Method for controlling an interior lighting of a cooking appliance and cooking appliance
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Solution Overview
Problem
Existing cooking appliances lack efficient methods to guide operators through cooking processes and maintain optimal operational conditions, with interior lighting primarily used for illumination rather than dynamic control to convey process-specific information.
Innovation Solution
A method and cooking appliance where interior lighting is dynamically controlled based on the state of the appliance, detected signals, inputs, and cooking processes, using varying light colors, intensities, and sequences to guide operators through specific activities, indicate cooking states, and provide visual feedback on operational status and cleaning needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If interior lighting is used only for basic illumination, then the lighting system is simple and energy consumption is low, but the operator cannot receive process-specific guidance and cooking progress information
Solution Approach 1:
The interior lighting system is designed to perform multiple functions: basic illumination of the cooking chamber and information communication about cooking progress, accessory placement status, and operational states. The same light sources (LEDs) are used both to illuminate the cooking area and to convey process-specific information through color changes and illumination patterns, eliminating the need for separate indicator lights and reducing overall system complexity.
Solution Approach 2:
Different colors of light are used to represent different cooking states and provide guidance to the operator. For example, specific colors indicate cooking progress stages, correct accessory placement, or required operator actions. This visual coding system allows rapid information transmission without requiring complex displays or interfaces.
2Loss of information
If multiple separate indicator systems are used for cooking status, then information completeness is high, but the device complexity and space requirements increase
Solution Approach 1:
The interior lighting system serves as a multi-functional communication interface that replaces multiple separate indicator systems. The same light sources that illuminate the cooking chamber also convey cooking status, accessory placement correctness, and operational information through variations in color, intensity, and illumination patterns, eliminating the need for dedicated indicator panels and reducing overall device footprint.
Solution Approach 2:
The illumination function and information communication function are merged into a single system. The interior lights serve dual purposes: providing necessary visibility in the cooking chamber and simultaneously transmitting process information to the operator through color and pattern variations, thereby consolidating multiple functions into one compact system.
3Productivity
If interior lighting provides detailed cooking guidance, then operational efficiency improves, but energy consumption increases
Solution Approach 1:
The lighting system uses periodic or intermittent illumination patterns to convey information rather than continuous high-intensity lighting. For example, lights may flash or change intensity in patterns that indicate cooking progress or require operator attention, providing necessary guidance while reducing overall energy consumption compared to sustained high-power illumination.
Solution Approach 2:
The system conveys detailed information by changing the color or intensity of existing light sources rather than activating additional high-power lights. This allows rich information communication through variations in the same light output, maintaining guidance effectiveness while minimizing energy consumption.
Data Source
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AI summary
The invention relates to a method for controlling an interior light (30) of a cooking appliance (10) which has a controller (28) and a cooking chamber (14) in which the interior light (30) is provided. The interior lighting (30) is controlled by the controller (28) depending on the status of an assembly of the cooking appliance (10), a signal detected by a sensor (36), an input made, a cooking process and/or a cooking status. A cooking appliance (10) is also described.