MEMS引信钟表机构延时设计的研究

摘要

As a new-type practiced product,the lower escape apparatus have aroused people's con-cern and attention.After the key technologies of tower escape apparatus being deeply studied, a design planof a mechanical tower escape apparatus is presented.Firstly .the structure and working principle of this ap- paratus is analyzed,and a three-dimensional geometric model is built for virtual assembling and interfer-ence detecting in Pro/E.And then, the virtual prototype of this apparatus is created by ADAMS to proceed with the kinematics and dynamics analysis.At last,the experimental prototype is firstly gut, which resultsshow thai the tower escape apparatus present in U meets the design requirements.%针对MEMS钟表机构的延时时间的设计,提出适合我国现有的MEMS工艺水平的新的设计方法.为了设计MEMS引信保险机构的延时时间,对钟表机构进行部分数学模型的构建,并提出可以有效提高钟表机构延时时间的参数及设计思路.利用动力学仿真分析软件ADAMS时钟表机构模型进行仿真计算,得出钟表机构的延时规律.在其它条件一定的情况下,应用该模型对加载不同的转矩进行仿真.仿真结果表明,齿摆钟表机构中齿摆间的压力对延时时间起决定性作用.在设计中,可以根据所设计的延时时间,运用此因素来设计和修改模型从而使引信达到理想的延时时间.