CN214689056U - Active and passive hybrid damping control system and high-speed flying train - Google Patents
Active and passive hybrid damping control system and high-speed flying train Download PDFInfo
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- CN214689056U CN214689056U CN202020291343.9U CN202020291343U CN214689056U CN 214689056 U CN214689056 U CN 214689056U CN 202020291343 U CN202020291343 U CN 202020291343U CN 214689056 U CN214689056 U CN 214689056U
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Abstract
The utility model relates to a magnetic suspension technical field discloses an initiative and passive hybrid damping control system and high-speed flying train. The system comprises an 8-shaped coil, a passive damping coil, a current lead, an active damping coil and a superconducting magnet, wherein the 8-shaped coil is arranged on a track, the passive damping coil and the superconducting magnet are arranged on a train body of a high-speed flying train corresponding to the 8-shaped coil, the center line of the superconducting magnet sinks to a preset height relative to the center line of the 8-shaped coil, the current lead is connected with the active damping coil and used for supplying current to the active damping coil, and the active damping coil is arranged on the surface of the passive damping coil. Therefore, the problem of insufficient passive damping is solved, and the problem of energy consumption of full-active damping is improved.
Description
Technical Field
The utility model relates to a magnetic suspension technical field especially relates to an initiative and passive hybrid damping control system and high-speed flying train.
Background
With the development of urban traffic nowadays, rail transit is always dedicated to speed increase. In the process of speeding up the traditional wheel type railway, the problems of adhesion force limitation, contact current collection and the like are faced. The magnetic suspension technology is suitable for construction of ultrahigh-speed rail traffic facilities among cities. The ultra-high speed magnetic levitation technology has the advantages of time saving, timing performance assurance, low pollution, energy saving and the like, and germany and japan are constantly developing practical magnetic levitation, and 8-shaped coils are applied to the magnetic levitation technology. However, since the current of the 8-coil is discontinuous, the high-speed running of the train is accompanied by the vibration of the train body, the riding comfort is affected, and an appropriate damping mode needs to be selected to improve the stability of the train.
The damping modes are classified into active damping and passive damping. The passive damping does not need power supply, thereby saving energy. However, if the passive damping is insufficient, the desired damping effect cannot be produced, and for this reason, an active damping system for a vehicle-mounted power supply is proposed in japan. However, such active damping systems have the problem of consuming energy.
SUMMERY OF THE UTILITY MODEL
The utility model provides an initiative and passive hybrid damping control system and high-speed flying train can solve the technical problem among the prior art.
The utility model provides an initiative and passive hybrid damping control system, wherein, this system includes 8 word coils, passive damping coil, current lead, active damping coil and superconducting magnet, 8 word coils set up on the track, passive damping coil with the superconducting magnet corresponds to 8 word coils set up on the automobile body of high-speed flying train, just the central line of superconducting magnet for 8 word coils's central line sinks predetermined height, the current lead with active damping coil is connected and is used for doing active damping coil lets in electric current, active damping coil sets up passive damping coil surface.
Preferably, the center line of the passive damping coil coincides with the center line of the figure-8 coil.
Preferably, the passive damping coil is arranged on the inner wall of the train body of the high-speed flying train corresponding to the 8-shaped coil.
Preferably, the superconducting magnet is spaced from the passive damping coil on the inner wall of the train body of the high-speed flying train by a predetermined distance.
Preferably, the passive damping coil is arranged on the outer wall of the train body of the high-speed flying train corresponding to the 8-shaped coil.
The utility model also provides a high-speed flying train, wherein, including foretell initiative and passive hybrid damping control system.
Through above-mentioned technical scheme, can mix active damping coil and passive form damping coil and set up, in the insufficient condition of passive form damping, can adopt active damping, through the electric current supplementary mode, reached the automobile body shock attenuation, improved effect such as comfort level of riding. Compared with passive damping, the utility model makes up the problem of insufficient damping; compared with active damping, the utility model has the advantages of low power consumption, energy saving, etc.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic diagram of an active and passive hybrid damping control system according to an embodiment of the present invention;
fig. 2 is a diagram of a multi-damping coil topology of an active and passive hybrid damping control system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an active and passive hybrid damping control system according to an embodiment of the present invention;
fig. 4 is a diagram of a multi-damping coil topology of an active and passive hybrid damping control system according to an embodiment of the present invention;
fig. 5 is a topological structure diagram of a single damping coil of an active and passive hybrid damping control system according to an embodiment of the present invention.
Description of the reference numerals
A 18-word coil; 2, a passive damping coil; 3, a current lead;
4 active damping coil; 5 a superconducting magnet; 6 vehicle body.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic diagram of an active and passive hybrid damping control system according to an embodiment of the present invention;
fig. 2 is a multi-damping coil topology structure diagram of an active and passive hybrid damping control system according to an embodiment of the present invention.
As shown in fig. 1-2, the embodiment of the present invention provides an active and passive hybrid damping control system, wherein the system includes a 8-shaped coil 1, a passive damping coil 2, a current lead 3, an active damping coil 4 and a superconducting magnet 5, the 8-shaped coil 1 is disposed on a track, the passive damping coil 2 and the superconducting magnet 5 correspond to the 8-shaped coil 1 is disposed on a vehicle body 6 of a high-speed flying train, and a center line of the superconducting magnet 5 sinks to a predetermined height relative to a center line of the 8-shaped coil 1, the current lead 3 is connected with the active damping coil 4 and is used for supplying current to the active damping coil 4, and the active damping coil 4 is disposed on a surface of the passive damping coil 2.
Through above-mentioned technical scheme, can mix active damping coil and passive form damping coil and set up, in the insufficient condition of passive form damping, can adopt active damping, through the electric current supplementary mode, reached the automobile body shock attenuation, improved effect such as comfort level of riding. Compared with passive damping, the utility model makes up the problem of insufficient damping; compared with active damping, the utility model has the advantages of low power consumption, energy saving, etc.
More specifically, in this embodiment, the passive damping coil 2, the active damping coil 4 and the superconducting magnet 5 are all disposed 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, induced current is generated in the passive damping coil 2 and interacts with current in the 8-shaped coil 1 to generate damping force. Active damping coil 4 can set up on passive form damping coil 2 surfaces through pasting the mode, under the insufficient condition of passive form damping, can let in corresponding electric current in active damping coil and control the train steady operation to realize the function of automobile body shock attenuation (promptly, active damping coil and passive form damping coil laminate mutually, when damping force is not enough, active damping coil circular telegram is in order to supply damping force in time, reaches the effect of restraining the automobile body vibration).
For example, whether the passive damping is insufficient can be judged as follows: the laser displacement sensor is used for measuring the vibration displacement of the vehicle body, when the vibration displacement of the vehicle body exceeds an expected set value, the situation that passive damping is insufficient is judged, and at the moment, appropriate current can be introduced into the active damping coil 4, so that an induced magnetic field generated by induced current of the damping coil is increased (or weakened), the damping force is effectively controlled, and the vibration of the vehicle body is effectively inhibited.
That is, the magnetic field induced by the damping coil is enhanced (or weakened) for the damping coil side, so that the damping force is enhanced (or weakened), and the effect of stable operation of the vehicle body is achieved.
It will be understood by those skilled in the art that the above-described manner of using a laser displacement sensor is merely exemplary and is not intended to limit the present invention.
According to the utility model relates to an embodiment, the central line of passive damping coil 2 with the coincidence of the central line of 8 word coils 1.
That is, when the superconducting magnet is at a stable levitation height, the horizontal center line of the passive damping coil 2 coincides with the horizontal center line of the 8-word coil 1.
Therefore, the damping coefficient is effectively increased, and the utilization rate of the damping coil material is improved.
According to the utility model relates to an embodiment, passive damping coil 2 corresponds to 8 word coil 1 sets up on the inner wall of high-speed flying train's automobile body 6.
According to the utility model discloses an embodiment, superconducting magnet 5 with set up on the inner wall of high speed flying train's automobile body 6 passive damping coil 2 is at a predetermined distance between.
Since the superconducting magnet 5 itself may be provided with a thermal insulating layer (e.g., dewar), the superconducting magnet 5 is not affected by the heat generation of the damper coil and the 8-wire coil. The superconducting magnet 5 and the passive damping coil 2 are separated by a preset distance, so that the influence of the heating of the damping coil and the 8-coil on the superconducting magnet 5 can be further avoided.
According to an embodiment of the present invention, alternatively, the passive damping coil 2 is provided on the outer wall of the vehicle body 6 of the high-speed flying train corresponding to the 8-shaped coil 1.
Because the damping coil generates heat due to the fact that the damping coil generates induced eddy currents, the damping coil is arranged on the outer side of the vehicle body, and the problem that heat dissipation is not easy to achieve in the vehicle body can be effectively solved.
It should be understood by those skilled in the art that although one superconducting magnet is shown in the drawings to cover three 8-word coils, it is merely exemplary and not intended to limit the present invention.
Fig. 3 is a schematic diagram of an active and passive hybrid damping control system according to an embodiment of the present invention;
fig. 4 is a diagram of a multi-damping coil topology of an active and passive hybrid damping control system according to an embodiment of the present invention;
fig. 5 is a topological structure diagram of a single damping coil of an active and passive hybrid damping control system according to an embodiment of the present invention.
As shown in fig. 3-5, the embodiment of the present invention further provides another active and passive hybrid damping control system, wherein the system includes a 8-shaped coil 1, a passive damping coil 2, a current lead 3, an active damping coil 4 and a superconducting magnet 5, the 8-shaped coil 1 is disposed on a track, the passive damping coil 2 and the superconducting magnet 5 are disposed on a vehicle body 6 of a high-speed flying train corresponding to the 8-shaped coil 1, a center line of the superconducting magnet 5 is sunken by a predetermined height relative to the center line of the 8-shaped coil 1, the current lead 3 is connected to the active damping coil 4 and is used for supplying current to the active damping coil 4, and the active damping coil 4 is disposed on a surface of the superconducting magnet 5.
Through above-mentioned technical scheme, can mix active damping coil and passive form damping coil and set up, in the insufficient condition of passive form damping, can adopt active damping, through the electric current supplementary mode, reached the automobile body shock attenuation, improved effect such as comfort level of riding. Compared with passive damping, the utility model makes up the problem of insufficient damping; compared with active damping, the utility model has the advantages of low power consumption, energy saving, etc.
More specifically, in this embodiment, the passive damping coil 2, the active damping coil 4 and the superconducting magnet 5 are all disposed 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, induced current is generated in the passive damping coil 2 and interacts with current in the 8-shaped coil 1 to generate damping force. The active damping coil 4 can be arranged on the surface of the superconducting magnet 5 in a sticking mode, and under the condition that the passive damping is insufficient, corresponding current can be introduced into the active damping coil to control the stable operation of the train, so that the shock absorption function of the train body is realized.
For example, whether the passive damping is insufficient can be judged as follows: the vibration displacement of the train body is measured by using the laser displacement sensor, when the vibration displacement of the train body exceeds an expected set value, the situation of insufficient passive damping is judged, and at the moment, current in the same direction (or opposite direction) as the superconducting magnet 5 can be introduced into the active damping coil 4 to control the train to stably run, so that the function of damping the train body is achieved.
That is, for the superconducting magnet side, the damping force can be enhanced (or weakened) by weakening (or strengthening) the source magnetic field generated by the superconducting magnet, so as to achieve the effect of stable operation of the vehicle body.
It will be understood by those skilled in the art that the above-described manner of using a laser displacement sensor is merely exemplary and is not intended to limit the present invention.
According to the utility model relates to an embodiment, the central line of passive damping coil 2 with the coincidence of the central line of 8 word coils 1.
That is, when the superconducting magnet is at a stable levitation height, the horizontal center line of the passive damping coil 2 coincides with the horizontal center line of the 8-word coil 1.
Therefore, the damping coefficient is effectively increased, and the utilization rate of the damping coil material is improved.
According to the utility model relates to an embodiment, passive damping coil 2 corresponds to 8 word coil 1 sets up on the inner wall of high-speed flying train's automobile body 6.
According to the utility model discloses an embodiment, superconducting magnet 5 with set up on the inner wall of high speed flying train's automobile body 6 passive damping coil 2 is at a predetermined distance between.
Since the superconducting magnet 5 itself may be provided with a thermal insulating layer (e.g., dewar), the superconducting magnet 5 is not affected by the heat generation of the damper coil and the 8-wire coil. The superconducting magnet 5 and the passive damping coil 2 are separated by a preset distance, so that the influence of the heating of the damping coil and the 8-coil on the superconducting magnet 5 can be further avoided.
According to an embodiment of the present invention, alternatively, the passive damping coil 2 is provided on the outer wall of the vehicle body 6 of the high-speed flying train corresponding to the 8-shaped coil 1.
Because the damping coil generates heat due to the fact that the damping coil generates induced eddy currents, the damping coil is arranged on the outer side of the vehicle body, and the problem that heat dissipation is not easy to achieve in the vehicle body can be effectively solved.
It should be understood by those skilled in the art that although one superconducting magnet is shown in the drawings to cover three 8-word coils, it is merely exemplary and not intended to limit the present invention.
The embodiment of the utility model provides a high-speed flying train is still provided, wherein, including the initiative in the above-mentioned embodiment with passive hybrid damping control system.
It can be seen from the above embodiments that the system described in the above embodiments of the present invention solves the problem of insufficient passive damping and improves the problem of energy consumption of full active damping.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a 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, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An active and passive hybrid damping control system is characterized by comprising an 8-shaped coil (1), a passive damping coil (2), a current lead (3), an active damping coil (4), a superconducting magnet (5) and a laser displacement sensor, wherein the 8-shaped coil (1) is arranged on a track, the passive damping coil (2) and the superconducting magnet (5) are arranged on a train body (6) of a high-speed flying train corresponding to the 8-shaped coil (1), the center line of the superconducting magnet (5) is sunken at a preset height relative to the center line of the 8-shaped coil (1), the laser displacement sensor detects the vibration displacement of the train body, the current lead (3) is connected with the active damping coil (4) and is used for leading current to the active damping coil (4) when the vibration displacement of the train body exceeds an expected set value, the active damping coil (4) is arranged on the surface of the passive damping coil (2).
2. The system according to claim 1, characterized in that the center line of the passive damping coil (2) coincides with the center line of the figure-8 coil (1).
3. The system according to claim 2, characterized in that the passive damping coil (2) is arranged on the inner wall of the body (6) of the high-speed flying train in correspondence of the figure-8 coil (1).
4. The system according to claim 3, wherein the superconducting magnet (5) is a predetermined distance from the passive damping coil (2) disposed on an inner wall of a carbody (6) of the high speed flying train.
5. The system according to claim 2, characterized in that the passive damping coil (2) is arranged on the outer wall of the body (6) of the high-speed flying train in correspondence of the figure-8 coil (1).
6. A high speed flying train comprising the active and passive hybrid damping control system of any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020291343.9U CN214689056U (en) | 2020-03-11 | 2020-03-11 | Active and passive hybrid damping control system and high-speed flying train |
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| CN202020291343.9U CN214689056U (en) | 2020-03-11 | 2020-03-11 | Active and passive hybrid damping control system and high-speed flying train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526304A (en) * | 2021-12-31 | 2022-05-24 | 湖南科技大学 | Hybrid dynamic vibration absorber based on time-lag technology and nonlinear energy trap and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526304A (en) * | 2021-12-31 | 2022-05-24 | 湖南科技大学 | Hybrid dynamic vibration absorber based on time-lag technology and nonlinear energy trap and method |
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