CN206131398U - Quincuncial pile formula silencer - Google Patents
Quincuncial pile formula silencer Download PDFInfo
- Publication number
- CN206131398U CN206131398U CN201621073387.4U CN201621073387U CN206131398U CN 206131398 U CN206131398 U CN 206131398U CN 201621073387 U CN201621073387 U CN 201621073387U CN 206131398 U CN206131398 U CN 206131398U
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- noise elimination
- unit module
- muffling unit
- noise
- elimination group
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a quincuncial pile formula silencer belongs to the silencer field, aims at solving the noise elimination problem of low frequency. Its technical scheme main points are: including a plurality of silencer unit modules and anechoic chamber, the anechoic chamber is equipped with into the sound mouth and the mouth of speaking, the silencer unit module is semi -cylindrical form, is close to the anechoic chamber is organized for first noise elimination with the silencer unit module of advancing sound mouthful vertically both sides wall, facing directly of first noise elimination inter block silencer unit module moves towards the lateral wall setting that corresponds respectively, all the other the silencer unit module is second noise elimination group, into sound mouthful setting is kept away from in facing directly of second noise elimination inter block silencer unit module, second noise elimination group is including organizing one with advancing a sound mouthful vertically noise elimination, and is adjacent noise elimination group is crisscross the setting between one.
Description
Technical field
This utility model is related to acoustic filter field, more particularly to a kind of quincuncial pile formula acoustic filter.
Background technology
At present, select as the acoustic filter in large-scale civil engineering air channel, we have strip-type silencer, array acoustic filter and folded plate type
Acoustic filter etc., strip-type silencer and array acoustic filter it is quite poor in the acoustic attenuation performance of low frequency, the resistance of folded plate type acoustic filter is damaged
Lose larger and application is limited.Solve the problems, such as that the noise elimination of low frequency becomes urgent need solution for how this designs a kind of new acoustic filter product
Problem certainly.
Utility model content
The purpose of this utility model is to provide a kind of quincuncial pile formula acoustic filter, which solves the noise elimination problem of low frequency.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of quincuncial pile formula is eliminated the noise
Device, including some muffling unit modules and dead room, the dead room are provided with inlet sound mouth and outlet sound mouth, the muffling unit module
In semi-cylindrical, the muffling unit module near the dead room two side vertical with inlet sound mouth is the first noise elimination group, described
Facing directly for first noise elimination group is respectively facing corresponding side wall setting, and remaining described muffling unit module is the second noise elimination group, described
Facing directly for second noise elimination group is arranged away from inlet sound mouth, and the second noise elimination group includes the noise elimination group one vertical with inlet sound mouth, phase
It is crisscross arranged between the adjacent noise elimination group one.
By such scheme, muffling unit module is located at interior of eliminating the noise as muffling unit, in modular form, when need
When keeping in repair to acoustic filter, it is only necessary to which the muffling unit module that certain damages is keeped in repair or changed, therefore
More standby redundancy need not be laid in, investment has been saved, muffling unit module is allowed in semi-cylindrical, near dead room and
The muffling unit module of the vertical two side of inlet sound mouth as the first noise elimination group, while noise elimination unit module in the first noise elimination group
Face directly and be respectively facing corresponding side wall and arrange, remaining muffling unit module as the second noise elimination group, and in the second noise elimination group
Facing directly for muffling unit module arrange away from inlet sound mouth, the circle for making air-flow and noise through muffling unit module is so set
Cambered surface, allows the arc surface of muffling unit module to carry out guide functions to air-flow and noise, substantially reduces drag losses, allows gas
Then stream and noise farthest through dead room can be discharged from outlet sound mouth, can so allow air-flow and noise most
The muffling unit module through interior of eliminating the noise of big degree, allows muffling unit module to fully absorb noise, this in addition
The muffling unit module of shape has made sinusoidal wave form absorbent treatment, when sound wave passes through, increased order of reflection, improves and disappear
Acoustic performance, and the impact for reducing reproduced air-flow noise is so set, while allow be crisscross arranged between noise elimination group one, so that
Muffling unit module is crisscross arranged, and the muffling unit module for so arranging farthest can either be connect with air-flow and noise
Touch, allow muffling unit module to absorb which, larger resistance will not be caused to air-flow and noise again, make sound deadening capacity more always,
The impact of high frequency failure is greatly reduced, while so the muffling unit module of distribution realizes uniform shunting to air-flow and noise
And dispersion, allow air-flow and noise to be uniformly dispersed in noise reduction room, sufficiently contacted with muffling unit module, improve noise elimination
The overall sound deadening capacity of room, substantially increases the acoustic attenuation performance on low frequency.
Further, the muffling unit inside modules are filled with aluminosilicate fiber material.
By such scheme, the muffling unit module of aluminosilicate fiber material filling, there is excellent wind erosion-resistance performance, using the longevity
Life is longer, and its fiber is evenly distributed, and is not fragile material, and preferably, which has excellent absorbing sound and lowering noise performance to toughness, can be long-term
Noise is absorbed.
Further, the shell of the muffling unit module is made up of galvanized steel plain sheet perforated plate material.
By such scheme, galvanized steel plain sheet perforated plate is the steel plate perforated plate in electroplating surface layer of metal zinc, with anti-
The effect of corrosion, and both economical practicality, are made up the shell of muffling unit module, Ke Yiti of galvanized steel plain sheet perforated plate material
The corrosion resistance of high muffling unit module, can improve the service life of muffling unit module.
Further, gap is provided between the face vertical with inlet sound mouth of the muffling unit module composition.
By such scheme, gap is provided between the face vertical with inlet sound mouth of muffling unit module composition, works as noise
Enter fashionable from inlet sound mouth with air-flow, gap can reduce muffling unit module to noise and the resistance of air-flow, can allow noise and
Air-flow preferably circulates, and improves acoustic attenuation performance.
In sum, this utility model has the advantages that：
1st, by staggered being set between muffling unit module, noise and air-flow can be allowed in noise elimination indoor distribution
Ratio it is more uniform；
2nd, by the setting of arc surface, certain guide functions can be played to noise and air-flow, while reducing to making an uproar
The resistance of sound and air-flow；
3rd, by the setting in gap, reduce the resistance to noise and air-flow.
Description of the drawings
Fig. 1 is that the present embodiment is used to embody the structural representation of dead room；
Fig. 2 is that the present embodiment is used to embody the structural representation of the first noise elimination group；
Fig. 3 is that the present embodiment is used to embody the structural representation in gap；
Fig. 4 is that the present embodiment is used to embody the structural representation of muffling unit module.
In figure, 1, dead room；11st, inlet sound mouth；12nd, outlet sound mouth；2nd, muffling unit module；21st, the first noise elimination group；22nd,
Two noise elimination groups；221st, noise elimination group one；3rd, gap.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
A kind of quincuncial pile formula acoustic filter, as illustrated in fig. 1 and 2, includes dead room 1, for providing the space eliminated the noise, is disappearing
Sound chamber 1 is provided with inlet sound mouth 11 and outlet sound mouth 12.
Some muffling unit modules 2 are provided with dead room 1, muffling unit module 2 is in semi-cylindrical, while disappearing being located at
The muffling unit module 2 of the two side vertical with inlet sound mouth 11 of sound chamber 1 is used as the first noise elimination group 21, disappearing in the first noise elimination group 21
Facing directly for sound unit module 2 is fitted with the side wall of dead room 1 respectively, arc surface towards in dead room 1, remaining muffling unit mould
Block 2 is arranged as facing directly towards outlet sound mouth 12 for the muffling unit module 2 in the second noise elimination group 22, and the second noise elimination group 22, circle
Cambered surface is arranged towards inlet sound mouth 11, and this muffling unit module 2 has made sinusoidal wave form absorbent treatment, when sound wave passes through, is increased
Order of reflection is added, has improve the acoustic attenuation performance to low frequency, the setting of arc surface in addition has been substantially reduced to air-flow and noise
Resistance.
Second noise elimination group 22 includes noise elimination group 1, and noise elimination group 1 is vertical with inlet sound mouth 11, and adjacent is disappeared
It is crisscross arranged between sound group 1, thus makes to be crisscross arranged between the muffling unit module 2 in noise elimination group 1, larger journey
That what is spent is uniformly filled with dead room 1, allows muffling unit module 2 more sufficiently to contact with air-flow and noise, improves sound deadening capacity.
Being crisscross arranged between the noise elimination group 1 and noise elimination group two of noise elimination group two so that in noise elimination group 1
Muffling unit module 2 is interlaced with the muffling unit module 2 in noise elimination group two such that it is able to make the noise elimination list in dead room 1
Element module 2 can be uniformly staggered, and then to farthest contacting into the air-flow and noise in dead room 1, raising disappears
Volume.
As shown in Figures 3 and 4, it is used to eliminate the noise filled with aluminosilicate fiber material in muffling unit module 2, which has excellent resistance to
Weathering, service life is higher, and its acoustically effective is preferable, it is possible to increase the acoustically effective of muffling unit module 2.
Gap 3 is provided between the face vertical with inlet sound mouth 11 that muffling unit module 2 is constituted, can reduce to air-flow and
The resistance of noise, allows noise and air-flow largely spread all over whole dead room 1, so as to dead room 1 in noise elimination list
Element module 2 is farthest contacted.
It is embodied as being described as follows：Air-flow and noise are entered in dead room 1 by inlet sound mouth 11 first, are arrived first at close
The arc surface of muffling unit module 2 at 1 inlet sound mouth 11 of dead room, this arc surface can carry out water conservancy diversion, air-flow to air-flow and noise
Can be disperseed by arc surface with noise, due to air-flow and noise exposure be muffling unit module 2 arc surface, then can greatly reduce
Muffling unit module 2 can allow air-flow and noise farthest to enter in dead room 1 air-flow and the resistance of noise, with
Muffling unit module 2 in dead room 1 is relatively sufficiently contacted, and air-flow and noise are through the muffling unit module near inlet sound mouth 11
After 2, next muffling unit module 2 is initially entered, due to being crisscross arranged between muffling unit module 2, then can be allowed through disappearing
The air-flow and noise of sound unit module 2 is scattered more uniform, and the muffling unit module 2 allowed in dead room 1 is with noise at utmost
Contact, realize to the maximum absorption of noise, the muffling unit module 2 for so arranging in addition will not be made to air-flow and noise
Into larger resistance, make the sound deadening capacity through muffling unit module 2 more always, greatly reduce the impact of high frequency failure, together
When so arrangement muffling unit module 2 uniform shunting is realized to air-flow and noise and is disperseed, allow air-flow and noise in noise reduction
Interior is uniformly dispersed, and is sufficiently contacted with muffling unit module 2, improves the overall sound deadening capacity of dead room 1, so as to significantly
Improve the acoustic attenuation performance on low frequency.Additionally due to muffling unit module 2 is modularity be distributed in dead room 1, when disappearing
After sound unit module 2 is damaged, it is only necessary to specific muffling unit module 2 is changed, cost has been saved.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (4)
1. a kind of quincuncial pile formula acoustic filter, including some muffling unit modules（2）And dead room（1）, the dead room（1）It is provided with
Inlet sound mouth（11）And outlet sound mouth（12）, it is characterized in that：The muffling unit module（2）In semi-cylindrical, near the dead room
（1）With inlet sound mouth（11）The muffling unit module of vertical two side（2）For the first noise elimination group（21）, the first noise elimination group
（21）Interior noise elimination unit module（2）Face directly and be respectively facing corresponding side wall and arrange, remaining described muffling unit module（2）For
Two noise elimination groups（22）, the second noise elimination group（22）Interior noise elimination unit module（2）Face directly away from inlet sound mouth（11）Arrange, it is described
Second noise elimination group（22）Include and inlet sound mouth（11）Vertical noise elimination group one（221）, the adjacent noise elimination group one（221）Between
It is crisscross arranged.
2. a kind of quincuncial pile formula acoustic filter according to claim 1, is characterized in that：The muffling unit module（2）It is internal
Filled with aluminosilicate fiber material.
3. a kind of quincuncial pile formula acoustic filter according to claim 2, is characterized in that：The muffling unit module（2）It is outer
Shell is made up of galvanized steel plain sheet perforated plate material.
4. a kind of quincuncial pile formula acoustic filter according to claim 1, is characterized in that：The adjacent noise elimination group one（221）
Between be provided with gap（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073387.4U CN206131398U (en) | 2016-09-22 | 2016-09-22 | Quincuncial pile formula silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073387.4U CN206131398U (en) | 2016-09-22 | 2016-09-22 | Quincuncial pile formula silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206131398U true CN206131398U (en) | 2017-04-26 |
Family
ID=58570393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621073387.4U Active CN206131398U (en) | 2016-09-22 | 2016-09-22 | Quincuncial pile formula silencer |
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| Country | Link |
|---|---|
| CN (1) | CN206131398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903747A (en) * | 2019-03-27 | 2019-06-18 | 广东览讯科技开发有限公司 | A kind of butterfly-like silencer |
-
2016
- 2016-09-22 CN CN201621073387.4U patent/CN206131398U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903747A (en) * | 2019-03-27 | 2019-06-18 | 广东览讯科技开发有限公司 | A kind of butterfly-like silencer |
| CN109903747B (en) * | 2019-03-27 | 2024-02-06 | 广东览讯科技开发有限公司 | Butterfly-shaped muffler |
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