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Ice-melting experiment environment simulator of long-string insulator

A test environment and simulation device technology, applied in lighting devices, measuring devices, lighting devices, etc., to achieve low operating costs, avoid waste, and improve efficiency

Active Publication Date: 2012-07-04
BEIHANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can simulate sunlight and use non-contact heating, which can ideally achieve the effect of melting ice. However, at present, large-scale solar simulators have not been used in the simulation process of high-voltage ice-melting test environments.

Method used

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  • Ice-melting experiment environment simulator of long-string insulator
  • Ice-melting experiment environment simulator of long-string insulator
  • Ice-melting experiment environment simulator of long-string insulator

Examples

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 , figure 2 As shown, the present invention includes a test cabin 1, the middle part of the test cabin 1 is a cylindrical straight tube, the top is a spherical crown-shaped head protruding upwards, and the bottom slightly bulges in the cabin. Along the vertical direction of the inner wall of the test chamber 1, several lamp stands 2 are evenly spaced. In this embodiment, three light stands 2 are provided, and the intervals between each light stand 2 are 120°. A group of heat radiation lamps 3 are arranged on each lamp stand 2, and the light emitted by the heat radiation lamps 3 can simulate sunlight under natural conditions.

[0018] Such as image 3 As shown, each heat radiation lamp 3 includes a parabolic reflector lampshade 4 and a bulb 5, and the bulb 5 is arranged at the parabolic focal point of the reflector lampshade ...

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Abstract

The invention relates to an ice-melting experiment environment simulator of a long-string insulator, comprising an experiment cabin and a monitoring system. The simulator is characterized in that a plurality of lamp holders are uniformly arranged at intervals along the vertical direction of the inner wall surface of the experiment cabin, each lamp holder is provided with a group of thermal radiation lamps. Optical radiation ice-melting of the invention has the advantages of higher ice-melting efficiency than other ice-melting efficiency, small energy consumption, low operation cost and controllable heating efficiency. The invention can widely applied to the simulated experimental process in extra-high voltage ice-melting environment.

Description

technical field [0001] The invention relates to an environment simulating device, in particular to an environment simulating device for ice-melting test of long string insulators. Background technique [0002] my country's Guizhou Province, Hunan Province and other places belong to the subtropical zone, and the winter and spring are cloudy and rainy. The climate and geographical conditions are likely to cause icing on overhead lines. Ice flash accidents and mechanical damage are prone to occur under the working voltage. A large number of operating experience and observation data at home and abroad show that when the temperature rises, solar radiation and local arc heating cause a continuous water film on the surface of the ice-coated insulator, that is, under the melting state, the incidence of ice flash accidents is the highest. [0003] The melting of ice is a phase change process, and water passes through the solid-liquid two-phase region, changing from a saturated solid ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D21/00F21V33/00F21V19/02F21V23/00
Inventor 黄勇周军宿志一王浚于昕哲
Owner BEIHANG UNIV
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