摘要
给出了单相 IC卡电度表的工作原理、设计方法和硬件电路并讨论了其工作过程 ,同时给出了程序的主要工作过程流程图和设计思想 .硬件电路主要包括 :单片机接口电路 ,电源及控制电路 ,测量电路 .软件设计采用了模块结构 ,加入了 WATCHDOG等抗干扰措施 .按照这种方法所研制的产品经过长时间的实际运行 ,证明它具有工作可靠、抗干扰能力强、成本低等优点 .
The working principle and design method of one phase power meter with IC card is presented. Hardware circuit is given and its working process is discussed. Haredware circuit mainly including microcontroller interface circuit, electrical source and control circuit, measure circuit. The main working flow chart and design thought are presented also. Module structure is utilized in software design, many method of resisting interference like WATCHDOG is added. It is proved that the product developed according to the method is reliable, with high resisting interence ability and low cost by practical working for a long time.
出处
《郑州大学学报（自然科学版）》
CAS
2000年第3期38-41,共4页
Journal of Zhengzhou University (Natural Science)
基金
与金大公司横向联合项目
关键词
单片机
电度表
IC卡
软件设计
microcontroller
power meter
IC card
software design
