DE50110866D1 - Flame detector circuit - Google Patents

Flame detector circuit

Info

Publication number
DE50110866D1
DE50110866D1 DE50110866T DE50110866T DE50110866D1 DE 50110866 D1 DE50110866 D1 DE 50110866D1 DE 50110866 T DE50110866 T DE 50110866T DE 50110866 T DE50110866 T DE 50110866T DE 50110866 D1 DE50110866 D1 DE 50110866D1
Authority
DE
Germany
Prior art keywords
burner
detector circuit
flame detector
compensating
ionization electrode
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
Application number
DE50110866T
Other languages
German (de)
Inventor
Jochen Grabe
Carsten Woelfl
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
Application filed by Vaillant GmbH filed Critical Vaillant GmbH
Priority to DE50110866T priority Critical patent/DE50110866D1/en
Application granted granted Critical
Publication of DE50110866D1 publication Critical patent/DE50110866D1/en
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

Abstract

The burner monitoring circuit has a changeover voltage (Uion) connected ionization electrode (Iioni) mounted adjacent to the burner flame. It has an evaluation monitor connected to a compensating voltage source (Ub) with a ionization electrode current flow controlled transistor (T152). The negative pole of the compensating source (Ub) is connected to the burner mass. The positive pole is connected to a deep pass filter (C154) to the ionisation electrode.
DE50110866T 2000-12-01 2001-11-24 Flame detector circuit Expired - Lifetime DE50110866D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50110866T DE50110866D1 (en) 2000-12-01 2001-11-24 Flame detector circuit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10061252 2000-12-01
AT8622001 2001-06-05
DE50110866T DE50110866D1 (en) 2000-12-01 2001-11-24 Flame detector circuit

Publications (1)

Publication Number Publication Date
DE50110866D1 true DE50110866D1 (en) 2006-10-12

Family

ID=25608447

Family Applications (2)

Application Number Title Priority Date Filing Date
DE50110866T Expired - Lifetime DE50110866D1 (en) 2000-12-01 2001-11-24 Flame detector circuit
DE10159032A Withdrawn DE10159032A1 (en) 2000-12-01 2001-11-26 Burner monitoring circuit has changeover voltage connected to ionization electrode with evaluation monitor connected to compensating voltage source

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE10159032A Withdrawn DE10159032A1 (en) 2000-12-01 2001-11-26 Burner monitoring circuit has changeover voltage connected to ionization electrode with evaluation monitor connected to compensating voltage source

Country Status (5)

Country Link
EP (1) EP1211460B1 (en)
AT (1) ATE338250T1 (en)
DE (2) DE50110866D1 (en)
DK (1) DK1211460T3 (en)
ES (1) ES2270940T3 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1277402A (en) * 1968-08-27 1972-06-14 United Gas Industries Ltd Flame detection system
NL8401173A (en) * 1984-04-12 1985-11-01 Philips Nv FLAME PROTECTION CIRCUIT.
GB8906235D0 (en) * 1989-03-17 1989-05-04 Cambridge Instr Ltd Flame detection apparatus and method
US5472336A (en) * 1993-05-28 1995-12-05 Honeywell Inc. Flame rectification sensor employing pulsed excitation
JP3219006B2 (en) 1997-01-29 2001-10-15 トヨタ自動車株式会社 Power output device

Also Published As

Publication number Publication date
EP1211460A3 (en) 2004-04-14
ES2270940T3 (en) 2007-04-16
DE10159032A1 (en) 2002-09-12
EP1211460B1 (en) 2006-08-30
ATE338250T1 (en) 2006-09-15
EP1211460A2 (en) 2002-06-05
DK1211460T3 (en) 2007-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition