Portable Light with Rotatable Diffuser and Heat Sink
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for a high-powered, durable, and easily usable portable light for emergency situations that provides flexible lighting options, such as both focused and diffuse beams, while effectively managing heat and power consumption.
Innovation Solution
A portable light design featuring a light head with concave reflective surfaces, a displaceable diffuser with different dispersal patterns, and a controller that allows for adjustable light levels, along with a heat sink and pivotable connector for efficient heat transfer and ease of use, powered by a battery with an LED driver for controlled illumination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a high-powered light is used to provide sufficient illumination for emergency situations, then the illumination intensity is improved, but the heat generated increases and power consumption increases
Solution Approach 1:
The patent converts the harmful heat generated by high-powered LEDs into a beneficial feature by integrating a heat sink that dissipates heat efficiently, allowing the system to sustain high illumination levels without overheating. The heat management system transforms thermal energy from a harmful byproduct into a controlled aspect of the lighting operation.
2Device complexity
If a single light beam is used to simplify the device structure, then the device complexity is reduced, but the lighting flexibility is reduced
Solution Approach 1:
The patent segments the light output into multiple distinct beams using individual reflectors and optical elements for each LED. This segmentation allows each beam to serve a specific function (e.g., spotlight, floodlight, searchlight) while maintaining a relatively simple overall device structure. The segmented approach provides lighting flexibility without requiring a completely complex multi-component system.
3Adaptability or versatility
If multiple light elements are used to provide flexible lighting options, then the lighting versatility is improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple light elements (LEDs) and their associated optical components into a single integrated light head assembly. This consolidation provides versatile lighting options through multiple beams while avoiding the complexity of separate adjustable systems. The merged design allows various lighting modes to be achieved through electronic control rather than mechanical adjustment, reducing overall device complexity.
4Device complexity
If a fixed light head is used to simplify the mounting structure, then the device complexity is reduced, but the ease of operation is reduced
Solution Approach 1:
The patent implements a rotatable light head that can dynamically adjust its orientation while maintaining a relatively simple mounting structure. The dynamic capability allows the light head to be positioned at different angles for optimal illumination without requiring a complex adjustable mounting mechanism. This dynamic feature significantly improves ease of operation while keeping the mounting structure straightforward.
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 provides a versatile, high-powered portable light that can switch between focused and diffuse beams, effectively manage heat, and adjust illumination levels, ensuring reliable performance in emergency situations.
Implementation Method 1
a reflector comprising a plurality of concave reflective surfaces, wherein each light element is disposed within one of the concave reflective surfaces so that the reflective surfaces focus the light from the light element
Implementation Method 2
The heat sink comprises a plurality of spaced apart fins for transferring heat from the heat sink
Implementation Method 3
A displaceable diffuser selectively diffuses the light from the light elements
Data Source
AI summary
A portable light having a light head with a plurality of light elements and a rotatable diffuser to selectively diffuse the light produced by the light elements. The diffuser is operable by an actuator. The actuator further includes a switch for controlling the dimming level of the light elements. A separate switch controls whether the light is “on” or “off”.