Method for operating a domestic cooking appliance and domestic cooking appliance
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Solution Overview
Problem
Existing household cooking appliances lack effective methods to monitor and control moisture levels in the cooking chamber, leading to suboptimal cooking results, such as drying out of food or burning due to excessive dryness, and require users to manually adjust humidity settings which can be imprecise.
Innovation Solution
A method that monitors moisture levels in the cooking chamber and issues alerts to users when thresholds are reached, allowing them to manually adjust moisture levels by adding water or steam, enabling precise control without automatic humidity control systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If automatic humidity control systems are used, then humidity levels can be precisely controlled, but device complexity increases and cost increases
Solution Approach 1:
The patent implements a feedback mechanism by monitoring humidity levels in the cooking chamber and providing notifications to users when threshold values are reached. This allows users to manually adjust humidity without requiring complex automatic control systems, thus maintaining measurement precision while reducing device complexity.
Solution Approach 2:
The system enables users to take self-service action by notifying them when humidity adjustment is needed. Users independently monitor and adjust humidity levels based on notifications, eliminating the need for complex automatic humidity control systems while maintaining adequate humidity management.
2Device complexity
If users manually monitor and adjust humidity levels, then device complexity is reduced, but cooking precision deteriorates due to imprecise manual adjustments
Solution Approach 1:
The system provides continuous feedback to users through notifications when predefined threshold values are reached. This enables users to make timely and accurate manual adjustments, maintaining cooking precision without requiring complex automatic control systems.
Solution Approach 2:
The system performs preliminary monitoring and issues notifications before humidity levels reach critical points. This allows users to make preventive adjustments, ensuring cooking precision is maintained through timely manual intervention rather than reactive corrections.
3Ease of operation
If users frequently open the cooking chamber door to check humidity levels, then manual monitoring is possible, but energy loss increases
Solution Approach 1:
The patent replaces the mechanical action of opening the door to visually check humidity with an electronic sensing and notification system. Humidity sensors continuously monitor levels inside the closed chamber and send notifications to users, eliminating the need to open the door for monitoring and thus preventing energy loss.
Solution Approach 2:
The system introduces an intermediary notification mechanism (visual or digital alerts) that communicates humidity status to users without requiring direct physical access to the cooking chamber. This intermediary layer allows users to monitor humidity remotely while the chamber remains sealed, preventing energy loss.
4Device complexity
If no humidity monitoring is implemented, then device complexity is minimized, but food quality deteriorates due to drying out or burning
Solution Approach 1:
The system implements a simple feedback loop where humidity levels are monitored and users are notified when thresholds are reached. This minimal feedback mechanism provides sufficient information for users to prevent food drying out or burning while keeping the overall system simple and avoiding excessive complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method allows users to maintain optimal moisture levels, preventing food from drying out or burning, and allows for personalized cooking results without the need for precise device adjustments, applicable to both appliances with and without steam generators.
Implementation Method 1
a sensor (3) for determining a humidity value (f) in the cooking chamber (2)
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The method (S1-S7) serves to operate a domestic cooking appliance (1) having a cooking chamber (2), in which a moisture value (f) in the cooking chamber (2) is monitored (S4) and, when the moisture value (f) reaches or falls below a prescribed threshold value (T), a sign is output (S5). The domestic cooking appliance (1) has a cooking chamber (2), a sensor (3) for determining moisture in the cooking chamber (2) and a control device (4), wherein the control device (4) is configured to allow the method (S1-S7) to proceed. The invention is particularly advantageously applicable to domestic cooking appliances, in particular ovens, with and without steam generators.