Hinge-Linked Cooling Doors for Slim Foldable Electronics
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Solution Overview
Problem
Existing electronic devices face challenges in securing heat dissipation performance while maintaining a slim design, which affects their portability and performance.
Innovation Solution
The electronic device incorporates a hinge unit and a driving module that open and close doors based on the rotation angle of the housing, creating a cooling path for internal components and allowing for a slim design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the width of the electronic device is decreased to reduce thickness and improve portability, then the thickness is reduced, but the gap including internal components becomes smaller and the heat dissipation area decreases
Solution Approach 1:
The patent applies dynamics by making the door structure movable rather than fixed. The door can rotate between a closed position (for portability) and an open position (for heat dissipation), allowing the device to adapt its configuration based on operational needs. This dynamic adjustment resolves the contradiction by enabling both slim design and effective cooling at different times.
Solution Approach 2:
The patent segments the housing into multiple parts including a movable door that can be opened or closed. This segmentation creates a flexible structure where the door can be positioned differently to either minimize the device's footprint or maximize the heat dissipation gap, thus resolving the contradiction between compactness and thermal management.
2Length of moving object
If the width of the electronic device is decreased to reduce thickness, then portability is improved, but the area occupied by heat dissipating members decreases
Solution Approach 1:
The movable door enables dynamic adjustment of the heat dissipation area. When the door is open, a larger area is available for heat dissipation; when closed, the device maintains its slim profile. This dynamic configuration allows the device to optimize both portability and heat dissipation area as needed.
Solution Approach 2:
The patent utilizes rotational movement of the door to create additional spatial dimensions for heat dissipation. By opening the door, the heat dissipation path extends beyond the original device boundaries, effectively increasing the heat dissipation area without increasing the device's base dimensions.
3Length of moving object
If the gap including internal components becomes smaller, then the electronic device becomes slimmer, but heat dissipation performance deteriorates
Solution Approach 1:
The dynamic door mechanism allows the device to switch between a compact configuration with smaller gap and an expanded configuration with larger gap for heat dissipation. This ensures that the device can maintain slim dimensions during portability while providing adequate heat dissipation during operation.
Solution Approach 2:
The door can be opened in advance before heat dissipation is critically needed, creating sufficient gap space for internal components and heat dissipation pathways. This preliminary action ensures that when the device operates, adequate space is already available for effective thermal management.
Data Source
AI summary
An electronic device includes a first housing including a display module including a display screen, a second housing rotatable with respect to the first housing to define a rotation angle therebetween, the second housing including a first door provided at one surface and a second door provided at a surface which is opposite to the one surface, a hinge unit configured to rotatably connect the first housing to the second housing, and a driving module connecting the hinge unit to each of the first door and second door, the driving module moveable together with rotation of the second housing with respect to the first housing, to open and close the first door and the second door. the driving module is configured to open the first door when the rotation angle is less than a first angle and open the second door when the rotation angle is greater than a second angle.