CN216077672U

CN216077672U - Civil air defense mixed flow fan with air purification function

Info

Publication number: CN216077672U
Application number: CN202122663862.0U
Authority: CN
Inventors: 郭祥鸣
Original assignee: Sichuan Zhengke Ventilation And Air Conditioning Equipment Installation Engineering Co ltd
Current assignee: Sichuan Zhengke Ventilation And Air Conditioning Equipment Installation Engineering Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-18
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to the technical field of ventilation equipment, and particularly discloses a civil air defense mixed flow fan with an air purification function, which comprises a fan shell; a driving motor is arranged in the fan shell, and the output end of the driving motor is connected with an impeller through a rotating shaft; the drive motor is fixed on the mounting bracket, the air outlet and the air inlet are respectively formed in the left side and the right side of the fan shell, the cavity between the mounting bracket and the air inlet is a purification cavity, an air purification mechanism is arranged in the purification cavity, and a dirt collection box is arranged at the bottom of the purification cavity. This scheme installs air purification mechanism in the inboard of the air intake of fan, can carry out double-deck filtration through first filter and second filter to the air that gets into in the fan casing, keeps the air clean, reduces the pollution to the fan casing internal components, and this air purification mechanism can also be through last brush board and lower brush board clean the surface of two filters, extension air purification mechanism's life.

Description

Civil air defense mixed flow fan with air purification function

Technical Field

The utility model relates to the technical field of ventilation equipment, in particular to a civil air defense mixed flow fan with an air purification function.

Background

The mixed flow fan is a fan between an axial flow fan and a centrifugal fan, the impeller of the mixed flow fan enables air to do centrifugal motion and axial motion, the motion of the air in the shell is mixed with two motion forms of axial flow and centrifugation, so the mixed flow fan is called mixed flow, the mixed flow (oblique flow) fan has higher wind pressure coefficient than the axial flow fan and larger flow coefficient than the centrifugal fan, is used in the occasions where the wind pressure and the flow are not small, fills the blank between the axial flow fan and the centrifugal fan, and has the characteristic of simple and convenient installation.

Most of the existing mixed flow fans are simple in structure and single in function, do not have an air purification function, and cause dust to be easily accumulated in the long-term use process of related components such as motors in the mixed flow fans, so that the service life of the mixed flow fans is influenced, and therefore the mixed flow fans need to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a civil air defense mixed flow fan with an air purification function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the civil air defense mixed flow fan with the air purification function comprises a fan shell; a driving motor is arranged in the fan shell, and the output end of the driving motor is connected with an impeller through a rotating shaft; the driving motor is fixed on the mounting frame, the left side and the right side of the fan shell are respectively provided with an air outlet and an air inlet, a cavity between the mounting frame and the air inlet is set as a purification cavity, and an air purification mechanism is arranged inside the purification cavity; the air purification mechanism comprises a first filter plate, a second filter plate and a filter plate brush, the mesh aperture size of the first filter plate is larger than that of the second filter plate, the first filter plate, the second filter plate and the filter plate brush are arranged on the inner side of the air inlet in parallel, and the filter plate brush is arranged between the first filter plate and the second filter plate; the filter plate brush comprises an upper brush plate and a lower brush plate, the bottom end of the upper brush plate and the top end of the lower brush plate are fixed on a connecting rotating shaft, and the connecting rotating shaft is rotatably connected with the first filter plate and the second filter plate; and a dirt collecting box is arranged at the bottom of the purification cavity.

Preferably, an induced draft cover with an isosceles trapezoid-shaped cross section is arranged on the inner side of the air inlet, and one end with a smaller area of the induced draft cover is fixed on the air inlet.

Preferably, connect the pivot about both ends pass first filter, second filter respectively and be connected with the stopper, first filter, second filter and connect the equal coaxial setting of pivot.

Preferably, the cross-section of fan casing is circular structure, and the cross-section of first filter, second filter also is circular structure, and two filters all downward sloping set up, and the length of going up brush board and lower brush board all is less than the radius of first filter, second filter.

Preferably, the outer side walls of the upper brush plate and the lower brush plate, which are close to the first filter plate and the second filter plate, are provided with cleaning brush wires.

Preferably, the dirty box of collection includes dirty chamber of first collection, the dirty chamber of second collection, and the dirty chamber of first collection and the dirty chamber of second collection set up respectively in the outside of first filter, second filter, and the dirty chamber of first collection and second collection are provided with fixed stop between the dirty chamber, and fixed stop is connected with the bottom of first filter.

Preferably, the bottom of the first sewage collecting cavity and the bottom of the second sewage collecting cavity are both provided with a sewage draining outlet, and the bottom of the sewage draining outlet is provided with a sealing plate.

Preferably, one side of the sealing plate is movably mounted on one side of the dirt collecting box through a hinge, a plurality of horizontal threaded holes are formed in the other side of the sealing plate, a fixing clamping plate is arranged on the dirt collecting box corresponding to the horizontal threaded holes, and the fixing clamping plate and the sealing plate are connected through the locking screw and the horizontal threaded holes in a matched mode.

Compared with the prior art, the utility model has the beneficial effects that:

according to the civil air defense mixed flow fan with the air purification function, the air purification mechanism driving the automatic cleaning structure is arranged on the inner side of the air inlet of the fan, so that the air entering the fan shell can be subjected to double-layer filtration through the first filter plate and the second filter plate, the air is kept clean, the pollution to components in the fan shell is reduced, the surfaces of the two filter plates can be cleaned through the upper brush plate and the lower brush plate in the actual use process of the air purification mechanism, and the service life of the air purification mechanism is prolonged.

Drawings

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

FIG. 2 is a schematic view of the structure of the dirt collecting box of the present invention;

FIG. 3 is a cross-sectional view of the air purification mechanism of the present invention;

fig. 4 is a schematic structural diagram of the air purification mechanism of the present invention.

In the figure: 1. a fan housing; 2. a drive motor; 3. an impeller; 4. a mounting frame; 5. an air outlet; 6. an air inlet; 7. a purification chamber; 8. a first filter plate; 9. a second filter plate; 10. an upper brush plate; 11. a lower brush plate; 12. connecting the rotating shaft; 13. a dirt collecting box; 14. cleaning the brush filaments; 15. a first dirt collecting cavity; 16. a second dirt collecting cavity; 17. fixing the partition board; 18. a sewage draining outlet; 19. a sealing plate; 20. a horizontal threaded hole; 21. fixing the clamping plate; 22. locking the screw rod; 23. an induced draft cover.

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 should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: the civil air defense mixed flow fan with the air purification function comprises a fan shell 1; a driving motor 2 is arranged in the fan shell 1, and the output end of the driving motor 2 is connected with an impeller 3 through a rotating shaft; the driving motor 2 is fixed on the mounting frame 4, the left side and the right side of the fan shell 1 are respectively provided with an air outlet 5 and an air inlet 6, a cavity between the mounting frame 4 and the air inlet 6 is set as a purification cavity 7, and an air purification mechanism is arranged inside the purification cavity 7; the air purification mechanism comprises a first filter plate 8, a second filter plate 9 and a filter plate brush, the mesh aperture size of the first filter plate 8 is larger than that of the second filter plate 9, the first filter plate 8, the second filter plate 9 and the filter plate brush are arranged on the inner side of the air inlet 6 in parallel, and the filter plate brush is arranged between the first filter plate 8 and the second filter plate 9; the filter plate brush comprises an upper brush plate 10 and a lower brush plate 11, the bottom end of the upper brush plate 10 and the top end of the lower brush plate 11 are both fixed on a connecting rotating shaft 12, and the connecting rotating shaft 12 is rotatably connected with the first filter plate 8 and the second filter plate 9; the bottom of the purifying cavity 7 is provided with a dirt collecting box 13.

Further, an induced draft cover 23 with an isosceles trapezoid-shaped cross section is arranged on the inner side of the air inlet 6, and one end of the induced draft cover 23 with a smaller area is fixed on the air inlet 6.

Further, connect pivot 12 about both ends pass first filter 8, second filter 9 respectively and be connected with the stopper, first filter 8, second filter 9 and connect the equal coaxial setting of pivot 12.

Further, the cross-section of fan casing 1 is circular structure, and the cross-section of first filter 8, second filter 9 also is circular structure, and two equal downward sloping settings of filter go up brush board 10 and brush board 11's length all is less than the radius of first filter 8, second filter 9 down.

Further, the outer side walls of the upper brush plate 10 and the lower brush plate 11 close to the first filter plate 8 and the second filter plate 9 are provided with cleaning brush filaments 14.

Further, the dirty box 13 of collection includes that first collection is dirty chamber 15, the dirty chamber 16 of second collection, and first collection is dirty chamber 15 and the dirty chamber 16 of second collection sets up respectively in the outside of first filter 8, second filter 9, and first collection is dirty to be provided with fixed stop 17 between chamber 15 and the dirty chamber 16 of second collection, and fixed stop 17 is connected with first filter 8's bottom.

Further, the bottom ends of the first sewage collecting cavity 15 and the second sewage collecting cavity 16 are both provided with a sewage draining exit 18, and the bottom of the sewage draining exit 18 is provided with a sealing plate 19.

Furthermore, one side of the sealing plate 19 is movably mounted on one side of the dirt collecting box 13 through a hinge, a plurality of horizontal threaded holes 20 are formed in the other side of the sealing plate 19, a fixing clamping plate 21 is arranged on the dirt collecting box 13 corresponding to the horizontal threaded holes 20, and the fixing clamping plate 21 is connected with the sealing plate 19 through a locking screw 22 and the horizontal threaded holes 20 in a matched mode.

The working principle is as follows: when the mixed-flow fan is actually used, air enters the fan shell 1 from the air inlet 6, the impeller 3 is driven to rotate by the driving motor 2, the mixed flow effect is achieved, and the mixed-flow air is discharged from the air outlet 5.

Because the air purification mechanism is arranged on the inner side of the air inlet 6, after air enters from the air inlet 6, the air is filtered by the first filter plate 8 and the second filter plate 9 in sequence, partial impurities filtered by the first filter plate 8 enter the first sewage collecting cavity 15 in the sewage collecting box 13 under the action of gravity, and partial impurities are adhered to the surface of the first filter plate 9; part of the impurities filtered through the second filter plate 9 enter the second dirt collecting chamber 16 in the dirt collecting box 13 under the action of gravity, and part of the impurities adhere to the surface of the second filter plate 9.

When wind gets into air purification mechanism, under the effect that the wind flows, brush board 10 and lower brush board 11 rotate on the drive, at last brush board 10 with brush board 11 pivoted in-process down, clean brush silk 14 and first filter 8, the surperficial friction of second filter 9, and then brush down the impurity on first filter 8, the second filter 9, the impurity of clearance get into under the effect of gravity in the dirty chamber 16 of second collection can.

When dirty box 13 of collection is cleared up to needs, operating personnel only need rotate corresponding locking screw 22 with the hand for locking screw 22 breaks away from corresponding horizontal screw hole 20, makes closing plate 19 break away from drain 18, and then discharges the impurity in the dirty box 13 of collection, and it can to reset closing plate 19 again.

It is worth noting that: the whole device realizes control to the device through the controller, and the controller is common equipment and belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure of the controller are not repeated herein.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. People's air defense mixed flow fan with air purification function, its characterized in that: comprises a fan shell (1); a driving motor (2) is installed inside the fan shell (1), and the output end of the driving motor (2) is connected with an impeller (3) through a rotating shaft; the driving motor (2) is fixed on the mounting frame (4), the left side and the right side of the fan shell (1) are respectively provided with an air outlet (5) and an air inlet (6), a cavity between the mounting frame (4) and the air inlet (6) is set to be a purification cavity (7), and an air purification mechanism is arranged inside the purification cavity (7); the air purification mechanism comprises a first filter plate (8), a second filter plate (9) and a filter plate brush, the aperture size of the meshes of the first filter plate (8) is larger than that of the meshes of the second filter plate (9), the first filter plate (8), the second filter plate (9) and the filter plate brush are arranged on the inner side of the air inlet (6) in parallel, and the filter plate brush is arranged between the first filter plate (8) and the second filter plate (9); the filter plate brush comprises an upper brush plate (10) and a lower brush plate (11), the bottom end of the upper brush plate (10) and the top end of the lower brush plate (11) are fixed on a connecting rotating shaft (12), and the connecting rotating shaft (12) is rotatably connected with a first filter plate (8) and a second filter plate (9); and a dirt collecting box (13) is arranged at the bottom of the purification cavity (7).

2. The civil air defense mixed flow fan with the air purification function of claim 1, characterized in that: an induced draft cover (23) with an isosceles trapezoid-shaped cross section is arranged on the inner side of the air inlet (6), and one end, with a smaller area, of the induced draft cover (23) is fixed on the air inlet (6).

3. The civil air defense mixed flow fan with the air purification function of claim 1, characterized in that: connect pivot (12) about both ends pass first filter (8), second filter (9) respectively and be connected with the stopper, first filter (8), second filter (9) and connect the equal coaxial setting of pivot (12).

4. The civil air defense mixed flow fan with the air purification function of claim 1, characterized in that: the cross-section of fan casing (1) is circular structure, and the cross-section of first filter (8), second filter (9) also is circular structure, and the equal downward sloping setting of two filters goes up the length of brush board (10) and lower brush board (11) and all is less than the radius of first filter (8), second filter (9).

5. The civil air defense mixed flow fan with the air purification function of claim 1, characterized in that: and cleaning brush wires (14) are arranged on the outer side walls of the upper brush plate (10) and the lower brush plate (11) close to the first filter plate (8) and the second filter plate (9).

6. The civil air defense mixed flow fan with the air purification function of claim 1, characterized in that: dirty box of collection (13) is including dirty chamber (15) of first collection, the dirty chamber (16) of second collection, and dirty chamber (15) of first collection and the dirty chamber (16) of second collection set up respectively in the outside of first filter (8), second filter (9), and dirty chamber (15) of first collection and second collection are provided with between the dirty chamber (16) of second collection fixed stop (17), and fixed stop (17) are connected with the bottom of first filter (8).

7. The civil air defense mixed flow fan with the air purification function of claim 6, characterized in that: and the bottom ends of the first sewage collecting cavity (15) and the second sewage collecting cavity (16) are respectively provided with a sewage draining exit (18), and the bottom of the sewage draining exit (18) is provided with a sealing plate (19).

8. The civil air defense mixed flow fan with the air purification function of claim 7, which is characterized in that: one side of the sealing plate (19) is movably mounted on one side of the dirt collecting box (13) through a hinge, a plurality of horizontal threaded holes (20) are formed in the other side of the sealing plate (19), the dirt collecting box (13) is provided with a fixing clamping plate (21) in the position corresponding to the horizontal threaded holes (20), and the fixing clamping plate (21) is connected with the sealing plate (19) through the matching of a locking screw rod (22) and the horizontal threaded holes (20).