CN220666546U - Noise reduction device for air inlet of fan room - Google Patents
Noise reduction device for air inlet of fan room Download PDFInfo
- Publication number
- CN220666546U CN220666546U CN202322267425.6U CN202322267425U CN220666546U CN 220666546 U CN220666546 U CN 220666546U CN 202322267425 U CN202322267425 U CN 202322267425U CN 220666546 U CN220666546 U CN 220666546U
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- support frame
- frame main
- silencing
- main body
- sheet set
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- 230000030279 gene silencing Effects 0.000 claims abstract description 65
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 25
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The application relates to a fan room air intake noise reduction device, include: the support comprises a support frame main body, a rain hat, a connecting plate, a first silencing sheet set, a second silencing sheet set and a silencing plate. Through placing the support frame main part in the open top position of computer lab roofing, be provided with first sound damping sheet group and second sound damping sheet group in the support frame main part, first sound damping sheet group and second sound damping sheet group respectively set up along horizontal direction and vertical direction, noise that absorption fan air inlet that can be better produced, lay the sound damping board simultaneously in the support frame main part for the noise is not revealed all around, be provided with the rain-proof cap at the top of support frame main part, the rain-proof cap detains the top of establishing at the support frame main part, make the device also can keep working under the circumstances that the environment is abominable, wind is scraped and rain, can fall the noise that the fan produced according to each aspect of a fan room air intake noise reduction device of this application and make an uproar and handle, can satisfy again and set up its outdoor at fan room fan mouth.
Description
Technical Field
The application relates to the field of noise reduction, in particular to a fan room air inlet noise reduction device.
Background
The Roots blower is an important production device in a sewage treatment plant, is also a relatively large noise source, often causes noise pollution to the sewage treatment plant, and has various types of noise generated by the Roots blower, such as aerodynamic noise generated by exhaust air, mechanical noise generated by pipeline components of a machine shell, electromagnetic noise generated by a motor and the like. The noise value of aerodynamic noise and mechanical noise is relatively large, and the noise value can reach about 110 dB. Part old factory fan room fan mouth is roof air intake, so need with the noise reduction device installation outdoor, current fan noise reduction device mostly sets up indoor, can not satisfy the condition of setting outdoor, and the fan noise reduction device that possesses outdoor setting condition is complicated structure, is difficult to match with old factory fan room fan mouth, leads to fan room noise to leak here, influences workman physical and mental health.
Disclosure of Invention
In view of this, this application provides a fan room air intake noise reduction device, and its simple structure can enough fall the noise that the fan produced and make an uproar and handle, can satisfy again and set up it in the outdoor of fan room fan mouth.
According to an aspect of the present application, there is provided a fan room air intake noise reduction device, including: the support comprises a support frame main body, a rain hat, a connecting plate, a first silencing sheet set, a second silencing sheet set and a silencing plate.
The support frame main body is of a cuboid frame structure, the periphery of the support frame main body is in sealing arrangement, the support frame main body is suitable for being placed on an opening at the top of a machine room roof, the rain hat is buckled at the top of the support frame main body, and the top projection of the rain hat is larger than the top projection of the support frame main body; the muffler plate is paved on the inner side wall of the support frame main body; the connecting plate is arranged in the middle of the support frame main body and is arranged along the horizontal direction; the first silencing sheet set is arranged at the top of the connecting plate, the first silencing sheet set is arranged along the horizontal direction, the second silencing sheet set is arranged at the bottom of the connecting plate, and the second silencing sheet set is arranged along the vertical direction.
In one possible implementation, the rain-proof cap is a regular rectangular pyramid structure with an opening at the bottom and a hollow inside, and the bottom surface of the rain-proof cap is larger than the top of the support frame main body.
In one possible implementation manner, the bottom of the rain cap is provided with a sound absorption structure, the sound absorption structure is an inverted umbrella structure, and the sound absorption structure is fixedly connected with the top of the inner side of the rain cap through a connecting beam.
In one possible implementation manner, a partition structure is arranged in the support frame main body, the partition structure is arranged close to the top of the support frame main body, and a first preset distance is arranged between the partition structure and the top of the support frame main body, and the first preset distance is larger than the distance from the bottom of the sound absorption structure to the top of the support frame main body; the first silencing sheet set, the second silencing sheet set, the silencing plate and the connecting plate are all arranged at the bottom of the partition structure.
In one possible implementation manner, the first silencing sheet set is fixedly connected with two sides of the silencing plate, the first silencing sheet set is formed by arranging four cuboid silencing sheets up and down, and one end of the cuboid silencing sheet, which is not fixedly connected with the silencing plate, is provided with a silencing wedge.
In one possible implementation manner, the second silencing sheet set is fixedly connected with the bottom of the connecting plate, the second silencing sheet set is formed by arranging five cuboid silencing sheets left and right, and silencing wedges are arranged at the bottom of the cuboid silencing sheets.
In one possible implementation manner, the bottom of the muffler plate protrudes from the bottom of the support frame body, and the bottom of the second muffler sheet group protrudes from the bottom of the support frame body.
In one possible implementation manner, a channel steel structure is arranged around the bottom of the support frame main body, and the support frame main body is erected on the top of the channel steel structure.
In one possible implementation manner, the bottom of the support frame main body is provided with a reinforcing ring, the reinforcing ring is of a rectangular frame structure, and the reinforcing ring is arranged at the top of the channel steel structure and fixedly connected with the channel steel structure through angle steel.
In one possible implementation manner, the connecting plate is of a cuboid plate-shaped structure, the size of the top projection of the connecting plate is equal to that of the reinforcing ring, and the periphery of the connecting plate is fixedly connected with the support frame main body through angle steel.
The beneficial effects of this application: through placing the support frame main part in the open top position of computer lab roofing, be provided with first sound damping sheet group and second sound damping sheet group in the support frame main part, first sound damping sheet group and second sound damping sheet group respectively set up along horizontal direction and vertical direction, noise that absorption fan air inlet that can be better produced, lay the sound damping board simultaneously in the support frame main part for the noise is not revealed all around, be provided with the rain-proof cap at the top of support frame main part, the rain-proof cap detains the top of establishing at the support frame main part, make the device also can keep working under the circumstances that the environment is abominable, wind is scraped and rain, can fall the noise that the fan produced according to each aspect of a fan room air intake noise reduction device of this application and make an uproar and handle, can satisfy again and set up its outdoor at fan room fan mouth.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features and aspects of the present application and together with the description, serve to explain the principles of the present application.
FIG. 1 illustrates a front perspective view of a fan room air intake noise reducer of an embodiment of the present application;
fig. 2 illustrates a top perspective view of a fan room intake noise reducer of an embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It should be understood, however, that the terms "center," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description or to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
In addition, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits have not been described in detail as not to unnecessarily obscure the present application.
As shown in fig. 1-2, the fan house air intake noise reduction device includes: the waterproof cap 200, the connection plate 300, the first sound damping sheet set 500, the second sound damping sheet set 600, and the sound damping plate 400.
The support frame main body 100 is of a cuboid frame structure, the periphery of the support frame main body is in a sealed arrangement, the support frame main body 100 is suitable for being placed on an opening at the top of the machine room roof 900, the rain-proof cap 200 is buckled on the top of the support frame main body 100, and the top projection of the rain-proof cap 200 is larger than the top projection of the support frame main body 100; the muffler plate 400 is laid on the inner side walls of the periphery of the support frame main body 100; the connection plate 300 is disposed at the middle position of the support frame body 100, and the connection plate 300 is disposed in the horizontal direction; the first sound damping sheet set 500 is disposed at the top of the connection plate 300, the first sound damping sheet set 500 is disposed along a horizontal direction, the second sound damping sheet is disposed at the bottom of the connection plate 300, and the second sound damping sheet is disposed along a vertical direction.
The height direction described in this application is the up-down direction shown in fig. 1. The support frame main part 100 is the cuboid structure, and its top and bottom are the opening setting, and rain-proof cap 200 detains and establishes at support frame main part 100 top for shelter from wind and rain and dust, and connecting plate 300 sets up in support frame main part 100 middle lower position along the horizontal direction, and first sound damping fin group 500 is horizontal setting at connecting plate 300 top, and second sound damping fin group 600 is vertical setting in connecting plate 300 bottom, and sound damping plate 400 sets up around the inner circle of support frame main part 100, and its top projection is the rectangle structure.
In one possible implementation, the rain cap 200 is a hollow square pyramid structure with an opening at the bottom, and the bottom surface of the rain cap 200 is larger than the top of the support frame body 100. When the rain-proof cap 200 is disposed at the top of the support frame body 100, the top projection of the rain-proof cap 200 is greater than the top projection of the support frame body 100, the rain-proof cap 200 can cover a portion of the support frame body 100, and the rain-proof cap 200 is connected with the support frame body 100 through bolts or welded.
In one possible implementation, the bottom of the rain cap 200 is provided with a sound absorbing structure 210, the sound absorbing structure 210 is an inverted umbrella structure, and the sound absorbing structure 210 is fixedly connected with the inner top of the rain cap 200 through a connection beam. The sound absorbing structure 210 is an inverted hollow right square pyramid structure, and the sound absorbing structure 210 has a low height, and a bottom edge thereof can be attached to the rain cap 200 for absorbing sound and preventing leakage thereof through the top rain cap 200.
In one possible implementation manner, the partition structure 110 is disposed in the support frame main body 100, where the partition structure 110 is disposed near the top of the support frame main body 100 and has a first preset distance from the top of the support frame main body 100, and the first preset distance is greater than the distance from the bottom of the sound absorption structure 210 to the top of the support frame main body 100; the first and second muffler sheet groups 500 and 600, the muffler plate 400, and the connection plate 300 are all disposed at the bottom of the partition structure 110.
The first muffler sheet group 500, the second muffler sheet group 600, the muffler plate 400 and the connection plate 300 are arranged at positions which are not flush with the top of the support frame main body 100, a first preset distance is arranged between the top of the muffler plate 400 and the top of the support frame main body 100, and a cross beam is arranged at the top of the muffler plate 400 for reinforcing the support frame main body 100.
In one possible implementation manner, the first silencing sheet set 500 is fixedly connected to two sides of the silencing plate 400, the first silencing sheet set 500 is formed by arranging four cuboid silencing sheets up and down, and one end of the cuboid silencing sheet, which is not fixedly connected with the silencing plate 400, is provided with a silencing wedge.
The first muffler sheet group 500 is fixedly connected with the muffler plate 400 box support frame main body 100 around through bolts. The sound-deadening sheet is flat cuboid structure, and four cuboid sound-deadening sheets are provided with two respectively along left and right sides, and alternately set up, and cuboid sound-deadening sheet at top is provided with the noise elimination wedge with the left side, rear side and the front side fixed connection of sound-deadening board 400, and the cuboid sound-deadening sheet at top second floor is provided with the noise elimination wedge with the right side, rear side and the front side fixed connection left side of sound-deadening board 400, and the back several layers circulate in proper order. The number of the silencing sheets of the first group of silencing sheets is not limited, and the effect of absorbing noise generated by the fan can be achieved. The left and right sides are the left and right sides shown in fig. 1.
In one possible implementation manner, the second silencing sheet set 600 is fixedly connected to the bottom of the connecting plate 300, the second silencing sheet set 600 is formed by arranging five cuboid silencing sheets left and right, and silencing wedges are arranged at the bottoms of the cuboid silencing sheets. The second muffler sheet group 600 is fixedly connected with the bottom of the connection plate 300 through bolts, and the second muffler sheet group 600 is identical to the rectangular parallelepiped muffler sheet used by the first muffler sheet group 500.
In one possible implementation, the bottom of the muffler plate 400 protrudes from the bottom of the support frame body 100, and the bottom of the second muffler sheet group 600 protrudes from the bottom of the support frame body 100.
The bottoms of the muffler plate 400 and the second muffler sheet group 600 pass through the opening of the machine room roof, so that noise can be better absorbed, and the noise is not easy to leak.
In one possible implementation, the bottom of the support frame body 100 is provided with a channel structure 120 around, and the support frame body 100 is mounted on top of the channel structure 120. The bottom of support frame is fixed on channel-section steel structure 120, and channel-section steel structure 120 is fixed subaerial, and channel-section steel structure 120 is the concave surface of two channel-section steel and sets up relatively, and support frame main part 100 is fixed at outer channel-section steel structure 120 top.
In one possible implementation, the bottom of the support frame body 100 is provided with a reinforcing ring 130, and the reinforcing ring 130 is a rectangular frame structure, which is disposed at the top of the channel steel structure 120 and is fixedly connected with the channel steel structure 120 through angle steel.
The reinforcing ring 130 makes the device more stable, can adapt to the environment, and the outer lane of reinforcing ring 130 is provided with the angle steel, angle steel and inlayer channel-section steel structure 120 fixed connection.
In one possible implementation manner, the connection plate 300 is a rectangular plate structure, the size of the top projection of which is equal to the size of the reinforcing ring 130, and the periphery of the connection plate 300 is fixedly connected with the support frame main body 100 through angle steel.
The connection plate 300 is used for separating the first silencing sheet set 500 from the second silencing sheet set 600, and is used for fixing the second silencing sheet set 600, angle steel is arranged around the connection plate 300, and the angle steel is fixedly connected with the support frame main body 100 and the silencing plate 400.
It should be noted that, although the present application is described above as an example of a fan room air intake noise reduction device, those skilled in the art will understand that the present application should not be limited thereto. In fact, the user can flexibly set each parameter according to personal preference and/or actual application scene, so long as the design is reasonable.
Like this, through placing the support frame main part in the open top position of computer lab roofing, be provided with first sound damping sheet group and second sound damping sheet group in the support frame main part, first sound damping sheet group and second sound damping sheet group respectively set up along horizontal direction and vertical direction, noise that absorption fan air inlet that can be better produced, lay the sound damping board simultaneously in the support frame main part inboard for the noise is not revealed all around, be provided with the rain-proof cap at the top of support frame main part, the rain-proof cap detains and establishes at the top of support frame main part, make the device also can keep working under the circumstances that the environment is abominable, the wind is scraped and rain, can fall the noise of fan production according to the each aspect of a fan room air intake noise reduction device of this application and handle, can satisfy again and set up its outdoor at fan room fan mouth.
The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The utility model provides a fan room air intake noise reduction device which characterized in that includes: the device comprises a support frame main body, a rain cap, a connecting plate, a first silencing sheet set, a second silencing sheet set and a silencing plate;
the support frame main body is of a cuboid frame structure, the periphery of the support frame main body is in sealing arrangement, the support frame main body is suitable for being placed on an opening at the top of a machine room roof, the rain hat is buckled at the top of the support frame main body, and the top projection of the rain hat is larger than the top projection of the support frame main body;
the muffler plate is paved on the inner side wall of the support frame main body;
the connecting plate is arranged in the middle of the support frame main body and is arranged along the horizontal direction;
the first silencing sheet set is arranged at the top of the connecting plate, the first silencing sheet set is arranged along the horizontal direction, the second silencing sheet set is arranged at the bottom of the connecting plate, and the second silencing sheet set is arranged along the vertical direction.
2. The fan house air intake noise reduction device according to claim 1, wherein the rain cap is of a regular rectangular pyramid structure with an opening at the bottom and a hollow inside, and the bottom surface of the rain cap is larger than the top of the support frame main body.
3. The fan house air intake noise reduction device of claim 2, wherein a sound absorption structure is arranged at the bottom of the rain cap, the sound absorption structure is an inverted umbrella structure, and the sound absorption structure is fixedly connected with the top of the inner side of the rain cap through a connecting beam.
4. The fan house air intake noise reduction device according to claim 3, wherein a partition structure is arranged in the support frame main body, the partition structure is arranged close to the top of the support frame main body, a first preset distance is arranged between the partition structure and the top of the support frame main body, and the first preset distance is larger than the distance from the bottom of the sound absorption structure to the top of the support frame main body;
the first silencing sheet set, the second silencing sheet set, the silencing plate and the connecting plate are all arranged at the bottom of the partition structure.
5. The fan house air intake noise reduction device of claim 1, wherein the first silencing sheet set is fixedly connected with two sides of the silencing plate, the first silencing sheet set is formed by arranging four cuboid silencing sheets up and down, and one end of the cuboid silencing sheet, which is not fixedly connected with the silencing plate, is provided with a silencing wedge.
6. The fan house air intake noise reduction device of claim 5, wherein the second silencing sheet set is fixedly connected with the bottom of the connecting plate, the second silencing sheet set is formed by arranging five cuboid silencing sheets left and right, and silencing wedges are arranged at the bottom of the cuboid silencing sheets.
7. The fan house intake noise reducer of claim 6, wherein the bottom of the muffler plate protrudes from the bottom of the support frame body, and the bottom of the second muffler sheet set protrudes from the bottom of the support frame body.
8. The fan house air intake noise reducer of claim 1, wherein a channel steel structure is provided around the bottom of the support frame body, and the support frame body is erected on top of the channel steel structure.
9. The fan house air intake noise reduction device of claim 8, wherein a reinforcing ring is arranged at the bottom of the support frame main body, is of a rectangular frame structure, is arranged at the top of the channel steel structure, and is fixedly connected with the channel steel structure through angle steel.
10. The fan house air intake noise reduction device of claim 9, wherein the connecting plate is of a cuboid plate-shaped structure, the size of the top projection of the connecting plate is equal to the size of the reinforcing ring, and the periphery of the connecting plate is fixedly connected with the support frame main body through angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322267425.6U CN220666546U (en) | 2023-08-22 | 2023-08-22 | Noise reduction device for air inlet of fan room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322267425.6U CN220666546U (en) | 2023-08-22 | 2023-08-22 | Noise reduction device for air inlet of fan room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220666546U true CN220666546U (en) | 2024-03-26 |
Family
ID=90334763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322267425.6U Active CN220666546U (en) | 2023-08-22 | 2023-08-22 | Noise reduction device for air inlet of fan room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220666546U (en) |
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2023
- 2023-08-22 CN CN202322267425.6U patent/CN220666546U/en active Active
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