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The structure classification of the sound absorbing panel is described in detail

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The structure classification of the sound absorbing panel is described in detail

Release date: 2016-11-30 Author: Click:

There are many types of sound-absorbing panel layout of his composition, and his very many types, there are acoustically sharp split, dispersion sound-absorbing panels (three-dimensional dispersion type sound-absorbing panels), aluminum honeycomb perforated sound-absorbing panels and wood perforated sound-absorbing panels.
Sound-absorbing wedge is a special sound-absorbing material for the strong sound-absorbing field. It is made of porous (or fibrous) material. It is made into cone-shaped or sharp-shaped sound absorbing body, hard sound- Acoustic wedge for strong airflow environment, the main object is high-quality anechoic chamber, the absorption of low-frequency is more useful to eliminate the standing wave to reach the needs of the eradication of echo, low cut-off frequency of sound absorption coefficient greater than 0.99, with polyester Into the V-type, W-type sound-absorbing wedge and usually sound-absorbing wedge compared with a smaller footprint and more reasonable offer and other characteristics. Dispersion sound-absorbing panels in addition to all the functions of the plane sound-absorbing panels, but also through its three-dimensional sound surface of the Pro-acoustic conduct different angles to Jacquard machine eliminate sound waves in the dispersion process of blind, improve sound quality, balance sound, A treble that compensates for a low sound.
Aluminum honeycomb perforated sound-absorbing panels are constructed with perforated panels and perforated back plates. The honeycomb core is directly bonded to the aluminum honeycomb core by means of high-quality adhesive and aluminum honeycomb core. The honeycomb core of rigid cotton oven is pasted with a sound-absorbing cloth between the panel and the back panel. . Because the honeycomb core in the honeycomb aluminum plate is divided into a lot of closed cells, it hinders the air activity, hinders the sound wave, improves the sound absorption coefficient (can reach 0.9 or above), enhances the strength of the plate itself, Can do more, and further increase the degree of freedom to plan, according to the room acoustics planning, different perforation rate planning, within a certain range of control portfolio sound absorption coefficient, both to reach planning effect, but also reasonable control cost , Through the control of perforation aperture, hole pitch, and can be based on customer needs to change the perforation rate, the maximum perforation rate of <30%, aperture is usually selected ∮2.0, ∮2.5, ∮3.0 standard backplane perforation needs and panel, Selection of high-quality non-woven materials such as sound absorption
The perforated gypsum board has a cylindrical cavity penetrating the front and the back of the gypsum board. The gypsum board is provided with an air permeable backing material and a sound absorbing material capable of absorbing the incident sound energy. The sound absorption mechanism is a material inside There are many small connected pores, sound waves along these pores can penetrate into the internal information, and the data will be the effect of the conflict of sound energy into heat. Porous absorption of sound absorption characteristics of the data is followed by the increasing frequency of sound absorption coefficient increases, which means that low-frequency absorption is not good high-frequency absorption.

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