CN212336369U - Space sound absorber and indoor sound absorbing system - Google Patents

Abstract

The utility model discloses a space acoustic absorber and indoor sound system of inhaling, the space acoustic absorber includes the abatvoix, it is cotton to be provided with vertical arrangement's first sound absorption cotton and transversal arrangement's second sound absorption cotton in the abatvoix, the cotton overcoat of first sound absorption has vertical arrangement's first mesh plate, the second is inhaled the cotton overcoat of sound and is covered the second mesh plate of transversal arrangement, the top of abatvoix is provided with interior adduction strake and outer adduction strake, be provided with a plurality of mounting holes on interior adduction strake and the outer adduction strake. The utility model relates to a space acoustic absorber and indoor sound system of inhaling has that sound absorption performance is good, the water absorption rate is high, installation area is little, the consumptive material is with low costs, installation labour saving and time saving's advantage.

Description

Space sound absorber and indoor sound absorbing system

Technical Field

The utility model belongs to the technical field of indoor acoustics, concretely relates to space sound absorber and indoor sound system of inhaling.

Background

The sound propagation in the room is related to the shape, size, structure and sound absorption material arrangement of the room, the listening effect reflects the subjective feeling of people, and different evaluation standards are provided for rooms with different purposes. In some places with higher requirements on sound quality, a specific sound absorption material needs to be added on the basis of the original building so as to improve the indoor acoustic environment.

Conventional sound absorbing materials generally take the following two forms:

firstly, covering a layer of sound absorption paper on the back of the perforated metal plate;

and secondly, fiber sound absorption cloth for decoration.

The two sound-absorbing materials have the defects of single sound-absorbing frequency band, high water absorption rate, easy mildew, gradual attenuation of sound-absorbing performance and the like. And conventional sound absorbing material need decorate indoor again when the installation, to some big buildings that require higher tone quality such as indoor gymnasium, too big mill of noise, big theater, library, cultural center, auditorium etc. there are the installation area big, consumptive material with high costs, the installation wastes time and energy, a great deal of defects such as installation cycle length. Therefore, it is important to find a space sound absorber and an indoor sound absorbing system which have good sound absorbing performance, low water absorption rate, small occupied area and flexible installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a space sound absorber and indoor sound absorbing system to solve the problem that the sound absorption performance that proposes among the above-mentioned background art is poor, the water absorption rate is high, installation area is big, the consumptive material is with high costs, the installation wastes time and energy, the installation cycle length.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a space sound absorber, includes the abatvoix, it inhales the sound cotton to be provided with the first sound cotton of inhaling of vertical arrangement and transverse arrangement's second in the abatvoix, the first sound cotton that inhales coats outward has the first mesh plate of vertical arrangement, the second inhales the sound cotton that coats outward has the second mesh plate of transverse arrangement.

The top of abatvoix is provided with adduction strake and outer receipts strake, be provided with a plurality of mounting holes on adduction strake and the outer receipts strake.

The sound-absorbing board comprises a vertical plate, a short transverse plate and a long transverse plate are respectively bent inwards at the top edge and the bottom edge of the vertical plate, a clamping angle is upwards arranged at the inner side edge of the long transverse plate, and a fourth covering edge is bent upwards at the inner side edge of the clamping angle.

First sound cotton and second are inhaled the sound cotton and are arranged that the L appears, first sound cotton and second are inhaled and are provided with the glue layer between the sound cotton.

The first mesh plate comprises a first mesh plate body which is vertically arranged, a first wrapping edge is bent outwards on the top edge of the first mesh plate body, and a second wrapping edge is bent outwards on the bottom edge of the first mesh plate body.

The second mesh plate comprises a second mesh plate body which is transversely arranged, a third wrapping edge is bent downwards at the inner side edge of the second mesh plate body, and the outer side edge of the second mesh plate body extends to the position between the first sound absorbing cotton and the second sound absorbing cotton.

An indoor sound absorption system comprises a roof frame formed by splicing a plurality of supporting beams, wherein at least one mounting surface is arranged on each supporting beam, and a plurality of space sound absorbers are arranged on the mounting surface along the length direction of the mounting surface.

Compared with the prior art, the utility model provides a space acoustic absorber and indoor sound absorbing system possesses following beneficial effect:

1. the space sound absorber has simple structure, is suitable for large building places with higher requirements on tone quality, can be quickly installed only by means of the existing supporting beam in the building, does not need to occupy large-area installation, reduces the material cost, saves time and labor in installation, and has higher sound absorption efficiency and good sound absorption effect because the space sound absorber has larger effective sound absorption area;

2. the utility model discloses an acoustic board adopts the metal material to make in the space acoustic absorber, and the metal material has good absorption to well high frequency channel sound, inhales the sound cotton and adopts foaming melamine combined material to make, and melamine centering low frequency sound has good absorption and water absorption rate to hang down, and both cooperate the use, can improve the sound absorption performance greatly and be good.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of an indoor sound absorption system provided by the present invention;

FIG. 2 is a schematic view of the structure of the spatial sound absorber of FIG. 1;

FIG. 3 is a schematic view of the structure of the sound-absorbing panel of FIG. 2;

FIG. 4 is a schematic view of the first mesh plate of FIG. 2;

FIG. 5 is a schematic view of the second mesh plate of FIG. 2;

FIG. 6 is an enlarged view of a portion of FIG. 2;

fig. 7 is a schematic view of the connection relationship between the spatial sound absorber and the support beam.

In the figure:

a roof frame 1;

a cross support beam 11;

a first longitudinal support beam 12;

a second longitudinal support beam 13;

a spatial sound absorber 2;

the sound-absorbing panel 21; a vertical plate 21.1; a short transverse plate 21.2; a long transverse plate 21.3; a clamping angle 21.4; the fourth edge cover 21.5;

the first sound-absorbing cotton 22;

second sound-absorbing cotton 23;

a first mesh plate 24; a first mesh panel body 24.1; a first envelope 24.2; a second bead 24.3;

a second mesh plate 25; a second mesh plate body 25.1; a third edge covering 25.2;

an adduction edging 26;

an outer edge banding 27;

a sealing strip 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an indoor sound absorption system comprises a roof frame 1 formed by splicing a plurality of I-shaped steel structural support beams, wherein each support beam is provided with at least one mounting surface, and a plurality of space sound absorbers 2 are arranged on the mounting surfaces along the length direction of the mounting surfaces;

the roof framework 1 comprises two transverse supporting beams 11 which are parallel front and back, a first longitudinal supporting beam 12 is connected between the left end and the right end of each transverse supporting beam 11, a plurality of second longitudinal supporting beams 13 which are arranged at intervals are arranged between the two first longitudinal supporting beams 12, the front end and the back end of each second longitudinal supporting beam 13 are respectively connected with the inner side surfaces of the two transverse supporting beams 11, and spatial sound absorbers 2 are arranged on the inner sides of the transverse supporting beams 11, the inner sides of the first longitudinal supporting beams 12 and the left side and the right side of each second longitudinal supporting beam 13;

the space sound absorber 2 comprises a sound absorption plate 21, wherein a first sound absorption cotton 22 and a second sound absorption cotton 23 are vertically arranged and transversely arranged in the sound absorption plate 21, a first mesh plate 24 is vertically arranged and covers the first sound absorption cotton 22, and a second mesh plate 25 is transversely arranged and covers the second sound absorption cotton 23;

an inner edge strip 26 and an outer edge strip 27 are arranged at the top of the sound-absorbing plate 21 along the length direction of the sound-absorbing plate, and a plurality of mounting holes are formed in the inner edge strip 26 and the outer edge strip 27;

the sound-absorbing plate 21 is made of a metal material, and the metal material can well absorb middle-high frequency range sound;

the first sound-absorbing cotton 22 and the second sound-absorbing cotton 23 are both made of a foamed melamine composite material, and melamine has good absorption on middle and low frequency sound;

the sound-absorbing plate 21 is similar to a C-shaped structure with an opening facing a support beam, the sound-absorbing plate 21 comprises a vertical plate 21.1, a short transverse plate 21.2 and a long transverse plate 21.3 are respectively bent inwards at the top edge and the bottom edge of the vertical plate 21.1, a clamping angle 21.4 matched with a bottom plate of the support beam is upwards arranged on the inner side edge of the long transverse plate 21.3, and a fourth wrapping edge 21.5 is bent upwards on the inner side edge of the clamping angle 21.4;

a sealing strip 28 is arranged between the clamping angle 21.4 and the bottom plate of the supporting beam;

an inward-closing edge strip 26 is arranged on the inner side edge of the short transverse plate 21.2, the inward-closing edge strip 26 is similar to a Z-shaped structure, and one transverse edge of the inward-closing edge strip 26 is connected with the bottom surface of the short transverse plate 21.2;

an outer edge banding 27 is arranged at the joint of the short transverse plate 21.2 and the vertical plate 21.1, the outer edge banding 27 is of a 7-shaped structure, and the vertical edge of the outer edge banding 27 is connected with the outer side face of the vertical plate 21.1;

the first sound absorption cotton 22 and the second sound absorption cotton 23 are arranged in an L shape, and a glue layer is arranged between the first sound absorption cotton 22 and the second sound absorption cotton 23;

the first mesh plate 24 comprises a first mesh plate body 24.1 which is vertically arranged, a first wrapping edge 24.2 is bent outwards from the top edge of the first mesh plate body 24.1, a second wrapping edge 24.3 is bent outwards from the bottom edge of the first mesh plate body 24.1, and the first wrapping edge 24.2 is matched and connected with the bottom surface of the short transverse plate 21.2;

second mesh board 25 includes transverse arrangement's second mesh board body 25.1, the inboard side downward buckling of second mesh board body 25.1 has third bordure 25.2, the lateral surface of third bordure 25.2 and the medial surface of fourth bordure 21.5 cooperate and be connected, the outside limit of second mesh board body 25.1 extends to first inhale sound cotton 22 and the second inhales between the sound cotton 23, and the extension is connected with the bottom surface cooperation of second bordure 24.3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A spatial sound absorber, characterized by: including abatvoix (21), be provided with vertical arrangement's the first sound cotton (22) of inhaling and the second of transverse arrangement inhales sound cotton (23) in abatvoix (21), first sound cotton (22) of inhaling covers outward has vertical arrangement's first mesh plate (24), the second inhales sound cotton (23) and covers outward has transverse arrangement's second mesh plate (25).

2. A spatial sound absorber according to claim 1, wherein: an inner edge strip (26) and an outer edge strip (27) are arranged at the top of the sound absorption plate (21), and a plurality of mounting holes are formed in the inner edge strip (26) and the outer edge strip (27).

3. A spatial sound absorber according to claim 1, wherein: the sound-absorbing board (21) comprises a vertical board (21.1), a short transverse board (21.2) and a long transverse board (21.3) are respectively bent inwards at the top edge and the bottom edge of the vertical board (21.1), a clamping angle (21.4) is upwards arranged at the inner side edge of the long transverse board (21.3), and a fourth covering edge (21.5) is bent upwards at the inner side edge of the clamping angle (21.4).

4. A spatial sound absorber according to claim 1, wherein: first inhale sound cotton (22) and second and inhale sound cotton (23) and be L shape and arrange, first inhale sound cotton (22) and second and inhale and be provided with the glue layer between sound cotton (23).

5. A spatial sound absorber according to claim 1, wherein: the first mesh plate (24) comprises a first mesh plate body (24.1) which is vertically arranged, a first edge covering (24.2) is bent outwards at the top edge of the first mesh plate body (24.1), and a second edge covering (24.3) is bent outwards at the bottom edge of the first mesh plate body (24.1).

6. A spatial sound absorber according to claim 1, wherein: second mesh board (25) are including transversely arranged second mesh board body (25.1), the inboard side downward buckling of second mesh board body (25.1) has the third to bordure (25.2), the outside limit of second mesh board body (25.1) extends to first inhale sound cotton (22) and the second inhale between the sound cotton (23).

7. An indoor sound absorption system, characterized in that: comprising a roof frame (1) formed by splicing a plurality of supporting beams, each supporting beam being provided with at least one mounting surface, said mounting surface being provided with a plurality of spatial sound absorbers according to any one of claims 1 to 5 along its length.

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