CN216842308U

CN216842308U - High noise reduction anti-vibration fan for high-altitude outdoor unit

Info

Publication number: CN216842308U
Application number: CN202220252258.0U
Authority: CN
Inventors: 陈明华
Original assignee: Hangzhou Huahuang Electric Machinery Co ltd
Current assignee: Hangzhou Huahuang Electric Machinery Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-06-28
Anticipated expiration: 2032-02-08

Abstract

The utility model relates to a high noise reduction anti-vibration fan for high altitude outdoor machine, which comprises a base, wherein the bottom of the base is fixedly provided with a shock pad, the left and right sides of the inside of the base are fixedly provided with two fixing bolts, the top of the base is fixedly provided with a motor, the top of the base is fixedly provided with a fan, and the front side of the fan is fixedly provided with a noise reduction mechanism; the utility model discloses a noise reduction device, including a fan, a noise reduction section of thick bamboo, an air inlet section of thick bamboo, an anti-sound guide section of thick bamboo, the front side fixed mounting of fan falls. This high altitude outdoor unit is with high nature of making an uproar shock-proof fan that falls, the motor of setting for provide the power of fan operation, the mechanism of making an uproar falls in the setting, is used for weakening the noise that the fan operation produced, reaches the effect of making an uproar of falling, and the shell of setting is used for protecting internal components.

Description

High noise reduction anti-vibration fan for high-altitude outdoor unit

Technical Field

The utility model relates to a fan technical field specifically is high altitude outdoor unit is with high noise reduction nature anti-vibration fan.

Background

The fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine, generally speaking, the fan comprises a ventilator, a blower and a wind power generator, and the fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces; 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 current fan is used very extensively, can install the fan and be used for refrigeration or heating usually in the outer machine of air conditioner, current sound insulation fan is in the use, it uses damping spring to realize the shock attenuation, but the mechanical motion that the fan produced belongs to continuous motion, damping spring not only can not play the shock attenuation effect, and easily increase and rock, and simultaneously, current fan is great because of the equipment body, the noise that its produced is great, form noise pollution, so the high altitude outdoor machine high noise reduction nature anti-vibration fan has been proposed and the problem in the aforesaid is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high altitude outdoor unit is with high noise reduction nature anti-vibration fan possesses the good advantage of noise reduction effect, has solved current syllable-dividing fan in the use, and it uses damping spring to realize the shock attenuation, but the mechanical motion that the fan produced belongs to continuous motion, and damping spring not only can not play the shock attenuation effect, and easily increases and rock, and simultaneously, current fan is great because of the equipment body, and the noise that its produced is great, forms the problem of noise pollution.

In order to achieve the above object, the utility model provides a following technical scheme: the high-noise-reduction anti-vibration fan for the high-altitude outdoor unit comprises a base, wherein a shock pad is fixedly mounted at the bottom of the base, two fixing bolts are fixedly mounted on the left side and the right side of the interior of the base, a motor is fixedly mounted at the top of the base, a fan is fixedly mounted at the top of the base, and a noise reduction mechanism is fixedly mounted on the front side of the fan;

the mechanism of making an uproar falls including a section of thick bamboo, anti-sound section of thick bamboo, an air inlet section of thick bamboo, a sound guide section of thick bamboo and the cotton section of thick bamboo of falling the sound of making an uproar, the front side fixed mounting of fan falls a section of thick bamboo of making an uproar, the inside fixed mounting who falls a section of thick bamboo has an anti-sound section of thick bamboo, the rear side fixed mounting who reflects a sound section of thick bamboo has an air inlet section of thick bamboo, the inside fixed mounting who falls a section of thick bamboo of making an uproar has a sound guide section of thick bamboo that is located anti-sound section of thick bamboo rear side, the inside fixed mounting who leads a sound section of thick bamboo has the cotton section of thick bamboo of falling the sound.

Further, fixing bolt's bottom runs through base and shock pad in proper order and extends to the bottom of shock pad, fixing bolt's outside threaded connection has the nut that is located the shock pad top.

Further, the top fixed mounting of base has the shell, the front side of making an uproar section of thick bamboo runs through the shell and extends to with the front surface parallel and level of shell, the left side of fan is provided with the protection casing.

Further, the inside of fan is provided with the transmission shaft, the output shaft outside of motor is provided with the belt that extends to the transmission shaft, one side that the motor output shaft was kept away from to the belt cup joints the outside at the transmission shaft, the belt is located the inside of protection casing.

Furthermore, the number of the sound reflecting cylinder, the number of the air inlet cylinder, the number of the sound guiding cylinder and the number of the sound reducing cotton cylinders are three, the sound reflecting cylinder, the air inlet cylinder, the sound guiding cylinder and the sound reducing cotton cylinders are respectively in one-to-one correspondence, and three groups are distributed in the noise reducing cylinder in a front-back mode.

Further, every group the rear side of an air inlet section of thick bamboo all extends to the inside of every group sound reduction cotton section of thick bamboo, the front side diameter of an anti-sound section of thick bamboo is greater than the rear side diameter, the diameter of an air inlet section of thick bamboo is less than the front side diameter of a sound reduction cotton section of thick bamboo, the rear side diameter of a sound reduction cotton section of thick bamboo is greater than the front side diameter.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this high altitude outdoor unit is with high noise reduction nature anti-vibration fan, through the base that sets up, play the effect of support, the shock pad of setting plays absorbing effect, be used for the buffering and the vibrations of loosing, the fixing bolt of setting, be used for with the pedestal mounting on the building face, the motor of setting, be used for providing the power of fan function, the mechanism of making an uproar falls in setting, the noise that is used for producing the fan function weakens, reach the effect of making an uproar, the shell of setting, be used for protecting internal components.

2. This high altitude outdoor unit is with high noise reduction nature anti-vibration fan, a section of thick bamboo of making an uproar falls through setting up, be used for supporting and fall the mechanism of making an uproar, the anti-sound section of thick bamboo of setting, be used for induced drafting, and the oblique conical surface of outside of anti-sound section of thick bamboo can reflect the noise and absorb on leading the sound section of thick bamboo and weaken, the air inlet section of thick bamboo of setting, be used for the air inlet, the sound section of thick bamboo of leading of setting, be used for weakening the noise of anti-sound section of thick bamboo reflection, the cotton section of thick bamboo of making an uproar falls in the setting, be used for absorbing the noise that produces the fan weakens, three group's parts of making an uproar fall absorb the noise step by step and weaken, make the noise decrement, reach the effect of effectively making an uproar.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the fan of the present invention;

fig. 4 is the schematic view of the sectional structure of the noise reduction mechanism of the present invention.

In the figure: the device comprises a base 1, a shock pad 2, a fixing bolt 3, a motor 4, a fan 5, a protective cover 51, a noise reduction mechanism 6, a noise reduction cylinder 601, a sound reflection cylinder 602, an air inlet cylinder 603, a sound guide cylinder 604, a sound reduction cotton cylinder 605 and a shell 7.

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. 1-4, the high noise reduction anti-vibration fan for the high altitude outdoor unit comprises a base 1, the base 1 is arranged to play a role of supporting, a shock pad 2 is fixedly arranged at the bottom of the base 1, the shock pad 2 is arranged to play a role of damping, used for buffering and dispersing vibration, the left side and the right side of the inside of the base 1 are both fixedly provided with two fixing bolts 3 and the arranged fixing bolts 3, is used for installing a base 1 on a building surface, a motor 4 is fixedly installed at the top of the base 1, a fan 5 and the arranged motor 4 are fixedly installed at the top of the base 1, used for providing power for the operation of the fan 5, the front side of the fan 5 is fixedly provided with a noise reduction mechanism 6, the noise reduction mechanism 6 is arranged, the shell 7 is used for weakening noise generated by the operation of the fan 5 to achieve the effect of noise reduction, and is used for protecting internal components;

the noise reduction mechanism 6 comprises a noise reduction cylinder 601, an anti-sound cylinder 602, an air inlet cylinder 603, a sound guide cylinder 604 and a noise reduction cotton cylinder 605, the noise reduction cylinder 601 is fixedly arranged on the front side of the fan 5, the noise reduction cylinder 601 is arranged and used for supporting the noise reduction mechanism 6, the anti-sound cylinder 602 is fixedly arranged inside the noise reduction cylinder 601, the anti-sound cylinder 602 is arranged and used for sucking air, the noise can be reflected to the sound guide cylinder 604 by the inclined conical surface outside the anti-sound cylinder 602 to be absorbed and weakened, the air inlet cylinder 603 is fixedly arranged on the rear side of the anti-sound cylinder 602 and used for inlet air, the sound guide cylinder 604 is fixedly arranged inside the noise reduction cylinder 601 and used for weakening the noise reflected by the anti-sound cylinder 602, the noise reduction cotton cylinder 605 is fixedly arranged inside the sound guide cylinder 604 and the noise reduction cotton cylinder 605 is arranged and used for weakening the absorption and weakening the noise generated by the fan 5, and the noise reduction parts are arranged for gradually absorbing and weakening the noise, the noise is decreased progressively, and the effect of effective noise reduction is achieved.

When in implementation, the method comprises the following steps:

1) the motor 4 drives the fan 5 to operate through a belt, an impeller of the fan 5 rotates to suck air, and a large amount of noise is generated in the process;

2) the noise is absorbed and weakened by the inner wall of the noise reduction cotton tube 605, and then discharged into the next noise reduction cotton tube 605, and is weakened step by step;

3) part of the noise enters the gap between the anti-sound tube 602 and the noise reduction tube 601, is reflected to the sound guide tube 604 by the outer surface of the anti-sound tube 602, and is absorbed and attenuated;

4) the other part of the noise enters the next stage of the noise reduction cotton tube 605, and is reduced by the cooperation of the anti-sound tube 602 and the sound guide tube 604.

To sum up, this high altitude outdoor unit is with high noise reduction nature anti-vibration fan, through the base 1 that sets up, play the effect of support, the shock pad 2 of setting plays absorbing effect, be used for the buffering and the vibrations that disperse, the fixing bolt 3 of setting, be used for installing base 1 on the building face, the motor 4 of setting, a power for providing 5 functions of fan, the mechanism 6 of making an uproar falls in setting, a noise that produces 5 functions of fan weakens, reach the effect of making an uproar, the shell 7 of setting, be used for protecting the internals.

Moreover, through the arrangement of the noise reduction cylinder 601 for supporting the noise reduction mechanism 6, the arrangement of the anti-sound cylinder 602 for air suction, the external oblique conical surface of the anti-sound cylinder 602 can reflect noise to the sound guide cylinder 604 for absorption and weakening, the arrangement of the air inlet cylinder 603 for air inlet, the arrangement of the sound guide cylinder 604 for weakening the noise reflected by the anti-sound cylinder 602, the arrangement of the noise reduction cotton cylinder 605 for weakening the noise absorption generated by the fan 5, and the three groups of noise reduction parts for gradually absorbing and weakening the noise so as to gradually reduce the noise and achieve the effective noise reduction effect, the problems that the damping is realized by using a damping spring in the use process of the existing soundproof fan are solved, but the mechanical motion generated by the fan 5 belongs to continuous motion, the damping spring not only cannot play a damping effect, but also is easy to increase and shake, and meanwhile, the noise generated by the existing fan 5 is larger due to the larger equipment body, creating a problem of noise pollution.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. High altitude outdoor machine high noise reduction nature anti-vibration fan, including base (1), its characterized in that: the damping pad (2) is fixedly installed at the bottom of the base (1), two fixing bolts (3) are fixedly installed on the left side and the right side of the interior of the base (1), the motor (4) is fixedly installed at the top of the base (1), the fan (5) is fixedly installed at the top of the base (1), and the noise reduction mechanism (6) is fixedly installed on the front side of the fan (5);

the noise reduction mechanism (6) comprises a noise reduction barrel (601), an anti-noise barrel (602), an air inlet barrel (603), a sound guide barrel (604) and a noise reduction cotton barrel (605), the front side fixed mounting of the fan (5) is provided with the noise reduction barrel (601), the internal fixed mounting of the noise reduction barrel (601) is provided with the anti-noise barrel (602), the rear side fixed mounting of the anti-noise barrel (602) is provided with the air inlet barrel (603), the internal fixed mounting of the noise reduction barrel (601) is provided with the sound guide barrel (604) positioned at the rear side of the anti-noise barrel (602), and the internal fixed mounting of the sound guide barrel (604) is provided with the noise reduction cotton barrel (605).

2. The high noise reduction anti-vibration fan for the high-altitude outdoor unit of claim 1, characterized in that: the bottom of fixing bolt (3) runs through base (1) and shock pad (2) in proper order and extends to the bottom of shock pad (2), the outside threaded connection of fixing bolt (3) has the nut that is located shock pad (2) top.

3. The high noise reduction anti-vibration fan for the high-altitude outdoor unit of claim 1, characterized in that: the top fixed mounting of base (1) has shell (7), the front side of making an uproar section of thick bamboo (601) of making an uproar runs through shell (7) and extends to with the front surface parallel and level of shell (7), the left side of fan (5) is provided with protection casing (51).

4. The high noise reduction anti-vibration fan for the high-altitude outdoor unit of claim 3, characterized in that: the inside of fan (5) is provided with the transmission shaft, the output shaft outside of motor (4) is provided with the belt that extends to the transmission shaft, the belt is kept away from one side cup jointed in the outside of transmission shaft of motor (4) output shaft, the belt is located the inside of protection casing (51).

5. The high noise reduction anti-vibration fan for the high-altitude outdoor unit of claim 1, characterized in that: the number of the anti-sound barrel (602), the air inlet barrel (603), the sound guide barrel (604) and the sound reduction cotton barrel (605) is three, the anti-sound barrel, the air inlet barrel, the sound guide barrel and the sound reduction cotton barrel are respectively in one-to-one correspondence, and three groups are distributed in the noise reduction barrel (601) in a front-back manner.

6. The high noise reduction anti-vibration fan for the high-altitude outdoor unit of claim 1, characterized in that: the rear side of each group of the air inlet cylinder (603) extends to the inside of each group of the sound reducing cotton cylinders (605), the diameter of the front side of the sound reflecting cylinder (602) is larger than that of the rear side, the diameter of the air inlet cylinder (603) is smaller than that of the front side of the sound reducing cotton cylinders (605), and the diameter of the rear side of the sound reducing cotton cylinders (605) is larger than that of the front side.