EP2518410A2 - 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 - Google Patents

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 Download PDF

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Publication number
EP2518410A2
EP2518410A2 EP12165242A EP12165242A EP2518410A2 EP 2518410 A2 EP2518410 A2 EP 2518410A2 EP 12165242 A EP12165242 A EP 12165242A EP 12165242 A EP12165242 A EP 12165242A EP 2518410 A2 EP2518410 A2 EP 2518410A2
Authority
EP
European Patent Office
Prior art keywords
time interval
unit
electronic unit
heating unit
cooking
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
EP12165242A
Other languages
German (de)
English (en)
Other versions
EP2518410B1 (fr
EP2518410A3 (fr
Inventor
Robert Hasslberger
Robert Obermaier
Michael Roupa
Helmut Schlagberger
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL12165242T priority Critical patent/PL2518410T3/pl
Publication of EP2518410A2 publication Critical patent/EP2518410A2/fr
Publication of EP2518410A3 publication Critical patent/EP2518410A3/fr
Application granted granted Critical
Publication of EP2518410B1 publication Critical patent/EP2518410B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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

Definitions

  • the invention relates to a method for operating a cooking appliance, in which the operation of a heating unit of the cooking appliance takes place at least temporarily through a first electronic unit of the cooking appliance. Furthermore, the invention relates to a control and regulating device for a cooking appliance, with two electronic units and a relay, with which the operation of a heating unit of the cooking appliance is feasible. Furthermore, the invention relates to a cooking appliance, in particular an oven.
  • the control device comprises a timer, which is adjustable to a total cooking time and makes a switching operation in the course of this entire cooking time.
  • the timer is designed independently of the determined by the nature of the cooking Bacgarzeit to the effect that a predetermined time before Bacgar taxpayerde optionally causes a shutdown of the heating energy and a switching during the duration of Restgarzeit operating display. This Restgarzeit should be 30 minutes. If a function of the oven is switched on, the control of the cooking treatment is carried out via the timer.
  • a heating unit of the cooking appliance is performed or regulated at least temporarily by a first electronic unit of the cooking appliance.
  • the first electronic unit of the cooking appliance is activated in a first time interval and the operation of the heating unit is controlled via or by the first electronic unit.
  • the first electronic unit is deactivated or brought into an open switching state or bridged and a clocked operation of the heating unit is performed by a first separate second electronic unit of the cooking appliance.
  • the electronic units may be electronic or electrical control units.
  • a regulator unit is provided as the first electronic unit and a timer is provided as the second electronic unit.
  • a timer is provided as the second electronic unit.
  • a component, the timer can be used, which is simple in construction, thereby allowing a cost-reduced design.
  • it is ensured to carry out simple control operations, as provided in the second time interval.
  • an upper temperature threshold value for switching off the heating unit in the second time interval is set lower than in operation with the activated first electronic unit.
  • a lower temperature threshold value for switching on the heating unit in the second time interval is set lower than in operation with the activated first electronic unit.
  • a clocking of the heating unit is thus carried out at a temperature significantly lower level than in comparison with the operation with activated first electronic unit during the second time interval.
  • the upper temperature threshold value in the second time interval is at least 15 ° C., preferably> 20 ° C., lower than the upper temperature threshold value in the first time interval and thus the operation with the first electronic unit. It is preferably provided that also the lower temperature threshold value is set to be at least 50 ° C., preferably at least 20 ° C. smaller than the lower temperature threshold value in the first time interval.
  • the clocking of the heating unit is carried out by means of a signal of the second electronic unit in the second time interval for a period of at least one third of the total duration of the cooking program. Just when the second time interval does not start immediately at the beginning of the cooking program, but after a specific heat-up time, a very long duration of the second time interval compared to the total duration of the cooking program can be performed, whereby in particular a relay can be saved.
  • a relay connected to the first electronic unit for switching on and off the heating unit is permanently bridged.
  • the relay and the controller unit are thus virtually completely bridged and the relatively simple timer can be used to easily control the entire further clocking operation of the heating unit.
  • the operation of the cooking appliance with the second time interval is specified user-defined. It can be provided in particular that the cooking appliance has a specific operating element or a specific position of the operating element, by which the user himself and desired can set such an energy saving program in conjunction with the running cooking program.
  • the operation of the cooking appliance with the second time interval is automatically performed and started.
  • the automatic starting is carried out as a function of detecting a signalless state of a second electronic unit due to a control unit located in the open or bridged switching state.
  • a first reaching a temperature threshold value of the temperature is detected and transferred to the first electronic unit connected relay for switching on and off of the heating unit for the duration of the second time interval in the open switching state or in closed switching state is bridged.
  • the heating unit is turned off and this first maximum value of the temperature detected since the start of the expiring cooking program and then depending on the operation in the energy saving mode and thus performed with the second time interval.
  • the second time interval is terminated before reaching the end of the cooking program, and then the operation of the heating unit is subsequently regulated again by the first electronic unit for a further time interval. It is then then then transferred after the end of the second time interval and before the end of the cooking program, the first electronic unit back into the closed switching state or the bridging completed and thus the control and regulation of the clocked operation of the heating unit on the closed Rlais particular to End of the austerity program carried out.
  • the heating unit is operated clocked via a relay and a first electronic unit and the taking place for clocking on and off the heating unit to be considered upper and lower temperature threshold are higher than the upper and lower Temperature thresholds in the second time interval.
  • temperature differences of at least 15 ° C, preferably at least 20 ° C are preferably provided.
  • the method according to the invention thus makes possible in particular a control and regulating process during a running cooking program, which also includes a power-saving mode. This is achieved by operation over the duration of the second time interval. If, in particular, a user sets an operating element for an energy-saving program with regard to the cooking program to be drained off, the light in the cooking chamber is automatically switched on and the relay is closed.
  • the first electronic unit is then also in a closed switching state and that is until a temperature predetermined by the first electronic unit upper temperature threshold is reached as a temperature value in the oven until a heating phase. Then, the heating unit is turned off, for which purpose the first electronic unit is opened. For a specific time interval after this switching off of the heating unit then the relay is kept in the open switching state and thus also kept the heating unit in the off state. During this Time duration, the temperature in the cooking chamber continues to be monitored and that until a temperature value in the cooking reaches a lower temperature threshold.
  • This lower temperature threshold may be the lower temperature threshold of the first electronic unit, depending on the implementation of the method. However, it can also already be the temperature threshold value, as it is specified in the second time interval, and thus, in particular, it can be a lower temperature threshold value than that of the first electronic unit.
  • the first electronic unit is superimposed with a time-controlled signal of the second electronic unit and with this time-controlled time signal is then the other clocked operation of the heating unit. This is then the operation during the second time interval. In this, the first electronic unit is held in particular when the open switching state.
  • the second electronic unit is a second regulator unit, which, however, is designed with different temperature threshold values to the first regulator unit.
  • a tolerance time interval is predetermined, which is several minutes.
  • this tolerance time interval which begins after starting the energy-saving mode or the energy-saving program and thus with a program with the second time interval and with clocking of the heating unit at lower temperature thresholds, it is monitored whether a user at least once again an operating setting, in particular at least once again calls the energy saving program. This then suggests that there is a faulty operation.
  • To prevent unwanted modes of operation or discontinued incorrect settings is then automatically returned to normal operation, in which the clocking of the heating unit at the higher temperature thresholds with the first electronic unit, and carried out the further operation in normal operation or normal mode.
  • the invention also relates to a control device for a cooking appliance, with a first electronic unit, a second electronic unit and a relay, with which the operation of a heating unit of a cooking appliance is feasible.
  • the Control and regulating device is designed so that during a running cooking program in a first time interval, the first electronic unit of the cooking appliance is activated and the operation of the heating unit, in particular via a relay, by the first electronic unit.
  • the control and regulating device is also designed such that in a second time interval, the first electronic unit is deactivated and a clocked operation of the heating unit is controlled by the second electronic unit of the cooking appliance or is controlled.
  • the deactivated state of the first electronic unit may be designed such that the first electronic unit is in an open switching state. It may also be designed so that the first electronic unit is in the closed switching state and is correspondingly bridged electronically, so that no signals of the first electronic unit reach the heating unit and the control of the heating unit takes place only via the second electronic unit.
  • the invention also relates to a cooking appliance, in particular an oven, which is designed for carrying out a method according to the invention or an advantageous embodiment thereof.
  • the cooking appliance may have a control and regulating device according to the invention.
  • Fig. 1 an oven 1 is shown, which has a cooking chamber 2 which is bounded by a muffle 3. At the front, a feed opening is formed, which can be closed by a door, not shown.
  • the oven 1 also includes cooking zones 4, 5, 6 and 7.
  • an operating device 8 is provided which has a display unit 9 and at least one operating element 10. Both the number and the position of the components of the operating device 8 and the position of the operating elements 10 itself is merely exemplary.
  • the oven 1 also includes positionally also only by way of example and implied a control and regulating device 11.
  • it includes a heating unit 12, which is arranged for example in a hot air box behind a rear wall 13 of a muffle 3.
  • a fan is arranged, through which heated by means of the heating unit 12 heated air through openings in the rear wall 13 in the cooking chamber 2.
  • the oven 1 may also have at least one further heating unit 14, which is arranged on the muffle 3 in the region of a bottom.
  • even more heating units such as For example, be provided on the ceiling of the muffle 3 grill heater.
  • the control and regulating device 11 is provided for operating the heating units 12, 14 and, moreover, can also carry out further control and regulating operations of the oven 1.
  • Fig. 2 merely a schematic diagram of the control and regulating device 11 is shown by way of example.
  • This has a timer 15 as a second electronic unit.
  • a first electronic unit in the form of a regulator unit 16 is provided as an oven regulator.
  • This regulator unit 16 is electrically connected to a relay and is selected via the operating element 10, which is a preselector, for an operating modes of the oven 1.
  • the control and regulating device 11 is also the operation of a light source 18, which is provided for illuminating the cooking chamber 2, guaranteed.
  • the operation of a motor 19 for driving the aforementioned blower with the control and regulating device 11 is also provided.
  • the control and regulating device 11 is designed such that during a running cooking program, which is selectable for example with the control element 10 and / or another control, in a first time interval during the period of the cooking program, the controller unit 16 of the cooking appliance activated and thus in the closed Switching state is operable and the operation of at least one heating unit 12, 14 via the control unit 16 and the relay 17 is feasible.
  • the regulator unit 16 is characterized by two temperature thresholds. In this case, an upper temperature threshold and a lower temperature threshold is specified. If the temperature in the cooking chamber 2 reaches this upper temperature threshold value, a heating unit 12, 14 is switched off by opening the control unit 16. If the temperature in the cooking chamber 2 falls below the lower temperature threshold value of the regulator unit 16, then the regulator unit 16 is closed again and thus the heating unit 12, 14 is switched on again.
  • the control and regulating device 11 is also designed so that it also quasi an energy-saving mode during a running cooking program can perform.
  • this energy saving mode is selected user-defined, for example, by making a corresponding control element 10.
  • the control element 10 can be rotated in a corresponding position or otherwise operated.
  • this energy-saving mode is automatically started and performed by the control and regulating device 11.
  • the regulator unit 16 is then bridged or deactivated in a second time interval following the first time interval in particular during the running cooking program, and in particular the relay 17 is also transferred or bypassed into the open switching state.
  • the implementation of the further operation of at least one heating unit 12, 14 is controlled by the timer 15.
  • the controller unit 16 is thus superimposed with a time-controlled signal of the timer 15.
  • Fig. 3 Concerning. of the procedure is hereinafter referred to the diagram according to Fig. 3 directed. There, the temperature in the cooking chamber 2 is shown depending on the time.
  • a cooking program is started at the time t0, the operation of a heating unit 12, 14 with the controller unit 16 and the relay 17 is controlled and controlled by the control and regulating unit 11 in a first time interval until the time t1.
  • the regulator unit 16 is thereby operated in the closed switching state and in this first time interval, which also represents the heating phase, the heating unit 12, 14 is operated permanently in the switched-on mode.
  • the temperature rises in the cooking chamber 2 and then reaches the upper threshold value of the controller unit 16 at the time t1.
  • the controller unit 16 is then opened, thus switching off the heating unit 12, 14.
  • the heating unit 12, 14 remains off.
  • the second time interval can already begin here.
  • different upper and lower temperature threshold values T3 and T4 are predetermined in comparison to the predetermined upper temperature threshold value T1 and a predetermined lower temperature threshold value T2 of the control unit 16.
  • the upper temperature threshold T3 is smaller than the upper threshold T1.
  • the lower temperature threshold T4 is smaller than the lower temperature threshold T2.
  • the heating unit 12, 14 is not already switched on again when the temperature in the cooking chamber 2 below the temperature threshold T2, but only when the lower lower temperature threshold T4 is exceeded.
  • this time interval which preferably only lasts until time t3 at time t2, then the clocking of a heating unit 12, 14 and thus the alternating switched on and off operation of the heating unit 12, 14 is controlled only via the timer 15.
  • the energy input into the cooking chamber 2 is carried out at a lower temperature level.
  • the controller unit 16 is superimposed with a time-controlled signal of the timer 15.
  • no signal is detected at the mains voltage input and thus at the 230V input of the timer 15 after reaching the temperature threshold T1 at time t1, because the control unit 16 is in the open switching state.
  • the control and regulating device 11 recognizes this and also recognizes the first reaching this upper temperature threshold T1 since the start of the cooking program and then opens the relay 17 for the duration of the second time interval.
  • the operation is terminated in the second time interval before the end of the cooking program. This is the case at time t3.
  • time t3 is in particular until the end of the cooking program in another Time interval then again carried out the operation by means of the control unit 16 and the relay 17 and thus the clocking of the heating unit 12, 14 is not performed via the timer 15, but via the control unit 16 and the relay 17.
  • the upper temperature threshold of the control unit 16 also by a relative to the.
  • the upper temperature threshold value of the control unit 16 Temperature threshold T1 lower upper temperature threshold T5 is specified.
  • this upper temperature threshold T5 is also significantly above the upper temperature threshold T3, as it is specified during operation with the timer 15.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)
  • Control Of Combustion (AREA)
EP12165242.4A 2011-04-27 2012-04-24 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 Active EP2518410B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12165242T PL2518410T3 (pl) 2011-04-27 2012-04-24 Sposób użytkowania urządzenia do gotowania i urządzenie sterowania i regulacji do urządzenia do gotowania i urządzenie do gotowania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011017638A DE102011017638A1 (de) 2011-04-27 2011-04-27 Verfahren zum Betreiben eines Gargeräts sowie Steuer- und Regeleinrichtung für ein Gargerät und Gargerät

Publications (3)

Publication Number Publication Date
EP2518410A2 true EP2518410A2 (fr) 2012-10-31
EP2518410A3 EP2518410A3 (fr) 2017-02-22
EP2518410B1 EP2518410B1 (fr) 2020-03-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12165242.4A Active EP2518410B1 (fr) 2011-04-27 2012-04-24 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

Country Status (3)

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EP (1) EP2518410B1 (fr)
DE (1) DE102011017638A1 (fr)
PL (1) PL2518410T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3249302A1 (fr) * 2016-05-25 2017-11-29 BSH Hausgeräte GmbH Appareil de cuisson ménager
EP3250002A1 (fr) * 2016-05-25 2017-11-29 BSH Hausgeräte GmbH Appareil de cuisson ménager

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016209152A1 (de) 2016-05-25 2017-11-30 BSH Hausgeräte GmbH Haushalts-Gargerät
DE102016212329A1 (de) * 2016-07-06 2018-01-11 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Steuerung eines Backofens und Backofen
DE102016219758B3 (de) 2016-10-11 2018-04-05 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Steuerung eines Backofens

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313957A1 (de) 1982-12-17 1984-06-20 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Steuereinrichtung fuer einen backofen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310235A1 (de) * 1993-03-30 1994-10-06 Bosch Siemens Hausgeraete Gar- Brat- und Backverfahren
DE19533971A1 (de) * 1995-09-13 1997-03-20 Bosch Siemens Hausgeraete Verfahren zur Temperaturregelung für eine sensorgesteuerte Garungseinheit
DE10132304B4 (de) * 2001-07-06 2005-10-27 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betrieb eines Gargeräts
DE10240175A1 (de) * 2002-08-30 2004-04-22 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betrieb eines Gargeräts
DE102007056714A1 (de) * 2007-11-26 2009-05-28 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betrieb eines Gargeräts und Gargerät
DE102009003037A1 (de) * 2009-05-12 2010-11-18 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Durchführen eines Zubereitungsvorgangs für ein Lebensmittel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313957A1 (de) 1982-12-17 1984-06-20 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Steuereinrichtung fuer einen backofen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3249302A1 (fr) * 2016-05-25 2017-11-29 BSH Hausgeräte GmbH Appareil de cuisson ménager
EP3250002A1 (fr) * 2016-05-25 2017-11-29 BSH Hausgeräte GmbH Appareil de cuisson ménager

Also Published As

Publication number Publication date
EP2518410B1 (fr) 2020-03-18
EP2518410A3 (fr) 2017-02-22
DE102011017638A1 (de) 2012-10-31
PL2518410T3 (pl) 2021-01-25

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