CN112124084A - Suspension, guide and drive integrated electromagnet device for magnetic-levitation train - Google Patents

Suspension, guide and drive integrated electromagnet device for magnetic-levitation train Download PDF

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Publication number
CN112124084A
CN112124084A CN202011015201.0A CN202011015201A CN112124084A CN 112124084 A CN112124084 A CN 112124084A CN 202011015201 A CN202011015201 A CN 202011015201A CN 112124084 A CN112124084 A CN 112124084A
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China
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levitation
electromagnet
driving
guidance
suspension
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CN202011015201.0A
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CN112124084B (en
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孙彦
林国斌
韩鹏
赵元哲
任林杰
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Tongji University
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Tongji University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/04—Magnetic suspension or levitation for vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • 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
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)

Abstract

The invention relates to a suspension, guide and drive integrated electromagnet device for a maglev train, which comprises the following components in part by weight: vehicle-mounted structure: the device comprises a vehicle-mounted U-shaped structure, a suspension-driving electromagnet arranged at the center line of the vehicle-mounted U-shaped structure and suspension-guiding electromagnets arranged on two side walls of the vehicle-mounted U-shaped structure; the track structure is as follows: the stator comprises an inverted U-shaped track structure, and a stator core and a stator winding which are arranged on the central line of the inverted U-shaped track structure. Compared with the prior art, the invention has the advantages of simultaneously realizing the functions of suspension, guidance and driving, reducing the complexity of magnetic force system control of the maglev train, improving the integration level and the control uniformity of electromagnets on the train, reducing the weight of the train body and the power consumption of suspension guidance, and the like.

Description

Suspension, guide and drive integrated electromagnet device for magnetic-levitation train
Technical Field
The invention relates to the core technology of a magnetic force system of a maglev train, namely the technology of suspension, guidance and driving, in particular to a suspension, guidance and driving integrated electromagnet device for the maglev train.
Background
Suspension, guidance and driving are core technologies of magnetic force systems of magnetic-levitation trains, and only two magnetic-levitation transportation systems are used in the world at present, wherein one system is a normally-conductive high-speed magnetic-levitation system and is applied to Shanghai high-speed magnetic-levitation demonstration lines; the other is a medium-low speed magnetic levitation system, which is applied to Japan, Korea, Changsha and Beijing in China.
The electromagnet device of the high-speed maglev train integrates suspension and driving, and the vehicle-mounted electromagnet provides an excitation magnetic pole for a suspension and driving system; the guiding system is independent of the suspension driving system and comprises a guiding electromagnet, a guiding sensor and a guiding controller, and the guiding system is an independent active control system, so that the control complexity of the magnetic system is increased. The medium-low speed magnetic levitation electromagnet device integrates levitation and guidance, the vehicle-mounted U-shaped electromagnet and the inverted U-shaped track form a levitation and guidance system of the train, the guidance is automatic, and active control is not needed; the driving system is independent of the suspension guiding system, consists of a short stator winding and a track reaction plate which are arranged on a vehicle, is influenced by efficiency, power factor and contact power supply, is suitable for low-speed application, has a certain sum of suspension clearance and driving clearance, increases and decreases, the change of the suspension clearance influences the driving control, and increases the complexity of the control of the magnetic system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an integrated electromagnet device for suspension, guidance and driving of a maglev train.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a suspension, direction and drive integration electromagnet device for maglev train, this structure includes:
vehicle-mounted structure: the device comprises a vehicle-mounted U-shaped structure, a suspension-driving electromagnet arranged at the center line of the vehicle-mounted U-shaped structure and suspension-guiding electromagnets arranged on two side walls of the vehicle-mounted U-shaped structure;
the track structure is as follows: the stator comprises an inverted U-shaped track structure, and a stator core and a stator winding which are arranged on the central line of the inverted U-shaped track structure.
The suspension-driving electromagnets are uniformly distributed along the extending direction of the track, and each suspension-driving electromagnet consists of a suspension-driving electromagnet coil and a suspension-driving electromagnet core.
The suspension-guide electromagnets are connected in series on the side wall of the vehicle-mounted U-shaped structure, and each suspension-guide electromagnet consists of a suspension-guide electromagnet core and a suspension-guide electromagnet coil.
The suspension-drive electromagnet is used for providing excitation for a suspension and drive system of the magnetic-levitation train, and the N poles and the S poles are alternately arranged along the drive direction.
The suspension-guide electromagnets are respectively and correspondingly formed into an N pole and an S pole on two side walls of the vehicle-mounted U-shaped structure.
The excitation magnetic field of the suspension-driving electromagnet and the traveling wave magnetic field generated by the stator winding interact to provide driving force for the magnetic suspension train.
The suspension-driving electromagnet and the stator iron core interact to provide main suspension force for the magnetic suspension train, and the suspension-guiding electromagnet and the inverted U-shaped track structure interact to provide partial suspension force for the magnetic suspension train.
The number and the size of the suspension-guide electromagnet and the suspension-guide electromagnet poles are adjusted according to application scenes.
When the central line of the train deviates from the central line of the track, the suspension-guide electromagnet is dislocated with the inverted U-shaped track to generate a transverse component opposite to the deviation direction of the train, so that the central line of the train returns to the central line of the track, and the automatic guide control of the magnetic suspension train is realized.
The device is driven by a long stator linear synchronous motor and is applied to a high-speed magnetic suspension system and a medium-low speed magnetic suspension system.
Compared with the prior art, the invention has the following advantages:
firstly, the suspension, guide and drive integrated electromagnet device only needs to actively control the suspension magnetic field and the suspension gap, automatically forms the magnetic field of the magnetic pole of the linear motor and the magnetic field of the guide magnetic pole connected with the suspension magnetic pole in series, and reduces the control complexity of a vehicle magnetic system.
And secondly, the guide system is synchronously controlled by the suspension control system, and a complex active control system is not needed.
And thirdly, the long stator linear synchronous motor is adopted for driving, and the motor is suitable for application at medium speed and high speed.
And fourthly, the suspension, driving and guiding functional surfaces are positioned in a relatively concentrated rail interface area, the guiding electromagnet can provide partial suspension force, suspension control and driving control correspond to the same rail functional surface, the suspension gap and the driving gap are increased and decreased synchronously, and mutual interference is avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a plan view of the vehicle-mounted structure.
Fig. 3 is a schematic diagram of the guiding force of the present invention.
The notation in the figure is:
1. suspension-drive electromagnet coil, 2 suspension-guide electromagnet coil, 3 suspension-drive electromagnet core, 4 suspension-guide electromagnet core, 5 vehicle-mounted U-shaped structure, 6 inverted U-shaped track structure, 7 stator core, 8 stator winding.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
As shown in fig. 1, the invention provides a suspension, guidance and driving integrated electromagnet device for a maglev train, which is arranged on two sides of a train body respectively and consists of a vehicle-mounted structure and a track structure.
The vehicle-mounted structure comprises a suspension-driving electromagnet coil 1, a suspension-guiding electromagnet coil 2, a suspension-driving electromagnet core 3, a suspension-guiding electromagnet core 4 and a vehicle-mounted U-shaped structure 5;
the track structure comprises an inverted U-shaped track structure 6, a stator core 7 and a stator winding 8.
The suspension-driving electromagnet consists of a suspension-driving electromagnet coil 1 and a suspension-driving electromagnet core 3, the suspension-driving electromagnet provides excitation for a suspension and driving system of the magnetic-levitation train, and N poles and S poles are alternately arranged along the driving direction; the suspension-guide electromagnet is composed of a suspension-guide electromagnet coil 2 and a suspension-guide electromagnet core 4, the suspension-guide electromagnet provides excitation for a suspension and guide system, the suspension and guide electromagnet is connected in series with the side wall of the vehicle-mounted U-shaped structure 5, and the two ends of the side wall respectively form an N pole and an S pole.
The excitation magnetic field of the suspension-driving electromagnet and the travelling wave magnetic field generated by the stator winding 8 interact to provide driving force for the magnetic suspension train.
The suspension-driving electromagnet and the stator iron core 7 interact to provide main suspension force for the magnetic suspension train, and the suspension-guiding electromagnet and the inverted U-shaped track structure 6 interact to provide partial suspension force for the magnetic suspension train.
As shown in fig. 2, the sizes and numbers of the levitation, driving magnetic poles and levitation guide magnetic poles of the vehicle-mounted integrated electromagnet device can be adjusted according to different application scenarios.
As shown in fig. 3, when the central line of the vehicle deviates from the central line of the track, the levitation-guidance electromagnet is dislocated with the inverted U-shaped track 6, and a transverse component opposite to the deviation direction of the train is generated, so that the central line of the vehicle returns to the central line of the track, thereby realizing the automatic guidance control of the maglev train without a complex active control system.
Finally, it should be noted that: although the present invention has been described in detail with reference to the accompanying drawings, it will be apparent to one skilled in the art that various changes in the embodiments and/or modifications can be made therein without departing from the spirit and scope of the invention. Any modification, equivalent replacement, improvement and the like made within the principle of the invention after the examination are included in the protection scope of the technical invention.

Claims (10)

1. The utility model provides a suspension, direction and drive integration electromagnet device for maglev train which characterized in that, this structure includes:
vehicle-mounted structure: the device comprises a vehicle-mounted U-shaped structure (5), a suspension-driving electromagnet arranged at the center line of the vehicle-mounted U-shaped structure (5) and suspension-guiding electromagnets arranged on two side walls of the vehicle-mounted U-shaped structure (5);
the track structure is as follows: the motor stator comprises an inverted U-shaped track structure (6), and a stator core (7) and a stator winding (8) which are arranged on the central line of the inverted U-shaped track structure (6).
2. A levitation, guidance and driving integrated electromagnet device for a maglev train according to claim 1, wherein said levitation-driving electromagnets are uniformly distributed along the extension direction of the track, each levitation-driving electromagnet being composed of a levitation-driving electromagnet coil (1) and a levitation-driving electromagnet core (3).
3. The integrated electromagnet device for levitation, guidance and driving of magnetic-levitation trains as claimed in claim 1, wherein a plurality of levitation-guidance electromagnets are connected in series on the side wall of the vehicle-mounted U-shaped structure (5), and each levitation-guidance electromagnet is composed of a levitation-guidance electromagnet core (4) and a levitation-guidance electromagnet coil (2).
4. The integrated levitating, guiding and driving electromagnet device for a magnetic-levitation train as claimed in claim 2, wherein said levitating-driving electromagnet is used for providing excitation to a levitating and driving system of the magnetic-levitation train, and N poles and S poles are alternately arranged along a driving direction.
5. The integrated electromagnet device for levitation, guidance and driving of magnetic-levitation trains as claimed in claim 3, wherein the levitation-guidance electromagnet forms N pole and S pole on two side walls of the vehicle-mounted U-shaped structure (5) respectively.
6. The integrated levitation, guidance and driving electromagnet device for magnetic-levitation trains as recited in claim 1, wherein the exciting magnetic field of said levitation-driving electromagnet and the travelling magnetic field generated by the stator winding (8) interact to provide driving force for magnetic-levitation trains.
7. A levitation, guidance and driving integrated electromagnet device for a maglev train according to claim 1, wherein said levitation-driving electromagnet interacts with the stator core (7) to provide a main levitation force for the maglev train, and said levitation-guidance electromagnet interacts with the inverted U-shaped track structure (6) to provide a partial levitation force for the maglev train.
8. The integrated levitation, guidance and driving electromagnet device for magnetic-levitation trains as recited in claim 1, wherein the number and size of said levitation-guidance electromagnet and levitation-guidance electromagnet poles are adjusted according to application scenarios.
9. The integrated electromagnet device for levitation, guidance and driving of magnetic-levitation trains as claimed in claim 1, wherein when the vehicle center line deviates from the track center line, the levitation-guidance electromagnet is misaligned with the inverted U-shaped track (6) to generate a transverse component opposite to the deviation direction of the train, so that the vehicle center line returns to the track center line, thereby realizing automatic guidance control of the magnetic-levitation train.
10. The integrated electromagnet device for levitation, guidance and driving of magnetic-levitation trains as claimed in claim 1, wherein the device is driven by a long-stator linear synchronous motor and is applied to high-speed magnetic levitation systems and medium-low speed magnetic levitation systems.
CN202011015201.0A 2020-09-24 2020-09-24 Suspension, guide and drive integrated electromagnet device for magnetic-levitation train Active CN112124084B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022144389A1 (en) * 2020-12-29 2022-07-07 Max Boegl Stiftung & Co. Kg Primary unit of a drive device of a magnetic levitation railway
CN117621844A (en) * 2024-01-25 2024-03-01 江西理工大学 Traction, suspension and guiding integrated electromagnetic suspension device and optimization method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0797051A (en) * 1993-09-28 1995-04-11 Ebara Corp Superconductive magnetic levitation carrying device
CN202163328U (en) * 2011-07-19 2012-03-14 西南交通大学 Magnetic suspension mechanism integrating suspension, guide and traction functions
CN108312890A (en) * 2018-01-19 2018-07-24 成都天府轨谷科技有限公司 A kind of magnetcisuspension floating rail train suspension system
CN109823191A (en) * 2019-03-25 2019-05-31 成都市新筑路桥机械股份有限公司 A kind of medium-and low-speed maglev train system
CN111016677A (en) * 2019-12-31 2020-04-17 西南交通大学 Permanent magnet mixed type transverse magnetic flux suspension guide synchronous driving integrated maglev train structure
CN111086395A (en) * 2018-10-23 2020-05-01 中车株洲电力机车研究所有限公司 Medium-low speed maglev train traction device and medium-low speed maglev train

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0797051A (en) * 1993-09-28 1995-04-11 Ebara Corp Superconductive magnetic levitation carrying device
CN202163328U (en) * 2011-07-19 2012-03-14 西南交通大学 Magnetic suspension mechanism integrating suspension, guide and traction functions
CN108312890A (en) * 2018-01-19 2018-07-24 成都天府轨谷科技有限公司 A kind of magnetcisuspension floating rail train suspension system
CN111086395A (en) * 2018-10-23 2020-05-01 中车株洲电力机车研究所有限公司 Medium-low speed maglev train traction device and medium-low speed maglev train
CN109823191A (en) * 2019-03-25 2019-05-31 成都市新筑路桥机械股份有限公司 A kind of medium-and low-speed maglev train system
CN111016677A (en) * 2019-12-31 2020-04-17 西南交通大学 Permanent magnet mixed type transverse magnetic flux suspension guide synchronous driving integrated maglev train structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022144389A1 (en) * 2020-12-29 2022-07-07 Max Boegl Stiftung & Co. Kg Primary unit of a drive device of a magnetic levitation railway
CN117621844A (en) * 2024-01-25 2024-03-01 江西理工大学 Traction, suspension and guiding integrated electromagnetic suspension device and optimization method thereof
CN117621844B (en) * 2024-01-25 2024-04-30 江西理工大学 Traction, suspension and guiding integrated electromagnetic suspension device and optimization method thereof

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