CN217976762U

CN217976762U - Low-noise energy-saving environment-friendly mixed flow fan

Info

Publication number: CN217976762U
Application number: CN202222057470.4U
Authority: CN
Inventors: 王涛; 姚婷婷
Original assignee: Guanke Holding Group Co ltd
Current assignee: Guanke Holding Group Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-06
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses an energy-concerving and environment-protective mixed flow fan of low noise relates to mixed flow fan technical field. The utility model comprises a protective shell, a noise reduction component and an air inlet dust removal component, wherein the noise reduction component and the air inlet dust removal component are both fixedly arranged inside the protective shell, and the noise reduction component is positioned outside the air inlet dust removal component; the noise reduction assembly comprises an air duct and sound absorption mineral wool, the air duct is fixedly arranged inside the protective shell, a plurality of array-distributed radio through holes are formed in the side wall of the air duct, a sound insulation cavity is formed between the outer wall of the air duct and the inner wall of the protective shell, and the sound absorption mineral wool is fixedly arranged in the sound insulation cavity; the air inlet dust removal component comprises a central block, a connecting plate and an active carbon adsorption net, and the central block is arranged at the air inlet end of the air duct. The utility model discloses a subassembly and the dust removal subassembly of admitting air of making an uproar falls in design has avoided the dust to cover on the blade, has promoted the fan performance, has avoided the noise to expose simultaneously, has promoted operational environment's atmosphere.

Description

Low-noise energy-saving environment-friendly mixed flow fan

Technical Field

The utility model belongs to the technical field of the mixed flow fan, especially, relate to an energy-concerving and environment-protective mixed flow fan of low noise.

Background

The fan between the axial flow fan and the centrifugal fan, the impeller of the mixed flow fan makes the air do both centrifugal motion and axial motion, and the motion of the air in the shell mixes the two motion forms of axial flow and centrifugation, so the mixed flow fan is called as mixed flow.

The fan mainly comprises an impeller, a shell, an inlet collector, a flow deflector, a motor and the like. The impeller is welded on the hub by adopting a twisted flat plate with meridian acceleration characteristics. The dynamic balance check and the overspeed test show that the aerodynamic performance is good. The casing is circular and is connected with the wind collector with the silencing function into a whole. The outlet is provided with a flow deflector, so that the air flow distribution is good, and the pressure is stable.

Because the mixed flow fan can produce great noise at the during operation, the operational environment who gives people causes the influence, and the environment that the mixed flow fan was used is comparatively abominable, contains more dust in the air usually, and along with the work of mixed flow fan, the dust can get into inside the casing through the air intake and cover on the blade, influences the fan performance, for this reason, we provide a low noise energy-concerving and environment-protective mixed flow fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-concerving and environment-protective mixed flow fan of low noise, solve present because the mixed flow fan can produce great noise at the during operation, the operational environment who gives people causes the influence, and the environment that the mixed flow fan was used is comparatively abominable, contains more dust in the air usually, along with the work of mixed flow fan, the dust can get into inside the casing through the air intake and cover on the blade, influences the problem of fan performance.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a low-noise energy-saving environment-friendly mixed flow fan comprises a protective shell, a noise reduction assembly and an air inlet dust removal assembly, wherein the noise reduction assembly and the air inlet dust removal assembly are fixedly arranged inside the protective shell, and the noise reduction assembly is positioned on the outer side of the air inlet dust removal assembly;

the noise reduction assembly comprises an air duct and sound absorption mineral wool, the air duct is fixedly arranged inside the protective shell, a plurality of sound reception through holes distributed in an array mode are formed in the side wall of the air duct, a sound insulation cavity is formed between the outer wall of the air duct and the inner wall of the protective shell, and the sound absorption mineral wool is fixedly arranged in the sound insulation cavity;

the dust removal subassembly that admits air includes center block, connecting plate and active carbon adsorption net, the center block sets up the inlet end at the dryer, the connecting plate has a plurality of, and the equal fixed connection of a plurality of connecting plate is in the week side of center block, and adjacent form the air intake between the connecting plate, active carbon adsorption net fixed connection is at the inner wall of dryer, just active carbon adsorption net is located the inboard of center block.

Preferably, the end part of the air duct is fixedly connected with an inner tube flanging, the end part of the protective shell is fixedly connected with a shell flanging, and the inner tube flanging is fixedly connected with the shell flanging through a bolt.

Preferably, the air inlet end of the air duct is in an outward-expanding bell mouth shape and plays a role of a collector, so that the airflow is accelerated to establish a uniform velocity field and a uniform pressure field, the flow loss is reduced, and the air inlet efficiency is improved.

Preferably, the inside of dryer still is provided with servo motor, servo motor passes through the inner wall of connecting seat fixed connection at the dryer.

Preferably, the side wall of the protective shell is fixedly connected with two supporting seats, the two supporting seats are both located below the protective shell, and the two supporting seats are symmetrically arranged around the central axis plane of the protective shell.

Preferably, the inner wall air outlet end fixedly connected with of dryer hides the dirt filter screen, hides the dirt filter screen and filters the air that mixes the flow through once more, improves exhaust air's purity.

Preferably, servo motor's output fixedly connected with wheel hub, wheel hub's all sides fixedly connected with blade, the blade has a plurality of, a plurality of blade circumference array distributes at wheel hub's all sides.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, through the noise reduction component and the air inlet dust removal component, when the mixed flow fan works, air enters through the air inlet formed between the adjacent connecting plates, dust contained in the air is adsorbed through the activated carbon adsorption net, the dust is prevented from covering the blades, the fan performance is improved, meanwhile, when the air is discharged, the dust shielding filter screen fixedly connected with the air outlet end of the inner wall of the air duct purifies and filters again, the purity of the air is ensured, and the influence on the environment is avoided; meanwhile, noise generated by the mixed flow fan during working can enter the air duct through the sound receiving through hole formed in the side wall of the air duct, a sound insulation cavity is formed between the outer wall of the air duct and the inner wall of the protective shell, the sound absorption mineral wool is fixedly arranged in the sound insulation cavity to absorb the noise, the noise is prevented from being exposed, and the working environment atmosphere is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of the low-noise energy-saving environment-friendly mixed flow fan of the present invention;

FIG. 2 is a front view of the low-noise energy-saving environment-friendly mixed flow fan of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along A-A of FIG. 2 of the low-noise, energy-saving and environment-friendly mixed flow fan of the present invention;

FIG. 4 is a cross-sectional view taken at B-B of the low-noise energy-saving environment-friendly mixed flow fan of the present invention shown in FIG. 2;

fig. 5 is a perspective view of the wind tunnel and the connecting member of the low-noise energy-saving environment-friendly mixed flow fan of the present invention.

In the figure: 1. a protective housing; 2. an air duct; 3. the shell is flanged; 4. flanging the inner cylinder; 5. a bolt; 6. a servo motor; 7. a connecting seat; 8. a hub; 9. a blade; 10. a sound reception through hole; 11. a sound-insulating chamber; 12. sound absorption mineral wool; 13. a center block; 14. a connecting plate; 15. an air inlet; 16. an activated carbon adsorption net; 17. a dust shielding filter screen; 18. and (4) supporting the base.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly fixed or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a low-noise energy-saving environment-friendly mixed flow fan, which comprises a protective casing 1, a noise reduction assembly and an air inlet dust removal assembly, wherein the noise reduction assembly and the air inlet dust removal assembly are both fixedly arranged inside the protective casing 1, and the noise reduction assembly is positioned outside the air inlet dust removal assembly; the noise reduction assembly comprises an air duct 2 and sound absorption mineral wool 12, the air duct 2 is fixedly arranged inside the protective shell 1, a plurality of sound reception through holes 10 distributed in an array are formed in the side wall of the air duct 2, a sound insulation cavity 11 is formed between the outer wall of the air duct 2 and the inner wall of the protective shell 1, the sound absorption mineral wool 12 is fixedly arranged in the sound insulation cavity 11, noise generated by the mixed flow fan during working can enter the sound insulation cavity 11 formed between the outer wall of the air duct 2 and the inner wall of the protective shell 1 through the sound reception through holes 10 formed in the side wall of the air duct 2, and is absorbed by the sound absorption mineral wool 12 fixedly arranged in the sound insulation cavity 11;

air inlet dust removal subassembly includes center block 13, connecting plate 14 and active carbon adsorption net 16, center block 13 sets up the inlet end at dryer 2, connecting plate 14 has a plurality of, the equal fixed connection of a plurality of connecting plate 14 is in the week side of center block 13, and form air intake 15 between the adjacent connecting plate 14, active carbon adsorption net 16 fixed connection is at dryer 2's inner wall, and active carbon adsorption net 16 is located the inboard of center block 13, the air passes through the air intake 15 entering that forms between the adjacent connecting plate 14, adsorb the dust that contains in the air through active carbon adsorption net 16, it influences fan performance to have avoided the dust to cover on blade 9.

Wherein, the tip fixedly connected with inner tube turn-ups 4 of dryer 2, the tip fixedly connected with shell turn-ups 3 of protecting sheathing 1 pass through bolt 5 fixed connection between inner tube turn-ups 4 and the shell turn-ups 3 for dryer 2 is more firm with protecting sheathing 1's fixed.

The air inlet end of the air duct 2 is in an outward-expanding horn mouth shape, and plays a role of a current collector, so that the airflow is accelerated to establish a uniform velocity field and a uniform pressure field, the flow loss is reduced, and the air inlet efficiency is improved.

Wherein, preferably, the inside of dryer 2 still is provided with servo motor 6, and servo motor 6 passes through connecting seat 7 fixed connection at the inner wall of dryer 2, and servo motor 6 provides power for wheel hub 8's rotation.

Wherein, two supporting seats 18 of lateral wall fixedly connected with of protecting sheathing 1, two supporting seats 18 all are located the below of protecting sheathing 1, and two supporting seats 18 set up about the axial plane symmetry of protecting sheathing 1, and supporting seat 18 provides the support for whole device, makes mixed flow fan can stable work.

Wherein, the inner wall air-out end fixedly connected with of dryer 2 hides dirt filter screen 17, hides dirt filter screen 17 and filters the air that mixes the flow through once more, improves exhaust air's purity.

Wherein, servo motor 6's output fixedly connected with wheel hub 8, wheel hub 8's all sides fixedly connected with blade 9, and blade 9 has a plurality of, and 9 circumference arrays of a plurality of blade distribute at wheel hub 8's all sides, and servo motor 6 drives wheel hub 8 and rotates, and wheel hub 8 drives blade 9 and rotates for the air forms the air current better and enters into in the dryer 2.

The utility model discloses the theory of operation:

when the mixed flow fan is used by personnel, when the mixed flow fan works, air enters through the air inlet 15 formed between the adjacent connecting plates 14, dust contained in the air is adsorbed through the activated carbon adsorption net 16, the dust is prevented from covering the blades 9, the performance of the fan is improved, and when the air is discharged, the air is purified and filtered again through the dust shielding filter screen 17 fixedly connected with the air outlet end of the inner wall of the air duct 2, so that the purity of the air is ensured, and the influence on the environment is avoided; meanwhile, noise generated by the mixed flow fan during working can enter the outer wall of the air duct 2 and the inner wall of the protective shell 1 through the sound receiving through hole 10 formed in the side wall of the air duct 2 to form a sound insulation cavity 11, and is absorbed by sound absorption mineral wool 12 fixedly arranged in the sound insulation cavity 11, so that the noise is prevented from being exposed, and the atmosphere of the working environment is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an energy-concerving and environment-protective mixed flow fan of low noise, includes protecting sheathing (1), falls the subassembly of making an uproar and the dust removal subassembly that admits air, its characterized in that: the noise reduction assembly and the air inlet dust removal assembly are both fixedly arranged in the protective shell (1), and the noise reduction assembly is positioned on the outer side of the air inlet dust removal assembly;

the noise reduction assembly comprises an air duct (2) and sound absorption mineral wool (12), the air duct (2) is fixedly arranged inside the protective shell (1), a plurality of array-distributed sound reception through holes (10) are formed in the side wall of the air duct (2), a sound insulation cavity (11) is formed between the outer wall of the air duct (2) and the inner wall of the protective shell (1), and the sound absorption mineral wool (12) is fixedly arranged in the sound insulation cavity (11);

the air inlet dust removal assembly comprises a center block (13), a connecting plate (14) and an activated carbon adsorption net (16), wherein the center block (13) is arranged at the air inlet end of the air duct (2), the connecting plate (14) is provided with a plurality of connecting plates (14) which are fixedly connected on the peripheral side of the center block (13) and adjacent to each other, an air inlet (15) is formed between the connecting plates (14), the activated carbon adsorption net (16) is fixedly connected on the inner wall of the air duct (2), and the activated carbon adsorption net (16) is located on the inner side of the center block (13).

2. The low-noise energy-saving environment-friendly mixed flow fan as claimed in claim 1, wherein an inner cylinder flange (4) is fixedly connected to an end of the air duct (2), a housing flange (3) is fixedly connected to an end of the protective housing (1), and the inner cylinder flange (4) and the housing flange (3) are fixedly connected through a bolt (5).

3. The low-noise energy-saving environment-friendly mixed flow fan as claimed in claim 1, wherein the air inlet end of the air duct (2) is in a flared bell mouth shape and plays a role of a collector.

4. The low-noise energy-saving environment-friendly mixed flow fan as claimed in claim 1, wherein a servo motor (6) is further arranged inside the air duct (2), and the servo motor (6) is fixedly connected to the inner wall of the air duct (2) through a connecting seat (7).

5. A low-noise, energy-saving and environment-friendly mixed flow fan as claimed in claim 1, wherein two supporting seats (18) are fixedly connected to the side wall of the protective casing (1), both of the two supporting seats (18) are located below the protective casing (1), and the two supporting seats (18) are symmetrically arranged with respect to the central axis of the protective casing (1).

6. The low-noise energy-saving environment-friendly mixed flow fan as claimed in claim 1, wherein a dust-shielding filter screen (17) is fixedly connected to an air outlet end of the inner wall of the air duct (2).

7. A low-noise energy-saving environment-friendly mixed flow fan according to claim 4, wherein the output end of the servo motor (6) is fixedly connected with a hub (8), the peripheral side surface of the hub (8) is fixedly connected with a plurality of blades (9), and the plurality of blades (9) are circumferentially arrayed on the peripheral side surface of the hub (8).