High-stability permanent magnet magnetic motor

Abstract

The invention provides a high-stability permanent magnet magnetic motor, and relates to the field of magnetic motors, the high-stability permanent magnet magnetic motor comprises a shell and a stable rotation mechanism, the stable rotation mechanism is arranged in the shell, a heat dissipation mechanism is arranged in the shell, one side of the surface of the shell is connected with a connecting seat, and a damping mechanism is arranged on the surface of the connecting seat. The permanent magnet design of a multi-layer composite structure is adopted in the stable rotation mechanism, an outer-layer nanoscale antimagnetic material isolates external interference, a middle-layer rare earth permanent magnet material achieves temperature compensation, the demagnetization risk of the permanent magnet is reduced, the frequency of replacement caused by performance reduction of the permanent magnet is reduced, and through ceramic balls and annular grooves which are precisely matched, the stability of the permanent magnet is improved. The precise relative position of the rotor and the stator core is effectively guaranteed, the vibration of the motor during operation can be efficiently absorbed through the damping mechanism, the influence of the vibration on the internal structure of the motor is reduced, the motor can still operate stably under complex working conditions, and the operation reliability of equipment is greatly improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of magnetic electric motors, in particular to a high-stability permanent-magnet magnetic electric motor. BACKGROUND

[0002] A magnetic electric motor is a device for realizing energy conversion and mechanical movement through magnetic field interaction, and the magnetic electric motor is used for efficiently converting electromagnetic energy into mechanical energy through the magnetic field interaction of permanent magnets or electromagnetic coils on a stator and a rotor. With the development of high-performance permanent magnets and the progress of motor control technology, the magnetic electric motor is continuously innovated in structural design and energy conversion efficiency. The magnetic electric motor is widely used in industrial automation equipment, new energy vehicle driving systems, consumer electronic products and aerospace fields due to the characteristics of high power density, fast response speed and smooth operation, and provides a reliable power solution for the precise and efficient operation of various devices. Therefore, a high-stability permanent-magnet magnetic electric motor is particularly needed.

[0003] However, the permanent magnet of the permanent-magnet magnetic electric motor is prone to demagnetization under complex working conditions such as high temperature and vibration, which leads to a decrease in the rotation efficiency of the rotor. The relative position of the rotor and the stator of the motor with a traditional structure is prone to deviation at high speed, which causes output voltage fluctuation. SUMMARY

[0004] The application aims to provide a high-stability permanent-magnet magnetic electric motor to solve the problems of the existing permanent-magnet magnetic electric motor, i.e., the permanent magnet is prone to demagnetization under complex working conditions such as high temperature and vibration, which leads to a decrease in the rotation efficiency of the rotor, and the relative position of the rotor and the stator of the motor with a traditional structure is prone to deviation at high speed, which causes output voltage fluctuation.

[0005] To achieve the above-mentioned purpose, the application provides a high-stability permanent-magnet magnetic electric motor, which comprises an outer shell and a rotation-stabilizing mechanism, the inner part of the outer shell is provided with the rotation-stabilizing mechanism, the inner part of the outer shell is provided with a heat dissipation mechanism, one side of the surface of the outer shell is connected with a connecting seat, the inner part of the outer shell is penetrated and connected with a rotating shaft, the surface of the outer shell is connected with a mounting plate, and the surface of the connecting seat is provided with a damping mechanism.

[0006] The rotation-stabilizing mechanism comprises a stator core, a rotor, a stator winding, an annular groove, a permanent magnet body and ceramic balls, the inner part of the outer shell is embedded with the stator core, the surface of the rotating shaft is penetrated and connected with the rotor, the inner side of the stator core is wound with the stator winding, the inner side of the stator winding is provided with the annular groove, the surface of the rotor is embedded with the permanent magnet body, and the surface of the rotor is embedded with the ceramic balls.

[0007] Preferably, the permanent magnet body adopts a multi-layer composite structure, the innermost layer of the permanent magnet body is made of neodymium iron boron material, the middle layer of the permanent magnet body is made of rare earth permanent magnet material, and the outer layer of the permanent magnet body is made of nanoscale magnetic shielding material.

[0008] Preferably, one end of the ceramic ball is embedded in the inside of the ring groove, and the permanent magnet body is in a plurality of ring-shaped equidistant distribution.

[0009] Preferably, the heat dissipation mechanism comprises a side ear hole, a first dust screen, a heat dissipation hole, a heat dissipation fin, a heat dissipation fan and a second dust screen, the surface of the shell is provided with a side ear hole, the surface of the shell is embedded with a first dust screen, the surface of the shell is provided with a heat dissipation hole, the surface of the shell is connected with a heat dissipation fin, one end of the shaft is connected with a heat dissipation fan, and the inside of the side ear hole is embedded with a second dust screen.

[0010] Preferably, the first dust screen is embedded in the inside of the heat dissipation hole, and the side ear hole is provided with two groups.

[0011] Preferably, the damping mechanism comprises a base, a guide rod, an elastic damping piece, a buffer spring, a sliding block and a connecting plate, one end of the connecting seat is connected with the base, the inner side of the base is connected with the guide rod, the inner side of the base is connected with the elastic damping piece, one end of the guide rod is connected with the buffer spring, one end of the guide rod is connected with the sliding block, and the surface of the sliding block is hinged with the connecting plate.

[0012] Preferably, one end of the connecting plate is hinged with the connecting seat, and the connecting plate is provided with two groups.

[0013] Preferably, the elastic damping piece is provided with three groups, and the elastic damping pieces are in equidistant distribution.

[0014] Preferably, one end of the elastic damping piece is connected with the connecting seat, and the guide rod is provided with two groups.

[0015] Compared with the prior art, the application has the following advantages:

[0016] 1. The precise ceramic ball and ring groove effectively ensure the accurate relative position of the rotor and the stator core, reduce the running fluctuation caused by unstable magnetic field or component deviation, and the buffer spring, the elastic damping piece and the connecting plate in the damping mechanism work cooperatively to efficiently absorb the motor running vibration, reduce the influence of vibration on the internal structure of the motor, enable the motor to still operate stably under complex working conditions, greatly improve the equipment operation reliability, prolong the overall maintenance period of the motor, reduce the maintenance workload, thereby significantly reducing the maintenance cost of the equipment throughout the life cycle and improving the economic benefit.

[0017] 2、The heat dissipation mechanism adopts a unique air duct design, the rotating shaft drives the heat dissipation fan to rotate, cold air is sucked from the heat dissipation hole, and after the heat is taken away inside the motor, it is discharged from the side ear hole, and the dust screen effectively blocks the dust from entering, avoids the influence of dust accumulation on the heat dissipation effect, in addition, the heat dissipation fins on the surface of the shell further increase the heat dissipation area, speed up the heat dissipation speed, effectively prevent the demagnetization of the permanent magnet or the performance degradation of the parts caused by heat accumulation inside the motor, ensure that all parts inside the motor are always at an appropriate working temperature, prolong the overall service life of the motor.

[0018] 3、The permanent magnet of the multi-layer composite structure is designed, the outer layer of nanoscale anti-magnetic material isolates external interference and corrosion, the middle layer of rare earth permanent magnet material realizes temperature compensation, reduces the demagnetization risk of the permanent magnet, and reduces the frequency of replacement due to the performance degradation of the permanent magnet. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure of the present application.

[0020] Figure 2 It is the structure diagram of the stable rotation mechanism of the present application.

[0021] Figure 3 It is the exploded structure diagram of the stable rotation mechanism of the present application.

[0022] Figure 4 It is the sectional structure diagram of the damping mechanism of the present application.

[0023] Figure 5 It is the exploded structure diagram of the heat dissipation mechanism of the present application.

[0024] Figure 6 It is the Figure 3 enlarged structure diagram of A in the present application.

[0025] Figure 7 It is the Figure 4 enlarged structure diagram of B in the present application.

[0026] Figure 8 It is the Figure 5 enlarged structure diagram of C in the present application.

[0027] In the figure: 1, the shell; 2, the stable rotation mechanism; 201, the stator core; 202, the rotor; 203, the stator winding; 204, the ring groove; 205, the permanent magnet body; 206, the ceramic ball; 3, the heat dissipation mechanism; 301, the side ear hole; 302, the first dust screen; 303, the heat dissipation hole; 304, the heat dissipation fin; 305, the heat dissipation fan; 306, the second dust screen; 4, the connecting seat; 5, the rotating shaft; 6, the mounting plate; 7, the damping mechanism; 701, the base; 702, the guide rod; 703, the elastic damping piece; 704, the buffer spring; 705, the sliding block; 706, the connecting plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-8 The present application provides a high-stability permanent magnet magnetic motor, which comprises a shell 1 and a stable rotation mechanism 2, the inside of the shell 1 is provided with the stable rotation mechanism 2, the inside of the shell 1 is provided with a heat dissipation mechanism 3, one side of the surface of the shell 1 is connected with a connecting seat 4, the inside of the shell 1 is penetratedly connected with a rotating shaft 5, the surface of the shell 1 is connected with a mounting plate 6, and the surface of the connecting seat 4 is provided with a damping mechanism 7.

[0030] The stable rotation mechanism 2 comprises a stator core 201, a rotor 202, a stator winding 203, an annular groove 204, a permanent magnet body 205 and a ceramic ball 206, the inside of the shell 1 is embedded with the stator core 201, the surface of the rotating shaft 5 is penetratedly connected with the rotor 202, the inner side of the stator core 201 is wound with the stator winding 203, the inner side of the stator winding 203 is provided with the annular groove 204, the surface of the rotor 202 is embedded with the permanent magnet body 205, and the surface of the rotor 202 is embedded with the ceramic ball 206. Through the arrangement of the stator core 201, the rotor 202, the stator winding 203, the annular groove 204, the permanent magnet body 205 and the ceramic ball 206, when the magnetic motor works, the current is passed into the stator winding 203 to generate a magnetic field, which interacts with the permanent magnet body 205 of the multi-layer composite structure on the surface of the rotor 202. The innermost layer of the permanent magnet body 205 provides a strong magnetic field, the intermediate layer of rare earth material realizes temperature compensation, and the outer layer of nanoscale anti-magnetic material isolates interference, so as to guarantee stable magnetic performance. The magnetic field of the two interacts to drive the rotor 202 to drive the rotating shaft 5 to rotate at high speed. At the same time, one end of the ceramic ball 206 embedded on the surface of the rotor 202 is embedded in the annular groove 204 on the inner side of the stator winding 203, and the ceramic ball 206 rolls in the annular groove 204 to play a supporting and guiding role, so as to ensure the accurate relative position of the rotor 202 and the stator core 201 and maintain the stable operation of the motor. The heat dissipation mechanism 3 in the shell 1 dissipates the heat generated during operation in time, and the damping mechanism 7 on the surface of the connecting seat 4 reduces the influence of vibration, so as to guarantee the efficient and stable operation of the motor under complex working conditions.

[0031] Further, the permanent magnet body 205 adopts a multi-layer composite structure, the innermost layer of the permanent magnet body 205 is made of neodymium iron boron material, the middle layer of the permanent magnet body 205 is made of rare earth permanent magnet material, and the outer layer of the permanent magnet body 205 is made of nanoscale magnetic shielding material. Through the arrangement of the permanent magnet body 205, in use, the innermost layer of the permanent magnet body 205 made of neodymium iron boron material provides a strong and stable basic magnetic field, the middle layer of the permanent magnet body 205 made of rare earth permanent magnet material realizes temperature compensation and reduces the influence of high temperature on magnetic properties, and the outer layer of the permanent magnet body 205 made of nanoscale magnetic shielding material isolates external magnetic field interference and harmful substances such as moisture and dust, and the three work together to ensure the stable magnetic properties of the motor under complex working conditions.

[0032] Further, one end of the ceramic ball 206 is embedded in the inside of the ring groove 204, and the permanent magnet body 205 is distributed in multiple groups in the form of a ring with equal spacing. Through the arrangement of the ceramic ball 206, in use, the ceramic ball 206 is embedded on the surface of the rotor 202 and cooperates with the ring groove 204 on the inside of the stator winding 203, and rolls in the ring groove 204 when the rotor 202 rotates, thereby supporting the rotor 202, guiding and reducing friction, ensuring the accurate relative position of the rotor 202 and the stator core 201, and reducing the risk of unstable operation caused by deviation.

[0033] Further, the heat dissipation mechanism 3 includes a side ear hole 301, a first dust screen 302, a heat dissipation hole 303, a heat dissipation fin 304, a heat dissipation fan 305, and a second dust screen 306. The surface of the housing 1 is provided with a side ear hole 301, and the surface of the housing 1 is embedded with a first dust screen 302. The surface of the housing 1 is provided with a heat dissipation hole 303, and the surface of the housing 1 is connected with a heat dissipation fin 304. One end of the rotating shaft 5 is connected with a heat dissipation fan 305, and the inside of the side ear hole 301 is embedded with a second dust screen 306. Through the arrangement of the side ear hole 301, the first dust screen 302, the heat dissipation hole 303, the heat dissipation fin 304, the heat dissipation fan 305 and the second dust screen 306, in use, the rotating shaft 5 drives the heat dissipation fan 305 to rotate, and the cold air outside is sucked into the heat dissipation hole 303. The first dust screen 302 embedded in the heat dissipation hole 303 can effectively intercept dust and other foreign matters, preventing them from entering the inside of the motor. The inhaled cold air flows in the inside of the motor, blows the heat generated during operation, and is then discharged through the side ear hole 301. The second dust screen 306 in the side ear hole 301 also plays a dustproof role, preventing foreign matters from entering through the air outlet. At the same time, the heat dissipation fin 304 on the surface of the housing 1 increases the contact area with air, speeds up the transfer of heat to the outside environment, and significantly reduces the accumulation of heat in the inside of the motor, thereby maintaining the stable operation of the motor at an appropriate temperature and ensuring the performance and service life of the internal components.

[0034] Further, the first dust screen 302 is embedded in the inside of the heat dissipation hole 303, and the side hole 301 is provided with two groups, through the setting of the first dust screen 302, in use, the first dust screen 302 is used for dust prevention, while ensuring that air flows smoothly into the inside of the motor, continuously plays the dust prevention effect, effectively reduces the influence of dust accumulation on the heat dissipation efficiency, reduces the risk of equipment failure caused by dust blocking the heat dissipation channel, ensures the long-term stable operation of the heat dissipation system, and further improves the reliability and durability of the motor as a whole.

[0035] Further, the damping mechanism 7 includes a base 701, a guide rod 702, an elastic damping piece 703, a buffer spring 704, a sliding block 705 and a connecting plate 706, one end of the connecting seat 4 is connected with the base 701, the inner side of the base 701 is connected with the guide rod 702, the inner side of the base 701 is connected with the elastic damping piece 703, one end of the guide rod 702 penetrates and is connected with the buffer spring 704, one end of the guide rod 702 penetrates and is connected with the sliding block 705, the surface of the sliding block 705 is hinged with the connecting plate 706, through the setting of the base 701, the guide rod 702, the elastic damping piece 703, the buffer spring 704, the sliding block 705 and the connecting plate 706, in use, when the motor runs and generates vibration, the connecting seat 4 transmits the vibration to the connecting plate 706, the connecting plate 706 drives the sliding block 705 to slide on the guide rod 702, in this process, the buffer spring 704 absorbs part of the vibration energy by compression and rebound, at the same time, the elastic damping piece 703 generates damping effect, converts the vibration energy into heat energy and consumes it, thereby effectively slowing down the transmission of vibration and reducing the influence of motor vibration on external equipment and the interference of external vibration on the motor.

[0036] Further, one end of the connecting plate 706 is hinged with the connecting seat 4, the connecting plate 706 is provided with two groups, through the setting of the connecting plate 706, in use, the two groups of hinged connecting plates 706 can buffer the vibration of the connecting seat 4 from two directions, forming a stable triangular damping structure, making the damping effect more balanced.

[0037] Further, the elastic damping piece 703 is provided with three groups, and the elastic damping pieces 703 are distributed at equal intervals, through the setting of the elastic damping piece 703, in use, the three groups of elastic damping pieces 703 distributed at equal intervals can evenly disperse the vibration impact force, avoid local overloading leading to damping failure, when the motor vibrates, each elastic damping piece 703 simultaneously plays a damping energy dissipation role, effectively inhibits vibration of different frequencies and directions, enhances the overall stability and reliability of the damping mechanism 7, and ensures that the motor can also run smoothly under complex working conditions.

[0038] Further, one end of the elastic damping piece 703 is connected with the connecting seat 4, the guide rod 702 is provided with two groups, through the arrangement of the guide rod 702, in use, the two groups of guide rods 702 provide stable sliding tracks for the sliding block 705, ensure that the sliding block 705 moves stably in the damping process, avoid the phenomenon of deviation or jam.

[0039] Working principle: a high stability permanent magnet magnetic motor, when the magnetic motor runs, the current through the stator winding 203 generates a magnetic field, which interacts with the surface of the rotor 202 multi-layer composite permanent magnet body 205, drives the rotor 202 to rotate at high speed, at the same time, the ceramic ball 206 on the rotor 202 rolls in the ring groove 204 of the stator winding 203, ensures the position of the rotor 202 and the stator core 201 accurate, in the running process, the rotating shaft 5 drives the cooling fan 305 to suck the external cold air from the cooling hole 303, after filtering the dust through the first dust screen 302, absorbs the heat in the motor, and then discharges from the side ear hole 301, the cooling fins 304 on the surface of the shell 1 accelerate the heat dissipation, maintain the appropriate working temperature of the motor, when the motor produces vibration, the vibration is transmitted to the connecting plate 706 through the connecting seat 4, drives the sliding block 705 to slide on the guide rod 702, the buffer spring 704 absorbs energy, the elastic damping piece 703 consumes energy, the two groups of guide rods 702 ensure the stable movement of the sliding block 705, form a stable damping structure, three mechanisms guarantee the high efficiency and stable operation of the motor in complex working conditions.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-stability permanent-magnet magnetic motor comprising a housing (1) and a flywheel mechanism (2), characterized in that: The inside of the shell (1) is provided with a stable rotation mechanism (2), the inside of the shell (1) is provided with a heat dissipation mechanism (3), one side of the surface of the shell (1) is connected with a connecting seat (4), the inside of the shell (1) is connected with a rotating shaft (5) penetratingly, the surface of the shell (1) is connected with a mounting plate (6), the surface of the connecting seat (4) is provided with a damping mechanism (7); The stable rotation mechanism (2) comprises a stator core (201), a rotor (202), a stator winding (203), an annular groove (204), a permanent magnet body (205) and a ceramic ball (206), the inside of the shell (1) is fitted with the stator core (201), the surface of the rotating shaft (5) is connected with the rotor (202) penetratingly, the inside of the stator core (201) is wound with the stator winding (203), the inside of the stator winding (203) is provided with the annular groove (204), the surface of the rotor (202) is fitted with the permanent magnet body (205), and the surface of the rotor (202) is fitted with the ceramic ball (206).

2. A high-stability permanent magnet motor as claimed in claim 1, characterized in that: The permanent magnet body (205) adopts a multi-layer composite structure, the innermost layer of the permanent magnet body (205) is made of neodymium iron boron material, the middle layer of the permanent magnet body (205) is made of rare earth permanent magnet material, and the outer layer of the permanent magnet body (205) is made of nanoscale anti-magnetic material.

3. A high-stability permanent magnet motor as claimed in claim 1, characterized in that: One end of the ceramic ball (206) is fitted in the inside of the annular groove (204), and the permanent magnet body (205) is in multiple groups of annular equidistant distribution.

4. A high-stability permanent magnet motor as claimed in claim 1, characterized in that: The heat dissipation mechanism (3) comprises a side ear hole (301), a first dust screen (302), a heat dissipation hole (303), a heat dissipation fin (304), a heat dissipation fan (305) and a second dust screen (306), one side of the surface of the shell (1) is provided with the side ear hole (301), the surface of the shell (1) is fitted with the first dust screen (302), the surface of the shell (1) is provided with the heat dissipation hole (303), the surface of the shell (1) is connected with the heat dissipation fin (304) penetratingly, one end of the rotating shaft (5) is connected with the heat dissipation fan (305) penetratingly, and the inside of the side ear hole (301) is fitted with the second dust screen (306).

5. A high-stability permanent magnet motor as claimed in claim 4, characterized in that: The first dust screen (302) is fitted in the inside of the heat dissipation hole (303), and the side ear hole (301) is provided with two groups.

6. A high-stability permanent magnet motor as claimed in claim 1, characterized in that: The damping mechanism (7) comprises a base (701), a guide rod (702), an elastic damping piece (703), a buffer spring (704), a sliding block (705) and a connecting plate (706), one end of the connecting seat (4) is connected with the base (701), the inside of the base (701) is connected with the guide rod (702), the inside of the base (701) is connected with the elastic damping piece (703), one end of the guide rod (702) is connected with the buffer spring (704) penetratingly, one end of the guide rod (702) is connected with the sliding block (705) penetratingly, and the surface of the sliding block (705) is hinged with the connecting plate (706).

7. A high-stability permanent magnet motor as claimed in claim 6, characterized in that: One end of the connecting plate (706) is hinged with the connecting seat (4), and the connecting plate (706) is provided with two groups.

8. A high-stability permanent magnet motor as claimed in claim 6, characterized in that: The elastic damping piece (703) is provided with three groups, and the elastic damping pieces (703) are equidistantly distributed.

9. A high-stability permanent magnet motor as claimed in claim 6, characterized in that: One end of the elastic damping piece (703) is connected with the connecting seat (4), and the guide rod (702) is provided with two groups.

Images