Rotatable 0U PDU Mounting Bracket for Rack Service Access
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Solution Overview
Problem
Current 0 U PDUs face implementation challenges due to lack of standardization in mechanical interconnects among rack manufacturers and cause interference with racked electronic devices during service.
Innovation Solution
An adjustable and rotatable power distribution unit (PDU) system featuring a planar bracket and mounting mechanism with a hinge element and support element, allowing for customizable positioning and rotation relative to the rack, along with sensors to detect and transmit position signals for optimal alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If 0 U PDUs are vertically mounted to rack rails, then they do not occupy rack spaces, but they cause interference with racked electronic devices during service
Solution Approach 1:
The PDU mounting system employs a rotatable bracket mechanism that allows the PDU to be dynamically repositioned between vertical mounting (not occupying rack space) and horizontal/angled mounting (improving service accessibility). The hinge joint enables the bracket to rotate, transforming the PDU's spatial orientation based on operational needs.
Solution Approach 2:
The invention introduces rotational freedom in a third dimension, allowing the PDU to transition from a fixed vertical orientation to multiple angular positions. This dimensional change enables the PDU to clear service paths while maintaining compact mounting, effectively using angular displacement to resolve the spatial conflict.
2Volume of moving object
If 0 U PDUs are vertically mounted, then they do not occupy rack spaces, but they are difficult to implement due to lack of standardization in mechanical interconnects
Solution Approach 1:
The bracket assembly is designed with universal compatibility features, including standardized mounting holes that can interface with various rack rail configurations. The planar bracket with slot and rod mechanism provides a standardized interface that can adapt to different rack manufacturers' specifications, reducing implementation difficulty.
Solution Approach 2:
The mounting system is divided into separable components: a planar bracket, a hinge element, and a support element. This segmentation allows each component to be independently manufactured and assembled, facilitating easier implementation and adaptation to different rack standards without requiring complete redesign.
3Ease of operation
If adjustable and rotatable positioning mechanism is added, then service accessibility is improved, but device complexity increases
Solution Approach 1:
The mounting mechanism is segmented into three distinct elements: a planar bracket for mounting to the rack, a hinge element providing rotational capability, and a support element holding the PDU. This segmentation simplifies the overall design by breaking down the complex positioning function into manageable, independent components that can be manufactured and assembled separately.
Solution Approach 2:
The hinge element introduces a single rotational degree of freedom to the otherwise static mounting system. This dynamic capability allows the PDU to be positioned for service access while maintaining a compact vertical footprint when not in use, achieving enhanced functionality with minimal added complexity.
Data Source
AI summary
An apparatus and system for adjustable, rotatable positioning of a power distribution unit (“PDU”) relative to a rack. A planar bracket extends along a longitudinal axis and is configured to couple to a rack configured to house an electronic device. The planar bracket includes a slot extending parallel to the longitudinal axis. A mounting mechanism is configured to engage the planar bracket and includes a hinge element coupled to a support element. The hinge element includes a rod configured to move along the slot. The support element is configured to support a power distribution unit and to rotate relative to the rod.