单相智能电能表电池欠压故障分析

摘要

The clock battery and meter reading battery of single phase intelligent electric energy meter share one cell.The clock battery provides power for the real time clock module and the corresponding circuit and other devices;when the meter loss power,the meter reading battery supports reading meter power meter,full voltage loss and power cut open cover detection and other functions,and for the corresponding circuits and devices to provide power supply.This paper mainly analyzes the single phase intelligent electric watch battery undervoltage fault of electric energy meter running and analysis of single phase intelligent electric energy meter battery power supply structure,search battery undervohage the main reason,and improve the product structure and recommended manufacturer.%单相智能电能表时钟电池与抄表电池共用一块电池.时钟电池为实时时钟模块、相应电路及器件提供电源;抄表电池保障电能表停电抄表、全失压和停电开盖检测等功能,并为相应电路及器件提供电源.该文主要剖析单相智能电能表电池欠压故障对电能表运行产生的影响,分析单相智能电能表电池供电结构,查找电池欠压的主要原因,并建议厂家改进产品结构.