KR20070022538A - A soundproof and absorption panel and the method thereof - Google Patents
A soundproof and absorption panel and the method thereof Download PDFInfo
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- KR20070022538A KR20070022538A KR1020050076847A KR20050076847A KR20070022538A KR 20070022538 A KR20070022538 A KR 20070022538A KR 1020050076847 A KR1020050076847 A KR 1020050076847A KR 20050076847 A KR20050076847 A KR 20050076847A KR 20070022538 A KR20070022538 A KR 20070022538A
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- panel
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000006260 foam Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000002562 thickening agent Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000005187 foaming Methods 0.000 claims abstract 2
- 238000005096 rolling process Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 7
- 239000004604 Blowing Agent Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- 239000012258 stirred mixture Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- -1 Titanium hydride Chemical compound 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910000048 titanium hydride Inorganic materials 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/142—Laminating of sheets, panels or inserts, e.g. stiffeners, by wrapping in at least one outer layer, or inserting into a preformed pocket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0064—Perforated plate or mesh, e.g. as wall facing
- E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/042—Punching
-
- 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
- E04B2001/8461—Solid slabs or blocks layered
-
- 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
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
- E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element
- E04B2001/8495—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element the openings going through from one face to the other face of the element
Abstract
본 발명은 발포 알루미늄을 이용한 패널, 특히 흡음 및 차음 효과가 탁월하고 패널의 제작과정에서 폐기물이 거의 발생하지 않으며 다양한 형상으로 가공 가능한 흡음형 방음 패널 및 그 제조방법에 관한 것으로, 알루미늄 96중량% 내지 98.2중량%와 발포제 0.3중량% 내지 1.5중량%와 증점제 1.5 중량% 내지 2.5 중량%로 구성된 직경 0.5mm 내지 6mm의 크기를 갖는 발포공이 1㎤당 1개 이상 포함된 알루미늄 발포 패널의 전, 후면에 두께 소정 크기의 메탈라스 또는 유공판이 접착제로 고정된 것을 특징으로 하며, 일반적인 종래의 기술에 의해 제작된 발포 알루미늄 패널에 비해 음파에 노출되는 표면적이 늘어나고 불규칙하고 다양한 형상의 크랙과 발포공이 형성되므로 다양한 주파수대의 소리에너지를 흡수, 열 에너지로 변환시킬 수 있을 뿐만 아니라 외관에 다양한 장식이 가능하고 표면의 평면성이 증대하여 넓은 용도로 사용할 수 있다는 장점을 갖는다.The present invention relates to a panel using foamed aluminum, in particular, a sound absorbing soundproof panel excellent in sound absorption and soundproofing effect and almost no waste in the manufacturing process of the panel and capable of processing into various shapes. The thickness of the front and rear surfaces of an aluminum foam panel containing at least one foaming hole per cm 3 having a size of 0.5 mm to 6 mm in diameter consisting of weight%, 0.3% to 1.5% by weight of foaming agent and 1.5% to 2.5% by weight of thickener. It is characterized in that the metal lath or perforated plate of a predetermined size is fixed with an adhesive, and the surface area exposed to sound waves is increased and irregular and various shapes of cracks and foam holes are formed compared to the foamed aluminum panel manufactured by a conventional conventional technique. Can absorb sound energy and convert it into heat energy One decoration is possible, and the flatness of the surface is increased, so that it can be used for a wide range of applications.
알루미늄, 발포, 흡음, 차음 Aluminum, foam, sound absorption, sound insulation
Description
도 1 은 본 발명의 일 실시예에 따른 패널 구조 단면도1 is a cross-sectional view of a panel structure according to an embodiment of the present invention
도 2는 본 발명의 일 실시예에 따른 프레스 단면2 is a cross-sectional view of a press according to an embodiment of the present invention
도 3은 본 발명의 일 실시예에 따른 패널 구조도3 is a panel structure diagram according to an embodiment of the present invention
본 발명은 발포 알루미늄을 이용한 패널, 특히 흡음 및 차음 효과가 탁월하고 패널의 제작과정에서 폐기물이 거의 발생하지 않으며 다양한 형상으로 가공 가능한 방음 패널 및 그 제조방법에 관한 것이다.The present invention relates to a panel using foamed aluminum, in particular, a sound absorbing panel excellent in sound absorption and sound insulation effect, almost no waste in the manufacturing process of the panel and can be processed into various shapes and a method for manufacturing the same.
현대 문명생활에서 피할 수 없는 소음의 차단 및 흡수를 위해 다양한 노력들이 경주되어 왔고 각 주택건설현장 등에서도 인접 주민의 불편함을 감소시키기 위해 차음 및 흡음재가 선택되어 시공되고 있으며 고속도로 주변의 공간, 산업현장 등에서도 소음 차단을 위한 각종 차음재 및 흡음재가 채용되어져 왔다. 이러한 목적을 달성하기 위해 일반적으로 널리 사용되고 있는 방음 소재로서는 목재, 콘크리트와 같은 일반적인 건축소재, 폴리우레탄 등과 같은 합성수지재에서 스티로폴, 금속 타공판과 같은 소재까지 다양한 제품들이 사용되고 있는 바, 특히 최근에는 차음, 흡음효과가 뛰어나고 시공이 용이하며 가격이 저렴하고 불연성, 내열성을 모두 만족하는 알루미늄 발포 패널이 사용되어지고 있다.Various efforts have been made to block and absorb noise that cannot be avoided in modern civilized life, and sound insulation and sound absorbing materials are selected and constructed to reduce inconveniences of neighboring residents at each housing construction site. Various sound insulation materials and sound absorption materials for noise isolation have been adopted in the field. In order to achieve this purpose, soundproofing materials are widely used in general, such as wood, concrete, general building materials, and synthetic resin materials such as polyurethane, and materials such as styropol and metal perforated plates. Aluminum foam panels that are excellent in sound absorption effect, easy to install, inexpensive, and satisfy both non-flammable and heat resistance are being used.
이러한 용도로 사용되는 종래의 알루미늄 발포 패널을 살펴보면 알루미늄 용탕에 증점제를 투여하여 증점시키고 증점된 용탕에 발포제를 투여하고 고속으로 교반하여 발포시켜 얻은 고형물 중 발포가 가장 적절하게 잘 이루어진 부분을 중심으로 적절한 두께, 예컨대 13.5㎜로 절단하여 압연율 약 40%로 압연하여 얻은 9㎜ 정도의 패널을 사용하였다. 이렇게 압연을 하는 이유는 압연을 통해 발포 알루미늄 고형체에 미세한 크랙이 가도록 하고 이렇게 발생한 크랙을 통해 소리에너지를 흡수하여 열에너지로 변환시켜 소리에너지를 소멸시키고 밀도를 높여 패널 자체의 강성을 높이기 위함이다.In the conventional aluminum foam panel used for this purpose, the thickening agent is applied to the aluminum molten metal to thicken and the foamed agent is injected to the thickened molten metal and foamed by stirring at a high speed. A panel of about 9 mm obtained by cutting at a thickness of, for example, 13.5 mm and rolling at a rolling rate of about 40% was used. The reason for this rolling is to allow fine cracks to go to the foamed aluminum solid through rolling and to absorb the sound energy and convert it into thermal energy through the cracks generated to dissipate the sound energy and increase the density to increase the rigidity of the panel itself.
즉, 적절한 밀도구배를 갖는 금속판을 통해 소리의 파동이 외부로 전달되는 것을 최대한 억제할 뿐만 아니라 발포공과 크랙을 통해 소리에너지를 열에너지로 변환시킴으로서 발포공과 크랙으로 인입되는 소리에너지를 흡수할 수 있게 되는 것이다.In other words, it is possible to absorb the sound energy introduced into the foam hole and crack by converting the sound energy into thermal energy through the foam hole and the crack as well as suppressing the transmission of the wave of sound to the outside through a metal plate having an appropriate density gradient. will be.
그런데 이러한 목적을 위한 패널을 얻기 위해서 만들어지는 알루미늄 발포 고형물의 경우 그 상부는 표면이 균일하지 않아 패널로 사용하기가 부적절하고 하부의 경우에는 거의 발포가 이루어지지 않아 흡음용 방음 패널로 사용할 수 없어 폐기되고 있는 실정이다. 이렇게 폐기되는 양은 전체 알루미늄 발포 고형물의 약 40%에 이르므로 재료의 낭비가 상당하였다. 뿐만 아니라 이렇게 만들어지는 알루미늄 고형물 폐기물의 경우 다시 재용해함으로서 재활용할 수 있으나 별도의 처리 없이 그대로 재용해해 사용할 경우 대부분 부유물로 용탕위에 뜨는 경향이 많아 재활용이 그리 쉽지 않은 실정이다.However, in the case of aluminum foamed solids made to obtain a panel for this purpose, the upper part is not uniform, so it is not suitable for use as a panel, and the lower part hardly foams, so it cannot be used as a soundproofing panel for sound absorption. It's happening. This waste amounted to about 40% of the total aluminum foamed solids, resulting in significant waste of material. In addition, the aluminum solid waste thus made can be recycled by re-dissolving it again. However, if it is used again without reprocessing, it is not easy to recycle since it tends to float on the melt as a float.
또한 상기 과정에서 생산되는 발포 패널의 경우 흡음 및 차음의 효과를 극대화하기 위해서는 패널 그대로 시공하여야 하는 바, 이렇게 시공할 경우 알루미늄 자체의 금속성 색상이 그대로 드러나 외관의 미려함을 갖기 어렵고, 충격에 약할 뿐만 아니라 표면의 질감으로 인해 가정용, 인테리어용으로 사용하는데 한계가 있었다.In addition, in the case of the foam panel produced in the above process to maximize the effects of sound absorption and sound insulation, the panel should be installed as it is. Due to the texture of the surface, there was a limit to use for home and interior.
본 발명은 이러한 문제점을 해결하기 위한 것으로 종래의 알루미늄 발포 패널에 비해 흡음면적을 증대시키고 재료의 낭비를 최소화한 흡음형 방음 패널을 제공하는데 그 목적이 있다.An object of the present invention is to provide a sound absorbing soundproof panel which increases the sound absorbing area and minimizes the waste of materials compared to conventional aluminum foam panels.
본 발명은 종래의 발포 알루미늄 패널에 비해 기계적 특성이 우수한 흡음형 방음 패널을 제공하는데 그 두번째 목적이 있다.The present invention has a second object to provide a sound-absorbing soundproof panel excellent mechanical properties compared to the conventional foamed aluminum panel.
본 발명의 또다른 목적은 종래의 패널에 비해 우수한 표면 질감을 갖고 평면도가 증대된 흡음형 방음 패널을 제공하는데 있다.It is still another object of the present invention to provide a sound absorbing soundproof panel having superior surface texture and increased planarity compared to a conventional panel.
이러한 본 발명의 목적은 The purpose of this invention is
알루미늄을 약 670℃ 내지 700℃로 가열하는 단계; 상기 알루미늄 용탕에 증점제 1.5 중량% 내지 2.5중량%를 투여하여 5분 내지 8분간 교반하는 단계; 상기 교반이 끝난 후 발포제 1.0 중량% 내지 2.0 중량%를 투여하여 30초 내지 40초간 교반하는 단계; 상기 교반된 혼합물을 하부주형에 경동시켜 30초 내지 2분간 유지하여 체적을 10 내지 15배 증가시킨 다음 냉각구간으로 이송시켜 600℃까지 3분 내지 5분 내에 급냉하여 고형물을 얻는 단계; 상기 600℃ 이하의 고형물을 서냉하는 단계; 상온까지 냉각된 고형물을 두께 9㎜ 내지 14㎜크기로 절단하는 단계; 상기 절단되어 제작된 발포 알루미늄 패널을 유공판 또는 메탈라스 판 위에 접착하는 단계; 상기 발포 알루미늄 패널을 3㎜ 내지 8㎜의 높이를 갖는 돌출부가 형성된 면을 갖는 돌출 프레스로 1차 압연하는 단계; 상기 압연된 패널 위에 유공판 또는 메탈라스 판을 접착하면서 압연율 약 3% 내지 10%로 2차 압연하는 단계;를 포함하는 흡음형 방음 패널 제작방법에 의해 달성된다.Heating the aluminum to about 670 ° C. to 700 ° C .; Administering 1.5 wt% to 2.5 wt% of a thickener to the molten aluminum to stir for 5 to 8 minutes; Agitating for 30 seconds to 40 seconds by administering 1.0 wt% to 2.0 wt% of the blowing agent after the stirring is finished; Tilting the stirred mixture in a lower mold and holding it for 30 seconds to 2 minutes to increase the volume by 10 to 15 times, and then transfer to a cooling section to quench the solution to 600 ° C. in 3 to 5 minutes to obtain a solid; Slow cooling the solid below 600 ° C .; Cutting the solid cooled to room temperature into a size of 9 mm to 14 mm; Adhering the cut foamed aluminum panel to a hole plate or a metal lath plate; First rolling the foamed aluminum panel with a protrusion press having a surface on which a protrusion having a height of 3 mm to 8 mm is formed; It is achieved by a sound-absorbing soundproof panel manufacturing method comprising a; second step of rolling at a rolling rate of about 3% to 10% while adhering a porous plate or a metal lath plate on the rolled panel.
상기 발포제로는 수소저장합금인 수소화티탄 등을 사용하며 증점제로는 칼슘(Ca) 파우더가 바람직하며, 상기 발포제로는 수소화티탄(TiH2)이 바람직하나 칼슘과 수소화티탄으로 한정되는 것은 아니며, 칼슘 성분이 대량으로 함유된 조개껍질 등을 사용할 수 있다.Titanium hydride, which is a hydrogen storage alloy, is used as the blowing agent, and calcium (Ca) powder is preferable as the thickener, and titanium hydride (TiH 2 ) is preferable as the blowing agent, but is not limited to calcium and titanium hydride. Shellfish shells containing a large amount of ingredients can be used.
상기 돌출 프레스는 원뿔, 사각뿔, 타원, 원 등 다양한 형상의 돌출부를 갖는 면으로 압연하는 것을 특징으로 한다. 이러한 원뿔, 사각뿔, 타원, 원 등의 돌출부를 갖는 면에 의해 압연할 경우 패널에 발생되는 크랙이 많아지고 그 형상이 더욱 불규칙해짐으로서 다양한 주파수의 소리에너지를 교란시키고 열에너지로 변환시킬 수 있을 뿐만 아니라 발포가 제대로 이루어지지 않은 패널을 압연하더라도 패널 자체의 흡음력을 증대시킬 수 있다는 장점이 있다.The protruding press is characterized by rolling to a surface having protrusions of various shapes such as cones, square pyramids, ellipses, and circles. When rolling by the surface having protrusions such as cones, square pyramids, ellipses, and circles, the cracks generated on the panel increase and the shape becomes more irregular, which not only disturbs sound energy of various frequencies and converts them into thermal energy. Even if the foam is not rolled properly, there is an advantage that the sound absorption of the panel itself can be increased.
상기 유공판 또는 메탈라스에 접착할 경우 메탈라스나 유공판을 상 하부에 모두 접착한 후 압연을 할 수도 있고 압연이 끝난 후 상, 하부에 접착할 수도 있으며 상기 예에서와 같이 1차 돌출 프레스에 의한 압연이 이루어진 상태에서 접착한 후 재차 압연을 할 수도 있으나 접착률을 높이고 기계적 특성을 강화하기 위하여 1차 돌출 프레스에 의한 압연이 이루어진 상태에서 접착하는 것이 가장 효율적이다.In the case of adhering to the hole plate or the metal lath, the metal lath or the hole plate may be adhered to the upper and lower parts, followed by rolling, or may be attached to the upper and lower parts after the rolling is completed. After bonding in the rolled state, it is also possible to roll again, but in order to increase the adhesion rate and to strengthen the mechanical properties, it is most efficient to bond in the rolled state by the first extrusion press.
상기 메탈라스는 얇은 구리판 또는 철판에 일정한 간격으로 절삭 자국을 내 어, 이것을 절삭자국과 직각방향으로 잡아당겨 늘여서 그물 모양으로 만든 것을 말하는 것으로서 본 발명에 사용되는 메탈라스의 개별 그물망의 크기는 5㎜ 내지 20㎜ 정도면 충분하며 두께는 0.5㎜ 내지 2㎜인 것이 바람직하다.The metal lass is made of thin copper sheet or iron sheet at regular intervals, and stretches them in a direction perpendicular to the cutting marks to form a net shape. The size of the individual mesh of the metal las used in the present invention is 5 mm. It is preferable that the thickness is about 20 mm and the thickness is 0.5 mm to 2 mm.
상기 유공판은 무기질 불연판재인 아미텍스 원판 등의 얇은 판에 일정한 크기의 타공을 한 것으로서, 상기 타공의 크기는 역시 5㎜ 내지 20㎜ 정도이고 두께는 0.5㎜ 내지 2㎜인 것이 바람직하다. 유공판에 형성되는 타공은 유공판 전체에 골고루 형성될 수도 있고 디자인의 유려함을 위해 다양한 모양으로 형성될 수 있다.The perforated plate is a hole of a certain size on a thin plate such as an Amitex disc, which is an inorganic non-flammable plate material, the size of the perforation is also about 5 mm to 20 mm and the thickness is preferably 0.5 mm to 2 mm. Perforations formed in the perforated plate may be evenly formed throughout the perforated plate or may be formed in a variety of shapes for the convenience of the design.
상기 알루미늄 발포 패널과 상기 메탈라스 또는 유공판의 접착은 통상의 접착물질 등에 의해 가능하다.The aluminum foam panel and the metal lath or perforated plate may be bonded by a common adhesive material or the like.
이하 본 발명을 첨부한 도면을 통해 보면 Through the accompanying drawings of the present invention
도 1 은 본 발명의 일 실시예에 따른 패널 구조를 도시한 것으로서 상부와 하부에 타공(2)이 형성되어 있는 유공판(1)이 부착되고 상 하 유공판 사이에 알루미늄 발포 패널(3)이 삽입된 구조로 형성되어 있음을 알 수 있다.1 is a view illustrating a panel structure according to an embodiment of the present invention, in which a
도 2는 본 발명의 일 실시예에 따른 돌출 프레스 면(5)을 도시한 것으로서 하부면에 원뿔, 사각뿔, 삼각뿔, 타원, 원 등의 다양한 형상의 돌출부(6)가 높이 3㎜ 내지 8㎜로 형성되어 있어 압연을 할 경우 이러한 다양한 형상에 의해 패널의 접촉면에 다양한 형상의 공이 형성될 뿐만 아니라 서로 깊이가 다르고 밀도구배가 다른 크랙이 형성됨으로서 다양한 주파수대의 소리를 흡수할 수 있게 되는 것이다.2 is a view showing a protruding
또한 본 발명은 알루미늄 발포 패널 상부와 하부 어느 한쪽에만 유공판을 부착할 수 있다. 즉, 유공판이나 메탈라스를 한면에만 부착하는 것도 가능한 것이다. 또한 패널과 일정 간격 이격된 위치에 두께 1.6㎜ 이상의 강판을 위치시키되 상기 강판(4)에는 요철을 형성하고 상기 요철의 요 부분과 철 부분의 높이를 10㎜ 정도로 하여 하부 유공판과의 이격된 거리를 50㎜, 60㎜ 정도로 설치함으로서 좀 더 넓은 주파수 영역대에서 흡음율을 증대시킬 수 있다.In addition, the present invention can attach the porous plate only on either the upper and lower aluminum foam panel. That is, it is also possible to attach a hole plate and a metal lath only to one side. In addition, a steel plate having a thickness of 1.6 mm or more is placed at a position spaced apart from the panel by a predetermined distance, but the unevenness is formed in the
즉, 일반적인 발포패널을 이용하여 방음, 흡음벽을 설치할 경우 패널의 후면에 위치하는 공기층의 두께에 따라 흡음 주파수 대역이 변화하게 되는 바, 보다 넓은 주파수 영역대에서 흡음율을 증대시키기 위해 후면에 위치하는 1.6밀리 이상의 강판을 절곡하여 요철형상을 갖게 함으로서 흡음 주파수 대역을 넓게 하고자 하는 것이다.That is, when the sound insulation and sound absorption walls are installed using a general foam panel, the sound absorption frequency band changes according to the thickness of the air layer located on the rear side of the panel, which is located on the rear side to increase the sound absorption rate in a wider frequency range. It is intended to widen the sound absorption frequency band by bending the steel plate of 1.6 mm or more to have an uneven shape.
이러한 본 발명은 알루미늄 발포 금속 고형물을 이용한 것으로 설명하였으나 유사한 흡음 및 방음성질을 갖는 다른 금속 고형물에도 동일하게 적용될 수 있음은 물론이다.Although the present invention has been described as using an aluminum foamed metal solid, it can be applied to other metal solids having similar sound absorption and sound insulation properties.
이러한 구성을 갖는 흡음형 방음패널의 경우 일반적인 종래의 기술에 의해 제작된 발포 알루미늄 패널에 비해 음파에 노출되는 표면적이 늘어나고 불규칙하고 다양한 형상의 크랙과 발포공이 형성되므로 다양한 주파수대의 소리에너지를 흡수, 열 에너지로 변환시킬 수 있을 뿐만 아니라 외관에 다양한 장식이 가능하고 표면의 평면성이 증대하여 넓은 용도로 사용할 수 있다는 장점을 갖는다.In the case of a sound absorbing soundproof panel having such a structure, the surface area exposed to sound waves increases and irregular and various shapes of cracks and foam holes are formed in comparison with the foamed aluminum panel manufactured by a conventional conventional technology. Not only can it be converted into, but also various decorations on the appearance and the flatness of the surface has the advantage that can be used for a wide range of applications.
Claims (8)
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| KR1020050076847A KR20070022538A (en) | 2005-08-22 | 2005-08-22 | A soundproof and absorption panel and the method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101509807B1 (en) * | 2009-11-30 | 2015-04-06 | 현대자동차주식회사 | Sub-frame of engine and manufacturing method of said it |
| KR101588822B1 (en) * | 2014-12-18 | 2016-01-26 | (주)에스지아이 | Sound absorption panel |
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2005
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101509807B1 (en) * | 2009-11-30 | 2015-04-06 | 현대자동차주식회사 | Sub-frame of engine and manufacturing method of said it |
| KR101588822B1 (en) * | 2014-12-18 | 2016-01-26 | (주)에스지아이 | Sound absorption panel |
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