CN216268709U - Suspension system of magnetic suspension train - Google Patents
Suspension system of magnetic suspension train Download PDFInfo
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- CN216268709U CN216268709U CN202123109055.0U CN202123109055U CN216268709U CN 216268709 U CN216268709 U CN 216268709U CN 202123109055 U CN202123109055 U CN 202123109055U CN 216268709 U CN216268709 U CN 216268709U
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Abstract
The application discloses maglev train's suspension system, including suspension controller, suspension sensor and at least one mix the magnetic electromagnet, the suspension controller is connected with suspension sensor, mix the magnetic electromagnet respectively. The suspension sensor is used for outputting a gap signal and an acceleration signal; the suspension controller is used for receiving the suspension command, the gap signal and the acceleration signal and outputting exciting current to the mixed magnetic electromagnet based on the suspension command; the mixed magnetic electromagnet is arranged on the bogie and comprises a permanent magnet and an electromagnet, the permanent magnet is used for generating a first magnetic field, the electromagnet is used for generating a second magnetic field based on exciting current, and a superposed magnetic field formed by the first magnetic field and the second magnetic field is used for driving the vehicle body to suspend. The permanent magnet in the mixed magnetic electromagnet provides main suspension force, so that the power required by the electromagnet is reduced, the overall power consumption of the suspension system is reduced, and the running cost of the vehicle is obviously reduced.
Description
Technical Field
The present application relates to the field of high speed railway technology, and more particularly to a levitation system for a magnetic levitation train.
Background
Magnetic levitation trains are one of the future high-speed train solutions, which utilize a magnetic field to achieve levitation and travel of train bodies on a track, and can achieve very smooth operation because the levitated train bodies do not contact the track. The magnetic field of the lifted magnetic suspension train is realized based on the electromagnetic conversion principle, so that a suspension system for realizing the electromagnetic conversion is an important energy consumption component of the magnetic suspension train, and the whole train running cost of the magnetic suspension train can be reduced if the energy consumption of the component can be reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides a levitation system of a magnetic levitation train, which is used for reducing the overall running cost of the magnetic levitation train.
In order to achieve the above object, the following solutions are proposed:
the suspension system of the magnetic suspension train comprises a suspension controller, a suspension sensor and at least one mixed magnetic electromagnet, wherein the suspension controller is respectively connected with the suspension sensor and the mixed magnetic electromagnet, and the suspension system comprises:
the suspension sensor is arranged on a bogie of the magnetic suspension train and is used for measuring a gap between an electromagnet pole plate of the magnetic suspension train and a track and the acceleration of the magnetic suspension train to obtain and output a gap signal and an acceleration signal;
the suspension controller is provided with a first data interface, a second data interface and a driving output end, the first data interface is connected with a main control device of the magnetic suspension train and used for receiving a suspension instruction, the second data interface is connected with a signal output end of the suspension sensor and used for receiving the gap signal and/or the acceleration signal, and the driving output end is connected with the mixed magnetic electromagnet and used for outputting exciting current to the mixed magnetic electromagnet;
the mixed magnetic electromagnet is arranged on the bogie and comprises a permanent magnet and an electromagnet, the permanent magnet is used for generating a first magnetic field, the electromagnet is used for generating a second magnetic field based on the exciting current, and the superposed magnetic field of the first magnetic field and the second magnetic field is used for driving the vehicle body to suspend and advance.
Optionally, the levitation sensor is further configured to output a gap fault signal to the levitation controller when a gap fault occurs.
Optionally, the number of the drive output ends is two, the number of the mixed magnetic electromagnets is two, and each mixed magnetic electromagnet is used for being connected with one drive output end.
Optionally, the electromagnet comprises a magnet core and an electromagnetic coil mounted on two pole plates, wherein:
the electromagnetic coil is wound on the magnet iron core, and the permanent magnet is attached to the magnet iron core or the electromagnetic coil.
Optionally, the mixed magnetic electromagnet includes four permanent magnets and four electromagnets, and each permanent magnet and the corresponding electromagnet are mounted together.
Optionally, the floating controller is composed of a silicon carbide power device and a plurality of auxiliary devices.
According to the technical scheme, the suspension system of the magnetic suspension train comprises a suspension controller, a suspension sensor and at least one mixed magnetic electromagnet, wherein the suspension controller is respectively connected with the suspension sensor and the mixed magnetic electromagnet. The suspension sensor is used for outputting a gap signal and an acceleration signal; the suspension controller is used for receiving the suspension command, the gap signal and the acceleration signal and outputting exciting current to the mixed magnetic electromagnet based on the suspension command; the mixed magnetic electromagnet is arranged on the bogie and comprises a permanent magnet and an electromagnet, the permanent magnet is used for generating a first magnetic field, the electromagnet is used for generating a second magnetic field based on exciting current, and a superposed magnetic field formed by the first magnetic field and the second magnetic field is used for driving the vehicle body to suspend and move forwards. The permanent magnet in the mixed magnetic electromagnet provides main suspension force, so that the power required by the electromagnet is reduced, the overall power consumption of the suspension system is reduced, and the running cost of the vehicle is obviously reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a levitation system of a magnetic levitation train according to an embodiment of the present application;
FIG. 2 is a general schematic diagram of a mixed magnetic electromagnet of a levitation sensor of a levitation system according to an embodiment of the present application;
FIG. 3 is a front view of a mixed magnetic electromagnet of a levitation sensor of a levitation system of an embodiment of the present application;
FIG. 4 is a top view of a mixed magnetic electromagnet of a levitation sensor of a levitation system according to an embodiment of the present application;
fig. 5 is a circuit diagram of a levitation controller of a levitation system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
Examples
Fig. 1 is a block diagram of a levitation system of a magnetic levitation vehicle according to an exemplary embodiment of the present invention.
As shown in fig. 1, the levitation system provided by the present embodiment is applied to a bogie of a magnetic levitation vehicle, and is used for providing levitation supporting force and traveling driving force for the magnetic levitation vehicle, and the levitation system includes a levitation controller 10, and a levitation sensor 20 and a mixed magnetic electromagnet 30, which are respectively connected to the levitation controller.
The suspension sensor is arranged on a bogie of the magnetic suspension train and is used for obtaining corresponding gap signals and acceleration signals for gap signals between the magnetic suspension train and a track and acceleration of the magnetic suspension train. The power supply of the suspension sensor is DC 24V, the output signal of the suspension sensor is a digital signal, and the suspension sensor comprises five channels, namely three channels of gap signal output and two channels of acceleration signal output.
In addition, the suspension sensor is also used for outputting a clearance fault signal when the clearance is in fault, namely, the corresponding fault channel outputs a fault code 0 to the suspension controller.
The suspension controller is provided with a first data interface 11, a second data interface 12 and a corresponding driving output end 13, the first data interface is used for connecting a main control device 100 of the magnetic suspension train, the main control device is not included in the technical scheme and is an upper computer of the scheme and used for outputting a suspension instruction to the first data interface. The second data interface is connected with the signal output end of the suspension sensor and used for receiving the gap signal and the acceleration signal, processing the gap signal and the acceleration signal based on the suspension instruction, and outputting exciting current to the mixed magnetic electromagnet through the driving output end according to the processing result.
The two driving signal output ends respectively output exciting currents to the two mixed magnetic electromagnets. Through the suspension support and the drive of a plurality of mixed magnetic electromagnets on the whole vehicle, the vehicle is ensured to stably pass through rail gaps, horizontal curves, vertical curves, ramps and turnouts.
The floating controller is composed of a silicon carbide power device and a plurality of auxiliary devices. The silicon carbide power device has the characteristic of low loss, and the suspension controller can reduce the power consumption of the suspension controller by adopting the silicon carbide power device, so that the suspension controller can reliably operate for a long time, and the reliability of a suspension system is improved. In addition, the silicon carbide power device also has a high-frequency characteristic, the capacity of the inductor in the suspension controller is in inverse proportion to the frequency, and the suspension controller adopts the silicon carbide power device, so that the working frequency of the suspension controller can be improved, and the weight and the volume of the inductor in the suspension controller are reduced, so that the weight of the suspension controller is reduced, the power consumption of a suspension system is further reduced, and the long-time reliable operation of the suspension system is facilitated.
The mixed magnetic electromagnet is arranged on the bogie and comprises a permanent magnet and an electromagnet, the permanent magnet is used for generating a first magnetic field, the electromagnet is used for generating a second magnetic field based on exciting current, and a superposed magnetic field obtained by mutually superposing the first magnetic field and the second magnetic field can drive the vehicle body to suspend and advance. The electromagnet comprises a magnet iron core and an electromagnetic coil which are arranged on the two pole plates, wherein the electromagnetic coil is wound on the magnet iron core, and the permanent magnet is attached to the magnet iron core or the electromagnetic coil. In order to obtain a stable magnetic field and a large driving force, the mixed-magnetic electromagnet comprises four permanent magnets and four electromagnets, and each permanent magnet is installed together with the corresponding electromagnet.
The mixed magnetic electromagnet is an execution component in a suspension system, and the mixed magnetic electromagnet adopts an excitation mode of mixing permanent magnet and electromagnet, so that the permanent magnet is attached to the electromagnetic coil or the iron core of the electromagnet, and the permanent magnet and the electromagnetic coil are fused into an integral device. The permanent magnets of the mixed magnetic electromagnet generate different suspension forces under different air gaps, and the suspension control system enables the magnetic suspension train to stably suspend on the track by adjusting the size and the direction of the exciting current of the electromagnetic coil. And simultaneously, the suspension and guide functions of the vehicle are realized.
When the suspension system is stably suspended, the permanent magnets in the mixed magnetic electromagnets provide main suspension force, so that the power required by the electromagnets is reduced, the overall power consumption of the suspension system is reduced, and the suspension system can reliably operate for a long time. The general schematic diagram of the hybrid electromagnet in the present application is shown in fig. 2, the front view thereof is shown in fig. 3, and the top view thereof is shown in fig. 4.
According to the technical scheme, the embodiment provides a suspension system of a magnetic suspension train, which comprises a suspension controller, a suspension sensor and at least one mixed magnetic electromagnet, wherein the suspension controller is respectively connected with the suspension sensor and the mixed magnetic electromagnet. The suspension sensor is used for outputting a gap signal and an acceleration signal; the suspension controller is used for receiving the suspension command, the gap signal and the acceleration signal and outputting exciting current to the mixed magnetic electromagnet based on the suspension command; the mixed magnetic electromagnet is arranged on the bogie and comprises a permanent magnet and an electromagnet, the permanent magnet is used for generating a first magnetic field, the electromagnet is used for generating a second magnetic field based on exciting current, and a superposed magnetic field formed by the first magnetic field and the second magnetic field is used for driving the vehicle body to suspend and move forwards. The permanent magnet in the mixed magnetic electromagnet provides main suspension force, so that the power required by the electromagnet is reduced, the overall power consumption of the suspension system is reduced, and the running cost of the vehicle is obviously reduced.
The floating controller is composed of a silicon carbide power device and a plurality of auxiliary devices. The silicon carbide power device has the characteristic of low loss, and the suspension controller can reduce the power consumption of the suspension controller by adopting the silicon carbide power device, so that the suspension controller can reliably operate for a long time, and the reliability of a suspension system is improved. The circuit diagram of the levitation controller is shown in fig. 5.
In addition, the silicon carbide power device also has a high-frequency characteristic, the capacity of the inductor in the suspension controller is in inverse proportion to the frequency, and the suspension controller adopts the silicon carbide power device, so that the working frequency of the suspension controller can be improved, and the weight and the volume of the inductor in the suspension controller are reduced, so that the weight of the suspension controller is reduced, the power consumption of a suspension system is further reduced, and the long-time reliable operation of the suspension system is facilitated.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The technical solutions provided by the present application are introduced in detail, and specific examples are applied in the description to explain the principles and embodiments of the present application, and the descriptions of the above examples are only used to help understanding the method and the core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (6)
1. The suspension system of the magnetic suspension train is characterized by comprising a suspension controller, a suspension sensor and at least one mixed magnetic electromagnet, wherein the suspension controller is respectively connected with the suspension sensor and the mixed magnetic electromagnet, and the suspension system comprises:
the suspension sensor is arranged on a bogie of the magnetic suspension train and is used for measuring a gap between an electromagnet pole plate of the magnetic suspension train and a track and the acceleration of the magnetic suspension train to obtain and output a gap signal and an acceleration signal;
the suspension controller is provided with a first data interface, a second data interface and a driving output end, the first data interface is connected with a main control device of the magnetic suspension train and used for receiving a suspension instruction, the second data interface is connected with a signal output end of the suspension sensor and used for receiving the gap signal and/or the acceleration signal, and the driving output end is connected with the mixed magnetic electromagnet and used for outputting exciting current to the mixed magnetic electromagnet;
the mixed magnetic electromagnet is arranged on the bogie and comprises a permanent magnet and an electromagnet, the permanent magnet is used for generating a first magnetic field, the electromagnet is used for generating a second magnetic field based on the exciting current, and the superposed magnetic field of the first magnetic field and the second magnetic field is used for driving the vehicle body to suspend.
2. The levitation system of claim 1, wherein the levitation sensor is further configured to output a gap fault signal to the levitation controller when a gap fault occurs.
3. The suspension system of claim 1 wherein there are two drive outputs and two mixed magnetic electromagnets, each mixed magnetic electromagnet for coupling to one of said drive outputs.
4. The suspension system of claim 1, wherein the electromagnet comprises a magnet core and an electromagnetic coil mounted on two pole plates, wherein:
the electromagnetic coil is wound on the magnet iron core, and the permanent magnet is attached to the magnet iron core or the electromagnetic coil.
5. The suspension system of claim 4, wherein the mixed magnetic electromagnet comprises four permanent magnets and four electromagnets, each permanent magnet mounted with a corresponding electromagnet.
6. The levitation system of claim 1, wherein the levitation controller is comprised of a silicon carbide power device and a plurality of auxiliary devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123109055.0U CN216268709U (en) | 2021-12-10 | 2021-12-10 | Suspension system of magnetic suspension train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123109055.0U CN216268709U (en) | 2021-12-10 | 2021-12-10 | Suspension system of magnetic suspension train |
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| Publication Number | Publication Date |
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| CN216268709U true CN216268709U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123109055.0U Active CN216268709U (en) | 2021-12-10 | 2021-12-10 | Suspension system of magnetic suspension train |
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| CN (1) | CN216268709U (en) |
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2021
- 2021-12-10 CN CN202123109055.0U patent/CN216268709U/en active Active
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