Electronic Equipment Casing with Foamed Insulating Layer
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Solution Overview
Problem
Existing electronic equipment casings face challenges in balancing non-conductivity for wireless antennas and strength for LCDs, as non-conductive materials lack strength and conductive materials are unsuitable for antenna use.
Innovation Solution
A casing design featuring a foamed layer between outer and inner rigid layers, with the outer layer made of carbon fiber and the inner layer made of glass fiber, providing a lightweight and strong structure while maintaining non-conductivity for the antenna region.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If non-conductive materials such as aramid fiber are used for the antenna region, then wireless antenna performance is improved, but structural strength deteriorates
Solution Approach 1:
The casing is divided into multiple regions with different material properties: a first region made of non-conductive material for antenna placement and a second region made of conductive material for structural support. This segmentation allows each region to be optimized for its specific function without compromising the other.
Solution Approach 2:
Different parts of the casing are assigned different material qualities based on their functional requirements. The antenna region uses non-conductive material to ensure wireless performance, while other regions use conductive materials like carbon fiber to provide structural strength and lightweight properties.
2Strength
If conductive materials such as carbon fiber are used for the casing, then structural strength and lightweight properties are improved, but wireless antenna performance deteriorates
Solution Approach 1:
The casing is segmented into antenna-specific regions and structural regions. The antenna region is isolated using non-conductive materials while the structural regions utilize conductive carbon fiber materials, allowing both requirements to be satisfied simultaneously in different parts of the same component.
Solution Approach 2:
The casing structure incorporates local quality variations where non-conductive materials are applied specifically in the antenna region while conductive materials are used in structural regions, optimizing both antenna performance and overall structural integrity.
3Ease of manufacture
If a single-layer structure is used for simplicity, then manufacturing complexity is reduced, but the ability to provide both non-conductivity and strength deteriorates
Solution Approach 1:
The casing employs composite material construction combining non-conductive and conductive materials in a multi-layer structure. This allows the single casing component to simultaneously provide both non-conductive properties for antenna performance and conductive properties for structural strength, maintaining manufacturing efficiency while achieving material property versatility.
Data Source
AI summary
A casing for electronic equipments is disclosed. The casing includes a first region and a second region. The first region is formed by a foamed layer provided between an outer rigid layer and an inner rigid layer. The foamed layer isolates the outer rigid layer from the inner rigid layer. The second region is formed by a single layer of material, and the single layer of material is joined to the outer rigid layer, the formed layer and the inner rigid layer.