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1、电工识图（Electricalengineeringdrawing）Manykindsofelectricaldiagram,thispaperpresentsonlytheschematicdiagram,circuitdiagram,logicdiagramandwiringdiagram.Showthatthescaleofthesystem,theoverallscheme,composition,mainfeatures,needtosketch.Saidsystem,electricaldeviceprinciple,analysisofcircuitcharacte
2、risticstothecircuitdiagram.Showtheconnectionofeachelementbetweentheelectricaldevice,convenientinstallationandwiringtowiringdiagram.Indigitalcircuits,andshowthatthelogicdiagramfunctiontorealizethelogicfunctionoftheminadditiontothegeneralrulefollowingelectricaldiagrams,andtheircharacteristics.1
3、:theexpressionofelectricaldiagram:1,sketch:istheuseofgraphicsymbols,annotatedboxesorsimplifiedshaperepresentsadiagramofthesystemorequipmentintherelationsbetweenpartsandconnections.Mostoftheelectricaldiagrambelongtothediagram.Suchassketch,logicdiagram,functiondiagram,circuitdiagram,wiringdiagr
4、ametc..Sketchisnotsimple,butasimplifiedform.Table2,figure:anewkindoffigureisgood,itisbycombiningthenumberofspecialgraphicsymbolsandtextdescriptionofthefew,todescribearelationshipbetweentwoormorethantwovariables,suchascurvediagram,sequencediagram,functiondiagram.Chartdiagramcanalsobe.Itisnotun
5、derstoodasachartchart,becausetheexpressionchartismainlyusedinsteadoftablemap.3,thedatatableiscontentwithanexpressionarearrangedtoexplainthesystem,therelationshipbetweentheequipmentorpartoftheconnection,canbereferredtoasthetable,suchasequipmentetc..Second:schematicdiagram(alsoknownasthesystemm
6、apordiagram)isannotatedwiththesymbolorframeinthebasiccompositionofsystemorsubsystem,asketchofmutualrelationsandmaincharacteristics,fromthepointofviewofsystemdesignappearedbrieflyexpressedtheoverallprogram,therelationshipbetweentheworkingprincipleandmainpartssetamongdifferentcomponents:fromthe
7、angleoffunctionroughlyexpressioncharacteristicsofthevariouspartsoftheproject,andthefunctionarebrieflyintroduced.Roughlycanbedividedtodifferentlevelsofdrawing,stepbystepcanrefertodrawingobjectdecompositionleveldivision,thehigherlevelcanreflect
