CN217482944U - Purifying device - Google Patents

Abstract

The utility model provides a purifier, purifier have air intake and air outlet, and purifier includes: a first power supply; an atomizing assembly comprising a nozzle, at least a portion of the nozzle being made of an electrically conductive material, a first power source connected to at least a portion of the nozzle to cause droplets ejected from the nozzle to carry a first charge; the atomization assembly is arranged between the air inlet and the air outlet, so that the gas entering from the air inlet is discharged from the air outlet after passing through liquid drops sprayed by the nozzle. The utility model discloses a purifier has solved the relatively poor problem of purifier's among the prior art purifying effect.

Description

Purifying device

Technical Field

The utility model relates to a domestic appliance field particularly, relates to a purifier.

Background

At present, two kinds of green and maintenance-free air treatment systems are provided, one is to realize no dust accumulation and material consumption through 'washing air' in the purification process and to avoid the need of replacing the cleaning effect; most of the 'water washing air' systems spray liquid by using nozzles, and the purpose of removing particles in air is achieved by coalescence of liquid drops in the air and particles suspended in the air. However, the "water wash air" system has three disadvantages: firstly, the flow is high and water is wasted; secondly, the liquid drops are large, the retention time is short, the amount of adhered suspended particles is small, and the efficiency is low; thirdly, the distribution in the air is uneven and dead zones are likely to occur.

The other method is to use an automatic water spraying system to clean after the particles are captured by the electric field. However, it is difficult to achieve the effect of cleaning simply by water drops or water stream impact in the secondary cleaning.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a purification apparatus for solving the problem of poor purification effect of the purification apparatus in the prior art.

In order to achieve the above object, the utility model provides a purification device has air intake and air outlet, and purification device includes: a first power supply; an atomizing assembly comprising a nozzle, at least a portion of the nozzle being made of an electrically conductive material, a first power source being connected to at least a portion of the nozzle to cause droplets ejected from the nozzle to carry a first charge; the atomization component is arranged between the air inlet and the air outlet, so that the gas entering from the air inlet is discharged from the air outlet after passing through liquid drops sprayed by the nozzle.

Further, the purification device further comprises: the charging assembly is positioned on one side of the atomizing assembly close to the air inlet and is provided with a tip for discharging, so that particles in the gas passing through the charging assembly carry a second charge; wherein the first charge and the second charge are oppositely charged.

Furthermore, atomizing subassembly still includes the atomizing earthing pole, and the atomizing earthing pole setting is provided with the first through-hole that a plurality of intervals set up in the below of nozzle and the relative setting of the injection end of nozzle on the atomizing earthing pole.

Furthermore, the purification device also comprises a gas-liquid-solid mixing plate, wherein a plurality of second communication holes which are arranged at intervals are formed in the gas-liquid-solid mixing plate; the atomizing assembly and the charging assembly are sequentially arranged in the vertical direction, the atomizing assembly is positioned above the charging assembly, and the gas-liquid-solid mixing plate is arranged between the charging assembly and the nozzle so that gas passing through the charging assembly flows towards the nozzle through the second communication hole; or the atomization assembly and the charging assembly are sequentially arranged along the horizontal direction, and the gas-liquid-solid mixing plate is arranged between the charging assembly and the atomization assembly, so that gas passing through the charging assembly flows towards the atomization assembly through the second communication port.

Further, the atomizing assembly comprises a plurality of nozzles, and the plurality of nozzles are arranged at intervals along the horizontal direction.

Further, the purification device further comprises: the liquid storage part is provided with a liquid storage cavity for containing atomized solution, and the nozzle is communicated with the liquid storage cavity.

Further, the purification device further comprises: the water receiving tray is positioned below the atomizing assembly and used for receiving the dropped liquid drops; one end of the connecting pipe is communicated with the water receiving disc, and the other end of the connecting pipe is communicated with the liquid storage cavity; the pump body is arranged on the connecting pipe.

Further, a flow controller is arranged on the connecting pipe to adjust the flow of the connecting pipe.

Furthermore, the purification device also comprises a filter component, and at least part of the filter component is arranged in the water pan, so that the recovered atomized solution enters the connecting pipe after being filtered by the filter component.

Further, the purification device also comprises a second power supply; the charged assembly comprises a plurality of first grounding electrodes which are arranged at intervals, discharge wires are arranged between every two adjacent first grounding electrodes, each discharge wire is connected with the second power supply, and each discharge wire is provided with a tip.

Further, the purification device further comprises a third power supply; the charging assembly comprises two second grounding electrodes, the two second grounding electrodes are arranged at intervals, an electrode part is arranged between the two second grounding electrodes, the electrode part is connected with a third power supply, the electrode part comprises an electrode part main body and a plurality of tips arranged on the electrode part main body, the tips comprise at least one first tip and at least one second tip, the at least one first tip is located between the electrode part main body and one second grounding electrode, and the at least one second tip is located between the electrode part main body and the other second grounding electrode.

Furthermore, the two second grounding electrodes are arranged at intervals along the first preset direction; a plurality of electrode parts are arranged between the two second grounding electrodes and are sequentially arranged along a second preset direction; the first preset direction is perpendicular to the second preset direction.

The utility model discloses a purifier has air intake and air outlet, and purifier includes first power and atomizing subassembly, and the atomizing subassembly includes the nozzle, and at least part of nozzle is made by conductive material, and first power is connected with at least part of nozzle, and at first power supply, after exerting voltage to the nozzle, because the effect of first electric charge, liquid drop dropping speed becomes fast, and the liquid drop diameter diminishes; after the voltage of the first power supply is further increased to reach a critical value, the spraying end of the nozzle forms a Taylor cone, the electrostatic force at the front end of the Taylor cone exceeds the surface tension of the liquid, a plurality of dispersed jet flows are formed, a large number of finer liquid drops are formed at the front end of the jet flows, and the liquid drops are charged in the same way, so that the liquid drops cannot be automatically condensed and are enlarged.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic view of an embodiment of a purification device according to the invention;

figure 2 shows a schematic view of another embodiment of a purification device according to the present invention;

fig. 3 shows a schematic view of an embodiment of a charging assembly of the purification apparatus according to the present invention;

fig. 4 shows a schematic view of another embodiment of a charging assembly of a purification apparatus according to the present invention;

fig. 5 shows a schematic view of an atomizing earth electrode of a purification device according to the present invention.

Wherein the figures include the following reference numerals:

10. a first power supply; 20. an atomizing assembly; 21. a nozzle; 22. atomizing a grounding electrode; 221. a first communication hole; 30. a charging assembly; 31. a first ground electrode; 32. discharging wires; 33. a second ground electrode; 34. an electrode section; 35. an electrode portion main body; 36. a first tip; 37. a second tip; 50. a liquid storage part; 60. a water pan; 70. a connecting pipe; 71. a flow controller; 80. a pump body; 100. a second power supply; 110. a third power supply.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model provides a purifier has air intake and air outlet, please refer to fig. 1 to 5, and purifier includes: a first power supply 10; an atomizing assembly 20 including a nozzle 21, at least a portion of the nozzle 21 being made of an electrically conductive material, a first power source 10 being connected to at least a portion of the nozzle 21 to cause droplets ejected from the nozzle 21 to carry a first charge; the atomizing assembly 20 is disposed between the air inlet and the air outlet, so that the air entering from the air inlet passes through the liquid drops sprayed from the nozzle 21 and is then discharged from the air outlet.

The utility model discloses a purifier has air intake and air outlet, and purifier includes first power 10 and atomization component 20, and atomization component 20 includes nozzle 21, and at least part of nozzle 21 is made by conducting material, and first power 10 is connected with at least part of nozzle 21, and after first power 10 supplies power, applys voltage to nozzle 21, because the effect of first electric charge, liquid drop landing speed becomes fast, and the liquid drop diameter diminishes; when the voltage of the first power source 10 further increases to reach a critical value, the spraying end of the nozzle 21 forms a taylor cone, the electrostatic force at the front end of the taylor cone exceeds the surface tension of the liquid to form a plurality of dispersed jet flows, and a large number of finer liquid drops are formed at the front end of the jet flows, and the liquid drops carry the same charge, so that the liquid drops cannot automatically condense and become larger.

Wherein, gaseous pollutant molecules which are easy to dissolve in water in the air can be quickly dissolved and absorbed by the liquid drops due to the high dispersion of the liquid drops, thereby enhancing the capability of removing the gaseous pollutants in the air. Specifically, the nozzle 21 is a capillary nozzle.

Optionally, the conductive material is metal, and may be other conductive materials.

In this embodiment, the purification apparatus further includes: the charging assembly 30 is positioned on one side of the atomizing assembly 20 close to the air inlet, and the charging assembly 30 is provided with a tip for discharging so that particles in the gas passing through the charging assembly 30 carry a second charge; wherein the first charge and the second charge are oppositely charged.

In specific implementation, the charging assembly 30 is configured to enable particles in the gas passing through the charging assembly 30 to carry a second charge opposite to the first charge, so that the particles with the second charge and the liquid drops with the first charge are combined through coulomb force, the coalescence effect is enhanced, the liquid drops can capture more particles, pollutants are removed from the air, and the air purification effect is achieved.

In this embodiment, as shown in fig. 2, the atomizing assembly 20 further includes an atomizing ground 22, the atomizing ground 22 is disposed below the nozzle 21 and opposite to the spraying end of the nozzle 21, and the atomizing ground 22 is provided with a plurality of first through holes 221 disposed at intervals. Specifically, the atomizing ground electrode 22 is a plate-like structure provided with a plurality of first communication holes 221. Such an arrangement allows air to pass through the first communication holes 221 so that droplets and particles are settled through the first communication holes 221; and, the mixing degree of the gas, the liquid drops and the particles is enhanced at the atomizing grounding electrode 22, so as to improve the air purifying effect.

In other embodiments, the atomizing ground 22 is a grid structure or a mesh structure; the droplets of the first electric charge pass through the atomizing ground 22 having the first communication holes 221, and the presence of the droplets reduces the generation of ozone and nitrogen-containing compounds as by-products from the charging assembly 30.

Specifically, the voltage of the first power source 10 is ± 500-100000V; the voltage of the first power source 10 is related to the distance between the atomizing ground 22 and the nozzles 21, the number of nozzles 21, and the flow rate of the nozzles 21.

In this embodiment, the purification device further includes a gas-liquid-solid mixing plate, and the gas-liquid-solid mixing plate is provided with a plurality of second communication holes arranged at intervals; the atomizing assembly 20 and the charging assembly 30 are sequentially arranged in a vertical direction, the atomizing assembly 20 is located above the charging assembly 30, and the gas-liquid-solid mixing plate is arranged between the charging assembly 30 and the nozzle 21, so that gas passing through the charging assembly 30 flows towards the nozzle 21 through the second communication hole. Such an arrangement increases the degree of mixing of the gas, droplets and particles.

In other embodiments, the atomizing assembly 20 and the charging assembly 30 are sequentially arranged in a horizontal direction, and a gas-liquid-solid mixing plate is arranged between the charging assembly 30 and the atomizing assembly 20, so that the gas passing through the charging assembly 30 flows towards the atomizing assembly 20 through the second communication port. The gas-liquid-solid mixing plate increases the mixing degree of gas, liquid and particles reaching the surface of the gas-liquid-solid mixing plate, and improves the purification effect. Such an arrangement increases the degree of mixing of the gas, droplets and particles.

Specifically, the gas-liquid-solid mixing plate is made of at least one of a molecular sieve, a wet curtain, a sponge and hollow balls, so that the mixing degree of gas, liquid drops and particles can be increased.

In the present embodiment, the atomizing assembly 20 includes a plurality of nozzles 21, and the plurality of nozzles 21 are spaced apart in the horizontal direction. In specific implementation, the arrangement of the plurality of nozzles 21 increases the flow rate of the droplets ejected from the nozzles 21, increases the distribution range of the droplets, and improves the purification effect.

Specifically, the flow rate of each nozzle 21 is 0.1-50mL/min, and the distribution density of the nozzles 21 is 1-10000/m ² 。

In this embodiment, the purification apparatus further includes: the liquid storage part 50 is provided with a liquid storage cavity for containing the atomized solution, and the nozzle 21 is communicated with the liquid storage cavity. The liquid storage part 50 is arranged so that the nozzle 21 directly absorbs the liquid in the liquid storage part 50 when the liquid drop needs to be ejected, and long waiting time is not needed.

Specifically, the atomized solution is one of purified water, tap water, a salt solution and a disinfectant.

In this embodiment, the purification apparatus further comprises: a drip pan 60 located below the atomizing assembly 20, the drip pan 60 being configured to receive dripping droplets; one end of the connecting pipe 70 is communicated with the water receiving tray 60, and the other end of the connecting pipe 70 is communicated with the liquid storage cavity; and a pump body 80 provided on the connection pipe 70.

During specific implementation, the water receiving tray 60 plays a role in recovering liquid drops, so that liquid can be conveyed back to the nozzle 21 through the pump body 80 and the connecting pipe 70 for reuse, and waste of the liquid is avoided.

In the present embodiment, a flow controller 71 is provided on the connection pipe 70 to adjust the flow rate of the connection pipe 70. The flow rate of the liquid droplets discharged from the nozzle 21 can be changed by adjusting the flow rate of the connection pipe 70 by the flow rate controller 71.

In this embodiment, the purification device further includes a filter element, and at least a portion of the filter element is disposed in the water pan 60, so that the recovered atomized solution is filtered by the filter element. The provision of the filter means ensures cleanliness of the atomized solution flowing back to the reservoir means 50.

Specifically, the filter unit includes a filter body and a filter frame for supporting the filter body, the filter frame is disposed in the water receiving tray 60, and the filter body is made of one of toilet paper, gauze and cotton cloth, and has a function of filtering particles.

In some embodiments, the purification apparatus further comprises a second power source 100; the charging assembly 30 includes a plurality of first ground electrodes 31, the plurality of first ground electrodes 31 are arranged at intervals, a discharge wire 32 is arranged between each two adjacent first ground electrodes 31, each discharge wire 32 is connected to the second power source 100, and each discharge wire 32 has a tip.

In specific implementation, an uneven electric field is formed between the discharge wire 32 with a small curvature radius and two adjacent first grounding electrodes 31 on two sides, so that air ionization is realized, and particles in the air carry the same charges through collision with ions generated by ionization.

In some embodiments, the decontamination apparatus further includes a third power source 110; the charging assembly 30 includes two second ground electrodes 33, the two second ground electrodes 33 are spaced apart, an electrode portion 34 is disposed between the two second ground electrodes 33, the electrode portion 34 is connected to the third power source 110, the electrode portion 34 includes an electrode portion main body 35 and a plurality of tips disposed on the electrode portion main body 35, the plurality of tips include at least one first tip 36 and at least one second tip 37, the at least one first tip 36 is located between the electrode portion main body 35 and one second ground electrode 33, and the at least one second tip 37 is located between the electrode portion main body 35 and the other second ground electrode 33. The first and second tips 36 and 37 form an uneven electric field with the two second ground electrodes 33, thereby achieving ionization of air, and particles in the air carry the same charge by colliding with ions generated by the ionization. Specifically, two second grounding electrodes 33 are arranged at intervals along a first preset direction; a plurality of electrode parts 34 are arranged between the two second grounding electrodes 33, and the electrode parts 34 are sequentially arranged along a second preset direction; the first preset direction is perpendicular to the second preset direction. Such arrangement causes the two second ground electrodes 33 and the plurality of electrode portions 34 to form an uneven electric field, thereby achieving ionization of air, and particles in the air carry the same electric charges by colliding with ions generated by the ionization. The first preset direction is the up-down direction in fig. 4, and the second preset direction is the left-right direction in fig. 4.

In other embodiments, the charging assembly 30 may also discharge in a variety of other forms, such as a pin discharge, or a bur discharge, or a carbon brush discharge.

Specifically, the first charge is a negative charge and the second charge is a positive charge. In specific implementation, the first electric charge is set as negative electric charge, so that liquid drops sprayed out of the nozzle 21 are negatively charged, the effect of waterfall negative ions is generated, the air is purified, and the air is fresher.

In specific implementation, the purification device has the following working principle: the purification device is spatially divided into an electric atomization area and a particle charging area, the atomization assembly 20 is arranged in the electric atomization area, and the charge assembly 30 is arranged in the particle charging area; the air flow is enabled to flow upwards through the fan, the electrically atomized liquid drops move downwards through the electric field and gravity, the atomized liquid drops and the charged particles are mixed at the position of an electric atomization area, the electrically atomized liquid drops are small in particle size and carry charges, so that the liquid drops are highly and uniformly dispersed, the charged particles carry charges opposite to the electric charges of the liquid drops, the liquid drops and the particles are quickly combined through coulomb force, and pollutants are removed from the air through the sedimentation of the liquid drops; and gaseous pollution molecules which are easily dissolved in water exist in the air, and can be quickly dissolved and absorbed by the liquid drops due to the high dispersion of the liquid drops.

The application has the following beneficial effects: the diameter of the liquid drop can be controlled between the atomic size and hundreds of microns, the electric atomization diameter passing through the atomization assembly 20 is 0.5 time of the non-electric atomization diameter, the flow is reduced, and the water quantity is saved; because the surface of the liquid drop is provided with the same charge, the liquid drop is uniformly dispersed in the whole space and is more fully contacted with the pollutants in the air; because the particles have different charges, the coagulation effect is enhanced, and more particles can be captured by the liquid drops; the liquid drops remove pollutants from the air, and water in the solution can be circulated for many times without manual cleaning and maintenance; the atomized high-humidity environment can reduce the byproducts such as ozone and nitrogen-containing compounds generated by discharge; the broken charged fog drops are closer to waterfall negative ions, and the air is freshened.

This application has following utility model point: the nozzle 21 with controllable flow is arranged to realize uniform distribution of charged liquid drops; a charging unit (30) for charging the particles with an electric charge opposite to that of the droplets to enhance the coalescence of the droplets and the particles; the gas-liquid-solid mixing plate enhances the mixing effect of gas, liquid and solid phases; the filter component can be made of toilet paper and gauze, so that water is simply filtered, the water body circulation life is prolonged, and the water changing times are reduced; by applying a higher negative charge to the nozzle 21, a generation effect of negative ions close in height to the waterfall is achieved, and natural freshening of the air is achieved.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the utility model discloses a purifier has air intake and air outlet, and purifier includes first power 10 and atomization component 20, and atomization component 20 includes nozzle 21, and at least part of nozzle 21 is made by conducting material, and first power 10 is connected with at least part of nozzle 21, and after first power 10 supplies power, applys voltage to nozzle 21, because the effect of first electric charge, liquid drop landing speed becomes fast, and the liquid drop diameter diminishes; when the voltage of the first power source 10 further increases to reach a critical value, the spraying end of the nozzle 21 forms a taylor cone, the electrostatic force at the front end of the taylor cone exceeds the surface tension of the liquid to form a plurality of dispersed jet flows, and a large number of finer liquid drops are formed at the front end of the jet flows, and the liquid drops carry the same charge, so that the liquid drops cannot automatically condense and become larger.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

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

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A purification apparatus having an air inlet and an air outlet, the purification apparatus comprising:

a first power supply (10);

an atomizing assembly (20) comprising a nozzle (21), at least a portion of the nozzle (21) being made of an electrically conductive material, the first power source (10) being connected to at least a portion of the nozzle (21) to cause droplets ejected by the nozzle (21) to carry a first electrical charge; the atomization assembly (20) is arranged between the air inlet and the air outlet, so that the gas entering from the air inlet is discharged from the air outlet after passing through liquid drops sprayed by the nozzle (21).

2. The purification apparatus of claim 1, further comprising:

a charging assembly (30) positioned on one side of the atomizing assembly (20) close to the air inlet, wherein the charging assembly (30) is provided with a tip used for discharging, so that particles in the gas passing through the charging assembly (30) carry a second charge; wherein the first charge and the second charge are oppositely charged.

3. The purification apparatus according to claim 1, wherein the atomization assembly (20) further comprises an atomization grounding electrode (22), the atomization grounding electrode (22) is disposed below the nozzle (21) and opposite to the spraying end of the nozzle (21), and a plurality of first communication holes (221) are disposed at intervals on the atomization grounding electrode (22).

4. The purification device according to claim 2, further comprising a gas-liquid-solid mixing plate, wherein the gas-liquid-solid mixing plate is provided with a plurality of second communication holes arranged at intervals;

the atomizing assembly (20) and the charging assembly (30) are sequentially arranged along the vertical direction, the atomizing assembly (20) is positioned above the charging assembly (30), and the gas-liquid-solid mixing plate is arranged between the charging assembly (30) and the nozzle (21) so that the gas passing through the charging assembly (30) flows towards the nozzle (21) through the second communication hole; or

The atomization assembly (20) and the charging assembly (30) are sequentially arranged along the horizontal direction, and the gas-liquid-solid mixing plate is arranged between the charging assembly (30) and the atomization assembly (20) so that gas passing through the charging assembly (30) flows towards the atomization assembly (20) through the second communication port.

5. Purification device according to any one of claims 1 to 4, wherein the atomizing assembly (20) comprises a plurality of said nozzles (21), said plurality of nozzles (21) being arranged at intervals in a horizontal direction.

6. The purification apparatus according to any one of claims 1 to 4, further comprising:

the liquid storage part (50) is provided with a liquid storage cavity used for containing atomized solution, and the nozzle (21) is communicated with the liquid storage cavity.

7. The purification apparatus of claim 6, further comprising:

the water receiving tray (60) is positioned below the atomizing assembly (20), and the water receiving tray (60) is used for receiving the dropped liquid drops;

one end of the connecting pipe (70) is communicated with the water pan (60), and the other end of the connecting pipe (70) is communicated with the liquid storage cavity;

and a pump body (80) provided on the connection pipe (70).

8. Purification apparatus according to claim 7, wherein a flow controller (71) is provided on the connection pipe (70) to adjust the flow rate of the connection pipe (70).

9. The purification device according to claim 7, further comprising a filter element, at least part of which is arranged in the drip tray (60) so that the recovered atomized solution is filtered by the filter element and enters the connection pipe (70).

10. The purification apparatus according to claim 2, further comprising a second power source (100); the charging assembly (30) comprises a plurality of first grounding electrodes (31), and the first grounding electrodes (31) are arranged at intervals; two adjacent all be provided with discharge wire (32) between first earthing pole (31), each discharge wire (32) all with second power (100) are connected, each discharge wire (32) all have the pointed end.

11. The decontamination device of claim 2, further comprising a third power source (110); the charging assembly (30) comprises two second grounding electrodes (33), the two second grounding electrodes (33) are arranged at intervals, an electrode portion (34) is arranged between the two second grounding electrodes (33), the electrode portion (34) is connected with a third power supply (110), the electrode portion (34) comprises an electrode portion main body (35) and a plurality of tips arranged on the electrode portion main body (35), the tips comprise at least one first tip (36) and at least one second tip (37), the at least one first tip (36) is located between the electrode portion main body (35) and one second grounding electrode (33), and the at least one second tip (37) is located between the electrode portion main body (35) and the other second grounding electrode (33).

12. Purification device according to claim 11, wherein two of said second earthed poles (33) are spaced apart along a first preset direction; a plurality of electrode parts (34) are arranged between the two second grounding electrodes (33), and the electrode parts (34) are sequentially arranged along a second preset direction; the first preset direction is perpendicular to the second preset direction.

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