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大推程航天电连接器电磁分离机构的研究

, PP. 128-134

Keywords: 电连接器,电磁分离机构,整体式导磁套,梯形衔铁,推程

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Abstract:

提出一种基于整体式导磁套、梯形衔铁等结构的大推程电磁分离机构,其原理通过上述特征形成径向、环形侧向与轴向并存的磁通分布实现大行程范围内的水平推力特性。通过建立数学模型,仿真对比分析该电磁分离机构在不同行程下的磁通分布,探讨行程-力特性及其产生机理,并获得导磁套盆形凹槽角度、薄壁厚度和衔铁端面形状等结构参数对其特性的作用规律。实验结果与仿真结果基本吻合,表明该电磁分离机构原型样机0.8A电流激励时15mm推程内的额定推力均在63N以上,满足大推程航天电连接器直接驱动的要求。

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