DE102004011390B3 - Cooking vessel`s pressure regulating method, involves controlling heating device after completing specified heating period based on parameter of pulse width modulation, and difference between data detected in vessel and reference pressure - Google Patents
Cooking vessel`s pressure regulating method, involves controlling heating device after completing specified heating period based on parameter of pulse width modulation, and difference between data detected in vessel and reference pressure Download PDFInfo
- Publication number
- DE102004011390B3 DE102004011390B3 DE200410011390 DE102004011390A DE102004011390B3 DE 102004011390 B3 DE102004011390 B3 DE 102004011390B3 DE 200410011390 DE200410011390 DE 200410011390 DE 102004011390 A DE102004011390 A DE 102004011390A DE 102004011390 B3 DE102004011390 B3 DE 102004011390B3
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- heater
- cooking chamber
- pulse width
- width modulation
- 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
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 60
- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 title claims description 6
- 230000001276 controlling effect Effects 0.000 title description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 230000004044 response Effects 0.000 claims 4
- 238000011156 evaluation Methods 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000003213 activating effect Effects 0.000 abstract 1
- 238000009835 boiling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
- H05B1/0266—Cooktops
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/08—Bread-toasters
- A47J37/0857—Bread-toasters with bread supports or heating means movable during the toasting operation
-
- 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
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Regeln eines Druckes innerhalb eines im Wesentlichen druckdicht verschließbaren und über eine Heizeinrichtung beheizbaren Garraums auf zumindest einen bestimmten Soll-Druck; und ein Gargerät zum Durchführen solch eines Verfahrens.The The invention relates to a method for controlling a pressure within a substantially pressure-tight closable and heated by a heater Cooking space to at least a certain target pressure; and a cooking appliance for performing such a procedure.
Druckregelverfahren
sind im Stand der Technik gut bekannt, so beispielsweise auch aus
der
Speisen können auf unterschiedliche Weisen durch Temperatureinflüsse gegart werden. Dabei wird vermehrt ein Druckgaren und Dampfdruckgaren eingesetzt. Beim Dampfdruckgaren ist die genaue Kenntnis der Menge an Wasserdampf, insbesondere an gesättigtem Wasserdampf, im Garraum notwendig. Einem durch Wärmezufuhr erzeugten Wasserdampfdruck innerhalb des Garraums läßt sich eine bestimmte Temperatur innerhalb des Garraums zuordnen.Food can cooked in different ways by temperature influences become. Increasingly, a pressure cooking and steam pressure cooking is used. When steam cooking is the exact knowledge of the amount of water vapor, especially saturated Steam, necessary in the cooking chamber. A generated by heat supply water vapor pressure within the cooking chamber can be assign a specific temperature within the cooking chamber.
Aus
der
Die
In
der
Aus der US 2002/0139253 A1 ist ein verbindungsloser Dampfgenerator mit einer automatischen elektrischen Dampffalle bekannt.Out US 2002/0139253 A1 is a connectionless steam generator with an automatic electric steam trap known.
Aufgabe der Erfindung ist es, ein Verfahren zum Regeln eines Druckes innerhalb eines im Wesentlichen druckdicht verschließbaren und über eine Heizeinrichtung beheizbaren Garraums auf zumindest einen bestimmten Soll-Druck zu liefern, bei dem der Druck möglichst einfach und schnell auf den Soll-Druck geregelt werden kann. Diese Regelung soll auch für geringe Wasserfüllmengen des Garraums verläßlich arbeiten.task The invention is a method for controlling a pressure within a substantially pressure-tight closable and heated by a heater Garraums on at least a certain target pressure to deliver at the pressure as simple as possible and can be controlled quickly to the target pressure. This regulation should also for low water quantities the cooking space work reliably.
Diese Aufgabe wird erfindungsgemäß gelöst durch ein Verfahren nach Anspruch 1.These The object is achieved by a method according to claim 1.
Bevorzugte Ausführungsformen des erfindungsgemäßen Verfahrens sind in den Ansprüchen 2 bis 12 beschrieben.preferred embodiments the method according to the invention are in the claims 2 to 12 described.
Ferner wird mit der Erfindung ein Gargerät zum Durchführen eines erfindungsgemäßen Verfahrens nach Anspruch 13 geliefert.Further With the invention, a cooking appliance for performing a inventive method delivered according to claim 13.
Bevorzugte erfindungsgemäße Gargeräte sind in den Ansprüchen 14 bis 16 beschrieben.preferred Cooking devices according to the invention are in the claims 14 to 16 described.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung, in der bevorzugte Ausführungsformen derselben anhand von schematischen Zeichnungen erläutert sind. Dabei zeigt:Further Features and advantages of the invention will become apparent from the following Description, in the preferred embodiments thereof based are explained by schematic drawings. Showing:
Ein
erfindungsgemäßes Gargerät
In
Abhängigkeit
von dem Aufbau des Gargeräts
Wichtig
für einen
ordnungsgemäßen Ablauf eines
Druckgarvorgangs ist es, daß der
sogenannte Feuchtdampf, also der noch nicht völlig gesättigte Wasserdampf, vor dem
Druckgaren aus dem Garraum entwichen ist, so daß sich während des Druckgarprozeßes im Wesentlichen
ausschließlich
gesättigter
Dampf im Garraum befindet, der eine hoch effiziente Wärmeübertragung
auf nicht dargestelltes Gargut sicherstellt. Eine Erhöhung des
Drucks im Garraum bewirkt eine Erhöhung der Siedetemperatur des
Wassers im Garraum, wie sich auch aus den Dampfdruckkurven gemäß
Vor
Durchführung
eines erfindungsgemäßen Druckregelverfahrens
müssen
Erfahrungswerte erhalten und in die Speichereinheit
Das
eingefüllte
Wasser wird sodann bis zum Sieden erhitzt bei geöffnetem Druckablaßventil
Im
Anschluß an
die Aufnahme von den in
Phase 1Phase 1
Zu
Beginn werden die Heizelemente
Phase 2Phase 2
Das
Druckablaßventil
Phase 3Phase 3
Die
Heizelemente
Phase 4Phase 4
Nach
Ablauf der in Phase 2 bestimmten Heizdauer werden die Heizelemente
Phase 5Phase 5
In
der Phase 5 wird ein Regelalgorithmus gestartet, bei dem im Wesentlichen
den Heizelementen
Während der
Phase 2 werden auch die Parameter der Pulsweitenmodulation vorbestimmt,
und zwar insbesondere die Einschaltzeit sowie die Taktdauer derselben.
Ebenso werden eine obere Druckgrenze und eine untere Druckgrenze
bestimmt, beispielsweise in der Größenordnung von 3 mbar oberhalb
bzw. unterhalb des Soll-Drucks. Die Pulsweitenmodulation läuft grundsätzlich wie
folgt:
Die Heizelemente
The heating elements
Überschreitet
jedoch der erfaßte
Druck die obere Druckgrenze, beispielsweise um 5 mbar, wie in
Mit
dem erfindungsgemäßen Druckregelungsverfahren
läßt sich
in einem Gargerät
gemäß
- 11
- GargerätCooking appliance
- 22
- Tiegelcrucible
- 33
- Deckelcover
- 44
- Dichtelementsealing element
- 55
- Heizelementheating element
- 66
- Drucksensorpressure sensor
- 77
- ÜberdruckventilPressure relief valve
- 88th
- DruckablassventilPressure release valve
- 99
- Regeleinheitcontrol unit
- 1010
- Speichereinheitstorage unit
Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410011390 DE102004011390B3 (en) | 2004-03-05 | 2004-03-05 | Cooking vessel`s pressure regulating method, involves controlling heating device after completing specified heating period based on parameter of pulse width modulation, and difference between data detected in vessel and reference pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410011390 DE102004011390B3 (en) | 2004-03-05 | 2004-03-05 | Cooking vessel`s pressure regulating method, involves controlling heating device after completing specified heating period based on parameter of pulse width modulation, and difference between data detected in vessel and reference pressure |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004011390B3 true DE102004011390B3 (en) | 2005-10-06 |
Family
ID=34980834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200410011390 Expired - Lifetime DE102004011390B3 (en) | 2004-03-05 | 2004-03-05 | Cooking vessel`s pressure regulating method, involves controlling heating device after completing specified heating period based on parameter of pulse width modulation, and difference between data detected in vessel and reference pressure |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102004011390B3 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008012681A1 (en) * | 2008-03-05 | 2009-09-17 | Rational Ag | Ventilation valve for use in cooking appliance, has metal body exposed to magnetic field, generated by electromagnet, such that valve member is relatively displaced to valve seat by influence of magnetic field |
DE102012100819A1 (en) | 2012-02-01 | 2013-08-01 | Frima-T Sas | Method for slow-cooking of e.g. soup, in pressure-tight sealable cooking device, involves allowing temperature of liquid to be greater than or equal to temperature value to perform thermal convection |
DE102012101429A1 (en) | 2012-02-22 | 2013-08-22 | Frima-T Sas | Method for cooking food such as potato in cooking space of cooking appliance, involves increasing and reducing pressure inside cooking space at specific stages and performing time-controlled cooking process |
DE102014108326A1 (en) | 2014-06-13 | 2015-12-17 | Frima International Ag | Process for pressure cooking and cooking device |
EP2692268B2 (en) † | 2011-07-06 | 2020-12-09 | MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG | A method for reducing the pressure in the cooking chamber of a pressure cooker |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2027612A (en) * | 1978-08-10 | 1980-02-27 | Meyer Aluminium Ltd | Pressure Cooker |
DE3702975A1 (en) * | 1987-02-02 | 1988-08-11 | Liebing Geb Wittig Barbara | Start-up control for pressure cookers with consideration of the filling amount |
DE19700602A1 (en) * | 1997-01-10 | 1998-07-16 | Fissler Gmbh | Pressure cooker for preparation of food |
DE19711291A1 (en) * | 1997-03-18 | 1998-09-24 | Bosch Siemens Hausgeraete | Process for regulating thermal paths and heating devices in household appliances |
US20020139253A1 (en) * | 2001-03-27 | 2002-10-03 | Mark Manganiello | Connectionless food steamer with automatic electric steam trap |
-
2004
- 2004-03-05 DE DE200410011390 patent/DE102004011390B3/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2027612A (en) * | 1978-08-10 | 1980-02-27 | Meyer Aluminium Ltd | Pressure Cooker |
DE3702975A1 (en) * | 1987-02-02 | 1988-08-11 | Liebing Geb Wittig Barbara | Start-up control for pressure cookers with consideration of the filling amount |
DE19700602A1 (en) * | 1997-01-10 | 1998-07-16 | Fissler Gmbh | Pressure cooker for preparation of food |
DE19711291A1 (en) * | 1997-03-18 | 1998-09-24 | Bosch Siemens Hausgeraete | Process for regulating thermal paths and heating devices in household appliances |
US20020139253A1 (en) * | 2001-03-27 | 2002-10-03 | Mark Manganiello | Connectionless food steamer with automatic electric steam trap |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008012681A1 (en) * | 2008-03-05 | 2009-09-17 | Rational Ag | Ventilation valve for use in cooking appliance, has metal body exposed to magnetic field, generated by electromagnet, such that valve member is relatively displaced to valve seat by influence of magnetic field |
DE102008012681B4 (en) * | 2008-03-05 | 2015-09-03 | Rational Ag | Cooking device with a ventilation valve |
EP2692268B2 (en) † | 2011-07-06 | 2020-12-09 | MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG | A method for reducing the pressure in the cooking chamber of a pressure cooker |
DE102012100819A1 (en) | 2012-02-01 | 2013-08-01 | Frima-T Sas | Method for slow-cooking of e.g. soup, in pressure-tight sealable cooking device, involves allowing temperature of liquid to be greater than or equal to temperature value to perform thermal convection |
DE102012101429A1 (en) | 2012-02-22 | 2013-08-22 | Frima-T Sas | Method for cooking food such as potato in cooking space of cooking appliance, involves increasing and reducing pressure inside cooking space at specific stages and performing time-controlled cooking process |
DE102014108326A1 (en) | 2014-06-13 | 2015-12-17 | Frima International Ag | Process for pressure cooking and cooking device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of patent without earlier publication of application | ||
8364 | No opposition during term of opposition | ||
R084 | Declaration of willingness to licence | ||
R071 | Expiry of right |