Antenna Heat Diffusion Layout to Isolate Housing Surface Heating
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Solution Overview
Problem
Portable electronic devices with antenna modules experience heat transfer to the housing, causing user discomfort, especially when the housing is made of high thermal conductivity materials, leading to potential operation restrictions to avoid heat buildup.
Innovation Solution
Incorporating a housing with a gap between the antenna module and the inner surface, and using heat diffusion members to redirect heat generated by the antenna module away from the housing surface, preventing direct heat transfer and maintaining device functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the antenna module is disposed in the vicinity of the inner surface of the housing to enhance communication characteristics, then communication performance is improved, but heat is easily transferred to the housing surface causing user discomfort
Solution Approach 1:
A heat diffusion member is introduced as an intermediary component between the antenna module and the housing. This heat diffusion member has high thermal conductivity and is configured to receive heat from the antenna module and diffuse it along a path separated from the housing inner surface, thereby preventing direct heat transfer to the housing while maintaining the antenna module's proximity to the housing for optimal communication performance
Solution Approach 2:
The heat diffusion path is segmented and separated from the housing structure. The heat diffusion member is positioned and configured to create a distinct thermal conduction path that does not intersect with the housing, dividing the thermal management function from the structural housing component
2Object-affected harmful factors
If control is performed to restrict operation or stop the portable electronic device to avoid heat buildup, then user comfort is improved, but convenience of the device is impaired
Solution Approach 1:
The heat diffusion member acts as a mediator that enables continuous device operation by providing an alternative heat dissipation path. This intermediary structure allows the device to maintain full functionality without operation restrictions while still preventing excessive heat transfer to the housing surface that would cause user discomfort
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
Effectively prevents heat from being transferred to the housing surface, reducing user discomfort and eliminating the need for operation restrictions due to heat, while ensuring efficient heat dissipation within the device.
Implementation Method 1
a first heat diffusion member that is provided in the housing to be separated from the inner surface of the housing and is thermally connected to the antenna module
Data Source
AI summary
A portable electronic device includes a housing, an antenna module that is disposed in the vicinity of an inner surface of the housing with a gap from the inner surface, and a first heat diffusion member that is provided in the housing to be separated from the inner surface of the housing and is thermally connected to the antenna module. A path through which heat generated by the antenna module is transferred along the first heat diffusion member, is separated from the inner surface of the housing.