TWI690136B - Shockproof magnetic levitation power generation device - Google Patents

Abstract

An anti-vibration magnetic levitation power generating device includes a base, an anti-vibration device and a magnetic levitation power generating device, the anti-vibration device includes two anti-vibration modules, the magnetic levitation power generating device is disposed between the two anti-vibration modules, the transmission shaft of the magnetic levitation power generating device and the anti-vibration There is an axial gap between the modules. Each anti-vibration module includes a radial magnetic magnet, an axial magnetic magnet and a buffer rod group. The buffer rod group uses a buffer magnet to separate from the radial magnetic magnet and the axial The magnet forms a radial magnetic repulsion force and an axial magnetic repulsion force to suspend the buffer rod group and is limited by the limiting member; the anti-vibration magnetic levitation power generation device of the present invention can buffer the axial direction of the drive shaft of the magnetic levitation power generation device through the anti-vibration module Displacement, and avoid excessive frictional resistance between the transmission shaft and the buffer rod group to reduce the speed.

Description

Shockproof magnetic levitation power generation device

The invention relates to a power generation device, and in particular to a magnetic suspension power generation device with anti-shock function.

The existing power generation device mainly includes a transmission module and a power generation module. The transmission module transmits the kinetic energy provided by the power supply source to the power generation module, and converts the kinetic energy into electrical energy through the generator set. However, in the process of energy transmission, kinetic energy is lost due to frictional resistance, resulting in the energy of the power supply source being difficult to convert to kinetic energy in a high proportion.

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

However, in the above-mentioned magnetic levitation power generation device, the transmission shaft is suspended upright and rotates at a high speed mainly by magnetic repulsion, making the transmission shaft more susceptible to axial vibration due to the influence of external forces. When the transmission shaft vibrates in the axial direction, its top and bottom two The momentary contact force between the end and the base increases and generates frictional resistance, which makes the transmission shaft reduce the rotation speed, and cannot maintain high-speed rotation, and reduces the power generation efficiency. It needs to be further improved. Therefore, the above-mentioned magnetic suspension power generation device is less suitable for bumpy vibration Used in the environment, its application range is limited.

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

In order to achieve the above object, the anti-vibration maglev power generation device of the present invention includes a base; an anti-vibration device is installed in the base, which includes two anti-vibration modules, and the two anti-vibration modules are respectively disposed on the At the top and bottom of the base, each anti-vibration module contains a radial magnetic magnet, which is a ring-shaped permanent magnet. It is fixed in the base and contains an inner hole; an axial magnetic magnet 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 anti-vibration module, which contains an inner hole, the axial magnetic magnet The diameter of the inner hole is smaller than the inner diameter of the radial magnetic magnet; and a buffer rod set, which includes a rod body, is penetrated in 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 magnet; a buffer magnet, which is a permanent magnet, is arranged radially and convexly on the rod body and is located in the inner hole of the radial magnetic magnet. The diameter is larger than the diameter of the inner hole of the axial magnetic magnet and smaller than the diameter of the inner hole 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 shaft The facing surfaces of the diamagnetic magnets have the same magnetic polarity; and a limiter is radially protruding from the rod body and located on the side of the axial magnetic magnet away from the radial magnetic magnet; and a magnetic levitation power generation device, Located between the two anti-vibration modules, it includes a transmission shaft, located between the buffer rod groups of the two anti-vibration modules, and has an axial gap with the buffer rod groups of the two anti-vibration modules; An induction motor module, which includes a rotor, the outer peripheral surface of which is a non-magnetic metal fixed on the transmission shaft; and the stator, which is fixed on the base and sleeved on the outer periphery of the rotor; two Axial magnetic bearings are located at the top and bottom ends of the induction motor module respectively. Each axial magnetic bearing includes a bearing magnet, which is a permanent magnet and is fixed on the transmission shaft; and a shaft The diamagnetic ring is a ring-shaped permanent magnet, which is fixed in the base and forms an axial distance with the magnet in the bearing, and the inner diameter of the axial magnetic ring is smaller than the diameter of the magnet in the bearing. The opposing faces of the magnetic ring and the magnet in the bearing are repulsed with the same magnetic polarity. The axial magnetic ring of one axial magnetic bearing is located under the corresponding magnet in the bearing, and the axial magnetic ring of the other axial magnetic bearing It is located on the upper side of the magnet in the corresponding 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-mentioned technical method, the drive shaft of the magnetic levitation power generation device is suspended between the two anti-vibration modules by magnetic repulsion and forms an axial gap with the buffer rod group of the two anti-vibration modules without contact; the drive shaft is vibrated When the axial displacement is affected by the impact, 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 to reduce the speed, so that the transmission shaft can maintain high speed Spin.

10: Dock

11: Shelf

111: Piercing

13: Support rod

200: Shockproof device

20: Shockproof module

21: Radial magnetic magnet

212: inner hole

22: Axial magnetic magnet

222: inner hole

25: Buffer bar set

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: Disk

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 bearing

70: Radial frictionless bearing

71: outer ring magnet

711: inner hole

73: inner magnet

80: fine-tune maglev module

81: Shaft magnet

811: Upper magnetic pole segment

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 magnetic pole

842: second pole

FIG. 1 is a partial cross-sectional side view of a first preferred embodiment of the present invention.

2 is a partially enlarged cross-sectional side view of the first preferred embodiment of the present invention.

FIG. 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 the first preferred embodiment of the present invention.

8 is a partially enlarged cross-sectional side view of the radial frictionless bearing of the first preferred embodiment of the present invention.

9 is a partially enlarged cross-sectional side view of an induction motor module according to the first preferred embodiment of the present invention.

10 is a partially enlarged cross-sectional side view of the power generation module of the first preferred embodiment of the present invention.

11 is a top view of the power generation module of the first preferred embodiment of the present invention.

12 is a partial cross-sectional side view of a second preferred embodiment of the present invention.

13 is a partial enlarged cross-sectional side view of a fine-tuning maglev module of a second preferred embodiment of the present invention.

1 and 2, a first preferred embodiment of the anti-vibration magnetic levitation power generation device of the present invention includes a base 10, an anti-vibration device 200, and a magnetic levitation power generation device 30. The anti-vibration device 200 is disposed on the base 10 and includes two anti-vibration modules 20. The two anti-vibration modules 20 are respectively disposed on the top and bottom ends of the base 10. The maglev power generation device 30 is disposed on the two anti-vibration devices Between modules 20.

The base 10 may be provided with a plurality of laminates 11 and a plurality of support rods 13, the laminates 11 are arranged at intervals above and below, the support rods 13 are connected to fix 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 set 25. The radial magnetic magnet 21 and the axial magnetic magnet 22 are ring-shaped permanent magnets, which are fixedly arranged in the base 10 in an upper and lower interval, and the radial magnetic magnet 21 and the axial magnetic magnet 22 It can be fixed or embedded in the through holes 111 of the two adjacent plates 11 of the base 10 respectively, and the axial magnetic magnet 22 is located on the side away from the other shockproof module 20; the radial magnetic magnet 21 Both the axial magnetic magnet 22 includes an inner hole 212, 222, and the axial centers of the inner holes 212, 222 Located on the same axis, the inner diameter 212 of the radial magnetic magnet 21 is larger than the inner diameter 222 of the axial magnetic magnet 22.

The buffer rod group 25 includes a rod body 250, a buffer magnet 252 and a limiting member 254. The rod body 250 is inserted into the inner holes 212 and 222 of the radial magnetic magnet 21 and the axial magnetic magnet 22. The diameter of the rod body 250 is smaller than the diameter of the inner hole 222 of the axial magnetic magnet 22; the buffer magnet 252 is a ring-shaped permanent magnet, which is radially protrudingly provided on the rod body 250, which can be screwed and connected to the rod body 250, and is 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, and The magnetic repulsion force is formed and maintained in a state of not contacting each other. The opposing surfaces of the buffer magnet 252 and the axial magnetic force magnet 22 are repulsed with the same magnetic polarity to form a magnetic repulsion force toward the magnetic levitation power generation device 30; the limiter 254 Radially protruding from the rod body 250, the diameter of the circumscribed circle of the limiting member 254 is larger than the diameter of the inner hole 222 of the axial magnetic magnet 22, and is located on the side of the axial magnetic magnet 22 away from the radial magnetic magnet 21 , And leaning against the axial magnetic magnet 22 to limit the axial position of the buffer rod group 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.

Referring to FIG. 1, the magnetic levitation 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.

Please refer to FIG. 1 and FIG. 2, the transmission shaft 31 is vertically disposed between the buffer rod groups 25 of the two anti-vibration modules 20. The transmission shaft 31 may be a single rod body, or a plurality of rod bodies combined with a coupling group As a result, the transmission shaft 31 and the two anti-vibration modules 20 have an axial gap without contact in a preset state, and 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 may be formed into a tapered shape or an arc shape, so that the transmission shaft 31 and the buffer rod group 25 form point contact when contacting.

Preferably, the rod body 250 may further be 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. Moreover, 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 fixedly mounted on the transmission shaft 31, and its outer peripheral surface is a non-magnetic metal, such as an aluminum rotor, a copper rotor, or a mouse. Cage rotors, of which aluminum rotors are preferred, can be made of non-magnetic metal thin shell or squirrel cage rotors to reduce the weight of the rotor 41; the stator 43 is fixed on the base The seat 10 is sleeved around the outer periphery of the rotor 41. The stator 43 includes a plurality of coil windings. After the coil windings of the stator 43 are supplied with an alternating current 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 a repulsive force is formed to drive the rotor 41 to rotate and drive the transmission shaft 31 to rotate.

The two axial magnetic bearings 60 are respectively disposed on 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 magnet 65 is a ring-shaped permanent magnet, which is fixed on the transmission shaft 31, and the axial magnetic ring 63 is a ring-shaped permanent magnet, which is fixed in the base 10 and The bearing 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 magnet 65 and larger than the diameter of the transmission shaft 31, the axial magnetic ring 63 and the bearing magnet 65 The opposing faces of the two are repulsive with the same magnetic polarity, wherein the axial magnetic ring 63 of one of the two axial magnetic bearings 60 is located under the magnet 65 in the bearing, and the magnetic repulsive force is used to provide the power of the transmission shaft 31 to levitate , 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 opposite axial magnetic repulsion force formed by the two axial magnetic bearings 60 stabilizes the axial direction of the transmission shaft 31 In terms of position, the axial magnetic rings 63 of the two axial magnetic bearings 60 may all be located on the side close to the induction motor module 40 or all located on the side 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 periphery of the bearing inner magnet 65. The diameter of the inner hole 611 of the bearing outer magnetic ring 61 is larger than that of the bearing inner magnet The diameter of 65 forms a radial gap with the inner magnet 65 of the bearing, and the outer magnetic ring 61 of the bearing and the inner magnet 65 of the bearing are opposite to the same magnetic polarity to form a magnetic repulsion without contacting each other, and the transmission shaft is stabilized by the magnetic repulsion 31 Radial position when rotating.

10 and 11, the at least one power generation module 50 is installed in the base 10 and is connected to the transmission shaft 31. In this embodiment, the maglev power generation device 30 is provided with two upper and lower intervals 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 induction coils 551 arranged in a ring and at equal intervals. The induction coils 551 are equally spaced around On the outer periphery 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 magnetic disk 51 includes a disk body 511 and a plurality of magnetic forces Block 513, the disk body 511 is fixed on the transmission shaft 31, the magnetic blocks 513 are arranged in a ring on the side of the disk body 511 facing the coil disk 55, and surround the outer periphery of the transmission shaft 31, and According to the positions of the induction coils 551, the magnetic block 513 of each magnetic disk 51 is composed of one or more permanent magnets. The magnetic block 513 of each magnetic disk 51 is linearly opposed to the magnetic block 513 of the other magnetic disk 51, and the linear opposite The facing surfaces of the magnetic blocks 513 are of different magnetic polarities, wherein the number of induction coils 551 is a multiple of the number of magnetic blocks 513 of each magnetic disk 51, for example, the number of induction coils 551 is 6, the magnetic blocks 513 of each magnetic disk 51 The number is three; when the two magnetic disks 51 rotate with the transmission shaft 31, the magnetic flux passing through the induction coil 551 is changed, so that the induction coil 551 generates an induction current and generates electricity.

Please refer to FIG. 8, the radial frictionless bearings 70 are spaced 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 A ring-shaped permanent magnet is fixed on the transmission shaft 31. The outer ring magnet 71 is a ring-shaped permanent magnet, fixed to the base 10, and sleeved on the outer periphery of the inner magnet 73. 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 are the same The magnetic polarities are opposite to form a magnetic repulsion without contacting each other. The magnetic repulsion between the inner magnet 73 and the outer ring magnet 71 effectively avoids the problem of yaw when the transmission shaft 31 rotates, so that the transmission shaft 31 is stable against the base The seat 10 rotates vertically.

Preferably, two adjacent radial frictionless bearings 70 are paired, and the magnetic levitation power generation device 30 is provided with a plurality of pairs of radial frictionless bearings 70 at intervals in the axial direction, for example, when the transmission shaft 31 approaches 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. The opposing surfaces of the two inner magnets 73 and the two outer ring magnets 71 of each pair of radial frictionless bearings 70 are repulsed with the same magnetic polarity, thereby further improving the radial stability of the transmission shaft 31 during high-speed rotation.

Please refer to FIG. 12 and FIG. 13 for the second preferred embodiment of the present invention, wherein the magnetic levitation power generation device 30A further includes a fine-tuning magnetic levitation module 80, the fine-tuning magnetic levitation module 80 is disposed below the power generation module 50, Moreover, a pair of radial frictionless bearings 70 may be provided between the fine-tuning maglev 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, fixed to the transmission shaft 31, and the shaft magnet 81 includes an upper magnetic pole segment 811 and the lower magnetic pole segment 812, the upper magnetic pole segment 811 is a cone that increases in size from top to bottom; the lower magnetic pole segment 812 is a cone that decreases in size from top to bottom, so that the upper magnetic pole segment 811 and the lower An annular ridge 813 is formed at the connection of the magnetic pole segments 812, the upper magnetic pole segment 811 and the lower magnetic pole segment 812 are symmetrical along the annular ridge line 813, and the upper magnetic pole segment 811 and the lower magnetic pole segment 812 have different magnetic polarities, The included angle between the outer cone surface of the upper magnetic pole segment 811 and the lower magnetic pole segment 812 with respect to the transmission shaft 31 is 15 to 75 degrees, among which 30 degrees, 45 degrees, or 60 degrees are preferred.

The first magnetic force group 83 and the second magnetic force group 84 are disposed adjacent to and fixed to 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 than 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 parallel to the lower magnetic pole segment 812 of the shaft magnet 81. Therefore, the first magnetic force group 83 faces the shaft magnet Inner week of 81 The angle between the surface and the transmission shaft 31 can be between 15 degrees and 75 degrees, and is preferably 30 degrees, 45 degrees, or 60 degrees. The first magnetic force group 83 includes a first magnetic pole 831 located above and a second magnetic pole located below The magnetic pole 832, and the second magnetic pole 832 of the first magnetic force group 83 and the lower magnetic pole segment 812 of the shaft magnet 81 have the same magnetic polarity. The second magnetic group 84 can be composed of a plurality of permanent magnet blocks spaced around the outer periphery of the shaft magnet 81, and the permanent magnet blocks are arranged parallel to the lower magnetic pole segment 812 of the shaft magnet 81. The two magnetic groups 84 have a first magnetic pole 841 close to the shaft magnet 81 and a second magnetic pole 842 far from the shaft magnet 81, and the first magnetic pole 841 of the second magnetic group 84 and the lower magnetic pole section 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 on the second magnetic force group 84 In the middle position, 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 to make the transmission shaft 31 vertical Suspended between the anti-vibration devices 200, the magnetic repulsion of the first magnet group 83 and the second magnet group 84 to the shaft magnet 81 enables the transmission shaft 31 to rotate smoothly.

Please refer to FIGS. 2 and 4. In the preset state, the transmission shaft 31 and the two anti-vibration modules 20 have an axial gap without contact, and are vertically 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 axially displaced by the impact of vibration, if the force makes the transmission shaft 31 axial When the displacement distance is smaller than the axial clearance, for example, when the transmission shaft 31 is upwardly displaced by less than 1 mm, the transmission shaft 31 can still be maintained in a floating state not in contact with the buffer rod group 25 and continuously rotate at a high speed.

Please refer to FIG. 5, if the force causes the axial displacement of the transmission shaft 31 to be equal to the axial clearance, for example, when the transmission shaft 31 is displaced upward by 1 mm, the transmission shaft 31 lightly touches the buffer rod group 25 to resist the buffer The surface of the rod group 25 is maintained in a suspended state and continuously rotates at a high speed.

Please refer to FIG. 6, if the axial displacement of the transmission shaft 31 is greater than the axial clearance by the force, for example, when the transmission shaft 31 is upwardly displaced by more than 1 mm, the buffer rod group 25 can be pushed by the transmission shaft 31 The suspension makes the limiter 254 and the axial magnetic magnet 22 form a gap, because the buffer rod group 25 is axially displaced together with the transmission shaft 31, to avoid the generation between the transmission shaft 31 and the buffer rod group 25 Excessive friction resistance reduces the speed of the transmission shaft 31;

Please refer to FIG. 7, when the acting force disappears, the magnetic repulsive force 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 continues to rotate while gently touching the buffer lever group 25. The anti-vibration module 20 buffers the axial movement of the transmission shaft 31, and prevents excessive frictional resistance between the transmission shaft 31 and the buffer rod group 25 to reduce the rotation speed, so that the transmission shaft 31 can maintain high-speed rotation.

Using the above technical methods, the anti-vibration maglev power generation device of the present invention has the following efficiency gains:

1. The transmission shaft 31 of the magnetic levitation power generation device 30 of the present invention is suspended between the two anti-vibration modules 20 by the magnetic repulsion force provided by the axial magnetic bearing 60 and the fine-tuning magnetic levitation module 80, and is connected to the two anti-vibration modules 20 The buffer rod group 25 forms an axial gap without contact, and allows the transmission shaft 31 to rotate without contact with other components at high speed, 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 excessive frictional resistance between the transmission shaft 31 and the buffer rod group 25 to reduce the rotation speed, Therefore, 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 high speed, and the outer peripheral surface of the rotor 41 of the induction motor module 40 is a non-magnetic metal, which can reduce the weight of the rotor 41 and can be reduced by a smaller The power is activated to drive the transmission shaft 31 to rotate, and at the same time, the power generation module 50 is driven to convert the kinetic energy into electrical energy and continue to generate electricity.

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 axial magnetic repulsive forces in opposite directions, which can stabilize the axial direction of the transmission shaft 31. It can be further provided with a bearing outer magnetic ring 61 to stabilize the radial stability of the transmission shaft 31 when rotating at high speed.

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

10: Dock

11: Shelf

13: Support rod

200: Shockproof 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 magnetic levitation power generation device includes a base; an anti-vibration device is set in the base and includes two anti-vibration modules. The two anti-vibration modules are respectively disposed on the top and bottom of the base At the end, each anti-vibration module contains a radial magnetic magnet, which is a ring-shaped permanent magnet, which is fixed in the base and contains an inner hole; an axial magnetic magnet is a ring-shaped permanent magnet, It is fixed in the base and spaced up and down from the radial magnetic magnet, and is located on the side away from the other anti-vibration module. It contains an inner hole. The inner diameter of the axial magnetic magnet is smaller than the diameter The diameter of the inner hole of the magneto-magnetic magnet; and a buffer rod set, which includes a rod body, which is penetrated into the inner holes of the radial magnetic magnet and the axial magnetic magnet, and the diameter of the rod body is smaller than the axial direction The diameter of the inner hole of the magnetic magnet; a buffer magnet, which is a permanent magnet magnet, is radially convexly arranged on the rod body and is located in the inner hole of the radial magnetic magnet, the diameter of the buffer magnet is larger than the axial magnetic magnet The diameter of the inner hole is not smaller than the inner diameter of the radial magnetic magnet. The buffer magnet and the radial magnetic magnet have the same magnetic polarity and do not touch each other, and the buffer magnet and the axial magnetic magnet have the same facing surface The magnetic polarities are opposite; and a limiter is radially protruding from the rod body and located on the side of the axial magnetic magnet away from the radial magnetic magnet; and a magnetic levitation power generation device is provided on the two anti-shock modes Between the groups, it includes a transmission shaft, which is located between the buffer rod groups of the two anti-vibration modules, and has an axial gap with the buffer rod groups of the two anti-vibration modules; an induction motor module, which includes A rotor, the outer peripheral surface of which is a non-magnetic metal, is fixed on the transmission shaft; and the stator is fixed on the base and sleeved on the outer periphery of the rotor; two axial magnetic bearings are respectively Located on 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 transmission shaft; and an axial magnetic ring, which is annular A permanent magnet is fixed in the base to form an axial distance from the bearing magnet, and the inner diameter of the axial magnetic ring is smaller than the diameter of the bearing magnet. The axial magnetic ring and the bearing magnet The opposing faces are repulsed with the same magnetic polarity. One of the axial magnetic bearings has an axial magnetic ring on the lower side of its corresponding bearing magnet, and the other axial magnetic bearing has an axial magnetic ring on its corresponding bearing magnet. At least one power generation module, which is installed in the base and connected to the transmission shaft; and a plurality of radial frictionless bearings, which are arranged at intervals along the axial direction of the transmission shaft. The anti-vibration magnetic levitation power generation device according to claim 1, wherein each axial magnetic bearing further includes an outer bearing magnetic ring, the outer magnetic ring of the bearing is a ring-shaped permanent magnet, fixed in the base and sleeved on The outer periphery of the bearing inner magnet has a radial gap with the bearing inner magnet, and the bearing outer magnetic ring and the bearing inner magnet are of the same magnetic polarity and do not contact each other. The anti-vibration magnetic levitation power generation device according to claim 2, wherein each radial non-friction bearing includes an inner magnet, which is a permanent magnet, 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 periphery of the inner magnet with a radial gap between the inner magnet, the outer ring magnet and the inner magnet are of the same magnetic polarity and do not contact each other. The anti-vibration maglev power generation device as described in claim 3, wherein two adjacent radial frictionless bearings are paired, and the power generation device is provided with a plurality of pairs of radial frictionless bearings in the axial interval, each pair of radial non-friction bearings The opposing surfaces of the two inner magnets and the two outer ring magnets of the friction bearing have the same magnetic polarity. The anti-vibration magnetic levitation power generation device according to claim 4, wherein the at least one power generation module includes a coil disk fixed on the base, and includes a plurality of induction coils arranged in a ring shape and surrounding the outer periphery of the transmission shaft; And two magnetic disks, which are fixed on the transmission shaft and respectively located on the upper and lower sides of the coil disk, each magnetic disk includes a disk body, which is fixedly installed on the transmission shaft; a plurality of magnetic blocks are arranged in a ring arrangement on the The disc body faces one side of the coil disc and surrounds the outer periphery of the transmission shaft, and is located at a position corresponding to the induction coils; wherein, the number of the induction coils of the coil disc is a multiple of the number of magnetic blocks of each magnetic disk. The anti-vibration magnetic levitation power generation device according to any one of claims 1 to 5, wherein the rod body of each anti-vibration module is provided with a screw thread, and the limiting member is screwed to the rod body. The anti-vibration magnetic levitation power generation device according to claim 6, wherein the magnetic levitation power generation device further includes a fine-tuning magnetic levitation module, the fine-tuning magnetic levitation module includes a shaft magnet, which is a permanent magnet, and is fixed to the transmission shaft, which includes a The upper pole segment is a cone that increases in size from top to bottom; and the lower pole segment is a cone that decreases in size from top to bottom and has a different magnetic property from the upper pole segment; a first magnetic force group, It is a permanent magnet and is fixed to the base and surrounds the outer periphery of the shaft magnet and forms a magnetic repulsion with the shaft magnet without contact; and A second magnetic force group is a permanent magnet and is fixed on the base, adjacent to the first magnetic force group, and surrounds the outer periphery of the shaft magnet, and forms a magnetic repulsive force with the shaft magnet without contact. The anti-vibration magnetic levitation power generation device according to any one of claims 1 to 5, wherein the magnetic levitation power generation device further includes a fine-tuning magnetic levitation module, and the fine-tuning magnetic levitation module includes a shaft magnet, which is a permanent magnet and is fixed to the The transmission shaft, which includes an upper magnetic pole segment, is a cone that increases in size from top to bottom; and a lower magnetic pole segment, which is a cone that decreases in size from top to bottom, and has a different magnetic property from the upper pole segment; A first magnetic force group, which is a permanent magnet, is fixed on the base, and surrounds the outer periphery of the shaft magnet, and forms a magnetic repulsion force with the shaft magnet without contact; and a second magnetic force group, which is a permanent magnet The magnet is fixed on the base, is adjacent to the first magnetic force group, and surrounds the outer periphery of the shaft magnet, and forms a magnetic repulsive force with the shaft magnet without contact.

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