Server Rack Liquid Manifold Mounting for Precise Port Alignment
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Solution Overview
Problem
Conventional manifold assemblies in liquid cooling systems face challenges with misalignment and deformation due to manufacturing tolerances and operational forces, leading to fluid leakage and poor connections between fluid ports of the manifold and electrical equipment.
Innovation Solution
A manifold assembly with a mounting channel and mounting blocks that are welded to the manifold tube, providing fixed datum features to ensure precise alignment and compensation for dimensional variations, ensuring proper engagement of fluid ports with electrical equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional manifold assemblies are used, then the structure is simple, but misalignment and deformation occur due to manufacturing tolerances and operational forces
Solution Approach 1:
A mounting block is introduced as an intermediary component between the manifold tube and the mounting channel. The mounting block is welded to both the manifold tube and the mounting channel, serving as a mediator that absorbs manufacturing tolerances and prevents direct stress transmission, thereby maintaining alignment precision while managing structural complexity.
Solution Approach 2:
The mounting structure is segmented into three distinct components: the manifold tube, the mounting block, and the mounting channel. This segmentation allows each component to be manufactured and assembled separately, with the mounting block acting as a buffer to accommodate tolerance variations, thus improving overall alignment precision without requiring the entire assembly to be overly complex.
2Stability of the object's composition
If rigid mounting is used, then structural stability is improved, but deformation and fluid leakage occur due to operational forces and tolerance accumulation
Solution Approach 1:
The mounting block is designed to absorb and cushion operational forces before they can transmit to the manifold tube and cause deformation. By positioning the mounting block between the rigid mounting channel and the manifold tube, it provides beforehand cushioning that prevents stress concentration and maintains connection reliability under operational loads.
Solution Approach 2:
The mounting block changes the mechanical parameters of the mounting structure by introducing a compliant element that can deform elastically under load. This parameter change allows the rigid mounting channel to remain stable while the mounting block absorbs dimensional variations and operational forces, preventing fluid leakage and maintaining connection reliability.
3Manufacturing precision
If manual alignment is required, then precise connections can be achieved, but labor costs and installation time increase
Solution Approach 1:
The mounting block and mounting channel are pre-configured with alignment features and fixed dimensions that ensure proper positioning of the manifold tube. This preliminary action eliminates the need for manual alignment during installation, as the components self-align through their predetermined geometric relationships, thereby maintaining connection precision while significantly improving installation efficiency.
Solution Approach 2:
The mounting structure is designed to self-align and self-position during installation. The mounting block fits into the mounting channel with predetermined tolerances, and the alignment features guide the manifold tube into the correct position automatically. This self-service mechanism achieves precise connections without requiring manual intervention, thus improving productivity while maintaining manufacturing precision.
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
The solution ensures accurate alignment and secure fluid connections without manual intervention, reducing labor costs and preventing fluid leakage, while accommodating manufacturing deformations and tolerances.
Implementation Method 1
The mounting block can be attached to the manifold tube via welded connections
Implementation Method 2
the side walls of the mounting channel can be attached to corresponding lateral surfaces of the mounting block to secure the manifold tube to the server rack
Data Source
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AI summary
A manifold assembly (100) for a server rack includes a manifold tube (102) defining a first face (104) and a second face (106), a fluid port (110) extending outwardly from the first face, and a mounting assembly (130) to secure the manifold tube to the server rack. The mounting assembly includes a mounting block (150) secured to the second face of the manifold tube and a mounting channel (132) having a pair of side walls (138) extending from a base (134). The side walls of the mounting channel are attached to corresponding lateral surfaces of the mounting block to secure the manifold tube to the server rack.