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介绍了一种土壤温湿度、盐度、电导率等生态水文数据采集系统。该系统以单片机为核心控制单元,结合土壤参数传感器,设计了传感器接口电路、通信时序控制、SD卡存储电路及显示电路等;同时根据黑河生态水文传感器网络试验对实验的要求,实现了基于SDI-12总线的数据采集器和传感器之间的通信协议,以及生态水文数据的测量、存储及传输。在此基础上,结合网络通信和流域数据管理平台,可以实现完整的生态水文无线传感器网络。
A kind of eco-hydrological data acquisition system of soil temperature, humidity, salinity and conductivity was introduced. The system is based on SCM as the core control unit. Combined with the soil parameter sensor, the sensor interface circuit, communication timing control, SD card storage circuit and display circuit are designed. At the same time, according to the experimental requirements of Heihe Eco- -12 bus protocol between the data collector and the sensor, as well as the measurement, storage and transmission of eco-hydrological data. On this basis, a complete eco-hydrological wireless sensor network can be realized by combining network communication and watershed data management platform.