EP1779050B1 - Unite d'irradiation - Google Patents

Unite d'irradiation Download PDF

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Publication number
EP1779050B1
EP1779050B1 EP05767850A EP05767850A EP1779050B1 EP 1779050 B1 EP1779050 B1 EP 1779050B1 EP 05767850 A EP05767850 A EP 05767850A EP 05767850 A EP05767850 A EP 05767850A EP 1779050 B1 EP1779050 B1 EP 1779050B1
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EP
European Patent Office
Prior art keywords
profile
reflector
irradiation unit
unit according
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05767850A
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German (de)
English (en)
Other versions
EP1779050A1 (fr
Inventor
Oliver Treichel
Klaus Ebinger
Joachim Jung
Günter Fuchs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IST Metz GmbH
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IST Metz GmbH
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Publication date
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Application filed by IST Metz GmbH filed Critical IST Metz GmbH
Publication of EP1779050A1 publication Critical patent/EP1779050A1/fr
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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources

Definitions

  • the invention relates to an irradiation unit for the UV irradiation of in particular web-shaped substrates with a box-shaped housing, a rod-shaped UV lamp arranged therein and a reflector arrangement extending along the UV lamp.
  • the U.S. Patent 5,444,576 shows an irradiation apparatus, for example, for irradiation of printed circuit boards with a holding plate for a cooling tank to a reflector body for a mercury vapor lamp and a frame as a diaphragm on the underside of the reflector body.
  • the cooling tank is used in a multi-part reflector profile and secured only against lateral falling out.
  • the present invention seeks to improve an aggregate of the type specified in that the disadvantages encountered in the prior art are avoided and a variable use is possible.
  • the reflector arrangement has a carrier profile held in the housing and a reflector profile which is releasably connectable via positive connection surfaces and held in the area of the connection surfaces via screw connections as a connection means in mutual surface contact, formed as a dimensionally stable molded part and thus replaceable.
  • a modular structure is created in a simple manner, which makes it possible to optimally adapt the irradiation profile to the respective process conditions.
  • the use of profiled bodies predefines a defined geometry over the length of the lamp, which can also be adapted at short notice in terms of various parameters such as the chemical formulation of the coating agent to be cured, the still acceptable heat input to the substrate and the irradiation duration or dose can.
  • a plurality of reflector profiles with different reflector geometries and / or surface coatings as a modular system can be selectively connected to the carrier profile, wherein a uniform assembly is ensured by uniform connection surfaces regardless of the reflector geometry.
  • a further improvement provides that the reflector profile and the carrier profile can be brought together via the connecting surfaces in flat leitrome.
  • a simplification of the installation results from the fact that the connecting means can be actuated by the back of the carrier profile facing away from the reflector profile. It is also favorable if the connecting means are accessible from, for example, closable housing flaps from the outside of the housing.
  • a further advantageous embodiment provides that the connecting means seen in the profile direction preferably allow a thermal compensation clearance between reflector profile and carrier profile via a slot bearing.
  • the connecting means are formed by shaft side preferably to stop in the reflector profile and head side preferably supported by spring and / or sliding discs on the support profile bolted.
  • the carrier profile can be acted upon by a cooling, in particular a water cooling with coolant.
  • a cooling in particular a water cooling with coolant.
  • the carrier profile is provided with profile channels for the passage of coolant. This also makes it possible to replace the reflector profiles without interrupting the cooling system in a short time.
  • the reflector profile facing away from its connecting surface with the carrier profile has a curved reflector surface deviating from its contour profile.
  • the bonding surface can therefore be made uniform for a standardized recording, while the reflector surface is selectively adapted to the irradiation conditions.
  • the reflector profile is provided on its side facing the UV lamp profile side with a reflection coating.
  • the reflector profile is formed as a solid body of a solid material.
  • the reflector profile and the carrier profile as extruded profile parts are preferably made of aluminum.
  • a heat conducting, in particular thermal paste is introduced.
  • a carrier profile and an associated reflector profile are arranged in pairs on both sides of a longitudinal center plane of the UV lamp.
  • two reflector profiles, together with associated carrier profiles it is possible for two reflector profiles, together with associated carrier profiles, to be arranged in the housing so as to be pivotable relative to each other about an axis extending in the profile direction.
  • the UV irradiation unit shown in the drawing consists essentially of a box-shaped housing 10, arranged therein a rod-shaped UV lamp 12, a reflector assembly 14 for reflecting the radiated into the housing 10 UV light on a bottom housing opening 16 and an absorber 18 for dissipating heat loss via a cooling device, not shown.
  • the UV lamp 12 is arranged as a double-ended medium-pressure gas discharge lamp in the central longitudinal plane 20 of the housing 10 and emits its radiation via the housing opening 16 to the substrate web guided underneath or to the object to be irradiated.
  • the UV lamp 12 is surrounded in its pointing into the housing interior sector over its length by the reflector assembly 14, wherein the reflected light depending on the reflector geometry divergent, parallel or bundled through the housing opening 16 is radiated. It is also conceivable that different reflection geometries are realized in reflector subregions.
  • the reflector assembly 14 consists of carrier profiles 22 and reflector profiles 24 releasably connected thereto.
  • the carrier and reflector profiles are arranged in pairs on both sides of the longitudinal center plane 20 of the housing 10 or UV lamp 12. wherein the profile direction is parallel to the lamp axis. They consist of massive extruded aluminum parts, so that especially the reflector profiles 24 are formed dimensionally stable as a complex contoured moldings. It is possible to use different reflector profiles 24 in the manner of a modular system. In Fig.1 this is shown for better illustration half of two reflector geometries left and right of the median plane 20, wherein in practice usually the same profile parts are arranged mirror-symmetrically, but in principle asymmetric arrangements are possible.
  • the reflector profiles 24 and carrier profiles 22 can be brought into positive contact with large-area heat-conducting contact via complementary complementary connection surfaces 26, 28.
  • the carrier profiles 22 can be connected via profile channels 30 for the passage of cooling water to the cooling device. In this way it is possible to work with high lamp powers in the range of a few 10 kW.
  • the carrier profile 22 and the reflector profile 24 are held in the region of the connecting surfaces 26, 28 via screw 32 in mutual contact.
  • screw 32 are accessible by housing flaps 34 of the housing outside.
  • the screw 32 are formed by studs 36 which are screwed from the back 38 of the support section 22 forth in the reflector profile 24.
  • the stud bolts 36 are screwed with their stepped threaded shaft 40 to stop in the reflector profile 24.
  • the screw head 42 is supported by disc springs 44 and sliding discs 46 with defined adhesion to the support section 22.
  • the step opening 48 is seen in the profile direction formed as a slot.
  • the reflector surface 50 of the reflector profiles 24 facing the UV lamp 12 can be designed independently of the profile contour of the connection surface 26. Elliptic, parabolic and circular reflector geometries as well as combinations thereof are used. Also conceivable are reflector surfaces 50 with Freilinienformen.
  • the spectral range of the reflected light can be influenced.
  • High-purity aluminum surfaces reflect the entire spectrum, while so-called cold-mirror coatings, depending on the design, only reflect selected spectral bandwidths in the UV range.
  • the heat absorbed in the reflector assembly 14 can be dissipated by the air cooling with suction through the exhaust duct 54 in addition to the water cooling.
  • the UV and IR emission of the gas discharge lamp 12 can not be switched on and off spontaneously for physical reasons. Therefore, it is intended to bring the reflector assembly 14 during startup or interruptions in operation in a standby position in which the housing opening 16 is mechanically sealed against radiation passage.
  • the carrier profiles are movable relative to one another about a pivot axis or axis of rotation running parallel to the profile direction, the IR power being absorbed by the cooled absorber 18. From this position can be changed without significant loss of time by pressing the folding or rotating mechanism in the production mode.
  • a movable reflector and the use of a separate closure system is possible.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Coating Apparatus (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Claims (17)

  1. Unité d'irradiation pour l'irradiation par UV de substrats en particulier sous forme de bande comprenant un boîtier (10) en forme de caisse, une lampe UV (12) en forme de barre et disposée à l'intérieur et un dispositif réflecteur (14) s'étendant le long de la lampe UV (12), caractérisée en ce que le dispositif réflecteur (14) présente un profilé support (22) maintenu dans le boîtier (10) et un profilé réflecteur (24) pouvant être relié à celui-ci de façon amovible par des surfaces de liaison (26, 28) complémentaires au niveau de la forme et maintenu dans la zone des surfaces de liaison au moyen d'assemblages vissés comme moyens de liaison (32) dans un appui de surface réciproque, conçu sous forme de pièce moulée indéformable.
  2. Unité d'irradiation selon la revendication 1, caractérisée en ce que plusieurs profilés réflecteurs (24) présentant différentes géométries de réflecteur et/ou différents revêtements de surface peuvent être reliés sous forme de système de module à volonté avec le profilé support (22).
  3. Unité d'irradiation selon la revendication 1 ou 2, caractérisée en ce que le profilé réflecteur (24) et le profilé support (22) peuvent être amenés l'un avec l'autre dans un contact de conduction de chaleur entre surfaces.
  4. Unité d'irradiation selon l'une des revendications 1 à 3, caractérisée en ce que les moyens de liaison (32) peuvent être actionnés à partir de la face arrière (38), opposée au profilé réflecteur (24), du profilé support (22).
  5. Unité d'irradiation selon l'une des revendications 1 à 4, caractérisée en ce que les moyens de liaison (32) sont accessibles par des clapets de boîtier (34) à partir du côté extérieur du boîtier (10). par exemple verrouillables.
  6. Unité d'irradiation selon l'une des revendications 1 à 5, caractérisée en ce que les moyens de liaison (32) permettent, vus dans le sens du profilé, de préférence au moyen d'un logement à trou oblong (48), un jeu de compensation thermique entre le profilé réflecteur (24) et le profilé support (22).
  7. Unité d'irradiation selon l'une des revendications 1 à 6, caractérisée en ce que les moyens de liaison (32) sont formés par des boulons filetés (36) pouvant être vissés côté tige de préférence jusqu'à la butée dans le profilé réflecteur (24) et soutenus côté sommet de préférence au moyen de rondelles élastiques et/ou de disques coulissants (44, 46) sur le profilé support (22).
  8. Unité d'irradiation selon l'une des revendications 1 à 7, caractérisée en ce que le profilé support (22) peut être sollicité par un refroidissement, en particulier un refroidissement par eau avec réfrigérant.
  9. Unité d'irradiation selon l'une des revendications 1 à 8, caractérisée en ce que le profilés support (22) est doté de conduits de profilé (30) pour le passage de réfrigérant.
  10. Unité d'irradiation selon l'une des revendications 1 à 9, caractérisée en ce que le profilé réflecteur (24) présente une surface de réflecteur (50) incurvée, opposée à sa surface de liaison (26) avec le profilé support (22) et différente de celle-ci en ce qui concerne le tracé de contour.
  11. Unité d'irradiation selon l'une des revendications 1 à 10, caractérisée en ce que le profilé réflecteur (24) est doté d'un revêtement de réflexion (52) sur son côté de profilé tourné vers la lampe UV (12).
  12. Unité d'irradiation selon l'une des revendications 1 à 11, caractérisée en ce que le profilé réflecteur (24) est formé comme un corps massif à base d'un matériau plein.
  13. Unité d'irradiation selon l'une des revendications 1 à 12, caractérisée en ce que le profilé réflecteur (24) et le profilé support (22) sont des parties de profilé extrudé de préférence à base d'aluminium.
  14. Unité d'irradiation selon l'une des revendications 1 à 13, caractérisée en ce que plusieurs profilés réflecteurs (24) sont assemblés côté avant sous forme de branche de profilé.
  15. Unité d'irradiation selon l'une des revendications 1 à 14, caractérisée en ce qu'un moyen conducteur de chaleur, en particulier de la pâte conductrice de chaleur, est introduit entre les surfaces de liaison (26, 28) du profilé réflecteur (24) et du profilé support (22).
  16. Unité d'irradiation selon l'une des revendications 1 à 15, caractérisée en ce que, à chaque fois, un profilé support (22) et un profilé réflecteur (24) associé sont disposés par paires des deux côtés d'un plan médian longitudinal (20) de la lampe UV (12).
  17. Unité d'irradiation selon l'une des revendications 1 à 16, caractérisée en ce que deux profilés réflecteurs (24) sont disposés conjointement avec des profilés supports (22) associés dans le boîtier (10) de façon mobile par basculement les uns par rapport aux autres autour de respectivement un axe agencé dans le sens du profilé.
EP05767850A 2004-08-06 2005-07-19 Unite d'irradiation Active EP1779050B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004038592A DE102004038592A1 (de) 2004-08-06 2004-08-06 Bestrahlungsaggregat
PCT/EP2005/007836 WO2006015694A1 (fr) 2004-08-06 2005-07-19 Unite d'irradiation

Publications (2)

Publication Number Publication Date
EP1779050A1 EP1779050A1 (fr) 2007-05-02
EP1779050B1 true EP1779050B1 (fr) 2012-02-22

Family

ID=35063391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05767850A Active EP1779050B1 (fr) 2004-08-06 2005-07-19 Unite d'irradiation

Country Status (6)

Country Link
US (1) US7858956B2 (fr)
EP (1) EP1779050B1 (fr)
AT (1) ATE546702T1 (fr)
DE (1) DE102004038592A1 (fr)
DK (1) DK1779050T3 (fr)
WO (1) WO2006015694A1 (fr)

Families Citing this family (7)

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US7777198B2 (en) 2005-05-09 2010-08-17 Applied Materials, Inc. Apparatus and method for exposing a substrate to a rotating irradiance pattern of UV radiation
US7692171B2 (en) 2006-03-17 2010-04-06 Andrzei Kaszuba Apparatus and method for exposing a substrate to UV radiation using asymmetric reflectors
US7589336B2 (en) * 2006-03-17 2009-09-15 Applied Materials, Inc. Apparatus and method for exposing a substrate to UV radiation while monitoring deterioration of the UV source and reflectors
DE102006028702B4 (de) * 2006-06-22 2009-06-25 Advanced Photonics Technologies Ag Bestrahlungseinrichtung
WO2011064670A1 (fr) * 2009-11-30 2011-06-03 Scodix, Ltd. Rouleau pinceur présentant une source d'énergie
KR101928348B1 (ko) 2011-04-08 2018-12-12 어플라이드 머티어리얼스, 인코포레이티드 자외선 처리, 화학적 처리, 및 증착을 위한 장치 및 방법
CN110254043B (zh) * 2019-07-22 2021-04-02 郑州都中印务有限公司 一种铝塑复合袋印刷机及铝塑复合袋的印刷方法

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Also Published As

Publication number Publication date
ATE546702T1 (de) 2012-03-15
US20080277600A1 (en) 2008-11-13
EP1779050A1 (fr) 2007-05-02
DE102004038592A1 (de) 2006-03-16
DK1779050T3 (da) 2012-06-18
US7858956B2 (en) 2010-12-28
WO2006015694A1 (fr) 2006-02-16

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