EP0870979B1 - Leuchte mit einem verstellbaren Reflektor - Google Patents
Leuchte mit einem verstellbaren Reflektor Download PDFInfo
- Publication number
- EP0870979B1 EP0870979B1 EP98106625A EP98106625A EP0870979B1 EP 0870979 B1 EP0870979 B1 EP 0870979B1 EP 98106625 A EP98106625 A EP 98106625A EP 98106625 A EP98106625 A EP 98106625A EP 0870979 B1 EP0870979 B1 EP 0870979B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- lamp
- luminaire according
- segments
- head region
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- 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
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
-
- 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
- F21V7/10—Construction
- F21V7/16—Construction with provision for adjusting the curvature
-
- 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
- F21V7/10—Construction
- F21V7/18—Construction with provision for folding or collapsing
Definitions
- the invention relates to a lamp, the reflector by a Adjustment device adjustable with respect to the lamp and in the respective Adjustment position can be determined.
- a lamp of this type is described in DE 43 04 587 A1. This is what it is about is a luminaire in which the light distribution curve (LVK) by the user can be changed. For this purpose, the reflector and the lamp are relative adjusted to each other. This makes the light distribution curve between narrow beam or adjusted point and wide beam.
- LLK light distribution curve
- the aim is to have the light spot on the directly illuminated one To make the area equally bright.
- this is only possible to a very limited extent, because if the adjustment distance between lamp and reflector becomes too large, in In the middle of the light distribution curve, a light dip, that is, it is formed dark spot.
- Figures 1 to 3 show light distribution curves of known Luminaires looking in the direction perpendicular to the direction of light propagation.
- Fig. 1 shows a narrow beam setting
- Fig.2 shows a slightly wide beam Setting
- Fig. 3 is a wide beam setting. 3 shows in particular clearly that the light distribution is insufficient.
- a lamp is also known, the reflector with respect the lamp is adjustable.
- the round reflector consists of one Head area and opposite side areas, which by Segments are formed.
- the side areas are marked by a Spring force biased against side stops, so that they are at a Relative movement between the side areas and the stops pivoted become.
- the between the reflection surface and the central axis Luminaire included angles changed.
- a relative movement between the side areas and the stops is at the lamp known from US 4,855,884 obtained in that the one Spindle held reflector with the help of a motor opposite the fixed one Stops is moved axially.
- Such a construction is, however relatively expensive.
- the invention is accordingly based on the object in a lamp above described a simple manual adjustment of the Enable reflector.
- That of the central axis of the lamp and the angle included in the reflecting surface is variable and adjustable.
- the Adjustment movement can be a lateral swivel or tilt movement or also at the same time include an axial movement. This allows a uniform Achieve light distribution in the area of the light distribution zone. This is on it attributed to that due to the usual distances and with a reflector Positions of the corresponding surface areas of the reflection surface and the Lamp a favorable distribution in a tilt adjustment according to the invention of light. This enables a particularly favorable light distribution reach if the head area of the reflector with respect to the lateral area at the adjustment a little or no tilting movement and / or only an axial Movement.
- a simple adjustment of the reflector is made possible by the fact that the reflector seen along the central axis of the lamp - has a round shape and the Circumferential wall of the reflector at least in the side area from itself in the direction of light propagation extending segments that are in each other Overlap circumferential direction.
- the side areas are each marked with a Spring force biased against side stops, the stops by a Ring are formed, on the inner circumferential surface of which the segments rest, and wherein the ring is rotatably mounted on the base part about the central axis of the lamp and a Actuator for the adjusting device forms.
- the subclaims contain features that are too simple, small and inexpensive construction methods and a handling-friendly and fast Allow adjustment.
- the lamp generally designated 1 comprises a base part 2, with which it on or in a holding system 3 is held, and the one by means of an adjusting device 4 Reflector 5, which is adjustable by the adjusting device 4 and in each set position can be determined.
- Reflector 5 which is adjustable by the adjusting device 4 and in each set position can be determined.
- a lamp 6, here a halogen lamp held releasably by means of a socket 7, which is parallel to Central axis 8 of the symmetrical reflector 5 and the lamp 6 immovably on one Cross member 9 is held, on the base part 2 or here on the adjusting device 4th is attached.
- the lamp 1 is used in the present embodiment for lighting relatively small areas or spaces, e.g. for lighting of Exhibition objects in exhibition rooms or museums.
- the lamp 1 by another Adjustment device 11 can be adjusted transversely to the central axis 8, in particular by pivoting and held lockable in the respective adjustment position.
- the adjustment movement can only in one direction, in two directions perpendicular to each other or in all Directions of the existing, here horizontal transverse plane E1. It can the suspension may be swinging or gimbal.
- the lamp 1 is on Spotlights e.g.
- a support 15 which is the present Design around a built-in housing 15a or e.g. formed by a profile Built-in housing channel can act, which is kept free in the room or in one Installation opening of a wall or ceiling can be used and fastened in the usual way.
- the joint part 14b fastened to the holder is shown with respect to the first joint 12 in the longitudinal direction of the installation housing duct 15a preferably offset off-center, is attached here to the top of the holding plate 13a.
- the second joint part, not shown, can be directly or indirectly on the carrier 15 be attached.
- the lamp 1 is in a round hole 16 the holding plate 13a is pivotally mounted, the holding plate 13a being approximately in half Height of the lamp 1 is.
- the base part 2 is formed by a base ring 2a, which is located approximately at the level of the holding plate 13a with play in the hole 16.
- the first Joint 12 is formed by two pivot pins 12b projecting diametrically from base part 2 formed, each encompassing a bearing eye 12c formed on the holder 13, which by a trough and a plate 12d overlapping the pivot pin 12b, optionally with an upper trough can be formed.
- the plate 12d can with such great tension against the Press pivot pin 12b, e.g. be screwed that the lamp 1 by manual Overpressing is pivotable, however, it is determined against an unwanted adjustment is.
- the light source 6a of the lamp 6 is located at the level of the hinge axis 12a.
- the reflector 5 can be one with opposite ones Walls in the form of profiles which are mirror images of the central plane E2, act in particular for elongated lights, such as is common with fluorescent tubes. In principle, such a reflector 5 can also be seen in FIG. 4.
- the lamp 1 and the reflector 5 in horizontal cross-section shaped round, the radiator preferably being is a cross reflector, in which a substantial part of each other opposite reflection surfaces or here from the round reflection surface 5a reflected rays S intersect the central axis 8.
- Adjustment device 4 designed so that the between the reflection surface 5a and Center axis 8 included angle W is variable.
- This will cause the Reflector wall 5b around a tilt axis 17, which is in the form of a profile with reflection surfaces extends in a transverse plane and lies approximately in the reflection surface 5a.
- this tilt axis 17 is essentially a tangent.
- the tilt axis 17 does not have to be stationary. You can too sideways or following the shape of the reflector wall 5b during the tilting process adjust.
- when tilting there is a vertical movement of the reflector 5 takes place, in particular in its upper end region.
- the adjusting device 4 has an effective one parallel to the central axis 8 Movement drive 18 for the reflector 5 with an actuator 21, which of the Beam side 19 light 1 is accessible here.
- the actuator 21 acts through Movement change gear 22 on a slide 23 which is in a parallel to the Center axis 8 extending guide 24 slidably and with the upper region of the Reflector 5 is connected.
- the actuator 21 is a rotating ring 21a, which is free on the inner circumference of the base ring 2a is rotatably supported, engaging under the base ring 2a with a flange 21b and with engages a spring or snap ring 25 seated in an annular groove, whereby a Pivot bearing is formed.
- the rotating ring 21a points from the flange 21b projecting engagement pins 21c.
- the inner circumference of the rotating ring 21a is rounded or shaped roof-shaped and dimensioned so large that the reflector 5 with its outside abuts a line of contact forming the tilt axis 17.
- a sleeve section 21d is formed, which forms the hollow cylindrical guide 24 inside, in the slider 23 is displaceable in the form of a disk 23a and a guide sleeve 23b is stored.
- the sleeve portion 21d and the cross member 9, here in the form of a Plate extend several arranged evenly distributed on the circumference Spacers 26, the by fastening screws 26a and surrounding sleeves 26b for the cross member 9 can be formed.
- this consists of overlapping scales Segments 5c, which are connected to a support part 32 only at their ends facing the lamp 6 attached, e.g. are riveted, s. Rivet 33 in Fig. 6.
- the support member 32 spans the segments 5c with its free ends radially outwards against the tilt axis 17 and it is preferably formed by a spring washer 32a to which the segments 5c are attached, and prestresses the segments 5c in the sense described above.
- the spring washer 32a can be concave or dome-shaped and form the reflector in the head area or from a concave or dome-shaped head reflector 5d.
- the support part 32 and the head reflector 5d are attached to the edge of a hole 34, e.g. transhipped, through which the lamp 6 extends into the upper region of the reflector 5.
- the reflector 5 can be moved by a manual movement of the Adjust actuator 21 axially and overall (straight profiled reflector for elongated lights) or in its lateral outer, formed by the segments 5c Tilt area. Positions can be selected in the existing adjustment range set in the two positions shown in FIG. 4 Adjustment. In the position shown on the left in FIG. 4, the head area is located of the reflector 5 in a rear, here upper with respect to the spreading device A. Position and the free edge of the reflector 5 in a laterally offset inwards Position. In the position shown on the right in FIG. 4, the head area of the Reflector 5 in a front, in this case lower position with respect to the direction of propagation A.
- the reflector 5 forms on both sides of the central plane E2 consequently the head area, which is movable or adjustable parallel to the central axis 8 and the side area around its attachment point in the head area in one at right angles to the center plane E2 swivel plane with the Head area is connected and at the same time around this attachment point and around the associated tilt axis 17 pivots.
- the spreading of the side areas of the reflector 5 the dimension x takes place automatically due to the tension of the spring washer 32a, which Side areas biased outwards. This tension also ensures that the slide 23 is biased with the pins 28 against the curve sections 31 and thus by the Curve sections 31 does not stand out during an adjustment in the direction of propagation A.
- the adjustment movements of the head area described above apply and the side areas of the reflector 5 both when the reflector is a 4 is also a profile-like body extending at right angles to the plane of the drawing when the reflector 5 has a round shape with respect to the plane E1.
- the first there is no need to divide the side areas of the reflector 5 into slats, since the Side areas can be adjusted as uniform wall parts.
- the reflector 5 With a round shape the reflector 5, on the other hand, requires the division of the side areas into one another overlapping segments 5c, so that when the reflector 5 expansion and contraction of the round reflector peripheral wall no gaps arise. Due to the spread caused by the spring washer 32a Segments ensure their tight contact with each other, so that there are no gaps here either arise.
- Reflector systems head reflector 5d and side areas or round peripheral wall with Segments 5c
- the light distribution curve of FIG. 7 a narrow beam setting and the corresponds to large cross-sectional dimension y
- the light distribution curve according to FIG. 8 corresponds to a wide beam setting and the smaller cross-sectional dimension x.
- Those shown in Figures 7 and 8 with solid lines Light distribution areas clarify the respective one caused by the head reflector 5d Light distribution.
- the light distribution partial areas shown in dashed lines illustrate the caused by the peripheral wall with the slats 5c of the reflector Light distribution areas.
- the dash-dotted light distribution areas clarify each a combined, through the head reflector 5d and the peripheral wall with the Segments 5c caused light distribution area.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
- Aerials With Secondary Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Description
- Fig. 4
- eine erfindungsgemäße Leuchte im vertikalen Querschnitt;
- Fig. 5
- eine erfindungsgemäße Leuchte im vertikalen Querschnitt in perspektivischer Darstellung;
- Fig. 6
- die Leuchte nach Fig. 4 oder Fig. 5 in einer perspektivischen Unteransicht
- Fig. 7
- eine Lichtverteilungskurve einer erfindungsgemäßen Leuchte bei engstrahlender Einstellung;
- Fig. 8
- eine Lichtverteilungskurve der erfindungsgemäßen Leuchte bei weitstrahlender Einstellung.
Claims (11)
- Leuchte (1) mit einem Basisteil (2), das eine Lampe (6) und einen Reflektor (5) trägt, wobeia) der Reflektor (5) durch eine Verstellvorrichtung (4) in unterschiedliche Stellungen bezüglich des zwischen seiner Reflexionsfläche (5a) und der Mittelachse (8) der Lampe (6) eingeschlossenen Winkels (W) verstellbar und in der jeweiligen Verstellpositon feststellbar ist,b) der Reflektor (5) einen Kopfbereich (5d) und einander gegenüberliegende Seitenbereiche aufweist, wobei der Kopfbereich (5d) und die Seitenbereiche in einer die Mittelachse (8) enthaltenden Ebene relativ verstellbar miteinander verbunden sind,c) der Kopfbereich (5d) längs der Mittelachse (8) der Lampe (6) verschiebbar gehalten ist und die Seitenbereiche seitlich schwenkbar gehalten sind,d) die Seitenbereiche jeweils durch eine Federkraft gegen seitliche Anschläge (21c) vorgespannt sind unde) der Reflektor (5) - längs der Mittelachse (8) der Lampe (6) gesehen - eine runde Form aufweist und die Umfangswand des Reflektors (5) wenigstens im Seitenbereich aus sich in der Licht-Ausbreitungsrichtung (A) erstreckenden Segmenten (5c) besteht,
daß der Ring (21a) um die Mittelachse (8) der Lampe (6) drehbar am Basisteil (2) gelagert ist und ein Betätungsglied (21) für die Verstellvorrichtung (4) bildet. - Leuchte nach Anspruch 1,
dadurch gekennzeichnet, daß der Reflektor (5) stufenlos verstellbar ist. - Leuchte nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß während der Bewegung des Kopfbereichs (5d) des Reflektors (5) in die axiale Ausbreitungsrichtung (A) seine Seitenbereiche seitlich nach außen geschwenkt werden. - Leuchte nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, daß das Betätigungsglied (21) für die Verstellvorrichtung (4) von der Abstrahlseite (19) der Leuchte (1) her zugänglich ist. - Leuchte nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, daß die Seitenbereiche durch wenigstens ein Federelement, insbesondere eine Federscheibe (32a) mit den Kopfbereichen (5d) oder einem Anbauteil desselben verbunden sind. - Leuchte nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, daß die Segmente (5c) sich in Umfangsrichtung fischschuppenartig überlappen. - Leuchte nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, daß die Segmente (5c) sich bis in den Kopfbereich des Reflektors (5) erstrecken. - Leuchte nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, daß der Kopfbereich durch einen kuppelförmigen Kopfreflektor (5d) gebildet ist. - Leuchte nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, daß die Segmente (5c) separate Teile sind, die mit dem Kopfbereich oder dem Kopfreflektor (5d) verbunden sind, z.B. durch Nieten. - Leuchte nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, daß der Ring (21a) eine längs der Mittelachse (8) der Lampe (6) gerichtete Führung (24) für einen den Kopfbereich (5d) des Reflektors (5) tragenden Führungsschieber (23) bildet. - Leuchte nach Anspruch 10,
dadurch gekennzeichnet, daß zwischen dem Ring (21a) und dem Schieber(23) eine Kurvenantriebsverbindung und/oder eine Drehmitnahmeverbindung besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19714662A DE19714662A1 (de) | 1997-04-09 | 1997-04-09 | Leuchte mit einem verstellbaren Reflektor |
DE19714662 | 1997-04-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0870979A2 EP0870979A2 (de) | 1998-10-14 |
EP0870979A3 EP0870979A3 (de) | 2000-01-05 |
EP0870979B1 true EP0870979B1 (de) | 2004-10-27 |
Family
ID=7825919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98106625A Expired - Lifetime EP0870979B1 (de) | 1997-04-09 | 1998-04-09 | Leuchte mit einem verstellbaren Reflektor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0870979B1 (de) |
AT (1) | ATE280925T1 (de) |
DE (2) | DE19714662A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7771086B2 (en) | 2004-07-27 | 2010-08-10 | Koninklijke Philips Electronics N.V. | Lighting device comprising a lamp unit a reflector |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10103781A1 (de) * | 2001-01-29 | 2002-08-22 | Zimmermann Gmbh Co Kg Rudolf | Einrichtung zur Beleuchtung von Rettungswegen |
ITMI20030974A1 (it) | 2003-05-16 | 2004-11-17 | Reggiani Illuminazione | Apparecchio di illuminazione orientabile da incasso. |
DE202004011140U1 (de) * | 2004-07-15 | 2004-09-16 | Ansorg-Belux Gmbh | Leuchte mit rotationssymmetrischem Reflektor |
DE202009016032U1 (de) * | 2009-11-24 | 2010-04-22 | Alux-Luxar Gmbh & Co. Kg | Rundreflektor für elektromagnetische Strahlung |
DE102014205663B4 (de) * | 2014-03-26 | 2016-03-17 | H4X E.U. | Halteanordnung für ein Funktionsbauteil einer Beleuchtungsvorrichtung, sowie Beleuchtungsvorrichtung |
DE202016104062U1 (de) * | 2016-07-26 | 2017-10-27 | Zumtobel Lighting Gmbh | Anordnung zur Lichtabgabe |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE30108C (de) * | A. BARA und E. DESJARDINS-LlEUX in Paris | Aufhängevorrichtung für Lampenschirme | ||
GB600442A (en) * | 1945-12-21 | 1948-04-08 | Norman Ebenezer Hewitt | Projection lamps |
FR757938A (fr) * | 1932-10-05 | 1934-01-08 | Réflecteur de lumière principalement pour l'éclairage de vitrines | |
GB517777A (en) * | 1938-08-02 | 1940-02-08 | Alexander Twigg Patterson | Improvements in and relating to lamp shades |
US3839632A (en) * | 1973-03-05 | 1974-10-01 | R Federico | Combination spotlight and floodlight |
DE2523643C3 (de) * | 1975-05-28 | 1978-09-21 | Hans-Joachim 4010 Hilden Schurig | Reflektor mit einstellbarem Abstrahlwinkel |
US4855884A (en) * | 1987-12-02 | 1989-08-08 | Morpheus Lights, Inc. | Variable beamwidth stage light |
DE9204201U1 (de) * | 1992-03-30 | 1993-03-25 | Zumtobel Licht Ges.M.B.H., Dornbirn | Reflektorverstellung für eine Leuchte mit rotationssymmetrischem Reflektor |
DE4304587A1 (de) | 1992-03-30 | 1993-10-07 | Zumtobel Licht | Reflektorverstellung für eine Leuchte mit rotationssymmetrischem Reflektor |
-
1997
- 1997-04-09 DE DE19714662A patent/DE19714662A1/de not_active Ceased
-
1998
- 1998-04-09 AT AT98106625T patent/ATE280925T1/de not_active IP Right Cessation
- 1998-04-09 EP EP98106625A patent/EP0870979B1/de not_active Expired - Lifetime
- 1998-04-09 DE DE59812157T patent/DE59812157D1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7771086B2 (en) | 2004-07-27 | 2010-08-10 | Koninklijke Philips Electronics N.V. | Lighting device comprising a lamp unit a reflector |
Also Published As
Publication number | Publication date |
---|---|
DE19714662A1 (de) | 1998-10-15 |
DE59812157D1 (de) | 2004-12-02 |
EP0870979A2 (de) | 1998-10-14 |
ATE280925T1 (de) | 2004-11-15 |
EP0870979A3 (de) | 2000-01-05 |
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