Transposed conductor winding with high space utilization rate

Abstract

The utility model relates to the technical field of transposed conductor windings, and discloses a transposed conductor winding with high space utilization rate, which comprises a conductor winding. The wire winding is composed of a first enameled flat wire, a second enameled flat wire, a third enameled flat wire, a fourth enameled flat wire, a fifth enameled flat wire, a sixth enameled flat wire, a seventh enameled flat wire, a wrapping layer and middle lining paper, and the second enameled flat wire is arranged at the lower left end of the first enameled flat wire; a fifth enameled flat wire is arranged at the right lower end of the first enameled flat wire, a third enameled flat wire is arranged at the bottom of the second enameled flat wire, and a fourth enameled flat wire is arranged at the bottom of the third enameled flat wire. According to the utility model, the insulating strength can be improved and the breakdown risk can be reduced by arranging the high-performance insulating material layer, and the mechanical strength can be enhanced and the influence of vibration and stress on the winding can be reduced by arranging the supporting blocks.

Description

Technical Field

[0001] This utility model relates to the field of transposed conductor winding technology, specifically a transposed conductor winding with high space utilization. Background Technology

[0002] A power transformer is a static electrical device used to convert a certain value of alternating voltage (current) into another or several different values ​​of voltage (current) with the same frequency. It is a static device with two or more windings, and the conductor windings are an important component of a power transformer.

[0003] Existing transposed conductor windings have low insulation strength and a high risk of breakdown during use. They also have weak mechanical strength, which increases the impact of vibration and stress on the windings. Furthermore, they have low space utilization. Therefore, there is an urgent need for a transposed conductor winding with high space utilization to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a transposed conductor winding with high space utilization, in order to solve the problems mentioned in the background art, such as low insulation strength, high risk of breakdown, weak mechanical strength, which increases the impact of vibration and stress on the winding, and low space utilization.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A transposed conductor winding with high space utilization includes a conductor winding composed of a first enameled flat conductor, a second enameled flat conductor, a third enameled flat conductor, a fourth enameled flat conductor, a fifth enameled flat conductor, a sixth enameled flat conductor, a seventh enameled flat conductor, a wrapping layer, and an intermediate backing paper. The second enameled flat conductor is located at the lower left end of the first enameled flat conductor, the fifth enameled flat conductor is located at the lower right end of the first enameled flat conductor, the third enameled flat conductor is located at the bottom of the second enameled flat conductor, the fourth enameled flat conductor is located at the bottom of the third enameled flat conductor, the sixth enameled flat conductor is located at the bottom of the fifth enameled flat conductor, and the seventh enameled flat conductor is located at the bottom of the sixth enameled flat conductor. There are gaps between the second, third, and fourth enameled flat conductors and the fifth, sixth, and seventh enameled flat conductors. Intermediate liner paper is provided in these gaps. A wrapping layer is wound around the outer side of the entire assembly consisting of the first, second, third, fourth, fifth, sixth, and seventh enameled flat conductors and the intermediate liner paper. A high-performance insulating material layer is provided at the interchange points of the first, second, third, fourth, fifth, sixth, and seventh enameled flat conductors. A support block is provided at the bottom of the high-performance insulating material layer.

[0007] As a preferred embodiment of this utility model, the support block is an insulating pad.

[0008] As a preferred embodiment of this invention, the high-performance insulating material layer is a polyimide film.

[0009] As a preferred embodiment of this utility model, the material of the wrapping layer is power cable paper.

[0010] As a preferred embodiment of this utility model, the first enameled flat conductor, the second enameled flat conductor, the third enameled flat conductor, the fourth enameled flat conductor, the fifth enameled flat conductor, the sixth enameled flat conductor, and the seventh enameled flat conductor all have the same structure and size, and are all polyester enameled copper flat wires.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] This invention improves insulation strength and reduces the risk of breakdown by setting a high-performance insulating material layer made of polyimide film. By setting a support block made of insulating pad, mechanical strength can be enhanced and the impact of vibration and stress on the winding can be reduced. The structure is compact and has a high space utilization rate. Attached Figure Description

[0013] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0016] Figure 3 This utility model Figure 2 A magnified structural diagram of point A in the middle.

[0017] In the diagram: 1. Conductor winding; 2. First enameled flat conductor; 3. Second enameled flat conductor; 4. Third enameled flat conductor; 5. Fourth enameled flat conductor; 6. Fifth enameled flat conductor; 7. Sixth enameled flat conductor; 8. Seventh enameled flat conductor; 9. Wrapping layer; 10. High-performance insulation material layer; 11. Support block; 12. Intermediate liner paper. Detailed Implementation

[0018] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings. In the embodiments of the present utility model, the different types of cross-sectional lines are not labeled according to national standards, nor do they specify material requirements for the components; they are used to distinguish the cross-sectional views of the components in the drawings.

[0019] Please see Figure 1-3A transposed conductor winding with high space utilization includes a conductor winding 1. The conductor winding 1 consists of a first enameled flat conductor 2, a second enameled flat conductor 3, a third enameled flat conductor 4, a fourth enameled flat conductor 5, a fifth enameled flat conductor 6, a sixth enameled flat conductor 7, a seventh enameled flat conductor 8, a wrapping layer 9, and an intermediate backing paper 12. The second enameled flat conductor 3 is located at the lower left end of the first enameled flat conductor 2, the fifth enameled flat conductor 6 is located at the lower right end of the first enameled flat conductor 2, the third enameled flat conductor 4 is located at the bottom of the second enameled flat conductor 3, the fourth enameled flat conductor 5 is located at the bottom of the third enameled flat conductor 4, the sixth enameled flat conductor 7 is located at the bottom of the fifth enameled flat conductor 6, and the seventh enameled flat conductor 8 is located at the bottom of the sixth enameled flat conductor 7. 3. There are gaps between the third enameled flat conductor 4 and the fourth enameled flat conductor 5 and the fifth enameled flat conductor 6, the sixth enameled flat conductor 7 and the seventh enameled flat conductor 8. An intermediate liner 12 is provided in the gaps. A wrapping layer 9 is provided on the outer side of the whole consisting of the first enameled flat conductor 2, the second enameled flat conductor 3, the third enameled flat conductor 4, the fourth enameled flat conductor 5, the fifth enameled flat conductor 6, the sixth enameled flat conductor 7, the seventh enameled flat conductor 8 and the intermediate liner 12. A high-performance insulating material layer 10 is provided at the interchange of the first enameled flat conductor 2, the second enameled flat conductor 3, the third enameled flat conductor 4, the fourth enameled flat conductor 5, the fifth enameled flat conductor 6, the sixth enameled flat conductor 7 and the seventh enameled flat conductor 8. A support block 11 is provided at the bottom of the high-performance insulating material layer 10.

[0020] Among them, support block 11 is an insulating pad.

[0021] Among them, the high-performance insulating material layer 10 is a polyimide film.

[0022] The material of the wrapping layer 9 is power cable paper.

[0023] Among them, the first enameled flat conductor 2, the second enameled flat conductor 3, the third enameled flat conductor 4, the fourth enameled flat conductor 5, the fifth enameled flat conductor 6, the sixth enameled flat conductor 7, and the seventh enameled flat conductor 8 have the same structure and size, and are all polyester enameled copper flat wires.

[0024] The working principle and usage process of this utility model are as follows: First, a high-performance insulating material layer 10 is provided at the transposition points of the first enameled flat conductor 2, the second enameled flat conductor 3, the third enameled flat conductor 4, the fourth enameled flat conductor 5, the fifth enameled flat conductor 6, the sixth enameled flat conductor 7, and the seventh enameled flat conductor 8. A support block 11 is provided at the bottom of the high-performance insulating material layer 10. By providing the high-performance insulating material layer 10 made of polyimide film material, the insulation strength can be improved and the risk of breakdown can be reduced. By providing the support block 11 made of insulating pad, the mechanical strength can be enhanced and the impact of vibration and stress on the winding can be reduced. Moreover, the transposition conductor winding structure is compact and has a high space utilization rate. The contents not described in detail in this description belong to the prior art known to those skilled in the art.

[0025] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A transposed conductor winding with high space utilization, comprising a conductor winding (1), characterized in that: The conductor winding (1) consists of a first enameled flat conductor (2), a second enameled flat conductor (3), a third enameled flat conductor (4), a fourth enameled flat conductor (5), a fifth enameled flat conductor (6), a sixth enameled flat conductor (7), a seventh enameled flat conductor (8), a wrapping layer (9), and an intermediate backing paper (12). The second enameled flat conductor (3) is located at the lower left end of the first enameled flat conductor (2), and the fifth enameled flat conductor (6) is located at the lower right end of the first enameled flat conductor (2). The third enameled flat conductor (4) is located at the bottom of the second enameled flat conductor (3), and the fourth enameled flat conductor (5) is located at the bottom of the third enameled flat conductor (4). The sixth enameled flat conductor (7) is located at the bottom of the fifth enameled flat conductor (6), and the seventh enameled flat conductor (8) is located at the bottom of the sixth enameled flat conductor (7). The second enameled flat conductor (3), the third enameled flat conductor (4), the second enameled flat conductor (2), the third enameled flat conductor (3), the fourth enameled flat conductor (5), the fifth enameled flat conductor (6), the sixth enameled flat conductor (7), and the seventh enameled flat conductor (8) are all located at the bottom of the first enameled flat conductor (2). There are gaps between the first enameled flat conductor (2), the second enameled flat conductor (3), the third enameled flat conductor (4), the fourth enameled flat conductor (5), the fifth enameled flat conductor (6), the sixth enameled flat conductor (7), and the seventh enameled flat conductor (8). An intermediate liner (12) is provided in the gaps. A wrapping layer (9) is provided on the outer side of the whole consisting of the first enameled flat conductor (2), the second enameled flat conductor (3), the third enameled flat conductor (4), the fourth enameled flat conductor (5), the fifth enameled flat conductor (6), the sixth enameled flat conductor (7), the seventh enameled flat conductor (8), and the intermediate liner (12). A high-performance insulating material layer (10) is provided at the interchange of the first enameled flat conductor (2), the second enameled flat conductor (3), the third enameled flat conductor (4), the fourth enameled flat conductor (5), the fifth enameled flat conductor (6), the sixth enameled flat conductor (7), and the seventh enameled flat conductor (8). A support block (11) is provided at the bottom of the high-performance insulating material layer (10).

2. The transposed conductor winding with high space utilization according to claim 1, characterized in that: The support block (11) is an insulating pad.

3. The transposed conductor winding with high space utilization according to claim 1, characterized in that: The high-performance insulating material layer (10) is a polyimide film.

4. A transposed conductor winding with high space utilization according to claim 1, characterized in that: The material of the wrapping layer (9) is power cable paper.

5. A transposed conductor winding with high space utilization according to claim 1, characterized in that: The first enameled flat conductor (2), the second enameled flat conductor (3), the third enameled flat conductor (4), the fourth enameled flat conductor (5), the fifth enameled flat conductor (6), the sixth enameled flat conductor (7), and the seventh enameled flat conductor (8) have the same structure and size, and are all polyester enameled copper flat wires.

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