Light-Emitting Multi-Fan Assembly With Snap-Fit Guide Plate
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Solution Overview
Problem
Existing light emitting multi fan devices for electronic devices suffer from increased assembly complexity, vibration, and maintenance challenges due to multiple parts and fans, leading to inefficiencies and noise.
Innovation Solution
A simplified design featuring a mount rack, fan frame, light guide plate, and fixing assemblies with snap-fit joints, along with stabilizing elements and anti-vibration covers, reduces parts and assembly time while enhancing structural stability and noise reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If multiple LED light sources and parts are added to illuminate fans, then illumination effect is improved, but assembly complexity increases and maintenance becomes inconvenient
Solution Approach 1:
The patent integrates the light guide plate directly into the fan frame structure, merging the illumination component with the structural component. This eliminates separate LED light sources and their mounting structures, achieving both illumination function and structural support with a single integrated part, thereby simplifying assembly while maintaining lighting效果
Solution Approach 2:
The fan frame is designed to serve multiple functions: it provides structural support for the fans, acts as a mounting structure for the light guide plate, and contributes to the overall illumination system. This multi-functionality reduces the total number of components needed while achieving both mechanical support and lighting goals
2Power
If multiple fans are used in multi fan devices, then cooling performance is improved, but vibration increases causing noise and misalignment
Solution Approach 1:
The patent positions multiple fans in a balanced configuration where their vibration sources counterbalance each other. The fans are arranged symmetrically on the mount rack, creating opposing vibration forces that cancel out, thereby reducing net vibration and noise while maintaining the cooling power of multiple fans
Solution Approach 2:
The fan frame design incorporates asymmetric support structures and mounting positions that optimize the distribution of vibration forces. By carefully positioning each fan and designing the support geometry, the system minimizes resonant vibrations and maintains stability despite having multiple rotating fans
3Adaptability or versatility
If multiple parts and LED light sources are added, then illumination function is achieved, but assembly time increases and parts loss risk increases
Solution Approach 1:
The light guide plate is integrated into the fan frame as a unified component, eliminating the need for separate LED light sources, their mounting brackets, and associated fasteners. This merging of components dramatically reduces assembly steps and time while maintaining the illumination function through the light guide plate's ability to distribute light evenly
4Power
If multiple fans are used, then cooling capability is improved, but misalignment occurs causing fasteners to loosen
Solution Approach 1:
The symmetric arrangement of multiple fans creates balanced vibration forces that prevent cumulative misalignment. The opposing fans generate counteracting vibrations that prevent any single mounting point from experiencing excessive loosening, maintaining alignment stability over time despite the presence of multiple high-power fans
Data Source
AI summary
A light emitting multi fan device may include a mount rack, fan frame, light guide plate, plurality of fans, and plurality of fixing assemblies. The plurality of fans is rotatably coupled to a rack frame of the mount rack. The fan frame is coupled to the mount rack and respectively surrounds each plurality of fans. The light guide plate is coupled to the fan frame and the rack frame. Each plurality of fixing assemblies includes a locking element and a receiving through hole. The locking element protrudes from the fan frame and the receiving through hole extends through the rack frame. The plurality of fixing assemblies is configured to enable the fan frame to lock the light guide plate between the fan frame and the rack frame via a pushing force.