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EP1588094A2 - Portable lighting device with a light emitting diode - Google Patents

Portable lighting device with a light emitting diode

Info

Publication number
EP1588094A2
EP1588094A2 EP04705836A EP04705836A EP1588094A2 EP 1588094 A2 EP1588094 A2 EP 1588094A2 EP 04705836 A EP04705836 A EP 04705836A EP 04705836 A EP04705836 A EP 04705836A EP 1588094 A2 EP1588094 A2 EP 1588094A2
Authority
EP
European Patent Office
Prior art keywords
lighting lamp
lamp according
diode
focusing device
optical focusing
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
EP04705836A
Other languages
German (de)
French (fr)
Other versions
EP1588094B1 (en
Inventor
Paul Petzl
Alain Maurice
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.)
Zedel SAS
Original Assignee
Zedel SAS
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 Zedel SAS filed Critical Zedel SAS
Publication of EP1588094A2 publication Critical patent/EP1588094A2/en
Application granted granted Critical
Publication of EP1588094B1 publication Critical patent/EP1588094B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • F21V14/065—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors in portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • a LED light-emitting diode conventionally comprises a semiconductor component associated with a reflector inside a transparent plastic envelope, for example based on epoxy resin.
  • the front part of the molded envelope constitutes an internal lens or magnifying glass, traversed by the light radiation produced by the light-emitting diode following its connection to a power source.
  • the viewing angle emitted by the diode depends on the shape of the reflector and the internal distance between the component and the lens. This viewing angle is constant for a type of LED diode, for example 20 °, and concentrates the majority of the useful light flux.
  • an LED diode To vary the intensity of the light flux emitted by an LED diode, it is conventional to supply it via an electronic circuit with adjustable current, for example a DC-DC converter, or a microcontroller connected to a battery. or batteries. This adjustment of the supply current causes a variation in the lighting power, but does not act on the angle of radiation of the useful light beam.
  • a conventional reflector of an incandescent lamp also does not make it possible to vary the viewing angle of an LED diode, since it acts in an area where the lamp emits very little light.
  • the object of the invention is to produce a portable lighting lamp with LED diode making it possible to easily adjust the angle of the cone of illumination of said LED diode, to adjust the concentration of the light flux.
  • FIGS. 18 and 19 are sectional views of the lamp along lines 18-18 and 19-19 of Figures 17 and 15.
  • a lamp L2 comprises a rectangular-shaped housing 28, having a compartment for housing the emitter module ME, and a sliding drawer 33 integrating the optical focusing device 15.
  • the drawer 33 is movable in translation in a vertical plane perpendicular to the light beam by means of guide grooves 29 provided in the housing 28.
  • the drawer 33 is protected by a removable cap 34 which can be inserted in the housing 28.
  • a gripping lug 35 makes it possible to move the drawer 33 between the retracted position ( Figures 19) and the exposed position ( Figure 18).
  • the cap 34 can remain in place during this adjustment operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Led Device Packages (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Devices (AREA)

Abstract

The portable light source (10) has an electro-luminescent diode (11) emitting a beam of light, a support (12) and connection for the diode, and an optical screen (15) which can be moved in front of the diode to vary the angle of divergence of the beam. The optical device carries a one or more Fresnel lenses (16) mounted on a plate (17) which can be moved over the front of the diodes.

Description

Dispositif d'éclairage portatif à diode électroluminescentePortable light emitting diode device
Domaine technique de l'inventionTechnical field of the invention
L'invention concerne un dispositif d'éclairage portatif comprenant au moins une diode électroluminescente pour l'émission d'un faisceau lumineux, un élément de fixation et de connexion de ladite diode, et des moyens de réglage du faisceau lumineux.The invention relates to a portable lighting device comprising at least one light-emitting diode for the emission of a light beam, a fixing and connection element of said diode, and means for adjusting the light beam.
État de la techniqueState of the art
Une diode électroluminescente LED comprend d'une manière classique un composant semi-conducteur associé à un réflecteur à l'intérieur d'une enveloppe en matière plastique transparente, par exemple à base de résine époxyde. La partie antérieure de l'enveloppe moulée constitue une lentille ou loupe interne, traversée par le rayonnement lumineux produit par la diode électroluminescente suite à son raccordement à une source d'alimentation. L'angle de visualisation émis par la diode dépend de la forme du réflecteur et de la distance interne entre le composant et la lentille. Cet angle de visualisation est constant pour un type de diode LED, par exemple de 20°, et concentre la majorité du flux lumineux utile.A LED light-emitting diode conventionally comprises a semiconductor component associated with a reflector inside a transparent plastic envelope, for example based on epoxy resin. The front part of the molded envelope constitutes an internal lens or magnifying glass, traversed by the light radiation produced by the light-emitting diode following its connection to a power source. The viewing angle emitted by the diode depends on the shape of the reflector and the internal distance between the component and the lens. This viewing angle is constant for a type of LED diode, for example 20 °, and concentrates the majority of the useful light flux.
Pour faire varier l'intensité du flux lumineux émis par une diode LED, il est classique de l'alimenter par l'intermédiaire d'un circuit électronique à courant réglable, par exemple un convertisseur DC-DC, ou un microcontrôleur raccordé à une batterie ou des piles. Ce réglage du courant d'alimentation provoque une variation de la puissance d'éclairement, mais n'agit pas sur l'angle de rayonnement du faisceau lumineux utile. Un réflecteur classique d'une lampe à incandescence ne permet pas non plus de faire varier l'angle de visualisation d'une diode LED, car il agit dans une zone où la lampe émet très peu de lumière.To vary the intensity of the light flux emitted by an LED diode, it is conventional to supply it via an electronic circuit with adjustable current, for example a DC-DC converter, or a microcontroller connected to a battery. or batteries. This adjustment of the supply current causes a variation in the lighting power, but does not act on the angle of radiation of the useful light beam. A conventional reflector of an incandescent lamp also does not make it possible to vary the viewing angle of an LED diode, since it acts in an area where the lamp emits very little light.
Le document US 6474837 concerne une lampe d'éclairage à diodes électroluminescentes, comprenant un plateau tournant en forme de diaphragme percé d'orifices et muni de lentilles placées au droit des orifices.Document US 6474837 relates to a light-emitting diode lighting lamp, comprising a rotating plate in the form of a diaphragm pierced with orifices and provided with lenses placed in line with the orifices.
Le document W0 01/57431 décrit un dispositif d'éclairage composé d'une diodeThe document W0 01/57431 describes a lighting device composed of a diode
LED devant laquelle est agencée en permanence une lentille déplaçable en translation pour modifier la distance relative par rapport à la diode.LED in front of which a lens movable in translation is permanently arranged to modify the relative distance with respect to the diode.
Objet de l'inventionSubject of the invention
L'invention a pour but de réaliser une lampe d'éclairage portative à diode LED permettant de régler facilement l'angle du cône d'éclairement de ladite diode LED, pour ajuster la concentration du flux lumineux.The object of the invention is to produce a portable lighting lamp with LED diode making it possible to easily adjust the angle of the cone of illumination of said LED diode, to adjust the concentration of the light flux.
Selon l'invention, ce but est atteint par le fait que les moyens de réglage comportent au moins un dispositif optique de focalisation susceptible d'être déplacé manuellement par un support mobile devant la diode LED pour faire varier l'angle de visualisation du faisceau lumineux. Il est ainsi possible d'obtenir soit un éclairage large et de portée courte, soit un éclairage étroit et de portée longue.According to the invention, this object is achieved by the fact that the adjustment means comprise at least one optical focusing device capable of being moved manually by a mobile support in front of the LED diode to vary the viewing angle of the light beam . It is thus possible to obtain either wide lighting and short range, or narrow lighting and long range.
Le dispositif optique de focalisation comporte une lentille ou une loupe montée sur un support bistable agencé selon une plaque basculante ou coulissante, ou un bouton rotatif. Selon un mode de réalisation préférentiel, les lentilles du type Fresnel sont intégrées dans un support transparent pour former une pièce monobloc. Le support est réalisé notamment en polycarbonate, en résine ou en tout autre matériau d'optique intégrée.The optical focusing device comprises a lens or a magnifying glass mounted on a bistable support arranged according to a tilting or sliding plate, or a rotary button. According to a preferred embodiment, the Fresnel type lenses are integrated in a transparent support to form a single piece. The support is made in particular of polycarbonate, resin or any other integrated optical material.
Le bouton rotatif est déplaçable axialement sur l'embout pour faire varier la distance axiale ménagée entre l'extrémité du bouton et une butée de l'élément de fixation en provoquant un réglage continu de l'angle du cône d'éclairage du faisceau émis par la diode.The rotary button is axially movable on the end piece to vary the axial distance provided between the end of the button and a stop of the fixing element by causing a continuous adjustment of the angle of the light cone of the beam emitted by the diode.
Description sommaire des dessinsBrief description of the drawings
D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de modes particuliers de réalisation de l'invention donnés à titre d'exemples non limitatifs et représentés aux dessins annexés, dans lesquels :Other advantages and characteristics will emerge more clearly from the description which follows of particular embodiments of the invention given by way of nonlimiting examples and represented in the appended drawings, in which:
- la figure 1 est une vue schématique en perspective d'un dispositif d'éclairage portatif selon l'invention ; les figures 2 et 3 montrent des vues de face et de profil de la figure 1 , le dispositif optique de focalisation- étant représenté dans la position inactive ; les figures 4 et 5 montrent des vues identiques des figures 2 et 3, avec le dispositif optique de focalisation déplacé par basculement vers la position active ; les figures 6 et 7 illustrent une variante de réalisation du dispositif de la figure 1 , respectivement après montage et enlèvement du dispositif optique de focalisation à bouton rotatif ; les figures 8 et 9 sont des vues de face de la figure 6, respectivement en position inaetive et en position active du bouton rotatif ; les figures 10 et 11 représentent des vues en coupe selon la ligne 10-10 de la figure 8, pour un réglage continu de focalisation par déplacement axial du bouton rotatif entre deux positions extrêmes; les figures 11A et 11 B représentent respectivement une vue de face et une vue en coupe d'une lentille de Fresnel utilisée dans le dispositif optique de focalisation ;- Figure 1 is a schematic perspective view of a portable lighting device according to the invention; Figures 2 and 3 show front and side views of Figure 1, the optical focusing device being shown in the inactive position; Figures 4 and 5 show identical views of Figures 2 and 3, with the optical focusing device moved by tilting to the active position; Figures 6 and 7 illustrate an alternative embodiment of the device of Figure 1, respectively after assembly and removal of the optical focusing device with rotary button; FIGS. 8 and 9 are front views of FIG. 6, respectively in the inaetive position and in the active position of the rotary button; Figures 10 and 11 show sectional views along line 10-10 of Figure 8, for continuous focus adjustment by axial movement of the rotary knob between two extreme positions; FIGS. 11A and 11B respectively represent a front view and a sectional view of a Fresnel lens used in the optical focusing device;
- les figures 12 et 13 montrent des vues en perspective d'une lampe d'éclairage équipé d'un dispositif optique de focalisation à plaque pivotante, respectivement en position active et en position inactive ;- Figures 12 and 13 show perspective views of a lighting lamp equipped with an optical focusing device with pivoting plate, respectively in the active position and in the inactive position;
- la figure 14 est une vue en coupe verticale de la figure 13 ;- Figure 14 is a vertical sectional view of Figure 13;
- les figures 15 à 17 représentent une variante de réalisation de la lampe avec un dispositif optique de focalisation coulissant dans un plan vertical, et illustré respectivement en position inactive avant et après enlèvement d'un capuchon de protection, et en position active ;- Figures 15 to 17 show an alternative embodiment of the lamp with an optical focusing device sliding in a vertical plane, and illustrated respectively in the inactive position before and after removal of a protective cap, and in the active position;
- les figures 18 et 19 sont des vues en coupe de la lampe selon les lignes 18- 18 et 19-19 des figures 17 et 15.- Figures 18 and 19 are sectional views of the lamp along lines 18-18 and 19-19 of Figures 17 and 15.
Description de modes particuliers de réalisation.Description of particular embodiments.
En référence aux figures 1 à 5, un dispositif d'éclairage 10 portatif comprend un module émetteur ME équipé d'au moins une diode LED électroluminescente 1 1 pour l'émission d'un faisceau lumineux, un élément 12 de fixation et de connexion de ladite diode, et des moyens de réglage du faisceau lumineux.Referring to Figures 1 to 5, a portable lighting device 10 comprises a transmitter module ME equipped with at least one LED light emitting diode 1 1 for the emission of a light beam, an element 12 for fixing and connection of said diode, and means for adjusting the light beam.
Dans l'exemple illustré, deux diodes LED sont utilisées, mais il est clair que le module émetteur ME peut être constitué d'une seule diode ou d'une pluralité de diodes 1 1 en fonction de la puissance nominale souhaitée. L'élément 12 de forme rectangulaire est solidarisé à une embase 13 équipée d'une paire de fentes 14 destinées à recevoir la sangle de fixation (non représentée) de la lampe frontale.In the example illustrated, two LED diodes are used, but it is clear that the transmitter module ME can consist of a single diode or of a plurality of diodes 1 1 depending on the desired nominal power. The element 12 of rectangular shape is secured to a base 13 equipped with a pair of slots 14 intended to receive the fixing strap (not shown) of the headlamp.
Pour faire varier l'angle du cône d'éclairement émis par les diodes LED 11 , les moyens de réglage comportent un dispositif optique de focalisation 15 susceptible d'être déplacé manuellement par l'utilisateur devant chaque diode LED. On peut ainsi obtenir deux réglages du cône d'éclairement, soit un éclairage large et de portée courte, soit un éclairage étroit et de portée longue.To vary the angle of the illumination cone emitted by the LED diodes 11, the adjustment means comprise an optical focusing device 15 capable of being moved manually by the user in front of each LED diode. It is thus possible to obtain two adjustments of the illumination cone, either wide lighting and of short range, or narrow lighting and of long range.
Le dispositif optique de focalisation 15 comporte avantageusement deux lentilles de Fresnel 16 solidaires d'un support mobile 17 déplaçable entre une position inactive située en dehors du champ d'émission lumineux des diodes 11 (figures 1 à 3), et une position active (figures 4 et 5) dans laquelle les lentilles 16 sont traversées par ledit faisceau lumineux en subissant une déviation de l'angle de visualisation.The optical focusing device 15 advantageously comprises two Fresnel lenses 16 secured to a movable support 17 movable between an inactive position located outside the light emission field of the diodes 11 (Figures 1 to 3), and an active position (Figures 4 and 5) in which the lenses 16 are crossed by said light beam while undergoing a deviation of the viewing angle.
Les lentilles 16 sont portées par une plaque rabattable du support 17, lequel est monté à pivotement autour d'un axe horizontal 18 agencé à la partie supérieure de l'embase.13. Dans la position inactive, la plaque du support 17 prend appui sur le rebord supérieur de l'élément 12 en laissant apparaître les diodes 11 ; Dans la position active, l'utilisateur rabat la plaque du support 17 mobile devant la face avant du dispositif d'éclairage 10 (flèche F1 , figure 5), obligeant le faisceau lumineux émis par les diodes 11 à traverser les lentilles 16. Il en résulte alors une variation de l'angle de visualisation et du cône d'éclairement, pour obtenir soit un éclairage large et de portée courte, soit un éclairage étroit et de portée longue. Les figures 11A et 11 B représentent une lentille de Fresnel 11 utilisée dans le dispositif optique de focalisation 15 des figures 1 à 5. Elle comporte un substrat 19 transparent plat, réalisé en polycarbonate ou résine, dans lequel sont gravées des stries 20 réparties en plusieurs pistes 21 circulaires concentriques sur l'une des faces. La partie centrale 22 de la lentille 11 est légèrement bombée et dépourvue de stries 20.The lenses 16 are carried by a folding plate of the support 17, which is pivotally mounted around a horizontal axis 18 arranged at the upper part of the base. 13. In the inactive position, the support plate 17 bears on the upper edge of the element 12, revealing the diodes 11; In the active position, the user folds the support plate 17 movable in front of the front face of the lighting device 10 (arrow F1, FIG. 5), forcing the light beam emitted by the diodes 11 to pass through the lenses 16. It a variation of the viewing angle and of the cone of illumination then results, in order to obtain either wide lighting and of short range, or narrow lighting and of long range. FIGS. 11A and 11B represent a Fresnel lens 11 used in the optical focusing device 15 of FIGS. 1 to 5. It comprises a flat transparent substrate 19, made of polycarbonate or resin, in which are engraved streaks 20 distributed in several circular tracks 21 concentric on one of the faces. The central part 22 of the lens 11 is slightly curved and devoid of streaks 20.
Il est clair que l'élément de support 12 mobile peut comprendre une pluralité de lentilles 16 correspondant à un même nombre de diodes LED. Ces dernières peuvent être disposées en alignement , en quinconce, ou réparties angulairement à intervalles réguliers autour de la périphérie du dispositif optique de focalisation 15.It is clear that the movable support element 12 can comprise a plurality of lenses 16 corresponding to the same number of LED diodes. The latter can be arranged in alignment, staggered, or distributed angularly at regular intervals around the periphery of the optical focusing device 15.
Sur la variante de réalisation des figures 6 à 11 , les mêmes numéros de repères seront utilisés pour désigner des pièces identiques ou similaires à celles des figures 1 à 5. Le dispositif optique de focalisation 15 au lieu d'être monté sur un support 17 à plaque rabattable, est fixé sur un bouton 23 rotatif susceptible de tourner sur un embout 24 de l'élément de support 12 de forme circulaire. Les deux lentilles 16 sont diamétralement opposées, et la course angulaire de réglage du bouton 23 entre la position inactive (figure 8) et la position activeIn the alternative embodiment of FIGS. 6 to 11, the same reference numbers will be used to designate parts which are identical or similar to those of FIGS. 1 to 5. The optical focusing device 15 instead of being mounted on a support 17 to folding plate, is fixed to a rotary knob 23 capable of rotating on a nozzle 24 of the support element 12 of circular shape. The two lenses 16 are diametrically opposite, and the angular travel of adjustment of the button 23 between the inactive position (FIG. 8) and the active position
(figure 9) correspond à un quart de tour dans le cas de deux LED.(figure 9) corresponds to a quarter turn in the case of two LEDs.
Sur les figures 10 et 11 , la distance d entre l'extrémité du bouton 23 et une butée 25 de l'élément de support 12 peut être modifiée au cours d'un mouvement de déplacement axial du dispositif de focalisation. Il en résulte un réglage continu de l'angle du cône d'éclairage du faisceau lumineux suite au mouvement relatif de la lentille 16 par rapport à la diode 11. En référence aux figures 12 à 14, une lampe L1 est dotée d'un module émetteur ME avec une seule diode 1 1 montée à l'arrière sur un radiateur 31 et associée à l'avant à une loupe 30. Un tel module émetteur ME à semiconducteur est un composant standard du commerce, logé à l'intérieur du boîtier 28 et destiné à émettre un faisceau lumineux à travers un orifice 32 circulaire du boîtier. Une plaque 26 porte le dispositif optique de focalisation 15, lequel peut être réalisé en optique intégré, par exemple en polycarbonate ou en verre. La plaque 26 est montée à pivotement autour d'un axe horizontal situé sous le module émetteur ME. Dans la position active (figure 12), la plaque 26 est placée devant la loupe 30, et est traversée par le faisceau émis par la diode 1 1 . Dans la position inactive (figures 13 et 14), la plaque 26 est abaissée en prenant appui sur un rebord 27 fixe du boîtier 28 pour être protégée.In FIGS. 10 and 11, the distance d between the end of the button 23 and a stop 25 of the support element 12 can be modified during a movement of axial displacement of the focusing device. This results in a continuous adjustment of the angle of the light beam cone following the relative movement of the lens 16 relative to the diode 11. With reference to FIGS. 12 to 14, a lamp L1 is provided with a transmitter module ME with a single diode 1 1 mounted at the rear on a radiator 31 and associated at the front with a magnifying glass 30. Such a transmitter module ME semiconductor is a standard commercial component, housed inside the housing 28 and intended to emit a light beam through a circular orifice 32 of the housing. A plate 26 carries the optical focusing device 15, which can be produced in integrated optics, for example polycarbonate or glass. The plate 26 is pivotally mounted around a horizontal axis located under the transmitter module ME. In the active position (Figure 12), the plate 26 is placed in front of the magnifying glass 30, and is crossed by the beam emitted by the diode 1 1. In the inactive position (Figures 13 and 14), the plate 26 is lowered by pressing on a fixed flange 27 of the housing 28 to be protected.
Selon la variante de réalisation selon les figures 15 à 19, une lampe L2 comporte un boîtier 28 de forme rectangulaire, ayant un compartiment de logement du module émetteur ME, et un tiroir 33 coulissant intégrant le dispositif optique de focalisation 15. Le tiroir 33 est mobile en translation dans un plan vertical perpendiculaire au faisceau lumineux grâce à des rainures 29 de guidage prévues dans le boîtier 28. Le tiroir 33 est protégé par un capuchon 34 amovible pouvant être enfiché dans le boîtier 28. Un ergot de préhension 35 permet de déplacer le tiroir 33 entre la position rétractée (figures 19) et la position apparente (figure 18). Le capuchon 34 peut rester en place durant cette opération de réglage.According to the variant embodiment according to FIGS. 15 to 19, a lamp L2 comprises a rectangular-shaped housing 28, having a compartment for housing the emitter module ME, and a sliding drawer 33 integrating the optical focusing device 15. The drawer 33 is movable in translation in a vertical plane perpendicular to the light beam by means of guide grooves 29 provided in the housing 28. The drawer 33 is protected by a removable cap 34 which can be inserted in the housing 28. A gripping lug 35 makes it possible to move the drawer 33 between the retracted position (Figures 19) and the exposed position (Figure 18). The cap 34 can remain in place during this adjustment operation.
Le tiroir 33 constitue une pièce monobloc, ayant une distance focale prédéterminée. Cette pièce est facilement interchangeable après retrait du capuchon 34. The drawer 33 constitutes a single piece, having a predetermined focal distance. This part is easily interchangeable after removal of the cap 34.

Claims

Revendications claims
1. Lampe d'éclairage (10) portative comprenant un module émetteur (ME) équipé d'au moins une diode électroluminescente (11) pour l'émission d'un faisceau lumineux, un élément (12) de fixation et de connexion de ladite diode, et des moyens de réglage du faisceau lumineux, caractérisée en ce que les moyens de réglage comportent au moins un dispositif optique de focalisation (15) déplaçable manuellement au moyen d'un support mobile (17) entre une position inactive située en dehors du champ d'émission lumineux de la diode, et une position active en regard de la diode(11) pour faire varier l'angle de visualisation du faisceau lumineux.1. Portable lighting lamp (10) comprising a transmitter module (ME) equipped with at least one light-emitting diode (11) for the emission of a light beam, an element (12) for fixing and connection of said diode, and means for adjusting the light beam, characterized in that the adjustment means comprise at least one optical focusing device (15) which can be moved manually by means of a movable support (17) between an inactive position situated outside the light emission field of the diode, and an active position opposite the diode (11) for varying the viewing angle of the light beam.
2. Lampe d'éclairage selon la revendication 1 , caractérisée en ce que le dispositif optique de focalisation (15) est intégré dans un support transparent pour former une pièce monobloc.2. Lighting lamp according to claim 1, characterized in that the optical focusing device (15) is integrated in a transparent support to form a single piece.
3. Lampe d'éclairage selon la revendication 1 ou 2, caractérisée en ce que le dispositif optique de focalisation (15). est formé par au moins une lentille3. Lighting lamp according to claim 1 or 2, characterized in that the optical focusing device (15). is formed by at least one lens
(16).(16).
4. Lampe d'éclairage selon la revendication 3, caractérisée en ce que la lentille4. Lighting lamp according to claim 3, characterized in that the lens
(16) est une lentille de Fresnel.(16) is a Fresnel lens.
5. Lampe d'éclairage selon la revendication 1 ou 2, caractérisée en ce que le dispositif optique de focalisation (15) est formé par au moins une loupe. 5. Lighting lamp according to claim 1 or 2, characterized in that the optical focusing device (15) is formed by at least one magnifying glass.
6. Lampe d'éclairage selon la revendication 3, caractérisée en ce que le support mobile (17) comprend une pluralité de lentilles (16) correspondant à un même nombre de diodes (11).6. Lighting lamp according to claim 3, characterized in that the movable support (17) comprises a plurality of lenses (16) corresponding to the same number of diodes (11).
7. Lampe d'éclairage selon la revendication 1 , caractérisée en ce que le support mobile (17) est bistable pour obtenir un éclairage large de portée courte, ou un éclairage étroit de portée longue.7. Lighting lamp according to claim 1, characterized in that the movable support (17) is bistable to obtain wide lighting of short range, or narrow lighting of long range.
8. Lampe d'éclairage selon la revendication 1 , caractérisée en ce que le support mobile (17) est formé par une plaque (26) basculante montée à pivotement autour d'un axe (18) s'étendant orthogonalement par rapport à la diode (11).8. Lighting lamp according to claim 1, characterized in that the mobile support (17) is formed by a tilting plate (26) pivotally mounted about an axis (18) extending orthogonally to the diode (11).
9. Lampe d'éclairage selon la revendication 8, caractérisée en ce que la plaque (26) du dispositif optique de focalisation (15) prend appui en position inactive sur un rebord (27) fixe du boîtier (28) de logement de la lampe.9. Lighting lamp according to claim 8, characterized in that the plate (26) of the optical focusing device (15) bears in the inactive position on a rim (27) fixed to the housing (28) for housing the lamp .
10. Lampe d'éclairage selon la revendication 1 , caractérisée en ce que le support mobile (17) est formé par un bouton rotatif (23) susceptible de tourner sur un embout (24) de l'élément (12) de fixation.10. Lighting lamp according to claim 1, characterized in that the movable support (17) is formed by a rotary button (23) capable of turning on an end piece (24) of the fixing element (12).
11. Lampe d'éclairage selon la revendication 9, caractérisé en ce que le bouton rotatif (23) est déplaçable axialement sur l'embout (24) pour faire varier la distance d axiale ménagée entre l'extrémité du bouton (23) et une butée (25) de l'élément de fixation(12) en provoquant un réglage continu de l'angle du cône d'éclairage du faisceau émis par la diode (11).11. Lighting lamp according to claim 9, characterized in that the rotary button (23) is axially movable on the end piece (24) to vary the axial distance d formed between the end of the button (23) and a stop (25) of the fixing element (12) by causing a continuous adjustment of the angle of the light cone of the beam emitted by the diode (11).
12. Lampe d'éclairage selon la revendication 1, caractérisée en ce que le support mobile (17) du dispositif optique de focalisation (15) est formé par un tiroir (33) monté à coulissement dans des rainures (29) du boîtier (28) en se déplaçant dans un plan perpendiculaire au faisceau lumineux.12. Lighting lamp according to claim 1, characterized in that the movable support (17) of the optical focusing device (15) is formed by a drawer (33) slidably mounted in grooves (29) of the housing (28) while moving in a plane perpendicular to the light beam.
13. Lampe d'éclairage selon la revendication 12, caractérisée en ce que le tiroir (33) du dispositif optique de focalisation (15) est constitué par une pièce interchangeable ayant une distance focale prédéterminée.13. Lighting lamp according to claim 12, characterized in that the drawer (33) of the optical focusing device (15) is constituted by an interchangeable part having a predetermined focal distance.
14. Lampe d'éclairage selon la revendication 12 ou 13, caractérisée en ce que le tiroir (33) est protégé par un capuchon (34) amovible pouvant être enfiché dans le boîtier, et autorisant le coulissement du tiroir (33) entre la position rétractée et la position apparente.14. Lighting lamp according to claim 12 or 13, characterized in that the drawer (33) is protected by a removable cap (34) which can be inserted in the housing, and authorizing the sliding of the drawer (33) between the position retracted and the position apparent.
15. Lampe d'éclairage selon la revendication 1 , caractérisée en ce que le module émetteur (ME) comporte une diode (11 ) électroluminescente connectée à l'arrière sur un radiateur (31) et associée à l'avant à une loupe15. Lighting lamp according to claim 1, characterized in that the transmitter module (ME) comprises a light-emitting diode (11) connected at the rear to a radiator (31) and associated at the front with a magnifying glass
(30). (30).
EP04705836A 2003-01-29 2004-01-28 Portable lighting device with a light emitting diode Expired - Lifetime EP1588094B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0300980A FR2850448B1 (en) 2003-01-29 2003-01-29 PORTABLE LIGHT EMITTING DEVICE WITH ELECTROLUNINESCENT DIODE
FR0300980 2003-01-29
PCT/FR2004/000199 WO2004070268A2 (en) 2003-01-29 2004-01-28 Portable lighting device with a light emitting diode

Publications (2)

Publication Number Publication Date
EP1588094A2 true EP1588094A2 (en) 2005-10-26
EP1588094B1 EP1588094B1 (en) 2008-03-12

Family

ID=32669304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04705836A Expired - Lifetime EP1588094B1 (en) 2003-01-29 2004-01-28 Portable lighting device with a light emitting diode

Country Status (7)

Country Link
US (2) US7192165B2 (en)
EP (1) EP1588094B1 (en)
CN (1) CN100529521C (en)
AT (1) ATE389146T1 (en)
DE (1) DE602004012389T2 (en)
FR (1) FR2850448B1 (en)
WO (1) WO2004070268A2 (en)

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US11639789B2 (en) 2021-01-13 2023-05-02 Streamlight, Inc. Portable light and keyed rechargeable USB battery
USD999332S1 (en) 2018-10-09 2023-09-19 Streamlight, Inc. Rail mountable gun light with rotationally keyed mount assembly

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USD999332S1 (en) 2018-10-09 2023-09-19 Streamlight, Inc. Rail mountable gun light with rotationally keyed mount assembly
US11639789B2 (en) 2021-01-13 2023-05-02 Streamlight, Inc. Portable light and keyed rechargeable USB battery

Also Published As

Publication number Publication date
FR2850448B1 (en) 2006-01-20
CN100529521C (en) 2009-08-19
CN1705848A (en) 2005-12-07
EP1588094B1 (en) 2008-03-12
US7192165B2 (en) 2007-03-20
FR2850448A1 (en) 2004-07-30
DE602004012389D1 (en) 2008-04-24
ATE389146T1 (en) 2008-03-15
DE602004012389T2 (en) 2009-04-23
US20070097674A1 (en) 2007-05-03
WO2004070268A3 (en) 2004-09-16
US20060056175A1 (en) 2006-03-16
WO2004070268A2 (en) 2004-08-19
US7226190B2 (en) 2007-06-05

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