Cooking Apparatus Power Distribution Control
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Solution Overview
Problem
Cooking apparatuses with induction heating methods face limitations in maximum output when multiple burners are used simultaneously, leading to deteriorated cooking performance due to limited power distribution.
Innovation Solution
A cooking apparatus with multiple heating coils, inverters, and a processor that adjusts power distribution by predicting power consumption based on inputted output levels and history information, reducing the output of specific heating coils to maintain overall power within predetermined limits, ensuring even power distribution across coils.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple heating coils are operated simultaneously at high output levels, then cooking performance is improved, but power consumption exceeds the predetermined power value
Solution Approach 1:
The system dynamically adjusts the output levels of heating coils in real-time based on predicted power consumption. When the sum of predicted power consumption exceeds the predetermined power value, the processor automatically reduces the output level of specific heating coils, enabling adaptive power management that maintains cooking performance within power constraints
Solution Approach 2:
The system implements a feedback mechanism where the processor continuously monitors the sum of predicted power consumption of all heating coils and compares it against the predetermined power value. Based on this feedback, the processor automatically determines subject heating coils and adjusts their output levels, creating a closed-loop control system that prevents power overload
2Reliability
If the output level of heating coils is reduced to maintain power limits, then power overload is prevented, but cooking performance deteriorates
Solution Approach 1:
The system applies local quality by selectively adjusting the output levels of specific heating coils (subject heating coils) rather than uniformly reducing all coils. The processor determines which heating coils to reduce based on predicted power consumption and history information, allowing non-subject heating coils to maintain their original output levels and thus preserving overall cooking performance while preventing power overload
3Adaptability or versatility
If power is distributed to multiple heating coils simultaneously, then versatility is improved, but power distribution becomes unbalanced
Solution Approach 1:
The system segments the power distribution management by treating each heating coil independently with its own output level control. The processor evaluates each heating coil's predicted power consumption separately and adjusts individual coil output levels, enabling balanced and efficient power distribution across multiple coils simultaneously
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 efficient use of multiple heating coils simultaneously without sudden output changes, maintaining cooking performance and preventing power overload, allowing for simultaneous operation of all coils within the available power constraints.
Implementation Method 1
a cooking apparatus which divides power efficiently in an environment wherein power is limited and provides the power to a plurality of heating coils
Data Source
AI summary
A cooking apparatus is provided. The cooking apparatus includes heating coils, an input apparatus receiving input of output levels for each of the heating coils, inverters providing driving power to each of the heating coils separately, and a processor controlling the inverters based on the inputted output levels. The processor is configured to predict the power consumption of each of the heating coils based on the inputted output levels, and based on the sum of the predicted power consumption being greater than a predetermined power value, determine a subject heating coil based on the predicted power consumption for each heating coil and history information on power adjustment of the heating coils, and control an inverter corresponding to the subject heating coil such that the subject heating coil operates at a smaller output level than a current output level.