导磁型径向流磁流变阀的结构优化及性能研究

陈文; 吴张永

doi:10.13433/j.cnki.1003-8728.20200027

导磁型径向流磁流变阀的结构优化及性能研究

doi: 10.13433/j.cnki.1003-8728.20200027

陈文,
吴张永^,

昆明理工大学机电工程学院, 昆明 650500

详细信息

作者简介:
陈文(1989-), 硕士研究生, 研究方向为流体传动与控制, cw_astc@163.com

通讯作者:
吴张永, 教授, 博士生导师, zhyongwu63@163.com

中图分类号: TH137.5
计量
- 文章访问数: 102
- HTML全文浏览量: 19
- PDF下载量: 15
- 被引次数: 0
出版历程
- 收稿日期: 2019-10-18
- 刊出日期: 2021-03-01

Exploring Structural Optimization and Performance of Magnetic Flux Type Radial Flow Magnetorheological Valve

CHEN Wen,
WU Zhangyong^,

Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650500, China

摘要

摘要: 针对典型径向流磁流变阀电源能耗过大的问题，使用不同软磁材料对阀芯进行分割式组合，提出并设计导磁型径向流磁流变阀结构。由于软磁材料的导磁性能不同，将软磁材料进行排列组合，从而使得阀芯处的磁能损耗降低，同时诱导磁场进入环形轴向间隙内，增加磁场对磁流变液的作用面积。采用拉格朗日乘子法结合拟牛顿法，对阀体基本结构进行优化设计，并且利用Maxwell对优化后的导磁型径向流磁流变阀进行仿真，仿真结果与理论结果接近，充分证明优化结果的可靠性。实验结果表明：导磁型径向流磁流变阀的电源能耗比典型径向流磁流变阀降低33.3%，并且在最大压降值为1.8 MPa时，体积减少37.7%。
- 磁流变阀 /
- 优化设计 /
- 压降 /
- 能耗 /
- 有限元分析
Abstract: Due to the excessive energy consumption of the typical radial flow magnetorheological valve power supply, different soft magnetic materials are used to split the valve core, and the structure of the magnetic flux type radial flow magnetic rheological valve is designed. Because of their different magnetic permeability, the soft magnetic materials are arranged and combined so that the magnetic energy loss at the valve core is reduced, and the magnetic field is induced to enter the annular axial gap, thereby increasing the area of action of the magnetic field on the magnetorheological fluid. The Lagrangian multiplier method together with the quasi-Newton method is used to search for the basic structural optimization of the valve body. The optimized magnetic flux type radial flow magnetorheological valve is simulated with the Maxwell software. The simulation results are in close agreement with the theoretical results, thus proving the reliability of the optimization results. The simulation results show that the energy utilization of the magnetic flux type radial flow magneto-rheological valve is 33.3% higher than that of the typical radial flow magneto-rheological valve and that its volume is reduced by 37.7% when the maximum pressure drops by 1.8 MPa.
- magnetorheological valve /
- optimization /
- pressure drop /
- energy utilization /
- finite element analysis

HTML全文

图 1 导磁径向流磁流变阀结构示意图

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图 2 导磁径向流磁流变阀的简易磁路模型

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图 3 磁流变阀左侧等值磁路图

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图 4 导磁径向流磁流变阀的基本结构尺寸

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图 5 磁力线仿真结果图

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图 6 磁感应强度H与磁场强度B仿真云图

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图 7 环形轴向流道内的磁感应强度分布

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图 8 盘形径向流道内的磁感应强度分布图

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图 9 流道宽度t_a与t_r对压降性能的影响

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图 10 基本结构参数R₁与R₂对剪切压降性能的影响

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图 11 基本结构参数H₁与H₂对剪切压降性能的影响

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图 12 基本结构参数D₁、D₂与D₃对剪切压降性能的影响

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图 13 总激励电流NI对剪切压降性能的影响

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图 14 导磁径向流磁流变阀零件图与组装图

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图 15 导磁径向流磁流变阀压降性能测试平台

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图 16 导磁径向流磁流变阀粘性压降测试结果

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图 17 导磁径向流磁流变阀总电流与总压降关系

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表 1 不同t_a(t_r)值的最佳决策变量

t_a/mm	t_r/mm	R₁/mm	D₁/mm	D₂/mm	D₃/mm	Δp_y/MPa
0.5	0.5	8.0	2.70	2.70	2.10	1.592
0.6	0.6	8.0	2.67	2.67	2.08	1.230
0.7	0.7	8.0	2.63	2.63	2.06	0.982
0.8	0.8	8.0	2.58	2.58	2.04	0.803
0.9	0.9	8.0	2.54	2.54	2.02	0.669
1.0	1.0	8.0	2.49	2.49	1.99	0.566

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表 2 不同t_a(t_r)值的最佳决策变量对应的H_MA值和H_MR值

t_a/mm	t_r/mm	H_MA/(kA·m^-1)	H_MR/(kA·m^-1)
0.5	0.5	41.0	9.1
0.6	0.6	36.1	9.6
0.7	0.7	32.0	9.96
0.8	0.8	28.5	10.1
0.9	0.9	25.6	10.2
1.0	1.0	23.1	10.3

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表 3 单因素基本结构尺寸的取值范围

结构尺寸	取值/mm	结构尺寸	取值/mm
t_a	[0.5, 1]	H₂	[12, 14]
t_r	[0.5, 1]	D₁	[1.5, 3]
R₁	[8, 9.75]	D₂	[1.5, 3]
R₂	^{[3, 4]}	D₃	[1.5, 3]
H₁	^{[3, 5]}

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表 4 相关电磁参数取值表

参数	数值
总激励电流NI	200 A
端盖初始磁导率	160
导磁环初始磁导率	8 000
线圈架初始磁导率	1
导磁盘Ⅰ初始磁导率	15
导磁盘Ⅱ初始磁导率	100 000
导磁盘Ⅲ初始磁导率	3
磁流变液初始磁导率	5

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