CN115874727B - Clean room physical noise reduction device - Google Patents
Clean room physical noise reduction device Download PDFInfo
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- CN115874727B CN115874727B CN202211494833.9A CN202211494833A CN115874727B CN 115874727 B CN115874727 B CN 115874727B CN 202211494833 A CN202211494833 A CN 202211494833A CN 115874727 B CN115874727 B CN 115874727B
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Abstract
The application discloses a clean room physical noise reduction device, which relates to the technical field of clean room noise reduction and comprises a building column and a floor slab between the upper end and the lower end of the building column, wherein a clean room is formed between the building column and the floor slab, wall plate boxes are arranged around the inner wall of the clean room, noise reduction structures are arranged on the inner walls of the wall plate boxes, air pipes are arranged at the tops of the wall plate boxes, and sound absorption mechanisms are arranged inside the building column; the noise reduction structure is formed by splicing a plurality of noise reduction plates; a noise reduction assembly is vertically arranged in the radio strip groove; according to the application, through the cooperation of the wallboard box, the noise reduction structure and the sound absorption mechanism, equipment noise and wind noise generated during clean operation in the clean room are conveniently reduced and reduced synchronously, noise reduction treatment is conveniently carried out on the noise for a plurality of times, the condition that echo occurs in the clean room is prevented, and the noise with different frequencies of low, medium and high can be synchronously reduced; the anti-noise effect of the clean room in use is improved, so that the physical noise reduction effect of the clean room is greatly improved.
Description
Technical Field
The application relates to the technical field of clean room noise reduction, in particular to a clean room physical noise reduction device.
Background
A clean room is a room in which the concentration of airborne particles is controlled. Its construction and use should reduce indoor entrapment, generation and particle retention. Other relevant parameters in the room such as temperature, humidity, pressure and the like are controlled as required. A clean room is a special room in which the air suspended particle concentration, air temperature, humidity, pressure and other parameters need to be controlled. And it should have the effect of reducing the attractive, generation and retention of particles. The method is realized by the combined actions of the clean room shape and finishing materials, the skillful construction technology, the scientific operation management and the like which meet the process requirements through good air flow organization and effective pressure difference control;
the existing noise reduction device for the clean room is generally composed of plates or bricks with a noise reduction function, and the plates or bricks with the noise reduction function are generally made of a gap type sound absorbing material; however, the existing sound absorption and noise reduction principles are to utilize the porous structure of the sound absorption material to reduce the reflection of smooth surface sound, thereby realizing noise reduction; however, the processing operation is not conveniently caused layer by layer in a grading manner according to different noise frequencies, and meanwhile, the noise cannot be dispersed and then subjected to the diffusion noise reduction processing operation during transmission; therefore, an improvement is required to deal with the above problems.
Disclosure of Invention
The application aims to solve the defects in the prior art and provides a physical noise reduction device for a clean room.
In order to achieve the above purpose, the present application adopts the following technical scheme: the utility model provides a clean room physics noise reduction device, includes floor between building post and the upper and lower end of building post, be formed with the clean room between building post and the floor, the wallboard case is all installed around the clean room inner wall, be equipped with the structure of making an uproar on the inner wall of wallboard case, the wallboard case top runs through and is equipped with a plurality of tuber pipes, tuber pipe internally mounted has the fan, building post internally mounted has the sound absorption mechanism that is used for noise absorption;
the noise reduction structure is formed by splicing a plurality of noise reduction plates, and the noise reduction plates positioned at the corners inside the wallboard box are right-angle platy; the lower part of the overlapping part of the rear end of the noise reduction plate and the upper part of the overlapping part of the front end are fixedly connected with buckling strips with the same length, the outer part of the overlapping end of each buckling strip is protruded with an arc-shaped strip, and the inner part of the overlapping end of each buckling strip is recessed with an arc-shaped strip groove matched with the arc-shaped strip; the sound-absorbing plate is characterized in that a porous sound-absorbing plate is stuck on the outer side surface of the sound-absorbing plate, a resonance sound-absorbing structure layer is stuck on the inner side surface of the sound-absorbing plate, a layer of sound-absorbing panel is arranged on the inner side surface of the resonance sound-absorbing structure layer, a plurality of sound-receiving strip grooves are vertically formed in the inner side surface of the sound-absorbing panel at equal intervals, the inner ends of the sound-receiving strip grooves are cylindrical, and the outer ends of the sound-receiving strip grooves are rectangular open; noise reduction components for reducing noise dispersion are vertically arranged in the radio strip grooves.
Preferably, the sound absorbing mechanism comprises a sound absorbing cavity formed in a building column, a plurality of reinforcing partition blocks arranged in the sound absorbing cavity, a sound absorbing plate vertically fixedly connected between the reinforcing partition blocks and a corrugated sound absorbing plate vertically arranged in the sound absorbing cavity at two sides of the sound absorbing plate, wherein a honeycomb sound absorbing cavity is formed in the corrugated sound absorbing plate; the two ends of the corrugated sound absorbing plate are fixedly connected with sound receiving annular pipes, and sound guide holes communicated with the honeycomb sound absorbing cavities are formed in the sound receiving annular pipes at equal intervals.
Preferably, an arc-shaped turning plate is arranged at the corner between the noise reduction structure and the wallboard box, a sound-receiving anti-fouling plate is fixedly connected between the arc-shaped turning plates, and hexagonal sound-passing holes are uniformly formed in the surface of the sound-receiving anti-fouling plate; the sound-receiving anti-fouling plate is of a perforated plate type resonance sound absorption structure.
Preferably, the noise reduction assembly comprises a noise reduction pipe vertically arranged at the inner end of the sound reception strip groove, a plurality of noise reduction circular plates vertically and equidistantly horizontally arranged in the noise reduction pipe, and a single-heart gradually-extending spiral noise reduction spiral opening arranged on the surface of the noise reduction circular plate, wherein a spiral noise reduction elastic sheet is arranged at the inner part of the outer end of the noise reduction spiral opening.
Preferably, the outer wall of the pipe body, facing the opening of the sound receiving strip groove, of the noise reduction pipe is provided with a sound guide strip opening, a plurality of outwards-unfolded sound dispersion resonant plates are fixedly connected to the peripheral side of the outer wall of the noise reduction pipe, and the sound dispersion resonant plates are embedded in the sound absorption panel.
Preferably, through openings communicated with air pipes are formed in the sound-receiving anti-fouling plates on the inner top surface of the wallboard box, and the air pipes are communicated with an external air supply pipe.
Compared with the prior art, the application has the beneficial effects that: according to the application, through the cooperation of the wallboard box, the noise reduction structure and the sound absorption mechanism, equipment noise and wind noise generated during clean operation in the clean room are conveniently reduced and reduced, noise is conveniently reduced for a plurality of times, the sound insulation effect of the clean room is improved, the noise can be subjected to frequency reduction treatment, the condition that echo occurs in the clean room can be prevented, and the noise with different frequencies of low, medium and high can be synchronously received, absorbed, dispersed and reduced; the anti-noise effect of the clean room in use is improved, and the sound absorption quantity and the sound absorption coefficient of the clean room can be improved; the outside noise can be effectively prevented from entering the inside of the clean room, so that the physical noise reduction effect on the clean room is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of a front view of the present application;
FIG. 2 is a front view in cross section of the structure of the present application;
FIG. 3 is a schematic view of a connection state structure of a noise reduction plate according to the present application;
FIG. 4 is a schematic cross-sectional view of a partial structure of a noise reduction plate of the present application;
FIG. 5 is a schematic perspective view of a noise reducing tube and a noise reducing circular plate according to the present application;
FIG. 6 is a schematic view of a three-dimensional unfolding structure of a noise-reducing circular plate and a noise-reducing elastic sheet;
FIG. 7 is a schematic view of the connection structure of the corrugated acoustic panel and the acoustic loop of the present application;
FIG. 8 is a schematic top view of a sound receiving grommet according to the present application.
Number in the figure: 1. building columns; 2. a floor slab; 3. a wall panel box; 4. a noise reduction structure; 5. an air duct; 6. a blower; 7. reinforcing the spacer blocks; 8. a sound absorbing panel; 9. corrugated sound absorbing panels; 10. a radio ring pipe; 11. an arc-shaped crutch plate; 12. a sound receiving antifouling board; 401. a noise reduction plate; 402. a porous sound absorbing panel; 403. a buckling strip; 404. a resonant sound absorbing structural layer; 405. a sound absorbing panel; 406. a noise reduction tube; 407. a noise reduction circular plate; 408. a noise-reducing elastic sheet; 409. a scattered sound resonance board.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
Examples: referring to fig. 1 to 8, a clean room physical noise reduction device comprises a building column 1 and a floor slab 2 between the upper end and the lower end of the building column 1, wherein a clean room is formed between the building column 1 and the floor slab 2, a wallboard box 3 is arranged on the periphery of the inner wall of the clean room, a noise reduction structure 4 is arranged on the inner wall of the wallboard box 3, a plurality of air pipes 5 penetrate through the top of the wallboard box 3, a fan 6 is arranged in the air pipes 5, and a sound absorption mechanism for absorbing noise is arranged in the building column 1; the noise reduction structure 4 is formed by splicing a plurality of noise reduction plates 401, and the noise reduction plates 401 positioned at the corners inside the wallboard box 3 are right-angle plate-shaped; the lower part of the overlapping part of the rear end of the noise reduction plate 401 and the upper part of the overlapping part of the front end are fixedly connected with buckling strips 403 with the same length, the outer part of the overlapping end of the buckling strips 403 is protruded with arc strips, and the inner part of the overlapping end of the buckling strips 403 is recessed with arc strip grooves matched with the arc strips; the outer side surface of the noise reduction plate 401 is stuck with a porous sound absorption plate 402, the inner side surface of the noise reduction plate 401 is stuck with a resonance sound absorption structure layer 404, the inner side surface of the resonance sound absorption structure layer 404 is provided with a layer of sound absorption panel 405, the inner side surface of the sound absorption panel 405 is vertically provided with a plurality of sound receiving strip grooves at equal intervals, the inner ends of the sound receiving strip grooves are cylindrical, and the outer ends of the sound receiving strip grooves are rectangular open; a noise reduction component for reducing noise dispersion is vertically arranged in the radio strip groove; through the cooperation of the wallboard box 3, the noise reduction structure 4 and the sound absorption mechanism, equipment noise and wind noise generated during clean operation in the clean room are conveniently reduced and reduced synchronously, noise reduction treatment is conveniently carried out on the noise for a plurality of times, meanwhile, the sound insulation effect of the clean room is improved, the condition that echo occurs in the clean room due to the noise can be prevented, and the noise with different frequencies of low, medium and high can be synchronously received, absorbed, dispersed and reduced; the anti-noise effect of the clean room in use is improved, and the sound absorption quantity and the sound absorption coefficient of the clean room can be improved; the outside noise can be effectively prevented from entering the inside of the clean room, so that the physical noise reduction effect on the clean room is greatly improved.
In the application, the sound absorbing mechanism comprises a sound absorbing cavity formed in the building column 1, a plurality of reinforcing partition blocks 7 arranged in the sound absorbing cavity, a sound absorbing plate 8 vertically fixedly connected between the reinforcing partition blocks 7 and corrugated sound absorbing plates 9 vertically arranged in the sound absorbing cavity at two sides of the sound absorbing plate 8, and the corrugated sound absorbing plates 9 have high fireproof performance and good heat insulation, so that the fireproof grade reaches the grade B1 and the flame retardant performance; the noise reduction and sound insulation effects of the building column 1 can be improved, and a honeycomb sound absorption cavity is formed in the corrugated sound absorption plate 9; the two ends of the corrugated acoustic board 9 are fixedly connected with acoustic ring pipes 10, and sound guide holes communicated with the honeycomb acoustic cavities are formed in the acoustic ring pipes 10 at equal intervals; an arc-shaped turning plate 11 is arranged at the corner between the noise reduction structure 4 and the wallboard box 3, a sound-receiving and anti-fouling plate 12 is fixedly connected between the arc-shaped turning plates 11, and hexagonal sound-passing holes are uniformly formed in the surface of the sound-receiving and anti-fouling plate 12; the sound-receiving and anti-fouling plate 12 is a perforated plate type resonance sound absorption structure.
In the application, the noise reduction assembly comprises a noise reduction pipe 406 vertically arranged at the inner end of a sound receiving strip groove, a plurality of noise reduction circular plates 407 vertically and equidistantly arranged in the noise reduction pipe 406 horizontally, and a single-heart gradually-extending spiral noise reduction spiral opening arranged on the surface of the noise reduction circular plates 407, wherein a spiral noise reduction elastic sheet 408 is arranged at the inner part of the outer end of the noise reduction spiral opening; the outer wall of the pipe body of the noise reduction pipe 406 facing the opening of the sound receiving strip groove is provided with a sound guide strip opening, a plurality of outwards-unfolded sound dispersion resonance plates 409 are fixedly connected to the peripheral side of the outer wall of the noise reduction pipe 406, and the sound dispersion resonance plates 409 are embedded in the sound absorption panel 405; the sound-receiving antifouling plates 12 on the inner top surface of the wallboard box 3 are provided with through openings communicated with the air pipes 5, and the air pipes 5 are communicated with an external blast pipe; after the noise passes through the noise reduction spiral port, the noise can be reduced four times by the noise reduction elastic sheet 408, and when the noise is transmitted again by the noise reduction pipe 406, the noise is convenient to diffuse into the acoustic panel 405 through the noise dispersion resonant plate 409 on the noise reduction pipe 406, so that a further noise reduction treatment effect is achieved on the noise.
Working principle: in this embodiment, the present application further provides a method for using the physical noise reduction device for a clean room, including the following steps:
firstly, a wallboard box 3 is installed in a clean room formed by a building column 1 and a floor slab 2, then an air pipe 5 with a fan 6 is installed in the wallboard box 3, the fan 6 is fixedly communicated with external control equipment, then a noise reduction structure 4 is installed on the inner wall around the wallboard box 3, arc-shaped turning plates 11 are fixed at the corners of the wallboard box 3, and meanwhile, a sound-receiving anti-fouling plate 12 is fixed between the arc-shaped turning plates 11;
secondly, when the fan 6 is started to blow air to a user entering the clean room, noise generated when the fan 6 is started is transmitted in the wallboard box 3, the noise is primarily absorbed in a decibel mode when the noise primarily contacts the sound-receiving anti-fouling plate 12, then the noise contacts the sound-absorbing panel 405 on the inner side surface of the noise-reducing plate 401 after passing through the sound-receiving anti-fouling plate 12, secondary noise absorption of the noise is facilitated through the sound-absorbing panel 405, and part of the noise enters the noise-reducing pipe 406 through the sound-receiving strip groove;
step three, after noise enters the noise reducing pipe 406, when the noise passes through the noise reducing circular plate 407, noise is conveniently reduced and absorbed for three times through a noise reducing spiral opening in the noise reducing circular plate 407, meanwhile, when the noise passes through a noise reducing elastic sheet 408 in the noise reducing spiral opening, the bottom end of the noise reducing elastic sheet 408 in the noise reducing spiral opening is stretched downwards under the action of gravity, and further after the noise passes through the noise reducing spiral opening, the noise is subjected to four-time decibel reduction through the noise reducing elastic sheet 408, and when the noise passes through the noise reducing pipe 406 again, the noise is conveniently diffused into the sound absorbing panel 405 through a noise dispersing resonance plate 409 on the noise reducing pipe 406, so that a further noise reducing treatment effect is achieved on the noise;
step four, after the noise passes through the sound absorbing panel 405, the noise is subjected to noise reduction treatment again when passing through the resonance sound absorbing structure layer 404, meanwhile, the sound absorbing structure layer 404 has a stronger frequency sound absorbing effect due to the sound absorbing structure formed by the perforated plate and the back lining cavity, after the noise is heard through the noise reducing plate 401, the noise is subjected to sound absorbing and noise reducing treatment through the porous sound absorbing plate 402, and meanwhile, the medium-high frequency noise can be effectively absorbed;
step five, after the noise passes through the noise reduction structure 4, the noise enters the building column 1, and the noise in the clean room can be finally absorbed and reduced by the sound absorbing mechanism in the building column 1, so that the noise can be completely reduced and eliminated.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (2)
1. The utility model provides a clean room physics device of making an uproar that falls, includes floor (2) between building post (1) and building post (1) upper and lower extreme, its characterized in that: a clean room is formed between the building column (1) and the floor slab (2), wallboard boxes (3) are arranged on the periphery of the inner wall of the clean room, noise reduction structures (4) are arranged on the inner wall of each wallboard box (3), a plurality of air pipes (5) are arranged at the tops of the wallboard boxes (3) in a penetrating mode, a fan (6) is arranged in each air pipe (5), and a sound absorption mechanism for absorbing noise is arranged in each building column (1);
the noise reduction structure (4) is formed by splicing a plurality of noise reduction plates (401), and the noise reduction plates (401) positioned at the inner corners of the wallboard box (3) are right-angle platy; the lower part of the overlapping part of the rear end of the noise reduction plate (401) and the upper part of the overlapping part of the front end are fixedly connected with buckling strips (403) with the same length, the outer part of the overlapping end of the buckling strips (403) is protruded with arc strips, and the inner part of the overlapping end of the buckling strips (403) is recessed with arc strip grooves matched with the arc strips; the sound-absorbing plate is characterized in that a porous sound-absorbing plate (402) is attached to the outer side face of the noise-absorbing plate (401), a resonance sound-absorbing structure layer (404) is attached to the inner side face of the noise-absorbing plate (401), a layer of sound-absorbing panel (405) is arranged on the inner side face of the resonance sound-absorbing structure layer (404), a plurality of sound-absorbing strip grooves are vertically formed in the inner side face of the sound-absorbing panel (405) at equal intervals, the inner ends of the sound-absorbing strip grooves are cylindrical, and the outer ends of the sound-absorbing strip grooves are rectangular open; a noise reduction assembly for reducing noise dispersion is vertically arranged in the sound reception strip groove;
the sound absorbing mechanism comprises a sound absorbing cavity formed in the building column (1), a plurality of reinforcing partition blocks (7) arranged in the sound absorbing cavity, a sound absorbing plate (8) vertically fixedly connected between the reinforcing partition blocks (7) and corrugated sound absorbing plates (9) vertically arranged in the sound absorbing cavities at two sides of the sound absorbing plate (8), wherein honeycomb-shaped sound absorbing cavities are formed in the corrugated sound absorbing plates (9); the two ends of the corrugated sound-absorbing plate (9) are fixedly connected with sound-receiving annular pipes (10), and sound-guiding holes communicated with the honeycomb sound-absorbing cavities are formed in the sound-receiving annular pipes (10) at equal intervals;
an arc-shaped turning plate (11) is arranged at the corner between the noise reduction structure (4) and the wallboard box (3), a sound-receiving anti-fouling plate (12) is fixedly connected between the arc-shaped turning plates (11), and hexagonal sound-passing holes are uniformly formed in the surface of the sound-receiving anti-fouling plate (12); the sound-receiving anti-fouling plate (12) is of a perforated plate type resonance sound absorption structure;
the noise reduction assembly comprises a noise reduction pipe (406) vertically arranged at the inner end of the sound receiving strip groove, a plurality of noise reduction circular plates (407) vertically and equidistantly arranged in the noise reduction pipe (406) horizontally, and a single-heart gradually-extending spiral noise reduction spiral opening arranged on the surface of the noise reduction circular plates (407), wherein a spiral noise reduction elastic sheet (408) is arranged at the inner end of the noise reduction spiral opening;
the sound guide strip opening is formed in the outer wall of the pipe body, facing the opening of the sound receiving strip groove, of the noise reduction pipe (406), a plurality of outwards-unfolded sound dispersion resonance plates (409) are fixedly connected to the peripheral side of the outer wall of the noise reduction pipe (406), and the sound dispersion resonance plates (409) are embedded in the sound absorption panel (405).
2. A clean room physical noise reducer according to claim 1, wherein: the sound-receiving anti-fouling boards (12) on the inner top surface of the wallboard box (3) are provided with through openings communicated with the air pipes (5), and the air pipes (5) are communicated with an external air supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211494833.9A CN115874727B (en) | 2022-11-26 | 2022-11-26 | Clean room physical noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211494833.9A CN115874727B (en) | 2022-11-26 | 2022-11-26 | Clean room physical noise reduction device |
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| Publication Number | Publication Date |
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| CN115874727A CN115874727A (en) | 2023-03-31 |
| CN115874727B true CN115874727B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211494833.9A Active CN115874727B (en) | 2022-11-26 | 2022-11-26 | Clean room physical noise reduction device |
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| US5631075A (en) * | 1994-03-23 | 1997-05-20 | Nihon Cement Co., Ltd. | Heat-insulating panel serving as concrete form |
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| CN111396956A (en) * | 2020-05-07 | 2020-07-10 | 合肥柏隆科技发展有限公司 | Range hood with vibration/noise reduction structure |
| CN214574790U (en) * | 2021-04-20 | 2021-11-02 | 济南润德医用工程有限公司 | Toilet's physics falls device of making an uproar |
| CN216973800U (en) * | 2022-02-23 | 2022-07-15 | 深圳市睿维盛环保科技有限公司 | Noise reduction device for container type engine laboratory |
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2022
- 2022-11-26 CN CN202211494833.9A patent/CN115874727B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5631075A (en) * | 1994-03-23 | 1997-05-20 | Nihon Cement Co., Ltd. | Heat-insulating panel serving as concrete form |
| CN209384665U (en) * | 2018-12-20 | 2019-09-13 | 天津泰达森然工程咨询有限公司 | A kind of construction site denoising device easy to install |
| CN209444626U (en) * | 2019-01-07 | 2019-09-27 | 鹤壁市隆盛环保矿山设备有限公司 | A kind of main fan noise eliminating silencer |
| CN111396956A (en) * | 2020-05-07 | 2020-07-10 | 合肥柏隆科技发展有限公司 | Range hood with vibration/noise reduction structure |
| CN214574790U (en) * | 2021-04-20 | 2021-11-02 | 济南润德医用工程有限公司 | Toilet's physics falls device of making an uproar |
| CN216973800U (en) * | 2022-02-23 | 2022-07-15 | 深圳市睿维盛环保科技有限公司 | Noise reduction device for container type engine laboratory |
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| Title |
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