Collar Clip for Optoelectronic Transceiver EMI Control
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Solution Overview
Problem
Electronic modules face challenges in controlling electromagnetic interference (EMI) and securely assembling components due to size constraints, which can impair the operation of nearby systems and devices.
Innovation Solution
A collar clip designed to partially encircle the shell of an optoelectronic transceiver module, featuring extended elements with cavities to receive shell posts and locking flanges to secure multiple shell pieces together, thereby reducing EMI emissions and eliminating the need for screws.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional screw fasteners are used to secure shell pieces, then reliable assembly is achieved, but device complexity and assembly time increase
Solution Approach 1:
The collar clip integrates multiple functions into a single component: it provides structural support, secures the shell pieces together, and eliminates the need for separate screw fasteners. The clip combines the fastening function with the structural support function, reducing the number of parts and simplifying assembly while maintaining reliable connection between shell pieces.
Solution Approach 2:
The collar clip design incorporates self-aligning features where the clip automatically positions itself relative to the shell pieces during assembly. The geometry of the clip and shell interfaces ensures proper alignment without requiring additional alignment fixtures or complex positioning procedures, enabling simple snap-fit assembly.
2Object-affected harmful factors
If more components are added to control EMI, then EMI control improves, but device complexity increases
Solution Approach 1:
The collar clip serves multiple functions simultaneously: it provides mechanical support for the shell pieces, acts as an EMI shielding structure, and simplifies assembly operations. By designing the clip with EMI-shielding material or geometry that inherently blocks electromagnetic interference, the same component that secures the assembly also controls EMI, eliminating the need for separate shielding components.
3Manufacturing precision
If assembly precision requirements are increased, then component securing accuracy improves, but manufacturing difficulty increases
Solution Approach 1:
The collar clip incorporates localized geometric features such as tapered edges, cam surfaces, or elastic deformation zones that concentrate the assembly action at specific locations. These local quality variations enable precise positioning of shell pieces through simple insertion forces, achieving high positioning accuracy without requiring precision machining throughout the entire component.
Data Source
AI summary
In one example embodiment, a collar clip includes a body that is sized and configured to partially encircle a shell of an optoelectronic transceiver module. Each extended element in a pair of the extended elements is separated from the other extended element in the pair by a cavity. Each cavity is configured to receive a portion of a corresponding structure of the shell.