EP1511131B1 - Transformer, socket with high pressure discharge lamp and transformer - Google Patents
Transformer, socket with high pressure discharge lamp and transformer Download PDFInfo
- Publication number
- EP1511131B1 EP1511131B1 EP04017001A EP04017001A EP1511131B1 EP 1511131 B1 EP1511131 B1 EP 1511131B1 EP 04017001 A EP04017001 A EP 04017001A EP 04017001 A EP04017001 A EP 04017001A EP 1511131 B1 EP1511131 B1 EP 1511131B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transformer
- lamp base
- housing
- chamber
- guide
- 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
- 238000004804 winding Methods 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000004382 potting Methods 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/042—Starting switches using semiconductor devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/02—Details
Definitions
- the invention relates to a transformer according to the Obergebgriffs of claim 1 and a lamp cap with such a transformer and a high-pressure discharge lamp with such a lamp cap.
- the transformer serves, for example, as an ignition transformer for generating high-voltage pulses for igniting the gas discharge in the discharge medium of a high-pressure discharge lamp.
- Such a transformer and such a lamp cap are for example in the Publication WO 00/59269 disclosed.
- This document describes a toroidal transformer whose windings are enclosed by a housing and which is arranged in a chamber of the lamp cap of a high-pressure discharge lamp.
- the transformer according to the invention has a housing which encloses at least one winding of the transformer, and its housing is provided with guide means equipped for the correct installation of the transformer in a lamp base.
- guide means allow the assembly and contacting of the transformer in the lamp base by means of production machines on an automated production line.
- the guide means ensure the correct spatial arrangement and orientation of the electrical connections of the transformer with respect to the lamp cap.
- the guide means advantageously comprise at least one guide web, which is integrally formed on the outside of the transformer housing.
- This guide web can be advantageously tuned to a corresponding groove in the inner wall of the lamp cap, so that by a cooperation of the at least one guide web and the at least one groove with simple means a correct position installation of the transformer is ensured in the lamp cap.
- the at least one guide web on one side, the threading or introduction side may have a reduced width.
- the aforementioned guide bar can additionally be advantageously used for aligning and guiding the electrical connections of the transformer.
- the at least one guide web is hollow and passed through this guide web one end of a winding of the transformer.
- This end of the winding forms an electrical connection of the transformer. It receives through the hollow guide bar increased mechanical stability.
- an electrical connection of the transformer for correct spatial orientation of the transformer is advantageously used by this connection is designed as a rigid metal strip or as a rigid metal sheet. This thus formed electrical connection forms a depth stop for the transformer together with an arranged in the lamp base electrical contact element.
- the transformer according to the invention is advantageously a bar-core transformer, since this has a small spatial extent compared to other transformers, such as toroidal transformers, and therefore is better suited for mounting in confined spaces in a lamp base.
- the ends of the at least one primary winding of the transformer are each passed through a hollow guide web, wherein one end of the at least one primary winding is electrically connected to a first end of the at least one secondary winding of the transformer and a second end of the at least one secondary winding of the transformer with the rigid Metal band or sheet metal formed electrical connection of the transformer is connected.
- the two aforementioned ends of the primary winding serve as electrical connections to the power supply of the transformer.
- the hollow guide webs are used for mechanical stabilization of the primary winding ends and for correct installation of the transformer in the lamp base, while the electrically connected to the aforementioned second end of the at least one secondary winding, designed as a rigid metal band or sheet metal electrical connection of the transformer forms the high voltage output of the transformer which together with an arranged in the lamp base electrical contact element serves as a depth stop for the transformer.
- the lamp base according to the invention has a arranged in a chamber of the lamp base transformer whose housing encloses at least one winding of the transformer, according to the invention the walls of the chamber and the housing of the transformer are provided with matched guide means for the correct position installation of the transformer in the chamber serve.
- the guide means allow the assembly and contacting of the transformer in the lamp base by means of production machines on an automated manufacturing plant and in particular ensure the correct spatial arrangement and orientation of the electrical connections of the transformer with respect to the lamp cap.
- the guide means preferably also comprise at least one guide web, which is formed on the outside of the housing of the transformer, and at least one arranged on the inner wall of the chamber and adapted to the at least one guide web groove.
- the at least one guide web on one side, the Einfädelungs- or introduction side, a reduced width o have / and at least one groove on the introduction side have an enlarged compared to the guide web width width.
- the guide means may also comprise on the outside of the housing molded nubs, which also engage in grooves on the inner wall of the lamp base chamber.
- the bottom of the chamber of the lamp cap, in which the transformer is arranged preferably has a spacer, which forms a second depth stop for the assembly of the transformer in the chamber in addition to the electrical contact element on which the transformer connection designed as a rigid metal band or metal sheet ,
- the lamp base according to the invention is preferably used as the base of a high-pressure discharge lamp, the transformer being designed as an ignition transformer of a pulse ignition device integrated in the lamp base.
- preferred embodiment of the transformer according to the invention is a rod core transformer 1000, the ignition transformer in the lamp base of in FIG. 6 illustrated high-pressure discharge lamp integrated pulse igniter forms.
- the bar-core transformer 1000 has a rod-shaped ferrite core 1001 on which a secondary winding of the transformer 1000 is wound.
- the ferrite core 1001 and the secondary winding arranged thereon are almost completely enclosed by the plastic housing 1010 of the rod core transformer 1000.
- the bar-core transformer 1000 has a primary winding 1020 disposed outside of the housing 1010 and wound around the outside of the housing 1010.
- the primary winding 1020 is made of a metal strip and has three turns.
- the ends 1021, 1022 of the primary winding are each passed through a formed on the outside of the housing, hollow guide web 1011, 1012.
- the ends 1021, 1022 of the primary winding 1020 projecting from the guide webs 1011, 1012 form the electrical connections of the rod core transformer 1000 serving for the power supply.
- the first end 1021 of the primary winding 1020 is electrically conductive with the first end 1023 of the secondary winding (10) projecting out of the housing 1010. not shown).
- the first ends 1021, 1023 of the primary winding and the secondary winding are therefore at the same electrical potential during operation, usually at the ground potential.
- the guide webs 1011, 1012 and the ends 1021, 1022 of the primary winding 1020 extend transversely to the longitudinal axis of the ferrite core 1001 or the transformer 1000.
- the guide webs 1011, 1012 have on their side facing away from the ends 1021, 1022 of the primary winding, the threading or insertion side, a continuously reduced width, in order to insert these guide webs 1011, 1012 into corresponding grooves 2131 of the in FIG. 4 illustrated lamp base part 21 to facilitate.
- a plurality of knobs 1013 are formed on the outside of the housing 1010, which also engage in grooves 2131, 2142 of the lamp base part 21.
- an angled, rigid metal sheet 1030 is arranged, which is electrically conductively connected to the second end of the secondary winding of the rod core transformer 1000.
- This metal sheet 1030 forms the high-voltage output of the rod core transformer 1000.
- the housing 1010 of the transformer 1000 has two vent holes 1014, 1015, the encapsulation of the cavities of the lamp base penetration of the potting compound into the housing 1010 and escape of air from the housing 1010 of the transformer enable.
- FIG. 4 is designed as a plastic injection molded socket base part 21 is shown.
- This plastic injection molded part 21 is part of the lamp cap 2 of in FIG. 6 schematically illustrated high-pressure discharge lamp, which serves as a light source for a motor vehicle headlight.
- This high-pressure discharge lamp has a discharge vessel 11 made of quartz glass surrounded by a glass outer bulb 12 and having electrodes 13, 14 arranged therein for generating a gas discharge.
- the electrodes 13, 14 are each connected to a led out of the discharge vessel 11 power supply 15 and 16, via which they are supplied with electrical energy.
- the existing from the discharge vessel 11 and the outer bulb 12 assembly 1 is fixed in the lamp base 2.
- the lamp base 2 comprises a base outer part 21 and a cover 22 which closes the chambers of the base outer part 21, and a connection socket 40 for supplying power to the high-pressure discharge lamp.
- the base outer part 21 has a substantially square cross-section.
- the interior of the base outer part 21 is divided by a partition wall 213 into two chambers 214, 215 of different sizes.
- the rod core transformer 1000 is mounted, which serves as an ignition transformer for accommodated in the lamp base 2 pulse ignition device of the high pressure discharge lamp.
- second chamber 215 further components 61, 62 of the pulse ignition device are arranged.
- an electrical contact element is embedded. It consists of a stainless steel and forms with the base outer part 21 a structural unit. Its ends 31, 32 have flat contact surfaces.
- the first end 31 of the electrical contact element extends into the first chamber 214 and is welded after the assembly of the rod core transformer 1000 with the high voltage leading ignition voltage output 1030 of the rod core transformer 1000.
- the second end 32 of the electrical contact element which is provided with a through hole 33 for the inner power supply 15 of the high-pressure discharge lamp, extends into the second chamber 215.
- a trough 2171 is provided, which is delimited by a hollow cylindrical web 217 , The second end 32 of the contact element forms part of the tank bottom.
- the well 2171 is filled with an electrically insulating potting compound, so that the weld between the two lamp components 15, 32 is embedded in the potting compound.
- the recirculated in the base 2 end of the socket remote from the base end of the discharge vessel 11 outer power supply 16 extends into the hollow cylindrical web 218, which is also formed on the base outer part 21.
- Further hollow-cylindrical webs 219 serve for fastening the cover 22 and for fastening the connection socket 40, which forms the electrical connection of the high-pressure discharge lamp.
- the end of the web 218 is provided with a bearing surface 2181 for a mounting plate 50, the shape of which is matched to the cross section of the second chamber 215.
- the mounting board 50 closes after mounting the chamber 215.
- a plurality of grooves 2142, 2131 for the guide webs 1011, 1012 and studs 1013 of the rod core transformer 1000 are arranged. These grooves 2142, 2131 are matched to guide webs 1011, 1012 or to the studs 1013 on the housing 1010 of the rod core transformer 1010, so that the position of the rod core transformer 1000 in the first chamber 214 is determined thereby.
- the ignition voltage output 1030 of the rod core transformer is welded to this end 31.
- the ends 1021, 1022 of the primary winding 1020 are each angled and connected to a conductor track of the mounting board 50.
- the housing 1010 of the rod core transformer 1000 is seated on the nub 2144 serving as a spacer.
- the space between the rod core transformer 1000 and the side walls 2151, 213 of the first chamber 214 is filled with an electrically insulating potting compound.
- the potting compound also penetrates into the interior of the transformer housing 1010 through the vent openings 1014, 1015.
- the lid 22 covers the mounting board 50 and closes both chambers 214, 215 of the base outer part 21st
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Connecting Device With Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
Die Erfindung betrifft einen Transformator gemäß des Obergebgriffs des Patentanspruchs 1 und einen Lampensockel mit einem derartigen Transformator sowie eine Hochdruckentladungslampe mit einem derartigen Lampensockel. Der Transformator dient beispielsweise als Zündtransformator zum Erzeugen von Hochspannungsimpulsen zum Zünden der Gasentladung in dem Entladungsmedium einer Hochdruckentladungslampe.The invention relates to a transformer according to the Obergebgriffs of
Ein derartiger Transformator und ein derartiger Lampensockel sind beispielsweise in der
Es ist die Aufgabe der Erfindung, einen Transformator bereitzustellen, der zur Montage in einem Lampensockel geeignet ist und der mittels Fertigungsautomaten an einer automatisierten Fertigungsanlage in den Lampensockel eingesetzt und kontaktiert werden kann.It is the object of the invention to provide a transformer which is suitable for mounting in a lamp base and which can be used and contacted by means of production machines on an automated production line in the lamp base.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 bzw. 9 gelöst. Besonders vorteilhafte Ausführungen der Erfindung sind in den abhängigen Patentansprüchen beschrieben.This object is achieved by the features of
Der erfindungsgemäße Transformator besitzt ein Gehäuse, das mindestens eine Wicklung des Transformators umschließt, und sein Gehäuse ist mit Führungsmitteln ausgestattet, die zum lagerichtigen Einbau des Transformators in einem Lampensockel dienen. Diese Führungsmittel erlauben die Montage und Kontaktierung des Transformators in dem Lampensockel mittels Fertigungsautomaten an einer automatisierten Fertigungsanlage. Insbesondere gewährleisten die Führungsmittel die korrekte räumliche Anordnung und Ausrichtung der elektrischen Anschlüsse des Transformators bezüglich des Lampensockels.The transformer according to the invention has a housing which encloses at least one winding of the transformer, and its housing is provided with guide means equipped for the correct installation of the transformer in a lamp base. These guide means allow the assembly and contacting of the transformer in the lamp base by means of production machines on an automated production line. In particular, the guide means ensure the correct spatial arrangement and orientation of the electrical connections of the transformer with respect to the lamp cap.
Die Führungsmittel umfassen vorteilhaft mindestens einen Führungssteg, der an der Außenseite des Transformatorsgehäuses angeformt ist. Dieser Führungssteg lässt sich vorteilhaft auf eine entsprechende Nut in der Innenwand des Lampensockels abstimmen, so dass durch ein Zusammenwirken des mindestens einen Führungssteges und der mindestens einen Nut mit einfachen Mitteln ein lagerichtiger Einbau des Transformators in dem Lampensockel gewährleistet wird. Um das Einführen des mindestens einen Führungssteges in die entsprechende mindestens eine Nut zu erleichtern, kann der mindestens eine Führungssteg auf einer Seite, der Einfädelungsoder Einführungsseite, eine reduzierte Breite aufweisen. Der vorgenannte Führungssteg kann zusätzlich in vorteilhafter Weise zur Ausrichtung und Führung der elektrischen Anschlüsse des Transformators verwendet werden. Zu diesem Zweck ist der mindestens eine Führungssteg hohl ausgebildet und durch diesen Führungssteg ein Ende einer Wicklung des Transformators hindurchgeführt. Dieses Ende der Wicklung bildet einen elektrischen Anschluss des Transformators. Es erhält durch den hohlen Führungssteg eine erhöhte mechanische Stabilität. Außerdem wird vorteilhaft auch ein elektrischer Anschluss des Transformators zur korrekten räumlichen Ausrichtung des Transformators verwendet, indem dieser Anschluss als steifes Metallband oder als steifes Metallblech ausgebildet ist. Dieser so ausgebildete elektrische Anschluss bildet zusammen mit einem im Lampensockel angeordneten elektrischen Kontaktelement einen Tiefenanschlag für den Transformator. Bei dem erfindungsgemäßen Transformator handelt es sich in vorteilhafter Weise um einen Stabkerntransformator, da dieser eine im Vergleich zu anderen Transformatoren, wie beispielsweise Ringkerntransformatoren, eine geringe räumliche Ausdehnung besitzt und daher besser für die Montage unter beengten Verhältnissen in einem Lampensockel-geeignet ist. Gemäß des bevorzugten Ausführungsbeispiels der Erfindung sind die Enden der mindestens einen Primärwicklung des Transformators jeweils durch einen hohlen Führungssteg hindurchgeführt, wobei ein Ende der mindestens einen Primärwicklung mit einem ersten Ende der mindestens einen Sekundärwicklung des Transformators elektrisch leitend verbunden ist und ein zweites Ende der mindestens einen Sekundärwicklung des Transformators mit dem als steifes Metallband oder Metallblech ausgebildeten elektrischen Anschluss des Transformators verbunden ist. Die beiden vorgenannten Enden der Primärwicklung dienen als elektrische Anschlüsse zur Spannungsversorgung des Transformators. Die hohlen Führungsstege dienen zur mechanischen Stabilisierung der Primärwicklungsenden und zum lagerichtigen Einbau des Transformators in den Lampensockel, während der mit dem vorgenannten zweiten Ende der mindestens einen Sekundärwicklung elektrisch leitend verbundene, als steifes Metallband oder Metallblech ausgebildete elektrische Anschluss des Transformators den Hochspannungsausgang des Transformators bildet, der zusammen mit einem in dem Lampensockel angeordneten elektrischen Kontaktelement als Tiefenanschlag für den Transformator dient.The guide means advantageously comprise at least one guide web, which is integrally formed on the outside of the transformer housing. This guide web can be advantageously tuned to a corresponding groove in the inner wall of the lamp cap, so that by a cooperation of the at least one guide web and the at least one groove with simple means a correct position installation of the transformer is ensured in the lamp cap. In order to facilitate the insertion of the at least one guide web into the corresponding at least one groove, the at least one guide web on one side, the threading or introduction side, may have a reduced width. The aforementioned guide bar can additionally be advantageously used for aligning and guiding the electrical connections of the transformer. For this purpose, the at least one guide web is hollow and passed through this guide web one end of a winding of the transformer. This end of the winding forms an electrical connection of the transformer. It receives through the hollow guide bar increased mechanical stability. In addition, an electrical connection of the transformer for correct spatial orientation of the transformer is advantageously used by this connection is designed as a rigid metal strip or as a rigid metal sheet. This thus formed electrical connection forms a depth stop for the transformer together with an arranged in the lamp base electrical contact element. The transformer according to the invention is advantageously a bar-core transformer, since this has a small spatial extent compared to other transformers, such as toroidal transformers, and therefore is better suited for mounting in confined spaces in a lamp base. According to the preferred embodiment of the invention the ends of the at least one primary winding of the transformer are each passed through a hollow guide web, wherein one end of the at least one primary winding is electrically connected to a first end of the at least one secondary winding of the transformer and a second end of the at least one secondary winding of the transformer with the rigid Metal band or sheet metal formed electrical connection of the transformer is connected. The two aforementioned ends of the primary winding serve as electrical connections to the power supply of the transformer. The hollow guide webs are used for mechanical stabilization of the primary winding ends and for correct installation of the transformer in the lamp base, while the electrically connected to the aforementioned second end of the at least one secondary winding, designed as a rigid metal band or sheet metal electrical connection of the transformer forms the high voltage output of the transformer which together with an arranged in the lamp base electrical contact element serves as a depth stop for the transformer.
Der erfindungsgemäße Lampensockel weist einen in einer Kammer des Lampensockels angeordneten Transformator auf, dessen Gehäuse mindestens eine Wicklung des Transformators umschließt, wobei erfindungsgemäß die Wände der Kammer und das Gehäuse des Transformators mit aufeinander abgestimmten Führungsmitteln versehen sind, die zum lagerichtigen Einbau des Transformators in der Kammer dienen. Wie bereits oben erwähnt wurde, erlauben die Führungsmittel die Montage und Kontaktierung des Transformators in dem Lampensockel mittels Fertigungsautomaten an einer automatisierten Fertigungsanlage und gewährleisten insbesondere die korrekte räumliche Anordnung und Ausrichtung der elektrischen Anschlüsse des Transformators bezüglich des Lampensockels.The lamp base according to the invention has a arranged in a chamber of the lamp base transformer whose housing encloses at least one winding of the transformer, according to the invention the walls of the chamber and the housing of the transformer are provided with matched guide means for the correct position installation of the transformer in the chamber serve. As already mentioned above, the guide means allow the assembly and contacting of the transformer in the lamp base by means of production machines on an automated manufacturing plant and in particular ensure the correct spatial arrangement and orientation of the electrical connections of the transformer with respect to the lamp cap.
Die Führungsmittel umfassen vorzugsweise auch mindestens einen Führungssteg, der an der Außenseite des Gehäuses des Transformators angeformt ist, sowie mindestens eine an der Innenwand der Kammer angeordnete und auf den mindestens einen Führungssteg abgestimmte Nut. Um die Montage des Transformators in der Kammer des Lampensockels zu erleichtern, kann der mindestens eine Führungssteg auf einer Seite, der Einfädelungs- oder Einführungsseite, eine reduzierte Breite besitzen o-der / und die mindestens eine Nut auf der Einführungsseite eine im Vergleich zur Führungsstegbreite vergrößerte Breite aufweisen. Neben dem vorgenannten Führungssteg können die Führungsmittel auch an der Außenseite des Gehäuses angeformte Noppen umfassen, die ebenfalls in Nuten an der Innenwand der Lampensockelkammer eingreifen.The guide means preferably also comprise at least one guide web, which is formed on the outside of the housing of the transformer, and at least one arranged on the inner wall of the chamber and adapted to the at least one guide web groove. In order to facilitate the assembly of the transformer in the chamber of the lamp base, the at least one guide web on one side, the Einfädelungs- or introduction side, a reduced width o have / and at least one groove on the introduction side have an enlarged compared to the guide web width width. In addition to the aforementioned guide web, the guide means may also comprise on the outside of the housing molded nubs, which also engage in grooves on the inner wall of the lamp base chamber.
Der Boden der Kammer des Lampensockels, in welcher der Transformator angeordnet ist, weist vorzugsweise einen Abstandshalter auf, der neben dem elektrischen Kontaktelement, auf dem der als steifes Metallband oder Metallblech ausgebildete Transformatoranschluss aufsitzt, einen zweiten Tiefenanschlag für die Montage des Transformators in der Kammer bildet.The bottom of the chamber of the lamp cap, in which the transformer is arranged, preferably has a spacer, which forms a second depth stop for the assembly of the transformer in the chamber in addition to the electrical contact element on which the transformer connection designed as a rigid metal band or metal sheet ,
Der erfindungsgemäße Lampensockel wird vorzugsweise als Sockel einer Hochdruckentladungslampe verwendet, wobei der Transformator als Zündtransformator einer in dem Lampensockel integrierten Impulszündvorrichtung ausgebildet ist.The lamp base according to the invention is preferably used as the base of a high-pressure discharge lamp, the transformer being designed as an ignition transformer of a pulse ignition device integrated in the lamp base.
Nachstehend wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Es zeigen:
Figur 1- Eine Seitenansicht eines Transformators gemäß des bevorzugten Ausführungsbeispiels der Erfindung
Figur 2- Eine Draufsicht auf den in
abgebildeten TransformatorFigur 1 - Figur 3
- Eine Draufsicht auf eine Stirnseite des in
abgebildeten TransformatorsFigur 1 Figur 4- Eine Draufsicht auf die Kammer eines noch offenen Lampensockels, die für die Aufnahme des in
abgebildeten Transformators vorgesehen istFigur 1 - Figur 5
- Eine Draufsicht auf die im Lampensockel angeordnete Montageplatine
- Figur 6
- Eine Seitenansicht einer Hochdruckentladungslampe mit dem erfindungsgemäßen Lampensockel
- FIG. 1
- A side view of a transformer according to the preferred embodiment of the invention
- FIG. 2
- A top view of the in
FIG. 1 pictured transformer - FIG. 3
- A top view on a front of the in
FIG. 1 pictured transformer - FIG. 4
- A top view of the chamber of a still open lamp base, which is responsible for the inclusion of in
FIG. 1 pictured transformer is provided - FIG. 5
- A plan view of the arranged in the lamp base mounting board
- FIG. 6
- A side view of a high-pressure discharge lamp with the lamp base according to the invention
Bei dem in
An einer Stirnseite des Stabkerntransformators 1000 ist ein abgewinkeltes, steifes Metallblech 1030 angeordnet, das elektrisch leitend mit dem zweiten Ende der Sekundärwicklung des Stabkerntransformators 1000 verbunden ist. Dieses Metallblech 1030 bildet den Hochspannungsausgang des Stabkerntransformators 1000. Das Gehäuse 1010 des Transformators 1000 weist zwei Entlüftungsöffnungen 1014, 1015 auf, die beim Vergießen der Hohlräume des Lampensockels ein Eindringen der Vergussmasse in das Gehäuse 1010 und ein Entweichen der Luft aus dem Gehäuse 1010 des Transformators ermöglichen.On an end face of the
In der
Das Sockelaußenteil 21 besitzt einen im wesentlichen quadratischen Querschnitt. Der Innenraum des Sockelaußenteils 21 wird durch eine Trennwand 213 in zwei unterschiedlich große Kammern 214, 215 unterteilt. In der kleineren, ersten Kammer 214 wird der Stabkerntransformator 1000 montiert, der als Zündtransformator für die im Lampensockel 2 untergebrachte Impulszündvorrichtung der Hochdruckentladungslampe dient. In der größeren, zweiten Kammer 215 sind weitere Komponenten 61, 62 der Impulszündvorrichtung angeordnet. In dem Sockelaußenteil 21 ist ein elektrisches Kontaktelement eingebettet. Es besteht aus einem Edelstahl und bildet mit dem Sockelaußenteil 21 eine Baueinheit. Seine Enden 31, 32 besitzen ebene Kontaktflächen. Das erste Ende 31 des elektrischen Kontaktelementes erstreckt sich in die erste Kammer 214 und ist nach der Montage des Stabkerntransformators 1000 mit dem Hochspannung führenden Zündspannungsausgang 1030 des Stabkerntransformators 1000 verschweißt. Das zweite Ende 32 des elektrischen Kontaktelementes, das mit einer durchgehenden Bohrung 33 für die innere Stromzuführung 15 der Hochdruckentladungslampe versehen ist, erstreckt sich in die zweite Kammer 215. In dem Sockelaußenteil 21 ist eine Wanne 2171 vorgesehen, die durch einen hohlzylindrischen Steg 217 begrenzt wird. Das zweite Ende 32 des Kontaktelementes bildet einen Teil des Wannenbodens. Nach dem Verschweißen der inneren Stromzuführung 15 mit dem zweiten Ende 32 des Kontaktelementes wird die Wanne 2171 mit einer elektrisch isolierenden Vergussmasse ausgefüllt, so dass die Schweißstelle zwischen den beiden Lampenkomponenten 15, 32 in der Vergussmasse eingebettet ist. Das in den Sockel 2 zurückgeführte Ende der aus dem sockelfernen Ende des Entladungsgefäßes 11 herausragenden äußeren Stromzuführung 16 erstreckt sich in den hohlzylindrischen Steg 218, der ebenfalls an dem Sockelaußenteil 21 angeformt ist. Weitere hohlzylindrische Stege 219 dienen zur Befestigung des Deckels 22 und zur Befestigung der Anschlussbuchse 40, die den elektrischen Anschluss der Hochdruckentladungslampe bildet. Das Ende des Steges 218 ist mit einer Auflagefläche 2181 für eine Montageplatine 50, deren Form passgerecht auf den Querschnitt der zweiten Kammer 215 abgestimmt ist, ausgestattet. Die Montageplatine 50 verschließt nach ihrer Montage die Kammer 215. Die auf der Montageplatine 50 angeordneten Bauteile, wie zum Beispiel der Zündkondensator 61 und die Funkenstrecke 62 der Impulszündvorrichtung, ragen in die zweite Kammer 215 hinein. In den Seitenwänden 2151, 213 der ersten Kammer 214 sind mehrere Nuten 2142, 2131 für die Führungsstege 1011, 1012 und Noppen 1013 des Stabkemtransformators 1000 angeordnet. Diese Nuten 2142, 2131 sind passgerecht auf Führungsstege 1011, 1012 bzw. auf die Noppen 1013 am Gehäuse 1010 des Stabkerntransformators 1010 abgestimmt, so dass die Position des Stabkerntransformators 1000 in der ersten Kammer 214 dadurch festgelegt ist. Zusätzlich befindet sich in dem Boden 2143 der Kammer 214 eine Noppe 2144, die zusammen mit dem ersten Ende 31 des Kontaktelementes und dem darauf aufsitzenden Zündspannungsausgang 1030 des Transformators 1000 die Einbautiefe des Stabkerntransformators 1000 bestimmt. Der Zündspannungsausgang 1030 des Stabkerntransformators ist mit diesem Ende 31 verschweißt. Die Enden 1021, 1022 der Primärwicklung 1020 sind jeweils abgewinkelt und mit einer Leiterbahn der Montageplatine 50 verbunden. Das Gehäuse 1010 des Stabkerntransformators 1000 sitzt auf der als Abstandshalter dienenden Noppe 2144 auf. Der Zwischenraum zwischen dem Stabkerntransformator 1000 und den Seitenwänden 2151, 213 der ersten Kammer 214 wird mit einer elektrisch isolierenden Vergussmasse ausgefüllt. Die Vergussmasse dringt durch die Entlüftungsöffnungen 1014, 1015 auch in den Innenraum des Transformatorgehäuses 1010 ein. Der Deckel 22 deckt die Montageplatine 50 ab und verschließt beide Kammern 214, 215 des Sockelaußenteils 21.The base
Claims (17)
- Transformer for being fitted in a lamp base, the transformer (1000) having a housing (1010) which surrounds at least one winding of the transformer (1000), characterized in that the housing (1010) is provided with guide means (1011, 1012, 1013) which serve the purpose of inserting the transformer (1000) in the correct position in a lamp base.
- Transformer according to Claim 1, characterized in that the guide means comprise at least one guide web (1011) which is integrally formed on the outer side of the housing (1010).
- Transformer according to Claim 2, characterized in that the at least one guide web (1011) is hollow, and one end (1021) of a winding (1020) of the transformer (1000) is passed through this guide web (1011).
- Transformer according to Claim 2, characterized in that the at least one guide web (1011) has a reduced width on its insertion side.
- Transformer according to Claim 1, characterized in that the housing (1010) has at least one ventilation opening (1014).
- Transformer according to Claim 1, characterized in that an electrical terminal (1030) of the transformer (1000) is in the form of a stiff metal strip or a stiff metal sheet.
- Transformer according to Claim 1, characterized in that the transformer (1000) is a rod-core transformer.
- Transformer according to Claims 3, 6 and 7, characterized in that the two ends (1021, 1022) of the at least one primary winding (1020) of the transformer (1000) are each passed through a hollow guide web (1011, 1012), one end (1021) of the at least one primary winding (1020) is electrically conductively connected to a first end (1023) of at least one secondary winding of the transformer (1000), and a second end of the at least one secondary winding is connected to the electrical terminal (1030), which is in the form of a stiff metal strip or a stiff metal sheet, of the transformer (1000).
- Lamp base having a transformer (1000) arranged in a chamber (214) of the lamp base (2), the transformer (1000) having a housing (1010) which surrounds at least one winding of the transformer (1000), characterized in that the walls (2151, 213) of the chamber (214) and the housing (1010) of the transformer (1000) are provided with guide means (2131, 2142, 1011, 1012, 1013) which are matched to one another and which serve the purpose of inserting the transformer (1000) in the correct position in the chamber (214).
- Lamp base according to Claim 9, characterized in that the guide means comprise at least one guide web (1011) which is integrally formed on the outer side of the housing (1010) of the transformer (1000), as well as at least one groove (2131) which is arranged on the inner wall of the chamber (214) and is matched to the guide web (1011).
- Lamp base according to Claim 10, characterized in that the at least one guide web (1011) is hollow, and one end (1021) of a winding (1020) of the transformer (1000) is passed through this guide web.
- Lamp base according to Claim 10, characterized in that the at least one guide web (1011) has a reduced width on its insertion side and/or the at least one groove has a greater width on the insertion side.
- Lamp base according to Claim 9, characterized in that the transformer (1000) has an electrical terminal (1030), which is made of a stiff metal strip or a stiff metal sheet and rests on an electrical contact element (3), which extends into the chamber (214), of the lamp base (2).
- Lamp base according to Claim 9 or 13, characterized in that a spacer (2144) is arranged between the housing (1010) of the transformer (1000) and the bottom (2143) of the chamber.
- Lamp base according to Claim 9, characterized in that the transformer (1000) is a rod-core transformer.
- Lamp base according to Claims 9, 11 and 13, characterized in that the two ends (1021, 1022) of at least one primary winding (1020) of the transformer (1000) are each passed through a hollow guide web (1011, 1012), one end (1021) of the at least one primary winding (1020) is electrically conductively connected to a first end (1023) of at least one secondary winding of the transformer (1000), and a second end of the at least one secondary winding is connected to the electrical terminal (1030), which is in the form of a stiff metal strip or a stiff metal sheet, of the transformer (1000).
- High-pressure discharge lamp having a lamp base according to one or more of Claims 9 to 16.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10339587 | 2003-08-26 | ||
DE10339587A DE10339587A1 (en) | 2003-08-26 | 2003-08-26 | Transformer, lamp base with a transformer and high pressure discharge lamp |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1511131A1 EP1511131A1 (en) | 2005-03-02 |
EP1511131B1 true EP1511131B1 (en) | 2011-09-21 |
EP1511131B8 EP1511131B8 (en) | 2012-03-28 |
Family
ID=34089226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04017001A Expired - Lifetime EP1511131B8 (en) | 2003-08-26 | 2004-07-19 | Transformer, socket with high pressure discharge lamp and transformer |
Country Status (10)
Country | Link |
---|---|
US (1) | US7135822B2 (en) |
EP (1) | EP1511131B8 (en) |
JP (1) | JP4813780B2 (en) |
KR (1) | KR101169070B1 (en) |
CN (1) | CN100467943C (en) |
AT (1) | ATE525773T1 (en) |
CA (1) | CA2479078A1 (en) |
DE (1) | DE10339587A1 (en) |
ES (1) | ES2374129T3 (en) |
TW (1) | TWI386107B (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102004058881A1 (en) * | 2004-12-06 | 2006-06-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | High pressure discharge lamp and lighting device with high pressure discharge lamp |
DE102005029001A1 (en) * | 2005-02-11 | 2006-08-24 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Lamp base for a high-pressure discharge lamp and high-pressure discharge lamp |
DE102005038043A1 (en) * | 2005-08-09 | 2007-02-15 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Lamp base for a high-pressure discharge lamp and high-pressure discharge lamp |
KR100738704B1 (en) * | 2005-10-06 | 2007-07-12 | 엘지전자 주식회사 | A stand for an image display device |
US7855625B2 (en) * | 2006-08-31 | 2010-12-21 | General Electric Company | Lamp transformer |
US8072308B2 (en) * | 2007-02-26 | 2011-12-06 | General Electric Company | High voltage transformer and a novel arrangement/method for hid automotive headlamps |
ITTO20070217A1 (en) * | 2007-03-26 | 2008-09-27 | Itw Ind Components S R L Co N | LIGHTER HIGH PERFORMANCE LIGHTER FOR HOUSEHOLD APPLIANCES, IN PARTICULAR A COOKING PLAN |
US7868554B2 (en) * | 2007-05-18 | 2011-01-11 | General Electric Company | Light weight automotive HID igniter |
DE102007037635A1 (en) | 2007-08-09 | 2009-02-12 | Osram Gesellschaft mit beschränkter Haftung | Transformer i.e. ignition transformer, for discharge lamp i.e. high pressure discharge lamp, has connecting element formed as contact projection or contact recess that contacts with contact element of lamp socket |
DE102008031254A1 (en) | 2008-07-02 | 2010-01-07 | Osram Gesellschaft mit beschränkter Haftung | High pressure discharge lamp for use in D1- or D3-high intensity discharge motor vehicle headlight, has lamp holder with ignition module and adapter formed as interface between burner component and ignition module |
DE102008033192A1 (en) | 2008-07-15 | 2010-01-21 | Osram Gesellschaft mit beschränkter Haftung | Transformer and lamp base element, lamp base and discharge lamp with such a lamp base |
DE102009012090A1 (en) * | 2009-03-06 | 2010-09-09 | Hella Kgaa Hueck & Co. | Ignition transformer for a high-pressure gas discharge lamp |
DE102009012087A1 (en) | 2009-03-06 | 2010-09-09 | Hella Kgaa Hueck & Co. | Ignition transformer for a high-pressure gas discharge lamp |
DE102009012089A1 (en) | 2009-03-06 | 2010-09-09 | Hella Kgaa Hueck & Co. | Igniter for a high-pressure gas discharge lamp |
DE102009012088A1 (en) | 2009-03-06 | 2010-09-09 | Hella Kgaa Hueck & Co. | Igniter for a high-pressure gas discharge lamp |
DE102009018448A1 (en) * | 2009-04-22 | 2010-10-28 | Automotive Lighting Reutlingen Gmbh | Lighting device of a motor vehicle |
DE102009054376B4 (en) * | 2009-11-11 | 2011-09-01 | Osram Gesellschaft mit beschränkter Haftung | High pressure discharge lamp |
DE102010040454A1 (en) | 2010-09-09 | 2012-01-19 | Osram Ag | Transformer for assembling in base of high pressure discharge lamp, has housing comprising bar that is spaced at distance away from outer side, where bar is arranged between high voltage terminal and winding with metal strip |
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DE102015210506A1 (en) | 2015-06-09 | 2016-12-15 | Osram Gmbh | Ignition device for a high pressure discharge lamp |
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-
2003
- 2003-08-26 DE DE10339587A patent/DE10339587A1/en not_active Withdrawn
-
2004
- 2004-07-19 ES ES04017001T patent/ES2374129T3/en not_active Expired - Lifetime
- 2004-07-19 AT AT04017001T patent/ATE525773T1/en active
- 2004-07-19 EP EP04017001A patent/EP1511131B8/en not_active Expired - Lifetime
- 2004-08-17 JP JP2004237736A patent/JP4813780B2/en not_active Expired - Fee Related
- 2004-08-18 US US10/920,420 patent/US7135822B2/en active Active
- 2004-08-20 TW TW093125151A patent/TWI386107B/en not_active IP Right Cessation
- 2004-08-25 CA CA002479078A patent/CA2479078A1/en not_active Abandoned
- 2004-08-25 KR KR1020040067138A patent/KR101169070B1/en not_active IP Right Cessation
- 2004-08-26 CN CNB2004100579275A patent/CN100467943C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2374129T3 (en) | 2012-02-14 |
CA2479078A1 (en) | 2005-02-26 |
CN1590841A (en) | 2005-03-09 |
KR101169070B1 (en) | 2012-07-26 |
EP1511131A1 (en) | 2005-03-02 |
JP2005072583A (en) | 2005-03-17 |
US7135822B2 (en) | 2006-11-14 |
DE10339587A1 (en) | 2005-03-24 |
US20050068143A1 (en) | 2005-03-31 |
TW200518631A (en) | 2005-06-01 |
ATE525773T1 (en) | 2011-10-15 |
JP4813780B2 (en) | 2011-11-09 |
KR20050021276A (en) | 2005-03-07 |
EP1511131B8 (en) | 2012-03-28 |
CN100467943C (en) | 2009-03-11 |
TWI386107B (en) | 2013-02-11 |
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