EP2112431B1 - Lampeneinstellung bei einem Beleuchtungskörper - Google Patents

Lampeneinstellung bei einem Beleuchtungskörper Download PDF

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Publication number
EP2112431B1
EP2112431B1 EP20080103674 EP08103674A EP2112431B1 EP 2112431 B1 EP2112431 B1 EP 2112431B1 EP 20080103674 EP20080103674 EP 20080103674 EP 08103674 A EP08103674 A EP 08103674A EP 2112431 B1 EP2112431 B1 EP 2112431B1
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EP
European Patent Office
Prior art keywords
ring
socket
light
outer ring
frame
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Application number
EP20080103674
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English (en)
French (fr)
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EP2112431A1 (de
Inventor
Thomas Aleksander Henrik Von Preyss
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.)
Harman Professional Denmark ApS
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Martin Professional ApS
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Publication date
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Priority to EP20080103674 priority Critical patent/EP2112431B1/de
Publication of EP2112431A1 publication Critical patent/EP2112431A1/de
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Publication of EP2112431B1 publication Critical patent/EP2112431B1/de
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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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing

Definitions

  • the present invention relates to a light fixture comprising a housing, which housing comprise a lamp assembly, which lamp assembly comprises a socket, from which socket a light source extending axially from one side of the socket, which light source is placed in a reflector, from which reflector generated light is reflected to light forming means, which socket is connected to adjusting means for changing the placement of the light source in relation to the reflector.
  • the present invention further relates to a method for lamp adjustment in a light fixture, where a lamp socket from the backside of a reflector is adjustable by screwing means in one or more directions.
  • WO 2007/006578 discloses projector housing for a burner or a lamp comprising a glass receptacle, a lamp base, contact pins for supplying power, and a lamp holder with socket contacts.
  • the projector housing encompasses a receiving device with clamping jaws which can be non-positively and/or positively connected to the lamp base, embrace the lamp base, and are hinged to the lamp housing via lever arms.
  • the clamping jaws are adjustable with the aid of an adjusting mechanism.
  • the adjusting mechanism is provided with an adjusting member (5) that is disposed between the lever arms, presses the lever arms apart in order to open the clamping jaws into an open position in which the lamp base is released, and unites the lever arms so as to close the clamping jaws in a locked position in which the lamp base is fixed.
  • the adjusting member can be rotated about an adjusting shaft while resting against the lever arms by means of parts that are placed at a different distance from the adjusting shaft and are diametrically opposed in relation to the adjusting shaft.
  • WO 2007/012173 discloses a mounting assembly for a lamp socket that is adjustable, comprises a bracket configured to be mechanically coupled to a luminaire assembly and a mounting plate configured to attach to the lamp socket and be mechanically coupled to the bracket and selectively engages the bracket at one of a multiplicity of angular rotations.
  • a corresponding method of aligning a lamp to a desired rotational position with respect to a luminaire includes disengaging a mounting plate from a bracket, where the mounting plate and the bracket are coupled about a common axis of rotation, rotating the mounting plate about the axis to a rotational position corresponding to the desired rotational position of the lamp and re-engaging the mounting plate and the bracket.
  • US 6932491 concerns a theatrical luminaire for entertainment and architectural applications includes a lamp socket accessible from the exterior of the luminaire housing.
  • a lamp includes a base, a bulb on one side of the base and a handle on the other side. The handle is grasped to insert the lamp into the socket.
  • the bulb extends through the socket into the luminaire and the handle remains accessible at the exterior of the luminaire.
  • the lamp is mounted with a one-handed push and turn motion, and contacts on wings of the base engage socket contacts as the lamp is turned to its final position.
  • the socket is mounted on a support that is adjustable relative to the luminaire housing to preserve the correct lamp positioning when the lamp is replaced.
  • WO 97/12176 discloses a fitting for a lamp and a reflector.
  • the fitting comprises
  • the position of the support member and hence the lamp in the lamp reflector 5 can be moved axially by rotation of the adjustment knob.
  • the support member is fixed to theadjustment knob through a connecting spacer and moves together with the adjustment knob.
  • a light source can be adjusted as described in the preamble to claim 1 an further modified so that the adjustment mean are formed as a first inner ring, to which inner ring the socket is fastened, which inner ring is moveable in a first X direction for tilting the light source, which first inner ring is movable in relation to a second middle ring, which middle ring is moveable in a second Y direction for tilting the first inner ring, which second ring is movable in relation to a third outer ring in a third longitudinal Z direction along the axis of the light.
  • adjustment one adjustment screw has only influence on the light source in one direction, and there are no influence in any of the other directions. In this way, a much more precise and highly efficient adjustment of a light source can be achieved.
  • the second middle ring can comprise at least one protrusion, which protrusion is placed in a slant track in the third outer ring, where rotation of the third outer ring in relation to the protrusion result in movement in the Z direction of the second middle ring.
  • a highly efficient linear translation in the Z direction can be achieved. In practice, this will mean in and out of a reflector. The translation is performed just by rotating that outer ring, which comprises the middle ring and the inner ring connected to the lamp socket will be moved in the Z direction by rotating the ring.
  • the third outer ring can be rotated in relation to at least one frame, which frame can be fixed to the light fixture.
  • the outer ring is rotatably fastened to the frame so that the inner ring, as the two further rings inside that ring, has freedom to be moved in three different directions.
  • the frame might comprises a first and a second plate, between these plates the third ring can be rotating, which fist and second plate of the frame is interconnected by spacers for holding the third rotating ring in place.
  • One possible way of achieving a rotation of the third outer ring is of course to place this rotating ring between an upper and a lower plate which plates form housing for the rotating ring.
  • One way of forming such housing is of course using an upper and a lower plate and interconnecting these plates by spacers.
  • the frame comprising an upper plate and a lower plate, could be formed as a moulded component where part of the moulding is forming the spacing elements.
  • a first number of spacers can be interconnecting the first and the second plates of the frame, which first number of spacers can comprise rollers, which rollers are in rotating contact with the third outer ring.
  • the spacers By double using the spacers using them for axles for rollers, the spacers have a double function. If at least three rollers are placed around the rotating outer ring, they can rotate and press the ring into correct position from at least three different directions. Hereby, the rotating outer ring automatically been kept in correct place.
  • a second number of spacers can be interconnecting the first and the second plates of the frame, which second number of spacers, can comprise protrusion members, which protrusion members are interfering with slant track in the third outer ring, which second number of spacers comprises springs, which springs presses the protrusion members into contact with the slant track in the third ring.
  • the third outer ring comprises at least at toothed section, which toothed section is cooperating with a tooted wheel, which toothed wheel is rotatable fastened to the frame, which toothed wheel is connected to a screw.
  • One way of rotating the outer ring is to let the outer ring at some of the circumference inside or outside comprise tooths that can cooperate with a toothed wheel.
  • the object can also be achieved by a method as descried in the preamble to claim 8 which comprises the step of independently adjusting said lamp socket in three directions by:
  • a light source can be adjusted independently in the three different directions with three different adjustment means. These will lead to a highly efficient adjustment of a light fixture each time a light source has been changed or if the light fixture has been handled roughly during transportation so that new adjustment is necessary.
  • the translation of the third outer ring can be performed by rotation of the third outer ring in relation to the frame.
  • One way of performing the linear translation will be rotating the third outer ring maybe by means of tools from the outside.
  • the translation is performed in or out of a reflector.
  • Fig. 1 shows different components in relation to a light fixture 2 where 4 indicates a light source fixture according to this invention, where a light source not shown is placed inside a reflector 6. This reflector generates light which in light forming means 8, 10 and 12 are modified. A first lens group 16 is held in a fixture 14, and a further lens group 18 is indicated.
  • Fig. 2 shows a lamp assembly 102 which comprises a lamp socket 104 which is holding a light source 106.
  • the lamps socket 104 is placed in a inner ring 108.
  • the inner ring 108 is further placed inside a middle ring I 10.
  • This middle ring 1 0 is placed inside an outer ring 112.
  • This outer ring 112 is placed between a first plate 114 and a second plate 116.
  • the outer ring 112 comprises a slant track 118.
  • a first number of spacers 120 are connecting the upper plate 114 and the lower plate 116.
  • the spacer 120 comprises a roller 122 which roller is under pressure of a spring 124. Further spacers 126 are also interconnecting the plate 114 and the plate 116.
  • the spacer 126 comprises a slideable protrusion device 128 and a spring 130.
  • a first adjustment screw 132 is rotating in a fixture 134 where rotation can be performed by a hand tool 136. Adjustment of the inner ring 108 is performed by screwing means 138 and adjustment of the middle ring in a perpendicular direction is performed by the screw 140.
  • a toothed wheel 142 is directly connected to the screw 132. This toothed wheel 142 is cooperating with the toothed inner part 144 of the third outer rotating ring 112.
  • the adjustment in the directions upwards or downwards according to this fig. 2 is performed by rotating the toothed wheel 142 by the hand tool 136. This will lead to movement of the lamp socket 104, the inner ring 108, the middle ring 138 in relation to the outer plates 114 and 116 which will be fastened to the light fixture housing. Therefore, the light source 106 will be moved in relation to a reflector.
  • the point where light is generated will be adjustable in the longitudinal direction along the axis of the light. By adjusting the placement of the light source, the focal point can be more precisely defined.
  • Fig. 3 shows the same embodiment as fig. 2 , and the single components are not further mentioned.
  • the figure has been turned so that the hand tool 136 is now at the viewing side of the picture, and the light source 106 is now moved into an upper position in relation to the axis of the figure. It is seen here that the lamp socket 104 is placed somewhat higher as shown in fig. 2 . It is also indicated that the light source 106 is now placed relatively higher that in fig. 2 .
  • Fig. 4 shows the same embodiment 102 of the invention, but in this figure the hand tool 136 is moved into one of the two tilting positions where in this fig. 4 , the middle ring 110 is being tilted which has moved the light source 106 slightly in the direction of the arrow shown in the figure.
  • Fig. 5 shows the same embodiment 102 but seen from another direction where the adjustment screw 138 is seen which is now connected to the hand tool 136.
  • the light source 106 is tilted again but this time in a perpendicular direction as seen in fig. 4 .
  • the inner ring 108 is being tilted and hereby the lamp socket 104 is also tilted. This tilting will result in a sideways movement of the light source 106.
  • Fig. 6 shows the lamp assembly 102 seen from the back.
  • the lamp socket 104, the inner ring 106, the middle ring 110 and the outer ring hidden below the plate 114 are indicated.
  • the adjustment screws 132 for the longitudinal direction, the adjustment screw 138 for tilting around the first axis and adjustment screw 140 for tilting around the second axis are indicated.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (9)

  1. Beleuchtungskörper (2), der ein Gehäuse umfasst, wobei das Gehäuse eine Lampenbaueinheit (4, 102) umfasst, wobei die Lampenbaueinheit (4, 102) eine Fassung (104) umfasst, wobei sich von der Fassung (104) eine Lichtquelle (106) axial von einer Seite der Fassung (104) erstreckt, wobei die Lichtquelle (106) in einem Reflektor (6) angeordnet ist, wobei das vom Reflektor (6) erzeugte Licht zu Lichtgestaltungsmitteln (8, 10, 12) reflektiert wird, wobei die Fassung (104) mit Einstellungsmitteln zum Ändern der Positionierung der Lichtquelle (106) in Bezug auf den Reflektor (6) verbunden ist, dadurch gekennzeichnet, dass die Einstellungsmittel als ein erster innerer Ring (108) gebildet sind, wobei die Fassung (104) an dem inneren Ring (108) befestigt ist, wobei der innere Ring (108) in eine erste X-Richtung zum Kippen der Lichtquelle (106) beweglich ist, wobei der erste Ring (108) in Bezug auf einen zweiten mittleren Ring (110) beweglich ist, wobei der mittlere Ring (110) in eine zweite Y-Richtung zum Kippen des ersten inneren Rings (108) beweglich ist, wobei der zweite Ring (110) in Bezug auf einen dritten äußeren Ring (112) in eine dritte longitudinale Z-Richtung entlang der Achse des Lichts beweglich ist.
  2. Beleuchtungskörper nach Anspruch 1, dadurch gekennzeichnet, dass der zweite mittlere Ring (110) mindestens einen Vorsprung umfasst, wobei der Vorsprung in einer geneigten Spur (118) in dem dritten äußeren Ring (112) positioniert ist, wobei die Drehung des dritten äußeren Rings (112) in Bezug auf den Vorsprung eine Bewegung in der Z-Richtung des zweiten mittleren Rings (110) ergibt.
  3. Beleuchtungskörper nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der dritte äußere Ring (112) in Bezug auf mindestens einen Rahmen gedreht ist, wobei der Rahmen an dem Beleuchtungskörper befestigt ist.
  4. Beleuchtungskörper nach Anspruch 3, dadurch gekennzeichnet, dass der Rahmen eine erste (114) und eine zweite (116) Platte umfasst, wobei sich der dritte Ring (112) zwischen diesen Platten drehen kann, wobei die erste (114) und die zweiten (116) Platte des Rahmens durch Abstandshalter (120, 126) miteinander verbunden sind, um den dritten drehenden Ring (112) in Position zu halten.
  5. Beleuchtungskörper nach Anspruch 4, dadurch gekenntzeichnet, dass eine erste Anzahl von Abstandshaltern (120) die erste (114) und die zweite (116) Platte des Rahmens miteinander verbinden, wobei die erste Anzahl von Abstandshaltern (120) Abstandsrollen (122) umfasst, wobei sich die Abstandsrollen (122) in Drehkontakt mit dem dritten äußeren Ring (112) befinden.
  6. Beleuchtungskörper nach Anspruch 4, dadurch gekennzeichnet, dass eine zweite Anzahl von Abstandshaltern (126) die erste (114) und die zweite (116) Platte des Rahmens miteinander verbinden, wobei die zweite Anzahl von Abstandshaltern (126) vorstehende Elemente (128) umfasst, wobei die vorstehenden Elemente (128) mit der geneigten Spur (118) mit dem dritten äußeren Ring (112) in Eingriff sind, wobei die zweite Anzahl von Abstandshaltern (126) Federn (130) umfasst, wobei die Federn (130) die vorstehenden Elemente (128) in Kontakt mit der geneigten Spur (118) in dem dritten Ring drängen.
  7. Beleuchtungskörper nach Anspruch 4, dadurch gekennzeichnet, dass der dritte äußere Ring (112) mindestens einen gezahnten Abschnitt (144) umfasst, wobei der gezahnte Abschnitt (144) mit einem Zahnrad (142) zusammenarbeitet, wobei das Zahnrad (142) drehbar an dem Rahmen befestigt ist, wobei das Zahnrad (142) mit einer Schraube (132) verbunden ist.
  8. Verfahren zum Einstellen einer Lampe in einem Beleuchtungskörper, wobei eine Lampenfassung (104) von der Rückseite eines Reflektors (6) durch Schraubmittel (132, 128, 140) in einer oder mehrerer Richtungen einstellbar ist, dadurch gekennzeichnet, dass das Verfahren den Schritt umfasst, die Lampenfassung in drei Richtung unabhängig voneinander einzustellen durch:
    • Einstellen der Lichtfassung in einer ersten X-Richtung durch Kippen eines inneren Rings unter Verwendung von ersten Schraubmitteln;
    • Einstellen der Lichtfassung in einer zweiten Y-Richtung durch Kippen eines zweiten mittleren Rings unter Verwendung von zweiten Schraubmitteln;
    • Bewegen der Lichtfassung in einer dritten longitudinalen Z-Richtung entlang der Achse des Lichts durch Bewegen des zweiten mittleren Rings in Bezug auf einen dritten äußeren Ring.
  9. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass der Schritt des Bewegens der Lichtfassung in die dritte longitudinale Z-Richtung einen Schritt des Drehens des dritten äußeren Rings in Bezug auf einen umgebenden Rahmen umfasst.
EP20080103674 2008-04-23 2008-04-23 Lampeneinstellung bei einem Beleuchtungskörper Active EP2112431B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20080103674 EP2112431B1 (de) 2008-04-23 2008-04-23 Lampeneinstellung bei einem Beleuchtungskörper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080103674 EP2112431B1 (de) 2008-04-23 2008-04-23 Lampeneinstellung bei einem Beleuchtungskörper

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EP2112431A1 EP2112431A1 (de) 2009-10-28
EP2112431B1 true EP2112431B1 (de) 2012-07-18

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2958351A1 (en) 2016-02-16 2017-08-16 RAB Lighting Inc. Recessed lighting fixture with orientation adjusting apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061912A (en) * 1976-10-26 1977-12-06 Berkey-Colortran, Inc. Filament alignment mechanism for follow spot or the like
DE3807504A1 (de) * 1988-03-08 1989-09-28 Goller Hilmar Dipl Ing Fh Beleuchtungseinrichtung
WO1997012176A1 (en) 1995-09-28 1997-04-03 Andrew Terry Neal Lamp fitting
US6170965B1 (en) * 1998-09-26 2001-01-09 Irwin Kotovsky Method and apparatus for locking a yoke or gimbal ring assembly
US6932491B2 (en) 2002-11-14 2005-08-23 Electronic Theatre Controls, Inc. Lamp assembly and lamp for a luminare
US7264372B2 (en) * 2004-03-16 2007-09-04 Mag Instrument, Inc. Apparatus and method for aligning a substantial point source of light with a reflector feature
DE202005011416U1 (de) 2005-07-13 2005-10-06 Arnold & Richter Cine Technik Gmbh & Co Betriebs Kg Lampengehäuse, insbesondere Scheinwerfergehäuse
US20070025110A1 (en) 2005-07-29 2007-02-01 Streetlight Intelligence, Inc. Adjustable lamp socket and mounting assembly

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