CN222334114U - Efficient fan silencer - Google Patents
Efficient fan silencer Download PDFInfo
- Publication number
- CN222334114U CN222334114U CN202421232321.XU CN202421232321U CN222334114U CN 222334114 U CN222334114 U CN 222334114U CN 202421232321 U CN202421232321 U CN 202421232321U CN 222334114 U CN222334114 U CN 222334114U
- Authority
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- China
- Prior art keywords
- muffler
- silencing
- sound absorption
- mounting
- inner cavity
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- 230000003584 silencer Effects 0.000 title claims description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 239000011491 glass wool Substances 0.000 claims abstract description 11
- 230000030279 gene silencing Effects 0.000 claims description 34
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 abstract description 10
- 239000011521 glass Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 3
- 239000000575 pesticide Substances 0.000 abstract 1
- 230000008030 elimination Effects 0.000 description 19
- 238000003379 elimination reaction Methods 0.000 description 19
- 239000000428 dust Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 229920000742 Cotton Polymers 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Exhaust Silencers (AREA)
Abstract
The utility model relates to the technical field of muffler devices, in particular to a high-efficiency fan muffler, which comprises a fan muffler main body, wherein the muffler main body has a muffler core part, an internal common-limit type limited-resistance composite broadband muffler body is formed by compounding a resonator and a resistive sound absorption ring of a resistive sound absorption material, the cavity depth is 15cm, the pesticide thickness is 25mm, the sound absorption coefficients of the resonators with perforation rates of 06%, 1%, 12% and 6% and 2% in the frequency range of 125-400HZ are all above 07, the resonance muffler body is matched with a glass wool integrated body (density is 2skgm, surface glass is covered by a component steel plate net), the sound absorption coefficient of the resonance muffler body is above 07 in the wide frequency range of 125-8000Hz, meanwhile, the muffler made of a plurality of common-limit type limited-resistance composite broadband muffler body structures is adopted, and the combination of different plate thicknesses, perforation L diameters, different cavity depths and the like are selected, so that good sound absorption effects can be obtained in a wider frequency range.
Description
Technical Field
The utility model relates to the technical field of muffler devices, in particular to a high-efficiency fan muffler.
Background
The fan muffler is the same as the exhaust pipeline muffler and the induced-draft fan muffler in form, and adopts a resistive sound absorption and noise reduction principle with good effects on medium and high frequency broadband characteristics, a resistive sound absorption and noise reduction principle with good effects on low, medium and pulsation characteristics, and a microperforation muffler and an impedance composite muffler, wherein the resistive muffler is an absorption muffler produced, is generally divided into a straight pipe type muffler, a sheet type muffler, a folded plate type muffler, a honeycomb type muffler, a sound flow type muffler, a labyrinth type muffler, a bend type muffler and the like according to different airflow channel structures, and is characterized in that when sound waves are transmitted through porous sound absorption materials, the acoustic energy is converted into heat energy by friction and viscous resistance, so that the purpose of noise reduction is achieved;
At present, the fan can generate quite large noise in the high-speed running process, the noise interferes with normal work and rest of people, and various silencers are also provided on the world, but the effect is not ideal and the silencer has a complex structure, the maintenance cost is high, the silencing effect is poor, meanwhile, dust can be accumulated in the silencer in the long-time silencing use of the fan, the stability of the performance of the silencer can not be influenced by timely cleaning, and the service life of the silencer is further influenced.
In view of this, we propose a highly efficient fan muffler.
Disclosure of utility model
In order to make up for the defects, the utility model provides a high-efficiency fan muffler.
The technical scheme of the utility model is as follows:
The efficient fan silencer comprises a fan silencer main body and is characterized in that a silencing assembly is arranged in the fan silencer main body, a protection assembly is arranged at the input end of the silencing assembly, the silencing assembly comprises a resonator, a resistive sound absorption ring, a resonant silencing body, a glass wool integrated body and a silencing perforated plate, the side face of the silencing assembly is provided with the resonator, the front end of the resonator is provided with the resistive sound absorption ring, the front end of the resistive sound absorption ring is provided with the resonant silencing body, a connecting column is fixedly arranged at the front end of the resonant silencing body, and the front end of the connecting column is provided with the glass wool integrated body.
As the preferable technical scheme, the side face of the resonator is provided with a sound receiving groove, and the front end of the glass wool integrated body is provided with a sound elimination perforated plate.
As an optimized technical scheme, the protection component comprises a first mounting plate, a connecting inner cavity, a filter screen and a mounting hole, wherein the protection component is fixedly mounted on the side face of the protection component, a mounting end is arranged on the side face of the protection component, the first mounting plate is mounted on the side face of the mounting end, and the second mounting plate is mounted at the front end of the first mounting plate.
As the preferable technical scheme, a connecting inner cavity is arranged below the second mounting plate, a filter screen is arranged in the connecting inner cavity, and a mounting hole is formed in the front end of the connecting inner cavity.
As the preferable technical scheme, the rear end of the connecting inner cavity is provided with a protective outer wall, and the outer side of the protective outer wall is provided with an outer wall anti-corrosion coating.
As the preferable technical scheme, the right side of the protection outer wall is provided with a front mounting seat, and the side surface of the front mounting seat is provided with a mounting baffle.
As the preferable technical scheme, the inside of protection outer wall has spacing annular, the noise elimination inner chamber has been seted up to the outside of spacing annular, the side shield has been seted up to the rear end of noise elimination inner chamber, the installation base has been seted up to the below of side shield.
Compared with the prior art, the utility model has the beneficial effects that:
1. The main body of the fan muffler is characterized in that the inner common-limiting type anti-composite wide-band muffler body is formed by compounding a resonator and a resistive sound absorption ring of a resistive sound absorption material, the cavity depth is 15cm, the agriculture thickness is 25mm, the sound absorption coefficients of 1%, 12% and 2% of resonators in the frequency range of 125-400HZ are all above 07, the resonance muffler body is matched with a glass wool integrated body (density is 2skgm, glass is used for surface and is assembled with a product steel plate net), the sound absorption coefficient of the resonance muffler body in the wide frequency range of 125-8000Hz is up to above 07, meanwhile, the muffler made of a plurality of common-limiting type anti-composite wide-band muffler structures is adopted, and the combination of different plate thicknesses, L diameters of perforation holes, different cavity depths after the sound absorption holes are selected, and the like can obtain good noise elimination effect in a wider frequency range.
2. The utility model is continuously connected with the sound outlet cavity of the fan in a matched manner through the mounting hole, and is butted to the main body of the fan silencer, the first mounting plate and the second mounting plate are matched into the interior of the protection component so as to facilitate the transmission of sound, and meanwhile, the dust filter screen is arranged in the connecting cavity of the fan, so that the problem that dust is difficult to clean because the dust enters the interior of the silencer is avoided.
Drawings
FIG. 1 is a schematic view of a main body of a fan muffler according to the present utility model;
FIG. 2 is a schematic view of the outline package of the present utility model;
FIG. 3 is a schematic view of the muffler assembly of the present utility model;
fig. 4 is a schematic structural view of a protection component according to the present utility model.
In the figure, 1, a fan silencer main body, 11, a protective outer wall, 12, a limit ring groove, 13, an outer wall anti-corrosion coating, 14, a front mounting seat, 15, a mounting baffle, 16, a mounting base, 17, a side baffle, 18, a silencing inner cavity, 2, a silencing assembly, 21, a resonator, 22, a resistive sound absorption ring, 23, a resonance silencing body, 24, a glass wool integrated body, 25, a silencing perforated plate, 26, a connecting column, 27, a sound receiving groove, 3, a protective assembly, 31, a mounting plate I, 32, a mounting plate II, 33, a connecting inner cavity, 34, a filter screen, 35, a mounting hole and 36, and a mounting end.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, the present utility model provides a technical solution:
The utility model provides a high-efficient fan silencer, including fan silencer main part 1, fan silencer main part 1 internally mounted has the noise elimination subassembly 2, the protection subassembly 3 is installed to the input of noise elimination subassembly 2, noise elimination subassembly 2 is including resonator 21, resistive sound absorption ring 22, resonance noise elimination body 23, glass cotton integrated body 24, noise elimination perforated plate 25, resonator 21 is installed to the side of noise elimination subassembly 2, resistive sound absorption ring 22 is installed to the front end of resonator 21, resonant noise elimination body 23 is installed to the front end of resistive sound absorption ring 22, connecting column 26 is fixed to the front end of resonant noise elimination body 23, glass cotton integrated body 24 has been seted up to the front end of connecting column 26, radio groove 27 has been seted up to the side of resonator 21, noise elimination perforated plate 25 is installed to the front end of glass cotton integrated body 24.
The noise elimination core part of the fan silencer main body 1 is characterized in that the internal co-limiting type limited anti-composite wide-band noise elimination body is formed by compounding a resonator 21 and a resistive sound absorption ring 22 of a resistive sound absorption material, the cavity depth is 15cm, the agriculture thickness is 25mm, the perforation rate is 06%, 1%, 12%6, and the sound absorption coefficient of 2% of the resonator 21 in the frequency range of 125-400HZ is more than 07, the resonance noise elimination body 23 is matched with a glass wool integrated body 24 (density is 2skgm, surface glass is covered by a component steel plate net), the sound absorption coefficient of the resonance noise elimination body 23 in the wide frequency range of 125-8000Hz is more than 07, meanwhile, the combination of different plate thicknesses, perforation L diameters, different cavity depths and the like of the silencer made of a plurality of co-limiting type limited anti-composite wide-band noise elimination bodies is adopted, and a good noise elimination effect can be obtained in a wider frequency range.
As the preference of the embodiment, the protection component 3 comprises a first mounting plate 31, a connecting inner cavity 33, a filter screen 34 and a mounting hole 35, wherein the protection component 3 is fixedly arranged on the side surface of the protection component 3, a mounting end 36 is arranged on the side surface of the protection component 3, the first mounting plate 31 is arranged on the side surface of the mounting end 36, a second mounting plate 32 is arranged at the front end of the first mounting plate 31, the connecting inner cavity 33 is arranged below the second mounting plate 32, the filter screen 34 is arranged in the connecting inner cavity 33, and the mounting hole 35 is arranged at the front end of the connecting inner cavity 33.
It is worth noting that, through the cooperation connection of mounting hole 35 and fan play sound chamber, dock to fan silencer main part 1, inside mounting panel one 31 and mounting panel two 32 agree with into protective component 3 to the transmission to the sound, at fan connection inner chamber 33 internally mounted has dust filter screen 34 simultaneously, avoids the dust to get into the inside problem that causes the difficult clearance of silencer.
Preferably, in this embodiment, the rear end of the connecting cavity 33 is provided with a protective outer wall 11, and the outer side of the protective outer wall 11 is provided with an outer wall anti-corrosion coating 13. The right side of the protection outer wall 11 is provided with a front mounting seat 14, the side surface of the front mounting seat 14 is provided with a mounting baffle 15, the inside of the protection outer wall 11 is provided with a limiting ring groove 12, the outside of the limiting ring groove 12 is provided with a silencing inner cavity 18, the rear end of the silencing inner cavity 18 is provided with a side baffle 17, and the lower part of the side baffle 17 is provided with a mounting base 16.
In the specific use process, the inner silencing assembly 2 is protected through the protection outer wall 11, the service life of the outer wall is prolonged by the anti-corrosion coating 13 of the outer wall, and the outer wall is prevented from being corroded, so that the inner silencing efficiency is reduced.
When the efficient fan silencer is used, firstly, the silencing core part of the main body 1 of the fan silencer is a common-limit type anti-composite wide-band silencing body, the common-limit type anti-composite wide-band silencing body is formed by compositing a resonator 21 and a resistive sound absorbing ring 22 of a resistive sound absorbing material family, the cavity depth is 15cm, the agriculture thickness is 25mm, the perforation rate is 06%, 1%, 12% and 6% of the resonator 21 is more than 07, the sound absorbing coefficients of the resonator 21 in the frequency range of 125-400HZ are more than 07, the resonant silencing body 23 and a glass wool integrated body 24 (density is 2skgm, glass is used for surface treatment through a set of steel plate net), the sound absorbing coefficient of the resonant silencing body 23 is more than 07 in the wide frequency range of 125-8000Hz, meanwhile, the combination of a plurality of common-limit type anti-composite wide-band silencing bodies is adopted, different plate thicknesses, L diameters of perforation, different cavity depths and the like are selected, good silencing effects can be obtained in a wide frequency range, the installation hole 35 is matched with a fan outlet cavity of the fan to be connected with the main body 24 (density is 2 skgm), the fan outlet cavity is matched with the fan, the fan outlet cavity is connected with the fan silencer, the inside the installation plate 1 is difficult to be connected with the inside the installation plate 32, and the inside the installation plate is prevented from being connected with the inside the fan assembly 32, dust is difficult to be prevented from entering the inside the installation plate 32, and dust is difficult to be easily cleaned, and the inside the installation plate assembly is protected, and dust is difficult to be easily to be prevented from entering the inside the installation plate 32.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The efficient fan silencer comprises a fan silencer main body (1) and is characterized in that a silencing component (2) is arranged in the fan silencer main body (1), a protection component (3) is arranged at the input end of the silencing component (2), the silencing component (2) comprises a resonator (21), a resistive sound absorption ring (22), a resonance silencing body (23), a glass wool integrated body (24) and a silencing perforated plate (25), the side face of the silencing component (2) is provided with the resonator (21), the front end of the resonator (21) is provided with the resistive sound absorption ring (22), the front end of the resistive sound absorption ring (22) is provided with the resonance silencing body (23), the front end of the resonance silencing body (23) is fixedly provided with a connecting column (26), and the front end of the connecting column (26) is provided with the glass wool integrated body (24).
2. The efficient fan silencer as claimed in claim 1, wherein a sound receiving groove (27) is formed in the side face of the resonator (21), and a silencing perforated plate (25) is arranged at the front end of the glass wool integrated body (24).
3. The efficient fan silencer of claim 1, wherein the protection component (3) comprises a first mounting plate (31), a connecting inner cavity (33), a filter screen (34) and mounting holes (35), the protection component (3) is fixedly arranged on the side face of the protection component (3), a mounting end (36) is arranged on the side face of the protection component (3), the first mounting plate (31) is arranged on the side face of the mounting end (36), and a second mounting plate (32) is arranged at the front end of the first mounting plate (31).
4. The efficient fan silencer as set forth in claim 3, wherein a connecting inner cavity (33) is arranged below the second mounting plate (32), a filter screen (34) is arranged in the connecting inner cavity (33), and a mounting hole (35) is formed in the front end of the connecting inner cavity (33).
5. A high-efficiency fan muffler as set forth in claim 4, wherein a protective outer wall (11) is provided at the rear end of said connection cavity (33), and an outer wall anti-corrosion coating (13) is provided on the outer side of said protective outer wall (11).
6. The efficient fan silencer as claimed in claim 5, wherein a front mounting seat (14) is arranged on the right side of the protective outer wall (11), and a mounting baffle (15) is arranged on the side face of the front mounting seat (14).
7. The efficient fan silencer as set forth in claim 6, wherein a limiting ring groove (12) is installed in the protective outer wall (11), a silencing inner cavity (18) is formed in the outer side of the limiting ring groove (12), a side baffle (17) is formed in the rear end of the silencing inner cavity (18), and a mounting base (16) is arranged below the side baffle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421232321.XU CN222334114U (en) | 2024-05-31 | 2024-05-31 | Efficient fan silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421232321.XU CN222334114U (en) | 2024-05-31 | 2024-05-31 | Efficient fan silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222334114U true CN222334114U (en) | 2025-01-10 |
Family
ID=94146390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421232321.XU Active CN222334114U (en) | 2024-05-31 | 2024-05-31 | Efficient fan silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222334114U (en) |
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2024
- 2024-05-31 CN CN202421232321.XU patent/CN222334114U/en active Active
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