EP1489363A1 - Méthode de calibrage d'appareil de cuisson et appareil de cuisson - Google Patents

Méthode de calibrage d'appareil de cuisson et appareil de cuisson Download PDF

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Publication number
EP1489363A1
EP1489363A1 EP03291477A EP03291477A EP1489363A1 EP 1489363 A1 EP1489363 A1 EP 1489363A1 EP 03291477 A EP03291477 A EP 03291477A EP 03291477 A EP03291477 A EP 03291477A EP 1489363 A1 EP1489363 A1 EP 1489363A1
Authority
EP
European Patent Office
Prior art keywords
heating
temperature measuring
cell
measuring device
cells
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.)
Granted
Application number
EP03291477A
Other languages
German (de)
English (en)
Other versions
EP1489363B1 (fr
Inventor
Pascal Gluck
Peter Wiedemann
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.)
Rational AG
Frima SA
Original Assignee
Rational AG
Frima 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 Rational AG, Frima SA filed Critical Rational AG
Priority to EP20030291477 priority Critical patent/EP1489363B1/fr
Priority to DE50303198T priority patent/DE50303198D1/de
Publication of EP1489363A1 publication Critical patent/EP1489363A1/fr
Application granted granted Critical
Publication of EP1489363B1 publication Critical patent/EP1489363B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
    • 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
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/102—Tops, e.g. hot plates; Rings electrically heated
    • F24C15/105—Constructive details concerning the regulation of the temperature
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/07—Heating plates with temperature control means

Definitions

  • the invention relates to a method for calibrating, in particular the control unit, cooking appliances, comprising a plurality of hot plates, and a cooking appliance with a Gar Formation a food support, comprising a plurality of heating plates.
  • Cooking appliances with a variety of hot plates are known. Especially in the restaurant, Commercial kitchens or canteen companies use cooking appliances with large heating surfaces. which are composed of a large number of individual heating plates. The heating of the For example, when grilling meat, the entire cooking surface causes juice to escape the meat comes out, is heated so much that it partially evaporates, while others, in the essential solid constituents of the meat burn on the cooking surface or in this branding. Furthermore, as usually not the entire heated cooking surface is covered with food is, part of the energy applied during the cooking process unused.
  • a generic cooking appliance with a grill surface which by arranging a plurality of individually controllable via a microprocessor Heating elements is divided into a variety of segments. Via an input unit can set values for temperature, volume, cooking time and the like in the microprocessor entered, in which a comparison with corresponding, recorded actual values takes place, to be able to specifically control the individual heating elements.
  • a disadvantage of this Cooking device is, however, that a user inputs undefined values for a feed, so that an unwanted areawise evaporation of liquid as well as an areawise Burning of solid substances and the like is still unavoidable.
  • a further disadvantage is that due to the large number of plates errors in the production Such cooking appliances are often not completely avoidable, creating an exact assignment the heating plates to suitable temperature sensors via the control unit often unsatisfactory. This is then regularly inadequate Control of the cooking process and as a direct consequence of this an unsatisfactory cooking success.
  • DE 40 22 846 C2 discloses a device for power control and limitation in a heating surface made of glass ceramic with at least one heating zone containing a heating device.
  • This heater can be made up of two or more independently switchable and controllable heating elements, which are assigned to a heating zone, put together.
  • glass ceramic temperature measuring resistors are incorporated into the glass ceramic heating surface, which are assigned to each heating element of a heating zone.
  • a control and regulating device is in operative connection with the glass ceramic temperature measuring resistors and controls and limits the power supply depending on the registered signals the heating elements associated with the measuring resistors.
  • the device according to DE 40 22 Essentially, 846 C2 is designed to provide a cooking zone via a cooking zone supplied power is optimally adapted to its quality and size. For example Good quality pots are given full output due to good heat extraction Provided. However, the arrangement according to DE 40 22 846 C2 is not readily transferred to the use of a variety of hot plates.
  • DE 197 01 640 A1 discloses a cooking system, in which preferably only partial areas the underside of the hotplate body with heating resistors in the form of e.g. Tile are provided. With the aid of temperature limiter sensors distributed over the cooking area The heating resistors should selectively switch off in their respective area or let down. The temperature limiter sensors are usually in Shape of a sensor layer before.
  • DE 197 01 640 A1 is essentially based on a Contact heat transferring electric hotplate, which consists of a non-oxide ceramic, in particular Silicon nitride, consists. A very thin hotplate body is designed in this way that over a perfectly adapted in its shape to a cooking vessel surface a very small Gap between cooking plate body and cooking vessel is created. Notes on cooking appliances containing a large number of heating plates go from DE 197 01 640 A1 but not out.
  • DE 196 46 959 C2 discloses the use of a thermocouple in a glass ceramic hob, wherein this sensor mounted in the region of the burner body of a gas burner and is connected to the burner body directly or indirectly thermally conductive.
  • Thermocouple is here only for qualitative indication of the respective temperature condition the cooking zone provided.
  • the thermocouple is in the device according to DE 196 46 959 Otherwise, C2 is not attached in such a way that it leads to an exact temperature measurement could be used.
  • the present invention was therefore the object of a cooking appliance available to provide that is not subject to the disadvantages of the prior art and in particular a reliable and energy-saving use of large Garroch containing a variety of hot plates, allows.
  • a further object of the invention was to provide a method which can be ensured in a simple and uncomplicated way, that too Cooking devices with a very large cooking surface, comprising a large number of individual heating plates, one proper operation can be guaranteed at each restart.
  • a cooking appliance was found with a Gar Structure a Gargutlinis on a plurality of heating cells, in particular heating plates, is provided, each heating cell at least one heating element, wherein the heating cell and / or the heating element with is connected to a control and / or regulating device, the at least one temperature measuring device, in particular a thermocouple, per heating cell for guiding a Cooking method depending on the coverage of the heating cells with food and / or for self-calibration the control and / or regulating unit of the cooking appliance has.
  • thermocouples are e.g. Measuring resistors, IR sensors and bimetals and in particular thermocouples suitable.
  • the cooking appliance can be at least partially thermal Isolation of individual heating cells from each other.
  • the cooking appliance can at least one heating element, in particular a measurable heating resistor, per heating cell, one weight sensor per heating cell and / or one optical detection unit for each heating cell.
  • control and / or regulating device in operative connection with temperature measuring devices, heating elements, weight sensors, the optical detection unit (s), at least one Garreasler, at least is partially inserted into a food, a storage unit, an input unit, a Display unit and / or an output unit is.
  • Suitable cooking appliances are also characterized in particular by the fact that at least one Temperature measuring device, in particular a thermocouple, in particular centrally, on or is arranged or can be arranged in the heating cell, in particular in an omission of the heating cell.
  • at least one Temperature measuring device in particular a thermocouple, in particular centrally, on or is arranged or can be arranged in the heating cell, in particular in an omission of the heating cell.
  • At least one heating cell to a variety Heating elements, in particular arranged in rows and columns comprises.
  • the heating elements constitute heating resistors which partially or completely via a series and / or parallel circuit with each other connectable or connected.
  • thermocouple of a particular heating cell it has proved to be particularly useful if at least one, in particular each, heating cell via the control unit identifiable, selectable and / or controllable is and / or that at least one, in particular each, temperature measuring device, over the control unit is identifiable and / or selectable and / or at least in particular, each thermocouple of a particular heating cell can be assigned.
  • steps a) to d) be repeated, wherein instead of an already assigned first heating cell one not yet assigned second heating cell is selected.
  • the process underlying the present invention is further achieved by a method for calibrating, in particular the control unit, a cooking appliance, in particular a cooking appliance according to the invention, comprising a plurality of heating cells, in particular heating plates, a control and regulating unit, and at least one temperature measuring device, in particular a thermocouple, per heating cell, each heating cell over the control unit can be specifically identified, activated and / or controlled, wherein all heating cells or all but one heating cell at the same time or almost simultaneously with each heated to an individual, distinguishable AufMapmuster, the Heating behavior of each heating cell detected via at least one temperature measuring device and / or stored, the adjusted for each heating cell heating pattern adjusted is used with the detected over the temperature measuring devices heating behavior and wherein heating cells and temperature measuring devices operating in the underlying heating pattern and the actual heating behavior correspond to each other and, where appropriate, this assignment is stored and / or via the control and / or control unit is retrievable.
  • steps a) to d), in particular to all the heating cells at least one temperature measuring device, in particular at least one thermocouple, are assigned, wherein instead of an already assigned first Temperature measuring device a not yet assigned second temperature measuring device is selected and the already assigned (s) heating cell (s) is no longer heated will or will be.
  • a method for calibrating, in particular the control unit, a cooking appliance, in particular a cooking appliance according to the invention comprising a plurality of heating cells and a control unit, each heating cell having at least one temperature measuring device, in particular at least one thermocouple, and wherein each Temperature measuring device via a control and regulation unit identifiable and / or selectable is, with all the heating cells or all but one heating cell at the same time or almost be heated at the same time according to an individual, distinguishable heating pattern, wherein the heating behavior of the heating cells via the temperature measuring devices associated therewith registered and / or stored, which via the temperature measuring devices Detected heating behavior with the heating patterns stored for each heating cell is adjusted, with temperature measuring devices and heating cells whose AufloomGerman and Aufloom correspond, are assigned to each other and where if necessary, this assignment is stored, and / or via the control and / or Control unit is available.
  • the invention was based on the surprising finding that even large cooking appliances, comprising a large number of individual heating plates, in continuous operation on reliable and operate in an energy-efficient manner.
  • no special care must be taken must to ensure that mutually associated hotplates and thermocouples be brought together in the correct manner in the control and / or regulating device.
  • the cooking appliance 1 comprises a food support 10 with a Gar Structure 100, de in turn divided into individual heating cells 101 to 114.
  • the subdivision of Cooking surface 100 is achieved in that each heating cell 101 to 114 at least one heating element 2 and can be heated via this by means of thermal contact.
  • the heating cells 101 to 114 in addition to a thermocouple, for example, via a weight sensor 3 and an optical detection unit 4 and with a Garreasler be equipped.
  • FIG. 2 shows the perspective view of a heating cell, e.g. the heating cell 101.
  • the heating cell 101 is composed of a plurality of heating elements 201 to 220, in rows and columns arranged side by side and as interconnected individual heating resistors are formed.
  • the heating cell 101 is connected via fastening means, e.g. Screws, 250 attached to the food support 10 to 253.
  • the heating cells 101 to 114 and the heating elements 2 of all heating cells 101 to 114 is or are connected to a control and / or regulating unit, not shown.
  • This tax and / or Control unit is in turn with a memory unit (not shown), an input unit (not shown) of an output unit (not shown) connected.
  • thermocouple 20 protrudes, around the temperature, which is located approximately at the same height heating elements 201 bis 220 of the respective heating cell record.
  • the heating cells 101 to 114 or the heating elements 201 to 220 of the respective heating cells 101 to 114 are connected via lines each with a control and / or regulating unit.
  • the thermocouples 20 with the control and / or control unit directly or indirectly.
  • each heating cell 101 to 114 via the control and / or regulating unit individually and selectively controllable, but of not given a clear assignment of heating cells and thermocouples.
  • thermocouple when starting up the cooking appliance. Regularly it is enough for one clear assignment already off, if all but one heating cell are controlled, if one thermocouple is provided per heating cell. Even with cooking appliances with a very large Number of separate heating cells, it is thus possible in an uncomplicated way, a unique To obtain assignment between mutually belonging heating plates and thermocouples.
  • the reliability of the assignment can be increased, for example, by the fact that Setting a characteristic heating program for each heating cell via the input unit and make sure that a corresponding one of the associated thermocouple Heating pattern is detected.
  • characteristic heating programs For each heating cell, it is also possible to dispense with each heating cell successively heat. Rather, all the heating cells can then simultaneously or almost be heated simultaneously, whereby the calibration process at startup again can be greatly shortened.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Baking, Grill, Roasting (AREA)
  • Control Of Resistance Heating (AREA)
EP20030291477 2003-06-18 2003-06-18 Méthode de calibrage d'appareil de cuisson Expired - Lifetime EP1489363B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20030291477 EP1489363B1 (fr) 2003-06-18 2003-06-18 Méthode de calibrage d'appareil de cuisson
DE50303198T DE50303198D1 (de) 2003-06-18 2003-06-18 Verfahren zur Kalibrierung von Gargeräten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20030291477 EP1489363B1 (fr) 2003-06-18 2003-06-18 Méthode de calibrage d'appareil de cuisson

Publications (2)

Publication Number Publication Date
EP1489363A1 true EP1489363A1 (fr) 2004-12-22
EP1489363B1 EP1489363B1 (fr) 2006-05-03

Family

ID=33396034

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EP20030291477 Expired - Lifetime EP1489363B1 (fr) 2003-06-18 2003-06-18 Méthode de calibrage d'appareil de cuisson

Country Status (2)

Country Link
EP (1) EP1489363B1 (fr)
DE (1) DE50303198D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005052274A1 (de) * 2005-10-27 2007-05-03 E.G.O. Elektro-Gerätebau GmbH Kochgerät
DE102016012036A1 (de) * 2016-10-11 2018-04-12 Diehl Ako Stiftung & Co. Kg Gargutträger zum Aufnehmen von Gargut in einem Gargerät und Gargerät mit einem solchen Gargutträger

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985005528A1 (fr) * 1984-05-10 1985-12-05 Kopal Försäljnings Ab Dispositif de chauffage
US4761539A (en) * 1987-04-13 1988-08-02 The Tappan Company Oven calibration system having variable stored calibration value
DE4007680A1 (de) * 1990-03-10 1991-09-19 Grass Ag Heizplatte
US5491423A (en) * 1993-03-15 1996-02-13 Whirlpool Europe B.V. Device for detecting the presence of a food container, such as a saucepan, dish or the like, on a glass ceramic cooking hob
WO1997019298A1 (fr) * 1995-11-21 1997-05-29 Aktiebolaget Electrolux Surface de cuisson et son systeme de commande
DE19701640A1 (de) * 1997-01-10 1998-07-16 Ego Elektro Geraetebau Gmbh Kontaktwärmeübertragendes Kochsystem mit einer Elektro-Kochplatte
DE19821439A1 (de) * 1998-05-13 1999-11-18 Bsh Bosch Siemens Hausgeraete Sensorgesteuerte Garungseinheit mit Selbstkalibrierung
US6462316B1 (en) * 2000-10-10 2002-10-08 General Electric Company Cooktop control and monitoring system including detecting properties of a utensil and its contents
US6492627B1 (en) * 2001-07-26 2002-12-10 Emerson Electric Co. Heating unit and control system for cooktops having capability to detect presence of a pan and methods of operating same
US6538238B1 (en) * 2002-02-12 2003-03-25 General Electric Company Long term calibration of sensor assembly for glass-ceramic cooktop appliance

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985005528A1 (fr) * 1984-05-10 1985-12-05 Kopal Försäljnings Ab Dispositif de chauffage
US4761539A (en) * 1987-04-13 1988-08-02 The Tappan Company Oven calibration system having variable stored calibration value
DE4007680A1 (de) * 1990-03-10 1991-09-19 Grass Ag Heizplatte
US5491423A (en) * 1993-03-15 1996-02-13 Whirlpool Europe B.V. Device for detecting the presence of a food container, such as a saucepan, dish or the like, on a glass ceramic cooking hob
WO1997019298A1 (fr) * 1995-11-21 1997-05-29 Aktiebolaget Electrolux Surface de cuisson et son systeme de commande
DE19701640A1 (de) * 1997-01-10 1998-07-16 Ego Elektro Geraetebau Gmbh Kontaktwärmeübertragendes Kochsystem mit einer Elektro-Kochplatte
DE19821439A1 (de) * 1998-05-13 1999-11-18 Bsh Bosch Siemens Hausgeraete Sensorgesteuerte Garungseinheit mit Selbstkalibrierung
US6462316B1 (en) * 2000-10-10 2002-10-08 General Electric Company Cooktop control and monitoring system including detecting properties of a utensil and its contents
US6492627B1 (en) * 2001-07-26 2002-12-10 Emerson Electric Co. Heating unit and control system for cooktops having capability to detect presence of a pan and methods of operating same
US6538238B1 (en) * 2002-02-12 2003-03-25 General Electric Company Long term calibration of sensor assembly for glass-ceramic cooktop appliance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005052274A1 (de) * 2005-10-27 2007-05-03 E.G.O. Elektro-Gerätebau GmbH Kochgerät
DE102005052274B4 (de) * 2005-10-27 2010-04-08 E.G.O. Elektro-Gerätebau GmbH Kochgerät
DE102016012036A1 (de) * 2016-10-11 2018-04-12 Diehl Ako Stiftung & Co. Kg Gargutträger zum Aufnehmen von Gargut in einem Gargerät und Gargerät mit einem solchen Gargutträger

Also Published As

Publication number Publication date
DE50303198D1 (de) 2006-06-08
EP1489363B1 (fr) 2006-05-03

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