CN215680102U - Audio noise reduction processing device - Google Patents

Abstract

The utility model discloses an audio noise reduction processing device, which comprises a shell, wherein an audio generator is arranged in the middle of the interior of the shell, spring structures are connected between two sides of the audio generator and the inner wall of the shell, a pressing plate is fixedly connected at one end of the spring structures, which is close to the audio generator, one side of the pressing plate, which is close to the audio generator, is provided with foam, a connecting glue is arranged between the foam and the audio generator, the periphery of the interior of the shell is provided with a double-layer porous screen plate, the foam is arranged on the pressing plate of the utility model, the connecting glue is arranged between the foam and the audio generator, the connecting glue can lock the spring structures and the audio generator, the audio generator is prevented from falling off, an upper supporting plate and a lower supporting plate are not needed, and the noise caused by collision between the audio generator and the supporting plate when the audio generator vibrates is avoided, the double-layer screen plate is arranged in the utility model, the sound can be scattered to reduce noise.

Description

Audio noise reduction processing device

Technical Field

The utility model relates to the technical field of audio noise reduction, in particular to an audio noise reduction processing device.

Background

The patent with application number 202022704123.7 proposes an audio noise reduction processing device, which provides a spring structure capable of clamping for two sides of an audio generator, and provides a separation plate on the upper and lower sides to support the audio generator, but in this case, once the audio generator itself generates vibration, or the outside gives the audio generator a vibration, the collision between the audio generator and the separation plate will be caused, which easily causes larger noise, and also easily causes the damage of the audio generator.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an audio noise reduction processing device, which aims to solve the problems that once an audio generator generates vibration or the outside gives the audio generator vibration, the audio generator collides with a partition plate, larger noise is easily caused, and the audio generator is easily damaged in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an audio frequency noise reduction processing apparatus, includes the shell, be equipped with audio generator in the middle of the inside of shell, all be connected with the spring structure between audio generator's both sides and the inner wall of shell, the one end rigid coupling that the spring structure is close to audio generator has the clamp plate, the clamp plate is close to one side of audio generator and installs the bubble cotton, be equipped with between bubble cotton and the audio generator and be connected gluey, the inside periphery of shell is equipped with double-deck porous otter board.

Preferably, a sound outlet is arranged above the shell, and the porous screen plate is positioned above the inner part of the shell.

Preferably, the lower part of the outer side of the shell is provided with double-layer sound insulation boards, an interlayer is arranged between the double-layer sound insulation boards, filling cotton is arranged in the interlayer, and the porous screen plate and the sound insulation boards form a tetragonal frame.

Preferably, the spring structure comprises an outer cylinder arranged on the inner wall of the outer shell and an inner rod fixedly connected to the pressure plate, the inner rod is inserted into the outer cylinder, and a spring is sleeved outside the part of the circumference of the inner rod which is not inserted into the outer cylinder.

Preferably, one end of the inner rod inserted into the outer cylinder is provided with a limiting block.

Preferably, the outer surface of the outer cylinder is provided with a soundproof cotton layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the foam is arranged on the pressing plate, the connecting glue is arranged between the foam and the audio generator, and the connecting glue can lock the spring structure and the audio generator, so that the audio generator is prevented from falling off, a supporting plate is not needed at the upper part and the lower part, and noise caused by collision between the audio generator and the supporting plate when the audio generator vibrates is avoided;

2. the audio generator is provided with the foam, and the foam is provided with more holes, so that on one hand, noise can be absorbed, on the other hand, the foam is softer, and the pressure loss of the pressure plate 7 to the audio generator 1 is reduced;

3. the double-layer screen plate is arranged, so that sound can be scattered, and noise is reduced;

4. the sound insulation board is arranged below the sound insulation board, so that the condition that sound is transmitted downwards is reduced, the sound is guaranteed to be gathered and flow out from one place above, and the sound utilization rate is high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the spring structure of the present invention.

In the figure: 1. an audio generator; 2. a housing; 21. 3, filling cotton; 4. a sound insulating board; 5. a spring structure; 51. a soundproof cotton layer; 52. a spring; 53. an inner rod; 54. a limiting block; 55. an outer cylinder; 6. a porous mesh plate; 7. pressing a plate; 8. soaking cotton; 9. and (5) connecting glue.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, an audio noise reduction processing apparatus includes a housing 2, an audio generator 1 is disposed in the middle of the housing 2, and the audio generator 1 can emit audio as a core component of the apparatus;

with continued reference to fig. 1, spring structures 5 are connected between both sides of the audio generator 1 and the inner wall of the housing 2, and the spring structures 5 can enhance the stability of the audio generator 1, prevent the audio generator 1 from vibrating due to external vibration, and reduce noise;

as shown in fig. 1 and 2, in the present embodiment, the preferred spring structure 5 employs an outer cylinder 55 disposed on the inner wall of the housing 2 and an inner rod 53 fixed on the pressure plate 7, the inner rod 53 is inserted into the outer cylinder 55, and the outer circumference of the inner rod 53, which is not inserted into the outer cylinder 55, is sleeved with a spring 52, when the audio generator 1 vibrates, the spring 52 can be compressed or stretched, and further the inner rod 53 can approach the outer cylinder 55 or move away from the outer cylinder 55, in this way to buffer the vibration of the audio generator 1;

in order to avoid the excessive separation of the inner rod 53 from the outer cylinder 55, a limit block 54 is arranged at one end of the inner rod 53 inserted into the outer cylinder 55, and the diameter of the limit block 54 is larger than that of the inner rod 53, so that the inner rod 53 cannot be separated from the outer cylinder 55, and the continuous and stable operation of the device is ensured;

in order to prevent the noise generated by the friction between the inner rod 53 and the sleeve 55 from being spread outwards, a soundproof cotton layer 51 is provided on the outer surface of the outer cylinder 55 to perform a soundproof function;

as shown in fig. 1, in order to connect the spring structure 5 with the audio generator 1, a pressing plate 7 is fixedly connected to one end of the spring structure 5 close to the audio generator 1, foam 8 is installed on one side of the pressing plate 7 close to the audio generator 1, a connecting glue 9 is arranged between the foam 8 and the audio generator 1, the spring structure 5 and the audio generator 1 can be connected by the connecting glue 9, and a plurality of holes are formed in the foam 8 to absorb noise, and on the other hand, the foam 8 is soft to reduce the pressure loss of the pressing plate 7 to the audio generator 1;

in order to further reduce the noise generated by the audio generator 1, a double-layer porous screen plate 6 is arranged on the periphery of the inner part of the early shell 2, the porous screen plate 6 can scatter the sound, the noise outflow is reduced, and the double-layer structure effect is better;

as shown in fig. 1, in order to gather the sound at one position for sound production, a sound outlet 21 is arranged above the shell 2, and the porous mesh plate 6 is positioned above the inner part of the shell 2, so that the sound can be scattered by the porous mesh plate 6 and then sound is produced from the sound outlet 21, and the overall noise reduction effect is good;

continuing to refer to fig. 1, in order to avoid the sound emitted by the audio generator 1 from flowing out from other parts of the housing 2, a double-layer sound insulation board 4 is arranged at the lower part of the outer side of the interior of the housing 2, an interlayer is arranged between the double-layer sound insulation boards 4, the sound insulation boards 4 are used for blocking the sound emitted by the audio generator 1, so that all the sound can only flow out through the porous mesh plate 6, the sound utilization rate is high, and the effect is better due to the double-layer sound insulation boards 4;

in order to make sound more massive, the effect is better, here is equipped with the cotton 3 of packing in the intermediate layer inside, and the cotton 3 of packing can avoid double-deck acoustic celotex board 4 to be the condition of cavity, makes it be solid state, and the effect of reflection sound is better, and porous otter board 6 and acoustic celotex board 4 constitute the cubic frame.

The working principle and the using process of the utility model are as follows: when the device is used, the audio generator 1 emits sound, the sound insulation board 4 blocks the sound emitted by the audio generator 1, the filling cotton 3 can avoid the condition that the double-layer sound insulation board 4 is a cavity, so that the double-layer sound insulation board is in a solid state, the sound effect is thicker, the sound which is transmitted downwards can reach the porous screen board 6 through the blocking of the sound insulation board 4, the sound can be scattered by the porous screen board 6, and finally the sound is emitted from the sound outlet 21, so that the whole noise reduction effect is better;

when audio generator 1 vibrates, the spring can be compressed or tensile, and then interior pole can be close to the urceolus or keep away from the urceolus, cushion audio generator's vibration with this kind of mode, and noise that the friction between interior pole 53 and the sleeve 55 can be avoided in soundproof cotton layer 51 outwards propagates, be equipped with between bubble cotton 8 and the audio generator 1 and be connected gluey 9, connect gluey 9 and just can be connected spring structure 5 and audio generator 1, and here still set up bubble cotton 8, there are more holes on the bubble cotton 8, can absorb the noise, on the other hand bubble cotton 8 is softer, reduce the pressure loss of clamp plate 7 to audio generator 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An audio noise reduction processing device comprises a shell (2), wherein an audio generator (1) is arranged in the middle of the inside of the shell (2), and the audio noise reduction processing device is characterized in that: all be connected with spring structure (5) between the both sides of audio generator (1) and the inner wall of shell (2), the one end rigid coupling that spring structure (5) are close to audio generator (1) has clamp plate (7), one side that clamp plate (7) are close to audio generator (1) is installed and is steeped cotton (8), be equipped with between bubble cotton (8) and audio generator (1) and be connected gluey (9), the inside periphery of shell (2) is equipped with double-deck porous otter board (6).

2. The audio noise reduction processing apparatus according to claim 1, wherein: the upper part of the shell (2) is provided with a sound outlet (21), and the porous screen plate (6) is positioned above the inner part of the shell (2).

3. The audio noise reduction processing apparatus according to claim 2, wherein: the inside outside lower part of shell (2) is equipped with double-deck acoustic celotex board (4), is equipped with the intermediate layer between double-deck acoustic celotex board (4), and intermediate layer inside is equipped with filling cotton (3), the cubic frame is constituteed with acoustic celotex board (4) to porous otter board (6).

4. The audio noise reduction processing apparatus according to claim 1, wherein: the spring structure (5) comprises an outer barrel (55) arranged on the inner wall of the shell (2) and an inner rod (53) fixedly connected to the pressure plate (7), the inner rod (53) is inserted into the outer barrel (55), and the outer portion of the circumference of the inner rod (53) which is not inserted into the outer barrel (55) is sleeved with a spring (52).

5. The audio noise reduction processing apparatus according to claim 4, wherein: and a limiting block (54) is arranged at one end of the inner rod (53) inserted into the outer cylinder (55).

6. The audio noise reduction processing apparatus according to claim 4 or 5, wherein: and a soundproof cotton layer (51) is arranged on the outer surface of the outer cylinder (55).

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