Permanent magnet low-speed synchronous motor

Abstract

The permanent magnet low-speed synchronous motor comprises a rotor, a motor cover, a motor main body and a driving head, the motor cover is arranged in the middle of the outer side of the motor main body, the driving head is arranged at the end of the motor main body, a protective cover is arranged on the outer side of the driving head, and a power connection head is arranged on one side of the top of the driving head. The motor comprises a motor body, a rotor is arranged in the middle of the interior of the motor body, a plurality of permanent magnets are arranged on the outer side of the rotor through guide grooves, a mounting sleeve is arranged in the middle of the inner side of the rotor, and a stator iron core is arranged on a stator on the inner side of the motor body. The motor cover is arranged on the outer side of the motor body, the heat dissipation strips are arranged on the outer side of the motor cover, safety protection can be conducted on the motor cover through the heat dissipation strips, safety can be improved, the stator iron core is arranged on the inner side of the motor cover, mounting and dismounting are convenient, and the driving head is arranged at the end of the motor body, so that the motor cover is convenient to mount and dismount. And a protective cover is arranged on the outer side of the driving head.

Description

Technical Field

[0001] The utility model relates to the field of synchronous motors, in particular to a permanent magnet low-speed synchronous motor. Background Art

[0002] The synchronous motor is the heart of the power system. It is a component that integrates rotation and stillness, electromagnetic change and mechanical motion to achieve the conversion of electrical energy into mechanical energy. According to the different excitation methods, synchronous motors can be divided into electrically excited synchronous motors and permanent magnet synchronous motors.

[0003] For example, the authorized patent with publication number CN216929764U (permanent magnet low-speed synchronous motor): includes a motor body, a bottom box body is welded to the side of the motor body, a sealing groove is provided at the end of the bottom box body, a wiring port is symmetrically penetrated through the side of the bottom box body, a positioning clamp is welded to the side of the bottom box body, a limiting plate is symmetrically welded to the side of the bottom box body, a first semicircular groove is symmetrically provided on the side of the positioning clamp, and a first sealing gasket is bonded to the inner side of the first semicircular groove. The beneficial effects of the utility model are as follows: the motor junction box of the utility model has a reasonable structural design, good waterproof performance, and is simple and convenient to install and disassemble. When in use, the power cord is passed through the wiring port, and the power cord is clamped and fixed by the provided clamping mechanism and the positioning clamp, thereby sealing the wiring port of the junction box, preventing water stains from entering the junction box from the wiring port, and ensuring the sealing of the junction box;

[0004] The motor rotor of the above-mentioned prior art is not convenient to install and fix, the integral permanent magnet design cannot be disassembled, the use is not flexible enough, the position and number of the permanent magnets cannot be replaced, and the overall safety of the motor is not enough, and the motor body and drive head cannot be safely protected. Utility Model Content

[0005] The purpose of the present utility model is to provide a permanent magnet low-speed synchronous motor to solve the problems proposed in the above background technology, such as the inconvenient installation and fixation of the motor rotor, the inability to disassemble the integral permanent magnet design, the lack of flexibility in use, the inability to replace the position and number of the permanent magnets, the insufficient safety of the motor as a whole, and the inability to provide safety protection for the motor body and the drive head.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a permanent magnet low-speed synchronous motor, comprising a rotor, a motor cover, a motor body and a drive head, wherein a motor cover is provided in the middle part of the outer side of the motor body, a drive head is provided at the end of the motor body, a protective cover is provided on the outer side of the drive head, and an electrical connection head is provided on one side of the top of the drive head. A rotor is provided in the middle part of the inner side of the motor body, a plurality of permanent magnets are provided on the outer side of the rotor through guide grooves, a stator core is provided on the inner side of the motor body, and the stator core is provided on the stator inside the motor body.

[0007] In a further embodiment, a plurality of heat dissipation strips are provided on the outer side of the motor cover, and the motor cover and the motor body are configured as an integral structure.

[0008] In a further embodiment, a mounting sleeve is provided at the end of the rotor through a frame, and the mounting sleeve is connected to the transmission shaft.

[0009] In a further embodiment, an outward-convex protective strip is provided on the outer side of the protective cover, and the protective cover is fixed to the drive head by welding.

[0010] In a further embodiment, a clamping groove is provided on the inner side of the bottom of the permanent magnet, and the clamping groove is slidably clamped with the guide groove.

[0011] In a further embodiment, an enameled wire is provided on the outer side of the stator core, and a plurality of stator cores are provided corresponding to a plurality of permanent magnets.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. A motor cover is provided on the outside of the motor body of the utility model, and a plurality of heat dissipation strips are provided on the outside of the motor cover. The heat dissipation strips can be used to safely protect the motor cover, thereby improving safety. A stator core is provided on the inside of the motor cover for easy installation and disassembly. A drive head is provided at the end of the motor body, and a protective cover is provided on the outside of the drive head. The protective cover can be used to safely protect the drive head.

[0014] 2. The rotor of the utility model is provided with a guide groove on the outside, and a permanent magnet is provided on the guide groove by sliding inlay. The permanent magnet of this design is easy to disassemble, and the position and number of the permanent magnets can be replaced, which can effectively improve the flexibility of the rotor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a permanent magnet low-speed synchronous motor of the present utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the rotor of the utility model;

[0017] Figure 3 This is a cross-sectional view of the motor body of the utility model;

[0018] Figure 4 It is a structural diagram of part A of the utility model.

[0019] In the figure: 1. Rotor; 2. Motor cover; 3. Stator core; 4. Heat dissipation strip; 5. Connector; 6. Motor body; 7. Protective cover; 8. Drive head; 9. Drive shaft; 10. Permanent magnet; 11. Mounting sleeve; 12. Guide groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment of a permanent magnet low-speed synchronous motor, comprising a rotor 1, a motor cover 2, a motor body 6 and a drive head 8. A motor cover 2 is provided in the middle part of the outer side of the motor body 6, a drive head 8 is provided at the end of the motor body 6, a protective cover 7 is provided on the outer side of the drive head 8, and an outward convex protective strip is provided on the outer side of the protective cover 7. The protective cover 7 is welded and fixed to the drive head 8, and the protection capability of the protective cover 7 can be improved by welding the protective strip. An electric connection head 5 is provided on one side of the top of the drive head 8, and a rotor 1 is provided in the middle part of the inner part of the motor body 6. A plurality of permanent magnets 10 are provided on the outer side of the rotor 1 through a guide groove 12. A stator core 3 is provided on the inner side of the motor body 6, and the stator core 3 is provided on the stator inside the motor body 6; the motor cover 2 is used to safely protect the outer side of the motor body 6, and the drive head 8 is used to drive and control the motor body 6. The protective cover 7 can safely protect the outer side of the drive head 8, and the electric connection head 5 is convenient for connecting the drive head 8 to electricity, and the guide groove 12 is convenient for sliding and inlaying installation of the permanent magnet 10.

[0022] A plurality of heat dissipation strips 4 are provided on the outside of the motor cover 2 . The motor cover 2 and the motor body 6 are formed into an integral structure. The heat dissipation strips 4 are used to provide heat dissipation protection for the motor cover 2 .

[0023] The end of the rotor 1 is provided with a mounting sleeve 11 through a frame. The mounting sleeve 11 is connected to the transmission shaft 9 , and the mounting sleeve 11 facilitates the installation of the transmission shaft 9 .

[0024] A slot is provided on the inner side of the bottom of the permanent magnet 10, and the slot is slidably locked with the guide slot 12, which facilitates the installation of the permanent magnet 10 and the guide slot 12; an enameled wire is provided on the outer side of the stator core 3, and multiple stator cores 3 are correspondingly arranged with multiple permanent magnets 10.

[0025] Working principle: When in use, the motor cover 2 can protect the outside of the motor body 6, the protective cover 7 can protect the outside of the drive head 8, the power connection head 5 is used to connect the drive head 8 to electricity, and the permanent magnet 10 is connected to the guide groove 12 on the outside of the rotor 1 by sliding inlay. The permanent magnet 10 interacts with the stator core 3 on the inside of the stator to control the rotation of the rotor 1, so that the rotor 1 drives the transmission shaft 9 to rotate through the mounting sleeve 11.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A permanent magnet low-speed synchronous motor, comprising a rotor (1), a motor cover (2), a motor body (6) and a drive head (8), characterized in that: A motor cover (2) is provided at the middle of the outer side of the motor body (6), a driving head (8) is provided at the end of the motor body (6), a protective cover (7) is provided at the outer side of the driving head (8), and a power connection head (5) is provided on one side of the top of the driving head (8). A rotor (1) is provided at the middle of the inner side of the motor body (6), a plurality of permanent magnets (10) are provided on the outer side of the rotor (1) through guide grooves (12), and a stator core (3) is provided on the inner side of the motor body (6), and the stator core (3) is provided on the stator inside the motor body (6).

2. A permanent magnet low-speed synchronous motor according to claim 1, characterized in that: A plurality of heat dissipation strips (4) are provided on the outer side of the motor cover (2), and the motor cover (2) and the motor body (6) are provided as an integral structure.

3. The permanent magnet low-speed synchronous motor according to claim 1, characterized in that: The end of the rotor (1) is provided with a mounting sleeve (11) through a frame, and the mounting sleeve (11) is connected to the transmission shaft (9).

4. The permanent magnet low-speed synchronous motor according to claim 1, characterized in that: An outwardly convex protective strip is provided on the outer side of the protective cover (7), and the protective cover (7) is fixed to the driving head (8) by welding.

5. The permanent magnet low-speed synchronous motor according to claim 1, characterized in that: A clamping groove is provided on the inner side of the bottom of the permanent magnet (10), and the clamping groove is slidably clamped with the guide groove (12).

6. The permanent magnet low-speed synchronous motor according to claim 1, characterized in that: An enameled wire is provided on the outside of the stator core (3), and a plurality of stator cores (3) are arranged corresponding to a plurality of permanent magnets (10).

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