Dual-Loop Liquid Cooling With Thermoelectric Heat Transfer
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Solution Overview
Problem
Conventional water cooling systems face limitations in cooling efficiency due to confined spaces in electronic devices, necessitating improved heat dissipation solutions.
Innovation Solution
A liquid cooling system incorporating a cold plate, thermoelectric cooler module, and independent circulation loops with separate working fluids, enhanced by fans and a micro pump, to efficiently dissipate heat from electronic components without increasing space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional water cooling systems are used, then heat dissipation is provided, but cooling efficiency is constrained by limited space in electronic devices
Solution Approach 1:
The cooling system is divided into two independent circulation loops: a first loop (water cooling) for high-heat components and a second loop (thermoelectric cooling) for moderate-heat components. Each loop operates independently with its own pump, radiator, and control parameters, allowing optimized cooling efficiency for each component type without requiring a single large-scale system that would consume excessive space.
Solution Approach 2:
The thermoelectric cooler module is integrated within the cold plate structure, and the cold plate is itself part of the water cooling system. This nested arrangement allows the thermoelectric cooling mechanism to be housed within the existing water cooling infrastructure, maximizing space utilization by placing one cooling system inside another rather than requiring separate dedicated spaces for each cooling mechanism.
2Temperature
If cooling efficiency is enhanced through additional components, then heat dissipation improves, but device complexity increases
Solution Approach 1:
The system separates cooling responsibilities into two distinct loops with different cooling mechanisms (water cooling and thermoelectric cooling), allowing each loop to be optimized independently for its specific thermal requirements. This segmentation enables targeted heat dissipation strategies without requiring a single complex unified system.
Solution Approach 2:
The cold plate serves dual functions: it acts as a heat transfer component in the water cooling loop while simultaneously housing the thermoelectric cooler module for active cooling. The pump module also provides both circulation function and integrated control capabilities. This multi-functionality reduces the need for separate dedicated components, thereby managing 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 achieves enhanced cooling efficiency by actively managing temperature through independent fluid loops and thermoelectric cooling, extending the lifespan of electronic components in compact devices.
Implementation Method 1
a thermoelectric cooler module having a hot side and a cold side that are opposite each other, wherein the cold side is thermally coupled to the first water block, and the hot side is thermally coupled to the cold plate
Implementation Method 2
the first fans are disposed on the first radiator and the second fan is disposed on the second radiator, the first fans and the second fan being configured to dissipate heat from the first radiator and the second radiator, respectively
Implementation Method 3
configured to circulate a first working fluid and a second working fluid within the liquid cooling system to dissipate heat from connected components
Implementation Method 4
the first water block, the second water block, and the first radiator are fluidly connected via the first pipes to form a first circulation loop
Data Source
AI summary
A liquid cooling system includes a cold plate, a first water block and a second water block, a first radiator and a second radiator, a plurality of first fans and at least one second fan, a plurality of first pipes connecting the first water block and the second water block to the first radiator, and a plurality of second pipes connecting the cold plate to the second radiator, respectively configured to circulate a first working fluid and a second working fluid within the liquid cooling system to dissipate heat from connected components, and a thermoelectric cooler module having a hot side and a cold side that are opposite each other. The cold side is thermally coupled to the first water block, and the hot side is thermally coupled to the cold plate.