KR102403158B1 - Uv curing apparatus - Google Patents

Abstract

In one embodiment of the present invention, a curing module irradiating ultraviolet rays to harden a curing object, one surface is coupled to the curing module, and air flowing in from a first area of the other surface passes through the inside, and the second surface of the second surface is An air circulation module that forms an air circulation path so as to flow out through the first area, an air inlet formed in the first area of the other surface to inject the incoming air, is formed in the second area of the other surface and passes through the inside It provides an ultraviolet curing device including an air outlet for discharging one air to the outside.

Description

UV curing device {UV CURING APPARATUS}

The present invention relates to an ultraviolet curing apparatus, and more particularly, to an ultraviolet curing apparatus used for manufacturing a display device.

Recently, the wearable device market is gradually growing, and major products include smart glasses, smart watches, fitness bands, wearable robots, and the like. Among them, the product that occupies the largest market is a smart watch, and various smart watch manufacturers are currently releasing various types of smart watches.

Since a smart watch has a touch screen type display unit like a smart phone, a process of adhering a glass panel or a touch screen panel (hereinafter, 'panel') is required during manufacturing. In general, when bonding panels, UV resin is applied and then UV resin is irradiated through a UV curing device to harden the UV resin to bond the panel. The process of forming a dam to prevent it from going through a temporary hardening process first.

Types of UV curing devices include area type, line type, spot type, etc. In the case of a smart phone or smart watch with a rectangular body, line type UV curing devices A temporary curing process is performed in combination, and then the main curing process is performed using an area-type UV curing device. As a prior document on a line-type UV curing device, there is Korean Patent Application Laid-Open No. 10-2014-0026169.

However, in the case of a smart watch having a circular body, there is a limit to performing a temporary curing process with the existing line-type UV curing device for bonding circular panels. A spot-type UV curing device can be used, but in this case, a number of UV curing devices are required, and in order to uniformly irradiate UV rays and improve curing quality, an additional process is required in which each LED module is uniformly arranged in a circle did

Korean Patent Publication No. 10-2014-0026169 (2014.03.05.)

The technical problem to be achieved by the present invention is to improve curing quality by uniformly irradiating UV rays in the process of bonding panels.

In addition, in the ultraviolet curing device in which the LED elements are arranged in a circle, the heat generated from the LED element is efficiently discharged through the shape and arrangement of the air circulation path, the air inlet, and the air outlet, thereby increasing the luminous efficiency of the LED element and extending the lifespan. It is to provide an ultraviolet curing device that can do this.

The technical problems to be achieved by the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned can be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. There will be.

In order to achieve the above technical object, an embodiment of the present invention provides a curing module irradiating ultraviolet rays to harden a curing object, one surface is coupled to the curing module, and air flowing from a first area on the other surface is internal An air circulation module for forming an air circulation path so as to pass through and outflow to the outside through the first area of the other surface, an air inlet formed in the first area of the other surface to inject the incoming air, and the second surface of the second surface It provides an ultraviolet curing device including an air outlet formed in the second region to discharge the air that has passed through the interior to the outside.

In an embodiment of the present invention, the air circulation module is formed on one side of the air circulation module belonging to the first area, the air injected through the air inlet may include a diffusion inducing part for spreading and delivering to the inside can

In an embodiment of the present invention, in the diffusion inducing unit, a plurality of diffusion holes through which the injected air may pass may be formed on the front surface in order to diffuse and transmit the air injected through the air inlet to the inside. .

In an embodiment of the present invention, the air circulation module further includes a heat dissipation fin including a plurality of heat transfer elements formed in a longitudinal direction from one side of the diffusion inducing part to the second region, and is injected through the air inlet. After passing through the diffusion holes of the diffusion inducing unit, the air may flow out through the air outlet located in the second region through a flow path formed between the heating elements.

In an embodiment of the present invention, the air circulation module is formed on both sides, and includes a fastening hole that can be fastened to the air inlet and the air outlet, and an air circulation module cover that covers an upper portion of the air circulation module It further includes, and the air inlet and the air outlet may be inserted into and coupled to the fastening hole using a pneumatic fitting method.

In an embodiment of the present invention, fastening holes for fastening with the curing module may be formed on one surface of the air circulation module.

In an embodiment of the present invention, The curing module includes a glass, a UV LED unit for irradiating ultraviolet rays toward the curing target, a main reflector for guiding the ultraviolet rays irradiated from the UV LED unit toward the glass, and ultraviolet rays irradiated to the side It may include a side reflector to reflect the reflected ultraviolet rays toward the glass.

In an embodiment of the present invention, the upper surface of the air inlet and the air outlet to form a through-hole to be exposed, and may further include a cover case covering the air circulation module.

According to an embodiment of the present invention, curing quality can be improved by uniformly irradiating UV rays in the process of bonding panels.

In addition, in the ultraviolet curing device in which the LED elements are arranged in a circle, the heat generated from the LED element is efficiently discharged through the shape and arrangement of the air circulation path, the air inlet, and the air outlet, thereby increasing the luminous efficiency of the LED element and extending the lifespan. can do it

It should be understood that the effects of the present invention are not limited to the above-described effects, and include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 is an exploded perspective view showing an ultraviolet curing device according to an embodiment of the present invention.
2 is a perspective view showing an ultraviolet curing device according to an embodiment of the present invention.
Figure 3 is a perspective view showing an air circulation module according to an embodiment of the present invention.
Figure 4 is a perspective view showing an air circulation module according to another embodiment of the present invention.
5 is a view showing a cross-section of the first region to explain the structure of the first region according to an embodiment of the present invention.
6 is a cross-sectional view of a first area according to another embodiment of the present invention.
7 is a view showing a cross-section of a second area according to an embodiment of the present invention.
8 is a view showing a lower surface of the air circulation module according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in several different forms, and thus is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be “connected (connected, contacted, coupled)” with another part, it is not only “directly connected” but also “indirectly connected” with another member interposed therebetween. "Including cases where In addition, when a part "includes" a certain component, this means that other components may be further provided without excluding other components unless otherwise stated.

The terminology used herein is used only to describe specific embodiments, and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

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

Figure 1 is an exploded perspective view showing an ultraviolet curing device according to an embodiment of the present invention, Figure 2 is a perspective view showing an ultraviolet curing device according to an embodiment of the present invention.

The UV curing device 10 according to an embodiment of the present invention may include an air circulation module 200 , an air inlet 300 , an air outlet 400 , and a curing module. As a more specific embodiment, as shown in FIG. 1 , the cover case 100 , the air circulation module 200 , the air inlet 300 , the air outlet 400 , the UV LED unit 500 , and the main reflector 600 . ), a glass 700 , a side reflector 800 , and a glass cover 900 may be included. Here, the UV LED unit 500 , the main reflection plate 600 , the glass 700 , the side reflection plate 800 , and the glass cover 900 may be of a configuration included in the curing module.

As shown in FIG. 2, the cover case 100 according to an embodiment of the present invention forms through-holes 110 and 130 through which the air inlet 300 and the air outlet 400 can be exposed, and air circulation. It serves as a case for covering the module 200 .

2, the air inlet 300 and the air outlet 400 of the present invention are provided in plurality and may be arranged on both sides of the air circulation module 200, and the arranged plurality of air inlets 300 and air The outlets 400 may be bolted to both sides of the air circulation module 200 in a partially inserted form.

In more detail, the cover case 100 according to the present embodiment includes a first through hole 110 that can expose a plurality of air inlets 300 on both sides, and a plurality of air outlets 400 . It may be configured to include a second through hole 130 that can be exposed.

1 and 2, the shapes of the first 110 and the second through-holes 130 are illustrated as being elongated oval, but the shape of the through-holes is not limited thereto, and the plurality of air inlets 300 or Any shape can be implemented as long as the size and shape of the through hole through which the plurality of air outlets 400 can be exposed to the outside can be realized.

The air circulation module 200 of the present invention may be formed of a plurality of heat transfer bodies (heat transfer plates) having excellent thermal conductivity. Since the air circulation module 200 is installed close to or in close contact with the rear surface of the UV LED unit 500 , the cold air injected through the air inlet 300 is heat-dissipating fins 250 located at the top of the UV LED unit 500 . ) and flowing out through the air outlet 400 , it is possible to effectively cool the UV LED unit 500 . For example, the air circulation module 200 of the present invention may be a pneumatic heat sink.

One side of the air circulation module 200 of the present invention is coupled to the curing modules 500 to 900, and the air flowing in from the first area of the other side passes through the inside and flows out through the first area of the other side to the outside. An air circulation path may be formed. For example, one surface of the air circulation module 200 may be a lower surface, and the other surface may be an upper surface of the air circulation module 200 .

Hereinafter, the air circulation module 200, the air inlet 300, and the air outlet 400 of the present invention will be described in more detail with reference to FIGS. 3 and 7 below.

Figure 3 is a perspective view showing an air circulation module according to an embodiment of the present invention, Figure 4 is a perspective view showing an air circulation module according to another embodiment of the present invention.

The air circulation module 200 according to the present embodiment may include a housing 210 , an air circulation module cover 230 , a heat dissipation fin 250 , and a diffusion induction unit 270 . And, in this embodiment, one side of the upper surface of the air circulation module 200 is referred to as a first area 201 , and the other side of the upper surface is referred to as a second area 203 .

The air circulation module cover 230 may cover an upper portion of the air circulation module.

Referring to FIG. 3 , the plurality of air inlets 300 of the present invention may be arranged in the first region 201 of the air circulation module 200 , and the air outlets 400 are the air circulation module 200 . may be arranged in the second region 203 of More specifically, the air inlets 300 and the air outlets 400 are the upper surface of the air circulation module cover 230 belonging to the first area 201 and the second area 203 of the air circulation module 200 . It is inserted through a plurality of fastening holes 231 formed on both sides of the , and may be provided in a bolted form.

4, (a) is a view showing the air circulation module 200 in a state without the air circulation module cover 230, Figure 4 (b) is the air circulation module cover 230 It is a view showing the air circulation module 200 in a covered state.

As shown in Figure 4 (a), the inside of the air circulation module cover 230 of the present invention is formed in the longitudinal direction from one side (first area) to the other side (second area) of the air circulation module 200 A heat dissipation fin 250 including a plurality of heat transfer bodies may be formed.

The heat dissipation fin 250 of the present invention may be formed in a heat dissipation structure for discharging heat generated from the UV LED unit 500 .

5 is a view showing a cross-section of the first region to explain the structure of the first region according to an embodiment of the present invention. Referring to FIG. 5 , the air inlets 300 are arranged to be inserted into the air circulation module cover 230 of the first region 201 , and spread to the side of the housing 210 of the air circulation module 200 . An induction part 270 may be disposed.

The diffusion inducing part 270 according to the embodiment of the present invention is formed on one side of the air circulation module 200 belonging to the first region 201, and the air injected through the air inlet 300 is supplied to the heat dissipation fin ( 250) can be diffused.

As shown in FIG. 5 , the diffusion inducing unit 270 according to the present embodiment allows air to pass through the front in order to deliver the air injected through the air inlet 300 to the heat dissipation fin 250 therein. A plurality of diffusion holes may be formed.

The diffusion holes according to an embodiment of the present invention may not be formed to be biased toward one side in the area of one side of the air circulation module 200, but may be formed in a form distributed throughout the area on one side.

For example, the diffusion hole of the present invention is preferably implemented as a hole having a diameter of 2.5 to 10 mm, and does not cover at least 1/3 of the total area of the diffusion induction part 270 formed on one side area of the air diffusion module 200 . It is better to be implemented with the diameter size and arrangement spacing of the diffusion holes.

In FIG. 5, which is an embodiment, it is assumed that the diffusion hole of the present invention is circular, but the present invention is not limited thereto, and the diffusion hole may be implemented as a hole of various shapes such as a triangle or a polygon.

The diffusion inducing part 270 may be disposed inside the air inlet 300 . That is, since the diffusion inducing part 270 is disposed inside the position where the air inlets 300 are disposed, the air injected into the upper part of the air inlet 300 from the outside flows out to the lower part of the air inlet 300 and the outflow Air can be introduced into the diffusion inducing part 270 in the region of the lower side of the air inlet 300 .

In this way, the air introduced through between the diffusion holes of the diffusion induction unit 270 may pass through the heat dissipation fins 250 as shown in FIG. 4 and flow out through the air outlets 400 as shown in FIG. 5 . . More specifically, the air injected through the air inlets 300 passes through the diffusion holes of the diffusion induction unit 270, and then passes through the flow path formed between the heat transfer elements of the heat dissipation fin 250 to the air circulation module ( The air may be discharged to the outside through the air outlets 400 located in the second region 203 of the 200 .

The air outlet 400 according to the embodiment of the present invention is formed in the second region of the air circulation module 200, and may be inserted and fastened to the fastening hole 231 formed in the air circulation module cover 230 to be disposed. The air outlet 400 of the present invention may be provided in plurality, similarly to the air inlet 300 , and may be implemented in an arranged form as shown in FIG. 5 .

The air inlets 300 and the air outlets 400 of the present invention according to an embodiment are implemented as fasteners of a pneumatic fitting (fitting) type, respectively, the fastening holes 231 formed in the air circulation module cover 230 It can be inserted into and coupled to.

FIG. 5 referenced in the above description shows a cross-section at the point where the air inlet 300 is disposed, and FIG. 6 is a cross-section at the point inside the point where the air inlet 300 and the diffusion inducing part 270 are located. As illustrated, in this drawing, a cross-section of the heat dissipation fin 250 in the first area is shown.

As shown in FIG. 6, in the heat dissipation fin 250 of the present invention, a plurality of heat transfer elements are disposed to be spaced apart from each other in the height direction of the air circulation module 200, so that air can pass between the heat transfer elements. is formed

The cold air injected through the air inlets 300 and passed through the diffusion inducing part 270 passes through the flow path of the heat dissipation fin 250 as shown in FIG. 6 , and is positioned adjacent to the lower surface of the air circulation module 200 . It is possible to cool the UV LED unit 500.

That is, when cold air compressed through the air inlets 300 enters through the fitting, heat generated from the UV LED unit 500 located on the lower surface of the air circulation module 200 is conducted to the air circulation module 200 and , the injected cold air comes out through the air outlet 400 with the heat conducted in this way.

The UV curing device 10 of the present invention as described above has the advantage of efficiently and rapidly discharging the heat generated from the large-area UV LED unit 500 to the outside.

7 is a cross-sectional view of the second region 203 according to an embodiment of the present invention. Since only the first area 201, which is an area into which air is injected, is disposed in the diffusion inducing unit 270 of the present invention, the heat dissipation fins 250 and the air outlet 400 are located in the second area 203, as shown in FIG. ) can be formed.

Referring to FIG. 7 , the air passing through the flow path of the heat dissipation fin 250 passes through the air outlets 400 positioned at the upper end of one side of the heat dissipation fin 250 and flows out to the outside.

At this time, the air outlet 400, like the air inlet 300, is disposed outside the point of one end of the heat dissipation fin 250, so that air can exit the heat dissipation fin 250 and enter the upper part. can be

8 is a view showing a lower surface of the air circulation module according to an embodiment of the present invention.

The lower surface of the air circulation module 200 according to this embodiment may be coupled to the UV LED unit 500 of the curing module, and accordingly, the lower surface of the air circulation module 200 is as shown in FIG. 8 (a). Similarly, fastening holes 211 capable of being fastened to the UV LED unit 500 may be formed.

Figure 8 (b) is a view showing the UV LED unit fastened to the lower surface of the air circulation module 200 through the fastening holes (211). For example, the UV LED unit 500 of the present invention may be screw-coupled to the lower surface of the air circulation module 200, and the lower surface of the air circulation module 200 is prior to screwing with the UV LED unit 500, thermal conductivity It may be provided in a state in which grease is applied.

The UV LED unit 500 according to an embodiment of the present invention is located under the air circulation module 200 , and may emit ultraviolet rays in a downward direction of the air circulation module 200 .

For example, the UV LED unit 500 of the present invention may be composed of an LED substrate and an LED mounted on the LED substrate. Various circuits for driving control of the LED and various electronic components (eg, various resistors or capacitors) required for driving control of the LED may be disposed on the LED substrate.

Reference is again made to FIG. 1 .

As shown in FIG. 1, the main reflection plate 600 is positioned under the UV LED unit 500 as described above. The main reflection plate 600 according to the present embodiment may condense the light generated from the UV LED unit 500 and transmit it to the curing target.

In addition, the glass 700 under the main reflection plate 600 may be positioned below the UV LED unit 500 so that the UV LED unit 500 transmits the ultraviolet rays. In addition, the glass 700 of the present invention serves to protect the UV LED unit (500).

And, the side reflection plate 800 of the present invention is a component that reflects the ultraviolet rays irradiated from the UV LED unit 500 to the side of the ultraviolet curing device 10, and the reflected ultraviolet rays are directed toward the glass 700, Although the side reflection plate 800 is illustrated as being below the glass 700 in FIG. 1 which is an embodiment, the side reflection plate 800 according to another embodiment of the present invention may be implemented as being located above the glass 700. have.

In addition, the glass cover 900 may cover the glass by being positioned at the lowermost end of the UV curing device 10 . Referring to FIG. 2 , the cover case 100 may serve as an upper case of the UV curing device 10 , and the glass cover 900 may serve as a lower case of the UV curing device 10 .

The description of the present invention described above is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

10: UV curing device
100: cover case
200: air circulation module
300: air inlet
400: air outlet
500: UV LED unit
600: reflector
700: glass
800: side reflector
900: glass cover

Claims (8)

A curing module that irradiates ultraviolet rays to harden the object to be cured;
An air circulation module having one surface coupled to the curing module and forming an air circulation path so that air flowing in from a first area of the other surface passes through the inside and flows out through the first area of the other surface to the outside;
an air inlet located in a first area of the other surface, formed in a vertical direction with respect to the other surface, and injecting air introduced therein;
But located in the second area of the other surface, including an air outlet formed in a vertical direction with respect to the other surface to discharge the air that has passed through the interior to the outside,
The air circulation module,
a diffusion inducing part formed on one side of the air circulation module belonging to the first area to spread and deliver the air injected through the air inlet to the inside;
Further comprising a heat dissipation fin including a plurality of heat transfer elements formed in the longitudinal direction from one side of the diffusion inducing part to the second region,
The diffusion inducing unit, in order to diffuse and deliver the air injected through the air inlet to the inside, a plurality of diffusion holes through which the injected air can pass are formed on the front side,
As the diffusion inducing part is disposed inside the air inlet, the air injected from the top to the bottom forms the air circulation path in the vertical direction to pass through the diffusion holes, and then to the flow path formed between the heat transfer elements. UV curing device, characterized in that it flows out through the air outlet.
delete delete delete According to claim 1,
The air circulation module,
An air circulation module cover formed on both sides, comprising a fastening hole that can be fastened to the air inlet and the air outlet, and further comprising an air circulation module cover that covers an upper portion of the air circulation module,
The air inlet and the air outlet are inserted into and coupled to the fastening hole using a pneumatic fitting method.
According to claim 1,
UV curing device, characterized in that fastening holes for fastening with the curing module are formed on one surface of the air circulation module.
According to claim 1,
The curing module,
glass and
A UV LED unit that irradiates ultraviolet rays toward the curing target;
a main reflector for guiding the ultraviolet rays irradiated from the UV LED unit toward the glass;
UV curing device, characterized in that it includes a side reflector to reflect the ultraviolet rays irradiated to the side, the reflected ultraviolet rays toward the glass.
According to claim 1,
UV curing device, characterized in that it further comprises a cover case which forms a through-hole to which the air inlet and the air outlet can be exposed on the upper surface, and covers the air circulation module.

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