DE20101085U1 - Gas burner - Google Patents

Gas burner

Info

Publication number
DE20101085U1
DE20101085U1 DE20101085U DE20101085U DE20101085U1 DE 20101085 U1 DE20101085 U1 DE 20101085U1 DE 20101085 U DE20101085 U DE 20101085U DE 20101085 U DE20101085 U DE 20101085U DE 20101085 U1 DE20101085 U1 DE 20101085U1
Authority
DE
Germany
Prior art keywords
gas
burner
air ratio
control circuit
control
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
DE20101085U
Other languages
German (de)
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.)
Robert Bosch GmbH
Original Assignee
Buderus Heiztechnik 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 Buderus Heiztechnik GmbH filed Critical Buderus Heiztechnik GmbH
Priority to DE20101085U priority Critical patent/DE20101085U1/en
Publication of DE20101085U1 publication Critical patent/DE20101085U1/en
Priority to DE50105055T priority patent/DE50105055D1/en
Priority to AT01126826T priority patent/ATE287065T1/en
Priority to EP01126826A priority patent/EP1207340B1/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
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/725—Protection against flame failure by using flame detection devices
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/26—Measuring humidity
    • F23N2225/30—Measuring humidity measuring lambda
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/36—Spark ignition, e.g. by means of a high voltage

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Gasbrenner für ein Heizgerät mit einem Feuerungsautomaten, einem Zündbren­ ner, einer Überwachung der Funktion von Zünd- und Hauptbrenner mit einem Verbren­ nungssensor, insbesondere einer Ionisationselektrode als Messelektrode im Flammenbe­ reich, welche in Abhängigkeit von der Verbrennung eine von der Verbrennungstemperatur bzw. dem Lambda-Wert abgeleitete elektrische Größe an zwei parallele Regelschaltungen legt, wobei einerseits das Ionisationssignal durch die Gleichrichterwirkung der Flamme an der Ionisationselektrode entsteht und andererseits ein zusätzliches Flammensignal mit einer wesentlich größeren Zeitkonstante mit einem Flammenverstärker erzeugt und an den Feuerungsautomaten weitergeleitet wird, sowie einer Aufgliederung in einen Haupt- und einen Nebengasstrom mit einem Stellglied zur Einstellung des Gas-/Luft-Verhältnisses, welches in Abhängigkeit von aktuellen Flammensignalen und einem Sollwert geregelt wird, dadurch gekennzeichnet, dass die Regelschaltung (1) für die Einstellung des Gas-/Luft- Verhältnisses außer Betrieb zu nehmen ist und dass die Regelschaltung (2) zur Überwa­ chung der Funktion von Zünd- und Hauptbrenner immer aktiviert ist.1. Gas burner for a heater with an automatic burner control, a pilot burner, monitoring the function of the pilot and main burner with a combustion sensor, in particular an ionization electrode as a measuring electrode in the flame region, which, depending on the combustion, is dependent on the combustion temperature or The electrical variable derived from the lambda value is applied to two parallel control circuits, whereby on the one hand the ionization signal is generated by the rectifying effect of the flame on the ionization electrode and on the other hand an additional flame signal with a much larger time constant is generated with a flame amplifier and passed on to the burner controls, as well as a breakdown into a main and a secondary gas flow with an actuator for adjusting the gas / air ratio, which is controlled in dependence on current flame signals and a setpoint, characterized in that the control circuit ( 1 ) for setting the gas / air ratio is to be taken out of operation and that the control circuit ( 2 ) for monitoring the function of the pilot and main burner is always activated. 2. Gasbrenner nach Anspruch 1, dadurch gekennzeichnet, dass das Stellglied für den Nebengasstrom geschlossen ist, wenn die Funktion zur Einstellung des Gas-/Luft-Verhältnisses außer Betrieb genommen ist.2. Gas burner according to claim 1, characterized in that the actuator for the secondary gas flow is closed, when the function for adjusting the gas / air ratio is taken out of operation is. 3. Gasbrenner nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass am Feuerungsautomaten (4) ein Schalter (5) vorgesehen ist, mit dem die Regelschaltung (1) für die Einstellung des Gas-/Luft-Verhältnisses außer Betrieb zu nehmen ist. 3. Gas burner according to claims 1 and 2, characterized in that a switch ( 5 ) is provided on the automatic firing device ( 4 ) with which the control circuit ( 1 ) for setting the gas / air ratio is to be taken out of operation. 4. Gasbrenner nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass auf der Platine innerhalb des Feuerungsautomaten (4) eine elektrische Steckbrücke einzufügen ist, mit welcher die Regelschaltung (1) für die Einstel­ lung des Gas-/Luft-Verhältnisses außer Betrieb zu nehmen ist.4. Gas burner according to claims 1 and 2, characterized in that an electrical jumper is to be inserted on the circuit board within the burner control ( 4 ) with which the control circuit ( 1 ) for setting the gas / air ratio out of order take is. 5. Gasbrenner nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass in einem zugänglichen Bereich auf der Außenseite des Feuerungsautomaten (4) mit der Regelschaltung (1) verbundene elektrische Kontakte angebracht sind, auf die ein Stecker mit einer integrierten elektrischen Brücke aufzusetzen ist, um die Regelschaltung (1) für die Einstellung des Gas-/Luft-Verhältnisses außer Be­ trieb zu nehmen.5. Gas burner according to claims 1 and 2, characterized in that in an accessible area on the outside of the burner control ( 4 ) with the control circuit ( 1 ) connected electrical contacts are attached, on which a plug with an integrated electrical bridge is to be placed, to take the control circuit ( 1 ) out of operation for setting the gas / air ratio. 6. Gasbrenner nach den Ansprüchen 1, 2 und 5, dadurch gekennzeichnet, dass in einem den elektrischen Kontakten benachbarten, zu­ gänglichen Bereich auf der Außenseite des Feuerungsautomaten (4) eine Parkposition für den Stecker mit der integrierten elektrischen Brücke angebracht ist.6. Gas burner according to claims 1, 2 and 5, characterized in that a parking position for the plug with the integrated electrical bridge is attached in an adjacent to the electrical contacts, accessible area on the outside of the burner control ( 4 ).
DE20101085U 2000-11-18 2001-01-20 Gas burner Expired - Lifetime DE20101085U1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE20101085U DE20101085U1 (en) 2001-01-20 2001-01-20 Gas burner
DE50105055T DE50105055D1 (en) 2000-11-18 2001-11-10 Method for controlling a gas burner
AT01126826T ATE287065T1 (en) 2000-11-18 2001-11-10 METHOD FOR CONTROLLING A GAS BURNER
EP01126826A EP1207340B1 (en) 2000-11-18 2001-11-10 Method of controling a burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20101085U DE20101085U1 (en) 2001-01-20 2001-01-20 Gas burner

Publications (1)

Publication Number Publication Date
DE20101085U1 true DE20101085U1 (en) 2001-04-12

Family

ID=7951920

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20101085U Expired - Lifetime DE20101085U1 (en) 2000-11-18 2001-01-20 Gas burner

Country Status (1)

Country Link
DE (1) DE20101085U1 (en)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010517

R150 Term of protection extended to 6 years

Effective date: 20031112

R081 Change of applicant/patentee

Owner name: ROBERT BOSCH GMBH, DE

Free format text: FORMER OWNER: BUDERUS HEIZTECHNIK GMBH, 35576 WETZLAR, DE

Effective date: 20041227

R081 Change of applicant/patentee

Owner name: ROBERT BOSCH GMBH, DE

Free format text: FORMER OWNER: BBT THERMOTECHNIK GMBH, 35576 WETZLAR, DE

Effective date: 20051221

R151 Term of protection extended to 8 years

Effective date: 20070327

R152 Term of protection extended to 10 years

Effective date: 20090406

R071 Expiry of right