The Research Of Digital Scale Detection System Based On Vision Measurement Technology

Bar code leveling staff is the carrier of Digital Level Measurement System showing.Bar code line scored a direct impact on the accuracy of the measurement of quality standards.By analyzing the structure of the bar code leveling staff,Understand how it works,and then against defects existing domestic means of detection,the formation of the overall design ideas in this paper.Firstly,hardware structure and technology demand is designed,and then item design is done by the hardware structure,with measuring automatically and developing datum dealing software,a completely automatically testing system on barcode is established.Through error resource analysis and uncertainty evaluation,the overall accuracy is calculated,and tries to find the potential problem and solve it.Lastly,a lot of experiments about parameter angle are carried out to verify the system designing aim.The experiments states following content,the testing system with reasonable structure,stable performance,high automation.The accuracy of testing system satisfies requirements of national measurement specifications,which can test automatically different type barcode.The testing system is combined precision motion technology,laser measurement technology,vision measurement technology and automation measurement technology in the structure designing,and accuracy analysis,optimization design is also considered for testing accuracy and testing effect promotion.It is useful reference for interrelated investigators.