Representationofelectricaldiagram電氣圖連接線表示方法

Representationofelectricaldiagramconnectionlines電氣圖連接線的表示方法《工程識圖與電氣CAD》EngineeringDrawingReadingAndElectricCADTeachingResourcesDatabaseofNationalVocationalEducationPowerSupplyTechnologyBilingualCourses課程負責人：蘇曉蘭陳忠Courseleader:SuXiaolanChenzhong目錄

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CONTENTS01/連接線的表示方法Representationofconnectionlines課程負責人：蘇曉蘭陳忠Courseleader:SuXiaolanChenzhongCharacteristicsofelectricaldiagram電氣圖的特點1.Representationofconnectionlines連接線的表示方法單線表示法Single-linerepresentation連續(xù)線表示法Continuouslinerepresentation中斷線表示法Breaklinerepresentation多線表示法Multilinerepresentation連續(xù)線表示法Continuouslinerepresentation中斷線表示法Breaklinerepresentation3.Representationofconnectionlines連接線的表示方法單根導線表示:兩根或兩根以上的連接線或?qū)Ь€在圖上只用一條圖線表示Single-wirerepresentation:twoormoreconnectinglinesorwiresarerepresentedbyasinglelineonthediagramCharacteristicsofelectricaldiagram電氣圖的特點3.Representationofconnectionlines連接線的表示方法單根導線的表Atableofsingle-wire（水平）Horizontal一根導線Onewire（豎直）Vertical二線交叉（不聯(lián)接）Twowirecrossings(notconnected（二線交叉聯(lián)接）（單邊連接）Unilateralconnection（正確畫法)Right（錯誤畫法）Wrong導線暗敷wireisinside導線明敷wireisonthesurfaceTwowirescross(notconnected)TwowirescrossconnectionCharacteristicsofelectricaldiagram電氣圖的特點3.Representationofconnectionlines連接線的表示方法多根導線表示:每根連接線或?qū)Ь€各用一條圖線表示Multiplewirerepresentation:eachconnectinglineorwireisrepresentedbyagraphlineCharacteristicsofelectricaldiagram電氣圖的特點3.Representationofconnectionlines連接線的表示方法多根導線表示:

每根連接線或?qū)Ь€各用一條圖線表示Multiplewirerepresentation:eachconnectinglineorwireisrepresentedbyagraphline3（三根導線）3wiresL1L2L3水平三根線從豎直三根線分別連接引出Threehorizontallinesarerespectivelyconnectedfromthreeverticallines水平三根線與豎直三根線交叉但不連接ThreehorizontalwirescrossbutdonotconnectwiththreeverticalwiresCharacteristicsofelectricaldiagram電氣圖的特點3.Representationofconnectionlines連接線的表示方法單線和多線表示法:在同一圖中，必要時單線表示法和多線表示法可組合使用。Single-lineandmulti-linerepresentation:single-lineandmulti-linerepresentationcanbecombinedifnecessaryinthesamediagramCharacteristicsofelectricaldiagram電氣圖的特點3.Representationofconnectionlines連接線的表示方法中斷線法

BreaklinerepresentationCharacteristicsofelectricaldiagram電氣圖的特點3.Representationofconnectionlines連接線的表示方法中斷線法Breaklinerepresentation連接線中斷可用于以下三種情況：Connectionlinebreakingcanbeusedinoneofthreesituations（1）當穿越圖面的連接線較長或穿越稠密區(qū)域時，允許將連接線中斷，且在中斷處加相應標記。Whentheconnectinglineacrossthedrawingsurfaceislongorthroughaserriedarea,itisallowedtobreaktheconnectingline,andthecorrespondingmarkisaddedatthebreakingpoint.（2）去向相同的線組，可中斷，且在中斷處加適當標記。Connectionlinesgoingtothesamegroupofwirescouldbreakandweshouldappropriatelymarkatthebreakingpoint（3）連接到另一張圖上的連接線，應中斷，且在中斷處注明圖號、張次、圖幅分區(qū)代號等標記。Theconnectinglineconnectedtoanotherdrawingshouldbebrokenandmarkedwithdrawingnumber,sheetnumber,mappartitioncodeandothermarksatthebreakingpoint.Characteristic