EP0856870A1 - Radiateur optique - Google Patents

Radiateur optique Download PDF

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Publication number
EP0856870A1
EP0856870A1 EP97120582A EP97120582A EP0856870A1 EP 0856870 A1 EP0856870 A1 EP 0856870A1 EP 97120582 A EP97120582 A EP 97120582A EP 97120582 A EP97120582 A EP 97120582A EP 0856870 A1 EP0856870 A1 EP 0856870A1
Authority
EP
European Patent Office
Prior art keywords
bracket
base
pin
optical radiator
lamp bulb
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
Application number
EP97120582A
Other languages
German (de)
English (en)
Other versions
EP0856870B1 (fr
Inventor
Bernd Ullrich
Klaus Spitzenberg
Michael Sander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heraeus Noblelight GmbH
Original Assignee
Heraeus Noblelight GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heraeus Noblelight GmbH filed Critical Heraeus Noblelight GmbH
Publication of EP0856870A1 publication Critical patent/EP0856870A1/fr
Application granted granted Critical
Publication of EP0856870B1 publication Critical patent/EP0856870B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr

Definitions

  • the invention relates to an optical radiator, in particular for ultraviolet or for infrared Radiation, with a lamp bulb, from which at least two connecting wires for the electrical Connection via a pinch at the upper and lower end of the lamp bulb are led out, the first connecting wire via a rigid mounting bracket with a first connecting pin and the second connecting wire via a metallic contact element are electrically conductively connected to a second pin, the pins each protrude from a hole in a ceramic base.
  • the invention relates to optical radiators, such as those used as heat radiators or as a UV lamp for tanning, disinfection, treatment of surfaces or for the Drying and curing of thin layers can be used. Because of high performance the UV or IR emitters generate relatively high temperatures, so that they go hand in hand Thermal expansion and temperature loads in the design and the material selection of the spotlights play an important role. Optical spotlights for visible Light that are operated with low power densities are not the subject of Invention.
  • An optical radiator of the type mentioned is described in DE-A1 32 36 462. It is a single-sided high-pressure discharge lamp in which two electrodes face each other within a lamp bulb. The lamp bulb is sealed on both sides by crushing, the connecting wires for the electrical connection of the electrodes are led through the bruises to the outside.
  • the area of the base facing the lamp bulb is referred to below as the upper one Base part or as the upper part of the base, the opposite area as the lower base part or lower part of the base.
  • connection wires are connected to metal via current leads Connected sockets, which are riveted in the lower part of the ceramic base and from this - in the direction opposite to the lamp bulb - as a hollow, closed to the outside Protrude pins.
  • the connection pins serve for the electrical connection when inserting the discharge lamp in a suitable socket.
  • Their diameters are usually approx. 3 mm or approx. 2 mm.
  • the power supply line for the electrode further away from the base is in the form of a rigid, start copper ribbon in the form of a bracket by the lamp bulb.
  • the copper tape is on the one hand with the connecting wire of the electrode and on the other hand in one of the hollow connection sockets welded.
  • the copper tape is cemented in the base.
  • the connecting wire facing the base is connected to the second via an angular metal part Connection socket connected.
  • the angular metal part is also in the upper part of the Cemented base.
  • the two base areas are usually by means of one inserted mica platelets spatially separated from each other.
  • the known discharge lamp In the known discharge lamp are a variety of electrical connections Make welded connections. Also cementing the lamp bulb and the electrical Contact parts, such as bow-shaped copper tape and metal part, are complex and required great care. In addition, the known discharge lamp has a relatively high one Base common, so that both a stable mounting of the cemented parts, in particular the lamp bulb as well as a reliable mounting of the connections and components is ensured for the electrical connection. The production of the known discharge lamp is therefore time consuming and costly.
  • the invention has for its object to provide an optical radiator in the a cementation can be dispensed with with comparatively less expenditure of time and money can be produced.
  • This task is based on the radiator described at the outset according to the invention solved in that the bracket and the first pin are integrally formed, and that the first pin on both sides of the first bore of the base with a Slip protection is provided.
  • the holding bracket and one of the bases protruding pins are integrally formed.
  • the connector pin Provide slip protection on both sides of the hole in the base.
  • the bracket fulfills its function with regard to the power supply in that it holds the first Connecting wire of the electrode with the first pin electrically connected.
  • the bracket and the connecting pin are integrally formed, welding or omitted Soldering work to make the electrical connection.
  • the connector pin must be inside not be hollow, such as the pin known from the prior art.
  • the bracket fulfills its function with regard to the holder in that it is designed to be rigid is and that he on the one hand with the base and on the other hand with the upper end of the Lamp bulb is connected.
  • the connection with the base is based on the fact that the bracket and the connector pin are made in one piece, and that the connector pin on the base secured against slipping.
  • the holder of the lamp bulb so completely or essentially taken from the bracket. To cement the lamp bulb can therefore be dispensed with, as well as cementing the bracket. This simplifies the Manufacture of the spotlight and also allows the use of a smaller base, in the simplest case even in the form of a plate with two through holes can be trained. The latter is only an additional advantage of the invention, however does not have to be realized.
  • the radiator according to the invention therefore requires comparatively little effort.
  • the bracket has sufficient bending stiffness in the sense of the invention, if its mechanical stability ensures the handling and operational safety of the spotlight, without cementing the lamp bulb in the base is necessary.
  • a suitable design of the connecting pin or a is under a slip protection understood at the pin engaging component, with which a complete slipping of the Connection pin is prevented by the hole in the base. A game of the pin this does not exclude them within the bore and can compensate for thermal expansion may even be desired.
  • An embodiment of the radiator according to the invention in which the contact element and the second connecting pin are formed in one piece, and in which the second pin on both sides of the second hole in the base with a slip protection is provided.
  • the lamp bulb is in this embodiment between the bracket and held the contact element.
  • Regarding the attachment of the contact element applies what was said above regarding the attachment of the bracket accordingly.
  • the lamp bulb can even completely by means of a bracket and contact element be kept outside the base. In this case the connection points are between the lamp bulb freely accessible, so that more complex welding or soldering work within of the base area are not required.
  • the contact element is often designed in the form of an angle element. Because of that Legs are shorter than the holding bracket are sufficient to achieve sufficient bending stiffness smaller wall thicknesses.
  • the wire thicknesses are in the case of wire-shaped angle elements usually above 1 mm, preferably around 2 mm.
  • clamping components are preferably on the underside of the base provided. It can be, for example, releasable clamping disks or act spring elements. On the opposite side of the hole you can also Clamp components of this type are provided, but there are also anti-slip devices Proven in the form of material deformation.
  • the connector pin Have curvature, a kink or a thickening of material, or it can be crushed be provided, the lateral dimension of which projects beyond the bore.
  • the bracket and the contact element to be provided with a groove-shaped depression which is parallel to the longitudinal axis of the Lamp bulb extending line are arranged to each other, and in which the Connection wires are welded or soldered.
  • the lamp bulb must only with its connecting wires led out of the bruises inserted into the groove-shaped depressions and then welded or to be soldered. For example by spot welding.
  • a retaining bracket has proven itself, which has an average cross-sectional area of at least 3 mm 2 in the longitudinal section that is essential for its bending stiffness — viewed in the direction of its longitudinal axis.
  • the bending stiffness of the bracket is determined not only by the material from which it is made, but also by the size of the surface resistance that counteracts its bending.
  • the length section of the mounting bracket which is essential with regard to the bending stiffness, is the length section which is usually loaded with respect to bending during handling of the radiator, such as when inserting it into a socket, and during its manufacture. It is not necessary for the retaining bracket to have the same cross-sectional area over its entire length.
  • the average cross-sectional area in the case of a plate-shaped retaining bracket with a rectangular cross-section corresponds to the rectangular area, averaged over the length section relevant for the bending stiffness.
  • the average cross-sectional area is calculated from the average wire diameter in the bracket section relevant for the bending stiffness.
  • the mean cross-sectional area of the holding bracket is preferably around 7 mm 2 , in particular in the case of wire-shaped holding brackets with a round cross section. This corresponds to a wire thickness of approximately 3 mm.
  • At least the retaining bracket or at least the contact element is included Game connected to the base.
  • This can cause changes in the length of the lamp bulb be balanced during operation.
  • An axial is sufficient for sufficient play Mobility of one of the contact elements less than a millimeter or even one easy tilting of the respective contact element.
  • the terms "axial mobility” and “tilt” refer to those defined by the longitudinal axis of the lamp bulb Directions.
  • a sufficient game is already achieved, for example, that the hole in the base is a small gap larger than the diameter of the respective Pin.
  • the installation of the spotlight is made easier if the base with at least two opposite one another is provided lateral openings through which the contact element and the lower, second connecting wire is accessible.
  • the openings that are in themselves opposite side walls of the base are provided, one can already be in the base Fixed contact element with the lower connecting wire, for example by resistance welding get connected. It is not necessary for a closed Edge are surrounded; the openings can also have incisions in the base that are open on one side be executed.
  • the handling and manufacture of the radiator according to the invention is additionally simplified, if the bracket is connected to a handle.
  • the well-known discharge lamp is used to establish the electrical connection and to insert it into a socket on the the upper pinch of the lamp bulb.
  • the retaining bracket is used and thereby contamination or damage to the Lamp bulbs can be avoided.
  • a handle connected to the bracket makes it easier this in addition.
  • the handle is usually in the area of the upper part of the Lamp bulb formed. It can be designed as part of the bracket.
  • the reference number 1 is assigned to a lamp bulb which is sealed in a vacuum-tight manner with an upper pinch seal 2 and with a lower pinch seal 3. From the bruises 2; 3 are connecting wires 4 for the electrical connection of the electrodes of the discharge lamp (not shown in the figure); 5 led out.
  • the lamp bulb 1 is held between a bracket 6 and a bracket 7.
  • the bracket 6 is provided with a groove 8, in which the upper connecting wire 4 is inserted and by means of spot welding, which as hatched area 9 is indicated, is firmly connected to the bracket 6.
  • the bracket 6 consists of a rigid, round metal wire with a diameter of 3.2 mm. He extends from the upper connecting wire 4 along the lamp bulb 1 to one ceramic base 10 to which it is connected.
  • the bracket 7 consists of a rigid, round metal wire with a diameter of 1.8 mm.
  • a groove 11 is provided, in which the lower connecting wire 5 is inserted and by means of spot welding, which is indicated as a hatched area 12, with the bracket 7 is firmly connected.
  • the long leg 23 of the bracket 7 is with the base 10 firmly connected.
  • the lamp bulb 1 is only by the bracket 6 and by the bracket 7 on the base 10 held; cementing is not necessary.
  • the electrical Connection of the lamp bulb via bracket 6 and bracket 7. This is the following explained in more detail.
  • the ceramic base 10 consists of an upper part 13, which is in the form of an open top "U" is formed.
  • the base upper part 13 is firmly connected to a solid lower part 14.
  • Through holes are provided in the base part 14 through which the pins 15; 16 for the electrical connection of the discharge lamp extend a suitable version.
  • the pin 15 and the bracket 6 are made of one Part manufactured.
  • the connector pins 15 and 16 each have the same diameter as the bracket 6 and the bracket 7.
  • the bracket 6 runs between the two legs of the upwardly open “U” one of the bores of the base 10 and is opposite from the lamp bulb 1 Bottom 17 of the base 10 led out as a pin 15.
  • the connection between the base 10 and the bracket 6 or pin 15 takes place in that the bracket 6 in the area of the upper base part 13 and above the bore a small thickening 21, which prevents slipping of the bracket 6 through the bore down.
  • a serrated lock washer 22 engages the pin 15, which Slipping of the pin 15 prevented upwards.
  • the serrated lock washer 22 is included attached so that a slight axial play of the pin 15 or the bracket 6th in a direction parallel to its longitudinal axis 20 is permitted. Through the axial play Linear expansion of the lamp bulb 1 compensated during operation; a Slipping of the pin 15 or the bracket 6 is prevented.
  • the long leg 23 of the bracket 6 runs between the two legs of the Open “U” through one of the holes in the base 10 and is out of the Lamp bulb 1 opposite bottom 17 of the base 10 led out as a connecting pin 16.
  • the connection between base 10 and bracket 7 or pin 16 is made as with the bracket 6 by a corresponding thickening 24 in the region of the base upper part 13 and by a serrated washer 25 which engages below the bore and a Slipping of the pin 16 prevented upwards.
  • the serrated lock washer 25 however tightened firmly so that the bracket 7 is clamped in the bore without play is.
  • spot welds 9; 12 For the electrical connection of the lamp bulb 1 there are therefore only two spot welds 9; 12 required.
  • the welding points for spot welding 9; 12 are outside of the base 13 and are therefore easily accessible.
  • the spot welds 9; 12 serve at the same time the manufacture of the holder of the lamp bulb 1 on the base 13 by the easy to establish connection between the bracket 6 and the bracket 7 and the base 13 is completed.
  • the base 10 is characterized by a low height. This contributes to material savings and allows a more compact design of the discharge lamp according to the invention.
  • the reference number 1 is assigned to a lamp bulb which is sealed in a vacuum-tight manner with an upper pinch 2 and with a lower pinch 3. From the bruises 2, the electrical connection of the electrode 26 is led out as a connecting wire 4. The electrical connection for the opposite electrode (not shown in the figure) is made via the connecting wire 27.
  • the lamp bulb 1 is held between a bracket 6 and a connecting pin 28.
  • the lamp bulb 1 is attached to the holding bracket 6 in accordance with that in FIG. 1 illustrated embodiment.
  • the bracket 6 consists of a rigid, round metal wire with a diameter of 3.2 mm. It extends from the upper lead wire 4 along the lamp bulb 1 to a ceramic base 29 to which it is connected is, and from which it is led out as a pin 15. Retaining bracket 6 and connector pin 15 are made from one piece.
  • the pin 15 has the same diameter as the bracket 6.
  • the ceramic base 29 is made in one piece from an upper part 30 and from a lower part 31.
  • the base upper part 30 is provided with an upwardly open recess 32 into which the lower pinch 3 of the lamp bulb 1 partially protrudes.
  • the bracket 6 runs in a lateral milling 33 of the recess 32 initially along the pinch 3. in the Area below the bruise 3 it is over a curvature in the form of a lying "S" led out as a pin 15 from a through hole in the base 31.
  • the bracket 6 in the area of the "S" curve on the bottom of the recess, so that slipping through the hole is prevented.
  • the connection between socket 29 and Holding bracket 6 is otherwise in accordance with the embodiment explained with reference to Figure 1 with a serrated lock washer 22.
  • a further through-hole is provided in the base part 31 through which the pin 28 extends.
  • the connecting pin 28 is connected to the connecting wire 27 directly connected via a spot weld 34.
  • the connection between socket 29 and connector pin 28 is carried out as with the bracket 6 by a corresponding thickening, which here is formed by the spot weld 34 in the region of the upper base part 13, and by a Serrated washer 25 which engages below the bore and slipping of the connecting pin 16 prevented upwards. Attention is drawn to the above explanations.
  • the serrated lock washer 25 is tightened so that the pin 28 in the through hole is firmly clamped without play.
  • the lamp bulb 1 is primarily held by the bracket 6 on the base 10; a Bonding is not necessary.
  • the Halet bracket 6 also serves the electrical Connection of the lamp bulb 1. For the electrical connection of the lamp bulb 1 are thus only two spot welds 9; 34 required. Because the lower bruise 3 is partially embedded in the base, will also be a more compact design the discharge lamp reached.
  • connection pins 42 or 43 pre-mounted therein.
  • the connecting pin 43 which also serves as a holding bracket 44 for the lamp bulb (not shown in the figure), is held on the base 41 on the one hand by means of a clamping disk 45 and on the other hand due to a curvature 46 formed within the base 41. Clamping plate 45 and curvature 46 prevent the connecting pin 43 or the retaining bracket 44 from slipping through the bore of the base 41.
  • the connecting pin 42 which is shaped as an angle piece, is provided by means of a clamping plate 48 provided on the underside 47 of the base and - above the base hole - due to the bent leg 49 of the elbow fixed.
  • a groove 50 is provided in the holding bracket 44, into which the upper connecting wire is welded by means of a resistance welding device.
  • the lower lead wire is welded into a groove of the pin 42 (not shown in the figure).
  • the two long side walls 51 of the base 41 are each provided with an opening 52 through which the connecting wire and connecting pin 42 are fixed and welded to one another.
  • the openings 52 in the side walls 51 of the base 41 can be seen more clearly from the top view of FIG .

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Glass Compositions (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Projection Apparatus (AREA)
EP97120582A 1997-01-31 1997-11-25 Radiateur optique Expired - Lifetime EP0856870B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19703725 1997-01-31
DE19703725 1997-01-31

Publications (2)

Publication Number Publication Date
EP0856870A1 true EP0856870A1 (fr) 1998-08-05
EP0856870B1 EP0856870B1 (fr) 2001-10-31

Family

ID=7818982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97120582A Expired - Lifetime EP0856870B1 (fr) 1997-01-31 1997-11-25 Radiateur optique

Country Status (5)

Country Link
US (1) US6107738A (fr)
EP (1) EP0856870B1 (fr)
AT (1) ATE208085T1 (fr)
DE (2) DE59705177D1 (fr)
ES (1) ES2164977T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1139375A1 (fr) * 2000-03-30 2001-10-04 Heraeus Noblelight GmbH Emetteur de rayonnement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009033454B3 (de) * 2009-07-16 2011-03-31 Osram Gesellschaft mit beschränkter Haftung Lampenfassung und Lampensockel für eine Gasentladungslampe

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3236462A1 (de) * 1982-10-01 1984-04-05 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Hochdruckentladungslampe mit sockel und zugehoeriger fassung
EP0157357A2 (fr) * 1984-04-03 1985-10-09 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à décharge à haute pression à culot d'un côté
EP0224954A1 (fr) * 1985-11-19 1987-06-10 Koninklijke Philips Electronics N.V. Lampe à culot pour projecteur de véhicule
DE9013279U1 (fr) * 1990-09-19 1990-11-22 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
GB2234628A (en) * 1989-07-31 1991-02-06 Koito Mfg Co Ltd Discharge lamp base construction.
FR2661275A1 (fr) * 1990-04-20 1991-10-25 Koito Mfg Co Ltd Appareil constituant une lampe a decharge.
EP0588201A2 (fr) * 1992-09-15 1994-03-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à décharge haute pression et procédé pour la fabrication d'une lampe à décharge à haute pression

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD245080A1 (de) * 1985-12-23 1987-04-22 Narva Rosa Luxemburg K Gasentladungslampe fuer kraftfahrzeugscheinwerfer
DE8812467U1 (fr) * 1988-10-03 1988-11-17 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
US5220235A (en) * 1990-04-20 1993-06-15 Koito Manufacturing Co., Ltd. Discharge lamp device
DE9010572U1 (fr) * 1990-07-13 1990-10-04 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
DE9205537U1 (fr) * 1992-04-23 1992-06-17 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
US5291092A (en) * 1992-04-24 1994-03-01 Gte Products Corporation HID vehicle headlamp capsule assembly
DE9206314U1 (fr) * 1992-05-11 1992-07-02 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
JP2769274B2 (ja) * 1993-02-16 1998-06-25 株式会社小糸製作所 放電ランプ装置用絶縁性ベース

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3236462A1 (de) * 1982-10-01 1984-04-05 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Hochdruckentladungslampe mit sockel und zugehoeriger fassung
EP0157357A2 (fr) * 1984-04-03 1985-10-09 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à décharge à haute pression à culot d'un côté
EP0224954A1 (fr) * 1985-11-19 1987-06-10 Koninklijke Philips Electronics N.V. Lampe à culot pour projecteur de véhicule
GB2234628A (en) * 1989-07-31 1991-02-06 Koito Mfg Co Ltd Discharge lamp base construction.
FR2661275A1 (fr) * 1990-04-20 1991-10-25 Koito Mfg Co Ltd Appareil constituant une lampe a decharge.
DE9013279U1 (fr) * 1990-09-19 1990-11-22 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
EP0588201A2 (fr) * 1992-09-15 1994-03-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à décharge haute pression et procédé pour la fabrication d'une lampe à décharge à haute pression

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1139375A1 (fr) * 2000-03-30 2001-10-04 Heraeus Noblelight GmbH Emetteur de rayonnement
US6570307B2 (en) 2000-03-30 2003-05-27 Heraeus Noblelight Gmbh Optical radiator with anti-extraction lock

Also Published As

Publication number Publication date
DE19752120A1 (de) 1998-08-06
ES2164977T3 (es) 2002-03-01
ATE208085T1 (de) 2001-11-15
DE59705177D1 (de) 2001-12-06
EP0856870B1 (fr) 2001-10-31
US6107738A (en) 2000-08-22

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