Liquid Coolant Conduit Leakage Prevention and Detection
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Solution Overview
Problem
Traditional air cooling systems are inadequate for managing the increasing heat generated by advanced electronic components, and liquid cooling systems face challenges with leakage and liquid spray that can damage IT systems, necessitating a solution that prevents and detects leakage effectively.
Innovation Solution
A closed-loop liquid cooling system comprising a liquid coolant conduit with an inner portion for containing the coolant and an outer portion equipped with a leakage/spray prevention shell and a liquid detect sensor, along with a pump and heat exchanger, to prevent leakage and detect any escape, ensuring the system's integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If liquid cooling is used to remove heat from electronic components, then heat removal efficiency is improved, but leakage and liquid spray can damage the IT system
Solution Approach 1:
The liquid coolant conduit is divided into an inner portion containing the coolant and an outer portion providing protection and detection. This segmentation creates a barrier structure that prevents direct contact between the coolant and external components, thereby preventing damage from leakage while maintaining efficient heat removal through the inner conduit walls.
Solution Approach 2:
The outer portion of the conduit acts as an intermediary barrier between the coolant and the IT system components. It includes leakage prevention features and sensor interfaces that detect coolant presence without requiring direct exposure to the coolant itself, thus preventing damage while enabling monitoring.
2Reliability
If an outer portion with leakage prevention is added to the liquid coolant conduit, then protection against leakage is improved, but device complexity increases
Solution Approach 1:
The outer portion combines multiple functions into a single integrated structure: it provides mechanical protection, prevents leakage through its barrier design, and interfaces with sensors for detection. By merging these functions into one component rather than using separate elements, the design achieves reliable leakage prevention without proportionally increasing overall device complexity.
Solution Approach 2:
The outer portion of the conduit serves multiple purposes simultaneously: it acts as a protective barrier, a leakage prevention mechanism, and a sensor interface. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity while achieving comprehensive protection.
3Measurement precision
If sensors are integrated into the conduit to detect leakage, then detection capability is improved, but manufacturing complexity increases
Solution Approach 1:
The sensor is nested within or integrated into the outer portion of the conduit structure. This nesting approach allows the sensor to be incorporated during the conduit manufacturing process itself, rather than requiring separate assembly steps. The sensor becomes an integral part of the conduit's outer layer, improving detection capability while minimizing additional manufacturing complexity.
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 effectively prevents and detects leakage, protecting IT systems from damage by containing the coolant and using sensors to alert or shut down the system if leakage occurs, thereby maintaining operational reliability and preventing damage.
Implementation Method 1
The liquid coolant conduit allows circulation of a liquid coolant to extract heat from the heat-generating electrical component
Implementation Method 2
The at least one heat exchanger is coupled to the liquid coolant conduit to extract heat therefrom
Data Source
AI summary
A closed-loop liquid cooling system includes a liquid coolant conduit, a cold plate, a pump and a heat exchanger. The liquid coolant conduit is in proximity to a heat-generating electrical component. The liquid coolant conduit allows circulation of a liquid coolant to extract heat therefrom. The liquid coolant conduit includes an inner portion that surrounds and contains the liquid coolant, and an outer portion configured to prevent or inhibit leakage of the liquid coolant from the inner portion and also detect any leakage from the inner portion. The cold plate is in thermal communication with the liquid coolant. The pump is configured to transport the liquid coolant in the liquid coolant conduit. The heat exchanger is coupled to the liquid coolant conduit to extract heat therefrom.