CN212969229U

CN212969229U - Stator winding structure of permanent magnet synchronous motor

Info

Publication number: CN212969229U
Application number: CN202021993228.2U
Authority: CN
Inventors: 赵昆雷
Original assignee: Wuxi Xindou Technology Co ltd
Current assignee: Wuxi Xindou Technology Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-13
Anticipated expiration: 2030-09-11

Abstract

The utility model belongs to the technical field of permanent-magnet machine, especially, be a PMSM stator winding structure, including stator core, stator core's outside is equipped with the heat conduction ring, a set of heating panel of fixedly connected with between stator core and the heat conduction ring, evenly be equipped with a set of louvre on the heating panel, be equipped with a set of mounting groove in the stator core, it is equipped with the fixture block all to match in the mounting groove, the first connecting plate of the equal fixedly connected with in bottom of fixture block, the lower terminal surface fixedly connected with of first connecting plate winds the piece, the bottom fixedly connected with second connecting plate of winding the piece, stator core one side is equipped with the holding ring. The utility model discloses a fixture block, first connecting plate, wind piece, second connecting plate, heating panel, heat conduction ring and inoxidizing coating make things convenient for operating personnel to twine stator coil, improve operating personnel's work efficiency, are showing heat dispersion and the corrosion resisting property that improves the stator winding structure, and the practicality is stronger.

Description

Stator winding structure of permanent magnet synchronous motor

Technical Field

The utility model relates to a permanent-magnet machine technical field specifically is a PMSM stator winding structure.

Background

The permanent magnet synchronous motor provides excitation by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; the permanent magnet synchronization generally comprises a stator, a rotor, a machine shell and a transmission supporting structure, wherein the stator comprises a stator core and a stator winding wound on the stator core, a rotating magnetic field is formed after the winding is electrified to interact with the rotor, the power load is continuously output by rotation, and the machine shell conducts heat and provides integral support.

Permanent magnet synchronous machine need be at the structural winding stator coil of stator in the in-process of manufacturing, because the stator winding structure in the middle of the prior art is integrated design, inconvenient operating personnel carries out stator coil's winding, reduces operating personnel's work efficiency, and the heat dispersion of the stator winding structure in the middle of the prior art is not good simultaneously, and does not have good corrosion resisting property.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a PMSM stator winding structure has solved the inconvenient operating personnel winding stator coil of PMSM stator winding structure among the prior art to and heat dispersion and the not good problem of corrosion resisting property.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a permanent magnet synchronous motor stator winding structure comprises a stator core, wherein a heat conducting ring is arranged outside the stator core, a group of heat radiating plates are fixedly connected between the stator core and the heat conducting ring, a group of heat radiating holes are uniformly formed in the heat radiating plates, a group of mounting grooves are formed in the stator core, clamping blocks are matched and arranged in the mounting grooves, first connecting plates are fixedly connected to the bottoms of the clamping blocks, winding blocks are fixedly connected to the lower end faces of the first connecting plates, second connecting plates are fixedly connected to the bottoms of the winding blocks, positioning rings are arranged on one sides of the stator core and fixedly connected with the stator core through fixing bolts, protective layers are arranged on the outer walls of the stator core and the heat conducting ring, a first anticorrosive layer and a second anticorrosive layer are sequentially arranged from inside to outside, and first anticorrosive layers are coated on the outer walls of the stator core and the heat conducting ring, the outer surface of the first anticorrosive layer is coated with a second anticorrosive layer.

As a preferred technical scheme of the utility model, evenly be equipped with a set of heat dissipation recess on the inner wall of heat conduction ring, it is adjacent interval between the heat dissipation recess is the same.

As a preferred technical scheme of the utility model, be equipped with on the stator core with gim peg assorted screw hole, the quantity of gim peg is eight.

As a preferred technical scheme of the utility model, the cross-section of first connecting plate and second connecting plate all is circular-arc, the shape size of first connecting plate and second connecting plate is the same.

As an optimal technical scheme of the utility model, the inside of winding the piece is the hollow structure design, and can twine stator coil around the outer wall of piece.

As an optimized technical scheme of the utility model, first anticorrosive coating is perchloroethylene layer, the second anticorrosive coating is the polyethylene layer III.

(III) advantageous effects

Compared with the prior art, the utility model provides a PMSM stator winding structure possesses following beneficial effect:

1. this PMSM stator winding structure through fixture block, first connecting plate, winding piece and second connecting plate, makes things convenient for operating personnel to twine stator coil structural at the stator winding, is showing the work efficiency who improves operating personnel, improves PMSM's production efficiency, and the flexibility is better, and the practicality is stronger.

2. This PMSM stator winding structure through heat conduction ring, heating panel and inoxidizing coating, can show the heat dispersion that improves PMSM stator winding structure to can improve PMSM's radiating efficiency, and make PMSM stator winding structure have good corrosion resisting property, improve PMSM's life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of a connection structure of the stator core and the heat conduction ring of the present invention;

fig. 4 is a schematic structural diagram of the protective layer of the present invention.

In the figure: 1. a stator core; 2. a heat conducting ring; 3. a heat dissipation plate; 4. heat dissipation holes; 5. a clamping block; 6. a first connecting plate; 7. winding the block; 8. a second connecting plate; 9. a heat dissipation groove; 10. a positioning ring; 11. a fixing bolt; 12. mounting grooves; 13. a threaded hole; 14. a protective layer; 15. a first anticorrosive layer; 16. and a second anticorrosive layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a permanent magnet synchronous motor stator winding structure comprises a stator core 1, a heat conducting ring 2 is arranged outside the stator core 1, a group of heat radiating plates 3 are fixedly connected between the stator core 1 and the heat conducting ring 2, a group of heat radiating holes 4 are uniformly arranged on the heat radiating plates 3, a group of mounting grooves 12 are arranged in the stator core 1, clamping blocks 5 are arranged in the mounting grooves 12 in a matching manner, the bottom ends of the clamping blocks 5 are fixedly connected with first connecting plates 6, the lower end faces of the first connecting plates 6 are fixedly connected with winding blocks 7, the bottom ends of the winding blocks 7 are fixedly connected with second connecting plates 8, a positioning ring 10 is arranged on one side of the stator core 1, the positioning ring 10 is fixedly connected with the stator core 1 through a fixing bolt 11, protective layers 14 are arranged on the outer walls of the stator core 1 and the heat conducting ring 2, the protective layers 14 are a first anticorrosive layer 15 and a second anticorrosive layer 16 from inside to outside in sequence, the, the outer surface of the first anticorrosive layer 15 is coated with a second anticorrosive layer 16.

In the embodiment, the heat conducting ring 2 can lead out the heat of the stator winding structure of the permanent magnet synchronous motor, the heat dissipation performance of the stator winding structure of the permanent magnet synchronous motor is enhanced, the heat dissipation plate 3 can effectively dissipate the heat and facilitate the flowing of gas, the heat dissipation holes 4 can further improve the heat dissipation performance of the stator winding structure of the permanent magnet synchronous motor, the mounting groove 12 facilitates the mounting of the fixture block 5, thereby facilitating the winding of the stator coil by an operator and improving the working efficiency of the operator, the winding block 7 facilitates the winding of the stator coil by the operator and reduces the working strength of the operator, the positioning ring 10 facilitates the mounting of the stator winding structure of the permanent magnet synchronous motor, the operation of the operator is facilitated, the practicability is stronger, the protective layer 14 can protect the stator winding structure of the permanent magnet synchronous motor, and the first anticorrosive layer 15 and the second anticorrosive layer 16 can obviously improve the anticorrosive performance of the, and further the service life of the stator winding structure of the permanent magnet synchronous motor is prolonged.

Specifically, a group of heat dissipation grooves 9 are uniformly formed in the inner wall of the heat conduction ring 2, and the distance between every two adjacent heat dissipation grooves 9 is the same.

In this embodiment, the heat dissipation groove 9 can increase the contact area between the heat conduction ring 2 and the air, so that the heat dissipation performance of the heat conduction ring 2 can be improved.

Specifically, the stator core 1 is provided with threaded holes 13 matched with the fixing bolts 11, and the number of the fixing bolts 11 is eight.

In this embodiment, the screw hole 13 is convenient to cooperate with the fixing bolt 11 for use, thereby facilitating the installation and the disassembly of the positioning ring 10 by an operator, and the device is simple in arrangement, low in cost and high in practicability.

Specifically, the cross sections of the first connecting plate 6 and the second connecting plate 8 are arc-shaped, and the first connecting plate 6 and the second connecting plate 8 are the same in shape and size.

In this embodiment, the cross sections of the first connecting plate 6 and the second connecting plate 8 are both arc-shaped, so that the mounting and the use are convenient, the shapes and the sizes of the first connecting plate 6 and the second connecting plate 8 are the same, the winding of the stator coil by an operator is convenient, and the appearance is more attractive.

Specifically, the interior of the winding block 7 is designed to be hollow, and the stator coil may be wound around the outer wall of the winding block 7.

In this embodiment, the hollow design can reduce the weight of the winding block 7, avoid the waste of resources, and the stator coil can be wound around the outer wall of the winding block 7 to form a stator winding structure.

Specifically, the first anticorrosive layer 15 is a perchloroethylene layer, and the second anticorrosive layer 16 is a polyethylene layer.

In the embodiment, the perchloroethylene is synthesized by a high polymer synthesis technology, the epoxy resin and the resin group are added, so that the perchloroethylene has the functions of multifunction and environmental protection, has the effects of water resistance, corrosion resistance, moisture resistance and mildew resistance, is stable in chemical property, and can further improve the corrosion resistance of the stator winding structure.

The utility model discloses a theory of operation and use flow: firstly, operating personnel twines stator coil on winding block 7, then go on the holding ring 10 through gim peg 11 then, then will twine stator coil around block 7 insert in stator core 1 in proper order, make fixture block 5 insert in mounting groove 12, show improvement operating personnel's work efficiency, heat dissipation plate 3 and heat conduction ring 2 can improve the heat dispersion of stator winding structure, first anticorrosive coating 15 and second anticorrosive coating 16 can improve stator winding's corrosion resisting property.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a PMSM stator winding structure, includes stator core (1), its characterized in that: the stator comprises a stator core (1), a heat conducting ring (2) is arranged outside the stator core (1), a group of heat radiating plates (3) is fixedly connected between the stator core (1) and the heat conducting ring (2), a group of heat radiating holes (4) are uniformly formed in the heat radiating plates (3), a group of mounting grooves (12) are formed in the stator core (1), clamping blocks (5) are arranged in the mounting grooves (12) in a matching mode, first connecting plates (6) are fixedly connected to the bottoms of the clamping blocks (5), winding blocks (7) are fixedly connected to the lower end faces of the first connecting plates (6), second connecting plates (8) are fixedly connected to the bottoms of the winding blocks (7), a positioning ring (10) is arranged on one side of the stator core (1), the positioning ring (10) is fixedly connected with the stator core (1) through a fixing bolt (11), and protective layers (14) are arranged on the outer walls of the stator core (, the protective layer (14) is first anticorrosive coating (15) and second anticorrosive coating (16) from inside to outside in proper order, the outer wall of stator core (1) and heat conduction ring (2) is scribbled on and is had first anticorrosive coating (15), the surface coating of first anticorrosive coating (15) has second anticorrosive coating (16).

2. The stator winding structure of a permanent magnet synchronous motor according to claim 1, characterized in that: a group of heat dissipation grooves (9) are uniformly formed in the inner wall of the heat conduction ring (2), and the distances between every two adjacent heat dissipation grooves (9) are the same.

3. The stator winding structure of a permanent magnet synchronous motor according to claim 1, characterized in that: the stator core (1) is provided with threaded holes (13) matched with the fixing bolts (11), and the number of the fixing bolts (11) is eight.

4. The stator winding structure of a permanent magnet synchronous motor according to claim 1, characterized in that: the cross sections of the first connecting plate (6) and the second connecting plate (8) are arc-shaped, and the first connecting plate (6) and the second connecting plate (8) are identical in shape and size.

5. The stator winding structure of a permanent magnet synchronous motor according to claim 1, characterized in that: the interior of the winding block (7) is designed to be a hollow structure, and the outer wall of the winding block (7) can be wound with a stator coil.

6. The stator winding structure of a permanent magnet synchronous motor according to claim 1, characterized in that: the first anticorrosive layer (15) is a perchloroethylene layer, and the second anticorrosive layer (16) is a polyethylene layer.