大推程航天电连接器电磁分离机构的研究

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Abstract Due to requirements of direct drive and compact structure for the electric connector in aerospace engineering,an electromagnetic separable mechanism with large extending stroke based on the integral flux sleeve and the trapezoidal armature was presented.The radial,annular lateral and axial fluxes are formed and coexisted in the above feature,resulting in the horizontal thrust force characteristic within large stroke.Magnetic flux patterns of the mechanism at various strokes were compared and analyzed based on the established mathematic model,and the stroke-force characteristics and its causes were discussed.The effect of the structural parameters,e.g. the groove angle and the thin-wall thickness of the sleeve,the terminal shape of the armature,on the characteristics was obtained.The experimental results are in accordance with the simulation ones.The prototype of the proposed electromagnetic separable mechanism can obtain the rated thrust force of over 63 N within the extending stroke of 15 mm with the exciting current of 0.8 A,which meets the requirement of the direct drive for large extending stroke aerospace electric connector.

Key words： Electric connector electromagnetic separable mechanism integral flux sleeve trapezoidal armature extending stroke

Received: 24 November 2014 Published: 13 April 2015

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TM574

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	Li Yong
	Zhang Ce
	Shen Yunde

Cite this article:

Li Yong,Zhang Ce,Shen Yunde. The Research on the Electromagnetic Separable Mechanism for Aerospace Electric Connector with Large Extending Stroke[J]. Transactions of China Electrotechnical Society, 2015, 30(5): 128-134.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2015/V30/I5/128

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