Magnetic steel baffle plate of permanent magnet synchronous motor rotor

By designing a permanent magnet synchronous motor rotor magnetic steel baffle structure with an electronic rotor and a pushing rod, the problem of disassembly and installation of existing magnetic steel baffle is solved, and rapid disassembly and installation are realized, and the reliability of the motor is improved. And efficiency.

CN222395505UActive Publication Date: 2025-01-24HANGZHOU LIXIN MOTOR CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421155898.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-25
Publication Date
2025-01-24
Estimated Expiration
2034-05-25

AI Technical Summary

Technical Problem

The magnetic steel baffle on the rotor of the existing permanent magnet synchronous motor is troublesome to disassemble and install, resulting in inconvenient maintenance.

Method used

A magnetic steel baffle structure is designed that includes an electronic turntable, a fixed plate, a plate body, a push rod, a moving plate, a rotating plate and a fixed rod. The push rod drives the moving plate, rotating plate and fixed rod to move to realize the plate body. Quick removal and installation.

Benefits of technology

It realizes the quick installation and disassembly of the magnetic steel baffle, simplifies the maintenance process, and effectively dissipates heat through the heat dissipation component, improving the reliability and efficiency of the motor.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222395505U_ABST
    Figure CN222395505U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of permanent magnet synchronous motors, and discloses a magnetic steel baffle plate of a permanent magnet synchronous motor rotor, which comprises an electronic rotating machine, the top of the electronic rotating machine is fixedly connected with a fixed plate, the inside of the fixed plate is slidably connected with a plate body, the top of the plate body is provided with a heat dissipation assembly, and the front side of the fixed plate is slidably connected with a push rod. The rear end of the push rod is fixedly connected with a moving plate, the left side and the right side of the moving plate are rotationally connected with rotating plates, and the ends, away from the moving plate, of the rotating plates are rotationally connected with fixing rods. According to the utility model, the fixing of the plate body can be relieved by pushing the push rod, and the fixing rod can be driven to reset through the elastic force of the spring to fix the plate body, so that the plate body can be quickly mounted, the heat of the plate body can be conducted into the sleeve through the aluminum plate, and the heat is dissipated through the ventilation opening; the temperature of the rotor is maintained within an acceptable range.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a magnetic steel baffle of a permanent magnet synchronous motor rotor. Background Art

[0002] A permanent magnet synchronous motor is a motor whose permanent magnets on the rotor generate a magnetic field that interacts with the magnetic field generated by the current on the stator to achieve the rotation of the motor. The magnetic steel baffle is used to enhance the magnetic field of the permanent magnet synchronous motor and improve the output power and efficiency of the motor.

[0003] The magnetic steel baffle is in the shape of a disk and can effectively interact with the magnetic field of the coil on the stator. The magnetic steel baffle has a ventilation structure to dissipate heat and keep the temperature of the rotor within an acceptable range. The magnetic steel baffle is made of high-performance magnetic material with good magnetic permeability and magnetic saturation characteristics. It can generate a strong magnetic field and maintain stable magnetic properties under magnetic field excitation.

[0004] The existing magnetic steel baffle is installed on the rotor with multiple screws. When maintenance and disassembly are required, specific tools are needed to remove the screws, which makes disassembly and installation more troublesome. Therefore, a magnetic steel baffle for a permanent magnet synchronous motor rotor is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a magnetic steel baffle for a permanent magnet synchronous motor rotor, aiming to improve the problem in the prior art that the magnetic steel baffle is difficult to disassemble and install, resulting in inconvenient maintenance.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A magnetic steel baffle of a permanent magnet synchronous motor rotor, comprising an electronic rotor, a fixed plate fixedly connected to the top of the electronic rotor, a plate body slidably connected inside the fixed plate, a heat dissipation component is arranged on the top of the plate body, a push rod is slidably connected to the front side of the fixed plate, a moving plate is fixedly connected to the rear end of the push rod, the left and right sides of the moving plate are both rotatably connected to rotating plates, and one end of the rotating plate away from the moving plate is rotatably connected to a fixed rod;

[0008] As a further description of the above technical solution:

[0009] The heat dissipation assembly includes a sleeve, the sleeve is fixedly connected to the outer periphery of the top of the plate body, an aluminum plate is fixedly connected inside the sleeve, and a plurality of evenly distributed ventilation holes are opened inside the sleeve;

[0010] As a further description of the above technical solution:

[0011] Slide grooves are provided on both the left and right sides of the plate body, and one end of the fixing rod away from the rotating plate is slidably connected to the slide groove inside the plate body;

[0012] As a further description of the above technical solution:

[0013] The front end of the push rod is fixedly connected to the limit plate, the rear side of the limit plate is fixedly connected to a spring, the rear end of the spring is fixedly connected to the front end of the fixed plate, and the spring is sleeved on the outer periphery of the push rod;

[0014] As a further description of the above technical solution:

[0015] An iron core is fixedly connected to the top of the electronic converter;

[0016] As a further description of the above technical solution:

[0017] The top of the electronic turntable is fixedly connected to a rotating shaft, and the top of the rotating shaft is rotatably connected to a bearing;

[0018] As a further description of the above technical solution:

[0019] A rubber pad is fixedly connected to the bottom of the plate;

[0020] As a further description of the above technical solution:

[0021] The plate body is made of neodymium iron boron.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the movable plate can be moved by pushing the push rod, the movable plate can drive the rotating plate to rotate by moving, the rotating plate can drive the fixing rod to move by rotating, the fixing rod can release the fixing of the plate body by moving, so that the plate body can be quickly disassembled, the push rod can be reset by the elastic force of the spring, the push rod can drive the fixing rod to reset by resetting, the fixing rod can fix the plate body by resetting, so that the plate body can be quickly installed, and the rapid installation and disassembly of the plate body can make it more convenient to repair it.

[0024] 2. In the utility model, the heat of the plate body can be conducted to the inside of the sleeve through the aluminum plate, and the heat can be quickly dissipated by opening a vent inside the sleeve, keeping the temperature of the rotor within an acceptable range, thereby improving the reliability, efficiency and performance of the motor, extending the service life of the motor, maintaining magnetic properties, reducing losses and improving system effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of a magnetic steel baffle of a permanent magnet synchronous motor rotor proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of an electronic converter of a magnetic steel baffle of a permanent magnet synchronous motor rotor proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of a fixing plate of a magnetic steel baffle of a permanent magnet synchronous motor rotor proposed by the utility model;

[0028] Figure 4 This is a structural schematic diagram of a plate body of a magnetic steel baffle of a permanent magnet synchronous motor rotor proposed by the utility model;

[0029] Figure 5 This is a structural schematic diagram of a sleeve of a magnetic steel baffle of a permanent magnet synchronous motor rotor proposed by the utility model;

[0030] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0031] Legend:

[0032] 1. Electronic transfer; 2. Fixed plate; 3. Plate body; 4. Push rod; 5. Moving plate; 6. Rotating plate; 7. Fixed rod; 8. Sleeve; 9. Ventilation port; 10. Aluminum plate; 11. Limiting plate; 12. Spring; 13. Iron core; 14. Rotating shaft; 15. Bearing; 16. Rubber pad. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Reference Figure 1 - Figure 3The utility model provides an embodiment: a magnetic steel baffle of a permanent magnet synchronous motor rotor, comprising an electronic converter 1, a fixed plate 2 is fixedly connected to the top of the electronic converter 1, a plate body 3 is slidably connected inside the fixed plate 2, a push rod 4 is slidably connected to the front side of the fixed plate 2, a moving plate 5 is fixedly connected to the rear end of the push rod 4, both sides of the moving plate 5 are rotatably connected to a rotating plate 6, and one end of the rotating plate 6 away from the moving plate 5 is rotatably connected to a fixed rod 7. The electronic converter 1 is used to generate a magnetic field, the fixed plate 2 is used to fix the push rod 4, the plate body 3 is used to enhance the magnetic field of the permanent magnet synchronous motor, and improve the output power and efficiency of the motor, the push rod 4 is used to drive the moving plate 5 to move, the moving plate 5 can drive the rotating plate 6 to rotate by moving, the rotating plate 6 can drive the fixed rod 7 to move by rotating, and the fixed rod 7 is used to fix the plate body 3.

[0035] Reference Figure 4 - Figure 6 A heat dissipation assembly is provided on the top of the plate body 3, and the heat dissipation assembly includes a sleeve 8, which is fixedly connected to the outer periphery of the top of the plate body 3, and an aluminum plate 10 is fixedly connected inside the sleeve 8, and a plurality of evenly distributed vents 9 are provided inside the sleeve 8. The sleeve 8 is used to fix the aluminum plate 10, and the vents 9 can dissipate heat, and the aluminum plate 10 is used to conduct the heat inside the plate body 3 to the inside of the sleeve 8.

[0036] Reference Figure 2 - Figure 4 , slide grooves are provided on the left and right sides of the plate body 3, the end of the fixed rod 7 away from the rotating plate 6 is slidably connected in the slide groove inside the plate body 3, the front end of the push rod 4 is fixedly connected to the limit plate 11, the rear side of the limit plate 11 is fixedly connected to the spring 12, the rear end of the spring 12 is fixedly connected to the front end of the fixed plate 2, the spring 12 is sleeved on the outer periphery of the push rod 4, the top of the electronic transfer machine 1 is fixedly connected to the iron core 13, the top of the electronic transfer machine 1 is fixedly connected to the rotating shaft 14, the top of the rotating shaft 14 is rotatably connected to the bearing 15, the bottom of the plate body 3 is fixedly connected to the rubber pad 16, and the material of the plate body 3 is neodymium iron boron. The limit plate 11 is used to fix the spring 12, and the spring 12 can drive the push rod 4 to reset through the elastic force. The iron core 13 is used to enhance the magnetic field effect of the motor, thereby improving the efficiency and output power of the motor. The rotating shaft 14 is responsible for transmitting torque and rotational power so that the rotor can rotate. The bearing 15 can absorb and disperse the load on the shaft to maintain the correct positioning between the rotor and the stator. The rubber pad 16 is used to reduce noise. Neodymium iron boron has good magnetic permeability and magnetic saturation characteristics, can generate a strong magnetic field, and maintain stable magnetic properties under magnetic field excitation.

[0037] Working principle: the movable plate 5 can be moved by pushing the push rod 4, and the movable plate 5 can drive the rotating plate 6 to rotate by moving, and the rotating plate 6 can drive the fixed rod 7 to move by rotating, and the fixed rod 7 can release the fixation of the plate body 3 by moving, and the plate body 3 can be disassembled after the fixation of the plate body 3 is released, and the push rod 4 can be reset by the elastic force of the spring 12, and the push rod 4 can drive the movable plate 5 to reset by resetting, and the movable plate 5 can drive the rotating plate 6 to rotate by resetting, and the rotating plate 6 can drive the fixed rod 7 to reset by rotating, and the fixed rod 7 can fix the plate body 3 by resetting, so that the plate body 3 can be quickly installed and the plate body 3 can be fixed. Quick installation and disassembly can make it more convenient to repair it. The heat of the plate body 3 can be conducted to the inside of the sleeve 8 through the aluminum plate 10. The heat can be quickly dissipated by opening the vents 9 inside the sleeve 8 to keep the temperature of the rotor within an acceptable range, thereby improving the reliability, efficiency and performance of the motor, extending the service life of the motor, maintaining magnetic properties, reducing losses and improving system effects. The magnetic field effect of the motor can be enhanced by installing the iron core 13, thereby improving the efficiency and output power of the motor. The torque and rotational power can be transmitted by installing the rotating shaft 14, so that the rotor can rotate. The bearing 15 can absorb and disperse the load on the shaft to maintain the correct positioning between the rotor and the stator.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A magnetic steel baffle of a permanent magnet synchronous motor rotor, comprising an electronic rotor (1), characterized in that: The top of the electronic converter (1) is fixedly connected to a fixed plate (2), the interior of the fixed plate (2) is slidably connected to a plate body (3), the top of the plate body (3) is provided with a heat dissipation component, the front side of the fixed plate (2) is slidably connected to a push rod (4), the rear end of the push rod (4) is fixedly connected to a moving plate (5), the left and right sides of the moving plate (5) are both rotatably connected to rotating plates (6), and the end of the rotating plate (6) away from the moving plate (5) is rotatably connected to a fixed rod (7).

2. The magnetic steel baffle of a permanent magnet synchronous motor rotor according to claim 1, characterized in that: The heat dissipation component comprises a sleeve (8), wherein the sleeve (8) is fixedly connected to the outer periphery of the top of the plate body (3), an aluminum plate (10) is fixedly connected inside the sleeve (8), and a plurality of evenly distributed ventilation openings (9) are provided inside the sleeve (8).

3. The magnetic steel baffle of a permanent magnet synchronous motor rotor according to claim 1, characterized in that: Slide grooves are provided on both left and right sides of the plate body (3), and one end of the fixing rod (7) away from the rotating plate (6) is slidably connected to the slide groove inside the plate body (3).

4. The magnetic steel baffle of a permanent magnet synchronous motor rotor according to claim 1, characterized in that: The front end of the push rod (4) is fixedly connected to a limiting plate (11), the rear side of the limiting plate (11) is fixedly connected to a spring (12), the rear end of the spring (12) is fixedly connected to the front end of the fixing plate (2), and the spring (12) is sleeved on the outer periphery of the push rod (4).

5. The magnetic steel baffle of a permanent magnet synchronous motor rotor according to claim 1, characterized in that: An iron core (13) is fixedly connected to the top of the electronic converter (1).

6. The magnetic steel baffle of a permanent magnet synchronous motor rotor according to claim 1, characterized in that: The top of the electronic converter (1) is fixedly connected to a rotating shaft (14), and the top of the rotating shaft (14) is rotatably connected to a bearing (15).

7. The magnetic steel baffle of a permanent magnet synchronous motor rotor according to claim 1, characterized in that: A rubber pad (16) is fixedly connected to the bottom of the plate body (3).

8. The magnetic steel baffle of a permanent magnet synchronous motor rotor according to claim 1, characterized in that: The material of the plate body (3) is neodymium iron boron.