CN112009504A - Multi-stator traction high-speed magnetic suspension train system - Google Patents

Multi-stator traction high-speed magnetic suspension train system Download PDF

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Publication number
CN112009504A
CN112009504A CN202010924778.7A CN202010924778A CN112009504A CN 112009504 A CN112009504 A CN 112009504A CN 202010924778 A CN202010924778 A CN 202010924778A CN 112009504 A CN112009504 A CN 112009504A
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China
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strip
shaped
magnetic suspension
voltage
power
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CN202010924778.7A
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Chinese (zh)
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朱幕松
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/08—Sliding or levitation systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/025—Asynchronous motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A multi-stator traction high-speed maglev train system, a plurality of linear motor sets are evenly dispersed on a maglev channel route, 4 linear stators of the linear motor sets are concentrated together to pull a strip-shaped plate long rotor under the whole maglev train to uninterruptedly and continuously pull the maglev train to operate, the gap distance of a maglev air gap of about 8 mm is smaller, so that strong magnetic levitation force and guiding force are generated between a strip-shaped electromagnet and a strip-shaped iron core, a high-voltage long wire power supply system, a photovoltaic cell panel and a storage battery power supply system realize the wireless power supply operation of the high-speed maglev train system, the double braking and the organic matching of an electromagnetic braking system and a mechanical braking system of the high-speed maglev train ensure the safety of the maglev train during high-speed operation, and the mechanical positioning action of a plurality of front and, the supporting pressure difference constant device ensures that the supporting pressure and the resistance of the front pulley and the rear pulley are small.

Description

Multi-stator traction high-speed magnetic suspension train system
Technical Field
The invention relates to a high-speed magnetic suspension train system, in particular to a multi-stator traction high-speed magnetic suspension train system.
Background
At present, China's medium and low speed maglev trains have been successfully tested and are commercially applied, the Chinese maglev trains are fully covered from research and development to application, and become one of a few countries in the world in which the technology is mastered, but the medium and low speed maglev trains have no outstanding advantages compared with wheel rail type high-speed rail trains, and the medium and low speed maglev trains are not only high in cost, but also have practical value compared with the high-speed rail trains with mature technologies. However, the wheel-track type high-speed rail train is limited by wheel resistance, so that the speed of the high-speed rail train cannot be further increased, but the resistance of the magnetic levitation train is very small, and the speed is easy to increase, so that the effort to realize the high-speed magnetic levitation train is an ideal target pursued by people. The scheme of the magnetic suspension train in the prior art in the world at present consists of a magnetic suspension system, a guide system and a traction system, the prior technical scheme of the three systems is not perfect, and the defects are that: firstly, the electromagnetic control technology of the magnetic suspension system and the guide system is complex and the cost is high; and secondly, the long stator of the linear motor of the traction system is made of copper and iron materials distributed in high density, the length of the long stator is equal to that of a magnetic suspension train line, the copper and iron consumption of the long stator is large, and the manufacturing cost is very high. In addition, the magnetic suspension train adopts a contact power supply mode of a high-voltage wire, has obvious defects, and is greatly influenced by weather particularly. Therefore, the realization of economic, safe and practical high-speed maglev trains is the development direction of maglev trains in future.
Disclosure of Invention
The invention discloses an effective multi-stator traction high-speed maglev train system, aiming at overcoming the defects of medium and low speed maglev trains and realizing economic, safe and practical high-speed maglev trains.
The multi-stator traction high-speed maglev train system comprises an elevated channel, a left track frame, a right track frame, a left maglev track, a right maglev track, a high-voltage insulator, a high-voltage long wire, a converter transformer, a frequency conversion and voltage regulation wireless controller, a Hall sensor, a linear motor set, a strip-shaped plate mover, a front power bogie, a rear power bogie, a front pulley, a rear pulley, a pressure sensor, a left electromagnetic suspension positioner, a right electromagnetic suspension positioner, a maglev brake wireless controller, an air spring, a chassis, a carriage, a manual traction speed regulation rod, a manual maglev brake rod, a traction speed regulation wireless transmitter, a maglev brake wireless transmitter, a storage battery pack and a photovoltaic cell panel, and is characterized in that: the multi-stator traction high-speed magnetic suspension train system adopts a power supply mode of a non-contact power grid, realizes wireless power supply of the high-speed magnetic suspension train traction system through a traction mode of a plurality of linear motor sets outside the train, realizes wireless power supply of a magnetic suspension control system through a power supply system of a photovoltaic cell panel and a storage battery, adopts a multi-stator traction system with less copper and iron consumption to replace a long stator traction system with large copper and iron consumption, adopts left and right magnetic suspension tracks and left and right electromagnetic suspension positioners to save a complex electromagnetic control system; the multi-stator traction high-speed maglev train system is provided with an elevated channel, the elevated channel is a high-speed channel with independent right of way enjoyed by a high-speed maglev train, three-dimensional traffic which does not interfere with each other is arranged between the elevated channel and a ground road, the elevated channel is provided with a plurality of transverse water drainage grooves, bases of the transverse vertical columns are buried underground, distances among the plurality of transverse vertical columns are equally divided and arranged on a channel line, a concrete long platform is arranged at the upper ends of the plurality of transverse vertical columns, a left track frame and a right track frame are laid at the left end and the right end above the plurality of water drainage grooves, the left track frame and the right track frame are parallel to and equal in length with the concrete long platform, a plurality of linear motor sets are arranged between the left track frame and the right track frame, the linear motor sets are formed by arranging 4 same linear motors, and the linear motors are 4-pole three-phase alternating current asynchronous induction type motors, the linear motor comprises linear stators and strip-shaped plate long rotors, wherein 4 linear stators are arranged in front and back and are integrated into a stator set platform, a plurality of strip-shaped plate rotors are arranged on the stator set platform, and the stator set platform and the plurality of strip-shaped plate rotors form a linear motor set; the linear motor set is provided with a 1 st linear stator, a 2 nd linear stator, a 3 rd linear stator and a 4 th linear stator, a 1 st frequency conversion voltage regulation wireless controller, a 2 nd frequency conversion voltage regulation wireless controller and a 3 rd frequency conversion voltage regulation wireless controller are arranged in a space among the 4 th linear stators, a 4 th frequency conversion voltage regulation wireless controller is arranged at the rear end of the 4 th linear stator, the structures of the 4 frequency conversion voltage regulation wireless controllers are the same, wherein a Hall sensor control box is arranged at the right end of the 2 nd frequency conversion voltage regulation wireless controller, Hall sensors are arranged at the upper ends of the Hall sensor control boxes, a wireless signal receiving module, a frequency conversion voltage regulation control module, a power switch module and a direct current power supply module are arranged in each frequency conversion voltage regulation wireless controller, the output ends of the 4 wireless signal receiving modules are respectively connected with the speed regulation input ends of the 4 frequency conversion voltage regulation wireless controllers, the input ends of the 4 power switch modules are connected, the output ends of the 4 power switch modules are respectively connected to the switch circuits of the power ends of the 4 variable-frequency voltage-regulating wireless controllers; the linear stator is provided with a stator core, the stator core is formed by stacking a plurality of silicon steel sheet punching sheets, a plurality of teeth are arranged at the upper end of the stator core, a plurality of wire slots are formed among the teeth, a plurality of coils are wound in the wire slots, the coils are evenly distributed into 3 coil windings to form 3-phase coils, the electrical angle between the 3-phase coils is 120 degrees, the 3-phase coils are connected into a Y-shaped circuit to lead out 3-phase output lines of the linear stator, the output ends of 4 frequency conversion voltage regulation wireless controllers are respectively connected with the 3-phase output lines of 4 linear stators, a front screw hole and a rear screw hole are arranged at the lower end of the stator core, and the structures of the 4 linear stators are identical; the left track frame and the right track frame are special-shaped long track frames, the left track frame and the right track frame are symmetrical to the left end and the right end of the concrete long platform, the left track frame and the right track frame are respectively provided with a base, the inner end of the base is respectively provided with a left connecting plate and a right connecting plate, the left connecting plate and the right connecting plate are symmetrical to the left end and the right end of a stator core, the left connecting plate and the right connecting plate are respectively provided with a plurality of screw holes, the front screw holes and the rear screw holes of 4 linear stators correspond to the screw holes of the connecting plates of the left connecting plate and the right connecting plate, 4 stator cores are provided with 8 long screws, the left connecting plate and the right connecting plate are fixedly connected with 4 stator cores into a whole by the 8 long screws, the positions of the stator groups where the 4 variable frequency and voltage regulating wireless controllers are located are respectively provided with a connecting plate, the 4 variable frequency and voltage regulating wireless controllers are fixed on the connecting plates, and the 4, the upper end planes of the 4 stator cores and the upper end planes of the 4 variable-frequency voltage-regulating wireless controllers are on the same horizontal plane, and a plurality of stator group platforms and a plurality of strip-shaped plate rotors on the left track frame and the right track frame form a plurality of linear motor groups; the left end of the left track frame is provided with a left special-shaped connecting plate, the left end of the left special-shaped connecting plate is provided with a left vertical connecting plate, the left end of the left vertical connecting plate is provided with a left magnetic suspension track, the right end of the right track frame is provided with a right special-shaped connecting plate, the right end of the right special-shaped connecting plate is provided with a right vertical connecting plate, the right end of the right vertical connecting plate is provided with a right magnetic suspension track, the base of the left track frame is provided with a plurality of left fixing screws, the base of the right track frame is provided with a plurality of right fixing screws, the lower ends of the left fixing screws and the right fixing screws are prefabricated in a concrete long platform; the left magnetic suspension track comprises a left strip-shaped iron core and a left strip-shaped brake shoe, the left strip-shaped iron core is formed by stacking a plurality of silicon steel sheet punching sheets, a left strip-shaped brake shoe is arranged at the upper end of the left strip-shaped iron core and is a friction coupling part, a left long pressing strip is arranged at the left ends of the left strip-shaped iron core and the left strip-shaped brake shoe, the left long pressing strip is provided with a plurality of upper screws and lower screws, a left vertical connecting plate is provided with a plurality of upper nut holes and lower nut holes, the left strip-shaped iron core and the left strip-shaped brake shoe are respectively provided with a plurality of screw holes, the upper screws and the lower screws correspond to the plurality of upper nut holes and the lower nut holes and correspond to the plurality of screw holes of the left strip-shaped iron core and the left strip-shaped brake shoe, the plurality of upper screws and the lower screws fasten the left magnetic suspension track into an integrated long track through the left vertical connecting plate, the left and right magnetic suspension tracks are symmetrical to the left and right ends of the concrete long platform; the right end surfaces of the plurality of herringbone stand columns are provided with a plurality of high-voltage insulators, the right ends of the high-voltage insulators are connected with a high-voltage long wire, the high-voltage long wire is used for conveying a 27KV single-phase alternating current high-voltage power supply, the right ends of the plurality of herringbone stand columns are provided with a plurality of converter transformers, each converter transformer corresponds to each linear motor set, the right end of each converter transformer is provided with a high-voltage insulating binding post, the high-voltage insulating binding posts are connected with the high-voltage long wire, a live wire of the high-voltage power supply enters a live wire end inside the converter transformer through the high-voltage insulating binding posts, each converter transformer is provided with a grounding return line, the lower end of the grounding return line is buried underground, the 27KV single-phase high-voltage, the converter transformer outputs 42 KV 3 AC low-voltage power supplies with the same voltage and phase; the concrete long platform is provided with a plurality of threading holes, each threading hole is positioned at the rear end of the linear motor set, the lower end of the converter transformer is provided with 42 KV 3-phase alternating current low-voltage cables, the 42 KV 3-phase alternating current low-voltage cables are respectively connected with power supply ends of 4 variable-frequency voltage-regulating wireless controllers through the threading holes, and the phases of the 3-phase alternating currents of the power supply ends of the 4 variable-frequency voltage-regulating wireless controllers are the same; the multi-stator traction high-speed maglev train system is provided with a plurality of sections of power vehicles, wherein the multi-section power vehicles comprise a head power vehicle and a tail power vehicle, the structures of the multi-section power vehicles are the same, the multi-section power vehicles, the head power vehicle and the tail power vehicle form an integral train, the head power vehicle and the tail power vehicle have the same structure and are symmetrical to the front end and the rear end of the multi-section power vehicle, cabs are added on the basis of the power vehicles, each section of power vehicle is provided with a front power bogie and a rear power bogie, the middle parts of the front power bogie and the rear power bogie are provided with a left air spring and a right air spring, the upper ends of 4 air springs are provided with a chassis, the upper end of the chassis is provided with a carriage, the front end and the rear end of the chassis are respectively provided with a front hook and a rear hook, and the front hook and the rear, the integral structure of the front power bogie and the rear power bogie is the same, the power bogie is provided with a herringbone framework, the herringbone framework is provided with a left straight beam and a right straight beam, a front cross beam, a rear cross beam and a middle cross beam are arranged between the left straight beam and the right straight beam, the lower end of the left straight beam is provided with a left vertical plate, the lower end of the right straight beam is provided with a right vertical plate, the left straight beam, the right straight beam, the front cross beam, the rear cross beam, the middle cross beam, the left vertical plate and the right vertical plate are integrally cast into the framework of the power bogie, the lower end of the left vertical plate is provided with a left electromagnetic suspension positioner, the lower end of the right vertical plate is provided with a right electromagnetic suspension positioner, the left electromagnetic suspension positioner and the right electromagnetic suspension; the structure of the right electromagnetic levitation locator is taken as an example for explanation: the lower end of a right vertical plate is provided with a right bar-shaped support, the right bar-shaped support is in a horizontal state, a right bar-shaped iron core is welded at the upper end of the right bar-shaped support and consists of a plurality of silicon steel sheet punching sheets in a stacked mode, a plurality of teeth are arranged at the upper end of the right bar-shaped iron core, a plurality of wire grooves are formed among the teeth, a plurality of electromagnetic coils are wound in the wire grooves, the number of turns of the electromagnetic coils is equal, the winding directions of the adjacent electromagnetic coils are opposite, the adjacent coils are connected in series to form a right electromagnetic coil group, a front double-support is arranged at the front end of the right bar-shaped support, a front wheel shaft is arranged at the lower end of the front double-support, a front fixing nut; the rear end of the right strip-shaped bracket is provided with a rear double bracket, the lower end of the rear double bracket is provided with a rear wheel shaft, the right end of the rear wheel shaft is provided with a rear fixing nut, the left end of the rear wheel shaft is provided with a rear bearing, and the excircle of the rear bearing is provided with a rear pulley; when the left electromagnetic coil group is connected with a direct-current power supply, the left strip-shaped iron core is changed into a left strip-shaped electromagnet, the left strip-shaped electromagnet corresponds to the left strip-shaped iron core, the width of the left strip-shaped iron core is equal to that of the left strip-shaped iron core, the left strip-shaped electromagnet attracts the left strip-shaped iron core, the left strip-shaped electromagnet consists of a plurality of electromagnets with mutually opposite polarities, the electromagnets are a plurality of electromagnets with short magnetic flux loops, magnetic leakage is small, magnetic force is strong, the left front pulley and the left rear pulley are supported at the left lower end of the concrete long platform, and a uniform air gap A is formed between the left strip-shaped electromagnet and the left strip-shaped iron core under the support of the left front pulley and the left; when the right electromagnetic coil group is connected with a direct-current power supply, the right strip-shaped iron core is changed into a right strip-shaped electromagnet, the right strip-shaped electromagnet corresponds to the right strip-shaped iron core, the width of the right strip-shaped iron core is equal to that of the right strip-shaped iron core, the right strip-shaped electromagnet attracts the right strip-shaped iron core, the right strip-shaped electromagnet consists of a plurality of electromagnets with mutually opposite polarities, the electromagnets are a plurality of electromagnets with short magnetic flux loops, the magnetic leakage is small, the magnetic force is strong, the right front pulley and the right rear pulley are supported at the right lower end of the concrete long platform, and a uniform air gap B is formed between the right strip-shaped electromagnet and the right strip-shaped iron core under the support of the right front; the electromagnetic attraction force generated between the left and right magnetic suspension tracks and the left and right electromagnetic suspension positioners is not only the magnetic suspension force of the power bogie but also the guiding force of the power bogie, the uniform air gap distance of about 8 mm is smaller, so that strong magnetic suspension force and guiding force are generated between the strip-shaped electromagnet and the strip-shaped iron core, each power vehicle is provided with 4 electromagnetic suspension positioners, the magnetic suspension force of the 4 electromagnetic suspension positioners is larger than the maximum load of the power vehicle, each power vehicle is provided with 8 pulleys, the 8 pulleys are supported at the left and right lower ends of the concrete long platform, the supporting pressure of the 8 pulleys is equal to the difference between the gravity of the power vehicle and the magnetic suspension force of the 4 electromagnetic suspension positioners, in other words, the supporting pressure of the 8 pulleys is equal to the supporting pressure difference between the downward load pressure and the upward magnetic suspension pressure, when the train is loaded, the support pressure difference of the 8 pulleys is small, when the train is in no-load, the support pressure difference of the 8 pulleys is large, in order to avoid the defects that when the train is in no-load operation, the pulley resistance is large and the abrasion is large due to the large support pressure difference of the plurality of pulleys of the train, the 8 pulleys are all provided with a support pressure difference constant device, wheel shafts of the 8 pulleys are all provided with a central hole, each central hole is internally provided with a pressure sensor, an output line of each pressure sensor is led out from an outlet at the upper end of the central hole, the wheel shafts are stressed and deformed by the support force of the pulleys, so that the pressure sensors generate stress change electric signals in the closed central holes, when the pressure of the 8 pulleys is increased, the signal voltage output by the 8 pressure sensors is increased, when the pressure of the 8 pulleys is reduced, the signal voltage output by the 8 pressure sensors is reduced, and the output lines of the 8 pressure, the output end of the magnetic suspension brake wireless controller is connected with 4 electromagnetic coil groups, the direct current voltage output by the magnetic suspension brake wireless controller changes along with the change of the signal voltage output by 8 pressure sensors, the current change of the 4 electromagnetic coil groups is controlled, the magnetic suspension force of the 4 electromagnetic suspension positioners is in direct proportion to the pressure of 8 pulleys, the support pressure difference of the magnetic suspension force of the train and the gravity is automatically controlled to be constant, the support pressure difference of the train during loading is equal to the support pressure difference of the train during no-load and is stabilized in a certain range, the support pressure difference of a plurality of front pulleys and rear pulleys is reduced as much as possible and is always kept in a small range, and the friction resistance of the plurality of front pulleys and the rear pulleys is reduced as much as possible; the electromagnetic attraction between the bar-shaped electromagnet and the strip-shaped iron core can also generate moving resistance, the moving resistance is in direct proportion to the bar-shaped iron core and eddy currents induced in the strip-shaped iron core, and the eddy currents of the bar-shaped iron core and the strip-shaped iron core superposed by the silicon steel sheet punching sheets are small, so that the moving resistance of magnetic suspension is reduced; the strong electromagnetic attraction between the bar-shaped electromagnet and the strip-shaped iron core enables the corresponding surfaces of the bar-shaped electromagnet and the strip-shaped iron core to be automatically aligned, the left and right positions of the power vehicle are stabilized, when the power bogie turns on the magnetic suspension track, the bar-shaped electromagnet moves along the curve track of the magnetic suspension track, the front end and the rear end of the bar-shaped electromagnet generate steering torque, the corresponding surfaces of the bar-shaped electromagnet and the magnetic suspension track are automatically aligned, and the power bogie is automatically; the middle cross beam of the power bogie is provided with a shaft sleeve, a rotor shaft is arranged in the shaft sleeve, an outer snap spring is arranged at the upper end of the rotor shaft, the rotor shaft of the front power bogie is a front rotor shaft, the rotor shaft of the rear power bogie is a rear rotor shaft, a rotor plate is arranged at the lower ends of the front rotor shaft and the rear rotor shaft, the front rotor shaft is welded at the middle part of the front end of the rotor plate, the rear rotor shaft is welded at the middle part of the rear end of the rotor plate, a rotor core is welded at the lower end of the rotor plate, the rotor core is formed by stacking a plurality of silicon steel sheets, the lower end of the rotor core is provided with a plurality of transverse teeth, a plurality of wire grooves are formed among the teeth, a plurality of aluminum coils are cast in the wire grooves, the plurality of aluminum coils are fence-shaped short circuit coils, the rotor plate, the rotor core and the aluminum coils form a strip-shaped plate rotor, the length of, the lower end plane of the strip-shaped plate rotor is a standard horizontal plane, a stable uniform air gap C is formed between the lower end plane of the strip-shaped plate rotor and the upper end plane of the stator group, and the distance between the uniform air gaps C is about 4 mm; the multi-section power vehicle, the head power vehicle and the tail power vehicle are connected into an integral train, a certain interval is arranged among a plurality of strip-shaped plate movers below the integral train, the strip-shaped plate movers form dotted line-shaped strip-shaped plate movers, the dotted line-shaped strip-shaped plate movers form a strip-shaped plate long mover, the strip-shaped plate long mover and the stator set form a linear motor set, the strip-shaped plate mover below each section of power vehicle is parallel to the left and right magnetic suspension tracks, when a 3-phase alternating current low-voltage power supply is transmitted to the input end of the stator group, the stator group generates an active magnetic field of 3-phase alternating current, a passive magnetic field of 3-phase alternating current is induced on the lower end face of the strip-shaped plate long rotor corresponding to the stator group, the moving frequency of the passive magnetic field is lower than that of the active magnetic field, a uniform air gap C between the strip-shaped plate long rotor and the stator group forms a moving magnetic field, and the moving magnetic field pulls the strip-shaped plate long rotor to move forward or backward; a front raised head is arranged on an aluminum coil at the right end in front of a strip-shaped plate rotor below a locomotive power vehicle, a pit is arranged at the lower end of the front raised head, front permanent magnetic particles are installed in the pit, a rear raised head is arranged on an aluminum coil at the right end behind the strip-shaped plate rotor below a tail power vehicle, a pit is arranged at the lower end of the rear raised head, rear permanent magnetic particles are installed in the pit, the polarities of the front permanent magnetic particles and the rear permanent magnetic particles are the same and are in the vertical direction, the distance between a plurality of linear motor sets is equal to the distance between the front permanent magnetic particles and the rear permanent magnetic particles, when the front permanent magnetic particles and the rear permanent magnetic particles correspond to the two linear motor sets, the front permanent magnetic particles align to the front Hall sensor, the rear permanent; when a train runs on a turning magnetic suspension track, a certain error is generated between the alignment positions of the linear strip-shaped plate active cell and the curved magnetic suspension track, because the widths of the front and rear permanent magnetic particles are larger than the width of the Hall sensor, the width of the strip-shaped plate long active cell is larger than the widths of a plurality of stator groups, and the alignment ranges of the front and rear permanent magnetic particles and the Hall sensor and the alignment ranges of the strip-shaped plate long active cell and the stator groups are always kept within the error of the alignment range; a uniform air gap D is formed between the upper end plane of the left long-strip brake shoe and the lower end plane of the left straight beam, a uniform air gap E is formed between the upper end plane of the right long-strip brake shoe and the lower end plane of the right straight beam, the distance between the uniform air gaps D is equal to the distance between the uniform air gaps E and 3 millimeters, and the distance between the uniform air gaps D and the uniform air gaps C is smaller than the distance between the; the manual magnetic suspension brake rod can also control the current of a plurality of electromagnetic coil groups so as to control the magnetic suspension force of a plurality of electromagnetic suspension positioners, when the controlled magnetic suspension force is reduced, and the power vehicle descends to the left and right elongated brake shoes to be in contact friction with the left and right straight beams, the power vehicle generates stronger mechanical brake force, although the distance of the uniform air gap C is also reduced, the stator and the rotor do not have contact friction; the top of a carriage of each power vehicle is provided with a photovoltaic cell panel, the lower end of a chassis of each power vehicle is provided with a machine cabin, a storage battery pack, a voltage stabilizer and a magnetic suspension braking wireless controller are arranged in the machine cabin, the output end of the photovoltaic cell panel is connected with the voltage stabilizer, the output end of the voltage stabilizer is connected with the anode and the cathode of the storage battery pack, the photovoltaic cell panel charges the storage battery pack through the voltage stabilizer, the output end of the storage battery pack is connected with the power ends of the magnetic suspension braking wireless controller, the traction speed regulation wireless transmitter and the magnetic suspension braking wireless transmitter, and the power ends of 4 electromagnetic suspension positioners on the front bogie and the rear bogie are connected; the locomotive power vehicle and the tail power vehicle are both provided with a cab, an operation table is arranged in each cab, a traction speed regulation wireless transmitter is arranged in each operation table, a manual traction speed regulation rod is arranged on the right side of each operation table and has the functions of speed regulation, electromagnetic braking and backing, a vehicle speed display is arranged at the front end of each operation table, a fulcrum shaft is arranged in the middle of each manual traction speed regulation rod, two ends of each fulcrum shaft are arranged at the left end and the right end of each operation table, an upper support and a lower support are arranged at the lower end of each manual traction speed regulation rod and form an equilateral right-angle shape, an upper square permanent magnet is fixed at the lower end of each upper support, a lower square permanent magnet is fixed at the lower end of each lower support, the polarities of the upper square permanent magnet and the lower square permanent magnet are opposite, a double Hall element is arranged between the upper square permanent magnet and the lower square permanent magnet and is positioned on the arc tracks of, the double-Hall element is arranged on the base, the upper end of the manual speed regulating rod is provided with a handle, the handle is pushed forwards to the head, the upper permanent magnet is close to the double-Hall element, the double-Hall element outputs a positive high-voltage signal, the handle is pulled backwards to the bottom, the lower square permanent magnet is close to the double-Hall element, the double-Hall element outputs a negative high-voltage signal, when the double-Hall element is positioned between the upper square permanent magnet and the lower square permanent magnet, the double-Hall element outputs a zero-voltage signal, and in the process of pushing and pulling the handle forwards and backwards, the signal voltage output by the double-Hall element is a linear change process in the range; the upper end of the operating platform is provided with a semicircular frame, the upper end of the semicircular frame is provided with a semicircular notch, the manual traction speed regulating rod is provided with a central hole, the left end and the right end below the central hole are provided with long holes, a blocking shaft is arranged in the long holes, the upper end of the blocking shaft is provided with a T-shaped rod, the center of the handle is provided with a spring cavity, the upper end of the T-shaped rod is provided with a spring, the upper end of the spring is positioned in the spring cavity, when the double Hall elements are positioned in the middle of the upper square permanent magnet and the lower square permanent magnet, the blocking shaft of the manual traction speed regulating rod is bounced into the semicircular notch to be blocked, the double Hall elements output zero voltage signals, the handle is stabilized at an initial gear position, when the handle is pushed forwards, the semicircular notch is extruded by the blocking; the output end of the double Hall elements is connected with the speed regulating end of the traction speed regulating wireless transmitter, the traction speed regulating wireless transmitter is provided with a transmitting antenna, the transmitting antenna sends out radio signal characteristics to the air, the characteristics are the same as the signal characteristics output by the double Hall elements, the multiple frequency conversion voltage regulating wireless controllers are provided with receiving antennas, the speed regulating signals received by the receiving antennas pass through a wireless receiving module to the speed regulating input end of the frequency conversion voltage regulating wireless controller, in the process that the handle is pushed forwards at the initial gear position, the signal at the speed regulating input end is changed positive voltage, the 3 alternating current voltage output by the frequency conversion voltage regulating wireless controllers is positive phase 3 alternating current voltage, the frequency and the voltage of the positive phase 3 alternating current voltage are changed from low to high, the moving magnetic field of the multiple linear motor sets is controlled to push the strip-shaped plate long rotor, the traction magnetic suspension train is driven forwards from low speed to high speed, the output voltage of the frequency conversion voltage regulation wireless controller is zero, the plurality of linear motor sets are powered off, the magnetic suspension train runs forwards in a decelerating manner by means of inertia sliding, in the process that the handle is pulled backwards from an initial gear position, the signal of the speed regulation input end is changed negative voltage, the 3-phase alternating voltage output by the frequency conversion voltage regulation wireless controller is inverted 3-phase alternating voltage, the frequency and the voltage of the inverted 3-phase alternating voltage are changed from low to high, the moving magnetic fields of the plurality of linear motor sets are controlled to retreat, the long rotor of the strip plate is blocked, the magnetic suspension train generates flexible braking force, the magnetic suspension train is slowly decelerated until stopping, the larger the distance of pulling backwards the handle is, the larger the electromagnetic braking force is, and the requirement; the left side of the manual traction speed adjusting rod is provided with a manual magnetic suspension brake rod, the manual magnetic suspension brake rod and the manual speed adjusting rod have basically the same structure, the manual magnetic suspension brake rod has a mechanical braking function, an initial gear device of the manual traction speed adjusting rod is omitted, the manual magnetic suspension brake rod is provided with a brake Hall element, the left side of the speed adjusting wireless transmitter is provided with a magnetic suspension brake wireless transmitter, the signal voltage output by the brake Hall element is high and low voltage which changes linearly in the process of pushing and pulling a handle of the manual magnetic suspension brake rod back and forth, the output end of the brake Hall element is connected with the input end of the magnetic suspension brake wireless transmitter, the magnetic suspension brake wireless transmitter is provided with a transmitting antenna, the characteristics of a radio signal emitted by the transmitting antenna to the air are the same as the characteristics of the signal output by the brake Hall element, the magnetic suspension brake signal received by the receiving antenna reaches the second input end of the magnetic suspension brake wireless controller, when the signal voltage of the second input end is greater than a set value, the signal control of the first input end is automatically switched on, the support pressure difference constant device works as usual, when the signal voltage of the second input end is less than the set value, the signal control of the first input end is automatically switched off, the initial handle position of the manual magnetic suspension brake rod is at the front end, the output voltage of the plurality of electromagnetic suspension brakes is highest, the magnetic suspension force of the train is maximum, the process of pulling the handle from front to back is a process of reducing the output voltage of the plurality of electromagnetic suspension brakes, so that the left and right electromagnetic suspension positioners generate electromagnetic attraction force from large to small to control the suspension magnetic force of the front and rear power bogies, at the moment, the support pressure difference constant device is automatically switched off, and when the controlled magnetic suspension force is reduced, when the power vehicle descends to the state that the left and right long-strip-shaped brake shoes are in contact friction with the left and right straight beams, the power vehicle generates stronger mechanical braking force, and the more the handle is pulled backwards, the larger the mechanical braking force is, so that the requirement during emergency braking is met; when the train runs on the left and right magnetic levitation tracks, the front Hall sensor triggers a power switch module of the front frequency conversion and voltage regulation wireless controller to be conducted when the current permanent magnetic particles are aligned with the front Hall sensor, the front linear stator group is started to drive the front end of the strip-shaped plate long mover, meanwhile, the rear permanent magnetic particles are aligned with the rear Hall sensor, the power switch module of the rear frequency conversion and voltage regulation wireless controller is conducted, the rear linear stator group is started to drive the rear end of the strip-shaped plate long mover, after the permanent magnetic particles are separated from the Hall sensor, the power switch module automatically keeps conducting, the train continues to run forwards, the rear end of the strip-shaped plate long mover quickly leaves the rear linear stator group, the inductance of a 3-phase coil of the rear linear stator group is reduced, the current is increased, an overcurrent protection circuit in the rear frequency conversion and voltage regulation wireless controller triggers the power switch module to be cut off, the front linear motor group corresponds to the strip-shaped plate long rotor from head to tail, the high-speed magnetic suspension train is continuously pulled until the high-speed magnetic suspension train is powered off after leaving the rear end of the strip-shaped plate long rotor, and the plurality of linear stator groups on the channel route continuously pull the strip-shaped plate long rotor of the high-speed magnetic suspension train in an uninterrupted seamless relaying manner according to the automatic starting and powering off mode.
The multi-stator traction high-speed maglev train system has the beneficial effects that: the multi-stator traction high-speed maglev train system replaces a power supply mode that a pantograph is in sliding contact with an overhead wire, and the high-voltage long-wire power supply system, the photovoltaic cell panel and the storage battery power supply system ensure high-speed, safe and stable wireless power supply operation of the multi-stator traction high-speed maglev train system; the linear motor is a high-speed motor, 4 linear stators of the linear motor set are centralized together to draw the whole magnetic suspension train, the magnetic suspension train mainly runs at high speed, the high-speed running period is long, the high-speed working efficiency of the linear motor set is high, the starting period of the magnetic suspension train is short, the low-speed working efficiency of the linear motor set is low, and in order to meet the traction force required by the magnetic suspension train during starting, the power of each linear stator is more than 2000 kilowatts; because the working time of each linear stator is short, in order to save motor materials, the size of each linear stator is allowed to be small, the dissipation power is large, a plurality of linear motor sets are averagely dispersed on a channel line, compared with a traction system with a long stator, a large amount of copper and iron materials are saved, the area of a photovoltaic cell panel is large enough, and electric energy generated by matching with a storage battery pack can provide power for air conditioners, illumination and communication equipment in a carriage besides meeting a control power supply; the magnetic suspension train can run back and forth forward and backward without dividing the train head and the train tail, and the plurality of linear stator groups can normally continuously drive the strip-shaped plate long rotor to run in a seamless relaying way without interruption no matter the magnetic suspension train runs forward or backward; because the flatness of the concrete long platform is high, the power bogie has small running vibration on a magnetic suspension track, a primary suspension damping system is omitted, so that stable uniform air gaps are kept between the lower plane of the strip-shaped plate long rotor and the upper planes of the linear stators, and the magnetic suspension power bogie is equivalent to the primary suspension damping system; the power bogie is provided with a secondary suspension damping system, the secondary suspension damping system is positioned between the power bogie and a chassis and consists of a left air spring and a right air spring, the air springs not only have good damping effect in the vertical direction and enable people to ride comfortably, but also have the characteristic of elastic connection in the horizontal direction, when the power bogie turns on a curved track, a certain displacement is generated between the power bogie and the chassis, the air springs play a role of flexible connection, a strip plate mover is connected between the front power bogie and the rear power bogie, when the power bogie turns on the curved track, a certain displacement is generated between the front power bogie and the rear power bogie, the air springs also play a role of flexible connection, and double braking, namely double braking, double braking and double braking of an electromagnetic braking system and a mechanical braking system of a multi-stator traction high-speed magnetic suspension train, The high-speed magnetic suspension system has the advantages that the mechanical cooperation is realized, the safety of a magnetic suspension train during high-speed operation is ensured, the stability and the reliability of the magnetic suspension height of the train are improved under the mechanical positioning action of the front and rear pulleys, the power supply of a storage battery of the magnetic suspension system is not afraid of the power failure of a high-voltage line, the magnetic suspension system is safe and reliable, no matter how the load of the train changes, the front and rear pulleys always keep constant supporting pressure, the supporting pressure is small, the generated resistance is small, the high-speed operation of the magnetic suspension train is not influenced, the magnetic suspension power supply stops when the high-speed magnetic suspension train stops, and.
Drawings
Fig. 1 is a schematic diagram of a right-view structure of a locomotive power vehicle.
Fig. 2 is a right view structural diagram of the vehicle with the tail power.
Fig. 3 is a rear view structure schematic diagram of a multi-stator traction high-speed maglev train system.
Fig. 4 is a schematic diagram of a single power vehicle in a right view.
Fig. 5 is a schematic diagram of the structure of the multi-stator traction high-speed maglev train system in the right view.
Fig. 6 is a schematic diagram of a right-view structure of the manual traction speed-adjusting lever.
Detailed Description
The following description is made with reference to the accompanying drawings.
The multi-stator traction high-speed magnetic suspension train system adopts a power supply mode of a non-contact power grid, realizes wireless power supply of the high-speed magnetic suspension train traction system through a traction mode of a plurality of linear motor sets outside the train, realizes wireless power supply of the magnetic suspension control system through a power supply system of a photovoltaic cell panel and a storage battery, adopts a multi-stator traction system with less copper and iron consumption to replace a long stator traction system with large copper and iron consumption, and adopts a supporting differential pressure constant device to save a complex electromagnetic control system; the multi-stator traction high-speed maglev train system is provided with an elevated channel, the elevated channel is a high-speed channel with independent right of way shared by the high-speed maglev train, three-dimensional traffic which does not interfere with each other is arranged between the elevated channel and a ground road, the elevated channel is provided with a plurality of zigzag stand columns 1, a base 2 of the zigzag stand columns is buried underground, the distance between the plurality of zigzag stand columns is equally divided, the zigzag stand columns are orderly arranged on a channel line, a concrete long platform 3 is arranged at the upper end of the plurality of zigzag stand columns, a plurality of transverse drainage grooves 4 are arranged on the concrete long platform, a left track frame and a right track frame are laid at the left end and the right end of the plurality of drainage grooves, the left track frame and the right track frame are parallel and isometric with the concrete long platform, a plurality of linear motor sets are arranged between the left track frame and the right track frame, the linear motor sets are formed by arranging 4 same linear motors, and the linear motors are 4-pole three-phase, the linear motor comprises linear stators and strip-shaped plate long rotors, wherein 4 linear stators are arranged in front and back and are concentrated into a stator set platform 5, a plurality of strip-shaped plate rotors 6 are arranged on the stator set platform, and the stator set platform and the plurality of strip-shaped plate rotors form a linear motor set; the linear motor set is provided with a 1 st linear stator 7, a 2 nd linear stator 8, a 3 rd linear stator 9 and a 4 th linear stator 10, a 1 st frequency conversion voltage regulation wireless controller 11, a 2 nd frequency conversion voltage regulation wireless controller 12 and a 3 rd frequency conversion voltage regulation wireless controller 13 are arranged in the space between the 4 th linear stators, a 4 th frequency conversion voltage regulation wireless controller 14 is arranged at the rear end of the 4 th linear stator, the structures of the 4 frequency conversion voltage regulation wireless controllers are the same, wherein a Hall sensor control box 15 is arranged at the right end of the 2 nd frequency conversion voltage regulation wireless controller, a Hall sensor 16 is arranged at the upper end of the Hall sensor control box, a wireless signal receiving module, a frequency conversion voltage regulation control module, a power switch module and a direct current power supply module are arranged in each frequency conversion voltage regulation wireless controller, the output ends of the 4 wireless signal receiving modules are respectively connected with the speed regulation input ends of the 4 frequency conversion, the input ends of the 4 power switch modules are connected in parallel and then connected with the output end of the Hall sensor, and the output ends of the 4 power switch modules are respectively connected with the switch circuits of the power ends of the 4 frequency-conversion voltage-regulation wireless controllers; the linear stator is provided with a stator core 17, the stator core is formed by stacking a plurality of silicon steel sheet punching sheets, a plurality of teeth are arranged at the upper end of the stator core, a plurality of wire slots are formed among the teeth, a plurality of coils are wound in the wire slots, the coils are evenly distributed into 3 coil windings to form a 3-phase coil 18, the electrical angle among the 3-phase coils is 120 degrees, the 3-phase coils are connected into a Y-shaped circuit, a 3-phase output line 19 of the linear stator is led out, the output ends of 4 frequency conversion voltage regulation wireless controllers are respectively connected with the 3-phase output lines of 4 linear stators, a front screw hole and a rear screw hole are arranged at the lower end of the stator core, and the structures of the 4 linear stators are the same; the left track frame and the right track frame are special-shaped long track frames, the left track frame and the right track frame are symmetrical to the left end and the right end of the concrete long platform, the left track frame and the right track frame are both provided with a base 20, the inner end of the base is provided with a left connecting plate 21 and a right connecting plate 22, the left connecting plate and the right connecting plate are symmetrical to the left end and the right end of a stator core, the left connecting plate and the right connecting plate are both provided with a plurality of screw holes, the front screw holes and the rear screw holes of 4 linear stators correspond to the screw holes of the connecting plates of the left connecting plate and the right connecting plate, the 4 stator cores are provided with 8 long screws 23, the 8 long screws fasten the left connecting plate and the right connecting plate with 4 stator cores into a whole stator group, the positions of the 4 frequency conversion and voltage regulation wireless controllers are both provided with connecting plates, the 4 frequency conversion and voltage regulation wireless controllers are all fixed on the connecting plates, the 4 frequency conversion and voltage regulation wireless controllers are fastened with, the upper end planes of the 4 stator cores and the upper end planes of the 4 variable-frequency voltage-regulating wireless controllers are on the same horizontal plane, and a plurality of stator group platforms and a plurality of strip-shaped plate rotors on the left track frame and the right track frame form a plurality of linear motor groups; the left end of the left track frame is provided with a left special-shaped connecting plate 25, the left end of the left special-shaped connecting plate is provided with a left vertical connecting plate 26, the left end of the left vertical connecting plate is provided with a left magnetic suspension track, the right end of the right track frame is provided with a right special-shaped connecting plate 27, the right end of the right special-shaped connecting plate is provided with a right vertical connecting plate 28, the right end of the right vertical connecting plate is provided with a right magnetic suspension track, the base of the left track frame is provided with a plurality of left fixing screws 29, the base of the right track frame is provided with a plurality of right fixing screws 30, the lower ends of the left and right fixing screws are prefabricated in the concrete long platform, and the upper; the left magnetic suspension track comprises a left strip-shaped iron core 32 and a left strip-shaped brake shoe 33, the left strip-shaped iron core is formed by overlapping a plurality of silicon steel sheet stamped sheets, a left strip-shaped brake shoe is arranged at the upper end of the left strip-shaped iron core and is a friction coupling part, a left long pressing strip 34 is arranged at the left ends of the left strip-shaped iron core and the left strip-shaped brake shoe, a plurality of upper screws 35 and lower screws 36 are arranged on the left long pressing strip, a plurality of upper nut holes and lower nut holes are arranged on a left vertical connecting plate, a plurality of screw holes are arranged on the left strip-shaped iron core and the left strip-shaped brake shoe, the upper screws and the lower screws correspond to the upper nut holes and the lower nut holes and correspond to the screw holes of the left strip-shaped iron core and the left strip-shaped brake shoe, the upper screws and the lower screws fasten the left magnetic suspension track into an integrated long, the structure of the right magnetic suspension track is the same as that of the left magnetic suspension track, and the left and right magnetic suspension tracks are symmetrical to the left and right ends of the concrete long platform; the right end surfaces of the plurality of zigzag stand columns are provided with a plurality of high-voltage insulators 37, the right ends of the high-voltage insulators are connected with a high-voltage long wire 38, the high-voltage long wire transmits a 27KV single-phase alternating current high-voltage power supply, the right ends of the plurality of zigzag stand columns are provided with a plurality of variable transformers 39, each variable transformer corresponds to each linear motor set, the right end of each variable transformer is provided with a high-voltage insulating binding post 40, the high-voltage insulating binding posts are connected with the high-voltage long wire, a live wire of the high-voltage power supply enters a live wire end inside the variable transformer through the high-voltage insulating binding posts, each variable transformer is provided with a grounding return line 41, the lower end of the grounding return line is buried underground, the 27KV single-phase alternating current high-voltage power, the converter transformer outputs 42 KV 3 AC low-voltage power supplies with the same voltage and phase; the concrete long platform is provided with a plurality of threading holes 42, each threading hole is positioned at the rear end of the linear motor set, the lower end of the converter transformer is provided with 42 KV 3-phase alternating current low-voltage cables 43, the 42 KV 3-phase alternating current low-voltage cables are respectively connected with the power supply ends of the 4 variable-frequency voltage-regulating wireless controllers through the threading holes, and the phases of the 3-phase alternating currents of the power supply ends of the 4 variable-frequency voltage-regulating wireless controllers are the same; the multi-stator traction high-speed maglev train system is provided with a plurality of sections of power vehicles 44, each section of power vehicle comprises a head power vehicle 45 and a tail power vehicle 46, the structures of the plurality of sections of power vehicles are the same, the plurality of sections of power vehicles, the head power vehicle and the tail power vehicle form an integral train, the head power vehicle and the tail power vehicle have the same structures and are symmetrical to the front end and the rear end of the plurality of sections of power vehicles, a cab 47 is added on the basis of the power vehicles, each section of power vehicle is provided with a front power bogie 48 and a rear power bogie 49, the middle parts of the front power bogie and the rear power bogie are provided with a left air spring 50 and a right air spring 51, the upper ends of 4 air springs are provided with a chassis 52, the upper end of the chassis is provided with a carriage 53, the front end and the rear end of the chassis are respectively provided with a front hook 54 and a rear hook 55, the front hook and the, the integral structure of the front power bogie and the rear power bogie is the same, the power bogie is provided with a B-shaped framework, the B-shaped framework is provided with a left straight beam 56 and a right straight beam 57, a front cross beam 58, a rear cross beam 59 and a middle cross beam 60 are arranged between the left straight beam and the right straight beam, the lower end of the left straight beam is provided with a left vertical plate 61, the lower end of the right straight beam is provided with a right vertical plate 62, the left straight beam, the right straight beam, the front cross beam, the rear cross beam, the middle cross beam, the left vertical plate and the right vertical plate are integrally cast into the framework of the power bogie, the lower end of the left vertical plate is provided with a left electromagnetic suspension positioner, the lower end of the right vertical plate is provided with a right electromagnetic suspension positioner, the left electromagnetic suspension positioner and; the structure of the right electromagnetic levitation locator is taken as an example for explanation: the lower end of a right vertical plate is provided with a right bar-shaped support 63, the right bar-shaped support is in a horizontal state, the upper end of the right bar-shaped support is welded with a right bar-shaped iron core 64, the right bar-shaped iron core is formed by overlapping a plurality of silicon steel sheet punching sheets, the upper end of the right bar-shaped iron core is provided with a plurality of teeth, a plurality of wire grooves are formed among the teeth, a plurality of electromagnetic coils are wound in the wire grooves, the number of turns of the electromagnetic coils is equal, the winding directions of the adjacent electromagnetic coils are opposite, the adjacent coils are connected in series to form a right electromagnetic coil group 65, the front end of the right bar-shaped support is provided with a front double support 66, the lower end of the front double support is provided with a front wheel shaft 67, the right end of; the rear end of the right strip-shaped bracket is provided with a rear double bracket 71, the lower end of the rear double bracket is provided with a rear wheel shaft 72, the right end of the rear wheel shaft is provided with a rear fixing nut 73, the left end of the rear wheel shaft is provided with a rear bearing 74, and the excircle of the rear bearing is provided with a rear pulley 75; when the left electromagnetic coil group is connected with a direct-current power supply, the left strip-shaped iron core is changed into a left strip-shaped electromagnet, the left strip-shaped electromagnet corresponds to the left strip-shaped iron core, the width of the left strip-shaped iron core is equal to that of the left strip-shaped iron core, the left strip-shaped electromagnet attracts the left strip-shaped iron core, the left strip-shaped electromagnet consists of a plurality of electromagnets with mutually opposite polarities, the electromagnets are a plurality of electromagnets with short magnetic flux loops, magnetic leakage is small, magnetic force is strong, the left front pulley and the left rear pulley are supported at the left lower end of the concrete long platform, and a uniform air gap A is formed between the left strip-shaped electromagnet and the left strip-shaped iron core under the support of the left front pulley and the left; when the right electromagnetic coil group is connected with a direct-current power supply, the right strip-shaped iron core is changed into a right strip-shaped electromagnet, the right strip-shaped electromagnet corresponds to the right strip-shaped iron core, the width of the right strip-shaped iron core is equal to that of the right strip-shaped iron core, the right strip-shaped electromagnet attracts the right strip-shaped iron core, the right strip-shaped electromagnet consists of a plurality of electromagnets with mutually opposite polarities, the electromagnets are a plurality of electromagnets with short magnetic flux loops, the magnetic leakage is small, the magnetic force is strong, the right front pulley and the right rear pulley are supported at the right lower end of the concrete long platform, and a uniform air gap B is formed between the right strip-shaped electromagnet and the right strip-shaped iron core under the support of the right front; the electromagnetic attraction force generated between the left and right magnetic suspension tracks and the left and right electromagnetic suspension positioners is not only the magnetic suspension force of the power bogie but also the guiding force of the power bogie, the uniform air gap distance of about 8 mm is smaller, so that strong magnetic suspension force and guiding force are generated between the strip-shaped electromagnet and the strip-shaped iron core, each power vehicle is provided with 4 electromagnetic suspension positioners, the magnetic suspension force of the 4 electromagnetic suspension positioners is larger than the maximum load of the power vehicle, each power vehicle is provided with 8 pulleys, the 8 pulleys are supported at the left and right lower ends of the concrete long platform, the supporting pressure of the 8 pulleys is equal to the difference between the gravity of the power vehicle and the magnetic suspension force of the 4 electromagnetic suspension positioners, in other words, the supporting pressure of the 8 pulleys is equal to the supporting pressure difference between the downward load pressure and the upward magnetic suspension pressure, when the train is loaded, the support pressure difference of 8 pulleys is small, when the train is in no-load, the support pressure difference of 8 pulleys is large, in order to avoid the defects that when the train is in no-load operation, the pulley resistance is large and the abrasion is large due to the fact that the support pressure difference of a plurality of pulleys of the train is too large, the 8 pulleys are all provided with a support pressure difference constant device, wheel shafts of the 8 pulleys are all provided with a central hole 76, each central hole is internally provided with a pressure sensor 77, an output line 78 of each pressure sensor is led out from an outlet 79 at the upper end of the central hole, the support force of the pulleys enables the wheel shafts to be stressed and deformed, so that the pressure sensors generate stress change electric signals in the closed central holes, when the pressure of the 8 pulleys is increased, the signal voltage output by the 8 pressure sensors is increased, when the pressure of the 8 pulleys is reduced, the signal voltage output by the, the magnetic suspension brake wireless controller is connected to a first input end of a magnetic suspension brake wireless controller, an output end of the magnetic suspension brake wireless controller is connected with 4 electromagnetic coil groups, direct-current voltage output by the magnetic suspension brake wireless controller changes along with signal voltage change output by 8 pressure sensors, current change of the 4 electromagnetic coil groups is controlled, magnetic suspension force of the 4 electromagnetic suspension positioners is in direct proportion to support pressure of 8 pulleys, support pressure difference between magnetic suspension force of a train and gravity is automatically controlled to be constant, support pressure difference when the train is loaded is equal to support pressure difference when the train is unloaded and is stabilized in a certain range, the support pressure difference between a plurality of front pulleys and rear pulleys is reduced as much as possible and is always kept in a small range, and friction resistance of the plurality of front pulleys and the rear pulleys is reduced as much as possible; the electromagnetic attraction between the bar-shaped electromagnet and the strip-shaped iron core can also generate moving resistance, the moving resistance is in direct proportion to the bar-shaped iron core and eddy currents induced in the strip-shaped iron core, and the eddy currents of the bar-shaped iron core and the strip-shaped iron core superposed by the silicon steel sheet punching sheets are small, so that the moving resistance of magnetic suspension is reduced; the strong electromagnetic attraction between the bar-shaped electromagnet and the strip-shaped iron core enables the corresponding surfaces of the bar-shaped electromagnet and the strip-shaped iron core to be automatically aligned, the left and right positions of the power vehicle are stabilized, when the power bogie turns on the magnetic suspension track, the bar-shaped electromagnet moves along the curve track of the magnetic suspension track, the corresponding surfaces of the bar-shaped electromagnet and the magnetic suspension track are automatically aligned, the front end and the rear end of the bar-shaped electromagnet generate steering torque, and the power bogie is automatically; the middle cross beam of the power bogie is provided with a shaft sleeve, a rotor shaft is arranged in the shaft sleeve, an outer snap spring 80 is arranged at the upper end of the rotor shaft, the rotor shaft of the front power bogie is a front rotor shaft 81, the rotor shaft of the rear power bogie is a rear rotor shaft 82, a rotor plate 83 is arranged at the lower end of the front rotor shaft and the lower end of the rear rotor shaft, the front rotor shaft is welded at the middle part of the front end of the rotor plate, the rear rotor shaft is welded at the middle part of the rear end of the rotor plate, a rotor core 84 is welded at the lower end of the rotor plate, the rotor core is formed by stacking a plurality of silicon steel sheets, a plurality of transverse teeth are arranged at the lower end of the rotor core, a plurality of wire grooves are formed among the teeth, a plurality of aluminum coils 85 are cast in the wire grooves, the plurality of aluminum coils are fence-shaped short-circuit coils, the rotor plate, the rotor core and the aluminum coils form a strip-shaped plate rotor, the lower end plane of the strip-shaped plate rotor is a standard horizontal plane, a stable uniform air gap C is formed between the lower end plane of the strip-shaped plate rotor and the upper end plane of the stator group, and the distance between the uniform air gaps C is about 4 mm; the multi-section power vehicle, the head power vehicle and the tail power vehicle are connected into an integral train, a certain interval is arranged among a plurality of strip-shaped plate movers below the integral train, the strip-shaped plate movers form dotted line-shaped plate movers, the dotted line-shaped plate movers form a strip-shaped plate long mover 86, the strip-shaped plate long mover and the stator set form a linear motor set, the strip-shaped plate mover below each section of power vehicle is parallel to the left and right magnetic suspension tracks, when a 3-phase alternating current low-voltage power supply is transmitted to the input end of the stator group, the stator group generates an active magnetic field of 3-phase alternating current, a passive magnetic field of 3-phase alternating current is induced on the lower end face of the strip-shaped plate long rotor corresponding to the stator group, the moving frequency of the passive magnetic field is lower than that of the active magnetic field, a uniform air gap C between the strip-shaped plate long rotor and the stator group forms a moving magnetic field, and the moving magnetic field pulls the strip-shaped plate long rotor to move forward or backward; a front raised head 87 is arranged on an aluminum coil at the right end in front of a strip-shaped plate rotor below a locomotive power vehicle, a pit is arranged at the lower end of the front raised head, front permanent magnet particles 88 are installed in the pit, a rear raised head 89 is arranged on an aluminum coil at the right end behind the strip-shaped plate rotor below a tail power vehicle, a pit is arranged at the lower end of the rear raised head, rear permanent magnet particles 90 are installed in the pit, the polarities of the front permanent magnet particles and the polarities of the rear permanent magnet particles are the same and are in the vertical direction, the distance between a plurality of linear motor sets is equal to the distance between the front permanent magnet particles and the rear permanent magnet particles, when the front permanent magnet particles and the rear permanent magnet particles are paired with two linear motor sets, the front permanent magnet particles are aligned with a front Hall sensor; when a train runs on a turning magnetic suspension track, a certain error is generated between the alignment positions of the linear strip-shaped plate active cell and the curved magnetic suspension track, because the widths of the front and rear permanent magnetic particles are larger than the width of the Hall sensor, the width of the strip-shaped plate long active cell is larger than the widths of a plurality of stator groups, and the alignment ranges of the front and rear permanent magnetic particles and the Hall sensor and the alignment ranges of the strip-shaped plate long active cell and the stator groups are always kept within the error of the alignment range; a uniform air gap D is formed between the upper end plane of the left long-strip brake shoe and the lower end plane of the left straight beam, a uniform air gap E is formed between the upper end plane of the right long-strip brake shoe and the lower end plane of the right straight beam, the distance between the uniform air gaps D is equal to the distance between the uniform air gaps E and 3 millimeters, and the distance between the uniform air gaps D and the uniform air gaps C is smaller than the distance between the; the manual magnetic suspension brake rod can also control the current of a plurality of electromagnetic coil groups so as to control the magnetic suspension force of a plurality of electromagnetic suspension positioners, when the controlled magnetic suspension force is reduced, and the power vehicle descends to the left and right elongated brake shoes to be in contact friction with the left and right straight beams, the power vehicle generates stronger mechanical brake force, although the distance of the uniform air gap C is also reduced, the stator and the rotor do not have contact friction; the top of a carriage of each power vehicle is provided with a photovoltaic cell panel 91, the lower end of a chassis of each power vehicle is provided with a machine cabin 92, a storage battery pack 93, a voltage stabilizer 94 and a magnetic suspension braking wireless controller 95 are arranged in the machine cabin, the output end of the photovoltaic cell panel is connected with the voltage stabilizer, the output end of the voltage stabilizer is connected with the anode and the cathode of the storage battery pack, the photovoltaic cell panel charges the storage battery pack through the voltage stabilizer, the output end of the storage battery pack is connected with power ends of the magnetic suspension braking wireless controller, the traction speed regulation wireless transmitter and the magnetic suspension braking wireless transmitter, and the power ends of 4 electromagnetic suspension positioners on the front bogie and the rear bogie are connected in; the locomotive power vehicle and the tail power vehicle are both provided with a cab, an operation table 96 is arranged in the cab, a traction speed regulation wireless transmitter 97 is arranged in the operation table, a manual traction speed regulation rod 98 is arranged on the right side of the operation table, the manual traction speed regulation rod has the functions of speed regulation, electromagnetic braking and reversing, a vehicle speed display 99 is arranged at the front end of the operation table, a fulcrum shaft 100 is arranged in the middle of the manual traction speed regulation rod, two ends of the fulcrum shaft are arranged at the left end and the right end of the operation table, an upper bracket 101 and a lower bracket 102 are arranged at the lower end of the manual traction speed regulation rod, the upper bracket and the lower bracket form an equilateral right-angle shape, an upper square permanent magnet 103 is fixed at the lower end of the upper bracket, a lower square permanent magnet 104 is fixed at the lower end of the lower bracket, the polarities of the upper square permanent magnet and the lower square permanent magnet are opposite, a double Hall element 105 is arranged between the upper square permanent magnet, the double-Hall element is arranged on the base 106, the upper end of the manual speed regulating rod is provided with a handle 107, the handle is pushed forwards to the head, the upper permanent magnet is close to the double-Hall element, the double-Hall element outputs a positive high-voltage signal, the handle is pulled backwards and retreats to the bottom, the lower square permanent magnet is close to the double-Hall element, the double-Hall element outputs a negative high-voltage signal, when the double-Hall element is positioned between the upper square permanent magnet and the lower square permanent magnet, the double-Hall element outputs a zero-voltage signal, and in the process of pushing and pulling the handle forwards and backwards, the signal voltage output by the double-Hall element is a linear change; the manual traction speed adjusting rod is provided with an initial gear device, the upper end of an operating platform is provided with a semicircular frame 108, the upper end of the semicircular frame is provided with a semicircular notch, the manual traction speed adjusting rod is provided with a central hole, the left end and the right end below the central hole are provided with long holes 109, a baffle shaft 110 is arranged in the long holes, the upper end of the baffle shaft is provided with a T-shaped rod 111, the center of a handle is provided with a spring cavity, the upper end of the T-shaped rod is provided with a spring 112, the upper end of the spring is positioned in the spring cavity, when a double Hall element is positioned between an upper square permanent magnet and a lower square permanent magnet, the baffle shaft of the manual traction speed adjusting rod is bounced into the semicircular notch to be blocked, the double Hall element outputs a zero voltage signal, the handle is stabilized at an initial gear position, when the handle is forwards pushed, the range is a forward gear; the output end of the double Hall elements is connected with the speed regulating end of the traction speed regulating wireless transmitter, the traction speed regulating wireless transmitter is provided with a transmitting antenna, the transmitting antenna sends out radio signal characteristics to the air, the characteristics are the same as the signal characteristics output by the double Hall elements, the multiple frequency conversion voltage regulating wireless controllers are provided with receiving antennas, the speed regulating signals received by the receiving antennas pass through a wireless receiving module to the speed regulating input end of the frequency conversion voltage regulating wireless controller, in the process that the handle is pushed forwards at the initial gear position, the signal at the speed regulating input end is changed positive voltage, the 3 alternating current voltage output by the frequency conversion voltage regulating wireless controllers is positive phase 3 alternating current voltage, the frequency and the voltage of the positive phase 3 alternating current voltage are changed from low to high, the moving magnetic field of the multiple linear motor sets is controlled to push the strip-shaped plate long rotor, the traction magnetic suspension train is driven forwards from low speed to high speed, the output voltage of the frequency conversion voltage regulation wireless controller is zero, the plurality of linear motor sets are powered off, the magnetic suspension train runs forwards in a decelerating manner by means of inertia sliding, in the process that the handle is pulled backwards from an initial gear position, the signal of the speed regulation input end is changed negative voltage, the 3-phase alternating voltage output by the frequency conversion voltage regulation wireless controller is inverted 3-phase alternating voltage, the frequency and the voltage of the inverted 3-phase alternating voltage are changed from low to high, the moving magnetic fields of the plurality of linear motor sets are controlled to retreat, the long rotor of the strip-shaped plate is blocked, the magnetic suspension train generates flexible braking force, the magnetic suspension train is slowly decelerated until stopping, the larger the distance of pulling backwards the handle is, the larger the electromagnetic braking force is, and the function of manually pulling the speed regulation; the left side of the manual traction speed adjusting rod is provided with a manual magnetic suspension brake rod 113, the manual magnetic suspension brake rod and the manual speed adjusting rod have basically the same structure, the manual magnetic suspension brake rod has a mechanical brake function, the manual magnetic suspension brake rod omits an initial gear device of the manual traction speed adjusting rod, the manual magnetic suspension brake rod is provided with a brake Hall element 114, the left side of the speed adjusting wireless transmitter is provided with a magnetic suspension brake wireless transmitter 115, the signal voltage output by the brake Hall element is high and low voltage which changes linearly in the process of pushing and pulling a handle of the manual magnetic suspension brake rod back and forth, the output end of the brake Hall element is connected with the input end of the magnetic suspension brake wireless transmitter, the magnetic suspension brake wireless transmitter is provided with a transmitting antenna, the characteristics of a radio signal transmitted by the transmitting antenna to the air are the same as the characteristics of the signal output, the magnetic suspension brake signal received by the receiving antenna reaches the second input end of the magnetic suspension brake wireless controller, when the signal voltage of the second input end is greater than a set value, the signal control of the first input end is automatically switched on, the supporting pressure difference constant device works as usual, the initial position of the handle of the manual magnetic suspension brake rod is at the front end, the output voltage of the plurality of electromagnetic suspension brakes is the highest, the magnetic suspension force of the train is the largest, the process that the handle is pulled from front to back is the process that the output voltage of the plurality of electromagnetic suspension brakes is reduced from large to small, so that the left and right electromagnetic suspension positioners generate electromagnetic attraction from large to small to control the magnetic suspension force of the front and rear power bogies, at the moment, the signal voltage of the second input end is less than the set value, the signal control of the first input end is automatically switched off, the supporting pressure difference constant device is automatically switched off, and, when the power vehicle descends to the state that the left and right long-strip-shaped brake shoes are in contact friction with the left and right straight beams, the power vehicle generates stronger mechanical braking force, the more the handle is pulled backwards, the larger the mechanical braking force is, and the function of the manual magnetic suspension brake lever meets the requirement during emergency braking; when the train runs on the left and right magnetic levitation tracks, the front Hall sensor triggers a power switch module of the front frequency conversion and voltage regulation wireless controller to be conducted when the current permanent magnetic particles are aligned with the front Hall sensor, the front linear stator group is started to drive the front end of the strip-shaped plate long mover, meanwhile, the rear permanent magnetic particles are aligned with the rear Hall sensor, the power switch module of the rear frequency conversion and voltage regulation wireless controller is conducted, the rear linear stator group is started to drive the rear end of the strip-shaped plate long mover, after the permanent magnetic particles are separated from the Hall sensor, the power switch module automatically keeps conducting, the train continues to run forwards, the rear end of the strip-shaped plate long mover quickly leaves the rear linear stator group, the inductance of a 3-phase coil of the rear linear stator group is reduced, the current is increased, an overcurrent protection circuit in the rear frequency conversion and voltage regulation wireless controller triggers the power switch module to be cut off, the front linear motor group corresponds to the strip-shaped plate long rotor from head to tail, the high-speed magnetic suspension train is continuously pulled until the high-speed magnetic suspension train is powered off after leaving the rear end of the strip-shaped plate long rotor, and the plurality of linear stator groups on the channel route continuously pull the strip-shaped plate long rotor of the high-speed magnetic suspension train in an uninterrupted seamless relaying manner according to the automatic starting and powering off mode.
The multi-stator traction high-speed maglev train system replaces a power supply mode that a pantograph is in sliding contact with an overhead wire, and the high-voltage long-wire power supply system, the photovoltaic cell panel and the storage battery power supply system ensure high-speed, safe and stable wireless power supply operation of the multi-stator traction high-speed maglev train system; the linear motor is a high-speed motor, 4 linear stators of the linear motor set are centralized together to draw the whole magnetic suspension train, the magnetic suspension train mainly runs at high speed, the high-speed running period is long, the high-speed working efficiency of the linear motor set is high, the starting period of the magnetic suspension train is short, the low-speed working efficiency of the linear motor set is low, and in order to meet the traction force required by the magnetic suspension train during starting, the power of each linear stator is more than 2000 kilowatts; because the working time of each linear stator is short, in order to save motor materials, the size of each linear stator is allowed to be small, the dissipation power is large, a plurality of linear motor sets are averagely dispersed on a channel line, compared with a traction system with a long stator, a large amount of copper and iron materials are saved, the area of a photovoltaic cell panel is large enough, and electric energy generated by matching with a storage battery pack can provide power for air conditioners, illumination and communication equipment in a carriage besides meeting a control power supply; the magnetic suspension train can run back and forth forward and backward without dividing the train head and the train tail, and the plurality of linear stator groups can normally continuously drive the strip-shaped plate long rotor to run in a seamless relaying way without interruption no matter the magnetic suspension train runs forward or backward; because the flatness of the concrete long platform is high, the power bogie has small running vibration on a magnetic suspension track, a primary suspension damping system is omitted, so that stable uniform air gaps are kept between the lower plane of the strip-shaped plate long rotor and the upper planes of the linear stators, and the magnetic suspension power bogie is equivalent to the primary suspension damping system; the power bogie is provided with a secondary suspension damping system, the secondary suspension damping system is positioned between the power bogie and a chassis and consists of a left air spring and a right air spring, the air springs not only have good damping effect in the vertical direction and enable people to ride comfortably, but also have the characteristic of elastic connection in the horizontal direction, when the power bogie turns on a curved track, a certain displacement is generated between the power bogie and the chassis, the air springs play a role of flexible connection, a strip plate mover is connected between the front power bogie and the rear power bogie, when the power bogie turns on the curved track, a certain displacement is generated between the front power bogie and the rear power bogie, the air springs also play a role of flexible connection, and double braking, namely double braking, double braking and double braking of an electromagnetic braking system and a mechanical braking system of a multi-stator traction high-speed magnetic suspension train, The high-speed magnetic suspension system has the advantages that the mechanical cooperation is realized, the safety of a magnetic suspension train during high-speed operation is ensured, the stability and the reliability of the magnetic suspension height of the train are improved under the mechanical positioning action of the front and rear pulleys, the power supply of a storage battery of the magnetic suspension system is not afraid of the power failure of a high-voltage line, the magnetic suspension system is safe and reliable, no matter how the load of the train changes, the front and rear pulleys always keep constant supporting pressure, the supporting pressure is small, the generated resistance is small, the high-speed operation of the magnetic suspension train is not influenced, the magnetic suspension power supply stops when the high-speed magnetic suspension train stops, and.

Claims (2)

1. The utility model provides a many stators pull high-speed maglev train system, including overhead passageway, left track frame, right track frame, left maglev track, right maglev track, high voltage insulator, high-pressure long electric wire, current transformer, frequency conversion pressure regulating wireless controller, hall sensor, linear electric motor group, bar shaped plate active cell, preceding power bogie, back power bogie, preceding pulley, back pulley, pressure sensor, left electromagnetism suspension locator, right electromagnetism suspension locator, magnetic suspension braking wireless controller, air spring, chassis, carriage, manual traction speed governing pole, manual maglev brake pole, pull speed governing wireless transmitter, magnetic suspension braking wireless transmitter, storage battery and photovoltaic cell board, its characterized in that: the multi-stator traction high-speed magnetic suspension train system adopts a power supply mode of a non-contact power grid, realizes wireless power supply of the high-speed magnetic suspension train traction system through a traction mode of a plurality of linear motor sets outside the train, realizes wireless power supply of the magnetic suspension control system through a power supply system of a photovoltaic cell panel and a storage battery, adopts a multi-stator traction system with less copper and iron consumption to replace a long stator traction system with large copper and iron consumption, and adopts a supporting differential pressure constant device to save a complex electromagnetic control system; the multi-stator traction high-speed maglev train system is provided with an elevated channel, the elevated channel is a high-speed channel with independent right of way enjoyed by a high-speed maglev train, three-dimensional traffic which does not interfere with each other is arranged between the elevated channel and a ground road, the elevated channel is provided with a plurality of seam-shaped stand columns (1), a base (2) of the seam-shaped stand columns is buried underground, the distance between the plurality of seam-shaped stand columns is equally divided, the three-dimensional traffic is orderly arranged on a channel line, the upper ends of the plurality of seam-shaped stand columns are provided with concrete long platforms (3), a plurality of transverse drainage grooves (4) are arranged on the concrete long platforms, a left track frame and a right track frame are laid on the left end and the right end of the plurality of drainage grooves, the left track frame and the right track frame are parallel to the concrete long platform and are equal in length, a plurality of linear motor sets are arranged between the left track frame and the, the linear motor is a 4-pole three-phase alternating current asynchronous induction type motor and comprises linear stators and strip-shaped plate long rotors, wherein the 4 linear stators are arranged in front and back and are concentrated into a stator set platform (5), a plurality of strip-shaped plate rotors (6) are arranged on the stator set platform, and the stator set platform and the strip-shaped plate rotors form a linear motor set; the linear motor set is provided with a 1 st linear stator (7), a 2 nd linear stator (8), a 3 rd linear stator (9) and a 4 th linear stator (10), a 1 st frequency conversion voltage regulation wireless controller (11), a 2 nd frequency conversion voltage regulation wireless controller (12) and a 3 rd frequency conversion voltage regulation wireless controller (13) are arranged in a space among the 4 th linear stators, a 4 th frequency conversion voltage regulation wireless controller (14) is arranged at the rear end of the 4 th linear stator, the structures of the 4 frequency conversion voltage regulation wireless controllers are the same, wherein a Hall sensor control box (15) is arranged at the right end of the 2 nd frequency conversion voltage regulation wireless controller, a Hall sensor (16) is arranged at the upper end of the Hall sensor control box, a wireless signal receiving module, a frequency conversion voltage regulation control module, a power switch module and a direct current power supply module are arranged in each frequency conversion voltage regulation wireless controller, the output ends of the 4 wireless signal receiving modules are respectively connected with the speed regulation input ends of, the input ends of the 4 power switch modules are connected in parallel and then connected with the output end of the Hall sensor, and the output ends of the 4 power switch modules are respectively connected with the switch circuits of the power ends of the 4 frequency-conversion voltage-regulation wireless controllers; the linear stator is provided with a stator core (17), the stator core is formed by stacking a plurality of silicon steel sheet punching sheets, a plurality of teeth are arranged at the upper end of the stator core, a plurality of wire grooves are formed among the teeth, a plurality of coils are wound in the wire grooves, the coils are evenly distributed into 3 coil windings to form a 3-phase coil (18), the electric angle among the 3-phase coils is 120 degrees, the 3-phase coils are connected into a Y-shaped circuit, a 3-phase output line (19) of the linear stator is led out, the output ends of 4 frequency conversion voltage regulation wireless controllers are respectively connected with 3-phase output lines of 4 linear stators, a front screw hole and a rear screw hole are arranged at the lower end of the stator core, and the structures of the 4 linear stators are identical; the left track frame and the right track frame are special-shaped long track frames, the left track frame and the right track frame are symmetrical to the left end and the right end of the concrete long platform, the left track frame and the right track frame are respectively provided with a base (20), the inner end of the base is respectively provided with a left connecting plate (21) and a right connecting plate (22), the left connecting plate and the right connecting plate are symmetrical to the left end and the right end of a stator core, the left connecting plate and the right connecting plate are respectively provided with a plurality of screw holes, the front screw holes and the rear screw holes of 4 linear stators correspond to the screw holes of the connecting plates of the left connecting plate and the right connecting plate, the 4 stator cores are respectively provided with 8 long screws (23), the 8 long screws are used for tightly fixing the left connecting plate and the right connecting plate with the 4 stator cores into a whole, the connecting plates (24) are respectively arranged at the positions of the 4 frequency conversion voltage regulation wireless controllers, the 4 frequency conversion voltage regulation wireless controllers are respectively fixed on the connecting plates, the 4 frequency conversion voltage regulation, the upper end planes of the 4 stator cores and the upper end planes of the 4 variable-frequency voltage-regulating wireless controllers are on the same horizontal plane, and a plurality of stator group platforms and a plurality of strip-shaped plate rotors on the left track frame and the right track frame form a plurality of linear motor groups; the left end of the left track frame is provided with a left special-shaped connecting plate (25), the left end of the left special-shaped connecting plate is provided with a left vertical connecting plate (26), the left end of the left vertical connecting plate is provided with a left magnetic suspension track, the right end of the right track frame is provided with a right special-shaped connecting plate (27), the right end of the right special-shaped connecting plate is provided with a right vertical connecting plate (28), the right end of the right vertical connecting plate is provided with a right magnetic suspension track, the base of the left track frame is provided with a plurality of left fixing screws (29), the base of the right track frame is provided with a plurality of right fixing screws (30), the lower ends of the left and right fixing screws are prefabricated in the concrete long platform, and the upper ends; the left magnetic suspension track comprises a left long-strip-shaped iron core (32) and a left long-strip-shaped brake shoe (33), the left long-strip-shaped iron core is formed by overlapping a plurality of silicon steel sheet punching sheets, the upper end of the left long-strip-shaped iron core is provided with the left long-strip-shaped brake shoe, the left long-strip-shaped brake shoe is a friction coupling part, the left ends of the left long-strip-shaped iron core and the left long-strip-shaped brake shoe are provided with a left long pressing strip (34), the left long pressing strip is provided with a plurality of upper screws (35) and lower screws (36), a left vertical connecting plate is provided with a plurality of upper nut holes and lower nut holes, the left long-strip-shaped iron core and the left long-strip-shaped brake shoe are respectively provided with a plurality of screw holes, the plurality of upper screws and the lower screws correspond to the plurality of screw holes of the left long-strip-shaped iron core and the, the structure of the right magnetic suspension track is the same as that of the left magnetic suspension track, and the left and right magnetic suspension tracks are symmetrical to the left and right ends of the concrete long platform; the transformer is characterized in that a plurality of high-voltage insulators (37) are arranged on the right end faces of the plurality of zigzag stand columns, the right ends of the high-voltage insulators are connected with a long high-voltage wire (38), the long high-voltage wire is used for conveying 27KV single-phase alternating-current high-voltage power supply, a plurality of variable transformers (39) are arranged on the right ends of the plurality of zigzag stand columns, each variable transformer corresponds to each linear motor set, a high-voltage insulating binding post (40) is arranged on the right end of each variable transformer and is connected with the long high-voltage wire, a live wire of the high-voltage power supply enters a live wire end inside each variable transformer through the high-voltage insulating binding post, each variable transformer is provided with a grounding return line (41), the lower end of each grounding return line is buried underground, the 27KV single-phase alternating-current high-voltage power supply is, 2KV 3 AC low-voltage power supply with the same phase; the concrete long platform is provided with a plurality of threading holes (42), each threading hole is positioned at the rear end of the linear motor set, the lower end of the converter transformer is provided with 42 KV 3-phase alternating current low-voltage cables (43), the 42 KV 3-phase alternating current low-voltage cables are respectively connected with the power supply ends of the 4 variable-frequency voltage-regulating wireless controllers through the threading holes, and the phases of the 3-phase alternating currents of the power supply ends of the 4 variable-frequency voltage-regulating wireless controllers are the same; the multi-stator traction high-speed maglev train system is provided with a plurality of sections of power vehicles (44) which comprise a head power vehicle (45) and a tail power vehicle (46), the structures of the plurality of sections of power vehicles are the same, the plurality of sections of power vehicles, the head power vehicle and the tail power vehicle form an integral train, the head power vehicle and the tail power vehicle have the same structure and are symmetrical to the front end and the rear end of the plurality of sections of power vehicles, a cab (47) is additionally arranged on the power vehicles, each section of power vehicle is provided with a front power bogie (48) and a rear power bogie (49), the middle parts of the front power bogie and the rear power bogie are provided with a left air spring (50) and a right air spring (51), the upper ends of 4 air springs are provided with a chassis (52), the upper end of the chassis is provided with a carriage (53), the front end and the rear end of the chassis are respectively provided with a, the front hook and the rear hook connect a plurality of sections of power vehicles, a headstock power vehicle and a tailstock power vehicle into an integral train, the integral structures of the front power bogie and the rear power bogie are the same, the power bogie is provided with a B-shaped framework, the B-shaped framework is provided with a left straight beam (56) and a right straight beam (57), a front cross beam (58), a rear cross beam (59) and a middle cross beam (60) are arranged between the left straight beam and the right straight beam, the lower end of the left straight beam is provided with a left vertical plate (61), the lower end of the right straight beam is provided with a right vertical plate (62), the left straight beam, the right straight beam, the front cross beam, the rear cross beam, the middle cross beam, the left vertical plate and the right vertical plate are integrally cast into the framework of the power bogie, the lower end of the left vertical plate is provided with a left electromagnetic suspension positioner, the lower end of the right vertical plate is provided with a right electromagnetic suspension positioner, and the left electromagnetic suspension positioner and the; the structure of the right electromagnetic levitation locator is taken as an example for explanation: the lower end of the right vertical plate is provided with a right bar-shaped support (63), the right bar-shaped support is in a horizontal state, the upper end of the right bar-shaped support is welded with a right bar-shaped iron core (64), the right bar-shaped iron core is formed by stacking a plurality of silicon steel sheet stamped sheets, the upper end of the right bar-shaped iron core is provided with a plurality of teeth, a plurality of wire grooves are formed among the teeth, a plurality of electromagnetic coils are wound in the wire grooves, the number of turns of the electromagnetic coils is equal, the winding directions of the adjacent electromagnetic coils are opposite to each other, and the adjacent coils are connected in; the front end of the right strip-shaped bracket is provided with a front double bracket (66), the lower end of the front double bracket is provided with a front wheel shaft (67), the right end of the front wheel shaft is provided with a front fixing nut (68), the left end of the front wheel shaft is provided with a front bearing (69), and the excircle of the front bearing is provided with a front pulley (70); the rear end of the right strip-shaped bracket is provided with a rear double bracket (71), the lower end of the rear double bracket is provided with a rear wheel shaft (72), the right end of the rear wheel shaft is provided with a rear fixing nut (73), the left end of the rear wheel shaft is provided with a rear bearing (74), and the excircle of the rear bearing is provided with a rear pulley (75); when the left electromagnetic coil group is connected with a direct-current power supply, the left strip-shaped iron core is changed into a left strip-shaped electromagnet, the left strip-shaped electromagnet corresponds to the left strip-shaped iron core, the width of the left strip-shaped iron core is equal to that of the left strip-shaped iron core, the left strip-shaped electromagnet attracts the left strip-shaped iron core, the left strip-shaped electromagnet consists of a plurality of electromagnets with mutually opposite polarities, the electromagnets are a plurality of electromagnets with short magnetic flux loops, magnetic leakage is small, magnetic force is strong, the left front pulley and the left rear pulley are supported at the left lower end of the concrete long platform, and a uniform air gap A is formed between the left strip-shaped electromagnet and the left strip-shaped iron core under the support of the left front pulley and the left; when the right electromagnetic coil group is connected with a direct-current power supply, the right strip-shaped iron core is changed into a right strip-shaped electromagnet, the right strip-shaped electromagnet corresponds to the right strip-shaped iron core, the width of the right strip-shaped iron core is equal to that of the right strip-shaped iron core, the right strip-shaped electromagnet attracts the right strip-shaped iron core, the right strip-shaped electromagnet consists of a plurality of electromagnets with mutually opposite polarities, the electromagnets are a plurality of electromagnets with short magnetic flux loops, the magnetic leakage is small, the magnetic force is strong, the right front pulley and the right rear pulley are supported at the right lower end of the concrete long platform, and a uniform air gap B is formed between the right strip-shaped electromagnet and the right strip-shaped iron core under the support of the right front; the electromagnetic attraction force generated between the left and right magnetic suspension tracks and the left and right electromagnetic suspension positioners is not only the magnetic suspension force of the power bogie but also the guiding force of the power bogie, the uniform air gap distance of about 8 mm is smaller, so that strong magnetic suspension force and guiding force are generated between the strip-shaped electromagnet and the strip-shaped iron core, each power vehicle is provided with 4 electromagnetic suspension positioners, the magnetic suspension force of the 4 electromagnetic suspension positioners is larger than the maximum load of the power vehicle, each power vehicle is provided with 8 pulleys, the 8 pulleys are supported at the left and right lower ends of the concrete long platform, the supporting pressure of the 8 pulleys is equal to the difference between the gravity of the power vehicle and the magnetic suspension force of the 4 electromagnetic suspension positioners, in other words, the supporting pressure of the 8 pulleys is equal to the supporting pressure difference between the downward load pressure and the upward magnetic suspension pressure, when the train is loaded, the support pressure difference of 8 pulleys is small, when the train is in no-load, the support pressure difference of 8 pulleys is large, in order to avoid the defects that when the train is in no-load operation, the resistance of the pulleys is large and the abrasion is large due to the fact that the support pressure difference of a plurality of pulleys of the train is too large, 8 pulleys are provided with a support pressure difference constant device, wheel shafts of 8 pulleys are provided with center holes (76), each center hole is internally provided with a pressure sensor (77), an output line (78) of each pressure sensor is led out from an outlet (79) at the upper end of the center hole, the support force of the pulleys enables the wheel shafts to be stressed and deformed, so that the pressure sensors generate stress change electric signals in the tightly closed center holes, when the pressure of 8 pulleys is increased, the signal voltage output by the 8 pressure sensors is increased, when the pressure of 8 pulleys is reduced, the signal voltage output by the 8 pressure sensors is, the magnetic suspension brake wireless controller is connected to a first input end of a magnetic suspension brake wireless controller, an output end of the magnetic suspension brake wireless controller is connected with 4 electromagnetic coil groups, direct-current voltage output by the magnetic suspension brake wireless controller changes along with signal voltage change output by 8 pressure sensors, current change of the 4 electromagnetic coil groups is controlled, magnetic suspension force of the 4 electromagnetic suspension positioners is in direct proportion to support pressure of 8 pulleys, support pressure difference between magnetic suspension force of a train and gravity is automatically controlled to be constant, support pressure difference when the train is loaded is equal to support pressure difference when the train is unloaded and is stabilized in a certain range, the support pressure difference between a plurality of front pulleys and rear pulleys is reduced as much as possible and is always kept in a small range, and friction resistance of the plurality of front pulleys and the rear pulleys is reduced as much as possible; the electromagnetic attraction between the bar-shaped electromagnet and the strip-shaped iron core can also generate moving resistance, the moving resistance is in direct proportion to the bar-shaped iron core and eddy currents induced in the strip-shaped iron core, and the eddy currents of the bar-shaped iron core and the strip-shaped iron core superposed by the silicon steel sheet punching sheets are small, so that the moving resistance of magnetic suspension is reduced; the strong electromagnetic attraction between the bar-shaped electromagnet and the strip-shaped iron core enables the corresponding surfaces of the bar-shaped electromagnet and the strip-shaped iron core to be automatically aligned, the left and right positions of the power vehicle are stabilized, when the power bogie turns on the magnetic suspension track, the bar-shaped electromagnet moves along the curve track of the magnetic suspension track, the corresponding surfaces of the bar-shaped electromagnet and the magnetic suspension track are automatically aligned, the front end and the rear end of the bar-shaped electromagnet generate steering torque, and the power bogie is automatically; the middle cross beam of the power bogie is provided with a shaft sleeve, a rotor shaft is arranged in the shaft sleeve, the upper end of the rotor shaft is provided with an outer snap spring (80), the rotor shaft of the front power bogie is a front rotor shaft (81), the rotor shaft of the rear power bogie is a rear rotor shaft (82), the lower ends of the front rotor shaft and the rear rotor shaft are provided with a rotor plate (83), the middle part of the front end of the rotor plate is welded with the front rotor shaft, the middle part of the rear end of the rotor plate is welded with the rear rotor shaft, the lower end of the rotor plate is welded with a rotor core (84), the rotor core is formed by overlapping a plurality of silicon steel sheet punching sheets, the lower end of the rotor core is provided with a plurality of transverse teeth, a plurality of wire grooves are formed among the teeth, a plurality of aluminum coils (85) are cast in the wire grooves, the plurality of aluminum coils are fence-shaped short circuit coils, the rotor plate, the rotor core and, the width of the strip-shaped plate rotor is greater than that of the stator core, the lower end plane of the strip-shaped plate rotor is a standard horizontal plane, a stable uniform air gap C is formed between the lower end plane of the strip-shaped plate rotor and the upper end plane of the stator group, and the distance between the uniform air gaps C is about 4 mm; the multi-section power vehicle, the head power vehicle and the tail power vehicle are connected into an integral train, a certain interval is arranged among a plurality of strip-shaped plate movers below the integral train, the strip-shaped plate movers form dotted line-shaped strip-shaped plate movers, the dotted line-shaped strip-shaped plate movers form a strip-shaped plate long mover (86), the strip-shaped plate long mover and the stator set form a linear motor set, the strip-shaped plate mover below each section of power vehicle is parallel to the left and right magnetic suspension tracks, when a 3-phase alternating current low-voltage power supply is transmitted to the input end of the stator group, the stator group generates an active magnetic field of 3-phase alternating current, a passive magnetic field of 3-phase alternating current is induced on the lower end face of the strip-shaped plate long rotor corresponding to the stator group, the moving frequency of the passive magnetic field is lower than that of the active magnetic field, a uniform air gap C between the strip-shaped plate long rotor and the stator group forms a moving magnetic field, and the moving magnetic field pulls the strip-shaped plate long rotor to move forward or backward; a front raised head (87) is arranged on an aluminum coil at the right end in front of a strip-shaped plate rotor below a locomotive power vehicle, a pit is arranged at the lower end of the front raised head, front permanent magnetic particles (88) are installed in the pit, a rear raised head (89) is arranged on an aluminum coil at the right end behind the strip-shaped plate rotor below the locomotive power vehicle, a pit is arranged at the lower end of the rear raised head, rear permanent magnetic particles (90) are installed in the pit, the polarities of the front permanent magnetic particles and the polarities of the rear permanent magnetic particles are the same and are in the vertical direction, the distance between a plurality of linear motor sets is equal to the distance between the front permanent magnetic particles and the rear permanent magnetic particles, when the front permanent magnetic particles and the rear permanent magnetic particles correspond to the two linear motor sets, the front permanent magnetic particles are aligned to; when a train runs on a turning magnetic suspension track, a certain error is generated between the alignment positions of the linear strip-shaped plate active cell and the curved magnetic suspension track, because the widths of the front and rear permanent magnetic particles are larger than the width of the Hall sensor, the width of the strip-shaped plate long active cell is larger than the widths of a plurality of stator groups, and the alignment ranges of the front and rear permanent magnetic particles and the Hall sensor and the alignment ranges of the strip-shaped plate long active cell and the stator groups are always kept within the error of the alignment range; a uniform air gap D is formed between the upper end plane of the left long-strip brake shoe and the lower end plane of the left straight beam, a uniform air gap E is formed between the upper end plane of the right long-strip brake shoe and the lower end plane of the right straight beam, the distance between the uniform air gaps D is equal to the distance between the uniform air gaps E and 3 millimeters, and the distance between the uniform air gaps D and the uniform air gaps C is smaller than the distance between the; the manual magnetic suspension brake rod can also control the current of a plurality of electromagnetic coil groups so as to control the magnetic suspension force of a plurality of electromagnetic suspension positioners, when the controlled magnetic suspension force is reduced, and the power vehicle descends to the left and right elongated brake shoes to be in contact friction with the left and right straight beams, the power vehicle generates stronger mechanical brake force, although the distance of the uniform air gap C is also reduced, the stator and the rotor do not have contact friction; the photovoltaic cell panel (91) is arranged on the top of a carriage of each power vehicle, a machine bin (92) is arranged at the middle lower end of a chassis of each power vehicle, a storage battery pack (93), a voltage stabilizer (94) and a magnetic suspension braking wireless controller (95) are arranged in the machine bin, the output end of the photovoltaic cell panel is connected with the voltage stabilizer, the output end of the voltage stabilizer is connected with the anode and the cathode of the storage battery pack, the photovoltaic cell panel charges the storage battery pack through the voltage stabilizer, the output end of the storage battery pack is connected with power ends of the magnetic suspension braking wireless controller, the traction speed regulation wireless transmitter and the magnetic suspension braking wireless transmitter, and the power ends of 4 electromagnetic suspension positioners on the front bogie and the rear; the locomotive power vehicle and the tail power vehicle are both provided with a cab, an operation table (96) is arranged in the cab, a traction speed regulation wireless transmitter (97) is arranged in the operation table, a manual traction speed regulation rod (98) is arranged on the right side of the operation table, the manual traction speed regulation rod has the functions of speed regulation, electromagnetic braking and reversing, a vehicle speed display (99) is arranged at the front end of the operation table, a fulcrum shaft (100) is arranged in the middle of the manual traction speed regulation rod, two ends of the fulcrum shaft are arranged at the left end and the right end of the operation table, an upper bracket (101) and a lower bracket (102) are arranged at the lower end of the manual traction speed regulation rod, the upper bracket and the lower bracket form an equilateral right angle, an upper square permanent magnet (103) is fixed at the lower end of the upper bracket, a lower square permanent magnet (104) is fixed at the lower end of the lower bracket, the polarities of the upper square, the double-Hall element is positioned on the arc track of the upper square permanent magnet and the lower square permanent magnet which take the fulcrum shaft as the center of a circle, the double-Hall element is arranged on a base (106), the upper end of the manual speed regulating rod is provided with a handle (107), the handle is pushed forwards to the head, the upper square permanent magnet is close to the double-Hall element, the double-Hall element outputs a positive high-voltage signal, the handle is pulled backwards and backwards to the bottom, the lower square permanent magnet is close to the double-Hall element, the double-Hall element outputs a negative high-voltage signal, when the double-Hall element is positioned between the upper square permanent magnet and the lower square permanent magnet, the double-Hall element outputs a zero-voltage signal, and in the process of pushing and pulling the handle forwards and backwards, the signal; the manual traction speed regulating rod is provided with an initial gear device, a semicircular frame (108) is arranged at the upper end of the operating platform, a semicircular notch is arranged at the upper end of the semicircular frame, the manual traction speed regulating rod is provided with a central hole, a long hole (109) is arranged at the left end and the right end below the central hole, a baffle shaft (110) is arranged in the long hole, a T-shaped rod (111) is arranged at the upper end of the baffle shaft, a spring cavity is arranged at the center of the handle, a spring (112) is arranged at the upper end of the T-shaped rod, the upper end of the spring is positioned in the spring cavity, when the double Hall elements are positioned in the middle of the upper square permanent magnet and the lower square permanent magnet, the baffle shaft of the manual traction speed regulating rod is bounced into the semicircular notch to be blocked, the double Hall elements output a zero voltage signal, the handle is stabilized at the initial gear position, the baffle shaft extrud; the output end of the double Hall elements is connected with the speed regulating end of the traction speed regulating wireless transmitter, the traction speed regulating wireless transmitter is provided with a transmitting antenna, the transmitting antenna sends out radio signal characteristics to the air, the characteristics are the same as the signal characteristics output by the double Hall elements, the multiple frequency conversion voltage regulating wireless controllers are provided with receiving antennas, the speed regulating signals received by the receiving antennas pass through a wireless receiving module to the speed regulating input end of the frequency conversion voltage regulating wireless controller, in the process that the handle is pushed forwards at the initial gear position, the signal at the speed regulating input end is changed positive voltage, the 3 alternating current voltage output by the frequency conversion voltage regulating wireless controllers is positive phase 3 alternating current voltage, the frequency and the voltage of the positive phase 3 alternating current voltage are changed from low to high, the moving magnetic field of the multiple linear motor sets is controlled to push the strip-shaped plate long rotor, the traction magnetic suspension train is driven forwards from low speed to high speed, the output voltage of the frequency conversion voltage regulation wireless controller is zero, the plurality of linear motor sets are powered off, the magnetic suspension train runs forwards in a decelerating manner by means of inertia sliding, in the process that the handle is pulled backwards from an initial gear position, the signal of the speed regulation input end is changed negative voltage, the 3-phase alternating voltage output by the frequency conversion voltage regulation wireless controller is inverted 3-phase alternating voltage, the frequency and the voltage of the inverted 3-phase alternating voltage are changed from low to high, the moving magnetic fields of the plurality of linear motor sets are controlled to retreat, the long rotor of the strip-shaped plate is blocked, the magnetic suspension train generates flexible braking force, the magnetic suspension train is slowly decelerated until stopping, the larger the distance of pulling backwards the handle is, the larger the electromagnetic braking force is, and the function of manually pulling the speed regulation; the left side of the manual traction speed adjusting rod is provided with a manual magnetic suspension brake rod (113), the structures of the manual magnetic suspension brake rod and the manual speed adjusting rod are basically the same, the manual magnetic suspension brake rod has the function of mechanical braking, the manual magnetic suspension brake rod omits an initial gear device of the manual traction speed adjusting rod, the manual magnetic suspension brake rod is provided with a brake Hall element (114), the left side of the speed adjusting wireless transmitter is provided with a magnetic suspension brake wireless transmitter (115), the signal voltage output by the brake Hall element is high and low voltage which changes linearly in the process that a handle of the manual magnetic suspension brake rod is pushed and pulled back and forth, the output end of the brake Hall element is connected with the input end of the magnetic suspension brake wireless transmitter, the magnetic suspension brake wireless transmitter is provided with a transmitting antenna, the characteristics of a radio signal transmitted by the transmitting antenna to the air are the same as the characteristics, the magnetic suspension brake signal received by the receiving antenna reaches the second input end of the magnetic suspension brake wireless controller, when the signal voltage of the second input end is greater than a set value, the signal control of the first input end is automatically switched on, the supporting pressure difference constant device works as usual, the initial position of the handle of the manual magnetic suspension brake rod is at the front end, the output voltage of the plurality of electromagnetic suspension brakes is the highest, the magnetic suspension force of the train is the largest, the process that the handle is pulled from front to back is the process that the output voltage of the plurality of electromagnetic suspension brakes is reduced from large to small, so that the left and right electromagnetic suspension positioners generate electromagnetic attraction from large to small to control the magnetic suspension force of the front and rear power bogies, at the moment, the signal voltage of the second input end is less than the set value, the signal control of the first input end is automatically switched off, the supporting pressure difference constant device is automatically switched off, and, when the power vehicle descends to the state that the left and right long-strip-shaped brake shoes are in contact friction with the left and right straight beams, the power vehicle generates stronger mechanical braking force, the more the handle is pulled backwards, the larger the mechanical braking force is, and the function of the manual magnetic suspension brake lever meets the requirement during emergency braking; when the train runs on the left and right magnetic levitation tracks, the front Hall sensor triggers a power switch module of the front frequency conversion and voltage regulation wireless controller to be conducted when the current permanent magnetic particles are aligned with the front Hall sensor, the front linear stator group is started to drive the front end of the strip-shaped plate long mover, meanwhile, the rear permanent magnetic particles are aligned with the rear Hall sensor, the power switch module of the rear frequency conversion and voltage regulation wireless controller is conducted, the rear linear stator group is started to drive the rear end of the strip-shaped plate long mover, after the permanent magnetic particles are separated from the Hall sensor, the power switch module automatically keeps conducting, the train continues to run forwards, the rear end of the strip-shaped plate long mover quickly leaves the rear linear stator group, the inductance of a 3-phase coil of the rear linear stator group is reduced, the current is increased, an overcurrent protection circuit in the rear frequency conversion and voltage regulation wireless controller triggers the power switch module to be cut off, the front linear motor group corresponds to the strip-shaped plate long rotor from head to tail, the high-speed magnetic suspension train is continuously pulled until the high-speed magnetic suspension train is powered off after leaving the rear end of the strip-shaped plate long rotor, and the plurality of linear stator groups on the channel route continuously pull the strip-shaped plate long rotor of the high-speed magnetic suspension train in an uninterrupted seamless relaying manner according to the automatic starting and powering off mode.
2. The multi-stator traction high speed magnetic levitation train system as recited in claim 1, wherein: the multi-stator traction high-speed maglev train system replaces a power supply mode that a pantograph is in sliding contact with an overhead wire, and the high-voltage long-wire power supply system, the photovoltaic cell panel and the storage battery power supply system ensure high-speed, safe and stable wireless power supply operation of the multi-stator traction high-speed maglev train system; the linear motor is a high-speed motor, 4 linear stators of the linear motor set are centralized together to draw the whole magnetic suspension train, the magnetic suspension train mainly runs at high speed, the high-speed running period is long, the high-speed working efficiency of the linear motor set is high, the starting period of the magnetic suspension train is short, the low-speed working efficiency of the linear motor set is low, and in order to meet the traction force required by the magnetic suspension train during starting, the power of each linear stator is more than 2000 kilowatts; because the working time of each linear stator is short, in order to save motor materials, the size of each linear stator is allowed to be small, the dissipation power is large, a plurality of linear motor sets are uniformly dispersed on a magnetic suspension channel line, compared with a traction system with a long stator, a large amount of copper and iron materials are saved, the area of a photovoltaic cell panel is large enough, and electric energy generated by matching with a storage battery pack can provide power for air conditioners, lighting and communication equipment in a carriage besides meeting the requirement of a control power supply; the magnetic suspension train can run back and forth forward and backward without dividing the train head and the train tail, and the plurality of linear stator groups can normally continuously drive the strip-shaped plate long rotor to run in a seamless relaying way without interruption no matter the magnetic suspension train runs forward or backward; because the flatness of the concrete long platform is high, the power bogie has small running vibration on a magnetic suspension track, a primary suspension damping system is omitted, so that stable uniform air gaps are kept between the lower plane of the strip-shaped plate long rotor and the upper planes of the linear stators, and the magnetic suspension power bogie is equivalent to the primary suspension damping system; the power bogie is provided with a secondary suspension damping system, the secondary suspension damping system is positioned between the power bogie and a chassis and consists of a left air spring and a right air spring, the air springs not only have good damping effect in the vertical direction and enable people to ride comfortably, but also have the characteristic of elastic connection in the horizontal direction, when the power bogie turns on a curved track, a certain displacement is generated between the power bogie and the chassis, the air springs play a role of flexible connection, a strip plate mover is connected between the front power bogie and the rear power bogie, when the power bogie turns on the curved track, a certain displacement is generated between the front power bogie and the rear power bogie, the air springs also play a role of flexible connection, and double braking, namely double braking, double braking and double braking of an electromagnetic braking system and a mechanical braking system of a multi-stator traction high-speed magnetic suspension train, The high-speed magnetic suspension system has the advantages that the mechanical cooperation is realized, the safety of a magnetic suspension train during high-speed operation is ensured, the stability and the reliability of the magnetic suspension height of the train are improved under the mechanical positioning action of the front and rear pulleys, the power supply of a storage battery of the magnetic suspension system is not afraid of the power failure of a high-voltage line, the magnetic suspension system is safe and reliable, no matter how the load of the train changes, the front and rear pulleys always keep constant supporting pressure, the supporting pressure is small, the generated resistance is small, the high-speed operation of the magnetic suspension train is not influenced, the magnetic suspension power supply stops when the high-speed magnetic suspension train stops, and.
CN202010924778.7A 2020-09-05 2020-09-05 Multi-stator traction high-speed magnetic suspension train system Withdrawn CN112009504A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112537326A (en) * 2020-12-09 2021-03-23 湖南铁路科技职业技术学院 Monitoring screen display for train operation control
CN114063326A (en) * 2021-09-08 2022-02-18 湖北顺通光电科技有限公司 LCD and LCM automatic optical detection device
CN117096584A (en) * 2023-10-20 2023-11-21 北京全路通信信号研究设计院集团有限公司 Vehicle-mounted antenna for magnetic parking system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112537326A (en) * 2020-12-09 2021-03-23 湖南铁路科技职业技术学院 Monitoring screen display for train operation control
CN112537326B (en) * 2020-12-09 2022-03-15 湖南铁路科技职业技术学院 Monitoring screen display for train operation control
CN114063326A (en) * 2021-09-08 2022-02-18 湖北顺通光电科技有限公司 LCD and LCM automatic optical detection device
CN114063326B (en) * 2021-09-08 2024-04-02 湖北顺通光电科技有限公司 LCD and LCM automatic optical detection device
CN117096584A (en) * 2023-10-20 2023-11-21 北京全路通信信号研究设计院集团有限公司 Vehicle-mounted antenna for magnetic parking system
CN117096584B (en) * 2023-10-20 2024-01-19 北京全路通信信号研究设计院集团有限公司 Vehicle-mounted antenna for magnetic parking system

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Application publication date: 20201201