基于单片机的变压器档位监测双输入 BCD 编码器

摘要

A single -chip based BCD encoder with dual input channels is designed for the monitoring of transformer tap position.First the functions and features of the encoder are introduced .Then the hardware structure of the encoder is described, and the circuit of each module is introduced , including the 17 -tap and 19 -tap dual input channels, the encoding circuit, the power supply circuit, the output circuit and the digital display circuit .The encoder is proved effective and of strong promotional value .%设计了一种基于单片机的变压器档位监测双输入 BCD 编码器。首先介绍了该编码器的功能与特点，然后给出了该编码器的硬件结构，详细介绍了各模块的电路设计方案，包括17档和19档双输入通道、编码电路、电源电路、编码输出电路和数码显示电路等。投入使用后，跟踪调查结果显示该编码器的实际效果良好，具有较强的推广价值。