2023學年完整公開課版Representation of electrical diagram 電氣圖規(guī)范

SpecificationforElectricalDiagram電氣圖規(guī)范《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/圖幅尺寸Sheetdimension02/圖框線Diagramframeline03/圖幅分區(qū)Drawingpartition04/標題欄Thetitlebar05/圖線Lineofdiagram06/字體Thefont07/比例Thescale08/其他Else課程負責人：蘇曉蘭陳忠Courseleader:SuXiaolanChenzhongClicktoaddTitle圖紙基本幅面的尺寸（mm）Thedimensionsofthebasicformatofthedrawing(mm)幅面代號Code841*1189594*841420*594297*420210*297B*Leca201010525A0A1A2A3A4注：B、L、e、c、a詳見后文Note:seeb,l,e,calater1.Sheetdimension圖幅尺寸SpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitleA159412611471168219822102252314861783208023786301051A45A44A33A34891A43420A2297A3210A484111890A0

必要時，可以按規(guī)定加長圖紙的幅面。幅面的尺寸由基本幅面的短邊成整數(shù)倍增加后得出。圖中虛線為加長后的圖紙幅面。Ifnecessary,theformatofthedrawingcanbeextendedaccordingtotheregulations.Thedimensionisobtainedbymultiplyingtheshortedgesofthebasicdrawingbyintegralmultiples.Thedottedlineinthedrawingisthelengtheneddrawingformat

繪制圖樣時,優(yōu)先采用表中規(guī)定的圖紙幅面尺寸（A）。Whendrawing,thesheetdimension(A)specifiedinthetableispreferred.1.Sheetdimension圖幅尺寸SpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitle圖框線有兩種格式：一種是用于需要裝訂的圖紙,另一種則用于不需要裝訂的圖紙。Therearetwoformatsfordiagramframelines:onefordrawingsthatrequirebindingandtheotherfordrawingsthatdonotrequirebinding.

留有裝訂邊圖樣的圖框格式(1)

Frameformatwithboundedges留有裝訂邊圖樣的圖框格式(2)Frameformatwithboundedges圖面由邊框線、圖框線、標題欄、會簽欄組成。Thedrawingsurfaceiscomposedofborderline,diagramframeline,titlebarandcountersignbar2.Diagramframeline圖框線DiagramframelineTitlebarDiagramframelineTitlebarPaperborderlinePaperborderlineThesurroundingThesurroundingSpecificationforElectricalDiagram電氣圖規(guī)范

不留裝訂邊圖樣的圖框格式(1)

Frameformatwithoutbindingedge(1)不留裝訂邊圖樣的圖框格式(2)Frameformatwithoutbindingedge(2)2.Diagramframeline圖框線DiagramframelineTitlebarPaperborderlineThesurroundingDiagramframelineTitlebarThesurroundingPaperborderlineSpecificationforElectricalDiagram電氣圖規(guī)范

即將圖紙相互垂直的兩邊各自加以等分，豎邊方向用大寫拉丁字母編號，橫邊方向用阿拉伯數(shù)字編號，編號的順序從標題欄相對的左上角開始，分區(qū)數(shù)應為偶數(shù)，如下圖。3.Sheetdimension圖幅尺寸SpecificationforElectricalDiagram電氣圖規(guī)范Itistodividethetwosidesofthedrawingthatareperpendiculartoeachotherequally.Theverticalsideisnumberedwithcapitallatinletters,andthehorizontalsideisnumberedwitharabicnumerals.Thenumberingsequencestartsfromtheupperleftcornerofthetitlebar,andthenumberofpartitionsshouldbeeven,asshowninthefigurebelow.圖幅分區(qū)后，相當于在圖樣上建立了一個坐標，電氣圖上的元件和連接線的位置可由此“坐標”唯一地確定下來了。Afterthedrawingispartitioned,itisequivalenttoestablishingacoordinateonthedrawing,andthepositionsofcomponentsandconnectinglinesontheelectricaldrawingcanbedeterminedbythis"coordinate"序號Sequencenumber元件名稱Nameofcomponent元件符號Componentsymbol標記寫法Wayofmarkwriting行號Rownumber列號Columnnumber區(qū)號Areanumber1繼電器線圈RelaycoilKMB4B42繼電器觸點RelaycontactKMC2C23按鈕ButtonSBB2B24電阻器ResistorRC4C43.Sheetdimension圖幅尺寸SpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitle標題欄，用來反映設計名稱、圖號、張次、設計者等相關(guān)設計信息，位于圖紙的右下角，其形式?jīng)]有統(tǒng)一規(guī)定。Titlebar,usedtoreflectdesignname,drawingnumber,papernumber,designer,etcTherelevantdesigninformationislocatedinthelowerrightcornerofthedrawing,anditsformisnotuniform變電所平面布置圖Substationfloorplan2004D-06-01審定Examine審核Examineandverify項目負責人Projectleader專業(yè)負責人Leader校核Check設計Design制圖Drawing日期Date工程名稱Projectname子項名稱Subitemname

比例Scale圖號中國電力工程東北設計研究院NortheastChinaElectricPowerEngineeringDesignandResearchInstitute階段Phase專業(yè)Major********工程…project小區(qū)變電所工程Residentialsubstationproject1/300施工圖Productiondrawing電力Electricity4.Titlebar標題欄DrawingnumberSpecificationforElectricalDiagram電氣圖規(guī)范標題欄參考格式TitlebarreferenceformatNameoforganizationProjectnameDrawingtitleDrawingnumberDesignprojectDesignphaseScaleSignatureDateDutyDesignDrawingCheckExamineAgelimitNumber…Total…ClicktoaddTitle

圖線分為粗線和細線兩種。粗線寬度(d)應根據(jù)圖形的大小和復雜程度在0.5～2mm之間選擇，細線的寬度約為d／2。圖線寬度的推薦系列為：0.13，0.18，0.25，0.35，0.5，0.7，1，1.4，2mm。實際畫圖中，粗線一般取0.7mm或0.5mm。圖線基本線型共有15種，下表為常用幾種圖線形式。Linesofdiagramaredividedintothicklinesandthinlines.Thewidthofthethickline(d)shouldbebetween0.5and2mm,dependingonthesizeandcomplexityofthedrawing,andthewidthofthethinlineshouldbeaboutD/2.Therecommendedlinewidthsare:0.13,0.18,0.25,0.35,0.5,0.7,1,1.4,2mm.Intheactualdrawing,thethicklineisgenerally0.7mmor0.5mm.Thereare15typesofbasiclinesofthediagram.Thefollowingtableshowssomecommonlyusedformsoftheline.5.Lineofdiagram圖線SpecificationforElectricalDiagram電氣圖規(guī)范幾種常用圖線形式Severalcommonformsofdiagramline圖線類型typeofdiagramline主要用途mainapplication粗實線heavyline可見輪廓線visibleoutline細實線fineline尺寸線、尺寸界線、剖面線、引出線dimensionline,dimensionboundaryline,sectionline,outgoingline細波浪線finewavyline斷裂處的邊界線、視圖和剖視圖的分界線Theboundarylineofbreakingpoint,boundarylineofviewandsectionview細雙折線finedoublebrokenline斷裂處的邊界線boundarylineofbreakingpoint細虛線finedashline不可見輪廓線invisibleoutline細點畫線finedash-dottedline軸線、對稱中心線axis,symmetriccenterline粗點畫線heavydash-dottedline有特殊要求的表面表示線Surfacerepresentinglineswithspecialrequirements細雙點畫線finetwodash-dottedline假想投影輪廓線、中斷線imaginaryprojectionoutline,breakline5.Lineofdiagram圖線SpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitle漢字應寫成長仿宋體。圖樣中的字體書寫必須做到：字體工整、筆劃清楚、間隔均勻、排列整齊。Chinesecharactersshouldbewritteninlongfangsongti.Thewritingofthefontsinthedrawingmustbeneat,clearstrokes,evenlyspacedandarrangedneatly.字體高度（用h表示，單位為mm)的公稱尺寸系列為1.8、2.5、3.5、5、7、10、14、20。漢字的高度h不應小于3.5mm，其字寬一般為(2/3)h。Thenominalsizeseriesoffontheights(Itisdenotedbyhandtheunitismm)are1.8,2.5,3.5,5,7,10,14,and20.TheheighthofChinesecharactershouldnotbelessthan3.5mm,anditscharacterwidthisgenerally(2/3)H字母和數(shù)字可寫成斜體或直體，注意全圖統(tǒng)一。斜體字字頭向右傾斜，與水平基準線成75°。Lettersandnumberscanbewritteninitalicsorinstraightletters.Theitalicsareinclinedtotheright,75°fromthehorizontaldatum6.Thefont字體SpecificationforElectricalDiagram電氣圖規(guī)范Thefontisneat,thestrokeisclear,theintervaliseven,andthearrangementisneatClicktoaddTitle比例是指圖中圖形與其實物相應要素的線性尺寸之比。Scalereferstotheratioofthelineardimensionsofthefigureandthecorrespondingelementsinthedrawing.比例Scale

原值比例originalvaluescale1:1縮小比例Reduceinscale1:21:51:101:2×10n1:5×10n1:10×10n

1:1.5×10n1:2.5×10n1:3×10n1:4×10n1:6×10n放大比例Enlargeinscale2:15:11×10n:12×10n:15×10n:1

4:12.5:14×10n:12.5×10n:17.Thescale比例SpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitle

不論采用何種比例，圖形中所標注的尺寸數(shù)字必須是物體的實際大小，與圖形的比例無關(guān)。如下圖所示。Nomatterwhatscaleisused,thesizenumbermarkedinthedrawingmustbetheactualsizeoftheobject.Itisindependentofthescaleofthedrawing.Asshowninthefigurebelow.不同比例的尺寸注法7.Thescale比例DimensionannotationmethodofdifferentscaleSpecificationforElectricalDiagram電氣圖規(guī)范01030204箭頭和指引線Arrowsandguidelines圍框Frame注釋Annotation詳圖Detaileddiagram8.Else其他05尺寸標注DimensionmarkingSpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitle（1）箭頭和指引線

Arrowsandguidelines箭頭：有開口箭頭（主要用于電氣能量、電氣信號的傳遞方向）和實心箭頭（主要表示力、運動或可變性方向）。Arrows:thereareopenarrows(mainlyforelectricalenergy,electricalsignaltransmissiondirection)andsolidarrows(mainlytoindicatethedirectionofforce,movementorvariability).指引線：用于注釋的對象，應為細實線，并在其末端加標記。Guideline:objectsusedforannotationsshouldbethinsolidlineswithamarkattheend8.Else其他OpenarrowSolidarrowApplicationexampleSpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitle（2）圍框Frame作用：表示電氣圖中的的功能單元、項目組（電器組、繼電器裝置）。Function:representsthefunctionalunitandprojectgroup(electricalunit,relaydevice)intheelectricaldiagram.注意：圍框用點劃線表示，有規(guī)則的形狀，不應與任何元件符號相交。Note:theframeisindicatedbyadottedline,aregularshape,andshouldnotintersectwithanysymbols.圍框表明兩個接觸器的觸點數(shù)量及作用Theframeindicatesthenumberandfunctionofthecontactsofthetwocontactors8.Else其他SpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitle（2）圍框Frame用雙點劃線表示－B單元在功能上與－A單元有關(guān)，但不安裝在該單元內(nèi)。Adoubledottedlineindicatesthatthe-Bunitisfunctionallyrelatedtothe-Aunit,butisnotinstalledwithinit.用點劃線表示－A單元內(nèi)包含的元件類型及數(shù)量Dottedlinesindicatethetypeandnumberofcomponentscontainedin-Aunitl圍框舉例Exampleofframe8.Else其他SpecificationforElectricalDiagram電氣圖規(guī)范Notin-AClicktoaddTitle（3）注釋Annotation作用Function:用來表達圖形符號不便表達或表達不清楚的含義Usedtoexpresstheinconvenientorunclearmeaningofgraphicsymbols方式Method：①直接放在要說明的對象附近；②在所要說明的對象附近加標記，而將注釋放在圖中其它位置或另一頁。(1)directlyplacedneartheobjecttobeexplained;②Placeamarkneartheobjecttobedescribed,andplaceannotationsomewhereelseinthediagramoronanotherpage.

（4）詳圖Detaileddiagram

作用Function：詳圖即用圖形來注釋，具體說就是把電氣裝置中某些零部件和連接點等結(jié)構(gòu)、做法及安裝工藝要求放大并詳細表示出來。Detaileddiagramthatistousegraphicstoannotate.Specifically,itistoenlargeandshowthestructure,practiceandinstallationprocesssuchassomepartsandjointsoftheelectricaldeviceindetail.

8.Else其他SpecificationforElectricalDiagram電氣圖規(guī)范ClicktoaddTitle（5）尺寸標注

Dimensionmarking

8.Else其他尺寸線

dimensionline尺寸界限

dimensionlimit尺寸起止點dimens