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EP2122665B1 - Culot et lampe - Google Patents

Culot et lampe Download PDF

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Publication number
EP2122665B1
EP2122665B1 EP07847924A EP07847924A EP2122665B1 EP 2122665 B1 EP2122665 B1 EP 2122665B1 EP 07847924 A EP07847924 A EP 07847924A EP 07847924 A EP07847924 A EP 07847924A EP 2122665 B1 EP2122665 B1 EP 2122665B1
Authority
EP
European Patent Office
Prior art keywords
lamp
closure element
base part
plastic base
lamp base
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.)
Not-in-force
Application number
EP07847924A
Other languages
German (de)
English (en)
Other versions
EP2122665A1 (fr
Inventor
Peter Helbig
Gerhard Bher
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 EP2122665A1 publication Critical patent/EP2122665A1/fr
Application granted granted Critical
Publication of EP2122665B1 publication Critical patent/EP2122665B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/72—Three-pole devices
    • 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
    • H01K1/465—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 with means to prevent loosening or unauthorised removal of the lamp

Definitions

  • the invention relates to a lamp base according to the preamble of claim 1 and a lamp with such a lamp base.
  • Such a lamp cap is for example in the German utility model DE 20 2006 002 888 U1 disclosed.
  • This utility model describes a lamp cap having a plastic base part provided with three electrical terminals for supplying power to two incandescent filaments of the lamp enclosed by a lamp vessel, the electrical terminals having contact portions each for connection to a power supply wire projecting from the lamp vessel for the two Filaments are provided.
  • the lamp base is equipped with a closure element for covering the contact elements.
  • the closure element is fixed by means of a press fit on the plastic base part. For this, the closure element has a pin which is inserted into a fitting recess of the plastic base part.
  • the lamp base according to the invention has a plastic base part which is provided with electrical connections for supplying energy to at least one lamp enclosed by a lamp vessel, wherein the electrical connections have contact sections which provide for connection to power supply lines of the at least one light source protruding from the lamp vessel are, and the lamp cap is provided with a closure element for covering the contact elements, which is fixed to the plastic base part by a latching connection.
  • the latching connection between the plastic base part and the closure element is advantageously designed such that it is not visible in the locked state of closure element and plastic base part in order to avoid attempts to open the latching closure are undertaken.
  • the plastic base part has a recess for receiving the closure element in order to enable secure anchoring of the closure element on the plastic base part.
  • the plastic base part is preferably equipped with first guide means and the closure element has second guide means, which are matched to the first guide means, in order to simplify the insertion of the closure element into the recess.
  • the latching connection is arranged in the region of the aforementioned guide means.
  • the first or the second guide means are provided with resiliently formed latching lugs, which are tuned to fit recesses in the second and first guide means for forming the latching connection.
  • the first, arranged on the plastic base part guide webs and the second, arranged on the closure element guide webs are formed according to the preferred embodiment as interlocking guide webs to ensure a secure guidance of the closure element when mounted on the plastic base part.
  • the plastic base part and the closure element of the lamp base according to the invention advantageously form an interior in which the contact portions of the electrical connections are arranged.
  • this interior before the assembly of the closure element, the power supply lines protruding from the lamp vessel can be connected, that is, welded or soldered, to the contact sections of the electrical connections.
  • the closure element of this interior is covered, so that the connections between the power supply wires and the electrical connections are inaccessible from the outside.
  • the latching connection between the plastic base part and the closure element is covered by a wall region of the closure element or of the plastic base part.
  • the lamp base according to the invention is preferably used in vehicle lamps, for example in halogen lamps for motor vehicle headlights.
  • FIG. 1 a halogen incandescent lamp according to the invention for a vehicle headlight is shown.
  • This halogen incandescent lamp has a glassy, substantially cylindrical lamp vessel 10, in the interior of which two. Arranged parallel to the lamp vessel axis incandescent filaments 21, 22 are arranged, which serve to produce a high beam and a daytime running light.
  • the filaments 21, 22 are formed as simple coiled tungsten wires.
  • the filament outlets 211, 212 and 221, 222 of the incandescent filaments 21 and 22 are each wrapped with a molybdenum foil, which serves as a welding aid when welding the filament outlets 211, 212 and 221, 222 with power supply lines for the filaments 21, 22.
  • a sealed end 11 of the lamp vessel 10 is anchored in a lamp base 30.
  • the first filament 21 is partially surrounded by a dimming cap 4 formed from molybdenum sheet metal.
  • the dimming cap 4 is supported by a first power supply wire 51, the together with a second 52 and third power supply wire 53 for powering the two filaments 21, 22 is used.
  • a first spiral outlet 211 of the first incandescent filament 21 is welded by a projection welding with a welding lug 41 of the antiglare cap 4 and thereby electrically connected to the first current supply wire 51 via the antiglare cap 4.
  • the second coil outlet 212 of the first filament 21 is welded to the third power supply wire 53.
  • the first coil outlet 221 of the second filament 22 is also welded to the third power supply wire 53.
  • the second coil outlet 222 of the second filament 22 is welded to the second power supply wire 52.
  • the three power supply wires 51, 52, 53 each consist of molybdenum and are fixed between two fused quartz glass webs 13, so that they are arranged in a common plane.
  • the three power supply wires 51, 52, 53 are passed through the sealed end 11 of the lamp vessel 10 and each electrically connected to one of the three contact lugs 61, 62 or 62.
  • the three contact lugs 61, 62, 63 protrude laterally out of the lamp cap 30 and form the electrical connections of the halogen incandescent lamp.
  • the lamp base 30 is formed as a metal-plastic base, which has both a metallic base portion 31 and a base portion 32 made of plastic.
  • the lamp vessel 10 is anchored and the existing plastic base portion 32 is provided with the electrical contacts 61, 62, 63 of the lamp.
  • a metallic spring ring For mounting the halogen incandescent lamp in the headlight reflector serve a metallic spring ring with three spring tabs 311 and three key tabs 312. The edge of the mounting hole of the reflector is arranged by clamping the lamp in the headlight clamping between the spring tabs 311 and the key tabs 312.
  • a leaf spring 341 serves for the lateral fixing of the lamp in the mounting opening of the headlight reflector. It acts perpendicular to the longitudinal extent of the lamp.
  • the plastic base portion 32 comprises the in FIG. 4 illustrated plastic base part 320, which is equipped with the electrical terminals 61, 62, 63 is, and also made of plastic closure element 330, which in the FIGS. 2 and 3 is shown.
  • the plastic base part 320 has a circular disk-shaped section 3201 and two webs 3210, 3220 which are opposite one another and are formed on the underside of the section 3201 facing away from the lamp vessel 10, which extend parallel to the axis of the circular disk-shaped section 3201 and to the longitudinal axis AA of the lamp.
  • the three contact lugs 61, 62, 63 each consist of a metal sheet and are embedded in the first web 3210 so that their free ends protrude laterally or radially out of the web 3210 of the plastic base part 320 and are arranged one above the other in the direction of the lamp longitudinal axis.
  • the welded to the power supply wires 51, 52, 53 ends 610, 620, 630 of the contact lugs 61, 62, 63 are close to the axis of the circular disc-shaped portion 3201, in a recess 3202 on its underside 3200, that is, on the lamp vessel 10th remote side 3200 of the circular disk-shaped portion 3201 arranged.
  • ends 610, 620, 630 of the contact lugs 61, 62, 63 each have an opening through which the corresponding power supply wire 51, 52 and 53 is passed and on the side facing away from the lamp vessel 10 Bottom of the contact lug 61, 62 and 63 with the end 610, 620 and 630 of this contact lug 61, 62, 63 is welded.
  • the two webs 3210, 3220 each have, on their side facing the recess 3202, two guide rails 3211, 3212 and 3221, 3222, which serve to guide the closure element 321 to be inserted into the recess 3202.
  • the guide rails 3211, 3212 of the first web 3210 are each provided on their underside 3200 of the circular disk-shaped section 3201 facing the end with a recess 3213.
  • the guide rails 3221, 3222 of the second web 3220 have a recess 3223 on their end facing the underside 3200 of the circular disk-shaped section 3201.
  • These recesses 3213, 3223 allow a latching connection with locking lugs 3311, 3312, 3321, 3322 arranged on the closure element 330 during insertion of the closure element 330 in the recess 3202 in recesses 3213, 3223 engage.
  • the closure element 330 has a web-like section 3300 with two opposite narrow end faces 3310, 3320 and two likewise opposite, concavely curved broad sides 3330, 3340. To the broad sides 3330 or 3340 is at the upper end of the web-like portion 3300 each have a half-shell-shaped portion 3350 or 3360 integrally formed. In each case, a wing-like portion 3370 or 3380 of the closure element 330 connects to these half-shell-shaped portions 3350 and 3360, respectively.
  • the wing-like portions 3370, 3380 are flat, nearly flat and serve primarily to provide a sufficient area for a lettering 3381, for example by means of a laser.
  • the two narrow end faces 3310 and 3320 have at their upper end in each case two spring tabs 3314 and 3315 or 3324 and 3325 separated from one another by a slot 3313 or 3323, each of which is provided with a latching nose 3311, 3312, 3321, 3322 ,
  • the locking lugs 3311, 3312, 3321, 3322 are respectively arranged on the side facing away from the slot 3313 or 3323 side of the spring tabs 3314, 3315, 3324, 3325.
  • the narrow end faces 3310 or 3320 of the closure element 330 engage in the space between the guide rails 3211 and 3212 or 3221 and 3222 on the webs 3210 and 3220 of the plastic base part.
  • the spring tabs 3314 and 3315 or 3324 and 3325 are first pressed together, so that the slot 3313 or 3323 is narrowed between them.
  • the half-shell-shaped sections 3350 and 3360 of the closure element 330 cover the contact sections 610, 620, 630 of the electrical connections 61, 62, 63 arranged on the underside 3200 of the circular-disk-shaped section 3201.
  • the intermediate spaces between the two half-shell-shaped sections 3350, 3360 in the region of the end faces 3310, 3320 are closed by the webs 3210, 3220, so that the half-shell-shaped sections 3350, 3360 of the closure element 330 and the webs 3210, 3220 and the bottom 3200 of the plastic base part 320 an encapsulated interior space 350 for the contact portions 610, 620, 630 of the electrical connections 61, 62, 63 form.
  • the locking lugs 3311, 3312, 3321, 3322 and the recesses 3213, 3223 for the latching lugs are covered by the half-shell-shaped sections 3350, 3360 of the closure element 330 after assembly of the closure element 330 on the plastic base part 320, so that the latching connection is not visible from the outside.
  • the closure element 330 fills the gap of the opposing webs 3210, 3220 and forms with these a handle for inserting the lamp into a corresponding mounting opening of a vehicle headlight.
  • the closure element 330 is preferably made of colored plastic, wherein the closure elements 330 are made for different lamp versions of different colored plastics.
  • the closure element 330 is made, for example, of polyamide or polybutylene terephthalate, while the plastic base part 320 arranged closer to the lamp vessel 10 consists of a plastic with higher thermal stability, for example of polyphenylene sulfide.
  • the plastic base part 320 and the closure element 330 are each formed, for example, as a plastic injection-molded part.
  • the closure element 330 can be used to color code the lamp by having different lamp types for characterizing the type with differently colored shutter members 330.
  • the invention is not limited to the embodiment described in detail above, but can also be applied to other lamp types.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Connecting Device With Holders (AREA)

Claims (10)

  1. Culot de lampe ayant une partie ( 320 ) de culot en matière plastique, qui est munie de bornes ( 61, 62, 63 ) électriques d'alimentation en énergie d'au moins un agent ( 21, 22) lumineux de la lampe entouré d'une enceinte ( 10 ) de lampe, les bornes (61, 62, 63 ) électriques ayant des segments ( 610, 620, 630 ) de contact, qui sont prévus pour la liaison avec des entrées ( 51, 52, 53 ) de courant du au moins un agent ( 21, 22) lumineux, qui sortent de l'enceinte ( 10 ) de la lampe, et le culot de lampe étant équipé d'un élément ( 330 ) de fermeture pour recouvrir les segments ( 610, 620, 630 ) de contact, caractérisé en ce que l'élément ( 330 ) de fermeture est immobilisé sur la partie (320) de culot en matière plastique par une liaison ( 3213, 3223, 3311, 3312, 3321, 3322 ) par encliquetage.
  2. Culot de lampe suivant la revendication 1, dans lequel la liaison ( 3213, 3223, 3311, 3312, 3321, 3322) par encliquetage est constituée de manière à ne pas être visible lorsque l'élément (330) de fermeture et la partie ( 320 ) de culot en matière plastique sont à l'état encliqueté.
  3. Culot de lampe suivant la revendication 1 ou 2, dans lequel la partie ( 320 ) de culot en matière plastique a un évidement ( 3202 ) de réception de l'élément ( 330 ) de fermeture.
  4. Culot de lampe suivant la revendication 3, dans lequel la partie ( 320 ) de culot en matière plastique est munie dans la partie d'évidement (3202) de premiers moyens ( 3211, 3212, 3221, 3222 ) de guidage et l'élément ( 330 ) de fermeture est muni de deuxièmes moyens ( 3310, 3320 ) de guidage, qui sont adaptés aux premiers moyens ( 3211, 3212, 3221, 3222 ) de guidage.
  5. Culot de lampe suivant la revendication 4, dans lequel la liaison ( 3213, 3223, 3311, 3312, 3321, 3322 ) par encliquetage est disposée dans la partie des moyens ( 3211, 3212, 3221, 3222, 3310, 3320 ) de guidage.
  6. Culot de lampe suivant la revendication 4 ou 5, dans lequel, pour former la liaison par encliquetage, les premiers ou deuxièmes moyens ( 3211, 3212, 3221, 3222, 3310, 3320 ) de guidage sont munis de becs ( 3311, 3312, 3321, 3322) d'encliquetage constitués de manière élastique, qui sont adaptés à des évidements (3213, 3223 ) ajustés dans les deuxièmes ou premiers moyens ( 3310, 3320 ) de guidage.
  7. Culot de lampe suivant l'une ou plusieurs des revendications 3 à 6, dans lequel les premiers et deuxièmes moyens ( 3211, 3212, 3221, 3222, 3310, 3320 ) de guidage sont constitués en barrettes de guidage s'interpénétrant.
  8. Culot de lampe suivant l'une ou plusieurs des revendications 1 à 7, dans lequel la partie (320) de culot en matière plastique et l'élément (330) de fermeture forment un espace ( 350 ) intérieur, dans lequel les segments ( 610, 620, 630 ) de contact des bornes ( 61, 62, 63 ) électriques sont disposés.
  9. Culot de lampe suivant l'une ou plusieurs des revendications 1 à 8, dans lequel la liaison ( 3213, 3223, 3311, 3312, 3321, 3322 ) par encliquetage est recouverte, lorsque la partie ( 320 ) de culot en matière plastique et l'élément ( 330 ) de fermeture sont à l'état encliqueté, d'une partie ( 3350, 3360 ) de paroi de l'élément ( 330 ) de fermeture ou de la partie ( 320 ) de culot en matière plastique.
  10. Lampe ayant un culot de lampe suivant l'une ou plusieurs des revendications 1 à 9.
EP07847924A 2006-12-19 2007-12-06 Culot et lampe Not-in-force EP2122665B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006060026A DE102006060026A1 (de) 2006-12-19 2006-12-19 Lampensockel und Lampe
PCT/EP2007/063451 WO2008074648A1 (fr) 2006-12-19 2007-12-06 Culot et lampe

Publications (2)

Publication Number Publication Date
EP2122665A1 EP2122665A1 (fr) 2009-11-25
EP2122665B1 true EP2122665B1 (fr) 2011-02-23

Family

ID=39047515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07847924A Not-in-force EP2122665B1 (fr) 2006-12-19 2007-12-06 Culot et lampe

Country Status (7)

Country Link
US (1) US8177410B2 (fr)
EP (1) EP2122665B1 (fr)
JP (1) JP5065407B2 (fr)
CN (1) CN101542683B (fr)
AT (1) ATE499698T1 (fr)
DE (2) DE102006060026A1 (fr)
WO (1) WO2008074648A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006002888U1 (de) * 2006-02-21 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und Lampe mit einem Lampensockel
CN219588741U (zh) 2023-04-24 2023-08-25 东莞市辉环照明有限公司 一种免焊接防变形的灯头及其灯泡

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0618609B1 (fr) * 1993-03-31 1996-10-30 Koninklijke Philips Electronics N.V. Lampe électrique
JPH07161404A (ja) * 1993-12-10 1995-06-23 Sumitomo Wiring Syst Ltd コネクタ
TW315485B (fr) * 1995-10-26 1997-09-11 Philips Electronics Nv
DE102005013046A1 (de) * 2005-03-18 2006-09-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Sockel für eine Lampe
DE102005024435A1 (de) * 2005-05-24 2006-12-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und Lampe
DE202006002888U1 (de) 2006-02-21 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und Lampe mit einem Lampensockel
DE202006002889U1 (de) 2006-02-21 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und Lampe mit einem Lampensockel
DE202006009052U1 (de) 2006-06-07 2006-08-17 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und Lampe mit einem Lampensockel sowie Beleuchtungssystem

Also Published As

Publication number Publication date
JP2010511984A (ja) 2010-04-15
DE502007006571D1 (de) 2011-04-07
CN101542683A (zh) 2009-09-23
US8177410B2 (en) 2012-05-15
JP5065407B2 (ja) 2012-10-31
US20090257236A1 (en) 2009-10-15
DE102006060026A1 (de) 2008-06-26
EP2122665A1 (fr) 2009-11-25
ATE499698T1 (de) 2011-03-15
WO2008074648A1 (fr) 2008-06-26
CN101542683B (zh) 2010-11-17

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