Active and passive hybrid damping control system and high-speed flying train

Abstract

The present invention relates to the field of maglev technology, and discloses an active and passive hybrid damping control system and a high-speed flying train. Among them, the system includes an 8-shaped coil, a passive damping coil, current leads, an active damping coil, and a superconducting magnet. The 8-shaped coil is arranged on the track, the passive damping coil and the superconducting magnet are arranged on the vehicle body of the high-speed flying train corresponding to the 8-shaped coil, and the center line of the superconducting magnet sinks a predetermined height relative to the center line of the 8-shaped coil. The current leads are connected to the active damping coil and are used to pass current into the active damping coil. The active damping coil is arranged on the surface of the superconducting magnet. Thus, the problem of insufficient passive damping is solved, and the problem of energy consumption of full active damping is improved.

Description

Technical Field

[0001] The present invention relates to the field of maglev technology, and particularly to an active and passive hybrid damping control system and a high-speed flying train. Background Art

[0002] With the development of urban transportation, rail transit has been committed to improving speed. In the process of high-speed development of traditional wheeled railways, problems such as adhesion limitation and contact current collection are faced. To build ultra-high-speed rail transit facilities between cities, maglev technology has emerged. Ultra-high-speed maglev technology has the advantages of saving time, ensuring punctuality, low pollution, and saving energy. Germany and Japan are continuously developing the practical application of maglev, and 8-shaped coils are applied in maglev technology. However, due to the discontinuous current of the 8-shaped coil, the high-speed running of the train is accompanied by vehicle body vibration, which affects the riding comfort. To improve the stability of the train, a suitable damping method needs to be selected.

[0003] Damping methods are divided into active damping and passive damping. Passive damping does not require power supply and saves energy. However, if the passive damping is insufficient, the expected damping effect cannot be produced. In this regard, Japan has proposed an active damping system with an on-vehicle power supply. However, such an active damping system has the problem of consuming energy. Summary of the Invention

[0004] The present invention provides an active and passive hybrid damping control system and a high-speed flying train, which can solve the technical problems in the prior art.

[0005] The present invention provides an active and passive hybrid damping control system, wherein the system includes an 8-shaped coil, a passive damping coil, a current lead, an active damping coil, and a superconducting magnet. The 8-shaped coil is arranged on the track, and the passive damping coil and the superconducting magnet are arranged on the vehicle body of the high-speed flying train corresponding to the 8-shaped coil. The center line of the superconducting magnet sinks a predetermined height relative to the center line of the 8-shaped coil. The current lead is connected to the active damping coil and is used to pass current into the active damping coil. The active damping coil is arranged on the surface of the superconducting magnet.

[0006] Preferably, the center line of the passive damping coil coincides with the center line of the 8-shaped coil.

[0007] Preferably, the passive damping coil is arranged on the inner wall of the vehicle body of the high-speed flying train corresponding to the 8-shaped coil.

[0008] Preferably, a predetermined distance is provided between the superconducting magnet and the passive damping coil arranged on the inner wall of the vehicle body of the high-speed flying train.

[0009] Preferably, the passive damping coil is disposed on the outer wall of the vehicle body of the high-speed flying train corresponding to the figure-eight coil.

[0010] The present invention also provides a high-speed flying train, which includes the above-mentioned active and passive hybrid damping control system.

[0011] Through the above technical solution, the active damping coil and the passive damping coil can be hybridly disposed. When the passive damping is insufficient, the active damping can be adopted, and through the current supplement method, the effects of vehicle body shock absorption and improvement of riding comfort are achieved. Compared with the passive damping, the present invention makes up for the problem of insufficient damping; compared with the active damping, the present invention has the advantages of less power consumption and energy saving. Description of the Drawings

[0012] The included drawings are used to provide a further understanding of the embodiments of the present invention, which form a part of the specification, are used to illustrate the embodiments of the present invention, and are used to explain the principles of the present invention together with the written description. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 FIG. is a schematic diagram of an active and passive hybrid damping control system according to an embodiment of the present invention;

[0014] Figure 2 FIG. is a multi-damping coil topology diagram of an active and passive hybrid damping control system according to an embodiment of the present invention;

[0015] Figure 3 FIG. is a single-damping coil topology diagram of an active and passive hybrid damping control system according to an embodiment of the present invention;

[0016] Figure 4 FIG. is a schematic diagram of another active and passive hybrid damping control system according to an embodiment of the present invention;

[0017] Figure 5 FIG. is a multi-damping coil topology diagram of another active and passive hybrid damping control system according to an embodiment of the present invention.

[0018] Description of the Reference Numerals

[0019] 1 figure-eight coil; 2 passive damping coil; 3 current lead;

[0020] 4 active damping coil; 5 superconducting magnet; 6 vehicle body. Detailed Embodiments

[0021] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way limits the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present invention.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0023] Unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions, and values set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the authorized specification. In all the examples shown and discussed here, any specific value should be interpreted as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0024] Figure 1 It is a schematic diagram of an active and passive hybrid damping control system according to an embodiment of the present invention.

[0025] Figure 2 It is a multi-damping coil topology diagram of an active and passive hybrid damping control system according to an embodiment of the present invention.

[0026] Figure 3 It is a single-damping coil topology diagram of an active and passive hybrid damping control system according to an embodiment of the present invention.

[0027] As Figures 1-3As shown in the figure, an embodiment of the present invention provides an active and passive hybrid damping control system. The system includes an eight-shaped coil 1, a passive damping coil 2, a current lead 3, an active damping coil 4, and a superconducting magnet 5. The eight-shaped coil 1 is arranged on the track. The passive damping coil 2 and the superconducting magnet 5 are arranged on the vehicle body 6 of the high-speed flying train corresponding to the eight-shaped coil 1, and the center line of the superconducting magnet 5 sinks a predetermined height relative to the center line of the eight-shaped coil 1. The current lead 3 is connected to the active damping coil 4 and is used to pass current into the active damping coil 4. The active damping coil 4 is arranged on the surface of the superconducting magnet 5.

[0028] Through the above technical solution, the active damping coil and the passive damping coil can be hybridly arranged. When the passive damping is insufficient, active damping can be adopted, and through the current supplement method, the effects of vehicle body shock absorption and improved riding comfort are achieved. Compared with passive damping, the present invention makes up for the problem of insufficient damping; compared with active damping, the present invention has the advantages of less power consumption and energy saving.

[0029] More specifically, in this embodiment, the passive damping coil 2, the active damping coil 4, and the superconducting magnet 5 are all arranged on the vehicle body of the high-speed flying train and move with the movement of the vehicle body. As the vehicle body vibrates up and down, an induced current is generated in the passive damping coil 2, and interacts with the current in the eight-shaped coil 1 to generate a damping force. The active damping coil 4 can be arranged on the surface of the superconducting magnet 5 by pasting. When the passive damping is insufficient, a corresponding current can be passed into the active damping coil to control the stable operation of the train, thereby realizing the function of vehicle body shock absorption.

[0030] For example, the following method can be used to determine whether the passive damping is insufficient: Use a laser displacement sensor to measure the vibration displacement of the vehicle body. When the vibration displacement of the vehicle body exceeds the expected set value, it is determined that the passive damping is insufficient. At this time, a current in the same (or opposite) direction as the superconducting magnet 5 can be passed into the active damping coil 4 to control the stable operation of the train and play the role of vehicle body shock absorption.

[0031] That is, for the superconducting magnet side, the source magnetic field generated by the superconducting magnet can be weakened (or enhanced) to enhance (or weaken) the damping force, so as to achieve the effect of stable operation of the vehicle body.

[0032] Those skilled in the art should understand that the above method using a laser displacement sensor is only exemplary and is not used to limit the present invention.

[0033] According to an embodiment of the present invention, the center line of the passive damping coil 2 coincides with the center line of the eight-shaped coil 1.

[0034] That is, when the superconducting magnet is at the stable suspension height, the horizontal center line of the passive damping coil 2 coincides with the horizontal center line of the figure-eight coil 1.

[0035] Thereby, the damping coefficient is effectively increased, and the utilization rate of the damping coil material is improved.

[0036] According to an embodiment of the present invention, the passive damping coil 2 is disposed on the inner wall of the vehicle body 6 of the high-speed flying train corresponding to the figure-eight coil 1.

[0037] According to an embodiment of the present invention, there is a predetermined distance between the superconducting magnet 5 and the passive damping coil 2 disposed on the inner wall of the vehicle body 6 of the high-speed flying train.

[0038] Since the superconducting magnet 5 itself can be provided with a heat insulation layer (for example, a Dewar), the superconducting magnet 5 is not affected by the heat generated by the damping coil and the figure-eight coil. And setting a predetermined distance between the superconducting magnet 5 and the passive damping coil 2 can further avoid the influence of the heat generated by the damping coil and the figure-eight coil on the superconducting magnet 5.

[0039] According to an alternative embodiment of the present invention, the passive damping coil 2 is disposed on the outer wall of the vehicle body 6 of the high-speed flying train corresponding to the figure-eight coil 1.

[0040] Since the presence of induced eddy currents in the damping coil causes the damping coil to heat up, by disposing the damping coil on the outside of the vehicle body, the problem of difficult heat dissipation in the vehicle body can be effectively avoided.

[0041] Those skilled in the art should understand that although one superconducting magnet covering three figure-eight coils is shown in the drawings, it is merely exemplary and not intended to limit the present invention.

[0042] Figure 4 Schematic diagram of another active and passive hybrid damping control system according to an embodiment of the present invention;

[0043] Figure 5 Multi-damping coil topological structure diagram of another active and passive hybrid damping control system according to an embodiment of the present invention.

[0044] As Figures 4-5As shown in the figure, the embodiment of the present invention further provides another active and passive hybrid damping control system. In this system, it includes an eight-shaped coil 1, a passive damping coil 2, a current lead 3, an active damping coil 4, and a superconducting magnet 5. The eight-shaped coil 1 is arranged on the track. The passive damping coil 2 and the superconducting magnet 5 are arranged on the vehicle body 6 of the high-speed flying train corresponding to the eight-shaped coil 1, and the center line of the superconducting magnet 5 sinks a predetermined height relative to the center line of the eight-shaped coil 1. The current lead 3 is connected to the active damping coil 4 and is used to pass current into the active damping coil 4. The active damping coil 4 is arranged on the surface of the passive damping coil 2.

[0045] Through the above technical solution, the active damping coil and the passive damping coil can be hybridly arranged. In the case where the passive damping is insufficient, active damping can be adopted, and through the current supplement method, effects such as vehicle body shock absorption and improvement of riding comfort are achieved. Compared with passive damping, the present invention makes up for the problem of insufficient damping; compared with active damping, the present invention has the advantages of less power consumption and energy saving.

[0046] More specifically, in this embodiment, the passive damping coil 2, the active damping coil 4, and the superconducting magnet 5 are all arranged on the vehicle body of the high-speed flying train and move with the movement of the vehicle body. As the vehicle body vibrates up and down, an induced current is generated in the passive damping coil 2, and interacts with the current in the eight-shaped coil 1 to generate a damping force. The active damping coil 4 can be arranged on the surface of the passive damping coil 2 by pasting. In the case where the passive damping is insufficient, an appropriate current can be passed into the active damping coil to control the stable operation of the train, thereby realizing the function of vehicle body shock absorption (that is, the active damping coil is attached to the passive damping coil. When the damping force is insufficient, the active damping coil is energized in time to supplement the damping force, achieving the effect of suppressing the vibration of the vehicle body).

[0047] For example, the following method can be used to determine whether the passive damping is insufficient: Use a laser displacement sensor to measure the vibration displacement of the vehicle body. When the vibration displacement of the vehicle body exceeds the expected set value, it is determined that the passive damping is insufficient. At this time, an appropriate current can be passed into the active damping coil 4, thereby increasing (or weakening) the induced magnetic field generated by the induced current of the damping coil, effectively controlling the magnitude of the damping force, and further effectively suppressing the vibration of the vehicle body.

[0048] That is, for the damping coil side, the magnetic field induced by the damping coil is enhanced (or weakened), thereby enhancing (or weakening) the damping force and achieving the effect of stable operation of the vehicle body.

[0049] Those skilled in the art should understand that the above method using a laser displacement sensor is only exemplary and is not used to limit the present invention.

[0050] According to an embodiment of the present invention, the center line of the passive damping coil 2 coincides with the center line of the figure-eight coil 1.

[0051] That is, when the superconducting magnet is at the stable suspension height, the horizontal center line of the passive damping coil 2 coincides with the horizontal center line of the figure-eight coil 1.

[0052] Thereby, the damping coefficient is effectively increased, and the utilization rate of the damping coil material is improved.

[0053] According to an embodiment of the present invention, the passive damping coil 2 is disposed on the inner wall of the vehicle body 6 of the high-speed flying train corresponding to the figure-eight coil 1.

[0054] According to an embodiment of the present invention, a predetermined distance is provided between the superconducting magnet 5 and the passive damping coil 2 disposed on the inner wall of the vehicle body 6 of the high-speed flying train.

[0055] Since the superconducting magnet 5 itself can be provided with a heat insulation layer (for example, a Dewar), the superconducting magnet 5 is not affected by the heat generated by the damping coil and the figure-eight coil. And setting a predetermined distance between the superconducting magnet 5 and the passive damping coil 2 can further avoid the influence of the heat generated by the damping coil and the figure-eight coil on the superconducting magnet 5.

[0056] According to an embodiment of the present invention, alternatively, the passive damping coil 2 is disposed on the outer wall of the vehicle body 6 of the high-speed flying train corresponding to the figure-eight coil 1.

[0057] Since the induced eddy current in the damping coil will cause the damping coil to heat up, by disposing the damping coil on the outside of the vehicle body, the problem of difficult heat dissipation in the vehicle body can be effectively avoided.

[0058] An embodiment of the present invention further provides a high-speed flying train, wherein the train includes the active and passive hybrid damping control system described in the above embodiment.

[0059] As can be seen from the above embodiments, the system described in the above embodiments of the present invention not only solves the problem of insufficient passive damping, but also improves the problem of energy consumption of the fully active damping.

[0060] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by orientation words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. Without contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present invention; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0061] For the convenience of description, spatial relative terms such as "above...", "over...", "on the upper surface of...", "upper" etc. can be used here to describe the spatial positional relationship between a device or feature shown in the figure and other devices or features. It should be understood that the spatial relative terms are intended to include different orientations in use or operation other than the orientation described in the figure for the device. For example, if the device in the drawing is inverted, the device described as "above other devices or structures" or "over other devices or structures" will then be positioned as "below other devices or structures" or "under other devices or structures". Thus, the exemplary term "above..." can include both the orientations of "above..." and "below...". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding interpretations should be made for the spatial relative descriptions used here.

[0062] In addition, it should be noted that the use of words such as "first", "second" etc. to limit components is only for the convenience of distinguishing the corresponding components. Without otherwise stated, the above words have no special meaning. Therefore, it should not be construed as a limitation on the protection scope of the present invention.

[0063] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An active and passive hybrid damping control system, characterized in that, the system includes an eight-shaped coil (1), a passive damping coil (2), current leads (3), an active damping coil (4) and a superconducting magnet (5). The eight-shaped coil (1) is arranged on the track. The passive damping coil (2) and the superconducting magnet (5) are arranged on the vehicle body (6) of the high-speed flying train corresponding to the eight-shaped coil (1), and the center line of the superconducting magnet (5) sinks a predetermined height relative to the center line of the eight-shaped coil (1). The current leads (3) are connected to the active damping coil (4) and are used to pass current into the active damping coil (4). The active damping coil (4) is arranged on the surface of the superconducting magnet (5), and the center line of the passive damping coil (2) coincides with the center line of the eight-shaped coil (1).

2. The system according to claim 1, characterized in that, the passive damping coil (2) is arranged on the inner wall of the vehicle body (6) of the high-speed flying train corresponding to the eight-shaped coil (1).

3. The system according to claim 2, characterized in that, a predetermined distance is provided between the superconducting magnet (5) and the passive damping coil (2) arranged on the inner wall of the vehicle body (6) of the high-speed flying train.

4. The system according to claim 1, characterized in that, the passive damping coil (2) is arranged on the outer wall of the vehicle body (6) of the high-speed flying train corresponding to the eight-shaped coil (1).

5. A high-speed flying train, characterized in that, it includes the active and passive hybrid damping control system according to any one of claims 1-4 above.

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