精品文档---下载后可任意编辑邮电与信息工程学院现代测控技术课程设计说明书课题名称：无限温度采集系统学生学号：0941050212 专业班级：09 测控技术及仪器 2 班 学生姓名：刘奎 学生成绩：指导老师：李 国 平课题工作时间：2024-6-20 至 2024-7-4精品文档---下载后可任意编辑摘要无线温度采集系统是一种基于射频技术的无线温度检测装置。本系统由传感器和接收机，以及显示芯片组成。传感器部分由数字温度传感器芯片 18B20，单片机 89C52，低功耗射频传输单元NRF905 和天线等组成，传感器采纳电源供电；接收机无线接收来自传感器的温度数据，经过处理、保存后在 LCD1602 上显示，所存储的温度数据可以通过串行口连接射频装置与接收端 进行交换。数字单总线温度传感器是目前最新的测温器件，它集温度测量，A/D 转换于一体，具有单总线结构，数字量输出，直接与微机接口等优点。既可用它组成单路温度测量装置，也可用它组成多路温度测量装置，文章介绍的单路温度测量装置已研制成产品,产品经测试在-10℃-70℃间测得误差为℃,80℃≤T≤105℃时误差为℃,T>105℃误差为增大到 1℃左右。关键词：温度采集系统；无线收发；温度传感器；89C52 单片机；AbstractWireless temperature acquisition system based on RF technology is a kind of wireless temperature detecting device. The system consists of the sensor and receiver, and display chip. The sensor consists of digital temperature sensor18B20 chip, chip 89C52, low power RF transmission unit NRF905 and antenna components, sensors using wireless power supply; the receiver receives from the temperature data, processed, preserved in the LCD1602 display, the stored temperature data can be through the serial port connected to the RF device and the receiving terminal exchange.The digital single bus temperature sensor is the current measuring device, it sets the temperature measurement, A/D conversion in one, with a single bus structure, digital output, the advantages of direct interface with microcomputer. Not only can it consists of single channel temperature measuring devic...
