Illuminator Heat Pipe Dissipation for LED Focusing
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Solution Overview
Problem
Conventional illuminators with LED light sources face heat dissipation challenges due to a limited heat-dissipating area of the aluminum base, which affects light emitting efficiency and results in unstable color performance and higher color temperature, and enlarging the base compromises light focusing and diffusing performance.
Innovation Solution
An illuminator arrangement featuring a reflecting body with a cone surface and slots for heat pipes that extend from the aluminum base, allowing for effective heat dissipation while maintaining the base's smaller size, enabling the light source to move freely and maintain light focusing and diffusing capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the size of the aluminum base is enlarged to increase heat-dissipating area, then heat dissipation performance is improved, but the moving space of the light source is limited so that the performances of focusing light and diffusing light are degraded
Solution Approach 1:
The patent divides the heat dissipation function from the light source base by introducing a separate heat pipe component. The aluminum base maintains its small size for light source movement, while the heat pipe extends outward to provide additional heat dissipation area through slots on the reflecting body, effectively segmenting the thermal management function from the optical positioning function.
Solution Approach 2:
The heat pipe extends in a direction perpendicular to the main optical axis, utilizing the radial space around the light source rather than increasing the base size in the optical path direction. This dimensional change allows heat dissipation area expansion without compromising the light source's moving space for focusing and diffusing operations.
2Adaptability or versatility
If the size of the aluminum base is limited to be smaller than the bottom opening to maintain light source movement, then light focusing and diffusing performance is preserved, but the heat-dissipating area is not large enough to well dissipate heat from the light source
Solution Approach 1:
The heat pipe acts as an intermediary component between the aluminum base and the external environment. It connects to the aluminum base and extends through slots in the reflecting body, serving as a mediator that transfers heat away from the constrained aluminum base without interfering with the light source's movement within the receiving space.
Solution Approach 2:
The heat pipe utilizes a flexible, elongated structure that can extend through the slots in the reflecting body and bend within the receiving space. This flexible configuration allows the heat dissipation surface to be positioned optimally without rigid structural constraints, maximizing heat transfer efficiency while preserving light source mobility.
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, stabilizes light performance, and minimizes the impact of high temperatures on LED light sources, maintaining illumination quality with a slight reduction in intensity.
Implementation Method 1
the heat pipe being made of the material which is a good heat conductor
Implementation Method 2
at least one heat pipe extended from the periphery of the aluminum base
Implementation Method 3
the light beams from the light source are only refracted by the lens
Implementation Method 4
a plurality of light beams from the light source is reflected by the reflecting body
Data Source
AI summary
An illuminator arrangement with less heat intervention includes a reflecting body having a top opening and a bottom opening, a lens assembled above the top opening, an aluminum base assembled at the bottom opening, at least one heat pipe extended from the aluminum base, a light source assembled on the aluminum base, the heat pipe being made of the material which is a good heat conductor. Under this arrangement, the aluminum base could be moved up and down relative to the top opening so that the light source on the aluminum base could move toward the lens or moves away from the lens so as to diffuse light or focus light. Furthermore, the heat pipe dissipates the heat generated by the light source away from the reflecting body.