水泵开式台自动测试系统的研究

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1、兰州理工大学硕士学位论文水泵开式台自动测试系统的研究姓名：梁森申请学位级别：硕士专业：流体机械及工程指导教师：刘在伦20070528水泵开式台自动测试系统的研究AbstractTheauto-testsystemofwaterpumpwithopenedtest—bedfocusesondevelopinganuniversalauto·testplatformforcentrifugalpumpsandmixedflowpumpswithdifferenttypesordifferentpower，whichprovidesperformancetest，cavi

2、tationtestandleavefactorytest，anditprovidesafeasiblemethodforpumptest．ThesystemdiscussedinthispapermeetsnationalstandardGB／T3216，‘‘thetestmethodaboutcentrifugalpump，mixedflowpump，axisymmetricalflowpumpandtorqueflowpump”．ItsprecisionCanreachBgrade，themaximalpowerthatcanbetestedis315kW／3

3、80V，therangeofpipediameterthatcanbetestedisfrom妒50to妒400．therangeoffluxthatCanbetestedisfrom0to4000m3／h，andthemaximalliftthatcanbetestedis600m，Thisdesignadequatelystandsoutthethoughtofscatteredcontrolandconcentratedmanagement．Basedonthetechnologyoffieldbus，thissystemadoptsPc·-Basedprog

4、rammablecontrollerADAM·-55IOMasthecontrolandcommunicationcentreonthespot，anditadoptstheindustrialcontrolcomputerasthemaindatastorageandprocessoronthebackground，andallofthembuiltupdistributeddigtalcommunicationsystemwithserialbus，bidirectionaltransmissionandmultiple-spot．Meterswithstand

5、ardinterfaceareeasytobeinterchanged，andcanbeonlinemonitorandsetting，anditstestingdatacanbedisplayinthedisplaypanelandIPCinstantly．Thissystemadoptsclosedloopcontrolstructure，andadoptsintelligentPIDtospeedupthecontrolofdy’nameoelectricvalvetoguaranteethetestprecision．Systemhasautomatic，s

6、elf-automaticandmanualthreeoperatingmodetomeetpossibleconditionsflexiblely．Theelectromotorsmatchedwithpumpsaregradedsixgradesaccordingtotheirpower，whichhelpstostartthemupsmoothlywithcorrespondingstart—upandcontroldevice．Thismeansurecanreducethedropofvoltageofelectricalnetworkeffectivel

7、yandcanguaranteesystemworkingwell．ThedesignoftestpipesstrictlyconformstotherequirementsofGB／T3216andtheinstallationofflowmeter，andtheyareeasytobechangeableandrefittedinthetest．ThetestsoftwareisprogrammedwithVB．netandrunsintheWindows；theinterfaceisfriendlyandtheoperationissimple．Thete