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Alternative TitleMethod for detecting geometric shape of back of tailor-welding weld and implementing device thereof
邹媛媛; 张承宁; 柳连柱; 孙元; 池世春; 许敏
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to a method for detecting the geometric shape of the back of a tailor-welding weld and an implementing device thereof. The method comprises the following steps that: a linear laser is used for projecting laser on the back of a tailor-welding weld so as to generate a plurality of laser streaks on the surface of the tailor-welding weld a sensing unit acquires and obtains a weld surface gray level image including the laser streaks and transmits the acquired image to an image processing unit the image processing unit processes the acquired weld image to obtain all shape parameters and the weld quality is judged and thus the detection on the geometric shape of the back of the weld is finished. The implementing device of the method comprises a sensing unit, an image processing unit and a parameter setting and control unit, wherein the sensing unit is used for acquiring the image of a tailor-welding weld and transmitting the image to the image processing unit, the image processing unit is used for processing the acquired weld image, the parameter setting and control unit is used for setting all parameters and is respectively in communication with the sensing unit, the image processing unit and an upper computer. According to the invention, detection error caused by interference factors such as dust on the back of the weld, welding splatter, board scratch and the like in the welding process can be avoided, and the detection accuracy is improved greatly.
PCT Attributes
Application Date2010-10-27
Date Available2014-01-15
Application NumberCN201010521299.7
Open (Notice) NumberCN102455171A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
邹媛媛,张承宁,柳连柱,等. 一种激光拼焊焊缝背面几何形貌检测方法及其实现装置[P]. 2012-05-16.
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