資源描述:
《基于多源信息融合的熱缺陷監(jiān)測系統(tǒng)研究.pdf》由會員上傳分享,免費在線閱讀,更多相關內(nèi)容在行業(yè)資料-天天文庫。
1、第41卷第5期電力系統(tǒng)保護與控制Vo1.41NO.52013年3月1日PowerSystemProtectionandControlM1.2013基于多源信息融合的熱缺陷監(jiān)測系統(tǒng)研究熊軍華27負超,王亭嶺(1.北京航空航天大學機械工程及自動化學院,北京100191;2.華北水利水電學院電力學院,河南鄭州450011)摘要:為解決單純使用紅外熱像儀對變電站死角巡檢不到的難題,提出了一種利用紅外熱像儀配合可見光攝像機及無線測溫傳感網(wǎng)絡實現(xiàn)對高壓設備發(fā)熱缺陷實時在線檢測的新方法。熱缺陷在線監(jiān)測系統(tǒng)采用能量捕獲技術(shù)獲取太陽能,實現(xiàn)了傳感
2、器節(jié)點的自主供電。為減少計算量,運用分步式濾波融合算法,快速標定熱故障點位置。監(jiān)控程序采用基于TCP/IP協(xié)議的c/s(客戶端/服務器)通信模型,通過應用面向連接的流式套接字實現(xiàn)可靠的數(shù)據(jù)傳輸,并運用0penCV的視頻采集與圖像處理函數(shù)庫,實現(xiàn)高壓設備熱缺陷遠程實時在線分析。關鍵詞:多源信息融合;熱缺陷;紅外熱~g4z;無線傳感網(wǎng)絡;自主供電;分步式濾波融合算法Researchonmonitoringsystemofthermaldefectsbasedonmulti-sourceinformationfusionXIONGJu
3、n.hua一,YUNChao,WANGTing.1ing(1.SchoolofMechanicalEngineeringandAutomation,BeijingUniversityofAeronauticsandAstronautics,Beijing100191,China;2.DepartmentofElectricPower,NoahChinaInstituteofWaterConservancyandHydroelectricPower,Zhengzhou450011,China)Abstract:Tosolvethe
4、problemthatmerelyusinginfraredthermalimagercannotinspecttheblindareaofthesubstations,anewmethodthatusesinfraredthermalimagertogetherwithCCD(ChargeCoupledDevice)cameraandwirelesssensornetworkstoimplementthereal·timeandonlinedetectionofthermaldefectsforhigh-voltageequi
5、pmentisproposed.Theenergyharvestingtechniqueisemployedtoobtainsolarenergy,whichachievestheindependentpowersupplyofsensornodes.Inordertoreducetheamountofcomputation,thestepbystepfilteringfusionalgorithmbasedonasynchronoussamplingdataisusedtorapidlycalibratethethermalf
6、aultslocation.ThecommunicationmodeofthemonitoringsystemadoptsC/S(Client/Server)modelbasedonTCP/IPprotocols.Thereliabledatatransmissionisachievedbyusingconnection—orientedstreamsockets.ThevideocaptureandimageprocessingfunctionlibraryofOpenCVareutilizedtorealizethereal
7、—timeandonlineanalysisofthermaldefectsforhigh-voltageequipment.Keywords:multi—sourceinformationfusion;thermaldefect;infraredthermalimager;wirelesssensornetwork;independentpowersupply;stepbystepfilteringfusionalgorithm中圖分類號:TM764文獻標識碼:A文章編號:1674-3415(2013)05—0146-05利用
8、紅外測溫技術(shù)對設備進行熱缺陷檢測己O引言廣泛應用于電力系統(tǒng),其中大部分是采用手持式紅隨著現(xiàn)代電力工業(yè)向著高電壓等級、大容量的外設備。近年來,也有將紅外與可見光攝像頭安裝發(fā)展,為保證電力生產(chǎn)安全高效運行,對電力設備在云臺上,在監(jiān)控計算機的控制下,自動循環(huán)采集狀態(tài)檢