CN110549863B - Suspension type electromagnetic propulsion device and magnetic-levitation train - Google Patents
Suspension type electromagnetic propulsion device and magnetic-levitation train Download PDFInfo
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- CN110549863B CN110549863B CN201910843476.4A CN201910843476A CN110549863B CN 110549863 B CN110549863 B CN 110549863B CN 201910843476 A CN201910843476 A CN 201910843476A CN 110549863 B CN110549863 B CN 110549863B
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- rails
- propulsion device
- magnet
- type electromagnetic
- electromagnetic propulsion
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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
- B60L13/10—Combination of electric propulsion and magnetic suspension or levitation
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
The invention discloses a suspension type electromagnetic propulsion device and a maglev train, wherein the disclosed device comprises at least one set of suspension guide propulsion unit, the unit comprises two rails which are arranged in parallel, induction devices are oppositely arranged at the inner sides of the two rails, a coil support which is parallel to the rails is arranged between the two rails, and a lead is wound on the coil support to form a driving coil; the two tracks are provided with at least one supporting framework, the supporting framework is composed of a vehicle body installation part and two magnet installation parts, the lower surface of the vehicle body installation part is provided with wheels, the wheels and the two tracks are matched to enable the supporting framework to walk at low speed, the lower surface of the vehicle body installation part is also provided with two magnet installation parts, the two magnet installation parts are located on two sides of the coil support and the driving coil and located between the two tracks, and each magnet installation part is provided with at least one pair of magnets. The device can realize large-load and ultrahigh-speed operation, and has the advantages of whole-course controllability, small vibration, low cost and high efficiency.
Description
Technical Field
The invention relates to the field of maglev trains and electromagnetic propulsion, in particular to a suspension type electromagnetic propulsion device. The invention also relates to a magnetic suspension train adopting the ultrahigh-speed suspension type electromagnetic propulsion platform.
Background
The maglev train suspension frame is used as a core component of a maglev train and has the functions of suspension, guidance, traction and braking. When the magnetic suspension vertical vehicle runs, the vehicle is suspended on the track by generating electromagnetic attraction through an electromagnet arranged on the suspension frame; the linear motor installed on the suspension frame generates longitudinal force to pull the vehicle to advance. At present, a suspension guide system of an electromagnetic suction type magnetic suspension train is unstable, active control is needed, the structure is complex, the mass is large, heat is serious, a traction system adopts a traditional linear synchronous motor or an induction motor, the traction speed is low, and ultrahigh-speed operation cannot be realized. However, the existing superconducting electric high-speed maglev train only utilizes a single-sided magnetic field of the superconducting magnet, and the other side radiates towards the inside of the carriage, so that the utilization rate of the superconducting magnet is not high and the magnetic radiation is larger.
Therefore, how to realize whole-course controllability, reduce vibration, reduce cost and improve efficiency on the basis of high-speed running of the maglev train is a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
Based on the technical problem, the invention provides a suspension type electromagnetic propulsion device which can realize whole-course controllability, reduce vibration, reduce cost and improve efficiency on the basis of high-speed running of a maglev train.
On the basis of providing the suspension type electromagnetic propelling device, a magnetic suspension train comprising the suspension type electromagnetic propelling device is also provided.
The invention provides a suspension type electromagnetic propulsion device, which comprises at least one set of suspension guide propulsion unit, wherein the suspension guide propulsion unit comprises two rails which are arranged in parallel, induction devices are oppositely arranged at the inner sides of the two rails, a coil bracket which is parallel to the rails is arranged between the two rails, the coil bracket is made of non-magnetic and non-conductive materials, and a lead is wound on the coil bracket to form a driving coil of a hollow three-phase winding;
the two tracks are provided with at least one supporting framework, the supporting framework consists of a vehicle body mounting part and two magnet mounting parts, wheels are arranged on the lower surface of the vehicle body mounting part, the wheels are matched with the two tracks to enable the supporting framework to run at low speed, the lower surface of the vehicle body mounting part is also provided with two magnet mounting parts, the two magnet mounting parts are positioned on two sides of the coil support and the driving coil and positioned between the two tracks, and each magnet mounting part is provided with at least one pair of magnets;
three-phase windings of the driving coil are electrified with three-phase alternating current to generate a traveling wave magnetic field, and the traveling wave magnetic field interacts with the magnets on the two sides of the driving coil to enable the supporting framework to obtain propelling force; the magnets on the moving support frame act with the sensing device to cause the device to generate a levitation force and a guiding force.
Preferably, the induction device is a metal induction plate which is divided into an upper induction plate and a lower induction plate, and the upper induction plate and the lower induction plate are arranged along the inner sides of the two rails at intervals relatively. Preferably, the induction device is an 8-shaped coil, and the 8-shaped coil is oppositely arranged at intervals along the inner sides of the two tracks.
Preferably, the magnet is a permanent magnet.
Preferably, the magnet is a superconducting magnet.
Preferably, the upper surfaces of the two rails are respectively provided with a groove, the lower surface of the vehicle body mounting part is provided with a wheel, the wheel rolls along the groove on the rail, and the support framework can walk on the two rails by means of the wheel at low speed.
Preferably, the suspension type electromagnetic propulsion device comprises at least two suspension guide propulsion units, and the suspension guide propulsion units are arranged in parallel at intervals of a preset distance.
Preferably, the plurality of vehicle body installation parts are connected with each other to form a bottom plate of the maglev train, landing wheels are arranged on two sides of the bottom plate, two sides of two rails on the outermost side of the plurality of suspension guide propulsion units are provided with rail bases, the landing wheels roll on the rail bases, and the maglev train runs on the rail bases by means of the landing wheels at low speed.
On the basis of providing the suspension type electromagnetic propulsion device, the invention also provides a magnetic suspension train, and the magnetic suspension train is fixed on a train body installation part through a fixing device by adopting the suspension type electromagnetic propulsion device.
On the basis of providing the suspension type electromagnetic propulsion device, the invention also provides a magnetic suspension train which adopts the suspension type electromagnetic propulsion device.
On the basis of high-speed running of the maglev train, the whole process can be controlled, vibration is reduced, cost is reduced, and efficiency is improved.
Drawings
Fig. 1 is a schematic front view of a suspension-type electromagnetic propulsion device according to the present invention;
fig. 2 is a left sectional view of a suspension type electromagnetic propulsion device according to the present invention;
FIG. 3 is a schematic view of a metal induction plate of a suspension-type electromagnetic propulsion device according to the present invention;
FIG. 4 is a schematic structural view of an "8" word coil of a suspension-type electromagnetic propulsion device according to the present invention;
FIG. 5 is a structural diagram of a linear synchronous motor of a suspension type electromagnetic propulsion device according to the present invention;
FIG. 6 is a schematic view of a magnetic levitation train provided by the first embodiment;
fig. 7 is a schematic view of a magnetic levitation train provided by a second embodiment.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention is further described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to fig. 2, fig. 1 is a schematic front view of a levitation type electromagnetic propulsion device provided by the present invention, and fig. 2 is a cross-sectional left view of the levitation type electromagnetic propulsion device provided by the present invention.
The invention provides a suspension type electromagnetic propulsion device, which comprises at least one set of suspension guide propulsion unit 10, wherein the suspension guide propulsion unit comprises two rails 1 which are arranged in parallel, induction devices 2 are oppositely arranged at the inner sides of the two rails 1, a coil bracket 3 which is parallel to the rails is arranged between the two rails 1, the coil bracket 3 is made of non-magnetic and non-conductive materials, and a lead is wound on the coil bracket 3 to form a driving coil 4 of a hollow three-phase winding;
the two tracks 1 are provided with at least one supporting framework 5, the supporting framework 5 is composed of a vehicle body installation part 51 and two magnet installation parts 52, wheels are arranged on the lower surface of the vehicle body installation part 51, the wheels are matched with the two tracks 1 at low speed to enable the supporting framework 5 to walk, the lower surface of the vehicle body installation part 51 is also provided with the two magnet installation parts 52, the two magnet installation parts 52 are located on two sides of the coil support 3 and the driving coil 4 and located between the two tracks 1, and each magnet installation part 52 is provided with at least one pair of magnets 6.
The suspension type electromagnetic propulsion device comprises a suspension guide structure and a propulsion structure, the suspension guide structure is an electric suspension structure and comprises magnets 6 arranged on the induction devices 2 and the magnet installation parts 52 in the two tracks 1, and the moving magnets 6 act with the induction devices 2 to generate suspension force and guiding force. The propulsion structure is a linear synchronous motor structure and comprises a driving coil 4 arranged on the coil bracket 3 and a magnet 6 arranged on the magnet mounting part 52, three-phase alternating current is conducted to the three-phase winding to generate a traveling wave magnetic field, and the traveling wave magnetic field and the magnet 6 interact to generate propulsion force. Three-phase windings of the driving coils 4 are electrified with three-phase alternating current to generate traveling wave magnetic fields, the traveling wave magnetic fields interact with the magnets 6 on the two sides to generate propelling force, and the supporting framework 5 of the suspension type electromagnetic propelling device walks on the two tracks 1 at a low speed by means of wheels. The magnet 6 interacts with the induction device 2 after moving to generate suspension force and guiding force, so that the support framework is suspended and separated from the track support. And then the framework is supported to float and advance under the combined action of the propelling force, the suspending force and the guiding force. The suspension type electromagnetic propulsion device can realize large-load and ultrahigh-speed operation, and has the advantages of whole-course controllability, small vibration, low cost and high efficiency.
The magnet is reused in the suspension guide structure and the propulsion structure, is not only an electric suspension magnetic field source, but also a rotor of the linear synchronous motor, has simple and compact structure, and makes full use of the performance of the magnet. The magnet can adopt a permanent magnet with simple structure and low cost or a superconducting magnet with strong magnetic field and light weight.
In a further scheme, grooves are respectively formed in the upper surfaces of the two rails 1, wheels arranged on the lower surfaces of the vehicle body installation parts 51 roll along the grooves in the rails 1, and the supporting framework 5 runs on the two rails 1 through the wheels at low speed.
In a further aspect, the levitation type electromagnetic propulsion device includes at least two levitation guidance propulsion units 10, and the levitation guidance propulsion units 10 are arranged in parallel with each other at a predetermined interval. According to the needs, a plurality of suspension guide propulsion units 10 can be arranged, the suspension guide propulsion units 10 are arranged in parallel at intervals, the suspension guide propulsion unit car body installation parts 51 can be fixedly connected with the magnetic suspension train car body after being connected with each other, and the car body installation parts 51 can also be directly and respectively fixedly connected with the magnetic suspension train car body.
Referring to fig. 3 to 4, fig. 3 is a schematic diagram of a metal induction plate structure of a suspension type electromagnetic propulsion device provided by the present invention, and fig. 4 is a schematic diagram of an "8" word coil structure of a suspension type electromagnetic propulsion device provided by the present invention.
The suspension structure is electric suspension, and induction system 2 can be as shown in fig. 3 a metal induction plate which is divided into two upper and lower parts and arranged along the inner sides of the two rails at intervals relatively up and down. The induction device adopts a metal induction plate, and the structure is simple. The material, the size, the distance between the two induction plates and the relative position of the two induction plates and the magnet need to be designed according to actual requirements.
The induction device 2 can be an 8-shaped coil as shown in fig. 4, the 8-shaped coil is oppositely arranged along the inner sides of the two tracks at intervals, and the 8-shaped coil adopted by the induction device has large suspension force and small eddy current loss. The size of the 8-shaped coil, the inductance and the relative position of the magnet need to be designed according to actual requirements.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a linear synchronous motor of a suspension type electromagnetic propulsion device according to the present invention.
The propulsion structure is a bilateral air-core linear synchronous motor and comprises a magnet 6 which is arranged on a drive coil 4 and a magnet mounting part 52 of a coil bracket 3 and comprises the linear synchronous motor. The stator is a hollow three-phase winding, and the rotor is a magnet. The coil bracket 3 is arranged between the two tracks 1, and a lead is wound on the coil bracket 3 to form a driving coil 4 of an air-core three-phase winding. After three-phase alternating current is conducted to a three-phase winding of the driving coil 4, traveling wave magnetic fields are generated on two sides of the coil support 3, and the magnetic fields on the two sides of the coil support 3 interact with the magnets 6 on the two sides of the coil support to generate propelling force. The driving coil 4 and the magnets 6 on the two sides act to form a bilateral structure, so that the magnetic fields of the stator and the rotor are fully utilized, and the efficiency is improved. The hollow structure has no magnetic saturation and small inductance, and is beneficial to the conduction of large current and the generation of large thrust.
Referring to fig. 6, fig. 6 is a schematic view of a magnetic levitation train provided by the first embodiment.
On the basis of providing the suspension type electromagnetic propulsion device, the invention also provides a magnetic suspension train, and the magnetic suspension train is fixed on the train body installation part 51 through a fixing device by adopting the suspension type electromagnetic propulsion device. Because the suspension type electromagnetic propulsion device has the technical effects, a maglev train adopting the suspension type electromagnetic propulsion device also has corresponding technical effects, and detailed description is omitted.
Referring to fig. 7, fig. 7 is a schematic view of a magnetic levitation train provided by a second embodiment.
The suspension type electromagnetic propulsion device comprises at least two suspension guide propulsion units 10, the suspension guide propulsion units 10 are arranged in parallel at intervals, a plurality of vehicle body installation portions 51 are connected with each other to form a bottom plate of a magnetic suspension train, landing wheels 7 are arranged on two sides of the bottom plate, the suspension guide propulsion units 10 are located on two sides of two rails 1 on the outermost side and are provided with rail bases 8, the landing wheels 7 roll on the rail bases 8, and the magnetic suspension train runs on the rail bases 8 by means of the landing wheels 7 at low speed.
The invention also provides a magnetic suspension train which adopts the suspension type electromagnetic propulsion device, and the magnetic suspension train adopting the suspension type electromagnetic propulsion device also has corresponding technical effects due to the technical effects of the magnetic suspension train, and the detailed description is not provided herein.
The present invention provides a suspension type electromagnetic propulsion device and a maglev train. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A suspension type electromagnetic propulsion device is characterized by comprising at least one set of suspension guide propulsion unit, wherein the suspension guide propulsion unit comprises two rails which are arranged in parallel, induction devices are oppositely arranged at the inner sides of the two rails, a coil support which is parallel to the rails is arranged between the two rails, the coil support is made of non-magnetic and non-conductive materials, and a lead is wound on the coil support to form a driving coil of a hollow three-phase winding;
the two tracks are provided with at least one supporting framework, the supporting framework consists of a vehicle body mounting part and two magnet mounting parts, wheels are arranged on the lower surface of the vehicle body mounting part, the wheels are matched with the two tracks to enable the supporting framework to run at low speed, the lower surface of the vehicle body mounting part is also provided with two magnet mounting parts, the two magnet mounting parts are positioned on two sides of the coil support and the driving coil and positioned between the two tracks, and each magnet mounting part is provided with at least one pair of magnets;
three-phase windings of the driving coil are electrified with three-phase alternating current to generate a traveling wave magnetic field, and the traveling wave magnetic field interacts with the magnets on the two sides of the driving coil to enable the supporting framework to obtain propelling force; the magnets on the moving support frame act with the sensing device to cause the device to generate a levitation force and a guiding force.
2. The suspended electromagnetic propulsion device of claim 1, wherein the induction device is a metal induction plate divided into two upper and lower parts and arranged along the inner sides of the two tracks at intervals from top to bottom.
3. The levitation type electromagnetic propulsion device of claim 1, wherein the induction device is an "8" coil, and the "8" coils are oppositely spaced along the inside of the two tracks.
4. The levitation type electromagnetic propulsion device of claim 2, wherein the magnet is a permanent magnet.
5. The suspended electromagnetic propulsion device of claim 2, wherein the magnet is a superconducting magnet.
6. The levitation type electromagnetic propulsion device according to claim 5, wherein the two rails are provided with grooves on the upper surfaces thereof, and wheels are provided on the lower surfaces of the vehicle body mounting portions and roll along the grooves on the rails, so that the supporting frame can run on the two rails by means of the wheels at a low speed.
7. The levitation type electromagnetic propulsion device according to any one of claims 1 to 5, comprising at least two levitation guidance propulsion units, which are arranged in parallel with each other at predetermined intervals.
8. The suspended electromagnetic propulsion device of claim 7, wherein a plurality of the car body installation parts are connected to form a bottom plate of the maglev train, landing wheels are arranged on two sides of the bottom plate, track bases are arranged on two sides of two outermost tracks of the suspended guiding propulsion units, the landing wheels roll on the track bases, and the maglev train runs on the track bases by means of the landing wheels at low speed.
9. A maglev train, characterized in that it employs a suspended electromagnetic propulsion device according to any of claims 1 to 7, said maglev train being fixed to the vehicle body mounting by means of a fixing device.
10. A maglev train, characterized in that it employs a levitation type electromagnetic propulsion device as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910843476.4A CN110549863B (en) | 2019-09-06 | 2019-09-06 | Suspension type electromagnetic propulsion device and magnetic-levitation train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910843476.4A CN110549863B (en) | 2019-09-06 | 2019-09-06 | Suspension type electromagnetic propulsion device and magnetic-levitation train |
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| CN110549863A CN110549863A (en) | 2019-12-10 |
| CN110549863B true CN110549863B (en) | 2020-09-29 |
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| CN201910843476.4A Active CN110549863B (en) | 2019-09-06 | 2019-09-06 | Suspension type electromagnetic propulsion device and magnetic-levitation train |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511223B (en) * | 2020-04-10 | 2022-07-12 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Magnetic suspension track system |
| CN114649920B (en) * | 2020-12-18 | 2024-03-15 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Double-magnet multiphase superconducting linear synchronous motor |
| CN113415171B (en) * | 2021-07-07 | 2022-10-21 | 西南交通大学 | Suspension driving integrated magnetic suspension system and suspension driving method |
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| DE2543664A1 (en) * | 1975-09-30 | 1977-04-07 | Siemens Ag | Guide rail for linear drive with magnetic steering - with low resistance material slotted for linear induction with low loss |
| US6044770A (en) * | 1990-10-23 | 2000-04-04 | Park Square Technology, Ltd. | Integrated high speed MAGLEV system |
| CN1255097A (en) * | 1997-06-06 | 2000-05-31 | 西门子公司 | Travel system for magnetic levitation vehicle |
| CN1294652A (en) * | 1999-02-26 | 2001-05-09 | 道尔玛有限公司和两合公司 | Combined bearing and drive system |
| CN1316359A (en) * | 2000-04-05 | 2001-10-10 | 王光宇 | Driving system of magnetic suspension train |
| JP2005304270A (en) * | 2004-04-16 | 2005-10-27 | Central Japan Railway Co | Mechanism of combined use of magnetic induction levitation/guide |
| JP2006287997A (en) * | 2005-03-31 | 2006-10-19 | Railway Technical Res Inst | Sensorless magnetic damping generating method employing induction current-collector |
| CN108382264A (en) * | 2018-03-21 | 2018-08-10 | 哈尔滨工业大学 | Permanent magnetism magnetic suspension linear electromagnetic propulsion system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11702112B2 (en) * | 2018-04-26 | 2023-07-18 | Kittappa Rayaprolu | System for propelling a levitated train |
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2019
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2543664A1 (en) * | 1975-09-30 | 1977-04-07 | Siemens Ag | Guide rail for linear drive with magnetic steering - with low resistance material slotted for linear induction with low loss |
| US6044770A (en) * | 1990-10-23 | 2000-04-04 | Park Square Technology, Ltd. | Integrated high speed MAGLEV system |
| CN1255097A (en) * | 1997-06-06 | 2000-05-31 | 西门子公司 | Travel system for magnetic levitation vehicle |
| CN1294652A (en) * | 1999-02-26 | 2001-05-09 | 道尔玛有限公司和两合公司 | Combined bearing and drive system |
| CN1316359A (en) * | 2000-04-05 | 2001-10-10 | 王光宇 | Driving system of magnetic suspension train |
| JP2005304270A (en) * | 2004-04-16 | 2005-10-27 | Central Japan Railway Co | Mechanism of combined use of magnetic induction levitation/guide |
| JP2006287997A (en) * | 2005-03-31 | 2006-10-19 | Railway Technical Res Inst | Sensorless magnetic damping generating method employing induction current-collector |
| CN108382264A (en) * | 2018-03-21 | 2018-08-10 | 哈尔滨工业大学 | Permanent magnetism magnetic suspension linear electromagnetic propulsion system |
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| CN110549863A (en) | 2019-12-10 |
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