CN212429342U - Circular silencer for fan - Google Patents
Circular silencer for fan Download PDFInfo
- Publication number
- CN212429342U CN212429342U CN202021239886.2U CN202021239886U CN212429342U CN 212429342 U CN212429342 U CN 212429342U CN 202021239886 U CN202021239886 U CN 202021239886U CN 212429342 U CN212429342 U CN 212429342U
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- China
- Prior art keywords
- fixing plate
- fixed plate
- fixedly connected
- mounting
- fan
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- 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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- 230000003584 silencer Effects 0.000 title claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 10
- 230000030279 gene silencing Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application discloses circular muffler is used to fan, including hollow circular casing, the casing is provided with air inlet end and air-out end, the equidistant fixedly connected with first mounting of air inlet end, the equidistant fixedly connected with second mounting of air-out end, the equidistant fixedly connected with acoustical panel of casing, the one end of acoustical panel with first mounting fixed connection, the other end of acoustical panel with second mounting fixed connection, first mounting includes first fixed plate and second fixed plate, first fixed plate is kept away from the one end of acoustical panel with the second fixed plate is kept away from the one end fixed connection of acoustical panel, first fixed plate with contained angle between the second fixed plate is 20~40 degrees. First mounting can reduce the resistance to the air current, reduces the influence to fan efficiency.
Description
Technical Field
The utility model relates to a fan field especially relates to a circular muffler is used to fan.
Background
At present, fans are generally applied in various industrial fields, but some fans have smaller flow, but generate larger noise and cannot meet the requirement of environmental protection, so that the problem needs to be solved. A muffler is a device that prevents sound from propagating and allows airflow to pass through normally.
The existing silencer has large resistance to airflow, and influences the efficiency of a fan.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a circular silencer for a fan that reduces resistance to airflow.
In a first aspect, the utility model discloses a circular muffler is used to fan, including hollow circular casing, the casing is provided with air inlet end and air-out end, the equidistant first mounting of fixedly connected with of air inlet end, the equidistant fixedly connected with second mounting of air-out end, the equidistant fixedly connected with acoustical panel of casing, the one end of acoustical panel with first mounting fixed connection, the other end of acoustical panel with second mounting fixed connection, first mounting includes first fixed plate and second fixed plate, first fixed plate is kept away from the one end of acoustical panel with the second fixed plate is kept away from the one end fixed connection of acoustical panel, first fixed plate with contained angle between the second fixed plate is 20~40 degrees.
According to the technical scheme that this application embodiment provided, fix the acoustical panel through first mounting and second mounting, wherein, first mounting includes first fixed plate and second fixed plate, the acoustical panel was kept away from to first fixed plate's one end and the one end fixed connection that the acoustical panel was kept away from to the second fixed plate, and the contained angle between first fixed plate and the second fixed plate is 20~40 degrees, the air current flows in from the air inlet end, flow out from the air-out end again, first mounting can reduce the resistance to the air current, reduce the influence to fan efficiency.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a circular silencer for a fan according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a circular silencer for a fan according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a circular silencer for a fan according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third fixing plate of the circular silencer for the fan according to the embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Please refer to fig. 1-4, the utility model discloses a circular muffler for fan, including hollow circular casing 10, casing 10 is provided with air inlet end 11 and air-out end 12, the first mounting 30 of equidistant fixedly connected with of air inlet end 11, the equidistant fixedly connected with second mounting 40 of air-out end 12, equidistant fixedly connected with acoustical panel 50 of casing 10, the one end and the first mounting 30 fixed connection of acoustical panel 50, the other end and the second mounting 40 fixed connection of acoustical panel 50, first mounting 30 includes first fixed plate 31 and second fixed plate 32, the one end that acoustical panel 50 was kept away from to first fixed plate 31 and the one end fixed connection that acoustical panel 50 was kept away from to second fixed plate 32, the contained angle between first fixed plate 31 and the second fixed plate 32 is 20~40 degrees.
The utility model discloses an in the embodiment, the casing is circular, and the circular muffler that uses for small-size fan usually can reduce the casing to the resistance of air current, reduces the influence to fan efficiency, reduces the noise that the air current produced. The casing is provided with air inlet end and air-out end, and the air current flows into the casing from the air inlet end, flows out the casing from the air-out end again, and equidistant a plurality of acoustical panels are fixed in the casing, and the air current flows through the clearance between the acoustical panel, and the acoustical panel absorbs the noise that the air current that flows through produced, has reduced the noise pollution that produces effectively in the fan working process, and the acoustical panel is parallel with the interior air current flow direction of casing, reduces the resistance of acoustical panel to the air current. The acoustical panel is through first mounting and second mounting and casing fixed connection, when the acoustical panel appears damaging and need the maintenance, is convenient for demolish and change the acoustical panel, has reduced maintenance and cost of maintenance. First mounting includes first fixed plate and second fixed plate, and the one end that the acoustical panel was kept away from to first fixed plate and the one end fixed connection that the acoustical panel was kept away from to the second fixed plate to contained angle between first fixed plate and the second fixed plate is 20~40 degrees, and first fixed plate and second fixed plate form an angle promptly, and the air current flows in from the air inlet end, flows from the air-out end again, and first mounting can reduce the resistance to the air current, reduces the influence to fan efficiency. The joint of the first fixing plate and the second fixing plate may be, but is not limited to, a rounded corner, so as to further reduce resistance to airflow.
Further, an included angle between the first fixing plate 31 and the sound-absorbing plate 50 is a first included angle, an included angle between the second fixing plate 32 and the sound-absorbing plate 50 is a second included angle, and the first included angle and the second included angle are equal. The air flow can be ensured to uniformly flow through the silencing plate, the overlarge air flow on one side of the silencing plate is avoided, and the silencing effect of the silencing plate is ensured.
Further, the included angle between the first fixing plate 31 and the second fixing plate 32 is 32 degrees. The air current flows in from the air inlet end, flows out from the air-out end again, and first mounting can reduce the resistance to the air current, reduces the influence to fan efficiency.
Further, the sound-absorbing panel 50 includes a third fixing plate 51, a sound-absorbing cotton 52 and a fourth fixing plate 53, the third fixing plate 51 is parallel to the fourth fixing plate 53, the sound-absorbing cotton 52 is located between the third fixing plate 51 and the fourth fixing plate 53, the third fixing plate 51 is fixedly connected to the first fixing plate 31, and the fourth fixing plate 53 is fixedly connected to the second fixing plate 32.
The embodiment of the utility model provides an in, the noise that the inside production of casing was flowed through to the air current is absorbed by the amortization cotton through third fixed plate and fourth fixed plate. The third fixed plate is parallel to the fourth fixed plate and parallel to the direction of the air flow in the shell, and the resistance of the third fixed plate and the fourth fixed plate to the air flow is reduced. The amortization cotton is located between third fixed plate and the fourth fixed plate, avoids the air current to strike the amortization cotton, and damage amortization cotton has guaranteed the noise cancelling effect. The third fixed plate is fixedly connected with the first fixed plate, and the fourth fixed plate is fixedly connected with the second fixed plate, so that the connection strength between the silencing plate and the first fixing piece is ensured, and the reliability of the silencer is improved.
Further, the third fixing plate 51 is arrayed with a plurality of first through holes 54.
The utility model discloses an in the embodiment, set up a plurality of first through-holes on the third fixed plate, the noise that the casing produced is flowed through to the air current of being convenient for passes through the third fixed plate, the cotton noise absorption of amortization of being convenient for.
Further, the fourth fixing plate 53 is arrayed with a plurality of second through holes.
The utility model discloses an in the embodiment, set up a plurality of second through-holes on the fourth fixed plate, the noise that the casing produced is flowed through to the air current of being convenient for passes through the fourth fixed plate, the cotton noise absorbing of amortization of being convenient for.
The air inlet end 11 is provided with a circular air inlet 13, the air inlet end 11 is fixedly connected with a circular ring-shaped fixing piece 20, the fixing piece 20 is fixedly connected with a blocking net 21, the blocking net 21 completely covers the air inlet 13, the blocking net 21 comprises a plurality of transverse lines 22 arranged at equal intervals and a plurality of longitudinal lines 23 arranged at equal intervals, and the transverse lines 22 and the longitudinal lines 23 are intersected to form a plurality of rhombic grids 24.
The utility model discloses an in the embodiment, the casing is hollow, and wind flows through from the inner chamber of casing, and the casing constitutes the runner, and wind flows into the casing from the air inlet end, flows out the casing from the air-out end again. The air inlet end is provided with a circular air inlet, so that the uniformity of air inlet can be ensured. Air inlet end fixedly connected with circle ring shape stationary blade, stationary blade fixedly connected with block, connect block and air inlet end through the stationary blade, improved the connection reliability, when the block appears damaging, when needing to be changed, with the block that damages separately with the stationary blade, again with good block with stationary blade fixed connection can, be convenient for maintain and process. The blocking net completely covers the air inlet, so that small animals are prevented from entering the fan from the air inlet. The block includes horizontal line and indulges the line, and the both ends of horizontal line respectively with stationary blade fixed connection, indulge the both ends of line respectively with stationary blade fixed connection, guaranteed the reliability of horizontal line and indulge the line, can but not be limited to horizontal line and indulge the line and be the copper wire, guaranteed the intensity of block. The horizontal lines and the vertical lines are intersected to form the rhombic grids, the rhombic grids have smaller diagonal length relative to the square grids, and animals with smaller volumes can be prevented from entering the rhombic grids.
Further, the transverse line 22 is fixedly connected with the longitudinal line 23 at the intersection.
The utility model discloses an in the embodiment, the horizontal line with indulge line at crossing fixed connection, can but not limited to horizontal line and indulge line welded fastening, further improve the joint strength of horizontal line and indulge line, guaranteed the bulk strength of block, avoid the animal when the collision block, destroy the block.
Further, a transverse line 22 is fixedly connected to one side of the fixing piece 20 facing the air outlet end 12.
The utility model discloses an in the embodiment, the stationary blade is towards one side fixedly connected with horizontal line of air-out end, can be but not limited to stationary blade and horizontal line welded fastening, also be exactly the leeward face fixedly connected with horizontal line of stationary blade, avoid wind direct impact horizontal line and the junction of stationary blade, guaranteed the reliability that horizontal line and stationary blade are connected.
Further, a longitudinal line 23 is fixedly connected to one side of the fixing piece 20 facing the air outlet end 12.
The utility model discloses an in the embodiment, the stationary blade is to one side fixedly connected with longitudinal line of air-out end, can be but not limited to the stationary blade with indulge line welded fastening, also be exactly the leeward side fixedly connected with longitudinal line of stationary blade, avoid wind direct impact to indulge the junction of line and stationary blade, guaranteed the reliability of indulging line and stationary blade and being connected.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. The utility model provides a circular muffler for fan, its characterized in that, includes hollow circular casing, the casing is provided with air inlet end and air-out end, the equidistant fixedly connected with first mounting of air inlet end, the equidistant fixedly connected with second mounting of air-out end, the equidistant fixedly connected with acoustical panel of casing, the one end of acoustical panel with first mounting fixed connection, the other end of acoustical panel with second mounting fixed connection, first mounting includes first fixed plate and second fixed plate, first fixed plate is kept away from the one end of acoustical panel with the second fixed plate is kept away from the one end fixed connection of acoustical panel, first fixed plate with contained angle between the second fixed plate is 20~40 degrees.
2. The circular silencer for the fan according to claim 1, wherein an included angle between the first fixing plate and the silencing plate is a first included angle, an included angle between the second fixing plate and the silencing plate is a second included angle, and the first included angle and the second included angle are equal.
3. The circular silencer for the fan of claim 1, wherein an included angle between the first fixing plate and the second fixing plate is 32 degrees.
4. The circular silencer for the fan as claimed in claim 1, wherein the silencing plate comprises a third fixing plate, silencing cotton and a fourth fixing plate, the third fixing plate is parallel to the fourth fixing plate, the silencing cotton is located between the third fixing plate and the fourth fixing plate, the third fixing plate is fixedly connected with the first fixing plate, and the fourth fixing plate is fixedly connected with the second fixing plate.
5. The circular silencer for the fan as claimed in claim 4, wherein the third fixing plate is arranged with a plurality of first through holes.
6. The circular silencer for the fan as claimed in claim 4, wherein the fourth fixing plate is arranged with a plurality of second through holes.
7. The circular silencer for the fan as claimed in claim 1, wherein the air inlet end is provided with a circular air inlet, the air inlet end is fixedly connected with a circular fixing plate, the fixing plate is fixedly connected with a blocking net, the blocking net completely covers the air inlet, the blocking net comprises a plurality of cross lines arranged at equal intervals and a plurality of longitudinal lines arranged at equal intervals, and the cross lines and the longitudinal lines are intersected to form a plurality of rhombic grids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239886.2U CN212429342U (en) | 2020-06-30 | 2020-06-30 | Circular silencer for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239886.2U CN212429342U (en) | 2020-06-30 | 2020-06-30 | Circular silencer for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212429342U true CN212429342U (en) | 2021-01-29 |
Family
ID=74278110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021239886.2U Expired - Fee Related CN212429342U (en) | 2020-06-30 | 2020-06-30 | Circular silencer for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212429342U (en) |
-
2020
- 2020-06-30 CN CN202021239886.2U patent/CN212429342U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |