CN102449238A - 吸音式隔音板 - Google Patents
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Abstract
本发明涉及吸音式隔音板,更具体而言,其特征在于,包括:主体,其具有前表面和后表面,并沿着水平方向延长,在前表面和后表面之间形成有空间部;以及吸音材料,该吸音材料收纳于上述主体的空间部,配置成与前表面以及后表面均分离;在上述主体的前表面,沿着垂直方向交替形成凹部和凸部,并形成多个吸音孔,全部吸音孔的截面积为前表面的截面积的20%以上。本发明的吸音式隔音板能够广泛地应用于建筑以及产业用产品,对于宽的频带域具有良好的吸音特性,并能够呈现出美丽的外观效果。
Description
技术领域
本发明涉及一种吸音式隔音板,更具体地,涉及一种能够广泛地应用于建筑以及产业用产品,对于宽的频带域具有良好的吸音特性,并能够呈现出美丽的外观效果的吸音式隔音板。
背景技术
隔音墙一般设置于住宅区附近的道路或铁路、发生严重噪声的各种设施物以及发生工地噪声的地区周边,起到隔断这种噪声以及振动的作用。
通常,隔音墙根据不同功能划分为隔音式、吸音式以及共振式,作为隔音式隔音墙,根据不同原材有聚碳酸酯或聚丙烯等透明型隔音墙和压缩成型水泥板、塑料板等,作为吸音式隔音墙,有由镀铝和锌的钢板形成的金属型隔音墙和利用防腐木制成的木材型隔音墙、轻量水泥隔音墙等。
在这种隔音墙中,吸音式隔音墙使用多孔物质,例如玻璃纤维、聚酯(PET)等来发挥出吸音效果。但是使用这种多孔吸音材料的情况下,虽然在高频带域具有超群的吸音性能,但在低频带域却存在局限性,为了发挥出高的吸音性能,需要加大形成多孔性吸音材料的厚度,并且为了赋予装饰性,存在需要与其他原材接合后使用的问题。
并且,由于聚酯在下雨情况下吸水,因而需要对表面进行防水处理,因这种防水处理而存在导致吸音率降低的问题,使用玻璃棉或岩石棉的情况下,由于飞散等问题而需要用薄膜类涂敷表面,因这种薄膜而存在导致吸音率降低的问题。
另一方面,金属型隔音墙因烟雾以及雨水等而腐蚀以及变色的可能性高,木材型隔音墙则因主要使用防腐木而存在长期使用时造成表面污染、发生裂纹以及变色的忧虑。
发明内容
本发明是为了解决如上所述的问题而提出的,本发明的目的在于,提供一种能够广泛地应用于建筑以及产业用产品,对于宽的频带域具有良好的吸音特性,并能够呈现出美丽的外观效果的吸音式隔音板。
为了解决本发明的上述目的,根据本发明的一方案,提供一种吸音式隔音板,其特征在于,包括:主体,其具有前表面和后表面,并沿着水平方向延长,在前表面和后表面之间形成有空间部;以及吸音材料,其收纳于上述主体的空间部,配置成与前表面以及后表面均分离,并由单位面积质量为400g/m2以上的超细纤维原材形成;在上述主体的前表面,沿着垂直方向形成有凹部和凸部以及多个吸音孔。
如上所述,本发明的吸音式隔音板能够广泛地应用于建筑以及产业用产品,对于宽的频带域具有良好的吸音特性,并能够呈现出美丽的外观效果。
并且,本发明的吸音式隔音板能够通过压缩成型而制作成一体,因而制作以及施工简便,并由合成木材形成,因而能够呈现出天然质地,且具有良好的耐水性以及耐候性。
附图说明
图1和图2是本发明一实施例的吸音式隔音板的剖视图。
图3是本发明一实施例的吸音式隔音板的立体图。
图4是本发明一实施例的吸音式隔音板的剖切立体图。
具体实施方式
下面,将参照附图对本发明一实施例的吸音式隔音板进行详细说明。附图所图示出的是本发明的示例性方式,仅用以更为详细地说明本发明,并不用以限定本发明的技术范围。
图1和图2是本发明一实施例的吸音式隔音板的剖视图,图3是本发明一实施例的吸音式隔音板的立体图,图4是本发明一实施例的吸音式隔音板的剖切立体图。
本发明一实施例的吸音式隔音板1包括主体10以及配置于上述主体内的吸音材料20。
在这里,上述主体10具有前表面11和后表面15,并沿着水平方向延长,在前表面11与后表面15之间形成空间部30、40。
并且,在上述主体10的前表面11,沿着垂直方向交替形成凹部12和凸部13,并形成多个吸音孔14,上述主体10可通过对混合了烯烃类塑料树脂和木粉的混合物进行压缩成型来制作成一体,具有凹凸结构的前表面11呈百叶(louver)形态,空间部30、40起到使噪声衰减的作用。
另一方面,在上述凹部12和凸部13的表面可形成多个凹凸,由此在表面发生散射,因而能够得到使噪声消散的效果。
上述空间部30、40以吸音材料20为基准,划分为形成在吸音材料20与主体10的前表面11之间的第一共振部30和形成在吸音材料20与主体10的后表面15之间的第二共振部40,通过吸音孔14流入的噪声在第一共振部30第一次消散,并通过吸音材料20和第二共振部40依次被吸音以及消散。
即,上述吸音孔14起到亥姆霍兹共振器的作用,吸音孔14的形状可根据吸音性能以及外观效果而决定,但不局限于此,例如可以是狭缝(slit)或圆形。上述吸音孔14的直径也根据吸音性能设定成各种大小,为了确保高的吸音性能,优选地,吸音孔14的整体面积为前表面11的整体面积的20%以上。此时,如果吸音孔14的整体面积小于上述数值,吸音性能就会降低,大于上述数值的情况下,虽然没有特殊限制,但考虑到外观效果,优选为30%至40%以下。
上述吸音材料20由具有优良的吸音或隔音性能的材料形成,但不局限于此,例如可以是选自由聚氨酯泡沫、聚脲泡沫、聚氯乙烯泡沫、聚丙烯泡沫、聚乙烯泡沫、聚苯乙烯泡沫、聚醋酸乙烯酯泡沫、三聚氰胺泡沫、苯酚泡沫、丙烯酸泡沫、无纺布、纤维织物、玻璃棉、矿物棉(Mineral wool)以及岩石棉(rock wool)构成的组中的一种或两种以上通过层压或接合而成。
优选地,上述吸音材料20由利用作为环保树脂的烯烃类树脂的单位面积质量为400g/m2的极细纤维形成,由此以20至30mm的厚度(优选为约26mm的厚度)形成薄的吸音材料20,因而能够使吸音式隔音板形成为整体厚度在80mm以下,因而能够实现小型化。
并且,在上述主体10可形成用于将上述主体10的空间部30、40划分成多个区域的隔壁16,并且可在上述隔壁以及主体的内表面突出形成固定导向件17,以将上述吸音材料20配置成与主体10的前表面11以及后表面15均分离。
形成在吸音材料20与主体10的后表面15之间的第二共振部40起到亥姆霍兹共振器的作用,并在低频域发挥吸音性能。目前,KS规格的KSF4770-3规定对250Hz、500Hz、1000Hz、2000Hz的吸音率进行算述平均后需满足0.7以上,由此在本发明一实施例的吸音式隔音板中,优选地,第二共振部40在500Hz至1000Hz具有共振结构,并且优选地,吸音材料20由在1000Hz以上时具有高吸音率的原材形成。
第一共振部30的情况下,根据吸音孔14的面积和第一共振部30的体积而决定噪声衰减的频带域,在本发明一实施例的吸音式隔音板1中,由于一个吸音孔14具有两个共振结构30、40,因而发挥出高的吸音性能。
并且,在上述主体10的前表面11(尤其是凹部12)以及后表面15,分别形成向内侧突出的加强突起R,这种加强突起R有助于吸音式隔音板10的结构稳定性,并起到将第一共振部以及第二共振部30、40划分成多个空间的功能。
并且,参照图2,为了使施工时的装配变得容易,在吸音式隔音板1的主体10的垂直方向的上端和下端,分别形成有紧固突起18和与该紧固突起18对应的紧固槽19。
本发明一实施例的吸音式隔音板1由于主体10是压出物,因而长度方向的两纵端处于开放状态,由此通过吸音孔14流入的噪声通过主体10的开放的侧面会传播到外部,为了防止这种现象,还包含安装于主体10的两侧面的侧盖50,在这种侧盖50形成用于使安装变得容易的突起51。
如此构成的吸音式隔音板1的施工方法是,吸音式隔音板1固定于由水泥或混凝土形成的地基上,并层压隔音板1而插入到H形梁之间。此时使用紧固夹,以防止层压的隔音板1从H形梁脱离。
如上所述的本发明的优选实施例只用以示例性目的,对于本发明所属领域的普通技术人员来说,能够在本发明思想和范围内进行各种修改、变更以及附加,这些修改、变更以及附加都应视为属于本发明要求保护的权利范围内。
Claims (8)
1.一种吸音式隔音板,其特征在于,
包括:
主体,其具有前表面和后表面,并沿着水平方向延长,在前表面和后表面之间形成有空间部;以及
吸音材料,其收纳于上述主体的空间部,配置成与前表面以及后表面均分离,并由单位面积质量为400g/m2以上的超细纤维原材形成;
在上述主体的前表面,沿着垂直方向形成有凹部和凸部以及多个吸音孔。
2.根据权利要求1所述的吸音式隔音板,其特征在于,全部吸音孔的截面积为主体的前表面的截面积的20%以上。
3.根据权利要求1所述的吸音式隔音板,其特征在于,在上述主体的前表面以及后表面,分别形成有向内侧突出的多个加强突起。
4.根据权利要求1所述的吸音式隔音板,其特征在于,在上述主体形成有将空间部划分成多个区域的隔壁,在上述隔壁形成有用于支承吸音材料的突出的固定导向件。
5.根据权利要求1所述的吸音式隔音板,其特征在于,形成在上述吸音材料与主体的后表面之间的共振部在500至1000Hz带域具有共振结构。
6.根据权利要求1所述的吸音式隔音板,其特征在于,上述吸音材料由烯烃类树脂形成。
7.根据权利要求1所述的吸音式隔音板,其特征在于,上述吸音材料的厚度为20至30mm。
8.根据权利要求1所述的吸音式隔音板,其特征在于,在上述主体的垂直方向的上端和下端,分别形成有紧固突起和与该紧固突起对应的紧固槽。
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KR1020090055163A KR101001217B1 (ko) | 2009-06-19 | 2009-06-19 | 흡음형 방음 패널 |
KR10-2009-0055163 | 2009-06-19 | ||
PCT/KR2010/003623 WO2010147324A2 (ko) | 2009-06-19 | 2010-06-07 | 흡음형 방음 패널 |
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EP (1) | EP2466010A4 (zh) |
JP (1) | JP2012530931A (zh) |
KR (1) | KR101001217B1 (zh) |
CN (1) | CN102449238B (zh) |
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Also Published As
Publication number | Publication date |
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KR101001217B1 (ko) | 2010-12-17 |
EP2466010A2 (en) | 2012-06-20 |
WO2010147324A3 (ko) | 2011-03-17 |
EP2466010A4 (en) | 2016-09-28 |
US20120067665A1 (en) | 2012-03-22 |
CN102449238B (zh) | 2015-08-05 |
WO2010147324A2 (ko) | 2010-12-23 |
JP2012530931A (ja) | 2012-12-06 |
US8544601B2 (en) | 2013-10-01 |
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