A visual detection method and a system for filling defects of a dry battery pulp layer paper

Abstract

The invention discloses a visual detection method and a system for filling defect of a dry battery pulp layer paper. The detection method comprises the following steps: a detection camera is initialized; after the synchronization signal is captured, the visual light source is turned on to detect a frame of image collected by the camera and marked as P; gray linear stretching and Gaussian blur areapplied to the image P; using canny edge detection algorithm, the edge of the preprocessed image P is extracted; using a Hough algorithm, the position of zinc cylinder mouth is located, and the ROI image is set to filter the irrelevant area; the area A of the pulp layer paper is obtained by using the binary threshold and the area growth algorithm; the area A is compared with the standard value, and when the pulp sheet is defective, the dry cell is removed and the next dry cell is then detected. The system mainly includes an industrial intelligent camera and rejection device. The detection method and the system can not only detect the pulp layer paper in real time, but also have the advantages of high detection efficiency and low cost.

Description

technical field [0001] The invention relates to dry battery preparation technology, in particular to a visual inspection method and system for filling defects of dry battery slurry layer paper. Background technique [0002] In the process of dry battery production, the pulp layer paper is cut into a specific length by mechanical cutting, the cut pulp layer paper is wound up by the machine, and is sucked on the filling machine by vacuum, and then the cam of the filling machine The structure packs pulped paper into the interior of the zinc cylinder to fill the electrolyte. [0003] In order to meet the performance requirements of charging and discharging of dry batteries, the pulp paper must match the zinc cylinder. However, under the influence of factors such as insufficient precision of mechanical cutting, instability of vacuum adsorption force and stability of filling machine, it is inevitable that the pulp paper will have the following defects during the filling process: ...

AI Technical Summary

Problems solved by technology

However, under the influence of factors such as insufficient precision of mechanical cutting, instability of vacuum adsorption force and stability of filling machine, it is inevitable that the pulp paper will have the following defects during the filling process: missing pulp paper, too high pulp paper , Pulp layer paper is too low, pulp layer paper dislocation, pulp layer paper folding angle, etc.

[0005] However, the disadvantages of the above-mentioned vision system in the process of use are: its detection method needs to use multiple cameras to detect the battery at multiple angles at the same time, which will cause the entire system to become larger in size, low in system integration, and complex in structure. The production cost is high; or the dry battery is driven to rotate for detection, which will reduce the efficiency of detection, thereby reducing production efficiency

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