Aircompressorcontrol空壓機(jī)控制DRIVINGCONTROLSYSTEMFORURBANRAILTRANSITVEHICLESVEHICLECONTROL鄭州鐵路職業(yè)技術(shù)學(xué)院ZHENGZHOURAILWAYVOCATIONAL&TECHNICALCOLLEGECoreCourseofUrbanRailTransitVehicleTechnology城市軌道交通車輛技術(shù)專業(yè)核心課Speaker:WangRuofei主講人：王若飛空壓機(jī)控制Aircompressorcontrol1.Aircompressorworkingmode

空壓機(jī)工作模式(1)Commonmode

常用模式Thecommonworkingmodeofaircompressoristhatthecompressorwouldstartwhenthepressuredropstothestartlimit,andwouldshutdownwhenthepressureexceedstothestoplimit.Thepressureshallbecontrolledbetweenthetwopressurelimits.空氣壓縮機(jī)的常用工作模式是當(dāng)壓力降到啟動(dòng)極限時(shí)空壓機(jī)開(kāi)始啟動(dòng)，當(dāng)壓力超過(guò)到停機(jī)極限時(shí)空壓機(jī)開(kāi)始關(guān)閉。壓力控制就在兩個(gè)壓力極限之間。空壓機(jī)控制Aircompressorcontrol1.Aircompressorworkingmode

空壓機(jī)工作模式(2)Auxiliarymode

輔助模式Theauxiliarymodeofaircompressorreferstothemodethatwouldstartwhenthepressuredropstotheauxiliarystartlimit,andwouldshutdownwhenthepressureexceedstothestoplimit.Thepressureshallbecontrolledbetweenthetwopressurelimits.空氣壓縮機(jī)的輔助模式就是當(dāng)壓力降到輔助啟動(dòng)極限開(kāi)始啟動(dòng)，當(dāng)壓力超過(guò)到停機(jī)極限時(shí)空壓機(jī)開(kāi)始關(guān)閉。其壓力控制就在兩個(gè)壓力極限之間。Theoperatingmodeofthecompressoristoallowonecompressortoactasthemastercompressor(commonmode)andtheothercompressortoactastheslavemode(auxiliarymode).Thebrakecontrolelectronicsunitoneachcarriagereceivesasignalfromthetrainfluxsignalprogram(FIP)thatactsasthemastercompressorofthecurrentday.Thissignalischangedonadailybasis.Ifthepressureairthatarerequiredbythetrainscanbemetbyonecompressor,theothercompressorwouldbenotstarted,andtheothercompressorwouldstartonlyifthetotalairpressureisbelow7.5barandonecompressorcannotmeettherequirements.壓縮機(jī)的工作模式就是允許一個(gè)壓縮機(jī)作為主壓縮機(jī)（常用模式）而另一個(gè)壓縮機(jī)作為從動(dòng)模式（輔助模式）。每個(gè)車上的制動(dòng)控制電子單元都能接受來(lái)自列車磁通信號(hào)程序（FIP）的今天哪個(gè)壓縮機(jī)是主壓縮機(jī)的信號(hào)。這個(gè)信號(hào)以每天為基礎(chǔ)來(lái)更換。如果列車需要的壓力空氣由一個(gè)空壓機(jī)就能滿足，則第二個(gè)空壓機(jī)就不再啟動(dòng)，只有當(dāng)總風(fēng)壓力低于7.5bar一個(gè)空壓機(jī)不能滿足要求時(shí)才啟動(dòng)第二個(gè)空壓機(jī)。1.Aircompressorworkingmode

空壓機(jī)工作模式空壓機(jī)控制AircompressorcontrolTheVCUcontrolstheaircompressoraccordingtothetotalairductpressuresignalprovidedbythebrakesystempressuresensor.Thetotalairpressurevaluecanbesetaccordingtotheactualsituation.Whenthetotalairpressureisdetectedtobelowerthan750kPa,onlyoneendoftheDAmodule,whichisthedigitaloutputmodule(=41-303.04)oftheunitwherethemainaircompressorislocated,outputsahighlevel,theaircompressorcontrolrelay(=34-K301)ispoweredonandthemainaircompressorstarts.Atthesametime,itspins13and14wouldbeclosedandtheDEmodule,whichisthepinE312_13ofthedigitaloutputmodule(=41-303.02)wouldbepoweredonandfeedtheVCUtostarttheaircompressor;whenthemainairpressureislowerthan750kPa,theDAmodule(=41-303.04)atbothendsoutputshighlevelandtheaircompressorsofbothunitswouldstartatthesametime.VCU根據(jù)制動(dòng)系統(tǒng)壓力傳感器提供的總風(fēng)管壓力信號(hào)對(duì)空氣壓縮機(jī)進(jìn)行控制。可根據(jù)實(shí)際情況設(shè)定總風(fēng)壓力值，當(dāng)檢測(cè)到總風(fēng)壓力低于750kPa時(shí)，只有一端的DA模塊也就是主空壓機(jī)所在單元的數(shù)字量輸出模塊（=41-303.04）輸出高電平，空氣壓縮機(jī)控制繼電器(=34-K301)得電，主空壓機(jī)啟動(dòng)，同時(shí)其13、14引腳閉合，DE模塊也就是數(shù)字量輸出模塊(=41-303.02)的E312_13引腳得電，向VCU反饋空壓機(jī)啟動(dòng)；當(dāng)主風(fēng)壓力低于750kPa時(shí)，兩端的DA模塊(=41-303.04)輸出高電平，兩個(gè)單元的空壓機(jī)同時(shí)啟動(dòng)。空壓機(jī)控制Aircompressorcontrol2.Aircompressorcontrolmode

空壓機(jī)控制方式(1)Networkcontrolmode

網(wǎng)絡(luò)控制方式AircompressorAircompressorcontrolAircompressorcontrolAircompressorcontrolopenAircompressorcontactordryer80wAircompressorcontactorAircompressorairswitchAircompressorcontactorAirsupplymoduleDAmoduleDEmoduleAircompressorAircompressorcontactorAircompressorcontactorBattery-MTheaircompressoriscontrolledbythetrainhardwireaccordingtothestateofthepressureswitch.Thecontentofthepressurecontrolincludescompressormanagement,pressurelimitationandpressureadjustment.ThepressureswitchA01.08,withthesetvalueof700~900kPa,isthehard-wiredbackupcontrolcompressorstart.Whenthepressureofthemainairductislowerthan750kPa,thispressureswitchoperatesandtheaircompressorrelays(=34-K301)ofthetwounitsarepoweredon,sothatthetwoaircompressorswouldstartatthesametimetosupplyairtothewholetrain.AndtheDEmodule(=41-303.02)ofthetwounitswithE312_13pinsoftheDEmodule(=41-303.02)ofthetwounitsarepoweredontofeedVCUtostarttheaircompressor.ThepressureswitchA01.09,withthesetvalueof550-700kPa,triggerstheemergencybrakeforthehardline.Whenthetotalwindpressureofthetrainislowerthan550kPa,thepressureswitchoperates,theemergencybraketrainlineispoweredoff,andthetrainimplementstheemergencybrake,andtheemergencybrakewouldresumewhenthetotalwindpressureishigherthan700kPa.由列車硬線根據(jù)壓力開(kāi)關(guān)的狀態(tài)對(duì)空氣壓縮機(jī)進(jìn)行控制，壓力控制的內(nèi)容包括壓縮機(jī)管理、壓力限制、壓力調(diào)整等內(nèi)容。壓力開(kāi)關(guān)A01.08，設(shè)定值為700~900kPa，為硬線后備控制壓縮機(jī)啟動(dòng)，當(dāng)主風(fēng)管壓力低于750kPa時(shí)，該壓力開(kāi)關(guān)動(dòng)作，兩單元的空氣壓縮機(jī)繼電器(=34-K301)得電，使兩臺(tái)空壓機(jī)同時(shí)啟動(dòng)，為全列車供風(fēng)，兩單元的DE模塊(=41-303.02)的E312_13引腳得電，向VCU反饋空壓機(jī)啟動(dòng)；壓力開(kāi)關(guān)A01.09，設(shè)定值為550~700kPa，為硬線觸發(fā)緊急制動(dòng)，當(dāng)列車總風(fēng)壓力低于550kPa，壓力開(kāi)關(guān)動(dòng)作，緊急制動(dòng)列車線失電，列車實(shí)施緊急制動(dòng)，當(dāng)總風(fēng)壓力高于700kPa時(shí)緊急制動(dòng)恢復(fù)。空壓機(jī)控制Aircompressorcontrol(2)Hard-wirecontrolmode

硬線控制方式空壓機(jī)控制Aircompressorcontrol3.Trainoperationmode

列車運(yùn)行方式Innormaloperation,ifthepressureislowerthanthestartlimit,theaircompressoronthedriver’scabwouldstart,andwhenthepressuredropstotheauxiliarylimit,theotheraircompressorwouldbestarted.在正常運(yùn)行中，如果壓力低于啟動(dòng)極限，使用司機(jī)室車輛上的空氣壓縮機(jī)就開(kāi)始啟動(dòng)，當(dāng)壓力下降到輔助極限時(shí)，則第二個(gè)空氣壓縮機(jī)被啟動(dòng)。Ifoneaircompressorencountersafailure,theotheraircompressorcansupplythepressureairfortheentiretraininthenormalmode.如果有一個(gè)空氣壓縮機(jī)出現(xiàn)故障時(shí)，則第二個(gè)空氣壓縮機(jī)在常用模式運(yùn)行下能完全供應(yīng)整個(gè)列車壓力空氣。Iftwoair