CN207233383U - A kind of array type silencer - Google Patents
A kind of array type silencer Download PDFInfo
- Publication number
- CN207233383U CN207233383U CN201721228732.1U CN201721228732U CN207233383U CN 207233383 U CN207233383 U CN 207233383U CN 201721228732 U CN201721228732 U CN 201721228732U CN 207233383 U CN207233383 U CN 207233383U
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- unit module
- supporting rod
- fair water
- muffling unit
- water cone
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Abstract
A kind of array type silencer is the utility model is related to, including the muffling unit module of some arrays setting and supporting rod, muffling unit module are round tube shape structure.The both ends of muffling unit module are respectively equipped with fair water cone, fair water cone is fixedly connected between muffling unit module and supporting rod, and fair water cone is round table-like, and one end that fair water cone is connected with muffling unit module is fixing end, the one end being connected with supporting rod is water conservancy diversion end, and fixing end diameter is more than water conservancy diversion end diameter.The fixing end of fair water cone is equipped with outwardly extending Coupling, is threadedly coupled between Coupling and muffling unit module, and some fixing screws are equipped between the water conservancy diversion end of fair water cone and supporting rod.The section semicircular in shape of supporting rod, and the side plane of supporting rod is bonded with the water conservancy diversion end of fair water cone, half circular diameter of the supporting rod of semi-cylindrical is equal with the water conservancy diversion end diameter of fair water cone.Fair water cone in the utility model is arranged to round table-like, can effectively reduce drag losses, improves the acoustical absorptivity of this array type silencer.
Description
Technical field
It the utility model is related to noise reducing apparatus technical field, more particularly to a kind of array type silencer.
Background technology
In the engineering such as tunnel and large-scale mechanical force cooling column, the high-power blower of installation would generally produce in operation process
Loud noise, influences workers ' health, and disturbs the normal life of surrounding resident.In the construction process it is generally necessary to install sound-absorbing
Preferable silencer, sound-absorbing noise abatement, reduces noise pollution.
Authorization Notice No. is that the Chinese patent of CN101275700B discloses a kind of array muffler, by sound absorption tube body and
Stent forms, and absorbing duct body section is circle, and both ends are arc-shaped kuppe, and arc-shaped kuppe can reduce gas-flow resistance,
Improve the acoustical absorptivity of this array muffler.
But the cross sectional shape of arc-shaped kuppe disclosed in above-mentioned array muffler is circle, triangle, four sides
Shape, pentagon, hexagon or octagon, do not specifically describe the concrete structure of arc-shaped kuppe, give tacit consent to and are led using conventional
Cap is flowed, the shape of conventional fair water cone is flat, and drag losses is relatively large in practical applications.
Utility model content
The purpose of this utility model is to provide a kind of array type silencer, and the structure of its fair water cone can effectively reduce resistance
Loss, improves acoustical absorptivity.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of array type silencer, includes the muffling unit module and supporting rod of the setting of some arrays, the muffling unit
The both ends of module are respectively equipped with fair water cone, and the fair water cone is fixedly connected between muffling unit module and supporting rod, described to lead
Cap is flowed to be round table-like, and one end that the fair water cone is connected with muffling unit module is fixing end, and the one end being connected with supporting rod is
Water conservancy diversion end, the fixing end diameter are more than water conservancy diversion end diameter.
By using above-mentioned technical proposal, air-flow can be from the gap between muffling unit module by the way that air-flow is with leading
To friction is produced between cap, a part is converted to heat and is dissipated；The side of round table-like fair water cone is arc, can guarantee that from
The air-flow that all angles pass through can uniformly be spread, and reduced the drag losses and the pressure loss of fair water cone, effectively improved array
The noise elimination effect of silencer, simple in structure and positive effect；The fixing end diameter of fair water cone is more than the diameter at water conservancy diversion end, facilitates gas
Stream smoothly enters in array type silencer, avoids water conservancy diversion end excessive and influences the entrance of air-flow and disperse.
Further, Coupling, the Coupling point are equipped between the fixing end of the fair water cone and muffling unit module
Other and muffling unit module and fair water cone fixing end are threadedly coupled.
By using above-mentioned technical proposal, Coupling directly set is connected in muffling unit module and the fixing end of fair water cone,
And be connected through a screw thread and tighten fixation, realize being fixedly connected between fair water cone and muffling unit module；Using threaded connection side
Just mount and dismount, connection effect is stablized, and can be different according to different size of muffling unit module and fair water cone selection
Coupling.
Further, some fixing screws are equipped between the water conservancy diversion end of the fair water cone and supporting rod.
By using above-mentioned technical proposal, fair water cone is fixed on supporting rod using screw, it is single so as to fulfill that will eliminate the noise
Element module is fixed between supporting rod；Selection is connected using screw, convenient to disassemble muffling unit module from supporting rod,
Convenient installation and transport.
Further, the muffling unit module is round tube shape structure.
By using above-mentioned technical proposal, muffling unit module is arranged to circular tube shaped so that the side of muffling unit module
Wall is also in arc-shaped, can be dispersed by air-flow, reduces the drag losses of muffling unit module, improves array type silencer
Acoustical absorptivity.
Further, the section semicircular in shape of the supporting rod, and the water conservancy diversion end of the side plane of supporting rod and fair water cone is pasted
Close.
By using above-mentioned technical proposal, supporting rod is arranged to the shape of section semicircular in shape, side plane and fair water cone
The fitting of water conservancy diversion end, facilitate the fixation of the screw between supporting rod and fair water cone, ensure that screw can stablize installation；Supporting rod
Arcuate flanks can be dispersed by air-flow, reduces the drag losses of supporting rod, and noise elimination noise abatement is better achieved.
Further, half circular diameter of the supporting rod of the semi-cylindrical is equal with the water conservancy diversion end diameter of fair water cone.
By using above-mentioned technical proposal, the semi-circular section diameter in supporting rod section and the water conservancy diversion end diameter phase of fair water cone
Deng so that the water conservancy diversion end of fair water cone is bonded completely with the side plane of supporting rod, is ensured that the water conservancy diversion end of fair water cone is not exposed and is being propped up
Horizontal plane outside strut, avoids air-flow from hitting the water conservancy diversion end of fair water cone and increase the drag losses at water conservancy diversion end；The circular arc of supporting rod
Face is directly connected as one with the arc surface of fair water cone, realizes more preferable diffusing air current, reduces drag losses, improves noise elimination energy
Power.
Further, the muffling unit module inner wall is provided with the internal acoustical cotton for loose structure.
By using above-mentioned technical proposal, air-flow sound wave enters the inside of acoustical cotton from the hole of acoustical cotton, with suction
Friction is produced between sound cotton, fraction sound wave is converted into thermal energy consumption and is dissipated；Acoustical cotton can also stop that airflow noise wave current dissipates
Speed, extends the time that air-flow sound wave passes through array type silencer so that the air-flow sound wave through array type silencer subtracts significantly
It is small, help muffling unit module preferably to eliminate the noise noise abatement.
Further, the muffling unit module is made of foamed aluminium material.
By using above-mentioned technical proposal, foamed aluminium material is firm to be hardly damaged, and light weight and can be prevented fires, and is improved and is eliminated the noise
The service life of unit module；Foamed aluminium material has certain sound-proofing in itself, can help muffling unit module preferably
Noise elimination noise abatement, improves the acoustical absorptivity of array type silencer.
In conclusion the utility model has the advantages that：
1st, by the way that muffling unit mould fair water cone in the block is arranged to round table-like, the arcwall face of fair water cone facilitates air-flow each
Angle it is dispersed, reduce the drag losses of fair water cone, improve noise dampening efficiency；
2nd, by the way that supporting rod is arranged to the water conservancy diversion end diameter that semi-cylindrical and side plane diameter be equal to fair water cone so that branch
The curved surface that strut arcwall face is connected as a single entity with fair water cone arcwall face, facilitates the dispersed of air-flow, reduces drag losses, preferably
Noise elimination noise abatement.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of array type silencer；
Fig. 2 is a kind of sectional view of array type silencer；
Fig. 3 is a kind of configuration schematic diagram of array type silencer.
In figure, 1, muffling unit module；11st, acoustical cotton；2nd, fair water cone；21st, fixing end；22nd, water conservancy diversion end；3rd, casing；4、
Supporting rod；41st, screw；5th, shell.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of array type silencer, with reference to Fig. 1, includes the muffling unit module 1 for the circular tube shaped that some arrays are set, at this
In embodiment, muffling unit module 1 is 5 × 5 array arrangements, and is not connected between adjacent muffling unit module 1, muffling unit mould
The both ends of block 1 are respectively equipped with fair water cone 2.The both ends of muffling unit module 1 are respectively fixedly connected with two parallel supporting rods 4
On, in the present embodiment, 1 both ends of muffling unit module of each row are separately fixed on the supporting rod 4 of two root transverse directions, branch
The left and right ends of strut 4 are fixed on shell 5 by screw 41, convenient installation, dismounting and transport.Air-flow can be in supporting rod 4
And flowed in the gap of muffling unit module 1.
With reference to Fig. 2 and Fig. 3, fair water cone 2 is round table-like, and the air-flow that its arcwall face ensures to pass through from all angles can be uniform
Diffusion, reduces the drag losses and the pressure loss of fair water cone 2, effectively improves the noise elimination effect of array type silencer.Fair water cone 2 wraps
Fixing end 21 and water conservancy diversion end 22 are included, and the diameter of fixing end 21 is more than the diameter at water conservancy diversion end 22.The fixing end 21 of fair water cone 2 and disappear
Coupling is equipped between sound unit module 1, in the present embodiment, Coupling is both ends open and the casing 3 that is internally threaded,
The both ends of casing 3 are threadedly coupled with muffling unit module 1 and the fixing end of fair water cone 2 21 respectively, are easy for installation and removal, and
Different casings 3 can be selected according to the muffling unit module 1 and fair water cone 2 of different-diameter.
With reference to Fig. 2 and Fig. 3, the water conservancy diversion end 22 of fair water cone 2 is fixedly connected by screw 41 with supporting rod 4, and screw 41 connects
Facilitate installation and removal of the fair water cone 2 on supporting rod 4, that is, facilitate the installation and removal of muffling unit module 1.Supporting rod 4
Section semicircular in shape, and side plane is bonded with the water conservancy diversion end 22 of fair water cone 2, the diameter of 4 side plane of supporting rod and leading for fair water cone 2
It is equal to flow 22 diameter of end so that the curved surface that the arcwall face of supporting rod 4 is connected as one with the arcwall face of fair water cone 2, facilitates air-flow
It is dispersed.
With reference to Fig. 2 and Fig. 3,1 inner wall of muffling unit module is provided with the internal acoustical cotton 11 for loose structure, air-flow sound wave
The inside of acoustical cotton 11 is entered from the hole of acoustical cotton 11, friction is produced between acoustical cotton 11, by fraction sound wave
It is converted into thermal energy consumption to dissipate, helps muffling unit module 1 preferably to eliminate the noise noise abatement.In the present embodiment, muffling unit module 1 by
Foamed aluminium material is made, and foamed aluminium material is firm to be hardly damaged, and light weight and can prevent fires, and improves making for muffling unit module 1
Use the service life；Foamed aluminium material has certain sound-proofing in itself, and muffling unit module 1 can be helped preferably to eliminate the noise noise abatement, carried
The acoustical absorptivity of high array type silencer.
The operation principle application method of the utility model：
When this array type silencer is installed, first the left and right ends of supporting rod 4 are fixed on shell 5 using screw 41, then
The both ends of casing 3 are threadedly coupled in muffling unit module 1 and the fixing end 21 of fair water cone 2 respectively, finally leading both ends
The water conservancy diversion end 22 of stream cap 2 is fixedly attached on supporting rod 4 by screw 41, the side plane of supporting rod 4 and the water conservancy diversion end of fair water cone 2
22 fittings.
Air-flow flows between supporting rod 4 and muffling unit module 1, strikes supporting rod 4, fair water cone 2 and eliminates the noise single
During element module 1, curved surface and the curved surface of muffling unit module 1 that the arcwall face of supporting rod 4 is connected into the arcwall face of fair water cone 2
By air-flow it is dispersed fall, reduce drag losses, noise abatement of preferably eliminating the noise.4 air-flow of supporting rod and supporting rod 4 and fair water cone 2 it
Between produce friction, a part of air-flow is converted into heat and dissipates, and helps muffling unit module 1 to eliminate the noise.Air-flow sound wave is from sound-absorbing
The inside of acoustical cotton 11 is entered in the hole of cotton 11, friction is produced between acoustical cotton 11, fraction sound wave is converted into
Thermal energy consumption dissipates, and foamed aluminium material also absorbs fraction sound wave, common to help muffling unit module 1 to eliminate the noise, and improves array
The acoustical absorptivity of silencer.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. a kind of array type silencer, including the muffling unit module that some arrays are set（1）And supporting rod（4）, its feature exists
In：The muffling unit module（1）Both ends be respectively equipped with fair water cone（2）, the fair water cone（2）It is fixedly connected on muffling unit
Module（1）And supporting rod（4）Between, the fair water cone（2）To be round table-like, the fair water cone（2）With muffling unit module（1）Even
The one end connect is fixing end（21）, with supporting rod（4）One end of connection is water conservancy diversion end（22）, the fixing end（21）Diameter is more than
Water conservancy diversion end（22）Diameter.
A kind of 2. array type silencer according to claim 1, it is characterised in that：The fair water cone（2）Fixing end
（21）With muffling unit module（1）Between be equipped with Coupling, the Coupling respectively with muffling unit module（1）And fair water cone
（2）Fixing end（21）It is threadedly coupled.
A kind of 3. array type silencer according to claim 2, it is characterised in that：The fair water cone（2）Water conservancy diversion end
（22）And supporting rod（4）Between be equipped with some fixing screws（41）.
A kind of 4. array type silencer according to claim 3, it is characterised in that：The muffling unit module（1）For circle
Tubular structure.
A kind of 5. array type silencer according to claim 4, it is characterised in that：The supporting rod（4）Section in half
Circle, and supporting rod（4）Side plane and fair water cone（2）Water conservancy diversion end（22）Fitting.
A kind of 6. array type silencer according to claim 5, it is characterised in that：The supporting rod of the semi-cylindrical（4）
Half circular diameter and fair water cone（2）Water conservancy diversion end（22）Diameter is equal.
A kind of 7. array type silencer according to claim 6, it is characterised in that：The muffling unit module（1）Inner wall
It is provided with the internal acoustical cotton for loose structure（11）.
A kind of 8. array type silencer according to claim 7, it is characterised in that：The muffling unit module（1）By steeping
Foam aluminum is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721228732.1U CN207233383U (en) | 2017-09-21 | 2017-09-21 | A kind of array type silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721228732.1U CN207233383U (en) | 2017-09-21 | 2017-09-21 | A kind of array type silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233383U true CN207233383U (en) | 2018-04-13 |
Family
ID=61863874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721228732.1U Active CN207233383U (en) | 2017-09-21 | 2017-09-21 | A kind of array type silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207233383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036366A (en) * | 2018-09-20 | 2018-12-18 | 郑州静邦噪声振动控制工程技术有限公司 | Array type silencer and its special-shaped muffling unit |
-
2017
- 2017-09-21 CN CN201721228732.1U patent/CN207233383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036366A (en) * | 2018-09-20 | 2018-12-18 | 郑州静邦噪声振动控制工程技术有限公司 | Array type silencer and its special-shaped muffling unit |
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