电气间隙和爬电距离的计算

:2010-11-16GB47931-2007邓振进(湖南省医疗器械与药用包装材料(容器)检测所,湖南长沙410001)TH77A1002-2376(2011)01-0009-04本文介绍了GB47931中电气间隙和爬电距离定义影响因素以及测量方法电气间隙;爬电距离;瞬态过电压;绝缘类型;基本绝缘;辅助绝缘;加强绝缘;漏电起痕指数,,,;,/,,,1,;,,2(),(123)(CTI),,,!∀CTI(),:#600∃CTI;%400∃CTI600;&a175∃CTI400;&b100∃CTI175CTIGB/T4207,,A(50),,,,,(1),,,,,,DiscussionabouttheVerificationandEffectFactorofDeterminationofResistanceofProtectiveClothingMaterialstoPenetrationbyBloodBornePathogens∋∋∋TestMethodUsingPhi-X174BacteriophagePanSichun,WangZhengq,iYueWeihua,LiuSimin(Beijinginstituteofmedicaldevicetesting,Beijing100120,China)Abstract:ThestandardofYY/T0689-2008determinationofresistanceofprotectiveclothingmaterialstopenetrationbyblood-bornepathogens∋∋∋testmethodusingphi-X174bacteriophagisbasedontheISO16604:2004internationalstandardCombinedwithsomeyears'practicalexperiencesofproducttestingwithprotectivemateria,lwedidthefeasibilitystudyofthisstandards'applicabilityKeywords:resistanceofpenetrationbyblood-bonepathogens;phi-X174bacteriophag(ATTC13706-B1);dedicatedcolibacillus(ATTC13706)920111GB47931:123,,,,,,2(2)(),2000m,1,,(3),,215000mm∃20001002001~30001143001~40001294001~5000148(4)2(5)2(),331(),,,+,,,(),,:,,(,,GB47931C1)!∀!∀,GB47931C211111X2-V(1)mm123CTI(100mmCTI(100mmCTI(100mmICTI(600mmIICTI(400mmIIICTI(100mmICTI(600mmIICTI(400mmIIICTI(100mm50~∃10001010250160711014182022100~∃15005050505081116202225150~∃30015151515152130384147300~∃600303030303043607583941::2:02mm;3:08mm2:,10MedicalEquipmentVol24,No11C1Xmm10252103153mm,X111,:(1)X,(3)(2)X,(4)(3),GB47931,,:1:(1,21mm),,dr,x1x2,x1!∀,x2!∀,x2drx1;dl,y1y2,y1!∀,y2!∀,y2dly111,Xdr=AB+BC+CDdl=AB+BC+CD2:(2,21mm)(2),2,1mm,1mm,B,B1mm,B!∀,ABAB1mm,1mm,BCCD,BC+CD+1AD;ACCD,AC+CDAD22,dr=AB+BC+CD(AB=1mm)dl=AC+CD3:333,X!∀,dl=AB+BE+EF,dr=AB+BC+CD+DE+EF4:4411201114XV!∀,dl=AB+BG+GH,X!∀,dr=AC+CD+DE+EF+FH(DE=1mm)5:555,dl=AC+CD+DF,dr=AB+BC+CD+DE+EF6:666,X!∀,dl=dr=AB+BC+CD7:777,X!∀,dl=AD+DE+EG,dr=AC+CD+DE+EF+FG8:888,X,X(dr=AB+BC+CD+DE)(dl=AC+CD+DE)89:999,dr=AC+CF+EF+FG+GH,dl=AB+BD+DH10:101010,,dl=AC+CDX,,dr=AB+BC+CD11:111111Cd+D∋∋∋∋∋∋----32(),33(),,,12MedicalEquipmentVol24,No1