EP1564787A2 - Lamp for general lighting purposes - Google Patents
Lamp for general lighting purposes Download PDFInfo
- Publication number
- EP1564787A2 EP1564787A2 EP20050001890 EP05001890A EP1564787A2 EP 1564787 A2 EP1564787 A2 EP 1564787A2 EP 20050001890 EP20050001890 EP 20050001890 EP 05001890 A EP05001890 A EP 05001890A EP 1564787 A2 EP1564787 A2 EP 1564787A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- shield
- spring tabs
- lamp according
- spring
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/10—Combinations of only two kinds of elements the elements being reflectors and screens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
- F21S41/435—Hoods or cap-shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/168—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being resilient rings acting substantially isotropically, e.g. split rings
Definitions
- the invention relates to a lamp for general Lighting purposes with a pedestal having Reflector and with a translucent cover, the both forming an internal cavity along their Circumference is interconnected, with a substantially arranged coaxially in the cavity and mounted in the base Burner and with a burner surrounding it, by means of cement In the base attachable shield.
- HID reflector lamp of this type (DE 102 33 073), in which to avoid Sodium losses and in a possible explosion of the Burner to protect against its fragments a shield is provided, wherein the return line for the supply current of the Burner runs outside the shield so they do not exposed to the direct UV radiation of the burner.
- An anti-glare cap is not provided, it must if necessary externally attached, d. H. handy to the light, in this lamp is used.
- a halogen reflector lamp is known (Hi-Spot ES11; "Hi-Spot” is a registered trademark of the Applicant), which already has an internal anti-glare cap from lateral mounts, on the one hand on the anti-glare cap and on the other hand between reflector and cover are attached, held.
- Hi-Spot ES11 "Hi-Spot” is a registered trademark of the Applicant
- this construction is for an elaborate and the other unfavorable, as the Beam path in the reflector and the optics or the aesthetic appearance of the lamp from the side Brackets are disturbed. Also, the optical efficiency reduced by the lateral brackets.
- the anti-glare cap even directly on the existing glass cover or lens of a lamp mounted by going to their Fixing a hole in this cover or lens drills what However, the glass strength is reduced, so that the lamp is not more than safe and reliable enough.
- the object underlying the invention is therein seen to provide a lamp of the type mentioned, which also, as the second mentioned above Design, has an internal anti-glare cap, but one Holder of this anti-glare cap which neither Optical path still bothers optics, especially aesthetically or Appears attractive and better optical efficiency has.
- This object is achieved in that between the cover-side end portion of the shield and the anti - glare cap for holding the anti - glare cap on the Shielding a clamping element is arranged, which on the one hand on the shield and on the other hand at the Anti-glare cap attacks.
- the clamping element is preferably a ring with radially inner circumferentially spaced apart first Spring elements for its support at the end of the Shielding and with radially outer second spring elements for Bracket of the anti-glare cap.
- the clamping element as a blank initially made of a heat-resistant resilient Flat material, for. B. spring steel, punched out.
- the first spring elements are useful substantially in the first of the plane of the ring towards the middle of the ring Spring tabs and shaped so that they on the Cover-side end portion of the shield under tension can be pushed and thereby the ring attached to this is. It is especially in the presence of a Shielding with cover side open end of the arrangement suitably made so that the ring around a radial Distance from the end portion of the shield, which of the spaced apart in the circumferential direction of the ring spring tabs is bridged, such that between the shield and ring at least one passage for the return of electricity is guaranteed.
- the formation of the first spring elements by a first turn each of an intermediate section of the first spring tabs out of the plane of the ring and in the radial distance from this in the axial direction, this being first turning of the intermediate portion substantially in one Direction parallel to the longitudinal axis of the ring, and by a second turn each of an end portion the intermediate portions radially inwardly and substantially parallel to the ring's plane.
- the second spring elements are essentially from radially outer edge of the ring protruding and also substantially axially to the intermediate portions of the first Spring tabs extending second spring tabs.
- the second Spring tabs axially opposite to the first spring tabs arranged.
- the shield is expediently circular in cross-section and In a preferred embodiment, a to Pedestal towards tapered frustoconical section and extending towards the cover hollow cylindrical section on. Because its anchoring in the pedestal with the smallest diameter of the truncated cone in the diameter takes place, the reflector surface remains as large as possible, d. H. of the Blind spot or the breakthrough by the reflector can stay very small, which increases the optical efficiency. On the other hand could be a continuous cylindrical shield, the would also be usable and easier and less expensive can be produced, optionally when using an im Diameter especially small burner application.
- the hollow cylindrical section has in the wall of his free end an increase in diameter or a Diameter reduction as a rest, about which during assembly the first spring elements elastically yielding sliding and on which are the same aufschnappbar, such that a kind Anchoring on the ring can take place.
- Diameter enlargement provided as a relatively short is formed hollow-frustum-shaped widening, at whose Edge the first spring tabs with their end sections can be applied are.
- the anti-glare cap is on the clamping element in such a way slidable, that the second spring tabs under tension the inner surface of the visor cap can be applied.
- the Outer diameter of the ring is slightly smaller than this the diameter of the inner surface of the anti-glare cap formed while the second spring tabs slightly are placed obliquely radially outward and only at Slide the anti-glare cap radially inward and Apply parallel to the inner surface of the anti-glare cap.
- the preferably a hollow cylindrical section and a towards the cover to it subsequent hollow conical section having Blendschutzkappe has at a distance from the free edge of her hollow cylindrical section as an inner collar Aufschiebbegrenzung or stop on which when pushing the ring with its radially outer peripheral region can be applied is while at the between the edge and the stop existing, the inner surface associated collar surface of Inner collar the outer surfaces of the second spring tabs can be applied are.
- the conical section of the anti-glare cap is appropriate of three each about 120 degrees in the circumferential direction broken staggered cutouts, the Each separated by narrow webs, so that heat produced at the burner end as far as possible or can be removed.
- the use is also a closed anti-glare cap possible, so that no direct light is emitted to the front.
- the embodiment represented by the drawings of the Lamp 1 according to the invention has, as specifically from FIGS. 1 4, one having a base 2 Reflector 3 with a cover 4, the z. B. be a lens can, both of which form a cavity 5 along its Circumference 6 are interconnected.
- the z. B. be a lens can both of which form a cavity 5 along its Circumference 6 are interconnected.
- a socket-side Supply line 7 (Fig. 2)
- a cover-side return line 8 for electric current in base 2 mounted burner 9 intended.
- a surrounding the burner 9, by means of cement 10 in the base 2 attachable shield 11th present, which in this case is open on the cover side.
- a glare cap 13 and the Holding the same on the shield 11 a between the cover-side end portion 12 of the shield 11 and the Anti-glare cap 13 provided clamping element 14 available which on the one hand to the shield 11 and on the other the anti-glare cap 13 is attached.
- this is Clamping element 14 (FIGS. 5 to 8) has a ring 16 with radially inner, spaced apart first spring elements 17 for his Holder on the end portion 12 of the shield 11 and with radial outer, spaced-apart second spring elements 18th for holding the anti-glare cap 13.
- the first spring elements 17 are substantially in the plane of the ring 16 to the ring center projecting first spring tabs 19 and shaped so that they on the cover side End portion 12 of the shield 11 can be pushed under tension and thereby the ring 16 is attachable to this.
- the ring 16 has all around a distance R from the end portion 12th the shield 11, of the circumferentially of the Bridged 16 spaced first spring tabs 19, such that between the shield 11 and ring 16 at least one Passage 36 is ensured for the return line 8.
- the shaping of the first spring elements 17 takes place a first turn each of an intermediate portion 20 of the first spring tabs 19 out of the plane of the ring 16 and out at a radial distance from it in the axial direction (see Longitudinal axis 21 in Figs. 6 and 7), thus in one direction parallel to the longitudinal axis 21 of the ring 16, and by a second turn each of an end portion 22 of the Intermediate portions 20 radially inwardly and substantially parallel to the plane of the ring 16.
- the second spring elements 18 are essentially of the radial outer edge 23 of the ring 16 protruding and im essentially axially opposite to the intermediate sections 20 of the first spring tabs 19 extending second spring tabs 24th
- three are in order 120 degrees along the inner circumference 25 of the ring 16 staggered first spring tabs 19 and four order each 90 degrees along the outer edge 23 of the ring 16th offset from each other second spring tabs 24 are provided.
- Shield 11 is circular in this embodiment and has a tapering towards the base 2 hollow frustoconical portion 26 and a in Direction to the cover 4 to extend hollow cylindrical section 27 on. Since the shield 11 off a one-piece cylinder tube and by means of plastic Deformation of the glass material of the hollow truncated cone Section 26 forming area in the corresponding heated Condition is produced, occurs while a continuous increasing thickening of the wall thickness towards the im Cement inlaid tapered end of section 26 to take place, as can be seen in particular from FIGS. 9 to 13.
- the hollow cylindrical portion 27 has in the Wall of his free end (edge 29) a Diameter enlargement or a diameter reduction than Rest, on which the first spring tabs 19 during assembly the clamping member 13 elastically yielding sliding and on which are alsschnappbar the same, the return line 8 between each two first spring tabs 19 through from open end of the shield 11 is guided to the base 2.
- Diameter enlargement provided as a relatively short hollow frustoconical expansion 28 ( Figures 9 and 10) is formed, at the edge 29, the first spring tabs 19th 22 can be applied with their end portions. It follows that the width of the widening 28 of the extension of Intermediate sections 20 corresponds.
- the anti-glare cap 13 is on the clamping element 14th pushed, such that the second spring tabs 24 under Stress on the inner surface 39 of the anti-glare cap 13 can be applied.
- the one hollow cylindrical section 30 and one in the direction on the cover 4 to follow it hollow conical section 31 having anti-glare cap 13th has at a distance from the free edge 32 of its hollow cylindrical Section 30 adjacent an inner waistband as Aufschiebbegrenzung or stop 37, at which at Sliding the ring 16 with its radially outer Circumferential area can be applied while at the between the edge 32 and the stop 37 existing, the inner surface 29th associated collar surface 38 of the inner collar the outer surfaces the second spring tabs 24 can be applied.
- the hollow cone-shaped portion 31 is here three of each offset by about 120 degrees in the circumferential direction against each other Cutouts 34 broken through, each by relatively narrow webs 35 are separated from each other.
- a two-ended Burner in the form of a discharge lamp, one HID (High Intensity Discharge) lamp used. It will, however emphasizes that within the scope of the invention z. B. Halogen lamps can be used as a burner, both may be one-ended as well as double-ended, so that optionally also a cover closed shielding use could find. Apart from that, there are also burners in shape single-ended discharge lamps that also use to let.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Luminescent Compositions (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Description
Die Erfindung betrifft eine Lampe für allgemeine Beleuchtungszwecke mit einem einen Sockel aufweisenden Reflektor und mit einer lichtdurchlässigen Abdeckscheibe, die beide unter Bildung eines inneren Hohlraums längs ihres Umfangs miteinander verbunden sind, mit einem im wesentlichen koaxial im Hohlraum angeordneten und im Sockel montierten Brenner und mit einer den Brenner umgebenden, mittels Zements im Sockel befestigbaren Abschirmung.The invention relates to a lamp for general Lighting purposes with a pedestal having Reflector and with a translucent cover, the both forming an internal cavity along their Circumference is interconnected, with a substantially arranged coaxially in the cavity and mounted in the base Burner and with a burner surrounding it, by means of cement In the base attachable shield.
Es ist eine HID-Reflektorlampe dieser Bauart bekannt (DE 102 33 073), bei welcher zur Vermeidung von Natriumverlusten und bei einer möglichen Explosion des Brenners zum Schutz vor dessen Bruchstücken eine Abschirmung vorgesehen ist, wobei die Rückleitung für den Speisestrom des Brenners außerhalb der Abschirmung verläuft, damit sie nicht der unmittelbaren UV-Strahlung des Brenners ausgesetzt ist. Eine Blendschutzkappe ist nicht vorgesehen, sie muß bei Bedarf extern angebracht werden, d. h. praktisch an der Leuchte, in der diese Lampe verwendet wird.There is known a HID reflector lamp of this type (DE 102 33 073), in which to avoid Sodium losses and in a possible explosion of the Burner to protect against its fragments a shield is provided, wherein the return line for the supply current of the Burner runs outside the shield so they do not exposed to the direct UV radiation of the burner. An anti-glare cap is not provided, it must if necessary externally attached, d. H. handy to the light, in this lamp is used.
Ferner ist eine Halogen-Reflektorlampe bekannt (Hi-Spot ES11; "Hi-Spot" ist eine eingetragene Marke der Anmelderin), die bereits eine interne Blendschutzkappe aufweist, die von seitlichen Halterungen, die einerseits an der Blendschutzkappe und andererseits zwischen Reflektor und Abdeckscheibe befestigt sind, gehalten ist. Diese Bauweise ist jedoch zum einen aufwendig und zum anderen insofern ungünstig, als der Strahlengang im Reflektor und die Optik bzw. die ästhetische Erscheinung der Lampe von den seitlichen Halterungen gestört werden. Auch wird die optische Effizienz durch die seitlichen Halterungen gemindert.Furthermore, a halogen reflector lamp is known (Hi-Spot ES11; "Hi-Spot" is a registered trademark of the Applicant), which already has an internal anti-glare cap from lateral mounts, on the one hand on the anti-glare cap and on the other hand between reflector and cover are attached, held. However, this construction is for an elaborate and the other unfavorable, as the Beam path in the reflector and the optics or the aesthetic appearance of the lamp from the side Brackets are disturbed. Also, the optical efficiency reduced by the lateral brackets.
Bei einer weiteren bekannten Bauform wird die Blendschutzkappe auch schon unmittelbar auf die aus Glas bestehende Abdeckung bzw. Linse einer Lampe montiert, indem man zu ihrer Befestigung ein Loch in diese Abdeckung bzw. Linse bohrt, was jedoch die Glasfestigkeit verringert, so daß die Lampe nicht mehr als sicher und zuverlässig genug angesehen werden kann.In another known design, the anti-glare cap even directly on the existing glass cover or lens of a lamp mounted by going to their Fixing a hole in this cover or lens drills what However, the glass strength is reduced, so that the lamp is not more than safe and reliable enough.
Die der Erfindung zugrunde liegende Aufgabe wird darin gesehen, eine Lampe der eingangs erwähnten Bauart zu schaffen, die ebenfalls, wie die oben an zweiter Stelle genannte Bauform, eine interne Blendschutzkappe besitzt, jedoch eine Halterung dieser Blendschutzkappe aufweist, die weder Strahlengang noch Optik stört, besonders ästhetisch bzw. ansprechend aussieht und eine bessere optische Effizienz besitzt.The object underlying the invention is therein seen to provide a lamp of the type mentioned, which also, as the second mentioned above Design, has an internal anti-glare cap, but one Holder of this anti-glare cap which neither Optical path still bothers optics, especially aesthetically or Appears attractive and better optical efficiency has.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass zwischen dem abdeckungseitigen Endbereich der Abschirmung und der Blendschutzkappe zur Halterung der Blendschutzkappe an der Abschirmung ein Klemmelement angeordnet ist, welches einerseits an der Abschirmung und andererseits an der Blendschutzkappe angreift.This object is achieved in that between the cover-side end portion of the shield and the anti - glare cap for holding the anti - glare cap on the Shielding a clamping element is arranged, which on the one hand on the shield and on the other hand at the Anti-glare cap attacks.
Das Klemmelement ist vorzugsweise ein Ring mit radial inneren in Umfangsrichtung voneinander beabstandeten ersten Federelementen für seine Halterung am Endbereich der Abschirmung und mit radial äußeren zweiten Federelementen zur Halterung der Blendschutzkappe. Dabei kann das Klemmelement als Rohling zunächst aus einem wärmefesten federnden Flachmaterial, z. B. aus Federstahl, ausgestanzt sein.The clamping element is preferably a ring with radially inner circumferentially spaced apart first Spring elements for its support at the end of the Shielding and with radially outer second spring elements for Bracket of the anti-glare cap. In this case, the clamping element as a blank initially made of a heat-resistant resilient Flat material, for. B. spring steel, punched out.
Die ersten Federelemente sind zweckmäßig im wesentlichen in der Ebene des Rings zur Ringmitte hin vorstehende erste Federlaschen und derart geformt, dass sie auf den abdeckungsseitigen Endbereich der Abschirmung unter Spannung aufschiebbar sind und dadurch der Ring an diesem befestigbar ist. Dabei ist insbesondere bei Vorhandensein einer Abschirmung mit abdeckungsseitig offenem Ende die Anordnung zweckmäßig so getroffen, daß der Ring rundum einen radialen Abstand von dem Endbereich der Abschirmung aufweist, der von den in Umfangsrichtung des Rings beabstandeten Federlaschen überbrückt ist, derart, daß zwischen Abschirmung und Ring mindestens ein Durchtritt für die Stromrückleitung gewährleistet ist.The first spring elements are useful substantially in the first of the plane of the ring towards the middle of the ring Spring tabs and shaped so that they on the Cover-side end portion of the shield under tension can be pushed and thereby the ring attached to this is. It is especially in the presence of a Shielding with cover side open end of the arrangement suitably made so that the ring around a radial Distance from the end portion of the shield, which of the spaced apart in the circumferential direction of the ring spring tabs is bridged, such that between the shield and ring at least one passage for the return of electricity is guaranteed.
Vorzugsweise erfolgt die Formung der ersten Federelemente durch ein erstes Abbiegen jeweils eines Zwischenabschnitts der ersten Federlaschen aus der Ebene des Rings heraus und im radialen Abstand von diesem in axialer Richtung, wobei dieses erste Abbiegen des Zwischenabschnitts im wesentlichen in einer Richtung parallel zur Längsachse des Rings stattgefunden hat, sowie durch ein zweites Abbiegen jeweils eines Endabschnitts der Zwischenabschnitte radial nach innen und im wesentlichen parallel zu Ebene des Rings.Preferably, the formation of the first spring elements by a first turn each of an intermediate section of the first spring tabs out of the plane of the ring and in the radial distance from this in the axial direction, this being first turning of the intermediate portion substantially in one Direction parallel to the longitudinal axis of the ring, and by a second turn each of an end portion the intermediate portions radially inwardly and substantially parallel to the ring's plane.
Zweckmäßig sind die zweiten Federelemente im wesentlichen vom radial äußeren Rand des Rings vorstehende und sich ebenfalls im wesentlichen axial zu den Zwischenabschnitten der ersten Federlaschen erstreckende zweite Federlaschen. Bei einer bevorzugten Ausführungsform sind dabei die zweiten Federlaschen axial entgegengesetzt zu den ersten Federlaschen angeordnet.Suitably, the second spring elements are essentially from radially outer edge of the ring protruding and also substantially axially to the intermediate portions of the first Spring tabs extending second spring tabs. At a preferred embodiment are the second Spring tabs axially opposite to the first spring tabs arranged.
Bei einer Ausführungsform, die sich bereits in der Praxis bewährt hat, sind drei jeweils um 120 Grad längs desIn one embodiment, already in practice have proven three, each 120 degrees along the
Innenumfangs gegeneinander versetzte erste Federlaschen und vier jeweils um 90 Grad längs des Außenumfangs des Rings gegeneinander versetzte zweite Federlaschen vorgesehen. Dabei versteht es sich, daß auch hiervon abweichende Anzahlen von Federlaschen vorgesehen werden können, solange nur eine einwandfreie Zentrierung der Blendschutzkappe auf dem offenen Ende der Abschirmung gewährleistet werden kann.Inner circumference staggered first spring tabs and four each 90 degrees along the outer circumference of the ring provided offset from each other second spring tabs. there it is understood that even deviating numbers of Spring clips can be provided as long as only one perfect centering of the anti-glare cap on the open End of the shield can be guaranteed.
Die Abschirmung ist zweckmäßig kreisförmig im Querschnitt und weist bei einer bevorzugten Ausführungsform einen sich zum Sockel hin verjüngenden kegelstumpfförmigen Abschnitt und einen sich in Richtung auf die Abdeckung zu erstreckenden hohlzylindrischen Abschnitt auf. Da ihre Verankerung im Sockel mit dem im Durchmesser kleinsten Bereich des Kegelstumpfs erfolgt, bleibt die Reflektorfläche möglichst groß, d. h. der blinde Fleck bzw. der Durchbruch durch den Reflektor kann besonders klein bleiben, was die optische Effizienz erhöht. Hingegen könnte eine durchgehend zylindrische Abschirmung, die gleichfalls verwendbar wäre und einfacher und unaufwendiger herstellbar ist, gegebenenfalls bei Verwendung eines im Durchmesser besonders kleinen Brenners Anwendung finden.The shield is expediently circular in cross-section and In a preferred embodiment, a to Pedestal towards tapered frustoconical section and extending towards the cover hollow cylindrical section on. Because its anchoring in the pedestal with the smallest diameter of the truncated cone in the diameter takes place, the reflector surface remains as large as possible, d. H. of the Blind spot or the breakthrough by the reflector can stay very small, which increases the optical efficiency. On the other hand could be a continuous cylindrical shield, the would also be usable and easier and less expensive can be produced, optionally when using an im Diameter especially small burner application.
Der hohlzylindrische Abschnitt besitzt in der Wandung seines freien Endes eine Durchmesservergrößerung oder eine Durchmesserverkleinerung als Rast, über welche bei der Montage die ersten Federelemente elastisch nachgebend gleitbar und auf welcher dieselben aufschnappbar sind, derart, daß eine Art Verankerung am Ring stattfinden kann.The hollow cylindrical section has in the wall of his free end an increase in diameter or a Diameter reduction as a rest, about which during assembly the first spring elements elastically yielding sliding and on which are the same aufschnappbar, such that a kind Anchoring on the ring can take place.
Bei einer bevorzugten Ausführungsform ist eine Durchmesservergrößerung vorgesehen, die als eine relativ kurze hohlkegelstumpfförmige Aufweitung ausgebildet ist, an deren Rand die ersten Federlaschen mit ihren Endabschnitten anlegbar sind.In a preferred embodiment is a Diameter enlargement provided as a relatively short is formed hollow-frustum-shaped widening, at whose Edge the first spring tabs with their end sections can be applied are.
Die Anordnung ist dabei so getroffen, daß die Zwischenabschnitte nicht exakt parallel zur Längsachse des Rings verlaufen sondern dem kleinen spitzen Winkel der kegelförmigen Aufweitung mit der Längsachse der Abschirmung entsprechend ein wenig radial nach außen aufgebogen sind, derart, daß die Zwischenabschnitte nach dem Aufschieben desThe arrangement is made such that the Intermediate sections not exactly parallel to the longitudinal axis of the Run around the small acute angle of the ring conical expansion with the longitudinal axis of the shield are bent up a little radially outward accordingly, such that the intermediate portions after the postponement of
Klemmelements auf die Aufweitung, und zwar unter federnder Auslenkung der ersten Federlaschen aus der Ebene des Rings heraus, nach dem Zurückfedern der Federlaschen sich an die Außenfläche der Aufweitung, diese sozusagen hintergreifend, anlegen können und eine Verankerung des Klemmelements am Endbereich der Abschirmung bewirken.Clamping elements on the expansion, under springing Deflection of the first spring tabs from the plane of the ring out, after the spring back springs back to the Outer surface of the expansion, trailing it, so to speak, and anchoring the clause on the Cause end of the shield.
Die Blendschutzkappe ist auf das Klemmelement derart aufschiebbar, dass die zweiten Federlaschen unter Spannung an der Innenfläche der Blendschutzkappe anlegbar sind. Der Außendurchmesser des Rings ist hierfür geringfügig kleiner als der Durchmesser der Innenfläche der Blendschutzkappe ausgebildet, während die zweiten Federlaschen geringfügig schräg nach radial außen gestellt sind und erst beim Aufschieben der Blendschutzkappe radial nach innen federn und sich parallel an der Innenfläche der Blendschutzkappe anlegen. The anti-glare cap is on the clamping element in such a way slidable, that the second spring tabs under tension the inner surface of the visor cap can be applied. Of the Outer diameter of the ring is slightly smaller than this the diameter of the inner surface of the anti-glare cap formed while the second spring tabs slightly are placed obliquely radially outward and only at Slide the anti-glare cap radially inward and Apply parallel to the inner surface of the anti-glare cap.
Die vorzugsweise einen hohlzylindrischen Abschnitt und einen sich in Richtung auf die Abdeckung zu sich daran anschließenden hohlkegelförmigen Abschnitt aufweisende Blendschutzkappe besitzt in Abstand vom freien Rand ihres hohlzylindrischen Abschnitts einen Innenbund als Aufschiebbegrenzung bzw. Anschlag, an welchem beim Aufschieben der Ring mit seinem radial äußeren Umfangsbereich anlegbar ist, während an der zwischen dem Rand und dem Anschlag vorhandenen, der Innenfläche zugeordneten Bundfläche des Innenbundes die Außenflächen der zweiten Federlaschen anlegbar sind.The preferably a hollow cylindrical section and a towards the cover to it subsequent hollow conical section having Blendschutzkappe has at a distance from the free edge of her hollow cylindrical section as an inner collar Aufschiebbegrenzung or stop on which when pushing the ring with its radially outer peripheral region can be applied is while at the between the edge and the stop existing, the inner surface associated collar surface of Inner collar the outer surfaces of the second spring tabs can be applied are.
Der kegelförmige Abschnitt der Blendschutzkappe ist zweckmäßig von drei jeweils um ca. 120 Grad in Umfangsrichtung gegeneinander versetzten Ausschnitten durchbrochen, die jeweils durch schmale Stege voneinander getrennt sind, sodaß am Brennerende entstehende Wärme möglichst abgestrahlt bzw. abtransportiert werden kann. Jedoch ist auch die Verwendung einer geschlossenen Blendschutzkappe möglich, sodaß kein direktes Licht nach vorne abgestrahlt wird.The conical section of the anti-glare cap is appropriate of three each about 120 degrees in the circumferential direction broken staggered cutouts, the Each separated by narrow webs, so that heat produced at the burner end as far as possible or can be removed. However, the use is also a closed anti-glare cap possible, so that no direct light is emitted to the front.
Die Erfindung und ihre vorteilhaften Ausgestaltungen sind im folgenden anhand der beigefügten Zeichnungen näher erläutert.The invention and its advantageous embodiments are in following explained in more detail with reference to the accompanying drawings.
Es zeigt:
Die durch die Zeichnungen repräsentierte Ausführungsform der
erfindungsgemäßen Lampe 1 besitzt, wie speziell aus den Fig. 1
bis 4 zu entnehmen ist, einen einen Sockel 2 aufweisenden
Reflektor 3 mit einer Abdeckung 4, die z. B. eine Linse sein
kann, welche beide unter Bildung eines Hohlraums 5 längs ihres
Umfangs 6 miteinander verbunden sind. Bei dieser
Ausführungsform ist ein zweiendiger, im wesentlichen koaxial
im Hohlraum 5 angeordneter und mittels einer sockelseitigen
Zuleitung 7 (Fig. 2) und einer abdeckungsseitigen Rückleitung
8 für elektrischen Strom im Sockel 2 montierter Brenner 9
vorgesehen. Ferner ist eine den Brenner 9 umgebende,
mittels Zements 10 im Sockel 2 befestigbare Abschirmung 11
vorhanden, die in diesem Fall abdeckseitig offen ist.The embodiment represented by the drawings of the
Erfindungsgemäß sind eine Blendschutzkappe 13 und zur
Halterung derselben an der Abschirmung 11 ein zwischen dem
abdeckungsseitigen Endbereich 12 der Abschirmung 11 und der
Blendschutzkappe 13 vorgesehenes Klemmelement 14 vorhanden,
welches einerseits an der Abschirmung 11 und andererseits an
der Blendschutzkappe 13 angebracht ist.According to the invention, a
Da in diesem Fall die Abschirmung 11 an ihrem
abdeckungsseitigen Ende offen ist, siehe den Rand 15 (Fig. 4),
verläuft die Rückleitung 8 zum Sockel 2 aus diesem offenen
Ende heraus zwischen Klemmelement 14 und Abschirmung 11
hindurch außerhalb der letzteren. In this case, since the
Bei der gezeigten, bevorzugten Ausführungsform ist das
Klemmelement 14 (Fig. 5 bis 8) ein Ring 16 mit radial inneren,
voneinander beabstandeten ersten Federelementen 17 für seine
Halterung am Endbereich 12 der Abschirmung 11 und mit radial
äußeren, voneinander beabstandeten zweiten Federelementen 18
zur Halterung der Blendschutzkappe 13. Dabei lässt sich das
Klemmelement 14 als flacher Rohling (nicht gezeigt) zunächst
aus z. B. Federstahl ausstanzen, bevor es durch Biegen in
seine im folgenden erläuterte Endform gebracht wird.In the illustrated preferred embodiment, this is
Clamping element 14 (FIGS. 5 to 8) has a
Wie besonders deutlich aus den Fig. 5 bis 8 zu entnehmen ist,
sind die ersten Federelemente 17 im wesentlichen in der Ebene
des Rings 16 zur Ringmitte hin vorstehende erste Federlaschen
19 und derart geformt, dass sie auf den abdeckungsseitigen
Endbereich 12 der Abschirmung 11 unter Spannung aufschiebbar
sind und dadurch der Ring 16 an dieser befestigbar ist.As can be seen particularly clearly from FIGS. 5 to 8,
the first spring elements 17 are substantially in the plane
of the
Der Ring 16 weist rundum einen Abstand R von dem Endbereich 12
der Abschirmung 11 auf, der von den in Umfangsrichtung des
Rings 16 beabstandeten ersten Federlaschen 19 überbrückt,
derart, daß zwischen Abschirmung 11 und Ring 16 mindestens ein
Durchtritt 36 für die Rückleitung 8 gewährleistet ist.The
Dabei erfolgt die Formung der ersten Federelemente 17 durch
ein erstes Abbiegen jeweils eines Zwischenabschnitts 20 der
ersten Federlaschen 19 aus der Ebene des Rings 16 heraus und
im radialen Abstand von diesem in axialer Richtung (siehe
Längsachse 21 in den Fig. 6 und 7), somit in einer Richtung
parallel zur Längsachse 21 des Rings 16, sowie durch ein
zweites Abbiegen jeweils eines Endabschnitts 22 der
Zwischenabschnitte 20 radial nach innen und im wesentlichen
parallel zur Ebene des Rings 16. In this case, the shaping of the first spring elements 17 takes place
a first turn each of an
Die zweiten Federelemente 18 sind im wesentlichen vom radial
äußeren Rand 23 des Rings 16 vorstehende und sich im
wesentlichen axial entgegengesetzt zu den Zwischenabschnitten
20 der ersten Federlaschen 19 erstreckende zweite Federlaschen
24.The
Bei der gezeigten, bevorzugten Ausführungsform sind drei um
jeweils 120 Grad längs des Innenumfangs 25 des Rings 16
gegeneinander versetzte erste Federlaschen 19 und vier um
jeweils 90 Grad längs des äußeren Rands 23 des Rings 16
gegeneinander versetzte zweite Federlaschen 24 vorgesehen.In the illustrated preferred embodiment, three are in order
120 degrees along the
Die besonders deutlich aus den Fig. 9 bis 13 zu entnehmende
Abschirmung 11 ist bei dieser Ausführungsform kreisförmig und
weist einen sich zum Sockel 2 hin verjüngenden
hohlkegelstumpfförmigen Abschnitt 26 und einen sich in
Richtung auf die Abdeckung 4 zu erstreckenden
hohlzylindrischen Abschnitt 27 auf. Da die Abschirmung 11 aus
einem einstückigen Zylinderrohr und mittels plastischer
Verformung des Glaswerkstoffs des den hohlkegelstumpfförmigen
Abschnitts 26 bildenden Bereichs im entsprechend aufgeheizten
Zustand hergestellt wird, tritt dabei eine kontinuierlich
zunehmende Verdickung der Wandstärke in Richtung auf das im
Zement eingelagerte verjüngte Ende des Abschnitts 26 zu statt,
wie insbesondere aus den Fig. 9 bis 13 zu entnehmen ist.The particularly clear from Figs. 9 to 13 to be taken
Vorteilhaft besitzt der hohlzylindrische Abschnitt 27 in der
Wandung seines freien Endes (Rand 29) eine
Durchmesservergrößerung oder eine Durchmesserverkleinerung als
Rast, über welche bei der Montage die ersten Federlaschen 19
des Klemmelements 13 elastisch nachgebend gleitbar und auf
welcher dieselben aufschnappbar sind, wobei die Rückleitung 8
zwischen jeweils zwei ersten Federlaschen 19 hindurch vom
offenen Ende der Abschirmung 11 zum Sockel 2 geführt ist.Advantageously, the hollow
Bei der gezeigten, bevorzugten Ausführungsform ist eine
Durchmesservergrößerung vorgesehen, die als eine relativ kurze
hohlkegelstumpfförmige Aufweitung 28 (Fig. 9 und 10)
ausgebildet ist, an deren Rand 29 die ersten Federlaschen 19
mit ihren Endabschnitten 22 anlegbar sind. Daraus folgt, dass
die Breite der Aufweitung 28 der Erstreckung der
Zwischenabschnitte 20 entspricht.In the illustrated preferred embodiment is a
Diameter enlargement provided as a relatively short
hollow frustoconical expansion 28 (Figures 9 and 10)
is formed, at the
Die Blendschutzkappe 13 ist auf das Klemmelement 14
aufschiebbar, derart, dass die zweiten Federlaschen 24 unter
Spannung an der Innenfläche 39 der Blendschutzkappe 13
anlegbar ist.The
Die einen hohlzylindrischen Abschnitt 30 und einen in Richtung
auf die Abdeckung 4 zu sich daran anschließenden
hohlkegelförmigen Abschnitt 31 aufweisende Blendschutzkappe 13
besitzt in Abstand vom freien Rand 32 ihres hohlzylindrischen
Abschnitts 30 angrenzend einen Innenbund als
Aufschiebbegrenzung bzw. Anschlag 37, an welchem beim
Aufschieben der Ring 16 mit seinem radial äußeren
Umfangsbereich anlegbar ist, während an der zwischen dem Rand
32 und dem Anschlag 37 vorhandenen, der Innenfläche 29
zugeordneten Bundfläche 38 des Innenbundes die Außenflächen
der zweiten Federlaschen 24 anlegbar sind.The one hollow
Der hohlkegelförmige Abschnitt 31 wird hier von drei jeweils
um ca. 120 Grad in Umfangsrichtung gegeneinander versetzten
Ausschnitten 34 durchbrochen, die jeweils durch
verhältnismäßig schmale Stege 35 voneinander getrennt sind.The hollow cone-shaped
Bei der vorbeschriebenen Ausführungsform wird ein zweiendiger Brenner in Form einer Entladungslampe, und zwar einer HID(High-Intensity-Discharge)-Lampe verwendet. Es wird jedoch betont, daß sich im Rahmen der Erfindung auch z. B. Halogenlampen als Brenner verwenden lassen, die sowohl einendig als auch zweiendig sein können, so daß gegebenenfalls auch eine abdeckseitig geschlossene Abschirmung Verwendung finden könnte. Abgesehen davon gibt es auch Brenner in Form einendiger Entladungslampen, die sich ebenfalls verwenden lassen.In the above embodiment, a two-ended Burner in the form of a discharge lamp, one HID (High Intensity Discharge) lamp used. It will, however emphasizes that within the scope of the invention z. B. Halogen lamps can be used as a burner, both may be one-ended as well as double-ended, so that optionally also a cover closed shielding use could find. Apart from that, there are also burners in shape single-ended discharge lamps that also use to let.
Claims (14)
gekennzeichnet durch
eine Blendachutzkappe (13) und ein zwischen dem abdeckungseitigen Endbereich (12) der Abschirmung (11) und der Blendschutzkappe (13) zur Halterung derselben an der Abschirmung (11) vorgesehenes Klemmelement (14), welches einerseits an der Abschirmung (11) und andererseits an der Blendschutzkappe (13) angebracht ist.A lamp (1) for general lighting purposes, comprising a reflector (3) having a pedestal (2) and a cover (4), both of which are interconnected to form an internal cavity (5) along its periphery (6) substantially arranged coaxially in the cavity (5) and in the base (2) mounted burner (9) and with a burner (9) surrounding, by means of cement (10) in the base (2) attachable shield (11),
marked by
a glare hood (13) and a between the cover-side end portion (12) of the shield (11) and the anti-glare cap (13) for holding the same on the shield (11) provided clamping element (14), on the one hand to the shield (11) and on the other attached to the anti-glare cap (13).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410004651 DE102004004651B3 (en) | 2004-01-29 | 2004-01-29 | Lamp for general lighting purposes |
DE102004004651 | 2004-01-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1564787A2 true EP1564787A2 (en) | 2005-08-17 |
EP1564787A3 EP1564787A3 (en) | 2008-01-30 |
EP1564787B1 EP1564787B1 (en) | 2010-03-24 |
Family
ID=34683965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050001890 Not-in-force EP1564787B1 (en) | 2004-01-29 | 2005-01-31 | Lamp for general lighting purposes |
Country Status (4)
Country | Link |
---|---|
US (1) | US7195376B2 (en) |
EP (1) | EP1564787B1 (en) |
AT (1) | ATE462197T1 (en) |
DE (2) | DE102004004651B3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201116753A (en) | 2009-09-30 | 2011-05-16 | Ceram Tec Gmbh | Lamp having a variable substrate as a base for a light source |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10233073B3 (en) | 2002-07-19 | 2004-02-12 | Sli Lichtsysteme Gmbh | reflector lamp |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB536765A (en) * | 1940-10-18 | 1941-05-27 | William Hughes | Improvements in anti-glare devices for reflector lamps |
GB563533A (en) * | 1943-01-06 | 1944-08-18 | William Hughes | Improved fitting of an anti-glare device for reflector lamps |
DE8219740U1 (en) * | 1982-07-09 | 1983-12-22 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | REFLECTOR LAMP, CONSISTING OF REFLECTOR AND HALOGEN BULB |
DE8310535U1 (en) * | 1983-04-11 | 1983-09-08 | Comind S.p.A., Robassomero, Torino | MOTOR VEHICLE HEADLIGHT WITH VISOR |
IT8553633V0 (en) * | 1985-07-25 | 1985-07-25 | Carello Ind Spa | HEADLIGHT PARTICULARLY FOR MOTOR VEHICLES WITH REMOVABLE DARKENING DEVICE |
DE3540130C1 (en) * | 1985-11-13 | 1987-04-02 | Hella Kg Hueck & Co | Headlights for motor vehicles |
US4747029A (en) * | 1986-11-13 | 1988-05-24 | General Motors Corporation | Headlamp assembly |
US4987343A (en) * | 1988-10-03 | 1991-01-22 | General Electric Company | Vehicle headlamp |
DE3837511A1 (en) * | 1988-11-04 | 1990-05-10 | Philips Patentverwaltung | MOTOR VEHICLE HEADLAMP LAMP AND METHOD FOR THEIR PRODUCTION |
JP3159078B2 (en) * | 1996-08-30 | 2001-04-23 | 株式会社デンソー | High pressure discharge lamp device |
US5993035A (en) * | 1998-03-09 | 1999-11-30 | Trans Technology Engineered Components, Llc | Combined light shield and heat shield for headlight |
DE19831852A1 (en) * | 1998-07-16 | 2000-01-20 | Hella Kg Hueck & Co | Vehicle headlights |
-
2004
- 2004-01-29 DE DE200410004651 patent/DE102004004651B3/en not_active Expired - Fee Related
-
2005
- 2005-01-31 AT AT05001890T patent/ATE462197T1/en not_active IP Right Cessation
- 2005-01-31 DE DE200550009263 patent/DE502005009263D1/en active Active
- 2005-01-31 US US11/047,426 patent/US7195376B2/en not_active Expired - Fee Related
- 2005-01-31 EP EP20050001890 patent/EP1564787B1/en not_active Not-in-force
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10233073B3 (en) | 2002-07-19 | 2004-02-12 | Sli Lichtsysteme Gmbh | reflector lamp |
Also Published As
Publication number | Publication date |
---|---|
EP1564787A3 (en) | 2008-01-30 |
EP1564787B1 (en) | 2010-03-24 |
US20050281035A1 (en) | 2005-12-22 |
US7195376B2 (en) | 2007-03-27 |
DE502005009263D1 (en) | 2010-05-06 |
ATE462197T1 (en) | 2010-04-15 |
DE102004004651B3 (en) | 2005-12-01 |
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