EP0364449A1 - Microwave oven with rotary plate. - Google Patents

Microwave oven with rotary plate.

Info

Publication number
EP0364449A1
EP0364449A1 EP88902800A EP88902800A EP0364449A1 EP 0364449 A1 EP0364449 A1 EP 0364449A1 EP 88902800 A EP88902800 A EP 88902800A EP 88902800 A EP88902800 A EP 88902800A EP 0364449 A1 EP0364449 A1 EP 0364449A1
Authority
EP
European Patent Office
Prior art keywords
turntable
microwave oven
cooking space
food
rotary plate
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
EP88902800A
Other languages
German (de)
French (fr)
Other versions
EP0364449B1 (en
Inventor
Wilfried Huttemann
Ernst-Jurgen Breford
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
Original Assignee
Miele und Cie KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Priority to AT88902800T priority Critical patent/ATE85490T1/en
Publication of EP0364449A1 publication Critical patent/EP0364449A1/en
Application granted granted Critical
Publication of EP0364449B1 publication Critical patent/EP0364449B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H05B6/64—Heating using microwaves
    • H05B6/6408—Supports or covers specially adapted for use in microwave heating apparatus
    • H05B6/6411—Supports or covers specially adapted for use in microwave heating apparatus the supports being rotated

Definitions

  • the invention relates to a microwave oven with devices for coupling the microwave energy into the cooking space, with a wave stirrer distributing the microwaves and with a turntable arranged in a recess in the cooking space base, which serves in the cooking mode for receiving food to be rotated,
  • microwave ovens With microwave ovens, it is necessary to ensure that the microwave energy is distributed as evenly as possible in the cooking space. This can be achieved by means of a wave stirrer, also called a wobler, which is rotatably arranged in the upper area of the cooking space behind a paneling in the vicinity of the coupling point or by a turntable provided in the cooking space floor, as a result of which the food is rotated during the operating time.
  • a wave stirrer also called a wobler
  • the devices known in practice generally only have one of the two aids described above for uniform energy distribution.
  • the invention has for its object to provide a microwave oven of the type mentioned in such a way that by using a wave stirrer and a turntable at the same time optimal conditions with regard to uniformity of the energy distribution in the cooking space can be created and can be used in the food holder of different sizes and numbers without the dimension of the turntable area to be limited.
  • the shaft stirrer and the turntable can be optimal
  • the turn-off option for the turntable and its flush integration in the floor of the cooking space means that the entire space in the cooking space can be used. Since the turntable is alternatively, intermittently or can be switched on together with the shaft stirrer via a program switch, several useful operating modes can be selected.
  • the microwave oven (1) has a cooking chamber (2) in which a wave stirrer (3) is arranged in a known manner in the upper area and a turntable (5) is arranged in the bottom (4).
  • the turntable (5) is driven by a drive motor (6) via a belt drive (7).
  • the drive motor (6) of the turntable (5) and the drive of the shaft stirrer (3) can be controlled by a program switch (8).
  • the turntable (5) is arranged in a recess in the base (4) formed by an expression (9). Its top forms a flush transition to the floor area (4). This avoids raised edges or steps in the cooking space, which can be disruptive when inserting food carriers.
  • the operating mode of the microwave oven can be selected using the program switch (8). It is possible to switch on the shaft stirrer (3) or the turntable (5) on its own or together. Furthermore, it could also be advantageous to intermittently hold the turntable (5) intermittently during cooking with the shaft stirrer (3) activated.
  • the turntable (5) is switched off, so that the food or the food support can be inserted or inserted over the entire surface of the cooking space. So that the turntable (5) cannot be switched on, if this has to be prevented by the use of large food supports that span the turntable (5), position sensors can be arranged in the cooking space, preferably in the base (4). These can then block the turntable (5) from being switched on in the control system.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Electric Ovens (AREA)

Abstract

In a microwave oven, the distribution of energy in the cooking area (2) is improved by the provision of a wave paddle (3) and a rotary plate (5). The rotary plate (5) is flush-mounted in the floor (4) of cooking area (2). The drive (6) of the rotary plate (5) is designed to be switchable to allow operation without the use of said drive (6). In this way the entire surface area of the floor of the cooking area (2) can be used, in particular for food covering a large surface area or for food supports which project beyond the rotary plate (5).

Description

Beschreibung description
Mikrowellenherd mit einem DrehtellerMicrowave oven with a turntable
Die Erfindung bezieht sich auf einen Mikrowellenherd mit Einrichtungen zur Einkopplung der Mikrowellenenergie in den Garraum, mit einem die Mikrowellen verteilenden Wellenrührer und mit einem in einer Versenkung des Garraumbodens angeordneten Drehteller, der im Garbetrieb zur Aufnahme von in Drehung zu versetzendes Gargut dient,The invention relates to a microwave oven with devices for coupling the microwave energy into the cooking space, with a wave stirrer distributing the microwaves and with a turntable arranged in a recess in the cooking space base, which serves in the cooking mode for receiving food to be rotated,
Bei den Mikrowellenherden ist es notwendig, für eine möglichst gleichmäßige Verteilung der Mikrowellenenergie im Garraum zu sorgen. Dies kann erreicht werden durch einen Wellenrührer, auch Wobler genannt, der im oberen Bereich des Garraumes hinter einer Verkleidung in der Nähe der E i n k o p p l u n g sstelle drehbar angeordnet ist oder durch'einen im Garraumboden vorgesehenen Drehteller, wodurch das Gargut während der Betriebszeit gedreht wird. Die in der Praxis bekannten Geräte weisen in der Regel nur eines der beiden vorbeschriebenen Hilfsmittel zur gleichmäßigen Energieverteilung auf.With microwave ovens, it is necessary to ensure that the microwave energy is distributed as evenly as possible in the cooking space. This can be achieved by means of a wave stirrer, also called a wobler, which is rotatably arranged in the upper area of the cooking space behind a paneling in the vicinity of the coupling point or by a turntable provided in the cooking space floor, as a result of which the food is rotated during the operating time. The devices known in practice generally only have one of the two aids described above for uniform energy distribution.
Aus der DE-B-26 38 137 ist es demgegenüber bekannt, in einem Gerät gleichzeitig einen Wellenrührer und einen Drehteller vorzusehen. Der Drehteller ist dabei in einer Versenkung des Garraumbodens angeordnet und liegt mit seiner die Gargutträger aufnehmenden Oberfläche tiefer als der Garraumboden des Herdes.In contrast, it is known from DE-B-26 38 137 to simultaneously provide a shaft stirrer and a turntable in one device. The turntable is arranged in a recess in the bottom of the cooking space and, with its surface receiving the food support, is lower than the bottom of the cooking space of the oven.
Die aus dem Stand der Technik bekannten Ausführungsformen weisen den Nachteil auf, daß bei Verwendung eines Drehtellers nur Gargutträger von bestimmter Größe einsetzbar sind. Weiterhin ist es hier oft auch nicht möglich, mehrere k l e i n e r e Gargutträger nebeneinander in den Garraum zu stellen, da die Stellfläche insgesamt durch die Dimension des Drehtellers begrenzt ist.The embodiments known from the prior art have the disadvantage that when using a turntable, only food carriers of a certain size can be used. Furthermore, it is often not possible to have several smaller food carriers next to each other in the cooking space, since the overall space is limited by the size of the turntable.
Der Erfindung liegt die Aufgabe zugrunde, einen Mikrowellenherd der eingangs genannten Art so auszubilden, daß durch die gleichzeitige Verwendung eines Wellenrührers und eines Drehtellers optimale Verhältnisse hinsichtlich Gleichmäßigkeit der Energieverteilung im Garraum geschaffen werden können und bei dem Gargutträger unterschiedlicher Größe und Anzahl einsetzbar sind, ohne durch die Dimension der Drehtellerfläche beschränkt zu sein.The invention has for its object to provide a microwave oven of the type mentioned in such a way that by using a wave stirrer and a turntable at the same time optimal conditions with regard to uniformity of the energy distribution in the cooking space can be created and can be used in the food holder of different sizes and numbers without the dimension of the turntable area to be limited.
Die Lösung dieser Aufgabe wird durch einen Mikrowellenherd mit den Merkmalen des Anspruch 1 erzielt. Weitere Ausgestaltungen der Erfindung ergeben sich aus Anspruch 2 und 3.This object is achieved by a microwave oven with the features of claim 1. Further refinements of the invention result from claims 2 and 3.
Durch die erfindungsgemäße Ausführung erhält man für den alltäglichen Betrieb eines Mikrowellenherdes erheblicheThrough the design according to the invention, considerable results are obtained for the everyday operation of a microwave oven
Vorteile. Durch die gleichzeitige Aktivierung desBenefits. By activating the
Wellenrührers und des Drehtellers kann eine optimaleThe shaft stirrer and the turntable can be optimal
Energieverteilung im Garraum erreicht werden.Energy distribution in the cooking space can be achieved.
Weiterhin ist man in der Größe des zu behandelnden Gargutes oder der Gargutträger nicht limitiert, da man durch die Abschaltmöglichkeit des Drehtellers und seine flächenbündige Integration im Garraumboden die gesamte Stellfläche des Garraumes nutzen kann. Da der Drehteller alternativ, intermittierend öder gemeinsam mit dem Wellenrührer über einen Programmschalter einschaltbar ausgebildet ist, sind mehrere nützliche Betriebsarten wählbar.Furthermore, there is no limit to the size of the food to be treated or the food support, since the turn-off option for the turntable and its flush integration in the floor of the cooking space means that the entire space in the cooking space can be used. Since the turntable is alternatively, intermittently or can be switched on together with the shaft stirrer via a program switch, several useful operating modes can be selected.
Durch die Anordnung von Lagesensoren im Garraum für das Gargut oder die Gargutträger kann man Vorkehrungen treffen, die eine Einschaltung des Drehteller-Antriebs verhindern, wenn dies durch über den Drehtellerrand überstehendes Gargut oder Gargutträger verhindert werden muß.By arranging position sensors in the cooking space for the food to be cooked or the food support, measures can be taken to prevent the turntable drive from being switched on, if this has to be prevented by food or food carriers protruding beyond the edge of the turntable.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung rein schematisch dargestellt und wird nachstehend näher erläutert. Die Zeichnung zeigt in vereinfachter Form im Schnitt einen Mikrowellenherd von der Seite gesehen.An embodiment of the invention is shown purely schematically in the drawing and is explained in more detail below. The drawing shows in simplified form in section a microwave oven seen from the side.
Der Mikrowellenherd (1) besitzt einen Garraum (2) in dem in bekannter Weise im oberen Bereich ein Wellenrührer (3) und im Boden (4) ein Drehteller (5) angeordnet sind. Der Drehteller (5) wird von einem Antriebsmotor (6) über einen Riementrieb (7) angetrieben. Der Antriebsmotor (6) des Drehtellers (5) und der Antrieb des Wellenruhrers (3) sind von einem Programmschalter (8) steuerbar.The microwave oven (1) has a cooking chamber (2) in which a wave stirrer (3) is arranged in a known manner in the upper area and a turntable (5) is arranged in the bottom (4). The turntable (5) is driven by a drive motor (6) via a belt drive (7). The drive motor (6) of the turntable (5) and the drive of the shaft stirrer (3) can be controlled by a program switch (8).
Der Drehteller (5) ist in einer von einer Ausprägung (9) gebildeten Vertiefung des Bodens (4) angeordnet. Dabei bildet seine Oberseite einen flächenbündigen Übergang zum Bodenbereich (4). Dadurch werden hochstehende Kanten oder Stufen im Garraum vermieden, die beim Einschieben von Gargutträgern störend wirken können.The turntable (5) is arranged in a recess in the base (4) formed by an expression (9). Its top forms a flush transition to the floor area (4). This avoids raised edges or steps in the cooking space, which can be disruptive when inserting food carriers.
Je nach den Erfordernissen kann man über den Programmschalter (8) die Betriebsweise des Mikrowellenherdes vorwählen. Dabei ist es möglich, den Wellenrührer (3) oder den Drehteller (5) für sich alleine oder gemeinsam einzuschalten. Weiterhin könnte es auch vorteilhaft sein während des Garbetriebes mit aktiviertem Wellenrührer (3) den Drehteller (5) intermittierend zuzus ehalten.Depending on the requirements, the operating mode of the microwave oven can be selected using the program switch (8). It is possible to switch on the shaft stirrer (3) or the turntable (5) on its own or together. Furthermore, it could also be advantageous to intermittently hold the turntable (5) intermittently during cooking with the shaft stirrer (3) activated.
Will man die gesamte Bodenfläche des Garraumes (2) nutzen, so wird der Drehteller (5) ausgeschaltet, so daß Gargut oder Gargutträger verteilt über die gesamte Fläche des Garraums eingesetzt oder eingeschoben werden können. Damit der Drehteller (5) nicht einschaltbar ist, wenn dies durch die Verwendung großer, den Drehteller (5) übergreifender Gargutträger verhindert werden muß, können im Garraum, vorzugsweise im Boden (4), Lagesensoren angeordnet werden. Diese können dann in der Steuerung die Einschaltung des Drehtellers (5) blockieren. If you want to use the entire bottom surface of the cooking space (2), the turntable (5) is switched off, so that the food or the food support can be inserted or inserted over the entire surface of the cooking space. So that the turntable (5) cannot be switched on, if this has to be prevented by the use of large food supports that span the turntable (5), position sensors can be arranged in the cooking space, preferably in the base (4). These can then block the turntable (5) from being switched on in the control system.

Claims

Patentansprüche Claims
1. Mikrowellenherd mit Einrichtungen zur Einkopplung der Mikrowellenenergie in den Garraum, mit einem die Mikrowellen verteilenden Wellenrührer und einem in einer Versenkung des Garraumbodens angeordneten Drehteller, der im Garbetrieb zur Aufnahme von in Drehung zu versetzendes Gargut dient, dadurch gekennzeichnet, daß der Drehteller (5) flächenbündig in den Boden (4) des Garraumes (2) eingesetzt ist, derart, daß die1. Microwave oven with devices for coupling the microwave energy into the cooking space, with a wave stirrer distributing the microwaves and a turntable arranged in a recess in the bottom of the cooking space, which serves in the cooking mode for receiving food to be rotated, characterized in that the turntable (5 ) is inserted flush in the bottom (4) of the cooking space (2), such that the
Oberseite des Drehtellers mit dem Boden (4) eine ebeneTop of the turntable with the bottom (4) one level
Fläche bildet, und daß der Antrieb (6,7) des Drehtellers (5) während des Betriebes wahlweise zuschaltbar ist.Surface forms, and that the drive (6,7) of the turntable (5) can be optionally switched on during operation.
2. Mikrowellenherd nach Anspruch 1, dadurch gekennzeichnet, daß der Antrieb (6) des Drehtellers (5) gemeinsam mit dem Wellenrührer (3), alternativ oder intermittierend einschaltbar ist.2. Microwave oven according to claim 1, characterized in that the drive (6) of the turntable (5) together with the shaft stirrer (3), alternatively or intermittently, can be switched on.
3. Mikrowellenherd nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß Lagesensoren vorgesehen sind, die bei über den Bereich des Drehtellers hinausragenden Gargutträgern die Einschaltung des Drehtellerantriebs (6) verhindern 3. Microwave oven according to one of claims 1 and 2, characterized in that position sensors are provided which prevent the turning on of the turntable drive (6) when the food carriers protrude beyond the area of the turntable
EP88902800A 1987-03-31 1988-03-30 Microwave oven with rotary plate Expired - Lifetime EP0364449B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88902800T ATE85490T1 (en) 1987-03-31 1988-03-30 MICROWAVE OVEN WITH A TURNTABLE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3710796 1987-03-31
DE19873710796 DE3710796A1 (en) 1987-03-31 1987-03-31 MICROWAVE OVEN WITH A TURNTABLE

Publications (2)

Publication Number Publication Date
EP0364449A1 true EP0364449A1 (en) 1990-04-25
EP0364449B1 EP0364449B1 (en) 1993-02-03

Family

ID=6324532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88902800A Expired - Lifetime EP0364449B1 (en) 1987-03-31 1988-03-30 Microwave oven with rotary plate

Country Status (5)

Country Link
EP (1) EP0364449B1 (en)
AT (1) ATE85490T1 (en)
AU (1) AU604876B2 (en)
DE (2) DE3710796A1 (en)
WO (1) WO1988007805A1 (en)

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DE4002586C2 (en) * 1990-01-30 1994-04-28 Miele & Cie Microwave oven with switchable turntable drive
KR100200901B1 (en) * 1997-07-25 1999-06-15 윤종용 Control circuit of turn table for microwave oven
JP2017528884A (en) 2014-09-17 2017-09-28 ワールプール コーポレイション Direct heating via patch antenna
WO2016144872A1 (en) 2015-03-06 2016-09-15 Whirlpool Corporation Method of calibrating a high power amplifier for a radio frequency power measurement system
JP7027891B2 (en) 2015-06-03 2022-03-02 ワールプール コーポレイション Methods and equipment for electromagnetic cooking
US11483905B2 (en) 2016-01-08 2022-10-25 Whirlpool Corporation Method and apparatus for determining heating strategies
WO2017119910A1 (en) 2016-01-08 2017-07-13 Whirlpool Corporation Multiple cavity microwave oven insulated divider
US10820382B2 (en) 2016-01-28 2020-10-27 Whirlpool Corporation Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff
CN108702817B (en) 2016-02-15 2021-09-10 松下电器产业株式会社 Method and apparatus for transmitting radio frequency electromagnetic energy for cooking foodstuff
US10827569B2 (en) 2017-09-01 2020-11-03 Whirlpool Corporation Crispness and browning in full flat microwave oven
US11039510B2 (en) 2017-09-27 2021-06-15 Whirlpool Corporation Method and device for electromagnetic cooking using asynchronous sensing strategy for resonant modes real-time tracking
US10772165B2 (en) 2018-03-02 2020-09-08 Whirlpool Corporation System and method for zone cooking according to spectromodal theory in an electromagnetic cooking device
US11404758B2 (en) 2018-05-04 2022-08-02 Whirlpool Corporation In line e-probe waveguide transition
US10912160B2 (en) * 2018-07-19 2021-02-02 Whirlpool Corporation Cooking appliance
CN111317370A (en) * 2020-03-01 2020-06-23 高永航 Food baking furnace

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Also Published As

Publication number Publication date
DE3878241D1 (en) 1993-03-18
DE3710796C2 (en) 1993-09-02
WO1988007805A1 (en) 1988-10-06
DE3710796A1 (en) 1988-10-13
ATE85490T1 (en) 1993-02-15
AU1494888A (en) 1988-11-02
AU604876B2 (en) 1991-01-03
EP0364449B1 (en) 1993-02-03

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