CN214533610U - Exhaust fan of making an uproar falls - Google Patents
Exhaust fan of making an uproar falls Download PDFInfo
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- CN214533610U CN214533610U CN202022099244.3U CN202022099244U CN214533610U CN 214533610 U CN214533610 U CN 214533610U CN 202022099244 U CN202022099244 U CN 202022099244U CN 214533610 U CN214533610 U CN 214533610U
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Abstract
The utility model relates to an exhaust fan technical field just discloses an exhaust fan of making an uproar falls, including the exhaust fan box, the left side fixedly connected with air-supply line of exhaust fan box, the one end swing joint of air-supply line has the dust cover, the right side fixedly connected with of exhaust fan box goes out the tuber pipe, the inner wall fixed mounting who goes out the tuber pipe has the support, one side fixed mounting of support has the noise elimination tripe, the fixed sound cotton of inhaling that is provided with of outer wall of noise elimination tripe. This exhaust fan of making an uproar falls can let the noise that the motor produced obtain effectual reduction when the bloop through on the acoustical panel to bring noise pollution, can filter and decompose dust and harmful gas, prevent that the harmful gas who produces from discharging and causing gas pollution in industrial production, and conveniently inspect and maintain the exhaust fan, effectively reduce the contact vibration of exhaust fan box and ground, the life of extension exhaust fan just can play certain noise reduction effect.
Description
Technical Field
The utility model relates to an exhaust fan technical field specifically is an exhaust fan of making an uproar falls.
Background
RTO is a high-efficient organic waste gas treatment equipment, compares with traditional catalytic combustion, direct combustion formula thermal oxidation stove, has the thermal efficiency height, running cost low and can handle characteristics such as big amount of wind middle and low concentration abandonment, when concentration is slightly high, still can carry out secondary waste heat recovery, greatly reduced production operation cost, its principle is that the organic matter in the waste gas oxidizes into corresponding carbon dioxide and water under high temperature to purify waste gas, and retrieve the heat that releases when waste gas decomposes. The exhaust fan can achieve the ventilation effect by exhausting air indoors or outdoors. The working principle of the exhaust fan is that electric power is input to drive a fan impeller to rotate through a motor so as to achieve the effect of air suction or air exhaust on gas, the fan is composed of elements such as an air inlet impeller shell motor and the like, the motor is used for converting the electric power into mechanical power to drive the impeller to rotate, an air inlet is used for guiding gas to smoothly enter the impeller, and the impeller is used for transferring kinetic energy during rotation to the gas. The general operation working condition of the exhaust fan is the popular exhaust, but in some projects, the working condition is manual low-speed and high-speed exhaust. When the double-speed fan is used as an exhaust fan, and the fan motor is overloaded, the thermal relay acts. The main loop power supply is cut off through the contactor. If overload protection is provided, the overload protection can act on the alarm signal.
The exhaust fan body noise treatment who uses mainly adopts the exhaust fan to install between giving sound insulation outward, or wrap up in exhaust fan casing outside and inhale techniques such as sound rock wool, and the cost is higher between giving sound insulation, still need consider motor heat dissipation and convenient the maintenance, easily receives the restriction of environment, makes noise reduction effect greatly reduced, causes noise pollution to near living environment, influences people's life work and rest etc..
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides an exhaust fan of making an uproar falls possesses advantages such as noise reduction effect is good, has solved the poor problem of general exhaust fan noise reduction effect.
(II) technical scheme
For the good purpose of realizing above-mentioned noise reduction effect, the utility model provides a following technical scheme: the utility model provides an exhaust fan of making an uproar falls, includes the exhaust fan box, the fixed soundproof cotton felt that is provided with of inner wall of exhaust fan box, the left side fixedly connected with air-supply line of exhaust fan box, the one end swing joint of air-supply line has the dust cover, the right side fixedly connected with of exhaust fan box goes out the tuber pipe, the fixed bracing piece that is provided with of inner wall of exhaust fan box, the one end fixedly connected with acoustical panel of bracing piece, the bloop has been seted up to the inner wall of acoustical panel, the inner wall fixed mounting of exhaust fan box has a supporting bench, the fixed motor that is provided with in top of supporting bench, the output of motor passes through shaft coupling fixedly connected with flabellum, the inner wall fixed mounting who goes out the tuber pipe has the support, one side fixed mounting of support has the noise elimination tripe, the outer wall fixed of noise elimination tripe is provided with inhales the sound cotton.
Preferably, the fixed first fixed block that is provided with of inner wall of exhaust fan box, the quantity of first fixed block is two, and two first fixed blocks use the horizontal central line of exhaust fan box to set up as symmetry axis symmetry, fixed mounting has the filter screen between two first fixed blocks.
Preferably, the fixed second fixed block that is provided with in inner wall of exhaust fan box, the quantity of second fixed block is two, and two second fixed blocks use the horizontal central line of exhaust fan box to set up as symmetry axis symmetry, fixed mounting has the active carbon to filter the cotton between two second fixed blocks.
Preferably, a handle is fixedly arranged at the top of the exhaust fan box body, and an anti-slip mat is fixedly connected to the bottom of the handle.
Preferably, the hinge is movably arranged on the front side of the exhaust fan box body, the front side of the exhaust fan box body is movably connected with the box door through the hinge, and the handle is fixedly arranged on the front side of the box door.
Preferably, the bottom of the exhaust fan box body is movably connected with a rubber pad, and the bottom of the rubber pad is fixedly connected with a damping sleeve.
Preferably, a movable opening is formed in one side of the exhaust fan box body, and the inner wall of the movable opening is movably connected with the outer wall of the damping sleeve.
(III) advantageous effects
Compared with the prior art, the utility model provides an exhaust fan of making an uproar falls possesses following beneficial effect:
1. this exhaust fan of making an uproar falls, through exhaust fan box, soundproof cotton felt, air-supply line, play tuber pipe, bracing piece, abatvoix, bloop, the noise elimination tripe and inhale the cotton use of mutually supporting of sound, can let the noise that the motor produced obtain effectual reduction when the bloop through the amortization cover on the pipe, noise after the bloop carries out the secondary through the amortization tripe once more and falls the noise to the noise that the exhaust fan produced in service has been reduced, in order to avoid bringing noise pollution.
2. This exhaust fan of making an uproar falls uses through mutually supporting of dust cover, first fixed block, filter screen, second fixed block and active carbon filter pulp, can filter and decompose dust and harmful gas, prevents that the harmful gas emission that produces from causing gas pollution in industrial production, has the effect of multiple guarantee to purifying gas to keep good industrial production environment.
3. This exhaust fan of making an uproar falls uses through mutually supporting of handle, slipmat, hinge, chamber door, handle, rubber pad, shock attenuation cover and expansion joint, can conveniently inspect and maintain the exhaust fan, and rubber pad and shock attenuation cover that set up simultaneously can effectively reduce the contact vibration of exhaust fan box and ground, and the life of extension exhaust fan just can play certain noise reduction effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1. an exhaust fan box body; 2. a sound-insulating cotton felt; 3. an air inlet pipe; 4. a dust cover; 5. an air outlet pipe; 6. a first fixed block; 7. a filter screen; 8. a second fixed block; 9. activated carbon filter cotton; 10. a support bar; 11. a sound-absorbing panel; 12. a silencing hole; 13. a support table; 14. a motor; 15. a support; 16. silencing shutters; 17. sound-absorbing cotton; 18. a handle; 19. a non-slip mat; 20. a hinge; 21. a box door; 22. a handle; 23. a rubber pad; 24. a shock-absorbing sleeve; 25. a movable opening; 26. a fan blade.
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 noise-reducing exhaust fan comprises an exhaust fan case 1, a soundproof cotton felt 2 is fixedly arranged on the inner wall of the exhaust fan case 1, an air inlet pipe 3 is fixedly connected to the left side of the exhaust fan case 1, a dust cover 4 is movably connected to one end of the air inlet pipe 3, an air outlet pipe 5 is fixedly connected to the right side of the exhaust fan case 1, a support rod 10 is fixedly arranged on the inner wall of the exhaust fan case 1, an acoustical panel 11 is fixedly connected to one end of the support rod 10, an acoustical hole 12 is formed in the inner wall of the acoustical panel 11, a support 13 is fixedly arranged on the inner wall of the exhaust fan case 1, a motor 14 is fixedly arranged on the top of the support 13, fan blades 26 are fixedly connected to the output end of the motor 14 through a coupler, a support 15 is fixedly arranged on the inner wall of the air outlet pipe 5, an acoustical louver 16 is fixedly arranged on one side of the support 15, and an acoustical cotton 17 is fixedly arranged on the outer wall of the acoustical louver 16, through the mutual matching use of the exhaust fan box body 1, the soundproof cotton felt 2, the air inlet pipe 3, the air outlet pipe 5, the support rod 10, the silencing board 11, the silencing hole 12, the silencing louver 16 and the sound absorption cotton 17, the noise generated by the motor can be effectively reduced when passing through the silencing hole 12 on the silencing board 11, the noise passing through the silencing hole 12 is subjected to secondary noise reduction through the silencing louver 16 again, so that the noise generated by the exhaust fan in the running process is reduced, and noise pollution is avoided, the inner wall of the exhaust fan box body 1 is fixedly provided with the first fixed blocks 6, the number of the first fixed blocks 6 is two, the two first fixed blocks 6 are symmetrically arranged by taking the horizontal central line of the exhaust fan box body 1 as a symmetric axis, the filter screen 7 is fixedly arranged between the two first fixed blocks 6, the inner wall of the exhaust fan box body 1 is fixedly provided with the second fixed block 8, and the number of the second fixed block 8 is two, the two second fixing blocks 8 are symmetrically arranged by taking the horizontal center line of the exhaust fan box body 1 as a symmetry axis, the activated carbon filter cotton 9 is fixedly arranged between the two second fixing blocks 8, the dust cover 4, the first fixing block 6, the filter screen 7, the second fixing blocks 8 and the activated carbon filter cotton 9 are matched with each other for use, dust and harmful gas can be filtered and decomposed, gas pollution caused by harmful gas emission generated in industrial production is prevented, multiple guarantee effects on purified gas are achieved, a good industrial production environment is kept, the top of the exhaust fan box body 1 is fixedly provided with a handle 18, the bottom of the handle 18 is fixedly connected with an anti-slip pad 19, the front of the exhaust fan box body 1 is movably provided with a hinge 20, the front of the exhaust fan box body 1 is movably connected with a box door 21 through the hinge 20, the front of the box door 21 is fixedly provided with a handle 22, and the bottom of the exhaust fan box body 1 is movably connected with a rubber pad 23, bottom fixedly connected with shock attenuation cover 24 of rubber pad, the expansion joint 25 has been seted up to one side of exhaust fan box 1, the inner wall of expansion joint 25 and the outer wall swing joint of shock attenuation cover 24, through handle 18, slipmat 19, hinge 20, chamber door 21, handle 22, rubber pad 23, the mutually supporting use of shock attenuation cover 24 and expansion joint 25, can conveniently inspect and maintain the exhaust fan, rubber pad 23 and shock attenuation cover 24 that set up simultaneously, can effectively reduce the contact vibration of exhaust fan box 1 and ground, the life of extension exhaust fan just can play certain noise reduction.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the air purifier is used, air enters the exhaust fan box body 1 from the air inlet pipe 3, the soundproof cotton felt 2 inside the exhaust fan box body 1 reduces noise and insulates sound generated by air entering, the air is filtered and purified through the filter screen 7 and the activated carbon filter cotton 9, the motor 14 in the exhaust fan box body 1 runs to rotate the fan blades 26 to drive the air to be discharged from the air outlet pipe 5, the silencing plate 11 is arranged around the motor 14, the silencing holes 12 formed in the silencing plate 11 can reduce noise generated by the running of the motor 14, the silencing shutters 16 and the sound absorbing cotton 17 arranged on the inner wall of the air outlet pipe 5 can reduce noise when exhausting air, the door 21 can be opened by using the handle 22, and the exhaust fan can be inspected or maintained.
In conclusion, this exhaust fan of making an uproar falls can let the noise that motor 14 produced obtain effectual reduction when passing through the bloop 12 on the acoustical panel 11, reduce the noise that the exhaust fan produced in service, in order to avoid bringing noise pollution, can filter and decompose dust and harmful gas, prevent that the harmful gas who produces from discharging and causing gas pollution in industrial production, and conveniently inspect and maintain the exhaust fan, effectively reduce the contact vibration of exhaust fan box 1 and ground, the life of extension exhaust fan just can play certain noise reduction effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (7)
1. The utility model provides an exhaust fan of making an uproar falls, includes exhaust fan box (1), its characterized in that: the inner wall of the exhaust fan box body (1) is fixedly provided with a soundproof cotton felt (2), the left side of the exhaust fan box body (1) is fixedly connected with an air inlet pipe (3), one end of the air inlet pipe (3) is movably connected with a dust cover (4), the right side of the exhaust fan box body (1) is fixedly connected with an air outlet pipe (5), the inner wall of the exhaust fan box body (1) is fixedly provided with a support rod (10), one end of the support rod (10) is fixedly connected with a silencing plate (11), the inner wall of the silencing plate (11) is provided with a silencing hole (12), the inner wall of the exhaust fan box body (1) is fixedly provided with a support table (13), the top of the support table (13) is fixedly provided with a motor (14), the output end of the motor (14) is fixedly connected with fan blades (26) through a coupler, and the inner wall of the air outlet pipe (5) is fixedly provided with a support (15), one side fixed mounting of support (15) has noise elimination tripe (16), the outer wall of noise elimination tripe (16) is fixed and is provided with sound absorption cotton (17).
2. A noise reducing exhaust fan in accordance with claim 1, wherein: the fixed first fixed block (6) that is provided with of inner wall of exhaust fan box (1), the quantity of first fixed block (6) is two, and two first fixed blocks (6) use the horizontal central line of exhaust fan box (1) to set up as symmetry axis symmetry, fixed mounting has filter screen (7) between two first fixed blocks (6).
3. A noise reducing exhaust fan in accordance with claim 1, wherein: the fixed second fixed block (8) that is provided with of inner wall of exhaust fan box (1), the quantity of second fixed block (8) is two, and two second fixed blocks (8) use the horizontal central line of exhaust fan box (1) to set up as symmetry axis symmetry, fixed mounting has active carbon to filter cotton (9) between two second fixed blocks (8).
4. A noise reducing exhaust fan in accordance with claim 1, wherein: the top of the exhaust fan box body (1) is fixedly provided with a handle (18), and the bottom of the handle (18) is fixedly connected with an anti-slip mat (19).
5. A noise reducing exhaust fan in accordance with claim 1, wherein: hinge (20) are movably arranged on the front side of the exhaust fan box body (1), the front side of the exhaust fan box body (1) is movably connected with a box door (21) through the hinge (20), and a handle (22) is fixedly arranged on the front side of the box door (21).
6. A noise reducing exhaust fan in accordance with claim 1, wherein: the bottom of the exhaust fan box body (1) is movably connected with a rubber pad (23), and the bottom of the rubber pad is fixedly connected with a damping sleeve (24).
7. A noise reducing exhaust fan in accordance with claim 1, wherein: one side of the exhaust fan box body (1) is provided with a movable opening (25), and the inner wall of the movable opening (25) is movably connected with the outer wall of the damping sleeve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022099244.3U CN214533610U (en) | 2020-09-22 | 2020-09-22 | Exhaust fan of making an uproar falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022099244.3U CN214533610U (en) | 2020-09-22 | 2020-09-22 | Exhaust fan of making an uproar falls |
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| Publication Number | Publication Date |
|---|---|
| CN214533610U true CN214533610U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022099244.3U Active CN214533610U (en) | 2020-09-22 | 2020-09-22 | Exhaust fan of making an uproar falls |
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| CN (1) | CN214533610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183456A (en) * | 2022-08-01 | 2022-10-14 | 韩吉刚 | Silencing structure of fan pipe disc |
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2020
- 2020-09-22 CN CN202022099244.3U patent/CN214533610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183456A (en) * | 2022-08-01 | 2022-10-14 | 韩吉刚 | Silencing structure of fan pipe disc |
| CN115183456B (en) * | 2022-08-01 | 2024-02-20 | 浙江悦风机械有限公司 | Noise reduction structure of fan pipe disc |
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