KR19990036727U - Building materials with double air layers - Google Patents

Abstract

The present invention is to provide a building material having a double air layer that can obtain an insulation effect, a sealing effect, and a sound insulation effect by making an air layer between two films in a building material.

In the construction material having a double air layer of the present invention, a zigzag-folded film is inserted between two films, and the contacting surfaces thereof are thermally bonded to allow air to pass through, and the two films and the zigzag-folded film are folded. It is characterized in that the tubular space in which air is filled between the films is formed in double.

Building material having a double air layer according to the present invention can be used for agricultural, industrial, industrial building materials, semi-permanent installation, can be expected heat insulation effect, sealing effect and sound insulation effect.

Description

Building materials with double air layers

The present invention relates to a building material having a double air layer. More particularly, the present invention relates to a building material having a double air layer, which can create an air layer between two films to simultaneously obtain an insulating effect, a sealing effect, and a soundproofing effect.

In general, the heat exchange between the earth and the atmosphere depends on the surface conditions. In the daytime, the earth absorbs more heat than the heat itself emits and raises its temperature, but at night it is the opposite and cold. This change in temperature occurs mainly in soil layers of 30 to 40 cm in thickness, and the temperature shown in the upper layers determines the temperature of the atmosphere in contact with the surface. In the daytime, 21% of the heat absorbed by the surface is transmitted to the atmosphere by direct contact, and 24% is evaporated and consumed by 55% in the ground due to heat conduction. In the same place at night, 43% of the heat released (about 90% of the amount absorbed during the day) is heat obtained by contact with the ambient temperature, 50% is drawn from the ground, and 7% is obtained by condensation of water vapor. will be.

The plastic house artificially controls the above-mentioned temperature change to produce a change in the environment of crops hot in the cold and cool in the hot.

The vinyl house, which aims to increase crop production and prevent meteorological disturbances, has recently been rapidly distributed in Korea, where many farmers can effectively produce crops, easily plan production, and get away from seasonally affected production methods. By doing so, it contributes a lot to rural incomes.

Conventional vinyl houses mostly use polyethylene film as a building material, whereas hard plate houses use glass fiber reinforced plastics, vinyl chloride elements, acrylic plates, and the like. Hard plate houses are rarely put to practical use because of the high installation costs. In addition, the glass greenhouse is durable, but the installation cost is expensive and the greenhouse effect is insufficient.

The biggest problem of the conventional vinyl house is that a large amount of heat is released to the outside at night when the temperature drops sharply. Since transparent vinyl is used, it is very weak against heat conduction. Therefore, in winter or at night, polyethylene film is covered with double or triple, or artificial heating or insulation curtain is used to prevent the temperature drop in the plastic house. However, these methods also have problems such as the cost of installing a separate steel structure required for double and triple coating, the hassle of opening and closing a stack or a thermal insulation cover, and in the case of a curtain, heat is not completely sealed. Large vinyl houses that go outside and use giants have the disadvantage that they cannot be installed on days with strong winds.

Accordingly, the present invention is to solve such a conventional problem, and to provide a building material having a double air layer that can obtain a heat insulating effect, a sealing effect and a sound insulation effect by the double-shaped air layer of the tubular shape.

1 is a partial perspective view of a building material having a double air layer according to the present invention.

FIG. 2 is a cross-sectional view taken along line II of FIG. 1.

In the construction material having a double air layer of the present invention, a zigzag-folded film is inserted between two films, and the contacting surfaces thereof are thermally bonded to allow air to pass through, and the two films and the zigzag-folded film are folded. Between the film is characterized in that the tubular space that can be filled with air is formed in double.

Referring to the present invention with reference to the drawings as follows.

1 is a partial perspective view of a building material having a double air layer according to the present invention, and FIG. 2 is a sectional view taken along line II of FIG. 1.

In the air-filled vinyl house according to the present invention in Figure 1 is a zigzag folded vinyl or fabric 12 is inserted between the two sheets of vinyl or fabric (10, 11). The portion where the vinyl or fabric (10, 11) and the zigzag-folded vinyl or fabric (12) meet is joined by heat bonding to allow air to pass through the tubular form, the space 13 formed between them It can fill air.

An air inlet may be installed on one side of the building material to fill the air, and a plastic stopper may be installed to prevent air leakage.

FIG. 2 is a cross-sectional view taken along line II of FIG. 1. Injecting air into the building material, for example into the tubular space 13b ₁ , causes the air to pass into the next tubular space 13b ₂ and then into the next tubular space 13b ₃ . Thus, the first air layer is made in the space 13 of the building material.

In addition, when air is injected into, for example, the tubular space 13a ₁ , the air passes through the next tubular space 13a ₂ , and then through the next tubular space 13a ₃ , Subsequently it leads to the tubular space 13a ₄ where a second air layer is created in the space 13 of the building material.

Thus, the building material of the present invention has a double air layer.

As the above two sheets of film and a film folded in a zigzag shape, vinyl or fabric may be used.

The building material having a double air layer according to the present invention can be used in both a plastic house and an artificially heated vinyl house which maintains the internal temperature depending on solar and geothermal heat.

In addition, the building material having a double air layer according to the present invention can be used for agricultural, industrial and industrial use as well as aircraft hangars, warehouses, exhibition halls and vinyl outlet houses.

Hereinafter, the present invention will be described in detail with Examples and Comparative Examples.

Example

By installing a vinyl house as a building material with a double air layer according to the present invention, the temperature is measured by closing the vinyl house from December to February, which is a low temperature period, and opening the vinyl house in July and August, which is a high temperature period. Measured. The highest room temperature and the lowest room temperature of the day were measured and the average temperature is shown in Table 1.

Comparative Examples 1 to 3

A conventional double-roof vinyl house (Comparative Example 1), a stall-type vinyl house (Comparative Example 2), and a double-tunnel stall-type vinyl house (Comparative Example 3) are installed in the same place as in the embodiment, The room temperature was measured by the method, and the average temperature thereof is shown in Table 1.

Table 1 Unit: ℃

Survey period Indoor temperature management Comparative Example 1 Comparative Example 2 Comparative Example 3 Example Temperature Temperature Temperature Temperature Temperature Temperature Temperature Temperature Average low temperature Closure 24.9 -0.8 22.5 -1.2 21 -0.3 20.6 4.3 High temperature average 7 / 1-8 / 28 Opening 32.8 22.6 34.2 24.7 31.6 23.5 29.7 24.1

As shown in Table 1, the vinyl house using the building material having a double air layer according to the present invention is a low temperature from December to February, the maximum temperature is slightly lower than the comparative example, but high as about 20 ℃, the minimum temperature is It is kept as high as about 4 degreeC, and the difference of the highest temperature and the minimum temperature is small compared with a comparative example.

In addition, from July to August, the high temperature, the maximum temperature is lower than the comparative example, the minimum temperature is maintained to a similar degree.

This rise in temperature is due to the sun's radiant heat. The indoor temperature of a closed house has a large temperature difference between night and day, and the temperature distribution in the house is always uneven. In daylight, there is no ceiling in the open air, so the air warmed by the sun continues to rise and diverge, but inside the plastic house, the outflow of heated air is blocked and the temperature inside is increased. In addition, heat on the earth's surface is conducted to the ground, resulting in high geothermal temperatures.

On the contrary, when sunset begins, the outside temperature drops sharply, and the heat in the plastic house is forced out through the vinyl. However, the temperature drop due to heat conduction occurs more slowly than outside, and heat in the ground stored during the day is transferred to the inside of the plastic house, and is usually maintained at about 2-3 ° C higher than the outside temperature. Covering the insulation cover here improves the insulation of about 2-6 ℃.

The vinyl house using the building material having a double air layer according to the present invention keeps the temperature high at about 10-14 ° C. by blocking the heat that escapes outside at night with a low thermal conductivity air layer.

The vinyl house using the building material having the double air layer according to the present invention minimizes the temperature change by keeping the maximum temperature of the building low and the minimum temperature high, thereby preventing high and low temperature obstacles, and semi-permanent installation is possible. It can save cost and labor, and can greatly reduce heating cost by effectively improving thermal efficiency in natural and artificial heated vinyl houses.

Claims (1)

A zigzag-folded film 12 is inserted between the two films 10 and 11, and the contact surface thereof is thermally bonded to allow air to pass through, and the two films 10 and 11 are zigzag-shaped. Building material having a double air layer, characterized in that between the folded film 12, the tubular space (13) that can be filled with gas is formed in double.