Stepped overlapping core structure

A technology of iron core structure and core column, which is applied in the direction of transformer/inductor magnetic core, electrical components, transformer/inductor parts, etc., which can solve the problem of high transformer coil and oil tank height, insufficient utilization of transformer iron core, and overall Height becomes higher and other problems, to achieve the effect of reducing the overall height of the transformer, saving materials and reducing consumption, and reducing height

Pending Publication Date: 2019-02-19
BAODING BAOLING TRANSFORMER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The conventional structure of the existing transformer iron core is that the cross section of the core post and the iron yoke are both circular, and the cross section of the iron yoke is the same as that of the core post. High, so that the overall height of the transformer becomes higher, increasing the manufacturing cost

Method used

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  • Stepped overlapping core structure
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specific Embodiment

[0020] In this embodiment, as attached figure 1 , 2 As shown, the laminations in the core column 4 and the iron yoke 5 are composed of electrical steel strips 1, and the laminations are stacked in a six-step overlapping manner, and the six-step steps (Ⅰ, Ⅱ, Ⅲ, Ⅳ, Ⅴ, Ⅵ) The overlapping seams are staggered to reduce the magnetic resistance and loss.

[0021] Refer to attached image 3 , the core column 4 is formed by superimposing fifteen-stage laminations, the width of the fifteen-stage laminations decreases from the middle to both sides, so that the cross-sectional area of ​​the core column is a circular structure, and a core column oil channel 8 is set in the middle of the laminations for Heat dissipation.

[0022] Refer to attached Figure 4 , the iron yoke 5 is a cross-shaped structure formed by stacking two-stage laminations, and an iron yoke oil channel 9 is set in the middle of the laminations for heat dissipation. The two-stage laminations are divided into primary l...

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Abstract

The invention relates to a stepped overlapping core structure, and belongs to the technical field of transformer equipment. According to the technical scheme, the structure includes: a pull plate (2),pull plate insulation (3), core columns (4), iron yokes (5), a clamp piece (6), a core oil channel (8) and an iron yoke oil channel (9), and the three core columns (4) are arranged in parallel, the two ends of the three core columns (4) are respectively provided with one iron yoke (5), the iron yokes (5) and the core columns (4) are fixed together through the clamp piece (6) and the pull plate (2), and the pull plate insulation (3) is arranged between the pull plate (2) and the core columns (4), The core columns (4) are cylindrical structure laminated multiple stages of laminated sheets , anda core oil channel (8) is arranged between the laminated sheets, the iron yokes (5) are the cross square structure formed by the two stages of laminated sheets, and the iron yoke oil channel (9) is arranged between the laminated sheets. The structure has the advantages of simple core laminating and convenient operation. The overall height of the transformer is reduced, the heights of the coil andfuel tank of the transformer are reduced, and material consumption is reduced.

Description

technical field [0001] The invention relates to a step-and-lap joint iron core structure, which belongs to the technical field of transformer equipment. Background technique [0002] As people pay more and more attention to energy consumption and environmental protection, and the competition among major transformer manufacturers is becoming increasingly fierce, it is urgent to develop an iron core structure that can reduce manufacturing costs and have excellent performance in the field of transformer manufacturing. . [0003] The conventional structure of the existing transformer iron core is that the cross section of the core post and the iron yoke are both circular, and the cross section of the iron yoke is the same as that of the core post. High, so that the overall height of the transformer becomes high, increasing the manufacturing cost. Contents of the invention [0004] The purpose of the present invention is to provide a step-and-lap-joint iron core structure, wh...

Claims

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Application Information

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IPC IPC(8): H01F27/245H01F27/26H01F27/12
CPCH01F27/12H01F27/245H01F27/263
Inventor 王健边庆恺王维征刘连兴霍志辉王奎生黄仁旭吴文林刘涛
Owner BAODING BAOLING TRANSFORMER
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