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EP0471634B1 - Lamp and support assembly - Google Patents

Lamp and support assembly Download PDF

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Publication number
EP0471634B1
EP0471634B1 EP91470019A EP91470019A EP0471634B1 EP 0471634 B1 EP0471634 B1 EP 0471634B1 EP 91470019 A EP91470019 A EP 91470019A EP 91470019 A EP91470019 A EP 91470019A EP 0471634 B1 EP0471634 B1 EP 0471634B1
Authority
EP
European Patent Office
Prior art keywords
lamp
support
holder
board
assembly 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
EP91470019A
Other languages
German (de)
French (fr)
Other versions
EP0471634A1 (en
Inventor
Jean Pidancet
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.)
Socop SA
Original Assignee
Socop SA
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 Socop SA filed Critical Socop SA
Publication of EP0471634A1 publication Critical patent/EP0471634A1/en
Application granted granted Critical
Publication of EP0471634B1 publication Critical patent/EP0471634B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
    • 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 present invention relates to a lamp assembly and its support more particularly intended to be inserted in a printed circuit board or equivalent.
  • Lamp supports and lamps of this type have been known per se for a long time.
  • the object of the present invention is to provide such a lamp assembly and its support, as a new product.
  • a lamp assembly and its support are more particularly proposed for being inserted into a printed circuit board or equivalent, the lamp being arranged on the support perpendicular to the mounting axis of the support in the card, so that said lamp is parallel to the card in the position of use, as well as the filament, characterized in that the support is snapped onto the card and comprises a cradle for receiving the lamp which also functions reflector, the lamp being held in position by a tab.
  • the devices of the prior art and of this known field comprise lamps parallel to the main axis of the support and to the axis of mounting the support in the card.
  • the document FR-A-1 119 589 relates to another type of lamp, namely a lamp with a socket.
  • the invention also relates to a specific structure of electrical connection which can be produced by automated winding.
  • the support comprises a desk (3) for receiving the lamp which also acts as a reflector.
  • the lamp is held in position by a tab (4) or by any other means.
  • the electrical connectors shown in Figures 2 and 3, consist of a wire (5) which extends towards the bottom of the support and which will be wound at each of its ends on the free ends of a support beam (6) elastic.
  • the windings can be made in both directions around the beam, possibly with change of direction by an angle return pin (7).
  • the wires will for example be wound between one or two flanges (8, 9) made integrally with the beam.
  • They can be made integral by deformation of at least one flange, by adding material or by ultrasonic welding, this without limitation.
  • the beam (6) may include a metal insert (10).
  • the fixing will be done in a printed circuit board at the plane (11), with snap lugs (12,13) which come into abutment at the bottom of the card (14).
  • the support also makes it possible, with adequate layout, to ensure the mass function.
  • this support enables the product to be supplied with tape.
  • the support of the invention is compatible with a high density matrix implantation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Telephone Function (AREA)

Abstract

Combined lamp and holder, more particularly intended to be inserted in a printed circuit board or equivalent, characterised in that the lamp (2) is arranged on the holder (1) perpendicularly to the axis of snap-fitting of the holder into the board, in such a way that said lamp is parallel to the board in the use position. <IMAGE>

Description

La présente invention a pour objet un ensemble de lampe et de son support plus particulièrement destiné à être inséré dans une carte de circuit imprimé ou équivalent.The present invention relates to a lamp assembly and its support more particularly intended to be inserted in a printed circuit board or equivalent.

Des supports de lampe et des lampes de ce type sont en eux-mêmes connus de longue date.Lamp supports and lamps of this type have been known per se for a long time.

Ils sont utilisés en particulier dans l'industrie automobile, pour l'équipement des tableaux de bord des véhicules. Bien entendu, leur application n'est pas strictement limitée à ce domaine.They are used in particular in the automotive industry for the equipment of vehicle dashboards. Of course, their application is not strictly limited to this area.

Bien que les produits connus donnent généralement satisfaction, il est apparu qu'il était souhaitable et possible d'améliorer encore leurs performances tant au niveau de leur durée de vie que de la qualité et de l'éclairement fourni.Although the known products are generally satisfactory, it appeared that it was desirable and possible to further improve their performance both in terms of their service life and in terms of the quality and the illumination provided.

La présente invention a pour objet de procurer un tel ensemble de lampe et de son support, à titre de produit nouveau.The object of the present invention is to provide such a lamp assembly and its support, as a new product.

Conformément à l'invention, on propose en effet un ensemble de lampe et de son support plus particulièrement destiné à être inséré dans une carte de circuit imprimé ou équivalent, la lampe étant disposée sur le support perpendiculairement à l'axe de montage du support dans la carte, de manière à ce que ladite lampe soit parallèle à la carte en position d'utilisation, ainsi que le filament, caractérisé en ce que le support est encliqueté sur la carte et comporte un berceau de réception de la lampe qui fait également office de réflecteur, la lampe étant maintenue en position par une patte.According to the invention, a lamp assembly and its support are more particularly proposed for being inserted into a printed circuit board or equivalent, the lamp being arranged on the support perpendicular to the mounting axis of the support in the card, so that said lamp is parallel to the card in the position of use, as well as the filament, characterized in that the support is snapped onto the card and comprises a cradle for receiving the lamp which also functions reflector, the lamp being held in position by a tab.

Généralement, les dispositifs de l'art antérieur et de ce domaine connu comportent des lampes parallèles à l'axe principal du support et à l'axe de montage du support dans la carte.Generally, the devices of the prior art and of this known field comprise lamps parallel to the main axis of the support and to the axis of mounting the support in the card.

Dans le document FR-A-2 123 679, la lampe est maintenue parallèle à la carte mais elle n'y est pas maintenue par encliquetage. Le document FR-A-1 119 589 concerne un autre type de lampe à savoir une lampe à douille.In document FR-A-2 123 679, the lamp is kept parallel to the card but it is not held there by snap-fastening. The document FR-A-1 119 589 relates to another type of lamp, namely a lamp with a socket.

D'autre part, l'invention a également pour objet une structure spécifique de connexion électrique pouvant être réalisée par enroulement automatisable.On the other hand, the invention also relates to a specific structure of electrical connection which can be produced by automated winding.

On comprendra mieux l'invention à l'aide de la description d'un mode de mise en oeuvre donné à titre d'exemple non limitatif en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en élévation latérale d'un support de lampe et d'une lampe conformes à l'invention,
  • la figure 2 est une vue de dessous de la figure 1,
  • la figure 3 est une vue de dessus de la figure 1,
  • la figure 4 est une vue en coupe selon AA de la figure 1,
  • la figure 5 est une vue de dessus d'une empreinte spécifique de montage du support de l'invention dans une carte de circuit imprimé.
The invention will be better understood by means of the description of an embodiment given by way of nonlimiting example with reference to the accompanying drawings in which :
  • FIG. 1 is a side elevation view of a lamp holder and a lamp according to the invention,
  • FIG. 2 is a bottom view of FIG. 1,
  • FIG. 3 is a top view of FIG. 1,
  • FIG. 4 is a sectional view along AA of FIG. 1,
  • Figure 5 is a top view of a specific imprint for mounting the support of the invention in a printed circuit board.

On se réfère tout d'abord à la figure 1.We first refer to Figure 1.

On y a représenté le support (1) et la lampe (2) disposée en position horizontale.There is shown the support (1) and the lamp (2) arranged in a horizontal position.

Le support comporte un bureau (3) de réception de la lampe qui fait également office de réflecteur. La lampe est maintenue en position par une patte (4) ou par tout autre moyen.The support comprises a desk (3) for receiving the lamp which also acts as a reflector. The lamp is held in position by a tab (4) or by any other means.

Les connecteurs électriques, représentés aux figures 2 et 3, consistent en un fil (5) qui s'étend vers le dessous du support et qui va s'enrouler à chacune de ses extrémités sur les extrémités libres d'une poutre support (6) élastique.The electrical connectors, shown in Figures 2 and 3, consist of a wire (5) which extends towards the bottom of the support and which will be wound at each of its ends on the free ends of a support beam (6) elastic.

Les enroulements pourront être effectués dans les deux sens autour de la poutre, éventuellement avec changement de sens par un pion renvoi d'angle (7).The windings can be made in both directions around the beam, possibly with change of direction by an angle return pin (7).

Les fils seront par exemple enroulés entre un ou deux flasques (8,9) venus de matière avec la poutre.The wires will for example be wound between one or two flanges (8, 9) made integrally with the beam.

Ils pourront en être rendus solidaires par déformation d'au moins un flasque, par apport de matière ou par soudure ultra-sons, ceci non limitativement.They can be made integral by deformation of at least one flange, by adding material or by ultrasonic welding, this without limitation.

Pour une meilleure stabilité aux vibrations et au fluage, la poutre (6) pourra comprendre un insert métallique (10).For better stability to vibrations and creep, the beam (6) may include a metal insert (10).

La fixation se fera dans une carte de circuit imprimé au niveau du plan (11), avec des ergots d'encliquetage (12,13) qui viennent en butée en fond de carte (14).The fixing will be done in a printed circuit board at the plane (11), with snap lugs (12,13) which come into abutment at the bottom of the card (14).

L'empreinte (15) représentée à la figure 5 permet un encliquetage simple, sans rotation. On ne sortirait pas du cadre de l'invention en prévoyant un blocage par rotation comme cela est le cas pour la plupart des supports de l'art antérieur.The footprint (15) shown in Figure 5 allows a simple snap, without rotation. It would not be departing from the scope of the invention to provide a blocking by rotation as is the case for most of the supports of the prior art.

Cette structure totalement originale apporte de multiples avantages qui, de manière non exhaustive, seront repris ci-après.

  • 1. Au niveau du principe d'utilisation d'une lampe à plat par rapport à son support et donc à la carte.
    De cette nouvelle situation de la lampe, on tire les bénéfices suivants :
    • bénéfice d'une surface de filament (16) apparente, plus importante
    • amélioration de l'éclairement par effet réflecteur sur le support.
    Pour cela plusieurs possibilités envisagées :
    • par la couleur utilisée dans le support
    • à l'aide d'une colle chargée en matière réfléchissante
    • par métallisation
    • par utilisation d'un réflecteur métallique
    • etc...

    Chacune de ces actions participe au gain d'éclairement qui peut être jusqu'à quatre fois.
    Un tel gain permet une augmentation de la durée de vie de la lampe par une moindre sollicitation de celle-ci, ou une sous-alimentation.
    On obtient alors une amélioration du rapport Eclairement/Watt.
    D'autre part l'encombrement dans le sens de l'axe Z (figure 4) d'encliquetage dans la carte est considérablement réduit.
  • 2. Au niveau de la connexion électrique la forme envisagée rend possible un enroulement automatisable, qui sans intermédiaire assure la liaison électrique entre la lampe et le circuit d'alimentation. L'adjonction de la lame métallique rapportée permet le raccordement sur l'une ou l'autre face du circuit imprimé, indifféremment.
    L'enroulement réduit considérablement les chutes de tension entre le produit et son circuit d'alimentation, à savoir la carte (15).
  • 3. Au niveau de l'élasticité du support la forme du support permet le surmoulage de l'insert métallique élastique, évitant ainsi la relaxation de la base de connexion. On a ainsi l'assurance d'un contact électrique au cours du temps.
  • 4. Au niveau du verrouillage du support, le démontage reste possible.
  • 5. L'empreinte de montage (15) est symétrique suivant ses deux axes. Un détrompage n'est pas nécessaire, mais il est bien entendu possible.
  • 6. Les présentations du support et de sa lampe sont multiples à savoir qu'ils peuvent être présentés :
    • unitairement,
    • par lots de n pièces regroupées linéairement sur un même support (10),
    • par réseau de n pièces regroupées sur un même support (10) (le réseau peut être plan ou volumique et le support peut être recouvert ou non d'une protection surmoulée).
This completely original structure brings multiple advantages which, in a non-exhaustive manner, will be repeated below.
  • 1. At the level of the principle of using a flat lamp in relation to its support and therefore to the card.
    From this new lamp situation, the following benefits are obtained:
    • benefit from a larger visible filament area (16)
    • improved illumination by reflective effect on the support.
    Several possibilities are envisaged for this:
    • by the color used in the support
    • using an adhesive loaded with reflective material
    • by metallization
    • using a metal reflector
    • etc ...

    Each of these actions contributes to the gain in illumination which can be up to four times.
    Such a gain allows an increase in the life of the lamp by less stress on it, or undernourishment.
    This gives an improvement in the Illumination / Watt ratio.
    On the other hand, the size in the direction of the axis Z (FIG. 4) of snap-fastening in the card is considerably reduced.
  • 2. At the level of the electrical connection, the envisaged shape makes possible an automated winding, which without intermediary ensures the electrical connection between the lamp and the supply circuit. The addition of the added metal strip allows connection on either side of the printed circuit, either.
    The winding considerably reduces the voltage drops between the product and its supply circuit, namely the card (15).
  • 3. In terms of the elasticity of the support, the shape of the support allows overmolding of the elastic metal insert, thus avoiding relaxation of the connection base. There is thus the assurance of an electrical contact over time.
  • 4. When locking the support, disassembly is still possible.
  • 5. The mounting footprint (15) is symmetrical along its two axes. A key is not necessary, but it is of course possible.
  • 6. There are many presentations of the support and its lamp, namely that they can be presented:
    • individually,
    • in batches of n pieces grouped linearly on the same support (10),
    • by network of n pieces grouped together on the same support (10) (the network can be flat or volume and the support can be covered or not with an overmolded protection).

En outre le support permet aussi, avec un aménagement adéquat, d'assurer la fonction masse.In addition, the support also makes it possible, with adequate layout, to ensure the mass function.

De plus ce support permet une alimentation en bande du produit.In addition, this support enables the product to be supplied with tape.

Enfin, de manière plus générale, le support de l'invention est compatible avec une implantation matricielle à haute densité.Finally, more generally, the support of the invention is compatible with a high density matrix implantation.

Claims (6)

  1. Assembly of a lamp and its holder, more especially intended to be inserted into a printed circuit board or the equivalent, the lamp (2) being disposed on the holder (1) perpendicularly to the axis mounting axis for the holder in the board, so that said lamp, together with its filament, is parallel to the board in its position of use, characterised in that the holder is clipped onto the board and comprises a housing (3) for receiving the lamp, said housing also serving as a reflector, the lamp being held in position by a clip (4).
  2. Assembly according to claim 1, characterised in that the electrical connectors comprise a wire (5) which extends towards the underneath of the holder and which is be wound, at each of its ends, around the free ends of a resilient carrier bar (6).
  3. Assembly according to claim 2, characterised in that the windings are effected around the bar in both directions, the direction being changed by a bevel gear spur (7).
  4. Assembly according to one of claims 2 and 3, characterised in that the wires are wound between one or two supports (8,9) which are integral with the bar, and in that they are made integral by the deformation of at least one support, by the application of material or by ultra-sonic welding.
  5. Assembly according to one of claims 2,3 and 4, characterised in that the bar (6) comprises a metallic insert (10).
  6. Assembly according to any one of claims 1 to 5, characterised in that the securement in the board is effected on level with a plane (11), with clip-on lugs (12,13) which abut against the board base (14).
EP91470019A 1990-08-16 1991-08-08 Lamp and support assembly Expired - Lifetime EP0471634B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9010505A FR2665939B1 (en) 1990-08-16 1990-08-16 LAMP AND HOLDER ASSEMBLY.
FR9010505 1990-08-16

Publications (2)

Publication Number Publication Date
EP0471634A1 EP0471634A1 (en) 1992-02-19
EP0471634B1 true EP0471634B1 (en) 1995-12-06

Family

ID=9399754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91470019A Expired - Lifetime EP0471634B1 (en) 1990-08-16 1991-08-08 Lamp and support assembly

Country Status (8)

Country Link
US (1) US5350305A (en)
EP (1) EP0471634B1 (en)
JP (1) JPH05502543A (en)
AT (1) ATE131270T1 (en)
DE (1) DE69115168T2 (en)
ES (1) ES2084136T3 (en)
FR (1) FR2665939B1 (en)
WO (1) WO1992003685A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2705290B1 (en) * 1993-05-14 1995-08-11 Valeo Vision Electric module for the multiplexed control of a set of lighting or signaling lamps of a motor vehicle.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB703626A (en) * 1950-10-27 1954-02-10 James Bryan Udall Improvements in electric plug connectors
FR1119589A (en) * 1955-02-25 1956-06-21 New way of fixing electrical sockets against a wall
US2888658A (en) * 1956-03-09 1959-05-26 Welch Thomas Ross Tube socket and envelope
US3129421A (en) * 1959-07-15 1964-04-14 Lab For Electronics Inc Data display apparatus
US3335387A (en) * 1965-05-26 1967-08-08 Sperry Rand Corp Lamp socket
DE2160139B2 (en) * 1970-12-12 1976-07-15 Euromation Anstalt, Vaduz GLOW LAMP ELEMENT AND METHOD OF MANUFACTURING IT
FR2123679A5 (en) * 1971-01-27 1972-09-15 Nec
DE7235504U (en) * 1972-09-27 1973-12-06 Philips Pat Gmbh Lighting fixture with a holder for a base-less Mimature incandescent lamp
US4468585A (en) * 1982-03-18 1984-08-28 Gte Products Corporation Wedge base lamp socket
FR2525850A1 (en) * 1982-04-21 1983-10-28 Vibrachoc Sa LIGHT INDICATOR FOR PRINTED CIRCUITS
DE8803275U1 (en) * 1988-03-11 1988-04-28 Mentor GmbH & Co, 4006 Erkrath Socket strip for LEDs or plugs
US4897769A (en) * 1988-05-18 1990-01-30 Xerox Corporation Right angle light emitting diode assembly with snap-in feature

Also Published As

Publication number Publication date
DE69115168T2 (en) 1996-08-08
FR2665939B1 (en) 1995-05-24
EP0471634A1 (en) 1992-02-19
DE69115168D1 (en) 1996-01-18
ATE131270T1 (en) 1995-12-15
US5350305A (en) 1994-09-27
FR2665939A1 (en) 1992-02-21
ES2084136T3 (en) 1996-05-01
JPH05502543A (en) 1993-04-28
WO1992003685A1 (en) 1992-03-05

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