EP2065651B2 - Hausgerät mit einer Steuereinheit - Google Patents

Hausgerät mit einer Steuereinheit Download PDF

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Publication number
EP2065651B2
EP2065651B2 EP08105876.0A EP08105876A EP2065651B2 EP 2065651 B2 EP2065651 B2 EP 2065651B2 EP 08105876 A EP08105876 A EP 08105876A EP 2065651 B2 EP2065651 B2 EP 2065651B2
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EP
European Patent Office
Prior art keywords
power
household device
level
unit
assignment
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.)
Active
Application number
EP08105876.0A
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German (de)
English (en)
French (fr)
Other versions
EP2065651B1 (de
EP2065651A2 (de
EP2065651A3 (de
Inventor
David Casanova Lacueva
Carlos Vicente Mairal Serrano
Janina Mehlert
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
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Publication date
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Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to EP11180226.0A priority Critical patent/EP2400224B1/de
Publication of EP2065651A2 publication Critical patent/EP2065651A2/de
Publication of EP2065651A3 publication Critical patent/EP2065651A3/de
Publication of EP2065651B1 publication Critical patent/EP2065651B1/de
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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
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/102—Tops, e.g. hot plates; Rings electrically heated
    • F24C15/105—Constructive details concerning the regulation of the temperature
    • 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
    • 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
    • F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress

Definitions

  • the invention relates to a domestic appliance with a control unit according to claim 1.
  • Household appliances for example hobs, which include one or more power units, such as heating zones or heating elements, are known from the prior art.
  • Such household appliances include a control unit for operating the power unit.
  • the control unit can be designed as a universally programmable computing unit, which can use, for example, a driver module with power electronics components to operate the power units.
  • Household appliances of the generic type also include a user interface for selecting a power level of the power unit from a number of discrete power levels.
  • the control unit is designed in particular by means of suitable software to use at least one power assignment function in order to determine a target power for operating the power unit as a function of the selected power level.
  • Such home appliances are from the EP 1 273 851 A2 and the DE 10 2005 040 346 A1 known.
  • the object of the invention is in particular to equip a generic household appliance with improved ease of use for different types of users.
  • the invention is based on a domestic appliance with a control unit and a user interface for selecting a level from a number of power levels for setting a stepwise adjustable operating parameter, the control unit being designed to use at least one assignment function to set the operating parameter depending on the selected level to determine, wherein the user interface comprises at least one setting means for changing the assignment function.
  • a user who does not attach great importance to a precise setting of the operating parameter and therefore only needs a few power levels can choose an assignment function with a few power levels, while a user who attaches importance to a precise setting and is happy to accept a more complex setting process , can choose a high-resolution mapping function with a variety of power levels.
  • the invention consists in that the resolution of the assignment function can be easily adapted to the needs of the user, in that the setting means is designed to set the number of power levels.
  • the concept of the invention can be used in particular in household appliances that include at least one power unit, the stage then being able to determine a setpoint power of the power unit during operation.
  • a gain in convenience can be achieved through the flexibly adjustable assignment function in that the user interface according to the invention comprises a button for incrementing the level and a button for decrementing the level.
  • the user interface according to the invention comprises a button for incrementing the level and a button for decrementing the level.
  • a large number of high-resolution power levels can be disruptive to users who do not value high resolution.
  • Such increment keys and decrement keys are widespread in particular in household appliances that are designed as cooking appliances, in particular as hobs, and in which the power unit is designed as a heating element.
  • the level is a heating level
  • the target output is a target heating output.
  • the idea of the invention could also be used, for example, for washing machines, vacuum cleaners or the like, in which case the power unit would then be a motor.
  • use of the invention in electrical radiators or air conditioning systems would also be conceivable, which could also be designed as motor vehicle air conditioning systems, for example.
  • the assignment function can be designed flexibly if the domestic appliance is equipped with at least one memory unit for storing at least two assignment functions.
  • the assignment functions can either be saved in the form of different parameters of a parametric basic function or as tables. Any representation and storage of the assignment function that appears sensible to a person skilled in the art is conceivable.
  • the domestic appliance comprises a memory unit for storing at least one list of values which are each assigned to a level and which are used by the control unit as parameters of the assignment function.
  • the values can correspond, for example, to a percentage of the target output in relation to a maximum output of the output unit.
  • Unnecessary complexity can be avoided if the setting means is designed to select one of two or three possible values for the number of power levels.
  • Intuitive operation of the domestic appliance can be ensured for the various assignment functions in particular if the values of the various assignment functions are distributed at least essentially evenly between zero and a maximum target output of the power unit.
  • the setting can be further simplified if the various operating parameters, which can be, for example, heating levels of different heating zones of a hob, can each be controlled via an assignment function, the setting means then being able to be designed in particular to change the assignment functions of all power units at the same time.
  • various operating parameters which can be, for example, heating levels of different heating zones of a hob, can each be controlled via an assignment function, the setting means then being able to be designed in particular to change the assignment functions of all power units at the same time.
  • the user interface comprises a display for showing a selection menu for changing the assignment function.
  • FIG 1 shows a household appliance, namely a hob, with four power units 10a-10d.
  • the power units 10a-10d are heating elements of a heating zone.
  • the heating elements can for example be designed as induction heating elements or as radiant heating elements and are arranged under a cover plate 12 made of glass or glass ceramic.
  • the household appliance further comprises a control unit 14 for operating the power units 10a-10d.
  • the domestic appliance can be operated via a user interface 16 designed as a touch screen for selecting power levels of the power units 10a-10d from a number of power levels.
  • the control unit 14 is designed by means of suitable software to use at least one power assignment function 20 in order to determine a target power for operating the power unit 10a-10d as a function of the selected power level.
  • the user interface 16 comprises at least one setting means 18 for changing the assignment function 20. This enables the operator or user to adapt the assignment function 20 to his or her individual needs.
  • the user interface 16 embodied as a touchscreen comprises a first key 22 for incrementing the power level and a second key 24 for decrementing the power level.
  • the setting means 18 the user can in particular determine a number of possible power levels.
  • the power level corresponds to a heating level and the target output corresponds to a target heating output, which is used as a reference variable for temperature regulation or as a parameter for controlling the heating element.
  • the heating element can be switched on and off periodically by the control unit 14, for example, in order to generate the setpoint heating power on average over time.
  • the control unit 14 comprises a memory unit 26, embodied as a ROM or RAM memory, for storing at least two assignment functions 20.
  • the memory unit 26 comprises, in particular, memory locations for storing a list of 17 values, explicitly specified below in an example, which are each assigned to one of 17 power levels different from power level zero.
  • the values are used by the control unit 14 or by an operating program implemented in the control unit 14 as parameters of the assignment function 20.
  • the values are stored as floating point numbers and correspond to an expressed ratio between the target power and a maximum power or nominal power of the power unit 10a-10d.
  • the control unit 14 operates the power unit 10a-10d with a target heating power which corresponds to the percentage of the maximum power given by the value.
  • the control unit 14 controls the user interface 16 designed as a touchscreen via a corresponding interface and a suitable driver.
  • the operating program that is executed on the control unit 14 represents various nested selection menus, in particular one in Figure 2
  • the basic settings menu there is in particular an entry 28 for changing the assignment function 20, specifically for setting a number of power levels according to the invention.
  • the touchscreen therefore forms, in interaction with the control unit 14 and a driver of the touchscreen as well as with the software of the control unit 14, a setting means 18 operable by the user for setting the number of power levels according to the invention.
  • the operator can choose a small number of 9 power levels.
  • the power level zero which can always be set, is not included in the last-mentioned numerical values. Each choice corresponds to one of three possible operating modes, each with a different assignment function 20.
  • three lists with three assignment functions 20 are stored, which correspond to the three possible operating modes.
  • the assignment functions 20 or the lists can also be combined to form a multi-column list.
  • the values of the assignment function 20 are in each case distributed at least essentially uniformly in a function that increases more than linearly between zero and a maximum setpoint output of the power unit 10a-10d.
  • control unit 14 comprises a time measuring arrangement 30 which is implemented as a timer function and which starts running or is reset to zero when a power unit 10a-10d is switched on or when the power level is switched over.
  • the time measuring arrangement 30 is used to measure an uninterrupted operating time of a power unit 10a-10d of the domestic appliance. If several power units 10a-10d are operated at the same time, several timer functions accordingly run in parallel.
  • control unit 14 is equipped with a means 32, implemented as an emergency shutdown function in the software, for automatically switching off the power unit 10a-10d after a maximum uninterrupted operating time of the power unit 10a-10d has expired.
  • the control unit 14 is therefore designed to determine the maximum uninterrupted operating time as a function of the values in the list, since the list assigns a maximum operating time to the percentage of the maximum power.
  • the maximum operating time is a monotonically decreasing function of the value in the list that describes the percentage of the maximum power.
  • the following list represents an example of a possible association between the values, the power levels and the maximum operating time.
  • the operating modes with a medium and low (minimum) number of power levels are a selection or a part Use power levels that are used in the operating mode with the maximum number of power levels to operate the heating elements.
  • the value that describes the percentage of the maximum heating power of the power elements increases significantly more than linearly with the selected power level.
  • a booster function of the hob is mentioned, in which the heating output can be briefly increased beyond the nominal heating output of the power element. Value (%) Power level (max) Performance level (medium) Power level (min) Max.
  • the assignment function 20 is stored in the form of the above-mentioned percentage shares of the maximum power of the power units 10a-10d, the maximum power of the various power units 10a-10d being different. As a result, the same list can be used for all four power units 10a-10d, the absolute values of the assignment functions 20 only differing in each case by a constant factor which corresponds to the ratio of the maximum powers of the power units 10a-10d.
  • the settings made via the setting means 18 are therefore used to change the assignment functions 20 of all power units 10a-10d at the same time.
  • the assignment functions 20 can be stored as mathematical functions that can be dependent on a parameter stored in the storage unit 26.
  • the settings made on the setting means 18 can be used to select the function or the parameters used for a parametric assignment function 20 can be changed.
  • the various menus on the touchscreen can be displayed in list form or, for example, by cyclically interchangeable entries, whereby only one entry is displayed and the displayed entry can be swapped by pressing the cursor keys.
  • the setting means 18 can be designed as an electromechanical switch.
  • Figure 4 shows a coordinate system with three graphs, each illustrating one of the three possible assignment functions 20a, 20b, 20c using the example of a heating element with a maximum power of 500W.
  • the solid line describes the assignment function 20a with the lowest number of 9 power levels
  • the dashed line describes the assignment function 20b with the average number of 12 power levels
  • the dotted line describes the assignment function 20c with the highest possible number of 17 power levels.
  • the heating capacities H corresponding to the power levels L according to the assignment functions 20a, 20b with the respectively lower number of power levels L form a subset of the heating capacities H according to the assignment function 20c with the highest number of power levels L.
  • Figure 5 illustrates the dependence on the maximum duration of the operation of a heating zone with a target heating output which corresponds to a predetermined percentage A of the maximum heating output H max.
  • the maximum duration is four hours and for high heating outputs one hour.
  • the duration is determined as a function of the proportion A determined in accordance with the selected allocation function and not directly as a function of the power level L set. As a result, the safety shutdown works regardless of the number of power levels selected by the user.
  • Figure 6 illustrates a method implemented in the hob for processing a power level L set via the user interface 16.
  • the control unit 14 receives the power level L from the user interface 16 and reads a parameter P from the main memory or from a permanent memory.
  • the parameter P has three possible values, each of which corresponds to one of the possible settings "maximum”, “medium”, “minimum” for the number of power levels L.
  • Figure 3 correspond.
  • control unit 14 uses the percentage A determined in this way, on the one hand, to determine the heating power H by multiplying the portion A (possibly divided by 100%) with the maximum heating power H max and, on the other hand, to determine the maximum operating time depending on the percentage A to be determined.
  • a timer counts down from the maximum operating time and switches off the heating element when the remaining time has reached zero.
  • the adaptable assignment function can be implemented in other household appliances such as a washing machine or an oven.
  • the power levels can correspond to washing temperatures or a speed of a spin cycle.
  • the power level can be used to set the temperature. It is also conceivable that the desired temperature of a refrigerator can be selected by selecting the power level.
  • coffee machines for example, an amount of water or an amount of coffee can be selected by selecting the power level.
EP08105876.0A 2007-11-28 2008-11-27 Hausgerät mit einer Steuereinheit Active EP2065651B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11180226.0A EP2400224B1 (de) 2007-11-28 2008-11-27 Hausgerät mit einer Steuereinheit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200703302A ES2332970B1 (es) 2007-11-28 2007-11-28 Aparato domestico con al menos una unidad de potencia.

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP11180226.0A Division EP2400224B1 (de) 2007-11-28 2008-11-27 Hausgerät mit einer Steuereinheit
EP11180226.0A Division-Into EP2400224B1 (de) 2007-11-28 2008-11-27 Hausgerät mit einer Steuereinheit
EP11180226.0 Division-Into 2011-09-06

Publications (4)

Publication Number Publication Date
EP2065651A2 EP2065651A2 (de) 2009-06-03
EP2065651A3 EP2065651A3 (de) 2011-03-30
EP2065651B1 EP2065651B1 (de) 2013-01-16
EP2065651B2 true EP2065651B2 (de) 2021-05-12

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EP08105876.0A Active EP2065651B2 (de) 2007-11-28 2008-11-27 Hausgerät mit einer Steuereinheit
EP11180226.0A Active EP2400224B1 (de) 2007-11-28 2008-11-27 Hausgerät mit einer Steuereinheit

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11180226.0A Active EP2400224B1 (de) 2007-11-28 2008-11-27 Hausgerät mit einer Steuereinheit

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EP (2) EP2065651B2 (es)
ES (3) ES2332970B1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2332970B1 (es) 2007-11-28 2011-01-17 Bsh Electrodomesticos España, S.A. Aparato domestico con al menos una unidad de potencia.
DE102010039070A1 (de) * 2010-08-09 2012-02-09 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit einem Kochfeld und Verfahren zum Anzeigen eines Energieverbrauchs
ES2392419B1 (es) * 2010-12-27 2013-10-22 BSH Electrodomésticos España S.A. Dispositivo de aparato doméstico, aparato doméstico con un dispositivo de aparato doméstico, y procedimiento para la puesta en funcionamiento de un dispositivo de aparato doméstico.
EP2665973A2 (de) * 2011-01-20 2013-11-27 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerätevorrichtung
DE102013201070A1 (de) * 2013-01-23 2014-02-06 E.G.O. Elektro-Gerätebau GmbH Verfahren und Vorrichtung zur Steuerung eines Garvorgangs
JP6850960B2 (ja) * 2016-09-21 2021-03-31 パナソニックＩｐマネジメント株式会社 誘導加熱調理器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19713315A1 (de) † 1997-03-29 1998-10-01 Diehl Stiftung & Co Schaltung zur Zuordnung von Leistungssteuersignalen zu Kochstellen
DE102005027199A1 (de) † 2005-06-13 2006-12-14 BSH Bosch und Siemens Hausgeräte GmbH Hausgerätevorrichtung mit wenigstens einem berührungsempfindlichen Sensorfeld
DE102005032088A1 (de) † 2005-07-08 2007-01-18 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät, insbesondere Gargerät mit berührungsempfindlichem Stellstreifen
DE202006019447U1 (de) † 2006-02-06 2007-03-01 Diehl Ako Stiftung & Co. Kg Berührungsempfindlicher Schieberegler
DE102005040346A1 (de) † 2005-08-25 2007-03-01 BSH Bosch und Siemens Hausgeräte GmbH Gargerät mit berührungsempfindlichem Stellstreifen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643773A1 (de) * 1996-10-23 1998-04-30 Tschochner Rolfheinz UV-sensitive Farbstoffe
DE19959224B4 (de) * 1999-12-08 2010-07-01 E.G.O. Elektro-Gerätebau GmbH System bestehend aus einem Elektrokochgerät und einer davon gesonderten Bedieneinheit
DE10133135C5 (de) * 2001-07-07 2012-11-15 Electrolux Professional Ag Stelleinheit für Gargeräte
DE102005043917A1 (de) 2005-09-14 2007-03-22 BSH Bosch und Siemens Hausgeräte GmbH Freie Stufenanordnung zur Temperaturregelung von Pfannen für die Bratsensorik
ES2332970B1 (es) 2007-11-28 2011-01-17 Bsh Electrodomesticos España, S.A. Aparato domestico con al menos una unidad de potencia.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19713315A1 (de) † 1997-03-29 1998-10-01 Diehl Stiftung & Co Schaltung zur Zuordnung von Leistungssteuersignalen zu Kochstellen
DE102005027199A1 (de) † 2005-06-13 2006-12-14 BSH Bosch und Siemens Hausgeräte GmbH Hausgerätevorrichtung mit wenigstens einem berührungsempfindlichen Sensorfeld
DE102005032088A1 (de) † 2005-07-08 2007-01-18 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät, insbesondere Gargerät mit berührungsempfindlichem Stellstreifen
DE102005040346A1 (de) † 2005-08-25 2007-03-01 BSH Bosch und Siemens Hausgeräte GmbH Gargerät mit berührungsempfindlichem Stellstreifen
DE202006019447U1 (de) † 2006-02-06 2007-03-01 Diehl Ako Stiftung & Co. Kg Berührungsempfindlicher Schieberegler

Also Published As

Publication number Publication date
ES2398927T5 (es) 2021-11-24
ES2332970A1 (es) 2010-02-15
ES2550647T3 (es) 2015-11-11
ES2332970B1 (es) 2011-01-17
EP2400224B1 (de) 2015-10-07
EP2065651B1 (de) 2013-01-16
EP2065651A2 (de) 2009-06-03
ES2398927T3 (es) 2013-03-22
EP2400224A2 (de) 2011-12-28
EP2400224A3 (de) 2012-08-15
EP2065651A3 (de) 2011-03-30

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