Dew Point Coolant Flow Control for Condensation-Safe Electronics Cooling
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Solution Overview
Problem
Existing water-cooling heat dissipation systems for high heat-generating components in electronic devices face challenges in real-time precision control of condensate water generation, requiring labor-intensive manual monitoring and lacking effective methods to maintain optimal coolant flow rates to prevent condensation.
Innovation Solution
A system and method that utilizes temperature and humidity sensors to derive dew point temperatures and adjust coolant flow rates based on the difference between coolant temperature and dew point temperature, switching between first and second flow rates to prevent condensate formation and optimize heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If water temperature is reduced to meet heat dissipation requirements, then heat dissipation capacity is improved, but condense water is generated causing malfunctions or damages
Solution Approach 1:
The system dynamically adjusts coolant flow rate as a parameter based on the temperature difference between coolant and dew point. When the temperature difference is large, higher flow rate is used for enhanced heat dissipation; when the difference is small, flow rate is reduced to prevent condensation. This parameter adjustment resolves the contradiction between heat dissipation capacity and condensation prevention.
Solution Approach 2:
The system continuously monitors temperature and humidity to calculate dew point, then uses this feedback to adjust coolant flow rate in real-time. The controller receives sensor data, computes the temperature difference, and automatically modulates the flow rate accordingly, creating a closed-loop control system that prevents condensation while maintaining heat dissipation efficiency.
2Object-affected harmful factors
If manual control is used to adjust water temperature, then condense water generation is reduced, but real time monitoring becomes time consuming and labor intensive
Solution Approach 1:
The system performs self-monitoring and self-adjustment through automated sensors and controllers. Temperature and humidity sensors continuously measure environmental conditions, the controller calculates dew point, and the system automatically modulates coolant flow rate without human intervention. This eliminates the need for manual monitoring while maintaining effective condensation prevention.
Solution Approach 2:
The patent replaces manual mechanical control with an automated electronic control system. Sensors, controllers, and flow rate modulation devices substitute for human operators, enabling continuous real-time monitoring and adjustment without labor intensity. The electronic system processes data and executes control actions automatically, resolving the time loss issue.
3Object-affected harmful factors
If manual control is used to adjust water temperature, then condense water generation is reduced, but precision control becomes hard to achieve
Solution Approach 1:
The system replaces imprecise manual control with precise electronic sensing and automated control. Temperature and humidity sensors provide accurate real-time measurements, the controller precisely calculates dew point using these measurements, and the flow rate is automatically adjusted with fine-grained precision. This electronic system achieves much higher measurement and control precision than manual methods.
Solution Approach 2:
The closed-loop feedback system continuously monitors temperature and humidity, calculates dew point, and adjusts flow rate based on the temperature difference. This real-time feedback enables precise control by making small, targeted adjustments to maintain the optimal temperature margin above dew point, achieving precision that is difficult to attain with manual control.
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
Effectively prevents condensate formation and maintains efficient heat dissipation by dynamically adjusting coolant flow rates, ensuring optimal operation of electronic devices without condensation risks.
Implementation Method 1
a heat dissipation unit thermal exchangeably attached to a heat-generating component
Implementation Method 2
supplying coolant to the heat dissipation unit under a first flow rate
Implementation Method 3
obtaining a dew point temperature based on a temperature and a humidity measured in the space
Implementation Method 4
a cooling device in fluid communication with and configured to supply coolant to the heat dissipation unit
Data Source
AI summary
The present application provides a heat dissipation system and method for electronic devices. The system includes a heat dissipation unit attached to electronic component of an electronic device, a temperature and humidity sensor, a cooling unit and a controller. The controller is configured to obtain the dew point temperature of the space in which the cooling unit is disposed and to determine a coolant flow rate based on the dew point and the coolant temperature. In the event where the difference between the coolant temperature and the dew point is greater than a threshold, the heat dissipation unit receives the coolant under a first flow rate. In the event where the difference between the coolant temperature and the dew point is equal to or less than the threshold, the heat dissipation unit receives the coolant under a second flow rate lower than the first flow rate.