EP0808084A3 - Sicherheitsabschaltung bei asymmetrischer Lampenleistung - Google Patents

Sicherheitsabschaltung bei asymmetrischer Lampenleistung Download PDF

Info

Publication number
EP0808084A3
EP0808084A3 EP97107206A EP97107206A EP0808084A3 EP 0808084 A3 EP0808084 A3 EP 0808084A3 EP 97107206 A EP97107206 A EP 97107206A EP 97107206 A EP97107206 A EP 97107206A EP 0808084 A3 EP0808084 A3 EP 0808084A3
Authority
EP
European Patent Office
Prior art keywords
safety shutdown
case
power consumption
asymmetrical power
lamp
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.)
Granted
Application number
EP97107206A
Other languages
English (en)
French (fr)
Other versions
EP0808084A2 (de
EP0808084B1 (de
Inventor
Felix Dr. Franck
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
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0808084A2 publication Critical patent/EP0808084A2/de
Publication of EP0808084A3 publication Critical patent/EP0808084A3/de
Application granted granted Critical
Publication of EP0808084B1 publication Critical patent/EP0808084B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H05B41/295—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 with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2985—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)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Vorgeschlagen wird eine Schaltung zum Wechselspannungsbetrieb einer Entladungslampe über einen mit der Lampe zur Gleichstromtrennung in Reihe geschalteten Kopplungskondensator (C3) mit einer Sicherheitsabschalteinrichtung, die dadurch gekennzeichnet ist, daß die Sicherheitsabschalteinrichtung auf eine Gleichspannung (UC3) an dem Kopplungskondensator (C3) durch eine Gleichstromkomponente durch die Lampe anspricht.
EP97107206A 1996-05-15 1997-04-30 Sicherheitsabschaltung bei asymmetrischer Lampenleistung Expired - Lifetime EP0808084B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19619580 1996-05-15
DE19619580A DE19619580A1 (de) 1996-05-15 1996-05-15 Sicherheitsabschaltung bei asymmetrischer Lampenleistung

Publications (3)

Publication Number Publication Date
EP0808084A2 EP0808084A2 (de) 1997-11-19
EP0808084A3 true EP0808084A3 (de) 1998-04-22
EP0808084B1 EP0808084B1 (de) 2001-06-27

Family

ID=7794387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97107206A Expired - Lifetime EP0808084B1 (de) 1996-05-15 1997-04-30 Sicherheitsabschaltung bei asymmetrischer Lampenleistung

Country Status (4)

Country Link
US (1) US5939832A (de)
EP (1) EP0808084B1 (de)
CA (1) CA2205323C (de)
DE (2) DE19619580A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19941437A1 (de) 1999-08-30 2001-03-01 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum Betrieb mindestens einer Entladungslampe
DE10046443A1 (de) * 2000-09-18 2002-03-28 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektronische Schaltung zur Detektion des Wandelbruchs bei Gasentladungslampen
EP1444871A1 (de) * 2001-11-07 2004-08-11 Koninklijke Philips Electronics N.V. Vorschaltgerät zum betreiben einer entladungslampe mit lebensende überwachung
DE10163033A1 (de) * 2001-12-20 2003-07-03 Tridonicatco Gmbh & Co Kg Elektronisches Vorschaltgerät mit Überwachungsschaltung zum Erkennen des in einer Gasentladungslampe auftretenden Gleichrichteffekts
DE102005028419A1 (de) * 2005-06-20 2006-12-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Abschaltschaltung
CN101060737A (zh) * 2006-04-19 2007-10-24 皇家飞利浦电子股份有限公司 一种探测灯的功能状态的电路和镇流器
US8482213B1 (en) 2009-06-29 2013-07-09 Panasonic Corporation Electronic ballast with pulse detection circuit for lamp end of life and output short protection
US8947020B1 (en) 2011-11-17 2015-02-03 Universal Lighting Technologies, Inc. End of life control for parallel lamp ballast
CN202455166U (zh) * 2011-12-31 2012-09-26 东莞市洁德电子科技有限公司 感应装置、感应充电器和感应应急灯

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056481A2 (de) * 1980-12-26 1982-07-28 Toshiba Electric Equipment Corporation Umformereinrichtung mit Transistor
EP0411618A2 (de) * 1989-08-04 1991-02-06 Zumtobel Aktiengesellschaft Elektronisches Vorschaltgerät für Gasentladungslampen
US5023516A (en) * 1988-05-10 1991-06-11 Matsushita Electric Industrial Co., Ltd. Discharge lamp operation apparatus
DE4100349A1 (de) * 1990-01-31 1991-08-01 Siemens Ag Elektronisches vorschaltgeraet
EP0681414A2 (de) * 1994-05-03 1995-11-08 Osram Sylvania Inc. Schutzschaltung für Bogenentladungslampen
EP0696157A1 (de) * 1994-08-02 1996-02-07 Osram Sylvania Inc. Vorschaltgerät mit Schutzschaltung gegen das Gleichrichterverhalten einer Bogenentladungslampe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5387846A (en) * 1991-11-27 1995-02-07 Selwyn Yuen Combination ballast for driving a fluorescent lamp or tube and ballast protection circuit
US5528147A (en) * 1994-06-30 1996-06-18 Motorola Lighting, Inc. Apparatus for detecting gas discharge lamp faults

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056481A2 (de) * 1980-12-26 1982-07-28 Toshiba Electric Equipment Corporation Umformereinrichtung mit Transistor
US5023516A (en) * 1988-05-10 1991-06-11 Matsushita Electric Industrial Co., Ltd. Discharge lamp operation apparatus
EP0411618A2 (de) * 1989-08-04 1991-02-06 Zumtobel Aktiengesellschaft Elektronisches Vorschaltgerät für Gasentladungslampen
DE4100349A1 (de) * 1990-01-31 1991-08-01 Siemens Ag Elektronisches vorschaltgeraet
EP0681414A2 (de) * 1994-05-03 1995-11-08 Osram Sylvania Inc. Schutzschaltung für Bogenentladungslampen
EP0696157A1 (de) * 1994-08-02 1996-02-07 Osram Sylvania Inc. Vorschaltgerät mit Schutzschaltung gegen das Gleichrichterverhalten einer Bogenentladungslampe

Also Published As

Publication number Publication date
CA2205323A1 (en) 1997-11-15
US5939832A (en) 1999-08-17
DE19619580A1 (de) 1997-11-20
CA2205323C (en) 2005-03-22
EP0808084A2 (de) 1997-11-19
DE59703889D1 (de) 2001-08-02
EP0808084B1 (de) 2001-06-27

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