KR101206702B1 - Dry wall panel for absorbing sound - Google Patents

Abstract

The present invention relates to a sound absorbing and insulating dry wall, more specifically, the first board layer; A plurality of studs having one side end portion fixed to one surface of the first board layer, each having one or more holes into which fluid is introduced; A second board layer fixed to the other side end of each stud; And a hollow frame which is fixed to the stud and accommodates the fluid flowing through the hole, and the sound absorbing and insulating drywall according to the present invention can be variously applied to construction and industrial products, and to a wide frequency band. It has excellent sound absorption characteristics and can produce a beautiful appearance effect.

Sound Absorption, Sound Insulation, Drywall, Stud, Hollow Frame, Sound Insulation, Heat Insulation

Description

Dry wall panel for absorbing sound

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sound absorbing and insulating drywall, and more particularly, to a sound absorbing and insulating drywall which can be variously applied to architectural and industrial products, has excellent sound absorption characteristics for a wide frequency band, and can produce a beautiful appearance effect. will be.

Generally, non-bearing walls (unloaded walls) of various buildings are widely known as a wet method of stacking bricks and blocks to form a wall, and then plastering the surface with cement mortar.

However, as the density of houses is improved, residential apartments with ramen structures or flat plate structures, which have improved space utilization, have become commonplace, and as the increase of light-frame structure townhouses and detached houses has increased, drywall ( The construction of dry walls or masonry walls is increasing.

This dry method can be easily and quickly installed in the desired indoor space by the supporting structure such as the upper and lower runner, the prefabricated drywall with the insulation or sound insulation between the two boards, the removal is also easy, This has the advantage of being easy.

Attached FIG. 1 shows an example of a conventional drywall, and as shown in FIG. 1, a conventional drywall has an upper runner 3 having a bar shape on an indoor floor 1 and an indoor ceiling 2. And lower runners 4 are fixed using nails 5 or taka (not shown), respectively, and the studs 6 having three or four sides are fixed between the upper and lower runners 3 and 4. Install at least two at intervals.

And, between the studs 6 is provided with a built-in material (7), such as a heat insulating material or sound-absorbing material made of glass or rock wool, and on both sides of the studs (6) screwed board 8, such as gypsum board It is coming true.

However, these drywalls are lightweight and have an advantage in that they can be easily repositioned due to their detachable structure due to the assembling structure. However, due to the isotropic characteristics in the thickness direction, partial sound absorbing and insulating performance can be controlled, but the frequency band There was a problem that the implementation of star performance is impossible.

The present invention is to solve the above problems, the object of the present invention can be applied to a variety of architectural and industrial products, has a good sound absorption characteristics over a wide frequency band, sound absorption and sound can produce a beautiful appearance effect It is to provide drywall.

In order to achieve the above object of the present invention,

According to an aspect of the invention, the first board layer; A plurality of studs having one side end portion fixed to one surface of the first board layer, each having one or more holes into which fluid is introduced; A second board layer fixed to the other side end of each stud; And a hollow frame fixed to the stud and containing a fluid flowing through the hole.

As described above, the sound absorbing and insulating drywall according to the present invention can be variously applied to building and industrial products, has excellent sound absorption characteristics for a wide frequency band, and can produce a beautiful appearance effect.

Hereinafter, a sound absorbing and insulating dry wall according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The accompanying drawings show exemplary forms of the present invention, which are provided to explain the present invention in more detail, and the technical scope of the present invention is not limited thereto.

FIG. 2 is a perspective view of an essential part of a sound absorbing and insulating dry wall according to an exemplary embodiment of the present invention. FIG. 3 is a side view of the sound absorbing and insulating dry wall shown in FIG. 2, and FIG. 4 is taken along the line AA of FIG. 2. It is sectional drawing of a state, and FIG. 5 is a detailed sectional drawing of the C part of FIG.

Sound absorbing and insulating drywall 100 according to an embodiment of the present invention is a plurality of studs 110 and one side end is fixed to one surface of the first board layer 101, the first board layer 101 and the A second board layer 102 fixed to the other side end of each stud 110 is included.

Here, each of the board layers 101 and 102 may be formed by laminating or bonding one or more kinds selected from a group consisting of a plastic board, an inorganic board, a wood plywood, a wood powder crimping board, and a wood powder and a mixed board of inorganic materials. .

The stud 110 is divided into a vertical portion 113 and first and second horizontal portions 111 and 112 extending horizontally at both ends of the vertical portion 113, and each of the horizontal portions 111 and 112. ) Is fixed to one surface of the first and second board layers 101 and 102, respectively, and one or more holes 114 are formed in the vertical portion 113 along the longitudinal direction of the stud, and the stud 110 is It may be formed of wood, steel or plastic.

As such, a predetermined space portion B is formed between the two board layers 101 and 102 coupled through the plurality of studs 110 spaced at predetermined intervals.

Sound absorbing and insulating drywall 100 according to an embodiment of the present invention is fixed to each of the studs 110, the hollow frame that receives the fluid (air) flowing through the hole 114 formed in the stud 100 ( 120).

One end of the hollow frame 120 is fixed to the stud 110 and is disposed in the space between the above-described board layers 101 and 102 and the stud 110.

In addition, the hole 114 and the hollow frame 120 of the stud 110 may correspond to one-to-one, at this time, the fluid of each hollow frame 120 corresponding to each hole 114 of the stud 110 The accommodation spaces 122 may be different from each other.

As such, by forming the fluid receiving spaces 122 of the respective hollow frames 120 different from each other, the sound absorption rate for each frequency of the sound wave is changed, thereby improving the sound absorbing and insulating performance of various frequency bands.

In addition, the sound absorbing and insulating dry wall according to an embodiment of the present invention may further include a sound absorbing and insulating material and / or heat insulating material (not shown) disposed in the space (B) between the hollow frame and each board layer, The resin foams forming the sound insulation material are polyurethane foams, polyurea foams, polyvinyl chloride foams, polyflofilene foams, polyethylene foams, polystyrene footing foams, polyvinylacetate foams, melamine foams, phenolic foams Foams, acrylic foams, non-wovens, fibrous fabrics, glass wool, mineral wool and rock wool selected from the group consisting of laminated or bonded.

In addition, examples of the heat insulating material may be a laminated or suitable one or more selected from the group consisting of synthetic resin foam sheet, glass wool, rock wool, mineral wool and woven fabric.

In the sound absorbing and insulating drywall 100 having such a structure, sound waves passing through one of the board layers pass through holes formed in the studs and proceed to the fluid receiving space in the hollow frame.

That is, the sound absorbing and insulating drywall 100 according to an embodiment of the present invention arranges a resonator (hole-shaped stud and a hollow frame) having sound absorbing performance in the vertical direction of the traveling direction of the fluid (air), and passes through the resonator. The vibration of one air or sound wave continuously interrupts the progress of the air or sound wave passing through any one of the board layers, thereby implementing a sound absorption function.

On the other hand, the diameter of the hole 114 of the stud 110 constituting the sound absorbing and insulating dry wall 100 according to an embodiment of the present invention is 0.5 to 60 mm or less, the length of the neck is 1 to 300 mm, hollow frame In the cavity radius of 120mm or less, cavity depth of 30 ~ 1000 mm can be formed, preferably the diameter of the hole 0.5 ~ 5 mm, the length of the neck 10 ~ 100 mm depending on the target frequency The radius of the cavity is 30 to 100 mm and the cavity depth is 30 to 800 mm.

When the diameter of the hole 114 is 5 mm or less, the natural frequency of the system is lowered to increase the sound absorption performance of the low frequency band, and the sound waves are transmitted into the hollow frame 120 only through the hole 114, and the sound waves are transmitted to the hole 114. In the process of passing through), it is partially dissipated to four.

In addition, the sound wave reflected through the hole 114 is converted to the sound wave having the opposite phase at the surface of the stud 110 and returned, and the sound wave is canceled and interferes with the sound wave traveling toward the stud 110, the sound energy Is dissipated.

As described above, the sound wave is dissipated primarily in the form of thermal energy in the course of passing through the hole 114 of the stud 110, and the diffuse reflection of the sound wave proceeds in the fluid receiving space 122 of the hollow frame 120. Therefore, heat exchange and vibration exchange occur, and the secondary dissipation increases the sound absorption performance of the mid / low frequency band.

In order to induce the diffuse reflection of the sound waves in the hollow frame 120, the fluid receiving space 122 of the hollow frame 120 may be formed in a polygonal or circular cross-section, it is particularly preferably formed in a polygonal .

In addition, at least one discharge hole (not shown) may be formed at an end of the hollow frame 120 constituting the sound absorbing and insulating drywall 100 according to the exemplary embodiment.

By forming the discharge hole, it is possible to prevent the sound wave is reflected to the opening of the hollow frame 120, so that the sound wave can be radiated to the outside through the discharge hole to dissipate the sound wave in the form of thermal energy by air resistance.

As such, the sound absorbing and insulating drywall 100 according to the exemplary embodiment of the present invention may exhibit high sound absorbing performance with a small thickness by adjusting the depth, the diameter, the size of the hole, and the length of the neck of the hollow frame 120. Its small footprint enables high space utilization and excellent sound absorption performance over a wide frequency band.

Meanwhile, the sound absorbing and insulating drywall 100 according to an embodiment of the present invention may further include a functional layer 103 attached to the surface of any one of the board layers 101 and 102, and the functional layer as described above. The type of is not particularly limited and includes, for example, a general layer in this field such as a dimensionally stable layer, a waterproof layer, a heat insulating material layer, or a sound insulation layer.

In this case, the dimensionally stable layer may be formed by laminating or bonding one or more kinds selected from the group consisting of glass fibers, synthetic resin films and woven or nonwoven fabrics made of natural or synthetic fibers, wherein the waterproof layer is an impermeable synthetic resin film, The synthetic resin may be formed by laminating or bonding one or more kinds selected from the group consisting of impregnated or coated nonwoven fabrics.

The sound absorbing material layer may be formed by using an open cell and having a low density porous sound absorbing member, and may be, for example, one or more selected from the group consisting of glass fiber, polyester, polyesterylene, melamine, and urethane. Can be formed.

Such a porous sound absorbing material has a short wavelength, absorbs noise in a high frequency band easily dissipated, and dissipates sound energy into thermal energy by friction with air.

Preferred embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art having various ordinary knowledge of the present invention may make various modifications, changes, and additions within the spirit and scope of the present invention. And additions should be considered to be within the scope of the following claims.

1 is an exploded perspective view showing a conventional drywall.

Figure 2 is a perspective view of the separated portion showing the sound absorbing and insulating dry wall according to an embodiment of the present invention.

3 is a side view of the sound absorbing and insulating drywall shown in FIG. 2;

4 is a cross-sectional view taken along the line A-A of FIG. 2.

5 is a detailed cross-sectional view of the portion C of FIG.

Claims (9)

A first board layer; A plurality of studs having one side end portion fixed to one surface of the first board layer, each having one or more holes into which fluid is introduced; A second board layer fixed to the other side end of each stud; And Sound-absorbing sound insulating drywall comprising a hollow frame is fixed to the stud and the fluid flowing through the hole is accommodated. The method of claim 1, The stud is divided into a vertical portion and first and second horizontal portions extending horizontally at both ends of the vertical portion, First and second board layers are fixed to the horizontal portions, respectively, Sound absorbing and insulating dry wall, characterized in that the vertical portion is formed with a hole. The method of claim 1, The sound absorbing and insulating drywall, characterized in that the hole of the stud and the hollow frame correspond one to one. The method of claim 3, wherein Sound absorbing and insulating dry wall, characterized in that the fluid receiving space of each hollow frame corresponding to the plurality of holes of the stud are different from each other. The method of claim 1, Sound absorbing and insulating drywall, characterized in that the cross-section of the hollow frame is polygonal or circular. The method of claim 1, Sound absorbing and insulating dry wall further comprises a heat insulating material disposed in the space between the hollow frame and each board layer. The method of claim 1, Sound absorbing and insulating drywall further comprises a sound insulating material disposed in the space between the hollow frame and each board layer. The method of claim 1, Sound absorbing and insulating dry wall further comprises a functional layer attached to the surface of any one of the board layer. The method of claim 1, Sound absorbing and insulating dry wall, characterized in that the hollow frame is formed with a discharge hole.

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