基于单片机的数字电压表的设计

Designing of Single-chip Microcomputer based Digital Voltmeter

科技日新月异,在仪器仪表行业中,传统的指针式电压表功能单一、精度低,不能满足数字化时代的需求。本文应用单片机设计数字电压表,它是采用数字化测量技术,把连续的模拟量(直流输入电压)转换成不连续、离散的数字形式并加以显示的仪表。它精度高、抗干扰能力强,可扩展性强、集成方便,还可与PC进行实时通信,解决了长期以来测量仪器中的误差的修正、线性处理等问题。

Science and technology change rapidly, In＇ the instrumentation industry, The traditional voltage pointer table has single function, low precision, and can＇t meet the needs of the digital age. In this paper the application of single-chip microcomputer to design a digital voltmeter .it is the use of digital measuring technology. The continuous analog conversion into discrete, discrete digital form, and the instrument display. It has high precision, strong anti-interference ability, good expansibility, convenient integration, but also with the PC real-time communication. To solve the long measuring instrument of the error correction, linear processing problem.