一、地鐵屏蔽門系統的組成有哪些
地鐵屏蔽門系(xi)統(tong)(tong)由機械(xie)和(he)電(dian)氣兩部(bu)分(fen)構成,機械(xie)部(bu)分(fen)包(bao)括(kuo)門(men)(men)體結構和(he)門(men)(men)機系(xi)統(tong)(tong),電(dian)氣部(bu)分(fen)包(bao)括(kuo)電(dian)源(yuan)系(xi)統(tong)(tong)和(he)控(kong)(kong)制系(xi)統(tong)(tong)。主要構成部(bu)分(fen)有:門(men)(men)體結構、門(men)(men)機系(xi)統(tong)(tong)、門(men)(men)機控(kong)(kong)制器(DCU)、車站級控(kong)(kong)制、監視系(xi)統(tong)(tong)。屏蔽門(men)(men)門(men)(men)體結構通常由滑動(dong)門(men)(men)、固定門(men)(men)、應急(ji)門(men)(men)、端(duan)頭門(men)(men)及(ji)門(men)(men)機頂箱、踏步板、上下部(bu)連接結構等構成。
其中門機(ji)(ji)是由驅動(dong)(dong)機(ji)(ji)構(gou)、傳動(dong)(dong)機(ji)(ji)構(gou)、懸掛機(ji)(ji)構(gou)、鎖(suo)定解鎖(suo)機(ji)(ji)構(gou)組成。電機(ji)(ji)在門機(ji)(ji)控(kong)(kong)制(zhi)器(DcU)的(de)控(kong)(kong)制(zhi)下,通過螺(luo)桿或皮(pi)帶傳動(dong)(dong)來實現滑動(dong)(dong)門的(de)開關運動(dong)(dong)。屏蔽門控(kong)(kong)制(zhi)系統(tong)設備由中央控(kong)(kong)制(zhi)盤(PSC)、遠程監視設備(PSA)、就地控(kong)(kong)制(zhi)盤(PSL)、緊急控(kong)(kong)制(zhi)盤(IBP)、門機(ji)(ji)控(kong)(kong)制(zhi)器(DCU)、就地控(kong)(kong)制(zhi)盒(he)(LCB)組成。
二、地鐵屏蔽門主要有哪些作用
1、系統控制功能
系統級控制是在地鐵屏蔽門正常運行模式下由信號系統(SIG)直接對屏蔽門進行控制的方式。在系統級控制方式下,列車到站并停在允許的誤差范圍內時(如:±300mm),信號系統向屏蔽門每側單元控制器(PEDC)發送“長/短車開/關門”命令,單元控制器(PEDC)通過門控單元(DCU)對每扇滑動門進行實時控制,實現屏蔽門的系統級控制操作。單元控制器(PEDC)與門控單元(DCU)通過可靠的硬線連接。站臺級控制是由列車駕駛員或站務人員在站臺的就地控制盤(PSL)上對屏蔽門進行“開/關門”的控制方式。當系統級控制不能正常實現時,列車駕駛員或站務人員可在就地控制盤(PSL)上通過“專用鑰匙”及”開/關門按鈕”對屏蔽門進行“開/關門”操作,實現屏蔽門的站臺級控制操作。
2、監視功能
主監(jian)(jian)(jian)(jian)視(shi)系統(tong)(MMS)是(shi)中央接口(kou)盤(PSC)核(he)心部分,完成(cheng)每(mei)(mei)側屏(ping)蔽(bi)門(men)(men)單(dan)元(yuan)相關信(xin)(xin)息的(de)(de)集(ji)成(cheng)。包括收集(ji)PSC,PSL,IBP 以(yi)及(ji)屏(ping)蔽(bi)門(men)(men)電(dian)源的(de)(de)信(xin)(xin)息,屏(ping)蔽(bi)門(men)(men)故障警(jing)報儲存(cun),屏(ping)蔽(bi)門(men)(men)正(zheng)常(chang)系統(tong)運(yun)行(xing)記錄等。單(dan)元(yuan)控(kong)制器(PEDC)與(yu)主監(jian)(jian)(jian)(jian)視(shi)系統(tong)(MMS)之(zhi)間的(de)(de)監(jian)(jian)(jian)(jian)測(ce)信(xin)(xin)號通過可(ke)(ke)靠的(de)(de)硬線來(lai)連接,每(mei)(mei)個單(dan)元(yuan)控(kong)制器(PEDC)將為(wei)主監(jian)(jian)(jian)(jian)視(shi)系統(tong)(MMS)的(de)(de)邏輯輸入模塊(kuai)提供(gong)其(qi)操作(zuo)狀(zhuang)態(tai)(邏輯電(dian)平信(xin)(xin)號),由主監(jian)(jian)(jian)(jian)視(shi)系統(tong)(MMS)監(jian)(jian)(jian)(jian)測(ce)屏(ping)蔽(bi)門(men)(men)系統(tong)的(de)(de)基本操作(zuo)狀(zhuang)態(tai)。門(men)(men)控(kong)單(dan)元(yuan)(DCU)與(yu)主監(jian)(jian)(jian)(jian)視(shi)系統(tong)(MMS)之(zhi)間的(de)(de)監(jian)(jian)(jian)(jian)視(shi)是(shi)通過使用通訊網(wang)絡(luo)(luo)(現場總線)來(lai)實現的(de)(de)。每(mei)(mei)個門(men)(men)控(kong)單(dan)元(yuan)(DCU)在(zai)網(wang)絡(luo)(luo)上(shang)(shang)(shang)都有一個唯一的(de)(de)地址,工程上(shang)(shang)(shang),為(wei)了便于管(guan)理和標識,每(mei)(mei)個門(men)(men)控(kong)單(dan)元(yuan)(DCU)的(de)(de)地址可(ke)(ke)取決(jue)于門(men)(men)控(kong)單(dan)元(yuan)(DCU)在(zai)站臺上(shang)(shang)(shang)的(de)(de)位置(zhi)(上(shang)(shang)(shang)/下行(xing)線、門(men)(men)單(dan)元(yuan)號)。由主監(jian)(jian)(jian)(jian)視(shi)系統(tong)(MMS)監(jian)(jian)(jian)(jian)測(ce)門(men)(men)控(kong)單(dan)元(yuan)(DCU)的(de)(de)相關狀(zhuang)態(tai)信(xin)(xin)息。