EP2067386B1 - Emv-verbesserung durch hf-absorption in leuchten und evgs - Google Patents

Emv-verbesserung durch hf-absorption in leuchten und evgs Download PDF

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Publication number
EP2067386B1
EP2067386B1 EP06806809A EP06806809A EP2067386B1 EP 2067386 B1 EP2067386 B1 EP 2067386B1 EP 06806809 A EP06806809 A EP 06806809A EP 06806809 A EP06806809 A EP 06806809A EP 2067386 B1 EP2067386 B1 EP 2067386B1
Authority
EP
European Patent Office
Prior art keywords
ballast
luminaire
damping element
terminal
lighting device
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.)
Not-in-force
Application number
EP06806809A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2067386A1 (de
Inventor
Reinhard Lecheler
Siegfried Mayer
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.)
Osram GmbH
Original Assignee
Osram 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 Osram GmbH filed Critical Osram GmbH
Publication of EP2067386A1 publication Critical patent/EP2067386A1/de
Application granted granted Critical
Publication of EP2067386B1 publication Critical patent/EP2067386B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source

Definitions

  • This invention relates to a lamp with integrated electronic ballast (ECG) and to an electronic ballast as such, in which the electromagnetic compatibility (EMC) is improved.
  • Circuitry measures are known in the TOE to reduce such disturbances, which mean a certain effort.
  • the font WO 93/20677 discloses an electronic ballast with a capacitor between a PE terminal of the ballast and a ground terminal in the ballast.
  • the font EP-A-1246512 discloses a headlamp assembly of a motor vehicle with a high pressure discharge lamp in a reflector, in which a supply line of an ignitor of the lamp and a ground line of the reflector are passed through a ferrite core.
  • the invention is based on the technical problem of specifying a luminaire with integrated electronic ballast and an electronic ballast which show an improved electromagnetic compatibility with respect to the above-mentioned resonance phenomena in the high-frequency range.
  • a lamp with integrated electronic ballast characterized by a damping element of high frequency radiation by magnetic RF loss damping material, which is designed by high frequency radiation absorption high frequency currents in a line of the lamp between a PE terminal of the lamp and a ground terminal in to dampen the lamp, and an electronic ballast for a lamp, characterized by a corresponding damping element, which is designed to attenuate high-frequency currents in a line of the ballast between a PE terminal of the ballast and a ground terminal in the ballast.
  • the term “luminaire” here does not refer to a luminous means as such, ie to the consumables responsible for the actual generation of light, but to a lighting device with or for receiving a luminous means, ie a lamp.
  • a lamp thus has a housing and often a screen, a reflector, translucent cover glasses u. ⁇ . on.
  • the basic idea of the invention is to provide a damping element in the luminaire or in the ballast, which is characterized by material-specific high-frequency damping properties in the frequency range of interest High frequency radiation losses generated and thus dampens annoying resonance phenomena and reduced in amplitude.
  • Suitable materials with suitable magnetic properties, which can be attenuated by magnetic HF losses, are considered here. This is especially true for ferromagnetic ceramic materials, especially of iron oxide, which are also known as Dämpfungsferrite.
  • damping element should preferably not be integrated into the conductor itself - the ferrites would also be lacking in the conductivity - but only be mounted in the vicinity of the conductor.
  • the damping element surrounds the conductor by being a body with a passage opening.
  • Particularly suitable are so-called pearls, ie small spheroidal bodies with a bore, rings or small tubes.
  • the line to be damped is in the case of the claimed ballast between the PE terminal of the ballast and the ground contact to the ballast housing or a corresponding part thereof.
  • the line currents involved in the resonance phenomena must run through this line.
  • the overall PE terminal of the luminaire differs frequently from the PE terminal of the ballast integrated in the luminaire, or the ballast may not have its own PE terminal.
  • the attenuated by the damping element line here between the PE terminal of the lamp and the ground contact one for the resonance phenomena with responsible luminaire housing part or the lamp housing as a whole. Capacities that are (partially) associated with the luminaire housing and participate in the resonance phenomena then cause damped currents through this line.
  • a conductive housing of the integrated ballast can be involved in significant capacities, so that it is also preferred that the line between the PE terminal of the lamp and the ground contact of the ballast housing is located.
  • the ballast ground contact can be made to the lamp housing (part), so that even by a damping of the line between the PE terminal of the lamp and the ground contact to the lamp housing (part) and the currents are included to the ballast housing.
  • the damping element in the terminal. If so far it has been said that the damping element should attenuate a line between the PE terminal and a certain ground contact, the term “between” means the area from the actual terminal contact for the external line.
  • the damping element is to be integrated in the terminal body, for example in a conventional luster terminal in the vicinity of the conductive piece between the external lead terminal and the internal terminal contact, especially in one conductive piece enclosing form.
  • integrated in here means that the damping element should be included or held in the component incl. Its insulating holder, so that it can be mounted together with and in the terminal by the lighting manufacturer or ballast manufacturer and may even already be purchased.
  • FIG. 1 shows a circuit arrangement according to the invention with a lamp terminal LK with integrated damping element F for a Luminaire with electronic ballast electronic ballast.
  • the damping element F is a high-frequency-absorbing ferrite bead and integrated in the lamp terminal itself. It lies on the conductive connection between the terminal connection contact for the external PE mains supply line on the one hand and an internal line leading to the luminaire housing.
  • the line piece with the damping element F is thus connected between the lamp housing and the ground conductor PE, in which case the electronic ballast ECG via the lamp housing (or a line) and finally the damping element is connected to the ground conductor PE.
  • the damping element F absorbs the interference spectrum, which results from the resonant vibrations of the lamp housing and the housing of the electronic ballast, in particular from the capacitive couplings between the lamp housing and the environment, and damps in this way the high-frequency interference.
  • FIG. 2 shows a modification of the circuit according to FIG. 1 ,
  • the ferrite bead is also integrated in the luminaire terminal, but only connected to a PE connecting cable with which the ECG ballast is connected to the external PE line via the luminaire terminal.
  • the housing of the lamp is either, as drawn, independently connected to the external PE supply line or could be configured in this embodiment, even without ground contact, for example in the case of a plastic light. So here the capacitive influence of the lamp housing does not play a decisive role and is not considered in the damping according to the invention.
  • the variant is off FIG. 3 only a conductive bridge to the line to the ground contact of the lamp housing affected by the integrated in the lamp terminal ferrite bead F. Since the ballast electronic ballast here in contrast to the variant off FIG. 1 is connected to the external PE line via a supply line to the luminaire connection terminal and this supply line is not detected by the ferrite bead is, the capacitive influence of the ECG housing is not taken into account here. It can be insignificant in individual cases. Deviating from the figure, it could also have been dispensed with due to the grounding of the lamp housing on a conductive and grounded ECG housing. But it could of course also be a second or a common ferrite bead for both Gepatiusemassezu effet available.
  • FIG. 4 shows an interference spectrum (in dB ⁇ V at 50 ⁇ ) of a luminaire with electronic ballast without damping element and thus without high-frequency interference suppression.
  • the normative curves to be observed for the quasi-peak (QP) and average values (AV) are plotted. In the frequency range from 10 to 30 MHz, the detected interference levels clearly exceed the standard values to be observed with regard to the quasi-peak (60 dB ⁇ V) and average values (50 dB ⁇ V), the excesses being approximately 5 dB ⁇ V.
  • FIG. 5 shows an interference spectrum of the same luminaire with electronic ballast with luminaire terminal and integrated damping element with a circuit arrangement FIG. 1 ,
  • the standard values prescribed in the frequency range between 10 and 30 MHz with respect to quasi-peak (QP) and average values (AV) are undercut, with the undershoots being approximately 5 dB ⁇ V.

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Inorganic Insulating Materials (AREA)
  • Gears, Cams (AREA)
  • Magnetic Ceramics (AREA)
EP06806809A 2006-09-25 2006-09-25 Emv-verbesserung durch hf-absorption in leuchten und evgs Not-in-force EP2067386B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/066715 WO2008037292A1 (de) 2006-09-25 2006-09-25 Emv-verbesserung durch hf-absorption in leuchten und evgs

Publications (2)

Publication Number Publication Date
EP2067386A1 EP2067386A1 (de) 2009-06-10
EP2067386B1 true EP2067386B1 (de) 2010-11-24

Family

ID=37714232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06806809A Not-in-force EP2067386B1 (de) 2006-09-25 2006-09-25 Emv-verbesserung durch hf-absorption in leuchten und evgs

Country Status (8)

Country Link
EP (1) EP2067386B1 (es)
KR (1) KR20090077929A (es)
CN (1) CN101513130B (es)
AT (1) ATE489837T1 (es)
AU (1) AU2006348910A1 (es)
DE (1) DE502006008412D1 (es)
ES (1) ES2356260T3 (es)
WO (1) WO2008037292A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056288A1 (de) 2011-12-12 2013-06-13 Vossloh-Schwabe Deutschland Gmbh Netzbetriebenes Gerät

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT13872U1 (de) * 2013-05-02 2014-10-15 Tridonic Gmbh & Co Kg Betriebsgerät für Leuchtmittel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4210624A1 (de) * 1992-03-31 1993-10-07 Tridonic Bauelemente Elektronisches Vorschaltgerät für eine Gasentladungslampe
US5461351A (en) * 1994-06-06 1995-10-24 Shusterman; Boris Common-mode filtering attachment for power line connectors
DE19954489A1 (de) * 1999-11-12 2001-05-17 Hella Kg Hueck & Co Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug
DE10116254A1 (de) * 2001-03-31 2002-10-02 Hella Kg Hueck & Co Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056288A1 (de) 2011-12-12 2013-06-13 Vossloh-Schwabe Deutschland Gmbh Netzbetriebenes Gerät

Also Published As

Publication number Publication date
KR20090077929A (ko) 2009-07-16
WO2008037292A1 (de) 2008-04-03
ES2356260T3 (es) 2011-04-06
CN101513130A (zh) 2009-08-19
DE502006008412D1 (de) 2011-01-05
AU2006348910A1 (en) 2008-04-03
EP2067386A1 (de) 2009-06-10
CN101513130B (zh) 2012-09-19
ATE489837T1 (de) 2010-12-15

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