CN217481612U - Resonance noise eliminator - Google Patents
Resonance noise eliminator Download PDFInfo
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- CN217481612U CN217481612U CN202220154807.0U CN202220154807U CN217481612U CN 217481612 U CN217481612 U CN 217481612U CN 202220154807 U CN202220154807 U CN 202220154807U CN 217481612 U CN217481612 U CN 217481612U
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Abstract
The utility model discloses a resonance noise eliminator, include: a base; the two plate bodies are fixedly arranged on the base, are arranged along the vertical direction and are oppositely arranged; the two ends of each enclosing plate are respectively connected with two surfaces, opposite to the two plate bodies, a resonance cavity is formed by the two plate bodies and the enclosing plates together, and noise penetrates through one plate body and enters the resonance cavity. Through right the utility model discloses an use, provide a mobilizable noise eliminator, two plate bodys and a plurality of bounding walls form a resonance cavity jointly, and a bounding wall is installed on the base, and the noise gets into the resonance cavity through the plate body and is absorbed by the resonance cavity, and reducible noise is propagated.
Description
Technical Field
The utility model relates to a noise elimination technical field especially relates to a resonance noise eliminator.
Background
The boiler is an energy conversion device, and is mainly used for thermal power stations, ships, locomotives and industrial and mining enterprises due to high energy output. In order to fully combust the fuel in the boiler furnace, a blower is usually added. Most of blowers in the prior art adopt closed type sound insulation, but the adoption of the closed type blower can cause poor heat dissipation of a motor and even burn the motor. And when adopting open air-blower the noise is big, and the resonance of air-blower and draught fan further enlarges the noise for noise pollution is serious, produces adverse effect to the surrounding environment.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to solve the above problems, an object of the present invention is to provide a resonance muffler device, including:
a base;
the two plate bodies are fixedly arranged on the base, are arranged along the vertical direction and are oppositely arranged;
the two ends of each enclosing plate are respectively connected with two surfaces, opposite to the two plate bodies, a resonance cavity is formed by the two plate bodies and the enclosing plates together, and noise penetrates through one plate body and enters the resonance cavity.
The resonance silencer assembly as described above, wherein said base includes: the resonant cavity comprises two mounting plates and two telescopic rods, wherein one end of each telescopic rod is fixedly mounted on one mounting plate, and the other end of each telescopic rod is fixedly mounted on one surface of the surrounding plate, which is far away from the resonant cavity.
In the resonance muffling device, a plurality of bumps are arranged on one surface of one plate body away from the resonance cavity, the plurality of bumps are arranged along the vertical direction, and the cross section of the plurality of bumps along the horizontal direction is semicircular.
In the resonance muffling device, a plurality of sound-absorbing holes are formed in the surface of one of the plates and are arranged along the length direction of the bumps, each sound-absorbing hole is arranged between two bumps, and the plurality of sound-absorbing holes are communicated with the resonance cavity.
In the resonance muffler device, a plurality of dust exhaust holes are formed in the other plate body, and the dust exhaust holes are communicated with the resonance cavity.
The resonance muffler device described above further includes: the film is arranged on the surface, away from the resonance cavity, of the plate body provided with the dust exhaust hole, and the dust exhaust hole is hermetically arranged by the film.
The resonance muffler device described above further includes: the sound absorption cotton is arranged on the inner wall of the resonance cavity and the lug is far away from the surface of the plate body.
In the resonance silencer, the dust exhaust hole and the sound receiving hole penetrate through the sound absorption cotton.
Compared with the prior art, the technical scheme has the positive effects that:
through right the utility model discloses an use, provide a mobilizable noise eliminator, two plate bodys and a plurality of bounding wall form a resonance cavity jointly, and a bounding wall is installed on the base, and the noise gets into resonance cavity and is absorbed by resonance cavity through the plate body, and reducible noise is propagated.
Drawings
Fig. 1 is a schematic structural view of the resonance muffler device of the present invention.
In the drawings: 1. mounting a plate; 2. a telescopic rod; 3. a plate body; 4. a bump; 5. enclosing plates; 6. a sound receiving hole; 7. a dust exhaust hole; 8. a film; 9. and (6) sound absorption cotton.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
As shown in fig. 1, a resonance damper includes:
a base; the two plate bodies 3 are fixedly arranged on the base, the two plate bodies 3 are arranged along the vertical direction, and the two plate bodies 3 are arranged oppositely; the two ends of each enclosing plate 5 are respectively connected with two opposite surfaces of the two plate bodies 3, a resonance cavity is formed by the two plate bodies 3 and the enclosing plates 5, and noise can operatively penetrate through one plate body 3 to enter the resonance cavity.
In the in-service use process, install this noise eliminator on the base to adjust to suitable height, place a plate body 3 face the noise sound source, adjust to suitable distance, the noise gets into the resonance cavity through a plate body 3 and is absorbed by the resonance cavity, has reduced the propagation of noise.
The utility model discloses still have following embodiment on above-mentioned basis:
further, as a preferred embodiment, the base includes: two mounting panels 1 and two telescopic links 2, the one end fixed mounting of each telescopic link 2 is on a mounting panel 1, and the other end fixed mounting of each telescopic link 2 is on the surface of keeping away from the resonance cavity of a bounding wall 5.
Further, a resonance noise eliminator, a plate body 3 is provided with a plurality of lugs 4 on the surface far away from the resonance cavity, a plurality of lugs 4 all set up along vertical direction, and a plurality of lugs 4 are along the semicircular setting of horizontal direction's cross-section.
Further, a resonance noise eliminator, a plate body 3 has seted up a plurality of bloops 6 on the surface, and a plurality of bloops 6 set up along the length direction of lug 4, and each bloop 6 sets up between two lugs 4, and a plurality of bloops 6 all communicate the setting with the resonance cavity.
Further, a plurality of dust exhaust holes 7 are formed in the other plate body 3 of the resonance noise elimination device, and the dust exhaust holes 7 are communicated with the resonance cavity.
Further, a resonance noise eliminator, the dust that gets into resonance cavity accessible a plurality of dust exhaust holes 7 are discharged, prevent that the dust from influencing noise elimination effect.
Furthermore, a plurality of dust exhaust holes 7 can be formed in the coaming 5 at the lower end of the resonance silencer, so that dust can be conveniently exhausted, and meanwhile, a thin film 8 can be arranged on the surface, far away from the resonance cavity, of the coaming 5 at the lower end, so that the dust exhaust holes 7 are arranged in a sealing mode.
Further, a resonance noise damping device, still includes: and the film 8 is arranged on the surface of the other plate body 3 far away from the resonant cavity, and the dust exhaust hole 7 is hermetically arranged by the film 8.
Further, a resonance noise damping device, still includes: the sound absorption cotton 9, the sound absorption cotton 9 sets up on the inner wall of resonance cavity and the lug 4 surface far away from plate body 3.
Further, a resonance noise elimination device, a dust exhaust hole 7 and a sound collecting hole 6 penetrate through sound absorption cotton 9.
In a further embodiment of the present invention, the lower surface of the mounting plate 1 can be provided with a plurality of universal wheels, which facilitates the movement of the noise elimination device.
The utility model discloses a in the further embodiment, two plate bodies 3 and a plurality of bounding wall 5 all can be provided with certain radian, shelter from the top of air-blower, reinforcing noise cancelling effect.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (8)
1. A resonance damper, comprising:
a base;
the two plate bodies are fixedly arranged on the base, are arranged along the vertical direction and are oppositely arranged;
the two ends of each enclosing plate are respectively connected with two surfaces, opposite to the two plate bodies, a resonance cavity is formed by the two plate bodies and the enclosing plates together, and noise penetrates through one plate body and enters the resonance cavity.
2. The resonance damper of claim 1, wherein the base includes: the resonant cavity comprises two mounting plates and two telescopic rods, wherein one end of each telescopic rod is fixedly mounted on one mounting plate, and the other end of each telescopic rod is fixedly mounted on one surface of the surrounding plate, which is far away from the resonant cavity.
3. The resonant muffling device of claim 1, wherein a surface of the plate remote from the resonant cavity has a plurality of protrusions, each of the plurality of protrusions is disposed along a vertical direction, and each of the plurality of protrusions has a semicircular cross section along a horizontal direction.
4. The resonance muffling device of claim 3, wherein a plurality of sound-absorbing holes are defined in a surface of one of said plates, said plurality of sound-absorbing holes being formed along a length direction of said protrusions, each of said sound-absorbing holes being formed between two of said protrusions, said plurality of sound-absorbing holes being formed in communication with said resonance cavity.
5. The resonance noise elimination device of claim 4, wherein a plurality of dust exhaust holes are formed in the other plate body, and the plurality of dust exhaust holes are communicated with the resonance cavity.
6. The resonant muffling device of claim 5, further comprising: the film is arranged on the surface, away from the resonance cavity, of the plate body provided with the dust exhaust hole, and the dust exhaust hole is hermetically arranged by the film.
7. The resonance muffling device of claim 5, further comprising: the sound absorption cotton is arranged on the inner wall of the resonance cavity and the lug is far away from the surface of the plate body.
8. The resonance silencer assembly of claim 7, wherein said dust exhaust holes and said sound receiving hole extend through said sound absorbent wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220154807.0U CN217481612U (en) | 2022-01-20 | 2022-01-20 | Resonance noise eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220154807.0U CN217481612U (en) | 2022-01-20 | 2022-01-20 | Resonance noise eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481612U true CN217481612U (en) | 2022-09-23 |
Family
ID=83304663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220154807.0U Active CN217481612U (en) | 2022-01-20 | 2022-01-20 | Resonance noise eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481612U (en) |
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2022
- 2022-01-20 CN CN202220154807.0U patent/CN217481612U/en active Active
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