Rotating Radiator Blades for Compact Heat Exchange
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Solution Overview
Problem
Existing heat dissipation systems in electric devices, relying on static cooling fins and fans, suffer from inefficiencies due to uneven air flow and large volume requirements for effective cooling.
Innovation Solution
A radiator design featuring a rotatable radiating part with blades that draws in and expels fluid to enhance heat exchange, combined with a heat conductive part and heat conductive fluid to improve thermal conductivity and reduce volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If static cooling fins and fans are used for heat dissipation, then the device structure is simple, but the heat exchange efficiency is low and the device volume must be large
Solution Approach 1:
The radiating part is designed to rotate dynamically rather than remain static. The rotation is driven by temperature differences that cause density changes in the heat conductive fluid, creating natural convection currents that spin the radiating part. This dynamic motion continuously exposes different surfaces to the heat conductive fluid, significantly enhancing heat exchange efficiency without requiring a large device volume.
2Productivity
If large cooling fins are used to achieve good cooling effect, then the heat exchange efficiency is improved, but the device volume increases
Solution Approach 1:
Instead of using large static cooling fins, the invention employs a compact radiating part that rotates dynamically. The rotation motion allows a smaller surface area to achieve the same or better heat exchange efficiency by continuously exposing fresh surfaces to the heat conductive fluid, eliminating the need for large cooling fin areas.
Solution Approach 2:
The invention utilizes natural convection currents of the heat conductive fluid (pneumatic principle) to drive the rotation of the radiating part. Temperature differences create density variations in the fluid, generating buoyancy forces that spin the radiating part without mechanical motors, thereby enhancing heat exchange in a compact space.
3Productivity
If fans are used to blow air over cooling fins, then the heat dissipation speed is improved, but the device complexity and energy consumption increase
Solution Approach 1:
The cooling system is designed to be self-driven through natural convection. The heat conductive fluid naturally circulates and drives the rotation of the radiating part through buoyancy forces caused by temperature differences. This eliminates the need for external fans or motors, reducing device complexity and energy consumption while maintaining effective heat dissipation speed.
Solution Approach 2:
The invention employs natural convection currents (pneumatic principle) to replace mechanical fans. The heat conductive fluid's density changes due to temperature gradients create self-sustaining flow patterns that drive the radiating part's rotation, achieving active heat dissipation without mechanical propulsion devices.
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 rotatable radiator achieves a higher heat exchange efficiency by accelerating fluid contact with the blades, resulting in better cooling performance without increasing the device's volume.
Implementation Method 1
a heat conductive fluid, the heat conductive fluid is in between the housing of the radiating part and the receiving section of the heat conductive part
Implementation Method 2
when the radiating part rotates, fluid can be drawn into one end of the receiving section and then blown out at the other end by the blades
Data Source
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AI summary
A radiator and an electric device comprising the radiator are provided. The radiator comprises: a radiating part (10) which includes a housing (12) and a set of blades (14) which are arranged on the inner surface of the housing (12); a heat conductive part (20) which includes a shell (22), the shell (22) has a heat conductive surface (23) which is configured to be in contact with a heat source (90); and a receiving section (24) with two open ends, the receiving section (24) is defined by the shell (22), and the receiving section (24) is configured to receive the radiating part (10); wherein, the radiating part (10) is rotatablely fixed on the receiving section (24) of the heat conductive part (20), when the radiating part (10) rotates, fluid can be drawn into one end of the receiving section (24) and then blown out at the other end by the blades (14). The radiating part is able to exchange heat constantly with new fluid. At the same time, the rotation of the blades can expel the fluid with higher temperature and draw in fluid with lower temperature to perform new heat exchange, accelerating the contact speed of the fluid and the surface of the blades of the radiating part, resulting in a better heat exchange rate.