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EP2663159B1 - Dispositif d'appareil de cuisson - Google Patents

Dispositif d'appareil de cuisson Download PDF

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Publication number
EP2663159B1
EP2663159B1 EP13166667.9A EP13166667A EP2663159B1 EP 2663159 B1 EP2663159 B1 EP 2663159B1 EP 13166667 A EP13166667 A EP 13166667A EP 2663159 B1 EP2663159 B1 EP 2663159B1
Authority
EP
European Patent Office
Prior art keywords
heating
cooking
unit
value
value range
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.)
Active
Application number
EP13166667.9A
Other languages
German (de)
English (en)
Other versions
EP2663159A3 (fr
EP2663159A2 (fr
Inventor
Carlos Franco Gutierrez
Jose Ramon Garcia Jimenez
Sergio Llorente Gil
David Paesa García
Alberto Ignacio SIN USE
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2663159A2 publication Critical patent/EP2663159A2/fr
Publication of EP2663159A3 publication Critical patent/EP2663159A3/fr
Application granted granted Critical
Publication of EP2663159B1 publication Critical patent/EP2663159B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • 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
    • 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
    • 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 is based on a cooking appliance device according to the preamble of claim 1.
  • the object of the invention is in particular to provide a device of the generic type with improved properties with regard to safe and / or reliable operation, an increased electronics service life and / or improved user-friendliness.
  • the object is achieved according to the invention by the features of claim 1, while advantageous configurations and developments of the invention can be found in the subclaims.
  • the invention is based on a cooking appliance device, in particular a hob device, with at least one heating unit, at least one control unit and at least one sensor unit, which is provided to determine at least one cooking parameter.
  • control unit is provided to define a maximum heat output of the heating unit that can be delivered in at least one operating mode, at least as a function of a value of the cooking parameter.
  • a “cooking appliance device” is to be understood as meaning, in particular, a device that is used in a hob, a microwave oven, an oven and / or the like.
  • a “heating unit” is to be understood in particular as a unit which is provided to convert an output energy form, preferably electrical energy, alternatively chemical energy, into heat and / or, preferably directed, thermal radiation.
  • the heating unit is preferably assigned at least one cooking zone, in particular a cooking space and / or a cooking zone, and is provided for this purpose, the at least one cooking zone and / or in the cooking utensils placed in the cooking zone, the food to be cooked and / or heating means, in particular at least one metal plate to be heated by induction.
  • a “control unit” is to be understood in particular as an electronic unit which is preferably at least partially integrated in a control and / or regulating unit of a cooking appliance and which is preferably provided to control and / or regulate at least one energy supply to the heating unit.
  • the control unit preferably comprises a computing unit and, in particular, in addition to the computing unit, a memory unit with a control and / or regulating program stored therein which is provided to be executed by the computing unit.
  • a “sensor unit” is to be understood in particular as a unit which has at least one sensor element which is provided to determine at least one sensor parameter.
  • a “sensor element” is to be understood in particular as an element which is intended to convert a physical variable, in particular a temperature, a weight and / or something similar, into another physical, in particular electrical, variable, preferably an electrical voltage and / or to convert an electric current.
  • the sensor unit has at least one evaluation electronics, which are provided to convert the other physical variable into a, preferably digital, signal and to feed it to the control unit.
  • the evaluation electronics are at least partially integrated into the control unit.
  • a “cooking parameter” is to be understood in particular as a sensor parameter that represents a parameter of a cooking zone, in particular of cookware positioned in the cooking zone and / or of food positioned in the cooking zone.
  • “Provided” is to be understood in particular as specifically programmed, designed and / or equipped.
  • a “maximum deliverable heating output” of a heating unit is to be understood as meaning, in particular, at least one value stored in the control unit, which defines the maximum heating output that can be assigned to the heating unit by the control unit.
  • the maximum heat output that can be supplied represents a value greater than zero, in particular greater than 100 W, advantageously greater than 300 W, preferably greater than 1000 W.
  • a characteristic curve, in particular in the form of a characteristic value table is stored in the control unit, which is provided for values of the cooking characteristic Assign values to the maximum available heating output.
  • the maximum deliverable is Heating output the heating output that can be set for the heating unit by an operator.
  • the operating mode differs from an operating mode in which an at least semi-automatic, in particular fully automatic, cooking program, in particular with time and / or temperature-dependent power setting, is executed.
  • the operating mode is a manual operating mode in which a heating power of the heating zone, in particular in the form of a power level, is requested by an operator.
  • the sensor unit is provided to determine at least one temperature parameter, in particular a temperature, as the cooking parameter.
  • the sensor unit has at least one temperature sensor, in particular an infrared sensor and / or a resistance temperature sensor, preferably a thermistor.
  • a maximum heat output that can be supplied is adapted to a current temperature.
  • states of the cooking zone in particular an existing amount of water and / or a cooking process to be carried out, for example boiling or roasting, can be recognized.
  • the sensor unit has at least one weight and / or force sensor which is provided to determine a weight parameter, in particular a preferably inverse weight of the cooking zone, as the cooking parameter.
  • a weight parameter in particular a preferably inverse weight of the cooking zone, as the cooking parameter.
  • control unit be provided in at least one operating mode as a function of a value of the cooking parameter
  • a "boost mode” is to be understood in particular as an operating mode in which a heating element is simultaneously supplied with energy by two energy supply sources, in particular supply electronics, preferably inverters, which are provided to supply two different heating units in at least one operating mode.
  • the control unit and the energy supply sources are provided to supply the heating unit in the boost mode with a heating output that exceeds a nominal heating output of the heating output.
  • a “nominal heating output” is to be understood in particular as a heating output that can be delivered at a maximum without the boost mode.
  • the boost mode is intended to supply a heating element with all of the power that can be supplied by a single phase of a house power connection, in particular 3700 W.
  • safety can be increased, ease of use increased, and the burden on the electronics can be relieved by preventing unnecessary activation of the boost mode according to the invention.
  • control unit is provided in at least one operating mode, in at least a first value range of the cooking parameter, to set a maximum heat output that is at least 5%, in particular at least 9%, advantageously at least 15%, preferably at least 30% greater than in at least a second value range of the cooking parameter.
  • a “value range” of the cooking parameter should be understood to mean in particular at least one individual value, advantageously at least a range between a lower and an upper limit, preferably a range greater or less than a limit value.
  • control unit is provided to set a maximum available heating power in at least one operating mode in at least a first value range of the cooking parameter, which is a maximum of 80%, in particular a maximum of 70%, advantageously a maximum of 60%, preferably a maximum of 50%, greater than in at least a second value range of the cooking parameter.
  • the first range of values is the highest range of values and / or that the second range of values is the lowest range of values.
  • a “lowest value range” is to be understood in particular as the value range that is defined by all value ranges that are stored in the control unit in particular has the smallest value.
  • a “highest value range” is to be understood in particular as the value range which has the greatest value among all value ranges that are stored in the control unit in particular.
  • the at least one heating unit is designed as an induction heating unit.
  • An "induction heating unit” is to be understood as meaning, in particular, a heating unit which is intended to be heated by at least one electromagnetic alternating field, which in particular has a frequency between 1 kHz and 150 kHz, in particular metallic, preferably ferromagnetic, heating means, in particular cooking utensils, which are preferably on a Cooktop are arranged, and / or heating elements, which are preferably arranged in a baking oven, preferably with a power of at least 500 W, in particular at least 1000 W, to be heated.
  • the induction heating unit has at least one heating element formed by a preferably wound, in particular shaped into a preferably circular, flat coil, electrical conductor. In particular, improved ease of use can be achieved, in particular through a very direct energy supply behavior.
  • FIG 1 shows a cooking device 10 designed as a hob in a representation in which a single cooking device device 12 of the cooking device 10 configured as a hob device is cut.
  • the cooking appliance 10 has four cooking appliance devices 12 which are arranged in a manner customary for a hob.
  • the cooking appliance 10 has a hob plate 14.
  • the cooking appliance device 12 has a heating unit 16, a control unit 18 and a sensor unit 20.
  • the control unit 18 is part of all four cooking appliance devices 12.
  • the heating unit 16 is designed as an induction heating unit.
  • the sensor unit 20 is provided to determine a cooking parameter T embodied as a temperature parameter.
  • the sensor unit 20 has a temperature sensor 22 in the form of an infrared sensor, which is provided to determine a temperature of cooking utensils 24 placed on the hob plate 14 and positioned in a cooking zone defined by the heating unit 16.
  • the control unit 18 is provided to set a maximum heat output P max1 , P max2 of the heating unit 16 that can be supplied in manual operating modes, among other things as a function of a value of the cooking parameter T ( Figures 2 and 3 ).
  • the control unit 18 is provided to allow a boost mode as a function of a value of the cooking parameter T.
  • the cooking appliance device 12 has supply electronics 26 with two inverters 28, 30.
  • the inverter 28 is provided to supply the heating unit 16 as standard.
  • the inverter 30 is provided to supply a heating unit 16 'of one of the other cooking appliance devices as standard.
  • a nominal maximum heat output P max1 that can be delivered is increased to a boosted maximum heat output P max2 that can be delivered .
  • the nominal and boosted maximum heat output P max1 and P max2 are selected depending on the size of the heating unit 16 or the cooking zone to be heated.
  • the control unit 18 is provided to define a maximum heat output P max1 that can be supplied in a first value range W 1 of the cooking parameter T, which is more than 5% is greater than in a second value range W 2 of the cooking parameter T.
  • the control unit 18 is provided to define a maximum available heating power P max1 in the first value range W 1 of the cooking parameter T, which is up to 80% greater than in a second value range W 2 of the cooking parameter T.
  • the first value range W 1 is the highest of the value ranges W 1 , W 2 .
  • the second range of values W 2 is the lowest of the ranges of values W 1 , W 2 .
  • the first value range W 1 is formed by the values of the cooking parameter T which are greater than a limit value T th .
  • the second value range W 2 is formed by the values of the cooking parameter T which are smaller than a limit value T th .
  • the limit value T th corresponds to a temperature of 140 ° C.
  • the limit value T th corresponds to a temperature that is just above a temperature that is typically reached at most by a cooking utensil bottom in the case of induction heating when water is heated or boiled in the cooking utensil 24. In the case of other heating methods, other limit values T th may prove to be suitable.
  • the cooking parameter T determined by the sensor unit 20 approaches the limit value T th over the course of time t, but does not exceed it ( Figure 2 ).
  • a heating power P of the heating unit 16 corresponds to the boosted maximum available heating power P max1 .
  • the control unit 18 is provided to reduce the maximum available heating power and thus also the heating power P after a safety period t S to the nominal maximum available heating power P max2 by deactivating the boost mode in order to ensure improved safety.
  • the safety period t S is 10 minutes Figure 2 the corresponding course of the water temperature T W.
  • the safety period t S is chosen such that even a large amount of water would boil, so that after the safety period t S it can be assumed that the water is boiling.
  • the cooking parameter T determined by the sensor unit 20 quickly exceeds the limit value T th over the course of time t, since the lack of convection means that heat is removed more slowly from the cooking utensil base ( Figure 3 ).
  • a heating power P of the heating unit 16 corresponds to the boosted maximum available heating power P max1 .
  • the control unit 18 is provided to measure the maximum heat output that can be supplied and thus also the heat output P when the
  • this safety function can be switched off by the operator.
  • Examples of the boost mode are an increase in the maximum available heating output from a nominal maximum heating output P max2 of 1400 W to a boosted maximum heating output P max1 of 1800 W, from 1800 W to 2500 W, from 2000 W to 2600 W, from 2200 W to 3300 W, from 2800 W to 3600 W to 4400 W (depending on the maximum power that can be drawn from one phase), from 2400 W to 3600 W, from 2600 W to 3400 W or from 3300 W to 3600 W to 4400 W.
  • the boost mode is not deactivated, but rather only a power of the boost mode is reduced in order to reduce power losses in the electronics. Such a solution does not form part of the claimed invention.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Electric Stoves And Ranges (AREA)
  • Induction Heating Cooking Devices (AREA)

Claims (8)

  1. Table de cuisson avec au moins un dispositif d'appareil de cuisson avec au moins une unité de chauffage (16, 16'), une unité de commande (18) et au moins une unité de détection (20) qui est prévue pour déterminer au moins une grandeur caractéristique de cuisson (T), dans laquelle l'unité de commande (18) est prévue pour fixer, dans au moins un mode de fonctionnement, lequel est un mode de fonctionnement manuel dans lequel une puissance de chauffage d'une zone de chauffage est sollicitée par un utilisateur, une puissance de chauffage disponible maximale (Pmax1, Pmax2) de l'unité de chauffage (16, 16') au moins en fonction d'une valeur de la grandeur caractéristique de cuisson (T), caractérisée en ce que l'unité de commande (18) est prévue pour permettre, dans au moins un mode de fonctionnement en fonction d'une valeur de la grandeur caractéristique de cuisson (T), un mode accéléré, afin d'empêcher une activation inutile du mode accéléré.
  2. Table de cuisson selon la revendication 1, caractérisée en ce que l'unité de détection (20) est prévue pour déterminer au moins une grandeur caractéristique de température en tant que grandeur caractéristique de cuisson (T).
  3. Table de cuisson selon l'une des revendications précédentes, caractérisée en ce que l'unité de commande (18) est prévue pour fixer, dans au moins un mode de fonctionnement dans au moins une première gamme de valeurs (W1) de la grandeur caractéristique de cuisson (T), une puissance de chauffage disponible maximale (Pmax1) qui est supérieure d'au moins 5 % à celle dans au moins une deuxième gamme de valeurs (W2) de la grandeur caractéristique de cuisson (T).
  4. Table de cuisson selon l'une des revendications précédentes, caractérisée en ce que l'unité de commande (18) est prévue pour fixer, dans au moins un mode de fonctionnement dans au moins une première gamme de valeurs (W1) de la grandeur caractéristique de cuisson (T), une puissance de chauffage disponible maximale (Pmax1) qui est supérieure de 80 % au maximum à celle dans au moins une deuxième gamme de valeurs (W2) de la grandeur caractéristique de cuisson (T).
  5. Table de cuisson selon l'une des revendications 3 ou 4, caractérisée en ce que la première gamme de valeurs (W1) est la gamme de valeurs (W1, W2) la plus haute.
  6. Table de cuisson au moins selon l'une des revendications 3 ou 4, caractérisée en ce que la deuxième gamme de valeurs (W2) est la gamme de valeurs (W1, W2) la plus basse.
  7. Table de cuisson selon l'une des revendications précédentes, caractérisée en ce que l'au moins une unité de chauffage (16, 16') est conçue en tant qu'unité de chauffage par induction.
  8. Procédé pour le fonctionnement d'une table de cuisson (12) selon l'une des revendications 1 à 7, dans lequel une puissance de chauffage de la zone de chauffage est ajustée manuellement par un utilisateur, dans lequel une puissance de chauffage disponible maximale (Pmax1, Pmax2) de l'unité de chauffage (16, 16') est fixée au moins en fonction d'une valeur de la grandeur caractéristique de cuisson (T), caractérisé en ce que, dans au moins un mode de fonctionnement en fonction d'une valeur de la grandeur caractéristique de cuisson (T), un mode accéléré est permis et une activation inutile du mode accéléré est empêchée.
EP13166667.9A 2012-05-11 2013-05-06 Dispositif d'appareil de cuisson Active EP2663159B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201230713A ES2430039B1 (es) 2012-05-11 2012-05-11 Aparato de cocción con una unidad de calentamiento

Publications (3)

Publication Number Publication Date
EP2663159A2 EP2663159A2 (fr) 2013-11-13
EP2663159A3 EP2663159A3 (fr) 2018-02-14
EP2663159B1 true EP2663159B1 (fr) 2021-11-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13166667.9A Active EP2663159B1 (fr) 2012-05-11 2013-05-06 Dispositif d'appareil de cuisson

Country Status (2)

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EP (1) EP2663159B1 (fr)
ES (1) ES2430039B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190170364A1 (en) * 2017-12-04 2019-06-06 Lg Electronics Inc. Cooking device
DE102019107558A1 (de) * 2019-03-25 2020-10-01 Miele & Cie. Kg Verfahren zum Betrieb einer Kochstelle eines Kochfelds, vorzugsweise eines Induktionskochfelds, mit einem Kochgeschirr

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4439095A1 (de) * 1994-11-02 1996-05-09 Klaus Kozitzki Verfahren und Vorrichtung zum Regeln der Kochstelle eines Kochfeldes
ES2100812B1 (es) * 1994-11-24 1998-02-16 Balay Sa Sistema de calentamiento por induccion.
IT1281843B1 (it) * 1995-01-25 1998-03-03 Meneghetti Ampelio & C S N C Dispositivo di controllo particolarmente per fornelli ad induzione multipiastra
ES2143430B1 (es) * 1998-09-08 2000-12-16 Balay Sa Circuito inversor de dos salidas, y circuito y procedimiento de control de la potencia entregada en las salidas del inversor.
JP2007018787A (ja) * 2005-07-06 2007-01-25 Matsushita Electric Ind Co Ltd 調理器
US20100147832A1 (en) * 2008-12-16 2010-06-17 Barker Iii Charles R Induction cookware identifying
ES2352772B1 (es) * 2008-12-19 2012-01-26 Bsh Electrodomésticos España, S.A. Campo de cocción con varios elementos de calentamiento y al menos un grupo constructivo de la electrónica de potencia.
TWI394547B (zh) * 2009-03-18 2013-05-01 Delta Electronics Inc 加熱裝置
EP2442034B1 (fr) * 2010-10-14 2012-12-05 Electrolux Home Products Corporation N.V. Plaque de cuisson avec système d'équilibrage et procédé d'ajustement de la température d'un appareil de cuisson

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2430039A2 (es) 2013-11-18
EP2663159A3 (fr) 2018-02-14
ES2430039B1 (es) 2014-10-02
EP2663159A2 (fr) 2013-11-13
ES2430039R1 (es) 2013-12-23

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