Back-Clip Cooling Power Matching for Portable Devices
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Solution Overview
Problem
Existing electronic devices operate cooling chips at maximum power without considering the heat dissipation capability of fans, leading to increased power consumption without significant heat dissipation effects.
Innovation Solution
A heat dissipation control method that adjusts the cooling power consumption of a cooling chip and heat removal wattage of a fan based on real-time system power consumption, using a control unit to ensure the sum does not exceed the fan's heat removal capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the cooling chip operates at maximum power, then the cooling effect is improved, but the power consumption increases without significant heat dissipation effect
Solution Approach 1:
The cooling chip's power consumption is made dynamically adjustable rather than fixed at maximum. The control unit continuously monitors system power consumption and fan heat removal capacity, then adjusts the cooling chip's power output in real-time to match actual cooling needs and available system capacity.
Solution Approach 2:
A feedback control mechanism is implemented where the control unit receives data about system power consumption and fan heat removal capacity, processes this information, and adjusts the cooling chip's power consumption accordingly. This closed-loop control ensures optimal cooling efficiency while preventing power overload.
2Power
If the cooling power consumption is increased, then the cooling capability is improved, but the sum of system power consumption and cooling power consumption exceeds the fan's heat removal capacity
Solution Approach 1:
The control unit proactively calculates the available power margin by comparing system power consumption against the fan's heat removal capacity before adjusting cooling chip power. This preliminary assessment prevents the total power from exceeding the fan's capacity, maintaining system stability while optimizing cooling performance.
Solution Approach 2:
The system dynamically changes the cooling chip's power consumption parameter based on real-time conditions. By adjusting this parameter within safe limits (where system power + cooling power ≤ fan capacity), the system achieves optimal cooling while maintaining operational reliability and preventing overload.
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
This method effectively manages power consumption and heat dissipation by reducing cooling power when the sum exceeds the fan's capacity, preventing overall power increase without effective cooling.
Implementation Method 1
the cooling chip has an adjustable cooling power consumption, and the heat dissipation fan has a heat removal wattage
Data Source
AI summary
A heat dissipation control method applicable to a portable electronic device is provided. The portable electronic device is adapted to mount a heat dissipation back clip, and the heat dissipation back clip includes a cooling chip and a heat dissipation fan. The cooling chip has an adjustable cooling power consumption, and the heat dissipation fan has a heat removal wattage. The heat dissipation control method includes: detecting a real-time system power consumption of the portable electronic device; obtaining the cooling power consumption and the heat removal wattage; determining whether a sum of the real-time system power consumption and the cooling power consumption is greater than the heat removal wattage; and lowering the cooling power consumption if the sum is greater than the heat removal wattage. An electronic device and a portable electronic device to which the heat dissipation control method is applicable are further provided.