Transceiver Internal Heat Sink for Vertical Stacking Cooling
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Solution Overview
Problem
Conventional transceiver modules face inefficiencies in heat dissipation, particularly for high-speed optical transceivers, as external heat sinks cool all components equally and prevent vertical stacking due to inadequate heat dissipation for lower components in densely arranged configurations.
Innovation Solution
The implementation of a transceiver module with internal heat sinks thermally coupled to specific components and air flow apertures for direct cooling, allowing air to flow in and out to dissipate heat efficiently, while enabling vertical stacking by ensuring each module receives adequate cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If external heat sinks are used to cool transceiver modules, then heat dissipation is achieved, but all components are cooled equally and vertical stacking is prevented due to inadequate heat dissipation for lower components
Solution Approach 1:
The invention divides the heat dissipation function into module-level components, with each transceiver module having its own internal heat sink rather than relying on a shared external heat sink. This segmentation allows each module to independently manage its thermal load, enabling vertical stacking while maintaining adequate cooling for all components including those in lower positions.
Solution Approach 2:
The invention implements heat sinks at the local level within each transceiver module, allowing tailored heat dissipation solutions for specific high-heat components (such as lasers and photodetectors) rather than uniform cooling. This local quality approach ensures critical components receive appropriate cooling while enabling modular stacking configurations.
2Productivity
If transceiver modules are densely packed to increase system capacity, then productivity improves, but heat dissipation becomes inadequate for lower components in vertical stacks
Solution Approach 1:
By assigning dedicated internal heat sinks to each transceiver module, the invention ensures that thermal management scales with system density. Each module becomes an independent thermal zone, allowing dense vertical stacking without compromising the cooling of lower components, thus maintaining high system capacity while managing thermal loads effectively.
3Device complexity
If conventional cooling methods are used, then device complexity is reduced, but heat dissipation efficiency is insufficient for high-speed transceivers
Solution Approach 1:
The invention merges the heat dissipation function directly into the transceiver module housing by integrating internal heat sinks with the module structure. This combination eliminates the need for separate external cooling systems while significantly improving heat dissipation efficiency, particularly for high-speed transceivers that generate substantial thermal loads.
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 approach allows for targeted heat dissipation, maintaining lower operating temperatures for critical components and enabling efficient cooling of densely packed transceiver modules, reducing the need for large external heat sinks and improving overall system efficiency.
Implementation Method 1
an internal heat sink located within the housing of the transceiver module, wherein the internal heat sink is thermally coupled to at least one internal component of the transceiver module
Implementation Method 2
air can flow into the cage through the second set of apertures, then flow into the transceiver module through one of the plurality of apertures in the transceiver module housing such that the air dissipates heat from the at least one internal component
Data Source
AI summary
Systems and methods for direct cooling of transceivers, including transceivers used in electrical and optical communications systems. An electrical system includes a transceiver module with a housing that contains a plurality of apertures to allow air flow into and out of the transceiver module. The transceiver includes an internal heat sink located within the housing of the transceiver module, where the internal heat sink is thermally coupled to at least one internal component of the transceiver module. The electrical system also includes a cage for receiving and electrically connecting to the transceiver module. The cage contains a second set of apertures such that when the transceiver module is inserted into the cage, air may flow into the cage through the second set of apertures, then flow into the transceiver module through one of the plurality of apertures in the transceiver module housing such that the air dissipates heat from the at least one internal component thermally coupled to the internal heat sink. The air may then flow out of the transceiver module through another of the plurality of apertures in the housing.