CN203654206U - Full-closed sound barrier ventilating system - Google Patents
Full-closed sound barrier ventilating system Download PDFInfo
- Publication number
- CN203654206U CN203654206U CN201320844781.3U CN201320844781U CN203654206U CN 203654206 U CN203654206 U CN 203654206U CN 201320844781 U CN201320844781 U CN 201320844781U CN 203654206 U CN203654206 U CN 203654206U
- Authority
- CN
- China
- Prior art keywords
- air
- sound barrier
- pipeline section
- ventilating
- totally
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 48
- 238000009423 ventilation Methods 0.000 claims abstract description 52
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000003584 silencer Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Duct Arrangements (AREA)
Abstract
The utility model discloses a full-closed sound barrier ventilating system which is arranged at the top of a full-closed sound barrier. The full-closed sound barrier ventilating system comprises a ventilating pipeline, wherein a plurality of parallel muffling sheets are arranged in the ventilating pipeline; an air inlet louver is arranged at an air inlet of the ventilating pipeline; an air discharging louver is arranged at an air outlet of the ventilating pipeline; a ventilating fan for outward forced ventilation is also arranged in the ventilating pipeline. The ventilating pipeline is arranged at the top of the full-closed sound barrier, the air inlet louver and the air outlet louver are arranged at two ends of the ventilating pipeline; meanwhile the ventilating fan and the muffling sheets are arranged in the ventilating pipeline, so that sound leakage at a hole in the top of the full-closed sound barrier can be relieved, and a good ventilating effect is achieved; little sound energy of inner traffic noise can be transmitted from the ventilating pipeline, so that the sound barrier can be really fully closed; the ventilating system runs in a natural ventilating mode and a forced ventilating mode, so that energy can be saved; ventilation under a special requirement can be implemented; the ventilating system is low in noise, and secondary noise pollution can be avoided.
Description
Technical field
The utility model relates to a kind of field of Environment Protection traffic noise treatment equipment, is specifically related to a kind of totally-enclosed sound barrier ventilation system.
Background technology
Because transport development in this year is rapid, the traffic noise thereupon bringing has brought very large puzzlement also to social resident, in the location of the noise-sensitive such as school, hospital, residential quarters, requires higher to ambient noise and traffic noise treatment.In order to meet the requirement of sensitive spot acoustic environment, can build sound barrier particularly the facility such as totally-enclosed sound barrier meet noise reduction requirement, totally-enclosed sound barrier has been obtained good effect for traffic noise treatment, but the tail gas that the vehicles such as automobile produce is easily gathered in totally-enclosed sound barrier inside, particularly running into traffic congestion or having an accident in the situation such as on fire, in totally-enclosed sound barrier, air quality sharply declines.In order to solve the totally-enclosed sound barrier internal air stream topic of corresponding, need to ventilation system be set at totally-enclosed sound barrier.
Some sound barrier ventilation systems adopted and solved ventilating problem in the unlimited mode in sound barrier top in the past, can produce obvious noise diffraction like this at unlimited position, greatly reduced the noise reduction of totally-enclosed sound barrier.The unlimited sound barrier in top reduces because noise diffraction causes noise reduction, and opening wide due to top has not been totally-enclosed sound barrier truly.
Patent ZL201120077147.2 " totally-enclosed noise barrier ventilation silencer " has proposed a kind of totally-enclosed sound barrier aeration technology, this technology adopts the ventilation silencer of natural ventilation, sound absorber adopts V font labyrinth type air duct, sound absorber is arranged on the both sides of the ventilation clerestory at sound barrier top, and air-out blinds is just to sensitive spot.
Chinese patent literature CN 202099754U discloses totally-enclosed noise barrier ventilation silencer, by entering, air draft aluminium alloy window and some muffler plates form the casing that is rectangle, both sides, the long limit of casing respectively arrange air feed shutter window and air draft shutter, some muffler plates are set in casing and form V-arrangement labyrinth type air duct.Realizing in process of the present invention, inventor finds that above-mentioned patent documentation exists following problem:
1, adopt V font labyrinth type air duct, this structure can increase the resistance that air passes through, and reduces air Negotiation speed, reduces rate of air circulation, and the consequence of directly bringing is that ventilator drafting efficiency is low, can not meet totally-enclosed sound barrier inner ventilation ventilation requirement.
2, its air outlet is just to sensitive spot,, from the air outlet diffraction noise out sensitive spot that can go directly, reduces the noise reduction to sensitive spot.
3, running into the special circumstances such as automobile is on fire, only depend on natural ventilation can not meet air-conditioning requirement.
Utility model content
In order to solve the problem of prior art, reduce system wind resistance, make air-flow operation more smooth and easy, improve ventilation volume, the utility model provides a kind of totally-enclosed sound barrier ventilation system.
Described technical scheme is as follows:
A kind of totally-enclosed sound barrier ventilation system, it is arranged at the top of sound barrier, comprise a ventilating duct, in it, be provided with multiple anechoic sheets that be arranged in parallel, air intake place at described ventilating duct is provided with air feed shutter, be provided with air draft blinds at its air outlet place, in described ventilating duct, be also provided with the ventilation blower fan for outwards forcing air draft.
Described ventilating duct comprises the air intake pipeline section and the air-out pipeline section that are 90 degree settings, and the length dimension of described air-out pipeline section is greater than the length dimension of described air intake pipeline section, and described air-out pipeline section is along the direction setting of road extension.
Described ventilation blower fan and anechoic sheet are all arranged in the air-out pipeline section of described ventilating duct, and multiple described anechoic sheet is arranged between described ventilation blower fan and the outlet of described air-out pipeline section.
In described air intake pipeline section and in air-out pipeline section, be equipped with multiple described anechoic sheets, described ventilation blower fan is arranged between the anechoic sheet in anechoic sheet and the described air-out pipeline section in described air intake pipeline section.
Multiple described anechoic sheets are tabular, and it forms the direct-discharging air channel towards air outlet along the length direction setting of air-out pipeline section between anechoic sheet described in adjacent two.
Described direct-discharging duct dimension is 50-150mm.
Multiple described anechoic sheets are wavy, and it forms the multiple wavy air channel towards air outlet along the length direction setting of air-out pipeline section between multiple described anechoic sheets.
Described wavy air channel is of a size of 50-150mm.
Inside sidewalls plate and the anechoic sheet of described ventilating duct are perforated plate.
The beneficial effect that the technical scheme that the utility model provides is brought is:
A. the utility model arranges ventilating duct by the top at totally-enclosed sound barrier, the two ends of ventilating duct arrange air feed shutter and air-out blinds, ventilation blower fan and anechoic sheet are set simultaneously in ventilating duct, can reduce the leakage sound at unlatching hole, totally-enclosed sound barrier top, there is good ventilation effect, internal transportation sound energy spreads out of less from ventilating duct, can make sound barrier realize real totally-enclosed, ventilation system operation can adopt natural ventilation and forced ventilation mode, save the energy, meet the ventilation under specific demand, the noise of ventilation system own is little, and can not cause quadratic noise to pollute.
B. ventilation system air-out pipeline section extends and arranges along road direction, can, just to sensitive spot, not reduce noise direct projection, improves overall noise reduction.
C. fan operation control mode is flexible, can control in real time according to magnitude of traffic flow situation, effectively regulates sound barrier inner air quality.
D. many direct-discharging air channel or the wavy air channels that anechoic sheet forms, its windage is little, is conducive to the discharge of air in sound barrier.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is totally-enclosed sound barrier overall structure figure provided by the utility model;
Fig. 2 is the ventilation system structural representation of a kind of form of structure provided by the utility model;
Fig. 3 is the ventilation system structural representation of another kind of form of structure provided by the utility model;
Fig. 4 is the ventilation system plan structure schematic diagram (direct-discharging air channel structure) of a kind of structure in Fig. 2;
Fig. 5 is the ventilation system plan structure schematic diagram (wavy air channel structure) of another structure in Fig. 2.
In figure:
1-sound barrier; 2-ventilating duct; 21-air intake pipeline section, 22-air-out pipeline section; 3-ventilation blower fan; 4-anechoic sheet; 5-air feed shutter; 6-air draft blinds; 7-sidewall; 8-direct-discharging air channel; The wavy air channel of 9-.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figures 1 to 4, the totally-enclosed sound barrier ventilation system of one shown in figure, it is arranged at the top of sound barrier 1, comprise a ventilating duct 2, in it, be provided with multiple anechoic sheets that be arranged in parallel 4, be provided with air feed shutter 5 at the air intake place of ventilating duct 2, be provided with air draft blinds 6 at its air outlet place, in ventilating duct 2, be also provided with the ventilation blower fan 3 for outwards forcing air draft, as shown in Figure 2.Ventilating duct 2 is wherein 90 degree elbow structures, comprises air intake pipeline section 21 and air-out pipeline section 22, the direction setting that air-out pipeline section 22 extends along road.
As shown in Figure 2, ventilation blower fan 3 and anechoic sheet 4 are all arranged in the air-out pipeline section 22 of ventilating duct 2, and multiple anechoic sheet 4 is arranged between ventilation blower fan 3 and the outlet of air-out pipeline section 22.
Or preferably, as shown in Figure 3, in air intake pipeline section 21 He in air-out pipeline section 22, being equipped with multiple anechoic sheets 4, ventilation blower fan 3 is arranged between the anechoic sheet 4 in anechoic sheet 4 and the air-out pipeline section 22 in air intake pipeline section 21.
Multiple anechoic sheets 4 are tabular, form direct-discharging air channel 8, as shown in Figure 4 between adjacent two anechoic sheets 4.
The direct-discharging air channel 8 forming between adjacent two anechoic sheets 4 is of a size of 50-150mm.
In addition, provide the exhaust duct structure of another kind of form of structure in Fig. 5, anechoic sheet 4 is wherein wavy, forms wavy air channel 9 between multiple anechoic sheets, and wavy air channel 9 is wherein of a size of 50-150mm.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a totally-enclosed sound barrier ventilation system, it is arranged at the top of sound barrier, comprise a ventilating duct, in it, be provided with multiple anechoic sheets that be arranged in parallel, air intake place at described ventilating duct is provided with air feed shutter, be provided with air draft blinds at its air outlet place, it is characterized in that, in described ventilating duct, be also provided with the ventilation blower fan for outwards forcing air draft.
2. totally-enclosed sound barrier ventilation system according to claim 1, it is characterized in that, described ventilating duct comprises the air intake pipeline section and the air-out pipeline section that are 90 degree settings, the length dimension of described air-out pipeline section is greater than the length dimension of described air intake pipeline section, and described air-out pipeline section is along the direction setting of road extension.
3. totally-enclosed sound barrier ventilation system according to claim 2, it is characterized in that, described ventilation blower fan and anechoic sheet are all arranged in the air-out pipeline section of described ventilating duct, and multiple described anechoic sheet is arranged between described ventilation blower fan and the outlet of described air-out pipeline section.
4. totally-enclosed sound barrier ventilation system according to claim 2, it is characterized in that, in described air intake pipeline section and in air-out pipeline section, be equipped with multiple described anechoic sheets, described ventilation blower fan is arranged between the anechoic sheet in anechoic sheet and the described air-out pipeline section in described air intake pipeline section.
5. according to the totally-enclosed sound barrier ventilation system described in claim 3 or 4, it is characterized in that, multiple described anechoic sheets are tabular, and it forms the direct-discharging air channel towards air outlet along the length direction setting of air-out pipeline section between anechoic sheet described in adjacent two.
6. totally-enclosed sound barrier ventilation system according to claim 5, is characterized in that, described direct-discharging duct dimension is 50-150mm.
7. according to the totally-enclosed sound barrier ventilation system described in claim 3 or 4, it is characterized in that, multiple described anechoic sheets are wavy, and it forms the multiple wavy air channel towards air outlet along the length direction setting of air-out pipeline section between multiple described anechoic sheets.
8. totally-enclosed sound barrier ventilation system according to claim 7, is characterized in that, described wavy air channel is of a size of 50-150mm.
9. totally-enclosed sound barrier ventilation system according to claim 1, is characterized in that, inside sidewalls plate and the anechoic sheet of described ventilating duct are perforated plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844781.3U CN203654206U (en) | 2013-12-19 | 2013-12-19 | Full-closed sound barrier ventilating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844781.3U CN203654206U (en) | 2013-12-19 | 2013-12-19 | Full-closed sound barrier ventilating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654206U true CN203654206U (en) | 2014-06-18 |
Family
ID=50920613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320844781.3U Expired - Lifetime CN203654206U (en) | 2013-12-19 | 2013-12-19 | Full-closed sound barrier ventilating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203654206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034800A (en) * | 2017-06-09 | 2017-08-11 | 山西军昊实业有限公司 | Closed tunnel structure sound barrier |
| CN109931297A (en) * | 2017-12-18 | 2019-06-25 | 厦门嘉达环保科技有限公司 | Metope exhaust fan composite muffler |
-
2013
- 2013-12-19 CN CN201320844781.3U patent/CN203654206U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034800A (en) * | 2017-06-09 | 2017-08-11 | 山西军昊实业有限公司 | Closed tunnel structure sound barrier |
| CN109931297A (en) * | 2017-12-18 | 2019-06-25 | 厦门嘉达环保科技有限公司 | Metope exhaust fan composite muffler |
| CN109931297B (en) * | 2017-12-18 | 2024-06-04 | 厦门嘉达环保科技有限公司 | Wall exhaust fan composite muffler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207797321U (en) | A kind of new wind turbine of air conditioner with air purification | |
| CN206406730U (en) | A kind of vehicular air purifier | |
| CN206611079U (en) | A kind of ventilation noise reduction system of mobile power vehicle | |
| CN206387083U (en) | Air conditioner air outlet device and air conditioner | |
| CN203654206U (en) | Full-closed sound barrier ventilating system | |
| CN209516409U (en) | The ventilation silencer of indoor substation | |
| CN203869238U (en) | Muting air-conditioning unit for air cooled heat pump | |
| CN207634397U (en) | Ventilation silencer | |
| CN203905758U (en) | Ventilation sound-insulation window | |
| CN111188644A (en) | Multi-ventilation system of underground fan room | |
| CN104165450A (en) | Power recovery type tubular muffler | |
| CN202099754U (en) | Totally-closed sound insulation barrier ventilation silencer | |
| CN202532681U (en) | Automobile-used overhead air-conditioning device | |
| CN207064950U (en) | A kind of Novel muffler for exhaust outlet | |
| CN212863716U (en) | Intelligent ventilation structure of wisdom security protection and wisdom city | |
| CN207113030U (en) | Indoor set and air-conditioning system | |
| CN104296341B (en) | Air duct structure and air conditioner | |
| CN202133047U (en) | Novel full-heat recovery type fan set | |
| CN206092122U (en) | Novel silencer is used to agricultural vehicle | |
| CN206891220U (en) | A kind of large cooling column porting silencing apparatus | |
| CN203893388U (en) | Power recycling type tubular silencer | |
| CN216198211U (en) | Ventilation and heat extraction device for subway tunnel | |
| CN205208800U (en) | Air conditioning equipment and bamboo return air inlet inside lining filter plate thereof | |
| CN207111155U (en) | Single-machine double-supply ventilation device for small-clear-distance tunnel | |
| CN203462725U (en) | Exhaust duct with return stopping function and exhaust system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |