ATE265799T1 - METHOD AND DEVICE FOR GENERATING A STATUS SIGNAL ABOUT THE OPERATING STATE OF A HIGH-PRESSURE GAS DISCHARGE LAMP IN A MOTOR VEHICLE - Google Patents

METHOD AND DEVICE FOR GENERATING A STATUS SIGNAL ABOUT THE OPERATING STATE OF A HIGH-PRESSURE GAS DISCHARGE LAMP IN A MOTOR VEHICLE

Info

Publication number
ATE265799T1
ATE265799T1 AT99120661T AT99120661T ATE265799T1 AT E265799 T1 ATE265799 T1 AT E265799T1 AT 99120661 T AT99120661 T AT 99120661T AT 99120661 T AT99120661 T AT 99120661T AT E265799 T1 ATE265799 T1 AT E265799T1
Authority
AT
Austria
Prior art keywords
status signal
lamp
generating
motor vehicle
operating state
Prior art date
Application number
AT99120661T
Other languages
German (de)
Inventor
Volker Radtke
Original Assignee
Hella Kg Hueck & Co
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 Hella Kg Hueck & Co filed Critical Hella Kg Hueck & Co
Application granted granted Critical
Publication of ATE265799T1 publication Critical patent/ATE265799T1/en

Links

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
    • H05B41/288—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 and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2928—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp 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
    • 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
    • H05B41/288—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 and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2925—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The method involves measuring a lamp voltage (U) and current (I), comparing them with a demand value and generating a status signal that can adopt the values lamp on and lamp off. The status signal is set and stored if the lamp current exceeds an upper demand value and is reset if the lamp current falls below a lower demand value and the lamp voltage exceeds a demand value. An Independent claim is also included for an arrangement for generating a status signal regarding the operating state of a high pressure gas discharge lamp in a motor vehicle.
AT99120661T 1998-10-22 1999-10-19 METHOD AND DEVICE FOR GENERATING A STATUS SIGNAL ABOUT THE OPERATING STATE OF A HIGH-PRESSURE GAS DISCHARGE LAMP IN A MOTOR VEHICLE ATE265799T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19848757A DE19848757A1 (en) 1998-10-22 1998-10-22 Method and device for generating a status signal about the operating state of a high-pressure gas discharge lamp in a motor vehicle

Publications (1)

Publication Number Publication Date
ATE265799T1 true ATE265799T1 (en) 2004-05-15

Family

ID=7885317

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99120661T ATE265799T1 (en) 1998-10-22 1999-10-19 METHOD AND DEVICE FOR GENERATING A STATUS SIGNAL ABOUT THE OPERATING STATE OF A HIGH-PRESSURE GAS DISCHARGE LAMP IN A MOTOR VEHICLE

Country Status (4)

Country Link
EP (1) EP0996315B1 (en)
AT (1) ATE265799T1 (en)
DE (2) DE19848757A1 (en)
ES (1) ES2218931T3 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017415C2 (en) * 1989-06-02 1994-04-14 Koito Mfg Co Ltd Circuit arrangement for operating a high-pressure discharge lamp for a vehicle headlight
JP2587720B2 (en) * 1990-10-19 1997-03-05 株式会社小糸製作所 Lighting circuit for vehicle discharge lamps
DE4136486A1 (en) * 1991-11-06 1993-05-13 Hella Kg Hueck & Co High power gas discharge lamp ballast for ignition and operation of lamp - uses bridge stage switched between DC mode for lamp ignition and AC mode for subsequent operation of lamp
DE4136488A1 (en) * 1991-11-06 1993-05-13 Bayer Ag DIALKENYL COMPOUNDS, THEIR PRODUCTION AND USE AS A REACTIVE THINNER FOR OXIDATIVELY CROSSLINKING ALKYD RESINS
US5453667A (en) * 1992-06-30 1995-09-26 Toshiba Lighting & Technology Corporation Inverter having frequency changing function
JP3447776B2 (en) * 1993-09-17 2003-09-16 池田デンソー株式会社 Discharge lamp lighting device
US5487088A (en) * 1993-10-28 1996-01-23 Infilco Degremont, Inc. Apparatus for monitoring lamp system status
JP3280540B2 (en) * 1995-05-12 2002-05-13 株式会社小糸製作所 Discharge lamp lighting circuit
JP3210570B2 (en) * 1996-02-29 2001-09-17 株式会社小糸製作所 Discharge lamp lighting circuit
JP3210584B2 (en) * 1996-07-25 2001-09-17 株式会社小糸製作所 Discharge lamp lighting circuit

Also Published As

Publication number Publication date
EP0996315A3 (en) 2000-05-10
EP0996315B1 (en) 2004-04-28
DE59909313D1 (en) 2004-06-03
ES2218931T3 (en) 2004-11-16
EP0996315A2 (en) 2000-04-26
DE19848757A1 (en) 2000-04-27

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Legal Events

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