EP1028284B1 - Polygonal reflector for lighting means - Google Patents
Polygonal reflector for lighting means Download PDFInfo
- Publication number
- EP1028284B1 EP1028284B1 EP00102844A EP00102844A EP1028284B1 EP 1028284 B1 EP1028284 B1 EP 1028284B1 EP 00102844 A EP00102844 A EP 00102844A EP 00102844 A EP00102844 A EP 00102844A EP 1028284 B1 EP1028284 B1 EP 1028284B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- elements
- support
- reflector element
- support body
- 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.)
- Expired - Lifetime
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Classifications
-
- 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
-
- 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
-
- 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
- F21V7/10—Construction
-
- 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
- F21V7/10—Construction
- F21V7/16—Construction with provision for adjusting the curvature
Definitions
- the invention relates to a polygonal reflector for a lighting device, such as an incandescent lamp or the like.
- a polygonal reflector for an illuminant consisting of a reflector element arrangement with several individual, adjacent reflector elements.
- Polygonal reflectors for example - as from DE 41 36 251 A1 known - can be designed square to achieve certain lighting effects needed.
- a polygonal Reflector comprises a reflector element arrangement, which consists of several individual, adjacent reflector elements. With these Reflector elements can be polished, chrome-plated or even superficial satined sheet metal pieces or aluminum pieces whose The surface is polished and then anodized, act on their Edges are connected to form the reflector. The have individual reflector elements of this reflector element arrangement alternately molded to connect them in the area of their side edges Tabs or push-through openings.
- Two contiguous Reflector elements are now by inserting the tabs of the a reflector element in the corresponding openings of the other reflector element and then bending the tabs attached to each other.
- the reflector elements are usually with a Curvature provided to the desired lighting requirements to suffice.
- a bend of such a fastening tab for Attaching two adjacent reflector elements leads however, that the predetermined in this area of the reflector element Curvature is straightened so that this part of the reflector elements formed reflector by a bright ring of light or by a similar irregularity, which in turn is perceived as disturbing.
- a round reflector has become known from US Pat. No. 4,789,921 consists of a single reflector element, which is in a support body is held.
- the reflector element is disc-shaped before it is installed trained and is formed by the support body in a truncated cone Arrangement kept. It can be provided that the reflector element on the support body by means of an adhesive or by means of a Deadlock can be kept.
- this arrangement are polygonal Reflectors, especially when the individual reflector elements should be curved, not feasible.
- a polygonal reflector has become known from US Pat. No. 5,568,680. That of a reflector element arrangement with several individual, adjacent There are reflector elements, the reflector being a support body includes.
- the invention lies on the basis of this prior art discussed therefore based on the task of a polygon mentioned at the beginning To further develop the reflector in such a way that it does more than just the lighting Requirements are sufficient, but can also be produced with simple means is.
- the reflector according to the invention consists of a support body and several number of reflector elements corresponding to the number of reflector sides.
- the support body serves both to hold the attached reflector elements and for shaping the individual Reflector elements with respect to the predetermined curvature that the Should have reflector.
- the individual reflector elements flexible, for example, sheet metal pieces that are attached to you brought into their intended curvature on the support body become.
- For attaching the reflector elements on the support body points a holding pocket in the area of each reflector edge to be trained in which a reflector element engages with its lateral edge area.
- To form a reflector inner edge on this in the holding pocket engaging reflector element is the adjacent reflector element with its lateral face on the reflection surface of the arranged in the holding pockets inserted reflector adjacent.
- the reflector elements are shaping with regard to their curvature Support body attached by an adhesive connection.
- adhesive or adhesive stands for all those connections between the support body and a reflector element, whereby the two parts to be joined by adhesion and / or cohesion and / or other physical / chemical processes connected to each other are.
- the support body forms a holding base for the reflector elements, which is designed according to the intended reflector curvature is.
- the connected to the support body by an adhesive connection Then reflector elements have the same curvature as the support body itself.
- the support body can, for example, as a complete reflector housing or be designed as a reflector frame constructed like a framework, with the latter embodiment of the support body sufficient contact surfaces has to the reflector elements in the desired shape in your Bring attachment and to provide sufficient attachment reason.
- the reflector arrangement can be circumferential alternately arranged sequence of with their two side Edge areas in reflector elements and holding pockets such reflector elements exist, which are attached to the support body with its two lateral end faces on the reflection surfaces of the limit adjacent reflection elements.
- a shape of the with their two lateral edge areas, each engaging in a holding pocket Reflector elements are made by the grooves Holders themselves that follow the curvature of the body.
- Shape of these reflector elements is an adhesive connection with the Carrying body is generally not necessary. However, gluing makes sense to prevent this reflector element from being pulled out.
- On reflector element arranged between two such reflector elements thus borders on the reflection surfaces with its two lateral end faces the reflector elements held in the holding pockets. This reflector element is in its intended by an adhesive Curvature held attached to the support body.
- a reflector 1 for an illuminant consists of a support body 2 and a reflector element arrangement 3.
- the reflector element arrangement 3 is made up of individual adjoining reflector elements 4, 5 formed.
- the reflector elements 4, 5 are pieces of aluminum sheet whose surface visible in the figures is highly polished.
- the supporting body 2 serves as a shape-retaining base for the individual reflector elements 4, 5, so that this in the reflector 1 provided for the reflector curvature attached to the support body 2 are held.
- the reflector 1 shown in FIG. 1 is a square reflector, the reflector element arrangement 3 of which is composed of four reflector elements, namely two reflector elements 4 and two reflector elements 5.
- the support body 2 is designed as a reflector housing completely surrounding the reflector arrangement 3.
- holding pockets H are assigned to the support body, which are open towards the reflector element arrangement 3.
- the holding pockets H are designed as grooves and, as can be seen from FIG. 2 , extend in accordance with the curvature of the carrying body 2.
- the holding pockets H of the carrying body 2 shown in the figures are arranged such that one reflector element 4 with its two lateral edge regions in two opposite holding pockets H can be used.
- such a reflector element 4 is trapezoidal.
- the shape of the reflector element inserted into the holding pockets H is already fixed by the groove-shaped holding pockets H.
- an adhesive K is introduced between these two parts 2, 4.
- the further reflector element opposite the reflector element 4 4 is inserted in a corresponding manner in the support body 2.
- the reflector elements 5 used.
- the reflector elements 5 are as shown in FIG. 4 Top view recognizable, approximately trapezoidal, with this however in contrast to the reflector elements 4 curved lateral Have contours.
- the curvature of the side surfaces corresponds to this of the reflector elements 5 of the curvature of the support body 2 or Curvature in which the reflector elements 4 are held by the holding pockets H. are.
- the reflector elements 5 are through the use of an adhesive K attached to the inside of the support body 2.
- the reflector elements 5 border with their lateral end faces directly to the reflection surfaces of the reflector elements 4.
- the Formation of the inner reflector edges R is therefore solely of the dimensional accuracy depending on the curvature of the side surfaces of the reflector elements 5.
- the inner edge R of the reflector formed in this way is also sufficient high lighting requirements.
- the edges pointing outwards of the reflector elements 5 can reduce the reflection surfaces of the reflector elements 4 contacting lateral end faces be chamfered.
- the ring 7 can accommodate a lower one Ring cover serve as cladding.
- such a reflector not only meets high lighting requirements, but also can also be produced with simple means.
- such a reflector can also have a rectangular shape, for example, be hexagonal or octagonal.
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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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen mehreckigen Reflektor für ein Beleuchtungsmittel, etwa eine Glühlampe oder dergleichen. Insbesondere betrifft die Erfindung einen mehreckigen Reflektor für ein Beleuchtungsmittel bestehend aus einer Reflektorelementanordnung mit mehreren einzelnen, aneinandergrenzenden Reflektorelementen.The invention relates to a polygonal reflector for a lighting device, such as an incandescent lamp or the like. In particular The invention relates to a polygonal reflector for an illuminant consisting of a reflector element arrangement with several individual, adjacent reflector elements.
Mehreckige Reflektoren, die beispielsweise - wie etwa aus der DE 41 36 251 A1 bekannt - quadratisch ausgebildet sein können, werden zur Erzielung bestimmter Beleuchtungseffekte benötigt. Ein solcher mehreckiger Reflektor umfaßt eine Reflektorelementanordnung, die aus mehreren einzelnen, aneinandergrenzenden Reflektorelementen besteht. Bei diesen Reflektorelementen kann es sich um polierte, verchromte oder auch oberflächlich satinierte Blechstücke oder auch um Aluminiumstücke, deren Oberfläche geglänzt und anschließend eloxiert ist, handeln, die an ihren Kanten zur Ausbildung des Reflektors miteinander verbunden sind. Die einzelnen Reflektorelemente dieser Reflektorelementanordnung weisen zu ihrer Verbindung im Bereich ihrer Seitenkanten wechselweise angeformte Laschen bzw. Durchstecköffnungen auf. Zwei aneinander grenzende Reflektorelemente sind nunmehr durch Einschieben der Laschen des einen Reflektorelementes in die entsprechenden Durchbrechungen des anderen Reflektorelementes und anschließendes Umbiegen der Laschen aneinander befestigt. Üblicherweise sind die Reflektorelemente mit einer Krümmung versehen, um den gewünschten lichttechnischen Anforderungen zu genügen. Eine Umbiegung einer solchen Befestigungslasche zum Befestigen von zwei aneinander grenzenden Reflektorelementen führt jedoch dazu, daß in diesem Bereich des Reflektorelementes die vorgegebene Krümmung begradigt wird, so daß sich dieser Teil des aus den Reflektorelementen gebildeten Reflektors durch einen hellen Lichtkranz oder durch eine ähnliche Unregelmäßigkeit bemerkbar macht, was wiederum als störend empfunden wird.Polygonal reflectors, for example - as from DE 41 36 251 A1 known - can be designed square to achieve certain lighting effects needed. Such a polygonal Reflector comprises a reflector element arrangement, which consists of several individual, adjacent reflector elements. With these Reflector elements can be polished, chrome-plated or even superficial satined sheet metal pieces or aluminum pieces whose The surface is polished and then anodized, act on their Edges are connected to form the reflector. The have individual reflector elements of this reflector element arrangement alternately molded to connect them in the area of their side edges Tabs or push-through openings. Two contiguous Reflector elements are now by inserting the tabs of the a reflector element in the corresponding openings of the other reflector element and then bending the tabs attached to each other. The reflector elements are usually with a Curvature provided to the desired lighting requirements to suffice. A bend of such a fastening tab for Attaching two adjacent reflector elements leads however, that the predetermined in this area of the reflector element Curvature is straightened so that this part of the reflector elements formed reflector by a bright ring of light or by a similar irregularity, which in turn is perceived as disturbing.
Es sind weitere mehreckige Reflektoren bekannt geworden, die aus einem Stück im Wege eines Kaltverformungsprozesses, beispielsweise durch Tiefziehen hergestellt sind. Diese mehreckigen Reflektoren bilden im Grenzbereich zweier aneinandergrenzender Reflektorelemente eine Hohlkehle aus. Auch wenn sich ein solcher mehreckiger Reflektor herstellen läßt, der kleine Hohlkehlenradien aufweist, so bilden sich diese Hohlkehlen dennoch als Lichtstreifen bei einer Benutzung des Reflektors ab, was benutzerseitig als störend empfunden wird. Dieselbe Problematik stellt sich auch bei solchen mehreckigen Reflektoren, die beispielsweise aus Kunststoff hergestellt sind und deren Innenseiten mit einer reflektierenden Schicht bedampft sind. Nachteilig bei dieser Ausgestaltung ist zudem, daß die Reflexionsoberfläche nachträglich nicht oder nur mit einem hohen Aufwand zum Erzeugen unterschiedlicher lichttechnischer Eigenheiten bearbeitbar ist.There are other polygonal reflectors known that consist of one Piece by means of a cold forming process, for example by Thermoforming. These polygonal reflectors form in Border area of two adjacent reflector elements a fillet out. Even if such a polygonal reflector is produced leaves, which has small fillet radii, these fillets are formed nevertheless as a strip of light when using the reflector what is perceived by the user as disturbing. The same problem arises even with such polygonal reflectors, which are made, for example Are made of plastic and the inside with a reflective Layer are vaporized. A disadvantage of this configuration is also that the reflective surface afterwards not or only with a high one Effort to create different lighting characteristics is editable.
Aus der US-PS 4 789 921 ist ein runder Reflektor bekannt geworden, der aus einem einzigen Reflektorelement besteht, das in einem Tragekörper gehalten ist. Das Reflektorelement ist vor seiner Montage scheibenförmig ausgebildet und wird durch den Tragekörper in einer kegelstumpfförmigen Anordnung gehalten. Dabei kann vorgesehen sein, daß das Reflektorelement an dem Tragekörper mittels einer Verklebung oder auch mittels einer Verklemmung gehalten sein kann. Mit dieser Anordnung sind jedoch mehreckige Reflektoren, insbesondere wenn die einzelnen Reflektorelemente gekrümmt sein sollen, nicht realisierbar.A round reflector has become known from US Pat. No. 4,789,921 consists of a single reflector element, which is in a support body is held. The reflector element is disc-shaped before it is installed trained and is formed by the support body in a truncated cone Arrangement kept. It can be provided that the reflector element on the support body by means of an adhesive or by means of a Deadlock can be kept. With this arrangement, however, are polygonal Reflectors, especially when the individual reflector elements should be curved, not feasible.
Aus der US-A-5 568 680 ist ein mehreckiger Reflektor bekannt geworden, der aus einer Reflektorelementanordnung mit mehreren einzelnen, aneinandergrenzenden Reflektorelemente besteht, wobei der Reflektor einen Tragekörper umfaßt.A polygonal reflector has become known from US Pat. No. 5,568,680. that of a reflector element arrangement with several individual, adjacent There are reflector elements, the reflector being a support body includes.
Ausgehend von diesem diskutierten Stand der Technik liegt der Erfindung daher die Aufgabe zugrunde, einen eingangs genannten mehreckigen Reflektor dergestalt weiterzubilden, daß dieser nicht nur den lichttechnischen Anforderungen genügt, sondern auch mit einfachen Mitteln herstellbar ist.The invention lies on the basis of this prior art discussed therefore based on the task of a polygon mentioned at the beginning To further develop the reflector in such a way that it does more than just the lighting Requirements are sufficient, but can also be produced with simple means is.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Reflektor einen Tragekörper umfaßt, der eine der Anzahl der Reflektorelemente entsprechende Anzahl von zu der Reflektorelementanordnung hin offenen Haltetaschen aufweist,
- wobei jeweils eine Haltetasche des Tragekörpers im Bereich einer durch zwei aneinandergrenzende Reflektorelemente gebildeten Kante angeordnet ist,
- bei welchem Tragekörper seine die flexibel ausgestalteten Reflektorelemente tragenden Abschnitte zur Bereitstellung einer Reflektorelementkrümmung dienen,
- indem in jede Haltetasche ein erstes Reflektorelement mit seinem seitlichen Randbereich in die Haltetasche eingreifend eingesetzt ist und zur Ausbildung einer Reflektorinnenkante an das in die Haltetasche eingesetzte erste Reflektorelement ein weiteres, von dem Tragekörper gehaltenes Reflektorelement mit seiner seitlichen Stirnfläche an die Reflexionsoberfläche des ersten Reflektorelements grenzend angeordnet ist und jeweils dasjenige Reflektorelement von zwei eine Reflektorinnenkante bildenden Reflektorelementen an dem Tragekörper mittels einer Klebeverbindung befestigt ist, dessen seitliche Stimseite an die Reflexionsoberfläche des anderen Reflexionselements grenzt.
- wherein a holding pocket of the carrying body is arranged in the region of an edge formed by two adjoining reflector elements,
- in which support body its sections carrying the flexibly designed reflector elements serve to provide a reflector element curvature,
- in that a first reflector element is inserted into each holding pocket with its lateral edge area engaging in the holding pocket and, in order to form an inner edge of the reflector on the first reflector element inserted into the holding pocket, a further reflector element held by the carrying body is arranged with its lateral end face bordering the reflection surface of the first reflector element is and in each case that reflector element of two reflector elements forming an inner edge of the reflector is fastened to the support body by means of an adhesive connection, the lateral end face of which adjoins the reflection surface of the other reflection element.
Der erfindungsgemäße Reflektor besteht aus einem Tragekörper und mehreren, der Anzahl der Reflektorseiten entsprechenden Anzahl an Reflektorelementen. Dabei dient der Tragekörper sowohl zum Halten der daran befestigten Reflektorelemente als auch zur Formgebung der einzelnen Reflektorelemente hinsichtlich der vorbestimmten Krümmung, die der Reflektor aufweisen soll. Zu diesem Zweck sind die einzelnen Reflektorelemente flexibel, beispielsweise Blechstücke, die bei Ihrer Befestigung an dem Tragekörper in ihre bestimmungsgemäße Krümmung gebracht werden. Zum Befestigen der Reflektorelemente an dem Tragekörper weist dieser im Bereich jeder auszubildenden Reflektorkante eine Haltetasche auf, in die ein Reflektorelement mit seinem seitlichen Randbereich eingreift. Zur Ausbildung einer Reflektorinnenkante an diesem in die Haltetasche eingreifenden Reflektorelement ist das benachbarte Reflektorelement mit seiner seitlichen Stimfläche an die Reflexionsoberfläche des in die Haltetaschen eingesetzten Reflekorelementes angrenzend angeordnet. Zwei aneinandergrenzende, eine Reflektorinnenkante ausbildende Reflektorelemente sind im Gegensatz zum vorbekannten Stand der Technik nicht auf Stoß angeordnet, so daß die Ausbildung dieser vorbekannten Reflektorinnenkante nicht von der Maßhaltigkeit zweier Reflektorelemente, sondern nur von der Toleranz eines Reflektorelements abhängig ist. Die auf diese Weise ausgebildete Reflektorinnenkante genügt hohen lichttechnischen Anforderungen.The reflector according to the invention consists of a support body and several number of reflector elements corresponding to the number of reflector sides. The support body serves both to hold the attached reflector elements and for shaping the individual Reflector elements with respect to the predetermined curvature that the Should have reflector. For this purpose, the individual reflector elements flexible, for example, sheet metal pieces that are attached to you brought into their intended curvature on the support body become. For attaching the reflector elements on the support body points a holding pocket in the area of each reflector edge to be trained in which a reflector element engages with its lateral edge area. To form a reflector inner edge on this in the holding pocket engaging reflector element is the adjacent reflector element with its lateral face on the reflection surface of the arranged in the holding pockets inserted reflector adjacent. Two contiguous, one reflector inner edge In contrast to the known prior art, reflector elements are not arranged abruptly, so that the training of these previously known Inner edge of the reflector does not depend on the dimensional accuracy of two reflector elements, but only depends on the tolerance of a reflector element. The The inner edge of the reflector designed in this way suffices for high lighting requirements Conditions.
Die Reflektorelemente sind an dem bezüglich ihrer Krümmung formgebenden Tragekörper durch eine Klebeverbindung befestigt. Im Zusammenhang dieser Ausführungen steht der Begriff Kleben bzw. Kleber für all diejenigen Verbindungen zwischen dem Tragekörper und einem Reflektorelement, wodurch die beiden Fügeteile durch Adhäsion und/oder Kohäsion und/oder weitere physikalisch/chemische Vorgänge miteinander verbunden sind. Der Tragekörper bildet für die Reflektorelemente einen Haltegrund, der entsprechend der vorgesehenen Reflektorkrümmung ausgebildet ist. Die mit dem Tragekörper durch eine Klebeverbindung verbundenen Reflektorelemente weisen sodann dieselbe Krümmung auf, wie der Tragekörper selbst.The reflector elements are shaping with regard to their curvature Support body attached by an adhesive connection. In connection of these explanations, the term adhesive or adhesive stands for all those connections between the support body and a reflector element, whereby the two parts to be joined by adhesion and / or cohesion and / or other physical / chemical processes connected to each other are. The support body forms a holding base for the reflector elements, which is designed according to the intended reflector curvature is. The connected to the support body by an adhesive connection Then reflector elements have the same curvature as the support body itself.
Der Tragekörper kann beispielsweise als vollständiges Reflektorgehäuse oder als fachwerkähnlich aufgebauten Reflektorrahmen ausgebildet sein, wobei bei letzterer Ausgestaltung der Tragekörper ausreichend Anlageflächen aufweist, um die Reflektorelemente in die gewünschte Form bei Ihrer Befestigung zu bringen und um ausreichend Befestigungsgrund bereitzustellen.The support body can, for example, as a complete reflector housing or be designed as a reflector frame constructed like a framework, with the latter embodiment of the support body sufficient contact surfaces has to the reflector elements in the desired shape in your Bring attachment and to provide sufficient attachment reason.
In dem Tragekörper kann die Reflektoranordnung aus einer umfänglich wechselweise angeordneten Abfolge von mit ihren beiden seitlichen Randbereichen in Haltetaschen aufgenommenen Reflektorelementen und solchen Reflektorelementen bestehen, die an dem Tragekörper befestigt mit ihren beiden seitlichen Stirnflächen an die Reflexionsoberflächen der jeweils benachbarten Reflexionselemente grenzen. Eine Formgebung der mit ihren beiden seitlichen Randbereichen in jeweils eine Haltetasche eingreifenden Reflektorelemente erfolgt durch die als Nuten ausgebildeten Haltetaschen selbst, die der Krümmung des Tragekörpers folgen. Zur Formgebung dieser Reflektorelemente ist eine Klebeverbindung mit dem Tragekörper grundsätzlich nicht notwendig. Eine Klebung ist jedoch sinnvoll, um ein Herausziehen dieses Reflektorelementes zu verhindern. Ein zwischen zwei solchen Reflektorelementen angeordnetes Reflektorelement grenzt somit mit seinen beiden seitlichen Stirnflächen auf die Reflexionsoberflächen der in den Haltetaschen gehaltene Reflektorelemente. Dieses Reflektorelement ist durch eine Klebung in seiner bestimmungsgemäßen Krümmung an dem Tragekörper befestigt gehalten.In the support body, the reflector arrangement can be circumferential alternately arranged sequence of with their two side Edge areas in reflector elements and holding pockets such reflector elements exist, which are attached to the support body with its two lateral end faces on the reflection surfaces of the limit adjacent reflection elements. A shape of the with their two lateral edge areas, each engaging in a holding pocket Reflector elements are made by the grooves Holders themselves that follow the curvature of the body. to Shape of these reflector elements is an adhesive connection with the Carrying body is generally not necessary. However, gluing makes sense to prevent this reflector element from being pulled out. On reflector element arranged between two such reflector elements thus borders on the reflection surfaces with its two lateral end faces the reflector elements held in the holding pockets. This reflector element is in its intended by an adhesive Curvature held attached to the support body.
Weitere Vorteile der Erfindung sind Bestandteil der Unteransprüche sowie der nachfolgenden Beschreibung eines Ausführungsbeispieles unter Bezugnahme auf die beigefügten Figuren. Es zeigen:
- Fig. 1:
- einen schematisierten Querschnitt durch einen mehreckigen Reflektor,
- Fig. 2:
- einen Schnitt entlang der Linie A-B durch den Reflektor der
Figur 1, - Fig. 3:
- eine schematisierte, verkleinerte Draufsicht auf ein Reflektorelement
der Reflektorelementanordnung der
Figur 1 und - Fig. 4:
- eine Draufsicht auf ein weiteres Reflektorelement der Reflektorelementanordnung
der
Figur 1.
- Fig. 1:
- a schematic cross section through a polygonal reflector,
- Fig. 2:
- 2 shows a section along line AB through the reflector of FIG. 1,
- Fig. 3:
- a schematic, reduced plan view of a reflector element of the reflector element arrangement of Figures 1 and
- Fig. 4:
- 2 shows a plan view of a further reflector element of the reflector element arrangement in FIG. 1.
Ein Reflektor 1 für ein Beleuchtungsmittel besteht aus einem Tragekörper
2 und einer Reflektorelementanordnung 3. Die Reflektorelementanordnung
3 wird aus einzelnen aneinandergrenzenden Reflektorelementen 4,
5 gebildet. Die Reflektorelemente 4, 5 sind Aluminiumblechstücke, deren
in den Figuren sichtbare Oberfläche hochglanzpoliert ist. Der Tragekörper
2 dient als formgebender Haltegrund für die einzelnen Reflektorelemente
4, 5, damit diese in der für den Reflektor 1 vorgesehenen Reflektorkrümmung
befestigt an dem Tragekörper 2 gehalten sind.A
Bei dem in Figur 1 dargestellten Reflektor 1 handelt es sich um einen
viereckigen Reflektor, dessen Reflektorelementanordnung 3 aus vier Reflektorelementen,
nämlich zwei Reflektorelementen 4 und zwei Reflektorelementen
5 aufgebaut ist. Der Tragekörper 2 ist als die Reflektoranordnung
3 vollständig umgebendes Reflektorgehäuse ausgebildet. Im Bereich
der Reflektorinnenkanten R sind dem Tragekörper 2 Haltetaschen H
zugeordnet, die zur Reflektorelementanordnung 3 hin offen sind. Die Haltetaschen
H sind als Nuten ausgebildet und erstrecken sich, wie aus Figur
2 ersichtlich, entsprechend der Krümmung des Tragekörpers 2. Die Haltetaschen
H des in den Figuren gezeigten Tragekörpers 2 sind dergestalt
angeordnet, daß jeweils ein Reflektorelement 4 mit seinen beiden seitlichen
Randbereichen in zwei gegenüberliegende Haltetaschen H einsetzbar
ist. Entsprechend der Verjüngung des Reflektors 1 ist ein solches Reflektorelement
4, wie in Figur 3 in einer Draufsicht dargestellt, trapezförmig
ausgebildet. Das in die Haltetaschen H eingesetzte Reflektorelement (vgl.
Figur 1) ist bezüglich seiner Formgebung bereits durch die nutenförmig
ausgebildeten Haltetaschen H fixiert. Zur zusätzlichen Fixierung und Bindung
des Reflektorelementes 4 an den Tragekörper 2 ist zwischen diesen
beiden Teilen 2, 4 ein Kleber K eingebracht.The
Das dem Reflektorelement 4 gegenüberliegende weitere Reflektorelement
4 ist in entsprechender Weise in den Tragekörper 2 eingesetzt. Zur Vervollständigung
der Reflektorelementanordnung 3 werden, nachdem die
Reflektorelemente 4 in den Tragekörper 2 eingesetzt und ggf. mittels einer
Klebeverbindung mit diesem verbunden sind, die Reflektorelemente 5
eingesetzt. Die Reflektorelemente 5 sind, wie aus der in Figur 4 dargestellten
Draufsicht erkennbar, etwa trapezförmig ausgebildet, wobei diese
jedoch im Unterschied zu den Reflektorelementen 4 gekrümmte seitliche
Konturen aufweisen. Dabei entspricht die Krümmung der Seitenflächen
der Reflektorelemente 5 der Krümmung des Tragekörpers 2 bzw. der
Krümmung, in der die Reflektorelemente 4 durch die Haltetaschen H gehalten
sind. Die Reflektorelemente 5 sind durch Einsatz eines Klebemittels
K an der Innenseite des Tragekörpers 2 befestigt. Bei diesem Klebevorgang
ist sicherzustellen, daß die Reflektorelemente 5 gleichmäßig an der
Innenseite des Tragekörpers 2 anliegen und in dieser Stellung so lange
gehalten sind, bis die Klebung zu einer festen Verbindung der Teile 2, 5
geführt hat. Mit ihrer seitlichen Stirnseite grenzen die Reflektorelemente 5
unmittelbar an die Reflexionsoberflächen der Reflektorelemente 4. Die
Ausbildung der Reflektorinnenkanten R ist somit alleinig von der Maßhaltigkeit
der Krümmung der Seitenflächen der Reflektorelemente 5 abhängig.
Die auf diese Weise gebildeten Reflektorinnenkante R genügen auch
hohen lichttechnischen Anforderungen. Die nach außen weisenden Kanten
der Reflektorelemente 5 können zur Reduzierung der die Reflexionsoberflächen
der Reflektorelemente 4 kontaktierenden seitlichen Stirnflächen
angefast sein.The further reflector element opposite the
Die in den Figuren 1 und 2 dargestellten Klebeverbindungen sind zur Darstellung
der Anordnung bezüglich ihrer Schichtdicke stärker dargestellt,
als dies notwendig wäre oder in der Regel ausgeführt werden würde. Zu
berücksichtigen ist bei den Klebungen, daß die von dem Tragekörper 2
vorgegebene Formgebung nicht durch die Klebungen verändert wird.The adhesive connections shown in Figures 1 and 2 are for illustration
the arrangement with respect to its layer thickness,
than would be necessary or would normally be carried out. To
Take into account in the case of the bonds that the
Zum unteren Abschluß der Reflektorelementanordnung 3 können die einzelnen
Reflektorelemente 4, 5 unterseitig abgekantet sein. Ebenfalls kann
der Tragekörper 2 unterseitig einen Kragen 6 aufweisen, der randlich
durch einen Ring 7 begrenzt ist. Der Ring 7 kann zur Aufnahme einer unteren
Ringabdeckung als Verkleidung dienen.At the bottom of the
Aus der Beschreibung der Erfindung wird deutlich, daß ein solcher Reflektor nicht nur hohen lichttechnischen Anforderungen genügt, sondern auch mit einfachen Mitteln herstellbar ist. Neben der in den Figuren gezeigten viereckigen Ausbildung kann ein solcher Reflektor auch mehrekkig, beispielsweise sechs- oder achteckig ausgebildet sein. From the description of the invention it is clear that such a reflector not only meets high lighting requirements, but also can also be produced with simple means. In addition to that shown in the figures such a reflector can also have a rectangular shape, for example, be hexagonal or octagonal.
- 11
- Reflektorreflector
- 22
- Tragekörpersupport body
- 33
- ReflektorelementanordnungReflector assembly
- 44
- Reflektorelementreflector element
- 55
- Reflektorelementreflector element
- 66
- Kragencollar
- 77
- Ringring
- RR
- ReflektorinnenkanteReflector inside edge
- HH
- Haltetascheholding pocket
- KK
- Klebemitteladhesive
Claims (5)
- Polygonal reflector for an illumination means, comprising a reflector element arrangement (3) having a plurality of individual, adjoining reflector elements (4, 5), the reflector (1) including a support (2), characterised in thatthe support (2) has a number of retaining pockets (H) corresponding to the number of reflector elements (4, 5), which pockets are open towards the reflector element arrangement (3),a respective retaining pocket (H) of the support (2) being disposed in the region of an edge, formed by two adjoining reflector elements (4, 5),in the case of which support (2), its portions carrying the flexibly configured reflector elements (4, 5) serve to provide a reflector element curvature,in that a first reflector element (4) is inserted into each retaining pocket (H), said element having its lateral edge region engaging in the retaining pocket (H), and an additional reflector element (5), which is retained by the support (2), is disposed with its lateral end face abutting against the reflection surface of the first reflector element (4) to form an internal reflector edge (R) at the first reflector element (4), which is inserted into the retaining pocket (H), and of two reflector elements (4, 5) which form an internal reflector edge (R), the particular reflector element (5) with its lateral end face abutting against the reflection surface of the other reflector element (4) is mounted on the support (2) by means of an adhesive connection.
- Reflector according to claim 1, characterised in that the support (2) is a reflector housing surrounding the reflector element arrangement (3).
- Reflector according to claim 1, characterised in that the support is in the form of a reflector frame.
- Reflector according to one of claims 1 to 3, characterised in that the reflector element arrangement (3) comprises an alternately disposed sequence of reflector elements (4), which are accommodated with their two lateral edge regions in retaining pockets (H), and those reflector elements (5) which, when mounted on the support (2), abut with their two lateral end faces against the reflection surfaces of the two adjacent reflector elements (4).
- Reflector according to one of claims 1 to 4, characterised in that each reflector element (4, 5), of the reflector element arrangement (3) is mounted on the support (2) by means of an adhesive connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19906091 | 1999-02-13 | ||
| DE19906091A DE19906091C2 (en) | 1999-02-13 | 1999-02-13 | Polygonal reflector for lighting |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1028284A2 EP1028284A2 (en) | 2000-08-16 |
| EP1028284A3 EP1028284A3 (en) | 2001-11-28 |
| EP1028284B1 true EP1028284B1 (en) | 2003-04-23 |
Family
ID=7897428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00102844A Expired - Lifetime EP1028284B1 (en) | 1999-02-13 | 2000-02-11 | Polygonal reflector for lighting means |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6254241B1 (en) |
| EP (1) | EP1028284B1 (en) |
| AT (1) | ATE238518T1 (en) |
| DE (2) | DE19906091C2 (en) |
| ES (1) | ES2195811T3 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200532351A (en) * | 2004-03-29 | 2005-10-01 | Coretronic Corp | Mounting structure for hollow integration rod |
| TWI312905B (en) * | 2005-04-28 | 2009-08-01 | Delta Electronics Inc | Light tunnel |
| US9471717B2 (en) * | 2014-03-20 | 2016-10-18 | GE Lighting Solutions, LLC | Reflector and optical coating for improved LED lighting system |
| DE102020133528B3 (en) * | 2020-07-14 | 2022-01-13 | Jenoptik Optical Systems Gmbh | Process for producing an optical component with an internal, coated structure and optical component produced therefrom |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3937948A (en) * | 1974-08-14 | 1976-02-10 | Donn Allison | Light fixture |
| US4509501A (en) * | 1982-01-13 | 1985-04-09 | Hunter Larry D | Solar energy collecting system using a primary reflector based on a pyramid structure |
| US4675791A (en) * | 1985-06-21 | 1987-06-23 | Atlantic Richfield Company | Centrifuge strobe lamp holder |
| US4789921A (en) * | 1987-02-20 | 1988-12-06 | Minnesota Mining And Manufacturing Company | Cone shaped Fresnel reflector |
| US5278744A (en) * | 1990-10-01 | 1994-01-11 | U.S. Philips Corporation | Illumination device and luminaire for use therein |
| DE4136251C2 (en) * | 1990-11-12 | 1993-11-25 | Siemens Ag | Indirect mirror light |
| US5568680A (en) * | 1995-01-26 | 1996-10-29 | Regent Lighting Corporation | Method for making a reflector for a luminaire |
-
1999
- 1999-02-13 DE DE19906091A patent/DE19906091C2/en not_active Expired - Fee Related
-
2000
- 2000-02-11 EP EP00102844A patent/EP1028284B1/en not_active Expired - Lifetime
- 2000-02-11 ES ES00102844T patent/ES2195811T3/en not_active Expired - Lifetime
- 2000-02-11 AT AT00102844T patent/ATE238518T1/en active
- 2000-02-11 DE DE50001825T patent/DE50001825D1/en not_active Expired - Lifetime
- 2000-02-14 US US09/504,986 patent/US6254241B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1028284A3 (en) | 2001-11-28 |
| DE50001825D1 (en) | 2003-05-28 |
| ATE238518T1 (en) | 2003-05-15 |
| US6254241B1 (en) | 2001-07-03 |
| ES2195811T3 (en) | 2003-12-16 |
| DE19906091A1 (en) | 2000-08-24 |
| DE19906091C2 (en) | 2003-04-10 |
| EP1028284A2 (en) | 2000-08-16 |
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