KR20010077346A - Heat Drying System utilizing Far Infrared Rays - Google Patents
Heat Drying System utilizing Far Infrared Rays Download PDFInfo
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- KR20010077346A KR20010077346A KR1020000005091A KR20000005091A KR20010077346A KR 20010077346 A KR20010077346 A KR 20010077346A KR 1020000005091 A KR1020000005091 A KR 1020000005091A KR 20000005091 A KR20000005091 A KR 20000005091A KR 20010077346 A KR20010077346 A KR 20010077346A
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- South Korea
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- input device
- heat treatment
- treatment chamber
- conveyor belt
- thermal treatment
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- 238000001035 drying Methods 0.000 title claims description 11
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000004809 Teflon Substances 0.000 claims abstract description 4
- 229920006362 Teflon® Polymers 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 52
- 239000000463 material Substances 0.000 claims 1
- 230000002950 deficient Effects 0.000 abstract description 4
- 238000007669 thermal treatment Methods 0.000 abstract 6
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
본 발명은 원적외선 열처리 건조 시스템에 관한 것으로, 보다 상세하게는 LCD 입력장치 제조 공정중 입력장치의 어셈블리 후 열처리 및 건조시키는 시스템을 개선하여 제품의 성능을 향상시키고 불량율을 제거, 방지하는 입력장치 원적외선 열처리 건조 시스템에 관한 것이다.The present invention relates to a far-infrared heat treatment drying system, and more particularly, an input device far-infrared heat treatment which improves the performance of a product and removes and prevents defective rate by improving a system for heat treatment and drying after assembly of an input device during an LCD input device manufacturing process. It relates to a drying system.
지금까지 알려진 입력장치는 보통 디지타이저와 터치 패널의 두 가지로 구분되며, 상기 입력 장치는 글라스기판 상에 ITO로써 X-Y 전극패턴을 형성하고, 그 상부에 도전성 플라스틱 필름을 형성한 것이며, 펜이나 손에 의해 상기 플라스틱 필름이 가압되어 미소 전압이 변화되게 함으로써 그 시그널을 디지탈화하여 컴퓨터로 입력하게 된다. 본 발명에서 입력장치로 사용되는 터치 패널은 펜이나 손에 의해 검광자가 눌려지고, 그 힘으로 도전필름이 눌려져 X-Y 전극패턴과 접촉됨에 의해, X-Y 전극패턴의 전압 차를 검출하는 정전용량 방식에 의해 시그널을 발생시키게 된다.The input devices known to date are generally divided into two types, a digitizer and a touch panel. The input device is formed by forming an XY electrode pattern as ITO on a glass substrate, and forming a conductive plastic film on the upper surface thereof. As a result, the plastic film is pressed to cause the micro voltage to change, thereby digitalizing the signal and inputting the signal to the computer. The touch panel used as an input device in the present invention is a capacitive method of detecting the voltage difference between the XY electrode pattern by pressing the analyzer by the pen or the hand and pressing the conductive film with the force to contact the XY electrode pattern. Will generate a signal.
상기와 같은 입력 장치는 제조 공정 중 제품 어셈블리 후 열처리 공정을 통해 열처리한 후 냉각시켜 제품의 신뢰성을 향상시키는 바, 이와 같은 마지막 공정에서 불량율을 저감시키는 것은 상당히 중요하다고 할 수 있다.The input device is heat-treated after the heat treatment process after the product assembly in the manufacturing process and then cooled to improve the reliability of the product, it can be said that it is very important to reduce the defective rate in this last process.
도 2에 종래의 입력 장치를 열처리하는 오븐을 개략적으로 도시한다.2 schematically shows an oven for heat treating a conventional input device.
도면에서 보면, 열처리 오븐(2)은 직육면체의 상자 형식으로 전면의 도어(4)를 열고 내부에 터치 패널이나 디지타이저와 같은 입력장치(6)을 내장시킨 후 열처리 오븐 내측의 열선이나 가열 램프에 의해 열처리를 하는 구조로 이루어진다. 열처리 오븐(2)에 터치 패널을 내장할 경우 3-5장 이상을 적층시켜 내장하고 일거에 열처리시킨다.As shown in the figure, the heat treatment oven 2 opens the front door 4 in the form of a rectangular box, embeds an input device 6 such as a touch panel or a digitizer therein, and then, by a heating wire or a heating lamp inside the heat treatment oven. It is made of a structure for heat treatment. When the touch panel is embedded in the heat treatment oven 2, 3-5 sheets or more are stacked and heat-treated at once.
터치 패널이 상기 열처리 오븐에서 열처리 과정을 거치고 나면 5분 동안 상온에서 방치하여 자연 냉각되도록 함으로써 경화과정이 진행되도록 한다.After the touch panel undergoes a heat treatment process in the heat treatment oven, the curing process is performed by allowing the touch panel to cool naturally by leaving it at room temperature for 5 minutes.
그러나 상기와 같은 종래의 방법을 적용하면 열처리 과정에서 글래스와 필름과의 열팽창율 차이에 의해 필름에 굴곡이 발생하여 외관이 불량해질 수 있다. 이는 전체적으로 형성된다기 보다는 오븐의 특성상 적층되어 있는 터치 패널이 균일하게 열처리가 되지 못하여 일부 제품에서 발생되는 경향이 있으며, 소위 ‘뉴턴 링’이라 부르는 얼룩 형태의 반점이 발생하여 외관 품질 특성을 저해하는 요인이 된다. 또한 열처리 후 서냉을 시키게 되면 외관의 변형이 일어날 가능성이 높아지는 문제점이 있다.However, if the conventional method described above is applied, bending may occur in the film due to a difference in thermal expansion between the glass and the film in the heat treatment process, thereby deteriorating the appearance. Rather than being formed as a whole, this tends to occur in some products due to the nature of the oven that the laminated touch panels are not heat treated uniformly, and spots in the form of so-called 'Newton Rings' occur to hinder appearance quality characteristics. Becomes In addition, if the slow cooling after heat treatment has a problem that the possibility of deformation of the appearance increases.
본 발명은 앞서 설명한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서 원적외선에 의하여 입력장치를 열처리 하고, 상기 열처리된 입력장치를 급속히 냉각시켜 입력장치의 외관 및 품질을 향상시킬 수 있는 원적외선 열처리 건조 시스템을 제공함을 그 목적으로 한다.The present invention has been made in order to solve the problems of the prior art described above, a far-infrared heat treatment drying system that can heat-treat an input device by far-infrared rays and rapidly cool the heat-treated input device to improve the appearance and quality of the input device. The purpose is to provide.
이를 위하여 본 발명은 원적외선 램프가 내측 측벽 또는 상부에 배치되고 입구와 출구가 개방된 열처리실과, 상기 열처리실의 입,출구로 통과하는 컨베이어 벨트와, 상기 열처리실의 출구부에 위치하면서 급속 냉동 장치가 설치된 냉각부를 포함하고, 입력 장치를 컨베이어 벨트에 안착시켜 열처리실을 통과 ,이송하면서 상기 원적외선 램프에서 방출되는 원적외선에 의하여 열처리하고 냉각부에 의해 급속 냉각되는 구성으로 이루어 진다.To this end, the present invention is a heat-treatment chamber having a far-infrared lamp disposed on the inner sidewall or the top, and the inlet and the outlet are open, a conveyor belt passing through the inlet and the outlet of the heat treatment chamber, and a quick freezing apparatus located at the outlet of the heat treatment chamber. It comprises a cooling unit is installed, the input device is seated on the conveyor belt while passing through the heat treatment chamber, the heat treatment by the far-infrared rays emitted from the far-infrared lamp is configured to be rapidly cooled by the cooling unit.
상기 원적외선에 의해 터치 패널이 열처리되는 구간의 온도는 약 200℃이고, 냉각부에서 약 35℃를 하강시킬 수 있다.The temperature at which the touch panel is heat-treated by the far infrared ray is about 200 ° C., and may be lowered by about 35 ° C. at the cooling unit.
상기 컨베이어 벨트는 내열성이 강한 테플론 메시 벨트를 채용함이 바람직하다.It is preferable that the conveyor belt adopts a heat resistant Teflon mesh belt.
본 발명에 의한 입력 장치 원적외선 열처리 건조 시스템은 입력 장치를 원적외선에 의해 열처리하고 급속 냉각함으로써, 제작 공정 중 발생한 이물질 등을 효과적으로 입력장치의 오염이 적고, 균일한 가열을 할 수 있으며 품질 신뢰성이 향상되고 자동화 공정이므로 생산성을 증대할 수 있다.The input device far-infrared heat treatment drying system according to the present invention heat-treats the input device by far-infrared rays and rapidly cools the input device so that foreign substances, etc. generated during the manufacturing process are effectively contaminated, the heating of the input device can be made less uniformly, and the quality reliability is improved. The automated process can increase productivity.
도 1 은 본 발명에 의한 원적외선 열처리 건조 시스템을 도시한 사시도.1 is a perspective view showing a far-infrared heat treatment drying system according to the present invention.
도 2 는 종래 입력장치를 열처리하던 열처리 오븐을 도시한 사시도.Figure 2 is a perspective view showing a heat treatment oven heat treatment the conventional input device.
* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
2: 열처리 오븐 4: 오븐 도어2: heat treatment oven 4: oven door
6: 입력장치 20: 열처리실6: input device 20: heat treatment chamber
22: 원적외선 램프 30: 컨베이어 벨트22: far infrared lamp 30: conveyor belt
40: 냉각부40: cooling unit
본 발명의 구성에 대하여 첨부한 도면에 의거하여 보다 상세하게 설명한다. 참고로 설명의 중복을 피하기 위하여 종래 도면과 일치하는 부분에 대해서는 종래 도면 부호를 그대로 인용하기로 한다.EMBODIMENT OF THE INVENTION The structure of this invention is demonstrated in detail based on attached drawing. For reference, in order to avoid duplication of description, the same reference numerals as those of the conventional drawings will be referred to.
도 1은 본 발명에 의한 원적외선 열처리 건조 시스템을 도시한 사시도이다.1 is a perspective view showing a far-infrared heat treatment drying system according to the present invention.
도면에서 보면, 도면의 중앙에 전면과 후면이 개방된 직육면체 형태의 열처리실(20)이 구성되어 있고, 상기 열처리실의 내부 측면이나 상면에 원적외선을 방사하는 원적외선 램프(22)가 구비되어 있다. 원적외선은 일종의 눈에 보이지 않는 전자파로서, 태양광선으로부터 방사되는 파장 0.76∼1,000㎛에 속하는 빛으로, 이 원적외선을 이용한 열처리 장치는 입력장치 패널의 오염이 전혀없고, 종래의 가열 시스템에서 발생하는 균일하지 못한 가열을 지양할 수 있는 효과가 있다.In the figure, a heat treatment chamber 20 in the form of a rectangular parallelepiped having an open front and a back in the center of the drawing is configured, and a far infrared lamp 22 radiating far infrared rays to an inner side or an upper surface of the heat treatment chamber. Far infrared rays are a kind of invisible electromagnetic waves, which are wavelengths from 0.76 to 1,000 µm emitted from sunlight. The heat treatment apparatus using this far infrared is free from contamination of the input device panel and is not uniform in conventional heating systems. There is an effect that can prevent poor heating.
상기 열처리실(20)은 구간 길이가 약 3m로 제작하며, 터치 패널이 통과하면서 충분히 열처리가 될 수 있도록 한다.The heat treatment chamber 20 has a section length of about 3 m, and allows the touch panel to be sufficiently heat treated as it passes.
상기 원적외선 열처리실의 내부로 컨베이어 벨트(30)가 지나가는 바 상기 컨베이어 벨트는 터치 패널이나 디지타이저와 같은 입력장치(6)을 이송하기 위한 수단으로 쓰인다. 상기 컨베이어 벨트(30)는 폭이 0.5m 이상으로 폭방향으로 레인을 형성하여 제품을 5개 이상 적치하여 열처리가 가능하도록 한다. 상기 컨베이어 벨트(30)는 테프론으로 구성하고 메시 벨트를 채용한다.The conveyor belt 30 passes through the inside of the far-infrared heat treatment chamber, and the conveyor belt is used as a means for transferring an input device 6 such as a touch panel or a digitizer. The conveyor belt 30 has a width of more than 0.5m to form a lane in the width direction to accumulate five or more products to enable heat treatment. The conveyor belt 30 is composed of Teflon and employs a mesh belt.
상기 컨베이어 벨트(30)의 이송 속도는 50∼60㎝/min로서 열처리실(20)에서 터치 패널(6)이 5∼6분 동안 열처리가 가능하도록 한다. 컨베이어 벨트(30)의 이동 속도는 작업 여건 및 품질 신뢰도에 따라 조절이 가능하도록 한다.The conveying speed of the conveyor belt 30 is 50 to 60 cm / min so that the touch panel 6 can be heat treated for 5 to 6 minutes in the heat treatment chamber 20. The moving speed of the conveyor belt 30 can be adjusted according to the working conditions and the quality reliability.
열처리실(20)의 후단부에는 냉각부(40)가 설치되어 있으며 열처리실(20)을 통과한 터치 패널(6)을 급속히 냉각시킨다. 원적외선 램프(22)에 의해 가열되는 열처리실(20)의 내부 온도가 약 200℃인데 열처리실에서 나온 터치 패널(6)을 35℃까지 급속히 냉각시킨다.The cooling unit 40 is installed at the rear end of the heat treatment chamber 20, and rapidly cools the touch panel 6 that has passed through the heat treatment chamber 20. Although the internal temperature of the heat treatment chamber 20 heated by the far-infrared lamp 22 is about 200 ° C, the touch panel 6 from the heat treatment chamber is rapidly cooled to 35 ° C.
상기와 같이 상승된 온도를 급속히 냉각시킬 수록 외관 품질이 좋아지게 되고 불량품 발생율이 적다.As the temperature is rapidly cooled as described above, appearance quality is improved and defect rate is less.
상술한 구조로 이루어진 입력 장치 원적외선 열처리 건조 시스템의 작동 과정을 설명하면 다음과 같다.Referring to the operation of the input device far-infrared heat treatment drying system having the above-described structure is as follows.
글라스, ITO 도전막 및 필름이 조립, 완료된 터치 패널을 작업자가 컨베이어 벨트 위에 안착시킨다. 컨베이어 벨트에는 레인이 형성되어 있는 데 터치 패널을 5열 이상으로 안착시킬 수 있도록 철부()로 구분되어 있어 터치 패널을 올려 놓기 쉽도록 되어 있다.The operator places the touch panel on which the glass, ITO conductive film and film are assembled and completed on the conveyor belt. There are lanes on the conveyor belt. It is divided into) and it is easy to put the touch panel.
안착된 터치 패널은 컨베이어 벨트의 구동에 의해 자동으로 열처리실로 이동하게 되고 열처리실의 내측면에 구비된 원적외선 램프에서 방사되는 원적외선에 의해 열처리가 되기 시작한다. 열처리실의 구간 길이는 약 3M이고 컨베이어 벨트의 이동 속도는 약 50∼60㎝로서 5∼6분간 원적외선에 의한 열처리가 되도록 한다.The seated touch panel is automatically moved to the heat treatment chamber by driving the conveyor belt, and starts to be heat treated by the far infrared rays emitted from the far infrared lamp provided on the inner surface of the heat treatment chamber. The length of the section of the heat treatment chamber is about 3M and the moving speed of the conveyor belt is about 50 to 60 cm so that it can be heat treated by far infrared rays for 5 to 6 minutes.
열처리가 끝난 후 열처리실의 후단부를 통과한 터치 패널은 냉각부를 지나치게 된다. 상기 냉각부에는 급속 냉동장치가 설치되어 단시간에 터치 패널의 온도를 하강시킨다. 즉 열처리된 터치 패널의 온도는 약 200℃이며 냉각부에 의해 냉각된 터치 패널의 온도는 대략 35℃로 강온되는 것이다.After the heat treatment is finished, the touch panel that has passed through the rear end of the heat treatment chamber is excessively cooled. The cooling unit is provided with a quick freezing apparatus to lower the temperature of the touch panel in a short time. That is, the temperature of the heat treated touch panel is about 200 ° C., and the temperature of the touch panel cooled by the cooling unit is lowered to about 35 ° C.
냉각부에 의해 냉각된 터치 패널은 출구로 빠져 나오게 되고 제품 이송용 번베이어 벨트에 의해 이송된다.The touch panel cooled by the cooling unit exits to the outlet and is conveyed by the burner belt for product transfer.
상기와 같이 열처리에 의한 과정이 전부 자동화되어 작업 능률이 향상되고, 불량품의 발생이 저감되어 생산성을 향상시키게 된다.As described above, the process by the heat treatment is fully automated, thereby improving work efficiency, and reducing the occurrence of defective products, thereby improving productivity.
상술한 구성의 본 발명은 다음과 같은 효과를 나타낸다.The present invention of the above-described configuration has the following effects.
원적외선에 의해 입력 장치를 열처리 하고, 냉각부로 급속히 냉각시키며 컨베이어 벨트에 의해 공정을 자동화함으로서, 균일하게 전면을 열처리하여 불량 발생율을 줄이고 품질 신뢰성을 향상할 수 있다.By heat-treating the input device by far-infrared, rapid cooling by the cooling unit and automating the process by the conveyor belt, uniformly heat-treat the entire surface to reduce the occurrence rate of defects and improve the quality reliability.
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| KR1020000005091A KR100669671B1 (en) | 2000-02-02 | 2000-02-02 | Heat Drying System utilizing Far Infrared Rays |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100452134B1 (en) * | 2002-10-02 | 2004-10-14 | 이광석 | The short drying machine of a printed matter |
| KR100741975B1 (en) * | 2005-08-25 | 2007-07-23 | 삼성에스디아이 주식회사 | Heat treatment equipment and method for heat treatment the smae |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4833301B1 (en) * | 1984-01-18 | 2000-04-04 | Vitronics Corp | Multi-zone thermal process system utilizing non-focused infrared panel emitters |
| KR890006066Y1 (en) * | 1986-07-31 | 1989-09-11 | 김상섭 | Hot-water heater |
| JP2974619B2 (en) * | 1996-09-05 | 1999-11-10 | 株式会社ノリタケカンパニーリミテド | Method and apparatus for drying large substrates |
| JPH1157580A (en) * | 1997-08-25 | 1999-03-02 | Tooku Syst Kk | Dryer unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100452134B1 (en) * | 2002-10-02 | 2004-10-14 | 이광석 | The short drying machine of a printed matter |
| KR100741975B1 (en) * | 2005-08-25 | 2007-07-23 | 삼성에스디아이 주식회사 | Heat treatment equipment and method for heat treatment the smae |
| US7862334B2 (en) | 2005-08-25 | 2011-01-04 | Samsung Mobile Display Co., Ltd. | Heat treatment apparatus and heat treatment method using the same |
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