KR20220008462A - Air cleaning device - Google Patents

Abstract

The present invention is capable of improving the effect of purifying the air, the interior is empty and the lower part of the front is provided with air inlet holes in multiple stages; It is provided long in the left and right directions at the rear of the air inlet holes inside the housing and is rotatably provided by driving a first motor, and a plurality of transverse blades are formed to protrude at a circumferential interval around the outer periphery to suck air and a suction rotating body; a rear movement guide provided at upper and lower portions of the suction rotor inside the housing to pass air flowing into the air inlet holes through the upper portion of the suction rotor to move rearward; It is provided in the lower part of the housing and repeatedly passes through filter plates while repeatedly submerging air mixed with foreign substances falling from the rear of the suction rotating body in water to remove foreign substances, and the purified air from which foreign substances are removed is sucked through the suction circuit. Filtering submerged purification means for lifting the entire front to be sucked in the front and the upper portion of the outer circumference of the suction rotary body; an air exhaust duct provided in the transverse direction on the upper portion of the housing and having a plurality of air exhaust fans discharging purified air therein; and an operation control unit connected to the first motor, the filtering submerged purification means, and the air exhaust fans.

Description

Air cleaner {Air cleaning device} with humidification function

The present invention relates to an air purifier having a humidifying function, and more particularly, to an air purifier having a humidifying function capable of improving the purifying effect of air.

BACKGROUND ART In general, an air purifier is a device that purifies indoor air and converts it into fresh air, and a dry air purifier and a wet air purifier are widely used.

In addition, the conventional dry air purifier passes polluted air through a filter to physically filter out foreign substances such as dust contained in the polluted air to purify the air. It purifies the air by removing it with moisture.

Therefore, first, as an example of a conventional wet air purifier, "wet air purifier" (hereinafter referred to as "conventional wet air purifier") of Korean Patent Registration No. 1363326 is known.

A conventional wet air purifier has several vertical walls spaced apart from the bottom of the housing at a predetermined distance from the top of the housing to the inner space, an upper roller installed on the inner partition of the housing at an upper position between the vertical walls, and below the vertical wall. A lower roller installed on the inner bulkhead of the housing with a space therebetween, a filter plate that moves endlessly between the upper and lower rollers, a water container that receives water so that the lower roller is submerged, and is coupled to a water bottle coupling groove at the bottom of the housing; It is configured to include a lifting means that rises so that the lower roller is submerged in water while the water tank is initially coupled after horizontal entry into the canister coupling groove and then rises and fixed.

However, the conventional wet air purifier configured as described above has a problem in that the air purifying effect is deteriorated as it moves endlessly and passes air only through the filter plate in which water has been absorbed.

Republic of Korea Patent Registration No. 1363326 "Wet air purifier"

Accordingly, the present invention has been devised to solve the various problems of the prior art, and an object of the present invention is to remove foreign substances by repeatedly passing air mixed with foreign substances through filter plates while repeatedly submerging in water to remove foreign substances. An object of the present invention is to provide an air purifier having a humidifying function to improve the purifying effect of air by removing foreign substances.

An air purifier having a humidifying function according to the present invention for achieving the above object includes: a housing having an empty interior and provided with air inlet holes in multiple stages at the front lower portion; It is provided long in the left and right directions at the rear of the air inlet holes inside the housing and is rotatably provided by driving a first motor, and a plurality of transverse blades are formed to protrude at a circumferential interval around the outer periphery to suck air and a suction rotating body; a rear movement guide provided at upper and lower portions of the suction rotor inside the housing to pass air flowing into the air inlet holes through the upper portion of the suction rotor to move rearward; It is provided in the lower part of the housing and repeatedly passes through filter plates while repeatedly submerging air mixed with foreign substances falling from the rear of the suction rotating body in water to remove foreign substances, and the purified air from which foreign substances are removed is sucked through the suction circuit. Filtering submerged purification means for lifting the entire front to be sucked in the front and the upper portion of the outer circumference of the suction rotary body; an air exhaust duct provided in the transverse direction on the upper portion of the housing and having a plurality of air exhaust fans discharging purified air therein; and an operation control unit connected to the first motor, the filtering submerged purification means, and the air exhaust fans.

The present invention configured as described above removes foreign substances by repeatedly passing air mixed with foreign substances through filter plates while repeatedly submerging in water to remove foreign substances mixed in the air, thereby improving the air purification effect. There is an effect of providing an air purifier with excellent performance.

1 is a perspective view showing an air purifier having a humidifying function according to the present invention.
Figure 2 is a perspective view schematically showing the inside of the air purifier having a humidifying function according to the present invention.
3 is a cross-sectional view showing the inside of the air purifier having a humidifying function according to the present invention.
4 is an enlarged view showing the 'B part' of FIG.
5 is a cross-sectional view showing an operating state of the air purifier having a humidification function according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. However, it should be understood that the present invention may be embodied in many different forms and is not limited to the described embodiments.

1 is a perspective view showing an air purifier having a humidifying function according to the present invention, FIG. 2 is a perspective view schematically showing the inside of the air purifier having a humidifying function according to the present invention, and FIG. 3 is a humidifying function according to the present invention is a cross-sectional view showing the inside of the air purifier having a, FIG. 4 is an enlarged view showing the 'B part' of FIG. 3, and FIG. 5 is a cross-sectional view showing the operating state of the air purifier having a humidification function according to the present invention.

As shown in the drawing, the air purifier having a humidification function according to the present invention can improve the air purification effect by repeatedly passing air mixed with foreign substances through the filter plates while repeatedly submerging them in water. , a housing (1), a suction rotating body (2), a rear movement guide part (3), a filtering submerged purification means (4), an air exhaust duct (5), and an operation control unit.

The housing 1 includes front and rear plates, both side plates, and upper and lower plates, and is empty inside. In addition, a plurality of air inlet holes 11 are formed in multiple stages in the transverse direction so that polluted air can be introduced into the lower portion of the front of the housing 1 .

It is preferable that the front plate of the housing 1 is arcuately formed from the lower part of the front to the rear so that polluted air can be smoothly introduced into the room.

And, the suction rotating body 2 is provided rotatably by driving the first motor M1 in the left and right directions at the rear of the air inlet holes 11 inside the housing 1, and on the outer periphery A plurality of transverse blades 24 are formed to protrude at a circumferential interval to suck air.

The suction rotor (2) is installed so that both ends are rotated on both side plates of the housing (1) so that foreign substances mixed with the contaminated air can be introduced into the inside of the suction rotor (2) and dropped to the bottom to be removed. The rotation shaft 21 is provided long in the left and right direction, and the first motor M1 is connected to one end thereof, and the rotation shaft 21 is provided with both side plates connected to the outer periphery. An external rotary tube 22 provided with a perforated tube 221 in which a plurality of perforated holes 222 for passing through and discharging to the lower portion are formed, and the outer rotary tube 22 provided to be spaced apart on the inner circumference of the outer rotary tube 22 and having both ends The inner rotating cylindrical network 23 fixed to both side plates of the outer rotating tube 22 to introduce foreign substances to the inside and discharged to the lower side, and formed to protrude at a circumferential distance around the outer periphery of the outer rotating tube 22 It can be configured to include a plurality of transverse blades (24).

Therefore, the present invention sucks the polluted air mixed with foreign substances and introduces it into the perforated pipe 221 of the suction rotating body 2 and the inner rotating cylindrical network 23 to drop it down to remove the air purification effect. that can be improved

In addition, the rear movement guide part 3 is provided on the upper and lower portions of the suction rotor 2 that is inside the housing 1 to suck air flowing into the air inlet holes 11 into the suction rotation body ( 2) passes through the upper part and plays a role in moving it backward.

The rear movement guide part 3 serving as such is provided at the upper and lower portions of the suction rotor 2 and is formed in the upper and lower portions of the suction rotor 2 in the upper and lower portions in the transverse direction. It may be configured to include upper and lower arc-shaped guide plates 31 and 32 that serve to guide the indoor polluted air introduced through the air intake holes 11 to the rear.

In addition, the filtering submerged purification means 4 is provided in the lower part of the housing 1, and while repeatedly submerging the air mixed with foreign substances falling from the rear of the suction rotating body 2 into the water, the filter plate 48 It serves to remove foreign substances by repeatedly passing through the field, and to raise the purified air from which the foreign substances are removed to the front of the suction rotating body 2 to be sucked into the front and upper parts of the outer periphery of the suction rotating body (2).

The filtering submerged purification means 4 serving as such a water tank 41 is provided in the lower inner portion of the housing 1 and is filled with water and the filled water is submerged in the lower portion of the suction rotating body 2; A water level sensor 411 provided at the upper portion of the water tank 41 and connected to an operation control unit to be described later to sense the water level, and an electronic type provided at the rear upper portion of the water tank 41 and connected to an operation control unit to be described later in the middle A water supply pipe 42 provided with a water supply valve V1, and a drain pipe 44 provided at a front lower portion of the water tank 41 and provided with an electromagnetic water discharge valve V2 connected to an operation control unit to be described later in the middle. ), an intermediate blocking plate 45 that is vertically erected in the transverse direction in the middle of the front-rear direction of the water tank 41 and the upper part is submerged in the water tank 41, and the intermediate blocking plate 45 is spaced apart from the rear A rear blocking plate 46 erected vertically in the transverse direction, a lower passage 461 is formed in the lower portion, and the upper portion is connected to the rear of the lower arc-shaped guide plate 32 by a connecting plate, and the intermediate blocking plate 45 It is vertically erected in the horizontal direction spaced apart from the front of the, and a lower passage 471 is formed at the lower part, and the upper part includes a front blocking plate 47 connected to the front of the lower arc-shaped guide plate 32 by a connecting plate. do.

And the filtering submerged purification means (4) is between the rear blocking plate (46) and the rear plate of the housing (1), the rear blocking plate (46) and the intermediate blocking plate (45) so as to filter the contaminated air repeatedly. is provided between the intermediate blocking plate 45 and the front blocking plate 47, and between the front blocking plate 47 and the front plate of the housing 1, and is submerged in water to pass air in a bubble state to remove the air. It may further include a filter plate 48 composed of a plurality of pozzolans to purify.

The filter plate 48 made of the pozzolan filters the polluted air to obtain the effect of filtering out foreign substances, as well as the effect of sterilizing the air by emitting negative ions.

In addition, the water tank 41 is provided under the water tank 41 and connected to a hot water supply means (not shown) such as a known boiler to heat the water in the water tank 41, a hot water pipe 412, and a water tank It may further include a cold water pipe 413 provided at the lower portion of the 41 and connected to a cold water supply means (not shown) for supplying a known cooling water so as to cool the water in the water tank 41 .

Therefore, in the present invention, the user operates the hot water supply means in winter to supply hot water to the hot water pipe 412, thereby increasing the temperature of the air that is purified and discharged in winter to obtain a heating effect, and in summer, the user operates the hot water supply means The cooling effect can also be obtained by lowering the temperature of the air that is purified and discharged by operating the air conditioner.

In addition, the air exhaust duct 5 is provided in the transverse direction on the upper part of the housing 1, and a plurality of air exhaust fans 51 for discharging purified air are provided to be connected to an operation control unit to be described later. It plays a role in discharging the purified air from the inside to the inside of the room.

In addition, the operation control unit (not shown) is connected to the first motor M1, the air exhaust fans 51, and the filtering submerged purification means (4). In addition, the operation control unit receives the sensing data of the water level sensor 411 in real time and automatically opens and closes the water supply valve V1 when the water level filled in the water tank 41 is lower than the preset water level. It may be configured to be supplemented with

Therefore, the present invention can solve the inconvenience of replenishing water by automatically replenishing the water filled in the water tank 41 .

On the other hand, the air purifier according to the present invention may further include a sterilization and humidification means (6) provided at the rear upper portion of the suction rotating body (2) to sterilize air by emitting negative ions and to adjust the amount of moisture.

The sterilization and humidification means 6 is vertically erected above the upper arc-shaped guide plate 31 to sterilize the purified air with negative ions, etc., so that an air passage 62 is formed between the rear plates of the housing 1 . A vertical plate 61 provided and a filter tube 631 provided in the air passage 62 and rotated by a second motor M2 connected to the operation control unit and made of pozzolan for filtering air around the circumference The provided filter tube rotating body 63, the blocking horizontal plate 64 provided in the front and rear of the filter tube rotating body 63 in the transverse direction to block the front and rear of the filter tube rotating body 63, , It is preferable to include a perforated plate 65 provided in the air passage 62 that is the lower part of the filter tube rotating body 63 to discharge moisture contained in the air to the lower part.

In addition, the filter tube 631 composed of the pozzolan filters the polluted air to obtain an effect of filtering foreign substances, as well as an effect of sterilizing the air by emitting negative ions.

In addition, the sterilization and humidification means 6 adjusts the rotation speed of the filter tube rotating body 63 through the operation control of the operation control unit, so that when the suction rotating body 2 rotates, the moisture that rises to the inside rear of the housing 1 It is also possible to humidify the room to an appropriate humidity by adjusting the amount of blown out.

In addition, the sterilization and humidification means 6 is formed in a semi-cylindrical shape in the transverse direction with the filtering rotating body 63 as the center in the transverse direction on the upper part of the filter tube rotating body 63, which is the upper part of the air passage 62, A semi-cylindrical pipe 66 in which a plurality of air passage holes 661 for discharging purified air in the direction of the air exhaust duct 5 are formed in the lateral direction, and the lower portion of each of the air passage holes 661 It may further include a plurality of guide swash plates 662 that are inclined downward from the front to the rear to guide moisture (water) and purified air to be discharged in the direction of the air exhaust duct 5 . That is, each of the guide swash plates 662 guides the water (water) discharged to the rear of the upper portion of the filtering rotating body 63 and the purified air to return to the direction of the air discharge duct 5, so that the water (water) It serves to discharge the over-purified air in the direction of the air exhaust duct (5).

Hereinafter, an operating state of the air purifier having a humidification function according to the present invention configured as described above will be described.

1 to 5, when the air purifier having a humidifying function according to the present invention is operated to purify indoor air, the water tank 41 is first filled with water and then the housing ( 1) Rotate the first and second motors M1 and M2 counterclockwise when viewed from the left.

Then, the suction rotary body 2 is rotated through the rotation of the first motor M1, and the contaminated air in the room is transferred to the upper part of the outside of the suction rotary body 2 through the air inlet holes 11 of the housing 1 . The sucked air mixed with heavy foreign substances flows into the rear lower part of the suction rotor 2 through the rotation of the suction rotor 2 and falls forcibly in the downward direction to fall to the rearmost part of the water tank 41 inside the water tank 41 It is put into the water located at the very rear of the The water filled in the front of the rear blocking plate 46 is again introduced through the lower passage 461 under the plate 46 and moved upward.

Then, the air bubbles raised in the water in front of the rear blocking plate 46 are raised and passed through the pozzolan filter plate 48 located in the upper front of the rear blocking plate 46 to be filtered again.

Then, the air that rises through the filter plate 48 composed of pozzolan located in the upper front of the rear blocking plate 46 moves forward by the rotation of the intake rotor 2 and descends to move down the intermediate blocking plate 45 ) is put into the upper front of the water and passed through the filter plate 48 composed of pozzolan positioned in the upper front of the intermediate blocking plate 45 to be filtered again.

Next, the air descending through the filter plate 48 composed of pozzolan located in the upper front of the intermediate blocking plate 45 is submerged again in the water filled in the front of the intermediate blocking plate 45 to remove foreign substances and the air In a bubble state, the water filled in the front of the front blocking plate 47 is again introduced through the lower passage 471 under the front blocking plate 47 and moved upward.

Next, the air bubbles rising from the water in front of the front blocking plate 47 pass through the filter plate 48 composed of pozzolan located in the upper front of the front blocking plate 47 and the water in the tank, are filtered again, and then are raised. .

Then, the purified air filtered through the filter plate 48 composed of pozzolan located in the upper front of the front blocking plate 47 is light in weight, The light-weight purified air that is sucked into the upper part, passes through the lower part of the upper arc-shaped guide plate 31, and passes the lower part of the upper arc-shaped guide plate 31, is sent to the air exhaust duct 5 at the upper part of the housing 1 ) passes through the sterilization means (6) to the suction power of the air exhaust fans (51) provided in the housing (1) and rises from the inner rear of the housing (1) to the upper part.

And the moisture (water) and purified air rising from the rear inside the housing 1 to the top of the filter tube rotating body 63 composed of the pozzolan of the sterilizing and humidifying means 6 formed in the upper part of the housing 1 It passes through the inside of the filter tube 631, is filtered again, purified, and then discharged into the room. In addition, the user adjusts the operation control unit to adjust the rotation speed of the filter tube 631 of the sterilization and humidification means 6, so that the water (water) mixed with the purified air that rises when the suction rotating body 2 rotates. It is also possible to humidify the room to an appropriate humidity by adjusting the discharge amount.

Accordingly, the present invention is a useful invention that can provide an air purifier with excellent air purification performance that can improve the air purification effect by repeatedly passing air mixed with foreign substances through filter plates while repeatedly submerging in water to remove foreign substances to be.

In addition, the air purifier according to the present invention is provided in the rear of the housing 1, is filled with salt, and a plurality of holes are formed around and in the front to sterilize the purified air that is raised by spraying salt (C1) And, a cypress barrel (C2) which is provided in the rear of the housing (1), is filled with pieces of cypress, and has a number of holes formed around and in the front to inject phytoncide incense and add phytoncide to the purified air that rises. And, a green tea leaf barrel provided in the rear of the housing 1, filled with green tea leaves, and formed with a number of holes around and in the front, to inject green tea flavor into the rising purified air and add green tea flavor to the purified air. (C3) may be further included.

Therefore, the present invention sterilizes the purified air discharged through the salt discharged from the salt container (C1), and phytoncide scent through the phytoncide scent and green tea scent discharged from the cypress wood barrel (C2) and the green tea leaf barrel (C3) in the purified air There is also the advantage of adding green tea flavor.

Although preferred embodiments of the present invention have been described above, various changes, modifications and equivalents may be used in the present invention. It is clear that the present invention can be equally applied by appropriately modifying the above embodiments. Accordingly, the above description does not limit the scope of the invention defined by the limits of the following claims.

On the other hand, although specific embodiments have been described in the detailed description of the present invention, it will be apparent to those of ordinary skill in the art that various modifications are possible without departing from the scope of the present invention.

1: housing
11: air inlet hole
2: suction rotating body
21: axis of rotation
22: outer rotating tube
221: perforated pipe, 222: perforated hole
23: inner rotating cylindrical network
24: transverse wings
3: rear movement guide part
31: upper arc guide plate
32: lower circular guide plate
4: Filtering submerged purification means
41 : water tank
42: water supply pipe
44: drain pipe
45: middle blocking plate
46: rear blocking plate
47: front blocking plate
48: filter plate
5: air exhaust duct
51: air exhaust fan
6: sterilization humidification means
61: vertical plate
62: air passage
63: filter tube rotating body
64: blocking horizontal plate
65: perforated plate
66: semi-cylindrical tube

Claims (9)

a housing having an empty interior and having air inlet holes formed in multiple stages at a lower front thereof;
It is provided long in the left and right directions at the rear of the air inlet holes inside the housing and is rotatably provided by driving a first motor, and a plurality of transverse blades are formed to protrude at a circumferential interval around the outer periphery to suck air and a suction rotating body;
a rear movement guide provided at upper and lower portions of the suction rotor inside the housing to pass air flowing into the air inlet holes through the upper portion of the suction rotor to move backward;
It is provided in the lower part of the housing and repeatedly passes through filter plates while repeatedly immersing air mixed with foreign substances falling from the rear of the suction rotating body in water to remove foreign substances, and the purified air from which foreign substances are removed is sucked through the suction circuit. Filtering submerged purification means for lifting the entire front to be sucked in the front and the upper portion of the outer circumference of the suction rotary body;
an air exhaust duct provided on the upper portion of the housing in the transverse direction and provided with a plurality of air exhaust fans discharging purified air therein;
and an operation control unit connected to the first motor, the filtering submerged purification means, and the air exhaust fans. According to claim 1,
The suction rotor is
A rotation shaft having both end portions rotatably installed on both side plates of the housing and elongated in the left and right directions, one end of which is connected to a first motor;
An external rotation tube provided with both side plates connected to the outer circumference of the rotation shaft and provided with a perforated tube in which a plurality of perforated holes for passing foreign substances through and discharging to the lower part are formed around the circumference between the both side plates;
An inner rotating cylindrical network provided to be spaced apart around the inner circumference of the outer rotating tube and having both ends fixed to both side plates of the outer rotating tube to introduce foreign substances into the inner rotating tube and discharge it downward;
Air purifier with a humidification function, characterized in that it comprises a plurality of transverse blades formed to protrude at a circumferential interval on the outer periphery of the outer rotating tube. According to claim 1,
The rear movement guide part
Air purifier having a humidification function, characterized in that it is provided on the upper and lower portions of the suction rotor and includes upper and lower arc-shaped guide plates formed in the upper and lower portions of the suction rotor in the upper and lower portions in the horizontal direction. . According to claim 1,
The filtering immersion purification means
a water tank provided in the lower inner portion of the housing, filled with water, and submerged in the lower portion of the suction rotating body;
a water level sensor provided on the upper part of the water tank and connected to the operation control unit to sense the water level;
A water supply pipe provided in the upper rear portion of the water tank and provided with an electronic water supply valve connected to the operation control unit in the middle;
A drain pipe provided at the lower front of the water tank and provided with an electronic water discharge valve connected to the operation control unit in the middle;
an intermediate blocking plate that is vertically erected in the transverse direction in the middle of the front-rear direction of the water tank and the upper part is submerged in the water tank;
a rear blocking plate that is vertically erected in the transverse direction to be spaced apart from the rear of the intermediate blocking plate, a lower passage is formed in the lower portion, and the upper portion is connected to the rear of the lower arc-shaped guide plate;
a front blocking plate that is vertically erected in the transverse direction to be spaced apart from the front of the intermediate blocking plate, a lower passage is formed in the lower portion, and an upper portion is connected to the front of the lower arc-shaped guide plate;
They are provided between the rear blocking plate and the rear plate of the housing, between the rear blocking plate and the intermediate blocking plate, between the intermediate blocking plate and the front blocking plate, and between the front blocking plate and the front plate of the housing, respectively, to be submerged in water and allow air to pass through. An air purifier with a humidifying function, comprising a filter plate composed of a plurality of pozzolans for purifying the air. 5. The method of claim 4,
The operation control unit
A humidification function, characterized in that by receiving the sensing data of the water level sensor in real time and automatically replenishing water by automatically opening and closing the water supply valve when the water level filled in the water tank is lower than a preset water level having an air purifier. 5. The method of claim 4,
The tank is
A hot water pipe provided at the bottom of the water tank and connected to a hot water supply means to heat the water in the water tank;
The air purifier having a humidification function, characterized in that it is provided at the bottom of the water tank and further comprises a cold water pipe connected to the cold water supply means to cool the water in the water tank. 7. The method according to any one of claims 1 to 6,
the air purifier
Further comprising a sterilization and humidification means provided at the rear upper portion of the suction rotating body to filter the air again,
The sterilization and humidification means
a vertical plate standing vertically above the upper arc-shaped guide plate to form an air passage between the rear plates of the housing;
A filter tube rotating body provided in the air passage and rotated by a second motor connected to the operation control unit and provided with a filter tube made of pozzolan for filtering air around the periphery;
A blocking horizontal plate provided in the transverse direction at the front and rear of the filter tube rotating body to block the front and rear of the filter tube rotating body,
The air purifier having a humidification function, characterized in that it includes a perforated plate provided in the air passage, which is a lower portion of the filter tube rotating body, for discharging moisture contained in the air to the lower portion. 8. The method of claim 7,
The sterilization and humidification means
A plurality of air passages formed in a semi-cylindrical shape in the transverse direction with the filtering rotating body as the center in the transverse direction on the upper part of the filter tube rotating body, which is the upper part of the air passage, and discharging purified air in the direction of the air exhaust duct around the circumference. A semi-cylindrical tube in which the hole is formed in the transverse direction,
Air purifier having a humidification function, characterized in that it further comprises a plurality of guide swash plate formed to be inclined downwardly from front to rear at the lower front of each of the air passage holes. 7. The method according to any one of claims 1 to 6,
the air purifier
A salt container provided in the rear of the housing and filled with salt, and a plurality of holes are formed around and in the front to sterilize the purified air that is raised by spraying salt;
A cypress tree provided in the rear of the housing, filled with pieces of cypress, and formed with a number of holes in the periphery and in the front to eject a phytoncide scent and add a phytoncide scent to the purified air;
It is provided at the rear of the housing, is filled with green tea leaves, and a plurality of holes are formed around and in the front to eject green tea scent to the purified air that rises, further comprising a green tea leaf barrel for adding green tea flavor to the purified air An air purifier with a humidifying function.

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