Coil for transformer
The design of providing connecting grooves on the outer wall of the iron core to clamp multiple coils solves the problem of limited number of existing coils, improves the current conducting capacity of the transformer and facilitates maintenance.
Patent Information
- Application Number
- CN202422237655.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-09-12
AI Technical Summary
The number of coils used in existing transformers cannot be increased, resulting in limited current conduction capacity and affecting the service life of the transformer.
The outer wall of the iron core is designed with a connecting groove, and multiple coils are clamped inside. The coil includes a shell and a connecting wire. The connecting wire is wound inside the shell. The iron core and the coil adopt a cylindrical structure. The notch on the outside of the shell facilitates the insertion into the groove, increasing the number of coils to improve the conductive current capacity.
The number of coils can be increased according to demand, the current conducting capacity of the transformer can be improved, and coil maintenance is facilitated.
Smart Images
Figure CN223390349U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, in particular to a coil for a transformer. Background Art
[0002] The transformer is an important device in power transmission and transformation equipment. It occupies an extremely critical position in the power grid and is the main equipment to ensure the power consumption of social production. The structure and material of the transformer directly affect the quality and safety of power supply. In the transformer, the coil is a very important component.
[0003] However, the number of coils used in existing transformers cannot be increased, which results in the transformer's current conducting capacity being limited during use, making it impossible to highlight the transformer's own capabilities, thereby reducing the transformer's service life. Summary of the Invention
[0004] The purpose of the present utility model is to provide a coil for a transformer to solve the problem mentioned in the background art that the number of coils used in existing transformers cannot be increased, resulting in the transformer's current conducting capacity being limited during use, resulting in the transformer's own capacity being unable to be highlighted, thereby reducing the transformer's service life.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a coil for a transformer, comprising an iron core, wherein the outer wall of the iron core is provided with a plurality of connecting grooves, wherein a plurality of coils are clamped in the connecting grooves, and the coil comprises a shell and a connecting wire, wherein the inner wall of the shell contacts the outer wall of the connecting groove, a notch is provided on the surface of the shell, and a connecting wire is wound inside the shell.
[0006] Preferably, the shell comprises an upper shell and a lower shell, a connecting cavity is formed between the upper shell and the lower shell, and a connecting wire is wound in the connecting cavity.
[0007] Preferably, the iron core and the coil are designed in a cylindrical structure.
[0008] Preferably, the outer walls of the upper shell and the lower shell are fixedly connected with upward and downward creepage plates respectively.
[0009] Beneficial effects
[0010] Compared with the existing technology, the beneficial effects of the present invention are:
[0011] Combined with the structural design of the utility model, the number of coils on the surface of the core of the transformer can be increased according to actual needs during use, thereby improving the current conduction capacity of the transformer. At the same time, if one of the coils is damaged, it is also convenient for subsequent maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 This is a schematic diagram of the iron core structure of the utility model;
[0014] Figure 3 This is a schematic diagram of the coil structure of the present utility model.
[0015] 1. Iron core; 2. Coil; 11. Connection slot; 21. Housing; 22. Upper housing; 23. Lower housing; 24. Connection cavity; 25. Connecting wire; 26. Notch; 27. Creepage plate. DETAILED DESCRIPTION
[0016] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0017] In the description of the present invention, it should be noted that the terms "upper," "lower," "left," "right," "front," "back," "inner," "outer," "vertical," and "horizontal" and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and are therefore not to be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
[0018] like Figure 1-3 It is a schematic structural diagram of a coil for a transformer in a preferred embodiment of the present invention. In this embodiment, a coil for a transformer includes an iron core 1, and the outer wall of the iron core 1 is provided with a plurality of connection grooves 11. A plurality of coils 2 are connected through the connection grooves 11, and the coil 2 includes a shell 21 and a connection wire 25. The inner wall of the shell 21 contacts the outer wall of the connection groove 11. A notch 26 is provided on the surface of the shell 21 to facilitate the shell 21 to be quickly inserted into the connection groove 11. The connection wire 25 is wound inside the shell 21. Combined with the structural design of the present invention, the number of coils 2 on the surface of the iron core can be increased according to actual needs during use, thereby improving the current conduction capacity of the transformer. At the same time, if one of the coils is damaged, it is also convenient for subsequent maintenance work.
[0019] In this embodiment, the housing 21 includes an upper housing 22 and a lower housing 23 , and a connecting cavity 24 is formed between the upper housing 22 and the lower housing 23 . A connecting wire 25 is wound in the connecting cavity 24 .
[0020] In this embodiment, the iron core 1 and the coil 2 are designed in a cylindrical structure, which can better fit the coil 2 and the iron core 1.
[0021] In this embodiment, the outer walls of the upper shell 22 and the lower shell 23 are fixedly connected with upward and downward creepage plates 27 respectively. The structural design is to solve the arc generated during the use of the transformer and increase its creepage distance.
[0022] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.
Claims
1. A coil for a transformer, comprising an iron core (1), characterized in that: The outer wall of the iron core (1) is provided with a plurality of connecting grooves (11), a plurality of coils (2) are clamped in the connecting grooves (11), the coils (2) include a shell (21) and a connecting wire (25), the inner wall of the shell (21) is in contact with the outer wall of the connecting groove (11), a notch (26) is provided on the surface of the shell (21), and the connecting wire (25) is wound in the shell (21).
2. The transformer coil according to claim 1, wherein: The housing (21) comprises an upper housing (22) and a lower housing (23), a connecting cavity (24) is formed between the upper housing (22) and the lower housing (23), and a connecting wire (25) is wound in the connecting cavity (24).
3. The transformer coil according to claim 1, wherein: The iron core (1) and the coil (2) are designed in a cylindrical structure.
4. The coil for a transformer according to claim 2, characterized in that: The outer walls of the upper shell (22) and the lower shell (23) are respectively fixedly connected with upward and downward creepage plates (27).