EP0467056A2 - Trough-shaped reflector for lamps - Google Patents

Trough-shaped reflector for lamps Download PDF

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Publication number
EP0467056A2
EP0467056A2 EP91108876A EP91108876A EP0467056A2 EP 0467056 A2 EP0467056 A2 EP 0467056A2 EP 91108876 A EP91108876 A EP 91108876A EP 91108876 A EP91108876 A EP 91108876A EP 0467056 A2 EP0467056 A2 EP 0467056A2
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EP
European Patent Office
Prior art keywords
reflector trough
bulkheads
reflector
optics
trough
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.)
Granted
Application number
EP91108876A
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German (de)
French (fr)
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EP0467056B1 (en
EP0467056A3 (en
Inventor
Hans Lenz
Thomas Dipl.-Ing. Schmölz
Michael Spiegel
Karl Spiegel
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Zumtobel AG
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Zumtobel AG
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Publication of EP0467056A2 publication Critical patent/EP0467056A2/en
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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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts

Definitions

  • the present invention relates to a reflector trough for lights with a mirror optic arranged inside the reflector trough.
  • such reflector trays are either recessed into a ceiling, attached to a ceiling or suspended from a ceiling.
  • the bending stiffness is a problem with such luminaire trays, in view of the fact that relatively thin and weak-walled material is to be used for such a reflector trough. It is known to provide such reflector troughs with beads running in the longitudinal direction and possibly also in the transverse direction; however, this requires its own manufacturing processes, which significantly increases the manufacturing costs of such a reflector trough.
  • the reflector trough serves to hold the optics, which is relatively unstable in itself because it itself consists of thin-walled sheet material.
  • the target contour of the reflectors corresponds exactly to the pre-calculated and predetermined curves and is also not changed by the installation in the reflector trough.
  • the reflector trough must therefore contribute to supporting the rigidity of the optics.
  • the invention is therefore based on the object of developing a reflector trough of the type mentioned in such a way that it can be produced from a relatively thin-walled material and yet ensures the required flexural rigidity, dimensional stability and fixes and maintains the desired position and contour of the optics to be used.
  • the invention is characterized in that the reflector trough consists of a thin-walled sheet material, and that transverse bulkheads are arranged in the longitudinal direction over the length of the reflector trough, which are connected to the reflector trough.
  • An essential feature of the present invention is therefore the increase in the bending stiffness of a reflector trough of the type mentioned at the beginning by means of bulkheads or stiffening ribs which are arranged transversely to the longitudinal axis and at a mutual distance from one another and are connected to the reflector trough.
  • each bulkhead is connected to the corresponding walls of the reflector trough by spot welds which are at a mutual distance from one another. This results in a type of structure characteristic because the bulkhead is only connected to the cross-section of the reflector trough in the area of these spot welds.
  • the bulkheads have corresponding detachable brackets, e.g. Rag, which engage in corresponding slots in the reflector pan, is attached.
  • the bulkhead is screwed, riveted or glued to the reflector trough.
  • the bulkheads are attached to the outside of the reflector trough, i.e. So encompass the reflector trough, in which case the inner circumference of the respective bulkhead is connected to the outer wall of the reflector trough via the fastenings described above.
  • a sheet metal with a thickness of 0.6 mm is used as the material for the reflector trough. It has been found that if one stiffens such a reflector trough with bulkheads according to the innovation, these bulkheads being made of 2 mm thick iron sheet and having a height of 6 mm, an excellent bending stiffness of such a reflector trough is achieved.
  • This accuracy is ideal for holding and positioning the optics without the optics themselves needing stiffeners.
  • Such stiffeners used to be separate bulkheads that were arranged in the area of the optics themselves or beads or the like in order to increase the flexural rigidity of the optics.
  • the optics can now be simply clipped on because of the low width tolerances to be achieved and can therefore be easily replaced.
  • Another advantage of the present invention is that the inner circumference of the bulkheads (if the bulkheads are mounted inside the reflector trough) now defines the target contour for the optics to be inserted. If, for example, a reflector profile is introduced, then this reflector profile can positively contact the bulkhead defining the target contour and thereby obtains its required dimensional accuracy, so that the lamp corresponds exactly to the required light parameters during operation.
  • Another advantage of the present invention is that the attachment between the optical design elements and the reflector trough can not only be attached to the reflector trough itself, but that the bulkheads themselves can also form attachment points.
  • This is associated with the essential advantage that the fastening means between the optical design elements and the reflector trough itself can no longer be seen from the outside, because the fastening takes place in the area of the bulkheads.
  • Such fasteners are not necessarily holding means between the optics and the reflector trough (since it has already been stated that such connecting means can be arranged only in the region of the reflector trough), but are securing means which e.g. ensure that when the grid is removed, this grid can still be held on one side on the reflector trough in order to be able to easily replace the fluorescent lamp and / or the starter.
  • the reflector trough according to FIG. 1 essentially consists of a bending profile which is profiled in a continuous process on a profiling system and is unwound from a coil.
  • the reflector trough could consist of a bent profile or an extruded profile.
  • the reflector trough 1 consists of a plurality of profile pieces 2, 3, 3 a, 4 which are set apart from one another, starting from a horizontal profile piece, which is followed laterally by inclined profile pieces 3, 4.
  • This leg then forms the stop 9 for the optics to be suspended and positioned there, which in the exemplary embodiment shown consists of a mirror optic 6 and a lamp 10.
  • the mirror optics 6 here consist of a relatively thin-walled reflector plate, the curvature of which is precisely calculated using lighting technology and which must be positioned in the reflector trough 1 with high accuracy.
  • the mirror optic 6 is folded in its lower area via a horizontal leg 7, which in turn merges into a vertical locking leg 8. In the area of this locking leg, the stop edge 9 is formed, with which the mirror optics 6 rests on the bevel 5.
  • the distance between the mutually opposite stop edges of the left and right side of the reflector trough 1 is critical and, according to the innovation, is positioned with a tolerance of + - 0.3 mm.
  • bulkheads 11 are provided in accordance with the innovation, which (see FIG. 3) are distributed over the longitudinal direction of the reflector trough 1 and are arranged at a mutual distance from one another in the reflector trough 1 and are fastened thereto.
  • the bulkhead 11 consists of a sheet steel profile, which is connected to the inside of the reflector trough 1 via a plurality of spaced apart connection points 13.
  • the connection points 13 are here, for example, as a point welds formed.
  • connection points 13 distances 14 are formed between the outer circumference of the bulkhead 11 and the inner circumference of the reflector trough 1. These distances 14 are important if the entire part e.g. is dip-coated or spray-painted so that the paint streams can then drain off.
  • the sections 12 of the bulkhead 11 which are set apart from one another therefore act like structural rods which are subjected to tension or pressure between the connection points 13.
  • fastening recesses 15 can be provided at any point where fastening or securing means can be provided for holding the mirror optics 6.
  • FIG. 2 shows a further embodiment of the invention, where a reflector trough 20 is designed in duplicate as in FIG. 1, and in this case carries two illuminants in parallel and at a mutual distance, which are each provided with their own or a common mirror optics 26. Otherwise, the same explanations apply as in FIG. 1, except that the bulkhead 21 shown there is connected to the inside of the reflector trough 20 via several, namely six connection points and not, as shown in FIG. 1, four connection points 13.
  • three bulkheads 11, 21 are introduced with a length of a reflector trough of, for example, 1520 mm, which is sufficient for the stiffening of the reflector trough. It is also important that the first bulkhead 21 is at a distance 23 from the end face 16 of the reflector trough 20 in order to create space in the end face area for the attachment 17 of the reflector trough 20 to an equipment rack or the like.
  • the distance 22 between the bulkheads 21 is then chosen to be as uniform as possible.
  • the inner circumference 18 of the bulkheads is matched to the target contour of the mirror optics 6, i.e. the mirror optics then lies in a form-fitting manner at least at points on the inner circumference 18 of the respective bulkhead 11, 21.
  • FIG. 4 which shows a further reflector trough 30, in which the bulkheads 31 are arranged in the manner described above, the inner contour 32 of which corresponds exactly to the shape of the mirror optics 36 used.
  • the bulkhead 31 serves here as a fastening for the mirror optics 36, which is screwed here via a screw connection 37 to the inner contour 32 of the bulkhead 31, so that the mirror optics 36 used take up the inner contour 32 of the bulkhead 31.
  • the bulkhead 31 here forms a vertical leg 33 on the edge, which forms a lower nose 29, onto which the mirror optics 36 are pushed with an offset 38.
  • This exemplary embodiment therefore shows that the inner contour 32 defines and determines the contour of the mirror optics 36.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Planar Illumination Modules (AREA)
  • Lasers (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

A trough-shaped reflector is described for a light with an optical mirror system disposed within the trough-shaped reflector. The trough- shaped reflector is manufactured from a thin-walled sheet metal material, where transversely running supports, which are connected to the trough-shaped reflector, are disposed, distributed in a longitudinal direction along the length of the trough-shaped reflector at a distance from one another.

Description

Gegenstand der vorliegenden Erfindung ist eine Reflektorwanne für Leuchten mit einer innerhalb der Reflektorwanne angeordneten Spiegeloptik.The present invention relates to a reflector trough for lights with a mirror optic arranged inside the reflector trough.

Derartige Reflektorwannen werden in Kombination mit einem Geräteträger und einem Tragsystem entweder versenkt in eine Decke eingebaut, auf einer Decke befestigt oder von einer Decke abgehängt.In combination with an equipment rack and a support system, such reflector trays are either recessed into a ceiling, attached to a ceiling or suspended from a ceiling.

Problematisch bei derartigen Leuchtenwannen ist die Biegesteifigkeit, im Hinblick darauf, daß man relativ dünnes und schwachwandiges Material für eine derartige Reflektorwanne verwenden will. Es ist zwar bekannt, derartige Reflektorwannen mit in Längsrichtung und evtl. auch in Querrichtung verlaufenden Sicken zu versehen; dies bedarf jedoch eigener Fertigungsprozesse, was die Herstellungskosten einer derartigen Reflektorwanne wesentlich erhöht.The bending stiffness is a problem with such luminaire trays, in view of the fact that relatively thin and weak-walled material is to be used for such a reflector trough. It is known to provide such reflector troughs with beads running in the longitudinal direction and possibly also in the transverse direction; however, this requires its own manufacturing processes, which significantly increases the manufacturing costs of such a reflector trough.

Bisher hatte man deshalb relativ starkwandige Reflektorwannen verwendet, um die erforderliche Biegesteifigkeit und Positioniergenauigkeit für die dort einzubringende Optik zu gewährleisten. Bekannterweise dient die Reflektorwanne zur Halterung der Optik, die in sich relativ labil ist, weil sie selbst aus dünnwandigem Blechmaterial besteht. Insbesondere bei Spiegel- und Rasterleuchten kommt es entscheidend darauf an, daß die Sollkontur der Reflektoren genau den vorberechneten und vorbestimmten Kurven entspricht und auch nicht durch den Einbau in die Reflektorwanne verändert wird. Die Reflektorwanne muß also zur Unterstützung der Steifigkeit der Optik beitragen.So far, therefore, relatively thick-walled reflector troughs had been used to ensure the required bending stiffness and positioning accuracy for the optics to be introduced there. As is known, the reflector trough serves to hold the optics, which is relatively unstable in itself because it itself consists of thin-walled sheet material. In the case of mirror and louvre luminaires in particular, it is crucial that the target contour of the reflectors corresponds exactly to the pre-calculated and predetermined curves and is also not changed by the installation in the reflector trough. The reflector trough must therefore contribute to supporting the rigidity of the optics.

Der Erfindung liegt deshalb die Aufgabe zugrunde, eine Reflektorwanne der eingangs genannten Art so weiterzubilden, daß sie aus einem relativ dünnwandigen Material hergestellt werden kann und dennoch die erforderliche Biegesteifigkeit, Maßhaltigkeit gewährleistet und die Sollposition und -Kontur der einzusetzenden Optik festsetzt und aufrechterhält.The invention is therefore based on the object of developing a reflector trough of the type mentioned in such a way that it can be produced from a relatively thin-walled material and yet ensures the required flexural rigidity, dimensional stability and fixes and maintains the desired position and contour of the optics to be used.

Zur Lösung der gestellten Aufgabe ist die Erfindung dadurch gekennzeichnet, daß die Reflektorwanne aus einem dünnwandigen Blechmaterial besteht, und daß in Längsrichtung über die Länge der Reflektorwanne verteilt in gegenseitigem Abstand querverlaufende Schotten angeordnet sind, die mit der Reflektorwanne verbunden sind.To achieve the object, the invention is characterized in that the reflector trough consists of a thin-walled sheet material, and that transverse bulkheads are arranged in the longitudinal direction over the length of the reflector trough, which are connected to the reflector trough.

Wesentliches Merkmal der vorliegenden Erfindung ist also die Erhöhung der Biegesteifigkeit einer Reflektorwanne der eingangs genannten Art durch quer zu der Längsachse und in gegenseitigem Abstand voneinander angeordnete Schotte oder Versteifungsrippen, die mit der Reflektorwanne verbunden sind.An essential feature of the present invention is therefore the increase in the bending stiffness of a reflector trough of the type mentioned at the beginning by means of bulkheads or stiffening ribs which are arranged transversely to the longitudinal axis and at a mutual distance from one another and are connected to the reflector trough.

Für die Verbindung derartiger Schotten mit der Reflektorwanne gibt es mehrere verschiedene Ausführungsformen. In einer ersten Ausführungsform ist hierbei vorgesehen, daß jede Schotte über Punktschweißungen, die einen gegenseitigen Abstand voneinander einnehmen, mit den entsprechenden Wänden der Reflektorwanne verbunden ist. Es ergibt sich hiermit eine Art von Tragwerkcharakteristik, weil die Schotte nur punktweise im Bereich dieser Punktschweißungen mit dem Querschnitt der Reflektorwanne verbunden ist.There are several different embodiments for connecting such bulkheads to the reflector trough. In a first embodiment, it is provided here that each bulkhead is connected to the corresponding walls of the reflector trough by spot welds which are at a mutual distance from one another. This results in a type of structure characteristic because the bulkhead is only connected to the cross-section of the reflector trough in the area of these spot welds.

In einer anderen Ausführungsform ist es vorgesehen, daß die Schotte über entsprechende lösbare Halterungen, wie z.B. Lappen, die in entsprechende Schlitze der Reflektorwanne eingreifen, befestigt ist.In another embodiment it is provided that the bulkheads have corresponding detachable brackets, e.g. Rag, which engage in corresponding slots in the reflector pan, is attached.

In einer dritten Ausführungsform ist vorgesehen, daß die Schotte an die Reflektorwanne angeschraubt, genietet oder geklebt ist.In a third embodiment it is provided that the bulkhead is screwed, riveted or glued to the reflector trough.

Wichtig bei der vorliegenden Erfindung ist also die Anordnung von querverlaufenden, die Biegesteifigkeit der Reflektorwanne erhöhenden Profilen, die in die Reflektorwanne eingebaut sind.What is important in the present invention is the arrangement of transverse profiles which increase the bending stiffness of the reflector trough and which are built into the reflector trough.

In einer anderen Ausführungsform ist es vorgesehen, daß die Schotten außen an der Reflektorwanne befestigt sind, d.h. also die Reflektorwanne umgreifen, wobei dann der Innenumfang des jeweiligen Schottes mit der Außenwandung der Reflektorwanne über die oben beschriebenen Befestigungen verbunden ist.In another embodiment it is provided that the bulkheads are attached to the outside of the reflector trough, i.e. So encompass the reflector trough, in which case the inner circumference of the respective bulkhead is connected to the outer wall of the reflector trough via the fastenings described above.

In einer bevorzugten Ausführungsform der vorliegenden Erfindung wird als Material für die Reflektorwanne ein Feinblech mit einer Dicke von 0,6 mm verwendet. Es hat sich herausgestellt, daß, wenn man eine derartige Reflektorwanne mit Schotten nach der Neuerung versteift, wobei diese Schotten aus 2 mm starkem Eisenblech bestehen und eine Höhe von 6 mm aufweisen, daß eine ausgezeichnete Biegesteifigkeit einer derartigen Reflektorwanne erreicht wird.In a preferred embodiment of the present invention, a sheet metal with a thickness of 0.6 mm is used as the material for the reflector trough. It has been found that if one stiffens such a reflector trough with bulkheads according to the innovation, these bulkheads being made of 2 mm thick iron sheet and having a height of 6 mm, an excellent bending stiffness of such a reflector trough is achieved.

Die oben genannten Dimensionsangaben sind nur beispielshaft und können selbstverständlich auch noch unterschritten werden. Bei einer derartigen Reflektorwanne erreicht man bei einer Breite von 255 mm und einer Höhe von etwa 88 mm eine Breitentoleranz der Öffnung im Bereich von +- 0,3 mm.The dimensions given above are only examples and can of course also be undercut. With a reflector trough of this type, a width tolerance of the opening in the range of + - 0.3 mm is achieved with a width of 255 mm and a height of approximately 88 mm.

Diese Genauigkeit ist ideal, um die Optik zu halten und zu positionieren, ohne daß die Optik selbst eigene Versteifungsmittel braucht. Derartige Versteifungsmittel waren früher eigene Schotte, die im Bereich der Optik selbst angeordnet waren oder Sicken oder dergleichen, um die Biegesteifigkeit der Optik zu erhöhen.This accuracy is ideal for holding and positioning the optics without the optics themselves needing stiffeners. Such stiffeners used to be separate bulkheads that were arranged in the area of the optics themselves or beads or the like in order to increase the flexural rigidity of the optics.

Mit der gegebenen, erfindungsgemäßen Breitetoleranz im Bereich von +- 0,3 mm gelingt es nun auch, daß man die einzuhängende Optik nicht mehr über feste Verbindungsmittel, wie z.B. Schrauben oder Nieten mit der Reflektorwanne verbinden muß, sondern daß die Optik einfach eingeschnappt werden kann. Die bisher bekannten Befestigungsarten sahen nämlich Befestigungsmittel wie z.B. Nieten, Schrauben oder Federn für die mit der Reflektorwanne zu verbindende Optik vor. Nachteilig war hierbei die aufwendige Befestigung.With the given width tolerance according to the invention in the range of + - 0.3 mm, it is now also possible that the optics to be hooked in no longer have to be connected to the reflector trough by means of fixed connecting means, such as screws or rivets, but that the optics can simply be snapped into place . The previously known Befe Types of fixation provided for fastening means such as rivets, screws or springs for the optics to be connected to the reflector trough. The disadvantage here was the complex attachment.

Nach der vorliegenden Erfindung kann wegen der zu erreichenden niedrigen Breitentoleranzen nun die Optik einfach eingeclipst werden und ist deshalb leicht auswechselbar.According to the present invention, the optics can now be simply clipped on because of the low width tolerances to be achieved and can therefore be easily replaced.

Ein weiterer Vorteil der vorliegenden Erfindung ist, daß nun der Innenumfang der Schotte (sofern die Schotte innen in der Reflektorwanne angebracht sind) nun gleichzeitig die Sollkontur für die einzubringende Optik definiert. Wird beispielsweise ein Reflektorprofil eingebracht, dann kann sich dieses Reflektorprofil formschlüssig an die die Sollkontur definierende Schotte anlegen und erhält dadurch seine erforderliche Maßhaltigkeit, so daß die Leuchte im Betrieb genau den erforderlichen Lichtparametern entspricht.Another advantage of the present invention is that the inner circumference of the bulkheads (if the bulkheads are mounted inside the reflector trough) now defines the target contour for the optics to be inserted. If, for example, a reflector profile is introduced, then this reflector profile can positively contact the bulkhead defining the target contour and thereby obtains its required dimensional accuracy, so that the lamp corresponds exactly to the required light parameters during operation.

Statt der beschriebenen Formschlußverbindung zwischen dem in die Reflektorwanne einzusetzenden Reflektor und den Schotten ist es auch möglich, die Schotte selbst als Anschlag zu verwenden, so daß dann die Reflektoren und dergleichen optische Elemente mehr in Anschlagposition an den Schotten anliegen und hierbei ihre lichttechnisch vorberechnete Kurve erhalten.Instead of the positive connection described between the reflector to be inserted into the reflector trough and the bulkheads, it is also possible to use the bulkheads themselves as a stop, so that the reflectors and the like optical elements are more in contact with the bulkheads in the stop position and thereby receive their pre-calculated curve in terms of lighting technology .

Ein weiterer Vorteil der vorliegenden Erfindung ist, daß nun die Befestigung zwischen den optischen Gestaltungselementen und der Reflektorwanne nicht nur an der Reflektorwanne selbst angebracht werden kann, sondern daß die Schotten selbst auch Befestigungspunkte bilden können. Das ist mit dem wesentlichen Vorteil verbunden, daß man die Befestigungsmittel zwischen den optischen Gestaltungselementen und der Reflektorwanne selbst nicht mehr von außen her sieht, weil die Befestigung verdeckt im Bereich der Schotte erfolgt. Derartige Befestigungsmittel sind nicht unbedingt Halterungsmittel zwischen der Optik und der Reflektorwanne (nachdem ja vorher ausgeführt wurde, daß derartige Verbindungsmittel allein im Bereich der Reflektorwanne angeordnet sein können), sondern es handelt sich hierbei um Sicherungsmittel, die z.B. dafür sorgen, daß bei herausgenommenem Raster dieses Raster noch an einer Seite an der Reflektorwanne gehalten werden kann, um ohne weiteres die Leuchtstofflampe und/oder den Starter auswechseln zu können.Another advantage of the present invention is that the attachment between the optical design elements and the reflector trough can not only be attached to the reflector trough itself, but that the bulkheads themselves can also form attachment points. This is associated with the essential advantage that the fastening means between the optical design elements and the reflector trough itself can no longer be seen from the outside, because the fastening takes place in the area of the bulkheads. Such fasteners are not necessarily holding means between the optics and the reflector trough (since it has already been stated that such connecting means can be arranged only in the region of the reflector trough), but are securing means which e.g. ensure that when the grid is removed, this grid can still be held on one side on the reflector trough in order to be able to easily replace the fluorescent lamp and / or the starter.

Die Erfindung wird nun anhand von mehreren Ausführungsbeispielen näher erläutert. Hierbei ergeben sich aus der Neuerung und der Beschreibung der Zeichnungen weitere Vorteile und Merkmale der Neuerung:The invention will now be explained in more detail using several exemplary embodiments. The innovation and description of the drawings result in further advantages and features of the innovation:

Es zeigen:

  • Figur 1: schematisiert im Schnitt ein erstes Ausführungsbeispiel einer Reflektorwanne mit eingesetzten Schotten,
  • Figur 2: ein zweites Ausführungsbeispiel einer Reflektorwanne,
  • Figur 3: Draufsicht auf die Reflektorwanne nach Figur 2 in Pfeilrichtung 111 in Figur 2,
  • Figur 4: ein Ausführungsbeispiel von Schotten mit formschlüssiger Anlage der Spiegeloptik.
Show it:
  • Figure 1: schematically in section, a first embodiment of a reflector trough with inserted bulkheads,
  • FIG. 2: a second exemplary embodiment of a reflector trough,
  • FIG. 3: top view of the reflector trough according to FIG. 2 in the direction of arrow 111 in FIG. 2,
  • Figure 4: an embodiment of bulkheads with a positive system of mirror optics.

Die Reflektorwanne nach Figur 1 besteht im wesentlichen aus einem Biegeprofil, welches im Durchlaufverfahren auf einer Profilieranlage profiliert wird und hierbei von einem Coil abgewickelt wird.The reflector trough according to FIG. 1 essentially consists of a bending profile which is profiled in a continuous process on a profiling system and is unwound from a coil.

In einer anderen Ausführungsform könnte die Reflektorwanne aus einem Abkantprofil bestehen oder aus einem Strangpressprofil.In another embodiment, the reflector trough could consist of a bent profile or an extruded profile.

Die Reflektorwanne 1 besteht aus mehreren voneinander abgesetzten Profilstücken 2,3,3a,4, wobei ausgehend von einem horizontalen Profilstück sich seitlich im Winkel daran anschließende geneigte Profilstücke 3,4 anschließen.The reflector trough 1 consists of a plurality of profile pieces 2, 3, 3 a, 4 which are set apart from one another, starting from a horizontal profile piece, which is followed laterally by inclined profile pieces 3, 4.

Wichtig ist, daß das untere Profilstück 4 in eine Abkantung 5 übergeht, die einen nach oben gerichteten, vertikalen Schenkel bildet.It is important that the lower profile piece 4 merges into a bevel 5 which forms an upwardly directed, vertical leg.

Dieser Schenkel bildet dann den Anschlag 9 für die dort einzuhängende und zu positionierende Optik, die im gezeigten Ausführungsbeispiel aus einer Spiegeloptik 6 besteht und aus einem Leuchtmittel 10.This leg then forms the stop 9 for the optics to be suspended and positioned there, which in the exemplary embodiment shown consists of a mirror optic 6 and a lamp 10.

Die Spiegeloptik 6 besteht hierbei aus einem relativ dünnwandigem Reflektorblech, welches in seiner Krümmung lichttechnisch genau berechnet ist und welches mit hoher Genauigkeit in der Reflektorwanne 1 positioniert werden muß.The mirror optics 6 here consist of a relatively thin-walled reflector plate, the curvature of which is precisely calculated using lighting technology and which must be positioned in the reflector trough 1 with high accuracy.

Hierzu ist die Spiegeloptik 6 in ihrem unteren Bereich über einen horizontalen Schenkel 7 abgekantet, der seinerseits in einem vertikalen Rastschenkel 8 übergeht. Im Bereich dieses Rastschenkels ist die Anschlagkante 9 ausgebildet, mit der die Spiegeloptik 6 auf der Abkantung 5 aufliegt.For this purpose, the mirror optic 6 is folded in its lower area via a horizontal leg 7, which in turn merges into a vertical locking leg 8. In the area of this locking leg, the stop edge 9 is formed, with which the mirror optics 6 rests on the bevel 5.

Der Abstand zwischen den einander gegenüberliegenden Anschlagkanten der linken und rechten Seite der Reflektorwanne 1 ist kritisch und wird neuerungsgemäß mit der Toleranz von + - 0,3 mm positioniert.The distance between the mutually opposite stop edges of the left and right side of the reflector trough 1 is critical and, according to the innovation, is positioned with a tolerance of + - 0.3 mm.

Zur Erreichung dieser ausgezeichneten Positioniergenauigkeit für die Spiegeloptik 6 sind neuerungsgemäß Schotte 11 vorgesehen, die (vergl. Figur 3) über die Längsrichtung der Reflektorwanne 1 verteilt in gegenseitigem Abstand parallel zueinander in der Reflektorwanne 1 angeordnet und mit dieser befestigt sind.In order to achieve this excellent positioning accuracy for the mirror optics 6, bulkheads 11 are provided in accordance with the innovation, which (see FIG. 3) are distributed over the longitudinal direction of the reflector trough 1 and are arranged at a mutual distance from one another in the reflector trough 1 and are fastened thereto.

Im gezeigten Ausführungsbeispiel nach Figur 1 besteht das Schott 11 aus einem Stahlblechprofil, welches über mehrere voneinander abgesetzte Verbindungspunkte 13 mit der Innenseite der Reflektorwanne 1 verbunden ist. Die Verbindungspunkte 13 sind hier beispielsweise als Punktschweißungen ausgebildet.In the exemplary embodiment shown in FIG. 1, the bulkhead 11 consists of a sheet steel profile, which is connected to the inside of the reflector trough 1 via a plurality of spaced apart connection points 13. The connection points 13 are here, for example, as a point welds formed.

Wichtig ist, daß zwischen den Verbindungspunkten 13 Abstände 14 zwischen dem Außenumfang des Schottes 11 und dem Innenumfang der Reflektorwanne 1 gebildet sind. Diese Abstände 14 sind wichtig, wenn das gesamte Teil z.B. tauchlakkiert oder spritzlackiert wird, daß dann die Lackströme abfließen können.It is important that between the connection points 13 distances 14 are formed between the outer circumference of the bulkhead 11 and the inner circumference of the reflector trough 1. These distances 14 are important if the entire part e.g. is dip-coated or spray-painted so that the paint streams can then drain off.

Die Ausbildung von voneinander einen gegenseitigen Abstand einnehmenden Befestigungspunkten 13 hat den weiteren Vorteil, daß diese wie in der Art eines Tragwerkes die Reflektorwanne 1 innen aussteifen.The formation of mutually spaced fastening points 13 has the further advantage that they stiffen the reflector trough 1 as in the manner of a supporting structure.

Die voneinander abgesetzten Abschnitte 12 des Schottes 11 wirken deshalb wie Tragwerksstäbe, die auf Zug oder Druck zwischen den Verbindungspunkten 13 beansprucht werden.The sections 12 of the bulkhead 11 which are set apart from one another therefore act like structural rods which are subjected to tension or pressure between the connection points 13.

Wichtig ist, daß im Bereich des Schottes 11 noch an beliebigen Stellen Befestigungsausnehmungen 15 vorgesehen werden können, wo Befestigungs- oder Sicherungsmittel für die Halterung der Spiegeloptik 6 vorgesehen sein können.It is important that in the area of the bulkhead 11 fastening recesses 15 can be provided at any point where fastening or securing means can be provided for holding the mirror optics 6.

In Figur 2 ist eine weitere Ausführungsform der Erfindung gezeigt, wo eine Reflektorwanne 20 in doppelter Ausführung wie in Figur 1 ausgebildet ist, und hierbei zwei Leuchtmittel parallel und im gegenseitigen Abstand trägt, die jeweils mit einer eigenen oder einer gemeinsamen Spiegeloptik 26 versehen sind. Ansonsten gelten die gleichen Erläuterungen, wie in Figur 1, nur daß die dort gezeigte Schotte 21 über mehrere, nämlich sechs Verbindungspunkte und nicht wie in Figur 1 gezeigt vier Verbindungspunkte 13 mit der Innenseite der Reflektorwanne 20 verbunden ist.FIG. 2 shows a further embodiment of the invention, where a reflector trough 20 is designed in duplicate as in FIG. 1, and in this case carries two illuminants in parallel and at a mutual distance, which are each provided with their own or a common mirror optics 26. Otherwise, the same explanations apply as in FIG. 1, except that the bulkhead 21 shown there is connected to the inside of the reflector trough 20 via several, namely six connection points and not, as shown in FIG. 1, four connection points 13.

Gemäß Figur 3 ist es vorgesehen, daß bei einer Länge einer Reflektorwanne von beispielsweise 1520 mm drei Schotten 11,21 eingebracht werden, was für die Aussteifung der Reflektorwanne ausreicht. Wichtig ist ferner, daß die erste Schotte 21 einen Abstand 23 von der Stirnseite 16 der Reflektorwanne 20 einnimmt, um im Stirnseitenbereich Platz für die Befestigung 17 der Reflektorwanne 20 an einem Geräteträger oder dergleichen zu schaffen.According to FIG. 3, three bulkheads 11, 21 are introduced with a length of a reflector trough of, for example, 1520 mm, which is sufficient for the stiffening of the reflector trough. It is also important that the first bulkhead 21 is at a distance 23 from the end face 16 of the reflector trough 20 in order to create space in the end face area for the attachment 17 of the reflector trough 20 to an equipment rack or the like.

Der Abstand 22 zwischen den Schotten 21 ist dann möglichst gleichmäßig gewählt.The distance 22 between the bulkheads 21 is then chosen to be as uniform as possible.

In einer anderen Ausführungsform der vorliegenden Erfindung, die in der Zeichnung Figur 1 nur angedeutet ist, ist vorgesehen, daß der Innenumfang 18 der Schotte der Sollkontur der Spiegeloptik 6 angepaßt ist, d.h. die Spiegeloptik liegt dann formschlüssig mindestens punktweise am Innenumfang 18 des jeweiligen Schottes 11, 21 an.In another embodiment of the present invention, which is only indicated in the drawing in FIG. 1, it is provided that the inner circumference 18 of the bulkheads is matched to the target contour of the mirror optics 6, i.e. the mirror optics then lies in a form-fitting manner at least at points on the inner circumference 18 of the respective bulkhead 11, 21.

Als Ausführungsbeispiel dient hier die Figur 4, die eine weitere Reflektorwanne 30 zeigt, in welche in der vorher beschriebenen Weise die Schotten 31 angeordnet sind, deren Innenkontur 32 genau der Formgebung der eingesetzten Spiegeloptik 36 entspricht. Die Schotte 31 dient hier als Befestigung für die Spiegeloptik 36, die hierbei über eine Schraubverbindung 37 an die Innenkontur 32 der Schotte 31 angeschraubt wird, so daß die eingesetzte Spiegeloptik 36 die Innenkontur 32 der Schotte 31 einnimmt.4, which shows a further reflector trough 30, in which the bulkheads 31 are arranged in the manner described above, the inner contour 32 of which corresponds exactly to the shape of the mirror optics 36 used. The bulkhead 31 serves here as a fastening for the mirror optics 36, which is screwed here via a screw connection 37 to the inner contour 32 of the bulkhead 31, so that the mirror optics 36 used take up the inner contour 32 of the bulkhead 31.

Die Schotte 31 bildet hierbei randseitig einen vertikalen Schenkel 33, der eine untere Nase 29 bildet, auf die die Spiegeloptik 36 mit einer Abkröpfung 38 aufgeschoben ist. Dieses Ausführungsbeispiel zeigt also, daß die Innenkontur 32 die Kontur der Spiegeloptik 36 definiert und bestimmt.The bulkhead 31 here forms a vertical leg 33 on the edge, which forms a lower nose 29, onto which the mirror optics 36 are pushed with an offset 38. This exemplary embodiment therefore shows that the inner contour 32 defines and determines the contour of the mirror optics 36.

ZEICHNUNGS-LEGENDEDRAWING LEGEND

  • 1 Reflektorwanne1 reflector pan
  • 2 Profilstück2 profile piece
  • 3,3a Profilstück3,3a profile piece
  • 4 Profilstück4 profile piece
  • 5 Abkantung5 folding
  • 6 Spiegeloptik6 mirror optics
  • 7 Schenkel7 legs
  • 8 Rastschenkel8 locking legs
  • 9 Anschlagkante9 stop edge
  • 10 Leuchtmittel10 illuminants
  • 11 Schotte11 bulkheads
  • 12 Abschnitt12 section
  • 13 Verbindungspunkt13 connection point
  • 14 Abstand14 distance
  • 15 Befestigungsausnehmung15 mounting recess
  • 16 Stirnseite16 end face
  • 17 Befestigung17 attachment
  • 18 Innenumfang18 inner circumference
  • 20 Reflektorwanne20 reflector pan
  • 21 Schotte21 bulkheads
  • 22 Abstand22 distance
  • 23 Abstand23 distance
  • 26 Spiegeloptik26 mirror optics
  • 29 Nase29 nose
  • 30 Reflektorwanne30 reflector pan
  • 31 Schotte31 bulkheads
  • 32 Innenkontur32 inner contour
  • 33 vertikaler Schenkel33 vertical legs
  • 36 Spiegeloptik36 mirror optics
  • 37 Schraubverbindung37 screw connection
  • 38 Abkröpfung38 bend

Claims (11)

1. Reflektorwanne für Leuchten mit einer innerhalb der Reflektorwanne angeordneten Spiegeloptik, dadurch gekennzeichnet, daß die Reflektorwanne (1) aus einem dünnwandigen Blechmaterial besteht und in Längsrichtung über die Länge der Reflektorwanne (1) verteilt in einem gegenseitigem Abstand quer verlaufende Schotten (11,21,31) angeordnet sind, verbunden mit der Reflektorwanne (1) mittels Punktschweißung, durch Schrauben, Nieten oder durch Verklebung.1. reflector trough for lights with a mirror optics arranged within the reflector trough, characterized in that the reflector trough (1) consists of a thin-walled sheet material and distributed in the longitudinal direction over the length of the reflector trough (1) at a mutual distance transverse bulkheads (11, 21 , 31) are arranged, connected to the reflector trough (1) by means of Spot welding, by screwing, riveting or by gluing. 2. Reflektorwanne nach Anspruch 1, dadurch gekennzeichnet, daß die Schotten (11,21,31) über entsprechend lösbare Halterungen wie z. B. Lappen, die in entsprechend ausgebildete Schlitze der Reflektorwanne (1) greifen, befestigt sind.2. reflector trough according to claim 1, characterized in that the bulkheads (11,21,31) via correspondingly releasable mounts such. B. rags, which engage in appropriately designed slots in the reflector trough (1) are attached. 3. Reflektorwanne nach Anspruch 1, dadurch gekennzeichnet, daß die Schotten (11,21,31) an der Außenseite der Reflektorwanne (1) befestigt sind und dort wenigstens punktweise anliegen.3. reflector trough according to claim 1, characterized in that the bulkheads (11,21,31) on the outside of the reflector trough (1) are attached and at least abut there. 4. Reflektorwanne nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß als Material für die Reflektorwanne (1) Feinblech verwendet wird und die Schotten aus einem relativ starkem Eisenblech bestehen.4. reflector trough according to one of claims 1 to 3, characterized in that sheet metal is used as the material for the reflector trough (1) and the bulkheads consist of a relatively strong iron sheet. 5. Reflektorwanne nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Innenumfang der Schotte (11,21,31) die Sollkontur für die einzubringende Spiegeloptik (6,26,36) definiert, wobei sie das Spiegel- oder Reflektorprofil formschlüssig an die Sollkontur der Schotte anlegt.5. reflector trough according to one of claims 1 to 4, characterized in that the inner circumference of the bulkheads (11, 21, 31) defines the target contour for the mirror optics to be introduced (6, 26, 36), whereby it positively engages the mirror or reflector profile creates the target contour of the bulkhead. 6. Reflektorwanne nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Schotten (11,21) der Reflektorwanne (1,20) ihre genau definierte Form geben und dadurch die Spiegeloptik (6,26) nachihrem Einbringen in die Reflektorwanne (1,20) ihre berechnete Kontur erhält.6. reflector trough according to one of claims 1 to 5, characterized in that the bulkheads (11,21) of the reflector trough (1,20) give their precisely defined shape and thereby the mirror optics (6,26) after their introduction into the reflector trough (1 , 20) receives its calculated contour. 7. Reflektorwanne nach Anspruch 6, dadurch gekennzeichnet, daß an den Schotten (11,21,31) Anschläge für die einzubringende Optik ausgebildet sind.7. reflector trough according to claim 6, characterized in that stops are formed on the bulkheads (11,21,31) for the optics to be introduced. 8. Reflektorwanne nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß an Schotten (11,21,31) Befestigungs- oder Sicherungsmittel für die Halterung der Optik oder eines Leuchtenrasters ausgebildet sind.8. reflector trough according to one of claims 1 to 7, characterized in that on bulkheads (11,21,31) fastening or securing means for holding the optics or a luminaire grid are formed. 9. Reflektorwanne nach Anspruch 1, dadurch gekennzeichnet, daß die Reflektorwanne (1) ausgehend von einem horizontalen Profilstück (2) mehrere im Winkel dazu angeordnete Profilstücke (3,3a,4) aufweist, wobei das untere Profilstück (4) einen horizontalen Schenkel ausbildet, der in eine vertikale Abkantung (5) übergeht und hierbei die Abkantung (5) einen Anschlag (9) für die dort zu positionierende Optik (6) bildet.9. reflector trough according to claim 1, characterized in that the reflector trough (1) starting from a horizontal profile piece (2) has a plurality of angularly arranged profile pieces (3,3a, 4), the lower profile piece (4) forming a horizontal leg which merges into a vertical bend (5) and the bend (5) forms a stop (9) for the optics (6) to be positioned there. 10. Reflektorwanne nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Schotten (31) randseitig eine Außenkontur bilden, an der die Spiegeloptik (6,36) mit Sicherungsmitteln befestigt ist.10. reflector trough according to one of claims 1 to 9, characterized in that the bulkheads (31) form an outer contour on the edge to which the mirror optics (6,36) is fastened with securing means. 11. Reflektorwanne nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Schotten (31) randseitig einen vertikalen Schenkel (33) mit einer unteren Nase (29) ausbilden, wobei die Spiegeloptik (36) mit einer Abkröpfung (38) auf die Nase (29) aufgeschoben ist und hierbei die Innenkontur (32) der Schotte (31) die Kontur der Spiegeloptik (36) definiert.11. reflector trough according to one of claims 1 to 9, characterized in that the bulkheads (31) form a vertical leg (33) with a lower nose (29) on the edge, the mirror optics (36) with an offset (38) on the Nose (29) is pushed on and the inner contour (32) of the bulkheads (31) defines the contour of the mirror optics (36).
EP91108876A 1990-07-14 1991-05-30 Trough-shaped reflector for lamps Expired - Lifetime EP0467056B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9010614U 1990-07-14
DE9010614U DE9010614U1 (en) 1990-07-14 1990-07-14 Reflector tray for luminaires

Publications (3)

Publication Number Publication Date
EP0467056A2 true EP0467056A2 (en) 1992-01-22
EP0467056A3 EP0467056A3 (en) 1992-04-08
EP0467056B1 EP0467056B1 (en) 1995-03-08

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ID=6855627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108876A Expired - Lifetime EP0467056B1 (en) 1990-07-14 1991-05-30 Trough-shaped reflector for lamps

Country Status (4)

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EP (1) EP0467056B1 (en)
AT (1) ATE119646T1 (en)
DE (2) DE9010614U1 (en)
ES (1) ES2069770T3 (en)

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DE9109267U1 (en) * 1991-07-26 1991-10-31 Siemens AG, 8000 München Indirect mirror light
DE9307246U1 (en) * 1993-05-13 1993-07-15 Karl Fischer Metallwarenfabrik GmbH & Co KG, 8431 Mühlhausen Elongated housing to accommodate lights for use in railway stations etc.
DE19907031A1 (en) * 1999-02-19 2000-08-31 Bruno Jaroschek Light unit has at least one connecting surface, e.g. for wall mounting, on either side of central connecting surface at angle of 30 or 45 degrees to central surface on rear of housing
DE202017101118U1 (en) * 2017-02-28 2018-05-30 Zumtobel Lighting Gmbh Lamp with reflector element and reflector element

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Also Published As

Publication number Publication date
ES2069770T3 (en) 1995-05-16
DE59104847D1 (en) 1995-04-13
EP0467056B1 (en) 1995-03-08
ATE119646T1 (en) 1995-03-15
DE9010614U1 (en) 1991-08-14
EP0467056A3 (en) 1992-04-08

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