KR20210090578A - Air cleaner - Google Patents

Abstract

The present invention is to provide an air purifier having a structure in which the performance of sterilizing bacteria or viruses contained in the air is enhanced. According to an embodiment of the present invention, an air purifier may comprise: an air suction unit which is provided on the lower side, and through which external air is sucked; a sterilizing unit disposed in a path through which the air sucked from the air suction unit flows; a fan device disposed on the upper side of the sterilizing unit; a storage device disposed on the upper side of the fan device and storing a sterilizing material that is vaporized by the flowing air and discharged to the outside; and an air discharge unit through which the air that has passed through the storage device is discharged to the outside.

Description

Air purifier {AIR CLEANER}

The present invention relates to an air purifier, and more particularly, to an air purifier disposed in a residential space or an office space.

The content described in this section merely provides background information on the present invention and does not constitute the prior art.

In general, the indoor air of a building is polluted by harmful substances such as dust contained in the indoor air and carbon dioxide and moisture generated by human breathing, which are harmful substances generated from building materials. Therefore, the indoor air requires periodic ventilation.

In other words, ventilation refers to exchanging outdoor air or conditioned air with indoor air to adjust the air environment of the living space. There is forced ventilation.

However, the natural ventilation method as described above is inconvenient for residents to open and close the window, and in particular, when a large amount of pollutants such as fine dust is contained in the atmosphere, natural ventilation is reluctant.

Accordingly, the use of air purifiers that remove foreign substances, bacteria, viruses, etc. contained in the indoor air by sucking the indoor air for forced ventilation is continuously increasing.

Recently, in a situation where the issue of fine dust and ultrafine dust is continuously increasing, air purifiers are routinely used to remove foreign substances such as dust, bacteria, and viruses floating in the air in residential and office spaces where users stay. have.

Unlike an air conditioner, an air purifier does not have a function of cooling or heating, and it is common that it also does not have a function of removing moisture in the air.

Therefore, since the air purifier is manufactured for the main purpose of cleaning the air, it can be manufactured very compactly as compared to the air conditioner.

The air purifier may be manufactured in a structure that is easy to move in a residential or office space for convenience of use, or may be manufactured in a wall-mounted form to increase space utilization.

Air purifiers are mainly used to remove foreign substances and sterilize bacteria or viruses.

Recently, due to the global pandemic of the Corona 19 virus, the need to strengthen the sterilization function of the virus in the air purifier is increasing.

On the other hand, a disinfection device may be provided in the room to sterilize the air in the room. Such a disinfection device is generally used in such a way that the disinfectant material is periodically sprayed in the form of a spray to sterilize bacteria or viruses contained in the air.

It is an object of the present invention to provide an air purifier having a structure with enhanced performance for sterilizing bacteria or viruses contained in the air.

Another object of the present invention is to provide an air purifier having a structure having a function of a disinfection device by sterilizing indoor air by spraying a sterilizing material.

Another object of the present invention is to provide an air purifier having a structure that can effectively remove foreign substances in the air sucked into the air.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention not mentioned may be understood by the following description, and will be more clearly understood by the examples of the present invention. Moreover, it will be readily apparent that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

An embodiment of the air purifier is provided on the lower side, an air suction unit through which external air is sucked, a sterilization unit disposed in a path through which air sucked from the air suction unit flows, a fan device disposed above the sterilization unit, a fan It may include a storage device disposed on the upper side of the device and storing a sterilizing material that is vaporized by flowing air and discharged to the outside, and an air outlet through which the air passing through the storage device is discharged to the outside.

The sterilization unit may be provided with a lamp irradiating C-type ultraviolet (Ultra Violet C, UVC).

An embodiment of the air purifier may further include a filter unit disposed between the air intake unit and the sterilization unit.

The filter unit is provided to have a hollow portion surrounding the sterilization unit, and a first filter disposed to face the air intake unit, a third filter disposed to face the sterilization unit, and disposed between the first filter and the third filter, One surface may include a second filter attached to the first filter and the other surface attached to the third filter.

The second filter may be provided as a HEPA filter, and the third filter may be provided as an activated carbon filter.

An embodiment of the air purifier is disposed on the upper side of the sterilization unit, a first frame on which the sterilization unit is mounted, and a second frame disposed on the upper side of the first frame and disposed below the storage device, the fan device being rotatably mounted. It may further include a frame.

The sterilizing material may be stored in a storage device in the form of a gel (GEL) containing chlorine dioxide.

An embodiment of the air purifier is provided on the case, which forms the exterior of the air purifier, is provided on the case, is provided on the first display unit displaying the quality of external air, and is provided on the air discharge unit, receives a user's command, and the air purifier It may further include an interface unit for displaying the operating state of the.

In the air purifier according to the present invention, the filter unit is provided by the first filter, the second filter, and the third filter, so that the filtering ability of the foreign substances in the air purifier is improved, and at the same time, the odor caused by the foreign substances can be effectively removed.

In addition, in the air purifier according to the present invention, a storage device for storing a sterilizing material is provided inside the air purifier, and the sterilizing material is vaporized by the air flowing therein and diffused into the room, so that the air purifier functions as a disinfecting device. It can effectively function for air purification and indoor disinfection.

In addition, in the air purifier according to the present invention, bacteria and viruses contained in the air flowing through the inside of the air purifier can be sterilized by the sterilizing material stored in the storage device disposed at the position facing the air outlet. Accordingly, the sterilization function of the air purifier can be effectively strengthened.

In addition to the above-described effects, the specific effects of the present invention will be described together while describing specific details for carrying out the invention below.

1 is a perspective view showing an air purifier according to an embodiment.
2 is an enlarged view of an upper portion of an air purifier according to an embodiment.
3 is a view for explaining the internal structure of the air purifier according to an embodiment.
4 is a diagram schematically showing the structure of an air purifier according to an embodiment.
5 is a view for explaining the control of the air purifier according to an embodiment.

The above-described objects, features and advantages will be described below in detail with reference to the accompanying drawings, and accordingly, those of ordinary skill in the art to which the present invention pertains will be able to easily implement the technical idea of the present invention. In describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to indicate the same or similar components.

Although the first, second, etc. are used to describe various elements, these elements are not limited by these terms, of course. These terms are only used to distinguish one component from other components, and unless otherwise stated, the first component may be the second component, of course.

Throughout the specification, unless otherwise stated, each element may be singular or plural.

As used herein, the singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as "consisting of" or "comprising" should not be construed as necessarily including all of the various components or various steps described in the specification, some of which components or some steps are It should be construed that it may not include, or may further include additional components or steps.

Throughout the specification, when “A and/or B” is used, it means A, B or A and B, unless specifically stated to the contrary, and when “C to D” is used, it means that there is no specific contrary description. Unless otherwise specified, it means that it is greater than or equal to C and less than or equal to D.

1 is a perspective view showing an air purifier according to an embodiment. The air purifier according to the embodiment is mainly disposed in a residential space, an office space, etc. to suck indoor air, filter out foreign substances such as dust contained in the inhaled air, and sterilize bacteria, viruses, etc. in the air.

Air purifiers are mainly used to remove foreign substances and sterilize bacteria or viruses. Recently, due to the global pandemic of the Corona 19 virus, the need to strengthen the sterilization function of the virus in the air purifier is increasing.

On the other hand, a disinfection device may be provided in the room to sterilize the air in the room. Such a disinfection device is generally used in such a way that the disinfectant material is periodically sprayed in the form of a spray to sterilize bacteria or viruses contained in the air.

Considering that the COVID-19 virus is a pandemic, it is expected that the trend of installing disinfection devices in residential or office spaces will increase. At this time, in order to increase the efficiency of the space, it is necessary to manufacture an air purifier having a structure in which a function of a disinfection device is added.

Accordingly, the embodiment provides an air purifier having a structure in which the performance of sterilizing bacteria or viruses contained in the air is enhanced. In addition, in the embodiment, by spraying a sterilizing material to sterilize the air in the room, there is provided an air purifier having a structure having a function of a disinfection device together.

In addition, the embodiment provides an air purifier having a structure capable of effectively removing foreign substances in the air sucked into the air purifier in order to strengthen the basic function of the air purifier. Hereinafter, the structure of the present invention will be described in detail with reference to the drawings.

2 is an enlarged view of an upper portion of an air purifier according to an embodiment. 3 is a view for explaining the internal structure of the air purifier according to an embodiment. 4 is a diagram schematically showing the structure of an air purifier according to an embodiment.

The air purifier according to the embodiment may be manufactured to have a structure that is placed on an indoor floor and can be easily moved by a user. The air purifier may include an air intake unit 100 , a sterilizer unit 200 , a fan device 300 , a storage device 400 , and an air discharge unit 500 .

The air purifier according to the embodiment may be provided in a structure that sucks air from a lower portion and discharges air that has undergone removal of foreign substances and sterilization to an upper portion. Accordingly, in the air purifier, the air intake unit 100 may be provided at the lower portion, and the air discharge unit 500 may be provided at the upper portion.

The air purifier according to the embodiment may have a generally cylindrical shape. Accordingly, the case 10 forming the outer shape of the air purifier may also be formed in the shape of a hollow cylinder.

The air intake unit 100 is provided at the lower side, and may serve as an inlet for sucking external air, that is, indoor air containing contaminants such as foreign substances and viruses. The air intake unit 100 may be provided to form a lower portion of the case 10 .

For example, the air intake unit 100 may be formed by forming a plurality of through holes in the lower portion of the case 10 . By the operation of the fan device 300 , external air may be sucked into the air purifier through the air suction unit 100 .

The sterilization unit 200 may be disposed in a path through which the air sucked from the air suction unit 100 flows, and may serve to sterilize bacteria, viruses, etc. contained in the air sucked into the air purifier.

In the air purifier according to the embodiment, the sterilization unit 200 may be disposed in the hollow part 601 in the filter part 600 having the hollow part 601 , for example. Due to this structure, a mounting space for the sterilizing unit 200 is secured, and the volumetric efficiency of the entire air purifier can be increased.

The sterilization unit 200 may have a structure necessary for sterilization of bacteria and viruses. Accordingly, the sterilization unit 200 may be provided as a lamp irradiating ultraviolet rays, for example, having a simple structure and no need to add a separate sterilizing material.

For example, the sterilization unit 200 may be provided with a lamp irradiating C-type ultraviolet (Ultra Violet C, UVC). C-type ultraviolet light has a wavelength of approximately 100 nm to 280 nm, and has the characteristics of sterilization, organic decomposition, and photopolymerization.

In particular, UV-C type has excellent sterilization and virus sterilization effects. Therefore, it is possible to effectively sterilize the bacteria contained in the inhaled air, viruses including Corona 19.

The lamp is connected to communicate with the control unit 910 of the air purifier, and may be electrically connected to an external power supply. Accordingly, the lamp is turned on under the control of the controller 910 to irradiate the C-type ultraviolet rays to the air sucked into the air purifier.

The fan device 300 may be disposed above the sterilization unit 200 . The fan device 300 may include a fan and a motor in which the fan and the rotating shaft are coupled to rotate the fan. The fan device 300 may be communicatively connected to the control unit 910 and may be electrically connected to an external power supply.

With the rotation of the fan, air is sucked into the air purifier from the air intake unit 100 and flows continuously to remove foreign substances and sterilize, and then can be discharged to the outside of the air purifier through the air discharge unit 500 .

The storage device 400 is disposed above the fan device 300 , and a sterilizing material that is vaporized by flowing air and discharged to the outside may be stored. The storage device 400 will be described in more detail below.

The air discharge unit 500 may serve as a passage through which the air that has passed through the storage device 400 is discharged to the outside. Referring to FIG. 2 , the air outlet may be provided in a structure in which a through hole is formed in an upper portion of the air purifier.

In the air purifier according to the embodiment, the fan device 300 may be provided as an axial flow type for flowing air from the bottom to the top of the air purifier. Accordingly, the air discharge unit 500 may be provided in a form corresponding to the axial fan device 300 .

That is, the air discharge unit 500 may be provided to have a through hole formed in a ring shape in the circumferential direction of the air purifier in the upper part of the cylindrical air purifier. In this case, the interface unit 820 may be mounted on the inner periphery of the air discharge unit 500 .

Since the air that has passed through the storage device 400 is discharged to the outside through the air discharge unit 500 , the air discharge unit 500 may be disposed above the storage device 400 .

On the other hand, the external appearance of the air discharge unit 500 and the interface unit 820 may be integrally formed. That is, the through hole is formed at the edge of the air discharge unit 500 , and the outer shape of the interface unit 820 may be provided inside the through hole, that is, at the center of the air discharge unit 500 .

In this case, the through hole and the outer shape of the interface unit 820 may be integrally formed by, for example, injection molding.

The air purifier according to the embodiment may further include a filter unit 600 . The filter unit 600 is disposed between the air suction unit 100 and the sterilizer 200 , and may filter foreign substances such as dust contained in the air sucked from the air suction unit 100 .

The filter unit 600 may be provided to have a hollow portion 601 surrounding the sterilization unit 200 . Accordingly, the filter unit 600 may be built into the air purifier in the form of a hollow cylinder as a whole.

The filter unit 600 is disposed at a position facing the air suction unit 100 , and the air sucked from the air suction unit 100 directly passes through the filter unit 600 , and thus dust contained in the suctioned air. Foreign substances, such as, may be filtered by the filter unit 600 .

A lamp-shaped sterilization unit 200 may be mounted in the hollow portion 601 formed by the filter unit 600 . Accordingly, the air may sequentially flow to the air intake unit 100 , the filter unit 600 , and the sterilization unit 200 . Accordingly, foreign substances contained in the air flowing through the filter unit 600 and the sterilization unit 200 may be removed and sterilization may be performed.

In the filter unit 600 having a hollow cylindrical shape, the outer circumferential surface of the filter unit 600 faces the air discharge unit 500 , and the inner circumferential surface of the filter unit 600 faces the sterilization unit 200 . can be In this case, the filter unit 600 may be formed in a multi-layered structure in which each filter is stacked.

Accordingly, the filter unit 600 may include a first filter 610 , a second filter 620 , and a third filter 630 . The first filter 610 , the second filter 620 , and the third filter 630 may be attached to each other by, for example, an adhesive or by pressing.

The first filter 610, the second filter 620, and the third filter 630 are stacked in the direction in which the air flows, so that the first filter 610 is formed outside the filter unit 600, and the second filter is formed in the middle. A third filter 630 may be disposed on the filter 620 and the inner portion.

In this case, the second filter 620 and the third filter 630 may be disposed in a structure in which the order is changed. That is, the first filter 610 may be disposed outside the filter unit 600 , the third filter 630 may be disposed in the middle, and the second filter 620 may be disposed inside the filter unit 600 .

Hereinafter, a structure in which the first filter 610 is disposed on the outer side of the filter unit 600 , the second filter 620 is disposed in the middle, and the third filter 630 is disposed at the inner portion of the filter unit 600 , for example. The structure will be described in detail.

On the other hand, foreign substances filtered through the filter unit 600 can fall to the lower part of the filter unit 600 by gravity, and there is a dust collector that collects these foreign substances and a storage container that communicates with the dust collector and can store foreign substances. It may be provided in the air purifier.

The first filter 610 may be disposed to face the air intake unit 100 . The first filter 610 may serve to filter particles having relatively large particles among foreign substances contained in the air introduced into the air purifier.

The first filter 610 may be relatively thicker than the second filter 620 and the third filter 630 , and has a structure in which air can pass and foreign substances with relatively large particles cannot pass through. can be

The third filter 630 may be disposed to face the sterilization unit 200 . The second filter 620 is disposed between the first filter 610 and the third filter 630 , and one surface is attached to the first filter 610 and the other surface is attached to the third filter 630 . It can be provided as much as possible.

The second filter 620 and the third filter 630 may filter foreign substances having relatively smaller particles than the foreign substances filtered by the first filter 610 .

The second filter 620 may be, for example, a HEPA (High Efficiency Particulate Air) filter. Fine dust refers to particles with a diameter of 10 μm or less.

The HEPA filter is a filter that can filter fine dust, and can block fine dust with a particle diameter of about 0.3 μm. Therefore, by forming the second filter 620 as a HEPA filter, it is possible to effectively filter fine dust sucked into the air purifier.

The third filter 630 may be, for example, an activated carbon filter. Foreign substances introduced into the third filter 630 may be adsorbed to the activated carbon filter by carbon contained in the activated carbon filter.

Accordingly, the fine foreign matter still remaining in the air that has passed through the HEPA filter may be filtered by being adsorbed to carbon in the third filter 630 . Since the third filter 630 is provided as an activated carbon filter, odors generated by foreign substances contained in the air can be effectively removed.

On the other hand, the microscopic virus introduced into the hollow part 601 of the filter unit 600 without being filtered by the first filter 610 , the second filter 620 and the third filter 630 is in the hollow part. It may be sterilized by the sterilization unit 200 disposed in the 601 .

In the embodiment, the filter unit 600 is provided by the first filter 610, the second filter 620 and the third filter 630, thereby improving the filtering ability of foreign substances in the air purifier, and at the same time Bad odors can also be effectively removed.

Meanwhile, the air purifier may further include a first frame 710 and a second frame 720 mounted therein. The first frame 710 and the second frame 720 may be provided to embed the storage device 400 , the sterilization unit 200 , the fan device 300 , and the like inside the air purifier.

The first frame 710 is disposed above the sterilization unit 200 , and the sterilization unit 200 may be mounted thereon. Since the sterilization unit 200 is provided with a lamp, it is appropriate that the first frame 710 is provided so that the lamp is detachable from the first frame 710 for maintenance.

In addition, the first frame 710 needs to be provided with a connection structure such as a cable that electrically connects the power supply device and the sterilizer 200 to each other so that power can be supplied to the sterilization unit 200 from an external power supply device. have. In addition, the first frame 710 may be provided with a connection structure for connecting the control unit 910 and the sterilization unit 200 so that communication is possible.

The second frame 720 may be disposed on the upper side of the first frame 710 and disposed below the storage device 400 , and the fan device 300 may be rotatably mounted.

Like the first frame 710, the second frame 720 has a cable for electrically connecting the power supply device and the fan device 300 to each other so that power can be supplied to the fan device 300 from an external power supply device. A connection structure needs to be provided. In addition, the second frame 720 may be provided with a connection structure for connecting the control unit 910 and the fan device 300 so that communication is possible.

Meanwhile, the first frame 710 and the second frame 720 may be provided to be coupled to the case 10 . At this time, for convenience of maintenance, the first frame 710 and the second frame 720 may have a structure disposed inside the case 10 and coupled to the case 10 to be easily detachable.

The storage device 400 is disposed on the upper side of the fan device 300 and may be provided in the form of a storage container for storing a sterilizing material. In order for the sterilizing material stored in the storage container to be vaporized by the flow of air, the storage container may be formed, for example, in a void through which air flows, or may be formed in a mesh-shaped container.

The sterilizing material stored in the storage device 400 is vaporized by the air flowing inside the air purifier by the fan device 300 and discharged to the outside of the air purifier through the air discharge unit 500, and is discharged into the room in the form of gas. can spread.

Due to this structure, the sterilizing material discharged into the room in a gaseous state from the air purifier can diffuse into the room to sterilize bacteria and viruses floating in the air of the room. Accordingly, the air purifier may have a function of a disinfection device that sprays a sterilizing material into the air of the room in a gaseous state.

In this case, the sterilizing material may _{include chlorine dioxide (ClO 2} ). Chlorine dioxide has the property of sterilizing bacteria and viruses, and is harmless to the human body and respiratory system.

On the other hand, the sterilizing material needs to be easily vaporized when exposed to flowing air. In order to be easily vaporized by air, the sterilizing material may be provided as a whole in the form of a gel (GEL).

Accordingly, the sterilizing material may be stored in the storage device 400 in the form of a gel containing chlorine dioxide. For example, the sterilizing material may be formed in a form in which the chlorine dioxide is contained in the gel-forming medium. Of course, the medium for forming the gel may also be provided with a material harmless to the human body and the respiratory system of the human body.

Meanwhile, all of the sterilizing material stored in the storage device 400 may be vaporized through continuous and repeated use of the air purifier. Therefore, to replace the storage device 400 or to recharge the storage device 400 with a sterilizing material, the storage device 400 may be mounted to the inside of the air purifier to be detachably attached.

In an embodiment, a storage device 400 for storing a sterilizing material is provided inside the air purifier, and the sterilizing material is vaporized by the air flowing inside and diffused into the room, so that the air purifier has a function of a sterilizing device, It can effectively function in air purification and disinfection of the room.

4 is a diagram schematically showing the structure of an air purifier according to an embodiment. Arrows indicated by hidden lines in FIG. 4 indicate the flow direction of air inside the air purifier.

The air flowing through the air cleaner may be sterilized by the sterilization unit 200 . However, even if the sterilization unit 200 sterilizes the air, due to the continuous use of the air purifier, bacteria, viruses, etc. may proliferate in the fan device 300 and the space in which the fan device 300 is placed. .

In the air purifier according to the embodiment, the fan device 300 and bacteria and viruses that have grown around the fan device 300 may be sterilized again by the sterilizing material stored in the storage device 400 .

Due to this structure, bacteria and viruses contained in the air flowing through the inside of the air purifier can be sterilized by the sterilizing material stored in the storage device 400 disposed at a position facing the air discharge unit 500 . Accordingly, the sterilization function of the air purifier can be effectively strengthened.

5 is a view for explaining the control of the air purifier according to an embodiment. The air purifier may include a control unit 910 that controls its overall operation.

In addition, the air purifier may further include a first display unit 810 connected to the control unit 910 , an interface unit 820 , and a dust sensor 920 . Of course, the controller 910 may be connected to the fan device 300 to control the operation of the fan device 300 .

The dust sensor 920 may, for example, be disposed at a position adjacent to the air intake unit 100 of the air purifier to detect the density of dust in the air sucked into the air purifier. The density of dust detected by the dust sensor 920 may be transmitted to the controller 910 .

The control unit 910 may transmit the density of the dust received from the dust detection sensor 920 to the first display unit 810 . The first display unit 810 is provided on the case 10 and may display the quality of the outside air. Referring to FIG. 1 , the first display unit 810 may be provided on the side of the case 10 , and may include an LED 811 indicating the quality of external air.

The LED 811 provided in the first display unit 810 may display the quality of the outside air by changing the color. For example, the LED 811 irradiates light with a red color as the air quality is poor, and irradiates light with a blue color as the air quality is good, indicating the air quality. can

The interface unit 820 may be provided on the air discharge unit 500 and may receive a user's command and display the operating state of the air purifier. The interface unit 820 may include an input unit 821 and a second display unit 822 .

The input unit 821 is a part in which a user inputs a command for operating and stopping the air purifier, and may be provided as, for example, a physical button or a touch-type button.

The second display unit 822 is a part through which the user can grasp the operating state of the air purifier, information necessary for operation, the current quality of outside air, and the like, and may be provided as, for example, a character recognition type display device.

As described above, the present invention has been described with reference to the illustrated drawings, but the present invention is not limited by the embodiments and drawings disclosed in this specification, and various methods can be obtained by those skilled in the art within the scope of the technical spirit of the present invention. It is obvious that variations can be made. In addition, although the effects according to the configuration of the present invention are not explicitly described and described while describing the embodiments of the present invention, it is natural that the effects predictable by the configuration should also be recognized.

10: case
100: air intake
200: sterilization unit
300: fan unit
400: storage device
500: air outlet
600: filter unit
601: hollow
610: first filter
620: second filter
630: third filter
710: first frame
720: second frame
810: first display unit
811: LED
820: interface unit
821: input unit
822: second display unit
910: control unit
920: dust sensor

Claims (8)

an air suction unit provided on the lower side, through which external air is sucked;
a sterilizing unit disposed in a path through which the air sucked from the air suction unit flows;
a fan device disposed above the sterilizer;
a storage device disposed above the fan device and storing a sterilizing material that is vaporized by flowing air and discharged to the outside; and
An air outlet through which the air that has passed through the storage device is discharged to the outside
containing,
air cleaner. According to claim 1,
The sterilization unit,
provided with a lamp irradiating C-type ultraviolet (Ultra Violet C, UVC),
air cleaner. According to claim 1,
A filter part disposed between the air intake part and the sterilization part
further comprising
air cleaner. 4. The method of claim 3,
The filter unit,
It is provided to have a hollow part surrounding the sterilization part,
a first filter disposed to face the air intake;
a third filter disposed to face the sterilizing unit; and
A second filter disposed between the first filter and the third filter, one surface attached to the first filter and the other surface attached to the third filter
containing,
air cleaner. 5. The method of claim 4,
The second filter is provided as a HEPA filter, and the third filter is provided as an activated carbon filter,
air cleaner. According to claim 1,
a first frame disposed above the sterilization unit and mounted with the sterilization unit; and
A second frame disposed above the first frame and disposed below the storage device, the fan device being rotatably mounted.
further comprising,
air cleaner. According to claim 1,
The sterilizing material is
Stored in the storage device in the form of a gel (GEL) containing chlorine dioxide,
air cleaner. According to claim 1,
a case forming an outer shape of the air purifier;
a first display unit provided on the case and displaying the quality of external air;
An interface unit provided on the air exhaust unit, receiving a user's command and displaying an operating state of the air purifier
further comprising,
air cleaner.

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