CN209959509U - Box-type noise elimination fan - Google Patents
Box-type noise elimination fan Download PDFInfo
- Publication number
- CN209959509U CN209959509U CN201920451955.7U CN201920451955U CN209959509U CN 209959509 U CN209959509 U CN 209959509U CN 201920451955 U CN201920451955 U CN 201920451955U CN 209959509 U CN209959509 U CN 209959509U
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- Prior art keywords
- fan
- box
- fixed mounting
- phase motor
- case
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- 230000008030 elimination Effects 0.000 title claims abstract description 12
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 12
- 241000883990 Flabellum Species 0.000 claims abstract description 8
- 239000011358 absorbing material Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 3
- 239000012814 acoustic material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a ventilation equipment technical field just discloses a box noise elimination fan, the on-line screen storage device comprises a base, the upper portion fixed mounting of base has whole quick-witted case, the right side fixed mounting of whole machine case has the motor fixing base, the upper end fixed mounting of motor fixing base has single phase motor, single phase motor's output shaft runs through the flabellum of the whole quick-witted incasement portion of lateral wall fixedly connected with of whole machine case, the left side of flabellum is equipped with flow channel. This box noise elimination fan is provided with overall structure's box through the outside at the fan spiral case, and this kind of overall structure's box can play and carry out isolated effect with the noise that the fan produced, and another function that sets up this kind of overall structure's box in addition just can effectively prevent the effect of dust fall, wraps up the fan is whole, can avoid the dust to fall the important position of fan, long-time piling up can influence the energy consumption of motor to influence the life of fan.
Description
Technical Field
The utility model relates to a ventilation equipment technical field specifically is a box-type noise elimination fan.
Background
The fan is a driven fluid machine which increases the gas pressure and discharges gas by means of the input mechanical energy, is a short form of Chinese habit for gas compression and gas conveying machinery, and generally comprises a ventilator, a blower and a wind driven generator, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and induced air of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.
The existing fan can generate great noise in the working process, the noise is divided into two parts of mechanical noise and wind noise generated by airflow flowing, but the existing fan equipment cannot well control the two noises, so that the fan can always generate great noise during working, and great influence is generated on the working environment of workers.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a box noise elimination fan possesses the isolated noise of box, sound absorbing material noise absorption, the advantage of more return circuits high efficiency noise absorption, has solved traditional fan and has produced very big noise at the in-process of work to the problem of producing very big influence to operating personnel's work.
The utility model provides a following technical scheme: the utility model provides a box-type noise elimination fan, includes the base, the upper portion fixed mounting of base has whole quick-witted case, the right side fixed mounting of whole machine case has the motor fixing base, the upper end fixed mounting of motor fixing base has single phase motor, single phase motor's output shaft runs through the whole quick-witted incasement portion's of lateral wall fixedly connected with flabellum of whole machine case, the left side of flabellum is equipped with flow channel, flow channel's the fixed wall that adsorbs of left side fixedly connected with, the left side of fixed wall that adsorbs is equipped with adsorbs the chamber, the inside fixed mounting who adsorbs the chamber has sound absorbing material, the left side that adsorbs the chamber is equipped with the air intake, the outside fixed mounting that the air intake left side is located the base.
Preferably, the diameter of the left side of the flow channel is larger than the diameter of the right side, and the right side of the flow channel extends into the interior of the fan blade.
Preferably, the sound-absorbing material is fixedly connected with the box body on the front surface and the back surface of the integral case, and the same gaps are arranged above and below the sound-absorbing material.
Preferably, a part of the left side of the single-phase motor is arranged inside the integral chassis, and the other part of the single-phase motor is arranged outside the right side of the integral chassis.
Preferably, the single-phase motor is electrically connected with a power supply through a power line.
Preferably, the whole of the whole case is fixed by screws.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this box noise elimination fan is provided with overall structure's box through the outside at the fan spiral case, and this kind of overall structure's box can play and carry out isolated effect with the noise that the fan produced, and another function that sets up this kind of overall structure's box in addition just can effectively prevent the effect of dust fall, wraps up the fan is whole, can avoid the dust to fall the important position of fan, long-time piling up can influence the energy consumption of motor to influence the life of fan.
2. The box-type noise elimination fan is provided with a large amount of sound absorption materials, the materials are provided with a plurality of pores, and noise can be absorbed by the pores in the transmission process, so that the noise can be effectively controlled, and the energy of the noise can be converted into heat to be dissipated.
3. The box-type noise elimination fan is additionally provided with the loops of the inlet and the outlet of the fan, so that wind noise conducted from the inlet and the outlet of the fan can be absorbed and consumed in a longer loop (the loop is also of a porous sound absorption structure).
Drawings
FIG. 1 is a sectional view of the present invention;
FIG. 2 is a side sectional view of the structure of the present invention;
fig. 3 is a schematic top view of the structure of the present invention.
In the figure: 1. a base; 2. an integral chassis; 3. a motor fixing seat; 4. a single-phase motor; 5. a fan blade; 6. A flow channel; 7. an adsorption chamber; 8. a sound absorbing material; 9. an air inlet; 10. filtering with a screen; 11. an air outlet; 12. and fixing the adsorption wall.
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, a box-type noise elimination fan comprises a base 1, an integral case 2 is fixedly installed on the upper portion of the base 1, the whole of the integral case 2 is fixed by screws, each surface of the integral case 2 is fixed by screws, so that the integral case 2 is firmer, the integral case 2 is not damaged or corroded during transportation and long-term use, because the fan has a wider use field, and the tightly-packaged structure can achieve a good waterproof effect, so that the fan has a longer service life, a motor fixing seat 3 is fixedly installed on the right side of the integral case 2, a single-phase motor 4 is fixedly installed at the upper end of the motor fixing seat 3, the single-phase motor 4 is electrically connected with a power supply through a power line, and the connection between the single-phase motor 4 and the power supply can ensure that the single-phase motor 4 can obtain continuous power supply, one part of the left side of the single-phase motor 4 is arranged in the integral case 2, the other part of the single-phase motor 4 is arranged outside the right side of the integral case 2, one part of the single-phase motor 4 is arranged in the integral case 2 to wrap important parts of the single-phase motor 4 in the integral case 2, and the dust falling prevention function can be realized, so that the service life of the important parts of the single-phase motor 4 is ensured, the other part of the single-phase motor 4 is arranged outside the integral case 2 to effectively dissipate heat, so that the working environment of the single-phase motor 4 is cooler, the working durability of the single-phase motor 4 is ensured, the output shaft of the single-phase motor 4 penetrates through the side wall of the integral case 2 and is fixedly connected with fan blades 5 in the integral case 2, a flow channel 6 is arranged on the left side of the fan blades 5, and the diameter of the, the right side of the flow channel 6 extends into the fan blade 5, the flow of air can be accelerated through the diameter difference of the flow channel 6, so that the air enters more efficiently, the ventilation efficiency of a use place is improved, the environmental quality of the use place is improved, the acting force of the fan blade 5 on the air can be more obvious by extending into the fan blade 5, so that the working efficiency of the fan blade 5 is improved, the left side of the flow channel 6 is fixedly connected with a fixed adsorption wall 12, the left side of the fixed adsorption wall 12 is provided with an adsorption cavity 7, the inside of the adsorption cavity 7 is fixedly provided with a sound-absorbing material 8, the sound-absorbing material 8 is fixedly connected with the front side and the back side of the integral case 2, the upper part and the lower part of the sound-absorbing material 8 are provided with the same gap, and the contact area of the air flow on the sound-absorbing material 8 can be increased when the air flow flows to, thereby efficiency when adsorbing is higher, and the effect of adsorption noise is better, and the left side of adsorbing chamber 7 is equipped with air intake 9, and the outside fixed mounting that the air intake 9 left side is located base 1 has filter screen 10, and air outlet 11 has been seted up at base 1's top.
The theory of operation, when this fan switch on power supply during operation, the air current at first enters into the inside of adsorbing chamber 7 through filter screen 10, the air current reentrants the flow channel inside through the absorption of the inside acoustic material 8 in adsorbing chamber 7, flow channel 6 is leading-in to flabellum 5 department with the air current, flabellum 5 has the pushing action to the air current, push the air current to air outlet 11 and outwards discharge, air outlet 11 department also is equipped with acoustic material 8, further adsorption of going forward to the noise that the air current flows the production, thereby the volume of noise has been reduced, the air current finishes the circulation from air outlet 11 department discharge afterwards, when the fan does not need the during operation, it can to close the power.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a box-type noise elimination fan, includes base (1), its characterized in that: the upper portion fixed mounting of base (1) has whole quick-witted case (2), the right side fixed mounting of whole quick-witted case (2) has motor fixing base (3), the upper end fixed mounting of motor fixing base (3) has single phase motor (4), the output shaft of single phase motor (4) runs through the inside flabellum (5) of the whole quick-witted case of lateral wall fixedly connected with whole quick-witted case (2) of whole quick-witted case (2), the left side of flabellum (5) is equipped with flow passage (6), the left side fixedly connected with fixed absorption wall (12) of flow passage (6), the left side of fixed absorption wall (12) is equipped with adsorbs chamber (7), the inside fixed mounting who adsorbs chamber (7) has sound absorbing material (8), the left side that adsorbs chamber (7) is equipped with air intake (9), the outside fixed mounting that air intake (9) left side is located base (1) has filter screen (10, an air outlet (11) is formed in the top of the base (1).
2. The box-type muffling fan of claim 1, wherein: the diameter of the left side of the flow channel (6) is larger than that of the right side of the flow channel, and the right side of the flow channel (6) extends into the fan blade (5).
3. The box-type muffling fan of claim 1, wherein: the sound-absorbing material (8) is fixedly connected with the front surface and the back surface of the integral case (2), and the same gaps are arranged above and below the sound-absorbing material (8).
4. The box-type muffling fan of claim 1, wherein: one part of the left side of the single-phase motor (4) is arranged in the integral case (2), and the other part of the single-phase motor (4) is arranged outside the right side of the integral case (2).
5. The box-type muffling fan of claim 1, wherein: the single-phase motor (4) is electrically connected with a power supply through a power line.
6. The box-type muffling fan of claim 1, wherein: the whole case (2) is fixed by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451955.7U CN209959509U (en) | 2019-04-04 | 2019-04-04 | Box-type noise elimination fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451955.7U CN209959509U (en) | 2019-04-04 | 2019-04-04 | Box-type noise elimination fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959509U true CN209959509U (en) | 2020-01-17 |
Family
ID=69241801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920451955.7U Expired - Fee Related CN209959509U (en) | 2019-04-04 | 2019-04-04 | Box-type noise elimination fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959509U (en) |
-
2019
- 2019-04-04 CN CN201920451955.7U patent/CN209959509U/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: 20200117 |