EP1211461A3 - Flammenüberwachungsschaltung - Google Patents

Flammenüberwachungsschaltung Download PDF

Info

Publication number
EP1211461A3
EP1211461A3 EP01128091A EP01128091A EP1211461A3 EP 1211461 A3 EP1211461 A3 EP 1211461A3 EP 01128091 A EP01128091 A EP 01128091A EP 01128091 A EP01128091 A EP 01128091A EP 1211461 A3 EP1211461 A3 EP 1211461A3
Authority
EP
European Patent Office
Prior art keywords
circuit
flame monitoring
evaluation circuit
signal
monitoring circuit
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
EP01128091A
Other languages
English (en)
French (fr)
Other versions
EP1211461A2 (de
EP1211461B1 (de
Inventor
Jochen Grabe
Carsten Wölfl
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.)
Vaillant GmbH
Original Assignee
Vaillant GmbH
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
Priority claimed from AT0181001A external-priority patent/AT414179B/de
Application filed by Vaillant GmbH filed Critical Vaillant GmbH
Priority to AT01128091T priority Critical patent/ATE340969T1/de
Publication of EP1211461A2 publication Critical patent/EP1211461A2/de
Publication of EP1211461A3 publication Critical patent/EP1211461A3/de
Application granted granted Critical
Publication of EP1211461B1 publication Critical patent/EP1211461B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
    • F23N5/123—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods using electronic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Control Of Combustion (AREA)

Abstract

Flammenüberwachungsschaltung mit einer lonisationselektrode (3) und einer Auswerteschaltung (1), die ein digitales Ausgangssignal liefert, und einer Auswerteschaltung (B), die ein analoges Ausgangssignal liefert. Um einen einfachen Aufbau zu ermöglichen, ist vorgesehen, dass lediglich eine Ionisationselektrode (3) vorgesehen ist und die Signaleingänge der Auswerteschaltung (1) an einen Shunt-Widerstand (Rshunt) zur Entkopplung eines dem Gleichstromanteil des lonisationsstromes proportionalen Signales angeschlossen sind, der in einem mit der lonisationselektrode (3) verbundenen Stromkreis eingeschaltet ist, wobei die Auswerteschaltung (B) eine R/C-Schaltung (C1, R1, R2) zur Filterung des Wechselstromanteiles des ausgekoppelten Signales aufweist.
EP20010128091 2000-12-01 2001-11-27 Flammenüberwachungsschaltung Expired - Lifetime EP1211461B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT01128091T ATE340969T1 (de) 2000-12-01 2001-11-27 Flammenüberwachungsschaltung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10061255 2000-12-01
DE10061255 2000-12-01
AT0181001A AT414179B (de) 2001-11-19 2001-11-19 Flammenüberwachungsschaltung
AT18102001 2001-11-19

Publications (3)

Publication Number Publication Date
EP1211461A2 EP1211461A2 (de) 2002-06-05
EP1211461A3 true EP1211461A3 (de) 2004-04-14
EP1211461B1 EP1211461B1 (de) 2006-09-27

Family

ID=25608543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010128091 Expired - Lifetime EP1211461B1 (de) 2000-12-01 2001-11-27 Flammenüberwachungsschaltung

Country Status (5)

Country Link
EP (1) EP1211461B1 (de)
DE (2) DE10159225A1 (de)
DK (1) DK1211461T3 (de)
ES (1) ES2272397T3 (de)
PT (1) PT1211461E (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20090019A1 (it) * 2009-01-14 2010-07-15 Bitron Spa Dispositivo circuitale per la rilevazione della fiamma in un bruciatore di gas
US9696034B2 (en) * 2013-03-04 2017-07-04 Clearsign Combustion Corporation Combustion system including one or more flame anchoring electrodes and related methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627458A (en) * 1968-08-27 1971-12-14 United Gas Industries Ltd Flame detection system
JPS563829A (en) * 1979-06-20 1981-01-16 Seihoku Sangyo Kk Oxygen shortage detecting device for combustion appliance
JPH1019249A (ja) * 1996-06-27 1998-01-23 Toto Ltd 異常燃焼検出装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627458A (en) * 1968-08-27 1971-12-14 United Gas Industries Ltd Flame detection system
JPS563829A (en) * 1979-06-20 1981-01-16 Seihoku Sangyo Kk Oxygen shortage detecting device for combustion appliance
JPH1019249A (ja) * 1996-06-27 1998-01-23 Toto Ltd 異常燃焼検出装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0050, no. 47 (M - 061) 28 March 1981 (1981-03-28) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 05 30 April 1998 (1998-04-30) *

Also Published As

Publication number Publication date
EP1211461A2 (de) 2002-06-05
DE10159225A1 (de) 2002-07-11
PT1211461E (pt) 2007-01-31
DE50111086D1 (de) 2006-11-09
EP1211461B1 (de) 2006-09-27
ES2272397T3 (es) 2007-05-01
DK1211461T3 (da) 2007-01-29

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