KR101910572B1 - Portable water purifier system using uvtraviolet light emitting diode - Google Patents

Abstract

The present invention relates to a portable water purification system using an ultraviolet LED. According to the present invention, there are provided a support member; A plurality of ultraviolet LEDs mounted on the surface of the support member; A solid filter having a penetrating passage into which the supporting member is inserted; And a lid coupled to one end of the solid filter to seal the passageway of the solid filter.

Description

[0001] Description [0002] PORTABLE WATER PURIFIER SYSTEM USING UVTRAVIOLET LIGHT EMITTING DIODE [

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

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

The water purifier is a device that purifies water that has flowed through a raw water supply portion through various filters, stores the purified water in a purified water tank, and then discharges the purified water to the outside through a water intake coke.

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

At this time, the filtration equation can be classified into a micro filter type, an activated carbon filtration type or a hollow fiber filter filtration type depending on the type of filter used.

The active carbon filtration system is widely used in the form of activated carbon having excellent deodorizing function such as pesticides and synthetic detergents.

The reverse osmosis method uses a phenomenon in which a substance moves through a membrane, and one side of the membrane is pressurized so that water molecules pass through the membrane and leave contaminants.

Recently, such a water purifier has a tendency to include sterilizing filters for sterilizing bacteria remaining in the filtered water.

These sterilization systems must meet individual pretreatment systems for the removal of microfilters, impurities removal, disinfection by-products, volatile organic contaminants and the like for the removal of microorganisms such as cryptosporidium and giardia, and in some systems, sterilization and disinfection A post-treatment filter is required to remove harmful substances generated due to a side effect occurring after the action.

In addition, since the conventional sterilizing filter has scales on the surface thereof, for example, a quartz tube surface, or the UV irradiation range is wide, the sterilizing efficiency is inferior. The sterilizing filter is simply provided with a UV lamp in a channel through which the filtered water passes The disinfection efficiency is bad, there is a risk of surface damage in management, and if the UV lamp is broken, there is a disadvantage that the amount of mercury may be exposed although it is very small.

It is an object of the present invention to provide a solid filter unit which is controlled by micro pores and a system in which an ultraviolet LED is mounted on a solid filter inner diameter to produce no byproducts and to control the flow rate to increase the contact time with the contact surface with water And to provide a portable water purification system using an ultraviolet LED having higher sterilization efficiency.

It is another object of the present invention to provide a portable water purification system using an ultraviolet LED capable of sterilizing not only bacteria but also protozoans.

In order to achieve the above object, according to an aspect of the present invention, A plurality of ultraviolet LEDs mounted on the surface of the support member; A solid filter having a penetrating passage into which the supporting member is inserted; And a lid coupled to one end of the solid filter to seal the passageway of the solid filter.

The portable water purification system may include a protection pipe inserted into the passage of the solid filter and having a support member in which the ultraviolet LEDs are mounted.

The solid filter may have pores that are not permeable to bacteria or protozoans.

The solid filter has a spacing space between the penetrating passages and the protective pipe, and the water injected into the spacing spaces can flow out through the solid filter.

The support member may include a heat sink formed of a columnar or polygonal column.

The support member may include a heat sink having a triangular shape, and PCB boards may be coupled to three sides of the heat sink.

According to another aspect of the present invention, there is provided a solid filter unit comprising: a solid filter unit; A filter case into which the solid filter unit is inserted and having at least one outlet at the bottom; And a filter cover coupled to the case and having at least one inlet, the solid filter unit comprising: a support member; A plurality of ultraviolet LEDs mounted on the surface of the support member; A solid filter having a penetrating passage into which the supporting member is inserted; And a lid coupled to one end of the solid filter to seal the passageway of the solid filter.

The portable water purification system may include a protection pipe inserted into the passage of the solid filter and having a support member in which the ultraviolet LEDs are mounted.

The solid filter may have pores that are not permeable to bacteria or protozoans.

The solid filter unit has a spacing space between the penetrating passages and the protective pipe, and the water injected into the spacing spaces can flow out through the solid filter.

A space may be provided between the solid filter unit and the inner wall of the filter case.

The support member may include a heat sink formed of a columnar or polygonal column.

The support member may include a heat sink having a triangular shape, and PCB boards may be coupled to three sides of the heat sink.

According to the present invention, by using a solid filter unit adjusted to micro pores and a system equipped with an ultraviolet LED on the inside of a solid filter, by-products are not generated and the contact time with the contact surface with water is increased It is possible to provide a portable water purification system using an ultraviolet LED having higher sterilization efficiency.

Further, according to the present invention, it is possible to provide a portable water purification system using an ultraviolet LED capable of sterilizing not only bacteria but also protozoans.

1 is a conceptual diagram showing a solid filter unit according to an embodiment of the present invention.
FIGS. 2 to 5 are conceptual diagrams showing components of a solid filter unit according to an embodiment of the present invention.
6 and 7 are a conceptual view and a cross-sectional view showing a sterilizing filter including a solid filter unit according to an embodiment of the present invention.
8 is a conceptual diagram illustrating a portable water purification system using an ultraviolet LED according to an embodiment of the present invention.
9 is a conceptual diagram illustrating a portable water purification system using an ultraviolet LED according to another embodiment of the present invention.

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

1 is a conceptual diagram showing a solid filter unit according to an embodiment of the present invention.

FIGS. 2 to 5 are conceptual diagrams showing components of a solid filter unit according to an embodiment of the present invention.

1 to 5, the solid filter unit 100 according to an embodiment of the present invention includes a support member 110, a plurality of ultraviolet LEDs 120, a protective tube 130, a solid filter 140, And a cover 150.

The support member 110 supports the plurality of ultraviolet LEDs 120.

The support member 110 may be a cylinder or a prism.

The support member 110 may mount and support the ultraviolet LEDs 120 on the surface of the support member 110, that is, on the surface of a columnar or prismatic column of the support member 110.

The support member 110 may include a heat sink 112 having a cylindrical or polygonal shape.

At this time, the support member 110 is not limited to a columnar shape. That is, the support member 110 may be formed in a stacked structure of at least two plates.

The heat sink 112 may include various types of pillars, but may be formed as a triangular column as shown in FIGS.

The support member 110 may be mounted on the surface of the heat sink 112 with a plurality of PCB boards 114 attached thereto. 1 and 2, when the heat sink 112 is in the form of a triangular prism, three PCBs 114 are mounted on the side surface of the heat sink 112, PCB boards 114 may be attached to three sides of the heat sink 112, respectively.

The PCB substrate 114 may be a metal PCB substrate, and the PCB substrate 114 may include various types.

Although not shown in detail in FIGS. 1 and 2, on one surface of the PCB substrate 114 or on the other surface that is in contact with the heat sink 112, an electric wire (not shown) for electrically connecting the LEDs 120, Circuit may be provided. Also, a wiring for electrically connecting the LEDs 120 to the heat sink 112 may be provided on or in the surface thereof. In addition, terminals (not shown) for connecting the LEDs 120 to the power source may be provided at one end of the PCB substrate 114.

The ultraviolet LEDs 120 may be mounted on the surface of the support member 110, preferably one side of the PCB substrate 114 of the support member 110.

The ultraviolet LEDs 120 may be LEDs that emit ultraviolet rays. The ultraviolet LEDs 120 may be made of LEDs emitting the same wavelength or may be LEDs emitting ultraviolet rays of various wavelengths.

The ultraviolet LEDs 120 may include LEDs emitting light having a wavelength of 200 to 400 nm.

The support member 110 including the ultraviolet LEDs 120 can be detached from the solid filter unit 100 to separate the ultraviolet LEDs 120 when the ultraviolet LEDs 120 are damaged or have reached the end of their life, 120). ≪ / RTI >

The protection tube 130 includes the ultraviolet LEDs 120 and is provided inside the protection tube 130. That is, the protection tube 130 functions to seal the support member 110 from the outside, for example, from water .

The protection tube 130 may be made of quartz through which ultraviolet rays emitted from the ultraviolet LEDs 120 can pass.

1 and 3, the protective tube 130 may have a shape of a test tube having a sealed end at one end.

At this time, the protective pipe 130 may be replaced with another material having the functions described above, that is, the sealing function and ultraviolet ray transmitting function.

The protection pipe 130 is inserted into the through passage 142 of the solid filter 140 to be described later and may be disposed apart from the through passage 142 without being in contact with the through pipe 142. That is, a space is provided between the protective pipe 130 and the through-hole 142. When water is injected into the spacing space between the protective pipe 130 and the through-passage 142, water in the spacing space can flow through the solid filter 140 and out of the spacing space.

The protective pipe 130 may be omitted. The ultraviolet LEDs 120 themselves are sealed. That is, in the step of fabricating the ultraviolet LEDs 120, the packaging material is made of a material having a sealing function and ultraviolet ray transmitting function, for example, a material including quartz Can be omitted. In addition, the protective tube 130 may be omitted by sealing each UV LED 120 or the entire UV LED 120.

The solid filter 140 may have a cylindrical shape including a through-hole 142 at a central portion thereof.

The solid filter 140 may be a carbon block or a ceramic block. At this time, the carbon block may be one prepared by appropriately blending a binder containing a resin such as polyethylene and powdered activated carbon.

At this time, the solid filter 140 may include pores smaller than the protozoan such that protozoan such as cryptosporium or giadia, which is resistant to chlorine injected for sterilization or the like, have.

The pores of the solid filter 140 may have a size of less than 5 mu m.

In addition, the solid filter 140 may be coated with a photocatalyst on the surface of the through-hole 142. The photocatalyst may react with ultraviolet rays emitted from the ultraviolet LEDs 120 to sterilize the protozoa or bacteria.

Meanwhile, the solid filter 140 may be detached from the solid filter unit 100, and the solid filter 140 may have a lifetime (for example, when the pores are clogged or the deadline is reached) May be detached from the solid filter unit 100, and a new solid filter 140 may be mounted.

The optical catalyst of the _{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 ₂ And may include at least one.

That is, the solid filter unit 100 according to an embodiment of the present invention filters the foreign substances in the water by the solid filter 140, filters the protozoan such as cryptosporium or gyadia, The ultraviolet rays emitted from the ultraviolet rays 120 may sterilize the protozoan such as cryptosporium or giadia. At this time, the protozoan such as cryptosporium or giadia is exposed to ultraviolet rays emitted from the LEDs 120 for a long time by the solid filter 140, and is sterilized.

The lid 150 may be coupled to one end of the solid filter 140.

The lid 150 serves to seal the solid filter 140 and in particular to seal the inlet of one of the two openings of the passage 142 of the solid filter 140. That is, the lid 150 seals the lower inlet of the two passages 142 of the solid filter 140, so that the water injected into the inlet of the upper one of the two inlets of the pass- And passes through the filter 140 to pass out of the solid filter 140.

5, the lid 150 includes a support member mounting groove 152 on which the support member 110 is mounted and a protective pipe mounting groove 154 on which the protection pipe 130 is mounted, .

Although not shown in detail in FIG. 1 or 5, the lid 150 may include terminals (not shown) for electrically connecting to the support member 110, and the terminals (not shown) And a wiring for connecting an external power source may be provided therein.

1 and 5, the cover 150 may include a battery (not shown) for supplying power to the plurality of LEDs 120, And a power receiver (not shown) including a coil for charging wirelessly (not shown). At this time, the lid 150 does not include a battery but may include only a power receiver (not shown).

 That is, although the solid filter unit 100 according to the embodiment of the present invention is described as being limited to the lid 150 (in the present embodiment, the lid 150), other components, for example, (Not shown) may include an electric connection member to be electrically connected to the ultraviolet LEDs 120, and a wiring for electrically connecting to the external power source may be provided on a surface or inside of the electric connection member, (Not shown) with a power source supplied from an external power transmitter (not shown) using the power receiver (not shown), or a power receiver (not shown) And a structure for supplying power to the LEDs 120 may be provided.

6 and 7 are a conceptual view and a cross-sectional view showing a sterilizing filter including a solid filter unit according to an embodiment of the present invention.

6 and 7, a sterilizing filter 200 according to an embodiment of the present invention may include a solid filter unit 100, a filter case 210, and a filter cover 220.

Since the solid filter unit 100 is described in detail with reference to FIGS. 1 to 5, detailed description thereof will be omitted.

The filter case 210 may include the solid filter unit 100 inserted therein.

7, the filter case 210 is formed on the inner wall of the filter case 210 so that the inserted solid filter unit 100 can be separated from the bottom surface of the filter case 210. [ (212). The latching protrusion 210 may protrude from the inner wall of the filter case 210 with a predetermined length.

Meanwhile, the filter case 210 and the solid filter unit 100 may have spaced spaces therebetween. That is, the filter case 210 may have an inner diameter of a certain region of the inner diameter of the filter case 210 larger than an outer diameter of the solid filter unit 100. This is because a space is formed between the filter case 210 and the solid filter unit 100 and water flowing out from the solid filter 140 of the solid filter unit 100 moves into the spacing space.

The filter case 210 may have an outlet 214 on its bottom surface. The outlet 214 may be a hole through which the protozoan or germ-sanitized water flows out from the solid filter unit 100.

As shown in FIG. 7, the upper end of the filter case 210 preferably has the same inner diameter as the outer diameter of the solid filter unit 100.

This is because the filter case 210 is connected to the filter cover 220 to be described later and is guided to the passageway 142 of the solid filter 140 when water is injected into the filter cover 220 .

The filter cover 220 may include at least one inlet 222. The inlet 222 may be a hole for introducing water into the sterilizing filter 200.

The filter lid 220 may have a protrusion 224 at the center of the filter lid 220 which has more of the inlet 222 in the filter lid 220 and the sterilizing filter 200 ) Can be attached to or detached from other devices.

As shown in FIGS. 6 and 7, the sterilizing filter 200 may include a filter case 210 and a filter cover 220, And a screw thread 226 is provided on an inner certain region of the lower end of the filter lid 220 so that the screw thread 216 of the filter case 210 and the screw thread 226 of the filter lid 220 226, respectively.

The sterilizing filter 200 according to an embodiment of the present invention includes the solid filter unit 100, the filter case 210 and the filter cover 220 and the inlet 222 of the filter case 210 Water is injected into the passageway 142 of the solid filter unit 100 through the solid filter unit 100 and the water passes through the solid filter unit 100 and the filter case 210 And is discharged to the outside through an outlet 214 provided on the bottom surface of the filter case 210. When the water passes through the solid filter 140, protozoan or bacteria can not permeate And is sterilized by ultraviolet rays emitted from the ultraviolet LEDs 120 to obtain sterilized water.

8 is a conceptual diagram illustrating a portable water purification system using an ultraviolet LED according to an embodiment of the present invention.

The sterilization filter 200 described with reference to FIG. 6 and FIG. 7 may be used in various devices. However, in the present embodiment, an example applied to the portable water purification system 300 is shown and described.

8, a portable water purification system 300 using ultraviolet LEDs according to an embodiment of the present invention includes a sterilizing filter 200, a body 310, a body lid 320 and a cradle 330, . ≪ / RTI >

The body 310 has a temporary storage space 312a in which water is temporarily stored and a filter mounting space 312b in which a sterilizing filter 200 is mounted. A filter mounting portion 312 may be provided. The lower part of the body part 310 except for the filter mounting part 312 may have a storage space for storing sterilized water in the sterilization filter 200.

At this time, the inner diameter of the temporary storage space 312a of the filter mounting part 312 is wider than the inner diameter of the filter mounting space 312b, and the inner space of the temporary storage space 312a and the filter mounting space 312b It is preferable that the connection is connected in a shape in which the inner diameter thereof is narrowed so that the whole of the water stored in the temporary storage space 312a can be naturally introduced into the sterilization filter 200 by gravity.

Meanwhile, the body 310 may have a handle 314 on its outer surface.

The body cover 320 covers the body 310 and protects the inside of the body 310 from external environment.

The cradle unit 330 may include a power transmitter (not shown) connected to an external power source and including a coil.

The cradle unit 330 may charge the battery (not shown) provided in the sterilizing filter 200 using the power transmitter (not shown) or may emit the LEDs 120 of the sterilizing filter 200 .

The cradle unit 330 may include a heating unit to heat water stored in the body 310.

Accordingly, the portable water purification system 300 using the ultraviolet LED according to an embodiment of the present invention includes the sterilizing filter 200, the body part 310, the body cover part 320 and the cradle part 330, Water is injected into the temporary storage space 312a inside the body 310 to sterilize the protozoa or bacteria in the sterilization filter 200 and then stored in the body 310. [

At this time, the sterilizing filter 200 includes ultraviolet LEDs 120, and the ultraviolet LEDs 120 emit ultraviolet rays for sterilizing the protozoa or bacteria hung by the solid filter 140.

9 is a conceptual diagram illustrating a portable water purification system using an ultraviolet LED according to another embodiment of the present invention.

The sterilization filter 200 described with reference to FIG. 6 and FIG. 7 may be used in various devices, but an example applied to the portable water purification system 400 will be described and illustrated in the present embodiment.

9, the portable water purification system 400 using an ultraviolet LED may include a sterilizing filter 200 and an external case 410 in another embodiment of the present invention.

The sterilization filter 200 is installed in the outer case 410. One end 412 of the sterilization filter 200 is connected to the faucet 420 and the other end 414 of the sterilization filter 200 has an outlet .

Although not shown in detail in FIG. 9, the case 410 may include a battery (not shown) for supplying power to the sterilizing filter 200, or may be connected to an external power source It is possible to further provide an electric wiring for

The portable water purification system 400 using the ultraviolet LED according to another embodiment of the present invention may include the sterilizing filter 200 and the external case 410 and may be provided at one end 412 of the external case 410, The portable water purification system 400 using the ultraviolet LED according to another embodiment of the present invention can be connected to the faucet 420 for use.

Although the present invention has been described with reference to the above embodiments, the present invention is not limited thereto. It will be apparent to those skilled in the art that modifications and variations may be made without departing from the spirit and scope of the invention, and that such modifications and variations are also contemplated by the present invention.

110: support member 120: ultraviolet LED
130: Protection tube 140: Solid filter
150: cover

Claims (17)

A support member;
A plurality of ultraviolet LEDs mounted on the surface of the support member;
A solid filter having a penetrating passage into which the supporting member is inserted;
A cover coupled to one end of the solid filter to seal the through passage of the solid filter; And
And a protective tube inserted into the through-hole of the solid filter and having a support member on which the ultraviolet LEDs are mounted,
The solid filter has fine pores,
Wherein the solid filter has a spacing space between the penetrating passages and the protective pipe,
Water injected into the spacing space flows out through the solid filter through the outer circumferential surface of the solid filter,
Wherein the plurality of ultraviolet LEDs use an ultraviolet LED for sterilizing water in the penetrating passageway before flowing out through the solid filter.
delete delete delete The portable water purification system according to claim 1, wherein the support member comprises a heat sink formed of a columnar or polygonal column.
The portable water purification system according to claim 5, wherein the support member includes a heat sink having a triangular column, and a PCB substrate is coupled to each of three sides of the heat sink.
A solid filter unit;
A filter case into which the solid filter unit is inserted and having at least one outlet at the bottom; And
A filter cover coupled to the case and having at least one inlet,
The solid filter unit
A support member;
A plurality of ultraviolet LEDs mounted on the surface of the support member;
A solid filter having a penetrating passage into which the supporting member is inserted;
A cover coupled to one end of the solid filter to seal the through passage of the solid filter; And
And a protective tube inserted into the through-hole of the solid filter and having a support member on which the ultraviolet LEDs are mounted,
The solid filter has fine pores,
Wherein the solid filter has a spacing space between the penetrating passages and the protective pipe,
Water injected into the spacing space flows out through the solid filter through the outer circumferential surface of the solid filter,
Wherein the filter case comprises an ultraviolet LED having a latching jaw formed therein for engaging the filter cover of the solid filter unit to separate the at least one outlet from the solid filter unit.
delete delete delete The portable water purification system according to claim 7, wherein an ultraviolet LED having a space is provided between the solid filter unit and the filter case inner wall.
The portable water purification system according to claim 7, wherein the support member includes a heat sink formed of a columnar or polygonal column.
[12] The portable water purification system of claim 12, wherein the support member includes a heat sink having a triangular column, and the PCB substrate is coupled to each of the three sides of the heat sink. The method of claim 7,
Wherein the cover is provided with a support member mounting groove on which the support member is mounted and a protective pipe mounting groove on which the protection tube is mounted.
The method of claim 7,
And a space is provided between the outer peripheral surface of the solid filter and the inner side of the filter case.
The method of claim 7,
A plurality of the latching jaws are formed in the filter case,
Wherein the plurality of latching jaws are spaced apart from each other to form an ultraviolet LED inside the filter case.
The method of claim 7,
The filter cover is formed with a projection at its center,
Wherein the at least one inlet is a plurality,
And a part of the plurality of inflow ports uses an ultraviolet LED formed on the protrusion.

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