Hot Pluggable Fan System Front-Mounted Access
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Solution Overview
Problem
Existing fan systems in server and storage fields face challenges with maintenance due to high failure rates and the need for hot pluggable solutions that are not easily applicable to all server structures, especially when backplanes connect fore and rear parts, and maintenance is hindered by obstructed access when multiple server frames are stacked.
Innovation Solution
A hot pluggable fan system with a connection apparatus featuring a bottom plate, side panels, a beam, and fan baffles that divide the plate into sections, allowing for easy installation and replacement of fans without interrupting system operation, using power sockets and screw holes for secure fixation and power supply, and a power transfer board for electrical connectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If a flip-up cover is used to access the fan assembly, then the fan can be replaced, but the cover obstructs access when multiple server frames are stacked, requiring frames to be moved down for maintenance
Solution Approach 1:
The fan assembly is extracted from the traditional enclosed position and relocated to the front of the server frame, allowing direct access without requiring the flip-up cover to be opened or other frames to be moved. This extraction resolves the contradiction by making the fan independently accessible while maintaining proper stacking configuration.
2Strength
If the fan assembly is fixed through the upper cover on the bottom plate, then the fan is securely mounted, but this installation method is not applicable when backplanes connect fore and rear parts of the frame
Solution Approach 1:
The mounting structure is segmented into independent front-mounted positioning elements rather than relying on a unified upper cover system. This allows the fan assembly to be securely mounted independently of the backplane configuration, resolving the contradiction between mounting security and adaptability to different frame structures.
Solution Approach 2:
The fan assembly mounting is extracted from the traditional upper cover location and repositioned to the front of the frame. This relocation eliminates dependency on the upper cover structure, enabling compatibility with backplane-connected frame configurations while maintaining secure mounting through dedicated front positioning mechanisms.
3Ease of repair
If the system requires powering off to replace fans, then component replacement is simple, but system operation is interrupted and service is affected
Solution Approach 1:
The fan assembly incorporates self-contained electrical connections with the power supply and control systems. This self-service design allows the fan to be hot-swapped without interrupting system operation, resolving the contradiction by enabling simple replacement while maintaining continuous system availability and productivity.
Data Source
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AI summary
The present invention discloses a hot pluggable fan system and connection apparatus. The system includes at least one fan assembly, and a hot pluggable fan connection apparatus. The hot pluggable fan connection apparatus includes a bottom plate; a crossbar existed on the bottom plate, for dividing the bottom plate into a forepart and a rear part; two side panels located on both sides of the bottom plate and vertical to the crossbar; a beam connected to the two side panels and above the crossbar; and one or more fan baffles combined with the side panels for forming at least one slot for accommodating the fan assembly, the baffles located at the forepart of the bottom plate and parallel to the side panels.