EP2650867B1 - Eclairage, en particulier éclairage de signalisation - Google Patents

Eclairage, en particulier éclairage de signalisation Download PDF

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Publication number
EP2650867B1
EP2650867B1 EP13163336.4A EP13163336A EP2650867B1 EP 2650867 B1 EP2650867 B1 EP 2650867B1 EP 13163336 A EP13163336 A EP 13163336A EP 2650867 B1 EP2650867 B1 EP 2650867B1
Authority
EP
European Patent Office
Prior art keywords
light emitting
reflector element
leds
luminaire according
accumulator
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
EP13163336.4A
Other languages
German (de)
English (en)
Other versions
EP2650867A2 (fr
EP2650867A3 (fr
Inventor
Joachim Frick
Helmut Feurle
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.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
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 Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2650867A2 publication Critical patent/EP2650867A2/fr
Publication of EP2650867A3 publication Critical patent/EP2650867A3/fr
Application granted granted Critical
Publication of EP2650867B1 publication Critical patent/EP2650867B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G09F13/18—Edge-illuminated signs
    • 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
    • G09F13/0445—Frames
    • 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
    • G09F13/14—Arrangements of reflectors therein
    • 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
    • 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
    • G09F13/14—Arrangements of reflectors therein
    • G09F2013/145—Arrangements of reflectors therein curved reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs

Definitions

  • the invention relates to a luminaire, in particular an indicator lamp with a front light emitting disc, a rear parallel thereto Lichtaufgabein and a plurality of LEDs (LED: light emitting diode) for generating a light which is irradiated into the space between the two light emitting discs.
  • LED light emitting diode
  • Such a lamp in the form of an indicator light is from the DE 20 2010 002 049 U1 known.
  • light is radiated from above in the intermediate space formed between the two light emission discs by means of the LEDs.
  • the light intensity decreases with increasing distance from the LEDs, so that as a result the light output appears on the light emitting disks with a correspondingly decreasing intensity.
  • From the DE 31 29 038 A1 is a sign lamp with two lenses known between which a fluorescent lamp is located in the upper area. From the lower edges of the lenses a reflector extends obliquely backwards; in the middle of the lamp the reflectors meet.
  • An indicator lamp with a disc-shaped light distribution body is known. Light from a lamp is radiated via a narrow light entry surface of the light distribution body; on the opposite side a roof-shaped reflector is arranged, which serves to lighten the lamp-distant region of the light distribution body particularly strong.
  • the invention has for its object to provide a corresponding improved luminaire;
  • a luminaire in particular a direction indicator lamp, having a front translucent light-emitting disc and a rear translucent light-emitting disc arranged parallel to the front light-emitting disc such that a space is formed between the front light-emitting disc and the rear light-emitting disc.
  • the lamp has a plurality of LEDs for generating a light, wherein the LEDs are arranged such that they radiate the light into the intermediate space.
  • the luminaire has a reflector element, which is arranged opposite the LEDs with respect to the intermediate space and comprises a convexly curved region. The reflector element makes it possible to achieve equalization of the light intensity across the two light output disks in a comparatively simple manner. In particular, this can effectively counteract a decrease in the light intensity with increasing distance from the LEDs.
  • the reflector element has a reflective surface which, with respect to the intermediate space, comprises a convexly curved region.
  • space can advantageously be achieved on the side of the reflector element opposite the LEDs for a further luminaire component, for example for an accumulator for operating the LEDs.
  • the convex shape is technically advantageous with respect to a distribution of the light on the two light emitting discs.
  • the curved portion of the reflective surface occupies more than half of the distance between the front light emitting disc and the rear light emitting disc.
  • the light of the LEDs is particularly effectively directed to the light output discs.
  • this creates a comparatively large space for a further lighting component.
  • the LEDs are disposed at a lower end portion of the gap, the front light emitting disk having a light emitting surface extending up to a first level and the reflector element extending downwardly to a second level lower than the first level.
  • the lamp can be designed so that the reflector element extends into the intermediate space.
  • the luminaire as a whole can be made particularly small-scale, or the light-emitting surface can be particularly large when viewed in a relatively large way.
  • the lamp also has an accumulator for powering the LEDs, which is arranged supported on the reflector element, in particular with Reference to the reflector element on a side opposite to the LEDs.
  • an accumulator for powering the LEDs which is arranged supported on the reflector element, in particular with Reference to the reflector element on a side opposite to the LEDs.
  • Space saving while the lamp is designed such that the accumulator is disposed at least for the most part between the second level and the first level. Due to the battery, the light is particularly well suited as an emergency light, because it can be operated without an external power source.
  • the reflector element is elongate and in this case has a longitudinal stop element, which is arranged between a first position and a second position movable back and forth on the rest of the reflector element that it forms a longitudinal stop for the accumulator in the first position, in the second position, however, not.
  • the reflector element can be designed such that it is alternatively suitable either for holding the accumulator or for holding a corresponding, but longer accumulator. Handling friendly while the longitudinal stop element is arranged by means of a film hinge to the rest of the reflector element.
  • the reflector element is made of plastic.
  • the lamp also has a device carrier, wherein the reflector element is connected via a latching connection with the equipment carrier. This allows a simple and easy to install design, especially when the front light emitting disc extends directly to the equipment rack.
  • Fig. 1 shows a sketch of a perspective view of a lamp according to the invention according to the embodiment
  • Fig. 2 a corresponding cross-sectional sketch.
  • the luminaire is an indicator light, in particular for displaying backlit pictograms. For example, it may be a rescue light or emergency light.
  • the luminaire may be, for example, a pendant luminaire.
  • the luminaire has a front translucent light emitting disc 2, and a rear translucent light emitting disc 3.
  • the rear light emitting disc 3 is arranged parallel to the front light emitting disc 2, that between the front light emitting disc 2 and the rear light emitting disc 3, a gap 4 is formed.
  • the two light emitting discs 2, 3 may in particular each have a pictogram.
  • the luminaire is designed to operate in such a way that the two light emitting disks 2, 3 are oriented vertically. In the present description, this orientation is assumed. However, in principle, the light can be provided for operation in any other orientation. The present directions must be reinterpreted in such a case.
  • the front light emitting disc 2 may have a surface 21, which is preferably rectangular and which forms an outer surface of the lamp. This surface 21 may represent in particular a front light emitting surface of the lamp. The same applies to a further surface 31 and rear light emitting surface of the rear light emitting disc 3.
  • the front light emitting surface and the rear light emitting surface can be made the same size.
  • the lower edge regions of the two light emitting disks 2, 3 are connected to one another via an elongate frame element 7. Their upper peripheral regions are connected to one another via an elongate device carrier 8.
  • the intermediate space 4 extends downwards to the frame element 7.
  • the lamp has a plurality of LEDs 5 for generating a light.
  • the LEDs 5 are arranged such that they radiate the light into the gap 4.
  • the light is designed so that the light in the further on the front light emitting disc 2 and the rear light emitting disc 3 in a Outside space A of the lamp is discharged.
  • the LEDs 5 may be the only light source of the luminaire.
  • the LEDs 5 are preferably arranged along a straight line which runs parallel to the front light emitting disk 2 and horizontally oriented and with reference to the illustration of Fig. 1 perpendicular to the drawing plane.
  • the LEDs 5 are arranged on an elongate board 9, which is mounted on the frame member 7.
  • the circuit board 9 and the frame element 7 are oriented parallel to each other. In the example shown, therefore, the light of the LEDs 5 is radiated from below into the gap 4.
  • the lamp has a reflector element 6, which is arranged opposite the LEDs 5 with respect to the gap 4.
  • the reflector element 6 may be elongated and with its longitudinal or main axis parallel to the straight line on which the LEDs 5 are arranged or arranged to be aligned with the elongated circuit board 9.
  • This design makes it possible to achieve that the light emitted by the LEDs 5 is reflected by the reflector element 6 on the opposite side of the intermediate space, in this case "above”, so that an increased incidence of light on the upper subregions of the two light output disks 2, 3 takes place. As a result, it is possible effectively to counteract a brightness which decreases toward the top on the two light emitting disks 2, 3.
  • the reflector element 6 preferably has a reflective surface 61 which, with respect to the intermediate space 4, comprises a convexly curved region, ie is bulged downward in the example shown.
  • the convexly curved region of the surface 61 extends into the intermediate space 4.
  • the reflective surface 61 is designed as a whole elongated and thereby semi-cylindrical in particular semi-circular cylindrical; the corresponding cylinder axis extends parallel to the longitudinal axis of the reflector element 6.
  • the front light emitting surface 21 extends upward to a first level N1 and the curved area of the surface 61 downward to a second level N2 , which is lower and lower than the first level N1 .
  • the device carrier 8 can be designed with a smaller vertical extension.
  • an accumulator 10 is arranged in said space or is, which serves to power the LEDs 5.
  • the reflector element 6 is advantageously designed for mounting the accumulator 10.
  • the accumulator 10 is expediently arranged with respect to the reflector element 6 on a side opposite the LED 5, so that the interaction of the light generated by the LEDs 5 with the reflective surface 61 is not impaired by the accumulator 10.
  • Fig. 6 the reflector element 6 is sketched in perspective with the accumulator 10.
  • the accumulator 10 is in the example shown here as a whole elongated, circular cylindrical in a first approximation and arranged horizontally and parallel to the reflector element 6.
  • the vertical extent a of the accumulator 10- that is to say essentially the diameter of the corresponding circular cylinder-corresponds approximately to the distance between the second level N2 and the first level N1. It is preferably provided that for the vertical extension a of the accumulator 10 the following applies: 1 ⁇ 2 (N1 - N2) ⁇ a ⁇ 2 (N1 - N2).
  • the accumulator 10 can thus be arranged in particular at least for the most part below the device carrier 8.
  • the curved portion of the surface 61 more than that Half of the distance d between the front light emitting disc 2 and the rear light emitting disc 3 a. How out Fig. 2 As can be seen, the curved portion of the surface 61 extends parallel to the distance d by a dimension e, which is about two-thirds of the distance d . It is preferably provided that the following applies: e > 1 ⁇ 2 d.
  • the convexly curved region of the surface 61 preferably has a radius of curvature r which approximately corresponds to the radius of the circular cylinder which describes the shape of the accumulator 10.
  • r ⁇ 1 ⁇ 2 a, in particular 1 ⁇ 2 a ⁇ r ⁇ 1 ⁇ 2 d , in particular 1 ⁇ 2 a ⁇ r ⁇ 5/8 d.
  • the arched area preferably extends over an angular range of 180 °.
  • the surface 61 preferably extends plane and parallel to the front light output disk 2, each with a distance f to the front or rear light output disk 2, 3, which is between 1/8 d and 1/4 d.
  • the reflector element 6 preferably has a longitudinal stop element 13 for the accumulator 10.
  • the longitudinal stop element 13 is so arranged between a first position and a second position movable back and forth on the remaining reflector element 6, that it - Fig. 6 indicated - forms a longitudinal stop for the accumulator 10 in the first position, but - as in Fig. 3 indicated - not in the second position.
  • the reflector element 3 can in particular be designed such that it can either be used to hold the accumulator 10 or, as in FIG Fig. 5 indicated - for holding another, appropriately designed, but longer battery 10.1 is suitable.
  • the reflector element 6 also preferably has at least one wire holder 6 for holding a wire.
  • the described design makes it possible for the rechargeable battery 10 or alternatively the longer rechargeable battery 10.1 to be reliably held in the intended position during transport, installation and operation.
  • the reflector element 6 is made of plastic.
  • a particularly simple design and installation of the lamp is made possible when the reflector element 6 is connected in particular only via a latching connection with the equipment carrier 6.
  • this has the reflector element 6 - as exemplified in Fig. 3 shown - locking lugs 61 on.
  • at least two latching lugs 61 can be arranged on both sides.
  • the device carrier 8 preferably has two inner shoulder surfaces 81, which cooperate for latching connection with the locking lugs 61.
  • the front light emitting disc 2 preferably extends directly to the device carrier 8. The same applies to the second light emitting disc third
  • the luminaire furthermore has an optical element 11, which is designed to optically influence the light generated by the LEDs 5.
  • the optical element 11 can be designed to act as a lens.
  • the optical element 11 is profiled and oriented with its longitudinal axis parallel to the frame element 7 or to the printed circuit board 9. In particular, it can be designed as an extrusion profile.
  • the profile of the optical element 11 preferably has two side surfaces 111, 112 sloping downwards on both sides, in order to promote light-technically advantageous steering of the light onto the two light output disks 2, 3.
  • the luminaire according to the invention in particular allows a particularly simple and cost-effective design.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (12)

  1. Luminaire, plus particulièrement luminaire de signalisation, comprenant
    - une vitre d'émission de lumière avant transparente (2),
    - une vitre d'émission de lumière arrière transparente (3) qui est disposée parallèlement à la vitre d'émission de lumière avant (2) de façon à ce que entre la vitre d'émission de lumière avant (2) et la vitre d'émission de lumière arrière (3), un espace intermédiaire (4) soit formé,
    - plusieurs LED (5) pour la production d'une lumière, les LED (5) étant disposées de façon à ce qu'elles fassent entrer la lumière dans l'espace intermédiaire (4),
    - un élément réflecteur (6), qui est disposé de manière opposée aux LED (5) par rapport à l'espace intermédiaire (4),
    caractérisé en ce que
    l'élément réflecteur (6) comprend une surface réfléchissante (61), qui comprend une partie à courbure convexe par rapport à l'espace intermédiaire (4).
  2. Luminaire selon la revendication 1,
    dans lequel, dans une coupe normale par rapport à la vitre d'émission de lumière avant (2), la partie courbée de la surface réfléchissante (61) représente plus de la moitié de la distance (d) entre la vitre d'émission de lumière avant (2) et la vitre d'émission de lumière arrière (3).
  3. Luminaire selon la revendication 1 ou 2,
    dans lequel les LED (5) sont disposées au niveau d'une partie d'extrémité inférieure de l'espace intermédiaire (4),
    la vitre d'émission de lumière avant (2) comprenant une surface d'émission de lumière (21) qui s'étend vers le haut jusqu'à un premier niveau (N1) et l'élément réflecteur (6) s'étendant vers le bas jusqu'à un deuxième niveau (N2), qui se trouve plus bas que le premier niveau (N1).
  4. Luminaire selon l'une des revendications précédentes, comprenant en outre
    - un accumulateur (10) pour l'alimentation électrique des LED (5),
    l'accumulateur (10) étant maintenu sur l'élément réflecteur (6), plus particulièrement par rapport à l'élément réflecteur (6) sur un côté opposé aux LED (5).
  5. Luminaire avec les caractéristiques mentionnées dans les revendications 3 et 4, qui est conçu de façon à ce que l'accumulateur (10) est disposé au moins dans sa majeure partie entre le deuxième niveau (N2) et le premier niveau (N1).
  6. Luminaire selon l'une des revendications précédentes,
    dans lequel l'élément réflecteur (6) est allongé et comprend un élément de butée longitudinale (13) qui est disposé sur l'élément réflecteur (6) restant de façon à être mobile entre une première position et une deuxième position avec un mouvement de va-et-vient, afin de former, dans la première position, une butée longitudinale pour l'accumulateur (10), mais pas dans la deuxième position.
  7. Luminaire selon la revendication 6,
    dans lequel l'élément de butée longitudinale (13) est disposé au moyen d'une charnière à film sur l'élément réflecteur (6) restant.
  8. Luminaire selon l'une des revendications précédentes,
    dans lequel l'élément réflecteur (6) est constitué d'une matière plastique.
  9. Luminaire selon l'une des revendications précédentes,
    comprenant en outre
    - un support d'appareil (8), l'élément réflecteur (6) étant relié au support d'appareil (6) par l'intermédiaire d'une liaison par encliquetage.
  10. Luminaire selon la revendication 9,
    dans lequel la vitre d'émission de lumière avant (2) s'étend directement jusqu'au support d'appareil (8).
  11. Luminaire selon l'une des revendications précédentes, comprenant en outre
    - un élément optique (11) pour le contrôle optique de la lumière produite par les LED (5).
  12. Luminaire selon la revendication 11,
    dans lequel l'élément optique (11) présente la forme d'un profilé, plus particulièrement est conçu comme un profilé extrudé.
EP13163336.4A 2012-04-12 2013-04-11 Eclairage, en particulier éclairage de signalisation Active EP2650867B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012101308U DE202012101308U1 (de) 2012-04-12 2012-04-12 Leuchte, insbesondere Hinweisleuchte

Publications (3)

Publication Number Publication Date
EP2650867A2 EP2650867A2 (fr) 2013-10-16
EP2650867A3 EP2650867A3 (fr) 2014-04-30
EP2650867B1 true EP2650867B1 (fr) 2018-08-08

Family

ID=48095656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13163336.4A Active EP2650867B1 (fr) 2012-04-12 2013-04-11 Eclairage, en particulier éclairage de signalisation

Country Status (2)

Country Link
EP (1) EP2650867B1 (fr)
DE (1) DE202012101308U1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864861A (en) * 1973-09-21 1975-02-11 Jr Richard H Hill Illuminated display device
DE3129038A1 (de) * 1981-07-17 1983-02-03 Achim Dipl.-Ing. Dr.-Ing. 1000 Berlin Willing Hinweisleuchte
ATE187568T1 (de) * 1991-09-03 1999-12-15 Willing Gmbh Dr Ing Hinweisleuchte
US5428912A (en) * 1993-08-05 1995-07-04 Prolume Incorporated Indirectly illuminated sign
US6154994A (en) * 1999-04-05 2000-12-05 O'brien; Eric G. Portable illuminated sign
DE10345884A1 (de) * 2003-09-30 2005-05-12 Siemens Ag Anzeige mit Hinterleuchtungseinheit
JP2005189629A (ja) * 2003-12-26 2005-07-14 Sankei Giken Kk 照明付表示装置
DE102005045368A1 (de) * 2004-10-04 2006-04-13 Zumtobel Staff Gmbh Halteelement für eine Batterie oder einen Akkumulator
JPWO2010001604A1 (ja) * 2008-07-01 2011-12-15 ハリソン東芝ライティング株式会社 照明装置
DE202010002049U1 (de) 2010-02-09 2011-06-09 Zumtobel Lighting Gmbh Leuchte mit biegsamem Lichtbeeinflussungselement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2650867A2 (fr) 2013-10-16
DE202012101308U1 (de) 2013-07-15
EP2650867A3 (fr) 2014-04-30

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