Insulating sleeve

A technology of insulating sleeves and insulating cylinders, applied in insulators, insulators, electrical components, etc., can solve the problems of short service life and easy damage to insulating sleeves, and achieve the effect of improving service life and reducing damage.

Inactive Publication Date: 2016-11-16
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] An insulating bushing is provided in the embodiment of the present invention to solve the problem that the insulating bushing in the prior art is easily damaged due to flashover phenomenon and has a short service life when used in liquid nitrogen

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0022] see figure 1 , is a structural schematic diagram of an insulating bushing provided by an embodiment of the present invention, as shown in figure 1 As shown, the insulating bushing includes a first flange 1, a first insulating cylinder 2 and a second flange 3, wherein: the first flange 1 and the second flange 3 have the same size...

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Abstract

The embodiment of the invention discloses an insulating sleeve. The insulating sleeve comprises a first flange, a first insulating cylinder and a second flange, wherein the first flange and the second flange are the same in size; the first flange and the second flange are positioned at two ends of the first insulating cylinder; the first flange and the second flange are fixedly connected with the first insulating cylinder; and the first insulating cylinder is uniformly provided with bulges with 45-degree angles. According to the insulating sleeve provided by the invention, the insulating cylinder is uniformly provided with the bulges with the 45-degree angles, and liquid nitrogen is subjected to damage caused by flashover for several times, so that the service life of the insulating sleeve is prolonged.

Description

technical field [0001] The invention relates to the technical field of high voltage insulation, in particular to an insulating sleeve. Background technique [0002] Insulating bushing is a tool commonly used in the power industry. It is used to support and fix busbars and live conductors, and to provide sufficient distance and insulation between live conductors or between conductors and the ground. As the voltage of power equipment continues to increase, the insulation performance requirements for insulating bushings are getting higher and higher. [0003] Under normal circumstances, the gas or liquid in the insulating sleeve will discharge along the insulating surface under the action of high voltage, and the voltage during the discharge is called the flashover voltage. After a flashover occurs, the voltage between the electrodes drops rapidly to zero or close to zero. Sparks or arcs in the flashover channel cause local overheating of the insulation surface and cause carb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B17/58
CPCH01B17/583
Inventor 马宏明胡南南杨鑫黑颖顿
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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