WO2008061916A1 - Heating device and method for heating objects - Google Patents
Heating device and method for heating objects Download PDFInfo
- Publication number
- WO2008061916A1 WO2008061916A1 PCT/EP2007/062263 EP2007062263W WO2008061916A1 WO 2008061916 A1 WO2008061916 A1 WO 2008061916A1 EP 2007062263 W EP2007062263 W EP 2007062263W WO 2008061916 A1 WO2008061916 A1 WO 2008061916A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heating
- group
- unit
- module control
- modules
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 421
- 238000000034 method Methods 0.000 title claims description 15
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000006698 induction Effects 0.000 claims abstract description 17
- 238000010411 cooking Methods 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000011159 matrix material Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000010187 selection method Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- 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
- H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
-
- 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, in particular an induction cooking device, with a set of heating modules according to the preamble of claim 1 and a method for heating objects by means of a set of heating modules according to the preamble of claim 9.
- an induction cooking apparatus with a set of induction heating coils.
- the induction heating coils are each assigned a different control unit which is provided for controlling an operation of the respective induction heating coil.
- the induction cooking apparatus is further provided with a central control unit separate from the control units and arranged to distribute control signals for controlling the induction heating coils to the various control units in one operation.
- the object of the invention is in particular to provide a generic heating device with increased flexibility in the control of a heating operation.
- the invention relates to a heating device, in particular an induction cooking device, with a set of heating modules, each having at least one heating means and a heating module control unit for controlling the heating means.
- At least one first heating module is provided for producing a data communication with at least one second heating module.
- a "data communication” can be understood as meaning a data traffic between the two heating modules, such as a data exchange
- a heating module can be understood as a "heating module” provided for establishing a data communication with a second heating module.
- the one that is designed or programmed to address the second heating module in an electronic manner the first heating module for addressing the second heating module is provided with the electronic address of the second heating module.
- at least the first heating module and advantageously both heating modules are provided with an electronic communication protocol which makes it possible to establish the data communication.
- the heating modules preferably each have a different heating module control unit.
- the heating means preferably comprise a heating element, which is provided in particular for the transmission of a heating signal.
- the heating means may further comprise at least one power unit for providing and / or producing a heating power for the heating element.
- the associated heating module control unit preferably serves to transmit control signals to the power unit. If the corresponding heating element is designed as an induction heating coil, the power unit can use these control signals to produce a heating frequency for a heating field generated by the heating element.
- the heating module control units preferably each have a microprocessor. In particular, the heating module control units can be designed as microcontrollers.
- the heating device has a line which is provided for establishing the data communication between the heating modules. This can be achieved structurally simple if the line preferably connects at least two Schumoduls Kunststoff- units together.
- at least one first heating module control unit be provided for producing a data communication with at least one second heating module control unit.
- a heating module control unit of one of the heating modules is designed as a group unit for controlling a group of heating means.
- the group is formed by heating means belonging to different heating modules.
- the group unit, which belongs to a first heating module is provided for producing a connection, in particular a control connection, to a heating means of at least one second heating module.
- the heating device has a heating group forming unit that serves to form a heating group of heating means provided for heating the object depending on a position of an object relative to the heating modules, and that the group unit serves as a heating group line unit for controlling an operation of the heating group is trained.
- the heating group formation unit may be a unit separate from the heating module control units.
- the heating group formation unit may be formed at least partially in one piece with at least one heating module control unit.
- the heating group line unit is in particular provided to control and / or regulate a power supply of the heating element forming the heating group during operation.
- the heating group may be composed of heating means which are at least partially covered by an object arranged on a cooking plate, such as a cookware.
- the arrangement of the heating means is preferably designed as a matrix arrangement. In this case, heating means of different rows and / or different columns of the matrix arrangement can be at least partially covered by the object placed on the hotplate.
- the group of heating modules defines a contiguous cooking zone of the hotplate surface suitable for heating the article which covers at least a majority of the hotplate surface, advantageously at least 60%, preferably at least 70% and most preferably at least 80% of the hotplate surface.
- the heating means are each assigned a sensor means which is provided to detect the presence of the object in the surroundings of the heating means.
- the heating device is designed as a cooking device for heating a cooking medium arranged on a cooking plate
- the sensor device can detect a covering of its associated heating element by the cooking medium.
- the sensor means may be designed for pan detection.
- the heating device has a unit which is provided to determine the group unit under at least two heating module control units.
- the flexibility can be further increased. It may also be an effective use of the heating module control units, in particular special with regard to a distribution of a workload on the Schumodul horrhimiseren be achieved.
- at least two heating module control units are preferably designed as a potential group unit to be determined, and the unit carries out a selection method for selecting the group unit. High flexibility can be achieved if each heating module control unit in the set of heating modules is designed as a potential group unit.
- the use of an additional component can be dispensed with if the unit for selecting the group unit is formed at least partially in one piece with at least one of the heating module control units.
- the group unit is in control connection with a heating means of the heating group via at least one further heating module control unit.
- structurally simple transmission of control signals of the group unit to the heating means can be achieved by means of an existing circuit.
- a heating module control unit is assigned to at least two, advantageously at least four heating means, whereby components, installation space and costs can be saved.
- the heating device provided for group operation of the heating modules is preferably provided with a large number of heating modules, in particular with at least five, advantageously at least ten heating modules.
- the heating device is preferably provided with a set of at least ten, advantageously at least twenty, more preferably at least forty heating means.
- the heating device has a communication unit which is in operative connection with an operator interface and is provided to produce information for the operator interface based on data of the heating module control units.
- a simple data communication in particular between the operator interface and the group unit, can be achieved.
- the communication unit can collect the data of the heating module control units, for example, filter for relevance and / or edit. hereby Advantageously, an existing operator interface can be used without having to be adapted to direct and expensive data traffic with the heating module control units.
- the invention is further based on a method for heating objects by means of a set of heating modules, each comprising at least one heating means and a heating module control unit for controlling the heating means, in which a group of heating means is formed.
- At least one heating module control unit under at least two heating modules be selected as a group unit to a control of the group.
- the group unit is advantageously subordinated to at least one further heating module control unit. It can thereby be achieved an advantageous relief of the group unit.
- the subordinate heating module control unit can receive control signals from the group unit and control a heating means assigned to it in accordance with these control signals. Alternatively or additionally, the subordinate heating module control unit can transmit the received control signals to a further heating module.
- the group unit is selected by means of an independent determination of the heating module control units, whereby the use of a further unit separate from the heating module control units can be dispensed with.
- a heating group of heating means is formed and the group unit is selected as Bankmansein- unit for controlling an operation of the heating group. This allows a particularly flexible application of the heater and a high ease of use can be achieved. It is also proposed that an identification of an object by the heating means takes place and the group unit is determined as a heating group formation unit for forming a heating group of heating means on the basis of identification information.
- the position of the heating module control units is taken into account in the arrangement of the set of heating modules.
- the heating group line unit inquires information from the heating means forming the heating group, whereby a power operation of the heating group adapted to an object, in particular its geometry, can be achieved.
- the query of an information of a heating medium is preferably carried out via the heating module control unit, which is assigned to this heating means.
- a heating operation coordinated with both objects can be achieved if, for the simultaneous heating of at least two objects, in each case one heating group line unit is assigned to one object.
- Fig. 1 shows an induction hob with a hotplate and a set of
- Heating means and two cooking utensils arranged on the cooking plate, 2 shows an internal circuit of the induction hob of Figure 1,
- Fig. 3 shows the arrangement of the heating means of Figure 1 with control units and
- Fig. 4 shows the arrangement of Figure 3 with two heating groups formed for
- the heating device 10 has a mounting frame 12 for attachment to a countertop, a cooking plate 14 for placing cookware and an operator interface 16 for starting, stopping and adjusting a heating operation.
- On the hotplate 14 two designed as a pot objects 18, 20 are arranged, which are each shown schematically by a solid circle.
- the heating modules 22 each have six heating means 24 (see also FIG. 3), which are each provided with a heating element 26 designed as an induction heating coil.
- the arrangement of the heating elements 26, which are schematically represented in the figure by a dashed rectangle, is designed as a matrix arrangement.
- the heating elements 26 of different columns and different rows are covered by the object 18.
- a corresponding heating element 26 In an operation of a heating module 22, a corresponding heating element 26 generates an alternating magnetic field heating signal H (see FIG. 2) which has a heating frequency, e.g. 25 kHz.
- the heating signal H induces electrical currents in the metallic bottom of the objects 18, 20. These electrical currents heat up due to ohmic losses in the objects 18, 20 located food.
- a heating element 26 in operation of the corresponding heating module 22 is supplied to generate the heating signal H with an alternating electrical current, which oscillates with the heating frequency.
- the heating modules 22 are provided with power units 28 designed as inverters. These power units 28 are shown in FIG.
- the heating device 10 is provided for heating the articles 18, 20 by means of a group operation of the heating means 24.
- the heating means 24 each have a sensor means 30 (see Figure 2), by means of which it can be detected whether a heating means 24 of one of the objects 18, 20 is at least partially covered.
- heating groups 64, 66 of heating formed 24 (see Figure 4), which are each associated with one of the objects 18, 20. If an operator starts a cooking operation of the heating device 10 by means of the user interface 16, this cooking operation is carried out by means of the heating means 24 of both heating groups 64, 66, while the other heating means 24, which do not belong to any of the heating groups 64, 66, remain idle. If the operator adjusts one of the objects 18, 20 on the hotplate 14 or places another cookware on the hotplate 14, corresponding heating groups of heating means 24 corresponding to the heating elements to be heated are adapted or renewed by means of the new arrangement educated.
- the heating device circuit comprises eight heating modules 22.1, 22.2, etc.
- the heating modules 22 each have six heating means 24, each comprising a heating element 26 designed as an induction coil.
- a heating element 26 is assigned a respective power unit 28 for supplying power to the heating element 26.
- the heating means 24 each have a sensor means 30 for pot detection.
- the heating modules 22.1, 22.2, etc. are each provided with a heating module control unit 34.1 to 34.8 (see also FIG. 3).
- the heating module control units 34 are designed as microcontrollers and have a microprocessor, not shown. Alternatively or additionally, the heating module control units 34 may be designed as DSP (Digital Signal Processor or Digital Signal Processing).
- the power units 28 of a heating module 22 and the associated heating module control unit 34 are each mounted on a printed circuit board 36.
- the heating device 10 thus has a number of different printed circuit boards 36, which corresponds to the number of heating modules 22. For the sake of clarity, only two heating modules 22.1, 22.2 with the corresponding circuit boards 36 have been shown in the figure.
- the heating device 10 is provided with a power supply unit 38 which is connected to a mains power supply 40 of a on the other hand and is connected to each of the circuit boards 36 on the other.
- the power supply unit 38 provides a power supply signal on a power rail 42, from each of which a power supply 44 is branched off to supply one of the heating module control units 34.
- the heating device 10 further comprises a communication unit 46 which is connected to the operator interface 16 and the heating module control units 34. The function of the communication unit 46 will be explained in more detail below.
- the power units 28 are each designed as inverters.
- a power unit 28 preferably comprises at least one pair of switching means 48, which are constructed as semiconductor components.
- the switching means 48 of the power units 28 are indicated schematically by means of a transistor symbol, independently of the topology of the power unit 28.
- the switching means 48 are formed as an IGBT (Insulated Gate Bipolar Transistor or Insulated Gate Bipolar Transistor).
- An alternative embodiment of the switching means 48 such as e.g. As MOSFET (Metal Oxide Semiconductor Field Effect Transistor or metal-oxide-semiconductor field effect transistor), or other, the expert appear appropriate sense switching means are conceivable.
- MOSFET Metal Oxide Semiconductor Field Effect Transistor or metal-oxide-semiconductor field effect transistor
- the power units 28 are supplied with an electrical signal 50 which has a direct voltage V.
- the power units 28 generate the alternating current by means of this electrical signal 50 by means of
- the electrical signal 50 is generated by means of rectifying a mains power signal 52.
- the heating device circuit is provided with a rectifier 54, which is shown schematically by means of a diode symbol.
- the rectifier 54 is connected to the circuit boards 36 via a bus bar 56.
- Supply lines 58 for supplying the electrical signal 50 to one of the printed circuit boards 36 or to the power units 28 arranged on this printed circuit board 36 are branched off from this bus bar 56.
- the heating module control units 34 are interconnected by means of a line 60, via which data traffic between the heating module control units 34 can be established.
- FIGS. 3 and 4 A grouping process for forming the heating groups 64, 66 will be explained with reference to FIGS. 3 and 4.
- the matrix arrangement of the heating means 24 is shown. provides.
- the heating module control units 34 which in each case belong to a heating module 22 with six heating means 24, are likewise shown in a schematic representation.
- the heating module control units 34 are interconnected by means of the data exchange line 60.
- the operator interface 16 transmits a signal to the heating module control units 34 via the communication unit 46. Based on this signal, the sensor means 30 associated with the heating means 24 are requested to cover its associated heating element 26 with one of the objects 18, 20 detect. This can be done, for example, by a brief operation of the heating elements 26 and the detection of a current flowing through the corresponding power units 28 current by means of the sensor means 30. Detection information such as, in particular, "heating element covered” or "heating element not covered” is collected by the respective heating module control units 34.
- the heating module control units 34 know the number of heating means 24 of the corresponding heating module 22 covered by an object 18, 20 and their position in the matrix arrangement of the heating means 24. For example, after the pan detection, the heating module control unit 34.2 knows the information the heating module 22.2 has four covered heating means 24.
- first group 62 of heating means 24 formed by all heating means 24 covered by one of the objects 18, 20.
- This group 62 is shown in FIG. From this first group 62, two heating groups 64, 66 are formed, which are each associated with one of the objects 18, 20.
- This formation of the heating groups 64, 66 is performed by means of a first group unit 68 designed as a heating group formation unit 67.
- this group unit 68 among the heating module control units 34 having at least one covered heating means is selected by autonomous determination thereof. In this selection method, parameters of the heating module control units 34 are taken into account, in particular the number of their associated heating means 24 which are covered and the position of the respective heating module control unit 34 in the matrix arrangement of the heating modules 22.
- the group unit 68 can be selected by means of puncturing.
- a score of a heating module control unit 34 may, for example by a linear combination of the number of covered heating means 24, the column number and the row number in the arrangement of the heating modules 22.
- the heating module control unit 34.2 is assigned four covered heating means 24 and the heating module control unit 34.2 is located in the first row and the second column in the arrangement of the heating modules 22. From these numbers 4, 1 and 2, the score of the heating module control unit 34.2 is determined.
- the coefficients of the linear combination are selected such that the selected group unit 68 corresponds to a heating module control unit 34 which has the least number of covered heating means 24.
- each heating module control unit 34 notifies its at least one further heating module control unit 34 of the points reached, and a comparison is made between the points numbers of the various heating module control units 34. This is done in various steps, with each step eliminating at least one heating module control unit 34 until only a single heating module control unit 34 remains.
- This heating module control unit 34 informs the other heating module control units 34 that it has been selected as the group unit 68. In this example, it is assumed that the heating module control unit 34.4 is selected as the group unit 68.
- This group unit 68 serves as a heating group formation unit 67, which causes formation of the heating groups 64, 66 from the group 62.
- the group unit 68 requests information from the further heating module control units 34 participating in the selection process. Based on this information, the heating groups 64, 66 are formed as contiguous groups of heating means 24. After formation of the heating groups 64, 66, one of the heating groups 64, 66 is assigned by the group unit 68 to each covered heating means 24. As a result, for example, during a power operation of the heating groups 64, 66, the heating means 24 can be addressed in accordance with their membership in one of the heating groups 64, 66.
- a group unit 70 or 72 is determined for each heating group 64, 66, which serves as heating group line unit 74 or 76 for controlling an operation of the respective heating group 64 and 66, respectively.
- the group units 70, 72 are formed by the grouping unit 67 designed as a heating group formation unit 67. unit 68 determined.
- an independent determination of the respective group unit 70 or 72 for example by puncturing, take place.
- a heating module control unit 34 can be selected, whose heating means 24 are arranged in the middle of the respective heating group 64, 66.
- the heating module control units 34.1 and 34.8 are designated as group units 70 and 72, respectively.
- a heating module control unit 34 which has exclusively uncovered heating means 24, serves as a heating group line unit. This can be done, for example, when the operator adjusts one of the objects 18, 20 on the cooking plate 14.
- composition of the corresponding heating group 64 or 66 can be adapted, with the determination of the heating module control units 34.1 and 34.8 being maintained as group units 70 and 72, even if they no longer have any covered heating means 24 due to the adjustment.
- the formation of the heating groups 64, 66 and / or the selection of the group units 70, 72 as heating group line units 74, 76 can take place by means of an additional unit separate from the heating module control units 34.
- These functions can be carried out in particular in the embodiment of the heating device 10 shown in FIG. 2 by means of the communication unit 46, which communicates with each of the heating module control units 34.
- the communication unit 46 is then designed as a heating group formation unit.
- the group units 70, 72 Before starting a power operation of the heating groups 64, 66, the group units 70, 72 query information of the further heating module control units 34, which are assigned to the respective heating group 64 and 66, respectively. For example, the group units 70, 72 respectively collect the positions of the respective heating group 64, 66
- Power operation of the heating groups 64, 66 to heat the articles 18, 20 may then be started by the operator via the operator interface 16, which sends a start signal to the group units 70, 72 via the communication unit 46.
- control connections between the respective group unit 70 or 72 and the heating means 24 or heating element 24 forming the heating group 24 are produced.
- the group unit 70 or 72 is connected indirectly via the line 60 and one or more further heating module control units 34, which are assigned to the respective heating group 64 or 66, to heating means 24 of different heating modules 22.
- These heating module control units 34 are subordinate to the group unit 70 or 72.
- the group units 70, 72 decide on the operating strategy for controlling the respective heating group 64, 66.
- the heating units are determined in a soft manner by the group units 70, 72 on the basis of the information received from further heating module control units 34 and / or the user interface 16 24 are to operate individually.
- a power to be output by the heating means 24 can be determined as a function of the area covered by the object 18 or 20. It may also be determined that a different power is to be delivered relative to the article 18 or 20, depending on the position of a heating means 24.
- heating means 24 arranged at the edge of the articles 18, 20 can be operated with a lower power than the heating means 24 arranged in the middle of the objects 18, 20.
- the group units 70, 72 supply control signals to their subordinate heating module control units 34, which control their associated heating means 24 accordingly.
- Heating module 74 heating group line unit
- heating means 76 heating group line unit
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Electric Stoves And Ranges (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007002256T DE112007002256A5 (en) | 2006-11-21 | 2007-11-13 | Heating device and method for heating objects |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200603046A ES2310107B1 (en) | 2006-11-21 | 2006-11-21 | HEATING AND PROCEDURE DEVICE FOR THE WARMING OF OBJECTS. |
ESP200603046 | 2006-11-21 |
Publications (1)
Publication Number | Publication Date |
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WO2008061916A1 true WO2008061916A1 (en) | 2008-05-29 |
Family
ID=39015699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/062263 WO2008061916A1 (en) | 2006-11-21 | 2007-11-13 | Heating device and method for heating objects |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE112007002256A5 (en) |
ES (1) | ES2310107B1 (en) |
WO (1) | WO2008061916A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2129191A1 (en) * | 2008-05-30 | 2009-12-02 | Electrolux Home Products Corporation N.V. | Subsystem assembly for induction |
DE102009020905A1 (en) * | 2009-05-12 | 2010-12-09 | Diehl Ako Stiftung & Co. Kg | Hob for use in cookware, has multiple heating elements, which are arranged in or below hot plate for cooking zone, such that each heating element is assigned detection unit for pan detection |
EP2688364A1 (en) * | 2012-07-20 | 2014-01-22 | BSH Bosch und Siemens Hausgeräte GmbH | Hotplate device |
WO2015015376A1 (en) * | 2013-08-02 | 2015-02-05 | BSH Bosch und Siemens Hausgeräte GmbH | Cooking hob devide |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2723875B2 (en) * | 2018-02-27 | 2020-05-28 | Smart Induction Converter Tech S L | CONVERTER AND POWER CONVERTER MODULE |
ES2729717A1 (en) * | 2018-05-04 | 2019-11-05 | Bsh Electrodomesticos Espana Sa | Induction power transmission system. (Machine-translation by Google Translate, not legally binding) |
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DE4007680A1 (en) * | 1990-03-10 | 1991-09-19 | Grass Ag | Glass-ceramic cooking hob - has field of sensor-driven elements each a preset different power outputs |
DE19500449A1 (en) * | 1995-01-10 | 1996-07-11 | Ego Elektro Blanc & Fischer | Hob heating for cooking vessels |
WO1997019298A1 (en) * | 1995-11-21 | 1997-05-29 | Aktiebolaget Electrolux | A cooking surface with controls |
EP1610590A1 (en) * | 2004-06-25 | 2005-12-28 | Brandt Industries | Cooking hob with a plurality of cooking zones |
WO2006032292A1 (en) * | 2004-09-23 | 2006-03-30 | E.G.O. Elektro-Gerätebau GmbH | Heating device for a planar heater with induction heating elements |
Family Cites Families (1)
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DE10314690A1 (en) * | 2003-03-27 | 2004-10-07 | E.G.O. Elektro-Gerätebau GmbH | Heating device for flat heating with induction heating elements |
-
2006
- 2006-11-21 ES ES200603046A patent/ES2310107B1/en active Active
-
2007
- 2007-11-13 DE DE112007002256T patent/DE112007002256A5/en not_active Withdrawn
- 2007-11-13 WO PCT/EP2007/062263 patent/WO2008061916A1/en active Application Filing
Patent Citations (5)
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DE4007680A1 (en) * | 1990-03-10 | 1991-09-19 | Grass Ag | Glass-ceramic cooking hob - has field of sensor-driven elements each a preset different power outputs |
DE19500449A1 (en) * | 1995-01-10 | 1996-07-11 | Ego Elektro Blanc & Fischer | Hob heating for cooking vessels |
WO1997019298A1 (en) * | 1995-11-21 | 1997-05-29 | Aktiebolaget Electrolux | A cooking surface with controls |
EP1610590A1 (en) * | 2004-06-25 | 2005-12-28 | Brandt Industries | Cooking hob with a plurality of cooking zones |
WO2006032292A1 (en) * | 2004-09-23 | 2006-03-30 | E.G.O. Elektro-Gerätebau GmbH | Heating device for a planar heater with induction heating elements |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2129191A1 (en) * | 2008-05-30 | 2009-12-02 | Electrolux Home Products Corporation N.V. | Subsystem assembly for induction |
WO2009144022A1 (en) * | 2008-05-30 | 2009-12-03 | Electrolux Home Products Corporation N. V. | Assembly unit for an induction hob, induction hob and method for manufacturing an assembly unit |
US20120085751A1 (en) * | 2008-05-30 | 2012-04-12 | Electrolux Home Products Corporation, N.V. | Assembly unit for an induction hob, induction hob and method for manufacturing an assembly unit |
US10337743B2 (en) | 2008-05-30 | 2019-07-02 | Electrolux Home Products Corporation N.V. | Assembly unit for an induction hob, induction hob and method for manufacturing an assembly unit |
DE102009020905A1 (en) * | 2009-05-12 | 2010-12-09 | Diehl Ako Stiftung & Co. Kg | Hob for use in cookware, has multiple heating elements, which are arranged in or below hot plate for cooking zone, such that each heating element is assigned detection unit for pan detection |
EP2688364A1 (en) * | 2012-07-20 | 2014-01-22 | BSH Bosch und Siemens Hausgeräte GmbH | Hotplate device |
WO2015015376A1 (en) * | 2013-08-02 | 2015-02-05 | BSH Bosch und Siemens Hausgeräte GmbH | Cooking hob devide |
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DE112007002256A5 (en) | 2009-07-30 |
ES2310107B1 (en) | 2009-08-27 |
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