一、地鐵屏蔽門系統的組成有哪些
地鐵屏蔽門系(xi)(xi)統(tong)由機(ji)(ji)械和(he)電氣兩部(bu)(bu)分(fen)(fen)構(gou)(gou)成(cheng),機(ji)(ji)械部(bu)(bu)分(fen)(fen)包括門(men)(men)(men)(men)體(ti)結構(gou)(gou)和(he)門(men)(men)(men)(men)機(ji)(ji)系(xi)(xi)統(tong),電氣部(bu)(bu)分(fen)(fen)包括電源系(xi)(xi)統(tong)和(he)控制系(xi)(xi)統(tong)。主要構(gou)(gou)成(cheng)部(bu)(bu)分(fen)(fen)有:門(men)(men)(men)(men)體(ti)結構(gou)(gou)、門(men)(men)(men)(men)機(ji)(ji)系(xi)(xi)統(tong)、門(men)(men)(men)(men)機(ji)(ji)控制器(qi)(DCU)、車站級(ji)控制、監視系(xi)(xi)統(tong)。屏蔽(bi)門(men)(men)(men)(men)門(men)(men)(men)(men)體(ti)結構(gou)(gou)通(tong)常由滑動門(men)(men)(men)(men)、固(gu)定門(men)(men)(men)(men)、應(ying)急門(men)(men)(men)(men)、端頭門(men)(men)(men)(men)及門(men)(men)(men)(men)機(ji)(ji)頂(ding)箱、踏步板、上下部(bu)(bu)連接結構(gou)(gou)等構(gou)(gou)成(cheng)。
其中(zhong)門(men)機(ji)是由驅動機(ji)構(gou)(gou)、傳(chuan)動機(ji)構(gou)(gou)、懸掛機(ji)構(gou)(gou)、鎖定解鎖機(ji)構(gou)(gou)組成(cheng)。電(dian)機(ji)在門(men)機(ji)控(kong)(kong)制(zhi)(zhi)(zhi)器(DcU)的(de)控(kong)(kong)制(zhi)(zhi)(zhi)下(xia),通過(guo)螺桿或皮帶(dai)傳(chuan)動來實現滑動門(men)的(de)開關(guan)運動。屏蔽門(men)控(kong)(kong)制(zhi)(zhi)(zhi)系統設備由中(zhong)央控(kong)(kong)制(zhi)(zhi)(zhi)盤(pan)(PSC)、遠程監視設備(PSA)、就地控(kong)(kong)制(zhi)(zhi)(zhi)盤(pan)(PSL)、緊急控(kong)(kong)制(zhi)(zhi)(zhi)盤(pan)(IBP)、門(men)機(ji)控(kong)(kong)制(zhi)(zhi)(zhi)器(DCU)、就地控(kong)(kong)制(zhi)(zhi)(zhi)盒(LCB)組成(cheng)。
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(zuo)。
2、監視功能
主(zhu)監(jian)(jian)視(shi)系(xi)(xi)統(tong)(MMS)是(shi)中央接口盤(pan)(PSC)核心部分(fen),完成每(mei)(mei)側屏蔽(bi)門單(dan)元(yuan)(yuan)(yuan)相關信息的(de)(de)(de)集成。包括收集PSC,PSL,IBP 以及屏蔽(bi)門電(dian)源的(de)(de)(de)信息,屏蔽(bi)門故障警(jing)報儲(chu)存,屏蔽(bi)門正常系(xi)(xi)統(tong)運(yun)行記(ji)錄等。單(dan)元(yuan)(yuan)(yuan)控(kong)制(zhi)(zhi)器(qi)(PEDC)與主(zhu)監(jian)(jian)視(shi)系(xi)(xi)統(tong)(MMS)之間的(de)(de)(de)監(jian)(jian)測(ce)(ce)信號(hao)通過可靠的(de)(de)(de)硬(ying)線來連接,每(mei)(mei)個(ge)單(dan)元(yuan)(yuan)(yuan)控(kong)制(zhi)(zhi)器(qi)(PEDC)將(jiang)為主(zhu)監(jian)(jian)視(shi)系(xi)(xi)統(tong)(MMS)的(de)(de)(de)邏(luo)輯輸入模塊提供其(qi)操作(zuo)(zuo)狀(zhuang)(zhuang)態(tai)(邏(luo)輯電(dian)平信號(hao)),由主(zhu)監(jian)(jian)視(shi)系(xi)(xi)統(tong)(MMS)監(jian)(jian)測(ce)(ce)屏蔽(bi)門系(xi)(xi)統(tong)的(de)(de)(de)基(ji)本(ben)操作(zuo)(zuo)狀(zhuang)(zhuang)態(tai)。門控(kong)單(dan)元(yuan)(yuan)(yuan)(DCU)與主(zhu)監(jian)(jian)視(shi)系(xi)(xi)統(tong)(MMS)之間的(de)(de)(de)監(jian)(jian)視(shi)是(shi)通過使用(yong)通訊網(wang)絡(現(xian)場(chang)總線)來實現(xian)的(de)(de)(de)。每(mei)(mei)個(ge)門控(kong)單(dan)元(yuan)(yuan)(yuan)(DCU)在網(wang)絡上(shang)(shang)都(dou)有一(yi)個(ge)唯一(yi)的(de)(de)(de)地址,工(gong)程上(shang)(shang),為了便于管理和(he)標識,每(mei)(mei)個(ge)門控(kong)單(dan)元(yuan)(yuan)(yuan)(DCU)的(de)(de)(de)地址可取(qu)決(jue)于門控(kong)單(dan)元(yuan)(yuan)(yuan)(DCU)在站臺上(shang)(shang)的(de)(de)(de)位(wei)置(上(shang)(shang)/下行線、門單(dan)元(yuan)(yuan)(yuan)號(hao))。由主(zhu)監(jian)(jian)視(shi)系(xi)(xi)統(tong)(MMS)監(jian)(jian)測(ce)(ce)門控(kong)單(dan)元(yuan)(yuan)(yuan)(DCU)的(de)(de)(de)相關狀(zhuang)(zhuang)態(tai)信息。