EP1736038B1 - Schaltungsanordnung und verfahren zum zünden einer gasentladungslampe mit zeitbegrenzter startphase - Google Patents

Schaltungsanordnung und verfahren zum zünden einer gasentladungslampe mit zeitbegrenzter startphase Download PDF

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Publication number
EP1736038B1
EP1736038B1 EP05707148A EP05707148A EP1736038B1 EP 1736038 B1 EP1736038 B1 EP 1736038B1 EP 05707148 A EP05707148 A EP 05707148A EP 05707148 A EP05707148 A EP 05707148A EP 1736038 B1 EP1736038 B1 EP 1736038B1
Authority
EP
European Patent Office
Prior art keywords
lamp
circuitry arrangement
ignition time
information
last
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
EP05707148A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1736038A1 (de
Inventor
Roman Ploner
Kai Arbinger
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.)
Tridonicatco GmbH and Co KG
Original Assignee
Tridonicatco GmbH and Co KG
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 Tridonicatco GmbH and Co KG filed Critical Tridonicatco GmbH and Co KG
Publication of EP1736038A1 publication Critical patent/EP1736038A1/de
Application granted granted Critical
Publication of EP1736038B1 publication Critical patent/EP1736038B1/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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • 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
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2925—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection

Definitions

  • the present invention relates to a circuit arrangement for igniting a gas discharge lamp according to the preamble of claim 1.
  • the starting point of the present invention is a ballast, as for example from the EP 847 680 A1 the applicant is known.
  • This known ballast has a so-called intelligent timer, which monitors the process of lamp start and lamp ignition.
  • the timer monitors the startup process of the lamp.
  • a fixed total ignition time for example, 20 minutes is given. If this Alterzündzeit expire unsuccessful, ie, should it not be possible within the 20 minutes, the gas discharge lamp to ignite successfully, further ignition operations are aborted and the entire circuit switches to a so-called.
  • SLEEP mode in which the lamp is not controlled becomes. However, after performing a reset, which can be triggered in particular by switching the power supply voltage off and on again, a new lamp startup occurs automatically.
  • Canceling further ignition attempts at the end of the total ignition time has the advantage that the gas discharge lamp and other electronic components of the circuit are not additionally damaged by further permanent ignition attempts.
  • this measure leads to economic advantages, since ultimately energy is saved by avoiding further ignition attempts.
  • the present invention is based on the object, starting from the known ballast to make further improvements by which an optimized lamp start can be performed.
  • the circuit arrangement changes to unsuccessful expiration of Intelzündzeit in a SLEEP mode, so no further ignition attempts.
  • the information that the lamp start was unsuccessful is stored in a memory element.
  • the storage can take place in software as well as in hardware.
  • the circuit arrangement is then provided with this information, for example, so that it can react to it in a suitable manner.
  • the information that the last lamp start was unsuccessful can be used in different ways.
  • the circuit arrangement has a display element-for example in the form of an LED-which displays the information that the last attempt to start was unsuccessful and the circuit arrangement is therefore in SLEEP mode to the outside. For an electrician is thus easily recognizable on which ballasts a lamp replacement is required.
  • the total ignition time is reduced in the event that the last lamp start was unsuccessful.
  • the total ignition time is chosen such that a proper lamp can be safely ignited. For example, it would be conceivable to select a period of 10 seconds as the shortened total ignition time.
  • the circuit then prematurely returns to the SLEEP mode, since the unsuccessful attempts to ignore suggest that the defective lamp has not yet been replaced.
  • the advantage of the procedure according to the invention is that, when the power supply voltage is switched on again, a possibly defective lamp is only activated for a relatively short period of time, so that on the one hand energy is saved and on the other hand additional damage to the lamp and the components connected to the lamp can be avoided by the high-voltage ignition pulses. At the same time the period is sufficiently long, so that a new and proper lamp can be fired with certainty. The reliability is thus further increased with improved energy savings.
  • Fig. 1 shows an electronic ballast provided generally with the reference numeral 1, which is designed for driving and operating a gas discharge lamp LA.
  • the ballast 1 connections for connection to the general power supply, at the output of the ballast 1 is an inventively ausgestaltetes ignitor 3, which is responsible for the implementation of the lamp start and for the ignition of the gas discharge lamp LA.
  • the general operation of the ballast 1 is monitored by a control unit 2, which is in communication with the ignitor 3.
  • a control unit 2 which is in communication with the ignitor 3.
  • the other components of the ballast 1 which are provided for example for the implementation of the mains supply voltage U 0 in a voltage required for lamp operation, was omitted for reasons of simplicity. The design and functions of these components are already well known and need not be explained in detail here.
  • the ignitor 3 is configured to perform a lamp start on a command of the control unit 2 and in particular to ignite the lamp LA. Depending on the type of lamp, in this case first the lamp filaments must be heated before the lamp LA is then ignited by the application of high voltage pulses.
  • a functioning, as new lamp can usually be ignited within a very short period of time. This period is, for example, 10 to 15 seconds, in which a lamp can also be fired in the context of a so-called cold start, in which therefore no preheating of the lamp filaments. elder Lamps, however, can not be ignited immediately due to wear and tear sometimes, so that sometimes several ignition attempts are required until the lamp is finally successfully started.
  • the ignitor 3 has a timer circuit 4, whose task is the duration of the start - / Ignition phase to monitor. Usually, it is provided that after starting the start attempt for a maximum of 20 minutes trying to ignite the gas discharge lamp LA. However, if no ignition can be carried out within this so-called Intelzündzeit, the timer circuit 4 tells the ignitor 3 that the Intelzündzeit has expired. The igniter 3 then waives further start attempts and goes into a SLEEP mode. In this SLEEP mode, in which also the control unit 2 and the other components of the electronic ballast 1 are added, only a minimal power consumption takes place, so that ultimately energy is saved.
  • the invention provides that the ignitor 3 additionally has a memory element 5, in which the information is stored, whether the last attempt to start was successful or not.
  • the memory element 5 can be both a software configured element and an element which stores the information in terms of hardware.
  • the information contained in the memory element 5 can then be used in various ways.
  • the information in the memory element ie the information as to whether the last lamp start was successful or not, is displayed externally, so that it is easily recognizable to a service person whether a lamp replacement must be performed or not .
  • a display element in the form of an LED 6 is provided for this purpose, which is arranged on the housing outside of the ballast 1 and is in communication with the ignitor 3. If the memory element 5 indicates that the last lamp start was unsuccessful, this is indicated by the LED 6. An electrician can now easily recognize that the lamp LA is in all likelihood defective and should be replaced accordingly.
  • a particularly advantageous possibility for utilizing the information contained in the memory element 5 is to select the total ignition time to be determined when the lamp starts again as a function of this information.
  • a period of 20 minutes is usually set for carrying out the lamp start. If, however, a reset of the power supply voltage is carried out and the information in the memory element indicates that the last lamp start was unsuccessful, there are two possibilities. On the one hand, the reset could have been carried out inadvertently without first exchanging the defective lamp LA. In that case, it would be useless to try to start the LA lamp for another 20-minute period. In addition, this would also be an unnecessary energy consumption. However, if the LA lamp has been replaced with a new one, a total ignition time of 20 minutes is too long, as it can be assumed that a new lamp can be started within a much shorter period of time.
  • the total ignition time is determined as a function of the information contained in the memory element 5. If the memory element 5 indicates that the last lamp start was successful, a total ignition time of, for example, 20 minutes is set in the usual way. However, if the so-called start-stop marker has been set, ie if the memory element 5 indicates that the last lamp start was unsuccessful, then a significantly shortened total ignition time is determined when restarting. Preferably, this could be set for a period of 10 to 15 seconds, which is certainly sufficient on the one hand to ignite a new lamp LA, on the On the other hand, it is also short enough to avoid unnecessary energy consumption when attempting to start a defective lamp.
  • the procedure according to the invention is shown schematically in FIG Fig. 2 summarized.
  • the first step after the start 10, ie the commissioning of the lamp is to delete the memory contents as a default setting (step 11). It is therefore assumed that at the beginning of a functioning lamp is present.
  • the ballast By switching on the power supply (step 12) the ballast is now informed that a lamp start is to be performed.
  • the total ignition time is then determined on the basis of the information contained in the memory element 5. As previously explained, in the event that the last lamp start was successful or the start abort flag is cleared, a long total ignition time is selected, whereas if the last lamp start was unsuccessful and the start abort flag is set accordingly is, a short total ignition time is set.
  • step 14 a lamp start with possibly several ignition attempts is now carried out, wherein within the period ofPolzündzeit permanently monitored in step 15, whether the lamp was ignited or not. If this is the case, then the normal lamp operation is changed (step 16). At the same time a possibly set start-stop marker in the memory element 5 is deleted, which is equivalent to the fact that at the next start is changed to a long ignition time, that is set at a renewed lamp start the longer period.
  • step 17 the start-stop marker is set in the memory element 5, which means that a short ignition time is selected for a new start attempt.
  • a reset which automatically initiates a new lamp start, now takes place in that first the power supply is switched off (step 18).
  • a reconnection of the power supply is then detected by the ballast and interpreted as a start signal, in which case the lamp start is performed again starting with step 12 and possibly with a changed Intelzündzeit.
  • the solution according to the invention thus ensures that unnecessary attempts to start a defective lamp are avoided. In addition to energy savings, this may possibly damage be avoided.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP05707148A 2004-04-15 2005-02-02 Schaltungsanordnung und verfahren zum zünden einer gasentladungslampe mit zeitbegrenzter startphase Not-in-force EP1736038B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004018345A DE102004018345A1 (de) 2004-04-15 2004-04-15 Schaltungsanordnung und Verfahren zum Zünden einer Gasentladungslampe mit zeitbegrenzter Startphase
PCT/EP2005/001035 WO2005109965A1 (de) 2004-04-15 2005-02-02 Schaltungsanordnung und verfahren zum zünden einer gasentladungslampe mit zeitbegrenzter startphase

Publications (2)

Publication Number Publication Date
EP1736038A1 EP1736038A1 (de) 2006-12-27
EP1736038B1 true EP1736038B1 (de) 2008-04-16

Family

ID=34960753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05707148A Not-in-force EP1736038B1 (de) 2004-04-15 2005-02-02 Schaltungsanordnung und verfahren zum zünden einer gasentladungslampe mit zeitbegrenzter startphase

Country Status (6)

Country Link
EP (1) EP1736038B1 (zh)
CN (1) CN1943283B (zh)
AT (1) ATE392793T1 (zh)
DE (2) DE102004018345A1 (zh)
ES (1) ES2304687T3 (zh)
WO (1) WO2005109965A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018296A1 (de) * 2006-04-20 2007-10-25 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Anordnung und Verfahren zum Betreiben einer Hochdruck-Entladungslampe
WO2009019647A1 (en) * 2007-08-07 2009-02-12 Koninklijke Philips Electronics N.V. Control of ignition of a gas discharge lamp
WO2009115983A1 (en) * 2008-03-19 2009-09-24 Koninklijke Philips Electronics N.V. End-of-life protection circuit for high-intensity discharge lamp
JP4973672B2 (ja) * 2009-02-16 2012-07-11 セイコーエプソン株式会社 放電灯の駆動装置および駆動方法、光源装置、プロジェクター

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4949018A (en) * 1987-11-06 1990-08-14 Unicorn Electric Products High pressure sodium lamp starter controller
US5103137A (en) * 1990-04-02 1992-04-07 Multipoint Control Systems, Inc. Anti-cycling device for high pressure sodium lamps
ATE194749T1 (de) * 1994-04-15 2000-07-15 Knobel Lichttech Vorschaltgerät mit lampenwechselerkennung für entladungslampen
DE19531623B4 (de) * 1995-08-28 2010-09-23 Tridonicatco Gmbh & Co. Kg Verfahren und Schaltungsanordnung zum Zünden einer Hochdruck-Gasentladungslampe
US5801494A (en) * 1996-05-21 1998-09-01 Cooper Industries, Inc. Rapid restrike with integral cutout timer
IL123029A (en) * 1998-01-22 2003-02-12 Jbp Technologies Ltd Method and device for operating electronic ballasts for high intensity discharge (hid) lamps
EP1227706B1 (en) * 2001-01-24 2012-11-28 City University of Hong Kong Novel circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps

Also Published As

Publication number Publication date
ES2304687T3 (es) 2008-10-16
ATE392793T1 (de) 2008-05-15
DE502005003745D1 (de) 2008-05-29
CN1943283A (zh) 2007-04-04
CN1943283B (zh) 2010-09-22
DE102004018345A1 (de) 2005-11-03
EP1736038A1 (de) 2006-12-27
WO2005109965A1 (de) 2005-11-17

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