KR20220088027A - Air sterilization and purification device - Google Patents

Abstract

The present invention relates to a device for discharging outside air after performing sterilization and purification, and an embodiment of the invention published in the present specification relates to a first body having an inlet through which outside air is introduced, and the introduced outside air. A third body through which a discharge port is formed, a second body provided between the first body and the third body and forming an accommodation space therein, and a second body provided in the inner accommodation space of the second body, the suction port It includes a guide part that forms a flow path of the air flow flowing in and toward the outlet, and a light source part that is provided in the inner accommodation space of the second body and irradiates a light source to the air flow formed along the guide part,
The guide part is formed to extend radially outward from the central axis of the second body to vary the movement direction of the airflow from the first body to the second body at least once to change the introduced external air of the second body. A device for sterilizing and purifying air characterized in that it increases the residence time therein.

Description

Air sterilization and purification device

The present invention relates to a device for discharging after performing sterilization and purification by introducing outside air.

An air purifier is understood as a device that sucks in polluted air, purifies it, and then discharges the purified air. For example, the air purifier may include a blower for introducing external air into the interior of the air purifier and a filter capable of filtering dust or bacteria in the air.

In general, an air purifier has an inlet and an outlet for introducing and discharging air. In addition, a blower for circulating air, a filter for filtering contaminants contained in the introduced air, and the like may be provided inside the air purifier.

Looking at the operating principle of the air purifier including the above-described configuration, the air purifier sucks outside air into the suction port through an air flow generated while the blower is driven, and pollutants contained in the sucked air are stored inside the air purifier. The air filtered through the filters of various materials provided and the pollutants are filtered out is discharged to the outside through the outlet.

An air sterilizer is understood as a device for sterilizing bacteria contained in the outdoor air by sucking in the outdoor air, and then discharging it.

In general, an air sterilizer can be distinguished from an air purifier that filters out contaminants contained in the outdoor air through a filter in that it sterilizes bacteria contained in the outdoor air. The air purifier generally sterilizes the air sucked in from the outside through ozone, ions, ultraviolet rays, photocatalysts, and the like.

Recently, in order to supply clean air, an air purifier capable of performing the functions of an air purifier such as purifying air through a filter method using various filters or a plasma method using ions has been proposed.

However, in order to increase the sterilization effect of the air, since the sterilization of the air must be continued for an effective time, the flow of the air must be made slowly. Conversely, in order to effectively filter foreign substances contained in the air, the filtering effect increases as the air flow increases, and the filtering effect decreases as the air flow decreases.

Therefore, in the case of an air cleaning device proposed recently, it is possible to remove some of the pollutants or harmful substances contained in the air and sterilize the bacteria contained in the air to a certain extent, but there is a limit to completely sterilizing the bacteria contained in the air. There is a situation.

In addition, the UV sterilizer refers to a device that sterilizes the bacteria on the object to be disinfected by irradiating ultraviolet rays to the object to be disinfected. Most of them were for sterilization, and as the sterilization effect of ultraviolet rays became more widely known, recently, among ultraviolet sterilizers, devices that sterilize indoor air using ultraviolet rays have appeared.

Ultraviolet sterilizer for indoor air sterilization is prepared for the purpose of preventing infection of the human body by bacteria in the air, and is used in various places such as operating rooms and clean rooms as well as general homes. It is intended to include an ultraviolet lamp to be used, a ballast connected to the ultraviolet lamp, and a blower connected to the chamber so that external indoor air is introduced into the chamber and discharged to the outside of the chamber while passing through the interior.

The blower, the ultraviolet lamp and the ballast are accommodated in the chamber, and the blower and the ballast are generally respectively fixed to different positions inside the chamber by separate brackets.

In the UV sterilization device configured as described above, when the blower is driven, indoor air is sucked into the chamber through the inlet of the chamber, sterilized while passing around the UV lamp, and then discharged to the outside of the chamber through the outlet of the chamber.

However, since the conventional ultraviolet sterilization apparatus as described above moves along the longitudinal direction of the chamber in which the ultraviolet lamp is installed, the air residence time in the chamber is very short, so there is a problem that sufficient sterilization effect cannot be expected. In particular, although sterilization treatment can be expected to some extent for the air moving close to the UV lamp, a sufficient amount of UV irradiation is not made for the air moving close to the inner wall of the chamber and away from the UV lamp. This phenomenon cannot be completely sterilized, and thus the overall sterilization efficiency is lowered.

Accordingly, an object of the present invention is to solve the above-described problem.

One of the various problems of the present invention is to provide an integrated air sterilization and purification device that sucks in outside air, performs purification and sterilization, and then discharges it.

One of the various problems of the present invention is to provide an air sterilization and purification apparatus including a flow path structure capable of increasing the residence time in the air sterilization and purification apparatus of the outside air introduced through an inlet.

Various embodiments for solving the problems of the present invention include a first body having an inlet through which outside air is introduced, a third body having a discharge port through which the introduced outside air is discharged, and between the first body and the third body. A second body provided in the receiving space and provided in the receiving space of the second body, the guide part which is provided to form a flow path of the air flow flowing into the suction port toward the discharge port and the receiving space of the second body. It is provided, and includes a light source unit for irradiating a light source to the airflow formed along the guide unit,

The guide part is formed to extend outward in the radial direction from the central axis of the second body to vary the movement direction of the airflow from the first body to the second body at least once or more so that the introduced external air is applied to the second body. An object of the present invention is to provide an air sterilization and purification device characterized in that the residence time is increased.

The light source unit may be formed to extend along a longitudinal direction of the second body.

In addition, the light source unit may be provided at a position corresponding to the central axis of the second body.

In addition, the light source unit may pass through the central axis of the guide unit and be provided on the central axis of the guide unit.

In addition, the light source unit may be formed to extend along the longitudinal direction of the second body, may be provided at a position corresponding to the central axis of the second body, pass through the central axis of the guide unit and on the central axis of the guide unit. can be provided.

The guide unit may include a guide member for guiding the introduced external air in a radially outward direction from the central axis of the second body, and a filter stacked at a predetermined distance from the guide member.

A plurality of guide members may be provided along a central axis of the second body, and the filter may be disposed between the plurality of guide members.

The filter may include a filter member to which a catalyst reacting to light irradiated from the light source is applied, and an application layer formed by the catalyst.

The guide unit may extend radially from the light source unit and guide the outside air introduced through the suction port toward the discharge port while rotating while being spaced apart from the circumferential surface of the light source unit by a predetermined distance.

Each feature of the above-described embodiments may be implemented in combination in other embodiments as long as they are not contradictory or exclusive to other embodiments.

According to various embodiments of the present invention, the residence time of air is maximized by allowing air to move through the air passages stacked in multiple layers, and the ultraviolet rays irradiated from one ultraviolet lamp are directly transmitted to the air passages to allow air in the passageways. The air sterilization efficiency is increased because of the sterilization treatment.

In addition, air resistance can be minimized as the air introduced through the inlet is guided by the radial guide part, and as the residence time of air is increased, a motor with a higher rotational force is adopted to widen the air listening area. have.

Effects of the present invention are not limited to those described above, and other effects not mentioned will be clearly recognized by those skilled in the art from the following description.

1 is a view showing the appearance of an air sterilization and purification apparatus according to an embodiment of the present invention.
FIG. 2 is a view showing the inside of the second body in FIG. 1 .
3 is a view showing the appearance of the guide unit according to an embodiment of the present invention in FIG. 2 .
FIG. 4 is a view showing a side cross-section in which a guide unit and a light source unit are coupled according to an embodiment of the present invention in FIG. 2 .
5 is a block diagram showing the configuration of an air sterilization and purification apparatus according to an embodiment of the present invention.
6 is a block diagram showing the control flow of the air sterilization and purification apparatus according to an embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The following detailed description is provided to provide a comprehensive understanding of the methods, devices, and/or systems described herein. However, this is merely an example, and the present invention is not limited thereto.

In describing the embodiments of the present invention, if it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. And, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification. The terminology used in the detailed description is for the purpose of describing embodiments of the present invention only, and should in no way be limiting. Unless explicitly used otherwise, expressions in the singular include the meaning of the plural. In this description, expressions such as “comprising” or “comprising” are intended to indicate certain features, numbers, steps, acts, elements, some or a combination thereof, one or more other than those described. It should not be construed to exclude the presence or possibility of other features, numbers, steps, acts, elements, or any part or combination thereof.

In addition, in describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the elements from other elements, and the essence, order, or order of the elements are not limited by the terms.

1 is a view showing the exterior of an air sterilization and purification apparatus according to an embodiment of the present invention, and FIG. 2 is a view showing the inside of the second body in FIG. 1 .

Hereinafter, it will be described with reference to FIGS. 1 and 2 .

The air sterilization and purification apparatus 1 according to an embodiment of the present invention may include a first body 10 , a second body 20 , a third body 30 , and a manipulation unit 40 .

The first body 10 may have a suction port 10h through which outside air is introduced. Of course, the suction port 10h may be formed on one surface of the first body 10 or may be formed on the front surface of the first body 10 .

The first body 10 may be provided in the form of a quadrangular prism with curved corners. The suction port 10h may be formed on at least one of the four surfaces formed by the square pillar.

A first case 101 may be provided inside the first body 10 . The first case 101 forms an accommodating space therein, and a fan module, a filter, etc. may be accommodated in the internal accommodating space of the first case 101 .

The fan module includes a driving unit that forms a rotating shaft and generates driving force, a fan that receives power from the driving unit and rotates based on the rotating shaft to form a flow of air, and forms a space for accommodating the driving unit and the fan and sucks It may include a shroud provided between the unit and the discharge unit to guide the air introduced through the suction unit to the discharge unit.

In the present embodiment, since the second body 20 is provided on the upper portion of the first body 10 and the outlet 40 is formed on the upper portion of the third body, the shroud is The outside air introduced through the suction port 10h may be guided toward the second body 20 .

The fan may include a hub coupled to a rotation shaft of the driving unit and a plurality of blades extending in a radial direction from the hub. As an example of the fan, a four-flow fan may be employed.

The first body 10 forms a part of the exterior of the air sterilizing and purifying device 1 . The first body 10 forms a lower portion of the air sterilizing and purifying device 1 , and the bottom surface of the first body 10 may be in contact with the ground to support the air sterilizing and purifying device 1 .

The second body 20 may be connected to an upper portion of the first body 10 . The second body 20 may form a central portion of the exterior of the air sterilization and purification apparatus 1 by being connected to the upper portion of the first body 10 .

The second body 20 may correspond to the shape of the first body 10 . That is, the second body 20 may be provided in the form of a quadrangular prism with curved corners.

The second body 20 forms an accommodating space therein, and the guide part 21 and the light source part 23 may be provided in the internal accommodating space of the second body 20 .

The guide part 21 is provided in the inner receiving space of the second body 20 , and may form a flow path for an air flow flowing into the suction port 10h and toward the discharge port 30h. That is, the guide part 21 may form a flow path for air passing through the inside of the second body 20 .

The light source unit 23 is provided in the inner accommodation space of the second body 20 , and may irradiate the light source to the airflow formed along the guide unit 21 . That is, the light source unit 23 may irradiate the light source to the flow path of the air passing through the inside of the second body 20 .

The guide part 21 and the light source part 23 will be described later in more detail with reference to FIGS. 3 and 4 .

The third body 30 may be connected to an upper portion of the second body 20 . The third body 30 may form an upper portion of the exterior of the air sterilization and purification apparatus 1 by being connected to the upper portion of the second body 20 .

The third body 30 may correspond to the shapes of the first body 10 and the second body 20 . That is, the third body 30 may be provided in the form of a quadrangular prism with curved corners.

The third body 30 may have a discharge port 30h for discharging the outside air introduced through the suction port 10h of the first body 10 from the inner space of the air sterilization and purification device 1 to the outside. .

The discharge port 30h may be formed on a portion of the upper surface of the third body 30 . The discharge ports 30h may be formed on both sides of an upper surface of the third body. This is because the light source unit 23 is located in the inner central portion of the second body 20 . If the outlet 30h is formed in the central portion of the upper surface of the third body 30, the light source irradiated from the light source unit 23 may be exposed to the outside, so the outlet 30h is the third body ( 30) is preferably formed on both sides of the upper surface.

And by the structure or arrangement of the discharge port 30h described above, it is possible to minimize the resistance of the air flow discharged through the air sterilization and purification device (1). This is because the airflow guided by the guide unit 21 is rotated and increased while being spaced apart from the central portion of the second body 20 by a predetermined interval.

That is, it is preferable that the discharge ports 30h are formed on both sides of the upper surface of the third body 30 corresponding to the remaining portions except for the portion where the light source unit 23 is located.

A control unit 60 for controlling the air sterilization and purification device 1 and various components physically or electrically interlocked with the control unit 60 may be accommodated in the third body 30 . The above-described configurations will be described later in more detail with reference to FIG. 5 .

FIG. 3 is a view showing the appearance of the guide unit according to an embodiment of the present invention in FIG. 2 , and FIG. 4 is a view showing a side cross-section in which the guide unit and the light source unit are coupled in FIG. 2 .

Hereinafter, it will be described with reference to FIGS. 3 and 4 .

The guide part 21 of this embodiment is formed to extend radially outward from the central axis of the second body 20 to change the direction of movement of the airflow from the first body 10 to the second body 20 at least once or more. By changing it, it is possible to increase the residence time of the external air introduced through the inlet 10h in the interior of the second body 20 .

The guide unit 21 may include a first guide module 21a , a second guide module 21b , and a second filter 214 . The first guide module 21a and the second guide module 21b have the same configuration and may mean some sections stacked to form the guide part 21 . Therefore, the following description will be focused on the first guide module (21a).

More specifically, the guide unit 21 may include a guide member for guiding the introduced external air in a radially outward direction from the central axis of the second body 20, and a filter stacked at a predetermined distance from the guide member. have.

A plurality of the guide members may be provided along the longitudinal direction of the second body 20, and the filter may be disposed between the plurality of guide members. The guide member may include a first guide member 211 and a second guide member 213 having a relative height difference, and the first filter 212 includes the first guide member 211 and the second guide member 213 . may be provided in between.

The first guide member 211 , the first filter 212 and the second guide member 213 of this embodiment are spaced apart from each other by a predetermined distance along the longitudinal direction of the second body 20 inside the second body 20 . can be provided. A flow path through which air moves within a predetermined interval formed by the first guide member 211 , the first filter 212 , and the second guide member 213 may be formed.

The first guide member 211 and the second guide member 213 may be provided independently of each other. Alternatively, the first guide member 211 and the second guide member 213 may be provided in one continuous configuration.

More specifically, the guide part 21 may be provided in a radial shape with the guide member forming a predetermined inclined surface. The light source unit 23 may be disposed at the center of the radial shape formed by the guide unit 21 . That is, the guide part 21 may be provided in a spiral tornado shape around the light source part 23 , and each layer formed by the guide part 21 may include the first guide member 211 and the first guide member 211 described above. 2 may correspond to the guide member 213 .

The first filter 212 may include a first filter member 2121 and a first application layer 2123 . A catalyst that reacts to light irradiated from the light source unit 23 may be applied to one surface of the first filter member 2121 . The other surface of the first filter member 2121 may be provided at a position facing the first guide member 211 at a predetermined interval. As described above, a flow path through which air moves may be formed in a space between the first guide member 211 and the other surface of the first filter member 2121 .

The catalyst applied to one surface of the first filter member 2121 is a kind of photocatalyst, and may form the first coating layer 2123 . The first coating layer 2123 may respond to light irradiated from the light source unit 23 .

The light source unit 23 may be composed of an ultraviolet lamp or an ultraviolet LED when the first coating layer 2123 is a general photocatalyst, and when the first coating layer 2123 is a visible photocatalyst, an ultraviolet lamp, an ultraviolet LED, It may be composed of a high-brightness lamp, a high-brightness LED, and the like.

In addition, the first filter member 2121 may be formed of a support having a mesh structure such as urethane foam for easy diffusion of a material formed according to a chemical reaction when light is irradiated to the first application layer 2123 . As an example of a substance formed according to the above-described chemical reaction, there is a hydroxyl radical (neutral OH).

Meanwhile, the guide member may be formed of a transparent material to not only guide the movement of air but also to increase the transmittance of light irradiated from the light source unit 23 . As an example of the transparent material, there is a polyethylene material.

The third guide member 215 , the third filter 216 , the fourth guide member 217 included in the second guide module 21b , and the third filter member 2161 included in the third filter 216 . ), the third application layer 2163 and the second filter member 2141 and the second application layer 2143 included in the second filter 214 form the above-described first guide module 21a and same.

Meanwhile, the light source unit 23 may be formed to extend along the longitudinal direction of the second body 20 . The light source unit 23 of the present embodiment may be provided in a cylindrical shape. The light source unit 23 may be provided at a position corresponding to the central axis of the second body 20 .

Accordingly, the light source unit 23 passes through the central axis of the guide unit 21 and may be provided at a position corresponding to the central axis of the guide unit 21 , and the guide unit 21 is the light source unit 23 . It may be provided in a spiral form along the longitudinal direction of the light source unit 23 in a radial form along the outer circumference.

In general, an air purifier and an air sterilizer are provided respectively, and even in a device in which a household air purifier and a sterilizer are combined, the air purifier removes dust in several circulation processes, and air sterilization is effective in sterilizing air for a period of time should be done For this reason, when the air forms a fast airflow to secure the air cleaning ability, the sterilization ability is greatly reduced.

For the above reasons, in order to sterilize the air in the air purifier, even if the air purifying ability is reduced, the air must flow slowly or a method having a very strong sterilization power must be used.

However, according to the above-described structure of this embodiment, the light source unit 23 is located in the center of the inner space of the second body 20, and the guide unit 21 is radiated along the outer periphery of the light source unit 23 to the light source unit ( 23), as it is provided in a spiral shape along the longitudinal direction, it is possible to increase the time the air stays inside the second body 20, and thus it is possible to prevent deterioration of the sterilization ability while maintaining the output of the fan motor.

In addition, the light source irradiated from the light source unit 23 is easily transmitted to the photocatalyst by the guide member, the filter member, and the coating layer forming the guide unit 21, thereby improving the sterilization power of the air.

On the other hand, according to an embodiment of the flow path structure published in this specification, it is possible to increase the time the inhaled outdoor air stays inside the air sterilization and purification device, and at the same time, as light is irradiated to the photocatalyst to cause a chemical reaction It is possible to increase the diffusion rate of the generated by-products.

More specifically, in the flow path structure of this embodiment, as described above, the outside air introduced by the guide part moves from the lower inner side of the second body 20 to the upper inner side of the second body 20, and moves toward the outer side in the radial direction. It moves radially and moves spirally along the longitudinal direction of the light source unit 23 .

In this case, one surface of the first guide member 211 and one surface of the first filter 212 are spaced apart from each other to face each other, so that one surface of the first guide member 211 and the first filter 212 are spaced apart from each other. A flow path may be formed into the space in which it is located.

The first filter 212 may include a first filter member 2121 and a first application layer 2123 , and one surface of the first guide member 211 and one surface of the first filter member 2121 . The above-described flow path may be formed therebetween.

In addition, a first coating layer 2123 to which a photocatalyst is applied may be formed on the other surface of the first filter member 2121 , and a chemical reaction caused by light irradiated from the light source 23 in the first coating layer 2123 . This happens.

As a by-product of a chemical reaction that occurs when light is irradiated to the photocatalyst as described above, for example, there is a hydroxyl radical (neutral OH), and these chemicals are diffused to sterilize contaminants present in the air. can be done

In the above-described structure, the first application layer 2123 and the second guide member 213 are spaced apart from each other and provided at positions facing each other, so that between the first application layer 2123 and the second guide member 213 . The diffusion of chemicals is easy in the flow path formed in the However, a diffusion rate may be reduced in a flow path formed between one surface of the first filter member 2121 and one surface of the first guide member 211 .

Accordingly, the first filter member 2121 of the present embodiment may be formed in a porous mesh structure. As the first filter member 2121 is formed of a porous mesh structure, the chemical substances generated in the first application layer 2123 applied to the other surface of the first filter member 2121 are transferred to the first filter member 2121 ) can be easily diffused into a flow path formed between one surface of the first guide member 211 and the first guide member 211 .

In the structure of the present invention described above, according to the structure of the guide part, it is possible to increase the residence time of air in the air sterilization and purification apparatus, thereby increasing the sterilization efficiency of air, and photocatalysts are applied to all flow paths formed by the guide part. The diffusion of by-products generated by the chemical reaction of the light source and the light source can increase the sterilization power of the air.

5 is a block diagram showing the configuration of an air sterilization and purification apparatus according to an embodiment of the present invention.

Hereinafter, it will be described with reference to FIG. 5 .

The air sterilization and purification apparatus 1 of this embodiment includes a control unit 60, an input unit 41, a display unit 43, a light source unit 23, a filter 1011, a dust sensor 71, a filter sensor 72, and air quality. It may include a measurement sensor 73 , a gas sensor 74 , a wind speed sensor 75 , a communication unit 76 , a blower motor 77 , and the like.

The input unit 41 and the display unit 43 may be formed in the manipulation unit 40 . A user may perform an operation for controlling the air sterilization and purification apparatus 1 of the present embodiment through the input unit 41 formed in the operation unit 40 . In addition, it is possible to display the operating state of the air sterilization and purification device 1 through the display unit 43 , air quality information of an air purification or air sterilization target area, temperature and humidity, and the like.

The structure and function of the light source unit 23 are as described above, and the user can control the operation of the light source unit 23 by inputting the intensity, duration, etc. of the light irradiated from the light source unit 23 through the input unit 41 . have.

The filter 1011 may be provided inside the first body 10 . Contaminants accumulated in the filter 1011 may be measured through the dust sensor 71 or the filter sensor 72 to transmit the state of the filter 1011 to the user through the display unit 43, and the filter 1011 ), information such as whether replacement is necessary can be delivered to the user.

The air quality sensor 73 and the gas sensor 74 are a kind of pollution level sensor that measures the pollution degree of indoor air, and for example, the concentration of fine dust in the space, sulfur dioxide, carbon monoxide, nitrogen dioxide, ozone, carcinogenic substances. Various volatile organic compounds (VOCs) such as formaldehyde (HCHO), toluene, benzene, and acetone, pollutants such as nitrogen dioxide generated from asbestos, carbon dioxide (CO2), dust, cigarette smoke, odors and microorganisms in various household products It can detect sexual substances (E. coli, Pseudomonas aeruginosa, 0-157, salmonella), volatile organic pollutants, and other indoor pollutants such as odor, noise, and radiation.

In addition, the sensed indoor air pollution level information may be transmitted to the user through the display unit 43 .

The blower motor 77 may have a configuration that constitutes a fan module accommodated in the inner accommodation space of the first case 101 described above, and the wind speed sensor 75 controls the inside of the air sterilization and purification device 1 . It is possible to measure the strength of the moving airflow.

Meanwhile, the user may remotely control the air sterilization and purification apparatus 1 through the communication unit 76 , or may receive information measured by the above-described configuration through another wearable device.

6 is a block diagram showing the control flow of the air sterilization and purification apparatus according to an embodiment of the present invention.

Hereinafter, it will be described with reference to FIG. 6 .

When the operation of the air sterilization and purification device 1 is started, the indoor air pollution level is measured through the air quality measuring sensor 73 and the gas sensor 74 (S10).

Then, it is determined whether there is a preset characteristic element among indoor air components based on the measured indoor air pollution level information (S20).

In the step (S20), the characteristic element refers to a material requiring sterilization by introducing external air into the air sterilization and purification apparatus 1 by the above-described light source unit 23 and a photocatalyst as a target material requiring sterilization.

If there is no feature element in the step (S20), the blowing fan is driven to perform dust collection (S40). In this case, the light source unit 23 is not operated and the outside air introduced into the air sterilization and purification device 1 is filtered. It may be purified and discharged through (1011).

On the other hand, when there is a characteristic element in the step (S20), the control unit 60 operates the light source unit 23 (S301).

And it is determined whether the ratio of the characteristic elements measured by the air quality sensor 73 and the gas sensor 74 in the step S10 or S20 is within a preset range (S302). The preset range in step S302 may be set to 70-100%.

When the ratio of the characteristic elements falls within the preset range in step S302, the control unit 60 sets the number of rotations of the blower motor 77 (S303). In this case, the set rotation speed may be defined as the first fan rotation speed.

Since the preset range in step S302 is a range set to determine whether or not the pollution degree is the highest in the present embodiment, in step S302, when the ratio of the characteristic element falls within the preset range, the The first fan rotation speed operated in step S303 may be set to a relatively small rotation speed.

Because, in the above case, the air sterilization ability needs to be improved due to the high degree of contamination of the air, so it is necessary to set the rotation speed of the fan relatively small to slow the speed of the air flow passing through the air sterilization and purification device 1 . because there is In other words, it is necessary to increase the air sterilization efficiency by increasing the time that the air stays inside the second body 20 of the air sterilization and purification device 1 .

After the step (S303), the blowing fan is driven to perform dust collection (S40), and in this case, the fan module may be rotated at the first fan rotation speed set in the step (S303).

If the ratio of the characteristic element does not fall within the preset range in step S302, it may be determined whether the ratio of the characteristic element falls within another set range that does not overlap the range (S304). The preset range in step S304 may be set to 30 to 70%.

When the ratio of the characteristic elements falls within the preset range in step S304, the control unit 60 sets the number of rotations of the blower motor 77 (S305). In this case, the set rotation speed may be defined as the second fan rotation speed.

Since the preset range in step S304 is a range set to determine whether the degree of contamination corresponds to a relatively intermediate region in this embodiment, the ratio of the characteristic elements in step S304 falls within the preset range. In this case, the second fan rotation speed operated in step S305 may be set to a relatively higher rotation speed than the first fan rotation speed.

Because, in the above case, since the air pollution level is not higher than in the steps S302 and S303, the sterilization ability of the air and the cleaning ability of the air must be properly harmonized. This is because it is necessary to set the speed of the airflow passing through the inside of the air sterilization and purification device 1 to be higher than that in the steps S302 and S303 by setting it relatively higher. In other words, it is necessary to secure a certain amount of time for the air to stay inside the second body 20 of the air sterilization and purification device 1 and to ensure the sterilization efficiency of the air.

After the step (S305), the blowing fan is driven to perform dust collection (S40), and in this case, the fan module may be rotated at the second fan rotation speed set in the step (S305).

If the ratio of the characteristic element does not fall within the preset range in step S304, it may be determined whether the ratio of the characteristic element falls within another set range that does not overlap the range (S306). The preset range in step S306 may be set to 0 to 30%.

When the ratio of the characteristic elements falls within the preset range in step S306, the control unit 60 sets the rotation speed of the blower motor 77 (S307). In this case, the set rotation speed may be defined as the third fan rotation speed.

Since the preset range in step S306 is a range set for determining whether or not the pollution degree is low in the present embodiment, in the step S306, if the ratio of the characteristic elements falls within the preset range, the step The third fan rotation speed operated in step S307 may be set to a relatively high rotation speed compared to the first fan rotation speed and the second fan rotation speed.

Because, in the above case, since the pollution degree of the air is the lowest, it is not high, so the purifying ability of the air should be strengthened rather than the sterilization ability of the air. This is because it is necessary to set the speed of the airflow passing through the inside of the air sterilization and purification device 1 faster than in the steps S303 and S305.

After the step (S307), the blowing fan is driven to perform dust collection (S40), and in this case, the fan module may be rotated at the third fan rotation speed set in the step (S307).

On the other hand, when the ratio of the characteristic elements is not included in the preset range in the step S306, the above-mentioned contents may be repeatedly performed by performing the air pollution degree measurement (S10) again.

Although various embodiments of the present invention have been described in detail above, those of ordinary skill in the art to which the present invention pertains will understand that various modifications are possible within the limits without departing from the scope of the present invention with respect to the above-described embodiments. . Therefore, the scope of the present invention should not be limited to the described embodiments, and should be defined by the claims described below as well as the claims and equivalents.

1: Air sterilization and purification device
10: first body
20: second body
21: guide unit
23: light source unit
30: third body
40: control panel

Claims (8)

a first body in which an inlet through which external air is introduced is formed;
a third body having a discharge port through which the introduced outside air is discharged;
a second body provided between the first body and the third body and forming an accommodating space therein;
a guide part provided in the inner receiving space of the second body and flowing into the suction port to form a flow path for the air flow toward the discharge port; and
A light source unit provided in the inner receiving space of the second body and irradiating a light source to the airflow formed along the guide unit;
The guide part is formed to extend radially outward from the central axis of the second body to vary the movement direction of the airflow from the first body to the second body at least once to change the introduced external air of the second body. Air sterilization and purification device, characterized in that it increases the residence time inside.
According to claim 1,
The light source unit, Air sterilization and purification apparatus, characterized in that formed extending along the longitudinal direction of the second body.
3. The method of claim 2,
The light source unit, Air sterilization and purification apparatus, characterized in that provided at a position corresponding to the central axis of the second body.
4. The method of claim 3,
The light source unit passes through the central axis of the guide unit and air sterilization and purification apparatus, characterized in that provided on the central axis of the guide unit.
The method of claim 1,
The guide unit may include: a guide member for guiding the introduced external air in a radially outward direction from the central axis of the second body; and
Air sterilization and purification apparatus comprising a; filter stacked at a predetermined distance from the guide member.
6. The method of claim 5,
A plurality of the guide members are provided along the longitudinal direction of the second body, and the filter is disposed between the plurality of guide members.
6. The method of claim 5,
The filter may include a filter member to which a catalyst reacting to light irradiated from the light source is applied; and
Air sterilization and purification apparatus comprising a; an application layer formed by the catalyst.
4. The method of claim 3,
Wherein the guide unit extends radially from the light source unit and the outside air introduced through the suction port rotates at a predetermined distance from the peripheral surface of the light source unit to guide the air sterilizing and purifying device, characterized in that it guides toward the discharge port.

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