EP0708299B1 - Sicherheitsverfahren für Wasserheizungen und atmosphärische Gasbrenner bei Rückstrom der Abgase - Google Patents

Sicherheitsverfahren für Wasserheizungen und atmosphärische Gasbrenner bei Rückstrom der Abgase Download PDF

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Publication number
EP0708299B1
EP0708299B1 EP95402311A EP95402311A EP0708299B1 EP 0708299 B1 EP0708299 B1 EP 0708299B1 EP 95402311 A EP95402311 A EP 95402311A EP 95402311 A EP95402311 A EP 95402311A EP 0708299 B1 EP0708299 B1 EP 0708299B1
Authority
EP
European Patent Office
Prior art keywords
temperature
sensor
threshold
burner
return
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
EP95402311A
Other languages
English (en)
French (fr)
Other versions
EP0708299A1 (de
Inventor
Mohamed Benabdelkarim
Régis Cazin
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.)
Saunier Duval Eau Chaude Chauffage SDECC SA
Original Assignee
Saunier Duval Eau Chaude Chauffage SDECC SA
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 Saunier Duval Eau Chaude Chauffage SDECC SA filed Critical Saunier Duval Eau Chaude Chauffage SDECC SA
Publication of EP0708299A1 publication Critical patent/EP0708299A1/de
Application granted granted Critical
Publication of EP0708299B1 publication Critical patent/EP0708299B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
    • F24H9/2042—Preventing or detecting the return of combustion gases
    • F24H9/205—Closing the energy supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/235—Temperature of exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/36—Control of heat-generating means in heaters of burners

Claims (3)

  1. Sicherheitsverfahren für Wasserheizungen und atmosphärische Gasbrenner bei Rückstrom der Abgase, bei welchem ein einziger, im Rückstrom der Abgase angeordneter Temperaturfühler zum Einsatz kommt, dadurch gekennzeichnet, daß es darin besteht, die Meßwerte der Temperaturschwankung dT/dt des Meßfühlers gegenüber der Zeit und gleichzeitig den augenblicklichen Temperaturmeßwert (T) der rückströmenden Abgase In Verbindung mit der Messung der Brennerbelastung so auszuwerten, daß die Sicherung erst dann erfolgt, wenn der gemessene Temperaturwert über einem entsprechend der Leistung bestimmten Schwellwert liegt,
  2. Sicherheitsverfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Schwellwert zwischen Werten (T1) und (T2) liegt, welche jeweils einem Betrleb der Anlage bei niedriger Leistung und einem Betrleb bei hoher Lelstung entsprechen, und daß der Schwellwert eine lineare Funktlon der Brennerbelastung darstellt.
  3. Sicherheitsverfahren nach Anspruch 1, dadurch gekennzeichnet, daß es darin besteht, die rasche Temperaturveränderung mit Hilfe eines Vergleichers zu speichern, zu dessen Hysterese zwei Schwellwerte gehören und welcher eine Speicherung der Informationen über die rasche Veränderung der Temperatur ermöglicht, die für eine Behinderung im Durchfluß durch die Rauchgasabzugsleitung charakteristisch ist.
EP95402311A 1994-10-20 1995-10-17 Sicherheitsverfahren für Wasserheizungen und atmosphärische Gasbrenner bei Rückstrom der Abgase Expired - Lifetime EP0708299B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9412523A FR2726071B1 (fr) 1994-10-20 1994-10-20 Procede de mise en securite de chauffe-bains et chaudieres atmospheriques a gaz lors du refoulement des produits de combustion
FR9412523 1994-10-20

Publications (2)

Publication Number Publication Date
EP0708299A1 EP0708299A1 (de) 1996-04-24
EP0708299B1 true EP0708299B1 (de) 1998-12-30

Family

ID=9468034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402311A Expired - Lifetime EP0708299B1 (de) 1994-10-20 1995-10-17 Sicherheitsverfahren für Wasserheizungen und atmosphärische Gasbrenner bei Rückstrom der Abgase

Country Status (5)

Country Link
EP (1) EP0708299B1 (de)
AT (1) ATE175266T1 (de)
DE (1) DE69506991T2 (de)
ES (1) ES2126851T3 (de)
FR (1) FR2726071B1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020228C2 (de) * 1980-05-24 1984-08-09 Joh. Vaillant Gmbh U. Co, 5630 Remscheid Sicherheitseinrichtung für brennstoffbeheizte Geräte
DE3527706A1 (de) * 1984-08-15 1986-02-27 Joh. Vaillant Gmbh U. Co, 5630 Remscheid Verfahren zum ermitteln eines abschaltkriteriums eines gasbeheizten geraetes und schaltung zur durchfuehrung des verfahrens
FR2596501B1 (fr) * 1986-03-28 1990-04-27 Sdecc Dispositif de securite pour chaudiere a gaz du type a ventilation mecanique controlee

Also Published As

Publication number Publication date
DE69506991T2 (de) 1999-08-12
EP0708299A1 (de) 1996-04-24
ES2126851T3 (es) 1999-04-01
FR2726071B1 (fr) 1996-12-27
FR2726071A1 (fr) 1996-04-26
DE69506991D1 (de) 1999-02-11
ATE175266T1 (de) 1999-01-15

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