摘要
针对现阶段市场上常用的液控伺服阀测试仪普遍存在的重量大、移动困难,精确度及功能拓展性不强的现状,设计并实现了一种新型便携式伺服阀测试仪,主要功能是为伺服阀提供电源、输入信号,以及通过监测阀芯位置输出信号来确定阀芯的运动位置,可在工业现场对伺服阀进行测试。测试仪具有高效的DC/DC转换效率,通过多级闭环控制电路实现高精度、多量程和高稳定性的电流或电压输出,可以提供四种不同的指令,满足6+PE的信号规格。现场测试结果表明,该仪器运行稳定可靠、使用方便、测量准确,具有较强的通用性。
For the present situation on the market of widely used direct drive valve（ DDV） tester has disadvantages such as heavy weight and moving difficulty,this paper designed a portable servo valve testing instrument. In order to ensure high precision,multi-range and high stability current or voltage output and it can provide four different command signals to meet 6 ＋ PE pole connector,multistage closed-loop control circuits and high-efficiency,reliable DC/DC converters need to be designed. The industrial field experiment shows that all the testing instrument is characterized with stable and convenience and excellent property in current use.
作者
张瑜
刘远
孙亿平
ZHANG Yu1,2,LIU Yuan2,Sun Yi-ping3(1. School of Jiangsu University of Science and Technology,Zhenjiang 212003,Jiangsu Province, China;2 .Naval Unit N o .91917,Beijing 102401,C h ina;3. China United Network Communications Cooperation,Beijing 100010,Chin)
出处
《信息技术》
2018年第4期110-114,共5页
Information Technology
