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EP1893919A1 - Appareil electromenager comprenant au moins un champ de detection tactile - Google Patents

Appareil electromenager comprenant au moins un champ de detection tactile

Info

Publication number
EP1893919A1
EP1893919A1 EP06708649A EP06708649A EP1893919A1 EP 1893919 A1 EP1893919 A1 EP 1893919A1 EP 06708649 A EP06708649 A EP 06708649A EP 06708649 A EP06708649 A EP 06708649A EP 1893919 A1 EP1893919 A1 EP 1893919A1
Authority
EP
European Patent Office
Prior art keywords
control unit
domestic appliance
sensor field
control signal
appliance device
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
EP06708649A
Other languages
German (de)
English (en)
Other versions
EP1893919B1 (fr
Inventor
Thomas Meindl
Peter Schuhbaeck
Ernst Wurnitsch
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36568522&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1893919(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to SI200631760T priority Critical patent/SI1893919T1/sl
Publication of EP1893919A1 publication Critical patent/EP1893919A1/fr
Application granted granted Critical
Publication of EP1893919B1 publication Critical patent/EP1893919B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
    • 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

Definitions

  • the invention is based on a domestic appliance device with at least one touch-sensitive sensor field according to the preamble of claims 1 and 3.
  • a household appliance device with at least one touch-sensitive sensor array for detecting a touch position on the sensor array is known.
  • the home appliance device comprises a control unit for generating control signals as a function of the detected contact position.
  • the sensor field is subdivided into areas, and each of the areas is uniquely assigned a control signal.
  • Household appliance devices with touch-sensitive sensor fields are also known, by means of which a manipulated variable, specifically a heating power of a cooking plate assigned to the respective sensor field, can be incremented and decremented via plus and minus buttons.
  • the object of the invention is, in particular, to provide a generic domestic appliance device with improved operating convenience, in particular when entering continuously variable sizes.
  • the invention is based on a domestic appliance device with at least one touch-sensitive sensor field for detecting a touch position on the sensor field and with a control unit for generating at least one control signal as a function of the detected contact position.
  • control unit be provided to determine a movement parameter from a chronological sequence of detected contact positions in at least one operating mode and to output the control signal as a function of the movement code.
  • the sensor field can thereby be operated particularly dynamically. In particular, small changes in the control signal from a basic value can be easily generated by the motion-dependent control by an operator. This applies in particular when the control unit configures the control signal independently of an absolute value of the touch position.
  • the touch-sensitive sensor field can be one-dimensional or two-dimensional and, for example, have a resistive, capacitive, inductive, piezoelectric or thermoelectric effect. Particularly low-wear are sensor fields that are free of moving parts.
  • the sensor field is made up of several sections, each forming a key.
  • the contact position is calculated from a ratio of signals from at least two sensors arranged in an edge region of the sensor field.
  • a movement parameter in particular a movement direction, a movement speed and a movement path come into consideration as a movement parameter.
  • the movement parameter can be particularly advantageous regardless of the absolute contact position.
  • the control unit can design the control signal by changing a value of the control signal or completely determine the control signal. "Because of the particularly good cleaning properties, touch-sensitive sensor fields can advantageously be used in kitchen appliances , especially in cooking appliances.
  • control unit generates different control signals in at least two different operating modes as a function of the motion characteristic.
  • control unit generates a first control signal in a first operating mode as a function of the movement parameter and determines a second control signal as a function of the contact position in a second operating mode.
  • control signal determined as a function of the movement parameter form an incrementation signal or a decrement signal for changing a manipulated variable. This allows a well-controlled lierbare change of the manipulated variable can be achieved in small steps, so that an operator can comfortably approach a desired value of the manipulated variable.
  • incrementation increments or decrementing step widths triggered by the incrementing signal or decrementing signal are variable.
  • the manipulated variable can then be roughly adjusted, for example, in a first step and finer in a further step.
  • the increments can be set in orders of magnitude, so that individual digits of the manipulated variable can be set independently.
  • the dynamic gains come through the actuator according to the invention in particular when the control variable is adjustable over a range of at least two powers of ten.
  • the manipulated variable may for example be advantageous in at least one operating mode an adjustable preset time of a timer function.
  • the increment step sizes or decrement step sizes may then be variable, for example, from minutes to hours and vice versa.
  • the domestic appliance functional unit can be designed for example as a heating coil in a cooking appliance or as an electric motor.
  • a push button here is a region to be designated, via which an operator can trigger a control signal directly by touching.
  • a switch region can be arranged, for example, on an edge of the sensor field and serve to select an operating mode or to select a setting mode for the manipulated variable.
  • a further functional integration can be achieved in that the control unit is provided to detect a contact time at least in one area and to trigger a control signal when the contact time exceeds a minimum time.
  • a setting mode can be changed.
  • control unit is provided to trigger a repeat function for repeated incrementing or decrementing when the contact time exceeds the minimum time.
  • the good cleaning properties of the touch-sensitive sensor field can be combined with the good cleaning properties of a glass-ceramic cooktop if the sensor field is integrated in the glass-ceramic cooktop.
  • An optical feedback to the operator can be achieved by at least one display element associated with the sensor field.
  • a comfortable selection of a manipulated variable which can be set via the sensor field can be achieved if the domestic appliance device comprises at least one switching element assigned to the sensor field for selecting an operating mode.
  • FIG. 2a shows one of the sensor fields from FIG. 1 with a display element with a first association between a touch position and a control signal
  • FIG. 2b shows the sensor field from FIG. 2 with a further association between a contact position and a control signal
  • FIG. 3 shows a schematic operating sequence for setting a power of a
  • FIG. 4 shows a schematic operating sequence for setting a preselection time of a timer function of a hotplate
  • FIG. 5 shows an alternative operating sequence for setting a preselection time of a timer function of a hotplate in a jog-and-shuttle mode
  • FIG. 6 shows a further alternative operating procedure for setting a preselection time of a timer function of a hotplate in an alternative jog-and-shuttle mode
  • Fig. 7 shows a further alternative operation sequence for setting a preselection time of a timer function of a cooking place in a one / ten-mode
  • FIG. 8 shows a control panel of an alternative glass-ceramic cooktop.
  • FIG. 1 shows a glass-ceramic cooking field 52 with four heating spirals, each of which forms a household appliance functional unit 38.
  • Each of the home appliance functional units 38 is associated with an elongated, touch-sensitive sensor panel 10 suitable for detecting a touch position 12 of a finger 58 of an operator.
  • the sensor field 10 is connected to a control unit 14 of the glass ceramic hob 52, which is provided in a manner described below to numerically determine the contact position 12 from the measured variables of the sensor field 10 and to generate different control signals 16, 18 depending on the detected touch position 12 ( Figures 3 and 4).
  • the glass-ceramic cooktop 52 is part of a domestic appliance device, which also includes a built-in cooker.
  • a further switching element 84 for switching on an extended hob zone of the home appliance functional unit 38 assigned to the sensor field 10 and a temperature warning light 86 are arranged.
  • the function of one of the four sensor units 10 is explained by way of example.
  • the sensor units 10 of the other domestic appliance functional units 38 function analogously.
  • the sensor field 10 is essentially formed by two sensor plates arranged in end regions of the sensor field 10 on an underside of a glass-ceramic plate of the glass-ceramic cooking field 52. If the operator touches the sensor field 10 in the contact position 12, the capacitances associated with the sensor plates change. The capacitances are detected by the control unit 14. The control unit 14 forms a quotient of the detected capacitances which is an unambiguous function of the touch position 12 and calculates the contact position 12 from the quotient of the capacitances via a reversal function stored as a characteristic in a memory unit 60.
  • the inverse function is a step function with 24 integer values , which are each assigned to one of 24 equal sections of the sensor array 10 ( Figure 2). A signal of the sensor field 10 processed by the control unit 14 therefore has 24 discrete values. An assignment of the sections of the sensor field 10 to the discrete values is shown schematically in a field 88 in FIG. 2a.
  • An adjustment mode for setting a power 36 of the domestic appliance function unit 38 associated with the sensor field 10 and designed as a heating coil and a setting mode for setting a preselection time of a timer will be described below by way of example.
  • the household appliance functional unit 38 In order to set the power 36, the household appliance functional unit 38 must first be activated in an activation step 62 by touching a region 40 of the sensor field 10 marked "0" (FIG. 4 is assigned to the touch position 12 and can be used as a push-button switch After successful activation, a "0" appears in a display element 54 in the form of a 7-segment display, which is arranged above the sensor field 10. Subsequently, in a setting phase 64, the operator can set one of 9 cooking stages in half-numbered steps by touching the sensor field 10. The cooking stage forms a control value 28. The values 5-20 of the touch position 12 are assigned to the cooking levels 1-8.5, while the values 21-24 of the touch position 12 are assigned to the cooking level 9.
  • the association between the values 1 - 24 of the contact position 12 and the cooking stages is shown schematically in a field 90 in FIG. 2 a.
  • the operator can activate the cooking stage by directly touching the sensor field 10 at the corresponding stop touching position 12 or by sliding the finger 58 on the sensor array 10 set. He receives via the display element 54, which is controlled by control signals from the control unit 14, constantly feedback on the currently set cooking level.
  • the control unit 14 generates a control signal 18 for determining a power 36 fed into the home appliance functional unit 38.
  • the sensor array 10 is associated with another touch-sensitive switching element 56 for selecting an operating mode.
  • the switching element 56 like the sensor field 10, is integrated into the glass ceramic hob 52.
  • the control unit 14 switches to a setting mode for determining an adjustable pre-selection time of a timer function 34.
  • the type of timer function 34 depends on a set cooking level. If the cooking level is set to 0, the pre-selection time is a alarm time, after which the control unit 14 generates an acoustic signal. If the cooking level is not equal to 0, then the set pre-selection time is a time after which a hotplate timer automatically deactivates the home appliance function unit 38 or resets the cooking level to 0.
  • the control unit 14 After actuating the switching element 56, the control unit 14 displays the preselection time "0 min” (FIG. 4) on the display element 54 in an initialization step 66.
  • the letters "min” are stored as a mask next to the 7-segment display of the display element 54.
  • the control unit 14 divides the 24 values of the touch position 12 into 11 groups, which each form a key and are assigned to a contiguous area of the sensor field 10. A region 42 forms the key "0" and two of the values 5 - 24 of the touch position 12 are assigned to one of the keys "1" - "10.” The assignment of the values to the keys is shown in a field 98 in FIG.
  • the operator selects a time suggestion value in a pre-selection step 68 by touching the "1" or “2" keys for 10 minutes. , by touching the keys “3” or “4" the time default value 20 min., by touching the keys “5" or “6” the time default value 30 min., by touching the keys “7” or “8” the time suggested value is 40 minutes and by touching the keys “9” or “10” the time suggestion value is 50 minutes.
  • the control unit 14 constantly polls the touch position 12 from the sensor array 10.
  • the control unit 14 determines a movement parameter 20 which describes a direction of movement and which is shown symbolically in FIG. 1 as an arrow. If the value of the touch position 12 has decreased by one, then the movement parameter 20 receives the value -1, while with an increase in the value of the contact position 12, the movement parameter 20 receives the value +1.
  • the movement parameter 20 has a different value spectrum and / or in which an amount of the movement parameter 20 is designed to be dependent on a rate of change of the contact position 12.
  • the movement characteristic 20 determined in this way is used by the control unit 14 to generate control signals 16, 18, by means of which the control unit 14 controls an operation of the glass-ceramic cooktop 52.
  • the manner in which the movement parameter 20 enters the control signal 16, 18 depends on the selected operating mode.
  • the control unit 14 determines in a setting step 70 in the manner described above, the motion characteristic 20 and determines therefrom a control signal 16, which is an incrementing signal 22 or a decrementing signal 24 for changing the pre-selection time controlled variable 26, depending on the value of the movement characteristic 20.
  • the increment signal 22 increases the manipulated variable 26 by 1 min. and the decrementing signal 24 reduces the manipulated variable 26 by 1 min.
  • the control unit 14 therefore designs the control signal 16 as a function of the movement characteristic 20.
  • “defined area 42" of sensor field 10 can be used as a pushbutton switch (FIG. 2b).
  • the control unit 14 acquires a contact time 44 for the areas 42 ', 42 "and triggers a repeat function 50 by means of a control signal 46 when the contact time 44 exceeds a minimum time 48 stored in the memory unit 60.
  • the repeat function 50 automatically generates incrementing signals 22 and decrementing signals 24 as long as the contact of the area 42 'or the area 42 " stops. An incrementing or decrementing rate increases with the contact time 44.
  • a range 42 of the sensor field 10 defined by the values 1 to 4 of the touch position 12 forms the key "0". By touching the range 42, the operator can immediately set the manipulated variable 26 to 0 at any time.
  • a remaining running time of a running timer can be increased or decreased by sliding over the sensor field 10 and generating the movement characteristic 20 and / or by touching the areas 42 ', 42 ".
  • FIGS. 5-7 show alternative embodiments of the setting mode for setting the pre-selection time of the timer function 34.
  • the description is essentially limited to differences from the embodiment described above. With regard to consistent features, reference may be made to the description of the embodiment shown in FIG.
  • FIG. 5 shows an alternative operating sequence for setting a preselection time of a timer function 34 of a cooking position in a first jog-and-shuttle mode.
  • the setting mode is activated by operating the switching element 56 in an initialization step 92, and a suggestion time is selected in a pre-selection step 94 by touching the sensor field 10.
  • the control unit 14 detects the touch position 12 and determines an incrementation rate depending on the detected touch position 12.
  • the rate is 1/125 ms for the keys "1" and "10", for the keys “2" and “9” 1 / 200ms, for keys “3" and “8” 1 / 333ms and for keys "4" and "7” 1 / 500ms.
  • the operator can set the manipulated variable 26 to 0 min. At any time.
  • FIG. 6 shows an alternative operating sequence for setting a preselection time of a timer function 34 of a cooking position in another jog-and-shuttle mode.
  • the setting mode is activated by operating the switching element 56 in an initialization step 72, and a suggestion time is selected in a pre-selection step 74 by touching the sensor field 10.
  • the control unit 14 detects the touch position 12 and determines an incrementation step size or decrementing step size of an incrementing signal 22 or of a decrementing step.
  • the step size is for the keys "1" and "10” +5 min., for the keys “2" and “9” + 3 min., for the keys “3" and “ 8 “+ 2 min. and for the keys "4" and "7” + 1 min ..
  • An incrementation or decrementation rate is 2 Hz.
  • the control unit 14 displays the pre-selection time "0 min” or a remaining time of the timer function 34 via the display element 54 after touching the switching element 56 in an initialization step 78.
  • the tens digit of the pre-selection time can be changed by pressing the keys "1" - "10" to the digits "0" - “9.”
  • the tens digit can be set by touching it directly or by sliding on the sensor panel 10
  • the operator can analogously determine the one-digit of the preselection time in a second selection step 82.
  • control unit 14 detects one hundred discrete values of the touch position 12, each having a pre-selection time between 0 min and 99 min. assigned.
  • the operator can adjust the preselection time by directly touching the sensor field 10 or by sliding the finger 58 on the sensor field 10 and generating a corresponding movement characteristic.
  • the operator may activate a boost by touching the sensor pad 10 for more than 2 seconds.
  • a further increase in the manipulated variable 26 or the cooking stage does not interrupt the boil butt.
  • a reduction of the manipulated variable 26 during the Ankoch tenues interrupts this.
  • the operator may activate the boil-up by first selecting "9" and then the actual desired value when adjusting the cooking levels A subsequent increase in the cooking level does not deactivate the boiled-down heat, reducing the cooking level deactivates the boiled-down heat ,
  • FIG. 8 shows a control panel of an alternative glass-ceramic cooktop panel with five heating spirals, not explicitly shown here, which comprises only a single sensor panel 100, which is suitable for detecting a contact position. Also in the description of the alternative glass-ceramic cooktop is essentially based on differences from the one shown in FIG. presented embodiment, while reference is made to the description of FIG 1 with regard to the same features.
  • the operator To set manipulated variables assigned to the different cooking zones or heating spirals, the operator must first actuate one of five selection keys 102 - 110 assigned to one of the cooking stoves.
  • the actuation of one of the selection keys 102-110 is analogous to the activation step 62 in FIG. 3.
  • the sensor field 100 By actuating the selection keys 102-110, the sensor field 100 is assigned to the corresponding heating coil.
  • the cooking stage set at the different cooking zones is set via display elements 112-120 and a pre-selection time of a timer function can be displayed on display elements 122,124.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electronic Switches (AREA)
  • Electric Stoves And Ranges (AREA)
  • Push-Button Switches (AREA)

Abstract

La présente invention concerne un appareil électroménager comprenant au moins un champ de détection tactile (10, 100) qui sert à détecter une position d'effleurement (12) sur le champ de détection (10, 100), et une unité de commande (14) qui sert à produire au moins un signal de commande (16, 18) en fonction de la position d'effleurement détectée (12). Afin de conférer à un tel appareil électroménager, un confort de fonctionnement amélioré, en particulier lors de la saisie de grandeurs qui varient continuellement, sur une plage de valeurs importante, l'unité de commande (14) est conçue pour déterminer un paramètre de mouvement (20) dans au moins un mode de fonctionnement, à partir d'une suite temporelle de positions d'effleurement (12) détectées, et pour constituer le signal de commande (16, 18) en fonction du paramètre de mouvement (20). Le champ de détection peut par exemple servir à la saisie de la puissance de chauffage de l'appareil électroménager, ou du temps (fonction minuterie).
EP06708649.6A 2005-06-13 2006-03-06 Appareil électroménager comprenant au moins un champ de détection tactile Revoked EP1893919B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200631760T SI1893919T1 (sl) 2005-06-13 2006-03-06 Priprava gospodinjskega aparata z vsaj enim senzorskim poljem, ki je občutljivo za dotik

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510027199 DE102005027199A1 (de) 2005-06-13 2005-06-13 Hausgerätevorrichtung mit wenigstens einem berührungsempfindlichen Sensorfeld
PCT/EP2006/060477 WO2006133976A1 (fr) 2005-06-13 2006-03-06 Appareil electromenager comprenant au moins un champ de detection tactile

Publications (2)

Publication Number Publication Date
EP1893919A1 true EP1893919A1 (fr) 2008-03-05
EP1893919B1 EP1893919B1 (fr) 2014-01-08

Family

ID=36568522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06708649.6A Revoked EP1893919B1 (fr) 2005-06-13 2006-03-06 Appareil électroménager comprenant au moins un champ de détection tactile

Country Status (4)

Country Link
EP (1) EP1893919B1 (fr)
DE (1) DE102005027199A1 (fr)
SI (1) SI1893919T1 (fr)
WO (1) WO2006133976A1 (fr)

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Also Published As

Publication number Publication date
WO2006133976A1 (fr) 2006-12-21
SI1893919T1 (sl) 2014-04-30
EP1893919B1 (fr) 2014-01-08
DE102005027199A1 (de) 2006-12-14

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