KR100645824B1 - The sound-absorbing panel - Google Patents

The sound-absorbing panel Download PDF

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Publication number
KR100645824B1
KR100645824B1 KR1020050051163A KR20050051163A KR100645824B1 KR 100645824 B1 KR100645824 B1 KR 100645824B1 KR 1020050051163 A KR1020050051163 A KR 1020050051163A KR 20050051163 A KR20050051163 A KR 20050051163A KR 100645824 B1 KR100645824 B1 KR 100645824B1
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South Korea
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sound
sound absorbing
absorbing
absorbing panel
hole
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KR1020050051163A
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Korean (ko)
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김영옥
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김영옥
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Priority to KR1020050051163A priority Critical patent/KR100645824B1/en
Priority to CNA2006800200783A priority patent/CN101194077A/en
Priority to US11/917,703 priority patent/US20090038883A1/en
Priority to JP2008516741A priority patent/JP2008544119A/en
Priority to PCT/KR2006/002180 priority patent/WO2006135164A1/en
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Publication of KR100645824B1 publication Critical patent/KR100645824B1/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
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
    • E04F13/075—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements for insulation or surface protection, e.g. against noise or impact
    • 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
    • E04B2001/748—Honeycomb materials
    • 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
    • E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
    • 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
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face
    • 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
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8442—Tray type elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

A sound-absorbing panel is provided to increase the sound-absorbing performance and effectively absorbing the different direction sounds as the sound-absorbing holes are formed with taper and perpendicular parts. A sound-absorbing panel is composed of a body(1) whose lower surface is opened and lower rear end is extended to the outside with a predetermined length; and sound-absorbing holes(2) formed with a predetermined figure at the upper surface of the body and recessed as a taper shape having a gradually narrow shape toward the lower part. The sound-absorbing holes are formed with taper parts(21) whose upper side is tapered and perpendicular parts(22) extended to have the same section at the lower part. The upper surface of the body is formed with a sheet coating layer having a predetermined color and pattern.

Description

흡음판넬{The sound-absorbing panel}Sound-absorbing panel

도 1은 본 발명의 일 실시 예에 따른 사시도1 is a perspective view according to an embodiment of the present invention

도 2는 본 발명의 일 실시 예에 따른 부분단면도2 is a partial cross-sectional view according to an embodiment of the present invention

도 3은 본 발명의 일 실시 예에 따른 개념도3 is a conceptual diagram according to an embodiment of the present invention;

도 4는 종래 흡음판넬을 나타낸 개념도4 is a conceptual view showing a conventional sound absorbing panel

<도면 중 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>

1 : 몸체1: body

11 : 리브 12 : 시트코팅층11: rib 12: sheet coating layer

2 : 흡음홀2: sound absorption hole

21 : 테이퍼부 22 : 직각부21: tapered part 22: right angle part

3 : 몸체3: body

31 : 흡음홀31: sound absorption hole

본 발명은 흡음판넬에 관한 것으로서, 좀더 상세하게 설명하면 표면에 형성된 굴곡과 흡음홀에 의하여 소리를 반사 및 흡수 상쇄하여 소멸시키는 흡음판넬의 구조를 개선하여 흡음효과를 높이도록 한 흡음판넬에 관한 것이다.The present invention relates to a sound absorbing panel, and more particularly, to a sound absorbing panel which improves a sound absorbing effect by improving a structure of a sound absorbing panel that reflects and absorbs and cancels out sound by bending and sound absorbing holes formed on a surface thereof. .

흡음은 음파가 재료면에 도달하였을 때 반사 등에 의하여 재료의 진동에너지 또는 열에너지로 변하여 음이 소멸되는 것을 지칭한다.Absorption refers to the disappearance of sound when the sound wave reaches the material surface by changing into vibration energy or heat energy of the material by reflection or the like.

이러한 흡음은 예전에는 공연장, 극장, 방송실 등에 그 사용 범위가 넣지 않았으나 최근에는 산업적인 용도 및 각종 문화생활의 용도로의 발전과 더불어 일반 가정에서도 흡음재료에 대한 관심이 날로 증가하고 있다.In the past, such sound absorption has not been used in performance halls, theaters, broadcasting rooms, etc., but recently, with the development of industrial use and various cultural life, interest in sound absorbing materials is increasing in general households.

이러한 흡음재료로는 다공성의 재료 즉 유리섬유나 석면을 이용한 것과 각종 발포성수지 등으로 이루어져 음이 들어가면 기공 내의 공기입자의 점성 또는 기공면과의 마찰에 의하여 열에너지로 변하도록 하는 것과;Such sound-absorbing materials are made of porous materials, that is, glass fiber or asbestos, and various foaming resins, and when the sound enters, the sound-absorbing material is converted into thermal energy by viscosity of the air particles in the pores or friction with the pore surfaces;

얇은 판에 음이 입사되면 판진동에 의하여 흡수되도록 하는 판진동흡음재 및 일정 공동으로 공기가 들어가 공기의 전/후 진동에 의하여 흡수되도록 하는 공명형 흡음재로 크게 나눌 수 있다.When sound is incident on a thin plate, it can be divided into a plate vibration absorber to be absorbed by plate vibration and a resonance type sound absorber to allow air to be absorbed by the vibration of air before and after entering a predetermined cavity.

이때 다공성의 재료로 이루어진 흡음재의 경우 낮은 주파 영역을 가진 저음의 경우 흡음효율이 무척 떨어지나 중음 및 고음의 흡음률은 무척 뛰어나며, 공명형 흡음재의 경우 저음의 흡음률이 매우 우수하다.In the case of the sound absorbing material made of porous material, the sound absorption efficiency is very low in the case of low sound having a low frequency range, but the sound absorption rate of the middle and high sound is very good, and in the case of the resonance type sound absorbing material, the sound absorption of the low sound is very excellent.

이에 특허 출원 제 10 - 2004 -0064217호 "방음패널 및 그를 위한 방음판"에서는 표면에 다수의 일정형상의 구멍이 관통되도록 하여 공명형 및 다공형재료의 특성을 이용한 흡음재료를 제시하였다.Accordingly, Patent Application No. 10-2004-0064217 "Soundproof panel and soundproof plate therefor" has proposed a sound absorbing material using the characteristics of resonance and porous materials by allowing a plurality of holes of a predetermined shape to pass through the surface.

도 4는 종래 흡음판넬을 나타낸 개념도로서, 몸체(3)에 형성된 흡음홀(31)에 의하여 음파(4)가 입사하게 되면 내부에서 반복되는 난반사와 몸체의 공명으로 음 파가 흡수하게 되는 것이다.4 is a conceptual view showing a conventional sound absorbing panel, and when the sound wave 4 is incident by the sound absorbing hole 31 formed in the body 3, the sound wave is absorbed by resonant reflections and resonance of the body.

하지만 이러한 흡음재료는 몸체의 상면을 통하여 반사되는 음파의 양이 상당히 많이 차지할 뿐만 아니라 난반사를 거쳐 다시 외부로 발출되는 음파의 양도 상당부분차지하고 있어 효율이 떨어지는 문제점을 가지고 있다.However, the sound absorbing material has a problem that the efficiency of the sound absorbing material not only occupies a considerable amount of the sound wave reflected through the upper surface of the body but also occupies a substantial part of the sound wave emitted through the diffuse reflection to the outside.

또한 이러한 구성은 다공질인 재료의 표면에 흡음홀(31)을 형성하게 되는 것으로 판넬의 표면이 매우 거칠게 되며 다공의 입자 사이에 공기 중의 많은 분진이 침전되게되면 그 효율이 떨어지게 되며 또 이에 의한 실내의 2차 오염을 가져오는 문제점을 가져오고 있다.In addition, this configuration is to form a sound-absorbing hole 31 in the surface of the porous material, the surface of the panel is very rough, and when a lot of dust in the air is precipitated between the particles of the porous, the efficiency is reduced and thereby It brings about the problem of bringing about secondary pollution.

또한 일반적으로 저음에서 고음의 순차적인 순서로 음이 상쇄하게 하는 것이 일반적이므로 상기 예의 경우에는 중음소재로 주로 쓰이는 유리섬유나 석면으로 된 판넬에 흡음홀(31)을 형성함이 가장 효과적일 것이나 이러한 재료는 인체에 치명적으로 유해한 물질로 사실상 사용이 불가능하다.Also, in general, the sound is canceled in a sequential order from low to high, so in the case of the above example, it is most effective to form a sound absorbing hole 31 in a panel made of glass fiber or asbestos, which is mainly used as a medium material. The material is deadly harmful to the human body and practically impossible to use.

따라서 일반 고음을 흡음하는데 사용하는 발포성수지 또는 부직포 등을 사용하여 흡음홀(31)을 형성하게 되며 이에 따라 넓은 영역의 음파를 균일하게 흡음하지 못하는 문제점을 가지고 있다.Therefore, the sound absorbing hole 31 is formed by using the foamed resin or nonwoven fabric used to absorb the general high sound, and thus has a problem in that the sound waves in a wide area cannot be uniformly absorbed.

본 발명은 상기와 같은 문제점을 해결하기 위하여 개발된 것으로서, 그 목적은 보다 뛰어난 흡음능력을 가지는 흡음판넬을 제공하는데 있다.The present invention was developed to solve the above problems, and an object thereof is to provide a sound absorbing panel having a superior sound absorbing ability.

또한 흡음판넬의 재료를 인체에 유해한 유리섬유나 석면을 사용하지 않는 환경친화적인 흡음판넬을 제공하는데 있다.In addition, the material of the sound absorbing panel to provide an environmentally sound-absorbing panel that does not use glass fibers or asbestos harmful to the human body.

여러 방향에서의 음파에도 효과적으로 흡수 흡음하는 흡음판넬을 제공하는데 있다.The present invention provides a sound absorbing panel that absorbs and absorbs sound waves effectively in various directions.

상기와 같은 목적을 달성하기 위하여 본 발명은 저면이 개방되고 하부 끝단은 외측으로 소정길이 연장되는 리브가 형성되는 몸체와, 상기 몸체의 상면에 일정 도형을 이루고 하부로 갈수록 폭이 좁아지는 테이퍼의 형식으로 함몰되어 그 끝단에는 관통된 흡음홀을 형성함을 특징으로 하는 흡음판넬에 관한 것이다.In order to achieve the above object, the present invention has a body in which a bottom is opened and a lower end is formed with a rib extending a predetermined length outward, and in the form of a taper that forms a predetermined shape on the upper surface of the body and becomes narrower toward the bottom. It relates to a sound absorbing panel, which is recessed to form a penetrating sound absorbing hole at its end.

이에 본 발명의 구성을 첨부된 도면에 의하여 당업자가 용이하게 이해하고 재현 할 수 있도록 상세하게 설명하면 다음과 같다.Accordingly, the configuration of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce.

도 1은 본 발명의 일 실시 예에 따른 사시도이며, 도 2는 본 발명의 일 실시 예에 따른 부분단면도로서, 저면이 개방되고 하부 끝단은 외측으로 소정길이 연장되는 리브(11)가 형성되는 몸체(1)와, 상기 몸체(1)의 상면에 일정 도형을 이루고 하부로 갈수록 폭이 좁아지는 테이퍼의 형식으로 함몰되어 그 끝단에는 관통된 흡음홀(2)을 형성하도록 하여 상기 흡음홀(2)을 통하여 진입한 음파는 내부에서 상쇄하도록 하였다.1 is a perspective view according to an embodiment of the present invention, Figure 2 is a partial cross-sectional view according to an embodiment of the present invention, the bottom surface is open and the lower end of the body is formed with a rib 11 extending a predetermined length to the outside (1) and the sound absorbing hole (2) to form a predetermined shape on the upper surface of the body (1) and to be recessed in the form of a taper that becomes narrower toward the bottom to form a penetrating sound absorbing hole (2) at the end thereof. Sound waves entered through the phase to be canceled inside.

이는 종래 단순한 홀과 비교하여 나팔관의 형식으로 생긴 흡음홀(2)에 의하여 더 많은 음파를 흡수하도록 하며 흡수된 음파는 저면에 인접하여 발포성수지로된 흡음보드 및 인접한 흡음홀(2)사이의 공간에서 진동 및 열에너지로 상쇄하여 소멸하게 된다.This absorbs more sound waves by the sound absorbing hole 2 formed in the form of a fallopian tube as compared with the conventional simple hole, and the absorbed sound waves are spaced between the sound absorbing board made of foam resin and the adjacent sound absorbing hole 2 adjacent to the bottom. Will be canceled out by vibration and heat energy.

또한 이러한 흡음판넬의 재료는 일반적으로 충격·열에 강한 내성을 보이고, 외관이 보기 좋아 자동차용 내외장재, 헬멧 등의 부품으로 사용되는 ABS수지에 자기 소화성을 부여해 불에 잘 타지 않도록 만든 난연 ABS 수지를 사용하였다.In addition, the material of the sound absorbing panel generally exhibits strong resistance to impact and heat, and its flame-retardant ABS resin is made by imparting self-extinguishing properties to ABS resins used as parts for automobile interior and exterior materials, helmets, etc. It was.

이러한 난연 ABS 수지는 인장강도와 굴곡강도가 뛰어나 얇은 두께로도 견고한 제품을 만들 수 있으므로 상기 흡음판넬의 재료로 적합하다고 할 수 있다.The flame-retardant ABS resin is excellent in tensile strength and flexural strength can be said to be suitable as a material of the sound absorbing panel because it can make a solid product even in a thin thickness.

이는 흡음홀(2)에 의한 흡음효과와 더불어 얇게 제작할 수 있어 진동에 의한 음의 흡수 효과가 뛰어나면서도 견고함을 유지할 수 있는 특성이 있다.This can be made thin with the sound-absorbing effect by the sound-absorbing hole (2) is excellent in the sound absorption effect of the vibration and has the characteristics that can maintain the robustness.

또한 본 발명에서는 상기 흡음홀(2)은 상부는 테이퍼진 테이퍼부(21)와 하부에는 동일 단면을 가지도록 연장되는 직각부(22)로 구성되도록 하여 반사되어서 나오는 음파를 최소한으로 하도록 하고 제조할 때 흡음홀이 막힌 상태로 성형한 후에 끝부분을 절단하여 용이하게 균일한 흡음홀(2)를 형성할 수 있는 장점 또한 가지고 있다.In addition, in the present invention, the sound absorbing hole 2 has a tapered tapered portion 21 at the upper portion and a right angle portion 22 extending to have the same cross section at the lower portion so as to minimize the reflected sound wave and to produce the same. When the sound-absorbing hole is formed in a closed state after cutting also has the advantage that can easily form a uniform sound absorbing hole (2).

또한 상기 흡음홀의 형상은 정사각형, 정팔각형, 정삼각형 등의 여러 가지 형상으로 가능하고 또 이의 혼합으로 이루어져도 무방하다.In addition, the shape of the sound-absorbing hole may be in various shapes such as square, regular octagon, and equilateral triangle, and may be made of a mixture thereof.

본 도면에서는 정육각형의 흡음홀(2)을 예시하였으며 이러한 정육각형의 경우 인접한 흡음홀(2)과의 사이를 최대한으로 줄이도록 할 수 있는 상태에서 음파의 반사면을 6개를 가지게 되므로 난반사에 따른 감쇄효율이 좋은 장점을 가지고 있다.In this figure, the hexagonal sound absorbing holes 2 are illustrated. In the case of the regular hexagons, the reflection surfaces of sound waves have six reflection surfaces in the state that can reduce the gap between adjacent sound absorbing holes 2 to the maximum. It has the advantage of good efficiency.

또한 사용자는 흡음판넬의 표면을 시트로 코팅한 시트코팅층(12)를 형성하여 색 및 광택을 조절하여 미려하게 하였으며 상황에 따라 각종 그림이나 도형의 형성도 가능하게 된다.In addition, the user formed the sheet coating layer 12 coated with a sheet of the sound absorbing panel to adjust the color and gloss and beautifully, and it is also possible to form various pictures or figures according to the situation.

도 3은 본 발명의 일 실시 예에 따른 개념도로서, 내부로 진입된 음파가 각종 방향에서 반사되는 모습을 나타내었다.3 is a conceptual diagram according to an embodiment of the present invention, in which sound waves entered therein are reflected in various directions.

즉 진입한 음파는 여러 반사 경로를 거쳐 흡음홀(2)의 사이에 형성되는 공간부에 난반사하면서 몸체(1)의 진동에너지 및 마찰 에너지 등으로 특히 저주파 영역의 저음이 상쇄되도록 하는 공명기의 역할을 하게 되는 것이다.That is, the entering sound wave diffuses and reflects in the space formed between the sound absorbing holes 2 through various reflection paths, and thus acts as a resonator for canceling the bass in the low frequency region, particularly by vibration energy and friction energy of the body 1. Will be done.

상술한 바와 같이 본 발명은 얇은 판의 형태로 제공되어 판진동 및 공명에 의한 흡음이 동시에 가능하도록 하여 보다 뛰어난 흡음능력을 가지는 효과가 있다.As described above, the present invention is provided in the form of a thin plate to enable sound absorption by plate vibration and resonance at the same time has an effect of having a superior sound absorption ability.

또한 흡음판넬의 재료를 인체에 유해한 유리섬유나 석면을 사용하지 않는 환경친화적인 효과가 있다.In addition, there is an environmentally friendly effect that does not use the glass fiber or asbestos harmful to the body of the sound absorbing panel.

테이퍼 형상의 흡음홀에 의하여 여러 방향에서의 음파도 효과적으로 흡수할 수 있는 효과가 있다.The tapered sound-absorbing hole can effectively absorb sound waves in various directions.

Claims (6)

저면이 개방되고 하부 끝단은 외측으로 소정길이 연장되는 리브(11)가 형성되는 몸체(1)와, 상기 몸체(1)의 상면에 일정 도형을 이루고 하부로 갈수록 폭이 좁아지는 테이퍼의 형식으로 함몰되어 그 끝단에는 관통된 흡음홀(2)을 형성함을 특징으로 하는 흡음판넬.The bottom surface is opened and the lower end is recessed in the form of a body 1 having a rib 11 extending a predetermined length outward, and a taper that forms a predetermined shape on the upper surface of the body 1 and becomes narrower toward the bottom. Sound absorbing panel, characterized in that the end is formed through the sound absorbing hole (2). 제 1항에 있어서, 상기 흡음홀(2)은 상부는 테이퍼진 테이퍼부(21)와 하부에는 동일 단면을 가지도록 연장되는 직각부(22)로 구성됨을 특징으로 하는 흡음판넬.The sound absorbing panel according to claim 1, wherein the sound absorbing hole (2) has a tapered tapered portion (21) and a right angle portion (22) extending to have the same cross section at the bottom. 제 1항 또는 제 2항에 있어서, 상기 흡음홀(2)을 포함한 몸체(1)의 상면은 일정 색과 문양을 가진 시트코팅층(12)이 형성됨을 특징으로 하는 흡음판넬.The sound absorbing panel according to claim 1 or 2, wherein the upper surface of the body (1) including the sound absorbing hole (2) is formed with a sheet coating layer (12) having a predetermined color and pattern. 제 1항 내지 제 3항 중 어느 한 항에 있어서, 상기 흡음홀(2)은 정육각단면을 가짐을 특징으로 하는 흡음판넬.The sound absorbing panel according to any one of claims 1 to 3, wherein the sound absorbing hole (2) has a regular hexagonal cross section. 제 1항 내지 제 3항 중 어느 한 항에 있어서, 상기 흡음홀(2)은 정사각단면을 가짐을 특징으로 하는 흡음판넬.The sound absorbing panel according to any one of claims 1 to 3, wherein the sound absorbing hole (2) has a square cross section. 제 1항 내지 제 3항 중 어느 한 항에 있어서, 상기 흡음홀(2)은 정팔각단면을 가짐을 특징으로 하는 흡음판넬.The sound absorbing panel according to any one of claims 1 to 3, wherein the sound absorbing hole (2) has a regular octagonal cross section.
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