CN116078157B - Air purifying device - Google Patents

Abstract

The application relates to an air purifying device which comprises a shell, a liquid storage part, a spraying component, a filtering component and a fan component, wherein the shell is provided with a containing cavity, a first opening and a second opening; the liquid storage piece is arranged in the accommodating cavity and is positioned between the first opening and the second opening; the spraying component is arranged in the accommodating cavity and is used for atomizing the liquid in the liquid storage piece to form spraying; the filter assembly is arranged in the accommodating cavity; the fan assembly is used for forming air flow in the direction from the first opening to the second opening or reverse air flow. When spray assembly forms the spraying with antiseptic solution, can be through the fan formed from first opening to second open-ended air current for spray droplet enters into filter assembly in, disinfects filter assembly, gets rid of the microorganism of filter assembly interception, prevents that filter assembly from inside breeding the bacterium, is favorable to improving filter assembly's efficiency and filtration quality.

Description

Air purifying device

Technical Field

The application relates to the technical field of air purification, in particular to an air purification device.

Background

With the improvement of living standard, people pay more attention to the improvement of air quality, so that the air purifier is required by people. In winter, people often close doors and windows, bacteria and viruses are not easy to spread due to the fact that air is not circulated in a closed public place, and human health is damaged due to the fact that indoor dust, formaldehyde and the like are easy to gather.

In the related art, the air purifier is applied to the fields of home, medical treatment and industry, and the home field uses a single-type household air purifier as a main stream product of the market. The main function is to remove particulate matters in the air, including allergen, indoor PM2.5, etc., and also to solve the problem of indoor, underground space and vehicle volatile organic air pollution caused by decoration or other reasons. The current device for purifying indoor air has single function, and cannot meet the requirements of air purification, sterilization, disinfection, humidification and the like.

Disclosure of Invention

Based on this, it is necessary to provide an air purifying device capable of purifying, humidifying and sterilizing indoor air, aiming at the problem that the existing air purifier has single function.

The technical scheme is as follows: the air purification device comprises a shell, a liquid storage piece, a spraying component, a filtering component and a fan component, wherein a containing cavity, a first opening and a second opening are formed in the shell, and the first opening and the second opening are communicated with the containing cavity; the liquid storage piece is arranged in the accommodating cavity and is positioned between the first opening and the second opening; the spraying component is arranged in the accommodating cavity and is used for atomizing the liquid in the liquid storage piece to form spraying; the filter assembly is arranged in the accommodating cavity and is positioned between the second opening and the liquid storage piece; the fan assembly is arranged in the accommodating cavity and is used for forming air flow from the first opening to the second opening or forming air flow from the second opening to the first opening.

In one embodiment, the fan assembly is located between the reservoir and the filter assembly.

In one embodiment, the air purifying device further comprises a grating piece, the liquid storage piece is provided with a liquid storage cavity and a fog discharging port, the fog discharging port is communicated with the liquid storage cavity, and the grating piece covers the fog discharging port.

In one embodiment, the spraying component comprises a spray head and an electrostatic high-voltage generator, the spray head is electrically connected with a high-voltage end of the electrostatic high-voltage generator, the grid piece is a conductive piece, a grounding end of the electrostatic high-voltage generator is electrically connected with the grid piece, and the spray head is used for atomizing liquid in the liquid storage cavity and forming spraying.

In one embodiment, the spray assembly further comprises a first adjusting member, the first adjusting member is disposed at a communication position between the spray head and the liquid storage member, and the first adjusting member is used for adjusting the flow rate of the liquid in the liquid storage cavity entering the spray head.

In one embodiment, the number of the spray heads is more than two, the spray heads are arranged in the liquid storage piece at intervals, and the spray heads are electrically connected with the high-voltage end of the electrostatic high-voltage generator.

In one embodiment, the spraying assembly comprises an electrostatic high-voltage generator, an atomizing sheet and an atomizing needle, wherein the atomizing needle is electrically connected with the high-voltage end of the electrostatic high-voltage generator, the grid piece is an electric conduction piece, the grid piece is electrically connected with the grounding end of the electrostatic high-voltage generator, the atomizing needle is connected with the atomizing sheet, the atomizing sheet is positioned in the liquid storage piece, and the atomizing sheet is used for atomizing liquid in the liquid storage cavity and generating spraying.

In one embodiment, the spray assembly further comprises a base, the base is connected with the atomizing sheets, the number of the atomizing needles is more than two, and more than two atomizing needles are arranged on the base around the circumferential interval of the atomizing sheets.

In one embodiment, the spraying assembly further comprises a second adjusting member electrically connected to the electrostatic high voltage generator, and the second adjusting member is used for adjusting the voltage value of the electrostatic high voltage generator.

In one embodiment, the grid member is a metal net, and a discharge layer is arranged on the grid member, the discharge layer covers the grid member, and the discharge layer is used for enhancing discharge.

In one embodiment, the filter assembly is of a cylindrical structure, the inner cavity of the filter assembly is communicated with the accommodating cavity, the outer wall of the filter assembly is correspondingly provided with more than two second openings, and the more than two second openings are arranged on the circumferential side wall of the shell at intervals around the axis of the filter assembly.

In one embodiment, the fan assembly comprises a driving member and a blade, wherein the output end of the driving member is in driving connection with the blade, the driving member is used for driving the blade to rotate positively or reversely, the air flow is discharged from the first opening through the filter assembly when the blade rotates positively, and the air flow is discharged from the second opening through the first opening through the filter assembly when the blade rotates reversely.

The invention has the beneficial effects that: above-mentioned air purification device, in the course of the work, add liquid into the stock solution spare, spray assembly can form the spraying with liquid, when the working scenario only needs air-purifying, opens fan subassembly for the filtration of casing outside air from the second opening through filtering the subassembly, enter into and hold the intracavity and discharge from first opening, realize the filtration of harmful substance such as particulate matter or formaldehyde in the air, realize the purification of air. When the surface of an indoor object needs to be disinfected, disinfectant can be added into the liquid storage piece, the spraying component is opened, the disinfectant is sprayed, and the indoor object is disinfected and sterilized. When the indoor humidification is needed, pure water can be added into the liquid storage piece, and the spraying component sprays the water to realize the indoor humidification. Therefore, this air purification device can have humidification, air-purifying and disinfection's function to, when spray assembly forms the spraying with the antiseptic solution, can be through the air current of fan formation from first opening to second opening, make the spraying liquid droplet enter into filter assembly in, disinfect and disinfect filter assembly, get rid of the microorganism of filter assembly interception, prevent that filter assembly from inside breeding the bacterium, be favorable to improving filter assembly's efficiency and filtration quality.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of an internal structure of an air purifying apparatus according to an embodiment.

Fig. 2 is a schematic diagram of a spray assembly according to an embodiment.

Fig. 3 is a schematic view of a spray assembly according to another embodiment.

Reference numerals illustrate:

100. An air purifying device; 110. a housing; 111. a receiving chamber; 112. a first opening; 113. a second opening; 120. a liquid storage member; 130. a spray assembly; 131. a spray head; 132. an electrostatic high voltage generator; 133. an atomizing sheet; 134. an atomizing needle; 135. a base; 140. a filter assembly; 150. a fan assembly; 160. a grating member.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus 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 application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1, fig. 1 is a schematic diagram illustrating an internal structure of an air purifying apparatus 100 according to an embodiment of the application, and the air purifying apparatus 100 according to an embodiment of the application includes: housing 110, reservoir 120, spray assembly 130, filter assembly 140, and fan assembly 150. The housing 110 is provided with a receiving cavity 111, a first opening 112 and a second opening 113, and the first opening 112 and the second opening 113 are both communicated with the receiving cavity 111. The liquid storage member 120 is disposed inside the accommodating cavity 111 and between the first opening 112 and the second opening 113. The spray assembly 130 is disposed in the accommodating chamber 111, and the spray assembly 130 is used for atomizing the liquid in the liquid storage member 120 to form a spray. The filter assembly 140 is disposed in the accommodating cavity 111, and the filter assembly 140 is located between the second opening 113 and the liquid storage member 120. The fan assembly 150 is disposed in the accommodating cavity 111, and the fan assembly 150 is used for forming an airflow from the first opening 112 to the second opening 113 or forming an airflow from the second opening 113 to the first opening 112.

Above-mentioned air purification device 100, in the course of the work, add liquid into stock solution spare 120, spray subassembly 130 can form the spraying with the liquid, when the working scenario only needs air-purifying, opens fan subassembly 150 for casing 110 outside air is from the filtration of second opening 113 through filtering assembly 140, enters into and holds in the chamber 111 and discharge from first opening 112, realizes the filtration of harmful substance such as particulate matter or formaldehyde in the air, realizes the purification of air. When the surface of the indoor object needs to be disinfected, a disinfectant can be added into the liquid storage piece 120, and the spraying component 130 is opened to spray the disinfectant, so that the indoor object is disinfected. When humidification of the room is required, pure water may be added to the liquid storage member 120, and the spray assembly 130 sprays the water to thereby achieve humidification of the room. Therefore, this air purification device 100 can have humidification, air purification and disinfection and sterilization's function to, when spray assembly 130 forms the antiseptic solution spraying, can be through the air current of fan formation from first opening 112 to second opening 113, make the spraying liquid droplet enter into filter assembly 140, disinfect and sterilize filter assembly 140, get rid of the microorganism of filter assembly 140 interception, prevent that filter assembly 140 is inside breeds the bacterium, be favorable to improving filter assembly 140's efficiency and filtration quality.

The disinfectant can be hydrogen peroxide, peracetic acid, glutaraldehyde, chlorine dioxide, citric acid, acetic acid, sodium hypochlorite, iodophor or ethanol, or conventional disinfectant such as 84 disinfectant and chlorhexidine acetate disinfectant.

Alternatively, the structure of the liquid storage member 120 may be a tank structure, a box structure, a bag structure, a barrel structure, or other structures capable of storing liquid.

Specifically, referring to fig. 1, the liquid storage member 120 is a tank structure. The liquid storage piece 120 of the tank structure is detachably connected with the shell 110. Such as a snap connection, a pull-out sliding connection, a magnetic connection, etc. So, simple structure conveniently washs and puts into the liquid of waiting to atomize, guarantees air purification device 100's convenience of use. The embodiment provides only a specific structure of the liquid storage member 120, but is not limited thereto.

Alternatively, the blower assembly 150 may be disposed within the housing 110 at a location that is top adjacent the first opening 112, may be disposed adjacent the filter assembly 140, may be disposed adjacent the reservoir 120, etc.

In one embodiment, referring to FIG. 1, a fan assembly 150 is positioned between the reservoir 120 and the filter assembly 140. Thus, the driving capability is more uniform, so that the airflow velocity is more stable, and noise reduction is also facilitated.

Specifically, referring to fig. 1, the fan assembly 150 includes a driving member and a blade, an output end of the driving member is in driving connection with the blade, and the driving member is used for driving the blade to rotate forward or backward. The air flow is discharged from the second opening 113 through the filter assembly 140 from the first opening 112 when the vane is rotated forward, and the air flow is discharged from the second opening 113 through the first opening 112 through the filter assembly 140 when the vane is rotated backward. Accordingly, when the vane is rotated in the forward direction, the suction and filtration of the external air by the filter assembly 140 can be achieved, and the filtered air is discharged from the first opening 112. When the blades are reversed, atomized liquid drops generated by the spraying assembly 130 can flow to the filtering assembly 140 along with air flow, so that disinfection and sterilization can be formed on the filtering assembly 140, and the filtering and sterilization effects of the filtering assembly 140 are improved.

Alternatively, the filter assembly 140 may be a filter mesh, filter cartridge, filter cotton or other filter substance.

Specifically, referring to fig. 1, the filter assembly 140 includes a high efficiency air filter (HEPA), which is a high efficiency small particulate filter plus organic fiber material, and adsorbs particulate matters by mechanical filtration, which has a strong capability of capturing particulates, a large adsorption capacity, and a high purification efficiency, and has an effective rate of 99.7% for particulates of 0.1 and 0.3 microns, and is the most effective filter medium for pollutants such as smoke, dust, bacteria, etc.

Further, the filter assembly 140 also includes a high efficiency filter screen that supports various catalysts. Therefore, the catalyst has adsorption and decomposition functions on TVOC gaseous pollutants containing carbon and hydrogen chains, such as formaldehyde or phenol, and the like, and is beneficial to improving the air purification effect.

In one embodiment, referring to fig. 1, the air purifying apparatus 100 further includes a grille member 160, the liquid storage member 120 is provided with a liquid storage cavity and a mist discharge opening, the mist discharge opening is communicated with the liquid storage cavity, and the grille member 160 covers the mist discharge opening. Thus, the grid member 160 can not only discharge atomized liquid drops from the mist discharge port, but also block external sundries, so that large particles or garbage and the like are prevented from entering the liquid storage member 120, and the purity of liquid in the liquid storage cavity is ensured.

Referring to fig. 1 and 2, fig. 2 shows a schematic structure of a spray assembly 130 according to an embodiment of the application. In one embodiment, spray assembly 130 includes a spray head 131 and an electrostatic high voltage generator 132. The spray head 131 is electrically connected to the high voltage end of the electrostatic high voltage generator 132, the grid member 160 is a conductive member, and the ground end of the electrostatic high voltage generator 132 is electrically connected to the grid member 160, and the spray head 131 is used for atomizing the liquid in the liquid storage cavity and forming spray. Therefore, the spray assembly 130 generates spray from the spray head 131, and the spray head 131 forms an electrostatic device through the electrical connection of the electrostatic high-voltage generator 132 and the grid member 160, the electrostatic device can electrostatically decompose the water mist sprayed from the spray head 131 into finer water mist, meanwhile, the mist droplets are charged, the mist droplets carrying the charges can be adsorbed onto metal like a magnet, gravitational potential energy and kinetic potential energy are overcome, the object surface is comprehensively covered, and the effect of disinfection and sterilization of indoor objects is improved.

Alternatively, spray head 131 may be a siphon atomizer nozzle, a pressure atomizer device, or other spray-forming structure.

In this embodiment, referring to fig. 2, the nozzle 131 is a high-pressure sprayer. Therefore, the atomization device has the advantages of good atomization effect, simple structure, convenient maintenance and low maintenance cost. The embodiment provides only a specific structural choice of the nozzle 131, but is not limited thereto.

Alternatively, the electrostatic high voltage generator 132 may be a high voltage dc power supply, or a pulsed power supply may be used.

In one embodiment, the spraying assembly 130 further includes a first adjusting member (not shown) disposed at a position where the spray head 131 communicates with the liquid storage chamber, and the first adjusting member is configured to adjust a flow rate of the liquid in the liquid storage chamber into the spray head 131. Therefore, the size of spraying can be adjusted through the first adjusting piece, so that the air filter device is suitable for different use scenes, and the use quality of the air filter device is improved.

Further, the automatic start and stop of the spray assembly 130 can also be achieved by adding an air quality sensor electrically connected to the first adjusting member.

In one embodiment, the number of the nozzles 131 is more than two (not shown), the more than two nozzles 131 are disposed in the liquid storage member 120 at intervals, and the more than two nozzles 131 are electrically connected to the high voltage end of the electrostatic high voltage generator 132. Therefore, the atomization area is increased, and the disinfection and sterilization and humidification effects are improved.

Alternatively, the spray heads 131 may be disposed at the middle or other positions of the liquid storage member 120 when they are single, and the spray heads 131 may be annularly arranged for one week or be arranged in a polygonal shape, such as a field shape or a rice shape.

Unlike the above embodiments, referring to fig. 3, fig. 3 shows a schematic structure of a spray assembly 130 according to another embodiment of the present application. In another embodiment, spray assembly 130 includes an electrostatic high voltage generator 132, an atomizer plate 133, and an atomizer needle 134. The atomizing needle 134 is electrically connected to the high voltage end of the electrostatic high voltage generator 132, the grid member 160 is an electrically conductive member, the grid member 160 is electrically connected to the ground end of the electrostatic high voltage generator 132, the atomizing needle 134 is connected to the atomizing sheet 133, the atomizing sheet 133 is located in the liquid storage member 120, and the atomizing sheet 133 is used for atomizing the liquid in the liquid storage member 120 and generating spray. The atomizing needle 134 is used to emit an electrostatic spray from the needle. For example, the frequency of the atomizer plate 133 is 2-3MHz. In this way, the liquid in the liquid storage piece 120 is atomized to form spray through the atomizing piece 133, the atomizing needle 134 is connected with the high-voltage end of the electrostatic high-voltage generator 132, and the atomizing piece 133, the electrostatic high-voltage generator 132 and the grid piece 160 form an electrostatic device, so that the electrostatic spray can not only realize uniform disinfection of the object surface, but also can be circulated into the whole machine, the filter assembly 140 below the whole machine is disinfected, and the breeding of microorganisms on the surface of the filter assembly 140 is inhibited. The atomizing needle 134 can improve the atomizing efficiency and the atomizing area, thereby improving the sterilizing and humidifying effects.

Alternatively, the atomizing needle 134 may be hollow or solid, and may be 1-5mm in diameter, and may be made of conductive materials such as copper, stainless steel, or tungsten.

In one embodiment, referring to fig. 3, the spray assembly 130 further includes a base 135, the base 135 is connected to the atomizing plate 133, the number of the atomizing pins 134 is more than two, and the more than two atomizing pins 134 are disposed on the base 135 at intervals around the circumference of the atomizing plate 133. Therefore, the spray amount is increased, and the atomization area is increased.

In one embodiment, the spraying assembly 130 further includes a second adjusting member (not shown) electrically connected to the electrostatic high voltage generator 132, and the second adjusting member is used for adjusting the voltage value of the electrostatic high voltage generator 132. Thus, the charge amount and the droplet size of the electrostatic droplets in the two embodiments can be adjusted by adjusting the voltage value, thereby adjusting the adsorption capacity of the electrostatic mist droplets.

In one embodiment, referring to fig. 1,2 and 3, the grid member 160 is a metal mesh, and the grid member 160 is provided with a discharge layer, and the discharge layer covers the grid member 160 for enhancing discharge. For example, the material of the grating 160 is stainless steel, tungsten, copper or alloy or other conductive material. The mesh aperture of the mesh member 160 is in the order of millimeters, and the discharge layer of the mesh member 160 is coated with a transition metal oxide such as magnesium oxide, manganese oxide, or zinc oxide to enhance the discharge by coating a conductive material.

In one embodiment, referring to fig. 1, the filter assembly 140 is in a cylindrical structure, the inner cavity of the filter assembly 140 is communicated with the accommodating cavity 111, the outer wall of the filter assembly 140 is disposed corresponding to the second openings 113, the number of the second openings 113 is more than two, and the more than two second openings 113 are disposed on the circumferential side wall of the housing 110 at intervals around the axial direction of the filter assembly 140. Therefore, the efficiency of air filtration is improved, and the space is saved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. An air cleaning device, characterized in that the air cleaning device comprises:

The shell is provided with a containing cavity, a first opening and a second opening, and the first opening and the second opening are communicated with the containing cavity;

The liquid storage piece is arranged in the accommodating cavity and is positioned between the first opening and the second opening, the liquid storage piece is provided with a liquid storage cavity and a mist discharge opening, and the mist discharge opening is communicated with the liquid storage cavity;

The spraying component is arranged in the accommodating cavity and is used for atomizing the liquid in the liquid storage piece to form spraying;

The filter assembly is arranged in the accommodating cavity and is positioned between the second opening and the liquid storage piece;

The fan assembly is arranged in the accommodating cavity and is used for forming air flow from the first opening to the second opening or forming air flow from the second opening to the first opening;

a grill member covering the mist discharge port;

The spraying component comprises a spray head and an electrostatic high-voltage generator, the spray head is electrically connected with the high-voltage end of the electrostatic high-voltage generator, the grid piece is a conductive piece, the grounding end of the electrostatic high-voltage generator is electrically connected with the grid piece, and the spray head is used for atomizing liquid in the liquid storage cavity and forming spraying; or alternatively

The spraying assembly comprises an electrostatic high-voltage generator, an atomizing sheet and an atomizing needle, wherein the atomizing needle is electrically connected with the high-voltage end of the electrostatic high-voltage generator, the grid piece is an electric conduction piece, the grid piece is electrically connected with the grounding end of the electrostatic high-voltage generator, the atomizing needle is connected with the atomizing sheet, the atomizing sheet is positioned in the liquid storage piece, and the atomizing sheet is used for atomizing liquid in the liquid storage piece and generating spraying.

2. The air purification apparatus of claim 1, wherein the fan assembly is located between the reservoir and the filter assembly.

3. The air purification apparatus of claim 1, wherein the spray assembly further comprises a first adjustment member disposed in communication with the spray head and the reservoir, the first adjustment member being configured to adjust the flow of liquid from the reservoir into the spray head.

4. The air purifying device according to claim 1, wherein the number of the nozzles is more than two, the more than two nozzles are arranged in the liquid storage member at intervals, and the more than two nozzles are electrically connected with the high-voltage end of the electrostatic high-voltage generator.

5. The air purification device of claim 1, wherein the spray assembly further comprises a base, the base is connected to the atomizing sheet, the number of atomizing needles is two or more, and two or more of the atomizing needles are disposed on the base at intervals around the circumference of the atomizing sheet.

6. The air cleaning device of claim 1, wherein the spray assembly further comprises a second adjusting member electrically connected to the electrostatic high voltage generator, the second adjusting member being configured to adjust a voltage value of the electrostatic high voltage generator.

7. The air cleaning device according to claim 1, wherein the grille member is a metal mesh, and a discharge layer is provided on the grille member, the discharge layer being covered on the grille member, the discharge layer being for enhancing discharge.

8. The air cleaning apparatus according to claim 7, wherein the mesh aperture of the grill member is in the order of millimeters, and the discharge layer of the grill member enhances discharge by coating a conductive material.

9. The air purification device according to any one of claims 1 to 7, wherein the filter assembly has a cylindrical structure, an inner cavity of the filter assembly is communicated with the accommodating cavity, an outer wall of the filter assembly is arranged corresponding to the second openings, the number of the second openings is more than two, and more than two second openings are arranged on a circumferential side wall of the housing at intervals around an axis of the filter assembly.

10. The air cleaning apparatus according to any one of claims 1 to 7, wherein the fan assembly comprises a drive member and a blade, an output end of the drive member is drivingly connected to the blade, the drive member is configured to drive the blade to rotate in a forward direction or in a reverse direction, the air flow is discharged from the first opening through the filter assembly via the second opening when the blade rotates in the forward direction, and the air flow is discharged from the second opening through the filter assembly via the first opening when the blade rotates in the reverse direction.