ES2119252T3 - Circuito de alimentacion para una lampara de descarga de gas, particularmente para vehiculos motorizados. - Google Patents
Circuito de alimentacion para una lampara de descarga de gas, particularmente para vehiculos motorizados.Info
- Publication number
- ES2119252T3 ES2119252T3 ES95104934T ES95104934T ES2119252T3 ES 2119252 T3 ES2119252 T3 ES 2119252T3 ES 95104934 T ES95104934 T ES 95104934T ES 95104934 T ES95104934 T ES 95104934T ES 2119252 T3 ES2119252 T3 ES 2119252T3
- Authority
- ES
- Spain
- Prior art keywords
- lamp
- bridge
- bridge circuit
- circuit
- switches
- 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
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
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/042—Starting switches using semiconductor devices
-
- 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
-
- 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
- H05B41/382—Controlling the intensity of light during the transitional start-up phase
- H05B41/384—Controlling the intensity of light during the transitional start-up phase in case of hot-restriking
-
- 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
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
EL CIRCUITO CONSTA DE UN CONVERTOR DC/DC (2), Y UN CIRCUITO DE PUENTE EN FORMA DE -H (HB) CONECTADO AL CONVERTOR (2) MEDIANTE UN CAPACITADOR DE FILTRO (C{SUB.F}), Y QUE TIENE DOS TERMINALES DE SALIDA (O1,O2) ENTRE LOS CUALES LA LAMPARA (L) SE ENCUENTRA CONECTADA. EL CIRCUITO DE PUENTE (HB) COMPRENDE CUATRO INTERRUPTORES CONTROLADOS (M1-M4), CADA UNO DE LOS CUALES SE ENCUENTRA COLOCADA ENTRE UNA TERMINAL ED ENTRADA (I1,I2) Y UNA DE SALIDA (O1,O2), Y QUE PUEDEN SER CONDUCIDOS EN PARES ALTERNANTES PARA FORMAR, JUNTO CON LA LAMPARA (L), DOS CURSOS O DIAGONALES DEL PUENTE (HB). UN TRANSFORMADOR DE ENCENDIDO (TT) POSEE UN BOBINADO SECUNDARIO (W2) CONECTADO EN SERIE CON LA LAMPARA (L), ENTRE LAS TERMINALES DE SALIDA (O1,O2) DEL CIRCUITO DE PUENTE (HB). UN CIRCUITO DE ENCENDIDO (IC;H;C;SC) ES CONECTADO AL BOBINADO PRIMARIO DEL TRANSFORMADOR (TT). UNA UNIDAD DE CONTROL (ECU) CONECTADA A LAS ENTRADAS DE CONTROL DE LOS INTERRUPTORES (M1,M4) DELCIRCUITO DE PUENTE (HB), SE ENCUENTRA COLOCADA PARA DIRIGIR LOS INTERRUPTORES (M1,M4) DE TAL MANERA QUE LOS INTERRUPTORES QUE SON CONDUCTORES CUANDO EL FLUJO DE CORRIENTE COMIENZA EN LA LAMPARA (L), PERTENECEN AL CURSO O DIAGONAL DEL CIRCUITO DE PUENTE (HB), PARA EL QUE LAS CORRIENTE QUE FLUYEN EN LA LAMPARA (L) COMO RESULTADO DEL FLUJO DE UNA CORRIENTE IMPULSADA EN EL BOBINADO PRIMARIO DEL TRANSFORMADOR DE ENCENDIDO (TT), Y COMO RESULTADO DE LA DESCARGA DEL CAPACITADOR DE FILTRO (C{SUB.F}), RESPECTIVAMENTE, CIRCULAN EN LA MISMA DIRECCION,
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94TO000434A IT1266841B1 (it) | 1994-05-26 | 1994-05-26 | Circuito di alimentazione per una lampada a scarica di gas, pparticolarmente per autoveicoli. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2119252T3 true ES2119252T3 (es) | 1998-10-01 |
Family
ID=11412561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95104934T Expired - Lifetime ES2119252T3 (es) | 1994-05-26 | 1995-04-03 | Circuito de alimentacion para una lampara de descarga de gas, particularmente para vehiculos motorizados. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0684755B1 (es) |
DE (1) | DE69503191T2 (es) |
ES (1) | ES2119252T3 (es) |
IT (1) | IT1266841B1 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6127788A (en) | 1997-05-15 | 2000-10-03 | Denso Corporation | High voltage discharge lamp device |
JP4252117B2 (ja) * | 1997-05-16 | 2009-04-08 | 株式会社デンソー | 放電灯装置 |
FR2775155B1 (fr) * | 1998-02-13 | 2000-05-05 | Valeo Electronique | Perfectionnements aux dispositifs pour l'alimentation d'une lampe a decharge de projecteur de vehicule automobile |
DE19854764A1 (de) * | 1998-11-27 | 2000-06-08 | Bosch Gmbh Robert | Schaltungsanordnung und Verfahren für das Zünden einer Hochdruckgasentladungslampe |
US6144171A (en) * | 1999-05-07 | 2000-11-07 | Philips Electronics North America Corporation | Ignitor for high intensity discharge lamps |
US6863652B2 (en) | 2002-03-13 | 2005-03-08 | Draeger Medical Systems, Inc. | Power conserving adaptive control system for generating signal in portable medical devices |
FR2896121B1 (fr) * | 2006-01-05 | 2011-07-15 | Valeo Vision | Ballast de lampe a decharge gazeuse et procede de pilotage de ce ballast |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0411617A3 (en) * | 1989-08-01 | 1992-05-13 | Toshiba Lighting & Technology Corporation | Method of lighting discharge lamp and discharge lamp lighting apparatus |
US5319286A (en) * | 1992-10-29 | 1994-06-07 | North American Philips Corporation | Ignition scheme for a high intensity discharge ballast |
-
1994
- 1994-05-26 IT IT94TO000434A patent/IT1266841B1/it active IP Right Grant
-
1995
- 1995-04-03 DE DE69503191T patent/DE69503191T2/de not_active Expired - Fee Related
- 1995-04-03 EP EP95104934A patent/EP0684755B1/en not_active Expired - Lifetime
- 1995-04-03 ES ES95104934T patent/ES2119252T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1266841B1 (it) | 1997-01-21 |
DE69503191D1 (de) | 1998-08-06 |
ITTO940434A1 (it) | 1995-11-26 |
DE69503191T2 (de) | 1998-12-24 |
ITTO940434A0 (it) | 1994-05-26 |
EP0684755B1 (en) | 1998-07-01 |
EP0684755A1 (en) | 1995-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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