EP0843127B1 - Leuchtstofflampen-Beleuchtungseinrichtung mit drehbaren Reflektoren - Google Patents

Leuchtstofflampen-Beleuchtungseinrichtung mit drehbaren Reflektoren Download PDF

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Publication number
EP0843127B1
EP0843127B1 EP97500193A EP97500193A EP0843127B1 EP 0843127 B1 EP0843127 B1 EP 0843127B1 EP 97500193 A EP97500193 A EP 97500193A EP 97500193 A EP97500193 A EP 97500193A EP 0843127 B1 EP0843127 B1 EP 0843127B1
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EP
European Patent Office
Prior art keywords
reflectors
reflector
luminaire
pivotally adjustable
fluorescent luminaire
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.)
Expired - Lifetime
Application number
EP97500193A
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English (en)
French (fr)
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EP0843127A3 (de
EP0843127A2 (de
Inventor
Leon Alejandro Lassovsky
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Individual
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Individual
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    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the invention refers to a fluorescent luminaire which is structured in such a way that it permits the user to reorientate the light reflected before, during and after its installation "in situ”.
  • Another object of the invention is that the user has available a medium with which to focus the light, generally dispersed over a wide zone, onto one single zone.
  • the user may use the luminaire to highlight a zone of interest without incurring in the expense entailed by costly specialized illuminating luminaires.
  • Another object of the invention is to avail the user with a medium with which to use different types of mirror coated material in one same luminaire in order to achieve a light obtained in a desired colour.
  • Another object of the invention is to avail the user with a medium with which to change the reflectors in a rapid and simple manner, without having to disassemble the luminaire.
  • Another object of the invention is to provide the actual lamp with means by which an effective input and output of air, in or from an air conditioning apparatus, is permitted.
  • Another object of the invention is that of being capable of having a lamp with reduced consumption of energy and maintenance cost.
  • an additional object of the invention is to provide a luminaire which permits the user to determine the shearing angles as from which, said luminaire shall not project light.
  • the field related to fluorescent illumination has experienced an appreciable improvement by means of the use of novel and more reflectant mirror coated materials, as for example, silver and aluminium, the reflectancy of which is of 67% and 96% respectively.
  • novel and more reflectant mirror coated materials as for example, silver and aluminium, the reflectancy of which is of 67% and 96% respectively.
  • the capacity of these materials to reflect a greater part of the light which falls on their surfaces at the same angle as that formed with the luminous source, has permitted the experts in illumination to have a considerable optic control on the manner in which the light generated in a luminaire may be reflected.
  • Said control explains the fact that some luminaire may direct practically all the light produced in their interior towards the zones which must be illuminated, without permitting a senseless bounch-back into the interior of the constitutive body of the luminaire, generating heat which increases the use of air conditioning systems and which shortens the service life of the lamps.
  • the versatility of said devices is still not optimum.
  • the majority of the mirror coated reflectors of the state of the art are manufactured in order to meet well known illumination criteria, based on the final use of the location of the installation. In order to assure the installation of the luminaire, accurate measurements are taken on location, adapting the design of the suitable reflector and molding or bending the material of the mirror coated reflector (generally in the form of metallic sheet) to obtain the accurate angles at which the light is to be reflected.
  • EP-A-0 206 702 which relates to portable lanterns having adjustable reflector assemblies.
  • portable lanterns typically project light in a horizontal plane extending over 360° and this lantern characteristic can bother nearby people by projecting unwanted light onto their campsites.
  • a further intent of this invention relates to a mechanism which will enable a portable lantern to direct light in 360 degrees, when there is no one to be bothered by an indiscriminate projection of light, and a means to "limit the angular extent of the lantern' s ; projected light e.g. to 180 degrees so as not to disturb neighboring campers (Pg.1, Lines 5-13).
  • document US-A-4,499,529 reveals a substantially M-shaped light reflecting element extending in a coaxial parallel longitudinal fashion along a light source, the element having a central V section and at least two wing sections centrally positioned about said central V section.
  • the recommended luminaire system has been conceived in order to solve all the previously described problems, based on an enormously simple and effective solution, the luminaire being constituted as from a support for assembly and placing of various rotational reflectors and for a fixed reflector, as well as for at least, one illumination element constituted by a fluorescent tube, as regards which, the previously indicated reflectors shall remain placed parallel to each other.
  • the luminaire provides means which permit the user to reorientate the reflection of the light which emanates from the fluorescent lamp, changing the angle of the light which falls on the surface of the mirror coated reflectors placed in their interior, including at least, two mirror coated reflectors and preferably, six reflectors, all of them attached to respective rotating devices based on which, the angle of the light which falls on the surface of the reflector is capable of being changed, keeping the longitudinal surface of said reflector parallel to the fluorescent lamp, rotating the transversal surface of said reflector.
  • the reflectors may have a diverse configuration, from a flat configuration, to a concave and/or convex configuration, and even have one, two or three reflection surfaces.
  • the rotating device for each one of the reflectors it shall be based on a toothed wheel which meshes with a cylindrical axis with helicoidal threads for the meshing of said wheel, in such a way, that by means of an axis activating device, the slow rotation of the toothed wheel is achieved, to which the corresponding reflector is logically attached.
  • Figure 1 represents an exploded general view, in perspective, of a preferred embodiment of the luminaire system which is the object of the invention.
  • Figure 2 shows an exploded view corresponding to a cross section of the luminaire system represented in the previous figure.
  • Figure 3 shows a specific embodiment of a rotating device for the corresponding reflector, said device presenting the particularity of being of the blocking type.
  • Figure 4 shows another embodiment of a rotating double device for various reflectors, also being of the blocking type.
  • Figure 5 shows a detail of a rotating device assembled on a side wall, which permits the reflectors to be moved from the outside.
  • Figure 6 shows a side and front sketch of a device which permits the reflector to be moved from the inside of the casing.
  • Figure 7 shows a sketch of the light reflected from a mirror coated reflector surface according to the object of the invention.
  • Figure 8 shows the light reflected from a mirror coated reflector surface, according to figure 6, though sloped in compliance with an out of phase of 15o, as regards the illumination lamp.
  • Figure 9 shows an exploded, and perspective detail of three preferred configurations of a reflector with a single surface, one of these being flat, the other concave-curved and the other convex-curved.
  • Figure 10 shows a detail of the three reflectors represented in the previous figure, with a beam of light falling on them, with the corresponding reflection of the same.
  • Figure 11 shows a detail corresponding to a preferred configuration of a reflector with double surface.
  • Figure 12 finally shows, another detail corresponding to the preferred configuration of a reflector with triple surface.
  • the luminaire system which is the object of the invention, includes a mechanical support (1) in which a series of rotating devices (2) are placed, based on which, other such mirror coated reflectors (3) will be made to turn, and which are assembled on the support (1) in a distant and parallel arrangement to a fluorescent lamp which is assembled on the corresponding connecting element (4).
  • the mirror coated reflectors (3) are rotational in virtue of the rotating devices (2), complementing the same with a fixed reflector (5) which has an angular configuration as may be clearly observed from figure 2.
  • the luminaire may be complemented with other reflectors (5') which are also fixed and which, as is represented in figures 1 and 2, are flat, that is to say, they do not have the angular configuration of the reflector (5).
  • the rotating devices (2) are activated as from an element (6), by means of a threaded rod (8), with a suitable tool, as for example, a screwdriver.
  • rods (8) are elongated in such a manner that they project from the edge of the support (1), they could be handled with the fingers.
  • the bottom support (1) may be optionally complemented with a base (1'), the support (1) being capable of sliding over the base (1') so that the luminosity produced by the system changes in such a way that the luminous beam is greater or smaller, in such a manner that in order to permit the operation, bolts or screws (1") are necessary, which secure the assembly to be threaded and to pass through the bottom support (1) and base (1') placed below the same, said base (1') being the one which constitutes the actual modifier of the luminous beam, with orifices (1''').
  • the orifices for the passage of screw (1") are slit in front-back direction, as may be observed in figures 1 and 2, which additionally permit an angular adjustment for the support (1).
  • base (1') has been represented as a laminar rectangular body to facilitate the task of comprehension, though it must be understood that it forms part of a rectangular prismatic housing, on which base (1') is one of its minor faces, said housing enveloping all the illumination system.
  • a beam of light (9) emitted from an illumination lamp (L) reaches the mirror coated reflector (3) and is reflected, defining the beam (9'), as is represented in figure 7, whilst if the position of the mirror coated reflector (3) is varied, as is represented in figure 8, varying its inclination by 15o as regards the illumination lamp (L), the beam (9) comes out reflected, according to (9"), that is to say, that a notable change is produced in the direction and dimension of the actual reflected luminous beam.
  • Figure 4 represents various rotating devices (2), equipped with the respective wheel (10), in each one of which the element (11) or the attachment support for the corresponding mirror coated reflector (3) shall be placed, said wheels (10) meshing with the helicoidal thread (13) of one same axis or rod (8), as previously indicated.
  • the purpose of the rotating devices represented in figures 3 and 4, which are assembled and are housed in the assembly of the general support or casing (1) of the luminaire, is to conduct the turning of the mirror coated reflectors (3) in order to orientate the same at the users convenience, and to maintain the same, parallel to the corresponding illumination lamp (L).
  • Such rotating devices are of the blocking type, in such a manner that if the luminaire is placed in a cold air current, or in places in which there are strong vibrations, the movable reflectors (3) cannot move, since they remain blocked.
  • said rotating devices (2) may adopt the shape represented in figures 3 and 4, that is to say, that of being formed by a wheel (10) with peripherical teeth (12) to mesh with the helicoidal threads (13) provided in the axis or rod (8) at the end of which, the element (6) is located, parting from which, and by means of the suitable tool, it may be made to turn so as to turn the wheel (10) and consequently vary the position of the mirror coated reflector (3) attached to said wheel (10) through the support or element (11) which reinforces the same.
  • Said system permits the circular turn of the corresponding wheel (10), the axial displacement being prevented as regards the general casing or support (1).
  • the user After turning the axis or rod (8) and the corresponding reflector (3) until the desired illumination criteria are met, the user shall simply stop rotating said axis or rod (8) to end the adjustment and prevent it continuing to move the respective reflector (3).
  • the rotating device (2) may be double, meshing both wheels (10) with the helicoidal thread (13) provided in a common axis or rod (8), also being capable of meshing with more wheels (10).
  • Figure 5 shows another turning mechanism (2), which is provided in order to move the reflectors from outside of the casing, said mechanism comprising a support (2'), to guarantee the circular movement of the corresponding wheel (10'), to which the element or support (11') forms integral part of, for the mirror coated reflector, all this assembled on a casing or support (14), allowing the turning of the reflector around the transversal axis when the lobe (15) pertaining to the actual rotating device turns, said lobe (15) remaining on the outside of the support or frame (2').
  • FIG 6 another activating device may be observed, which may be activated from the inside, comprising two toothed wheels (10"), one with greater diameter than the other, in such a manner that by means of an internal control (15'), the smaller wheel may be made to turn, said smaller wheel moving the greater wheel and the latter moving the reflector (3).
  • the device may have means for simultaneously moving all the reflectors (3), for example, by means of toothed wheels, conveniently meshed, which have not been represented in the drawings.
  • the preferred cross dimension of the mirror coated and rotating reflector surfaces (3) shall be given by the illuminating accuracy required by the final use of the luminaire.
  • the transversal dimension of the reflector (3) oscillates between 0,635 cm and 11,43 (0,25 and 4,5 inches)
  • many installations require reflectors with different transversal dimensions to comply with the desired illumination criteria.
  • Another criteria which governs the dimension of the transversal surface of the reflector refers to the configuration of the reflectant surface. It is well known that flat, concave and convex surfaces have different effects on the luminous beams reflected from their surfaces. Thus, in figure 9, a flat reflectant surface (16), another concave reflectant surface (17) and a convex reflectant surface (18) may be observed, whilst in figure 10 the beams of light emitted by a lamp (L) over said surfaces (16), (17) and (18), are observed, the beams of which are reflected offering different amplitudes.
  • the longitudinal dimensions of its surface could be equal, approximately, to the length of the lamp from which the light shall be reflected.
  • the reflector may be configured or molded by means of techniques already in existance so that it may resist the effects of gravity and the movement which could deform the surface of the reflector.
  • the reflectant element (19) includes a concave surface (20) and another flat surface (21), whilst in figure 12, the reflectant element (22) includes a concave surface (23), another convex surface (24) and a flat surface (25).
  • the user may choose to turn the reflector from one surface to another, depending on the illumination criteria to be followed, so that the versatility of this type of configuration of the reflector is increased to the maximum when both surfaces of the reflector are manufactured with identical general concave or convex shape with different angles, whilst with the configuration of the reflector with triple surface, as is represented in figure 12, the operational principle is the same, only varying the surfaces of the reflector as regards the amount.
  • mirror coated materials used for the reflector (aluminium, silver, gold, etc.), offer different mirror coated reflection characteristics, as well as performances in different colours.
  • reflectors in a luminaire manufactured based on mirror coated materials of different reflectors may be provided.
  • reflectors may be located in stationary positions (5) and (5') as has been indicated previously, the shapes of which may be flat, angular, convex, concave, etc., always placed parallel to the lamp in order to direct, adjust and concentrate the light available on other reflectors, or outside the body of the luminaire.
  • Another useful characteristics of the reflector of fixed position lies on their use as support for luminaires which cover the width of the general support assembly (1).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)

Claims (7)

  1. Fluoreszenzleuchte mit Reflektoren mit einstellbarem Drehpunkt, die einen gemeinsamen Tragkörper (1) aufweisen, in dem ein Beleuchtungskörper, ein ortsfester Reflektor(5) mit kreisförmigen Profil und zumindest zwei Reflektoren mit einstellbarem Drehpunkt (3) angeordnet sind, wobei der ortsfeste Reflektor (5) und die einstellbaren Reflektoren (3) ihre Längsfläche parallel zum Beleuchtungskörper verlaufend haben und die beiden genannten Reflektoren (3) mit einer Drehvorrichtung (2) verbunden sind, dadurch gekennzeichnet, dass sie ein prismenförmiges, rechteckiges Gehäuse umfasst in dem der gemeinsame Tragkörper (1) auf einer unteren Basis (1') des erwähnten Gehäuses angeordnet ist, wobei der gemeinsame Tragkörper (1) in der Lage ist, in Längsrichtung oder unter Bildung eines Winkels, auf der erwähnten unteren Basis (1'), zu gleiten, um eine Änderung der Leuchtstrahlen zu bewirken und dafür mit Gewindebolzen oder -schrauben (1'') versehen ist, die zu ihrer Befestigung in den Löchern (1'") der unteren Basis (1') durch den gemeinsamen Tragkörper (1) geführt sind.
  2. Fluoreszenzleuchte mit Reflektoren mit einstellbarem Drehpunkt nach Anspruch 1, dadurch gekennzeichnet, dass die Drehvorrichtung (2) ein Rad (10) umfasst, das in seiner Peripherie mit überstehenden Enden in Zahnform (12) versehen ist, die in fortlaufender Form in das schraubenförmige Gewinde (13) einer Stange (8) eingreifen, wobei die erwähnte Stange (8) an einem ihrer Endpunkte ein Aktivierungsteil (6) aufweist und das Rad (10) eines Tragkörpers (11) zur Befestigung des entsprechenden Reflektors (3) vorgesehen ist.
  3. Fluoreszenzleuchte mit Reflektoren mit einstellbarem Drehpunkt nach Anspruch 1, dadurch gekennzeichnet, dass zwei oder mehr Drehvorrichtungen (2) in das schraubenförmige Gewinde (13) einer gemiensamen Stange (8) eingeifen.
  4. Fluoreszenzleuchte mit Reflektoren mit einstellbarem Drehpunkt nach Anspruch 1, dadurch gekennzeichnet, dass die Drehvorrichtung (2) ein ringförmiges Gehäuse (2') umfasst, auf dem das entsprechende Rad (10) angeordnet ist und die Drehvorrichtung (2) auf der Seitenwand eines Gehäuses (14) angebracht ist und sich auf der Drehvorrichtung (2) ein Flügel (15) befindet, der aus dem Gehäuse (14) nach aussen herausragt.
  5. Fluoreszenzleuchte mit Reflektoren mit einstellbarem Drehpunkt nach Anspruch 1, dadurch gekennzeichnet, dass die Reflektoren (3) durch Zahnräder (10) miteinander verbunden sind, um einen Simultanlauf der Reflektoren (3) zu bewirken.
  6. Fluoreszenzleuchte mit Reflektoren mit einstellbarem Drehpunkt nach Anspruch 1, dadurch gekennzeichnet, dass die Reflektoren (3) Elemente (19) von zwei Flächen, einer konkaven (20) und einer anderen flachen (21), umfassen.
  7. Fluoreszenzleuchte mit Reflektoren mit einstellbarem Drehpunkt nach Anspruch 1, dadurch gekennzeichnet, dass die Reflektoren (3) Elemente (22) von drei Flächen, einer konkaven (23), einer anderen konvexen (24) und einer weiteren flachen, (25) umfassen.
EP97500193A 1996-11-13 1997-11-12 Leuchtstofflampen-Beleuchtungseinrichtung mit drehbaren Reflektoren Expired - Lifetime EP0843127B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES009602394A ES2137091B1 (es) 1996-11-13 1996-11-13 Sistema de luminaria con reflectores redireccionables.
ES9602394 1996-11-13

Publications (3)

Publication Number Publication Date
EP0843127A2 EP0843127A2 (de) 1998-05-20
EP0843127A3 EP0843127A3 (de) 1999-06-30
EP0843127B1 true EP0843127B1 (de) 2003-03-19

Family

ID=8296665

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97500193A Expired - Lifetime EP0843127B1 (de) 1996-11-13 1997-11-12 Leuchtstofflampen-Beleuchtungseinrichtung mit drehbaren Reflektoren

Country Status (4)

Country Link
EP (1) EP0843127B1 (de)
AT (1) ATE235022T1 (de)
DE (1) DE69719916T2 (de)
ES (1) ES2137091B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6206548B1 (en) * 1996-08-27 2001-03-27 Leon A. Lassovsky Luminaire module having multiple rotatably adjustable reflectors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1597930C3 (de) 1967-11-28 1984-01-19 Bernhard Deltschaft Zweigniederlassung der H.M. Wörwag GmbH, 1000 Berlin Verstellbare Jalousieblende für Beleuchtungsgeräte, insbesondere für Studioscheinwerfer
CH556514A (de) * 1972-09-19 1974-11-29 Sulzer Ag Klimaleuchte.
US4499529A (en) * 1981-05-21 1985-02-12 Figueroa Luisito A Light reflector
EP0206702A3 (de) * 1985-06-21 1988-09-07 RAYOVAC Corporation Tragbare Lampe mit einstellbarer Reflektorvorrichtung
US4800473A (en) * 1987-07-06 1989-01-24 Denis Tremblay Venitian blind lamp
US4872098A (en) * 1989-03-20 1989-10-03 Lpi Limited Partnership Variable beam floodlight

Also Published As

Publication number Publication date
DE69719916D1 (de) 2003-04-24
ES2137091B1 (es) 2000-08-01
EP0843127A3 (de) 1999-06-30
ES2137091A1 (es) 1999-12-01
ATE235022T1 (de) 2003-04-15
EP0843127A2 (de) 1998-05-20
DE69719916T2 (de) 2004-02-05

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