Range Hood Automatic Power Control Using Cooking Parameter Feedback
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Solution Overview
Problem
Existing range hood control systems require manual adjustment of operating power, which reduces efficiency and user experience, as they lack automatic adaptation to cooking conditions.
Innovation Solution
A method and device that acquire cooking parameters such as food weight, color, and smoke density to determine and adjust the target operating power of the range hood, allowing for automatic control based on the food's state during cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment of operating power is used, then the user can control the range hood according to actual conditions, but the control efficiency is reduced and user experience deteriorates
Solution Approach 1:
The range hood system automatically detects cooking smoke density and food state parameters, then self-adjusts the operating power of the motor without requiring manual user intervention. The control unit receives parameter data from sensors and autonomously determines the appropriate power level, making the system serve itself rather than requiring continuous user input.
Solution Approach 2:
The system continuously monitors cooking parameters (smoke density, food color, weight) through sensors and feeds this information back to the control unit. Based on the feedback, the control unit dynamically adjusts the motor power to maintain optimal cooking conditions, creating a closed-loop control system that responds to real-time changes in the cooking environment.
2Productivity
If automatic power adjustment is implemented, then control efficiency is improved, but device complexity increases
Solution Approach 1:
The control unit serves multiple functions: it receives data from various sensors (smoke density, weight, color), processes this information, determines the appropriate operating power level, and controls the motor. By making the control unit multi-functional, the patent avoids adding separate dedicated components for each function, thereby managing complexity while achieving automatic power adjustment.
Solution Approach 2:
The patent combines the control logic for multiple cooking parameters into a single integrated control unit that processes smoke density, food weight, and color information together to determine motor power. This merging of control functions into one unit reduces the overall system complexity compared to having separate control mechanisms for each parameter.
3Measurement precision
If multiple sensors are added to detect cooking parameters, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The control unit is designed to handle multiple types of sensor inputs (smoke density, weight, color) through a single integrated processing system. This multi-functional design allows the system to achieve high measurement precision across multiple parameters without requiring separate dedicated processing circuits for each sensor type, thereby managing complexity.
Data Source
AI summary
Aspects of the disclosure provide a method for controlling a range hood. The method can include acquiring a cooking parameter during cooking of food that indicates a state of the food, determining a target operating power of the range hood according to the cooking parameter, and controlling the range hood to operate according to the target operating.