CN206556222U - A kind of airduct sound-deadening and noise-reducing device and air duct structure - Google Patents
A kind of airduct sound-deadening and noise-reducing device and air duct structure Download PDFInfo
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- CN206556222U CN206556222U CN201621446141.7U CN201621446141U CN206556222U CN 206556222 U CN206556222 U CN 206556222U CN 201621446141 U CN201621446141 U CN 201621446141U CN 206556222 U CN206556222 U CN 206556222U
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- airduct
- noise
- sound
- deadening
- reducing device
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Abstract
The utility model belongs to ventilating system noise reduction technical field, and disclosing a kind of airduct sound-deadening and noise-reducing device includes：Tubular shell；Noise reduction heat-insulation layer, the noise reduction heat-insulation layer is fixed on the tubular shell inwall；Bloop, the bloop is fixed in the tubular shell, and the tubular shell inner chamber is divided into at least two individual cavities.The utility model provides a kind of simple in construction, device of effect excellent effect.
Description
Technical field
The utility model is related to ventilating system noise reduction technical field, more particularly to a kind of airduct sound-deadening and noise-reducing device and airduct
Structure.
Background technology
With SOLAS pacts and the continuous improvement of International Labor Convention requirement, shipowner will to the environment of the accommodation space for vessels
Seek also more and more higher.The structure outage of superstructure is extremely limited, and in order to ensure floor height, airduct typically all employs 100mm very
To the high Flat air pipes of 80mm, the wind speed in this kind of airduct pipeline is very fast, and the noise of wind is very big, and airduct vibration can also increase therewith
Greatly.
At present, some domestic air-conditioning equipment factories take a series of sound-deadening and noise-reducing measure in airduct equipment, are come with this
The noise in air pipeline is controlled, but adds the volume of equipment simultaneously, the size of whole system airduct, area occupied is increased
Larger, the arrangement of equipment and pipeline is more difficult.Meanwhile, it uses straight pipe type internal structure, and the erasure effect of high frequency sound is very poor,
It is difficult to the effect for reaching sound-deadening and noise-reducing when air quantity is larger.
Utility model content
The utility model provides a kind of airduct sound-deadening and noise-reducing device and air duct structure, solves ventilating system in the prior art and disappears
Sound noise reducing apparatus is bulky, and arrangement difficulty is big, the technical problem that erasure effect is undesirable and high frequency erasure effect is poor.
Include in order to solve the above technical problems, the utility model provides a kind of airduct sound-deadening and noise-reducing device：
Tubular shell；
Noise reduction heat-insulation layer, the noise reduction heat-insulation layer is fixed on the tubular shell inwall；
Bloop, the bloop is fixed in the tubular shell, and the tubular shell inner chamber is divided into at least two
Individual cavity.
Further, described device also includes：Microperforated panel；
The microperforated panel is fixed on the noise reduction heat-insulation layer.
Further, the bloop includes：Mineral wool layer.
Further, described device also includes：Galvanized wire mesh；
The galvanized wire mesh is fixed on the bloop both sides, and the glass surface is laminated into centre.
Further, the noise reduction heat-insulation layer includes：High density centrifugation formaldehyde-free glass fiber cotton layer.
Further, described device also includes：Adpting flange；
The adpting flange is fixed on the tubular shell end.
Further, the microperforated panel uses aluminium sheet.
Further, the tubular shell uses galvanized sheet.
Further, the tubular shell is square-tube-shaped housing.
A kind of air duct structure includes：Airduct and described airduct sound-deadening and noise-reducing device；
The airduct sound-deadening and noise-reducing device is fixed on the airduct, is connected with the airduct.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
The airduct sound-deadening and noise-reducing device provided in the embodiment of the present application, by setting noise reduction heat-insulation layer to absorb acoustic energy, reaches
The effect of sound-deadening and noise-reducing；Ventilating duct is separated into by least two passages by bloop, ventilating duct section reduces, and can improve the upper limit
Failure frequency, lift pins are to high-frequency noise sound-deadening and noise-reducing effect；Meanwhile, itself also increases quieter material facing table
Product, the sound-damping qualities of device accordingly increase, and significantly reduce the noise of airduct；Evenly distribute air quantity.
Further, the air in the air column and air chamber at the small aperture on microperforated panel constitutes a clamping plate and disappeared
Sound structure, when ambient noise audio is identical with elastic system intrinsic frequency, causes the strong resonance of air at small-bore, produces
Friction makes device reach the effect of sound-deadening and noise-reducing so as to sound energy consumption.
Further, device appearance shape of cross section is flat, efficiently solves that equipment volume is big, air pipeline airduct chi
The problems such as very little big, area occupied big difficult arrangement, saved the confined space on ship, improve space availability ratio and it is local flexibly
Property；Device internal structure is simplified, and manufacture is easy, and highly reliable, cost is relatively low.
Brief description of the drawings
The airduct sound-deadening and noise-reducing device structural representation that Fig. 1 provides for the utility model；
Fig. 2 is Fig. 1 sectional view.
Embodiment
The embodiment of the present application is divulged information in the prior art by providing a kind of airduct sound-deadening and noise-reducing device and air duct structure, solution
System sound-deadening and noise-reducing equipment volume is huge, and arrangement difficulty is big, the technical problem of erasure effect difference and high frequency erasure effect difference；Reach
Simplify the effect of structure, lifting erasure effect and high frequency noise reduction.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this Shen
Please technical scheme detailed description, rather than the restriction to technical scheme, in the case where not conflicting, the application is real
Applying the technical characteristic in example and embodiment can be mutually combined.
Referring to Fig. 1 and Fig. 2, a kind of airduct sound-deadening and noise-reducing device includes：
Tubular shell 4；
Noise reduction heat-insulation layer 2, the noise reduction heat-insulation layer 2 is fixed on the inwall of tubular shell 4；Absorb acoustic energy, Neng Gou great
Width noise elimination noise reduction.
Bloop 6, the bloop 6 is fixed in the tubular shell 4, and the inner chamber of tubular shell 4 is divided at least
Two individual cavities.Ventilating duct is separated into two or more passage, ventilating duct section reduces, upper limit failure frequency can be improved
Rate；Meanwhile, because adding quieter material facing table product, the sound-damping qualities of device accordingly increase, and significantly reduce airduct
Noise；Evenly distribute air quantity.
Further, described device also includes：Microperforated panel；The microperforated panel is fixed on the noise reduction heat-insulation layer.
Air in the air column and air chamber at small aperture on microperforated panel constitutes a clamping plate noise-reducing structure, works as ambient noise
When audio is identical with elastic system intrinsic frequency, cause the strong resonance of air at small-bore, produce friction so as to sound energy consumption,
Device is set to reach the effect of sound-deadening and noise-reducing.
Further, the bloop includes：Mineral wool layer.Described device also includes：Galvanized wire mesh 5；It is described zinc-plated
Wire netting 5 is fixed on the both sides of bloop 6, and the glass surface is laminated into centre.The noise reduction heat-insulation layer includes：High density
Centrifuge formaldehyde-free glass fiber cotton layer.
Described device also includes：Adpting flange 1；The adpting flange 1 is fixed on the end of tubular shell 4；For even
Air duct.
Further, the microperforated panel 3 uses aluminium sheet.The tubular shell 4 uses galvanized sheet.
Further, the tubular shell 4 is square-tube-shaped housing.Outward appearance shape of cross section is put for flat, is efficiently solved
Equipment volume is big, air pipeline airduct size is big, area occupied big difficult arrangement the problems such as, saved the confined space on ship,
Improve space availability ratio and local flexibility.
A kind of air duct structure includes：Airduct and described airduct sound-deadening and noise-reducing device；
The airduct sound-deadening and noise-reducing device is fixed on the airduct, is connected with the airduct.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
The airduct sound-deadening and noise-reducing device provided in the embodiment of the present application, by setting noise reduction heat-insulation layer to absorb acoustic energy, reaches
The effect of sound-deadening and noise-reducing；Ventilating duct is separated into by least two passages by bloop, ventilating duct section reduces, and can improve the upper limit
Failure frequency, lift pins are to high-frequency noise sound-deadening and noise-reducing effect；Meanwhile, itself also increases quieter material facing table
Product, the sound-damping qualities of device accordingly increase, and significantly reduce the noise of airduct；Evenly distribute air quantity.
Further, the air in the air column and air chamber at the small aperture on microperforated panel constitutes a clamping plate and disappeared
Sound structure, when ambient noise audio is identical with elastic system intrinsic frequency, causes the strong resonance of air at small-bore, produces
Friction makes device reach the effect of sound-deadening and noise-reducing so as to sound energy consumption.
Further, device appearance shape of cross section is flat, efficiently solves that equipment volume is big, air pipeline airduct chi
The problems such as very little big, area occupied big difficult arrangement, saved the confined space on ship, improve space availability ratio and it is local flexibly
Property；Device internal structure is simplified, and manufacture is easy, and highly reliable, cost is relatively low.
It should be noted last that, above embodiment is only to illustrate the technical solution of the utility model rather than limit
System, although the utility model is described in detail with reference to example, it will be understood by those within the art that, can be right
The technical solution of the utility model is modified or equivalent substitution, without departing from the spirit and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (10)
1. a kind of airduct sound-deadening and noise-reducing device, it is characterised in that including：
Tubular shell；
Noise reduction heat-insulation layer, the noise reduction heat-insulation layer is fixed on the tubular shell inwall；
Bloop, the bloop is fixed in the tubular shell, and it is independent that the tubular shell inner chamber is divided into at least two
Cavity.
2. airduct sound-deadening and noise-reducing device as claimed in claim 1, it is characterised in that described device also includes：Microperforated panel；
The microperforated panel is fixed on the noise reduction heat-insulation layer.
3. airduct sound-deadening and noise-reducing device as claimed in claim 2, it is characterised in that the bloop includes：Mineral wool layer.
4. airduct sound-deadening and noise-reducing device as claimed in claim 3, it is characterised in that described device also includes：Galvanized wire mesh；
The galvanized wire mesh is fixed on the bloop both sides, and the glass surface is laminated into centre.
5. airduct sound-deadening and noise-reducing device as claimed in claim 4, it is characterised in that the noise reduction heat-insulation layer includes：High density
Centrifuge formaldehyde-free glass fiber cotton layer.
6. airduct sound-deadening and noise-reducing device as claimed in claim 5, it is characterised in that described device also includes：Adpting flange；
The adpting flange is fixed on the tubular shell end.
7. airduct sound-deadening and noise-reducing device as claimed in claim 6, it is characterised in that：The microperforated panel uses aluminium sheet.
8. airduct sound-deadening and noise-reducing device as claimed in claim 6, it is characterised in that：The tubular shell uses galvanized sheet.
9. the airduct sound-deadening and noise-reducing device as described in any one of claim 1~8, it is characterised in that the tubular shell is square tube
Shape housing.
10. a kind of air duct structure, it is characterised in that including：Airduct and the airduct as described in any one of claim 1~9 disappear
Sound denoising device；
The airduct sound-deadening and noise-reducing device is fixed on the airduct, is connected with the airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446141.7U CN206556222U (en) | 2016-12-27 | 2016-12-27 | A kind of airduct sound-deadening and noise-reducing device and air duct structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446141.7U CN206556222U (en) | 2016-12-27 | 2016-12-27 | A kind of airduct sound-deadening and noise-reducing device and air duct structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206556222U true CN206556222U (en) | 2017-10-13 |
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ID=60359261
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621446141.7U Active CN206556222U (en) | 2016-12-27 | 2016-12-27 | A kind of airduct sound-deadening and noise-reducing device and air duct structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344042A (en) * | 2018-01-31 | 2018-07-31 | 武汉飞环保科技有限责任公司 | There is the split type fresh air air cleaner of denoising device |
| CN110440430A (en) * | 2019-08-28 | 2019-11-12 | 安徽安缆模具有限公司 | A kind of idle call goes noise improved air duct to support |
| CN113501124A (en) * | 2021-07-21 | 2021-10-15 | 上海外高桥造船有限公司 | Ship structural air pipe with silencer and installation method thereof, and ship |
-
2016
- 2016-12-27 CN CN201621446141.7U patent/CN206556222U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344042A (en) * | 2018-01-31 | 2018-07-31 | 武汉飞环保科技有限责任公司 | There is the split type fresh air air cleaner of denoising device |
| CN110440430A (en) * | 2019-08-28 | 2019-11-12 | 安徽安缆模具有限公司 | A kind of idle call goes noise improved air duct to support |
| CN110440430B (en) * | 2019-08-28 | 2020-12-18 | 安徽安缆模具有限公司 | Noise-removing improved air duct support for air conditioner |
| CN113501124A (en) * | 2021-07-21 | 2021-10-15 | 上海外高桥造船有限公司 | Ship structural air pipe with silencer and installation method thereof, and ship |
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