EP0459170B1 - Fassung für eine Kleinglühlampe - Google Patents

Fassung für eine Kleinglühlampe Download PDF

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Publication number
EP0459170B1
EP0459170B1 EP91107088A EP91107088A EP0459170B1 EP 0459170 B1 EP0459170 B1 EP 0459170B1 EP 91107088 A EP91107088 A EP 91107088A EP 91107088 A EP91107088 A EP 91107088A EP 0459170 B1 EP0459170 B1 EP 0459170B1
Authority
EP
European Patent Office
Prior art keywords
holder
incandescent lamp
contact elements
recess
holder according
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
EP91107088A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0459170A1 (de
Inventor
Paul Albrecht
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0459170A1 publication Critical patent/EP0459170A1/de
Application granted granted Critical
Publication of EP0459170B1 publication Critical patent/EP0459170B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R33/05—Two-pole devices
    • H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H01R33/09—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for baseless lamp bulb

Definitions

  • the invention relates to a socket for an essentially cylindrical small incandescent lamp for contacting placement on a printed circuit board, with contact elements opening into the lower, essentially flat bottom surface, intended for resting on the counter contact surface of the printed circuit board and electrically connectable to the lamp wires, and having a recess for the small light bulb arranged horizontally.
  • sockets are designed so that they have a substantially cylindrical receiving part for the small incandescent lamp
  • general arrangements are provided are in which the lamp can be inserted from above or below through recesses in the printed circuit board and, if necessary, locked in the operating position by twisting.
  • the invention is therefore based on the object of designing a socket for a small incandescent lamp of the type mentioned at the outset in such a way that flat-build, populated printed circuit board arrangements can be achieved, and in addition particularly high luminous efficacies can also be emitted in a targeted manner.
  • the recess which extends at least into the vicinity of the bottom surface, is at least predominantly open at the top to accommodate the entire small incandescent lamp, the depth of the recess being less than or equal to half the diameter of the small incandescent lamp.
  • the necessary height for a combination of socket and small incandescent lamp can be reduced to practically the diameter of the small incandescent lamp, which in practice is always considerably smaller than the height of the small incandescent lamp.
  • the expansion can extend so far that it opens out at least linearly in the bottom surface, in which case the minimum overall height of the small-bulb lamp provided with the socket can actually be reached.
  • an overall height is achieved that only corresponds to the diameter of the small incandescent lamp, and thus a height that is still considerably smaller than the horizontal arrangement of a lamp with a base on the base, as in US Pat. No. 3,335,387.
  • the depth of the recess smaller than or equal to half the diameter of the small incandescent lamp, it protrudes upwards by half or more from the socket and can therefore emit its light not only upwards but also to the side.
  • the recess can be designed as a light reflector, which can be achieved, for example, by means of a corresponding white plastic housing or else a reflective coating of the recess.
  • the socket is provided with support knobs on the narrow side opposite the contact elements, the height of which Correspond to the protrusion of the contact elements on the floor surface.
  • the largest part of the bottom surface is arranged at a short distance from the circuit board, which opens up the possibility that an adhesive point is applied to the bottom surface, with the aid of which the socket is reliably pre-fixed when it is placed on the circuit board.
  • the final attachment is then carried out by wave soldering, in which the electrical connection between the mating contact surfaces of the printed circuit boards and the contact elements of the socket is then also established.
  • the contact elements can be designed in different ways. For example, they can be the conductor wires in rivets jamming electrically contacting from top to bottom, or they can also be L-shaped contact parts to be inserted into such cross bores, one leg of which rests against the bottom surface.
  • a construction has also proven to be very simple and also capable of being manufactured in an automated manner, in which the contact elements have the holder with the ones running on the top U-clamps encompassing clamping wires.
  • the socket 1 for an essentially cylindrical small incandescent lamp 2 according to FIGS. 1 to 3 is essentially designed as a flat cuboid with a recess 3, in which the small incandescent lamp 2 can be inserted lying. It is crucial that the recess 3 essentially penetrates the socket 1 in the direction of the lower bottom surface 4, ie that the distance between the bottom of the recess 3 and the bottom surface 4 is relatively small. If necessary, it can even be provided that the recess 3 opens at least partially open into the bottom surface. In this way, there is a minimum overall height of the component, which in extreme cases can be reduced to the diameter of the small incandescent lamp 2.
  • the recess 3 is formed reflective, which can be done in the simplest case by injecting the socket, for example, from a white plastic.
  • the recess 3 can also be provided with a reflecting surface. As can be seen in FIG.
  • the shape of the recess 3 does not exactly correspond to a segment of a circle, which on the one hand opens up the possibility of also absorbing the size and diameter tolerances of the small incandescent lamps 2 and creates other space to introduce some glue 17, with the help of which the small incandescent lamp is held in the recess 3.
  • rivets 7 are provided in the exemplary embodiment according to FIGS. 1 to 3, which clamp the connecting wires 6 in transverse bores 8 of the socket 1 and thus both hold the connecting wires 6 mechanically and also establish electrical contact with them.
  • the rounded lower rivet face 9 protrudes somewhat above the bottom surface of the socket. This is further exploited in the exemplary embodiment according to FIGS. 1 to 3 in that the socket is also provided on the opposite end side of the socket 1 with the protruding studs 10 corresponding to the rivet end faces 9.
  • the bottom surface of the socket when placed on the circuit board 5 is at a short distance from the circuit board, so that a very simple pre-fixation is possible by applying an adhesive point 11 to this bottom surface 4, which is in the Can distribute space between the circuit board and the bottom surface, so that it does not matter how large the volume of the adhesive point 11 is.
  • Fig. 4 shows a modified embodiment of a socket according to the invention, in which instead of rivets to form the contact elements U-clamps 7 'are provided, which grip around the socket with the connecting wires 6 thereon and thus fix the connecting wires both mechanically and electrically to contact.
  • FIGS. 5 and 6 finally show a further embodiment variant with essentially L-shaped contact parts 7 ', which are inserted from below through transverse bores 8' of the socket 1, so that one leg 7a of the bottom surface 4 of the socket 1 abuts.
  • the second leg 7b is provided with a recess 7c, in which a locking hook 16 formed in the transverse bore 8reift engages.
  • the lamp connecting wires 6 are clamped in slots 7d of the L-shaped contact elements 7 ⁇ .
  • FIGS 7 to 9 show an embodiment of a socket according to the invention with a horizontal incandescent lamp, in which the socket is pulled up on one side and receives one of the ends of the small incandescent lamp.
  • This training is particularly suitable for colored designs of indicator lights, since there is no light emission on the corresponding end face and therefore no colored cover is required on this side either.
  • the design of the contact elements is simplified in that the lamp connecting wires have been drawn through longitudinal bores in the end wall and bent twice at right angles in grooves. The grooves are - at least on the underside - less deep than the wire thickness, so that the wire can in any case make contact with the base surface of the socket.
  • FIGS. 7 to 9 The arrangement according to FIGS. 7 to 9 is only suitable for small incandescent lamps, the lamp connection wires of which have a certain minimum thickness of about 0.3 mm, for example.
  • the end wall In the case of lamps with thinner connecting wires, the end wall must be wrapped even further, as shown in FIGS. 10 to 12.
  • the lamp connection wires are pulled up again after the two right-angled bending on the underside and finally only clamped in a groove on the top, whereby the actual bracket function is not caused by the clamping effect, but the multiple bending.

Landscapes

  • Connecting Device With Holders (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP91107088A 1990-05-28 1991-05-02 Fassung für eine Kleinglühlampe Expired - Lifetime EP0459170B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4017131 1990-05-28
DE4017131A DE4017131C1 (enrdf_load_stackoverflow) 1990-05-28 1990-05-28

Publications (2)

Publication Number Publication Date
EP0459170A1 EP0459170A1 (de) 1991-12-04
EP0459170B1 true EP0459170B1 (de) 1994-10-12

Family

ID=6407330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91107088A Expired - Lifetime EP0459170B1 (de) 1990-05-28 1991-05-02 Fassung für eine Kleinglühlampe

Country Status (7)

Country Link
US (1) US5205641A (enrdf_load_stackoverflow)
EP (1) EP0459170B1 (enrdf_load_stackoverflow)
JP (1) JPH07120548B2 (enrdf_load_stackoverflow)
AT (1) ATE112897T1 (enrdf_load_stackoverflow)
DE (2) DE4017131C1 (enrdf_load_stackoverflow)
DK (1) DK0459170T3 (enrdf_load_stackoverflow)
ES (1) ES2061109T3 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5601360A (en) * 1996-06-07 1997-02-11 Paquette; James G. Plug-in electrical candle for a window sill
DE19624690A1 (de) * 1996-06-20 1998-01-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Fassung und Sockel für eine Kleinglühlampe
DE102010014473B4 (de) * 2010-04-09 2016-07-07 Bjb Gmbh & Co. Kg Fassung für ein Leuchtmittel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335387A (en) * 1965-05-26 1967-08-08 Sperry Rand Corp Lamp socket
GB1177953A (en) * 1966-04-18 1970-01-14 Rival Lamps Ltd Improvements relating to Lamp Holders
US3811042A (en) * 1972-08-29 1974-05-14 Truck Lite Co License plate lamp assembly
JPS52136584U (enrdf_load_stackoverflow) * 1976-04-12 1977-10-17
JPS5342890U (enrdf_load_stackoverflow) * 1976-09-17 1978-04-13
US4398240A (en) * 1978-05-19 1983-08-09 Savage John Jun Lens cap holder for attachment to circuit boards
GB2035722B (en) * 1978-10-23 1983-03-02 Tokyo Shibaura Electric Co Lamp holder for baseless lamp
US4445164A (en) * 1982-05-05 1984-04-24 Cherry Electrical Products Corporation Lighted key module assembly
US4456946A (en) * 1982-11-03 1984-06-26 Gte Products Corporation Subminiature array with flexible reflector
FR2550411B1 (fr) * 1983-08-01 1986-06-13 Telemecanique Electrique Support de voyant lumineux sur circuit imprime
US4547840A (en) * 1984-10-02 1985-10-15 United Technologies Automotive, Inc. Lamp holder for mounting a lamp on a circuit board
JPS63127089U (enrdf_load_stackoverflow) * 1987-02-12 1988-08-19
US4781960A (en) * 1987-02-27 1988-11-01 Industrial Devices, Inc. Structure for mounting indicator lights on a printed circuit board, and manufacturing method
US4943898A (en) * 1987-11-20 1990-07-24 U.S. Philips Corporation Electric lamp having a lamp cap of synthetic material
JPH065473B2 (ja) * 1988-02-24 1994-01-19 松下電工株式会社 大型画像表示装置
US4959761A (en) * 1989-12-21 1990-09-25 Dialight Corporation Surface mounted led package

Also Published As

Publication number Publication date
DE59103198D1 (de) 1994-11-17
EP0459170A1 (de) 1991-12-04
JPH07120548B2 (ja) 1995-12-20
US5205641A (en) 1993-04-27
DE4017131C1 (enrdf_load_stackoverflow) 1991-11-07
DK0459170T3 (da) 1995-03-13
JPH0729653A (ja) 1995-01-31
ATE112897T1 (de) 1994-10-15
ES2061109T3 (es) 1994-12-01

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