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WO2008009571A2 - Système d'éclairage comportant une lampe à décharge et un ballast électronique et procédé d'utilisation d'un système d'éclairage - Google Patents

Système d'éclairage comportant une lampe à décharge et un ballast électronique et procédé d'utilisation d'un système d'éclairage Download PDF

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Publication number
WO2008009571A2
WO2008009571A2 PCT/EP2007/056867 EP2007056867W WO2008009571A2 WO 2008009571 A2 WO2008009571 A2 WO 2008009571A2 EP 2007056867 W EP2007056867 W EP 2007056867W WO 2008009571 A2 WO2008009571 A2 WO 2008009571A2
Authority
WO
WIPO (PCT)
Prior art keywords
temperature
source
lighting system
discharge lamp
lamp
Prior art date
Application number
PCT/EP2007/056867
Other languages
German (de)
English (en)
Other versions
WO2008009571A3 (fr
Inventor
Martin Beck
Achim Hilscher
Thomas Mudra
Kai Mueller
Original Assignee
Osram Gesellschaft mit beschränkter Haftung
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 Gesellschaft mit beschränkter Haftung filed Critical Osram Gesellschaft mit beschränkter Haftung
Priority to EP07787150A priority Critical patent/EP2044614A2/fr
Priority to CN200780027528.6A priority patent/CN101490796B/zh
Publication of WO2008009571A2 publication Critical patent/WO2008009571A2/fr
Publication of WO2008009571A3 publication Critical patent/WO2008009571A3/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
    • 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
    • H05B41/295—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 with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions

Definitions

  • Lighting system with a discharge lamp and an electronic ballast and method for operating a lighting system
  • the present invention relates to a lighting system with a discharge lamp, which has a mercury source (Hg source), from which mercury evaporates during operation of the discharge lamp.
  • the lighting system further comprises an electronic ballast for operating the discharge lamp.
  • the present invention also relates to a method of operating such a discharge lamp with an electronic ballast.
  • Lighting systems which have a single-ended or double-ended discharge lamp and an electronic ballast for operating this lamp are known.
  • Hg source in the discharge vessel of the discharge lamp, from which an appropriate amount of mercury evaporates during operation and substantially contributes to the UV (ultraviolet) production in the discharge vessel through the corresponding Hg lines.
  • the term "Hg source” is used below for the sake of simplicity, although the formulation in its most general sense refers to any form of a solid and liquid source for the Light generation substantially substance in the discharge vessel relates.
  • the term Hg source includes two functions in principle, namely, on the one hand, a mercury donor. This is a material or a Body in which the mercury is contained, for example, liquid mercury itself or an amalgam.
  • steam pressure-regulating Hg elements such as work amalgams or mercury precipitates on a so-called CoId spot.
  • a vapor pressure regulating element In order to produce defined conditions for the vapor pressure of the mercury prevailing during operation, a vapor pressure regulating element is required.
  • the temperature of the vapor pressure regulating element controls the vapor pressure of the mercury in the discharge. It is also known, in the area of the discharge pipes inside, to provide relatively thin pumping nozzles which, on the one hand, serve as a pump tube during the production of the gas discharge lamp, ie for evacuation and filling of the discharge vessel, and on the other hand frequently also take up the Hg source.
  • a known from the prior art Constant lamp (A malgam lamp) 1 is shown in a schematic manner.
  • This double-sided shuttered discharge lamp 1 comprises two pedestals 1 a and 1 b mounted on opposite ends of a tubular discharge vessel 1 c. Inside the discharge vessel 1 c are two lamp filaments 1 d and 1 e, which are attached to the racks 1 f and 1 g.
  • the discharge lamp 1 comprises a Hg source 1 1 as Wegamalgam, wherein the Schwarzamalgam is applied to an amalgam carrier. The mercury vapor pressure is dependent on the temperature of the working amalgam. When the discharge lamp 1 is switched off, the working amalgam and the two starting amalgams 12 and 13 absorb the mercury.
  • start-up flags (approximately 1 mg In) are mounted relatively close to the lamp filaments 1d and 1e, they are heated relatively quickly after the lamp has been started and release the mercury stored in vapor form.
  • the start-up flags 12 and 13 are during the operation of the discharge lamp. 1 so hot that no mercury can be bound. Only after switching off and cooling the racks 1 f and 1 g, the indium takes on mercury again, to accelerate the startup behavior at the next start.
  • the work amalgam is mounted on an amalgam carrier and comprises about 25 mg InAg 6 . It determines by its temperature in the static operation of the discharge lamp 1, the mercury vapor pressure in the lamp. Both frames 1 f and 1 g are relatively short in order to prevent cold spot formation at low temperatures.
  • FIG. 2 shows a discharge lamp 2 known from the prior art, which is designed as a cold spot lamp.
  • This is designed as a double-capped lamp and comprises the pedestals 2a and 2b, which are attached to opposite ends of the discharge vessel 2c.
  • the two lamp filaments 2d and 2e are in turn attached to two frames 2f and 2g, which, however, have different lengths.
  • the mercury vapor pressure in this discharge lamp 2 is dependent on the temperature of the cold spot 2h at the base edge of the longer frame 2f.
  • the cold leg or this longer frame 2f are dimensioned such that the liquid mercury in the discharge lamp 2 is heated to about 49 ° C. at the so-defined cold spot 2h at about 35 ° C. ambient temperature.
  • An illumination system comprises a discharge lamp which has at least one Hg source from which mercury evaporates during operation of the discharge lamp.
  • the lighting system further comprises an electronic ballast for operating the discharge lamp.
  • the illumination system comprises means for detecting temperature values, with which temperature values the actual temperature of the Hg source can be determined, wherein the determined actual temperature is compared with at least one reference temperature, and depending on the comparison, the temperature of the Hg source is active is adjustable. By determining the temperature of the Hg source during operation of the discharge lamp, it can be observed during the entire operation of the discharge lamp and be reacted to a deviation of this actual temperature from an optimum operating temperature. For all operating phases of the discharge lamp, the temperature of the Hg source can be adjusted with regard to an optimum Hg vapor pressure.
  • the luminous efficacy of the discharge lamp can also be improved and a high luminous flux can be ensured over a substantially extended temperature range.
  • This also allows the constancy of the equiva- valent color temperature of the discharge lamp over a wide temperature range.
  • a maximum efficiency over an extended temperature range at a nominal luminous flux can thereby be achieved both in amalgam and cold spot lamps, as described in FIGS. 1 and 2.
  • the invention is not limited to double ended discharge lamps, but can also be used quite generally in single ended discharge lamps.
  • the temperature of the Hg source is set as a function of a definable deviation of the specific actual temperature from at least one reference temperature, and the manner of setting the temperature of the Hg source depends on the type of deviation.
  • a type of deviation is understood as meaning, in particular, exceeding or falling below a reference temperature.
  • One way of adjusting the temperature of the Hg source is to understand measures and procedures and means taken as a basis for this setting. In particular, different feasible measures are understood, wherein, depending on the nature of the deviation, an individual assigned procedure is used in order to be able to carry out the setting of the temperature of the Hg source. Depending on the situation, then the respectively suitable type of setting can be used as the basis and the temperature of the Hg source can be optimally adjusted.
  • a specific increase in the heating power of the lamp filaments is coupled to a specific increase in temperature of the Hg source.
  • specific parameters such as the distance of the lamp filament from the Hg source can be used in order to be able to use a defined thermal coupling.
  • This defined thermal coupling then provides a basis for being able to obtain a dependence of the temperature increase of the Hg source on the heating power of the lamp filaments and the associated increase in the temperature of the lamp filaments.
  • reference characteristic curves can be created by which it is known with which increase in the heating power a respective increase in the temperature of the Hg source can be achieved.
  • the temperature setting of the working amalgam during operation of the discharge lamp can be done very accurately.
  • the temperature of the lamp filaments with a heating power can be adjusted, which regardless of what value the specific actual temperature falls below the first reference temperature, constant.
  • a relatively low-cost temperature control of the Hg source can be made possible. If it is determined in this embodiment, for example, that the actual temperature of the Hg source is below a reference temperature, the heating power of the lamp filaments is set to a predetermined value, regardless of how large the deviation between the actual temperature and the first reference temperature , If an actual temperature of the Hg source is determined, which is greater than the first reference temperature, then it can be provided that the heating power of the lamp turn is set to a minimum value or even completely switched off.
  • the heating power of the lamp filaments for increasing the temperature can be set as a function of what value the specific actual temperature of the Hg source deviates from the first reference temperature.
  • a specific heating power profile can be used as a reference curve, in which at each specific deviation between the actual temperature and the first reference temperature, in particular an individual value of falling below the first reference temperature by the actual temperature, an individual heating power can be assigned.
  • the precise adjustment of the Hg source can be improved thereby.
  • the heating power is adjusted so that it is smaller with a decreasing deviation, in particular a decreasing falling below the reference temperature by the actual temperature of the Hg source.
  • the profile or the reference curve of the heating power in this embodiment is designed so that it steadily decreases with a smaller difference between the first reference temperature and the smaller actual temperature.
  • the reference profiles are preferably stored in a control and / or regulating unit of the lighting system.
  • adjusting the temperature of the Hg source by reducing the electrical power of the overall system and / or the discharge lamp feasible. This represents another way of adjusting the temperature.
  • the reduction of the electrical power is preferably carried out when the actual temperature of the Hg source exceeds a second reference temperature.
  • the reduction of the electrical power is preferably greater, the more the specific actual temperature exceeds the reference temperature. It can be provided that the electrical power is reduced to a maximum of 50 percent, in particular 80 percent, of the maximum power of the system. This reduction can take place within a predefinable temperature interval, which is determined by the difference between the actual temperature and the reference temperature. temperature is given. If the actual temperature exceeds the second reference temperature by such a degree that this temperature difference lies outside the predefinable difference interval, the electrical power is likewise reduced only with the predefinable maximum value.
  • the reduction of the electrical power is the greater, the more the specific actual temperature of the Hg source exceeds the second reference temperature.
  • the reduction of the electric power can then be made to a substantially arbitrary value.
  • the first reference temperature is from the interval between 10 ° C and 50 ° C.
  • Said temperature range is exemplary and may also have lower and / or higher limits.
  • Particularly advantageous is a first reference temperature from this temperature range for embodiments in which the temperature detection of the Hg source is carried out by means which are arranged in an electronic ballast.
  • the first reference temperature can be determined from an ambient temperature in the luminaire and / or the illumination system as well as a temperature of the self-heating of the lamp. It can thereby be provided that a fraction of the temperature of the internal heating, for example half or three quarters, is added to the ambient temperature and thus the first reference temperature is determined.
  • the second reference temperature is preferably greater than the first reference temperature.
  • the two reference temperatures are predefined in particular in that a working amalgam can carry out a self-regulation of the Hg vapor pressure within a specific temperature range. In this individual temperature range, therefore, an active adjustment of the temperature of the Hg source by the measures mentioned is not required. Thus, if an actual temperature of the Hg source is determined, which within this temperature interval, which is determined by the two reference is formed, so there is no active control of the temperature of the Hg source by the measures mentioned.
  • a temperature sensor is arranged in the ballast for determining characteristic measured values, which enables an indirect temperature detection of the Hg source. Due to the known arrangement of the ballast and the Hg source to each other can be concluded from the values detected by the temperature sensor on the temperature of the Hg source.
  • a temperature sensor is arranged outside the ballast, which is designed to detect the temperature of the Hg source characterizing measured values.
  • the temperature sensor may be attached to the outside of the discharge lamp, for example.
  • the temperature sensor is arranged inside the discharge lamp, preferably adjacent to the Hg source.
  • a temperature sensor for example, Pt-100, is disposed on an amalgam carrier.
  • the temperature sensor may, for example, be welded to the amalgam carrier.
  • Supply lines of the temperature sensor can be passed through a pumping hole of the discharge lamp and preferably be guided in a pumping stem of the discharge lamp through a Abschmelzstelle to the outside.
  • the outlet of the supply lines can be passed through the glass of the discharge vessel. It can also be provided that the outlet is formed at a transition between a base and the discharge vessel. Likewise, however, a direct exit can be realized by the bulb glass of the discharge vessel.
  • mercury is evaporated from an Hg source arranged in the discharge lamp during operation of the discharge lamp.
  • Temperature values of the illumination system correlated with the actual temperature of the Hg source are detected and from this the actual temperature of the Hg source is determined.
  • the determined temperature is compared with at least one reference temperature, and depending on the comparison, the temperature of the Hg source is set active.
  • the interaction between the discharge lamp and the electronic ballast is individualized and enables a system optimization with regard to an optimal luminous flux of the lamp and the constancy of the equivalent color temperature.
  • a control circuit by means of a Wendelsammlung antique and a lamp power precision dimming is possible.
  • the electronic ballast is preferably equipped with an interface for temperature sensors.
  • a so-called power boost process can preferably be carried out.
  • the luminous flux characteristic is accelerated by impressing a higher current. It can preferably be provided that two parameters are used for the feedback control. An overshoot of the luminous flux in a feedback control of the power boost can be prevented.
  • the temperature measurement value of the lamp surroundings and / or the temperature of the electronic ballast and / or the Hg source as well as the time since the lamp start are preferably used as the basis.
  • the feedback control is preferably profile-controlled. This means that the excess power is reduced to a power rating relatively slowly within a predefinable time interval, for example in a time period of several minutes.
  • FIG. 2 shows a cold-spot lamp known from the prior art
  • FIG. 3 is a schematic block diagram of a lighting system according to the invention.
  • Fig. 4 is a diagram in which a heating power for lamp filaments in
  • Fig. 5 is a diagram in which the lamp power in dependence of
  • Fig. 6 is a diagram in which the luminous flux of the discharge lamp in
  • Fig. 7 is a diagram in which the luminous flux in response to a
  • FIG. 3 shows a schematic illustration of a lighting system 3 which has an electronic ballast 4 and a discharge lamp 5.
  • the ballast 4 is designed to operate the discharge lamp 5. Furthermore, the ballast 4 has a mains voltage connection 61 and a connection 62 for a control line.
  • the discharge lamp 5 may be a double ended lamp such as shown in FIG. 1 or FIG. In principle, however, the discharge lamp 5 can also be designed as a single-ended discharge lamp.
  • the discharge lamp 5 of the illumination system 3 is designed as a low-pressure discharge lamp and has a symbolically represented Hg source 51.
  • a mercury vapor pressure over a wide ambient temperature range can be optimally adjusted during operation of the discharge lamp 5.
  • a high luminous flux and, in the case of dimmers, a constant luminous flux and a constant light color can be maintained both at high and at low temperatures. The occurrence of pinkish light at low discharge currents and low ambient temperatures can thus be prevented.
  • amalgam an indium silver, and especially an lnAg 6 compound, is used.
  • the source is thus realized specifically as InAgHg source 51.
  • the temperature range is significantly widened by additional thermal control of this working amalgam.
  • a temperature sensor 7 is arranged in the electronic ballast 4.
  • This temperature sensor 7 may be, for example, an NTC resistor.
  • the detection of temperature values can be carried out, with which the actual temperature of the InAgHg source 51 can be determined.
  • the thus determined actual temperature is compared with a reference temperature, and depending on the comparison, the temperature of the InAgHg source 51 is set.
  • lamp filaments 52 and 53 of the discharge lamp 5 are additionally heated by the heating power being correspondingly increased by the ballast 4.
  • a defined increase in temperature of the InAgHg source 51 can then be achieved, since a defined thermal coupling between an increase in the heating power and the resulting heating of the lamp filaments 52 and 53 on the one hand and the temperature increase of the amalgam on the other hand consists.
  • This defined thermal coupling can be made possible based on the known distance between the lamp filaments 52 and 53 to the InAgHg source 51.
  • a second, differently different way of adjusting the temperature of the InAgHg source 51 can take place in that the total power loss of the discharge lamp 5 or of the entire lighting system 3 is reduced.
  • the amalgam temperature can be set by the luminous thermics.
  • the heating power as a function of the temperature and on the other hand, the lamp power as a function of the temperature are shown.
  • the setting of the temperature of the InAgHg source 51 is dependent on a definable deviation of the determined actual temperature of at least one reference temperature.
  • the first reference temperature is given by way of example by a value of 50 ° C.
  • the lamp filaments 52 and 53 are heated when the determined actual temperature of the InAgHg source 51 and thus of the working amalgam is below this first reference temperature.
  • the spiral heating profile in the first exemplary embodiment is identified by the curve III and represents a step profile.
  • the electrical power of the discharge lamp 5 is reduced when the determined actual temperature exceeds a second reference temperature, which in the exemplary embodiment is approximately 75 ° C.
  • a second reference temperature which in the exemplary embodiment is approximately 75 ° C.
  • the vapor pressure-regulating element (InAg 6 ) used in the exemplary embodiment is designed for independent regulation of the mercury vapor pressure.
  • This temperature interval is amalgam-specific and may vary depending on the underlying amalgam.
  • the lamp power at a given actual temperature of the InAgHg source 51 is 100%. If the determined actual temperature exceeds this second reference temperature, the lamp power is reduced. In this first exemplary embodiment, this reduction of the electrical power takes place up to a maximum of 85% of the maximum power. This is achieved at about 85 ° C. If the determined actual temperature of the InAgHg source 51 is greater than this value and thus the temperature difference between the determined actual temperature and the second reference temperature greater, the lamp power is only reduced to 85% of the maximum power. In the diagram of FIG. 5, this lamp performance characteristic is indicated by the line I. In this first embodiment, the power feedback to high temperatures out thus only up to a defined stop, which is not exceeded.
  • the heating of the amalgam by means of the helical heater distinguishes only two states, as shown in the diagram of FIG. 4 by the characteristic III.
  • the heating phase of the discharge lamp 5 after the start of the maximum heating of the lamp filaments 52 and 53 is effective and accelerates the increase in luminous flux.
  • the step profile which is represented by the characteristic III, is merely exemplary. It can also be provided that the upper constant heating power value is less than 100%. Likewise, it can also be provided that the lower constant heating power value is greater than 0%. In a further embodiment it can be provided that in the illustration according to FIG. 3 a temperature sensor 8 is arranged outside the ballast 4, in particular on the discharge lamp 5. Contrary to the arrangement of this temperature sensor 8 outside the discharge lamp 5 can also be provided that this temperature sensor 8 within the discharge lamp 5, in particular on an amalgam carrier, as it is for example in Fig. 1 characterized by the plate-like amalgam carrier is arranged.
  • the temperature detection can be specified.
  • the adjustment of the temperature of the InAgHg source 51 can be made more accurately since, as can be seen from FIGS. 4 and 5, more specific profiles can be used as a basis.
  • the auxiliary heating by means of the helical heating for a defined profile, as shown by the characteristic curve IV be designed to achieve the greatest efficiency or the largest luminous flux. As can be seen, this characteristic IV does not represent a jump profile, but is characterized by a steadily decreasing curve up to the first reference temperature.
  • the specific actual temperature for the adjustment of the explicit heating power is taken into account.
  • the filament heating is then carried out.
  • this characteristic IV is specified as a reference characteristic and stored in the ballast 4, that when the specific actual temperature exceeds the first reference temperature, the heating power is reduced to 0% of the maximum power and thus no additional heating of the lamp filaments 52 and 53 takes place.
  • an individual profile is used as a reference characteristic and stored in the ballast 4.
  • This characteristic Il is shown in the diagram of FIG. It can be seen that when the determined actual temperature exceeds the second reference temperature, and thus about 75 ° C, a reduction in the lamp power depends on how high the determined actual temperature and thus how large the temperature difference between the determined actual temperature and the second reference temperature.
  • the lamp power is also reduced below a predefinable threshold value, as set in the exemplary embodiment 1 by the 85% of the maximum power. Such a stop, to which the lamp power is maximally reduced, is not provided in this second embodiment.
  • the power feedback to high temperatures is thus also by means of an optimized profile to obtain the greatest possible efficiency or maximum luminous flux.
  • the same measures, and thus ways of adjusting the temperature of the InAgHg source 51 are performed when there is an associated defined deviation of the determined actual temperature from at least one reference temperature.
  • a lamp filament heating takes place when a defined type of deviation takes place to the effect that the specific actual temperature falls below a first reference temperature.
  • a different measure is carried out in both embodiments in the form of the lamp power control when a defined second type of deviation takes place to the effect that the specific actual temperature a second reference temperature exceeds.
  • the mercury vapor pressure optimum can be achieved by targeted total power recovery and the resulting cooling of the amalgam.
  • the mercury vapor pressure optimum through a targeted heating of the amalgam over the lamp filaments 52 and 53 long to maintain.
  • the discharge lamp 5 is therefore designed so that the heating of the working amalgam is made possible by means of the lamp filaments 52 and 53 on the basis of a defined thermal coupling between the lamp filaments 52 and 53 and the working amalgam or InAgHg source 51.
  • the lighting system 3 is to be designed so that the ballast 4 is optimally tuned to the discharge lamp 5 and also allows the temperature-dependent Wendelzusammlungung and lamp power control to increase efficiency.
  • the characteristics of the exemplary embodiments shown in FIGS. 4 and 5 are to be used for this purpose.
  • the heating of the working amalgam can be provided by means of the lamp filaments 52 and 53 so that the luminous flux speed can be increased.
  • a further possibility can be provided by the fact that a permanent electrode heating is carried out, whereby by this option a preconditioning before the start of a cold system can be made possible.
  • a faster increase in luminous flux is possible and thus, in particular with amalgam lamps, the delayed start does not occur.
  • the mercury vapor pressure can be increased even before the start of the discharge lamp, and thus the starting characteristic is positive influence.
  • the invention proves to be greater than 80% at a dimming degree.
  • FIG. 6 shows a diagram which shows the luminous flux as a function of the ambient temperature.
  • the characteristic curve A characterizes in this context a known lighting system in which the optimum matching between the discharge lamp 5 and the ballast 4 is not given and the measures for adjusting the temperature of the working amalgam are not possible.
  • the curve B shows the course of the luminous flux according to a lighting system according to the invention 3. It can be clearly seen that a luminous flux gain can be achieved by the additional coil heating at low ambient temperatures and a luminous flux gain through the power feedback control at high ambient temperatures. A very high luminous flux over a significantly extended temperature range can thereby be made possible by the lighting system 3 according to the invention.
  • FIG. 7 a diagram is shown in which the luminous flux is shown as a function of a measuring time.
  • the curve C_0 shows a luminous flux profile of a discharge lamp 1, as shown in FIG. 1 and thus operated without helical heating before starting.
  • the curve C_1 shows a luminous flux profile of such an amalgam lamp according to FIG. 1, when it is used in a lighting system 3 according to the invention and can be operated with a filament heater before starting.
  • An accelerated start-up behavior in such amalgam lamps can be achieved by the coil preheating for a certain time before starting, for example, for 10 minutes.
  • a related control can be made possible for example by a DALI system.
  • the invention enables the greatest possible efficiency for an extended temperature range at nominal luminous flux with discharge lamps, in particular with amalgam and cold spot lamps.
  • an extension of the luminous flux nominal range to low temperatures, in particular less than 25 ° C. can be achieved.
  • an extension of the luminous flux nominal range at high temperature ranges greater than or equal to 25 ° C can be made possible.

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  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

L'invention concerne un système d'éclairage comportant une lampe à décharge (5) présentant une source de Hg (51) à partir de laquelle du mercure s'évapore lors du fonctionnement de la lampe à décharge, le système d'éclairage comportant également un ballast électronique (4) destiné à l'utilisation de la lampe à décharge (5). Ledit système d'éclairage comporte également des éléments (7, 8) de détection de valeurs de température permettant de déterminer la température réelle de la source de Hg (51), la température réelle déterminée étant comparée à au moins une température de référence, et la température de la source de Hg (51) pouvant être réglée en fonction de la comparaison. L'invention concerne également un procédé d'utilisation d'un système d'éclairage comportant un ballast électronique.
PCT/EP2007/056867 2006-07-20 2007-07-06 Système d'éclairage comportant une lampe à décharge et un ballast électronique et procédé d'utilisation d'un système d'éclairage WO2008009571A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07787150A EP2044614A2 (fr) 2006-07-20 2007-07-06 Système d'éclairage comportant une lampe à décharge et un ballast électronique et procédé d'utilisation d'un système d'éclairage
CN200780027528.6A CN101490796B (zh) 2006-07-20 2007-07-06 带有放电灯和电子镇流器的照明系统以及用于驱动照明系统的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006033672.0 2006-07-20
DE200610033672 DE102006033672A1 (de) 2006-07-20 2006-07-20 Beleuchtungssystem mit einer Entladungslampe und einem elektronischen Vorschaltgerät und Verfahren zum Betreiben eines Beleuchtungssystems

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WO2008009571A2 true WO2008009571A2 (fr) 2008-01-24
WO2008009571A3 WO2008009571A3 (fr) 2008-03-20

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CN (1) CN101490796B (fr)
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WO (1) WO2008009571A2 (fr)

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EP2853137A4 (fr) * 2012-05-21 2016-04-13 Hayward Ind Inc Système de ballast de lampe à rayonnement ultraviolet dynamique
US10269552B2 (en) 2015-05-18 2019-04-23 Zed Ziegler Electronic Devices Gmbh Gas discharge lamp and a device for controlling the temperature thereof

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DE102011006708A1 (de) 2011-04-04 2012-10-04 Osram Ag Entladungslampe, insbesondere Quecksilber-Niederdruckentladungslampe
DE102011006700A1 (de) 2011-04-04 2012-10-04 Osram Ag Entladungslampe, insbesondere Quecksilber-Niederdruckentladungslampe, sowie Verfahren zum Herstellen einer Entladungslampe
CN106873669B (zh) * 2017-02-21 2019-07-16 江汉大学 一种用于温室的照明装置
HUE062894T2 (hu) * 2018-01-24 2023-12-28 Xylem Europe Gmbh Germicid amalgámlámpa hõmérséklet-érzékelõvel az optimalizált mûködtetéshez

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CN101490796B (zh) 2012-07-04
WO2008009571A3 (fr) 2008-03-20
CN101490796A (zh) 2009-07-22
DE102006033672A1 (de) 2008-01-24

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