WO2009046914A1 - Appareil de commande pour commander le processus d'amorçage d'une lampe - Google Patents

Appareil de commande pour commander le processus d'amorçage d'une lampe Download PDF

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Publication number
WO2009046914A1
WO2009046914A1 PCT/EP2008/008319 EP2008008319W WO2009046914A1 WO 2009046914 A1 WO2009046914 A1 WO 2009046914A1 EP 2008008319 W EP2008008319 W EP 2008008319W WO 2009046914 A1 WO2009046914 A1 WO 2009046914A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp
operating device
brightness
burn
operating
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.)
Ceased
Application number
PCT/EP2008/008319
Other languages
German (de)
English (en)
Inventor
Markus Sandholzer
Juen Reinhold
Dirk Dworatzek
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
Priority to EP08802735.4A priority Critical patent/EP2208403B1/fr
Priority to CN200880110096.XA priority patent/CN101816220B/zh
Publication of WO2009046914A1 publication Critical patent/WO2009046914A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations

Definitions

  • the present invention relates to a lamp operating device for operating a light source, which is dimmable via the operating device.
  • the present invention relates to a lamp operating device in the form of a dimmable electronic ballast for operating a gas discharge lamp.
  • Gas discharge lamps need a specific control in a startup phase after commissioning. Gas discharge lamps may e.g. In some application areas require a specific control with respect to the light output.
  • an emergency lighting system which operates an emergency lighting as soon as a mains supply or power supply for further lighting elements fails.
  • the system includes a capacitor that discharges in the event of a mains failure, which in turn activates a transistor and turns on the emergency lighting.
  • a conventional filament lamp is the maximum luminous efficacy of the system is reached immediately after failure of the mains supply.
  • a fluorescent lamp needs a certain amount of time, at least several minutes, to be heated up. Only then can such a fluorescent lamp with maximum intensity shine.
  • a heating power parameter value for example the filament heating current or the heating voltage
  • a heating power parameter value can be set to a value for optimum service life in steady-state operation in order to increase the lamp life adapted, in particular lowered.
  • the present invention is based on the object to design the startup phase after startup such that the lamp life can be increased.
  • the aim of the invention is to achieve the best possible baking process to extend the life of the lamp. Namely, a new lamp requires a burn-in process, which can be a period of, for example, 20 to 100 hours at full power.
  • the daylight sensor or an applied dimming command from a bus line can immediately instruct a strong dimming of the lamp. Thus, it can not come to a proper burn-in.
  • the invention is now based on improving the burn-in process by prescribing a minimum permissible dimming value, for example, by means of software in the electronic ballast during a specific burning time period which is counted.
  • This dimming level is therefore not undershot.
  • This minimum permissible dimming level can be, for example, in a range of 50-70% of the maximum power (100%).
  • the electronic ballast can perform a burning time detection.
  • This fuel meter is, for example, on delivery of the electronic ballast
  • a reset of the burn timer is also provided when changing the bulb.
  • Another start to zero of the duty counter may occur when detecting the insertion of a lamp with a different wattage.
  • the function of detecting a lamp change (under tension) is implemented. In this case, reinstalling a lamp is detected directly and then the counter is reset to zero.
  • the lamp change the control gear can also be displayed by a command, for example. Via a bus line from the outside.
  • the operating time counter can thus be reset and restarted by an external command or actuation.
  • the aging of the lamp filament is detected by the electronic ballast.
  • the electronic ballast detects the helical state on the age of the lamp and thus on an already completed burn-in.
  • the baking process according to the invention can be carried out. Even after a complete switch-off of the lamp or after longer periods of very low dimming values, a burn-in process or regeneration burn-in process according to the invention is necessary.
  • the electronic ballast may in this case be designed to detect the time during which a threshold value for the dimming level has fallen below. Alternatively or additionally, the time duration during which the lamp was not operated can be detected. Now, if the low dimming or switching off was detected over a longer period of, for example, several days or weeks, in turn, according to the invention, the dimming of Lamp is disabled below the predetermined threshold to cause a regeneration burn-in.
  • an operating device for operating at least one lamp has at least one input for receiving brightness control information and an output for controlling a power supply circuit for supplying the lamp.
  • the control of the power supply circuit is dependent on the received brightness control information, except during a burn-in of the lamp, in which the power supply circuit is controlled such that the brightness of the lamp does not fall below a minimum allowable brightness level.
  • an operating device for operating at least one lamp has at least one input for receiving brightness control information and an output for controlling the power supplied to the lamp in dependence on the received brightness control information.
  • the power supplied to the lamp is controlled so as not to fall below a minimum allowable power level.
  • the burn-in process can be started by the operating device when the lamp is switched on again after the lamp or operating device has been completely switched off.
  • the dimming capability of the operating device is advantageously blocked, so that the brightness of the lamp can not fall below its maximum brightness level, or so that the power supplied to the lamp can not fall below the maximum power that can be supplied.
  • the minimum permissible brightness level or power level can be above 10% of the maximum achievable brightness level or the maximum power that can be supplied.
  • Power level can be between 50% and 70% of the maximum achievable brightness level or the maximum feedable power.
  • the burn-in process can be started, for example, if the operating device detects a lamp replacement.
  • the burn-in process can also be started when the operating device detects that the wattage of the lamp is changing, which means that the operating device can close to a lamp replacement.
  • the burn-in process can be started by the operating device when the lamp is switched on again after a complete switch-off.
  • To start the burn-in process may additionally be necessary to turn off the lamp during a minimum period of time.
  • the burn-in process is performed only if the lamp remains off for a minimum period of time. This is possible, for example, in a DALI (Digital Addressable Lighting Interface) capable operating device, since such an operating device is basically still switched on in a standby state and thus can count the switch-off time duration, even if the load circuit or the lamp is switched off.
  • DALI Digital Addressable Lighting Interface
  • the minimum period may be at least one day, and in particular at least one week.
  • the brightness of the lamp or the power supplied to it may reach the maximum brightness level power level for at least 5 minutes.
  • the operating device may start the burn-in process after a certain period of time during which the brightness of the lamp has not exceeded a brightness reference level or during which the supplied power has not exceeded a power reference level.
  • the burn-in process can be carried out by the control gear for 20 to 100 hours.
  • the operating device may have means for detecting the age of the lamp or the state of the lamp filament, so that according to the burn-in can be performed or not. If, for example, it is possible to conclude an already completed burn-in process, then the burn-in process is not carried out.
  • the detection of a lamp change can also be done via the helical or electrode monitoring.
  • a change of lamp can be determined by means of a helical resistance measurement.
  • the operating device may have an input for receiving brightness actual values, in particular of a light sensor.
  • the operating device may have an input for receiving brightness setpoints.
  • the operating device may have an input for receiving DALI (Digital Addressable Lighting Interface) or DSI (Digital Signal Interface) brightness setpoints.
  • DALI Digital Addressable Lighting Interface
  • DSI Digital Signal Interface
  • dimmable electronic ballast is operable at least one lamp on a above-defined operating device.
  • a method of dimming a lamp in response to brightness control information wherein in a burn-in operation of the lamp, the lamp may not be dimmed below a minimum allowable dimming level.
  • Fig. 1 shows the structure of an electronic ballast 11 according to the invention, to which a light sensor 20 is connected.
  • the electronic ballast 11 shown in Fig. 1 is used in particular for operating at least one gas discharge lamp 10.
  • the electronic ballast 11 comprises a rectifier 1, which converts a mains voltage into a rectified DC link voltage, which in turn is applied to an inverter 2.
  • the inverter 2 usually has two series-connected between a positive supply voltage and ground switch (not shown), which may be formed in particular as MOSFETs and alternately activated, ie closed and opened. In this way, the inverter 2 generates a high-frequency, clocked AC voltage whose envelope follows the DC link voltage supplied by the rectifier 1.
  • a load circuit which in particular has the gas discharge lamp 10 and a series resonant circuit with a coil 4 and a capacitor 5, wherein the gas discharge lamp 10 is connected via a coupling capacitor 6 to the series resonant circuit.
  • a heating transformer is provided, whose primary winding 7A is connected to the series resonant circuit and whose secondary windings 7B and 7C are respectively connected in parallel to one of the lamp filaments of the gas discharge lamp 10.
  • the lamp filaments of the gas discharge lamp 10 can be supplied with a heating voltage in the preheating operation.
  • heating transformer 7A, 7B, 7C is not mandatory for the invention, alternative embodiments of the invention do not have a heating transformer 7A, 7B, 7C.
  • the electronic ballast 11 has a central control device 12, which in particular comprises a microprocessor can.
  • the control device 12 is used in particular for dimming or for controlling the brightness of the gas discharge lamp 10 as a function of an externally supplied actual brightness value 21 and / or from an externally supplied brightness setpoint value 22.
  • An actual brightness value 21, which represents the brightness of the gas discharge lamp 10, can be supplied by the light sensor 20 via an interface device 3.
  • the analogue signal delivered by the light sensor 20 can be converted by the interface device 3 into two digital signals by means of two resistors 13, 14 connected between terminals 18a, 18b and inputs 16a, 16b of the control device 12 and by a capacitor 15.
  • brightness set values or dim values 22 in the form of external control information can be supplied externally to the control device 12.
  • These brightness setpoints 22 may be, for example, setpoint specifications of an external dimmer.
  • the brightness setpoints 22 may be sent from a central unit via a digital control system (not shown), such as DALI (Digital Addressable Lighting Interface) or DSI (Digital Signal Interface).
  • the control device 12 receives in addition to external control information I e xtern also in a known manner internal operating state information, which are advantageously taken into account for the control or regulation of the operating behavior of the electronic ballast 11 according to the invention.
  • Such internal operating status information may include i.a. describe the following parameters:
  • the control device 12 receives, for example, a magnitude corresponding to the lamp current iL by supplying the voltage dropping via a resistor or shunt 9 to the control device 12.
  • the heating current iH is similarly determined by means of a resistor 8.
  • the lamp voltage uL can be tapped directly between the gas discharge lamp 10 and the coupling capacitor 6.
  • the electronic ballast 11 or the control device 12 can then determine other operating parameters in a known manner, such as the lamp burn time, the operating time, the number of starts, etc.
  • the gas discharge lamp 10 is fundamentally dimmed as a function of the received brightness actual values 21 of the light sensor 20 and / or the external brightness setpoint values 22 by changing the frequency f and / or the duty cycle d of the clocked alternating voltage supplied by the inverter 2.
  • the changes in the frequency f and / or the duty cycle d are communicated to the inverter 2 via an output 23 of the control device 12 by means of a corresponding control signal 24.
  • the duration of the burn-in process or of the limited lamp operation is, for example, between 20 and 100 hours. This duration can also be dependent on the lamp to be prescribed by the lamp manufacturer.
  • the duration of the burn-in process can be determined externally and communicated to the operating device via this interface 17a, 17b.
  • the burn-in period can also be stored in the operating device 12.
  • a lamp change can also be indicated to the operating device by a command, for example via a bus line from the outside.
  • the operating time counter can thus be reset and restarted by an external command or actuation.
  • the digital interface 17a, 17b by means of a configuration command or manually, for example with the aid of a switch 25, to activate or deactivate the limitation of the dimming capability according to the invention.
  • a combined query can be set so that the burn-in process only starts when a lamp replacement has been detected and also released via a configuration command or via a manual activation.
  • the advantage of the invention is therefore that the lamps 10 can be baked optimally or correctly, which in turn increases the life of the lamp.
  • Parameters of the burn-in process can be configured via a table so that it is started after certain events or not. Examples of such events are:
  • Both the burn-in process and the burn-in time can also depend on the type of detected or per
  • Control information defined lamp can be configured. For example, it may be necessary to have one at each lamp start for a given lamp type
  • the burn-in process can also be varied to the extent that the burn-in time is dependent on the minimum permitted brightness level for the burn-in time. For example, with a minimum allowable brightness level of 70%, the burn-in time may be set at 10 minutes, while at a minimum allowable brightness level of 10%, the burn-in time is set at 45 minutes. This can be stored as a function as well as in the form of a table.
  • the burn-in process may also be configurable or activatable depending on ambient conditions such as, for example, the detected ambient temperature.
  • such a lighting system can now be used more easily, since the individual operating devices 12 or electronic ballasts 11 can perform the correct burning of the lamps 10 automatically, in which, for example, the dimming is initially deactivated or at least restricted by the light sensor, and for example 100 hours lamp burning time is automatically activated.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Cet appareil de commande (12) pour faire fonctionner au moins une lampe (10) comprend : au moins une entrée (16a, 16b, 17a, 17b) pour recevoir des informations (21, 22) de commande de luminosité ; et une sortie (23) pour commander un circuit d'alimentation électrique (2) pour alimenter la lampe (10). La commande du circuit d'alimentation électrique (2) s'effectue en fonction des informations reçues (21, 22) de commande de luminosité, sauf pendant un processus d'amorçage de la lampe (10), où le circuit d'alimentation électrique (2) est commandé de façon que la luminosité de la lampe (10) ne tombe pas en dessous d'un niveau minimal admissible.
PCT/EP2008/008319 2007-10-02 2008-10-01 Appareil de commande pour commander le processus d'amorçage d'une lampe Ceased WO2009046914A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08802735.4A EP2208403B1 (fr) 2007-10-02 2008-10-01 Appareil de commande pour commander le processus d'amorçage d'une lampe
CN200880110096.XA CN101816220B (zh) 2007-10-02 2008-10-01 用于控制灯点亮预热过程的操作机构

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007047141.8 2007-10-02
DE102007047141A DE102007047141A1 (de) 2007-10-02 2007-10-02 Betriebsgerät zum Steuern des Einbrennvorganges einer Lampe

Publications (1)

Publication Number Publication Date
WO2009046914A1 true WO2009046914A1 (fr) 2009-04-16

Family

ID=40092495

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/008319 Ceased WO2009046914A1 (fr) 2007-10-02 2008-10-01 Appareil de commande pour commander le processus d'amorçage d'une lampe

Country Status (4)

Country Link
EP (1) EP2208403B1 (fr)
CN (1) CN101816220B (fr)
DE (1) DE102007047141A1 (fr)
WO (1) WO2009046914A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008054290A1 (de) * 2008-11-03 2010-05-12 Osram Gesellschaft mit beschränkter Haftung Anordnung aus elektronischem Vorschaltgerät und daran angeschlossenem Dimm-Steuergerät sowie Verfahren zum Betreiben einer Lampe
DE102010001925A1 (de) 2010-02-15 2011-08-18 Osram Gesellschaft mit beschränkter Haftung, 81543 Lichtsteuersystem und Verfahren zum Betreiben eines Lichtsteuersystems
JP5212527B2 (ja) * 2010-09-01 2013-06-19 株式会社デンソー 放電灯点灯装置
DE102011008571B4 (de) * 2011-01-14 2025-03-13 Eaton Intelligent Power Limited Leuchte und Verfahren zur Steuerung einer solchen
CN114176490A (zh) * 2022-02-15 2022-03-15 极限人工智能(北京)有限公司 内窥镜氙灯光源的预热方法、氙灯光源及内窥镜

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1508130A (en) 1975-07-22 1978-04-19 Thorn Electrical Ind Ltd Emergency lighting systems
WO2000007416A1 (fr) * 1998-07-28 2000-02-10 Lutron Electronics Co., Inc. Gradateur de lampes fluorescentes avec stabilisation des lampes
DE102005021297A1 (de) 2005-05-09 2006-11-16 Tridonicatco Gmbh & Co. Kg Beurteilung des Zustands einer Heizwendel
DE102005047985A1 (de) 2005-10-06 2007-04-12 Tridonicatco Gmbh & Co. Kg Dynamische Wendelheizung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59409443D1 (de) * 1994-04-15 2000-08-17 Knobel Lichttech Vorschaltgerät mit Lampenwechselerkennung für Entladungslampen
US6504322B2 (en) * 2000-04-18 2003-01-07 Matsushita Electric Industrial Co., Ltd. Discharge lamp operating apparatus
US7081715B1 (en) * 2004-12-13 2006-07-25 Jeffrey Jay Goldstein Method of providing break-in conditioning for a bi-level illumination system
EP1737281A3 (fr) * 2005-06-16 2010-11-24 SE Lightmanagement AG Ballast electronique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1508130A (en) 1975-07-22 1978-04-19 Thorn Electrical Ind Ltd Emergency lighting systems
WO2000007416A1 (fr) * 1998-07-28 2000-02-10 Lutron Electronics Co., Inc. Gradateur de lampes fluorescentes avec stabilisation des lampes
DE102005021297A1 (de) 2005-05-09 2006-11-16 Tridonicatco Gmbh & Co. Kg Beurteilung des Zustands einer Heizwendel
DE102005047985A1 (de) 2005-10-06 2007-04-12 Tridonicatco Gmbh & Co. Kg Dynamische Wendelheizung

Also Published As

Publication number Publication date
CN101816220B (zh) 2014-10-29
DE102007047141A1 (de) 2009-04-09
EP2208403B1 (fr) 2013-07-17
EP2208403A1 (fr) 2010-07-21
CN101816220A (zh) 2010-08-25

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