CN205943451U - M type silencer - Google Patents
M type silencer Download PDFInfo
- Publication number
- CN205943451U CN205943451U CN201620795960.6U CN201620795960U CN205943451U CN 205943451 U CN205943451 U CN 205943451U CN 201620795960 U CN201620795960 U CN 201620795960U CN 205943451 U CN205943451 U CN 205943451U
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- acoustic filter
- blade
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- zinc
- silencer
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Abstract
The utility model discloses a M type silencer, including silencer blade and silencer backplate, the outline of silencer blade is provided with the galvanized sheet, and the interior profile of silencer blade is provided with the mesh board, and it is cotton to have loaded superfine glass between galvanized sheet and the mesh board, and the cotton outer parcel of superfine glass has glass fibre cloth, the corner of the interior profile of silencer blade still all is provided with zinc -plated V fossil fragments, and it has fore -and -aft zinc -plated fossil fragments still to weld between zinc -plated V fossil fragments and the galvanized sheet, and zinc -plated fossil fragments are evenly arranged between galvanized sheet and mesh board, this M type silencer, through the tortuous structure of the M type shape that sets up, the noise elimination volume is big, and the application is wide, and market demand is big, and its popularization and application have very big market value, ventilation, fire prevention, dampproofing, its acoustical reduction coefficient generally reaches 20~35dB (A), M type silencer application range is wide to can choose different materials processing for use according to the difference of place to use.
Description
Technical field
This utility model is related to muffler device technical field, specifically a kind of M type acoustic filter.
Background technology
In industrial noise is administered, widely use strip-type silencer in the market to eliminate entering of various exhaust apparatus
Gas, exhaust noise.But strip-type silencer is subject to limitations, design M type acoustic filter is to stop sound transmission on this basis
And a kind of device allowing air-flow to pass through, it is the novel product eliminating air power noise.The structure of M type acoustic filter is mainly
Filling porous property sound-absorbing material in acoustic filter cavity, when noise is propagated in porous sound-absorbing material or sound absorption structure, because
Rub and acoustic energy is changed into heat energy and dissipates, thus reaching the purpose of noise elimination noise reduction.M type acoustic filter is by multiple acoustical plates simultaneously
The acoustic filter that joint group becomes, anechoic sheet is the sound absorption using sound-absorbing material, so that the change along pipe transmmision sectional area is passed in sound
The process of broadcasting causes the change of acoustic impedance, produces reflection and the consumption of acoustic energy, thus reaching the silencing apparatus of noise elimination purpose.
Content of the invention
The purpose of this utility model is to provide a kind of M type acoustic filter, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme：
A kind of M type acoustic filter, including acoustic filter blade and silencer protection plate, described acoustic filter blade includes leaf on acoustic filter
Piece, acoustic filter Leaf and acoustic filter lower blade, the edge of acoustic filter blade, acoustic filter Leaf and acoustic filter lower blade
It is installed between two identical silencer protection plate, and weld by the equal rivet of spacing or using seamless mash welder in addition
It is fixed into anechoic sheet main frame；The outline of described acoustic filter blade is provided with galvanized sheet, the Internal periphery setting of acoustic filter blade
There is mesh plate；It is filled with super glass wool, the outer layer covers of super glass wool have glass fibers between described galvanized sheet and mesh plate
Wei Bu；The corner of the Internal periphery of described acoustic filter blade is also provided with zinc-plated V Os Draconis, between zinc-plated V Os Draconis and mesh plate
Fixing welding；Also it is welded with longitudinal zinc-plated Os Draconis, zinc-plated Os Draconis are evenly spaced in plating between described zinc-plated V Os Draconis and galvanized sheet
Between zine plate and mesh plate.
As further program of the utility model：All adopt between described zinc-plated Os Draconis and zinc-plated V Os Draconis and galvanized sheet
Spot welding connects, and is painted with antirust paint at solder joint.
As further program of the utility model：The surface of described mesh plate is provided with multiple circular holes, and circular hole perforation
Rate is 20%, and the diameter of circular hole is set to 3mm.
As further program of the utility model：Described acoustic filter blade, acoustic filter Leaf and acoustic filter inferior lobe
Piece is disposed as the M type shape of curved structure.
Compared with prior art, this utility model beneficial effect：
This M type acoustic filter, by the curved structure of the M type shape of setting, sound deadening capacity is big, and application is wide, and market needs
The amount of asking is big, and its popularization and application has very big market value；Ventilation, fire prevention, protection against the tide, its oise insulation factor commonly reaches 20 ~ 35dB
(A)；M type acoustic filter range is wide, and can select different materials processings according to the difference of place to use.
Brief description
Fig. 1 is front view of the present utility model；
Fig. 2 is side view of the present utility model；
Fig. 3 is the structural representation of acoustic filter blade of the present utility model.
In figure：1- acoustic filter blade, 11- acoustic filter blade, 12- acoustic filter Leaf, 13- acoustic filter lower blade, 2-
Silencer protection plate, 3- rivet, 4- galvanized sheet, 5- mesh plate, 6- super glass wool, 7- glass fabric, 8- zinc-plated V Os Draconis, 9-
Zinc-plated Os Draconis.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-3, in this utility model embodiment, a kind of M type acoustic filter, including acoustic filter blade 1 and acoustic filter
Backplate 2, acoustic filter blade 1 includes acoustic filter blade 11, acoustic filter Leaf 12 and acoustic filter lower blade 13, acoustic filter middle period
The quantity of piece 12 is four, and is uniformly arranged between acoustic filter blade 11 and acoustic filter lower blade 13, acoustic filter blade
11st, acoustic filter Leaf 12 and acoustic filter lower blade 13 are disposed as the M type shape of curved structure, using the bending of gas channel
Structure, and sound-absorbing material on the way, reduce acoustic energy and intercept the route of transmission of noise, have good acoustic attenuation performance；Acoustic filter
The edge of blade 11, acoustic filter Leaf 12 and acoustic filter lower blade 13 is installed in two identical silencer protection plate 2
Between, and anechoic sheet main frame is fixed into by the equal rivet 3 of spacing；It is provided with the outline of acoustic filter blade 1
Galvanized sheet 4, the Internal periphery of acoustic filter blade 1 is provided with mesh plate 5, and the surface of mesh plate 5 is provided with multiple circular holes, and circular hole is worn
Porosity is 20%, and the distance of center circle that the diameter of circular hole is set between 3mm, and two adjacent circular holes is 6mm, by rational chi
Very little reality is so that the acoustically effective of mesh plate 5 is more preferable；Also being filled with unit weight between galvanized sheet 4 and mesh plate 5 is 48kg/m3
Super glass wool 6, the outer layer covers of super glass wool 6 have glass fabric 7；Turning in the Internal periphery of acoustic filter blade 1
Place is also provided with zinc-plated V Os Draconis 8, fixing welding between zinc-plated V Os Draconis 8 and mesh plate 5；Zinc-plated V Os Draconis 8 and galvanized sheet 4 it
Between be also welded with longitudinal zinc-plated Os Draconis 9, zinc-plated Os Draconis 9 are evenly spaced between galvanized sheet 4 and mesh plate 5, play effectively
Support acts on；All it is connected using spot welding between zinc-plated Os Draconis 9 and zinc-plated V Os Draconis 8 and galvanized sheet 4, and be painted with antirust at solder joint
Paint, can effectively prevent from corroding during long use；During processing, outside M type acoustic filter, light requirement is clean
No burr, the surface of galvanized sheet 4 and mesh plate 5 should be smooth intact, transport, installs and is required to safeguard procedures, overall plastic-blasting so that
Its sound deadening capacity is big, and application is wide, the huge market demand, and its popularization and application has very big market value；And divulge information, prevent
Fiery, moistureproof, its oise insulation factor commonly reaches 20 ~ 35dB (A)；M type acoustic filter range is wide, and can be according to place to use
Difference is from different materials processings.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized in other specific forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of equivalency that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (4)
1. a kind of M type acoustic filter, including acoustic filter blade（1）And silencer protection plate（2）It is characterised in that：Described acoustic filter leaf
Piece（1）Including acoustic filter blade（11）, acoustic filter Leaf（12）With acoustic filter lower blade（13）, acoustic filter blade
（11）, acoustic filter Leaf（12）With acoustic filter lower blade（13）Edge be installed in two identical silencer protection plate
（2）Between, and by the equal rivet of spacing（3）It is fixed into anechoic sheet main frame；Described acoustic filter blade（1）Foreign steamer
Exterior feature is provided with galvanized sheet（4）, acoustic filter blade（1）Internal periphery be provided with mesh plate（5）；Described galvanized sheet（4）And mesh plate
（5）Between be filled with super glass wool（6）, super glass wool（6）Outer layer covers have glass fabric（7）；Described acoustic filter
Blade（1）The corner of Internal periphery be also provided with zinc-plated V Os Draconis（8）, zinc-plated V Os Draconis（8）With mesh plate（5）Between fixing
Welding；Described zinc-plated V Os Draconis（8）With galvanized sheet（4）Between be also welded with longitudinal zinc-plated Os Draconis（9）, zinc-plated Os Draconis（9）Uniformly
It is arranged in galvanized sheet（4）And mesh plate（5）Between.
2. a kind of M type acoustic filter according to claim 1 it is characterised in that：Described zinc-plated Os Draconis（9）With zinc-plated V Os Draconis
（8）And galvanized sheet（4）Between all connected using spot welding, and be painted with antirust paint at solder joint.
3. a kind of M type acoustic filter according to claim 1 it is characterised in that：Described mesh plate（5）Surface be provided with many
Individual circular hole, and circular hole punching rate is 20%, the diameter of circular hole is set to 3mm.
4. a kind of M type acoustic filter according to claim 1 it is characterised in that：Described acoustic filter blade（11）, acoustic filter
Leaf（12）With acoustic filter lower blade（13）It is disposed as the M type shape of curved structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795960.6U CN205943451U (en) | 2016-12-08 | 2016-12-08 | M type silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795960.6U CN205943451U (en) | 2016-12-08 | 2016-12-08 | M type silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205943451U true CN205943451U (en) | 2017-02-08 |
Family
ID=57926289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620795960.6U Active CN205943451U (en) | 2016-12-08 | 2016-12-08 | M type silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205943451U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671419A (en) * | 2018-12-28 | 2019-04-23 | 西安交通大学 | One kind is cracked basis of dual porosity rate sound absorber and its application |
| CN110070851A (en) * | 2019-03-28 | 2019-07-30 | 北京朗新明环保科技有限公司 | Easy to clean type pavement structure for sound absorber surface |
| CN111179893A (en) * | 2020-01-19 | 2020-05-19 | 广东览讯科技开发有限公司 | Sheet type high-efficiency silencer |
-
2016
- 2016-12-08 CN CN201620795960.6U patent/CN205943451U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671419A (en) * | 2018-12-28 | 2019-04-23 | 西安交通大学 | One kind is cracked basis of dual porosity rate sound absorber and its application |
| CN109671419B (en) * | 2018-12-28 | 2024-01-12 | 西安交通大学 | Slotting double-porosity sound absorption device and application thereof |
| CN110070851A (en) * | 2019-03-28 | 2019-07-30 | 北京朗新明环保科技有限公司 | Easy to clean type pavement structure for sound absorber surface |
| CN111179893A (en) * | 2020-01-19 | 2020-05-19 | 广东览讯科技开发有限公司 | Sheet type high-efficiency silencer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |