Cooking system with multiple heating elements
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Solution Overview
Problem
Cooking systems with multiple heating elements often result in uneven heating due to a single temperature feedback location, leading to inconsistent cooking and unnecessary power consumption, as all heating zones are heated simultaneously regardless of food distribution.
Innovation Solution
Implementing a cooking system with individually controllable heating zones, each equipped with a temperature sensor and separate heating circuit, allowing for independent temperature control and power adjustment based on sensed temperature drops, ensuring uniform heating and reducing power usage by only applying power to the zones in use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single temperature feedback location is used for all heating zones, then the device complexity is reduced, but the temperature control precision and cooking consistency deteriorate
Solution Approach 1:
The cooking surface is divided into multiple independent heating zones, each with its own temperature sensor and heating element. This segmentation allows each zone to be controlled independently, improving temperature control precision without requiring a single complex centralized system.
Solution Approach 2:
Each heating zone has its own temperature feedback mechanism, allowing local temperature control tailored to the specific cooking needs of each zone. This ensures that temperature control precision is maintained locally while the overall system remains manageable.
2Speed
If all heating zones are heated simultaneously, then the cooking speed is improved, but the energy consumption increases unnecessarily
Solution Approach 1:
The heating system dynamically adjusts which zones are active based on real-time temperature sensor feedback and cooking requirements. This allows the system to maintain fast cooking speeds in active zones while reducing or eliminating power consumption in inactive zones, optimizing the balance between cooking speed and energy efficiency.
Solution Approach 2:
Temperature sensors in each zone provide continuous feedback to the controller, which adjusts heating element activation accordingly. This feedback mechanism ensures that heating is applied only where and when needed, maintaining cooking speed while preventing unnecessary energy consumption.
3Measurement precision
If multiple heating zones with individual control are implemented, then the temperature control precision is improved, but the device complexity increases
Solution Approach 1:
The controller is designed to manage multiple heating zones through a unified interface and control logic, allowing it to perform multiple functions (controlling different zones independently or in combination) without requiring separate control systems for each zone. This reduces the overall device complexity while maintaining temperature control precision.
Solution Approach 2:
Multiple temperature sensors and heating elements are integrated under a single controller that manages them as a coordinated system. This merging of control functions allows precise temperature control across multiple zones while avoiding the complexity of multiple independent control systems.
4Reliability
If power is applied to all heating zones continuously, then the cooking consistency is improved, but the energy efficiency deteriorates
Solution Approach 1:
The heating system uses periodic temperature monitoring and controlled heating cycles in each zone, activating heating elements only when temperature drops below a threshold. This periodic action maintains consistent cooking temperatures where needed while minimizing energy consumption in zones that don't require continuous heating.
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 provides consistent temperature control across the cooking surface, reducing power consumption by dynamically adjusting power distribution to maintain uniform heating only where needed, enhancing cooking efficiency and consistency.
Implementation Method 1
a heating element disposed beneath the heating zone and configured to provide heat to the heating zone
Implementation Method 2
a temperature sensor configured to detect a temperature for the heating zone separately from the temperatures of other heating zones
Data Source
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Figure 3
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AI summary
Examples are disclosed herein that relate to a cooking system having multiple heating elements for heating a cooking surface. One example provides a cooking system, comprising a continuous cooking surface comprising a plurality of individually controllable heating zones, and for each heating zone, a temperature sensor configured to detect a temperature for the heating zone separately from the temperatures of other heating zones, and a heating element disposed beneath the heating zone and configured to provide heat to the heating zone. The cooking system further comprises a controller configured to individually control the heating element of each heating zone.