| 超流氦获取实验液位数据采集与测试系统研究 |
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| 引用本文： | 陈煜,鲁雪生,顾安忠. 超流氦获取实验液位数据采集与测试系统研究[J]. 低温与超导, 2009, 37(4) |
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| 作者姓名： | 陈煜 鲁雪生 顾安忠 |
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| 作者单位： | 上海工程技术大学机械工程学院,上海,201620;上海交通大学制冷与低温工程研究所,上海,200230 |
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| 基金项目： | 上海市重点学科建设项目，上海工程技术大学博士启动基金，上海交通大学上海市科委重大项目 |
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| 摘 要： | 针对超流氦获取与传输实验设计的数据采集系统由控制柜、工控机、显示器三部分组成。使用板卡PCI-1620对工控机的串口进行扩展,使系统能够同时采集8个RS232信号。其中液位信息是非常重要的物性参数,针对获取与传输实验液氦杜瓦设计定制的超导液位计,能够与整个测控系统一起完成液位信息的采集、转换和记录。
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| 关 键 词： | 超流氦 杜瓦 液位 数据采集 |
Study on the data acquisition system of superfluid helium obtaining experiment |
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| Chen Yu,Lu Xuesheng,Gu Anzhong. Study on the data acquisition system of superfluid helium obtaining experiment[J]. Cryogenics and Superconductivity, 2009, 37(4) |
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| Authors: | Chen Yu Lu Xuesheng Gu Anzhong |
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| Affiliation: | 1.Department of Heat Energy and Power Engineering;School of Mechanical Engineering;Shanghai University of Engineering Science;Shanghai 201620;China;2.Institute of Refrigeration and Cryogenics Eng.;Shanghai Jiaotong University;Shanghai 210000;China |
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| Abstract: | Based on the characteristics and the performance of the superfluid helium obtaining and transferring system,a data acquisition system was set up in order to collect,test,record,and store experimental information.The data acquisition system was composed of control casing,host computer,and indicator.PCI-1620 was used to extend the series port of the host computer,therefore the host computer could collect eight signals of RS232 at same time.Liquid level is a very important physical parameter which could be col... |
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| Keywords: | Superfluid helium Dewar Liquid level Data acquisition |
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