KR20140026169A - Ultra violet cure apparatus with line beam - Google Patents

Ultra violet cure apparatus with line beam Download PDF

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Publication number
KR20140026169A
KR20140026169A KR1020120093217A KR20120093217A KR20140026169A KR 20140026169 A KR20140026169 A KR 20140026169A KR 1020120093217 A KR1020120093217 A KR 1020120093217A KR 20120093217 A KR20120093217 A KR 20120093217A KR 20140026169 A KR20140026169 A KR 20140026169A
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South Korea
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module
leds
optical unit
present
optical
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KR1020120093217A
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Korean (ko)
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송중석
홍성한
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(주)옵토하이텍
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Priority to KR1020120093217A priority Critical patent/KR20140026169A/en
Publication of KR20140026169A publication Critical patent/KR20140026169A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K5/00—Irradiation devices
    • G21K5/04—Irradiation devices with beam-forming means

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Led Device Packages (AREA)

Abstract

The present invention relates to an ultraviolet curing apparatus. More specifically, the technical object of the present invention is to provide an ultraviolet curing apparatus using light emitting diodes (LEDs) in which two kinds of LEDs having different wavelengths are arranged to face each other at a predetermined angle. To this end, an ultra-violet curing apparatus using LEDs according to the present invention includes: a first module having a first surface on which an optical part in which the LEDs are arranged is mounted; a second module having a first surface on which an optical part in which the LEDs are arranged is mounted; a connection unit connecting the first module to the second module so that the first surface of the first module and the first surface of the second module are disposed at a predetermined angle; and a cover covering the first module, the second module, and the connection unit, and having an output surface on which light emitted from the optical part of the first module overlaps with light emitted from the optical part of the second module, wherein a rectangular through-hole is defined in the output surface according to the shape of the output light. The LEDs arranged in the optical part of the first module and the LEDs arranged in the optical part of the second module emit light having wavelengths different from each other.

Description

Line Beam Ultraviolet Curing Machine {ULTRA VIOLET CURE APPARATUS WITH LINE BEAM}

TECHNICAL FIELD The present invention relates to an ultraviolet curing machine, and more particularly, to an ultraviolet curing machine having a line beam using an LED.

Ultraviolet paints are increasingly used due to their environmental friendliness, economical efficiency, workability, productivity, and energy savings. The ultraviolet paint has a feature of ultraviolet (UV) curable material. That is, the ultraviolet ray paint means a material which undergoes a photochemical reaction by the energy of ultraviolet rays (100 to 400 nm) and cures from a liquid phase to a solid phase. The ultraviolet ray paint has characteristics that the reaction time and physical properties of the coating film are changed depending on the relationship with the ultraviolet ray curing machine. Such UV paints and UV curing machines are widely used not only for the production of large furniture and flooring materials, but also for the production of home appliances such as semiconductors and mobile phones.

On the other hand, the conventional ultraviolet curing machine generally uses a lamp. Many users of such lamp-type UV curing machines have many problems such as thermal deformation, reduced productivity, increased tack time, reduced quality, and poor adhesion. These problems are as follows.

First, when the optical coating with a thin PET or PVC film using a conventional ultraviolet curing machine, there are an increasing number of companies that suffer from many problems due to heat deformation. That is, in the conventional lamp type ultraviolet (UV) curing machine, when the ultraviolet lamp (UV lamp) is turned on, not only ultraviolet (UV) but also a lot of heat is emitted. Since the internal temperature of the UV lamp is as high as 4500 degrees, the heat from the lamp is very strong. The heat transfer at this time is conduction, convection, and radiant heat, which causes the temperature of the product to rise rapidly. The temperature rise of the product varies depending on the number of lamp kW, the number of lamps, the speed of the conveyor, and the material of the product.However, since the internal temperature of the lamp is higher than 4500 ° C, the product passing under the lamp must receive heat unconditionally. When heated, there are bound to be various types of defects.

Second, the conventional ultraviolet curing machine is used to cure the ultraviolet paint using only ultraviolet light having one wavelength. However, among the ultraviolet paint, the contact portion in contact with the product and the portion except the contact portion may have different curing characteristics. Therefore, when curing the UV paint using a conventional UV curing machine having only one wavelength, the degree of curing at each part may be different, in particular, the curing at the contact portion between the UV paint and the product may be poor. have.

The present invention has been proposed to solve the above problems, and provides a line beam UV curing machine using LEDs, in which two kinds of light emitting diodes (LEDs) having different wavelengths are arranged to face each other at a predetermined angle. It is technical problem to do.

UV curing machine using the LED according to the present invention for achieving the above technical problem, the optical unit, the LED is arranged, the first module is mounted on the first surface; An optical unit in which the LEDs are arranged, the second module mounted on the first surface; A connection part for connecting the first module and the second module such that the first surface of the first module and the first surface of the second module have a constant angle; And an output surface covering the first module, the second module, and the connection part, and overlapping the light emitted from the optical part of the first module and the optical part of the second module. And a cover having a rectangular through hole, wherein the LEDs arranged in the optical part of the first module and the LEDs arranged in the optical part of the second module generate light having different wavelengths. The LEDs arranged in the optical section of one module have a wavelength of 365 nm, and the LEDs arranged in the optical section of the second module have a wavelength of 385 nm or 405 nm.

The present invention can solve problems such as heat deformation, reduced productivity, and reduced quality, which have been generated in the conventional ultraviolet curing machine.

The present invention by applying asymmetric aspherical lens to implement the composite wavelength (365nm, 385nm, 405nm), it can be applied to medium or large conveyor type curing equipment.

The present invention is to reduce the manufacturing cost and simplify the equipment by changing the light source of the industrial curing medium (coating, curing, etc.) or UV curing machine used for the curing of industrial products to ultraviolet light emitting diodes (UV LED), thereby simplifying the conveyor, Applicable to the type of medium curing device.

In addition, the present invention is applied to the heat deformation and temperature sensitive optical film manufacturing process such as PP, PE, PVC, PET, optical film in the industry using a UV curing machine, bringing the effect of cost reduction and facility simplification.

1 is an exemplary view showing a state of use of the ultraviolet curing machine using the LED according to the present invention.
Figure 2 is a perspective view showing the configuration of the ultraviolet curing machine using the LED according to the present invention.
Figure 3 is an exemplary view showing a first embodiment of the optical unit applied to the ultraviolet curing machine using the LED according to the present invention.
4 is an exemplary view showing the side of a symmetric aspherical lens applied to the optical unit shown in FIG.
Figure 5 is a side view showing the configuration of the ultraviolet curing machine using the LED according to the present invention.

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

1 is an exemplary view showing a state of use of the ultraviolet curing machine using the LED according to the present invention, Figure 2 is a perspective view showing the configuration of the ultraviolet curing machine using the LED according to the present invention, Figure 3 using the LED according to the present invention 4 is an exemplary view illustrating a first embodiment of an optical unit applied to an ultraviolet curing machine, and FIG. 4 is an exemplary view showing a side surface of a symmetric aspherical lens applied to the optical unit illustrated in FIG. 3, and FIG. 5 is an LED according to the present invention. It is a side view which showed the structure of the used ultraviolet curing machine.

The line beam ultraviolet curing machine (hereinafter, simply referred to as an 'ultraviolet curing machine') 10 using the LED according to the present invention, as shown in FIG. 1, ultraviolet light is applied to the surface of the product 20 to which the ultraviolet paint is applied. As shown in FIG. 2, as shown in FIG. 2, the optical unit 120, in which the LEDs are arranged, has the first module 110 mounted on the first surface, and the LEDs are arranged. The first module and the first optical member 220 are provided such that the second module 200 mounted on the first surface, the first surface of the first module and the first surface of the second module have a constant angle. The connection part 300 for connecting the two modules and the first module, the second module, and the connection part are covered, and the light emitted from the optical part of the first module and the optical part of the second module overlaps. A rectangular through hole 410 is formed in the output surface along the form in which the light is output. Including a cover 400, LEDs arranged in the optical unit of the first module and LEDs arranged in the optical unit of the second module is characterized in that for generating light of different wavelengths.

First, as shown in FIG. 2, the first module 100 or the second module 200 is mounted on the case 110 and 210 of the rectangular shape having the first surface and the first surface. The optical unit 120 and 220 are included.

The cases 110 and 210 may be configured in various forms, but the first surface is preferably formed in a plane, and preferably has a hexagonal shape as a whole.

An air-cooled radiator 231 may be formed on a second surface of the cases 110 and 210 opposite to the first surface. Such an air-cooled radiator may be integrally formed with the case, as shown in FIG. 2. Meanwhile, an air-cooled radiator may be formed on the second surface of the case 110 of the first module.

Water-cooled radiators 132 and 232 may be formed in a space between the first and second surfaces of the cases 110 and 210 along a long direction in which the LEDs are mounted in a line. The water-cooled radiator is formed in a tubular shape through which a cool refrigerant can flow, and may be formed to penetrate the inside of the cases 110 and 210, as shown in FIG. 2.

As described above, each of the cases 110 and 210 may include at least one of an air-cooled radiator 231 and a water-cooled radiator 132 and 232. The air-cooled radiator and the water-cooled radiator are collectively referred to as a radiator 230.

The optical units 120 and 220 perform a function of generating ultraviolet rays for curing the ultraviolet paint. The optical units 120 and 130 may be configured in various forms.

As a first example, the optical unit 120, 220 is mounted on the first surface of the case, as shown in Figure 3, the substrate (PCB) 121 is mounted in a row with the LEDs 122 And a lens unit 125 covering the upper ends of the LEDs. Here, the lens unit 125 may be composed of a cylinder lens 124 and an asymmetric aspheric lens 123, as shown in FIG. 4.

That is, in the optical parts 120 and 220 according to the first example, an asymmetric aspherical lens 123 is positioned on an upper end of each of the LEDs 122 mounted in a line on the substrate 121, and an asymmetric aspherical lens 123 is provided. The cylinder lens 124 is formed long in the form of a cylinder at the top of the field. Meanwhile, a through hole 410 formed in the cover 400 is disposed at the upper end of the cylinder lens 124.

As described above, the optical unit 120 constituting the first module 100 and the optical unit 220 constituting the second module 200 are configured as the first example as illustrated in FIGS. 3 and 4. Can be. As another method, the optical unit 120 constituting the first module 100 is configured in the form of a first example consisting of a cylinder lens 124 and an asymmetric aspherical lens 123.

Meanwhile, the LEDs constituting the first module 100 and the LEDs constituting the second module 200 are formed to have different wavelengths.

For example, the LEDs arranged in the optical unit 120 of the first module 100 may have a wavelength of 365 nm. In this case, the LEDs arranged in the optical unit 220 of the second module 200 may have a wavelength of 385 nm or 405 nm.

Therefore, the first module 100 may be composed of LEDs having a wavelength of 365 nm, and the second module 200 may be composed of LEDs having a wavelength of 385 nm. In addition, the first module 100 may be composed of LEDs having a wavelength of 365 nm, and the second module 200 may be composed of LEDs having a wavelength of 405 nm. That is, the present invention is characterized in that the wavelength of the LED provided in the first module and the second module are different.

However, the wavelength of the LED applied to the present invention is not limited to the wavelength as described above. That is, the wavelength of the LEDs provided in the first module and the second module may be changed in various ways depending on the characteristics of the ultraviolet paint and the degree of curing.

Lastly, as described above, the connection part 300 is for connecting the first module 100 and the second module 200. In this case, the first surface of the first module and the first surface of the second module are connected. 8 is fixed inside the cover 400 in a state of forming a constant angle as shown in FIG.

For example, the first module 100 or the optical unit 120 constituting the first module and the second module 200 (or the optical unit 220 constituting the second module) are illustrated in FIG. 8. As described above, the connection part 300 may be fixed to the connection part 300 in a state having any one angle of 28 degrees to 35 degrees, respectively. That is, the angle a and the angle b shown in FIG. 8 may be any one of 28 degrees to 35 degrees.

In detail, each of the first surface of the first module (surface of the optical unit 120) and the first surface of the second module (surface of the optical unit 220) may be perpendicular to the output surface. It is connected to the connection portion 300 in a state inclined to each other to have an angle between the surface and 55 degrees to 62 degrees. That is, if a virtual straight line is drawn in a direction perpendicular to the plane formed by the through hole 410 in FIG. 8, the first module and the second module may be 55 degrees (90 degrees to 35 degrees) to the virtual straight line. It will have any angle between 62 degrees (90 degrees-28 degrees).

The reason why the first module and the second module are configured as described above is to increase the intensity of light by collecting the ultraviolet rays emitted from the respective optical units. That is, the present invention, by arranging the first module and the second module in the inclined state as described above, the light emitted from the LEDs on the curing target surface (surface of the product) disposed at the focal length of the LEDs mounted on each module Can be collected in the form of a beam to generate very high irradiation intensity.

That is, the present invention is characterized in that the two wavelengths emitted from the two modules are inclined at a constant angle so that the two wavelengths can be collected at the focal length point where the light intensity is the highest.

Because of this, the present invention can have a curing time within a very short time, for example within 5 seconds, and thus can cure the desired irradiation area for a short time. That is, as the light is collected as described above, the irradiation intensity of the ultraviolet light is increased, thereby, the curing time of the cured product is shortened quickly, and the production efficiency can be improved.

In addition, as shown in Figure 5, the UV curing machine according to the present invention is configured to enable a uniform line-shaped beam irradiation by arranging a pair of LED modules in a row so as to be controlled as a unit by a control controller, respectively Half the price of conventional UV curing heads and 200mw / cm 2 light intensity Above, BEAM UNIFORMITY more than 80%, irradiation area is 5mm * 500mm or more, the curing time can be exhibited within 5 seconds.

On the other hand, the control controller, by controlling the drive of the optical unit, performs a function to allow the present invention to cure the ultraviolet paint applied to the product.

The following summarizes the features of the present invention as described above.

First, briefly summarize the features of the present invention.

The present invention relates to an ultraviolet curing machine using LED, which is capable of implementing complex wavelengths for curing, and emits ultraviolet rays by using LED, and configures a cylinder 124 and an asymmetric aspheric lens 123 to optimize photocuring efficiency. Can be.

In the conventional ultraviolet curing machine, the wavelength used for curing is a single wavelength, or a whole wavelength band not involved in curing is irradiated to generate heat or to be incompatible with a resin or an adhesive. However, the present invention greatly improves the conventional uncured problems and heat dissipation by implementing dual wavelengths (365 nm, 385 nm) or (365 nm, 405 nm). Through this, the present invention can increase the production efficiency of the cured product, it is possible to improve the construction and cost reduction of the environment-friendly production line.

Second, the present invention provides an effect that can solve problems such as heat deformation, productivity decrease, quality deterioration that occurred in the conventional ultraviolet curing machine.

That is, while the conventional UV curing machine of the UV lamp type generates a lot of heat, the present invention does not generate heat at all. In addition, since the present invention is 5-50 times stronger in UV intensity, the number of UV curing machines required to cure the same product can be reduced. Since the UV intensity is more than 10 times stronger and the number of curing devices (the same concept as the number of UV lamps) is reduced, there is almost no heat transferred to the product, and all the problems generated in the conventional UV curing machine can be solved. That is, not only the thermal deformation problem, but also most problems with the technique of UV curing can be solved by the present invention.

Third, the advantages of the present invention are as follows.

5 and 6 by applying the asymmetric aspheric lens 226, by implementing a composite wavelength (365nm, 385nm, 405nm), it can be applied to medium or large conveyor type curing equipment.

The present invention not only compensates for the shortcomings of the conventional UV Lamp, but also solves the problems of UV LED curing machine products which are currently commonly used. That is, since the ultraviolet light-emitting diode (UV LED) curing machine currently generally used hardens a product using only a single wavelength, such as 365 nm or 385 nm, in many cases, it is not compatible with resin or an adhesive agent. However, since the present invention implements dual wavelengths (365 nm, 385 nm) or (365 nm, 405 nm), the problem of not being cured as in the prior art can be solved.

The present invention is composed of an optical cylinder lens and an asymmetric aspherical lens, it is possible to efficiently collect the UV energy or to make a beam of the desired shape.

The present invention is excellent in heat dissipation effect by the air-cooled and water-cooled integrated heat dissipation structure.

The present invention is 50% cheaper in terms of price than the conventional UV LED curing machine, the light irradiation intensity is 200mw / ㎠ or more, the beam uniformity is 80% or more (uniformity), the irradiation area is 10mm x 500mm Above, the curing time may be within 5 seconds.

Fourth, the utilization of the present invention is as follows.

The present invention is to reduce the manufacturing cost and simplify the equipment by changing the light source of the industrial curing medium (coating, curing, etc.) or UV curing machine used for the curing of industrial products to ultraviolet light emitting diodes (UV LED), thereby simplifying the conveyor, It can be applied to the type of medium curing device.

In the case of heat deformation and temperature sensitive optical film manufacturing process such as PP, PE, PVC, PET, optical film, and lowering by only 1 ° C determines product quality and productivity, the UV curing machine according to the present invention is applied to such a manufacturing process. Can be.

In addition, the present invention is applicable to medical DNA and protein UV analysis equipment.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: first module 200: second module
300: connection

Claims (3)

An optical unit in which LEDs are arranged, the first module mounted on a first surface;
An optical unit in which the LEDs are arranged, the second module mounted on the first surface;
A connection part for connecting the first module and the second module such that the first surface of the first module and the first surface of the second module have a constant angle; And
The first module, the second module, and the connection part are covered, and the light output from the optical part of the first module and the light emitted from the optical part of the second module overlaps with each other. A cover having a rectangular through hole formed therein;
The LEDs arranged in the optical unit of the first module and the LEDs arranged in the optical unit of the second module generate light of different wavelengths,
The LEDs arranged in the optical unit of the first module have a wavelength of 365 nm,
And the LEDs arranged in the optical unit of the second module have a wavelength of 385 nm or 405 nm. The method of claim 1,
The first module or the second module,
A rectangular case having the first surface; And the optical unit mounted to the first surface,
The optical unit,
A substrate mounted on the first surface and having the LEDs mounted in a row; And a lens part covering an upper end of the LEDs,
The lens unit of the first module is composed of a cylindrical lens and a symmetric aspherical lens, and the lens unit of the second module is composed of an asymmetric aspherical lens to generate uniform beam-type irradiation light on the surface of the object to be cured. Line beam ultraviolet curing machine, characterized in that. The method of claim 1,
Each of the first surface of the first module and the first surface of the second module are inclined with each other to have an angle between 55 degrees and 62 degrees with a surface perpendicular to the output surface. A line beam ultraviolet light curing machine, characterized in that the lens unit of the basic unit is arranged in a row and configured to irradiate the composite wavelength in the form of a line beam.
KR1020120093217A 2012-08-24 2012-08-24 Ultra violet cure apparatus with line beam KR20140026169A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101475279B1 (en) * 2014-05-13 2014-12-22 김희환 ultraviolet rays light emitting diode curing apparatus
KR20220029923A (en) 2020-09-02 2022-03-10 이광석 Uv curing apparatus
WO2022092799A1 (en) * 2020-10-27 2022-05-05 서울바이오시스주식회사 Light source module and air conditioning apparatus comprising light source module
KR20230033375A (en) * 2021-09-01 2023-03-08 에이피시스템 주식회사 Ultraviolet curing apparatus, bending protect layer forming system and method for ultraviolet curing
KR20230060204A (en) * 2021-10-27 2023-05-04 주식회사 지엠지 High Power SPOT type UV curring optical apparatus with Compact structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101475279B1 (en) * 2014-05-13 2014-12-22 김희환 ultraviolet rays light emitting diode curing apparatus
KR20220029923A (en) 2020-09-02 2022-03-10 이광석 Uv curing apparatus
WO2022092799A1 (en) * 2020-10-27 2022-05-05 서울바이오시스주식회사 Light source module and air conditioning apparatus comprising light source module
KR20230033375A (en) * 2021-09-01 2023-03-08 에이피시스템 주식회사 Ultraviolet curing apparatus, bending protect layer forming system and method for ultraviolet curing
KR20230060204A (en) * 2021-10-27 2023-05-04 주식회사 지엠지 High Power SPOT type UV curring optical apparatus with Compact structure

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