EP0459170B1 - Fassung für eine Kleinglühlampe - Google Patents
Fassung für eine Kleinglühlampe Download PDFInfo
- 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
Links
- 208000029154 Narrow face Diseases 0.000 claims 1
- 239000007767 bonding agent Substances 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 abstract description 2
- 230000000284 resting effect Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4017131 | 1990-05-28 | ||
DE4017131A DE4017131C1 (da) | 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 (da) |
EP (1) | EP0459170B1 (da) |
JP (1) | JPH07120548B2 (da) |
AT (1) | ATE112897T1 (da) |
DE (2) | DE4017131C1 (da) |
DK (1) | DK0459170T3 (da) |
ES (1) | ES2061109T3 (da) |
Families Citing this family (3)
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)
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 (da) * | 1976-04-12 | 1977-10-17 | ||
JPS5342890U (da) * | 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 (da) * | 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 |
-
1990
- 1990-05-28 DE DE4017131A patent/DE4017131C1/de not_active Expired - Lifetime
-
1991
- 1991-05-02 ES ES91107088T patent/ES2061109T3/es not_active Expired - Lifetime
- 1991-05-02 DK DK91107088.6T patent/DK0459170T3/da active
- 1991-05-02 EP EP91107088A patent/EP0459170B1/de not_active Expired - Lifetime
- 1991-05-02 DE DE59103198T patent/DE59103198D1/de not_active Expired - Fee Related
- 1991-05-02 AT AT91107088T patent/ATE112897T1/de not_active IP Right Cessation
- 1991-05-21 US US07/703,522 patent/US5205641A/en not_active Expired - Lifetime
- 1991-05-24 JP JP3149933A patent/JPH07120548B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5205641A (en) | 1993-04-27 |
ATE112897T1 (de) | 1994-10-15 |
JPH0729653A (ja) | 1995-01-31 |
JPH07120548B2 (ja) | 1995-12-20 |
EP0459170A1 (de) | 1991-12-04 |
ES2061109T3 (es) | 1994-12-01 |
DK0459170T3 (da) | 1995-03-13 |
DE59103198D1 (de) | 1994-11-17 |
DE4017131C1 (da) | 1991-11-07 |
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