基于單片機的數字電能表設計

1、基于單片機的數字電能表設計畢業(yè)設計（論文）就讀學校：河南工學院專 業(yè)：工業(yè)自動化學生姓名：指導教師：中原工學院繼續(xù)教育學院2016 年 4月The design of digital watt-hour meter based on single chip microcomputer就讀學校：河南工學院專 業(yè)：工業(yè)自動化學生姓名：指導教師：2016 年 4 月摘要摘 要19 世紀三四十年代，中國人民的照明途徑還是主要由

2、煤油燈為主，而在經濟飛速發(fā)展的，科技產品日新月異的今天，電的應用已經深入中國人民的日常生活。電燈、冰箱、空調等等，統(tǒng)統(tǒng)都與電有著密切的關emerged for the measurement of the power, thus appeared the watt-hour meter measuring instrument. The developing course of watt-hour meter is mainly com

3、posed of a single rate, initial watt-hour meter in todays complex rate watt-hour meter. This is associated with rate more electricity policy of our country, aimed at peak valley town, balance of power. Also, in what is n

4、ow the rapid development of science and technology, all kinds of electrical appliances, instrument has gradually tend to be automated, humanization and intelligent. But most of these electrical equipment including microc

5、ontroller or CPU controller.We will integrate the intelligent watt-hour meter in the design of watt-hour meter as important measuring instrument, the accuracy, stability is very important. And digital watt-hour meter wit

6、h high precision, measurement accuracy, reading the advantages of intuitive and easy to use. This design USES AT89C51 single-chip microcomputer as the core, to compare successive type A/D converter ADC0809, eight digital

7、 tube as the main body, constructed A simple digital watt-hour meter, can be achieved at the same time measuring 8 road from 0.00 V to 5.00 V dc voltage, minimum resolution of 0.02 V.Keywords: AT89C51；ADC0809；Digital wat