CN210565370U - Fan sound-proof housing - Google Patents
Fan sound-proof housing Download PDFInfo
- Publication number
- CN210565370U CN210565370U CN201920983258.6U CN201920983258U CN210565370U CN 210565370 U CN210565370 U CN 210565370U CN 201920983258 U CN201920983258 U CN 201920983258U CN 210565370 U CN210565370 U CN 210565370U
- Authority
- CN
- China
- Prior art keywords
- cover body
- cover
- side wall
- sound
- 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
Links
- 229920000742 Cotton Polymers 0.000 claims abstract description 14
- 239000004743 Polypropylene Substances 0.000 claims abstract description 13
- -1 polypropylene Polymers 0.000 claims abstract description 13
- 229920001155 polypropylene Polymers 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims abstract 3
- 230000030279 gene silencing Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan sound-proof housing, the rain cover comprises a cover body, the cover body is the open hollow structure of lower extreme, is provided with the air intake on the right side wall of the cover body, is provided with the air outlet on the last lateral wall of the cover body, it inhales the sound cotton to be provided with the wave on the internal surface of the cover body, all be provided with on preceding, back lateral wall and the left side wall of the cover body and be used for ventilation cooling's heat dissipation window, at the internal amortization pipe that is provided with of cover, the amortization pipe is the open hollow structure in both ends, it inhales the sound cotton to be provided with on the inside wall of amortization. On the one hand, the sound absorption cotton is arranged in the cover body, so that noise can be effectively reduced, and the cover body made of polypropylene has certain deformation performance and can also produce partial sound insulation effect, so that noise can be absorbed in a multi-level manner.
Description
Technical Field
The utility model belongs to the technical field of the noise in the environmental protection equipment is administered, especially, relate to a fan sound-proof housing.
Background
The fan is the main equipment of ventilation in various places, can produce great noise in its working process, and fan noise mainly comprises aerodynamic noise, mechanical noise, motor noise, vibration low frequency noise, wherein gives first place to aerodynamic noise. The aerodynamic noise has the characteristics of high intensity, wide frequency band, medium and high frequency, slow attenuation, long propagation distance and wide influence range, and is the key point of fan noise control. The prior art lacks a device or equipment that is convenient for realize and effective reduction fan noise.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the fan noise is big among the prior art, be difficult to administer, the utility model aims at providing a fan sound-proof housing.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a fan sound-proof housing, the rain-proof housing comprises a housing body, the cover body is the open hollow structure of lower extreme, be provided with the air intake on the right side wall of the cover body, be provided with the air outlet on the last lateral wall of the cover body, it inhales the sound cotton to be provided with the wave on the internal surface of the cover body, all be provided with the heat dissipation window that is used for ventilation cooling on the preceding, back lateral wall and the left side wall of the cover body, at the internal amortization pipe that is provided with of cover, the amortization pipe is the open hollow structure in both ends, it inhales the sound cotton to be provided with on.
Furthermore, one end of the silencing pipe is square box-shaped, and the other end of the silencing pipe is cylindrical.
Further, the silencing pipe is made of polypropylene.
Furthermore, the cover body is of a double-layer structure consisting of an inner cover and an outer cover, and the inner side surface of the outer cover is provided with the wavy sound-absorbing cotton.
Furthermore, a plurality of supporting sleeves are arranged between the inner cover and the outer cover, the supporting sleeves are of hollow structures with two open ends, two ends of each supporting sleeve are correspondingly connected to the outer cover and the inner cover respectively, and the inner cavity of the inner cover is communicated with the outside through the supporting sleeves.
Further, the support sleeve is polypropylene.
Furthermore, annular elastic sealing rings are arranged in the air inlet and the air outlet.
Furthermore, the cover body is made of polypropylene.
Due to the adoption of the technical scheme, the utility model discloses following superiority has:
1. when using, with the fan use the utility model provides a fan sound-proof housing covers, inhales the sound cotton through setting up at cover internal portion on the one hand, can effectively reduce the noise, and the cover body of polypropylene material has certain deformability and also produces partial syllable-dividing effect moreover to can absorb the noise at many levels.
2. The radiography that produces in the fan operation process also can make an uproar when passing the hush pipe.
3. Through setting up the cover body into bilayer structure, further noise reduction also can effectual elimination partly noise through the support sleeve moreover.
4. Through heat dissipation window and support sleeve, also can effectively improve the heat dissipation to the fan.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment;
FIG. 2 is a schematic structural view of a silencer duct;
FIG. 3 is a schematic structural diagram according to a second embodiment;
in the figure: 1. a cover body; 2. an air outlet; 3. an air inlet; 4. a sound-deadening tube; 5. a heat dissipation window; 6. a housing; 7. an inner cover; 8. supporting the sleeve.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Embodiment one, as shown in fig. 1, a fan sound-proof housing, cover body 1 including the polypropylene material, cover body 1 is the open hollow structure of lower extreme, is provided with air intake 3 on the right side wall of cover body 1, is provided with air outlet 2 on the last lateral wall of cover body 1, is provided with the wave on the internal surface of cover body 1 and inhales the sound cotton, all be provided with on the preceding, back lateral wall and the left side wall of cover body 1 and be used for ventilation cooling's heat dissipation window 5, be provided with hush pipe 4 in the cover body 1, hush pipe 4 is the open hollow structure in both ends, is provided with on hush pipe 4's the inside wall and inhales the sound cotton, a port of hush pipe 4 sets firmly in heat dissipation window 5 department.
In the utility model, as shown in fig. 2, one end of the silencing tube 4 is square box-shaped, and the other end is cylindrical; preferably, the material of the sound-deadening tube 4 is polypropylene, and the sound-deadening tube 4 and the cover body 1 are connected by welding.
In order to reduce the vibration and noise of the fan in the operation process, annular elastic sealing rings are arranged in the air inlet 3 and the air outlet 2, the sealing rings are preferably made of rubber, during installation, the air inlet and the air outlet of the fan are connected with pipelines, and the pipelines are sealed with the air inlet and the air outlet through the elastic sealing rings respectively.
When the concrete processing preparation, the cover body 1 is formed by welding four polypropylene plates, and the cover body 1 made of polypropylene has certain deformation performance and also produces partial sound insulation effect.
The second embodiment is different from the first embodiment in the following structure:
the cover body comprises inner cover 6 and dustcoat 7 bilayer structure, is provided with the wave on the medial surface of dustcoat 7 and inhales the sound cotton, is provided with a plurality of support sleeve 8 between inner cover 6 and the dustcoat 7, and support sleeve 8 is the open hollow structure in both ends, and support sleeve 8's both ends correspond respectively and connect on dustcoat 7 and inner cover 6, and support sleeve 8 and external intercommunication are passed through to the inner chamber of inner cover 6.
In this embodiment, the support sleeve 8 is polypropylene.
In the embodiment, the piece cover body is of a double-layer structure, so that on one hand, a layer of outer cover is added, and on the other hand, sound-absorbing cotton is arranged on the inner side surface of the outer cover, so that noise can be absorbed in multiple layers; on the other hand, the noise can be further reduced through the space between the inner cover and the outer cover and the supporting sleeve, and the supporting sleeve also plays a favorable role in heat dissipation.
It should be noted that two ports of the support sleeve are respectively arranged on the inner cover and the outer cover and used for communicating the inner cavity of the inner cover with the outside to improve heat dissipation.
In the first and second embodiments, the sound absorbing cotton is bonded to the cover body.
Claims (8)
1. The utility model provides a fan sound-proof housing, includes the cover body, the cover body is the open hollow structure of lower extreme, its characterized in that: the heat dissipation device comprises a cover body and is characterized in that an air inlet is formed in the right side wall of the cover body, an air outlet is formed in the upper side wall of the cover body, wave-shaped sound absorption cotton is arranged on the inner surface of the cover body, heat dissipation windows used for ventilation and heat dissipation are formed in the front side wall, the rear side wall and the left side wall of the cover body, a silencing pipe is arranged in the cover body and is of a hollow structure with two open ends, sound absorption cotton is arranged on the inner side wall of the silencing pipe, and a port of the silencing pipe is fixedly arranged at the.
2. The fan sound enclosure of claim 1, characterized in that: one end of the silencing pipe is square box-shaped, and the other end of the silencing pipe is cylindrical.
3. The fan acoustic enclosure of claim 2, characterized in that: the silencing pipe is made of polypropylene.
4. The fan sound enclosure of claim 1, characterized in that: the cover body is of a double-layer structure consisting of an inner cover and an outer cover.
5. The fan sound enclosure of claim 4, wherein: a plurality of supporting sleeves are arranged between the inner cover and the outer cover, the supporting sleeves are of hollow structures with two open ends, the two ends of each supporting sleeve are correspondingly connected to the outer cover and the inner cover respectively, and the inner cavity of the inner cover is communicated with the outside through the supporting sleeves.
6. The fan sound enclosure of claim 5, wherein: the support sleeve is polypropylene.
7. The fan sound enclosure of claim 1, characterized in that: and annular elastic sealing rings are arranged in the air inlet and the air outlet.
8. The fan sound enclosure of claim 1, characterized in that: the cover body is made of polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983258.6U CN210565370U (en) | 2019-06-27 | 2019-06-27 | Fan sound-proof housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983258.6U CN210565370U (en) | 2019-06-27 | 2019-06-27 | Fan sound-proof housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565370U true CN210565370U (en) | 2020-05-19 |
Family
ID=70633638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920983258.6U Expired - Fee Related CN210565370U (en) | 2019-06-27 | 2019-06-27 | Fan sound-proof housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565370U (en) |
-
2019
- 2019-06-27 CN CN201920983258.6U patent/CN210565370U/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: 20200519 |