阅读说明：本技术 一种电子级玻纤布自动检测线 (Electronic-grade glass fiber cloth automatic detection line ) 是由 张晋勇 于 2018-07-16 设计创作，主要内容包括：本发明公开了一种电子级玻纤布自动检测线,其中：包括主传送带,高速摄像机,PC终端；主传送带用于传送电子级玻纤布；高速摄像机安装于主传送带上；PC终端通过电线与高速摄像机连接；高速摄像机用于对主传送带上传送的电子级玻纤布进行拍摄并将通过拍摄产生的图像文件输出至PC终端；PC终端中包括存储模块,比对模块和命令模块；存储模块用于存储标准图像文件和差异阈值,比对模块用于将高速摄像机输出的图像文件与存储模块中的标准图像文件进行比对运算并根据运算结果输出差异值、在差异值大于差异阈值时通过命令模块对输出的图像文件进行标记。(The invention discloses an electronic grade glass fiber cloth automatic detection line, wherein: the system comprises a main conveyor belt, a high-speed camera and a PC terminal; the main conveyor belt is used for conveying the electronic-grade glass fiber cloth; the high-speed camera is arranged on the main conveyor belt; the PC terminal is connected with the high-speed camera through a wire; the high-speed camera is used for shooting the electronic-grade glass fiber cloth transmitted on the main conveying belt and outputting an image file generated by shooting to the PC terminal; the PC terminal comprises a storage module, a comparison module and a command module; the storage module is used for storing a standard image file and a difference threshold value, the comparison module is used for comparing the image file output by the high-speed camera with the standard image file in the storage module and outputting a difference value according to the operation result, and the command module is used for marking the output image file when the difference value is larger than the difference threshold value.)

1. An automatic detection line for electronic-grade glass fiber cloth is characterized by comprising a main conveyor belt, a high-speed camera and a PC terminal; the main conveyor belt is used for conveying electronic-grade glass fiber cloth; the high-speed camera is arranged on the main conveyor belt; the PC terminal is connected with the high-speed camera through a wire; the high-speed camera is used for shooting the electronic-grade glass fiber cloth transmitted on the main conveying belt and outputting an image file generated by shooting to the PC terminal; the PC terminal comprises a storage module, a comparison module and a command module; the storage module is used for storing a standard image file and a difference threshold value, the comparison module is used for comparing the image file output by the high-speed camera with the standard image file in the storage module and outputting a difference value according to the operation result, and the command module is used for marking the output image file when the difference value is larger than the difference threshold value.

2. An automatic detection line for electronic grade glass fiber cloth as claimed in claim 1, characterized in that a brightness compensation device is further provided.

3. The automatic detection line for electronic grade fiberglass cloth according to claim 2, wherein the brightness compensation device comprises a brightness detector, a lamp head controller and an illuminating lamp which are connected in sequence through electric wires; the illuminating lamp is arranged on the lens side of the high-speed camera and used for outputting compensation illumination; the brightness detector is arranged on the side of the lens of the high-speed camera and used for detecting the ambient brightness at the lens of the high-speed camera, generating a brightness detection signal and outputting the brightness detection signal to the lamp holder controller; the lamp head controller controls the illuminating lamp and adjusts the output brightness of the illuminating lamp according to the brightness detection signal output by the brightness detector.

Technical Field

The invention relates to the technical field of display screens, in particular to an automatic detection line for electronic-grade glass fiber cloth.

Background

The glass fiber cloth is divided into high-alkali cloth, medium-alkali cloth and alkali-free cloth according to the alkali content. The lower the alkali content, the better the breaking and tensile strength, the fabrics can be distinguished according to the conductive capability, the high-alkali fabric is a conductor and can be used as a wire, the medium-alkali fabric is a semiconductor, and the non-alkali fabric is an insulator. The existing optical fiber for signal transmission is glass fiber transmission, belongs to high-alkali cloth, is suitable for magnesite cement building materials at present, is medium-alkali cloth, and is suitable for circuit boards without alkali cloth. In the processing process, one procedure is to detect the cut electronic grade glass fiber cloth. The existing detection processing mainly detects the surface of the electronic-grade glass fiber cloth through a handheld detection device by staff, the problem of low detection precision exists in the processing mode, the detection result is greatly influenced by factors such as personal emotion and fatigue, and the consistency of the product is ensured to be unfavorable. Therefore, it is a direction that those skilled in the art need to research how to develop a new automatic detection line for electronic-grade glass fiber cloth, which can realize automatic detection of electronic-grade glass fiber cloth.

Disclosure of Invention

The invention aims to provide an automatic detection line for electronic-grade glass fiber cloth, which can realize automatic detection of the electronic-grade glass fiber cloth on a conveyor belt. The problems of high cost, low efficiency and high error rate of manual detection are solved.

In order to solve the technical problems, the invention provides the following technical scheme: an automatic detection line for electronic-grade fiberglass cloth, wherein: the system comprises a main conveyor belt, a high-speed camera and a PC terminal; the main conveyor belt is used for conveying electronic-grade glass fiber cloth; the high-speed camera is arranged on the main conveyor belt; the PC terminal is connected with the high-speed camera through a wire; the high-speed camera is used for shooting the electronic-grade glass fiber cloth transmitted on the main conveying belt and outputting an image file generated by shooting to the PC terminal; the PC terminal comprises a storage module, a comparison module and a command module; the storage module is used for storing a standard image file and a difference threshold value, the comparison module is used for comparing the image file output by the high-speed camera with the standard image file in the storage module and outputting a difference value according to the operation result, and the command module is used for marking the output image file when the difference value is larger than the difference threshold value.

The automatic detection line for the electronic-grade glass fiber cloth is further provided with a brightness compensation device.

The above automatic detection line for electronic-grade fiberglass cloth, wherein the brightness compensation device comprises a brightness detector, a lamp holder controller and an illuminating lamp which are connected in sequence through electric wires; the illuminating lamp is arranged on the lens side of the high-speed camera and used for outputting compensation illumination; the brightness detector is arranged on the side of the lens of the high-speed camera and used for detecting the ambient brightness at the lens of the high-speed camera, generating a brightness detection signal and outputting the brightness detection signal to the lamp holder controller; the lamp head controller controls the illuminating lamp and adjusts the output brightness of the illuminating lamp according to the brightness detection signal output by the brightness detector.

By adopting the technical scheme: the brightness detector is used for detecting the ambient brightness at the lens of the high-speed camera, and the lamp head controller correspondingly adjusts the output brightness of the illuminating lamp according to the brightness, so that the brightness of a picture shot by the lens of the high-speed camera can be always kept in a stable range in the whole processing process, the picture file is prevented from being influenced by the ambient brightness which changes around, and the comparison module is prevented from generating wrong comparison results in the comparison calculation process.

Compared with the prior art, the automatic detection device can realize automatic detection of the electronic-grade glass fiber cloth on the conveyor belt, and solves the problems of high manual detection cost, low efficiency and high error rate.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

The correspondence between each reference numeral and the part name is as follows:

a main conveyor 101, a high-speed camera 102, a PC terminal 103, a brightness compensation device 104, a brightness detector 105, a lamp head controller 106, and an illumination lamp 107.

Detailed Description

In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.

As shown in fig. 1, a preferred embodiment of the present invention provides an automatic detection line for electronic-grade fiberglass cloth:

an automatic detection line for electronic-grade fiberglass cloth, wherein: comprises a main conveyor belt 101, a high-speed camera 102 and a PC terminal 103; the main conveyor belt 101 is used for conveying electronic-grade glass fiber cloth; the high-speed camera 102 is mounted on the main conveyor belt 101; the PC terminal 103 is connected with the high-speed camera 102 through a wire; the high-speed camera 102 is used for shooting the electronic-grade fiberglass cloth conveyed on the main conveyor belt 101 and outputting an image file generated by shooting to the PC terminal 103; the PC terminal 103 comprises a storage module, a comparison module and a command module; the storage module is used for storing a standard image file and a difference threshold, the comparison module is used for comparing the image file output by the high-speed camera 102 with the standard image file in the storage module and outputting a difference value according to the operation result, and the command module is used for marking the output image file when the difference value is larger than the difference threshold.

The automatic detection line for electronic-grade fiberglass cloth provided by the embodiment is further provided with a brightness compensation device 104, wherein the brightness compensation device 104 comprises a brightness detector 105, a lamp holder controller 106 and an illuminating lamp 107 which are sequentially connected through electric wires; an illumination lamp 107 is mounted on the lens side of the high-speed camera 102 for outputting compensation illumination; a brightness detector 105 mounted on the lens side of the high-speed camera 102 for detecting the ambient brightness at the lens of the high-speed camera 102, generating a brightness detection signal, and outputting the brightness detection signal to the head controller 106; the head controller 106 controls the illumination lamp 107 based on the luminance detection signal output from the luminance detector 105, and adjusts the output luminance of the illumination lamp 107.

In practice, the working process is as follows:

the electronic grade glass fiber cloth transmitted on the main conveyor belt 101 is photographed and sampled by the high-speed camera 102, and the photographed image file is output to the PC terminal 103. Comparing an image file of the electronic-grade glass fiber cloth with a stored standard image file through a PC terminal 103 and calculating a difference value, defaulting that the electronic-grade glass fiber cloth has no flaws when the difference value generated by comparison calculation is smaller than or equal to a difference threshold value, continuously transmitting the electronic-grade glass fiber cloth to a next processing procedure through a main transmission belt 101, defaulting that the electronic-grade glass fiber cloth has flaws and is unqualified when the difference value generated by comparison calculation is larger than the difference threshold value, outputting and marking the electronic-grade glass fiber cloth through a command module at the moment, continuously transmitting the electronic-grade glass fiber cloth to the next processing procedure through the main transmission belt 101, and manually screening the marked electronic-grade glass fiber cloth.

In conclusion, the automatic detection line for the electronic-grade glass fiber cloth can realize automatic detection of the electronic-grade glass fiber cloth on the conveyor belt, and solves the problems of high cost, low efficiency and high error rate of manual detection.

Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.