WO2007131851A1 - Dispositif et procédé de commande et/ou de réglage d'une puissance de chauffe d'un élément de chauffe d'une plaque de cuisson - Google Patents

Dispositif et procédé de commande et/ou de réglage d'une puissance de chauffe d'un élément de chauffe d'une plaque de cuisson Download PDF

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Publication number
WO2007131851A1
WO2007131851A1 PCT/EP2007/053698 EP2007053698W WO2007131851A1 WO 2007131851 A1 WO2007131851 A1 WO 2007131851A1 EP 2007053698 W EP2007053698 W EP 2007053698W WO 2007131851 A1 WO2007131851 A1 WO 2007131851A1
Authority
WO
WIPO (PCT)
Prior art keywords
preparation
sensor
temperature
sensors
heating power
Prior art date
Application number
PCT/EP2007/053698
Other languages
German (de)
English (en)
Inventor
Ursula Calis
Uwe Has
Peter Vetterl
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to DE112007001158T priority Critical patent/DE112007001158B4/de
Publication of WO2007131851A1 publication Critical patent/WO2007131851A1/fr

Links

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
    • 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
    • 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
    • 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
    • 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 device and a method for controlling and / or regulating a heating power of a heating element, wherein a good can be prepared by means of a heat generated by the heating power, wherein the device comprises a sensor device having a plurality of sensors and the sensor device for determining a temperature is formed in a preparation process of the goods according to a first preparation and a second preparation.
  • sensors are used, which detect essential properties of a good to be prepared in a preparation container.
  • essential properties of a food in a cookware or essential operating conditions of the preparation field can be detected.
  • the temperature of soups For example, the temperature of soups, the viscosity of jam, the toughness of a piece of meat to be cooked, the temperature of a frying surface of a pan, or the texture of a fried piece of vegetables are to be grasped from a variety of quantities to be detected.
  • the knowledge of these parameters makes it possible to regulate the current food preparation process.
  • the height of heating currents, the temperature of the heating conductors or the electrical conductivity of the footprint give information about the operating state of the device.
  • the temperatures and the bending of the bottom provide information about the quality of the thermal coupling of the cookware to the shelf.
  • the knowledge of the vapor concentration under the lid of a pot allows the minimum energy process, for example when cooking eggs or potatoes or noodles.
  • the determination of the absolute internal pressure allows an exact calculation of the temperature of the food currently being cooked.
  • the purpose of detecting the above variables is often the automatic control of the process of food preparation currently being carried out.
  • the detailed and complete monitoring of the process allows the detection of malfunctions which, on the one hand, are due to inexplicable malfunctions but may also be triggered by operating personnel who are unfocused or otherwise distracted.
  • EP 0 541 166 A1 discloses an arrangement for regulating the heating power for a cooking pot which can be heated by a hotplate and has sensor-controlled electronics.
  • the arrangement comprises a sensor device with a plurality of sensors, wherein the sensors are all arranged inside the cooking pot.
  • the sensors are all arranged inside the cooking pot.
  • In the cooking pot at least one sensor for detecting the temperature of the food, which are in the cooking pot arranged.
  • a further sensor is arranged in a measuring tube of the cooking pot, wherein the measuring tube is formed as a connection of the cooking pot with the outside air and the sensor is arranged in the measuring tube for detecting the vapor point of a liquid present in the pot.
  • a sensor in the With regard to a cooking sensor and a second sensor with respect to a Bratsensorik be arranged.
  • the two sensors can be used in combination, but always only one sensor is taken into account and after a certain progress of the preparation process, for example, until a water present in the saucepan is evaporated, the first sensor is turned off and switched to the second sensor or this is turned on, which then performs a temperature monitoring with respect to the roasting process.
  • the heating power of a heating element is thus regulated as a function of exclusively the sensor signals of the first sensor or exclusively as a function of the sensor signals of the second sensor.
  • a device for controlling the heating power of a heating element of a cooking or hotplate of an electric range comprises a sensor device with a plurality of sensors, wherein a sensor for temperature detection of the cooking and hob plate is arranged and a second sensor for temperature-sensing a preparation container is arranged.
  • a sensor device with a plurality of sensors, wherein a sensor for temperature detection of the cooking and hob plate is arranged and a second sensor for temperature-sensing a preparation container is arranged.
  • a solution according to the device is designed for controlling and / or regulating a heating power of a heating element, wherein by means of a heat generated by the heating power, a good, such as a food, is prepared.
  • the device comprises a sensor device, which has at least two sensors, wherein the sensor device is designed to determine a temperature in a preparation process of the goods according to a first preparation and for determining a temperature in a preparation process of the goods according to a second preparation.
  • the sensors are electrically connected to a control and / or regulating unit. The sensors are activated for a common predefinable time period for the detection of temperature information.
  • the sensors are thus at least temporarily, in particular permanently, simultaneously operated or in an activated state, wherein during simultaneous operation, the temperature information detected by the sensors to the control and / or control unit are transferable, and the heating power of the heating element depending on these temperature information control - and / or is controllable.
  • the device By the device according to the solution thus a plurality of temperature information of various sensors are always detected and evaluated and depending on this plurality of temperature information then the heating power of the heating element is controlled and / or regulated. This allows a cooking temperature to be set faster and more accurately.
  • a preparation process of the goods can be optimized.
  • the device can generate a combination of sensor information. As cooking methods, cooking or frying may be provided in particular.
  • the device and in particular the sensor device is therefore advantageously a combination of a Bratsensorik and a cooking sensor.
  • the sensors which are used only individually in the prior art are used simultaneously in the device according to the invention, and the temperature information recorded at a time by a plurality of sensors therefore makes it possible to know exactly which temperatures at a given time are at different locations and components of a cooking chain ,
  • the sensors are preferably arranged on different components provided for a preparation of the goods.
  • an arrangement may be provided on a preparation container or on parts of the household appliance.
  • At least one sensor is positioned outside a preparation container in which the material to be prepared is contained.
  • the temperature information obtained by the sensors in the control and / or regulating unit according to a list of priorities for the control and / or regulation of the heating power are considered. It can thus be provided that, depending on the instantaneous preparation of a preparation process, for example a roast, the temperature information of those sensors which are arranged for the temperature detection for a roasting process are taken into account, preferably with a larger weighting factor.
  • a basic list of priorities is dependent on the current type of preparation of a preparation process. It can thus be given a plurality of priority lists, which are different, and are advantageously designed with regard to the current preparation.
  • the control and / or regulation of the heating power of the heating element can be carried out as a function of that temperature information of a sensor which exceeds a reference temperature which is specific for a type of preparation. For example, it may be provided that in a frying process, the sensor information to be considered according to a priority list would, for example, result in an increase in the heating power, but a sensor actually provided for the cooking sensor system will provide temperature information which is too high and adversely affects the further frying process would. With such a constellation, the list of priorities can then be broken and the heat output, which would be required by the frying sensor, is not increased, but the heating power is reduced in order to take account of the safety aspect.
  • a first sensor for detecting a temperature of the preparation material is formed.
  • This first sensor can advantageously on a side wall of a Preparation container may be arranged.
  • the temperature sensor may be designed, for example, as an NTC resistor or as a PTC resistor.
  • the first sensor is arranged at a distance from a side wall of a preparation container and designed to detect the temperature of the side wall. It may be provided that the first sensor is designed as an IR sensor and is designed for detecting a thermal radiation which is radiated from the preparation container, in particular from its side wall.
  • a second sensor for detecting a temperature is formed on a bottom of a preparation container.
  • the second sensor can be arranged in particular on the ground.
  • a third sensor is advantageously designed for detecting a temperature of the preparation zone and in particular arranged on an underside of the preparation zone.
  • the preparation zone can advantageously have or be a glass-ceramic field.
  • a fourth sensor for detecting a temperature of the heating element is formed, in particular arranged on the heating element.
  • the heating element is preferably arranged in a preparation trough, in particular a cooktop.
  • a roast of a good can be provided.
  • cooking of a good may be provided as a second mode of preparation.
  • the two types of preparation are the preferred preparation. However, they are not exhaustive. For example, cooking or deep-frying, which is cooking with high temperature tolerance, or braising, may also be considered as the way of cooking.
  • a good is prepared by means of a heat generated by the heating power.
  • a determination of a temperature during a preparation process of a good according to a first preparation type and a determination of a temperature in a preparation process of a good according to a second type of preparation is carried out by means of a sensor device.
  • the sensor device comprises a plurality of sensors. The sensors are operated at least temporarily at the same time, and during simultaneous operation, a respective temperature information detected by a sensor transmitted to a control and / or regulating unit and the heating power of the heating element is controlled and / or regulated depending on the temperature information of both sensors.
  • FIG. 1 shows a schematic representation of an embodiment of a device according to the invention
  • Fig. 2 is a block diagram of the device according to the invention shown in FIG. 1;
  • FIG. 3 shows a schematic diagram in which operating states of sensors of the device are shown.
  • FIG. 1 shows a schematic sectional view of a preparation container designed as a pot 1.
  • the pot 1 comprises an outer wall 2 and a bottom 3 which stands on a preparation zone 4 of a preparation trough 5 of a household appliance designed as an electric oven.
  • the preparation zone 4 can be heated in the embodiment of a heating element 6 with a heating coil.
  • the heating element 6 is supplied via a supply line 7 with power that can be controlled by an operator via an operating device, not shown.
  • the preparation zone 4 is formed in the embodiment as a glass ceramic cooking surface and arranged in a preparation field 4 '.
  • the device for controlling and / or regulating a heating power of the heating element 6 comprises a sensor device I, which has a plurality of sensors.
  • the sensor device I is designed to determine a temperature during a preparation process of a good or a foodstuff 1 a according to a first type of preparation, a cooking and a second type of preparation, a roast.
  • the sensor device I is thus designed as a combined cooking sensor and Bratsensorik.
  • the sensor device I comprises four sensors, wherein a first sensor for detecting a temperature of the preparation material is formed.
  • the first sensor 9 is positioned laterally of the preparation zone 4 on the preparation field 4 '.
  • the sensor 9 is designed to detect thermal radiation which is radiated from the outer wall 2.
  • the sensor 9 is arranged in a housing 8 and electrically connected via a signal connection 1 1 with a control and / or regulating unit 12.
  • the signal connection 1 1 may be wired, but also wireless. In a wireless implementation, a radio connection can be realized.
  • the sensor unit I comprises a second sensor 13, which is designed to detect a temperature at the bottom 3 of the pot 1.
  • the second sensor 13 is arranged on the bottom 3.
  • another arrangement of the second sensor 13 may also be provided.
  • the second sensor 13 is electrically connected via a signal connection 14 with the control and / or regulating unit 12.
  • the electrical signal connection 14 can be formed wired or wireless.
  • the sensor device I comprises a third sensor 15, which is designed to detect the temperature of the preparation zone 4 and thus of the glass ceramic.
  • the third sensor 15 is arranged on a lower side 41 of the preparation zone 4 and is electrically connected to the control and / or regulating unit 12 via a signal connection 16.
  • the signal connection 16 can be performed both wirelessly and wired.
  • the sensor device I has a fourth sensor 17, which is designed to detect a temperature of the heating element 6. This fourth sensor 17 also has a signal connection 18 with the control and / or regulating unit 12, whereby this signal connection 18 can also be wired or wireless.
  • the control and / or regulating unit 12 has two external terminals 12a and 12b, wherein the terminal 12a is designed for power supply and represents a network connection.
  • the connection 12b is designed as a control input and designed for a setpoint input for this electronics.
  • the heating power of the heating element 6 can be controlled and / or regulated by the control and / or regulating unit 12 via the supply line 7.
  • the exemplary embodiment four sensors 9, 13, 15 and 17 of the sensor device I are arranged on various components which are required for the preparation of the material 1 a in the pot 1.
  • the sensor device I comprises sensors which are designed to detect precise temperatures during preparation processes with different types of preparation.
  • the fourth sensor 17 can be used exclusively for monitoring the heating element 6.
  • an electronic limiter can be realized, on the other hand, however, it is also possible to monitor a mechanical limiter.
  • the sensors 13 and 15 are designed as Bratsensorik and thus particularly suitable for the temperature detection in a roast. Cooking sensors can not be realized with these two sensors 13 and 15 in general, but cooking processes with a high temperature tolerance, for example frying, can also be monitored and regulated therewith.
  • a cooking sensor system can be realized with the first sensor 9 and it is possible to monitor and regulate preparation processes which have cooking as a method of preparation.
  • the sensor device I is designed in such a way that when preparing the product 1a, all four sensors 9, 13, 15 and 17 are operated simultaneously and the respective detected temperature information is transmitted to the control and / or regulating unit 12.
  • the control and / or regulating unit 12 By thus simultaneously providing a plurality of temperature information from a plurality of sensors 9, 13, 15 and 17 arranged at different locations An additional information can be created which allows a precise overview of the different local temperature conditions in the heat transfer chain from the heating element 6 to the product 1 a.
  • the heating power of the heating element 6 can be set very precisely and also a very wide variety of complex preparation processes can be made possible. For example, a cooking process with a very small filling quantity in the pot 1 could be reasonably regulated by the combination of the different temperature information.
  • a Schmorvorgang be performed without changing the pot 1 from the preparation zone 4 shown to another, not shown preparation zone.
  • the four sensors 9, 13, 15 and 17 of the sensor device 1 are all arranged outside the pot 1. It can also be provided that some of the sensors 9, 13, 15, 17 or additional sensors are arranged in the interior of the pot 1. Sensors, which are then provided for the cooking sensor, could then be attached to an inner wall 21, for example. Sensors for the Bratsensorik are then preferably to be arranged on the bottom 31.
  • additional sensors can also be provided, which are then arranged as independent devices on the pot 1 or on the preparation field 4 ', in particular on the preparation zone 4.
  • FIG. 2 shows a block diagram in which the information acquisition and the heat transfer are shown schematically.
  • the control and / or regulating unit 12 adjusts the electrical heating energy or the heating power of the heating element 6.
  • This heating element 6 may also be an induction device, in which a heat generation in the bottom 3 of the pot 1 can be generated via an induction.
  • the heat generated by the heating element 6 is transferred to the preparation zone 4 according to the arrow (flow of energy).
  • zone 4 transfers heat to the bottom 3 of the pot 1, through which heat is then transferred to the material 1 a. From this good 1 a then heat is dissipated to the environment.
  • heat is transferred from the heating element 6 via a plurality of components to the Good 1 a.
  • At least one sensor 9, 13, 15 and 17 of the sensor device 1 is arranged at all essential heat exchangers in this chain in order to enable temperature detection at certain locations in this chain.
  • This local temperature information is re-transmitted to the control and / or regulating unit 12 according to the arrow display (flow of information) during the simultaneous operation of these sensors 9, 13, 15 and 17.
  • the temperature at different points in time can be determined simultaneously at different locations of this heat transfer chain, and based on these multiple temperature information, different types of preparation, such as frying or cooking, can be carried out with always comparable quality.
  • Fig. 3 is a schematic diagram is shown in the operating states of the sensors 9, 13, 15 and 17 are shown.
  • all sensors 9, 13, 15 and 17 are switched off until time t 0 .
  • time t 0 no measured values are detected and no temperature information can be detected.
  • a preparation process is started and at the same time all sensors 9, 13, 15 and 17 are activated, whereby temperature information of the respective components, to which the individual sensors 9, 13, 15 and 17 are assigned or to which they are arranged, can be detected continuously are.
  • each sensor 9, 13, 15 and 17 transmits the measured values to the control and / or regulating unit 12.
  • all the sensors 9, 13, 15 and 17 are activated for an entire preparation process up to the end of the time d for the simultaneous detection of temperature information. It can also be provided that the sensors 9, 13, 15 and 17 are activated for different periods of a preparation process. However, it is essential that all sensors 9, 13, 15 and 17 have at least one common time duration in which they are activated to acquire temperature information. When this common time period is during the period of a preparation process may be preferable depend on the nature of the preparation process and / or the arrangement and / or the number of sensors 9, 13, 15 and 17.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Electric Stoves And Ranges (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

La présente invention concerne un dispositif de commande et/ou de réglage d'une puissance de chauffe d'un élément de chauffe (6) sachant qu'au moyen d'une chaleur générée par la puissance de chauffe une marchandise (1a) peut être préparée avec un dispositif de détection (I) qui comporte une pluralité de détecteurs (9, 13, 15, 17), le dispositif de détection (I) étant configuré pour communiquer une température lors d'une opération de préparation d'une marchandise (1a) selon un premier type de préparation et un deuxième type de préparation et les détecteurs (9, 13, 15, 17) sont reliés électriquement à une unité de commande et/ou de réglage (12) et sachant que les détecteurs (9, 13, 15, 17) peuvent être activés pour une durée pouvant être déterminée en commun pour la saisie des informations de température, sachant que lors du fonctionnement simultané les informations de température saisies par les détecteurs (9, 13, 15, 17) sur l'unité de commande et/ou de réglage (12) sont transférables et la puissance de chauffe peut être commandée et/ou réglée en fonction de ces informations de température. La présente invention concerne aussi un procédé de commande et/ou de réglage d'une puissance de chauffe d'un élément de chauffe.
PCT/EP2007/053698 2006-05-12 2007-04-17 Dispositif et procédé de commande et/ou de réglage d'une puissance de chauffe d'un élément de chauffe d'une plaque de cuisson WO2007131851A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112007001158T DE112007001158B4 (de) 2006-05-12 2007-04-17 Vorrichtung und Verfahren zur Steuerung und/oder Regelung einer Heizleistung eines Heizelements einer Kochmulde

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610022327 DE102006022327A1 (de) 2006-05-12 2006-05-12 Vorrichtung und Verfahren zur Steuerung und/oder Regelung einer Heizleistung eines Heizelements einer Kochmulde
DE102006022327.6 2006-05-12

Publications (1)

Publication Number Publication Date
WO2007131851A1 true WO2007131851A1 (fr) 2007-11-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/053698 WO2007131851A1 (fr) 2006-05-12 2007-04-17 Dispositif et procédé de commande et/ou de réglage d'une puissance de chauffe d'un élément de chauffe d'une plaque de cuisson

Country Status (2)

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DE (2) DE102006022327A1 (fr)
WO (1) WO2007131851A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010016110B4 (de) * 2010-03-24 2014-06-12 Miele & Cie. Kg Verfahren zur Regelung der Leistungszufuhr für eine Induktions-Kochstelle und Vorrichtung zur Durchführung des Verfahrens
DE102010055511B4 (de) 2010-12-22 2014-10-16 Fissler Gmbh Elektronikmodul für eine temperaturüberwachte Zubereitung von Gargut in einem Kochgefäß
DE202016006242U1 (de) 2016-05-06 2016-12-02 Moser Systeme Gmbh Berührungslose Temperaturmessung an Kochfeldern
BE1028749B1 (de) * 2020-10-28 2022-05-23 Miele & Cie Verfahren zum Betreiben eines Kochsystems, Kochgeschirr und Steuereinrichtung

Citations (3)

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Publication number Priority date Publication date Assignee Title
US4722268A (en) * 1986-01-10 1988-02-02 Properties Leasing Co., Inc. Food warmer cabinet control
DE3811925C1 (fr) * 1988-04-09 1989-03-02 Kurt Wolf & Co Kg, 7547 Wildbad, De
EP0541166A1 (fr) * 1991-11-02 1993-05-12 Philips Patentverwaltung GmbH Dispositif de contrôle de la puissance chauffant une casserole

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Publication number Priority date Publication date Assignee Title
DE19604658A1 (de) * 1996-02-09 1997-08-14 Ako Werke Gmbh & Co Temperaturmeßeinrichtung für eine Regelschaltung eines elektrischen Strahlungsheizgeräts
DE10064117B4 (de) * 2000-12-21 2009-10-08 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld mit zwei Betriebsarten
GB0313831D0 (en) * 2003-06-16 2003-07-23 Ceramaspeed Ltd Apparatus and method for detecting abnormal temperature rise associated with a cooking arrangement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4722268A (en) * 1986-01-10 1988-02-02 Properties Leasing Co., Inc. Food warmer cabinet control
DE3811925C1 (fr) * 1988-04-09 1989-03-02 Kurt Wolf & Co Kg, 7547 Wildbad, De
EP0541166A1 (fr) * 1991-11-02 1993-05-12 Philips Patentverwaltung GmbH Dispositif de contrôle de la puissance chauffant une casserole

Also Published As

Publication number Publication date
DE112007001158B4 (de) 2012-02-09
DE112007001158A5 (de) 2009-02-26
DE102006022327A1 (de) 2007-11-15

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