Plain butt weld detection system based on dual-path converged adjustable light path

A technology for butt welds and detection systems, applied in measuring devices, material analysis through optical means, instruments, etc., can solve problems such as being susceptible to interference, small features, and affecting the development of automatic welding technology for welds, so as to increase the intensity of light , The best effect of imaging clarity

Inactive Publication Date: 2014-04-16
TANGSHAN YINGLAI SCI & TECH
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Problems solved by technology

It is difficult to realize real-time, effective and reliable high-precision detection due to the small characteristics of the weld seam itself, which is easily affected by interference by using conventional line-structured light welding seam detection, which affects the development of automatic welding technology for this type of weld seam

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  • Plain butt weld detection system based on dual-path converged adjustable light path

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[0010] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific diagrams and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0011] refer to figure 1 , the embodiment of the present invention provides a non-groove butt weld inspection system based on a two-way convergent adjustable optical path, including an imaging device 1 and an image controller 3 connected thereto, the imaging device is a CCD camera or a CMOS camera, On both sides of the imaging device 1, a light source generating device 21 and a light source generating device 22 are symmetrically arranged, and the centers of the two light source generating devices are on the same level as the lens surface of the CCD camera or CMOS camera, and the light so...

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Abstract

The invention relates to a plain butt weld detection system based on a dual-path converged adjustable light path. The plain butt weld detection system comprises an imaging device and an image controller, wherein the image controller is connected with the imaging device; two light source generation devices are symmetrically arranged on both sides of the imaging device, can rotate at a certain angle with a vertical direction; light rays emitted from the light source generation devices pass through a detected plate to enter the imaging device, the imaging device transmits an image to the image controller, and the image controller processes the received image to obtain a high-definition weld detection image. The detection system disclosed by the invention realizes the detection illumination of a plain butt weld by utilizing the dual-path converged light path, thereby enhancing the illumination intensity and eliminating the influence of a shadow generated through a single-path light irradiation weld on the detection of a weld position; the light path is changed by adjusting the angles of the light sources and the adjustment of the optimal incident angle of the light path before convergence can be realized, so that the weld illumination of different positions can be realized and an clearly imaged weld image is obtained.

Description

technical field [0001] The invention relates to the field of weld seam detection, in particular to a non-groove butt weld seam detection system based on a two-way converging and adjustable optical path. Background technique [0002] In the field of welding automation, automatic welding of thin plate welds such as aluminum plates and stainless steel plates is often required. Such welds usually do not have grooves, and the weld gap is zero gap or small gap (within 0~1mm). And the requirements for the real-time performance, precision and reliability of weld detection are relatively high (the detection time is within 0.05s, and the detection accuracy is within 0.05mm). It is difficult to realize real-time, effective, reliable and high-precision detection due to the small characteristics of the weld seam itself, which is easily affected by interference by using conventional line structured light welding seam inspection, which affects the development of automatic welding technolog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/84
Inventor 袁雷赵治军曹晓娜刘长鹤刘鸿鹏
Owner TANGSHAN YINGLAI SCI & TECH
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