CN217741402U

CN217741402U - High-efficiency stator structure

Info

Publication number: CN217741402U
Application number: CN202221642832.XU
Authority: CN
Inventors: 鲁水明; 应军江; 曹国琪
Original assignee: Zhejiang Zhaosheng Fan Co ltd
Current assignee: Zhejiang Zhaosheng Fan Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-11-04
Anticipated expiration: 2032-06-28

Abstract

A high-efficiency stator structure belongs to the technical field of motor equipment; including stator body, stator body includes first lamination, second lamination and third lamination, stator body's main part is formed by the crisscross stack punching press of second lamination and third lamination, louvre and radiating groove have all been seted up on first lamination, second lamination and the third lamination, the constant head tank has all been seted up on first lamination and the third lamination, constant head tank and radiating groove have been seted up on the third lamination, second lamination and third lamination all are equipped with two straight flanges, the straight flange of second lamination and third lamination is 90 contained angles during the stack, stator body inboard is equipped with a plurality of structure for the narrow T type tooth under the wide, the contained angle between 2 adjacent T type teeth is 8-12, the utility model discloses a high efficiency stator structure, it is little to compare in current stator structure existence dead weight, advantages such as magnetic field distribution is even, has effects such as low in production cost and motor efficiency height.

Description

High-efficiency stator structure

Technical Field

The utility model belongs to the technical field of electrical equipment, specifically relate to a high efficiency stator structure.

Background

The stator is as the key spare part of motor, its material, size and structural design etc. are to the energy consumption of motor, work efficiency noise and practical life have direct influence, motor theory of operation is that the magnetic field makes the motor rotate to the effect of electric current atress, the stator mainly comprises stator core and stator winding, stator core is formed by stator towards the stack punching press of piece, stator core's structure depends on the structure of the stator towards the piece of constituteing, if stator core's structural design is unreasonable, can have the dead weight height, the heat dissipation slow and the inhomogeneous scheduling problem of magnetic field in the motor, the work efficiency of motor also is lower when can lead to producing to rise this higher and the short scheduling problem of motor practical life like this.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a high efficiency stator structure.

The above technical problem of the utility model is mainly solved through the following technical scheme:

the utility model provides a high efficiency stator structure, includes stator body, stator body includes first lamination, second lamination and third lamination, stator body's main part is formed by the crisscross stack punching press of second lamination and third lamination, and stator body's upper and lower both ends have all overlapped first lamination, have seted up the constant head tank on the stator body, have all seted up radiating groove and louvre on first lamination and the stator body, and first lamination and stator body inboard all are equipped with T type tooth.

Preferably, both ends of the second lamination and the third lamination are arc edges, the other two ends of the second lamination and the third lamination are straight edges, the straight edges of the second lamination and the third lamination are 90-degree included angles during stacking, heat dissipation holes are formed in both ends of the second lamination and the third lamination, and heat dissipation grooves with the same positions as those of the first lamination are formed in the second lamination and the third lamination.

Preferably, the arc edge at one end of the third lamination is provided with a positioning groove with the same position as that of the first lamination.

Preferably, the number of the T-shaped teeth is 30-34, and the angle between two adjacent T-shaped teeth is 8-12 degrees.

Preferably, the number of the heat dissipation grooves on the first lamination is 4, the heat dissipation grooves are evenly distributed on the outer circumference of the first lamination at intervals, 8 heat dissipation holes are formed in the first lamination, 2 heat dissipation holes are distributed on the first lamination as a group, the positions of 2 groups of heat dissipation holes correspond to those of the heat dissipation holes on the second lamination, and the positions of the other 2 groups of heat dissipation holes correspond to those of the heat dissipation holes on the second lamination.

The utility model discloses beneficial effect who has:

compared with the prior art, the second lamination and the third lamination of the utility model both have notches compared with the first lamination, and the design of the structure brings the direct effect of reducing the weight of the stator, thereby saving the cost; when the laminated stator is stacked, gaps of the second laminated sheet and the third laminated sheet on the stator main body form 90 degrees, the first laminated sheets are arranged at two ends of the stator main body, the laminated sheets are more uniformly distributed, and a generated gap magnetic field is more uniform, so that the efficiency of the motor is improved; the T-shaped teeth are of a structure with wide upper part and narrow lower part, so that the eating width can be increased, the tooth density can be reduced, the magnetic field distribution in the motor is more uniform, and the efficiency of the motor is further improved.

Drawings

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

FIG. 2 is a schematic view of the structure of a first lamination;

FIG. 3 is a schematic structural view of a second lamination;

fig. 4 is a schematic view of a third lamination.

In the figure: 1. a stator body; 2. a first lamination; 3. a second laminate; 4. a third lamination; 5. positioning a groove; 6. a heat sink; 7. heat dissipation holes; 8. t-shaped teeth.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

The embodiment is as follows: the utility model provides a high efficiency stator structure, as shown in figure 1, a high efficiency stator structure, includes stator body 1, stator body 1 is formed by the crisscross stack punching press of second lamination 3 and third lamination 4, and stator body 1's upper and lower both ends all superpose first lamination 2, constant head tank 5 has all been seted up on first lamination 2 and the stator body 1, the setting of constant head tank 5, the first location of being convenient for when arranging first lamination 2 and third lamination 4, the second stator body 1 of being convenient for is installation and fixed in the motor casing, reduces rocking of stator in the motor casing to reduce the vibrations of motor during operation, all seted up radiating groove 6 and louvre 7 on first lamination 2 and the stator body 1, first lamination 2 and stator body 1 inboard all are equipped with the structure and are perpendicular roof beam upper end width narrow T type tooth 8 of lower extreme, the quantity of T type tooth 8 is 30-34, and the angle between two adjacent T type teeth 8 is 8-12 degrees, and the T type tooth 8 that adopt this structure can increase the width of T type tooth, make the inside distribution of motor more even more be favorable to the efficiency of motor.

As shown in fig. 2, the number of the heat dissipation slots 6 on the first lamination 2 is 4, and the heat dissipation slots 6 are uniformly distributed on the outer circumference of the first lamination 2 at intervals, 8 heat dissipation holes 7 are opened on the first lamination 2, 8 heat dissipation holes 7 are distributed on the first lamination 2 by taking 2 as a group, and 2 groups of heat dissipation holes 7 correspond to the positions of the heat dissipation holes 7 on the second lamination 3, and in addition, 2 groups of heat dissipation holes 7 correspond to the positions of the heat dissipation holes 7 on the second lamination 3.

As shown in fig. 3 and 4, second lamination 3 and third lamination 4 all have both ends to be the arc limit, and both ends are the straight flange in addition, the louvre 7 has all been seted up at the both ends that lie in to be the arc limit on second lamination 3 and the third lamination 4, has all seted up on second lamination 3 and the third lamination 4 with the first lamination 2 on the radiating groove 6 that the position is the same. The circular arc edge of 4 one ends of third lamination is seted up and is put the same constant head tank 5 with first lamination 2 upper position, and during the use, louvre 7 on the first lamination 2 cooperates with louvre 7 on second lamination 3 and the third lamination 4 respectively and closes and be favorable to the inside heat dissipation of stator.

The principle of the utility model is as follows:

the utility model discloses a second lamination and third lamination stack the main part that the punching press formed stator body, and first lamination superposes respectively at stator body's upper and lower both ends, and the heat of motor during operation stator is effectively effluvied to louvre and radiating groove, reduces the loss of motor, improves the life of motor, and the width of T type tooth is favorable to increasing to wide narrow structure down on the T type tooth, reduces the density of T type tooth, does benefit to the equal nature of the inside magnetic field distribution of motor, improves the efficiency of motor.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. A high efficiency stator structure, characterized by: including stator body (1), stator body (1) includes first lamination (2), second lamination (3) and third lamination (4), the main part of stator body (1) is formed by crisscross stack punching press, and stator body (1) about both ends all overlapped have first lamination (2), constant head tank (5) have all been seted up on first lamination (2) and stator body (1), have all seted up on first lamination (2) and stator body (1) radiating groove (6) and louvre (7), and first lamination (2) and stator body (1) inboard all are equipped with T type tooth (8).

2. A high efficiency stator structure according to claim 1, wherein: second lamination (3) and third lamination (4) all have both ends to be the arc limit, and both ends are the straight flange in addition, and the straight flange of second lamination (3) and third lamination (4) is 90 degrees contained angles during the stack, be located the both ends that are the arc limit on second lamination (3) and third lamination (4) and all seted up louvre (7), all seted up on second lamination (3) and third lamination (4) with first lamination (2) on heat sink (6) that the position is the same.

3. A high efficiency stator structure according to claim 1, wherein: and the arc edge at one end of the third lamination (4) is provided with a positioning groove (5) which is the same as the upper position of the first lamination (2).

4. A high efficiency stator structure according to claim 1, wherein: the number of the T-shaped teeth (8) is 30-34, and the angle between two adjacent T-shaped teeth (8) is 8-12 degrees.

5. A high efficiency stator structure according to claim 2, wherein: the number of heat dissipation grooves (6) on the first lamination (2) is 4, and the interval evenly distributes on the outer circumference of first lamination (2), 8 louvres (7) have been seted up on first lamination (2), 8 louvres (7) use 2 to distribute on first lamination (2) and wherein 2 louvres (7) of group correspond with louvre (7) position on second lamination (3) for a set of, 2 louvres (7) of group correspond with louvre (7) position on second lamination (3) in addition.