小型数控式相对湿度控制装置研制

曾建荣; 王首智; 曹玲玲; 李燕

doi:10.11889/j.0253-3219.2017.hjs.40.010103

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小型数控式相对湿度控制装置研制

同步辐射技术及应用 | 更新时间：2021-05-19

- 小型数控式相对湿度控制装置研制
- An NC-type relative humidity control device for in-situ experiments
- 核技术 2017年40卷第1期文章编号：010103
- 作者机构：
  
  1.中国科学院上海应用物理研究所嘉定园区上海 201800
  2.清华大学工程物理系北京 100084
  3.成都工业学院电子工程学院成都 611730
- 作者简介：
  
  [ "曾建荣, 男, 1985年出生, 2013年于中国科学院大学获博士学位, 研究领域为同步辐射技术及其应用", "ZENG Jianrong, male, born in 1985, graduated from University of Chinese Academy of Sciences with a doctoral degree in 2013, focusing on synchrotron radiation and its application," ]
- 基金信息：
  
  国家自然科学基金资助(No.11305242)
- DOI：10.11889/j.0253-3219.2017.hjs.40.010103
  中图分类号： TL99
- 收稿日期：2016-11-07，
  
  修回日期：2016-12-21，
  
  纸质出版日期：2017-01
- 稿件说明：
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曾建荣, 王首智, 曹玲玲, 等. 小型数控式相对湿度控制装置研制[J]. 核技术, 2017,40(1):010103

Jianrong ZENG, Shouzhi WANG, Lingling CAO, et al. An NC-type relative humidity control device for in-situ experiments[J]. Nuclear techniques, 2017, 40(1): 010103
曾建荣, 王首智, 曹玲玲, 等. 小型数控式相对湿度控制装置研制[J]. 核技术, 2017,40(1):010103 DOI： 10.11889/j.0253-3219.2017.hjs.40.010103.

Jianrong ZENG, Shouzhi WANG, Lingling CAO, et al. An NC-type relative humidity control device for in-situ experiments[J]. Nuclear techniques, 2017, 40(1): 010103 DOI： 10.11889/j.0253-3219.2017.hjs.40.010103.

摘要

相对湿度（Relative humidity，RH）是很多实验过程的关键环境参数之一，RH控制对同步辐射在线实验尤为重要。基于单片机的动态控制，研制了一套便于加载至同步辐射实验线站在线使用的小型数控式RH控制装置。该装置使用微型气泵抽取潮湿空气和干燥空气分别构建了加湿和除湿两个通道对控湿腔体内RH进行动态平衡。采用模糊控制算法通过单片机实时控制RH的变化。该装置能将RH控制在20%-94%，误差为±1.0%；能以固定速度控制RH稳定上升（20%-90%）或稳定下降（90%-20%），误差为±1.5%；能在湿度上升、稳定和下降三个工作模式之间快速切换，可满足同步辐射在线实验对湿度控制的多种需求。

Abstract

Background:

Relative humidity (RH) is one of the key environmental parameters in many experimental processes

and RH control is particularly important for

in-situ

synchrotron radiation experiments. However

there is no suitable commercial RH control equipment available for such experiments.

Purpose:

Based on the dynamic control of microcontroller

this study aims to develop an integrated set of numerically controlled (NC) RH control device

which can be conveniently loaded on the synchrotron radiation end-stations.

Methods:

A moisture channel and another dry air channel are connected to the sample chamber for humidification and dehumidification respectively. The dynamic equilibrium of RH at various values is controlled by the microcontroller using a fuzzy algorithm.

Results:

This device can hold the RH with an error of ±1.0% at any set value from 20% to 94%. It also can increase the RH from 20% to 90% and decrease the RH from 90% to 20% with an error of ±1.5% at a constant speed.

Conclusion:

This device can provide RH controlling environment with three switchable operation modes including RH holding

increasing and decreasing. It can meet various requirements of humidity control in kinds of synchrotron radiation

in-situ

experiments.

关键词

Keywords

references

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