Induction Cooktop Temperature Control via Sensor Feedback
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Solution Overview
Problem
Existing cooktops, including induction models, lack advanced control mechanisms to precisely manage heat transfer to food substances, leading to inefficiencies in temperature control and consistency.
Innovation Solution
An induction cooktop equipped with temperature sensors and a controller that follows a programmable cooking sequence, allowing for precise control of heat transfer by adjusting power levels and temperature settings based on measured vessel and food substance temperatures, enabling customizable cooking profiles and sequences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a control mechanism is provided for controlling the amount of heat transferred to a cooking vessel, then temperature control capability is improved, but device complexity increases
Solution Approach 1:
The control mechanism is divided into multiple independent components: a controller unit, temperature sensors (first and second sensors), and a memory storing cooking sequences. Each component performs a specific function, allowing the system to achieve sophisticated temperature control without requiring the entire system to be overly complex. The segmentation enables modular design and easier maintenance.
Solution Approach 2:
The memory stores pre-programmed cooking sequences that define multiple stages of heating with specific temperature targets, power levels, and durations. This preliminary preparation of control parameters allows the controller to automatically execute complex temperature profiles without real-time user intervention, simplifying the operational complexity while maintaining advanced temperature control capabilities.
2Manufacturing precision
If multiple temperature sensors and programmable cooking sequences are implemented, then manufacturing precision and temperature consistency are improved, but device complexity increases
Solution Approach 1:
The system employs multiple temperature sensors that continuously monitor temperatures at different locations (e.g., cooking vessel temperature and food substance temperature). The controller receives this feedback and dynamically adjusts the power delivered to the induction element to maintain the desired temperature profile. This closed-loop feedback mechanism ensures high temperature consistency while using standardized off-the-shelf components to manage complexity.
Solution Approach 2:
The memory stores multiple cooking sequences with varying parameters including temperature targets, power levels, and stage durations. The controller can select and execute different sequences based on the specific cooking requirements, allowing the system to adapt to various manufacturing and cooking scenarios without requiring hardware changes. This parameter-based flexibility achieves precision while keeping the physical device complexity manageable.
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 solution provides users with improved control over heat transfer and temperature management, ensuring accurate and efficient cooking processes by maintaining set temperatures and adjusting power levels dynamically, accommodating various cooking styles and food types.
Implementation Method 1
an induction element for heating a cooking vessel containing a food substance
Implementation Method 2
an induction element for heating a cooking vessel containing a food substance
Data Source
AI summary
The present disclosure describes an induction cooker (100) having an induction element (104) for heating a cooking vessel (106) containing a food substance. The induction cooker (100) also has a temperature sensor (120) for measuring a temperature of the cooking vessel (106) or food substance. A memory is also includes having stored therein a cooking sequence. The cooking sequence includes sequential stages, each stage being defined by a set temperature to be reached by the cooking vessel (106) or food substance, a set maximum power applied to the induction element (104) during heating and a time associated with the stage. A controller is included for retrieving the cooking sequence and controlling the induction element (104) based upon the cooking sequence and the temperature measured.