摘要
近年来,水表、电表及煤气表(简称三表)的数据采集系统在智能楼宇中得到了广泛的应用。针对应用中的数据采集准确度低的问题,通过对采集方式的分析,提出了采用8259A中断控制器配合单片机采集数据的思想。设计了一种利用中断方式的数据采集系统,给出了其硬件电路框图和主要软件流程图。实践证明,数据采集系统的准确度大大提高,在智能楼宇中会得到广泛应用。
Recently, data acquisition system about water meter, electrical meter and gas meter （three - meter for short） is widely, used in intelligent buildings. For encountering inaccuration in application amethod that acquires data using 8259A chips and microcmputer is presented, after analyzing old acquisition method. A data acqusition system by interruption is designed and its hardware circuits diagram and main software flow diagram are deseribed. Experiments prove that the accuration of the system is greatly improved in application of intelligent buildings.
出处
《自动化与仪器仪表》
2006年第1期27-28,76,共3页
Automation & Instrumentation
