水产养殖水质监测温度补偿系统  

Temperature Compensation System for Aquaculture Water Quality Monitoring

作　　者：曾文辉[1] 匡迎春[2] 欧明文 曾洋泱[1] 

机构地区：[1]湖南农业大学工学院,长沙410128 [2]湖南农业大学信息科学技术学院,长沙410128

出　　处：《中国农学通报》2016年第11期17-21,共5页Chinese Agricultural Science Bulletin

基　　金："十二五"国家科技支撑计划项目"农村物联网基础平台共性关键技术研究"(2012BAD35B05)

摘　　要：水产养殖水质的准确监测对保证水产品健康养殖至关重要,为了克服温度对溶解氧传感器、p H传感器的影响,重点对二者进行了温度补偿研究,采用三次多项式拟合法对溶解氧电极进行了温度补偿分析,采用最小二乘法对不同温度段的电压与p H关系进行了线性分析,最后得出两者的温度补偿模型。试验结果表明,该温度补偿系统所测得溶解氧与p H平均相对误差分别为1.82%和1.72%,实现了对水产养殖水质因子的准确监测,对现代水产养殖业水质监测具有良好的应用前景。Accurate aquaculture water quality monitoring is essential to guarantee the health aquatic breeding.To eliminate the effect of temperature on dissolved oxygen sensor and pH sensor, this study focused ontemperature compensation. Cubic polynomial fitting method was adopted to conduct temperature compensationanalysis of dissolved oxygen electrode, and the least square method was selected to conduct linear analysis ofthe relationship between pH value and voltage. Finally, temperature compensation models for dissolved oxygensensor and pH sensor were obtained. The experimental results showed that the average relative error ofdissolved oxygen and pH in the temperature compensation system was 1.82% and 1.72%, respectively. Thetemperature compensation system could meet the requirement of water quality monitoring in aquaculture, andhad a brilliant application prospect.

关 键 词：水产养殖 传感器 溶解氧 PH 温度补偿 

分 类 号：S959[农业科学—水产养殖]