(必威体育精装版版)电子式电能表设计毕业论文.doc

　　山东XXXX专科学校 　　毕业设计论文 　　题 目：单相电子式电能表设计 　　1 　　系 部： 　　专 业：电子测量技术与仪器 　　班 级： 　　姓 名： 　　学 号： 　　指导老师： 　　摘 要 　　该系统主要由显示模块、键盘模块、时钟模块、存储模块、通讯模块、CPU模块、CS5460A电能表芯片模块和前端电路调理模块部分组成。前端电路调理模块采用2mA2mA的电流互感器和5A2.5mA电流互感器和精密电阻实现对市电的转换，并采用RC滤波网络滤波,然后采用由美国CRYSTAL 公司的新型电能计量芯片CS5460芯片实现对电流、电压和电能的测量与转换；时钟模块采用DS1302时钟芯片为系统提供时钟基准，存储模块采用AT24C16，为系统提供数据存储；显示模块用OCMJ4X8CM液晶，通信模块采用Max232芯片，并利用AT89S52组成的CPU模块控制所有芯片的工作、测量、计算电能，送往显示模块和存储模块进行实时显示和存储，并通过标准232接口送往PC上位机进行同步显示，并且本电能表还设有GPIB 地址，以便于电能管理系统对电能的管理。 　　关键字：CS5460A；AT89S52；232通讯；OCMJ4X8CM；Abstract 　　This system is mainly revealed the module, keyboard module, clock module,store module, communicate module, CPU module, CS5460Aelectric energy meter chip module and front circuit look afterthe part of the module to make up. The front circuit recuperatesthe module and adopts electric current mutual inductor and5A2.5mA electric current mutual inductor and accurateresistance of 2mA2mA to realize the conversion of the cityelectricity, and adopt RC to strain the wave network and strainthe wave, then adopt measure chip, CS5460 of chip, realize toelectric current, voltage, measurement and conversion ofelectric energy by new electric energy of Company, CRYSTAL ofU.S.A.; The clock module adopts DLS1302 clock chip to offer1 　　the clock basis for system, stores the module and adoptsAT24C16, offer the data for system to store; Reveal the moduleuses OCMJ4X8CM liquid crystal, the communication moduleadopts Max232 chip, and utilize CPU module that AT89S52makes up to control the work of all chips; Measure, calculateelectric energy, send to is shown the module and stores themodule and pays revealing and storing in real time, send PC tolocation plane go 　　meter ;OCMJ4X8C； 　　on reveal 　　and this electric energy 　　目 录 　　摘要................................................................................................................................ IABSTRACT .............................................................................................