WO2010057622A1

WO2010057622A1 - Lighting system having security lighting

Info

Publication number: WO2010057622A1
Application number: PCT/EP2009/008210
Authority: WO
Inventors: Rochus Wohlgenannt; Armin Heim; Bernhard Klocker; Gerhard Wittmann; Michael Schönauer
Original assignee: Zumtobel Lighting Gmbh
Priority date: 2008-11-19
Filing date: 2009-11-18
Publication date: 2010-05-27
Also published as: DE102008057976A1; CN102217424A; EP2353346B1; CN102217424B; EP2353346A1

Abstract

In a lighting system (1) having a plurality of luminaires (10), means for power supply to the luminaires (10) for general lighting (30, 31) and means for power supply for security lighting (20, 21), at least some of the luminaires (10) are connected to the means for the power supply for the general lighting (30, 31) and to the means for power supply for the security lighting (20, 21). Of said luminaires (10) connected to both power supply means (10), individual luminaires can be optionally selected as security luminaires (S) such that, in the event of emergency/security operation, they assume a state of emergency operation on the basis of the power supplied by the means for power supply for security lighting (20, 21).

Description

Lighting system with emergency lighting

The present invention relates to a lighting system with a plurality of lights, wherein the system on the one hand has means for powering the lights for a general lighting and on the other hand means for supplying power to a security lighting.

In order to be able to comply with the relevant safety regulations, lighting systems for larger buildings or installations always also have so-called safety lights, which in the event of an emergency condition, a

Ensure basic lighting or emergency lighting. Even in the case of a power failure, this should ensure that light is emitted in certain spatial distances to sufficiently illuminate, for example, escape routes. The nσtstromversorgung usually separate or independent of the general power supply can be made available via separate lines or each individually in the form of accumulators or the like.

From the prior art, various possibilities are known to realize such a security lighting. For example, special emergency lighting lamp operating devices are often used which have their own low-voltage accumulator which is charged during normal operation of the lighting system via the general power supply. Such emergency light lamp operating devices are able to detect a failure of the normal mains voltage and then automatically initiate an emergency operation in which the associated lamp using the energy stored in the battery in a predetermined emergency operating state, eg. At 70% of the maximum brightness, is operated.

Such a classic emergency light lamp operating device is usually provided to actually drive the associated lamp only during an emergency operation. If the lamp is also to be used during normal operation of the lighting system, according to a proposal from WO 2005/032218 A1 the applicant has the option of using the emergency light lamp operating device with a normal or conventional lamp operating device to couple such that both devices form a functional pair, which is connected to a single lamp. Such a solution is shown schematically in Fig. I, which shows the arrangement of several lights 1 10, 115 in a room 100. Three of the lamps shown here are classic lights 1 10 with a lamp 11 1 and an associated

Lamp operating device 1 12, such as a ballast, which are provided for the normal operation of the lighting system. In the fourth light is a safety light 115. This has, as shown on the one hand an emergency light lamp operating device 113 with accumulator 116 and on the other hand, a normal lamp operating device 1 12, the normal lamp operating device 112, the associated lamp 111 during normal operation of the Systems and the emergency light lamp operating device 113 is used only during an emergency condition. This illustrated variant has the advantage that all the lights 110, 115 of the system can be used during normal operation and initially it is not apparent in which light it is the safety light.

In Fig. 2, the supplied from a central or group battery variant is also shown, the light 115 - like all other lights 110 - only one lamp operating device 112 contains (ECG), which can be operated with AC or DC and from a central - or group battery system, which automatically switches to battery supply in case of failure of the general power supply, is supplied.

In both variants described above, however, there is a risk that in the event of a defect of a safety light or the associated emergency light lamp operating device reliable maintenance of the emergency lighting is no longer guaranteed. If, for example, in the example shown in FIG. 1, the emergency light lamp operating device 113 or in the example shown in FIG. 2 in the light 115, the lamp operating device 112, it must immediately be replaced or repaired, otherwise the room no emergency lighting would have more. This means that a permanent provision of sufficient emergency lighting is associated with an extremely high level of maintenance, since detected defects must be remedied immediately and with great effort.

The present invention is therefore based on the object of providing a novel solution by means of which the problems described above can be avoided. The object is achieved by a lighting system having the features of claim I. Advantageous developments of the invention are the subject of the dependent claims.

The solution according to the invention is based on the idea of designing the illumination system in such a way that, in the event of the failure of one safety light, another light of the system located as close as possible can immediately take over the task of the defective safety light. For this purpose, it is provided that a plurality of lights of the lighting system according to the invention are potentially able to fulfill the function of a safety light, which are then selected from these available lights and used as security lights. Should one of the selected safety lights fail, its function is immediately taken over by another lamp that is able to assume an emergency operating state.

Accordingly, in accordance with the present invention, a lighting system is proposed which includes a plurality of lights, means for powering the lights for general lighting, and means for powering security lighting. At least some of the lights of the inventive lighting system is connected to both the means for power supply for general lighting and with the means for power supply for emergency lighting, of which lights individual lights are selectively selectable as security lights, such that they are in the case an emergency / safety operation on the basis of the energy provided by the means for power supply for the emergency lighting an emergency operating state.

In the end, therefore, the system according to the invention offers the possibility of being able to react extremely flexibly to problems with individual emergency lights. If a safety light is defective or no longer fully functional, another light can take over its task as a safety light without major effort - possibly even automatically - without first requiring maintenance work on the defective light. Accordingly, it is much easier to permanently provide sufficient emergency lighting, which brings significant advantages with regard to the task of complying with the relevant safety standards.

As already mentioned above, it is provided according to a particularly preferred embodiment that in case of failure of a safety light automatically their function is taken over by an at least nearby other light. This can for example be done by the lights or their Lampenbetriebs devices themselves, which automatically detect a failure and respond appropriately. Also, the selection of a new safety light by a central control unit of the lighting system would be conceivable.

The behavior of the safety lights selected in the manner according to the invention may also be determined in various ways according to the present invention. Thus, it can initially be provided that the safety lights automatically detect an emergency / safety state-for example, by monitoring the power supply system for the general lighting-and in such a case automatically assume an emergency operating state. The activation of the emergency lighting from a control center by the transmission of appropriate commands would be conceivable.

The means for supplying power to the emergency lighting may, for example, be a power supply network separate from the first power supply system for general lighting. However, it would also be conceivable that both power supply systems use the same lines and in one

Notbetriebszustand the entire system from an independent power source, for example. A generator or the like. Is fed. In this case, potentially all lights would be suitable to be selected as security lights. However, it would of course also be conceivable that the potential security lights each have their own energy storage in the form of accumulators or the like., Which are charged during normal operation of the system.

Ultimately, therefore, the system according to the invention is extremely flexible, in particular, the emergency lighting can be adapted immediately to changing situations.

The invention will be explained in more detail with reference to the accompanying drawings. Show it:

1 shows the schematic view of a section of a lighting system with emergency lighting according to the prior art as a single battery-supplied safety / emergency; Figure 2 is a schematic view of a portion of a lighting system with emergency lighting according to the prior art as a central or Gaippenbatterie-supplied safety / emergency; and

Ffg. 3 shows a lighting system according to the invention in a schematic representation.

The embodiment of the known systems in FIGS. 1 and 2 has already been explained. As mentioned, a safety light here has either two lamp operating devices, one for normal operation and one for emergency operation, these devices being active depending on the state of the overall system, or one

Safety / emergency light is supplied from a central or group battery system. However, if the emergency lamp operating device or the lamp operating device in the safety light fails, it must be replaced immediately in order to maintain the emergency lighting. Exactly this problem is avoided with the below explained in more detail with reference to FIG. 3 fiction, contemporary lighting system.

The lighting system according to the invention, generally designated by the reference numeral 1, is a system intended to illuminate larger buildings or installations. The lighting system 1 has a plurality of lights 10, which can be arranged at different positions of the building or the system. A part of the lights 10 is connected via a bus or data line 6 with a central control unit 5 of the system 1 and can be controlled accordingly from the center 5 from. Other lights 10 in turn can only be operated decentrally by appropriate controls and / or automatically adjust their brightness as a function of appropriate brightness and / or motion sensors.

It is essential that the entire system 1 also includes a safety lighting, that is, in the case of an emergency / safety condition, for example, leads to an at least partial failure of the general lighting, at least some of the lights 10 still give off light to For example, escape routes and the like to illuminate sufficiently. Relevant standards stipulate at what intervals such so-called emergency luminaires are to be arranged and how high the brightness emitted by them must be.

The system 1 according to the invention is now characterized by the fact that potentially all luminaires 10 can also work as safety luminaires. For this purpose, the first requirement is that the lights 10 in the case of an emergency / safety operation with Energy are supplied, which is achieved in the illustrated embodiment, that the lights 10 are connected via separate lines 21 to a supply unit 20 (UVS: sub-distribution security lighting). Separated from this via further lines 31, however, the luminaires 10 are also connected to a further energy supply unit 30 (UVA: subdivision general lighting). Ultimately, therefore, two separate power supply systems are formed, a first for general lighting and a second for the emergency lighting.

It should be noted that in the illustrated embodiment, separate lines for the connection of the lights 10 to the power supply units 20 and 30 are used, but it would also be conceivable that both units 20, 30 share common lines. In the case of failure of the general power supply would then the unit 20, which is formed for example by a generator, via the common

Power supply lines the lights 10 with energy. Furthermore, it would also be conceivable that the lights 10 each include its own power supply system for the emergency lighting. This can be formed, for example, by an accumulator which is charged during normal operation via the general power supply and supplies the associated lamp with energy in the case of an emergency / safety operation. It is essential that at least a portion of the lights 10 of the system 1 is supplied with energy both during normal operation, and could be supplied in the case of an emergency / safety operation by another power supply system with energy. This provides the prerequisite for the below-described erfmdungsgemäße embodiment of the system.

On the assumption that at least some of the luminaires 10 of the system 1 according to the invention are connected to both power supply systems, it is now provided that some of these luminaires 10 are selected and designated as

Safety lights are used. In the illustrated embodiment according to Fig. 3 are those lights, which additionally carry the designation "S." These lights with their associated lamp operation advised work during normal operation of the system 1 completely normal, ie in the same way as all other lights 10th In the case of an emergency / safety operation, however, these emergency lights S assume a predetermined emergency operating state, by which the prescribed emergency lighting is achieved, the essential feature being that the lamp operating device of a safety light formed in this manner is operated in both modes (normal operation and emergency mode). / Safety mode) is active, so in contrast to the known from the prior art and shown in Figure I solution no two different lamp operating devices are required.

These emergency lights S are thus supplied with energy in an emergency / safety operation by the second power supply system and operate, for example, the associated light sources at a predetermined reference value - for example at 70% of the maximum brightness. In this way, it is ensured that escape routes or other important places of the building or the system are illuminated in a sufficient manner.

Different possibilities are conceivable for causing the safety lights S to assume the emergency operating state. On the one hand, this could be predetermined, for example, by the central control unit 5, which gives a corresponding command to the control lines 6, which lead to the lights 10. On the other hand, the activation of the emergency lighting by decentralized control devices such as smoke detectors or the like would be conceivable. Finally, it would also be possible for the emergency lights S to monitor the condition of the first power supply system for general lighting and, in the event that they experience problems in the general power supply, automatically or independently assume the emergency operating state.

If one of the safety lights S now fails, it has hitherto been necessary to repair or replace this light immediately in order to continue to be able to provide the prescribed emergency lighting to a sufficient extent. This is no longer necessary in the system 1 according to the invention, since further lamps - referred to as "R" in the example shown - are precautionarily connected to the second power supply system for the emergency lighting and accordingly can potentially be used as a new emergency light If the luminaire 10 declared as a safety luminaire S is now provided, its task is promptly taken over by the closest luminaire 10 which is provided as a substitute If, for example, a problem is identified with the luminaire provided with the reference numeral 51, which constitutes a safety luminaire Now, according to the present invention, one of the adjacent lights, in the illustrated embodiment, the light 52 is selected as a new security light in a simple manner Hehin sufficient security lighting would be guaranteed. Selecting a (replacement) light as a new safety light can be done in several ways. Thus, on the one hand there is the possibility that this is caused by the transmission of a corresponding control command by the central control unit 5. As a result of this control command, the light receiving the command immediately assumes the function of safety light. As shown in the upper part of Figure 2, this possibility is given when the lights 10 are connected via a bus line 6 to the central control unit 5.

However, there is also the possibility of this administration of

Make safety lighting by appropriate switching units, as drawn in the example shown with the reference numerals 7 and 8. The switching unit 7 is in turn in connection with the central control unit 5 and is also responsible for the management of a total of three lights, one of which was selected as a security light. If a problem is found in this luminaire, the switching unit 7 can declare one of the other two luminaires as a new emergency luminaire after being prompted by the central control unit 5. However, this would also be conceivable independently of the central control unit 5. Thus, the switching unit 8 also shown completely independently leads a corresponding

Management of emergency lighting by. A manual selection of the security lights would be conceivable.

Apart from the variant of the manual selection of a safety light, a particular advantage of the solution according to the invention is also that the process of selecting can take place automatically or independently. The central control unit 5 or the switching units 7, 8 are therefore preferably configured such that they detect the defect or malfunction of a selected safety light. This can be done for example by regularly querying the operating state of the lights. Will now be a failure of a

Safety light detected, it is detected by the central 5 and the switching unit 7, 8 and automatically selected a new safety light.

From the above descriptions of the lighting system according to the invention it is clear that the system can be adapted in a very flexible manner to changing conditions. In particular, lights can be used as new emergency lights immediately by a corresponding control, which ultimately has the consequence that in the event of failure of individual emergency lights despite everything permanently adequate security lighting is guaranteed. This is not imperative that - as in the illustrated embodiment - all lights of the system can potentially be used as security lights. Rather, it is sufficient if at least some of the lights are connected to both power supply systems and accordingly there is the possibility to declare each light of this group also to a safety light.

Claims

claims

1. lighting system (1), with a plurality of lights (10), means for powering the lights (10) for general lighting (30, 31) and means for powering a security lighting (20, 21), wherein at least a part of Luminaires (10) with both the means for power supply to the general lighting (30, 31) and with the means for supplying power to the emergency lighting (20, 21) is connected, and of which connected to both power supply means lights (10) individual lights optionally selectable as safety lights (S), such that in the event of an emergency / safety operation they occupy an emergency operating state based on the energy provided by the power supply means for emergency lighting (20, 21).

2. Lighting system according to claim 1, characterized in that the selection of the safety lights (S) by the lamps (10) associated with lamp operating devices is independent.

3. Lighting system according to claim 1, characterized in that the selection of the safety lights (S) by a central control unit (5) of the illumination system (1).

4. Lighting system according to claim 1, characterized in that the selection of the safety lights (S) takes place manually.

5. Lighting system according to one of claims 1 to 3, characterized in that in the event of failure of a safety light (S) automatically located at least in the vicinity of the failed emergency light (S) light I l

(10), which is connected to both power supply means and has not yet been selected as the safety light, is determined as the new safety light (S).

6. Lighting system according to one of the preceding claims, characterized in that the safety lamps (S) selected lights (10) independently recognize an emergency / safety operation.

7. Lighting system according to one of the preceding claims, characterized in that all the lights (10) of the system (1) are connected to both power supply means.

8. Lighting system according to one of the preceding claims, characterized in that the means for powering the lights (10) for the general lighting (30, 31) and the means for power supply for the emergency lighting (20, 21) are formed by two separate power supply networks ,

9. Lighting system according to one of claims 1 to 7, characterized in that the means for supplying power to the emergency lighting (20, 21) through the

Luminaires (10) associated energy storage units, in particular accumulators are formed.

10. Lighting system according to one of the preceding claims, characterized in that the lamps (10) which are connected to both power supply means and as safety light (S) were selected, have a lamp operating device, which the associated lamp both during normal operation and during the emergency / security operation operates.