EP3250002A1 - Appareil de cuisson ménager - Google Patents

Appareil de cuisson ménager Download PDF

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Publication number
EP3250002A1
EP3250002A1 EP17172025.3A EP17172025A EP3250002A1 EP 3250002 A1 EP3250002 A1 EP 3250002A1 EP 17172025 A EP17172025 A EP 17172025A EP 3250002 A1 EP3250002 A1 EP 3250002A1
Authority
EP
European Patent Office
Prior art keywords
switch
mode
cooking chamber
series
selector switch
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
EP17172025.3A
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German (de)
English (en)
Other versions
EP3250002B1 (fr
Inventor
Dirk Kesel
Dieter Lego
Martin Nagel
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL17172025T priority Critical patent/PL3250002T3/pl
Publication of EP3250002A1 publication Critical patent/EP3250002A1/fr
Application granted granted Critical
Publication of EP3250002B1 publication Critical patent/EP3250002B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0252—Domestic applications
    • H05B1/0258—For cooking
    • H05B1/0261—For cooking of food
    • H05B1/0263—Ovens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/085—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on baking ovens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/087—Arrangement or mounting of control or safety devices of electric circuits regulating heat
    • 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
    • H05B6/66—Circuits

Definitions

  • the invention relates to a household cooking appliance, comprising a plurality of electrically operable radiator for heating a cooking chamber, a mechanically switching operation selector switch for connecting and disconnecting at least one radiator depending on a set mode, a mechanical thermoregulator for controlling the activated radiator in dependence on a temperature of Garraums, which thermoregulator is electrically connected in series with the radiators, an electronic circuit with a heating circuit relay and at least one further switched on or off by the operating selector consumer.
  • the invention is particularly advantageously applicable to ovens, especially ovens, in particular with Dampfgarfunktion.
  • DE 10 2011 017 638 A1 relates to a method for operating a cooking appliance, wherein the operation of at least one heating unit of the cooking appliance is at least temporarily carried out by a control unit of the cooking appliance, wherein during a running cooking program in a first time interval, the control unit is activated and the operation of the heating unit is performed by the control unit, and in a second time interval, the controller unit is deactivated and a clocked operation of the heating unit is controlled by a timer of the cooking appliance.
  • EP 2 063 180 A2 discloses a heating cycle for a cooking chamber of a cooking appliance, comprising the following steps: activation of at least one heating element for heating the cooking chamber until reaching a predetermined limit temperature; following downshifting a heating power of the at least one radiator to allow the cooking chamber to cool below the predetermined threshold temperature; and subsequently clocked activating at least one heater having a predetermined timing characteristic for a predetermined timing time interval for heating the cooking space until reaching the predetermined limit temperature.
  • EP 1 461 568 B1 discloses a method of controlling the energy intake in an oven that is being filled with food when it is cold and then heating it to its operating temperature at full power during a warm-up period and during a subsequent period in which the operating temperature is maintained is heated by supplying the full power with a certain repetition rate.
  • An electrical circuit used to carry out the method comprises a thermostat connected in series with the heating elements, timer switching means adapted to provide the desired duty cycle and the desired repetition rate, and the action of the thermostat during operation subsequent heating period override.
  • the timer switch means may be an energy control device connected between the thermostat switch and the electrical elements in parallel with a first temperature switch which is normally open and closes at a temperature of about 130 ° C, and in parallel with a second temperature switch, normally is closed and opens at a temperature of about 65 ° C.
  • DE 201 18 291 U1 discloses a stove timer with temperature sensor, the stove timer a clock, a temperature unit for processing the temperature signals of the temperature sensor, a control unit, a display unit for displaying time and temperature values, a switching unit for switching on and off at least one connected consumer and connections for connecting the Temperature sensor, the consumer and a power supply, temperature sensors of different types are connected to the stove timer, wherein the temperature unit of the stove timer is designed such that it can process signals of different types of temperature sensors, further, the different types of temperature sensors have differently coded connector , and due to the Steckerkodtechnik the temperature unit of the stove timer is automatically set to the appropriate type of connected temperature sensor.
  • DE 10 2004 032 074 B3 discloses a stove timer having a plurality of terminals for consumers, a mode switch for switching the plurality of consumers in response to a selected mode and a switching unit for time and temperature-dependent switching of the plurality of consumers.
  • the plurality of terminals for the consumers are divided into at least two groups of terminals, and the switching unit has a time and temperature-dependent switching device in the form of, for example, a relay for each group of consumers.
  • DE 42 28 769 C2 discloses an oven with a temperature sensor for automatic cooking control, the temperature sensor is designed as a heat conducting and garraum disorder is arranged in the field of Grillrohrsammlung stresses, and wherein a controller is attached outside the oven to an oven wall and coupled to the temperature sensor, wherein the heat-conducting element as Thermal conductor formed and at least partially surrounded by a protective tube, and that the heat-conducting rod extends perpendicular to the oven wall standing inside the cooking chamber.
  • EP 1 387 127 A2 discloses a method for timing a Mullsgarellas, in which a user enters into a control time data that define the duration and the daytime classification of at least one cooking process, the controller generates from the input time data control signals that the daily start of cooking, the connection ensure a warming process to the cooking process and the daytime end of the holding process.
  • a corresponding device is disclosed.
  • a household cooking appliance comprising a plurality of electrically operable cooking chamber radiator for heating a cooking chamber, a mechanically switching operation selector switch for connecting or disconnecting at least one cooking chamber radiator depending on a set or selected mode, a mechanical thermoregulator for controlling the switched cooking chamber radiator depending on a temperature of the cooking chamber ("cooking space"), an electronic circuit with a relay (hereinafter referred to as “heating circuit relay” without limitation to the general public) and at least one further switchable by the operating selector switch or disconnectable consumers, the electronic circuit is connected to the operation selector switch to one through the operation selector switch set operating mode, and is adapted to keep the Schunikrelais depending on the set mode closed or operate switching (in particular to clock), the mode selector switch is set to at least one other consumer depending on a set mode zuzugate or off , And the operation selector switch is adapted to switch the Schunikrelais electrically in series with the cooking chamber radiators in at least one first mode and to switch the Schunikrelais
  • the mechanical or electromechanical regulation of a cooking chamber temperature can be extended by the mechanical thermal regulator (for example a capillary tube regulator) by at least one independent consumer.
  • the mechanical thermal regulator for example a capillary tube regulator
  • This can improve the versatility and performance of the household cooking appliance. This can be achieved by particularly low or virtually no additional costs.
  • the heating circuit relay in the second operating mode is assigned a new function or another electrical load. Consequently, a changed control of this relay can be realized.
  • this consumer can be clocked independently of the control of the oven temperature and thereby the special additional function (for example, a steam function, for example steam cooking and / or steam addition, etc.) are made possible.
  • the switching operation can include a targeted switching on and off during operation.
  • the household cooking appliance has at least one cooking chamber.
  • the household cooking appliance has at least one oven functionality, possibly also a microwave functionality and / or a steam functionality.
  • the household cooking appliance may be an oven or have an oven or its functionality.
  • the household cooking appliance can be an independent cooking appliance or a cooking appliance / hob combination or a stove.
  • the operation selector switch may be adapted to open or close by means of a manual operation at least one associated electrical contact in dependence on the selected or actuated position and thus operating mode. In particular, by opening or closing the at least one contact at least one Radiator and / or at least one other consumer to be operated to operate under the set mode.
  • the operating selector switch can switch on or off different radiators, other consumers or combinations for different operating modes.
  • the operation selector switch can also be called a preselection switch.
  • connection and disconnection of an electrical consumer is understood to mean, in particular, that a circuit belonging to the electrical consumer can be closed during operation of the set operating mode (whereby this consumer can be energized) or permanently open (whereby this consumer can not be supplied with current) ). In the switched-off state, therefore, the associated electrical consumer is not operable.
  • the mechanical or “electromechanical” thermoregulator is set up to regulate the cooking space temperature as a function of a setpoint temperature set by a user. This is done without electronic control contributions, but mechanically or mechanically / fluidically.
  • a mechanical thermo controller is very inexpensive and robust. If the (cooking chamber) temperature applied to the thermoregulator is above the target temperature set thereon, the thermoregulator is open and no current flows through the radiators. If the temperature applied to the thermoregulator is below the set target temperature, the thermoregulator is closed and current can flow through the (connected) radiators.
  • the mechanical thermoregulator may be a capillary tube regulator.
  • the fact that the operating selector switch is set up to switch the heating circuit relay electrically in series with the cooking chamber radiators in at least one first operating mode means, in particular, that the heating circuit relay is located in the circuit of the activated cooking chamber radiator. It is a development that the heating circuit relay is kept closed in the set operating mode. Consequently, during operation, the at least one activated cooking chamber radiator is switched on and off only by the thermoregulator in order to regulate the cooking chamber temperature. In a development, the heating circuit relay can be operated clocked by means of the electronic circuit.
  • the fact that the operating selector switch is set up to switch the heating circuit relay electrically in series with at least one further consumer in at least one second operating mode, to disconnect from the cooking chamber radiators and to switch clocked by means of the electronic circuit, comprises in particular that the at least one further consumer independent of the cooking chamber radiators clocked clocked can be energized.
  • the activated cooking chamber radiators can also be switched on and off by means of the thermoregulator.
  • a cooking chamber radiator can be understood in particular an electrically operated radiator whose primary task is to heat the cooking chamber and / or the food.
  • a cooking compartment radiator may e.g. Top heat or grill radiator, a lower heat radiator or a circulating air or ring radiator.
  • a radiator of an evaporator, for example, is not considered a cooking chamber radiator, since its task is primarily in the evaporation of water.
  • the electronic circuit can be a simple electronic circuit with an integrated circuit - e.g. a controller that can control or switch the heating circuit relay.
  • the heating circuit relay is a component of the electronic circuit.
  • the electronic circuit can control and in particular have at least one relay for switching at least one load (in particular radiator and / or secondary consumer), which enables a particularly compact circuit.
  • the electronic circuit is in particular configured to control the heating circuit relay as a function of the detected operating mode. This includes in particular that the heating circuit relay for at least one mode (in particular for an automatic mode) can be selectively switched on and off during operation by means of the electronic circuit or alternatively can be selectively kept on and off.
  • the electronic circuit for clocking the heating circuit relay, the electronic circuit, the heating circuit relay in particular with a predetermined duty cycle and a predetermined period and on.
  • the electronic circuit may include an input device or be coupled to an input device.
  • the input device may have one or more operating elements (eg buttons, rotary selector switches, etc.) and / or one or more display devices (eg, segment display, LCD display, etc.) by means of which they are actuated For example, a user may select a desired period of time (eg, for a delayed start of a cooking cycle, a cooking time, etc.).
  • the input device may alternatively or additionally comprise one or more touch-sensitive display devices or "touch displays". The electronic circuit can recognize which selection and / or input has been made on the input device.
  • the at least one further consumer is an evaporator.
  • the evaporator in the second operating mode - which can then be referred to as steam cooking mode - the evaporator can be operated in cycles, while the conventional cooking chamber radiators are switched on and off via the thermoregulator.
  • the steam generation can be independent of the heating operation, which allows a tuned to the food steam treatment, which is particularly advantageous for a cooking success.
  • the evaporator may be energized in several time-spaced phases, e.g. are tuned to certain Garabismee. Also, an evaporation rate can now be set individually.
  • the at least one further consumer in the first operating mode, is switched off by means of the operating selector switch.
  • the operating selector switch in the first operating mode, the at least one further consumer is switched off by means of the operating selector switch.
  • a particularly simple circuit can be provided.
  • the at least one further consumer in the first operating mode may be connected in series with the closed heating circuit relay, the associated circuit may be opened elsewhere.
  • the operating selector switch has a plurality of individual switches, of which a single switch is arranged electrically in series with the heating circuit relay and of which a further individual switch is arranged electrically parallel, these two individual switches with the cooking chamber radiators and with the at least one further consumers are electrically connected, in which at least a first mode of operation with the Schunikrelais arranged in series switch is closed and the parallel arranged individual switch is open and in the at least one second mode of operation with the Schunikrelais arranged in series single switch is open and the parallel arranged single switch is closed.
  • a particularly simple (distribution) circuit in which in the first mode, the heating circuit relay is connected in series with the cooking chamber radiators and in the second mode, an independent operation of Cooking chamber radiator (if enabled) and the at least one other consumer allows.
  • the at least one further consumer is connected between the heating circuit relay and the individual switch arranged in series therewith. This allows a particularly simple circuit.
  • the at least one further consumer is arranged electrically parallel to the cooking chamber radiators and the mechanical thermoregulator.
  • the advantage is achieved that the at least one further consumer can not be switched on and off by the mechanical thermal regulator.
  • the electronic circuit is a clock or "electronic clock”. This results in the advantage that an already frequently existing electronic circuit can now also be used for the individual operation of at least one further consumer.
  • the electronic clock need not or only very slightly extended or changed. Consequently, a performance improvement and / or versatility of the cooking operation can take place without or with only a very small additional cost or additional expenditure on the watch circuit.
  • the electronic circuit has as a relay the heating circuit relay and a main relay, since these relays are frequently already present at a clock circuit.
  • the main relay is connected in particular in series with the cooking chamber radiators and the at least one other consumer and may also be connected in series with at least some of the auxiliary consumers of the household cooking appliance. Additional consumers may include, for example, cooking appliance lighting (eg an oven lamp), a circulating air motor, an operating indicator lamp and / or a cooling fan motor.
  • the main relay can serve in particular to switch off the household cooking appliance (except for the clock circuit and possibly a cooling fan).
  • the main relay can be used, for example, to allow a time-shifted and / or time-limited cooking operation controlled by the clock circuit.
  • the object is also achieved by a method for operating a household cooking appliance having a plurality of cooking chamber radiators, which are arranged electrically in series with a mechanical thermoregulator, and with at least one further consumer, wherein in the method: a mechanically switching operation selector switch for individual connection or turning off the cooking chamber radiator and the at least one further consumer is actuated to select a mode; the selected mode is detected by means of an electronic circuit having a Schunikrelais; in a first selected mode of operation, the heating circuit relay is switched in series with the cooking chamber radiators by means of the operating selector switch; in a second selected mode of operation, the heating circuit relay is disconnected from the cooking chamber radiators by means of the operating selector switch and is switched in series with the at least one further consumer; and the Schunikrelais is operated clocked at least in the second selected mode by means of the electronic circuit.
  • the method can be designed analogously to the household cooking appliance and has the same advantages.
  • the at least one further consumer is switched off by means of the operation selector switch and the Schunikrelais is kept closed and in the second selected mode at least one cooking chamber radiator is switched by means of the operation selector switch and electrically in series to a mechanical thermoregulator is switched.
  • the object is also achieved by a household cooking appliance, which is designed to carry out the method.
  • Fig.1 shows a first circuit 1 for operating a household appliance in the form of a first oven B1 under several modes.
  • the oven B1 several radiators for heating a cooking chamber (o. Fig.) On, namely here, for example, a first top heat or Grillterrorism endeavor 2, a second Oberhitze- or Grillterrorism endeavor 3, a Unterhitzeterrorism endeavor 4 and a circulating air or ring heater 5.
  • Die Radiators 2 to 5 are electrically connected on the one hand to an outer conductor L and on the other hand to a neutral conductor N.
  • other voltage connections are possible, for example, to a DC voltage source, eg with 230 volts.
  • the radiators 2 to 5 are arranged here for example electrically parallel to each other.
  • an evaporator 6 is electrically connected in parallel as another consumer.
  • the evaporator 6 may include a steam generating radiator.
  • the steam generating radiator may be the only electrical load of the evaporator 6.
  • the steam generating radiator may e.g. heat an evaporator dish embedded in a bottom of the cooking chamber so that water poured into the dish can evaporate directly into the cooking chamber.
  • a heating circuit relay K1.1 and a temperature limiter 7 are connected in series. Further, between the outer conductor L and the consumers 2 to 6 in series: a mechanical rotary switch 8, a main relay K1.2 and a mechanical oven controller in the form of a mechanical thermostat - here e.g. designed as a user-operable capillary tube 9 - connected.
  • the heating circuit relay K1.1 and the main relay K1.2 are components of a watch circuit K1.
  • the clock circuit K1 is constructed as an electronic circuit and, apart from the two relays K1.1 and K1.2, can have at least one integrated circuit (eg a microcontroller, not shown), etc.
  • the clock circuit K1 is used inter alia for the time control of the oven B1 (eg to implement a timer function and the time display) and can have an oscillator or clock generator (not shown).
  • the watch circuit K1 can also have a display device (not shown, eg a 7-segment display).
  • the clock circuit K1 cause a time-delayed and / or time-limited operation by closing or opening the main relay K1.2.
  • the Clock circuit K1 is here directly connected between the outer conductor L and the neutral conductor N and therefore - except when switching off the entire oven 1 to a main switch (o. Fig.) - Always operable.
  • the clock circuit K1 can, when the rotary switch 8 is in its off position, indicate a time.
  • a first individual switch 8.1 is arranged electrically between the outer conductor L and the main relay K1.2.
  • a second individual switch 8.2 is electrically connected between the consumers 2 to 6 and the capillary tube regulator 9. By means of the second individual switch 8.2, depending on the rotational position, a respective individual combination of the consumers 2 to 6 can be electrically connected to the capillary tube regulator 9.
  • This group of switches 8.2-m could e.g. a switch arranged in series with the first top heat or grill element 2 8.2-2, arranged in series with the second top heat or Grillterrorism stresses 3 switch 8.2-3, etc. have.
  • a third individual switch 8.3 is electrically connected between the neutral conductor N and the temperature limiter 7.
  • a fourth individual switch 8.4 is electrically connected between the second individual switch 8.2 and an input of the clock circuit K1.
  • a fifth individual switch 8.5 is connected in series with a circulating air motor 10 of a circulating air blower electrically between the third individual switch 8.3 and the heating relay K1.2, so that the circulating air motor 10 can be operated independently of the consumers 2 to 6.
  • a sixth individual switch 8.6 is connected between the fifth individual switch 8.5 and the capillary tube regulator 9 and connected in parallel with the circulating air motor 10 via the capillary tube regulator 9.
  • An oven lamp 11 is connected directly between the main relay K1.2 and the third individual switch 8.3.
  • a signal lamp 12 is connected directly between the heating circuit relay K1.1 and the capillary tube regulator 9.
  • a seventh single switch 8.7 is electrically connected in series with a cooling fan 13 directly between the outer conductor L and the neutral conductor N.
  • Another temperature limiter 14 is parallel to the seventh individual switch 8.7 and electrically connected in series with the cooling fan 13.
  • the consumers 2 to 6 and 10 to 12 are thus electrically connected in series with the main relay K1.2, so that they are not supplied with electric power when the main relay K1.2 is open and are consequently switched off. Only the watch circuit K1 and the cooling fan 13 are operable even when the main relay K1.2 is open.
  • the rotary selector 8 may be arranged so that all individual switches 8.n are open.
  • the individual switches 8.n for example, by means of a suitable, e.g. connected to a rotary knob, shaft are actuated.
  • each dialing position of the rotary dial switch 8 can be associated with any but fixed combination of the closed states (open / closed) of the individual switches 8.n.
  • a user turns the rotary selector switch 8 from its off or zero position to an operating position that corresponds to an operating mode desired by the user.
  • the operating mode may e.g. a grill mode, a bottom heat and / or top heat mode, or a recirculation mode.
  • the heating circuit relay K1.1 is permanently closed during operation.
  • the rotary selector switch 8 closes the individual switches 8.1 to 8.4.
  • the second individual switch 8.2 is between the grill radiators 2 and / or 3 and the capillary tube 9, closed.
  • the individual switches 8.5 to 8.7 can be opened.
  • By closing the individual switches 8.1 to 8.3 causes the circuit of the grill 2 and / or 3 can be opened and closed by means of the Kapillarrohrreglers 9 to regulate an actual cooking space temperature to a set by the capillary 9 desired cooking space temperature.
  • the closed individual switch 8.4 causes the clock circuit K1 can recognize or receives feedback on that a heating operation has been set to the rotary selector switch 8.
  • the clock circuit K1 can then implement, for example, a delay time until the beginning of the meal treatment process or cooking process and / or a cooking time, in particular by means of corresponding switching on or off of the main relay K1.2.
  • the delay time and the cooking time can previously be determined by a user have been entered, for example via an existing on the clock circuit K1 or connected to the clock input device (o. Fig.). Without entering a delay time and / or a cooking time, the watchdog K1 keeps the main relay K1.2 permanently closed when the individual switch 8.4 is closed. After completion of the cooking or heating operation, the cooling fan 13 can still be operated by closing the seventh individual switch 8.7 in a "follow-up operation".
  • the second individual switch 8.2 can be adjusted so that only the circulating air heater 5 can be operated. In this case, e.g. the fifth individual switch 8.5 to be closed in order to operate the circulating air motor 10 can.
  • the evaporator 6 and at least one of the heating elements 2 to 5 are switched on or operated.
  • the evaporator 6 is energized in accordance with the radiator 2 to 5 switched on, namely, depending on an open position (open / closed) of the capillary tube regulator 9.
  • an input of the clock circuit K1 is connected to an output of the rotary dial 8.
  • the rotary selector 8 is equipped with a coding device (eg in the form of a coding circuit board, eg based on a coding by means of a gray code, o. Fig.) Which assigns each rotational position of the rotary selector 8 a unique output signal or a unique electrical interface configuration .
  • the watch circuit K1 may also indicate the off position of the rotary dial 8 by a corresponding gray code - e.g. "000" - recognize. Consequently, the watch circuit K1 can recognize (for example by means of a suitable evaluation logic or evaluation circuit) in which rotational position the rotary selector switch 8 is located.
  • a rotational position of the rotary selector switch 8 may correspond in particular to a respective operating mode.
  • the clock circuit K1 processes the Gray code (eg by means of a corresponding processing device) and can, for example, now also switch the heating circuit relay K1.1 during operation of an operating mode selected on the rotary selector switch 8.
  • the heating circuit relay K1.1 can be switched clocked by means of the clock circuit K1, so that the matching radiator 2 to 5 and the evaporator 8 are clocked energized.
  • the already available to provide a clock function clock or base clock can be used as a basis for the clock of the heating circuit relay K1.1.
  • Such a clocked operation with clocked heating circuit relay K1.1 can also be referred to as a "special mode".
  • the timing (e.g., defined over a predetermined period, a duty cycle, etc.) then does not depend on a temperature in the oven cavity.
  • the suitable for the selected special mode timing parameters can determine or set the clock circuit K1 based on the transmitted or read from the rotary selector 8 gray codes.
  • the capillary tube regulator 9 can be adjusted by a user to a temperature value (at which the capillary tube regulator 9 opens or interrupts), which serves as an upper threshold value for the temperature value achievable in the pulsed special operating mode.
  • the capillary tube controller 9 may have been set by a user to a temperature value which is above a temperature value typically achievable in the pulsed special mode, for example to a maximum adjustable temperature value.
  • the oven 1 can perform at least one "manual" mode with a mechanical-thermal control via the mechanically adjustable rotary selector 8 and the capillary tube 9 and in at least one other ("special") mode in a simple and very inexpensive way a clocked heating operation carry out.
  • the electronic unit embodied here as a clock circuit K1 can be kept particularly simple since basic functionalities (temperature setting, temperature measurement and control) are already covered by the very cost-effective mechanical control element (eg the capillary tube regulator 9), in particular for conventional operating modes.
  • Fig.2 shows a second circuit 21 of a second oven B2.
  • the circuit 21 differs from the circuit 1 in that the evaporator 6 is no longer connected in series with the capillary tube regulator 9, but in parallel with the radiators 2 to 5 and the capillary tube regulator 9.
  • the rotary selector switch 8 has two further individual switches, namely an eighth single switch 8.8 and a ninth single switch 8.9.
  • the eighth single switch 8.8 exits instead of the heating circuit relay K1.1 Fig.1 and is thus connected between the temperature limiter 7 and the radiator 2 to 5.
  • the heating circuit relay K1.1 is now on the one hand connected between the temperature limiter 7 and the eighth individual switch 8.8 and on the other hand connected to the evaporator 6.
  • the evaporator 6 is connected between the capillary tube regulator 9 and the main relay K1.2.
  • the ninth single switch 8.9 is connected on the one hand between the eighth individual switch 8.8 and the radiator 2 to 5 and on the other hand between the heating circuit relay K1.1 and the evaporator. 6
  • the eighth individual switch 8.8 can then be opened, the heating circuit relay K1.1 closed and the ninth individual switch 8.9 closed. Current can then flow to the radiators 2 to 5, as hitherto, by the heating circuit relay K1.1, which is kept closed during operation.
  • the eighth individual switch 8.8 is closed and the ninth individual switch 8.9 and the heating circuit relay K1.1 open.
  • the fifth individual switch 8.5 may be closed to operate the circulating air motor 10 can.
  • the eighth single switch 8.8 can be opened and the ninth single switch 8.9 closed for a clocked special mode without steam function.
  • the individual switch 8.2 be set so that only the circulating air heater 5 is operable.
  • the fifth individual switch 8.5 is closed in order to operate the circulating air motor 10 can. With the clocked switching of the heating circuit relay K1.1 the circulating air heater 5 is operated clocked.
  • the eighth individual switch 8.8 closed and the ninth individual switch 8.9 be open.
  • "steam addition" of the individual switch 8.2 may be set so that the circulating air heater 5 and the evaporator 6 are operable.
  • the fifth individual switch 8.5 is closed in order to operate the circulating air motor 10 can.
  • the circulating air heater 5 is switched on and off via the capillary tube regulator 9, as is conventionally unblocked, in order to regulate the cooking chamber temperature to a desired value specified by the capillary tube regulator 9.
  • the evaporator 6 is energized by clocked switching of the heating circuit relay K1.1 clocked.
  • the evaporator 6 is operable independently of the Um Kunststoffiere redesign 5 (or any other of the radiator 2 to 4).
  • the heating circuit relay K1.1 need not even be switched clocked, but can also be switched to other, e.g. irregular way to be switched.
  • a number may include exactly the specified number as well as a usual tolerance range, as long as this is not explicitly excluded.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Food Science & Technology (AREA)
  • Electric Stoves And Ranges (AREA)
EP17172025.3A 2016-05-25 2017-05-19 Appareil de cuisson ménager Active EP3250002B1 (fr)

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Publication number Priority date Publication date Assignee Title
EP4317789A1 (fr) * 2022-08-03 2024-02-07 WELBILT Deutschland GmbH Appareil de cuisson

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019202389A1 (de) * 2019-02-21 2020-08-27 BSH Hausgeräte GmbH Gargerät mit Dampfbehandlungsfunktion

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DE4228769C2 (de) 1992-08-28 2000-11-16 Bsh Bosch Siemens Hausgeraete Backofen mit einem Temperaturfühler zur Bratautomatik-Regelung
DE20118291U1 (de) 2001-11-10 2003-03-20 Diehl Ako Stiftung Gmbh & Co Herdschaltuhr mit Temperaturfühler
EP1387127A2 (fr) 2002-08-01 2004-02-04 Electrolux Home Products Corporation N.V. Méthode et dispositif de commande à temps d' un appareil de cuisson de ménage
EP1434010A1 (fr) * 2002-12-19 2004-06-30 Miele & Cie. KG Dispositif de chauffage d'aliments pour maintenir des aliments et des boissons chauds
DE102004032074B3 (de) 2004-07-02 2006-02-09 Diehl Ako Stiftung & Co. Kg Herdschaltuhr
EP1461568B1 (fr) 2001-12-31 2006-05-24 Aktiebolaget Electrolux (publ) Procede permettant de reguler l'absorption de l'energie dans un four
EP2063180A2 (fr) 2007-11-26 2009-05-27 BSH Bosch und Siemens Hausgeräte GmbH Procédé destiné au fonctionnement d'un appareil de cuisson et appareil de cuisson
DE102011017638A1 (de) 2011-04-27 2012-10-31 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betreiben eines Gargeräts sowie Steuer- und Regeleinrichtung für ein Gargerät und Gargerät

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DE3204543A1 (de) * 1982-02-10 1983-08-18 Bosch Siemens Hausgeraete Schaltungsanordnung fuer heizelemente in kochherdmulden
DE10151937A1 (de) * 2001-10-22 2003-04-30 Bsh Bosch Siemens Hausgeraete Gargerät mit einer Schnellaufheizeinheit
DE102006022323A1 (de) * 2006-05-12 2007-11-15 BSH Bosch und Siemens Hausgeräte GmbH Schaltungsanordnung und Verfahren zum Betreiben der Schaltungsanordnung

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DE3545108A1 (de) * 1985-12-19 1987-07-09 Bosch Siemens Hausgeraete Herdsteuerschaltung zum garen von speisen
DE4228769C2 (de) 1992-08-28 2000-11-16 Bsh Bosch Siemens Hausgeraete Backofen mit einem Temperaturfühler zur Bratautomatik-Regelung
DE20118291U1 (de) 2001-11-10 2003-03-20 Diehl Ako Stiftung Gmbh & Co Herdschaltuhr mit Temperaturfühler
EP1461568B1 (fr) 2001-12-31 2006-05-24 Aktiebolaget Electrolux (publ) Procede permettant de reguler l'absorption de l'energie dans un four
EP1387127A2 (fr) 2002-08-01 2004-02-04 Electrolux Home Products Corporation N.V. Méthode et dispositif de commande à temps d' un appareil de cuisson de ménage
EP1434010A1 (fr) * 2002-12-19 2004-06-30 Miele & Cie. KG Dispositif de chauffage d'aliments pour maintenir des aliments et des boissons chauds
DE102004032074B3 (de) 2004-07-02 2006-02-09 Diehl Ako Stiftung & Co. Kg Herdschaltuhr
EP2063180A2 (fr) 2007-11-26 2009-05-27 BSH Bosch und Siemens Hausgeräte GmbH Procédé destiné au fonctionnement d'un appareil de cuisson et appareil de cuisson
DE102011017638A1 (de) 2011-04-27 2012-10-31 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betreiben eines Gargeräts sowie Steuer- und Regeleinrichtung für ein Gargerät und Gargerät
EP2518410A2 (fr) * 2011-04-27 2012-10-31 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fonctionnement d'un appareil de cuisson ainsi que l'installation de réglage et de commande d'un appareil de cuisson et l'appareil de cuisson

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4317789A1 (fr) * 2022-08-03 2024-02-07 WELBILT Deutschland GmbH Appareil de cuisson

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PL3250002T3 (pl) 2020-06-01
EP3250002B1 (fr) 2019-12-18
DE102016209147A1 (de) 2017-11-30

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