KR20170095575A - Noise Absorbing Panel - Google Patents

Noise Absorbing Panel Download PDF

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KR20170095575A
KR20170095575A KR1020160017146A KR20160017146A KR20170095575A KR 20170095575 A KR20170095575 A KR 20170095575A KR 1020160017146 A KR1020160017146 A KR 1020160017146A KR 20160017146 A KR20160017146 A KR 20160017146A KR 20170095575 A KR20170095575 A KR 20170095575A
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South Korea
Prior art keywords
sound
absorbing
absorbing plate
plate
absorbing panel
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KR1020160017146A
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Korean (ko)
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전진용
장형석
임한솔
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한양대학교 산학협력단
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Priority to KR1020160017146A priority Critical patent/KR20170095575A/en
Publication of KR20170095575A publication Critical patent/KR20170095575A/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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • 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
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • 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
    • E04B2001/8438—Slot shaped holes
    • 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
    • E04B2001/8457—Solid slabs or blocks

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

Abstract

A sound absorption panel is disclosed. The sound absorption panel comprises: a first sound absorption plate where micro-holes are punched; a second sound absorption plate provided to have melamine foam and positioned on a back surface of the punched plate; and a finishing material disposed to be spaced from a back surface of the second sound absorption plate at a predetermined interval. An air layer is provided between the second sound absorption plate and the finishing material.

Description

흡음 패널{Noise Absorbing Panel}Noise Absorbing Panel [0002]

본 발명은 흡음 패널에 관한 것으로, 보다 상세하게는 다양한 주파수 대역의 음향을 흡음할 수 있는 흡음 패널에 관한 것이다.The present invention relates to a sound-absorbing panel, and more particularly, to a sound-absorbing panel capable of absorbing sound of various frequency bands.

최근 들어 생활 수준의 향상과 더불어 쾌적한 문화생활이 점차 요구되면서 건축 음향 설계의 중요성이 대두되고 있다.In recent years, the importance of architectural sound design has been increasing as the level of living has improved and the pleasant cultural life has become increasingly demanded.

따라서, 강당, 극장, 연주회장, 음악실 등 대중이 이용하는 공공의 장소에 있어서는 소리가 외부로 전달되는 것이나 외부의 소리가 유입되는 것을 차단하는 방음시설을 가지며, 음악이나 음향 등이 반사되어 발생하는 울림현상을 제거하기 위한 흡음 설비를 갖는 것을 볼 수 있다.Therefore, in public places such as auditoriums, theaters, concert halls, music rooms, etc., there is soundproofing which prevents sound from being transmitted to the outside or external sound from entering. In addition, It can be seen that it has a sound absorbing facility for eliminating the phenomenon.

또한, 상기와 같은 공공시설뿐만 아니라 아파트와 같은 주거용 공동 주택에 있어서도 집안에서 발생하는 소음이나 진동 등이 옆집이나 아래, 윗집으로 전달되는 것을 차단하며, 반대로 외부로부터 발생하는 소음이나 진동 등이 집안으로 유입되는 것을 차단하는 방음 설비를 하고 있다.In addition to the above-mentioned public facilities, it also prevents the noise or vibration generated in the house from being transmitted to the next house, the lower house, and the upper house even in a residential apartment house such as an apartment. On the other hand, And has a sound-proofing facility for blocking inflow.

이러한 흡음, 방음 설비 중 하나로 널리 사용되는 흡음 패널은 건물의 천정이나 벽면에 시공되어 실내에서 발생하는 소음이 반사되거나 흡수되어 소음을 줄일 수 있도록 하고 있다.The sound-absorbing panel, which is widely used as one of such sound-absorbing and sound-absorbing facilities, is installed on a ceiling or a wall surface of a building, so that noise generated in the room is reflected or absorbed to reduce noise.

대한민국 공개실용신안 제20-2011-0004627호에서는 다수개의 타공이 형성된 흡음패널 본체의 배면에 부직포나 유리섬유로 구성된 흡음소재를 부착한 흡음 패널이 개시된다.Korean Utility Model Publication No. 20-2011-0004627 discloses a sound-absorbing panel in which a sound-absorbing material composed of nonwoven fabric or glass fiber is attached to the back surface of a sound-absorbing panel main body having a plurality of perforations formed therein.

이러한 흡음패널은 주파수 대역별로 높은 흡음성능을 나타내지 못하고 특정 주파수에 국한되어 흡음 성능을 보인다. 때문에 강당, 극장, 연주회장, 음악실 등 다양한 주파수 대역의 음향이 발생하는 공간에서는 흡음 효과를 기대하기 어렵다.Such a sound-absorbing panel does not exhibit a high sound-absorbing performance for each frequency band, but exhibits a sound-absorbing performance limited to a specific frequency. Therefore, it is difficult to expect a sound absorption effect in a space where sound of various frequency bands such as auditorium, theater, concert hall, and music room is generated.

본 발명은 다양한 주파수 대역의 음향에 대해 고흡음성을 나타내는 흡음 패널을 제공한다.The present invention provides a sound-absorbing panel exhibiting high sound-absorbing properties for sounds of various frequency bands.

본 발명에 따른 흡음 패널은 미세 홀들이 타공된 제1흡음판; 멜라민폼으로 제공되며, 상기 타공판의 후면에 위치하는 제2흡음판; 및 상기 제2흡음판의 후면과 소정 간격을 두고 배치되는 마감재를 포함하며, 상기 제2흡음판과 상기 마감재 사이에는 공기층이 제공된다.The sound-absorbing panel according to the present invention comprises a first sound-absorbing plate on which fine holes are formed; A second sound absorbing plate provided as a melamine foam and positioned on a rear surface of the perforated plate; And a finish material disposed at a predetermined distance from a rear surface of the second sound absorbing plate, and an air layer is provided between the second sound absorbing plate and the finish material.

또한, 상기 미세 홀들 전체가 차지하는 면적은 상기 제1흡음판 전체 면적의 3 내지 30%일 수 있다.The total area of the fine holes may be 3 to 30% of the total area of the first sound absorbing plate.

또한, 상기 미세 홀들의 직경은 0.5~3mm일 수 있다.The diameter of the fine holes may be 0.5 to 3 mm.

또한, 상기 제2흡음판의 두께는 25~100mm일 수 있다.The thickness of the second sound-absorbing plate may be 25 to 100 mm.

또한, 상기 공기층은 상기 제1흡음판에 대응하는 면적을 가질 수 있다.In addition, the air layer may have an area corresponding to the first sound-absorbing plate.

본 발명에 의하면, 저주파 대역, 중저주파 대역, 고주파 대역의 음향을 효과적으로 흡음하므로, 콘서트 홀, 오페라 하우스, 뮤지컬 극장, 다목적 홀, 대강당, 강의실, 교회, 그리고 성당 등에서 사용이 가능하다.According to the present invention, it is possible to use in a concert hall, opera house, musical theater, multipurpose hall, auditorium, lecture room, church, and cathedral because sound of low frequency band, medium low frequency band and high frequency band is effectively absorbed.

도 1은 본 발명의 실시 예에 따른 흡음 패널을 나타내는 도면이다.
도 2는 도 1의 흡음 패널을 나타내는 평면도이다.
도 3은 도 1의 A-A'선에 따른 흡음 패널의 단면도이다.1 is a view showing a sound-absorbing panel according to an embodiment of the present invention.
2 is a plan view showing the sound-absorbing panel of Fig.
3 is a cross-sectional view of the sound-absorbing panel taken along the line A-A 'in Fig.

이하, 첨부된 도면들을 참조하여 본 발명의 바람직한 실시 예를 상세히 설명할 것이다. 그러나 본 발명의 기술적 사상은 여기서 설명되는 실시 예에 한정되지 않고 다른 형태로 구체화 될 수도 있다. 오히려, 여기서 소개되는 실시 예는 개시된 내용이 철저하고 완전해질 수 있도록 그리고 당업자에게 본 발명의 사상이 충분히 전달될 수 있도록 하기 위해 제공되는 것이다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the technical spirit of the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

본 명세서에서, 어떤 구성요소가 다른 구성요소 상에 있다고 언급되는 경우에 그것은 다른 구성요소 상에 직접 형성될 수 있거나 또는 그들 사이에 제 3의 구성요소가 개재될 수도 있다는 것을 의미한다. 또한, 도면들에 있어서, 막 및 영역들의 두께는 기술적 내용의 효과적인 설명을 위해 과장된 것이다. In this specification, when an element is referred to as being on another element, it may be directly formed on another element, or a third element may be interposed therebetween. Further, in the drawings, the thicknesses of the films and regions are exaggerated for an effective explanation of the technical content.

또한, 본 명세서의 다양한 실시 예 들에서 제1, 제2, 제3 등의 용어가 다양한 구성요소들을 기술하기 위해서 사용되었지만, 이들 구성요소들이 이 같은 용어들에 의해서 한정되어서는 안 된다. 이들 용어들은 단지 어느 구성요소를 다른 구성요소와 구별시키기 위해서 사용되었을 뿐이다. 따라서, 어느 한 실시 예에 제 1 구성요소로 언급된 것이 다른 실시 예에서는 제 2 구성요소로 언급될 수도 있다. 여기에 설명되고 예시되는 각 실시 예는 그것의 상보적인 실시 예도 포함한다. 또한, 본 명세서에서 '및/또는'은 전후에 나열한 구성요소들 중 적어도 하나를 포함하는 의미로 사용되었다.Also, while the terms first, second, third, etc. in the various embodiments of the present disclosure are used to describe various components, these components should not be limited by these terms. These terms have only been used to distinguish one component from another. Thus, what is referred to as a first component in any one embodiment may be referred to as a second component in another embodiment. Each embodiment described and exemplified herein also includes its complementary embodiment. Also, in this specification, 'and / or' are used to include at least one of the front and rear components.

명세서에서 단수의 표현은 문맥상 명백하게 다르게 뜻하지 않는 한 복수의 표현을 포함한다. 또한, "포함하다" 또는 "가지다" 등의 용어는 명세서상에 기재된 특징, 숫자, 단계, 구성요소 또는 이들을 조합한 것이 존재함을 지정하려는 것이지, 하나 또는 그 이상의 다른 특징이나 숫자, 단계, 구성요소 또는 이들을 조합한 것들의 존재 또는 부가 가능성을 배제하는 것으로 이해되어서는 안 된다. 또한, 본 명세서에서 "연결"은 복수의 구성 요소를 간접적으로 연결하는 것, 및 직접적으로 연결하는 것을 모두 포함하는 의미로 사용된다. The singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It is also to be understood that the terms such as " comprises "or" having "are intended to specify the presence of stated features, integers, Should not be understood to exclude the presence or addition of one or more other elements, elements, or combinations thereof. Also, in this specification, the term "connection " is used to include both indirectly connecting and directly connecting a plurality of components.

또한, 하기에서 본 발명을 설명함에 있어 관련된 공지 기능 또는 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명은 생략할 것이다.In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

도 1은 본 발명의 실시 예에 따른 흡음 패널을 나타내는 도면이고, 도 2는 도 1의 흡음 패널을 나타내는 평면도이고, 도 3은 도 1의 A-A'선에 따른 흡음 패널의 단면도이다.FIG. 1 is a view showing a sound-absorbing panel according to an embodiment of the present invention, FIG. 2 is a plan view showing the sound-absorbing panel of FIG. 1, and FIG. 3 is a sectional view of the sound-

도 1 내지 도 3을 참조하면, 흡음 패널(1)은 콘서트 홀, 오페라 하우스, 뮤지컬 극장, 다목적 홀, 대강당, 강의실, 교회, 성당 등에서 음악이나 음향이 반사되어 발생하는 울림 현상을 제거하기 위해 제공된다.1 to 3, the sound-absorbing panel 1 is provided for eliminating the sound caused by reflection of music or sound in a concert hall, an opera house, a musical theater, a multipurpose hall, an auditorium, a lecture room, a church, do.

흡음 패널(1)은 제1흡음판(10), 제2흡음판(20), 그리고 마감재(30)를 포함한다.The sound-absorbing panel 1 includes a first sound-absorbing panel 10, a second sound-absorbing panel 20, and a finishing material 30.

제1흡음판(10)은 소정 너비를 갖는 판으로, 목재, 플라스틱, 철판 등의 재질로 제공될 수 있다. 제1흡음판(10)은 상대적으로 얇은 두께를 갖는다. 실시 예에 의하면, 제1흡음판(10)은 0.7~3mm의 두께를 가질 수 있다. The first sound-absorbing plate 10 may have a predetermined width and may be made of a material such as wood, plastic, steel plate, or the like. The first sound absorbing plate 10 has a relatively thin thickness. According to the embodiment, the first sound absorbing plate 10 may have a thickness of 0.7 to 3 mm.

제1흡음판(10)에는 미세 홀(11)들이 타공된다. 실시 예에 의하면, 미세 홀(11)들은 0.5~3mm이하의 직경을 가진다. 실시 예에 의하면, 미세 홀(11)들의 직경 범위는 0.5~3mm일 수 있다.In the first sound absorbing plate 10, fine holes 11 are formed. According to the embodiment, the fine holes 11 have a diameter of 0.5 to 3 mm or less. According to the embodiment, the diameter range of the fine holes 11 may be 0.5 to 3 mm.

미세 홀(11)들은 제1흡음판(10)의 전 영역에 균일한 간격으로 형성되며, 제1흡음판(10) 내에서 미세 홀(11)들 전체가 차지하는 면적은 제1흡음판(10) 전체 면적의 소정 비율을 갖는다. 실시 예에 의하면, 제1흡음판(10) 내에서 미세 홀(11)들 전체가 차지하는 면적은 제1흡음판(10) 전체 면적의 3~30%를 차지할 수 있다. 바람직하게는 제1흡음판(10) 내에서 미세 홀(11)들 전체가 차지하는 면적은 제1흡음판(10) 전체 면적의 10%를 차지한다. 미세 홀(11)들 전체가 차지하는 면적 비율이 30%를 초과하거나, 3% 미만일 경우 흡음 성능이 급격히 저하되고, 10%에서 흡음 성능이 가장 우수하게 나타남을 실험적으로 확인하였다. 그리고 상술한 형상의 제1흡음판(10)은 100Hz~500Hz의 중저주파 대역에서 고흡음성을 나타내었다. The fine holes 11 are formed at uniform intervals in the entire area of the first sound absorbing plate 10. The area occupied by the entire fine holes 11 in the first sound absorbing plate 10 is equal to the total area of the first sound absorbing plate 10 Lt; / RTI > According to the embodiment, the area occupied by the entirety of the fine holes 11 in the first sound-absorbing plate 10 may occupy 3 to 30% of the total area of the first sound-absorbing plate 10. Preferably, the area occupied by the entirety of the fine holes 11 in the first sound-absorbing plate 10 occupies 10% of the total area of the first sound-absorbing plate 10. It was experimentally confirmed that the sound absorption performance was drastically decreased when the area ratio of the entire fine holes 11 was more than 30% or less than 3%, and that the sound absorption performance was the best at 10%. The first sound-absorbing plate 10 having the above-described shape exhibited high sound-absorbing property in the middle low frequency band of 100 Hz to 500 Hz.

제2흡음판(20)은 제1흡음판(10)의 후면에 위치한다. 제2흡음판(20)은 멜라민폼(Melamine form)으로 제공된다. 멜라민폼은 고주파 대역에서 고흡음성을 나타낸다. 제2흡음판(20)은 제1흡음판(10)보다 두껍게 제공된다. 실시 예에 의하면, 제2흡음판(20)은 25~100mm의 두께 를 갖는다. 두께가 25mm 미만일 경우 제2흡음판(20)의 흡음성능이 떨어지고, 100mm초과할 경우 흡음성능이 수렴되어 두께가 증가하더라도 흡음 효과에 큰 변화가 없는 것을 실험적으로 확인하였다. 이에 요구되는 흡음성능을 갖는 최적의 두께가 25~100mm임을 확인하였다.The second sound-absorbing plate 20 is located on the rear surface of the first sound-absorbing plate 10. [ The second sound absorbing plate 20 is provided in a melamine form. Melamine foams exhibit high sound absorption in the high frequency band. The second sound-absorbing plate 20 is provided thicker than the first sound-absorbing plate 10. [ According to the embodiment, the second sound-absorbing plate 20 has a thickness of 25 to 100 mm. The sound absorbing performance of the second sound absorbing plate 20 is lowered when the thickness is less than 25 mm, and the sound absorbing performance is converged when the thickness is more than 100 mm. It was confirmed that the optimum thickness having the required sound absorption performance was 25 to 100 mm.

마감재(30)는 제2흡음판(20)의 후면에서 제2흡음판(20)과 소정 간격을 유지하면 배치된다. 마감재(30)는 직물 재질로 제공될 수 있다.The finishing material 30 is disposed at a predetermined distance from the second sound-absorbing plate 20 on the rear surface of the second sound- The finishing material 30 may be provided as a fabric material.

제2흡음판(20)과 마감재(30) 사이에는 공기층(40)이 형성된다. 공기층(40)은 100Hz 미만의 저주파 대역에서 고흡음성을 나타낸다. 발생되는 음향의 주파수 대역에 따라 제2흡음판(20)과 마감재(30) 사이 간격을 조절할 수 있다.An air layer (40) is formed between the second sound absorbing panel (20) and the finishing material (30). The air layer 40 exhibits high sound absorption in a low frequency band of less than 100 Hz. The interval between the second sound absorbing plate 20 and the finishing material 30 can be adjusted according to the frequency band of the generated sound.

상술한 바와 같이, 본 발명에 따른 흡음 패널(1)은 제1흡음판(10)에서 고주파수 대역의 음향을 흡음하고, 제2흡음판(20)에서 중저주파수 대역의 음향을 흡음하고, 공기층(40)이 저주파수 대역의 음향을 흡음함으로써, 모든 주파수 대역의 음향을 효과적으로 흡음할 수 있는 효과가 있다.As described above, the sound-absorbing panel 1 according to the present invention absorbs sounds in the high frequency band in the first sound-absorbing panel 10, absorbs sounds in the middle and low frequency band in the second sound- By absorbing the sound of this low frequency band, there is an effect that the sound of all the frequency bands can be effectively absorbed.

이상, 본 발명을 바람직한 실시 예를 사용하여 상세히 설명하였으나, 본 발명의 범위는 특정 실시 예에 한정되는 것은 아니며, 첨부된 특허청구범위에 의하여 해석되어야 할 것이다. 또한, 이 기술분야에서 통상의 지식을 습득한 자라면, 본 발명의 범위에서 벗어나지 않으면서도 많은 수정과 변형이 가능함을 이해하여야 할 것이다. While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments. It will also be appreciated that many modifications and variations will be apparent to those skilled in the art without departing from the scope of the invention.

10: 제1흡음판
20: 제2흡음판
30: 마감재
40: 공기층10: First sound absorbing plate
20: second sound absorbing plate
30: Finishing material
40: air layer

Claims (5)

미세 홀들이 타공된 제1흡음판;
멜라민폼으로 제공되며, 상기 타공판의 후면에 위치하는 제2흡음판; 및
상기 제2흡음판의 후면과 소정 간격을 두고 배치되는 마감재를 포함하며,
상기 제2흡음판과 상기 마감재 사이에는 공기층이 제공되는 흡음 패널.A first sound absorbing plate on which fine holes are formed;
A second sound absorbing plate provided as a melamine foam and positioned on a rear surface of the perforated plate; And
And a finish material disposed at a predetermined distance from a rear surface of the second sound absorbing plate,
And an air layer is provided between the second sound-absorbing plate and the finishing material. 제 1 항에 있어서,
상기 미세 홀들 전체가 차지하는 면적은 상기 제1흡음판 전체 면적의 3 내지 30%인 흡음 패널.The method according to claim 1,
Wherein an area occupied by the entirety of the fine holes is 3 to 30% of the total area of the first sound absorbing plate. 제 1 항에 있어서,
상기 미세 홀들의 직경은 0.5~3mm인 흡음 패널.The method according to claim 1,
And the diameter of the fine holes is 0.5 to 3 mm. 제 1 항에 있어서,
상기 제2흡음판의 두께는 25~100mm인 흡음 패널.The method according to claim 1,
Wherein the thickness of the second sound-absorbing panel is 25 to 100 mm. 제 1 항에 있어서,
상기 공기층은 상기 제1흡음판에 대응하는 면적을 갖는 흡음 패널.The method according to claim 1,
Wherein the air layer has an area corresponding to the first sound-absorbing plate.
KR1020160017146A 2016-02-15 2016-02-15 Noise Absorbing Panel Ceased KR20170095575A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110005086A (en) * 2019-03-29 2019-07-12 广州市五羊艺冠声学材料有限公司 A kind of ultramicropore abatvoix
WO2021242038A1 (en) * 2020-05-29 2021-12-02 주식회사 젠픽스 Nonflammable ceiling material for sound absorption and manufacturing method therefor
KR20250017049A (en) * 2023-07-26 2025-02-04 지창후 Acoustic Absorption Panel with Built-In Base Foam

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110005086A (en) * 2019-03-29 2019-07-12 广州市五羊艺冠声学材料有限公司 A kind of ultramicropore abatvoix
WO2021242038A1 (en) * 2020-05-29 2021-12-02 주식회사 젠픽스 Nonflammable ceiling material for sound absorption and manufacturing method therefor
CN114080263A (en) * 2020-05-29 2022-02-22 株式会社珍福斯 Sound-absorbing non-combustible ceiling material and manufacturing method thereof
KR20250017049A (en) * 2023-07-26 2025-02-04 지창후 Acoustic Absorption Panel with Built-In Base Foam

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