CN207033546U - A kind of silencer - Google Patents
A kind of silencer Download PDFInfo
- Publication number
- CN207033546U CN207033546U CN201720720091.5U CN201720720091U CN207033546U CN 207033546 U CN207033546 U CN 207033546U CN 201720720091 U CN201720720091 U CN 201720720091U CN 207033546 U CN207033546 U CN 207033546U
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- Prior art keywords
- pipeline
- muffler
- breather pipe
- breather
- section
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Abstract
The utility model discloses a kind of silencer, including pipeline, pipeline is provided with air inlet and gas outlet, multiple muffler sections are provided with pipeline, multiple muffler sections are located between the air inlet and gas outlet, and are set along gas circulating direction, have gap between the adjacent muffler section.In the same muffler section, including multiple breather pipes, breather pipe is parallel with pipeline, and the spacing between multiple breather pipes and the axis of pipeline is identical, and noise elimination cotton is filled between breather pipe and pipeline and between breather pipe.Two muffler sections are provided with pipeline, what it is close to air inlet is the first muffler section, and what it is close to gas outlet is the second muffler section, is provided with five breather pipes in the first muffler section, is provided with four breather pipes in the second muffler section, and the caliber of the breather pipe in two muffler sections is identical.Acoustic wave filter structure of the present utility model is simple, has good acoustic attenuation performance, can effectively reduce noise pollution.
Description
Technical field
Noise elimination structure design field is the utility model is related to, espespecially a kind of silencer.
Background technology
At present, the problem of man-made noise pollution has become people's growing interest.Diesel generating set is extensive framework
Under stand-by power supply, in case emergent use.In terms of present situation, diesel generating set is just received and used extensively.But sent out in diesel oil
In the running of group of motors, larger noise jamming can be produced, noise decibel is extremely tight up to more than 120db, noise pollution
Weight.To reduce this interference, reduce the noise pollution of diesel generating set has turned into the vital task of generating set production.
Therefore, the applicant is directed to providing a kind of new silencer.
Utility model content
The purpose of this utility model is to provide a kind of silencer, and its is simple in construction, has good acoustic attenuation performance, Ke Yiyou
Effect reduces noise pollution.
The utility model provides a kind of silencer, including pipeline, and the pipeline is provided with air inlet and gas outlet, described
It is provided with multiple muffler sections in pipeline, multiple muffler sections are located between the air inlet and gas outlet, and along gas
Circulating direction is set, and has gap between the adjacent muffler section.
Preferably, in the same muffler section, including multiple breather pipes, the axis of the breather pipe and the pipeline
Diameter parallel, and multiple breather pipes are identical with the spacing between the axis of the pipeline, the outer wall of the breather pipe and institute
State and be filled with noise elimination cotton between the inwall of pipeline, noise elimination cotton is also filled between the breather pipe.
Preferably, support is also included in the muffler section, the support is used to fix the breather pipe.
Preferably, in the different muffler sections, the caliber all same of the breather pipe, the number of the breather pipe is not
Together, along gas circulating direction, the number of the breather pipe in the muffler section gradually decreases.
Preferably, in the different muffler sections, the distance between axis of the axis of the breather pipe and the pipeline
Difference, along gas circulating direction, the distance is gradually reduced.
Preferably, in the different muffler sections, the length of the breather pipe is different, described to disappear along gas circulating direction
The length of breather pipe in sound section gradually increases.
Preferably, two muffler sections are provided with the pipeline, are the first muffler section close to air inlet, close to gas outlet
For the second muffler section, five the first breather pipes are provided with first muffler section, four second are provided with second muffler section
Breather pipe；The caliber of first breather pipe is identical with the caliber of second breather pipe, first breather pipe and the pipe
The distance between the axis in road is more than the distance between axis of second breather pipe and the pipeline, and first ventilation
The length of pipe is less than the length of second breather pipe.
Preferably, the air inlet of the pipeline is located on the end of the pipeline, and the gas outlet of the pipeline is positioned at described
In the side wall of pipeline.
Preferably, first flange is provided with the air inlet of the pipeline, the first flange is used for connecting pipe and ripple
Pipe；Second flange is provided with the gas outlet of the pipeline, the second flange is used for connecting pipe and bend pipe.
Preferably, the noise elimination precision of multiple muffler sections is different, and the noise elimination essence of the muffler section close to the air inlet
Degree is less than the noise elimination precision of the muffler section close to gas outlet.
Silencer provided by the utility model can bring following at least one beneficial effect：
1st, silencer of the present utility model is provided with multistage muffler section in the duct, and has gap between adjacent muffler section,
Every section of muffler section can absorb partial noise, and the acoustic attenuation performance of silencer can be improved by segment impedance combination, so as to have
Effect reduces noise pollution.
2nd, the muffler section in silencer of the present utility model is by breather pipe and the noise reduction being arranged between breather pipe and pipeline
Cotton form, so setting can by adjust the spacing of breather pipe axis and conduit axis, the diameter of breather pipe, breather pipe length
Degree adjusts the acoustic attenuation performance of different muffler sections with number and the species of silencing cotton.
3rd, the air inlet of pipeline is fixedly connected by flange with bellows in silencer of the present utility model, and gas outlet passes through
Flange is connected with bend pipe, and flange type of attachment consolidates, and can be avoided in the case that gas flow is big, flow velocity is big, silencer with it is outer
Portion's structure connection shakiness causes vibrating noise, and therefore, this mode that is fixedly connected can further improve the noise reduction of silencer
Energy.
Brief description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to silencer of the present utility model
Above-mentioned characteristic, technical characteristic, advantage and its implementation be further described.
Fig. 1 is a kind of front view of specific embodiment of silencer of the present utility model；
Fig. 2 is the A-A views of the silencer shown in Fig. 1；
Fig. 3 is the B-B views of the silencer shown in Fig. 1；
Fig. 4 is the top view of the silencer shown in Fig. 1.
Drawing reference numeral explanation：
Pipeline 10, air inlet 11, gas outlet 12, first flange 13, second flange 14；First muffler section 20, the first ventilation
Pipe 21；Second muffler section 30, the second breather pipe 31；The caliber R1 of pipeline, between the axis of breather pipe and the axis of pipeline between
Away from R2, the caliber R3 of breather pipe.
Embodiment
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, accompanying drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that drawings in the following description are only of the present utility model one
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings, and obtains other embodiments.To make simplified form, only schematically showing in each figure
The part related to the utility model, they do not represent its practical structures as product.
As shown in Figures 1 to 4, the silencer in this specific embodiment includes a pipeline 10, and pipeline 10 is provided with air inlet 11
With gas outlet 12, multiple muffler sections are provided with pipeline 10, multiple muffler sections are located between air inlet 11 and gas outlet 12, and
Set along gas circulating direction, there is gap between adjacent muffler section.
In same muffler section, including multiple breather pipes, the axis of breather pipe and the diameter parallel of pipeline, and multiple ventilations
Spacing between pipe and the axis of pipeline is identical, and noise elimination cotton, breather pipe are filled between the outer wall of breather pipe and the inwall of pipeline
Between be also filled with noise elimination cotton, when gas passes through breather pipe, noise can by outside breather pipe silencing cotton absorb.Specifically, eliminate the noise
Also include support in section, support is used to fix breather pipe, and so setting can make the overall structure of silencer more firm.
The noise elimination precision of multiple muffler sections is different, and the noise elimination precision of the muffler section close to air inlet 11 is less than close to outlet
The noise elimination precision of mouthfuls 12 muffler section, noise elimination precision herein refer to the acoustical absorptivity of muffler section.In different muffler sections, lead to
The caliber all same of tracheae, the number of breather pipe is different, and along gas circulating direction, the number of the breather pipe in muffler section gradually subtracts
It is few.In different muffler sections, the distance between the axis of breather pipe and the axis of pipeline difference, should be away from along gas circulating direction
From being gradually reduced.In different muffler sections, the length of breather pipe is different, along gas circulating direction, breather pipe in muffler section
Length gradually increases.
Specifically, in the present embodiment, as shown in Figure 2,3, two muffler sections are provided with pipeline 10, close to air inlet 11
For the first muffler section 20, it is the second muffler section 30 close to gas outlet 12, five the first breather pipes is provided with the first muffler section 20
21, four the second breather pipes 31 are provided with the second muffler section 30.The caliber of first breather pipe is identical with the caliber of the second breather pipe,
The distance between axis of first breather pipe 21 and pipeline 10 is more than the distance between axis of the second breather pipe 31 and pipeline 10,
And first breather pipe 21 length be less than the second breather pipe 31 length.
Specifically, in the present embodiment, the caliber R1 of pipeline is 900mm, the axis of the breather pipe in the first noise reduction section with
Spacing R2 between the axis of pipeline is 480mm, between the axis of breather pipe and the axis of pipeline in the second noise reduction section between
It is 400mm away from R2, the caliber R3 of the breather pipe in two noise reduction sections is 220mm.
In the present embodiment, the air inlet 11 of pipeline 10 is located on the end of pipeline 10, and the gas outlet 12 of pipeline 10 is located at
In the side wall of pipeline 10.Specifically, being provided with first flange 13 at the air inlet 11 of pipeline 10, first flange 13 is used for connecting pipe
10 and bellows；Second flange 14 is provided with the gas outlet 12 of pipeline 10, second flange 14 is used for connecting pipe 10 and bend pipe.
Of course, in other embodiments, the number of noise reduction section can be set to three, four or greater number；Noise reduction
The noise reduction precision of section can be adjusted as needed, for example first carry out thin noise reduction, then carry out thick noise reduction；Noise reduction section Center Vent tube
Number can also be three, six or greater number；First flange and second flange can selectively be set；Noise reduction section
And the structural parameters of pipeline can be adjusted according to being actually needed, here is omitted.
It should be noted that above-described embodiment can independent assortment as needed.Described above is only of the present utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. silencer, it is characterised in that：Including pipeline, the pipeline is provided with air inlet and gas outlet, is provided with multiple muffler sections in the pipeline, multiple described to disappear Sound section is located between the air inlet and gas outlet, and is set along gas circulating direction, between the adjacent muffler section With gap.
- 2. silencer according to claim 1, it is characterised in that：In the same muffler section, including multiple breather pipes, the diameter parallel of the axis of the breather pipe and the pipeline, and Multiple breather pipes are identical with the spacing between the axis of the pipeline, the inwall of the outer wall of the breather pipe and the pipeline Between be filled with noise elimination cotton, be also filled with noise elimination cotton between the breather pipe.
- 3. silencer according to claim 2, it is characterised in that：Also include support in the muffler section, the support is used to fix the breather pipe.
- 4. silencer according to claim 2, it is characterised in that：In the different muffler sections, the caliber all same of the breather pipe, the number of the breather pipe is different, is circulated along gas Direction, the number of the breather pipe in the muffler section gradually decrease.
- 5. silencer according to claim 2, it is characterised in that：In the different muffler sections, the distance between axis of the axis of the breather pipe and pipeline difference, along gas Circulating direction, the distance are gradually reduced.
- 6. silencer according to claim 2, it is characterised in that：In the different muffler sections, the length of the breather pipe is different, along gas circulating direction, the ventilation in the muffler section The length of pipe gradually increases.
- 7. silencer according to claim 2, it is characterised in that：Two muffler sections are provided with the pipeline, are the first muffler section close to air inlet, are eliminated the noise close to gas outlet for second Section, five the first breather pipes are provided with first muffler section, four the second breather pipes are provided with second muffler section；The caliber of first breather pipe is identical with the caliber of second breather pipe, first breather pipe and the pipeline The distance between axis is more than the distance between axis of second breather pipe and the pipeline, and first breather pipe Length is less than the length of second breather pipe.
- 8. silencer according to claim 1, it is characterised in that：The air inlet of the pipeline is located on the end of the pipeline, and the gas outlet of the pipeline is located at the side wall of the pipeline On.
- 9. silencer according to claim 1, it is characterised in that：First flange is provided with the air inlet of the pipeline, the first flange is used for connecting pipe and bellows；The pipeline Gas outlet at be provided with second flange, the second flange is used for connecting pipe and bend pipe.
- 10. silencer according to claim 1, it is characterised in that：The noise elimination precision of multiple muffler sections is different, and the noise elimination precision of the muffler section close to the air inlet is less than close to going out The noise elimination precision of the muffler section of gas port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720720091.5U CN207033546U (en) | 2017-06-20 | 2017-06-20 | A kind of silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720720091.5U CN207033546U (en) | 2017-06-20 | 2017-06-20 | A kind of silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033546U true CN207033546U (en) | 2018-02-23 |
Family
ID=61468180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720720091.5U Active CN207033546U (en) | 2017-06-20 | 2017-06-20 | A kind of silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033546U (en) |
-
2017
- 2017-06-20 CN CN201720720091.5U patent/CN207033546U/en active Active
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| GR01 | Patent grant |