CN219553390U

CN219553390U - Stator framework

Info

Publication number: CN219553390U
Application number: CN202320773925.4U
Authority: CN
Inventors: 张嘉伟; 翟新宇; 施佳军; 宋伟; 朱严; 王婧雯
Original assignee: Shanghai Yingshuang Motor Technology Co ltd
Current assignee: Shanghai Yingshuang Motor Technology Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-18
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a stator framework, which comprises a framework body and an electric conductor. The electric conductor set up in on the skeleton body, the electric conductor includes electrically connected first conductive portion and second conductive portion, first conductive portion part protruding in the skeleton body surface sets up, second conductive portion part exposes in external setting. The stator framework has high reliability of welding the mounting line, is suitable for automatic production, and can improve efficiency and reduce cost.

Description

Stator framework

Technical Field

The utility model relates to the technical field of motor manufacturing, in particular to a stator framework in a rotary transformer.

Background

In the existing wound rotary transformer, the manufacturing process of the stator basically includes winding, manually binding wires and welding the mounting wires. However, the efficiency of manually binding the wire and welding the mounting wire is extremely low, and the welding is not firm, but the mechanical automatic assembly cannot be realized by the existing stator structure, and the working efficiency is low.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to provide a stator framework, which has high welding reliability of an installation line, is suitable for automatic production, and can improve efficiency and reduce cost.

In order to achieve the above object, the present utility model provides a stator frame, which includes a frame body and an electrical conductor. The electric conductor set up in on the skeleton body, the electric conductor includes electrically connected first conductive portion and second conductive portion, first conductive portion part protruding in the skeleton body surface sets up, second conductive portion part exposes in external setting.

In one or more embodiments, the conductor is partially embedded in the skeleton body, and a window is formed in the skeleton body, and exposes a portion of the second conductive portion of the conductor.

In one or more embodiments, the first conductive portion is provided in a columnar structure and the second conductive portion is provided in a sheet-like structure.

In one or more embodiments, the conductive body is copper.

In one or more embodiments, the number of electrical conductors is at least two, and a plurality of electrical conductors are electrically isolated from each other.

In one or more embodiments, the skeleton body has a junction formed thereon, and the electrical conductor is disposed on the junction.

In one or more embodiments, the skeleton body is provided with an annular wire groove, and the adapter is located on one of the side walls of the wire groove.

In one or more embodiments, the side wall of the wire slot is provided with at least two grooves, the two grooves are distributed on two sides of the switching part and are arranged close to the switching part, and each groove corresponds to one conductor.

In one or more embodiments, the depth of the groove is less than the height of the side wall of the wire chase.

In one or more embodiments, the skeleton body is arranged in a ring shape, and the wire slots are arranged on the peripheral surface of the ring-shaped skeleton body.

In one or more embodiments, the adapter is integrally formed with the skeletal body.

In one or more embodiments, the skeleton body is provided in a ring shape, and a plurality of winding parts are provided on an inner circumferential surface of the skeleton body.

Compared with the prior art, according to the stator framework, through the arrangement of the electric conductors, the welding strength of an installation line can be improved, the stator framework is suitable for automatic production, and the efficiency and the cost can be improved.

According to the stator framework, the switching part is arranged on the stator framework, the electric conductor is arranged on the switching part, the first electric conductor part is welded with the head end and the tail end of the stator winding (copper wire) after being wound, and the second electric conductor part is welded with the mounting wire, so that the production process of the stator framework is changed, the stator framework winding can be automated through equipment, mass production is realized, and the efficiency is improved and the cost is reduced.

According to the stator framework, the welding reliability of the mounting line is high, the welding effect is quantized and is easy to optimize, and the problem of poor welding effect caused by human factors can be solved.

Drawings

Fig. 1 is a perspective view of a stator frame according to an embodiment of the present utility model.

Fig. 2 is a front view of a stator frame according to an embodiment of the present utility model.

Fig. 3 is a side view of a stator frame according to an embodiment of the present utility model.

Fig. 4 is a detailed view of an adapter of a stator frame according to an embodiment of the present utility model.

Fig. 5 is a schematic view of a stator frame after winding according to an embodiment of the present utility model.

Fig. 6 is a perspective view of a stator frame according to another embodiment of the present utility model.

Fig. 7 is a schematic view of a stator frame connection mounting line according to another embodiment of the present utility model.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

As to the background art, the existing stator is limited by its structure, and can only be manually bound and welded to the mounting line after winding, but the manual welding to the mounting line easily causes the problem of unstable welding and even wire detachment, and the existing stator structure is not suitable for automatic assembly, so the assembly efficiency is low.

In order to solve the technical problems, the utility model creatively provides the stator framework, through the arrangement of the specific structure-electric conductor, the welding of the mounting wire is firmer, the stator framework can be suitable for mechanical automatic winding, and the assembly efficiency is further improved.

As shown in fig. 1 to 4, the stator frame according to an embodiment of the present utility model includes a frame body 10 and an electrical conductor 20. The electric conductor 20 is disposed on the skeletal body 10 and is partially exposed to the outside. The conductor 20 and the skeleton body 10 are formed by one-shot injection molding. The electrical conductor 20 is used for both winding and welding with the head or tail end of a stator winding (copper wire) and for welding with a mounting wire.

The skeleton body 10 is made of insulating materials, and is preferably in an annular arrangement, a wire groove 11 is concavely formed in the peripheral surface of the skeleton body 10 towards the central direction of the annular skeleton body, and the stator winding (copper wire) can be wound in the wire groove 11 along the circumferential direction of the skeleton body 10. The wire slot 11 has two side walls 111 arranged opposite each other.

The frame body 10 is formed with a joint 12, and the frame body 10 and the joint 12 are integrally formed. The adaptor 12 is preferably formed on one of the side walls 111 of the wire slot 11, and preferably, the thickness of the adaptor 12 is greater than the thickness of the side wall 111 of the wire slot 11, so as to facilitate the subsequent arrangement of the electrical conductor 20. The side wall 111 is provided with at least one groove 112 on both sides of the adapter 12. The groove 112 is disposed near the junction 12, and the head end or tail end of the stator winding (copper wire) in the slot 11 is connected to the conductor 20 on the junction 12 of the skeleton body 10 through the groove 112. Preferably, the depth of the recess 112 is much smaller than the height of the side wall 111 of the slot 11 but larger than the diameter of the stator winding (copper wire).

The conductor 20 is disposed on the adaptor 12 and is partially embedded in the adaptor 12. The skeleton body 10, the adapter 12, and the electrical conductor 20 may be formed by one-shot injection molding. The conductor 20 includes a first conductive portion 21 and a second conductive portion 22, wherein the first conductive portion 21 is partially protruding from the surface of the adaptor 12, and the second conductive portion 22 is partially exposed to the outside. The number of the conductors 20 is two, and the two conductors 20 correspond to the two grooves 112, so that the leading end and the trailing end of the stator winding (copper wire) can be respectively penetrated and wound. The electrical isolation between the two electrical conductors 20. The number of the conductors 20 can also be multiple, and the specific number is set according to actual needs, and the electrical isolation between the multiple conductors 20 is realized.

Illustratively, referring to fig. 4, the adapter 12 has a first surface remote from the wire slot 11. The first conductive portion 21 of the conductive body 20 is configured as a columnar structure, one end of which is buried in the adaptor 12, and the other end of which is disposed protruding from the first surface of the adaptor 12. The second conductive portion 22 of the conductive body 20 is disposed in a sheet-like structure, and is embedded in the adaptor portion 12 and electrically connected to the first conductive portion 21. The first surface of the adapting portion 12 is provided with a window 121, a part of the second conductive portion 22 of the conductive body 20 is exposed by the window 121, and the surface of the window 121 is higher than the surface of the second conductive portion 22 (the part of the second conductive portion 22 is located in the window 121). Preferably, the material of the conductor 20 is copper.

Referring to fig. 5, a head end or a tail end a of a stator winding (copper wire) is wound around a first conductive portion 21 and then welded, and a mounting wire B is welded to a second conductive portion 22.

As shown in fig. 6 and 7, a stator frame according to another embodiment of the present utility model includes a frame body 10 and an electric conductor 20. The electric conductor 20 is disposed on the skeletal body 10 and is partially exposed to the outside. The conductor 20 and the skeleton body 10 are formed by one-shot injection molding. The electrical conductor 20 is used for both winding and welding with the head or tail end of the stator winding (copper wire) and for welding with the mounting wire B.

The skeleton body 10 is made of an insulating material, and is preferably annular, and a plurality of winding portions 101 are uniformly arranged on the inner peripheral surface of the skeleton body 10 in the circumferential direction. A stator winding (copper wire) may be wound around the plurality of winding portions 101.

The electric conductor 20 is disposed on an edge surface of one side of the skeleton body 10, and is partially embedded in the skeleton body 10. The electric conductor 20 includes a first conductive portion 21 and a second conductive portion 22, wherein the first conductive portion 21 is partially protruded from the surface of the skeleton body 10, and the second conductive portion 22 is partially exposed to the outside. The number of the conductors 20 is two or more, and the conductors can be respectively penetrated and wound at the head end and the tail end of the stator winding (copper wire). The plurality of electrical conductors 20 are electrically isolated from one another.

The first conductive portion 21 of the conductive body 20 is illustratively provided in a columnar structure, one end of which is buried in the skeleton body 10, and the other end of which is disposed protruding from the surface of the skeleton body 10. The second conductive portion 22 of the conductive body 20 is disposed in a sheet-like structure, and is embedded in the skeleton body 10 and electrically connected to the first conductive portion 21. The surface of the skeleton body 10 is provided with a window 102, part of the second conductive portion 22 of the conductor 20 is exposed by the window 102, and the surface of the window 102 is higher than the surface of the second conductive portion 22 (part of the second conductive portion 22 is located in the window 102). Preferably, the material of the conductor 20 is copper.

Referring to fig. 7, the stator winding (copper wire) is wound around the first conductive part 21 at the leading end or the trailing end and then soldered, and the mounting wire B is soldered to the second conductive part 22.

In other embodiments, the skeleton body 10 may be other insulating structures, which can be used to wind stator windings (copper wires).

According to the stator framework, the switching part is arranged on the stator framework, the conductors are arranged on the switching part, the first conductive part is welded with the head end and the tail end of the stator winding (copper wire) after being wound, and the second conductive part is welded with the mounting wire, so that the production process of the stator framework is changed, the winding of the stator framework and the stator winding (copper wire) can be automated through equipment, mass production is realized, and the efficiency is improved and the cost is reduced.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. A stator frame, comprising:

a skeleton body;

the electric conductor is arranged on the framework body, the electric conductor comprises a first electric conduction part and a second electric conduction part which are electrically connected, the first electric conduction part is partially protruded from the surface of the framework body, and the second electric conduction part is partially exposed to the outside.

2. The stator frame of claim 1, wherein the electrical conductor is partially embedded in the frame body, and a window is formed in the frame body, and the window exposes a portion of the second conductive portion of the electrical conductor.

3. The stator frame of claim 1, wherein the first conductive portion is provided in a columnar structure and the second conductive portion is provided in a sheet-like structure.

4. The stator frame of claim 1, wherein the electrical conductor is copper.

5. The stator frame of claim 1, wherein at least two of said conductors are electrically isolated from each other.

6. The stator frame of claim 1, wherein the frame body has a junction formed thereon, and the electrical conductor is disposed on the junction.

7. The stator frame of claim 6, wherein the frame body is provided with an annular slot, and the adapter is located on one of the side walls of the slot.

8. The stator frame of claim 7, wherein at least two grooves are formed in a side wall of the slot, the two grooves are distributed on two sides of the switching portion and are arranged close to the switching portion, and each groove corresponds to one of the conductors.

9. The stator frame of claim 8 wherein the depth of the grooves is less than the height of the side walls of the wire slots.

10. The stator frame of claim 7, wherein the frame body is arranged in a ring shape, and the wire slots are formed in the circumferential surface of the ring-shaped frame body.

11. The stator frame of claim 6, wherein the adapter is integrally formed with the frame body.

12. The stator frame according to claim 1, wherein the frame body is provided in a ring shape, and a plurality of winding portions are provided on an inner peripheral surface of the frame body.