EP0440911B1 - Halogenglühlampen-Reflektor-Einheit - Google Patents

Halogenglühlampen-Reflektor-Einheit Download PDF

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Publication number
EP0440911B1
EP0440911B1 EP90123136A EP90123136A EP0440911B1 EP 0440911 B1 EP0440911 B1 EP 0440911B1 EP 90123136 A EP90123136 A EP 90123136A EP 90123136 A EP90123136 A EP 90123136A EP 0440911 B1 EP0440911 B1 EP 0440911B1
Authority
EP
European Patent Office
Prior art keywords
reflector
halogen lamp
pinch
unit according
neck
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
Application number
EP90123136A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0440911A3 (en
EP0440911A2 (de
Inventor
Roland Stark
Herbert Kugler
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0440911A2 publication Critical patent/EP0440911A2/de
Publication of EP0440911A3 publication Critical patent/EP0440911A3/de
Application granted granted Critical
Publication of EP0440911B1 publication Critical patent/EP0440911B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source

Definitions

  • the invention relates to a halogen incandescent lamp reflector unit according to the preamble of protection claim 1.
  • Halogen incandescent lamp reflector units in which the reflector is firmly connected to the halogen incandescent lamp, are increasingly used in lighting systems, since they can be used to achieve much more uniform and locally limited illumination.
  • a disadvantage of this type of attachment is that the support dimension, ie the position of the lamp and thus the filament in the reflector, cannot be changed with simple means. Different reflectors are therefore required, depending on whether a broad (flood) or a narrow (spot) light cone is to be generated. Besides, is it is not possible with such a clamp connection to correct manufacturing tolerances on the reflectors and lamps during assembly. Such a compensation is absolutely necessary, for example, in the case of faceted reflectors, since with this type of reflector, deviations from the optimum manufacturing dimensions have a much stronger influence on the light emission cones than in the case of reflectors with finely structured aluminum surfaces. For this reason, a pilot series had to be produced first in order to determine the optimal installation dimensions.
  • the object of the invention is to provide a fixture for the halogen incandescent lamp in the reflector, which enables a simple change in the support dimension on the halogen incandescent lamp reflector unit.
  • the centering disk can be used to produce "flood" or “spot” radiation cones with only a single reflector version or a single halogen lamp type. There is no longer any need for specially adapted lamp or reflector designs to produce a wide or narrow cone of light. Also for Lamp-reflector units with different power levels now only require one reflector version. The corresponding adjustment of the reflector and lamp is achieved by the centering disc.
  • the centering disk can be made flat or provided with an embossed step, the step can be made positive or negative, depending on whether the lamp has to be lifted out of the reflector or lowered further into the reflector.
  • the reflector is provided with a flat circular ring surface in the transition area from the reflector surface to the neck-shaped attachment.
  • the centering disc has a circular edge. This enables a completely flat support of the edge of the centering disk.
  • FIGS. 1 and 2 The invention is illustrated in more detail in the following FIGS. 1 and 2.
  • Figures 1 and 2 each show a halogen incandescent reflector unit with different support dimensions A1 and A2. Both units consist of a halogen incandescent lamp 1 with a filament 2 shown schematically, which is sealed by a rectangular pinch 3.
  • the halogen incandescent lamp 1 is seated in a faceted manner
  • Reflector 6 made of aluminum with a neck-shaped approach 7 round cross-section.
  • the reflector 6 has a flat circular ring surface 8 in the transition area from the reflector surface to the neck-shaped extension 7.
  • the halogen incandescent lamp 1 is held in the reflector 6 by a round mounting pot 9 with a rectangular central opening, which is guided over the neck-shaped extension 7 of the reflector 6.
  • the two units additionally have centering disks 10a and 10b for aligning the lamps, which have a partially different shape.
  • the two centering disks Common to the two centering disks is a circular edge, which rests on the annular surface 8 of the reflector 6, and a rectangular opening through which the pinch 3 of the lamp 1 is inserted, and its edge on the transition from the pinch 3 to the bulb of the lamp 1 lies on. While the centering disk 10a in FIG. 1 is completely flat, the centering disk 10b in FIG. 2 has a step at the transition to the central opening.
  • This step which is carried out in the direction of the reflector opening, results in the step shown in FIG Halogen incandescent lamp reflector unit a larger value for the back focus.
  • the distance A2 between the helix 2 and the transition region of the reflector 6 to the neck-shaped extension 7 is greater in the unit in FIG. 2 than the distance A1 in the unit shown in FIG. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP90123136A 1990-02-06 1990-12-03 Halogenglühlampen-Reflektor-Einheit Expired - Lifetime EP0440911B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9001346U DE9001346U1 (zh) 1990-02-06 1990-02-06
DE9001346U 1990-02-06

Publications (3)

Publication Number Publication Date
EP0440911A2 EP0440911A2 (de) 1991-08-14
EP0440911A3 EP0440911A3 (en) 1991-09-25
EP0440911B1 true EP0440911B1 (de) 1994-08-17

Family

ID=6850740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90123136A Expired - Lifetime EP0440911B1 (de) 1990-02-06 1990-12-03 Halogenglühlampen-Reflektor-Einheit

Country Status (2)

Country Link
EP (1) EP0440911B1 (zh)
DE (2) DE9001346U1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548521A1 (de) * 1995-12-22 1997-06-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Lampen-Reflektor-Einheit
DE102009010181A1 (de) 2009-02-23 2010-08-26 Osram Gesellschaft mit beschränkter Haftung Reflektorlampe und zugehöriges Herstellverfahren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2655231C2 (de) * 1976-12-06 1986-12-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Halogenglühlampe
DE2713615A1 (de) * 1977-03-28 1978-10-05 Patra Patent Treuhand Baueinheit aus halogengluehlampe und reflektor
US4392189A (en) * 1980-12-03 1983-07-05 Gte Products Corporation Front loading projection unit with threaded resilient retention member
HU190574B (en) * 1984-06-25 1986-09-29 Tunsgram Reszvenytarsasag,Hu Light source with flattened glass envelope, preferably halogen incandescent lamp and method for fastening the body of the lamp to the housing or optical element
US4795388A (en) * 1987-02-06 1989-01-03 Gte Products Corporation Method of making replaceable lamp unit for use in automobile headlight

Also Published As

Publication number Publication date
DE9001346U1 (zh) 1990-04-12
DE59006838D1 (de) 1994-09-22
EP0440911A3 (en) 1991-09-25
EP0440911A2 (de) 1991-08-14

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