Laser Optical Axis Tilting Device with Feedback Compensation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional optical axis tilting devices for laser optical systems face challenges in maintaining angle setting accuracy due to accumulated errors, wear, and distortions in the feed screw mechanism, leading to deviations in tilting accuracy.
Innovation Solution
The device incorporates a tilt frame supported in the XZ and YZ planes with a tilt sensor to detect reference positions, a leveling mechanism, a feed screw driven by a motor, and a position detection system to calculate tilting angles, ensuring accurate tilting despite errors from repetitive drives and wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a feed screw mechanism is used to control the tilting angle, then the device can achieve precise angle setting initially, but accumulated error, wear, and distortion occur during repetitive drives, leading to deviation in angle setting accuracy
Solution Approach 1:
The patent implements feedback by using a tilt sensor to continuously detect the actual tilting angle of the optical axis and comparing it with the target angle. The system automatically adjusts the feed screw mechanism based on the detected deviation, compensating for accumulated errors and wear. This closed-loop feedback ensures that the optical axis maintains accurate tilting angles even after repetitive drives.
Solution Approach 2:
The patent replaces reliance on purely mechanical positioning (feed screw mechanism) with an optical sensing system (tilt sensor) and computational correction. Instead of depending solely on the mechanical precision of the feed screw, the system uses optical detection to measure actual tilt and computationally determines correction amounts, substituting mechanical precision requirements with sensor-based measurement and software control.
2Adaptability or versatility
If the feed screw mechanism is driven repetitively to adjust tilting angles, then the device can adapt to different measurement requirements, but wear and distortion of the feed screw part increase, causing feed error
Solution Approach 1:
The tilt sensor provides continuous feedback on the actual tilting angle, allowing the system to detect deviations caused by wear and distortion. The computing device processes this feedback and automatically compensates for precision losses by adjusting the feed screw mechanism, enabling the system to maintain manufacturing precision despite repetitive use and component degradation.
Solution Approach 2:
The system dynamically changes operational parameters by adjusting the compensation amount based on detected tilt deviations. As wear and distortion accumulate, the system modifies its correction parameters in real-time, allowing it to adapt to changing mechanical conditions while maintaining angle setting precision through parameter optimization rather than relying on fixed mechanical tolerances.
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 configuration ensures precise tilting angle settings relative to horizontal and vertical orientations by detecting and compensating for errors, maintaining accuracy even with aged or worn components.
Implementation Method 1
a tilt sensor which is provided at the tilt frame and is configured to detect a preset reference position of the tilt frame
Implementation Method 2
a feed screw included in the tilting mechanism which is rotatably driven by a driving motor; a feed piece included in the tilting mechanism, which is reciprocated by the feed screw
Data Source
AI summary
An optical axis tilting device of a laser optical system, includes a lens barrel inside of which provided with a laser optical system; a tilt frame supported at the lens barrel; a tilt sensor which is provided at the tilt frame and is configured to detect a preset reference position of the tilt frame; a fixed frame fixed to the lens barrel and provided with a tilting mechanism which tilts the tilt frame relative to a horizontal plane; a leveling mechanism which supports the lens barrel tiltably, and tilts the lens barrel so as to detect the reference position by the tilt sensor and then levels the tilt frame; a feed screw which is rotatably driven by a driving motor; a feed piece which is reciprocated by the feed screw and engages with the tilt frame and tilts the tilt frame relative to the reference position; a piece position detection device configured to detect a position of the feed piece; and a computing device configured to calculate a tilting angle based on the position of the feed piece detected by the piece position detection device.