Noise-reduction high-speed permanent magnet synchronous motor

Abstract

The utility model provides a noise-reduction high-speed permanent magnet synchronous motor which comprises a bracket, a noise-reduction assembly is fixedly installed at the top of the bracket, a damping ring is fixedly installed at the bottom in the noise-reduction assembly, an installation base is fixedly installed at the top of the damping ring, and a motor body is fixedly installed at the top of the installation base. The outer side of the motor body is provided with an output shaft, and the outer side of the output shaft is rotatably provided with a mute bearing. According to the noise-reduction high-speed permanent magnet synchronous motor, the noise reduction assembly is arranged, noise generated during operation of the motor is effectively absorbed, noise pollution is reduced, vibration transmission of the motor can be reduced through the damping device, generation of noise is further reduced, and the heat dissipation requirement of the motor in the operation process is guaranteed through the heat dissipation holes; meanwhile, noise transmission can be reduced as much as possible, the mute bearing can reduce friction and noise when the rotating shaft rotates, the operation stability of the motor is improved, meanwhile, the overall structure is simple, installation is convenient, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to motors, and in particular to a noise-reduced high-speed permanent magnet synchronous motor. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. A motor is a device that converts electrical energy into mechanical energy. Motor noise primarily comes from electromagnetic noise and mechanical noise. Electromagnetic noise is primarily caused by magnetostriction and vibration of the iron core due to the periodically varying radial electromagnetic force or unbalanced magnetic pull in the motor. High noise levels can be harmful to the human body. Therefore, there is a particular need for a noise-reducing high-speed permanent magnet synchronous motor.

[0003] However, existing high-speed permanent magnet synchronous motors often generate large noises during operation, which not only causes noise pollution to the working environment, but also may affect the performance and service life of the equipment. No noise reduction mechanism is designed, which makes it very noisy during use, which is not conducive to the work of the staff. At the same time, no protective structure is set up. When the motor is exposed to the outside, it may cause harm to the health of the staff and reduce work production efficiency. Utility Model Content

[0004] The purpose of the present utility model is to provide a noise-reducing high-speed permanent magnet synchronous motor to solve the problem that the existing high-speed permanent magnet synchronous motor proposed in the above background technology often generates relatively large noise during operation, which not only causes noise pollution to the working environment, but also may affect the performance and service life of the equipment. No noise reduction mechanism is designed, so that extremely large noise is generated during use, which is not conducive to the work of the staff. At the same time, no protective structure is set. When the motor is exposed to the outside, it may cause harm to the health of the staff and reduce work production efficiency.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a noise-reducing high-speed permanent magnet synchronous motor, comprising a bracket, a noise reduction component fixedly installed on the top of the bracket, a shock-absorbing ring fixedly installed on the bottom inside the noise reduction component, a mounting base fixedly installed on the top of the shock-absorbing ring, a motor body fixedly installed on the top of the mounting base, an output shaft is provided on the outside of the motor body, a silent bearing is rotatably installed on the outside of the output shaft, a shock-absorbing rod is fixedly installed on the top of the silent bearing, a heat dissipation net is provided on the outside of the motor body, and a positioning pin is fixedly installed on the bottom of the motor body.

[0006] Preferably, the noise reduction component includes a noise reduction shell, heat dissipation holes, mounting holes, reserved holes, rubber sound insulation pads, sound insulation cotton and sound insulation boards. The noise reduction shell is fixedly installed on the top of the bracket, heat dissipation holes are provided on the outside of the noise reduction shell, mounting holes are provided on the top of the noise reduction shell, reserved holes are provided on the outside of the noise reduction shell, a rubber sound insulation pad is fixedly installed on the top of the inside of the noise reduction shell, sound insulation cotton is provided on the inner wall of the noise reduction shell, a sound insulation board is fixedly installed on the bottom of the inside of the noise reduction shell, four identical sound insulation boards are provided, and the four sound insulation boards are diagonally distributed inside the noise reduction shell.

[0007] Preferably, the shock absorbing ring and the mounting base are located inside the noise reduction shell, and vertical center lines of the noise reduction shell, the shock absorbing ring and the mounting base are located on the same vertical center line.

[0008] Preferably, the output shaft is matched with a silent bearing, and the silent bearing is connected to the shock-absorbing rod by welding.

[0009] Preferably, the diameter of the mounting hole is consistent with the size of the shock-absorbing rod, and the reserved hole is adapted to the output shaft.

[0010] Preferably, the motor body is located inside the noise reduction housing, and the motor body and the noise reduction housing do not contact each other.

[0011] Preferably, the positioning pins pass through the motor body and extend to the bottom of the mounting base. Four identical positioning pins are provided, and the four positioning pins are symmetrically distributed about the vertical center line of the mounting base.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the noise-reducing high-speed permanent magnet synchronous motor can effectively absorb the noise generated during the operation of the motor and reduce noise pollution by setting a noise reduction component. At the same time, multiple shock-absorbing and sound-isolating devices are set, which effectively alleviates the problem that the traditional motor noise reduction effect is poor and the noise is loud and harmful to the human body. The setting of the shock-absorbing device can reduce the vibration transmission of the motor and further reduce the noise generation. The design of the heat dissipation holes ensures the heat dissipation requirements of the motor during operation, while minimizing the transmission of noise. The use of silent bearings can reduce the friction and noise during the rotation of the shaft and improve the operating stability of the motor. At the same time, the overall structure is simple, and the installation is more convenient and quick, which effectively improves the overall stability and improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional split structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the motor body of the utility model;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the noise reduction component of the utility model.

[0017] In the figure: 1. Bracket; 2. Noise reduction component; 201. Noise reduction shell; 202. Heat dissipation hole; 203. Mounting hole; 204. Reserved hole; 205. Rubber sound insulation pad; 206. Sound insulation cotton; 207. Sound insulation board; 3. Shock absorber ring; 4. Mounting base; 5. Motor body; 6. Output shaft; 7. Silent bearing; 8. Shock absorber rod; 9. Heat dissipation net; 10. Positioning pin. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-4 The utility model provides a technical solution: a noise-reducing high-speed permanent magnet synchronous motor, comprising a bracket 1, a noise reduction component 2 is fixedly installed on the top of the bracket 1, a shock-absorbing ring 3 is fixedly installed on the bottom inside the noise reduction component 2, a mounting base 4 is fixedly installed on the top of the shock-absorbing ring 3, a motor body 5 is fixedly installed on the top of the mounting base 4, an output shaft 6 is provided on the outside of the motor body 5, a silent bearing 7 is rotatably installed on the outside of the output shaft 6, a shock-absorbing rod 8 is fixedly installed on the top of the silent bearing 7, a heat dissipation net 9 is provided on the outside of the motor body 5, and a positioning pin 10 is fixedly installed on the bottom of the motor body 5.

[0020] Furthermore, the noise reduction component 2 includes a noise reduction shell 201, a heat dissipation hole 202, a mounting hole 203, a reserved hole 204, a rubber sound insulation pad 205, sound insulation cotton 206 and a sound insulation board 207. The noise reduction shell 201 is fixedly installed on the top of the bracket 1, the outside of the noise reduction shell 201 is provided with a heat dissipation hole 202, the top of the noise reduction shell 201 is provided with a mounting hole 203, the outside of the noise reduction shell 201 is provided with a reserved hole 204, the top of the inside of the noise reduction shell 201 is fixedly installed with a rubber sound insulation pad 205, the inner wall of the noise reduction shell 201 is provided with sound insulation cotton 206, and the bottom of the inside of the noise reduction shell 201 is fixedly installed with a sound insulation board 207. There are four identical sound insulation boards 207, and the four sound insulation boards 207 are diagonally distributed inside the noise reduction shell 201. By setting the noise reduction component 2, the noise generated during the operation of the motor can be effectively absorbed and noise pollution can be reduced.

[0021] Furthermore, the shock-absorbing ring 3 and the mounting base 4 are located inside the noise reduction shell 201, and the vertical center lines of the noise reduction shell 201, the shock-absorbing ring 3 and the mounting base 4 are located on the same vertical center line. Through the setting of the shock-absorbing ring 3, the problem that the traditional motor noise reduction effect is poor and the noise is loud and harmful to the human body is effectively alleviated.

[0022] Furthermore, the output shaft 6 is adapted to the silent bearing 7, and the silent bearing 7 is welded to the shock-absorbing rod 8. By setting the silent bearing 7, the friction and noise during the rotation of the output shaft 6 can be reduced, thereby improving the operating stability of the motor.

[0023] Furthermore, the aperture of the mounting hole 203 is consistent with the size of the shock-absorbing rod 8, and the reserved hole 204 is adapted to the output shaft 6. Through the coordination between the mounting hole 203 and the shock-absorbing rod 8, and the coordination between the reserved hole 204 and the output shaft 6, the overall stability is effectively improved and the practicality of the device is improved.

[0024] Furthermore, the motor body 5 is located inside the noise reduction housing 201, and the motor body 5 and the noise reduction housing 201 do not contact each other. Since the motor body 5 and the noise reduction housing 201 do not contact each other, the overall structure is more stable and no large friction is generated, thereby extending the service life of the motor body 5.

[0025] Furthermore, the positioning pins 10 pass through the motor body 5 and extend to the bottom of the mounting base 4. There are four identical positioning pins 10, and the four positioning pins 10 are symmetrically distributed about the vertical center line of the mounting base 4. Through the setting of the positioning pins 10, the motor body 5 can be stably fixed on the top of the mounting base 4, so that the motor body 5 can be more stable during operation, thereby improving the overall stability and higher practicality.

[0026] Working principle: When in use, the staff will fix the noise reduction component 2 on the bracket 1, and then the staff will place the motor body 5 on the noise reduction component 2 and fix it on the mounting base 4 through the positioning pin 10. At the same time, the staff will fix the bottom of the mounting base 4 to the bottom of the noise reduction shell 201 through the shock-absorbing ring 3. At this time, the staff can place the motor body 5 inside the noise reduction shell 201 so that the vertical center lines of the noise reduction shell 201, the shock-absorbing ring 3, the mounting base 4 and the motor body 5 are on the same vertical center line. At this time, the staff will pass the shock-absorbing rod 8 on the motor body 5 through the mounting hole on the noise reduction shell 201. 203 passes through, and then the output shaft 6 on the motor body 5 passes through the reserved hole 204 on the noise reduction shell 201. At this time, the staff will completely fix the whole thing. At this time, the staff will start the motor body 5, so that the motor body 5 drives the output shaft 6 to rotate. At this time, through the design of the silent bearing 7, the friction and noise during the rotation of the shaft are reduced, and the operating stability of the motor is improved. Through various shock-absorbing and sound-isolating devices such as rubber sound insulation pads 205, sound insulation cotton 206, and sound insulation boards 207, the noise generated during the operation of the motor is effectively absorbed, and noise pollution is reduced. At this time, the noise reduction of the high-speed permanent magnet synchronous motor has been completed, and it is highly practical.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A noise-reducing high-speed permanent magnet synchronous motor, comprising a bracket (1), characterized in that: A noise reduction component (2) is fixedly installed on the top of the bracket (1), a shock-absorbing ring (3) is fixedly installed on the bottom inside the noise reduction component (2), a mounting base (4) is fixedly installed on the top of the shock-absorbing ring (3), a motor body (5) is fixedly installed on the top of the mounting base (4), an output shaft (6) is provided on the outside of the motor body (5), a silent bearing (7) is rotatably installed on the outside of the output shaft (6), a shock-absorbing rod (8) is fixedly installed on the top of the silent bearing (7), a heat dissipation net (9) is provided on the outside of the motor body (5), and a positioning pin (10) is fixedly installed on the bottom of the motor body (5).

2. The noise-reduced high-speed permanent magnet synchronous motor according to claim 1, characterized in that: The noise reduction component (2) comprises a noise reduction shell (201), a heat dissipation hole (202), a mounting hole (203), a reserved hole (204), a rubber sound insulation pad (205), sound insulation cotton (206) and a sound insulation board (207); the top of the bracket (1) is fixedly mounted with the noise reduction shell (201); the outer side of the noise reduction shell (201) is provided with a heat dissipation hole (202); the top of the noise reduction shell (201) is provided with a mounting hole (203); the noise reduction shell (201) is fixedly mounted with a sound insulation board (207); A reserved hole (204) is opened on the outside of the shell (201), a rubber sound insulation pad (205) is fixedly installed on the top of the noise reduction shell (201), a sound insulation cotton (206) is provided on the inner wall of the noise reduction shell (201), and a sound insulation board (207) is fixedly installed on the bottom of the noise reduction shell (201), and four identical sound insulation boards (207) are provided, and the four sound insulation boards (207) are located inside the noise reduction shell (201) and are diagonally distributed.

3. The noise-reduced high-speed permanent magnet synchronous motor according to claim 1, characterized in that: The shock-absorbing ring (3) and the mounting base (4) are located inside the noise-reducing housing (201), and the vertical center lines of the noise-reducing housing (201), the shock-absorbing ring (3) and the mounting base (4) are located on the same vertical center line.

4. The noise-reduced high-speed permanent magnet synchronous motor according to claim 1, characterized in that: The output shaft (6) is matched with the silent bearing (7), and the silent bearing (7) is connected to the shock-absorbing rod (8) by welding.

5. The noise-reduced high-speed permanent magnet synchronous motor according to claim 2, characterized in that: The diameter of the mounting hole (203) is consistent with the size of the shock-absorbing rod (8), and the reserved hole (204) is adapted to the output shaft (6).

6. The noise-reducing high-speed permanent magnet synchronous motor according to claim 2, characterized in that: The motor body (5) is located inside the noise reduction housing (201), and the motor body (5) and the noise reduction housing (201) do not contact each other.

7. The noise-reduced high-speed permanent magnet synchronous motor according to claim 1, characterized in that: The positioning pins (10) pass through the motor body (5) and extend to the bottom of the mounting base (4). Four identical positioning pins (10) are provided, and the four positioning pins (10) are symmetrically distributed about the vertical center line of the mounting base (4).

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