CN211936070U

CN211936070U - Air purifier

Info

Publication number: CN211936070U
Application number: CN202020504534.9U
Authority: CN
Inventors: 王贤波; 汪春节; 丁泺火; 劳承云; 封宗瑜; 吴畏; 胡康泽; 刘江; 金星
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-17
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to an air purification technical field, concretely relates to air purifier, include: a housing; the filter screen assembly and the driving assembly are both arranged in the shell, and the driving assembly is used for enabling air to be purified to enter the shell and sequentially provide power through the filter screen assembly; the washing subassembly, the orientation the filter screen subassembly sets up, including be used for right the filter screen subassembly applys the structure of sweeping the power and be used for the drive sweep the structure edge the power structure that the covering surface of filter screen subassembly removed, the single area of sweeping the structure is less than the area of the covering surface of filter screen subassembly. The utility model provides a long service life removes effectual air purifier of aldehyde.

Description

Air purifier

Technical Field

The utility model relates to an air purification technical field, concretely relates to air purifier.

Background

At present, most of air purifiers use chemical adsorption type formaldehyde removal, namely organic amine or inorganic ammonium is loaded on carriers such as active carbon, formaldehyde is removed through chemical reaction of formaldehyde and amine (ammonium), but the formaldehyde removal mode has short service life and can not be regenerated, when the indoor formaldehyde concentration is high, the service life of a chemical adsorption type filter screen is less than one month, but the period of indoor formaldehyde release is long (usually 3-15 years), so that the filter screen needs to be continuously replaced, not only the cost is high, but also the waste filter screen can cause environmental pollution, and therefore, the problem of how to improve the service life and the reproducibility of the filter screen is urgently needed to be solved. For this reason, a filter net added with a normal temperature catalyst is used to remove formaldehyde for a long time, but formate is generated in the process of removing formaldehyde for a long time, or some dust covers the surface of the catalyst in the use process, which can cause the active center of the catalyst to be deactivated and lose the effect of removing formaldehyde.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the filter screen volatile of the normal atmospheric temperature catalyst among the prior art alive, influences the defect that removes the aldehyde effect to a long service life is provided, removes the effectual air purifier of aldehyde.

In order to solve the technical problem, the utility model provides an air purifier, include:

a housing;

the filter screen assembly and the driving assembly are both arranged in the shell, and the driving assembly is used for enabling air to be purified to enter the shell and sequentially provide power through the filter screen assembly;

the washing subassembly, the orientation the filter screen subassembly sets up, including be used for right the filter screen subassembly applys the structure of sweeping the power and be used for the drive sweep the structure edge the power structure that the covering surface of filter screen subassembly removed, the single area of sweeping the structure is less than the area of the covering surface of filter screen subassembly.

Air purifier, the filter screen subassembly includes the filtration that sets gradually along the flow direction of treating air-purifying and the formaldehyde filter screen of load normal atmospheric temperature catalyst, wash the subassembly and locate filtration with inside the casing between the formaldehyde filter screen, and the orientation the formaldehyde filter screen sets up.

Air purifier, filtration include along treating primary filter screen and the high efficiency filter screen that sets gradually of air-purifying's flow direction, the washing subassembly is located the high efficiency filter screen with between the formaldehyde filter screen.

Air purifier, the power structure include the edge a pair of guide rail of the edge parallel arrangement of the cover surface of formaldehyde filter screen with locate driving piece on the guide rail, the both ends that sweep the structure slide respectively and locate a pair ofly on the guide rail, and with the driving piece is connected, with it is progressively right under the effect of driving piece the formaldehyde filter screen sweeps.

The air purifier, sweep the structure including the perpendicular to a plurality of shower nozzles that the guide rail set up and with the compressed air bottle that the shower nozzle is connected, a plurality of the shower nozzle is located side by side with a pair of on the bracing piece of guide rail sliding connection.

The air purifier, still be provided with heating structure on the shower nozzle.

The air purifier, the compressed air bottle is located on the shell inner wall.

Air purifier, still including locating the filter screen subassembly with the collection subassembly between the drive assembly, collect the subassembly with the casing is dismantled and is connected.

The air purifier, the collection subassembly be the tray, be equipped with on the casing and allow the opening that the tray was taken out.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an air purifier treats that air-purifying gets into inside the casing under drive assembly's effect to purify through the filter screen subassembly in proper order, after using a period, the purifying effect of filter screen subassembly can be influenced in the cover of dust and reactant on the filter screen subassembly, only need to open the power structure drive at this moment and sweep the structure and remove to it can along the cover face of filter screen subassembly. Because the area that the single of sweeping the structure sweeps the area and is less than the area of the cover surface of filter screen subassembly, consequently when air purifier normally worked, the setting that sweeps the structure can not influence treating that air-purifying passes through the filter screen subassembly smoothly, and can progressively cover whole filter screen subassembly under the effect of power structure again when needs sweep the filter screen subassembly, guarantees to sweep the effect, and then the life of extension filter screen subassembly improves purifying effect.

2. The utility model provides an air purifier, the washing unit locate inside the casing between high-efficient filter screen and the formaldehyde filter screen, and set up towards the formaldehyde filter screen to in time effectively with the formate and the dust clearance that cover on the formaldehyde filter screen, guarantee the activity of catalyst, prolong the life of formaldehyde filter screen, reduce cost.

3. The utility model provides an air purifier sweeps structure and a pair of guide rail slip setting, treats under the filter efficiency's of air-purifying prerequisite at filter assembly as far as possible not influencing, has prolonged the life of formaldehyde filter screen.

4. The utility model provides an air purifier, the setting of heating structure on the shower nozzle has further improved the regeneration rate of normal atmospheric temperature catalyst on the formaldehyde filter screen, has improved purification efficiency.

5. The utility model provides an air purifier, the setting up of collection subassembly makes covers such as the dust of being disposed can concentrate the collection and handle, avoids it to cover on the formaldehyde filter screen once more, and the influence sweeps the effect.

Drawings

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

Fig. 1 is a schematic view of an air purifier provided by the present invention;

fig. 2 is a schematic view of the flushing assembly of fig. 1.

Description of reference numerals:

1. a housing; 2. a drive assembly; 3. a purging structure; 4. a power structure; 5. a primary filter screen; 6. a high-efficiency filter screen; 7. a formaldehyde filter screen; 8. a guide rail; 9. a cylinder; 10. a spray head; 11. a compressed air tank; 12. a support bar; 13. and (4) collecting the components.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

One embodiment of the air cleaner, as shown in fig. 1 and 2, includes a housing 1 and a screen assembly, a driving assembly 2 and a washing assembly installed in the housing 1. An inlet of air to be purified and an outlet of fresh air are formed in the shell 1, and the driving assembly 2 is a fan arranged close to the outlet. Treat that air-purifying is in under the power that drive assembly 2 provided get into inside casing 1, and pass through in proper order the filter screen subassembly filters, and the fresh air after the filtration is through export discharge casing 1. Wash the subassembly orientation the filter screen subassembly sets up, including be used for right the filter screen subassembly applys sweeping structure 3 and being used for the drive of sweeping the power sweep structure 3 edge the power structure 4 that the covering surface of filter screen subassembly removed, the single area that sweeps structure 3 is less than the area of the covering surface of filter screen subassembly sweeps structure 3 promptly and can only sweep the partial covering surface of filter screen subassembly when unmovable, and then can follow the covering surface gradual movement of filter screen subassembly under the drive of power structure 4 to the assurance effect of sweeping.

In order to guarantee the filter effect, the filter screen subassembly includes the primary filter screen 5 and the high efficiency filter screen 6 as filtration that set gradually along the flow direction of treating air-purifying and the formaldehyde filter screen 7 of load normal atmospheric temperature catalyst, and primary filter screen 5 is arranged in filtering the large granule thing and the hair of treating in the air-purifying, and high efficiency filter screen 6 is used for filtering particulate matter and bacterium, and formaldehyde filter screen 7 then is used for the high efficiency to get rid of formaldehyde. The formaldehyde filter screen adopts a filter screen loaded with a normal-temperature catalyst, the filter screen can be in a honeycomb type, a carbon cloth type or other loading modes, the normal-temperature catalyst is metal or metal oxide, such as Pt, MnOx, CoOx and the like, and the metal or metal oxide is loaded on activated carbon and can perform catalytic oxidation reaction with formaldehyde at room temperature to catalytically oxidize the formaldehyde into carbon dioxide and water. However, after the air purifier is used for a period of time, the metal catalytic active centers on the formaldehyde filter screen 7 are covered by dust and an intermediate, namely formate, generated by the reaction of the metal and formaldehyde, so that the activity of the catalyst is reduced and even the catalyst is ineffective. At this moment, the formaldehyde filter screen is started and arranged in the shell 1 between the high-efficiency filter screen 6 and the formaldehyde filter screen 7 and faces the formaldehyde filter screen 7, and the washing component washes dust and formate on the formaldehyde filter screen 7 so as to regenerate the formaldehyde filter screen and continue to play the function of removing formaldehyde.

In order not to influence the air after high-efficient filter screen 6 filters smoothly gets into formaldehyde filter screen 7, guarantee again simultaneously to fully washing of formaldehyde filter screen 7, power structure 4 includes the edge a pair of guide rail 8 of the horizontal edge parallel arrangement of formaldehyde filter screen 7's coverage with locate the cylinder 9 as the driving piece on the guide rail 8, it is a pair of to slide respectively to sweep the both ends of structure 3 and locate on the guide rail 8, and be connected with the piston rod of cylinder 9, and piston rod concertina movement drives and sweeps structure 3 along guide rail 8 reciprocating motion, thereby it is progressively right formaldehyde filter screen 7 sweeps.

Specifically, the purging structure 3 includes a plurality of nozzles 10 perpendicular to the guide rails 8 and a compressed air bottle 11 connected to the nozzles 10, the plurality of nozzles 10 are arranged side by side on a support rod 12 slidably connected to the pair of guide rails 8, sliders matched with the guide rails 8 are formed at two ends of the support rod 12, the compressed air bottle 11 is arranged on the inner wall of the housing 1, and an outlet of the compressed air bottle 11 is simultaneously connected to the plurality of nozzles 10 through a connection hose to provide high-pressure air for purging to the nozzles 10.

In order to improve the regeneration efficiency of the catalyst, the spray head 10 is also provided with a heating structure, so that the spray head 10 can provide gas with the pressure of 0.3-0.4 MPa and the temperature of 55-65 ℃ to sweep dust and formate on the formaldehyde filter screen 7, the effect is better, and the regeneration of the catalyst is promoted.

In order to conveniently and intensively treat the swept dust and formate, a tray serving as a collecting assembly 13 is further arranged between the filter screen assembly and the driving assembly 2, the collecting assembly 13 is detachably connected with the shell 1, and when the tray needs to be cleaned, an opening in the shell 1 is opened, and the tray is taken out.

Treat that air-purifying gets into under the power that the fan provided inside casing 1 to filter through primary filter 5, high-efficient filter screen 6 and formaldehyde filter screen 7 in proper order, with big granule thing and hair, particulate matter and bacterium and the formaldehyde in filtering in proper order and treating the air-controlled of purifying, the fresh air after the filtration is through export discharge casing 1. After air purifier used a period, start the compressed air bottle 11 and the heating structure of locating between high-efficient filter screen 6 and formaldehyde filter screen 7, provide the high-pressure high-temperature gas that sweeps for locating a plurality of shower nozzles 10 on bracing piece 12 to dust and formate on the formaldehyde filter screen 7 sweep. In the purging process, the cylinder 9 moves in a telescopic mode and drives the support rod 12 to slide in a reciprocating mode along the guide rail 8 through the sliding block, and therefore the formaldehyde filter screen 7 is purged step by step. The swept dust and formate are collected by a tray arranged between the filter screen assembly and the drive assembly 2, and when the tray needs to be cleaned, the opening in the shell 1 is opened, and the tray is taken out.

The filter material penetration time of the formaldehyde filter screen after and before the formaldehyde filter screen is washed by the washing component is tested, and the result is shown in table 1.

The air purifiers before and after washing were subjected to the overall formaldehyde CADR test at the same time, and the results are shown in table 2.

Can find out in above-mentioned two tables, the utility model provides an air purifier's purification efficiency is obvious higher, removes the formaldehyde effect better.

As an alternative embodiment, the power structure 4 may also be a screw rod and a motor connected with the screw rod, two ends of the purging structure 3 are connected with the screw rod through a screw rod nut, and move along the axial direction of the screw rod under the action of the motor to perform all-directional purging on the formaldehyde filter screen 7.

As an alternative embodiment, the compressed air tank 11 may also be mounted at the end of the guide rail 8, as long as the sliding of the purging structure 3 along the guide rail 8 is not affected.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An air purifier, comprising:

a housing (1);

the filter screen assembly and the driving assembly (2) are both arranged in the shell (1), and the driving assembly supplies power to the air to be purified to enter the shell (1) and sequentially pass through the filter screen assembly;

the washing assembly faces the filter screen assembly is arranged and comprises a sweeping structure (3) used for applying sweeping force to the filter screen assembly and a power structure (4) used for driving the sweeping structure (3) to move along the covering surface of the filter screen assembly, and the single sweeping area of the sweeping structure (3) is smaller than the area of the covering surface of the filter screen assembly.

2. The air purifier according to claim 1, wherein the filter screen assembly comprises a filter structure and a formaldehyde filter screen (7) loaded with a normal temperature catalyst, which are sequentially arranged along the flowing direction of the air to be purified, and the flushing assembly is arranged inside the shell (1) between the filter structure and the formaldehyde filter screen (7) and faces the formaldehyde filter screen (7).

3. The air purifier according to claim 2, wherein the filtering structure comprises a primary filter screen (5) and a high-efficiency filter screen (6) which are sequentially arranged along the flowing direction of the air to be purified, and the flushing component is arranged between the high-efficiency filter screen (6) and the formaldehyde filter screen (7).

4. The air purifier as claimed in claim 3, wherein the power structure (4) comprises a pair of guide rails (8) arranged in parallel along the edge of the covering surface of the formaldehyde filter screen (7) and a driving member arranged on the guide rails (8), and two ends of the purging structure (3) are respectively arranged on the pair of guide rails (8) in a sliding manner and connected with the driving member so as to purge the formaldehyde filter screen (7) gradually under the action of the driving member.

5. The air cleaner according to claim 4, wherein the purge structure (3) comprises a plurality of spray heads (10) arranged perpendicular to the guide rails (8) and a compressed air tank (11) connected to the spray heads (10), the plurality of spray heads (10) being arranged side by side on a support bar (12) slidably connected to a pair of the guide rails (8).

6. The air purifier according to claim 5, wherein the spray head (10) is further provided with a heating structure.

7. The air cleaner according to claim 5, characterized in that the compressed air bottle (11) is provided on an inner wall of the housing (1).

8. The air cleaner according to any one of claims 1-7, further comprising a collection assembly (13) disposed between the screen assembly and the drive assembly, the collection assembly (13) being removably coupled to the housing (1).

9. The air cleaner according to claim 8, wherein the collection assembly (13) is a tray, and the housing (1) is provided with an opening allowing the tray to be taken out.