CN211737589U - Noise reduction type fan box - Google Patents
Noise reduction type fan box Download PDFInfo
- Publication number
- CN211737589U CN211737589U CN202020115837.1U CN202020115837U CN211737589U CN 211737589 U CN211737589 U CN 211737589U CN 202020115837 U CN202020115837 U CN 202020115837U CN 211737589 U CN211737589 U CN 211737589U
- Authority
- CN
- China
- Prior art keywords
- silencing pipe
- pipe
- fan
- noise
- muffler
- 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 4
- 239000003292 glue Substances 0.000 claims abstract description 4
- 230000030279 gene silencing Effects 0.000 claims description 58
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 22
- 230000003584 silencer Effects 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 11
- 239000006096 absorbing agent Substances 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 1
- 230000008030 elimination Effects 0.000 description 12
- 238000003379 elimination reaction Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a noise reduction type fan case, including fan casing and base, fan casing outer wall connection has the puigging, the material of puigging is soundproof cotton, and the puigging passes through glue and is connected with the fan casing, both ends are provided with air outlet and air intake respectively around the muffler, and the muffler inner wall is provided with a plurality of baffles, insert on the baffle and be equipped with first muffler pipe, third muffler pipe, fourth muffler pipe and second muffler pipe, and the one end of first muffler pipe and second muffler pipe is connected with the air outlet, the mesh has all been seted up to the outer wall of first muffler pipe, third muffler pipe, fourth muffler pipe and second muffler pipe, and third muffler pipe and fourth muffler pipe one side are connected with the air intake to the air intake is connected with the fan casing. This type of making an uproar fan box falls sets up the muffler through air outlet department on the fan casing to fall the noise at the in-process of airing exhaust and make an uproar, reduce the injury of noise to people's health.
Description
Technical Field
The utility model relates to a fan box equipment technical field specifically is a type of making an uproar fan box falls.
Background
The fan box is divided into two types, namely a smoke-proof type and a ventilation type, and comprises a centrifugal type and an axial flow type; 1. the fan box selects control parameters such as air volume, full pressure, efficiency, noise, motor power and the like; there are centrifugal and axial flow; 2. the ventilator is provided with the fan box, so that noise can be eliminated; 3. when the type of the ventilator is selected, the air leakage loss and the calculation error of a pipeline system and the negative deviation of the actual air quantity and the actual air pressure of the ventilator are considered, and generally, the safety factor that the air quantity is 1.05-1.1 and the air pressure is 1.10-1.15 is adopted. But also not too large, so as to prevent the ventilator from operating in a low-efficiency area for a long time; 4. note the matching relationship of the grid resistance characteristics to the ventilator characteristics.
Thus great noise can be produced because of the blade rotates to the current fan case operation in-process can produce the vortex to bring harm to people's health.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a type of making an uproar fan case falls to solve the great problem of fan case during operation noise that proposes among the above-mentioned background art.
For realizing above-mentioned purpose, the utility model provides a following technical scheme, a type of making an uproar fan box falls, including fan casing and base, fan casing outer wall is connected with the puigging, and the puigging rear end is provided with the muffler, both ends are provided with air outlet and air intake respectively around the muffler, and the muffler inner wall is provided with a plurality of baffles, insert on the baffle and be equipped with first noise elimination pipe, third noise elimination pipe, fourth noise elimination pipe and second noise elimination pipe, and the one end of first noise elimination pipe and second noise elimination pipe is connected with the air outlet, the mesh has all been seted up to the outer wall of first noise elimination pipe, third noise elimination pipe, fourth noise elimination pipe and second noise elimination pipe, and third noise elimination pipe and fourth noise elimination pipe one side are connected with the air intake to the air intake is connected with the fan casing.
Preferably, the sound insulation layer is made of sound insulation cotton and is connected with the fan shell through glue.
Preferably, the bottom of the first muffling pipe is provided with a third muffling pipe, the bottom of the third muffling pipe is provided with a fourth muffling pipe, and the bottom of the fourth muffling pipe is provided with a second muffling pipe.
Preferably, the base is provided with a support, the top of the support is provided with a top plate, the top plate and the inner wall of the base are both provided with damping shock absorbers, and the inner wall of each damping shock absorber is provided with a fan shell.
Preferably, a rotating shaft is arranged inside the fan shell, and blades are connected to the rotating shaft.
Preferably, the fan shell is provided with an air outlet, and the rear end of the air outlet is connected with an air inlet.
Compared with the prior art, the beneficial effects of the utility model are that: this type of making an uproar fan box falls sets up the muffler through air outlet department on the fan casing to fall the noise at the in-process of airing exhaust and make an uproar, reduce the injury of noise to people's health.
Drawings
Fig. 1 is a schematic structural view of a noise reduction type fan box of the present invention;
fig. 2 is a schematic view of the internal structure of the fan case of the noise reduction type fan case of the present invention;
fig. 3 is the utility model relates to a type of making an uproar fan box fan casing elevation of falling.
In the figure: 1. the sound-proof layer, 2, first muffler pipe, 3, support, 4, roof, 5, damping bumper shock absorber, 6, air outlet, 7, second muffler pipe, 8, pivot, 9, base, 10, baffle, 11, third muffler pipe, 12, air intake, 13, fourth muffler pipe, 14, fan casing, 15, blade, 16, air exit, 17, muffler.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a noise reduction type fan box comprises a fan shell 14 and a base 9, wherein a support 3 is arranged on the base 9, the support 3 is welded on the top of the base 9, a top plate 4 is arranged on the top of the support 3, a top plate 4 is welded on the top of the support 3, damping shock absorbers 5 are arranged on the inner walls of the top plate 4 and the base 9, the top plate 4 and the base 9 are fixed with the damping shock absorbers 5 through bolts, and the shock generated during the operation of the device can be reduced through the damping shock absorbers 5, so that the noise is reduced, the fan shell 14 is arranged on the inner wall of the damping shock absorbers 5, and the damping shock absorbers 5 and the fan shell 14 are fixed through bolts; the outer wall of the fan shell 14 is connected with a sound insulation layer 1 for isolating noise generated in the fan shell 14, the rear end of the sound insulation layer 1 is provided with a silencer 17, the sound insulation layer 1 is made of sound insulation cotton, and the sound insulation layer 1 is connected with the fan shell 14 through glue; the front end and the rear end of the silencer 17 are respectively provided with an air outlet 6 and an air inlet 12, the front end of the silencer 17 is provided with the air inlet 12, the rear end is provided with the air outlet 6, and the inner wall of the silencer 17 is provided with a plurality of baffle plates 10, 4 baffle plates 10 are arranged, a first silencing pipe 2, a third silencing pipe 11, a fourth silencing pipe 13 and a second silencing pipe 7 are inserted on the baffle plates 10, one ends of the first silencing pipe 2 and the second silencing pipe 7 are connected with the air outlet 6, the left ends of the first silencing pipe 2 and the second silencing pipe 7 are inserted in the air outlet 6, the bottom of the first silencing pipe 2 is provided with a third silencing pipe 11, the first silencing pipe 2 is not contacted with the third silencing pipe 11, and the bottom of the third silencing tube 11 is provided with a fourth silencing tube 13, the third silencing tube 11 is not contacted with the fourth silencing tube 13, the bottom of the fourth silencing pipe 13 is provided with the second silencing pipe 7, and the fourth silencing pipe 13 is not in contact with the second silencing pipe 7; the outer walls of the first silencing pipe 2, the third silencing pipe 11, the fourth silencing pipe 13 and the second silencing pipe 7 are all provided with meshes for air flow to pass through, one sides of the third silencing pipe 11 and the fourth silencing pipe 13 are connected with an air inlet 12, the right sides of the third silencing pipe 11 and the fourth silencing pipe 13 are inserted into the air inlet 12, and the air inlet 12 is connected with a fan shell 14; a rotating shaft 8 is arranged in the fan shell 14, the rotating shaft 8 is driven by a motor, the rotating shaft 8 is connected with a blade 15, and the rotating shaft 8 and the blade 15 are welded and fixed; an air outlet 16 is arranged on the fan shell 14, the rear end of the fan shell 14 is provided with the air outlet 16, and the rear end of the air outlet 16 is connected with an air inlet 12; this type of making an uproar fan box falls sets up muffler 17 through air exit 16 department on fan casing 14 to fall the noise at the in-process of airing exhaust and make an uproar, reduce the injury of noise to people's health.
The working principle is as follows: when the noise reduction type fan box is used, firstly, the device is simply known, after the device is known, important parts of the device are checked, the device is put into use formally after no problem is detected, when the noise reduction type fan box is used, the silencer 17 is arranged on the fan shell 14, an air inlet 12 on the silencer 17 is connected with an air outlet 16 on the fan shell 14 when the noise reduction type fan box is installed, the silencer 17 can be put into use after the silencer 17 is installed, when the noise reduction type fan box is used, a motor drives a rotating shaft 8 to rotate to drive a moving blade 15 to rotate, so that air flow is generated in the rotating process of the blade 15, the air flow enters the air inlet 12 through the air outlet 16 and enters the silencer 17 through the air inlet 12, after entering the silencer 17, the air flow enters the third silencing pipe 11 and the fourth silencing pipe 13, and after entering the third silencing pipe 11 and the fourth silencing pipe 13, the air flow passes through circular holes on the third silencing pipe 11 and the fourth silencing pipe 13, then enters the first silencing pipe 2 and the second silencing pipe 7, then exits through the round holes on the first silencing pipe 2 and the second silencing pipe 7, then enters the air outlet 6 from the left side of the first silencing pipe 2 and the second silencing pipe 7, and finally exits from the air outlet 6, and in the process, the noise entering the silencer 17 is consumed, so that the noise is reduced, and the working principle of the noise reduction type fan box is realized.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a type of making an uproar fan box falls, includes fan casing (14) and base (9), its characterized in that: the outer wall of the fan shell (14) is connected with a sound insulation layer (1), the rear end of the sound insulation layer (1) is provided with a silencer (17), the front end and the rear end of the silencer (17) are respectively provided with an air outlet (6) and an air inlet (12), and the inner wall of the silencer (17) is provided with a plurality of partition plates (10), a first silencing pipe (2), a third silencing pipe (11), a fourth silencing pipe (13) and a second silencing pipe (7) are inserted on the partition plates (10), one end of the first silencing pipe (2) and one end of the second silencing pipe (7) are connected with the air outlet (6), the outer walls of the first silencing pipe (2), the third silencing pipe (11), the fourth silencing pipe (13) and the second silencing pipe (7) are all provided with meshes, and one sides of the third silencing pipe (11) and the fourth silencing pipe (13) are connected with an air inlet (12), and the air inlet (12) is connected with a fan shell (14).
2. The noise-reducing fan box of claim 1, wherein: the sound insulation layer (1) is made of sound insulation cotton, and the sound insulation layer (1) is connected with the fan shell (14) through glue.
3. The noise-reducing fan box of claim 1, wherein: the bottom of the first silencing pipe (2) is provided with a third silencing pipe (11), the bottom of the third silencing pipe (11) is provided with a fourth silencing pipe (13), and the bottom of the fourth silencing pipe (13) is provided with a second silencing pipe (7).
4. The noise-reducing fan box of claim 1, wherein: the fan is characterized in that a support (3) is arranged on the base (9), a top plate (4) is arranged at the top of the support (3), damping shock absorbers (5) are arranged on the inner walls of the top plate (4) and the base (9), and a fan shell (14) is arranged on the inner wall of each damping shock absorber (5).
5. The noise-reducing fan box of claim 1, wherein: a rotating shaft (8) is arranged inside the fan shell (14), and blades (15) are connected to the rotating shaft (8).
6. The noise-reducing fan box of claim 1, wherein: an air outlet (16) is formed in the fan shell (14), and an air inlet (12) is connected to the rear end of the air outlet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115837.1U CN211737589U (en) | 2020-01-16 | 2020-01-16 | Noise reduction type fan box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115837.1U CN211737589U (en) | 2020-01-16 | 2020-01-16 | Noise reduction type fan box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211737589U true CN211737589U (en) | 2020-10-23 |
Family
ID=72879825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020115837.1U Expired - Fee Related CN211737589U (en) | 2020-01-16 | 2020-01-16 | Noise reduction type fan box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211737589U (en) |
-
2020
- 2020-01-16 CN CN202020115837.1U patent/CN211737589U/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: 20201023 |