KR20130106993A

KR20130106993A - Portable water purifier system using uvtraviolet light emitting diode

Info

Publication number: KR20130106993A
Application number: KR1020120028741A
Authority: KR
Inventors: 이성민; 손영환; 서대웅
Original assignee: 서울바이오시스 주식회사
Priority date: 2012-03-21
Filing date: 2012-03-21
Publication date: 2013-10-01

Abstract

The present invention relates to a portable water purification system using ultraviolet LEDs. According to the present invention, a housing having an inlet through which water flows in and an outlet through which the water flows out; And a ultraviolet LED including a plurality of ultraviolet LEDs provided in the lower housing.

Description

Portable water purifier system using ultraviolet LED {{PORTABLE WATER PURIFIER SYSTEM USING UVTRAVIOLET LIGHT EMITTING DIODE}

The present invention relates to a portable water purification system using ultraviolet LEDs.

A water purifier is a device used to filter water into purified water.

The water purifier purifies the water introduced through the raw water supply unit through various filters, stores the purified water in the purified water tank, and discharges the water to the outside through the intake coke.

The water purification method used in such a water purifier may be classified into filtration, distillation, ion exchange resin, or reverse osmosis.

In this case, the filtration type may be classified into a micro filter type, activated carbon filtration type or hollow fiber filter filtration type according to the type of filter used.

The activated carbon filtration type is used a lot of methods using activated carbon excellent in odor removal functions such as pesticides and synthetic detergents.

The reverse osmosis is a method using a phenomenon that the material moves through the membrane, the water molecules pass through the membrane by pressing one side of the membrane and leaving the contaminants.

In recent years, such a water purifier has been equipped with a UV filter equipped with a UV lamp that emits UV light, in order to sterilize bacteria remaining in the filtered water.

However, the conventional UV filter has a disadvantage in that the sterilization efficiency is poor because the filtered water is provided in a simple form having a UV lamp in the pipe through which the filtered water passes.

It is an object of the present invention to provide a portable water purification system using ultraviolet LEDs having high sterilization efficiency by ensuring that the filtered water has a sufficient sterilization time.

Another object of the present invention is to provide a portable water purification system using ultraviolet LEDs capable of sterilizing protozoa as well as bacteria.

In order to achieve the above object, according to an aspect of the present invention, a housing having an inlet for the water inlet and an outlet for the water outflow; And a ultraviolet LED including a plurality of ultraviolet LEDs provided in the lower housing.

The portable water purification system may include a photocatalyst layer that reacts with ultraviolet light emitted from the ultraviolet LED to sterilize bacteria or protozoa present in the water.

The portable water purification system may include a member for increasing a flow path of the water between the inlet and the outlet.

The housing is formed of a cylinder or a prismatic pillar, each of the inlet and outlet may be provided on the side of the cylinder or prismatic pillar.

The portable water purification system may include a support member provided inside the housing.

The support member may be formed of a cylinder or a prisms, and the ultraviolet LEDs may be mounted on a surface of the prisms or prisms.

A protective tube may be provided to seal the ultraviolet LEDs formed on the support member.

It may include a plurality of disks fastened to the protective tube.

Each of the disks may have a plurality of distribution holes.

The disks may have the photocatalyst layer on their surface.

The portable water purification system may include a plurality of balls in the housing, and the photocatalyst layer may be provided on a surface of each of the balls.

The ball may be a ceramic ball or a resin ball.

The portable water purification system may include an inner cylinder provided inside the case, sealing the support member, and transmitting the ultraviolet rays.

The photocatalyst layer may be provided on an outer surface of the inner cylinder.

The portable water purification system is connected to the support member and may comprise a spiral wing centered on the support member.

The ultraviolet LEDs may be provided on one surface of the spiral wing, and may include a protective cover covering the one surface.

The photocatalyst layer may be provided on the other surface of the spiral blade or the surface of the protective cover.

The portable water purification system comprises: a plurality of support members each having the ultraviolet LEDs mounted on one surface thereof; Fastening members fastened to both ends of each of the support members to fasten the support members in a cylindrical or polygonal shape; A protective tube into which the supporting members are inserted; A housing having the protective tube inserted therein and having the photocatalyst layer on a predetermined area of an inner surface thereof; And a sealing cover fastened to one end of the housing.

The housing may be provided on an inner surface thereof, and may have a spiral groove spirally provided from one end of the housing to the other end of the housing.

According to the present invention, there is an effect of providing a portable water purification system using a UV LED having high sterilization efficiency by ensuring sufficient sterilization time of the filtered water.

In addition, according to the present invention, there is an effect of providing a portable water purification system using an ultraviolet LED that can sterilize not only bacteria but also protozoa.

1 is a conceptual diagram of a portable water purification system using the ultraviolet LED of the present invention.
2 and 3 are cross-sectional views showing a portable water purification system using an ultraviolet LED according to an embodiment of the present invention.
4 is a conceptual diagram illustrating another embodiment of the disc shown in FIGS. 2 and 3.
5 and 6 are cross-sectional views illustrating a portable water purification system using an ultraviolet LED according to another embodiment of the present invention.
7 and 8 are cross-sectional views showing a portable water purification system using an ultraviolet LED according to another embodiment of the present invention.
9 and 10 are cross-sectional views illustrating a portable water purification system using an ultraviolet LED according to another embodiment of the present invention.
11 to 15 are diagrams illustrating a portable water purification system using an ultraviolet LED according to another embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual diagram of a portable water purification system using the ultraviolet LED of the present invention.

Referring to FIG. 1, the portable water purification system 10 using the ultraviolet LED of the present invention may include a housing 11, a plurality of ultraviolet LEDs 12, and a photocatalyst layer 13.

The housing 11 may include an inlet 11a through which water flows in and an outlet 11b through which water flows out.

The plurality of ultraviolet LEDs 12 may emit ultraviolet rays 12a and may be provided to irradiate light onto the photocatalyst layer 13.

The photocatalyst layer 13 is present in the water inside the housing 11, in particular in the water 14 in contact with the photocatalyst layer 13 in response to the ultraviolet rays 12a emitted from the ultraviolet LEDs 12. Bacteria or protozoa can be sterilized.

Therefore, in the portable water purification system 10 using the ultraviolet LED of the present invention, when water 14 is introduced through the inlet 11a, the water 14 is guided to the photocatalyst layer 13 so that the photocatalyst layer ( 13), but the contact time is effectively increased, and the water outlet 11b is purified by water 14 in which bacteria or protozoa are sterilized by the photocatalytic layer 13 reacted with the ultraviolet ray 12a. The bacteria or protozoa function to drain the sterilized water 14 through.

2 and 3 are cross-sectional views showing a portable water purification system using an ultraviolet LED according to an embodiment of the present invention. 3 is a cross-sectional view taken along the line AA ′ of FIG. 2.

4 is a conceptual diagram illustrating another embodiment of the disc shown in FIGS. 2 and 3.

2 to 4, the portable water purification system using ultraviolet LEDs 100 according to an embodiment of the present invention includes a housing 110, a support member 120, a plurality of ultraviolet LEDs 130, and a protective tube. 140, a plurality of disks 150, and a photocatalyst layer 160.

The housing 110 serves to protect the configuration therein. The housing 110 may include an inlet 112 for introducing water into the housing 110 and an outlet 114 for outflowing water to the outside of the housing 110.

The housing 110 may be formed of an empty cylinder or a prismatic cylinder.

The inlet 112 and the outlet 114 may be provided on the side of the housing 110, that is, the side of the cylinder or prisms, the inlet 112 and the outlet 114 are provided spaced apart from each other, It is desirable to be as far apart as possible. This is to maximize the time the water stays inside the housing 110.

The support member 120 is provided inside the housing 110 and serves to support the plurality of ultraviolet LEDs 130.

The support member 120 may be formed of a cylinder or a prismatic pillar.

At this time, the support member 120 is not limited to the shape of the column. That is, the support member 120 may be provided in a form in which at least two plates are stacked.

The support member 120 may mount and support the ultraviolet LEDs 130 on the surface of the support member 120, that is, the surface of the cylinder or the prisms of the support member 120.

The support member 120 is shown in Figures 2 and 3 as a triangular pillar whose inner cross section is a triangle, but may be provided in other forms. The support member 120 illustrated in FIGS. 2 and 3 may be formed by fastening the three PCB substrates to each other, in the form of a triangle. In addition, although the support member 120 is not shown in detail in FIGS. 2 and 3, the support member 120 may be provided to fill a space between the three PCB substrates with a heat sink (not shown) in the form of a triangular column. The support member 120 may be provided in the form of three PCB substrates attached to three surfaces of a heat sink (not shown) in the form of a triangular column.

Also, although not shown in detail in FIGS. 2 and 3, an electrical circuit for electrically connecting the ultraviolet LEDs 130 may be provided on the outer surface or the inner surface of the support member 120.

Also, although not shown in detail in FIGS. 2 and 3, at least one of both ends of the support member 120 may be provided to penetrate the housing 110 and be exposed to the outside. The electrical circuit provided in the 120 may be provided to be connected to the outside through the housing 110.

The ultraviolet LEDs 130 may be LEDs that emit ultraviolet light. The ultraviolet LEDs 130 may be made of LEDs emitting the same wavelength, or may be made of LEDs emitting ultraviolet rays of various wavelengths. The ultraviolet LEDs 130 may be formed of LEDs emitting a wavelength of 200 to 400 nm.

The ultraviolet LEDs 130 may be appropriately selected according to the condition of water purified by the portable water purification system 100 using the ultraviolet LED according to an embodiment of the present invention.

The protective tube 140 includes the ultraviolet LEDs 130 to seal the configuration provided inside the protective tube 140 from the outside, in particular, water flowing into the housing 110 to the ultraviolet LEDs 130. It prevents you from reaching it.

In addition, the protective tube 140 may be made of quartz through which ultraviolet light emitted from the ultraviolet LEDs 130 may pass. At this time, the protective tube 140 may be replaced with a configuration of another material having the above-described function, sealing function and ultraviolet transmission function.

The protective tube 140 may be omitted. The ultraviolet LED 130 itself is sealed structure, that is, a material having a sealing function and the ultraviolet transmission function, for example, the packaging material in the step of manufacturing the ultraviolet LED 130, the material including, for example, quartz Can be omitted by using In addition, the protective tube 140 may be omitted by sealing each or all of the ultraviolet LEDs 130.

The disks 150 may be provided in a form fastened on the outer surface of the protective tube 140. At this time, although not shown in Figures 2 and 3, the disk 150 is further provided with a connecting member (not shown) coupled to be spaced apart from each other, the connecting member (not shown) is fastened to the housing 110 As shown in FIG. 2, the disks 150 may be spaced apart from each other at a predetermined interval within the housing 110.

Each of the disks 150 may have a plurality of distribution holes 152. The distribution hole 152 serves to control the flow rate of the water in which the water is circulated in the housing 110, that is, the water in the housing 110, and complicates the water flow path. It serves as an absence.

That is, the housing 110 may be adjusted by adjusting the diameters of the disks 150 and the number, size, and position of the distribution holes 152 provided in the disks 150 with respect to the inner diameter of the housing 110. It plays a role in controlling the flow rate of the inside.

In this case, as shown in FIG. 4, each of the disks 150 includes a plurality of distribution holes 152, and the regions having the distribution holes 152 and the regions having no distribution holes are repeatedly arranged. It may be provided in the form.

The disks 150 are stacked on each other, and the lower disk 150 and the upper disk 150 are provided with regions having distribution holes 152 of the lower disk 150. The regions having the distribution holes 152 of the upper disk 150 may be provided in a displaced form. This maximizes the moving distance of the water passing through the disks 150 and the distribution holes 152, and also serves as a member that not only adjusts the moving speed of the water but also complicates the water flow path.

The photocatalyst layer 160 may be provided on one surface or the other surface of the disk 150. In addition, the photocatalyst layer 160 may be provided on the surface of the distribution hole 152 and may also be provided on the inner surface of the housing 110. The photocatalyst layer 160 may be provided in any region where the ultraviolet rays of the ultraviolet LEDs 130 reach, and any region in which water contacts.

The photocatalyst layer 160 is _{TiO 2, ZnO, Nb 2 O} 53, SnO 2, ZrO 2, SrTiO 3, KTaO 3, Ni-K 4 Nb 6 O 17, CdS, ZnSCdSe, GaP, CdTe, MoSe 2 or WSe _It may comprise at least one of _two .

Therefore, the portable water purification system 100 using the ultraviolet LED according to an embodiment of the present invention, the housing 110, the support member 120, a plurality of ultraviolet LED 130, the protective tube 140, a plurality of disk 150 ) And a photocatalyst layer 160, wherein water flows into the inlet 112 of the housing 110 and flows into the housing 110, while the flow rates are controlled by the disks 150. In response to the photocatalyst layer 160 provided on the surface of the disk 150, the bacteria or protozoa in the water are sterilized to disclose a structure that flows out through the outlet 114 of the housing 110. have.

5 and 6 are cross-sectional views illustrating a portable water purification system using an ultraviolet LED according to another embodiment of the present invention. 6 is a cross-sectional view taken along the line BB ′ of FIG. 5.

Referring to FIGS. 5 and 6, the portable water purification system 200 using ultraviolet LEDs according to another embodiment of the present invention may include a housing 210, a support member 220, a plurality of ultraviolet LEDs 230, and a protective tube. 240, a plurality of balls 250, and a photocatalyst layer 260 may be included.

The housing 210 serves to protect the configuration therein. The housing 210 may include an inlet 212 for introducing water into the housing 210 and an outlet 214 for outflowing water to the outside of the housing 210.

The housing 210 may be formed of an empty cylinder or a prismatic cylinder.

The inlet 212 and the outlet 214 may be provided on the side of the housing 210, that is, the side of the cylinder or prisms, the inlet 212 and the outlet 214 is provided spaced apart from each other, It is desirable to be as far apart as possible. This is to maximize the time the water stays inside the housing 210.

The support member 220 is provided inside the housing 210 and serves to support the plurality of ultraviolet LEDs 230.

The support member 220 may be formed of a cylinder or a prismatic pillar.

At this time, the support member 220 is not limited to the shape of the column. That is, the support member 220 may be provided in a form in which at least two plates are stacked.

The support member 220 may mount and support the ultraviolet LEDs 230 on the surface of the support member 220, that is, the surface of the cylinder or the prisms of the support member 220.

Although the supporting member 220 is illustrated as a triangular pillar whose inner cross section is a triangle in FIGS. 5 and 6, it may be provided in another form. The support member 220 illustrated in FIGS. 5 and 6 may be formed by fastening the three PCB substrates to each other, in the form of a triangle. In addition, although the support member 220 is not shown in detail in FIGS. 5 and 6, the support member 220 may be provided to fill a space between the three PCB substrates with a heat sink (not shown) in the form of a triangular column. The support member 220 may be provided in the form of three PCB substrates attached to three surfaces of a heat sink (not shown) in the form of a triangular column.

In addition, although not shown in detail in FIGS. 5 and 6, an electrical circuit for electrically connecting the ultraviolet LEDs 230 may be provided on an outer surface or an inner surface of the support member 220.

In addition, although not shown in detail in FIGS. 5 and 6, at least one of both ends of the support member 220 may be provided to pass through the housing 210 to be exposed to the outside, and the support member ( The electrical circuit provided in the 220 may be provided in the form of being connected to the outside through the housing 210.

The ultraviolet LEDs 230 may be LEDs that emit ultraviolet light. The ultraviolet LEDs 230 may be formed of LEDs emitting the same wavelength, or may be composed of LEDs emitting ultraviolet rays of various wavelengths. The ultraviolet LEDs 230 may be formed of LEDs emitting a wavelength of 200 to 400 nm.

The ultraviolet LEDs 230 may be appropriately selected according to the state of water purified by the portable water purification system 200 using the ultraviolet LED according to another embodiment of the present invention.

The protective tube 240 includes the ultraviolet LEDs 230 to seal the configuration provided inside the protective tube 240 from the outside, in particular, the water flowing into the housing 210 is supplied to the ultraviolet LEDs 230. It prevents you from reaching it.

In addition, the protective tube 240 may be made of quartz through which ultraviolet light emitted from the ultraviolet LEDs 230 may pass. In this case, the protective tube 240 may be replaced with a configuration of another material having the above-described function, sealing function and ultraviolet transmission function.

The protective tube 240 may be omitted. The ultraviolet LED 230 itself is sealed structure, that is, a material having a sealing function and the UV transmission function, for example, the packaging material in the step of manufacturing the ultraviolet LED 230, a material including, for example, quartz Can be omitted by using In addition, the protective tube 240 may be omitted by sealing each or all of the ultraviolet LEDs 230.

The balls 250 are provided in the housing 210, and may be provided between the housing 210 and the protective tube 240. Although not shown in FIGS. 5 and 6, a cylindrical case (not shown) is inserted between the housing 210 and the protective tube 240 and defines the balls 250 to be positioned within a predetermined area. It can be provided. The cylindrical case (not shown) may include a plurality of holes to allow the water to penetrate therein.

The balls 250 may not be provided to completely fill the inside of the housing 210. That is, the fire 250 may be provided in the form of flowing the inside of the housing 210 together with the water when water is introduced into the housing 210.

The flow rate of the housing 210 may be adjusted by adjusting the size, shape, and number of the balls 250. In addition, the balls 250 serve as a member to complicate the water flow path.

The balls 250 may be ceramic balls made of ceramic or resin balls made of resin, or a mixture thereof. In addition, the balls 250 may be made of a material forming the photocatalyst layer 260 itself.

The photocatalyst layer 260 may be provided in a form coated on the surface of the balls 250.

The photocatalyst layer 260 is _{TiO 2, ZnO, Nb 2 O} 53, SnO 2, ZrO 2, SrTiO 3, KTaO 3, Ni-K 4 Nb 6 O 17, CdS, ZnSCdSe, GaP, CdTe, MoSe 2 or WSe _It may comprise at least one of _two .

Therefore, the portable water purification system 200 using the ultraviolet LED according to another embodiment of the present invention, the housing 210, the support member 220, a plurality of ultraviolet LED 230, the protective tube 240, a plurality of balls 250 ) And a photocatalyst layer 260, wherein water flows into the inlet 212 of the housing 210 and flows into the housing 210, together with the balls 250, inside the housing 210. In the present invention, the reaction of the photocatalyst layer 260 provided on the surface of the ball 250 to sterilize the bacteria or protozoa in the water is initiated the structure to be discharged to the outside through the outlet 214 of the housing Doing.

7 and 8 are cross-sectional views showing a portable water purification system using an ultraviolet LED according to another embodiment of the present invention. 8 is a cross-sectional view taken along the line CC ′ of FIG. 7.

7 and 8, the portable water purification system 300 using the ultraviolet LED according to another embodiment of the present invention includes a housing 310, a support member 320, a plurality of ultraviolet LEDs 330, The protective tube 340, the inner cylinder 350, and the photocatalyst layer 360 may be included.

The housing 310 serves to protect the configuration therein. The housing 310 may include an inlet port 312 for introducing water into the housing 310 and an outlet port 314 for outflow of water to the outside of the housing 310.

The housing 310 may be formed of an empty cylinder or a prismatic cylinder.

The inlet 312 and the outlet 314 may be provided on the side of the housing 310, that is, the side of the cylinder or prisms, the inlet 312 and the outlet 314 is provided spaced apart from each other, It is desirable to be as far apart as possible. This is to maximize the time for the water to stay inside the housing 310.

The support member 320 is provided inside the housing 310 and serves to support the plurality of ultraviolet LEDs 330.

The support member 320 may be formed of a cylinder or a prismatic pillar.

At this time, the support member 320 is not limited to the shape of the column. That is, the support member 320 may be provided in a form in which at least two plates are stacked.

The support member 320 may mount and support the ultraviolet LEDs 330 on the surface of the support member 320, that is, the surface of the cylinder or the prisms of the support member 320.

The support member 320 is illustrated in Figures 7 and 8 as a triangular pillar whose inner cross section is a triangle, but may be provided in other forms. The support member 320 shown in FIGS. 7 and 8 may be formed by fastening the three PCB substrates to each other, in a triangular form. In addition, although not shown in detail in FIGS. 7 and 8, the support member 320 may be provided in a form of filling a space between the three PCB substrates with a heat sink (not shown) in the form of a triangular column. The support member 320 may be provided in the form of three PCB substrates attached to three surfaces of a heat sink (not shown) in the form of a triangular column.

In addition, although not shown in detail in FIGS. 7 and 8, an electric circuit for electrically connecting the ultraviolet LEDs 330 may be provided on an outer surface or an inner surface of the support member 320.

In addition, although not shown in detail in FIGS. 7 and 8, at least one of both ends of the support member 320 may be provided to penetrate the housing 310 to be exposed to the outside. The electrical circuit provided in the 320 may be provided in the form of being connected to the outside through the housing 310.

The ultraviolet LEDs 330 may be LEDs emitting ultraviolet light. The ultraviolet LEDs 330 may be formed of LEDs emitting the same wavelength, or may be composed of LEDs emitting ultraviolet rays of various wavelengths. The ultraviolet LEDs 330 may be formed of LEDs emitting a wavelength of 200 to 400 nm.

The ultraviolet LEDs 330 may be appropriately selected according to the state of water purified by the portable water purification system 300 using the ultraviolet LED according to another embodiment of the present invention.

The protective tube 340 includes the ultraviolet LEDs 330 to seal the configuration provided inside the protective tube 340 from the outside, in particular, the water flowing into the housing 310 to the ultraviolet LEDs 330. It prevents you from reaching it.

In addition, the protective tube 340 may be made of quartz through which ultraviolet light emitted from the ultraviolet LEDs 330 may pass. In this case, the protective tube 340 may be replaced with a configuration of another material having the above-described function, sealing function and ultraviolet transmission function.

The inner cylinder 350 may be provided between the protective tube 340 and the housing 310. Both ends of the inner cylinder 350 may be fastened to the housing 310.

In this case, although not shown in FIGS. 7 and 8, the inner cylinder 350 may have a plurality of transmission holes (not shown) similar to the distribution hole 152 described with reference to FIGS. 2 and 3 on the surface thereof. . That is, when the inner cylinder 350 includes the transmission holes (not shown) on its surface, water is distributed between the inner cylinder 350 and the protection tube 340, but the transmission hole (not shown) If it is not provided with the water may be distributed between the inner cylinder 350 and the housing 310. In addition, the inner cylinder 350 has a penetration hole (not shown) on its surface serves as a member to complicate the water flow path.

The protective tube 340 or the inner cylinder 350 may be omitted. The ultraviolet LED 330 itself is sealed structure, that is, a material having a sealing function and a UV transmission function, for example, a packaging material in the step of manufacturing the ultraviolet LED 330, the material including, for example, quartz Can be omitted by using In addition, the protection tube 340 or the inner cylinder 350 may be omitted by sealing each or all of the ultraviolet LEDs 330 in a coating form.

The photocatalyst layer 360 may be provided on an outer surface of the inner cylinder 350. On the other hand, when water flows between the inner cylinder 350 and the protective tube 340, for example, having the through holes (not shown) on the surface of the inner cylinder 350, the photocatalyst layer 360 is It may be provided on the inner surface of the inner cylinder 350 or on the surface of the protective tube 340.

The photocatalyst layer 360 is _{TiO 2, ZnO, Nb 2 O} 53, SnO 2, ZrO 2, SrTiO 3, KTaO 3, Ni-K 4 Nb 6 O 17, CdS, ZnSCdSe, GaP, CdTe, MoSe 2 or WSe _It may comprise at least one of _two .

Therefore, the portable water purification system 300 using the ultraviolet LED according to another embodiment of the present invention is the housing 310, the support member 320, a plurality of ultraviolet LED 330, the protective tube 340, the inner cylinder 350 And a photocatalyst layer 360, and when water flows into the inlet 312 of the housing 310 and flows into the housing 310, the photocatalyst layer provided on the surface of the inner cylinder 350, etc. In response to 360, the bacteria or protozoa in the water are sterilized and disclosed to flow out through the outlet 314 of the housing 310.

9 and 10 are cross-sectional views illustrating a portable water purification system using an ultraviolet LED according to another embodiment of the present invention. 10 is a cross-sectional view taken along the line D-D 'of FIG. 9.

9 and 10, the portable water purification system 400 using ultraviolet LEDs according to another embodiment of the present invention includes a housing 410, a support member 420, a spiral blade 430, and a plurality of The ultraviolet LED 440, the protective cover 450, the photocatalyst layer 460, and the driving means 470 may be included.

The housing 410 serves to protect the configuration therein. The housing 410 may include an inlet 412 for introducing water into the housing 410 and an outlet 414 for outflowing water to the outside of the housing 410.

The housing 410 may be formed of an empty cylinder or an angular cylinder thereof.

The inlet 412 and the outlet 414 may be provided on the side of the housing 410, that is, the side of the cylinder or prisms, the inlet 412 and the outlet 414 is provided spaced apart from each other, It is desirable to be as far apart as possible. This is to maximize the time for the water to stay inside the housing 410.

The support member 420 is provided inside the housing 410 and serves to support the spiral blade 430.

That is, the support member 420 is fastened to at least one end 432 or 434 of the spiral blade 430, as shown in Figure 9 or 10 so that the spiral blade 430 is the housing 410 Although not shown in FIG. 9 or FIG. 10, the inner blade portion of the spiral blade 430 may be provided to be fastened to the support member 420.

In addition, although not shown in detail in FIGS. 9 and 10, an electric circuit electrically connected to the LEDs 440 is formed on or in the surface of the support member 420. At least one of both ends 432 and 434 is provided to penetrate the housing 410 to be exposed to the outside, and an electrical circuit provided in the support member 420 is connected to the outside through the housing 410. It may be provided in the form.

On the other hand, the support member 420 may be omitted when the spiral blade 430 is directly fastened to the housing 410 as described later.

The spiral blade 430 may be provided in the form of a wing twisted in a spiral form from the top of the housing 410 to the bottom direction, that is, a screw.

9 and 10, the spiral blade 430 may be provided in a form spaced apart from the support member 420 without an inner blade being fastened to the support member 420. Although not shown in FIG. 9 and FIG. 10, the inner blade may be provided in the form of being fastened to the support member 420.

As shown in FIGS. 9 and 10, the spiral blade 430 has at least one of the ends 432 and 434 fastened to the support member 420 to be supported by the support member 420. 9 or 10, the support member 420 is omitted, and at least one of both ends 432 and 434 of the spiral wing 430 is provided in the housing 410. It may be fastened to the inner surface of the support.

Although the spiral blade 430 is not shown in FIG. 9 or 10, the spiral blade 430 may include an electrical circuit for electrically connecting the LEDs 440 on one surface or the other surface thereof, and the spiral blade 430. The electrical circuit of may be connected to the outside of the housing 410.

The spiral wing 430 mounts the ultraviolet LEDs 430 on one surface thereof, and the protective cover 450 covers the one surface on which the ultraviolet LEDs 430 are mounted, and on the other surface of the spiral wing 430. The photocatalyst layer 460 may be provided.

The spiral blade 430 serves to adjust the flow rate of the water of the housing 410, and serves as a member to complicate the water flow path.

The ultraviolet LEDs 440 may be LEDs emitting ultraviolet light. The ultraviolet LEDs 440 may be formed of LEDs emitting the same wavelength, or may be composed of LEDs emitting ultraviolet rays of various wavelengths. The ultraviolet LEDs 440 may be formed of LEDs emitting a wavelength of 200 to 400 nm.

The ultraviolet LEDs 440 may be appropriately selected according to the condition of the water purified by the portable water purification system 400 using the ultraviolet LED according to another embodiment of the present invention.

The protective cover 450 covers one surface of the spiral wing 430, and seals the ultraviolet LEDs 440 provided on one surface of the spiral wing 430 from the outside, particularly inside the housing 410. It may serve to prevent the flowing water to reach the ultraviolet LED (440).

In addition, the protective cover 450 may be made of quartz through which ultraviolet light emitted from the ultraviolet LEDs 440 may pass. In this case, the protective cover 450 may be replaced with a configuration of another material having the above-described function, sealing function and ultraviolet transmission function.

The protective cover 450 may be omitted. The ultraviolet LED 440 itself is sealed structure, that is, a material including a packaging material and the above-described sealing function and ultraviolet transmission function, for example, quartz in the step of manufacturing the ultraviolet LED 440, for example, a material including quartz Can be omitted by using In addition, the protective cover 450 may be omitted by hermetically sealing each or all of the ultraviolet LEDs 440.

The photocatalyst layer 460 may be provided on the other surface of the spiral blade 430. That is, the photocatalyst layer 460 is the spiral wing 430 is provided in the form of a spiral so that the ultraviolet rays emitted from the ultraviolet LED 440 provided on one surface of the spiral wing 430 reaches the spiral It may be provided on the other surface of the wing 430.

The photocatalyst layer 460 is _{TiO 2, ZnO, Nb 2 O} 53, SnO 2, ZrO 2, SrTiO 3, KTaO 3, Ni-K 4 Nb 6 O 17, CdS, ZnSCdSe, GaP, CdTe, MoSe 2 or WSe _It may comprise at least one of _two .

9, the driving means 470 may be provided outside the housing 410 as shown in FIG. 9, and may be located inside the housing 410 although not shown in the drawing. The driving means 470 is connected to the support member 420 or the spiral blades 430 to rotate or vibrate the support member 420 or the spiral blades 430, for example, rotation means or vibration means. Can be.

The driving means 470 may rotate or vibrate the support member 420 or the spiral blade 430 to adjust the moving speed of the water or increase the contact time of the water to increase sterilization efficiency.

The driving means 470 may adjust the direction or the number of rotations of rotating the support member 420 or the spiral blade 430 according to time, and may also adjust the frequency according to the time.

Therefore, the portable water purification system 400 using the ultraviolet LED according to an embodiment of the present invention is the housing 410, the support member 420, spiral wings 430, a plurality of ultraviolet LED 440, protective cover 450 And a photocatalyst layer 460, wherein water flows into the inlet 412 of the housing 410 and flows into the housing 410, and is provided on one surface of the spiral wing 430. The bacteria or protozoa in the water are sterilized by reacting with the ultraviolet light emitted from the ultraviolet LEDs 440 and the photocatalyst layer 460 provided on the other surface of the spiral wing 430 to disinfect the housing 410. Disclosed is a structure that flows out through the outlet 414.

11 to 15 are diagrams illustrating a portable water purification system using an ultraviolet LED according to another embodiment of the present invention.

11 to 15, the portable water purification system 500 using the ultraviolet LED according to another embodiment of the present invention includes a plurality of support members 510, a plurality of ultraviolet LEDs 520, and a first fastening. The member 530, the second fastening member 540, the protective tube 550, the housing 560, the photocatalyst layer 570, and the sealing cover 580 may be included.

Each of the support members 510 may be a mounting substrate capable of mounting the ultraviolet LED 520, such as a PCB substrate or a ceramic substrate.

In addition, although not shown in detail in FIG. 12, an electric circuit for electrically connecting the ultraviolet LEDs 520 may be provided on an outer surface or an inner surface of the support member 510.

Each of the support members 510 may include first fastening protrusions 512 and second fastening protrusions 514 at both ends thereof.

The support members 510 are engaged with the first fastening member 530 and the second fastening member 540 to be described later, and have an empty space or a heat sink (not shown) therein as shown in FIG. 12. It can be fastened in the form of one polygonal pillar, for example a hexagonal pillar.

The ultraviolet LEDs 520 may be LEDs emitting ultraviolet light. The ultraviolet LEDs 520 may be made of LEDs emitting the same wavelength, or may be made of LEDs emitting ultraviolet rays of various wavelengths. The ultraviolet LEDs 520 may be formed of LEDs emitting a wavelength of 200 to 400 nm.

The ultraviolet LEDs 520 may be appropriately selected according to the state of water purified by the portable water purification system 500 using the ultraviolet LED according to another embodiment of the present invention.

The first fastening member 530 and the second fastening member 540 are positioned at both ends of the support members 510 to fasten with the support members 510 to support the support members 510. do.

The first fastening member 530 and the second fastening member 540 respectively have a first fastening groove 532 corresponding to the first fastening protrusion 512 and the second fastening protrusion 514 of the support members 510. And a second fastening groove 542. Each of the first fastening protrusion 512 and the second fastening protrusion 514 of the support members 510 may be formed by the first fastening groove 532 and the second fastening member 540 of the first fastening member 530. The support members 510 may be fastened to the first fastening member 530 and the second fastening member 540 by being fastened to the second fastening groove 542.

On the other hand, the first fastening member 530 has a protective tube fastening groove 534 is fastened to the edge of the protective tube 550 described later, as shown in Figure 14, the protective tube 550 is It is fastened to the protective tube fastening groove 534 to be supported.

In addition, the first fastening member 530 may include a first vent 536 at a central portion thereof, and the first vent 536 may be an empty space or a heat sink (not shown) in the support members 510. When the outside air is introduced into the heat of the support member 510, it may be provided as a passage for discharging the heat generated by the ultraviolet LEDs (520) to the outside.

The protective tube 550 may be formed of a cylinder or a polygonal column, but preferably in the form of a glass test tube, that is, one end is open but the other end is closed in a hemispherical shape.

The protective tube 550 includes a plurality of the supporting members 510 mounted with the ultraviolet LEDs 520 fastened by the first fastening member 530 and the second fastening member 540 through one end thereof. ) May be provided to be inserted and positioned.

One end of the protective tube 550 may be fastened to the protective tube fastening groove 534 of the first fastening member 530.

The protective tube 550 includes the ultraviolet LEDs 520 to protect components included in the protective tube 520, and water flowing between the protective tube 550 and the housing 560 described later. It serves to prevent the ultraviolet LEDs 520 from reaching.

In addition, the protective tube 550 may be made of quartz through which ultraviolet light emitted from the ultraviolet LEDs 520 may pass. At this time, the protective tube 550 may be replaced with a configuration of another material having the above-described function, sealing function and ultraviolet transmission function.

The protective tube 550 may be omitted. The ultraviolet LED 520 itself is sealed structure, that is, a material having a sealing function and a UV transmission function, for example, a packaging material as described above in the step of manufacturing the ultraviolet LED 520, for example, a material containing quartz Can be omitted by using In addition, the protective tube 550 may be omitted by sealing each or all of the ultraviolet LEDs 520 in a coating form.

The housing 560 may include an inlet 562 for introducing water into the housing 560 and an outlet 564 for outflow of water to the outside of the housing 560.

The housing 560 may be formed of a cylinder or a polygonal column, but preferably in the form of a glass test tube, that is, one end is open but the other end may be formed in a hemispherical shape.

The inlet 562 and the outlet 564 may both be provided on the side of the housing 560, that is, the side of the cylinder, but preferably the inlet 562 is provided at the other end, but the outlet 564 may be provided on the side of one end side of the housing 560.

At this time, the inlet 562 and the outlet 564 are provided spaced apart from each other, it is preferable to be spaced as far as possible. This is to maximize the time for the water to stay inside the housing 560.

On the other hand, the housing 560 has a spiral groove 566 therein, as shown in Figure 13 and 15. The spiral groove 566 is provided in the housing 560, the other side of the housing 560 having the outlet 564 at one end of the housing 560 provided with the inlet 562. It may be provided in a spiral to the end side.

The spiral groove 566 allows water introduced into the inlet 562 to move from one end side of the housing 560 to the other end side of the housing while drawing a spiral on an inner surface of the housing 560. As a result, the spiral groove 566 moves in a moving path longer than the length of the housing 560, that is, a longer flow path, until water introduced into the inlet 562 is discharged to the outlet 564. As a result, the residence time in the housing 560 becomes longer, thereby making the sterilization time longer. The spiral groove 566 serves as a member that complicates the water flow path.

The housing 560 includes the support members 510, the ultraviolet LEDs 520, the first fastening member 530, the second fastening member 540, and the protective tube 550 inserted therein.

In this case, the housing 560 may include a locking step 568 having an inner diameter equal to the diameter of the first fastening member 530 on an inner surface of one end of the housing 560.

That is, the housing 560 has the locking step 568 at one end thereof, as shown in FIG. 13, so that the first fastening member 530 is inserted into the housing 560. It can be mounted without being inserted.

In addition, the housing 560 may have an empty space in a predetermined region inside the other end side thereof. That is, the protective tube 550 may not extend to the end of the other end side of the housing 560. This causes the water flowing in from the inlet 562 connected to the other end of the housing 560 to create turbulence in the empty space of the other end of the housing 560, so that the water flows into the housing 560. It is possible to increase the residence time within).

In addition, although not shown in the drawings, the housing 560 may be provided with a screw groove (not shown) on an outer surface of one end thereof so that the sealing cover 580 described later may be fastened. have.

On the other hand, the protective tube 550 and the housing 560 may be provided so that the outer surface and the inner surface in contact with each other, it may also be provided spaced apart. That is, the outer diameter of the protective tube 550 is the same as the inner diameter of the housing 560, or the outer diameter of the protective tube 550 is smaller than the inner diameter of the housing 560, the protective tube 550 and the housing A space (shown in FIG. 13) may be formed between the 560. This may affect the movement path of the water flowing into the housing 560. That is, when the outer surface of the protective tube 550 and the inner surface of the housing 560 are in contact with each other, water moves only to the spiral groove 566 of the housing 560, but the protective tube 550 and the This is because when the separation space is formed between the housing 560, another movement path may be formed.

The photocatalyst layer 570 may be provided on an inner surface of the housing 560, a surface of the spiral groove 566 of the housing 560, or a surface of the protective tube 550.

The photocatalyst layer 570 may be provided in any region as long as the ultraviolet rays of the ultraviolet LEDs 520 reach and contact with water.

The photocatalyst layer 570 is _{TiO 2, ZnO, Nb 2 O} 53, SnO 2, ZrO 2, SrTiO 3, KTaO 3, Ni-K 4 Nb 6 O 17, CdS, ZnSCdSe, GaP, CdTe, MoSe 2 or WSe _It may comprise at least one of _two .

The housing 580 is provided with the support members 510, ultraviolet LEDs 520, the first fastening member 530, the second fastening member 540, and the protective tube 550 therein. It is fastened to one end of the 560 serves to fasten the configuration is inserted into the housing 560 provided.

The airtight cover 580 may include a second vent 582 at a central portion thereof, and the vent 582 may be connected to the first vent 536 to form an empty space inside the support members 510, or External air flows into the heat sink (not shown) and may be provided as a passage for dissipating heat generated by the support member 510, precisely heat generated by the ultraviolet LEDs 520, to the outside.

Although not shown in the drawing, the sealing cover 580 is provided with a screw protrusion (not shown) corresponding to the screw groove (not shown) of the housing 560 described above on the inner surface of the housing 560. ) May be provided to facilitate the fastening.

Accordingly, the portable water purification system 500 using the ultraviolet LED according to another embodiment of the present invention includes a plurality of support members 510, a plurality of ultraviolet LEDs 520, a first fastening member 530, and a second fastening member. 540, a protective tube 550, a housing 560, a photocatalyst layer 570, and a sealing cover 580, and water is introduced into the inlet 562 of the housing 560 to be inside the housing 560. While the flow path and the flow rate of the water is controlled by the spiral groove 566 provided on the inner surface of the housing 560, the ultraviolet rays irradiated from the ultraviolet LED 520 and the of the housing 560 The photocatalyst layer 570 provided on the surface of the spiral groove 566 or on the inner surface of the housing 560 reacts to sterilize bacteria or protozoa in the water so that the outlet 564 of the housing 560 is sterilized. It discloses a structure that flows out through the.

The present invention has been described above with reference to the above embodiments, but the present invention is not limited thereto. Those skilled in the art will appreciate that modifications and variations can be made without departing from the spirit and scope of the present invention and that such modifications and variations also fall within the present invention.

110 housing 120 support member
130: UV LED 140: protective tube
150: disk 160: photocatalyst layer

Claims

A housing having an inlet through which water is introduced and an outlet through which the water flows out; And
Portable water purification system using an ultraviolet LED including a plurality of ultraviolet LED provided in the lower housing.

The portable water purification system according to claim 1, further comprising a photocatalyst layer which reacts with ultraviolet light emitted from the ultraviolet LED to sterilize bacteria or protozoa present in the water.

The portable water purification system according to claim 2, further comprising a member for increasing a flow path of the water between the inlet and the outlet.

The method of claim 2, wherein the housing is made of a cylinder or a prismatic column,
Each of the inlet and the outlet is a portable water purification system using an ultraviolet LED is provided on the side of the cylinder or prisms.

The portable water purification system according to claim 2, wherein the portable water purification system includes a support member provided inside the housing.

The portable water purification system according to claim 5, wherein the support member is formed of a cylinder or a prisms, and the ultraviolet LEDs are mounted on a surface of the prisms or prisms.

The portable water purification system according to claim 6, further comprising a protective tube for sealing the ultraviolet LEDs mounted on the support member.

The portable water purification system according to claim 7, wherein the ultraviolet LED comprises a plurality of disks fastened to the protective tube.

The portable water purification system according to claim 8, wherein each of the disks has a plurality of distribution holes.

9. The portable water purification system according to claim 8, wherein said disks have said photocatalyst layer on their surface.

The portable water purification system according to claim 6, wherein the housing includes a plurality of balls, and each of the balls has a surface of the photocatalyst layer.

The portable water purification system according to claim 11, wherein the ball is a ceramic ball or a resin ball.

The portable water purification system according to claim 5, further comprising an inner cylinder provided inside the case, sealing the support member, and transmitting the ultraviolet rays.

The portable water purification system according to claim 13, wherein the photocatalyst layer is provided on an outer surface of the inner cylinder.

The portable water purification system according to claim 5, wherein the portable LED is connected to the support member and includes a spiral wing centered on the support member.

The portable water purification system according to claim 15, wherein the ultraviolet LEDs are provided on one surface of the spiral wing and have a protective cover covering the one surface.

The portable water purification system according to claim 16, wherein the photocatalyst layer is provided on the other surface of the spiral wing or the surface of the protective cover.

The portable water purification system of claim 2, wherein
A plurality of support members each having the ultraviolet LEDs mounted on one surface thereof;
Fastening members fastened to both ends of each of the support members to fasten the support members in a cylindrical or polygonal shape;
A protective tube into which the supporting members are inserted;
A housing having the protective tube inserted therein and having the photocatalyst layer on a predetermined area of an inner surface thereof; And
Portable water purification system using a UV LED comprising a; sealing cover fastened to one end of the housing.

The portable water purification system according to claim 18, wherein the housing is provided on an inner surface thereof and has a spiral groove spirally provided from one end of the housing to the other end of the housing.