A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention provides a foamed aluminum sound absorber, and relates to the technical field of sound absorbing materials. The foamed aluminum sound absorber comprises a sound absorber body, the soundabsorber body comprises a foamed aluminum block, a punched metal plate wraps the foamed aluminum block, the thickness of the punched metal plate is 5 mm to 10 mm, a sound absorbing non-woven fabric isarranged on the inner wall of the punched metal plate, the thickness of the sound absorbing non-woven fabric is 0.06 mm to 0.08 mm, a cavity is formed between the foamed aluminum block and the punched metal plate, and the width of the cavity is 15 mm to 20 mm. The invention has the beneficial effects of being light in structure, capable of being recycled, green and environment protective, high insupporting strength and convenient to assemble and disassemble.
本发明提供一种泡沫铝吸声体，涉及吸音材料技术领域，包括吸声体本体，所述吸声体本体包括泡沫铝块，所述泡沫铝块外包裹有冲孔金属板，所述冲孔金属板的厚度是5mm~10mm，所述冲孔金属板的内壁设置有吸音无纺布，所述吸音无纺布的厚度是0.06mm~0.08mm，所述泡沫铝块与所述冲孔金属板之间设置有空腔，所述空腔的宽度是15mm~20mm。本发明的有益之处是，结构轻巧，可回收利用，绿色环保，支撑强度高，便于装拆。
The invention provides a foamed aluminum sound absorber, and relates to the technical field of sound absorbing materials. The foamed aluminum sound absorber comprises a sound absorber body, the soundabsorber body comprises a foamed aluminum block, a punched metal plate wraps the foamed aluminum block, the thickness of the punched metal plate is 5 mm to 10 mm, a sound absorbing non-woven fabric isarranged on the inner wall of the punched metal plate, the thickness of the sound absorbing non-woven fabric is 0.06 mm to 0.08 mm, a cavity is formed between the foamed aluminum block and the punched metal plate, and the width of the cavity is 15 mm to 20 mm. The invention has the beneficial effects of being light in structure, capable of being recycled, green and environment protective, high insupporting strength and convenient to assemble and disassemble.
本发明提供一种泡沫铝吸声体，涉及吸音材料技术领域，包括吸声体本体，所述吸声体本体包括泡沫铝块，所述泡沫铝块外包裹有冲孔金属板，所述冲孔金属板的厚度是5mm~10mm，所述冲孔金属板的内壁设置有吸音无纺布，所述吸音无纺布的厚度是0.06mm~0.08mm，所述泡沫铝块与所述冲孔金属板之间设置有空腔，所述空腔的宽度是15mm~20mm。本发明的有益之处是，结构轻巧，可回收利用，绿色环保，支撑强度高，便于装拆。
Foamed aluminum sound absorber
泡沫铝吸声体
YUAN WEIZHUANG (author)
2021-03-12
Patent
Electronic Resource
Chinese
Foamed aluminum sound insulation wall and construction method thereof
| European Patent Office | 2021