CN101887788B - Power high-tension porcelain insulator snow-blowing and deicing device - Google Patents

Abstract

The invention discloses a device for blowing snow and melting ice for electric high-voltage insulating porcelain bottles. There is a rain cover on the top. The invention blows the hot air from the blower onto the insulating porcelain bottle of the high-voltage electric wire to melt the rain and snow, so that the snow, icicles and ice layers on the surface of the insulating porcelain bottle can be quickly removed, and the impact of snow, freezing rain and bad weather is greatly reduced. The threat to the safety of power equipment ensures the safe operation of power equipment during winter snow, freezing rain and severe weather. In the present invention, the insulating support rod adopts a segmented structure, which can flexibly adjust the height of the insulating support rod, thereby aiming at the snow-melting position and achieving a good snow-melting effect. A rainproof cover is provided above the segmented insulating support rod, which can effectively prevent rain and snow from affecting the invention in rainy and snowy days, and can preserve hot air, which has a more obvious effect on snow melting.

Description

A device for blowing snow and melting ice from electric high-voltage insulating porcelain bottles

technical field

The invention relates to a snow-melting device, in particular to a snow-blowing and ice-melting device aimed at snow accumulation on electric high-voltage insulating porcelain bottles.

Background technique

Before and after the Spring Festival in 2008, the ice, snow and freezing rain disasters in southern my country caused serious damage to people's production and life, especially the damage to power equipment was devastating, which paralyzed most of the southern power grids, and the restoration and reconstruction work was quite complicated. , the task is quite onerous, causing the country and the people to suffer huge economic losses. This is the most powerful proof of the devastating damage to power equipment caused by ice, snow and freezing rain disasters. The reasons are as follows:

1. Heavy snow in winter or too long snowing time, the snow accumulated on the surface of the insulating porcelain vase skirt is too thick, and a breakdown short circuit channel is formed on the surface, which is easy to break down the insulation of the high-voltage live conductor to the ground, resulting in accident tripping, large-scale power outages, high-voltage Equipment insulation damage;

2. During or after snowing in winter, due to the heating of the current-carrying conductor, heat transfer will be formed between the current-carrying conductor and the insulator that fixes it. When the outdoor ambient temperature is lower than 0°C, the snow on the surface of the porcelain skirt will gradually melt or After partial melting, icicle strings will be formed between the porcelain skirt and the porcelain skirt. When the dielectric strength of the porcelain insulation surface is lower than the breakdown limit, the insulating porcelain bottle will be broken down, causing accidental power outages and serious consequences of equipment damage;

3. When freezing rain occurs, a conductive ice layer channel is formed on the surface of the insulating porcelain bottle, which will be broken down under the action of strong electric field and high voltage.

In order to clear the snow and icicles between the porcelain skirts of insulating porcelain bottles and prevent the grounding short circuit, the only method that the substation watchman can use in the past is to use the metal head of the insulating rod to horizontally move the snow and icicles between the porcelain skirts of the insulating porcelain bottles. The icicles are removed bit by bit.

This method has great disadvantages: there are many insulating porcelain bottles for substation equipment, and each insulating porcelain bottle has many layers of porcelain skirts. This method has a large workload, low efficiency, poor effect, and the speed of snow removal is very slow; , When the amount of snowfall is large, it is too late to remove it, and the effect is even more negligible, and the purpose of fast snow removal and icicle removal cannot be achieved at all. When using the metal head of the insulating rod to clear snow laterally between the porcelain skirts of the insulating porcelain bottles, it is easy to bruise and scratch the porcelain insulating surface, reduce the insulating strength of the porcelain, and bring hidden dangers.

Contents of the invention

The purpose of the present invention is to provide an electric high-voltage insulated porcelain bottle blowing snow and ice melting device that is rainproof, can adjust the height of the insulating rod to align with the snow melting part, and achieves a good snow melting effect.

To achieve the above object, the present invention adopts the following technical solutions:

The invention includes a fan, the tuyere of the fan is connected with an air jet pipe, a sectioned insulating support rod is connected above the air jet pipe, and a rainproof cover is arranged above the segmented insulating support rod.

A nozzle is provided at the end of the jet pipe.

In order to better cooperate with the insulating support rod, the lower end of the spout is provided with a protrusion, and a fixing groove is opened in the protrusion, and the fixing groove is matched with the insulating supporting rod.

The above-mentioned fixing groove is any one of square or oblate.

In addition, the spout can also be any one of circular or flat.

A dust filter cover is provided at the tuyere of the above-mentioned blower fan.

Moreover, the blower has an anti-collision and anti-static shell, and the shell is grounded.

In order to increase the creepage distance, an umbrella skirt is provided at the upper end of the above-mentioned insulating support rod.

The present invention adopting the above-mentioned technical scheme blows the hot air from the fan onto the insulating porcelain bottle of the high-voltage electric wire to melt the rain and snow, so that the snow, icicles and ice layers on the surface of the insulating porcelain bottle can be quickly removed, greatly reducing the The threat of snow and freezing rain to the safety of power equipment ensures the safe operation of power equipment during winter snow and freezing rain. In the present invention, the insulating support rod adopts a segmented structure, which can flexibly adjust the height of the insulating support rod, thereby aiming at the snow-melting position and achieving a good snow-melting effect. A rainproof cover is also provided above the segmented insulating support rod, which can effectively prevent rain and snow from affecting the present invention in rainy and snowy days, and after adding a rainproof cover, hot air can be preserved, which has a better effect on melting snow. obvious.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Detailed ways

Example 1

As shown in FIG. 1 , the present invention includes a blower fan 1 , the tuyere of the blower blower 1 is connected with an air injection pipe 2 , and an insulating support rod 3 is connected above the air injection pipe 2 . In this embodiment, the insulating support rod 3 can be bound above the gas injection pipe 2 through a connecting band. When in use, the staff can hold the insulating support rod 3 and align the outlet of the air jet tube 2 with the insulating porcelain bottle 5 on the high-voltage wire 6, so that the hot air from the fan 1 blows directly on the insulating porcelain bottle 5 through the air jet tube 2 , finally make the snow on the insulating porcelain bottle 5 melt.

In order to better realize the present invention, the fan 1 in this embodiment is a fan with high power, strong blowing, adjustable air flow and air volume, hot air drying, and adjustable heat. Its power is 2KW, and the temperature can reach 50℃～60℃. In addition, the fan 1 has a metal protective shell, which is anti-collision and anti-static, and the shell is grounded during operation. At the same time, fan 1 is equipped with cables of sufficient length. When in use, the blower fan 1 can be fixed on the trolley for mobile operation, and the power control panel can also be mounted on the handle of the trolley at a position convenient for operation, so that the operation is more convenient and the efficiency is higher.

Air jet pipe 2 has the characteristics of high insulation strength, anti-freezing rain, high toughness, wear resistance, not easy to crack after being placed or stretched many times, high and low temperature resistance, and does not affect its various performances when used in harsh environmental and climatic conditions, anti-static, It is convenient to disassemble and replace. According to the height of the insulating porcelain bottle, different lengths of air jet pipes 2 can be selected to allow strong air flow.

The insulating support rod 3 in this embodiment is segmented, which is convenient for disassembly and assembly, and the height of the insulating support rod 3 can be adjusted, so that it can be better aligned with the snow-melting position and achieve a better snow-melting effect. The insulating support rod 3 has the characteristics of high dielectric strength, conforms to the national high-voltage test standard, is resistant to high and low temperatures, and does not affect its various performances when used in harsh environmental and climatic conditions. Rain can effectively prevent rain and snow from affecting the present invention in rainy and snowy days, and after adding the rainproof cover 9, hot air can be preserved, and the snow melting effect is more obvious.

Example 2

The difference between this embodiment and Embodiment 1 is that, in this embodiment, the end of the jet pipe 2 is provided with a nozzle 4 . The lower end of the spout 4 is fixedly connected to the protrusion 7, and the protrusion 7 is provided with a fixing groove 8, and the above-mentioned fixing groove 8 is matched with the insulating support rod 3.

Spout 4 can be changed, can be changed into any one in circular or flat according to air flow requirement difference, and its caliber also can be large caliber or small caliber spout, thus forms divergent air flow or concentrated strong air flow.

Above-mentioned fixing groove 8 is any one in square or oblate, and wherein square is advisable with square, can prevent horizontal rotation when jet tube 2 sprays air, plays the effect of accurate control, absolute control spout 4 directions. If the fixed groove 8 is designed to be circular, the direction of the nozzle 4 may rotate horizontally under the action of the strong airflow during the jet, which will make the staff unable to control the direction of the nozzle airflow, and cannot accurately control the direction of the nozzle. The effect of blowing snow and melting ice.

Other technical schemes are identical with embodiment 1.

Example 3

The difference between this embodiment and Embodiment 1 is that in this embodiment, a dust filter cover is provided at the tuyere of the blower fan 1, and the dust filter cover can filter dust and dust safely and efficiently, and ensure clean sprayed air.

Other technical schemes are identical with embodiment 1.

Example 4

The difference between this embodiment and Embodiment 1 is that in this embodiment, an umbrella skirt is provided on the upper end of the insulating support rod 3, and the setting of the umbrella skirt can increase the creepage distance, thereby preventing workers from being injured by electricity.

Other technical schemes are identical with embodiment 1.

Claims (6)

1. A device for blowing snow and melting ice in electric high-voltage insulated porcelain bottles, characterized in that: it includes a blower fan, the air outlet of the blower fan is connected with an air injection pipe, and a segmented insulating support rod is connected above the air injection pipe, and the segmented insulating support A rainproof cover is provided above the rod; a spout is provided at the end of the jet pipe, and a bump is provided at the lower end of the spout, and a fixing groove is opened in the bump, and the fixing groove is matched with the insulating support rod. 2. The snow-blowing and ice-melting device for electric high-voltage insulated porcelain bottles according to claim 1, characterized in that: said fixing groove is any one of square or oblate. 3. The snow-blowing and ice-melting device for electric high-voltage insulated porcelain bottles according to claim 1, characterized in that: the nozzle is either round or flat. 4. The device for blowing snow and melting ice for electric high-voltage insulated porcelain bottles according to claim 1, characterized in that: the air outlet of the fan is provided with a dust filter cover. 5. The device for blowing snow and melting ice for electric high-voltage insulated porcelain bottles according to claim 4, characterized in that: the fan has an anti-collision and anti-static shell, and the shell is grounded. 6. The device for blowing snow and melting ice for electric high-voltage insulating porcelain bottles according to claim 1, characterized in that: the upper end of the insulating support rod is provided with an umbrella skirt.