冻土及干土层自动观测传感器的设计  

Automatic Observation Sensor Design of Frozen Soil and Dry Soil Layer

作　　者：冶林茂[1] 余国河[2] 陈涛[2] 曹淑超[1] 张广周[1] 李鹏[2] 

机构地区：[1]河南省气象科学研究所,河南郑州450003 [2]中国电子科技集团公司第27研究所,河南郑州450047

出　　处：《仪表技术与传感器》2014年第6期7-9,12,共4页Instrument Technique and Sensor

基　　金：科技部公益性行业(气象)科研专项(GYHY201106042)

摘　　要：介绍了一种冻土及干土层自动观测传感器,它主要由控制处理单元、频率采集单元和温度采集单元组成。传感器是基于电容式土壤水分测量技术和半导体测温技术实现冻土及干土层深度的测量。根据土壤含水量及地温,自动判断土壤某层是否冻结及是否为干土,并实现连续自动观测。该传感器可为农业生产管理、环境保护、交通建设、气候变化研究等提供客观自动观测数据。This paper introduces a kind of frozen soil and dry soil layer automatic observation sensor,which mainly consists of the control unit,frequency acquisition unit and temperature acquisition unit.The sensor realized frozen soil and dry soil depth measuring,based on the capacitance type soil moisture measuring technology and semiconductor temperature measurement technology.According to the soil water content and soil temperature,the sensor can automatically judge the soil layer whether is frozen or dry,and realize continuous automatic observation.The sensor can provide objective and automatic observation data for agricultural production management,environmental protection,transportation construction and climate change research.

关 键 词：冻土 干土 深度 自动观测 传感器 设计 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]