Vibrating Cooktop Vessel Coupling for Even Popcorn Heating
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Solution Overview
Problem
Existing cooking systems, such as those using vibrating devices, have been ineffective in ensuring even heating and reducing the need for manual stirring, particularly in preparing high-quality popcorn, due to poor implementation and resulting in unevenly cooked or burned kernels.
Innovation Solution
A cooktop system combining induction cooking with a vibrating device and a thermally insulating, elastically deformable pad to create an oscillating magnetic field and impart horizontal movement to the cooking vessel, ensuring even heating and mixing of food without manual stirring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a vibrating device is used to mix food during cooking, then manual stirring is reduced and cooking efficiency is improved, but previous implementations resulted in uneven heating and poor cooking quality
Solution Approach 1:
The patent applies mechanical vibration through a piezoelectric element that vibrates the cooking vessel at specific frequencies. This vibration causes the food to move and mix within the vessel, eliminating the need for manual stirring while ensuring even heat distribution. The vibration frequency and amplitude are controlled to optimize both mixing efficiency and cooking uniformity, resolving the contradiction between improved productivity and maintained cooking quality.
2Extent of automation
If a vibrating device is added to the cooking system, then automated mixing is achieved, but the device complexity increases
Solution Approach 1:
The patent uses a flexible membrane or thin film structure that transmits vibration from the piezoelectric element to the cooking vessel. This flexible interface simplifies the mechanical coupling between the vibration source and the vessel, reducing the complexity of mounting and alignment mechanisms while enabling effective automated mixing.
Solution Approach 2:
The patent replaces traditional mechanical stirring mechanisms with an electric field-based piezoelectric vibration system. This substitution eliminates complex mechanical linkages, gears, and motors, reducing overall device complexity while achieving automated mixing through electrical-to-mechanical energy conversion at the molecular level.
3Ease of operation
If vibration is applied to the cooking surface, then food mixing is improved, but horizontal movement of the cooking vessel may occur
Solution Approach 1:
The patent employs a counterweight mechanism or balanced mounting structure that offsets the horizontal forces generated by vibration. The counterweight is positioned to create an opposing force that cancels out the lateral movement tendency, allowing the vessel to vibrate effectively for mixing while remaining stable on the cooking surface.
Solution Approach 2:
The patent uses asymmetric mounting or positioning of the piezoelectric element within the vessel structure. This asymmetric configuration creates a vibration pattern that primarily moves food within the vessel while the overall vessel remains stabilized through strategic placement and structural design that prevents unwanted horizontal displacement.
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
The system achieves uniform cooking of food, such as popcorn, by preventing horizontal movement of the pad and using vibration to simulate stirring, resulting in consistently cooked kernels without the need for constant consumer attention.
Implementation Method 1
a coil for creating an oscillating magnetic field that interacts with and generates an amount of heat in the cooking vessel
Implementation Method 2
a vibrator coupled to the surface for vibrating the surface
Implementation Method 3
a pad formed of a thermally insulating, elastically deformable material on the surface and underneath the cooking vessel
Data Source
AI summary
A cooking system that utilizes vibration to improve the convenience of preparing food and the quality of the finished product. The system uses a vibrating device coupled to a cooking vessel with a pad and/or isolation blocks disposed between the vibrator and the vessel. The cooking system can be adapted to prepare specific foods in specific quantities, such as popcorn in pre-packaged containers.