Insulation Element with Heat Dissipation Holes for Antenna Shielding
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Solution Overview
Problem
Metal housings in electronic devices cause a shielding effect that negatively impacts the transmission efficiency of antennas, making it difficult to design effective antenna systems in compact, modern devices.
Innovation Solution
An electronic device with a metal housing incorporates an insulation element featuring heat dissipation holes and an antenna unit with a radiation portion and feeding portion, which is electrically connected to a grounding plane, positioned on the insulation element to prevent shielding and optimize signal transmission without occupying additional space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metal housing is used for product appearance, then product quality and aesthetics are improved, but shielding effect occurs affecting antenna transmission efficiency
Solution Approach 1:
The patent segments the housing structure by introducing non-metallic portions (insulation elements with heat dissipation holes) at specific locations where the antenna needs to operate. This segmentation allows different material properties in different regions: metal for structural strength and aesthetics, and non-metallic for antenna signal transmission.
Solution Approach 2:
The insulation element acts as an intermediary component between the metal housing and the antenna. It provides a non-shielding interface for the antenna to transmit signals while being mounted on the metal housing, thus mediating between the conflicting requirements of metal housing (aesthetics/strength) and antenna performance (signal transmission).
2Device complexity
If antenna is placed inside electronic device, then device integration is improved, but shielding effect from metal housing reduces signal stability
Solution Approach 1:
The patent applies local quality by creating a specific non-metallic zone at the antenna location while maintaining metal housing elsewhere. The insulation element with heat dissipation holes provides localized non-shielding properties exactly where the antenna needs to operate, while the rest of the housing maintains its metal structure for strength and aesthetics.
3Reliability
If insulation element with heat dissipation hole is used, then space configuration is saved and shielding effect is prevented, but heat dissipation requirements must be met
Solution Approach 1:
The insulation element incorporates heat dissipation holes creating a porous structure that allows heat to pass through. This porous design enables the insulation element to maintain its non-shielding properties for antenna operation while simultaneously providing heat dissipation pathways to manage thermal requirements.
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
This configuration maintains high transmission efficiency for antennas while allowing for a compact design, preventing the metal housing from interfering with signal stability and enabling efficient signal sending and receiving.
Implementation Method 1
a metal housing has a shielding effect, affecting transmission efficiency of an antenna inside an electronic device
Implementation Method 2
The radiation portion is composed of a conductor. The feeding portion is electrically connected to the radiation portion and a grounding plane
Data Source
AI summary
An electronic device is provided. The electronic device includes a metal housing, an insulation element, and an antenna unit. The insulation element is disposed on the metal housing and includes a first heat dissipation hole. The antenna unit is disposed on the insulation element and includes a radiation portion and a feeding portion. The radiation portion is composed of a conductor. The feeding portion is electrically connected to the radiation portion and a grounding plane. In this way, according to the electronic device, space configuration inside the electronic device is saved and a shielding effect of the metal housing is prevented from affecting stability of sending and receiving a signal.