基于CAN总线的无线温湿度测量仪  

Wireless Temperature and Humidity Measuring Instrument Based on CAN Bus

作　　者：卢焱 张凤登[1] 

机构地区：[1]上海理工大学光电信息与计算机工程学院,上海200093

出　　处：《软件导刊》2018年第2期86-88,92,共4页Software Guide

摘　　要：设计一种基于CAN总线的远程温湿度综合探测器,具有高稳定性、高精度、抗干扰能力强的特点。同时添加了ESP8266无线模块,将采集到的数据传输到安卓客户端或其它终端,使设计更加灵敏高效、快捷方便,便于用户使用。采用数字型智能温湿度传感器,以单片机STC5A60S2为主控制器,温湿度传感器由数据总线将数据传送给单片机,OLED12864实时显示室内的温湿度值,单片机通过CAN控制器和CAN收发器连接至CAN总线,实现与总线其它节点的通信。最后对系统精度进行实验验证,其温度测量精度达到±0.2℃,湿度精度±4%RH,结果表明该系统精度高、性能稳定,能快速高效地将当前环境的温湿度值反馈给用户。This paper designs a remote temperature and humidity integrated detector based on CAN bus,with high stability,high accuracy and strong anti-interference ability.Also adds wireless module which named ESP8266.After the sensor finish collecting data,MCU would transform information to the Android application,users could read message on their phone,making this system more user-friendly,sensitive,efficient and convenient.This paper,which uses the single-chip STC5 A60 S2 as the main controller,uses a digital intelligent temperature and humidity sensor.The temperature and humidity sensor transfers data to the single chip by the data bus.OLED12864 real-time display indoor temperature and humidity value.The single-chip is connected to the CAN bus via the CAN controller and the CAN transceiver to communicate with other nodes on the bus.Finally,the accuracy of the system is tested,the accuracy of the temperature reaches ±0.2℃,and humidity reaches ±4%RH.The results show that the system has high accuracy and stable performance and it also can be quickly and efficiently.

关 键 词：CAN总线 温湿度 无线 STC51 

分 类 号：TP319[自动化与计算机技术—计算机软件与理论]