111(1.,430074):,,,,(DDC)(DCS),,.:;;:TU833+.53:TP273:A:1000-5730(2002)02-0038-04,,.,,.,,,,.(30hm2),.1,.,.,,,,.,,.a..,.,,,.b..,,,;,,.c..,,,.d..,.,.,,.,,,.,,,.,.,,.2(DDC)(DCS).,,LonWalk.,.,,LonMark.,:2002-03-01.:(1967-),,;,(430074).192()Vol.19No.220026J.ofHuazhongUniv.ofSci.&Tech.(UrbanScienceEdition)Jun.2002©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,.,.DDC,.,.,,..,,,DDC.3:(1),.13.1,,,,,DDC,DDC(),..3.2DDC,DDC.,,,.DDC,RS485,/.DDC,,,.3.3,..:DDC,,(DDC,).:,DDC,,(DDC);,,.:,.,,,,,,...,,,,.,.,,.:,BASIntranet,932:©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Intranet.Intranet,BAS.,,.,;,.,.:DDC,,,,.44.1,DDC,,DDC.,,,DDCDDC.4.2,.,.,,,,.,.,:.,,,.78%90%,.(70%)60%.,,,.a.,,/,,.b.(),,(),,.,,,.c.,,.,,(COP).COP,,,.,,COP.,,.d.,,,,,,.,.,,.[1].[J].:,1991.[2].[J].,1997,(3):29-33.[3]StuartSmith.Theintegrationofcommunicationsnetworksintheintelligentbuilding[J].AutomationinConstruction,1997,(6):511-527.[4].[M].:,1999.[5].[J].,2000,(2):31-34.04()2002©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.CentralizedAutomaticControlforaLarge2scaleResidentialQuarterWaterSourceHeatPumpSystemLEIFei1YUANXu2dongXUYu2dang1(1.CollegeofEnvir.&Sci.,HUST,Wuhan430074,China)Abstract:Basedonaconstructingproject,awatersourceheatpumpsysteminalarge2scaleresidentialquarterandinviewofthecharacteristicofthesystemwithnumerousequipments,complexcontrol,decentralizedistributionandthecontrolrequirementisdiscussed.ReasonableschemeofDCScomposedwithDDCbycomparingtypicalcontrolsystemstylesaregivenandtheoptimizecontrolmethodofsinglemachine,multi2machinesandentiresystemarepre2sented.Keywords:watersourceheatpump;directdigitalcontroller;distributedcontrolsystem()(5),.:t/s,f/Hz,h/mm,m/s,mol,rad,kWh,r/min.,:1bar=105Pa,1mmHg=133.322Pa,1atm=101325Pa,1dgn=10-5N,1kgf=9.80665N,1tf=9.80665103N,1ppm=10-6.(8).;,().,.3,1,;,().,.():..,,():-....:,.142:©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.