EP0452716A3 - Apparatus for continuous control of electric devices according to the phase chopping principle, especially light dimmer, and the use of such apparatus - Google Patents

Apparatus for continuous control of electric devices according to the phase chopping principle, especially light dimmer, and the use of such apparatus Download PDF

Info

Publication number
EP0452716A3
EP0452716A3 EP19910104831 EP91104831A EP0452716A3 EP 0452716 A3 EP0452716 A3 EP 0452716A3 EP 19910104831 EP19910104831 EP 19910104831 EP 91104831 A EP91104831 A EP 91104831A EP 0452716 A3 EP0452716 A3 EP 0452716A3
Authority
EP
European Patent Office
Prior art keywords
turn
pulse
suggestions
switched
switch element
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
EP19910104831
Other languages
German (de)
Other versions
EP0452716A2 (en
EP0452716B1 (en
Inventor
Dieter Dr. Draxelmayr
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.)
Siemens AG
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 EP0452716A2 publication Critical patent/EP0452716A2/en
Publication of EP0452716A3 publication Critical patent/EP0452716A3/en
Application granted granted Critical
Publication of EP0452716B1 publication Critical patent/EP0452716B1/en
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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices

Landscapes

  • Electronic Switches (AREA)
  • Power Conversion In General (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

An apparatus for stepless control of electric loads by the phase-angle principle includes a semiconductor switch element with main electrodes. A trigger circuit furnishes turn-on pulses for triggering the switch element and includes a detector for the polarity of an instantaneous value of an alternating voltage to be switched, a turn-on pulse pregenerator circuit for furnishing turn-on pulse suggestions, a switch and driver unit, and a decision stage. The decision stage may allow or prevent the turn-on pulse suggestions to be switched through to the switch element, as a function of whether an output signal of the detector has changed its polarity between two of the turn-on pulse suggestions. The decision stage may furnish a blocking signal at least at one input for preventing the turn-on pulse suggestions from being switched through to the switch element, upon the appearance of two turn-on pulse suggestions within one half-wave of the alternating voltage to be switched and in the absence of a turn-on pulse suggestion during one entire half-wave of the alternating voltage to be switched. For brightness control, a transformer has a secondary winding connected to an incandescent bulb and a primary winding connected to one pole of an alternating voltage source and to one main electrode, while another pole of the voltage source is connected to another main electrode.
EP91104831A 1990-04-17 1991-03-26 Apparatus for continuous control of electric devices according to the phase chopping principle, especially light dimmer, and the use of such apparatus Expired - Lifetime EP0452716B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4012255 1990-04-17
DE4012255 1990-04-17

Publications (3)

Publication Number Publication Date
EP0452716A2 EP0452716A2 (en) 1991-10-23
EP0452716A3 true EP0452716A3 (en) 1992-03-11
EP0452716B1 EP0452716B1 (en) 1994-07-27

Family

ID=6404532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91104831A Expired - Lifetime EP0452716B1 (en) 1990-04-17 1991-03-26 Apparatus for continuous control of electric devices according to the phase chopping principle, especially light dimmer, and the use of such apparatus

Country Status (4)

Country Link
US (1) US5148098A (en)
EP (1) EP0452716B1 (en)
AT (1) ATE109320T1 (en)
DE (1) DE59102312D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245272A (en) * 1991-10-10 1993-09-14 Herbert David C Electronic control for series circuits
WO1996002121A1 (en) * 1994-07-08 1996-01-25 Benjamin Barber Low voltage power control

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626250A (en) * 1970-10-16 1971-12-07 Gen Electric Protective circuit for current regulator
DE2429763A1 (en) * 1974-06-21 1976-01-02 Insta Elektro Gmbh & Co Kg Electronic phase control cct for current loads - has triac switching load during supply half-waves via parallel RC element and diac
DE3501994A1 (en) * 1984-01-23 1985-07-25 Canon K.K., Tokio/Tokyo SAFETY DEVICE
GB2217123A (en) * 1988-03-30 1989-10-18 Insta Elektro Gmbh & Co Kg Power control circuit with electronic protection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2362225B2 (en) * 1973-12-14 1980-07-03 Deutsche Itt Industries Gmbh, 7800 Freiburg Device for the brightness selection of the room lighting
DE2543370C3 (en) * 1975-09-29 1981-11-26 SIEMENS AG AAAAA, 1000 Berlin und 8000 München Device for stepless control of electrical consumers according to the phase control principle, in particular brightness regulator
US4396869A (en) * 1979-03-05 1983-08-02 Leviton Manufacturing Company, Inc. Time responsive variable voltage power supply
US4688161A (en) * 1986-07-16 1987-08-18 Vari-Lite, Inc. Regulated power supply apparatus and method using reverse phase angle control
DE3836128A1 (en) * 1987-12-12 1989-07-20 Insta Elektro Gmbh & Co Kg Brightness control circuit for incandescent lamps and switched-mode power supplies
DE3839373C2 (en) * 1988-03-30 1996-09-12 Insta Elektro Gmbh & Co Kg Brightness control circuit for incandescent lamps and switching power supplies with a protection and limiting circuit to maintain an electronic fuse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626250A (en) * 1970-10-16 1971-12-07 Gen Electric Protective circuit for current regulator
DE2429763A1 (en) * 1974-06-21 1976-01-02 Insta Elektro Gmbh & Co Kg Electronic phase control cct for current loads - has triac switching load during supply half-waves via parallel RC element and diac
DE3501994A1 (en) * 1984-01-23 1985-07-25 Canon K.K., Tokio/Tokyo SAFETY DEVICE
GB2217123A (en) * 1988-03-30 1989-10-18 Insta Elektro Gmbh & Co Kg Power control circuit with electronic protection

Also Published As

Publication number Publication date
ATE109320T1 (en) 1994-08-15
EP0452716A2 (en) 1991-10-23
US5148098A (en) 1992-09-15
EP0452716B1 (en) 1994-07-27
DE59102312D1 (en) 1994-09-01

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