Rotating Airflow Guide Structure for Electronic Heat Dissipation
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Solution Overview
Problem
Electronic devices generate heat during operation, and existing heat dissipation methods are inefficient in effectively dissipating heat to the outside, leading to potential overheating issues.
Innovation Solution
The electronic device incorporates a housing with an inlet and outlet, a printed circuit board with electronic components, and at least one fan to generate airflow, along with a guide member that can be rotated to optimize airflow direction for improved heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a fixed heat dissipation structure is used, then the structure is simple and stable, but the heat dissipation efficiency is insufficient when the device orientation changes
Solution Approach 1:
The guide member is designed to be rotatable relative to the housing, allowing the airflow guidance structure to dynamically adjust its orientation based on device rotation. This dynamic capability enables the heat dissipation system to maintain effectiveness across different device orientations without requiring multiple fixed structures, thus improving heat dissipation efficiency while avoiding excessive structural complexity.
Solution Approach 2:
The system changes the orientation parameter of the guide member relative to the housing to adapt to different device rotations. By adjusting the angular parameter of the airflow guidance structure, the system maintains optimal heat dissipation performance across various orientations without needing to fundamentally redesign the entire heat dissipation architecture.
2Temperature
If the guide member is fixed to the housing, then the structure is stable, but the airflow guidance becomes ineffective when the housing rotates
Solution Approach 1:
The guide member is coupled to the housing in a manner that allows relative rotation between the two components. This dynamic coupling enables the guide member to independently adjust its orientation to counteract housing rotation, maintaining effective airflow guidance to the outlet regardless of the housing's rotational state.
Solution Approach 2:
Instead of fixing the guide member to the housing and accepting loss of effectiveness during rotation, the system inverts the approach by allowing the guide member to rotate independently in the opposite direction of housing rotation. This compensatory rotation maintains the guide member's effectiveness relative to the external environment.
3Productivity
If the fan is positioned close to the outlet, then the heat dissipation path is short, but the fan may interfere with the outlet structure
Solution Approach 1:
The guide member acts as an intermediary structure between the fan and the outlet. It receives airflow from the fan and directs it toward the outlet, allowing the fan to be positioned at an optimal distance that avoids interference with the outlet structure while maintaining efficient heat dissipation. The guide member mediates the spatial relationship between these components.
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 heat dissipation by guiding airflow effectively through the device, reducing overheating risks and improving operational efficiency.
Implementation Method 1
at least one fan, configured to generate airflow for discharging air introduced through the inlet to the outside of the housing through the outlet
Implementation Method 2
a guide member configured to guide the airflow, wherein at least a portion of the guide member is disposed in the outlet
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
An electronic device is provided. The electronic device comprises: a housing including an inlet and an outlet spaced apart from the inlet; a printed circuit board including one surface and electronic components arranged on the one surface; at least one fan which generate airflow and which is arranged inside the housing so as to cool the electronic components; and a guide member which has at least a part arranged inside the outlet and which guides the airflow, wherein, when the housing rotates in a first rotation direction, the guide member can rotate with respect to the housing in a second rotation direction, which is opposite to the first rotation direction.