对置式液压自由活塞发动机电磁阀动态响应的影响因素分析

关帅; 汪洋; 宋飞宇; 汪建才; 吴亦宁; 李小龙; 洪斌; 何亚军

doi:10.13433/j.cnki.1003-8728.2014.0719

对置式液压自由活塞发动机电磁阀动态响应的影响因素分析

doi: 10.13433/j.cnki.1003-8728.2014.0719

1.
天津大学,内燃机燃烧学国家重点实验室天津 300072

基金项目:

天津大学内燃机自主创新项目资助

详细信息

作者简介:
关帅(1987-)，硕士，研究方向为整机性能和内燃机电控，guan662654@sina.Com

通讯作者:
汪洋，教授，博士生导师，wang-yang@tju.edu.cn

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出版历程
- 收稿日期: 2012-07-29
- 刊出日期: 2015-06-10

Influence Factors of Dynamic response Characteristics of Solenoid Valve for Opposed Piston Hydraulic Free Piston Engine

1.
State Key Laboratory of Engines,Tianjin University,Tianjin 300072

摘要

摘要: 根据对置式液压自由活塞发动机的需求,开发了大流量快速响应电磁阀,并对其动态响应影响因素进行了研究和分析。利用Ansoft Maxwell建立了电磁阀的三维有限元仿真模型,搭建了电磁阀响应速度实验测量装置,通过仿真数据与实验数据的对比得出开启时间最大偏差为0.38 ms,关闭时间最大偏差为0.67 ms,验证了该模型的准确性。仿真结果表明:隔磁垫、铁磁材料、弹簧预紧力是低压电磁阀动态响应的主要影响因素,自由升程对开启响应影响较大,而与关闭响应无关联,运动件质量的影响最小。
- 对置式 /
- 液压自由活塞发动机 /
- 电磁阀 /
- 动态响应
Abstract: In accordance with the requirement of opposed-piston hydraulic free piston engine (OPHFPE), wedesigned a new form of solenoid valve with large flow and quick response, and the factors affecting the dynamicresponse of the valve are emphatically researched and analyzed. A finite element model of the solenoid valve,providing the basis for analysis, is established by Ansoft Maxwell. Meanwhile the experimental facility has alsobeen set up. The accuracy of the valve model can be testified by comparing simulation data and experimental data.The results show that the maximum deviation is 0. 67 ms in closing process and 0. 38 ms in opening process. Itindicates that the primary influence factors include shielding magnetism cushion, magnetic material and spring pretightening force, the secondary influence factor is the free lift owing to its influence center on open response, andthe tertiary one is the mass of the moving parts.
- calculations /
- computer simulation /
- design /
- dynamic response

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参考文献(12)

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