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CompleteSetsofElectricalEquipmentAidedDesignResearchLiSun1,a,QingheZhang2,b,RongzhengZhou3,c1,2,3changchunengineeringtechnologycollege,Changchun,130117,Chinaa,b,cemail:25263820@qq.
comKeywords:completesetsofelectricalequipment;Thekeytechnology;AideddesignresearchAbstract.
Computeraideddesign(CAD)isusedinthedesignofcompletesetsofelectricalfieldisdividedintomechanicalCADandprofessionalelectricalCAD(ECAD)phase.
Atpresent,mostcommercialECADsoftwareisbasedonthemechanicalCADsoftwaresecondarydevelopmentofproducts,ontheonehand,keepingmechanicalCADdesignfunction,inordertorealizethemechanicaldesignrequirements,ontheotherhandthroughthesecondarydevelopmenttorealizetheelectricalprofessionaldesignfeatures.
ThedifferencesduetomechanicalCADplatform,andthedifferencesbetweendifferentplatformsofgeometrickernel,asaresult,thiskindofcommercialECADsoftwarecommonplatformtransplantdifficultproblemofpoorcompatibilityanddrawings.
Basedontheaboveproblems,thispaperaroundthecompletesetsofelectricaltechnologyapplicationintheelectricaldesign,onthebasisofreferencetootherelectricalCADsoftware,conductedatentativeresearch.
Firstcompletesetsofelectricalcadkeytechnologyisanalyzed,atthesametimeofcompletesetsofelectricalinterfacehascarriedonthedesignandimplementation,andverifytheresults.
1.
IntroductionCompletesetsofelectricalequipment,alsoknownaselectricequipment.
Shellsofitistopointtobybus,asecondaryelement,auxiliarymaterials,etc,realizingthefunctionofanelectricalfunctionormultipleelectricalcompleteequipment.
Completesetsofelectricalequipmentisusuallydividedintotwocategories,highvoltageintegratedandlowvoltagecompletesetsofequipment.
Completesetsofelectricalequipmentbelongtothebasicequipmentmanufacturing,usedinpowergeneration,transmissionanddistributionandpowerconsumption,receivinganddistributionofelectricenergyrole.
Roletoplayincontrolandprotectionofpowerequipment,iscloselyrelatedtoindustrialproductionandliving.
Inrecentyears,alongwithourcountryelectricpowerenergyinfrastructureconstructioninvestmentanddevelopment,thedemandofelectricequipmentincreasesyearbyyear,itsproductmarketcompetitionisincreasinglyfierce,howtoimprovetheefficiencyofthedesignoftheproduct,hasbecomeacompletesetofelectricenterprisedevelopmentofthekeyfactors.
2.
Completesetsofelectricalcadkeytechnology2.
1Object-orientedframeworkstructuredesignDesignrationality,reusabilityandextensibilityisthecoreelementsofsoftwarearchitecturedesign.
Object-orientedtechnologytoobjectasthebasicelementsofdesign.
Objectscanbeeitherdata,alsocanbe.
Thesoftwaresystemasacollectionofdiscreteobjects.
Usingobject-orienteddesignthemainobjectivetoimprovethereadabilityandmaintainabilityofsoftwareandreusability.
Usingobject-orienteddesignapplicationframeworkcanclearlyexpresssystemconcept,tofacilitateanalysisandcodeimplementation,fromthesoftwarerequirementsanalysistothesoftwarefunctiondesigneasier,effectivelyreducethedesigncycle,andreducethecostofsoftwaredevelopment[2].
Inaddition,theobject-orientedtechnologyinprovidingmechanismssuchasinheritance,encapsulation,polymorphism,andprovidesfurthersupportforsoftwarereuse.
Systemshouldprovideapowerfulconfigurationinterface,thecompletionofsecondaryschematicdrawing,throughasimplesettingthatcanautomaticallygeneratesecondarywiringdiagram,shortentheconstructiondesigncycle,improvedesignefficiency.
Systemprovidespowerfulelectricalsymbollibrary,canbeclassifiedaccordingtothehabits,convenientcall,reduceartificialoperationerror.
Usingthissystemconfigurationcaneasilygenerateopeningchartandlayout.
Fromtheapplicationlevel,theplatformshouldhavethecharacteristicsofsimpleoperation,easytomaster,easytomaintain,tomeettheneedsofmanylayersappliedpersonnel,realizestheminimumcostwithdifferentCADsoftwareintegration,specifictothedesignpersonnel,aslongastheunderstandingofcompletesetsofelectricaldesignprocess,throughthesimplelearningcanindependentoperation,quicktomaster.
TheimplementationofthedatainformationandPLMsystemlayerintegration,realizesthedataandERPintegration,realizetheintegrationoftheelectricaldesignsoftwareandCADplatform,soastorealizeinformationsharing.
Amongthem,theinformationintegrationintheimplementationofcompletesetsofelectricaldesignofvarioustypesofdataprocessing,andhidethedetails,fortheusertoprovideuniformandtransparentinterfaceforavisit,isthecoreofthesystemintegration.
2.
2geometryclasslibraryframeworkdesignWiththedevelopmentofCADandcalculationandgraphicstechnology,keytechnologysuchasgeometrymodelinghasbeenquitemature.
MarketbetterCADwillprovidesecondarydevelopmentinterfacetorealizetheenterpriselocalizationfeaturescustomneeds.
Because,thedifferentmechanicalCADsoftwareplatformprovidedbythesecondarydevelopmentinterfaceistherearedifferences,andbecausetheexistenceofcommercialcompetition,secondarydevelopmentinterfaceisnotcompatiblewitheachother,thesecondarydevelopmentofelectricalcross-platformtransplantationandapplicationofCADisdifficult.
Cross-platformparametricmodelingofcommon,geometricdescriptionwithgeometrickernelcanbedividedintodifferentlevelstoachieve[3].
Inthispaper,theideaofobject-orienteddesign,interfaceclassencapsulatesthespecialgeometrytodescribethecharacteristicsofgeometryinformation,andencapsulatesthe2-dgeometricrelatedoperations,relatedtoelectricalCADgeometryandoperationhasnothingtodowiththeunderlyingCADthoroughly,encapsulation,independenceandgoodextensibility.
InordertomakeelectricalCADprogramcansmoothtransitionbetweenthedifferentunderlyingCADsoftware,theinterfaceforaparticular,withtheunderlyinginterfaceencapsulateCADplatformrelateddrawingfunction,throughtheinterfacemakestheelectricalCADsoftwareapplicationlayerandthebottomofthebridgeCADplatform,finallyrealizeswiththeminimumcosttorealizethecross-platformapplicationofelectricalCADsoftware.
2.
3symbollibrarystoragedesignBecauseofthecomplexityofthedatabaseapplicationsystem,thebestdesignwillnothappenovernight,thedatabasedesignisaplanningandstructureddatainthedatabaseobjectandtherelationshipbetweenthedataobjectiterativeprocess[4].
Inreferencetopreviousdesign,onthebasisofthisarticle,extendingthesymbolsoftheelectricalpropertydefinitionsexceptwiththesymbolattributes,eachsymbolwithelectricalpropertiesinformation.
Constitutethebasicdatabaseofsymboldesignis:theelectricalcomponentstable,graphicsymboltable,connectionpointtable,elliptical/ovalarctable,table,roundtable,writingtable,pointtable,lineartable.
Geometrictableincludes:POINTtable(GEOPOINTS),storageofgraphicsymbolPOINTentitydata;Lineartable(GEOLINE(S),storageofgraphicsymboloflinearentitydata;Roundtable(GEOCIRCLES),storageofgraphicsymbolroundentitydata;Circulartable(GEOARCS1,storageofthecircularARCofthegraphicsymbolentitydata;oval/ellipticARCtable(GEOtheELLIPSES),storageofgraphicsymboloftheELLIPSE/ellipticARCentitydata;texttable(GEO_FONTS),storageofgraphicsymbolcharacterentitydata.
3.
DesignandImplemEntationofCompleteSetsofElectricalInterfaces3.
1systemlayerdatabaseaccessinterfaceTheideaofobjectoriented,definitionCADOConnection,CADODatasetclass,realizetheADOdatabaseaccess,accessthedatabasethroughADOway,candonothingtodowiththedatabaseengineplatform.
ClassCADOConnectioninheritedfromCObjectclassprovidesthefunctionoftheADOtoconnecttothedatabasecollection.
Callamethod:firstcalltheconstructorconstructaCADOConnectionobject,thencallstheConDBorConDBByConnectstrmethod,establishadatabaseconnection.
CADOConnectionclassdesignasfollows:ClassCADOConnection:publicCObject{public://1.
ThestructureandthedestructorCADOConnection0;virtual--CADOConnection0;DECLARE_DYNCREATE(CADOConnection);public://2.
databaseconnection:openConDBboolConDBByConnectstr(CStringsConStr);boolConDB(CStringDbName,CStringPassword=--T(""),intDBType20);//3.
OpenDatabaseboolOpen(LPCWSTRlpstrConnection2-T(""));boolExecute(LPCWSTRlpstrExec);//4.
Settheconnectionstring——ConnectionPtrGetActiveConnection0;voidSetConnectionString(LPCWSTRlpstrConnection):CStringGetConnectionStrin90;//5.
TPlongBeginTransaction(){returnm_pConnection->BeginTrans0;}longCommitTransaction0{returnm_pConnection->CommitTransO;}longRollbackTransaction(){returnm_pConnection.
->RollbackTransO;)//6.
statemarkboolIsOpenO;voidClose();protected:ConnectionPtrmpConnection;//;databaseconnectionCStringmstrConnection;//:theconnectionstringClassCADODatasetinheritedfromCObjectclassprovidesADOdatabaseaccesstheresultsetoffunctionalitysetoperation.
3.
2systemregistryaccessinterfacelayerSoftwareconfigurationinformation,recordwiththeregistry,andsomedesignRegbasicinterface,theinterfaceismainlyrealizetheregistrytoreadandwriteoperations,amethodiscalled:Regbasicclassasstaticinterfaceclasses,methodsarestatic,canbecalleddirectly,noneedtobuildRegbasicobject,systemintegrationcallsthroughthecorrespondingCOMinterfacesencapsulateimplementation.
3.
3theapplicationlayersymbolpreviewinterfaceTheapplicationlayertoprovidemultiplepublicapplicationserviceinterfaceelementsisgivenpriorityto,intheapplicationlayerofthepackaginggraphicspreviewcontrolclassdesignasanexampletoexplaindesignideasandimplementationprocess,thecontrolinternalencapsulatedOPENGLinterface,provideelectricalsymbolsgraphicspreviewfunction.
CPicBoardinheritedfromCListCtrlclassisshowninfigure1.
InternalcallOpenGLmethodtocarryonthefunctionsofvectorgraphdrawingboard.
Inthisprojectismainlyusedfor:previewshowstheelectricalgeometrysymbols.
Fig.
1CPicBoardClassHierarchy3.
4userdrawingtemplateinterfaceUserlayerUSEStheobject-orienteddesignmethod,toestablishareasonablemodeloftheinformation.
Informationmodelbasedonobjectivethingsscientificallyinduction,summary,abstract,andbeabletoadoptthemethodofcomputerlanguagecanbeexpressedtotheobjectivethingstodescribethedatamodel.
Informationmodelofthehighestleveloflogicaldatamodel,itcanaccuratelyreflecttheobjectiveworldoftheapplicationsystemconstraintrelationsbetweenentities,attributes,entities[5].
ClassCPaperTemplateBasicimplementdrawingsheetandtheparametersofthetitlebarconfiguration,thefunctionoftheinteraction,suchrelationsasshowninfigure2.
Fig.
2CPaperTemplateBasicClassHierarchy4.
ConclusionCompletesetsofelectricalmarketcompetitionisintense,canmeetthedemandofenterprisedesigntoolssoftwarecanimprovetheefficiencyoftheelectricaldesign,toreducetheenterprisecost,increasethemarketcompetitivenessofenterprises.
Thisarticlearoundthecompletesetsofelectricaltechnologyapplicationintheelectricaldesign,onthebasisofreferencetootherelectricalCADsoftware,conductedatentativeresearch.
Firstcompletesetsofelectricalcadkeytechnologywereanalyzed.
Andatthesametimeofcompletesetsofelectricalinterfacehascarriedonthedesignandimplementation,andverifytheresults.
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