EP0213442B1 - Disposition pour commander des fours à micro-ondes et/ou à énergie calorifique - Google Patents

Disposition pour commander des fours à micro-ondes et/ou à énergie calorifique Download PDF

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Publication number
EP0213442B1
EP0213442B1 EP86110857A EP86110857A EP0213442B1 EP 0213442 B1 EP0213442 B1 EP 0213442B1 EP 86110857 A EP86110857 A EP 86110857A EP 86110857 A EP86110857 A EP 86110857A EP 0213442 B1 EP0213442 B1 EP 0213442B1
Authority
EP
European Patent Office
Prior art keywords
heating
microwave
time
switch
resistance
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.)
Expired - Lifetime
Application number
EP86110857A
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German (de)
English (en)
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EP0213442A1 (fr
Inventor
Helmut Dipl.-Ing. Waigand
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Individual
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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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/647—Aspects related to microwave heating combined with other heating techniques
    • H05B6/6482—Aspects related to microwave heating combined with other heating techniques combined with radiant heating, e.g. infrared heating
    • 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
    • H05B6/64—Heating using microwaves
    • H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • H05B6/645—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors

Definitions

  • the present invention relates to an arrangement in an electric cooker with resistance heating sources and microwave heating sources as well as with a time or program control device which supplies them with heating power, by means of which, via a switching device for selecting the heating sources, either the microwave energy with respect to the heating power can be selected Clocking and with regard to the heating duration can be adjusted by a first input element or the thermal heating energy can be adjusted with regard to the heating duration by a second input element.
  • the microwave operation can usually be time-controlled in the manner described using the resistance heating elements.
  • the switching device has an additional switching position for a combined resistance / microwave heating operation, in which the response times of the microwave operation are automatically adopted for a simultaneous resistance heating operation preset by a temperature selection switch.
  • the arrangement according to the invention is characterized in that a selector switch is assigned to the time and / or program control device, via which this program control device can alternatively be set to the time-controlled operating modes "microwave", “time-controlled resistance heating” and “resistance-microwave heating combination” ". If this selector switch takes the "microwave” position, the resistance heating can be switched on and off manually, regardless of whether microwave operation is taking place or not. This microwave mode is set via input elements of the time and / or program control device.
  • the operating mode selector switch 1 is used to enter the operating modes, in each case one switching position is provided for the operating modes "time-controlled resistance heating", "microwave” and "time-controlled microwave-resistance heating combination”.
  • the microwave operation can be preset and started by entering microwave power values via the corresponding buttons 2 of the control unit and time values assigned to this control unit via a rotary switch 3, which are shown on the display 4, and then - prompted by flashing an indicator lighted 5 - the start button 6 is pressed.
  • Microwave operation must be ended prematurely by pressing a stop button 7.
  • a temperature selector switch 8 is used to set the operating values, which, in addition to the position for the oven lighting, can be set to temperature values between 50 ° C. and 250 ° C. and for a grill operation.
  • the resistance heating is to be carried out in a time-controlled manner, a setting is to be made in the same way via the temperature selector switch 8, but the selector switch 1 for the operating modes is to be set to the "time-controlled resistance heating" position. It is now indicated by flashing that an assigned key 2 is to be pressed and the time must be entered via the rotary switch 3. Then the time-controlled resistance heating is started by pressing the start button 6.
  • the setting values can be entered as in pure microwave mode and in pure resistance heating mode, the setting times for microwave mode being automatically adopted for resistance heating mode.
  • the cooking process is also started using the start button 6.
  • the different operating modes which can be carried out with the aid of the cooker equipped according to the invention, are realized as binary values by the positions of the switches F1, F2, F3, which can be set by cams of the selector switch 1, which the function control device ZSt be forwarded.
  • the illustration shows that when the operating mode with thermal heating is used, the switches F1 and F3 are kept open when the operating mode with microwave heating is used. If both types of heating are used in a superimposed manner, all three switches F1, F2, F3 are consequently kept open.
  • Fig. 4 shows that the switch F1 is connected to the heating circuit for the heating resistors R1, R2, R3.
  • the switches F2 and F3 are used to enter information for the control device ZSt.
  • the heating resistor R1 serves as a grill heater and as a heater for the top heat, while the heating resistors R2 and R3 are assigned to the bottom heat in the oven.
  • the temperature controller TR in the power circuit is set to the operating value by the temperature selection switch 8 (FIG. 1). Further cams are arranged on the shaft of the temperature selector switch, via which the switches T1, T2, T3, T4 can be switched. The switches T1 and T2 are closed when the temperature selection switch 8 is rotated in the area in which the heating is to take place.
  • the switch T2 In the temperature range up to 250 ° C, the switch T2 remains closed and the switch T3 is open, so that the heating resistors R2 and R3 are available to provide the bottom heat and the heating resistor R1 - due to the series connection with the heating resistor R3 - supplies the top heat. If the temperature selection switch 8 is turned to the grill position, the switch T2 opens and the switch T3 closes. This means that the heating resistors R2 and R3 are deactivated and the heating resistor R1 is now at the full supply voltage in the function as a grill radiator. The control range of the temperature controller TR is also exhausted, so that the assigned switch remains closed. Depending on the rotary setting of the temperature selector switch 8 in the grill area, an energy regulator ER for clocking the heating current for the heating resistor R1 has a power-reducing effect.
  • the operating mode selector switch 1 is set counterclockwise to the "thermal heating" operating mode.
  • the switch contacts F1, F2, F3 are actuated by cams arranged on the shaft of the operating mode selector switch 1 in such a way that the switch contact F1 and the switch contact F3 open and the switch contact F2 closes.
  • the power supply to the heating elements via the switch contact F1 is thus interrupted.
  • a relay R11 is energized during the predetermined period, which closes the relay switch Sr1, so that the heating current is conducted via this relay switch Sr1.
  • relays R12, R13, R14 which can be influenced by the time / program control device ZSt are used via the assigned relay switches Sr2, Sr3, Sr4 to control the microwave generator with the magnetron Mg.
  • This microwave generator can generally only be operated via the time / program control device ZSt.
  • the contacts e1, e2, e3 serve to secure the door during microwave operation.
  • Fig. 4 shows the time / program control device ZSt in connection with the input elements.
  • the central unit of this time / program control device is a microprocessor ⁇ P (for example KS5-100 from Tristar), the inputs of which K1, K2, K3, K4 both through the switch contacts L3 of the keys 2 (according to FIG. 1) and through switch contacts F2, F3 e1, S6, S7 are connected via the outputs R1 or RO or R3 multiplexed.
  • the relays R11, R12, R13, R14, of which only the relay R11 is shown in the figure, are controlled via the outputs R8 to R10.
  • the relay R11 is - as can be seen in particular from FIG.
  • the relay R14 is energized during the predetermined period in microwave operation and keeps the associated relay switch Sr4 closed.
  • the power cycle of the microwave device takes place via the relays R12 and R13 and the associated relay switches Sr2 and Sr3.
  • the display arrangement (for example 4-LT-13 from Futaba), which is controlled in a known manner by the outputs RO to R6 and 00 to 07 of the microprocessor .mu.P, is arranged to display time and operating data as well as operating states.
  • switches S6 and S7 are assigned to start button 6 and stop button 7, respectively.
  • the necessary device for the power supply is not shown and described, since it is not essential to the invention and can be constructed in a generally known manner.
  • the clock pulse T is generated in a known manner from the operating alternating current.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)

Claims (2)

1. Aménagement dans un four électrique comportant des sources chauffantes à résistances (R1, R2, R3) et des sources chauffantes à micro-ondes (Mg) ainsi qu'un dispositif de commande à minuterie ou à programme (ZSt) alimentant les sources chauffantes en puissance calorifique, avec lequel, au moyen d'un dispositif de commutation (1) permettant de choisit les sources chauffantes, on peut, soit régler l'énergie par micro-ondes par impulsions en ce qui concerne la puissance calorifique et au moyen d'un premier organe d'entrée (2) en ce qui concerne la durée de chauffage, soit l'énergie calorifique au moyen d'un second organe d'entrée (3) en ce qui concerne la durée de chauffage, caractérisé en ce que le dispositif de commutation (1) comporte une position de commutation supplémentaire pour un fonctionnement de chauffage mixte ré- sistances/micro-ondes, position dans laquelle les temps de réglage du fonctionnement par micro-ondes sont automatiquement appliqués à un fonctionnement simultané de chauffage à résistances pré- réglé au moyen d'un sélecteur de température (8).
2. Aménagement selon la revendication 1, caractérisé en ce qu'un sélecteur (1) est associé au dispositif de commande à minuterie ou à programme (ZSt), sélecteur au moyen duquel ledit dispositif de commande à programme peut être réglé au choix sur les modes de fonctionnement à minuterie "micro-ondes", "chauffage à résistance commandé par minuterie" et "chauffage mixte à résistance et à micro-ondes".
EP86110857A 1985-08-06 1986-08-06 Disposition pour commander des fours à micro-ondes et/ou à énergie calorifique Expired - Lifetime EP0213442B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3528228 1985-08-06
DE19853528228 DE3528228A1 (de) 1985-08-06 1985-08-06 Anordnung zum ansteuern von herden mit mikrowellenenergie und/oder waermeenergie

Publications (2)

Publication Number Publication Date
EP0213442A1 EP0213442A1 (fr) 1987-03-11
EP0213442B1 true EP0213442B1 (fr) 1990-11-14

Family

ID=6277856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110857A Expired - Lifetime EP0213442B1 (fr) 1985-08-06 1986-08-06 Disposition pour commander des fours à micro-ondes et/ou à énergie calorifique

Country Status (3)

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EP (1) EP0213442B1 (fr)
JP (1) JPS6235493A (fr)
DE (2) DE3528228A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5729628A (en) * 1980-07-28 1982-02-17 Teijin Ltd Hemp like two layered fused processed yarn and method
DE3717224A1 (de) * 1987-05-22 1988-12-08 Licentia Gmbh Back- und bratofen
JPH0274642A (ja) * 1988-09-06 1990-03-14 Teijin Ltd 複合仮撚加工糸の製織方法
DE3906504A1 (de) * 1989-03-01 1990-09-13 Bosch Siemens Hausgeraete Mikrowellen-haushaltgeraet
DE4008827A1 (de) * 1990-03-20 1991-09-26 Miele & Cie Bedienungs- und anzeigevorrichtung
JP2911245B2 (ja) * 1991-03-15 1999-06-23 株式会社東芝 電子レンジ
FR2701094B1 (fr) * 1993-01-29 1995-03-17 Eaton Controls Sa Commande de four électrique à micro-ondes avec gril incorporé.
GB2281016A (en) * 1993-08-10 1995-02-15 Ea Tech Ltd Microwave-assisted processing of materials
US5548104A (en) * 1994-04-21 1996-08-20 Samsung Electronics Co., Ltd. Control apparatus of microwave oven having a magnetron and seperate heating element
DE9407567U1 (de) * 1994-05-06 1994-07-07 Gebr. Seppelfricke GmbH, 45881 Gelsenkirchen Vorrichtung zur elektronischen Steuerung von Gas- und Elektrokochstellen und/oder -backöfen
EP1062843B1 (fr) 1999-01-13 2008-12-10 General Electric Company Four combine a energie rayonnante et micro-onde
EP1062842B1 (fr) * 1999-01-13 2010-06-30 General Electric Company Four combine avec introduction manuelle d'algorithmes de commande
DE102004053850A1 (de) * 2004-11-04 2006-06-01 Leopold Kostal Gmbh & Co. Kg Verfahren und Vorrichtung zum Temperaturschutz für mindestens einen Antrieb in einem Fahrzeug
EP2061287B1 (fr) 2007-11-15 2015-03-25 Topinox Sarl Procédé destiné au réglage de la synchronisation d'un générateur à micro-ondes pulsé d'un appareil de cuisson et appareil de cuisson correspondant
DE102011088483A1 (de) * 2011-12-14 2013-06-20 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät und Verfahren

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0050240A2 (fr) * 1980-10-20 1982-04-28 Bosch-Siemens HausgerÀ¤te GmbH Dispositif de commande pour l'alimentation en énergie de cuisinières électriques

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US3569656A (en) * 1969-07-24 1971-03-09 Bowmar Tic Inc Automatic cooking cycle control system for microwave ovens
US4096369A (en) * 1975-11-20 1978-06-20 Matsushita Electric Industrial Co., Ltd. Microwave oven
CH590431A5 (fr) * 1975-12-19 1977-08-15 Elektromaschinen Ag
JPS6055902B2 (ja) * 1978-01-20 1985-12-07 株式会社東芝 カセットテ−プレコ−ダの操作機構
US4227062A (en) * 1978-05-31 1980-10-07 General Electric Company Optimum time ratio control system for microwave oven including food surface browning capability
US4198553A (en) * 1978-06-01 1980-04-15 General Electric Company Combination oven fully utilizing the capability of a limited power source
JPS55143791A (en) * 1979-04-24 1980-11-10 Tokyo Shibaura Electric Co High frequency heater
JPS6340721Y2 (fr) * 1981-02-16 1988-10-25
GB2127658B (en) * 1982-07-17 1986-01-29 Microwave Ovens Ltd Microwave ovens and methods of cooking food
GB8307123D0 (en) * 1983-03-15 1983-04-20 Microwave Ovens Ltd Microwave ovens
DE3329300A1 (de) * 1983-08-12 1985-02-28 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Anordnung zum ansteuern von heizzeitspannen und heizleistungen fuer herde

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0050240A2 (fr) * 1980-10-20 1982-04-28 Bosch-Siemens HausgerÀ¤te GmbH Dispositif de commande pour l'alimentation en énergie de cuisinières électriques

Non-Patent Citations (1)

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SIEMENS-ELEKTROGERÄTE GMBH, Bestellnumer: 363350 (58 0.5 HE 8023), SIEMENS Gebrauchsanweisung über einen Einbauherd, 52 Seiten *

Also Published As

Publication number Publication date
DE3528228A1 (de) 1987-02-12
DE3675607D1 (de) 1990-12-20
EP0213442A1 (fr) 1987-03-11
JPS6235493A (ja) 1987-02-16

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