摘要
介绍了一种电子式预付费电能表的硬件设计,并对其电能测量电路, 掉电检测电路、磁保持继电器及其驱动电路、IC卡接口电路进行了分析,并 提出了为提高整表的可靠性所采取的硬件措施。
It Introduces the hardware design of excellent pre-payment single phase energy meter,analyses the circuits of energy meter, checking electricity dropping, driving of latching-relay, IC card interface, gives hardware measure of ensuring the system reliability.
出处
《仪器仪表用户》
2004年第2期15-17,共3页
Instrumentation
