CN203429988U - Exhaust duct and exhaust system with function of noise elimination - Google Patents
Exhaust duct and exhaust system with function of noise elimination Download PDFInfo
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- CN203429988U CN203429988U CN201320542655.2U CN201320542655U CN203429988U CN 203429988 U CN203429988 U CN 203429988U CN 201320542655 U CN201320542655 U CN 201320542655U CN 203429988 U CN203429988 U CN 203429988U
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- exhaust duct
- exhaust
- noise elimination
- noise
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Abstract
The utility model discloses an exhaust duct with a function of noise elimination and an exhaust system with a function of noise elimination. A plurality of noise eliminating partition boards are fixed on the inwall of the exhaust duct in the radial direction, and the plurality of noise eliminating partition boards are distributed in a staggered manner. According to the exhaust duct with the function of noise elimination and the exhaust system with the function of noise elimination provided by the utility model, the noise can be effectively reduced by fixing the plurality of noise eliminating partition boards which are distributed in a staggered manner in the radial direction on the inwall of the exhaust duct when the exhaust air flow is large and the exhaust wind speed is high.
Description
Technical field
The utility model relates to building field, particularly a kind of exhaust duct and exhaust system with noise elimination function.
Background technology
Fig. 1 is the structural representation of exhaust duct and exhaust system in prior art, shown in Fig. 1, the exhaust system using in existing building is, in the kitchen of every floor and rest room, exhaust duct 11 is set, each exhaust duct 11 is provided with air outlet 12 with the indoor end being connected, the other end of exhaust duct 11 is communicated to air draft house steward 13, air draft house steward 13 stretches out outside the body of wall 14 of building body, is also provided with blast cap 15 in addition on air outlet 12.Air outlet 12 is discharged the room air of every layer of each household outside building body after exhaust duct 11 is aggregated into air draft house steward 13.
In prior art, the defect of exhaust duct and exhaust system is: when exhaust air rate is large, air draft wind speed is when high, because exhaust duct 11 does not have noise countermeasure, can produce larger noise, Indoor Environmental Quality and resident's comfort level while affecting air draft.
Utility model content
The purpose of this utility model is the shortcoming that overcomes prior art, and a kind of exhaust duct and exhaust system with noise elimination function is provided, when exhaust air rate is large, air draft wind speed is when high, reduces noise.
In order to achieve the above object, the utility model proposes a kind of exhaust duct with noise elimination function, a plurality of sound gobos of fixing in the radial direction of described exhaust duct inwall, are interspersed between a plurality of described sound gobos.
As technique scheme preferably, between a plurality of described sound gobos, be labyrinth type and be interspersed.
As technique scheme preferably, the material of described sound gobo is rock wool.
On inwall as the preferred described exhaust duct of technique scheme, be also provided with silencer wall.
As technique scheme preferably, the material of described silencer wall is rock wool.
As technique scheme preferably, described exhaust duct is of a size of 110～130mm.
Technical solutions of the utility model also provide a kind of exhaust system with noise elimination function, comprise the exhaust duct described in above-mentioned any one.
Effect of the present utility model is:
A kind of exhaust duct and exhaust system with noise elimination function that the utility model provides, by a plurality of sound gobos that are interspersed of fixing in the radial direction of exhaust duct inwall, when exhaust air rate is large, air draft wind speed can reduce noise when high effectively.
Accompanying drawing explanation
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and easily understand.
Fig. 1 is the structural representation of exhaust duct and exhaust system in prior art;
Fig. 2 is the exhaust duct structure schematic diagram with noise elimination function that the utility model one embodiment provides.
Number in the figure is as follows:
11, exhaust duct; 12, air outlet; 13, air draft house steward; 14, body of wall; 15, blast cap;
21, exhaust duct; 22, air outlet; 23, air draft house steward; 24, body of wall; 25, blast cap;
26, sound gobo; 27, silencer wall.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 2 is the exhaust duct structure schematic diagram with noise elimination function that the utility model one embodiment provides, as shown in Figure 2, a kind of exhaust duct with noise elimination function that the present embodiment provides, a plurality of sound gobos 26 of fixing in the radial direction of exhaust duct 21 inwalls, are interspersed between a plurality of sound gobos 26.The sound gobo 26 being interspersed can effectively reduce in air draft process the noise due to the excessive generation of vibration amplitude.The exhaust duct with noise elimination function that the present embodiment provides, by a plurality of sound gobos that are interspersed of fixing in the radial direction of exhaust duct inwall, when exhaust air rate is large, air draft wind speed can reduce noise when high effectively.
As technique scheme preferably, between a plurality of sound gobos 26, be labyrinth type and be interspersed.Select labyrinth type to be interspersed and can further reduce noise.
As technique scheme preferably, the material of sound gobo 26 is rock wool.Rock wool, claims again rock wool, is a kind of of mineral wool.Take the puffy short glass fibre that natural rock and mineral etc. make as raw material.Rock wool be take natural rock as basalt, gabbro, dolomite, iron ore, bauxite etc. be primary raw material, through high temperature melting, fibrillatable and the inorganic fibre of making.Rock wool, mineral wool goods have good sound insulation and sound absorbing capabilities, and its sound absorbing mechanism is that this goods have cellular structure, and when sound wave passes through, the effect generation friction due to flow resistance, makes a part for acoustic energy be absorbed by fiber, has hindered the transmission of sound wave.Due to family expenses air draft wind speed little, adopt rock wool to make sound gobo as sound absorption material, and sound gobo is carried out to labyrinth type and arrange, make its effect of playing dissipative muffler, can effectively reduce original noise.
As technique scheme preferably, on the inwall of exhaust duct 21, be also provided with silencer wall 27.As shown in Figure 2, silencer wall 27 is set on the inwall of exhaust duct 21 can further be adsorbed noise, thereby reduces noise.
As technique scheme preferably, the material of silencer wall 27 is rock wool.Similar with sound gobo 26, preferably use rock wool material.Certainly sound gobo 26 can be structure as a whole with silencer wall 27, carries out integrated processing, and then integrally pack on the inwall of exhaust duct 21 in the time of design according to the inner wall shape of exhaust duct 21 and size.
Improved exhaust duct 21 is owing to being provided with sound gobo 26 and the silencer wall 27 of the materials such as rock wool as sound absorption material making in inwall, sound gobo 26 adopts labyrinth type to be arranged in exhaust duct 21, in order not change effective air draft caliber of exhaust duct 21, as technique scheme preferably, the diameter of exhaust duct 21 is compared and need to be increased by 15%～30% with the diameter of existing exhaust duct 21, and exhaust duct 21 is of a size of 110～130mm.Concrete, in prior art, exhaust duct caliber is 100mm conventionally, the exhaust duct caliber in the present embodiment is 120mm preferably, makes exhaust duct play the effect of dissipative muffler, can effectively reduce air draft noise, can not affect air draft effect again simultaneously.
Technical solutions of the utility model also provide a kind of exhaust system with noise elimination function, comprise the exhaust duct 21 of above-mentioned any one.
The exhaust system that the present embodiment provides be applied in building with prior art in apply similar, shown in Fig. 2, kitchen and rest room at every floor arrange exhaust duct 21, each exhaust duct 21 is provided with air outlet 22 with the indoor end being connected, the other end of exhaust duct 21 is communicated to air draft house steward 23, air draft house steward 23 stretches out outside the body of wall 24 of building body, is also provided with blast cap 25 in addition on air outlet 22.Air outlet 22 is discharged the room air of every layer of each household outside building body after exhaust duct 21 is aggregated into air draft house steward 23.In exhaust duct 21 in the exhaust system providing due to the present embodiment, be provided with sound gobo 26 and the silencer wall 27 being interspersed, when exhaust air rate is large, air draft wind speed can reduce noise when high effectively.
It should be noted that; above content is in conjunction with concrete embodiment further detailed description of the utility model; can not assert that the specific embodiment of the present utility model only limits to this; under above-mentioned guidance of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection domain of the present utility model.
Claims (7)
1. an exhaust duct with noise elimination function, is characterized in that, a plurality of sound gobos of fixing in the radial direction of described exhaust duct inwall, are interspersed between a plurality of described sound gobos.
2. the exhaust duct with noise elimination function according to claim 1, is characterized in that, is labyrinth type and is interspersed between a plurality of described sound gobos.
3. the exhaust duct with noise elimination function according to claim 2, is characterized in that, the material of described sound gobo is rock wool.
4. the exhaust duct with noise elimination function according to claim 1, is characterized in that, is also provided with silencer wall on the inwall of described exhaust duct.
5. the exhaust duct with noise elimination function according to claim 4, is characterized in that, the material of described silencer wall is rock wool.
6. the exhaust duct with noise elimination function according to claim 1, is characterized in that, described exhaust duct is of a size of 110～130mm.
7. an exhaust system with noise elimination function, is characterized in that, comprises the exhaust duct as described in any one in claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542655.2U CN203429988U (en) | 2013-09-02 | 2013-09-02 | Exhaust duct and exhaust system with function of noise elimination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542655.2U CN203429988U (en) | 2013-09-02 | 2013-09-02 | Exhaust duct and exhaust system with function of noise elimination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203429988U true CN203429988U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320542655.2U Expired - Fee Related CN203429988U (en) | 2013-09-02 | 2013-09-02 | Exhaust duct and exhaust system with function of noise elimination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203429988U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842783A (en) * | 2017-02-24 | 2017-06-13 | 苏州佳世达光电有限公司 | Electronic installation |
| CN106968416A (en) * | 2017-04-20 | 2017-07-21 | 镇江市建科工程质量检测中心有限公司 | One kind sound insulation flue structure and building system |
| CN111306680A (en) * | 2019-11-20 | 2020-06-19 | 上海建工四建集团有限公司 | Air outlet with noise reduction function |
-
2013
- 2013-09-02 CN CN201320542655.2U patent/CN203429988U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842783A (en) * | 2017-02-24 | 2017-06-13 | 苏州佳世达光电有限公司 | Electronic installation |
| CN106968416A (en) * | 2017-04-20 | 2017-07-21 | 镇江市建科工程质量检测中心有限公司 | One kind sound insulation flue structure and building system |
| CN111306680A (en) * | 2019-11-20 | 2020-06-19 | 上海建工四建集团有限公司 | Air outlet with noise reduction function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI LANGLV BUILDING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI LONGSI RENJU CONSTRUCTION TECHNOLOGY SERVICE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 200131 Free Trade Zone, Pudong, Shanghai Avenue, room 3E-2030, No. 2123 Patentee after: Shanghai Lang Lv building technology company limited Address before: 201203 3E-2030 room, No. 2123 Pudong Road, Shanghai, Pudong New Area Patentee before: SHANGHAI LANDSKY LIVING ARCHITECTURE SCIENCE & TECHNOLOGY SERVICE CO., LTD. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 200131 room 3E-2030, Pudong Avenue, Pudong New Area Free Trade Zone, Shanghai, China, 2123 Patentee after: Shanghai green building Polytron Technologies Inc Address before: 200131 Free Trade Zone, Pudong, Shanghai Avenue, room 3E-2030, No. 2123 Patentee before: Shanghai Lang Lv building technology company limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20200902 |