EP1336798B1 - Konvektionsreflektor - Google Patents
Konvektionsreflektor Download PDFInfo
- Publication number
- EP1336798B1 EP1336798B1 EP03003672A EP03003672A EP1336798B1 EP 1336798 B1 EP1336798 B1 EP 1336798B1 EP 03003672 A EP03003672 A EP 03003672A EP 03003672 A EP03003672 A EP 03003672A EP 1336798 B1 EP1336798 B1 EP 1336798B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- air
- space
- luminaire
- jacket element
- 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
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components 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
- 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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/37—U-shaped
Definitions
- the present invention relates to a recessed luminaire for one-sided socketed Illuminant intended for installation in horizontal recessed ceilings.
- Luminaires are often referred to as downlights and installed in false ceilings.
- a ceiling mounting ring for connecting the Luminaire provided with the built-in ceiling, which is mounted in the mounting hole.
- the ceiling mounting ring carries a reflector, which in turn is a socket, optionally wearing a socket carrier.
- the operating devices are used for mounting placed in the false ceiling and electrically by means of a cable with the light or connected to the light source. Mechanically exists between the Ceiling mounting ring and the lamp no connection.
- the Reflector typically concave-shaped and oriented after installation of the luminaire, that it forms a downwardly open space. Upwards he forms together with the socket or the socket carrier a substantially closed Room.
- the light source is located in the space defined by the reflector, in In the following called reflector space.
- reflector space Here is a vertical arrangement of the Light source known.
- a lamp which is a reflector having in its upper region a passage over which a Air exchange between the space bounded by the reflector and the Reflector surrounding space is made possible.
- luminaire are in lower portion of the reflector further openings arranged, which an inflow of air coming from the underside of the candlesticks. A certain Cooling of the lamp is thus achieved in that air from the bottom the lamp flows in and is discharged to the top.
- the object of the invention is to continue to known from US 3,701,895 light improve.
- This is a luminaire of the type shown, in particular for Compact fluorescent lamps should be designed so that they are as small as possible can be built while respecting relevant standards and regulations the heating are respected.
- a luminaire for one-sided socketed Illuminant with substantially downwardly oriented Lichtabstrahlraum proposed a reflector surrounding the bulbs, wherein the light for an installation in a false ceiling space is formed.
- the lamp is provided with a passage that allows an exchange of air between that of the Reflector limited space and the space surrounding the reflector, wherein furthermore provided according to the invention that in the lower, in the installed state the lamp of the false ceiling facing region of the reflector wall at least an inlet is located, which is an inflow of air from the surrounding the reflector Room in the space limited by the reflector allows.
- the measure according to the invention is taken into account that in the event that the luminaire in the area of the ceiling installation ring, that is approximately at the level of the installation ceiling provided with a translucent finish filling the ceiling mounting ring, This could cause air to enter the reflector chamber from below is hampered that it, due to the outflow of heated air through the said passage in the upper region of the reflector within the reflector space to an air pressure decrease comes, which in the consequence the outflow of air upwards significantly impeded by the passage.
- a subsequent flow of cooler air allows the area surrounding the reflector in sufficient quantity.
- the Dimensioning of the inlet can be chosen so that the desired Cooling effect is achieved.
- the reflector of a sleeve-like Be surrounded shell element which in the installed state, the reflector from above mantle-like, in the upper area forms another passage for air, in a distance from the reflector is arranged, so that an air flow through a possible channel formed by the reflector outer side and the jacket element inside is and in the lower area between reflector outside and Mantelelementunterkante forms an inlet for air in this channel.
- This jacket element is from the reflector carried by connecting elements, which may be designed like struts, for example can.
- the socket or socket carrier in this case either from the reflector or from the jacket element or from reflector and jacket element carried.
- the installation space is typically top of a ceiling and sidewalls sideways limited.
- the illustrated thermal conditions in the installation space a Type convection cell structure such that air in the area of the ceiling of the lamp is driven away from the side, at a certain distance from the lamp, in any case sinks between the lamp and the lateral boundary walls, in lower area of the installation space, near the false ceiling, to the lower channel opening is led and through the channel, as described, rises again.
- a heat exchange effect is achieved, which leads to a effective dissipation of the heat generated by the lamp leads into the installation space.
- the shape of the jacket element, the distance of the jacket element to the reflector and the shape of the reflector outside are to be chosen so that the described Convection can form so strong that through them sufficient cooling of the Lamp is achieved.
- the Air flow is not hampered so much that the desired cooling effect absent.
- the jacket element substantially in the shape of the reflector and to a degree by which the channel width is determined is to be offset from the reflector to the top.
- Fig. 1 shows a lamp 1, mounted between a suspended false ceiling 5 and a ceiling 6.
- a circular annular flange is mounted, which serves as a ceiling mounting ring 14 for the lamp 1.
- the ceiling mounting ring 14 is in generally filled with a translucent cover glass 16.
- the reflector 2 is attached on the Ceiling mounting ring 14, the reflector 2 is attached.
- the reflector 2 is usually coated on its inside with a suitable light-reflecting material. He has, for example, the shape of a straight circular truncated cone and is oriented so that his Symmetryeachse with the symmetry axis of the ceiling mounting ring 14 is identical and that is a downwardly directed in the space to be irradiated 15 emission direction 17 results.
- the base of the reflector rectangular or dlg. be shaped.
- the version 3 optionally with a socket carrier of the bulb 4.
- the lighting means 4 On the Bottom of the socket 3 is connected to the U-shaped bulbs 4, which protrudes substantially into the reflector space 12.
- the lighting means 4 is so arranged so that its axis is identical to the axis of the circular truncated cone of is described by the reflector 2.
- From the top of the version 3 are the electrical connections are conducted by means of cables in the ceiling 6, where they optionally with other equipment, such as an electrical Ballast connected.
- the version 3 is by strut-like elements (not drawn) connected to the reflector 2 and is supported by it.
- the lamp 4 heats up. This leads to a Heating the air in the immediate vicinity of the light source 4.
- the heated air rises to the top and occurs in the further course through the passage 9 upwards.
- This has a suction effect in the lower region of the reflector chamber 12 result, by which an air inflow from the located outside of the reflector 2 room 8 in the reflector space 12 is caused by the inlet 10.
- This forms a kind of convection cell characterized by an increase of the air in the Reflector space 12 and a decrease in the air in the space 8 outside of the reflector.
- Fig. 2 can be seen in accordance with the conditions shown in Fig. 1 the lamp 1 between the false ceiling 5 and the ceiling 6 with the Ceiling mounting ring 14 and the translucent cover glass 16, which the Ceiling mounting ring 14 fills, the version 3, optionally with socket carrier, the with the socket 3 connected bulbs 4 and the downward Light emission direction 17.
- the reflector 2 has the same shape and the same orientation as that in FIG. 1 However, this differs from this in that he has no entrance into has its lower part. This generally leads to that in FIG. 1 Case shown to improve the quality of the light emission.
- the jacket element 11 like the reflector 2, has the shape of a straight line Truncated cone and is of similar or the same size as the reflector 2, has with this the axis of symmetry together, but is opposite to the reflector 2 after arranged at the top by a certain supernatant. This creates between the reflector 2 and the jacket member 11 a channel 13 of the width d, through the air can flow.
- the channel 13 is in the form of a frusto-conical annular gap educated. However, it is also possible to pass through the channel substantially divide vertical partitions into individual segments. These partitions may be identical to the supporting connecting elements, the reflector 2 and connect the jacket member 11.
- the version 3 or the socket carrier is about strippenartige elements (not shown) connected to the jacket member 11 and is supported by this.
- the light-emitting means 4 projects substantially into the reflector space 12. Between Reflector upper edge 18 and 4 bulbs is a passage 9, through the air can flow. Between the upper edge 19 of the jacket element 11 and the version of the third or the socket carrier is another, annular passage 20, through can flow in the air. Between the lower edge 21 of the jacket element 11 and the Reflector 2 is a distance through which air can flow into the channel 13.
- the lamp 4 heats up and gives the heat to the surrounding air. This leads to an increase in the air in the immediate Surroundings of the light source 4. In the area of the reflector space 12, below the Lower edge of the light source, it comes through in the immediate vicinity of Lamp 4 rising air to a suction effect. This causes a Air flow in the lower region of the reflector space 12, so close to the End glass 16, which is directed substantially in the direction of the axis of symmetry is. This in turn forces a downward movement of air near the Inside of the reflector 2. In this way, a kind of convection occurs in the Reflector space 12.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Finger-Pressure Massage (AREA)
- Prostheses (AREA)
Description
- 1
- Leuchte
- 2
- Reflektor
- 3
- Fassung, gegebenenfalls mit Fassungsträger
- 4
- Leuchtmittel
- 5
- Einbaudecke
- 6
- Raumdecke
- 7
- Seitenwand
- 8
- Einbauraum
- 9
- Durchlass durch Reflektor
- 10
- Einlass in Reflektor
- 11
- Mantelelement
- 12
- Reflektorraum
- 13
- Kanal
- 14
- Deckeneinbauring
- 15
- zu beleuchtender Raum
- 16
- Abschlussglas
- 17
- Lichtabstrahlrichtung
- 18
- Oberkante Reflektor
- 19
- Oberkante Mantelelement
- 20
- Durchlass durch Mantelelement
- 21
- Unterkante Reflektor
- 22
- Einlass in Kanal
- ü
- Überstand
- d
- Kanalbreite
Claims (8)
- Leuchte für einseitig gesockelte Leuchtmittel (4) mit im wesentlichen nach unten orientierter Lichtabstrahlrichtung und einem Reflektor (2), der die Leuchtmittel (4) umgibt, wobei die Leuchte (1) für einen Einbau in einem Zwischendeckenraum (8) ausgebildet ist,
und wobei zwischen dem Reflektor (2) und dem Leuchtmittel (4) wenigstens in dem dem Sockel zugewandten, oberen Bereich der Leuchte ein Durchlass (9) vorgesehen ist, der einen Luftaustausch zwischen dem von dem Reflektor begrenzten Raum (12) und dem den Reflektor umgebenden Raum (8) zulässt,
dadurch gekennzeichnet, dass sich im unteren, im eingebauten Zustand der Leuchte (1) der Zwischendecke (5) zugewandten Bereich der Reflektorwand (2) wenigstens ein Einlass (10) befindet, der ein Einströmen von Luft aus dem den Reflektor (2) umgebenden Raum (8) in den vom Reflektor (2) begrenzten Raum (12) ermöglicht. - Leuchte nach Anspruch 1,
dadurch gekennzeichnet, dass den Reflektor (2) in einem Abstand wenigstens teilweise umgebend ein hülsenartiges Mantelelement (11) angebracht ist, so dass zwischen der Reflektorwand (2) und dem Mantelelement (11) ein abgegrenzter Strömungskanal (13) gebildet ist. - Leuchte nach Anspruch 2,
dadurch gekennzeichnet, dass die Breite (d) des Strömungskanals (13) in einem Überlappungsbereich des Reflektors (2) mit dem Mantelelement (11) wenigstens näherungsweise konstant ist. - Leuchte nach Anspruch 2 oder 3,
dadurch gekennzeichnet, dass die Oberkante (19) des Mantelelementes (11) bezüglich der Oberkante (18) des Reflektors (2) übersteht. - Leuchte nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass der Reflektor (2) und gegebenenfalls das Mantelelement (11) kegelstumpfförmig ausgebildet sind. - Leuchte nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass eine Fassung (3) und/oder ein Fassungsträger der Leuchte (1) derart mit dem Reflektor (2) verbunden ist, dass der Luftaustausch durch den Durchlass (9) möglich ist. - Leuchte nach einem der Ansprüche 2 bis 6,
dadurch gekennzeichnet, dass die Fassung (3) und/oder der Fassungsträger derart mit dem Mantelelement (11) verbunden ist, dass ein Luftaustritt aus dem Strömungskanal (13) nach oben, in eingebautem Zustand in Richtung zur Raumdecke (6) möglich ist. - Leuchte nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass der Reflektor (2) mittels eines Flanschringes (14) mit der Zwischendecke (5) verbunden ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20202558U | 2002-02-19 | ||
DE20202558U DE20202558U1 (de) | 2002-02-19 | 2002-02-19 | Konvektionsreflektor |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1336798A2 EP1336798A2 (de) | 2003-08-20 |
EP1336798A3 EP1336798A3 (de) | 2004-05-19 |
EP1336798B1 true EP1336798B1 (de) | 2005-12-28 |
Family
ID=7967978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03003672A Expired - Lifetime EP1336798B1 (de) | 2002-02-19 | 2003-02-18 | Konvektionsreflektor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1336798B1 (de) |
AT (1) | ATE314612T1 (de) |
DE (2) | DE20202558U1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4425019B2 (ja) * | 2004-02-26 | 2010-03-03 | 株式会社キャットアイ | ヘッドランプ |
WO2007138505A1 (en) * | 2006-05-29 | 2007-12-06 | Koninklijke Philips Electronics N.V. | An assembly for use in a light alarm clock comprising a lamp and a casing |
FR2903166B1 (fr) * | 2006-06-29 | 2008-09-12 | Financ Veron Sofive Soc | Luminaire pour ampoule incandescente, encastrable |
DE102006047685A1 (de) * | 2006-10-09 | 2008-04-10 | Rzb Rudolf Zimmermann, Bamberg Gmbh | Universell einsetz- und komplettierbarer Leuchtenkörper |
EP2012057B1 (de) * | 2007-07-03 | 2010-04-28 | BÄ*RO GmbH & Co. KG | Leuchte |
DE102008006535A1 (de) * | 2008-01-29 | 2009-07-30 | Med Licht Gmbh | Leuchte |
FR2936858A1 (fr) * | 2008-10-07 | 2010-04-09 | Luc Philippe Lucien Robichon | Dispositif d'aeration pour systemes lumineux encastres dans un plafond ou un faux plafond. |
EP2525137A1 (de) | 2011-05-20 | 2012-11-21 | Ansorg GmbH | Leuchte mit einem LED-Modul als Leuchtmittel und einem Gebläse zur Kühlung |
DE102012222184A1 (de) | 2012-12-04 | 2014-06-05 | Zumtobel Lighting Gmbh | Leuchte mit Luftleitflächen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3701895A (en) * | 1971-06-30 | 1972-10-31 | Thomas Industries Inc | Combined lighting and ventilating fixture |
DE8233139U1 (de) * | 1982-11-25 | 1983-05-19 | Elektrotechnik-Apparatebau Peter Schmitz, 3200 Hildesheim | Leuchte |
DE8710698U1 (de) * | 1987-08-05 | 1987-09-17 | Korsch, Alfred, 4154 Tönisvorst | Leuchte |
US5145247A (en) * | 1991-03-20 | 1992-09-08 | Mandy Robert R | Down lighting systems and fixtures therefor |
US4930054A (en) * | 1988-12-09 | 1990-05-29 | Nutone, Inc. | Dual cone recessed lighting fixture |
DE4008124A1 (de) * | 1990-03-14 | 1991-09-19 | Nafa Light Kurt Maurer | Leuchte |
DE4014360A1 (de) * | 1990-05-04 | 1991-11-07 | Bosch Siemens Hausgeraete | Beleuchtungseinrichtung fuer einen herd |
DE4334882A1 (de) * | 1993-10-08 | 1995-06-29 | Abke Hermann Elektro Kg | Möbeleinbauleuchte |
DE4413290C2 (de) * | 1994-04-16 | 1999-10-28 | Zumtobel Licht Gmbh Dornbirn | Halogenleuchte |
US5651609A (en) * | 1994-12-06 | 1997-07-29 | Pelton; Bruce A. | Convection venting lensed reflector-type compact fluorescent lamp system |
JPH10171362A (ja) * | 1996-12-06 | 1998-06-26 | Hitachi Ltd | 液晶プロジェクタ |
JP2001167628A (ja) * | 1999-12-10 | 2001-06-22 | Matsushita Electric Works Ltd | 埋込型照明器具 |
-
2002
- 2002-02-19 DE DE20202558U patent/DE20202558U1/de not_active Expired - Lifetime
-
2003
- 2003-02-18 DE DE50302026T patent/DE50302026D1/de not_active Expired - Lifetime
- 2003-02-18 EP EP03003672A patent/EP1336798B1/de not_active Expired - Lifetime
- 2003-02-18 AT AT03003672T patent/ATE314612T1/de active
Also Published As
Publication number | Publication date |
---|---|
DE50302026D1 (de) | 2006-02-02 |
EP1336798A3 (de) | 2004-05-19 |
DE20202558U1 (de) | 2003-07-03 |
EP1336798A2 (de) | 2003-08-20 |
ATE314612T1 (de) | 2006-01-15 |
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