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EP0923105B1 - Lampe à décharge à basse pression de type compact - Google Patents

Lampe à décharge à basse pression de type compact Download PDF

Info

Publication number
EP0923105B1
EP0923105B1 EP98121414A EP98121414A EP0923105B1 EP 0923105 B1 EP0923105 B1 EP 0923105B1 EP 98121414 A EP98121414 A EP 98121414A EP 98121414 A EP98121414 A EP 98121414A EP 0923105 B1 EP0923105 B1 EP 0923105B1
Authority
EP
European Patent Office
Prior art keywords
pressure discharge
low
discharge lamp
cap
mounting plate
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
EP98121414A
Other languages
German (de)
English (en)
Other versions
EP0923105A1 (fr
Inventor
Horst Wittmann
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 EP0923105A1 publication Critical patent/EP0923105A1/fr
Application granted granted Critical
Publication of EP0923105B1 publication Critical patent/EP0923105B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Definitions

  • the invention relates to a compact low-pressure discharge lamp consisting of a discharge vessel with electrodes and power supplies and a base composed of a cap, housing and mounting plate with ballast arrangement, the mounting plate with the ballast arrangement being fitted inside the base housing and having connections for the electrical connection of the power leads to the mounting plate and the power supply means. a spring element can be pressed against the electrical connections of the mounting plate.
  • the discharge vessel usually consists of a tube bent one or more times, which is arranged in a base.
  • a mounting plate designed as a circuit board with an electronic ballast assembly soldered to it is integrated in the base.
  • the manufacturing costs for these compact low-pressure discharge lamps are relatively high, since many complicated manufacturing steps are necessary in the manufacture.
  • One of these manufacturing steps is the electrical connection of the power supply lines of the discharge vessel to the corresponding connections of the ballast arrangements. To make this connection, the corresponding connecting wires have so far been brought together and crimped, for example, with a metal sleeve.
  • the known low-pressure discharge lamp has a discharge vessel with electrodes and current leads and a cap, Housing and mounting plate with ballast assembly assembled base.
  • the mounting plate is attached with the ballast arrangement inside the base housing. It also has connections for the electrical connection of the power supply lines to the mounting plate, the power supply lines being pressed against the electrical connections of the mounting plate designed as separate contact pins by means of a spring element arranged in the housing on the mounting plate.
  • EP-A-0 452 743 discloses a low-pressure discharge lamp which has holding pins with the aid of which the ends of the current leads are aligned perpendicular to the bow-shaped connecting wires of the ballast arrangement.
  • the respective wires to be contacted are arranged approximately at right angles one behind the other and are pressed resiliently against one another with the aid of the retaining pin and the inner wall of the base housing, so that an electrical connection is established between the electrodes of the discharge vessel of the ballast arrangement.
  • a disadvantage of the prior art described is that such electrical connection systems are very complex. This increases the manufacturing costs.
  • the production speed for such low-pressure discharge lamps is not very high.
  • the current leads of a discharge vessel are connected to the electrical connections of a mounting plate with a ballast arrangement via a respective spring element which presses the current supply against the connection.
  • the spring element is arranged in a cap of the low-pressure discharge lamp, the cap having at least one spring receptacle for receiving and releasably fastening the spring element.
  • the spring element Before the base is assembled, the spring element is advantageously accommodated in a spring receptacle formed on the inner circumference of the cap.
  • the spring receptacle has a cavity for receiving at least a part of the spring element and is usually rectangular in cross section.
  • a shoulder for supporting a region of the spring element is formed in the cavity of the spring receptacle.
  • a gap is formed between the inner circumference of the housing and the outer circumference of the cap for receiving one end of the power supply.
  • the mounting plate is fastened in the interior of the housing perpendicular to the longitudinal axis of the lamp.
  • the mounting plate lies on ribs formed on the inner circumference of the housing and running parallel to the longitudinal axis of the lamp.
  • the mounting plate is advantageously designed as a circuit board, with conductor tracks being formed on the side facing the discharge vessel and circuit elements of the ballast arrangement being formed on the side facing away from the discharge vessel.
  • At least one connection for making electrical contact with the power supply to the mounting plate is designed as a soldering eye.
  • at least one connection for electrically contacting the power supply with the mounting plate consists of one or more flat soldering areas and / or strips. This simple and space-saving structure of the lamp base ensures that it can be kept small overall and is also inexpensive to manufacture.
  • Positioning devices are advantageously designed to position the cap and the housing of the base in the correct position. Further details, features, configurations and advantages result from the following description of a number of exemplary embodiments of the subject matter of the invention which are shown in the drawing:
  • FIG. 1 shows a schematically illustrated sectional view of a compact low-pressure discharge lamp 10 or a partial area of the edge area of the base 12.
  • the lamp 10 comprises a discharge vessel 14 and a base 12, the base 12 being composed of a cap 16 and a housing 18.
  • the base 12 is essentially cylindrical.
  • the cap 16 and the housing 18 are detachably connected to one another, at least one positioning device 48 being designed for connecting the cap 16 and the housing 18 in the correct position.
  • the cap 16 has in the end facing the housing 18 an annular bead 20 in its outer periphery.
  • the bead 20 and an annular groove 22 in the inner circumference of the housing 18 form a gap 34 for receiving an end 32 of a power supply 30.
  • a mounting plate 24 is fastened perpendicular to the lamp axis.
  • the mounting plate 24 is designed as a circuit board, with conductor tracks (not shown) being formed on the side facing the discharge vessel 14 and circuit elements on the side facing away from the discharge vessel 14.
  • the discharge vessel 14 usually consists of two or three U-shaped pipe sections which are connected to one another by a passage (not shown), the end legs each carrying electrodes.
  • the free ends of the pipe sections are sealed gas-tight by squeezing and are located within the cap 16 of the base 12.
  • the power supply lines 30 emerge from the discharge vessel 14.
  • Such a lamp is described on page 1.
  • the power supply lines 30 are pressed against the electrical connections 26 of the mounting plate 24 by means of a spring element 28.
  • the spring element 28 here engages in a spring receptacle 40 formed in the region of the inner circumference of the cap 16 and is detachably fastened therein in the exemplary embodiment shown.
  • the spring receptacle 40 consists of side walls 41, 43 which surround a cavity 42.
  • the cavity 42 serves to receive part of the spring element 28 and is rectangular in cross section (FIG. 2).
  • a shoulder 44 for supporting an area 50 of the spring element 28 is formed in the cavity 42.
  • the side walls 41, 43 surrounding the cavity 42 have bevels 46 towards the free end of the spring receptacle 40. These bevels 46 facilitate the introduction of the spring element 28.
  • the end 32 of the power supply 30 is placed in the gap 34 and thus aligned in the correct position.
  • the mounting plate 24 has, on the side facing the discharge vessel 14, connections 26 for making electrical contact with the power supply lines 30 of the ballast arrangement.
  • the connections 26 can be designed as a soldering eye or as a flat soldering surface and / or strip integrated or resting in the mounting plate 24.
  • Figure 2 shows a sectional view of a portion of the edge region of the base 12. It can be seen that the free end of the housing 18 is connected to the free end of the cap 16.
  • the spring receptacle 40 is formed in the region of the inner circumference of the cap 16.
  • the side walls 41, 43 surround the cavity 42 in which the shoulder 44 is formed on the side facing the outer circumference of the cap 16.
  • the spring receptacle 40 is essentially rectangular in cross section.
  • the bevel 46 of the side walls 41, 43 can be seen.
  • the different overall lengths of the two side walls 41, 43 can also be clearly seen.
  • a circumferential tab 36 forms the end of the cap 16 in the direction of the mounting plate 24.
  • the tab 36 forms dome-like extensions 37 at predetermined locations, which engage in corresponding recesses 38 in the mounting plate 24.
  • the spike-like extensions 37 of the tab 36 and the recesses 38 thus form the positioning device 48.
  • FIG. 3 shows a plan view of a part of the edge region of the base 12 of the lamp 10. It can be seen that the ends 32 of the power supply lines 30 come to lie in the gap 34 formed between the peripheral tab 36 and the inner circumference of the housing 18. For correct positioning of the power supply lines 30 below the spring element 28 are on the outer circumference of the cap 16 in the area of the spring receptacles 40 each have recesses 52 for receiving the ends 32 of the power supply lines 30.
  • Figure 4 shows a schematic representation of the design of the spring element 28.
  • the spring element 28 is shown as a multi-curved spring steel band.
  • the length of the spring element 28 is selected such that a reliable contact between the power supply 30 and the terminal 26 of the mounting plate 24 is guaranteed.
  • the spring element 28 consists of plastic and / or metal and / or a metal alloy.
  • the spring element can be designed as a spiral spring. Any other advantageous spring shape is also conceivable.

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)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (13)

  1. Lampe à décharge à basse pression de type compact, constituée d'une enceinte (14) de décharge ayant des électrodes et des entrées (30) de courant, et d'un culot (12) composé d'un capuchon (16), d'un corps (18) et d'une plaque (24) de montage à dispositif de ballast, la plaque (24) de montage, ayant le dispositif de ballast, étant placée à l'intérieur du corps (18) du culot et ayant des bornes (26) de liaison électrique des entrées (30) de courant à la plaque (24) de montage, et les entrées (30) de courant étant repoussées, au moyen d'un élément (28) élastique, sur les bornes (26) électriques de la plaque (24) de montage, caractérisée en ce que l'élément (28) élastique est disposé dans le capuchon (16) et le capuchon (16), a au moins un logement (40) de réception et de fixation de manière amovible de l'élément (28) élastique.
  2. Lampe à décharge à basse pression suivant la revendication 1, caractérisée en ce que le logement (40) est constitué dans la partie du pourtour intérieur du capuchon (16).
  3. Lampe à décharge à basse pression suivant la revendication 2, caractérisée en ce que le logement (40) a une cavité (42) de réception d'une partie de l'élément (28) élastique et a une section transversale rectangulaire.
  4. Lampe à décharge à basse pression suivant la revendication 3, caractérisée en ce qu'il est constitué dans la cavité (42), un épaulement (44) d'appui d'une partie (56) de l'élément (28) élastique.
  5. Lampe à décharge à basse pression suivant la revendication 4, caractérisée en ce qu'il est constitué entre le pourtour intérieur du corps (18) et le pourtour extérieur du capuchon (16), un intervalle (34) de réception d'une extrémité (32) de l'entrée (30) de courant.
  6. Lampe à décharge à basse pression suivant l'une des revendications précédentes, caractérisée en ce que l'élément (28) élastique est constitué d'un ruban d'acier pour ressort coudé une fois ou plusieurs fois, ou d'un ressort hélicoïdal.
  7. Lampe à décharge à basse pression suivant l'une des revendications précédentes, caractérisée en ce que l'élément (28) élastique est en une matière plastique, et/ou en un métal et/ou en un alliage de métaux.
  8. Lampe à décharge à basse pression suivant l'une des revendications précédentes, caractérisée en ce que le culot (12) est de forme sensiblement cylindrique.
  9. Lampe à décharge à basse pression suivant l'une des revendications précédentes, caractérisée en ce que la capuchon (16) et le corps (18) sont assemblés entre eux de manière amovible, au moins un dispositif (48) de mise en position étant prévu pour relier d'une manière correcte en position le capuchon (16) et le corps (18).
  10. Lampe à décharge à basse pression suivant l'une des revendications précédentes, caractérisée en ce que la plaque (24) de montage est fixée à l'intérieur du corps (18), perpendiculairement à l'axe longitudinal de la lampe.
  11. Lampe à décharge à basse pression suivant l'une des revendications précédentes, caractérisée en ce que la plaque (24) de montage est constituée en platine, les pistes conductrices étant constituées sur la face tournée vers l'enceinte (14) de décharge, et des éléments de circuit du dispositif de ballast étant constitués sur la face éloignée de l'enceinte (14) de décharge.
  12. Lampe à décharge à basse pression suivant l'une des revendications précédentes, caractérisée en ce qu'au moins une borne (26) pour assurer le contact électrique des entrées (30) de courant avec la plaque (24) de montage est constituée sous la forme d'une pastille de brasure.
  13. Lampe à décharge à basse pression suivant l'une des revendications précédentes, caractérisée en ce qu'au moins une borne (26) pour assurer le contact électrique des entrées (30) de courant avec la plaque (24) de montage, est constituée en une ou en plusieurs surfaces et/ou bandes plates de brasure.
EP98121414A 1997-12-11 1998-11-11 Lampe à décharge à basse pression de type compact Expired - Lifetime EP0923105B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19755171A DE19755171A1 (de) 1997-12-11 1997-12-11 Kompakte Niederdruckentladungslampe
DE19755171 1997-12-11

Publications (2)

Publication Number Publication Date
EP0923105A1 EP0923105A1 (fr) 1999-06-16
EP0923105B1 true EP0923105B1 (fr) 2003-01-29

Family

ID=7851625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121414A Expired - Lifetime EP0923105B1 (fr) 1997-12-11 1998-11-11 Lampe à décharge à basse pression de type compact

Country Status (7)

Country Link
US (1) US6239540B1 (fr)
EP (1) EP0923105B1 (fr)
JP (1) JP4221095B2 (fr)
KR (1) KR100602391B1 (fr)
CN (1) CN1149608C (fr)
CA (1) CA2255177C (fr)
DE (2) DE19755171A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7514872B2 (en) * 2005-09-08 2009-04-07 Osram Sylvania Inc. Reflector lamp with engaging electrical contact
CN102062368B (zh) * 2010-09-28 2013-07-31 上海亚明灯泡厂有限公司 替换支架灯灯管及灯头盖
CN104246963B (zh) 2012-04-26 2017-03-01 皇家飞利浦有限公司 到灯具壳体的接地连接
CN104246962B (zh) * 2012-04-26 2016-08-31 皇家飞利浦有限公司 底座内具有接触路径的放电灯
CN105225768B (zh) * 2015-10-12 2017-03-01 中北大学 一种三明治结构柔性镀银功能粒子导电膜的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL40602C (fr) * 1935-04-02
DD145143A1 (de) * 1979-07-13 1980-11-19 Reinhard Butz Sockelbodenkontaktierung zwischen odenkontaktstueck und stromzufuehrungsdraht einer elekt ischen lampe
DE3412461A1 (de) * 1984-04-03 1985-10-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Fassung fuer eine einseitig gesockelte hochdruckentladungslampe
EP0179251A2 (fr) * 1984-10-25 1986-04-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à décharge à vapeur de mercure à basse pression avec culot unique
DE8431386U1 (de) * 1984-10-25 1986-02-20 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Adapter für eine einseitig gesockelte Niederdruckentladungslampe
DE68912002T2 (de) * 1988-07-01 1994-07-07 Philips Nv Elektrische Lampe.
DE4012684A1 (de) * 1990-04-20 1991-10-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kompakte niederdruckentladungslampe
DE9213547U1 (de) * 1991-10-23 1992-12-10 Oshino Lamps GmbH, 8500 Nürnberg Glühlampenfassung mit Glühlampe(n)
HU214132B (en) * 1994-01-25 1997-12-29 Ge Lighting Tungsram Rt Discharge lamp having its cap at one side
JPH09306203A (ja) * 1996-05-10 1997-11-28 Koito Mfg Co Ltd 放電灯バルブ用ソケット
KR200144548Y1 (ko) * 1996-06-15 1999-06-15 조성호 컴팩트 형광등용 안정기
DE19701162A1 (de) * 1997-01-15 1998-07-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kompakte Niederdruckentladungslampe
DE19709928A1 (de) * 1997-03-11 1998-09-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Halogenglühlampe und Fassung

Also Published As

Publication number Publication date
JPH11250726A (ja) 1999-09-17
CA2255177C (fr) 2008-01-29
DE19755171A1 (de) 1999-06-17
CN1219746A (zh) 1999-06-16
JP4221095B2 (ja) 2009-02-12
CA2255177A1 (fr) 1999-06-11
US6239540B1 (en) 2001-05-29
KR19990062985A (ko) 1999-07-26
KR100602391B1 (ko) 2007-08-16
EP0923105A1 (fr) 1999-06-16
DE59807060D1 (de) 2003-03-06
CN1149608C (zh) 2004-05-12

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