| 膜片性能参数采集试验装置 |
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| 引用本文： | 江豪,曹雪华,陈世权,王永华.膜片性能参数采集试验装置[J].电气自动化,2008,30(2):67-68,74. |
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| 作者姓名： | 江豪 曹雪华 陈世权 王永华 |
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| 作者单位： | 郑州轻工业学院,河南省信息化电器重点实验室,河南,郑州,450002 |
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| 基金项目： | 河南省教育厅自然科学基金，河南省信息化电器重点实验室资助项目 |
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| 摘 要： | 采用基于触摸屏和PLC的控制方案，解决了膜类产品压力按曲线变化而进行性能测试的问题，完成了对采集数据的显示、存储和曲线分析；通过PLC模拟采集功能对压力传感器进行高精度的实时信号采集，对系统中智能调节阀进行控制，实现了其自动调节；设计出了膜类产品性能参数采集的实验平台。介绍了控制系统的硬件及软件设计，该系统应用于特殊膜类产品性能参数的试验装置中，压力采集及控制精度达到了0．3％以上。
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| 关 键 词： | 触摸屏 PLC 智能调节阀 压力测定 |
Membranes Performance Parameters Collection and Testing Equipment |
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| Jiang Hao,Cao Xuehua,Chen Shiquan,Wang Yonghua.Membranes Performance Parameters Collection and Testing Equipment[J].Electrical Automation,2008,30(2):67-68,74. |
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| Authors: | Jiang Hao Cao Xuehua Chen Shiquan Wang Yonghua |
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| Affiliation: | ( Zhengzhou University of Light Industry, Henan Zhengzhou 450002, China) |
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| Abstract: | Introduced the control project based on touching screen and PLC, resolved the problem of testing the parameters of the menbrane＇s performance according to the change of pressure curve. Accomplished the display of the key data, data storage and data analyzed of the curves. Used the analog module of PLC to get the precise data from the pressure sensor, dealt with the pressure data and sent analog control signal to the electro-pneumatic regulating valves, thus, achieved to it automatic adjust. Stated the hardware and software design of the equipment for measuring the parameters of the special membrane. The precision is above 0. 3%. |
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| Keywords: | PLC |
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