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浙江大学学报(工学版)
J4  2012, Vol. 46 Issue (2): 309-314    DOI: 10.3785/j.issn.1008-973X.2012.02.020
机械工程、能源工程     
永磁屏蔽式耐高压高速开关电磁铁
满军1, 丁凡1, 李其朋1,2, 笪靖1,3, 邵森寅1,4
1.浙江大学 流体传动及控制国家重点实验室, 浙江 杭州 310027;2.浙江科技学院 机械与汽车工程学院,浙江 杭州,310023;
3.镇江船艇学院 船艇工程学系,江苏 镇江,212003; 4. 92132 部队装备部
Study of high-pressure high-speed on-off solenoid using
permanent magnet shield
MAN Jun 1, DING Fan 1, LI Qi-peng 1,2, DA Jing 1,3, SHAO Sen-yin1,4
1. State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou, 310027, China;
2. School of Mechanical and Automotive Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, China;
3. Department of Watercraft Engineering, Zhenjiang watercraft college, Zhenjiang, 212003, China;
4. Armament Department of troop 92132
 全文: PDF 
摘要：

为了提高电磁力、加快响应速度,提出一种永磁屏蔽式耐高压高速开关电磁铁,采用NdFeB稀土永磁材料作为磁屏蔽元件,减少漏磁并加快了动态响应.基于有限元方法建立电磁铁的动态数学模型,并通过实验进行验证,实验与仿真基本吻合,响应误差为3.2%,验证模型的有效性.在此基础上,对该高速开关电磁铁进行动态仿真,探讨永磁体长度、厚度、激磁方向,盆口高,耐压环厚度,隔磁片长度,前隔磁角和后隔磁角等结构参数对响应时间的影响规律.结合实际设计要求,结果表明,采用优化后的结构参数研制的永磁屏蔽式耐高压高速开关电磁铁在0.6 mm行程时的响应时间为2.20 ms.
关键词： 高速开关电磁铁;  永磁屏蔽;  耐高压;  结构参数;  仿真;  响应时间    
Abstract:

To increase electromagnetic force and to speed up response time, this paper proposed a high-pressure high-speed on-off solenoid using permanent magnet (PM) shield. By reducing flux leakage, the rare-earth NdFeB PM shield improves the dynamic response. A dynamic model of solenoid based on finite element analysis was established. The results from a simulation based on the model were verified by those from experiments while response error was 3.2%. The dynamic simulation analysis of the main structure parameters — such as PM length, PM thickness, PM direction, basin height, pressure ring thickness, nonmagnetic spacer length, front ring angle, and back ring angle — were performed for the PM shield type solenoid. Based on optimal design parameters selection and engineering practice, the response time of the high-pressure long-stroke high-speed solenoid with PM shield is 2.20 ms with a stroke of 0.6 mm.
Key words: high-speed on-off solenoid    permanent magnet shield    high pressure    structure parameter    simulation    response time
出版日期: 2012-03-02
:  TH 137  
基金资助:

浙江省重大科技专项基金资助项目(2008C11028）；国家自然科学基金资助项目（50905166）.
通讯作者: 丁凡，男，教授，博导.     E-mail: fding@zju.edu.cn
作者简介: 满军（1981—），男，博士生，从事电液比例/伺服元件及系统的研究.E-mail：phenomenon@zju.edu.cn
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引用本文:

满军, 丁凡, 李其朋, 笪靖, 邵森寅. 永磁屏蔽式耐高压高速开关电磁铁[J]. J4, 2012, 46(2): 309-314.

MAN Jun , DING Fan , LI Qi-peng , DA Jing , SHAO Sen-yin. Study of high-pressure high-speed on-off solenoid using
permanent magnet shield. J4, 2012, 46(2): 309-314.

链接本文:

http://www.zjujournals.com/xueshu/eng/CN/10.3785/j.issn.1008-973X.2012.02.020    或    http://www.zjujournals.com/xueshu/eng/CN/Y2012/V46/I2/309

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