EP0179473B1 - Adapter for a single-base low-pressure discharge lamp - Google Patents

Adapter for a single-base low-pressure discharge lamp Download PDF

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Publication number
EP0179473B1
EP0179473B1 EP85113529A EP85113529A EP0179473B1 EP 0179473 B1 EP0179473 B1 EP 0179473B1 EP 85113529 A EP85113529 A EP 85113529A EP 85113529 A EP85113529 A EP 85113529A EP 0179473 B1 EP0179473 B1 EP 0179473B1
Authority
EP
European Patent Office
Prior art keywords
adapter
housing
base
contact
lamp
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
EP85113529A
Other languages
German (de)
French (fr)
Other versions
EP0179473A2 (en
EP0179473A3 (en
Inventor
Erhard Dipl.-Phys. Rasch
Ulrich Dr. Dipl.-Phys. Roll
Horst Dipl.-Ing. Wittmann (Fh)
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 EP0179473A2 publication Critical patent/EP0179473A2/en
Publication of EP0179473A3 publication Critical patent/EP0179473A3/en
Application granted granted Critical
Publication of EP0179473B1 publication Critical patent/EP0179473B1/en
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
    • 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
    • H01J5/56—Shape of the separate part

Definitions

  • the invention relates to an adapter for a low-pressure discharge lamp with a base on one side, the base of which has at least two contact pins, the adapter consisting of a housing with a base customary for incandescent lamps and receptacles for the contact pins on the top of the housing and mating contacts receiving the contact pins in the interior of the housing are provided.
  • Adapters that enable the connection of discharge lamps, in particular small fluorescent lamps, directly into a lamp intended for incandescent lamps are known in various embodiments.
  • An example of this is DE-GM 82 33 763.
  • two compact fluorescent lamps with a pin base are mounted on a body holding a ballast and ignition device.
  • the shapes shown have a large width, so that the adapter cannot be used in every lamp and the possible uses are correspondingly limited.
  • the object of the invention is to provide an adapter for a fluorescent lamp with a base on one side, which has a compact design, is easy to assemble and which ensures safe operation of the fluorescent lamp.
  • the adapter for a single-ended low-pressure discharge lamp with the features mentioned in the preamble of the main claim is characterized in that a cylindrical receptacle for a guide pin of the lamp base is formed on the upper part of the two-part housing and a mounting plate is arranged in the interior of the housing, which is the receptacle for the Guide pin at least partially surrounds and on which the mating contacts are attached.
  • the counter contacts are designed as resilient contact lugs enclosing the contact pin on both sides.
  • the mating contacts for attachment to the mounting plate are provided with mounting tabs and for electrical contacting of the mounting plate with contact tabs.
  • ballast and ignition device for lamp operation is also mounted on the mounting plate.
  • Conventional inductive devices are suitable for this, however, because of their lower weight and their higher luminous efficacy, electronically operating devices are often preferred.
  • the adapter 1 of FIG. 1 consists of an upper part 2 and a lower part 3, which are non-detachably fastened to one another by means of a snap connection.
  • a cylindrical receptacle 4 is formed, in which a guide pin 5 of the base 6 of a fluorescent lamp 7 is inserted.
  • the guide pin 5 is provided with retaining lugs (not recognizable), behind which snap springs 8 engage and thus mechanically hold the base 6 of the lamp 7 in the receptacle 4.
  • the upper, offset part of the receptacle 4 is provided with receptacles 9 through which the contact pins 10 of the base 6 protrude into the inner part of the adapter 1.
  • a mounting plate 11 is fastened by means of clamping, on which the ballast and ignition device 12 is mounted.
  • An inductive ballast with starter or an electronic ballast is equally suitable for this.
  • the mounting plate 11 is a printed circuit board on which the components of a high-frequency ballast are arranged. This offers the advantages of a higher luminous efficacy of the lamp as well as the significantly reduced weight compared to a conventional ballast.
  • contact elements 13, 13 ' are embedded in the mounting plate 11 and fastened there by interlocking their fastening tabs 14, 14' (FIGS. 2 and 3).
  • the upper contact lugs 15, 15 ' are initially bent at an acute angle to one another and then open upwards again in order to facilitate the insertion of the contact pins 10.
  • the contact elements 13, 13 ' are preferably made of nickel-plated spring bronze, on the one hand to have a permanent spring action and corrosion resistance and on the other hand to facilitate the soldering of the contact lugs 16 (FIG. 2) to the printed circuit board 11, unless a solderless electrical connection by means of resilient contact lugs 16' ( Figure 3) is preferred.
  • a base 17 is also attached, as is usually used for incandescent lamps.
  • a contact element 13 and the ballast and ignition device 12 are electrically connected to the base 17, so that the lamp 7 can be operated directly via the adapter 1 in a version of a lamp intended for incandescent lamps.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Connecting Device With Holders (AREA)

Description

Die Erfindung betrifft einen Adapter für eine einseitig gesockelte Niederdruckentladungslampe, deren Sockel mindestens zwei Kontaktstifte aufweist, wobei der Adapter aus einem Gehäuse mit einem für Glühlampen gebräuchlichen Sockel besteht und an der Oberseite des Gehäuses Aufnahmen für die Kontaktstifte sowie im Innern des Gehäuses die Kontaktstifte aufnehmende Gegenkontakte vorgesehen sind.The invention relates to an adapter for a low-pressure discharge lamp with a base on one side, the base of which has at least two contact pins, the adapter consisting of a housing with a base customary for incandescent lamps and receptacles for the contact pins on the top of the housing and mating contacts receiving the contact pins in the interior of the housing are provided.

Adapter, die den Anschluß von Entladungslampen, insbesondere von kleinen Leuchtstofflampen, direkt in eine für Glühlampen vorgesehene Leuchte ermöglichen, sind in verschiedenen Ausführungsformen bekannt. Als ein Beispiel hierfür sei das DE-GM 82 33 763 angeführt. Hier sind jeweils zwei mit einem Stiftsockel versehene einseitig gesockelte Kompaktleuchtstofflampen auf einem eine Vorschalt- und Zündvorrichtung halternden Körper in Fassungen montiert. Die dargestellten Formen weisen jedoch eine große Breite auf, so daß der Adapter nicht in jede Leuchte einsetzbar ist und die Einsatzmöglichkeiten entsprechend beschränkt sind.Adapters that enable the connection of discharge lamps, in particular small fluorescent lamps, directly into a lamp intended for incandescent lamps are known in various embodiments. An example of this is DE-GM 82 33 763. Here, two compact fluorescent lamps with a pin base are mounted on a body holding a ballast and ignition device. However, the shapes shown have a large width, so that the adapter cannot be used in every lamp and the possible uses are correspondingly limited.

Eine andere Art eines Adapters ist nach der US-A-3,815,080 bekannt. Dieser Adapter mit Schraubsockel ist für eine zweiendige langgestreckte Leuchtstofflampe vorgesehen, deren Anschlußkontakte sich an einem der beiden Lampenenden befinden. Das Adaptergehäuse ist mit einem Schraubsockel versehen. An der Oberseite befinden sich Aufnahmen mit Kontakten für die Kontaktstifte der Lampe. Das Gehäuseinnere besteht aus elektrischem Isolationsmaterial, in das ein Vorschalttransformator eingelassen ist.Another type of adapter is known from US-A-3,815,080. This adapter with screw base is intended for a double-ended elongated fluorescent lamp, the connection contacts of which are located on one of the two lamp ends. The adapter housing is provided with a screw base. At the top there are receptacles with contacts for the contact pins of the lamp. The interior of the housing is made of electrical insulation material, into which a ballast transformer is embedded.

Aufgabe der Erfindung ist es, einen Adapter für eine einseitig gesockelte Leuchtstofflampe zu schaffen, der eine kompakte Bauform aufweist, leicht zu montieren ist und der einen sicheren Betrieb der Leuchtstofflampe gewährleistet.The object of the invention is to provide an adapter for a fluorescent lamp with a base on one side, which has a compact design, is easy to assemble and which ensures safe operation of the fluorescent lamp.

Der Adapter für eine einseitig gesockelte Niederdruckentladungslampe mit den im Oberbegriff des Hauptanspruchs genannten Merkmalen ist dadurch gekennzeichnet, daß am Oberteil des zweiteiligen Gehäuses eine zylindrische Aufnahme für einen Führungszapfen des Lampensockels angeformt ist und im Innern des Gehäuses eine Montageplatte angeordnet ist, die die Aufnahme für den Führungszapfen mindestens teilweise umgibt und auf der die Gegenkontakte befestigt sind. Die Gegenkontakte sind als federnde, den Kontaktstift zweiseitig umschließende Kontaktfahnen ausgebildet. Weiterhin sind die Gegenkontakte zur Befestigung auf der Montageplatte mit Befestigungsfahnen und zur elektrischen Kontaktierung der Montageplatte mit Kontaktfahnen versehen. Auf diese Weise wird die Lampe von dem Oberteil des zweiteiligen Adapters mechanisch gehaltert, während die elektrische Kontaktierung getrennt vom Oberteil über die Gegenkontakte auf der Montageplatte erfolgt, die wiederum zwischen dem Unterteil mit dem Oberteil des Adapters befestigt ist.The adapter for a single-ended low-pressure discharge lamp with the features mentioned in the preamble of the main claim is characterized in that a cylindrical receptacle for a guide pin of the lamp base is formed on the upper part of the two-part housing and a mounting plate is arranged in the interior of the housing, which is the receptacle for the Guide pin at least partially surrounds and on which the mating contacts are attached. The counter contacts are designed as resilient contact lugs enclosing the contact pin on both sides. Furthermore, the mating contacts for attachment to the mounting plate are provided with mounting tabs and for electrical contacting of the mounting plate with contact tabs. In this way, the lamp is mechanically supported by the upper part of the two-part adapter, while the electrical contact is made separately from the upper part via the mating contacts on the mounting plate, which in turn is fastened between the lower part and the upper part of the adapter.

Auf der Montageplatte ist außerdem die Vorschalt- und Zündvorrichtung für den Lampenbetrieb montiert. Hier-für sind konventionelle, induktive Geräte geeignet, jedoch werden wegen ihres geringeren Gewichts und ihrer höheren Lichtausbeute häufig elektronisch arbeitende Geräte bevorzugt.The ballast and ignition device for lamp operation is also mounted on the mounting plate. Conventional inductive devices are suitable for this, however, because of their lower weight and their higher luminous efficacy, electronically operating devices are often preferred.

Die Erfindung wird nachfolgend an Hand von drei Figuren näher erläutert:

  • Figur 1 zeigt einen Schnitt durch einen Adapter entsprechend der Erfindung
  • Figur 2 zeigt eine Ausführungsform eines Kontaktelements im Detail
  • Figur 3 zeigt eine weitere Ausführungsform eines Kontaktelementes
The invention is explained in more detail below with the aid of three figures:
  • Figure 1 shows a section through an adapter according to the invention
  • Figure 2 shows an embodiment of a contact element in detail
  • Figure 3 shows a further embodiment of a contact element

Der Adapter 1 der Figur 1 besteht aua einem Oberteil 2 und einem Unterteil 3, die mittels einer Schnappverbindung miteinander unlösbar befestigt sind. An das Oberteil 2 ist eine zylindrische Aufnahme 4 angeformt, in der ein Führungszapfen 5 des Sockels 6 einer Leuchtstofflampe 7 eingeführt ist. Der Führungazapfen 5 ist mit Haltenasen (nicht erkennbar) versehen, hinter denen Schnappfedern 8 eingreifen und so den Sockel 6 der Lampe 7 in der Aufnahme 4 mechanisch haltern. Der obere abgesetzte Teil der Aufnahme 4 ist mit Aufnahmen 9 versehen, durch die die Kontaktstifte 10 des Sockela 6 in den Innenteil des Adapters 1 ragen.The adapter 1 of FIG. 1 consists of an upper part 2 and a lower part 3, which are non-detachably fastened to one another by means of a snap connection. On the upper part 2, a cylindrical receptacle 4 is formed, in which a guide pin 5 of the base 6 of a fluorescent lamp 7 is inserted. The guide pin 5 is provided with retaining lugs (not recognizable), behind which snap springs 8 engage and thus mechanically hold the base 6 of the lamp 7 in the receptacle 4. The upper, offset part of the receptacle 4 is provided with receptacles 9 through which the contact pins 10 of the base 6 protrude into the inner part of the adapter 1.

Zwischen dem Unterteil 3 und dem Oberteil 2 des Adapters 1 ist eine Montageplatte 11 mittels Klemmung befestigt, auf der die Vorschalt- und Zündvorrichtung 12 montiert ist. Hierfür ist ein induktives Vorschaltgerät mit Starter oder ein elektronisches Vorschaltgerät gleichermaßen geeignet. Im vorliegenden Ausführungsbeispiel ist die Montageplatte 11 eine Leiterplatte, auf der die Bauteile eines Hochfrequenzvorschaltgerätes angeordnet sind. Dieses bietet die Vorteile einer höheren Lichtausbeute der Lampe sowie des gegenüber einem konventionellen Vorschaltgerät wesentlich verringerten Gewichts. Des weiteren sind in die Montageplatte 11 Kontaktelemente 13, 13' eingelassen und dort mittels Verschränken ihrer Befestigungsfahnen 14, 14' befestigt (Figuren 2 und 3). Die oberen Kontaktfahnen 15, 15' sind zunächst im spitzen Winkel zueinander gebogen und öffnen sich dann nach oben wieder, um das Einführen der Kontaktstifte 10 zu erleichtern. Insgesamt sind je nach Ausführungsform der Lampe zwei oder vier dieser Kontaktelemente 13, 13' auf der Montageplatte 11 angeordnet, wobei jedem Kontaktelement 13, 13' ein Kontaktstift 10 der Leuchtstofflampe 7 zugeordnet ist.Between the lower part 3 and the upper part 2 of the adapter 1, a mounting plate 11 is fastened by means of clamping, on which the ballast and ignition device 12 is mounted. An inductive ballast with starter or an electronic ballast is equally suitable for this. In the present exemplary embodiment, the mounting plate 11 is a printed circuit board on which the components of a high-frequency ballast are arranged. This offers the advantages of a higher luminous efficacy of the lamp as well as the significantly reduced weight compared to a conventional ballast. Furthermore, contact elements 13, 13 'are embedded in the mounting plate 11 and fastened there by interlocking their fastening tabs 14, 14' (FIGS. 2 and 3). The upper contact lugs 15, 15 'are initially bent at an acute angle to one another and then open upwards again in order to facilitate the insertion of the contact pins 10. Depending on the embodiment of the lamp, a total of two or four of these contact elements 13, 13 'are arranged on the mounting plate 11, with each contact element 13, 13' being assigned a contact pin 10 of the fluorescent lamp 7.

Die Kontaktelemente 13, 13' bestehen vorzugsweise aus vernickelter Federbronze, um einerseits eine dauerhafte Federwirkung und Korrosionsbeständigkeit zu haben und andererseits das Verlöten der Kontaktfahnen 16 (Figur 2) mit der Leiterplatte 11 zu erleichtern, sofern nicht eine lötfreie elektrische Verbindung mittels federnder Kontaktfahnen 16' (Figur 3) bevorzugt wird.The contact elements 13, 13 'are preferably made of nickel-plated spring bronze, on the one hand to have a permanent spring action and corrosion resistance and on the other hand to facilitate the soldering of the contact lugs 16 (FIG. 2) to the printed circuit board 11, unless a solderless electrical connection by means of resilient contact lugs 16' (Figure 3) is preferred.

Am unteren Bereich des Unterteils 3 ist weiterhin ein Sockel 17 befestigt, wie er gewöhnlich für Glühlampen verwendet wird. Ein Kontaktelement 13 sowie die Vorschalt- und Zündvorrichtung 12 sind elektrisch mit dem Sockel 17 verbunden, so daß der Betrieb der Lampe 7 über den Adapter 1 direkt in einer für Glühlampen vorgesehenen Fassung einer Leuchte erfolgen kann.At the bottom of the lower part 3, a base 17 is also attached, as is usually used for incandescent lamps. A contact element 13 and the ballast and ignition device 12 are electrically connected to the base 17, so that the lamp 7 can be operated directly via the adapter 1 in a version of a lamp intended for incandescent lamps.

Claims (4)

1. An adapter for a single-base low pressure discharge lamp, the base (6) of which has at least two contact pins (10), wherein the adapter (1) consists of a housing (2,3) with a customary base (17) for incandescent lamps and provided on the upper side of the housing there are receptacles (9) for the contact pins (10) and in the interior of the housing (2, 3) counter contacts (13,13') receiving the contact pins (10), characterised in that the housing (2, 3) is in two parts and, moreover, formed on the upper part (2) of the housing, there is a cylindrical receptacle (4) for a spigot of the lamp base (6), and in the interior of the housing there is arranged a mounting plate (11), which at least partially surrounds the receptacle (4) for the spigot (5) and to which the counter contacts (13, 13') are attached.
2. An adapter according to claim 1, characterised in that the counter contacts (13, 13') have resilient contact lugs (15,15'), which surround the contact pin (10) on two sides.
3. An adapter according to claim 1 and 2, characterised in that the counter contacts (13, 13') are provided with securing lugs (14, 14') for attachment to the mounting plate (11).
4. An adapter according to claims 1 to 3, characterised in that the counter contacts (13,13') are provided with at least one contact lug (16,16') for contacting the mounting plate (11).
EP85113529A 1984-10-25 1985-10-24 Adapter for a single-base low-pressure discharge lamp Expired - Lifetime EP0179473B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8431386U 1984-10-25
DE8431386U DE8431386U1 (en) 1984-10-25 1984-10-25 Adapter for a single-ended low-pressure discharge lamp

Publications (3)

Publication Number Publication Date
EP0179473A2 EP0179473A2 (en) 1986-04-30
EP0179473A3 EP0179473A3 (en) 1988-10-26
EP0179473B1 true EP0179473B1 (en) 1990-06-20

Family

ID=6772071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85113529A Expired - Lifetime EP0179473B1 (en) 1984-10-25 1985-10-24 Adapter for a single-base low-pressure discharge lamp

Country Status (5)

Country Link
EP (1) EP0179473B1 (en)
JP (1) JPH0677468B2 (en)
KR (1) KR940001264B1 (en)
DE (2) DE8431386U1 (en)
HK (1) HK91593A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68912002T2 (en) * 1988-07-01 1994-07-07 Philips Nv Electric lamp.
SE462938B (en) * 1988-12-16 1990-09-17 Combinova Ab ADAPTER INTENDED TO REPLACE A CONVENTIONAL LAMP MACHINE IN A LAMP LIGHT
SE8804558D0 (en) * 1988-12-16 1988-12-16 Combinova Ab ADAPTER FOR COMPACT LIGHT ROW
EP0447957A3 (en) * 1990-03-19 1992-04-29 Walter Holzer Compact fluorescent lamp
DE4012684A1 (en) * 1990-04-20 1991-10-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Compact low-pressure discharge lamp with switching arrangement
GB2248149B (en) * 1990-08-31 1994-07-13 Koito Mfg Co Ltd Discharge lamp connector assembly
DE9206294U1 (en) * 1992-05-11 1992-07-02 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
SE500866C2 (en) * 1993-02-04 1994-09-19 Lumalampan Ab The procedure for the manufacture of compact fluorescent lamps and compact fluorescent lamps manufactured according to the procedure
HU214132B (en) * 1994-01-25 1997-12-29 Ge Lighting Tungsram Rt Discharge lamp having its cap at one side
WO1995034909A1 (en) * 1994-06-14 1995-12-21 Philips Electronics N.V. Illumination unit
DE19701195A1 (en) * 1997-01-15 1998-07-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Compact low pressure discharge lamp
DE19701162A1 (en) * 1997-01-15 1998-07-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Compact low pressure discharge lamp
DE19755171A1 (en) * 1997-12-11 1999-06-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Compact low pressure discharge lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815080A (en) * 1973-04-12 1974-06-04 F Summa Fluorescent lamp adapter assembly
US4316120A (en) * 1979-06-13 1982-02-16 General Electric Company Circular fluorescent lamp unit
DE8233763U1 (en) * 1982-12-01 1984-05-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Mounting set for two single-ended discharge lamps

Also Published As

Publication number Publication date
HK91593A (en) 1993-09-10
DE8431386U1 (en) 1986-02-20
KR860003683A (en) 1986-05-28
EP0179473A2 (en) 1986-04-30
JPS61104574A (en) 1986-05-22
DE3578361D1 (en) 1990-07-26
KR940001264B1 (en) 1994-02-18
JPH0677468B2 (en) 1994-09-28
EP0179473A3 (en) 1988-10-26

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