CN209604328U - A kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft - Google Patents
A kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft Download PDFInfo
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- CN209604328U CN209604328U CN201920094834.1U CN201920094834U CN209604328U CN 209604328 U CN209604328 U CN 209604328U CN 201920094834 U CN201920094834 U CN 201920094834U CN 209604328 U CN209604328 U CN 209604328U
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- ventilation shaft
- spiral
- noise
- helical
- silencing apparatus
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Abstract
The utility model discloses a kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft, including ventilation shaft, sound attenuation assembly is equipped in the ventilation shaft, the sound attenuation assembly includes helical silencing piece, helically formula structure is fixed on the ventilation shaft to the helical silencing piece, is tightly connected between the edge of the helical silencing piece and the inner wall of the ventilation shaft by acoustical panel.Silencing apparatus described in the utility model is to utilize noise rectilinear propagation properties, it effectively prevented by helical silencing piece, eliminate straightline propagation of the noise by pipeline, it forms the mute space of anti-formula noise elimination with tube wall sound absorption facility using between anechoic sheet simultaneously and eliminates noise, reach good noise elimination noise reduction effect.Wind can be transmitted with spiral air supply mode by air piping by the helical duct between helical silencing piece simultaneously, effectively fallen below air supply duct by the resistance of silencer and drop effect, be ensure that the normal air-supply of air piping.
Description
Technical field
It a kind of configures the utility model relates to noise reduction technical field more particularly on strong noise equipment ventilation shaft
Spiral silencing apparatus.
Background technique
Present air piping silencer mainly using resistive silencer, anti-formula silencer and organizes anti-formula silencer, they
It is widely used in duct attenuation field of noise, plays good noise elimination noise reduction effect.But it is existing resistive silencer, anti-
Formula silencer and the anti-formula silencer of group have a very big problems and disadvantages to be exactly: aerodynamic losses and the pressure loss are big
The problem of, even and if by existing resistive silencer, anti-formula silencer and the anti-formula silencer of group by increasing silencer area
The air-supply that yet will affect air piping is unimpeded, at the same occur air piping air-supply it is unbalanced, easily generation reproducibility noise.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model, which provides, a kind of configures on strong noise equipment ventilation shaft
Spiral silencing apparatus is eliminated the noise even if solving existing resistive silencer, anti-formula silencer and the anti-formula silencer of group by increasing
The air-supply that device area yet will affect air piping is unimpeded, at the same occur air piping air-supply it is unbalanced, easily generation reproducibility noise
The problem of.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: one kind being used for strong noise equipment ventilation shaft
The spiral silencing apparatus of upper configuration, including ventilation shaft, the ventilation shaft is interior to be equipped with sound attenuation assembly, the sound attenuation assembly packet
Helical silencing piece is included, helically formula structure is fixed on the ventilation shaft, the side of the helical silencing piece to the helical silencing piece
It is tightly connected between edge and the inner wall of the ventilation shaft by acoustical panel.
Preferably, the helical silencing piece is made of spiral sound insulationg board and the surface of spiral sound insulationg board is equipped with acoustical cotton.
Preferably, it is described sound absorption cotton used in material be glass silk floss, rock wool, sponge, interior high temperature alumina silicate or other
One of deadener, material used in the spiral sound insulation sheet are steel, aluminium, glass reinforced plastic, concrete material, timber
One of.
Preferably, the sound attenuation assembly can using in the ventilation shaft of blower, air compressor machine, cooling tower and chimney.
(3) beneficial effect
The utility model provides a kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft, has
It is following the utility model has the advantages that silencing apparatus described in the utility model is to pass through helical silencing piece using noise rectilinear propagation properties
It effectively prevents, eliminate straightline propagation of the noise by pipeline, while is anti-using being formed between anechoic sheet with tube wall sound absorption facility
Noise is eliminated in the mute space of formula noise elimination, reaches good noise elimination noise reduction effect.Wind can be by between helical silencing piece simultaneously
Helical duct is transmitted with spiral air supply mode by air piping, and resistance of the air supply duct by silencer is effectively fallen below
It is imitated with drop, ensure that the normal air-supply of air piping.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the spiral silencing apparatus described in the utility model for configuring on strong noise equipment ventilation shaft in axis
Configuration schematic diagram on flow fan ventilation shaft；
Fig. 3 is the spiral silencing apparatus described in the utility model for configuring on strong noise equipment ventilation shaft in cigarette
Configuration schematic diagram on chimney；
Fig. 4 is the spiral silencing apparatus described in the utility model for configuring on strong noise equipment ventilation shaft cold
But the configuration schematic diagram on tower ventilation shaft.
In figure: 1, ventilation shaft；2, helical silencing piece；3, acoustical panel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1,2,3, 4, it is proposed that following embodiments: a kind of spiral shell configured on strong noise equipment ventilation shaft
Rotating silencing apparatus, including ventilation shaft 1, the ventilation shaft 1 is interior to be equipped with sound attenuation assembly, and the sound attenuation assembly includes that spiral disappears
Tablet 2, helically formula structure is fixed on the ventilation shaft, the edge of the helical silencing piece 2 and institute to the helical silencing piece 2
It states and is tightly connected between the inner wall of ventilation shaft 1 by acoustical panel 3.
In the present embodiment, the helical silencing piece 2 is made of spiral sound insulationg board and the surface of spiral sound insulationg board is equipped with
Acoustical cotton.
In the present embodiment, material used in the sound absorption cotton is the alumina silicate of glass silk floss, rock wool, sponge, interior high temperature
One of, material used in the spiral sound insulation sheet is steel, aluminium, glass reinforced plastic, concrete material, one in timber
Kind.
In the present embodiment, the sound attenuation assembly can be using the ventilation shaft with blower, air compressor machine, cooling tower and chimney
It is interior
In Fig. 1,2,3,4, silencing apparatus described in the utility model is to pass through spiral using noise rectilinear propagation properties
Bloop 2 effectively prevents, eliminates straightline propagation of the noise by pipeline, while utilizing the facility that absorbs sound between anechoic sheet with tube wall
It forms the mute space of anti-formula noise elimination and eliminates noise, reach good noise elimination noise reduction effect.Wind can pass through helical silencing piece 2 simultaneously
Between helical duct transmitted with spiral air supply mode by air piping, effectively fall below air supply duct and pass through silencer
Resistance and drop effect, ensure that the normal air-supply of air piping.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft, it is characterised in that: including ventilation duct
Road, the ventilation shaft is interior to be equipped with sound attenuation assembly, and the sound attenuation assembly includes helical silencing piece, and the helical silencing piece is helically
Formula structure is fixed on the ventilation shaft, passes through noise reduction between the edge of the helical silencing piece and the inner wall of the ventilation shaft
Plate is tightly connected.
2. a kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft according to claim 1,
Be characterized in that: the helical silencing piece is made of spiral sound insulationg board and the surface of spiral sound insulationg board is equipped with acoustical cotton.
3. a kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft according to claim 2,
Be characterized in that: material used in the noise elimination cotton be one of glass silk floss, rock wool, sponge, the alumina silicate of interior high temperature, it is described
Material used in spiral sound insulation sheet is one of steel, aluminium, glass reinforced plastic, concrete material, timber.
4. a kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft according to claim 1,
Be characterized in that: the sound attenuation assembly can using in the ventilation shaft of blower, air compressor machine, cooling tower and chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094834.1U CN209604328U (en) | 2019-01-21 | 2019-01-21 | A kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094834.1U CN209604328U (en) | 2019-01-21 | 2019-01-21 | A kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604328U true CN209604328U (en) | 2019-11-08 |
Family
ID=68401289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920094834.1U Active CN209604328U (en) | 2019-01-21 | 2019-01-21 | A kind of spiral silencing apparatus configured on strong noise equipment ventilation shaft |
Country Status (1)
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| CN (1) | CN209604328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357126A (en) * | 2020-03-06 | 2021-09-07 | 上海即汉装备有限公司 | Air compressor machine with noise elimination and noise reduction functions |
| WO2022100587A1 (en) * | 2020-11-13 | 2022-05-19 | 广东美的白色家电技术创新中心有限公司 | Noise reduction element, noise reduction assembly and range hood |
-
2019
- 2019-01-21 CN CN201920094834.1U patent/CN209604328U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357126A (en) * | 2020-03-06 | 2021-09-07 | 上海即汉装备有限公司 | Air compressor machine with noise elimination and noise reduction functions |
| WO2022100587A1 (en) * | 2020-11-13 | 2022-05-19 | 广东美的白色家电技术创新中心有限公司 | Noise reduction element, noise reduction assembly and range hood |
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