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Sleeve pipe end screen leading-out device of dry type transformer

A dry-type transformer and lead-out technology, applied in transformer/inductor parts, transformer/inductor coils/windings/connections, electrical components, etc., to achieve the effects of high reliability, simple structure and convenient use

Inactive Publication Date: 2016-07-27
XIAN SITAN ENVIRONMENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a dry-type transformer bushing end screen lead-out device to avoid technical defects caused by manual welding and shrapnel-type lead-out devices, ensure reliable grounding of the end screen, and improve product safety

Method used

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  • Sleeve pipe end screen leading-out device of dry type transformer
  • Sleeve pipe end screen leading-out device of dry type transformer
  • Sleeve pipe end screen leading-out device of dry type transformer

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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as figure 1 , figure 2 As shown, the lead-out device for the end screen of the dry-type transformer bushing of the present invention includes the end screen 1, the end screen connection plug 2, the bushing installation flange 3, the grounding compression spring 4, the first sealing ring 5, and the tap mounting seat 6 , the second sealing ring 7, the tap grounding protector 8.

[0027] Between the insulating layer of the last screen 1 and the bushing installation flange 3 of the present invention, a through hole coaxial with the inner threaded hole of the last screen installation provided on the bushing installation flange 3 is drilled in advance, and the inner diameter of the hole is slightly larger than that of the last screen connection The outer diameter of the lower end of the plug 2 is to improve the shock resistance of th...

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Abstract

The invention belongs to the field of monitoring of an electronic device transformer sleeve pipe, in particular relates to a sleeve pipe end screen leading-out device of a dry type transformer. The sleeve pipe end screen leading-out device comprises an end screen connection plug, a grounding press spring, a tap installation seat and a tap grounding protection cap, wherein the tap grounding protection cap, the tap installation seat and a sleeve installation flange are sequentially connected, the end screen connection plug is arranged in a cavity jointly formed by the tap grounding protection cap, the tap installation seat and the sleeve pipe installation flange, the grounding press spring sleeves the end screen connection plug, one end of the grounding press spring is in contact with the end surface of an installation step of the end screen connection plug, and the other end of the grounding press spring is in contact with a reducing end surface of the tap installation seat. By the sleeve pipe end screen leading-out device, the technical defect brought by manual welding and an elastic sheet type leading-out device is avoided, an end screen is enabled to be reliably grounded, and the application safety of a product is improved.

Description

technical field [0001] The invention belongs to the field of power equipment transformer bushing monitoring, and in particular relates to a dry-type transformer bushing end screen lead-out device. Background technique [0002] With the rapid development of our country's national economy, the demand for electric power is also increasing day by day. As the main equipment in the transmission and transformation system, the transformer industry has also achieved considerable development. The transformer bushing is an insulating component. As a key accessory of the transformer, it is an insulating bushing that leads the high and low voltage leads inside the transformer to the outside of the oil tank, and plays the role of supporting the wire and insulating the wire from the ground. The terminal screen lead-out device of the transformer bushing is the lead-out ground terminal of the last layer of capacitive bushing insulation, which is grounded during operation; when conducting the...

Claims

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Application Information

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IPC IPC(8): H01F27/00H01F27/29H01F27/32
CPCH01F27/00H01F27/29H01F27/32
Inventor 王晶弟李昭勋吕盼盼
Owner XIAN SITAN ENVIRONMENT TECH CO LTD
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