Method of forming cooking plate with temperature sensing element
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Solution Overview
Problem
Household cooking appliances lack precise temperature control, making it difficult for non-professionals to cook food like chefs, as they rely on inaccurate temperature sensing methods or bulky professional appliances, limiting home cooking capabilities and pleasure.
Innovation Solution
A cooking plate with an integrated heating element and temperature sensing element, using a resistive wire and RTD temperature sensor, allows for precise temperature control by sensing the metal plate's temperature and adjusting heating, enabling accurate cooking surface temperature monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a temperature sensor is used to roughly detect the temperature in household cooking appliances, then the device complexity is low, but the measurement precision is insufficient for precise temperature control
Solution Approach 1:
The temperature sensing element is integrated directly into the metal plate structure, merging the sensing function with the cooking surface. This integration provides accurate temperature measurement without adding separate complex sensing systems, as the sensor becomes part of the plate itself rather than an external component.
Solution Approach 2:
The patent replaces rough mechanical temperature detection methods with precise electrical temperature sensing elements (such as RTD sensors) that are embedded in the metal plate. This substitution enables accurate temperature measurement and control, transforming the system from approximate to precise temperature management.
2Measurement precision
If professional cooking appliances with precise temperature control are used, then the measurement precision and cooking quality improve, but the device complexity and volume increase making them unsuitable for house use
Solution Approach 1:
The heating element and temperature sensing element are both integrated into the metal plate, combining multiple functions (cooking surface, heating, and temperature sensing) into a single unified structure. This merging eliminates the need for bulky separate components found in professional appliances, achieving precise temperature control in a compact household-friendly design.
Solution Approach 2:
The metal plate serves multiple functions simultaneously: it is the cooking surface, the heating element carrier, and the temperature sensing platform. This multi-functionality reduces the overall device complexity and volume while maintaining precise temperature control capabilities, making professional-grade cooking accessible in household settings.
3Measurement precision
If a probe temperature sensor is used to penetrate food for temperature detection, then the measurement precision improves, but the ease of operation deteriorates due to inconvenience and lack of intelligence
Solution Approach 1:
The cooking plate performs temperature sensing automatically through its integrated sensing element, eliminating the need for user intervention to insert probes or check temperatures. The system self-monitors the cooking surface temperature continuously and adjusts heating accordingly, providing both precision and convenience without requiring user action.
Solution Approach 2:
The integrated temperature sensing element provides continuous feedback to the control system, enabling automatic temperature regulation. This feedback mechanism eliminates the need for manual temperature checking with probes, as the system continuously monitors and adjusts based on real-time temperature data, improving both precision and ease of operation.
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
The solution provides accurate temperature sensing and control, allowing non-professionals to cook high-quality food at home with precision, similar to professional methods, enhancing cooking capabilities and convenience.
Implementation Method 1
a heating element, which is in contact with the metal plate and is configured to heat the metal plate; where the heating element includes a resistive wire
Implementation Method 2
a temperature sensing element which is integrated with the metal plate and which is configured to sense a temperature of the metal plate
Data Source
AI summary
A cooking plate includes a metal plate for cooking; a heating element, which is in contact with the metal plate and is configured to heat the metal plate; and a temperature sensing element which is integrated with the metal plate and which is configured to sense a temperature of the metal plate and outputs a sensing signal for control heating of the heating element.