KR101931632B1 - Ultraviolet light emitting device and water treatment device comprising it - Google Patents

Abstract

The present invention relates to an ultraviolet light emitting device and a water treatment apparatus including the same. The present invention relates to an ultraviolet light emitting device capable of enhancing an ultraviolet irradiation range and a heat radiation function, and a water treatment apparatus including the same. The ultraviolet light emitting device according to an embodiment of the present invention includes: a hollow pipe-shaped heat sink unit formed of metal; a light source unit including a plurality of UV LEDs arranged in a zigzag pattern at regular intervals on a plurality of virtual peripheral lines equal in outer circumferential surface of the heat sink unit in the longitudinal direction; a quartz tube unit spaced apart from the light source unit; and a refrigerant flow unit made of the hollow space of the heat sink unit and absorbing heat generated in the light source unit by flowing the refrigerant into the hollow space.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultraviolet light emitting device and a water treatment apparatus including the ultraviolet light emitting device,

The present invention relates to an ultraviolet light emitting device and a water treatment apparatus including the ultraviolet light emitting device, and more particularly, to an ultraviolet light emitting device and a water treatment apparatus including the ultraviolet light emitting device.

Generally, a variety of sterilization apparatuses are used in hydroponic facilities, sewage disposal plants, and farms to kill germs present in water.

Among these sterilization apparatuses, the ultraviolet sterilizer is used to sterilize the water such as hydroponic facilities, sewage treatment plants, farms, etc. into an inflow tube equipped with an ultraviolet sterilization lamp, sterilize the sterilized water using an ultraviolet sterilization lamp, Discharge to sewage treatment plant or farm.

The UVC wavelength used for sterilization is a wavelength of 200 to 400 nm and is a wavelength immediately adjacent to the purple end of visible light. It is short invisible light than visible light and damages bacterial cell walls to change cell permeability, colloidal properties of protoplasm , Inhibits enzyme activity, damages cellular DNA and RNA, and kills bacteria.

The presently disclosed ultraviolet light emitting device has a problem that a square area in which ultraviolet light is not irradiated or is weakly irradiated is relatively large and it can not provide sufficient sterilizing power.

Korean Patent No. 10-0924392 (sterilization and purification apparatus using ultraviolet rays with the ultraviolet ray irradiation rectangle removed)

An object of the present invention is to provide an ultraviolet light emitting device capable of improving an ultraviolet irradiation range and a heat radiation function and a water treatment apparatus including the same.

In the ultraviolet light-emitting device according to the embodiment of the present invention,

A heat sink part made of a hollow pipe-shaped metal; A light source unit including a plurality of UV LEDs arranged in a zigzag shape at regular intervals on a plurality of imaginary outline lines equally spaced apart from each other in the longitudinal direction of the heat sink; A quartz tube portion formed apart from the light source portion; And a refrigerant flow portion formed of the hollow space of the heat sink portion and absorbing heat generated in the light source portion by flowing the refrigerant into the hollow space.

In the ultraviolet light emitting device according to the embodiment of the present invention, the heat sink may be a cylindrical pipe having a circular section or a square pipe having a regular polygonal cross section.

In the ultraviolet light emitting device according to the embodiment of the present invention, the heat sink is a square pipe having a regular m square section or a cylindrical pipe, and the plurality of UV LEDs are arranged on the virtual peripheral line , Where m = 2n and n can be 3 or more.

In the ultraviolet light emitting device according to the embodiment of the present invention, the UV LEDs disposed on even-numbered virtual outer lines with respect to the UV LEDs disposed on the odd-numbered virtual outer lines among the plurality of imaginary outer lines, 2n = Y [deg.].

In the water treatment apparatus according to the embodiment of the present invention,

A housing having an inlet through which water to be treated flows from the outside; A light source unit including a plurality of UV LEDs arranged in a zigzag fashion at regular intervals on a plurality of hypothetical outer circumferential lines equal in lengthwise direction on the outer circumferential surface of the heat sink unit; A quartz tube portion spaced apart from the light source portion; and a coolant flow portion formed of a hollow space of the heat sink portion and adapted to absorb the heat generated in the light source portion by flowing the coolant into the hollow space, the ultraviolet light emitting device being formed inside the housing.

In the water treatment apparatus according to the embodiment of the present invention, the lower ends of the heat sink portion and the quartz tube portion are spaced apart from the bottom surface of the housing and can be sealed by a sealing member.

In the water treatment apparatus according to the embodiment of the present invention, the water to be treated flowing into the inlet is sterilized and purified by the ultraviolet light emitting device, absorbs heat generated in the light source while flowing through the refrigerant flow portion, And can be discharged to the outside through the hollow space.

In the water treatment apparatus according to the embodiment of the present invention, the housing further includes an outlet for discharging the water to be treated introduced from the inlet, and the lower end of the heat sink portion and the quartz tube portion is in contact with the bottom surface of the housing .

The water treatment apparatus according to an embodiment of the present invention may further include a connection pipe through which at least a part of the water to be treated flowing out to the outflow port flows to the refrigerant flow portion, The water absorbs the heat generated in the light source part, performs the function of the refrigerant, and can flow out to the outside through the refrigerant flow part.

In the water treatment apparatus according to the embodiment of the present invention, the heat sink may be a cylindrical pipe having a circular section or a square pipe having a regular polygonal cross section.

In the water treatment apparatus according to an embodiment of the present invention, the heat sink may be a square pipe or a cylindrical pipe having a square cross section and a plurality of UV LEDs, M = 2n, and n may be 3 or more.

In the water treatment apparatus according to the embodiment of the present invention, the UV LEDs arranged on the even-numbered virtual outer lines on the basis of the UV LEDs disposed on the odd-numbered virtual outer lines among the plurality of imaginary outer lines are 360 ° ÷ 2n = Y < / RTI >

Other specific embodiments of various aspects of the present invention are included in the detailed description below.

According to the embodiments of the present invention, it is possible to provide an ultraviolet light emitting device capable of enhancing an ultraviolet ray irradiation range and a heat radiation function and a water treatment apparatus including the same.

1 is a perspective view illustrating an ultraviolet light emitting device according to a first embodiment of the present invention.
2 is a plan view of the ultraviolet light emitting device according to the first embodiment of the present invention as viewed in the longitudinal direction.
FIG. 3 is a view showing a part of the outer circumferential surface of the heat sink portion of the ultraviolet light emitting device according to the first embodiment of the present invention.
4 is a diagram illustrating the arrangement and rotation angle of a plurality of UV LEDs for various n values.
FIG. 5 is a diagram schematically showing a range in which ultraviolet rays are irradiated from each UV LED of the ultraviolet light-emitting device according to the first embodiment of the present invention.
Fig. 6 is a view showing an expanded state of the irradiation range of Fig. 5;
FIG. 7 is a graph showing a range in which ultraviolet rays are irradiated when a plurality of UV LEDs are arranged in a side-by-side manner, rather than in a zigzag manner, as a comparative example.
Fig. 8 is a view showing an expanded state of the irradiation range of Fig. 7; Fig.
9 is a plan view showing a water treatment apparatus according to the first embodiment of the present invention.
10 is a cross-sectional view taken along the line A-A 'in FIG.
11 is a plan view showing a water treatment apparatus according to a second embodiment of the present invention.
12 is a cross-sectional view taken along line B-B 'of FIG.
FIG. 13 is a cross-sectional view showing another application example of the water treatment apparatus according to the second embodiment of the present invention.
14 is a perspective view illustrating an ultraviolet light emitting device according to a second embodiment of the present invention.
15 to 17 are perspective views illustrating an application example of the ultraviolet light emitting device according to the second embodiment of the present invention.
18 is a plan view showing a water treatment apparatus according to a second embodiment of the present invention.
19 is a sectional view taken along the line D-D 'in Fig.

The present invention is capable of various modifications and various embodiments and is intended to illustrate and describe the specific embodiments in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present invention, terms such as "comprises" or "having" are used to designate the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof. Hereinafter, an ultraviolet light emitting apparatus and a water treatment apparatus including the same according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view illustrating an ultraviolet light-emitting device according to a first embodiment of the present invention, FIG. 2 is a plan view of the ultraviolet light-emitting device according to the first embodiment of the present invention, 1 is a view showing a part of the outer circumferential surface of a heat sink portion of the ultraviolet light emitting device according to the first embodiment.

1 to 3, the ultraviolet light emitting device 100 according to the first embodiment of the present invention includes a heat sink unit 110, a light source unit 120, a quartz tube unit 130, a refrigerant flow unit 140).

The heat sink unit 110 allows heat generated in the light source unit 120 to be radiated to the outside through the refrigerant flow unit 140. The heat sink part 110 is made of a metal such as aluminum or the like and is formed into a hollow pipe shape having a hollow space at the center. The shape of the heat sink part 110 may be a cylindrical pipe having a circular section or a regular prismatic section having a regular polygonal cross section. For example, the prismatic prismatic pipe may be formed in a square prism shape having a regular hexagonal cross section as shown in Figs. 1 to 3.

The light source 120 may include a plurality of ultraviolet light emitting devices 120a and 120b. The UV LEDs 120a and 120b may have an irradiation angle in a predetermined range. For example, it may have an irradiation angle in the range of 110 to 120 degrees. Each of the UV LEDs 120a and 120b includes a PCB substrate 121 on which a circuit for supplying power is printed and a heat transfer paste 122 for transferring heat generated from the UV LED to the heat sink unit 110. [

The plurality of UV LEDs 120a and 120b are arranged in a zigzag fashion at regular intervals on a plurality of imaginary outline lines C1 and C2 equal in outer circumferential surface of the heat sink portion 110 in the longitudinal direction, (C1, C2). At this time, the heat sink unit 110 may be a regular square pipe having a square cross section or a cylindrical pipe, where m = 2n and n? 3.

The plurality of UV LEDs 120a and 120b are disposed on the plurality of hypothetical outer circumferential lines C1 and C2 in a regular n-angular form, and the UV LEDs 120a disposed on the first outer circumferential line C1 It is preferable that the UV LEDs 120b disposed on the second outermost peripheral line C2 are arranged rotated by an angle of 360 占 2n = Y 占.

For example, as shown in FIGS. 1 to 3, when the end face of the heat sink 110 is regular hexagonal, the plurality of UV LEDs 120a and 120b are arranged in a substantially equilateral triangular shape on virtual peripheral lines C1 and C2 And the UV LEDs 120b disposed on the second outermost peripheral line C2 are arranged to be rotated at an angle of 60 degrees with respect to the UV LEDs 120a disposed on the first outer peripheral line C1.

Further, for example, when the cross section of the heat sink section 110 is regular octagonal, the plurality of UV LEDs 120a and 120b are arranged in a square shape on virtual peripheral lines C1 and C2, The UV LEDs 120b arranged in the line C2 are arranged rotated by an angle of 45 degrees with respect to the UV LEDs 120a arranged on the first outer peripheral line C1.

In FIG. 3, the heat sink unit 110 of the three-dimensional shaped square prism is represented as a two-dimensional plane and not an equilateral triangle, but it is an equilateral triangle when depicted in three dimensions.

FIG. 4 illustrates the arrangement and rotation angle of the plurality of UV LEDs 120a and 120b for various n values.

The quartz tube portion 130 is formed to surround the heat sink portion 110 and the light source portion 120 and an air layer is formed between the heat sink portion 110 and the light source portion 120 and the quartz tube portion 130. The quartz tube part 130 protects the light source part 120 and transmits ultraviolet rays emitted from the light source part 120 to sterilize the object water.

The refrigerant flow portion 140 flows the refrigerant to absorb the heat generated in the light source portion 120. The refrigerant flow portion 140 may be a hollow space of the hollow pipe-shaped heat sink portion 110. The heat generated in the light source unit 120 is transmitted to the heat sink unit 110 and the refrigerant flowing in the refrigerant flow unit 140 absorbs the heat of the heat sink unit 110 to heat the heat sink unit 110 and the light source unit 120 are cooled.

At this time, the refrigerant flowing in the refrigerant flow portion 140 may be a refrigerant separately supplied from the outside. In the process of discharging the sterilized object to be treated by the light source portion 120, the refrigerant flows through the refrigerant flow portion 140 It can act as a refrigerant.

Next, the ultraviolet irradiation range of the ultraviolet light emitting device according to the first embodiment of the present invention will be described with reference to Figs. 5 to 8. Fig.

FIG. 5 is a diagram schematically showing the range of irradiation of ultraviolet rays in each UV LED of the ultraviolet light emitting device according to the first embodiment of the present invention, FIG. 6 is an enlarged view of the irradiation range of FIG. 5 , FIG. 7 is a graph showing a range in which ultraviolet rays are irradiated when a plurality of UV LEDs are arranged in a side-by-side manner, rather than in a zigzag form, as a comparative example, and FIG. 8 is a cross- Respectively.

Each of the UV LEDs 120a and 120b is irradiated in a range of 110 to 120 degrees. In the ultraviolet light emitting device of the present invention, the plurality of UV LEDs 120a and 120b are arranged in a zigzag form at regular intervals on a plurality of imaginary outer peripheral lines C1 and C2 equal in lengthwise direction on the outer peripheral surface of the heat sink portion 110 5, the UV LEDs 120a and 120b are arranged in a staggered arrangement so that the ultraviolet rays are not radiated (see FIG. 6) S1 are formed small in a triangular shape. Here, " not irradiated with ultraviolet ray " means not only irradiated at all, but also means irradiating a relatively small amount of ultraviolet ray.

On the other hand, a plurality of UV LEDs may be arranged in a side-by-side manner instead of in a zigzag form. In this case, the irradiation range as shown in Fig. 7 is obtained. As shown in FIG. 8, the UV LEDs 10a are arranged in a side-by-side manner, and the rectangular region S2, which is not irradiated with ultraviolet rays, is formed in a relatively rhombic shape.

Therefore, in order to improve the ultraviolet ray irradiation range with a limited number of UV LEDs, the plurality of UV LEDs 120a and 120b may include a plurality of imaginary outline lines C1 and C2 ) In a zigzag fashion at equal intervals.

Next, a water treatment apparatus according to the first embodiment of the present invention will be described with reference to FIGS. 9 and 10. FIG. FIG. 9 is a plan view showing a water treatment apparatus according to the first embodiment of the present invention, and FIG. 10 is a sectional view taken along line A-A 'of FIG.

9 and 10, the water treatment apparatus 200a according to the first embodiment of the present invention includes ultraviolet light emitting devices 100: 110 to 140 and a housing 210a.

The ultraviolet light emitting device 100 includes a heat sink unit 110, a light source unit 120, a quartz tube unit 130, and a refrigerant flow unit 140, which are substantially the same as those described above.

The ultraviolet light-emitting device 100 is formed inside the housing 210a. An upper portion of the housing 210a is formed with an inlet 211a for introducing water to be treated from the outside and a bottom surface 213a of the housing 210a has a closed shape. The lower ends of the heat sink portion 110 and the quartz tube portion 130 are spaced apart from the bottom surface 213a of the housing. The lower ends of the heat sink portion 110 and the quartz tube portion 130 are sealed by the sealing member 220. [

The water to be treated which flows into the inlet 211a is sterilized by the ultraviolet light radiated from the ultraviolet light emitting device 100 while flowing in the spiral direction about the ultraviolet light emitting device 100. [ The sterilized water to be treated flows from the bottom surface 213a of the housing to the refrigerant flow portion 140 and flows out to the outside. The number of objects to be treated functions as a refrigerant since the water to be treated flows out of the light source unit 120 while absorbing the heat generated in the heat source unit 110 while flowing through the refrigerant flow unit 140 . Therefore, it is possible to perform the cooling and heat-dissipating functions even if the coolant for cooling the light source unit 120 is not supplied from the outside.

Next, a water treatment apparatus according to a second embodiment of the present invention will be described with reference to FIGS. 11 to 13. FIG. FIG. 11 is a plan view showing a water treatment apparatus according to a second embodiment of the present invention, and FIG. 12 is a sectional view taken along line B-B 'of FIG.

11 and 12, the water treatment apparatus 200b according to the second embodiment of the present invention includes ultraviolet light emitting devices 100: 110 to 140 and a housing 210b.

The ultraviolet light emitting device 100 includes a heat sink unit 110, a light source unit 120, a quartz tube unit 130, and a refrigerant flow unit 140, which are substantially the same as those described above.

The ultraviolet light emitting device 100 is formed inside the housing 210b. An inlet 211b for introducing the water to be treated from the outside is formed in the upper portion of the housing 210b. The bottom surface 213b of the housing 210b has a shape whose center is opened, unlike the first embodiment described above. The lower end of the heat sink portion 110 and the quartz tube portion 130 are formed in contact with the bottom surface 213b of the housing and the housing 210b has an outlet 212 through which the water to be treated flowing from the inlet 211b flows out .

The water to be introduced into the inlet 211b is sterilized by the ultraviolet light emitted from the ultraviolet light emitting device 100 while flowing in the spiral direction about the ultraviolet light emitting device 100. [ The sterilized water to be treated flows out through the outlet 212. The refrigerant supplied from the outside absorbs the heat generated in the light source unit 120 and transferred to the heat sink unit 110 while flowing through the refrigerant flow unit 140.

FIG. 13 is a cross-sectional view showing another application example of the water treatment apparatus according to the second embodiment of the present invention. In this application example, a portion of the sterilized treated water flowing out of the outlet 212 flows into the outlet pipe 212a flowing out to the outside and a connecting pipe (not shown) which introduces a part of the outflowed water to the refrigerant flow portion 140 212b.

At least a part of the water to be treated flowing out of the outlet 212 flows out to the outside while absorbing heat while flowing through the connecting pipe 212b through the refrigerant flow portion 140. Therefore, . Accordingly, even when the refrigerant for cooling the light source unit 120 is not supplied from the outside or a small amount of refrigerant is supplied from the outside, the cooling and heat radiation functions can be performed.

The outlet pipe 212a may be omitted. In this case, all of the water to be treated flowing out of the outlet port 212 may flow out of the refrigerant flow unit 140 through the connection pipe 212b have.

Next, an ultraviolet light emitting device according to a second embodiment of the present invention will be described with reference to FIGS. 14 to 16. FIG. FIG. 14 is a perspective view illustrating an ultraviolet light emitting device according to a second embodiment of the present invention, and FIGS. 15 and 16 are perspective views illustrating an application example of the ultraviolet light emitting device according to the second embodiment of the present invention.

14, the ultraviolet light emitting device 300 according to the second embodiment of the present invention includes a heat sink unit 310, a light source unit 320, and a quartz tube unit 330.

The heat sink unit 310 directly dissipates heat generated in the light source unit 320 by the number of objects to be treated. The heat sink portion 310 is made of a metal such as aluminum. The shape of the heat sink part 310 may be formed in a square column shape having a circular cross section or a regular polygonal cross section.

Meanwhile, as shown in FIG. 15, a sink hole 311 may be formed in the heat sink 310 to increase the contact area with the water to be treated. The sink hole 311 may be formed in the longitudinal direction or the circumferential direction of the heat sink portion 310.

The light source 320 may include a plurality of UV LEDs 320a and 320b. The UV LEDs 320a and 320b may have an irradiation angle in a predetermined range. For example, it may have an irradiation angle in the range of 110 to 120 degrees. Each of the UV LEDs 320a and 320b includes a PCB substrate 321 on which a circuit for supplying power is printed and a heat transfer paste 322 for transferring the heat generated from the UV LED to the heat sink unit 310.

Since the arrangement of the plurality of UV LEDs 320a and 320b is substantially the same as that of the ultraviolet light emitting device 100 according to the first embodiment described above, the description thereof will be omitted.

The quartz tube portion 330 is spaced apart from the light source portion 320 and an air layer is formed between the light source portion 320 and the quartz tube portion 330. The quartz tube part 330 protects the light source part 320 and transmits ultraviolet rays emitted from the light source part 320 to sterilize the object water. The PCB substrate 321 and the heat transfer paste 322 may be formed in a rectangular shape similar to the quartz tube portion 330 for the sake of manufacturing convenience. The quartz tube portion 330 may have a rectangular shape elongated in the longitudinal direction of the heat sink portion 310. have.

14 and 15 illustrate that the quartz tube portion 330 is formed in a rectangular shape elongated in the longitudinal direction of the heat sink portion 310. However, the present invention is not limited thereto, and the quartz tube portion 330, May be formed in the shape of a ring in the circumferential direction of the heat sink portion 310. Also, as shown in FIG. 17, the quartz tube portion 330 may be formed only in the region where the light source 320 is located.

In this embodiment, the heat sink portion 310 is not surrounded by the quartz tube portion 330 but directly contacts the water to be treated to perform the heat radiation function. As a result, unlike the first embodiment described above, no separate refrigerant flow portion is provided. Therefore, the ultraviolet ray irradiation range and the heat radiation function can be improved with a simpler structure.

Next, a water treatment apparatus according to a second embodiment of the present invention will be described with reference to Figs. 18 and 19. Fig. FIG. 18 is a plan view showing a water treatment apparatus according to a second embodiment of the present invention, and FIG. 19 is a sectional view taken along line D-D 'of FIG.

18 and 19, the water treatment apparatus 200c according to the second embodiment of the present invention includes ultraviolet light emitting devices 300: 310 to 330 and a housing 210c.

The ultraviolet light emitting device 300 includes a heat sink unit 310, a light source unit 320 and a quartz tube unit 330 and is substantially the same as the ultraviolet light emitting device according to the second embodiment described above. do.

The ultraviolet light-emitting device 300 is formed inside the housing 210c. An upper portion of the housing 210c is formed with an inlet 211c for introducing the water to be treated from the outside and a bottom surface 213c of the housing 210c has a closed shape. The housing 210c includes an outlet 212c for discharging the water to be treated flowing from the inlet 211c.

The water to be introduced into the inlet 211c is sterilized by the ultraviolet light radiated from the ultraviolet light emitting device 300 while flowing in the spiral direction about the ultraviolet light emitting device 300. The sterilized water to be treated flows out to the outside through the outlet 212c. The object to be processed flows in the spiral direction about the ultraviolet light emitting device 300 and contacts the heat sink part 310 to absorb the heat generated in the light source part 320 and transferred to the heat sink part 310.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, many modifications and changes may be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims. The present invention can be variously modified and changed by those skilled in the art, and it is also within the scope of the present invention.

100, 300: ultraviolet light emitting device
110, 310: Heat sink part
120, and 320:
120a, 120b, 310a, 320b: UV LED
130, 330: quartz tube
140: refrigerant flow portion
200a, 200b, 200c: water treatment device
210a, 210b, 210c:
211a, 211b and 211c:
212, 212c: outlet
212b: connector

Claims (12)

A heat sink part made of a hollow pipe-shaped metal;
A light source unit formed on an outer circumferential surface of the heat sink unit and including a plurality of UV LEDs arranged in a zigzag shape at regular intervals on a plurality of hypothetical outer circumferential lines equally spaced apart from each other in the longitudinal direction of the heat sink unit;
A quartz tube part spaced apart from the heat sink part and the light source part and transmitting ultraviolet rays emitted from the light source part to sterilize the object water;
And a refrigerant flow portion formed of the hollow space of the heat sink portion and adapted to absorb heat generated in the light source portion while flowing to the hollow space after the object to be treated flows around the quartz tube portion and is sterilized by the light source portion,
The heat sink unit includes:
Wherein the plurality of UV LEDs are arranged in a regular n-angular shape on the plurality of imaginary circumferential lines, m = 2n, n is 3 or more,
The UV LEDs disposed on the even-numbered virtual outer lines on the basis of the UV LEDs disposed on the odd-numbered virtual outer lines among the plurality of imaginary outline lines are arranged to be rotated by an angle of 360 占 2n = Y 占Device.
delete delete delete A housing having an inlet through which water to be treated flows from the outside;
A heat sink part formed on the outer circumferential surface of the heat sink part and arranged in a zigzag shape at regular intervals on a plurality of virtual outer circumferential lines equal in lengthwise direction of the outer circumferential surface of the heat sink part, A quartz tube portion which is spaced apart from the heat sink portion and the light source portion and transmits ultraviolet light emitted from the light source portion to sterilize the water to be treated; And a coolant flow part for dissolving heat generated in the light source part while flowing into the hollow space after the object to be treated flows around the quartz tube part and sterilized by the light source part and includes an ultraviolet light emitting device formed inside the housing In addition,
Wherein the heat sink portion is a square prismatic pipe or a cylindrical pipe having a cross section of a regular m square and the plurality of UV LEDs are arranged in a regular n angular shape on the plurality of imaginary circumferential lines, And the UV LEDs arranged on the even-numbered virtual outer lines on the basis of the UV LEDs arranged on the odd-numbered virtual outer lines among the plurality of imaginary outline lines rotate at an angle of 360 占 2n = Y 占And a water treatment device disposed in the water tank.
The method of claim 5,
And the lower ends of the heat sink portion and the quartz tube portion are spaced apart from the bottom surface of the housing and are sealed by a sealing member.
The method of claim 6,
The water to be treated which flows into the inlet is treated by the ultraviolet light emitting device and then flows through the refrigerant flow portion to absorb the heat generated in the light source portion to perform the function of the refrigerant and to flow out to the outside through the hollow space Water treatment device.
The method of claim 5,
The housing further includes an outlet for discharging the water to be treated flowing from the inlet,
And the lower ends of the heat sink portion and the quartz tube portion are formed in contact with the bottom surface of the housing.
The method of claim 8,
And a connection pipe for flowing at least a part of the water to be treated flowing out to the outflow port to the refrigerant flow portion,
Wherein the water to be treated flowing through the refrigerant flow portion through the connection pipe absorbs heat generated in the light source portion and performs the function of the refrigerant and flows out to the outside through the hollow space.
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