CN217402784U

CN217402784U - FFU fan filter unit

Info

Publication number: CN217402784U
Application number: CN202220108895.0U
Authority: CN
Inventors: 施秀军
Original assignee: Shanghai Huijing Air Filter Co ltd
Current assignee: Shanghai Huijing Air Filter Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-09-09
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a FFU fan filter unit, including first framework, first framework middle part is fixed with quantity and is two arcs, be fixed with the biax motor between the arc middle part, the pivot at biax motor both ends all is fixed with the gear, both ends slide respectively about the arc and are equipped with second framework and third framework, just the second framework with the third framework is located respectively the both ends of first framework, first spout and second spout have been seted up respectively at the upper and lower both ends of first framework both sides inner wall. This fan filter unit can utilize dust removal mechanism to clear away the dust on the essence otter board automatically to divide into two work areas with the essence otter board, thereby can utilize one of them work area to carry out filter work, can remove dust to another work area simultaneously, thereby can not influence fan filter's continuous operation.

Description

FFU fan filter unit

Technical Field

The utility model relates to a fan filter technical field particularly, relates to a FFU fan filter unit.

Background

The FFU is called "fanfillterunit" in its entirety, and chinese means a fan filter set or a fan filter unit, that is, a fan and a filter (high efficiency filter (HEPA) or ultra high efficiency filter (ULPA)) are combined to form a self-powered terminal purification device. In particular to a modular tail end air supply device with power and filtering function. The fan sucks air from the top of the FFU and filters the air by HEPA, and the filtered clean air is uniformly sent out at the air speed of 0.45m/s +/-10% on the whole air outlet surface.

The filter screen upper surface of bottom can accumulate a certain amount of dust when FFU fan filter unit work a period back, if not clear up, can influence the filtration efficiency of filter screen and increase windage, but traditional FFU fan filter unit is monolithic structure, and is comparatively difficult when clearing up the filter screen to need can clear up fan stop work, consequently can influence the continuity of fan work.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a FFU fan filter unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a FFU fan filter unit comprises a first frame body, wherein two arc plates are fixed in the middle of the first frame body, a double-shaft motor is fixed between the middle portions of the arc plates, gears are fixed on rotating shafts at two ends of the double-shaft motor, a second frame body and a third frame body are arranged at the upper end and the lower end of each arc plate in a sliding mode respectively, the second frame body and the third frame body are located at two ends of the first frame body respectively, a first sliding groove and a second sliding groove are formed in the upper end and the lower end of the inner wall of two sides of the first frame body respectively, first sliding columns matched with the first sliding grooves are fixed on the outer wall of two sides of the first frame body respectively, second sliding columns matched with the second sliding grooves are fixed on the outer wall of two sides of the second frame body respectively, a fan assembly is arranged in the second frame body, a dust removal mechanism is arranged in the third frame body, and a fine filter screen plate is fixed at the lower end of the first frame body, and first toothed plates are fixedly embedded in two sides of the lower end of the second frame body, second toothed plates are fixedly embedded in two sides of the upper end of the third frame body, and the first toothed plates and the second toothed plates are meshed with the gears.

Furthermore, both sides of the upper end of the first frame body are fixed with mounting plates, and mounting holes are formed in both ends of each mounting plate.

Furthermore, a coarse filter screen is fixed at the upper end of the first frame body through a bolt.

Further, the fan assembly comprises a fan and a connecting rod, and the fan is fixed in the second frame body through the connecting rods.

Further, dust removal mechanism includes lead screw, slide bar, translation board, dust absorption box and dust catcher, the fixed bearing that is equipped with that inlays of third framework one side inner wall, the fixed driving motor that is equipped with of third framework opposite side inner wall, driving motor's pivot with be fixed with the lead screw between the bearing, third framework internal fixation has the slide bar, just the slide bar with lead screw parallel arrangement, slide bar outer wall slip cap is equipped with the translation board, just the translation board with lead screw thread transmission connects, be fixed with the dust catcher on the translation board, translation board lower extreme is fixed with the dust absorption box through the connecting rod, a plurality of dust absorption holes have been seted up to dust absorption box lower extreme, dust absorption box upper end through the pipe with the dust absorption port of dust catcher is connected.

Furthermore, a sealing strip matched with the third frame body is fixed in the middle of the fine filtering net plate.

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

1. the utility model can automatically remove the dust on the fine filter screen plate by using the dust removing mechanism and divide the fine filter screen plate into two working areas by arranging the first frame body, the arc-shaped plate, the double-shaft motor, the gear, the second frame body, the third frame body, the fan component, the dust removing component, the fine filter screen plate, the first toothed plate and the second toothed plate, thereby filtering by using one working area and removing dust from the other working area, and the continuous work of the fan filter can not be influenced;

2. the utility model discloses a set up lead screw, slide bar, translation board, driving motor, dust absorption box and dust catcher, can drive translation board and dust absorption box through driving motor and carry out the translation in essence otter board top to can utilize the dust catcher to inhale the dust catcher with the dust on the essence otter board, in order to reach the purpose of cleaing away essence otter board top dust.

Drawings

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

Fig. 1 is a schematic structural view of an FFU fan filter assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the inside of an FFU fan filter unit according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a middle portion of an FFU fan filter assembly according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of one side of an FFU fan filter assembly in accordance with an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a third frame body in an FFU fan filter unit according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an arc plate in an FFU fan filter unit according to an embodiment of the present invention.

Reference numerals:

1. a first frame body; 2. an arc-shaped plate; 3. a dual-axis motor; 4. a gear; 5. a second frame body; 6. a third frame body; 7. a first chute; 8. a second chute; 9. a first traveler; 10. a second strut; 11. fine filter screen plate; 12. a first toothed plate; 13. a second toothed plate; 14. mounting a plate; 15. coarse filtration; 16. a fan; 17. a screw rod; 18. a slide bar; 19. a translation plate; 20. a dust collection box; 21. a vacuum cleaner; 22. a drive motor; 23. a bearing; 24. a sealing strip.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

example (b):

referring to fig. 1-6, a FFU fan filter assembly according to an embodiment of the present invention includes a first frame 1, two arc plates 2 are fixed in the middle of the first frame 1, a double-shaft motor 3 is fixed between the middle portions of the arc plates 2, gears 4 are fixed on the rotating shafts at both ends of the double-shaft motor 3, a second frame 5 and a third frame 6 are respectively slidably disposed at the upper and lower ends of the arc plates 2, the second frame 5 and the third frame 6 are respectively disposed at both ends of the first frame 1, a first sliding slot 7 and a second sliding slot 8 are respectively disposed at the upper and lower ends of the inner wall at both sides of the first frame 1, a first sliding column 9 matched with the first sliding slot 7 is fixed on the outer wall at both sides of the first frame 1, a second sliding column 10 matched with the second sliding slot 8 is fixed on the outer wall at both sides of the second frame 5, be equipped with the fan subassembly in the second framework 5, be equipped with dust removal mechanism in the

third framework

6, 1 lower extreme of first framework is fixed with fine filtration otter board 11, the both sides of 5 lower extremes of second framework are all fixed to inlay and are equipped with first pinion rack 12, the both sides of 6 upper ends of third framework are all fixed to inlay and are equipped with second pinion rack 13, just first pinion rack 12 second pinion rack 13 all with gear 4 meshes mutually, can utilize dust removal mechanism to clear away the dust on the fine filtration otter board 11 automatically to divide into two work areas with fine filtration otter board 11, thereby can utilize one of them work area to carry out filtering operation, can remove dust to another work area simultaneously, thereby can not influence the continuous operation of fan filter.

In a further embodiment, the mounting plates 14 are fixed to two sides of the upper end of the first frame 1, and mounting holes are opened at two ends of the mounting plates 14, wherein the mounting plates 14 and the mounting holes can be used for mounting and fixing the first frame 1.

In a further embodiment, a coarse filter screen 15 is fixed to the upper end of the first frame 1 through bolts, and the coarse filter screen 15 can perform preliminary filtering on air entering the first frame 1.

In a further embodiment, the fan assembly includes a fan 16 and a connecting rod, the fan 16 is fixed in the second frame 5 through a plurality of connecting rods, and the fan 16 is operable to draw external air into the first frame 1 and filter the air through the fine filter screen 11.

In a further embodiment, the dust removing mechanism comprises a screw rod 17, a sliding rod 18, a translation plate 19, a dust collecting box 20 and a dust collector 21, a bearing 23 is fixedly embedded in the inner wall of one side of the third frame body 6, a driving motor 22 is fixedly embedded in the inner wall of the other side of the third frame body 6, the screw rod 17 is fixed between a rotating shaft of the driving motor 22 and the bearing 23, the sliding rod 18 is fixed in the third frame body 6, the sliding rod 18 and the screw rod 17 are arranged in parallel, the translation plate 19 is slidably sleeved on the outer wall of the sliding rod 18, the translation plate 19 is in threaded transmission connection with the screw rod 17, the dust collector 21 is fixed on the translation plate 19, the dust collecting box 20 is fixed at the lower end of the translation plate 19 through a connecting rod, a plurality of dust collecting holes are formed in the lower end of the dust collecting box 20, the upper end of the dust collecting box 20 is connected with a dust collecting port of the dust collector 21 through a guide pipe, the translation plate 19 and the dust collection box 20 can be driven by the driving motor 22 to translate above the fine filter screen plate 11, so that dust on the fine filter screen plate 11 can be sucked into the dust collector 21 by the dust collector 21, and the purpose of removing the dust above the fine filter screen plate 11 is achieved.

In a further embodiment, a sealing strip 24 matched with the third frame 6 is fixed in the middle of the fine filter screen plate 11, wherein the sealing strip 24 can effectively increase the sealing performance between the fine filter screen plate 11 and the end of the third frame 6.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the second frame body 5 and the third frame body 6 are respectively located at two ends of the first frame body 1, the fan 16 can suck external air into the first frame body 1 to filter the air and discharge the air through the fine filter screen plate 11 below the fan 16, when dust removal needs to be performed on the fine filter screen plate 11 below the fan 16, the double-shaft motor 3 is controlled to work to drive the gears 4 at two ends to synchronously rotate, so that the second frame body 5 can be driven to move towards the other end along the first chute 7 through the first toothed plate 12, meanwhile, the second frame body 5 can be driven to move towards the other end along the second chute 8 through the second toothed plate 13, so that the second frame body 5 and the third frame body 6 can be switched in position, air filtration can be performed by using the fine filter screen plate 11 in the other half region, and the driving motor 22 and the dust collector 21 can be controlled to work, the lead screw 17 can be driven to rotate by controlling the driving motor 22, thereby drive translation board 19 carries out the translation along slide bar 18 for dust catcher 21 can be with in the dust suction cleaner 21 of the dust on the smart filter screen board 11, thereby can utilize dust removal mechanism to clear away the dust on the smart filter screen board 11 automatically, and divide into two work areas with smart filter screen board 11, thereby can utilize one of them work area to carry out filtering work, can remove dust to another work area simultaneously, thereby can not influence the continuous operation of fan filter.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 a FFU fan filter unit, its characterized in that, includes first framework (1), first framework (1) middle part is fixed with arc (2) that quantity is two, be fixed with biax motor (3) between arc (2) middle part, the pivot at biax motor (3) both ends all is fixed with gear (4), both ends slide respectively about arc (2) and are equipped with second framework (5) and third framework (6), just second framework (5) with third framework (6) are located respectively the both ends of first framework (1), first spout (7) and second spout (8) have been seted up respectively to the upper and lower both ends of first framework (1) both sides inner wall, first framework (1) both sides outer wall all be fixed with first traveller (9) of first spout (7) assorted, second framework (5) both sides outer wall all be fixed with second traveller (10) assorted with second spout (8) ) The dust removing device comprises a first frame body (5), a fan assembly is arranged in the second frame body (5), a dust removing mechanism is arranged in the third frame body (6), a fine filter screen plate (11) is fixed to the lower end of the first frame body (1), first toothed plates (12) are fixedly embedded in the two sides of the lower end of the second frame body (5), second toothed plates (13) are fixedly embedded in the two sides of the upper end of the third frame body (6), and the first toothed plates (12) and the second toothed plates (13) are meshed with gears (4).

2. The FFU fan filter unit of claim 1, wherein mounting plates (14) are fixed on two sides of the upper end of the first frame body (1), and mounting holes are formed in two ends of each mounting plate (14).

3. The FFU fan filter unit of claim 1 wherein a coarse screen (15) is bolted to the upper end of the first frame (1).

4. An FFU fan filter assembly according to claim 1, wherein the fan assembly comprises a fan (16) and tie rods, the fan (16) being secured in the second frame (5) by means of a number of tie rods.

5. The FFU fan filter unit according to claim 1, wherein the dust removing mechanism comprises a screw rod (17), a sliding rod (18), a translation plate (19), a dust collecting box (20) and a dust collector (21), a bearing (23) is fixedly embedded in the inner wall of one side of the third frame body (6), a driving motor (22) is fixedly embedded in the inner wall of the other side of the third frame body (6), the screw rod (17) is fixed between the rotating shaft of the driving motor (22) and the bearing (23), the sliding rod (18) is fixed in the third frame body (6), the sliding rod (18) and the screw rod (17) are arranged in parallel, the translation plate (19) is slidably sleeved on the outer wall of the sliding rod (18), the translation plate (19) is in threaded transmission connection with the screw rod (17), the dust collector (21) is fixed on the translation plate (19), the dust collecting box (20) is fixed at the lower end of the translation plate (19) through a connecting rod, the lower end of the dust collection box (20) is provided with a plurality of dust collection holes, and the upper end of the dust collection box (20) is connected with a dust collection port of the dust collector (21) through a guide pipe.

6. The FFU fan filter unit of claim 1, wherein a sealing strip (24) matched with the third frame body (6) is fixed in the middle of the fine filter screen plate (11).