WO2016174216A1 - Éclairage de secours et son procédé de fonctionnement - Google Patents

Éclairage de secours et son procédé de fonctionnement Download PDF

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Publication number
WO2016174216A1
WO2016174216A1 PCT/EP2016/059635 EP2016059635W WO2016174216A1 WO 2016174216 A1 WO2016174216 A1 WO 2016174216A1 EP 2016059635 W EP2016059635 W EP 2016059635W WO 2016174216 A1 WO2016174216 A1 WO 2016174216A1
Authority
WO
WIPO (PCT)
Prior art keywords
emergency
lamp
illuminance
lighting
initial
Prior art date
Application number
PCT/EP2016/059635
Other languages
German (de)
English (en)
Inventor
Anja Frohnapfel
Birthe Tralau
Original Assignee
Zumtobel Lighting 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 Zumtobel Lighting Gmbh filed Critical Zumtobel Lighting Gmbh
Publication of WO2016174216A1 publication Critical patent/WO2016174216A1/fr

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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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient 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
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the invention relates to a luminaire, a lighting system and method for operating such a luminaire or such a lighting system in an emergency.
  • the invention relates to a special procedure for activating an emergency light in the event of an emergency or emergency operating state.
  • Emergency lights are known.
  • the luminaires concerned are operated according to the corresponding standard.
  • the required illuminance levels of the luminaires are provided, for example, in the order of magnitude of 1 lux, 3 lux or 5 lux in the time required by the standard after the emergence of the emergency.
  • an optimized light distribution for an application z is provided, for example, in the order of magnitude of 1 lux, 3 lux or 5 lux in the time required by the standard after the emergence of the emergency.
  • a corridor For example, be provided for a corridor, a surface, a door and the like.
  • the standard stipulates that with the help of the emergency lighting a certain minimum brightness is to be achieved, which in particular allows people to safely find, for example, an escape route from a building or to be able to orient themselves generally.
  • this prescribed minimum brightness is relatively low and leads in particular to problems when it is suddenly changed from a normal lighting to the emergency lighting.
  • the adaptation of the human eye usually can not follow this jump in brightness as quickly. This means that the emergency lighting is perceived as dark at least immediately after switching to the associated emergency lighting level, and possibly also making orientation difficult for people.
  • the object of the invention is therefore to improve this emergency lighting systems.
  • the luminaire is provided to provide an emergency lighting with a predetermined emergency lighting intensity in an emergency operating state.
  • the emergency lighting intensity is the illuminance of the luminaire prescribed, for example, by a standard, to be achieved in an emergency. However, it can also be defined by an emergency level to be reached in an emergency, which corresponds to the emergency lighting intensity of the luminaire.
  • the method includes activating the emergency mode.
  • the activation of the emergency mode first comprises a step of causing the lamp to emit light with an increased initial intensity in comparison to the predetermined emergency illuminance. Ie. the luminaire lights up more than the emergency lighting standard specifies, the initial lighting intensity is higher than the emergency lighting intensity of the luminaire.
  • the method according to the invention may further comprise a step of operating the luminaire in a normal lighting mode.
  • the lamp is operated at a predetermined normal illuminance higher than the initial illuminance.
  • the luminaire is not only equipped for emergency lighting but also for normal lighting.
  • the normal illuminance of the luminaire can vary depending on the application. For a corridor without a window, the illuminance may be higher than in a room with windows if it is sufficiently bright outside the building. Also, the illuminance of the luminaire may change when its ambient brightness changes. In that case, the activation of the emergency operation state prior to the step of causing the light to emit light with the initial lighting level further comprises a step of leaving the normal operation mode.
  • the initial lighting intensity is thus between the normal illuminance and a predetermined emergency lighting intensity of the lamp.
  • the scenario can provide that between the at least three illuminance levels, that is from the normal illuminance to the at least one initial illuminance and, after a certain time, from this to the emergency illuminance is switched. Instead of hard switching, a down regulation may be provided so that the next lower lighting level is gradually reached. But there are also many other scenarios imaginable. This method has the advantage that for emergency lighting not extra lights must be provided, but it can be used already existing. This has advantages in a possible retrofitting, since only the control of the lamp but not the lamp itself must be changed or even replaced.
  • Each of the aforementioned methods may provide that the luminaire is operated according to the initial illuminance for an associated, predetermined period of time.
  • the downward control of the lamp on the emergency lighting intensity after expiry of the associated, predetermined period of time is preferably carried out immediately.
  • this control is done indirectly, via one or more intermediate illuminance levels.
  • each septumeuchtungsches between the illuminance, with which the lamp was operated immediately before, and the emergency lighting level There is thus a gradual darkening of the environment, which is to be illuminated by the lamp. This improves the adaptation of the human eye to the increasing darkness.
  • the aforesaid scenario preferably comprises controlling the luminaire down to the emergency lighting luminance from the illuminance with which the luminaire was operated immediately before, in a predetermined down control period.
  • This down-time allows a gradual lowering of the luminance generated by the luminaire and thus additionally improves the adaptability of the human eye.
  • the downshifting of the luminaire may take place according to a predetermined logarithm.
  • Each of the foregoing methods may include, prior to the step of causing the luminaire to emit light having the initial illuminance, a step of adjusting the initial illuminance in response to an ambient brightness with respect to the luminaire.
  • This has the advantage of being able to prevent the luminaire with the initial illuminance from shining brighter than normal illumination. Otherwise, this could lead to the phenomenon that the surroundings of the luminaire would suddenly become brighter when activating the emergency operating state than was the case immediately before, and then darker again. This could lead to irri- lead.
  • This refinement can serve to achieve a more pleasant brightness at the beginning of the emergency operating state by the luminaire. Ie.
  • the luminaire in the event that a somewhat reduced brightness was present anyway before the emergence of the emergency, the luminaire can already be started with a lower initial illuminance. Ultimately, however, then the emergency lighting is lowered independently of the initial lighting intensity over time to the preferably prescribed by law value.
  • the initial illumination intensity is preferably set by sensory detection of the ambient brightness of the luminaire. On the basis of the detected ambient brightness, a control value corresponding to the initial lighting intensity is set.
  • a mapping table may be provided in which predetermined initial illumination intensity control values belonging to specific brightness values are stored.
  • the setting of the initial illumination intensity according to the invention is preferably performed according to a predetermined detection algorithm, preferably periodically repeated. This prevents the sensor from functioning properly when the emergency mode is activated, making it impossible to set the initial brightness level. On the other hand, this has the advantage of being able to determine if the sensor malfunctions before the emergency occurs. Thus, for example, an alarm can be issued, which informs about the defective sensor.
  • the setting may be carried out immediately before the step of causing the lamp to emit light having the initial illuminance. As a result, the luminaire can be adapted directly to the ambient conditions occurring in the event of an emergency.
  • the method according to the invention can also be designed to operate a plurality of the aforementioned luminaires in each case according to one of the aforementioned methods.
  • the invention can be extended to entire building areas or complexes.
  • the initial illuminance for each luminaire has the same value. This is particularly favorable for lighting larger areas such as a corridor or room.
  • a brightness sensor in order to set the initial lighting intensity for the lamps of a room, a brightness sensor must be arranged only at the preferably darkest point of the room to be illuminated. Its sensor value is used to set the initial lighting level of all luminaires in the room.
  • the abovementioned periods for the individual luminaires for maintaining the initial illuminance can have different values relative to each other.
  • the luminaires reach the emergency lighting intensity at different times. This allows, for example, in a corridor, the lights close to an escape door last down to the emergency lighting strength, while other, more distant hall lights are already operated with the emergency lighting.
  • This has the advantage of giving persons an escape route, namely in the direction of the (still) brightly illuminated area. This can be particularly favorable in the case of a smoky corridor.
  • Each of the aforementioned methods can be realized by means of a computer program product. This is designed according to the invention, when executed by a processor, to cause the same processor to execute the respective method.
  • the method can be implemented on a central, remote from the lights computer and thus allows central control of the lights of all possible areas, for example, a building.
  • the activation of the emergency operating state can be realized, for example, along an escape route, for example via floors and stairwells, although the emergency operating state-triggering event has occurred only at one point on or in the building.
  • a luminaire is also provided which, as already stated above, is designed to provide emergency lighting with a given emergency lighting intensity in an emergency operating state. Furthermore, it is set up, upon activation of such an emergency operating state, to be caused to emit light with an increased initial illuminance compared to the predetermined emergency illuminance, and only to adopt the prescribed emergency illuminance at a later time.
  • the luminaire is on the one hand set up to emit light in at least two illuminance levels and thus an environment to illuminate differently. Furthermore, it may itself be made to change the illuminance. Ie. it is not necessary to set the illumination level from outside via the power supply.
  • the luminaire according to the invention therefore, the abovementioned adaptation process of the human eye to an increasing darkness is supported. It is relevant here that the lighting level of the luminaire or its illuminance is not based on a fixed lux value for the emergency lighting (as the standard currently envisages). Rather, this is adapted for increased safety depending on the previously given lighting solution or the currently prevailing ambient brightness with respect to the lamp.
  • the luminaire preferably has at least one luminous means which is set up to operate at different illuminance levels. Ie. one and the same light source is used to generate the different brightnesses. There are neither mechanisms for switching between bulbs different luminous intensity of the same lamp necessary, nor are necessary for each lighting scenario own bulbs, which has a cost-reducing effect.
  • Each of the aforementioned lamps may include a controller configured to operate the lamp as indicated in relation to the methods described above.
  • the control device of the luminaire is preferably coupled to a brightness sensor, which in turn is designed to detect an ambient brightness with respect to the luminaire. On the basis of this sensory detected value, the control device is set to adjust the initial lighting intensity of the lamp, if this is provided in the light. Ie. the luminaire adjusts itself with regard to its initial illuminance. This has the advantage of self-sufficient operation, without having to intervene from outside. In addition, each luminaire can adapt to the current lighting conditions. Further, an illumination system according to the invention is provided which has a plurality of the aforementioned lights. The system also includes one of the control devices specified above. The control device is formed by means of one or more control devices. Each control device is coupled to one or more of the lights of the lighting system driving this. Ie. In the context of the invention, the term "control device" relates only to the functional ability to control the lights, but not necessarily the physical design.
  • the coupling between the control device and the respective lamp can be wired or wireless.
  • the wireless coupling is useful, for example, if the light is not designed for normal lighting. In that case, a connection is only made when the lamp is to be triggered to enter the emergency mode. In that case, the light could also be battery operated.
  • wired communication for example, offers a bus connection, which helps avoid cables.
  • the control device is preferably implemented in accordance with a master-slave principle. Ie. the luminaires or the control devices directly coupled with them represent slaves that can or can be addressed by one or more higher-order master controllers.
  • the invention thus provides that when an emergency occurs at the beginning, the legally stipulated brightness or, respectively, a corresponding level of emergency lighting on the luminaire or luminaires is not set. Instead, the light fixture (s) are preceded by a higher (initial) illuminance, which makes it easier for the human eye to adapt to the new lighting situation faster and more easily. On the basis of this associated increased brightness level, however, the brightness is then reduced until, after a certain time, the legally stipulated brightness level is reached, which corresponds to the abovementioned emergency lighting intensity. Ie. the emergency lighting is not permanently provided with increased brightness but only for a certain period, in order to save as much energy as possible To provide minimum brightness available, so to be operated with the corresponding emergency lighting strength.
  • Reducing the increased emergency brightness, that is to say the aforementioned initial illumination intensity, to the prescribed brightness level can be carried out continuously, for example, according to a logarithmic curve. Other curves for adjusting or reducing the brightness are conceivable.
  • the period over which the lowering takes place can also be selected accordingly, with a period of about one minute having proven to be advantageous, since the human eye can sufficiently adapt to the changed brightness conditions over this period, but at the same time the increased energy consumption is not too big due to the initially higher level of need.
  • FIG. 1 shows a lighting arrangement according to a first embodiment of the
  • FIG. 3 shows a method according to an embodiment of the invention for operating a lighting arrangement, divided into two sub-figures,
  • FIG. 4 shows a luminaire in various operating states, shown in three subfigures,
  • FIG. 5 shows a lighting system according to an embodiment of the invention
  • FIG. 6 shows a lighting arrangement according to a third embodiment of the
  • FIG. 1 shows an arrangement 1 according to a first embodiment of the invention.
  • a luminaire 2 is shown schematically, which is controlled via a driver circuit 6 and a controller 5.
  • the luminaire 2 can be both a luminous means and a complete luminaire, ie, for example, a luminous means in the form of an LED, including a driver circuit which drives them directly.
  • luminaire in the context of the invention is not limited to a structurally formed lighting unit.
  • the controller 5 is coupled to an emergency lighting circuit 4 and a brightness sensor 7.
  • the luminaire 2 is an example of a luminaire that illuminates a room during normal operation. This means that the controller 5 via the driver 6 is able to bring the lamp 2 to illuminate the room.
  • the emergency lighting circuit 4 comes into action, which is equivalent to activating an emergency operating state.
  • the emergency lighting circuit 4 is able, via the coupling with the controller 5 and the driver 6, to activate the lamp 2 in such a way that it is transferred from the lighting stage corresponding to the normal operation or from the normal operating condition to an operating condition in which the lamp 2 with a reduced brightness lights.
  • This brightness is associated with an illuminance that is higher than an illuminance corresponding to emergency lighting, which is also realized by the luminaire 2.
  • the controller 5 is brought by the emergency lighting circuit 4 in the emergency operating state.
  • the controller 5 is exemplarily able to put the lamp 2 via the driver 6 for a predetermined first period of time in an operating state in which the lamp 2 no longer as bright as in the normal operating state, but still brighter than in the emergency lighting condition. If the predetermined time has elapsed, the lamp 2 is operated by the controller 5 such that it is operated only with the emergency lighting intensity and thus illuminates the room according to the predetermined emergency lighting condition. Furthermore, the controller 5 is preferably coupled to the brightness sensor 7.
  • the emergency lighting circuit 4, the controller 5, the driver 6 and the brightness sensor 7 form a control device 3 for the luminaire 2.
  • the controller 5 is preferably set up to interrogate the brightness sensor 7 at predetermined time intervals in order to detect the brightness value occurring at the sensor 7.
  • the brightness sensor 7 is preferably arranged so that it can detect the ambient brightness with respect to the luminaire 2.
  • the emergency lighting circuit 4 is also set up to interrogate the brightness sensor 7 by way of the control 5 in the event of an emergency, in order, if necessary, to set the initial lighting intensity of the light 2 with which the light 2 is operated for the aforementioned period of time.
  • the arrangement 1 shown thus forms an illumination system.
  • FIG. 2 shows an arrangement 1 according to a second embodiment of the invention.
  • an arrangement consisting of a plurality of lights 2, shown schematically, each of which is connected to its own controller 5 and 6, respectively.
  • the numbers of the controls 5, 6 indicate the respective functional affiliation with the respective luminaires 2 or the respective controller 5.
  • the left lamp 2 here is connected to a controller 5 with the number 1. Ie. a driver circuit is missing here, as shown in FIG. This means that the driver circuit can be integrated in either the controller 5 or the luminaire 2, or else such a driver circuit is not necessary, as is the case, for example, with halogen lamps.
  • This controller 5 is connected via a bus line 12 exemplified here to an emergency lighting circuit 4 and a brightness sensor 7.
  • the here three middle lights 2 are coupled via an associated control 6 with the number 2.1, 2.2 or 2.3 to a higher-level control 5 with the number 2, which in turn also connected via the bus 12 to the emergency lighting circuit 4 and the brightness sensor 7 example.
  • the right-hand controller 5 with the number 3 is coupled to two lamps 2, so that it is able to control these two lamps 2 in the example shown.
  • the emergency lighting circuit 4 is able to address the controls 5 individually or completely, so that the respective addressed control 5 can control the connected to this / n light / n 2 or the subordinate controls 6 such that the each directly or indirectly connected lamp 2 is operated with the respective associated initial lighting intensity.
  • the direct switching to the emergency lighting level can be provided, for example, for luminaires 2 which have no lighting function per se, or whose ambient brightness corresponds to the initial illuminance of the respective luminaire 2 or even lower.
  • each controller 5 may be able to change the initial illuminance due to certain conditions or to set its own initial illuminance as a control value.
  • the brightness sensor 7 detects the ambient brightness with respect to the left-hand controller 5 and adjusts its control value according to an initial illumination intensity which is dependent on the ambient brightness.
  • the other controllers 5 set their initial lighting levels to higher values based on this control value. Ie. the left-hand light 2 is darkened more at the beginning than the other lights 2. These are controlled down to the initial lighting intensity of the left-hand light 2 by means of the associated controls 5, 6, for example, after a time period realized by the respectively associated control 5, 6.
  • a database 8 is preferably provided.
  • database is not to be understood as an explicitly existing database with hard disks or the like, but rather is meant to mean that data is stored here to which the emergency lighting circuit 4 has access to perform certain tasks fulfill.
  • the database comprises, for example, a mapping table (preferably in the form of an XML file) which contains a mapping of predetermined brightness values to one or more initial illumination levels for one or more of the controllers 5 and 6, respectively.
  • a mapping table preferably in the form of an XML file
  • the emergency lighting circuit 4 can instruct the controllers 5 and 6 on the basis of the sensor value to locally read out and set the initial lighting intensities based on the data base or even the setting values for the initial lighting intensities for the controllers 5, 6 to the respective control units 5 6 pass on.
  • the emergency lighting circuit can be connected by means uterprogrammhrss be realized or use such a, for example, to set the initial lighting levels.
  • FIG. 3 a shows a method according to an embodiment of the invention for operating the aforementioned luminaires 2.
  • step S2 After a start in a step Sl, it is checked in a step S2 whether an emergency exists. If this is not the case (no branch after step S2), the program jumps back to step S2. If an emergency occurs (yes branch after step S2), is in a subsequent
  • Step S3 is changed to the aforementioned emergency mode by the respective lamp 2 is controlled down to the associated initial lighting intensity.
  • the down-control can be done by switching the illuminance to the initial illuminance. Alternatively, it is also possible to gradually lower the illuminance according to a predetermined down control algorithm.
  • step S4 If the process of the down-control has ended, it is checked in a subsequent step S4 whether the emergency has ended. If it is not completed (no branch after step S4), the program jumps back to step S4.
  • step S4 If the emergency is ended (yes branch after step S4), the system returns to step S2.
  • step S3 The process of the down-control in step S3 is shown in more detail in FIG. 3b.
  • a first step S5 the corresponding lamp 2 is controlled down to a current intermediate level.
  • the current intermediate level corresponds to the above-mentioned initial lighting intensity.
  • a step S6 it is checked whether or not the holding time provided for the current intermediate stage, ie the intended time span, has elapsed. As long as it has not expired (no branch after step S6), the program jumps back to step S6. Otherwise (yes branch after step S6), it is checked in a subsequent step S7 whether further intermediate stages are present.
  • step S7 If there are further intermediate stages (yes branch after step S7), the system sets to the respective further intermediate stage so that it becomes the current intermediate stage. Thereafter, the system jumps back to step S5, so that now in this step, the further, now current intermediate stage is controlled down.
  • the corresponding luminaire 2 is controlled down to the emergency lighting stage in a step S8.
  • the emergency lighting level is the level that is ultimately reached to realize the emergency lighting.
  • FIG. 4 shows a luminaire 2 in three operating states.
  • the luminaire 2 is in the first, normal operating state, and it is assumed that its luminous means 13 is currently lit, as indicated by the number of lines which are shown radiating around the luminous means 13 in the emission direction.
  • the illuminance of the luminaire 2 thus corresponds to the normal illuminance.
  • the illuminance of the luminaire 2 and thus its illuminant 13 is reduced to an illuminance which is the illuminance corresponds.
  • the operating state of the luminaire 2 achieved in this way is shown in FIG. 4b, indicated by means of a lower number of radii around the luminous means 13 in the emission direction relative to FIG. 4a.
  • the shutdown can be abrupt or according to a predetermined course.
  • the course may be linear or non-linear, for example according to a predetermined logarithm.
  • the luminaire 2 and thus its illuminant 13 are shut down to the emergency illuminance.
  • the thus reached emergency operating state of the lamp 2 is shown in Figure 4c, indicated by means of a figure 4b even smaller number of radially around the light source 13 in the emission direction shown lines.
  • This shutdown can also happen abruptly or according to a predetermined course.
  • the course is advantageously the same as the course of the shutdown of the illuminance from the normal illuminance to the initial illuminance.
  • the emergency lighting intensity is advantageously determined according to a standard. Ie. In the case of the luminaire 2 shown in FIG.
  • a luminous means 13 is exemplarily provided which can be operated at different illuminance levels. But it can just as well be provided a plurality of bulbs 13. These then do not have to be dimmable, that is to say they can be operated at different illuminances. It can be provided to switch off when switching to the next lower illuminance individual lamps 13 or shut down in terms of illuminance. This can also be combined with each other. Ie. one part of the lighting means 13 is switched off and another part is shut down with regard to the illuminance.
  • FIG. 5 shows an arrangement 1 for a lighting according to a third embodiment of the invention.
  • a corridor is shown, which is at least not lit by lights 2.
  • the corridor comprises a wall 10 and a floor 1 1.
  • the illustrated block arrows represent escape directions in the corridor in the direction of a rescue door 9.
  • the lights 2 are coupled to a central building, which forms a control device 3.
  • Each lamp 2 may also have its own control, or the central building 3 takes over the control of all lights 2 or groups of lights. 2
  • the lights 2 also serve the illumination of the hallway.
  • the building control center 3 controls the lights 2 in accordance with the emergency operating state in such a way that they are initially switched to the initial lighting intensity specified above or controlled down to it.
  • This period of time increases here from the left and from the right in relation to the rescue door 9 in the direction of the rescue door 9. Ie. the farthest from the door 9 Fixture 2 lights up the shortest with the initial lighting intensity. The luminaire 2 immediately adjacent in the direction of the door 9 lights up comparatively longer with the initial illumination luminous intensity. The periods of time with which the respective luminaire 2 illuminates with the initial illuminance increases successively from luminaire 2 to luminaire 2 in the direction of the door 9.
  • the two luminaires 2 arranged directly adjacent to the rescue door 9 thus illuminate the longest in terms of time with the initial illumination intensity. This means that the brightness, in terms of time, gradually decreases towards the rescue door 9. This is a sign of those who may be in a panic, that the rescue door 9 will be illuminated as long as possible, and a bright spot is always an indication that the person tends to move there. This ensures that the rescue door 9 remains relatively bright as long as possible despite the emergency that has occurred. is lit. Only after expiration of the time period set for the immediately adjacent lights 2, these are also switched to the emergency lighting mode. With this arrangement and this lighting method, it is possible to point the escape route next to possible escape route symbols of the person. This can be very useful especially in smoky rooms or corridors. In particular, this creates a double security. Any persons in the building can still move to the rescue door as they can see the escape route.
  • FIG. 6 shows an arrangement 1 according to a fourth embodiment of the invention.
  • This arrangement consists of a plurality of luminaires 2 with brightness sensors 7 arranged in the vicinity thereof, which are all coupled to a control device 3.
  • a separate brightness control value for the respective initial illumination intensity can be determined for each luminaire 2. This is favorable for the case that the lights 2 are arranged in areas of different ambient brightness. This prevents, for example, the right-hand light 2, which is arranged in a relatively dark area, from being driven by the control value with which, for example, the left-hand light 2 is operated, which is located in a comparatively bright room, so that it has a higher lightness Initial lighting is to operate.
  • the illustrated lights 2 are only schematic and can be in the real world for one or more physically available lights. The same applies to the illustrated controls 5, 6 or control devices 3.
  • circuits are only exemplary and in all respects extendable, combinable or interchangeable.
  • the hierarchical control arrangement in Figure 2 may be replaced by any other control arrangement.
  • the intermediates indicated in FIG. 3b can be provided in all embodiments.
  • only an initial lighting intensity can be provided. It is equally possible to provide sensors 7 for groups of luminaires instead of just one or each luminaire 2 provided for.
  • the bus coupling shown in FIG. 2 or direct coupling to a control device 3 is likewise only an example.
  • the bus coupling of individual or all controllers 5, 6 or lights 2 can be partially or completely replaced by their own wiring, as shown in Figure 6, or combined with it.
  • each luminaire 2 may have its own control 5.
  • brightness sensors 7 need not necessarily be provided. This is the case, for example, when it comes to room lighting.
  • a plurality of lamps or luminaires 2 can be simultaneously controlled via a control device 3 or the control 5, as is the case, for example, with room lighting.
  • the control of the illuminance of the respective luminaire 2 can be continuously reduced, for example, according to a predetermined logarithm, preferably on the basis of the ambient brightness present at the beginning of the emergency. be controlled.
  • This logarithm is advantageously oriented on the known adaptation curve of the human eye to suddenly occurring darkness.
  • the invention is applicable to all types of emergency lighting systems. It is essential that in the event of an emergency, the corresponding light is not immediately adjusted to the corresponding Notbeleuchtungsches but to a higher initial lighting intensity and thus at the beginning brighter than defined by means of the Notbeleuchtungsches.

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Abstract

L'invention concerne un procédé pour faire fonctionner un éclairage (2). L'éclairage (2) est prévu pour générer en état de fonctionnement de secours un éclairage de secours avec une intensité d'éclairage prédéfinie. En cas de situation d'urgence, le procédé décrit l'activation de l'état de fonctionnement de secours. L'activation de l'état de fonctionnement de secours comprend une étape d'activation de l'éclairage (2) avec une intensité d'éclairage initiale comparativement supérieure à l'intensité d'éclairage prédéfinie. L'intensité d'éclairage prédéfinie par l'éclairage (2) est alors atteinte à un instant ultérieur.
PCT/EP2016/059635 2015-04-30 2016-04-29 Éclairage de secours et son procédé de fonctionnement WO2016174216A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015208006.4 2015-04-30
DE102015208006.4A DE102015208006A1 (de) 2015-04-30 2015-04-30 Leuchte und Verfahren zum Betreiben der Leuchte

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WO2016174216A1 true WO2016174216A1 (fr) 2016-11-03

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