一、地鐵屏蔽門系統的組成有哪些
地鐵屏蔽門系(xi)統(tong)由機(ji)械和(he)(he)電氣兩部分(fen)構(gou)成,機(ji)械部分(fen)包(bao)括門(men)體結(jie)構(gou)和(he)(he)門(men)機(ji)系(xi)統(tong),電氣部分(fen)包(bao)括電源系(xi)統(tong)和(he)(he)控(kong)制系(xi)統(tong)。主要構(gou)成部分(fen)有:門(men)體結(jie)構(gou)、門(men)機(ji)系(xi)統(tong)、門(men)機(ji)控(kong)制器(qi)(DCU)、車站級控(kong)制、監視系(xi)統(tong)。屏(ping)蔽(bi)門(men)門(men)體結(jie)構(gou)通常由滑動(dong)門(men)、固定門(men)、應急(ji)門(men)、端頭(tou)門(men)及門(men)機(ji)頂箱、踏步板、上下部連(lian)接結(jie)構(gou)等(deng)構(gou)成。
其中門(men)機(ji)是(shi)由(you)驅動機(ji)構、傳(chuan)動機(ji)構、懸掛機(ji)構、鎖(suo)定解(jie)鎖(suo)機(ji)構組成。電機(ji)在門(men)機(ji)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)器(qi)(DcU)的(de)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)下(xia),通過螺桿或(huo)皮(pi)帶傳(chuan)動來實現滑動門(men)的(de)開關(guan)運動。屏(ping)蔽門(men)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)系統設備由(you)中央控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)盤(PSC)、遠(yuan)程監(jian)視(shi)設備(PSA)、就地控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)盤(PSL)、緊急控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)盤(IBP)、門(men)機(ji)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)器(qi)(DCU)、就地控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)盒(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(de)站臺(tai)級(ji)控制操(cao)作。
2、監視功能
主監(jian)視系(xi)(xi)統(tong)(tong)(MMS)是中央接(jie)口(kou)盤(pan)(PSC)核心部分,完成(cheng)每(mei)(mei)側屏蔽(bi)(bi)門(men)(men)(men)單(dan)(dan)(dan)元(yuan)(yuan)相(xiang)(xiang)關信息(xi)的(de)(de)(de)集成(cheng)。包括收集PSC,PSL,IBP 以(yi)及屏蔽(bi)(bi)門(men)(men)(men)電源的(de)(de)(de)信息(xi),屏蔽(bi)(bi)門(men)(men)(men)故障警報儲存,屏蔽(bi)(bi)門(men)(men)(men)正常系(xi)(xi)統(tong)(tong)運行記錄等。單(dan)(dan)(dan)元(yuan)(yuan)控(kong)(kong)制(zhi)器(PEDC)與主監(jian)視系(xi)(xi)統(tong)(tong)(MMS)之(zhi)間(jian)的(de)(de)(de)監(jian)測(ce)(ce)信號通過可靠的(de)(de)(de)硬線(xian)(xian)來連接(jie),每(mei)(mei)個(ge)(ge)單(dan)(dan)(dan)元(yuan)(yuan)控(kong)(kong)制(zhi)器(PEDC)將為主監(jian)視系(xi)(xi)統(tong)(tong)(MMS)的(de)(de)(de)邏輯輸入模塊(kuai)提供(gong)其操作狀(zhuang)態(邏輯電平信號),由(you)主監(jian)視系(xi)(xi)統(tong)(tong)(MMS)監(jian)測(ce)(ce)屏蔽(bi)(bi)門(men)(men)(men)系(xi)(xi)統(tong)(tong)的(de)(de)(de)基(ji)本操作狀(zhuang)態。門(men)(men)(men)控(kong)(kong)單(dan)(dan)(dan)元(yuan)(yuan)(DCU)與主監(jian)視系(xi)(xi)統(tong)(tong)(MMS)之(zhi)間(jian)的(de)(de)(de)監(jian)視是通過使用通訊網絡(luo)(luo)(現(xian)場總(zong)線(xian)(xian))來實現(xian)的(de)(de)(de)。每(mei)(mei)個(ge)(ge)門(men)(men)(men)控(kong)(kong)單(dan)(dan)(dan)元(yuan)(yuan)(DCU)在(zai)網絡(luo)(luo)上(shang)都有一個(ge)(ge)唯一的(de)(de)(de)地址,工程上(shang),為了便于管(guan)理和標識,每(mei)(mei)個(ge)(ge)門(men)(men)(men)控(kong)(kong)單(dan)(dan)(dan)元(yuan)(yuan)(DCU)的(de)(de)(de)地址可取(qu)決于門(men)(men)(men)控(kong)(kong)單(dan)(dan)(dan)元(yuan)(yuan)(DCU)在(zai)站臺(tai)上(shang)的(de)(de)(de)位置(上(shang)/下行線(xian)(xian)、門(men)(men)(men)單(dan)(dan)(dan)元(yuan)(yuan)號)。由(you)主監(jian)視系(xi)(xi)統(tong)(tong)(MMS)監(jian)測(ce)(ce)門(men)(men)(men)控(kong)(kong)單(dan)(dan)(dan)元(yuan)(yuan)(DCU)的(de)(de)(de)相(xiang)(xiang)關狀(zhuang)態信息(xi)。