EP0835521B1 - Elektrische lampe - Google Patents

Elektrische lampe Download PDF

Info

Publication number
EP0835521B1
EP0835521B1 EP97923738A EP97923738A EP0835521B1 EP 0835521 B1 EP0835521 B1 EP 0835521B1 EP 97923738 A EP97923738 A EP 97923738A EP 97923738 A EP97923738 A EP 97923738A EP 0835521 B1 EP0835521 B1 EP 0835521B1
Authority
EP
European Patent Office
Prior art keywords
electric lamp
cavity
lamp according
contact lug
parts
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
EP97923738A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0835521A1 (de
Inventor
Peter Helbig
Hermann Steiner
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 EP0835521A1 publication Critical patent/EP0835521A1/de
Application granted granted Critical
Publication of EP0835521B1 publication Critical patent/EP0835521B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Definitions

  • the invention relates to an electric lamp according to the preamble of Claim 1.
  • Such an electrical, corresponding to the preamble of claim 1 Lamp is disclosed for example in patent specification EP 0 172 529.
  • This document describes an electric light bulb, in particular a motor vehicle headlight lamp, with a lamp bulb squeezed on one side and a lamp base made of metal and plastic parts.
  • the pinch base of the lamp bulb is in a metallic holding part of the Lamp base fixed, while the electrical designed as contact flags Connections of the lamp in the base part made of plastic are accommodated.
  • the base part has a cavity in the leads of the lamp led out of the squeezing foot protrude into it.
  • These power supplies are in the cavity of the base part welded to one end of a contact tab.
  • the base of the base is filled with a potting compound. This Sealing ensures that no moisture, which can corrode the Reflector would penetrate into the headlight through the lamp base can.
  • the electric lamps according to the invention have a lamp base on a connection area consisting of an electrically insulating material owns the electrical connections of the lamp are.
  • the connection area has a cavity into which one or protrude more power supply lead out of the lamp bulb. They are there each with the end of a contact flag electrical connection electrically connected.
  • the seal the lamp base is carried out according to the invention with the help of one or more, with fittings for the power supply, molded parts, that from a heat-resistant, elastic and slightly compressible Material.
  • the molded part or parts sit on at least a contact tab and lie with a press fit on the boundary of the cavity Wall as well as on or through the Power supplies.
  • the press fit is advantageously by means of which generates at least one contact lug, which exerts pressure on the or exercises the molded parts.
  • the or the molded part are advantageous arranged in a fitting recess. This spreads the exerted by the at least one contact lug on the molded part or parts Pressure evenly over the entire body of the molded part and there will be an optimal press fit of the molded part (s) on the adjacent one Cavity walls and on the power supply (s) carried out achieved.
  • this is Moldings advantageously made of silicone.
  • the use has proven itself of several comparatively thick-walled, hose-like molded parts Made of silicone, each for one of the in the cavity of the Have connection leads protruding power supplies.
  • the ends of the contact lugs projecting into the cavity are advantageous claw-like and hooked to the cavity wall or clawed. This allows the contact lugs to be welded even before welding with the power leads a secure pre-fixation under mechanical Voltage contact lugs are guaranteed.
  • the contact lugs are advantageously each with a Breakthrough equipped for the power supply.
  • the bushings for the contact lug or the contact lugs in the connection area of the base are advantageously each with an insertion slope equipped with an oblique insertion with respect to the base axis the contact lugs and then tipping the contact lugs in allow in the base axis.
  • connection area is closed with the help of a cover, which advantageously extends into the cavity Has web that on the facing away from the molded part or from the molded parts Surface of the contact lug or the contact lugs is seated.
  • This Bridge gives the contact flags additional hold.
  • the connection area of the The base advantageously consists of a heat-resistant plastic.
  • Lamp is a single filament halogen lamp that is for is intended for use in a motor vehicle headlight. That lamp has a glass, essentially cylindrical lamp bulb 10 with a tightly pinched lamp bulb end 10a, which is usually called Squeeze foot 10a is called.
  • the dome 10b of the lamp bulb 10 is with with a black, light-absorbing coating.
  • As a light source serves an incandescent filament 10c aligned parallel to the lamp bulb axis, the electrically conductive with current leads led out of the squeezing foot 10a 11 is connected.
  • the lamp bulb 10 is with its pinch foot 10a fixed in a metallic holder part 12 designed as a fixing ring.
  • the fixing ring 12 is supported by an annular, metallic carrier sleeve 13 carried.
  • the carrier sleeve 13 has four integrally formed welding tabs 13a are spot-welded or LASER-welded to the fix ring 12.
  • the lamp base also one provided with the electrical connections 15 of the lamp Plastic base part 14 in which the carrier sleeve 13 is anchored.
  • This Plastic base part 14 forms the connection area of the lamp base.
  • the electrical connections 15 of the lamp are designed as contact lugs, which are each welded to one of the power supply lines 11.
  • Plastic base part 14 is an injection molded part into which the metallic Carrier sleeve 13 is injected.
  • the plastic base part 14 has three molded reference lugs arranged equidistantly along a circumference 14a, which is used for adjusting the filament 10c and for fastening the Serve lamp in the reflector 17 of the headlamp.
  • the one in the lamp holder trained opening 17a of the reflector 17 engaging reference lugs 14a are each formed by a molded onto the carrier sleeve 13 and covered by this angled cover flap 13b and thus against that of the incandescent filament 10c is shielded from infrared radiation.
  • the plastic base part 14 also has an annular, conical design Groove 14b in which a sealing ring 16 made of rubber or silicone is arranged.
  • the sealing ring 16 lies on the outside of the reflector wall 17 and seals the opening 17a designed as a lamp holder of the reflector.
  • the inner diameter of the sealing ring 16 is fit matched to the conical groove 14b and varies linearly with the sealing ring height.
  • the three reference lugs 14a, the sealing ring 16 and one below a reference lug 14a on the metallic carrier sleeve 13 molded pressure spring 13c are used for the correct mounting of the Lamp in the lamp holder 17a of the reflector.
  • the lamp base and the Lamp socket 17a form a bayonet catch.
  • plastic base part 14 forming the connection area Details of the plastic base part 14 forming the connection area are shown in Figure 2. For the sake of clarity, it is Pinch foot 10a not shown in FIG. 2 and the power supply lines 11 only partially, that is, not shown in full length.
  • the plastic base part 14 has a cavity 18 into which the two of them the power supply leads to the pinch foot 10a of the lamp bulb 10 11 and the ends of two contact tabs 15 protrude.
  • Cavity 18 are two tubular molded parts 19 made of silicone, which each in a fitting, from the walls of the plastic base part 14th formed recess 18a are arranged.
  • the outside diameter of the tube-like molded parts 19 is considerably larger than its inner diameter.
  • Each of the power supplies 11 is through the implementation of a tubular molding 19 and through an opening 15b in the Cavity 18 protruding end of the contact lug welded to it 15 passed.
  • the molded parts 19 each sit on a contact tab 15 on.
  • Each contact tab 15 exerts pressure on the corresponding one Molding 19, so that it slightly compresses in the hose axis is and thereby with a press fit on the 18a defining the recess Walls and abuts the power supply 11 passed through. To this A gas-tight seal is made in the area of the power supply lines 11 of the lamp base guaranteed.
  • the ends 15a of the contact tabs 15 projecting into the cavity 18 are claw-like and in the rear wall of the plastic base part 14 clawed.
  • the bushings 20 provided for the contact lugs 15 in the plastic base part 14 each have an insertion bevel 20a, which facilitates the assembly of the contact lugs 15.
  • the cavity 18 becomes closed with the help of a snap-on lid 21.
  • the inside of the Cover 21 is formed with an extending into the cavity 18 Web 22 provided on the surface facing away from the molded parts 19 the contact tabs 15 is seated and under mechanical tension gives standing contact flags 15 additional hold.
  • the tubular fittings 19 are thereby Contact tabs 15 pressed into the recesses 18a and slightly compressed, so that the molded parts 19 with a press fit on the recesses 18a delimiting walls and on the through the molded parts 19 Power supplies 11 are present.
  • claw when tipping the contact lugs 15 in the base axis A-A the claw-like Ends 15a of the contact tabs 15 in the rear wall of the plastic base part 14.
  • the contact tabs 15 in their axial Alignment pre-fixed.
  • the breakthroughs 15b protruding ends of the power leads 11 with the contact tabs 15 welded.
  • the cavity 18 is snapped open Cover 21 closed.
  • FIGS 3 and 4 show a second embodiment of a contact tab.
  • the contact tab 15 ' according to the second embodiment has one with an opening 15b 'for a power supply 11 rectangular contact surface 15d ', on which the contact surface 15e' is formed.
  • the contact surface 15d 'and the contact surface 15e' are perpendicular to each other arranged and connected to one another via a twisted region 15f '.
  • claws 15a ', 15c' are on the opposite of the contact tab 15e ' Formed side of the support surface 15d ', while the third claw 15c' molded onto the same side of the support surface 15d 'as the contact surface 15e' is.
  • the claws 15a ', 15c' are not angled from the contact surface 15d 'here, but instead arranged on the same level.
  • the invention is not limited to the exemplary embodiments explained in more detail above.
  • a single molded part made of a heat-resistant, elastic and slightly compressible material and with multiple bushings for each of the power leads led out of the lamp bulb is provided.
  • the molded parts not necessarily made of silicone, but can also be made of another Material with similar heat resistance, elasticity and compressibility how silicone is made. It can also be in the cavity of the plastic base part protruding ends of the contact lugs, for example be snapped behind a projection on the cavity wall. So you do not necessarily have to be claw-like.
  • a material for the plastic base part 14 they are usually suitable in lamp technology used thermosets and thermoplastics.

Landscapes

  • 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)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Connecting Device With Holders (AREA)
EP97923738A 1996-04-24 1997-04-17 Elektrische lampe Expired - Lifetime EP0835521B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19616409A DE19616409A1 (de) 1996-04-24 1996-04-24 Elektrische Lampe
DE19616409 1996-04-24
PCT/DE1997/000771 WO1997040521A1 (de) 1996-04-24 1997-04-17 Elektrische lampe

Publications (2)

Publication Number Publication Date
EP0835521A1 EP0835521A1 (de) 1998-04-15
EP0835521B1 true EP0835521B1 (de) 2000-07-12

Family

ID=7792334

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97923738A Expired - Lifetime EP0835521B1 (de) 1996-04-24 1997-04-17 Elektrische lampe

Country Status (16)

Country Link
US (1) US6005336A (hu)
EP (1) EP0835521B1 (hu)
JP (1) JP3207439B2 (hu)
KR (1) KR100256842B1 (hu)
CN (1) CN1104033C (hu)
AR (1) AR006798A1 (hu)
AU (1) AU2948897A (hu)
BR (1) BR9702308A (hu)
CZ (1) CZ287439B6 (hu)
DE (2) DE19616409A1 (hu)
ES (1) ES2148981T3 (hu)
HU (1) HU221363B1 (hu)
MX (1) MX9709336A (hu)
PL (1) PL181897B1 (hu)
TW (1) TW400535B (hu)
WO (1) WO1997040521A1 (hu)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3777034B2 (ja) * 1997-12-11 2006-05-24 株式会社小糸製作所 放電ランプ装置用絶縁プラグ
DE19843506A1 (de) * 1998-09-23 2000-03-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Lampe
DE19855412A1 (de) * 1998-12-01 2000-06-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Lampe
DE19955979A1 (de) * 1999-11-20 2001-05-23 Ist Metz Gmbh Anschlußanordnung für eine stabförmige zweiendige Entladungslampe
EP1190439B1 (en) * 1999-12-17 2007-08-08 Koninklijke Philips Electronics N.V. Lamp cap, assembly of lamp burner and lamp cap, and method of fastening a lamp
US6577106B2 (en) 2000-11-30 2003-06-10 Honeywell International Inc. Multi-functional AC/DC converter
DE10224293A1 (de) * 2002-05-31 2003-12-11 Philips Intellectual Property Verfahren zur Herstellung von Teilbeschichtungen auf Lampenkolben
US6811285B2 (en) 2002-10-24 2004-11-02 Guide Corporation Method and structure for attaching a lens to a housing in an automotive lighting assembly
WO2005013315A2 (en) * 2003-08-01 2005-02-10 Philips Intellectual Property & Standards Gmbh Lamp and method of manufacturing same
DE102004007150A1 (de) * 2004-02-12 2005-08-25 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Sockel für eine Scheinwerferlampe und Scheinwerferlampe
DE102005023797A1 (de) * 2005-05-19 2006-11-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Sockel für eine Lampe
DE202006002888U1 (de) 2006-02-21 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und Lampe mit einem Lampensockel
US7417364B2 (en) * 2006-09-11 2008-08-26 Osram Sylvania, Inc. Light source with sealant cover
DE102007023637B8 (de) 2007-05-22 2010-06-02 Friedrich-Alexander-Universität Erlangen-Nürnberg Lampensockel für eine elektrische Lampe
DE102007023636B4 (de) 2007-05-22 2009-04-16 Friedrich-Alexander-Universität Erlangen-Nürnberg Lampensockel für eine elektrische Lampe und Verfahren zur Herstellung eines Lampensockels
DE102008024495A1 (de) 2007-12-21 2009-06-25 Hubert Stüken GmbH & Co. KG Lampensockel für eine elektrische Lampe
DE102008056185A1 (de) 2008-11-06 2010-05-12 Osram Gesellschaft mit beschränkter Haftung Glühlampe
DE102009040572A1 (de) * 2009-09-08 2011-03-10 Osram Gesellschaft mit beschränkter Haftung Lampeneinheit
DE102011000716A1 (de) * 2011-02-07 2012-08-09 Novaled Ag Leuchte
US10066801B1 (en) 2017-10-04 2018-09-04 Osram Sylvania Inc. Vehicle lamp reflector having ventilation channel adjacent lamp capsule

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3528399A1 (de) * 1984-08-24 1986-02-27 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Elektrische lampe
DE69400810T2 (de) * 1993-03-31 1997-04-30 Philips Electronics Nv Elektrische Lampe
JP3259523B2 (ja) * 1994-06-17 2002-02-25 松下電器産業株式会社 白熱電球
US5610472A (en) * 1994-10-25 1997-03-11 Osram Sylvania Inc. Lamp assembly with resilient connector for locating and cushioning neon lamp

Also Published As

Publication number Publication date
CZ287439B6 (en) 2000-11-15
MX9709336A (es) 1998-02-28
JPH10510675A (ja) 1998-10-13
AR006798A1 (es) 1999-09-29
CZ415697A3 (cs) 1998-07-15
TW400535B (en) 2000-08-01
HUP9901566A3 (en) 2000-08-28
DE19616409A1 (de) 1997-10-30
HUP9901566A2 (hu) 1999-08-30
WO1997040521A1 (de) 1997-10-30
HU221363B1 (en) 2002-09-28
DE59702003D1 (de) 2000-08-17
PL181897B1 (en) 2001-10-31
PL324030A1 (en) 1998-05-11
KR19990028378A (ko) 1999-04-15
US6005336A (en) 1999-12-21
ES2148981T3 (es) 2000-10-16
CN1189917A (zh) 1998-08-05
JP3207439B2 (ja) 2001-09-10
CN1104033C (zh) 2003-03-26
BR9702308A (pt) 1999-07-20
AU2948897A (en) 1997-11-12
EP0835521A1 (de) 1998-04-15
KR100256842B1 (ko) 2000-05-15

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