Antenna Heat Dissipation Module With 3D Extended Heat Exchange
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Solution Overview
Problem
Existing antenna systems face challenges in managing heat dissipation and weight reduction while maintaining directivity adjustment capabilities, particularly in massive MIMO technologies where increased numbers of antennas and components lead to significant heat generation and spatial constraints.
Innovation Solution
A heat dissipation device and module that includes a heat receiving part and a heat discharging part, utilizing phase-changing refrigerant and heat sink fins to effectively dissipate heat, with a design that extends beyond the housing body to increase the heat exchange area without increasing product weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the number of antennas and RF components is increased to expand coverage in massive MIMO technology, then channel capacity and coverage are improved, but heat generation and weight increase
Solution Approach 1:
The heat discharging part extends in the thickness direction (third dimension) beyond the housing body to increase heat exchange surface area without increasing the footprint area. This dimensional transition allows effective heat dissipation while maintaining compact planar dimensions and controlling overall device weight.
Solution Approach 2:
The heat dissipation system is divided into distinct functional components: a heat receiving part (heat pipe) that collects heat from RF components, and a heat discharging part (heat sink fin) that dissipates heat to the environment. This segmentation allows optimized heat transfer pathways and efficient heat management across the antenna apparatus.
2Temperature
If heat dissipation surface area is increased to improve heat dissipation performance, then heat dissipation efficiency is improved, but device weight and size increase
Solution Approach 1:
The heat discharging part utilizes the thickness direction (vertical dimension) to extend heat exchange surfaces beyond the housing body's upper surface. This approach increases effective heat dissipation area without proportionally increasing device weight, as the extension leverages the third dimension rather than expanding planar footprint.
Solution Approach 2:
The heat dissipation device employs composite material structures including heat pipe material for efficient heat conduction and heat sink fin material for effective heat exchange with ambient air. These composite materials optimize the balance between heat dissipation performance and material weight.
3Temperature
If heat dissipation surface area is increased to improve heat dissipation performance, then heat dissipation efficiency is improved, but device size and spatial constraints are worsened
Solution Approach 1:
The heat discharging part extends vertically beyond the housing body in the thickness direction, transforming two-dimensional heat dissipation into three-dimensional heat exchange. This dimensional transition increases heat dissipation surface area without increasing the device's footprint area, effectively resolving the spatial constraint issue.
4Weight of moving object
If the antenna unit is made lightweight and compact for ease of installation, then installation cost and spatial constraints are improved, but heat dissipation capability deteriorates
Solution Approach 1:
The heat dissipation device extends heat exchange surfaces vertically beyond the housing body, utilizing the thickness direction to maximize heat dissipation within compact planar dimensions. This approach maintains lightweight and compact device characteristics while providing sufficient heat dissipation capability through three-dimensional heat exchange.
Solution Approach 2:
The heat dissipation system is segmented into a heat receiving part that interfaces with RF components inside the housing body and a heat discharging part that extends outward for environmental heat exchange. This segmentation enables effective heat management in compact device configurations.
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 solution enhances on-site workability by effectively dissipating heat and preventing weight increase, overcoming limitations in heat conductivity and allowing for various heat dissipation structures, thus improving the design.
Implementation Method 1
The heat receiving part may be a heat pipe filled with refrigerant that flows while changing phases
Implementation Method 2
The heat receiving part may be a heat pipe filled with refrigerant that flows while changing phases
Implementation Method 3
The heat discharging part may be a heat sink fin in thermal contact with and coupled to a tip of the heat pipe
Implementation Method 4
a heat discharging part that performs heat exchange by diffusing the heat collected by the heat receiving part
Implementation Method 5
The heat discharging part may be a vapor chamber filled with refrigerant that flows while changing phases
Data Source
AI summary
Provided are a heat dissipation device, a heat dissipation module, and an antenna apparatus including the same. The heat dissipation device includes a heat receiving part that collects heat generated from heating substances and a heat discharging part that performs heat exchange by diffusing the heat collected by the heat receiving part and is formed to occupy a part of a heat exchange region in such a manner that at least a tip of the heat discharging part extends to the heat exchange region on an outer side of the housing body provided with the heating substances, thereby enabling active heat exchange in the heat exchange region and facilitating expanded design of a heat dissipation surface area and thus providing the advantage of improving heat dissipation performance.