文章摘要
张自强,吕秀梅,张学伟,侯冲,吴云龙,王建颖,张庆宏.气密包装箱气体状态监测装置设计[J].包装工程,2022,43(1):236-244.
ZHANG Zi-qiang,LYU Xiu-mei,ZHANG Xue-wei,HOU Chong,WU Yun-long,WANG Jian-ying,ZHANG Qing-hong.Design of Gas State Monitor for Airtight Packaging Box[J].Packaging Engineering,2022,43(1):236-244.
气密包装箱气体状态监测装置设计
Design of Gas State Monitor for Airtight Packaging Box
投稿时间:2021-08-28  
DOI:10.19554/j.cnki.1001-3563.2022.01.030
中文关键词: 气密  包装箱  实时监测  多传感器  数据通信  泄漏率
英文关键词: airtight  packaging box  real-time monitoring  multi-sensor  data communication  leak rate
基金项目:中国航天科工集团公司关键核心技术攻关课题(SXG-2020-007)
作者单位
张自强 北京新风航天装备有限公司北京 100854 
吕秀梅 北京新风航天装备有限公司北京 100854 
张学伟 北京新风航天装备有限公司北京 100854 
侯冲 北京新风航天装备有限公司北京 100854 
吴云龙 北京新风航天装备有限公司北京 100854 
王建颖 北京新风航天装备有限公司北京 100854 
张庆宏 北京新风航天装备有限公司北京 100854 
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中文摘要:
      目的 为了实现气密包装箱内气体温度、湿度、压力、氮气浓度的实时监测。方法 研究传感器芯片板级集成技术及电信号气密传输技术,推导基于氧气传感器的氮气浓度采集算法,设计一套气体状态监测装置。结果 基于嵌入式处理器和.NET框架界面完成了监测装置的设计,在国家标准实验室进行了不同参数的校准测试,在置信概率氮气体积分数、温度、相对湿度、压力的测量不确定度分别为0.34%,0.2 ℃,1.3%,0.05 kPa。结论 该装置可实时采集气密包装箱内气体状态参数并在上位机界面实时、稳定显示,测量不确定度满足参数精度要求,与密封舱体匹配后12 d气密测试无压力泄漏。
英文摘要:
      The work aims to realize real-time monitoring of gas temperature, humidity, pressure and nitrogen concentration in airtight packaging box. The sensor chip board-level integration technology and the electrical signal airtight transmission technology were studied. The nitrogen concentration acquisition algorithm based on the oxygen sensor was derived. A gas state monitor was designed. Based on embedded processor and. NET framework interface, the design of the monitor was completed. Calibration tests of different parameters were conducted in the national standard laboratory. The measurement uncertainty of nitrogen concentration, temperature, humidity, pressure at confidence probability was 0.34%, 0.2 ℃, 1.3%, 0.05 kPa, respectively. Experimental results show that the device can collect the gas state parameters in the airtight packaging box and display them on the host computer interface in real time and stably. The measurement uncertainty meets the requirement of parameter accuracy. After matching with the sealed cabin, there is no pressure leakage after 12 d of airtight test.
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