Metal ultramicropore sound absorption tab

An ultra-microporous, sound-absorbing technology, applied in building components, sound insulation, covering/lining, etc., can solve problems such as increasing engineering costs and reducing decorative effects, achieving stable and reliable performance, improved practical value, and flame retardant materials. Effect

Inactive Publication Date: 2014-03-19
NANJING CHANGRONG ACOUSTIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, in most public buildings of various types, strip ceilings, aluminum alloy sags, etc. are used to decorate the top and walls, but none of them can meet the needs of solving indoor reverberation noise. Only by adding other sound-absorbing materials can the improvement of indoor The acoustic environment increases the engineering cost and reduces the decorative effect
[0009] To sum up, the existing technology cannot have good decoration and acoustic functions at the same time. Therefore, it is urgent to develop acoustic decorative ceiling materials suitable for large public buildings to meet the decorative and acoustic functions required by large public buildings. usage requirements

Method used

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  • Metal ultramicropore sound absorption tab
  • Metal ultramicropore sound absorption tab
  • Metal ultramicropore sound absorption tab

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Taking the metal ultra-microporous sound-absorbing flap set in a science and technology museum as an example, combined with figure 1 with diagram 2-1 To illustrate, the metal ultra-microporous sound-absorbing tabs are made of aluminum alloy, and the cross-sectional shape of the metal ultra-micro-porous sound-absorbing tabs is shown in Figure 2-1. The cross-sectional size used in the exhibition halls and public walkways in the Science and Technology Museum is 50× 100mm (H), the length is 4500㎜, and the installation clearance is 150mm; the section size used in the hall is 50×200mm (H), the length is 3850㎜, and the installation clearance is 200mm; the interior is sound-absorbing partition 6, and the metal super The ultra-micro holes 8 on both sides of the micro-porous sound-absorbing flap have a diameter of 0.2mm, a perforation rate of 0.9%, and a material thickness of 0.6mm; The diameter of the ultra-micro holes 8 of the plate 6 is 0.3 mm, the perforation rate is 1.2%, ...

Embodiment 2

[0041] Taking the metal ultra-microporous sound-absorbing flaps for sound-absorbing and noise-reducing installation on the roof steel grid of a sports center as an example, combined with figure 1 , Figure 2-2 To illustrate, the metal ultra-microporous sound-absorbing tabs of the present invention are used in a total of 28,580 linear meters. The material of the metal ultra-micro-porous sound-absorbing tabs is aluminum alloy, the cross-sectional size is 100×50mm (H), and the installation clearance is 125mm , there is no sound-absorbing partition 6 inside; it is divided into two different perforation methods, one is the ultra-micro-hole 8 on the two side panels 1 of the metal ultra-micro-porous sound-absorbing tab 1. The aperture is 0.2mm, and the perforation rate is 0.9%. The thickness of the material is 0.6㎜; one kind of ultra-micro-hole 8 on both sides of the metal ultra-micro-porous sound-absorbing flap has an aperture diameter of 3mm, a perforation rate of 20%, and is fille...

Embodiment 3

[0043] Taking the metal ultra-microporous sound-absorbing flap set in a sports convention and exhibition center as an example, combining Figure 1, Figure 2-2 and image 3 To illustrate, the material of the metal ultra-microporous sound-absorbing sag is aluminum alloy, the cross-sectional size is 150×50mm, and the length is 3800~4500㎜. Micro-hole 8 has a diameter of 0.2 mm, a perforation rate of 0.9%, and a material thickness of 0.6 mm; the micro-perforation 3 on the supporting top plate 3 and the sealing cover plate 5 at both ends has an aperture of 0.3 mm, a perforation rate of 0.6%, and a material thickness of 0.5 mm. The top of the external corridor is made of metal ultra-microporous sound-absorbing flaps made of aluminum alloy, with a wedge-shaped cross-section, a height of 100mm, and a width of 75mm. The ratio is 1.1%, and the thickness of the material is 0.6mm; it is installed vertically and parallel, and the net spacing is 150mm. It is hung on the exhibition hall of the...

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Abstract

The invention discloses a metal ultramicropore sound absorption tab. The sound absorption tab comprises side panels and a top support plate, wherein ultramicropores are formed in the side panels; an inner cavity is formed by the side panels and the top support plate; partition boards are arranged in the inner cavity; clamping edges are formed on the side panels, and sealing cover plates are arranged at two ends of the inner cavity; the appearance shape of the section of the sound absorption tab can be rectangular, semi-circular-arc or wedged; and the partition boards with different shapes are arranged in the cavity as required, and the sealing cover plates are arranged at two ends of each sound absorption tab. The metal ultramicropore sound absorption tab is an acoustical decorative material, has excellent acoustic performance and good decorative effect and can meet the sound absorption, noise reducing and decoration requirements of various buildings.

Description

technical field [0001] The invention relates to a sound-absorbing and noise-reducing equipment, in particular to a metal ultra-microporous sound-absorbing flap made of a metal ultra-micro-hole plate for eliminating the reverberation sound field in a building. Background technique [0002] With the continuous improvement of urban construction and people's requirements for quality of life, the requirements for decoration design and indoor acoustic environment of large public buildings are getting higher and higher, and the functional requirements for decorative materials of large public buildings are also increasing. In addition to the function, the functional requirements of the acoustics should be taken into account. At present, aluminum strip ceilings, aluminum square ceilings, aluminum hanging pieces, etc., which are commonly used in large public buildings, do not have such functional requirements at the same time, and have different defects. [0003] At present, the repr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/84E04F13/075
Inventor 闻小明张荣初
Owner NANJING CHANGRONG ACOUSTIC INC
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