Portable Laser Surface Finisher with Micro-LED Coherent Source
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Solution Overview
Problem
Conventional high-power lasers used in surface finishing are bulky and consume high power, limiting their application due to size and energy requirements.
Innovation Solution
A portable surface finishing device utilizing a coherent light source with a compact optical fiber laser, optical calibrating module, and laser scanning module, including a multifaceted reflective structure and DC motor-driven rotation mechanism, which reduces volume and power consumption while enhancing processing efficiency and quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional high-power lasers are used for surface finishing, then processing quality is improved, but device volume and power consumption increase significantly
Solution Approach 1:
The patent replaces conventional mechanical laser sources with a micro-LED coherent light source, substituting a mechanical/optical system with a solid-state semiconductor device. This substitution dramatically reduces device volume while maintaining the coherent light properties necessary for high-quality surface finishing, directly resolving the contradiction between processing quality and device size
Solution Approach 2:
The patent changes the fundamental parameters of the light source by using micro-LED technology with specific coherent emission characteristics. By adjusting the emission wavelength and coherence parameters of the micro-LED, the system achieves surface finishing quality comparable to conventional lasers while maintaining a compact form factor, thus resolving the volume-quality contradiction
2Manufacturing precision
If conventional high-power lasers are used for surface finishing, then processing quality is improved, but power consumption increases significantly
Solution Approach 1:
The patent replaces energy-intensive conventional laser sources with micro-LED coherent light sources, which consume significantly less power. The solid-state micro-LED technology requires minimal electrical energy to generate coherent light, thereby maintaining high surface finishing quality while dramatically reducing power consumption, directly resolving this contradiction
Solution Approach 2:
The patent employs micro-LEDs that operate at low power consumption levels, making the system more energy-efficient. Although micro-LEDs have specific operational lifetimes, their low power requirements and ability to deliver coherent light for surface finishing make them a more sustainable alternative to high-power conventional lasers, resolving the power consumption-quality contradiction
3Reliability
If conventional lasers are used for surface finishing, then coherent light properties are achieved, but device portability is limited
Solution Approach 1:
The patent replaces bulky conventional laser systems with compact micro-LED coherent light sources, enabling portability while preserving coherent light properties. The micro-LED technology inherently provides coherence without requiring large optical cavities or complex alignment mechanisms, thus resolving the contradiction between maintaining coherent light reliability and achieving device portability
Solution Approach 2:
The patent integrates the micro-LED coherent light source within a compact handheld device structure, nesting the light-generating component within a portable form factor. This nesting approach allows the device to maintain reliable coherent light emission while being small enough for portable operation, directly resolving the portability-coherence contradiction
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 device achieves efficient and high-quality surface finishing with reduced size and power consumption, enabling broader application in portable and remote surface treatment tasks.
Implementation Method 1
a laser source 120, and an optical calibrating module 130 and a laser scanning module 140 are disposed in the cover 110. In detail, the laser source 120 is disposed in the cover 110, and is for providing a laser beam
Implementation Method 2
The multifaceted reflective structure is for reflecting the laser beam from the optical calibrating module
Implementation Method 3
The F-theta lens is disposed at the beam output opening of the cover, and is for the laser beam reflected from the multifaceted reflective structure to pass through and focus on the target surface
Data Source
AI summary
A portable surface finishing device based on coherent light source includes a cover, a laser source, an optical calibrating module and a laser scanning module. The cover includes a beam output opening. The laser source is disposed in the cover, and is for providing a laser beam. The optical calibrating module is disposed in the cover, and the laser beam passes through the optical calibrating module. The laser scanning module is disposed in the cover, and the laser beam from the optical calibrating module passes through the laser scanning module so as to linearly output on a target surface. The laser scanning module includes a multifaceted reflective structure, a rotation driving mechanism and an F-theta lens.