CN204456718U - Sound absorption furred ceiling - Google Patents

Abstract

The utility model discloses a kind of sound absorption furred ceiling, be located on ceiling, described sound absorption furred ceiling comprises sound absorption sprayed coating, hangs muscle, keel, multiple fastener and polylith aluminium sheet, described sound absorption sprayed coating is located on described ceiling, described one end of hanging muscle connects described ceiling, the other end is fixedly connected with described keel, aluminium sheet described in polylith is fixedly connected with described keel by multiple described fastener, aluminium sheet described in polylith and form a cavity between described keel, and be filled with sound absorption material in described cavity.The sound absorption furred ceiling that the utility model provides by arranging one deck sound absorption sprayed coating on the ceiling, thus makes this sound absorption furred ceiling have sound absorption reduction, and can reduce the room reverberation time.In addition, between described aluminium sheet and described keel, form cavity, and in this cavity filling sucting sound material, thus the sound absorption reduction of this sound absorption furred ceiling can be improved further, and then improve the sound absorption coefficient of this sound absorption furred ceiling, thus it is made to meet acoustical demands in sports palace.

Description

Acoustic ceiling

technical field

The utility model relates to the field of architectural decoration, in particular to a sound-absorbing ceiling.

Background technique

In the construction of the gymnasium, "listening" is a very important function. Whether a good listening environment can be provided is the key to the construction of the gymnasium.

The plane of the existing stadium is usually irregular in shape, if no acoustic treatment is done, it will form a serious vibration echo, so that when the sports competition is held in the stadium, if the reverberation time is too long, it will cause the indoor acoustics The environment is poor, which affects the transmission and prompting of instructions; in addition, when an emergency occurs in the gymnasium and emergency evacuation is required, due to the poor indoor acoustic environment, it is easy for indoor activists to be unable to hear the instructions or broadcasts in time, so that they cannot escape in time.

Therefore, how to solve the sound absorption problem of the gymnasium so as to make it meet the acoustic requirements has been a subject that people have been working on.

Utility model content

The purpose of the utility model is to provide a sound-absorbing ceiling that can solve the sound-absorbing problem of the gymnasium and make it meet the acoustic requirements.

In order to solve the above-mentioned technical problems, the utility model provides a sound-absorbing ceiling, which is installed on the ceiling. The acoustic spraying layer is arranged on the ceiling, one end of the hanging rib is connected to the ceiling, and the other end is fixedly connected to the keel, and the plurality of aluminum plates are fixedly connected to the keel through a plurality of fasteners. A cavity is formed between the aluminum plate and the keel, and the cavity is filled with sound-absorbing material.

Wherein, the sound-absorbing ceiling further includes a keel hanger, and the other end of the hanging rib is fixedly connected to the keel through the keel hanger.

Wherein, the plurality of aluminum plates are respectively arranged at intervals, and the distance between the plurality of aluminum plates is in the range of 100 mm to 200 mm.

Wherein, the plurality of aluminum plates are porous aluminum plates, and the plurality of aluminum plates have a grid-like structure.

Wherein, the thickness of the plurality of aluminum plates is 3mm.

Wherein, a plurality of the fasteners are all Z-shaped steel plates, and a plurality of the fasteners all include a first end and a second end oppositely arranged, the first end is fixedly connected with the keel, and the second end They are respectively fixedly connected with multiple aluminum plates.

Wherein, the sound-absorbing material is sound-absorbing cotton.

Wherein, the width of the cavity is larger than 3m.

In the sound-absorbing ceiling provided by the utility model, a layer of sound-absorbing spray coating is arranged on the ceiling, so that the sound-absorbing ceiling has sound-absorbing and noise-reducing properties, and can reduce indoor reverberation time. In addition, a cavity is formed between the aluminum plate and the keel, and the cavity is filled with sound-absorbing materials, thereby further improving the sound-absorbing and noise-reducing performance of the sound-absorbing ceiling, and further improving the sound-absorbing performance of the sound-absorbing ceiling. Acoustic coefficient, so that it meets the acoustic requirements in the stadium.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the implementation will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the utility model. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a sound-absorbing ceiling provided by an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to FIG. 1 , a sound-absorbing ceiling 100 provided by an embodiment of the utility model is provided on a ceiling 200 . The sound-absorbing ceiling 100 includes a sound-absorbing spray coating 10 , hanging ribs 20 , keels 30 , and multiple fasteners 40 And a plurality of aluminum plates 50 .

In this embodiment, the sound-absorbing spray layer 10 is made of a porous sound-absorbing material, and the surface of the sound-absorbing spray layer 10 formed by it has a strong sound-absorbing function. In addition, because the porous sound-absorbing material used in the sound-absorbing sprayed layer 10 has a large number of interpenetrating micropores from the surface to the inside, that is, it has a certain degree of air permeability, so that when the sound wave is incident on the When the acoustic spraying layer 10 is inside, it can cause the air in the micropores to vibrate. Due to the frictional resistance, the viscous resistance of the air and the heat conduction, a considerable part of the sound energy is converted into heat energy, thereby playing the role of sound absorption, and then making the absorption The acoustic ceiling has the function of sound absorption, so as to meet the acoustic requirements of the gymnasium.

One end of the hanger 20 is connected to the ceiling 200 . In this embodiment, the hanging bars 20 are fixedly connected to the ceiling 200 by screws to ensure the tightness of the connection.

The keel 30 is connected to the other end of the hanger 20 . In this embodiment, the keel 30 is a light steel keel, and the width of the keel 30 is 50mm, so as to reduce the overall mass of the sound-absorbing ceiling 100 and ensure its stress strength.

For further improvement, the sound-absorbing ceiling 100 further includes a keel hanger 60 , and the keel 30 is fixedly connected to the other end of the hanger 20 through the keel hanger 60 . In this embodiment, one end of the keel hanger 60 is fixedly connected to the hanging bar 20, and the other end is passed through the keel 30, and is fixedly connected to the keel 30 by screws, so that the keel 30 It is fixedly connected with the hanging bar 20. In addition, since the keel hanger 60 is screwed to the keel 30 , the position between the keel 30 and the keel hanger 60 can be adjusted, thereby facilitating maintenance. It can be understood that, in other embodiments, the keel 30 may also be welded to the keel hanger 60 .

A plurality of fasteners 40 are fixedly connected to the keel 30 . In this embodiment, the plurality of fasteners 40 are Z-shaped steel plates. Each of the plurality of fasteners 40 includes a first end 41 and a second end 42 oppositely disposed, and the first end 41 is fixedly connected to the keel 30 . Specifically, the first end 41 is fixedly connected to the keel 30 by screws, so as to ensure the tightness of the connection and at the same time facilitate disassembly and maintenance. It can be understood that, in other embodiments, the first end 41 can also be welded on the keel 30 .

For further improvement, in this embodiment, the sound-absorbing ceiling 100 further includes a keel hanger 70, the keel hanger 70 is installed on the keel 30, and the first end 41 is connected to the keel hanger 70 through a screw. It is connected with the keel 30, so that the stress strength of the keel 30 can be enhanced, so as to prolong the service life of the keel 30.

The plurality of aluminum plates 50 are fixedly connected to the keel 30 through the plurality of fasteners 40 . In this embodiment, the plurality of aluminum plates 50 are fixedly connected to the second end 42 , so that the plurality of aluminum plates 50 are connected to the keel 30 . Specifically, the plurality of aluminum plates 50 are perforated aluminum plates, and the plurality of aluminum plates 50 are all grid-shaped structures, so that the decorative effect of the sound-absorbing ceiling 100 can be enhanced, and at the same time, the sound-absorbing ceiling 100 can also be improved. The sound absorption effect of the ceiling 100. It can be understood that, in other embodiments, the plurality of aluminum plates 50 can also be in other shapes, such as a U-shaped plate structure or a square plate structure.

In this embodiment, in order to further reduce the quality of the sound-absorbing ceiling 100, the thickness of the plurality of aluminum plates 50 is 3mm. The plurality of aluminum plates 50 are arranged at intervals, and the distance between the plurality of aluminum plates 50 ranges from 100mm to 200mm, so as to further ensure the sound absorption effect of the sound-absorbing ceiling 100 and prevent the sound absorption effect caused by the plurality of aluminum plates. If the distance between the aluminum plates 50 is too large, the sound absorption effect will not be ideal, or if the distance between the multiple aluminum plates 50 is too small, the cost will be high. It can be understood that, in other embodiments, the thickness of the plurality of aluminum plates 50 can also be adjusted according to actual construction conditions, such as 4mm, 5mm or more.

A cavity 51 is formed between the plurality of aluminum plates 50 and the keel 30 , and the cavity 51 is filled with sound-absorbing material 511 . In this embodiment, the width of the cavity 51 is larger than 3m, so that the sound absorption effect of the sound-absorbing ceiling 100 can be further improved. The sound-absorbing material 511 is sound-absorbing cotton. When there is sound in the room, the sound passes through the holes on the plurality of aluminum plates 50 and enters the cavity 51, part of which is absorbed by the sound-absorbing material 511, and the other part passes through the sound-absorbing sprayed layer 10 and is further absorbed by the sound-absorbing sprayed layer 10. The above-mentioned sound-absorbing spraying layer 10 absorbs, thereby preventing the sound from forming vibrating echoes in the room, ensuring the sound-absorbing effect in the room, thereby meeting the acoustic requirements of the gymnasium. It can be understood that, in other embodiments, the width of the cavity 51 can also be adjusted according to actual construction conditions. The sound-absorbing material 511 can also be mineral wool board or pearl wool.

In the sound-absorbing ceiling provided by the utility model, a layer of sound-absorbing spray coating is arranged on the ceiling, so that the sound-absorbing ceiling has sound-absorbing and noise-reducing properties, and can reduce indoor reverberation time. In addition, a cavity is formed between the aluminum plate and the keel, and the cavity is filled with sound-absorbing materials, thereby further improving the sound-absorbing and noise-reducing performance of the sound-absorbing ceiling, and further improving the sound-absorbing performance of the sound-absorbing ceiling. Acoustic coefficient, so that it meets the acoustic requirements in the stadium.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (8)

1. A sound-absorbing ceiling, located on the ceiling, characterized in that, the sound-absorbing ceiling includes a sound-absorbing spray coating, hanging ribs, keels, a plurality of fasteners and a plurality of aluminum plates, and the sound-absorbing spray coating is located on On the ceiling, one end of the hanging rib is connected to the ceiling, and the other end is fixedly connected to the keel, and the plurality of aluminum plates are fixedly connected to the keel through a plurality of fasteners, and the plurality of aluminum plates are connected to the keel. A cavity is formed between the keels, and the cavity is filled with sound-absorbing material. 2. The sound-absorbing ceiling according to claim 1, characterized in that, the sound-absorbing ceiling further comprises a keel hanger, and the keel is fixedly connected to the other half of the hanging rib through the keel hanger. 3 . The sound-absorbing ceiling according to claim 1 , wherein the plurality of aluminum plates are arranged at intervals, and the distance between the plurality of aluminum plates ranges from 100 mm to 200 mm. 4 . 4. The sound-absorbing ceiling according to claim 1, wherein the plurality of aluminum plates are all porous aluminum plates, and the plurality of aluminum plates are in a grid-like structure. 5. The sound-absorbing ceiling according to claim 1, wherein the thickness of the plurality of aluminum plates is 3mm. 6. The sound-absorbing ceiling according to claim 1, wherein the plurality of fasteners are all zigzag steel plates, and each of the plurality of fasteners includes a first end and a second end opposite to each other, the The first end is fixedly connected to the keel, and the second ends are respectively fixedly connected to a plurality of the aluminum plates. 7. The sound-absorbing ceiling according to claim 1, wherein the sound-absorbing material is sound-absorbing cotton. 8. The sound-absorbing ceiling according to claim 1, characterized in that, the width of the cavity is greater than 3m.