EP2281419B1 - Display device and cooking device having the same - Google Patents

Abstract

The present invention relates to a display device (1) for a cooking device, wherein at least one parameter (71, 81) is preset for at least one prescribed program and/or for at least one prescribed operating mode, wherein the preset parameter (71, 81) can be changed, and after each change at least the changed parameter (70, 80) is displayed on the display device (1). The preset parameter (71, 81) is also displayed simultaneously with the changed parameter (70, 80) at least part of the time, wherein the preset and/or changed parameters (70, 71, 80, 81) can be changed more than once, and at least the last changed parameter is displayed simultaneously with the preset parameter, and the display device (1) can be operationally connect to both at least one operating device (1, 12, 13) for changing the preset and/or changed parameter (70, 71, 80, 81) and to a control or regulating device for self-learning changing of the preset and/or changed parameter as a function of a user classification, a program classification, a satisfaction of a user of the cooking device and/or a monitoring person, an operating language of the operating device and/or the cooking device, an installation location of the cooking device, and/or signals from at least one sensor device.

Description

The present invention relates to a display device for a cooking appliance, wherein at least one parameter for at least one predetermined program, which includes a cooking program, cleaning program and / or operating mode program is preset, the default parameter is variable, and after each change at least the changed parameters the display device is displayed, wherein the preset and / or the changed parameter is repeatedly changed or are by the display device is in operative connection with at least one operating device for changing the preset and / or changed parameter. In addition, the invention relates to a cooking appliance and a method.

Such a display device is, for example, from the DE 10 2004 013 553 B4 known. Thereafter, at least one parameter, for example the core temperature and the browning in a cooking program, country-specific for each site and / or specific for each selectable operating language of the cooking device preset, and each preset parameter can at least one change function element of a control element of the cooking appliance, such a touch screen, a rotary knob or the like can be changed. The change can then be confirmed and / or stored for at least a confirmation function element of the operating element of the cooking appliance during a certain period of time or automatically accepted and / or stored by the cooking appliance after a certain period of time has elapsed. After a change of a preset parameter, the changed parameter is displayed on the display device.

The from the DE 10 2004 013 553 B1 known display device can be used, for example, in a marketed by the applicant under the trade name SelfCooking Center <(R)> cooking appliance.

Alternative display devices for cooking appliances are also from the DE 10 2004 041 527 B3 and DE 196 06 115 A1 known.

A program control display system for a cooking appliance is from the US 6,255,630 B1 known, via the control system set-up parameters are changeable, so that the display language, the temperature scale, the display lighting, the display scrolling speed and a signal tone for signaling the end of an operation are changeable.

The DE 10 2005 045 874 A1 relates to a method for operating an electrical appliance, wherein in a provided for an operating device operating method, a learning mode of operation may be provided to indicate to an operator erroneous operation on controls. At the same time a possible or as meaningful operation of the controls can be displayed.

The EP 0 933 596 A1 relates to a cooking appliance in which cooking by means of a control unit is remotely controlled, wherein the control unit receives information about an object to be heated.

The US 2006/0260601 A1 discloses a method of calculating grill sequences and parameters for particular items of food to be cooked on a grill, wherein in calculating a user's grill planning assumptions that can be input to an input device as well as default parameters such as a grill time, a cooking degree factor, a thickness factor, a meat cut factor, and a cooling factor are taken into account in order to be able to display to the user a calculated grill time at the end on a display device.

With the not pre-published DE 10 2008 014 007.4 or DE 10 2008 013 995.5 a self-learning cooking appliance is described. Such a cooking appliance may in particular automatically change at least one setting of the cooking appliance depending on a user class arrangement, a (work) program class setting and / or a satisfaction of a user and / or an operator of a user. A user class arrangement can be determined from an adjustment of the cooking appliance by the user, a change in a setting of the cooking appliance by the user and / or a satisfaction of the user and / or its monitoring person. A setting of the cooking appliance can in turn be determined based on the setting of at least one functional unit of the cooking appliance and / or on the selection of a work program, wherein as a functional unit, a heater, a cooling device, a device for supplying moisture into a cooking chamber, means for discharging Moisture from the cooking chamber, a device for supplying a gas into the cooking chamber, a device for humidifying, a device for removing a gas from the oven, a data transmission device, a display device, an output device, an input device, a cleaning device, a blower device, a circulation device , a sensing device, an evaluation device, a memory device, a lighting device is selectable, and / or a work program, a cooking program, a cleaning program, a diagnostic program, a help program and / or Betr includes software program. For program class classification, at least one time information, in particular determined by a timer, the operation of at least one functional unit of the cooking appliance, the setting of an operating mode of the cooking appliance, a climate in the cooking chamber of the cooking appliance, a resource consumption of the cooking appliance, preferably as a function of time, and / or at least a call frequency of a program, in particular determined via an average, meridian or other statistical method, be taken into account. A satisfaction can either be queried or determined by means of an attitude or change in the attitude of the user and / or his supervisor.

If it comes to changing a factory-set parameter, for example, it may be disadvantageous that only the changed parameter is displayed, namely, if the change was faulty, was intended for a single work program and / or only by a single user of a variety of Users was desired.

The object of the present invention is therefore to develop the generic display device such that the disadvantages of the prior art are overcome. In particular, no information is to be lost by a change of a preset parameter for a user.

This object is achieved in that the display device is additionally in operative connection with a control or regulating device for self-learning changing of the preset and / or changed parameter depending on a user class arrangement, a program class classification, a satisfaction of a user of the cooking device and / or a monitoring person and / or signals of at least one sensor device, that each change is made manually via the operating device or automatically self-learning via the control or regulating device and at least the last changed parameter is displayed at the same time as the preset parameter.

It may be provided that the changed parameter is optically lifted from the preset parameter, such as by a color highlighting, a Umkastelung, a flashing, a magnification, at least one underline or the like.

It is also proposed that the display of the changed parameter takes place after a confirmation or after a certain time has elapsed since the last change or after at least two selections and / or after a plausibility check and / or when the changed parameter is within a predetermined range.

With the invention it can also be provided that the operating device comprises at least one touch screen, which is in particular covered by the display device, a keyboard and / or at least one operating element, in particular in the form of a push button and / or rotary knob, and / or the operating device of the cooking appliance or other device, such as in the form of a computer, a remote control, a control station or the like, is included, and / or the control or regulating device is included by the cooking appliance.

In addition, it is proposed that the display device with a storage device, in particular the cooking appliance, with another device, such as in the form of a computer, a remote control, a control station or the like, with a kitchen network and / or can be brought into operative connection with the Internet for downloading the preset parameter and / or for the plausibility check of the changed parameter.

It can also be provided that the preset parameter of the manufacturer or user of the cooking appliance and / or country specific for the respective installation of the cooking appliance and / or specific for a selected operating language of the cooking appliance and / or specific for a certain time, such as season, weekday, season , Time of day or the like, is predetermined, depending on the predetermined program and / or the predetermined mode of the cooking appliance. Furthermore, it can be provided that the display of the preset parameter can be switched off or reduced, wherein for switching off, the display of the preset parameter of the same is preferably invisible feasible.

According to the invention, it is proposed that the operating mode comprises cooking in hot air, with steam and / or with microwaves.

In addition, the invention also provides a cooking appliance with a control or regulating device, an operating device and a display device according to the invention.

The invention is therefore based on the surprising finding that, when changing a preset parameter, not only the changed parameter but also the preset parameter is to be displayed, irrespective of the number of changes, so that the preset parameter can be used again at any time. Each change can be done manually, ie via an operating device, or automatically, for example self-learning, namely via a control or regulating device. For example, in self-learning, a call frequency of programs can be taken into account.

Figur 1

eine Bedienleiste eines Gargeräts mit einer erfindungsgemäßen Anzeigeeinrichtung für ein erstes Garprogramm, und

Figur 2

eine Darstellung wie Figur 1 für ein zweites Garprogramm.

Further features and advantages of the invention will become apparent from the following description in which two embodiments of the invention are explained with reference to schematic drawings in detail. Showing:

FIG. 1

a control bar of a cooking appliance with a display device according to the invention for a first cooking program, and

FIG. 2

a representation like FIG. 1 for a second cooking program.

As FIG. 1 can be seen, comprises an operating device in the form of a control bar 1 of a cooking appliance, not shown, a display device in the form of a touch screen with a plurality of keys 3 to 11. About the keys 3 to 5, namely a key 3 for manual operation, a key 4th for intelligent cooking processes and a key 5 for programs, a user can select whether and, if so, how he wants to operate the cooking appliance. In the present case, the user has opted for intelligent cooking processes, which is why the key 4 lights up. Furthermore, the touch screen of the display device of FIG. 1 Keys 6 to 8 for food parameters and cooking parameters. A button 6, the thickness as Gargutparameter, via a button 7, the tanning as cooking parameters and a key 8, the core temperature as cooking parameters selectable. Each of these keys 6 to 8 is assigned a setting range 6a to 8a, which in turn includes a setting mark 6b to 8b, respectively. moreover are in the setting range 8a for the core temperature an original default value 81, ie a preset value for the parameter core temperature, and a changed default value 80, ie a modified value for the parameter core temperature, shown. The original default value 81 is a core temperature selected at the factory for a specific cooking process, here "78 °", while the changed default value 80 is the core temperature after a single change or after numerous changes in the mean, for example "72 °". The changed default value 80 is highlighted by a Umkastelung vis-à-vis the original default value 81, which is only underlined, and embodies in multiple changes of the original default value 81, the self-learning character of the cooking appliance. The display device finally also includes a time 10 and a keypad 11.

Overall, the display device is included in the form of a touch screen of the control bar 1. In addition to the display device, the operating element 1 also comprises an operating element in the form of a combination of a push-button 12 and a rotary wheel 13. For example, the control panel 1 can be used for a cooking appliance sold by the applicant under the trade name SelfCooking Center®.

After initial start-up of the cooking appliance with the control bar 1, only the original default value 81 appears in the setting area 8a. This can then be changed by an operator, either actively, for example by moving the adjustment mark 8b when touching the adjustment range 8a or by means of the rotary wheel 13, or passively, for example by using a special accessory or by premature termination of the cooking process. After changing the original default value 81, the changed default value 80, as shown in FIG FIG. 1 shown. It is assumed that the changed default value 80 is within a factory-set range for the selected cooking process and therefore is to be assessed as plausible. Thus, anyone who subsequently operates the cooking appliance can easily return to the original default value 81 if he considers it necessary or change the changed default value 80 again. This advantage still exists even if numerous changes, first of the changed default value 80 and then of the changed default values, follow, since the original default value 81 is always displayed at the same time as the last changed default value 80. As already mentioned, a change can be actively or passively caused by an operator, wherein a passive change, for example, by a user class classification in the sense of DE 10 2008 014 007.4 or a program class classification in the sense of DE 20 2008 013 995.5 can be realized. Particularly advantageous is a passive change depending on a program class classification, which is realized by the calling frequency of a program, for example, a change to an average value can be performed over all changed default values 80 in order then to display the mean value within the framework of a passive change of the changed default value 80.

The control panel 1 of the FIG. 2 differs only in the display of Gargut- and cooking parameters of the FIG. 1 , so that like parts are given the same reference numerals. In case of FIG. 2 are both an original default value 71 for browning in the adjustment range 7a for browning, here "light", ie a preset value for the browning parameter, and a changed default value 70 for browning, here "medium", ie a changed value for the parameter browning, shown. Furthermore, there is a key 9 for a caliber, including adjustment area 9a and setting mark 9b on the display device.

In the case of the display device 1 of FIG. 2 Operators, for example, have most frequently changed the original default value 71 for tanning "light" since the first time the cooking appliance is first started to "medium", without, however, having lost the information about the original default value for a viewer of the display device 1, according to the factory originally Default value 71 "bright" was specified. This is particularly advantageous for the operation of a cooking appliance according to the invention in the hectic everyday life of a canteen kitchen, if a long period has elapsed since the cooking appliance was put into operation and / or a large number of different operators are working with the cooking appliance, so that it can not be assumed that they are just active operator still remembers the original default value, without looking at the display device 1.

LIST OF REFERENCE NUMBERS

1

control bar

3

Button for manual operation

4

Button for intelligent cooking processes

5

Button for programs

6

Button for thickness

6a

Adjustment range for thickness

6b

Adjustment mark for thickness

7

Button for browning

7a

Setting range for browning

7b

Setting mark for tanning

8th

Button for core temperature

8a

Setting range for core temperature

8b

Setting mark for core temperature

9

Button for caliber

9a

Adjustment range for caliber

9b

Setting mark for caliber

10

time specification

11

keypad

12

push-button

13

rotating wheel

70

changed default value of the tanning

71

factory preset default browning

80

changed default value of the core temperature

81

Factory default value of the core temperature

Claims (12)

1. Display device (1) for a cooking appliance, wherein at least one parameter (71, 81) for at least one predetermined program that comprises a cooking program, a cleaning program and/or an operating-mode program is preset, the preset parameter (71,81) can be changed, and at least the changed parameter (70, 80) is displayed on the display device (1) after each change, wherein the preset and/or the changed parameter (70, 71, 80, 81) can be changed several times by the display device (1) being operatively connected to at least an operating device (1, 12, 13) for changing the preset and/or the changed parameter (70, 71, 80, 81), characterized in that the display device (1) is in addition operatively connected to an open-loop or closed-loop control device for the self-learning changing of the preset and/or the changed parameter as a function of a user classification, a program classification, a satisfaction of a user of the cooking appliance and/or a monitoring person and/or signals from at least a sensor device in such a manner that each change is performed manually by means of the operating device (1, 12, 13) or in an automatically self-learning manner by means of the open-loop or closed-loop control device and at least the parameter that was changed last (70, 80) is displayed simultaneously with the preset parameter (71, 81).
2. Display device according to claim 1, characterized in that
   the changed parameter (70, 80) visually stands out from the preset parameter (71, 81) by, e.g., being displayed in a different colour, being displayed within a box, flashing, being enlarged, being underlined at least once, or the like.
3. Display device according to claims 1 and 2, characterized in that the changed parameter (70, 80) is displayed after a confirmation or after a particular period of time has passed since the last change or after being selected at least twice and/or after a plausibility check and/or if the changed parameter is within a predetermined range.
4. Display device according to any one of the preceding claims, characterized in that the operating device comprises at least a touch screen (1), a keypad and/or at least an operating element (12, 13), particularly in the form of a push button and/or a rotary knob, said touch screen (1) particularly being comprised by the display device, and/or that the operating device is comprised by the cooking appliance or another device, such as in the form of a computer, a remote control device, a control station or the like and/or that the open-loop or closed-loop control device is comprised by the cooking appliance.
5. Display device according to any one of the preceding claims, characterized in that the display device (1) is operatively connectable to a storage device, particularly of the cooking appliance, to another device, such as in the form of a computer, a remote control device, a control station or the like, to a kitchen network and/or to the Internet for downloading the preset parameter and/or for the plausibility check of the changed parameter.
6. Display device according to any one of the preceding claims, characterized in that the preset parameter (71, 81) is predetermined by the manufacturer or the user of the cooking appliance and/or country-specifically for the respective place of installation of the cooking appliance and/or specifically for a selected operating language of the cooking appliance and/or specifically for a particular time, such as the time of year, the day of the week, the season, the time of day or the like, as a function of the predetermined program and/or of the predetermined operating mode of the cooking appliance.
7. Display device according to any one of the preceding claims, characterized in that the display of the preset parameter can be switched off or made smaller, wherein the preset parameter can be preferably made invisible for switching-off the display of the preset parameter.
8. Display device according to any one of the preceding claims, characterized in that the operating mode comprises fan-assisted cooking, cooking by means of steam and/or cooking by means of microwaves.
9. Cooking appliance with an open-loop or closed-loop control device, with an operating device and with a display device according to any one of the preceding claims.
10. Method for simultaneously displaying a preset and a changed parameter (70, 71, 80, 81) for at least one predetermined program of a cooking appliance on a display device (1) of the cooking appliance according to any one of claims 1 to 8.
11. Method according to claim 10, characterized in that
    a calling frequency of the programs is taken into consideration when a change is learned in a self-learning manner, wherein preferably a passive change is performed as a function of a program classification that is realized by the calling frequency of a program.
12. Method according to claim 10 or 11, characterized in that
    the preset parameter represents an initial default value (71, 81) at the first startup of the cooking appliance and the changed parameter represents a default value (70, 80) that has been actively or passively changed by an operator, wherein preferably a change that results in a mean value over all changed default values is performed in order to then display the mean value in the course of a passive change of the changed default value.

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