EP1494508A2 - Universelles Zündgerät - Google Patents
Universelles Zündgerät Download PDFInfo
- Publication number
- EP1494508A2 EP1494508A2 EP04012534A EP04012534A EP1494508A2 EP 1494508 A2 EP1494508 A2 EP 1494508A2 EP 04012534 A EP04012534 A EP 04012534A EP 04012534 A EP04012534 A EP 04012534A EP 1494508 A2 EP1494508 A2 EP 1494508A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ignition
- gas discharge
- control circuit
- waiting time
- ignitor
- 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.)
- Granted
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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
Definitions
- the invention relates to an ignitor for high-pressure gas discharge lamps and a method of igniting high pressure gas discharge lamps.
- ballast high-pressure gas discharge lamps in use with magnetic Ballasts, so-called ballast, operated become. Between choke and lamp is a separate ignitor switched on, that after switching so long high-voltage pulses generated and delivered to the lamp until it ignites.
- This basic concept is with both sodium vapor lamps and also with metal halide lamps and other gas discharge lamps encountered. However, these lamps have both Ignition and especially during reignition (hot ignition) different characteristics. While sodium vapor lamps after about a minute cooling time relatively well re-ignite, other lamps, e.g. Metal halide lamps with ceramic burner, so-called ceramic burner lamps in Use that requires cooling times of up to 15 minutes.
- ballast is known from US-PS 4,896,077 become that monitors the lamp voltage and turns off, if a too high burning voltage is discovered.
- EP 0 847 680 B1 deals only with the problem the shutdown of a lamp at the end of its life.
- the number of Counted lamp ignitions and switched off the ignition circuit if the lamp after a predetermined number of lamp ignitions again inadvertently switches off.
- EP 1 196 012 A2 is an ignitor for gas discharge lamps known, which contains a programmable controller. This unit allows adjustment of the pulse size, the duration and frequency of the firing pulses according to the lamp specifications.
- the ignition device has a control circuit with a detection device that detects thermal ignition processes and distinguishes them from a cold-ignition process.
- Warmzündvor réelle are also referred to here as "re-ignition”. Accordingly, the control circuit is in this case in a re-ignition mode or synonymously in a warm-ignition mode.
- the detection device detects cold ignition processes (Erstzündvor réelle).
- the control circuit is in one Cold ignition mode or synonymously "first ignition mode".
- the Distinction between a cold-ignition process and a hot-ignition process is preferably based on the duration of an operating voltage interruption performed. Warm ignition operations are in principle accepted when the operating voltage or the voltage detected by the ignitor only for a short time had dropped below a given threshold. As a short Periods may vary depending on the design of the ignitor periods viewed from a few micro-seconds to a few seconds become.
- the ignitor is designed so that it at least interruptions that take less than a second, as a brief operating voltage interruptions looks with the consequence that the igniter then operated in Warmzünd istsart becomes. Switching on after longer interruptions is considered as cold ignition.
- cold-starting to be the ignition pulses immediately after switching on the operating voltage generated and the lamp is supplied with ignition pulses. Usually this ignites immediately, i. after arrival the first impulse.
- warm ignition goes the Control circuit in a warm ignition mode, in the first no ignition pulses are delivered to the lamp but a Waiting time is passed.
- the waiting time can be, for example 15, 20, 24 seconds or even several minutes.
- hot ignition can, for example, after brief operating voltage interruptions as a result of unintentional shutdown or due to glitches on the operating voltage necessary become.
- the gas discharge lamp is cooled down Waited and to the other of the gas discharge lamp given the opportunity to cool down faster, because it does not contain any ignition energy in this phase, which otherwise increases Glow discharges and thus could lead to heat generation. This measure allows accelerated reignition.
- the firing pulses become clocked. For example, after each 5, 12 or 15 seconds ignition attempt a Zündpause of e.g. 24 seconds be inserted. This measure takes into account insofar on the gas discharge lamp as an undesirable heating avoided by futile attempts at ignition and also the delay the cooling suppressed by unsuccessful ignition attempts becomes.
- the Length of the ignition attempts and the break between them by the Time interval depends on the beginning of a re-ignition process.
- the ignitor which is anyway already suitable for different gas discharge lamps, automatically also to exotic lamps or lamps with special long cooling time adapts.
- FIG. 1 shows the circuit diagram of a gas discharge lamp 1 and an associated ballast 2 and an ignitor 3 illustrates.
- the gas discharge lamp 1 is, for example a sodium vapor lamp, a metal halide lamp or another gas discharge lamp. While you have a connection is connected to a reference potential N is her another connection via a Zündimpulstransformator 4 and the Ballast 2 to an AC voltage leading line L. connected. The reference potential N and the line L can be interchanged with each other.
- the ballast 2 is in simplest case of a choke which serves to limit the lamp current of the gas discharge lamp 1 and the Stabilize gas discharge.
- the ignition pulse transformer 4 has a secondary winding between the ballast 2 and the gas discharge lamp 1 is connected. His primary winding is connected to the ignitor 3.
- the other end of the primary winding the Zündimpulstransformators 4 is over a Break-through switch device, such as the Sidac 7, connected, the other end with the intermediate potential 6 is connected. The latter is via a current limiting resistor 8 and a capacitor 9 with the reference potential N. connected.
- the Zündimpulstransformator 4 forms together with the ignitor 3 is a high voltage generator 11.
- the control circuit 12 is from the perspective of Sidacs 7 a switch 15, which short-circuit the Sidac 7 can to prevent the generation of ignition pulses.
- the control circuit 12 includes an electronic circuit 16 for driving the switch 15.
- the control circuit monitors the voltage applied to the terminals 13, 14 voltage and evaluate these. It is through in the preferred case a microcontroller 17 is formed, which corresponds to that of FIG. 4 is provided schematically apparent external circuit.
- a microcontroller 17 is formed, which corresponds to that of FIG. 4 is provided schematically apparent external circuit.
- the Switch 15 is connected through a thyristor with upstream Graetz Bridge 18 formed.
- the thyristor is a working resistor 19 connected in series.
- the microcontroller 17 controls the thyristor at its gate.
- a resistor 21 branches in conjunction with a Zener diode 22 the operating voltage for the microcontroller 17 from.
- the zener diode 22, a buffer capacitor 23 may be connected in parallel.
- the Zener diode 22 can also be replaced by a voltage regulator become.
- the microcontroller 17 is a recognition device 24th assigned to short-term operating voltage dips that too cause an unintentional extinguishing of the gas discharge lamp or can lead to recognize.
- This recognition device 24 provides at operating voltage interruptions by the buffer capacitor 23 are bridged, a short signal pulse to a corresponding input of the microcontroller 17, to signal that now a re-ignition pending.
- the recognizer 24 is included in the embodiment According to Figure 4, 4a or Figure 4b one with the Graetz bridge 18 and thus the unfiltered operating voltage connected Zener diode 25 whose other electrode (anode) with the associated input of the microcontroller 17 is connected (dashed components are optional). With this are as well a resistor 27 and optionally a capacitor 26 connected the two switched to ground and thus turn connected to the other end of the Graetz bridge 18.
- the Zener diode 25 can also be replaced by a resistor.
- the microcontroller 17 is program-controlled. His programming takes place in the appropriate for the specific type Language for performing the function described below.
- the Zündimpulstransformator therefore generates a Sequence of ignition pulses. With a cold lamp these lead in the Usually immediately to ignite the gas discharge lamp 1. This ignites thus at the first half-wave or shortly thereafter. burns the gas discharge lamp 1 decreases the voltage between the ballast 2 and the gas discharge lamp 1 so far that the Capacitor 5 the breakdown voltage of the Sidacs 7 no longer reached. There are thus no more ignition pulses generated.
- the operating voltage B is turned on, in the diagram of Figure 5 as a DC voltage is illustrated.
- the control circuit 12 initially allows the delivery of ignition pulses with the frequency of a few hundred Hz or also a few kHz for a period of e.g. 36 seconds too.
- the control circuit 12 closes the Switch 15, placing the thyristor ( Figure 4) of the microcontroller 17 is ignited. This allows the ignition attempts for a pause of, for example, 24 seconds interrupted become. This game between interruption of the ignition attempts and re-ignition attempts can be repeated until the gas discharge lamp ignites, as in Figure 5 by a Kurvenast II is indicated.
- the re-ignition mode monitors how long the unsuccessful Emission of ignition pulses to the gas discharge lamp 1 takes.
- These ignition attempts exceed a time limit of, for example five or ten minutes can be closed be that on the ignitor 3 a warm hardly re-ignitable Gas discharge lamp, such as a so-called Ceramic burner lamp, connected.
- the breaks between individual ignition attempts can be extended for example, 52 seconds or 1 minute.
- the duration of the ignition attempts can be extended be, for example, 24 seconds. This is in Figure 5 illustrates in the right part of the diagram.
- the control circuit 12 during re-ignition in this temporal area she can save this and at the next re-ignition, for example by extended the waiting time between t1 and the first attempt at ignition and is equal to having larger breaks in between individual ignition attempts is worked. Preferably takes place however, a reset after a longer operating voltage interruption, so that the ignitor its universal usability also for faster relighting gas discharge lamps 1 maintains.
- the from the embodiment described above by the Programming the microcontroller 17 is different, is during warm - up (re - ignition) the time from extinguishing the Lamp until successful re-ignition or alternatively the Number of ignition tests carried out and monitored during considered next reignition.
- FIG. 6 illustrated.
- an operating voltage fault occurs on, which extinguish the gas discharge lamp 1 leaves.
- the Microcontroller 17 stores the number of futile attempts at ignition off and starts the next attempt when the gas discharge lamp 1 e.g. unintentionally at a time t2 goes out, only with the third pulse train.
- the number of successful ignition of the gas discharge lamp. 1 required impulse packages was four. This number decreases by One is three and now determines the impulse package with which the Ignition is started. Alternatively, however, only with The fourth package will be started or earlier ignition chances to use, already with the second.
- worked with variable waiting times W1, W2, where the waiting times W1 for later Wiederzünd dide at the Orient the history and thus to the previously required Waiting times are adjusted. Preferably they become something shorter than the previously required waiting times.
- the number of Re-ignition tests occurring in a given period monitored in the event of unintentional extinction of the gas discharge lamp 1 and any new Wiederzünd bath be prevented if a given limit is exceeded. hereby it avoids that at the end of life arrived lamps, which are constantly re-extinguished, constantly re-ignited which causes unpleasant blinking effects would.
- FIG 2 illustrates a modified embodiment the circuit of Figure 1, wherein for the same circuit parts with reference to the previous description, the same reference numerals be based on.
- the embodiment of FIG 2 differs from that of Figure 1 by the arrangement the control circuit 12 'in a lamp current carrying path.
- the functional description also applies corresponding.
- FIG 3 illustrates an embodiment of the circuit for the gas discharge lamp 1, which without Zündimpulstransformator gets along.
- the ballast 2 with a Tapped. This tap is via a capacitor 28, a triac 29 and a current limiting resistor 31 or a throttle connected to the reference potential N.
- the control electrode of the triac 19 is connected via a Diac 32 to a two resistors 33, 34 existing voltage divider, the Lamp voltage picks up, connected.
- the resistor 34 is a phase shifter capacitor 35 connected in parallel.
- the switch 15 serves to prevent drive pulses of the triac 29 to generate high voltage pulses to prevent. If it is open, high voltage pulses are generated until the gas discharge lamp 1 ignites. Is he on the other hand? closed, the generation of the ignition pulses is omitted.
- the Circuit 16 opens and closes the switch 15 according to the Diagrams 5 and 6 and the associated description.
- FIG 3a illustrates a modified embodiment the circuit for the gas discharge lamp 1, the without Zündimpulstransformator requires.
- the ballast 2 with a tap provided by a capacitor 28, a triac 29 and an optional current limiting resistor 31 or alternatively a throttle to the reference potential N is connected.
- the control circuit described above 16 is not used here to control a switch 15, the Ignition pulses of the triac 29 shorts, but it controls the triac 29 directly on. Should the generation of Lampenzündimpulsen stay the triac 29 receives no ignition pulses more of the control circuit 16. It is connected to the phase shifter network consisting of the resistors 33, 34 and the capacitor 35 connected to, if necessary, the ignition pulses for to generate the triac 29.
- the detection of warm start situations takes place as in the circuit of Figure 4 wherein the corresponding circuit parts not specified here individually are.
- An ignition device is used to ignite gas discharge lamps by means of high voltage pulses.
- the ignitor distinguishes between cold ignition and hot igniting, it being during warm ignition delayed with the generation of high voltage pulses starts. This speeds up cooling and shortens the reignition time.
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
- Figur 1 bis 3
- Gasentladungslampen mit Vorschalt- und Zündgerät in unterschiedlichen Ausführungsformen in schematisierten Schaltbildern,
- Figur 3a
- eine Steuerschaltung für die Vorschaltgeräte nach Figur 1 bis 3 in vereinfachter Darstellung,
- Figur 4
- eine andere Steuerschaltung für die Vorschaltgeräte nach Figur 1 bis 3 in vereinfachter Darstellung sowie
- Figur 4a, 4b
- Schaltungsvarianten für eine Erkennungseinrichtung und
- Figur 5 und 6
- Zünd- und Wiederzündvorgänge als Zeitdiagramm.
Claims (24)
- Zündgerät (3) für Gasentladungslampen (1), insbesondere mit elektromagnetischem Vorschaltgerät (2),
mit einem steuerbaren Hochspannungsgenerator (11), der an die Gasentladungslampe (1) angeschlossen ist, um Zündimpulse an diese zu liefern,
mit einer Steuerschaltung (12), die an den Hochspannungsgenerator (11) angeschlossen ist, um diesen zu steuern, und die in wenigstens zwei unterschiedlichen Betriebsarten betreibbar ist,
mit einer Erkennungseinrichtung (24), die Teil der Steuerschaltung (12) ist oder die an eine solche angeschlossen ist, zum Unterscheiden eines Zündvorganges von einem Wiederzündvorgang, um die Steuerschaltung (12) zu veranlassen, bei einem Wiederzündvorgang in einer anderen Betriebsart zu arbeiten als bei einem Zündvorgang. - Zündgerät nach Anspruch 1, dadurch gekennzeichnet, dass eine erste Betriebsart eine Erstzündbetriebsart ist, in der die Steuerschaltung (12) den Hochspannungsgenerator (11) nach dem Einschalten der Betriebsspannung sofort aktiviert.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, dass eine zweite Betriebsart eine Wiederzündbetriebsart ist, in der die Steuerschaltung (12) den Hochspannungsgenerator (11) nach dem Verlöschen der Gasentladungslampe (1) erst nach Ablauf einer Wartezeit (W) aktiviert.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, dass die von dem Hochspannungsgenerator (11) gelieferten Hochspannungsimpulse zeitlich getaktet geliefert werden.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Steuerschaltung (12) bei einem Wiederzündvorgang die Wiederzündzeit registriert, die vom Wiederzündbeginn bis zum tatsächlichen Zünden verstreicht.
- Zündgerät nach Anspruch 3 und 5, dadurch gekennzeichnet, dass die Wartezeit (W1) anhand der Wiederzündzeit bestimmt wird.
- Zündgerät nach Anspruch 6, dadurch gekennzeichnet, dass die Wartezeit (W1) mit der gespeicherten Wiederzündzeit gleich gesetzt wird.
- Zündgerät nach Anspruch 6, dadurch gekennzeichnet, dass die Wartezeit (W1) gleich der gespeicherten Wiederzündzeit minus einem Beschleunigungssubtrahenden ist.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Steuerschaltung (12) bei einem Wiederzündvorgang die Anzahl der Zündversuche registriert, die vom Wiederzündbeginn bis zum tatsächlichen Zünden unternommen werden.
- Zündgerät nach Anspruch 3 und 5, dadurch gekennzeichnet, dass die Wartezeit anhand der Anzahl der Zündversuche bestimmt wird.
- Zündgerät nach Anspruch 6, dadurch gekennzeichnet, dass die Wartezeit mit der für die gespeicherte Anzahl der Zündversuche notwendigen Zeit gleich gesetzt wird.
- Zündgerät nach Anspruch 6, dadurch gekennzeichnet, dass die Wartezeit gleich der Zeit ist, die sich aus der gespeicherten Anzahl der Zündversuche minus einem Beschleunigungssubtrahenden ergibt.
- Zündgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Steuerschaltung (12) bei in Betrieb befindlicher Gasentladungslampe (1) die in einem gegebenen Zeitfenster auftretende Anzahl von Wiederzündvorgängen überwacht und die das Zündgerät (3) für weitere Zündversuche sperrt, wenn eine Maximalzahl von Wiederzündvorgängen überschritten wird.
- Zündverfahren für Gasentladungslampen (1) mittels eines Zündgeräts (3),
wobei in einer Erstzündbetriebsart mit Beginn des Betriebs Zündimpulse ohne Wartezeit an die Gasentladungslampe (1) geliefert werden, wobei von der Zündbetriebsart eine Wiederzündbetriebsart unterschieden wird, in der Zündimpulse erst nach Ablauf einer Wartezeit an die Gasentladungslampe (1) geliefert werden. - Zündverfahren nach Anspruch 14, dadurch gekennzeichnet, dass die von dem Hochspannungsgenerator (11) gelieferten Hochspannungsimpulse zeitlich getaktet geliefert werden.
- Zündverfahren nach Anspruch 14, dadurch gekennzeichnet, dass die Steuerschaltung (12) bei einem Wiederzündvorgang die Wiederzündzeit registriert, die vom Wiederzündbeginn bis zum tatsächlichen Zünden verstreicht.
- Zündverfahren nach Anspruch 14, dadurch gekennzeichnet, dass die Wartezeit anhand der Wiederzündzeit bestimmt wird.
- Zündverfahren nach Anspruch 17, dadurch gekennzeichnet, dass die Wartezeit mit der gespeicherten Wiederzündzeit gleich gesetzt wird.
- Zündverfahren nach Anspruch 17, dadurch gekennzeichnet, dass die Wartezeit gleich der gespeicherten Wiederzündzeit minus einem Beschleunigungssubtrahenden ist.
- Zündverfahren nach Anspruch 14, dadurch gekennzeichnet, dass die Steuerschaltung (12) bei einem Wiederzündvorgang die Anzahl der Zündversuche registriert, die vom Wiederzündbeginn bis zum tatsächlichen Zünden unternommen werden.
- Zündverfahren nach Anspruch 20, dadurch gekennzeichnet, dass die Wartezeit anhand der Anzahl der Zündversuche bestimmt wird.
- Zündverfahren nach Anspruch 14, dadurch gekennzeichnet, dass die Wartezeit mit der für die gespeicherte Anzahl der Zündversuche notwendigen Zeit gleich gesetzt wird.
- Zündverfahren nach Anspruch 14, dadurch gekennzeichnet, dass die Wartezeit gleich der Zeit ist, die sich aus der gespeicherten Anzahl der Zündversuche minus einem Beschleunigungssubtrahenden ergibt.
- Zündverfahren nach Anspruch 14, dadurch gekennzeichnet, dass die Steuerschaltung (12) bei in Betrieb befindlicher Gasentladungslampe (1) die in einem gegebenen Zeitfenster auftretende Anzahl von Wiederzündvorgängen überwacht und die das Zündgerät (3) für weitere Zündversuche sperrt, wenn eine Maximalzahl von Wiederzündvorgängen überschritten wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003130014 DE10330014A1 (de) | 2003-07-03 | 2003-07-03 | Universelles Zündgerät |
DE10330014 | 2003-07-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1494508A2 true EP1494508A2 (de) | 2005-01-05 |
EP1494508A3 EP1494508A3 (de) | 2009-05-20 |
EP1494508B1 EP1494508B1 (de) | 2012-11-21 |
Family
ID=33426845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040012534 Expired - Lifetime EP1494508B1 (de) | 2003-07-03 | 2004-05-27 | Universelles Zündgerät |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1494508B1 (de) |
DE (1) | DE10330014A1 (de) |
ES (1) | ES2396230T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009069061A1 (en) | 2007-11-29 | 2009-06-04 | Koninklijke Philips Electronics N.V. | Method and igniter for igniting a gas discharge lamp |
AT12721U1 (de) * | 2011-04-22 | 2012-10-15 | Tridonic Gmbh & Co Kg | Vorrichtung zum betreiben einer hochdruckentladungslampe |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2203302A (en) | 1987-04-06 | 1988-10-12 | Hubbell Inc | Start, hot restart and operating circuit for an HIO lamp |
US4853599A (en) | 1988-02-11 | 1989-08-01 | Fl Industries, Inc. | Cycling limiting circuitry and method for electrical apparatus |
US4896077A (en) | 1987-06-16 | 1990-01-23 | Cooper Industries, Inc. | Ignitor disabler |
EP0847680B1 (de) | 1995-08-28 | 2001-11-07 | Tridonic Bauelemente GmbH | Verfahren und schaltungsanordnung zum zünden einer hochdruck-gasentladungslampe |
EP1196012A2 (de) | 2000-10-05 | 2002-04-10 | Eltam Ein Hashofet | Zündschaltung für Entladungslampen |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5047694A (en) * | 1989-06-30 | 1991-09-10 | Hubbell Incorporated | Lamp starting circuit |
US5298837A (en) * | 1992-09-22 | 1994-03-29 | Online Energy, Inc. | Ultraviolet flash dryer |
US5594308A (en) * | 1995-08-29 | 1997-01-14 | Hubbell Incorporated | High intensity discharge lamp starting circuit with automatic disablement of starting pulses |
US5969483A (en) * | 1998-03-30 | 1999-10-19 | Motorola | Inverter control method for electronic ballasts |
US6194843B1 (en) * | 1999-01-29 | 2001-02-27 | Electro-Mag International, Inc. | HID ballast with hot restart circuit |
US6091208A (en) * | 1999-03-30 | 2000-07-18 | Hubbell Incorporated | Lamp ignitor for starting conventional hid lamps and for starting and restarting hid lamps with hot restrike capability |
US6642673B2 (en) * | 2000-11-08 | 2003-11-04 | Hubbell Incorporated | Method and apparatus for disabling sodium ignitor upon failure of discharge lamp |
DE10330013A1 (de) * | 2003-07-03 | 2005-02-03 | Elektrobau Oschatz Gmbh & Co. Kg | Zündgerät mit intelligenter Abschaltung |
-
2003
- 2003-07-03 DE DE2003130014 patent/DE10330014A1/de not_active Withdrawn
-
2004
- 2004-05-27 EP EP20040012534 patent/EP1494508B1/de not_active Expired - Lifetime
- 2004-05-27 ES ES04012534T patent/ES2396230T3/es not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2203302A (en) | 1987-04-06 | 1988-10-12 | Hubbell Inc | Start, hot restart and operating circuit for an HIO lamp |
US4896077A (en) | 1987-06-16 | 1990-01-23 | Cooper Industries, Inc. | Ignitor disabler |
US4853599A (en) | 1988-02-11 | 1989-08-01 | Fl Industries, Inc. | Cycling limiting circuitry and method for electrical apparatus |
EP0847680B1 (de) | 1995-08-28 | 2001-11-07 | Tridonic Bauelemente GmbH | Verfahren und schaltungsanordnung zum zünden einer hochdruck-gasentladungslampe |
EP1196012A2 (de) | 2000-10-05 | 2002-04-10 | Eltam Ein Hashofet | Zündschaltung für Entladungslampen |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009069061A1 (en) | 2007-11-29 | 2009-06-04 | Koninklijke Philips Electronics N.V. | Method and igniter for igniting a gas discharge lamp |
CN101878676A (zh) * | 2007-11-29 | 2010-11-03 | 皇家飞利浦电子股份有限公司 | 用于点燃气体放电灯的方法和点火器 |
AT12721U1 (de) * | 2011-04-22 | 2012-10-15 | Tridonic Gmbh & Co Kg | Vorrichtung zum betreiben einer hochdruckentladungslampe |
Also Published As
Publication number | Publication date |
---|---|
EP1494508B1 (de) | 2012-11-21 |
EP1494508A3 (de) | 2009-05-20 |
DE10330014A1 (de) | 2005-02-03 |
ES2396230T3 (es) | 2013-02-20 |
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