Double oven cycle sync
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Solution Overview
Problem
Double oven appliances with different-sized cooking chambers and varying heating configurations pose challenges in preheating and cooking food items simultaneously, leading to uncertainty and dissatisfaction due to differing preheat and cooking times.
Innovation Solution
An oven appliance with a controller that allows for a sync mode, which adjusts the preheat cycles of both chambers to ensure they reach the desired temperature simultaneously, and then initiates a sync cooking cycle to finish cooking food items at the same time, using temperature sensors to monitor and adjust heating elements accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different-sized cooking chambers with varying heating configurations are used, then the oven can accommodate different cooking needs and capacities, but the preheat and cooking times vary between chambers causing user dissatisfaction
Solution Approach 1:
The system dynamically adjusts the preheat cycle parameters for each cooking chamber based on real-time temperature monitoring. The controller continuously adapts the heating power and duration of each chamber to compensate for size and configuration differences, ensuring synchronized preheat completion despite static physical differences between chambers.
Solution Approach 2:
Temperature sensors in each cooking chamber provide continuous feedback to the controller during preheat cycles. The controller uses this feedback to monitor heating progress and adjust the preheat cycle of each chamber independently, allowing the system to compensate for differences in chamber size and heating element configuration, thereby synchronizing preheat completion times.
2Ease of operation
If the preheat cycle is extended to ensure both chambers are ready, then both chambers can be used simultaneously, but the total cooking time increases
Solution Approach 1:
Rather than using a fixed extended preheat cycle, the system dynamically determines the preheat duration for each chamber based on real-time temperature feedback. This allows the oven to achieve simultaneous chamber readiness in the minimum necessary time by adjusting each chamber's preheat cycle individually, avoiding unnecessary time extension while ensuring both chambers are ready together.
Solution Approach 2:
The controller initiates preheat cycles for both chambers simultaneously and monitors their progress in real-time. By preparing both chambers at the same time with adaptive control, the system achieves simultaneous readiness without requiring one chamber to wait for the other, thereby minimizing total preheat time while ensuring both chambers are ready together.
3Speed
If the heating power is increased to reduce preheat time, then preheat is faster, but temperature control precision decreases
Solution Approach 1:
The heating elements operate in periodic cycles rather than continuously at maximum power. The controller applies high power in intervals followed by pauses, allowing the chamber to approach the target temperature progressively. This periodic heating approach enables fast preheat while maintaining temperature control precision through controlled on-off cycles based on real-time temperature feedback.
Solution Approach 2:
The heating power is dynamically adjusted during the preheat cycle based on real-time temperature feedback. The system starts with higher power to accelerate heating, then progressively reduces power as the target temperature approaches, maintaining precision throughout the process. This dynamic power adjustment enables both fast preheat and accurate temperature control.
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
Ensures that both cooking chambers preheat and finish cooking food items at the same time, providing a synchronized cooking experience and reducing user uncertainty.
Implementation Method 1
one or more heating elements positioned at a top portion, bottom portion, or both of the cooking chambers
Implementation Method 2
Some oven appliances also include a convection heating element and fan for convection cooking cycles
Data Source
AI summary
An oven appliance having at least two cooking chambers with features for ensuring the cooking chambers exit preheat and finish cooking food items within each cooking chamber at the same time is provided. A method for operating an oven appliance having at least two cooking chambers also is provided. The method includes features for ensuring the cooking chambers exit preheat and finish cooking food items within each cooking chamber at the same time.