EP4260662A1 - Intelligent emergency lighting system and luminaire - Google Patents

Intelligent emergency lighting system and luminaire

Info

Publication number
EP4260662A1
EP4260662A1 EP22703560.7A EP22703560A EP4260662A1 EP 4260662 A1 EP4260662 A1 EP 4260662A1 EP 22703560 A EP22703560 A EP 22703560A EP 4260662 A1 EP4260662 A1 EP 4260662A1
Authority
EP
European Patent Office
Prior art keywords
emergency lighting
sensor
lighting system
emergency
reading
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.)
Granted
Application number
EP22703560.7A
Other languages
German (de)
French (fr)
Other versions
EP4260662B1 (en
Inventor
Deepak MAKWANA
Eduardo Pereira
Roger Kistler
Stephen PARKES
Jagjitpati SHUKLA
Ian Wilson
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.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Publication of EP4260662A1 publication Critical patent/EP4260662A1/en
Application granted granted Critical
Publication of EP4260662B1 publication Critical patent/EP4260662B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • H05B47/183—Controlling the light source by remote control via data-bus transmission using digital addressable lighting interface [DALI] communication protocols
    • 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
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission

Definitions

  • the present invention relates to an emergency lighting system and to a luminaire for use in building illumination.
  • exemplary emergency lighting Being a mandatory requirement in building illumination, exemplary emergency lighting is typically designed for cost-efficiency and as an add-on to regular illumination functionality. This defines an plain role of emergency lighting in lighting systems, and precludes a smarter role thereof.
  • the object of the present invention is thus to provide an emergency lighting system capable of solving this and other prior art issues.
  • an emergency lighting system comprises an emergency driver module for powering an emergency lighting means connectable to the emergency lighting system off a battery connectable to the emergency lighting system.
  • the emergency lighting system further comprises terminals for supplying the emergency lighting means, and a first communication interface for communicating with one or more sensor modules.
  • the emergency lighting system may comprise a sensor which is formed by a daylight sensor and the control unit may be designed to adapt the brightness of the emergency lighting means according to the reading of the sensor.
  • the emergency lighting system may further comprise a sensor module, including a test switch and a status indicator; a sensor exposed to an ambience of the sensor module in accordance with the test switch and the status indicator; and a second communication interface for communicating with the first communication interface of the emergency driver module.
  • the first and second communication interfaces may respectively be configured for wire-less communication.
  • the first and second communication interfaces may respectively comprise a Digital Addressable Lighting Interface.
  • the emergency driver module may further comprise a control unit for controlling an operation of the emergency driver module in dependence of a reading of the sensor.
  • the control unit may be configured to log the reading of the sensor.
  • the control unit may be configured to activate the powering of the emergency lighting means off the battery in dependence of the reading of the sensor.
  • the control unit may be configured to activate a charging of the battery in dependence of the reading of the sensor.
  • the control unit may be configured to activate an actuator associated with the emergency lighting means in dependence of the reading of the sensor.
  • a luminaire comprises an emergency lighting system of the first aspect of the present disclosure or any of its embodiments; an emergency lighting means; and a battery.
  • the present disclosure provides an emergency lighting system which may integrate sensor(s) in combination with further components such as a test switch and a status indicator, into so-called sensor modules. This makes sense as said integrated components definitely require a respective exposure to an ambience of the emergency lighting system. This may improve an accuracy of corresponding readings of the sensor(s), and evolve a simple mandatory emergency lighting functionality to an intelligent smart connected system, by controlling a behavior of the emergency lighting system in dependence of its sensor(s) readings.
  • Fig. 1 illustrates an emergency lighting system according to an embodiment of the present disclosure
  • Fig. 1 illustrates an emergency lighting system 1 according to an embodiment of the present disclosure.
  • the emergency lighting system 1 has an emergency driver module 101.
  • the emergency driver module 101 is configured for powering an emergency lighting means 102 that is connectable to the emergency lighting system 1 off a battery 103 that is also connectable to the emergency lighting system 1.
  • Fig. 1 suggests the emergency lighting means 102 and the battery 103 by light-emitting diode (LED) and battery symbols, respectively.
  • LED light-emitting diode
  • Solid lines in Fig. 1 indicate the features of the emergency lighting system 1, whereas dashed lines suggest the additional features of a luminaire 2 comprising the emergency lighting system 1, i.e., the emergency lighting means 102 and the battery 103.
  • the emergency lighting system 1 further comprises terminals 104 for supplying the emergency lighting means 102, and a first communication interface 105 for communicating with one or more sensor modules 106.
  • the emergency lighting system 1 of Fig. 1 is configured for connectivity with field devices such as sensors and/or actuators, so as to form an intelligent emergency lighting system.
  • Fig. 2 illustrates an emergency lighting system 1 ’ according to a further embodiment of the present disclosure.
  • the sensor 109 may be formed or may comprise a brightness sensor, e.g. a daylight sensor to detect the natural light (e.g. sunlight).
  • the sensor 109 may be also be formed by another type of sensor or a combination of different types of sensors, e.g. by by a motion sensor, a presence sensor, a temperature sensor, a humidity sensor, a fire detector, a smoke sensor, a carbon monoxide sensor, an audio sensor or an air quality sensor.
  • solid lines in Fig. 2 indicate the features of the emergency lighting system 1 ’, whereas dashed lines suggest the additional features of a luminaire 2 comprising the emergency lighting system 1 ’, i.e., the emergency lighting means 102, the battery 103, and optionally an actuator 112.
  • the sensor 109 may be integrated with further components such as the test switch 107 and the status indicator 108 into a sensor module 106. This makes particular sense if the concerned system components 107 - 109 require a respective exposure to an ambience of the emergency lighting system 1 ’.
  • the test switch 107 needs to be accessible from an outside for functional testing of the emergency lighting system 1 ’, and the status indicator 108 needs to be visible from the outside for indicating operational issues of the emergency lighting system 1 ’.
  • the integration may be appropriate for temperature, humidity, or air quality sensors 109, for example.
  • the first and second communication interfaces 105, 110 may respectively be configured for wire-less communication.
  • the first and second communication interfaces 105, 110 may respectively comprise wireless LAN, Bluetooth, or similar radio communication functionality.
  • the deployed radio communication functionality may provide connectivity to further wireless-enabled terminals as well.
  • first and second communication interfaces 105, 110 may respectively be configured for wire-bound communication.
  • the first and second communication interfaces 105, 110 may respectively comprise a Digital Addressable Lighting Interface DALL
  • the first and second communication interfaces 105, 110 may be interconnected by a DALI bus configured to provide connectivity to a plurality of DALI-enabled terminals.
  • the emergency driver module 101 may further comprise a control unit 111 for controlling an operation of the emergency driver module 101 in dependence of a reading of the sensor 109.
  • control unit 111 may be configured to log the reading of the sensor 109, e.g., for event logging and subsequent evaluation.
  • control unit 111 may be configured to activate the powering of the emergency lighting means 102 off the battery 103 in dependence of the reading of the sensor 109.
  • the reading of the sensor 109 may be used for adaptive light output. Exemplary applications comprise: increasing a brightness of an exit sign or an escape path illumination, indicating an adaptive escape path, and the like.
  • control unit 111 may be configured to activate a charging of the battery 103 in dependence of the reading of the sensor 109.
  • a battery lifetime may be predicted and optimized by a charging algorithm.
  • Exemplary applications in connection with a daylight sensor 109 may comprise not draining the battery 103 at all, or adapting a brightness of the emergency lighting means 102, if there is sufficient daylight.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

An emergency lighting system (1) is provided, having an emergency driver module (101) for powering an emergency lighting means (102) off a battery (103), terminals (104) for supplying the emergency lighting means (102), and a first communication interface (105) for communicating with one or more sensor modules (106). The emergency lighting means (102) and the battery (103) are respectively connectable to the emergency lighting system (1). This evolves a simple mandatory emergency lighting functionality to an intelligent smart connected system.

Description

INTELLIGENT EMERGENCY LIGHTING SYSTEM AND LUMINAIRE
DESCRIPTION
Technical Field
The present invention relates to an emergency lighting system and to a luminaire for use in building illumination.
Background Art
Being a mandatory requirement in building illumination, exemplary emergency lighting is typically designed for cost-efficiency and as an add-on to regular illumination functionality. This defines an plain role of emergency lighting in lighting systems, and precludes a smarter role thereof.
Summary of the Invention
The object of the present invention is thus to provide an emergency lighting system capable of solving this and other prior art issues.
The invention is defined by the appended independent claims. Preferred embodiments are set forth in the dependent claims and in the following description and drawings.
According to a first aspect of the present disclosure, an emergency lighting system is provided. The emergency lighting system comprises an emergency driver module for powering an emergency lighting means connectable to the emergency lighting system off a battery connectable to the emergency lighting system. The emergency lighting system further comprises terminals for supplying the emergency lighting means, and a first communication interface for communicating with one or more sensor modules.
The emergency lighting system may comprise a sensor which is formed by a daylight sensor and the control unit may be designed to adapt the brightness of the emergency lighting means according to the reading of the sensor. The emergency lighting system may further comprise a sensor module, including a test switch and a status indicator; a sensor exposed to an ambiance of the sensor module in accordance with the test switch and the status indicator; and a second communication interface for communicating with the first communication interface of the emergency driver module.
The first and second communication interfaces may respectively be configured for wire-less communication.
Alternatively, the first and second communication interfaces may respectively be configured for wire-bound communication.
The first and second communication interfaces may respectively comprise a Digital Addressable Lighting Interface.
The emergency driver module may further comprise a control unit for controlling an operation of the emergency driver module in dependence of a reading of the sensor.
The control unit may be configured to log the reading of the sensor.
The control unit may be configured to activate the powering of the emergency lighting means off the battery in dependence of the reading of the sensor.
The control unit may be configured to activate a charging of the battery in dependence of the reading of the sensor.
The control unit may be configured to activate an actuator associated with the emergency lighting means in dependence of the reading of the sensor.
According to a second aspect of the present disclosure, a luminaire is provided. The luminaire comprises an emergency lighting system of the first aspect of the present disclosure or any of its embodiments; an emergency lighting means; and a battery. The present disclosure provides an emergency lighting system which may integrate sensor(s) in combination with further components such as a test switch and a status indicator, into so-called sensor modules. This makes sense as said integrated components definitely require a respective exposure to an ambiance of the emergency lighting system. This may improve an accuracy of corresponding readings of the sensor(s), and evolve a simple mandatory emergency lighting functionality to an intelligent smart connected system, by controlling a behavior of the emergency lighting system in dependence of its sensor(s) readings.
Brief Description of the Drawings
Further aspects, advantages and objects of the invention will become evident for the skilled reader by means of the following detailed description of the embodiments of the invention, when taking into conjunction with the figures of the enclosed drawings.
Fig. 1 illustrates an emergency lighting system according to an embodiment of the present disclosure; and
Fig. 2 illustrates an emergency lighting system according to a further embodiment of the present disclosure.
Detailed Descriptions of Embodiments
The invention will now be described with respect to various embodiments. The features of these embodiments may be combined with each other unless specified otherwise.
Fig. 1 illustrates an emergency lighting system 1 according to an embodiment of the present disclosure.
The emergency lighting system 1 has an emergency driver module 101. The emergency driver module 101 is configured for powering an emergency lighting means 102 that is connectable to the emergency lighting system 1 off a battery 103 that is also connectable to the emergency lighting system 1. Fig. 1 suggests the emergency lighting means 102 and the battery 103 by light-emitting diode (LED) and battery symbols, respectively.
Solid lines in Fig. 1 indicate the features of the emergency lighting system 1, whereas dashed lines suggest the additional features of a luminaire 2 comprising the emergency lighting system 1, i.e., the emergency lighting means 102 and the battery 103.
The emergency lighting system 1 further comprises terminals 104 for supplying the emergency lighting means 102, and a first communication interface 105 for communicating with one or more sensor modules 106.
In other words, the emergency lighting system 1 of Fig. 1 is configured for connectivity with field devices such as sensors and/or actuators, so as to form an intelligent emergency lighting system.
Fig. 2 illustrates an emergency lighting system 1 ’ according to a further embodiment of the present disclosure.
The emergency lighting system 1 ’ of Fig. 2 may include all the features of the emergency lighting system 1 of Fig. 1, and may further comprise a sensor module 106. In turn, the sensor module 106 may include a test switch 107; a status indicator 108; a sensor 109 exposed to an ambiance of the sensor module 106 in accordance with the test switch 107 and the status indicator 108; and a second communication interface 110 for communicating with the first communication interface 105 of the emergency driver module 101.
The sensor 109 may be formed or may comprise a brightness sensor, e.g. a daylight sensor to detect the natural light (e.g. sunlight). In an embodiment the sensor 109 may be also be formed by another type of sensor or a combination of different types of sensors, e.g. by by a motion sensor, a presence sensor, a temperature sensor, a humidity sensor, a fire detector, a smoke sensor, a carbon monoxide sensor, an audio sensor or an air quality sensor. Again, solid lines in Fig. 2 indicate the features of the emergency lighting system 1 ’, whereas dashed lines suggest the additional features of a luminaire 2 comprising the emergency lighting system 1 ’, i.e., the emergency lighting means 102, the battery 103, and optionally an actuator 112.
The sensor 109 may be integrated with further components such as the test switch 107 and the status indicator 108 into a sensor module 106. This makes particular sense if the concerned system components 107 - 109 require a respective exposure to an ambiance of the emergency lighting system 1 ’. The test switch 107 needs to be accessible from an outside for functional testing of the emergency lighting system 1 ’, and the status indicator 108 needs to be visible from the outside for indicating operational issues of the emergency lighting system 1 ’. Thus, the integration may be appropriate for temperature, humidity, or air quality sensors 109, for example.
This may improve an accuracy of corresponding readings of the sensor(s) due to less shielding of the exposed sensor 109, and evolve a simple mandatory emergency lighting functionality to an intelligent smart connected system by controlling a behavior of the emergency lighting system in dependence of sensor(s) readings.
By exposing the test switch 107 and the status indicator 108 of the emergency lighting system 1’ on the sensor module 106, the emergency driver module 101 may require less terminals, and may be installed without any exposure to the ambiance of the emergency lighting system 1 ’.
In an embodiment, the first and second communication interfaces 105, 110 may respectively be configured for wire-less communication. In particular, the first and second communication interfaces 105, 110 may respectively comprise wireless LAN, Bluetooth, or similar radio communication functionality. The deployed radio communication functionality may provide connectivity to further wireless-enabled terminals as well.
In an alternative embodiment, the first and second communication interfaces 105, 110 may respectively be configured for wire-bound communication. In particular, the first and second communication interfaces 105, 110 may respectively comprise a Digital Addressable Lighting Interface DALL In such case, the first and second communication interfaces 105, 110 may be interconnected by a DALI bus configured to provide connectivity to a plurality of DALI-enabled terminals.
According to Fig. 2, the emergency driver module 101 may further comprise a control unit 111 for controlling an operation of the emergency driver module 101 in dependence of a reading of the sensor 109.
In an embodiment, the control unit 111 may be configured to log the reading of the sensor 109, e.g., for event logging and subsequent evaluation.
In an embodiment, the control unit 111 may be configured to activate the powering of the emergency lighting means 102 off the battery 103 in dependence of the reading of the sensor 109. For example, the reading of the sensor 109 may be used for adaptive light output. Exemplary applications comprise: increasing a brightness of an exit sign or an escape path illumination, indicating an adaptive escape path, and the like.
In an embodiment, the control unit 111 may be configured to activate a charging of the battery 103 in dependence of the reading of the sensor 109. For example, a battery lifetime may be predicted and optimized by a charging algorithm. Exemplary applications in connection with a daylight sensor 109 may comprise not draining the battery 103 at all, or adapting a brightness of the emergency lighting means 102, if there is sufficient daylight.
In an embodiment, the control unit 111 may be configured to adapting a brightness of the emergency lighting means 102 in dependence of the reading of the sensor 109. For example, the sensor may be formed or may comprise a daylight sensor 109. The control unit 111 may be designed to adapt the brightness of the emergency lighting means 102 according to the reading of the daylight sensor 109. For instance, an escape path illumination may be powered only at low brightness or even may be deactivated if there is sufficient daylight. In case of the illumination of an exit sign the brightness may be increased if daylight is present in order to have the exit sign visible also under bright ambient light, e.g. direct sunlight. In an embodiment, the control unit 111 may be configured to activate an actuator 112 associated with the emergency lighting means 102 in dependence of the reading of the sensor 109. Exemplary applications in connection with fire, smoke, carbon monoxide or audio sensors 109 may comprise opening building exits, closing fire doors, starting smoke extractors, triggering sound alarms and the like, by issuing corresponding control signals.

Claims

1. An emergency lighting system (1) having an emergency driver module (101) for powering an emergency lighting means (102) connectable to the emergency lighting system (1) off a battery (103) connectable to the emergency lighting system (1), the emergency lighting system (1) comprising terminals (104) for supplying the emergency lighting means (102); and a first communication interface (105) for communicating with one or more sensor modules (106), the emergency driver module (101) further comprising a control unit ( 111 ) for controlling an operation of the emergency driver module ( 101 ) in dependence of a reading of the sensor (109).
2. The emergency lighting system (1) of claim 1, whereby the sensor (109) is formed by a daylight sensor and the control unit (111) is designed to adapt the brightness of the emergency lighting means (102) according to the reading of the sensor (109).
3. The emergency lighting system (1) of claim 1 or 2, a sensor module (106), including a test switch (107) and a status indicator (108); a sensor (109) exposed to an ambiance of the sensor module (106) in accordance with the test switch (107) and the status indicator (108); and a second communication interface (110) for communicating with the first communication interface (105) of the emergency driver module (101).
4. The emergency lighting system (1) of any of the preceding claims, the first and second communication interfaces (105, 110) respectively configured for wire-less communication.
5. The emergency lighting system (1) of any of the preceding claims, the first and second communication interfaces (105, 110) respectively configured for wire-bound communication.
8
6. The emergency lighting system (1) of claim 5, the first and second communication interfaces (105, 110) respectively comprising a Digital Addressable Lighting Interface (DALI).
7. The emergency lighting system (1) of claim 1, the control unit (111) configured to log the reading of the sensor (109).
8. The emergency lighting system (1) of claim 1, 2 or claim 7, the control unit (111) configured to activate the powering of the emergency lighting means (102) off the battery (103) in dependence of the reading of the sensor (109).
9. The emergency lighting system (1) of any of the claims 1, 2, 7 or 8, the control unit (111) configured to activate a charging of the battery (103) in dependence of the reading of the sensor (109).
10. The emergency lighting system (1) of any of the claims 1, 2, 7 to 9, the control unit (111) configured to activate an actuator (112) associated with the emergency lighting means (102) in dependence of the reading of the sensor (109).
11. A luminaire (2), comprising an emergency lighting system (1) of any of the preceding claims; an emergency lighting means (102); and a battery (103).
9
EP22703560.7A 2021-01-25 2022-01-20 Intelligent emergency lighting system and luminaire Active EP4260662B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21153136.3A EP4033865A1 (en) 2021-01-25 2021-01-25 Intelligent emergency lighting system and luminaire
PCT/EP2022/051192 WO2022157224A1 (en) 2021-01-25 2022-01-20 Intelligent emergency lighting system and luminaire

Publications (2)

Publication Number Publication Date
EP4260662A1 true EP4260662A1 (en) 2023-10-18
EP4260662B1 EP4260662B1 (en) 2025-11-05

Family

ID=74215798

Family Applications (2)

Application Number Title Priority Date Filing Date
EP21153136.3A Withdrawn EP4033865A1 (en) 2021-01-25 2021-01-25 Intelligent emergency lighting system and luminaire
EP22703560.7A Active EP4260662B1 (en) 2021-01-25 2022-01-20 Intelligent emergency lighting system and luminaire

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP21153136.3A Withdrawn EP4033865A1 (en) 2021-01-25 2021-01-25 Intelligent emergency lighting system and luminaire

Country Status (2)

Country Link
EP (2) EP4033865A1 (en)
WO (1) WO2022157224A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8451116B2 (en) * 2009-03-27 2013-05-28 Lutron Electronics Co., Inc. Wireless battery-powered daylight sensor
US9472955B2 (en) * 2009-08-19 2016-10-18 Keene Jones Emergency light and charger system
US10085327B2 (en) * 2014-04-11 2018-09-25 A9.Com, Inc. Modular coordinated lighting system
GB2534901A (en) * 2015-02-04 2016-08-10 Wi-Innovate Ltd Wireless control and sensing apparatus and method for an emergency luminaire
US10085326B2 (en) * 2016-09-28 2018-09-25 Platformatics, Inc. Power over ethernet lighting system with battery charge control algorithm

Also Published As

Publication number Publication date
WO2022157224A1 (en) 2022-07-28
EP4260662B1 (en) 2025-11-05
EP4033865A1 (en) 2022-07-27

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