CN209724809U - Muffler for fan - Google Patents
Muffler for fan Download PDFInfo
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- CN209724809U CN209724809U CN201920538977.7U CN201920538977U CN209724809U CN 209724809 U CN209724809 U CN 209724809U CN 201920538977 U CN201920538977 U CN 201920538977U CN 209724809 U CN209724809 U CN 209724809U
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- skeleton
- plate
- muffler
- punched
- frame structure
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Abstract
This application discloses a kind of muffler for fan, belong to blower field, for blower noise reduction, it includes skeleton, skeleton constitutes frame structure, it is provided with two sides air inlet protective net on two sides of the frame structure that skeleton is constituted, front side air inlet protective net is provided on front side of the frame structure that skeleton is constituted；The interior laminate layer of the skeleton is provided with acoustical panel, the acoustical panel includes silencing cotton, the upper and lower part of silencing cotton is covered with punched-plate, the end that punched-plate is located at airintake direction is provided with front flow guiding plate, the end that punched-plate is located on outgassing direction is provided with rear flow guiding head, and two sides of punched-plate are sealed by end socket.In view of above-mentioned technical proposal, this application provides it is a kind of it is compact-sized, production cost is low, the muffler of appearance looks elegant.
Description
Technical field
The application belongs to blower field, specifically, more particularly to a kind of muffler for fan.
Background technique
Blower, especially industrial big flow blower, generated noise is higher than 85 more in actual use
Decibel.In order to reduce noise pollution caused by blower, the prior art mostly uses the installation sound-deadening and noise-reducing equipment on blower to come in fact
Now to the control of noise.Above-mentioned sound-deadening and noise-reducing equipment realizes noise reduction effect dependent on the design of itself, that is to say, that itself
Manufacturing cost, the quality of noise-reducing design determine its control effect to noise.The blower noise reduction of existing commercial type is dropped
Equipment volume of making an uproar is more huge, and manufacturing cost is lower, and it is lower with blower rear aesthetics to be used in conjunction.
Summary of the invention
The application's is designed to provide a kind of muffler for fan, provide it is a kind of it is compact-sized, production cost is low, outer
See beautiful muffler.
In order to achieve the above objectives, the application is achieved through the following technical solutions:
Muffler for fan described herein, including skeleton, skeleton constitute frame structure, in the frame knot that skeleton is constituted
It is provided with two sides air inlet protective net on two sides of structure, it is anti-that front side air inlet is provided on front side of the frame structure that skeleton is constituted
Protective net；The interior laminate layer of the skeleton is provided with acoustical panel, and the acoustical panel includes silencing cotton, and the upper and lower part of silencing cotton is covered
It is stamped punched-plate, the end that punched-plate is located at airintake direction is provided with front flow guiding plate, and punched-plate is located at the end on outgassing direction
It is provided with rear flow guiding head, two sides of punched-plate are sealed by end socket.
Further speaking, the side that the frame structure that skeleton described herein is constituted is located at outgassing direction is provided with out
Gas interface, the angle between the central axis and horizontal plane of outlet interface are at least 20 °.
Further speaking, the frame structure that skeleton described herein is constituted is provided with lifting lug above, sets in lower section
It is equipped with supporting leg.
Further speaking, the side of acoustical panel described herein is fixed on the skeleton of corresponding position by thread tapping
On.
Further speaking, the outside of silencing cotton described herein is covered with glass fiber cloth, and the outside of glass fiber cloth is covered
It is stamped punched-plate.
Further speaking, front flow guiding plate described herein, rear flow guiding head are bent by plate body, bend rear plate body
Both ends constitute acute angle.
Further speaking, front flow guiding plate described herein, rear flow guiding head plate body both ends constitute 30 ° of angles.
Compared with prior art, the beneficial effect of the application is:
1, the air in the application passes through leading flank and two side common admissions and the air entered passes through acoustical panel
After enter in blower, the intake method of above-mentioned leading flank and two sides can be effectively reduced air-flow flow into blower speed,
Regeneration noise is reduced, resistance is reduced.
2, in the application blower generate noise be passed to by the gas outlet of silencer, at the gas outlet at angle setting
Acoustical panel intersection, is absorbed by the silencing cotton in acoustical panel to achieve the purpose that noise reduction.
3, the application is designed using assembled, and the link position of silencing cotton can be adjusted flexibly, improve the convenience of assembly
The flexibility of property and adjustment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the application.
Fig. 2 is the structural schematic diagram two of the application.
Fig. 3 is the structural schematic diagram one of acoustical panel in the application.
Fig. 4 is the structural schematic diagram two of acoustical panel in the application.
Fig. 5 is the structural schematic diagram two of the application.
In figure: 1, skeleton；2, acoustical panel；3, outlet interface；4, two sides air inlet protective net；5, front side air inlet protective net；6,
Thread tapping；7, supporting leg；8, front flow guiding plate；9, punched-plate；10, glass fiber cloth；11, silencing cotton；12, rear flow guiding head；13, end socket.
Specific embodiment
Technical solution described herein is described further with reference to the accompanying drawings and embodiments.It needs to illustrate
, in the term position that following paragraphs may relate to, including but do not limit " up, down, left, right, before and after " etc., institute's foundation
Orientation be the vision orientation shown in corresponding Figure of description, should not should not also be considered to be to the application protect
The restriction of range or technical solution, purpose only more fully understand technology described herein for convenience of those skilled in the art
Scheme.
A kind of embodiment 1: muffler for fan comprising constitute the skeleton 1 of rectangular frame structure, skeleton 1 by horizontal and
It is vertically arranged composition frame.Include four faces in the frame structure that skeleton 1 is constituted, is the front side where air intlet respectively, two
A side and air outlet slit corresponding with front side where air intlet, wherein being provided with front side air inlet protection at air intlet
Net 5 is provided with two sides air inlet protective net 4 fixed by connector or connection type therewith on the skeleton 1 of two sides.Described
Outlet interface 3 is provided at air outlet slit, outlet interface 3 is connect with fan assembly.It is set inside the frame structure that skeleton 1 is constituted
It is equipped with several layers acoustical panel 2 disposed in parallel.Angle between the central axis and horizontal plane of the outlet interface 3 is 20 °, from
And outlet interface 3 and acoustical panel 2 is made to constitute angle.
Embodiment 2: a kind of muffler for fan, wherein the acoustical panel 2 includes silencing cotton 11, the upper following table of silencing cotton 11
Face is covered with punched-plate 9, and there are glass fiber cloths 10 between punched-plate 9 and silencing cotton 11.The two sides of silencing cotton 11 be provided with
The end socket 13 that punched-plate 9 connects, end socket 13 are connect with the skeleton 1 of its position.It is located at air inlet end in silencing cotton 11
Before be provided with front flow guiding plate 8, the flow guiding head 12 after the place that silencing cotton 11 is located at air outlet slit end is provided with.Front flow guiding plate 8 is with after
Flow guiding head 12 is all made of plate body and bends, and constitutes angle between the plate body after bending, which is acute angle, and is typically chosen in
30 °, which can effectively avoid vortex from generating, to avoid the generation of secondary noise.The structure of rest part and connection are closed
It is identical as structure described in any previous embodiment and connection relationship.
On the basis of the above embodiments, the application continues to the technical characteristic being directed to and the technical characteristic at this
Function played in application, effect are described in detail, to help those skilled in the art to fully understand the application's
It technical solution and is reappeared.
Skeleton 1 described herein connects and composes hexahedral frame structure by head and the tail, which removes upper end
Face and lower end surface are connected with outside lifting lug and supporting leg 7, and remaining four faces include the front side air inlet protective net 5 of air approach axis,
Two sides air inlet protective net 4 positioned at 5 side of front side air inlet protective net, the outlet interface 3 opposite with front side air inlet protective net 5, out
Gas interface 3 is connect with blower frame.
The acoustical panel 2 of layering setting, acoustical panel are installed in the inside for the frame structure that skeleton 1 described herein is constituted
The intake flow direction of 2 air-flows is concordant, and acoustical panel 2 is mounted on skeleton 1.The acoustical panel 2 includes silencing cotton 11, noise reduction
It is covered with punched-plate 9 on the upper and lower end face of cotton 11, several through-holes is provided on punched-plate 9, which enables to silencing cotton 11
With the air flow contacts of flowing and realize absorption noise caused by it.
Two sides of the silencing cotton 11 are closed using end socket 13 in this application, and end socket 13 passes through thread tapping
6 realize the connection with skeleton 1.The front flow guiding plate 8 by bending plate body realization, rear flow guiding head are additionally provided on silencing cotton 11
12, as shown in Figure 3.That is, silencing cotton 11 is punched plate 9, end socket 13 and front flow guiding plate 8, rear flow guiding head 12 is constituted
Encapsulated by structures.Silencing cotton 11 is stratified and set in the rectangular frame structure of the composition of skeleton 1, as shown in Figure 1, the noise reduction of sealing setting
There are the gaps that gas supply stream passes through between cotton 11, and air-flow passes through the front side air inlet protective net on the rectangular frame that skeleton 1 is constituted
5, two sides air inlet protective net 4 constitutes the air inlet in three directions, so as to effectively reduce the air inlet amount on a direction, from
And air velocity is reduced in the case where total air inflow is constant, it reduces because of noise content caused by air velocity.
In the preceding paragraphs and attached structure shown in FIG. 1, the angle of the airintake direction in the application and outgassing direction is extremely
It is less 20 °, or the numerical value within the scope of the acute angles such as 30 °, 35 °, certain those skilled in the art can set according to demand
Different size of angle is counted, the numerical value of the angle is only that technical staff is helped to understand that the noise that export direction is passed to can be with this
Acoustical panel 2 at position contacts and realizes the resolution of noise.Angle is constituted between the outgassing direction and acoustical panel 2 of the position,
Noise can be absorbed after the acoustical panel 2 by the silencing cotton 11 inside acoustical panel 2, so that reduce that export direction is passed to makes an uproar
Sound.
Claims (7)
1. a kind of muffler for fan, including skeleton (1), skeleton (1) constitutes frame structure, it is characterised in that: constitutes in skeleton (1)
Frame structure two sides on be provided with two sides air inlet protective net (4), skeleton (1) constitute frame structure on front side of set
It is equipped with front side air inlet protective net (5)；The interior laminate layer of the skeleton (1) is provided with acoustical panel (2), and the acoustical panel (2) includes
Silencing cotton (11), the upper and lower part of silencing cotton (11) are covered with punched-plate (9), and punched-plate (9) is located at the end of airintake direction
It is provided with front flow guiding plate (8), the end that punched-plate (9) is located on outgassing direction is provided with rear flow guiding head (12), punched-plate (9)
Two sides are sealed by end socket (13).
2. muffler for fan according to claim 1, it is characterised in that: the frame structure that the skeleton (1) is constituted is located at
The side of outgassing direction is provided with outlet interface (3), and the angle between the central axis and horizontal plane of outlet interface (3) is at least
20°。
3. muffler for fan according to claim 1, it is characterised in that: the frame structure that the skeleton (1) is constituted is upper
Side is provided with lifting lug, and lower section is provided with supporting leg (7).
4. muffler for fan according to claim 1, it is characterised in that: the side of the acoustical panel (2) passes through thread tapping
(6) it is fixed on the skeleton (1) of corresponding position.
5. muffler for fan according to claim 1, it is characterised in that: the outside of the silencing cotton (11) is covered with glass
Wei Bu (10), the outside of glass fiber cloth (10) are covered with punched-plate (9).
6. according to claim 1 to muffler for fan described in any one of 5 claims, it is characterised in that: described leading
Flowing plate (8), rear flow guiding head (12) are bent by plate body, and the both ends for bending rear plate body constitute acute angle.
7. muffler for fan according to claim 6, it is characterised in that: the front flow guiding plate (8), rear flow guiding head (12)
Plate body both ends constitute 30 ° of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538977.7U CN209724809U (en) | 2019-04-19 | 2019-04-19 | Muffler for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538977.7U CN209724809U (en) | 2019-04-19 | 2019-04-19 | Muffler for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724809U true CN209724809U (en) | 2019-12-03 |
Family
ID=68673080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920538977.7U Active CN209724809U (en) | 2019-04-19 | 2019-04-19 | Muffler for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869354A (en) * | 2019-04-19 | 2019-06-11 | 临沂远通风机有限公司 | Muffler for fan |
| CN109869354B (en) * | 2019-04-19 | 2024-05-14 | 临沂远通风机有限公司 | Fan silencer |
-
2019
- 2019-04-19 CN CN201920538977.7U patent/CN209724809U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869354A (en) * | 2019-04-19 | 2019-06-11 | 临沂远通风机有限公司 | Muffler for fan |
| CN109869354B (en) * | 2019-04-19 | 2024-05-14 | 临沂远通风机有限公司 | Fan silencer |
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