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(ji)械(xie)和(he)(he)電(dian)(dian)氣(qi)兩部(bu)(bu)分構(gou)(gou)成,機(ji)械(xie)部(bu)(bu)分包括(kuo)門體(ti)結(jie)構(gou)(gou)和(he)(he)門機(ji)系(xi)統(tong)(tong),電(dian)(dian)氣(qi)部(bu)(bu)分包括(kuo)電(dian)(dian)源系(xi)統(tong)(tong)和(he)(he)控制系(xi)統(tong)(tong)。主要構(gou)(gou)成部(bu)(bu)分有:門體(ti)結(jie)構(gou)(gou)、門機(ji)系(xi)統(tong)(tong)、門機(ji)控制器(DCU)、車站級(ji)控制、監視(shi)系(xi)統(tong)(tong)。屏(ping)蔽門門體(ti)結(jie)構(gou)(gou)通常由滑(hua)動門、固定門、應(ying)急門、端頭門及門機(ji)頂(ding)箱(xiang)、踏步板(ban)、上下部(bu)(bu)連接(jie)結(jie)構(gou)(gou)等構(gou)(gou)成。
其中(zhong)門(men)機(ji)(ji)是由驅動(dong)(dong)(dong)機(ji)(ji)構(gou)、傳動(dong)(dong)(dong)機(ji)(ji)構(gou)、懸掛機(ji)(ji)構(gou)、鎖定(ding)解鎖機(ji)(ji)構(gou)組成(cheng)。電機(ji)(ji)在門(men)機(ji)(ji)控制(zhi)器(DcU)的控制(zhi)下,通過(guo)螺桿(gan)或(huo)皮帶傳動(dong)(dong)(dong)來實現(xian)滑(hua)動(dong)(dong)(dong)門(men)的開關運動(dong)(dong)(dong)。屏蔽門(men)控制(zhi)系統設(she)(she)備由中(zhong)央控制(zhi)盤(PSC)、遠程監視設(she)(she)備(PSA)、就(jiu)地(di)控制(zhi)盤(PSL)、緊急控制(zhi)盤(IBP)、門(men)機(ji)(ji)控制(zhi)器(DCU)、就(jiu)地(di)控制(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。
2、監視功能
主(zhu)(zhu)(zhu)監(jian)視(shi)系(xi)(xi)統(tong)(tong)(MMS)是中(zhong)央接口(kou)盤(PSC)核心部分(fen),完(wan)成(cheng)每側(ce)屏(ping)蔽門(men)單(dan)(dan)元(yuan)(yuan)相關信息(xi)(xi)的(de)(de)(de)(de)集(ji)成(cheng)。包括收集(ji)PSC,PSL,IBP 以(yi)及(ji)屏(ping)蔽門(men)電源(yuan)的(de)(de)(de)(de)信息(xi)(xi),屏(ping)蔽門(men)故障警報儲(chu)存,屏(ping)蔽門(men)正常系(xi)(xi)統(tong)(tong)運行(xing)記錄(lu)等。單(dan)(dan)元(yuan)(yuan)控(kong)(kong)制(zhi)(zhi)器(PEDC)與主(zhu)(zhu)(zhu)監(jian)視(shi)系(xi)(xi)統(tong)(tong)(MMS)之間的(de)(de)(de)(de)監(jian)測信號通過可(ke)靠的(de)(de)(de)(de)硬(ying)線來連(lian)接,每個(ge)單(dan)(dan)元(yuan)(yuan)控(kong)(kong)制(zhi)(zhi)器(PEDC)將為(wei)主(zhu)(zhu)(zhu)監(jian)視(shi)系(xi)(xi)統(tong)(tong)(MMS)的(de)(de)(de)(de)邏(luo)輯輸(shu)入模塊提供其操作狀(zhuang)態(邏(luo)輯電平信號),由主(zhu)(zhu)(zhu)監(jian)視(shi)系(xi)(xi)統(tong)(tong)(MMS)監(jian)測屏(ping)蔽門(men)系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)基本(ben)操作狀(zhuang)態。門(men)控(kong)(kong)單(dan)(dan)元(yuan)(yuan)(DCU)與主(zhu)(zhu)(zhu)監(jian)視(shi)系(xi)(xi)統(tong)(tong)(MMS)之間的(de)(de)(de)(de)監(jian)視(shi)是通過使用通訊網(wang)絡(現(xian)場總(zong)線)來實現(xian)的(de)(de)(de)(de)。每個(ge)門(men)控(kong)(kong)單(dan)(dan)元(yuan)(yuan)(DCU)在網(wang)絡上(shang)(shang)都有一(yi)個(ge)唯一(yi)的(de)(de)(de)(de)地(di)址,工程上(shang)(shang),為(wei)了便于管理(li)和標識(shi),每個(ge)門(men)控(kong)(kong)單(dan)(dan)元(yuan)(yuan)(DCU)的(de)(de)(de)(de)地(di)址可(ke)取決(jue)于門(men)控(kong)(kong)單(dan)(dan)元(yuan)(yuan)(DCU)在站臺上(shang)(shang)的(de)(de)(de)(de)位置(上(shang)(shang)/下行(xing)線、門(men)單(dan)(dan)元(yuan)(yuan)號)。由主(zhu)(zhu)(zhu)監(jian)視(shi)系(xi)(xi)統(tong)(tong)(MMS)監(jian)測門(men)控(kong)(kong)單(dan)(dan)元(yuan)(yuan)(DCU)的(de)(de)(de)(de)相關狀(zhuang)態信息(xi)(xi)。