CN212378194U

CN212378194U - Air purifier

Info

Publication number: CN212378194U
Application number: CN202021512817.4U
Authority: CN
Inventors: 李婧婧; 褚萍; 李新坤
Original assignee: 王新
Current assignee: CIC hechuang (Beijing) Environmental Protection Technology Co.,Ltd.
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-01-19
Anticipated expiration: 2030-07-27

Abstract

An air purifier, comprising: the air inlet is formed in the outer shell; the air exhaust mechanism is arranged in the outer shell and used for exhausting the filtered air; the spraying mechanism is arranged in the outer shell and is opposite to the outer shell; the spraying mechanism and the outer shell are enclosed to form a spraying cavity, and the spraying mechanism and the exhaust mechanism are enclosed to form a reaction cavity; the spray mechanism includes a nozzle disposed toward the spray chamber. Enclose into the spraying chamber through spraying mechanism and shell body, spraying mechanism and exhaust mechanism enclose into the reaction chamber to increased the reaction time of air and water smoke effectively, made the harmful substance fully reaction in water smoke and the air, in order to solve its purifying effect poor problem of current water smoke air purifier.

Description

Air purifier

Technical Field

The utility model relates to an air purification technical field mainly relates to domestic air purifier.

Background

The air purifier is used as a household appliance capable of removing pollutants such as particulate matters, viruses and bacteria in the air, and is increasingly applied to daily household life. In particular, viruses that are transmitted through air, aerosols, and the like are frequently found in society every spring and winter. The spread of such viruses poses a great hazard to public health safety. Because the existing air purification equipment mostly adopts a filter screen to realize air filtration, and the filter screen has low virus inhibiting or sterilizing performance, the existing filter screen air purification can not kill virus and bacteria in the air and can not block the aerosol transmission path of the virus.

Patent document TW200513313A discloses an air cleaning device, which specifically discloses that a water mist wall is formed by converting water into water mist and forming the water mist wall by the water mist. The water mist wall is arranged on a flowing channel of air, so that viruses, particles, dust and the like in the air are adsorbed. Then, the aqueous solution adsorbed with the virus is sterilized by the medicament. However, in the prior art, the water mist wall consisting of water mist only blocks the aerosol transmission path of the virus, thereby realizing the collection and sterilization of the virus. The water mist does not have time and space to fully react with various harmful substances in the air, so that the problem that the water mist in the prior art has poor blocking effect on the aerosol transmission path of the viruses is caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing an air purifier to solve present through the water smoke realize to its water smoke of filtration water smoke air purifier can't fully react with the harmful substance in the air, cause the poor problem of its purifying effect of current water smoke air purifier. The application provides an air purifier, includes:

the air inlet is formed in the outer shell;

the air exhaust mechanism is arranged in the outer shell and used for exhausting the filtered air;

the spraying mechanism is arranged in the outer shell and is opposite to the outer shell; the spraying mechanism and the outer shell are enclosed to form a spraying cavity, and the spraying mechanism and the exhaust mechanism are enclosed to form a reaction cavity; the spray mechanism includes a nozzle disposed toward the spray chamber.

The air inlet is arranged at the bottom of the outer shell, and a communication opening of the spraying cavity and the reaction cavity is positioned at the top of the outer shell; and the exhaust mechanism is positioned at the top of the outer shell, and the air inlet end of the exhaust mechanism is arranged at one side of the exhaust mechanism close to the bottom of the outer shell.

Air purifier still includes: the water storage tank is arranged at the bottom of the outer shell and is opposite to the exhaust mechanism.

The exhaust mechanism and/or the water storage tank are/is arranged in the central position of the inner cavity of the outer shell.

An ultraviolet sterilizing lamp is arranged in the water storage tank.

The ultraviolet sterilizing lamp is arranged along the flowing direction of the solution in the water storage tank.

The upper end of the water storage tank is provided with a water diversion plate which faces the water inlet at the upper end of the water storage tank, and the ultraviolet sterilizing lamp is arranged along the vertical direction.

The number of the nozzles is multiple, and the nozzles are gradually densely distributed from the top to the bottom of the outer shell.

The spraying mechanism further comprises: the annular baffle is matched with the outer shell in shape, and the steam supply pipeline is arranged on the annular baffle; the nozzle is arranged on the steam supply pipeline;

the annular baffle and the outer shell body enclose into an annular structure of the spray cavity, and the annular baffle and the exhaust mechanism enclose into an annular structure of the reaction cavity.

The shell body with still be provided with between the annular baffle along shell body inner chamber wall and orientation the guide plate that the shell body top slope set up.

The water diversion plate and the annular baffle plate are enclosed into water mist containing cavities which are respectively communicated with the nozzle and the atomizer.

Air purifier still includes: and the atomizer is respectively communicated with the water storage tank and the spraying mechanism.

The atomizer is an ultrasonic atomizer; the ultrasonic atomizer is arranged in the atomizing pool.

Air purifier still includes:

the cleaning liquid storage cavity is communicated with the atomizer;

and the controller is respectively in communication connection with the valves on the liquid supply pipelines of the cleaning liquid storage cavity and the water storage tank so as to control the on-off of the valves.

The exhaust mechanism includes: a water-vapor separator and a fan; and the air inlet of the water-vapor separator is communicated with the reaction cavity, and the air outlet of the water-vapor separator is communicated with the fan.

The exhaust mechanism further includes: and the negative ion generator is used for introducing active oxygen into the gas passing through the fan.

Air purifier still includes:

humidification mechanism, humidification mechanism includes: and the control valve is arranged on the fan and is driven to open so as to enable the gas in the reaction cavity to be directly communicated with the fan.

And a filtering mechanism for filtering the aqueous solution is also arranged between the water storage tank and the atomizing pool.

The technical scheme of the utility model, have following advantage:

1. the utility model provides an air purifier, include: the air inlet is formed in the outer shell; the air exhaust mechanism is arranged in the outer shell and used for exhausting the filtered air; the spraying mechanism is arranged in the outer shell and is opposite to the outer shell; the spraying mechanism and the outer shell are enclosed to form a spraying cavity, and the spraying mechanism and the exhaust mechanism are enclosed to form a reaction cavity; the spray mechanism includes a nozzle disposed toward the spray chamber.

Enclose into the spraying chamber through spraying mechanism and shell body, rethread spraying mechanism and exhaust mechanism enclose into the reaction chamber, above-mentioned spraying mechanism, shell body and exhaust mechanism have enclosed into a U-shaped cavity under the condition that does not increase the space and occupy, this cavity has increased the reaction time of air and water smoke effectively, can fuse mutually with the air fully at spraying chamber water smoke to make the harmful substance fully reaction in water smoke and the air at the reaction chamber, with the problem of its purifying effect of solving current water smoke air purifier poor.

2. The utility model provides an air purifier, the air inlet is arranged at the bottom of the outer shell, and the communicating opening of the spraying cavity and the reaction cavity is positioned at the top of the outer shell; and the exhaust mechanism is positioned at the top of the outer shell, and the air inlet end of the exhaust mechanism is arranged at one side of the exhaust mechanism close to the bottom of the outer shell.

Through setting up the air inlet the shell body bottom to set up the intercommunication opening of spraying chamber and reaction chamber at the shell body top, set up exhaust mechanism at the shell body top again and make exhaust mechanism's inlet end be close to the bottom of shell body, above-mentioned spatial arrangement mode can increase the reaction time of air and water smoke effectively.

3. The utility model provides an air purifier still includes: the water storage tank is arranged at the bottom of the outer shell and is opposite to the exhaust mechanism.

The water storage tank is arranged at the bottom of the inner cavity of the outer shell, so that water mist after reaction with air can be effectively collected, the space arrangement of the water storage tank is more reasonable, and the water storage tank cannot occupy the space for reaction of air and water mist.

4. The utility model provides an air purifier, be provided with the ultraviolet ray sterilamp in the storage water tank. The ultraviolet sterilizing lamp is arranged along the flowing direction of the solution in the water storage tank.

Harmful substances such as bacteria in water can be effectively killed through the ultraviolet sterilizing lamp. Moreover, the ultraviolet sterilizing lamp is arranged along the flowing direction of the solution in the water storage tank, so that the acting time of water and the ultraviolet sterilizing lamp can be effectively prolonged, and the sterilizing effect of the ultraviolet sterilizing lamp is improved.

5. The utility model provides an air purifier, the nozzle is a plurality of, follows its top of shell body to bottom the quantity of nozzle is intensive gradually.

By arranging the plurality of nozzles collectively at the position of the air inlet of the outer casing, the air and the water mist can be efficiently made to react sufficiently, so that the air just entering the purifier can be efficiently humidified.

6. The utility model provides an air purifier, spraying mechanism still includes: the annular baffle is matched with the outer shell in shape, and the steam supply pipeline is arranged on the annular baffle; the nozzle is arranged on the steam supply pipeline; the annular baffle and the outer shell body enclose into an annular structure of the spray cavity, and the annular baffle and the exhaust mechanism enclose into an annular structure of the reaction cavity.

Can separate into the spraying chamber of loop configuration and the reaction chamber of loop configuration in the shell body effectively through above-mentioned annular baffle, can improve the volume that the air flowed through in air purifier effectively through the spraying chamber and the reaction chamber of above-mentioned loop configuration to improve its reaction abundant degree of air in the shell body.

7. The utility model provides an air purifier, the shell body with still be provided with the edge between the ring baffle wall and orientation in the shell body the guide plate that shell body top slope set up.

The air can be spirally raised through the guide plate, so that the air and the water mist react more fully.

8. The utility model provides an air purifier still includes: and the atomizer is respectively communicated with the water storage tank and the spraying mechanism. The atomizer is an ultrasonic atomizer; the ultrasonic atomizer is arranged in the atomizing pool.

Above-mentioned ultrasonic atomizer is applicable to domestic air purifier, has small, the noise is little and go out the advantage that the fog volume can satisfy domestic needs completely.

9. The utility model provides an air purifier still includes humidification mechanism, humidification mechanism includes: and the control valve is arranged on the fan and is driven to open so as to enable the gas in the reaction cavity to be directly communicated with the fan.

The atomizer is directly communicated with the exhaust mechanism, so that the mist generated by the atomizer can be directly discharged without passing through the water-vapor separator, and the air purifier can effectively realize the humidifying function. Moreover, a humidity measuring mechanism can be additionally arranged so as to measure the humidity of the outside air, so that the air purifier can adjust the humidity of the air as required.

Drawings

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

Fig. 1 is a schematic view of an internal structure of an air purifier according to embodiment 1 of the present invention;

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

fig. 3 is a schematic view of an internal structure of an air purifier according to embodiment 3 of the present invention;

fig. 4 is a schematic position view of a baffle disposed inside an outer casing according to the present invention;

fig. 5 is a schematic view of an internal structure of an air purifier according to embodiment 4 of the present invention;

description of reference numerals:

1-an outer shell; 2-an air inlet; 3-an exhaust mechanism; 4-a spraying mechanism; 5-a nozzle; 6-spraying cavity; 7-a reaction chamber; 8-a communication opening; 9-a water storage tank; 10-ultraviolet sterilizing lamp; 11-a water diversion plate; 12-an annular baffle; 13-a deflector; 14-an atomizer; 15-an atomization pool; 16-a cleaning solution storage chamber; 17-a control valve; 18-water vapor separator; 19-a fan; 20-negative ion generator; 21-a filter mechanism; 22-water mist cavity.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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.

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

Example 1

A home air cleaner, as shown in fig. 1, comprising:

the air conditioner comprises an outer shell 1, wherein the outer shell 1 is of a columnar structure, and an air inlet 2 is formed in the outer shell 1;

an exhaust mechanism 3 provided in the outer case 1 for exhausting the filtered air; the exhaust mechanism 3 is positioned at the top of the outer shell 1, the air inlet end of the exhaust mechanism 3 is arranged at one side of the exhaust mechanism close to the bottom of the outer shell 1, the air inlet 2 is arranged at the bottom of the outer shell 1, and the communication opening 8 of the spray cavity 6 and the reaction cavity 7 is positioned at the top of the outer shell 1; the air inlet 2 is arranged at the bottom of the outer shell 1, the communication opening 8 of the spraying cavity 6 and the reaction cavity 7 is arranged at the top of the outer shell 1, the exhaust mechanism 3 is arranged at the top of the outer shell 1, and the air inlet end of the exhaust mechanism 3 is close to the bottom of the outer shell 1, so that the spatial arrangement mode can effectively increase the reaction time of air and water mist;

the exhaust mechanism 3 includes: a water-vapor separator 18 and a fan 19; the air inlet of the water-vapor separator 18 is communicated with the reaction chamber 7, and the air outlet of the water-vapor separator 18 is communicated with the fan 19. The exhaust mechanism 3 further includes: the negative ion generator 20 is used for introducing active oxygen into the gas passing through the fan 19;

the spraying mechanism 4 is arranged in the outer shell 1 and is opposite to the outer shell 1; the spraying mechanism 4 and the outer shell 1 enclose a spraying cavity 6, and the spraying mechanism 4 and the exhaust mechanism 3 enclose a reaction cavity 7; the spraying mechanism 4 comprises a nozzle 5 arranged towards the spraying chamber 6; the number of the nozzles 5 is multiple, and the number of the nozzles 5 is gradually dense from the top to the bottom of the outer shell 1. By arranging the plurality of nozzles 5 collectively at the position of the air inlet 2 of the outer casing 1, the air and the water mist can be efficiently and sufficiently reacted, so that the air just entering the purifier can be efficiently humidified; as shown in fig. 4, the spraying mechanism 4 further includes: an annular baffle 12 matched with the shape of the outer shell 1; the water diversion plate 11 and the annular baffle 12 enclose a water mist containing cavity 22, and the water mist containing cavity 22 is respectively communicated with the nozzle 5 and an atomization pool 15 provided with the atomizer 14.

The annular baffle plate 12 and the outer shell 1 enclose the spray cavity 6 of an annular structure, and the annular baffle plate 12 and the exhaust mechanism 3 enclose the reaction cavity 7 of an annular structure; in this embodiment, a baffle 13 which is obliquely arranged along the inner cavity wall of the outer shell 1 and towards the top of the outer shell 1 is further arranged between the outer shell 1 and the annular baffle 12; can divide the spray chamber 6 and the reaction chamber 7 of annular structure inside the shell body 1 into effectively through above-mentioned annular baffle 12, can improve the volume that the air flowed through in air purifier effectively through the spray chamber 6 and the reaction chamber 7 of above-mentioned annular structure to improve its reaction abundant degree of air in the shell body 1. Moreover, the air can be spirally raised through the guide plate 13, so that the reaction of the air and the water mist is more sufficient;

the water storage tank 9 is arranged at the bottom of the outer shell 1 and opposite to the exhaust mechanism 3; the exhaust mechanism 3 and the water storage tank 9 are arranged in the center of the inner cavity of the outer shell 1. An ultraviolet sterilizing lamp 10 is arranged in the water storage tank 9, and the ultraviolet sterilizing lamp 10 is arranged along the flowing direction of the solution in the water storage tank 9. The ultraviolet germicidal lamp 10 can effectively kill harmful substances such as bacteria in water. Moreover, the ultraviolet sterilizing lamp 10 is arranged along the flowing direction of the solution in the water storage tank 9, so that the acting time of water and the ultraviolet sterilizing lamp 10 can be effectively prolonged, and the sterilizing effect of the ultraviolet sterilizing lamp 10 is improved; in this embodiment, a water diversion plate 11 is disposed at the upper end of the water storage tank 9 and faces the water inlet at the upper end of the water storage tank 9, and the ultraviolet sterilizing lamp 10 is disposed in the vertical direction;

the atomizer 14 and the atomizer 14 are respectively communicated with the water storage tank 9 and the spraying mechanism 4. The atomizer 14 is an ultrasonic atomizer; the ultrasonic atomizer is arranged in the atomization pool 15.

A cleaning liquid storage chamber 16, the cleaning liquid storage chamber 16 being communicated with the atomizer 14; the cleaning solution storage chamber 16 is filled with a disinfectant. The controller is respectively in communication connection with the valves on the liquid supply pipelines of the cleaning liquid storage cavity 16 and the water storage tank 9 so as to control the on-off of the valves, so that the atomizer 14 atomizes disinfectant to clean the air purifier;

and the filtering mechanism 21 is arranged between the water storage tank 9 and the atomizing pool 15, and the filtering mechanism 21 is a filtering mechanism 21 with a filtering net for filtering the aqueous solution.

Of course, the present invention is not limited to the communication mode between the atomizer 14 and the nozzle 5, and in other embodiments, the water mist chamber 22 is communicated with the steam supply pipeline disposed on the ring-shaped baffle 12 to spray the water mist to the spraying chamber 6; the steam supply line is arranged in the length direction of the annular baffle 12.

Of course, the application of the present invention is not limited to the structure of the outer casing 1, and in other embodiments, the outer casing 1 may also be in other shapes such as a rectangular parallelepiped.

Of course, the utility model discloses the application does not do specific restriction to the position that sets up of air inlet 2, and in other embodiments, air inlet 2 can also set up at the top of shell body 1, and exhaust mechanism 3 sets up the lower part at shell body 1.

Of course, the utility model discloses the application does not do specific restriction to the position that sets up of air inlet 2, and in other embodiments, exhaust mechanism 3 sets up the central point of shell body 1 inner chamber, and storage water tank 9 sets up the bottom at shell body 1.

Of course, the present invention is not limited to the arrangement of the nozzles 5, and in other embodiments, the nozzles 5 are multiple, and the nozzles 5 are uniformly arranged from the top to the bottom of the outer shell 1.

Of course, the present disclosure is not limited to the structure of the atomizer 14, and in other embodiments, the atomizer 14 may also be a high-pressure pump.

Example 2

The present embodiment is different from embodiment 1 in that, as shown in fig. 2, the air cleaner further includes: humidification mechanism, humidification mechanism includes: a control valve 17 disposed on a fan 19, said control valve 17 being drivingly opened to communicate gas in said reaction chamber 7 directly with said fan 19. The mist generated by the atomizer 14 can be directly discharged without passing through the water-vapor separator 18 by the above-mentioned structure, thereby effectively implementing the humidifying function of the air purifier. Moreover, a humidity measuring mechanism can be additionally arranged so as to measure the humidity of the outside air, so that the air purifier can adjust the humidity of the air as required.

Example 3

The present embodiment is different from embodiment 1 in that, as shown in fig. 3, the nozzles 5 are arranged on both sides of the ring baffle 12 facing the outer casing 1 and the exhaust mechanism 3, and the number of the nozzles 5 arranged on one side of the outer casing 1 is larger than that arranged on one side of the exhaust mechanism 3.

Example 4

The difference between this embodiment and embodiment 1 is that, as shown in fig. 5, the water diversion plate 11 and the annular baffle 12 enclose a water mist containing cavity 22, and the water mist containing cavity 22 is respectively communicated with the nozzle 5 and an atomizing pool 15 provided with the atomizer 14. The nozzle 5 is only arranged at the position of the annular baffle plate 12 adjacent to the water mist containing cavity 22, and is directly communicated with the water mist containing cavity 22 through a through hole on the annular baffle plate 12.

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

Claims

1. An air purifier, comprising:

the air conditioner comprises an outer shell (1), wherein an air inlet (2) is formed in the outer shell (1);

the exhaust mechanism (3) is arranged in the outer shell (1) and is used for exhausting the filtered air;

the spraying mechanism (4) is arranged in the outer shell (1) and is opposite to the outer shell (1); the spraying mechanism (4) and the outer shell (1) enclose a spraying cavity (6), and the spraying mechanism (4) and the exhaust mechanism (3) enclose a reaction cavity (7); the spraying mechanism (4) comprises a nozzle (5) arranged towards the spraying chamber (6).

2. The air purifier according to claim 1, wherein the air inlet (2) is arranged at the bottom of the outer shell (1), and the communication opening (8) of the spray chamber (6) and the reaction chamber (7) is arranged at the top of the outer shell (1); and the exhaust mechanism (3) is positioned at the top of the outer shell (1), and the air inlet end of the exhaust mechanism (3) is arranged at one side of the exhaust mechanism close to the bottom of the outer shell (1).

3. The air purifier of claim 2, further comprising: the water storage tank (9), the water storage tank (9) set up in shell body (1) bottom and with exhaust mechanism (3) relative setting.

4. Air purifier according to claim 3, characterized in that the air exhaust mechanism (3) and/or the water storage tank (9) are arranged in a central position of the inner cavity of the outer housing (1).

5. The air purifier according to claim 3 or 4, characterized in that an ultraviolet sterilizing lamp (10) is arranged in the water storage tank (9).

6. The air purifier according to claim 5, wherein the ultraviolet sterilizing lamp (10) is disposed along a flow direction of the solution in the water storage tank (9).

7. The air cleaner according to claim 2, wherein the nozzles (5) are plural, and the number of the nozzles (5) is gradually dense from the top to the bottom of the outer case (1).

8. The air cleaner according to claim 3, wherein the spraying mechanism (4) further comprises: the annular baffle (12) is matched with the outer shell (1) in shape;

the annular baffle (12) and the outer shell (1) enclose into an annular structure the spray cavity (6), and the annular baffle (12) and the exhaust mechanism (3) enclose into an annular structure the reaction cavity (7).

9. The air purifier according to claim 8, wherein a deflector (13) is arranged between the outer shell (1) and the annular baffle (12) and is obliquely arranged along the inner cavity wall of the outer shell (1) and towards the top of the outer shell (1).

10. The air purifier of claim 8, further comprising: and the atomizer (14) is respectively communicated with the water storage tank (9) and the spraying mechanism (4).

11. The air purifier as claimed in claim 10, wherein the upper end of the water storage tank (9) is provided with a water diversion plate (11) arranged towards the water inlet at the upper end of the water storage tank (9); the water diversion plate (11) and the annular baffle (12) are enclosed into a water mist containing cavity (22) which is respectively communicated with the nozzle (5) and the atomizer (14).

12. The air purifier according to claim 10, wherein the atomizer (14) is an ultrasonic atomizer; the ultrasonic atomizer is arranged in the atomizing pool (15).

13. The air purifier of claim 10 or 12, further comprising:

a cleaning liquid storage chamber (16), the cleaning liquid storage chamber (16) being in communication with the atomizer (14);

and the controller is respectively in communication connection with the valves on the liquid supply pipelines of the cleaning liquid storage cavity (16) and the water storage tank (9) so as to control the on-off of the valves.

14. The air purifier of claim 1,

the exhaust mechanism (3) includes: a water-vapor separator (18) and a fan (19); the air inlet of the water-vapor separator (18) is communicated with the reaction cavity (7), and the air outlet of the water-vapor separator (18) is communicated with the fan (19).

15. The air purifier of claim 14, further comprising: humidification mechanism, humidification mechanism includes: a control valve (17) arranged on the fan (19), wherein the control valve (17) is driven to open so as to enable the gas in the reaction cavity (7) to be directly communicated with the fan (19).

16. The air cleaner according to claim 14, wherein the exhaust mechanism (3) further comprises: and the negative ion generator (20), wherein the negative ion generator (20) is used for introducing active oxygen into the gas passing through the fan (19).

17. The air purifier according to claim 12, characterized in that a filtering mechanism (21) for filtering the aqueous solution is further arranged between the water storage tank (9) and the atomization tank (15).