Noise-reduction structure of outside wall of building
A technology for buildings and exterior walls, which is applied to building structures, building components, and sound insulation. It can solve problems such as poor noise reduction effects on exterior walls, and achieve the effects of improving noise reduction effects and changing sound absorption effects
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Embodiment 1
[0015] Embodiment 1: as attached figure 1 Shown: The noise reduction structure of the exterior wall of the building, including a sound-absorbing unit, the sound-absorbing unit includes a box 2 fixedly installed on the outside of the wall 1, and the side of the box 2 away from the wall 1 is provided with an opening; the opening is covered with a sound-absorbing Board 5, the sound-absorbing board 5 is sealed and matched with the box body 2 through rubber pads, and the sound-absorbing board 5 is connected with the box body 2 through bolts; the interior of the sound-absorbing board 5 is provided with several water storage chambers 51, and the water storage chambers 51 are in a rectangular array distributed. The right side of the sound-absorbing panel 5 is provided with a transverse water flow channel, and the water flow channel communicates with the upper part of the water storage cavity 51 . The first water-absorbent sliver 6 and the second water-absorbent sliver 7 are arranged ...
Embodiment 2
[0017] Embodiment 2: The only difference from Embodiment 1 is that the water retaining member is a water retaining plate, and the water retaining plate is hinged to the conduit 9 .
[0018] The specific implementation process is as follows: during the day, due to the high temperature, the thermal expansion block 8 absorbs the heat outside the wall body 1 and expands, so that the moving plate 4 is away from the sound-absorbing panel 5 under the action of the thermal expansion block 8 and close to the limit Plate 3, so that the moving plate 4 separates the water retaining member from the drain hole through the ejector rod, so that the water in the conduit 9 flows into between the moving plate 4 and the limiting plate 3, and through the capillary action of the second absorbent cotton sliver 7 and siphon effect from the upper end of the second absorbent cotton 7 to the lower end, and enter the water storage chamber 51, thereby replenishing the water storage chamber 51, increasing t...
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