FI76906B - Vaexelriktaranordning foer matning av urladdningslampor. - Google Patents

Vaexelriktaranordning foer matning av urladdningslampor. Download PDF

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Publication number
FI76906B
FI76906B FI841794A FI841794A FI76906B FI 76906 B FI76906 B FI 76906B FI 841794 A FI841794 A FI 841794A FI 841794 A FI841794 A FI 841794A FI 76906 B FI76906 B FI 76906B
Authority
FI
Finland
Prior art keywords
voltage
capacitor
control
lamp
inverter
Prior art date
Application number
FI841794A
Other languages
English (en)
Finnish (fi)
Other versions
FI841794A0 (fi
FI841794A (fi
FI76906C (sv
Inventor
Peter Krummel
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of FI841794A0 publication Critical patent/FI841794A0/fi
Publication of FI841794A publication Critical patent/FI841794A/fi
Publication of FI76906B publication Critical patent/FI76906B/fi
Application granted granted Critical
Publication of FI76906C publication Critical patent/FI76906C/sv

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)
  • Ladders (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Claims (6)

1. Växelriktare mad tvä växelvis ledande, styrbara omkopplare (Tl, T2); en parallellt med den första omkopp- 5 laren (Tl) liggande belastningskrets, vilken via den and-ra omkopplaren (T2) llgger pä en likspänningskälla (Q) och bestär av en seriekoppling av ensvängningskondensator (CIO), en serleresonanskrets med en drossel (LI) och en kondensator (C9) och en urladdningslampa (LP) med uppvärm-10 bara elektroder, varvld dessa elektroder llgger 1 belast-nlngskretsen och via kondensatorn (C9) 1 serieresonanskret-sen förbundits med varandra; och med en styrsats (S), vilken växelvis levererar tillstyrande styrspänningar ät om-kopplarna, kännetecknad av en brännspännings-15 detektor (B), vilken övervakar lampans (LP) brännspänning och levererar en av brännspänningen beroende utgängssig-nal, vilken tillförs styrsatsen (S) och bestämmer frekven-sen pä den av densanuna levererade styrspänningen.
2. Växelriktare enligt patentkravet 1, k ä n n e-20 t e c k n a d av en mellan styrsatsen (S) och brännspän- ningsdetektorn (B) anordnad mätanordning (A), vilken yt-terligare tillförs spänningen av en vid lngängen (PN) tili växelriktaren liggande tidsanordning (Z), och vilken under en med inkopplandet av llkspänningskällan börjande förupp-25 värmningstid (t0/tx) och en tili denna ansluten tändtid (tx/t2) bestämmer frekvensen hos styrspänningen och sedan tilläter att utgängssignalen frän brännspänningsdetektorn (B) för styrsatsen (S) blir verksam.
3. Växelriktare enligt patentkravet 2, k ä n n e-30 tecknad därav, att mätanordningen (A) jämför en säg- vägspänning (Vc3) med en referensspänning (Vc4 ) och i ett beroende av denna jämförelse styr en spärrtransistor (T3, T4), vilken avslutar styrspänningen i växelriktarens ena omkopplare (T2), varvid sägvägspänningen avges av en syn-35 kroniseringskondensator (C3), vilken via ett förmotständ
FI841794A 1983-05-27 1984-05-04 Växelriktaranordning för matning av urladdningslampor. FI76906C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833319352 DE3319352A1 (de) 1983-05-27 1983-05-27 Wechselrichter zur speisung von entladungslampen
DE3319352 1983-05-27

Publications (4)

Publication Number Publication Date
FI841794A0 FI841794A0 (fi) 1984-05-04
FI841794A FI841794A (fi) 1984-11-28
FI76906B true FI76906B (fi) 1988-08-31
FI76906C FI76906C (sv) 1988-12-12

Family

ID=6200083

Family Applications (1)

Application Number Title Priority Date Filing Date
FI841794A FI76906C (sv) 1983-05-27 1984-05-04 Växelriktaranordning för matning av urladdningslampor.

Country Status (4)

Country Link
EP (1) EP0127101B1 (sv)
AT (1) ATE25800T1 (sv)
DE (2) DE3319352A1 (sv)
FI (1) FI76906C (sv)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521496A1 (de) * 1985-04-22 1986-10-23 Sorbios Verfahrenstech Verfahren und vorrichtung zur mittel- und hochfrequenten hochspannungsversorgung fuer impedanzartige lasten, insbesondere bei gasentladungen
GB8522778D0 (en) * 1985-09-14 1985-10-16 Contrology Ltd Lamp supply circuit
ZA862614B (en) * 1986-04-08 1986-12-30 David John Cockram Controller for gas discharge lamps
DE3628989A1 (de) * 1986-08-26 1988-03-03 Ceag Licht & Strom Elektronisches vorschaltgeraet
US4933605A (en) * 1987-06-12 1990-06-12 Etta Industries, Inc. Fluorescent dimming ballast utilizing a resonant sine wave power converter
EP0359860A1 (de) * 1988-09-23 1990-03-28 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Betreiben mindestens einer Gasentladungslampe
GB8829844D0 (en) * 1988-12-21 1989-02-15 Yazdanian Sirous Control of fluorescent lights etc
JPH0766864B2 (ja) * 1989-07-28 1995-07-19 東芝ライテック株式会社 放電灯点灯装置
ATE102430T1 (de) * 1989-10-09 1994-03-15 Siemens Ag Elektronisches vorschaltgeraet.
GB8926112D0 (en) * 1989-11-18 1990-01-10 Ac Dc Lighting Limited Inverters and cathode lamp arrangements
FI100759B (sv) * 1989-12-29 1998-02-13 Zumtobel Ag Förfarande och förkopplingsanordning för dämpning av lysrör
US6037722A (en) 1994-09-30 2000-03-14 Pacific Scientific Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp
US5691606A (en) 1994-09-30 1997-11-25 Pacific Scientific Company Ballast circuit for fluorescent lamp
US5821699A (en) 1994-09-30 1998-10-13 Pacific Scientific Ballast circuit for fluorescent lamps
US5925986A (en) 1996-05-09 1999-07-20 Pacific Scientific Company Method and apparatus for controlling power delivered to a fluorescent lamp
US5866993A (en) 1996-11-14 1999-02-02 Pacific Scientific Company Three-way dimming ballast circuit with passive power factor correction
US5798617A (en) 1996-12-18 1998-08-25 Pacific Scientific Company Magnetic feedback ballast circuit for fluorescent lamp
US6160361A (en) * 1998-07-29 2000-12-12 Philips Electronics North America Corporation For improvements in a lamp type recognition scheme
US6169375B1 (en) 1998-10-16 2001-01-02 Electro-Mag International, Inc. Lamp adaptable ballast circuit
WO2000024233A2 (en) * 1998-10-16 2000-04-27 Electro-Mag International, Inc. Ballast circuit
AU732605B1 (en) * 2000-06-14 2001-04-26 Brenex Electrics Pty Limited Control circuits for fluorescent tubes
US6677719B2 (en) * 2002-06-03 2004-01-13 Stmicroelectronics, Inc. Ballast circuit
US20050168171A1 (en) 2004-01-29 2005-08-04 Poehlman Thomas M. Method for controlling striations in a lamp powered by an electronic ballast
DE102008031409A1 (de) * 2008-07-02 2010-01-07 Tridonicatco Gmbh & Co. Kg Erkennung des Typs einer an einem Betriebsgerät angeschlossenen Gasentladungslampe
DE102008047440A1 (de) * 2008-09-16 2010-03-25 Tridonicatco Gmbh & Co. Kg Bestimmung des Typs eines Leuchtmittels oder der Topologie mehrerer Leuchtmittel

Family Cites Families (4)

* 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
DE2924331A1 (de) * 1979-06-15 1980-12-18 Siemens Ag Anordnung zum betrieb einer entladungslampe
DE2928490A1 (de) * 1979-07-14 1981-01-29 Frei Hans Joachim Elektrische schaltung zum betreiben von niederdruckentladungslampen
GB2095930A (en) * 1981-03-27 1982-10-06 Stevens Carlile R Constant power ballast

Also Published As

Publication number Publication date
ATE25800T1 (de) 1987-03-15
FI841794A0 (fi) 1984-05-04
EP0127101A1 (de) 1984-12-05
DE3462574D1 (en) 1987-04-09
DE3319352A1 (de) 1984-11-29
EP0127101B1 (de) 1987-03-04
FI841794A (fi) 1984-11-28
FI76906C (sv) 1988-12-12

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MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT