超磁致伸缩驱动微泵的磁场优化分析与实验验证
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摘要
为使超磁致伸缩驱动微泵中超磁致伸缩材料(GMM)棒获得最佳的磁致伸缩性能,在ANSYS Maxwell软件中建立双线圈式驱动磁场、外线圈内永磁体式驱动磁场、内线圈外永磁体式驱动磁场模型,进行仿真分析,得到三种情况下微泵轴线上平均磁场强度和磁场均匀度,并通过试验验证优选结构的磁场强度和均匀度。结果表明:外线圈长度L_(q1)=104 mm,厚度d_(q1)=12.5 mm;内线圈长度L_(q2)=104 mm,厚度d_(q2)=12.5 mm的双线圈式驱动磁场相对于外线圈内永磁体式和内线圈外永磁体式平均磁场强度提高了117%和8.6%,磁场均匀度下降4%。试验结果与仿真结果基本吻合,验证了仿真模型的正确性。
In order to make the GMM rod in giant magnetostrictive driving micro pump get the best magnetostrictive scalability,model of double coil type cylinder driving magnetic field,external coil & internal permanent magnet type cylinder driving magnetic field and internal coil & external permanent magnet type cylinder driving magnetic field in ANSYS respectively were set up,then gotten three kinds of micro pump axis average magnetic field intensity and magnetic field uniformity by simulation analysis. Finally the magnetic field intensity and evenness of optimized structure by experiment were verified. The result shows that the double coil type cylinder driving magnetic field with external coil L_(q1)= 104 mm,thickness d_(q1)= 12. 5 mm,internal coil L_(q1)= 104 mm,thickness d_(q1)= 12.5 mm increases 117% and 8.6% average magnetic field intensity,more than external coil &internal permanent magnet type cylinder driving magnetic field and external permanent magnet & internal coil type cylinder driving magnetic field. However,the uniformity decline was 4%. The experimental result in line with simulation result verifies the rationality of the simulation model.
In order to make the GMM rod in giant magnetostrictive driving micro pump get the best magnetostrictive scalability,model of double coil type cylinder driving magnetic field,external coil & internal permanent magnet type cylinder driving magnetic field and internal coil & external permanent magnet type cylinder driving magnetic field in ANSYS respectively were set up,then gotten three kinds of micro pump axis average magnetic field intensity and magnetic field uniformity by simulation analysis. Finally the magnetic field intensity and evenness of optimized structure by experiment were verified. The result shows that the double coil type cylinder driving magnetic field with external coil L_(q1)= 104 mm,thickness d_(q1)= 12. 5 mm,internal coil L_(q1)= 104 mm,thickness d_(q1)= 12.5 mm increases 117% and 8.6% average magnetic field intensity,more than external coil &internal permanent magnet type cylinder driving magnetic field and external permanent magnet & internal coil type cylinder driving magnetic field. However,the uniformity decline was 4%. The experimental result in line with simulation result verifies the rationality of the simulation model.
引文
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2郑俊麟,焦宗夏,刘光聪.一种基于压电陶瓷的新型灵巧液压泵.压电与声光,2008;30(4):428-431Zheng Junlin,Jiao Zongxia,Liu Guangcong.A novel smart hydraulic pump based on PZT driver.Piezoelectrics&Acoustooptics,2008;30(4):428-431
3王沫然,李志信.基于MEMS的微泵研究进展.传感器技术,2002;21(6):59-61Wang Moran,Li Zhixin.Investigation process of micropump based on MEMS.Journal of Transducer Technology,2002;21(6):59-61
4邬义杰.超磁致伸缩材料发展及其应用现状研究.机电工程,2004;21(4):55-59Wu Yijie.Giant magnetostrictive materials and its a-plication research state.Mechanical&Electrical Engi-neering,2004;21(4):55-59
5王传礼.基于GMM转换器喷嘴挡板伺服阀的研究.杭州:浙江大学,2005Wang Chuanli.Research on the nozzle flapper servo valve driven by GMM actuator.Hangzhou:Zhejiang University,2005
6寇旗旗,张辉,许亚峰.基于双平面线圈驱动的GMM薄膜微泵.液压与气动,2014;(11):15-17,52Kou Qiqi,Zhang Hui,Xu Yafeng,et al.GMM thin films micropump based on the double plane coil driving.Chinese Hydraulics&Pneumatics,2014;(11):15-17,52
7王传礼,丁凡.伺服阀用超磁致伸缩转换器驱动磁场的数值计算.兵工学报,2007;28(9):1082-1086Wang Chuanli,Ding Fan.Numerical calculation on driving magnetic field of GMM actuator for servo valve.Acta Armamentarii,2007;28(9):1082-1086
8王瑞凯,左洪福,吕萌.环形磁铁空间磁场的解析计算与仿真.航空计算技术,2011;41(5):19-23Wang Ruikai,Zuo Hongfu,LüMeng.Analytical cal-culation and simulation for magnetic field distributi-on of ring magnet.Aeronautical Computing Techniq-ue,2011;41(5):19-23
9关晓存,雷彬,李治源,等.基于ANSYS线圈发射器驱动线圈电磁场分析.科学技术与工程,2007;7(16):4094-4098Guan Xiaocun,Lei Bin,Li Zhiyuan,et al.Coil laun-cher drive coil eletro ma-gnetic field based on AN-SYS.Science Technology and Engineering,2007;7(16):4094-4098
10赵博,张洪亮.Ansoft 12在工程电磁场中的应用.北京:中国水利水电出版社,2010:1-2Zhao Bo,Zhang Hongliang.Ansoft 12 applied in the e-ngineering electromagnetics.Beijing:China Water&Po-wer Press,2010:1-211喻曹丰,王传礼,邓海顺,等.超磁致伸缩驱动器磁场性能分析与优化.现代制造工程,2015;(8):136-140Yu Caofeng,Wang Chuanli,Deng Haishun,et al.Mag-netic field optimization and performance analysis of giant magnetostrictive actuator.Modern Manufacturing Engineering,2015;(8):136-140