动车组镉镍碱性蓄电池超温后预警及报警的分级响应策略研究

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中图分类号：TP39；TM912.2 文献标识码：A 文章编号：2096-4706（2026）05-0132-05

Research on Graded Response Strategy for Over-temperature Warning and Alarm of Nickel-cadmium Alkaline Battery in EMU

LI Kaijun'， GUO Zhilong'， SONG Guojun’， ZHAO Hui1， HUANG Wenpeng²， XU Kaizhong1，AI Junjie'， WANG Pengyu1 （1.Lanzhou Petrochemical University of Vocational Technology，Lanzhou 73oo60， China; 2.Chongqing West Railway Station， Chongqing 401332， China）

Abstract：Aimingatthe faultofDCpowerlossin tractionandauxiliarysystems causedbyabnormal temperatureof nickelcadmiumalkalinbateryduringneutal-sectiopassngoperatioofEMU，tispapertakes teanoaltemperatuefultsofbateies at1stpositionofcar3，car5，andcar7inafaultcaseofCRH4oAFEMUas theresearchbectVariousfactostronglyelatedtote riseofbatterytemperatrearald，andmultipleboaltempeauremodesarediedsedontisabateyaete diagnosis modelbasedonLongShort-TMemory（LTnetworkisestablished，whichincudesthrestages：datapreproeing， modelconstructionandtrainingandparameterotimzationandevaluationAfterthemodelisestablishd，tebateryteature is trackedandanalyzed troughthePrognosticsandHealthManagement （PHM）systemofEMU，andthehightemperature fault ofalkalinebateriesincar3isaccuratelydetemined.Meanwhile，thedatafromDataRecorderwithWireless TransmissionDevice （DRWTD）isdowloadedforvefcationandanalysis，whichprovestheefectivenessofthegradedresponsestrategy.Tsethod effctivelysolves the problemofabnormal high temperature faultofbateryandhascertainengineeringapplicationvalue.

Keywords： CRH40OAF high-speed train set; LSTM; health management system; abnormal temperature; cadmium-nickel alkaline battery

0 引言

CRH400AF型高速动车组所采用的镉镍碱性蓄电池为主辅一体化设计，各功能模块紧密内置在密封式蓄电池集成箱体中。（剩余6460字）