Heat Radiation Fin With Partial Connection For Laptop Cooling
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Solution Overview
Problem
In electronic apparatuses like laptops, heat pipes cannot be in contact with the entire heat radiation unit due to internal layout restrictions, leading to reduced cooling performance as parts of the heat radiation unit are unable to function effectively.
Innovation Solution
The electronic apparatus employs a heat radiation unit with a partial connection structure using fin members connected by caulking or welding where the heat pipe is present, and a continuous fin structure where contact is not possible, enhancing thermal conduction and heat radiation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a heat pipe is fixed to a heat radiation unit, then heat radiation efficiency is improved, but the heat pipe cannot contact the entire heat radiation unit due to internal layout restrictions
Solution Approach 1:
The heat radiation unit is divided into multiple fin members (first fin member, second fin member, etc.) that are partially fixed and connected. This segmentation allows the heat radiation unit to accommodate the heat pipe in specific regions while maintaining structural flexibility, resolving the conflict between heat radiation efficiency and internal layout constraints.
Solution Approach 2:
Different regions of the heat radiation unit have different structural characteristics: regions with heat pipe contact use partially fixed fin members for effective heat transfer, while regions without heat pipe contact use continuous fin structures. This local differentiation optimizes heat radiation efficiency in each specific region while accommodating overall device layout restrictions.
2Device complexity
If part of the heat radiation unit is not in contact with the heat pipe, then internal layout restrictions are satisfied, but cooling performance is degraded
Solution Approach 1:
In regions without heat pipe contact, continuous fin structures are used to ensure uninterrupted thermal conduction paths. This maintains effective heat radiation in areas where the heat pipe cannot reach, preserving overall cooling performance while satisfying internal layout restrictions.
Solution Approach 2:
The heat radiation unit employs different structural approaches in different regions: partially fixed fin members where heat pipe contact is possible, and continuous fin structures where heat pipe contact is not possible. This local quality differentiation ensures reliable cooling performance across the entire heat radiation unit while accommodating internal layout constraints.
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 improves cooling performance by ensuring effective heat radiation even in regions without direct heat pipe contact, maintaining efficient thermal conduction and radiation performance.
Implementation Method 1
Through the heat pipe, heat absorbed from the heat generating components such as the CPU can be transferred to the heat radiation unit (heat radiation section)
Implementation Method 2
The cooling fan discharges air to the outside from an exhaust port formed in a wall section inside a chassis of the electronic apparatus
Implementation Method 3
a fan installed in the chassis to blow air toward an exhaust port formed in the chassis
Data Source
AI summary
There is provided an electronic apparatus that includes a heat radiation unit capable of radiating heat efficiently from a heat pipe. The electronic apparatus includes: a blower fan that blows air toward an exhaust port formed in a main body chassis; a heat radiation fin provided in an air-blowing outlet of the blower fan; and a heat pipe fixed to the heat radiation fin. In a region in contact with the heat pipe, the heat radiation fin is of a partial connection structure in which multiple fin members are partially fixed and connected to one another, and in a region with no contact with the heat pipe, the heat radiation fin is a structure of continuous fins.