Hardened Optical Platform Thermal Conduit Design
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Solution Overview
Problem
Existing high-speed optical networking equipment deployed in outdoor, sealed environments faces challenges in thermal management due to the lack of airflow, making it difficult to effectively cool pluggable optical modules.
Innovation Solution
A hardened optical platform with a thermally conductive conduit, such as a heat sink, is used to facilitate heat transfer from pluggable optical modules to the housing and then to the exterior of the platform, utilizing springs or cams to ensure uniform contact and alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a sealed housing is used to protect optical modules in outdoor environments, then environmental protection is improved, but thermal management deteriorates due to lack of airflow
Solution Approach 1:
A thermally conductive intermediary material is introduced between the pluggable optical module and the sealed housing to facilitate heat transfer. This intermediary acts as a bridge, allowing thermal energy to conduct from the module through the housing wall to the external environment, thus maintaining both the sealed protection and effective cooling.
Solution Approach 2:
The heat is extracted from the pluggable optical module through the sealed housing structure. By integrating thermal management features directly into the housing walls, the system removes the need for internal cooling mechanisms while maintaining the sealed environment, effectively extracting heat through the housing itself.
2Adaptability or versatility
If pluggable optical modules are used for flexibility, then adaptability is improved, but attachment and alignment of heat sinks deteriorates due to lack of access to the cage
Solution Approach 1:
The heat sink attachment mechanism is merged with the cage structure itself. The cage is designed with integrated thermal management features, combining the mechanical retention function with the thermal conduction function in a single integrated component, eliminating the need for separate heat sink attachment steps.
Solution Approach 2:
The thermally conductive path is preliminarily established through the cage structure before the optical module is inserted. The cage is pre-configured with thermal management features that automatically align and contact the module upon insertion, eliminating the need for post-installation alignment adjustments.
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 solution allows the pluggable optical modules to operate within a sealed environment while maintaining effective thermal management, preventing overheating and ensuring reliable performance in outdoor deployments.
Implementation Method 1
a thermally conductive conduit is formed between the pluggable optical module once inserted and the housing, enabling the pluggable optical module to operate in the housing which is sealed with respect to airflow
Data Source
AI summary
A hardened optical platform includes a hardened enclosure including a door that when closed environmentally seals the hardened enclosure; a first set including one of more modules; a second set including one or more modules arranged substantially perpendicular to the first set; and high-speed cabling interconnecting the first set to the second set, wherein the hardened optical platform is passively cooled with the hardened enclosure and the door being weatherproof thereby having no airflow internally from a surrounding environment.