Expandable Thermal Unit for Laptop Cooling
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Solution Overview
Problem
Premium laptops face overheating issues due to their slim and portable design, which restricts the use of large fans for ventilation, and existing expandable chassis solutions do not provide sufficient cooling to prevent overheating during prolonged use.
Innovation Solution
An expandable thermal unit comprising a hybrid heat exchanger with a stationary copper section and a movable graphite section that expands to enhance heat dissipation, combined with an expandable fan unit that increases airflow through the heat exchanger, allowing for improved heat removal from the laptop.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If large fans are used for better ventilation, then cooling effectiveness is improved, but chassis size increases
Solution Approach 1:
The heat exchanger is designed with an expandable structure that can dynamically change its configuration. The movable section can be positioned to extend the heat exchanger when cooling is needed, and retracted when portability is prioritized, allowing the system to adapt between compact form and effective cooling surface area.
Solution Approach 2:
The heat exchanger employs a nested structure where the movable section can be stored within or alongside the stationary section. This nesting mechanism allows the expandable heat exchanger to maintain a compact profile when not in use while providing extended cooling surface area when deployed, effectively resolving the contradiction between size and cooling performance.
2Temperature
If expandable chassis is used to provide greater ventilation, then cooling from ambient air is improved, but cooling effectiveness during prolonged use is insufficient
Solution Approach 1:
The heat exchanger combines copper and graphite materials in a hybrid structure. Copper provides excellent thermal conductivity for heat transfer from the laptop components, while graphite adds complementary thermal management properties. This composite material approach enhances overall cooling effectiveness and reliability during prolonged use.
Solution Approach 2:
The expandable heat exchanger dynamically adjusts its configuration to optimize cooling performance. The movable section can be extended to increase the heat exchange surface area and improve airflow pathways, ensuring sufficient cooling capacity even during extended periods of high thermal load.
3Temperature
If hybrid heat exchanger with movable section is used, then heat dissipation is enhanced, but device complexity increases
Solution Approach 1:
The heat exchanger incorporates a movable section that can be actuated to change the configuration. This dynamic element allows the system to transition between compact and expanded states, providing enhanced heat dissipation when needed while maintaining a simpler profile during normal operation.
Solution Approach 2:
The movable section is designed to nest within or alongside the stationary section when not in use. This nesting mechanism minimizes the increase in device complexity by allowing the additional cooling components to be stored in a space-efficient manner, reducing the impact on overall system complexity.
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 effectively reduces skin temperatures by 3-8°C on the laptop's surface, providing enhanced thermal performance and preventing overheating, even in compact laptop form factors.
Implementation Method 1
a hybrid heat exchanger with a stationary copper section and a movable graphite section
Implementation Method 2
a hybrid heat exchanger with a stationary copper section and a movable graphite section
Implementation Method 3
an expandable fan unit that increases airflow through the heat exchanger
Implementation Method 4
enhance heat dissipation
Data Source
AI summary
According to the present disclosure, a laptop may be provided with a compartment including a moveable segment, an expandable heat exchanger with a movable section, and an expandable fan unit. The release of the movable segment of the compartment from a lower portion of the compartment produces an opening in the compartment and the movable section of the expandable heat exchanger is extended downward, and the expandable fan unit is lowered when the movable segment of the compartment is released.