CN109036366A - Array type silencer and its special-shaped muffling unit - Google Patents
Array type silencer and its special-shaped muffling unit Download PDFInfo
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- CN109036366A CN109036366A CN201811102416.9A CN201811102416A CN109036366A CN 109036366 A CN109036366 A CN 109036366A CN 201811102416 A CN201811102416 A CN 201811102416A CN 109036366 A CN109036366 A CN 109036366A
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- Prior art keywords
- section
- muffling unit
- special
- changes
- array type
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
Abstract
The present invention relates to array type silencer and its special-shaped muffling units;Array type silencer includes outline border and special-shaped muffling unit, special-shaped muffling unit has more than two changes of section sections, the peripheral dimension of each changes of section section is sequentially increased on the length direction of special-shaped muffling unit/reduces, and the junction that adjacent sections change section forms step.The shape of conventional muffling unit is changed, produce irregular plate muffler, the better silencing channel of noise elimination effect is formed between adjacent abnormity muffling unit, improve silencer dynamic sound deadening capacity, silencing channel interval is still able to satisfy noise elimination and requires after increasing, which reduces the usage amounts of muffling unit, compared to existing array type silencer, the volume of array type silencer of the invention is smaller, conducive to lifting, combination and the installation at scene, the equipment narrow for field position has a clear superiority, and less muffling unit is used, production cost is reduced.
Description
Technical field
The invention belongs to silencer field more particularly to a kind of array type silencers and the abnormity used on the silencer
Muffling unit.
Background technique
The noise elimination that array type silencer is made of on ventilation section according to array manner arrangement multiple muffling units
Device, compared with traditional resistive plate silencer, it has better acoustic attenuation performance and lower resistance coefficient, especially big
The application places of section Wind Volume.
Such as notification number is CN206134243U, the day for announcing is a kind of battle array disclosed in the Chinese invention patent of 2017.04.26
Column silencer, including outline border and several muffling units, outline border have multipair support rod, and muffling unit, which is mounted on, to be arranged in pairs
Between two support rods, muffling unit is rectangular slat shape, and fair water cone is installed at both ends respectively, and air can be in the seam between support rod
It is flowed at gap.
Muffling unit is according to design spacing arrangement, and since existing muffling unit structure is too simple, noise elimination effect is general, needs
Arranging more muffling units can be only achieved the noise reduction effect of requirement, lead to that the figure of silencer is bigger than normal, cost increases.
Summary of the invention
The purpose of the present invention is to provide a kind of array type silencer, to solve existing array type silencer volume it is big,
The high problem of cost;The special-shaped muffling unit that the object of the invention is also to provide a kind of to use on the array type silencer.
To achieve the above object, the following technical solution is employed for array type silencer of the invention: array type silencer packet
Outline border and special-shaped muffling unit are included, special-shaped muffling unit has more than two changes of section sections, in the length of special-shaped muffling unit
The peripheral dimension of each changes of section section is sequentially increased/reduces on degree direction, and the junction that adjacent sections change section forms step.
The utility model has the advantages that being changed to the shape of conventional muffling unit, irregular plate muffler is produced, adjacent abnormity is eliminated the noise single
The better silencing channel of noise elimination effect is formed between member, improves silencer dynamic sound deadening capacity, and silencing channel interval remains to after increasing
Meet to eliminate the noise and require, which reduces the usage amounts of muffling unit, compared to existing array type silencer, array of the invention
The volume of formula silencer is smaller, and conducive to lifting, combination and the installation at scene, the equipment narrow for field position has obvious
Advantage, and less muffling unit is used, reduce production cost.
Further, the step is to change section by small cross sections to lead to what larger cross-section variation section cross section was gradually increased
Step is flowed, gas flow resistance is reduced.
Further, on same special-shaped muffling unit each changes of section section equal length, on adjacent abnormity muffling unit
Each step is adjacent, and each section of gas passage in the same size, and direction changes when gas passes through stepped locations, improves erasure effect.
Further, there are two the changes of section sections on same special-shaped muffling unit.
Further, the cross section of each changes of section section is rectangle, is welded into after each changes of section section bending and molding
One.
Further, the outline border has the short transverse and width side perpendicular with special-shaped muffling unit length direction
To maximum cross-section variation section and adjacent abnormity in outer frame short transverse and/or width direction on any abnormity muffling unit
Smallest cross-sectional variation section on muffling unit is adjacent.
The following technical solution is employed for special-shaped muffling unit of the invention: special-shaped muffling unit has more than two sections
Change section, the peripheral dimension of each changes of section section is sequentially increased/reduces on the length direction of special-shaped muffling unit, adjacent sections
The junction for changing section forms step.
The utility model has the advantages that being changed to special-shaped muffling unit shape, irregular plate muffler, adjacent abnormity muffling unit are produced
Between formed size and shape change, the better silencing channel of noise elimination effect, raising silencer dynamic sound deadening capacity, silencing channel
Interval is still able to satisfy noise elimination and requires after increasing, reduce the usage amount of muffling unit, compared to existing array type silencer, the present invention
Array type silencer volume it is smaller, conducive to scene lifting, combination and installation, the equipment narrow for field position,
It has a clear superiority, and uses less muffling unit, reduce production cost.
Further, the step is to change section by small cross sections to lead to what larger cross-section variation section cross section was gradually increased
Step is flowed, gas flow resistance is reduced.
Further, on same special-shaped muffling unit each changes of section section equal length;It is adjacent after being mounted on outline border
Each step is adjacent on special-shaped muffling unit, and each section of gas passage in the same size, and direction changes when gas passes through stepped locations, improves
Erasure effect.
Further, there are two the changes of section sections on same special-shaped muffling unit.
Further, the cross section of each changes of section section is rectangle;It is welded into after each changes of section section bending and molding
One.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, common for this field
For technical staff, without creative efforts, it can also be obtained according to these attached drawings other attached drawings;
Fig. 1 is the perspective view of the embodiment one of array type silencer of the invention;
Fig. 2 is the main view of Fig. 1;
Fig. 3 is cross-sectional view of the Fig. 2 along Section A-A;
Fig. 4 is cross-sectional view of the Fig. 2 along section B-B;
Fig. 5 is the structural schematic diagram of irregular plate muffler;
Fig. 6 is irregular plate muffler arrangement schematic diagram.
In figure: 1- outline border, 2- abnormity muffling unit, 3- support rod, 4- rectangular box, 5- bolt, 6- fair water cone, 7- water conservancy diversion
Step, 8- changes of section section I, 9- changes of section section II.
Specific embodiment
In order to keep technical purpose of the invention, technical scheme and beneficial effects clearer, with reference to the accompanying drawing and specifically
Embodiment is further illustrated technical solution of the present invention.
The embodiment one of array type silencer, as shown in Figures 1 to 6, including outline border 1 and special-shaped muffling unit 2, outline border 1
Rectangular box 4 including front and back perforation and the support rod 3 being arranged at the two-port of rectangular box 4, support rod 3 includes front side branch
Strut and Backside support bar, irregular plate muffler 2 are mounted between the forward and backward side support bar being arranged in pairs and by connection bolts 5
It is fixed.
The both ends of special-shaped muffling unit 2 are fair water cone 6, are equipped with changes of section section I8 and changes of section section between fair water cone 6
II9, two sections variation segment length is equal, peripheral dimension is different, cross section is rectangle, and when processing first bends out two respectively and cuts
Face changes section, then the two is welded into one, and the junction that two sections change section forms water conservancy diversion step 7, the cross section of water conservancy diversion step 7
It is gradually increased by changes of section section II9 to changes of section section I8, reduces gas flow resistance.
Outline border 1 has the short transverse and width direction perpendicular with the length direction of special-shaped muffling unit 2, in outline border 1
On changes of section section I8 and adjacent special-shaped muffling unit 2 in short transverse and width direction on any abnormity muffling unit 2
Changes of section section II9 is adjacent;Gas gas that multiple path changes are respectively formed in 1 width direction of outline border and short transverse in this way
Channel.
The better silencing channel of noise elimination effect is formed between adjacent abnormity muffling unit 2, improves silencer dynamic sound deadening capacity,
Silencing channel interval is still able to satisfy noise elimination and requires after increasing, which reduces the usage amounts of muffling unit 2.Compared to existing skill
The volume of art, array type silencer of the invention is smaller, narrow for field position conducive to lifting, combination and the installation at scene
Small equipment, has a clear superiority, and uses less muffling unit, reduces production cost.
The embodiment two of array type silencer: with implement one the difference is that, only in the width direction of outline border or outer
The minimum in maximum cross-section variation section and adjacent special-shaped muffling unit in the short transverse of frame on any abnormity muffling unit is cut
It is adjacent that face changes section.Or each special-shaped muffling unit is installed using identical mounting means, i.e., on any special-shaped muffling unit most
Big changes of section section is adjacent with the maximum cross-section variation section on adjacent special-shaped muffling unit.
The embodiment three of array type silencer: with implement one the difference is that, the cross section of special-shaped muffling unit
It can be other shapes, such as circle, ellipse, regular pentagon, regular hexagon etc.;Section on same abnormity muffling unit becomes
Change section there are three more than;Further, the length of each changes of section section can also be inconsistent, and physical length adjusts as needed is
It can.
The embodiment of special-shaped muffling unit of the invention, the structure of special-shaped muffling unit and the array of aforementioned present invention disappear
The structure of special-shaped muffling unit in any embodiment of sound device is identical, therefore is not repeated to illustrate.
It should be noted last that: technical solution of the present invention that the above embodiments are only illustrative and not limiting is any right
The equivalent replacement and do not depart from the modification of spirit and scope of the invention or locally replace that the present invention carries out, should all cover in this hair
Within bright protective scope of the claims.
Claims (10)
1. array type silencer, including outline border, it is characterised in that: further include special-shaped muffling unit, special-shaped muffling unit has two
A above changes of section section, on the length direction of special-shaped muffling unit the peripheral dimension of each changes of section section be sequentially increased/
Reduce, the junction that adjacent sections change section forms step.
2. array type silencer according to claim 1, it is characterised in that: the step is to change section extremely by small cross sections
The water conservancy diversion step that larger cross-section variation section cross section is gradually increased.
3. array type silencer according to claim 2, it is characterised in that: each changes of section on same abnormity muffling unit
The equal length of section.
4. array type silencer according to claim 3, it is characterised in that: the changes of section on same abnormity muffling unit
There are two sections.
5. array type silencer according to claim 4, it is characterised in that: the cross section of each changes of section section is
Rectangle.
6. array type silencer according to claim 1-5, it is characterised in that: the outline border has to disappear with abnormity
Sound element length direction perpendicular short transverse and width direction, it is any different in outer frame short transverse and/or width direction
Maximum cross-section variation section on shape muffling unit is adjacent with the smallest cross-sectional variation section on adjacent special-shaped muffling unit.
7. special-shaped muffling unit, it is characterised in that: special-shaped muffling unit has more than two changes of section sections, eliminates the noise in abnormity
The peripheral dimension of each changes of section section is sequentially increased/reduces on the length direction of unit, and adjacent sections change the junction shape of section
At step.
8. abnormity muffling unit according to claim 7, it is characterised in that: the step is to change section extremely by small cross sections
The water conservancy diversion step that larger cross-section variation section cross section is gradually increased.
9. abnormity muffling unit according to claim 8, it is characterised in that: each changes of section on same abnormity muffling unit
The equal length of section.
10. abnormity muffling unit according to claim 9, it is characterised in that: the cross section of each changes of section section is equal
For rectangle.
Priority Applications (1)
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CN201811102416.9A CN109036366A (en) | 2018-09-20 | 2018-09-20 | Array type silencer and its special-shaped muffling unit |
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CN201811102416.9A CN109036366A (en) | 2018-09-20 | 2018-09-20 | Array type silencer and its special-shaped muffling unit |
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CN201811102416.9A Pending CN109036366A (en) | 2018-09-20 | 2018-09-20 | Array type silencer and its special-shaped muffling unit |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111022814A (en) * | 2019-12-17 | 2020-04-17 | 华电重工股份有限公司 | Matrix type silencer |
CN113628603A (en) * | 2021-08-30 | 2021-11-09 | 武汉理工大学 | Combined silencer |
CN113883712A (en) * | 2021-09-29 | 2022-01-04 | 宁波市鸿福风机有限公司 | High-efficient dysmorphism curved surface silencer that commonality is high |
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CN206134240U (en) * | 2016-09-22 | 2017-04-26 | 北京万讯达声学设备有限公司 | Array type silencer |
CN207233383U (en) * | 2017-09-21 | 2018-04-13 | 江苏声立方环保科技有限公司 | A kind of array type silencer |
CN207690491U (en) * | 2017-12-06 | 2018-08-03 | 北京宝都钢结构工程有限公司 | A kind of novel array type silencer |
CN209543921U (en) * | 2018-09-20 | 2019-10-25 | 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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2018
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US20040208803A1 (en) * | 2001-12-17 | 2004-10-21 | Emitec Gesellschaft Fur Emissionstechnologie Mbh | Honeycomb body, exhaust system having the honeycomb body and method for muffling sound in the exhaust system of an internal combustion engine |
DE20217398U1 (en) * | 2002-11-08 | 2004-03-18 | Jacobs, Heinz-Josef | Sound damper for ventilation device has inner duct extending inside it and within which is fitted inner damper occupying part of opening cross section of inner duct and consists of perforated plate with fireproof insulation material |
US20050051382A1 (en) * | 2003-09-10 | 2005-03-10 | Voss Automotive Gmbh: | Pneumatic blow-off silencer |
CN201574802U (en) * | 2009-12-31 | 2010-09-08 | 杨亚设 | Silencer |
CN103807995A (en) * | 2014-01-25 | 2014-05-21 | 浙江金盾风机股份有限公司 | Combined type array impedance recombination silencer |
CN204402633U (en) * | 2015-01-26 | 2015-06-17 | 四川贝强声学工程有限公司 | A kind of adjustable silencing apparatus |
CN206134240U (en) * | 2016-09-22 | 2017-04-26 | 北京万讯达声学设备有限公司 | Array type silencer |
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CN207690491U (en) * | 2017-12-06 | 2018-08-03 | 北京宝都钢结构工程有限公司 | A kind of novel array type silencer |
CN209543921U (en) * | 2018-09-20 | 2019-10-25 | 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 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111022814A (en) * | 2019-12-17 | 2020-04-17 | 华电重工股份有限公司 | Matrix type silencer |
CN113628603A (en) * | 2021-08-30 | 2021-11-09 | 武汉理工大学 | Combined silencer |
CN113628603B (en) * | 2021-08-30 | 2023-08-29 | 武汉理工大学 | Combined silencer |
CN113883712A (en) * | 2021-09-29 | 2022-01-04 | 宁波市鸿福风机有限公司 | High-efficient dysmorphism curved surface silencer that commonality is high |
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