CN217440386U

CN217440386U - Efficient noise-reducing mesh enclosure of axial flow fan

Info

Publication number: CN217440386U
Application number: CN202221269449.4U
Authority: CN
Inventors: 潘孝林
Original assignee: Hangzhou Hongtu Electric Technology Co ltd
Current assignee: Hangzhou Hongtu Electric Technology Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-09-16
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses an axial fan screen panel of high-efficient noise that falls belongs to axial fan technical field. The utility model discloses an axial fan screen panel of high-efficient noise that falls, including the axial fan main part, the one end of axial fan main part is provided with the air inlet end plate, and the other end of axial fan main part is provided with the air-out end plate. For solving current axial fan and receiving self structural feature's influence at the operation in-process, the air can produce the problem of certain noise influence when the cavity internal compression, the both ends of axial fan main part are provided with the air-out respectively and enclose fender and air-inlet and enclose the fender, the air encloses the inside that fender department entered into the fan from the air-inlet, utilize the air-inlet to enclose the noise that the sound absorbing structure who keeps off the surface reduces the wind speed and produces when passing through, later enclose to keep off from the air-out after the compression and blow out, the surface that the fender was enclosed in the air-out is formed by a plurality of prism grid horizontal arrangement, the effect of prism grid is the condition appearance that the inside air current of fan that leads to when avoiding subtending the incoming wind flows backward.

Description

Efficient noise-reducing mesh enclosure of axial flow fan

Technical Field

The utility model relates to an axial fan technical field specifically is an axial fan screen panel of high-efficient noise that falls.

Background

The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.

However, the existing axial flow fan is influenced by the structural characteristics of the existing axial flow fan in the operation process, and certain noise influence is generated when air is compressed in the cavity; therefore, the existing requirements are not met, and the efficient noise reduction axial flow fan mesh enclosure is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an axial fan screen panel of high-efficient noise reduction, when the fan operation, the suction of production can drive inhales the cotton board of sound and inwards overturn and expand, can carry out the level with the air current that gets into and cut apart like this, and the air current when cutting apart the entering, inhales the cotton board of sound and can also reduce the produced friction noise of air current motion, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient axial fan screen panel of noise that falls, includes the axial fan main part, the one end of axial fan main part is provided with the air inlet end plate, and the other end of axial fan main part is provided with the air-out end plate, the axial fan main part sets up to the integral type structure with air inlet end plate and air-out end plate, the outside of air inlet end plate is provided with the air inlet and encloses the fender, and the air inlet encloses the fender and pass through bolted connection with the air inlet end plate, the outside of air-out end plate is provided with the air-out and encloses the fender and pass through bolted connection with the air-out end plate, the surface that the fender was enclosed in the air-out is provided with the prism grid, and the prism grid encloses the fender with the air-out and set up to the integral type structure.

Preferably, the inner part of the axial flow fan main body is provided with a fan blade main body, the fan blade main body is connected with the axial flow fan main body through a support, the outer surface of the prismatic grid is provided with an air port window groove, and the air port window groove is of a circular structure.

Preferably, the air inlet encloses the surface that keeps off and is provided with and accomodates the window groove, the inside of accomodating the window groove is provided with inhales the cotton blade of sound bubble, and inhales the cotton blade of sound bubble and have a plurality ofly.

Preferably, inhale the cotton blade of sound bubble including central bone axle and inhale the cotton board of sound, central bone axle sets up the one side of inhaling the cotton board of sound, and central bone axle passes through the adhesive with inhaling the cotton board of sound and be connected.

Preferably, both ends of the central bone shaft are provided with the switching bearings, and the central bone shaft is rotatably connected with the air inlet enclosure through the switching bearings.

Preferably, the sound-absorbing cotton plates are connected in a fitting manner, and the rotation angle of the sound-absorbing cotton plates is 0-90 degrees.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an axial fan main part's both ends are provided with the air-out respectively and enclose fender and air inlet and enclose the fender, and the air encloses the inside that keeps off the department and enter into the fan from the air inlet, utilizes the air inlet to enclose the sound absorbing structure on fender surface and reduces the noise that the wind speed produced when passing through, later through compress the back blow out from the air-out encloses the fender after, the surface that the air-out encloses the fender is formed by a plurality of prismatic grids horizontal arrangement, prismatic grid's effect is that the condition that the inside air current of fan that leads to when avoiding the opposite direction to come in flows backward appears;

2. the utility model discloses the air inlet encloses the cotton blade of a plurality of sound bubble of inhaling that is provided with in the window groove that accomodates that keeps off surface, mutually perpendicular laminating between these sound bubble cotton blades of inhaling, every sound bubble cotton blade of inhaling all is formed by central bone axle and the combination of sound absorption cotton board, inhale the inboard that the cotton board is fixed at the window groove of accomodating with the help of the central bone axle of sound, and all install a set of switching bearing at the both ends of central bone axle, can realize the rotation function of the cotton blade of sound bubble like this, when the fan operation, the suction that produces can drive and inhale the inward upset of sound cotton board and expand, can carry out horizontal segmentation with the air current that gets into like this, and the air current is when cutting apart the entering, inhale the cotton board and can also reduce the produced friction noise of air current motion.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic structural view of the main body of the blade of the present invention;

FIG. 3 is a schematic view of the structure of the air intake end plate of the present invention;

figure 4 is the utility model discloses a inhale cotton blade structure schematic diagram of sound bubble.

In the figure: 1. an axial flow fan main body; 2. an air inlet end plate; 3. an air outlet end plate; 4. an air outlet enclosure; 5. a prismatic grid; 6. a tuyere window slot; 7. a blade body; 8. an air inlet baffle; 9. a storage window slot; 10. a sound absorbing foam blade; 11. switching a bearing; 12. a central bone axis; 13. sound absorbing cotton board.

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, the present invention provides an embodiment: a high-efficiency noise-reducing axial flow fan mesh enclosure comprises an axial flow fan main body 1, one end of the axial flow fan main body 1 is provided with an air inlet end plate 2, the other end of the axial flow fan main body 1 is provided with an air outlet end plate 3, the axial flow fan main body 1, the air inlet end plate 2 and the air outlet end plate 3 are arranged into an integral structure, the outer side of the air inlet end plate 2 is provided with an air inlet baffle 8, the air inlet baffle 8 is connected with the air inlet end plate 2 through a bolt, the outer side of the air outlet end plate 3 is provided with an air outlet baffle 4, the air outlet baffle 4 is connected with the air outlet end plate 3 through a bolt, the outer surface of the air outlet baffle 4 is provided with a prismatic grille 5, the prismatic grille 5 and the air outlet baffle 4 are arranged into an integral structure, the two ends of the axial flow fan main body 1 are respectively provided with an air outlet baffle 4 and an air inlet baffle 8, air enters the inside of a fan from the air inlet baffle 8, and noise generated when air speed passes through is reduced by using a sound absorption structure on the surface of the air inlet baffle 8, then blow out from air-out after compressing and enclose fender 4, the surface that the fender 4 is enclosed in the air-out is formed by a plurality of prismatic grid 5 horizontal arrangement, and prismatic grid 5's effect is avoided the condition that leads to when the oncoming wind the inside air current of fan flows backward to appear.

Referring to fig. 1-2, a fan blade main body 7 is disposed inside the axial flow fan main body 1, the fan blade main body 7 is connected to the axial flow fan main body 1 through a bracket, a tuyere window groove 6 is disposed on an outer surface of the prismatic grid 5, the tuyere window groove 6 is configured in a circular structure, and the tuyere window groove 6 is located in a central distribution area of the prismatic grid 5, and mainly functions to realize an air outlet function of the fan.

Referring to fig. 3-4, the outer surface of the air intake enclosure 8 is provided with a receiving window groove 9, a plurality of sound-absorbing foam blades 10 are disposed inside the receiving window groove 9, the sound-absorbing foam blades 10 include a central skeleton shaft 12 and a sound-absorbing foam plate 13, the central skeleton shaft 12 is disposed on one side of the sound-absorbing foam plate 13, the central skeleton shaft 12 is connected to the sound-absorbing foam plate 13 through an adhesive, the two ends of the central skeleton shaft 12 are provided with adapter bearings 11, the central skeleton shaft 12 is rotatably connected to the air intake enclosure 8 through the adapter bearings 11, the sound-absorbing foam plates 13 are connected to each other in an adhering manner, the rotation angle of the sound-absorbing foam plate 13 is 0-90 °, the receiving window groove 9 on the surface of the air intake enclosure 8 is provided with a plurality of sound-absorbing foam blades 10, the sound-absorbing foam blades 10 are perpendicularly adhered to each other, each sound-absorbing foam blade 10 is formed by combining the central skeleton shaft 12 and the sound-absorbing foam plate 13, inhale cotton board 13 and fix the inboard at accomodating window slot 9 with the help of the central bone axle 12 of one side, and all install a set of switching bearing 11 at the both ends of central bone axle 12, can realize like this and inhale the rotation function of the cotton blade of sound bubble 10, when the fan operation, the suction of production can drive and inhale the cotton board 13 of sound and inwards overturn and expand, can carry out the level with the air current of entering and cut apart like this, and the air current is when cutting apart the entering, inhales cotton board 13 of sound and can also reduce the produced friction noise of air current motion.

In summary, the axial flow fan body 1 is provided with an air outlet baffle 4 and an air inlet baffle 8 at two ends respectively, air enters the fan from the air inlet baffle 8, noise generated when the air speed passes through is reduced by using a sound absorbing structure on the surface of the air inlet baffle 8, then the air is compressed and blown out from the air outlet baffle 4, the surface of the air outlet baffle 4 is formed by horizontally arranging a plurality of prismatic grids 5, the prismatic grids 5 are used for avoiding the reverse flow of air flow in the fan caused by the opposite wind, a plurality of sound absorbing foam blades 10 are arranged in a receiving window groove 9 on the surface of the air inlet baffle 8, the sound absorbing foam blades 10 are vertically attached to each other, each sound absorbing foam blade 10 is formed by combining a central bone shaft 12 and a sound absorbing cotton plate 13, the sound absorbing cotton plate 13 is fixed on the inner side of the receiving window groove 9 by the central bone shaft 12 on one side, and a set of adapter bearings 11 are installed at two ends of the central bone shaft 12, can realize inhaling the rotation function of the cotton blade of sound bubble 10 like this, when the fan operation, the suction of production can drive and inhale the cotton board 13 inside upset of sound and expand, can carry out horizontal segmentation with the air current that gets into like this, and the air current is cutting apart the entering while, inhales the cotton board 13 of sound and can also reduce the produced friction noise of air current motion.

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

1. The utility model provides an axial fan screen panel of high-efficient noise reduction, includes axial fan main part (1), its characterized in that: the utility model discloses a fan, including axial fan main part (1), air inlet end plate (2), air outlet end plate (3), the structure of being integral type is provided with to the one end of axial fan main part (1), the other end of axial fan main part (1), axial fan main part (1) sets up to the air outlet end plate (2) and air outlet end plate (3), the outside of air inlet end plate (2) is provided with the air inlet and encloses fender (8), and the air inlet encloses fender (8) and pass through bolted connection with air inlet end plate (2), the outside of air outlet end plate (3) is provided with the air outlet and encloses fender (4), and the air outlet encloses fender (4) and pass through bolted connection with air outlet end plate (3), the surface that the air outlet encloses fender (4) is provided with prismatic grid (5), and prismatic grid (5) and air outlet enclose fender (4) and set up to the integral type structure.

2. The efficient noise reduction axial flow fan mesh enclosure of claim 1, wherein: the fan is characterized in that a fan blade main body (7) is arranged inside the axial flow fan main body (1), the fan blade main body (7) is connected with the axial flow fan main body (1) through a support, an air opening window groove (6) is formed in the outer surface of the prismatic grid (5), and the air opening window groove (6) is of a circular structure.

3. The efficient noise reduction axial flow fan mesh enclosure of claim 1, wherein: the surface that the air inlet encloses fender (8) is provided with accomodates window groove (9), the inside of accomodating window groove (9) is provided with inhales the cotton blade of sound bubble (10), and inhales the cotton blade of sound bubble (10) and have a plurality ofly.

4. The efficient noise-reducing axial flow fan mesh enclosure according to claim 3, characterized in that: inhale cotton blade of sound bubble (10) including central bone axle (12) and inhale cotton board of sound (13), central bone axle (12) set up the one side of inhaling cotton board of sound (13), and central bone axle (12) and inhale cotton board of sound (13) and pass through the adhesive and be connected.

5. The efficient noise-reducing axial flow fan mesh enclosure according to claim 4, wherein: both ends of central bone axle (12) all are provided with switching bearing (11), and central bone axle (12) enclose fender (8) rotation with the air inlet through switching bearing (11) and are connected.

6. The mesh enclosure of an axial flow fan with high efficiency and noise reduction function as claimed in claim 5, wherein: the sound-absorbing cotton plates (13) are connected in a laminating manner, and the rotation angle of the sound-absorbing cotton plates (13) is 0-90 degrees.