CN209691385U - A kind of micropunch silencer - Google Patents
A kind of micropunch silencer Download PDFInfo
- Publication number
- CN209691385U CN209691385U CN201920296050.7U CN201920296050U CN209691385U CN 209691385 U CN209691385 U CN 209691385U CN 201920296050 U CN201920296050 U CN 201920296050U CN 209691385 U CN209691385 U CN 209691385U
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- perforated plate
- interior
- plate
- outside
- inner panel
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Abstract
The utility model discloses a kind of micropunch silencers, belong to silencing equipment technical field.The anechoic sheet for including: silencing channel and being arranged in silencing channel, wherein be provided with outside plate on the outside of silencing channel, outer perforated plate two is provided on the inside of silencing channel, and be provided with outer perforated plate one between outside plate and outer perforated plate two；Anechoic sheet includes inner panel, interior perforated plate one and interior perforated plate two, the outside both sides of inner panel are provided with interior perforated plate one, interior perforated plate one is provided with interior perforated plate two away from the side of inner panel, the surface of outer perforated plate one and interior perforated plate one is provided with the micropore that several apertures are 0.8mm, and micropore punching rate is 1%, the surface of outer perforated plate two and interior perforated plate two is provided with the micropore that several apertures are 0.5mm, and micropore punching rate is 2%.A kind of micropunch silencer provided by the utility model uses metal microperforated panel Composite Hollow structure, to achieve the purpose that noise elimination, while meeting environmental protection, clean requirement.
Description
Technical field
The utility model relates to silencing equipment technical fields, are specifically related to a kind of micropunch silencer.
Background technique
Silencer is mainly used for boiler, pressure pipeline exhaust, inlet and outlet of blower etc., and there are many silencer type, according to
Its working principle, and it can be divided into four kinds of main types, i.e., dissipative muffler, reactive muffler, impedance complex formula disappear
Sound device and microperforated panel silencer.
For dissipative muffler mainly with sound-absorbing material come abating noises, common design has the knot such as chip, honeycomb fashion, folded plate type
Structure has good erasure effect for the sound of medium-high frequency section, and low frequency performance muffler is then more relatively poor.
The structure of reactive muffler is similar to filter, the room You Guanyu two large divisions composition, only certain in pipe structure
The sound wave of frequency can pass through, remaining then to reflect, disappear in cell structure, to reach " filtering " function to sound wave
Energy.When sound wave is behind tubule one by one and cell, just gradually it is weakened.This muffler is usually used in eliminating making an uproar for low and medium frequency
Sound.
Impedance complex formula muffler is combined with the structure and performance of both the above muffler, passes through rationally taking for the two
Match, erasure effect is adjusted to optimal, noise from low to high can be eliminated simultaneously.
Environmental requirement is higher and higher at present, for the blower of air purifier, reduces the inlet and outlet noise of its blower
Above several silencers are all because raw material and structure type limitation cause to be not suitable for use.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of micropunch silencer uses metal micropunch
Plate Composite Hollow structure to achieve the purpose that noise elimination, while meeting environmental protection, clean requirement.
Specific technical solution is as follows:
A kind of micropunch silencer, comprising: silencing channel and the anechoic sheet being arranged in silencing channel, wherein eliminate the noise logical
It is provided with outside plate on the outside of road, outer perforated plate two is provided on the inside of silencing channel, and be arranged between outside plate and outer perforated plate two
There is outer perforated plate one；Anechoic sheet includes inner panel, interior perforated plate one and interior perforated plate two, and the outside both sides of inner panel are provided with interior wear
Orifice plate one, interior perforated plate one are provided with interior perforated plate two, the surface of outer perforated plate one and interior perforated plate one away from the side of inner panel
It is provided with the micropore that several apertures are 0.8mm, and micropore punching rate is 1%, the surface of outer perforated plate two and interior perforated plate two is set
It is equipped with the micropore that several apertures are 0.5mm, and micropore punching rate is 2%.
In a kind of above-mentioned micropunch silencer, also has the feature that, be provided between outside plate and outer perforated plate one
The spacing of 40mm is provided with the spacing of 25mm between outer perforated plate one and outer perforated plate two.
In a kind of above-mentioned micropunch silencer, also has the feature that, be provided between inner panel and interior perforated plate one
The spacing of 40mm is provided with the spacing of 25mm between interior perforated plate one and interior perforated plate two.
It in a kind of above-mentioned micropunch silencer, also has the feature that, air inlet of the anechoic sheet close to silencing channel
One end be provided with water conservancy diversion end socket.
It in a kind of above-mentioned micropunch silencer, also has the feature that, the inside of outside plate and the two sides of inner panel apply
It is covered with damping paint.
In a kind of above-mentioned micropunch silencer, also have the feature that, the both ends of silencing channel are provided with flange, method
Mounting hole is reserved on orchid.
It in a kind of above-mentioned micropunch silencer, also has the feature that, outside plate and inner panel are 1.0mm thickness galvanized steel
Plate.
It in a kind of above-mentioned micropunch silencer, also has the feature that, outer perforated plate one and interior perforated plate one are
The thin galvanized steel plain sheet of 0.8mm thickness.
It in a kind of above-mentioned micropunch silencer, also has the feature that, outer perforated plate two and interior perforated plate two are
The thin galvanized steel plain sheet of 0.5mm thickness.
The good effect of above-mentioned technical proposal is:
A kind of micropunch silencer provided by the utility model, size is smaller, can be in narrow, effective shorter space that absorbs sound
There can be biggish absorption to medium-high frequency；Multiple layer metal microperforated panel passes through air resonance, broadband as cavity sound absorption structure
Assimilation effect is significantly increased than single layer micropunch cavity sound absorption structure；Have many advantages, such as high temperature resistant, damp proof, fire prevention, anti-corrosion, especially
Characteristic is prominent in terms of being environmental protection, being clean.
Detailed description of the invention
Fig. 1 is a kind of orthogonal view of the embodiment of micropunch silencer of the utility model；
Fig. 2 is a kind of sectional side view of the embodiment of micropunch silencer of the utility model.
In attached drawing: 1, outside plate；2, outer perforated plate one；3, outer perforated plate two；4, inner panel；5, interior perforated plate one；6, interior perforation
Plate two；7, water conservancy diversion end socket；8, flange.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing 1 is specifically addressed a kind of micropunch silencer provided by the utility model to attached drawing 2.
Fig. 1 is a kind of orthogonal view of the embodiment of micropunch silencer of the utility model；Fig. 2 is the utility model
A kind of sectional side view of the embodiment of micropunch silencer, in the present embodiment, the micropunch silencer mainly include outside plate 1,
Outer perforated plate 1, outer perforated plate 23, inner panel 4, interior perforated plate 1, interior perforated plate 26, water conservancy diversion end socket 7, flange 8.
A kind of tiny hole noise silencer includes silencing channel and anechoic sheet, wherein outside plate 1 is provided on the outside of silencing channel, outside
Plate 1 is rectangular housing setting, and outer perforated plate 23 is provided on the inside of silencing channel, and outer perforated plate 23 is rectangular housing setting,
And outer perforated plate 1 is provided between outside plate 1 and outer perforated plate 23, outer perforated plate 1 is rectangular housing setting；Anechoic sheet cloth
It sets at the middle part of silencing channel, wherein the both ends in anechoic sheet width direction are connect with outer perforated plate 23, and anechoic sheet includes inner panel
4, the both sides outside of interior perforated plate 1 and interior perforated plate 26, inner panel 4 is provided with interior perforated plate 1, and interior perforated plate 1 deviates from
The side of inner panel 4 is provided with interior perforated plate 26, and the surface of outer perforated plate 1 and interior perforated plate 1 is provided with several apertures and is
The micropore of 0.8mm, and micropore punching rate is 1%, it is 0.5mm's that outer perforated plate 23 and interior perforated plate 26, which are provided with several apertures,
Micropore, and micropore punching rate is 2%.
In a preferred embodiment, as depicted in figs. 1 and 2, it is provided between outside plate 1 and outer perforated plate 1
The spacing of 40mm is provided with the spacing of 25mm, is not filled with any suction in cavity between outer perforated plate 1 and outer perforated plate 23
Sound material forms a double-layer cavity sound absorption structure.
In a preferred embodiment, as depicted in figs. 1 and 2, the two sides of inner panel 4 are provided with interior perforated plate 1, interior
Perforated plate 1 is provided with interior perforated plate 26 away from the side of inner panel 4, is provided with 40mm's between inner panel 4 and interior perforated plate 1
Spacing is provided with the spacing of 25mm, is not filled in cavity any between the interior perforated plate 1 and interior perforated plate 26 of the same side
Sound-absorbing material forms a double-layer cavity sound absorption structure.
In a preferred embodiment, as shown in Figure 1, anechoic sheet is arranged close to one end of the air inlet of silencing channel
There is water conservancy diversion end socket 7, a guiding function is played to air-flow.
In a preferred embodiment, as shown in Figure 1, the inside of outside plate 1 and the two sides of inner panel 4 are coated with damping
Paint inhibits the vibration of shell mechanism and propagates when with sound to radiate with hum.
In a preferred embodiment, pre- on flange 8 as shown in Figure 1, the both ends of silencing channel are provided with flange 8
There are mounting holes, convenient for tiny hole noise silencer to be mounted on to the inlet and outlet of boiler, pressure pipeline exhaust, blower etc..
In a preferred embodiment, as depicted in figs. 1 and 2, outside plate 1 and inner panel 4 are 1.0mm thickness galvanized steel
Plate.
In a preferred embodiment, as depicted in figs. 1 and 2, outer perforated plate 1 and interior perforated plate 1 are 0.8mm
Thick thin galvanized steel plain sheet.
In a preferred embodiment, as depicted in figs. 1 and 2, outer perforated plate 23 and interior perforated plate 26 are 0.5mm
Thick thin galvanized steel plain sheet.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
The working principle of the micropunch silencer: wind enters in noise damping channel from the air intake of silencer, first by wearing outside
Cavity sound absorption structure between orifice plate 1 and outer perforated plate 23 carries out first time sound absorption, enters back into outer perforated plate 1 and outside plate 1
Between cavity sound absorption structure carry out second and absorb sound, one layer of damping is applied on the inside of shell and is painted, inhibit shell mechanism vibration and
It propagates when band sound and is radiated with hum, the both ends of silencer are provided with flange, convenient for installation of the silencer in channel.
It is same first by interior perforated plate 1 and interior perforation after this exogenous wind enters in noise damping channel from the air intake of silencer
Cavity sound absorption structure between plate 26 carries out first time sound absorption, enters back into the cavity sound absorption between interior perforated plate 1 and inner panel 4
Structure carries out second and absorbs sound, and inner panel two sides are also coated with one layer of damping paint, to inhibit the vibration of inner plate structure.
The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in
It is interior.
Claims (6)
1. a kind of micropunch silencer, comprising: silencing channel and the anechoic sheet being arranged in the silencing channel, feature exist
In being provided with outside plate on the outside of the silencing channel, outer perforated plate two, and the outside plate be provided on the inside of the silencing channel
Outer perforated plate one is provided between the outer perforated plate two；The anechoic sheet includes inner panel, interior perforated plate one and interior perforation
Plate two, the outside both sides of the inner panel are provided with the interior perforated plate one, and the interior perforated plate one deviates from the side of the inner panel
It is provided with the interior perforated plate two, the surface of the outer perforated plate one and the interior perforated plate one is provided with several apertures and is
The micropore of 0.8mm, and micropore punching rate is 1%, the surface of the outer perforated plate two and the interior perforated plate two is provided with several
Aperture is the micropore of 0.5mm, and micropore punching rate is 2%.
2. a kind of micropunch silencer according to claim 1, which is characterized in that the outside plate and the outer perforated plate one
Between be provided with the spacing of 40mm, the spacing of 25mm is provided between the outer perforated plate one and the outer perforated plate two.
3. a kind of micropunch silencer according to claim 1, which is characterized in that the inner panel and the interior perforated plate one
Between be provided with the spacing of 40mm, the spacing of 25mm is provided between the interior perforated plate one and the interior perforated plate two.
4. a kind of micropunch silencer according to claim 1, which is characterized in that the anechoic sheet leads to close to described eliminate the noise
One end of the air inlet in road is provided with water conservancy diversion end socket.
5. a kind of micropunch silencer according to claim 1, which is characterized in that the inside of the outside plate and the inner panel
Two sides be coated with damping paint.
6. a kind of micropunch silencer according to claim 1, which is characterized in that the both ends of the silencing channel are provided with
Flange is reserved with mounting hole on the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920296050.7U CN209691385U (en) | 2019-03-08 | 2019-03-08 | A kind of micropunch silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920296050.7U CN209691385U (en) | 2019-03-08 | 2019-03-08 | A kind of micropunch silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209691385U true CN209691385U (en) | 2019-11-26 |
Family
ID=68604356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920296050.7U Expired - Fee Related CN209691385U (en) | 2019-03-08 | 2019-03-08 | A kind of micropunch silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209691385U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111789968A (en) * | 2020-06-21 | 2020-10-20 | 老肯医疗科技股份有限公司 | Steam discharge water tank with silencing function |
| CN113112980A (en) * | 2021-03-22 | 2021-07-13 | 广东电网有限责任公司广州供电局 | Muffler device |
-
2019
- 2019-03-08 CN CN201920296050.7U patent/CN209691385U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111789968A (en) * | 2020-06-21 | 2020-10-20 | 老肯医疗科技股份有限公司 | Steam discharge water tank with silencing function |
| CN113112980A (en) * | 2021-03-22 | 2021-07-13 | 广东电网有限责任公司广州供电局 | Muffler device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20210308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |