多源信息融合高精度溶解氧检测技术的研究  

High Precision Dissolved Oxygen Measuring Method Based on Multi-Source Information Fusion

作　　者：赵学亮[1] 李帅伦[2] 李杰[3] 

机构地区：[1]中国地质调查局水文地质环境地质调查中心,国土资源部地质环境监测技术重点实验室,河北保定071051 [2]河北省科技工程学校,河北保定071000 [3]保定职业技术学院,河北保定071051

出　　处：《仪表技术与传感器》2017年第2期89-92,共4页Instrument Technique and Sensor

基　　金：国家自然科学基金项目(41303089);国土资源公益性行业科研专项基金项目(201411083);矿产地质调查项目(121201012000150010)

摘　　要：针对影响极谱式溶解氧电极测量精度的主要因素,采用多源信息融合的设计思路,详细探讨了包括温度、气压等多源信息的高精度溶解氧检测技术。文中对极谱式溶解氧电极测量原理、检测电路、溶解氧影响因素及其补偿方法等进行了详细介绍,并与HQ30d溶解氧检测仪进行了野外检测比对,结果表明采用该技术可显著提高溶解氧的测量精度、稳定性和可靠性。According to the main factors influenced polarographic type dissolved oxygen electrode measurement precision,adopting the design idea of multi-source information fusion,high precision dissolved oxygen measuring method was discussed in detail considering temperature,atmospheric pressure and so on.Polarographic type dissolved oxygen electrode measuring principle,measuring circuit,dissolved oxygen influence factors and compensation methods were introduced in detail.Meanwhile,the test results in filed according to the multi-source information fusion method were compared with the HQ30 d dissosived oxygen measuring instrument.The results indicate that adopting technique can improve accuracy,stability and reliability obviously,and has wide application prospect in the field of on-site rapid detection.

关 键 词：溶解氧 多源信息融合 极谱式电极 快速检测 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]