Charcoal Grill Temperature Control With Igniter and Dual Fans
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Solution Overview
Problem
Traditional charcoal grills require lengthy preparation times and manual monitoring to achieve and maintain the desired cooking temperature, leading to inefficiencies and increased user effort.
Innovation Solution
A charcoal grill system with a charcoal cartridge and automated temperature management, utilizing an igniter, stoke fan, and cooling fan controlled by a controller to rapidly ignite and maintain the target temperature, reducing preparation time and manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If traditional charcoal grills are used without automated temperature management, then the grill can achieve cooking temperature, but the preparation time is lengthy and requires manual monitoring
Solution Approach 1:
The system employs self-service principles through automated temperature management. The controller continuously monitors temperature via the temperature sensor and automatically adjusts the charcoal cartridge combustion state by controlling the stoke fan, eliminating the need for manual monitoring and significantly reducing preparation time to as little as two minutes
Solution Approach 2:
The system implements feedback control by using a temperature sensor to continuously monitor the cooking chamber temperature and feeding this information back to the controller. The controller then adjusts the stoke fan operation accordingly to maintain the desired temperature, enabling rapid heating while minimizing manual intervention
2Measurement precision
If automated temperature management is implemented with stoke fan and cooling fan, then temperature control precision is improved, but device complexity increases
Solution Approach 1:
The system achieves precise temperature control by dynamically changing operational parameters. The controller adjusts the stoke fan speed and cooling fan operation based on real-time temperature readings, enabling precise temperature management. The complexity is managed by integrating these components into a unified automated system that reduces manual intervention requirements
3Speed
If stoke fan is used to accelerate charcoal combustion, then temperature rise speed is improved, but energy consumption increases
Solution Approach 1:
The system employs periodic action by using the stoke fan in controlled intervals rather than continuous operation. The fan is activated to accelerate combustion during the initial heating phase and then adjusted or deactivated once the target temperature is approached, reducing overall energy consumption while maintaining rapid temperature rise capability
Solution Approach 2:
The system maintains continuous useful action through automated temperature management. The controller continuously monitors temperature and adjusts the stoke fan operation to maintain optimal combustion conditions, ensuring efficient energy use while achieving rapid and precise temperature control throughout the cooking process
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 rapid temperature rise and precise temperature control, reducing preparation time to as little as two minutes and minimizing the need for manual monitoring, while ensuring food is cooked consistently and efficiently.
Implementation Method 1
activating the igniter to ignite the charcoal cartridge within the cartridge chamber
Implementation Method 2
activate the stoke fan to accelerate combustion of the charcoal cartridge
Implementation Method 3
a stoke fan configured to pump ambient air into the cartridge chamber
Implementation Method 4
a cooling fan configured to pump ambient air into the cooking chamber to cool the cooking chamber
Implementation Method 5
a temperature sensor thermally coupled to the cooking chamber
Data Source
AI summary
A method for managing temperature within a charcoal grill system includes: receiving a target grill temperature for a cooking chamber within the charcoal grill system; in response to receiving an ignition trigger, entering an ignition mode; during the ignition mode, activating an igniter within the charcoal grill system to ignite a charcoal cartridge arranged in a cartridge chamber within the charcoal grill system and activating a stoke fan coupled to the cartridge chamber to accelerate combustion of the charcoal cartridge; monitoring a temperature inside the charcoal grill system; in response to the temperature inside the charcoal grill system exceeding an ignition temperature, entering a temperature management mode; and during the temperature management mode, selectively activating the stoke fan and the cooling fan to maintain the cooking chamber at approximately the target grill temperature.