Smart Fan Control via UEFI BIOS Graphical Interface
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Solution Overview
Problem
Current smart fan control methods in computer systems are inefficient due to limited display options in BIOS mode, making it difficult for users to monitor and adjust fan speeds based on real-time temperature and speed conditions, leading to suboptimal heat dissipation and noise management.
Innovation Solution
A control method for smart fans in UEFI BIOS mode that uses a graphical interface to display real-time temperature and speed curves, allowing users to set control points and calculate a control slope to dynamically adjust fan speeds, with features like switch icons for multiple sensors and fans, and alerting mechanisms for speed limits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional text-based display in BIOS is used for smart fan control, then device complexity is reduced, but user monitoring capability and control efficiency deteriorate
Solution Approach 1:
The patent transitions from traditional text-based BIOS display to a graphical interface with visual curves and charts, adding a visual dimension to the control interface. This allows users to see real-time temperature and speed curves, control points, and operational states graphically rather than through text, significantly improving monitoring capability without increasing underlying system complexity
Solution Approach 2:
The patent creates visual copies of operational data through graphical representations. Temperature values and speed values are copied into visual curve forms that can be displayed on screen, allowing users to perceive real-time changes and trends without dealing with raw numerical data, thus improving information visibility
2Temperature
If multiple smart fans are deployed in the computer, then heat dissipation coverage is improved, but monitoring and control difficulty increases
Solution Approach 1:
The patent segments the control interface to handle multiple smart fans independently. Each smart fan can be selected and controlled separately through the graphical interface, with individual temperature and speed curves displayed for each device. This segmentation allows users to monitor and adjust each fan's operation independently, making multi-fan management as easy as single-fan control
Solution Approach 2:
The graphical interface provides universal control capabilities that work for any number of smart fans. The same visual display and control mechanisms can be applied to one fan or multiple fans simultaneously, making the system scalable and easy to operate regardless of fan quantity
3Device complexity
If fixed speed operation is used for traditional fans, then device complexity is reduced, but heat dissipation efficiency and noise control deteriorate
Solution Approach 1:
The patent implements dynamic speed control for smart fans based on real-time temperature conditions. The graphical interface displays real-time speed curves that show how fan speed changes dynamically in response to temperature variations. Users can set control points that define speed adjustments at different temperature thresholds, enabling the fan to operate at optimal speeds for current thermal conditions rather than running at fixed speed
Solution Approach 2:
The system incorporates feedback mechanisms where temperature sensor data is continuously monitored and fed back to the control interface. The graphical display shows real-time temperature curves and corresponding speed adjustments, allowing users to see the feedback loop in action and make informed adjustments to control parameters for optimal heat dissipation efficiency
Data Source
AI summary
A computer and a control method for smart fan thereof are provided, wherein the computer includes a processor configured to control a smart fan under an UETFI bios mode. A sensed temperature value from a temperature sensor, and a current speed value of the smart fan are acquired. A real-time temperature curve and a real-time speed curve are traced in a dynamic updating zone of a graphical interface respectively according to the current temperature and the current speed value. A first control point and a second control point, which correspond to the smart fan, are obtained via a control zone of the graphical interface. A control curve is traced in the graphical interface according to the first and second control points. The speed of the smart fan is controlled according to the control curve.