EP2432296A2 - Dispositif de chauffage - Google Patents

Dispositif de chauffage Download PDF

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Publication number
EP2432296A2
EP2432296A2 EP11179238A EP11179238A EP2432296A2 EP 2432296 A2 EP2432296 A2 EP 2432296A2 EP 11179238 A EP11179238 A EP 11179238A EP 11179238 A EP11179238 A EP 11179238A EP 2432296 A2 EP2432296 A2 EP 2432296A2
Authority
EP
European Patent Office
Prior art keywords
heating
units
zones
unit
frequency
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.)
Withdrawn
Application number
EP11179238A
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German (de)
English (en)
Other versions
EP2432296A3 (fr
Inventor
Ignacio Garde Aranda
Alfonso Lorente Perez
Oscar Lucia Gil
Ignacio Millan Serrano
Ramon Peinado Adiego
David Valeau Martin
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 EP2432296A2 publication Critical patent/EP2432296A2/fr
Publication of EP2432296A3 publication Critical patent/EP2432296A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • 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
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • 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
    • 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
    • H05B2213/03—Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate

Definitions

  • the invention relates to a heating device according to the preamble of claim 1.
  • Matrix hobs with a large number of inductors are known from the prior art, which are arranged in a matrix and can be flexibly combined into freely definable heating zones. Each inductor is uniquely associated with an inverter that generates a high frequency heating current to operate the inductor. A frequency of the heating current can be set by a control unit of the induction hob independently of the heating frequency of the other inductors.
  • the object of the invention is, in particular, to provide a generic heating device which combines low costs with a comfortable operability.
  • the object is achieved by the features of claim 1, while advantageous embodiments and refinements of the invention can be taken from the dependent claims and an independent claim.
  • the invention is based on a heating device with frequency units, heating units and at least one allocation unit which is provided to allocate at least one frequency unit to at least one heating zone formed by at least one of the heating units.
  • the allocation unit is provided for allocating at least one frequency unit to at least two heating zones as a function of at least one variable criterion.
  • a “frequency unit” is to be understood in particular as a unit which generates an oscillating electrical signal of a specific heating frequency for a heating unit and which preferably comprises at least one inverter.
  • a “heating unit” is to be understood in particular as meaning a unit which is intended to heat a cookware set up on a cooktop plate above the heating unit.
  • the heating unit comprises an inductor coil with high-frequency alternating current the heating frequency is fed from a frequency unit.
  • a “heating zone” is to be understood as meaning at least one heating unit and preferably a combination of a plurality of heating units, which thereby form, in particular, a contiguous surface area of the hob plate which is provided for heating a cooking utensil parked on the surface area.
  • all of a heating zone associated heating units are powered by a single frequency unit with electrical energy.
  • An “allocation 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 hob, in particular an induction hob.
  • the allocation unit preferably comprises a computing unit and, in particular in addition to the computing unit, a memory unit with a mapping program stored therein.
  • variable criterion is to be understood in particular as meaning an assignment made by an operator and / or a criterion having a variable parameter, which may assume different characteristic values, in particular in different operating modes.
  • the fact that a frequency unit is "assigned" to at least two heating zones means, in particular, that a live connection, in particular in the form of an electrical line, is provided between the frequency unit and the heating zones.
  • each frequency unit is assigned exactly one heating zone as long as the number of heating zones is less than the number of available frequency units.
  • the allocation unit assigns at least one frequency unit to at least two heating zones, taking into account the variable criterion, so as to achieve advantageous operation of all existing heating zones. As a result, a high level of operating comfort can be achieved.
  • the allocation unit allows at least two different operating modes for the creation of new heating zones, in particular one or more manual modes and / or one or more automated modes.
  • a “manual mode” is to be understood here in particular as a mode in which an operator intervenes in the assignment by means of at least one manual input.
  • An “automated mode” is to be understood in particular as a mode in which the allocation unit automatically makes an assignment by evaluating at least one criterion.
  • the heating zones are formed by a combination of a plurality of heating units arranged in a matrix.
  • the heating units being arranged in a matrix should be understood to mean, in particular, that the heating units are arranged in a regular grid under the hob plate, and a region of the hob plate which can be heated by means of the heating units is preferably at least 60%, in particular at least 70%.
  • advantageously comprises at least 80% and particularly advantageously at least 90% of a total area of the hob plate.
  • the matrix comprises at least 10, in particular at least 20, advantageously at least 30 and particularly advantageously at least 40 heating units. In this way, a particularly flexible usable hob can be created.
  • variable criterion is an assignment by an operator.
  • An "assignment by an operator” is understood in particular to mean that an operator decides which frequency unit is assigned to which heating zones.
  • the allocation unit is provided to issue an operating request, in particular acoustically and / or visually on an operating display, if in addition to already operated heating zones another heating zone is added and particularly advantageous if the number of heating zones is greater than the number by the further heating zone the frequency units.
  • the heating zones associated with the cookware can be assigned to a frequency unit.
  • variable criterion is a power level selected by an operator of at least one heating zone.
  • a "power level selected by an operator” is to be understood in particular as meaning a set power level for a heating zone and / or in particular a power level selected by an operator when setting up a cookware for the newly created heating zone.
  • the allocation unit in the formation of another Heating zone by setting up another cookware an audible and / or visual control prompt for entering a power level for the new heating zone.
  • the allocation unit decides preferably based on the selected power levels, in particular all heating zones, which frequency units are assigned to which heating zones, so that an actual heating power of each heating zone of the selected power level comes as close as possible.
  • the allocation unit summarizes those heating zones whose selected power levels are identical. As a result, a particularly comfortable operation can be achieved.
  • the allocation unit advantageously takes into account that a maximum power of a frequency unit is maintained. As a result, an unexpected loss of heating power can be avoided at least one heating zone.
  • variable criterion is an elapsed heating time of at least one heating zone.
  • a "heating time” is to be understood here in particular as a time span which has elapsed since an activation and preferably since a last setting of a power level not equal to zero of the heating zone.
  • the allocation unit is intended to take into account the heating time of a heating zone in addition to the power level selected by an operator when assigning the frequency units to the heating zones. As a result, an intelligent control can be achieved, which reduces the heating power at those heating zones, where this has the least disturbing effect. This can further relieve an operator.
  • variable criterion is a temperature of at least one heating zone.
  • a "temperature of a heating zone” is to be understood here in particular as meaning a temperature of a surface area of the cooking field plate assigned to the heating zone and / or of a cookware on the hob plate. Therefore, at least some and in particular all heating units of the hob advantageously have a temperature sensor.
  • a frequency unit can be assigned to several heating zones with a similar surface temperature.
  • the allocation unit is provided to the temperature of a heating zone in addition to the selected by an operator power level in the allocation of the frequency units to consider the heating zones. As a result, an intelligent control can be achieved, which reduces the heating power at those heating zones whose temperatures are above a specified temperature threshold. This can contribute to a relief of an operator and improve a cooking result advantageous.
  • variable criterion is at least one state of the gas.
  • a "cooking state” is to be understood as meaning, in particular, a drainage status of a cooking program and / or a state of a cooking item, in particular a phase transition and particularly advantageously a boiling of at least a portion of the item to be cooked.
  • the allocation unit is provided to take into account the state of cooking a food on a heating zone in addition to the selected by an operator power level in the allocation of the frequency units to the heating zones. As a result, an intelligent control can be achieved, which reduces the heating power at those heating zones, where this is possible by a state of cooking. As a result, ease of use can be increased particularly advantageous.
  • variable criterion is a difference and / or a time profile of at least one variable.
  • a "size" here is to be understood in particular as meaning a physical parameter, in particular a power and / or an energy and / or a temperature and / or a time and / or a voltage and / or an electric current.
  • variable criterion is an overall performance of all heating zones selected by an operator. If the sum of the power levels of all heating zones selected by an operator exceeds the total power of all frequency units, this preferably takes the allocation unit into account.
  • the heating zones are prioritized according to various criteria which appear appropriate to a person skilled in the art, so that the heating zones of high priority are operated with the selected power stage, the heating power required for this being subtracted from the other heating zones of lower priority. By such a configuration, a temporary peak performance can be intercepted.
  • the allocation unit is provided to perform a clocked operation of at least one of the heating zones.
  • a “clocked operation” is to be understood as an operation of a heating unit in which the heating unit is switched off temporarily and in particular during integer half-waves of the frequency unit.
  • any average heating power for a heating unit can be achieved.
  • a frequency unit is assigned to at least two heating zones, at least one of the heating zones can be operated in a clocked manner. As a result, different average heating capacities for the heating units of the two heating zones can be achieved.
  • any number of heating zones with arbitrary power levels can be operated with a limited number of frequency units until a maximum power of each frequency unit is reached.
  • a hob in particular an induction hob with a heating device according to the invention is proposed.
  • a method with a heating device with frequency units and heating units is proposed in which at least one frequency unit is assigned to at least one heating zone formed by at least one heating unit, wherein at least one frequency unit is assigned at least two heating zones depending on at least one variable criterion.
  • Fig. 1 shows in a schematic representation obliquely from above a heating device 18 of an induction cooktop, which has 64 heating units 11 in the form of inductor coils 20 which are arranged in a square 8x8 grid. Furthermore, the heating device 18 has four frequency units 10, each comprising an inverter 22 and which are provided to supply the heating units 11 in a known manner with high-frequency alternating current. Furthermore, the heating device 18 has an allocation unit 14 which is provided to form heating zones 12a, 12b from the heating units 11 which are at least partially covered by the cooking utensils 24a, 24b and to assign at least one frequency unit 10 to these heating zones 12a, 12b.
  • the heating device 18 has pot detection means (not shown).
  • the assignment of the frequency units 10 to the heating zones 12a, 12b is defined by a switching position of a switching unit 26.
  • each heating unit 11 is assigned its own switching element 28 in the form of a MOSFET, which is provided for interrupting the power supply of the individual heating units 11.
  • each of the four heating zones 12c-f corresponding to the cooking utensils 24c-f is assigned a frequency unit 10, respectively.
  • the number of heating zones 12c-f exceeds the number of frequency units 10.
  • a heating zone 12g corresponding to the fifth cookware 24g is added to one of the already existing heating zones 12c-f, as shown in FIG Fig. 2b indicated by the different hatching.
  • the heating zones 12f and 12g are operated by a single common frequency unit 10.
  • the allocation unit 14 is provided to allocate at least one frequency unit 10 depending on at least one variable criterion at least two heating zones 12f, 12g. In addition, the allocation unit 14 can also be provided to allocate at least two frequency units 10 depending on at least one variable criterion of a heating zone 12g. As a result, a heating power exceeding a maximum power of a single frequency unit 10 can be achieved for a heating zone 12g.
  • the induction hob has a choice of two operating modes for the assignment of frequency units 10 to heating zones 12f, 12g. This is a manual mode and an automated mode with little interaction with an operator. In alternative embodiments of the invention, the cooktop may also have only a manual mode or even an automated mode.
  • the variable criterion is an assignment by an operator.
  • the induction hob in a side portion of the cooktop panel 30 has an operating device 32.
  • the operating device 32 includes touch-sensitive buttons.
  • the operating device 32 has a display unit 34.
  • the display unit 34 is in the form of a touchscreen.
  • the newly created heating zone 12g and the selected heating zone 12f are then operated by the same frequency unit 10 and therefore also with the same heating power per heating unit 11. The operator thereby obtains the possibility of creating a performance-dependent cooking zone from a plurality of heating zones 12g, 12f.
  • the heating power of the selected heating zones 12g, 12f can also be reduced, in particular if each assignment of heating zones 12g, 12f would exceed the maximum power of a frequency unit 10.
  • the variable criteria are selected power levels, namely differences of two power levels, a selected total power, elapsed heating times and temperatures of the heating zones 12c-g, and a respective state of cooking of a food on the heating zones 12c-g.
  • the allocation unit 14 is designed to carry out a method with a heating device with frequency units 10 and heating units 11, in which at least one frequency unit 10 is allocated to at least one heating zone 12a-g formed by at least one of the heating units 11, wherein at least one frequency unit 10 depends on at least a variable criterion at least two heating zones 12f, 12g is assigned.
  • the assignment takes place according to the in the Fig. 3a . 3b and 3c shown flowcharts. Fig.
  • FIG. 3a shows the flow diagram of a Bankergna to create new heating groups, wherein a heating group is defined by the fact that it comprises at least one heating zone 12c-g and the heating zones 12c-g of the heating group are operated by a single frequency unit 10.
  • Fig. 3b shows the flowchart of a heating group assignment for the assignment of heating zones 12c-g to the previously created heating groups.
  • 3 c shows the flowchart of a performance prioritization for prioritizing the heating zones 12c-g in the case of a choice of too high a total power of all heating zones 12c-g.
  • Heating group creation is started whenever a parameter of the induction hob is changed.
  • the Bankmaschineer ein can be restarted at regular time intervals, in particular at intervals of 60 s. In this way it can be ensured that in each case an optimal allocation of heating zones 12c-g to heating groups is made.
  • the index "i" designates in each case a parameter of a heating zone H i , eg a selected power stage P i , a heating time t i and a temperature T i , and the index "k” respectively a parameter of a heating group G k , eg a heating power P k .
  • the number of available frequency units 10 of the induction hob is denoted by "X”.
  • a first step 36 it is determined whether the sum of the selected power levels P i of all heating zones H i exceeds a maximum total power of all frequency units 10. If this is the case, then in step 37 with the performance prioritization according to Fig. 3c continued.
  • step 38 for each heating zone H i whose heating time t i is less than a predetermined lower time limit t 1, a separate heating group G k is created so that each of these heating groups G k comprises exactly one heating zone H i .
  • This makes it possible to ensure that a heating zone H i with a low heating time t i and, in particular, those which have just been created are operated with the selected power stage P i .
  • a determination of the lower time limit t 1 takes place in a current cooking program due to specifications of the cooking program or in a program-less cooking by a stored numerical value.
  • a further step 42 it is checked whether the number of heating groups G k is exactly X. If this is the case, then in step 43 with the Schumaschinezuowski according to Fig. 3b continued.
  • heating zones H i are formed until a maximum of X heating groups G k are reached.
  • Heating zones H i with a small heating time t i are considered here first. This makes it possible to ensure that a maximum power level P i at a heating zone H i is maintained at least during a predefined time. This can be advantageous in particular during a frying process.
  • a determination of the lower time limit t 2 takes place in a running cooking program due to specifications of the cooking program or in a program-less cooking process by a stored numerical value.
  • a renewed check of the number of previously formed heating groups G k takes place in step 45. If exactly X heating groups G k were reached in step 44, then the heating group assignment is performed in step 46 Fig. 3b continued. If less than X heating groups G k created, the remaining heating groups G k are created in a final step 47. In this step, a heating group G k is formed in each case for heating zones H i with the same power level P i until a total of X heating groups G k exist. It should be noted that a total power level of a heating group G k remains below a maximum power of a single frequency unit 10. Exceeds the overall performance level for an assignment a heating group G k, the maximum power of a single frequency unit 10, this assignment is discarded.
  • heating zones H i with different power level P i exist or matching pairs exceed the maximum power of a single frequency unit 10 in their total power stage individual heating zones H i are assigned to a heating group G k in the order of descending power levels P i .
  • each of these heater groups G k is assigned to a frequency unit 10 of the respective heating group G k feeds the heating zones H i with a heating power P k, where the heating power P k of the power level of the heating group G k corresponds to P i of the first heating zone H i. Furthermore, there are a lot of allocationless heating zones H i .
  • step 50 the selected power level P i of the heating zone H i is greater than the heating power P k of the heating group G k . It is thus checked whether in an assignment of the heating zone H i to the heating group G k, the power level P i of the heating zone H i is increased or decreased. Both are acceptable only under certain conditions.
  • step 52 it is checked in step 52 whether the temperature T i of the heating zone H i has already exceeded an upper temperature limit T o .
  • a determination of the upper temperature limit T o is carried out at a current cooking program due to specifications of the cooking program or a program-less cooking by a stored numerical value. If so, then a takeover of the heating zone H i is rejected in the heating group G k and step 50 is repeated with the allocation-less heating zone H i with the next smaller power level P i . If the temperature T i of the heating zone H i has not yet exceeded the upper temperature limit value T o , then it is checked in step 54 whether the heating time t i has exceeded an upper time limit t 3 .
  • step 56 it is finally checked in step 56 whether the relative difference (P k -P i ) / P k between the heating power P k of the heating group G k and the selected Power level P i of the heating zone H i is less than 20%. Alternatively, it can also be checked at this point whether the difference between the heating power P k of the heating group G k and the selected power level P i of the heating zone H i is minimal in comparison to the differences between the heating power P k of the heating group G k and the others Power levels P i of the allocationless heating zones H i .
  • step 50 is repeated with the allocationless heating zone H i with the next lower power level P i .
  • step 58 it is checked in step 58 whether the temperature T i of the heating zone H i has already fallen below a lower temperature limit T U. As a result, further cooling of a heating zone H i that is already too cold can be avoided.
  • a determination of the lower temperature limit T U is carried out at a running cooking program due to specifications of the cooking program or in a program-less cooking by a stored numerical value. If the temperature T i has already fallen below the lower temperature limit T U , then a recording of the heating zone H i in the heating group G k is discarded and step 50 is repeated with the allocation-less heating zone H i with the next smaller power level P i .
  • step 56 it is finally also checked in step 56 whether the relative difference (P k -P i ) / P k between the heating power P k of the heating group G k and the selected Power level P i of the heating zone H i is less than 20%. Alternatively, it can also be checked at this point whether the difference between the heating power P k of the heating group G k and the selected power level P i of the heating zone H i is minimal in comparison to the differences between the heating power P k of the heating group G k and the others Power levels P i of the allocationless heating zones H i .
  • step 50 a recording of the heating zone H i in the Heating group G k discarded and step 50 is repeated with the allocation without heating zone H i with the next smaller power level P i .
  • step 60 it is checked in step 60 whether the maximum power of a frequency unit 10 is exceeded when adding the heating zone H i to the heating group G k . If so, a takeover of the heating zone H i is rejected in the heating group G k and step 50 is repeated with the allocation-less heating zone H i with the next smaller power level P i . By contrast, if the maximum power of a frequency unit 10 is large enough, then in step 64 the heating zone H i is assigned to the heating group G k . In a further step 66, a query is made as to whether all allocation-less heating zones H i have been checked.
  • step 50 the unadjusted heating zone H i with the next lower power level P i . Otherwise, a query is made in step 68 as to whether all X heating groups G k have been processed. If so, then the Schumanzuowski elbow ends with a step 70. If there are still unadjusted heating zones H i , then follows an optical and acoustic control request to an operator to assign the relevant heating zones H i manually a heating group G k . In addition, the operator has the option here of manually changing the automatic assignment of heating zones H i to heating groups G k .
  • the power prioritization assigns a priority number Prio i to each heating zone H i .
  • Heating zones H i with a high priority number Prio i are preferred in allocating the remaining heating power to such heating zones H i with a low priority number Prio i .
  • Step 73 it is queried whether the heating time t i of the heating zone H i lies below a time limit value t 4 . If this is the case, Prio is increased by 2 in step 74.
  • a determination of the time limit t 4 takes place during a running cooking program on the basis of specifications of the cooking program or during a program-less cooking process by a stored numerical value.
  • step 75 it is queried whether the temperature T i of the heating zone H i is below the lower temperature limit T U.
  • a determination of the lower temperature limit T U is carried out at a running cooking program due to specifications of the cooking program or in a program-less cooking by a stored numerical value. If the temperature T i of the heating zone H i is below the lower temperature limit T U , the heating zone H i is too cold and Prio is increased by 3 in step 76. In a further step 77 it is determined whether a state of cooking of a prepared on the heating zone H i item to be cooked, the selected power level P i required.
  • the cooking state can be a status of a running cooking program or, on the other hand, if a program-less cooking process is carried out with the heating zone H i , a boiling state of the cooking product which is due to a high power level P i and at the same time a disappearing temperature T i is marked. If the cooking state requires the set power level according to a cooking program, Prio is incremented by 4 in step 78. If a boiling state of the food is detected, Prio is decremented by 4 in step 79. In step 80 it is checked whether the heating time t i of the heating zone H i is above a time limit t 5 , which is significantly greater than the time limit t 4 .
  • a determination of the time limit t 5 takes place during a running cooking program on the basis of specifications of the cooking program or during a program-less cooking process by a stored numerical value. If the heating time t i of the heating zone H i is above a time limit value t 5 , Prio is decremented by 2 in step 81. In a further step 82, it is finally queried whether the temperature T i of the heating zone H i lies above the upper temperature limit value T o . A determination of the upper temperature limit T o is carried out at a current cooking program due to specifications of the cooking program or a program-less cooking by a stored numerical value.
  • step 84 If the temperature T i of the heating zone H i is above the upper temperature limit T o , the heating zone H i overheats and Prio is reduced by 3 in step 84.
  • step 88 it is queried whether all heating zones H i have been processed. If not all the heating zones H i have been processed yet, the next unprocessed heating zone H i is continued with step 72. If all heating zones H i have been processed, the performance prioritization ends with step 90.
  • other numerical values that appear meaningful to a person skilled in the art for increasing or decreasing the counter Prio may also be used.
  • each heating zone H i is assigned a priority number Prio i .
  • Prio i Only the X heating zones H i with the highest priority numbers Prio i are operated individually and with the selected power stage P i at the X frequency units 10. An operator is made visually and acoustically aware of which heating zones H i have been switched off due to a too high overall output.
  • the selected power levels P i in the ratio of the priority number Prio i are all reduced, so that the maximum total power of all X frequency units 10 is sufficient again.
  • the allocation unit 14 is provided to perform a clocked operation of at least one of the heating zones 12a, 12b.
  • the heating units 11 associated with a heating zone 12a, 12b are separated from the frequency unit 10 by the switching elements 28 associated therewith during a certain number of half cycles of the high-frequency alternating current. To avoid a surge, the separation should occur at a zero crossing of the high frequency alternating current.
  • any number of heating zones 12a, 12b can be operated at any desired power levels.
  • the allocation unit 14 is provided to assign a frequency unit 10 to those heating zones 12a, 12b, which allow a clocked operation with the shortest possible shutdown due to a selected power level. As a result, as uniform as possible heating of a cookware can be achieved.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)
  • Central Heating Systems (AREA)
EP11179238A 2010-09-15 2011-08-30 Dispositif de chauffage Withdrawn EP2432296A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201031378A ES2396505B1 (es) 2010-09-15 2010-09-15 Dispositivo de calentamiento.

Publications (2)

Publication Number Publication Date
EP2432296A2 true EP2432296A2 (fr) 2012-03-21
EP2432296A3 EP2432296A3 (fr) 2012-10-24

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EP11179238A Withdrawn EP2432296A3 (fr) 2010-09-15 2011-08-30 Dispositif de chauffage

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EP (1) EP2432296A3 (fr)
ES (1) ES2396505B1 (fr)

Cited By (2)

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CN110050507A (zh) * 2016-12-19 2019-07-23 Bsh家用电器有限公司 家用器具装置
EP4369861A1 (fr) * 2022-11-08 2024-05-15 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'une table de cuisson à induction et table de cuisson à induction

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FR2863039A1 (fr) * 2003-11-27 2005-06-03 Brandt Ind Procede de chauffage d'un recipient pose sur une table de cuisson a moyens de chauffage associe a des inducteurs
WO2009053279A1 (fr) * 2007-10-25 2009-04-30 BSH Bosch und Siemens Hausgeräte GmbH Table de cuisson et procédé de fonctionnement d'un champ de cuisson

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ES2330496B1 (es) * 2007-10-31 2010-09-08 Bsh Electrodomesticos España, S.A. Dispositivo de coccion.
ES2335256B1 (es) * 2008-01-14 2011-01-17 Bsh Electrodomesticos España, S.A. Campo de cocion por induccion con una pluralidad de cuerpos de calentamiento por induccion.
ES2353890B1 (es) * 2008-12-19 2012-01-26 Bsh Electrodomesticos España, S.A. Campo de cocción con al menos tres zonas de calentamiento.
ES2347403B1 (es) * 2008-12-19 2011-08-17 Bsh Electrodomesticos España, S.A. Campo de coccion por induccion y procedimiento para accionar un campode coccion por induccion.

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Publication number Priority date Publication date Assignee Title
FR2863039A1 (fr) * 2003-11-27 2005-06-03 Brandt Ind Procede de chauffage d'un recipient pose sur une table de cuisson a moyens de chauffage associe a des inducteurs
WO2009053279A1 (fr) * 2007-10-25 2009-04-30 BSH Bosch und Siemens Hausgeräte GmbH Table de cuisson et procédé de fonctionnement d'un champ de cuisson

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110050507A (zh) * 2016-12-19 2019-07-23 Bsh家用电器有限公司 家用器具装置
CN110050507B (zh) * 2016-12-19 2021-08-17 Bsh家用电器有限公司 家用器具装置
EP4369861A1 (fr) * 2022-11-08 2024-05-15 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'une table de cuisson à induction et table de cuisson à induction
WO2024099738A1 (fr) * 2022-11-08 2024-05-16 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'une table de cuisson à induction et table de cuisson à induction

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ES2396505B1 (es) 2014-01-21
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