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Semi-closed double-jet-airflow arc extinguishing insulator

A jet air, semi-enclosed technology, applied to insulators, electrical components, spark gaps, etc., can solve problems such as damage to line usage and operating life

Pending Publication Date: 2020-10-27
段小嬿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Insulators should not fail due to various electromechanical stresses caused by changes in environmental and electrical load conditions, otherwise the insulator will not have a significant effect and will damage the service and operating life of the entire line

Method used

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  • Semi-closed double-jet-airflow arc extinguishing insulator
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  • Semi-closed double-jet-airflow arc extinguishing insulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 , image 3 As shown, a semi-enclosed double-jet airflow arc-extinguishing insulator includes an insulator main body 4, an upper electrode 2 and a lower electrode 3 fixedly installed on a cross arm or an overhead wire through connecting fittings; the inside of the insulator main body 4 is hollow structure, and in the middle position inside the insulator body, there is also a partition 8 longitudinally, the partition 8 divides the inner space of the insulator body 4 into two groups of jet flow channels 9, and the partition 8 is provided with a wall electrode 7; A jet air assembly is fixedly installed on the upper end of the jet air channel on the left, and the lower end is an air jet nozzle extending to the side of the insulator main body; An air jet component is installed; the air jet component at the upper end of the insulator main body is electrically connected with the upper electrode 2 , and the air jet component at the lower end of the insulator ma...

Embodiment 2

[0032] Such as Figure 4 As shown, the structure and principle of this embodiment are basically the same as that of Embodiment 1, the difference is that the wall electrode 7 uses a compressed arc extinguishing tube. The compression arc extinguishing tube adopts a ceramic tube, and an arc-guiding metal ball is placed in the middle of the tube.

Embodiment 3

[0034] Such as Figure 5 As shown, the structure and principle of this embodiment are basically the same as that of Embodiment 1, the difference is that the wall electrode 7 uses a recoil tube. The recoil pipe is a semi-closed pipe with one end open and the other end connected to the lightning pole.

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Abstract

The invention discloses a semi-closed double-jet-airflow arc extinguishing insulator, which comprises an insulator main body, an upper electrode and a lower electrode, wherein the interior of the insulator main body is of a hollow structure, a partition plate is further longitudinally arranged in the middle of the interior of the insulator main body and divides the internal space of the insulatormain body into two sets of airflow jet channels, the upper end of the airflow jet channel on the left side is fixedly provided with an airflow jet assembly, the lower end is an airflow nozzle extending towards the side surface of the insulator main body, the upper end of the airflow jet channel at the right side is an airflow nozzle extending towards the side surface of the insulator main body, and the lower end is fixedly provided with an airflow jet assembly. According to the invention, the semi-closed double-jet-airflow arc extinguishing insulator can restrain and control the arc path, eliminates the harm of arc drift, is wide in application range, is installed once, can be repeatedly used for a long time, is low in operation cost, is high in sensitivity, and facilitates the safe production of electric power.

Description

technical field [0001] The invention belongs to a lightning protection device for power transmission and distribution overhead lines, and relates to a semi-closed double-jet airflow arc-extinguishing insulator. Background technique [0002] Insulators are special insulation controls that can play an important role in overhead transmission lines. Insulators were mostly used on utility poles in the early years, and gradually developed into high-voltage wire connection towers where many disc-shaped insulators were hung at one end. It was used to increase the creepage distance and was usually made of glass or ceramics. Insulators should not fail due to various electromechanical stresses caused by changes in the environment and electrical load conditions, otherwise the insulator will not play a significant role and will impair the service and operating life of the entire line. [0003] The main function of the insulator is to achieve electrical insulation and mechanical fixation...

Claims

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Application Information

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IPC IPC(8): H01B17/46H01B17/48H01T1/08H01T1/02
CPCH01B17/46H01B17/48H01T1/02H01T1/08
Inventor 王巨丰王嬿蕾张清河彭斐杨倩颖
Owner 段小嬿
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