Rotatable PDU Bracket for Server Rack Cable Access
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Solution Overview
Problem
In data center server racks, the conventional placement of power distribution units (PDUs) at the back makes it difficult for technicians to identify the correct power cables, especially as the rack depth increases, and moving the PDU to the front is hindered by space constraints and interference with server servicing.
Innovation Solution
A rotatable power distribution assembly is integrated into the server rack, allowing the PDU to be moved to the front without disconnecting power cables, using a hinge mechanism that enables rotation and maintains access for server installation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the PDU is located at the back of the rack, then the server rack can accommodate front-access servers and switches, but it becomes difficult for technicians to identify the correct power cable as the rack depth increases
Solution Approach 1:
The PDU is made rotatable about a vertical axis through the rack, allowing it to dynamically change its position between front and back. This enables the PDU to be rotated to the front for easy cable identification and servicing, then rotated back to allow server installation and removal, resolving the contradiction between cable identification ease and rack depth constraints
2Ease of operation
If the PDU is moved to the front of the rack, then cable identification becomes easier, but it interferes with the servicing, installing, and uninstalling of servers
Solution Approach 1:
The rotatable mounting mechanism allows the PDU to be dynamically repositioned. During server installation or removal, the PDU is rotated away from the front to provide clear access. When cable identification is needed, the PDU is rotated to the front, thus adapting to different operational requirements without permanent interference
Solution Approach 2:
The PDU system is segmented into a rotatable mounting mechanism and the PDU unit itself. This segmentation allows the PDU to be independently rotated to different positions, enabling it to be moved out of the way during server servicing while maintaining its function for power distribution
3Ease of operation
If the PDU is mounted on the front of the rack, then power cable identification is improved, but the space available for server components is reduced
Solution Approach 1:
The rotatable mounting allows the PDU to occupy front rack space only when needed for cable identification. During normal server operation and installation, the PDU can be rotated to the back, effectively freeing up front space for server components and maximizing the usable area for critical equipment
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
This solution creates an access space for servicing servers without disconnecting power cables, reduces cable lengths, and alleviates the complexity of identifying corresponding power cables, while allowing for efficient maintenance and installation without interfering with server operations.
Implementation Method 1
The power distribution assembly is rotatable about the mounting bracket at a hinge
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
A rack is provided that includes a top frame and a bottom frame connected by at least one post. The rack also includes a power distribution assembly connected to the at least one post by a mounting bracket. The power distribution assembly is rotatable about the mounting bracket at a hinge.