Series Fan Multistage Frame Vibration Absorption
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Solution Overview
Problem
Conventional series fan structures with integrally formed fan frames fail to effectively reduce vibration, leading to noise, decreased hard disc reading efficiency, and increased manufacturing costs due to complex vibration absorption methods.
Innovation Solution
A series fan structure with a multistage frame body design, comprising interconnected main bodies and frames with specific openings and connection sections, which absorb vibrations from motors and fan impellers, reducing noise and enhancing reading efficiency while simplifying manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional integrally formed fan frames are used, then the structure is simple, but the vibration absorption effect is poor
Solution Approach 1:
The fan frame is divided into multiple independent frame bodies (first frame body, second frame body, third frame body) connected in series. Each frame body independently absorbs vibration from its corresponding fan impeller, converting a single rigid structure into a segmented vibration-absorbing system that reduces overall vibration transmission.
2Object-affected harmful factors
If vibration absorption fixing structure is employed, then the vibration absorption effect is improved, but the manufacturing cost increases
Solution Approach 1:
The frame bodies are connected through integrated connection sections that combine multiple functions: structural support, vibration isolation, and mechanical coupling. The connection sections merge the functions of separate mounting brackets, dampers, and fasteners into unified structural elements, reducing component count while maintaining vibration absorption.
Solution Approach 2:
Each frame body serves multiple functions: it supports the fan impeller, absorbs vibration, provides structural rigidity, and connects to adjacent frame bodies. This multi-functionality eliminates the need for separate vibration isolation components, reducing overall device complexity while maintaining effective vibration absorption.
3Device complexity
If conventional fan frames are used, then the structure is simple, but the noise level increases
Solution Approach 1:
The series connection of multiple frame bodies segments the vibration transmission path, preventing resonant amplification that occurs in single rigid frames. Each segment isolates vibration sources, reducing the overall noise generated by vibration transmission to the external environment.
4Ease of manufacture
If conventional fan frames are used, then the manufacturing cost is lower, but the hard disc reading efficiency decreases
Solution Approach 1:
The segmented frame structure provides vibration isolation that protects the hard disc from vibration-induced read errors, improving reading efficiency without requiring expensive vibration isolation components. The series connection of frame bodies creates a passive vibration absorption system that is cost-effective.
Solution Approach 2:
The frame bodies inherently absorb vibration through their series connection and structural design, eliminating the need for additional active vibration control systems or expensive specialized components. The structure serves its own vibration absorption needs through its basic configuration.
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 multistage frame body design significantly enhances vibration absorption, reduces noise, improves hard disc reading efficiency, and lowers manufacturing costs, making it suitable for fans with high rotational speeds.
Implementation Method 1
The first main body, the first frame, the second main body and the second frame are correspondingly serially connected to form a multistage frame body, wherein the vibration of the motors and the first and second fan impellers can be absorbed by the multistage frame body
Data Source
AI summary
A series fan structure with multistage frame body includes a first main body, a second main body, a first frame and a second frame. The first main body has a first fan frame having a first opening and a second opening. The second main body is correspondingly serially connected to the first main body. The second main body has a second fan frame having a third opening and a fourth opening. The third opening corresponds to the second opening. The first frame is correspondingly serially connected to one side of the first fan frame with the first opening. The first frame and the first fan frame together define a first flow passage. The second frame is correspondingly serially connected to one side of the second fan frame with the fourth opening. The second frame and the second fan frame together define a second flow passage.