CN108657011A - A kind of vacuum pipe magnetcisuspension train mixing EMS supporting structures - Google Patents

A kind of vacuum pipe magnetcisuspension train mixing EMS supporting structures Download PDF

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Publication number
CN108657011A
CN108657011A CN201810228019.XA CN201810228019A CN108657011A CN 108657011 A CN108657011 A CN 108657011A CN 201810228019 A CN201810228019 A CN 201810228019A CN 108657011 A CN108657011 A CN 108657011A
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CN
China
Prior art keywords
train
vacuum pipe
electromagnetic
ems
permanent magnet
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Pending
Application number
CN201810228019.XA
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Chinese (zh)
Inventor
胡业发
冉少林
张宇
吴华春
程鑫
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Filing date
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Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN201810228019.XA priority Critical patent/CN108657011A/en
Publication of CN108657011A publication Critical patent/CN108657011A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L13/00Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/04Magnetic suspension or levitation for vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00Other railway systems
    • B61B13/08Sliding or levitation systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00Other railway systems
    • B61B13/10Tunnel systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2200/00Type of vehicles
    • B60L2200/26Rail vehicles

Abstract

The invention discloses a kind of vacuum pipe magnetcisuspension train mixing EMS supporting structures, including vacuum pipe, capsule train and bearing targeting part, capsule train is set in vacuum pipe, track armature is laid in along the length direction of vacuum pipe on the inner wall of vacuum pipe, bearing targeting part is equipped between vacuum pipe and track armature, it includes electromagnetic coil to support targeting part, electromagnetic core, permanent magnet, safety supports wheel, electromagnetic core is set to the upper end of capsule train, safety supports wheel is set to the lower end of capsule train, permanent magnet and electromagnetic coil may be contained on electromagnetic core, permanent magnet is mutually twisted with track armature.Realize that zero energy suspends, substantially reduce the power consumption of system, reduce the required number of ampere turns of coil, reduce the cost of train and track, the parts electromagnetism EMS apply active control and provide suspension damping, train operation is more steady, and comfort is more preferable, improves space availability ratio, reduces suspension power consumption, is cost-effective.

Description

A kind of vacuum pipe magnetcisuspension train mixing EMS supporting structures
Technical field
The present invention relates to magnetic suspension train technical fields, and in particular to a kind of vacuum pipe magnetcisuspension train mixing EMS bearings Structure.
Background technology
Vacuum line magnetic suspension train system is that magnetic suspension train is placed in the sealing pipeline for be pumped near vacuum to run, Its key technology includes:Vacuum technique, traction electric machine technology and magnetic suspension train technology, wherein magnetic suspension train technological core It is suspension bearing technology.Currently, vacuum line magnetic suspension supporting scheme and the support scheme of conventional magnetic suspension train are substantially the same, It has focused largely on normal conducting electromagnetic levitation (EMS), permanent magnet suspension (PMS), electrodynamics suspension (EDS), high-temperature superconductor and suspends (HTS);Its Middle normal conducting electromagnetic levitation (EMS) is to realize to suspend using the attraction between normal conductive magnet and strong magnetizer, present this knot Structure Technical comparing is ripe, controllable and high stability, but suspending power is provided completely by electromagnetic force, needs sizable coil electricity Stream could generate enough suspending powers, therefore cause the suspension energy consumption of magnetic-levitation train larger, and control system is relative complex;Permanent magnetism Suspend (PMS) be using between permanent magnet attraction or repulsive force realize and suspend that power consumption is few but unstable needs to introduce other Active control or constraint could realize stable suspersion, and permanent magnet be placed in it is outdoor among may adsorb other ferromagnetic materials Easily cause train accident;Electrodynamics suspension (EDS) be using variation electromagnetic field in metallic conductor inductive loop, eddy current magnetism with The direction of former excitation field to generate repulsive force on the contrary, realize suspension, former excitation field can be by normal conductive magnet, permanent magnet Or superconducting magnet excitation, at low cost, energy consumption is small, but suspending power increases with the increase of speed, so in static or low-speed situations Under can not suspend;High-temperature superconductor suspension (HTS) is that the self-stabilization for being not required to control is realized using the pinning properties of high-temperature superconducting block Driven suspension technology, but its construction cost is big, and technological difficulties are high, it is difficult to safeguard, still be in the experimental study stage.
With the development and utilization of high energy product permanent magnet, wherein NdFeB material possesses quite high coercivity and magnetic energy Product, time performance stability are good.Electromagnetism and permanent magnetism are constituted into hybrid suspension system, generated required for suspension using permanent-magnet material Main suspending power, by normal conductor coil generate electromagnetic force controlled, can substantially reduce system coil electric current number of ampere turns to Suspension energy consumption is reduced, supporting structure volume is also reduced, it is cost-effective.
So considering electromagnetism bearing being combined with permanent magnetism bearing, the suspending power of magnetic suspension train is provided with permanent magnet, with Electromagnetic force provides the control force of magnetic suspension train, forms a kind of hybrid magnetic suspension supporting system, by changing supporting structure and rail Road structure to adapt to higher speed, the running environment of duct type, magnetic suspension train stable suspersion not only may be implemented, but also can be with big It is big to save energy consumption and cost.
Invention content
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of vacuum tube Road magnetic suspension train mixing EMS supporting structures realize that zero energy suspends, substantially reduce the power consumption of system, pass through electromagnetic coil and electricity The electromagnetic force that magnetic core is formed provides a little suspending power and control force of magnetic suspension train, subtracts significantly relative to existing EMS system Lack the required number of ampere turns of coil, reduces the cost of train and track, it is outstanding that the parts electromagnetism EMS apply active control offer Floating damping, train operation is more steady, and comfort is more preferable, improves space availability ratio, reduces suspension power consumption, is cost-effective.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of vacuum pipe magnetcisuspension train mixing EMS supporting structures, including vacuum pipe, capsule train and bearing guide part Point, capsule train is set in vacuum pipe, and track armature is laid in the inner wall of vacuum pipe along the length direction of vacuum pipe On, bearing targeting part is equipped between vacuum pipe and track armature,
Wherein, bearing targeting part includes electromagnetic coil, electromagnetic core, permanent magnet, safety supports wheel, electromagnetic core setting In the upper end of capsule train, safety supports wheel is set to the lower end of capsule train, and permanent magnet and electromagnetic coil may be contained within electromagnetism On iron core, permanent magnet is mutually twisted with track armature.
According to above-mentioned technical proposal, electromagnetic core is E type electromagnetic cores, and track armature is the type of falling E track armature, E type electricity Magnetic core is equipped with 3 magnetic poles arranged side by side.
According to above-mentioned technical proposal, permanent magnet is mounted on the end face of E type electromagnetic cores.
According to above-mentioned technical proposal, permanent magnet is mounted on the consequent pole of E type electromagnetic cores, and electromagnetic coil is wound in On the both ends magnetic pole of E type electromagnetic cores or on the consequent pole of E type electromagnetic cores.
According to above-mentioned technical proposal, permanent magnet is mounted on the both ends magnetic pole end face of E type electromagnetic cores, and electromagnetic coil twines It is around on the both ends magnetic pole end face of electromagnetic core.
According to above-mentioned technical proposal, is not mounted on E type electromagnetic cores and be pasted with sheet rubber on the end face of magnetic pole.
According to above-mentioned technical proposal, the number of track armature and electromagnetic core is 2, and track armature is symmetrically distributed in very The upper end both sides of vacant duct, electromagnetic core are symmetrically distributed in the upper end both sides of capsule train.
According to above-mentioned technical proposal, two track armature and two electromagnetic cores are symmetrical in vertical direction with 35 °~40 ° Arrangement.
According to above-mentioned technical proposal, the material of permanent magnet is arbitrary in neodymium iron boron, alnico, ferrite and Rare-Earth Cobalt One or more of arbitrary combinations, the magnetizing direction of permanent magnet is along thickness face track armature direction;
The material of electromagnetic core is any one or a few the arbitrary combination in silicon steel sheet, electrical pure iron and structural steel.
According to above-mentioned technical proposal, the vacuum pipe magnetcisuspension train mixing EMS supporting structures further include measuring control Part, it includes displacement sensor, controller and magnet current driver to measure control section, controller and magnet current driver It is connect with electromagnetic core and displacement sensor, displacement sensor is fixed on E type electromagnetic core consequent pole both sides of the face, is right against The type of falling E track armature consequent pole top end face.
The invention has the advantages that:
1. the advantages of mixing EMS supporting structure combination permanent-magnet materials of the present invention, magnetic suspension train is provided by permanent magnet Main suspending power, realize that zero energy suspends, substantially reduce the power consumption of system, pass through the electricity that electromagnetic coil and electromagnetic core are formed Magnetic force provides a little suspending power and control force of magnetic suspension train, is greatly reduced required for coil relative to existing EMS system Number of ampere turns, reduce the cost of train and track, the parts electromagnetism EMS apply active control and provide suspension damping, train fortune Row is more steady, and comfort is more preferable, improves space availability ratio, reduces suspension power consumption, is cost-effective.
2. among the present invention is fixed on pipeline using armature as track, electromagnet is fixed on above train, on formation hanger rail Suction suspends, and suspends relative to existing holding rail, and structure is compacter simple, space availability ratio higher, can reduce vehicle body with And pipeline product, save construction cost;The present invention mixes EMS slant settings, and the electromagnetic force of generation can be analyzed to the outstanding of vertical direction The guiding force of buoyancy and horizontal direction realizes guiding and suspension function and one, avoids that guide frame is separately provided.
Description of the drawings
Fig. 1 is the structural schematic diagram of vacuum pipe magnetcisuspension train mixing EMS supporting structures in the embodiment of the present invention;
Fig. 2 is the A-A sectional views of Fig. 1;
Fig. 3 (a) is the structural schematic diagram that EMS system electromagnet is mixed in the embodiment of the present invention one;
Fig. 3 (b) is the structural schematic diagram that EMS system electromagnet is mixed in the embodiment of the present invention two;
Fig. 3 (c) is the structural schematic diagram that EMS system electromagnet is mixed in the embodiment of the present invention three;
Fig. 4 (a) is the schematic diagram of magnetic circuit when mixing EMS supporting structure working conditions in the embodiment of the present invention one;
Fig. 4 (b) is the schematic diagram of magnetic circuit when mixing EMS supporting structure working conditions in the embodiment of the present invention two;
In figure, 1- vacuum pipes, 2- track armature, 3- electromagnetic coils, 4- electromagnetic cores, 5- permanent magnets, 6- sheet rubbers, 7- Capsule train, 8- safety supports wheels, 9- linear motors, 10- displacement sensors, 11- controllers, 12- drivers.
Specific implementation mode
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 4, the vacuum pipe magnetcisuspension train mixing EMS branch in one embodiment provided by the invention Bearing structure, including vacuum pipe 1, capsule train 7 and bearing targeting part, capsule train 7 are set in vacuum pipe 1, track For armature 2 along the inner wall that the length direction of vacuum pipe 1 is laid in vacuum pipe 1, track armature 2 is embedded in vacuum pipe 1 Inner wall is equipped with bearing targeting part between vacuum pipe 1 and track armature 2,
Wherein, bearing targeting part includes electromagnetic coil 3, electromagnetic core 4, permanent magnet 5, safety supports wheel 8, electromagnetic core 4 are set to the upper end of capsule train 7, and safety supports wheel 8 is set to the lower end of capsule train 7, and permanent magnet 5 and electromagnetic coil 3 are equal It is set on electromagnetic core 4, permanent magnet 5 is mutually twisted with track armature 2;Realize radial suspension and guide function, supporting structure The main suspending power that magnetic suspension train is provided with permanent magnet provides a little suspending power and the control of magnetic suspension train with electromagnetic force Power so that whole system stablizes suspension and the guiding of low energy consumption, and vacuum pipe 1 is pipeline skeleton.
Further, electromagnetic core 4 is E types electromagnetic core 4, and track armature 2 is the type of falling E track armature 2, E type electromagnet Core 4 is equipped with 3 magnetic poles arranged side by side.
Further, permanent magnet 5 is mounted on the end face of E types electromagnetic core 4;Hybrid electromagnetic iron is constituted, hybrid electromagnetic iron is total Four groups are counted, is respectively arranged and forms four-point supporting in 7 end of capsule train and tail portion, hybrid electromagnetic iron is by electromagnetic core 4, permanent magnetism Body and electromagnetic coil 3 form.
Further, permanent magnet is mounted on the consequent pole of E types electromagnetic core 4, and electromagnetic coil 3 is wound in E type electricity On the both ends magnetic pole of magnetic core 4 or on the consequent pole of E types electromagnetic core 4.
Further, permanent magnet is mounted on the both ends magnetic pole end face of E types electromagnetic core 4, and electromagnetic coil 3 is wound in electricity On the both ends magnetic pole end face of magnetic core 4.
Further, it is not mounted on E types electromagnetic core 4 and is pasted with sheet rubber 6 on the end face of magnetic pole.
Further, the number of track armature 2 and electromagnetic core 4 is 2, and track armature 2 is symmetrically distributed in vacuum tube The upper end both sides in road 1, electromagnetic core 4 are symmetrically distributed in the upper end both sides of capsule train 7;Hanger rail updraft type is formed to suspend.
Further, two track armature 2 and two electromagnetic cores 4 are arranged symmetrically in vertical direction with 37 °.
Further, the material of permanent magnet be neodymium iron boron, alnico, ferrite and Rare-Earth Cobalt in any one or it is several The arbitrary combination of kind, the magnetizing direction of permanent magnet is along 2 direction of thickness face track armature;
The material of electromagnetic core 4 is any one or a few the arbitrary combination in silicon steel sheet, electrical pure iron and structural steel.
Further, the vacuum pipe magnetcisuspension train mixing EMS supporting structures further include measuring control section, are measured Control section includes displacement sensor 10, controller 11 and magnet current driver 12, controller 11 and magnet current driver 12 connect with electromagnetic core 4 and displacement sensor 10, form a closed loop monitoring and controlling, and real-time control is carried out to system suspension, Displacement sensor 10 is fixed on 4 consequent pole both sides of the face of E types electromagnetic core, is right against 2 consequent pole top of the type of falling E track armature End face.
Further, controller 11 and magnet current driver 12 are arranged in above 7 vehicle body of capsule train, pass through cable It is connected with electromagnetic coil 3 and suspension displacement sensor 10, forms a closed loop monitor control system, suspending to train, it is real-time to carry out Control;When train be in static non-suspended state or suspend failure when, train by the fixed safety supports wheel 8 with below vehicle body and Mechanical tracks contact carries out mechanical support below pipeline;When suspended state, top energization hybrid electromagnetic iron core 4 and track armature 2 generation suction make vehicle body up to levitated equilibrium position advance without friction.
Further, vacuum pipe magnetcisuspension train mixing EMS supporting structures further includes drive part, drive part setting In the lower end of capsule train 7, drive part drives for linear motor 9, and long stator is arranged in below pipeline, and short mover is mounted on glue 7 lower section of capsule train.
Further, vacuum line magnetic suspension train mixing EMS supporting structures suspension electricity in three embodiments of the invention Magnet such as Fig. 3 (a), Fig. 3 (b) and Fig. 3 (c) are shown, and Fig. 3 (a) middle orbits armature 2 is fixed on vacuum pipe 1, electromagnetic core 4 Track armature 2 is right against to be fixed on capsule train 7;4 both ends pole of electromagnetic core winds electromagnetic coil 3, intermediate pole attachment Permanent magnet 5.Other arrangements such as 4 consequent pole end face of Fig. 3 (b) electromagnetic cores mounts permanent magnet, and pole winds electromagnetism Coil 3;Or as 4 both ends magnetic pole face paste of Fig. 3 (c) electromagnetic cores fills permanent magnet, intermediate pole winding electromagnetic coil 3;Its In do not mount the magnetic pole face paste dress sheet rubber 6 of permanent magnet 5, mount a little higher than 5 magnetic pole of attachment permanent magnet of magnetic pole height of rubber Height end face, rise and anti-inhale dead position-limiting action.
Schematic diagram such as Fig. 4 when a kind of vacuum line magnetic suspension train mixing EMS supporting structures of Fig. 3 (a) form work Shown, other forms principle is similar:When train operation is in nominal operation gap, that is, equilbrium position, the magnetic of the generation of permanent magnet 5 Field force is equal to the gravity of train, realizes that zero energy suspends;Deviate equilbrium position to far from track armature 2 when train generates fluctuation When, electromagnetic coil 3 applies forward current and generates electromagnetism magnetic flux identical with permanent magnet flux, and the two is overlapped mutually enhancing such as Fig. 4 (a) It is shown, the magnetic field force more than vehicle body gravity is will produce between electromagnetic core 4 and track armature 2, train is made to gradually return to balance position It sets;Conversely, train generate fluctuation deviate equilbrium position to track armature 2 close to when, electromagnetic coil 3 apply reverse current generate with The opposite electromagnetism magnetic flux of permanent magnet flux, the two is overlapped mutually reduction as shown in Fig. 4 (b), between electromagnetic core 4 and armature track 2 The magnetic field force of generation is less than vehicle body gravity, and train gradually returns to equilbrium position.
In conclusion the present invention combines the advantages of existing EMS and permanent-magnet material, magnetic suspension train is provided with permanent magnet Main suspending power, electromagnetic force provide a little suspending power and control force of magnetic suspension train, are greatly reduced relative to pure EMS system The required number of ampere turns of coil, reduces the cost of train and track;The present invention uses electromagnet and permanent magnet mixing bearing, permanent magnet Main suspending power is provided, the parts electromagnetism EMS apply active control and provide suspension damping, and relative to EDS system, train operation is more Steadily, comfort is more preferable;Among the present invention is fixed on pipeline using armature as track, electromagnet is fixed on above train, is formed Hanger rail updraft type suspends, and suspends relative to existing holding rail, and structure is compacter simple, and space availability ratio higher can reduce Vehicle body and pipeline product, save construction cost;The present invention uses mixing EMS to suspend and provides the main of magnetic suspension train with permanent magnet Even whole suspending powers, may be implemented zero energy suspension, substantially reduce the power consumption of system;The present invention mixes EMS slant settings, production Raw electromagnetic force can be analyzed to the suspending power of vertical direction and the guiding force of horizontal direction, realizes and is oriented to and suspension function and one Body avoids that guide frame is separately provided.
Above is only presently preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this, Therefore according to equivalence changes made by scope of the present invention patent, still belong to protection scope of the present invention.

Claims (10)

1. a kind of vacuum pipe magnetcisuspension train mixing EMS supporting structures, which is characterized in that including vacuum pipe, capsule train and Targeting part is supported, capsule train is set in vacuum pipe, and track armature is laid in vacuum along the length direction of vacuum pipe Bearing targeting part is equipped on the inner wall of pipeline, between vacuum pipe and track armature,
Wherein, bearing targeting part includes electromagnetic coil, electromagnetic core, permanent magnet, safety supports wheel, and electromagnetic core is set to glue The upper end of capsule train, safety supports wheel are set to the lower end of capsule train, and permanent magnet and electromagnetic coil may be contained within electromagnetic core On, permanent magnet is mutually twisted with track armature.
2. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 1, which is characterized in that electromagnetic core For E type electromagnetic cores, track armature is the type of falling E track armature, and E type electromagnetic cores are equipped with 3 magnetic poles arranged side by side.
3. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 2, which is characterized in that permanent magnet pastes End face loaded on E type electromagnetic cores.
4. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 3, which is characterized in that permanent magnet It is mounted on the consequent pole of E type electromagnetic cores, electromagnetic coil is wound on the both ends magnetic pole of E type electromagnetic cores or E type electromagnetism On the consequent pole of iron core.
5. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 3, which is characterized in that permanent magnet It is mounted on the both ends magnetic pole end face of E type electromagnetic cores, electromagnetic coil is wound on the both ends magnetic pole end face of electromagnetic core.
6. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 4 or 5, which is characterized in that E type electricity It is not mounted on magnetic core and is pasted with sheet rubber on the end face of magnetic pole.
7. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 1, which is characterized in that track armature Number with electromagnetic core is 2, and track armature is symmetrically distributed in the upper end both sides of vacuum pipe, and electromagnetic core is symmetrical In the upper end both sides of capsule train.
8. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 7, which is characterized in that two tracks Armature and two electromagnetic cores are arranged symmetrically in vertical direction with 35 °~40 °.
9. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 1, which is characterized in that permanent magnet Material be any one or a few arbitrary combination in neodymium iron boron, alnico, ferrite and Rare-Earth Cobalt, permanent magnet fills Magnetic direction is along thickness face track armature direction;
The material of electromagnetic core is any one or a few the arbitrary combination in silicon steel sheet, electrical pure iron and structural steel.
10. vacuum pipe magnetcisuspension train mixing EMS supporting structures according to claim 1, which is characterized in that described is true Vacant duct magnetic suspension train mixing EMS supporting structures further include measuring control section, and it includes displacement sensor, control to measure control section Device and magnet current driver processed, controller and magnet current driver are connect with electromagnetic core and displacement sensor, and displacement passes Sensor is fixed on E type electromagnetic core consequent pole both sides of the face, is right against the type of falling E track armature consequent pole top end face.
CN201810228019.XA 2018-03-20 2018-03-20 A kind of vacuum pipe magnetcisuspension train mixing EMS supporting structures Pending CN108657011A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109807908A (en) * 2019-03-01 2019-05-28 西京学院 A kind of magnetic-type walking robot for vacuum pipe maintenance and inspection
WO2020243999A1 (en) * 2019-06-06 2020-12-10 江西理工大学 Permanent magnet magnetic suspension pipe track transportation system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1803489A (en) * 2005-12-31 2006-07-19 广州市地下铁道总公司 Suspension method of mixed magnetic suspension and magnetic suspension system
CN101837790A (en) * 2010-06-06 2010-09-22 张耀平 External thin-wall vacuum duct maglev traffic system of power system
CN103318048A (en) * 2013-05-29 2013-09-25 西南交通大学 Series-connection type permanent-magnet hybrid levitation device for magnetic-levitation train
KR20170033944A (en) * 2015-09-17 2017-03-28 박덕춘 Train station systems using vacuum tunnel
CN206914325U (en) * 2017-06-23 2018-01-23 苏彬诚 A kind of bullet train runtime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1803489A (en) * 2005-12-31 2006-07-19 广州市地下铁道总公司 Suspension method of mixed magnetic suspension and magnetic suspension system
CN101837790A (en) * 2010-06-06 2010-09-22 张耀平 External thin-wall vacuum duct maglev traffic system of power system
CN103318048A (en) * 2013-05-29 2013-09-25 西南交通大学 Series-connection type permanent-magnet hybrid levitation device for magnetic-levitation train
KR20170033944A (en) * 2015-09-17 2017-03-28 박덕춘 Train station systems using vacuum tunnel
CN206914325U (en) * 2017-06-23 2018-01-23 苏彬诚 A kind of bullet train runtime

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109807908A (en) * 2019-03-01 2019-05-28 西京学院 A kind of magnetic-type walking robot for vacuum pipe maintenance and inspection
CN109807908B (en) * 2019-03-01 2021-09-28 西京学院 Magnetic suction type walking robot for vacuum pipeline inspection and maintenance
WO2020243999A1 (en) * 2019-06-06 2020-12-10 江西理工大学 Permanent magnet magnetic suspension pipe track transportation system

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