EP0694951A1 - Unité munie d'une lampe - Google Patents

Unité munie d'une lampe Download PDF

Info

Publication number
EP0694951A1
EP0694951A1 EP95110848A EP95110848A EP0694951A1 EP 0694951 A1 EP0694951 A1 EP 0694951A1 EP 95110848 A EP95110848 A EP 95110848A EP 95110848 A EP95110848 A EP 95110848A EP 0694951 A1 EP0694951 A1 EP 0694951A1
Authority
EP
European Patent Office
Prior art keywords
block
assembly according
external contacts
lamp
partial area
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.)
Granted
Application number
EP95110848A
Other languages
German (de)
English (en)
Other versions
EP0694951B1 (fr
Inventor
Jürgen Wolf
Joachim Arndt
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 EP0694951A1 publication Critical patent/EP0694951A1/fr
Application granted granted Critical
Publication of EP0694951B1 publication Critical patent/EP0694951B1/fr
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
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/64—Cathode glow lamps
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0422—Reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/025—Associated optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/56—One or more circuit elements structurally associated with the lamp
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G09F2013/145—Arrangements of reflectors therein curved reflectors
    • 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

Definitions

  • the invention relates to a structural unit with a lamp, in particular a glow lamp, which is embedded in an insulating block according to the preamble of claim 1.
  • the main area of application for this type of lamp, in addition to auxiliary lighting, is signal and display lighting.
  • a light beam shaping and steering aimed at increasing the light intensity in the direction of a preferred visible side of the lamp.
  • An optional optical reflector can be used for this purpose, which partially surrounds the lamp bulb. It may also be advantageous to operate the lamp intermittently in order to increase the signal effect.
  • the lamp is connected to an electrical circuit. In accordance with the wide range of applications, it is necessary to design the external contacts in such a way that reliable contacting with a suitable socket is ensured.
  • DE-GM 7 223 900 discloses a glow or micro incandescent lamp with a covering made of translucent plastic. Contact is made with a socket using an Edison screw base or a bayonet base.
  • DE-OS 28 27 306 shows a glow lamp in a casing made of transparent plastic material, from which two pin-shaped or wire-like contacts are guided to the outside.
  • the invention has for its object to provide a structural unit with simply designed and therefore suitable for automated production external contacts that ensure reliable contact with the contacts of a socket. This object is achieved according to the invention by the characterizing features of claim 1. Further advantageous embodiments of the invention are explained in the dependent claims.
  • Another object is to provide external contacts which, even when the spatial arrangement of the mating contacts of a suitable version deviate from a predetermined positioning, ensure adequate contacting and thus place relatively low demands on the manufacturing tolerances. According to the invention, this object is achieved by the characterizing features of claim 5. Further advantageous embodiments of the invention are explained in the dependent claims.
  • the first part of the invention proposes socket-like clamping elements as external contacts.
  • a clamping element consists of a connecting part, to which a power supply is connected, and a clamping part.
  • Contact with a socket is produced by inserting a pin-like plug element, for example a piece of wire or a metal mandrel, into the clamping part.
  • the clamping action of the clamping element ensures reliable contact and at the same time fixes the structural unit in the socket.
  • the block has cutouts on its surface, into each of which a clamping element is inserted.
  • the connecting part is at least partially embedded in the block, while the clamping part extends within the recess.
  • the clamping parts each consist of at least two resilient arms which are connected to the connecting part, e.g. are connected to a web or a plate.
  • the arms are curved so that the clamping part has a constriction between its arms.
  • the clamping effect can be specifically influenced by the curvature and spring force of the arms.
  • the recess in this embodiment has the further advantage that there is a guide for the plug-in connections of a socket and consequently a migration to the opposite arms is prevented.
  • the clamping elements each consist of a pot-like sleeve, the outer surface of which is shaped such that the sleeve has a constriction in its interior.
  • the second part of the invention proposes that at least one of the external contacts has a strip-like or flat, e.g. has a rectangular or circular contact area which extends over a partial area of the surface of the block.
  • the external contacts are either essentially flat, e.g. film, layer, foil or band-like, or spatially extended, for example cuboid.
  • the external contacts can be arranged on a partial area of the surface of the block or partially embedded in the block.
  • a partial area of the surface of the block is convexly curved and covered with an electrically conductive and reflective layer or foil, for example vapor-coated with gold.
  • This layer serves as an external contact and also as an optical reflector, which increases the light intensity on the visible side of the block opposite the reflector.
  • the minimum distance between the external contacts is typically approx. 3 mm at a supply voltage of 230 V to avoid surface discharges.
  • the surface between the external contacts can have an elevation, possibly with grooves.
  • the surface of the insulating material block can have almost any shape, for example completely irregular. It is advantageously formed uniformly at least in the area of the external contacts or provided with flat sections. Cuboid or cylindrical areas are particularly suitable, e.g. at one or both ends of the insulating block.
  • the entire block is advantageously designed as a geometrically uniform body, e.g. as cuboid or cylinder.
  • At least one of the contact regions advantageously extends over two surfaces of the block and the edge lying between them.
  • the external contacts are formed, for example, by metal sheets, they are bent over the edge, the bending angle preferably essentially corresponding to the angle which is enclosed by the two surfaces forming the edge.
  • the counter contacts of a socket can optionally be arranged in two different levels, ie you gain more flexibility in the design of a suitable socket.
  • the external contacts can be arranged at one end or in the manner of a festoon at both ends of the insulating block.
  • the external contacts can be fixed by means of adhesion to the surface of the insulating block, e.g. by coating, vapor deposition etc. or by means of adhesive. Additionally or alternatively, the external contacts can be partially embedded in the block of insulating material, as a result of which a positive connection is additionally formed at this point. In the case of the flat external contacts, this can be done using one or more folds, e.g. be realized along one or both end edges of a metal strip, which engage in the block of insulating material.
  • the flat external contacts can rest completely or only partially on the surface of the insulating block.
  • the external contacts can also be at least partially resilient. This is achieved for example by means of a convex curvature which extends at least over a partial area of the external contacts.
  • the external contacts or their contact areas consist of an electrically conductive material, e.g. made of a metal, such as copper, gold, silver or an alloy.
  • FIGS. 1a and 1b schematically show a side view or a side view of the glow lamp 1 with a series resistor 2, rotated by 90 ° with respect to the longitudinal axis, embedded in a cuboid plastic block 3 and provided with two external contacts.
  • the glow lamp 1 consists of a circular cylindrical lamp bulb 4 made of lead glass with an internal volume of approximately 0.11 cm3. Inside the lamp bulb 4 there is a gas mixture of 99.95% neon and 0.05% krypton at a total filling pressure of 177 hPa. Furthermore, two metal electrodes 5a, 5b, which are oriented axially and parallel to one another, are arranged on the inside. Their length and diameter are 3.5 mm and 0.9 mm, respectively.
  • the electrodes 5a, 5b are each connected to a power supply 6a, 6b.
  • the lamp bulb 4 has at its first end a pinch foot 7 through which the current leads 6a, 6b are passed gas-tight, and a pump tip 8 opposite the pinch foot 7.
  • the total length of the bulb 4 is approximately 13 mm.
  • the series resistor 2 is electrically connected in series in the first power supply 6a.
  • Both power supply lines 6a, 6b are guided essentially parallel to the longitudinal axis of the lamp bulb 4 and parallel to one another in the direction of the end face 9 of the plastic block 3 on the squeezing foot side.
  • the end face 9 has two cuboid depressions 10a, 10b, in each of which a clamping element made of a copper-nickel alloy is inserted.
  • the Clamping elements each have a connection part 11a, 11b partially embedded in block 3 and connected to a power supply 6a, 6b, and two resilient arms 12a, 13a and 12b (not shown), 13b.
  • the arms 12a, 13a and 12b, 13b are oriented in the direction of the power supply lines 6a, 6b and terminate at their free end with the end face 9.
  • the arms 12a, 13a and 12b, 13b are curved such that a constriction occurs between them. This serves to make contact with a pin-like or tongue-shaped counter-contact of a socket (not shown).
  • FIGS. 2a and 2b show a side view or a side view of a structural unit 14 rotated by 90 ° with respect to the longitudinal axis, which differs from that shown in FIGS. 1a, 1b only in the external contacts.
  • the two power supply lines 6a, 6b are initially guided essentially parallel to the longitudinal axis of the lamp bulb 4 and parallel to one another in the direction of the end face 15 of the plastic block 3 on the squeeze foot side.
  • the power supply lines 6a, 6b each have an arc-like bend at an angle of approximately 90 °, their end sections 16a each running in a channel-like depression 17a in the end face 15 which is oriented parallel to the cutting edge of the end face 15.
  • the end sections 16a are each welded to a first leg 181a of two rectangular, parallel arranged copper strips 18a and 18b, which cover the two depressions 17a.
  • the second legs 182a, 182b of the right-angled copper strips 18a, 18b each extend over part of the side surface 19 facing the end sections 16a, the copper strips 18a, 18b being bent over the intermediate edge.
  • the end faces of the copper strips 18a, 18b are each provided with a fold 20a, 21a which engage in the plastic block 3 and in this way fix the two copper strips 18a, 18b on the plastic block 3.
  • the respective second leg 182a, 182b of the copper strips 18a, 18b facing the side surface 19 is at a distance from the side surface 19 in that it is slightly curved. As a result, this part springs with a counter contact when pressure is applied, thus ensuring permanent contact.
  • FIG. 3 the longitudinal section of a further assembly 22 is shown in a schematic representation.
  • the external contacts have no spring area.
  • only the copper strip 24a connected to the series resistor 2 is located on the end face 23 near the pinch foot.
  • the second copper band 24b is arranged symmetrically with respect to the lamp bulb 4 on the end face 25 near the pump tip. It is welded to the power supply 26b in the region of the depression 17b near the pump tip.
  • Figures 4a to 4c show a side view, a front view and a plan view of a glow lamp 1 with two series resistors 27a, 27b in SMD (S urface M ounted D evice) technology, embedded in a plastic block 28 with partially metallic coated surface 29th
  • the plastic block 28 has an essentially cuboid shape, one of the side surfaces being provided with a convex curvature similar to a groove in the end view.
  • a thin nickel layer 29 is deposited on this curved surface and acts as an optical reflector and at the same time as a second external contact.
  • the first power supply line 30a is first connected to the first connection surface 31a of the first series resistor 27a.
  • the opposite second connection surface 32a of the first series resistor 27a terminates with the side surface of the block 28 which adjoins the curvature. It is covered by a likewise metallic extension surface 33, which adjoins the longitudinal edge of the metal layer 29 and ensures the electrical contact between the series resistor 27a and the nickel layer 29.
  • the second power supply line 30b is connected to the first connection surface 31b of the second series resistor 27b.
  • the opposite second connection surface 32b of the second series resistor 27b terminates with the surface of the front side 34 of the block 28 near the pinch foot and acts as a second external contact.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP95110848A 1994-07-20 1995-07-11 Unité munie d'une lampe Expired - Lifetime EP0694951B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4425681 1994-07-20
DE4425681A DE4425681A1 (de) 1994-07-20 1994-07-20 Baueinheit mit einer Lampe

Publications (2)

Publication Number Publication Date
EP0694951A1 true EP0694951A1 (fr) 1996-01-31
EP0694951B1 EP0694951B1 (fr) 2000-01-26

Family

ID=6523683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110848A Expired - Lifetime EP0694951B1 (fr) 1994-07-20 1995-07-11 Unité munie d'une lampe

Country Status (2)

Country Link
EP (1) EP0694951B1 (fr)
DE (2) DE4425681A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011104119A1 (fr) * 2010-02-26 2011-09-01 Osram Gesellschaft mit beschränkter Haftung Lampe, notamment lampe plate, comportant une source lumineuse et un dispositif de commande électronique

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR758644A (fr) * 1932-07-29 1934-01-20 Lampes Sa Perfectionnements aux lampes électriques
US2134170A (en) * 1937-06-25 1938-10-25 Leonard O Erikson Connecter
US2327396A (en) * 1941-03-15 1943-08-24 Hart Mfg Co Light bulb
GB579435A (en) * 1944-03-30 1946-08-02 Ferranti Ltd Improvements relating to electric discharge devices
DE7223900U (fr) 1973-11-08 Patent-Treuhand-Ges Fuer Elektr Gluehlampen Mbh
DE2827306A1 (de) 1977-06-24 1979-01-04 App Precision Compteurs Signalleuchte
US4201438A (en) * 1978-10-02 1980-05-06 Gte Sylvania Incorporated Spring contact for arc discharge tube base
EP0226790A2 (fr) * 1985-12-16 1987-07-01 AlliedSignal Inc. Laser à l'état solide à structure unitaire
FR2665023A1 (fr) * 1990-07-20 1992-01-24 Koito Mfg Co Ltd Lampe a decharge et son procede d'assemblage.
US5172026A (en) * 1990-05-21 1992-12-15 Hall Rolland B Plug in lamp

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7223900U (fr) 1973-11-08 Patent-Treuhand-Ges Fuer Elektr Gluehlampen Mbh
FR758644A (fr) * 1932-07-29 1934-01-20 Lampes Sa Perfectionnements aux lampes électriques
US2134170A (en) * 1937-06-25 1938-10-25 Leonard O Erikson Connecter
US2327396A (en) * 1941-03-15 1943-08-24 Hart Mfg Co Light bulb
GB579435A (en) * 1944-03-30 1946-08-02 Ferranti Ltd Improvements relating to electric discharge devices
DE2827306A1 (de) 1977-06-24 1979-01-04 App Precision Compteurs Signalleuchte
US4201438A (en) * 1978-10-02 1980-05-06 Gte Sylvania Incorporated Spring contact for arc discharge tube base
EP0226790A2 (fr) * 1985-12-16 1987-07-01 AlliedSignal Inc. Laser à l'état solide à structure unitaire
US5172026A (en) * 1990-05-21 1992-12-15 Hall Rolland B Plug in lamp
FR2665023A1 (fr) * 1990-07-20 1992-01-24 Koito Mfg Co Ltd Lampe a decharge et son procede d'assemblage.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011104119A1 (fr) * 2010-02-26 2011-09-01 Osram Gesellschaft mit beschränkter Haftung Lampe, notamment lampe plate, comportant une source lumineuse et un dispositif de commande électronique

Also Published As

Publication number Publication date
DE59507680D1 (de) 2000-03-02
EP0694951B1 (fr) 2000-01-26
DE4425681A1 (de) 1996-01-25

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