摘要
设计了基于电能计量芯片ADE7758和单片机PIC16F877为核心的复费率三相电能表,实现了复费率电能计量、记录、自动抄表等功能。对具体的电压电流采样电路、计量电路、时钟电路、RS-485和红外通信电路等进行设计,并给出了系统软件流程图。设计的电能表硬件电路简单,抗干扰能力强,不同的通信接口方便用户使用,具有一定的应用价值。
A three-phase multi-rate electric power meter based on energy measurement chip ADE7758 and PIC16F877 single chip was developed.The meter realizes multi-rate electric power measurement,register and automatic metering.The measuring circuit of voltage and current,calendar and clock circuit,RS-485 interface and infrared communication circuit was designed.And system software flow diagram was given.Hardware design of the meter circuit is simple,anti-interference ability,different communication interface user-friendly,has a certain value.
出处
《工业仪表与自动化装置》
2012年第3期105-107,共3页
Industrial Instrumentation & Automation
