摘要
针对目前电极式电导率传感器存在的电极材料易脱落、结构不稳定、抗生物附着能力差等问题,本文设计出一种基于硼掺杂金刚石薄膜电极的电导率传感器。本文从七电极电导率的测量原理出发,结合金刚石薄膜电极的特点,详细介绍了金刚石薄膜电极式电导率传感器的探头制备,然后概述了电导池的研究设计过程,以及电导率传感器的定标和拟合、数据的误差分析,最后验证了本传感器达到了稳定可靠、测量精度较高的测量效果。该电导率传感器的电极具有电化学窗口宽、机械强度高、抗腐蚀性能力强等优异的特性,可提高海洋盐度传感器的测量效果和稳定性,对增强我国海洋传感技术的研究创新能力,满足海洋研究与开发需求具有重要意义。
Aiming at the problems of the current electrode conductivity sensor,such as the electrode material is easy to fall off,the structure is unstable,and the anti-biological adhesion ability is poor.In this paper,a conductivity sensor based on boron-doped diamond thin film electrode is designed.Starting from the principle of seven-electrode conductivity measurement,combined with the characteristics of diamond thin film electrodes,this paper introduces the probe preparation of the diamond thin film electrode conductivity sensor in detail,and then outlines the research and design process of the conductivity cell,as well as the calibration and measurement of the conductivity sensor.Fitting,data error analysis,and finally verified that the sensor achieves a stable and reliable measurement effect with high measurement accuracy.The electrode of the conductivity sensor has excellent characteristics such as wide electrochemical window,high mechanical strength,strong corrosion resistance,etc.which can improve the measurement effect and stability of the ocean salinity sensor,and enhance the research and innovation ability of my country′s ocean sensing technology.It is of great significance to meet my country′s needs for marine research and development.
作者
许明霞
张学宇
柴旭
盖志刚
XU Mingxia;ZHANG Xueyu;CHAI Xu;GAI Zhigang(Institute of Oceanographic Instrumentation,Qilu University of Technology(Shandong Academy of Sciences),Qingdao 266100,China;Shandong Provincial Key Laboratory of Marine monitoring instrument equipment technology,Qingdao 266100,China;National Engineering and Technological Research Center of Marine Monitoring Equipment,Qingdao 266100,China)
出处
《海洋技术学报》
2022年第2期12-19,共8页
Journal of Ocean Technology
基金
国家自然科学青年基金资助项目(41806112,51802179)
山东省重点研发计划资助项目(2019GHZ005)
山东省重大科技创新计划资助项目(2019JZZY020302)
山东省优秀青年创新团队支持计划资助项目(2019KJA005)
山东省自然科学基金资助项目(ZR2020ME037)。
关键词
电极式电导率传感器
金刚石薄膜
七电极
电导池
海洋盐度传感器
electrode conductivity sensor
diamond film
seven electrodes
conductivity cell
ocean salinity sensor