Comb-Fin Heat Sink Layout for Base Station Cooling Airflow
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Solution Overview
Problem
Current heat dissipation solutions for outdoor communication base stations, such as natural cooling and existing heat sink designs, are inefficient in managing the increasing thermal density of electronic devices.
Innovation Solution
A heat dissipation apparatus comprising a base with parallel first heat sink fins, where each fin is topped with a first heat dissipation component and a second heat dissipation component. The first component forms a stack effect with the base and fins, while the second component allows airflow through its comb-shaped third heat sink fins, enhancing heat dissipation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If natural cooling is used as the main solution, then the device structure is simple, but the heat dissipation efficiency is low
Solution Approach 1:
The heat dissipation apparatus is divided into multiple heat sink fins (first heat sink fins and second heat sink fins) arranged in different directions, creating segmented heat dissipation paths that improve overall efficiency while maintaining structural organization
Solution Approach 2:
The invention transitions from traditional single-direction heat sink fins to a three-dimensional arrangement with first heat sink fins extending in one direction and second heat sink fins extending perpendicular to the first, creating a finned-tube structure that dissipates heat in multiple dimensions simultaneously
2Area of stationary object
If the number and thickness of heat sink fins are increased, then the heat dissipation area is increased, but the airflow velocity is reduced
Solution Approach 1:
The heat dissipation structure is segmented into first heat sink fins and second heat sink fins that are perpendicular to each other, creating multiple airflow channels that maintain velocity while increasing total heat dissipation area
Solution Approach 2:
By adding second heat sink fins extending in a direction perpendicular to the first heat sink fins, the invention creates a three-dimensional heat dissipation structure that increases surface area without blocking airflow paths, thus maintaining airflow velocity
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 described configuration increases airflow velocity and enhances heat dissipation efficiency by increasing the area with high heat dissipation efficiency, effectively reducing the temperature of electronic devices in communication base stations.
Implementation Method 1
a stack effect can be formed by the first heat dissipation component together with the base and the first heat sink fins, such that the velocity of airflow is increased
Implementation Method 2
air can flow through the hollowed-out portions between the third heat sink fins to also enhance the heat dissipation efficiency
Data Source
Figure 1
Figure 2
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AI summary
A heat dissipation apparatus, a remote radio unit, a baseband processing unit and a base station are disclosed. According to an embodiment, the heat dissipation apparatus comprises a base and a plurality of first heat sink fins arranged in parallel on the base. On a top of each first heat sink fin of the plurality of first heat sink fins, a first heat dissipation component and a second heat dissipation component are sequentially arranged along the parallel direction of the plurality of first heat sink fins. The first heat dissipation component comprises a bottom plate and a plurality of second heat sink fins which are arranged at intervals along the parallel direction on a top face of the bottom plate. Each second heat sink fin has a shape of a comb having three or more comb teeth. The second heat dissipation component comprises a plurality of third heat sink fins which are arranged at intervals along the parallel direction. Each third heat sink fin has a shape of a comb having three or more comb teeth.