EP0933974B1 - Zuendvorrichtung für eine Entladungslampe - Google Patents

Zuendvorrichtung für eine Entladungslampe Download PDF

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Publication number
EP0933974B1
EP0933974B1 EP98122859A EP98122859A EP0933974B1 EP 0933974 B1 EP0933974 B1 EP 0933974B1 EP 98122859 A EP98122859 A EP 98122859A EP 98122859 A EP98122859 A EP 98122859A EP 0933974 B1 EP0933974 B1 EP 0933974B1
Authority
EP
European Patent Office
Prior art keywords
ignition apparatus
electrical connection
ignition
capacitor
discharge 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
EP98122859A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0933974A1 (de
Inventor
Günther Hirschmann
Jürgen Becker
Gerhard Behr
Christian Wittig
Peter Helbig
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 EP0933974A1 publication Critical patent/EP0933974A1/de
Application granted granted Critical
Publication of EP0933974B1 publication Critical patent/EP0933974B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors

Definitions

  • the invention relates to an ignition device for a discharge lamp the preamble of claim 1 and a discharge lamp with such an ignition device.
  • the invention relates to an ignition device for a high-pressure discharge lamp, for example in a motor vehicle headlight is used.
  • the ignition device is part of an operating device this high pressure discharge lamp. It generates when the lamp is switched on at the lamp electrodes high voltage pulses of more than 20 kV in order initiate a gas discharge in the high-pressure discharge lamp.
  • This ignition device is a pulse ignition device for a high-pressure discharge lamp.
  • the pulse ignition device has an ignition transformer with a primary and a secondary winding, an ignition capacitor, a resistance element, through which the ignition capacitor is charged, and an automatic Switch on.
  • the secondary winding is connected to one of the gas discharge electrodes connected to the high pressure discharge lamp while you another connection is connected to the voltage input of the ignition device is.
  • the primary winding of the ignition transformer and the switching path of the automatic switch are arranged so that they are from the discharge current of the ignition capacitor.
  • German patent application DE 196 10 385 describes a discharge lamp, in particular a high-pressure discharge lamp for use in a motor vehicle headlight, with a ballast housed in the lamp base, the has an ignition device.
  • German laid-open specification DE 43 33 886 A1 discloses an ignition device with an ignition transformer, the primary winding as a conductor on a circuit board and its secondary winding arranged in a recess in the circuit board is. There is also an ignition capacitor and a switching element on the circuit board attached.
  • German laid-open specification DE 196 10 388 A1 describes an ignition device for a discharge lamp with a Tesla transformer and a capacitive Component.
  • the secondary winding of the transformer is on a winding body arranged and surrounded by the primary winding.
  • the capacitive component is embedded in the dielectric material of the winding body.
  • German published patent application DE 195 21 070 A1 discloses a high-voltage transformer with a primary winding, a secondary winding and one Base plate.
  • the primary winding is designed as an electrically conductive holder that the secondary winding encloses and is attached to the base plate.
  • the ignition device has a voltage input for the voltage supply the ignition device, a ignition voltage output, a capacitor with at least a first and a second electrical connection, one automatic switch with at least a first and a second electrical Connection, a transformer that has at least one primary winding and at least has a secondary winding and one as a metal plate or as a sheet metal strip trained plate on which at least the capacitor and the automatic switch are attached, with at least a first electrical connection of the capacitor and at least a first electrical connection of the automatic switch to the plate are electrically connected.
  • the use of as a metal plate or as Sheet metal formed plate allows the capacitor and the automatic Train switch of the ignition device as a prefabricated unit and for example in the lamp base to assemble. Since the plate as a metal plate or as a sheet metal strip is formed, the plate not only serves to hold the capacitor and the automatic Switch, but also provides an electrical contact between these components.
  • the plate is designed as a metal plate or as a sheet metal strip, because metal plates and metal strips are good electrical ones Conductivity and on the other hand sufficient stability to fix the Own capacitor and the automatic switch and almost any can be shaped.
  • This plate is advantageously with at least an electrical connection to the electronic arranged on it To supply components with electrical energy. Also points the plate advantageously one or more curved or arched Sections on. This allows the plate and the attached to it electronic components existing unit of the ignition device to different designed cavities are adapted.
  • the plate is, for example, an embodiment of the invention Ring segment shaped around them together with the condenser attached and the automatic switch into a cylindrical cavity To accommodate lamp bases.
  • the ignition device according to the invention also advantageously has first connection means on the at least one second electrical Connection of the capacitor is attached and for electrical as well mechanical connection of the capacitor to a component of the ignition device, for example with the transformer. Also owns the ignition device according to the invention advantageously a second connecting means, that at the at least one second electrical connection of the automatic switch is fixed and for electrical and mechanical Connection of the automatic switch to a component of the ignition device, for example with the transformer.
  • the first or second connecting means or both are advantageous than with one electrical connection provided sheet metal strips or as power supply wires trained, the shape of the given spatial conditions can be adapted in the lamp base or in the control gear housing.
  • these sheet metal strips or power supply wires advantageously have one or more U-shaped sections that act as strain relief serve the mechanical caused by their thermal expansion Reduce tensions. This measure is special of importance if the ignition device is of an electrically insulating, curable potting compound is surrounded.
  • the ignition device according to the invention is advantageously in the lamp base a discharge lamp, which is equipped with a discharge vessel, a lamp base and means for gas discharge within of the discharge vessel is equipped. Lets be particularly advantageous the ignition device according to the invention one-sided in the base socketed high-pressure discharge lamp for a motor vehicle headlight deploy.
  • the preferred embodiment of the invention is a pulse ignition device for a high-pressure discharge lamp with a Power consumption of approximately 35 W, for example in a motor vehicle headlight is used.
  • This ignition device ( Figure 3) has one Transformer TR with two primary windings N1, N2 connected in parallel and a secondary winding inductively coupled to both primary windings N3, an automatic switch designed as a spark gap F1, an ignition capacitor C1, another capacitor C2, two chokes L1, L2, a DC voltage input J1, J2 or J3 and an ignition voltage output J4, J5.
  • the ignition capacitor C1 and the spark gap F1 are attached to a metal plate 1 shaped as a ring segment with which they form a prefabricated unit.
  • the metal plate 1 as an electrical connection serves.
  • the first metal strip 2 is through one or more Spot welds 6 with the second electrical connection of the ignition capacitor C1 connected.
  • the second metal strip 3 is by one or more Spot welds 6 with the second electrical connection of the spark gap F1 connected.
  • FIG. 1 shows a top view in a schematic representation on this prefabricated unit of the ignition device according to the preferred Embodiment.
  • the electrical connection (not shown) the metal strip 2, 3 is, for example, as a clamp or as a plug-in device or also formed as a soldering or welding contact.
  • FIG. 2 shows a high-pressure discharge lamp with a base on one side an ignition device according to the preferred embodiment described above.
  • the high-pressure discharge lamp has a lamp base 10 made of plastic and a discharge vessel 11 with a near the base and an end remote from the base, and an end surrounding the discharge vessel 11 Outer bulbs 12, which are anchored in the lamp base 10.
  • two gas discharge electrodes 13, 14 are arranged, via a socket near the socket 15 or a socket remote from the socket 16 are supplied with electrical energy.
  • the components of the Ignition device are housed in the interior of the lamp base 10.
  • the transformer TR is designed as a toroidal transformer and inside of the lamp base 10 arranged coaxially to the two lamp vessels 11, 12.
  • the wire 4 is welded to the metal plate 1 with an electrical contact 17 on the inner wall of the lamp base 10 connected.
  • the one on the first metal strip 2 (not shown in FIG. 2) attached electrical connection is with the winding start of the primary windings N1, N2 of the transformer TR connected.
  • the one on the second sheet metal strip 3 (not shown in Figure 2) attached electrical Connection is with the winding end of the primary windings N1, N2 of the Transformer TR connected.
  • FIG. 3 shows a circuit diagram of the ignition device according to the preferred one Embodiment.
  • the ignition device has three DC voltage inputs J1 (for -400V supply voltage), J2 (for + 600V supply voltage), J3 (is at ground potential), of which two are optionally used become.
  • the DC voltage input J1 is above the junction points V3, V1 connected to the second terminal of the ignition capacitor C1.
  • the first connection of the ignition capacitor C1 (68nF; 1000V) is with the DC voltage input J2 and through the metal plate 1 with the first Connection of the spark gap F1 connected.
  • the branch point V3 is via the secondary winding N3 of the transformer TR and the downstream one Choke L1 connected to the ignition voltage output J4.
  • the Branch point V1 is parallel to the start of the winding of the two switched primary windings N1, N2 connected.
  • the winding end of the two primary windings N1, N2 is via the branch point V2 with connected to the second connection of the spark gap F1.
  • the DC voltage input J3 is via the throttle L2 with the ignition voltage output J5 connected.
  • the ignition device also has a further capacitor C2 (4.7nF; 1000V), its first connection with the DC voltage input J1 and its second terminal connected to the DC voltage input J3 is.
  • the chokes L1, L2 and the additional capacitor C2 are also in provided chambers or recesses in the interior of the lamp base 10 housed.
  • the additional capacitor C2 or the chokes L1, L2 are fixed on the metal plate 1.
  • the first 2 and the second metal strip 3 can also be used as connecting means Power supply wires, for example, via terminals with the primary windings N1, N2 are used.
  • the one on the metal plate 1 arranged components can by means of different connection techniques be fixed to the metal plate 1, for example by means of soldering, High frequency soldering, high frequency welding, laser welding, ultrasonic welding, Spot welding or by means of mechanical connection techniques such as clamping or plugging.
  • the components of the ignition device in particular the ignition capacitor C1 and the spark gap F1 can can be processed with or without connecting wires.
  • the ignition capacitor C1 or the spark gap are SMD components (Surface Mounted Device).
  • a metal plate 1 can a sheet metal strip can also be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
EP98122859A 1998-01-28 1998-12-02 Zuendvorrichtung für eine Entladungslampe Expired - Lifetime EP0933974B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803139A DE19803139A1 (de) 1998-01-28 1998-01-28 Zündvorrichtung für eine Entladungslampe
DE19803139 1998-01-28

Publications (2)

Publication Number Publication Date
EP0933974A1 EP0933974A1 (de) 1999-08-04
EP0933974B1 true EP0933974B1 (de) 2001-07-25

Family

ID=7855850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98122859A Expired - Lifetime EP0933974B1 (de) 1998-01-28 1998-12-02 Zuendvorrichtung für eine Entladungslampe

Country Status (9)

Country Link
US (1) US6049172A (es)
EP (1) EP0933974B1 (es)
JP (1) JP4283363B2 (es)
KR (1) KR100596949B1 (es)
AT (1) ATE203643T1 (es)
CA (1) CA2255098A1 (es)
DE (2) DE19803139A1 (es)
ES (1) ES2161012T3 (es)
HU (1) HUP0000773A3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939310C2 (de) * 1999-08-19 2001-06-13 Vogt Electronic Ag Hochspannungszündmodul
JP3760074B2 (ja) * 2000-01-17 2006-03-29 株式会社小糸製作所 放電灯点灯回路
DE10143714C1 (de) * 2001-08-30 2002-12-19 Siemens Ag Lampe mit einem Lampenkörper und außen an diesem entlang geführter Leitungszuführung sowie Verfahren zu deren Herstellung
US6597128B2 (en) 2001-10-03 2003-07-22 Hubbell Incorporated Remote discharge lamp ignition circuitry
CN102227955A (zh) 2008-11-28 2011-10-26 欧司朗有限公司 集成的气体放电灯，具有集成到底座中的用于产生不对称点火脉冲的点火电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2245568C2 (de) * 1972-09-16 1974-08-01 Faller Ohg Selbsttätiges Steuergerät für die Außenbeleuchtungsanlage von Fahrzeugen
JPH01294349A (ja) * 1988-05-23 1989-11-28 Iwasaki Electric Co Ltd 金属蒸気放電灯
US4975624A (en) * 1988-06-15 1990-12-04 General Electric Company Spark gap device particularly suited for a rapid restrike circuit for metal halide lamps
EP0521557A3 (en) * 1991-07-02 1993-02-10 N.V. Philips' Gloeilampenfabrieken High-pressure discharge lamp
DE4131528A1 (de) * 1991-09-21 1993-03-25 Hella Kg Hueck & Co Vorschaltgeraet zum starten und betreiben von hochdruck-gasentladungslampen
DE69227573T2 (de) * 1991-11-28 1999-04-08 Ngk Spark Plug Co Spannungstester für Zündkerzen in einer Brennkraftmaschine
JPH06196336A (ja) * 1991-11-29 1994-07-15 Matsushita Electric Works Ltd 高圧パルストランス
DE4333886A1 (de) * 1993-10-05 1995-04-06 Hella Kg Hueck & Co Zündtransformator für eine Gasentladungslampe
DE4333866A1 (de) * 1993-10-05 1995-04-06 Helge Ernst Elektromechanisch angetriebener Bewegungs- und Gehmechanismus als Basis für die Herstellung gehfähiger, menschen- und tierähnlicher Nachbildungen
JPH08130127A (ja) * 1994-06-15 1996-05-21 Nippondenso Co Ltd 高圧トランス及び放電灯回路
WO1997004624A1 (en) * 1995-07-17 1997-02-06 Philips Electronics N.V. Circuit arrangement
DE19610385A1 (de) * 1996-03-16 1997-09-18 Bosch Gmbh Robert Gasentladungslampe, insbesondere für Kraftfahrzeug-Scheinwerfer
DE19610388A1 (de) * 1996-03-16 1997-09-18 Bosch Gmbh Robert Zündeinrichtung für eine Entladungslampe
DE19644115A1 (de) * 1996-10-23 1998-04-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum Betrieb einer Hochdruckentladungslampe sowie Beleuchtungssystem mit einer Hochdruckentladungslampe und einem Betriebsgerät für die Hochdruckentladungslampe

Also Published As

Publication number Publication date
KR100596949B1 (ko) 2006-07-07
DE19803139A1 (de) 1999-07-29
ATE203643T1 (de) 2001-08-15
HUP0000773A3 (en) 2000-08-28
JP4283363B2 (ja) 2009-06-24
KR19990068158A (ko) 1999-08-25
DE59801077D1 (de) 2001-08-30
ES2161012T3 (es) 2001-11-16
JPH11260575A (ja) 1999-09-24
US6049172A (en) 2000-04-11
EP0933974A1 (de) 1999-08-04
HUP0000773A2 (en) 2000-07-28
CA2255098A1 (en) 1999-07-28

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