电子测试
電子測試
전자측시
ELECTRONIC TEST
2015年
3期
16-18
,共3页
单相智能电表%单片机%电量计量%远程控制
單相智能電錶%單片機%電量計量%遠程控製
단상지능전표%단편궤%전량계량%원정공제
single-phase intelligent electric meter%single-chip computer%measuring of electric energy%remote control
设计了一种能够实现远程控制的单相智能电表。硬件部分包括NEC78F0411单片机外围电路设计，电能计量芯片外围电路设计和通讯模块电路设计，同时也进行了计量模块的软件设计。能够对电能精确地计量，电量和功率的实时显示，单片机和外部存储器的读写，通过485总线与上位机通讯，进行远程控制，包括购电、抄表、定时通断电、超过功率断电等功能。电表硬件设计简单，功能完善，软件部分能进行正负电能的计量。解决了大功率电器和空调的智能识别，在某些高校得到了较好的应用。
設計瞭一種能夠實現遠程控製的單相智能電錶。硬件部分包括NEC78F0411單片機外圍電路設計，電能計量芯片外圍電路設計和通訊模塊電路設計，同時也進行瞭計量模塊的軟件設計。能夠對電能精確地計量，電量和功率的實時顯示，單片機和外部存儲器的讀寫，通過485總線與上位機通訊，進行遠程控製，包括購電、抄錶、定時通斷電、超過功率斷電等功能。電錶硬件設計簡單，功能完善，軟件部分能進行正負電能的計量。解決瞭大功率電器和空調的智能識彆，在某些高校得到瞭較好的應用。
설계료일충능구실현원정공제적단상지능전표。경건부분포괄NEC78F0411단편궤외위전로설계，전능계량심편외위전로설계화통신모괴전로설계，동시야진행료계량모괴적연건설계。능구대전능정학지계량，전량화공솔적실시현시，단편궤화외부존저기적독사，통과485총선여상위궤통신，진행원정공제，포괄구전、초표、정시통단전、초과공솔단전등공능。전표경건설계간단，공능완선，연건부분능진행정부전능적계량。해결료대공솔전기화공조적지능식별，재모사고교득도료교호적응용。
A kind of single-phase intelligent electric meter for remote control was designed.Firstly, peripheral circuits including NEC78F0411 single-chip computer,chip for measuring of electric energy and chip for communication have been designed,then,software for measuring of electric energy has been developed.It can measure electric energy accurately,real-time display electric energy and power,read and write from EEPROM to single-chip computer,remote control through RS-485 bus to communicate with host computer,including power purchase,automatic meter reading,timing switch on-off electricity,forced interruption when overpower.Its hardware was designed uncomplicatedly.It has complete function and can calculate positive and negative energy.Intelligent distinguish air-conditioner from high power electric appliances has been solved,it has been put into use in some universities successfully.
