Stovetop Safety System with Sensor-Based Automatic Burner Shutoff
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Solution Overview
Problem
Stove-related fires pose a significant risk, particularly in households with older users or those with mental or physical disabilities, often due to unattended stove-top burners and forgetfulness, leading to accidents and injuries.
Innovation Solution
A stovetop safety system incorporating sensors to detect object presence and burner status, a microcontroller with timers, and a signal output device to alert users or remote devices, which can automatically deactivate the burner if a threshold cooking or non-cooking time is exceeded.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If stove-top burners are left on without supervision, then cooking can be completed, but the risk of fires and accidents increases significantly
Solution Approach 1:
The system continuously monitors burner status and sends notifications to mobile devices, creating a feedback loop that alerts users when burners are left on. The microcontroller tracks burner operation states and communicates with remote devices to provide real-time feedback about cooking status and safety conditions.
Solution Approach 2:
The system performs preliminary safety checks by detecting burner status before harmful effects can occur. Sensors monitor the stove top surface temperature and burner state, and the system prepares to alert users or automatically shut off burners before fire hazards develop.
2Reliability
If sensors and monitoring systems are added to the stove, then safety is improved, but device complexity increases
Solution Approach 1:
The microcontroller serves multiple functions: it monitors burner status, tracks cooking time, controls signal output devices, communicates with remote devices, and manages automatic shut-off operations. This multi-functionality reduces the need for separate dedicated components for each safety function.
Solution Approach 2:
The system combines temperature sensing, timer functionality, communication capabilities, and control logic into an integrated stove top safety system. The microcontroller consolidates multiple control functions, and the sensor network is merged with the existing stove top structure.
3Reliability
If the system automatically deactivates burners, then accident prevention is enhanced, but ease of operation may be reduced
Solution Approach 1:
The system applies preliminary anti-action by preparing to shut off burners automatically when unsafe conditions are detected, such as when the stove top surface temperature exceeds thresholds or when burners are left on for extended periods. This preventive measure counteracts potential harmful actions before they occur.
Solution Approach 2:
The safety system operates autonomously by self-monitoring burner status, self-detecting unsafe conditions through sensors, and self-executing shut-off commands when thresholds are exceeded. The system serves its own safety function without requiring constant user intervention, though users can override or adjust settings.
Data Source
AI summary
A cooking device safety system and smart system method embodiments are described herein. The system includes cooking device, at least one first sensor to detect the presence of an object on or adjacent to a stovetop burner, at least one second sensor to detect a condition of the stovetop burner, at least one third sensor to detect weight of the object on the burner and/or temperature of the burner, a microcontroller to detect a date and time of use of the cooking device, wherein the system collects and stores data related to the inputs from the first sensor, second sensor and/or third sensor(s) to determine a cooking pattern of a user. The system further includes wherein based on the cooking pattern of the user, the system provides an output to the user via a signal output device, and at least one transceiver to send a signal from the first, second and/or third sensor(s) to a remote device.