Design of membrane material integrity measuring instrument based on STM32

DAI Wei; ZHANG Xing-hua; HUANG Yan; YU Jian

doi:10.13873/J.1000-9787(2014)10-0076-04

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Design of membrane material integrity measuring instrument based on STM32

更新时间：2025-09-11

- Design of membrane material integrity measuring instrument based on STM32
- Vol. 33, Issue 10, Pages: 76-79(2014)
- 作者机构：
  
  1. 南京工业大学自动化与电气工程学院
  2. 南京工业大学化工化工学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2014)10-0076-04
  CLC： TP216
- Published：2014
- 稿件说明：
移动端阅览
[1]戴玮,张兴华,黄彦,俞健.基于STM32的膜材料完整性测试仪设计[J].传感器与微系统,2014,33(10):76-79.

DAI Wei, ZHANG Xing-hua, HUANG Yan, et al. Design of membrane material integrity measuring instrument based on STM32[J]. 2014, 33(10): 76-79.
[1]戴玮,张兴华,黄彦,俞健.基于STM32的膜材料完整性测试仪设计[J].传感器与微系统,2014,33(10):76-79. DOI： 10.13873/J.1000-9787(2014)10-0076-04.

DAI Wei, ZHANG Xing-hua, HUANG Yan, et al. Design of membrane material integrity measuring instrument based on STM32[J]. 2014, 33(10): 76-79. DOI： 10.13873/J.1000-9787(2014)10-0076-04.

摘要

针对现有完整性测试仪的弊端

设计了一种全自动膜材料完整性测试仪。该仪器通过检测压力和流量传感器的反馈信号

以STM32嵌入式系统芯片作为主控制器

采用闭环PI控制方法

驱动电磁阀开关阀和电磁调节阀动作

实现系统内压力和流量的精确控制。详细阐述了完整性测试理论和测试仪控制系统的软硬件实施方案。实验结果表明:该设计所测泡点压力介于高精度的扫描电子显微镜和孔径分析仪测试结果之间

结果精确

扩散流速可以通过流量传感器测得。

Abstract

Aimed at defects of the existing integrity measuring instrument

a fully automatic membrane material integrity measuring instrument is designed.In order to achieve precise control of pressure and flux

the instrument drives the switching solenoid valve and the regulating solenoid valve action by detecting the feedback signal of pressure and flux sensors

using STM32 embedded system chip as the main controller and adopting closed-loop PI control method.Expound the theory of integrity test and software and hardware implementation of controlling system in detail.Experimental results show that the bubble point pressure measured by the designed instrument is between the results of scanning electron microscope and pore size distribution analyzer.And the diffusion flow can be measured by the flow sensor.

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references

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全自动滤芯完整性测试仪 [P]. 管庆敏,秦红,沙捷. 中国专利:CN102235963A,

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