水体氨氮原位快速检测智能传感器的研制

摘要

介绍了氨氮传感器的检测原理，给出了智能氨氮传感器的结构设计和电路设计方法，重点讲述了氨气敏和铵离子传感器的标定算法以及多传感器数据融合算法，并对其性能进行了测试和分析。该智能氨氮传感器是集成了氨气敏、铵离子和pH温度探头的复合传感器，可以用于实现水体氨氮含量的原位快速检测。%This paper presented the detection principle of ammonia nitrogen sensor, and gave the design methods of structure and circuit of smart ammonia nitrogen sensor. The paper emphasized the calibration algorithm for ammonia gas sensor and ammonium ion sensor, and data fusion algorithms of multi-sensor. Testing and analysis of the performance of smart ammonia sensor were carried out. The smart sensor which integrates ammonia sensitive, ammonia ion, pH and temperature probes can detect the ammonia nitrogen content in water in situ and quickly.