煤(mei)炭(tan)是我們獲(huo)取能源的(de)主要(yao)途(tu)徑(jing)之(zhi)一(yi)，而煤(mei)炭(tan)生(sheng)(sheng)(sheng)產(chan)環境(jing)惡(e)劣復(fu)雜，常有安(an)(an)全(quan)事(shi)故發生(sheng)(sheng)(sheng)，影響著作(zuo)業人員的(de)人身安(an)(an)全(quan)和(he)(he)經濟效益，煤(mei)炭(tan)生(sheng)(sheng)(sheng)產(chan)安(an)(an)全(quan)性(xing)問題一(yi)直備(bei)受關注。為(wei)了提高煤(mei)炭(tan)生(sheng)(sheng)(sheng)產(chan)的(de)安(an)(an)全(quan)性(xing)和(he)(he)可(ke)靠性(xing)，先(xian)進的(de)自(zi)(zi)動化(hua)(hua)技(ji)術和(he)(he)設(she)備(bei)不斷被(bei)廣(guang)泛應用(yong)于煤(mei)炭(tan)生(sheng)(sheng)(sheng)產(chan)過程(cheng)之(zhi)中(zhong)，其中(zhong)就包含可(ke)編程(cheng)的(de)控制(zhi)器PLC被(bei)廣(guang)泛應用(yong)于煤(mei)礦自(zi)(zi)動化(hua)(hua)控制(zhi)系統之(zhi)中(zhong)，是煤(mei)礦行業自(zi)(zi)動化(hua)(hua)進程(cheng)中(zhong)不可(ke)缺少(shao)的(de)設(she)備(bei)。

礦用可編程控制器是(shi)可應用于煤(mei)礦(kuang)井下惡劣環境(jing)中(zhong)(zhong)的可編程控(kong)制器(qi)，是(shi)一種(zhong)新型的通用自動(dong)化控(kong)制技(ji)術，將傳統的繼電(dian)器(qi)控(kong)制技(ji)術、通信技(ji)術、計算機技(ji)術相結合，在(zai)煤(mei)礦(kuang)工業自動(dong)化控(kong)制系統中(zhong)(zhong)得(de)到廣泛應用。隨著(zhu)煤(mei)礦(kuang)生產(chan)(chan)和(he)安全設(she)備、系統的不(bu)斷完善，礦(kuang)用可編程控(kong)制器(qi)在(zai)煤(mei)礦(kuang)電(dian)氣自動(dong)化過程中(zhong)(zhong)的應用越來越多，在(zai)煤(mei)礦(kuang)生產(chan)(chan)和(he)安全建設(she)中(zhong)(zhong)起到了非常重要的作用。

（1）在煤炭輸送系統中的應用

將礦用(yong)可(ke)(ke)編(bian)程(cheng)看控(kong)(kong)制(zhi)器(qi)(qi)應用(yong)于煤(mei)(mei)(mei)炭(tan)輸(shu)(shu)(shu)(shu)送(song)(song)(song)系(xi)統(tong)中(zhong)，能(neng)夠實現(xian)針對煤(mei)(mei)(mei)炭(tan)輸(shu)(shu)(shu)(shu)送(song)(song)(song)系(xi)統(tong)的(de)(de)自動(dong)化(hua)(hua)控(kong)(kong)制(zhi)和(he)保護(hu)。膠(jiao)帶輸(shu)(shu)(shu)(shu)送(song)(song)(song)機(ji)是煤(mei)(mei)(mei)炭(tan)輸(shu)(shu)(shu)(shu)送(song)(song)(song)的(de)(de)主要設備，管理困難，利(li)用(yong)人工(gong)監(jian)測(ce)管理，難度大、成本高、安(an)全性(xing)(xing)低(di)。利(li)用(yong)煤(mei)(mei)(mei)炭(tan)輸(shu)(shu)(shu)(shu)送(song)(song)(song)機(ji)控(kong)(kong)制(zhi)保護(hu)系(xi)統(tong)可(ke)(ke)實現(xian)煤(mei)(mei)(mei)炭(tan)輸(shu)(shu)(shu)(shu)送(song)(song)(song)系(xi)統(tong)的(de)(de)自動(dong)化(hua)(hua)監(jian)測(ce)和(he)控(kong)(kong)制(zhi)、保護(hu)，提高輸(shu)(shu)(shu)(shu)送(song)(song)(song)系(xi)統(tong)的(de)(de)穩定性(xing)(xing)、安(an)全性(xing)(xing)。礦用(yong)可(ke)(ke)編(bian)程(cheng)控(kong)(kong)制(zhi)器(qi)(qi)可(ke)(ke)接收傳感器(qi)(qi)信號(hao)，根據輸(shu)(shu)(shu)(shu)送(song)(song)(song)機(ji)狀態參數進行邏輯判斷，自動(dong)完成自動(dong)控(kong)(kong)制(zhi)操作，如啟停、煙霧報警、啟動(dong)灑水裝置等，避免輸(shu)(shu)(shu)(shu)送(song)(song)(song)系(xi)統(tong)安(an)全事故。

（2）在煤礦井下自動排水系統中的應用

將礦(kuang)(kuang)用(yong)可編程控(kong)制器應(ying)用(yong)于煤礦(kuang)(kuang)井(jing)(jing)下(xia)自(zi)動(dong)(dong)化排(pai)水(shui)(shui)(shui)系統中，將PLC控(kong)制系統與PC監(jian)控(kong)設備相結(jie)合(he)，實(shi)現煤礦(kuang)(kuang)井(jing)(jing)下(xia)排(pai)水(shui)(shui)(shui)設備的(de)實(shi)時(shi)監(jian)測(ce)(ce)和(he)煤礦(kuang)(kuang)井(jing)(jing)下(xia)排(pai)水(shui)(shui)(shui)系統的(de)自(zi)動(dong)(dong)運(yun)行，提(ti)高(gao)整(zheng)個排(pai)水(shui)(shui)(shui)系統的(de)安(an)全(quan)性、可靠性，而(er)且可以優(you)化水(shui)(shui)(shui)泵(beng)(beng)(beng)調度，提(ti)高(gao)水(shui)(shui)(shui)泵(beng)(beng)(beng)運(yun)行效率。自(zi)動(dong)(dong)排(pai)水(shui)(shui)(shui)系統具有故障(zhang)監(jian)測(ce)(ce)和(he)保(bao)護(hu)功能，包括過流、過壓等保(bao)護(hu)，實(shi)時(shi)采集水(shui)(shui)(shui)泵(beng)(beng)(beng)運(yun)行實(shi)況，自(zi)動(dong)(dong)記錄(lu)數(shu)(shu)據和(he)故障(zhang)異常信(xin)息(xi)等，自(zi)動(dong)(dong)啟(qi)動(dong)(dong)或停止水(shui)(shui)(shui)泵(beng)(beng)(beng)，達到保(bao)護(hu)水(shui)(shui)(shui)泵(beng)(beng)(beng)的(de)目的(de)。根據水(shui)(shui)(shui)泵(beng)(beng)(beng)運(yun)行時(shi)間、水(shui)(shui)(shui)倉(cang)水(shui)(shui)(shui)位等數(shu)(shu)據，啟(qi)動(dong)(dong)水(shui)(shui)(shui)泵(beng)(beng)(beng)，或者啟(qi)動(dong)(dong)備用(yong)水(shui)(shui)(shui)泵(beng)(beng)(beng)，達到水(shui)(shui)(shui)泵(beng)(beng)(beng)經(jing)濟高(gao)效運(yun)行的(de)目的(de)，避(bi)免某一水(shui)(shui)(shui)泵(beng)(beng)(beng)過度運(yun)行。

（3）在煤礦井下交通系統中的應用

煤(mei)礦(kuang)井(jing)(jing)(jing)下(xia)巷(xiang)道(dao)眾多，不(bu)少有(you)(you)(you)道(dao)口，會設置有(you)(you)(you)交通燈，交通燈控(kong)(kong)(kong)制同樣離不(bu)開(kai)礦(kuang)用可編程控(kong)(kong)(kong)制器，它主要用于交通燈的控(kong)(kong)(kong)制和管理(li)。通過外部的監測信號送給PLC，PLC通過信號判斷，智能地控(kong)(kong)(kong)制井(jing)(jing)(jing)下(xia)路(lu)口的交通燈，同時具有(you)(you)(you)降塵功能，可作為井(jing)(jing)(jing)下(xia)道(dao)路(lu)交通的自動(dong)化管理(li)控(kong)(kong)(kong)制核心(xin)。

隨著煤礦電氣自動化(hua)的(de)(de)(de)迅速發展(zhan)，作為一種新型的(de)(de)(de)自動化(hua)控制(zhi)裝(zhuang)置，礦用(yong)可編程(cheng)控制(zhi)器被廣泛(fan)應用(yong)于煤礦工業自動化(hua)控制(zhi)系統之(zhi)中，提高(gao)煤礦自動化(hua)水平、設(she)備的(de)(de)(de)運行效(xiao)率(lv)，而(er)且降(jiang)低(di)成(cheng)本(ben)、節約能耗，提高(gao)煤炭生產的(de)(de)(de)效(xiao)率(lv)和安全性。