CN207848046U - A kind of novel fan silencer - Google Patents
A kind of novel fan silencer Download PDFInfo
- Publication number
- CN207848046U CN207848046U CN201820067153.1U CN201820067153U CN207848046U CN 207848046 U CN207848046 U CN 207848046U CN 201820067153 U CN201820067153 U CN 201820067153U CN 207848046 U CN207848046 U CN 207848046U
- Authority
- CN
- China
- Prior art keywords
- shell
- connecting plate
- intake stack
- acoustic damping
- novel fan
- 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 - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is related to a kind of novel fan silencers, including shell, multiple connecting plates and multiple anechoic sheets, the connecting plate is distributed setting and is slidably matched in the shell, and with the inner wall of the shell up and down, and multiple anechoic sheets, which run through, to be fixed on the connecting plate；It is equipped with intake stack at the top of the shell, one end of the intake stack is stretched into the shell, and is fixedly connected with the connecting plate close to the cover top portion, and the intake stack runs through the connecting plate close to the cover top portion；The intake stack is slidably matched with the shell；It is fixed with acoustic damping mesh in the bottom of the shell；The anechoic sheet is arc-shaped.The utility model has the beneficial effects that：Structure setting advantages of simple improves the noise dampening efficiency of the utility model fans silencer, while can also reduce windage, avoids the generation of secondary noise by multilayer noise reduction.
Description
Technical field
The utility model is related to Fan Equipment technical field more particularly to a kind of novel fan silencers.
Background technology
Silencer is to allow air-flow to pass through, but can prevent or reduce a kind of device of sound transmission, is to eliminate air to move
The important measures of power noise.Silencer can stop the propagation of sound wave, and air-flow is allowed to pass through, and be the effective work for controlling noise
Tool.
Current existing fans silencer is that sound-absorbing material is arranged in cylindric shell mostly, simple in structure, construction
It is single, and have the following problems：1, sound-absorbing material is single, and majority can only absorb the sound wave of a certain specific frequency and wavelength, other
The effect of the absorption sound wave of frequency and wavelength is poor；2, for multiple-piece silencer, during noise elimination having air-flow passes through
Silencer and generate windage, and then generate secondary noise.
Utility model content
Technical problem to be solved in the utility model is deficiency regarding to the issue above, provides a kind of novel fan noise elimination
Device.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of novel fan silencer, including shell,
Multiple connecting plates and multiple anechoic sheets, the connecting plate up and down be distributed be arranged in the shell, and with the inner wall of the shell
It is slidably matched, multiple anechoic sheets, which run through, to be fixed on the connecting plate；It is equipped with intake stack, institute at the top of the shell
The one end for stating intake stack is stretched into the shell, and is fixedly connected with the connecting plate close to the cover top portion, and institute
State the connecting plate that intake stack runs through the close cover top portion；The intake stack is slidably matched with the shell；
The bottom of the shell is fixed with acoustic damping mesh；The anechoic sheet is arc-shaped.
The utility model has the beneficial effects that：Structure setting advantages of simple improves the utility model wind turbine by multilayer noise reduction
The noise dampening efficiency of silencer, while windage can also be reduced, avoid the generation of secondary noise；By the way that connecting plate and noise elimination is arranged
Piece, and anechoic sheet is arc-shaped, can effectively disperse wind and noise, and can reduce windage；In addition, intake stack is slided with shell
The inner wall of cooperation, connecting plate and shell is slidably matched, and can adjust the length of silencing channel in shell, and then it is special to adjust sound absorption
Property, enable the silencer to adapt to generate the noise elimination environment of different frequency noise since operating mode is different in engineering.
Based on the above technical solution, the utility model can also do following improvement.
Further：The acoustic damping mesh is V-shaped to be arranged in the bottom of the shell.
The advantageous effect of above-mentioned further scheme is：The V-type region that acoustic damping mesh surrounds can play the role of buffering noise.
Further：It is equipped with guide layer in the V-type region that the acoustic damping mesh surrounds, multiple disappear is equipped in the guide layer
Sound hole, the bloop runs through the guide layer, and is connected to the acoustic damping mesh.
The advantageous effect of above-mentioned further scheme is：By the way that multiple bloops are arranged, improve what wind stopped in guide layer
Time, and it is made to be discharged from different bloops, play the role of dispersion and weaken noise, while air-flow can also be reduced to noise reduction
The percussion of net.
Further：The acoustic damping mesh is made of blanket of glass wool.
The advantageous effect of above-mentioned further scheme is：Blanket of glass wool material is light and has good resilience, while having excellent
Different damping, sound absorption characteristics, especially centering low frequency and various vibrations noises all have good assimilation effect, advantageously reduce and make an uproar
Sound pollution.
Further：It is equipped with electric pushrod in the side of the intake stack, the push rod of the electric pushrod stretches into outside described
In shell, and it is fixedly connected with the connecting plate close to the cover top portion.
The advantageous effect of above-mentioned further scheme is：By the way that electric pushrod is arranged, it is conveniently pushed closer to the company of cover top portion
Fishplate bar.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
In attached drawing, the component names representated by each label are as follows：
1, electric pushrod, 2, shell, 21, intake stack, 3, connecting plate, 4, cooling water pipeline, 41, cooling water inlet, 42,
Cooling water outlet, 5, guide layer, 51, bloop, 6, acoustic damping mesh, 7, anechoic sheet.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of novel fan silencer comprising shell 2, multiple connecting plates 3 and multiple anechoic sheets 7, institute
It states the distribution setting of about 3 connecting plate to be slidably matched in the shell 2, and with the inner wall of the shell 2, multiple anechoic sheets
7 through being fixed on the connecting plate 3；It is equipped with intake stack 21, one end of the intake stack 21 at the top of the shell 2
It stretches into the shell 2, and is fixedly connected with the connecting plate 3 close to 2 top of the shell, and the intake stack 21 passes through
Wear the connecting plate 3 close to 2 top of the shell；The intake stack 21 is slidably matched with the shell 2；In the shell
2 bottom is fixed with acoustic damping mesh 6.
The connecting plate 3 is microperforated panel, and the thickness range of the microperforated panel is 0.1mm to 1mm, and punching rate is ranging from
1% to 5%, micropore size ranging from 0.5mm to 1mm, noise sound wave is when by microperforated panel soundabsorbing construction, by repeatedly
Vibration friction, makes acoustic energy be converted into thermal energy, to achieve the purpose that noise elimination.
The anechoic sheet 7 is arc-shaped, can effectively disperse wind and noise, and can reduce windage.
Quieter material, the quieter material are embedded in the shell 2, the intake stack 21 and the anechoic sheet 7
For silencing cotton.
It is crossings on different level that silencing cotton, which is between fiber and fiber, is intertwined mutually, shows many tiny gaps,
Firm, handy tasteless, waterproof, moisture-proof, permeability is good, easily processes, and according to different can need that variously-shaped use is made
Long lifespan has the effect of that the ability of good sound-absorbing reaches noise elimination, and it is outside from shell 2 and intake stack 21 to reduce noise
The case where propagation, further realizes the purpose of noise elimination.
The acoustic damping mesh 6 is V-shaped to be arranged in the bottom of the shell 2, and the V-type region that the acoustic damping mesh 6 surrounds can rise
To the effect of buffering noise.
It is equipped with guide layer 5 in the V-type region that the acoustic damping mesh 6 surrounds, multiple bloops are equipped in the guide layer 5
51, the bloop 51 runs through the guide layer 5, and is connected to the acoustic damping mesh 6.
Sound-absorbing porous material is equipped in the guide layer 5, the sound-absorbing porous material is melamine foamed plastic, melamine
Amine foam is made of three-dimensional netted open-celled structure, and percent opening is up to 99.9%, and sound wave can conveniently and effectively enter the depth of foam
Layer, is changed into the vibrations of grid and is consumed and absorbs, while can effectively eliminate back wave, in wider audio range
With superior sound absorbing performance, there is effect outstanding especially in the absorption of low frequency noise.
The bloop 51 is arc-shaped or linear type improves wind and stop in guide layer 5 by the way that multiple bloops 51 are arranged
The time stayed, and it is made to be discharged from different bloops 51, play the role of dispersion and weakens noise.
The acoustic damping mesh 6 is made of blanket of glass wool, and blanket of glass wool material is light and has good resilience, while having excellent
Damping, sound absorption characteristics, especially centering low frequency and various vibrations noises all have good assimilation effect, advantageously reduce noise
Pollution.
Light additionally, due to e-glass surface felt material, the setting of guide layer 5 and bloop 51 generates certain buffering to air-flow and makees
With reducing percussion of the air-flow to acoustic damping mesh 6, improve the service life of acoustic damping mesh 6.
It is equipped with electric pushrod 1 in the side of the intake stack 21, the push rod of the electric pushrod 1 stretches into the shell 2
It is interior, and be fixedly connected with the connecting plate 3 close to 2 top of the shell.
The novel fan silencer further includes heat sink, and the heat sink includes uniform winding in the shell 2
The cooling water pipeline 4 in outside is equipped with cooling water inlet 41, in the cooling water pipeline 4 in the bottom of the cooling water pipeline 4
Top is equipped with cooling water outlet 42；The cooling water inlet 41 and the cooling water outlet 42 are separately positioned on the shell 2
Both sides.
By the way that cooling water pipeline 4 is arranged, the heat that wind and noise generate when across shell 2 is absorbed, the energy of noise is reduced
Amount to play the role of assisting noise reduction, while can also protect silencer.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of novel fan silencer, it is characterised in that：Including shell (2), multiple connecting plates (3) and multiple anechoic sheets (7),
The connecting plate (3) is distributed setting in the shell (2) up and down, and is slidably matched with the inner wall of the shell (2), Duo Gesuo
Anechoic sheet (7) is stated through being fixed on the connecting plate (3)；It is equipped with intake stack (21) at the top of the shell (2), it is described
One end of intake stack (21) is stretched into the shell (2), and solid with the connecting plate (3) at the top of the shell (2)
Fixed connection, and the intake stack (21) runs through the connecting plate (3) at the top of the shell (2)；The intake stack
(21) it is slidably matched with the shell (2)；It is fixed with acoustic damping mesh (6) in the bottom of the shell (2)；The anechoic sheet (7)
It is arc-shaped.
2. a kind of novel fan silencer according to claim 1, it is characterised in that：The V-shaped setting of acoustic damping mesh (6) exists
The bottom of the shell (2).
3. a kind of novel fan silencer according to claim 2, it is characterised in that：In the V-type that the acoustic damping mesh (6) surrounds
It is equipped with guide layer (5) in region, multiple bloops (51) are equipped in the guide layer (5), the bloop (51) runs through institute
Guide layer (5) is stated, and is connected to the acoustic damping mesh (6).
4. a kind of novel fan silencer according to claim 3, it is characterised in that：The acoustic damping mesh (6) is by blanket of glass wool
It is made.
5. a kind of novel fan silencer according to claim 1, it is characterised in that：Side in the intake stack (21)
Equipped with electric pushrod (1), the push rod of the electric pushrod (1) stretches into the shell (2), and is pushed up with close to the shell (2)
The connecting plate (3) in portion is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067153.1U CN207848046U (en) | 2018-01-16 | 2018-01-16 | A kind of novel fan silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067153.1U CN207848046U (en) | 2018-01-16 | 2018-01-16 | A kind of novel fan silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848046U true CN207848046U (en) | 2018-09-11 |
Family
ID=63414792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820067153.1U Expired - Fee Related CN207848046U (en) | 2018-01-16 | 2018-01-16 | A kind of novel fan silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848046U (en) |
-
2018
- 2018-01-16 CN CN201820067153.1U patent/CN207848046U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20200116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |