CN217898306U

CN217898306U - Direct current low noise FFU filter unit

Info

Publication number: CN217898306U
Application number: CN202221809448.4U
Authority: CN
Inventors: 李华新
Original assignee: Huarui Zhizao Xiamen Purification Co ltd
Current assignee: Huarui Zhizao Xiamen Purification Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-25
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to a direct current low noise FFU filter unit, including the organism, the top surface of organism is equipped with the overhead guard, the top surface of overhead guard is equipped with honeycomb holes, the bottom of overhead guard is connected with the fan subassembly that stretches into the organism, the exit end of organism bottom is connected with the filter screen, the exit end of fan subassembly communicates the branch wind subassembly that has the holding in the organism; the air distribution assembly comprises an air distribution bin communicated with the outlet end of the fan assembly and a bottom cover for sealing the bottom port of the air distribution bin, and a plurality of air distribution ports distributed in an annular mode are formed in the outer wall of the air distribution bin. The utility model discloses a fan subassembly, divide the equipment of wind subassembly to stretch into in the organism, make things convenient for the dismouting to maintain more to protect the fan subassembly through the overhead guard that sets up honeycomb holes, and then introduce the branch wind subassembly through honeycomb holes with the air through the fan subassembly in, through dividing the even diffusion of wind gap to the organism inner chamber of wind storehouse outer wall, by filter screen uniform filtration, the air-out is more even stable.

Description

Direct current low noise FFU filter unit

Technical Field

The utility model relates to a fan technical field specifically is direct current low noise FFU filter unit.

Background

The FFU filter unit is an air supply filter device with power and is a tail end air supply device with a filtering effect. The air filter is provided with a primary and efficient filter screen, the top of the FFU filter unit is provided with an induced draft fan, air is sucked and filtered through the induced draft fan, and the filtered clean air is uniformly sent out from an air outlet surface. And, but FFU filter unit modularization connects the use for FFU filter unit wide application in application occasions such as toilet, clean bench, clean production line, assembled toilet and laminar flow cover.

Among the prior art, in FFU filter unit mostly adopted the fan to introduce the organism with the air, the air distribution in the organism is inhomogeneous, leads to the air-out through the filter screen inhomogeneous, and after the organism was introduced to the fan, because air distribution is inhomogeneous, it is great to cause wind to make an uproar, uses unsatisfactory. Therefore, in order to solve the above problems, a direct current low noise FFU filter unit is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a direct current low noise FFU filter unit to it is inhomogeneous to solve FFU filter unit air-out among the prior art, and the great problem of wind noise.

In order to achieve the above object, the utility model provides a following technical scheme: the direct-current low-noise FFU filter unit comprises a machine body, wherein a top cover is arranged on the top surface of the machine body, honeycomb holes are formed in the top surface of the top cover, a fan assembly extending into the machine body is connected to the bottom end of the top cover, a filter screen is connected to the outlet end of the bottom of the machine body, and the outlet end of the fan assembly is communicated with an air distribution assembly accommodated in the machine body;

the air distribution assembly comprises an air distribution bin communicated with the outlet end of the fan assembly and a bottom cover for sealing the bottom port of the air distribution bin, and a plurality of air distribution ports distributed in an annular mode are formed in the outer wall of the air distribution bin.

Preferably, the fan assembly comprises a fan shell extending into the machine body, the top edge of the fan shell is connected with the top surface and the top cover of the machine body, the bottom edge of the fan shell is connected with the air distributing bin, and an induced draft fan is arranged in the fan shell.

Preferably, the fan assembly further comprises mounting frames arranged at two ends of the fan shell, an air induction port is formed between each mounting frame and the fan shell, an induced draft fan is connected between the two mounting frames, and an air guide port communicated with the air induction port in a corresponding mode is formed in the top surface of the air distribution bin.

Preferably, the top surface of the machine body is provided with a mounting hole, the mounting hole is used for the fan assembly and the air distribution assembly to extend into the machine body, and the inner diameter of the mounting hole is between the outer diameter of the top edge and the outer diameter of the bottom edge of the fan shell.

Preferably, the wind distribution device further comprises a wind distribution component, the wind distribution component comprises a wind guide disc arranged in the wind distribution bin, a wind guide surface in a conical cambered surface structure is formed on the outer wall of the wind guide disc, and the wind guide surface is used for guiding the outlet wind of the fan component into the wind distribution opening.

Preferably, the air-homogenizing assembly further comprises spoiler blades annularly distributed on the top surface of the air guide disc, and an air channel corresponding to the air distributing opening is formed between the adjacent spoiler blades.

Preferably, the even wind subassembly still includes the pivot of rotation installation in dividing the wind storehouse, the pivot is used for the wind-guiding dish gyration to install, the vortex blade is the arcuation.

Preferably, the portable multifunctional washing machine further comprises handles, and the handles are arranged on two sides of the top surface of the machine body.

The utility model discloses possess following beneficial effect at least:

1. the utility model adopts the fan component and the air distribution component to assemble and extend into the machine body, which is more convenient for disassembly and maintenance, and protects the fan component through the top cover provided with the honeycomb holes, so that the air is introduced into the air distribution component through the honeycomb holes by the fan component, and is uniformly diffused to the inner cavity of the machine body through the air distribution port on the outer wall of the air distribution bin, and is uniformly filtered by the filter screen, and the air outlet is more uniform and stable;

2. the utility model discloses an even wind subassembly, the air that is taper cambered surface structure through the guide panel carries out even direction to the air in introducing the branch wind storehouse, reduces wind effectively and makes an uproar, improves air-out efficiency, carries out the gyration by the pivot to the guide panel simultaneously and supports, and by vortex blade cooperation guide surface, and then under the air action that flows, the drive guide panel rotates, and then the air guide mouth introduces in the even leading-in organism of air in branch wind storehouse.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

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

FIG. 3 is a schematic perspective view of the assembly of the middle top cover, the fan assembly, the air distributing assembly and the air homogenizing assembly of the present invention;

FIG. 4 is a schematic diagram of the exploded structure of FIG. 3;

fig. 5 is a schematic perspective view of a fan assembly according to the present invention;

fig. 6 is an explosion structure diagram of the air distribution assembly of the present invention.

In the reference symbols: 1. a body; 2. a fan assembly; 21. a fan housing; 22. a mounting frame; 23. an induced draft fan; 24. an air inducing port; 3. a top cover; 4. honeycomb holes; 5. filtering with a screen; 6. a wind distribution assembly; 61. a wind distributing bin; 62. a bottom cover; 63. a wind guide opening; 64. an air distributing opening; 7. a wind evening component; 71. a rotating shaft; 72. a wind guide plate; 73. a wind guide surface; 74. a spoiler blade; 8. a handle; 9. and (7) mounting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-6, the present invention provides a technical solution: the direct-current low-noise FFU filter unit comprises a machine body 1, wherein a top cover 3 is arranged on the top surface of the machine body 1, honeycomb holes 4 are formed in the top surface of the top cover 3, a fan assembly 2 stretching into the machine body 1 is connected to the bottom end of the top cover 3, a filter screen 5 is connected to the outlet end of the bottom of the machine body 1, specifically, the filter screen 5 comprises one or more of primary, intermediate and high-efficiency filter screens, the filtering levels of the primary, intermediate and high-efficiency filter screens are consistent with the wind direction, the outer frame of the filter screen 5 is attached to the inner wall of the machine body 1 and connected with the inner wall of the machine body 1 through bolts, and the outlet end of the fan assembly 2 is communicated with a wind distribution assembly 6 accommodated in the machine body 1;

divide wind subassembly 6 to include the branch wind storehouse 61 with fan subassembly 2 exit end intercommunication and seal the bottom 62 that divides wind storehouse 61 bottom port, it is concrete, divide the top in wind storehouse 61 and fan subassembly 2's exit end intercommunication, divide the outer wall of wind storehouse 61 to set up the branch wind gap 64 that a plurality of annular distributes, can protect fan subassembly 2 through the overhead guard 3 that sets up honeycomb holes 4, and then introduce the air in dividing wind subassembly 6 through fan subassembly 2 through honeycomb holes 4, divide wind gap 64 uniform diffusion to organism 1 inner chamber through dividing wind storehouse 61 outer wall, and then by filter screen 5 uniform filtration, the air-out is more even stable.

Wherein, still including handle 8, handle 8 sets up in the both sides of 1 top surfaces of organism, can install organism 1 through handle 8, more convenient operation.

Wherein, fan subassembly 2 is including stretching into fan shell 21 in the organism 1, top edge and the overhead guard 3 of connecting organism 1 are followed to the top of fan shell 21, and is concrete, the top edge and the top surface of organism 1 of connecting fan shell 21 in proper order through the bolt along the outer edge of 3 bottom ports on overhead guard, and the end edge and the branch wind storehouse 61 of fan shell 21 are connected, and is concrete, and the external diameter on edge is less than the external diameter on top edge at the bottom of fan shell 21, is equipped with draught fan 23 in the fan shell 21, can introduce the branch wind storehouse 61 with the outside air through draught fan 23 in.

Wherein, fan subassembly 2 is still including setting up the mounting bracket 22 at fan shell 21 both ends, be formed with induced air port 24 between mounting bracket 22 and the fan shell 21, and is concrete, induced air port 24 is the annular and distributes, connects draught fan 23 between two mounting brackets 22, and is concrete, draught fan 23 is the motor drive flabellum, and the motor is connected with one of them mounting bracket 22, divide the top surface in wind storehouse 61 to offer and correspond the wind-guiding mouth 63 of intercommunication with induced air port 24, can be through the fixed draught fan 23 of mounting bracket 22, and carry out the air guide through induced air port 24.

Wherein, mounting hole 9 has been seted up to the top surface of organism 1, mounting hole 9 is used for fan subassembly 2 and divides wind subassembly 6 to stretch into in the organism 1, the internal diameter size of mounting hole 9 is between fan shell 21 top along external diameter and end along external diameter size, it is concrete, the internal diameter of mounting hole 9 is greater than the external diameter on edge at the bottom of fan shell 21, and be less than the external diameter on fan shell 21 top edge, can cooperate fan subassembly 2 and branch wind subassembly 6 through mounting hole 9, make things convenient for fan subassembly 2 and the integrative assembly of dividing wind subassembly 6 more, the dismouting is maintained more conveniently.

The air distribution device further comprises an air distribution component 7, the air distribution component 7 comprises an air guide disc 72 arranged in the air distribution bin 61, an air guide surface 73 in a conical cambered surface structure is formed on the outer wall of the air guide disc 72, specifically, the air guide disc 72 is in a frustum structure, the bottom edge and the top edge of the air guide surface 73 correspond to the top edge and the bottom edge of the air distribution port 64 respectively, the air guide surface 73 is used for guiding the outlet air of the fan component 2 into the air distribution port 64, namely, the outlet air of the induced fan 23 can be guided to the air distribution port 64 through the air guide surface 73, the air noise is effectively reduced, and the air outlet efficiency is improved.

Example 2

On the basis of example 1, the difference lies in: the air uniformizing assembly 7 further comprises spoiler blades 74 annularly distributed on the top surface of the air guiding disc 72, and an air channel corresponding to the air dividing opening 64 is formed between the adjacent spoiler blades 74, so that air introduced from the air guiding opening 63 can be separated and guided out through the spoiler blades 74.

The air homogenizing assembly 7 further comprises a rotating shaft 71 rotatably installed in the air distributing bin 61, specifically, two ends of the rotating shaft 71 are respectively matched with the inner top surface of the air distributing bin 61 and the bottom cover 62 through bearings, the rotating shaft 71 is used for rotatably installing an air guide disc 72, specifically, a step-shaped counter bore is formed in the middle of the air guide disc 72, the inner diameter of the top end of the counter bore is smaller than that of the middle upper portion, the rotating shaft 71 is matched with a counter bore hole and is connected through a flat key, the air guide disc 72 can be rotatably installed through the rotating shaft 71, the air guide disc 72 is driven to rotate under the action of flowing air through the arc-shaped turbulence blades 74, and then air introduced into the air distributing bin 61 through the air guide port 63 is uniformly introduced into the machine body 1.

The working principle is as follows:

during assembly, after the fan assembly 2, the air distribution assembly 6 and the air uniformizing assembly 7 are integrally assembled, the fan assembly 2, the air distribution assembly 6 and the air uniformizing assembly 7 extend into the machine body 1 through the mounting hole 9, the top edge of the fan shell 21 is attached to the top surface of the machine body 1, and the top cover 3 is matched with the top edge of the fan shell 21 and is fixedly connected with the machine body 1 through bolts;

when the induced draft fan 23 works, air is introduced into the air distribution bin 61 through the honeycomb holes 4, the induced draft opening 24 and the air guide opening 63 under the action of fan blades, and is guided to the air distribution opening 64 through the cambered surface structure of the air guide surface 73;

after the flowing air contacts the air guide surface 73, the pushing force is generated on the turbulence blades 74, so that the air guide disc 72 is driven to rotate, the flowing air is disturbed, and then the air is uniformly diffused into the machine body 1, filtered by the filter screen 5 and uniformly guided out;

in conclusion, the air outlet of the air outlet surface is more uniform, the wind noise is effectively reduced, and the air outlet efficiency 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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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. Direct current low noise FFU filter unit, including organism (1), its characterized in that: the top surface of the machine body (1) is provided with a top cover (3), the top surface of the top cover (3) is provided with honeycomb holes (4), the bottom end of the top cover (3) is connected with a fan assembly (2) extending into the machine body (1), the outlet end of the bottom of the machine body (1) is connected with a filter screen (5), and the outlet end of the fan assembly (2) is communicated with a wind distribution assembly (6) accommodated in the machine body (1);

the air distribution assembly (6) comprises an air distribution bin (61) communicated with the outlet end of the fan assembly (2) and a bottom cover (62) for sealing the bottom port of the air distribution bin (61), and a plurality of air distribution openings (64) distributed in an annular mode are formed in the outer wall of the air distribution bin (61).

2. The direct current low noise FFU filter bank of claim 1, wherein: the fan assembly (2) comprises a fan shell (21) extending into the machine body (1), the top edge of the fan shell (21) is connected with the top surface and the top cover (3) of the machine body (1), the bottom edge of the fan shell (21) is connected with the air distribution bin (61), and an induced draft fan (23) is arranged in the fan shell (21).

3. The direct current low noise FFU filter bank of claim 2, wherein: the fan component (2) further comprises mounting frames (22) arranged at two ends of the fan shell (21), an air induction port (24) is formed between the mounting frames (22) and the fan shell (21), an induced draft fan (23) is connected between the mounting frames (22), and an air guide port (63) communicated with the air induction port (24) in a corresponding mode is formed in the top surface of the air distribution bin (61).

4. The direct current low noise FFU filter bank of claim 2, wherein: the top surface of the machine body (1) is provided with a mounting hole (9), the mounting hole (9) is used for the fan assembly (2) and the air distribution assembly (6) to extend into the machine body (1), and the inner diameter of the mounting hole (9) is between the outer diameter of the top edge and the outer diameter of the bottom edge of the fan shell (21).

5. The direct current low noise FFU filter bank of claim 1, wherein: the wind distributing device is characterized by further comprising a wind distributing component (7), wherein the wind distributing component (7) comprises a wind guide disc (72) arranged in the wind distributing bin (61), a wind guide surface (73) in a conical cambered surface structure is formed on the outer wall of the wind guide disc (72), and the wind guide surface (73) is used for guiding the outlet wind of the fan component (2) into the wind distributing opening (64).

6. The direct current low noise FFU filter bank of claim 5, wherein: the air homogenizing assembly (7) further comprises turbulence blades (74) annularly distributed on the top surface of the air guide disc (72), and an air channel corresponding to the air distributing opening (64) is formed between every two adjacent turbulence blades (74).

7. The direct current low noise FFU filter bank of claim 6, wherein: the air homogenizing assembly (7) further comprises a rotating shaft (71) rotatably mounted in the air distributing bin (61), the rotating shaft (71) is used for rotatably mounting an air guide disc (72), and the turbulent flow blades (74) are arc-shaped.

8. The direct current low noise FFU filter bank of any one of claims 1-7, wherein: the novel kitchen cabinet is characterized by further comprising handles (8), wherein the handles (8) are arranged on two sides of the top surface of the cabinet body (1).