DE102008044231A1 - Method for operating a cooking appliance and cooking appliance - Google Patents

Abstract

The invention relates to a method for operating a cooking appliance (1), which has a cooking chamber (3), in which a food support (5) can be introduced. Furthermore, the invention also relates to cooking appliances with such cooking chambers.

Description

The The invention relates to a method for operating a cooking appliance as well as appropriate cooking appliances.

household appliances for the preparation of food, such as ovens, usually have a cooking chamber with several shelves, into the corresponding accessories, such as griddles, baking trays, Grill pans etc. can be inserted. Depending on the type of application are common and also manufacturer-specific information to pay attention to the shelf level, to a flawless Result regarding cooking and / or browning to reach. If wrong shelves are used, it becomes common achieved a worse preparation result of the food.

From the DE 100 63 694 C2 a method for distinguishing the shape of shelves of a baking oven and such an oven is known. The shelf for food can be placed in different heights in the oven and by methods in which radar beams are directed to the tray and reflected by the tray, the altitude can be detected. In addition, depending on the detected reflected signals, a distinction is made between a baking tray and a grid-shaped baking rack.

Furthermore, from the EP 0 271 899 B1 a method is known in which the insertion height of a food support is detectable.

From the DE 10 2004 026 882 A1 is a cooking appliance with a height-adjustable food support known. A change in position of the height of the food support is performed depending on the already reached state of the cooking food. For height adjustment, a spindle device is provided.

Furthermore, from the DE 199 54 470 B4 a device for operating a cooking oven, which is formed with a pyrolysis cleaning function for pyrolytic cleaning of the oven muffle. The device also comprises a signal generator, which generates optical and / or acoustic signals in the presence of at least one monitored extracting device and / or insertion device for a food support and / or a food support at an associated position of the oven muffle detected by the detection device in order to point this out to the operator in that the affected extension device and / or insertion device for a food support and / or the food support is to be taken out of the oven muffle and / or the pyrolysis cleaning function can not be started.

at All known methods and cooking appliances is the operation guaranteed in various ways only limited. Especially with regard to a variety of possible preparation programs and possible insertion levels and / or the use of different Food carriers can be faulty and / or bad Preparation results, so that the user in terms of the operability of the cooking appliance and the preparation result dissatisfied.

It Object of the present invention, methods and cooking appliances to create, with which the operation with regard to operating errors and only suboptimal preparation results can be improved.

These Task is solved by the independent claims solved.

According to a first aspect of the invention, a method for operating a cooking appliance is provided. The cooking appliance has a cooking chamber into which at least one food support can be positioned in at least two different insertion levels. In the method according to the first aspect, a specific and thus preferred insertion level for the food support and / or a specific type of food support is specified for at least one preparation program. This information is stored in particular in the cooking appliance as previously defined information. In a subsequent operation of the cooking appliance, it is then detected in this specifically selected preparation program whether, depending on the selected preparation program, the food support is arranged on the intended insertion level and / or whether the predetermined type of food support is used. Depending on this comparison, the preparation program is changed, in particular automatically changed, if the food support is arranged on a different from the intended, pre-defined shelf level for this preparation program shelf level and / or the food support type deviates from the preferred for this preparation program cooking product carrier type. The inventive method can thus be ensured that even if the wrong rack level and / or a wrong type of food support for the selected preparation program set or used, the cooking program is changed individually and adapted to the incorrectly used shelf level and / or the food support type , In this way, the selected preparation program can be intelligently changed in an intelligent manner so that the preparation can also be carried out on an actually not intended and less suitable rack level and / or with the non-preferred type of food rack and an exercise tion result can be achieved, which essentially corresponds to the, if the predetermined shelf level and the default Gargutträgertyp be used.

Preferably it is envisaged that the modification of the preparation program depending on the actual rack level and / or carried out the specific type of food carrier becomes. It is thus not just a blanket change of Preparation program, but one to the given actual situation adapted change carried out. The achievement of a correspondingly provided Preparation results can thus also guaranteed when the modification of the preparation program the suboptimal actual shelf levels and / or adapted to the specific suboptimal type of food carrier becomes.

Preferably At least one parameter value of the preparation program is changed. In this regard, for example, the preparation time and / or the distribution of heating power to heating elements and / or the type of heating and / or the duration of heating are changed.

in the With regard to the distribution of heating power, the originally intended for this preparation program Portions of the power of the radiators used for this purpose be changed. With regard to the type of heating may be a change heating technology by, for example, if this is in the cooking appliance, instead of a conventional one Heating over a radiator a microwave energy is irradiated. Does the cooking appliance several different Energy sources that can be combined to make this possible the preparation result in a similar manner as in an unchanged Preparation program. For example, then in one Oven be provided that adapted to the actual Used insertion level, which is not the preferred Shelf level for the preparation program is the generation the bottom heat and / or top heat is changed. A Variation in this regard may also be in terms of the duration of how long such a change in the type of heating and / or the heating power and / or the heating time takes place, possible be. It can also be provided that in the cooking appliance another Type of heating or heating technology combination is set and a appropriate preparation is carried out.

Preferably it is provided that the modification of the preparation program, in particular the change of the specific parameter values, is communicated to a user of the cooking appliance. The user is therefore always informed that certain changes in the preparation due to the chosen and not prioritized Shelf level and / or the selected and not prioritized Type of food carrier for this preparation program result.

Especially can be provided that the actual change the preparation program is not carried out until if after the notice and information to the user this the change confirmed and / or a confirmation for a prescribable period of time omits. Starting with the changed Conditions of the preparation program is thus preferably with announced a certain lead time and then performed. Thus, the user has the opportunity to respond to it, by either correcting the shelf level and / or changing the type of food carrier. It can also be provided that a correction of the preparation program is displayed to the user in a specific cooking appliance and this then changed the shelf level and / or the Gargutträgertyp replaced. This is then automatically detected by the cooking appliance and the proposed amendment to the preparation program is withdrawn and not carried out or basically not even started.

Especially is thus provided that, if a wrong insertion level and / or a wrong type of food carrier for the selected cooking program is detected, this is not only communicated to the user, but also preferably proposed which is the preferred shelf level and / or which a preferred type of food carrier is. The user thus knows then also the same, as he the wrong starting conditions fast and change it correctly. Is this done? and then recognized by the cooking appliance, the selected one Preparation program without a change. In particular, the correction of the shelf level and / or the correction of the type of food carrier by the user through the cooking appliance recognized and then communicated to him. Preferably takes place only then the start of the selected preparation program.

If a non-preferred insertion level for the food support and / or a non-preferred type of food carrier for the selected preparation program recognized and notify the user and he does not respond to this message, it may also be provided that the preparation program is still started, but the wrong conditions, namely the wrong shelf level and / or the wrong type of food carrier, communicated to the user, in particular displayed on a display unit. This can be done, for example, to the effect that it is communicated by voice and / or text that the wrong shelf level is selected, that the wrong type of food carrier chosen is that too much bottom heat and / or too little top heat is generated and the like.

Especially It is preferably provided that a type of food support depends is recognized by its shape and / or material. Especially advantageous is the recognition of the type of food carrier based on his Materials, in particular its surface material. By This embodiment can also be recognized, whether preferably proposed and specifiable accessories are used, and in particular, whether original accessories are used. This can be with regard to to achieve a desired preparation result be particularly crucial. Especially by the recognition of the material design of the type of food carrier can then be communicated to the user, whether this type of food carrier for the selected Preparatory program is suitable or not. As for specific Cooking goods and individual preparation programs very specific Gargutträgertypen are advantageous, this is an essential Influence factor on the achievement of a desired preparation result. Especially when the food support made of aluminum or enamelled This can be recognized and the suitability of this material be closed to prepare the specific food and this will be communicated to the user.

Also Here it can then be provided that adapted to this material design the food support type, the preparation program, which selected has been changed automatically, even with these deviant Material properties of the food carrier type an optimal To achieve the preparation result.

is For example, provided that the cooking appliance by default with food carriers, such as baking trays, grill pans, Grill grates and the like, is made of aluminum and the User uses in a specific preparation program subsequently acquired enamelled food support element, this is recognized. In this regard, then, for example due to the different radiation properties of these different ones Materials of the food support, for example, a value of a Heating parameters are changed in this specific preparation program, and / or the duration of the preparation program and / or the duration a heating phase to be changed. These are just exemplary parameter changes, which should indicate the possibilities of change. In principle, this is not to be understood as exhaustive and in any specific preparation program the specified parameter settings are changed.

It may also be provided that, if not preferred Type of food carrier for the selected preparation program was used by the user, this is communicated to the user and is also proposed for which preparation program this shelf level and / or this type of food carrier preferred would be suitable. The user can then respond and if necessary, choose a different preparation program. Also this falls under the general name of the first Aspect of the invention. Under the wording that the cooking program is changed, so is the execution to understand when another preparation program is selected. This can also be done both automatically and user-defined.

Especially is provided that the detection of the rack level and / or the Food product carrier type is carried out by radiation detection. Especially Here, a transceiver unit can be arranged in the cooking appliance be, which at least one sensor, preferably a plurality of sensors includes. These are in particular for the transmission of radar beams educated. In principle, however, can also electromagnetic Radiation emitted in another frequency spectrum to the detection of the shelf level and / or the type of food carrier to be able to determine.

Preferably It is also envisaged that one of a preparation program different functional program, where no preparation of a Garguts done, is recognized, whether superfluous Accessories in the oven is available. As a functional program For example, a pyrolysis function of the cooking appliance called. If such a pyrolysis performed be checked in advance, whether accessories, such as Gargutträger, are in the cooking chamber and whether this pyrolysefähig are. This means it will be checked in this regard, whether the items possibly present in the cooking chamber could be damaged by the pyrolysis process. Will such accessories and / or its unsuitability is recognized for the conditions in the function program this communicated to the user. The function program will only then started when the corresponding items in the oven were removed. On the other hand, objects in the Cooking space, which are suitable for the conditions, as they occur at the end of the function program, this is Function program started automatically.

In particular, it is preferably provided that is provided at a wrong set shelf level in a selected preparation program that automatically corrected by mechanical adjustment this wrong level and is brought into the specific preferred rack level of the food support. In this regard the cooking appliance on a mechanical adjustment, which is controlled by a control unit. In particular, a continuous adjustment of the insertion height is possible.

By the inventive method according to the The first aspect is the risk of an unsatisfactory preparation result when using wrong accessories and / or incorrectly adjusted Shelf levels at least reduced. Beyond that Assistance given to the user and / or automatic Corrections performed.

Preferably is provided in the method that, when the food support on a different from the intended rack level rack level is arranged and / or the Gargutträgertyp of the provided Food product type deviates, this is communicated to the user and the preferred insertion level and / or the preferred be proposed to be provided Gargutträgertyp, and only then the cooking program is changed, if after a predefined waiting time a change of the rack level and / or a change of the type of food carrier of the user is omitted.

Preferably is provided that depends on the selected Preparation program is automatically detected, whether in the oven necessary to carry out the preparation program, removable components are arranged. In particular, it is doing the user the presence of unnecessary components or not suitable components communicated and the preparation program will not start until the components have been removed or if a predeterminable period of time to remove the components after the communication has expired. Unwanted impairments the course of the preparation program can be prevented become. In particular, this can also be an energy-efficient operation of the cooking appliance and an energy-efficient course of the preparation program be guaranteed.

Preferably is provided that depends on a chosen and from a preparation program different function program the cooking appliance is automatically detected, whether in the oven necessary to carry out the preparation program, removable components are arranged. The functional program For example, a pyrolysis for cleaning the cooking appliance be.

Also Here it is preferably provided that the user the presence of unneeded and / or unsuitable components for the Function program is communicated, and then the function program is started when these components have been removed.

The Invention according to the first aspect also relates a cooking appliance, which has a cooking chamber in which a Food support in at least two different insertion levels is positionable, and which comprises at least one preparation program. For this at least one preparation program is a specific and preferred rack level for a food support and / or a specific type of food carrier specified. The Cooking device comprises a detection and control device, by which is detected, depending on the selected Preparation program of the introduced food support on the intended insertion level is arranged and / or whether for this selected preparation program the default food support type is used. The recording and control device is furthermore designed such that the cooking program is changed when the food support arranged on a different from the intended rack level rack level is and / or the type of food carrier actually used from the intended and preferably proposed Gargutträgertyp is different.

advantageous Embodiments of the method according to the invention according to the first aspect are advantageous Embodiments of the cooking appliance according to the Consider first aspect of the invention.

A second aspect of the invention relates to a method for operating a cooking appliance, which has a cooking chamber in which a food support can be positioned in at least two different insertion levels. For a preparation program, a specific and thus preferred insertion level for the food support and / or a type of food carrier specific to the selected preparation program are specified. This information is determined and defined in advance in particular and stored in the cooking appliance. In a subsequent operation of the cooking appliance and a selection of such a specific preparation program is then detected whether depending on the selected cooking program the food support is placed on the appropriate shelf level and / or if the specified for the selected preparation program and thus preferably proposed Gargutträgertyp is used. In the case of a detected deviation of the actually used insertion level from the predetermined insertion level and / or a deviation of the type of food carrier used from the predetermined type of food carrier, the actual, currently used insertion level is changed. In this second aspect of the invention is thus without change of the selected preparation program corrects an adaptation to the incorrectly selected initial conditions such that the non-preferred insertion level is changed and brought into the specifically preferred and predetermined insertion level for the preparation program. The food support is thus changed in position and brought to the correct rack level.

Especially is provided that the change of the shelf level takes place automatically in the preferred provided insertion level. In particular, the cooking appliance has an adjusting device for this, which is controlled by a control device on.

Preferably the shelf level is changed so that the selected Preparation program unchanged can be. The preparation result is therefore essentially the same.

Preferably It is provided that the change of the rack level only then performed when a user in advance about the wrong setting conditions for the selected one Preparation program was informed. In particular, this change the shelf level is only performed when after the Notice to the user a predetermined waiting time has elapsed and / or the proposed modification of the shelf level is confirmed by the user.

versions the inventive method according to the first aspect are as advantageous embodiments of the invention View method according to the second aspect.

Of the second aspect of the invention also relates to a Cooking appliance, which has a cooking chamber in which a food support positionable in at least two different insertion levels is, and which includes at least one preparation program. For a preparation program is a specific, preferred racking level for the food support and / or a specific Gargutträgertyp specified. The cooking appliance comprises a detection and control device, which is designed to be dependent on the selected preparation program detects whether the actual used Gargutträger that for this preparation program specifically and preferably corresponds to predetermined type of food product and / or whether the used shingling level of the intended, preferred Shaft level corresponds. In addition, the recording and control device designed to control an adjusting device, by means of which, in the case of a detected deviation, the actual one used rack level of the given rack level and / or in a deviation of the type of food carrier used from the preferred given Gargutträgertyp the actual Threshold level is changed, especially automatically is changed.

advantageous Embodiments of the cooking appliance according to the invention according to the first aspect of the invention are as advantageous embodiments of the invention Cooking appliance according to the second aspect of the To regard invention.

One Third aspect of the invention relates to a method of operation a cooking appliance having a cooking chamber in which a food support can be positioned in at least two different insertion levels is. For a preparation program is a specific and preferred rack level for the food support and / or a specific type of food carrier specified. It is then detected during operation of the cooking appliance, whether dependent from the selected preparation program, the food support used is arranged on the intended insertion level and / or whether the predetermined food support is used. In case of a detected deviation of the actual rack level from the given shelf level and / or at a detected Deviation of the type of food carrier used from the specified Food product type is issued, for which at least another cooking program of the cooking appliance these currently used shelf level and / or the currently used Food product type are suitable. In this method is thus intelligently recognizing whether wrong initial conditions for carrying out a preparation program with regard to given to the shelf level and / or the food support are and then it is automatically determined which other preparation program would be better suited to these conditions. A preparation process can thus be improved to the extent that not in a lump sum Then carried out the selected preparation program is, but that is searched, which preparation program for the preparation would be more suitable.

Preferably is provided that then the more suitable further preparation program automatically selected and especially automatically is carried out.

It can also be provided that the determined better, further preparation program is first communicated to the user. Depending on whether the user then agrees to this proposed further preparation program or fails to respond to the notification of the cooking appliance, then the proposed further preparation program is started automatically. If the user agrees to this proposed better further Zube It may be provided for him to select another, different preparation program or to start the primarily selected set preparation program, even if this is not the preferred further preparation program determined.

The Variability of a preparation and also the flexibility in the combination between a preparation program, a shelf level and a Gargutträgertyp can thereby highly flexible and be made possible in a variety of ways.

advantageous Embodiments of the method according to the invention both according to the first aspect of the invention as also according to the second aspect of the invention as advantageous embodiments of the method according to the to view third aspect of the invention.

Of the third aspect of the invention also relates to a Cooking appliance, which has a cooking chamber in which a food support positionable in at least two different insertion levels and which includes at least one preparation program. For a preparation program is a specific, preferred racking level for the food support and / or a specific Food product type specified. By means of a collection and Control device of the cooking appliance is detected, whether dependent from the selected preparation program and used food carriers on the designated Shaft level is arranged and / or the default Gargutträgertyp is used. The detection and control device is above Be configured so that when a detected deviation of the actual used rack level of the given rack level and / or in a deviation of the type of food carrier used from the predetermined Gargutträgertyp by means of an output unit is spent, for which at least one further preparation program the cooking appliance used this shelf level and / or this used food carrier type are suitable.

Also Here are advantageous embodiments of the invention Cooking appliance according to the first aspect of the Invention and according to the second aspect of the invention as advantageous embodiments of the cooking appliance according to the third aspect.

One Fourth aspect of the invention relates to a method of operation a cooking appliance, in which a food support is introduced in a cooking chamber of the cooking appliance, and the Food support is detected. For a specific one Preparation program is a food support from an at least given proportionally specific material and by a material detection is detected, whether the currently introduced into the cooking space Gargutträger usable in the selected preparation program. Thus, by the method according to the invention for a specific preparation program which defines Gargutträger are usable and in this regard which material design they should have, to a preferred or to be able to achieve the best preparation result. Dependent from these specifications, which as information in the cooking appliance are then stored in an actual operation and a specifically selected preparation program checked whether the currently introduced in the oven Gargutträger is formed of a material which corresponds to the material of the preferably predetermined food support. It can thus depend on the material design of the Gargutträgers be closed on whether an above-average Preparation result in this specifically selected Preparation program can be achieved.

Preferably the food support is dependent on the surface material recognized. Since the surface material is an essential Has an influence on the preparation process, it is particularly advantageous to perform the detection using this surface material. Preferably, it is recognized whether the food support a metallic Surface and / or an enamelled surface having.

Prefers is also provided that in addition to the material detection the food support also performed a shape recognition becomes.

Especially the material of the food support is detected by reflective radiation of a transceiver unit of the cooking appliance recognized. Again, preferably radar beams are used. As well however, other suitable beams may be used become.

The Invention according to the fourth aspect also relates a cooking appliance, which has a cooking chamber in which a Food support in at least two different insertion levels is positionable, and which comprises at least one preparation program. For a specific preparation program is a food support specified from an at least proportionally specific material and by means of a detection and control device is a material detection of the currently used food support at a specific operation feasible. Dependent from the material detection is by the detection and control device determines whether the currently introduced in the oven cooking food carrier usable in the selected preparation program or is suitable.

Preferably, this is then communicated to the user and, if appropriate, preferably before beaten to change the food support.

Also Here are advantageous embodiments of the first three aspects concerning the cooking appliance as advantageous embodiments of the cooking appliance according to the fourth aspect to watch.

One Fifth aspect of the invention relates to a method for Operating a cooking appliance, wherein for the Use in the cooking chamber of the cooking appliance specific food support be determined and defined in advance and at a in the Cooking chamber introduced in a subsequent operation Gargutträger is detected, whether it is a specific, pre-defined food support is. In particular, in this method according to the fifth aspect of an original food support for use defined and given.

By the process is then detected in a downstream operation, whether such original accessories are used or not. The device manufacturer can in this regard such specify and define suitable original food carriers. By This method is thus prevented due to the use of non-original accessories preparation results only suboptimal achieved and / or high wear occurs in the cooking appliance. In particular, this can be avoided that unsuitable Gargutträger be used, whereby it may damage or Functional impairment or high wear of the Gargutträgers and / or the cooking appliance can come. The use of non-original food carriers can thus easily recognized.

Preferably The detection of an original food carrier is based on its shape and / or its material design, in particular of the surface material, recognized. versions the method according to the first four aspects of Invention are as advantageous embodiments of the method according to the fifth aspect of the invention to watch.

Of Furthermore, the invention relates to the fifth Aspect a cooking appliance, which has a cooking chamber, in a food support is einbringbar. The cooking appliance includes a detection and control device, where predetermined is which specific usable in the cooking chamber of the cooking appliance Food support can be provided and by means the detection and control device in a subsequent operation is detected, which Gargutträger present is introduced, and whether this is a specific predetermined food support is. In particular, it is thus recognized by the cooking appliance, whether a given original food support is used or not.

Also here are versions according to the first four aspects of cooking appliances as advantageous embodiments of the cooking appliance according to the fifth To look at the aspect.

When Gargutträgertyp example, a baking tray, a Rust, a grill pan, etc. called. On these can then also food containers are placed. food support can therefore be used both directly and indirectly Receiving a cooking product to be trained.

Further Features of the invention will become apparent from the claims, the figures and the description of the figures. The above in the description mentioned features and feature combinations and the following mentioned in the description of the figures and / or in the figures alone shown features and feature combinations are not only in the each specified combination, but also in other combinations or used alone, without the scope of the invention to leave. This also applies to cross-aspect Characteristics and feature combinations.

Embodiments of the invention will be explained in more detail with reference to a schematic drawing. The single figure shows a front view of a cooking appliance 1 ,

The cooking appliance 1 can be designed in particular as a baking oven.

In the exemplary embodiment, the cooking appliance 1 a muffle 2 on which a cooking space 3 limited. The muffle faces the front 2 a loading opening, which through a door 4 is closable.

By way of example, it is shown in the figure that a food support 5 , which may be, for example, a baking sheet, a baking grid, a grill pan or the like, in the oven 3 is introduced. In the embodiment are in the oven 3 For example, three different levels of insertion I . II and III possible, in this regard on opposite side walls of the muffle webs 11 are formed.

In the embodiment shown is the food support 5 as an example in the lowest rack level III inserted and is by appropriate webs 11 held.

The cooking appliance 1 also includes a detection and control unit 6 respectively. 7 , which is shown only symbolically and in the upper part of the cooking chamber 3 is arranged. The detection and control device 6 . 7 may include one or more sensors configured to emit electromagnetic radiation are.

The detection and control device 6 . 7 thus also comprises a transceiver unit for emitting electromagnetic radiation and for receiving or detecting correspondingly reflected beams.

In addition, front-side controls 8th and 9 shown, which are merely exemplary in terms of position and number.

In the operating device of the cooking appliance 1 is next to the controls 8th and 9 also an output unit 10 arranged. This can be designed to display information in the form of text or the like and / or for voice output and voice input.

In one embodiment is the cooking appliance 1 designed so that it can perform a plurality of different preparation programs, for example, by a user on the controls 8th and or 9 can be selected. Each preparation program is in this regard a specific preferred shelf level I . II . III for the food support 5 assigned. In addition, it may additionally or instead be provided that a specific type of food carrier is specified for each specific preparation program. This possible combination between preferred rack level and preferred type of food carrier for a preparation program is tuned with regard to the best possible preparation result and is determined in advance in experiments. The resulting knowledge is then defined and as information in the cooking appliance 1 stored. This can especially before delivery of the cooking appliance 1 to the customer. Likewise, however, it may also be provided that corresponding improvements or new findings about it in subsequently installed programs or additionally on the cooking appliance 1 updated or supplemented.

Is then selected in a subsequent operation, a specific preparation program by a user, a food support 5 in one of the burglary levels I - III pushed and a specific shape and / or material composition Gargutträgertyp that the food support 5 characterized uses, so is via the detection and control device 6 . 7 performed a corresponding detection. If it is then recognized that the wrong rack level and / or the wrong type of food rack are used, it can be provided that the cooking program selected by the user is selected by the cooking appliance 1 is automatically changed, for example, by changing one or more parameter values characterizing the selected preparation program. In particular, the automatic change of the preparation program depends on the level of insertion actually used I - III and / or depending on the type of food carrier actually used.

With the changed conditions for the preparation program then this will be started automatically.

It can also be provided that the detection of a wrong insertion level I - III and / or a wrong type of food carrier to the user of the household appliance via the display unit 10 is communicated. This notification can be made before changing the preparation program. It can also be provided that possible advantageous changes of the preparation program are determined in advance and are displayed and suggested to the user. It can then be provided in this regard that the start of the preparation program with the proposed amended conditions is only performed when the proposed changes are confirmed by the user. Likewise it can be provided that the start of the preparation program with the proposed changes only takes place when a predefinable time period has elapsed, which extends between the notification of these changes to the user until the end of the period, and in this period no action by the user he follows.

Preferably The type of food carrier depends on its shape and / or its material composition.

It can be provided that the user after the notification that the preparation program should be carried out with changed conditions, automatically the shunting level I - III can change and / or independently change the type of food carrier.

It can also be provided that the cooking appliance 1 an adjustment mechanism 12 by means of which the insertion level I - III and thus the adjustment of the height of the food support 5 in the oven 3 can be done automatically. Preferably, the adjusting device 12 with the detection and control device 6 . 7 electrically connected and is controlled by this. In particular, by such adjustment 12 not just a discrete adjustment of the insertion height I - III be achieved, but also a continuous height adjustment are possible.

In addition, the detection and control device 6 . 7 formed in such a way that it is detected in a preparation program selected by the user, whether additional, not benö components are present in the cooking chamber, which should be taken out in advance. If such non-required accessories are detected, this is communicated to the user and in particular the selected preparation program, if necessary with its changes, only then carried out and started when these other components from the oven 3 were removed.

Preferably, the cooking appliance 1 also at least one functional program, which is different from a preparation program and is not designed for the preparation of food. Preferably, a pyrolysis function is provided as a function program. If such a pyrolysis process is desired and started by a user, then it is also checked automatically before starting whether components in the oven 3 are present, which should be taken out beforehand. In particular, if these components would affect the pyrolysis process or would be affected by the pyrolysis itself, this is very useful.

The recognition of such components to be removed is preferably carried out via the detection and control unit 6 . 7 ,

In a further embodiment of the cooking appliance 1 it is at least intended that a preparation program is defined and this a specific, preferred rack level I - III for the food support 5 and / or a specific Gargutträgertyp are given. By means of the detection and control unit 6 . 7 is detected, depending on the selected cooking program, the food support 5 on the intended insertion level I - III is arranged and / or the predetermined type of food carrier is used. In case of detected deviation of the actually used rack level I - III from the given shelf level I - III and / or a detected deviation of the type of food carrier used from the given type of food carrier is the level of insertion actually used I - III changed, in particular automatically changed. This is preferably done via the adjusting device 12 ,

In particular, it is provided that such an adjustment of the rack level I - III be notified in advance to a user.

Preferably, it is also provided that in the case of a detected incorrect insertion level I - III and / or a detected wrong type of food carrier for the selected specific preparation program is determined, for which at least one further cooking program of the cooking appliance 1 this currently used shelf level I - III and / or the type of food carrier currently being used are suitable. Preferably, it is provided that this determined further preparation program is communicated to the user, and he is given the opportunity to confirm this and then to start or reject it and to continue with the preparation program originally selected by him or to choose a completely different preparation program.

It can also be provided that of the cooking appliance 1 automatically determined, better further preparation program compared to the originally selected preparation program is automatically used and started.

Preferably, by the detection and control device 6 . 7 also recognized, whether for the cooking appliance 1 and / or the specifically selected preparation program an original accessory in the form of an original food support 5 is used or if this is not the case. In particular, this is based on the shape properties of the food support 5 and / or material properties of the food support 5 determined. Here, too, it can then be provided that the user is informed that no original accessory is used and it is proposed to use a corresponding original accessory. In particular, it can also be provided that it is proposed which specific original accessories, in particular which original food support, should be used.

Likewise, it may be provided that it is not primarily intended to determine and recognize whether an original food support 5 or another original accessory in the oven 3 is used, but whether specific to the selected cooking program of the food support 5 suitable is. This is preferably dependent on the material design of the food support 5 determined. Preferably, it is recognized whether the material design of the food support used 5 for the selected preparation program is the preferred provided material design. For example, a food support 5 made of aluminum or of a surface having at least aluminum surface design and would be for the specifically selected cooking program enamelled on its surface Gargutträgerelement as the preferred and proposed, it is recognized and preferably communicated to the user. This can be done regardless of whether the food support used 5 an original food support is or not.

If, for example, a bread is selected in a box shape from an automatic program, the filed and advantageous recommendation is that this box shape is placed, for example, in the shelf level II should be inserted. Is, as shown by way of example in the figure, the food support 5 However, with the box shape, not shown in the Shelf position III inserted, this is the cooking appliance 1 detected and detected as a deviation from the optimal conditions.

In this regard, then a correction is possible, whereby by the electronic Oven control the power ratio of the selected Preparatory program associated shares of electrical Performance of the radiators used for this purpose and / or the type of heating adapted according to the level of insertion used becomes. In this regard, could be mentioned in the Example then less bottom heat and more top heat are generated. Likewise, it can be provided that then another type of heating or another heating technology combination was selected and started and the process adapted to it, for example, possibly with it associated changed period of time is performed. In particular, an appropriate response to the User performed.

It can also be provided that a correction, ie a change in the oven control, adapted to the used shelf level and / or the type of food support is not possible and then the display is a corresponding information to the user that the wrong shelf level and / or the wrong type of food carrier are used. If the change of the rack level made by the user, so this is also from the cooking appliance 1 recognized. In this regard, then preferably a corresponding feedback of the cooking appliance 1 to the user and the preparation program is carried out with the selected preparation program without a change in this respect and automatically started. It can also be provided that after informing the user about an incorrect insertion level and / or a wrong type of food carrier, the insertion level is not changed and an attempt is made to start the selected preparation program anyway. In this regard, then preferably a response to the user will be given that a corresponding start was tried and this was unsuccessfully canceled because there are still the wrong conditions with regard to the shelf level and / or the type of food carrier.

In addition, for example, provided that for the cooking appliance 1 For example, at least for a possible preparation program as an original food support, for example, baking sheets made of aluminum are provided, and a user uses, for example, an enameled baking sheet, that is the cooking appliance 1 recognized. In this regard, it may then be provided that the cooking appliance 1 automatically makes changes to the selected preparation program and corrects, for example, changed heating parameters, preparation times, etc. By different radiation properties of the materials mentioned, these can be easily detected and detected.

1

Cooking appliance

2

muffle

3

oven

4

door

5

food support

6 7

acquisition and control unit

8th, 9

controls

10

output unit

11

Stege

12

adjustment mechanism

I, II, III

shelf levels

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 10063694 C2 [0003]
• EP 0271899 B1 [0004]
• - DE 102004026882 A1 [0005]
• - DE 19954470 B4 [0006]

Claims (28)

Method for operating a cooking appliance ( 1 ), which a cooking space ( 3 ), in which a food support ( 5 ) in at least two different insertion levels ( I . II . III ) is positionable, characterized in that for a preparation program a specific shelf level ( I . II . III ) for the food support ( 5 ) and / or a specific type of food carrier, and it is detected whether, depending on the selected preparation program, the food support ( 5 ) on the intended rack level ( I . II . III ) is arranged and / or the predetermined type of food carrier is used, and the preparation program is changed when the food support ( 5 ) on one of the planned rack level ( I . II . III ) different used rack level ( I . II . III ) is arranged and / or the type of food carrier used differs from the intended type of food carrier. A method according to claim 1, characterized in that the change of the preparation program depends on the actually used shingling level ( I . II . III ) and / or the type of food carrier used is carried out. Method according to claim 1 or 2, characterized that at least one parameter value of the preparation program changed becomes. A method according to claim 3, characterized in that as a parameter value, the distribution of the heating power to heating elements of the cooking appliance ( 1 ) and / or the type of heating and / or the heating time is changed. Method according to one of the preceding claims, characterized in that the change of the preparation program, especially the specific parameter value changes, be communicated to a user. Method according to one of the preceding claims, characterized in that the modified preparation program is started only after a confirmation by the user or after the lapse of a predeterminable period of time, which is determined from the notification of a change in the preparation program, and in which no changing the shelf level ( I . II . III ) and / or the type of food carrier by the user is started automatically. Method according to one of the preceding claims, characterized in that a Gargutträgertyp depending is recognized by its shape and / or material. Method according to one of the preceding claims, characterized in that the insertion level ( I . II . III ) and / or the type of food carrier is detected by radiation detection. Method according to one of the preceding claims, characterized in that as a modification of a preparation program a change is made to another preparation program. Method according to one of the preceding claims, characterized in that when the food support ( 5 ) on one of the planned rack level ( I . II . III ) different used rack level ( I . II . III ) is arranged and / or the type of food carrier used differs from the intended type of food carrier, this is communicated to the user and the planned rack level ( I . II . III ) and / or the intended type of food carrier are proposed, and only then is the preparation program changed if, after a predefinable waiting time, a change in the loading level ( I . II . III ) and / or a change of the type of food carrier is omitted by the user. Method according to one of the preceding claims, characterized in that it is automatically detected depending on the selected preparation program, whether in the cooking chamber ( 3 ) are arranged to carry out the preparation program unnecessary and removable components. Method according to claim 11, characterized in that that the user the presence of unnecessary components is communicated and the preparation program is then started, if the components have been removed or if they are for a specified period of time to remove the components after the message has elapsed. Method according to one of the preceding claims, characterized in that, depending on a selected and different from a cooking program program of the cooking appliance ( 1 ) is automatically detected, whether in the cooking chamber ( 3 ) are arranged to carry out the function program not required removable components. Method for operating a cooking appliance ( 1 ) which a cooking space ( 3 ), in which a food support ( 5 ) in at least two different insertion levels ( I . II . III ) is positionable, characterized in that for a preparation program a specific shelf level ( I . II . III ) for the food support ( 5 ) and / or a specific type of food carrier, and it is detected whether, depending on the selected preparation program, the food support ( 5 ) on the intended rack level ( I . II . III ) is arranged and / or the predetermined food carrier type is used, and in a detected deviation of the actually used shelf level ( I . II . III ) from the predetermined rack level ( I . II . III ) and / or a deviation of the type of food carrier used from the given type of food carrier, the actual level of insertion ( I . II . III ) is changed. A method according to claim 14, characterized in that the insertion level ( I . II . III ) is changed so that the selected preparation program can be carried out unchanged with regard to the preparation result. A method according to claim 14 or 15, characterized in that the insertion level ( I . II . III ) is changed automatically. Method for operating a cooking appliance ( 1 ), which a cooking space ( 3 ), in which a food support ( 5 ) in at least two different insertion levels ( I . II . III ) is positionable, characterized in that for a preparation program a specific shelf level ( I . II . III ) for the food support ( 5 ) and / or a specific type of food carrier, and it is detected whether, depending on the selected preparation program, the food support ( 5 ) on the intended rack level ( I . II . III ) is arranged and / or the predetermined type of food carrier is used, and in a detected deviation of the actually used shelf level ( I . II . III ) from the predetermined rack level ( I . II . III ) and / or a deviation of the type of food carrier used from the predetermined type of food carrier is determined, for which at least one further preparation program of the cooking appliance ( 1 ) the inserted shelf level ( I . II . III ) and / or the type of food carrier used are suitable. Method for operating a cooking appliance ( 1 ), in which a food support ( 5 ) in a cooking chamber ( 3 ) of the cooking appliance ( 1 ), and the food support ( 5 ) is recognized, characterized in that for a specific preparation program, the use of a food support ( 5 ) is specified from an at least proportionally specific material and is detected by a material detection, whether in the cooking chamber ( 3 ) introduced food support ( 5 ) is usable in the selected preparation program. A method according to claim 18, characterized in that the food support ( 5 ) is detected depending on the surface material. Method according to claim 18 or 19, characterized that metallic surfaces and / or enameled surfaces be recognized. Method according to one of claims 18 to 20, characterized in that the material of the food support ( 5 ) by detected reflected radiation of a transceiver unit ( 6 . 7 ) of the cooking appliance ( 1 ) is recognized. Method for operating a cooking appliance ( 1 ), in which for use in the cooking chamber ( 3 ) of the cooking appliance ( 1 ) specific original food carriers are determined and in one in the cooking chamber ( 3 ) introduced food support ( 5 ) is detected, whether it is a specific original food support. Method according to claim 22, wherein in the case of an introduced food support ( 5 ) is detected by the detection of the material, in particular the surface material, whether it is a specific original food support. Cooking appliance, which a cooking space ( 3 ), in which a food support ( 5 ) in at least two different insertion levels ( I . II . III ), and which comprises at least one preparation program, characterized in that for a preparation program a specific insertion level ( I . II . III ) for the food support ( 5 ) and / or a specific Gargutträgertyp are given, and by means of a detection and control device ( 6 . 7 ) of the cooking appliance ( 1 ), whether, depending on the selected preparation program, the food support ( 5 ) on the intended rack level ( I . II . III ) is arranged and / or the given type of food carrier is used, and the detection and control device ( 6 . 7 ) is designed so that the cooking program is changed when the food support ( 5 ) on one of the planned rack level ( I . II . III ) different used rack level ( I . II . III ) is arranged and / or the type of food carrier used is different from the intended food support type. Cooking appliance, which a cooking space ( 3 ), in which a food support ( 5 ) in at least two different insertion levels ( I . II . III ), and which comprises at least one preparation program, characterized in that for a preparation program a specific insertion level ( I . II . III ) for the food support ( 5 ) and / or a specific Gargutträgertyp is given, and by means of a detection and control device ( 6 . 7 ) of the cooking appliance ( 1 ), whether, depending on the selected preparation program, the food support ( 5 ) on the intended rack level ( I . II . III ) is arranged and / or the given type of food carrier is used, and the detection and control device ( 6 . 7 ) for controlling an adjusting device ( 12 ) is formed, by means of which in a detected deviation of the actually used Insertion level ( I . II . III ) from the predetermined rack level ( I . II . III ) and / or a deviation of the type of food carrier used from the given type of food carrier, the inserted shelf level ( I . II . III ) will be changed. Cooking appliance, which a cooking space ( 3 ), in which a food support ( 5 ) in at least two different insertion levels ( I . II . III ), and which comprises at least one preparation program, characterized in that for a preparation program a specific insertion level ( I . II . III ) for the food support ( 5 ) and / or a specific Gargutträgertyp are given, and by means of a detection and control device ( 6 . 7 ) of the cooking appliance ( 1 ), whether, depending on the selected preparation program, the food support ( 5 ) on the intended rack level ( I . II . III ) is arranged and / or the given type of food carrier is used, and the detection and control device ( 6 . 7 ) is designed so that when a detected deviation of the actually used insertion level ( I . II . III ) from the predetermined rack level ( I . II . III ) and / or a deviation of the type of food carrier used from the predetermined type of food product carrier by means of an output unit ( 10 ) is issued, for which at least one further cooking program of the cooking appliance ( 1 ) the inserted shelf level ( I . II . III ) and / or the type of food carrier used are suitable. Cooking appliance, which a cooking space ( 3 ), in which a food support ( 5 ) in at least two different insertion levels ( I . II . III ) is positionable, and which comprises at least one preparation program, characterized in that for a specific preparation program a food support from an at least proportionally specific material is predetermined and by means of a detection and control device ( 6 . 7 ) a material identification of the actually used food support ( 5 ) is feasible, and is determined depending on the material detection, whether in the cooking chamber ( 3 ) introduced food support ( 5 ) is usable in the selected preparation program. Cooking appliance, which a cooking space ( 3 ), in which a food support ( 5 ) in einbringbar, characterized in that for use in the cooking chamber ( 3 ) of the cooking appliance ( 1 ) specific original food support are predetermined and by means of a detection and control device ( 6 . 7 ) at one in the cooking space ( 3 ) introduced food support ( 5 ) is detected, whether it is a specific original food support.