| 基于电容式应变计的膛压测试系统 |
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| 引用本文： | 刘芮君,李新娥,李园.基于电容式应变计的膛压测试系统[J].电子测试,2011(7):54-57. |
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| 作者姓名： | 刘芮君 李新娥 李园 |
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| 作者单位： | 中北大学仪器科学与动态测试教育部重点实验室,山西太原,030051 |
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| 基金项目： | 国防科技重点实验室基金(04011007) |
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| 摘 要： | 针对多种火炮、弹箭内弹道膛压测试中遇到的一些问题,设计了一种基于电容式应变计的火炮膛压测试系统,采用壳体本身作为压力敏感元件,实现了压力传感器与壳体的一体化设计。本文介绍了该测试系统的工作原理,详细阐述了测量电路的基本原理和信号转换电路。该测压器体积小、功耗低、能承受600MPa的压力。可以用电池供电,不需要外部引线,适用于中小口径火炮的膛压测试。并能在系统掉电的情况下保持测试所得的数据。
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| 关 键 词： | 膛压测试 电容式传感器 微小电容检测 |
Chamber pressure testing and measuring system based on capacitive strain gauge |
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| Liu Ruijun,Li Xin'e,Li Yuan.Chamber pressure testing and measuring system based on capacitive strain gauge[J].Electronic Test,2011(7):54-57. |
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| Authors: | Liu Ruijun Li Xin'e Li Yuan |
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| Affiliation: | Liu Ruijun,Li Xin’e,Li Yuan |
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| Abstract: | In order to solve the problems encountered in the testing ballistic pressure for a variety of guns and rockets.Using the shell itself as pressure-sensitive components,to achieve the integration design of the pressure sensor and the shell.This paper introduces the design of micro chamber pressure testing and measuring system based on Capacitive strain gauge,and elaborates the operation principle of chamber pressure testing and measuring system.Basic principle of measurement circuit and signal conversion circ... |
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| Keywords: | Chamber pressure testing and measuring Capacitive sensors Detection of small capacitance |
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