应用光学, 2018, 39 (4): 453, 网络出版: 2018-07-30   

一种机载光电设备减振系统设计及稳定精度试验研究

Design of vibration damping system for airborne optoelectronic equipment and research on stability accuracy test
作者单位
1 西安应用光学研究所,陕西 西安 710065
2 中航飞机股份有限公司 汉中飞机分公司,陕西 汉中 723213
摘要
以光电设备减振系统为研究对象,从光电设备轻型化、小型化设计角度出发,针对现有内置橡胶减振系统的诸多不足,采用金属减振器,设计出一款适用于机载光电设备的外置型金属减振系统。通过对该减振系统的振动和冲击试验,测得固有频率、最大传递率及冲击最大位移值。通过对比光电设备在两种减振系统下的稳定精度,得出以下结论:外置金属减振系统和内置橡胶减振系统均能使光电设备的稳定精度满足不大于25 μrad的使用要求,但外置金属减振系统能提高光电设备内部有效空间,同时,外置金属减振系统作为整体可更换单元,降低了减振系统的维修难度,提高了光电设备整体维修性,为其他光电传感器的集成和实现机载光电设备轻型化、小型化提供了可能。
Abstract
Starting from the light and miniaturization design angle of optoelectronic equipment, the optoelectronic equipment vibration system was taken as the research object. According to the shortcomings of the existing built-in rubber damping system, using metal damper, a suitable external metal damping system for airborne optoelectronic equipment was designed. Through the vibration and shock test of the vibration damping system, the natural frequency, the maximum transmission rate and the maximum impact displacement were measured . Finally, by comparing the stability accuracy of optoelectronic equipment in the two kinds of vibration system, it can be concluded that the external metal damping system and built-in rubber damping system can both make the stability accuracy of the optoelectronic equipment to meet the requirements for the use of less than 25 μrad. However, the external metal damping system can improve the internal effective space of the optoelectronic equipment, at the same time, the external metal damping system as a whole replaceable unit , it reduces the maintenance difficulty of the damping system, improves the overall maintainability of the optoelectronic equipment, which is possible for the integration of other optoelectronic sensors and the realization of light and miniaturization of airborne optoelectronic equipment.

郑凤翥, 宁飞, 王培群, 霍丽烨, 赵志草. 一种机载光电设备减振系统设计及稳定精度试验研究[J]. 应用光学, 2018, 39(4): 453. Zheng Fengzhu, Ning Fei, Wang Peiqun, Huo Liye, Zhao Zhicao. Design of vibration damping system for airborne optoelectronic equipment and research on stability accuracy test[J]. Journal of Applied Optics, 2018, 39(4): 453.

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