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Ice coagulation preventing cable and auxiliary equipment

An anti-condensation and cable technology, which is applied in the installation of cables, insulated cables, and cables, can solve problems such as endangering people's lives, affecting signal transmission, and economic losses, and can reduce latent heat release speed and cold conduction speed, Reduce the contact area and reduce the effect of galloping

Active Publication Date: 2012-10-10
尹学军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For wireless signal transmission towers and their signal transmitters, there is also the problem of ice condensation. Once ice condensation occurs, the signal transmission will be affected at the slightest, and the tower will collapse if it is severe.
There is also the problem of icing on the transmission lines, transmission poles and tension lines of electrified railways. Once icing occurs, it will affect the power supply at least, and cause the wires to break if it is serious.
[0003] These natural disasters endanger the national lifeline projects, which will not only cause huge economic losses, but also bring great inconvenience to people's lives, and even endanger people's lives in severe cases.

Method used

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  • Ice coagulation preventing cable and auxiliary equipment
  • Ice coagulation preventing cable and auxiliary equipment
  • Ice coagulation preventing cable and auxiliary equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 The shown anti-icing cable of the present invention includes a cable 1 and an anti-condensation sleeve 2 provided on its surface. There is a gap between the inner surface of the anti-condensation sleeve 2 and the outer surface of the cable 1, and the two can rotate relative to each other. Among them, the cable 1 is a signal line of an outdoor empty frame, and the anti-condensation sleeve 2 is made of polyurethane material with low thermal conductivity and low density, and its cross section is a hollow closed circular structure. In order to prevent heat exchange and reduce the actual contact area between the anti-condensation sleeve and the cable, some granular protrusions 3 are arranged at intervals on the inner surface where the anti-condensation sleeve contacts the cable.

[0035] Due to the installation of the anti-condensation sleeve 2, the heat exchange between the cable and the outside is greatly reduced, and when rainwater falls directly on the cab...

Embodiment 2

[0037] Such as figure 2 The shown anti-icing cable of the present invention is different from the first embodiment in that the cable 1 is a high-voltage electric wire with an empty frame in the field, and is composed of multiple metal wire cores. The anti-condensation sleeve 2 is made of foaming material with low thermal conductivity, and adopts an internal structure that is gradually denser from the center to both sides to improve its heat insulation effect and keep the surface smooth; in order to improve the water repellency of the product, the anti-condensation sleeve 2 is also provided with a water-repellent film 4 on the surface. Since the shape of the anti-condensation sleeve is a smooth and round tube, the blind area for storing rain and snow for multi-strand cables is eliminated; the application of heat insulation materials and water-repellent materials reduces the freezing speed and release of raindrops when they meet the anti-condensation sleeve The latent heat spe...

Embodiment 3

[0041] Such as image 3 The shown anti-icing cable of the present invention includes the cable and the anti-condensation sleeve provided outside the cable. The cable 1 is an empty high-voltage electric wire in the field, and is composed of multiple strands of metal wire cores. The anti-condensation sleeve is composed of a PVC substrate 10 and a water-repellent film 4 arranged on its surface, and the water-repellent film is Teflon. In order to facilitate the sliding of rain and snow, the anti-condensation sleeve is set in a drop shape with a hollow cross section. In order to ensure that the cables can dissipate heat effectively in high temperature weather, a plurality of through holes 6 are provided at the lower part of the anti-condensation sleeve. In order to prevent unfavorable phenomena such as water ingress in the anti-condensation sleeve caused by turning the side with the through hole to the top of the cable, a counterweight 7 is set on the drop-shaped tip of the anti-...

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PUM

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Abstract

The invention relates to an anti-icing cable applicable to ice rain atrocious weather and matched auxiliary facilities with anti-icing property. The anti-icing cable of the invention is characterized in that the cable is sleeved with an anti-icing sleeve, a clearance is reserved between the inner surface of the anti-icing sleeve and the surface of the cable, and the anti-icing sleeve can rotate relative to the cable. An insulating bottle for field power transmission is characterized in that the easy-icing surface of the insulating bottle is provided with the anti-icing sleeve. An anti-icing field metal tower body is characterized in that the surface of an easy-icing part of the tower body is provided with an anti-icing element. A method for arranging the anti-icing sleeve or the anti-icing element on the easy-icing part of the cable, the insulating bottle or the tower body effectively prevents the surface from icing, greatly reduces the heat exchange with the outside, and effectively prevents the icing phenomenon caused by heat absorption after rainwater is directly contacted with the cable, the insulating bottle or the tower body.

Description

technical field [0001] The invention relates to an anti-icing electric wire or cable suitable for freezing and rainy weather, and auxiliary facilities with anti-icing characteristics used together with the electric wire or cable. Background technique [0002] Since China has a vast land area and spans multiple temperature zones, the temperature varies greatly from province to province, and rain and snow disasters occur from time to time. Judging from the 2008 rain, snow and freezing disasters in southern China, when the air temperature near the ground is below zero and the air at high altitude is relatively warm and freezing rain or snow falls, the raindrops or rain and snow hit the cold power lines, iron towers or When insulating bottles, because these objects are good conductors of heat, they can quickly conduct the heat in the rainwater and release it to the surrounding cold air, or in other words, quickly guide the coldness of the object itself and the coldness in the su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/17H01B7/28H01B17/38H02G7/16
Inventor 尹学军尹柏杨
Owner 尹学军
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