Bar code identification based product inspection system

Abstract

The invention relates to a product testing technology based on identify code identification. The method comprises: the setting steps: using different identify codes as the identifying tag of different types of product, setting the external processing mode with different identify codes product in the embedded controller by statistic the tested product identify code types; the reading steps: transmitting the red identify code information of each product to the corresponding programmable embedded controller; the comparing step: comparing the red identify code information with the stored identify code information by the embedded controller to finish the external processing mode with different identify codes product.

Description

technical field [0001] The invention relates to a product detection method and detection system based on barcode identification. Background technique [0002] In the field of production control, especially product testing, it is often identified and differentiated manually or by instruments. [0003] Let's take the signature detection on the collating machine of the printing system as an example to illustrate. [0004] One of the printed matter production processes is to bind and form the single-page printed sheets printed by the printing machine, and one of the keys to the success of printed products is the pagination process. [0005] In order to avoid the phenomenon of adding wrong book posts such as repeated posts, fewer posts, random posts, etc., there are two main solutions currently used: [0006] One is to adopt the principle of photoelectric diffusion and reflection, use the expensive light sensor and the signature in close contact, use the red LED as the light so...

AI Technical Summary

Problems solved by technology

[0008] The defect of the first solution is: it is sensitive to the surrounding light, and has a great dependence on the smoothness, reflective performance and printing density of the signature paper. Especially for signatures with large color changes, the inspection accuracy is very low, and the ideal effect cannot be achieved. ;

[0009] The defect of the second scheme is: due to the placement offset, or during the working process, the relative position of the signature sometimes moves or reverses, resulting in a low identification rate of signatures

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