EP2902995B1 - Éclairage - Google Patents

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Publication number
EP2902995B1
EP2902995B1 EP15000195.6A EP15000195A EP2902995B1 EP 2902995 B1 EP2902995 B1 EP 2902995B1 EP 15000195 A EP15000195 A EP 15000195A EP 2902995 B1 EP2902995 B1 EP 2902995B1
Authority
EP
European Patent Office
Prior art keywords
light
luminaire
pictogram
luminaire according
closure
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.)
Active
Application number
EP15000195.6A
Other languages
German (de)
English (en)
Other versions
EP2902995A1 (fr
Inventor
Jürgen Prasuhn
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.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Intelligent Power Ltd
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 Eaton Intelligent Power Ltd filed Critical Eaton Intelligent Power Ltd
Publication of EP2902995A1 publication Critical patent/EP2902995A1/fr
Application granted granted Critical
Publication of EP2902995B1 publication Critical patent/EP2902995B1/fr
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G08B7/062—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources indicating emergency exits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0422—Reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/08—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers
    • G09F13/10—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers using transparencies
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F2013/05—Constructional details indicating exit way or orientation

Definitions

  • the application relates to a safety or escape sign luminaire according to claim 1.
  • a safety or escape sign luminaire has at least one backlit viewing surface which has at least one pictogram and a changeable display area arranged in the pictogram or assigned to the pictogram.
  • Corresponding lights are used, for example, to indicate an escape route and the pictogram contains a person running and an arrow to indicate the corresponding direction of escape.
  • the escape direction points to a safe exit from a corresponding building. With such luminaires there is the possibility that the escape direction will change if, for example, smoke or fire is present in certain areas of the building, which require a change in the originally indicated escape route.
  • the escape direction is switched accordingly on the basis of a signal received from a fire alarm system or a smoke detector and, for example, via a central control device for all lights in a building, such as safety or escape sign lights.
  • a solution is also known from practice in which, in addition to a pictogram with a running person, additional arrow symbols are implemented by means of an LED arrow matrix. By activating the corresponding LEDs, different areas of the arrow matrix are activated in order to display different direction indicators.
  • US 2006/080874 A1 shows a message sign with a passive and an active part.
  • the passive part a layer is arranged which can display characters in the form of letters, numbers or graphic symbols.
  • the active part there is a locking system that can display or cover certain characters.
  • the passive part therefore represents unchangeable information and the active part can represent variable information, such as the number of free parking spaces or the like. A corresponding assignment of the locking system to the passive part cannot be found in the document.
  • the invention is therefore based on the object of improving a luminaire of the type mentioned at the outset in such a way that corresponding display areas of the visible surface can be varied with little effort and at the same time the luminaire meets all requirements according to the above-mentioned DIN standard or the above-mentioned standards.
  • the luminaire is distinguished in particular by the fact that the changeable display area is designed as an electrically or electronically switchable, optical closure area which, depending on the switching state, allows light to pass through or essentially blocks it.
  • Such an optical shutter area is sometimes also called a shutter area.
  • the transmission or blocking of the corresponding light can also only affect certain spectral ranges of in particular visible light. This means that, for example, only a spectral range of the visible light in the green area is allowed to pass through the closure area, so that, for example, with white arrow symbols on a green background, the white arrow symbols in the display area are shown in green through the closure area. This means that the arrow symbols, which are actually white, are no longer visible against the green background. There is of course also the possibility that the corresponding display area is completely blocked, i. E. This means that no light in the visible range is allowed to pass through the optical shutter area in the corresponding blocking switching state.
  • two corresponding optical closure areas are arranged in the pictogram or assigned to the pictogram in order, for example, to activate or deactivate corresponding arrow directions to the left and right of the person walking.
  • the optical closure area is assigned to different directional displays of the pictogram, that is to say to different arrow symbols or directional displays.
  • the corresponding direction indicators can be part of the pictogram or attached to it Be assigned to positions.
  • the optical closure area can be arranged upstream or downstream of the corresponding direction indicator relative to a light source. That is to say, the closure area can be arranged between the light source and the direction indicator or between the direction indicator and a viewer on an outside of the visible surface of the lamp.
  • the optical closure area in the open switch position has a transparency of greater than 70 percent, preferably greater than 80 percent and particularly preferably greater than 90 percent.
  • the optical closure area lets more than 70 percent of the incident light through, whereby this can also be more than 80 or more than 90 percent.
  • the corresponding permeability of the closure area can be limited to certain spectral ranges of visible light and can also include IR and / or UV spectral ranges. That is to say, when the light is essentially white, the corresponding closure area only lets through a certain color of light in the blocking switching state, such as green, yellow, red or blue light, for example. There is also the possibility that the blockage will affect all white light; that is, the closure area is opaque.
  • LEDs light-emitting diodes
  • corresponding LEDs are arranged in particular along a light entry edge of a light distribution plate, which is also part of the corresponding luminaire.
  • the light from the LEDs is radiated from the light entry edge into the light distribution plate and emitted from this over at least one side surface in the direction of the pictogram for its background lighting.
  • pictograms and corresponding display areas or optical closure areas are arranged on both sides of such a light distribution plate.
  • the closure area can alternatively be designed as an LCD shutter area.
  • the corresponding technology of such a shutter area is known, for example, from corresponding LCD shutter glasses, such glasses having glasses which consist of two liquid crystal surfaces. One of these areas is intended for the left eye and the other for the right eye.
  • the corresponding liquid crystal surfaces can be switched electronically between transparent and non-transparent. This is used to optionally darken the left or right eye. In this way, it is possible to see 3D images or films.
  • a corresponding LCD shutter area can be viewed as a large LCD pixel that is switched to either transparent or opaque.
  • the display area is changed, see, for example, the activation of different arrow symbols.
  • Switching can take place very quickly, for example in the millisecond range. In addition, only a low voltage is required in order to switch over or maintain a corresponding switching state.
  • the corresponding closure area is designed as a dimmable, electrochromic glass plate.
  • a conductive polymer film is applied to one side of the corresponding glass plate. This changes its transparency depending on the voltage applied. In other words, when the polarity of the supply voltage changes, this closure area is switched between the forward switching state and the blocking switching state.
  • the corresponding visible surface can be handled separately and, in particular, can be designed as an exchange module. This enables the pictogram with a changeable display area or changeable display areas to be exchanged in a simple manner. There is only a corresponding connection the locking areas for their control, for example on existing lighting electronics or the like.
  • luminaire electronics are usually present at least for controlling the lighting means within the luminaire, wherein according to the invention the lighting control can also be used to control the closure area or the closure areas. Since only a low supply voltage is required for a corresponding switching of the locking areas, the supply voltage already supplied to the lamp or existing within the lamp is usually sufficient and no additional measures for further voltage supply have to be taken. However, it can be advantageous if there is an additional voltage control for controlling the different closure areas, this voltage control being part of the lighting electronics or being implemented in software by the lighting electronics. A corresponding supply of the locking areas and switching takes place through the voltage control.
  • closure area can be in the on-state switching state without activation.
  • the closure area is assigned to an area of the visible surface which can be larger than a corresponding arrow symbol or the like.
  • the corresponding closure area is designed to be congruent with part of the pictogram or with the display area. In other words, only a certain part of the pictogram or display area is switched to be permeable or blocked, this part being able to correspond, for example, to the corresponding arrowhead.
  • an arrowhead pointing in a different direction is used in the opposite way, that is to say, for example, switched to be visible when the other arrowhead is switched to be invisible.
  • an entire arrow is congruent with the closure area or also other parts of an arrow.
  • an arrow with a different direction indicator is activated or deactivated in each case.
  • the corresponding closure areas can be implemented in different ways on or in the visible surface. It is conceivable, for example, that the closure area is designed as a closure field or panel. Such a closure field or a corresponding panel can be arranged from the outside on the visible surface or also inside it. The corresponding display areas can also be part of the visible surface or be applied to it inside or outside.
  • the corresponding closure area is integrated in the visible surface, i. H. is made in one piece with the visible surface.
  • the corresponding display areas or the corresponding display area and also the pictogram can then be arranged later.
  • corresponding closure areas can be assigned not only to corresponding arrow symbols, but also, for example, parts of the pictogram or other symbols of the pictogram or those which are assigned to the pictogram.
  • Figure 1 shows a light 1 known from practice in a perspective front view.
  • the luminaire 1 has a visible surface 2 facing a viewer.
  • a pictogram 3 in the form of a running person is applied to this as well as an arrow-like direction indicator 7 and another rectangular symbol 19.
  • Arrow 7 and symbol 19 are part of a display area 4, which is arranged next to the running person as part of the pictogram 3 or separately from it is.
  • This display area 4 is also corresponding arranged on the visible surface 2 or formed by this. The arrangement can take place both on an outside of the visible surface and on an inside.
  • the luminaire 1 has a flat design and is an LED luminaire with a plurality of LEDs as lighting means 9 along a lower light entry edge 11 of a light distribution plate 10. Corresponding visible surfaces 2 with pictograms and display area are arranged on one or both sides of the light distribution plate 10.
  • the corresponding electronics are also arranged inside the lamp 1. This electronics includes, for example, a light electronics 15 and, if necessary, an additional voltage control 16.
  • the light 1 can be connected to a central unit 18 via a cable or wirelessly.
  • This central unit 18 is usually assigned to a large number of lights in order, for example, to carry out a corresponding escape route control.
  • the corresponding central unit 18 can be used to control an emergency lighting system in which the light 1, in particular as a safety or escape sign light, is contained.
  • the central unit 18 is also used to monitor the lamp 1 in accordance with the norms or standards applicable in the emergency lighting area. Such a control from the central unit 18 takes place, for example, via an address assigned to the lamp 1. Using this address, the luminaire can be addressed and controlled as well as monitored or communicated with it.
  • the corresponding display area 4 is unchangeable.
  • the corresponding display area 4 can be changed, this being the case in the exemplary embodiments Figures 2a to 2c in particular relates to the arrow symbol shown together with the running person.
  • this selection of the changeable symbol is only an example and other symbols can also be changed in other ways, see for example in this context also the Figures 3a to 3c .
  • Corresponding display areas 4 are arranged on both sides of the person walking. Each of these display areas 4 comprises an optical closure area 5 or 6. These can be switched over electrically or electronically in order to allow light to pass through or essentially to block it, depending on the switching state. For example, in Figure 2a the optical closure area 5 in the blocking switching state and therefore essentially impermeable to light. The other optical closure area 6 is in the transmission switching state and therefore the corresponding arrow symbol can be seen as a direction indicator 7.
  • Figure 2c is analogous to Figure 2a the other optical shutter area 6 is in the blocking switching state, while the optical shutter area 5 is in the transmission switching state. That is, the other direction indicator 8 with the corresponding arrow symbol is activated and identifies the escape route direction.
  • a liquid crystal surface is switched between optically transparent and optically opaque by applying a corresponding voltage. H. between the forward switching state and the blocking switching state.
  • a corresponding switching is known, for example, in LCD shutter glasses, with the aid of which 3D images or films can be viewed.
  • the corresponding LCD shutter area essentially corresponds to an LCD pixel that is either transparent or opaque, i. H. opaque, is switched.
  • the light permeability is influenced by applying an electrical voltage. That is, In one switching state the glass remains transparent and in the other switching state it becomes opaque, ie it is opaque.
  • electrochromic materials are used, which change the light transmission depending on the applied DC voltage.
  • Such a material, also called LC glass has a polymer liquid crystal film which is embedded, for example, between two thin glass panes and is connected to a power source. The liquid crystals are randomly oriented in the solid polymer and are only aligned in a preferred direction when a voltage is applied. This alignment makes the glass transparent. If the voltage is removed, the opposite effect occurs and the LC glass becomes opaque and thus opaque again.
  • the corresponding voltages can be provided by the voltages already present within the luminaire 1. No additional power supply measures are required. It can only prove to be advantageous if the already existing lighting electronics 15 additionally have a voltage control 16 by means of which, for example, the corresponding switching states of the various optical closure areas 5 and 6 can be implemented.
  • the corresponding optical closure areas 5 and 6 in the on-state switching state have a transparency of more than 70 percent and preferably also more than 80 percent. Materials are also known in which a transparency of more than 90 percent is possible.
  • the corresponding optical closure areas 5 and 6 are only assigned to the direction indicators and are completely assigned to them, so that the display areas 4 arranged to the left and right of the running person can be completely switched.
  • the optical closure area for example, to be congruent with only the corresponding symbols or symbol parts to be covered.
  • the closure area can also have a predetermined shape analogous to the arrow symbol.
  • the optical closure area is assigned not only to the corresponding display areas, but also to the pictogram and in particular to the person walking. In this way, for example, the shown running direction of the running person could be converted in a manner analogous to changing the direction of the arrow.
  • the corresponding optical closure area can be arranged on an outside or inside of the visible surface.
  • the advantage is that the corresponding closure area cannot possibly be soiled or damaged by contact from outside the lamp.
  • the corresponding visible surface 2 is usually part of an outer wall of the lamp 1 or is formed directly by this.
  • the pictogram can be implemented inside or outside this outer wall as a separate part or as a coating on the outer wall.
  • closure areas can be designed as closure fields or panels 17.
  • closure fields or panels 17 There is also the possibility that a corresponding closure area is integrated in the visible surface and is therefore part of the visible surface.
  • FIG. 3a to 3c further exemplary embodiments for visible surfaces 2 with in particular pictograms 3 or display areas 4 or direction indicators 7, 8 are shown.
  • the representation of corresponding visible surfaces is not exhaustive, but only exemplary, with other pictograms, display areas and arrangements of closure areas being possible.
  • Corresponding direction indicators are arranged on one side or on both sides for a word "Exit”.
  • switching is also possible using the above-described optical Closure areas 5 or 6 possible. That means, for example, in the case of the in Figure 3a the visible area shown above, the triangle pointing to the right can be made ineffective, for example to identify a door located directly below this visible area as an escape door. If, however, this door cannot be used, an escape route is routed by making the corresponding triangle visible.
  • This also applies to the in Figure 3a Pictogram shown below, in which you can also choose between the two triangles pointing to the left or right.
  • arrows arranged obliquely upwards and downwards are shown as viewing indicators 7 and 8, respectively. It is also possible to switch between these so that, for example, both arrows shown are present on one visible surface, but the alternative switching states for such arrows in FIG Figure 3c are shown.
  • a lamp with changeable display areas which are formed in a simple manner by corresponding switchable optical closure areas. These essentially do not require any modification of the luminaire, but can be supplied and controlled by the existing luminaire electronics. Likewise, no additional lighting means or power supplies are required, since the already existing lighting means and the already existing power supply are sufficient for the corresponding locking areas.
  • the control of the lamp is also simplified because, for example, no additional addresses are required to address additional devices within the lamp, but rather the entire control can be carried out via the means and addresses that are already available from a central unit. There is also no need to switch or dim lighting means that are used, for example, to backlight the pictogram or the display areas. Instead, the lamps can be operated in the usual way.
  • the corresponding closure areas ensure that even under unfavorable ambient conditions such as smoke or the like, it is possible to switch over the changeable display areas and that the displays implemented are clearly recognizable.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (10)

  1. Luminaire de signalisation de sécurité ou d'évacuation comportant au moins une surface visible rétroéclairée (2), laquelle présente au moins un pictogramme (3) et une zone d'affichage modifiable (4) disposée dans le pictogramme ou associée audit pictogramme, la zone d'affichage modifiable (4) étant configurée comme une zone de fermeture optique commutable électriquement ou électroniquement qui, en fonction de l'état de commutation, laisse passer la lumière ou la bloque sensiblement, caractérisé en ce que
    la zone de fermeture optique (5, 6) est associée à différents dispositifs d'affichage de direction (7, 8),
    la zone de fermeture optique (5, 6), à l'état de passage, présente une transparence supérieure à 70 %, de préférence supérieure à 80 % et de manière particulièrement préférée supérieure à 90 %, et la zone de fermeture optique (5, 6) est configurée comme une plaque de verre électrochrome à intensité variable.
  2. Luminaire selon la revendication 1, caractérisé en ce que le luminaire (1) présente une pluralité de DEL et une plaque de répartition de lumière (10) comme moyens d'éclairage (9), les DEL (9) étant disposées en particulier le long d'un bord d'entrée de lumière (11) de la plaque de répartition de lumière (10).
  3. Luminaire selon la revendication 1 ou 2, caractérisé en ce que la surface visible (2) est configurée comme un module d'échange (14).
  4. Luminaire selon l'une des revendications précédentes, caractérisé en ce que le luminaire (1) présente des équipements électroniques de luminaire (15) permettant de commander les moyens d'éclairage (9), lesquels équipements électroniques de luminaire peuvent en outre être utilisés pour commander la zone de fermeture (5, 6).
  5. Luminaire selon l'une des revendications précédentes, caractérisé en ce que les équipements électroniques de luminaire présentent une commande de tension (16) permettant de commander en particulier différentes zones de fermeture optiques (5, 6).
  6. Luminaire selon l'une des revendications précédentes, caractérisé en ce que la zone de fermeture (5, 6) est à l'état de commutation de passage sans commande.
  7. Luminaire selon l'une des revendications précédentes, caractérisé en ce que la zone de fermeture optique (5, 6) est configurée comme coïncidant avec une partie du pictogramme (3) et/ou de la zone d'affichage (4).
  8. Luminaire selon l'une des revendications précédentes, caractérisé en ce que la zone de fermeture optique (5, 6) est réalisée sous la forme d'un champ ou d'un panneau de fermeture (17).
  9. Luminaire selon l'une des revendications précédentes, caractérisé en ce que la zone de fermeture optique (5, 6) est intégrée dans la surface visible (2).
  10. Luminaire selon l'une des revendications précédentes, caractérisé en ce que le luminaire (1) peut être commandé et/ou surveillé par une unité centrale (18).
EP15000195.6A 2014-02-03 2015-01-23 Éclairage Active EP2902995B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014001371.5A DE102014001371A1 (de) 2014-02-03 2014-02-03 Leuchte

Publications (2)

Publication Number Publication Date
EP2902995A1 EP2902995A1 (fr) 2015-08-05
EP2902995B1 true EP2902995B1 (fr) 2021-11-24

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EP15000195.6A Active EP2902995B1 (fr) 2014-02-03 2015-01-23 Éclairage

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DE (1) DE102014001371A1 (fr)

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DE102015218161A1 (de) * 2015-09-22 2017-03-23 Fischer Akkumulatorentechnik Gmbh Notzeichenleuchte mit elektronischem Speicher
DE202016103849U1 (de) 2016-07-15 2017-10-18 Rp-Technik Gmbh Rettungszeichenleuchte
JP6370426B1 (ja) * 2017-03-16 2018-08-08 Ｎｉｓｓｈａ株式会社 表示パネル
US11489298B2 (en) 2017-09-21 2022-11-01 O'Reilly Winship, LLC Electrical outlet cover with integrated lighting with connectivity
US10665996B2 (en) 2017-09-21 2020-05-26 O'Reilly Winship, LLC Rechargeable USB electrical outlet with integrated lighting
KR102277771B1 (ko) * 2018-05-18 2021-07-15 오레일리 윈쉽, 엘엘씨 통합된 점등을 갖는 전기 콘센트 커버
US10803715B2 (en) * 2018-07-23 2020-10-13 Abb Schweiz Ag Intelligent emergency evacuation system
GB2586828B (en) * 2019-09-04 2021-12-22 Apollo Fire Detectors Ltd Emergency escape routing system
DE102020106209A1 (de) 2020-03-06 2021-09-09 Rp-Technik Gmbh Rettungszeichenleuchte, Fluchtwegssteuerungsanlage sowie geeignete Verfahren zu deren Betrieb
DE102021123298A1 (de) 2021-09-08 2023-03-09 Rp-Technik Gmbh Dynamisches Fluchtwegsystem

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EP2902995A1 (fr) 2015-08-05
DE102014001371A1 (de) 2015-08-20

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