Notebook Computer Airflow Door for Hot Air Reflux Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Notebook computers face issues with hot air reflux due to the second body blocking the discharge path of hot air from the first body, leading to increased surface temperatures and affecting user experience.
Innovation Solution
An electronic device with a movable door mechanism in the airflow channel that opens and closes based on the position of the second body relative to the first body, using magnetic attraction and/or torsion springs to manage airflow, ensuring hot air is discharged externally without blocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the second body is unfolded relative to the first body, then the display area and usability are improved, but the lower edge of the second body blocks the discharge path of hot air, causing hot air to flow to the top surface of the first body or display surface of the second body
Solution Approach 1:
The movable door is designed to dynamically change position based on the configuration state of the notebook computer. When the second body is unfolded, the movable door automatically opens to allow hot air discharge; when folded, it closes to prevent hot air from affecting the display surface. This dynamic adjustment resolves the contradiction between usability and hot air reflux prevention.
Solution Approach 2:
The magnetic attraction mechanism provides automatic feedback control based on the position of the second body. As the second body moves between folded and unfolded states, the magnetic force between the first and second magnetic members changes, automatically triggering the movable door to open or close accordingly. This feedback mechanism ensures the heat dissipation system adapts to different usage states without manual intervention.
2Reliability
If the movable door is held open by magnetic attraction force when folded, then hot air discharge is maintained, but the magnetic force may not be sufficient to overcome gravity and spring force
Solution Approach 1:
The patent combines multiple force mechanisms to ensure reliable heat dissipation: magnetic attraction force between the first and second magnetic members, elastic restoring force from the compressed torsion spring, and gravitational force on the movable door. These forces work together in a coordinated manner - the magnetic force provides the primary opening force, the spring provides additional restoring force and maintains tension, and gravity provides a stabilizing closing force when needed. This merged force system ensures the movable door reliably opens for heat dissipation while maintaining stability in both open and closed states.
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 movable door mechanism effectively prevents hot air from being trapped within the device, maintaining lower surface temperatures and enhancing user experience by ensuring efficient heat dissipation.
Implementation Method 1
a magnetic attraction force generated between the second magnetic member and the first magnetic member fixes the movable door
Implementation Method 2
the magnetic attraction force generated between the second magnetic member and the first magnetic member is smaller than the elastic restoring force of the compressed torsion spring
Implementation Method 3
enabling the movable door to rotate relative to the second body by gravity to open the airflow channel
Data Source
AI summary
Disclosed is an electronic device including a first body, a second body, and a movable door. The first body has a first pivot side and a heat dissipation opening located on the first pivot side, and the second body has a second pivot side pivoted to the first pivot side. An airflow channel is disposed on the second pivot side, corresponding to the heat dissipation opening. The movable door is rotatably disposed in the airflow channel. When the second body is folded on the first body, the movable door closes the airflow channel. When the second body is unfolded relative to the first body, the movable door rotates relative to the second body to open the airflow channel.