System and method thereof for checking product quality

Abstract

The invention relates to a system and a method thereof for checking the product quality. The system comprises a checking implement, a camera device and a checking module, wherein the checking implement is used for positioning a finished product to be checked, the camera device is arranged on the checking implement, the checking implement and the camera device correspond to each other without change, the checking module is used for processing digital signals; check data is generated in such away that standard check signals are irradiated or a product to be checked is input, and the camera device takes a picture and converts the picture signals into digital signals through the check module. The check method is as follows: quality condition is input by using an external interface, and digital picture data of a qualified product is used as a standard, the whole picture is divided into a plurality of pixel regions through the check module according to the specification demands, the picture data of the product to be checked in each pixel region is analyzed one by one in an absolute and relative comparison method so as to judge the location and the type of the defects so that the quality is judged to be good or bad. The system and the method thereof for checking the product quality can accurately judge the quality of the product to be checked, thereby lowering the error ratio of the check result.

Description

technical field [0001] The invention relates to a product quality inspection system and its method. Background technique [0002] Any manufactured product must contain good and bad products. In order to prevent customers from buying defective products and causing damage to the company's reputation, the company will screen out defective products through quality control personnel before the products are shipped. Therefore, quality control personnel can be said to play a very important role in the manufacturing process of products. [0003] In the process of inspecting products, general quality control personnel usually have the following deficiencies: [0004] 1. The quality control personnel directly inspect the quality of the product with the naked eye. However, when there are subtle defects on the product, it is not easy to see the defect with the naked eye, resulting in a high error rate in the inspection results. [0005] 2. Quality control personnel inspect products th...

AI Technical Summary

Problems solved by technology

[0004] 1. The quality control personnel directly inspect the quality of the product with the naked eye. However, when there are subtle defects on the product, it is not easy to see the defect with the naked eye, resulting in a high error rate in the inspection results.

[0005] 2. Quality control personnel inspect products through instruments. However, human factors are also involved in the inspection process, and there will also be quality control errors.

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