:100622777(2004)0320008202,(,338001)::;;;:TP212.13:BAlarmSystemsofHydraulicStationOilLeakagealarm.YANGRui2lin,SONGShui2gen(XinyuIronandSteelCo.,Ltd.,JiangxiXinyu338001,China)Abstract:Theapplicationofliquidlocationsensorsofmagnetostrictionintheliquidlocationmeasurementandoilleakagealarmofhydraulicstationareintroducedinthispaper.KeyWords:magnetostriction;sensors;liquidlocation;oilleakagealarm1,,200310,4,10,,0.025mm,0.5mm0.008%F.SPLCWINCC2:(,),,1,,,,,,,,,,,,,24320046JIANGXIMETALLURGYVol.24,No.3June2004:2004203210:(19692),,,,,,h,,,,:h=TV(1)H=L-TV(2):H;L;T;V13PLC24V,420mA,,420mA,,420mA,22420mAPLC,420mA,,WINCC4WINCC(1),WINCC:;;,2cm,,(2)PLC,WINCC,33(3),2cm,,5200392cm,,,,()4220046