Remote Unit Assembly Pivot Arm for Ceiling Grid Access
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Solution Overview
Problem
Existing distributed antenna systems face challenges in accessing and servicing remote units due to obstructed radio frequency signals, heat dissipation, and secure mounting, particularly in drop ceiling grids, which complicates installation and maintenance.
Innovation Solution
A remote unit assembly with a support member mounted in a drop ceiling grid, featuring a pivot arm and slow release mechanism that allows electronic components to pivot between horizontal and vertical positions, along with an antenna cover for aesthetic and signal attenuation reduction, facilitating safe and efficient installation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If remote units are securely mounted in ceiling using rigid structural support with support cables, then physical safety and secure mounting are improved, but accessibility to internal modules for servicing deteriorates
Solution Approach 1:
The remote unit assembly is divided into separable components: a fixed support member mounted in the ceiling and a movable electronic component assembly that can be detached. This segmentation allows the support structure to remain securely mounted while the electronic components can be accessed independently for servicing.
Solution Approach 2:
The electronic component assembly is designed with movable elements including a pivot arm that can rotate between horizontal and vertical positions, and a slow release mechanism that enables controlled lowering. This dynamic design maintains secure mounting during operation while facilitating easy access during maintenance.
2Ease of manufacture
If remote units are mounted in drop ceiling grid, then installation simplicity and aesthetics are improved, but accessibility for maintenance deteriorates
Solution Approach 1:
The pivot arm mechanism allows the electronic component assembly to rotate from a horizontal mounted position to a vertical service position, enabling maintenance personnel to access internal modules from below the ceiling without requiring dismounting or complex access procedures.
Solution Approach 2:
The slow release mechanism acts as an intermediary device that controls the lowering of the electronic component assembly. It provides a controlled release that allows safe and easy access to internal modules while maintaining the simplicity of ceiling grid installation.
3Productivity
If pivot arm allows rapid pivotal motion for quick access, then service speed is improved, but user safety deteriorates due to uncontrolled motion
Solution Approach 1:
The slow release mechanism converts the potentially harmful effect of uncontrolled gravitational acceleration into a beneficial controlled descent. It allows the pivot arm to move quickly when needed while preventing dangerous rapid motion during normal operation, thereby protecting users from injury.
Solution Approach 2:
The slow release mechanism dynamically changes the rate parameter of pivotal motion. It maintains a controlled, slow rate during normal operation for safety, but allows faster motion when deliberately actuated for servicing, thus adapting the speed parameter to different operational requirements.
Data Source
AI summary
Systems and related accessing methods for remote unit assemblies for distributed communications systems are provided. A support member (e.g., a support plate) is arranged to be mounted in a drop ceiling grid, and a pivotally mounted pivot arm arranged above the support plate is configured to receive at least one electronic component. The pivot arm allows the electronic component to pivot downwardly from a ceiling structure for easier access. A slow release mechanism is configured to reduce a rate of pivotal motion of the pivot arm. A retention mechanism selectively retains the electronic component in a substantially horizontal position proximate to the support plate. A vented antenna cover below the support plate is pivotally mounted to the electronic component with at least one pivotal link, and may include an integrated antenna.