Novel butting type bird resisting cover for high-voltage transmission line

A high-voltage transmission line, docking technology, applied in the field of bird protection, can solve the problems of insulator insulation strength drop, voltage distribution distortion, leakage distance shortening, etc., and achieve the effects of improving tolerance, reducing weight, and simplifying assembly and disassembly

Inactive Publication Date: 2014-02-12
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to birds staying, nesting, pecking at insulators and their feces sliding down along the insulator surface, bridging is formed on the insulator surface, which leads to a sharp drop in the insulation strength of the insulator, shortened leakage distance, distortion of voltage distribution, and continuous increase of conductivity. In this situation, flashover channels are formed, line tripping accidents occur frequently, and the safe operation of the power grid is challenged unprecedentedly.

Method used

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  • Novel butting type bird resisting cover for high-voltage transmission line
  • Novel butting type bird resisting cover for high-voltage transmission line
  • Novel butting type bird resisting cover for high-voltage transmission line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 , 2 As shown, the left cover body 1 and the right cover body 2 are both semicircular, and the left cover body 1 and the right cover body 2 form a circle when they are combined. The left cover body 1 and the right cover body 2 are plate-shaped, and a main reinforcing rib 3 is provided at the junction of the left cover body 1 and the right cover body 2, and a second rib is provided on the upper surface of the left cover body 1 and the right cover body 2. A reinforcing rib 7 (its shape and width are the same as the main reinforcing rib 3 ), the first reinforcing rib 7 is perpendicular to the main reinforcing rib 3 . The left cover body 1 and the right cover body 2 are also respectively provided with auxiliary reinforcing ribs 8, and there are four auxiliary reinforcing ribs 8, which are evenly distributed along the circumferential direction, and are respectively located between the main reinforcing ribs 3 and the first reinforcing ribs 7. In order to red...

Embodiment 2

[0044] Such as Figure 7 As shown, the difference from Embodiment 1 is that the two-layer boards at the bottom of the left cover body 1 and the right cover body 2 are not bonded together, and the distance between the two gradually expands from the edge to the center, forming a hollow shape .

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Abstract

The invention discloses a novel butting type bird resisting cover for a high-voltage transmission line. The novel butting type bird resisting cover comprises a cover body which is in a disc shape, a main reinforcing rib is arranged on the upper surface of the cover body, the cover body is divided into a left cover main body and a right cover main body, the left cover main body and the right cover main body are respectively in a semicircular shape, and the left cover main body and the right cover main body are connected at the position of the main reinforcing rib in a clamped mode through a bolt. The novel butting type bird resisting cover for the high-voltage transmission line prevents high-voltage line insulator breakdown caused by bird damage, improves the resistance of the insulator of the high-voltage transmission line, and ensures the safety operation of the line. The novel butting type bird resisting cover for the high-voltage transmission line is directly arranged above a line suspension insulator string to prevent bird droppings and foreign matters from falling off.

Description

technical field [0001] The invention relates to the field of high-voltage transmission lines, in particular to a bird-proof cover. Background technique [0002] In recent years, with the improvement of the environment and the increase of people's awareness of environmental protection, bird activities have become more and more frequent, and the tripping and flashover accidents of transmission lines caused by bird droppings are on the rise, which poses a great threat to the operation of the line. Due to birds staying, nesting, pecking at insulators and their feces sliding down along the insulator surface, bridging is formed on the insulator surface, which leads to a sharp drop in the insulation strength of the insulator, shortened leakage distance, distortion of voltage distribution, and continuous increase of conductivity. Under such circumstances, flashover channels are formed, line tripping accidents occur frequently, and the safe operation of the power grid is challenged u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/00
Inventor 卢明刘长义余翔胡阳宇董曼玲朱济林柯瑞卿张珂
Owner STATE GRID CORP OF CHINA
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