IT1250807B - Circuito auto-oscillante per il comando di una lampada a scarica di gas, particolarmente per l'impiego a bordo di un autoveicolo. - Google Patents

Circuito auto-oscillante per il comando di una lampada a scarica di gas, particolarmente per l'impiego a bordo di un autoveicolo.

Info

Publication number
IT1250807B
IT1250807B ITTO910549A ITTO910549A IT1250807B IT 1250807 B IT1250807 B IT 1250807B IT TO910549 A ITTO910549 A IT TO910549A IT TO910549 A ITTO910549 A IT TO910549A IT 1250807 B IT1250807 B IT 1250807B
Authority
IT
Italy
Prior art keywords
self
board
vehicle
control
discharge lamp
Prior art date
Application number
ITTO910549A
Other languages
English (en)
Inventor
Andrea Nepote
Giorgio Alotto
Original Assignee
Marelli Autronica
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 Marelli Autronica filed Critical Marelli Autronica
Priority to ITTO910549A priority Critical patent/IT1250807B/it
Publication of ITTO910549A0 publication Critical patent/ITTO910549A0/it
Priority to DE69213138T priority patent/DE69213138T2/de
Priority to EP92830358A priority patent/EP0528769B1/en
Priority to ES92830358T priority patent/ES2092083T3/es
Priority to JP18356492A priority patent/JPH05242979A/ja
Publication of ITTO910549A1 publication Critical patent/ITTO910549A1/it
Application granted granted Critical
Publication of IT1250807B publication Critical patent/IT1250807B/it

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
    • H05B41/2881—Load circuits; Control thereof
    • H05B41/2882—Load circuits; Control thereof the control resulting from an action on the static converter
    • H05B41/2883—Load circuits; Control thereof the control resulting from an action on the static converter the controlled element being a DC/AC converter in the final stage, e.g. by harmonic mode starting
    • 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
    • H05B41/2885—Static converters especially adapted therefor; Control thereof
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Inverter Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

Il circuito comprende un inverter (1) con due rami circuitali (a, b) collegabili ad una sorgente di tensione continua (Vb) e comprendenti rispettivi commutatori elettronici (3a, 3b) in serie a rispettivi avvolgimenti primari (4a, 4b) induttivamente accoppiati con un medesimo avvolgimento secondario (5) connesso con la lampada (L). Un circuito di controllo (11) è collegato ad un resistore sensore di corrente (9) connesso in serie alla lampada (L) e rende alternatamente conduttivi detti commutatori (3a, 3b) in modo tale per cui su detto avvolgimento secondario (5) si sviluppa una tensione alternata la cui frequenza è funzione di un segnale esterno di controllo.(Figura 1).
ITTO910549A 1991-07-12 1991-07-12 Circuito auto-oscillante per il comando di una lampada a scarica di gas, particolarmente per l'impiego a bordo di un autoveicolo. IT1250807B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ITTO910549A IT1250807B (it) 1991-07-12 1991-07-12 Circuito auto-oscillante per il comando di una lampada a scarica di gas, particolarmente per l'impiego a bordo di un autoveicolo.
DE69213138T DE69213138T2 (de) 1991-07-12 1992-07-07 Selbstschwingender Schaltkreis zum Betreiben einer Gasentladungslampe, insbesondere für die Verwendung in einem Motorfahrzeug
EP92830358A EP0528769B1 (en) 1991-07-12 1992-07-07 A self-pulsing circuit for operating a gas-discharge lamp, particularly for use in a motor vehicle
ES92830358T ES2092083T3 (es) 1991-07-12 1992-07-07 Circuito auto-interrumpido para accionar una lampara de descarga de gas, particularmente para el uso en un vehiculo automovil.
JP18356492A JPH05242979A (ja) 1991-07-12 1992-07-10 ガス放電ランプを点灯させるための自励パルス発生回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910549A IT1250807B (it) 1991-07-12 1991-07-12 Circuito auto-oscillante per il comando di una lampada a scarica di gas, particolarmente per l'impiego a bordo di un autoveicolo.

Publications (3)

Publication Number Publication Date
ITTO910549A0 ITTO910549A0 (it) 1991-07-12
ITTO910549A1 ITTO910549A1 (it) 1993-01-12
IT1250807B true IT1250807B (it) 1995-04-21

Family

ID=11409484

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910549A IT1250807B (it) 1991-07-12 1991-07-12 Circuito auto-oscillante per il comando di una lampada a scarica di gas, particolarmente per l'impiego a bordo di un autoveicolo.

Country Status (5)

Country Link
EP (1) EP0528769B1 (it)
JP (1) JPH05242979A (it)
DE (1) DE69213138T2 (it)
ES (1) ES2092083T3 (it)
IT (1) IT1250807B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224996A1 (de) * 1992-07-29 1994-02-03 Hella Kg Hueck & Co Vorschaltgerät zum Betreiben von Hochdruck-Gasentladungslampen mit niederfrequenter, rechteckförmiger Spannung in Kraftfahrzeugen
US6683422B1 (en) * 2003-01-29 2004-01-27 Monolithic Power Systems, Inc. Full wave sense amplifier and discharge lamp inverter incorporating the same
DE102008023603A1 (de) * 2008-05-14 2009-11-19 Hella Kgaa Hueck & Co. Vorschaltgerät für Gasentladungslampen für den Betrieb an einer Gleichspannung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060752A (en) * 1976-03-01 1977-11-29 General Electric Company Discharge lamp auxiliary circuit with dI/dt switching control
DE2934942A1 (de) * 1979-08-29 1981-04-02 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum zuenden und betrieb einer gasentladungsroehre
FI63314C (fi) * 1981-06-08 1983-05-10 Helvar Oy Elektroniskt foerkopplingsdon foer gasurladdningslampa
DE3149526A1 (de) * 1981-12-14 1983-06-23 Philips Patentverwaltung Schaltungsanordnung zum betrieb von hochdruck-gasentladungslampen
US4585974A (en) * 1983-01-03 1986-04-29 North American Philips Corporation Varible frequency current control device for discharge lamps
GB2204751B (en) * 1987-04-22 1991-06-26 Davis Group Ltd Discharge lamp circuits
DE3719357A1 (de) * 1987-06-10 1988-12-29 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum betrieb einer entladungslampe an einer niedervolt-spannungsquelle
US5065072A (en) * 1989-03-31 1991-11-12 Valeo Vision Power supply circuit for an arc lamp, in particular for a motor vehicle headlight
DE3928809A1 (de) * 1989-08-31 1991-03-07 Philips Patentverwaltung Schaltungsanordnung zum speisen einer last

Also Published As

Publication number Publication date
DE69213138D1 (de) 1996-10-02
ITTO910549A1 (it) 1993-01-12
DE69213138T2 (de) 1997-01-16
EP0528769A3 (en) 1995-09-06
ES2092083T3 (es) 1996-11-16
EP0528769A2 (en) 1993-02-24
JPH05242979A (ja) 1993-09-21
EP0528769B1 (en) 1996-08-28
ITTO910549A0 (it) 1991-07-12

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950731