Server Chassis Air-Shielding Flap With Opposite Rotation
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Solution Overview
Problem
Conventional air-shielding mechanisms in computing systems, such as server chassis, require significant space and are limited by the same direction of rotation as the insertion of computing nodes, disrupting airflow and reducing heat dissipation efficiency when components are removed.
Innovation Solution
A movable flap mechanism with a connecting rod that rotates in a direction opposite to the insertion of computing nodes, using a spring and fasteners to control the flap's position, ensuring minimal space usage and maintaining airflow path integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a conventional access flap is pivotably mounted to cover the opening, then the opening is shielded, but a large space is required within the server chassis
Solution Approach 1:
Instead of mounting the flap at the opening to rotate in the same direction as node insertion, the patent inverts the mechanism by mounting the flap at the rear of the slot and rotating it in the opposite direction. This allows the flap to be actuated by the inserting node itself, eliminating the need for additional mounting space near the opening.
Solution Approach 2:
The inserting computing node itself serves as the actuating mechanism for the flap. As the node is inserted into the slot, it directly pushes the flap open. This self-service approach eliminates the need for separate actuators or complex mounting mechanisms, reducing space requirements.
2Device complexity
If the access flap rotates in the same direction as computing node insertion, then the mechanism is simple, but the design is limited and requires more space
Solution Approach 1:
The patent reverses the rotation direction of the flap relative to the insertion direction. The flap rotates in the opposite direction to the insertion motion, which paradoxically simplifies the mechanism by using the insertion force directly while increasing design flexibility for space-constrained applications.
Solution Approach 2:
The patent changes the dimensional relationship between flap rotation and node insertion by positioning the flap at the rear of the slot rather than at the opening. This spatial reconfiguration allows the flap to rotate in the opposite direction while maintaining mechanical simplicity.
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 mechanism efficiently maintains airflow and heat dissipation within the server chassis by rotating the flap to open or close based on node insertion/removal, minimizing space requirements and preserving airflow paths.
Implementation Method 1
a spring and fasteners to control the flap's position
Data Source
AI summary
An air-shielding mechanism for a computing system is disclosed. A computing system includes a server chassis with a slot configured to receive a computing node. An air-shielding mechanism is positioned within the slot and includes a connecting rod movably coupled within the slot and a movable flap coupled to the connecting rod. The connecting rod rotates in a first direction in response to pressure generated by contact between the computing node inserted within the slot and the connecting rod. The movable flap is in a closed position when the computing node is absent from the slot, and the movable flap is in an open position when the computing node is fully inserted within the respective slot. The movable flap rotates in a second direction while the connecting rod is rotating in the first direction, the second direction being opposite the first direction.