Rotating Reflector Laser Scanning for Faster Beam Coverage
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Solution Overview
Problem
Laser processing devices are inefficient due to speed limitations in the X- and Y-axis motors, failing to meet growing user demands for faster processing.
Innovation Solution
A scanning device with a laser transmitter and a reflection assembly, where the first reflector is driven to rotate, changing the laser beam's direction to form an arc-shaped motion track, allowing for efficient movement and increased action range by leveraging small angle-large distance principles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If motors in X- and Y-axes are used for scanning, then the laser processing device can move the laser beam across the material surface, but the processing speed is limited by the motor speed
Solution Approach 1:
The patent replaces the traditional mechanical scanning system (motors moving scanners along X and Y axes) with a rotating reflector system that uses rotational motion to deflect the laser beam. The reflector rotates to change the laser beam direction, eliminating the need for slow mechanical movement of scanners and enabling much faster scanning speeds that improve overall processing efficiency
Solution Approach 2:
The patent introduces dynamic motion by rotating the reflector at controlled speeds to achieve rapid laser beam positioning. Instead of static or slowly moving mechanical scanners, the rotating reflector creates dynamic scanning paths that can cover larger areas in shorter time, directly addressing the speed limitation of motor-driven systems
2Area of stationary object
If the laser beam is reflected by the first reflector to change direction, then the action range of the laser beam is expanded, but the system complexity increases
Solution Approach 1:
The rotating reflector serves multiple functions: it acts as both a beam deflecting element and a scanning mechanism, replacing what would traditionally require separate X-Y scanner assemblies. This multi-functional component expands the laser beam's action range while minimizing the increase in system complexity by consolidating functions into a single rotating element
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
This solution enhances scanning efficiency by allowing the laser beam to cover a larger area with smaller angular rotations, improving operation efficiency and expanding the action range of the laser beam.
Implementation Method 1
the first reflector is configured to reflect a laser beam emitted by the laser transmitter to the optical element
Data Source
AI summary
The present disclosure provides a scanning device, including a laser transmitter and a reflection assembly. The reflection assembly includes a drive member and a first reflector, the drive member being configured to drive the first reflector to rotate; the laser transmitter is configured to emit a laser beam, and an emitting end of the laser transmitter is arranged facing the first reflector, causing the laser beam being emitting toward the first reflector and the first reflector to reflect the laser beam to change a direction of the laser beam.