空间大功率长寿命滚环摩擦副研究
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摘要
随着空间站等航天工程的推进,大功率、长寿命(低轨15年)、高可靠的滚环电传输技术需求日益紧迫。针对滚环摩擦副的结构设计,建立了滚环摩擦副的运动学模型。根据运动学模型确定了滚环摩擦副结构,并采用ADAMS软件仿真验证了摩擦副的纯滚动及运动自适应性;理论分析了摩擦副的接触电阻和疲劳寿命,对柔性环的循环应力进行了FEM仿真;开展了单环3kW大功率滚环样机1.5×105转的寿命试验验证。结果表明:在单环传输功率提高为滑环6倍的前提下,寿命周期内滚环单环的接触电阻及其波动值均小于1mΩ,研究结果可为空间大功率长寿命滚环的设计提供参考。
With the development of space stations and other space projects,the desire for highpower,long-lifetime(LEO 15 years)and highly reliable rolling ring electric transmission technology is increasingly urgent.Aiming at the friction pair structure of the rolling ring,the kinematic model of the rolling ring friction pair is established.The kinematic model is established to determine the friction pair structure of the rolling ring,and the pure rolling and motion adaptability of the friction pair is verified by ADAMS simulation.The electrical contact resistance and fatigue lifetime of the friction pair are theoretically analyzed,and the cycling lifetime of the flexible ring is analyzed.The stress distribution of flexible ring is simulated by FEM.The 1.5×105 cycles lifetime experiment of the 3 kW rolling ring prototype is verified.The experiment result shows that the electrical contact resistance and the fluctuation value of the single ring are less than 1 mΩduring the cycling lifetime,although the transmission power increased to 6 times of the slip ring.So the research result can provide reference for design of space high-power and long-lifetime rolling ring.
With the development of space stations and other space projects,the desire for highpower,long-lifetime(LEO 15 years)and highly reliable rolling ring electric transmission technology is increasingly urgent.Aiming at the friction pair structure of the rolling ring,the kinematic model of the rolling ring friction pair is established.The kinematic model is established to determine the friction pair structure of the rolling ring,and the pure rolling and motion adaptability of the friction pair is verified by ADAMS simulation.The electrical contact resistance and fatigue lifetime of the friction pair are theoretically analyzed,and the cycling lifetime of the flexible ring is analyzed.The stress distribution of flexible ring is simulated by FEM.The 1.5×105 cycles lifetime experiment of the 3 kW rolling ring prototype is verified.The experiment result shows that the electrical contact resistance and the fluctuation value of the single ring are less than 1 mΩduring the cycling lifetime,although the transmission power increased to 6 times of the slip ring.So the research result can provide reference for design of space high-power and long-lifetime rolling ring.
引文
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[12]郑传荣,赵克俊.滚环中弹性环设计技术研究[J].电子机械工程,2011,27(3):24-27Zheng Chuanrong,Zhao Kejun.Study on flexible ring design of roll ring[J].Electromechanical Engineering,2011,27(3):24-27(in Chinese)
[13]Kwon H,Jang S S,Park Y H,et al.Investigation of the electrical contact behaviors in Au-to-Au thin-film contacts for RF MEMS switches[J].Journal of Micro-mechanics&Micro-engineering,2008,18(10):105
[14]Wei P S,Wu T H.Electrical contact resistance effect on resistance spot welding[J].International Journal of Heat&Mass Transfer,2012,55(s11-12):3316-3324
[15]Holm R.Electric contacts[M].Stockholm,Sweden:Hugo Gebers Forlag,1964:15-31
[16]颜鸣皋,刘伯操,吴世平,等.中国航空材料手册[M].北京:清华大学出版社,2002:470-471Yan Minggao,Liu Bocao,Wu Shiping,et al.China aviation materials handbook[M].Beijing:Tsinghua University Press,2002:470-471(in Chinese)
[2]《国际太空》编辑部.中国载人空间站工程进展[J].国际太空,2013(7):20-26Editorial Board of Space International.The development of Chinese manned spacecraft[J].Space International,2013(7):20-26(in Chinese)
[3]侯欣宾,王立,张兴华,等.多旋转关节空间太阳能电站概念方案设计[J].宇航学报,2015,36(11):1332-1338Hou Xinbin,Wang Li,Zhang Xinghua,et al.Concept design of multi-rotary joints SPS[J].Journal of Astronautics,2015,36(11):1332-1338(in Chinese)
[4]刘军涛.导电滑环接触材料摩擦磨损特性研究[D].大连:大连理工大学,2013Liu Juntao.Research of friction and wear properties of slip ring contact materials[D].Dalian:Dalian University of Technology,2013(in Chinese)
[5]刘自立,贾海鹏,王立,等.面向空间应用的新型滚动汇流环关键技术与启示[J].航天器环境工程,2016,33(1):72-76Liu Zili,Jia Haipeng,Wang Li,et al.Key technologies and inspire on novel space-applied roll ring[J].Spacecraft Environmental Engineering,2016,33(1):72-76(in Chinese)
[6]Batista J,Vise J,Young K.Roll ring assemblies for the space station[R].Washington D.C.:National Aeronautics and Space Administration,1994
[7]Kasper R.Electric power from orbit:A critique of a satellite power system[J].NASA STI/Recon Technical Report N,1981,82:23-27
[8]Renz D D.Multi-hundred kilowatt roll ring assembly evaluation results[C].Intersociety Energy Conversion Engineering Conference.Proceedings of the Twentythird Intersociety Energy Conversion Engineering Conference,Volume 3,1988
[9]刘文科,郑传荣,赵克俊.滚动汇流环技术的发展和应用综述[J].火控雷达技术,2014(2):107-111Liu Wenke,Zheng Chuanrong,Zhao Kejun.Overviewon development and application of roll ring technology[J].Fire Control Radar Technology,2014(2):107-111(in Chinese)
[10]何玲.空间大功率传输滚环技术研究发展[J].空间科学学报,2002,22(z2):84-88He Ling.Research and development of space high power Transmission roll ring technology[J].Chinese Journal of Space Science,2002,22(z2):84-88(in Chinese)
[11]孙丽,王秀伦,王丽颖.滚环的优化设计[J].大连交通大学学报,1999,20(3):56-60Sun Li,Wang Xiulun,Wang Liying.Optimization design of roll ring[J].Journal of Dalian Railway Institute,1999,20(3):56-60(in Chinese)
[12]郑传荣,赵克俊.滚环中弹性环设计技术研究[J].电子机械工程,2011,27(3):24-27Zheng Chuanrong,Zhao Kejun.Study on flexible ring design of roll ring[J].Electromechanical Engineering,2011,27(3):24-27(in Chinese)
[13]Kwon H,Jang S S,Park Y H,et al.Investigation of the electrical contact behaviors in Au-to-Au thin-film contacts for RF MEMS switches[J].Journal of Micro-mechanics&Micro-engineering,2008,18(10):105
[14]Wei P S,Wu T H.Electrical contact resistance effect on resistance spot welding[J].International Journal of Heat&Mass Transfer,2012,55(s11-12):3316-3324
[15]Holm R.Electric contacts[M].Stockholm,Sweden:Hugo Gebers Forlag,1964:15-31
[16]颜鸣皋,刘伯操,吴世平,等.中国航空材料手册[M].北京:清华大学出版社,2002:470-471Yan Minggao,Liu Bocao,Wu Shiping,et al.China aviation materials handbook[M].Beijing:Tsinghua University Press,2002:470-471(in Chinese)