Vapor Chamber Heat Spreader Mounting for High-Power Desktop Cooling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing systems and methods for cooling high-performance compact desktop systems are inadequate, as they typically support CPU power up to 45 watts and GPU power up to 80 watts, which is far below the performance targets for high-performance compact desktops that require CPU power at 95 watts or above and GPU power at 180 watts or above. Additionally, these systems are often thick and bulky, making them unsuitable for compact, thin chassis.
Innovation Solution
A system and method that utilize a unified heat spreader, such as a vapor chamber, to cover multiple heat sources including the CPU, GPU, and other critical components. This heat spreader is designed to provide enhanced cooling capabilities by transferring heat efficiently to a heat sink, which is configured as an air-cooling system. The system also employs a split duct design for airflow and a system backplate to integrate the CPU board, GPU board, and cooling systems, while avoiding the need for through holes in the vapor chamber to maintain thermal efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If traditional cooling systems are used, then they support lower power requirements (CPU up to 45 watts, GPU up to 80 watts), but they cannot meet the performance targets for high-performance compact desktops (CPU 95 watts or above, GPU 180 watts or above)
Solution Approach 1:
The patent merges multiple cooling functions into a unified vapor chamber that covers both CPU and GPU heat sources simultaneously. This integrated approach allows the system to handle higher combined power loads (CPU 95W+ and GPU 180W+) while maintaining compact form factor, resolving the contradiction between power handling capacity and cooling effectiveness.
Solution Approach 2:
The vapor chamber is designed as a universal cooling solution that serves multiple heat sources (CPU, GPU, and other critical components) with a single device. This multi-functional design enables the system to meet high-performance power requirements while maintaining reliable cooling across all components.
2Temperature
If traditional cooling systems are used, then they provide adequate cooling for lower power components, but they become thick and bulky making them unsuitable for compact, thin chassis
Solution Approach 1:
By combining multiple cooling functions into a single vapor chamber structure, the system achieves adequate cooling performance for high-power components without requiring multiple separate cooling devices that would increase chassis thickness. The unified design maintains thin profile while providing effective heat dissipation.
Solution Approach 2:
The vapor chamber technology enables a fundamental change in the thermal management approach, transitioning from traditional thick heat sinks to a more efficient phase-change-based cooling system. This parameter change allows maintaining cooling performance while significantly reducing the length/thickness of the cooling system to fit compact chassis.
3Strength
If through holes are added to the vapor chamber for mounting, then the heat spreader can be secured to the substrate, but thermal efficiency is compromised
Solution Approach 1:
The patent applies local quality by providing structural support and mounting capability at specific locations (through mounting brackets attached to the bottom surface) rather than compromising the entire vapor chamber structure with through holes. This localized approach maintains thermal efficiency in the critical heat transfer paths while providing secure mounting where needed.
Solution Approach 2:
The mounting brackets serve as intermediary elements that provide the necessary mechanical connection between the vapor chamber and substrate without requiring direct through-hole penetration of the vapor chamber itself. This mediator approach preserves the thermal integrity of the vapor chamber while achieving secure mounting.
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 proposed system effectively mitigates heat in high-performance compact desktop systems, supporting higher power requirements for both CPU and GPU while maintaining a compact form factor. This results in improved performance, reduced thermal challenges, and enhanced reliability by ensuring that all critical components are adequately cooled, even during overclocking conditions.
Implementation Method 1
A system and method are provided to help mitigate heat in an electronic device. An electronic device is disclosed that includes a substrate, a plurality of heat sources on the substrate, a heat spreader that extends over the plurality of heat sources
Implementation Method 2
This heat spreader is designed to provide enhanced cooling capabilities by transferring heat efficiently to a heat sink
Implementation Method 3
a heat sink, configured as an air-cooling system
Data Source
AI summary
Particular embodiments described herein provide for an electronic device that can be configured to include a substrate, a plurality of heat sources on the substrate, a heat spreader that extends over the plurality of heat sources, and a plurality of heat spreader mounting brackets. Each of the plurality of heat spreader mounting brackets are over a corresponding heat source from the plurality of heat sources and the plurality of heat spreaders secure the heat spreader to the substrate without extending through the heat spreader. In some examples, the heat spreader is a vapor chamber and the plurality of heat spreader mounting brackets are soldered to the vapor chamber.