Microgravity simulation device and application in ground simulation experiment
By designing a microgravity simulation device including a rotating drive mechanism and a microgravity simulation mechanism, using magnetic field and current regulation technology, the problems of high device cost and short experimental time in the prior art are solved, and low-cost and long-term microgravity simulation experiments are realized.
Patent Information
- Application Number
- CN202411825386.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-04-15
AI Technical Summary
The existing ground microgravity simulation experimental methods have high manufacturing and maintenance costs, and the experiment duration is short, so it is impossible to provide sufficient ground experiment basis.
A microgravity simulation device is designed, including a rotating drive mechanism and a microgravity simulation mechanism. Through the cooperation of fixed magnetic parts, current adjustment components and rotating magnetic components, the magnetic field interaction and current adjustment are used to achieve continuous simulation of the shaft system in the microgravity state.
It reduces the production and maintenance costs of microgravity simulation devices, extends the experiment duration, and can continuously simulate the microgravity of the shaft system at different locations, provide a more sufficient ground experimental basis, and reduces the damage and maintenance needs of the device.
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Figure CN119821704A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of ground microgravity simulation, and in particular to a microgravity simulation device and its application in ground simulation experiments. Background Art
[0002] In order to ensure the safety and reliability of the space motor system when working in space, sufficient simulation experiments are required on the ground during the development and testing phase of the space motor. After decades of development, space microgravity ground simulation experiment methods such as the drop tower method and the parabolic flight method have emerged one after another.
[0003] In the prior art, the drop tower method is to perform free fall in a microgravity tower, and the object can obtain a good microgravity state when performing free fall. The parabolic flight method is a method of creating a microgravity and low gravity environment by using parabolic maneuvering flight. However, the manufacturing and maintenance costs of the devices used in the above methods are high, and the experimental duration is short, which is not enough to provide sufficient basis for ground experiments. Summary of the invention
[0004] In view of the above problems, the present application is proposed. The present application provides a microgravity simulation device and its application in ground simulation experiments.
[0005] According to one aspect of the present application, a microgravity simulation device is provided, comprising:
[0006] A rotating drive mechanism and at least one microgravity simulation mechanism arranged on the rotating drive mechanism; the rotating drive mechanism includes at least one rotating shaft, the driving end of the rotating drive mechanism is sleeved on the rotating shaft, the microgravity simulation mechanism includes a fixed magnetic part, a current regulating component and a rotating magnetic component, the rotating magnetic component is sleeved on the rotating shaft, the fixed magnetic part and the current regulating component are arranged on the driving end, the fixed magnetic part and the current regulating component are respectively arranged at the upper end and the lower end of the rotating magnetic component, the fixed magnetic part, the current regulating component and the rotating magnetic component are distributed along the axial direction of the rotating shaft; the magnetism of the fixed magnetic part toward the rotating magnetic component is the same as the magnetism of the part of the rotating magnetic component toward the fixed magnetic part; the magnetism of the part of the current regulating component toward the rotating magnetic component is opposite to the magnetism of the rotating magnetic component toward the current regulating component.
[0007] Compared with the prior art, the microgravity simulation device in the present application includes a rotation drive mechanism and at least one microgravity simulation mechanism arranged on the rotation drive mechanism, the rotation drive mechanism includes at least one rotating shaft, the driving end of the rotation drive mechanism is sleeved on the rotating shaft, and the power can be transmitted from the driving end to the rotating shaft in the form of torque through the close fit between the two, so as to cause the rotating shaft to start rotating. The microgravity simulation mechanism in the present application includes a fixed magnetic part, a current regulating component and a rotating magnetic component, the rotating magnetic component is sleeved on the rotating shaft and can rotate with the rotating shaft. The fixed magnetic part and the current regulating component in the present application are arranged on the driving end, and are respectively located at the upper end and the lower end of the rotating magnetic component. The fixed magnetic part, the current regulating component and the rotating magnetic component are distributed along the axial direction of the rotating shaft. At this time, the rotating magnetic component and the fixed magnetic part have the same axial position and can interact with each other through the magnetic field. When the magnetism of the fixed magnetic part toward the rotating magnetic component is the same as the magnetism of the part of the rotating magnetic component toward the fixed magnetic part, the fixed magnetic part can apply a repulsive force opposite to the direction of gravity to the rotating magnetic component to ensure that the shaft system is in a microgravity state. That is to say, when the relative position and magnetism of the rotating magnetic component and the fixed magnetic part are maintained under the above conditions, the repulsive force generated between the two can almost offset the gravity, so that the shaft system remains in a microgravity state. However, as the rotating magnetic component rotates, the relative position of the rotating magnetic component and the fixed magnetic part will inevitably change, and the magnitude of the repulsive force generated between the two will also change accordingly. At this time, the current regulating component can be used to adjust the balance between repulsion and gravity. The magnetism of the part of the current regulating component facing the rotating magnetic component is opposite to the magnetism of the rotating magnetic component facing the current regulating component. Therefore, the current regulating component can apply a suction force opposite to the direction of gravity to the rotating magnetic component, so that the combined force of the current regulating component and the repulsive force can almost offset the gravity, so that the shaft system is in a microgravity state again. It can be seen that the above-mentioned device has a simple structure and low production cost, and by adjusting the current parameters of the current regulating component, the rotating magnetic component can continuously simulate the microgravity of the shaft system at different positions, which prolongs the experimental time and is conducive to fully providing the basis for ground experiments. In addition, in the process of conducting experiments using the microgravity simulation device, the device will not be damaged, which reduces the maintenance cost of the device.
[0008] According to another aspect of the present application, a microgravity simulation device for use in a ground simulation experiment is provided.
[0009] Compared with the prior art, the beneficial effects of the application of the microgravity simulation device provided by the present application in the ground simulation experiment are the same as the beneficial effects of the above-mentioned microgravity simulation device, which will not be elaborated here.
[0010] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] By describing the embodiments of the present application in more detail in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the present application will become more apparent. The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings, the same reference numerals generally represent the same components or steps.
[0012] Figure 1 is a schematic structural diagram of a microgravity simulation device according to an embodiment of the present application;
[0013] Figure 2 is a force analysis diagram illustrating a microgravity simulation mechanism according to an embodiment of the present application in a state where the axes coincide with each other;
[0014] Figure 3 is a force analysis diagram illustrating a microgravity simulation mechanism of an embodiment of the present application in a deviated state;
[0015] Figure 4 It is another force analysis diagram illustrating the microgravity simulation mechanism of an embodiment of the present application in a deviated state.
[0016] Reference numerals:
[0017] 1-rotational driving mechanism; 101-rotating shaft; 102-driving end; 2-microgravity simulation mechanism; 201-fixed magnetic part; 202-current regulating component; 203-rotating magnetic component; 2031-magnetic pair; 2032-magnetic isolation part and 204-fixed support part. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solution and advantages of the present application more obvious, the exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited to the exemplary embodiments described here.
[0019] In order to ensure the safety and reliability of the space motor system when working in space, sufficient simulation experiments need to be carried out on the ground during the development and testing phase of the space motor. Among them, the drop tower method uses the experimental object to perform free fall in the gravity tower to produce a microgravity environment through weightlessness. During the drop tower process, the gravitational acceleration of the material in the object container is almost zero, thereby simulating a microgravity environment in a very short time. The parabolic flight method uses the flight of an aircraft on a specific trajectory to produce an environment similar to microgravity. In the ascending phase of the parabolic flight, the aircraft will apply an upward acceleration to the experimental object, and in the descending phase, it will apply a downward acceleration to the experimental object, and the magnitude of these two accelerations is equal to the gravitational acceleration. When the aircraft flies to the top along the parabolic trajectory, the experimental object will experience a short state of weightlessness, at which time the gravitational acceleration they feel is close to zero, thereby simulating a microgravity environment. The manufacturing cost and maintenance cost of the device used in the above method are high, and the experiment duration is short, which is not enough to fully provide a basis for ground experiments.
[0020] In response to the above problems, the present application provides a microgravity simulation device, which can not only reduce the production cost and maintenance cost of the microgravity simulation device, but also extend the duration of the experiment. Figure 1 Schematic diagram of the structure of the microgravity simulation device of the embodiment of the present application. Figure 1 As shown, the microgravity simulation device includes a rotating drive mechanism 1 and at least one microgravity simulation mechanism 2 arranged on the rotating drive mechanism 1; the rotating drive mechanism 1 includes at least one rotating shaft 101, and the driving end 102 of the rotating drive mechanism 1 is sleeved on the rotating shaft 101, and the microgravity simulation mechanism 2 includes a fixed magnetic part 201, a current regulating component 202 and a rotating magnetic component 203, the rotating magnetic component 203 is sleeved on the rotating shaft 101, the fixed magnetic part 201 and the current regulating component 202 are arranged on the driving end 102, the fixed magnetic part 201 and the current regulating component 202 are respectively arranged at the upper end and the lower end of the rotating magnetic component 203, and the fixed magnetic part 201, the current regulating component 202 and the rotating magnetic component 203 are distributed along the axial direction of the rotating shaft 101.
[0021] The magnetism of the fixed magnetic part 201 toward the rotating magnetic component 203 is the same as the magnetism of the rotating magnetic component 203 toward the fixed magnetic part 201 ; the magnetism of the current regulating component 202 toward the rotating magnetic component 203 is opposite to the magnetism of the rotating magnetic component 203 toward the current regulating component 202 .
[0022] In specific implementation, the geometric center of the rotation drive mechanism 1 and the geometric center of the microgravity simulation mechanism 2 should be adjusted to be in a straight line, and the axial position of the rotating magnetic component 203 and the fixed magnetic component 201 should be the same, so that the two can interact with each other through the magnetic field. After that, the driving end 102 of the rotation drive mechanism 1 is used to transmit power from the driving end 102 to the rotating shaft 101 in the form of torque, so that the rotating shaft 101 starts to rotate. Since the magnetism of the fixed magnetic component 201 toward the rotating magnetic component 203 is the same as the magnetism of the part of the rotating magnetic component 203 toward the fixed magnetic component 201, the fixed magnetic component 201 can apply a repulsive force opposite to the direction of gravity to the rotating magnetic component 203 to ensure that the shaft system is in a microgravity state. As the rotating magnetic component 203 rotates, the relative position of the rotating magnetic component 203 and the fixed magnetic component 201 will inevitably change, and the magnitude of the repulsive force generated between the two will also change accordingly. At this time, the current regulating component 202 can be used to adjust the balance between the repulsive force and the gravity. The magnetism of the part of the current regulating component 202 facing the rotating magnetic component 203 is opposite to the magnetism of the rotating magnetic component 203 facing the current regulating component 202. Therefore, the current regulating component 202 can apply a suction force opposite to the direction of gravity to the rotating magnetic component 203. When the current regulating component 202 is used to increase the applied current value, the magnitude of the suction force applied by the current regulating component 202 to the rotating magnetic component 203 can be increased; when the current regulating component 202 is used to reduce the applied current value, the magnitude of the suction force applied by the current regulating component 202 to the rotating magnetic component 203 can be reduced, so that the combined force of the current regulating component 202 and the repulsive force can almost offset the gravity, so that the shaft system is in a microgravity state again. It should be understood that the component used for driving in the rotating drive mechanism 1 can be a motor or other component that can drive the rotating shaft 101, which can be adjusted according to actual conditions and is not limited here. In addition, the stability of the microgravity simulation device can be ensured, and the rotation drive mechanism 1 can be arranged on a supporting component such as a base, which can be adjusted according to actual conditions and is not limited here.
[0023] It can be seen that the above device has a simple structure and low production cost, and by adjusting the current parameters of the current regulating component 202, the rotating magnetic component 203 can continuously simulate the microgravity of the shaft system at different positions, thereby extending the experimental time and providing sufficient basis for ground experiments. In addition, in the process of conducting experiments using the microgravity simulation device, the device will not be damaged, thereby reducing the maintenance cost of the device.
[0024] In practical applications, the fixed magnetic part 201 in the present application can be a fixed permanent magnetic ring, which can be a half ring or a quarter ring. As long as the axis of the rotating magnetic component 203 is guaranteed to coincide with the axis of the fixed magnetic component 201, it can be adjusted according to actual conditions and is not limited here. In addition, the microgravity simulation mechanism 2 in the present application can also include a fixed support member 204, which is arranged on the driving end 102, wherein the fixed support member 204 includes a first support section and a second support section located below the first support section, the first support section is used to fix the current regulating component 202, and the second support section is used to fix the fixed magnetic part 201, so that the central axis of the current regulating component 202 and the fixed magnetic part 201 coincides with the axis of the rotating shaft 101. The rotating magnetic component 203 is directly sleeved on the rotating shaft 101, and the two are mechanically matched to fix the axis to coincide. In the initial state of the microgravity simulation mechanism 2, the axis of the rotating magnetic component 203 should coincide with the axis of the fixed magnetic component 201, and the magnetic force between the two is equal to the total gravity of the shaft system. When the position of the rotating shaft 101 changes in the direction of gravity, it will return to the equilibrium point through negative feedback without using the current regulating component 202 to additionally pass current. At this time, the microgravity simulation device only achieves the microgravity simulation effect at the equilibrium point. It should be understood that the fixed support member 204 can be a support frame, or other components that can achieve the purpose of fixing the current regulating component 202 and the fixed magnetic component 201 to the driving end 102, which can be adjusted according to actual conditions and are not limited here. The current regulating component 202 in the present application can include an iron core and a conductive coil sleeved on the iron core, from which two wire lead-out ends are led out for passing current to adjust the relationship between the repulsive force (i.e., the magnetic force between the rotating magnetic component 203 and the fixed magnetic component 201) and the total gravity of the shaft system. In addition, a collector shoe may be provided at the portion of the conductive coil facing the rotating magnetic component 203, which may be adjusted according to actual conditions, as long as it is possible to add current to the shaft system so that suction is applied to the rotating magnetic component 203, and no limitation is made here. When a collector shoe is provided on the conductive coil, the number of the collector shoes is multiple, for example: 2, 3 or 4. The physical parameters of each collector shoe are the same, and its width should be the same as the width of the component generating magnetism in the rotating magnetic component 203 and the width of the fixed magnetic component 201. In addition, when the number of rotating shafts 101 is two, the axes of the two rotating shafts 101 coincide, and accordingly, the number of microgravity simulation mechanisms 2 is also two, and their shapes and sizes are the same. Moreover, when there is only one rotating shaft 101, in order to improve the stability of the microgravity simulation device and reduce the probability of one high and one low phenomenon appearing at the two ends of the rotating shaft 101, two microgravity simulation mechanisms 2 can be arranged on the rotating drive mechanism 1, that is, microgravity simulation mechanisms 2 are respectively provided at both ends of the rotating shaft 101, and each microgravity simulation mechanism 2 has the same shape and size.
[0025] In an alternative approach, Figure 1 As shown, the magnetization directions of the fixed magnetic part 201 and the rotating magnetic component 203 in the embodiment of the present application are both radial. When the magnetism of the fixed magnetic part 201 toward the rotating magnetic component 203 is the same as the magnetism of the part of the rotating magnetic component 203 toward the fixed magnetic part 201, and the magnetization directions of the fixed magnetic part 201 and the rotating magnetic component 203 are both radial, it can be ensured that the fixed magnetic part 201 can apply repulsion to the rotating magnetic component 203 along the straight line where gravity is located, and a closed magnetic circuit can be formed through the current regulating component 202, so that the current regulating component 202 can continuously adjust the relationship between repulsion and gravity by adjusting the magnitude of suction in the microgravity simulation mechanism 2. Not only that, it can also make the direction of the suction applied by the current regulating component 202 to the rotating magnetic component 203 collinear with the gravity direction of the axis system, thereby further ensuring that the current regulating component 202 can play a role in adjusting the relationship between repulsion and gravity.
[0026] For example, Figure 1 As shown, the rotating magnetic component 203 in the embodiment of the present application includes a magnetic pair 2031 and a magnetic shielding member 2032. The magnetic pair 2031 and the magnetic shielding member 2032 are arranged on the rotating shaft 101 from the inside to the outside. Therefore, when the driving end 102 of the rotating drive mechanism 1 drives the rotating shaft 101 to rotate, the magnetic pair 2031 and the magnetic shielding member 2032 can rotate together with the rotating shaft 101 and form a closed magnetic circuit. Among them, the magnetic pair 2031 can generate a relative force with the fixed magnetic member 201, and the magnetic shielding member 2032 can effectively guide the magnetic field lines to surround its periphery and reduce the penetration of the magnetic field in the central area. It should be understood that the magnetic pair 2031 can be a permanent magnet ring pair, and the magnetic shielding member 2032 can be a magnetic shielding ring, which can be adjusted according to actual conditions and is not limited here.
[0027] Exemplarily, the magnetism of the portion of the current regulating component facing the magnetic pair in the embodiment of the present application is opposite to the magnetism of the portion of the magnetic pair facing the current regulating component. On this basis, the magnetic pair includes a first magnetic part and a second magnetic part, the first magnetic part and the second magnetic part are arranged relatively along the axial direction of the rotating shaft, the magnetic field direction of the first magnetic part is opposite to the magnetic field direction of the second magnetic part, and the magnetization directions of the two magnetic parts are radial, so that a closed magnetic circuit can be formed between the current regulating component, the first magnetic part and the second magnetic part, thereby further ensuring that the current regulating component can continuously adjust the relationship between the repulsive force and the gravity by adjusting the magnitude of the suction force in the microgravity simulation mechanism. It is worth noting that the physical parameters of the first magnetic part and the second magnetic part in the present application are the same, such as: width and radial dimensions.
[0028] It is understandable that if Figure 1 As shown, at the beginning of the experiment, the microgravity simulation mechanism in the embodiment of the present application uses the driving end 102 to drive the rotating shaft 101 to rotate, so that the rotating magnetic component 203 rotates from the initial position to the preset position. If the actual position of the rotating magnetic component 203 after rotation deviates from the preset position, the current regulating component 202 is used to apply an attractive force to the rotating magnetic component 203 to adjust the position of the rotating magnetic component 203 to the preset position. When the rotating magnetic component 203 is at the initial position and the preset position, its geometric center is located on the straight line where the central axis of the corresponding fixed magnetic component 201 is located. When the microgravity simulation mechanism is stationary, the rotating magnetic component 203 interacts with the fixed magnetic component 201, and the rotating magnetic component 203 is subjected to the magnetic force of the fixed magnetic component 201, which offsets the gravity of the shaft system itself, so that the resultant force on the shaft system is almost zero. At this time, the rotating magnetic component 203 is not affected by other forces, so that the geometric centers of each component in the rotating magnetic component 203 are all located on the straight line where the central axis of the corresponding fixed magnetic component 201 is located.
[0029] In order to more clearly illustrate the effect of the microgravity simulation mechanism in the embodiments of the present application, the present application is illustrated by the following examples.
[0030] Figure 2 FIG. 2 is a force analysis diagram illustrating the microgravity simulation mechanism of the embodiment of the present application when the axes are aligned. Figure 1 and Figure 2 As shown, when the microgravity simulation mechanism is in the state of axis coincidence, the geometric center of the rotating magnetic component 203 coincides with the central axis of the fixed magnetic component 201. Specifically, the center of mass O' of the magnetic pair 2031 should be located at the point O of the central axis of the fixed magnetic component 201. At this time, the magnetic force F1 generated by the fixed magnetic component 201 and the magnetic force F2 generated by the unpowered current regulating component 202 are approximately equal to the total gravity G, and the axis system is in a microgravity state.
[0031] For example, if the actual position of the rotating magnetic component after rotation deviates from the preset position, that is, the geometric center of the magnetic pair is offset in the direction of gravity relative to the straight line where the central axis of the fixed magnetic part is located, the present application can adjust the current passed through the current regulating component so that the magnetic force generated by the current and the magnetic force generated by the fixed magnetic part act together on the magnetic pair, so that the resultant force generated is substantially equal to the gravity exerted on the shaft system. At this time, the geometric center of the rotating shaft is located above or below the straight line where the central axis of the fixed magnetic part is located.
[0032] Figure 3 FIG. 1 is a force analysis diagram of the microgravity simulation mechanism of the embodiment of the present application in a deviated state. Figure 1 and Figure 3As shown, when the microgravity simulation mechanism is in a deviated state, the rotating magnetic component 203 is also in a deviated position. Specifically, when the mass center O' of the magnetic pair 2031 should be located below the central axis point O of the fixed magnetic component 201, the magnetic force F1 applied by the fixed magnetic component 201 to the magnetic pair 2031 is larger than that in the initial state. At this time, a demagnetizing current is passed to the current regulating component 202 to reduce the magnetic force F2 generated by the current regulating component 202. The resultant force of the magnetic force F1 and the magnetic force F2 is approximately equal to the axis system gravity G. At this time, the axis system is in a microgravity state.
[0033] Figure 4 FIG. 2 is another force analysis diagram of the microgravity simulation mechanism of the embodiment of the present application in a deviated state. Figure 1 and Figure 4 As shown, when the microgravity simulation mechanism is in a deviated state, the rotating magnetic component 203 is also in a deviated position. Specifically, when the center of mass O' of the magnetic pair 2031 should be located above the central axis point O of the fixed magnetic component 201, the magnetic force F1 applied by the fixed magnetic component 201 to the magnetic pair 2031 is smaller than that in the initial state. At this time, a magnetizing current is passed through the current regulating component 202 to increase the magnetic force F2 generated by the current regulating component 202. The resultant force of the magnetic force F1 and the magnetic force F2 is approximately equal to the axis system gravity G. At this time, the axis system is in a microgravity state. It should be understood that in order to more clearly describe the force conditions of the microgravity simulation mechanism in various states, Figure 2 to Figure 4 The magnetic isolation parts are omitted.
[0034] The present application also provides an application of the above-mentioned microgravity simulation device in a ground simulation experiment, thereby being able to provide sufficient ground experiment basis at a relatively low cost.
[0035] The above is only a specific implementation of the present application. Obviously, various modifications and combinations can be made without departing from the spirit and scope of the present application. Accordingly, this specification and the drawings are only exemplary illustrations of the present application as defined by the attached claims, and are deemed to have covered any and all modifications, changes, combinations or equivalents within the scope of the present application. Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include these changes and variations. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be covered within the scope of protection of the present application. Therefore, the scope of protection of the present application shall be based on the scope of protection of the claims.
[0036] It should also be noted that in the system and method of the present application, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present application.
[0037] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.
[0038] The above description has been given for the purpose of illustration and description. In addition, this description is not intended to limit the embodiments of the present application to the forms disclosed herein. Although multiple example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.
Claims
1. A microgravity simulation device, characterized in that: include: A rotation drive mechanism and at least one microgravity simulation mechanism disposed on the rotation drive mechanism; The rotation drive mechanism includes at least one rotating shaft, and the driving end of the rotation drive mechanism is sleeved on the rotating shaft. The microgravity simulation mechanism includes a fixed magnetic part, a current regulating component and a rotating magnetic component. The rotating magnetic component is sleeved on the rotating shaft, and the fixed magnetic part and the current regulating component are arranged on the driving end. The fixed magnetic part and the current regulating component are respectively arranged at the upper end and the lower end of the rotating magnetic component. The fixed magnetic part, the current regulating component and the rotating magnetic component are distributed along the axial direction of the rotating shaft; the magnetism of the fixed magnetic part toward the rotating magnetic component is the same as the magnetism of the part of the rotating magnetic component toward the fixed magnetic part; the magnetism of the part of the current regulating component toward the rotating magnetic component is opposite to the magnetism of the rotating magnetic component toward the current regulating component.
2. The microgravity simulation device according to claim 1, characterized in that: The magnetizing directions of the fixed magnetic part and the rotating magnetic component are both radial.
3. The microgravity simulation device according to claim 1 or 2, characterized in that: The rotating magnetic assembly comprises a magnetic pair and a magnetic isolation member, and the magnetic pair and the magnetic isolation member are arranged on the rotating shaft from the inside to the outside.
4. The microgravity simulation device according to claim 3, characterized in that: The magnetism of a portion of the current regulating component facing the magnetic pair is opposite to the magnetism of a portion of the magnetic pair facing the current regulating component.
5. The microgravity simulation device according to claim 3, characterized in that: The magnetic pair includes a first magnetic member and a second magnetic member, and the first magnetic member and the second magnetic member are arranged opposite to each other along the axial direction of the rotating shaft.
6. The microgravity simulation device according to claim 5, characterized in that: The direction of the magnetic field of the first magnetic component is opposite to the direction of the magnetic field of the second magnetic component.
7. The microgravity simulation device according to any one of claims 1 to 6, characterized in that: When there are two microgravity simulation mechanisms, the microgravity simulation mechanisms are arranged at two ends of the rotating shaft.
8. Use of the microgravity simulation device as claimed in any one of claims 1 to 7 in a ground simulation experiment.