航天用高温制动器吸合特性分析研究  

Analysis and Research on Suction Characteristics of Aerospace High-temperature Brake

作　　者：李玉涛 贾国超 杨延军 曹宽 LI Yutao;JIA Guochao;YANG Yanjun;CAO Kuan(Xi’an Aerospace Precision Electromechanical Institute,Xi’an 710100,China)

机构地区：[1]西安航天精密机电研究所,西安710100

出　　处：《微电机》2023年第9期14-18,25,共6页Micromotors

摘　　要：航天发动机中,电磁失电制动器用来实现发动机伺服结构用高速电机的断电制动和通电解锁,需要满足航天发动机的200℃甚至更高的温度要求。简要介绍了高温制动器的结构和原理后,详细分析了温度对高温制动器吸合性能的影响,建立高温制动器的三维模型并进行有限元仿真分析,提出一种采用示波器检测串联采样电阻电压的方法间接测出高温制动器的吸合特性的方法,并进行试验验证。本文的研究成果对高温制动器的工程应用具有参考价值。In aerospace engines,electromagnetic brakes are used to realize power-off unlocking and power-on unlocking of high-speed motors used in engine servo structures.Electromagnetic brake need to meet the temperature requirements of 200℃or even higher for aerospace engines.This article briefly introduced the structure and principle of the high-temperature brake.The influence of high-temperature on the suction characteristic was analyzed in detail.The 3D model of the brake was established and the infinite element simulation analysis was carried out.A method of indirectly measuring the for suction characteristic of the high-temperature brake was proposed and verified by detecting the voltage of the series sampling resistor using an oscilloscope.The research results of the paper have reference value for the high-temperature brake of the engineering application.

关 键 词：电磁制动器 高温 吸合特性 仿真分析 

分 类 号：TM574[电气工程—电器]