EP2029270B1 - Irradiation device - Google Patents
Irradiation device Download PDFInfo
- Publication number
- EP2029270B1 EP2029270B1 EP07725318A EP07725318A EP2029270B1 EP 2029270 B1 EP2029270 B1 EP 2029270B1 EP 07725318 A EP07725318 A EP 07725318A EP 07725318 A EP07725318 A EP 07725318A EP 2029270 B1 EP2029270 B1 EP 2029270B1
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- EP
- European Patent Office
- Prior art keywords
- irradiating device
- radiator
- radiators
- reflectors
- main
- 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.)
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims 15
- 238000009423 ventilation Methods 0.000 claims 2
- 230000005855 radiation Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0033—Heating devices using lamps
- H05B3/0071—Heating devices using lamps for domestic applications
- H05B3/008—Heating devices using lamps for domestic applications for heating of inner spaces
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/032—Heaters specially adapted for heating by radiation heating
Definitions
- the invention relates to an irradiation device according to the preamble of claim 1.
- an irradiation arrangement for carrying out processes of the above-mentioned type comprising a cooled main reflector carrying elongated halogen lamps and separate side reflectors arranged laterally therefrom. These are arranged, in particular, substantially perpendicular to the plane spanned by the center axes of the halogen lamps on the main reflector.
- a radiation source with elongated halogen lamps known, whose ends are bent towards the glass body and made thickened or compacted.
- the lamp ends are associated with cooling means for heat dissipation, which are to provide a steep T gradient between the bent portions of the glass body and the adjacent electrical terminals.
- a compressed air flow channel is provided for cooling with arranged near the ends of the glass body of the lamps outlet openings for cooling.
- An air-cooled irradiation arrangement which comprises a reflector provided on the back with cooling fins and a specially designed duct arrangement for supplying cooling air supplied by a blower to the back of the reflector.
- the invention is therefore based on the object of providing an improved irradiation device, which is characterized by a cost-effective and maintenance-friendly design and is easily adaptable to various applications.
- the invention includes the essential idea to provide a lightweight construction irradiation device with a correspondingly very low thermal mass and thus low thermal inertia, deliberately departing from previously prevailing development lines. It also includes the idea of producing at least the most important reflector parts made of sheet metal, which is brought into the required shape in a cost-saving manner by means of simple machining operations (folding, possibly bending). Finally, the invention also includes the idea of producing the main reflector sections assigned to the individual radiators as separate modules and fixing them in a holder or a housing of the irradiation device in an easily replaceable manner.
- This feature combination not only enables cost-effective production of the most important plant components, but also their easy installation and - if necessary - disassembly and replacement or simply removal, to realize a reduced-power plant, according to specific user requirements.
- the lightweight design of cost-effective starting materials allows significant material cost savings and also easier handling of the reflectors and possibly other parts of the system.
- the invention includes the idea to achieve increased flexibility in adapting to different user requirements and operating conditions by a modular structure of the irradiation device.
- the invention further includes the idea of providing a separate radiator mounting part and at least one air cooler part-but preferably different air cooler parts-and, if necessary, connecting them to one another.
- the main reflectors have a length substantially corresponding to the length of a rectilinear section of the radiators and base sections of the radiators are arranged beyond the ends of the main reflectors in the radiator housing.
- the main reflectors are fastened by means of a latching or clamping connection in the radiator housing, which is in particular solvable without tools.
- Simple gripping of the main reflectors and execution of simple hand movements is sufficient for insertion of the main reflectors in the radiator housing and for removal from this, so that about thermally over-stressed or soiled reflectors can be easily and safely replaced by less qualified personnel.
- a visually satisfying and at the same time particularly cost-effective embodiment of the irradiation device can be realized in that the main reflectors have the shape of a groove inscribed in a cuboid, in particular with W or V profile.
- This shape can be realized by simply folding a thin metal sheet (especially an aluminum sheet with at least one side high-quality surface).
- a further preferred embodiment is characterized in that the radiators laterally offset with respect to the line of its longitudinal extent and perpendicular to this line extending base sections and the base sections Endreflektorabitese are assigned. These are separated from the main reflectors and in particular for a plurality of radiators together by made of sheet metal curved and / or folded and mounted in the radiator housing separately from the main reflectors end reflectors formed. These can be manufactured inexpensively by simple Abkantvor réelle made of sheet metal (Al sheet), in a form adapted to the special optical conditions at the lamp ends shape.
- the emitters are designed as NIR emitters (or possibly also as UV emitters) with a radiator body bent over towards the base section, this looks so that the end reflectors have a trough shape with different height and height adapted thereto Have or differently inclined reflector walls.
- second cooling air passages for cooling the radiator ends are formed in the end reflectors.
- the radiator ends require particular attention during cooling, because they are subject to particularly high thermal stresses and, in the case of practically widespread radiator constructions, thermally sensitive components are arranged there.
- radiator mounting part sockets for base of the radiator are provided, which are fixed by arranged in the air cooler part fixing means and electrically connected via running in the air cooler part leads.
- the supply lines and connections can be mounted very easily and, if necessary, maintained.
- An expedient embodiment of the proposed irradiation device according to the second conceptual approach was characterized in that the radiator support part and the air cooler part are designed as cuboid with matching length and width. If required, further cuboidal parts with coordinated dimensions can complete the irradiation unit for special applications.
- the air cooler part receives a fan blower and has a first and second, opposing main surface, wherein on the first main surface of the radiator support member and on the second main surface, an air filter plate is mounted.
- the air filter plate may in this case form a further cuboidal part or a rectangular plate in the sense of the above-mentioned completion, and various designs of filter plates may be assigned to the air cooler part modular.
- a conical or designed as a truncated pyramid, funnel-shaped extending toward the fan fan wall section is provided.
- the Luftkühfer part has an air duct connection for an external blower fan and a first and second, opposing main surface, mounted on the first main surface of the radiator support member and the second main surface is closed.
- a standardized compressed-air connection can also be provided for connection to a central compressed-air supply, and if appropriate, this can also be arranged on the second main surface, in which case the side surfaces of the air-cooler part will be closed.
- the front of the spotlight housing can be closed for special applications. This is advantageously ensured by the fact that the emitter housing has a guide extending above upper edges of the main reflectors and optional end reflectors for receiving a protective screen.
- a protective screen instead of a pure protective screen can here also a filter disc for filtering unwanted Radiation components or possibly also a protective grille o. ⁇ . be used.
- FIG. 1 shows in a partially sectioned perspective view of an operating in the near infrared irradiation device 1, which is in a modular design in the embodiment shown here detachably composed of a radiator support part 3, an air cooler part 5 and an air filter plate 7. These components have the same length and width and therefore result in an assembly that can be easily handled and mounted in a production facility in a cuboid shape.
- This is shown with exposed NIR emitters 9, the front side of the radiator mounting part 3, which is also referred to below as a radiator housing, but can also be closed by a protective screen.
- the back of the air filter plate 7 is formed by a grid 11, which allows the passage of sucked cooling air in an approximately truncated pyramidal funnel 13 and at the same time provides a there provided (not shown in the figure) filter material stop.
- the radiators 9 have a glass body 17 which extends in a straight line over most of its total extension and is bent over at both ends and has sockets 19 with plug contacts at its two ends. These are accommodated in sockets 21, which are attached to the air cooler part 5 adjacent end face of the radiator housing 3. Not shown supply lines to these sockets 21 extend in the air cooler part. 5 and are led from there to a collective power connection of the irradiation device 1.
- Each radiator ends together is assigned in each case a shaped by bending in an asymmetrical trough shape of aluminum sheet end reflector 23, in each of the number of radiators corresponding number of holes for the passage of the radiator ends is incorporated.
- the side surface of the end reflectors extending beyond the radiating ends extends beyond the radiator plane, so that a particularly efficient utilization of the radiation and, in addition, equalization of the radiation field in these regions is effected.
- the rectilinear center regions of the glass body 17 of the radiator 9 are each assigned a replaceable main body 27 mounted replaceably in the radiator housing 3.
- the main reflectors 27 are formed in the form of grooves with approximately cuboid outer contour also made of aluminum sheet by folding and lined up with small distances parallel to each other in the radiator housing. They are held with (not visible in the figure) latching or snap connections in suitable support plates of the radiator housing 3 and manually, without the aid of a tool used there and removed from there.
- the baffle structure of the radiator housing 3 has numerous apertures, swept by the blower fan 15 cooling air behind and between the end and main reflectors and can also act on the sensitive radiator ends, so that thermal overloads even in long-term operation with high performance be avoided.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Die Erfindung betrifft eine Bestrahlungseinrichtung nach dem Oberbegriff von Anspruch 1.The invention relates to an irradiation device according to the preamble of
Es sind Verfahren zur Behandlung von Lackbeschichtungen, Oberflächenstrukturen oder Druckfarben unter Einsatz von elektromagnetischer Strahlung bekannt, deren wesentlicher Wirkanteil im Bereich des nahen Infrarot, insbesondere im Wellenlängenbereich zwischen 0,8 µm und 1,5 µm, oder im Bereich der ultravioletten Strahlung (UV-Bereich) liegt. Bei diesen Anwendungen ist typischerweise die Ausbildung einer relativ großflächigen Bestrahlungszone mit hoher Leistungsdichte im Interesse einer hohen Produktivität des jeweiligen Verfahrens von Bedeutung.Processes for the treatment of lacquer coatings, surface structures or printing inks using electromagnetic radiation are known whose essential active component is in the range of the near infrared, in particular in the wavelength range between 0.8 μm and 1.5 μm, or in the range of ultraviolet radiation (UV radiation). Area). In these applications, the formation of a relatively large area irradiation zone with high power density is typically of importance in the interest of a high productivity of the respective method.
Von daher ist auch der Einsatz von mehreren parallel zueinander angeordneten lang gestreckten Halogenlampen, die einen röhrenförmigen, an den Enden gesockelten Glaskörper mit mindestens einer Glühwendel haben, in einem lang gestreckten Reflektor als Bestrahlungsanordnung für thermische Bestrahlungsprozesse bekannt. Die mit derartigen Bestrahlungsanordnungen realisierten sehr hohen Leistungsdichten oberhalb (teilweise weit oberhalb) von 100 kW/m2 erfordern zur Gewährleistung einer ausreichenden Lebensdauer der Lampen und Formbeständigkeit der Reflektoranordnungen eine Kühlung.Therefore, the use of a plurality of mutually parallel elongated halogen lamps, which have a tubular, end-capped glass body with at least one filament, in an elongated reflector known as irradiation arrangement for thermal irradiation processes. The very high power densities realized above with such irradiation arrangements above (sometimes far above) of 100 kW / m 2 require cooling in order to ensure a sufficient service life of the lamps and dimensional stability of the reflector arrangements.
In der auf die Anmelderin zurückgehenden
Aus der
Aus der ebenfalls auf die Anmelderin zurückgehenden
In der
Die vorgenannten Strahlungsquellen bzw. Bestrahlungsvorrichtungen haben sich inzwischen in mannigfachen Anwendungen bestens bewährt, erreichen hohe Standzeiten und liefern Bestrahlungszonen mit weitgehend den von den Anwendern geforderten Parametern. Jedoch sind auch Anwendungssituationen aufgetreten, in denen die für den Einsatz bestimmter Bestrahlungsanordnungen erforderlichen Voraussetzungen - etwa Kühlwasser- oder Pressluftanschlüsse - nicht gegeben sind. Zudem bestehen in bestimmten Applikationen niedrige Kostenobergrenzen, deren Einhaltung mit bekannten Konstruktionen problematisch ist.The abovementioned radiation sources or irradiation devices have in the meantime proven themselves in manifold applications, achieve a long service life and provide irradiation zones with largely the parameters demanded by the users. However, application situations have occurred in which the conditions required for the use of certain irradiation arrangements - such as cooling water or compressed air connections - are not given. In addition, there are low cost caps in certain applications, the compliance with known constructions is problematic.
Der Erfindung liegt daher die Aufgabe der Bereitstellung einer verbesserten Bestrahlungseinrichtung zugrunde, die sich durch einen kostengünstigen und wartungsfreundlichen Aufbau auszeichnet und leicht an verschiedene Anwendungen anpassbar ist.The invention is therefore based on the object of providing an improved irradiation device, which is characterized by a cost-effective and maintenance-friendly design and is easily adaptable to various applications.
Diese Aufgabe wird durch eine Bestrahlungseinrichtung mit den Merkmalen des Anspruchs 1. Zweckmäßige Fortbildungen des Erfindungsgedankens sind Gegenstand der abhängigen Ansprüche.This object is achieved by an irradiation device having the features of
Die Erfindung schließt den wesentlichen Gedanken ein, unter bewusstem Abgehen von bislang vorherrschenden Entwicklungslinien eine Leichtbau-Bestrahlungseinrichtung mit entsprechend sehr geringer thermischer Masse und somit geringer thermischer Trägheit bereitzustellen. Sie schließt weiter den Gedanken ein, mindestens die wichtigsten Reflektorteile aus Metallblech zu fertigen, das mittels einfacher Bearbeitungsvorgänge (Abkanten, ggf. Biegen) in Kosten sparender Weise in die erforderliche Form gebracht wird. Letztlich schließt die Erfindung auch den Gedanken ein, die den einzelnen Strahlern zugeordneten Hauptreflektorabschnitte als separate Module zu fertigen und leicht auswechselbar in einer Halterung bzw. einem Gehäuse der Bestrahlungseinrichtung zu fixieren.The invention includes the essential idea to provide a lightweight construction irradiation device with a correspondingly very low thermal mass and thus low thermal inertia, deliberately departing from previously prevailing development lines. It also includes the idea of producing at least the most important reflector parts made of sheet metal, which is brought into the required shape in a cost-saving manner by means of simple machining operations (folding, possibly bending). Finally, the invention also includes the idea of producing the main reflector sections assigned to the individual radiators as separate modules and fixing them in a holder or a housing of the irradiation device in an easily replaceable manner.
Diese Merkmalskombination ermöglicht nicht nur eine kostengünstige Herstellung der wichtigsten Anlagenkomponenten, sondern auch deren leichte Montage und - falls erforderlich - Demontage und Auswechslung oder auch einfach Entnahme, zur Realisierung einer leistungsreduzierten Anlage, gemäß speziellen Anwender-Anforderungen. Zudem ermöglicht die Leichtbau-Ausführung aus kostengünstigen Ausgangsmaterialen erhebliche Materialkosteneinsparungen und zudem eine leichtere Handhabung der Reflektoren und ggf. weiterer Anlagenteile.This feature combination not only enables cost-effective production of the most important plant components, but also their easy installation and - if necessary - disassembly and replacement or simply removal, to realize a reduced-power plant, according to specific user requirements. In addition, the lightweight design of cost-effective starting materials allows significant material cost savings and also easier handling of the reflectors and possibly other parts of the system.
Im zweiten wesentlichen Denkansatz schließt die Erfindung den Gedanken ein, erhöhte Flexibilität bei der Anpassung an unterschiedliche Anwenderforderungen und Einsatzbedingungen durch einen modularen Aufbau der Bestrahlungseinrichtung zu erreichen. In diesem Zusammenhang gehört zur Erfindung weiterhin der Gedanke, einen separaten Strahlerhalterungs-Teil und mindestens einen Luftkühler-Teil - bevorzugt aber verschiedene Luftkühler-Teile - bereitzustellen und bedarfsweise miteinander zu verbinden. Hierdurch lassen sich Varianten mit interner Kühlung sowie solche zum Anschluss an externe Gebläse oder auch Druckluftversorgungen realisieren.In the second essential approach, the invention includes the idea to achieve increased flexibility in adapting to different user requirements and operating conditions by a modular structure of the irradiation device. In this context, the invention further includes the idea of providing a separate radiator mounting part and at least one air cooler part-but preferably different air cooler parts-and, if necessary, connecting them to one another. As a result, variants with internal cooling as well as those for connection to external blowers or compressed air supplies can be realized.
Besondere Flexibilität lässt sich durch eine Kombination der Modularität auf der Einzelstrahler-Ebene mit der Modularität des Gehäuseaufbaus erzielen.Special flexibility can be achieved by a combination of modularity on the single-radiator level with the modularity of the housing structure.
In einer bevorzugten Ausführung der Erfindung gemäß dem erstgenannten Konzept ist vorgesehen, dass die Hauptreflektoren eine im Wesentlichen der Länge eines geradlinigen Abschnitts der Strahler entsprechende Länge haben und Sockelabschnitte der Strahler jenseits der Enden der Hauptreflektoren im Strahlergehäuse angeordnet sind. Hierdurch lassen sich die Hauptreflektoren in besonders einfacher Profilgestalt und damit besonders kostengünstig fertigen, denn die im Bereich der Lampenenden sinnvolle komplexere Reflektorgeometrie ist dann nicht mehr Teil der Hauptreflektoren.In a preferred embodiment of the invention according to the former concept, it is provided that the main reflectors have a length substantially corresponding to the length of a rectilinear section of the radiators and base sections of the radiators are arranged beyond the ends of the main reflectors in the radiator housing. This makes it possible to produce the main reflectors in a particularly simple profile shape and thus particularly cost-effective, because the more meaningful in the field of lamp ends complex reflector geometry is then no longer part of the main reflectors.
Besondere Einfachheit in der Montage und Wartung der Bestrahlungseinrichtung lässt sich dadurch erreichen, dass die Hauptreflektoren mittels einer Rast- bzw. Klemmverbindung im Strahlergehäuse befestigt sind, die insbesondere ohne Werkzeug lösbar ist. Einfaches Ergreifen der Hauptreflektoren und Ausführung einfacher Handbewegungen reicht zum Einsetzen der Hauptreflektoren in das Strahlergehäuse sowie zum Entnehmen aus diesem aus, so dass etwa thermisch übermäßig beanspruchte oder beschmutzte Reflektoren auch von weniger qualifiziertem Personal leicht und sicher ausgetauscht werden können.Particular simplicity in the installation and maintenance of the irradiation device can be achieved in that the main reflectors are fastened by means of a latching or clamping connection in the radiator housing, which is in particular solvable without tools. Simple gripping of the main reflectors and execution of simple hand movements is sufficient for insertion of the main reflectors in the radiator housing and for removal from this, so that about thermally over-stressed or soiled reflectors can be easily and safely replaced by less qualified personnel.
Eine optisch den Anforderungen genügende und zugleich besonders kostengünstige Ausführung der Bestrahlungseinrichtung lässt sich dadurch realisieren, dass die Hauptreflektoren die Form einer in einen Quader einbeschriebenen Rinne, insbesondere mit W- oder V-Profil, aufweisen. Diese Form lässt sich nämlich durch einfaches Abkanten eines dünnen Metallbleches (speziell eines Aluminiumbleches mit zumindest einseitig hochwertiger Oberfläche) realisieren.A visually satisfying and at the same time particularly cost-effective embodiment of the irradiation device can be realized in that the main reflectors have the shape of a groove inscribed in a cuboid, in particular with W or V profile. This shape can be realized by simply folding a thin metal sheet (especially an aluminum sheet with at least one side high-quality surface).
Eine weitere bevorzugte Ausführung zeichnet sich dadurch aus, dass die Strahler seitlich gegenüber der Linie ihrer Längserstreckung versetzte und senkrecht zu dieser Linie verlaufende Sockelabschnitte aufweisen und den Sockelabschnitten Endreflektorabschnitte zugeordnet sind. Diese sind von den Hauptreflektoren getrennt und insbesondere für eine Mehrzahl von Strahler gemeinsam durch aus Metallblech gebogene und/oder abgekantete und im Strahlergehäuse separat von den Hauptreflektoren befestigte Endreflektoren gebildet. Auch diese lassen sich durch einfache Abkantvorgänge aus Metallblech (Al-Blech) kostengünstig fertigen, und zwar in einer an die speziellen optischen Verhältnisse an den Lampenenden angepassten Form. Wenn, wie es die Regel ist, die Strahler als NIR-Strahler (oder ggf. auch als UV-Strahler) mit einem zum Sockelabschnitt hin umgebogenen Strahlerkörper ausgebildet sind, sieht das so aus, dass die Endreflektoren eine hieran angepasste Trogform mit verschieden hohen und/oder unterschiedlich schräg stehenden Reflektorwänden aufweisen.A further preferred embodiment is characterized in that the radiators laterally offset with respect to the line of its longitudinal extent and perpendicular to this line extending base sections and the base sections Endreflektorabschnitte are assigned. These are separated from the main reflectors and in particular for a plurality of radiators together by made of sheet metal curved and / or folded and mounted in the radiator housing separately from the main reflectors end reflectors formed. These can be manufactured inexpensively by simple Abkantvorgänge made of sheet metal (Al sheet), in a form adapted to the special optical conditions at the lamp ends shape. If, as is the rule, the emitters are designed as NIR emitters (or possibly also as UV emitters) with a radiator body bent over towards the base section, this looks so that the end reflectors have a trough shape with different height and height adapted thereto Have or differently inclined reflector walls.
Im Interesse einer langen Lebensdauer der Hauptreflektoren und Strahler ist vorgesehen, dass Außenwandungen der Hauptreflektoren derart geformt und die Hauptreflektoren derart im Strahlergehäuse gehaltert sind, dass zwischen Ihnen erste Kühlluft-Durchgänge gebildet sind. Von der Rückseite der Reflektoren eingeblasene Kühlluft streicht dann zwischen den Hauptreflektoren hindurch und kühlt deren Flanken ebenso wie den Mittelteil, so dass thermische Verformungen weitgehend ausgeschlossen sind und die leichte Austauschbarkeit auch nach längerer Betriebsdauer erhalten bleibt.In the interest of a long life of the main reflectors and radiators is provided that outer walls of the main reflectors are shaped in such a way and the main reflectors are supported in the radiator housing, that between them first cooling air passages are formed. Cooling air blown in from the back of the reflectors then passes between the main reflectors and cools their flanks as well as the central part, so that thermal deformations are largely ruled out and the easy interchangeability is maintained even after a longer service life.
In einer weiteren bevorzugten Ausführung ist vorgesehen, dass in den Endreflektoren zweite Kühlluft-Durchgänge zur Kühlung der Strahlerenden gebildet sind. Bekanntermaßen bedürfen die Strahlerenden bei der Kühlung besonderer Aufmerksamkeit, weil sie thermisch besonders beansprucht sind und bei praktisch weit verbreiteten Strahlerkonstruktionen dort thermisch empfindlicher Bauteile angeordnet sind.In a further preferred embodiment, it is provided that second cooling air passages for cooling the radiator ends are formed in the end reflectors. As is known, the radiator ends require particular attention during cooling, because they are subject to particularly high thermal stresses and, in the case of practically widespread radiator constructions, thermally sensitive components are arranged there.
Zweckmäßigerweise ist zudem vorgesehen, dass im Strahlerhalterungs-Teil Fassungen für Sockel der Strahler vorgesehen sind, welche durch im Luftkühler-Teil angeordnete Fixierungsmittel fixiert und über im Luftkühler-Teil verlaufende Zuleitungen elektrisch angeschlossen sind. Hierbei lassen sich die Zuleitungen und Anschlüsse besonders leicht montieren und ggf. warten.Conveniently, it is also provided that in the radiator mounting part sockets for base of the radiator are provided, which are fixed by arranged in the air cooler part fixing means and electrically connected via running in the air cooler part leads. In this case, the supply lines and connections can be mounted very easily and, if necessary, maintained.
Eine zweckmäßige Ausführung der vorgeschlagenen Bestrahlungseinrichtung gemäß dem zweiten konzeptionellen Ansatz zeichnete sich dadurch aus, dass der Strahlerhalterungs-Teil und der Luftkühler-Teil quaderförmig mit übereinstimmender Länge und Breite ausgeführt sind. Bedarfsweise können weitere quaderförmige Teile mit abgestimmten Abmessungen die Bestrahlungseinheit für spezielle Anwendungen komplettieren.An expedient embodiment of the proposed irradiation device according to the second conceptual approach was characterized in that the radiator support part and the air cooler part are designed as cuboid with matching length and width. If required, further cuboidal parts with coordinated dimensions can complete the irradiation unit for special applications.
Bei einer ersten bevorzugten Ausführung ist vorgesehen, dass der Luftkühler-Teil ein Lüftergebläse aufnimmt und eine erste und zweite, einander gegenüberliegende Hauptfläche aufweist, wobei auf der ersten Hauptfläche der Strahlerhalterungs-Teil und auf der zweiten Hauptfläche eine Luftfilterplatte montiert ist. Die Luftfilterplatte kann hierbei ein weiteres quaderförmiges Teil oder eine rechteckige Platte im Sinne der oben erwähnten Komplettierung bilden, und verschiedene Ausführungen von Filterplatten können dem Luftkühler-Teil modular zugeordnet sein. Bevorzugt ist bei dieser Ausführung zwischen Gebläselüfter und Luftfilterplatte ein konischer oder als Pyramidenstumpf ausgebildeter, trichterförmig zum Gebläselüfter hin verlaufender Wandungsabschnitt vorgesehen.In a first preferred embodiment, it is provided that the air cooler part receives a fan blower and has a first and second, opposing main surface, wherein on the first main surface of the radiator support member and on the second main surface, an air filter plate is mounted. The air filter plate may in this case form a further cuboidal part or a rectangular plate in the sense of the above-mentioned completion, and various designs of filter plates may be assigned to the air cooler part modular. Preferably, in this embodiment, between the blower fan and the air filter plate, a conical or designed as a truncated pyramid, funnel-shaped extending toward the fan fan wall section is provided.
In einer hierzu alternativen Ausführung des Luftkühfer-Teils ist vorgesehen, dass dieses einen Luftkanalanschluss für einen externen Gebläselüfter und eine erste und zweite, einander gegenüberliegende Hauptfläche aufweist, wobei auf der ersten Hauptfläche der Strahlerhalterungs-Teil montiert und die zweite Hauptfläche geschlossen ist. Grundsätzlich kann auch ein standardisierter Druckluftanschluss zur Verbindung mit einer zentralen Druckluftversorgung vorgesehen sein, und diese kann ggf. auch auf der zweiten Hauptfläche angeordnet sein, wobei dann die Seitenflächen des Luftkühler-Teiles geschlossen sein werden.In an alternative embodiment of the Luftkühfer part is provided that it has an air duct connection for an external blower fan and a first and second, opposing main surface, mounted on the first main surface of the radiator support member and the second main surface is closed. In principle, a standardized compressed-air connection can also be provided for connection to a central compressed-air supply, and if appropriate, this can also be arranged on the second main surface, in which case the side surfaces of the air-cooler part will be closed.
Vorderseitig kann das Strahlergehäuse für spezielle Anwendungen geschlossen sein. Dies wird vorteilhafterweise dadurch gewährleistet, dass das Strahlergehäuse eine sich oberhalb von Oberkanten der Hauptreflektoren und optionalen Endreflektoren erstreckende Führung zur Aufnahme einer Schutzscheibe aufweist. Anstelle einer reinen Schutzscheibe kann hier auch eine Filterscheibe zur Ausfilterung unerwünschter Strahlungsanteile oder ggf. auch ein Schutzgitter o. Ä. eingesetzt werden.The front of the spotlight housing can be closed for special applications. This is advantageously ensured by the fact that the emitter housing has a guide extending above upper edges of the main reflectors and optional end reflectors for receiving a protective screen. Instead of a pure protective screen can here also a filter disc for filtering unwanted Radiation components or possibly also a protective grille o. Ä. be used.
Vorteil und Zweckmäßigkeit der Erfindung ergeben sich im Übrigen aus der nachfolgenden Beschreibung einer bevorzugten Ausführungsform anhand der einzigen Figur. Diese zeigt in einer teilweise geschnittenen perspektivischen Darstellung eine im Bereich des nahen Infrarot arbeitende Bestrahlungseinrichtung 1, die in modularer Bauweise in der hier gezeigten Ausführung lösbar aus einem Strahlerhalterungs-Teil 3, einem Luftkühler-Teil 5 und einer Luftfilterplatte 7 zusammengesetzt ist. Diese Komponenten haben gleiche Länge und Breite und ergeben im Zusammenbau daher einen gut handhabbaren und in einer Produktionsanlage montierbaren Gerätekörper in Quaderform. Dieser ist mit freiliegenden NIR-Strahlern 9 dargestellt, die Forderseite des Strahlerhalterungs-Teils 3, das nachfolgend auch als Strahlergehäuse bezeichnet wird, kann aber auch durch eine Schutzscheibe verschlossen sein.Incidentally, the advantage and expediency of the invention emerge from the following description of a preferred embodiment with reference to the single FIGURE. This shows in a partially sectioned perspective view of an operating in the near
Es ist zu erkennen, dass die Rückseite der Luftfilterplatte 7 durch ein Gitter 11 gebildet ist, welches den Durchtritt von angesaugter Kühlluft in einen annähernd pyramidenstumpfartigen Trichter 13 erlaubt und zugleich einem dort vorgesehenen (in der Figur nicht dargestellten) Filtermaterial halt bietet. Das Luftkühler-Teil 5, dessen eine Stirnfläche der Luftfilterplatte 7 zugewandt und gewissermaßen durch den Ansaugtrichter 13 gebildet ist und dessen andere Stirnfläche dem Strahlerhalterungs-Teil 3 zugewandt ist, enthält einen oder mehrere Gebläselüfter 15. Mit diesem wird Kühlluft aus der Atmosphäre angesaugt und in den Strahlerhalterungs-Teil 3 zur Kühlung der Strahler 9 und zugehörigen Reflektoren geblasen.It can be seen that the back of the
In der Figur ist des weiten zu erkennen, dass die Strahler 9 einen über den größten Teil ihrer Gesamterstreckung geradlinig lang gestreckten und an beiden Enden umgebogenen Glaskörper 17 und an dessen beiden Enden Sockel 19 mit Steckkontakten aufweisen. Diese sind in Buchsen 21 aufgenommen, die an der dem Luftkühler-Teil 5 benachbarten Stirnfläche des Strahlergehäuses 3 angebracht sind. Nicht dargestellte Zuleitungen zu diesen Buchsen 21 verlaufen im Luftkühler-Teil 5 und werden von dort zu einem Sammel-Stromanschluss der Bestrahlungseinrichtung 1 geführt.In the figure, it can be clearly seen that the radiators 9 have a
Allen Strahlerenden gemeinsam ist jeweils ein durch Abkanten in asymmetrischer Trogform aus Aluminiumblech geformter Endreflektor 23 zugeordnet, in den jeweils einer der Anzahl der Strahler entsprechenden Anzahl von Löchern zum Durchgang der Strahlerenden eingearbeitet ist. Die jenseits der Strahlerenden verlaufende Seitenfläche der Endreflektoren erstreckt sich bis über die Strahlerebene hinaus, so dass eine besonders effiziente Ausnutzung der Strahlung und zudem Vergleichmäßigung des Strahlungsfeldes in diesem Bereichen bewirkt wird.Each radiator ends together is assigned in each case a shaped by bending in an asymmetrical trough shape of aluminum
Den geradlinig verlaufenden Mittenbereichen der Glaskörper 17 der Strahler 9 ist jeweils einzeln ein auswechselbar im Strahlergehäuse 3 gehalterter Hauptreflektor 27 zugeordnet. Die Hauptreflektoren 27 sind in Form von Rinnen mit annähernd quaderförmiger Außenkontur ebenfalls aus Al-Blech durch Abkanten gebildet und mit kleinen Abständen parallel zueinander im Strahlergehäuse aufgereiht. Sie sind mit (in der Figur nicht zu erkennenden) Rast- bzw. Schnappverbindungen in geeigneten Trägerblechen des Strahlergehäuses 3 gehalten und manuell, ohne Zuhilfenahme eines Werkzeugs dort einsetzbar und von dort entnehmbar.The rectilinear center regions of the
In der Figur ist erkennbar, dass die Tragblechstruktur des Strahlergehäuses 3 zahlreiche Durchbrüche aufweist, durch die vom Gebläselüfter 15 gelieferte Kühlluft hinter und zwischen den End- und Hauptreflektoren entlangstreichen und auch die empfindlichen Strahlerenden beaufschlagen kann, so dass thermische Überlastungen auch im Langzeitbetrieb mit hoher Leistung vermieden werden.In the figure, it can be seen that the baffle structure of the
Die Ausführung der Erfindung ist nicht auf dieses Beispiel beschränkt, sondern ebenso in einer Vielzahl von Abwandlungen möglich, die im Rahmen fachgemäßen Handelns liegen.The embodiment of the invention is not limited to this example, but also in a variety of modifications possible, which are within the scope of professional action.
Claims (15)
- An irradiating device for technical use comprising a plurality of elongate radiators emitting in or between the UV range and IR range, and a plurality of main reflector sections which are folded of sheet metal in a shape adapted to the shape of the radiators,
characterized in that
the main reflector sections are formed as separate main reflectors and are individually exchangeable and supported to be independent of the radiators at small intervals parallel to one another in carrier sheets of a radiator housing while being secured within the radiator housing by means of a latching or clamping connection. - The irradiating device according to claim 1, characterized in that the main reflectors have a length substantially corresponding to the length of a rectilinear section of the radiators, and base sections of the radiators are disposed beyond the ends of the main reflectors within the radiator housing.
- The irradiating device according to claim 1 or 2, characterized in that the latching or clamping connection is releasable without a tool.
- The irradiating device according to any one of the preceding claims,
characterized in that
the main reflectors comprise the form of a groove inscribed in a cuboid, in particular of a W or V profile. - The irradiating device according to any one of the preceding claims,
characterized in that
the radiators comprise base sections laterally offset with respect to the line of the longitudinal extension thereof and extending perpendicular to said line, and the base sections are assigned end reflector sections which are formed in common for a plurality of radiators by end reflectors bent and/or folded from sheet metal and attached within the radiator housing separately from the main reflectors. - The irradiating device according to claim 5, characterized in that the radiators are formed as NIR radiators having a radiator body bent towards the base section and including a continuous filament, and the end reflectors comprise a trough shape adapted thereto having reflector walls of various heights and/or different inclinations.
- The irradiating device according to any one of the preceding claims,
characterized in that
the radiator housing comprises a guide for receiving a protective glass and extending above the upper edges of the main reflectors, and optional end reflectors. - The irradiating device according to any one of the preceding claims,
characterized in that
outer walls of the main reflectors are shaped and the main reflectors supported within the radiator housing in such a manner that first cooling air passages are formed between them. - The irradiating device according to any one of claims 5 - 8, characterized in that
second cooling air passages are formed within the end reflectors for cooling the radiator ends. - The irradiating device according to any one of the preceding claims,
characterized by
a multi-part radiator housing at least mainly consisting of sheet metal and comprising a radiator supporting part and an air cooler part releasably attached to same. - The irradiating device according to claim 10, characterized in that the radiator supporting part and the air cooler part are realized in a cuboid shape of a corresponding length and width.
- The irradiating device according to claim 10 or 11, characterized in that the air cooler part accommodates a ventilation fan and comprises a first and a second main surface opposite each other, with the radiator supporting part being mounted to the first main surface and an air filter plate to the second main surface.
- The irradiating device according to claim 12, characterized in that between the ventilation fan and the air filter plate, a wall section formed to be conical or as a truncated pyramid is provided extending in a funnel shape towards the ventilating fan.
- The irradiating device according to claim 10 or 11, characterized in that the air cooler part comprises an air duct connection for an external ventilating fan and a first and a second main surface opposite each other, with the radiator supporting part being mounted to the first main surface and the second main surface being closed.
- The irradiating device according to any one of claims 10 to 14, characterized in that
within the radiator supporting part, sockets for the bases of the radiators are provided which are fixed by fixing means arranged in the air cooler part and electrically connected via supply lines extending within the air cooler part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09012870.3A EP2151278B1 (en) | 2006-06-22 | 2007-05-16 | Irradiation device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006028702A DE102006028702B4 (en) | 2006-06-22 | 2006-06-22 | irradiation device |
| PCT/EP2007/004403 WO2007147466A1 (en) | 2006-06-22 | 2007-05-16 | Irradiation device |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09012870.3A Division EP2151278B1 (en) | 2006-06-22 | 2007-05-16 | Irradiation device |
| EP09012870.3 Division-Into | 2009-10-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2029270A1 EP2029270A1 (en) | 2009-03-04 |
| EP2029270B1 true EP2029270B1 (en) | 2012-08-01 |
Family
ID=38289117
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07725318A Not-in-force EP2029270B1 (en) | 2006-06-22 | 2007-05-16 | Irradiation device |
| EP09012870.3A Not-in-force EP2151278B1 (en) | 2006-06-22 | 2007-05-16 | Irradiation device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09012870.3A Not-in-force EP2151278B1 (en) | 2006-06-22 | 2007-05-16 | Irradiation device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8097867B2 (en) |
| EP (2) | EP2029270B1 (en) |
| DE (1) | DE102006028702B4 (en) |
| WO (1) | WO2007147466A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009008318A1 (en) * | 2009-02-10 | 2010-08-12 | Krones Ag | Device for heating plastic preforms |
| DE102011103357A1 (en) * | 2011-05-27 | 2012-11-29 | ThermProTEC Asia UG (haftungsbeschränkt) | Interchangeable optical |
| WO2014164432A1 (en) * | 2013-03-13 | 2014-10-09 | Greenzapr, Inc. | Ultraviolet sanitizer with wand |
| JP6202995B2 (en) * | 2013-11-05 | 2017-09-27 | 東芝電子管デバイス株式会社 | Rotating anode type X-ray tube device |
| DE102014111949A1 (en) | 2014-08-21 | 2016-02-25 | Krones Aktiengesellschaft | Attachable reflector |
| EP3045836B8 (en) * | 2015-01-15 | 2019-07-10 | Stylianos Giannoulis | Heating device |
| DE102018101053B4 (en) * | 2017-11-14 | 2019-11-28 | Heraeus Noblelight Gmbh | Infrared irradiation module |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2537855A1 (en) * | 1975-08-26 | 1977-03-10 | Friedrich Wolff | DEVICE FOR FLAT UV RADIATION |
| DE3048005C2 (en) | 1980-12-19 | 1984-08-30 | Udo Dipl.-Ing. 7120 Bietigheim Mailänder | Process for drying thermally dryable paints, varnishes, varnishes and the like, which form a one-sided coating of a carrier made of metal, as well as a device for carrying out the process |
| DE3317812A1 (en) * | 1983-05-17 | 1984-11-22 | Friedrich 7800 Freiburg Wolff | Irradiating or illuminating device |
| US5117562A (en) * | 1989-04-14 | 1992-06-02 | Robert C. Dulay | Radiant energy ink drying device |
| DE9017831U1 (en) * | 1990-04-28 | 1991-08-01 | Heraeus Noblelight Gmbh, 63450 Hanau | Spotlight module |
| US5142795A (en) | 1990-10-29 | 1992-09-01 | Abb Process Automation Inc. | Infra-red lamp module |
| US5861633A (en) * | 1997-08-04 | 1999-01-19 | Con-Trol-Cure, Inc. | Irradiator apparatus |
| DE19916474A1 (en) * | 1999-04-13 | 2000-10-26 | Ist Metz Gmbh | Radiation device |
| DE10024099A1 (en) * | 2000-05-18 | 2001-11-22 | Eltosch Torsten Schmidt Gmbh | Dryer for printer has electrical radiator unit, output regulator, temperature and material sensors. |
| DE10051905B4 (en) * | 2000-09-18 | 2006-07-06 | Advanced Photonics Technologies Ag | Halogen lamp for infra-red radiation of wide materials, has ends of glass envelope bent towards reflector and containing denser filament |
| DE10051642B4 (en) * | 2000-10-18 | 2009-06-25 | Advanced Photonics Technologies Ag | irradiation device |
| DE10051641B4 (en) * | 2000-10-18 | 2009-10-15 | Advanced Photonics Technologies Ag | irradiation device |
| DE10238253B4 (en) | 2002-08-21 | 2007-12-13 | Advanced Photonics Technologies Ag | UV irradiation system for generating an extensive UV radiation field |
| DE10257432B4 (en) * | 2002-12-09 | 2006-10-26 | Advanced Photonics Technologies Ag | Air-cooled irradiation arrangement |
| DE10315260A1 (en) | 2003-04-03 | 2004-10-21 | Advanced Photonics Technologies Ag | radiator module |
| EP1744882B1 (en) | 2004-05-04 | 2009-12-09 | Eltosch Torsten Schmidt GmbH | Radiation apparatus |
| DE102004038592A1 (en) | 2004-08-06 | 2006-03-16 | Ist Metz Gmbh | irradiation unit |
-
2006
- 2006-06-22 DE DE102006028702A patent/DE102006028702B4/en active Active
-
2007
- 2007-05-16 EP EP07725318A patent/EP2029270B1/en not_active Not-in-force
- 2007-05-16 WO PCT/EP2007/004403 patent/WO2007147466A1/en active Application Filing
- 2007-05-16 US US12/303,294 patent/US8097867B2/en not_active Expired - Fee Related
- 2007-05-16 EP EP09012870.3A patent/EP2151278B1/en not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007147466A1 (en) | 2007-12-27 |
| DE102006028702B4 (en) | 2009-06-25 |
| EP2151278B1 (en) | 2016-03-02 |
| US20090184267A1 (en) | 2009-07-23 |
| EP2029270A1 (en) | 2009-03-04 |
| US8097867B2 (en) | 2012-01-17 |
| EP2151278A1 (en) | 2010-02-10 |
| DE102006028702A1 (en) | 2007-12-27 |
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