基于nRF24E1和DS18B20的无线测温系统  

Wireless Temperature Measuring System Based on nRF24E1 and DS18B20

作　　者：丁恩杰[1] 踪晓志[1] 

机构地区：[1]中国矿业大学信息与电气工程学院,江苏徐州221008

出　　处：《仪表技术与传感器》2010年第11期60-62,共3页Instrument Technique and Sensor

摘　　要：针对目前温度采集系统对数据无线传输、多点采集的需求,提出了基于无线收发芯片nRF24E1的短距离无线多点温度测量系统。系统以射频收发芯片nRF2401为核心,采用数字式温度传感器DS18B20精确测温,实现了短距离无线传输和多点温度数据的采集,并将数据发送至上位机,实现了温度数据的存储、显示、查询等功能。实践结果表明:该系统能够应用在多种温度测量领域,单点测温误差在±0.5℃以内,室内发射距离约30 m.To satisfy the requirements of the current temperature data acquisition system for wireless transmission and multi-point collection,this paper proposed the short-range wireless multi-point temperature measurement system based on the wireless transceiver chip nRF24E1.The system took RF transceiver chip nRF24E1 as the core of the system,used a digital temperature sensor DS18B20,it achieved wireless short-range and multi-point temperature acquisition system.The data collected by the system were transmitted to the host computer that implemented functions of data storage,display,and query.The practice result indicates that the system can be used in a variety of temperature measurement,the single-point temperature measurement error is less than ±0.5 ℃,and the transmitedistance is about 30 meters actually in the room.

关 键 词：DS18B20 NRF24E1 无线通信 数据采集 

分 类 号：TN919.6[电子电信—通信与信息系统]