基于影像分析法的布氏压痕测量硬件选型研究  

Hardware Configuration of Brinell Indentation Measurement Based on the Image Analysis

作　　者：任翔 陆进宇 李建鹏 REN Xiang;LU Jinyu;LI Jianpeng(Henan Institute of Metrology,Zhengzhou 450000,China)

机构地区：[1]河南省计量科学研究院,郑州450007

出　　处：《计量科学与技术》2020年第10期51-53,共3页Metrology Science and Technology

基　　金：河南省质量技术监督局科技计划资助项目(2017zj91)。

摘　　要：分析高清晰影像测量技术的基本原理,结合GB/T 231.3-2012对标准布氏硬度机压痕测量系统的要求,研究压痕测量系统中工业相机及镜头的选型,从而研制一套基于高分辨率工业相机及电动变倍双远心镜头的全自动压痕测量系统,以解决现有布氏硬度压痕测量耗时久且测量结果受人为因素影响大的问题。研究结果表明:其可满足布氏硬度块不同压痕尺寸及相应精度的自动化测量要求。By analyzing the basic principles of high-definition image measurement technology,in association with therequirements of GB/T-231.3—2012 for the standard Brinell hardness machine indentation measurement system,this pa-per studied the configuration of industrial cameras and lenses and developed an automatic indentation measurement systemequipped with a high-resolution industrial camera and bi-telecentric zoom lenses with motorized control.This system solvesthe problem of time-consuming in the existing Brinell hardness indentation measurement and the results are greatly affectedby artificial factors.The research results show that the system can meet the Brinell automatic measurement requirements fordifferent indentation sizes and corresponding accuracy of hardness test blocks.

关 键 词：布氏硬度块 全自动布氏硬度块压痕测量装置 分辨率 电动远心变倍镜头 机械视觉技术 

分 类 号：TH87[机械工程—仪器科学与技术]