CN114322178B

CN114322178B - Air purifier

Info

Publication number: CN114322178B
Application number: CN202210040025.9A
Authority: CN
Inventors: 左红艳; 朱云; 谭季秋; 杨博
Original assignee: Hunan Institute of Engineering
Current assignee: Hunan Institute of Engineering
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2023-05-26
Anticipated expiration: 2042-01-14
Also published as: CN114322178A

Abstract

The invention discloses an air purifier, which comprises an air inlet part and a filtering air outlet part which are connected with each other, wherein the filtering air outlet part is arranged above the air inlet part, the air inlet part comprises a lower shell, an air door component and a fan component, the air door component and the fan component are positioned in the lower shell, a plurality of air inlets are formed in the lower shell, the air door component can be covered on the air inlets to enable the air inlets to be closed or move to enable the air inlets to be opened, the filtering air outlet part comprises a shell and a filtering component arranged in the shell, a plurality of air outlets are formed in the shell, the filtering component comprises a supporting plate, a spherical filter and a plurality of filter cores, the spherical filter is arranged on the supporting plate, the filter cores are arranged around the spherical filter, the lower shell and the filter cores are communicated with the spherical filter, and gas entering the lower shell from the air inlets sequentially enters the spherical filter and the filter cores to act, and finally is discharged from the air outlets. The invention has stable air inlet and adjustable air quantity; different effects are realized through two-stage filtration, the structure is compact, the air outlet noise is low, and the wind sense is comfortable.

Description

Air purifier

Technical Field

The invention belongs to the technical field of purifiers, and particularly relates to an air purifier.

Background

Modern cities have large population density, are affected by production and living, and have pollution to different degrees in outdoor and indoor environments, such as air pollution caused by outdoor automobile exhaust, indoor decoration and the like, and indoor air purifiers are generated. The existing air purifier is to adsorb or absorb pollutants in the air by various physical or chemical means so as to achieve the purpose of purifying the air. Whether the air is purified by physical means or chemical means, it is desirable to have the air in contact with the adsorbate or reactant as thoroughly as possible to maximize contaminant removal. Existing air cleaners typically employ increasing the length of the air flow in either the horizontal or vertical direction to increase the contact area of the air with the adsorbate or reactant, which results in a generally larger volume of the air cleaner. Meanwhile, because of the arrangement of the fan, the noise of the air purifier is often larger.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide an air purifier, wherein the arrangement of a plurality of air inlet doors forms a fish scale bionic structure, so that air can smoothly flow into the purifier, and the air quantity can be adjusted; the setting of two-stage filtration has realized different effects, and a plurality of filter cores encircle spherical filter setting, make the whole compacter of structure, and the setting of sponge piece has guaranteed that the wind of coming out is laminar, has improved human travelling comfort, has realized making an uproar falls, can also play the humidification effect when necessary, is convenient for wash simultaneously and replace.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides an air purifier, including air inlet portion and the filtration air-out portion that connects each other, the top of air inlet portion is located to the filtration air-out portion, air inlet portion includes shell down, air door subassembly and fan subassembly are located down the shell, be equipped with a plurality of air intakes on the shell down, air door subassembly can close on the air intake and make the air intake close or remove to making the air intake open, the filtration air-out portion includes the casing and installs the filter assembly in the casing, be equipped with a plurality of air outlets on the casing, the filter assembly includes the backup pad and installs spherical filter and a plurality of filter core in the backup pad, a plurality of filter cores encircle spherical filter and arrange, down shell and filter core all communicate with spherical filter, get into spherical filter and filter core effect from the inside gas of air intake entering down the shell in proper order, at last follow the air outlet is discharged.

As a further improvement of the above technical scheme:

the filtering air part further comprises a sponge block, the sponge block is positioned between the air outlet and the plurality of filter elements, and a plurality of small holes are arrayed on the sponge block.

The spherical filter comprises a spherical shell, a filter screen and a filter material I, wherein the filter screen is positioned in the spherical shell, and the filter material I is positioned in the filter screen.

The air door component comprises a driving part and at least one group of air door components, the air door components comprise a supporting frame and a plurality of air inlets, the air inlets are matched with the air inlets, the air inlets are hinged to the supporting frame, the supporting frame is driven by the driving part to ascend or descend, and the air inlets are driven to rotate relative to the supporting frame, so that the air inlets are opened or closed.

The air door piece still includes gravity piece, and drive unit includes driving motor and disc, and the lower extreme in the shell is established to the disc, is equipped with at least one arc recess on the disc, the bottom slope of arc recess, the upper end joint support frame of gravity piece, lower extreme support are in the bottom of arc recess, and driving motor connects and drives the disc and rotate, and when the disc rotated, the gravity piece of support in arc recess bottom risees or descends, drives the support frame and rises or descend.

The air door piece further comprises a plurality of fixing rods, the fixing rods are arranged at intervals in parallel, two ends of each fixing rod are hinged to the supporting frame, and a plurality of air inlets are arranged on each fixing rod.

The air door piece further comprises a plurality of connecting rods, two ends of each connecting rod are fixedly connected with a connecting rod, one end of each connecting rod is fixedly connected with the connecting rod, and the other end of each connecting rod is hinged with the supporting frame.

The two ends of at least one fixed rod on each air door component are arranged on the lower shell through bearings.

The driving part further comprises a motor fixing frame and a battery pack, the motor fixing frame is fixedly arranged at the lower end of the lower shell, the disc is located below the motor fixing frame, and the driving motor and the battery pack are arranged on the motor fixing frame.

The fan assembly comprises a draught fan, and the draught fan is arranged at the upper end of the lower shell.

The beneficial effects of the invention are as follows: the arrangement of the plurality of air inlet doors forms a fish scale bionic structure, so that gas can smoothly flow into the purifier, and the air quantity is regulated by regulating the opening of the air inlet doors; the novel filter has the advantages that the spherical structure increases the turbulence degree of internal gas, improves the mixing degree and the contact area of the gas and the filter material, improves the reaction effect of the gas and the filter material, sets the filter element to further purify and filter the gas, sets the two-stage filtration to achieve different effects, sets the filter element to surround the spherical filter, ensures that the whole structure is more compact, ensures that the air from the sponge block is laminar, improves the comfort of people, realizes noise reduction, can play a role in humidifying when necessary, and is convenient to clean and replace.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic illustration of an embodiment of the invention with the lower housing removed from the air intake;

FIG. 3 is a schematic view of a driving member and its engagement with a weight block according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a rotating disc arrangement according to an embodiment of the present invention;

FIG. 5 is a schematic view showing the opening of the upper air inlet door of the lower housing according to one embodiment of the present invention;

FIG. 6 is an exploded view of a filtered air outlet according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a spherical filter according to one embodiment of the present invention.

Detailed Description

The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

An air purifier, as shown in figures 1-7, comprises an air inlet part and a filtering air outlet part which are connected with each other, wherein the filtering air outlet part is positioned above the air inlet part. The external air enters the air purifier through the air inlet part, is filtered and purified by the filtering air outlet part, and then the purified air is discharged from the filtering air outlet part.

The air inlet part comprises a lower shell 4, a throttle component and a fan component, wherein the throttle component and the fan component are positioned in the lower shell 4.

The lower shell 4 is of a cuboid shape with a hollow inside, the top of the lower shell 4 is connected with a filtering air part, at least one side surface of the lower shell 4 is provided with a plurality of air inlets, and the air inlets are communicated with the inside and the outside of the lower shell 4. In this embodiment, a plurality of air inlets are provided on two opposite sides of the lower housing 4. The air inlets on each side face are arranged in a plurality of rows, and the air inlets of two adjacent rows are staggered. The shape of the air inlet is triangle with three corners as fillets.

The air door assembly can be covered on the air inlet to enable the air inlet to be closed or removed to enable the air inlet to be opened. The air door component comprises a driving component and at least one group of air door components, wherein the driving component drives the air door components to move so as to cover the air inlet or not cover the air inlet. Each set of damper members cooperates with a plurality of air inlets on one side of the lower housing 4, in this embodiment, two sets of damper members are provided.

The air door piece comprises a supporting frame 8, a gravity block 17, a plurality of fixed rods 9, a plurality of connecting rods 15 and a plurality of air inlet doors 7. Each air inlet door 7 is matched with each air inlet, namely, the shape of each air inlet door 7 is a triangle with three corners as fillets. The support frame 8 includes two montants and a horizontal pole of parallel interval arrangement, two montants are connected perpendicularly respectively at the both ends of horizontal pole, and two montants and a horizontal pole are connected and are formed the U-shaped, and the horizontal pole is located the bottom of support frame 8. Two ends of the fixed rod 9 are respectively and vertically fixedly connected with a connecting rod 15, and the fixed rod 9 is connected with the two connecting rods 15 at two ends of the fixed rod to form a U shape. Two connecting rods 15 at two ends of the fixed rod 9 are respectively hinged with two vertical rods of the supporting frame 8. Namely one end of a connecting rod 15 is fixedly connected with a fixed rod 9, and the other end is hinged with a vertical rod of a supporting frame 8. The fixed rods 9 of each air door component are arranged in parallel and at intervals, and the fixed rods 9 are perpendicular to the vertical rods of the supporting frame 8. A plurality of air inlet doors 7 are fixedly arranged on each fixed rod 9 at intervals, and the air inlet doors 7 on each air door piece are matched with the air inlets on one side face of the lower shell 4. The upper end of the gravity block 17 is connected with a cross rod of the supporting frame 8, and the lower end is connected with a driving part.

The two ends of at least one fixed rod 9 on each set of damper members are mounted on the lower housing 4 by bearings 13. In this embodiment, the two ends of the two fixing rods 9 at the top and bottom of each damper assembly are mounted on the lower housing 4 via bearings 13. Specifically, the two ends of the two fixing rods 9 at the top and bottom extend beyond the connecting rods 15, and the two ends of the other fixing rods 9 are respectively connected with the two connecting rods 15. The two ends of the two fixing rods 9 at the top and bottom are respectively mounted on the lower housing 4 through bearings 13, and bearing blocks 14 for mounting the bearings 13 are fixedly mounted on the lower housing 4.

The driving parts include a driving motor 16, a disk 10, a motor holder 11, and a battery pack 12. The disc 10 is rotatably provided at the lower end in the lower housing 4, and the plane in which the disc 10 is located is horizontal. The disc 10 is provided with at least one arc-shaped groove, the bottom of the arc-shaped groove is inclined, and the arc and the disc 10 are concentric. The motor mount 11 fixed mounting is in the lower extreme of lower shell 4, and disc 10 is located the below of motor mount 11, and driving motor 16 and battery package 12 are installed on motor mount 11, and battery package 12 is located the top of motor mount 11, and driving motor 16 is located the below of motor mount 11. The driving motor 16 is connected to the center of the disc 10 in a co-rotating manner, and specifically, the center of the disc 10 is provided with a D-shaped hole a. The motor shaft of the driving motor 16 is connected with the hole in the center of the disc 10, so that the driving motor 16 drives the disc 10. Preferably, the drive motor 16 is a stepper motor.

The lower end of the gravity block 17 is supported at the bottom of the arc-shaped groove, in this embodiment, two arc-shaped grooves are provided, and two gravity blocks 17 of two air door pieces are respectively supported on the two arc-shaped grooves. Obviously, the outer diameter of the weight 17 is not greater than the width of the arcuate recess so as to extend into the arcuate recess.

Based on the above structure, for each damper, since two fixing rods 9 are mounted on the lower housing 4 through bearings 13, the plurality of fixing rods 9 are combined through the supporting frame 8, so that the fixing rods 9 are rotated only and are not moved in the axial direction or other directions thereof. When the driving motor 16 drives the disc 10 to rotate for a certain angle, the gravity block 17 supported at the bottom of the arc-shaped groove ascends or descends to drive the supporting frame 8 to ascend or descend, so that the fixing rod 9 rotates relative to the supporting frame 8. The air inlet door 7 is fixed on the fixed rod 9, and the air inlet door 7 can also rotate, so that the angle between the air inlet door 7 and the air inlet is changed, and the air inlet is closed or opened to different degrees. The rotation angle of the disc 10 can be controlled by controlling the starting time of the driving motor 16, so that the ascending or descending degree of the gravity block 17 and the rotation angle of the air inlet door 7 are controlled, the air inlet is closed, opened and different opening degrees are adjusted, and the air inlet quantity is adjusted.

The fan subassembly includes draught fan 5 and draught fan fixed bolster 6, and draught fan fixed bolster 6 fixed mounting is in the upper end of shell 4 down, and draught fan 5 is installed on draught fan fixed bolster 6. After the induced draft fan 5 is started and the air inlet is opened, external air enters the lower shell 4 through the air inlet.

The battery pack 12 supplies power to the drive motor 16 and the induced draft fan 5.

The filtered air portion includes a housing, a filter assembly and a sponge block 18, the filter assembly and the sponge block 18 being located within the housing.

The shell comprises an upper shell 2 and an end cover 1, wherein the upper shell 2 is of a cuboid tubular structure with a hollow inside. Preferably, the inner diameter of the upper housing 2 is larger than the inner diameter of the lower housing 4. The end cap 1 is covered on top of the upper housing 2. The upper casing 2 and the lower casing 4 are connected and communicate internally. At least one side of the upper housing 2 is provided with a plurality of air outlets. In this embodiment, a plurality of air outlets are respectively disposed on four sides of the upper housing 2, and the air outlets are communicated with the inside and the outside of the upper housing 2. The air outlets are long strips, and a plurality of air outlets on each side face are arranged in parallel and at intervals.

The filter assembly comprises a support plate 2, a first air supply channel 21, a spherical filter 22 and a plurality of filter elements 19. The ball filter 22 and the plurality of filter cartridges 19 are mounted on the support plate 2, and preferably the ball filter 22 and the plurality of filter cartridges 19 are located on the same side of the support plate 2, the plurality of filter cartridges 19 being disposed around the ball filter 22. In this embodiment, four filter elements 19 are provided.

The ball filter 22 includes a ball housing, a screen 23, and a filter medium 24. The spherical shell is a sphere with a hollow interior, and the filter screen 23 and the filter material 24 are positioned in the spherical shell. The filter screen 23 is spherical, the diameter of which is smaller than that of the spherical shell, and the filter screen 23 is net-shaped. The first filter material 24 is spherical and hollow, the first filter material 24 is positioned in the filter screen 23, and the adding amount of the first filter material 24 can be specifically set. The other side of the support plate 2 is provided with a first air supply channel 21, or the first air supply channel 21 and a spherical filter 22 are respectively positioned at two sides of the support plate 2. The first air supply channel 21 is horn-shaped and comprises a large opening end and a small opening end. The small opening end of the first air supply channel 21 is connected with the bottom of the spherical shell, and the large opening end of the first air supply channel 21 is downwards communicated with the lower shell 4. The first air supply channel 21 is positioned above the induced draft fan 5. Thus, the first air supply passage 21 communicates the interior of the spherical shell with the lower housing 4.

The first filter material 24 may have an aromatic flavor for indoor flavoring, a hydrophilic material for adsorbing water molecules in the air flow, and a sterilizing material. The spherical shell inner structure of the spherical filter 22 can enable the inner gas to generate a plurality of annular air flows, the turbulent air flows blow the spherical hollow filter material I24 into the air to continuously rotate along with the annular air flows, the spherical hollow filter material I24 is suspended in the air under the influence of the annular air flows, the spherical hollow filter material I can better contact with the gas, the functions of enhancing the aroma, drying, sterilizing and the like can be performed more effectively, and the filtering and purifying effects of the spherical filter 22 are improved. The turbulent gas can reduce the turbulence degree and improve the stability of the gas after passing through the filter screen 23.

The filter element 19 includes a second air supply passage 26 and a second filter 25, and the second filter 25 surrounds the second air supply passage 26. The second air supply channel 26 is provided with a plurality of holes, and the lower end 26 of the second air supply channel is communicated with the spherical shell. The air in the ball filter 22 enters the second air supply passage 26, flows out of the holes in the second air supply passage 26, and is filtered by the second filter material 25.

The sponge block 18 is cylindrical, and the sponge block 18 is positioned between the lower housing 4 and the plurality of filter elements 19. Specifically, the sponge block 18 surrounds the plurality of filter elements 19, and the air passing through the filter elements 19 can be discharged from the air outlet after passing through the sponge block 18. The sponge 18 has holes with uniform diameter on its surface, and the air passes through the holes Kong Songchu to ensure laminar flow of the air, which increases the flow state near the wall surface, which is mostly laminar flow. The laminar gas is more comfortable to blow on the human body, and most importantly, the sponge can reduce noise and adsorb noise generated by gas vibration. Meanwhile, the sponge is convenient to clean and replace. The wet sponge can also play a role in humidifying when being placed in a dry season.

Based on the structure, the working principle of the invention is as follows: the initial state of the purifier is that a plurality of air inlets 7 of two groups of air door components are respectively covered on air inlets on two side surfaces of the lower shell 4, so that the air inlets are closed. The driving motor 16 is started to drive the disc 10 to rotate for a certain angle, the gravity block 17 slides down along the inclined bottom of the arc-shaped groove, the supporting frame 8 descends, the connecting rod 15, the fixing rod 9 and the air inlet door 7 integrally rotate relative to the supporting frame 8, the air inlet door 7 rotates relative to the air inlet, the air inlet is gradually opened, and the fish scale-like action is achieved, as shown in fig. 5. When the driving motor 16 stops, the air inlet door 7 stops, and the air inlet is opened to a set size. Then the induced draft fan 5 is started, external air enters the lower shell 4 through the plurality of air inlet doors 7, under the action of the induced draft fan 5, the air enters the filter screen 23 through the first air supply channel 21, and the air entering the filter screen 23 and the first filter material 24 in the filter screen 23 act to remove part of pollutants. Then, the air after acting with the first filter material 24 enters the second air supply channel 26 after passing through the filter screen 23, passes through the second filter material 25 after exiting from the hole on the second air supply channel 26, is further purified and filtered by the second filter material 25, and finally flows out of the air outlet after passing through the sponge block 18.

Finally, what is necessary here is: the above embodiments are only for further detailed description of the technical solutions of the present invention, and should not be construed as limiting the scope of the present invention, and some insubstantial modifications and adjustments made by those skilled in the art from the above description of the present invention are all within the scope of the present invention.

Claims

1. The utility model provides an air purifier, a serial communication port, including the air inlet portion and the filtration air-out portion that connect each other, the filtration air-out portion is located the top of air inlet portion, the air inlet portion includes lower shell (4), air door subassembly and fan subassembly are located in lower shell (4), a plurality of air intakes are equipped with on two opposite sides of lower shell (4), a plurality of air intakes on every side are the multirow and arrange, the shape of air intake is the triangle-shaped of three angle for the fillet, air door subassembly can be covered on the air intake and make the air intake close or move to make the air intake open, the filtration air-out portion includes casing and the filter subassembly of installing in the casing, be equipped with a plurality of air outlets on the casing, the filter subassembly includes backup pad (20) and install spherical filter (22) and a plurality of filter core (19) on backup pad (20), spherical filter (22) and a plurality of filter core (19) are located the same side of backup pad (20), a plurality of filter core (19) encircle spherical filter (22) and arrange, lower shell (4) and filter core (19) all are with spherical filter (22) are connected, get into the filter (22) from spherical filter (22) under entering under the shell (4) and the filter, the filter core is discharged from the filter core (19) is in proper order;

the spherical filter (22) comprises a spherical shell, a filter screen (23) and a first filter material (24), wherein the filter screen (23) is positioned in the spherical shell, the first filter material (24) is positioned in the filter screen (23), the first spherical hollow filter material (24) is suspended in the air under the influence of annular air flow in the spherical shell,

the other side of the supporting plate (20) is provided with a first air supply channel (21), the first air supply channel (21) is in a horn shape and comprises a large opening end and a small opening end, the small opening end of the first air supply channel (21) is connected with the bottom of the spherical shell, the large opening end of the first air supply channel (21) is downwards communicated with the lower shell (4),

the filter element (19) comprises a second air supply channel (26) and a second filter material (25), the second filter material (25) surrounds the second air supply channel (26), a plurality of holes are formed in the second air supply channel (26), the lower end of the second air supply channel is communicated with the spherical shell,

the air door assembly comprises a driving part and at least one group of air door parts, each air door part comprises a supporting frame (8), a gravity block (17), a plurality of air inlet doors (7) and a plurality of fixing rods (9), each air inlet door (7) is matched with each air inlet, the shape of each air inlet door (7) is a triangle with three angles being round angles, the arrangement of the plurality of air inlet doors forms a fish scale bionic structure, the air inlet doors (7) are hinged on the supporting frame (8), the supporting frame (8) is driven by the driving part to ascend or descend, and the air inlet doors (7) are driven to rotate relative to the supporting frame (8) to realize the opening or closing of the air inlet;

the fixing rods (9) are arranged in parallel at intervals, two ends of each fixing rod (9) are hinged to the supporting frame (8), and each fixing rod (9) is provided with a plurality of air inlet doors (7); two ends of two fixing rods (9) at the top and the bottom of each air door component are arranged on the lower shell (4) through bearings (13);

the driving part comprises a driving motor (16) and a disc (10), the disc (10) is arranged at the lower end in the lower shell (4), at least one arc-shaped groove is formed in the disc (10), the bottom of the arc-shaped groove is inclined, the upper end of the gravity block (17) is connected with the supporting frame (8), the lower end of the gravity block is supported at the bottom of the arc-shaped groove, the driving motor (16) is connected with and drives the disc (10) to rotate, and when the disc (10) rotates, the gravity block (17) supported at the bottom of the arc-shaped groove ascends or descends to drive the supporting frame (8) to ascend or descend.

2. An air cleaner according to claim 1, wherein: the filtering air part further comprises a sponge block (18), the sponge block (18) is positioned between the air outlet and the plurality of filter cores (19), and a plurality of small holes are arrayed on the sponge block (18).

3. An air cleaner according to claim 1, wherein: the air door piece further comprises a plurality of connecting rods (15), two ends of the fixing rod (9) are fixedly connected with one connecting rod (15), one end of each connecting rod (15) is fixedly connected with the fixing rod (9), and the other end of each connecting rod is hinged to the supporting frame (8).

4. An air cleaner according to claim 1, wherein: the driving part further comprises a motor fixing frame (11) and a battery pack (12), the motor fixing frame (11) is fixedly arranged at the lower end of the lower shell (4), the disc (10) is located below the motor fixing frame (11), and the driving motor (16) and the battery pack (12) are arranged on the motor fixing frame (11).

5. An air cleaner according to claim 1, wherein: the fan assembly comprises an induced draft fan (5), and the induced draft fan (5) is arranged at the upper end of the lower shell (4).