EP1838137B1 - Procédé et circuit destinés à la commande d'au moins un élément de chauffe d'un appareil de chauffage - Google Patents

Procédé et circuit destinés à la commande d'au moins un élément de chauffe d'un appareil de chauffage Download PDF

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Publication number
EP1838137B1
EP1838137B1 EP20070005902 EP07005902A EP1838137B1 EP 1838137 B1 EP1838137 B1 EP 1838137B1 EP 20070005902 EP20070005902 EP 20070005902 EP 07005902 A EP07005902 A EP 07005902A EP 1838137 B1 EP1838137 B1 EP 1838137B1
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EP
European Patent Office
Prior art keywords
temperature
heating element
threshold value
time
temperature threshold
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Not-in-force
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EP20070005902
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German (de)
English (en)
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EP1838137A1 (fr
Inventor
Dipl. Ing. Werner Reiter
Dipl. Ing. Uwe Grinninger
Dipl. Ing. Peter Seyr
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REITER, WERNER
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Individual
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Priority to PL07005902T priority Critical patent/PL1838137T3/pl
Publication of EP1838137A1 publication Critical patent/EP1838137A1/fr
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    • 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
    • H05B2213/07—Heating plates with temperature control means

Definitions

  • the invention relates to a method according to the preamble of claim 1 and to a circuit arrangement according to the preamble of claim 16.
  • the term "heater” is to be understood in general as meaning devices, in particular those for domestic and / or commercial use, which have at least one electrically operated heating element. Heating devices in the context of the invention are therefore in particular, but not exclusively, appliances for cooking and / or baking, in particular also electrically operated ovens.
  • control electronics and the safety electronics are each assigned a temperature sensor which is located above the heating element immediately below the heated surface of this heating element (glass-ceramic hob), as closely as possible the temperature of the heated surface of the heating element (glass-ceramic plate ) to eat.
  • the signal supplied by the temperature sensor is compared to a fixed temperature threshold, such that when the temperature measured by the corresponding temperature sensor reaches a value of 650-750 ° C., a main switch, for example via a corresponding relay , an automatic shutdown of the heating element takes place.
  • a fixed temperature threshold is required.
  • the object of the invention is to provide a method for driving an electric heating element of a heating device, which avoids this disadvantage.
  • a method according to claim 1 is formed.
  • a circuit arrangement is the subject of patent claim 16.
  • a criterion which is determined as a function of relevant operating parameters and dynamically changed during operation of the at least one heating element taking into account the current values of the operating parameters (dynamic switching or switching criterion, eg dynamic temperature threshold).
  • Suitable operating parameters are, for example, the temperature and / or the switch-on time or duration of the respective heating element.
  • Other operating parameters relevant to the safety of the device and / or the surface heated by the heating element can also be used for the formation of the dynamic temperature threshold value, eg the temperature of the heating element or the surface heated by this heating element. the time elapsed since the last start-up of the heating element, etc.
  • the combination of various operating parameters is possible.
  • a simplified temperature and time-dependent change in the temperature threshold value is achieved, for example, in that the temperature threshold at which switching or switching off of the heating element is lower at the switch-on time at a higher temperature, which is determined by the at least one temperature sensor than at a lower temperature.
  • the temperature-dependent control of, for example, the temperature threshold value can also be such that at higher temperatures determined by the at least one temperature sensor, the decrease in the temperature threshold value is greater than at lower temperatures.
  • the inventive method and the circuit arrangement according to the invention is suitable both for a protective function (fail-safe function), which causes a shutdown of the at least one heating element or the entire cooking and baking area when the measured temperature or the measured temperatures reach the switching criterion , as well as for a temperature control.
  • a protective function failure-safe function
  • the respective heating element is switched on or off when reaching the switching criterion, so that there is no overheating and the desired or set by the user temperature is reached or retained. After falling below the dynamically formed switching criterion, a switching back or re-switching of the heating element takes place.
  • the method can also be designed that the switching criterion is formed as a function of the temperature determined by the at least one temperature sensor of the at least one heating element and / or of the heating device having this heating element, and / or that the switching criterion is a temperature threshold, and that the temperature threshold or the temporal course of this threshold is dynamically formed as a function of current operating parameters of the at least one heating element and / or of the heating device having this heating element, and or that the temperature threshold or the time profile of this threshold value is formed taking into account the temperature determined by the at least one temperature sensor and / or taking into account the time change of the temperature determined by the at least one temperature sensor and / or taking into account the gradient of the temporal temperature change, and or that the temperature threshold or the time profile of this threshold value is formed taking into account the switch-on time and / or taking into account the switch-on duration and / or taking into account the switch-off duration of the heater before restarting the heating element, and or that the temperature threshold or the time profile of
  • the circuit arrangement can also be designed in such a way that that the switching criterion is formed as a function of the temperature determined by the at least one temperature sensor of the at least one heating element and / or of the heating device having this heating element, and or that the switching criterion is a temperature threshold, and that in the logic of the temperature threshold or the time course of this threshold value in dependence on current operating parameters of the at least one Heating element and / or of this heating element having heater is formed dynamically, and or that in the logic of the temperature threshold or the time course of this threshold value taking into account the temperature determined by the at least one temperature sensor and / or taking into account the change over time of the temperature determined by the at least one temperature sensor and / or taking into account the gradient of the temporal temperature change becomes, and or that in the logic of the temperature threshold or the time course of this threshold is formed taking into account the switch-on and / or taking into account the duty cycle and / or taking into account the switch-off of the heater before re-commissioning of the heating
  • the logic causes the temperature threshold value to be raised when the temperature determined by the at least one temperature sensor is preferably well below a temperature threshold valid during this period of time, and or the logic causes shutdown of the at least one heating element when the rising temperature determined by the at least one temperature sensor exceeds a critical value and remains above that temperature for a predetermined period of time, and or that in logic, when the temperature determined by the at least one temperature sensor reaches a critical value, a new reduced value is formed in each case, and if the temperature is exceeded for a predetermined period of time, the respective one heating element is switched off, and or that the switching criterion is the criterion of a safety shutdown or a safety circuit formed by the logic, and or that the switching criterion is the criterion of a temperature control formed by the logic or a circuit for the temperature control of the at least one heating element, wherein the aforementioned features in the circuit arrangement according to the invention can be used individually or in any combination.
  • 1 is an electrically operated heating element of a hob 2 of a cooking or baking device.
  • the arranged under a glass ceramic plate 2.1 heating element 1 is for operation via two controllable switch, namely a control switch 3, such as relays or triac, and a main switch 4, for example relay or contactor, with the voltage applied to the terminals 5 mains voltage (z. B. 230 volt mains voltage) connectable.
  • the arrangement is here made such that the switches 3 and 4 are provided in the connection between the heating element 1 and one of the terminals 5, respectively.
  • FIG. 1 To control the heating element or the relay 2 and 3 is used in the FIG. 1 generally designated 6 circuit arrangement.
  • This includes, inter alia, a plurality of temperature sensors 7.1, 7.2... 7.n for generating in each case one of the measured temperature-dependent electrical measurement signal.
  • the temperature sensors are in the illustrated embodiment, passive sensors having a temperature-dependent resistance and connected to one input of a measuring electronics or a circuit 8 for forming the measurement signals.
  • a calibration circuit 9 Associated with the circuit 8 is a calibration circuit 9, which serves for the automatic calibration of the circuit 8 in the manner described in more detail below.
  • One of the sensors namely the sensor 7.1 is provided on the heating element 1 below the glass ceramic plate 2.1, for monitoring the temperature of this plate.
  • Further temperature sensors 7.2-7.n are provided at critical and / or monitored areas of the cooking and brook apparatus, for example at critical areas within the control or monitoring electronics 6, at walls of the cooking or baking apparatus, at areas laterally from the glassware. Ceramic hob 2, for example below the heating element 1 and / or laterally thereof, etc.
  • the additional sensors 7.2 - 7.n may also be temperature sensors of heating elements 1 or hobs, which are provided adjacent to the heating element 1 below the glass ceramic plate 2.
  • the measurement signal in particular the sensor 7.1 reaches the control electronics 10, which compares this measurement signal as an actual value with a preset or set value supplied by a temperature preselection 12 and from this forms a signal for driving the switch 3.
  • the temperature preselection 12 has the usual adjustment knob 13, via which the user can adjust or regulate the temperature and / or the power of the hob 2, so that in dependence on the set value and the with the sensor 7.1 formed actual value by switching on and off of the heating element 1 via the switch 3, the temperature of the glass-ceramic hob 2 is controlled.
  • the safety electronics 11 are the temperature readings of all sensors 7.1 - 7.n supplied. Taking into account further operating parameters, for example the switch-on time and / or switch-on duration of the heating element 1, switch-off duration of the heating element 1 since the last start-up, etc., a dynamic temperature threshold value is formed in a logic 14 assigned to the safety electronics 11 according to a special algorithm from these temperature measured values or operating parameters , so that the safety electronics 11 causes a shutdown of the heating element 1 via the switch 4 then when the temperature of the glass-ceramic plate 2.1 determined by the sensor 7.1 reaches the dynamic temperature threshold. In principle, it is also possible, in addition to the temperature determined by the temperature sensor 7.1, to monitor the temperature of further sensors 7.2 - 7.n for possible exceeding of a further temperature threshold.
  • the logic 14 is preferably formed with a microprocessor and a corresponding program, in which case the circuit 8 provides the measuring signals, for example in digital form, at its output. But there is u.a. also the possibility of constructing the logic 14 with discrete components, for example as digital logic or as analog logic, in which then the dynamic temperature threshold value is obtained using, for example, corresponding networks from the signals corresponding to the relevant operating parameters.
  • the safety electronics 11 and their logic 14 are further designed so that even when the heating element 1 is switched off its temperature is compared with a low temperature threshold corresponding to this operating state, which is formed, for example, according to a stand-alone heating element 1 independent algorithm.
  • the temperatures determined by the sensors 7.1 - 7.n the temporal change of one or more of these temperatures, in particular the change over time of the temperature determined by the sensor 7.1, the switch-on and switch-off of the heating element 1, switch-on and switch-off of adjacent heating elements, position the temperature preselection 12 for the heating element 1, the position of the temperature preselection of adjacent heating elements, switch-off of the heating element 1, optionally also adjacent heating elements, etc.
  • the valid at this time, determined by the logic 14 initial temperature threshold T s0 is dependent on the actual temperature of the heating element 1 and the glass ceramic plate 2.1, in such a way that when cold glass ceramic hob 2 or in the case of a cold glass-ceramic plate 2.1, the initial temperature threshold T s0 is higher than in the case of a glass-ceramic plate 2.1 which is still hot when it is switched on.
  • the temperature threshold value formed by the logic 14 is reduced as a function of the current operating parameters, as shown in FIG. 3 is indicated with the family of curves at 15.1.
  • the temperature threshold may also increase during certain operating conditions during operation of the heating element, as indicated by the line 15.2.
  • the thus dynamically formed or dynamic temperature threshold has the advantage, inter alia, that the heating element 1 or the corresponding glass ceramic hob 2 after switching on with an increased power and thus with a elevated temperature can be operated, which is well above the temperature threshold usually proposed for glass ceramic hobs, which, inter alia, a rapid heating of the respective cooking material and thus reduced cooking times can be achieved.
  • the temperature of the glass ceramic hob is then automatically limited along the respective current operating parameters associated history of the dynamic temperature threshold.
  • the dynamic temperature threshold value formation also engages in the control electronics, so as to automatically achieve an operation of the heating element 1 respectively below the dynamic temperature threshold.
  • the safety electronics 11 and the associated logic 14 are further designed for self-monitoring, z. B. by plausibility checks, for example, according to a standalone algorithm. Furthermore, the safety electronics 11 and the logic 14 are designed such that faults occurring within a predetermined tolerance range are stored during this check and a safety shutdown of the heating element 1 via the switch 4 takes place only when these faults occur again.
  • the plausibility check may include a check that when the switch 3 or 4 is opened, the temperature measured by the sensor 7.1 must decrease. If this is not the case, then the safety shutdown takes place.
  • the control electronics 10 and / or the switching electronics 11 are preferably designed so that a switching of the relevant switch 3 and / or 4 takes place in each case at the zero crossing of the phase of the voltage applied to the terminals 5 alternating supply voltage.
  • a monitoring circuit 16 is provided which monitors the zero crossing of the alternating supply voltage and supplies the corresponding signals to the control electronics 10 as well as to the safety electronics 11.
  • the circuit 8 While the temperature sensors 7.1 - 7.n themselves have a relatively high accuracy, the measurement signals formed by the circuit 8 are dependent to a considerable extent on the temperature of the control electronics 6 and der Druckes 8. To compensate for these temperature-dependent errors, takes place with the Circuit 9 is a calibration of the circuit 8 and the measurement signals supplied by this circuit.
  • a fixed measuring resistor 8.1 and 8.2 is provided at two sensor inputs of the circuit 8 respectively. These resistors are temperature independent and designed with low tolerances.
  • the resistance value of the resistor 8.1 corresponds to the value which the sensors 7.1 - 7.n have at a low temperature, and the resistance of the resistor 8.2 to the value that the temperature sensors 7.1 - 7.n have at a higher temperature.
  • the respective measured value corresponding to the measuring resistors 8.1 and 8.2 at the output of this circuit is compared as actual value in the circuit 9 with a setpoint value corresponding to the measuring resistors and then the circuit 8 or the characteristic there is changed so that the respective actual value corresponds to the associated setpoint.
  • the FIG. 4 shows in dependence on the time course 17 of the example measured by the sensor 7.1 temperature of the heating element 1, the course 18 of the dynamic temperature threshold T s , which is above a shutdown of the heating element 1 by the fail-safe or safety function.
  • the temperature threshold value T s has a predetermined value T s0 .
  • a timer function is activated with which after a predetermined period of time .DELTA.t1 the temperature threshold T s the course 18 is reduced or taken back to the value T K1 , in this embodiment stepwise to a value which is equal to the critical temperature T K1 .
  • the temperature measured on the heating element 1 does not fall below the critical temperature T K1 in the further course and / or if the temperature measured at the heating element 1 is above a critical temperature T K2 that is now valid after the temperature threshold value has been reduced to the value T s1 , then a timer function again occurs is activated, with which then after a period of time .DELTA.t2 a renewed reduction or resetting of the temperature threshold T s to the value T S2 is effected, which applies together with a new critical temperature T K3 for the beginning of the reset of the temperature threshold T s monitoring phase, etc.
  • the dynamic change of the temperature threshold T s is designed so that when reaching a lowest value for the temperature threshold T s no further reduction takes place.
  • the FIG. 5 shows the curve 18 of the temperature threshold T s at one of the FIG. 4 Deviating course 17 of the measured temperature of the heating element 1.
  • the temperature threshold T s at turn-on time again has the predetermined value T s0 .
  • the temperature measured at the heating element 1 initially rises slowly and reaches the critical temperature T K1 only after a longer time, from which then the timer function is set in motion, so that after the time period ⁇ t1 the reduction of the temperature threshold value 17 takes place to the value T S1 , which in turn is identical to the critical temperature T K1 , for example.
  • FIG. 6 illustrates with the course 18 that the change in the temperature threshold T s is reversible, ie when the temperature measured at the heating element 1 is below a critical temperature T K4 for a predetermined period of time and / or steadily decreases over a longer period of time, takes place in stages an increase of the threshold temperature T s, for example, from the value T s2 to the value T s1 and from this to the output value T s0 .
  • the FIG. 7 shows in a temperature-time diagram, the curve 18 of the temperature threshold T s as a function of the curve 17 of the measured at the heating element 1 temperature.
  • the curve 18 of the temperature threshold T s is not exceeding or falling below a critical temperature T K1 , T K2 , T K3 , T K4 ... as a criterion for a change in the temperature threshold T s , but a certain energy input by the switched heating element 1 or a size equivalent thereto ,
  • the time integral of the temperature measured at the heating element 1 is formed after switching on the heating element 1 in each of the temporally successive monitoring phases, as shown in the FIG. 7 with 19 and 20 is indicated.
  • the time integral of the difference between the temperature measured at the heating element 1 and a reference temperature T K1 (in the initial monitoring phase) or a temperature T K2 (in a further temporally following monitoring phase), etc. is formed. If the time integral in the respective monitoring phase reaches a value predetermined for this phase, the temperature threshold value T s is reduced, ie in the first monitoring phase from T S0 to T S1 , which in turn is equal to the temperature T K1 in this embodiment. If the actual temperature of the heating element exceeds this value T S1 , the heating element 1 is switched off by the fail-safe function. If the temperature of the heating element 1 is below the temperature T S1 , the heating element 1 remains switched on.
  • the time integral of the difference between the measured temperature and a reference temperature valid for this monitoring phase is again formed. Achieve this Time integral, a predetermined value, so a further lowering of the temperature threshold T s, for example, to the value T S2 , which is equal to the reference temperature T K2 in this embodiment.
  • the time integrals formed for changing the temperature threshold value T s can additionally be weighted by a weighting factor, which in turn is, for example, a function of the switch-on time of the heating element 1.
  • a weighting factor for example, a function of the switch-on time of the heating element 1.
  • the monitoring phases are not fixed in terms of beginning and / or end, but also change dynamically depending on the temperature of the heating element 1 and other operating parameters.
  • each measured temperature is monitored with respect to a possible exceeding of a switching criterion, for example a predetermined or dynamically formed taking into account the current operating parameters temperature threshold and / or independent for the respective temperature timer function.
  • a shutdown in the sense of fail-safe function then takes place, for example, when one of the monitored temperatures reaches the switching criterion.
  • the invention in connection with a shutdown, ie safety shutdown of the heating element 1 when reaching or exceeding the dynamically formed switching criterion has been described.
  • the invention can also be used for temperature control of the heating element or for both the safety function and the temperature control, in which case, for example, at least functionally separate circuits or logics are provided for both functions.
  • the temperature control is then in each case upon reaching a in this case by the user made setting (temperature setting) dependent switching criterion no safety shutdown in terms of a fail-safe function, but a switching back of the respective heating element, ie a reduction of the respective heating element supplied electrical power or energy and thus a reduction in the temperature of the heating element.
  • control electronics 6 has been described by naming various circuits or functional elements. It is understood that at least one or more of these functional elements can be combined to form a common functional element and / or these functional elements can at least partially also be realized by software.
  • control electronics 6 is associated with only one heating element 1. Of course, it is possible to provide the control electronics 6 or individual functions of this control electronics for several heating elements 1 together.
  • the temperature sensor 7.1 is provided for the temperature preselection and / or regulation and the safety regulation, ie for the fail-safe function in common.
  • an independent sensor can also be used for the temperature preselection and / or regulation.

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  • Ceramic Engineering (AREA)
  • Control Of Resistance Heating (AREA)

Claims (16)

  1. Procédé de commande d'au moins un élément chauffant (1), notamment d'un élément chauffant d'un appareil de cuisson électrique, en utilisant au moins un capteur de température électrique (7.1-7.n) pour mesurer la température de l'élément chauffant (1) et/ou la température d'une surface (2.1) chauffée par l'élément de chauffage (1) ainsi que pour éteindre ou rallumer de manière autonome l'élément chauffant (1) si la température mesurée par l'au moins un capteur (7.1-7.n) atteint une valeur seuil de température (Ts) formant un critère d'allumage, dans lequel la valeur seuil de température ou l'évolution temporelle de cette valeur seuil en fonction de chaque paramètre de fonctionnement effectif de l'au moins un élément chauffant (1) et/ou de l'appareil chauffant présentant cet élément chauffant sont formées dans une logique,
    caractérisé en ce que
    la valeur seuil de température ou l'évolution temporelle de cette valeur seuil sont déterminées de manière dynamique selon au moins l'un des critères suivants :
    (a) si la température déterminée par l'au moins un capteur de température (7.1-7.n) est supérieure à une température critique prédéfinie (TK1, TK2, TK3), une fonction de minuterie est démarrée, qui après l'expiration d'une durée (Δt1, Δt2) prédéfinie avec cette fonction provoque une réduction de la valeur seuil de température ;
    (b) la modification dynamique de la valeur seuil de température (Ts) se produit en fonction d'une intégrale température-temps, laquelle en fonction de la température mesurée par l'au moins un capteur (7.1-7.n) est formée de manière intégrée dans le temps, et en ce qu'une réduction de la valeur seuil de température (Ts) se produit si l'intégrale température-temps dépasse une valeur prédéfinie ;
    (c) la modification dynamique de la valeur seuil de température (Ts) se produit en prenant en compte le gradient de la modification temporelle de température de la température mesurée par l'au moins un capteur.
  2. Procédé selon la revendication 1, caractérisé en ce que l'arrêt de l'au moins un élément chauffant (1) se produit si la température montante déterminée par l'au moins un capteur de température (7.1-7.n) est supérieure à la valeur critique (TK1, TK2) et reste supérieure à cette température pendant la durée (Δt1, Δt2) prédéfinie par la fonction de minuterie, qui augmente avec la baisse de la température (TK1, TK2).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la durée (Δt1, Δt2) prédéfinie par la fonction de minuterie augmente avec la baisse de la température (TK1, TK2).
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que la fonction de minuterie provoque après l'expiration de la durée (Δt1, Δt2) prédéfinie avec elle une réduction de la valeur seuil de température à une valeur (TS1, TS2, TS3) qui correspond à la température critique (TK1, TK2, TK3).
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'intégrale temps-température est formée en utilisant la différence entre la température mesurée par l'au moins un capteur de température (7.1-7.n) et une température de référence (TK1, TK2), qui correspond de préférence à la température à laquelle la valeur seuil de température est réduite si l'intégrale temps-température est supérieure à la valeur prédéfinie.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que la valeur seuil de température (T5) ou l'évolution temporelle de cette valeur seuil est formée en prenant en compte le moment d'allumage et/ou en prenant en compte la durée de fonctionnement et/ou en prenant en compte la durée de non-fonctionnement du chauffage avant une nouvelle mise en service de l'élément chauffant (1) et/ou en prenant en compte la position d'un préréglage de température (12).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que la valeur seuil de température ou l'évolution temporelle de cette valeur seuil est formée en prenant en compte la température et/ou l'évolution temporelle de la température et/ou le gradient de température et/ou le moment d'allumage et d'arrêt des éléments chauffants voisins.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que lors de l'allumage de l'élément chauffant (1) froid, c'est-à-dire présentant la température ambiante, une valeur seuil de température initiale (TS0) est constatée et celle-ci est ensuite modifiée, par exemple réduite, avec l'augmentation de la durée de service.
  9. Procédé selon la revendication 8, caractérisé en ce que les paramètres de fonctionnement sont par exemple pris en compte lors de l'établissement de la valeur seuil de température ou de l'évolution temporelle de cette valeur seuil, de telle sorte que la température mesurée par l'au moins un capteur de température (7.1-7.n) et/ou l'augmentation de température mesurée par l'au moins un capteur de température (7.1-7.n) et/ou la durée de fonctionnement de l'au moins un élément chauffant (1) et/ou des éléments chauffants voisins provoque une tendance à la réduction d'un seuil de température initiale (TS0).
  10. Procédé selon l'une des revendications précédentes, caractérisé en ce que des erreurs présentes au sein de tolérances prédéfinies pendant le fonctionnement de l'au moins un élément chauffant (1) sont enregistrées et lors d'apparitions répétées de ces erreurs un arrêt de l'au moins un élément chauffant (1) et/ou de l'appareil chauffant se produit.
  11. Procédé selon l'une des revendications précédentes, caractérisé en ce que la modification, en particulier le recul de la valeur seuil de température se produit en prenant en compte l'apport d'énergie généré par l'au moins un élément chauffant (1).
  12. Procédé selon la revendication 11, caractérisé en ce que la modification, en particulier le recul de la valeur seuil de température se produit en prenant en compte un quotient issu de l'apport d'énergie et/ou de l'intégrale température-temps et un facteur de pondération, dont la valeur est une fonction de la durée de fonctionnement de l'élément chauffant (1), augmente par exemple avec l'augmentation de la durée de fonctionnement de l'élément chauffant (1).
  13. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'une augmentation de la valeur seuil de température (Ts) se produit si la température déterminée par l'au moins un capteur de température (7.1-7.n) se trouve de préférence pendant une période prédéfinie nettement en dessous d'une valeur seuil de température valable pendant cette période.
  14. Procédé selon l'une des revendications précédentes, caractérisé en ce que le critère de commutation est le critère d'un arrêt de sécurité ou d'un circuit de sécurité.
  15. Procédé selon l'une des revendications précédentes, caractérisé en ce que le critère de commutation est le critère d'un réglage de température ou d'une commutation pour le réglage de température de l'au moins un élément chauffant (1).
  16. Circuit pour la commande d'au moins un élément chauffant (1), notamment un élément chauffant d'un appareil de cuisson électrique, comprenant au moins un capteur de température électrique (7.1-7.n) pour mesurer la température de l'élément chauffant (1) et/ou d'une surface (2.1) chauffée par celui-ci ainsi qu'une électronique (11) et une logique (14) associée à celle-ci pour éteindre ou rallumer l'élément chauffant (1) si la température mesurée par l'au moins un capteur (7.1-7.n) atteint ou dépasse une valeur seuil de température (Ts),
    caractérisé en ce que
    la logique (14) est configurée pour une détermination dynamique de la valeur seuil de température ou de l'évolution temporelle de cette valeur seuil selon au moins l'une des revendications 1 à 15.
EP20070005902 2006-03-23 2007-03-22 Procédé et circuit destinés à la commande d'au moins un élément de chauffe d'un appareil de chauffage Not-in-force EP1838137B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07005902T PL1838137T3 (pl) 2006-03-23 2007-03-22 Sposób i układ połączeń do sterowania przynajmniej jednym elementem grzejnym urządzenia grzejnego

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006013811 2006-03-23
DE102006030446 2006-06-29
DE102006038832A DE102006038832A1 (de) 2006-03-23 2006-08-18 Verfahren sowie Schaltungsanordnung zum Steuern wenigstens eines Heizelementes eines Heizgerätes

Publications (2)

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EP1838137A1 EP1838137A1 (fr) 2007-09-26
EP1838137B1 true EP1838137B1 (fr) 2013-05-15

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EP20070005902 Not-in-force EP1838137B1 (fr) 2006-03-23 2007-03-22 Procédé et circuit destinés à la commande d'au moins un élément de chauffe d'un appareil de chauffage

Country Status (4)

Country Link
US (1) US7947930B2 (fr)
EP (1) EP1838137B1 (fr)
DE (1) DE102006038832A1 (fr)
PL (1) PL1838137T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005050862B3 (de) * 2005-10-24 2007-05-03 Webasto Ag Verfahren zum Steuern eines motorunabhängigen Heizgeräts, Steuereinrichtung für ein motorunabhängiges Heizgerät, Heizgerät und Heizsystem
DE102008014268A1 (de) * 2008-03-04 2009-09-17 E.G.O. Elektro-Gerätebau GmbH Verfahren und Vorrichtung zur Steuerung eines Kochfeldes
ES2614256T3 (es) * 2011-03-22 2017-05-30 Saint-Gobain Glass France Procedimiento y dispositivo para descongelar un cristal transparente con instalación calefactora eléctrica
ES1077312Y (es) * 2012-06-13 2012-09-28 Eika S Coop Aparato de cocción adaptado a una encimera de cocción, en particular vitrocerámica
US20160014846A1 (en) * 2014-07-11 2016-01-14 E.G.O. Elektro-Geraetebau Gmbh Method and apparatus for supplying power to a radiant heating element
US11379023B2 (en) * 2019-07-15 2022-07-05 Microsoft Technology Licensing, Llc Regulating device surface temperature

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789190A (en) * 1972-10-17 1974-01-29 A J Matlen Temperature regulation for electrical heater
DE19617319A1 (de) * 1996-04-19 1997-10-23 Inter Control Koehler Hermann Verfahren sowie Einrichtung zur Regelung der Heizenergie einer Heizeinheit
GB2325533B (en) * 1997-05-22 2001-08-08 Ceramaspeed Ltd Method and apparatus for controlling an electric heater
US6403932B1 (en) * 2001-01-09 2002-06-11 Emerson Electric Co. Controller for a heating unit in a cooktop and methods of operating same
DE10122427A1 (de) * 2001-05-09 2002-11-14 Bsh Bosch Siemens Hausgeraete Verfahren und Vorrichtung zur Begrenzung und/oder Steuerung der Oberflächentemperatur eines Kochfelds
GB0112120D0 (en) * 2001-05-18 2001-07-11 Ceramaspeed Ltd Method and apparatus for controlling an elelctric cooking appliance
GB0200914D0 (en) * 2002-01-16 2002-03-06 Ceramaspeed Ltd Apparatus and method for controlling an electric assembly

Also Published As

Publication number Publication date
US7947930B2 (en) 2011-05-24
US20070221656A1 (en) 2007-09-27
PL1838137T3 (pl) 2013-09-30
EP1838137A1 (fr) 2007-09-26
DE102006038832A1 (de) 2007-09-27

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