Optical Cage Port Dust Plug With Controlled Ventilation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional optical module connectors in network switches are exposed to dust, leading to poor contact, heat dissipation issues, and reduced component lifespan due to dust intrusion.
Innovation Solution
A port dust plug with a connector accommodation recess and ventilation channels, made of an elastic material, forms a sealed space with the optical cage to isolate the connector from dust, while allowing air exchange through ventilation openings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the connector is exposed to air for easy access and operation, then ease of operation is improved, but dust ingress occurs leading to poor contact and heat dissipation issues
Solution Approach 1:
The dust plug is pre-installed in the port to establish dust protection before the connector is accessed. The elastic material allows the plug to be easily removed when needed and automatically returns to seal the port, providing preliminary protection without compromising later accessibility.
Solution Approach 2:
The dust plug utilizes elastic material to create a flexible sealing element that can deform during insertion and removal operations, then return to its original shape to maintain the sealed state. This flexible membrane approach provides effective dust protection while allowing periodic access.
2Reliability
If the connector is enclosed in a sealed space to prevent dust ingress, then reliability is improved, but heat dissipation may be compromised
Solution Approach 1:
The sealing structure applies localized protection only where dust ingress is critical (the connector interface), while maintaining open pathways for heat dissipation. The elastic seal concentrates at the port opening rather than enclosing the entire connector assembly, providing targeted protection without thermal interference.
Solution Approach 2:
The elastic material's deformation capability, which could be seen as a weakness in maintaining seal integrity, is converted into a benefit by allowing the seal to flex during thermal expansion and contraction cycles, maintaining protection while accommodating temperature variations.
3Object-affected harmful factors
If a dust plug structure is added to seal the port, then dustproof effect is improved, but device complexity increases
Solution Approach 1:
The dust protection function is extracted as a separate, independent component (the dust plug) rather than integrating it into the main connector housing. This modular approach simplifies the overall design by allowing the dust plug to be a standalone elastic element with a simple insertion-removal mechanism.
Solution Approach 2:
The dust plug is designed as a simple, low-cost elastic component that can be easily replaced if needed, rather than a complex permanent sealing mechanism. This disposable-like approach reduces overall system complexity while maintaining effective dust protection.
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 solution effectively prevents dust ingress, maintains connector integrity, enhances heat dissipation, and prolongs component life by isolating the connector within a sealed space with controlled ventilation.
Implementation Method 1
made of an elastic material
Data Source
AI summary
This application discloses a port dust plug and a communication device, applied to an optical module slot of an optical cage, where the port dust plug includes: a main body portion, where the main body portion is provided with an insertion end at an end of the port dust plug in an insertion and removal direction, and the insertion end is provided with a connector accommodation recess having an opening direction facing away from the main body portion.