CN219227294U

CN219227294U - Integral stator structure of sectional winding type concentrated winding

Info

Publication number: CN219227294U
Application number: CN202223099922.1U
Authority: CN
Inventors: 吴旺波; 罗英; 李红文; 阳可诗; 何超飞
Original assignee: Zhongshan Midis Power Technology Co ltd
Current assignee: Zhongshan Midis Power Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-06-20
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to the technical field of motors, in particular to an integrated stator structure of a segmented wound concentrated winding, which comprises an integrated stator core and an integrated insulating rubber sleeve, wherein the integrated insulating rubber sleeve is arranged on the integrated stator core to form an integrated stator main body; the integrated stator is formed by an integrated stator core and an integrated insulating rubber sleeve; the stator winding structure has the advantages that the stator winding structure can be used for manufacturing a plurality of enameled wires in parallel, winding can be completed once, coils are respectively wound in corresponding wire slots, the lengths of the coils are equal, the resistance is balanced, the motor performance is guaranteed, meanwhile, compared with a segmented concentrated winding stator, the stator winding structure is formed by splicing, the integrated iron core winding stator has good roundness, the stress of a shell is not easy to deform, the motor performance is prevented from being influenced by uneven motor air gaps, and the motor noise is improved; on the other hand, the iron core splicing procedure is saved, the manufacturing difficulty is reduced, and the production efficiency is improved.

Description

Integral stator structure of sectional winding type concentrated winding

Technical Field

The utility model relates to the technical field of motors, in particular to an integrated stator structure of a segmented wound concentrated winding.

Background

In the field of low-power low-voltage three-phase alternating current motors, a segmented winding type concentrated winding stator adopts a segmented splicing structure, and the stator structure formed by splicing single-tooth segmented winding modules often has the defects of high ovality, easy influence of magnetic flux due to error sheets, easy deformation due to stress when being installed into a machine shell, difficult production and assembly, uneven motor air gap and the like.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art and provide an integrated stator structure of a segmented wound concentrated winding.

The utility model relates to an integrated stator structure of a segmented wound concentrated winding, which comprises an integrated stator core and an integrated insulating rubber sleeve, wherein the integrated insulating rubber sleeve is arranged on the integrated stator core to form an integrated stator main body;

the integrated insulating rubber sleeve comprises a plurality of insulating rubber sleeves, and a plurality of insulating rubber sleeve monomers are arranged on the inner wall of the outer ring shell to form the integrated insulating rubber sleeve; the insulating rubber sleeve monomer comprises a barrel, a wire groove is formed in the top surface of the barrel, and at least one partition plate is arranged in the wire groove to divide the wire groove into two winding bins.

In this design, two wire winding warehouses are respectively for being equipped with the copper line around, form first slot coil and second slot coil.

Further, the integrated stator core comprises an iron core shell body, and a plurality of rubber sleeve grooves matched with the insulating rubber sleeve monomers are formed in the inner wall of the iron core shell body.

Further, the outer side surface and the inner end surface of the integrated stator core are circular, and the outer end surface and the inner end surface of the integrated insulating rubber sleeve are circular.

After the structure is adopted, the utility model has the beneficial effects that: the utility model relates to an integrated stator structure of a sectional winding type concentrated winding, which adopts an integrated stator core and an integrated insulating rubber sleeve to form an integrated stator; the stator winding structure has the advantages that the stator winding structure can be used for manufacturing a plurality of enameled wires in parallel, winding can be completed once, coils are respectively wound in corresponding wire slots, the lengths of the coils are equal, the resistance is balanced, the motor performance is guaranteed, meanwhile, compared with a segmented concentrated winding stator, the stator winding structure is formed by splicing, the integrated iron core winding stator has good roundness, the stress of a shell is not easy to deform, the motor performance is prevented from being influenced by uneven motor air gaps, and the motor noise is improved; on the other hand, the iron core splicing procedure is saved, the manufacturing difficulty is reduced, and the production efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate and together with the description serve to explain the utility model, if necessary:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

fig. 3 is a schematic perspective view of an integrated insulation rubber sleeve in a top view;

fig. 4 is a schematic perspective view of the bottom view of the integrated insulation rubber sleeve of the present utility model;

fig. 5 is a schematic perspective view of the integrated stator core of the present utility model in a top view;

fig. 6 is a schematic view showing a structure of an integrated stator core according to the present utility model in a bottom view;

fig. 7 is a schematic plan view of a first slot coil and a second slot coil wound around the first slot coil.

Reference numerals illustrate:

an integral stator body-1;

an integrated insulating rubber sleeve-11; insulating rubber sleeve-111; barrel-1111; wire chase-1112; a separator-1113; an outer annular shell-112;

an integrated stator core-12; an iron core housing cylinder-121; rubber sleeve groove-122

A first slot coil-13;

and a second slot coil-14.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 6, the integrated stator structure of the segmented wound concentrated winding according to the present embodiment includes an integrated stator core 12 and an integrated insulation rubber sleeve 11, where the integrated insulation rubber sleeve 11 is disposed on the integrated stator core 12 to form an integrated stator body 1;

the integrated insulating rubber sleeve 11 comprises a plurality of insulating rubber sleeves 111, and a plurality of insulating rubber sleeve monomers 111 are arranged on the inner wall of the outer ring shell 112 to form the integrated insulating rubber sleeve 11; the insulating rubber sleeve unit 111 comprises a cylinder 1111, a wire groove 1112 is arranged on the top surface of the cylinder 1111, at least one partition 1113 is arranged in the wire groove 1112, and the wire groove 1112 is divided into two winding bins.

As shown in fig. 4, in the present design, two winding bins are wound with copper wires, respectively, to form a first slot coil 13 and a second slot coil 14.

Further, the integrated stator core 12 includes a core housing cylinder 121, and a plurality of rubber sleeve grooves 122 matched with the insulating rubber sleeve units 111 are formed in the inner wall of the core housing cylinder 121.

Further, the outer side surface and the inner end surface of the integrated stator core 12 are circular, and the outer end surface and the inner end surface of the integrated insulation rubber sleeve 11 are circular.

The working principle of the utility model is as follows:

in this design, the integrated stator body 1 is composed of an integrated stator core 12 and an integrated insulation rubber sleeve 11. The integral stator core 12 is provided with an integral insulating rubber sleeve 11, and the integral insulating rubber sleeve 11 is wrapped on the integral stator core 12, so that an integral stator is formed.

In the design, the integrated insulating rubber sleeve 11 comprises a plurality of insulating rubber sleeves 111, and a plurality of insulating rubber sleeve monomers 111 are arranged on the inner wall of an outer ring shell 112 to form the integrated insulating rubber sleeve 11; the insulating rubber cover unit 111 comprises a cylinder 1111, and a wire slot 1112 is arranged on the top surface of the cylinder 1111.

In addition, the integrated stator core 12 includes a core housing cylinder 121, and a plurality of rubber sleeve grooves 122 matched with the insulating rubber sleeve units 111 are formed in the inner wall of the core housing cylinder 121.

When in installation, a cylinder 1111 of the insulating rubber sleeve 111 is clamped in a rubber sleeve groove 122 of the integrated stator core 12 to form clamping connection. The wire grooves 1112 on the top surface of the cylinder 1111 of the insulating rubber cover 111 are exposed. At least one partition 1113 is disposed in the wire slot 1112 to divide the wire slot 1112 into two winding bins. This allows winding in two winding bins, forming a first slot coil 13 and a second slot coil 14, as shown in fig. 7.

The integrated stator core and the integrated insulating rubber sleeve in the integrated stator are of an integrated whole-circle structure. A plurality of insulating rubber sleeve monomers 111 are arranged in the integrated insulating rubber sleeve, and each insulating rubber sleeve monomer 111 comprises 2 or more than 2 wire slots, so that the coils with a plurality of parallel windings can be wound separately.

Meanwhile, compared with a split concentrated winding stator, the integrated iron core winding stator has good roundness, is not easy to deform when being stressed by a shell, avoids the influence of uneven motor air gap on motor performance, and improves motor noise; on the other hand, the working procedure of splicing iron cores is saved, the manufacturing difficulty is reduced, the production efficiency is improved, and the advantages are outstanding especially in the field of low-power low-voltage alternating current motors.

The beneficial effects of the utility model are as follows:

(1) The manufacture of a plurality of enameled wires and winding of the stator can be realized.

(2) The coils are respectively wound in the corresponding wire slots, the lengths of the coils are equal, the resistances are balanced, and the motor performance is ensured.

(3) The stator is simple to manufacture, and the stator completes winding once; the tooling equipment of the winding machine has no consumable product and has low equipment cost.

(4) Copper wire consumption is reduced, and motor cost is reduced; meanwhile, the motor is high in efficiency and low in temperature rise.

(5) The roundness of the motor is improved, the air gap field is improved, the electromagnetic noise of the motor is reduced, the overall quality of the motor is improved, and the design of the motor is optimized.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an integrated stator structure of winding is concentrated to segmentation wire winding which characterized in that: the integrated stator comprises an integrated stator core and an integrated insulating rubber sleeve, wherein the integrated insulating rubber sleeve is arranged on the integrated stator core to form an integrated stator main body; the integrated insulating rubber sleeve comprises a plurality of insulating rubber sleeves, and a plurality of insulating rubber sleeve monomers are arranged on the inner wall of the outer ring shell to form the integrated insulating rubber sleeve; the insulating rubber sleeve monomer comprises a barrel, a wire groove is formed in the top surface of the barrel, and at least one partition plate is arranged in the wire groove to divide the wire groove into two winding bins.

2. The segmented wound concentrated winding integrated stator structure of claim 1, wherein: the integrated stator core comprises an iron core shell body, and a plurality of rubber sleeve grooves matched with the insulating rubber sleeve monomers are formed in the inner wall of the iron core shell body.

3. The segmented wound concentrated winding integrated stator structure of claim 1, wherein: the shape of the outer side surface and the inner end surface of the integrated stator core is round; the shape of the outer end face and the inner end face of the integrated insulating rubber sleeve is round.