基于FPGA和SHT21传感器的温湿度测量系统的设计  

Temperature and Humidity Measurement System Based on FPGA and SHT21

作　　者：鲍爱达[1] 张庆志[1] 郭涛[1] 唐贵[1] 

机构地区：[1]中北大学电子测试技术重点实验室,太原030051

出　　处：《计算机测量与控制》2012年第11期2885-2887,共3页Computer Measurement &Control

摘　　要：设计了一种以XC2S50型现场可编程门阵列(FPGA)和SHT21温湿度传感器为核心的数字温湿度测量系统;利用FPGA为核心实现对数字式温湿度传感器SHT21的通信控制,测量的数据通过上位机软件进行显示;系统设计使用VHDL语言设计,实现了性能和成本的最大平衡;测试结果表明,本系统不仅能够准确的测量出实时温湿度数据,还能快速反应周围温度环境的实时变化,并且达到了系统温度精确度要求的0.001℃。The paper report a digital temperature and humidity controller based on XC2S50 Xilinx Field Programmable Gate Array and SHT21 temperature and humidity sensor that uses the company＇s XC2S50-5TQ144 as the core to realize the SHT21 sensor of communica- tion control, measurement data for display through the PC software. System design using VHDL, achieved the greatest balance of perform- ance and cost. The results show that the system can not only accurately measure the real--time temperature and humidity data, hut also quick response real-- time changes in ambient temperature environment, and to achieve the required accuracy of the system temperature is 0. 001.

关 键 词：现场可编程门阵列 数字式温湿度传感器 CY7C68013A 

分 类 号：TP202[自动化与计算机技术—检测技术与自动化装置] TP212.12[自动化与计算机技术—控制科学与工程]