Multi-Ingredient Cooking Temperature Control Using Cold-Point Tracking

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Solution Overview

Problem

Conventional cooking apparatuses struggle to cook multiple ingredients simultaneously with optimal taste due to lack of real-time temperature control and customized heating settings, leading to inefficient and cumbersome cooking processes.

Innovation Solution

A temperature control method and system that adjusts heating based on ingredient type and position, using a heating device to achieve targeted heating by identifying region and ingredient cold/hot points, and adjusting temperatures through multiple stages to ensure simultaneous cooking of ingredients with optimal taste.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If conventional microwave heating is used, then heating efficiency is high, but temperature distribution is uneven and cannot achieve targeted heating of individual ingredients

Engineering Contradiction:
Improvetemperature distribution uniformityVSAvoidtemperature control system complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The patent implements different heating strategies for different regions of the food. The temperature control system divides the food into multiple regions and applies localized heating control to each region based on its specific thermal characteristics and cooking requirements, achieving uniform temperature distribution across the entire food while maintaining simple overall system architecture

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent employs temperature sensing elements that continuously monitor temperature distribution within the food and feed this information back to the control system. This feedback mechanism enables real-time adjustment of heating power and duration to maintain uniform temperature distribution without requiring complex predictive models

Inventive Principle:
Principle #23Feedback

2Ease of operation

If multiple ingredients are cooked simultaneously with fixed heating parameters, then cooking process is simple, but cannot achieve optimal cooking taste for different ingredients

Engineering Contradiction:
Improvecooking operation simplicityVSAvoidcooking parameter precision
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent segments the cooking process into distinct stages (defrosting, cooking, reheating) and assigns different heating parameters to each stage. For each ingredient, the system divides cooking parameters into multiple segments corresponding to different thermal zones and cooking requirements, enabling precise control while maintaining simple user interaction through automated program selection

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent automatically adjusts heating parameters (power level, duration, interval) based on the detected ingredient types and their respective cooking characteristics. The control system modifies parameters dynamically during the cooking process to achieve optimal cooking results for multiple ingredients simultaneously, keeping the user interface simple while implementing complex parameter management

Inventive Principle:
Principle #35Parameter changes

3Measurement precision

If real-time temperature monitoring is implemented, then cooking precision is improved, but system complexity and cost increase

Engineering Contradiction:
Improvetemperature measurement precisionVSAvoidmonitoring system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent implements temperature monitoring at strategic locations where temperature changes most significantly occur during cooking. The system uses the natural thermal gradients and self-heating characteristics of different food regions to infer overall temperature distribution, reducing the need for extensive sensor arrays while maintaining adequate measurement precision

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces complex mechanical temperature sensing systems with simpler electronic or optical sensing methods. The control system uses minimal sensing elements combined with thermal modeling algorithms to achieve accurate temperature measurement and control, substituting physical complexity with computational simplicity

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 even heating of the entire food region and targeted heating of individual ingredients, achieving simultaneous readiness with optimal cooking taste by real-time monitoring and precise temperature control.

Implementation Method 1

The magnetron is excited by the power supply and continuously generates microwaves, which are coupled into the cooking cavity by a waveguide system

Methodology Applied
Scientific EffectMicrowave radiation: Microwave Radiation

Implementation Method 2

The microwaves are refracted in different directions by the rotatable stirrer to allow microwave energy to be evenly distributed in the cooking cavity, thereby enabling heating of the food

Methodology Applied
Scientific EffectDielectric heating: Dielectric Heating

Data Source

PatentUS20250302230A1Temperature control method and system for cooking apparatus, cooking apparatus, and storage medium
Publication Date: 2025.10.02 JIU TAI GRP CO LTD
  • US20250302230A1 patent drawing
  • US20250302230A1 patent drawing
  • US20250302230A1 patent drawing

AI summary

Provided are a cooking apparatus, a temperature control method and system for a cooking apparatus. The method includes: controlling, based on a quantity and a type of an ingredient in a food region of the cooking apparatus, a heating device of the cooking apparatus to adjust an average temperature of the food region to a first temperature; determining, at a first sampling frequency, a position of the region cold point on a temperature map at each sampling time point, and controlling the heating device to heat the position of the region cold point, to adjust the average temperature of the food region from the first temperature to a second temperature; and collecting a cooking parameter of each ingredient, and controlling, based on the cooking parameter, the heating device to adjust an average temperature of the ingredient from the second temperature to a target temperature.