KR101351755B1 - Apparatus for damping vibration between stairs using dynamic elasticity and method thereof - Google Patents

Abstract

The present invention relates to a floor noise reducing apparatus using dynamic elasticity and a floor noise reducing method using the same, wherein the floor noise reducing apparatus comprises: a frame installed on the floor of a building and forming a border around an opening; a damping pad attached to the lower surface of the frame so as to separate the frame from the floor and made of a damping material; an dynamic elasticity member fixed on the frame so as to be positioned at the upper side of the opening and having dynamic elasticity; a damping intermediate material installed on the dynamic elasticity member, installed on the dynamic elasticity member with being separated from the border of the frame, and having a damping layer; and a finishing material installed on the damping intermediate material and having a space in which concrete is to be placed. According to the present invention, the floor noise reducing apparatus using dynamic elasticity and the floor noise reducing method using the same absorb, and horizontally disperse and attenuate solid impact waves applied to the floor of the building such as an apartment house using the dynamic elasticity of a metal material so that solid impact noise is effectively reduced and airborne noise is effectively absorbed and attenuated, wherein the solid impact noise and the airborne noise are the causes of floor noise.

Description

Apparatus for damping vibration between stairs using dynamic elasticity and method

The present invention relates to a device for reducing noise between floors using copper elasticity and a method for reducing noise between floors using the same. More particularly, the present invention relates to a method of reducing noise between floors by absorbing a solid shock wave applied to a floor of a structure such as an apartment house. The present invention relates to an interlayer noise reduction device using dynamic elasticity and to a method of reducing interlayer noise using the same.

In general, vibrations and noises due to impact are generated at the bottom of the floors, and in order to shield and suppress vibrations or noises transmitted from the top to the bottom, a vibration prevention facility material is installed in the multilayer structure to prevent the floor vibrations.

Vibration generated on the floor of a building is transmitted as tremor or sound. In other words, vibration is a phenomenon caused by a wavelength band generated when an object is impacted, and it appears as tremor or sound. In all buildings, in order to solve such vibration and noise, a low density material having a low density or a gentle vibration or sound transmission wavelength band is used. Floor materials are laid or glued to reduce vibration.

On the other hand, the vibration and noise recommended for residential buildings, such as apartments are less than 50db in weight impact, 58db in light impact. In order to prevent or reduce vibration and noise, facility materials using various interlayer vibration damping materials and structural materials are known. Try to interrupt and disperse.

As a member for preventing the conventional interlayer vibration, the "interlayer vibration damper" of Korean Patent No. 10-0790468 has been disclosed, which is installed between the mortar layer fixing the heating pipe and the floor-based concrete slab, In order to absorb and shield the transmission of noise and noise sources to the floor-based concrete slab, the vibration of the guide hole is perforated in contact with the surface of the floor-based concrete slab to absorb and shield the vibrations and noises transmitted from the top. A hard board formed with a pad, a guide hole forming an upper structure of the anti-vibration pad and having a mortar flowed to form a column, centered with the guide hole of the anti-vibration pad at a predetermined interval, and formed on the anti-vibration pad and the hard board Inserted along the guide hole, the lower part contacts the surface of the floor foundation concrete slab In the interlayer vibration preventing plate consisting of a lug, and a support bracket for mounting and fixing the lug between the anti-vibration pad and the hard board, the upper side is impacted by forming a new single layer in close contact with the bottom of the anti-vibration pad Wood horizontal panel that absorbs and attenuates low-frequency vibration generated by receiving the vibration, and the wood to reduce the vibration by vertically receiving the low-frequency vibration generated by the upper impact by forming the edge of the anti-vibration pad and hard board including the wood horizontal panel It consists of a vertical border and a lug guide groove formed in the wooden horizontal panel so that the lug protrudes and is exposed on the surface of the wooden horizontal panel.

Such a conventional interlayer vibration preventing plate forms a new lightweight impact sound attenuation space in the interior of the interlayer vibration preventing plate and the heavy impact sound caused by the up and down vibration generated by the upper impact to reduce vibration.

However, such a conventional interlayer vibration damping plate is required to develop a device that effectively attenuates the inter-layer noise of the structure by further improving the damping of the shock wave applied perpendicularly to the building. It became.

In order to solve the conventional problems as described above, the present invention is to use the dynamic elasticity of the metal material, such as to absorb and absorb the solid shock wave applied to the floor of the building, such as apartments, to move in the horizontal direction to disperse and attenuate Therefore, the object of the present invention is to effectively reduce the solid impact sound.

In addition, it is an object of the present invention to effectively absorb and attenuate the air transmission sound that causes the interlayer noise together with the solid impact sound.

In order to achieve the above object, according to an aspect of the present invention, an interlayer noise reduction device comprising: a frame installed on the bottom surface of a building, and forming an edge around an opening; A buffer pad attached to a lower surface of the frame to space the frame from the bottom surface, the buffer pad being made of a material for cushioning; A dynamic elastic member fixed on the frame to be positioned above the opening and having dynamic elasticity; A buffer intermediate material installed on the dynamic elastic member and installed on the dynamic elastic member so as to deviate from an edge of the frame and having a layer for cushioning; And it is installed on the buffer intermediate material, there is provided an interlayer noise reduction device using dynamic elasticity, including a finishing material for providing a place for placing concrete on the upper surface.

The apparatus may further include a filling member installed in the frame to be positioned below the dynamic elastic member to reduce resonance and sound absorption of the dynamic elastic member.

The filling member is a foam member located on the bottom surface; And a polyester filter installed between the foam member and the dynamic elastic member.

It may further include a buffer frame made of a material for the buffer having a shape corresponding to the planar shape of the frame, having a thickness smaller than the buffer intermediate material is installed on the edge of the frame.

The dynamic elastic member may be made of a wire mesh edge is fixed to the upper surface of the frame.

The dynamic elastic member may be formed of a metal plate or a perforated plate of metal whose edge is fixed to the upper surface of the frame.

The dynamic elastic member may be formed of a plurality of steel wires, both ends of which are fixed to an upper surface of the frame to cross the opening.

The buffer intermediate material may be interposed between the buffer plate of the buffer material forming a layer for the buffer between the pair of support plates.

The buffer intermediate material may have an area of 40 to 80% of the opening area of the frame.

According to another aspect of the present invention, in the method for reducing noise between floors, a frame forming an edge around the opening is installed so as to be spaced apart from the floor surface of the building by a buffer pad attached to the lower surface of the frame. Fixing a dynamic elastic member having dynamic elasticity on the frame; Installing a buffer intermediate material having a layer for buffering on the dynamic elastic member, wherein the buffer intermediate material is installed to be out of an edge of the frame; And providing a place for placing concrete on the finishing material by installing a finishing material on the buffer intermediate material, thereby providing an interlayer noise reduction method using dynamic elasticity. Here, the dynamic elastic member is made of a wire mesh, the edge is fixed to the upper surface of the frame, or the edge is made of a metal plate or a perforated plate of metal fixed to the upper surface of the frame, or to the upper surface of the frame to cross the opening It may be composed of a plurality of steel wires fixed at both ends.

The method may further include installing a filling member in the frame to be positioned below the dynamic elastic member to reduce resonance and sound absorption of the dynamic elastic member.

As an edge member having a shape corresponding to the frame, the buffer frame made of a cushioning material may have a thickness smaller than that of the buffer intermediate material, and may be further provided on the edge of the frame.

According to the floor noise reduction device using dynamic elasticity and the floor noise reduction method using the same, according to the present invention, by using the dynamic elasticity of the metal material, the solid shock wave applied to the floor of a building such as an apartment house is moved in the horizontal direction. To disperse and attenuate, thereby effectively reducing the solid impact sound, and to effectively absorb and attenuate the air transmission sound that causes interlayer noise together with the solid impact sound.

1 is an exploded perspective view showing an interlayer noise reduction device using dynamic elasticity according to an embodiment of the present invention,
2 is a perspective view showing an interlayer noise reduction device using dynamic elasticity according to an embodiment of the present invention,
3 is a side cross-sectional view showing an interlayer noise reduction device using dynamic elasticity according to an embodiment of the present invention,
4 is a bottom perspective view illustrating a frame of an interlayer noise reduction device using dynamic elasticity according to an embodiment of the present invention;
5 is a perspective view showing another example of the dynamic elastic member of the interlayer noise reduction device using the dynamic elasticity according to an embodiment of the present invention,
6 is a perspective view showing another example of a dynamic elastic member of the interlayer noise reduction device using the dynamic elasticity according to an embodiment of the present invention,
7 is a perspective view showing another example of a dynamic elastic member of the interlayer noise reduction device using the dynamic elasticity according to an embodiment of the present invention.

Since the present invention can have various embodiments by various modifications, specific embodiments will be described in detail with reference to the drawings. It is to be understood that this particular embodiment is not intended to limit the invention but includes all modifications, equivalents, and alternatives falling within the spirit of the invention.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or corresponding elements, and redundant description thereof will be omitted do.

1 is an exploded perspective view showing an interlayer noise reduction device using dynamic elasticity according to an embodiment of the present invention, Figure 2 is a perspective view showing an interlayer noise reduction device using dynamic elasticity according to an embodiment of the present invention. 3 is a side sectional view showing an interlayer noise reduction device using dynamic elasticity according to an embodiment of the present invention.

As shown in Figures 1 to 3, the interlayer noise reduction device 100 using dynamic elasticity according to an embodiment of the present invention is a frame 110, a buffer pad 120, a dynamic elastic member 130, a buffer Intermediate 140 and finish 150 may be included.

The frame 110 is installed on the floor 1 of the building, for example, a concrete slab of the building, forms a border around the opening 111, and is formed of, for example, a rectangular border member, but is not limited thereto. It may have an edge member, it may be made of a plurality of metal material by welding, or in place of the welding can be connected to each other by the connection or bolting by a bracket.

The buffer pad 120 is attached to the lower surface of the frame 110 to space the frame 110 from the bottom surface 1, and may be made of a material for cushioning, for example, foam rubber, as shown in FIG. The frame 110 may be attached to a plurality of edges and edges of the bottom surface.

The dynamic elastic member 130 is fixed on the frame 110 to be positioned above the opening 111, has a material or structure having dynamic elasticity, for example, dynamic elasticity in the vertical direction, and is deformed downward with respect to the vertical impact. Induced, but the deformation is restored by the restoring force, as in the present embodiment, the edge may be made of a wire mesh fixed to the upper surface of the frame 110 using welding or bolts or brackets. Here, the wire mesh may have a mesh shape and may have a structure in which horizontal and vertical steel wires cross each other, and the horizontal and vertical steel wires may cross 90 degrees or obliquely.

Filling members 160 and 170 installed in the frame 110 may be provided to be positioned below the dynamic elastic member 130 to reduce resonance and sound absorption of the dynamic elastic member 130. Here, the filling members 160 and 170 may include a foam member 160 positioned on the bottom surface, and a polyester filter 170 installed between the foam member 160 and the dynamic elastic member 130. In addition, the foam member 160 may have a plate shape made of a material of EPP (foamed polypropylene) or EPS (foamed polystyrene), and when the dynamic elastic member 130 sags against vertical impact, To prevent contact. In addition, the polyester filter 170 absorbs noise and reduces resonance.

The buffer intermediate member 140 is installed on the dynamic elastic member 130, is installed on the dynamic elastic member 130 to deviate from the edge of the frame 110, has a layer for the buffer, for example, a pair of A buffer plate 142 of a buffer material forming a layer for buffering may be interposed between the support plates 141. Here, the support plate 141 may be made of wood, for example, the complete layer 142 may be made of a foam rubber and the like excellent in the buffer effect, the contact plate 141 by the contact with the elastic elastic member 130 and the like. In addition to preventing damage due to, and to distribute the impact through the support plate 141.

The buffer intermediate material 140 may have an area of 40 to 80% with respect to the area of the opening 111 of the frame 110, in order to improve the dynamic elastic properties of the dynamic elastic member 130. By adjusting the ratio of the elasticity of the dynamic elastic member 130 can be adjusted. On the other hand, when the buffer intermediate material 140 is less than 40% of the area of the opening 111, the shock attenuation is disadvantageous due to the concentration of the load on the dynamic elastic member 130, and when the buffer intermediate material 140 exceeds 80% of the area of the opening 111, the elastic elasticity Excessively restricting the dynamic elastic properties of the member 130.

The buffer frame 180 may be installed on the frame 110 so as to be positioned around the buffer intermediate material 140. The buffer frame 180 is formed of a material for buffering having a shape corresponding to the plane shape of the frame 110. It may be made, having a thickness smaller than the buffer intermediate material 140 may be installed on the edge of the frame 110, to reduce the resonance in the lower floor noise reduction device 100 close to the wall, soft material, For example, it may be made of foam rubber.

Finishing material 150 is installed on the buffer intermediate material 140, and provides a place for placing concrete on the upper surface, for example, may be made of a variety of materials to enable the casting of concrete, including wood. On the other hand, the finishing material 150 may be provided to protrude a metal hold (hold) on the upper surface in order to increase the adhesion to the concrete layer 230 formed by the pouring of concrete, and thus with the concrete layer 230 It is to prevent the cracks generated in the concrete layer 230 due to the integration.

As shown in FIG. 5, the dynamic elastic member 190 may be formed of a metal plate whose edge is fixed to a top surface of the frame 110 by a fixing member such as welding or bolts or brackets.

As shown in FIG. 6, the dynamic elastic member 210 may be formed of a metal perforated plate whose edge is fixed to a top surface of the frame 110 by a fixing member such as welding or bolts or brackets. Therefore, a plurality of holes 211 may be perforated on the upper surface.

As shown in FIG. 7, the dynamic elastic member 220 is formed of a plurality of steel wires, both ends of which are fixed to upper surfaces of the frame 110 by welding or fixing members such as bolts or brackets so as to cross the opening 111. Can be.

According to another embodiment of the present invention, a method for reducing interlayer noise using dynamic elasticity includes a bottom surface (1) of a building by a buffer pad (120) attached to a lower surface of a frame (110) forming an edge around an opening (111). Installed so as to be spaced apart from each other, so that the dynamic elastic member 130 having dynamic elasticity is fixed on the frame 110 so as to be positioned above the opening 111, and for buffering on the dynamic elastic member 130. Installing the buffer intermediate material 140 having a layer, the buffer intermediate material 140 is installed so as to deviate from the border of the frame 110, the finishing material 150 by installing the finishing material 150 on the buffer intermediate material 140 And providing a place for the concrete to be poured onto the bed. Here, the same parts as the interlayer noise reduction device 100 using dynamic elasticity according to the present invention will be omitted.

Before the frame 110 is installed, the filling members 160 and 170 may be installed in the frame 110 so as to be positioned below the dynamic elastic member 130 for reducing resonance and sound absorption of the dynamic elastic member 130. have. In addition, after the installation of the frame 110, the buffer frame 180 made of a cushioning material as a frame member having a shape corresponding to the frame 1100 has a thickness smaller than the buffer intermediate material 140 on the edge of the frame 110 You can perform the steps to get it installed.

Meanwhile, the dynamic elastic members 130, 190, 210, and 220 may be made of a wire mesh whose edges are fixed to the upper surface of the frame, or may be made of a metal plate or a perforated plate of metal whose edges are fixed to the upper surface of the frame, or may cross the opening 111. As described above, it may be made of a plurality of steel wires, both ends of which are fixed to the upper surface.

According to such an interlayer noise reduction device using dynamic elasticity and an interlayer noise reduction method using the same according to the present invention, when a solid impact sound is applied to the concrete layer 230, the shock wave is transferred to the buffer intermediate material 140 in the concrete layer 230. It is transmitted to the frame 110 via the dynamic elastic members (130, 190, 210, 220). At this time, the solid impact sound is absorbed and attenuated by the dynamic elastic members 130, 190, 210, and 220, and the secondary shock wave is absorbed after the dispersing movement in the horizontal direction of the dynamic elastic members 130, 190, 210, and 220 and the frame 110. In addition, the final shock wave is to be absorbed or attenuated by the buffer pad 120 and the filling member (160, 170) after moving in the lower direction, that is, the vertical direction.

As described above, according to the present invention, the solid shock wave applied to the floor of a building such as a multi-family house is absorbed by using dynamic elasticity such as a metal material so as to be dispersed and attenuated by moving in the horizontal direction. To reduce it.

In addition, it is an object of the present invention to effectively absorb and attenuate the air transfer sound causing the interlayer noise together with the solid impact sound.

Although the present invention has been described with reference to the accompanying drawings, various modifications may be made without departing from the scope of the present invention. Accordingly, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

1: Floor surface (concrete slab) 110: Frame
111 opening 120 buffer pad
130,190,210,220: dynamic elastic member 140: buffer intermediate material
141: support plate 142: buffer plate
150: finishing material 160,170: filling member
180: buffer frame 211: hole
230: concrete layer

Claims (14)

In the interlayer noise reduction device,
A frame 110 installed at the bottom surface 1 of the building and forming an edge around the opening 111;
A buffer pad (120) attached to a lower surface of the frame (110) to space the frame (110) from the bottom surface (1) and made of a material for buffering;
A dynamic elastic member 130 fixed on the frame 110 to be positioned above the opening 111 and having dynamic elasticity;
A buffer intermediate material (140) installed on the dynamic elastic member (130) and installed on the dynamic elastic member (130) to deviate from an edge of the frame (110) and having a layer for buffering; And
A finishing material 150 installed on the buffer intermediate material 140 and providing a place for placing concrete on an upper surface thereof;
Interlayer noise reduction device using dynamic elasticity, characterized in that it comprises a. The method of claim 1, further comprising a filling member (160, 170) installed in the frame 110 to be located below the dynamic elastic member 130 for the resonance reduction and sound absorption of the dynamic elastic member (130) An interlayer noise reduction device using dynamic elasticity characterized by the above-mentioned. The method of claim 2, wherein the filling member (160, 170),
Foam member 160 located on the bottom surface; And
Interlayer noise reduction device using a dynamic elasticity, characterized in that it comprises a polyester filter (170) installed between the foam member 160 and the dynamic elastic member (130). According to claim 1 or 2, having a shape corresponding to the planar shape of the frame 110, made of a material for the buffer, having a thickness smaller than the buffer intermediate material 140, the edge of the frame 110 Interlayer noise reduction device using dynamic elasticity, characterized in that it further comprises a buffer frame 180 is installed on. According to any one of claims 1 to 3, The dynamic elastic member 130,
Interlayer noise reduction device using dynamic elasticity, characterized in that the edge is made of a wire mesh fixed to the upper surface of the frame. The method of claim 1 or claim 2, wherein the elastic elastic members (190, 210),
An interlayer noise reduction device using dynamic elasticity, characterized in that the edge is made of a metal plate or a metal perforated plate fixed to the upper surface of the frame. The method of claim 1 or 2, wherein the dynamic elastic member 220,
Interlayer noise reduction device using dynamic elasticity, characterized in that consisting of a plurality of steel wires both ends are fixed to the upper surface of the frame 110 to cross the opening (111). The method of claim 1, wherein the buffer intermediate material 140,
Interlayer noise reduction device using dynamic elasticity, characterized in that the buffer plate 142 of the buffer material forming a layer for the buffer is interposed between the pair of support plates (141). The method according to claim 1 or 8, wherein the buffer intermediate material 140,
An interlayer noise reduction device using dynamic elasticity, characterized in that it has an area of 40 to 80% of the area of the opening (111) of the frame (110). In the interlayer noise reduction method,
The frame 110 forming an edge around the opening 111 is installed so as to be spaced apart from the bottom surface 1 of the building by a buffer pad 120 attached to the bottom thereof, and positioned above the opening 111. Fixing a dynamic elastic member (130) having dynamic elasticity on the frame (110);
Installing a buffer intermediate material (140) having a layer for buffering on the dynamic elastic member (130), wherein the buffer intermediate material (140) is installed to deviate from an edge of the frame (110); And
Providing a place for placing concrete on the finish material (150) by installing a finish material (150) on the buffer intermediate material (140);
Interlayer noise reduction method using dynamic elasticity, characterized in that it comprises a. The method of claim 10, further comprising: providing a filling member (160, 170) in the frame (110) so as to be positioned below the dynamic elastic member (130) for reducing resonance and sound absorption of the dynamic elastic member (130); And
Further comprising the step of allowing the buffer frame 180 made of a buffer material as a frame member having a shape corresponding to the frame 1100 has a thickness smaller than the buffer intermediate material 140 is installed on the edge of the frame 110 An interlayer noise reduction method using dynamic elasticity, characterized in that the. The method of claim 10 or 11, wherein the dynamic elastic member 130,
An interlayer noise reduction method using dynamic elasticity, characterized in that the edge is made of a wire mesh fixed to the upper surface of the frame. The method of claim 10 or 11, wherein the dynamic elastic members (190, 210),
An interlayer noise reduction method using dynamic elasticity, characterized in that the edge is made of a metal plate or a metal perforated plate fixed to the upper surface of the flame. The method of claim 10 or 11, wherein the dynamic elastic member 220,
The interlayer noise reduction method using dynamic elasticity, characterized in that consisting of a plurality of steel wires fixed at both ends to the upper surface of the frame (110) to cross the opening (111).

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