Pluggable Optical Module Conductive Gap Filler
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Solution Overview
Problem
In optical fiber communication technologies, existing pluggable optical modules suffer from electromagnetic interference due to gaps between the housing and the electromagnetic interference shielding clip, leading to leakage of electromagnetic waves and interference with surrounding electronic devices.
Innovation Solution
A conductive member, such as a conductive net, foam, or rubber, is placed between the housing and the electromagnetic interference shielding clip to block these gaps, preventing electromagnetic wave leakage and ensuring smooth insertion and removal of the optical module.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If an electromagnetic interference shielding clip is clamped on the housing, then electromagnetic shielding performance is improved, but gaps between the housing and shielding clip cause electromagnetic wave leakage
Solution Approach 1:
A conductive member is introduced as an intermediary element between the housing and the electromagnetic interference shielding clip. This conductive member fills the gap between these two components, acting as a mediator to block electromagnetic wave leakage paths while maintaining the shielding structure's integrity and effectiveness.
Solution Approach 2:
The solution employs a composite structure combining the housing, shielding clip, and conductive member into an integrated electromagnetic shielding system. This composite approach leverages the complementary properties of different components to achieve superior shielding performance that none of the individual components could provide alone.
2Object-affected harmful factors
If a conductive member is added to block gaps, then electromagnetic shielding performance is improved, but device complexity increases
Solution Approach 1:
The conductive member is implemented as a flexible component that can conform to the interface between the housing and shielding clip. This flexibility allows the conductive member to adapt to slight variations in assembly tolerances and surface irregularities, providing reliable gap filling without requiring complex rigid structures or precise alignment mechanisms.
3Reliability
If the shielding structure is made more complex to eliminate gaps, then shielding effectiveness is improved, but ease of manufacture decreases
Solution Approach 1:
The conductive member is designed to be self-positioning and self-adjusting within the assembly. Its flexible nature allows it to automatically conform to the mating surfaces of the housing and shielding clip during assembly, eliminating the need for complex alignment procedures or specialized assembly tools, thereby maintaining ease of manufacture while ensuring effective gap blocking.
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 conductive member effectively reduces electromagnetic interference by blocking electromagnetic waves, enhancing the shielding performance and ensuring the pluggable optical module operates without disrupting surrounding electronic devices, while maintaining cost-effectiveness and ease of assembly.
Implementation Method 1
a conductive member is provided between the housing and the electromagnetic interference shielding clip; and when the pluggable optical module is inserted into the optical module cage, the conductive member can block a gap between the housing and the electromagnetic interference shielding clip
Data Source
AI summary
Some embodiments of the present disclosure disclose a pluggable optical module, comprising a housing and an electromagnetic interference shielding clip clamped on the housing; a conductive member is provided between the housing and the electromagnetic interference shielding clip; and when the pluggable optical module is inserted into an optical module cage, the conductive member can block a gap between the housing and the electromagnetic interference shielding clip.