EP2715219B1 - Reflector arrangement and halogen lamp heating system - Google Patents

Reflector arrangement and halogen lamp heating system Download PDF

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Publication number
EP2715219B1
EP2715219B1 EP12743361.3A EP12743361A EP2715219B1 EP 2715219 B1 EP2715219 B1 EP 2715219B1 EP 12743361 A EP12743361 A EP 12743361A EP 2715219 B1 EP2715219 B1 EP 2715219B1
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EP
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Prior art keywords
reflector
carrier
halogen
interchangeable
reflector element
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EP12743361.3A
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German (de)
French (fr)
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EP2715219A1 (en
Inventor
Rainer Gaus
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THERMPROTEC GmbH
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Thermprotec GmbH
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    • 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
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/56—Cooling arrangements using liquid coolants
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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
    • H05B3/0038—Heating devices using lamps for industrial applications

Definitions

  • the invention relates to a reflector arrangement of a halogen radiator heating system, which comprises a plurality of elongated, arranged in a group parallel to each other halogen lamps and in which the radiation is reflected by a arranged on one side of the radiator group metallic reflector to the other side of the radiator group. It further relates to a halogen radiator heating system, which has such a reflector arrangement.
  • NIR or infrared heating systems are often used. These systems use elongate halogen lamps, of which certain types at the ends or contact points are angled by 90 °, thereby reducing the thermal stress at the contact points.
  • the halogen lamps are i.d.R. arranged in parallel and sometimes have a relatively high performance.
  • reflectors In order to focus the radiated power in one direction, i.d.R. behind the lamps reflectors are used, which focus the radiation forward.
  • These reflectors also have a special geometric shape in many cases to focus the radiation in a particular shape.
  • These radiator modules are also large in many cases, i. There are very many spotlights, often more than 50 pieces, arranged side by side. These radiator modules have high power depending on the radiator density and radiator output
  • a reflector assembly having the features of claim 1.
  • Advantageous further training are the subject of the dependent claims.
  • the invention is based on the consideration that the problems occurring in operation in commercially available halogen radiator heating systems are to be solved if ensured by a suitable geometric arrangement on the one hand good cooling of the reflectors and on the other hand easy replacement or easy removal and replacement after a cleaning is possible. It further includes the consideration of meeting these requirements, which appear to be contradictory, in that the reflector arrangement is constructed in several parts, such that in operation a good heat conduction between the different parts and a heat sink (air or water cooling) exists is present outside the operating state "game" between the components.
  • the reflector assembly includes a concave water- or air-cooled reflector carrier Guide rails and an interchangeable inserted into the reflector support exchange reflector element comprises, wherein the reflector support and the Kirreflektorelement are formed such that in the operating state by the heating of the Kirreflektorelements and the resulting expansion and Ausdehnungsbehi concerning by the guide rails a positive connection and heat conduction contact with the concave reflector support is formed, creating heat is derived from the Desireflektktorelement in the reflector carrier, whereas in the off state, there is no positive connection and the Konreflektorelement is quickly interchangeable.
  • the term "guide bar” here also groove or fold-like formations are referred to in the reflector carrier, which represent a guide
  • the invention describes a new type of interchangeable reflectors, which allows a quick replacement of reflector inserts, without reducing the cooling effect of the integrated reflector cooling.
  • the replacement of this reflector insert can also be done without removing the halogen lamps. This is essentially achieved in that only the heating of the reflector insert and the associated thermal expansion leads to a positive connection with an air- or water-cooled reflector carrier. In the cold state, however, there is play between reflector support and insert.
  • the exchangeable reflector element is designed as a reflector plate, which in particular has a thickness between 0.2 mm and 2 mm, in particular between 0.5 mm and 1 mm. More particularly, the interchangeable reflector element is designed as a resilient reflector sheet, in particular made of resilient aluminum or stainless steel.
  • the easy interchangeability is given in particular in a design in which the reflector support and the inserted exchange reflector element are each mirror-symmetrical concave to a mirror plane on which a longitudinal axis of the elongated halogen radiator is perpendicular, and the guide rails of the reflector support parallel to the mirror plane.
  • the alternating reflector element (or several alternating reflector elements) inserted into the reflector carrier then becomes perpendicular to the extension direction the halogen lamps pulled out from among these, and the new or cleaned Kirreflector elements are inserted again in the opposite direction.
  • the reflector support is designed such that it accommodates a plurality of reflector sheets, which are joined together in particular in a direction perpendicular to the longitudinal axis of the halogen lamps.
  • the reflector carrier comprises fixing rods which can be inserted into the guide strips in such a way that they clamp the edge of the alternating reflector element adjacent thereto in the guide strip.
  • the reflector support comprises a cooled primary support having a concave surface and a non-cooled secondary support having a convex surface into the concave surface of the primary support, which in turn has at least one concave surface and guide rails into which the or an interchangeable reflector element is insertable in that heat is dissipated by the exchangeable reflector element into the reflector carrier, whereas in the switched-off state there is no positive connection and the exchangeable reflector element is quickly exchangeable.
  • the primary carrier has first guide rails for holding the secondary carrier and the secondary carrier second guide rails for holding the or each exchangeable reflector element.
  • the secondary carrier has a plurality of concave surfaces arranged side by side in a direction perpendicular to the longitudinal axis of the halogen lamps, in each of which an alternating reflector element is inserted.
  • the halogen lamps for generating radiation in the near infrared region have an intensity maximum between 0.8 mm and 2 mm.
  • the halogen spotlights have angled ends, and are supported in sockets located on either side outside the side edges of the reflector assembly.
  • the claimed embodiment as in Fig. 2 sketched, is given by a construction "form in form".
  • the reflector plates are inserted into this uncooled carrier 7 as described above.
  • a plurality of reflector sheets 2 are used in this case, which produce a desired imaging geometry.
  • the back of this uncooled carrier 7 is convex and is inserted into the concave water-cooled carrier 1.3. Again, there is no positive connection in the cold state. As a result, the change of this uncooled carrier 7 with the reflector sheets used is easily possible.
  • the reflector panels 2 first heat up and produce a positive connection 4 with the uncooled reflector support, which heats up only slowly due to the higher mass and the non-direct irradiation. If the positive connection with the reflector sheets 2 takes place, then the uncooled reflector 7 heats up faster and thereby likewise expands. This in turn leads to a positive connection with the water- or air-cooled reflector carrier 1.3 and thus to an effective cooling of the entire reflector structure. In the cold state, the change is fast, inexpensive and without the removal of the lamps possible.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Road Signs Or Road Markings (AREA)

Description

Gebiet der ErfindungField of the invention

Die Erfindung betrifft eine Reflektoranordnung eines Halogenstrahler-Heizsystems, das eine Mehrzahl von langgestreckten, in einer Gruppe parallel zueinander angeordneten Halogenstrahlern umfasst und bei dem die Strahlung durch einen auf einer Seite der Strahlergruppe angeordneten metallischen Reflektor zur anderen Seite der Strahlergruppe reflektiert wird. Sie betrifft des Weiteren ein Halogenstrahler-Heizsystem, welches eine derartige Reflektoranordnung aufweist.The invention relates to a reflector arrangement of a halogen radiator heating system, which comprises a plurality of elongated, arranged in a group parallel to each other halogen lamps and in which the radiation is reflected by a arranged on one side of the radiator group metallic reflector to the other side of the radiator group. It further relates to a halogen radiator heating system, which has such a reflector arrangement.

Stand der TechnikState of the art

In der thermischen Prozesstechnik werden vielfach NIR bzw. Infrarot Heizsysteme eingesetzt. Bei diesen Systemen werden langestreckte Halogenstrahler verwendet, von denen bestimmte Ausführungen an den Enden bzw. Kontaktstellen um 90° gewinkelt sind, um dadurch die thermische Belastung an den Kontaktstellen zu reduzieren. Die Halogenlampen sind i.d.R. parallel angeordnet und weisen mitunter eine relativ hohe Leistung auf. Um die ausgestrahlte Leistung in eine Richtung zu fokussieren, werden i.d.R. hinter den Lampen Reflektoren eingesetzt, die die Strahlung nach vorne bündeln. Diese Reflektoren weisen auch in vielen Fällen eine spezielle geometrische Form auf, um die Strahlung in einer bestimmten Form zu bündeln. Diese Strahlermodule sind auch in vielen Fällen groß, d.h. es werden sehr viele Strahler, nicht selten mehr als 50 Stück, nebeneinander angeordnet. Diese Strahlermodule haben, abhängig von der Strahlerdichte und Strahlerleistung, eine hohe LeistungIn thermal process technology NIR or infrared heating systems are often used. These systems use elongate halogen lamps, of which certain types at the ends or contact points are angled by 90 °, thereby reducing the thermal stress at the contact points. The halogen lamps are i.d.R. arranged in parallel and sometimes have a relatively high performance. In order to focus the radiated power in one direction, i.d.R. behind the lamps reflectors are used, which focus the radiation forward. These reflectors also have a special geometric shape in many cases to focus the radiation in a particular shape. These radiator modules are also large in many cases, i. There are very many spotlights, often more than 50 pieces, arranged side by side. These radiator modules have high power depending on the radiator density and radiator output

Diese Strahlungsintensität trifft mit der Hälfte der Leistung auch auf die Reflektoren auf, die deshalb i.d.R. aus poliertem Metall bestehen und somit für die Strahlung eine hohe Reflexion aufweisen. Die Strahlungssysteme werden häufig in rauen industriellen Umgebungen eingesetzt und verschmutzen daher sehr schnell. Dies wiederum reduziert den Reflexionsgrad und somit den Wirkungsgrad des Strahlungssystems erheblich. Zudem unterliegt dadurch der Reflektor einer hohen thermischen Belastung und muss zum Betrieb i.d. R. mit Wasser oder Luft aktiv gekühlt werden, um eine Zerstörung zu vermeiden. Um diese Strahlermodule zu warten, muss der Reflektor häufig geputzt und poliert werden, um den Reflexionsgrad wieder zu erhöhen. Dies ist sehr aufwendig, da typischerweise alle Halogenlampen ausgebaut werden müssen und anschließend die Reflektoroberfläche aufwendig aufbereitet werden muss.
Einschlägiger Stand der Technik ist bekannt aus der US 3 654 471 A , der US 2002/150395 A1 und der DE 100 51 642 A1 . Diese Druckschriften beschreiben jeweils Reflektoranordnungen für langgestreckte Strahler, die einen massiv metallischen Grundkörper mit Mitteln zur Kühlung des Reflektors aufweisen.
Der Erfindung liegt daher die Aufgabe zugrunde, eine verbesserte Reflektoranordnung bereitzustellen, die insbesondere höheren Gebrauchswert im Dauerbetrieb hat und zugleich relativ leicht zu betreiben und zu warten ist.With half of the power, this radiation intensity also affects the reflectors, which are therefore usually made of polished metal and therefore have a high level of reflection for the radiation. The radiation systems are often used in harsh industrial environments and therefore pollute very fast. This in turn reduces the reflectance and thus the efficiency of the Radiation system considerably. In addition, the reflector is subject to a high thermal load and must be actively cooled to operate usually with water or air in order to avoid destruction. In order to maintain these radiator modules, the reflector must be cleaned and polished frequently in order to increase the reflectance again. This is very expensive, since typically all halogen lamps must be removed and then the reflector surface must be elaborately processed.
Relevant prior art is known from the US Pat. No. 3,654,471 , of the US 2002/150395 A1 and the DE 100 51 642 A1 , These documents each describe reflector arrangements for elongate radiators, which have a solid metallic base body with means for cooling the reflector.
The invention is therefore based on the object to provide an improved reflector assembly, which in particular has higher utility value in continuous operation and at the same time is relatively easy to operate and maintain.

Darstellung der ErfindungPresentation of the invention

Diese Aufgabe wird durch eine Reflektoranordnung mit den Merkmalen des Anspruchs 1 gelöst. Zweckmäßige Fortbildungen sind Gegenstand der abhängigen Ansprüche. Es wird des Weiteren ein Halogenstrahler-Heizsystem mit einer Reflektoranordnung der vorgeschlagenen Art bereitgestellt.
Die Erfindung geht von der Überlegung aus, dass die im Betrieb auftretenden Probleme bei kommerziell verfügbaren Halogenstrahler-Heizsystemen zu lösen sind, wenn durch eine geeignete geometrische Anordnung einerseits eine gute Kühlung der Reflektoren sichergestellt und andererseits eine leichte Auswechslung bzw. ein einfaches Entnehmen und Wiedereinsetzen nach einer Reinigung ermöglicht wird. Sie schließt weiter die Überlegung ein, diese als widersprüchlich erscheinenden Anforderungen dadurch zu erfüllen, dass die Reflektoranordnung mehrteilig aufgebaut ist, und zwar derart, dass im Betrieb eine gute Wärmeleitung zwischen den verschiedenen Teilen und zu einer Wärmesenke (Luft- oder Wasserkühlung) besteht, während außerhalb des Betriebszustandes"Spiel" zwischen den Komponenten vorhanden ist. Dieses Spiel soll nach den Überlegungen des Erfinders derart sein, dass der von der Strahlung unmittelbar beaufschlagte Teil der Reflektoranordnung (der zugleich der verschmutzungsempfindliche Teil ist) leicht aus der Anordnung entnommen werden kann.
Diese Überlegungen münden schließlich in dem Konzept, dass die Reflektoranordnung einen konkaven wasser- oder luftgekühlten Reflektorträger mit Führungsleisten und ein in den Reflektorträger auswechselbar eingesetztes Wechselreflektorelement umfasst, wobei der Reflektorträger und das Wechselreflektorelement derart ausgebildet sind, dass im Betriebszustand durch die Erwärmung des Wechselreflektorelements und die resultierende Ausdehnung und Ausdehnungsbehinderung durch die Führungsleisten ein Formschluss und Wärmeleitungskontakt mit dem konkaven Reflektorträger entsteht, wodurch Wärme vom Wechselreflektorelement in den Reflektorträger abgeleitet wird, wogegen im ausgeschalteten Zustand kein Formschluss besteht und das Wechselreflektorelement schnell auswechselbar ist. Mit dem Begriff "Führungsleiste" werden hier auch nut- oder falzartige Ausformungen im Reflektorträger bezeichnet, die eine Führung für den Rand eines eingesetzten Wechselreflektorelementes darstellen.This object is achieved by a reflector assembly having the features of claim 1. Advantageous further training are the subject of the dependent claims. There is further provided a halogen radiator heating system with a reflector assembly of the type proposed.
The invention is based on the consideration that the problems occurring in operation in commercially available halogen radiator heating systems are to be solved if ensured by a suitable geometric arrangement on the one hand good cooling of the reflectors and on the other hand easy replacement or easy removal and replacement after a cleaning is possible. It further includes the consideration of meeting these requirements, which appear to be contradictory, in that the reflector arrangement is constructed in several parts, such that in operation a good heat conduction between the different parts and a heat sink (air or water cooling) exists is present outside the operating state "game" between the components. According to the considerations of the inventor, this game should be such that the part of the reflector arrangement (which is at the same time the soiling-sensitive part) which is directly acted upon by the radiation can be easily removed from the arrangement.
These considerations finally lead to the concept that the reflector assembly includes a concave water- or air-cooled reflector carrier Guide rails and an interchangeable inserted into the reflector support exchange reflector element comprises, wherein the reflector support and the Wechselreflektorelement are formed such that in the operating state by the heating of the Wechselreflektorelements and the resulting expansion and Ausdehnungsbehinderung by the guide rails a positive connection and heat conduction contact with the concave reflector support is formed, creating heat is derived from the Wechselreflektktorelement in the reflector carrier, whereas in the off state, there is no positive connection and the Wechselreflektorelement is quickly interchangeable. The term "guide bar" here also groove or fold-like formations are referred to in the reflector carrier, which represent a guide for the edge of a used Wechselreflektorelementes.

Mit anderen Worten: Die Erfindung beschreibt eine neue Art von Wechselreflektoren, die einen schnellen Austausch von Reflektoreinsätzen ermöglicht, ohne die Kühlwirkung der integrierten Reflektorkühlung zu reduzieren. Der Austausch dieses Reflektoreinsatzes kann zudem ohne Ausbau der Halogenlampen erfolgen. Dies wird im wesentlichen dadurch erreicht, dass erst die Erwärmung des Reflektoreinsatzes und die damit verbundene thermische Ausdehnung zu einem Formschluss mit einem luft- oder wassergekühlten Reflektorträger führt. Im kalten Zustand gibt es hingegen Spiel zwischen Reflektorträger und -einsatz.In other words, the invention describes a new type of interchangeable reflectors, which allows a quick replacement of reflector inserts, without reducing the cooling effect of the integrated reflector cooling. The replacement of this reflector insert can also be done without removing the halogen lamps. This is essentially achieved in that only the heating of the reflector insert and the associated thermal expansion leads to a positive connection with an air- or water-cooled reflector carrier. In the cold state, however, there is play between reflector support and insert.

In einer Ausführung ist das Wechselreflektorelement als Reflektorblech ausgebildet, das insbesondere eine Dickie zwischen 0,2mm und 2mm, insbesondere zwischen 0,5mm und 1mm, hat. Spezieller ist das Wechselreflektorelement als federelastisches Reflektorblech, insbesondere aus federelastischem Aluminium oder Edelstahl, ausgebildet.In one embodiment, the exchangeable reflector element is designed as a reflector plate, which in particular has a thickness between 0.2 mm and 2 mm, in particular between 0.5 mm and 1 mm. More particularly, the interchangeable reflector element is designed as a resilient reflector sheet, in particular made of resilient aluminum or stainless steel.

Die leichte Auswechselbarkeit ist insbesondere in einer Ausführung gegeben, bei der der Reflektorträger und das eingesetzte Wechselreflektorelement jeweils zu einer Spiegelebene spiegelsymmetrisch konkav ausgebildet sind, auf der eine Längsachse der langgestreckten Halogenstrahler senkrecht steht, und die Führungsleisten des Reflektorträgers parallel zur Spiegelebene verlaufen. Das in den Reflektorträger eingesetzte Wechselreflektorelement (oder mehrere Wechselreflektorelemente) wird/werden dann senkrecht zur Erstreckungsrichtung der Halogenstrahler unter diesen hervorgezogen, und die neuen oder gereinigten Wechselreflektorelemente werden in entgegengesetzter Richtung wieder eingeschoben.
In einer weiteren Ausführung ist vorgesehen, dass der Reflektorträger derart ausgebildet ist, dass er mehrere Reflektorbleche aufnimmt, die insbesondere in einer Richtung senkrecht zur Längsachse der Halogenstrahler aneinandergefügt sind.
In einer weiteren Ausführung der Erfindung umfasst der Reflektorträger Fixierungsstäbe die in die Führungsleisten derart einschiebbar sind, dass sie die dort benachbarte Kante des Wechselreflektorelementes in der Führungsleiste festklemmen.The easy interchangeability is given in particular in a design in which the reflector support and the inserted exchange reflector element are each mirror-symmetrical concave to a mirror plane on which a longitudinal axis of the elongated halogen radiator is perpendicular, and the guide rails of the reflector support parallel to the mirror plane. The alternating reflector element (or several alternating reflector elements) inserted into the reflector carrier then becomes perpendicular to the extension direction the halogen lamps pulled out from among these, and the new or cleaned Wechselreflector elements are inserted again in the opposite direction.
In a further embodiment it is provided that the reflector support is designed such that it accommodates a plurality of reflector sheets, which are joined together in particular in a direction perpendicular to the longitudinal axis of the halogen lamps.
In a further embodiment of the invention, the reflector carrier comprises fixing rods which can be inserted into the guide strips in such a way that they clamp the edge of the alternating reflector element adjacent thereto in the guide strip.

Gemäß der beanspruchten Erfindung weist der Reflektorträger einen gekühlten Primärträger mit einer konkaven Oberfläche und einen mit einer konvexen Oberfläche in die konkave Oberfläche des Primärträgers passenden ungekühlten Sekundärträger auf, der seinerseits mindestens eine konkave Oberfläche und Führungsleisten hat, in die das oder ein Wechselreflektorelement derart einfügbar ist, dass Wärme vom Wechselreflektorelement in den Reflektorträger abgeleitet wird, wogegen im ausgeschalteten Zustand kein Formschluss besteht und das Wechselreflektorelement schnell auswechselbar ist. Speziell kann vorgesehen sein, dass der Primärträger erste Führungsleisten zum Halten des Sekundärträgers und der Sekundärträger zweite Führungsleisten zum Halten des oder jedes Wechselreflektorelementes aufweist. In einer weiteren Ausgestaltung weist der Sekundärträger mehrere in Richtung senkrecht zur Längsachse der Halogenstrahler nebeneinander angeordnete konkave Oberflächen auf, in die jeweils ein Wechselreflektorelement eingefügt ist.
In einer Ausführung des Halogenstrahler-Heizsystems weisen die Halogenstrahler zur Erzeugung von Strahlung im Bereich des nahen Infrarot ein Intensitätsmaximum zwischen 0,8 mm und 2 mm auf. In einer weiteren Ausführung ist vorgesehen, dass in das Halogenstrahler-Heizsystem Halogenstrahler eingesetzt sind und welches eine geometrische Konfiguration aufweist, durch die eine Strahlungsdichte im Bereich zwischen 10kW/m2 und 1000kW/m2, insbesondere im Bereich zwischen 50kW/m2 und 250kW/m2, auf der Öffhungsfläche der Reflektoranordnung erzeugt wird.
In einer bewährten Ausführung des Halogenstrahler-Heizsystems haben die Halogenstrahler abgewinkelte bzw. umgebogene Enden, und sie sind in Fassungen gehaltert, die beidseits außerhalb der Seitenkanten der Reflektoranordnung angeordnet sind.According to the claimed invention, the reflector support comprises a cooled primary support having a concave surface and a non-cooled secondary support having a convex surface into the concave surface of the primary support, which in turn has at least one concave surface and guide rails into which the or an interchangeable reflector element is insertable in that heat is dissipated by the exchangeable reflector element into the reflector carrier, whereas in the switched-off state there is no positive connection and the exchangeable reflector element is quickly exchangeable. Specifically, it may be provided that the primary carrier has first guide rails for holding the secondary carrier and the secondary carrier second guide rails for holding the or each exchangeable reflector element. In a further embodiment, the secondary carrier has a plurality of concave surfaces arranged side by side in a direction perpendicular to the longitudinal axis of the halogen lamps, in each of which an alternating reflector element is inserted.
In one embodiment of the halogen radiator heating system, the halogen lamps for generating radiation in the near infrared region have an intensity maximum between 0.8 mm and 2 mm. In a further embodiment, it is provided that in the halogen radiator heating system halogen lamps are used and which has a geometric configuration through which a radiation density in the range between 10kW / m2 and 1000kW / m2, in particular in the range between 50kW / m2 and 250kW / m2, is generated on the opening surface of the reflector assembly.
In a proven embodiment of the halogen spotlight heating system, the halogen spotlights have angled ends, and are supported in sockets located on either side outside the side edges of the reflector assembly.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Im Folgenden wird anhand der Zeichnungen ein Ausführungsbeispiel der Erfindung näher erläutert. Von diesen zeigen:

  • Fig. 1A und 1B eine skizzenartige Schnittdarstellung in einer Ebene parallel zur Längsachse eines Halogenstrahlers, und
  • Fig. 2 eine entsprechende skizzenartige Darstellung einer Ausführung der beanspruchten Erfindung. Fig. 1A und 1B zeigen ein Halogenstrahler-Heizsystem (IR/NIR-Strahlermodul), das eine Mehrzahl von langgestreckten Halogenstrahlern 5 als Strahlergruppe in einer Parallel-Anordnung (senkrecht zur Zeichnungsebene) umfasst, in zwei Betriebszuständen. Fig. 1A zeigt den ausgeschalteten (kalten) Zustand, während Fig. 1B den Betriebszustand (heißen Zustand) zeigt.
Das IR/NIR Strahlermodul besitzt einen gekühlten Reflektorträger 1,3, der eine konkave Oberfläche und zusätzliche Führungsleisten 8 zur Reflektorblechaufnahme hat. Als Reflektormaterial 2 wird vorzugsweise ein poliertes Aluminiumblech verwendet welches gegebenenfalls zur Reflexionsverbesserung eine oder mehrere Beschichtungen aus Aluminium, Silber oder Gold besitzt, welches u.U. zusätzlich mit einer Silikatschicht geschützt wird. Solche Materialien sind handelsüblich im Fachhandel zu beziehen und werden auch vielfach in der Beleuchtungstechnik eingesetzt. Der Reflektoreinsatz 2 ist geometrisch so ausgebildet, dass er sich im kalten Zustand einfach in die Führungsleisten einbringen lässt, evtl. unter Erzeugung einer leichten Vorspannung in Richtung des konkaven Reflektorträgers.In the following an embodiment of the invention will be explained in more detail with reference to the drawings. From these show:
  • Fig. 1A and 1B a sketch-like sectional view in a plane parallel to the longitudinal axis of a halogen radiator, and
  • Fig. 2 a corresponding sketch-like representation of an embodiment of the claimed invention. Fig. 1A and 1B show a halogen radiator heating system (IR / NIR radiator module), which comprises a plurality of elongated halogen lamps 5 as a radiator group in a parallel arrangement (perpendicular to the plane), in two operating states. Fig. 1A shows the off (cold) state while Fig. 1B shows the operating state (hot state).
The IR / NIR radiator module has a cooled reflector support 1, 3, which has a concave surface and additional guide rails 8 for reflecting plate receptacle. The reflector material 2 used is preferably a polished aluminum sheet which, if appropriate, has one or more coatings of aluminum, silver or gold for reflection improvement, which may additionally be protected with a silicate layer. Such materials are commercially available from specialist dealers and are also widely used in lighting technology. The reflector insert 2 is geometrically designed so that it can be easily introduced in the cold state in the guide rails, possibly to produce a slight bias in the direction of the concave reflector support.

Es besteht zu diesem Zeitpunkt noch kein Formschluss 4, und das Reflektorblech 2 ist dadurch auch einfach wieder zu entfernen. Dies ist zum Austausch bzw. zur Wartung notwendig.
Wird nun das Strahlungssystem 6 eingeschaltet, erwärmt sich das Reflektorblech 2 aufgrund der geringen Masse sehr schnell und dehnt sich dabei aus. Der gekühlte Reflektorträger 1,3 erwärmt sich aufgrund der Masse und der Kühlung nicht oder nur wenig und bleibt deshalb formstabil. Die Ausdehnung des Reflektorbleches führt dadurch zu einem Formschluss 4 zwischen Reflektorblech 2 und Reflektorträger 1,3 und dadurch wird nun auch das Reflektorblech 2 ausreichend gekühlt. Dieses ist jedoch kontinuierlich der Strahlung ausgesetzt, und dadurch bleibt dieser Formschluss und damit auch die Kühlwirkung während des Strahlung immer erhalten. Dieses Prinzip ist auch bei anderen Strahlungsquellen als Halogenstrahler einsetzbar.
Es besteht eine Einschränkung in der Art, dass die Reflektorform (im allgemeinsten Sinne) konkav sein muss um einen Formschluss zu gewährleisten. Diese Einschränkung kann aber dadurch kompensiert werden, dass mehrere Reflektoreinsätze verwendet werden, die somit eine einhüllende Geometrie bilden.There is no positive locking 4 at this time, and the reflector sheet 2 is thereby also easy to remove again. This is necessary for replacement or maintenance.
Now, if the radiation system 6 is turned on, the reflector plate 2 heats up very quickly due to the low mass and expands it. The cooled reflector carrier 1.3 does not heat or only slightly due to the mass and the cooling and therefore remains dimensionally stable. As a result, the expansion of the reflector sheet leads to a positive connection 4 between the reflector sheet 2 and reflector support 1, 3, and as a result, the reflector sheet 2 is now sufficiently cooled. However, this is continuously exposed to the radiation, and thus remains this positive connection and thus the cooling effect during radiation always obtained. This principle can also be used with other radiation sources as halogen lamps.
There is a limitation in the way that the reflector form (in the most general sense) must be concave to ensure a positive connection. However, this limitation can be compensated for by using a plurality of reflector inserts, which thus form an enveloping geometry.

Die beanspruchte Ausführungsart, wie in Fig. 2 skizzenartig gezeigt, ist durch einen Aufbau "Form in Form" gegeben. Hierbei gibt es einen gekühlten Primärträger 1,3 und einen ungekühlten Sekundärträger 7. Die Reflektorbleche werden wie oben beschrieben in diesen ungekühlten Träger 7 eingesetzt. Vorzugsweise werden in diesem Falle mehrere Reflektorbleche 2 verwendet, die eine gewollte Abbildungsgeometrie erzeugen. Die Rückseite dieses ungekühlten Trägers 7 ist konvex ausgeführt und wird in den konkav ausgeführten wassergekühlten Träger 1,3 eingesetzt. Auch hier existiert im kalten Zustand kein Formschluss. Dadurch ist der Wechsel dieses ungekühlten Trägers 7 mit den eingesetzten Reflektorblechen einfach möglich. Bei dieser Bauart bietet sich noch ein zusätzlicher (nicht gezeigter) Fixierungsstab an, der im kalten Zustand zwischen der Führungsleiste 8 des wasser- oder luftgekühlten Reflektorträgers 1,3 und dem Gegenprofil des ungekühlten Reflektorträgers 7 eingesetzt werden kann. Dadurch wird eine bessere Fixierung auch im kalten Zustand erreicht.The claimed embodiment, as in Fig. 2 sketched, is given by a construction "form in form". In this case, there is a cooled primary carrier 1, 3 and an uncooled secondary carrier 7. The reflector plates are inserted into this uncooled carrier 7 as described above. Preferably, a plurality of reflector sheets 2 are used in this case, which produce a desired imaging geometry. The back of this uncooled carrier 7 is convex and is inserted into the concave water-cooled carrier 1.3. Again, there is no positive connection in the cold state. As a result, the change of this uncooled carrier 7 with the reflector sheets used is easily possible. In this design, there is also an additional (not shown) fixing rod, which can be used in the cold state between the guide rail 8 of the water or air-cooled reflector support 1.3 and the counter-profile of the uncooled reflector support 7. As a result, a better fixation is achieved even when cold.

Wird das Strahlermodul eingeschaltet, so erwärmen sich zuerst die Reflektorbleche 2 und erzeugen einen Formschluss 4 mit dem ungekühlten Reflektorträger, der sich aufgrund der höheren Masse und der nicht direkten Bestrahlung nur langsam erwärmt. Ist der Formschluss mit den Reflektorblechen 2 erfolgt, so erwärmt sich der ungekühlte Reflektor 7 schneller und dehnt sich dadurch ebenfalls aus. Dies wiederum führt zu einem Formschluss mit dem wasser- oder luftgekühlten Reflektorträger 1,3 und somit zu einer effektiven Kühlung des gesamten Reflektoraufbaus.
Im kalten Zustand ist der Wechsel schnell, kostengünstig und ohne den Ausbau der Lampen möglich.If the radiator module is turned on, the reflector panels 2 first heat up and produce a positive connection 4 with the uncooled reflector support, which heats up only slowly due to the higher mass and the non-direct irradiation. If the positive connection with the reflector sheets 2 takes place, then the uncooled reflector 7 heats up faster and thereby likewise expands. This in turn leads to a positive connection with the water- or air-cooled reflector carrier 1.3 and thus to an effective cooling of the entire reflector structure.
In the cold state, the change is fast, inexpensive and without the removal of the lamps possible.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

  1. 1 Gekühlter Reflektorträger1 cooled reflector carrier
  2. 2 Reflektorblech2 reflector sheets
  3. 3 Luft- oder Wasserkühlung3 air or water cooling
  4. 4 Formschluss zwischen Reflektor und Träger4 positive connection between reflector and carrier
  5. 5 Halogenstrahler5 halogen spotlights
  6. 6 Wärmestrahlung der Halogenlampen6 heat radiation of the halogen lamps
  7. 7 Ungekühlter Reflekorträger7 Uncooled reflector carrier
  8. 8 Führungsleiste8 guide rail

Die beanspruchte Erfindung hat, mindestens in zweckmäßigen Ausführungen, im Übrigen folgende zusätzliche Aspekte:

  1. 1. Der Reflektorträger ist derart ausgeführt, dass er mehrere Reflektorbleche nebeneinander aufnehmen kann.
  2. 2. Das Reflektorblech hat eine Dicke zwischen 0,2 mm und 2 mm, vorzugsweise zwischen 0,5 mm und 1 mm.
  3. 3. Der ungekühlte Reflektorträger kann mehrere Reflektorbleche aufnehmen, die derart angeordnet sind, dass die reflektierte Strahlung eine gewünschte und gerichtete Strahlungsverteilung erzeugt.
  4. 4. Die Reflektorblechanordnung ist parallel zu den Strahlern ausgerichtet, und dadurch wird eine bessere Ausrichtung der resultierenden, reflektierten Strahlung ermöglicht.
  5. 5. Die verwendeten Halogenstrahler haben ein Strahlungsmaximum zwischen 0,8 µm und 2 µm.
  6. 6. Das Strahlungsmodul nimmt eine Vielzahl von Strahlern auf und die Reflektorblechlänge weisen bis zu mehr als 1 m auf.
  7. 7. Die Reflexionsfläche setzen sich aus mehreren einzelnen Reflektorblechen zusammen.
  8. 8. Die eingesetzten Halogenstrahler weisen eine Strahlungsdichte zwischen 10 kW/m2 und 1000 kW/ m2 auf, vorzugsweise eine Strahlungsdichte zwischen 50kW/m2 und 250 kW/m2.
The claimed invention has, incidentally, at least in appropriate embodiments, the following additional aspects:
  1. 1. The reflector support is designed such that it can accommodate several reflector sheets side by side.
  2. 2. The reflector sheet has a thickness between 0.2 mm and 2 mm, preferably between 0.5 mm and 1 mm.
  3. 3. The uncooled reflector support can accommodate a plurality of reflector sheets, which are arranged such that the reflected radiation generates a desired and directed radiation distribution.
  4. 4. The reflector plate assembly is aligned parallel to the radiators, thereby enabling better alignment of the resulting reflected radiation.
  5. 5. The halogen lamps used have a radiation maximum between 0.8 μm and 2 μm.
  6. 6. The radiation module receives a plurality of radiators and the reflector plate length are up to more than 1 m.
  7. 7. The reflection surface is composed of several individual reflector sheets.
  8. 8. The halogen lamps used have a radiation density between 10 kW / m 2 and 1000 kW / m 2 , preferably a radiation density between 50kW / m 2 and 250 kW / m 2 .

Claims (10)

  1. A reflector arrangement of a halogen radiator heating system comprising a plurality of elongated halogen radiators arranged in a group parallel to each other and in which the radiation is reflected by a metallic reflector arranged on one side of the radiator group to the other side of the radiator group, wherein the reflector arrangement comprises a concave water- or air-cooled reflector carrier with guiding gibs and an interchangeable reflector element replaceably inserted into the reflector carrier, the reflector carrier and the interchangeable reflector element being formed in such a way that, in the operating state, the heating of the alternating reflector element and the resulting expansion and expansion obstruction by the guiding gips result in a positive engagement and thermal conduction contact with the concave reflector carrier, as a result of which heat is dissipated from the interchangeable reflector element into the reflector carrier, whereas in the switched-off state there is no positive engagement and the interchangeable reflector element can be quickly replaced,
    the reflector carrier comprising a cooled primary carrier having a concave surface and an uncooled secondary carrier having a convex surface fitting into the concave surface of the primary carrier, the uncooled secondary carrier in turn having at least one concave surface and a guiding gib, into which the or an interchangeable reflector element is insertable such that heat is dissipated from the interchangeable reflector element into the reflector carrier, whereas in the switched-off state there is no positive connection and the interchangeable reflector element can be quickly replaced.
  2. The reflector arrangement according to Claim 1, wherein the primary carrier comprises first guiding gibs for holding the secondary carrier and the secondary support having second guiding gibs for holding the or each interchangeable reflector element.
  3. The reflector arrangement according to Claim 1 or 2, wherein the secondary carrier has a plurality of concave surfaces arranged side by side in the direction perpendicular to the longitudinal axis of the halogen radiators, into which surfaces an interchangeable reflector element is inserted in each case.
  4. The reflector arrangement according to one of the preceding claims, wherein the interchangeable reflector element is in the form of a reflector sheet which in particular has a thickness between 0.2 mm and 2 mm, in particular between 0.5 mm and 1 mm.
  5. Reflector arrangement according to Claim 4, wherein the interchangeable reflector element is formed as a spring-elastic reflector sheet, in particular of resilient aluminium or stainless steel.
  6. Reflector arrangement according to one of the preceding claims, wherein the reflector carrier and the inserted interchangeable reflector element are each formed concave, symmetrically identical to a mirror plane, on which a longitudinal axis of the elongated halogen radiators stands perpendicularly, and wherein the guide rails of the reflector carrier run parallel to the mirror plane.
  7. Halogen radiator heating system comprising a plurality of elongated halogen radiators arranged in a group parallel to each other and a reflector arrangement according to the preceding claims, the width of the reflector arrangement substantially corresponding to the length of the halogen radiators.
  8. A halogen radiator heating system according to Claim 7, wherein the halogen radiators for generating radiation in the near infrared range have a maximum intensity between 0.8 mm and 2mm.
  9. A halogen radiator heating system according to Claim 7 or 8, in which halogen radiators are inserted and which comprises a geometric configuration by which a radiation density is generated in the range between 10kW/m2 and 1000kW/m2, in particular in the range between 50kW/m2 and 250kW/m2, on the opening surface of the reflector arrangement.
  10. A halogen radiator heating system according to any one of claims 7 to 9, wherein the halogen radiators have angled or bent ends and are mounted in sockets disposed on both sides outside the side edges of the reflector arrangement.
EP12743361.3A 2011-05-27 2012-05-29 Reflector arrangement and halogen lamp heating system Active EP2715219B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011103357A DE102011103357A1 (en) 2011-05-27 2011-05-27 Interchangeable optical
PCT/DE2012/000567 WO2012163333A1 (en) 2011-05-27 2012-05-29 Reflector arrangement and halogen heating system

Publications (2)

Publication Number Publication Date
EP2715219A1 EP2715219A1 (en) 2014-04-09
EP2715219B1 true EP2715219B1 (en) 2018-11-21

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EP (1) EP2715219B1 (en)
CN (1) CN103842716B (en)
DE (1) DE102011103357A1 (en)
HU (1) HUE041748T2 (en)
WO (1) WO2012163333A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE340257B (en) * 1968-11-13 1971-11-15 Infraroedteknik Ab
GB2349684B (en) * 1996-08-02 2001-01-17 Nordson Corp Lamp assembly
US6242717B1 (en) * 1999-08-30 2001-06-05 Lucent Technologies Inc. Removable reflector rack for an ultraviolet curing oven
DE10051642B4 (en) * 2000-10-18 2009-06-25 Advanced Photonics Technologies Ag irradiation device
DE10052197A1 (en) * 2000-10-20 2002-05-02 Advanced Photonics Tech Ag To fix dyes at woven fabric piecegoods, and especially dye pastes, the dyed fabric is exposed to infra red radiation in a combined drying and fixing stage to give increased resistance to color fading
US7075037B2 (en) * 2001-03-02 2006-07-11 Tokyo Electron Limited Heat treatment apparatus using a lamp for rapidly and uniformly heating a wafer
US6720566B2 (en) * 2002-08-20 2004-04-13 Miltec Corporation Shutter for use with a light source
DE20304747U1 (en) * 2003-03-24 2003-07-31 Baier Uv Gmbh & Co Kg Captive holder for reflective plates in reflector cooling profiles in radiation dryers holds reflector plate against cooling profile by suitably shaped holding strip, captive attachment elements
DE102006028702B4 (en) * 2006-06-22 2009-06-25 Advanced Photonics Technologies Ag irradiation device
JP2008060204A (en) * 2006-08-30 2008-03-13 Nec Lcd Technologies Ltd Led back light unit and liquid display device using the same

Also Published As

Publication number Publication date
EP2715219A1 (en) 2014-04-09
WO2012163333A1 (en) 2012-12-06
CN103842716A (en) 2014-06-04
DE102011103357A1 (en) 2012-11-29
HUE041748T2 (en) 2019-05-28
CN103842716B (en) 2016-02-17

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