CN214661113U

CN214661113U - Fan

Info

Publication number: CN214661113U
Application number: CN202120818428.2U
Authority: CN
Inventors: 彭上; 吴兰勇; 解博超; 李清泉
Original assignee: Guangdong Nedfon Air System Co Ltd
Current assignee: Guangdong Nedfon Air System Co Ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-09
Anticipated expiration: 2031-04-20

Abstract

The utility model provides a fan, include: the fan blade subassembly, the drive in the wind channel fan blade subassembly pivoted power component and a plurality of setting of inside casing, the activity setting that is provided with the wind channel are in fan blade subassembly, the drive in the wind channel is in the water conservancy diversion piece in the wind channel, the water conservancy diversion piece with fan blade subassembly is followed the wind flow direction in wind channel is arranged according to the preface, the windward side of water conservancy diversion piece and adjacent the leeward side of water conservancy diversion piece forms the water conservancy diversion passageway, in the water conservancy diversion piece or/and be provided with sound absorbing material in the casing. Compared with the prior art, the utility model discloses a fan has reduced the disturbance that the wind current formed through adopting the water conservancy diversion piece guide wind current, has reduced the instability of the air current in the wind channel, has reduced the noise and has reduced energy loss, and the partial kinetic energy that the air current convoluteed the production changes pressure into, has improved the wind pressure to still set up sound absorbing material in casing or water conservancy diversion piece, further reduced the noise.

Description

Fan

Technical Field

The utility model relates to an air conditioning technology field, concretely relates to fan.

Background

The fan is used for conveying gas, and converting mechanical energy input by a prime motor into gas kinetic energy and pressure energy to output a fluid mechanical device. The fan can be used for ventilation in places such as general factories, warehouses, offices and houses, can also be used for air coolers (air coolers), evaporators, condensers, spray coolers and the like, also has a mine axial flow fan, adopts anticorrosive materials and explosion-proof measures for anticorrosive and explosion-proof axial flow fans, is matched with an explosion-proof motor, and can be used for conveying explosive, volatile and corrosive gas. But the current fan has larger noise and influences the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a fan.

An embodiment of the utility model provides a fan, include: the fan blade subassembly, the drive in the wind channel fan blade subassembly pivoted power component and a plurality of setting of inside casing, the activity setting that is provided with the wind channel are in fan blade subassembly, the drive in the wind channel is in the water conservancy diversion piece in the wind channel, the water conservancy diversion piece with fan blade subassembly is followed the wind flow direction in wind channel is arranged according to the preface, the windward side of water conservancy diversion piece and adjacent the leeward side of water conservancy diversion piece forms the water conservancy diversion passageway, in the water conservancy diversion piece or/and be provided with sound absorbing material in the casing.

Compared with the prior art, the utility model discloses a fan has reduced the disturbance that the wind current formed through adopting the water conservancy diversion piece guide wind current, has reduced the instability of the air current in the wind channel, has reduced the noise and has reduced energy loss, and the partial kinetic energy that the air current convoluteed the production changes pressure into, has improved the wind pressure to still set up sound absorbing material in casing or water conservancy diversion piece, further reduced the noise.

Further, a plurality of first sound absorption holes are formed in the outer surface of the flow deflector.

Further, a plurality of second sound absorbing holes are formed in the inner wall of the air duct.

Further, the flow guide channel extends spirally along the wind flow direction of the wind channel.

Furthermore, the component of the extending direction of the flow guide channel in the direction perpendicular to the wind flow direction of the wind channel is parallel to the rotating direction of the fan blade.

Further, when being provided with sound absorbing material in the casing, the casing includes interior bush, sound absorbing material and the overcoat that arranges according to the preface from inside to outside, the wind channel sets up in the interior bush.

Further, the sound-absorbing material is a foam sound-absorbing material or sound-absorbing cotton.

Further, the power component is including setting up motor mount pad in the wind channel and setting are in motor in the motor mount pad, the outer wall of motor mount pad with form first ventilation passageway between the inner wall in wind channel, the motor with fan blade subassembly transmission is connected, the water conservancy diversion piece centers on motor mount pad evenly arranges in the first ventilation passageway.

Further, fan blade subassembly include with motor drive connects blade mount pad and a plurality of setting are in blade on the blade mount pad, the outer wall of blade mount pad with form the second ventilation passageway between the inner wall in wind channel, the second ventilation passageway with first ventilation passageway intercommunication.

Further, the cross section of the second ventilation channel perpendicular to the wind flow direction of the wind channel is gradually reduced to be the same as the cross section of the first ventilation channel perpendicular to the wind flow direction of the wind channel along the wind flow direction of the wind channel.

In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.

Drawings

Fig. 1 is an exploded view of a blower according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an air inlet end of a fan according to an embodiment of the present invention;

fig. 3 is a sectional view of a fan according to an embodiment of the present invention.

Description of reference numerals:

10. a housing; 11. an air duct; 12. a second sound absorbing hole; 13. an inner liner; 14. a second sound absorbing material; 15. a jacket; 16. a first ventilation channel; 17. a second ventilation channel; 20. a fan blade assembly; 21. a blade mount; 22. a blade; 30. a power assembly; 31. a motor mounting seat; 32. a motor; 40. a flow deflector; 41. a flow guide channel.

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.

Please refer to fig. 1, which is an exploded view of a blower according to an embodiment of the present invention, the blower includes: the air conditioner comprises a shell 10, a fan blade assembly 20, a power assembly 30 and a plurality of guide vanes 40, wherein an air duct 11 is arranged in the shell 10, the fan blade assembly 20 is movably arranged in the air duct 11, the power assembly 30 drives the fan blade assembly 20 to rotate, and the guide vanes 40 are arranged in the air duct 11.

Please refer to fig. 2, which is a schematic structural diagram of an air inlet end of a fan according to an embodiment of the present invention, the flow deflector 40 and the fan blade assembly 20 are sequentially arranged along an airflow direction of the air duct 11, a wind guiding channel 41 is formed between a windward side of the flow deflector 40 and a leeward side of the adjacent flow deflector 40, and sound absorbing materials are disposed in the flow deflector 40 or/and the housing 10. The flow guide channel 41 plays a role in flow guide, disturbance on gas is avoided, gas flow loss is less, the fan efficiency is improved while noise generated by disturbance is reduced, and noise generated by wind flow is further absorbed by sound absorption materials in the shell 10 and/or the flow guide sheet 40, so that noise generated by the whole fan is greatly reduced.

In some alternative embodiments, the outer surface of the baffle 40 is provided with a plurality of first sound-absorbing holes (not shown). In this embodiment, the baffle 40 includes a first sound absorbing material and a sealing plate disposed on the surface of the first sound absorbing material, and the first sound absorbing hole may be disposed on the sealing plate, so as to guide noise to enter the first sound absorbing material to further reduce noise.

Referring to fig. 3, which is a cross-sectional view of a fan according to an embodiment of the present invention, in some optional embodiments, the inner wall of the air duct 11 is provided with a plurality of second sound-absorbing holes 12, and the second sound-absorbing holes 12 can assist in reducing noise.

In some alternative embodiments, the casing 10 includes an inner liner 13, a second sound absorbing material 14 and an outer liner 15, which are sequentially arranged from inside to outside, the air duct 11 is disposed in the inner liner 13, and if a second sound absorbing hole 12 is disposed in the air duct 11, the second sound absorbing hole 12 may be disposed on the inner liner 13.

In some alternative embodiments, the flow guide channel 41 extends spirally along the wind flow direction of the wind tunnel 11. It should be noted that, the outlet direction of the flow guide channel 41 may be selected to be parallel to the extending direction of the air duct 11 according to needs, so as to avoid the flow guide channel 41 guiding the wind flow into a spiral wind flow, for example, in the present embodiment, the outlet of the flow guide channel 41 is finally parallel to the extending direction of the air duct 11, so that the wind flow direction is parallel to the extending direction of the air duct, and the collision between the wind flow and the inner wall of the air duct 11 is reduced.

In some alternative embodiments, the component of the extending direction of the flow guide channel 41 perpendicular to the wind flow direction of the wind tunnel 11 is parallel to the rotation direction of the fan blade 22.

In some alternative embodiments, the sound absorbing material is a foam sound absorbing material or a sound absorbing cotton. In the present embodiment, the sound absorbing material is sound absorbing cotton, but other suitable sound absorbing materials may be used.

In some optional embodiments, the power assembly 30 includes a motor mounting seat 31 disposed in the air duct 11 and a motor 32 disposed in the motor mounting seat 31, a first ventilation channel 16 is formed between an outer wall of the motor mounting seat 31 and an inner wall of the air duct 11, the motor 32 is in transmission connection with the fan blade assembly 20, the guide vanes 40 are uniformly arranged in the first ventilation channel 16 around the motor mounting seat 31, the design may facilitate installation of the motor 32 and the guide vanes 40 in the air duct 11, and two sides of the guide vanes 40 may be respectively connected with the inner wall of the air duct 11 and the outer wall of the motor mounting seat 31, so as to facilitate fixation of two sides of the guide vanes 40.

In some alternative embodiments, the fan blade assembly 20 includes a blade mounting seat 21 in transmission connection with the motor 32 and a plurality of blades 22 disposed on the blade mounting seat 21, a second ventilation channel 17 is formed between an outer wall of the blade mounting seat 21 and an inner wall of the air duct 11, and the second ventilation channel 17 is communicated with the first ventilation channel 16. Preferably, the cross section of the second ventilation channel 17 perpendicular to the wind flow direction of the wind channel 11 is gradually reduced to be the same as the cross section of the first ventilation channel 16 perpendicular to the wind flow direction of the wind channel 11 along the wind flow direction of the wind channel 11, so as to facilitate the introduction of air into the second ventilation channel 17 through the first ventilation channel 16, and reduce air resistance, which can be achieved by arranging the blade mount 21 close to the outer wall of the motor mount 31 to be flush with the outer wall of the motor mount 31.

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. A fan, comprising: the fan blade subassembly, the drive in the wind channel fan blade subassembly pivoted power component and a plurality of setting of inside casing, the activity setting that is provided with the wind channel are in fan blade subassembly, the drive in the wind channel is in the water conservancy diversion piece in the wind channel, the water conservancy diversion piece with fan blade subassembly is followed the wind flow direction in wind channel is arranged according to the preface, the windward side of water conservancy diversion piece and adjacent the leeward side of water conservancy diversion piece forms the water conservancy diversion passageway, in the water conservancy diversion piece or/and be provided with sound absorbing material in the casing.

2. The fan of claim 1, wherein: the outer surface of the flow deflector is provided with a plurality of first sound absorption holes.

3. The fan of claim 1, wherein: and a plurality of second sound-absorbing holes are formed in the inner wall of the air duct.

4. The fan of claim 1, wherein: the flow guide channel extends spirally along the wind flow direction of the wind channel.

5. A fan according to claim 3, wherein: the component of the extending direction of the flow guide channel in the direction perpendicular to the wind flow direction of the air duct is parallel to the rotating direction of the fan blade.

6. The fan according to any one of claims 1 to 5, wherein: when being provided with sound absorbing material in the casing, the casing includes interior bush, sound absorbing material and the overcoat that arranges according to the preface from inside to outside, the wind channel sets up in the interior bush.

7. The fan according to any one of claims 1 to 5, wherein: the sound-absorbing material is a foam sound-absorbing material or sound-absorbing cotton.

8. The fan according to any one of claims 1 to 5, wherein: the power component comprises a motor mounting seat and a motor, wherein the motor mounting seat is arranged in the air duct, the motor is arranged in the motor mounting seat, a first ventilation channel is formed between the outer wall of the motor mounting seat and the inner wall of the air duct, the motor is in transmission connection with the fan blade component, and the flow deflector surrounds the motor mounting seat and is evenly arranged in the first ventilation channel.

9. The fan of claim 8, wherein: fan blade subassembly include with motor drive connects blade mount pad and a plurality of setting are in blade on the blade mount pad, the outer wall of blade mount pad with form the second ventilation passageway between the inner wall in wind channel, the second ventilation passageway with first ventilation passageway intercommunication.

10. The fan of claim 9, wherein: the cross section of the second ventilation channel perpendicular to the wind flow direction of the wind channel is gradually reduced to be the same as the cross section of the first ventilation channel perpendicular to the wind flow direction of the wind channel along the wind flow direction of the wind channel.