KR102280394B1 - Air sterilization device using electric field filter, electrostatic filter, ultraviolet lamp and air purification filter - Google Patents

Abstract

An air sterilization device using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter comprises: an inlet chamber into which harmful particles such as viruses or bacteria propagated in the form of droplets from the inlet and air are introduced; an UV lamp and filter unit, which is located at the rear of the inlet chamber and connected to the inlet chamber through which the harmful particles and the air are introduced from the outlet of the inlet chamber to the inlet, the UV lamp and filter chamber, including: an UV lamp and a filter chamber, a filter member for filtering the harmful particles and the air, an UV lamp spaced apart from the filter member at a predetermined interval to remove the harmful particles, an electric field filter spaced apart from the UV lamp at a predetermined interval and configured to change a chemical structure of the harmful particle through a high voltage pulsed electric field, and an electrostatic filter spaced apart from the electric field filter at a predetermined interval to attach the harmful particles to an electrode surface; and a fan case unit that is located at the rear of the UV lamp and filter unit and is connected to the UV lamp and filter unit to introduce the filtered air from the discharge port of the UV lamp and filter unit to the inlet, and discharge the filtered air from the discharge port to the outside, the fan case unit including a fan member including an inlet of the fan case unit and an axial fan.

Description

Air sterilization device using electric field filter, electrostatic filter, ultraviolet lamp and air purification filter

The present invention relates to an air sterilization device using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter.

A conventional air sterilization apparatus includes an inlet chamber through which harmful particles such as viruses or bacteria propagated in the form of droplets and air are introduced and harmful particles such as viruses or bacteria propagated from an inlet in order to filter the air and harmful particles such as viruses or bacteria. A filter unit located at the rear of the chamber and connected to the inlet chamber through which the harmful particles and the air are introduced from the outlet of the inlet chamber to the inlet, and a filter unit including a filter member for filtering the noxious particles and the air. did.

Although harmful particles such as viruses or bacteria propagated through the filter member in the form of droplets are filtered by the filter member and attached to the filter member, the harmful particles are removed. Noxious particles are increased, resulting in a situation in which the filter member must be replaced.

In addition, since the harmful particles reach the filter member without any resistance until they are filtered through the filter member, the accumulated amount of the attached harmful particles has to be significantly increased.

In addition, in order to increase the durability and efficiency of the air sterilization apparatus, the demand for various sterilization methods is increasing.

However, in these cases, the electric field filter and the electrostatic filter are not disclosed, and the individual functions of each component of the electric field filter, the electrostatic filter, the ultraviolet lamp, and the air purification filter and the organic relationship between the components are disclosed. not doing

Accordingly, the present invention has been devised to solve the above problems, and the problem to be solved by the present invention is to remove harmful particles attached to the filter member through the UV lamp, including the UV lamp and the filter member at the same time. An object of the present invention is to provide an air sterilization device using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter.

Another problem to be solved by the present invention is an electric field filter, an electrostatic filter, an ultraviolet lamp, and an electric field filter, which can reduce the amount of harmful particles reaching the filter member by partially removing the harmful particles through the UV lamp before reaching the filter member An object of the present invention is to provide an air sterilization device using an air purification filter.

Another problem to be solved by the present invention is an electric field filter, an electrostatic filter, an ultraviolet lamp, and an electric field filter spaced apart from the ultraviolet lamp at a predetermined interval and configured to change the chemical structure of the harmful particles through a high voltage pulsed electric field, and air An object of the present invention is to provide an air sterilization device using a purification filter.

The problems of the present invention are not limited to the problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

An air sterilization apparatus using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter according to an embodiment for solving the above problems,

an inlet chamber into which harmful particles such as viruses or bacteria spread from the inlet in the form of droplets and air are introduced;

An ultraviolet lamp and filter unit located at the rear of the inlet chamber and connected to the inlet chamber through which the harmful particles and the air are introduced from the outlet of the inlet chamber to the inlet, the ultraviolet lamp and filter chamber, 0.3 of the harmful particles A filter member for filtering the air and the harmful particles having a size larger than μm, an ultraviolet lamp spaced apart from the filter member at a predetermined interval to remove the harmful particles, and a high voltage pulse electric field spaced apart from the UV lamp at a predetermined interval an ultraviolet lamp and a filter unit including an electric field filter configured to change the chemical structure of the harmful particles through the electric field filter, and an electrostatic filter spaced apart from the electric field filter by a predetermined distance to attach the harmful particles to the electrode surface;

A fan case that is located at the rear of the UV lamp and filter unit and is connected to the UV lamp and filter unit to introduce the filtered air from the discharge port of the UV lamp and filter unit to the inlet, and discharge the filtered air from the discharge port to the outside As a part, including a fan case part including a fan member including an inlet and an axial fan of the fan case part,

The UV lamp is provided in plurality and the plurality of UV lamps include a first UV lamp positioned in front of the filter member and a second UV lamp positioned at the rear of the filter member,

The electric field filters are provided in plurality, and the plurality of electric field filters include a first electric field filter positioned in front of the first ultraviolet lamp and a second electric field filter positioned in the rear of the second ultraviolet lamp,

The electrostatic filter is provided in plurality, and the plurality of electrostatic filters includes a first electrostatic filter positioned in front of the first electric field filter and a second electrostatic filter positioned behind the second electric field filter,

The first electrostatic filter attaches the harmful particles having a size of 0.3 μm or less to the electrode surface before entering the first electric field filter, among the harmful particles introduced into the inlet of the ultraviolet lamp and the filter unit, thereby forming the first electrostatic filter. 1 reduce the number and/or concentration of said harmful particles entering the electric field filter,

The first electric field filter is introduced into the inlet of the ultraviolet lamp and filter unit, and the chemical structure of the harmful particles that have not been attached to the first electrostatic filter is changed in advance before entering the first ultraviolet lamp,

The first ultraviolet lamp removes in advance a part of the harmful particles whose chemical structure has been changed that have passed through the first electric field filter before entering the filter member,

The second UV lamp removes some of the harmful particles that have passed through the filter member,

the second electric field filter changes the chemical structure of the harmful particles that have passed through the second ultraviolet lamp in advance before the second electrostatic filter;

The second electrostatic filter attaches the harmful particles having a size of 0.3 μm or less to the electrode surface in advance before the fan case part, so that the harmful particles that have passed through the second electric field filter enter the fan case part. reduce the number and/or concentration of harmful particles;

The first UV lamp and the second UV lamp are filtered by the filter member by irradiating the entire surface with UV rays to the filter member, respectively, to remove the harmful particles attached to the filter member,

The filter member is implemented as a Hepa filter including glass fiber, which is a material that is hardened by the ultraviolet rays and is not damaged.

The ultraviolet has a wavelength range of 100 nm to 280 nm,

The size of the virus is 0.1 μm or less, the size of the droplet is 5 μm or less,

The pore size of the HEPA filter is 0.3 μm or less.

The ultraviolet rays have a wavelength of 222 nm or 254 nm depending on the size of the harmful particles.

The ultraviolet lamp and the filter unit and a thermometer and a hygrometer positioned in front of the first ultraviolet lamp;

Further comprising an air flow meter located at the rear of the second UV lamp,

The air volume meter controls the amount of air discharged from the fan case unit by measuring the air volume before the fan case unit.

The details of other embodiments are included in the detailed description and drawings.

According to the air sterilization apparatus using the electric field filter, the electrostatic filter, the ultraviolet lamp, and the air purification filter according to the present invention according to an embodiment, the harmful substances attached to the filter member through the ultraviolet lamp including the ultraviolet lamp and the filter member Since particles can be removed, there is an advantage in that the service life of the filter member can be extended.

In addition, since some of the harmful particles are removed through the ultraviolet lamp before reaching the filter member, the amount of harmful particles reaching the filter member can be reduced, so that the service life of the filter member can be extended as well, and There is an advantage in that the amount of harmful particles that cannot be filtered can be remarkably reduced.

Also, by further comprising an electric field filter configured to change the chemical structure of the harmful particle through a high voltage pulsed electric field, to change the chemical structure of the harmful particle before entry into the first UV lamp and after passing through the second UV lamp This enables more efficient sterilization.

Effects according to the embodiments are not limited by the contents exemplified above, and more various effects are included in the present specification.

1 is a cross-sectional view illustrating an air sterilization apparatus using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter according to an embodiment of the present invention.
FIG. 2 is a perspective view showing the ultraviolet lamp and filter chamber of FIG. 1 .
FIG. 3 is a view showing the ultraviolet lamp of FIG. 1 .
FIG. 4 is a perspective view showing the fan case part of FIG. 1 .
FIG. 5 is a perspective view showing the fan member of FIG. 1 .
6 is a cross-sectional view illustrating the air conditioning grill of FIG. 1 .
7 is a perspective view illustrating a first electric field filter and a space of the first electric field filter of FIG. 1 .
8 is a perspective view of the first electric field filter of FIG. 7 .
9 is a schematic diagram showing the operation of the first electric field filter of FIG.
10 is a perspective view of the first electrostatic filter of FIG. 9 .
11 is a schematic diagram illustrating an operation of the first electrostatic filter of FIG. 10 .
12 is a plan view showing the ultraviolet lamp of FIG. 1 and a filter member;
13 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.
14 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.
15 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.
16 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.
17 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.
18 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.
19 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.
20 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.
21 is a plan view showing an air sterilizing apparatus according to another embodiment.
22 is a plan view showing an air sterilizing apparatus according to another embodiment.
23 is a plan view showing an air sterilizing apparatus according to another embodiment.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims.

Reference to an element or layer “on” of another element or layer includes any intervening layer or other element directly on or in the middle of the other element or layer. Like reference numerals refer to like elements throughout.

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 another. Accordingly, it goes without saying that the first component mentioned below may be the second component within the spirit of the present invention.

Hereinafter, specific embodiments will be described with reference to the accompanying drawings.

1 is a cross-sectional view illustrating an air sterilization apparatus using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter according to an embodiment of the present invention.

An air sterilizing device using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purifying filter is used as a small-capacity air sterilizing device or a large-capacity air sterilizing device if necessary. The small-capacity air sterilizer may be, for example, an air sterilizer used in an indoor home, or a fan filter unit (FFU), and a large-capacity air sterilizer, for example, an air handling unit (AHU). can be applied as

The small-capacity air sterilizer or the large-capacity air sterilizer differs only in size or in the addition and/or omission of some ancillary devices, and since the practical configurations are the same, hereinafter, the small-capacity air sterilizer will be specially distinguished while describing the small-capacity air sterilizer. If there is no need, the description of the large-capacity air sterilizer will be omitted.

Referring to FIG. 1 , an air sterilization apparatus using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter according to an embodiment includes harmful particles such as viruses or bacteria propagated from the inlet 13 in the form of droplets and air is located at the rear of the inlet chamber 11 and is connected to the inlet chamber 11, and the harmful particles and the air are introduced from the outlet of the inlet chamber 11 to the inlet. The lamp and filter unit 20, located at the rear of the ultraviolet lamp and filter unit 20, is connected to the ultraviolet lamp and filter unit 20, and is filtered from the outlet of the ultraviolet lamp and filter unit 20 to the inlet. and a fan case unit 30 to which the air is introduced and to discharge the filtered air from the outlet to the outside.

The inlet chamber 11 and the inlet 13 constitute the inlet 10 .

The UV lamp and filter unit 20 is spaced apart from the UV lamp and filter chamber 21, the filter member 22 for filtering the harmful particles and the air, and the filter member 22 at a predetermined interval to remove the harmful particles. UV lamps 23 and 24, the electric field filters 27 and 28 spaced apart from the ultraviolet lamps 23 and 24 and configured to change the chemical structure of the harmful particles through a high voltage pulsed electric field, and the electric field filter and electrostatic filters 29_1 and 29_2 spaced apart from the electrodes 27 and 28 by a predetermined distance to attach the harmful particles to the electrode surface.

The filter member 22 filters the air and the harmful particles having a size larger than 0.3 μm among the harmful particles.

The UV lamps 23 and 24 are provided in plurality, and the plurality of UV lamps 23 and 24 are a first UV lamp 23 positioned in front of the filter member 22 and the filter member 22 . and a second UV lamp 24 located at the rear.

The electric field filters 27 and 28 are provided in plurality, and the plurality of electric field filters 27 and 28 are a first electric field filter 27 and a second ultraviolet lamp positioned in front of the first ultraviolet lamp 23 . and a second electric field filter (28) located behind the (24).

The electrostatic filters 29_1 and 29_2 are provided in plurality, and the plurality of electrostatic filters 29_1 and 29_2 include a first electrostatic filter 29_1 and a second electric field filter positioned in front of the first electric field filter 27 . and a second electrostatic filter 29_2 positioned at the rear of the 28 .

The first electrostatic filter 29_1 removes the harmful particles having a size of 0.3 μm or less among the harmful particles introduced into the inlet of the ultraviolet lamp and the filter unit 20 before entering the first electric field filter 27 . By adhering to the electrode surface in advance, the number and/or concentration of the harmful particles entering the first electric field filter 27 can be significantly reduced.

The first electric field filter 27 is introduced into the inlet of the ultraviolet lamp and the filter unit 20, and the chemical structure of the harmful particles that have not been attached to the first electrostatic filter 29_1 is transferred to the first ultraviolet lamp 23 ) before entering the

The first ultraviolet lamp 23 removes a part of the harmful particles having the chemical structure that have passed through the first electric field filter 27 before entering the filter member 22 .

The second UV lamp 24 removes some of the harmful particles that have passed through the filter member 22 .

The second electric field filter 28 changes the chemical structure of the harmful particles that have passed through the second ultraviolet lamp 24 before the second electrostatic filter 29_2.

The second electrostatic filter 29_2 is formed by attaching the harmful particles having a size of 0.3 μm or less to the electrode surface before the fan case part 30 among the harmful particles that have passed through the second electric field filter 28 . , it is possible to significantly reduce the number and/or concentration of the harmful particles entering the fan case unit 30 .

The first UV lamp 23 and the second UV lamp 24 respectively irradiate the entire surface of the UV light L on the filter member 22 and are filtered by the filter member 22 to filter the filter member 22 . ) to remove the harmful particles attached to it.

The ultraviolet (L) has a wavelength range of 100 nm to 280 nm.

The virus may have a size of 0.1 μm or less.

The size of the droplet may be 5 μm or less.

Considering the size of the droplet and the size of the virus, the pore size of the HEPA filter may be 0.3 μm or less.

The ultraviolet (L) may have a wavelength of 222 nm or 254 nm depending on the size of the harmful particles. For example, the larger the size of the harmful particle, the smaller the wavelength of ultraviolet light may be applied, and the smaller the size of the harmful particle, the larger the ultraviolet light may be applied.

The first and second ultraviolet lamps 23 and 24 are provided in the form of a double tube to be fixed through the upper surface 21u of the ultraviolet lamp and filter chamber 21, respectively.

Meanwhile, the filter member 22 may be implemented as a Hepa filter including glass fiber, which is a material that is hardened by the ultraviolet light (L) and is not damaged.

For this reason, there is an advantage of reducing the cost by minimizing the physical damage to the filter member 22 and increasing the period of use.

Meanwhile, the ultraviolet lamp and filter unit 20 further includes a thermometer and a hygrometer 25 positioned in front of the first ultraviolet lamp 23 .

The thermometer and the hygrometer 25 measure the temperature and humidity to maintain an appropriate temperature and humidity when the harmful particles attached to the filter member 22 are removed through the ultraviolet lamps 23 and 24 .

For example, in order to create an environment of the ultraviolet lamp and the filter chamber 21 with a reference temperature and reference humidity with good sterilization efficiency, the temperature and humidity are measured through a thermometer and a hygrometer 25 .

Meanwhile, in addition to the thermometer and the hygrometer 25 , devices capable of controlling the temperature and/or humidity in the ultraviolet lamp and the filter chamber 21 may be further disposed.

That is, the ultraviolet lamp and filter unit 20 may further include a humidifier, a dehumidifier, a heater, or a refrigerant device.

The ultraviolet lamp and filter unit 20 further includes an air volume meter 26 positioned at the rear of the second ultraviolet lamp 24 .

The air volume meter 26 may measure the air volume before the fan case unit 30 to control the amount of air discharged from the fan case unit 30 .

FIG. 2 is a perspective view showing the ultraviolet lamp and filter chamber of FIG. 1 . FIG. 3 is a view showing the ultraviolet lamp of FIG. 1 .

Referring to FIGS. 2 and 3 together with FIG. 1 , the UV lamp and filter chamber 21 includes a filter member space 21aa providing a space in which the filter member 22 is disposed, and a first UV lamp 23 . The first insertion hole 21ab to be inserted, the second insertion hole 21ac into which the second ultraviolet lamp 24 is inserted, the third insertion hole 21ad into which the thermometer and the hygrometer 25 are inserted, and the air volume meter 26 . A fourth insertion hole 21ae into which is inserted, a first electric field filter space 21af providing a space in which the first electric field filter 27 is arranged, and a second electric field filter space 21af providing a space in which the second electric field filter 28 is arranged An electric field filter space 21ag, a first electrostatic filter space 21ah providing a space in which the first electrostatic filter 29_1 is disposed, and a second electrostatic filter space providing a space in which the second electrostatic filter 29_2 is disposed (21ai).

Meanwhile, although the thermometer and the hygrometer 25 have been described as one device, the thermometer and the hygrometer may be separate devices, respectively. In this case, a plurality of third insertion holes 21ad may be provided, and a thermometer and a hygrometer separated from each other may be inserted into the plurality of third insertion holes 21ad.

Each of the first insertion hole 21ab and the second insertion hole 21ac is provided in plurality. A plurality of first and second UV lamps 23 and 24 are respectively inserted into the first insertion hole 21ab and the second insertion hole 21ac provided in plurality.

The number of the first UV lamp 23 and the second UV lamp 24 may be determined according to the capacity of the above-described air sterilization device.

In FIG. 3 , the first ultraviolet lamp 23 has been mainly described, but if there is no need to be particularly distinguished, the description of the first ultraviolet lamp 23 is equally applied to the second ultraviolet lamp 24 .

As shown in FIG. 3 , the first UV lamp 23 includes a lamp part 23a inserted into the UV lamp and filter chamber 21 (upper surface 21u of the chamber), and an upper end of the UV lamp and filter chamber. It includes a socket-type fixing part 23b fixed to (or the upper surface 21u), and a cap part 23c positioned at the upper end of the fixing part 23b. Since the width of the cap portion 23c is greater than the width (or diameter) of the first insertion hole 21ab described in FIG. 2 , the cap portion 23c of the first ultraviolet lamp 23 passes through the first insertion hole 23a. Therefore, the first ultraviolet lamp 23 can be fixed.

On the other hand, the first ultraviolet lamp 23 is a stabilizer 23f for improving the lifespan of the lamp unit 23a and preventing output deterioration, and a controller 23e for controlling on/off of the lamp unit 23a. further includes

FIG. 4 is a perspective view showing the fan case part of FIG. 1 . FIG. 5 is a perspective view showing the fan member of FIG. 1 . 6 is a cross-sectional view illustrating the air conditioning grill of FIG. 1 .

4 to 6 , the fan case unit 30 includes a fan member 33 including an inlet 33a and an axial fan 33d. An extension direction of the rotation shaft AXIS of the axial fan 33d may be the same as an inflow direction of the filtered air. That is, by applying a side flow fan in which the extending direction of the rotating shaft AXIS and the inflow direction of the filtered air are the same, noise can be reduced and the air volume can be controlled more easily.

The fan case unit 30 further includes an air conditioning grill 35 positioned at the outlet of the fan case unit 30 .

The air conditioning grill 35 includes a plurality of holes 35b perforated in a long hole shape and a panel portion 35a surrounding the plurality of holes 35b.

The fan member 33b is fixed to the fan case chamber 31 through a guide baffle of the fan case chamber 31 of the fan case unit 30, and the fan case chamber 31 through a structural bolt from the side. and can be firmly fixed.

The inlet chamber 11 , the ultraviolet lamp and filter chamber 21 , and the fan case chamber 31 are assembled by being fastened with mutual structural bolts.

In addition, an attachment type neoprene rubber may be further attached to the portion fastened with the structural bolt of the inlet chamber 11 , the ultraviolet lamp and filter chamber 21 , and the fan case chamber 31 .

7 is a perspective view illustrating a first electric field filter and a space of the first electric field filter of FIG. 1 . 8 is a perspective view of the first electric field filter of FIG. 7 . 9 is a schematic diagram showing the operation of the first electric field filter of FIG.

The specific structure of the first electric field filter 27 and the specific structure of the second electric field filter 28 are the same. That is, since the second electric field filter 28 is the same as the first ultraviolet filter 27 except that it is disposed between the second ultraviolet lamp 24 and the air volume meter 26, hereinafter, the first electric field filter 27 ) will be described, and a description of the structure of the second electric field filter 28 will be omitted.

7 to 9, the first electric field filter 27 has at least one perforation (H1, H2), a bracket made of an insulator such as plastic or acrylic, is installed in the perforation (H1) to the outside A steel tube (27b) on which a coil (27c) is wound, wherein the coil (27c) is connected to a steel tube (27b) that forms a high voltage pulse electric field when a high voltage pulse is applied, and is connected to the coil (27c) and the coil (27c) A circuit breaker 27e that applies and blocks the high voltage pulse of 3 kV or more to a breaker 27e, and the high voltage pulse boosted by the coil 27c that winds the steel tube 27b by boosting the high voltage pulse applied from the circuit breaker 27e Includes a step-up transformer (27d) for applying.

The steel tube 27b discharges heat generated by the coil 27c forming the high voltage pulsed electric field.

A plurality of the first and second electric field filters 27 and 28 may be provided, respectively, depending on the capacity of the air sterilization device using the electric field filter, the electrostatic filter, the ultraviolet lamp, and the air purification filter.

10 is a perspective view of the first electrostatic filter of FIG. 9 . 11 is a schematic diagram illustrating an operation of the first electrostatic filter of FIG. 10 .

The specific structure of the first electrostatic filter 29_1 and the specific structure of the second electrostatic filter 29_2 are the same. That is, the second electrostatic filter 29_2 is the same as the first electrostatic filter 29_1 except that it is disposed between the second electric field filter 28 and the air flow meter 26 , and hence the first electrostatic filter 29_1 hereinafter ) will be described, and a description of the structure of the second electrostatic filter 29_2 will be omitted.

10 to 11 , the first electrostatic filter 29_1 supports electrodes and includes a frame 29a made of an insulator such as plastic or acrylic, and a plurality of electrodes 29b supported by the frame 29a. , 29c) and a high voltage generator (or transformer) 29d for applying a high voltage (about 3 kV) to the plurality of electrodes 29b and 29c.

The plurality of electrodes 29b and 29c includes a positive electrode 29b to which a positive voltage is applied and a negative electrode 29c to which a negative voltage is applied. A voltage difference between the positive voltage and the negative voltage may be the same as the high voltage described above. For example, a voltage difference between the positive voltage and the negative voltage may be 3 kV.

The positive electrode 29b and the negative electrode 29c may be provided in plurality, respectively. As shown in FIGS. 10 and 11 , the positive electrode 29b and the negative electrode 29c may be alternately disposed while facing each other in the thickness direction. When a positive voltage and a negative voltage are applied to each of the positive electrode 29b and the negative electrode 29c, an electrostatic force may be generated between the positive electrode 29b and the negative electrode 29c facing each other.

That is, when the harmful particles in the air pass through the first electrostatic filter 29_1, the positive electrode 29b and the negative electrode 29c differ from each other by the electrostatic force generated between the positive electrode 29b and the negative electrode 29c facing each other. sticking effect can be obtained.

12 is a plan view showing the ultraviolet lamp of FIG. 1 and a filter member;

Referring to FIG. 12 , the filter member 22 may have a rectangular shape in plan view. That is, the filter member 22 may have long sides extending along a first direction and short sides extending along a second direction crossing the first direction. The plurality of first UV lamps 23 are disposed adjacent to the lower long side of the long side of the filter member 22 , and the plurality of second UV lamps 24 are disposed on the upper long side of the long side of the filter member 22 . may be placed adjacent to each other. The plurality of first UV lamps 23 may be aligned along the first direction, and the plurality of second UV lamps 24 may be aligned along the first direction. The plurality of first ultraviolet lamps 23 and the filter member 22 aligned in the first direction are spaced apart from each other by a first separation distance d1, and are aligned along the first direction. (Aligned) the plurality of second ultraviolet lamps 24 and the filter member 22 may be spaced apart from each other with a second separation distance d2. The first separation distance d1 and the second separation distance d2 may be the same, but may be changed as necessary.

The first and second ultraviolet lamps 23 and 24 may radiate ultraviolet rays. That is, the first and second UV lamps 23 and 24 can emit UV light at 360 degrees (or in all directions) with respect to the first and second UV lamps 23 and 24 (set as the center of the circle). there is.

13 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.

Referring to FIG. 13 , the air sterilizing apparatus according to the present embodiment further includes a first reflecting member RP1 disposed between each of the first UV lamps 23 and the filter member 22 , in FIG. 12 . It is different from the air sterilization device according to

As described above, the first and second UV lamps 23 and 24 may radiate UV rays. That is, the first and second ultraviolet lamps 23 and 24 emit ultraviolet rays at 360 degrees (or in all directions) with respect to the first and second ultraviolet lamps 23 and 24 as a reference (set as the center of the circle), According to the present embodiment, by further including the first reflecting member RP1, a part of the harmful particles whose chemical structure has been changed that has passed through the first electric field filter 27 than the plurality of first UV lamps 23 is removed. It can be used for the purpose of removing in advance before entering the filter member (22). More specifically, some of the UV rays emitted toward the filter member 22 of the plurality of first UV lamps 23 are reflected through each of the first reflecting members RP1 and are reflected by the plurality of first UV lamps ( 23) can be provided in front of them. Due to this, more effectively, a part of the harmful particles having the chemical structure changed that have passed through the first electric field filter 27 may be removed in advance before entering the filter member 22 .

The first reflective member RP1 may have a shape extending along the outer circumferential surface of the first UV lamp 23 . Since the outer peripheral surface of the first ultraviolet lamp 23 is curved, the first reflective member RP1 may have a curved shape. In addition, each portion of the first reflective member RP1 may have the same separation distance as the first UV lamp 23 . The first reflecting member RP1 has a shape extending along the outer circumferential surface of the corresponding first UV lamp 23 , and each part of the first reflecting member RP1 is formed by the first UV lamp 23 . By having the same separation distance as , the reflected ultraviolet rays reflected from the first reflective member RP1 may also have a radiation-type optical path.

14 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.

Referring to FIG. 14 , the air sterilizing apparatus according to the present embodiment is different from the embodiment according to FIG. 5 in that the first reflective member RP1_1 has a groove H.

The groove H may pass through the inside of the first reflective member RP1_1. The groove H may pass through the first reflective member RP1_1 in a direction in which the filter member 22 is viewed from the first UV lamp 23 . The first reflective member RP1_1 of the air sterilizer includes the groove H, thereby providing some of the UV rays emitted from the first UV lamp 23 to the filter member 22, so that the first UV lamp (23), and the second ultraviolet lamp (24) by irradiating the entire surface of the ultraviolet light (L) to the filter member (22), filtered by the filter member (22), the harmful substances attached to the filter member (22) There is an advantage that the function of removing particles can be supplemented.

15 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.

Referring to FIG. 15 , in that at least one first reflecting member RP1_2 of the air sterilizing device according to the present embodiment is spaced apart from the filter member 22 with the first ultraviolet lamp 23 interposed therebetween, FIG. 13 . It is different from the air sterilization device according to

The first reflective member RP1_2 may have a shape extending along the outer circumferential surface of the at least one first UV lamp 23 . Since the outer peripheral surface of the first ultraviolet lamp 23 is curved, the first reflective member RP1_2 may have a curved shape.

According to this embodiment, at least one first reflective member RP1_2 (eg, the first reflective member RP1_2 located in the center) of the air sterilizing device according to the present embodiment includes the first ultraviolet lamp 23 between the By being spaced apart from the filter member 22, the UV light emitted from the first UV lamp 23 located in the center is reflected by the corresponding first reflecting member RP1_2 and provided to the filter member 22, thereby providing the filter member ( 22) has the advantage of being able to supplement the sterilization function.

16 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.

Referring to FIG. 16 , the first reflective member RP1_2a according to the present embodiment includes first UV lamps 23 (a left first UV lamp and a right side) located on both sides of the first UV lamp 23 located in the center. The first ultraviolet lamp) and the first ultraviolet lamp 23 may overlap in a direction (hereinafter, referred to as a first direction) in which the filter member 22 is viewed.

The first reflective member RP1_2a may have a linear shape, but is not limited thereto and may have a curved shape.

The first reflecting member RP1_2a is formed from the first UV lamps 23 (left first UV lamp and right first UV lamp) and the first UV lamp 23 located on both sides of the first UV lamp 23 . There is an advantage that the sterilization function of the surface of the filter member 22 of the first ultraviolet lamp 23 located in the center can be further supplemented by overlapping the filter member 22 in the viewing direction (hereinafter, the first direction). .

17 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.

Referring to FIG. 17 , the air sterilizing apparatus according to the present embodiment is different from the embodiment according to FIG. 16 in that the first reflective member RP1_2a includes at least one groove H.

The at least one groove H may be plural. Each of the plurality of grooves H may pass through the first reflective member RP1_2a in the first direction. Each of the plurality of grooves H may overlap the first ultraviolet lamps 23 located on both sides of the first ultraviolet lamp 23 located in the center along the first direction.

According to this embodiment, since the first reflective member RP1_2a includes at least one groove H, the first UV lamps 23 located on both sides of the first UV lamp 23 located in the center 1 While having a function of removing in advance some of the harmful particles whose chemical structure has been changed that have passed through the electric field filter 27 before entering the filter member 22, the first reflecting member RP1_2a moves in the first direction Accordingly, by completely overlapping the first ultraviolet lamps 23 located on both sides of the first ultraviolet lamp 23 located in the center, the sterilization function of the surface of the filter member 22 of the first ultraviolet lamp 23 located in the center is improved. It has the advantage that it can be supplemented more.

18 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.

Referring to FIG. 18 , the separation distance d3 between the first ultraviolet lamp 23 ′ located in the center and the filter member 22 according to the present embodiment is located on both sides of the first ultraviolet lamp 23 and the filter. It may be greater than the separation distance d1 between the members 22 .

According to this embodiment, the separation distance d3 between the first ultraviolet lamp 23 ′ located in the center and the filter member 22 is between the first ultraviolet lamp 23 and the filter member 22 located on both sides. By being greater than the separation distance d1, there is an advantage that the sterilization range of the surface of the filter member 22 of the first ultraviolet lamp 23' can be extended.

19 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.

Referring to FIG. 19 , an equalization point CP inside the first reflecting member RP1a defined by a bisector CL dividing the first reflecting member RP1a into equal parts with respect to the extension direction according to the present embodiment, and The extension line EL connecting the central point CP of the first UV lamp 23 may overlap the first UV lamp 23 ′ located in the center.

According to this embodiment, the equidistant point CP inside the first reflective member RP1a defined by the bisector CL dividing the first reflective member RP1a into equal parts with respect to the extension direction and the first ultraviolet lamp ( 23), the extension line EL connecting the central point CP overlaps the first ultraviolet lamp 23' located in the center, thereby extending the coverage of the first ultraviolet lamp 23 by the first reflecting member RP1a. By doing so, there is an advantage that the function of removing a part of the harmful particles having the changed chemical structure that has passed through the first electric field filter 27 before entering the filter member 22 can be further supplemented.

20 is a plan view illustrating an ultraviolet lamp and a filter member according to another embodiment.

Referring to FIG. 20 , according to the present embodiment, the first reflective member RP1_2c has a curved shape and surrounds all the first UV lamps 23 .

According to this embodiment, the first reflective member RP1_2c has a curved shape and surrounds all the first UV lamps 23 , thereby sterilizing the surface of the filter member 22 of all the first UV lamps 23 . It has the advantage that it can be supplemented more.

21 is a plan view showing an air sterilizing apparatus according to another embodiment.

Referring to FIG. 21 , the air sterilizing apparatus according to the present embodiment is different from the embodiment according to FIG. 1 in that it further includes an optical sensor LS for measuring the degree of contamination of the filter member 22 . The optical sensor LS may serve to sense the degree of sterilization of the surface of the filter member 22 . The photosensor LS may be a high magnification camera. According to this embodiment, by further including an optical sensor LS for sensing the sterilization degree of the surface of the filter member 22, there is an advantage that the replacement cycle of the filter member 22 can be checked periodically.

22 is a plan view showing an air sterilizing apparatus according to another embodiment. 23 is a plan view showing an air sterilizing apparatus according to another embodiment.

22 and 23 , the photosensor LS may be linked with the main unit AP including the control unit CP and the alarm unit ARP.

The control unit CP stores the image of the surface of the filter member 22 obtained from the optical sensor LS, measures the degree of contamination of the surface of the filter member 22, and when it is determined that the degree of contamination is higher than a reference value, the The level of contamination of the filter member 22 and the need for replacement may be notified through the alarm unit ARP.

Although one embodiment of the present invention has been described above with reference to the accompanying drawings, those of ordinary skill in the art to which the present invention pertains may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. You will understand that there is Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

10: inlet 11: inlet chamber
13: input unit 20: ultraviolet lamp and filter unit
21: ultraviolet lamp and filter chamber 22: filter element
23: first ultraviolet lamp 24: second ultraviolet lamp
25: thermometer and hygrometer 26: air volume meter
27: first electric field filter 28: second electric field filter
30: fan case part 31: fan case chamber
33: fan member

Claims (3)

an inlet chamber into which harmful particles such as viruses or bacteria spread from the inlet in the form of droplets and air are introduced;
An ultraviolet lamp and filter unit located at the rear of the inlet chamber and connected to the inlet chamber through which the harmful particles and the air are introduced from the outlet of the inlet chamber to the inlet, the ultraviolet lamp and filter chamber, 0.3 of the harmful particles A filter member for filtering the air and the harmful particles having a size greater than μm, an ultraviolet lamp spaced apart from the filter member at a predetermined interval to remove the harmful particles, and a high voltage pulse electric field spaced apart from the UV lamp at a predetermined interval an ultraviolet lamp and a filter unit including an electric field filter configured to change the chemical structure of the harmful particles through the electric field filter, and an electrostatic filter spaced apart from the electric field filter by a predetermined distance to attach the harmful particles to the electrode surface;
A fan case that is located at the rear of the UV lamp and filter unit and is connected to the UV lamp and filter unit to introduce the filtered air from the discharge port of the UV lamp and filter unit to the inlet, and discharge the filtered air from the discharge port to the outside As a part, including a fan case part including a fan member including an inlet and an axial fan of the fan case part,
The UV lamp is provided in plurality and the plurality of UV lamps include a first UV lamp positioned in front of the filter member and a second UV lamp positioned at the rear of the filter member,
The electric field filters are provided in plurality, and the plurality of electric field filters include a first electric field filter positioned in front of the first ultraviolet lamp and a second electric field filter positioned in the rear of the second ultraviolet lamp,
The electrostatic filter is provided in plurality, and the plurality of electrostatic filters includes a first electrostatic filter positioned in front of the first electric field filter and a second electrostatic filter positioned behind the second electric field filter,
The first electrostatic filter attaches the harmful particles having a size of 0.3 μm or less to the electrode surface before entering the first electric field filter, among the harmful particles introduced into the inlet of the ultraviolet lamp and the filter unit, thereby forming the first electrostatic filter. 1 reduce the number and/or concentration of said harmful particles entering the electric field filter,
The first electric field filter is introduced into the inlet of the ultraviolet lamp and filter unit, and the chemical structure of the harmful particles that have not been attached to the first electrostatic filter is changed in advance before entering the first ultraviolet lamp,
The first ultraviolet lamp removes in advance a part of the harmful particles whose chemical structure has been changed that have passed through the first electric field filter before entering the filter member,
The second UV lamp removes some of the harmful particles that have passed through the filter member,
the second electric field filter changes the chemical structure of the harmful particles that have passed through the second ultraviolet lamp in advance before the second electrostatic filter;
The second electrostatic filter attaches the harmful particles having a size of 0.3 μm or less to the electrode surface in advance before the fan case part, so that the harmful particles that have passed through the second electric field filter enter the fan case part. reduce the number and/or concentration of harmful particles;
The first UV lamp and the second UV lamp are filtered by the filter member by irradiating the entire surface with UV light to the filter member, respectively, to remove the harmful particles attached to the filter member,
The filter member is implemented as a Hepa filter including glass fiber, which is a material that is not damaged by curing by the ultraviolet rays,
The ultraviolet has a wavelength range of 100 nm to 280 nm,
The size of the virus is 0.1 μm or less, the size of the droplet is 5 μm or less,
The filter member has a planar rectangle having long sides extending along a first direction and short sides extending along a second direction crossing the first direction,
The plurality of first UV lamps are disposed adjacent to a lower long side of the long side of the filter member,
The plurality of second UV lamps are disposed adjacent to the upper long side of the long side of the filter member,
A plurality of first ultraviolet lamps are aligned along the first direction,
A plurality of second UV lamps are aligned along the first direction,
The plurality of first UV lamps aligned along the first direction and the filter member are spaced apart from each other by a first separation distance,
The plurality of second UV lamps aligned along the first direction and the filter member are spaced apart from each other by a second separation distance,
An air sterilization device using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter having the same first separation distance and the second separation distance;
According to claim 1,
An air sterilization device using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter, wherein the air gap of the HEPA filter is 0.3 μm or less.
According to claim 1,
The ultraviolet lamp and the filter unit and a thermometer and a hygrometer positioned in front of the first ultraviolet lamp;
Further comprising an air flow meter located at the rear of the second UV lamp,
The air volume meter is an air sterilizer using an electric field filter, an electrostatic filter, an ultraviolet lamp, and an air purification filter for controlling the amount of air discharged from the fan case unit by measuring the air volume before the fan case unit.

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