KR20020013317A - Sound absorbent materials for fallen leaves - Google Patents

Sound absorbent materials for fallen leaves Download PDF

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Publication number
KR20020013317A
KR20020013317A KR1020000047018A KR20000047018A KR20020013317A KR 20020013317 A KR20020013317 A KR 20020013317A KR 1020000047018 A KR1020000047018 A KR 1020000047018A KR 20000047018 A KR20000047018 A KR 20000047018A KR 20020013317 A KR20020013317 A KR 20020013317A
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South Korea
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wall
fallen
fallen leaves
sound absorbing
leave material
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KR1020000047018A
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Korean (ko)
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최창하
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최창하
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Priority to KR1020000047018A priority Critical patent/KR20020013317A/en
Publication of KR20020013317A publication Critical patent/KR20020013317A/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/745—Vegetal products, e.g. plant stems, barks
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

PURPOSE: An acoustic material using fallen leaves is provided which is harmless to the human body, is less expensive, and displays excellent sound absorption effect on noises in the low frequency range compared with other acoustic materials. CONSTITUTION: The acoustic material using fallen leaves comprises a fallen leave material(50) which is laminated in the space between the inner wall(70) and the outer wall(80) so as to block noises transmitted from an outer wall(80) forming the outer part of a building to an inner wall(70) forming the inner part of the building, or from the inner wall(70) to the outer wall(80), wherein fallen leaves separated from trees are recycled as the fallen leave material(50), and the fallen leave material tied up in a bundle shape is inserted between the inner wall(70) and the outer wall(80) after tying up fallen leave material(50) in a certain sized bundle using a wire(60) so as to easily stack the fallen leave material(50), wherein fallen leaves generally thrown away are collected as the fallen leave material(50), the fallen leaves are dried to prevent from being decomposed and cut to a long and thin shape before using, wherein the fallen leave material(50) having a thickness of 25 mm and a density of 25 kg/m3 for the better sound absorption is stacked in a bundle shape by the wire(60) before being inserted into the space between the inner wall(70) and the outer wall(80).

Description

낙엽을 이용한 흡음재{Sound absorbent materials for fallen leaves}Sound absorbent materials for fallen leaves

본 발명은 흡음재에 관한 것으로서, 특히 낙엽을 재활용하여 소음흡수 기능을 하는 낙엽을 이용한 흡음재에 관한 것이다.The present invention relates to a sound absorbing material, and more particularly, to a sound absorbing material using fallen leaves that function to absorb noise by recycling fallen leaves.

일반적으로 흡음재는 재료 내부에 입사된 음파의 에너지를 감소시키는 방법을 많이 사용하며, 생산성과 경제성이 뛰어나고 흡음 특성이 우수해야 할 필요가 있다.In general, the sound absorbing material uses a lot of methods to reduce the energy of the sound wave incident inside the material, it is necessary to be excellent in productivity and economic efficiency and excellent sound absorption characteristics.

종래의 흡음재로는 유리섬유와 암면이 있으나 유리섬유의 경우 유리입자의 비산 등으로 인한 인체 유해성 여부로 환경적 제약을 받고 있으며, 암면의 경우에는 암을 유발시키는 물질이 포함되어 있어 작업자들이 작업을 기피하는 경향이 있다. 이에 최근에는 다공질 흡음재질의 발포수지재료와 섬유질 흡음재 등이 개발되고 있다.Conventional sound absorbing materials include glass fiber and rock wool, but glass fiber is subject to environmental constraints due to the harmfulness of the human body due to the scattering of glass particles, and rock wool contains substances that cause cancer. There is a tendency to evade. Recently, foamed resin materials and fibrous sound absorbers of porous sound absorbing materials have been developed.

그러나, 발포수지재료와 섬유질 흡음재의 경우 경제성과 흡음 효율면에서 유리섬유와 암면의 성능에 미치지 못하는 한계가 있다.However, in the case of the foamed resin material and the fibrous sound absorbing material, there is a limitation that the performance of the glass fiber and rock wool does not reach in terms of economic efficiency and sound absorption efficiency.

또한, 상기 흡음재는 그 폐기 처분시 환경오염 물질로 남게 되어 그 처리비용이 많이 들고, 환경을 오염시키는 문제점이 있다.In addition, the sound absorbing material is left as an environmental pollutant at the time of disposal, the processing cost is high, there is a problem of polluting the environment.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 인체에 무해하고, 비용이 적게 들며, 저주파수 영역의 소음에 대해 타 흡음재보다 월등하게 흡음 효과를 발휘할 수 있는 낙엽을 이용한 흡음재를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems of the prior art, it is harmless to the human body, low cost, and provides a sound absorbing material using fallen leaves that can exert a sound absorbing effect superior to other sound absorbing material against noise in the low frequency region. Its purpose is to.

도 1은 본 발명에 따른 낙엽을 이용한 흡음재의 사시도이다.1 is a perspective view of a sound absorbing material using fallen leaves according to the present invention.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

50: 낙엽재 60: 와이어50: deciduous material 60: wire

70: 내벽 80: 외벽70: inner wall 80: outer wall

상기한 과제를 해결하기 위한 본 발명에 의한 낙엽을 이용한 흡음재는 건축물의 외부를 이루는 외벽에서 건축물의 내부를 이루는 내벽으로 또는 상기 내벽에서 외벽으로 전달되는 소음을 차단할 수 있도록 상기 내벽과 외벽사이의 공간에 적층되는 낙엽재로 구성된 것을 특징으로 한다.Sound absorbing material using the fallen leaves according to the present invention for solving the above problems is the space between the inner wall and the outer wall to block the noise transmitted from the outer wall forming the outside of the building to the inner wall of the building or from the inner wall to the outer wall. Characterized in that it consists of deciduous material laminated on.

이하, 본 발명의 실시예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 낙엽을 이용한 흡음재의 사시도이다.1 is a perspective view of a sound absorbing material using fallen leaves according to the present invention.

본 발명에 의한 낙엽을 이용한 흡음재는 건축물의 외부를 이루는 외벽(80)에서 건축물의 내부를 이루는 내벽(70)으로 또는 상기 내벽(70)에서 외벽(80)으로 전달되는 소음을 차단할 수 있도록 상기 내벽(70)과 외벽(80)사이의 공간에 적층되는 낙엽재(50)로 구성된다.The sound absorbing material using the fallen leaves according to the present invention is the inner wall to block the noise transmitted from the outer wall (80) forming the outside of the building to the inner wall (70) forming the interior of the building or from the inner wall (70) to the outer wall (80). It consists of the deciduous material 50 laminated | stacked in the space between 70 and the outer wall 80. As shown in FIG.

상기 낙엽재(50)는 나무에서 분리된 낙엽(50)이 재활용되고, 그 적층이 용이하도록 와이어(60)를 이용해 일정크기의 다발 형태로 묶인 다음, 상기 내벽(70)과 외벽(80) 사이에 삽입된다.The deciduous material 50 is recycled, and the deciduous leaves 50 separated from the tree are recycled and bundled into a bundle of a predetermined size using a wire 60 to facilitate the stacking, and then between the inner wall 70 and the outer wall 80. Is inserted into

즉, 상기 낙엽재(50)는 주위에서 흔히 버려지는 것을 수집하고, 부폐되는 것을 방지하기 위해 건조한 다음, 가늘고 길게 절개하여 사용한다.That is, the deciduous material 50 is used to collect what is often discarded in the surroundings, and to dry and then cut and elongate to prevent the decay.

상기 낙엽재(50)는 소음을 잘 흡수할 수 있도록 두께가 25㎜이고, 밀도가 25㎏/㎥로 상기 와이어(60)에 의해 다발형태로 적층되어 상기 내벽(70)과 외벽(80) 사이에 삽입된다.The deciduous material 50 has a thickness of 25 mm and a density of 25 kg / m 3 so that the deciduous material 50 can be absorbed well, and is stacked in a bundle form by the wire 60 to between the inner wall 70 and the outer wall 80. Is inserted into

상기와 같이 낙엽재(50)를 와이어(60)에 의해 다발 형태로 고정할 수도 있으나, 전면과 후면이 개방된 케이스를 따로 구비하여 상기 케이스 내에 낙엽재(50)를 적층하고, 상기 케이스를 상기 내벽(70)과 외벽(80) 사이에 놓이도록 하는 것도 가능할 것이다.As described above, the deciduous material 50 may be fixed in the form of a bundle by the wire 60, but the front and rear surfaces are separately provided to stack the deciduous material 50 in the case, and the case is It may be possible to lie between the inner wall 70 and the outer wall 80.

상기와 같이 구성된 본 발명의 흡음재는 상기 낙엽재(50) 사이의 공기층 사이에 음파가 이르게 되면 미세한 공기 속의 공기 입자들의 운동에 대해 마찰 저항이 작용하고, 낙엽재(50) 자체도 진동하기 때문에 음의 일부가 열에너지로 변환되어 음에너지가 흡음재에 흡수되게 된다.In the sound absorbing material of the present invention configured as described above, when the sound waves between the air layers between the deciduous material 50, the frictional resistance to the movement of the air particles in the fine air, the deciduous material 50 itself vibrates so Part of is converted into thermal energy so that negative energy is absorbed by the sound absorbing material.

표 1은 본 발명에 따른 낙엽을 이용한 흡음재를 종래의 흡음재와 비교한 흡음계수 비교표이다.Table 1 is a sound absorption coefficient comparison table comparing the sound absorbing material using the fallen leaves according to the present invention with the conventional sound absorbing material.

시편두께(㎜)Specimen thickness (mm) 밀도(㎏/㎥)Density (㎏ / ㎥) 중심주파수에서 흡음계수Sound absorption coefficient at center frequency 250Hz250 Hz 500Hz500 Hz 1000Hz1000 Hz 2000Hz2000 Hz 4000Hz4000 Hz 낙엽Deciduous 2525 2525 0.470.47 0.620.62 0.710.71 0.860.86 0.890.89 유리섬유(기존제품)Glass fiber (existing product) 2525 16-2416-24 0.120.12 0.300.30 0.650.65 0.80.8 0.850.85 유리섬유(기존제품)Glass fiber (existing product) 2525 32-4832-48 0.30.3 0.650.65 0.800.80 0.850.85 0.850.85 암면(기존제품)Rockwool (existing product) 2525 40-14040-140 0.350.35 0.750.75 0.850.85 0.850.85 0.850.85 우레탄폼(기존제품)Urethane Foam (Existing Product) 2525 30-5030-50 0.20.2 0.40.4 0.550.55 0.70.7 0.70.7

상기 표 1로부터 본 발명의 낙엽을 이용한 흡음재는 25㎜의 두께로 형성된 타 흡음재에 비해 250㎐ ~ 4000㎐의 주파수 영역의 소음에 대해 고른 흡음 효과를 나타내고, 특히 250㎐ 대의 저주파수 영역 소음에 대해서는 월등한 흡음 효과를 나타낸다.In Table 1, the sound absorbing material using the fallen leaves of the present invention exhibits an even sound absorbing effect on the noise in the frequency range of 250 kHz to 4000 kHz compared to other sound absorbing materials formed with a thickness of 25 mm. It has a sound absorption effect.

즉, 두께가 25㎜이고, 밀도가 16~24㎏/㎥로 형성된 기존의 유리섬유가 250㎐의 소음에 대해 그 흡음계수가 0.12이고, 두께가 25㎜이고, 밀도가 32~48㎏/㎥로 형성된 기존의 유리섬유가 250㎐의 소음에 대해 그 흡음계수가 0.3이며, 두께가 25㎜이고, 밀도가 40~140㎏/㎥로 형성된 기존의 암면이 250㎐의 소음에 대해 그 흡음계수가 0.35이고, 두께가 25㎜이고, 밀도가 30~50㎏/㎥로 형성된 기존의 우레탄 폼이 250㎐의 소음에 대해 그 흡음계수가 0.2인데 반해, 두께가 25㎜이고, 밀도가 25㎏/㎥로 형성된 본 발명의 낙엽을 이용한 흡음재는 흡음계수가 0.47로써, 타 흡음재에 비해 월등히 우수한 흡음 효과를 나타낸다.That is, the existing glass fiber having a thickness of 25 mm and a density of 16 to 24 kg / m 3 has a sound absorption coefficient of 0.12, a thickness of 25 mm and a density of 32 to 48 kg / m 3 for a noise of 250 Hz. The sound absorption coefficient of the conventional glass fiber formed by the sound absorption coefficient is 250, and the sound absorption coefficient is 0.3, the thickness is 25mm, and the existing rock wool formed with the density of 40 ~ 140㎏ / ㎥ is 250㎐. The conventional urethane foam formed with 0.35, 25 mm thick and 30-50 kg / m3 density has a sound absorption coefficient of 0.2 for 250 mV, while the thickness is 25 mm and the density is 25 kg / m3. The sound absorbing material using the fallen leaves of the present invention formed by the sound absorption coefficient of 0.47, it shows an excellent sound absorption effect compared to other sound absorbing materials.

또한, 두께가 25㎜이고, 밀도가 16~24㎏/㎥로 형성된 기존의 유리섬유가 4000㎐의 소음에 대해 그 흡음계수가 0.85이고, 두께가 25㎜이고, 밀도가 32~48㎏/㎥로 형성된 기존의 유리섬유가 4000㎐의 소음에 대해 그 흡음계수가 0.85이며, 두께가 25㎜이고, 밀도가 40~140㎏/㎥로 형성된 기존의 암면이 4000㎐의 소음에 대해 그 흡음계수가 0.85이고, 두께가 25㎜이고, 밀도가 30~50㎏/㎥로 형성된 기존의 우레탄 폼이 4000㎐의 소음에 대해 그 흡음계수가 0.7인데 반해, 두께가 25㎜이고, 밀도가 25㎏/㎥로 형성된 본 발명의 낙엽을 이용한 흡음재는 흡음계수가 0.89로써, 타 흡음재에 비해 우수한 흡음 효과를 나타낸다.In addition, the existing glass fiber having a thickness of 25 mm and a density of 16 to 24 kg / m 3 has a sound absorption coefficient of 0.85, a thickness of 25 mm and a density of 32 to 48 kg / m 3 for a noise of 4000 Hz. The sound absorption coefficient of the existing glass fiber formed by the sound absorption coefficient is 0.85 for 4000㎐ noise, the thickness is 25mm, and the existing rock wool formed with the density of 40 ~ 140㎏ / ㎥ has the sound absorption coefficient for the noise of 4000㎐. The urethane foam formed 0.85, thickness 25mm and density 30-50kg / m3 has a sound absorption coefficient of 0.7 for the noise of 4000㎐, while the thickness is 25mm and the density is 25kg / m3. The sound absorbing material using the fallen leaves of the present invention formed by the sound absorption coefficient is 0.89, showing an excellent sound absorption effect compared to other sound absorbing materials.

상기의 낙엽을 이용한 흡음재는 상기 낙엽재(50)가 적층되는 밀도에 따라 흡음계수가 차이가 있으므로, 상기 흡음재가 설치되는 장소의 여건에 따라 상기 낙엽재(50)의 밀도를 달리하여 사용할 수 있다.The sound absorbing material using the fallen leaves may have a different sound absorption coefficient depending on the density at which the deciduous material 50 is stacked, so that the density of the deciduous material 50 may be used differently depending on the conditions where the sound absorbing material is installed. .

특히, 표 1에 나타난 것처럼 저주파수 영역의 소음에 대해 월등한 흡음 효과를 나타내므로, 일반적인 흡음재 이외에도 건물의 상하층간의 구조물 진동소음을 감소할 수 있은 흡음재로써 사용이 가능할 것이다.In particular, as shown in Table 1 because it exhibits a superior sound absorption effect in the low-frequency region, it can be used as a sound absorbing material that can reduce the structural vibration noise between the upper and lower floors of the building in addition to the general sound absorbing material.

상기와 같이 구성되는 본 발명의 낙엽을 이용한 흡음재는 주변에서 흔히 볼 수 있는 낙엽를 이용함으로써 그 생산비용이 절감되고, 인체에 무해한 효과가 있다.Sound absorbing material using the deciduous leaves of the present invention configured as described above by using the deciduous leaves commonly seen in the production cost is reduced, there is an effect harmless to the human body.

또한, 상기 낙엽을 이용한 흡음재는 타 흡음재와 비교하여 전 주파수 영역의 소음에 대해 고른 흡음 효과가 있으며, 특히 저주파수 영역의 소음에 대해 타 흡음재에 비해 월등한 흡음 효과가 있다.In addition, the sound absorbing material using the fallen leaves has an even sound absorption effect for the noise of the entire frequency range compared to the other sound absorbing material, in particular, has a superior sound absorption effect than the other sound absorbing material for the noise in the low frequency region.

Claims (3)

건축물의 외부를 이루는 외벽에서 건축물의 내부를 이루는 내벽으로 또는 상기 내벽에서 외벽으로 전달되는 소음을 차단할 수 있도록 상기 내벽과 외벽사이의 공간에 적층되는 낙엽재로 구성된 것을 특징으로 하는 낙엽을 이용한 흡음재.Sound absorbing material using fallen leaves, characterized in that composed of deciduous material laminated in the space between the inner wall and the outer wall to block the noise transmitted from the inner wall to the inner wall of the building or the inner wall to the outer wall of the building. 제 1 항에 있어서,The method of claim 1, 상기 낙엽재는 나무에서 분리된 낙엽을 재활용하고, 그 적층이 용이하도록 일정크기의 다발형태로 형성되어짐을 특징으로 하는 낙엽을 이용한 흡음재.The deciduous material is a sound-absorbing material using a deciduous leaf, characterized in that the leaf is recycled separated from the tree, it is formed in a bundle of a certain size so that the lamination is easy. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 낙엽재는 흡음 효과가 높도록 가늘고 길게 절개되고, 밀도 25㎏/㎥으로 적층되어짐을 특징으로 하는 낙엽을 이용한 흡음재.The deciduous material is thin and long incision so as to have a high sound absorbing effect, and the sound absorbing material using the fallen leaves, characterized in that the laminated with a density of 25㎏ / ㎥.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100768918B1 (en) * 2006-12-12 2007-10-19 윤인학 Construction structure for insulating and heat generation using waste wood

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Publication number Priority date Publication date Assignee Title
US4451322A (en) * 1982-04-23 1984-05-29 Richard A. Moerman Apparatus for forming structural sheets from fibrous biological waste
JPH0288011A (en) * 1988-09-24 1990-03-28 Takeuchi Mokuzai Kogyo Kk Pillow filled with green leaves of tree
KR940002445A (en) * 1992-07-10 1994-02-17 김경길 Prefabricated insulation, sound insulation panels and their fixtures for building interior materials
JPH07275285A (en) * 1994-04-14 1995-10-24 Takeshi Horiuchi Bedding mat
KR19980025460A (en) * 1996-10-01 1998-07-15 조옥현 Interior materials for buildings
KR20000032001A (en) * 1998-11-12 2000-06-05 강경석 Method for manufacturing loess panel
KR100310097B1 (en) * 1999-09-02 2001-10-17 양승용 Building Panel Forming Method Using Oyster Shell and Grain Shell

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451322A (en) * 1982-04-23 1984-05-29 Richard A. Moerman Apparatus for forming structural sheets from fibrous biological waste
JPH0288011A (en) * 1988-09-24 1990-03-28 Takeuchi Mokuzai Kogyo Kk Pillow filled with green leaves of tree
KR940002445A (en) * 1992-07-10 1994-02-17 김경길 Prefabricated insulation, sound insulation panels and their fixtures for building interior materials
JPH07275285A (en) * 1994-04-14 1995-10-24 Takeshi Horiuchi Bedding mat
KR19980025460A (en) * 1996-10-01 1998-07-15 조옥현 Interior materials for buildings
KR20000032001A (en) * 1998-11-12 2000-06-05 강경석 Method for manufacturing loess panel
KR100310097B1 (en) * 1999-09-02 2001-10-17 양승용 Building Panel Forming Method Using Oyster Shell and Grain Shell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100768918B1 (en) * 2006-12-12 2007-10-19 윤인학 Construction structure for insulating and heat generation using waste wood

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