CN216618045U

CN216618045U - Formula fan filter unit is changed to FFU high efficiency

Info

Publication number: CN216618045U
Application number: CN202123268175.5U
Authority: CN
Inventors: 何金秀; 王洁颖; 闵书学
Original assignee: Shenzhen Xueshan Clean Technology Co ltd
Current assignee: Shenzhen Xueshan Clean Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-27
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to an FFU (fan filter unit) efficient replacement type fan filter unit, which comprises a shell, wherein a filter mechanism is arranged below the shell, the filter mechanism comprises a frame fixedly connected with the shell through bolts, a filter cavity is formed in the frame, ash discharge cavities are formed in two sides of the filter cavity, and the filter cavity and the ash discharge cavities are separated through partition plates; this formula fan filter unit is changed to FFU high efficiency is through the clearance mechanism that sets up in primary filter screen top: the motor drives the belt pulley to rotate, the belt pulley drives the belt to move, the belt drives the movable seat and the bristles to reciprocate, and foreign matters and the like accumulated on the surface of the primary filter screen can be cleaned to the ash discharge cavity and the ash receiving box on two sides along with the reciprocating motion of the bristles; this design is convenient for clean the accumulational foreign matter of primary filter screen surface etc. and the surface foreign matter is piled up the traffic and the traffic rate that influence the air current, has guaranteed the efficiency of admitting air of fan.

Description

Formula fan filter unit is changed to FFU high efficiency

Technical Field

The utility model relates to the technical field of air purification, in particular to an FFU (fan filter unit) high-efficiency replaceable fan filter unit.

Background

In the occasions of a clean room, a clean workbench, a clean production line, an assembled clean room, a laminar flow hood and the like, an FFU (fan filter unit) high-efficiency replaceable fan is required to filter inlet air; the FFU fan filter unit is provided with a primary filter screen and a high-efficiency filter screen, and the fan sucks air from the top of the fan filter unit and filters the air through the primary filter screen and the high-efficiency filter screen; at the present stage, when the fan drives the air current motion and passes through the filter screen, particulate matter and foreign matter etc. in the air current all are by the interception of primary filter screen, and under permanent use, a large amount of foreign matters etc. often can be piled up on the surface of primary filter screen, and this kind of foreign matter has influenced the throughput and the traffic rate when the air current passes through primary filter screen, has influenced the efficiency of admitting air and net gas, in view of this, we provide a high-efficient change formula fan filter unit of FFU.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an FFU (fan filter unit) high-efficiency replaceable fan filter unit to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a fan filter unit with an FFU (fan filter unit) replaced efficiently comprises a casing, wherein a filter mechanism is arranged below the casing and comprises a frame fixedly connected with the casing through bolts, a filter cavity is formed in the frame, ash discharge cavities are formed in two sides of the filter cavity, the filter cavity and the ash discharge cavities are separated through a partition plate, and a primary filter screen, a high-efficiency filter screen and a grating plate are fixedly connected in the filter cavity through the bolts from top to bottom in sequence; a cleaning mechanism is arranged above the primary filter screen in the frame.

As a preferable technical scheme of the present invention, the cleaning mechanism includes two symmetrical transmission shafts, two ends of the transmission shafts are rotatably connected with an inner wall of the frame through bearings, belt pulleys are coaxially keyed on the transmission shafts, a belt is arranged between the two belt pulleys, a motor is fixedly connected to an outer wall of the frame through a bolt, and an output shaft of the motor is coaxially fixed with one of the transmission shafts; two be equipped with the movable seat between the transmission shaft, the movable seat passes through rivet and belt fixed connection, the bottom surface of movable seat inlays and is equipped with the brush hair, the bottom of brush hair contacts with the top surface of primary filter screen.

According to the preferable technical scheme, the bottom surface of the frame is positioned at two sides of the ash discharging cavity and is fixedly connected with connecting plates through bolts, an ash receiving box is arranged below the ash discharging cavity, an ash receiving groove is formed in the top surface of the ash receiving box, locking bolts penetrate through two side walls of the ash receiving box, and the tail ends of the locking bolts are in threaded connection with the corresponding connecting plates.

As a preferable technical scheme of the utility model, guide rods are fixedly connected between the inner walls of the two sides of the frame and close to the two sides of the frame through bolts, and the guide rods penetrate through the movable seat and are in sliding connection with the movable seat.

As the preferable technical scheme of the utility model, the top surface of the primary filter screen and the top surface of the partition plate between the filter cavity and the ash discharge cavity are positioned on the same horizontal plane.

As a preferable technical scheme of the utility model, the top surface of the shell is provided with a suction inlet, and a suction inlet net is fixedly connected at the suction inlet through a bolt.

Compared with the prior art, the utility model has the beneficial effects that: this formula fan filter unit is changed to FFU high efficiency is through the clearance mechanism that sets up in the primary filter screen top: the motor drives the belt pulley to rotate, the belt pulley drives the belt to move, the belt drives the movable seat and the bristles to reciprocate, and foreign matters and the like accumulated on the surface of the primary filter screen can be cleaned to the ash discharge cavity and the ash receiving box on two sides along with the reciprocating motion of the bristles; this design is convenient for clean the accumulational foreign matter of primary filter screen surface etc. and the surface foreign matter is piled up the traffic and the traffic rate that influence the air current, has guaranteed the efficiency of admitting air of fan.

Drawings

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

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

FIG. 3 is a partial sectional view of the present invention;

FIG. 4 is a schematic diagram of a partial explosion of the filter mechanism of the present invention;

FIG. 5 is a structural sectional view of the frame of the present invention;

FIG. 6 is a schematic structural diagram of a cleaning mechanism according to the present invention.

In the figure:

1. a housing; 11. a suction inlet;

2. a filtering mechanism; 21. a frame; 211. a filter chamber; 212. an ash discharge cavity; 22. a connecting plate; 23. a primary filter screen; 24. a high-efficiency filter screen; 25. a grid plate; 26. an ash receiving box; 261. an ash receiving groove; 27. locking the bolt;

3. a cleaning mechanism; 31. a drive shaft; 32. a belt pulley; 33. a belt; 34. a motor; 35. a guide bar; 36. a movable seat; 361. and (3) brush hairs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

The embodiment provides a technical scheme:

referring to fig. 1-5, an FFU filter unit with a replaceable fan includes a housing 1, and a filter mechanism 2 is disposed below the housing 1. Filtering mechanism 2 includes frame 21 through bolt fixed connection with casing 1, has seted up filter chamber 211 on the frame 21, and ash discharge chamber 212 has all been seted up to filter chamber 211's both sides, separates through the baffle between filter chamber 211 and the ash discharge chamber 212, loops through bolt fixedly connected with primary filter screen 23, high efficiency filter screen 24 and grid plate 25 under to from last in filter chamber 211.

In this embodiment, frame 21's bottom surface is located the both sides department of dust discharging cavity 212 and all passes through bolt fixedly connected with connecting plate 22, the below department of dust discharging cavity 212 is equipped with connects ash box 26, the top surface that connects ash box 26 has been seted up and has been connect ash groove 261, connect all to wear to be equipped with locking bolt 27 on ash box 26's the both sides wall, locking bolt 27's terminal and corresponding connecting plate 22 threaded connection, connect ash box 26 and connect ash groove 261 through the setting, be convenient for connect the foreign matters such as the dust that cleans on the primary filter screen 23 greatly, and install and fix ash box 26 through locking bolt 27 butt joint, be convenient for butt joint ash box 26 and carry out the dismouting, be convenient for empty foreign matters such as dust.

In this embodiment, the top surface of the primary filter screen 23 and the top surface of the partition between the filter cavity 211 and the ash discharge cavity 212 are located on the same horizontal plane, and when the movable base 36 drives the bristles 361 to reciprocate, the bristles 361 can clean the foreign matters accumulated on the surface of the primary filter screen 23 into the ash discharge cavities 212 on both sides, which is convenient for cleaning and collecting the foreign matters.

In this embodiment, the top surface of the casing 1 is provided with a suction port 11, a suction port net is fixedly connected to the suction port 11 through bolts, the suction port 11 is arranged to facilitate air intake of the fan, and the suction port net is arranged to facilitate filtering of larger foreign matters in the intake air.

It should be added that the primary filter screen 23 in this embodiment is a glass fiber filter screen, the glass fiber filter screen is mainly made of glass fibers with different thicknesses and lengths by a special processing technology, and the glass fibers have the characteristics of stable performance, high temperature resistance, high efficiency, large capacity, long service life and the like, and have a good filtering effect on intake air; efficient filtering net 24 in this embodiment is the HEPA filter screen, and the HEPA filter screen is the clarifier that can high-efficiently filter the superfine particle of air, reaches 99.7% to 0.1 micron and 0.3 micron's effective rate, and the characteristics of HEPA net are that the air can pass through, but tiny particle can't pass through, and it has that the windage is big, holds the advantage such as the dirt volume is big and the filter fineness is high, has good filter effect to the inlet air.

Referring to fig. 6, a cleaning mechanism 3 is disposed in the frame 21 above the primary filter 23. The cleaning mechanism 3 comprises two symmetrical transmission shafts 31, two ends of each transmission shaft 31 are rotatably connected with the inner wall of the frame 21 through bearings, belt pulleys 32 are coaxially keyed on the transmission shafts 31, a belt 33 is arranged between the two belt pulleys 32, a motor 34 is fixedly connected on the outer wall of the frame 21 through bolts, and an output shaft of the motor 34 is coaxially fixed with one of the transmission shafts 31; a movable seat 36 is arranged between the two transmission shafts 31, the movable seat 36 is fixedly connected with the belt 33 through a rivet, bristles 361 are embedded in the bottom surface of the movable seat 36, and the bottom ends of the bristles 361 are in contact with the top surface of the primary filter screen 23.

In this embodiment, the guide rods 35 are fixedly connected to the inner walls of the two sides of the frame 21 near the two sides, the guide rods 35 penetrate through the movable seat 36 and are slidably connected with the movable seat 36, the guide rods 35 are arranged to guide and support the movable seat 36, and the belt 33 can drive the movable seat 36 to move more stably.

It should be noted that the motor 34 in the present embodiment is conventional and will not be described herein.

When the air purifier is used specifically, outside air enters the machine shell 1 through the suction inlet 11, airflow sequentially passes through the primary filter screen 23 and the efficient filter screen 24 and is blown to the room through the grating plate 25, dust, particulate matters and the like in the airflow are intercepted and filtered by the primary filter screen 23 and the efficient filter screen 24, and the circulation is repeated in this way, so that clean air can be continuously conveyed to the room;

when the primary filter screen 23 needs to be cleaned, a user firstly switches on a power supply of the motor 34, an output shaft of the motor 34 rotates to drive one of the transmission shafts 31 to rotate, the transmission shaft 31 drives the belt pulley 32 to rotate, the belt pulley 32 synchronously drives the movable seat 36 to move towards one side along the guide rod 35, at the moment, the movable seat 36 drives the bristles 361 to move towards one side, the bristles 361 clean foreign matters such as dust on the surface of the primary filter screen 23 and drive the foreign matters such as dust to enter the dust discharging cavity 212, the foreign matters such as dust fall into the dust receiving groove 261, when the movable seat 36 moves from one side to the other side, the output shaft of the motor 34 turns forward and drives the movable seat 36 to move in the reverse direction, and the cleaning of the surface of the primary filter screen 23 can be completed by the bristles 361 in a circulating reciprocating mode.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a formula fan filter unit is changed to FFU high efficiency, includes casing (1), its characterized in that: a filtering mechanism (2) is arranged below the casing (1), the filtering mechanism (2) comprises a frame (21) fixedly connected with the casing (1) through bolts, a filtering cavity (211) is formed in the frame (21), ash discharging cavities (212) are formed in two sides of the filtering cavity (211), the filtering cavity (211) and the ash discharging cavities (212) are separated through a partition plate, and a primary filter screen (23), a high-efficiency filter screen (24) and a grating plate (25) are fixedly connected in the filtering cavity (211) through bolts from top to bottom in sequence; a cleaning mechanism (3) is arranged above the primary filter screen (23) in the frame (21).

2. The FFU high efficiency replacement fan filter unit of claim 1 further comprising: the cleaning mechanism (3) comprises two symmetrical transmission shafts (31), two ends of each transmission shaft (31) are rotatably connected with the inner wall of the frame (21) through bearings, belt pulleys (32) are coaxially connected to the transmission shafts (31) in a key mode, a belt (33) is arranged between the two belt pulleys (32), a motor (34) is fixedly connected to the outer wall of the frame (21) through bolts, and an output shaft of the motor (34) is coaxially fixed with one of the transmission shafts (31); two be equipped with movable seat (36) between transmission shaft (31), movable seat (36) pass through rivet and belt (33) fixed connection, the bottom surface of movable seat (36) is inlayed and is equipped with brush hair (361), the bottom of brush hair (361) contacts with the top surface of primary filter screen (23).

3. The FFU high efficiency replacement fan filter unit of claim 1 further comprising: the both sides department that the bottom surface of frame (21) is located ash discharge chamber (212) all is through bolt fixedly connected with connecting plate (22), the below department of ash discharge chamber (212) is equipped with connects ash box (26), the top surface that connects ash box (26) has been seted up and has been connect ash groove (261), all wear to be equipped with locking bolt (27) on the both sides wall that connects ash box (26), the end and corresponding connecting plate (22) threaded connection of locking bolt (27).

4. The FFU high efficiency replacement fan filter unit of claim 1 further comprising: guide rods (35) are fixedly connected between the inner walls of the two sides of the frame (21) and close to the two sides of the frame through bolts, and the guide rods (35) penetrate through the movable seat (36) and are in sliding connection with the movable seat (36).

5. The FFU high efficiency replacement fan filter unit of claim 1 further comprising: the top surface of the primary filter screen (23) and the top surface of the partition plate between the filter cavity (211) and the ash discharge cavity (212) are positioned on the same horizontal plane.

6. The FFU high efficiency replacement fan filter unit of claim 1 further comprising: the top surface of the machine shell (1) is provided with a suction inlet (11), and a suction inlet net is fixedly connected to the suction inlet (11) through a bolt.