 temperature, meanwhile, by control system to train drive
Controlling to control the operation of train for dynamic structure, achievees the effect that accurately to control.
As shown in Figure 1-Figure 3, for the sole-plate 1 generally with the plate road of rectangular section, which is this with cold
But the mounting seat of the high-temperature superconducting magnetic levitation track of system is provided in 1 upper surface of sole-plate close to rear and front end position
Bolt hole, and the 1 upper surface middle position of sole-plate is provided with pre-embedded bolt, the bolt hole and pre-embedded bolt or so
Direction is arranged and prolongs that mid-plane is symmetrical, and bolt hole is used for and is arranged in the coagulation that sole-plate lower disposed has pre-embedded bolt
Dirt road base is fixedly connected, and the mode being bolted guarantees that sole-plate 1 will not loosen, and avoids depositing for security risk
Improving the safety and reliability of the high-temperature superconducting magnetic levitation track with cooling system.Pre-embedded bolt drives for train
The fixed installation of structure provides installation base for the train driving structure.
As shown in Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 8, which includes orbital plane 2, permanent magnet 3 and track girder
5.Wherein, the concrete slab that 5 overall structure of track girder is vertically arranged, the track girder 5 are arranged on sole-plate 1, are located at rail
On the outside of the bolt hole of 1 upper surface of road bottom plate setting, and 5 left and right directions of track girder arrangement and to prolong mid-plane symmetrical, it is in-orbit
Road bottom plate 1 is laid with after completion, is cast on the sole-plate 1, provides base and support for the train support construction.Meanwhile
The upper surface of the track girder 5 is provided with pre-embedded bolt, in order to the fixed installation of orbital plane 2, improves the height with cooling system
The feasibility of temperature superconductive magnetic-levitation.2 overall structure of orbital plane is cuboid plate structure, which is horizontally set on
On 5 upper surface of track girder, and 2 left and right directions of orbital plane arrangement and to prolong mid-plane symmetrical, meanwhile, and it is arranged in track girder 5
The mode that pre-embedded bolt on upper surface is bolted is fixedly connected, and provides installation base for permanent magnet 3.It is preferred that
Ground, which should select manufactures with the high-quality steel of good stiffness and intensity, on the one hand, when bearing the load of train
It will not deform and damage, further improve the safety of the high-temperature superconducting magnetic levitation track with cooling system and reliable
Property.On the other hand, it selects high-quality steel to manufacture the orbital plane 2 to be conducive to reach forever the attraction of steel material by permanent magnet 3
The fixed installation of magnet 3 improves the feasibility of the high-temperature superconducting magnetic levitation track with cooling system.3 overall structure of permanent magnet
To have the cuboid plate structure of same cross-sectional with orbital plane 2, which is arranged on 2 upper surface of orbital plane, by certainly
Body is completed to be fixedly mounted to the attractions of steel, meanwhile, which arranges and to prolong mid-plane symmetrical.It is arranging
Occurred together by the high-temperature superconductor that train chassis position is arranged in the permanent magnet 3 that train support construction is arranged in when vehicle is run
Grade repulsive interaction, generating suspending power makes train suspend, and avoids train and the rail contact frictional influence speed of service, enables train
High-speed motion is completed, the reliability of the high-temperature superconducting magnetic levitation track with cooling system is improved.
As shown in Fig. 1, Fig. 7, Fig. 9 and Figure 10, which includes linear motor rotor 4, linear motor rotor support 6
With cooling tube 7.Wherein, 6 overall structure of linear motor rotor support is rectangular parallelepiped structure, between the rectangular parallelepiped structure or so end face
It is provided with rectangular through-hole, convenient for the installation of cooling tube 7.The middle position of sole-plate 1 is arranged in the linear motor rotor support 6,
By being fixedly connected on sole-plate 1, and the linear motor with the pre-embedded bolt for being arranged in 1 upper surface middle position of sole-plate
Rotor support is provided with pre-embedded bolt on 6 upper surface, in order to the installation of linear motor rotor 4.In train operation, by this
The interaction force that linear motor rotor 4 is subject to is transmitted to the high-temperature superconductor magnetic with cooling system by linear motor rotor support 6
On the sole-plate 1 of suspension railway, stable support is provided for linear motor rotor 4, guarantees the safe operation of train, improves the band
The safety and reliability of the high-temperature superconducting magnetic levitation track of cooling system.The generally rectangular parallelepiped structure of linear motor rotor 4 is led to
The upper surface that bolted mode is arranged in linear motor rotor support 6 is crossed, for providing driving force for train.It is transported in train
In capable process, by the tablet interaction being arranged on train bottom structure, driving force is generated to complete train fortune
Dynamic and braking, improves the feasibility of the high-temperature superconducting magnetic levitation track with cooling system.7 overall structure of cooling tube is round tube
Road, the cooling tube 7 three are arranged in parallel inside 6 lower end hollow structure of linear motor rotor support.In train stable operation,
Linear motor rotor 4 continues working, and carries out auxiliary heat dissipation to the driving mechanism by cooling tube 7, motor is avoided to be chronically at height
Temperature state leads to the service life for reducing motor, increases energy consumption.Improve the high-temperature superconducting magnetic levitation track with cooling system
Practicability and safety.
A kind of high-temperature superconducting magnetic levitation track with cooling system of the embodiment of the present invention, working principle and its specific implementation step
It is rapid as follows:
Step 1: before train operation, train and the high-temperature superconducting magnetic levitation track with cooling system should be examined
It surveys, to achieve the purpose that security risk is discharged, it is ensured that safe train operation.The train is migrated to the height with cooling system later
On the upside of temperature superconductive magnetic-levitation, completion prepares before dispatching a car.
Step 2: after preparing before completing to dispatch a car, cooling processing being carried out to high-temperature superconductor first, itself and setting is made to exist
Permanent magnet 3 in orbital plane 2 generates opposite magnetic pole, generates repulsive force, and the gravity with train itself is to counteracting, so that reaching makes
The purpose that train suspends.
Step 3: after train is completed to suspend and keep stablizing, by being arranged on linear motor rotor support 6
Linear motor rotor 4 generates magnetic field and the tablet phase separation that train lower part is arranged in, and generates electromagnetic force driving force, pushes train
Operation and braking.Control by control system to 4 electrical current of linear motor rotor, to reach to linear motor rotor
The strong and weak control of 4 electromagnetic fields generated.Meanwhile by the way that the cooling tube 7 inside linear motor rotor support 6 is arranged in straight line
Rotor 4 carries out cooling heat.
Step 4: in launch train, an electric current gradually amplified being applied to linear motor rotor 4, makes the linear motor
Rotor 4 and tablet generate the forward driving forces being gradually increased；After train stable operation, to linear motor rotor 4
Apply a lesser electric current, the forward driving forces for enabling the linear motor rotor 4 and tablet to generate offset train operation
The resistance being subject to guarantees the normal operation of train；When train will enter the station, one is applied to linear motor rotor 4 and is gradually subtracted
Small reverse current, make the linear motor rotor 4 and tablet generate one be gradually reduced back-drive power, to help to arrange
Vehicle carries out retarding braking.
Step 5: after train deceleration braking finishes, being stepped up the temperature that the high-temperature superconductor of train bottom plate is set
Degree, can slowly stable decline, until completing to stop.In addition, high-temperature superconductor magnetic that should periodically to this with cooling system
Suspension railway is inspected periodically, and excludes security risk, the safety of passenger is enable to ensure.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of high-temperature superconducting magnetic levitation track with cooling system, including sole-plate (1), it is characterised in that:
Sole-plate (1) two sides are symmetrically arranged with train support construction, which includes perpendicular to the track
The track girder (5) and be set to the track girder (5) top and the orbital plane (2) vertical with track girder (5) that bottom plate (1) is arranged,
The concrete slab that track girder (5) overall structure is vertically arranged is cast in this after sole-plate (1) is laid with completion
On sole-plate (1), for the support construction as the magnetic suspension train, orbital plane (2) overall structure is cuboid
Plate structure, horizontal symmetrical is set at the top of the track girder (5), and is achieved a fixed connection by bolt；
Permanent magnet (3) are equipped at the top of the orbital plane (2), the structure of the permanent magnet (3) and the knot of shape and the orbital plane (2)
Structure matches with shape, collectively forms the track of magnetic suspension train traveling；
Driving mechanism is equipped between the rail support structures, which includes being arranged perpendicular to the sole-plate (1)
Linear motor rotor support (6), and be set to the linear motor rotor support (6) on linear motor rotor (4), the straight line
Rotor (4) cooperates with the linear motor stator electric and the permanent magnet (3) for being set to magnetic suspension train bottom, described in support
Train suspension certain altitude, and drive the train traveling.
2. a kind of high-temperature superconducting magnetic levitation track with cooling system according to claim 1, which is characterized in that described straight
Line rotor support (6) generally rectangular parallelepiped structure, bottom offer through-hole, are equipped with cooling tube (7) in the through-hole, this is cold
But pipe (7) is the linear motor rotor (4) cooling heat dissipation.
3. a kind of high-temperature superconducting magnetic levitation track with cooling system according to claim 1 or 2, which is characterized in that institute
Cooling tube (7) are stated as round or square pipe, are two or more, each cooling tube is in a row set in the through-hole.
4. a kind of high-temperature superconducting magnetic levitation track with cooling system according to any one of claim 1-3, feature
It is, the sole-plate (1) is equipped with row's bolt hole, the spiral through-hole and the track girder on the inside of track girder (5)
(5) it is arranged in parallel.
5. a kind of high-temperature superconducting magnetic levitation track with cooling system, feature described in any one of -4 according to claim 1
It is, the permanent magnet (3) generally has the cuboid plate structure of same cross-sectional with the orbital plane (2), and passes through magnetic
Attraction is fixedly connected with the orbital plane (2).
6. a kind of operation method of magnetic suspension train, which is characterized in that application band according to any one of claims 1 to 5 is cold
But the high-temperature superconducting magnetic levitation track of system is realized, is included the following steps:
S1: train and the high-temperature superconducting magnetic levitation track with cooling system are detected before train operation, then should
Train is migrated to the high-temperature superconducting magnetic levitation track with cooling system, and completion prepares before dispatching a car；
S2: carrying out cooling processing to high-temperature superconductor, and the permanent magnet (3) for making it and being arranged on orbital plane (2) generates on the contrary
Magnetic pole generates repulsive force, and the gravity with train itself is to counteracting, so that train be made to be suspended in a spacing on the orbital plane (2)
From；
S3: after train is completed to suspend and keep stablizing, magnetic field is generated by linear motor rotor (4) and is arranged in train
The linear motor rotor of bottom interacts, and generates electromagnetic force driving force, pushes the operation and braking of train, while passing through setting
Linear motor rotor (4) is carried out cooling heat in linear motor rotor support (6) internal cooling tube (7)；
S4: in launch train, an electric current gradually amplified is applied to linear motor rotor (4), makes the linear motor rotor
(4) the forward driving forces being gradually increased are generated with straight line electron rotor, after train stable operation, linear motor is turned
Sub (4) apply a lesser electric current, and the forward driving forces for enabling the linear motor rotor (4) and tablet to generate offset column
Vehicle runs the resistance being subject to, and guarantees the normal operation of train；When train will enter the station, one is applied to linear motor rotor (4)
A reverse current gradually reduced, make the linear motor rotor (4) and tablet generate one be gradually reduced back-drive power,
To help train to carry out retarding braking；
S5: after train deceleration braking finishes, being stepped up the temperature that the high-temperature superconductor of train bottom plate is arranged in, can
Slowly stable decline is reached, until completing to stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646466.1A CN110295519B (en) | 2019-07-17 | 2019-07-17 | High-temperature superconductive magnetic levitation track with cooling system and magnetic levitation train operation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646466.1A CN110295519B (en) | 2019-07-17 | 2019-07-17 | High-temperature superconductive magnetic levitation track with cooling system and magnetic levitation train operation method |
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| Publication Number | Publication Date |
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| CN110295519A true CN110295519A (en) | 2019-10-01 |
| CN110295519B CN110295519B (en) | 2024-03-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112420312A (en) * | 2020-10-29 | 2021-02-26 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Modular high-temperature superconducting magnet system and assembly method thereof |
| CN112644291A (en) * | 2019-10-10 | 2021-04-13 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Bottom suspension guide system |
| CN113415171A (en) * | 2021-07-07 | 2021-09-21 | 西南交通大学 | Suspension driving integrated magnetic suspension system and suspension driving method |
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