电测与仪表
電測與儀錶
전측여의표
ELECTRICAL MEASUREMENT & INSTRUMENTATION
2014年
6期
1-4
,共4页
冀友%黄鹤松%公茂法%刘丙乾%于振
冀友%黃鶴鬆%公茂法%劉丙乾%于振
기우%황학송%공무법%류병건%우진
电能表%多回路%多功能%MSP430%ATT7022B
電能錶%多迴路%多功能%MSP430%ATT7022B
전능표%다회로%다공능%MSP430%ATT7022B
Watt-hour meter%multi-loop%multi-function%MSP430%ATT7022B
提出并设计一种基于MSP430+ATT7022B的24回路三相三线多功能电能表,单片机MSP430控制三片计量芯片ATT7022B进行分时复用,实现24回路计量与检测,不仅能满足检测、计量的精度要求,而且结构简单成本低廉。同时给出电能表整体结构、多回路电压、电流采样子模块原理图、系统软件开发流程图,最后对可能拓展的应用前景给予展望。
提齣併設計一種基于MSP430+ATT7022B的24迴路三相三線多功能電能錶,單片機MSP430控製三片計量芯片ATT7022B進行分時複用,實現24迴路計量與檢測,不僅能滿足檢測、計量的精度要求,而且結構簡單成本低廉。同時給齣電能錶整體結構、多迴路電壓、電流採樣子模塊原理圖、繫統軟件開髮流程圖,最後對可能拓展的應用前景給予展望。
제출병설계일충기우MSP430+ATT7022B적24회로삼상삼선다공능전능표,단편궤MSP430공제삼편계량심편ATT7022B진행분시복용,실현24회로계량여검측,불부능만족검측、계량적정도요구,이차결구간단성본저렴。동시급출전능표정체결구、다회로전압、전류채양자모괴원리도、계통연건개발류정도,최후대가능탁전적응용전경급여전망。
The paper designs a 24 loop three-phase three-wire multi-function watt-hour meter based on MSP430 and ATT7022B. With the idea of time-sharing multiplexing, the MSP430 controls three ATT7022B to realize measurement and testing of 24 loops. The device can not only meet the requirement of accuracy for detection and measurement, but also has advantages of simple structure and low cost. The paper also shows the overall structure of the watt-hour meter, principle diagrams of multi-loop voltage and current collection modules and software flowchart. Finally, the paper prospects its expanding applications in future.