真空助力器性能在线检测系统的研究  

Research on Performance On-line Test System for Vacuum Booster

作　　者：金浪滨[1] 陆艺[1] 范伟军 阙飚[1] 

机构地区：[1]中国计量学院 [2]杭州沃镭科技有限公司

出　　处：《汽车技术》2012年第5期50-53,共4页Automobile Technology

基　　金：国家质检总局科技计划项目(2011QK396);国家质检总局公益性行业科研专项项目(201210109)

摘　　要：应用高速数据采集技术和计算机自动控制技术设计了真空助力器性能在线检测系统,其测试项目包括真空助力器输入、输出特性及真空密封性。在设计中引入伺服加载机构,实现了真空助力器加载速度的精确可调,提高了在线检测效率。试验结果表明,该检测系统密封性测量分辨率为0.01 kPa,输入、输出力分辨率为1 N,检测数据可靠有效。Vacuum booster performance on-line test system is designed with high-speed data acquisition technology and compute control technology, test items include vacuum booster input-output characteristic and vacuum sealing. Servo-loading mechanism is introduced in the design, which makes load speed precise and adjustable, and improves on-line test efficiency. Test result shows that vacuum resolution of this system is 0.01 kPa and the input-output force resolution is 1 N, the detection data is reliable and valid.

关 键 词：真空助力器 在线检测 输入输出特性 密封性 精度 

分 类 号：U463.217[机械工程—车辆工程]