Oven Cooking Time Adjustment for Concurrent Heating Without Preheating
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Solution Overview
Problem
The inefficiency in cooking frozen or thawed food items due to the need to preheat the oven to the desired temperature before inserting the food, resulting in wasted energy and time, as the food is not immediately placed in the oven when the cooking temperature is reached.
Innovation Solution
A system that captures and stores cooking information based on the oven's heating ability, allowing food to be inserted at the start of oven heating, with a device that senses the actual temperature of the food and recomputes cooking time to reflect concurrent heating, thereby eliminating the preheating period.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the oven is preheated to the desired temperature before inserting the food, then the food can be cooked at the optimal temperature, but time and energy are lost during the preheating period
Solution Approach 1:
The system performs preliminary measurement of the oven's heating rate before cooking begins. By characterizing the oven's thermal properties in advance (measuring temperature rise over time during preheating), the system can predict when the optimal cooking temperature will be reached and calculate the exact cooking time needed, eliminating the need to wait for preheating to complete before starting the cooking timer.
Solution Approach 2:
The system continuously monitors the oven's actual temperature during preheating and uses this feedback to dynamically adjust the cooking time calculation. By measuring the real-time temperature rise and comparing it to the predicted heating curve, the system can accurately determine when the food should be inserted and how long it should cook, ensuring optimal cooking temperature is achieved without wasting time.
2Temperature
If the oven is preheated to the desired temperature before inserting the food, then the food can be cooked at the optimal temperature, but energy is wasted during the preheating period
Solution Approach 1:
The system performs preliminary measurement of the oven's heating rate and thermal characteristics before cooking begins. By characterizing the oven's heating behavior in advance (measuring energy consumption and temperature rise during preheating), the system can optimize the preheating process and calculate precise cooking times, reducing unnecessary energy waste while maintaining optimal cooking temperature.
Solution Approach 2:
The system dynamically adjusts cooking parameters based on real-time temperature monitoring during preheating. By continuously measuring the oven's actual thermal response and adapting the cooking time calculation accordingly, the system ensures energy is used efficiently - heating the oven only as much and as long as necessary to achieve optimal cooking conditions.
3Reliability
If the cooking time is based on the oven reaching the suggested temperature, then the food can be cooked properly, but the food is not inserted immediately when heating starts
Solution Approach 1:
The system performs preliminary measurement of the oven's heating characteristics and stores this thermal profile data. This preliminary characterization allows the system to calculate accurate cooking times based on the actual heating rate, enabling food to be inserted immediately when heating starts while still ensuring proper cooking quality through dynamically adjusted timing.
Solution Approach 2:
The system changes the cooking time parameter dynamically based on the oven's actual heating performance. Instead of using a fixed time based on ideal preheating conditions, the system continuously monitors temperature rise and adjusts the cooking time parameter in real-time, maintaining cooking quality while maximizing efficiency by allowing immediate food insertion.
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 approach enables a one-step cooking procedure, saving time and energy by ensuring the food is cooked efficiently without the need for preheating, while ensuring the food is cooked to the desired temperature and safety standards.
Implementation Method 1
warming of the oven to the desired temperature
Implementation Method 2
heat transferred (Q1) during the time period
Implementation Method 3
senses the actual temperature being sensed in the food item
Implementation Method 4
heat transferred (Q1) during the time period
Implementation Method 5
heat transferred (Q2) during the time period
Data Source
AI summary
A method and device for computing the heat transferred during the period of time the oven takes to reach a predetermined cooking temperature comprising: at least one processor for estimating a first cooking time; a memory; an input for inputting the first cooking time and the amount of time an oven takes to achieve a series of cooking temperatures; the at least one processor operating to estimate the heat transferred to the food during the time period that the oven takes to reach the predetermined cooking temperature; the at least one processor operating to compute the amount of heat transferred to the food per unit time at the predetermined cooking temperature, and the at least one processor operating to calculate a reduced cooking time needed to cook the food based upon insertion of food into the oven at a temperature other than the predetermined cooking temperature.