RU192855U1 - DEVICE FOR PREVENTION OF EDUCATION OF NALEDIA AND IZIKI - Google Patents

Abstract

The utility model relates to the field of construction and operation of buildings and structures and can be used as an anti-icing device to prevent the formation of ice and icicles on the roof edges. The technical result consists in eliminating (reducing the likelihood) the formation of ice and icicles on the protruding parts of the roofs and facades of buildings and The device for preventing the formation of frost and icicles contains a metal bar and a heating element located along the lower edge of the roof, etc. this has three parts - one located under the roof on its lathing, the second - protruding beyond the edge of the roof, having a bend at the free end, the third - located behind the bend of the second part of the plank, and the internal angle formed by the bend between the second and third parts of the plank is blunt, and the third part of the bar at the free end has a bend, inside which is located a heating element.

Description

The utility model relates to the field of construction and operation of buildings and structures and can be used as an anti-icing device to prevent the formation of ice and icicles on the roof edges.

A known device for preventing the formation of ice and icicles on the roof edges, containing an element closed in cross section mounted on the outer edge of the roof, made in the form of a sheet of soft metal with a heater located on it, covered with an insulating layer, the heater is equipped with down conductors for connection to a power source (patent RU 23634 U1, published June 27, 2002).

A device is also known for preventing the fall of icicles, frost and snow from the protruding parts of roofs and facades, comprising a sheet-like body containing a part of the sheet-like body lying on the surface of the protruding parts in the direction from their edge, and partially bonded to them, and a part of the sheet-like body protruding beyond the edge, while the part of the sheet-like body protruding beyond the edge is made of a material having the property of flexibility and elasticity at temperatures of formation of ice and icicles, the sheet-like body being Flax with the possibility of delaying ice and snow on its surface. Part of the sheet-like body on the surface of the protruding parts and the part of the sheet-like body protruding beyond the edge are located relative to each other at an angle of at least 180 ° (patent RU 85179 U1, published July 27, 2009).

A common disadvantage of the known devices for preventing the formation of ice and icicles is the poor performance associated with the placement of anti-icing devices on the roof surface, and not under it. When placing the anti-icing device on the roof, an obstacle is created for the movement of the drop, as a result of which the drop stops and ice forms. The accumulation of melt water under the bent upper edge of the metal occurs, which leads to the need for continuous operation of the heating elements. In the case of using a undulating roof, installation of known anti-icing devices is difficult.

As the closest technical solution of the claimed utility model, a device was selected to prevent the formation of icicles on the edge of the roof, containing a metal strip (drip) located along the lower edge of the roof and a heating element, while the strip has two parts - one located under the roof on the rafter system, the second - protruding beyond the edge of the roof, having a bend at the free end in which the heating element is placed. The bar may be made of a bent sheet of metal or from interconnected metal sheets. The second part of the strip extends beyond the roof by 5-200 mm and has an angle of inclination or coinciding with the angle of inclination of the overhang of the roof or different from the angle of inclination of the overhang of the roof, but not more than 30 degrees (patent RU 172748 U1, published on July 21, 2017). .

The disadvantage of the closest analogue, as well as known devices for preventing the formation of ice and icicles, is poor performance due to the lack of contact of the roof with the strip, which causes the formation of icicles and ice in two places - on the bottom of the roof and the strip. This leads to the need for long-term operation of the heating element and high power consumption.

A technical problem, the solution of which is provided by the claimed utility model, is the creation of a device to prevent the formation of ice and icicles, which is devoid of the disadvantages of known analogues and can improve the efficiency of the fight against the formation of ice and icicles.

The technical result obtained by using the claimed utility model is to exclude (reduce the likelihood) the formation of ice and icicles on the protruding parts of the roofs and facades of buildings and structures.

The technical result is achieved in that a device for preventing the formation of frost and icicles, comprising a metal strip and a heating element located along the lower edge of the roof, the strip has two parts - the first, located under the roof, and the second, protruding beyond the edge of the roof, having at the end of the bend, according to a useful model, the plank additionally contains a third part located behind the bend of the second part of the plank, and the internal angle formed by the bend between the second and third parts Anki is blunt, the first strap portion disposed under the roof sheathing at a roof, and the third strap portion at the free end has a bend, inside which is located a heating element.

Moreover, according to a utility model, the internal angle formed by the bend can take values from 90 ° to 180 °.

Moreover, according to the utility model, the third part of the bar can be plumb.

Moreover, according to the utility model, the bend at the end of the third part of the plank can be made towards the roof.

This utility model is illustrated by drawings (Fig. 1, 2), an example of a device for preventing the formation of ice and icicles on which, however, is not the only possible, but clearly demonstrates the possibility of achieving the claimed technical result.

FIG. 1 is a diagram of a roofing device and a device for preventing the formation of frost and icicles, FIG. 2 presents the inventive device.

According to a utility model, the device comprises a metal strip 2 and a heating element 3 located along the lower edge of the roof 1 (Fig. 1). Planck 1 has three parts 4, 5, 6 (Fig. 2). The first part 4 is located under the roof 1 on its lathing 7, the second part 5 extends beyond the edge of the roof 1. At the free end, the second part 5 has a fold 8, after which the third part 6 is located (Fig. 1, 2). The internal angle formed by fold 8 between the second part 5 and the third part 6 of the bar 2 is obtuse, i.e. takes values from 90 ° to 180 °. The third part 6 of the strap 2 can be located vertically, i.e. hanging down from the roof of the building.

The third part of the strip 6 at the free end has a bend 9, inside which there is a heating element 3. The bend 9 can be made towards the roof 1 (inward) (Fig. 2).

The presence in the device of a part that hangs down, i.e. located at an obtuse angle to parts of the plank, which is a continuation of the overhang of the roof, and the location of the part of the plank located under the roof not on the rafter system, but directly under the roof, determines a more effective anti-icing protection of the building, since it does not allow icicles and ice to accumulate on the plank itself due to the shape and location of its third part at an obtuse angle and accumulate snow between the plank and the roof.

The inventive drain device operates as follows.

Voltage is applied to the heating element 3, after which the heating surface - the protruding part 5 and the hanging part 6 of the strap 2 reaches a temperature exceeding the temperature of the surrounding air. Then heat is transferred by a contact method to the rest of the surface of the metal strip 2, and from it to the roof covering. Under the influence of heat, the snow begins to melt and slide to the edge of the cornice and then to part 5 of slat 2, on which it completely melts and flows down part 6 in the form of drops. A drop from the roof freely enters strap 2. The formation of icicles and ice does not occur on the edge of the roof 1, but on the lower (overhanging) part 6 of strap 2 (in the area of bend 9). The bend 9 can be made of various shapes, for example, inside (towards the roof 1), we half lay the heating cable 3 and it is possible to bring the bend 9 to a full circle. With a full circle, the contact area with cable 3 increases, the heat loss to the air decreases. The heat from the cable 3, first of all, enters the lower part 6 of the strap 2, where the formation of ice and icicles occurs. As cable 3, you can use fast-heating cable along the entire length. It is enough to turn on the heating element for a short time (from 10 to 30 minutes depending on the climatic zone, type of cable, etc.), with an interval of several hours (≈12 hours).

Claims (4)

1. A device for preventing the formation of frost and icicles, containing a metal bar located along the lower edge of the roof and a heating element, the bar has two parts - the first located under the roof, the second protruding beyond the edge of the roof, having a bend at the free end that differs the fact that the plank additionally contains a third part located behind the fold of the second part of the plank, and the internal angle formed by the bend between the second and third parts of the plank is obtuse, the first part of the plank laid under the roof on the roof lath, and the third part of the strip at the free end has a bend, inside which there is a heating element. 2. A device for preventing the formation of frost and icicles according to claim 1, characterized in that the internal angle formed by the fold takes on values from 90 ° to 180 °. 3. A device for preventing the formation of ice and icicles according to claim 2, characterized in that the third part of the plank is plumb. 4. A device for preventing the formation of frost and icicles according to claim 1, characterized in that the bend at the end of the third part of the plank is made towards the roof.

Images