CN112774345B - Double-filter-screen type air filtering device - Google Patents
Double-filter-screen type air filtering device Download PDFInfo
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- CN112774345B CN112774345B CN202011524877.2A CN202011524877A CN112774345B CN 112774345 B CN112774345 B CN 112774345B CN 202011524877 A CN202011524877 A CN 202011524877A CN 112774345 B CN112774345 B CN 112774345B
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- storage tank
- filter
- water storage
- air
- cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/78—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving centrifugal forces
Abstract
The invention discloses a double-filter-screen type air filtering device which comprises a shell, two filtering components, a cleaning mechanism and a turnover mechanism, wherein an air inlet and an air outlet are formed in the shell, an airflow channel is formed in the shell, the air inlet and the air outlet are communicated through the airflow channel, the two filtering components are symmetrically arranged in the shell and comprise filtering screens and supporting frames, the filtering screens are arranged on the supporting frames, in the air inlet working state, the filtering screen of one filtering component is abutted against the air inlet to filter air entering the airflow channel, the other filtering component is idle in the airflow channel, the cleaning mechanism is used for cleaning the filtering components idle in the airflow channel, and the turnover mechanism is used for simultaneously turning over the two filtering components so as to exchange the positions of the two filtering components. The invention has the advantages of ingenious structural design, full-automatic replacement and cleaning of the filter screen, no need of disassembling the filter screen, and high replacement and cleaning efficiency of the filter screen.
Description
Technical Field
The invention relates to the technical field of air treatment equipment, in particular to a double-filter-screen type air filtering device.
Background
In the field of air pollution prevention and control in limited spaces such as a fresh air system, after a filtering device in the air inlet is used for a period of time, attachments such as dust and floccules are adhered to the surface of a filter screen of the air inlet to block the filter screen. Therefore, after the air filter device is used for a period of time, the filter screen in the air filter device needs to be cleaned.
However, the existing air filtering device needs to be cleaned after the filter screen is detached firstly, the cleaning mode is inconvenient, the cleaning operation wastes time and labor, the cleaning efficiency is low, and the filter screen or other parts are damaged easily in the process of detaching the filter screen, so that the filtering failure is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-filter-screen type air filtering device to realize automatic replacement and automatic cleaning of a filter screen under the condition of not disassembling the filter screen.
In order to achieve the above object, the present invention provides a dual screen type air filter device, comprising:
the air conditioner comprises a shell, wherein an air inlet and an air outlet are formed in the shell, an airflow channel is formed in the shell, and the air inlet and the air outlet are communicated through the airflow channel;
the two filter assemblies are symmetrically arranged in the shell and comprise filter screens and support frames, the filter screens are mounted on the support frames, one side surface, far away from the support frames, of each filter screen is an outwards-convex spherical curved surface, the two spherical curved surfaces of each filter screen are on the same spherical surface, the size of each spherical curved surface of each filter screen is larger than that of each air inlet, one filter screen of each filter assembly is abutted against the corresponding air inlet to filter air entering the airflow channel, and the other filter assembly is arranged in the airflow channel in a spare mode in the air inlet working state;
the cleaning mechanism is arranged in the shell and used for cleaning the filtering component which is idle in the airflow channel so as to remove attachments adhered to a filter screen of the filtering component; and
and the turnover mechanism is arranged in the airflow channel and is used for simultaneously overturning the two filtering assemblies so as to exchange the positions of the two filtering assemblies.
Preferably, the turnover mechanism includes:
the overturning driving motor is fixedly arranged on the inner wall of the shell through a supporting seat;
one end of the first rotating shaft is fixedly connected with an output shaft of the turnover driving motor;
the overturning bracket is arranged in the shell and is fixedly connected with the other end of the first rotating shaft; and
the second pivot, the second pivot is provided with two, two the second pivot symmetry set up and rotate respectively connect in on the upset support, two the one end of second pivot respectively with correspond the braced frame of filtering component keeps away from one side fixed connection of filter screen.
Preferably, the cleaning mechanism comprises:
the water storage tank is arranged in the shell, the top of the water storage tank is provided with an opening for the filter component to extend into, and the water storage tank is provided with a water inlet valve and a water discharge valve; and
two groups of cleaning driving units are symmetrically arranged, each cleaning driving unit comprises a driving wheel, a third rotating shaft, a cleaning driving motor and a driven wheel, wherein,
the cleaning driving motor is fixedly installed on the overturning support, the driven wheel is fixedly connected to the other end of the corresponding second rotating shaft, the driving wheel is fixedly connected with an output shaft of the cleaning driving motor through a third rotating shaft, the third rotating shaft is rotatably connected with the overturning support, and the driving wheel is in transmission connection with the driven wheel.
Preferably, the driving and driven wheels are both bevel gears.
Preferably, wiper mechanism still including be used for the drive the telescopic link that the aqua storage tank goes up and down, the lower part in the casing has the chamber of holding, hold the chamber with airflow channel intercommunication, the aqua storage tank with the telescopic link all set up in hold the intracavity, the upper end of telescopic link with the bottom fixed connection of aqua storage tank, the lower extreme of telescopic link with the diapire fixed connection who holds the chamber.
Preferably, the cleaning mechanism further comprises a splash-proof device arranged at the upper end of the water storage tank, the splash-proof device is used for preventing liquid in the water storage tank from splashing to the outside of the water storage tank in the cleaning process of the filtering assembly, and the splash-proof device comprises 4 water retaining structures which are arranged in a rectangular shape;
when the water storage tank rises, the upper ends of the 4 water retaining structures are close to each other above the opening of the water storage tank so as to shield the upper part of the area between the side wall of the water storage tank and the filtering component;
when the water storage tank descends, the upper ends of the 4 water retaining structures are far away from each other above the opening of the water storage tank so as to avoid shielding right above the area between the side wall of the water storage tank and the filtering component.
Preferably, the water retaining structure comprises a water retaining plate, a connecting rod, a roller, a spring and a hinge seat;
the water baffle is in an isosceles trapezoid shape with a small upper part and a large lower part, the hinge seat is fixedly installed on the outer side wall of the water storage tank, the upper end of the connecting rod is fixedly connected with the lower end of the water baffle, the middle part of the connecting rod is hinged with the hinge seat, the roller is rotatably connected with the lower end of the connecting rod, one end of the spring is fixedly connected with the lower end of the connecting rod, and the other end of the spring is fixedly connected with the outer side wall of the water storage tank;
the accommodating cavity comprises an upper cavity body used for accommodating the water storage tank, the upper cavity body is in a quadrangular frustum pyramid shape with a large upper part and a small lower part, and four rolling wheels of the water retaining structure are respectively abutted against four side walls of the upper cavity body of the accommodating cavity.
Preferably, a deflector is fixedly arranged on the inner side of the water baffle along the length direction of the water baffle.
Preferably, the deflector is located above a region between the side wall of the reservoir and the filter assembly, adjacent to one side of the side wall of the reservoir.
Preferably, the support frame includes mounting bracket, circular bottom plate and a plurality of spliced pole, the filter screen install in the top surface of mounting bracket, the both ends of a plurality of spliced poles respectively with the mounting bracket with circular bottom plate fixed connection.
The invention has the beneficial effects that:
the invention provides a double-filter-screen type air filtering device, which is characterized in that two filtering components are symmetrically arranged in an air flow channel, the spherical curved surfaces of the filtering screens of the two filtering components are on the same spherical surface, in a normal state, the filtering screen of one filtering component is abutted against an air inlet to filter air entering the air flow channel from the air inlet, the other filtering component is in an idle state, after the double-filter-screen type air filtering device is used for a period of time, the positions of the filtering component at the air inlet and the filtering component idle in the air flow channel can be switched by controlling the work of a turnover mechanism, so that the idle filtering component in the air flow channel is rotated to the air inlet to tightly abut against the air inlet to filter air blown into the air inlet, the automatic replacement of the filtering screen in the filtering device is realized, the dirty filtering component at the air inlet is rotated to the air flow channel to be idle, and the dirty filtering component is cleaned by controlling the work of a cleaning mechanism, thereby realizing the automatic cleaning of the filtering screen in the filtering device. The filter screen replacing and cleaning device is ingenious in structural design and simple in operation, can be used for replacing and cleaning the filter screen fully automatically without disassembling the filter screen, is high in filter screen replacing and cleaning efficiency, and can effectively avoid the problem of filter failure caused by damage to the filter screen due to the disassembly of the filter screen.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a dual-screen air filtering device according to an embodiment of the present invention (in a screen cleaning state);
FIG. 2 is a schematic structural diagram of a dual-screen air filtering device according to an embodiment of the present invention (in a non-screen cleaning state);
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is a schematic top view of the cleaning mechanism of FIG. 1;
fig. 5 is a schematic perspective view of a filter assembly according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 5, an embodiment of the present invention provides a dual-screen type air filtering apparatus, which includes a housing 1, a filtering assembly 2, a cleaning mechanism 3, and a turnover mechanism 4; the air conditioner comprises a shell 1, an air inlet 11, an air outlet 12, an air flow channel 13, an air inlet 11 and an air outlet 12, wherein the shell 1 is internally provided with the air flow channel 13; the two filter assemblies 2 are arranged in the shell 1 symmetrically, each filter assembly 2 comprises a filter screen 21 and a support frame 22, the filter screens 21 are installed on the support frames 22, one side surfaces, far away from the support frames 22, of the filter screens 21 are spherical curved surfaces protruding outwards, the spherical curved surfaces of the two filter screens 21 are on the same spherical surface, the size of the spherical curved surface of each filter screen 21 is larger than that of the air inlet 11, in the air inlet working state, the filter screen 21 of one filter assembly 2 is abutted to the air inlet 11 to filter air entering the airflow channel 13, and the other filter assembly 2 is idle in the airflow channel 13; the cleaning mechanism 3 is used for cleaning the filter assembly 2 which is not in use in the airflow channel 13 so as to remove attachments adhered on the filter screen 21 of the filter assembly 2; the turnover mechanism 4 is used for simultaneously turning over the two filter assemblies 2 so as to exchange the positions of the two filter assemblies 2. As shown by the arrows in fig. 1, when the filter device is in operation, external air is blown in from the air inlet 11 through the filter screen 21 of the filter assembly 2, flows into the air flow channel 13 through the apertures on the peripheral side of the support frame 22, and then flows into the subsequent air treatment device through the air outlet 12.
In this embodiment, two filter assemblies 2 are symmetrically arranged in the airflow channel 13, and spherical curved surfaces of filter screens 21 of the two filter assemblies 2 are on the same spherical surface, in a normal state, the filter screen 21 of one of the filter assemblies 2 abuts against the air inlet 11 to filter air entering the airflow channel 13 from the air inlet 11, and the other filter assembly 2 is in an idle state, after the filter assemblies are used for a period of time, positions of the filter assembly 2 at the air inlet 11 and the filter assembly 2 idle in the airflow channel 13 can be switched by controlling the operation of the turnover mechanism 4, so that the filter assembly 2 idle in the airflow channel 13 rotates to the position at the air inlet 11 to abut against the air inlet 11 to filter air blown in from the air inlet 11, thereby realizing automatic replacement of the filter screen 21 in the filter device, and the filter assembly 2 dirtier at the air inlet 11 rotates to the airflow channel 13 to idle, and the filter assembly 2 dirtier is cleaned by controlling the operation of the cleaning mechanism 3, thereby realizing automatic cleaning of the filter screen 21 in the filter device. The automatic filter screen replacing and cleaning device is ingenious in structural design and simple to operate, the filter screen 21 can be replaced and cleaned automatically without disassembling the filter screen 21, the replacement and cleaning efficiency of the filter screen 21 is high, and the problem that the filter screen 21 is damaged due to the disassembly of the filter screen 21 to cause filter failure can be effectively solved; and in the process of cleaning the filter screen 21, the filter device can be in a normal air inlet working state, and the normal use of the filter device is not influenced.
In one embodiment, the turning mechanism 4 includes a turning driving motor 41, a first rotating shaft 42, a turning bracket 43 and a second rotating shaft 44, wherein the turning driving motor 41 is fixedly installed on the inner wall of the casing 1 through a supporting seat 45, one end of the first rotating shaft 42 is fixedly connected with an output shaft of the turning driving motor 41, the turning bracket 43 is disposed in the casing 1, the turning bracket 43 is in a "C" shape, and includes a vertical rod 431 and two cross rods 432 symmetrically disposed at two ends of the vertical rod 431, a middle portion of the vertical rod 431 of the turning bracket 43 is fixedly connected with the other end of the first rotating shaft 42, the second rotating shaft 44 is provided with two second rotating shafts 44, the two second rotating shafts 44 are symmetrically disposed and respectively rotatably connected to the two upper and lower cross rods 432 of the turning bracket 43, and one ends of the two second rotating shafts 44 are respectively fixedly connected with one side, far away from the filter screen 21, of the supporting frame 22 of the corresponding filter assembly 2. When need change or wash filter assembly 2, control upset driving motor 41 and rotate 180 degrees, drive first pivot 42 through upset driving motor 41 and rotate to drive upset support 43 upset, because filter assembly 2 is connected with upset support 43 through second pivot 44 respectively, consequently, the upset of upset support 43 can drive two filter assembly 2 upsets and realize exchanging of two filter assembly 2 positions.
In one embodiment, the washing mechanism 3 includes a reservoir 31 and a washing drive unit; the water storage tank 31 is arranged in the shell 1, the top of the water storage tank 31 is provided with an opening for the filter component 2 to extend into, the side wall of the water storage tank 31 is provided with a water inlet valve 32, and the bottom of the water storage tank 31 is provided with a water discharge valve 33; the cleaning driving unit is symmetrically provided with two groups, the cleaning driving unit comprises a driving wheel 34, a third rotating shaft 35, a cleaning driving motor 36 and a driven wheel 37, wherein the cleaning driving motor 36 is fixedly arranged on a vertical rod 431 of the overturning bracket 43, the driven wheel 37 is fixedly connected to the other end of the corresponding second rotating shaft 44, the driving wheel 34 is fixedly connected with an output shaft of the cleaning driving motor 36 through the third rotating shaft 35, the third rotating shaft 35 is rotatably connected with the vertical rod 431 of the overturning bracket 43, and the driving wheel 34 is in transmission connection with the driven wheel 37. When the filter screen 21 on the filter assembly 2 needs to be cleaned, open through controlling the inlet valve 32, inject a proper amount of water (or other washing liquid) into the aqua storage tank 31, then the washing driving motor 36 of the lower extreme of the straight-bar of the control upset support 43 rotates, it drives the action wheel 34 through the third pivot 35 to wash driving motor 36 and rotate, because action wheel 34 is connected with the transmission of following driving wheel 37, thereby it rotates from driving wheel 37, rethread second pivot 44 drives filter assembly 2 at 31 internal rotations of aqua storage tank, through the high-speed rotation of filter assembly 2, utilize centrifugal force to make water carry over the attachment of adhesion on the filter screen 21 of filter assembly 2 out, thereby realize the self-cleaning to filter screen 21 on the filter assembly 2. After the cleaning, the drain valve 33 is controlled to open to drain the sewage in the water storage tank 31. When the concrete product is designed, the water inlet valve 32 and the water discharge valve 33 can be correspondingly communicated with external water supply equipment and external sewage collecting equipment through flexible water pipes. Specifically, in the present embodiment, the driving and driven wheels 37 are both bevel gears, and the change of the transmission direction is realized by two bevel gears, and the driving and driven wheels are light in weight, smooth in transmission and low in noise.
In one embodiment, the cleaning mechanism 3 further includes a telescopic rod 38 for driving the water storage tank 31 to ascend and descend, the lower portion in the housing 1 has an accommodating cavity 14, the accommodating cavity 14 is communicated with the airflow channel 13, the water storage tank 31 and the telescopic rod 38 are both disposed in the accommodating cavity 14, the upper end of the telescopic rod 38 is fixedly connected with the bottom of the water storage tank 31, and the lower end of the telescopic rod 38 is fixedly connected with the bottom wall of the accommodating cavity 14. The telescopic rod 38 is arranged to control the water storage tank 31 to lift, when the filtering component 2 needs to be cleaned, the telescopic rod 38 is controlled to extend out, the water storage tank 31 is lifted to a preset height, and the filtering component 2 extends into the water storage tank 31 from an opening of the water storage tank 31 to be cleaned; after the washing is completed, the telescopic rod 38 is controlled to retract, so as to completely lower the water storage tank 31 into the accommodating cavity 14, and the filtering assembly 2 is far away from the water storage tank 31 from the opening of the water storage tank 31. By the design, the size of the water storage tank 31 can be reduced to a certain extent while the depth of the water storage tank 31 is ensured, so that the size of the whole filtering device is reduced. Specifically, the telescopic rod 38 is an electric push rod which is small in size, high in precision and sanitary, and does not need an air source or an oil path of a pipeline.
In one embodiment, the cleaning mechanism 3 further comprises a splash preventing device disposed at the upper end of the water storage tank 31, the splash preventing device is used for preventing liquid in the water storage tank 31 from splashing to the outside of the water storage tank 31 in the cleaning process of the filter assembly 2, and the splash preventing device comprises 4 water blocking structures 39 arranged in a square shape; when the water storage tank 31 rises, the upper ends of the 4 water retaining structures 39 are close to each other above the opening of the water storage tank 31 so as to shield the area right above the area between the side wall of the water storage tank 31 and the filter assembly 2, namely the area around the opening of the upper end of the water storage tank 31, thereby preventing the water in the water storage tank 31 from splashing upwards from the area between the side wall of the water storage tank 31 and the filter assembly 2 due to the high-speed rotation of the filter device in the cleaning process of the filter assembly 2; when the water storage tank 31 descends, the upper ends of the 4 water blocking structures 39 are far away from each other above the opening of the water storage tank 31 so as to avoid shielding right above the area between the side wall of the water storage tank 31 and the filter assembly 2, thereby avoiding interference between the filter device and the water blocking structures 39 when the water storage tank 31 descends.
In one embodiment, the water stop 39 includes a water stop 391, a connecting rod 392, rollers 393, springs 394 and hinge mounts 395; the water baffle 391 is in an isosceles trapezoid shape with a small upper part and a big lower part, the hinge base 395 is fixedly arranged on the outer side wall of the water storage tank 31, the upper end of the connecting rod 392 is fixedly connected with the lower end of the water baffle 391, an obtuse angle is formed between the connecting rod 392 and the water baffle 391, the middle part of the connecting rod 392 is hinged with the hinge base 395, the roller 393 is rotatably connected with the lower end of the connecting rod 392, one end of the spring 394 is fixedly connected with the lower end of the connecting rod 392, and the other end of the spring 394 is fixedly connected with the outer side wall of the water storage tank 31; the accommodating cavity 14 comprises an upper cavity 141 for accommodating the water storage tank 31 and a lower cavity 142 for accommodating the telescopic rod 38, the upper cavity 141 is communicated with the lower cavity 142, the upper cavity 141 is in a rectangular frustum shape with a large upper part and a small lower part, and the rollers 393 of the four water retaining structures 39 are respectively abutted against four side walls of the upper cavity 141 of the accommodating cavity 14. Set up like this, whole water retaining structure 39 is similar to one and uses articulated seat 395 as the seesaw of rotation fulcrum, when the aqua storage tank 31 ascends, under spring 394's elastic action, the lateral wall that cavity 141 upwards rolled is supported tightly to gyro wheel 393, because last cavity 141 is big-end-up's four-edged platform form, then aqua storage tank 31 is constantly kept away from to the lower extreme of connecting rod 392, and the upper end of connecting rod 392 drives breakwater 391 and then constantly is close to aqua storage tank 31, thereby make 4 water retaining structure 39's breakwater 391 be close to each other respectively, the last butt in proper order encloses into a big-end-up's four-edged platform form, effectively shelter from the upper region in the region between aqua storage tank 31's lateral wall and the filter component 2, prevent that water from splashing.
In one embodiment, a deflector 396 is fixedly disposed inside the baffle 391 along a length of the baffle 391. By arranging the guide plate 396, water splashed to the inner wall of the water baffle 391 is guided to the water storage tank 31, and the water adhered to the inner wall of the water baffle 391 is prevented from flowing downwards to the outside of the water storage tank 31 along the water baffle 391. Specifically, in this embodiment, the air deflector 396 and the water baffle 391 are integrally formed, so that the number of parts is reduced, the production efficiency is improved, the production cost is reduced, and the connection strength between the air deflector 396 and the water baffle 391 is improved, thereby improving the service life.
In one embodiment, the deflector 396 is located above the region between the side wall of the reservoir 31 and the filter assembly 2, adjacent to one side of the side wall of the reservoir 31. Therefore, the water adhered to the inner wall of the water baffle 391 can be guided to the water storage tank 31 to a greater extent.
In one embodiment, the support frame 22 includes a mounting frame 221, a circular bottom plate 222 and 4 connecting columns 223, the filter screen 21 is mounted on the top surface of the mounting frame 221, and both ends of the 4 connecting columns 223 are fixedly connected with the mounting frame 221 and the circular bottom plate 222, respectively. With this arrangement, the supporting frame 22 not only supports the filter screen 21, but also the circular bottom plate 222 of the supporting frame 22 guides the air, so that the air blown in from the air inlet 11 passes through the filter screen 21 and then blows in the airflow channel 13 from the peripheral side of the supporting frame 22, thereby preventing the air flow from directly blowing to the turnover mechanism 4 and the cleaning mechanism 3.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. A dual screen air filtration device, comprising:
the air conditioner comprises a shell, wherein an air inlet and an air outlet are formed in the shell, an air flow channel is formed in the shell, and the air inlet and the air outlet are communicated through the air flow channel;
the two filter assemblies are symmetrically arranged in the shell and comprise filter screens and support frames, the filter screens are mounted on the support frames, one side surface, far away from the support frames, of each filter screen is an outwards-convex spherical curved surface, the two spherical curved surfaces of each filter screen are on the same spherical surface, the size of each spherical curved surface of each filter screen is larger than that of each air inlet, one filter screen of each filter assembly is abutted against the corresponding air inlet to filter air entering the airflow channel, and the other filter assembly is arranged in the airflow channel in a spare mode in the air inlet working state;
a turnover mechanism installed in the airflow channel for simultaneously turning over the two filter assemblies to exchange the positions of the two filter assemblies,
the turnover mechanism comprises:
the turnover driving motor is fixedly arranged on the inner wall of the shell through a supporting seat;
one end of the first rotating shaft is fixedly connected with an output shaft of the turnover driving motor;
the overturning bracket is arranged in the shell and is fixedly connected with the other end of the first rotating shaft; and
two second rotating shafts are arranged, the two second rotating shafts are symmetrically arranged and are respectively and rotatably connected to the overturning bracket, and one ends of the two second rotating shafts are respectively and fixedly connected with one sides, far away from the filter screen, of the supporting frames of the corresponding filtering assemblies;
and
a cleaning mechanism installed in the housing, the cleaning mechanism being used for cleaning the filter assembly left unused in the airflow channel to remove attachments adhered to a filter screen of the filter assembly,
the cleaning mechanism includes:
the water storage tank is arranged in the shell, an opening for the filter component to extend into is formed in the top of the water storage tank, and a water inlet valve and a water discharge valve are arranged on the water storage tank; and
two groups of cleaning driving units are symmetrically arranged, each cleaning driving unit comprises a driving wheel, a third rotating shaft, a cleaning driving motor and a driven wheel, wherein,
the cleaning driving motor is fixedly arranged on the overturning bracket, the driven wheel is fixedly connected to the other end of the corresponding second rotating shaft, the driving wheel is fixedly connected with an output shaft of the cleaning driving motor through a third rotating shaft, the third rotating shaft is rotatably connected with the overturning bracket, and the driving wheel is in transmission connection with the driven wheel;
the cleaning mechanism further comprises a splash-proof device arranged at the upper end of the water storage tank, the splash-proof device is used for preventing liquid in the water storage tank from splashing to the outside of the water storage tank in the cleaning process of the filtering assembly, and the splash-proof device comprises 4 water retaining structures which are arranged in a rectangular shape;
when the water storage tank rises, the upper ends of the 4 water retaining structures are close to each other above the opening of the water storage tank so as to shield the upper part of the area between the side wall of the water storage tank and the filtering component;
when the water storage tank descends, the upper ends of the 4 water retaining structures are far away from each other above the opening of the water storage tank so as to avoid shielding right above the area between the side wall of the water storage tank and the filtering component;
the water retaining structure comprises a water retaining plate, a connecting rod, a roller, a spring and a hinge seat;
the breakwater is isosceles trapezoid big-end-up, articulated seat fixed mounting is in on the lateral wall of aqua storage tank, the upper end of connecting rod with the lower extreme fixed connection of breakwater, the middle part of connecting rod with articulated seat is articulated, the gyro wheel with the lower extreme of connecting rod rotates to be connected, the one end of spring with the lower extreme fixed connection of connecting rod, the other end of spring with the lateral wall fixed connection of aqua storage tank.
2. The dual screen air filtration device of claim 1, wherein the drive and driven wheels are bevel gears.
3. The dual-screen air filtering device according to claim 1 or 2, wherein the cleaning mechanism further comprises a telescopic rod for driving the water storage tank to ascend and descend, a containing cavity is formed in the lower portion inside the casing and is communicated with the air flow channel, the water storage tank and the telescopic rod are both arranged inside the containing cavity, the upper end of the telescopic rod is fixedly connected with the bottom of the water storage tank, and the lower end of the telescopic rod is fixedly connected with the bottom wall of the containing cavity.
4. The air filtering device of claim 3, wherein the accommodating cavity comprises an upper cavity for accommodating the water storage tank, the upper cavity is in a shape of a truncated quadrangular pyramid with a large top and a small bottom, and the four rollers of the water retaining structure are respectively abutted against four side walls of the upper cavity of the accommodating cavity.
5. The dual screen air filtration device of claim 4 wherein a deflector is secured to the inside of the dam along the length of the dam.
6. The dual screen air filtration device of claim 5 wherein the baffle is located above the area between the side wall of the reservoir and the filter assembly adjacent one side of the side wall of the reservoir.
7. The dual screen air filtration device of claims 1, 2, 4, 5, or 6, wherein the support frame comprises a mounting frame, a circular base plate, and a plurality of connecting posts, the screen is mounted on a top surface of the mounting frame, and two ends of the plurality of connecting posts are respectively fixedly connected to the mounting frame and the circular base plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011524877.2A CN112774345B (en) | 2020-12-22 | 2020-12-22 | Double-filter-screen type air filtering device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011524877.2A CN112774345B (en) | 2020-12-22 | 2020-12-22 | Double-filter-screen type air filtering device |
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| CN112774345B true CN112774345B (en) | 2022-12-09 |
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| CN206398869U (en) * | 2017-01-10 | 2017-08-11 | 李建农 | Air cleaning machine |
| CN109764425A (en) * | 2017-11-03 | 2019-05-17 | 陕西柯瑞达环保科技有限公司 | A kind of air purifier convenient for cleaning strainer |
| CN210035742U (en) * | 2019-04-19 | 2020-02-07 | 梦想合伙人(广东)净屋环保有限公司 | Air purification equipment and air purification subassembly |
| CN211676581U (en) * | 2020-02-16 | 2020-10-16 | 肇庆海鹭食品有限公司 | Filter equipment of functional coconut juice production usefulness |
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Effective date of registration: 20221122 Address after: No.8, nongyuan Road, Yueyang hi tech Industrial Park, rongjiawan Town, Yueyang County, Yueyang City, Hunan Province, 414000 Applicant after: Hunan Bada Civil Air Defense Technology Co.,Ltd. Address before: 400023 13-8, building 1, No.22, Rongjing Road, Jiangbei District, Chongqing Applicant before: Chongqing haofengji Technology Co.,Ltd. |
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