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汽车防护栏刚度检测系统
引用本文:沈海栋,孔明,丁超,王英军,赵军. 汽车防护栏刚度检测系统[J]. 测控技术, 2016, 35(10): 13-18. DOI: 10.3969/j.issn.1000-8829.2016.10.004
作者姓名:沈海栋  孔明  丁超  王英军  赵军
作者单位:中国计量大学计量测试工程学院,浙江杭州,310018
基金项目:国家质量监督检验检疫总局公益性行业科研专项(201310116)
摘    要:近些年来,在发生的交通事故中,因货车将行人卷入车底而造成的伤亡越来越引起人们的关注.货车侧面防护栏是安装在车体两侧的侧面防护装置,对被碰撞对象起到保护作用,因此防护栏的刚度是否符合安全要求就显得尤为重要.汽车防护栏刚度检测系统,能够对汽车侧面防护栏刚度是否符合要求做出准确检测,能够对防护栏施加标准要求的静载压力,且对压力的检测误差在±0.5N范围内.同时能够准确地计算出防护栏因受力而产生的变形量,变形量计算误差在±1 mm范围内,并且能够判断防护栏因受力而产生的变形量是否符合标准的要求.

关 键 词:防护栏  刚度  压力传感器  单片机

Cars Fence-Stiffness Detection System
SHEN Hai-dong,KONG Ming,DING Chao,WANG Ying-jun,ZHAO Jun. Cars Fence-Stiffness Detection System[J]. Measurement & Control Technology, 2016, 35(10): 13-18. DOI: 10.3969/j.issn.1000-8829.2016.10.004
Authors:SHEN Hai-dong  KONG Ming  DING Chao  WANG Ying-jun  ZHAO Jun
Abstract:In recent years,in the traffic accidents,the casualties caused by the truck involving the pedestrian in the vehicle have attracted more and more attention.The side shield of freight car which is installed on both sides of the car body is a side protection device,it plays a protective role against the object being hit,so whether the stiffness of protective fence meets the safety requirements is particularly important.Testing system for stiffness of vehicle protective fence,which can make accurate detection for whether the car side protection column stiffness is in line with the requirements,can exert static load pressure to the protective barrier,and the pressure detection error range is in±0.5 N.It can also give an accurate calculation for the deformation caused by the force of the protective fence,the calculation error range of deformation is in±1 mm,and be able to judge whether the deformation caused by the force of the protective fence meets the requirements of standard.
Keywords:fence  stiffness  pressure sensor  microcontroller
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