Optical Module Tray Reciprocating Movement for Fiber Protection
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Solution Overview
Problem
Conventional optical modules risk damaging optical fibers when the tray is removed for repair, as it may apply bending, pulling, or twisting forces to the fibers.
Innovation Solution
The optical module design allows the tray to be reciprocally movable within a restricted range, moving away from the electrical connection section between the optical assembly and circuit board, and is fixed to prevent excessive load on the fibers, with options for rotational or sliding movement and stoppers to restrict movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the tray is fixed to the case with screws for stable mounting, then the tray can be securely held, but the optical fiber may be damaged when detaching the tray for repair due to bending, pulling, or twisting forces
Solution Approach 1:
The tray is designed to be movable within a restricted range rather than completely fixed, allowing controlled movement for repair while maintaining stable positioning during operation. The tray can be pulled out from the case along a guide direction and rotated, providing dynamic accessibility without compromising operational stability.
Solution Approach 2:
The fixing mechanism is segmented into multiple attachment points (first and second attachment portions) that can be independently engaged or disengaged. This allows the tray to be partially detached or repositioned without complete removal, reducing stress on the optical fiber while enabling repair access.
2Ease of repair
If the tray is completely removable for easy access during repair, then maintenance becomes simpler, but excessive load may be applied to the optical fiber causing damage
Solution Approach 1:
The tray is designed with controlled mobility - it can be pulled out and rotated within a restricted range defined by guide rails and stoppers. This dynamic design allows easy access for repair while the guide structure prevents excessive pulling or twisting forces from being applied to the optical fiber connection.
Solution Approach 2:
Guide rails and stoppers act as intermediary elements between the tray and case, mediating the movement of the tray. These intermediaries control the tray's motion path and limit the range of movement, preventing direct transmission of harmful forces to the optical fiber while still allowing necessary access for repair.
3Ease of operation
If the tray is allowed to move freely for repair access, then maintenance operations become easier, but the optical fiber may be subjected to excessive bending or twisting loads
Solution Approach 1:
The tray transitions from a completely fixed state to a controlled movable state. It can be pulled out along guide rails and rotated within limited angles, providing operational ease while the guide structure maintains optical fiber integrity by preventing excessive movement.
Solution Approach 2:
The guide rails and stoppers serve as intermediary structures that constrain the tray's movement path. These intermediaries ensure the tray moves only within safe limits that protect the optical fiber from excessive bending or twisting while still allowing sufficient freedom for maintenance operations.
Data Source
AI summary
Provided is an optical module including: an optical assembly incorporating a light emitting or receiving device for converting one of an electrical signal and an optical signal into another of the electrical signal and the optical signal; a circuit board electrically connected to the optical assembly; an optical fiber optically connected to the optical assembly; a tray for winding the optical fiber therein and pulling out the optical fiber therefrom; and a case receiving the optical assembly, the circuit board, the optical fiber, and the tray. In the optical module, the tray is fixed with respect to the case so as to be reciprocatingly movable only within a restricted range, and the tray is moved from a position to another position within the restricted range so as to be moved away from an electrical connection section between the optical assembly and the circuit board.