CN214249892U

CN214249892U - Air purifier

Info

Publication number: CN214249892U
Application number: CN202022562036.2U
Authority: CN
Inventors: 杨卫星; 杨杰; 程炳坤; 张宏莉; 曹达华
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-09-21
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses an air purifier, include: the dust removal module is used for filtering dust flowing through air; a clean gas module having oxides of manganese thereon; and the fan module is used for driving airflow to sequentially pass through the dust removal module and the gas purification module. According to the utility model discloses air purifier can all have better filter effect to materials such as micronic dust granule in the air and formaldehyde.

Description

Air purifier

Technical Field

The utility model belongs to the technical field of air purification equipment and specifically relates to an air purifier is related to.

Background

Among the correlation technique, air purifier all adopts the current air purifier of filter screen filtration formula purification scheme's whole technical scheme can only better carry out the purification of filtration formula to the dust granule in the air, and is relatively poor to harmful substance's such as formaldehyde filter effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an air purifier, according to the utility model discloses an air purifier can all have better filter effect to materials such as micronic dust granule in the air and formaldehyde.

According to the utility model discloses an air purifier, include: the dust removal module is used for filtering dust flowing through air; a clean gas module having oxides of manganese thereon; and the fan module is used for driving airflow to sequentially pass through the dust removal module and the gas purification module.

According to the utility model discloses an air purifier can inhale inside air purifier with the outside air through the fan module to pass dust removal module and air-purifying module in proper order, make dust removal module realize the filtration to the dust particle in the outside air, the air-purifying module is through the oxides of manganese that is equipped with on it, has realized the catalytic oxidation filter effect to harmful gas such as formaldehyde in the outside air, and then makes the air purifier of the embodiment can all have better filter effect to harmful gas such as dust particle thing and formaldehyde.

Additionally, according to the utility model discloses an air purifier can also have following additional technical characterstic:

in some embodiments of the present invention, the dust removal module comprises: a corona module having a corona discharge region; the electrostatic purification module, the electrostatic purification module includes: the dust collecting device comprises a base and at least two dust collecting plates, wherein the dust collecting plates are arranged on the base, the at least two dust collecting plates comprise positive plates and negative plates, and the positive plates and the negative plates are arranged at intervals to form an electric field between the positive plates and the negative plates.

In some embodiments of the present invention, at least one of the dust collecting plates is detachably connected to the base.

In some embodiments of the present invention, the number of the positive electrode plates and the number of the negative electrode plates of the electrostatic purification module are plural, and the number of the positive electrode plates and the number of the negative electrode plates are alternately arranged, and each of the negative electrode plates is detachably connected to the base.

In some embodiments of the present invention, a plurality of the positive plates are connected to each other by an end plate.

In some embodiments of the present invention, the base has a cartridge, the cartridge includes: the dust collector comprises a conductive metal rod and an insulating protective sleeve, wherein the conductive metal rod is provided with a clamping groove for clamping the dust collecting plate, and the insulating protective sleeve is sleeved on the conductive metal rod.

In some embodiments of the present invention, the purge module comprises: the filter screen comprises a catalytic degradation filter screen layer, and the catalytic degradation filter screen layer comprises an air-permeable substrate and the manganese oxide loaded on the air-permeable substrate.

In some embodiments of the present invention, the air permeable substrate is a non-woven fabric, and 60% -80% of the manganese oxide particles are bridged between three or more skeleton fibers of the non-woven fabric.

In some embodiments of the present invention, the gas permeable substrate has a plurality of filter pores, and at least a portion of the manganese oxide is attached to an inner wall of the filter pores.

In some embodiments of the present invention, the catalytic degradation filter screen layer is an aldehyde-removing non-woven fabric formed by blending the manganese oxide with a thermoplastic polymer resin and then spinning, and the content of the manganese oxide is 30-60%.

In some embodiments of the present invention, the catalytic degradation filter screen layer is corrugated.

In some embodiments of the present invention, the air permeable substrate is at least one of a polypropylene fiber layer, a polyethylene terephthalate fiber layer, a polytetrafluoroethylene fiber layer, a cellulose fiber layer, a ceramic fiber layer, a glass fiber layer, and a metal fiber layer.

In some embodiments of the present invention, the particle size d of the manganese oxide is in the range of 0 < d ≦ 10 μ M, and the amount of manganese oxide adsorbed on the gas permeable substrate M is in the range of 30g/M²Less than M and less than or equal to 200g/M²。

In some embodiments of the present invention, the filter screen further comprises a dust removal filter screen layer, and the windward side of the catalytic degradation filter screen layer is provided with at least one layer of the dust removal filter screen layer.

In some embodiments of the present invention, the dust-removing filter layer is at least one of a polypropylene fiber layer, a nylon fiber layer, a polyethylene terephthalate fiber layer, a polytetrafluoroethylene fiber layer, a cellulose fiber layer, a glass fiber layer, and a metal fiber layer.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of an air purifier according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an air purifier according to an embodiment of the present invention;

fig. 3 is a front view of an electrostatic purification module according to an embodiment of the present invention;

fig. 4 is an exploded view of a structure of a cartridge of an electrostatic purification module according to an embodiment of the present invention;

fig. 5 is a front view of a positive plate of an electrostatic purification module according to an embodiment of the present invention;

fig. 6 is a schematic view of skeleton fibers of an embodiment of a filter screen of an air purifier according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an aldehyde-removing filter screen and a high-efficiency filter screen of a filter screen of an air purifier according to an embodiment of the present invention;

fig. 8 is a schematic view illustrating an assembly structure of an aldehyde-removing filter net and a high-efficiency filter net according to an embodiment of a filter net of an air purifier according to the present invention;

fig. 9 is a schematic structural view of a filter hole of the air permeable substrate of the filter screen of the air purifier according to the embodiment of the present invention;

fig. 10 is a schematic view of a filter hole of the air permeable substrate according to an embodiment of the filter screen of the air purifier according to the present invention;

fig. 11 is a schematic view of a filter hole of the air permeable substrate according to an embodiment of the filter screen of the air purifier according to the present invention;

fig. 12 is a schematic view of skeleton fibers of an embodiment of a filter screen of an air purifier according to an embodiment of the present invention;

FIG. 13 is an enlarged view of the structure of FIG. 12 at A;

fig. 14 is a front view of an embodiment of a filter screen of an air purifier according to an embodiment of the present invention;

fig. 15 is a front view of still another embodiment of a filter screen of an air purifier according to an embodiment of the present invention;

fig. 16 is a front view of still another embodiment of a filter screen of an air purifier according to an embodiment of the present invention;

fig. 17 is a front view of still another embodiment of a filter screen of an air purifier according to an embodiment of the present invention.

Reference numerals:

an air purifier 1000;

a dust removal module 100;

an electrostatic cleaning module 10;

a base 1; a card holder 11; a conductive metal rod 111; a card slot 1111; an insulating protective sheath 112;

a dust collecting plate 2; a positive electrode plate 21; a negative electrode plate 22; an end plate 23;

a corona module 20; a corona discharge region 4;

a gas purification module 200; a filter screen 30; a filter screen layer 5; a dust-removing screen layer 51; a catalytic degradation screen layer 52; a breathable substrate 521; a filter hole 5211; skeleton fibers 5212; an aldehyde removal screen 522; a high efficiency filter screen 523; an adhesive layer 524;

a fan module 300;

a primary filter screen 40;

an air quality detection sensor 50;

a complete machine control system 60; a display screen 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An air purifier 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 17.

According to the utility model discloses an air purifier 1000, include: dust removal module 100, net gas module 200 and fan module 300, outside air passes through dust removal module 100 and net gas module 200 in proper order, realizes air purification's purpose, discharges via fan module 300 at last to the realization is with the air discharge after purifying in the external environment.

Specifically, according to the embodiment of the present invention, the dust removal module 100 is used for filtering dust in the air flowing through, and the clean air module 200 has oxides of manganese thereon. That is to say, the dust removal module 100 can filter substances such as dust particles in the air, and the gas purification module 200 is provided with manganese oxide, which has catalytic oxidation effect, so that harmful gases such as formaldehyde or ozone in the air can be filtered by catalytic oxidation, and the air purifier 1000 with the dust removal module 100 and the gas purification module 200 can have good filtering effect on harmful gases such as dust particles or formaldehyde.

Still be equipped with fan module 300 in air purifier 1000, fan module 300 is used for driving the air current to pass dust removal module 100 and net gas module 200 in proper order. The fan module 300 can provide power for the air purifier 1000, can suck the outside air into the air purifier 1000, and discharge the filtered air into the air purifier 1000, thereby realizing the filtering effect of the air purifier 1000 on the outside air.

According to the utility model discloses air purifier 1000 can inhale outside air inside air purifier 1000 through fan module 300 to pass dust removal module 100 and gas purification module 200 in proper order, make dust removal module 100 realize the filtration to the dust particle in the outside air, gas purification module 200 is through the oxides of manganese that is equipped with on it, has realized the catalytic oxidation filter effect to harmful gas such as formaldehyde in the outside air, and then makes the air purifier 1000 of embodiment can all have better filter effect to harmful gas such as dust particle thing and formaldehyde.

As shown in fig. 1 to 2, the dust removal module 100 includes: a corona module 20 and an electrostatic cleaning module 10. The corona module 20 has a corona discharge region 4, and the corona discharge region 4 of the corona module 20 can discharge the external air flowing therethrough.

Specifically, as shown in fig. 1, the fan module 300 is used to drive the air flow through the dust removing module 100, so that the air passes through the corona module 20 and the electrostatic cleaning module 10 in the dust removing module 100. The fan module 300 can make the outside air flow into the air purifier 1000 through wind force, and then through the purification effect of the air purifier 1000, make the air purifier 1000 discharge pure air.

As shown in fig. 3 to 5, the electrostatic purification module 10 includes: the dust collecting device comprises a base 1 and at least two dust collecting plates 2, wherein the dust collecting plates 2 are arranged on the base 1, the at least two dust collecting plates 2 comprise positive plates 21 and negative plates 22, and the positive plates 21 and the negative plates 22 are arranged at intervals so as to form an electric field between the positive plates 21 and the negative plates 22.

In other words, the dust collecting plate 2 includes the positive electrode plate 21 having positive electricity and the negative electrode plate 22 having negative electricity, and an electric field is formed between the positive electrode plate 21 and the negative electrode plate 22 by the cooperation between the positive electrode plate 21 and the negative electrode plate 22, thereby having an effect of adsorbing charged particles.

As shown in fig. 3, at least two dust collecting plates 2 are disposed on the base 1, that is, at least one positive electrode plate 21 with positive electricity and one negative electrode plate 22 with negative electricity are disposed on the base 1, so that at least one electric field can be formed on the base 1, and the electrostatic cleaning module 10 can absorb charged particles. And can make the electrostatic purification module 10 can adsorb the electrified dust particle in the air to adopt the form of dust collecting plate 2, be different from the form that the granule adopted the filter screen in the filtered air in the past, consequently need not change the filter screen, reduced the consumption of material and also do not have the replacement expense of filter screen, realized the electrostatic purification technique of no consumptive material.

Therefore, the utility model discloses air purifier 1000 does to the purification process of outside air, inhales outside air into air purifier 1000 through fan module 300, and the granule or the dust of mixing in the air behind corona module 20 receive corona discharge area 4's lotus electric effect after, can be adsorbed by negative plate 22. That is to say, fan module 300 passes through the fan, makes the inside that the outside air can flow into air purifier 1000 to make the outside air that mixes there are granule or dust pass through corona module 20 earlier, discharge through the granule or the dust that corona module 20 thoughtlessly has in the outside air, granule or dust after the electrification when passing through electrostatic purification module 10 can be adsorbed by negative plate 22 among the electrostatic purification module 10, realize the purification effect to the outside air from this.

Generally speaking, the utility model discloses air purifier 1000 inhales the inside back of air purifier 1000 with the outside air that has granule or dust through fan module 300, through corona discharge area 4 of corona module 20, receives behind corona discharge area 4's the lotus electric effect, makes granule or dust electrified, and then when through electrostatic purification module 10, electrified granule or dust can be adsorbed by negative plate 22 of electrostatic purification module 10, reach air purification's effect. And air purifier 1000 has the electrostatic purification module 10 of above-mentioned embodiment, therefore is different from the mode that the filter screen was filtered in the past, adopts the mode of electrostatic purification air, and electrostatic purification module 10 can realize using many times through wasing after adsorbing granule or dust, the real effect that reaches no consumptive material.

Further, as shown in fig. 3 and 4, at least one dust collection plate 2 is detachably attached to the base 1. That is, in the electrostatic purification module 10, the positive electrode plate 21 may be detachably provided on the base 1, or the negative electrode plate 22 may be detachably provided on the base 1. Both the positive electrode plate 21 and the negative electrode plate 22 may be detachably provided on the base 1. Can adsorb a large amount of charged particles or dust from this on collecting plate 2 after, through dismantling collecting plate 2 from base 1, can realize collecting plate 2 and wash, consequently can realize collecting plate 2's washing back, use repeatedly, need not to change, reduced the consumption and the change expense of material to collecting plate 2 adopts the detachable mode, is convenient for to collecting plate 2's clearance, whole easy operation, the implementation of being convenient for.

According to the utility model discloses air purifier 1000 through forming an electric field between positive plate 21 and the negative plate 22, has realized the absorption to electrified granule or dust in the air, has cancelled the mode of granule or dust in the filter air of filter screen 30 in the past. And at least one integrated board 2 detachable locates on base 1, consequently adsorb a large amount of dusts on dust collecting plate 2 after, can wash through dismantling dust collecting plate 2, convenient and fast has prevented breeding and the pollutant of bacterium and has piled up, has realized recycling of dust collecting plate 2 to cancel the filterable mode of filter screen, really accomplished no consumptive material.

Further, as shown in fig. 3, the electrostatic purification module 10 has a plurality of positive electrode plates 21 and a plurality of negative electrode plates 22, the plurality of positive electrode plates 21 and the plurality of negative electrode plates 22 are alternately disposed, and each negative electrode plate 22 is detachably connected to the base 1. Specifically, as shown in fig. 3, a plurality of positive electrode plates 21 and a plurality of negative electrode plates 22 are alternately disposed, so that one positive electrode plate 21 and one negative electrode plate 22 form an electric field, thereby having an ability to adsorb charged particles and dust. The positive electrode plates 21 and the negative electrode plates 22 cooperate to form a plurality of electric fields, thereby improving the ability of the electrostatic cleaning module 10 to adsorb charged particles or dust.

Further, through establishing negative plate 22 as being connected with base 1 that can dismantle, can be convenient for follow-up clearance to negative plate 22 to after negative plate 22 is dismantled, also be convenient for adjust the clearance of positive plate 21, the regularly clean electrostatic purification module 10 of being convenient for from this keeps the inside cleanliness factor of electrostatic purification module 10 lastingly, prevents that bacterial growing and dust from piling up.

As shown in fig. 5, a plurality of positive plates 21 are connected as an organic whole through end plate 23, and thus positive plates 21 can cooperate with negative plate 22 to form the electric field and adsorb electrified dust or particles, and set up a plurality of positive plates 21 into an organic whole structure through end plate 23, can wash a plurality of positive plates 21 simultaneously, and convenient and fast reduces the holistic cleaning process of positive plates 21, conveniently washs positive plates 21's quick.

As shown in fig. 4, the base 1 has a cartridge 11, and the cartridge 11 includes: the dust collector comprises a conductive metal rod 111 and an insulating protective sleeve 112, wherein a clamping groove 1111 for clamping the dust collecting plate 2 is arranged on the conductive metal rod 111, and the insulating protective sleeve 112 is sleeved on the conductive metal rod 111.

Specifically, as shown in fig. 4, the cassette 11 on the base 1 includes the conductive metal rod 111, and the conductive metal rod 111 can make the electrostatic purification module 10 after connecting external power supply, with electric current transmission to the conductive metal rod 111 on to the electric current can transmit to draw-in groove 1111 on, after a plurality of negative plates 22 and draw-in groove 1111 joint, can circular telegram, and then form high voltage electric field with the cooperation of a plurality of positive plates 21, the realization is to the absorption of charged particle or dust. The insulating protective sleeve 112 provided outside the cartridge 11 can prevent the conductive metal rod 111 from leaking electricity to the outside after being energized, and prevent the positive electrode plate 21 and the negative electrode plate 22 from generating spark discharge.

In the embodiment of the present invention, the negative plate 22 can be made of conductive alloy or conductive polymer material that is easy to clean and has outstanding oxidation resistance. Simultaneously, in order to facilitate the negative plate 22 by light dismantlement on the cassette 11, the overall structure of negative plate 22 can choose the plateform structure for use, negative plate 22 and draw-in groove 1111 joint of being convenient for from this. The joint department of negative plate 22 and draw-in groove 1111 joint can carry out abrasive treatment, can guarantee from this that negative plate 22 is connected the back with draw-in groove 1111, does not influence under the negative plate 22 electrically conductive performance's the prerequisite, also effectively prevents the wearing and tearing that negative plate 22 and the many times dismantlement of draw-in groove 1111 or joint caused.

Further, in the air purifier 1000 of the embodiment of the present invention, the surface of the positive plate 21 of the electrostatic purification module 10 is provided with an insulating material layer, that is, the surface of the positive plate 21 can be provided with an insulating material layer, so that the positive plate 21 and the negative plate 22 can be effectively prevented from generating spark discharge while the normal use of the positive plate 21 is ensured.

The utility model discloses air purifier 1000, gas purification module 200 includes: the filter screen 30 and the filter screen 30 comprise a catalytic degradation filter screen layer 52, wherein the catalytic degradation filter screen layer 52 comprises an air-permeable substrate 521 and manganese oxide loaded on the air-permeable substrate 521. Therefore, harmful substances such as formaldehyde in the air can be catalyzed and filtered through the manganese oxide arranged on the catalytic degradation filter screen layer 52.

In one embodiment of the present invention, the air permeable substrate 521 is a non-woven fabric, and 60% -80% of manganese oxide particles are bridged between three or more than three skeleton fibers 5212 of the non-woven fabric. As shown in fig. 6, the particles in fig. 6 are manganese oxide particles, the particle size D50 of the manganese oxide may be 100-500nm, the manganese oxide particles are attached to the outer surface of the non-woven polyester resin and penetrate through the middle of the skeleton fiber 5212 of the non-woven polyester resin; further, 60% -80% of manganese oxide particles can be bridged among three or more gathered non-woven fabric polyester resin skeleton fibers 5212, the distance between the skeleton fibers 5212 is 0-0.2mm, and the gathered density of the skeleton fibers 5212 is higher; only 2-5% of manganese oxide is loaded between two skeleton fibers 5212, and 0.01-2% of manganese oxide is loaded on a single skeleton fiber 5212.

As shown in fig. 6, the non-woven fabric may include a polypropylene non-woven fabric, a polyester resin non-woven fabric, a nylon non-woven fabric, a viscose non-woven fabric, an acrylic non-woven fabric, a high density polyethylene non-woven fabric, and a polyvinyl chloride non-woven fabric.

Preferably, a polyester resin non-woven fabric is selected as the breathable base material 521, the polyester resin is dry-spun, the diameter of the fiber yarn is 5-30um, and the gram weight of the non-woven fabric is 50-100g/m²(ii) a The fiber filaments are too thin or the gram weight is too light, the manganese oxide is easy to break in the loading process, the loading amount is low, the requirement is difficult to meet, and the produced catalytic degradation filter screen layer 52 is not enough in strength and is easy to deform; the diameter of the fiber is too thick or the gram weight is too high, the wind resistance of the non-woven fabric is very large, the air penetration resistance is larger after the manganese oxide is loaded, and the filtering efficiency cannot meet the requirement.

In addition, as shown in fig. 7, the nonwoven fabric polyester resin skeleton with manganese oxide is folded into an independent planar formaldehyde-removing filter screen 522, the high-efficiency filter screen 523 is folded into an independent planar filter screen, the included angle between two peaks is 5-30 degrees, and the two can be detachably overlapped and compounded.

As shown in fig. 8, the non-woven fabric polyester resin skeleton with manganese oxide and the polypropylene melt-blown fabric are compounded in a bonding manner, that is, the formaldehyde-removing filter screen 522 and the high-efficiency filter screen 523 are bonded by the bonding layer 524, the above composite screen folding machine is folded into a planar dust-removing and formaldehyde-removing filter screen, and the included angle between the two peaks is 5-30 °.

In another embodiment of the present invention, the air permeable substrate 521 has a plurality of filtering holes 5211, and at least a portion of the manganese oxide is attached to the inner walls of the filtering holes 5211. Specifically, as shown in fig. 9 to 11, a plurality of filter holes 5211 are formed in the air-permeable base 521, and manganese oxide is attached to the inner walls of the filter holes 5211. Therefore, when air passes through the filter holes 5211, the air can contact with the manganese oxide inside the filter holes 5211, and then the air can be filtered from gases such as formaldehyde in the air.

Preferably, as shown in fig. 11, the thickness of the manganese oxide on the inner surface of the filtering holes 5211 is gradually reduced from two sides to the middle of the holes, so that the contact degree between air and the manganese oxide is further promoted, and the efficiency of catalytic filtration of formaldehyde and other gases is improved.

As shown in fig. 9 to 11, for example, in the vertical direction of the filter holes 5211 in fig. 9 to 11, the maximum difference a of not less than 1mm exists between them. The maximum diameter of the filtering holes 5211 attached with the manganese oxide is b, and a/b is 1/100-1/5, so as to promote turbulence in the filtering holes 5211 after air passes through, enhance the contact probability of formaldehyde and other gases with the manganese oxide, and further improve the catalytic efficiency. Wherein the vertical direction is, for example, the up-down direction as shown in fig. 9-11.

In another embodiment of the present invention, the catalytic degradation filter screen layer 52 is an aldehyde-removing filter screen 522 formed by blending manganese oxide and thermoplastic polymer resin and then spinning, and the aldehyde-removing filter screen 522 is an aldehyde-removing nonwoven fabric composed of a plurality of fibers, for example, skeleton fiber 5212, and the content of manganese oxide is 30-60%. The content of 40-50% is preferably selected, so that the catalytic filtration of formaldehyde and other substances in the air can be effectively ensured, and the use cost of the manganese oxide can be effectively reduced.

The gram weight of the produced aldehyde-removing non-woven fabric is controlled to be 60-200g/m2, the thickness of the non-woven fabric is controlled to be 0.2-0.9mm, different gram weights and thicknesses can be produced according to the specific requirements on the formaldehyde removal efficiency, and the preferred gram weight is 90-160g/m²Preferably 0.3 to 0.7mm, and further 120g/m²Preferably 0.4 to 0.5.

Compared with the manganese oxide loaded by the processes of spraying, roller coating and the like, the polyester resin formaldehyde-removing non-woven fabric produced by the embodiment can not further increase the wind resistance of the catalytic degradation filter screen layer 52, and particularly when the polyester resin formaldehyde-removing non-woven fabric is applied to a purifier or a curtain, the ventilation of the product can not be influenced.

In yet another embodiment of the present invention, the catalytic degradation screen layer 52 is corrugated. As shown in fig. 16, the catalytic degradation filter layer 52 may be formed in a wave shape, so that the catalytic degradation filter layer 52 may have a larger filtering area for substances such as formaldehyde in the air and may have a better filtering effect for organic substances such as formaldehyde in the air.

The embodiment of the utility model provides an among the air purifier 1000, ventilative substrate 521 is at least one in polypropylene fiber layer, polyethylene terephthalate fiber layer, polytetrafluoroethylene fiber layer, cellulose fiber layer, ceramic fiber layer, glass fiber layer and the metal fiber layer.

Optionally, in the utility model discloses in the air purifier 1000, ventilative substrate 521 can be a layer of filter screen structure to ventilative substrate 521's one deck filter screen structure can be by one or several kinds of mixings in the above-mentioned fiber material, consequently, can mix one kind or several kinds of the ventilative substrate 521 that makes one kind have multiple fibre through mixing in with foretell multiple fibre, thereby can be directed against different service environment, cooperate with different fibre, realize the diversification of ventilative substrate 521.

It should be noted that those skilled in the art can combine the above-mentioned fiber materials into a fiber net structure, i.e. the catalytic degradation screen layer 52, by means of the prior art.

Further alternatively, in the air purifier 1000 according to the embodiment of the present invention, the air permeable substrate 521 may be a screen structure having a plurality of sub-layers, that is, the air permeable substrate 521 is formed by stacking a plurality of sub-layers, and the plurality of sub-layers may be one or more of the above fiber layers.

In other words, the multiple sub-layers of the air-permeable substrate 521 may be composed of one or more of the above fibers, for example, the air-permeable substrate 521 may have a three-sub-layer screen structure, and the three sub-layers may be formed by sequentially stacking a cellulose fiber layer, a glass fiber layer, and a metal fiber layer. As can be seen, the air-permeable base 521 can be made of various materials according to the actual needs, and thus has different effects and can provide a variety of dust-removing filter layers 51.

In the air cleaner 1000 of the embodiment of the present invention, the range of the particle diameter d of the manganese oxide is 0 < d ≤ 10 μ M, and the amount of the manganese oxide attached to the air permeable substrate 521 is M_{Attached with}In the range of 30g/m²＜M_{Attached with}≤200g/m²。

The amount M of manganese oxide carried_{Attached with}When the content is too low, the catalytic degradation efficiency of organic pollutants such as formaldehyde is low. Amount of manganese oxide carried M_{Attached with}When the manganese oxide is too high, the manganese oxide is too much accumulated and easily falls off from the air-permeable substrate 521, so that the manganese oxide is wasted, and in addition, the manganese oxide is large in loading amount, so that the utilization efficiency of the manganese oxide is low, and the overall cost of the filter screen 30 is high.

Furthermore, the embodiment of the present invention provides a manganese oxide which can be directly attached to the air permeable substrate 521 alone, in an optional embodiment of the air purifier 1000 provided by the present invention, the manganese oxide is blended with the raw material of the air permeable substrate 521 and then melt-spun, melt-blown, wet-spun or electrostatic-spun to realize the above-mentioned method. Or by uniformly distributing powder of manganese oxide on the air-permeable substrate 521 and then performing heat treatment; oxides of manganese may also be sandwiched between two gas permeable substrates 521.

Of course, the oxides of manganese may also be combined with other substances, such as substances that enhance the bonding of the oxides of manganese to the air-permeable substrate 521, such as adhesives, thereby attaching all or a portion of the oxides of manganese to the air-permeable substrate 521. The manganese oxide may be carried on the air-permeable substrate 521 in various ways, for example, by spraying, rolling, dipping, or spraying.

As shown in fig. 14-17, the filter screen 30 further includes a dust-removing filter screen layer 51, and at least one dust-removing filter screen layer 51 is disposed on the windward side of the catalytic degradation filter screen layer 52. In air purifier 1000, realize the suction to the outside air through fan module 300, make outside air get into inside air purifier 1000 to pass through corona module 20, electrostatic purification module 10 and filter screen 30 in proper order. The windward side of the catalytic degradation filter screen layer 52, that is, the air inlet side of the catalytic degradation filter screen layer 52 is provided with a dust removal filter screen layer 51, so that the outside air is filtered by the dust removal filter screen layer 51 and then is filtered by the catalytic degradation filter screen layer 52.

Therefore, the air passing through the filter screen 30 can be efficiently purified and has a good purification effect. The dust removal filter screen layer 51 of filter screen 30 can filter the micronic dust granule in the air, and catalytic degradation filter screen layer 52 can carry out catalytic degradation to harmful substance such as formaldehyde and filter to realized that filter screen 30 can promote filter screen 30's filter effect to the double filtration of noxious substance such as micronic dust granule in the air or formaldehyde.

In addition, at least one dust removal filter screen layer 51 is arranged on the windward side of the catalytic degradation filter screen layer 52, the dust removal filter screen layer 51 can firstly carry out primary filtration on micro dust particles and dust in the air, namely the dust removal filter screen layer 51 can effectively remove PM (2.5) pollutants in the air, the air-permeable base material 521 loaded with manganese oxide can effectively catalyze and degrade organic pollutants such as formaldehyde when the air passes through, and therefore the catalytic degradation filter screen layer 52 can effectively purify the air.

At least one dust removal filter screen layer 51 is arranged on the windward side of the catalytic degradation filter screen layer 52, so that particulate matters (such as dust, smoke dust, mine dust, sand dust, powder and the like) and organic pollutants which are not removed in the air can be prevented from covering the surface of the manganese oxide loaded on the air-permeable base material 521, and the performance of catalytic degradation of organic pollutants such as formaldehyde and the like by the manganese oxide is greatly attenuated.

Note that the arrows shown in fig. 14 to 17 indicate the flow direction of the air.

The embodiment of the utility model provides an among the air purifier 1000, dust removal filter screen layer 51 is at least one kind in polypropylene fiber layer, nylon fiber layer, polyethylene terephthalate fiber layer, polytetrafluoroethylene fiber layer, cellulose fiber layer, glass fiber layer and the metal fiber layer.

Optionally, in the embodiment of the present invention, the dust removing filter screen layer 51 may be a layer of filter screen structure, and the one layer of filter screen structure of the dust removing filter screen layer 51 may be formed by mixing one or more of the above fiber materials, so that one or more of the above fibers may be mixed to form a filter screen 30 with multiple fibers, thereby being capable of matching different fibers to different environments and achieving diversification of the dust removing filter screen layer 51.

It should be noted that those skilled in the art can combine the above-mentioned fiber materials into a fiber net structure, i.e., the dust removing screen layer 51, by means of the prior art.

Further alternatively, in the air cleaner 1000 according to the embodiment of the present invention, the dust-removing filter screen layer 51 may have a filter screen structure having a plurality of sub-layers, that is, the dust-removing filter screen layer 51 is formed by stacking a plurality of filter screen sub-layers, and the plurality of sub-layers may be one or more of the above fiber layers.

In other words, the multiple sublayers of the dusting screen layer 51 may be composed of one or more of the above fibers, for example, the dusting screen layer 51 may have a screen structure of three sublayers, and the three sublayers may be formed by sequentially stacking a cellulose fiber layer, a glass fiber layer, and a metal fiber layer. As can be seen, the dust removal filter screen layer 51 can be made of various materials according to the actual needs, and thus, different effects can be obtained, and the dust removal filter screen layer 51 can have various kinds.

As described above, the catalytic degradation filter screen layer 52 may be formed in a wave shape, and as shown in fig. 14, the dust removal filter screen layer 51 may be formed in a wave shape, so that the dust removal filter screen layer 51 may have a larger filtering area for fine dust particles in the air and may have a better filtering effect for the fine dust particles in the air. As shown in fig. 15, the dust removal filter screen layer 51 and the catalytic degradation filter screen layer 52 may be both wavy, so that the contact area between the dust removal filter screen layer 51 and the catalytic degradation filter screen layer 52 and the air may be larger, the fine dust particles in the air and the harmful substances such as formaldehyde in the air may be filtered more thoroughly, and the overall filtering effect of the filter screen 30 may be better.

In addition, as shown in fig. 17, the dust removal filter screen layer 51 and the catalytic degradation filter screen layer 52 are both of a planar structure, so that when the dust removal filter screen layer 51 and the catalytic degradation filter screen layer 52 have a good air purification effect, the usage amount of raw materials can be effectively reduced, and the dust removal filter screen layer 51 and the catalytic degradation filter screen layer 52 are both of a plate-shaped structure, so that the dust removal filter screen layer 51 and the catalytic degradation filter screen layer 52 can be conveniently produced and manufactured, and the overall volume of the filter screen 30 can be conveniently reduced.

The utility model discloses do not limit to this in the utility model discloses in the air purifier 1000 of the embodiment, corona module 20 produces when using, can produce partial ozone, and catalytic degradation filter screen layer 52 in this application can absorb the filtration to ozone.

The material of the catalytic degradation filter screen layer 52 as the catalyst can also be selected from other materials besides manganese oxide, for example, one or more of metal or transition zone non-metal oxide can be selected. Preferred are nano manganese oxide, nano titanium dioxide or a mixture of the two. In order to improve the catalytic performance of the catalyst, one or more noble metals such as palladium, platinum and gold can be selectively doped in the catalyst, and a graphene material can also be preferably added. The catalyst is preferably supported on an aluminum mesh, a glass fiber filter screen or a polyethylene terephthalate skeleton filter screen with high porosity.

As shown in fig. 1, on the air purifier 1000 of the embodiment of the present invention, a primary filter screen 40 may be further provided, the primary filter screen 40 may be disposed on the windward side of the corona module 20, so as to filter the hair, the batting, the flies, and other objects in the air, and the primary filter screen 40 may preferably be cleaned.

The utility model discloses among the air purifier 1000, be equipped with the air quality detection sensor 50 of installing on air purifier 1000 for detect indoor air quality. The air purifier further comprises a complete machine control system 60, wherein the complete machine control system 60 comprises a display screen 6 and a control circuit board (not shown in the figure), and the control circuit board is installed on the inner wall of the air purifier 1000 and is well protected by a circuit.

The air quality detection sensor 50 is connected with the complete machine control system 60, and the air quality detection sensor 50 can detect the temperature and humidity of the indoor environment, the content of pollutants such as particulate matters, formaldehyde and the like and transmit data to the complete machine control system 60. In particular, the overall control system 60 can adjust the working voltage of the electrostatic purification module 10 according to the content of the particulate matter and the indoor humidity, and can lower the working voltage when the content of the particulate matter is low or the indoor humidity is high, thereby ensuring the operation safety and controlling the generation of ozone. Preferably, the complete machine control system 60 can also control the rotating speed of the fan module 300 according to the particulate pollution condition, and save energy consumption under the condition of good quality of ambient air.

Of course, the whole machine control system 60 provided in the air purifier 1000 may also be designed to realize connection and cooperation with the dust collecting plate 2, and the functions of automatic locking and unlocking can be realized through the design on the dust collecting plate 2 and the clamping seat 11, so that the whole machine control system 60 can automatically lock and unlock the dust collecting plate 2, and thus, the negative plate 22 of the dust collecting plate 2 and the clamping seat 11 can be disassembled and cleaned without manual operation, and the difficulty of cleaning the dust collecting plate 2 is further reduced.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An air purifier, comprising:

the dust removal module is used for filtering dust flowing through air;

a clean gas module having oxides of manganese thereon;

the fan module is used for driving airflow to sequentially pass through the dust removal module and the air purification module;

the dust removal module includes:

a corona module having a corona discharge region;

the electrostatic purification module, the electrostatic purification module includes: the dust collecting device comprises a base and at least two dust collecting plates, wherein the dust collecting plates are arranged on the base and comprise positive plates and negative plates, and the positive plates and the negative plates are arranged at intervals to form an electric field between the positive plates and the negative plates; the base has a cartridge, the cartridge including: the dust collector comprises a conductive metal rod and an insulating protective sleeve, wherein the conductive metal rod is provided with a clamping groove for clamping the dust collecting plate, and the insulating protective sleeve is sleeved on the conductive metal rod.

2. The air cleaner of claim 1, wherein at least one of the dust collection plates is removably attached to the base.

3. The air cleaner of claim 1, wherein the plurality of positive electrode plates and the plurality of negative electrode plates of the electrostatic cleaning module are alternately disposed, and each of the plurality of negative electrode plates is detachably connected to the base.

4. The air cleaner of claim 3, wherein a plurality of the positive plates are integrally connected by an end plate.

5. The air purifier of claim 1, wherein the purge module comprises: the filter screen comprises a catalytic degradation filter screen layer, and the catalytic degradation filter screen layer comprises an air-permeable substrate and the manganese oxide loaded on the air-permeable substrate.

6. The air cleaner of claim 5, wherein the air-permeable substrate is a nonwoven fabric, and 60% to 80% of the particles of the manganese oxide are bridged between three or more skeleton fibers of the nonwoven fabric.

7. The air cleaner of claim 5, wherein the air-permeable substrate has a plurality of filter holes therein, and at least a portion of the manganese oxide is attached to inner walls of the filter holes.

8. The air purifier as claimed in claim 5, wherein the catalytic degradation filter screen layer is an aldehyde-removing non-woven fabric formed by blending the manganese oxide with a thermoplastic polymer resin and then spinning, and the content of the manganese oxide is 30-60%.

9. The air cleaner of claim 5, wherein the catalytic degradation screen layer is corrugated.

10. The air cleaner of claim 5, wherein the air-permeable substrate is at least one of a polypropylene fiber layer, a polyethylene terephthalate fiber layer, a polytetrafluoroethylene fiber layer, a cellulose fiber layer, a ceramic fiber layer, a glass fiber layer, and a metal fiber layer.

11. The air cleaner of any one of claims 5-10, wherein the manganese oxide has a particle size, d, in a range of 0 < d ≦ 10 μ ι η, and an amount of manganese oxide adsorbed on the air-permeable substrate, mconf, in a range of 30g/M2 < mconb ≦ 200 g/M2.

12. The air purifier of claim 5, wherein the filter screen further comprises a dust removal filter screen layer, and the windward side of the catalytic degradation filter screen layer is provided with at least one dust removal filter screen layer.

13. The air cleaner of claim 12, wherein the dust filter layer is at least one of a polypropylene fiber layer, a nylon fiber layer, a polyethylene terephthalate fiber layer, a polytetrafluoroethylene fiber layer, a cellulose fiber layer, a glass fiber layer, and a metal fiber layer.