中压开关柜温升在线监测系统设计

ELECTRONICTEST01－022013112(1．兰州交通大学电子与信息工程学院兰州730070;2．91206部队青岛266108)。C8051F020。TM591AMediumvoltageswitchgeartemperatureriseofonlinemonitoringsystemdesignZhuHandong1LiuXuning21．ElectronicandInformationEngineeringCollegeofLanzhouJiaotongUniversityLanzhouGansu7300702．MilitaryUnit91206ofPLAQingdaoShandong266108AbstractMediumvoltageswitchgearinthelong-runningprocessswitchgearcontactsduetoagingorexposuretoexcessiveresistanceheatingtheswitchgearfaultwhichcausedahigherproportionofswitchequipmentfailuresothemedium-voltageswitchcabinetthetemperaturestatereal-timemonitoringisverynecessary．InthispaperbasedontheC8051F020MCUfarinfraredthermometrytoovercomethedifficultiesofthehigh-temperatureandhigh-voltageswitchcabinettoachievereal-timeacquisitionofmediumvoltageswitchgearcabinettemperaturetoachievetheeffectofthetemperatureriseofonlinemonitoring．Keywordsmediumvoltageswitchgeartemperatureriseonlinemonitoring0、、、。1。。。1。———。。3。、、31。RS485。RS485。·111·电子测试12RS4855。2．12。2A/DRS485RS485。TMP100TI。2．0～5．0V－55℃～125℃±2℃－25℃～85℃/±3℃－55℃～125℃。45μA0．1μA2。TI、C8051F020。C8051FC8051F020CIP－51RAM、ROM、I/O、/、SPISerialPeripheralInterface。CIP－511～2C8051F0200～25MHzCIP－5l25MHz25MI/s。2．7～3．6VI/ORSTJTAG5V。C8051F02088I/O。2．23。315sC8051F020RS－485TMP100TMP100。C8051F020、C8051F020、。33．1。VisualBasic6．0SQLServer。SQLServe2000ODBCOpen·211·朱汉东等:中压开关柜温升在线监测系统设计DatabaseConnectivity、、。。4。43．2RS－485。RS－485。RS－485。5。546。65、、、、、、。1．J．2010463．2．J．20106．3．M．2000．4．J．2009453．5．D．2007．6．J．200542291-93．7．J．2006261．8．C8051FCM．2004．。[e-mail]·311·