EP1580487A1 - Plaque de cuisson controlé de manière électronique avec plusieurs plaques électriques et procédé pour son opération - Google Patents

Plaque de cuisson controlé de manière électronique avec plusieurs plaques électriques et procédé pour son opération Download PDF

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Publication number
EP1580487A1
EP1580487A1 EP05004406A EP05004406A EP1580487A1 EP 1580487 A1 EP1580487 A1 EP 1580487A1 EP 05004406 A EP05004406 A EP 05004406A EP 05004406 A EP05004406 A EP 05004406A EP 1580487 A1 EP1580487 A1 EP 1580487A1
Authority
EP
European Patent Office
Prior art keywords
cooking
hob
cooking vessel
selection
sensor
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
EP05004406A
Other languages
German (de)
English (en)
Other versions
EP1580487B1 (fr
Inventor
Baier Martin
Knappe Gerd
Mathias Bellm
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau 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 EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of EP1580487A1 publication Critical patent/EP1580487A1/fr
Application granted granted Critical
Publication of EP1580487B1 publication Critical patent/EP1580487B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, 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
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—Heating plates with pan detection means

Definitions

  • the invention relates to a hob with several cooking zones according to the The preamble of claim 1 and a method for operating such Hob, which may be electronically controlled in particular.
  • the invention is based on the object, an aforementioned Cooktop and an aforementioned method to create, with which the problems and disadvantages of the prior art avoided and cooking hobs and their operation further developed can be, in particular a selection of a cooking place at any possible operating conditions can be improved.
  • such a hob a selection device for each hotplate, with which this selected can be used to prepare an operator-initiated or desired change of the operating state of the cooking area.
  • Prefers is such a change in the operating state is a change of Power.
  • the selection device has an actuation sensor on or such a device.
  • the actuation sensor is designed such that he has a touch of a cooking vessel on this cooking place an operator recognizes. Such a touch evaluates the hob as a selection of this cooking place, depending on an operator-dependent Change of the operating state of the hob by more Enable operator input.
  • a touch or a touch of a cooking vessel detected by the hob is assigned and this cooking vessel or the relevant cooking area becomes. From the point of view, this is taken as the selection of the cooking area, in order to depend on known methods according to the operating condition to change this cooking place. So can on more input elements or omitted controls such as the aforementioned select buttons become. Furthermore, an instinctive selection of a cooking place by touching the cooking vessel on top. After all it has proved in the context of investigations of this invention, that in many cases a touch of the cooking vessel, for example when lifting the lid or while stirring with the same time Clinging takes place. These actions follow in practice often changes at least in the power setting of the hotplate, because the operating state is detected as not desired. Consequently the selection of cooking zones to be changed happens more or less automatically or by itself. In addition to the savings effect of a so-called selection button In many cases, an operator may even still have to select spared yourself.
  • an actuation sensor can basically different types of Sensors are used, which are the touching of the cooking vessel detect.
  • This can be a so-called capacitive sensor, as he For example, in DE 42 24 934 A is described.
  • it can be an inductive sensor, which for example have coil shape can.
  • Such an inductive sensor is for example in DE 196 03 845 A discloses.
  • an actuation sensor detects a slight movement of the cooking vessel, for example a slight back and forth by a few inches.
  • Such a Operation may, in addition to usual, prescribed methods also by optical sensors or the like above the hob as well Sensors for vibration or acceleration under the hob be recognized.
  • an actuation sensor at the same time a so-called cooking vessel detection sensor be known, also known as pan detection.
  • a so-called cooking vessel detection sensor be known, also known as pan detection.
  • actuation sensor is below the hob or a hob plate is arranged. So he disturbs the appearance not, is easy to install or provide on the hob and is also from impairment such as pollution or like protected.
  • a hob plate is advantageous made of glass ceramic, which is permeable to the aforementioned sensors.
  • even a plurality of actuation sensors per selection device or per hob provided be. These are advantageously arranged at different positions.
  • the multiple actuation sensors can do this arranged in cooperation with possible sizes of the cooking vessel so be that depending on the size of the cooking vessel respectively only one actuation sensor responds to touching a cooking vessel.
  • a Feedback is issued to an operator, which is a Selection state or a change of the operating state of a Cooking plate indicates. For example, if a selection is detected as such, a feedback can be sent to the operator. This can be visual or acoustically.
  • a Hotplate is lifted immediately if an inappropriate operating state entry or selected, for example, another hotplate becomes. Either then this additional cooking is selected or just the selection of the previous ones canceled.
  • a selection is recognized as such when a standing on the hob Cooking vessel is touched for a certain time.
  • This time should also in the range of seconds, preferably at least a second. This avoids that at a fleeting touch, which due to their short time actually only may be unintentional, a selection takes place.
  • the aforementioned Types of sensors may have this frequency in the range of 2 MHz to 30 MHz, preferably between 8 MHz and 20 MHz. This is due to the applied evaluation method of frequency measurement.
  • To the extremely small change in the resonant circuit capacity of to be able to evaluate about 5 pF by touching the cooking vessel is it is necessary to keep the resonant circuit close to the natural resonance of the resonant circuit To operate sensors.
  • FIG. 1 shows a schematic oblique view of a cooking hob according to the invention with four burners and one as a selector serving cooking vessel detection.
  • a hob 11 is shown schematically in an oblique view, in to which the invention is realized in two variants.
  • the stove top 11 has a glass ceramic plate 12 which forms the surface.
  • On the Glass ceramic plate 12 are provided a plurality of cooking zones 14a-d, as in a conventional hob, namely approximately equally distributed. she can by appropriate markings on the top of the glass ceramic plate 12, for example, corresponding imprints or the like, be marked.
  • switchable multi-circuit cooking zones be it in round or oblong shape.
  • a heater 16a-d is provided in each case. These are so-called 12 especially in glass ceramic plates Radiant heaters. It could alternatively also induction heaters used, the type of heating used for the invention plays no role in this regard.
  • Each of the heaters 16a-d is controlled via a controller 18 and according to a selected Cooking or power level powered. These are the circuit breakers 20a - d are provided, namely for each heater 16 a.
  • touch switches 21 which on the right edge of Glass ceramic plate 12 are arranged and corresponding markings On the top of the plate may be the operation of the Hob 11 done, for example, as a setting of a cooking or Power level for the heater 16 a hob 14.
  • the touch switch 21 with plus and minus symbols to increase or reduction of the performance.
  • the touch switches 21 can be designed for example as a capacitive touch switch and so-called touch buttons or switches. In addition to capacitive Functional principles can also be used optical or other as well as mechanical switches or the like are possible. By placing a finger 27, the touch switch 21 can be operated according to their function.
  • a cooking vessel detection sensor 22a is provided which has approximately coil shape and is connected to the controller 18.
  • Such a sensor is described for example in EP 788 293 A, which are expressly referred to in terms of possible realizations becomes.
  • Such a cooking vessel detection sensor 22a is in the Usually used to put a cooking vessel 25 a on the Hotplate 14a to capture and only then a power release on the To allow heating 16a. So can a malfunction of a cooking place or an associated heater without an attached cooking vessel, off which either a risk of burns or at least energy loss would be avoided.
  • two Cooking vessel detection sensors 22d arranged which are not in coil form are formed, but form two individual surfaces, with respect to the size of the hob 14d at the edge, approximately opposite are arranged.
  • These cooking vessel detection sensors 22d can have a capacitive operating principle, as for example from DE 42 24 934 A is known. Although another functional principle used. The purpose, however, is the same, namely the recognition the presence, the training and possibly also the size of one belonging to the cooking vessel detection sensor Cooking place patch vessel.
  • the operating frequency of the cooking vessel detection sensor to very high values of for example 2 MHz to 30 MHz, preferably 8 to 20 MHz, to move.
  • This hotplate for example, could also be connected to an additional heating zone become.
  • this Selection state a few seconds, for example 3 to 10 seconds, to maintain. This will give a user enough time after selecting a particular hob their performance or change state.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
EP05004406A 2004-03-02 2005-03-01 Plaque de cuisson controlé de manière électronique avec plusieurs plaques électriques et procédé pour son opération Not-in-force EP1580487B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004011749A DE102004011749A1 (de) 2004-03-02 2004-03-02 Elektronisch gesteuertes Kochfeld mit mehreren Kochstellen und Verfahren zum Betrieb eines solchen Kochfeldes
DE102004011749 2004-03-02

Publications (2)

Publication Number Publication Date
EP1580487A1 true EP1580487A1 (fr) 2005-09-28
EP1580487B1 EP1580487B1 (fr) 2009-07-01

Family

ID=34853978

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05004406A Not-in-force EP1580487B1 (fr) 2004-03-02 2005-03-01 Plaque de cuisson controlé de manière électronique avec plusieurs plaques électriques et procédé pour son opération

Country Status (4)

Country Link
EP (1) EP1580487B1 (fr)
AT (1) ATE435401T1 (fr)
DE (2) DE102004011749A1 (fr)
ES (1) ES2329379T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1768258A2 (fr) * 2005-09-26 2007-03-28 E.G.O. ELEKTRO-GERÄTEBAU GmbH Circuit d'évaluation de l'êtat d'un capteur
WO2010097504A1 (fr) * 2009-02-24 2010-09-02 Marimils Oy Système d'électrodes planes
EP2741571A1 (fr) * 2012-12-05 2014-06-11 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de champ de cuisson
EP2824393A1 (fr) * 2013-07-09 2015-01-14 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de plaque de cuisson
EP1675435B1 (fr) 2004-12-21 2016-07-20 Groupe Brandt Procédé de commande d'une table de cuisson et table de cuisson associée

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005041028A1 (de) * 2005-08-23 2007-03-01 E.G.O. Elektro-Gerätebau GmbH Elektronisch gesteuertes Kochfeld mit mehreren Kochstellen und Verfahren zum Betrieb eines solchen Kochfeldes
DE102007034703A1 (de) 2007-07-18 2009-01-22 E.G.O. Elektro-Gerätebau GmbH Bedieneinrichtung für ein Elektrogerät wie ein Kochfeld odgl. und Anordnung derselben
DE102009034203A1 (de) 2009-07-16 2011-01-20 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betrieb eines Kochfelds
CN102644943B (zh) * 2012-03-19 2016-08-10 孙皓然 防溢漏电磁炉
DE102019128303B3 (de) 2019-10-21 2020-12-10 Miele & Cie. Kg Verfahren zum Betrieb eines Kochsystems sowie Kochfeld und Gargeschirr
DE202022106277U1 (de) 2022-11-09 2022-11-16 Termacook Gmbh Sensorgesteuertes Kochfeld
DE102022129549A1 (de) 2022-11-09 2024-05-16 Termacook Gmbh Sensorgesteuertes Kochfeld
DE202023103051U1 (de) 2023-06-02 2023-06-16 Termacook Gmbh Kochfeld mit integriertem Abzug und mit Beleuchtung, Verwendung des Kochfeldes zur Beleuchtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0729292A1 (fr) * 1995-02-21 1996-08-28 Thielmann Ag Kommanditgesellschaft Table de cuisson
US20020162730A1 (en) * 2001-05-07 2002-11-07 Oliver Gremm Touch switch layout and method for the control of a touch switch
EP1344983A2 (fr) * 2002-03-13 2003-09-17 Cherry GmbH Arrangement pour le contrôle d'un plaque de cuisson

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19603845B4 (de) * 1996-02-05 2010-07-22 E.G.O. Elektro-Gerätebau GmbH Elektrischer Strahlungsheizkörper mit einem aktiven Sensor zur Kochgefäßerkennung
DE19825321C1 (de) * 1998-06-05 2000-02-10 Bsh Bosch Siemens Hausgeraete Kochfeld mit Bedieneinheit zur Vorgabe der Leistungsstufe und Verfahren zum Einstellen der Leistungsstufe eines Heizelementes eines Kochfeldes
DE10042775A1 (de) * 2000-08-31 2002-03-14 Diehl Ako Stiftung Gmbh & Co Topferkennung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0729292A1 (fr) * 1995-02-21 1996-08-28 Thielmann Ag Kommanditgesellschaft Table de cuisson
US20020162730A1 (en) * 2001-05-07 2002-11-07 Oliver Gremm Touch switch layout and method for the control of a touch switch
EP1344983A2 (fr) * 2002-03-13 2003-09-17 Cherry GmbH Arrangement pour le contrôle d'un plaque de cuisson

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1675435B1 (fr) 2004-12-21 2016-07-20 Groupe Brandt Procédé de commande d'une table de cuisson et table de cuisson associée
EP1675435B2 (fr) † 2004-12-21 2019-12-04 Groupe Brandt Procédé de commande d'une table de cuisson et table de cuisson associée
EP1768258A2 (fr) * 2005-09-26 2007-03-28 E.G.O. ELEKTRO-GERÄTEBAU GmbH Circuit d'évaluation de l'êtat d'un capteur
EP1768258A3 (fr) * 2005-09-26 2009-04-29 E.G.O. ELEKTRO-GERÄTEBAU GmbH Circuit d'évaluation de l'êtat d'un capteur
WO2010097504A1 (fr) * 2009-02-24 2010-09-02 Marimils Oy Système d'électrodes planes
CN102333994A (zh) * 2009-02-24 2012-01-25 马里米斯有限公司 平面电极系统
US8963056B2 (en) 2009-02-24 2015-02-24 Elsi Technologies Oy. Planar electrode system
AU2010217549B2 (en) * 2009-02-24 2015-07-09 Elsi Technologies Oy Planar electrode system
EP2741571A1 (fr) * 2012-12-05 2014-06-11 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de champ de cuisson
EP2824393A1 (fr) * 2013-07-09 2015-01-14 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de plaque de cuisson

Also Published As

Publication number Publication date
EP1580487B1 (fr) 2009-07-01
ATE435401T1 (de) 2009-07-15
DE502005007599D1 (de) 2009-08-13
ES2329379T3 (es) 2009-11-25
DE102004011749A1 (de) 2005-09-15

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