EP2663159A2 - Dispositif d'appareil de cuisson - Google Patents

Dispositif d'appareil de cuisson Download PDF

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Publication number
EP2663159A2
EP2663159A2 EP13166667.9A EP13166667A EP2663159A2 EP 2663159 A2 EP2663159 A2 EP 2663159A2 EP 13166667 A EP13166667 A EP 13166667A EP 2663159 A2 EP2663159 A2 EP 2663159A2
Authority
EP
European Patent Office
Prior art keywords
cooking
heating
unit
control unit
heating power
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
EP13166667.9A
Other languages
German (de)
English (en)
Other versions
EP2663159B1 (fr
EP2663159A3 (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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens 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
    • H05B6/10—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
    • 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
    • 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 device device according to the preamble of claim 1.
  • Hobs with temperature sensors which shut off a heating element when a limit temperature is reached.
  • the object of the invention is in particular to provide a generic device with improved properties in terms of safe and / or reliable operation, increased electronic life and / or improved user-friendliness.
  • the object is achieved by the features of claim 1, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • the invention is based on a cooking device 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 be provided for setting a maximum deliverable heating power of the heating unit 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 in particular as meaning a device which finds use in a hob, a microwave oven, an oven and / or a similar use.
  • a “heating unit” is to be understood in particular as a unit which is intended to convert an output energy form, preferably electrical energy, alternatively chemical energy, into heat and / or, preferably, directed heat radiation.
  • the heating unit is associated with at least one cooking zone, in particular a cooking chamber and / or a cooking zone, and is provided for the at least one cooking zone and / or in the cooking zone placed Garware, food and / or heating means, in particular at least one to be heated by induction metal plate to heat.
  • a “control unit” should in particular be understood to mean 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 of 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 intended to be executed by the computing unit.
  • a “sensor unit” should be understood in particular to mean 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 to be an element which is intended to transfer a physical variable, in particular a temperature, a weight and / or something similar, into another physical, in particular electrical, size, preferably an electrical voltage and / or an electric current, to convert.
  • the sensor unit has at least one evaluation electronics which is provided to convert the other physical variable into a, preferably digital, signal and to supply it to the control unit.
  • the transmitter is at least partially integrated into the control unit.
  • a “cooking size” is to be understood, in particular, as meaning a sensor parameter which represents a parameter of a cooking zone, in particular of a cooking utensil positioned in the cooking zone and / or of food to be cooked positioned in the cooking zone.
  • By “provided” is intended to be understood in particular specially programmed, designed and / or equipped.
  • a "maximum deliverable heating capacity" of a heating unit should in particular be understood as meaning at least one value stored in the control unit, which determines which heating power can be allocated at most by the control unit of the heating unit.
  • the maximum available heating power is a value greater than zero, in particular greater than 100 W, advantageously greater than 300 W, preferably greater than 1000 W.
  • a characteristic in particular in the form of a characteristic table stored, which is provided to values of the cooking size Assign values to the maximum available heat output.
  • the maximum deliverable Heating power, the heating power which is adjustable for the heating unit by a maximum 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 stage, is requested by an operator.
  • a safe and / or reliable operation can be achieved by limiting the heating power to a meaningful value.
  • the sensor unit is provided to determine at least one temperature parameter, in particular a temperature, as 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 deliverable heating power 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 a cooking or roasting, can be detected.
  • the sensor unit may have 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 cooking parameter. It can be achieved in particular a better user-friendliness, since a maximum adjustable heating power can be adapted to an existing amount of food and in particular a burning and / or overcooking can be prevented due to highly selected heating power.
  • the control unit is provided in at least one operating mode depending on a value of the cooking size Allow boost mode.
  • a "boost mode” should in particular be understood 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 power supply sources are provided in the boost mode to supply the heating unit with a heating power which exceeds a nominal heating power of the heating power.
  • a “nominal heating power” is to be understood in particular as meaning a heating power that is maximally available without the boost mode.
  • the boost mode is intended to supply all power to a heating element, which is available from a single phase of a domestic power connection, in particular 3700 W.
  • security can be increased, operating convenience increased, and the electronics relieved, in particular by preventing unnecessary activation of the boost mode.
  • control unit is provided in at least one operating mode in at least a first value range of the cooking parameter to determine a maximum deliverable heating power that is at least 5%, in particular at least 9%, advantageously at least 15%, preferably at least 30% greater as in at least a second value range of the cooking size.
  • a "value range" of the cooking parameter should be understood as meaning, in particular, at least one individual value, advantageously at least one range between a lower and an upper limit, preferably a range greater or smaller than a limit value.
  • control unit be provided to set a maximum deliverable heating capacity in at least one operating mode in at least a first value range of the cooking parameter which is at most 80%, in particular at most 70%, advantageously at most 60%, preferably at most 50% as in at least a second value range of the cooking size.
  • the first value range is the highest value range and / or that the second value range is the lowest value range.
  • a “lowest value range” is to be understood in particular as meaning the range of values which, under all value ranges which are stored in particular in the control unit, the smallest value.
  • a “highest value range” should be understood to mean, in particular, the value range which has the greatest value among all value ranges which are stored in particular in the control unit.
  • an improved ease of use can be achieved by performing a sufficient and / or reasonable, in particular not too great adaptation.
  • the at least one heating unit is designed as an induction heating unit.
  • An "induction heating unit” is to be understood in particular a heating unit which is provided by at least one alternating electromagnetic field, in particular a frequency between 1 kHz and 150 kHz, in particular metallic, preferably ferromagnetic, heating means, in particular cooking utensils, preferably on a Hob are arranged, and / or heating elements, which are preferably arranged in an oven, preferably with a power of at least 500 W, in particular at least 1000 W to heat.
  • the induction heating unit has at least one heating element formed by a preferably wound, in particular to a, preferably circular, flat coil shaped, electrical conductor. In particular, an improved ease of use, in particular by a very direct energy supply behavior can be achieved.
  • FIG. 1 shows a trained as a hob cooking device 10 in a representation in which a single cooking device designed as a cooking appliance device 12 of the cooking device 10 is cut.
  • the cooking appliance 10 has four Garellavoriques 12, which are arranged in a conventional manner 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 a component 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 designed as a temperature parameter.
  • the sensor unit 20 has a temperature sensor 22 configured as an infrared sensor, which is provided to determine a temperature of a cooking utensil 24 set up on the hob plate 14 and positioned in a cooking zone defined by the heating unit 16.
  • the control unit 18 is provided to specify in manual operating modes a maximum deliverable heating power P max1 , P max2 of the heating unit 16 inter alia as a function of a value of the cooking parameter T ( FIGS. 2 and 3 ).
  • the control unit 18 is provided to allow a boost mode depending on a value of the cooking parameter T.
  • the cooking device device 12 has a supply electronics 26 with two inverters 28, 30.
  • the inverter 28 is provided to supply the heating unit 16 by default.
  • the inverter 30 is intended to supply by default a heating unit 16 'of one of the other cooking appliance devices.
  • a nominal maximum deliverable heating power P max1 is increased to a boosted maximum deliverable heating power P max2 .
  • the nominal and boosted maximum available heating power P max1 and P max2 are hereby selected as a function of a size of the heating unit 16 or of the cooking zone to be heated.
  • the control unit 18 is provided to define a maximum deliverable heating power P max1 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 factor T.
  • the control unit 18 is provided to set in the first value range W 1 of the cooking factor T a maximum deliverable heating power P max1 , which is up to 80% greater than in the second range of values W 2 of the cooking parameter T.
  • the first range of values W 1 is the highest of the value ranges W 1 , W 2 .
  • the second value range W 2 is the lowest of the value ranges W 1 , W 2 .
  • the first value range W 1 is formed by the values of the cooking quantity 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 threshold T th corresponds to a temperature which is just above a temperature that is typically reached at most from a cooking utensil floor in the case of induction heating when water in the cooking utensil 24 is heated or cooked. In the case of other heating methods, other limits T th may prove suitable.
  • the cooking parameter T determined by the sensor unit 20 approaches, but does not exceed, the limit value T th over time t (FIG. FIG. 2 ).
  • a heating power P of the heating unit 16 in this case corresponds to the boosted maximum deliverable 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 deliverable heating power P max2 by the boost mode is deactivated to ensure improved safety.
  • the safety period t S is 10 min. Further shows FIG. 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 of boiling water can be assumed.
  • the cooking parameter T determined by the sensor unit 20 rapidly exceeds the threshold value T th over time t, since heat removal from the cooking utensil bottom takes place more slowly due to a lack of convection (FIG. FIG. 3 ).
  • a heating power P of the heating unit 16 in this case corresponds to the boosted maximum deliverable heating power P max1 .
  • the control unit 18 is provided, the maximum available heating power and thus also the heating power P when exceeding the Threshold T th to the nominal maximum heat output P max2 can be reduced by the boost mode is deactivated to ensure improved safety. In this situation, it is assumed that the operator performs a roasting operation for which the boost mode is unnecessary and the boost mode has been inadvertently activated.
  • this safety function can be switched off by the operator.
  • Examples of the boost mode are an increase in the maximum available heating power from a nominal maximum heating power P max2 of 1400 W to a boosted maximum heating power 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 a maximum of one phase power), 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 only a power of the boost mode is reduced in order to reduce power losses in the electronics.
  • Cooking appliance 12 Garellavorides 14 Hotplate 16 heating unit 16 ' heating unit 18 control unit 20 sensor unit 22 temperature sensor 24 cooking containers 26 supply electronics 28 inverter 30 inverter P heating capacity P max1 maximum available heating power P max2 maximum available heating power T Garkennongunder Th th limit W 1 value range W 2 value range t Time t s safety period

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Electric Stoves And Ranges (AREA)
  • Induction Heating Cooking Devices (AREA)
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 true EP2663159A2 (fr) 2013-11-13
EP2663159A3 EP2663159A3 (fr) 2018-02-14
EP2663159B1 EP2663159B1 (fr) 2021-11-24

Family

ID=48236747

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)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3492816A1 (fr) * 2017-12-04 2019-06-05 LG Electronics Inc. Dispositif de cuisson
DE102019107558A1 (de) * 2019-03-25 2020-10-01 Miele & Cie. Kg Verfahren zum Betrieb einer Kochstelle eines Kochfelds, vorzugsweise eines Induktionskochfelds, mit einem Kochgeschirr

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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)

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Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3492816A1 (fr) * 2017-12-04 2019-06-05 LG Electronics Inc. Dispositif de cuisson
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

Also Published As

Publication number Publication date
ES2430039B1 (es) 2014-10-02
ES2430039A2 (es) 2013-11-18
EP2663159B1 (fr) 2021-11-24
ES2430039R1 (es) 2013-12-23
EP2663159A3 (fr) 2018-02-14

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