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Spherical-crown type particle capturing apparatus and power transmission and transformation equipment

A technology of power transmission and transformation equipment and capture device, which is applied in the field of high-voltage power transmission and transformation, can solve the problems of complex device structure, and achieve the effects of avoiding electric field distortion, uniform electric field, and simple structure

Inactive Publication Date: 2015-09-16
河南省高压电器研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this particle capture device can reduce the impact of particles on the insulation performance of power transmission and transformation equipment to a certain extent, the structure of the device is relatively complicated due to the limitation of its working principle.

Method used

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  • Spherical-crown type particle capturing apparatus and power transmission and transformation equipment
  • Spherical-crown type particle capturing apparatus and power transmission and transformation equipment

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Embodiment Construction

[0016] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0017] Specific embodiments of the power transmission and transformation equipment of the present invention, such as Figure 1 to Figure 2 As shown, it includes a cylinder 1 whose axis extends in the front-to-back direction and a spherical cap particle capture device located in the cylinder 1. The spherical cap particle capture device includes a shield 2 with an opening downward, and the shield 2 is a spherical structure. , the center of the shielding cover 2 is provided with a counterbore 21, the inner wall of the cylinder 1 is fixed with a base 3, the shielding cover 2 is fixed on the base 3 by the bolt 4 at the bottom of the counterbore 21, and the head of the bolt 4 is located in the counterbore In the hole 21, a zero-potential cavity is formed between the shield 2 and the cylinder 1, and a gap 10 for particles to enter the cavity is formed between t...

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Abstract

The invention relates to the high-voltage power transmission and transformation field, particularly to a spherical-crown type particle capturing apparatus and power transmission and transformation equipment. The spherical-crown type particle capturing apparatus comprises a shielding cover in a spherical-crown shape. The shielding cover is fixed at the inner wall of a cylinder based on a fixation structure; a zero-potential cavity is formed between the shielding cover and the cylinder; and a gap for particle entrance into the cavity is formed between the edge of the shielding cover and the inner wall of the cylinder. A particle can enter the cavity inside the shielding cover through the gap; an electric-field acting force of the particle is eliminated under the shielding effect of the shielding cover. Besides, the shielding cover can be used for preventing particle floating inside the cavity and thus the particle can not escape to a high-electric-field area, thereby avoiding an insulation breakdown caused by electric field distortion due to the particle and reducing the influence on the insulation performance of the power transmission and transformation equipment by the particle. The shielding cover has the spherical-crown-shaped structure, so that the particle falling down on the shielding cover is not easy to slide. The shielding cover is arranged inside the cylinder to capture particles and the structure is simple.

Description

technical field [0001] The invention relates to the field of high-voltage power transmission and transformation, in particular to a spherical crown particle capture device installed in power transmission and transformation equipment and the power transmission and transformation equipment. Background technique [0002] During the long-term online operation of power transmission and transformation equipment, a large number of dust particles, compounds and other foreign objects will be generated in the cylinder. On the cylinder wall at the lowest part of the cylinder, a large number of particles can greatly reduce the insulation performance of power transmission and transformation equipment, and in severe cases, it will cause power transmission and transformation equipment failure and affect the safe operation of power transmission and transformation equipment. Therefore, it is very necessary to provide a particle capture device installed in the power transmission and transform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/28
CPCH02B1/28
Inventor 张高潮张建新赵建沛王鹏飞张继坤周跃刚王卫东高杨吴盛刚李彦如
Owner 河南省高压电器研究所有限公司
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