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Hidden cracks, hot spots, and PID effects are three important factors that affect the performance of photovoltaic modules and have recently attracted attention from everyone. Today, I will explain to you about hidden cracks.

Machine vision light is part of machine vision imaging, and in machine vision, light sources mainly play the following roles

A parallel coaxial light is a coaxial light source that emits collimated light. The light is square and consists of a point light paired with a Fresnel lens or convex lens, and a semi transparent and semi reflective splitter structure (splitter lens or splitter prism) at the front end.

In machine vision inspection systems, the selection of light directly affects the quality of input data and application effectiveness, playing a crucial role in the overall level of product inspection. Due to the lack of universal lighting equipment for machine vision inspection, it is necessary to perform lighting based on the samples provided by the customer, specifically determine the type and model of the light, and proceed with the next step of online debugging

Machine vision detection technology is to simulate human visual functions through computers, add "eyes" to the machine, obtain image information of objects through these "eyes", extract useful information for analysis and processing, and make judgments based on rules to complete quality detection.