EP0632232B1 - Herd mit pyrolytischer Selbstreinigung - Google Patents
Herd mit pyrolytischer Selbstreinigung Download PDFInfo
- Publication number
- EP0632232B1 EP0632232B1 EP94108227A EP94108227A EP0632232B1 EP 0632232 B1 EP0632232 B1 EP 0632232B1 EP 94108227 A EP94108227 A EP 94108227A EP 94108227 A EP94108227 A EP 94108227A EP 0632232 B1 EP0632232 B1 EP 0632232B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oven
- cleaning
- pyrolytic self
- self
- time
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
- F24C14/02—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning pyrolytic type
Definitions
- the invention relates to a stove with pyrolytic Self-cleaning, the muffle by one in at least one Wall area arranged heating element and optionally with additional air heating can be operated, the muffle ventilated by a forced air fan and with pyrolytic agents Self-cleaning is equipped and in the exhaust air the muffle is a gas sensor connected to an evaluation unit is arranged.
- a stove with pyrolytic Self-cleaning the muffle by one in at least one Wall area arranged heating element and optionally with additional air heating can be operated, the muffle ventilated by a forced air fan and with pyrolytic agents Self-cleaning is equipped and in the exhaust air the muffle is a gas sensor connected to an evaluation unit is arranged.
- the energy consumption in the previously known methods of pyrolytic self-cleaning to eliminate the above Soiling was defined by one on one Time kept high temperature marked from 480 to 500 °.
- the object of the invention is that for the pyrolytic Self-cleaning process required heating energy to a necessary Minimize dimensions without affecting existing ones Herds major changes need to be made.
- FIG. 1 shows this in the course of the curve 2.
- the curve profile according to FIG. 1 according to FIG. 1 is what has already been said removable, i.e. a heating-up time of 40 minutes, a holding time of 80 minutes and the one that starts afterwards Cooling process without heating operation. You want the pyrolysis process improve energetically, i.e.
- the duration of the heating-up time depends on which stove-specific designs and sizes of the cooking space, how far the stove is when the Pyrolysis is already warmed up and how high the Mains voltage during the pyrolysis period. According to Fig. 1 of the curve profile 1 can be seen that at one Starting temperature of 200 ° C after an oven process the pyrolysis heating-up time can be shortened significantly, with the subsequent standard holding time of 80 minutes consequently the process faster and less energy.
- FIG. 2 a diagram is shown which uses the prevailing mains voltage as a parameter and, depending on the starting temperature, indicates the shortening of the heating-up time that then occurs.
- the reference numerals 3 to 8 mean different parameters of the mains voltage.
- Reference number 3 corresponds to a mains voltage of 215 V
- Reference number 4 corresponds to a mains voltage of 220 V
- Reference number 5 corresponds to a mains voltage of 225 V
- Reference number 6 corresponds to a mains voltage of 230 V
- Reference number 7 corresponds to a mains voltage of 235 V
- Reference number 8 corresponds to a mains voltage of 240 V.
- the evaluation unit is dependent of the real mains voltage for the respective Oven outlet temperature as parameter the heating time corrected.
- the evaluation unit ends the pyrolytic Self-cleaning process after a holding time of approx. 80 minutes, the holding time when the pyrolysis setpoint temperature is reached, which depends on the degree of pollution analysis, begins.
- the holding time is the maximum guideline time understand an underlying time can from the evaluation unit be specified when the degree of pollution analysis this justifies.
- the evaluation unit breaks after the total time by the heating time and the holding time given, the self-cleaning heating process of 120 minutes from.
- the evaluation unit makes sense that do not exceed an upper pyrolysis temperature of 480 ° C otherwise the enamelled parts of the stove interior Get damaged. Therefore the evaluation unit as the maximum pyrolysis setpoint temperature of 480 ° C.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Electric Stoves And Ranges (AREA)
- Catching Or Destruction (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
- Fig. 1
- ein Temperaturzeitprofil für das pyrolytische Reinigungsverfahren,
- Fig. 2
- ein Temperaturzeitkurvenbild mit der Netzspannung als Parameter.
Bezugszeichen 3 entspricht einer Netzspannung von 215 V,
Bezugszeichen 4 entspricht einer Netzspannung von 220 V,
Bezugszeichen 5 entspricht einer Netzspannung von 225 V,
Bezugszeichen 6 entspricht einer Netzspannung von 230 V,
Bezugszeichen 7 entspricht einer Netzspannung von 235 V und
Bezugszeichen 8 entspricht einer Netzspannung von 240 V.
Claims (6)
- Herd mit pyrolytischer Selbstreinigung, dessen Muffel durch ein in wenigstens einem Wandbereich angeordnetes Heizelement und gegebenenfalls mit zusätzlicher Umluftheizung betreibbar ist, wobei die Muffel durch ein Umluftgebläse belüftbar und mit Mitteln zur pyrolytischen Selbstreinigung ausgerüstet ist und im Abluftweg der Muffel ein mit einer Auswerteeinheit verbundener Gassensor angeordnet ist, dadurch gekennzeichnet, daß die Auswerteeinheit dem Benutzer einen pyrolytischen Selbstreinigungsvorgang dann vorschlägt, wenn ein sensorüberwachter, definierter Verschmutzungsgrad vorliegt, und wenn ein Backofengarungsvorgang beendet ist und wenn die Backofenstarttemperatur in einem in der Auswerteeinheit abfragbaren Backofenstarttemperatur-Aufheizzeit - Profil hegt, wobei die Backofenstarttemperatur die Starttemperatur fur den pyrolytischen Selbstreinigungsvorgang ist und die Aufheizzeit die Zeit ist, während der der Herd auf eine Selbstreinigungstemperatur gebracht wird, und wobei die Auswerteeinheit den pyrolytischen Selbstreinigungsvorgang nach einer Haltezeit für den pyrolytischen Selbstreinigungsvorgang von bis zu etwa 80 Minuten benndet.
- Herd mit pyrolytischer Selbstreinigung nach Anspruch 1, dadurch gekennzeichnet, daß die Backofenmindeststarttemperatur 130° C beträgt.
- Herd mit pyrolytischer Selbstreinigung nach Anspruch 1, dadurch gekennzeichnet, daß die Auswerteeinheit in Abhängigkeit von der realen Netzspannung die jeweilige Backofenstarttemperatur als Parameter die Aufheizzeit korrigiert.
- Herd mit pyrolytischer Selbstreinigung nach Anspruch 1 dadurch gekennzeichnet, daß die Haltezeit mit Erreichen einer Pyrolysesollwerttemperatur, die von der Verschmutzungsgradanalyse abhängt, beginnt.
- Herd mit pyrolytischer Selbstreinigung nach Anspruch 1, 4, dadurch gekennzeichnet, daß die Auswerteeinheit als maximale Pyrolysesollwerttemperatur 480° C zuläßt.
- Herd mit pyrolytischer Selbstreinigung nach Anspruch 1, dadurch gekennzeichnet, daß die Auswerteeinheit einen vom Benutzer befohlenen Pyrolyseselbstreinigungsvorgang spätestens nach 120 Minuten abbricht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4321952A DE4321952B4 (de) | 1993-07-01 | 1993-07-01 | Herd mit pyrolitischer Selbstreinigung |
DE4321952 | 1993-07-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0632232A1 EP0632232A1 (de) | 1995-01-04 |
EP0632232B1 true EP0632232B1 (de) | 1999-01-20 |
Family
ID=6491733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94108227A Expired - Lifetime EP0632232B1 (de) | 1993-07-01 | 1994-05-27 | Herd mit pyrolytischer Selbstreinigung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0632232B1 (de) |
AT (1) | ATE176041T1 (de) |
DE (2) | DE4321952B4 (de) |
ES (1) | ES2130308T3 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3035482B1 (fr) | 2015-04-21 | 2018-09-14 | Groupe Brandt | Appareil de cuisson mettant en oeuvre un cycle de nettoyage par pyrolyse |
DE102020121587A1 (de) * | 2020-08-18 | 2022-02-24 | Miele & Cie. Kg | Pyrolytische Reinigung eines Gargerätes |
DE102021202127A1 (de) | 2021-03-04 | 2022-09-08 | BSH Hausgeräte GmbH | Betreiben eines pyrolysefähigen Haushaltsgargeräts |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2623884B1 (fr) * | 1987-11-27 | 1990-10-26 | Europ Equip Menager | Procede de controle du temps de chauffage pour un nettoyage par pyrolyse d'un four de cuisson, et four de cuisson mettant en oeuvre le procede |
DE3924782A1 (de) * | 1989-07-26 | 1991-01-31 | Bosch Siemens Hausgeraete | Herd mit pyrolytischer selbstreinigung der muffel |
DE4017628A1 (de) * | 1990-05-31 | 1991-12-05 | Bosch Siemens Hausgeraete | Herd mit pyrolytischer selbstreinigung |
DE4127390A1 (de) * | 1991-08-19 | 1993-02-25 | Bosch Siemens Hausgeraete | Automatisierbares, pyrolytisches selbstreinigungsverfahren |
DE4127389A1 (de) * | 1991-08-19 | 1993-02-25 | Bosch Siemens Hausgeraete | Herd mit sensorgesteuerter pyrolyse |
-
1993
- 1993-07-01 DE DE4321952A patent/DE4321952B4/de not_active Expired - Fee Related
-
1994
- 1994-05-27 EP EP94108227A patent/EP0632232B1/de not_active Expired - Lifetime
- 1994-05-27 ES ES94108227T patent/ES2130308T3/es not_active Expired - Lifetime
- 1994-05-27 DE DE59407676T patent/DE59407676D1/de not_active Expired - Fee Related
- 1994-05-27 AT AT94108227T patent/ATE176041T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE176041T1 (de) | 1999-02-15 |
DE4321952B4 (de) | 2004-05-27 |
ES2130308T3 (es) | 1999-07-01 |
DE59407676D1 (de) | 1999-03-04 |
DE4321952A1 (de) | 1995-01-12 |
EP0632232A1 (de) | 1995-01-04 |
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