摘要
先导阀是阻尼连续可调减振器电磁阀中的关键结构,主要调节主溢流阀的开启压力,其性能的优劣直接影响阻尼连续可调减振器阻尼特性。以一种双复位结构的阻尼连续可调减振器先导阀为研究对象,首先对比先导阀Maxwell、Femm仿真和试验数据,验证仿真模型的正确性;然后通过参数化仿真和温升试验,分析漆包线线径、漆包线耐温等级、软磁材料、结构尺寸对先导阀性能的影响。结果表明,电磁力与线径呈正相关,线径增大到0.45 mm临界点后先导阀稳恒力特性逐渐恶化,漆包线耐温等级240℃限制先导阀工作最大电流为2 A,软磁材料的膝点位置影响先导阀稳恒力特性,尽量减小侧向间隙有利于提高先导阀性能,导磁环高度对先导阀性能影响最为显著。研究旨在为阻尼连续可调减振器先导阀设计提供有益的理论参考。
Pilot valve is the key structure of continuous damping control shock absorber solenoid valve,which mainly regulates the opening pressure of the main relief valve,and its performance directly affects the damping characteristics of continuous damping control shock absorber.Taking a double-reset continuous damping control shock absorber pilot valve as the research object,firstly,Maxwell,Femm simulation and experimental data of the pilot valve are compared to verify the correctness of the simulation model.Then,the effects of enamelled wire diameter,enamelled wire temperature resistance class,soft magnetic material and structure size on the performance of the pilot valve are analyzed through parametric simulation and temperature rise test.The results show that the electromagnetic force is positively correlated with the wire diameter,and the steady force characteristic of the pilot valve deteriorates gradually when the wire diameter increases to the critical point of 0.45 mm.The temperature resistance grade of the enameled wire 240 ℃ limits the maximum operating current 2 A of the pilot valve,the knee position of the soft magnetic material affects the steady force characteristic of the pilot valve,and the performance of the pilot valve is improved by reducing the lateral clearance as much as possible.The height of the magnetic permeator has the most significant effect on the performance of the pilot valve.The research aims to provide a useful theoretical reference for the design of continuous damping control shock absorber pilot valve.
作者
郑志斌
曲宝军
张广世
ZHENG Zhibin;QU Baojun;ZHANG Guangshi(Shandong University of Technology,Zibo,Shandong 255000;Tianrun Industry Technology Co.,Ltd.,Weihai,Shandong 264400)
出处
《液压与气动》
北大核心
2024年第8期46-55,共10页
Chinese Hydraulics & Pneumatics
基金
山东省重点研发项目(2023CXGC010211)。
关键词
阻尼连续可调减振器
先导阀
电磁力
漆包线
软磁材料
continuous damping control shock absorber
pilot valve
electromagnetic force
enamelled wire
soft magnetic material
