Controller for popcorn popper
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Solution Overview
Problem
Existing popcorn cooking methods require manual monitoring and skill to avoid burning, and often result in inconsistent results due to variations in heating and kernel popping, with traditional devices lacking the ability to cook in oils or seasonings effectively.
Innovation Solution
A popcorn popper with a controller that adjusts the heating element and vibration to efficiently cook popcorn, using temperature sensors to maintain optimal temperatures and reduce power as kernels pop, while compensating for voltage variances and ensuring consistent results through automated processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual monitoring and adjustment of heat is used to cook popcorn, then the user can avoid burning by watching and listening, but the process becomes complex and requires constant user attention and skill
Solution Approach 1:
The popcorn popper automatically monitors its own cooking state using temperature sensors and acoustic sensors to detect when popping is complete, then self-regulates the heating element to avoid burning without requiring user intervention. The system serves itself by detecting the transition from active popping to residual popping phase and autonomously adjusting power levels.
Solution Approach 2:
The device incorporates temperature sensors that continuously monitor the cooking temperature and acoustic sensors that detect popping sounds, feeding this information back to the controller. The controller uses this feedback to automatically adjust the heating element's power output, reducing power when popping slows down to prevent burning while maintaining optimal temperature during active popping.
2Productivity
If high power is used to quickly pop kernels, then cooking time is reduced, but the risk of burning increases as popcorn becomes more susceptible to burning during later stages
Solution Approach 1:
The heating element's power output is dynamically adjusted throughout the cooking process based on real-time feedback from temperature and acoustic sensors. The system starts with high power to quickly reach popping temperature, then automatically reduces power as the acoustic signal indicates popping is completing, creating a dynamic power profile that maximizes efficiency while minimizing burning risk.
Solution Approach 2:
The controller periodically samples acoustic signals and temperature data during the cooking process to determine when to adjust power levels. This periodic monitoring allows the system to maintain high power during the active popping phase when needed for speed, then transition to lower power levels when the acoustic signal indicates popping is winding down, preventing burning.
3Productivity
If temperature is maintained at optimal level for popping, then popping efficiency is maximized, but the system cannot adapt to voltage variances and maintain consistent results
Solution Approach 1:
The system continuously monitors the actual temperature achieved and the acoustic popping signal, using this feedback to adjust power delivery in real-time. This feedback mechanism compensates for voltage variances by detecting when the heating element is not reaching the expected temperature or when popping is taking longer than anticipated, then automatically adjusting power to maintain consistent popping results regardless of input voltage fluctuations.
Solution Approach 2:
The controller dynamically changes operational parameters including power level, heating duration, and vibration timing based on actual cooking conditions. When voltage variances cause deviations from expected temperature or time parameters, the system adjusts these parameters to compensate, ensuring consistent popping efficiency and results across different electrical conditions.
4Manufacturing precision
If pre-measured cartridges are used for single serving, then measurement precision is improved and consistency is achieved, but the device complexity increases
Solution Approach 1:
The popcorn portions are pre-measured and pre-packaged in cartridges before use, with each cartridge containing the exact amount of popcorn needed for a single serving. This preliminary preparation of precise portions eliminates the need for user measurement, ensuring consistent results while the device itself remains relatively simple in structure.
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 solution provides efficient, consistent, and easy-to-use popcorn cooking that minimizes burning, achieving high popping efficiency with over 90% of kernels popped without significant overcooking or burning, while allowing cooking in oils and seasonings.
Implementation Method 1
heats a vessel which contains popcorn kernels utilizing a heating element
Implementation Method 2
a vibration element, the vibration element when activate vibrates the vessel, thereby vibrating the popcorn kernels
Data Source
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AI summary
A popcorn popper configured to cook popcorn includes a vessel and an electric heating element which heats the vessel. A vibration element vibrates the vessel and a controller controls the heating element and the vibration element. A temperature sensor is in communication with the controller such that the controller can receive temperature readings from the temperature sensor indicative of a temperature of the vessel. The controller activating the heating element to heat the vessel which contains the popcorn until the temperature sensor indicates that a first temperature has been reached. The controller, based on readings from the temperature sensor, maintains the vessel at a second temperature by controlling a power setting of the heating element and the controller activates the vibration element to vibrate the vessel which thereby vibrates the popcorn. The controller after maintaining the vessel at the second temperature, reduces the power of the heating element.