TW202044731A - Anti-vibration magnetic levitation power generation device having anti-vibration modules for buffering an axial displacement of a transmission shaft, and avoiding rotation speed reduction caused by excessive friction - Google Patents

Abstract

An anti-vibration magnetic levitation power generation device includes a base, an anti-vibration device, and a magnetic levitation power generator. The anti-vibration device includes two anti-vibration modules. The magnetic levitation power generator is arranged between the two anti-vibration modules. An axial gap is present between a transmission shaft of the magnetic levitation power generator and the anti-vibration modules. Each anti-vibration module includes a radial magnetic force magnet, an axial magnetic force magnet, and a buffer rod set. A buffer magnet interacts with the radial magnetic force magnet and the axial magnetic force magnet to form a radial magnetic repulsion force and an axial magnetic repulsion force, respectively, so as to levitate the buffer rod set and limit the position by a limiting member. With the anti-vibration magnetic levitation power generation device of the present invention, the anti-vibration modules can be used to buffer the axial displacement of the transmission shaft of the magnetic levitation power generator and avoid rotation speed reduction caused by an excessive friction drag generated between the transmission shaft and the buffer rod set.

Description

Anti-vibration maglev power generation device

The present invention relates to a power generation device, in particular to a maglev power generation device with shockproof function.

The existing power generation device mainly includes a transmission module and a power generation module. The transmission module is used to transfer the kinetic energy provided by the power supply source to the power generation module, and the kinetic energy is converted into electric energy through the generator set. However, in the process of energy transfer, kinetic energy will be lost due to frictional resistance, which makes it difficult to convert the energy of the power supply source into kinetic energy in a high proportion.

In order to overcome the problem of poor power generation efficiency of conventional power generation devices, the inventor has created several maglev power generation devices, which mainly include a plurality of magnetic modules, and the levitation effect generated by the repulsive force of the magnet enables the drive shaft to stand upright. Suspended rotation reduces unnecessary kinetic energy loss and achieves better power generation efficiency.

However, in the above-mentioned maglev power generation device, the drive shaft is mainly suspended upright and rotated at high speed by magnetic repulsion, making the drive shaft more susceptible to axial vibration due to external forces. When the drive shaft vibrates in the axial direction, its top and bottom The momentary contact force between the end and the base increases to produce frictional resistance, which causes the transmission shaft to reduce the speed, unable to maintain high-speed rotation, and reduces the power generation efficiency. Further improvement is needed. Therefore, the above-mentioned maglev power generation device is less suitable for bumps and vibrations. Use in the environment, so that the scope of its application is limited.

In view of this, the main purpose of the present invention is to provide an anti-vibration magnetic levitation power generation device whose anti-vibration device can improve the problem that the drive shaft cannot maintain high-speed rotation when it vibrates in the axial direction.

In order to achieve the above-mentioned object, the shock-proof magnetic levitation power generation device of the present invention includes a base; a shock-proof device is arranged in the base, and it includes two shock-proof modules, the two shock-proof modules are respectively arranged on the At the top and bottom ends of the base, each shockproof module includes a radial magnetic magnet, which is a ring-shaped permanent magnet, fixed in the base, and includes an inner hole; an axial magnetic magnet, It is a ring-shaped permanent magnet, fixed in the base and spaced above and below the radial magnetic magnet, and located on the side away from the other shockproof module. It contains an inner hole, and the axial magnetic magnet The inner hole diameter of the radial magnetic magnet is smaller than the inner hole diameter of the radial magnetic magnet; and a buffer rod group, which includes a rod body, is inserted through the inner holes of the radial magnetic magnet and the axial magnetic magnet, and the rod The diameter of the body is smaller than the diameter of the inner hole of the axial magnetic force magnet; a buffer magnet, which is a permanent magnet, is radially convexly arranged on the rod body and is located in the inner hole of the radial magnetic force magnet. The diameter is greater than the diameter of the axial bore of the axial magnetic magnet and smaller than the diameter of the radial magnetic magnet. The buffer magnet and the radial magnetic magnet have the same magnetic polarity and do not contact each other, and the buffer magnet and the The facing surfaces of the axial magnetic magnets are opposite to each other with the same magnetic polarity; and a limiting member is projected on the rod in the radial direction and is located on the side of the axial magnetic magnet away from the radial magnetic magnet; and a maglev generator device , Which is arranged between the two shockproof modules, includes a transmission shaft, is located between the buffer rod sets of the two shockproof modules, and has an axial gap with the buffer rod sets of the two shockproof modules; an induction motor The module includes a rotor, the outer peripheral surface of which is made of non-magnetic metal, and is fixed on the transmission shaft; and a stator, which is fixed on the base and sleeved on the outer circumference of the rotor; two axial directions Magnetic bearings are respectively arranged at the top and bottom ends of the induction motor module. Each axial magnetic bearing includes a bearing inner magnet, which is a permanent magnet, fixed on the drive shaft; and an axial magnetic ring , Is a ring-shaped permanent magnet, fixed in the base to form an axial distance from the magnet in the bearing, and the inner hole diameter of the axial magnetic ring is smaller than the diameter of the magnet in the bearing, the axial magnetic ring and The facing faces of the magnets in the bearing are repulsive with the same magnetic polarity. The axial magnetic ring of one axial magnetic bearing is located on the lower side of the corresponding magnet in the bearing, and the axial magnetic ring of the other axial magnetic bearing is located at its corresponding The upper side of the magnet in the bearing; at least one power generation module is installed in the base and connected to the transmission shaft; and a plurality of radial frictionless bearings are arranged at intervals along the axial direction of the transmission shaft.

With the above technical method, the drive shaft of the maglev power generation device is suspended between the two shockproof modules by magnetic repulsion, and forms an axial gap with the buffer rod groups of the two shockproof modules without contact; the drive shaft is subject to vibration When the axial displacement is affected by the impact of, the anti-vibration module can buffer the axial movement of the transmission shaft, and avoid excessive frictional resistance between the transmission shaft and the buffer rod group and reduce the speed, so that the transmission shaft can maintain high speed Spin.

Please refer to FIGS. 1 and 2, the first preferred embodiment of the shock-proof magnetic levitation power generation device of the present invention includes a base 10, a shock-proof device 200, and a maglev power generation device 30. The anti-vibration device 200 is arranged on the base 10 and includes two anti-vibration modules 20, the two anti-vibration modules 20 are respectively arranged at the top and bottom ends of the base 10, and the maglev generator 30 is arranged on the two anti-vibration modules. Between modules 20.

The base 10 can be provided with a plurality of laminates 11 and a plurality of support rods 13, the laminates 11 are arranged at intervals up and down, the support rods 13 are connected and fixed to the laminates 11, and the laminates 11 are respectively provided There is a through hole 111, and the through holes 111 of the laminates 11 are located on the same vertical axis.

2 and 3, each anti-vibration module 20 includes a radial magnetic magnet 21, an axial magnetic magnet 22, and a buffer rod group 25. The radial magnetic magnet 21 and the axial magnetic magnet 22 are both annular permanent magnets, which are arranged in the base 10 in an upper and lower spacing arrangement. The radial magnetic magnet 21 and the axial magnetic magnet 22 It can be respectively fixed or embedded in the perforations 111 of the two adjacent layers 11 of the base 10, and the axial magnetic magnet 22 is located on the side away from the other shockproof module 20; the radial magnetic magnet 21 It includes an inner hole 212, 222 with the axial magnetic magnet 22. The axial centers of the inner holes 212, 222 are on the same axis. The diameter of the inner hole 212 of the radial magnetic magnet 21 is larger than that of the axial magnetic magnet 22. The diameter of the inner hole 222.

The buffer rod group 25 includes a rod body 250, a buffer magnet 252 and a limiting member 254. The rod body 250 penetrates through the inner holes 212, 222 of the radial magnetic force magnet 21 and the axial magnetic force magnet 22, and the diameter of the rod body 250 is smaller than the diameter of the inner hole 222 of the axial magnetic force magnet 22; the buffer magnet 252 is a ring-shaped permanent magnet, which is radially protrudingly arranged on the rod body 250, which can be screwed to the rod body 250 and located in the inner hole 212 of the radial magnetic magnet 21, The diameter of the buffer magnet 252 is smaller than the diameter of the inner hole 212 of the radial magnetic magnet 21 and larger than the diameter of the inner hole 222 of the axial magnetic magnet 22. The buffer magnet 252 and the radial magnetic magnet 21 have the same magnetic polarity. A magnetic repulsion force is formed and maintained in a state of not being in contact with each other. The opposing surfaces of the buffer magnet 252 and the axial magnetic force magnet 22 repel with the same magnetic polarity to form a magnetic repulsion force toward the maglev generator 30; the limit member 254 The circumscribed circle diameter of the limiting member 254 is larger than the diameter of the inner hole 222 of the axial magnetic force magnet 22, and is located on the side of the axial magnetic force magnet 22 away from the radial magnetic force magnet 21 , And leaning against the axial magnetic magnet 22 to limit the axial position of the buffer rod set 25, the limiting member 254 can be a gasket or flange connected to the rod body 250 or integrally formed on the The flange of the rod body 250.

Please refer to FIG. 1, the maglev power generation device 30 includes a transmission shaft 31, an induction motor module 40, at least one power generation module 50, two axial magnetic bearings 60, and a plurality of radial frictionless bearings 70.

1 and 2, the transmission shaft 31 is vertically arranged between the buffer rod groups 25 of the two anti-vibration modules 20, the transmission shaft 31 can be a single rod body, or a plurality of rod bodies combined with a coupling set After being connected, the transmission shaft 31 has an axial gap with the two anti-vibration modules 20 in a preset state without contact, wherein the gap between the transmission shaft 31 and the buffer rod group 25 can be preset to 1 mm The upper and lower ends of the transmission shaft 31 can be tapered or arc-shaped, so that when the transmission shaft 31 is in contact with the buffer rod group 25, point contact is formed.

Preferably, the rod body 250 can be further provided with threads 251, and the limiting member 254 is screwed to the rod body 250, and the axial relative position of the limiting member 254 and the buffer magnet 252 can be adjusted. And the gap between the rod body 250 group and the transmission shaft 31 can be finely adjusted.

Please refer to FIG. 9, the induction motor module 40 includes a rotor 41 and a stator 43. The rotor 41 is fixed to the drive shaft 31, and its outer peripheral surface is made of non-magnetic metal, such as an aluminum rotor, a copper rotor or a rat A cage rotor, in which an aluminum rotor is preferred, and a thin shell or squirrel cage rotor made of non-magnetic metal can reduce the weight of the rotor 41; the stator 43 is fixed on the base The base 10 is sleeved on the outer circumference of the rotor 41. The stator 43 includes a plurality of coil windings. After the coil windings of the stator 43 are supplied with AC power, a rotating magnetic field is generated in the stator 43 to make the non-magnetic metal surface of the rotor 41 The eddy current is generated under the influence of the change of the magnetic field and forms a repulsive force to drive the rotor 41 to rotate and drive the transmission shaft 31 to rotate.

The two axial magnetic bearings 60 are respectively arranged at the top and bottom ends of the induction motor module 40. Each axial magnetic bearing 60 includes an inner bearing magnet 65, an axial magnetic ring 63 and an outer bearing magnetic ring 61. The bearing inner magnet 65 is a ring-shaped permanent magnet, which is fixed to the transmission shaft 31, and the axial magnetic ring 63 is a ring-shaped permanent magnet, which is fixed in the base 10 and interacts with The bearing inner magnet 65 forms an axial distance, and the inner hole 631 of the axial magnetic ring 63 is smaller than the diameter of the bearing inner magnet 65 and larger than the diameter of the transmission shaft 31, the axial magnetic ring 63 and the bearing inner magnet 65 The opposing surfaces of the two axial magnetic bearings 60 repel each other with the same magnetic polarity, wherein the axial magnetic ring 63 of one of the two axial magnetic bearings 60 is located on the lower side of the magnet 65 in its bearing, and the magnetic repulsion force is used to provide the power of the drive shaft 31 to suspend The axial magnetic ring 63 of the other axial magnetic bearing 60 is located on the upper side of the magnet 65 in the bearing, and the axial magnetic repulsion forces formed by the two axial magnetic bearings 60 are used to stabilize the axial direction of the transmission shaft 31. In terms of position, the axial magnetic rings 63 of the two axial magnetic bearings 60 can be both located on the side close to the induction motor module 40 or both on the side far away from the induction motor module 40.

The bearing outer magnetic ring 61 is a ring-shaped permanent magnet, fixed in the base 10 and sleeved on the outer circumference of the bearing inner magnet 65. The inner hole 611 of the bearing outer magnetic ring 61 has a larger diameter than the bearing inner magnet The diameter of the bearing 65 and the bearing inner magnet 65 form a radial gap, and the bearing outer magnetic ring 61 and the bearing inner magnet 65 are opposite to the same magnetic polarity to form a magnetic repulsion force without contacting each other, and the drive shaft is stabilized through the magnetic repulsion force 31 Radial position when rotating.

10 and 11, the at least one power generation module 50 is installed in the base 10 and connected to the drive shaft 31. In this embodiment, the maglev power generation device 30 is provided with two upper and lower partitions The power generation modules 50 are arranged, and each power generation module 50 is an axial magnetic field generator. Each power generation module 50 includes a coil disk 55 and two magnetic disks 51. The coil disk 55 is fixed to the base 10 and is provided with a plurality of ring-shaped and equidistantly arranged induction coils 551, and the induction coils 551 surround equidistantly. On the outer circumference of the transmission shaft 31; the two magnetic disks 51 are fixed on the transmission shaft 31, and are equally spaced on the upper and lower sides of the coil disk 55, each disk 51 includes a disk body 511 and a plurality of magnetic Block 513, the disk body 511 is fixed to the transmission shaft 31, and the magnetic blocks 513 are arranged annularly on the side of the disk body 511 facing the coil disk 55 and surround the outer circumference of the transmission shaft 31, According to the position of the induction coils 551, the magnetic block 513 of each disk 51 is composed of one or more permanent magnets, and the magnetic block 513 of each disk 51 is linearly opposed to the magnetic block 513 of the other magnetic disk 51. The facing surfaces of the magnetic blocks 513 have different magnetic polarities. The number of the induction coils 551 is a multiple of the number of the magnetic blocks 513 of each disk 51. For example, the number of the induction coils 551 is 6, and the number of the magnetic blocks 513 of each disk 51 is The number is three; when the two magnetic disks 51 rotate with the drive shaft 31, the magnetic flux passing through the induction coil 551 is changed, so that the induction coil 551 generates an induced current and generates electricity.

Referring to FIG. 8, the radial frictionless bearings 70 are arranged at intervals along the axial direction of the transmission shaft 31. Each radial frictionless bearing 70 includes an inner magnet 73 and an outer ring magnet 71. The inner magnet 73 is An annular permanent magnet is fixed on the transmission shaft 31, the outer ring magnet 71 is an annular permanent magnet, fixed to the base 10, and sleeved on the outer periphery of the inner magnet 73, the The diameter of the inner hole 711 of the outer ring magnet 71 is larger than the diameter of the inner magnet 73 to form a radial gap. The outer ring magnet 71 and the inner magnet 73 have the same magnetic polarity to form a magnetic repulsion force without contacting each other. The magnetic repulsion between the outer ring magnet 71 and the outer ring magnet 71 effectively avoids the problem of deflection when the transmission shaft 31 rotates, and enables the transmission shaft 31 to stably rotate vertically relative to the base 10.

Preferably, two radial frictionless bearings 70 arranged adjacently form a pair, and the maglev generator 30 is provided with a plurality of pairs of radial frictionless bearings 70 spaced apart in the axial direction. For example, when the transmission shaft 31 is close to the top and bottom A pair of radial frictionless bearings 70 are provided at both ends and between the induction motor module 40 and the power generation module 50 respectively. The facing surfaces of the two inner magnets 73 and the two outer ring magnets 71 of each pair of radial frictionless bearings 70 have the same magnetic polarity to repel each other, thereby further improving the radial stability of the transmission shaft 31 during high-speed rotation.

Please refer to FIG. 12 and FIG. 13, which is a second preferred embodiment of the present invention, in which the maglev power generation device 30A further includes a fine-tuned maglev module 80, and the fine-tuned maglev module 80 is disposed under the power generation module 50. In addition, a pair of radial frictionless bearings 70 may be provided between the fine-tuning magnetic levitation module 80 and the power generation module 50.

The fine-tuning maglev module 80 includes a shaft magnet 81, a first magnetic force group 83, and a second magnetic force group 84; the shaft magnet 81 is a permanent magnet and is fixed on the transmission shaft 31, and the shaft magnet 81 includes an upper magnetic pole section 811 and the lower magnetic pole section 812. The upper magnetic pole section 811 is a cone whose size increases from top to bottom; the lower magnetic pole section 812 is a cone whose size decreases from top to bottom, so that the upper magnetic pole section 811 and the bottom The connection of the magnetic pole segment 812 forms an annular ridge 813, the upper magnetic pole segment 811 and the lower magnetic pole segment 812 are symmetrical along the annular ridge 813, and the upper magnetic pole segment 811 and the lower magnetic pole segment 812 have different magnetic polarities, The angle between the outer conical surfaces of the upper magnetic pole section 811 and the lower magnetic pole section 812 relative to the transmission shaft 31 is 15 to 75 degrees, and 30 degrees, 45 degrees, or 60 degrees is preferred.

The first magnetic force group 83 and the second magnetic force group 84 are adjacently arranged and fixed on the base 10, and the first magnetic force group 83 is located above the second magnetic force group 84; the first magnetic force group 83 may be more A spacer ring is composed of permanent magnet blocks arranged on the outer periphery of the shaft magnet 81, and the permanent magnet blocks are arranged in parallel with the lower magnetic pole section 812 of the shaft magnet 81. Therefore, the first magnetic force group 83 faces the shaft magnet The angle between the inner peripheral surface of 81 and the transmission shaft 31 can be between 15 degrees and 75 degrees, preferably 30 degrees, 45 degrees, or 60 degrees. The first magnetic group 83 includes a first magnetic pole 831 located above and a first magnetic pole 831 located above. The lower second magnetic pole 832, and the second magnetic pole 832 of the first magnetic force group 83 and the lower magnetic pole section 812 of the shaft magnet 81 have the same magnetic polarity. The second magnetic force group 84 can be composed of a plurality of permanent magnet magnet blocks arranged on the outer circumference of the shaft magnet 81, and the permanent magnet blocks are arranged in parallel with the lower magnetic pole section 812 of the shaft magnet 81. The two magnetic force sets 84 have a first magnetic pole 841 close to the shaft magnet 81 and a second magnetic pole 842 far away from the shaft magnet 81, and the first magnetic pole 841 of the second magnetic force set 84 and the lower magnetic pole segment 812 of the shaft magnet 81 are Same magnetic polarity.

Further, the annular ridge 813 of the shaft magnet 81 is located at the same height as the junction of the first magnetic pole 831 and the second magnetic pole 832 of the first magnetic force group 83, and the bottom of the lower magnetic pole segment 812 is located at the second magnetic force group 84 In the middle section, by fine-tuning the magnetic force between the shaft magnet 81 of the maglev module 80, the first magnetic force group 83 and the second magnetic force group 84, the gravity of the transmission shaft 31 is offset, so that the transmission shaft 31 is vertical Levitating between the anti-vibration device 200, the drive shaft 31 can rotate smoothly through the magnetic repulsion of the first magnetic force group 83 and the second magnetic force group 84 to the shaft magnet 81.

2 and 4, the transmission shaft 31 has an axial gap with the two anti-vibration modules 20 in the preset state without contacting, and is suspended in the base 10 to rotate quickly and smoothly, for example, The gap between the top and bottom ends of the transmission shaft 31 and the buffer rod group 25 can be preset to 1 mm respectively; when the transmission shaft 31 is affected by vibration and axially shifts, if the force causes the transmission shaft 31 to move axially When the displacement distance is smaller than the axial gap, for example, when the drive shaft 31 is displaced upwards of less than 1 mm, the drive shaft 31 can still be maintained in a suspended state without contact with the buffer rod group 25 and continue to rotate at a high speed.

Please refer to Figure 5, if the force makes the axial displacement distance of the transmission shaft 31 equal to the axial gap, for example, when the transmission shaft 31 moves upward by 1 mm, the transmission shaft 31 lightly touches the buffer rod group 25 and abuts against the buffer. The surface of the rod group 25 is maintained in a suspended state and continues to rotate at a high speed.

Please refer to Fig. 6, if the force causes the axial displacement of the transmission shaft 31 to be greater than the axial gap, for example, when the transmission shaft 31 is displaced upwards by more than 1 mm, the buffer rod group 25 can be pushed by the transmission shaft 31 to float. The limiter 254 and the axial magnetic magnet 22 form a gap, because the buffer rod group 25 axially shifts along with the transmission shaft 31 to avoid excessive friction between the transmission shaft 31 and the buffer rod group 25 Resistance to reduce the speed of the transmission shaft 31;

Please refer to FIG. 7, when the acting force disappears, the magnetic repulsion between the axial magnetic magnet 22 and the buffer magnet 252 will push the buffer rod group 25 back to the original position, and simultaneously push the transmission shaft 31 to make the transmission The shaft 31 is maintained in a state of lightly touching the buffer rod group 25 and continues to rotate. The anti-vibration module 20 buffers the axial movement of the transmission shaft 31 and avoids excessive frictional resistance between the transmission shaft 31 and the buffer rod group 25 to reduce the speed, so that the transmission shaft 31 can maintain high-speed rotation.

Using the above-mentioned technical methods, the shock-proof magnetic levitation power generation device of the present invention has the following efficiency gains:

1. The drive shaft 31 of the maglev power generating device 30 of the present invention is suspended between the two anti-vibration modules 20 by the magnetic repulsion provided by the axial magnetic bearing 60 and the fine-tuning maglev module 80, and is connected to the two anti-vibration modules 20 The buffer rod group 25 formed axial gap without contact, and allows the transmission shaft 31 to have no contact with other components during high-speed rotation, reducing energy loss in the energy transmission process.

2. The anti-vibration module 20 of the anti-vibration device 200 of the present invention can buffer the axial movement of the transmission shaft 31 of the maglev power generation device 30, and avoid the formation of excessive frictional resistance between the transmission shaft 31 and the buffer rod group 25 and reduce the speed. The transmission shaft 31 can maintain high-speed rotation.

3. In the present invention, the induction motor module 40 drives the transmission shaft 31 to rotate at a high speed, and the outer peripheral surface of the rotor 41 of the induction motor module 40 is made of non-magnetic metal, which can reduce the weight of the rotor 41 and can be made smaller Starting electric power drives the transmission shaft 31 to rotate, and at the same time drives the power generation module 50 to convert kinetic energy into electrical energy for continuous power generation.

4. The present invention is provided with two axial magnetic bearings 60, and the axial magnetic rings 63 of the two axial magnetic bearings 60 respectively provide opposite axial magnetic repulsion forces, which can stabilize the axial position of the drive shaft 31 In addition, a bearing outer magnetic ring 61 may be further provided to stabilize the radial stability of the transmission shaft 31 during high-speed rotation.

5. The present invention is provided with a plurality of radial frictionless bearings 70 to stabilize the radial stability of the transmission shaft 31 during high-speed rotation.

10: Pedestal 11: Shelves 111: Piercing 13: Support rod 200: Anti-vibration device 20: Shockproof module 21: Radial magnetic magnet 212: inner hole 22: Axial magnetic magnet 222: inner hole 25: Buffer rod group 250: Rod body 251: Thread 252: Buffer magnet 254: limit piece 30, 30A: Maglev power generation device 31: drive shaft 40: induction motor module 41: Rotor 43: stator 50: power generation module 51: Disk 511: Disc body 513: Magnetic Block 55: coil disk 551: induction coil 60: Axial magnetic bearing 61: Bearing outer magnetic ring 611: Inner Hole 63: Axial magnetic ring 631: inner hole 65: Magnet in the bearing 70: Radial frictionless bearing 71: Outer ring magnet 711: inner hole 73: inner magnet 80: Fine-tuning the maglev module 81: Axis magnet 811: Upper magnetic pole section 812: Lower magnetic pole segment 813: Edge 83: The first magnetic group 831: first pole 832: second pole 84: The second magnetic group 841: first pole 842: second pole

Fig. 1 is a partial cross-sectional side view of the first preferred embodiment of the present invention. Figure 2 is a partially enlarged cross-sectional side view of the first preferred embodiment of the present invention. 3 is a partial cross-sectional side view of the anti-vibration module of the first preferred embodiment of the present invention. 4 to 7 are schematic diagrams of actions of the first preferred embodiment of the present invention. Fig. 8 is a partial enlarged cross-sectional side view of the radial frictionless bearing of the first preferred embodiment of the present invention. 9 is a partial enlarged cross-sectional side view of the induction motor module according to the first preferred embodiment of the present invention. 10 is a partial enlarged cross-sectional side view of the power generation module according to the first preferred embodiment of the present invention. FIG. 11 is a top view of the power generation module according to the first preferred embodiment of the present invention. Figure 12 is a partial cross-sectional side view of the second preferred embodiment of the present invention. 13 is an enlarged cross-sectional side view of a part of the fine-tuning magnetic levitation module of the second preferred embodiment of the present invention.

10: Pedestal

11: Shelves

13: Support rod

200: Anti-vibration device

20: Shockproof module

30: Maglev power generation device

31: drive shaft

40: induction motor module

50: power generation module

60: Axial magnetic bearing

70: Radial frictionless bearing

Claims (8)

An anti-vibration maglev power generation device, which includes a base; an anti-vibration device, which is arranged in the base, and includes two anti-vibration modules, the two anti-vibration modules are respectively arranged on the top and bottom of the base At the end, each anti-vibration module includes a radial magnetic magnet, which is a ring-shaped permanent magnet, fixed in the base, and includes an inner hole; an axial magnetic magnet, which is a ring-shaped permanent magnet, It is fixed in the base and spaced above and below the radial magnetic magnet, and is located on the side far away from the other shockproof module. It includes an inner hole whose diameter is smaller than the diameter of the axial magnetic magnet The diameter of the inner hole of the magnetic magnet; and a buffer rod group, which includes a rod body, which penetrates the inner holes of the radial magnetic force magnet and the axial magnetic force magnet, and the diameter of the rod body is smaller than the axial The diameter of the inner hole of the magnetic magnet; a buffer magnet, which is a permanent magnet, is radially convexly arranged on the rod and is located in the inner hole of the radial magnetic magnet. The diameter of the buffer magnet is larger than that of the axial magnetic magnet The diameter of the shaft inner hole is smaller than the inner hole diameter of the radial magnetic force magnet, the buffer magnet and the radial magnetic force magnet are opposite to each other with the same magnetic polarity, and the buffer magnet and the axial magnetic force magnet face The same magnetic polarities are opposite; and a limiting member is radially protruding from the rod and located on the side of the axial magnetic magnet away from the radial magnetic magnet; and a magnetic levitation power generating device is arranged on the two anti-vibration devices Between the modules, it includes a transmission shaft, which is located between the buffer rod groups of the two shockproof modules and has an axial gap with the buffer rod groups of the two shockproof modules; an induction motor module, which includes a rotor , Its outer peripheral surface is made of non-magnetically sensitive metal and is fixed on the drive shaft; and a stator is fixed on the base and sleeved on the outer circumference of the rotor; two axial magnetic bearings are respectively set on the At the top and bottom ends of the induction motor module, each axial magnetic bearing includes a bearing inner magnet, which is a permanent magnet, and is fixed on the drive shaft; and an axial magnetic ring, which is a ring-shaped permanent magnet. The magnet is fixed in the base to form an axial distance from the magnet in the bearing, and the inner hole diameter of the axial magnetic ring is smaller than the diameter of the magnet in the bearing, and the opposite surface of the axial magnetic ring and the magnet in the bearing To repel the same magnetic polarity, the axial magnetic ring of one axial magnetic bearing is located on the lower side of its corresponding inner magnet, and the axial magnetic ring of the other axial magnetic bearing is located on the upper side of its corresponding inner magnet; At least one power generation module is installed in the base and connected to the transmission shaft; and a plurality of radial frictionless bearings are arranged at intervals along the axial direction of the transmission shaft. The shock-proof magnetic levitation power generation device according to claim 1, wherein each axial magnetic bearing further includes a bearing outer magnetic ring, and the bearing outer magnetic ring is a ring-shaped permanent magnet, which is fixed in the base and sleeved in There is a radial gap between the outer circumference of the inner magnet of the bearing and the inner magnet of the bearing, and the outer magnetic ring of the bearing and the inner magnet of the bearing are opposite to each other with the same magnetic polarity. The anti-vibration maglev power generation device according to claim 2, wherein each radial frictionless bearing includes an inner magnet, which is a permanent magnet, and is fixed on the transmission shaft; and an outer ring magnet, which is a ring-shaped permanent magnet. , Fixed on the base and sleeved on the outer circumference of the inner magnet with a radial gap with the inner magnet, and the outer ring magnet and the inner magnet are opposite to each other with the same magnetic polarity. The anti-vibration magnetic levitation power generation device of claim 3, wherein two adjacently arranged radial frictionless bearings form a pair, and the power generation device is provided with a plurality of pairs of radial frictionless bearings spaced in the axial direction, each pair of radial frictionless bearings The facing surfaces of the two inner magnets and the two outer ring magnets of the friction bearing have the same magnetic polarity. The shock-proof magnetic levitation power generation device according to claim 4, wherein the at least one power generation module includes a coil disk, which is fixed on the base, and includes a plurality of induction coils arranged in a ring and surrounding the outer circumference of the transmission shaft; And two magnetic disks are fixed on the drive shaft and are located on the upper and lower sides of the coil disk. Each disk includes a disk body and is fixed on the drive shaft; a plurality of magnetic blocks are arranged in a ring The disk body faces one side of the coil disk and surrounds the outer circumference of the transmission shaft, and is located at positions corresponding to the induction coils; wherein the number of induction coils of the coil disk is a multiple of the number of magnetic blocks of each disk. The shock-proof magnetic levitation power generation device according to any one of claims 1 to 5, wherein the rod body of each shock-proof module is provided with a thread, and the stopper is screwed to the rod body. The shock-proof maglev power generation device of claim 6, wherein the maglev power generation device further includes a fine-tuned maglev module, the fine-tuned maglev module includes a shaft magnet, which is a permanent magnet, and is fixed to the drive shaft, which includes a The upper magnetic pole section is a cone whose size increases from top to bottom; and the lower magnetic pole section is a cone whose size decreases from top to bottom, and has different magnetic properties from the upper magnetic pole section; a first magnetic force group, It is a permanent magnet, which is fixed on the base, surrounds the outer circumference of the shaft magnet, and forms a magnetic repulsion force with the shaft magnet without contact; and a second magnetic force group is a permanent magnet and is fixed on The base is adjacent to the first magnetic force group, surrounds the outer circumference of the shaft magnet, and forms a magnetic repulsion force with the shaft magnet without contact. The shockproof maglev power generation device according to any one of claims 1 to 5, wherein the maglev power generation device further includes a fine-tuned maglev module, the fine-tuned maglev module includes a shaft magnet, which is a permanent magnet, and is fixed on the The transmission shaft includes an upper magnetic pole section, which is a cone whose size increases from top to bottom; and a lower magnetic pole section, which is a cone whose size decreases from top to bottom, and has different magnetic properties from the upper magnetic pole section; A first magnetic force group is a permanent magnet and is fixed on the base, and surrounds the outer circumference of the shaft magnet, and forms a magnetic repulsion force with the shaft magnet without contact; and a second magnetic force group is a permanent magnet The magnet is fixed on the base, is adjacent to the first magnetic force group, and surrounds the outer circumference of the shaft magnet, and forms a magnetic repulsion force with the shaft magnet without contact.

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