摘要
可控式直流稳压电源能够满足各类电子设备的负载要求。本文设计了一个输出电压精度高,并且调节范围大的可控电压源。该电压源以AT89C51单片机为核心,主电路采用D/A、A/D转换电路、电压调整模块,能够输入交流220 V,输出电压直流0 V至9 V,并能够显示预设电压和输出电压值。该电源具有线路简单,响应迅速,稳定性好,效率高等特点,能够满足日常生产生活及实践中实时变换电压的输出要求。
Controllable direct current regulated power supply could meet the needs of all kinds of electronic equipments＇ load. In this paper, the author has designed controllable voltage sources with features of high accuracy output voltage and large regulating scope. The main circuit of voltage source converts circuit and adjusts models by taking D/A and A/D, whose input voltage is alternating current 220 V, output voltage 0 V to 9 V, and show preinstalled voltage and output voltage values. The power source could meet the need of output real-time voltage change output in daily life and practice with features of simple circuit, quick response, good reliability and high efficiency.
出处
《科技创新与生产力》
2012年第8期76-78,共3页
Sci-tech Innovation and Productivity
关键词
单片机
可控式
稳压电源
single chip microcomputer
controllable
regulated power supply
