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EP1206791B1 - Dispositif de raccordement destine a une lampe a decharge en forme de tige ayant deux extremites - Google Patents

Dispositif de raccordement destine a une lampe a decharge en forme de tige ayant deux extremites Download PDF

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Publication number
EP1206791B1
EP1206791B1 EP00969258A EP00969258A EP1206791B1 EP 1206791 B1 EP1206791 B1 EP 1206791B1 EP 00969258 A EP00969258 A EP 00969258A EP 00969258 A EP00969258 A EP 00969258A EP 1206791 B1 EP1206791 B1 EP 1206791B1
Authority
EP
European Patent Office
Prior art keywords
contact
lamp
connection device
connection
contact pin
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
EP00969258A
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German (de)
English (en)
Other versions
EP1206791A1 (fr
Inventor
Armin Beying
Joachim Jung
Karlheinz Schworm
Günter Fuchs
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.)
IST Metz GmbH
Original Assignee
IST Metz GmbH
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 IST Metz GmbH filed Critical IST Metz GmbH
Publication of EP1206791A1 publication Critical patent/EP1206791A1/fr
Application granted granted Critical
Publication of EP1206791B1 publication Critical patent/EP1206791B1/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
    • 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
    • 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
    • H01R33/08—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp

Definitions

  • the invention relates to a connection arrangement for a rod-shaped double ended Discharge lamp, in particular a high-pressure mercury lamp or Mercury medium pressure lamp, according to the preamble of the claim 1.
  • Mercury high and medium pressure lamps are due to their emission in the UV range in irradiation units for influencing surfaces in a variety of applications, especially for the environmentally friendly Hardening of coatings, inks and paints used. conditioned due to dirt and wear, the lamp must be cleaned at intervals or replaced. Also for access to other serviceable Aggregate parts such as reflectors is an extension of the lamp essential. In doing so, appropriate safety precautions must be taken be because such UV lamps are operated with high voltage and to heat up to high temperatures during operation. In conventional Terminal arrangements for such lamps are the voltage leading Connecting cable to the lamp sockets materially bonded to the electrode system connected. Removal of the lamp therefore requires a labor-intensive Undo and fix the connection cables in the device housing cramped space.
  • EP-A-367343 discloses a double ended discharge lamp with frontally free protruding pins, while a discharge lamp according to WO-A-97/37369, the contact pins on a complicated Ride connection assembly radially.
  • the invention has the object, a connection arrangement to provide that overcomes the disadvantages mentioned and in a compact design easy installation and high reliability guaranteed.
  • the invention is based on the idea of a simple holder of Combine lamp with reliable contact making. Accordingly it is proposed that the lamp base each have a contact pin under the provision of a lateral connection opening enclosing all sides Have insulating, and that the contact elements through the Connection opening of the associated lamp base through with its Contact pin can be brought into releasable engagement, wherein the insulating body in the connection state cover the connection openings. This will be a Quick change possibility with good all-sided insulation in the connection state guaranteed.
  • a particularly advantageous and reliable contact production is characterized achieved, that the contact pins radially in a transverse to the lamp longitudinal axis extending joining direction to produce a clamp connection with the contact elements tool-free engageable and again detachable are.
  • the contact elements formed by a U-shaped spring contact are, whose spring legs with their facing contact sides be spread open under spring tension on the contact pin.
  • a further improvement of the contact production and contact action leaves can be achieved in that the spring legs of the spring contact a over a partial circumference over the entire surface against the contact pin adjacent partial circular bent contact portion and one away from the contact side have outwardly folded end portion, wherein the inside diameter the limited by the end portions insertion gap smaller than the Diameter of the contact pin is.
  • the contact element via a at the same time with the connection line connectable connection part anchored to the insulating body is. Even with shape and position deviations always a full-surface
  • the contact element with play "floating" is mounted on the insulating body. This can be over an example take place as spring washer trained spring element.
  • a particularly good contact protection and a secure shielding of conductive parts is advantageously achieved in that the insulating body has a U-shaped or C-shaped support member, on the inside the contact element is arranged centrally projecting.
  • a mechanically advantageous embodiment provides that the contact element is held against rotation in a recess of the insulating body.
  • the insulating a end formed on the support member flange for attachment to the Lamp housing has.
  • the trained as a hollow cylindrical pin pin is inside contacted with a lead wire of the associated lamp electrode.
  • the contact pin his the discharge lamp-facing end portion a radially projecting, Having on the inside of the insulating sleeve collar.
  • the insulating sleeve In order to ensure a sufficient mechanical strength, it is favorable when the insulating sleeve one the terminal end of the discharge lamp receiving, preferably sealed by means of a ceramic putty Support portion and a trained for the storage of the contact pin, Having provided with the connection opening free end portion. It is advantageous if the collar of the contact pin the interior of the Supporting section of the insulating sleeve end limited.
  • the contact pin at its preferably by a Tapered spigot formed free end in a central recess stored a free end of the insulating sleeve forming end wall.
  • the insulating front wall makes wide Isoliersharen in the lamp longitudinal direction dispensable, so that a compact device design allows becomes.
  • connection opening in Circumferential direction of the insulating seen an opening angle of at least 120 ° and in the axial direction of the insulating sleeve an opening width of at least 5 mm, preferably 10 mm.
  • the insulating sleeve and the insulating body each as one-piece molding made of an electrically insulating, thermally conductive and heat-resistant material, preferably of a ceramic material.
  • the contact element and / or the contact pin made of stainless steel or copper or a copper-beryllium alloy and optionally with an electrically highly conductive, non-oxidizing Surface layer preferably coated of gold or silver is.
  • Another aspect of the invention relates to a discharge lamp, in particular Mercury high pressure lamp or medium pressure mercury lamp is used in a UV irradiation unit, with a double-capped, rod-shaped discharge tube and a connection arrangement according to the invention.
  • connection arrangement shown in the drawing 10 or connection set serves for quick change holder and for electrical connection a rod-shaped mercury vapor gas discharge lamp 12 in one Housing 14 of a UV irradiation unit, not shown.
  • she consists essentially one each at the two terminal ends 16 of the Discharge tube 18 of the discharge lamp 12 arranged lamp base 20 and a respective Einbau established 22 for receiving the associated Lamp sockets 20.
  • the lamp caps 20 each have one at the terminal end 16 axially, i.e. in the direction of the lamp longitudinal axis 24 protruding pin 26 and a coaxially arranged with the contact pin 26, the basic shape cylindrical ceramic insulating sleeve 28 on.
  • the contact pin 26 is as Hollow cylinder pin executed and inside with one from the terminal end led out lead wire 30 welded, which has a metal strip piece 32 through the melt 34 through with the in the discharge tube 18 projecting coiled pin electrode 36 electrically connected is.
  • the contact pin 26 has a radial projecting plate-shaped collar 38, which radially on the inner wall the insulating sleeve 28 abuts.
  • the insulating sleeve 28 comprises with a lamp-side support portion 40 the Terminal end 16 and is with this over a ceramic putty 42nd cohesively connected. Front side of the connection area is through the Bund 38 of the contact pin 26 receiving free end portion 44 of the insulating sleeve 28 separated.
  • the end portion 44 is provided with a lateral, provided by a radial sheath opening formed connection opening 46, otherwise, however, with the freedom of an annular space 48 opposite closed the contact pin 26 on all sides.
  • the connection opening 46 extends over an opening angle of about 160 ° in the circumferential direction and has an axial opening width of approx. 10 mm.
  • the insulating sleeve 28 At its free end wall 50 points the insulating sleeve 28 has a central, inwardly open blind bore 51, in which the contact pin 26 has an end-side tapered in diameter Spigot 52 is mounted.
  • An inner shoulder 54 of the insulating sleeve 28th forms a stop for the contact pin 26, wherein the collar 38 for Compensation of different thermal expansion at an axial distance from the inner shoulder 54 is arranged.
  • the Einbau charged 22 consists of a with the contact pin 26 in clamping contact can be brought via a connecting cable 56 with high voltage (greater than 1 kV) acted upon spring contact 58 and a spring contact 58th ceramic insulating body 60.
  • the U-shaped spring contact 58 on two spring legs 62 which with their mutually facing contact sides laterally diametrically on the contact pin 26 are spreadable.
  • the light Width of the limited by the end portions 66 insertion gap 68 smaller as the diameter of the contact pin 26, so that the spring contact 58 easily als alssp Schwarzbar and locked in the connection state with the contact pin 26 is.
  • the insulating body 60 has a receiving part designed as a U-shaped piece 70 for receiving the lamp cap 20 and a front side of the receiving part 70 integrally formed flange 72 for synchronbefest Trent to the housing 14 on.
  • the receiving part 70 is on the inside at its crosspiece 74th provided with a longitudinal groove 76 in which the spring contact 58 at its Base is held against rotation.
  • To anchor the spring contact 58 is between the spring legs 62 a core piece 78 riveted, the over a threaded shaft 80 passes through the transverse web 74 of the receiving part 70 and is supported at its rear by means of nut 82 (Fig. 1).
  • the Kem Institution 78 at its abutting contact pin 26 contact side 88 complementary concave shaped to the outer contour.
  • the support portion 40 of the insulating sleeve 28 has an axial to the connection opening 46 adjacent flattened wall portion 90 on (Fig. 3), with the plan inner surface 92 of the crosspiece 74 of the receiving part 70 in tip over Plant can be brought.
  • An additional position stabilization is by the Leg of the receiving part 70 reaches, which with their facing each other Inner sides of the support portion 40 of the insulating sleeve 28 laterally center.
  • the discharge lamp 12 can be with the lamp sockets 20 to simple Insert without tools in the installation guides 22 and remove again.
  • the contact pins 26 are in a direction transverse to the lamp longitudinal axis 24 extending joining direction with the spring contacts 58 in engagement brought or dissolved again.
  • the reserved annulus 48 allows a corresponding spreading of the spring leg 62.
  • the receiving part 70th the insulating body 60 covers in the connection state, the connection opening 46 of the insulating sleeve 28, so that an all-round insulation and a secure contact protection is reached.

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Connecting Device With Holders (AREA)

Claims (21)

  1. Dispositif de raccordement pour une lampe à décharge (12) en forme de tige avec deux extrémités, en particulier une lampe à vapeur de mercure à haute-pression ou lampe à vapeur de mercure à moyenne pression, avec deux culots (20) disposés aux extrémités de raccordement (16) de la lampe de décharge (12) présentant respectivement une fiche de contact (26) qui fait saillie à l'extrémité de raccordement (16) dans le sens longitudinal de la lampe (24) et est reliée électriquement avec une électrode de lampe (36), ainsi que deux douilles pour encastrement (22) pour la réception des culots (20) pouvant être montées avec un écartement l'une par rapport à l'autre dans un boítier de lampe (14) et présentant un élément de contact (58) qui peut être alimenté en haute-tension par une ligne de raccordement (56) ainsi qu'un corps isolant (60) qui porte l'élément de contact (58), caractérisé en ce que les culots (20) présentent respectivement un manchon isolant (28) enfermant de tous les côtés la fiche de contact (26) en laissant libre une ouverture de raccordement (46) latérale, et en ce que les éléments de contact (58) peuvent être mis en prise détachable à travers l'ouverture de raccordement (46) du culot (20) avec la fiche de contact (26) de celui-ci, les corps isolants (60) recouvrant les ouvertures de raccordement (46) à l'état de raccordement.
  2. Dispositif de raccordement selon la revendication 1, caractérisé en ce que les fiches de contact (26) peuvent être mises en contact ainsi qu'à nouveau être détachées sans outils, et ce radialement dans une direction d'assemblage s'étendant transversalement à l'axe longitudinal de la lampe (24) en établissant ainsi une liaison de serrage avec les éléments de contact (58).
  3. Dispositif de raccordement selon la revendication 1 ou 2, caractérisé en ce que les éléments de contact sont formés par un contact à ressort (58) en forme de U dont les branches de ressort (62), avec leurs faces de contact tournées l'une vers l'autre, peuvent être clipsées sous tension de ressort, sur la fiche de contact (26).
  4. Dispositif de raccordement selon la revendication 3, caractérisé en ce que les branches de ressort (62) du contact à ressort (58) présentent un segment de contact (64) reposant avec une périphérie partielle et avec toute sa surface contre la fiche de contact (26) et est replié en forme de cercle partiel, ainsi qu'un segment d'extrémité (66) replié vers l'extérieur en s'éloignant de la face de contact, la largeur intérieure de la fente d'insertion (68) délimitée par les segments d'extrémité (66) étant plus petite que le diamètre de la fiche de contact (26).
  5. Dispositif de raccordement selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élément de contact (58) peut être ancré au corps isolant (60) avec un élément de raccordement (78, 80) pouvant être en même temps relié à la ligne de raccordement (56).
  6. Dispositif de raccordement selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément de contact (58) est de préférence monté avec du jeu sur le corps isolant (60) via un élément de ressort.
  7. Dispositif de raccordement selon la revendication 5 ou 6, caractérisé en ce que l'élément de raccordement (78) est formé par un élément de noyau (78) disposé entre les branches de ressort (62) du contact à ressort (58), et une tige filetée (80) formée sur l'élément de noyau (78) et traversant le contact à ressort (58) sur sa base reliant les branches de ressort (62).
  8. Dispositif de raccordement selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le corps isolant (60) présente un élément de réception (70) développé en tant que profil en U ou en C, sur la surface intérieure (92) duquel l'élément de contact (58) est monté de manière saillante centralement.
  9. Dispositif de raccordement selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'élément de contact (58) est maintenu de manière antigiratoire dans un évidemment (76) du corps isolant (60).
  10. Dispositif de raccordement selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le corps isolant (60) présente une collerette (72) formée du côté frontal sur l'élément de réception (70) pour la fixation sur le boítier de la lampe (14).
  11. Dispositif de raccordement selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la fiche de contact (26) réalisée en tant que tige cylindrique creuse peut être mise en contact du côté interne avec un fil de sortie (30) de l'électrode de lampe (36) associée.
  12. Dispositif de raccordement selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'entre le manchon isolant (28) et la fiche de contact (26) qui y est disposée à l'intérieur de manière concentrique, un espace annulaire (48) est gardé libre pour la prise de l'élément de contact (58).
  13. Dispositif de raccordement selon l'une quelconque des revendications 1 à 12, caractérisé en ce que la fiche de contact (26) présente, sur son segment d'extrémité faisant face à la lampe à décharge (12), un épaulement (38) dépassant radialement et prenant appui contre le manchon isolant (28) du côté intérieur.
  14. Dispositif de raccordement selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le manchon isolant (28) présente un segment de support (40) réceptionnant l'extrémité de raccordement (16) de la lampe à décharge (12), de préférence colmaté moyennant une masse de mastic (42) en céramique, ainsi qu'un segment d'extrémité (44) libre conformé pour le logement de la fiche de contact (26) et pourvu de l'ouverture de raccordement (46).
  15. Dispositif de raccordement selon la revendication 14, caractérisé en ce que l'épaulement (38) de la fiche de contact (26) délimite l'espace intérieur du segment de support (40) du manchon isolant (28) du côté frontal.
  16. Dispositif de raccordement selon l'une quelconque des revendications 1 à 15, caractérisé en ce que la fiche de contact (26) est logée, avec son extrémité libre formée de préférence par un rebord de centrage (52) à section décroissante, dans un évidemment central (51) d'une face avant (50) formant l'extrémité frontale libre du manchon isolant (28).
  17. Dispositif de raccordement selon l'une quelconque des revendications 1 à 16, caractérisé en ce que le manchon isolant (28) présente une partie de paroi aplatie (90) qui jouxte l'ouverture de raccordement (46) et s'étend axialement par rapport à son extrémité du côté de la lampe, partie de paroi qui prend appui contre une surface plane (92) lui faisant face du corps isolant (60) à l'état de contact établi.
  18. Dispositif de raccordement selon l'une quelconque des revendications 1 à 17, caractérisé en ce que l'ouverture de raccordement (46), vue dans le sens périphérique du manchon isolant (28), présente un angle d'ouverture d'au moins 120°, et dans le sens axial du manchon isolant (28), une largeur d'ouverture d'au moins 5 mm, et de préférence de 10 mm.
  19. Dispositif de raccordement selon l'une quelconque des revendications 1 à 18, caractérisé en ce que le manchon isolant (28) et le corps isolant (60) consistent chacun en un élément formé d'une seule pièce en un matériau isolant électriquement, thermoconducteur et thermorésistant, de préférence un matériau à base de céramique.
  20. Dispositif de raccordement selon l'une quelconque des revendications 1 à 19, caractérisé en ce que l'élément de contact (58) et/ou la fiche de contact (26) soient en acier surfin ou cuivre, ou en un alliage de cuivre et de béryllium, et sont revêtus le cas échéant d'une couche de surface très électroconductrice et non oxydante, de préférence en or ou en argent.
  21. Lampe à décharge (12), en particulier lampe à vapeur de mercure à haute pression ou lampe à vapeur de mercure à moyenne pression pour l'utilisation dans un agrégat d'irradiation aux UV, avec un tuyau à décharge (18) en forme de tige avec culots des deux côtés, caractérisée par un dispositif de raccordement (10) selon l'une quelconque des revendications précédentes.
EP00969258A 1999-11-20 2000-09-16 Dispositif de raccordement destine a une lampe a decharge en forme de tige ayant deux extremites Expired - Lifetime EP1206791B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19955979 1999-11-20
DE19955979A DE19955979A1 (de) 1999-11-20 1999-11-20 Anschlußanordnung für eine stabförmige zweiendige Entladungslampe
PCT/EP2000/009064 WO2001039237A1 (fr) 1999-11-20 2000-09-16 Dispositif de raccordement destine a une lampe a decharge en forme de tige ayant deux extremites

Publications (2)

Publication Number Publication Date
EP1206791A1 EP1206791A1 (fr) 2002-05-22
EP1206791B1 true EP1206791B1 (fr) 2004-01-28

Family

ID=7929808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00969258A Expired - Lifetime EP1206791B1 (fr) 1999-11-20 2000-09-16 Dispositif de raccordement destine a une lampe a decharge en forme de tige ayant deux extremites

Country Status (5)

Country Link
US (1) US6946782B1 (fr)
EP (1) EP1206791B1 (fr)
AT (1) ATE258716T1 (fr)
DE (2) DE19955979A1 (fr)
WO (1) WO2001039237A1 (fr)

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EP1760395A1 (fr) * 2005-08-29 2007-03-07 J.S.T. Mfg. Co., Ltd. Structure de fixation d'un tube fluorescent

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Publication number Publication date
WO2001039237A1 (fr) 2001-05-31
ATE258716T1 (de) 2004-02-15
DE50005152D1 (de) 2004-03-04
DE19955979A1 (de) 2001-05-23
EP1206791A1 (fr) 2002-05-22
US6946782B1 (en) 2005-09-20

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