阅读说明：本技术 一种家用空气净化器及空气净化方法 (Household air purifier and air purification method ) 是由 陈雅丽 胡皓 于 2021-08-26 设计创作，主要内容包括：本发明属于家用电器技术领域,具体的说是一种家用空气净化器及空气净化方法,包括控制器、外壳、风机和滤板,所述外壳内设有清洁机构,清洁机构包括前置滤板、电动推杆、刷子、储液盒、出液口和铰接板；所述外壳的内壁之间固连着前置滤板,外壳的内底壁上且靠近前置滤板处嵌设着电动推杆；所述电动推杆的活塞杆上固连着刷子；所述外壳的顶部固连着储液盒；所述外壳的顶部开设着连通至储液盒内的出液口；本发明通过设置清洁机构,提高空气净化器对控制器的净化效率和净化效果,提高前置滤板的使用寿命,节约空气净化器的使用成本,无需人工进行清洁,减少对空气净化器的拆装,提高空气净化器的使用寿命。(The invention belongs to the technical field of household appliances, and particularly relates to a household air purifier and an air purifying method, wherein the household air purifier comprises a controller, a shell, a fan and a filter plate, wherein a cleaning mechanism is arranged in the shell and comprises a front filter plate, an electric push rod, a brush, a liquid storage box, a liquid outlet and a hinged plate; the inner wall of the shell is fixedly connected with a front filter plate, and an electric push rod is embedded on the inner bottom wall of the shell and close to the front filter plate; a brush is fixedly connected to a piston rod of the electric push rod; the top of the shell is fixedly connected with a liquid storage box; the top of the shell is provided with a liquid outlet communicated to the liquid storage box; according to the invention, the cleaning mechanism is arranged, so that the purification efficiency and the purification effect of the air purifier on the controller are improved, the service life of the preposed filter plate is prolonged, the use cost of the air purifier is saved, manual cleaning is not needed, the disassembly and assembly of the air purifier are reduced, and the service life of the air purifier is prolonged.)

1. The utility model provides a domestic air purifier, includes controller, shell (1), fan and filter plate, its characterized in that: a cleaning mechanism is arranged in the shell (1), and comprises a front filter plate (11), an electric push rod (12), a brush (13), a liquid storage box (14), a liquid outlet (15) and a hinged plate (16); a front filter plate (11) is fixedly connected between the inner walls of the shell (1), and an electric push rod (12) is embedded on the inner bottom wall of the shell (1) and close to the front filter plate (11); a piston rod of the electric push rod (12) is fixedly connected with a brush (13); the top of the shell (1) is fixedly connected with a liquid storage box (14); a liquid outlet (15) communicated to the liquid storage box (14) is formed in the top of the shell (1); a hinged plate (16) is hinged between the inner walls of the liquid storage box (14), the hinged plate (16) is positioned at the upper port of the liquid outlet (15), and the area of the hinged plate (16) is larger than that of the liquid outlet (15); the bottom of the hinged plate (16) is fixedly connected with one end of a tension spring (17); the other end of the tension spring (17) is embedded into the top of the shell (1); the top of the brush (13) is fixedly connected with a mandril (18); the top end of the ejector rod (18) corresponds to the position of the hinge plate (16).

2. A domestic air purifier as claimed in claim 1, wherein: the brush (13) is provided with a cleaning opening (2); the cleaning openings (2) are wrapped on the surfaces of two sides of the front filter plate (11).

3. A domestic air purifier as claimed in claim 2, wherein: an electric heating piece (21) is embedded at one side of the brush (13) close to the front filter plate (11).

4. A domestic air purifier as claimed in claim 3, wherein: the inner wall of the cleaning opening (2) is directly and fixedly connected with an elastic rod (22); one end of the elastic rod (22) close to the front filter plate (11) is fixedly connected with a counterweight ball (23); the counterweight ball (23) is in contact with the front filter plate (11).

5. A domestic air purifier as claimed in claim 4, wherein: one side of the shell (1) is connected with a collecting box (3) in a sliding manner, and the inner bottom wall of the shell (1) and two sides of the front filter plate (11) are both provided with a flow guide groove (31); and a guide pipe (32) is communicated between the guide groove (31) and the collection box (3).

6. An air purification method is characterized in that: the method is applied to a home air cleaner as claimed in any one of claims 1 to 5, the method comprising the steps of:

s1: when the air quality does not reach the standard, the power supply of the air purifier is switched on, the air purifier is controlled to start through the controller, the fan sucks the air with the external quality not reaching the standard into the shell (1), and the air is sequentially filtered and sterilized through the multistage filter plates and then is discharged;

s2: when the cleaning device is used in an environment with high oil-smoke content in air, the air purifier cleans the preposed filter plate (11) for 3-5 min through the cleaning mechanism every 72-96 h, the air purifier is stopped when the cleaning device is used, the controller controls the electric push rod (12) to start, the electric push rod (12) drives the brush (13) to clean the surface of the preposed filter plate (11), and the electric push rod (12) drives the ejector rod (18) to jack up the hinged plate (16) when the electric push rod (12) works, so that a detergent in the liquid storage box (14) flows onto the preposed filter plate (11) along the liquid outlet (15), and the brush (13) can more effectively scrub the preposed filter plate (11);

s3: after brushing, the detergent flows into the collection box (3) through the diversion trench (31) and the diversion pipe (32) in sequence, standing for 2-3 min to completely discharge the detergent in the shell (1), and then the user pulls out the collection box (3) to clean the detergent in the collection box (3).

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to a household air purifier and an air purification method.

Background

An air purifier, also known as an air cleaner, an air freshener, and a purifier, is a product capable of adsorbing, decomposing, or converting various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, and other decoration pollutants, bacteria, allergens, and the like), and effectively improving air cleanliness, and is mainly classified into household, commercial, industrial, and building. Common air purification techniques are: adsorption technology, negative (positive) ion technology, catalytic technology, photocatalyst technology, superstructure mineralization by light technology, HEPA high efficiency filtration technology, electrostatic precipitation technology, etc.; the material technology mainly comprises the following steps: photocatalyst, active carbon, synthetic fiber, HEPA high-efficiency material, negative ion generator and the like. The existing air purifier is mostly of a composite type, namely, a plurality of purification technologies and material media are adopted at the same time.

As in application No.: CN 202010631208.9's an air purifier, including casing, fan module, filter module, sterilization module and block the subassembly. The filtering module and the fan module are arranged in the filtering channel, and the sterilizing module is arranged in the sterilizing channel. The opposite two ends of the sterilization channel are communicated with the filtering channel, a first air opening and a second air opening are formed at the communication position of the sterilization channel and the filtering channel, and the filtering module is positioned between the first air opening and the second air opening. The blocking assembly is arranged on one side of the first air opening back to the second air opening and/or one side of the second air opening back to the first air opening; this technical scheme is more in the oil smoke in the kitchen, and when using in the relatively poor environment of air quality, can adhere to a large amount of oil smoke on the filter plate, influence the gas permeability of filter plate, reduce air purifier to the purification efficiency and the purifying effect of air.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a household air purifier and an air purification method, which solve the problems that the oil smoke is more and the air quality is poorer in a kitchen in daily life, and when the air quality of the kitchen and the position close to the kitchen is improved through the air purifier, a large amount of oil smoke is attached to a filter plate, the air permeability of the filter plate is influenced, and the air purification efficiency and the air purification effect of the air purifier are reduced.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a household air purifier which comprises a controller, a shell, a fan and a filter plate, wherein a cleaning mechanism is arranged in the shell and comprises a front filter plate, an electric push rod, a brush, a liquid storage box, a liquid outlet and a hinged plate; the inner wall of the shell is fixedly connected with a front filter plate, and an electric push rod is embedded on the inner bottom wall of the shell and close to the front filter plate; a brush is fixedly connected to a piston rod of the electric push rod; the top of the shell is fixedly connected with a liquid storage box; the top of the shell is provided with a liquid outlet communicated to the liquid storage box; a hinged plate is hinged between the inner walls of the liquid storage box and is positioned at the upper port of the liquid outlet, and the area of the hinged plate is larger than that of the liquid outlet; the bottom of the hinged plate is fixedly connected with one end of a tension spring; the other end of the tension spring is embedded into the top of the shell; the top of the brush is fixedly connected with a mandril; the top end of the ejector rod corresponds to the position of the hinged plate;

in the prior art, the oil smoke is more and the air quality is poorer in daily kitchen, and when the air quality of the kitchen and the position close to the kitchen is improved through the air purifier, a large amount of oil smoke is attached to the filter plate, so that the air permeability of the filter plate is influenced, and the air purifying efficiency and the air purifying effect of the air purifier are reduced;

the invention arranges a cleaning mechanism; filling a proper amount of detergent in the liquid storage box, stopping using the air purifier when the air purifier has poor using effect, then controlling an electric push rod to start through a controller, driving a brush to reciprocate along the surface of the front filter plate by the electric push rod, enabling the brush to be arranged on one side, close to an air inlet of the air purifier, of the front filter plate, namely the windward side of the front filter plate, so as to clean oil smoke and impurities attached to the surface of the front filter plate, enabling the detergent in the liquid storage box to flow out along a liquid outlet by driving an ejector rod on the brush to jack up a hinged plate by the electric push rod when the electric push rod moves upwards to the maximum stroke, enabling the detergent in the liquid storage box to flow out along the liquid outlet, arranging an inclined plane inclined towards the front filter plate at the top of the brush, enabling the horizontal height on the inclined plane, close to the brush, to be lower than the horizontal height on the inclined plane far away from the front filter plate, and enabling the detergent in the liquid outlet to flow onto the front filter plate and the brush along the inclined plane, the utilization rate of the detergent is improved, the cleaning effect of the brush on the oil smoke on the preposed filter plate is improved through the detergent, the purification efficiency and the purification effect of the air purifier on the controller are improved, the service life of the preposed filter plate is prolonged, the use cost of the air purifier is saved, manual cleaning is not needed, the disassembly and assembly of the air purifier are reduced, the service life of the air purifier is prolonged, when the electric push rod drives the ejector rod to move downwards, the tension spring is shortened under the action of elasticity to drive the hinged plate to reset, the hinged plate covers the liquid outlet, the detergent in the liquid storage box does not flow out any more, the cleaning strength of the preposed filter plate is judged according to the purification effect of the air purifier, when the purification effect of the air purifier is poor, the controller controls the electric push rod to stay at the maximum stroke for a longer time, the flowing amount of the detergent is increased, and the use amount of the detergent is controlled, the cleaning force is improved, the cleaning effect is improved, the waste of the detergent is reduced, and the water outlet is formed in the inner wall of the shell, so that the washed detergent can be discharged through the water outlet.

Preferably, the brush is provided with a cleaning opening; the cleaning openings are wrapped on the surfaces of the two sides of the front filter plate; the during operation, the brush hair setting of brush is on the inner wall of clean mouthful, make the brush when cleaning leading filter plate, can be simultaneously to the windward one side and the leeward one side cleanness of leading filter plate, make and see through oil smoke and impurity that leading filter plate adheres to on one side of the leeward of leading filter plate also can be cleaned, thereby improve the cleaning efficiency and the clean effect to leading filter plate, improve the gas permeability of leading filter plate, improve the life of leading filter plate, reduce the change of leading filter plate, reduce the influence of oil smoke to air purifier result of use, practice thrift air purifier's use cost, gap department between leading filter plate and shell sets up the organ protection casing, prevent that the filtered air of not through leading filter plate from passing through gap department between filter plate and the shell.

Preferably, an electric heating piece is embedded at one side of the brush close to the front filter plate; the during operation, the brush hair on brush and the brush is the metal material that heat conductivility is good, wherein the brush hair is the softer copper of material, when cleaning leading filter plate, through the heating of controller control electric heat piece, make the heat from the electric heat piece on transmit to brush board and brush hair, can melt the greasy dirt that condenses into the piece on the leading filter plate, thereby improve the cleaning efficiency and the clean effect to leading filter plate, improve the gas permeability of leading filter plate, improve the life of leading filter plate, thereby improve air purifier's result of use.

Preferably, the inner wall of the cleaning opening is directly and fixedly connected with an elastic rod; one end of the elastic rod close to the front filter plate is fixedly connected with a counterweight ball; the counterweight ball is contacted with the front filter plate; when the cleaning brush is used for cleaning the front filter plate, the brush drives the elastic rod to move, the elastic rod drives the counterweight ball to move along the surface of the front filter plate, filter holes are formed in the front filter plate, the surface of the front filter plate is uneven, the counterweight ball on the elastic rod swings along with the surface fluctuation of the front filter plate when moving on the surface of the front filter plate, the counterweight ball knocks the surface of the front filter plate, attached oil stains and impurities on the front filter plate are loosened, the cleaning efficiency and the cleaning effect of the front filter plate are improved, the air permeability of the front filter plate is improved, the service life of the front filter plate is prolonged, the bristles can be flapped when the counterweight ball swings, the impurities on the bristles fall off, the adhesion of the impurities on the bristles is reduced, and the cleaning effect of the bristles is improved.

Preferably, one side of the shell is connected with a collecting box in a sliding manner, and the inner bottom wall of the shell and two sides of the front filter plate are both provided with flow guide grooves; a flow guide pipe is communicated between the flow guide groove and the collecting box; during operation, detergent after the cleanness loops through guiding gutter and honeycomb duct and flows in collecting the box, and the user can take out and collect the box and clear up the detergent in to collecting the box, conveniently cleans air purifier, is equipped with the solenoid valve in the honeycomb duct, and at air purifier during operation, closes through controller control solenoid valve, prevents that the air from letting in through guiding gutter and honeycomb duct and collects box department to improve the volume that the air passes through the filter plate, improve purification efficiency and purifying effect to the air.

The invention relates to an air purification method, which comprises the following steps:

s1: when the air quality does not reach the standard, the power supply of the air purifier is switched on, the air purifier is controlled to start through the controller, the fan sucks the air with the external quality not reaching the standard into the shell, and the air is sequentially filtered and sterilized through the multistage filter plates and then is discharged;

s2: when the cleaning device is used in an environment with high oil smoke content in the air, the air purifier cleans the front filter plate for 3-5 min through the cleaning mechanism every 72-96 h, the air purifier stops being used during cleaning, the controller controls the electric push rod to start, the electric push rod drives the brush to clean the surface of the front filter plate, and the electric push rod drives the ejector rod to jack the hinged plate during working, so that a detergent in the liquid storage box flows onto the front filter plate along the liquid outlet, and the brush can more effectively scrub the front filter plate;

s3: after the washing, the detergent flows into the collecting box through the diversion trench and the diversion pipe in sequence, and after the washing is finished and the detergent in the shell is discharged after standing for 2-3 min, the user draws out the collecting box to clean the detergent in the collecting box.

The invention has the following beneficial effects:

1. according to the household air purifier and the air purification method, the cleaning mechanism is arranged, so that the purification efficiency and the purification effect of the air purifier on the controller are improved, the service life of the preposed filter plate is prolonged, the use cost of the air purifier is saved, manual cleaning is not needed, the disassembly and assembly of the air purifier are reduced, and the service life of the air purifier is prolonged.

2. According to the household air purifier and the air purification method, the electric heating sheet is arranged, so that oil stains condensed on the front filter plate can be melted, the cleaning efficiency and the cleaning effect of the front filter plate are improved, the air permeability of the front filter plate is improved, the service life of the front filter plate is prolonged, and bacteria attached to the surface of the front filter plate can be killed during heating, so that the using effect of the air purifier is improved.

3. The invention relates to a household air purifier and an air purifying method, wherein a counterweight ball is arranged, the counterweight ball on an elastic rod swings along with the surface fluctuation of a front filter plate, so that the counterweight ball knocks the surface of the front filter plate, oil stain and impurities attached to the front filter plate are loosened, the cleaning efficiency and the cleaning effect of the front filter plate are improved, the air permeability of the front filter plate is improved, and the service life of the front filter plate is prolonged.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of the structure of the brush of the present invention;

FIG. 4 is a flow chart of a method of the present invention;

in the figure: 1. a housing; 11. a front filter plate; 12. an electric push rod; 13. a brush; 14. a liquid storage box; 15. a liquid outlet; 16. a hinge plate; 17. a tension spring; 18. a top rod; 2. cleaning the mouth; 21. an electric heating sheet; 22. an elastic rod; 23. a counterweight ball; 3. a collection box; 31. a diversion trench; 32. and a flow guide pipe.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the household air purifier of the present invention comprises a controller, a housing 1, a fan and a filter plate, wherein a cleaning mechanism is arranged in the housing 1, and the cleaning mechanism comprises a front filter plate 11, an electric push rod 12, a brush 13, a liquid storage box 14, a liquid outlet 15 and a hinge plate 16; a front filter plate 11 is fixedly connected between the inner walls of the shell 1, and an electric push rod 12 is embedded on the inner bottom wall of the shell 1 and close to the front filter plate 11; a piston rod of the electric push rod 12 is fixedly connected with a brush 13; the top of the shell 1 is fixedly connected with a liquid storage box 14; a liquid outlet 15 communicated to the liquid storage box 14 is formed in the top of the shell 1; a hinged plate 16 is hinged between the inner walls of the liquid storage box 14, the hinged plate 16 is positioned at the upper port of the liquid outlet 15, and the area of the hinged plate 16 is larger than that of the liquid outlet 15; the bottom of the hinged plate 16 is fixedly connected with one end of a tension spring 17; the other end of the tension spring 17 is embedded in the top of the shell 1; the top of the brush 13 is fixedly connected with a mandril 18; the top end of the ejector rod 18 corresponds to the position of the hinge plate 16;

in the prior art, the oil smoke is more and the air quality is poorer in daily kitchen, and when the air quality of the kitchen and the position close to the kitchen is improved through the air purifier, a large amount of oil smoke is attached to the filter plate, so that the air permeability of the filter plate is influenced, and the air purifying efficiency and the air purifying effect of the air purifier are reduced;

the invention arranges a cleaning mechanism; filling a proper amount of detergent in the liquid storage box 14, stopping the air purifier when the air purifier has poor use effect, then controlling the electric push rod 12 to start through the controller, the electric push rod 12 driving the brush 13 to reciprocate along the surface of the preposed filter plate 11, the brush 13 being arranged at one side of the preposed filter plate 11 close to the air inlet of the air purifier, namely the windward side of the preposed filter plate 11, so as to clean the oil smoke and impurities attached to the surface of the preposed filter plate 11, when the electric push rod 12 moves upwards to the maximum stroke, the electric push rod 12 driving the ejector rod 18 on the brush 13 to jack up the hinged plate 16, so that the detergent in the liquid storage box 14 flows out along the liquid outlet 15, the top of the brush 13 is provided with an inclined plane inclined towards the preposed filter plate 11, and the horizontal height of the inclined plane close to the brush 13 is lower than the horizontal height of the inclined plane far away from the preposed filter plate 11, so that the detergent in the liquid outlet 15 flows onto the preposed filter plate 11 and the brush 13 along the inclined plane, the utilization rate of the detergent is improved, the cleaning effect of the brush 13 on the oil smoke on the preposed filter plate 11 is improved through the detergent, the purification efficiency and the purification effect of the air purifier on the controller are improved, the service life of the preposed filter plate 11 is prolonged, the use cost of the air purifier is saved, manual cleaning is not needed, the disassembly and the assembly of the air purifier are reduced, the service life of the air purifier is prolonged, when the electric push rod 12 drives the ejector rod 18 to move downwards, the tension spring 17 shortens to drive the hinged plate 16 to reset under the action of elastic force, the hinged plate 16 covers the liquid outlet 15, the detergent in the liquid storage box 14 does not flow out any more, the cleaning force on the preposed filter plate 11 is judged according to the purification effect of the air purifier, when the purification effect of the air purifier is poor, the controller controls the electric push rod 12 to stay at the maximum stroke for a longer time, and the detergent flows out more, therefore, the using amount of the detergent is controlled, the cleaning force is improved, the cleaning effect is improved, the waste of the detergent is reduced, and the water outlet is formed in the inner wall of the shell 1, so that the washed detergent can be discharged through the water outlet.

As an embodiment of the present invention, the brush 13 is provided with a cleaning opening 2; the cleaning port 2 is wrapped on the two side surfaces of the front filter plate 11; when the air purifier works, the bristles of the brushes 13 are arranged on the inner wall of the cleaning port 2, so that when the brushes 13 clean the preposed filter plate 11, the windward side and the leeward side of the preposed filter plate 11 can be cleaned simultaneously, oil smoke and impurities attached to the leeward side of the preposed filter plate 11 through the preposed filter plate 11 can be cleaned completely, the cleaning efficiency and the cleaning effect of the preposed filter plate 11 are improved, the air permeability of the preposed filter plate 11 is improved, the service life of the preposed filter plate 11 is prolonged, the replacement of the preposed filter plate 11 is reduced, the influence of the oil smoke on the using effect of the air purifier is reduced, the using cost of the air purifier is saved, the organ protection cover is arranged at a gap between the preposed filter plate 11 and the shell 1, and air which is not filtered by the preposed filter plate 1 is prevented from passing through the gap between the filter plate 11 and the shell 1.

As an embodiment of the invention, an electric heating sheet 21 is embedded in one side of the brush 13 close to the front filter plate 11; the during operation, the brush hair on brush 13 and the brush 13 is the metal material that the heat conductivility is good, wherein the brush hair is the softer copper of material, when leading filter plate 11 is clean, through the heating of controller control electric heat piece 21, make the heat from electric heat piece 21 go up transmit to brush board and brush hair on, can melt the greasy dirt of the last agglomeration that condenses of leading filter plate 11, thereby improve cleaning efficiency and clean effect to leading filter plate 11, improve the gas permeability of leading filter plate 11, improve the life of leading filter plate 11, thereby improve air purifier's result of use.

As an embodiment of the invention, the inner wall of the cleaning opening 2 is directly fixedly connected with an elastic rod 22; one end of the elastic rod 22 close to the front filter plate 11 is fixedly connected with a counterweight ball 23; the counterweight ball 23 is contacted with the front filter plate 11; when the device works, when the brush 13 cleans the preposed filter plate 11, the brush 13 drives the elastic rod 22 to move, the elastic rod 22 drives the counterweight ball 23 to move along the surface of the preposed filter plate 11, the preposed filter plate 11 is provided with filter holes, the surface of the front filter plate 11 is uneven, so that when the counterweight balls 23 move on the surface of the front filter plate 11, the weight balls 23 on the elastic rods 22 rock along with the surface undulation of the front filter plate 11, so that the counterweight balls 23 knock the surface of the preposed filter plate 11, oil stains and impurities attached to the preposed filter plate 11 are loosened, thereby improving the cleaning efficiency and effect of the preposed filter plate 11, improving the air permeability of the preposed filter plate 11, prolonging the service life of the preposed filter plate 11, meanwhile, the counterweight balls 23 can beat the bristles while shaking, so that impurities on the bristles fall off, the adhesion of the impurities on the bristles is reduced, and the cleaning effect of the bristles is improved.

As an embodiment of the invention, one side of the housing 1 is slidably connected with the collection box 3, and the inner bottom wall of the housing 1 and both sides of the front filter plate 11 are provided with diversion trenches 31; a guide pipe 32 is communicated between the guide groove 31 and the collecting box 3; during operation, detergent after the cleanness loops through guiding gutter 31 and honeycomb duct 32 and flows in and collects in the box 3, the user can take out and collect the detergent of box 3 in to collecting the box 3 and clear up, conveniently clean air purifier, be equipped with the solenoid valve in the honeycomb duct 32, at air purifier during operation, close through controller control solenoid valve, prevent that the air from letting in through guiding gutter 31 and honeycomb duct 32 and collecting box 3 department, thereby improve the volume that the air passes through the filter plate, improve purification efficiency and the purifying effect to the air.

The invention relates to an air purification method, which comprises the following steps:

s1: when the air quality does not reach the standard, the power supply of the air purifier is switched on, the air purifier is controlled to start through the controller, the fan sucks the air with the external quality not reaching the standard into the shell 1, and the air is sequentially filtered and sterilized through the multistage filter plates and then is discharged;

s2: when the cleaning device is used in an environment with high oil and smoke content in air, the air purifier cleans the front filter plate 11 for 3-5 min through the cleaning mechanism every 72-96 h, the air purifier is stopped when the cleaning device is used, the electric push rod 12 is controlled to be started through the controller, the electric push rod 12 drives the brush 13 to clean the surface of the front filter plate 11, and the electric push rod 12 drives the ejector rod 18 to jack the hinged plate 16 when the electric push rod 12 is used, so that a detergent in the liquid storage box 14 flows onto the front filter plate 11 along the liquid outlet 15, and the brush 13 can more effectively scrub the front filter plate 11;

s3: after the washing, the detergent flows into the collecting box 3 through the diversion trench 31 and the diversion pipe 32 in sequence, and after the washing is finished by standing for 2-3 min to discharge the detergent in the shell 1, the user draws out the collecting box 3 to clean the detergent in the collecting box 3.

The specific working process is as follows:

filling a proper amount of detergent in the liquid storage box 14, stopping the air purifier when the air purifier has poor use effect, then controlling the electric push rod 12 to start through the controller, the electric push rod 12 driving the brush 13 to reciprocate along the surface of the preposed filter plate 11, the brush 13 being arranged at one side of the preposed filter plate 11 close to the air inlet of the air purifier, namely the windward side of the preposed filter plate 11, so as to clean the oil smoke and impurities attached to the surface of the preposed filter plate 11, when the electric push rod 12 moves upwards to the maximum stroke, the electric push rod 12 driving the ejector rod 18 on the brush 13 to jack up the hinged plate 16, so that the detergent in the liquid storage box 14 flows out along the liquid outlet 15, when the electric push rod 12 driving the ejector rod 18 to move downwards, the tension spring 17 shortens under the action of the spring to drive the hinged plate 16 to reset, so that the hinged plate 16 covers the liquid outlet 15, so that the detergent in the liquid storage box 14 does not flow out any more, judging the cleaning force of the preposed filter plate 11 according to the purifying effect of the air purifier, when the purifying effect of the air purifier is poor, controlling the electric push rod 12 to stay at the maximum stroke position for a longer time through the controller, so that the flowing amount of the detergent is more, and the using amount of the detergent is controlled, the bristles of the brush 13 are arranged on the inner wall of the cleaning port 2, so that when the brush 13 cleans the preposed filter plate 11, the windward side and the leeward side of the preposed filter plate 11 can be cleaned at the same time, so that the oil smoke and impurities attached to the leeward side of the preposed filter plate 11 through the preposed filter plate 11 can be cleaned, the electric heating sheet 21 is controlled by the controller to heat, so that the heat is transferred to the brush plate and the bristles from the electric heating sheet 21, the oil stain condensed on the preposed filter plate 11 can be melted, and when the brush 13 cleans the preposed filter plate 11, the brush 13 drives the elastic rod 22 to move, the elastic rod 22 drives the counterweight ball 23 to move along the surface of the front filter plate 11, the front filter plate 11 is provided with filter holes, so that the surface of the front filter plate 11 is uneven, when the counterweight ball 23 moves on the surface of the front filter plate 11, the counterweight ball 23 on the elastic rod 22 swings along with the surface fluctuation of the front filter plate 11, so that the counterweight ball 23 knocks the surface of the front filter plate 11, oil stain and impurities attached to the front filter plate 11 are loosened, meanwhile, the counterweight ball 23 can flap bristles while swinging, impurities on the bristles fall off, the adhesion of the impurities on the bristles is reduced, the cleaned detergent flows into the collection box 3 through the diversion groove 31 and the diversion pipe 32 in sequence, a user can draw out the collection box 3 to clean the detergent in the collection box 3, the diversion pipe 32 is internally provided with an electromagnetic valve, when the air purifier works, the electromagnetic valve is controlled to be closed by the controller, air is prevented from being introduced into the collecting box 3 through the guide groove 31 and the guide pipe 32.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.