Long service life's type of making an uproar centrifugal fan falls
The utility model relates to the technical field of centrifugal fans, in particular to a noise reduction type centrifugal fan with long service life.
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
After a large number of searches, the following results are obtained: chinese utility model patent: the utility model discloses a noise reduction type centrifugal fan which comprises a noise reduction type centrifugal fan mechanism and a damping mechanism, wherein the noise reduction type centrifugal fan mechanism comprises a fan body and a fan blade, wherein the fan blade is arranged on the fan blade; the noise reduction centrifugal fan mechanism comprises: the noise reduction centrifugal fan mechanism comprises a trapezoidal mounting plate, wherein a round shell and a rectangular shell are arranged on the trapezoidal mounting plate, the rectangular shell is located on the right side of the round shell, the inside side of the round shell is provided with a sound absorbing cotton, the inner side of the sound absorbing cotton is provided with a motor, an output shaft of the motor penetrates through the rectangular shell, a rotating shaft is arranged on the output shaft of the motor, blades are distributed on the side surface of the rotating shaft in an array mode, an annular noise absorbing hole plate is arranged inside the rectangular shell, the annular noise absorbing hole plate wraps the outer side of the blades, the noise reduction centrifugal fan can be segmented and reduced, the noise reduction effect is improved, the damping can be carried out on the centrifugal fan, the service life of the fire-fighting smoke exhaust fan is not influenced, and the use is convenient for users.
Centrifugal fan can produce great noise and cause environmental pollution in the course of the work, can also cause harm to staff's healthy, and the noise still enables the staff and can not concentrate attention and carefully work, and exchange between the staff is also comparatively difficult simultaneously, reduces work efficiency, consequently needs a long service life's the type of making an uproar centrifugal fan that falls.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a noise reduction type centrifugal fan with long service life, which has the advantages that the effect of reducing noise can be realized by arranging a sound-proof cover outside the fan, the fan used for a long time can be cooled by arranging a condensing box on the upper side of the fan, the motor is prevented from being burnt out due to overhigh temperature, the service life of the motor is prolonged, the cost is saved, and the problems that the centrifugal fan generates larger noise in the working process to cause environmental pollution and can cause harm to the body health of staff are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a long service life's type of making an uproar centrifugal fan falls, includes sound-proof housing, small motor, waterproof board, abatvoix A, condensing box, fan shell, be fixed with abatvoix A on the inner wall of sound-proof housing, inside one side of sound-proof housing is fixed with the small motor, be fixed with the axle sleeve in the pivot of small motor, be 90 degrees contained angle symmetries on the axle sleeve and install four flabellums, the outside of flabellum is equipped with the fan shell, the fan shell is fixed at the inside opposite side of sound-proof housing, the upper end of small motor is fixed with the waterproof board, the upper end of waterproof board is fixed with the condensing box, the upper end of condensing box is located the outside top of sound-proof housing, the inside of condensing box is equipped with the water barrier.
Preferably, four supporting blocks are symmetrically installed at four corners of the bottom of the sound-proof housing, and one side of the bottom of the sound-proof housing is connected with a wire plug.
Preferably, the bottom of the small motor is fixed on a buffer plate through a base, and the buffer plate is fixed at the bottom of the inner side of the sound-proof housing through a bolt.
Preferably, be fixed with abatvoix B on the inner wall of fan shell, one side that the fan shell deviates from small-size motor is equipped with the air intake, the air intake is located the outside of sound-proof housing, the inside of air intake is fixed with the filter screen, the upper end of fan shell is equipped with the air outlet, the upper end of air outlet is located the top of sound-proof housing.
Preferably, the upper end symmetry of condensing box is equipped with water inlet and delivery port, the delivery port is located the one side that is close to the air outlet, all install the water valve switch on water inlet and the delivery port, be linked together through the condensate pipe between water inlet and the delivery port, the condensate pipe is the heliciform and fixes the inside at the condensing box.
Preferably, four radiating holes are symmetrically formed in the front end and the rear end of the sound-proof shield close to the lower position, and a function button is arranged at the front end of the sound-proof shield above the radiating holes.
Compared with the prior art, the utility model has the following beneficial effects: according to the centrifugal fan, the sound-proof housing is arranged on the outer side of the fan, the effect of reducing noise can be achieved, the condensing box is arranged on the upper side of the fan, the fan which is used for a long time can be cooled, the motor is prevented from being burnt out due to overhigh temperature, the service life of the motor is prolonged, the cost is saved, the device is simple in structure, convenient and fast to operate, good in noise reduction effect and convenient to mount and dismount, and meanwhile, the centrifugal fan is provided with the cooling ventilation window, and the using effect is better.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a right side view of the present invention;
FIG. 5 is a right side view of the present invention;
fig. 6 is an enlarged structural view of the utility model at a in fig. 1.
In the figure: 1. a wire plug; 2. a sound-proof housing; 3. a small-sized motor; 4. a waterproof sheet; 5. a sound absorbing panel A; 6. a condenser tank; 7. a water inlet; 8. a condensate pipe; 9. a water barrier layer; 10. an air outlet; 11. a fan housing; 12. a fan blade; 13. a shaft sleeve; 14. an air inlet; 15. a sound-absorbing panel B; 16. a base; 17. a buffer plate; 18. a support block; 19. a water outlet; 20. a water valve switch; 21. a function button; 22. a heat dissipation port; 23. and (4) a filter screen.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a noise reduction type centrifugal fan with a long service life, which comprises: the utility model provides a long service life's type of making an uproar centrifugal fan that falls, including sound-proof housing 2, small motor 3, waterproof board 4, abatvoix A5, condensing box 6, fan shell 11, four supporting shoes 18 are installed to the bottom four corners symmetry of sound-proof housing 2, bottom one side of sound-proof housing 2 is connected with electric wire plug 1, be fixed with abatvoix A5 on the inner wall of sound-proof housing 2, the noise that can produce the motor through setting up abatvoix A5 absorbs, reduce noise pollution, inside one side of sound-proof housing 2 is fixed with small motor 3, small motor 3's bottom is fixed on buffer board 17 through base 16, buffer board 17 passes through the inboard bottom of bolt fastening at sound-proof housing 2, buffer board 17 has certain cushioning effect to the vibrations of motor, reduce the holistic shock strength of equipment, the life of extension equipment.
Be fixed with axle sleeve 13 in small-size motor 3's the pivot, be 90 degrees contained angle symmetries on the axle sleeve 13 and install four flabellums 12, the outside of flabellum 12 is equipped with fan shell 11, fan shell 11 is fixed at the inside opposite side of sound-proof housing 2, be fixed with abatvoix B15 on the inner wall of fan shell 11, one side that fan shell 11 deviates from small-size motor 3 is equipped with air intake 14, air intake 14 is located the outside of sound-proof housing 2, air intake 14's inside is fixed with filter screen 23, filter screen 23 can filter the foreign matter, prevent that the foreign matter from getting into equipment and leading to the equipment damage, the upper end of fan shell 11 is equipped with air outlet 10, the upper end of air outlet 10 is located the top of sound-proof housing 2.
The upper end of small-size motor 3 is fixed with waterproof board 4, waterproof board 4 can make the motor of below can not intake and lead to damaging, the upper end of waterproof board 4 is fixed with condenser box 6, the upper end of condenser box 6 is located the outside top of sound-proof housing 2, the inside of condenser box 6 is equipped with water barrier 9, the upper end symmetry of condenser box 6 is equipped with water inlet 7 and delivery port 19, delivery port 19 is located the one side that is close to air outlet 10, all install water valve switch 20 on water inlet 7 and the delivery port 19, be linked together through condensate pipe 8 between water inlet 7 and the delivery port 19, condensate pipe 8 is the heliciform and fixes the inside at condenser box 6, through adding the comdenstion water to the inside condensate pipe 8 of condenser box 6, can cool down the inside equipment of sound-proof housing 2, avoid equipment to burn out.
The four heat dissipation ports 22 are symmetrically arranged at the front end and the rear end of the sound-proof housing 2 close to the lower position, and the function buttons 21 are arranged at the front end of the sound-proof housing 2 above the heat dissipation ports 22.
The motor is designed by using a small low-rotation-speed motor ZGA 37-37 RG, the motor is only used as a reference for the technical field, and the technical field can select motors with the same parameters and functions for installation, debugging and use according to actual production requirements, and the utility model is not described in detail.
The working principle is as follows: the noise that centrifugal fan produced at the during operation absorbs through abatvoix A5 and abatvoix B15 and makes an uproar falls, uses the inside high temperature of sound-proof housing 2 when the fan for a long time, through carrying the comdenstion water to water inlet 7 on the condensing box 6, the comdenstion water is discharged from delivery port 19 after through flowing the absorbed heat in condensate pipe 8 to lower the temperature to inside equipment, can also dispel the heat through thermovent 22.
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 utility model, the scope of which is defined in the appended claims and their equivalents.