EP2783156A1 - Leuchte mit reflektor oder diffusorschirm - Google Patents
Leuchte mit reflektor oder diffusorschirmInfo
- Publication number
- EP2783156A1 EP2783156A1 EP12816439.9A EP12816439A EP2783156A1 EP 2783156 A1 EP2783156 A1 EP 2783156A1 EP 12816439 A EP12816439 A EP 12816439A EP 2783156 A1 EP2783156 A1 EP 2783156A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- lamp
- screen
- screens
- translucent
- 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
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
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
-
- 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
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
-
- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/673—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for intake
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
-
- 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
- the invention relates to a luminaire, comprising a housing with at least one luminous means and a luminous means holder.
- Luminaires are needed for a variety of purposes. For example, in motor vehicle workshops lights are used to illuminate a part of the engine compartment, so that a sufficient illumination of the working environment can be achieved. Such lights consist for example of a round hand lamp short design, in which there are several bulbs.
- luminaires for illuminating public traffic areas are known, these usually consist of a housing arranged on a mast with a light exit opening. Such luminaires are preferably arranged in a stationary manner in the area of a pedestrian zone or along a roadway.
- lights that are used for the illumination of construction or accident sites.
- approximately round lights are used for this purpose, having a gas-filled balloon envelope or have a screen, which by means of clamping means in an operationally ready
- the present invention has for its object to show a novel lamp, which avoids the disadvantages of the prior art and allows targeted illumination of a particular sub-area.
- the housing of the luminaire has a light-permeable housing element which can be at least partially covered by at least one movable screen.
- a luminaire consists of a housing with an at least partially translucent housing element
- the light emitted by the luminous means can be limited to a predetermined range.
- a movable screen which at least partially covers the translucent housing element, it is possible to influence the illuminated area.
- a limitation of the area to be illuminated can be made, whereby the versatility of such a lamp is substantially increased.
- the umbrella itself can be made from one
- the screen is partially designed as a reflector, so that the emitted light from the lamp is partially reflected and can escape only from the region of the translucent housing element, which is released by the user through the reversibly adjustable screen.
- the luminaire according to the invention is characterized in that it by, for example, two extendable blinds of a 360 ° Rundumianu without affecting the lighting effect in a Rundumdiffusormple over a range of 360 degrees can be rebuilt by removing a Diffusorrollos without major changes.
- the diffuser achieves a reduced glare effect similar to a diffused balloon light. If one dispenses with the use of the diffuser and uses an opaque reflector screen, for example in roll form, the vertical radiation angle can be adjusted in stages, so that a floodlight with directional light field is formed.
- the luminaire according to the invention thus has several functions which can be optionally selected by the user adapted to the respective application.
- Lighting concepts that can be met with a single luminaire.
- a housing element which has one or more openings from which the light can escape.
- the housing element of one or more transparent
- Housing sections consists, from which the light can escape, while ensuring at the same time by the use of at least one screen that the exiting light leads only in a desired range for illumination.
- the housing has at least one upper and one lower housing part, which are interconnected by a light-transmitting housing element and at least one screen is arranged between the two housing elements.
- the screen serves the purpose of that
- the luminaire according to the invention is equipped as halogen lamp or as HQI lamp (iodine-quartz lamp) with corresponding bulbs.
- the upper and lower housing part has a centrally arranged opening. This breakthrough serves to cool the luminaire to create a flow of air that can escape from below through the entire luminaire from the upper housing part.
- an inner hollow cylinder with LED to equip 's as an LED light tube said hollow cylinder is mounted corresponding to the opening of the two housing parts within the lamp.
- the LED 's are in this case mounted on the outside of the inner hollow cylinder, while the cooling tube can be equipped for support on the inside with cooling fins, which contribute in addition to the cooling due to the air flow.
- the inner cooling tube can be made completely separated from the lamp.
- the result is a structural unit of a LED light tube that is fitted on the outside with LEDs.
- the interior of the hollow cylinder may contrast in full contact to the wet and humid environment, and is intended to achieve the necessary cooling, while the electrical components, LEDs and wiring, protected from moisture on the outer surface of the hollow cylinder in the interior of the lamp
- the hollow cylinder with LEDs and wiring is protectively shielded addition, through the housing element, wherein this may for example consist of a protective glass flask or a translucent polymer resin, so that the entire interior of the lamp according to the invention is hermetically sealed.
- the installation of the LED light tube is done in the way in the lamp that the hollow cylinder is aligned with the openings of the two housing parts and thus the air can flow through unhindered.
- at least one fan is arranged, which leads to a higher air flow.
- the control of the fan can in this case take place in such a way that it is constantly running or optionally only switched on when a limit temperature is exceeded, so that preferably the normal cooling can be exploited by the air flow.
- the housing element consists of a cylindrical glass or plastic diaphragm, which is received directly or via a guide element attached thereto in an annular groove or a corresponding guide element of the housing parts.
- This embodiment consists of a lower housing part and an upper housing part, between which the translucent housing element is located.
- it may be a further transparent hollow cylinder made of a glass or a translucent plastic material which, for example, rests with its end faces in existing annular grooves of the housing parts and / or is connected thereto. If necessary, the end faces of the transparent housing element may be equipped with a reinforcing ring or in a
- Pass over metal ring which allows a direct connection with the housing parts, for example, can be thought of a screw connection of the housing parts with the metal ring.
- the at least one light source which is either inserted into a receiving socket and can be acted upon by electrical voltage or in the case of using an LED light tube centrally housed between two housing parts and thus also arranged behind the transparent housing element.
- the at least one screen between the two housing parts in the axial direction or circumferential direction is reversibly movable, in particular extendable or unrollable, is arranged.
- it may be a screen, which in the circumferential direction of the transparent renten housing element, that is, along the circumference, is movable, wherein the height of the screen is adapted to the axial extent of the transparent housing element.
- a tubular shield in the axial direction of the lamp is preferably pulled down from the upper housing part, so that light can escape only from a portion of the transparent housing element.
- the exit angle can be influenced with the help of the circumferentially movable screen, so that, for example, a light emission can only take place over a range of 45 °, 90 ° or 180 °, if necessary also over 270 °
- the lamp according to the invention is thus ideal for filming, for the illumination of construction sites or accident sites because either a spatial section can be selected for illumination by the reflector.
- two screens are used, which are mounted in the circumferential direction and reversibly movable, or at least one screen is movable in the axial direction, so that a combination of different umbrellas is possible.
- the screens themselves can be designed to be translucent or reflective, depending on the intended use, so that the translucent opening of the luminaire can be covered, for example, with the translucent screen, while a limitation of the light exit opening can be made with the reflective screen.
- the two or possibly several screens may be designed in such a way that they are movable over one another and spaced apart from each other so that there is no dependence in the movement of the individual screens.
- a radially inner screen is designed as a diffuser and a radially outer screen is formed as a reflector, which has on the side facing the lamp a reflector layer.
- the inner screen as a diffuser causes a translucent light scattering, so that a glare-free can be ensured, while the radially outer screen with reflector layer allows bundling of the light in the exit direction.
- Textile material may consist, which is made opaque and has on the inside to the bulb towards a highly reflective foil or a mirror foil.
- a reflector thus allows a reflection of the exiting light in the desired direction, wherein the reflector over the circumference of the lamp distributed in several locking stages can be locked so that, for example, a radiation angle of 360 degrees, 270 degrees or 180 degrees is adjustable.
- a diffuser which consists of a translucent material, preferably textile material or of a translucent film, such as a PVC film. Both materials can be wound up in the form of a roller blind, so that even this diffuser film can be locked in different positions over the circumference of the lamp, as far as desired.
- a lock occurs after the diffuser over 360 degrees of
- the circumference of the lamp has been pulled so that it emits a diffused light with low glare over the entire beam angle. As far as one of the two
- each screen has a handle or a finger lug to ensure easy adjustment and beyond preclude that contamination of the screens may occur by contact.
- the housing and / or the screens may have locking means, which are designed to correspond to each other and in any desired position or in latching steps allows a determination of the screens.
- a rolling mechanism of the screens can be used, wherein the pull-out end of the screen can be equipped with locking means, which consist for example of a rod, which in turn can be suspended in existing projections or detents of the housing parts in a corresponding manner.
- the number of locking means determines the adjustment and thus the size of the gap for the exiting light.
- At least one, preferably two corresponding housing parts have at least one holder for receiving at least one screen, wherein the holder is designed as a lateral projection.
- a projection can for example be made in one piece with the upper and lower housing part, wherein the projection for receiving the screen is provided in such a way that a rolling function is ensured.
- it is readily possible that such a projection is provided for receiving at least two umbrellas, which can be fixed in the same or in the opposite direction to be rolled over the circumference of the housing parts.
- the screens can in this case be rotatably mounted and rolled up, similar to a roller blind and thus pulled out like a rolloartig from the holder and engage on the handles and locking means provided in the existing projections or notches of the housing parts, so that a firm clamping of the screens over the circumference is possible.
- the two screens can be constructed for winding and unwinding similar to known blinds from the living area, for example, to simplify a return.
- a spring or a rubber-elastic element can be pre-tensioned as the shields are pulled out so that the shield can be rewound by means of the spring or the elastic elements.
- the lamp is provided with a holder in which the screens are rotatably mounted and rolled up.
- the umbrellas can be pulled out of the holder in a roller-blind manner and fixed along the circumference of the lamp.
- at least one, preferably two screens are movable by a respective gear stage via a Bowden cable, a pull chain or pull rope.
- a gear stage is provided, this can be manually operated, for example, with a manually operated hand knob, which acts directly on the gear stage on the adjustment mechanism of the screens.
- the adjusting mechanism is, for example, a spindle with an upper and / or lower sprocket in question, which meshes with a toothing of a ring element.
- the spindle can be rotated and thus the ring element can be adjusted via the hand knob, wherein the ring element itself is directly connected to a screen.
- an electric motor drive is provided, which is operated from the outside, that is, via switching elements on the lamp and provides a transport at least one screen.
- each individual umbrella can have one
- Gear stage are moved, so that the umbrellas can be adjusted individually to each other.
- the particular advantage of this embodiment is further that the screens are held in any position without additional locking elements.
- the gear stages are arranged above and / or below the housing elements to allow a uniform transport of the screens.
- the screens can be opened or unwound by the gear stages.
- a spring mechanism is tensioned, which supports the rolling up of the umbrellas.
- At least one housing part has fastening means, wherein these are provided for a tripod, a rope, a chain, a wall and / or ceiling mounting.
- the fasteners are used to anchor the housing parts in a fixed position, so depending on
- the housing itself may be formed in this case hollow cylinder, spherical or ellipsoidal, with this embodiment refers in part to the housing parts and partly to the transparent housing element.
- At least one housing part is provided on the inside with a reflector layer and / or at least one housing part, preferably the lower housing part, is translucent, so that the eventual stray light is also available.
- the holder is designed to receive the screens in such a way that the reflector and / or the diffuser screen engages only with small marginal surfaces in the housing parts and thus a large radiating surface can be achieved.
- the particular advantage of the present invention is that, with appropriate preselection of the housing shape, be it cylindrical, spherical or ellipsoidal, a luminaire is provided which has centrally at least one lamp, which is located behind a transparent housing part, so that the light are emitted can.
- a luminaire is provided which has centrally at least one lamp, which is located behind a transparent housing part, so that the light are emitted can.
- a reflector screen and a diffuser screen around one cylindrical housing shape, whereby the radiation angle through the reflector screen over a desired range is adjustable, for example, 180 °, 270 ° or 360 °.
- the light can be targeted in a specific work area to be directed.
- a diffuser screen can be used, which can preferably be clamped over 360 ° of the luminaire and, moreover, a high light intensity is available.
- the luminaire can be equipped, for example, with a halogen or HQI spotlight, which is arranged centrally within the luminaire and depending on the intended use by means of a reflector or a diffuser for
- Produce a floodlight or a glare-free diffused light can be used.
- an LED light tube is used as the light source, wherein the outer side is equipped with LEDs and the inside can also be equipped for cooling purposes with cooling elements.
- the LED light pipe is hereby mounted corresponding to openings of the upper and lower housing part in the luminaire, so that an air flow within the LED light pipe is created for cooling.
- a fan to increase the air flow.
- Fig. 1 in a perspective side view of an inventive
- FIG. 2 in a perspective side view of the known from Figure 1
- FIG. 3 in a plan view of the known from Figure 1 lamp, 4 shows a section through the luminaire according to the invention in the axial direction with rolled-up screens,
- FIG. 7 is a plan view of another embodiment of the lamp according to the invention with a tubular breakthrough with rolled-up umbrellas,
- FIG. 9 shows the luminaire according to the invention according to FIG. 7 with the reflector screen partially pulled out, FIG.
- Fig. 10 in a sectional plan view of the lamp according to the invention
- Fig. 12 is a perspective sectional view of another embodiment of the lamp according to the invention.
- FIG. 1 shows a perspective side view of a lamp 1 according to the invention, which consists in the embodiment shown of a housing 2 with a translucent housing element 3 and two umbrellas 4, 5, wherein a screen 5 is hidden in this view by the translucent housing element 3.
- the illustrated embodiment of a lamp 1 is in this particular case of two housing parts 6, 7, which circular executed an upper and lower Form the completion of the luminaire 1.
- a translucent housing element 3 Between the two housing parts 6, 7 is a translucent housing element 3, which is adapted in terms of dimensions to the two housing parts 6, 7 and in the embodiment has a cylindrical shape.
- a light source 8 is arranged, which is accommodated in a luminous means base 9, as shown in FIG. 4.
- the upper and lower housing part 6, 7 each have an integrally molded bracket 10, 11.
- the umbrellas 4, 5 can thus be fixed along the circumference of the translucent housing element 3 by means of locking means.
- the locking means consist on the one hand of a rod 13, which may be formed integrally with handle 12, for example, wherein the rod 13 projects beyond the width of the screens 4, 5 and thus in a detent 14, 15, 16, 17 can be hung as a further locking means ,
- the detents 14, 15, 16, 17 may be integrally formed circumferentially integrally formed on the housing parts 6, 7 and distributed over a range of up to 360 ° distributed at greater angular intervals.
- the inner screen 5 may preferably consist of a translucent material, so that a scattering effect is achieved, while on the other hand the radially outer screen 4 may be formed as a reflector screen to cover certain areas of the translucent housing element 3 and thus to achieve a directed light effect.
- the entire lamp 1 is either rotatably mounted either in a suspended form or in the form of a standing attachment, for example on a tripod, so that the direction in which the light is to be emitted can be preselected.
- the Arettierstoff, for example, for the screen 4 only at an angle of 180 ° by a detent 14, 15 are provided. Of course, several detents for the screen. 4
- a reflector effect may be provided to also produce, for example over an angle of 270 °, a reflector effect.
- the situation is similar with the screen 5, which as Diffuser is formed.
- a plurality of latching steps can also be provided for the latter, wherein the screen will preferably extend over 360 ° of the luminaire 1, so that all-round illumination can be achieved by means of the diffuser screen without a glare effect.
- only one detent 16 and a concealed detent 17 of the inner housing part 7 is provided.
- a flood light radiation over, for example, an angle of 270 ° or 180 °, so that a targeted illumination of a particular area can be done.
- Figure 2 shows a perspective side view of the known from Figure 1 lamp 1 with its translucent housing element 3 and upper and lower
- the outer screen 4 which is designed as a reflector screen, received at an angle of 180 ° in the detent 14, 15, so that in this position, the lamp are used as floodlights with a beam angle of 180 ° can.
- the screen 5 is shown as a diffuser screen in a rolled-up position.
- the upper housing part 6 is rounded, while the lower housing part 7 has a rather flat design.
- the translucent housing element 3 which is cylindrical in the embodiment shown and is seated with its end faces in a corresponding recess of the two housing parts 6, 7. Laterally on the housing parts 6, 7, the brackets 10, 11 are arranged, which are provided for receiving the two screens 4, 5.
- a first screen 5 is formed as a translucent screen and has a rod 13 with a handle 12, so that the screen 5 pulled out like a rollo and can be set using the locking means on the circumference of the lamp 1 in different positions.
- a second handle 21 with rod 18 is provided for the second screen 4.
- the two handles 13, 21 serve to pull out the umbrellas 4, 5 like a rollover and to stretch over the circumference of the transparent, translucent housing element.
- the handles 13, 21 a rod 13, 18, which goes beyond the height of the screens 4, 5 and thus can be mounted in existing detents 14, 15, 16, 17.
- the screen 5 is completely rolled up, while the screen 4 is received as a reflector over an angle of 180 ° in the notches 14, 15 and thus locked.
- the lamp 1 can be used as a floodlight without diffuser effect.
- the first screen 4 can also be pulled out over an intended angle range and fixed in the locking means, so that a partial illumination with
- Diffuser effect can be done by the lamp 1.
- the screen 5 remains rolled up as a reflector screen and only the screen 4 is mounted as a diffuser screen over an angle of for example 360 ° in the provided detent 16, 17, so that all-round radiation over 360 ° is achieved with Diffusorlichtwir- effect.
- Figure 3 shows in a plan view of the known from Figure 1 lamp with its upper housing part 6.
- the holder 10 is integrally formed, with a nearly identical holder 11 is integrally formed on the lower housing part 7, so that between two brackets 10, 1 the umbrellas 4, 5 can be clamped.
- two axes of rotation 22, 23 are provided and the two handles 13, 21, which allow a rolloartiges extending the umbrellas 4, 5.
- the inner screen 4 can be pulled out with the help of the handle 13 so far that it can be stretched completely over the circumference of the translucent housing member 3, wherein the handle 12 can be mounted with its rod-shaped end 13 in a detent 16, 17.
- the detents 16, 17 are located on the opposite side of the holder 10, 11.
- a plurality of detents 14, 15, 16, 17 are formed, into which the rods 13, 21 of the first and second screen 4, 5, can be hung.
- the screen 5 can also be pulled out of the holder 10, 11 via the handle 21 with rod 18 and clamped over the circumference of the translucent housing element 3.
- a detent 14, 15 diametrically opposite to the holder 10, 11 is provided, so that the screen 5 can be locked over an angle of 180 °.
- the Possibility to provide different notches 14, 15 at different angular distances so that the screen 5, which is preferably formed as a reflector screen, can be used to select a certain angular range of the lamp 1 according to the invention to confine the illumination field.
- FIG. 4 shows an axial section of the lamp 1 according to the invention, through the center of the lamp 1. From this sectional view it can be seen that between the two housing parts 6, 7, the light-transmissive housing element 3 is arranged. For fixing the housing element 3, the two housing parts 6, 7 an annular groove 30, 31, in which the end-shaped edge of the housing element 3 zuo comes. By further provided screwing is hereby ensured that the housing element 3 is securely held between the two housing parts 6, 7.
- the bulb 8 which is seated in the bulb socket 9.
- a voltage supply can take place via a contact point in the lower region of the housing part 7.
- an upper bracket 10 and a lower bracket 11 is integrally formed. The brackets 10, 11 serve to receive an outer screen 4 and an inner
- Umbrella 5 which rolled up similar to a roller blind and by pulling on the handles 12, 21, which are not visible from this sectional view, can be unrolled.
- FIG. 5 shows in a radial section a view of the lower housing part 7 with luminous means 8 and luminous means base 9.
- the holder 11 is integrally connected to the lower housing part 7 and is used to receive the two screens 4, 5 .
- the screens 4, 5 are each equipped with a handle 12, 21, which allow the umbrellas 4, 5 can be pulled out similar to a roller blind, with a lock in the existing notches 14, 15, 16, 17 is possible.
- the lower housing part 7 and also the upper housing part 6 has an annular groove 31, or 30, in which the translucent housing element 3 is seated, so that a jamming between the two housing parts 6, 7 takes place.
- the lower housing part 7 is in this case largely hollow-walled and has radial reinforcing struts 26 and axial reinforcing struts 27. Similar
- Reinforcing struts are formed at the upper housing part 6.
- FIG. 6 shows in a further view an axial section.
- the figure largely corresponds to FIG. 4, wherein the section line leads eccentrically through the housing 2. From this view, it is clear that the upper housing part 6 is also hollow-walled and axial and radial reinforcing struts are provided.
- FIG. 7 shows a top view of a further particular embodiment of a luminaire 50 according to the invention with a tubular opening.
- the luminaire 50 likewise consists, as can be seen in particular from the sectional illustration according to FIG. 11, of a housing 51 with a translucent housing element 52 and an upper and lower housing part 53, 54.
- the design of the luminaire 50 largely corresponds to that of FIGS. 1 to 6 described lamp 1, in this embodiment, the upper housing part 53 has an opening 55 and the lower housing part 54 has an opening 56.
- the two openings 55, 56 are aligned with one another and are provided for a laminar flow of air, so that the interior of the lamp 50, in particular the illuminant described in the following figures, can be cooled.
- the two housing parts 53, 54 of the lamp 50 also have a holder 57, 58 which serves to receive two screens 59, 60.
- the screens 59, 60 can each be pulled out of the holder 57, 58 by means of a handle 61, 62 and clamped over the circumference of the lamp 50 by means of locking means in the form of detents 63, 64 and 65, 66.
- a first screen 59 is also formed in the lamp 50 as a diffuser, while a second screen 60 is formed as a reflector.
- this lamp 50 it is also possible with this lamp 50 to provide an all around radiation with or without a diffuser or a flood light radiation using the reflector. in the
- FIG. 8 shows, in a radial section, the luminaire 50 from FIG. 7, wherein it is once again clear that the two housing parts 53, 54 are provided with an opening 55, 56.
- the translucent housing member 51 is shown in FIG.
- the view of the lower housing part 54 also shows that the housing part 54 is reinforced by a plurality of annular struts 69 and radially extending struts 70.
- the upper housing part 53 is designed. From this sectional view it can be seen that the holders 57, 58 receive a first screen 59 and a second screen 60, wherein the first screen 59 is designed as a diffuser screen and the second screen 60 as a reflector screen.
- the two screens 59, 60 are in the brackets 57, 58 and can be pulled out of this holder like a roller blind 57, 58, so that by means of the handles 61, 62, a lock can be made.
- the handles 61, 62 are connected to a rod 71, 72 which can be hooked in the detents 63, 64 and 65, 66, so that the screens 59, 60 in a corresponding position, for example 180 ° for the reflector screen and can be taken arresting approximately 360 ° for the diffuser screen.
- Figure 9 shows in a plan view of the lamp 50, with an extended screen 60, which was locked by means of the handle 62 in the detent 63, 64 by the rod 71.
- the lamp 50 can be used as floodlights with a beam angle of approximately 180 °.
- the reflector screen 59 with handle 61 is here in the rolled-up state between the two
- FIG. 10 shows in a radial section again the lamp 50 according to the invention in the position known from Figure 9, wherein the reflector has been locked as a second screen 60 over an angle of approximately 180 °, so that this lamp can be used as a floodlight.
- FIG. 11 shows in a sectional side view a longitudinal section through the luminaire 50 with an upper and lower housing part 53, 54.
- the two housing parts 53, 54 are each integrally formed with the holder 57, 58, with the holders 57, 58 for receiving the first Shade 59 and second screen 60 are provided.
- the screens are received via a pin 73, 74 and 75, 76 in the holder 57, 58 and can be pulled out of the holder using the handle 61, 62, so that by means of the further locking means in the form of detents 63, 64 a tension of the screen 60 can be made as a reflector over an angle of approximately 180 °, while the first screen 59 can be locked as a diffuser in the notches 65, 66 pulled over an angle of approximately 360 °.
- the detent 65, 66 is not apparent from this sectional drawing.
- Essential in this second embodiment of the lamp 50 is an opening 55 of the first housing part 53 and an opening 56 of the second housing part 54.
- the apertures 55, 56 correspond to each other and simultaneously serve to support a rod-shaped lamp 80.
- a luminous means 80 in the form of LED's provided which are circumferentially distributed on the outer surface 81st
- a ventilation channel 82 is centrally formed, which is provided for cooling the LED ' s on the tubular wall 81.
- the ventilation duct 82 is open at the top and at the bottom, so that an air flow is already generated by the heat development. If necessary, however, it is possible to additionally provide a fan at least in the lower region, so that a stronger air circulation can be achieved. Air circulation is used to cool the tubular ones
- This embodiment of the lamp 50 ensures that sufficient cooling already occurs due to the resulting air flow, which, however, can be additionally amplified by a fan if required.
- the particular advantage of the second embodiment according to luminaire 50 is therefore the use of energy-saving LED illuminants, at the same time ensuring reliable is that ensures sufficient cooling and thus a long life of each LED ' s.
- FIG. 12 shows, in a perspective sectional view, an embodiment of a luminaire 100 which has an upper housing part 101 and a lower housing part 102. Between the two housing parts 101, 102, a housing element 103 is arranged, which is transparent as in the embodiments described above. In the middle there is a light source 104. On the outside of the housing element 3 is a screen 105 with a reflector layer 106. This screen 105 can be pulled like a rollo like in the embodiments described above from a holder and in various detents 107, 108 are mounted so that, for example, light emission can occur over an angle of 90 degrees, 180 degrees, 270 degrees, or nearly 360 degrees when the screen is fully wound up.
- a second screen 109 which is connected at the end in each case with a ring element 110.
- the ring elements 110 in this case have a toothing 111 which meshes with a toothed rim 112, 113.
- the two sprockets 112, 113 are located on a spindle 114 which is passed through the lower housing part 102 and has a hand knob 115, wherein the spindle 114 is rotatably mounted in the lower housing part 103 and also in the upper housing part 101.
- both screens 105 and 109 are disposed within and / or outside of the housing member 103 and two spindles 114 with sprockets 112, 113 are mounted independently rotatable so that with two outer hand knobs 115 both screens 105, 109 can be adjusted.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011119042.6A DE102011119042B4 (de) | 2011-11-22 | 2011-11-22 | Leuchte mit Reflektor oder Diffusorschirm |
PCT/DE2012/001096 WO2013075691A1 (de) | 2011-11-22 | 2012-11-19 | Leuchte mit reflektor oder diffusorschirm |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2783156A1 true EP2783156A1 (de) | 2014-10-01 |
EP2783156B1 EP2783156B1 (de) | 2019-05-08 |
Family
ID=47594158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12816439.9A Not-in-force EP2783156B1 (de) | 2011-11-22 | 2012-11-19 | Leuchte mit reflektor oder diffusorschirm |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140340895A1 (de) |
EP (1) | EP2783156B1 (de) |
CN (1) | CN103998861A (de) |
CA (1) | CA2854203A1 (de) |
DE (1) | DE102011119042B4 (de) |
WO (1) | WO2013075691A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105003857A (zh) * | 2015-08-21 | 2015-10-28 | 江苏翠钻照明有限公司 | 一种可调式led灯具 |
CN106224830A (zh) * | 2016-07-22 | 2016-12-14 | 惠州市西顿工业发展有限公司 | 一种环照壁灯 |
CN106224829A (zh) * | 2016-07-22 | 2016-12-14 | 惠州市西顿工业发展有限公司 | 一种灯具 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1343859A (en) * | 1920-03-09 | 1920-06-15 | Warner Martin | Window-shade attachment |
US1399564A (en) * | 1921-04-28 | 1921-12-06 | Henry August F Kurre | Curtain for lamp shades or domes |
GB562626A (en) * | 1943-01-14 | 1944-07-10 | William Stephen Glover | Improvements relating to electric lamps |
DE1730188U (de) * | 1956-06-08 | 1956-09-20 | Erich Neubert | Nachttischlampe mit abblendevorrichtung. |
FI52145C (fi) * | 1971-01-12 | 1977-06-10 | Tarmo Aatos Nykaenen | Valaisin. |
US3696242A (en) * | 1971-06-15 | 1972-10-03 | Leon R Patry | Connector for a post-mounted lighting fixture |
US3829681A (en) * | 1973-05-24 | 1974-08-13 | G Fuss | Lantern shields |
US4410932A (en) * | 1981-06-11 | 1983-10-18 | Keystone Lamp Mfg. Corporation | Electric lamp |
DE3711568A1 (de) * | 1987-04-06 | 1988-10-27 | Peter J Hitz | Anordnung zum richten von licht |
US5072352A (en) * | 1991-02-28 | 1991-12-10 | Warner Rosenschein | Trouble lamp |
US5311409A (en) * | 1993-06-14 | 1994-05-10 | Camera World, Inc. | Collapsible photographic light diffuser |
FR2724446B1 (fr) * | 1994-09-13 | 1997-01-31 | Noblia Jean Francois | Lampe et applique halogene a changeur de couleur par telecommande |
DE19740592A1 (de) * | 1997-09-15 | 1999-03-18 | Soanca Pollak Georg | Leuchte sowie Verfahren zur Erzeugung eines Lichts mit regelbarem Farbton |
DE29720851U1 (de) * | 1997-11-25 | 1998-01-29 | Rosin, Ayal, 75175 Pforzheim | Leuchte mit freiliegenden Teilen |
US6168291B1 (en) * | 1998-09-14 | 2001-01-02 | Sterner Lighting Systems Incorporated | Luminaire motorized shade (douser) mechanism |
IT1312443B1 (it) * | 1999-05-14 | 2002-04-17 | Luigi Tassoni | Struttura di finestra con mezzi di illuminazione propri |
AT503261B1 (de) * | 2006-03-10 | 2008-05-15 | Hierzer Andreas | Leuchtenanordnung sowie daraus hergestellter sichtschutz bzw. raumteiler |
US7703947B2 (en) * | 2006-11-07 | 2010-04-27 | Omnicolor, L.P. | Method and apparatus for bidirectional control of the color and diffusion of a light beam |
US20090168434A1 (en) * | 2007-12-28 | 2009-07-02 | Chi-Wen Chen | Illuminating Device |
DE102008003703B4 (de) * | 2008-01-09 | 2011-03-10 | Volker Käppel | Leuchte mit einem Leuchtengehäuse in Form eines Hohlprofils |
US20090268453A1 (en) * | 2008-04-24 | 2009-10-29 | King Luminarie Co., Inc. | LED baffle assembly |
IT1396328B1 (it) * | 2009-11-10 | 2012-11-16 | Mizza Renato Di Balzarotti Ambrogio | Dispositivo di segnalazione luminosa |
-
2011
- 2011-11-22 DE DE102011119042.6A patent/DE102011119042B4/de not_active Expired - Fee Related
-
2012
- 2012-11-19 US US14/359,303 patent/US20140340895A1/en not_active Abandoned
- 2012-11-19 WO PCT/DE2012/001096 patent/WO2013075691A1/de active Application Filing
- 2012-11-19 CN CN201280057318.2A patent/CN103998861A/zh active Pending
- 2012-11-19 EP EP12816439.9A patent/EP2783156B1/de not_active Not-in-force
- 2012-11-19 CA CA2854203A patent/CA2854203A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA2854203A1 (en) | 2013-05-30 |
EP2783156B1 (de) | 2019-05-08 |
CN103998861A (zh) | 2014-08-20 |
DE102011119042B4 (de) | 2015-10-29 |
US20140340895A1 (en) | 2014-11-20 |
WO2013075691A1 (de) | 2013-05-30 |
DE102011119042A1 (de) | 2013-05-23 |
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