CN210733859U - Propelling device for magnetic suspension train - Google Patents
Propelling device for magnetic suspension train Download PDFInfo
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- CN210733859U CN210733859U CN201920536533.XU CN201920536533U CN210733859U CN 210733859 U CN210733859 U CN 210733859U CN 201920536533 U CN201920536533 U CN 201920536533U CN 210733859 U CN210733859 U CN 210733859U
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- magnet track
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Abstract
The utility model provides a advancing device for maglev train. The propulsion device comprises: a connecting device and a coil; the top of the connecting device is connected with the bottom of a bogie arranged below the vehicle body; the coil is connected with the bottom of the connecting device; the coil is arranged right above the permanent magnet track. Use the utility model discloses can reduce high temperature superconductive magnetic suspension system engineering cost level, practice thrift the cost.
Description
Technical Field
The application relates to the technical field of high-temperature superconducting magnetic levitation, in particular to a propelling device for a magnetic levitation train.
Background
In the prior art, the conventional linear motor is generally adopted in the field of magnetic levitation of rail transit to realize the propulsion of a magnetic levitation train, even though high-temperature superconducting magnetic levitation is adopted. Either asynchronous linear induction motors used at low speeds or synchronous linear motors used at high speeds require additional coils or propulsion devices along the track as long as conventional linear motors are used.
As can be seen from the above, the propulsion technology of magnetic levitation trains in the prior art has the above-mentioned disadvantages, and therefore, how to provide a better propulsion device of magnetic levitation trains is a problem to be solved in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a advancing device for maglev train to can reduce high temperature superconductive maglev system engineering cost level, practice thrift the cost.
The technical scheme of the utility model specifically be so realized:
a propulsion device for a magnetic levitation vehicle, the propulsion device comprising: a connecting device and a coil;
the top of the connecting device is connected with the bottom of a bogie arranged below the vehicle body;
the coil is connected with the bottom of the connecting device; the coil is arranged right above the permanent magnet track.
Preferably, the permanent magnet track is mounted on the concrete structure through a track buttress.
Preferably, the connecting device and the coil are arranged on the bogie above the permanent magnet track side by side with the high-temperature superconducting suspension device.
Preferably, when the section of the permanent magnet track comprises 4 permanent magnets, and the magnetization directions of the permanent magnets from left to right are respectively right, upward and leftward, the coil is rectangular, and the bottom of the coil is positioned right above the two permanent magnets in the middle; the direction of the current in the coil is counter-clockwise or clockwise.
Preferably, when the section of the permanent magnet track comprises 4 permanent magnets, and the magnetization directions of the permanent magnets from left to right are upward, downward and downward respectively, the coil is in the shape of two connected rectangles, wherein the bottom of one rectangle is positioned right above the two permanent magnets on the left, and the bottom of the other rectangle is positioned right above the two permanent magnets on the right; the current flow in the two rectangles is in opposite directions.
Preferably, when the cross section of the permanent magnet track comprises 5 permanent magnets, and the magnetization directions of the permanent magnets from left to right are respectively right, upward, left, downward and right, the coil is in the shape of two connected rectangles, wherein the bottom of one rectangle is positioned right above the two leftmost permanent magnets, and the bottom of the other rectangle is positioned right above the two rightmost permanent magnets; the current flow in the two rectangles is in opposite directions.
As can be seen from the above, in the propulsion device for a maglev train of the present invention, the coil is disposed on the bogie below the vehicle body and above the permanent magnet rail, and the permanent magnet rail that realizes the functions of suspension and guidance by making full use of the high-temperature superconducting magnetic suspension is made to become a part of the driving system. Through the organic combination of the two, the whole high-temperature superconducting magnetic suspension system is simplified, and the integration degree of the magnetic suspension system is integrally improved. Furthermore, the technical scheme of the utility model in not utilizing the synchronous linear electric motor technique of interchange that traditional magnetic suspension system used among the prior art, but utilize the mode that is similar to the ingenious combination of direct current linear electric motor fundamental principle and high temperature superconducting magnetic suspension, realize the towed novel drive mode of magnetic suspension car, consequently need not to lay the coil or additionally set up advancing device along the track, can show and reduce high temperature superconducting magnetic suspension system engineering cost level, practiced thrift the cost.
Drawings
Fig. 1 is a front view of a propulsion device for a magnetic levitation train in an embodiment of the invention.
Fig. 2 is a side view of a propulsion device for a magnetic levitation train in an embodiment of the invention.
Fig. 3 is a schematic diagram of a coil and a permanent magnet track in an embodiment of the invention.
Fig. 4 is a schematic diagram of a coil and permanent magnet track in another embodiment of the present invention.
Fig. 5 is a schematic diagram of a coil and permanent magnet track in another embodiment of the present invention.
Detailed Description
In order to make the technical solution and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses in provide a advancing device for maglev train.
As shown in fig. 1 to 5, a propulsion device for a maglev train according to an embodiment of the present invention includes: the connecting means 3 and the coil 4;
the top of the connecting device 3 is connected with the bottom of a bogie 2 arranged below the vehicle body 1;
the coil 4 is connected with the bottom of the connecting device 3; the coil 4 is arranged directly above the permanent magnet track 5.
By using the propulsion device, the corresponding magnetic suspension train can be driven. The utility model provides an above-mentioned advancing device for maglev train is applicable to all high temperature superconductive magnetic levitation systems.
In addition, in the technical solution of the present invention, the coil can be realized by using various specific implementation manners. For example, the winding pattern of the coil may be preset according to the requirement of the actual application and the specific structure of the permanent magnet track (for example, the arrangement pattern of the permanent magnets in the magnetic track). The technical solution of the present invention will be described in detail below by taking several specific implementation manners as examples.
For example, preferably, as shown in fig. 3, in an embodiment of the present invention, when the cross section of the permanent magnet track includes 4 permanent magnets, and the magnetization directions of the permanent magnets from left to right are right, upward and leftward, respectively, the coil is rectangular, and the bottom of the coil is located right above the middle two permanent magnets; the direction of the current in the coil is counter-clockwise or clockwise.
At this time, since the gradient of the magnetic field intensity decreases rapidly with distance, and the top of the rectangular coil in fig. 3 is distant from the permanent magnet track, the magnetic field intensity at the top is extremely low and negligible. The actual force-bearing portion of the coil is concentrated at the lower edge (i.e., bottom edge) of the coil and the portions of the two side edges of the coil that are close to the magnetic field. According to the left-hand ampere rule, the force-receiving direction of the bottom side of the rectangular coil shown in fig. 3 is perpendicular to the paper surface and is outward (i.e. the preset driving direction), and the force-receiving directions of the two sides of the rectangular coil are opposite to each other. According to actual experiments and simulation calculation, the resultant force of the two is not zero, and the direction of the resultant force is perpendicular to the paper surface and outwards (namely, the preset driving direction). Therefore, the resultant force is used as the driving force, and the magnetic suspension vehicle can be driven or dragged.
For another example, preferably, as shown in fig. 4, in another embodiment of the present invention, when the cross section of the permanent magnet track includes 4 permanent magnets, and the magnetization directions of the permanent magnets from left to right are upward, downward and downward, respectively, the coil is in the shape of two connected rectangles, the bottom of one of the rectangles is located directly above the two permanent magnets on the left, and the bottom of the other rectangle is located directly above the two permanent magnets on the right; the current flow in the two rectangles is in opposite directions. For example, as shown in FIG. 4, the direction of current flow in the left rectangle of the coil is counterclockwise, while the direction of current flow in the right rectangle is clockwise.
The driving principle of the coil shown in fig. 4 is similar to that of fig. 3, and thus will not be described herein.
For another example, preferably, as shown in fig. 5, in another embodiment of the present invention, when the cross section of the permanent magnet track includes 5 permanent magnets, and the magnetization directions of the permanent magnets from left to right are right, up, left, down and right, respectively, the coil is in the shape of two connected rectangles, wherein the bottom of one rectangle is located right above the two leftmost permanent magnets, and the bottom of the other rectangle is located right above the two rightmost permanent magnets; the current flow in the two rectangles is in opposite directions. For example, as shown in FIG. 5, the direction of current flow in the left rectangle of the coil is counterclockwise, while the direction of current flow in the right rectangle is clockwise.
The driving principle of the coil shown in fig. 5 is similar to that in fig. 3 and 4, and thus will not be described herein.
Preferably, the permanent magnet track 5 is mounted on the concrete structure 7 via a track pier 6.
In addition, preferably, in an embodiment of the present invention, the connection device 3 and the coil 4 are installed on the bogie 2 above the permanent magnet track 5 side by side with the high temperature superconducting levitation device 8.
To sum up, the technical scheme of the utility model on, with the coil setting on the bogie of automobile body below, permanent magnetism track top, make full use of high temperature superconductive magnetic suspension realize suspension, guide function's permanent magnetism track, make it become a part of actuating system. Through the organic combination of the two, the whole high-temperature superconducting magnetic suspension system is simplified, and the integration degree of the magnetic suspension system is integrally improved. Furthermore, the technical scheme of the utility model in not utilizing the synchronous linear electric motor technique of interchange that traditional magnetic suspension system used among the prior art, but utilize the mode that is similar to the ingenious combination of direct current linear electric motor fundamental principle and high temperature superconducting magnetic suspension, realize the towed novel drive mode of magnetic suspension car, consequently need not to lay the coil or additionally set up advancing device along the track, can show and reduce high temperature superconducting magnetic suspension system engineering cost level, practiced thrift the cost.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A propulsion device for a magnetic levitation vehicle, the propulsion device comprising: a connecting device and a coil;
the top of the connecting device is connected with the bottom of a bogie arranged below the vehicle body;
the coil is connected with the bottom of the connecting device; the coil is arranged right above the permanent magnet track.
2. The propulsion device of claim 1, wherein:
the permanent magnet track is installed on the concrete structure through the track buttress.
3. The propulsion device of claim 1, wherein:
the connecting device and the coil are arranged on the bogie above the permanent magnet track side by side with the high-temperature superconducting suspension device.
4. The propulsion device of claim 1, wherein:
when the section of the permanent magnet track comprises 4 permanent magnets, and the magnetization directions of the permanent magnets from left to right are right, upward and leftward respectively, the coil is rectangular, and the bottom of the coil is positioned right above the two permanent magnets in the middle; the direction of the current in the coil is counter-clockwise or clockwise.
5. The propulsion device of claim 1, wherein:
when the section of the permanent magnet track comprises 4 permanent magnets, and the magnetization directions of the permanent magnets from left to right are upward, downward and downward respectively, the coil is in the shape of two connected rectangles, wherein the bottom of one rectangle is positioned right above the two permanent magnets on the left, and the bottom of the other rectangle is positioned right above the two permanent magnets on the right; the current flow in the two rectangles is in opposite directions.
6. The propulsion device of claim 1, wherein:
when the section of the permanent magnet track comprises 5 permanent magnets, and the magnetization directions of the permanent magnets from left to right are respectively right, upward, leftward, downward and rightward, the coil is in the shape of two connected rectangles, wherein the bottom of one rectangle is positioned right above the two leftmost permanent magnets, and the bottom of the other rectangle is positioned right above the two rightmost permanent magnets; the current flow in the two rectangles is in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536533.XU CN210733859U (en) | 2019-04-19 | 2019-04-19 | Propelling device for magnetic suspension train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536533.XU CN210733859U (en) | 2019-04-19 | 2019-04-19 | Propelling device for magnetic suspension train |
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| Publication Number | Publication Date |
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| CN210733859U true CN210733859U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920536533.XU Active CN210733859U (en) | 2019-04-19 | 2019-04-19 | Propelling device for magnetic suspension train |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014848A (en) * | 2019-04-19 | 2019-07-16 | 西南交通大学 | A kind of propulsion device for magnetic suspension train |
| CN115837841A (en) * | 2023-01-03 | 2023-03-24 | 西南交通大学 | High-temperature superconducting magnetic suspension system and calculation method of coil size thereof |
-
2019
- 2019-04-19 CN CN201920536533.XU patent/CN210733859U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014848A (en) * | 2019-04-19 | 2019-07-16 | 西南交通大学 | A kind of propulsion device for magnetic suspension train |
| CN110014848B (en) * | 2019-04-19 | 2023-11-07 | 西南交通大学 | Propelling device for magnetic levitation train |
| CN115837841A (en) * | 2023-01-03 | 2023-03-24 | 西南交通大学 | High-temperature superconducting magnetic suspension system and calculation method of coil size thereof |
| CN115837841B (en) * | 2023-01-03 | 2023-04-28 | 西南交通大学 | High-temperature superconducting magnetic suspension system and coil size calculation method thereof |
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