Autonomous Optical Inspection Device for Solar Panel Defect Detection
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Solution Overview
Problem
Manual maintenance and inspection of large solar panel arrays are costly, labor-intensive, and prone to quality fluctuations, with existing cleaning devices unable to detect residual pollutants or mechanical defects effectively.
Innovation Solution
A device equipped with a contact image scanner and autonomous movement capabilities for inspecting solar panel surfaces at their installation site, capable of detecting a range of pollutants and defects, including those beneath the surface, using optical sensors and a light source, and optionally integrated with a cleaning unit for simultaneous cleaning and defect identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual inspection methods are used, then flexibility and adaptability are maintained, but labor costs increase and inspection quality fluctuates
Solution Approach 1:
The inspection device is designed to autonomously navigate solar panel arrays and perform inspections without continuous human intervention. The system self-manages movement between panels, image capture, and defect identification, reducing labor costs while maintaining consistent inspection quality through automated processes
Solution Approach 2:
Manual inspection processes are replaced with an automated optical inspection system that uses cameras, image processing algorithms, and automated navigation. This substitution eliminates human labor variability while maintaining adaptability through programmable inspection parameters and AI-based defect recognition
2Reliability
If cleaning devices are used regularly, then energy production is maintained, but ability to detect defects is lost
Solution Approach 1:
The system merges cleaning functionality with inspection functionality into a single integrated platform. The inspection device can operate independently of cleaning operations, capturing high-resolution images for defect detection without being affected by cleaning activities. This combination allows simultaneous maintenance and inspection functions without interfering with each other
Solution Approach 2:
The inspection system performs preliminary defect identification before cleaning operations. By detecting defects, pollutants, and panel issues in advance, the system can prioritize cleaning efforts and identify panels requiring immediate attention, thereby maintaining energy production while enabling defect detection
3Measurement precision
If comprehensive inspection is performed, then defect detection accuracy improves, but inspection time increases
Solution Approach 1:
The system employs multi-resolution inspection strategies where standard inspection modes cover大面积 areas at lower resolution for quick scanning, while suspicious or critical areas undergo detailed high-resolution examination. This partial excessive action ensures comprehensive coverage with acceptable accuracy while minimizing total inspection time through intelligent sampling
Solution Approach 2:
The inspection system uses real-time image processing and AI-based defect recognition to provide feedback during inspection. The system automatically identifies potential defects, adjusts inspection parameters, and prioritizes areas requiring detailed examination. This feedback mechanism enables adaptive inspection that maintains high accuracy while reducing time spent on obviously defective or normal panels
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
Enables efficient, autonomous, and accurate inspection of solar panel surfaces, including defects beneath the surface, reducing manual labor costs and improving energy production by identifying and addressing anomalies promptly, with the ability to track panel performance and maintenance needs.
Implementation Method 1
an optical detection device formed by a linear arrangement of optical sensors which are configured to extend over a width of the solar panel arrangement
Implementation Method 2
The semi conductor surface is exposed by light generated by the LED light source
Data Source
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AI summary
The invention relates to a device for inspection of a solar panel arrangement (101) which allows for surface inspection of solar panel arrangements at the place of installation, comprising an optical detection device (103), and means for moving (104,106) the optical detection device with respect to a surface of the solar panel arrangement, wherein the optical detection device is configured to detect alterations such as environmental pollutions or defects located within the surface of the solar panel arrangement. It is the object of the invention to provide a device for inspection of a solar panel arrangement.