DE102008051024A1 - Gas appliance, particularly industrial hot air damper for fully automatic cooking of cooking products, has control front and emergency pushbutton, where readiness mode is activated by person detection sensor - Google Patents

Abstract

The gas appliance has a control front and an emergency pushbutton. The emergency pushbutton is arranged exactly at the control front, and no other switch and pushbutton are provided in the gas appliance. A readiness mode is activated by a person detection sensor. A voice module is in reception standby in stand-by mode. A door contact switch is provided in the gas appliance.

Description

The The invention relates to a cooking appliance, in particular a commercial Combi steamer, especially for fully automatic Cooking of food.

cooking appliances, so also commercial cooking appliances, are in the state of the art widely known.

On the one hand is in the WO 2004/062372 A2 described that, with the help of a cluster analysis, cooking processes can be compacted, typed, profiled and mathematically clearly characterized and described despite their highly complex contexts, so that the running of a cooking process can be reduced to a few key variables to be defined. On the other hand it is from the EP 1 022 972 B1 It is known that by taking into account the temporal behavior of measured variables which relate to changing properties of the food during a cooking process, the quantity and in particular the thickness of a food can be taken into account in the guidance of a cooking process without being directly measured or entered into the cooking appliance Need to become.

Steps have already been taken to automate a cleaning process, such as in the DE 199 61 835 C2 described. Thereafter, from a cooking space effluent effluent water is at least partially reused and a cleaning cycle automatically controlled by a special sensor.

Special measuring devices that automate a cooking process have also been developed. So it is for example from the DE 199 45 021 A1 Known via a Garprozessfühler, which is at least partially inserted into a food, at least to determine a specific Gargut- and / or cooking appliance size for Garprozesssteuerung. As Gargutgröße are there explicitly the core temperature of the food, the placement of the Garprozessfühlers in the food, the diameter of the food, the density of the food, the Gargutart, the degree of ripeness of the food, the pH value of the food, the consistency of the food, the storage state of the Garguts, the smell of the food, the taste of the food, the quality of the food, the browning of the food, the crusting of the food, the vitamin degradation of the food, the formation of carcinogenic substances in the food, the hygiene of the food and / or the thermal conductivity of the food described. How can one recognize whether such a Garprozessfühler is actually placed in a cooking product, so that only when detected lancing the Garprozessfühlers a normal operation of a cooking process is continued, with the adjustment of a possible Fehlstechung, is for example in the DE 100 61 821 C2 described. A method for detecting improper application of a Garprozessfülhlers is also from the DE 102 11 643 A1 known. Furthermore, under the WO 2004/109246 A1 describes how, in particular, the thermal conductivity and / or the specific thermal conductivity of a cooking product can be detected via a cooking process sensor. The DE 101 09 246 C1 also teaches how the color inside a food can be detected by detecting electromagnetic radiation and used for cooking process control. In the DE 101 09 252 C2 is still the evaluation of sound waves in a food to be described in particular for determining the consistency of the same, which can also be used for Garprozesssteuerung.

Alternatively or in addition to Garprozessfühlern that are stabbing into a cooking appliance, a variety of other measuring devices in the art for detecting specific Gargutgrößen is also known. For example, the DE 101 14 080 C1 the detection of the pH value, the electrical conductivity, the optical behavior, the spectroscopic behavior, the odor and / or the behavior upon the action of enzymes of organic liquid substances emerging from a food during cooking for controlling a cooking process and / or cleaning process , In the DE 10 2004 062 737.1-34 is a sniffer sensor for detecting the atmosphere, for example, the Garinnenraums known, depending on the output values controls a control system cooking processes. In the DE 10 2005 046 716.4 is described as an infrared measuring device, the position of a food in a cooking chamber for selectively applying the same with heat, cold, steam, a gas, a liquid, a solid, electromagnetic radiation, an electric field and / or a magnetic field for the purpose of automating a cooking process is detectable.

In the case of automation of a cooking process, the detection of the installation site and / or installation height of the cooking appliance is used to set predetermined cooking programs and internal parameters, as in the context of DE 103 01 526 B3 described.

Furthermore, it can be useful for automating cooking processes in cooking appliances whose cooking chamber is closable with a cooking chamber door, to automatically consider the opening degree of the cooking chamber door and the duration of the opening of the cooking process, as in the context of DE 10 2005 020 744.8 described.

An automation of a cooking process or cleaning process should also be realized with energy savings, in particular here special is to refer to storage facilities, as for example. In the EP 1 092 115 B1 are described.

Finally, the shows EP 1 666 798 A2 a cooking appliance, which performs a fully automatic cooking process, wherein on an operating front of the device only either an on-off switch or no control element is present.

The WO 2008/088124 A1 proposes a cooking appliance in which the user is identified via an RFID tag.

Of the The present invention is based on the object, an improved Cooking device to provide.

To A first aspect of the invention solves this problem Cooking appliance, in particular for fully automatic cooking of Food to be cooked, with one front panel, with exactly one emergency stop button on the front is arranged, and no switch or another button.

Of the The invention is based on the recognition that the existing measurement Although control technology is capable of a cooking process fully automatically but that is a better solution gives as either no control at all or just an on-off switch provided. This better solution lies in exactly one emergency stop button.

One Button of the type proposed here differs from one On-off switch by allowing only operability, which causes an immediate shutdown of the cooking appliance. The solution proposed here is therefore on the one hand opposite the variant with the on-off switch advantageous because the power is transferred to the automatic sensor of the device, so that no operator errors can occur. on the other hand is the solution proposed here compared to the Variant with a control panel completely without controls advantageous because an emergency stop button a much higher technical safety in operation guaranteed.

Prefers is a standby mode via a proximity detector activatable, in particular via a motion detector or an RFID sensor. A cooking appliance, which this aspect has at least two modes, namely on the one hand a standby mode and on the other hand a standby mode. In standby mode are those sensors of the cooking appliance activated, which are required to automatically initiate the cooking process. Since the cooking appliance has no on-switch on the Front panel are in any case sensors for initiating the cooking process available. These sensors consume energy even if it is just a monitoring electronics for a door contact switch. In the introduction to the description was a non-exhaustive overview of various Given sensors.

Of the Ready mode proposed here thus provides that at least a sensor for initiating the cooking process and / or fully automatic Performing the cooking process is more activated than in Stand-by mode, ie the mode in which the device immediately or after a time delay changes when the Movement or other proximity detector no operator on Cooking appliance detected. The proximity detector is preferred always active.

in the Standby mode may be provided, inter alia, that Voice module is ready to receive, so the operator can control the cooking appliance via voice commands, or it is conceivable that a light is switched on in standby mode is. This would give an operator an optical signal, that the cooking appliance switched to standby mode Has.

additionally or alternatively, it is conceivable that in standby mode, a placement sensor is activated, that is, a sensor which gene Einbrin of food in the cooking chamber, the presence of food in the oven, the place of food in the cooking chamber, the amount of food to be cooked in the cooking space and / or the Type of food to be cooked is recorded in the oven, this list is not as conclusive.

The Cooking device can be particularly easy then with a cooking process begin when a cooking chamber door is closed. For this In particular, a door contact switch can be provided. A door contact switch is very inexpensive and almost error free. At the same time is the closing of the cooking chamber door Of the control electronics of the cooking appliance as a start command well usable, because even poorly trained staff the oven door can close quite reliably.

It It is suggested that the cooking appliance at regular Expiration of the cooking process outputs a signal, in particular an optical and / or acoustic signal. The operator of the cooking appliance then know that he has all the food or at least can remove a part of the food.

The Signal is preferred when opening the oven door off.

at a preferred embodiment of the cooking appliance the emergency stop button is mechanically resettable, in particular by turning the button. Such emergency stop buttons are already known.

After this a user has reset the emergency stop button, wherein it can be provided that additionally or alternatively to turn the knob a key is necessary, can the cooking appliance continues in various ways. It can For example, go into stand-by mode, into standby mode, or it can return to the previous state, where this can also mean that a cooking program continues becomes.

It It is proposed that the cooking appliance as the only control a door handle for a door with door contact switch and additionally has the emergency stop button.

To A second aspect of the invention achieves the stated object Cooking appliance, in particular in an embodiment as above described, with a cooking chamber lighting is then turned on, in particular, only switched on when using a person detection sensor a person is detected in front of the cooking appliance.

additionally to the above-described function, via a proximity sensor switch from stand-by mode to standby mode, or alternatively, this aspect of the invention proposes before that the cooking chamber lighting at least in several operating states, especially in all operating states, turns on when the operator is in front of the cooking appliance. This can especially during the cooking process, so that the operator only in front of the cooking chamber door of the cooking appliance needs to go, whereupon the proximity sensor detects that someone stands there, whereupon the cooking appliance lights turns on in the oven. Oven doors usually have a viewing window, so that the operator takes a look whenever she wishes can throw on the food, but this is very energy efficient is guaranteed.

For a further saving of energy at the same time high Lifespan is suggested that the oven lighting LEDs having.

It was already mentioned that the person detection sensor is preferably activated during a cooking process.

additionally Alternatively, it is conceivable that the person detection sensor in a stand-by mode is activated.

To a third aspect of the invention solves the problem a cooking appliance, in particular in an embodiment as above described, with additional, other sensors, in particular all Sensors, then turned on, especially only then turned on are, if by means of a person detection sensor a person before the cooking appliance is detected.

This Aspect has already been mentioned. If no person before the Gargerät is detected, at least one sensor should be active, namely the person detection sensor, the room monitor for an operator in front of the cooking appliance should. This is preferably a pure motion sensor and / or a RFID sensor. A heat sensor is also conceivable in a kitchen, however, mostly with the danger Afflicted, warm swaths or other heat as a person fails to interpret. A camera is also conceivable.

additional, other sensors may already be active, but this is true unnecessary.

In the moment when the operator detects in front of the cooking appliance is, should activate at least one other, another sensor.

It understands that the most energy-efficient programming provides that without present operator only the person detection sensor is active, wherein upon entering the operator in the detection area the remaining, other sensors are activated.

A also good variant provides that when entering the operator in the detection area only the light and a door contact sensor to be activated. By opening the cooking chamber door the remaining, other sensors are activated.

The invention will be explained in more detail below with reference to an exemplary embodiment:
A commercial cooking appliance in the form of a combi steamer is used in a catering business to have various cooking products prepared by untrained personnel.

The Cooking device has various connections, especially for gas, water, electrical energy and wastewater.

At an operating front of the cooking appliance are a cooking chamber door with a handle and an emergency stop button. Other controls are located not on the front of the cooking appliance. Also the side walls and the rear wall of the cooking appliance are free of controls. A main switch is located inside the cooking appliance for maintenance purposes.

To cook a food, the operator uses the food either directly or with packaging or food support. She goes with the food in front of the cooking appliance. There she is from a Be detected motion detector of the cooking appliance. The cooking appliance is in stand-by mode until then.

A Control electronics in the cooking appliance detects by the feedback from the active motion detector that is the person is in front of the cooking appliance.

The Electronics of the cooking device now activates many others Sensors and the light in the oven. With one of the now activated Sensors can for example be an identification of the operator. In particular, but a door contact switch is activated become.

As soon as the operator now opens the cooking chamber door other sensors activated. This is determined by means of these sensors Cooking device all data required for a fully automatic Cooking process are necessary. These begin, for example, in recognition the type of food if the appliance is for different Gargutarten is about the amount, the position, etc. of the Garguts for initiating the cooking process and for automatically performing the cooking process as soon as the oven door is closed.

Of the Operator does not have to stand in front of the machine during the cooking process Stop cooking appliance. Once he is back in the detection area of the motion sensor is moved, for the duration of his stay there or for a predetermined period the oven lighting switched on. The cooking process itself remains unaffected.

If the operator detects a defect on the device, danger in the Delay is or if he recognizes that the food or for example the packaging of the food can be damaged, he can the cooking process by pressing or hitting the emergency stop button with immediate Interrupt effect.

If the cooking process goes according to plan, signals the cooking appliance this by a sound, in addition the oven lighting can flash or another optical signaling can be done. The cooking device can at this moment the temperature in the cooking space reduce so far that the food still kept warm will, but not overgarden.

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

• - WO 2004/062372 A2 [0003]
• - EP 1022972 B1 [0003]
• - DE 19961835 C2 [0004]
• - DE 19945021 A1 [0005]
• - DE 10061821 C2 [0005]
• - DE 10211643 A1 [0005]
• - WO 2004/109246 A1 [0005]
• - DE 10109246 C1 [0005]
• - DE 10109252 C2 [0005]
• - DE 10114080 C1 [0006]
• - DE 102004062737 [0006]
• - DE 102005046716 [0006]
• - DE 10301526 B3 [0007]
• - DE 102005020744 [0008]
• - EP 1092115 B1 [0009]
• - EP 1666798 A2 [0010]
• - WO 2008/088124 A1 [0011]

Claims (15)

Cooking appliance, in particular for fully automatic cooking of food, with a front panel, characterized in that exactly one emergency stop button is located on the front panel, and no switch or other button. Cooking appliance according to claim 1, characterized a standby mode via a person detection sensor is activatable. Cooking appliance according to claim 1 or 2, characterized characterized in that in standby mode, a voice module in readiness to receive is. Cooking appliance according to one of the preceding claims, characterized in that switched on in standby mode, a light becomes. Cooking appliance according to one of the preceding claims, characterized in that in the standby mode, a pick and place sensor is activated. Cooking appliance according to one of the preceding claims, characterized in that the placement sensor a Gargutarterfassung has. Cooking appliance according to one of the preceding claims, characterized in that the cooking appliance when closing a cooking chamber door begins with a cooking process. Cooking appliance according to one of the preceding claims, characterized in that the cooking appliance a door contact switch having. Cooking appliance according to one of the preceding claims, characterized in that the cooking appliance at regular Run the cooking process outputs a signal. Cooking appliance according to one of the preceding claims, characterized in that the emergency stop button mechanically resettable is, in particular by a rotation. Cooking appliance according to one of the preceding claims, characterized in that the cooking appliance as the only Operator element a door handle and in addition has the emergency stop button. Cooking appliance, in particular according to one of the preceding Claims, characterized in that a cooking compartment lighting is then turned on, in particular only if by means of a Person detection sensor a person in front of the cooking appliance is detected. Cooking appliance according to claim 12, characterized in that that the person detection sensor during a cooking process is activated. Cooking appliance according to claim 12 or 13, characterized the person detection sensor is activated in a stand-by mode is. Cooking appliance, in particular according to one of the preceding Claims, characterized in that additional, other sensors, especially all sensors, then turned on are, in particular, only if by means of a person detection sensor a person is detected in front of the cooking appliance.