CN113914156A - Magnetic levitation system and levitation train - Google Patents
Magnetic levitation system and levitation train Download PDFInfo
- Publication number
- CN113914156A CN113914156A CN202111293174.8A CN202111293174A CN113914156A CN 113914156 A CN113914156 A CN 113914156A CN 202111293174 A CN202111293174 A CN 202111293174A CN 113914156 A CN113914156 A CN 113914156A
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- suspension
- track
- train
- permanent magnets
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- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Transportation (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 magnetic suspension system and a suspension train, wherein the magnetic suspension system comprises a suspension frame, a suspension permanent magnet, a suspension driving device and a guide permanent magnet, wherein the suspension frame comprises an upper suspension frame, a lower suspension frame and a side suspension frame; the suspension permanent magnet comprises a first suspension permanent magnet positioned on the upper surface of the track and a second suspension permanent magnet positioned on the lower surface of the upper floating frame and arranged opposite to the same pole of the first suspension permanent magnet; the suspension driving device comprises a track linear motor positioned on the lower surface of the track and a suspension electromagnet arranged on the upper surface of the lower floating frame, and the suspension electromagnet and the track linear motor interact through a traveling wave magnetic field and drive the train to move; the guide permanent magnets comprise first guide permanent magnets positioned on the surfaces of the two sides of the track and second guide permanent magnets positioned on the side floating frame and arranged oppositely to the same poles of the first guide permanent magnets. The invention adopts the magnetic repulsion type suspension technology to realize the static suspension of the train and realize the aims of light weight and low energy consumption of the train.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a magnetic suspension system and a suspension train.
Background
The high-speed maglev train serves as a backbone of future traffic, overcomes the restriction of a wheel-rail relation, supplements the speed between high-speed rails and airplanes, can perfect air-ground three-dimensional traffic, improves the travel efficiency and promotes intercity integration. At present, two types of magnetic suspension trains are available as mainstream products, one type is a magnetic attraction type normal conduction magnetic suspension train, the other type is a magnetic repulsion type superconducting magnetic suspension train, and the two types of magnetic suspension trains have own advantages and disadvantages.
The normally-conducting magnetic-levitation train can realize static levitation, and the levitation of the train is realized by adopting a mode of mounting a levitation electromagnet on the lower part of a levitation frame and utilizing the attraction force between the levitation electromagnet and a track. The suspension clearance between the train and the track is small, the requirements on the track and suspension control are higher, and the track cost is high. The suspension control is active control, the suspension control is complex, and the attraction force of a large number of suspension electromagnets is needed to offset the gravity of the train, so that the increase of the train weight and the increase of the energy consumption are caused.
The superconducting maglev train generates suspension force by utilizing the interaction of the 8-shaped coil between the vehicle-mounted superconductor and the track when running at high speed, so that the train is suspended, the suspension mode belongs to electric suspension, the static suspension of the train cannot be realized, the 8-shaped coil needs to be additionally arranged on the track, the manufacturing cost of the track is increased, the kinetic energy of the train is consumed, the resistance of the train is increased, and the energy consumption of the train is increased. The suspension of the superconducting maglev train can be realized only after a certain speed is reached, and the support wheels need to be released to support the operation when the superconducting maglev train operates at a low speed, so that the complexity of a suspension frame and the weight of the train are increased, and meanwhile, the train vibrates violently when the superconducting maglev train operates at the low speed, and the comfort performance is poor.
Therefore, how to reduce the control difficulty of the maglev train and reduce the weight and energy consumption of the maglev train at the same time is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a magnetic levitation system, which is easy to control, and can achieve stable static levitation of a train, and achieve the objectives of light weight and low energy consumption of the train. Another object of the present invention is to provide a suspension train.
In order to achieve the purpose, the invention provides the following technical scheme:
a magnetic levitation system comprising:
the suspension frame is arranged below a train body of the train and comprises an upper suspension frame positioned above the track, a lower suspension frame positioned below the track and side suspension frames positioned on two sides of the track;
the suspension permanent magnets comprise first suspension permanent magnets and second suspension permanent magnets, the first suspension permanent magnets are arranged on the upper surface of the rail along the length direction of the rail, the second suspension permanent magnets are positioned on the lower surface of the upper floating frame, and the same poles of the first suspension permanent magnets and the second suspension permanent magnets are oppositely arranged;
the suspension driving device comprises a track linear motor arranged on the lower surface of the track along the length direction of the track, and further comprises a suspension electromagnet arranged on the upper surface of the lower floating frame, and the suspension electromagnet and the track linear motor interact through a traveling wave magnetic field and drive a train to move;
the guide permanent magnet comprises a first guide permanent magnet and a second guide permanent magnet, wherein the first guide permanent magnet is positioned on the surfaces of the two sides of the track, the second guide permanent magnet is positioned on the side floating frame, and the homopolarity of the first guide permanent magnet and the homopolarity of the second guide permanent magnet are arranged in opposite directions.
Preferably, the upper surface of the lower floating frame is further provided with a gap sensor for detecting the size of a gap between the lower floating frame and the track.
Preferably, the magnetic levitation system further comprises a levitation gap control device for adjusting the current of the levitation electromagnet, and the gap sensor is electrically connected with the levitation gap control device.
Preferably, the gap sensor is an infrared distance measuring sensor or an ultrasonic distance measuring sensor.
Preferably, the upper surface of the track is provided with two rows of the first suspension permanent magnets arranged along the length direction of the track, and the two rows of the first suspension permanent magnets are symmetrically arranged in the width direction of the track.
Preferably, the lower surface of the track is provided with two rows of track linear motors arranged along the length direction of the track, and the two rows of track linear motors are symmetrically arranged in the width direction of the track.
Preferably, two rows of the first guide permanent magnets are symmetrically arranged on two side surfaces of the rail in the width direction of the rail.
Preferably, a vibration damping device is arranged above the suspension frame.
Preferably, the damping device is an air spring.
The invention provides a magnetic suspension system, comprising: the suspension frame comprises an upper suspension frame positioned above the track, a lower suspension frame positioned below the track and side suspension frames positioned on two sides of the track; the suspension permanent magnets comprise first suspension permanent magnets and second suspension permanent magnets, the first suspension permanent magnets are arranged on the upper surface of the track along the length direction of the track, the second suspension permanent magnets are positioned on the lower surface of the upper floating frame, and the same poles of the first suspension permanent magnets and the second suspension permanent magnets are oppositely arranged; the suspension driving device comprises a track linear motor arranged on the lower surface of the track along the length direction of the track and a suspension electromagnet arranged on the upper surface of the lower floating frame, and the suspension electromagnet and the track linear motor interact through a traveling wave magnetic field and drive the train to move; the guide permanent magnets comprise first guide permanent magnets positioned on the surfaces of the two sides of the track and second guide permanent magnets positioned on the side floating frame, and the homopolarity of the first guide permanent magnets and the homopolarity of the second guide permanent magnets are arranged oppositely.
The working principle of the invention is as follows:
the first suspension permanent magnet on the rail and the second suspension permanent magnet on the lower surface of the upper floating frame repel each other, the smaller the gap between the upper floating frame and the rail is, the larger the repulsive force between the upper floating frame and the rail is, and the gravity of the train is counteracted by using the repulsive force between the upper floating frame and the rail, so that the static suspension of the train can be realized. Simultaneously, this scheme is at the upper surface mounting suspension electro-magnet of lower floating frame for the size in control suspension clearance, simultaneously, suspension electro-magnet and the track linear electric motor of track below pass through travelling wave magnetic field interact, thereby produce the drive power that drives train motion.
When the weight of the train is increased, the train moves downwards under the action of gravity, gaps among the suspension permanent magnets are reduced, the increased repulsive force caused by the mutual approach among the suspension permanent magnets can reduce the downward movement trend of the train, and at the moment, the static stable suspension of the train can be realized only by controlling the current of the suspension electromagnet. When the weight of the train is reduced, the train moves upwards, gaps among the levitation permanent magnets are enlarged, and the repulsive force reduced due to the mutual separation of the levitation permanent magnets can prevent the train from continuously moving upwards, so that the static stable levitation of the train can be realized.
The magnetic suspension system provided by the invention adopts a magnetic repulsion type suspension technology, the suspension gap between the train suspension frame and the track is large, the requirement of the large suspension gap on the high-speed vibration of the train is reduced, the higher running speed of the train can be realized under the same condition, the requirement on the track is reduced, the precision of the track can be properly reduced, and the engineering cost of the track is reduced. Compared with a normally-conducting electromagnetic suspension mode, the invention saves a large amount of suspension guide electromagnets and controllers, thereby greatly reducing the weight of the train, correspondingly reducing the running power consumption and realizing the aims of light weight and low energy consumption of the train. Compared with a superconducting electric maglev mode, the suspension frame can realize static suspension of the train, does not need a supporting wheel of the superconducting maglev train, and has better stability and higher comfort under the condition of low speed, and the complexity of the suspension frame is reduced.
The invention also provides a suspension train comprising the magnetic suspension system. The derivation process of the beneficial effect of the suspension train is substantially similar to the derivation process of the beneficial effect brought by the magnetic suspension system, and therefore, the description is omitted here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a magnetic levitation system in an embodiment of the present invention.
The various reference numerals in fig. 1 have the following meanings:
the device comprises a vehicle body 1, an air spring 2, an upper floating frame 3, a side floating frame 4, a gap sensor 5, a lower floating frame 6, a track 7, a suspension electromagnet 8, a track linear motor 9, a first guide permanent magnet 10, a second guide permanent magnet 11, a first suspension permanent magnet 12 and a second suspension permanent magnet 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a magnetic levitation system applied to a levitation train, and specifically, the magnetic levitation system includes: suspension frame, suspension permanent magnet, suspension drive arrangement and direction permanent magnet. These sections are described in detail below.
The suspension frame is arranged below the train body 1 of the train, suspended on the track 7 and used for supporting the train body 1, and comprises an upper suspension frame 3 positioned above the track 7, a lower suspension frame 6 positioned below the track 7 and side suspension frames 4 positioned on two sides of the track 7; the upper floating frame 3, the two side floating frames 4 and the lower floating frame 6 are connected into an integral floating frame which is suspended and clamped on the track 7, as shown in fig. 1. In order to further improve the comfort of passengers, the present solution is preferably provided with a vibration damping device, such as a vibration damper, a vibration damping spring, etc., above the suspension, and preferably adopts the air spring 2 as the vibration damping device.
The levitation permanent magnets comprise first levitation permanent magnets 12 arranged on the upper surface of the rail 7 along the length direction of the rail 7 and second levitation permanent magnets 13 arranged on the lower surface of the upper levitation frame 3, the same poles of the first levitation permanent magnets 12 and the second levitation permanent magnets 13 are arranged oppositely, specifically, as shown in fig. 1, the second levitation permanent magnets 13 are arranged above the first levitation permanent magnets 12, the S poles of the first levitation permanent magnets and the S poles of the second levitation permanent magnets are arranged oppositely, or the N poles of the first levitation permanent magnets and the S poles of the second levitation permanent magnets are arranged oppositely. The repulsive force between the first levitation permanent magnet 12 and the second levitation permanent magnet 13 can provide an upward supporting force for the levitation chassis and the vehicle body 1, so that the gravity of the vehicle body 1 can be offset. It should be noted that, in the present invention, one or more rows of first levitation permanent magnets 12 arranged along the length direction of the track 7 may be disposed on the track 7, and preferably, two rows of first levitation permanent magnets 12 arranged along the length direction of the track 7 are disposed on the upper surface of the track 7, and the two rows of first levitation permanent magnets 12 are symmetrically disposed in the width direction of the track 7.
The suspension driving device comprises a track linear motor 9 arranged on the lower surface of the track 7 along the length direction of the track 7, and further comprises a suspension electromagnet 8 arranged on the upper surface of the lower floating frame 6, and the suspension electromagnet 8 and the track linear motor 9 interact with each other through a traveling wave magnetic field and drive the train to move. The train is driven to run through the linear induction motor, the track linear motor 9 arranged on the track 7 is usually a stator part of the linear induction motor and comprises an iron core and a coil winding part, correspondingly, the upper surface of the lower floating frame 6 is provided with a suspension electromagnet 8 positioned below the track linear motor 9 to serve as a rotor part of the linear induction motor, and under the power-on condition, the suspension electromagnet 8 and the track linear motor 9 interact through a traveling wave magnetic field, so that the train is driven to move. Meanwhile, the size of the attraction between the suspension electromagnet 8 and the track linear motor 9 can be adjusted by adjusting the size of the electrified current of the suspension electromagnet, and then the size of the suspension gap between the suspension rack and the track 7 is adjusted. The attractive force between the suspension electromagnet 8 and the track linear motor 9 is far smaller than the gravity of the train, so that the phenomenon of deadlocking between the suspension rack and the track 7 is avoided, and the safety of the train is higher. It should be noted that, in the present invention, one or more rows of track linear motors 9 may be disposed on the lower surface of the track 7, preferably, two rows of track linear motors 9 arranged along the length direction of the track 7 are disposed on the lower surface of the track 7, and the two rows of track linear motors 9 are symmetrically disposed in the width direction of the track 7.
The guide permanent magnets comprise first guide permanent magnets 10 located on the surfaces of the two sides of the track 7 and second guide permanent magnets 11 located on the side floating frame 4, and the homopolar faces of the first guide permanent magnets 10 and the homopolar faces of the second guide permanent magnets 11 are arranged in opposite directions. The following illustrates the guiding function of the guiding permanent magnet to the train: in the process of forward running of the train, if the track 7 in front is bent to the right, then, when the train moves to the bend, the first guide permanent magnet 10 on the right side of the track 7 and the second guide permanent magnet 11 on the side floating frame 4 on the right side are close to each other, the first guide permanent magnet 10 on the left side of the track 7 and the second guide permanent magnet 11 on the side floating frame 4 on the left side are far away from each other, so that the repulsive force of the side floating frame 4 on the right side of the track 7 is greater than that of the side floating frame 4 on the left side, the whole floating frame is moved to the right, and the guide function of the train is realized. Preferably, two rows of the first guide permanent magnets 10 are symmetrically arranged on both side surfaces of the rail 7 in the width direction along the rail 7, that is, one row of the first guide permanent magnets 10 is arranged on each of the left and right sides of the rail 7. Of course, the present invention may also be arranged with a plurality of rows of first guiding permanent magnets 10 on each of the left and right sides of the track 7, which will not be described herein.
Preferably, the upper surface of the lower float 6 is further provided with a gap sensor 5 for detecting the size of the gap between the lower float 6 and the rail 7. Specifically, the gap sensor 5 may be an infrared distance measuring sensor or an ultrasonic distance measuring sensor. The gap sensor 5 can detect and feed back the gap between the lower floating frame 6 and the track 7 in real time.
Preferably, the magnetic levitation system further comprises a levitation gap control device for adjusting the current magnitude of the levitation electromagnet 8, and the gap sensor 5 is electrically connected with the levitation gap control device.
The working principle of the invention is as follows:
the first suspension permanent magnet 12 on the track 7 and the second suspension permanent magnet 13 on the lower surface of the upper floating frame 3 repel each other, the smaller the gap between the upper floating frame 3 and the track 7 is, the larger the repulsive force between the two is, and the repulsive force between the two counteracts the gravity of the train, so that the static suspension of the train can be realized. Meanwhile, the suspension electromagnet 8 is arranged on the upper surface of the lower floating frame 6 and used for controlling the size of a suspension gap, and meanwhile, the suspension electromagnet 8 and a track linear motor 9 below the track 7 interact through a traveling wave magnetic field, so that driving force for driving a train to move is generated.
When the weight of the train is increased, the train moves downwards under the action of gravity, gaps among the suspension permanent magnets are reduced, the increased repulsive force caused by the mutual approach among the suspension permanent magnets can reduce the downward movement trend of the train, and at the moment, the static stable suspension of the train can be realized only by controlling the current of the suspension electromagnet 8. When the weight of the train is reduced, the train moves upwards, gaps among the levitation permanent magnets are enlarged, and the repulsive force reduced due to the mutual separation of the levitation permanent magnets can prevent the train from continuously moving upwards, so that the static stable levitation of the train can be realized.
The magnetic suspension system provided by the invention adopts a magnetic repulsion type suspension technology, the suspension gap between the train suspension frame and the track 7 is large, the requirement of the large suspension gap on the high-speed vibration of the train is reduced, the higher running speed of the train can be realized under the same condition, the requirement on the track 7 is reduced, the precision of the track 7 can be properly reduced, and the engineering cost of the track 7 is further reduced. Compared with a normally-conducting electromagnetic suspension mode, the invention saves a large amount of suspension guide electromagnets and controllers, thereby greatly reducing the weight of the train, correspondingly reducing the running power consumption and realizing the aims of light weight and low energy consumption of the train. Compared with a superconducting electric maglev mode, the suspension frame can realize static suspension of the train, does not need a supporting wheel of the superconducting maglev train, and has better stability and higher comfort under the condition of low speed, and the complexity of the suspension frame is reduced.
The invention also provides a suspension train comprising the magnetic suspension system. The derivation process of the beneficial effect of the suspension train is substantially similar to the derivation process of the beneficial effect brought by the magnetic suspension system, and therefore, the description is omitted here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A magnetic levitation system, comprising:
the suspension frame is arranged below a train body of the train and comprises an upper suspension frame positioned above the track, a lower suspension frame positioned below the track and side suspension frames positioned on two sides of the track;
the suspension permanent magnets comprise first suspension permanent magnets and second suspension permanent magnets, the first suspension permanent magnets are arranged on the upper surface of the rail along the length direction of the rail, the second suspension permanent magnets are positioned on the lower surface of the upper floating frame, and the same poles of the first suspension permanent magnets and the second suspension permanent magnets are oppositely arranged;
the suspension driving device comprises a track linear motor arranged on the lower surface of the track along the length direction of the track, and further comprises a suspension electromagnet arranged on the upper surface of the lower floating frame, and the suspension electromagnet and the track linear motor interact through a traveling wave magnetic field and drive a train to move;
the guide permanent magnet comprises a first guide permanent magnet and a second guide permanent magnet, wherein the first guide permanent magnet is positioned on the surfaces of the two sides of the track, the second guide permanent magnet is positioned on the side floating frame, and the homopolarity of the first guide permanent magnet and the homopolarity of the second guide permanent magnet are arranged in opposite directions.
2. The magnetic levitation system as recited in claim 1, wherein the upper surface of the lower levitation frame is further provided with a gap sensor for detecting a gap size between the lower levitation frame and the track.
3. The magnetic levitation system as recited in claim 2, further comprising a levitation gap control device for adjusting the magnitude of the current of the levitation electromagnet, wherein the gap sensor is electrically connected to the levitation gap control device.
4. The magnetic levitation system of claim 2, wherein the gap sensor is an infrared ranging sensor or an ultrasonic ranging sensor.
5. The magnetic levitation system as recited in claim 1, wherein the upper surface of the track is provided with two rows of the first levitation permanent magnets arranged along the length direction of the track, and the two rows of the first levitation permanent magnets are symmetrically arranged in the width direction of the track.
6. The magnetic levitation system as recited in claim 1, wherein the lower surface of the track is provided with two rows of the track linear motors arranged along the length direction of the track, and the two rows of the track linear motors are symmetrically arranged in the width direction of the track.
7. The magnetic levitation system as recited in claim 1, wherein two rows of the first guiding permanent magnets are symmetrically arranged on both side surfaces of the track in a width direction of the track.
8. A system according to claim 1, wherein a vibration damping device is provided above the suspension.
9. The magnetic levitation system of claim 8, wherein the vibration reduction device is an air spring.
10. A suspended train comprising a magnetic levitation system as claimed in any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111293174.8A CN113914156A (en) | 2021-11-03 | 2021-11-03 | Magnetic levitation system and levitation train |
| PCT/CN2021/133019 WO2023077573A1 (en) | 2021-11-03 | 2021-11-25 | Magnetic levitation system and levitation train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111293174.8A CN113914156A (en) | 2021-11-03 | 2021-11-03 | Magnetic levitation system and levitation train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113914156A true CN113914156A (en) | 2022-01-11 |
Family
ID=79245446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111293174.8A Pending CN113914156A (en) | 2021-11-03 | 2021-11-03 | Magnetic levitation system and levitation train |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113914156A (en) |
| WO (1) | WO2023077573A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807361A (en) * | 2023-02-01 | 2023-03-17 | 成都西交华创科技有限公司 | Mounting foundation of permanent magnet track of magnetic suspension train and magnetic suspension train |
| WO2023077573A1 (en) * | 2021-11-03 | 2023-05-11 | 中车长春轨道客车股份有限公司 | Magnetic levitation system and levitation train |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117601662A (en) * | 2023-11-29 | 2024-02-27 | 江西理工大学 | Permanent magnet suspension structure for realizing stable operation of upper magnet and lower magnet in magnetic levitation pair deflection mode |
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| FR2475471A1 (en) * | 1980-02-08 | 1981-08-14 | Thyssen Industrie | MAGNETIC SUSPENSION TRAIN |
| JP2002146701A (en) * | 2000-11-08 | 2002-05-22 | Toshio Takayama | Turnout system for ultra-high speed railway |
| CN110386155A (en) * | 2018-04-16 | 2019-10-29 | 李启飞 | Pneumatic guiding magnetic-levitation train |
| 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 |
| CN111284330A (en) * | 2020-02-17 | 2020-06-16 | 上海交通大学 | High-temperature superconducting electric magnetic suspension train |
| CN112208347A (en) * | 2019-10-09 | 2021-01-12 | 大连奇想科技有限公司 | Electromagnetic suspension train rail system and suspension electromagnet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105691233B (en) * | 2016-01-14 | 2018-02-09 | 曲阜师范大学 | Electromagnetism train |
| WO2017162144A1 (en) * | 2016-03-23 | 2017-09-28 | 刘忠臣 | Permanent magnet levitation train track system |
| CN113914156A (en) * | 2021-11-03 | 2022-01-11 | 中车长春轨道客车股份有限公司 | Magnetic levitation system and levitation train |
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2021
- 2021-11-03 CN CN202111293174.8A patent/CN113914156A/en active Pending
- 2021-11-25 WO PCT/CN2021/133019 patent/WO2023077573A1/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2475471A1 (en) * | 1980-02-08 | 1981-08-14 | Thyssen Industrie | MAGNETIC SUSPENSION TRAIN |
| JP2002146701A (en) * | 2000-11-08 | 2002-05-22 | Toshio Takayama | Turnout system for ultra-high speed railway |
| CN110386155A (en) * | 2018-04-16 | 2019-10-29 | 李启飞 | Pneumatic guiding magnetic-levitation train |
| CN112208347A (en) * | 2019-10-09 | 2021-01-12 | 大连奇想科技有限公司 | Electromagnetic suspension train rail system and suspension electromagnet |
| 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 |
| CN111284330A (en) * | 2020-02-17 | 2020-06-16 | 上海交通大学 | High-temperature superconducting electric magnetic suspension train |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023077573A1 (en) * | 2021-11-03 | 2023-05-11 | 中车长春轨道客车股份有限公司 | Magnetic levitation system and levitation train |
| CN115807361A (en) * | 2023-02-01 | 2023-03-17 | 成都西交华创科技有限公司 | Mounting foundation of permanent magnet track of magnetic suspension train and magnetic suspension train |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023077573A1 (en) | 2023-05-11 |
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Application publication date: 20220111 |
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