CN218861822U - Sound absorption and noise reduction recording wall - Google Patents
Sound absorption and noise reduction recording wall Download PDFInfo
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- CN218861822U CN218861822U CN202222948333.XU CN202222948333U CN218861822U CN 218861822 U CN218861822 U CN 218861822U CN 202222948333 U CN202222948333 U CN 202222948333U CN 218861822 U CN218861822 U CN 218861822U
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Abstract
The utility model relates to the field of sound absorption and noise reduction, in particular to a sound absorption and noise reduction recording wall body, which comprises a wall surface body; a plurality of silencing cavities are formed in one side of the wall surface body, two silencing holes are formed in one side of the wall surface body, and resonance silencing units are respectively arranged in the silencing cavities; the resonance silencing unit comprises two resonance units, two first resonance sheets and two silencing cotton, and the end parts of the first resonance sheets are symmetrically arranged on the silencing cavity respectively; the resonance unit comprises a second resonance sheet and a third resonance sheet, the second resonance sheet is fixedly connected with the top of one end of the silencing cavity, and the third resonance sheet is fixedly connected with the bottom of one end of the silencing cavity. The resonance silencing unit is arranged to enable low-frequency noise to collide with the resonance sheet of the resonance unit after entering the silencing cavity, and the energy of the noise is converted into the internal energy of the resonance sheet, so that the purpose of absorbing the low-frequency noise is achieved, and the structure is simple but very effective.
Description
Technical Field
The utility model relates to a field of making an uproar falls in the sound absorption specifically discloses a recording wall body of making an uproar falls in sound absorption.
Background
With the progress of science and technology and the continuous development of society, more and more scientific and technical products which are convenient for people to live are produced and applied to our lives, great convenience is provided for the lives of people, but the problem that a lot of noises are generated in the process of facilitating the use of people is solved, people in urban life need to endure various noises every day, various problems are brought to the lives of people, and therefore the requirements of people on environmental noise reduction are increased day by day.
Some existing video recording sound absorption and noise reduction devices mainly achieve the purpose of absorbing noise by adding various sound absorption materials, and this way is very effective for large middle-high frequency noise in some environments, for example, a composite high-temperature resistant sound absorption and noise reduction aluminum alloy panel combined wall disclosed in chinese patent No. CN215670275U only sequentially installs high-temperature resistant sound attenuation bricks and glass sound absorption cotton on one side of a reinforced concrete wall surface, and sets perforated sound absorption aluminum alloy noise reduction panels on both upper and lower sides of the high-temperature resistant sound attenuation bricks to absorb noise, but in general noise, low-frequency noise is also included in the middle-high frequency noise, and this kind of device can effectively reduce middle-high frequency noise, but neglects the absorption of low-frequency noise, so that the video recording environment with very obvious influence on low-frequency noise can reduce the sound reception quality after video recording, the wall surface can reflect noise in a relatively closed video recording environment, human ears are not very sensitive to noise, but the video recording equipment is very sensitive to low-frequency noise, some low-frequency noise can even cannot be used after video recording, and the cost of low-frequency sound recording is increased, so that a low-frequency wall body noise absorption cost is needed urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a recording wall body of making an uproar falls in sound absorption solves following technical problem:
in the video recording environment, some wall surfaces cannot absorb and reduce low-frequency noise in noise so as to influence the video recording effect.
The purpose of the utility model can be realized by the following technical proposal: a sound absorption and noise reduction video recording wall comprises a wall body;
a plurality of silencing cavities are formed in one side of the wall surface body, two silencing holes communicated with corresponding positions at two ends of each silencing cavity are formed in one side, away from the silencing cavities, of the wall surface body, and resonance silencing units are arranged in two ends of each silencing cavity respectively;
the resonance silencing unit comprises two resonance units, two first resonance sheets and two silencing cottons, the two resonance units and the two silencing cottons are sequentially arranged at intervals, the two silencing cottons are correspondingly arranged on one sides of the two resonance units close to the first resonance sheets, and the end parts of the first resonance sheets are symmetrically arranged on the top and the bottom of one end of the silencing cavity respectively;
the resonance unit includes second resonance piece and third resonance piece, the top of second resonance piece with the top fixed connection of noise elimination cavity one end, the third resonance piece with the bottom fixed connection of noise elimination cavity one end.
According to the technical scheme, the two resonance silencing units are arranged in the silencing cavity, so that after low-frequency noise enters the silencing cavity through the silencing holes, the first resonance sheet, the second resonance sheet, the third resonance sheet and the noise generate resonance and reflect the noise to the inside of the silencing cavity in sequence, the first resonance sheet, the second resonance sheet and the third resonance sheet generate resonance to convert the energy of the noise into heat energy so as to reduce the energy of the noise, the noise passes through the silencing cotton to be absorbed by medium-high frequency noise which is not completely absorbed, the reflected noise enters the silencing cavity through the two first resonance sheets, the noise enters from the two ends of the silencing cavity so that the noise entering the inside of the silencing cavity collides at the middle part of the silencing cavity, the energy of the noise is greatly reduced, and the noise is reduced.
As a further aspect of the present invention: the top and the bottom of the silencing cotton are respectively and fixedly connected with the top and the bottom of one end of the silencing cavity.
Through above technical scheme, the setting of amortization cotton makes the noise pass and will not be absorbed the well high frequency noise absorption that falls totally behind the amortization cotton.
As a further aspect of the present invention: five fourth resonance pieces are arranged on one side, far away from one side of the resonance silencing unit, of the silencing cavity at equal intervals, and one side, right opposite to the five fourth resonance pieces, of the silencing cavity is fixedly connected with the four fourth resonance pieces.
Through the technical scheme, when the reflected noise enters the silencing cavity between the two first resonance sheets, the noise enters from the two ends of the silencing cavity, so that the noise entering the silencing cavity collides in the middle of the silencing cavity, the energy of the noise is greatly reduced, the noise is reduced, and the energy of the internal energy generated by the opposite two groups of fourth resonance sheets during resonance is reduced, and the energy influencing the noise is further reduced during respective resonance, so that the purpose of reducing the noise is achieved.
As a further aspect of the present invention: one side of the wall body, which is far away from the resonance unit, is provided with a sound insulation cavity.
Through the technical scheme, the sound insulation cavity enables the noise to better enter the silencing resonance unit after being partially absorbed, and the silencing efficiency is improved.
As a further aspect of the present invention: one side of the sound insulation cavity is provided with foam glass, keels are arranged on two sides of the foam glass, and the sound absorption plate fixedly connected with one side of each keel is far away from one side of the sound insulation cavity.
Through above technical scheme, foam glass and abatvoix set up and realized the absorption to high frequency in the noise, and the fossil fragments that foam glass both sides set up have played the effect that supports foam glass.
As a further aspect of the present invention: foam glass's the equal fixedly connected with cloth that gives sound insulation in both sides, cloth that gives sound insulation keeps away from foam glass's one side with fossil fragments fixed connection.
Through above technical scheme, thereby foam glass's the influence of spilling of foam glass is inhaled sound effect to the setting of foam glass both sides sound barrier cloth.
The utility model has the advantages that:
(1) The utility model discloses a resonance noise elimination unit that sets up makes low frequency noise collide with the resonance piece of resonance unit after getting into the noise elimination cavity, thereby turns into the energy of noise the internal energy of resonance piece and reaches the purpose of absorbing low frequency noise, and simple structure is but very effective.
(2) The utility model discloses a noise elimination cavity that sets up and the hole of eliminating noise that is linked together with noise elimination cavity both ends make the two parts noise that gets into the hole of eliminating noise can assemble and bump the consumption at the middle part of noise elimination cavity one side for the noise that gets into can be reduced by the complete consumption, great improvement the efficiency of making an uproar.
(3) The utility model discloses a make the noise that gets into the noise elimination cavity mostly reflect out and consume with the resonance unit collision at two first resonance pieces that the inside reverse symmetry of noise elimination cavity set up, inside a small part gets into the noise elimination cavity, great improvement the consumption rate of noise, promoted the effect of making an uproar of falling.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic side sectional view of the whole body of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the present invention at A in FIG. 1;
FIG. 3 is a schematic view of the resonance noise elimination unit according to the present invention;
fig. 4 is a schematic structural view of one side of the wall surface body of the present invention.
Reference numerals: 1. a wall surface body; 2. a sound-deadening cavity; 21. a sound-deadening aperture; 3. a resonance noise elimination unit; 31. a resonance unit; 311. a second resonator plate; 312. a third resonator plate; 32. a first resonator plate; 33. silencing cotton; 4. a fourth resonator plate; 5. a sound-insulating cavity; 6. foam glass; 7. a keel; 8. a sound-absorbing panel; 9. a sound-insulating cloth.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides an in sound absorption and noise reduction recording wall, please refer to and show in fig. 1-4: a sound absorption and noise reduction video recording wall comprises a wall surface body 1;
a plurality of silencing cavities 2 are formed in one side of the wall surface body 1, two silencing holes 21 communicated with the corresponding positions of the two ends of each silencing cavity 2 are formed in one side, away from the silencing cavities 2, of the wall surface body 1, and resonance silencing units 3 are arranged in the two ends of each silencing cavity 2 respectively;
the resonance silencing unit 3 comprises two resonance units 31, two first resonance sheets 32 and two silencing cotton 33, the two resonance units 31 and the two silencing cotton 33 are sequentially arranged at intervals respectively, the two silencing cotton 33 are correspondingly arranged on one sides, close to the first resonance sheets 32, of the two resonance units 31 respectively, and the end parts of the first resonance sheets 32 are symmetrically arranged on the top and the bottom of one end of the silencing cavity 2 respectively;
the resonance unit 31 includes a second resonance plate 311 and a third resonance plate 312, a top of the second resonance plate 311 is fixedly connected to a top of one end of the sound-deadening cavity 2, and the third resonance plate 312 is fixedly connected to a bottom of one end of the sound-deadening cavity 2.
The top and the bottom of the silencing cotton 33 are respectively and fixedly connected with the top and the bottom of one end of the silencing cavity 2.
Five fourth resonance sheets 4 are arranged at equal intervals on one side of the silencing cavity 2 far away from one side of the resonance silencing unit 3, and one side, opposite to the five fourth resonance sheets 4, of the silencing cavity 2 is fixedly connected with the four fourth resonance sheets 4.
The wall body 1 is provided with a sound insulation cavity 5 at one side far away from the resonance unit 31.
One side of the sound insulation cavity 5 is provided with foam glass 6, the two sides of the foam glass 6 are provided with keels 7, and one side of the keel 7 far away from one side of the sound insulation cavity 5 is fixedly connected with a sound absorption plate 8.
The equal fixedly connected with soundproof cloth 9 in foam glass 6's both sides, soundproof cloth 9 keeps away from one side and fossil fragments 7 fixed connection of foam glass 6.
The two resonance silencing units 3 are arranged in the silencing cavity 2, so that after low-frequency noise enters the silencing cavity 2, the first resonance sheet 32, the second resonance sheet 311, the third resonance sheet 312 and the noise generate resonance and reflect the noise to the inside of the silencing cavity 2 in sequence, the first resonance sheet 32, the second resonance sheet 311 and the third resonance sheet 312 generate resonance to convert the energy of the noise into heat energy so as to reduce the energy of the noise, the noise passes through the silencing cotton 33 to absorb medium-high frequency noise which is not completely absorbed, the reflected noise enters the silencing cavity 2 through the space between the two first resonance sheets 32, and the noise enters from the two ends of the silencing cavity 2 so that the noise entering the inside the silencing cavity 2 collides in the middle of the silencing cavity 2, so that the energy of the noise is greatly reduced, and the noise is reduced.
The sound-deadening cotton 33 is arranged so that the noise passing through the sound-deadening cotton 33 will not be absorbed by the medium and high frequency noise completely.
When the reflected noise enters the interior of the silencing cavity 2 through the space between the two first resonance sheets 32, the noise enters from the two ends of the silencing cavity 2, so that the noise entering the interior of the silencing cavity 2 collides in the middle of the silencing cavity 2, the energy of the noise is greatly reduced, the noise is reduced, and the two groups of fourth resonance sheets 4 which are opposite enable the noise to generate energy capable of reducing the noise during resonance and generate energy capable of influencing the noise to be further weakened during respective resonance, so that the purpose of reducing the noise is achieved.
The sound-proof cavity 5 enables the noise to better enter the silencing resonance unit 31 after being partially absorbed, and the silencing efficiency is improved.
The arrangement of the foam glass 6 and the sound-absorbing plate 8 realizes the absorption of high frequency in noise, and the keels 7 arranged on two sides of the foam glass 6 play a role in supporting the foam glass 6.
The arrangement of the sound insulation cloth 9 on the two sides of the foam glass 6 avoids the leakage of the foam glass 6, thereby influencing the sound absorption effect.
The utility model discloses a theory of operation: the middle-high frequency noise in a video recording room is absorbed by arranging the foam glass 6 glass on one side of the wall body 1 and installing the sound-absorbing plate 8 on one side of the foam glass 6, the noise with the middle-high frequency after being absorbed reaches the sound-insulating cavity 5, respectively enters the sound-absorbing cavity 2 through the sound-absorbing holes 21 on one side of the wall body 1, the low-frequency noise and the second resonance sheet 311 generate resonance and reflect the noise to the third resonance sheet 312, the third resonance sheet 312 generates resonance and reflects other noise into the cavity, the sound-absorbing cotton 33 absorbs the middle-high frequency noise which is not completely absorbed again, the energy of the noise is converted into the internal energy of the resonance sheets through the resonance of the two groups of resonance units 31 to weaken the energy of the noise, when the noise reaches the position of the symmetrically arranged first resonance sheet 32, the two symmetrically and reversely arranged first resonance sheets 32 generate resonance and reflect most of the noise to collide with the two resonance units 31 arranged in front continuously, the noise at the two ends of the sound-absorbing cavity 2 respectively reaches the middle part of one side of the arranged fourth resonance sheet 4 after passing through the middle position of the two first resonance sheets 32, the two resonance sheets collide with each other, the two resonance sheets collide with each other, and the two noise is completely absorbed noise, and the noise is canceled noise is eliminated, and the noise between the two noise channels 31, and the two noise is completely consumed by the two noise.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. A sound absorption and noise reduction video recording wall is characterized by comprising a wall surface body (1);
a plurality of silencing cavities (2) are formed in one side of the wall body (1), two silencing holes (21) communicated with the corresponding positions of the two ends of the silencing cavity (2) are formed in one side, far away from the silencing cavity (2), of the wall body (1), and resonance silencing units (3) are arranged in the two ends of the silencing cavity (2) respectively;
the resonance silencing unit (3) comprises two resonance units (31), two first resonance sheets (32) and two silencing cotton (33), the two resonance units (31) and the two silencing cotton (33) are sequentially arranged at intervals respectively, the two silencing cotton (33) are correspondingly arranged on one sides, close to the first resonance sheets (32), of the two resonance units (31) respectively, and the end parts of the first resonance sheets (32) are symmetrically arranged on the top and the bottom of one end of the silencing cavity (2) respectively;
the resonance unit (31) comprises a second resonance sheet (311) and a third resonance sheet (312), the top of the second resonance sheet (311) is fixedly connected with the top of one end of the noise elimination cavity (2), and the bottom of the third resonance sheet (312) is fixedly connected with the bottom of one end of the noise elimination cavity (2).
2. The sound absorption and noise reduction video recording wall body according to claim 1, wherein the top and bottom of the sound absorption cotton (33) are fixedly connected with the top and bottom of one end of the sound absorption cavity (2) respectively.
3. The sound-absorbing noise-reducing video-recording wall body as claimed in claim 1, wherein five fourth resonance sheets (4) are arranged at equal intervals on one side of the noise-reducing cavity (2) far away from one side of the resonance noise-reducing unit (3), and one side of the noise-reducing cavity (2) opposite to the five fourth resonance sheets (4) is fixedly connected with the four fourth resonance sheets (4).
4. The sound absorption, noise reduction and video recording wall body as claimed in claim 1, wherein a sound insulation cavity (5) is arranged on one side of the wall body (1) far away from the resonance unit (31).
5. The sound absorption, noise reduction and video recording wall body as claimed in claim 4, wherein a foam glass (6) is arranged on one side of the sound insulation cavity (5), keels (7) are arranged on both sides of the foam glass (6), and a sound absorption plate (8) is fixedly connected to one side of the keel (7) far away from one side of the sound insulation cavity (5).
6. The sound absorption, noise reduction and video recording wall body as claimed in claim 5, wherein sound insulation cloth (9) is fixedly connected to both sides of the foam glass (6), and one side of the sound insulation cloth (9) far away from the foam glass (6) is fixedly connected with the keel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222948333.XU CN218861822U (en) | 2022-11-02 | 2022-11-02 | Sound absorption and noise reduction recording wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222948333.XU CN218861822U (en) | 2022-11-02 | 2022-11-02 | Sound absorption and noise reduction recording wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218861822U true CN218861822U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222948333.XU Active CN218861822U (en) | 2022-11-02 | 2022-11-02 | Sound absorption and noise reduction recording wall |
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| Country | Link |
|---|---|
| CN (1) | CN218861822U (en) |
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- 2022-11-02 CN CN202222948333.XU patent/CN218861822U/en active Active
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