EP1028284A2 - Réflecteur polygonal pour moyens d' éclairage - Google Patents

Réflecteur polygonal pour moyens d' éclairage Download PDF

Info

Publication number
EP1028284A2
EP1028284A2 EP00102844A EP00102844A EP1028284A2 EP 1028284 A2 EP1028284 A2 EP 1028284A2 EP 00102844 A EP00102844 A EP 00102844A EP 00102844 A EP00102844 A EP 00102844A EP 1028284 A2 EP1028284 A2 EP 1028284A2
Authority
EP
European Patent Office
Prior art keywords
reflector
support body
elements
reflector element
reflector elements
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
EP00102844A
Other languages
German (de)
English (en)
Other versions
EP1028284B1 (fr
EP1028284A3 (fr
Inventor
Helmuth K. Unger
Wolfram n/p/k industrial design bv Peters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UPL UNGER PATENT-UND LIZENZ GMBH
Original Assignee
WILA Leuchten AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WILA Leuchten AG filed Critical WILA Leuchten AG
Publication of EP1028284A2 publication Critical patent/EP1028284A2/fr
Publication of EP1028284A3 publication Critical patent/EP1028284A3/fr
Application granted granted Critical
Publication of EP1028284B1 publication Critical patent/EP1028284B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening 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
    • F21V17/16Fastening 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00Protecting lighting devices from damage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/10Construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/10Construction
    • F21V7/16Construction 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 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 to 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 also 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.
  • the invention lies on the basis of this prior art discussed therefore based on the task of a polygonal mentioned 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 as well as to shape 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.
  • a reflector inner edge on this in the holding pocket engaging reflector element is the adjacent reflector element with its side face to 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.
  • 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.
  • Reflector elements then 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 framework-like reflector frame, with the latter design 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 formed by the grooves Holders themselves that follow the curvature of the body.
  • For 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 four reflector elements, namely two reflector elements 4 and two reflector elements 5 is constructed.
  • the support body 2 is as the reflector arrangement 3 completely surrounding reflector housing.
  • the inner reflector edges R are 2 holding pockets H for the carrying body assigned, which are open to the reflector element arrangement 3.
  • the holding bags H are formed as grooves and extend as in the figure 2 can be seen, corresponding to the curvature of the carrying body 2.
  • the hail pockets H of the support body 2 shown in the figures are of this type arranged that each a reflector element 4 with its two lateral Edge areas can be used in two opposite holding pockets H. is.
  • Such a reflector element is corresponding to the taper of the reflector 1 4, as shown in Figure 3 in a plan view, trapezoidal educated.
  • the reflector element inserted into the holding pockets H (cf. Figure 1) is already groove-shaped in terms of its shape trained holding bags H fixed.
  • the further reflector element opposite the reflector element 4 4 is inserted in a corresponding manner in the support body 2.
  • the reflector elements 5th 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 faces 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 by using 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 outward-facing edges of the reflector elements 5 can be used to 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 be polygonal, for example, be hexagonal or octagonal.

Landscapes

  • 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)
EP00102844A 1999-02-13 2000-02-11 Réflecteur polygonal pour moyens d' éclairage Expired - Lifetime EP1028284B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19906091 1999-02-13
DE19906091A DE19906091C2 (de) 1999-02-13 1999-02-13 Mehreckiger Reflektor für ein Beleuchtungsmittel

Publications (3)

Publication Number Publication Date
EP1028284A2 true EP1028284A2 (fr) 2000-08-16
EP1028284A3 EP1028284A3 (fr) 2001-11-28
EP1028284B1 EP1028284B1 (fr) 2003-04-23

Family

ID=7897428

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00102844A Expired - Lifetime EP1028284B1 (fr) 1999-02-13 2000-02-11 Réflecteur polygonal pour moyens d' éclairage

Country Status (5)

Country Link
US (1) US6254241B1 (fr)
EP (1) EP1028284B1 (fr)
AT (1) ATE238518T1 (fr)
DE (2) DE19906091C2 (fr)
ES (1) ES2195811T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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 (de) * 2020-07-14 2022-01-13 Jenoptik Optical Systems Gmbh Verfahren zur Herstellung einer optischen Komponente mit innerer, beschichteter Struktur und danach hergestellte optische Komponente

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789921A (en) 1987-02-20 1988-12-06 Minnesota Mining And Manufacturing Company Cone shaped Fresnel reflector
DE4136251A1 (de) 1990-11-12 1992-05-14 Siemens Ag Indirekte spiegelleuchte

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
US5278744A (en) * 1990-10-01 1994-01-11 U.S. Philips Corporation Illumination device and luminaire for use therein
US5568680A (en) * 1995-01-26 1996-10-29 Regent Lighting Corporation Method for making a reflector for a luminaire

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789921A (en) 1987-02-20 1988-12-06 Minnesota Mining And Manufacturing Company Cone shaped Fresnel reflector
DE4136251A1 (de) 1990-11-12 1992-05-14 Siemens Ag Indirekte spiegelleuchte

Also Published As

Publication number Publication date
EP1028284B1 (fr) 2003-04-23
US6254241B1 (en) 2001-07-03
DE19906091C2 (de) 2003-04-10
ES2195811T3 (es) 2003-12-16
DE50001825D1 (de) 2003-05-28
EP1028284A3 (fr) 2001-11-28
DE19906091A1 (de) 2000-08-24
ATE238518T1 (de) 2003-05-15

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