EP2531771A1 - Lampe à del - Google Patents

Lampe à del

Info

Publication number
EP2531771A1
EP2531771A1 EP11738996A EP11738996A EP2531771A1 EP 2531771 A1 EP2531771 A1 EP 2531771A1 EP 11738996 A EP11738996 A EP 11738996A EP 11738996 A EP11738996 A EP 11738996A EP 2531771 A1 EP2531771 A1 EP 2531771A1
Authority
EP
European Patent Office
Prior art keywords
heat sink
lamp
led
luminaire
brass
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.)
Withdrawn
Application number
EP11738996A
Other languages
German (de)
English (en)
Inventor
Matthias Peter
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
Osram GmbH
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 Osram GmbH filed Critical Osram GmbH
Publication of EP2531771A1 publication Critical patent/EP2531771A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F21S8/065—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension multi-branched, e.g. a chandelier
    • 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
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0055—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/40—Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a luminaire, which is provided for one or more versions of halogen pin base lamps.
  • Luminaires with halogen pin base lamps which are plugged into corresponding sockets are known from the prior art.
  • the halogen pin base lamp and the socket may e.g. comply with the IEC60432 standard G9.
  • the socket is inserted into a receptacle of a lamp housing.
  • a disadvantage of such lights is a low Le ⁇ life of the lamps less than 2000 hours, which makes their frequent change required.
  • the object of the present invention is to increase the lamp replacement interval duration and the efficiency of such lamps.
  • the lamp according to the invention has a luminaire housing with a receptacle which is suitable for receiving or for inserting a socket of a halogen pin-base lamp.
  • the socket and the halogen pin base lamp may have the designation G9 according to the IEC60432 standard.
  • a heat sink with gu ⁇ tem thermal contact with the lamp housing is added or used according to the invention alternatively to the version with pin socket lamp in the receptacle, are attached to the one or more LEDs.
  • Such lamps have a life of 10,000 to 50,000 hours extended life compared to those with halogen pin base lamps.
  • the efficiency of LEDs compared to halogen lamps is increased.
  • the LEDs can also be connected indirectly to the heat sink via further fastening means.
  • the LED is produced by the applicant Oslon ® LED (1W). This offers good efficiency with good light quality.
  • the LED is attached to a printed circuit board (eg PCB), which in turn is attached to the heat sink, in particular screwed, is. Since ⁇ is at between each circuit board and the heat sink to improve the heat transfer, a thermal paste arranged so that a junction temperature T j of the LED can amount to a maximum of 100 ° C in the operating state.
  • a printed circuit board eg PCB
  • T j of the LED can amount to a maximum of 100 ° C in the operating state.
  • a particularly good heat conduction is made possible, if the circuit board is a metal core board.
  • the junction temperature of the LED is further reduced to values ⁇ 100 ° C.
  • the heat has ⁇ valley an approximately pyramid-shaped portion which several ⁇ re, especially four bearing regions, each with a circuit board each contact region has.
  • the investment areas are each employed at 10 to 40 degrees with respect to a central axis.
  • the heat sink may be made of brass in a first variant and be cut from ⁇ cut manner via a fine thread in a recess of the lamp housing. This provides the Wär ⁇ mesenke in good thermal contact with the lamp housing.
  • the heat sink is also made of brass and is screwed in sections via a fine thread in a brass sleeve, which is accommodated in a recess of the lamp housing. Even so, the heat sink is in good thermal contact with the luminaire housing.
  • a thermal compound can be arranged between an outer wall of the brass sleeve and an inner wall of the recess.
  • the plastic holder for the formation of the invention Luminaire can not be removed.
  • the plastic holder, the heat sink at least partially umfas ⁇ sen and be bonded to the brass sleeve.
  • the luminaire is a chandelier with at least three, preferably six recesses, in each of which a brass sleeve with a plastic holder attached thereto is received, in each of which a heat sink is accommodated.
  • a lamp cap On an outer thread per ⁇ the plastic mounting a lamp cap can be secured.
  • LEDs are connected via a current balancing circuit ⁇ from a current source (preferably 700mA, 35W) supplied. This prevents thermal propagation of the two strands.
  • a current source preferably 700mA, 35W
  • each strand can be operated with 350mA, and it can be provided a current balancing circuit, which prevents thermal divergence of the strands.
  • a luminaire housing with good sauceleitfä ⁇ ability for example made of aluminum or stainless steel or metal.
  • Figure 1 shows a detail of a lamp with a halogen pin base lamp according to the prior art in a partially sectioned view.
  • FIG. 2 shows a first exemplary embodiment of a luminaire according to the invention in a perspective view from below; FIG. and a detail of the first embodiment of a luminaire according to the invention according to Figure 2 in a partially sectioned view.
  • FIG. 1 shows a detail of a luminaire according to the prior art with a halogen pin base lamp 1 in a partially sectioned illustration. It is in the halogen capsule lamp 1 a Halopin ® - lamp of the applicant. It has a power consumption of 25 W and carries the designation G9 according to the IEC60432 standard.
  • the halogen-Sti ftsockel lamp 1 is inserted into a ceramic ⁇ version 2, which corresponds to the same standard.
  • the ceramic socket 2 is inserted into a cup-shaped art ⁇ material holder 6 and secured by a clamping bracket 4 in this.
  • the art fabric holder 6 is inserted into a metallic cup-shaped housing portion 8 of the lamp and secured there.
  • the plastic holder 6 has a male thread Au ⁇ holding a glass approximately frustoconical lampshade 10 serving as a light diffuser, and is shown in Figure 1 only partially.
  • the lamp Screen 10 is attached to a peripheral edge of the housing section 8.
  • a metallic bent housing tube 12 is attached, of which only a part is shown in FIG.
  • FIG. 2 shows a first embodiment of an inventions ⁇ to the invention in a perspective view from below.
  • Six cup-shaped housing sections 8 with corresponding lampshades 10 are attached to the luminaire according to the invention such that they form a chandelier.
  • the respective curved housing tubes 12 are attached to a central portion of the lamp.
  • the bent housing tubes 12, the housing sections 8 and the lampshades 10 of the luminaire according to the invention in this case correspond to those of the prior art shown in FIG.
  • LEDs are provided inside the lamp shades 10, which are explained with reference to FIG.
  • Figure 3 shows a section of the firstforsbei ⁇ game of the lamp according to the invention according to Figure 2 in a partially sectioned view. Only the differences from the arrangement shown in FIG. 1 according to the prior art are explained below.
  • a brass sleeve 114 is inserted and pressed there with the plastic holder 6 or glued.
  • a fine thread is arranged, into which a corresponding Henden hollow cylindrical threaded portion 102c of Mes ⁇ sing is screwed.
  • This is integrally formed with a radially expanded cylindrical portion 102a, at its side remote from the threaded portion 102c side (in Figure 3 above) is a pyramid-shaped portion 102 is integrally attached.
  • the three sections 102a, 102b, 102c are made of brass and together form a heat sink 102.
  • the cylindrical portion 102a is inserted in the art ⁇ fabric holder 6 and screwed over the threaded portion 102c with the brass sleeve 114th
  • the brass ⁇ sleeve 114 is pressed into a housing formed by the tube 12 from ⁇ recess 116 and provide for better thermal contact with thermal grease.
  • the pyramidal section 102b has four abutment surfaces, to each of which a printed circuit board 118 is fastened with a screw 120.
  • a Oslon ® LED (1W) 101 of the Applicant is arranged with a current consumption of 350 mA.
  • the four LED 's 101 are connected in series and are powered by a (not shown) cable (+/-).
  • the cable he ⁇ extends through the recess 116 and by a (not shown) longitudinal bore of the cylindrical portion 102a and thus also through the brass sleeve 114.
  • the cable continues through a bore 102d in the cylindrical portion 102a and is attached because of the series circuit two of the four circuit boards 118 connected.
  • the terminals are either soldered or connected because of ei ⁇ ner simplified interchangeability of the heat sink 102 via a (not shown) plug connection.
  • a (not shown) plug connection Between the circuit boards 118 and the pyramidal portion 102b and between the brass sleeve 114 and the recess 116 of the housing tube 12 is each ⁇ heat conductive paste arranged.
  • the heat generated by the LED Oslon ® 's 101 through the heat sink 102 and through the fine thread between the threaded portion 102c and the brass sleeve 114 can be dissipated to the housing tube 12th
  • the heat sink 102 to the circuit boards 118 and the LED may Oslon ® 's 101 simply taken out of the lamp according to the invention and the How-be used.
  • the lamp according to the invention (see FIG. 2) is therefore a total of 24 Oslon ® LED 's 101 be ⁇ tee t, wherein a (not shown) OmA 70-current source has two parallel LED strings, each with twelve Oslon ® LED' s 101 operates, which prevents a thermal divergence of a thermal divergence of the two strands.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne une lampe à DEL comprenant un boîtier de lampe pourvu d'un logement qui est approprié au logement ou à l'insertion d'une douille, notamment d'une douille G9 conforme à la norme CEI 60432, d'une ampoule halogène dotée d'un culot à ergots, à grande intensité. En variante selon l'invention, un dissipateur thermique peut être logé ou inséré dans le logement et une DEL peut être fixée à ce dissipateur thermique.
EP11738996A 2010-07-06 2011-06-29 Lampe à del Withdrawn EP2531771A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010031008A DE102010031008A1 (de) 2010-07-06 2010-07-06 LED-Leuchte
PCT/EP2011/060933 WO2012004172A1 (fr) 2010-07-06 2011-06-29 Lampe à del

Publications (1)

Publication Number Publication Date
EP2531771A1 true EP2531771A1 (fr) 2012-12-12

Family

ID=44629553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11738996A Withdrawn EP2531771A1 (fr) 2010-07-06 2011-06-29 Lampe à del

Country Status (5)

Country Link
US (1) US20130107546A1 (fr)
EP (1) EP2531771A1 (fr)
CN (1) CN102971582A (fr)
DE (1) DE102010031008A1 (fr)
WO (1) WO2012004172A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207279337U (zh) * 2017-10-12 2018-04-27 维必玛电器（汕头）有限公司 矿物盐灯泡
DE102017130236B4 (de) 2017-12-15 2019-12-12 Ledvance Gmbh LED-Leuchte
US11131435B2 (en) * 2018-03-02 2021-09-28 Karen Benninghoff Apparatus and methods of improvement of solar light fixtures

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2265903A (en) * 1939-12-05 1941-12-09 Richard A Hartje Smoke raiser lamp
US7976211B2 (en) * 2001-08-24 2011-07-12 Densen Cao Light bulb utilizing a replaceable LED light source
CN2690729Y (zh) * 2004-01-19 2005-04-06 上海华翔电子光源有限公司 光源装置
JP2006244725A (ja) * 2005-02-28 2006-09-14 Atex Co Ltd Ｌｅｄ照明装置
DE102007037190A1 (de) * 2007-08-07 2009-02-12 Xinshen Xue Hochleistungs-LED-Lampe
US20100001662A1 (en) * 2008-02-27 2010-01-07 Nelkin Allan R Led candelabra fixture and lamp
US7891838B2 (en) * 2008-06-30 2011-02-22 Bridgelux, Inc. Heat sink apparatus for solid state lights
DE202008011883U1 (de) * 2008-09-05 2008-11-06 Sensitive Electronic Co., Ltd., Kuri Shan Shung Eine Lampe mit lichtemittierender Diode
DE202009018161U1 (de) * 2008-09-05 2011-04-07 Braun, André Gasleuchtenmittel
DE102010000738A1 (de) * 2009-11-25 2011-05-26 Ledon Lighting Jennersdorf Gmbh LED-Lampe mit Stiftsockel für Halogenlampen (Bipin)
CN201696936U (zh) * 2010-06-13 2011-01-05 沈锦祥 Led塔形发光模组
US8272762B2 (en) * 2010-09-28 2012-09-25 Lighting Science Group Corporation LED luminaire

Also Published As

Publication number Publication date
DE102010031008A1 (de) 2012-01-12
US20130107546A1 (en) 2013-05-02
WO2012004172A1 (fr) 2012-01-12
CN102971582A (zh) 2013-03-13

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