摘要
介绍了数字温湿度传感器SHT75的工作原理、内部结构,测量分辨率和测量范围、操作命令和接口时序。对由SHT75数字温湿度传感器、ATmega128微控制器组成的氡室温湿度测控系统,提出了硬件的组成和软件的设计方案。基于SHT75的氡室温湿度测控系统具有电路结构简单、实时性强、精度高、稳定性好等特点。
The operational principle, internal structure, measurement resolution and measurement range, operation command and interface timing of SHT75 digital temperature＆humidity sensor are introduce＆ The strategies of hardware composition and software design are put forward to the temperature＆humidity measurement and control system for radon chamber which is composed of SHT75 digital temperature ~humidity sensor and ATmega128 microcontroller. The temperature and humidity measurement and control system for radon chamber based on SHT75 enjoys a simple electric circuit and features timeliness, precision, stability.
出处
《核电子学与探测技术》
CAS
CSCD
北大核心
2008年第4期783-785,788,共4页
Nuclear Electronics & Detection Technology
基金
教育部博士点基金"核资源勘查中α能谱测量技术研究"资助
关键词
氡室
温湿度传感器
半导体制冷
单片机
测控系统
radon chamber
temperature
humidity sensor
semi-conductor refrigeration
single chip computer
measurement and control system
