Variable-Wavelength Cooking Instrument With Heat-Selective Support Tray
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Solution Overview
Problem
Conventional cooking instruments lack the capability to systematically and consistently produce complex meals with precision and speed, requiring manual intervention and multiple instruments, which hinders the automation of cooking processes.
Innovation Solution
A cooking instrument with a computing device-controlled heating system that adjusts peak emission wavelength and spectral power distribution of filament assemblies to precisely heat food, using a support tray with specific absorption properties to indirectly transfer heat, and an interactive user interface for recipe execution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional cooking instruments are used, then cooking can be performed, but the capability to systematically and consistently produce complex meals with precision and speed is lacking
Solution Approach 1:
The heating system dynamically adjusts the peak emission wavelength and spectral power distribution during the cooking process. The controller modifies heating parameters in real-time based on the cooking stage and food requirements, enabling both rapid heating and precise temperature control for complex meals
Solution Approach 2:
The system changes the physical parameters of the heating elements by varying the peak emission wavelength across different spectral ranges (e.g., 800-1600nm, 1600-3200nm, 3200-4800nm) to optimize both heating efficiency and cooking precision for different food types and stages
2Adaptability or versatility
If multiple cooking instruments are used to produce complex meals, then cooking capability is improved, but device complexity and manual intervention requirements increase
Solution Approach 1:
The cooking instrument integrates multiple heating zones with independently controllable spectral characteristics, allowing a single device to perform various cooking functions (roasting, baking, grilling, etc.) that traditionally required multiple separate instruments, thereby reducing system complexity while maintaining versatility
Solution Approach 2:
The heating system is divided into multiple independently controllable heating elements or zones, each capable of operating at different peak wavelengths and power levels, enabling complex multi-stage cooking processes within a single instrument without requiring multiple separate devices
3Ease of operation
If traditional cooking methods are used, then cooking can be performed, but automation capability is limited requiring continuous human observation and decision-making
Solution Approach 1:
The system incorporates sensors and controllers that continuously monitor cooking progress and automatically adjust heating parameters based on predetermined recipes or real-time conditions, eliminating the need for continuous human observation and decision-making while maintaining ease of operation through automated control
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
Enables the automated and precise cooking of complex meals by dynamically controlling heat patterns and wavelengths, reducing human intervention and improving cooking efficiency.
Implementation Method 1
a first peak wavelength such that the support tray is substantially opaque to waves emitted from the heating element and at a second peak wavelength such that the support tray is substantially transparent to waves emitted from the heating element
Implementation Method 2
using a support tray with specific absorption properties to indirectly transfer heat
Data Source
AI summary
Several embodiments include a cooking appliance/instrument (e.g., oven). The cooking appliance/instrument can include a cooking chamber, a support tray adapted to hold food in the cooking chamber; and a heating system comprised of at least a heating element. The heating system is adapted to emit waves according to a particular configuration such that the emitted waves is substantially transparent or substantially opaque to the support tray and thus enabling the cooking instrument to select what to heat.