EP0784332A1 - Lampe à décharge à basse pression à culot unique et douille correspondante - Google Patents

Lampe à décharge à basse pression à culot unique et douille correspondante Download PDF

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Publication number
EP0784332A1
EP0784332A1 EP97100073A EP97100073A EP0784332A1 EP 0784332 A1 EP0784332 A1 EP 0784332A1 EP 97100073 A EP97100073 A EP 97100073A EP 97100073 A EP97100073 A EP 97100073A EP 0784332 A1 EP0784332 A1 EP 0784332A1
Authority
EP
European Patent Office
Prior art keywords
base
socket
lamp
contacts
low
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
EP97100073A
Other languages
German (de)
English (en)
Other versions
EP0784332B1 (fr
Inventor
Horst Porembski
Andreas Hollstein
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 EP0784332A1 publication Critical patent/EP0784332A1/fr
Application granted granted Critical
Publication of EP0784332B1 publication Critical patent/EP0784332B1/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
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • H01J61/322—Circular lamps
    • 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
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • 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
    • H01J5/565—Bases for circular lamps

Definitions

  • the invention relates to a low-pressure discharge lamp with a base on one side and an associated version according to the preamble of claim 9.
  • Such lamps are characterized by their rather flat shape.
  • a tubular discharge vessel with a typically circular cross section is arranged in one plane in such a way that the two ends of the discharge vessel face each other.
  • the ring shape is particularly common. Due to the associated circular symmetrical radiation characteristics, it is particularly suitable for general lighting, e.g. in living and office spaces.
  • the lamp is usually built into a luminaire, which may also include an optical reflector for light control.
  • the current leads of the electrodes arranged inside the vessel are led gas-tight to the outside through the ends of the discharge vessel.
  • the two ends of the vessel, including power supplies, are surrounded by a common elongated base.
  • the power leads are connected to electrical contacts on the base.
  • the base contacts are used to make contact with the corresponding contacts of a lamp holder.
  • a ring-shaped fluorescent lamp (e.g. OSRAM L32 / 41-827C with base G10q) is known in which the pin-shaped base contacts are arranged square at an angle of 45 ° with respect to the ring plane of the lamp.
  • Another disadvantage is the relatively voluminous base, which opposes efforts towards compact, in particular flat, luminaires.
  • the object of the invention is to eliminate the above-mentioned defects and to provide a low-pressure discharge lamp of the type explained at the beginning, which has a compact, flat and simply designed base, which enables simple and quick lamp installation and, if appropriate, fitting a lamp.
  • Another object of the invention is to provide a version associated with the base according to the invention.
  • the basic idea of the invention is to arrange the base contacts essentially in the plane in which the discharge vessel extends, one half of the base contacts being arranged on a first side of the base and the other half on the opposite side of the base.
  • the two base contacts of each lamp end are preferably arranged on the opposite sides of the base.
  • the base according to the invention is characterized by a particularly low overall height.
  • This base is particularly advantageously used with discharge tubes with particularly small diameters (typically 16 mm instead of the previously customary 30 mm). This has the advantage that the entire arrangement of lamp with base is relatively flat.
  • the associated version has a channel-like opening for receiving the base.
  • the two side walls of the opening are each provided with two slot-like recesses for receiving the base contacts.
  • Contacts are arranged in the cutouts. When inserting the base into the socket, the associated contacts touch each other, thus ensuring contact between the base and socket.
  • the advantage of this solution is that only a single straight-line movement is required for the lighting equipment.
  • the socket contacts in the cutouts which are usually at an increased electrical potential with respect to the environment, are protected against accidental contact.
  • the base according to the invention has an elongated, cylinder-like basic shape which is open on the two end faces.
  • the circular openings in the base serve to receive the two ends of the discharge vessel, including the associated power supply lines.
  • Two pin-shaped contacts each protrude from two opposite sides of the central cuboid part of the base.
  • the contacts are arranged in the plane in which the discharge vessel extends.
  • Two contacts at a time - one contact from each of the two opposite sides - form a pair of contacts which are connected to the two power supply lines at each end of the vessel.
  • the current leads in the common plane of the base contacts are preferably led outward from the discharge vessel. In this way, a particularly flat design can be realized without the power supply lines being able to touch one another.
  • the associated version has a U-shape-like basic shape.
  • the two legs of the socket each have two slot-like recesses with contacts. They are used to record and make contact with the corresponding socket contacts. To do this, the lamp base is inserted into the space between the legs.
  • the socket contacts are designed as detent springs.
  • the base contacts snap into the socket contacts.
  • the socket contacts are used not only for making electrical contact but also for locking the base and consequently the lamp connected to the base in the socket.
  • the locking is carried out by an additional fastening element.
  • the two side walls of the channel-like opening are each provided with a nose-like retaining spring which, when connecting the base and socket m, engage corresponding recesses in the outer wall of the base.
  • FIG. 1 the top view of a fluorescent lamp 1 according to the invention is shown schematically.
  • the fluorescent lamp 1 consists, in a manner known per se, of an annular discharge tube 2 coated with a fluorescent material, in which two glow electrodes are arranged (not shown) and a base 3 with four pin-shaped base contacts (8a, 8b, 9a, 9b), in the latter projections 4.5 similar to a circular cylinder protrude the two ends of the discharge tube 2.
  • the discharge tube 2 has a circular cross section with a diameter of approximately 16 mm.
  • the base represents the actual innovation of the lamp and is therefore explained in more detail below.
  • the same reference numerals designate the same features.
  • Figures 2a to 2c show the top, side and end view of the base 3 of the fluorescent lamp 1 from Figure 1.
  • the base 3 consists of a elongated, cuboid middle part 6 and the two circular cylinder-like extensions 4,5.
  • the extensions 4, 5 are each formed obliquely on the two end faces of the central part 6 in order to be able to accommodate the two ends of the annular discharge tube 2, as indicated in FIG. 1.
  • Two contact pins 8a, 9a and 8b, 9b each protrude from two opposite side walls 7a, b of the central part 6.
  • Two contacts 8a, 8b and 9a, 9b - a contact from each of the two opposite side walls 7a, 7b - form a pair of contacts.
  • the first contact pair 8a, 8b is connected to the two current leads of the first end of the discharge vessel 2 (not shown) and the other contact pair 9a, 9b to the current leads of the other end (not shown).
  • the side walls 7a, b mentioned each have two rectangular cutouts 10a, 10b and 10c, 10d (the cutout 10d is covered in the illustration), each pair of cutouts 10a, 10b and 10c, 10d lying opposite one another in the region of the longitudinal edges is arranged.
  • a recess 10a, 10c per side wall serves as a snap-in opening for corresponding retaining springs of the associated socket.
  • the respective other recess 10b, 10d is used for locking when the base is rotated accordingly by 180 °.
  • the longitudinal edges of the middle part 6 are provided with chamfers 11 in order to avoid tilting when inserting them into the lamp holder.
  • FIGS. 3a and 3b show the top view or end view of a socket 12 belonging to the base from FIG. 1. It has a channel-like shape with a rectangular base and a U-shaped end view.
  • the two legs 13a, 13b of the socket each have two slot-like recesses 14a, 15a and 14b, 15b with spring contacts 16a, 17a and 16b, 17b. They serve to receive and make contact with the corresponding pin contacts 8a, 9a and 8b, 9b of the base 3.
  • the two side walls of the channel-like opening between the legs 13a, 13b are each provided with a nose-like retaining spring 18a, b.
  • the lamp base 3 is inserted into the channel-like opening (not shown).
  • the retaining springs 18a, b of the socket snap into the recesses 10a, 10b of the base 3.

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Connecting Device With Holders (AREA)
EP97100073A 1996-01-15 1997-01-03 Lampe à décharge à basse pression à culot unique et douille correspondante Expired - Lifetime EP0784332B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29600594U DE29600594U1 (de) 1996-01-15 1996-01-15 Einseitig gesockelte Niederdruckentladungslampe und zugehörige Fassung
DE29600594U 1996-01-15

Publications (2)

Publication Number Publication Date
EP0784332A1 true EP0784332A1 (fr) 1997-07-16
EP0784332B1 EP0784332B1 (fr) 2000-11-29

Family

ID=8018041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100073A Expired - Lifetime EP0784332B1 (fr) 1996-01-15 1997-01-03 Lampe à décharge à basse pression à culot unique et douille correspondante

Country Status (6)

Country Link
US (1) US5789849A (fr)
EP (1) EP0784332B1 (fr)
JP (1) JP3854354B2 (fr)
KR (1) KR100442890B1 (fr)
DE (2) DE29600594U1 (fr)
TR (1) TR199700015A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3135526B2 (ja) * 1997-03-31 2001-02-19 松下電子工業株式会社 環形蛍光ランプ
EP0935092A1 (fr) * 1998-02-03 1999-08-11 General Electric Company Lampe à décharge à basse pression et support de lampe
JP2002324513A (ja) * 2001-04-25 2002-11-08 Nec Lighting Ltd 環形蛍光ランプ及び照明器具
JP4770595B2 (ja) * 2006-06-05 2011-09-14 パナソニック株式会社 環形蛍光ランプ
JP4666313B2 (ja) * 2007-05-21 2011-04-06 Ｎｅｃライティング株式会社 ランプ
DE102008053623A1 (de) * 2008-10-29 2010-05-12 Osram Gesellschaft mit beschränkter Haftung Leuchteinrichtung mit einer Entladungslampe und einem teilweise extern zur Entladungslampe angeordneten und mit dieser elektrisch verbundenen elektronischen Betriebsgerät
JP5557808B2 (ja) * 2011-06-22 2014-07-23 日立アプライアンス株式会社 蛍光ランプ

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH270390A (de) * 1948-12-11 1950-08-31 Lumalampan Ab Elektrische Gasentladungslampe, welche die Form einer in sich geschlossenen Schleife aufweist.
US2597666A (en) * 1947-11-05 1952-05-20 Gen Electric Movable contact base
FR1157561A (fr) * 1955-09-21 1958-05-30 Lampes Sa Appareil d'éclairage à lampe circulaire à fluorescence
JPS56106336A (en) * 1980-01-26 1981-08-24 Nec Home Electronics Ltd Metallic piece for bulb
GB2137017A (en) * 1983-03-02 1984-09-26 Emi Plc Thorn Improvements in or relating to discharge lamps
JPH04223083A (ja) * 1990-12-26 1992-08-12 Matsushita Electric Works Ltd 丸型蛍光灯照明器具

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE478359A (fr) * 1941-10-18
US2366252A (en) * 1941-10-18 1945-01-02 Gen Electric Circular electric lamp
US2367984A (en) * 1943-06-03 1945-01-23 Bryant Electric Co Discharge lamp assembly
US2392785A (en) * 1945-03-28 1946-01-08 Sylvania Electric Prod Lamp base
US2453986A (en) * 1945-05-07 1948-11-16 Gen Electric Circular electric lamp
US2413662A (en) * 1945-08-21 1946-12-31 Sylvania Electric Prod Lamp base
US2480301A (en) * 1946-02-01 1949-08-30 Clayton M Moretz Electric light fixture
US2733417A (en) * 1952-10-30 1956-01-31 Metal sleeve base for double ended tubular lamp
US3292097A (en) * 1963-12-16 1966-12-13 Edwin S Gaynor Circular fluorescent lamp connector
JPS4842373U (fr) * 1971-09-20 1973-05-30
US3752977A (en) * 1972-04-20 1973-08-14 Sola Basic Ind Inc Adjustable fluorescent lamp mounting means
US3898495A (en) * 1974-04-05 1975-08-05 Westinghouse Electric Corp Circular fluorescent lamp with two-piece snap-lock base
US4002394A (en) * 1975-10-10 1977-01-11 General Electric Company Single latch snap-lock base for annular fluorescent lamps
US4468071A (en) * 1981-02-18 1984-08-28 General Electric Company Double latch snap lock base for annular fluorescent lamps
JPS57179250U (fr) * 1981-05-08 1982-11-13
US4350400A (en) * 1981-07-14 1982-09-21 Gaynor Edwin S Connector for circular fluorescent lamp
NL8402000A (nl) * 1983-07-20 1985-02-18 Kuiper Adrianus Maria Lamphouder voor lus-, u- of pi-vormige gasontladings- of fluorescentielamp met een enkele lampvoet.
US4569004A (en) * 1984-09-17 1986-02-04 Peterson William A Cove light fixture
JPS61153917A (ja) * 1984-12-27 1986-07-12 Toshiba Corp 環形螢光ランプの口金
JPS6210832A (ja) * 1985-07-08 1987-01-19 Toshiba Corp 環形螢光ランプ用口金
JPS6251129A (ja) * 1985-08-28 1987-03-05 Toshiba Corp 環形螢光ランプ
JPS63198223A (ja) * 1987-02-12 1988-08-16 Hitachi Ltd 環形蛍光ランプの口金
US4771370A (en) * 1987-06-29 1988-09-13 Gte Products Corporation Leg strap for U-shaped lamp
JPH01255126A (ja) * 1988-04-04 1989-10-12 Nec Home Electron Ltd 放電灯及びその製造方法
JPH0797477B2 (ja) * 1988-09-22 1995-10-18 東芝ライテック株式会社 放電ランプ装置
JPH0286025A (ja) * 1988-09-20 1990-03-27 Toshiba Lighting & Technol Corp 環形ランプ装置
JPH0772476A (ja) * 1993-09-02 1995-03-17 Harrison Denki Kk 照明装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597666A (en) * 1947-11-05 1952-05-20 Gen Electric Movable contact base
CH270390A (de) * 1948-12-11 1950-08-31 Lumalampan Ab Elektrische Gasentladungslampe, welche die Form einer in sich geschlossenen Schleife aufweist.
FR1157561A (fr) * 1955-09-21 1958-05-30 Lampes Sa Appareil d'éclairage à lampe circulaire à fluorescence
JPS56106336A (en) * 1980-01-26 1981-08-24 Nec Home Electronics Ltd Metallic piece for bulb
GB2137017A (en) * 1983-03-02 1984-09-26 Emi Plc Thorn Improvements in or relating to discharge lamps
JPH04223083A (ja) * 1990-12-26 1992-08-12 Matsushita Electric Works Ltd 丸型蛍光灯照明器具

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 179 (E - 082) 17 November 1981 (1981-11-17) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 574 (E - 1298) 14 December 1992 (1992-12-14) *

Also Published As

Publication number Publication date
US5789849A (en) 1998-08-04
EP0784332B1 (fr) 2000-11-29
JPH09199003A (ja) 1997-07-31
KR970060339A (ko) 1997-08-12
DE59702675D1 (de) 2001-01-04
DE29600594U1 (de) 1997-05-07
KR100442890B1 (ko) 2004-09-18
JP3854354B2 (ja) 2006-12-06
TR199700015A2 (tr) 1997-08-21

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