EP2201822A2 - Procédé et système d'éclairage de secours - Google Patents

Procédé et système d'éclairage de secours

Info

Publication number
EP2201822A2
EP2201822A2 EP08830552A EP08830552A EP2201822A2 EP 2201822 A2 EP2201822 A2 EP 2201822A2 EP 08830552 A EP08830552 A EP 08830552A EP 08830552 A EP08830552 A EP 08830552A EP 2201822 A2 EP2201822 A2 EP 2201822A2
Authority
EP
European Patent Office
Prior art keywords
lamp
emergency
voltage
minimum operating
emergency lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08830552A
Other languages
German (de)
English (en)
Inventor
Gunnar Krokeide
Ulrich Baustian
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.)
Per Flucht und Rettungsleitsysteme GmbH
Original Assignee
Per Flucht und Rettungsleitsysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Per Flucht und Rettungsleitsysteme GmbH filed Critical Per Flucht und Rettungsleitsysteme GmbH
Publication of EP2201822A2 publication Critical patent/EP2201822A2/fr
Withdrawn legal-status Critical Current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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Definitions

  • the invention relates to a method for operating an emergency lighting system, an emergency lighting system and an emergency lamp.
  • Battery - buffered lamps such as those used for emergency lighting in buildings, ships, aircraft, etc., need a permanent connection to the mains, which ensures that the batteries of the lamps are kept constantly charged, so that they are in.
  • Emergency i. In case of power failure, can take over the power supply of the lamps, and at the same time uses the power failure as a signal to operate the lamp with the battery.
  • Object of the present invention is to provide an emergency lighting, in which the disadvantages of the prior art avoided and in particular can be dispensed with an additional cabling and attachment of additional lights. Summary of the invention
  • the invention provides in a first aspect, a method for operating an emergency lighting system, wherein at least one standard lamp with a first minimum operating voltage and at least one emergency lamp with a second minimum operating voltage via at least one at least partially common electrical line are supplied with electric current, and wherein upon actuation of a switching means, the at least one emergency lamp and the at least one standard lamp are subjected to a voltage which is below the first minimum operating voltage.
  • the invention provides an emergency lighting system comprising a voltage source, a switching means and at least one standard lamp having a first minimum operating voltage and at least one emergency lamp having a second minimum operating voltage, wherein the at least one standard lamp and the at least one emergency lamp over min. at least an at least partially common electrical line are connected, and wherein a voltage reducer is provided which reduces the voltage of the voltage source on actuation of the switching means that the at least one emergency lamp and the at least one standard lamp are subjected to a voltage below the first minimum operating voltage lies.
  • the invention provides an emergency lamp for use in a method according to the first aspect of the invention or an emergency lighting system according to the second aspect of the invention, wherein the emergency lamp comprises at least one light emitting diode (LED), a photosensor and one with the photograph - sensor, and wherein the emergency lamp is constructed and configured to be used in a standard lamp.
  • the emergency lamp comprises at least one light emitting diode (LED), a photosensor and one with the photograph - sensor, and wherein the emergency lamp is constructed and configured to be used in a standard lamp.
  • LED light emitting diode
  • any light source such as a light bulb, a fluorescent tube or a light emitting diode (LED), referred to.
  • a luminous means comprising at least one light-emitting element, e.g. a light-emitting diode or the like, as well as further electronic components for controlling the at least one light-emitting element, is referred to here as a lamp.
  • a lamp may also include a power supply with a voltage reducer and / or voltage transformer that is either structurally integrated into the lamp, i. received in the lamp body, or externally, i. can be housed outside the actual lamp body.
  • the term "energized" or a phrase corresponding to its content also includes the application of voltage to an internal or external power supply of a lamp.
  • standard lamp here refers to a lamp that is used to illuminate a surface or a room in the normal case, for example, if a very bright, for example, the daylight largely corresponding illumination should be achieved.
  • a standard lamp is not intended and designed to provide light in an emergency, ie in the event of a power failure.
  • a standard lamp understood a lamp that is not intended for a battery backup or not battery-operated operated.
  • an emergency lamp is intended here to denote a lamp intended for emergency operation, i. in the event of a power failure and / or for times or spaces where full, standard or normal lighting is not required or desired, e.g. during the night or other rest periods, in basements, storage rooms, garages etc.
  • an emergency light is understood to mean a battery-buffered lamp.
  • An emergency light is often designed so that it does not have the energy requirements of a standard lamp and does not reach the luminous intensity of a standard lamp, but only a light intensity, which allows people in a emergency or in the dark, a visual orientation.
  • luminaire here refers to a device which carries or receives a light source (a lamp) and establishes the connection to the electrical power source.
  • An "emergency light” is to be understood here as meaning, in particular, a luminaire which comprises or accommodates an emergency lamp, in particular a battery-buffered lamp.
  • the battery can be integrated into the bulbs of the emergency or be provided outside the lamp in the lamp body.
  • standard lamp is intended to denote a lamp in which a standard lamp can be operated or is operated.
  • a “standard lamp” is understood to mean a lamp which has no battery-buffered illuminant.
  • battery-buffered refers to the fact that a power consumer, here usually a light source, is electrically connected to an accumulator and draws electricity from the accumulator or, if appropriate, can depend on the occurrence of certain conditions such as a power failure.
  • a “nominal voltage” or “nominal operating voltage” is to be understood here as meaning the value of the electrical voltage (in volts) intended for normal operation or normal use of an electrical consumer or a voltage source.
  • the nominal voltage of the power supply network customary in a state is also referred to here as "mains voltage".
  • the mains voltage is for example in Germany and most European countries 230 volts. In the United States, the line margin is 117 volts.
  • operating voltage is used here for the voltage (in volts) applied to an electrical or electronic circuit or an electrical consumer, eg a lamp.
  • Minimum operating voltage is the voltage (in volts) which is at least necessary for the operation of an electrical or electronic circuit or an electrical consumer.
  • the minimum operating voltage of a lamp for example, the voltage that the lamp for emitting light or to deliver the intended or desired Amount of light stimulates.
  • the term should also be understood to include a minimum voltage which is sufficient both for the generation of light and for the charge or charge retention of the battery (s).
  • input voltage or “minimum input voltage” is used here, this refers to the operating voltage or minimum operating voltage at the input of a voltage reducer, voltage transformer or the like, unless otherwise stated in the context Power supply is present or required.
  • a “power supply” is understood here to mean an electronic component which supplies an electrical consumer with a different voltage and / or different current than is available at the input of the power supply.
  • rated voltage rated operating voltage
  • mains voltage operating voltage
  • operating voltage minimum operating voltage
  • input voltage minimum input voltage
  • the invention provides a method for operating an emergency lighting system, wherein at least one standard lamp with a first minimum operating voltage and at least one emergency lamp with a second minimum operating voltage supplied via at least one at least partially common electrical line with electric current be, and wherein upon actuation of a switching means, the at least one emergency lamp and the at least one standard lamp are subjected to a voltage which is below the first minimum operating voltage.
  • the invention makes use of the different voltage ranges in which standard lamps, eg fluorescent tubes, and emergency lamps work.
  • Standard lainpings require a significantly higher operating voltage than emergency lighters, so that falls below a certain minimum voltage, the standard lamp goes out even though it is still charged with a voltage, while an emergency lamp at this voltage lights or at least the batteries of the emergency lamp continue to be supplied with the necessary voltage ,
  • an existing lighting system can be maintained largely unchanged, without requiring the laying of additional cables for the supply of emergency lamps.
  • Fluorescent tubes for example, require a minimum operating voltage of slightly more than half the rated operating voltage (230 V). So it is sufficient to reduce the voltage to 100 V, for example. This voltage would not be enough to make the fluorescent tubes glow, but would be more than sufficient to operate the emergency lights. In the context of the present invention, it is preferred if there is a sufficient difference between the two minimum operating voltages.
  • the second minimum operating voltage in the method according to the invention is at most 98%, preferably at most 97%, preferably at most 96%, preferably at most 95%, preferably at most 90%, at most 85%, at most 80%, at most 70%, not more than 60%, not more than 50%, not more than 40%, not more than 30%, not more than 20%, not more than 10% and more preferably not more than 5%, not more than 4%, not more than 3%, not more than 2% or not more than 1% of the first minimum operating voltage.
  • At least one battery-buffered emergency lamp is used.
  • an emergency lamp can also be operated without battery backup, for example in the event that it is merely to ensure that rooms or areas undergo a minimum lighting, without it being necessary to provide lighting for a power failure as well.
  • emergency lights will have a battery backup in order to be prepared even in the event of a power failure.
  • the method can be designed so that both the energy for the generation of light and the energy for charging the battery or is provided (continuous operation), or designed so that only the energy to charge the / the battery or to maintain charge of the / the battery is provided (standby mode).
  • a preferably battery-buffered emergency lamp which comprises at least one light-emitting diode (LED). LEDs are comparatively bright, but require relatively little energy.
  • the emergency lamp comprises a plurality of LEDs.
  • the at least one emergency lamp and the at least one standard lamp are subjected to a voltage which is above the second minimum operating voltage, i. the minimum operating voltage of the emergency lamp is.
  • the emergency lamp is operated in continuous operation.
  • the reduced voltage is no longer sufficient to make the standard lamp glow, it is sufficient to make the emergency light come on.
  • the operating voltage be chosen to be high enough to supply the power for both light generation, e.g. by the LEDs, as well as for the charge or charge retention of the battery or sufficient.
  • At least one emergency lamp is used, which is suitable and designed for operation in a standard lamp.
  • the emergency lamp may be constructed and configured to be inserted into and operated in a standard fluorescent lamp.
  • a lighting system can be made uniform, for example, without separate lines for emergency lights and emergency to shine.
  • the emergency lamps can be operated next to or in place of standard lamps in standard lamps.
  • a gas discharge lamp preferably a fluorescent lamp
  • a fluorescent lamp is preferably used as the standard lamp.
  • Fluorescent lamps e.g. Fluorescent tubes, are widely used and often found in office, government buildings, etc. often as light bulbs.
  • the present invention is particularly intended to facilitate the retrofitting of such powered with fluorescent lamps lighting systems with emergency lights or even to allow.
  • the average brightness of the at least one emergency lamp is monitored electronically and kept substantially constant. This is particularly useful when one or more LEDs are used to generate light. LEDs lose their brightness during their lifetime. This depends mainly on the operating temperature, which in turn depends on the applied electrical power.
  • the emergency lamp can initially be operated with a power reduced so far that the brightness just barely has the desired value or just above it, eg in rooms the minimum brightness required by the corresponding standard is achieved on the ground.
  • the average brightness generated by the emergency lamp can be detected with the aid of a photosensor.
  • a control circuit provided in a controller can ensure that this brightness is achieved as long as holds until the light output capability of the LEDs has dropped so far that no readjustment is possible.
  • Post-adjustment options are known to the person skilled in the art and include, for example, increasing the average voltage applied to the LEDs, for example by broadening the pulses. In this way, the life of the lamp during which it emits light with the desired strength, considerably extended. This mechanism, which also makes it possible, if necessary, to compensate for the complete failure of one or more LEDs is provided in particular in continuous operation. In an emergency, however, it is preferred that the emergency lamp emits the full brightness. Since the emergency but rarely occurs, the life of the LEDs is not shortened.
  • an automatic total current monitoring is performed in the at least one emergency lamp.
  • this summation current monitoring which can also be made for example by the above-mentioned controller, the operating state of the emergency lamp can be determined.
  • the failure of one or more LEDs can be detected.
  • the battery capacity can be controlled by automatically simulating a power failure by measuring battery voltage and lamp brightness.
  • the aforementioned controller can be used.
  • the at least one emergency lamp automatically performs a self-test on external request or at regular intervals and / or transmits operating data a central unit. This will ensure that the emergency light works reliably.
  • the transmission of the data is carried out by radio. This avoids the laying of cables for monitoring the emergency leash.
  • the invention provides an emergency lighting system comprising a voltage source, a switching means and at least one standard lamp with a first minimum operating voltage and at least one emergency lamp with a second minimum operating voltage, wherein the at least one standard lamp and the at least one emergency lamp over at least one at least partially common electrical line are connected, and wherein a voltage reducer is hen hen the actuation of the switching means, the voltage of the voltage source so far reduced that the at least one emergency lamp and the at least one standard lamp are subjected to a voltage below the first minimum operating voltage lies.
  • the switching means may be a manual or automatic switching means.
  • the emergency lighting system according to the invention has the particular advantage that existing lighting systems can be converted into an emergency lighting system or supplemented by an emergency lighting system without the need for a new laying of cables for the power supply of the lights.
  • a voltage reducer preferably a transformer or an autotransformer, which may be integrated in the vicinity of a light switch in the supply line (s) for the lighting system, the voltage is reduced when the switch is operated so far that the emergency lamp (s) and the Standard lamp (s) with a voltage is applied, which is below the first minimum operating voltage of the standard lamp (s), which results in that the emergency lamps (s) is (are) supplied with a voltage sufficient to bring the emergency lamp (s) to light and / or sufficient to provide the required battery charge current or battery charge current.
  • the difference between the first minimum operating voltage and the second minimum operating voltage is at least so great that the tolerance ranges of the minimum operating voltages do not overlap each other.
  • the second minimum operating voltage is at most 98%, preferably at most 97%, preferably at most 96%, preferably at most 95%, preferably at most 90%, at most 85%, at most 80%, at most 70%, at most 60%, at most 50%, at most 40%, at most 30%, at most 20%, at most 10%, and most preferably at most 5%, at most 4%, at most 3%, at most 2% or at most 1% of the first minimum operating voltage.
  • the emergency lamp may have a power supply with a voltage reducer and / or voltage transformer to further reduce and / or convert the voltage applied to the emergency lamp as needed, e.g. from AC voltage to DC voltage.
  • the second minimum operating voltage then corresponds to the minimum input voltage of the power supply.
  • the power supply can be integrated into the emergency lamp or provided externally.
  • the at least one emergency lamp is a battery-buffered emergency lamp.
  • the accumulator which is integrated in the emergency lamp or in the luminaire can see in the event of a power failure, the power for the operation of the emergency lamp ready and provide in case of power failure for emergency lighting.
  • each emergency lamp has one or more batteries integrated, also an external battery (eg in the light) or a central battery, to which a plurality of emergency lights are connected, may be provided.
  • the battery-buffered emergency lamp comprises at least one light-emitting diode (LED).
  • LED light-emitting diode
  • the presence of several LEDs is preferred.
  • the voltage reducer is designed so that upon actuation of the switching means, the voltage of the voltage source is reduced so far that the at least one emergency lamp and the at least one standard lamp are subjected to a voltage which is above the second minimum operating voltage.
  • This embodiment is intended for continuous operation.
  • the reduced voltage is in the case of battery backup the emergency lamp dimensioned so that both the required for the generation of light power and the required for the charge or charge retention of the battery power is provided.
  • the at least one emergency lamp is suitable and designed for operation in a standard lamp.
  • the emergency lamp can be designed and designed such that it can be used and operated instead of a fluorescent lamp in a conventional fluorescent lamp.
  • the standard lamp is preferably a gas discharge lamp, particularly preferably a fluorescent lamp, for example a commercially available fluorescent tube.
  • Such an emergency lighting system can be easily prepared on the basis of an existing standard lighting system.
  • the previous fluorescent tubes are at least partially replaced by appropriately designed emergency lights. It is also conceivable to replace all standard lamps, for example fluorescent tubes, with emergency lamps if the emergency lamps are designed so that they contain a standard lamp integrated. For this purpose, one part of the lamp body could be used to provide a standard lamp while another part of the same lamp body is used to form the emergency lamp.
  • the emergency lamp comprises a photosensor.
  • the emergency lamp moreover preferably comprises a controller which is electrically connected to the photosensor and which is designed so that the mean brightness of the emergency lamp can be electronically monitored and / or monitored
  • the emergency lamp has an electronic summation current monitoring unit.
  • a summation current monitoring unit can eg the failure of one or more LEDs of the emergency lamp are detected.
  • the emergency lamp comprises a radio module, via which, for example, operating data and / or system parameters of the emergency lamp can be transmitted to an external central unit. Moreover, the provision of such a radio module, e.g. To initiate tests from the external central unit or to update the program of the lamp.
  • the emergency lamp may comprise a power supply in the emergency lighting system according to the present invention, which can be operated at an operating voltage (input voltage), which is preferably in the widest possible voltage range.
  • the voltage range comprises at least a range from the mains voltage (including a tolerance range of + 10%) to a voltage of at least 70%, at least 60%, at least 50%, at least 40%, at least 30%, at least 25%, at least 20% or at least 15% of the mains voltage.
  • the input voltage range includes a voltage range of about 264V (line voltage 240V + 10%) to 66V.
  • a preferred voltage range is a range of 250V to 75V.
  • the present invention also relates to an emergency lamp for use in a method according to the first aspect of the invention or in an emergency lighting system according to the second aspect of the invention, wherein the emergency lamp at least one light emitting diode (LED), a photosensor and a includes controllers connected to the photosensor, and the emergency lamp being constructed and designed to be suitable and designed for operation in a standard lamp.
  • the emergency lamp at least one light emitting diode (LED), a photosensor and a includes controllers connected to the photosensor, and the emergency lamp being constructed and designed to be suitable and designed for operation in a standard lamp.
  • LED light emitting diode
  • the emergency lamp according to the invention enables the simple conversion or retrofitting of existing lighting systems to an emergency lighting system or to a combined standard / emergency lighting system.
  • the emergency lamp according to the invention is designed, for example, so that it can be used in a standard fluorescent light and operated there.
  • the at least one light-emitting diode of the emergency lamp according to the invention is preferably electrically connected to at least one accumulator.
  • the at least one accumulator is preferably integrated in the lamp body. In the event of a failure of the power supply can be ensured that the emergency lamp is powered to emit light.
  • a radio module is provided.
  • the radio module which is preferably integrated in the lamp body of the emergency lamp, enables the emergency lamp to make a radio connection with an external central unit via which data, eg operating data, system parameters, error messages, etc., can be transmitted.
  • the emergency lamp can be supplied via the radio link with program updates.
  • a test program can be triggered.
  • the resulting test data can in turn be sent to the central unit.
  • the minimum operating voltage of the emergency lamp is below the minimum operating voltage of a standard lamp.
  • the minimum operating voltage of the emergency lamp is at most 98%, preferably at most 97%, preferably at most 96%, preferably at most 95%, preferably at most 90%, at most 85%, at most 80%, at most 70%, at most 60%, not more than 50%, not more than 40%, not more than 30%, not more than 20%, not more than 10% and more preferably not more than 5%, not more than 4%, not more than 3%, not more than 2% or not more than 1% of the minimum operating voltage of the standard lamp.
  • the controller is designed such that the average brightness of the emergency lamp can be electronically monitored and / or kept substantially constant. This can be a possible
  • an electronic summation current monitoring unit is preferably provided.
  • this summation current monitoring unit for example, the failure of one or more LEDs can be detected. Such a failure may e.g. trigger an error message that can be forwarded to the central unit via the radio module mentioned above.
  • the emergency lamp according to the present invention may comprise a power supply which may be operated at an operating voltage (input voltage) which is preferably in a possibly wide voltage range.
  • the voltage range comprises at least a range of the mains voltage (including a tolerance range of + 10%) up to a minimum voltage of 70%, at least 60%, at least 50%, at least 40%, at least 30%, at least 25%, at least 20% or at least 15% of the mains voltage.
  • the input voltage range includes a voltage range of about 264V (line voltage 240V + 10%) to 66V.
  • a preferred voltage range is a range of 250V to 75V.
  • Fig. 1 is a greatly simplified schematic representation of an emergency lighting system according to the invention.
  • Fig. 2 shows an emergency lamp according to the invention in plan view from above (left) and below (right).
  • Fig. 3 is an emergency lamp according to the invention in a perspective view.
  • Fig. 1 shows a very much simplified schematic representation of the emergency lighting system according to the invention.
  • the emergency lighting system here has a standard lamp 1 and an emergency lamp 2, which is shown here symbolically as an LED on.
  • the standard lamp 1 and the emergency lamp 2 are acted upon via at least partially common lines 3, 4 by a voltage source 5 with the voltage Ui when the switch 7 is in the dotted position shown (7b).
  • a transformer 6 is provided, via which the voltage U 1 is reduced to the voltage U 2 when the switch 7 is brought into the position shown in dashed lines (7 a). In this case, the standard lamp goes out 1, because the voltage U 2 is no longer sufficient to make them shine.
  • the voltage U 2 is sufficient to bring the emergency lamp 2 to light or to supply the accumulator with sufficient charge current or Ladungseratoms- ström.
  • the emergency lamp 2 is, as well as the standard lamp 1, operated in a standard lamp.
  • the transformer 6 is provided in the vicinity of the switch 7.
  • the transformer 6 is designed for the performance of the emergency lamp 2, since only the emergency lamp 2 is supplied with energy.
  • the design of the transformer 6 is dependent on whether the emergency lamp 2 is to be operated in continuous operation or only in emergency mode, ie in the event of a power failure.
  • the battery current or, if necessary, the battery charge sustaining current must be supplied to the LED current.
  • emergency mode only the battery charge current or battery charge current must be supplied, so that the transformer output can be correspondingly lower.
  • the battery charge current is, for example, about one third of the LED current, the battery charge sustaining current, which is achieved after a charge time of 16 hours, for example, only about 1/100 of the LED current.
  • the standard lamp is a fluorescent lamp with a nominal operating voltage of 230 V
  • the voltage at about half the nominal operating voltage is usually no longer sufficient to make the fluorescent tube light up.
  • the emergency light provided with a power supply operates in a very wide input voltage range, the lower limit of which can be significantly less than half the nominal operating voltage of the fluorescent tube.
  • An operating voltage of 100 V is generally below the minimum operating voltage of a fluorescent tube, but above half of the minimum operating voltage of the emergency lamp so that it lights up while the fluorescent tube goes out or does not even begin to light up.
  • Fig. 2 shows an emergency lamp 2 according to the invention, which is designed so that it can be installed in a standard fluorescent lamp.
  • the regularly provided glass or plastic body is not shown.
  • the emergency lamp 2 has an integrated power supply unit 8, a fuse 9 and batteries 10.
  • a circuit board 11 with a controller 12 and a radio module 13 is housed in the emergency lamp 2.
  • the controller 12 is electrically connected to a photosensor 18.
  • the photosensor 18 is provided between two LEDs.
  • contacts 14, 15, the emergency lamp 2 can be used in a standard fluorescent light.
  • An LED strip 16 is equipped with LEDs 17, which are connected to the power supply 8 and the battery 10, so that in case of failure of the power supply, the batteries 10 can provide the necessary energy to operate the LEDs 17.
  • the LEDs 17 are supplied with DC voltage, eg 5V.
  • the power supply unit 8 is able to reduce an operating voltage (input voltage) applied to the emergency lamp to the supply voltage of the LEDs and, if necessary, to generate the required DC voltage.
  • the brightness control and the tests that control the battery capacity are performed at regular intervals by the controller 12. They can also be triggered by manual contact of a built-in reed contact with a telescopic magnet rod.
  • the display of faulty test results is pulse width or frequency encoded via a multicolor status LED.
  • Fig. 3 shows a perspective view of the emergency lamp 2 of Fig. 2. Corresponding or the same components are identified by the same reference numerals.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

L'invention a pour but de fournir un système d'éclairage de secours permettant de ne pas avoir à recourir, en particulier, à un câblage supplémentaire et à l'installation de points d'éclairage supplémentaires. A cet effet, l'invention a pour objet un procédé permettant de faire fonctionner un système d'éclairage de secours, caractérisé en ce qu'au moins une lampe standard ayant une première tension de fonctionnement minimale, et au moins une lampe de secours ayant une seconde tension de fonctionnement minimale sont alimentées en courant électrique via un conducteur électrique au moins partiellement commun, et en ce que, par actionnement d'un interrupteur, une tension est appliquée à au moins une lampe de secours et à au moins une lampe standard, tension qui est inférieure à la première tension de fonctionnement minimale. L'invention concerne également un système d'éclairage de secours et une lampe de secours.
EP08830552A 2007-09-12 2008-09-11 Procédé et système d'éclairage de secours Withdrawn EP2201822A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007043416A DE102007043416B4 (de) 2007-09-12 2007-09-12 Notbeleuchtungsverfahren und -system
PCT/DE2008/001518 WO2009033471A2 (fr) 2007-09-12 2008-09-11 Procédé et système d'éclairage de secours

Publications (1)

Publication Number Publication Date
EP2201822A2 true EP2201822A2 (fr) 2010-06-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08830552A Withdrawn EP2201822A2 (fr) 2007-09-12 2008-09-11 Procédé et système d'éclairage de secours

Country Status (3)

Country Link
EP (1) EP2201822A2 (fr)
DE (3) DE102007043416B4 (fr)
WO (1) WO2009033471A2 (fr)

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EP3560293A1 (fr) * 2016-11-11 2019-10-30 GOOEE Limited Système et procédé de prédiction d'espérance de vie d'appareil d'éclairage d'urgence

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WO2009033471A3 (fr) 2009-05-22
DE202008018287U1 (de) 2012-07-25
DE102007043416B4 (de) 2009-09-17
DE112008003092A5 (de) 2010-08-12
DE102007043416A1 (de) 2009-04-02
WO2009033471A2 (fr) 2009-03-19

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