EP2127498B1 - Auswertevorrichtung für die zündenergie einer entladungslampe - Google Patents

Auswertevorrichtung für die zündenergie einer entladungslampe Download PDF

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Publication number
EP2127498B1
EP2127498B1 EP08716843A EP08716843A EP2127498B1 EP 2127498 B1 EP2127498 B1 EP 2127498B1 EP 08716843 A EP08716843 A EP 08716843A EP 08716843 A EP08716843 A EP 08716843A EP 2127498 B1 EP2127498 B1 EP 2127498B1
Authority
EP
European Patent Office
Prior art keywords
evaluation device
voltage
switch
signal
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.)
Not-in-force
Application number
EP08716843A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2127498A1 (de
Inventor
Ludger Wilken
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
Osram 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 Osram GmbH filed Critical Osram GmbH
Priority to PL08716843T priority Critical patent/PL2127498T3/pl
Publication of EP2127498A1 publication Critical patent/EP2127498A1/de
Application granted granted Critical
Publication of EP2127498B1 publication Critical patent/EP2127498B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • 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

Definitions

  • the invention relates to a device for evaluating the ignition energy of a discharge lamp from a signal which is proportional to the voltage applied to the discharge lamp and a signal which is proportional to the current flowing through the discharge lamp during the ignition process.
  • a starter is connected to discharge lamps, in particular high-pressure discharge lamps, for ignition, which generates one or a series of high-voltage pulses in order to ignite the discharge lamp.
  • the high voltage pulses must have a certain deviszündbeginnu U Z.
  • FIG. 1 shows the time dependent voltage U L (t) generated on a high pressure 400 W sodium vapor lamp with a first ignitor.
  • Fig. 2a represents the current and voltage curve of the discharge lamp and the cumulative energy introduced over a wide time range
  • the ignition voltage can also be used with a peak voltage detector in be measured in a simple and cost-effective manner.
  • FIG. 1 shows the time dependent voltage U L (t) generated on a high pressure 400 W sodium vapor lamp with a first ignitor.
  • Fig. 2a represents the current and voltage curve of the discharge lamp and the cumulative energy introduced over a wide time range
  • FIG. 2b is shown
  • a peak voltage detector is shown for the evaluation of the positive maximum value of the voltage.
  • An analogue-to-digital converter is used for measuring the measurement. If the peak values of each pulse are to be measured for repetitive pulses, it is necessary to recharge the capacitor between the individual pulses, which can be done for example by a high-impedance resistor.
  • the knife detection system must also have a sufficiently large acquisition rate. It is possible to use the signals of the peak voltage detector to control an igniter.
  • the energy can be used, which is coupled into the discharge during the voltage breakdown.
  • the oscilloscope together with the voltage, measures a signal that is proportional to the current.
  • I L (t) the current flowing through the lamp current I L (t), in which the displacement current has been compensated, also registered.
  • This evaluation device should be suitable that it can be integrated in electronic ballasts or ignitors.
  • the object of the invention is to provide a device that meets these requirements.
  • the device consists of a voltage measuring circuit (1), a current measuring circuit (2) and an evaluation circuit (4).
  • the evaluation circuit the current and voltage signals are multiplied together, and the resulting power signal is then integrated to obtain a measure of the ignition energy.
  • This voltage which represents the ignition energy, is measured by a fast analog-to-digital converter.
  • Fig. 4 shows the structure of the evaluation device according to the invention.
  • the mains voltage is connected to the discharge lamp via a choke (D) and an ignition device (ZG).
  • a suitable voltage divider (1) a signal voltage U U is generated.
  • a suitable current-voltage converter (2) preferably in the recirculating Line is looped, a signal U I is generated in proportion to the current flowing through the lamp.
  • the voltage U U and the current signal U I are connected together with a voltage supply U S to the energy evaluation device (4).
  • the voltage signal is connected to an amplifier which drives the input of the threshold detector and the multiplier with a sufficient bandwidth.
  • the threshold detector or comparator provides a signal when the applied voltage exceeds a certain threshold.
  • the threshold value can be set by means of an adjustable resistor.
  • the threshold detector gives the state to a logic board.
  • the current signal At the input of the multiplier along with the increased voltage signal U U U I is the current signal connected.
  • the output is connected to a load resistor and connected via a fast switch and a resistor to an integration capacitor.
  • the logic board after the voltage has exceeded a threshold, turns the fast switch on and off again after a specified time. During this time, the applied power signal is integrated, so that a signal U EZ proportional to the ignition energy is applied to the integration capacitor.
  • This signal can be measured by a voltmeter. Since ignitors usually generate a train of pulses with pulse intervals, it is necessary to measure the energies of the individual pulses to use a measuring system that has a sufficiently large Has collection rate.
  • the integration capacitor must also be reset, which can be realized by a short-circuit switch.
  • This switch may receive its drive signal from the logic board or from the blade detection system.
  • the logic subassembly gives a signal with a short time duration to this short-circuit switch after a defined time after which the voltage has exceeded the threshold value.
  • This device works independently and can be set up as a separate working system. It is also possible to integrate this evaluation device in an ignitor or in an electronic ballast. For these applications, it is necessary to adapt the times of the logic module to the requirements.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
EP08716843A 2007-03-01 2008-02-14 Auswertevorrichtung für die zündenergie einer entladungslampe Not-in-force EP2127498B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08716843T PL2127498T3 (pl) 2007-03-01 2008-02-14 Urządzenie analizujące energię zapłonu lampy wyładowczej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007003032U DE202007003032U1 (de) 2007-03-01 2007-03-01 Auswertevorrichtung für die Zündenergie einer Entladungslampe
PCT/EP2008/051773 WO2008104461A1 (de) 2007-03-01 2008-02-14 Auswertevorrichtung für die zündenergie einer entladungslampe

Publications (2)

Publication Number Publication Date
EP2127498A1 EP2127498A1 (de) 2009-12-02
EP2127498B1 true EP2127498B1 (de) 2012-05-30

Family

ID=38268558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08716843A Not-in-force EP2127498B1 (de) 2007-03-01 2008-02-14 Auswertevorrichtung für die zündenergie einer entladungslampe

Country Status (7)

Country Link
US (1) US8278836B2 (https=)
EP (1) EP2127498B1 (https=)
JP (1) JP2010520583A (https=)
CN (1) CN101584251B (https=)
DE (1) DE202007003032U1 (https=)
PL (1) PL2127498T3 (https=)
WO (1) WO2008104461A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2713563A1 (en) * 2008-01-28 2009-08-06 Panasonic Electric Works Co., Ltd. High pressure discharge lamp lighting device and lighting fixture using the same
JP2009238382A (ja) * 2008-03-25 2009-10-15 Panasonic Electric Works Co Ltd 高圧放電灯点灯装置、照明器具
US9167675B2 (en) * 2012-06-22 2015-10-20 Sergio Alejandro Ortiz-Gavin High frequency programmable pulse generator lighting apparatus, systems and methods

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3244859B2 (ja) * 1993-04-12 2002-01-07 池田デンソー株式会社 放電灯点灯装置
JPH0794292A (ja) * 1993-09-27 1995-04-07 Matsushita Electric Works Ltd 放電灯点灯装置
JPH07220887A (ja) 1994-01-28 1995-08-18 Eye Lighting Syst Corp 放電灯点灯装置
DE4421736C2 (de) * 1994-06-22 1998-06-18 Wolfgang Nuetzel Steuerbare Lichtanlage
DE19819510B4 (de) 1997-04-30 2009-04-16 Toshiba Lighting & Technology Corp. Schaltungsanordnung zum Zünden und Betreiben einer Entladungslampe
US5969482A (en) * 1998-11-30 1999-10-19 Philips Electronics North America Corporation Circuit arrangement for operating a discharge lamp including real power sensing using a single quadrant multiplier
GB2352342B (en) * 1999-04-06 2003-09-10 Zetex Plc Discharge lamp driver circuit
JP3890885B2 (ja) * 2000-12-15 2007-03-07 松下電工株式会社 放電灯点灯装置
US6624600B1 (en) * 2002-03-13 2003-09-23 Nicollet Technologies Corporation Lamp power measurement circuit
JP4062980B2 (ja) * 2002-06-10 2008-03-19 岩崎電気株式会社 高圧放電ランプ装置
JP4066758B2 (ja) * 2002-09-25 2008-03-26 松下電工株式会社 放電ランプ点灯装置
JP4308603B2 (ja) * 2003-08-13 2009-08-05 株式会社小糸製作所 放電灯点灯回路
JP2005093138A (ja) 2003-09-12 2005-04-07 Matsushita Electric Works Ltd 高圧放電灯点灯装置及びこれを用いた照明器具
EP1740022A4 (en) * 2004-04-23 2012-11-07 Panasonic Corp DISCHARGE LAMP OPERATING DEVICE, LIGHTING DEVICE AND LIGHTING SYSTEM
JP2006072817A (ja) 2004-09-03 2006-03-16 Koito Mfg Co Ltd ピーク検出回路及び放電灯点灯装置
DE102004045834A1 (de) * 2004-09-22 2006-03-23 Bag Electronics Gmbh Zündgerät
DE102004051536A1 (de) * 2004-10-21 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampenbetriebsschaltung und Betriebsverfahren für eine Lampe mit Wirkstrommessung
US20090146580A1 (en) * 2004-11-24 2009-06-11 Koninklijke Philips Electronics, N.V. High intensity discharge lamp driver with voltage feedback controller
US7271365B2 (en) * 2005-04-11 2007-09-18 Lincoln Global, Inc. System and method for pulse welding
DE102005045569A1 (de) * 2005-05-31 2006-12-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ladevorrichtung für einen Ladekondensator, insbesondere zur Speisung von Entladungslampen

Also Published As

Publication number Publication date
CN101584251B (zh) 2013-06-05
PL2127498T3 (pl) 2012-10-31
US8278836B2 (en) 2012-10-02
WO2008104461A1 (de) 2008-09-04
US20100097011A1 (en) 2010-04-22
CN101584251A (zh) 2009-11-18
EP2127498A1 (de) 2009-12-02
DE202007003032U1 (de) 2007-06-28
JP2010520583A (ja) 2010-06-10

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