CN206361905U - A kind of flow resistance adjustable type louvered ventilation silencer - Google Patents
A kind of flow resistance adjustable type louvered ventilation silencer Download PDFInfo
- Publication number
- CN206361905U CN206361905U CN201621454349.3U CN201621454349U CN206361905U CN 206361905 U CN206361905 U CN 206361905U CN 201621454349 U CN201621454349 U CN 201621454349U CN 206361905 U CN206361905 U CN 206361905U
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- China
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- muffling unit
- silencer
- flow resistance
- outer framework
- rotating shaft
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Abstract
The utility model discloses a kind of flow resistance adjustable type louvered ventilation silencer, including silencer outer framework, the silencer outer framework is internally provided with the muffling unit of genesis analysis, a left side for the muffling unit, self-locking rotating shaft is provided between right two ends and silencer outer framework, the silencer outer framework is provided with rotating shaft control device with self-locking rotating shaft correspondence position, muffling unit includes muffling unit skeleton, perforated plate, flat board and absorbent treatment, the both sides of the muffling unit skeleton inner surface are provided with perforated plate, the both sides of outer surface are respectively arranged with perforated plate and flat board, outer surface side is provided with perforated plate, opposite side is provided with flat board.The beneficial effects of the utility model are：Reasonable in design, can be good at balancing the relation between flow resistance and sound deadening capacity, and ventilation silencer can in real time be adjusted according to situations such as region, season, weather, to meet the various demands under different geographical, Various Seasonal, different weather.
Description
Technical field
The utility model belongs to silencer technical field, and in particular to a kind of flow resistance adjustable type louvered ventilation silencer.
Background technology
For most of industrial premises, ventilation, which is not only, improves a kind of important means of indoor air environment, simultaneously
It is also to ensure one of major measure of the normal O＆M of equipment and noise qualified discharge in factory building.Therefore industrial premises is tightened and improved
Ventilation noise-reducing design be improve factory building in environmental quality important step, organize the inlet and outlet stream inside factory building, be factory building
It is interior to obtain due fresh air, and take away influence workers ' health and a large amount of waste heats, dirty airflow and the harmful gas of product quality
Body, the vital task as industrial premises Design of Ventilation System.
In traditional Design of ventilation, the airflow problem inside factory building is often only taken into account, and be have ignored in factory building
The external radiation problem of noise in portion.General ventilation silencer is in design and installation process both at home and abroad, often also just for disappearing
Volume carries out the design of silencer, and have ignored influence of the silencer flow resistance to power house ventilation amount.
Utility model content
The purpose of this utility model is to provide a kind of flow resistance adjustable type louvered ventilation silencer, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides following technical scheme：A kind of flow resistance adjustable type louvered ventilation disappears
Sound device, including silencer outer framework, the silencer outer framework are fixed using two ends after galvanized sheet or stainless steel plate bending
What is be made is three-back-shaped, and the silencer outer framework is internally provided with the muffling unit of genesis analysis, the muffling unit it is left and right
Self-locking rotating shaft is provided between two ends and silencer outer framework, and muffling unit is turned by self-locking rotating shaft and silencer outer framework
Dynamic connection, the silencer outer framework is provided with rotating shaft control device with self-locking rotating shaft correspondence position, and muffling unit includes eliminating the noise
Unit skeleton, perforated plate, flat board and absorbent treatment, the muffling unit skeleton section are V-type, the muffling unit skeleton inner surface
Both sides be provided with perforated plate, the both sides of outer surface are respectively arranged with perforated plate and flat board, and outer surface side is provided with perforation
Plate, opposite side is provided with flat board.
It is preferred that, the absorbent treatment inside the muffling unit is made by alkali-free hydrophobic glass silk layer of cloth internal package mineral wool layer
Into, and the thickness of absorbent treatment is 80mm-120mm.
It is preferred that, the rotating shaft control device is arranged on one end of muffling unit, and the other end of muffling unit is provided with axle
Hold, and bearing is arranged in silencer outer framework.
It is preferred that, the perforated plate and flat board are respectively a kind of bending system in galvanized sheet, stainless steel plate, aluminium alloy plate
Into.
It is preferred that, the muffling unit skeleton is that galvanized sheet or channel-section steel are bent into.
It is preferred that, the muffling unit is equidistantly positioned, and the distance between two adjacent groups muffling unit is 80mm-
120mm。
Technique effect of the present utility model and advantage：The flow resistance adjustable type louvered ventilation silencer, reasonable in design,
It is simultaneously simple to operate, it is easy to use, by the design of mineral wool layer and alkali-free hydrophobic glass silk layer of cloth, imitated with good noise elimination
Really, while can be good at balancing the relation between flow resistance and sound deadening capacity, and can be according to situations such as region, season, weather to logical
Wind silencer is adjusted in real time, to meet the various demands under different geographical, Various Seasonal, different weather.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model silencer outer framework；
Fig. 2 is the structural representation of the utility model muffling unit；
Fig. 3 is the structural representation of the utility model absorbent treatment；
Fig. 4 is the structural representation of the utility model rotating shaft control device.
In figure：1 silencer outer framework, 2 muffling units, 3 flat boards, 4 perforated plates, 5 muffling unit skeletons, 6 self-locking rotating shafts, 7
Mineral wool layer, 8 alkali-free hydrophobic glass silk layer of cloths, 9 rotating shaft control devices.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The utility model provides a kind of flow resistance adjustable type louvered ventilation silencer as Figure 1-4, including eliminates the noise
The Back Word being made is fixed using two ends after galvanized sheet or stainless steel plate bending in device outer framework 1, the silencer outer framework 1
Shape, the silencer outer framework 1 is internally provided with the muffling unit 2 of genesis analysis, the left and right two ends of the muffling unit 2 with
Self-locking rotating shaft 6 is provided between silencer outer framework 1, and muffling unit 2 passes through 1 turn of self-locking rotating shaft 6 and silencer outer framework
Dynamic connection, the silencer outer framework 1 is provided with rotating shaft control device 9, the rotating shaft control dress with the correspondence position of self-locking rotating shaft 6
9 one end for being arranged on muffling unit 2 are put, the other end of muffling unit 2 is provided with bearing, and bearing is arranged on silencer outer framework
In 1.
Further, muffling unit 2 includes muffling unit skeleton 5, perforated plate 4, flat board 3 and absorbent treatment, the muffling unit
Skeleton 5 is that galvanized sheet or channel-section steel are bent into, and section is V-type, and the both sides of the inner surface of muffling unit skeleton 5 are provided with
Perforated plate 4, the both sides of outer surface are respectively arranged with perforated plate 4 and flat board 3, and outer surface side is provided with perforated plate 4, and opposite side is set
The one kind being equipped with flat board 3, the perforated plate 4 and flat board 3 respectively galvanized sheet, stainless steel plate, aluminium alloy plate is bent into.
Further, the absorbent treatment inside the muffling unit 2 is by the internal package mineral wool layer of alkali-free hydrophobic glass silk layer of cloth 8
7 are made, and the thickness of absorbent treatment is 80mm-120mm.
Specifically, the flow resistance adjustable type louvered ventilation silencer, is adjusted by rotating shaft control device 9, flat board 3 is existed
On, perforated plate 4 prevents rainwater from entering under.4 two kinds of decoration panels of flat board 3 and perforated plate can according to different demands, using galvanized sheet,
Stainless steel plate, aluminium alloy plate.The 48kg/m3 that muffling unit inner sound absorption material need to be wrapped up from alkali-free hydrophobic glass silk layer of cloth 8
Mineral wool layer 7, sound-absorbing material thickness is identical with the thickness of muffling unit 2, and thickness control is in 80mm~120mm.Muffling unit skeleton 5
It is made up of galvanized sheet bending, or channel-section steel is made, both sides muffling unit skeleton 5 and the fixation of self-locking rotating shaft 6, to meet silencer
The regulation of flow resistance.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc.,
It should be included within protection domain of the present utility model.
Claims (6)
1. a kind of flow resistance adjustable type louvered ventilation silencer, including silencer outer framework (1), it is characterised in that：It is described to eliminate the noise
Three-back-shaped, the silencer housing being made is fixed using two ends after galvanized sheet or stainless steel plate bending in device outer framework (1)
Frame (1) is internally provided with the muffling unit (2) of genesis analysis, left and right two ends and the silencer outer framework of the muffling unit (2)
(1) self-locking rotating shaft (6) is provided between, and muffling unit (2) is rotated by self-locking rotating shaft (6) and silencer outer framework (1)
Connection, the silencer outer framework (1) is provided with rotating shaft control device (9), muffling unit with self-locking rotating shaft (6) correspondence position
(2) muffling unit skeleton (5), perforated plate (4), flat board (3) and absorbent treatment are included, muffling unit skeleton (5) section is V
Type, the both sides of muffling unit skeleton (5) inner surface are provided with perforated plate (4), and the both sides of outer surface, which are respectively arranged with, wears
Orifice plate (4) and flat board (3), outer surface side are provided with perforated plate (4), and opposite side is provided with flat board (3).
2. a kind of flow resistance adjustable type louvered ventilation silencer according to claim 1, it is characterised in that：The list of eliminating the noise
First (2) internal absorbent treatment is made up of alkali-free hydrophobic glass silk layer of cloth (8) internal package mineral wool layer (7), and the thickness of absorbent treatment
Spend for 80mm-120mm.
3. a kind of flow resistance adjustable type louvered ventilation silencer according to claim 1, it is characterised in that：The rotating shaft control
Device (9) processed is arranged on one end of muffling unit (2), and the other end of muffling unit (2) is provided with bearing, and bearing is arranged on and disappeared
In sound device outer framework (1).
4. a kind of flow resistance adjustable type louvered ventilation silencer according to claim 1, it is characterised in that：The perforated plate
And flat board (3) is respectively that one kind in galvanized sheet, stainless steel plate, aluminium alloy plate is bent into (4).
5. a kind of flow resistance adjustable type louvered ventilation silencer according to claim 1, it is characterised in that：The list of eliminating the noise
First skeleton (5) is that galvanized sheet or channel-section steel are bent into.
6. a kind of flow resistance adjustable type louvered ventilation silencer according to claim 1, it is characterised in that：The list of eliminating the noise
First (2) are equidistantly positioned, and the distance between two adjacent groups muffling unit (2) is 80mm-120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454349.3U CN206361905U (en) | 2016-12-28 | 2016-12-28 | A kind of flow resistance adjustable type louvered ventilation silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454349.3U CN206361905U (en) | 2016-12-28 | 2016-12-28 | A kind of flow resistance adjustable type louvered ventilation silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206361905U true CN206361905U (en) | 2017-07-28 |
Family
ID=59376327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621454349.3U Active CN206361905U (en) | 2016-12-28 | 2016-12-28 | A kind of flow resistance adjustable type louvered ventilation silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206361905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736253A (en) * | 2018-07-19 | 2020-01-31 | 秦皇岛欣蔚环保科技有限公司 | Sound-deadening box |
-
2016
- 2016-12-28 CN CN201621454349.3U patent/CN206361905U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736253A (en) * | 2018-07-19 | 2020-01-31 | 秦皇岛欣蔚环保科技有限公司 | Sound-deadening box |
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