EP3244694A1 - Système de cuisson comprenant un ustensile de cuisson et plaque de cuisson - Google Patents

Système de cuisson comprenant un ustensile de cuisson et plaque de cuisson Download PDF

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Publication number
EP3244694A1
EP3244694A1 EP17166840.3A EP17166840A EP3244694A1 EP 3244694 A1 EP3244694 A1 EP 3244694A1 EP 17166840 A EP17166840 A EP 17166840A EP 3244694 A1 EP3244694 A1 EP 3244694A1
Authority
EP
European Patent Office
Prior art keywords
cooking
cookware
borne sound
borne
signal
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
EP17166840.3A
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German (de)
English (en)
Other versions
EP3244694B1 (fr
Inventor
Daniel Dr. Ebke
Volker Dr. ENNEN
Thomas Metz
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.)
Miele und Cie KG
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Miele und Cie KG
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Publication of EP3244694A1 publication Critical patent/EP3244694A1/fr
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • 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
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1236—Cooking devices induction cooking plates or the like and devices to be used in combination with them adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
    • 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
    • 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
    • H05B2213/06—Cook-top or cookware capable of communicating with each other

Definitions

  • the present invention relates to a cooking system according to the preamble of claim 1, a hob for such a cooking system according to claim 15 and a cookware for such a cooking system according to claim 16.
  • a system and method for providing multiple cooking modes and an ability to automatically heat cookware and other items through the system wherein data transfer from a cookware to a controller of the system is accomplished by means of RFID technology.
  • the harness includes an RFID tag and a temperature sensor.
  • an information transmission system for cooking vessels to be operated automatically on a heating device of a cooking station which transmits information from sensors, which are located inside the cooking vessel, to receiving means of the heating device.
  • sensors which are located inside the cooking vessel, to receiving means of the heating device.
  • a transmitting coil for emitting the signals.
  • transponder in particular an RFID tag, known for a cooking utensil and a cooking utensil with such a transponder, wherein the transponder is high temperature resistant and has at least one temperature sensor.
  • the transponder can be mounted at a location on the cooking utensils, which is located close to the food to be heated.
  • a disadvantage of the systems and devices described above is that a communication between cookware and hob or the like via a radio transmission, e.g. takes place by means of transponder technology.
  • This can be a long-distance effect, i. a control and / or a regulation of a device by a command that can be made out of sight of a device.
  • a communication and associated mutual or at least one-sided influence take place, even if they are not in their intended use.
  • An operation of the hob or the cooking area are caused by the cookware, although the cookware is not on the hob or on the hob. Since this can endanger the safety of the user, such remote effects in the household must be prevented in accordance with the standard DIN EN 60335-01 (VDE 0700-1).
  • the systems and devices described above could thus be non-standard, which may prevent their use.
  • the cookware is temperature controlled by a temperature-dependent moving permanent magnet and is located in a thermally insulated pot.
  • the permanent magnet is moved by a bimetallic strip, which is arranged in an air gap between the bottom of the cookware and the bottom of the pot.
  • the regulator construction assembly is pushed so far under the cookware tray that it lies completely within the pot shell.
  • the bimetal is not ferromagnetic.
  • the arranged below the cooking reed contact on which the permanent magnet acts, is located to shield the induction field in an open-topped tube of ferromagnetic material.
  • An object of the present invention is to provide a cooking system of the type described above, so that in a simple manner, a secure communication between the cookware and the cooking area can be made possible.
  • a versatile and flexible way to secure communication between the cookware and the hob is to be created in a simple manner.
  • the secure communication should in particular be standardized, i. safely exclude a long-distance effect.
  • At least an alternative way of communication between the cookware and the cooking area should be provided.
  • the present invention relates to a cooking system with at least a first cooking point and at least one cookware.
  • Several hobs can be referred to as a hob.
  • the hotplate can preferably be a hotplate of an induction cooktop, but also a hotplate of a gas hob or an electric cooktop.
  • the present invention is characterized in that the first cooking point and the cookware are designed to be able to carry out communication between them by means of structure-borne sound signals.
  • structure-borne sound signals or a corresponding communication sound is understood, which propagates in a solid. Sound represents the propagation or the audible vibrations in the form of sound waves of the smallest pressure and density fluctuations in an elastic medium, as in this case in a solid.
  • the present invention is based on the finding that a new, simple and comfortable operating options for the user can be created by means of a structure-borne sound transmission between a cooking area and a cookware, for example, by the cooking area can be operated on the cookware.
  • This can allow a versatile and flexible operation and use of such cooking systems.
  • the user can essentially retain his usual operation because of The user is accustomed to placing the cookware on the cooking surface before an operation of the cooking process can take place. If the operation of the hob is made possible by an operation of the cookware, which is located on the hob, so the user can maintain this order of operations. This can lead to a simple and intuitive operation of the cooking system according to the invention for the user.
  • a further advantage is that in this way a secure communication can be made possible. Because the transmission of structure-borne noise between the cooking area and the cookware requires contact between these communication partners, there can be no remote action between the cooking area and the cookware. Because if the cookware is removed from the cooking area, this communication is reliably interrupted by structure-borne noise and prevents remote action. Furthermore, the cooking station can recognize this and react to it, e.g. with shutdown. Thus, the communication between the cooking area and cookware by means of structure-borne noise can provide safe communication in the sense of the standard DIN EN 60335-01 (VDE 0700-1). Furthermore, in this way electromagnetic radiation can be avoided, which would occur in communication by radio transmission. This can lead to avoidance of EMC problems as well as electrosmog for the user.
  • the communication by means of a structure-borne sound signal can only take place in one direction from the cookware to the hotplate or from the hotplate to the cookware.
  • a transmitter can be provided only on one side of the communication path and a receiver on the other side, which can make the communication system of the cooking system simpler, cheaper and more compact than in bidirectional communication. Also, the transmitter and receiver can be made simpler, which can be cheaper and more compact.
  • a registration of a cookware at the cooking area are made possible. It is also possible a switching pulse or switching state is transmitted from the cookware to the cooking position by pressing a control element arranged on the cookware.
  • a measured variable such as a temperature
  • a measured variable can be transferred from the cookware to the cooking area and used there, for example, to control the temperature of the cooking process.
  • the selection of an automatic program of the hotplate done or the power level of the hob be set.
  • the selected power level of the cooking area can be transmitted from there to the cookware to be displayed on a display of the cookware to the user.
  • the switching state to be transmitted can be generated for example by a bimetallic element.
  • a semi-automatic operation for example, a kettle, consisting of a kettle and a hob without operating the hob to operate.
  • the installation noise of the kettle can be detected by the hob and put this into a readiness for operation and / or begin with a pot detection.
  • the switching noise of the bimetallic element is detected by the hob and the heater is turned on. According to a supplementary embodiment, it is possible that the bimetallic element resets the switch and thus visually indicates to the user the switching state.
  • the placement of the kettle on the hob and / or the operation of the switch and / or the movement of the bimetallic element can produce structure-borne noise, which is transmitted to the hob received by the same and evaluated. Additionally or alternatively, it is also possible that with the touchdown of the kettle on the hob and / or the operation of the switch and / or the movement of the bimetallic element, an electrical voltage is generated. Although this will be relatively low and occur only briefly, yet it will send a radio signal to the hob with the energy thus obtained.
  • the radio signal and / or the structure-borne sound signal may also contain further information than just the mentioned state changes. For example, at this time the level in the kettle or an identifier, as for the pot bottom diameter, are transmitted to the hob.
  • a complex structure-borne sound signal is understood to be a signal which comprises a plurality of pulses or has a significant change in at least one characteristic property, for example the pulse width and / or the frequency and / or the amplitude over a period of time.
  • the individual pulses may differ in terms of their characteristic properties.
  • the communication by structure-borne sound signal is also possible on both sides. As a result, more extensive and comfortable operating options can be created.
  • the functions described above may be used in combination with each other, e.g. the setting of the power level of the cooking area on the cookware and the return of the set power level from the cooking area to the cookware to be displayed there to the user.
  • the cookware Through the communication between the cooking area and cookware by means of structure-borne sound, it is also possible to locate the cookware on a cooking surface of several cooking zones of a hob, so that the instructions that are sent from the cookware can be assigned to the correct cooking place for implementation. Also, an identification of a cookware may be made through the cooking area, e.g. determine a particular type of cookware and specify the selection of the automatic programs or their available performance levels. Also, by identifying an individual cookware, e.g. An interrupted cooking process can be resumed if the identified cookware has been taken from the cooking area in the meantime. Furthermore, via regular communication such as e.g. a periodic structure-borne sound signal from the cookware to the cooking place, e.g. monitoring the presence of cookware on the cooking surface during the cooking process.
  • a periodic structure-borne sound signal from the cookware to the cooking place, e.g. monitoring the presence of cookware on the cooking surface during the cooking process.
  • various mechanisms and elements can be used.
  • this can be done eg via a push button, a knob, a slider, a thumbwheel, a twist grip, a knob, a lever, a jog dial (control with functions, push, horizontally and vertically push or tilt) etc. which are each simple or may be present more than once.
  • These elements can each be arranged on the handle of the cookware, on the lid of the cookware or on the cookware itself.
  • the operation or the triggering of structure-borne noise signals at the cooking place can be done eg via a push button, a knob, a slider, a thumbwheel, a jog dial, etc.
  • the implementation of a communication using structure-borne sound signals between cooking and cookware done so that the first hob is designed to emit at least one structure-borne sound signal to the cookware, and that the cookware is adapted to receive the structure-borne sound signal from the first cooking place, and or or or that the cookware is designed to emit at least one structure-borne sound signal to the first cooking point, and that the first cooking point is adapted to receive the structure-borne sound signal from the cookware.
  • the transmission of the structure-borne sound signal can be effected by means of a structure-borne sound source as a structure-borne sound transmitter and the reception by means of a structure-borne sound receiver.
  • the structure-borne sound source and / or the structure-borne sound receiver can preferably be arranged in the bottom of the cooking utensil so that it can be inserted as close as possible to the cooking area. This can keep the distance of the signal transmission short and thereby improve the quality of the signal transmission or reduce the energy required for this purpose.
  • the structure-borne noise source and / or the structure-borne sound receiver can preferably be arranged close to the surface of the cooking surface facing the cookware for the same reasons.
  • the structure-borne sound source and / or the structure-borne sound receiver can preferably be arranged in the center of the surface facing the communication partner both on the side of the cooking surface and on the side of the cookware.
  • the structure-borne sound source and / or the structure-borne sound receiver can generally be used as close as possible to the communication partner, because usually the cookware is operated centrally on the cooking surface. This can also lead to the shortest possible communication route.
  • the structure-borne sound source and / or the structure-borne sound receiver can be arranged on the side of the cookware as vertically as possible down to the cooking point. This preferably also applies to the arrangement of the structure-borne sound source and / or the structure-borne sound receiver on the side of the cooking area, ie towards the cookware. This can favor a directed communication by means of structure-borne noise in this direction and a Avoid communication in other directions as far as possible. As a result, the communication can be done with the lowest possible energy. Furthermore, identification of the cooking utensil on the cooking surface compared to other cooking zones can be simplified because the signal transmission in the directional direction can be significantly stronger than in the other directions and thus can be identified more easily and safely.
  • a plurality of structure-borne sound receivers may also be arranged around the cooking area or around a hob with a plurality of hotplates, in order to recognize, for example by means of triangulation of the structure-borne sound signal communication, a cookware or to associate the cooking utensil with a cooking area.
  • the first cooking point is designed to make a cooking position setting in dependence on a structure-borne sound signal received by the cookware, in particular to start a predetermined cooking program and / or to set a predetermined power level.
  • a structure-borne sound signal received by the cookware in particular to start a predetermined cooking program and / or to set a predetermined power level.
  • the first cooking point and / or the cookware has or have at least one first structure-borne sound source, which is or are designed to generate a structure-borne noise signal by means of electrical energy.
  • a structure-borne sound signal can be generated by means of a piezoelectric actuator, which can be operated with electrical energy, at the cooking area and / or on the cookware.
  • the detection of the piezoelectrically generated vibrations can take place at the cooking point and / or on the cookware by means of a structure-borne noise sensor or several structure-borne sound sensors.
  • the structure-borne sound sensor is an acceleration sensor.
  • piezoelectric actuators are tested as vibration generators, this can provide a reliable and reliable way of generating a structure-borne noise signal. Also, a defined and reliably reproducible structure-borne sound signal can be generated in this way.
  • the required electrical energy can be provided at the hob via its electrical supply. On the cookware, the electrical energy can be provided by a fixed or replaceable electrical energy storage such as a battery, an accumulator or a capacitor or generated directly if necessary.
  • the first cooking point and / or the cookware further comprises at least one electric generator, which is or are designed to generate the electrical energy for the first structure-borne sound source.
  • at least one electric generator which is or are designed to generate the electrical energy for the first structure-borne sound source.
  • the electrical power generation can be done by so-called energy harvesting, e.g. by generating electrical energy on the cookware by movement of the cookware such as a cookware. by turning the cookware, lifting the cookware and placing the cookware on the hob.
  • the generation of electrical energy can also be achieved by actuation of elements such as e.g. via push button, knob, slide, thumbwheel, twist grip, toggle, lever, jog dial, etc. done.
  • Such elements can be arranged in each case on the handle, on the lid or on the pot. In all cases, can be dispensed with an energy storage, especially on the cookware, which, if necessary, be used up and then charged externally or replaced.
  • Another way of generating electrical energy is to use the kinetic energy of a bimetal.
  • the first cooking point and / or the cookware further comprises at least one electrical energy store, which is or are designed to provide the electrical energy for the first structure-borne sound source.
  • the electrical energy for generating the structure-borne noise signal can be made available by means of electrical energy storage at the hob and / or on the cookware, so that can be dispensed with generation of electrical energy at the hob and or or on the cookware.
  • the electrical energy store can be rechargeable and / or exchangeable.
  • a battery or a rechargeable battery can be used as the electrical energy store.
  • this electrical energy storage device may also be an electrical energy storage device in combination with an electric generator to temporarily energy between the generation by the electric generator and the use of the structure-borne sound source between to save.
  • this electrical energy storage can be fed and charged at any time by an electric generator to deliver the stored electrical energy at any later time again.
  • This is advantageous because the electrical energy storage neither by electrical connections nor exchange must be accessible from the outside, which can simplify the protection of the electrical energy storage and the rest of the electrical system before eg moisture. Also visible electrical connections or a replacement option such as a flap of a battery compartment can be avoided because they could affect the visual impression of the cooking area or the cookware for the user.
  • such an electrical energy store can be replaceable and / or additionally externally rechargeable from the outside. This can be easier and cheaper, because it can be dispensed with an electric generator. Furthermore, this can be more reliable and more familiar to the user, because if needed a fully charged electrical energy storage can be used or brought about from the outside by charging.
  • the electrical energy storage can also be a short-term energy storage such. a capacitor which is e.g. by moving the cookware such as by rotating the cookware, by lifting the cookware and placing the cookware on the cooking surface for a timely use of electrical energy can be charged.
  • At least several and preferably all structure-borne noise sources can be supplied by a common electrical energy store and / or by a common electrical generator.
  • at least one structure-borne sound source can be supplied by an electrical energy store and offset in time or at the same time another structure-borne sound source by an electric generator. This can make the electrical power supply easier and thus cheaper. This applies mutatis mutandis to other electrical consumers of the cooking and / or cookware such. Display elements, sensors, control units, control units etc.
  • the first cooking point and / or the cookware at least a first structure-borne sound source, which is or are to generate the structure-borne sound signal without electrical energy.
  • a structure-borne sound source which is or are to generate the structure-borne sound signal without electrical energy.
  • This can be the generation of the Simulate structure-borne sound signal and make the structure-borne sound source as a transmitter easier and cheaper, because it can be dispensed electrical lines, electrical insulation, electrical generator and or or electrical energy storage. This can be very beneficial especially on the cookware.
  • a structure-borne sound source can be, for example, a bimetallic element.
  • the structure-borne sound generation can in this case be e.g. by means of mechanical deformation as in a snap-frog button or by means of magnetic attraction or repulsion.
  • the reception of such a structure-borne noise signal can be effected by means of a vibration sensor.
  • the generation of such a structure-borne sound signal can e.g. by pressing a button, by sliding a slider, by turning a handle, etc. done.
  • the structure-borne sound signal can be generated directly without detour via electrical energy.
  • the first cooking point and / or the cookware at least a first operating element, which is designed to trigger the generation of a structure-borne sound signal when actuated.
  • a structure-borne sound source operates with electrical energy
  • electrical energy can be passed from an electrical energy store to the structure-borne sound source or generated by a generator and used directly by the structure-borne sound source by the first operating element.
  • the structure-borne sound source operates without electrical energy
  • the structure-borne sound signal can be directly generated or triggered by the first operating element.
  • the structure-borne sound source can be designed for a specific structure-borne noise signal, so that the specific first structure-borne sound signal can be triggered by the actuation of the first operating element of the electrical or non-electrical structure-borne sound source.
  • the control element may e.g. a push button, a knob, a slider, a thumbwheel, a twist grip, a toggle, a lever, a jog dial, etc.
  • the first operating element is designed to trigger the generation of a group of identical structure-borne sound signals by multiple actuation within a predetermined period of time, which form a resulting structure-borne sound signal.
  • the operating element such as a push button as Morsen a signal group identical structure-borne noise signals are generated, for example, by multiple actuation of the same control briefly in a row within a predefined period, so that various resulting structure-borne noise signals can be generated.
  • a structure-borne sound signal is also understood to mean a sequence of individual structure-borne sound signals which together form a resulting structure-borne noise signal. In this way, for example by operation of the cookware between different automatic programs of the cooking area selected and / or the power level of the hob can be set.
  • the first operating element is designed to trigger the generation of different structure-borne sound signals.
  • the distinction may e.g. take place according to the frequency and or or according to the amplitude in different individual structure-borne sound signals.
  • different structure-borne noise signals can be enabled by signal sequences, i. a plurality of individual signals that are the same or different in frequency and / or amplitude, a signal word such as. when Morse form.
  • These may e.g. be generated by different positions of a control element, each with a different structure-borne sound signal, e.g. by moving the control to the next position, e.g. in a knob, a slider, a thumbwheel, a rotary handle, etc. This allows a comprehensive communication between cooking and cookware done by different structure-borne sound signals.
  • a preferred signal for detecting the cooking state is the noise generated by a bimetallic element in the recovery.
  • the bimetallic element When the water reaches the cooking state, the bimetallic element is heated accordingly and changes its shape. This change in shape is used in a conventional kettle to prevent the supply of electrical energy to the built-in radiator radiator. In the shape change, the bimetallic element also produces a clearly perceptible noise. This noise is much easier to detect than a booming noise due to its amplitude and noise characteristics. In particular, however, the change in shape is accompanied by a brief vibration in the kettle. Vibration and noise can be detected very well via structure-borne sound, if necessary even by means of an external sensor, that is to say a sensor installed in another device, for example a microphone.
  • bimetal is not limited to the use of the metal as a construction material to understand.
  • the bimetallic effect can also be achieved with other, non-metallic materials.
  • the bimetal effect only requires a composite of two elastic layer materials of different thermal expansion composite body.
  • a bimetallic element may therefore consist, for example, of a ceramic and / or a plastic and / or a metal alloy.
  • different cooking zones of a hob can be identified by a different structure-borne noise signal by frequency and / or amplitude.
  • it can be made possible by different structure-borne sound signals, a program selection and a selection of the power level of a program.
  • the different structure-borne sound signals can be generated with the same control element, which can save space at the hob or on the cookware.
  • the first hotplate and / or the cookware at least a second control element, wherein the first control element and the second control element are designed to trigger the generation of a different structure-borne sound signal upon each actuation.
  • the functions, as described above can be triggered by means of at least two different operating elements, each of which can generate a different structure-borne noise signal.
  • the distinction can be made by frequency and / or amplitude and or signal sequence.
  • the cooking system further comprises a second cooking point, which is adapted to carry out with the cookware communication by means of structure-borne sound signal, wherein the first cooking point and / or the second cooking point is formed, the same structure-borne sound signal of the cookware to receive and assign the cooking utensils of one of the two cooking zones from a time difference and / or from an amplitude difference of the respectively received structure-borne sound signal.
  • This function can also be taken over by a hob, to which both cooking zones are assigned.
  • the cookware on several cooking places can be used flexibly within a hob, as each used hotplate can be detected automatically or with this communication can be established.
  • the cookware moves from the first cooking position to the second cooking position and after recognizing the change of the cooking zones of these or the cooktop, the cooktop settings of the first cooktop can be adjusted at the second cooktop, so that the cooking process at the second hob can be continued there without renewed settings.
  • the cookware comprises at least one second structure-borne sound source, which is designed to generate a structure-borne sound signal
  • the first cooking station is adapted to receive the structure-borne sound signals of the structure-borne sound signal sources of the cookware and from a time difference and / or from a Amplitude difference of each received structure-borne sound signal to detect a position and or or orientation of the cookware on the first hob.
  • a position of the cookware can be detected on the cooking surface, for example, away from the center of the cooking area in the horizontal plane.
  • an orientation of the cookware can be detected on the cooking surface, for example by rotation about the vertical axis of the cookware. This can be used to make settings of the hotplate by moving and / or turning the cookware on the hob.
  • automatic programs can be selected and / or their power level can be set.
  • the cooking system has a cooking station with a coil device for emitting an alternating magnetic field.
  • the cookware is designed to emit an individual, characteristic structure-borne sound through such a changing magnetic field.
  • Such buzzing and humming is known in induction dishes. Since these noises depend on individual manufacturing tolerances, the noise of each piece of crockery is individual and distinctive.
  • the cooking area is set up to receive this individual, characteristic structure-borne noise and to detect a change in this individual structure-borne sound.
  • the temperature of the cookware can already be determined without further devices. Because the temperature has an influence on the speed of sound and / or the frequency and / or the amplitude of the sound. If the individual, characteristic structure-borne noise of the cookware changes with temperature and this change in structure-borne noise is detected and evaluated, a conclusion as to the temperature of the cookware is possible.
  • the determination of the temperature is possible even without a changing magnetic field or even in the case of a tableware part which, excited by a changing magnetic field, emits no or only extremely weak noises.
  • the present invention also relates to a hob with at least one cooking point for use in a cooking system as described above, wherein the cooking area and / or the hob is designed to carry out a communication with a cookware by means of structure-borne sound signal.
  • the present invention also relates to a cookware for use in a cooking system as described above, wherein the cookware is adapted to carry out a communication with a cooking point and / or a cooktop by means of structure-borne sound signal.
  • cookware also means mobile devices that have their own energy converter and are provided for treating food. These can be, for example, a kettle, a toaster, an egg cooker, a waffle iron or a blender. These devices receive electrical energy from the cooking area by inductive transmission and convert it into heat energy and / or kinetic energy. Due to the possibility of transmitting a desired power level, such a device can call up the energy required for operation from the cooking station by means of structure-borne noise.
  • Such devices offer the user as an accessory with the above-mentioned communication to the hob a great advantage.
  • the devices are supplied wirelessly and the energy is transferred only when needed. So the usual operation on the device - for example, press the button on the toaster - and the provision of the right energy through the hob much easier than previously realized.
  • Fig. 1 shows a perspective schematic representation of a cooking system 1 according to the invention in a first embodiment.
  • Fig. 2 shows a lateral schematic sectional view of Fig. 1 ,
  • the cooking system 1 has a hob 2.
  • the hob 2 has a first hotplate 20 and a second hotplate 22. Other hotplates are available, but are not considered and designated.
  • Both the first cooking point 20 and the second cooking point 22 each have a structure-borne sound sensor 21, 23, which is arranged in each case centrally under the cooking position 20, 22 and arranged oriented upward.
  • the structure-borne noise sensors 21, 23 are acceleration sensors 21, 23.
  • the cooking pot 3 has a cooking pot body 30 in which a food to be cooked etc. can be received.
  • the cooking pot body 30 has laterally on a handle 31, with which the cooking pot 3 can be touched by a user and raised.
  • the cooking pot 3 has centrally at its bottom a first structure-borne sound source 32, which is oriented downwardly toward the first cooking location 20. This orientation may favor directional communication by means of structure-borne noise between the cooking pot 3 and the first cooking point 20.
  • the first body sound source 32 is in this embodiment, a piezoelectric actuator 32, which can be powered by an electrical energy storage 35 in the form of a battery 35 with electrical energy.
  • a first control element 36 in the form of a push button 36 is also present, which can be pressed by the user.
  • the first structure-borne noise source 32 is supplied with electrical energy by the battery 35, thereby causing the emission of a predetermined structure-borne noise signal.
  • This structure-borne noise signal can be received by the structure-borne sound sensor 21 of the first cooking station 20 and processed by the structure-borne sound sensor 21 itself, by the first cooking zone 20 or by the hob 2 or its control and / or regulation.
  • an identification of the cooking pot 3, for example, as a "kettle” at the first hob 20 whereby at the same time a corresponding automatic program such as "boiling water” can be started. Then, for example, by repeatedly pressing the push button 36 by the user to select the power level of the selected automatic program.
  • the user can be partially relieved of these steps, because certain information between the pan 3 and the first hotplate 20 are automatically replaced.
  • the operation for the user can be easier and faster, because the start of the cooking process with the desired level of power does not have to take the hand from the handle 31 of the saucepan 30.
  • this operation can be done via a secure communication in terms of exclusion of a possible long-term effect between pot 3 and the first hob 20, since the communication can only take place if the pan 3 at all on the first hob 20 and on the hob. 2 located.
  • Fig. 3 shows a lateral schematic sectional view of a cooking system 1 according to the invention in a second embodiment.
  • the saucepan 3 of the Fig. 2 instead of an electrical energy store 35, an electric generator 34, which can be actuated by the first operating element 36.
  • the electrical energy required by the first structure-borne sound source 32 to generate a structure-borne sound signal can then be generated directly and without storage as soon as the first control element 36 is actuated.
  • Fig. 4 shows a lateral schematic sectional view of a cooking system 1 according to the invention in a third embodiment.
  • an electrical generation of structure-borne sound signals is dispensed with, so that no first structure-borne noise source 32 in the form of a piezoelectric actuator 32 is present.
  • a snap-frog button 32 is arranged, which can emit a structure-borne noise signal by mechanical deformation, as soon as the clicker-button 32 is actuated by the first control element 36.
  • Fig. 5 shows a perspective schematic representation of a cookware 3 of a cooking system 1 according to the invention in a fourth embodiment.
  • a first control element 36 and a second control element 37 are arranged on the handle 31 of the cooking pot 3.
  • Both controls 36, 37 are push buttons 36, 37, which can operate the same structure-borne sound source 32 or different body sound sources (not shown).
  • the structure-borne noise sources 32 may be electrical and / or non-electric.
  • a first type of structure-borne sound signal is triggered by the first control element 36 and a second type of structure-borne noise signal by the second control element 37.
  • the structure-borne sound signals of the two operating elements 36, 37 may differ by their frequency, their amplitude and / or their signal sequence. This distinction can be recognized by the first cooking station 20.
  • a type of structure-borne noise signal can be caused by the first control element 36, which, e.g. the selection of an automatic program of the first hob 20 is used.
  • the first control element 36 which, e.g. the selection of an automatic program of the first hob 20 is used.
  • multiple actuation of the first control element 36 can be switched through by the user through the available automatic programs until the desired automatic program is selected or the selection starts again from the beginning.
  • the second control element 37 a different type of structure-borne noise signal can be effected, which is e.g. the selection of the power level of the selected automatic program of the first hotplate 20 can serve.
  • the power level e.g. be increased until the desired power level is reached or the selection of power levels starts all over again.
  • Fig. 6 shows a perspective schematic representation of a cookware 3 of a cooking system 1 according to the invention in a fifth embodiment.
  • the first operating element 36 is arranged in the form of a rotary knob 36 on the cooking pot body 30, so that different structure-borne sound signals can be triggered by rotation of the rotary knob 36, which can communicate the selected automatic program or its power level to the first cooking station 20.
  • the selected setting can be read by means of a marking 38 on the cooking pot body 30.
  • Fig. 7 shows a perspective schematic representation of a cookware 3 of a cooking system 1 according to the invention in a sixth embodiment.
  • the rotatable end of the handle 31 the first control element 36 in the form of a rotary handle 36.
  • the rotary handle 36 is rotatable relative to a handle holder 39 about its longitudinal axis.
  • the rotary handle 36 has a marker 38, which indicates the user the selected setting.
  • Fig. 8 shows a perspective schematic representation of a cookware 3 of a cooking system 1 according to the invention in a seventh embodiment.
  • first structure-borne sound source 32 and a second structure-borne sound source 33 present on the cooking pot 3, which can be detected by the first cooking station 20 so accurately in position, so that the first hotplate 20 can detect an orientation of the cooking pot 3 in the form of a rotation about its vertical axis. In this way, by the rotation of the cooking pot 3, an operation of the first hob 20 done.
  • the selected setting is recognizable to the user by markings 38 on the cooking pot body 30 and a mark 24 on the first hotplate 20.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cookers (AREA)
  • Induction Heating Cooking Devices (AREA)
EP17166840.3A 2016-05-11 2017-04-18 Système de cuisson comprenant un ustensile de cuisson et plaque de cuisson Active EP3244694B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016108680.0A DE102016108680A1 (de) 2016-05-11 2016-05-11 Kochsystem mit Kochstelle und Kochgeschirr

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EP3244694B1 EP3244694B1 (fr) 2020-07-29

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Cited By (5)

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EP3528595A1 (fr) * 2018-02-14 2019-08-21 Vestel Elektronik Sanayi ve Ticaret A.S. Appareil de cuisson
EP3614796A3 (fr) * 2018-08-16 2020-05-27 Miele & Cie. KG Procédé d'attribution automatique d'au moins un appareil de montage d'au moins un point de cuisson d'une plaque de cuisson inductive, plaque de cuisson inductive, dispositif de montage et système de mise en uvre dudit procédé
EP3860307A1 (fr) * 2020-01-28 2021-08-04 E.G.O. Elektro-Gerätebau GmbH Système doté d'une plaque de cuisson et d'un ustensile de cuisson et procédé de fonctionnement dudit système
WO2023036612A1 (fr) * 2021-09-08 2023-03-16 BSH Hausgeräte GmbH Appareil de détection d'ustensile de cuisine
EP4067748A4 (fr) * 2019-11-25 2024-02-28 Lg Electronics Inc Cuiseur électrique fournissant des fonctions spécifiques sans intervention de l'utilisateur

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DE102017112945B3 (de) 2017-06-13 2018-10-25 Miele & Cie. Kg Verfahren zum Betrieb eines induktiven Kochsystems, zugehöriges induktives Kochsystem sowie Kochfeld und Kochgeschirr für ein derartiges induktives Kochsystem
DE102019123703A1 (de) * 2019-09-04 2021-03-04 Miele & Cie. Kg Kochfeld mit mindestens einem Temperatursensor
DE102020114129A1 (de) 2020-05-27 2021-12-02 Miele & Cie. Kg Kochsystem und Verfahren zum Betreiben
DE102022201126A1 (de) 2022-02-03 2023-08-03 BSH Hausgeräte GmbH Haushaltsgerät-Bedienvorrichtung mit tragbarem Bedienelement mit Akustikeinheit, Haushaltsgerät und Verfahren

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DE19729662A1 (de) 1997-07-11 1999-01-14 Ego Elektro Geraetebau Gmbh Informations-Übertragungssystem
DE19754851A1 (de) 1997-12-10 1999-06-17 Herchenbach Wolfgang Kochsystem
US6953939B2 (en) 2002-01-21 2005-10-11 Sony Corporation Testing apparatus using scanning electron microscope
DE102004008739A1 (de) * 2004-02-23 2005-09-08 BSH Bosch und Siemens Hausgeräte GmbH Sensoreinrichtung für ein Haushaltsgerät
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EP2764806A1 (fr) * 2013-02-12 2014-08-13 Wmf Württembergische Metallwarenfabrik Ag Procédé de surveillance et/ou de commande d'un appareil de préparation de boissons et appareil de préparation de boissons destiné à mettre en 'uvre le procédé
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Cited By (6)

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Publication number Priority date Publication date Assignee Title
EP3528595A1 (fr) * 2018-02-14 2019-08-21 Vestel Elektronik Sanayi ve Ticaret A.S. Appareil de cuisson
US11178733B2 (en) 2018-02-14 2021-11-16 Vestel Elektronik Sanayi Ve Ticaret A.S. Cooker
EP3614796A3 (fr) * 2018-08-16 2020-05-27 Miele & Cie. KG Procédé d'attribution automatique d'au moins un appareil de montage d'au moins un point de cuisson d'une plaque de cuisson inductive, plaque de cuisson inductive, dispositif de montage et système de mise en uvre dudit procédé
EP4067748A4 (fr) * 2019-11-25 2024-02-28 Lg Electronics Inc Cuiseur électrique fournissant des fonctions spécifiques sans intervention de l'utilisateur
EP3860307A1 (fr) * 2020-01-28 2021-08-04 E.G.O. Elektro-Gerätebau GmbH Système doté d'une plaque de cuisson et d'un ustensile de cuisson et procédé de fonctionnement dudit système
WO2023036612A1 (fr) * 2021-09-08 2023-03-16 BSH Hausgeräte GmbH Appareil de détection d'ustensile de cuisine

Also Published As

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DE102016108680A1 (de) 2017-11-16
ES2813976T3 (es) 2021-03-25
EP3244694B1 (fr) 2020-07-29

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