EP1732357A2 - Dispositif de chauffage pour appareils de cuisson à induction - Google Patents
Dispositif de chauffage pour appareils de cuisson à induction Download PDFInfo
- Publication number
- EP1732357A2 EP1732357A2 EP06113590A EP06113590A EP1732357A2 EP 1732357 A2 EP1732357 A2 EP 1732357A2 EP 06113590 A EP06113590 A EP 06113590A EP 06113590 A EP06113590 A EP 06113590A EP 1732357 A2 EP1732357 A2 EP 1732357A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- inductor
- temperature
- control 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.)
- Ceased
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 89
- 238000010411 cooking Methods 0.000 title claims abstract description 53
- 230000006698 induction Effects 0.000 title claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000001276 controlling effect Effects 0.000 claims description 7
- 238000012795 verification Methods 0.000 claims description 6
- 230000002596 correlated effect Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001419 dependent effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001295925 Gegenes Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- H05B6/06—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
- H05B2213/05—Heating plates with pan detection means
Definitions
- the invention relates to a heating device for a Indutationsgarêt according to the preamble of claim 1.
- a heating device for a Indutationsgarêt is known in which a control unit monitors the temperature of a cooking vessel to reach a cooking temperature.
- a control unit monitors the temperature of a cooking vessel to reach a cooking temperature.
- the cooking of a liquid or a dish in the cooking container can be detected and the heat output of an inductor for heating the cooking vessel can be automatically reduced so that the water in the cooking vessel boils only slightly or the dish in the cooking vessel does not burn.
- the object of the invention is in particular to provide a generic heating device for a Indutationsgarêt, which is improved in terms of monitoring to achieve a cooking temperature of the cooking vessel.
- the invention relates to a heating device for a Indutationsgarêt comprising an inductor for heating a heating element of a cooking vessel and a control unit which is prepared to monitor the heating element to reach a cooking temperature.
- the monitoring be done by adjusting a frequency of the alternating current flowing through the inductor and detecting at least one electrical quantity as a function of time.
- a frequency monitoring can be done very reliable and timely.
- the detection of the electrical size allows a particularly simple monitoring of the cooking temperature. As a result, the cooking can be detected very quickly and reacted quickly, for example, by reducing the heating power.
- the Indutationsgarêt can be a stove or just a hob or oven and the cooking container a pot or a baking oven or the like.
- the electrical quantity may be a size of the induction cooking appliance, for example the input voltage used by a circuit for generating an alternating current in the inductor.
- the electrical variable is a size of the inductor, for example the current through the inductor and / or the voltage at the inductor.
- a single electrical quantity may be detected as a function of time, for example a current or voltage value, or a plurality of electrical variables may be detected as a function of time, for example a current and a voltage value.
- the designation of the electrical quantity is also used for an ensemble of interrelated and time-dependent electrical quantities.
- the electrical quantity is advantageously in a known relationship to the temperature of the heating element.
- This relationship can be absolute, so that from the electrical size, the temperature of the heating element can be determined directly. However, it is sufficient if the relationship is relative, so that from a change in the electrical quantity on a change in the temperature of the heating element can be concluded.
- the detection of the electrical variable as a function of time is expediently carried out by a chronological sequence of several measurements of the size and in particular by determining the gradient of the size from the measurements.
- the electrical quantity is correlated with the inductance of a system comprising the inductor and the heating element.
- a change in the temperature of the heating element typically also changes the inductance of the heating element and thereby the inductance of the system comprising the inductor and the heating element.
- the electrical variable with the inductance of this system in indirect or direct connection, it can be concluded in a simple manner from the electrical variable to the temperature or the temperature movement of the heating element. Monitoring the temperature for cooking is possible in a simple manner.
- the electrical quantity is correlated with the power of the inductor and in particular is in direct proportion to the power, which makes it particularly easy to deduce the temperature of the heating element.
- a particularly simple and convenient control of the heating device can be achieved when the control unit for controlling the power of the inductor is prepared based on the electrical size.
- the electrical quantity can be evaluated both for the purpose of controlling the electrical power and for monitoring the cooking temperature, whereby the same size - or the same ensemble of sizes - can be used to control two processes. Components can be saved and data processing processes simplified.
- the control unit for keeping constant the temperature of the heating element is prepared based on the electrical size.
- control unit is prepared for keeping the frequency constant during the detection as a function of time.
- an operating point of the measurements can be kept stable, whereby reliably usable results of the measurement can be achieved.
- control unit is provided for determining measuring time ranges with at least one intermediate heating time range, wherein the frequency in the measuring time ranges is set at an identical measuring frequency and in the heating time range at a heating frequency different from the measuring frequency.
- the heating frequency can be varied independently of, for example, a favorable measuring frequency for power control of the inductor without impairing the reliability of the monitoring.
- the control unit is provided for detecting an undershoot of the absolute value of the gradient of the electrical variable below a limit value and for a response of the control to the undershooting.
- a particularly simple monitoring of the achievement of the cooking temperature can be achieved by detecting the undershooting of the absolute value of the gradient of the electrical variable below a limit.
- the gradient of the electrical quantity that is, the change of the electrical quantity with time, decreases as the temperature increases after a rise during heating during cooking remains largely constant.
- This stability can be recognized in a particularly simple way by suitably setting the limit value.
- the reaction includes controlling the power of the inductor to maintain the temperature of the heating element constant. This can prevent burning of the dish.
- a particularly advantageous possibility of the control is that the temperature is kept constant at the value of the time of falling below. Here, the temperature can be kept constant even at the beginning of cooking, so that a strong cooking or overcooking is prevented.
- the reaction is a control of the power of the inductor to reduce the temperature of the heating element by a predetermined amount of temperature.
- the temperature amount is selectable by an operator.
- the temperature amount may be a selectable temperature range or a category such as "large”, “medium” or “small”. The operator can thus choose how much the water or the dish should cook.
- a particularly reliable avoidance of overcooking or burning can be achieved if the control unit for determining the limit value is provided as a function of the time profile of the electrical variable. Recognition of cooking takes some time. In addition, the heating element is already slightly hotter than the cooking temperature when cooking the water or the dish. If there is only a small amount of water or a small amount of food in the cooking container, the time delay or temperature difference can lead to overcooking or burning. This can be counteracted if the limit is set higher during rapid heating, cooking is thus "detected" sooner so that the time delay and the temperature difference are somewhat compensated. With a large amount of water or a dish in the cooking container, a little more time is available, so that the limit can be set lower.
- control unit is prepared to control a verification phase prior to reaction and after underflow. Random errors can be avoided, for example, by several further measurements that are made after detecting the undershoot. The reaction is then carried out after the further measurements. Conveniently, the duration of the verification phase is dependent on the time profile of the electrical variable, whereby a time delay can be kept low at a rapid boil.
- the invention is also directed to a method of controlling a heating device for an induction cooking appliance, in which a heating element of a cooking container is monitored by a control unit for reaching a cooking temperature. It is proposed that the monitoring be done by adjusting a frequency of the alternating current flowing through an inductor and the detection of an electrical quantity as a function of time. It can be achieved a quick and reliable detection of cooking in a simple manner.
- FIG. 1 shows a heating device 2 with a schematically illustrated and designed as a winding inductor 4 under a support plate 6.
- a cooking container 8 is shown in the form of a cut pot, the bottom of the pot comprises a heating element 10 of a ferritic material.
- a control unit 12 Connected to the inductor 4 is a control unit 12 which generates an alternating current in the inductor 4 via a circuit 14.
- the schematically illustrated circuit 14 comprises a half-bridge circuit of power transistors and rectifiers, which are supplied with an input voltage u 0 of a current source 16, for example a power supply network.
- the control unit 12 serves to control the circuit 14 and comprises measuring elements for measuring the voltage u 1 , which is applied to the inductor 4, and the current i i , which flows through the inductor 4.
- the input voltage u 0 is detected by the control unit 12, which has means for detecting peak values and mean values of the input voltage u 0 , the voltage u 1 and the current i 1 .
- the control unit 12 has arithmetic, storage and / or evaluation means which are provided for detecting one or more of these variables as electrical variables as a function of time.
- the circuit 14 is switched by the control unit 12 so that an alternating current with the frequency f flows through the inductor 4.
- the magnetic field generated by the alternating current generates eddy currents in the heating element 10, which heat the heating element 10.
- the power P at which the heating element 10 is heated is dependent on the frequency f, as shown in the diagram in FIG. In Figure 2, the power P is above the frequency f of the current i 1 applied by the inductor 4.
- the power P is in units of the maximum power P max and the frequency f is plotted in units of the resonant frequency f r of a resonant circuit comprising the inductor 4.
- the power P reaches the maximum power P max , for example three kW. If the frequency f is switched higher or lower by the control unit 12, the power P is smaller than the maximum power P max .
- the power P is dependent not only on the frequency f but also on the inductance L of the system comprising the inductor 4 and the heating element 10.
- the power P is shown in two curves, namely at a low temperature T 1 and at a higher temperature T 2 of the heating element 10.
- the measurement of the power P can be carried out by measuring one or more of the above-mentioned electrical variables whose change is correlated with the temperature T of the heating element 10.
- FIG. 3 shows an example of a course of the temperature T (t) of the heating element 10 together with the associated curve of the power P (t) of the inductor 4 and a profile of the electrical variable p (t), which is determined or calculated by the control unit 12 , Also shown is the first derivative dp / dt of the time course of the electrical quantity p (t), thus the gradient of the electrical quantity p (t).
- the power P of the inductor 4 is set to a power value P 1 .
- the control unit 12 sets the frequency f to a first Value adjusts the power P of the inductor 4 by measuring and / or calculating the electrical quantity p detected and in a deviation of the power P from the desired power value P 1 by an iterative process, the frequency f changed until the power P to the desired Power value P 1 is set.
- the heating element 10 is heated so that its temperature T (t) increases. Due to this, the value of the electrical quantity p (t) slowly decreases.
- the gradient dp / dt of the electrical quantity p (t) is negative in this case, but increases slowly by a flattening of the time profile of the electrical quantity p (t).
- the temperature T (t) reaches the boiling temperature of the liquid or of the dish in the cooking container 8, the temperature T (t) no longer rises or only very slightly increases.
- the gradient dp / dt of the electrical quantity p (t) approaches zero or is very low.
- the gradient dp / dt exceeds a predetermined limit value G or the absolute value of the gradient dp / dt falls below this limit value G.
- the limit value G can be fixed in advance.
- a reaction is initiated by the control unit 12, which comprises a reduction of the power P (t) to a lower power value P 2 .
- the recognition of exceeding or falling below the limit value G can be effected by one or more triggers and / or comprise measuring or calculating steps.
- the power value P 2 is chosen so that the water or the dish in the cooking container 8 slightly simmer.
- the temperature T (t) can also be kept constant by keeping the electrical quantity p (t) constant.
- the control of the power P (t) of the inductor 4 is thus based on the electrical variable p (t).
- the temperature T (t) is adjusted by constant checking of the electrical quantity p (t) at the constant value, so that burning of the dish is at least largely prevented. If, for example, at a point in time t x, the dish cakes on the heating element 10, forming an insulating layer and thus only one low heat transfer from the heating element 10 to the court be possible, the power P of the inductor 4 is successively corrected downwards, so that the temperature T (t) of the heating element 10 remains stable at the set value.
- FIG. 4 shows a diagram in which the frequency f of the current i 1 is plotted against the time t by the inductor 4. While a number of measurement time periods .DELTA.t 1, the frequency f stable at a measuring frequency f M, and held the electric variable p (t) in each case once several times or recorded respectively.
- Heating time ranges ⁇ t 2 in which the frequency f is set to a heating frequency f H1 or f H2 , are respectively arranged between the measuring time ranges ⁇ t 1 .
- the heating frequencies f H1 , f H2 are independent of the measuring frequency f M and can be varied as desired to control the power P within predetermined limits.
- the measuring frequency f M - at least over a measuring cycle of several measuring time ranges .DELTA.t 1 - always the same, so that a stable operating point for detecting the electrical quantity p (t) is achieved.
- FIG. 5 shows a diagram analogous to FIG. 3, in which the temperature T (t) of the heating element 10 and the power P (t) of the inductor 4 are plotted against time.
- the application of the electrical variable p (t) and the gradient dp / dt of the electrical variable p (t) analogously to FIG. 3 has been omitted, the course of these variables being analogous to FIG.
- the absolute value of the gradient dp / dt falls below the limit value G at the instant t 1 , the control unit 12 leaving the power P (t) of the inductor 4 initially at the high power value P 1 .
- the temperature T (t) decreases from the first temperature T 1 , which was reached at the time t 1 , by a predetermined temperature amount ⁇ T to a lower temperature T 2 .
- the temperature amount .DELTA.T was previously set by an operator by a corresponding input to the control unit 12 to "medium", so that the temperature T 2 ensures a medium strong cooking on a court in the cooking container 8 is.
- the temperature T 2 is reached and the power P (t) of the inductor 4 is increased to a somewhat increased power value P 2 to maintain the temperature T (t) of the heating element 10 at the temperature T 2 and the desired one Cooking the dish in the cooking tray 8 upright.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Induction Heating Cooking Devices (AREA)
- Cookers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200501472A ES2292299B1 (es) | 2005-06-08 | 2005-06-08 | Dispositivo de calentamiento para una cocina de induccion. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1732357A2 true EP1732357A2 (fr) | 2006-12-13 |
EP1732357A3 EP1732357A3 (fr) | 2008-07-30 |
Family
ID=36817947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06113590A Ceased EP1732357A3 (fr) | 2005-06-08 | 2006-05-05 | Dispositif de chauffage pour appareils de cuisson à induction |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1732357A3 (fr) |
ES (1) | ES2292299B1 (fr) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100084395A1 (en) * | 2008-10-08 | 2010-04-08 | Whirlpool Corporation | Method for controlling a static power conversion unit and induction heating system for cooling appliances using such method |
EP2194756A1 (fr) | 2008-12-02 | 2010-06-09 | Whirpool Corporation | Procédé pour contrôler le système de chauffage à induction d'un appareil de cuisine |
EP2194755A1 (fr) | 2008-12-02 | 2010-06-09 | Whirpool Corporation | Procédé pour contrôler le système de chauffage à induction d'un appareil de cuisine |
EP2326140A1 (fr) | 2009-11-18 | 2011-05-25 | Whirlpool Corporation | Procédé pour contrôler un système de chauffage à induction |
US8466394B2 (en) | 2009-09-11 | 2013-06-18 | Whirlpool Corporation | Method for detecting and compensating noises in induction heating systems for domestic and professional kitchen and induction heating system using such method |
US20130161317A1 (en) * | 2011-12-23 | 2013-06-27 | Samsung Electronics, Co., Ltd. | Induction heating cooker and control method thereof |
US8598497B2 (en) | 2010-11-30 | 2013-12-03 | Bose Corporation | Cooking temperature and power control |
US8754351B2 (en) | 2010-11-30 | 2014-06-17 | Bose Corporation | Induction cooking |
US9470423B2 (en) | 2013-12-02 | 2016-10-18 | Bose Corporation | Cooktop power control system |
EP3267113A1 (fr) * | 2016-07-06 | 2018-01-10 | E.G.O. ELEKTRO-GERÄTEBAU GmbH | Procédé de fonctionnement d'une plaque de cuisson et plaque de cuisson |
DE102016115284A1 (de) | 2016-08-17 | 2018-02-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Reparaturverfahren für ein Werkstück aus einem Kunststoffmaterial, Reparaturvorrichtung |
EP3300453A1 (fr) * | 2016-09-23 | 2018-03-28 | Electrolux Appliances Aktiebolag | Procédé de détection d'ébullition et table de cuisson à induction comprenant un mécanisme de détection d'ébullition |
EP3386270A1 (fr) | 2017-04-04 | 2018-10-10 | Electrolux Appliances Aktiebolag | Procédé et système de chauffage par induction |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2062985B (en) * | 1979-11-12 | 1983-11-02 | Matsushita Electric Ind Co Ltd | Small load detection by comparison between input and output parameters of an induction heat cooking apparatus |
JPS6433879A (en) * | 1987-07-29 | 1989-02-03 | Shinko Electric Co Ltd | High-frequency induction heater |
ATE99486T1 (de) * | 1989-11-13 | 1994-01-15 | Aeg Elotherm Gmbh | Vorrichtung und verfahren zum induktiven erwaermen von werkstuecken. |
JPH09245956A (ja) * | 1996-03-07 | 1997-09-19 | Matsushita Electric Ind Co Ltd | 誘導加熱調理器 |
JP2001155846A (ja) * | 1999-09-13 | 2001-06-08 | Fuji Electric Co Ltd | 電磁調理器用加熱調理容器の温度制御装置 |
-
2005
- 2005-06-08 ES ES200501472A patent/ES2292299B1/es not_active Expired - Fee Related
-
2006
- 2006-05-05 EP EP06113590A patent/EP1732357A3/fr not_active Ceased
Non-Patent Citations (1)
Title |
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None * |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2175690A1 (fr) | 2008-10-08 | 2010-04-14 | Whirpool Corporation | Procédé de contrôle d'une unité de conversion de puissance statique et système de chauffage par induction pour appareils de cuisson utilisant ledit procédé |
US20100084395A1 (en) * | 2008-10-08 | 2010-04-08 | Whirlpool Corporation | Method for controlling a static power conversion unit and induction heating system for cooling appliances using such method |
US8492685B2 (en) | 2008-10-08 | 2013-07-23 | Whirlpool Corporation | Method for controlling a static power conversion unit and induction heating system for cooling appliances using such method |
US8530805B2 (en) | 2008-12-02 | 2013-09-10 | Whirlpool Corporation | Method for controlling an induction heating system of a cooking appliance |
EP2194756A1 (fr) | 2008-12-02 | 2010-06-09 | Whirpool Corporation | Procédé pour contrôler le système de chauffage à induction d'un appareil de cuisine |
EP2194755A1 (fr) | 2008-12-02 | 2010-06-09 | Whirpool Corporation | Procédé pour contrôler le système de chauffage à induction d'un appareil de cuisine |
US8563905B2 (en) | 2008-12-02 | 2013-10-22 | Whirlpool Corporation | Method for controlling the induction heating system of a cooking appliance |
US8466394B2 (en) | 2009-09-11 | 2013-06-18 | Whirlpool Corporation | Method for detecting and compensating noises in induction heating systems for domestic and professional kitchen and induction heating system using such method |
US10136477B2 (en) | 2009-11-18 | 2018-11-20 | Whirlpool Corporation | Method for controlling an induction heating system |
EP2326140A1 (fr) | 2009-11-18 | 2011-05-25 | Whirlpool Corporation | Procédé pour contrôler un système de chauffage à induction |
US11979962B2 (en) | 2009-11-18 | 2024-05-07 | Whirlpool Corporation | Method for controlling an induction heating system |
US8598497B2 (en) | 2010-11-30 | 2013-12-03 | Bose Corporation | Cooking temperature and power control |
US8754351B2 (en) | 2010-11-30 | 2014-06-17 | Bose Corporation | Induction cooking |
US9006622B2 (en) | 2010-11-30 | 2015-04-14 | Bose Corporation | Induction cooking |
US9131537B2 (en) | 2011-03-29 | 2015-09-08 | Boise Corporation | Cooking temperature and power control |
US20130161317A1 (en) * | 2011-12-23 | 2013-06-27 | Samsung Electronics, Co., Ltd. | Induction heating cooker and control method thereof |
US9470423B2 (en) | 2013-12-02 | 2016-10-18 | Bose Corporation | Cooktop power control system |
EP3267113A1 (fr) * | 2016-07-06 | 2018-01-10 | E.G.O. ELEKTRO-GERÄTEBAU GmbH | Procédé de fonctionnement d'une plaque de cuisson et plaque de cuisson |
US10708982B2 (en) | 2016-07-06 | 2020-07-07 | E.G.O. Elektro-Geraetebau Gmbh | Method for operating a hob, and hob |
US10857741B2 (en) | 2016-08-17 | 2020-12-08 | Deutsches Zentrum fuer Luft—und Raumfahrt e.V. | Repair method for a workpiece of a plastics material, repair apparatus |
WO2018033399A1 (fr) | 2016-08-17 | 2018-02-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Procédé de réparation d'une pièce en matière plastique, dispositif de réparation |
DE102016115284A1 (de) | 2016-08-17 | 2018-02-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Reparaturverfahren für ein Werkstück aus einem Kunststoffmaterial, Reparaturvorrichtung |
WO2018054617A1 (fr) * | 2016-09-23 | 2018-03-29 | Electrolux Appliances Aktiebolag | Procédé de détection d'ébullition et plaque de cuisson à induction comprenant un mécanisme de détection d'ébullition |
CN109792804A (zh) * | 2016-09-23 | 2019-05-21 | 伊莱克斯家用电器股份公司 | 用于沸腾检测的方法以及包括沸腾检测机构的感应灶具 |
EP3300453A1 (fr) * | 2016-09-23 | 2018-03-28 | Electrolux Appliances Aktiebolag | Procédé de détection d'ébullition et table de cuisson à induction comprenant un mécanisme de détection d'ébullition |
CN109792804B (zh) * | 2016-09-23 | 2022-04-19 | 伊莱克斯家用电器股份公司 | 用于沸腾检测的方法以及包括沸腾检测机构的感应灶具 |
US11330678B2 (en) * | 2016-09-23 | 2022-05-10 | Electrolux Appliances Aktiebolag | Method for boil detection and induction hob including a boil detection mechanism |
AU2017329374B2 (en) * | 2016-09-23 | 2022-09-15 | Electrolux Appliances Aktiebolag | Method for boil detection and induction hob including a boil detection mechanism |
EP3386270A1 (fr) | 2017-04-04 | 2018-10-10 | Electrolux Appliances Aktiebolag | Procédé et système de chauffage par induction |
Also Published As
Publication number | Publication date |
---|---|
ES2292299B1 (es) | 2008-10-16 |
EP1732357A3 (fr) | 2008-07-30 |
ES2292299A1 (es) | 2008-03-01 |
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