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Open type lead shielding cylinder connecting structure

A technology of lead wire shielding and connection structure, which is applied in the field of transformer manufacturing, can solve problems such as oil circuit blockage, discharge, overheating, etc., and achieve the effect of reducing weight and facilitating installation

Inactive Publication Date: 2019-05-28
TBEA SHENYANG TRANSFORMER GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above problems, the purpose of the present invention is to provide an open lead wire shielding cylinder connection structure to solve the problem that the existing shielding cylinder is easy to block the oil passage, resulting in local overheating or even discharge

Method used

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  • Open type lead shielding cylinder connecting structure
  • Open type lead shielding cylinder connecting structure
  • Open type lead shielding cylinder connecting structure

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] Such as Figure 1-3 As shown, an open lead wire shielding cylinder connection structure includes a first shielding cylinder 1, a second shielding cylinder 2 and a shielding ring 3, wherein the first shielding cylinder 1 and the second shielding cylinder 2 are used for the lead cable 5 to pass through, And the lead cable 5 is shielded, the shielding ring 3 is sleeved on the ends of the first shielding cylinder 1 and the second shielding cylinder 2, and connected with the first shielding cylinder 1 or the second shielding cylinder 2, the first shielding cylinder 1 and the second shielding cylinder 2 A first oil passage 10 is provided between the ends of the second shielding cylinder 2, and a second oil passage 11 communicating with the first ...

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Abstract

The invention belongs to the technical field of transformer manufacturing, and particularly relates to an open type lead shielding cylinder connecting structure. The open type lead shielding cylinderconnecting structure comprises a first shielding cylinder, a second shielding cylinder and a shielding ring, wherein the shielding ring is arranged at the end of the first shielding cylinder and the end of the second shielding cylinder in a sleeving mode and connected with the first shielding cylinder or the second shielding cylinder, a first oil channel is formed between the end of the first shielding cylinder and the end of the second shielding cylinder, and a second oil channel communicating with the first oil channel is formed between the shielding ring and the first shielding cylinder andbetween the shielding ring and the second shielding cylinder. The open type lead shielding cylinder connecting structure is convenient to dissipate heat, low in cost, light in overall weight, convenient to install and easy to operate.

Description

technical field [0001] The invention belongs to the technical field of transformer manufacturing, in particular to an open-type lead wire shielding cylinder connection structure. Background technique [0002] With the increase of UHV AC and DC projects, transformers, as one of the important equipment in the power grid, whether the connection structure of the high-voltage and high-current lead wire shielding cylinder is reliable, and the heat dissipation of high-current cables in the shielding cylinder directly affect the transformer product test Or the safety performance of hanging net operation. The existing high-voltage and high-current lead wires are all connected to the tail of the bushing from the root of the coil through a shielding tube with two ends open. Due to structural limitations, the shielding tube has many detours and the cross-section of the lead wire is large, which easily makes the oil circuit unsmooth. , resulting in local overheating or even discharge. ...

Claims

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Application Information

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IPC IPC(8): H01F27/12H01F27/28H01F27/32H01F27/36
Inventor 刘科良汪斌李桂苹
Owner TBEA SHENYANG TRANSFORMER GRP CO LTD
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