大(da)連潤田(tian)電氣自動化有限(xian)公(gong)司
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閉(bi)環制冷(leng)機制冷(leng)時(shi)并不從(cong)外部(bu)引(yin)進空(kong)氣,這(zhe)樣可以避免對內(nei)部(bu)組件的污染危害。制冷(leng)機通過內(nei)部(bu)的蒸發(fa)器帶走控制柜(ju)內(nei)的熱量,再通過冷(leng)凝器的出氣口將熱量開釋。
制(zhi)(zhi)冷(leng)(leng)機(ji)可以在控制(zhi)(zhi)柜內所答應的(de)(de)(de)(de)最高(gao)氣(qi)溫(wen)(wen)必須保(bao)持低于外部環境(jing)溫(wen)(wen)度(du)(du)時使用(yong),使用(yong)制(zhi)(zhi)冷(leng)(leng)機(ji)的(de)(de)(de)(de)的(de)(de)(de)(de)另(ling)一個原因是(shi)制(zhi)(zhi)冷(leng)(leng)機(ji)的(de)(de)(de)(de)外部尺寸小于相(xiang)同功率的(de)(de)(de)(de)熱(re)(re)交(jiao)換器(qi)。在很(hen)高(gao)的(de)(de)(de)(de)溫(wen)(wen)度(du)(du)下,或者熱(re)(re)負載要求很(hen)高(gao)的(de)(de)(de)(de)制(zhi)(zhi)冷(leng)(leng)量(liang)時通常也使用(yong)制(zhi)(zhi)冷(leng)(leng)機(ji)。盡管(guan)同非(fei)定制(zhi)(zhi)空(kong)調系(xi)統(tong)很(hen)相(xiang)似,這(zhe)些(xie)專門設(she)計的(de)(de)(de)(de)制(zhi)(zhi)冷(leng)(leng)系(xi)統(tong)還是(shi)有些(xie)細微的(de)(de)(de)(de)差別,為了避免控制(zhi)(zhi)柜內的(de)(de)(de)(de)組件受(shou)到(dao)熱(re)(re)負荷的(de)(de)(de)(de)沖擊,通常會使用(yong)比非(fei)定制(zhi)(zhi)空(kong)調系(xi)統(tong)高(gao)的(de)(de)(de)(de)蒸(zheng)發(fa)器(qi)溫(wen)(wen)度(du)(du),另(ling)一個非(fei)標準(zhun)化的(de)(de)(de)(de)特性是(shi)監測和報告驅動程序,它(ta)能保(bao)證位(wei)于遠真個工作職員能獲得熱(re)(re)治(zhi)理系(xi)統(tong)的(de)(de)(de)(de)運行(xing)信息以及了解(jie)控制(zhi)(zhi)柜內的(de)(de)(de)(de)運行(xing)狀態(tai)。雷子克公(gong)司的(de)(de)(de)(de)制(zhi)(zhi)冷(leng)(leng)機(ji)設(she)計為可以運行(xing)在高(gao)于55℃環境(jing)溫(wen)(wen)度(du)(du)中(例如熱(re)(re)帶國家(jia))
盡(jin)管蒸(zheng)發器(qi)能往除一些(xie)濕(shi)氣(qi),但(dan)假如在維(wei)護時控(kong)制柜被打開,要控(kong)制控(kong)制柜內的(de)濕(shi)氣(qi)不是輕易的(de)。控(kong)制柜內沒(mei)有外部環境空氣(qi)的(de)滲(shen)透,當控(kong)制柜內的(de)溫度升高時,通常濕(shi)度也相對(dui)較低。閉環制冷機可(ke)以很(hen)安全地安裝于控(kong)制柜,大連(lian)控(kong)制柜的(de)防水和防塵率必(bi)須穩定。
①精(jing)選s7-300plc及優質標準柜體(ti),精(jing)心設計,精(jing)工制(zhi)(zhi)作,設備(bei)(bei)(bei)品質卓越。 ②在(zai)(zai)電(dian)網電(dian)壓(ya)不(bu)穩(wen)(wen)定時,快速(su)穩(wen)(wen)定輸(shu)(shu)(shu)出(chu)(chu)電(dian)壓(ya);在(zai)(zai)電(dian)流突(tu)變(bian)情(qing)況下,快速(su)控(kong)(kong)制(zhi)(zhi)變(bian)頻器(qi)輸(shu)(shu)(shu)出(chu)(chu)電(dian)流,自動(dong)穩(wen)(wen)壓(ya)、限流: ③控(kong)(kong)制(zhi)(zhi)柜通(tong)(tong)(tong)過對(dui)負載檢測(ce),合理的(de)(de)調(diao)整(zheng)變(bian)頻器(qi)輸(shu)(shu)(shu)出(chu)(chu)電(dian)壓(ya),從而提高(gao)變(bian)頻器(qi)的(de)(de)運(yun)行效(xiao)率。可(ke)與傳統(tong)(tong)的(de)(de)降低頻率方(fang)法組(zu)合使用(yong),獲得更(geng)高(gao)的(de)(de)節(jie)能(neng)效(xiao)果。 ④功(gong)能(neng)多(duo)樣(yang)(yang):從一控(kong)(kong)一至一控(kong)(kong)多(duo)臺,主、備(bei)(bei)(bei)電(dian)機任意選擇(ze)(ze)組(zu)合,多(duo)種起動(dong)方(fang)式(shi),各類控(kong)(kong)制(zhi)(zhi)形(xing)式(shi)。 ⑤靈活、多(duo)樣(yang)(yang)的(de)(de)模擬(ni)輸(shu)(shu)(shu)入、輸(shu)(shu)(shu)出(chu)(chu):變(bian)頻器(qi)提供幅度可(ke)調(diao)的(de)(de)三(san)路(lu)模擬(ni)信號(hao)輸(shu)(shu)(shu)入通(tong)(tong)(tong)道,和兩路(lu)模擬(ni)信號(hao)輸(shu)(shu)(shu)出(chu)(chu)通(tong)(tong)(tong)道。用(yong)戶可(ke)根(gen)據(ju)要(yao)求選擇(ze)(ze)電(dian)流、電(dian)壓(ya)信號(hao)控(kong)(kong)制(zhi)(zhi),或向其(qi)他設備(bei)(bei)(bei)輸(shu)(shu)(shu)出(chu)(chu)電(dian)流、電(dian)壓(ya)信號(hao)。 ⑥過流、過載、過壓(ya)、輸(shu)(shu)(shu)出(chu)(chu)短路(lu)等多(duo)重保護功(gong)能(neng),在(zai)(zai)故障情(qing)況下對(dui)變(bian)頻器(qi)和電(dian)機實施(shi)快速(su)、有(you)效(xiao)的(de)(de)保護。在(zai)(zai)非故障情(qing)況下,保障系統(tong)(tong)的(de)(de)穩(wen)(wen)定、持續運(yun)行。 ⑦通(tong)(tong)(tong)過操作面板(ban),可(ke)實現所有(you)參數的(de)(de)拷貝和復制(zhi)(zhi),面板(ban)本身可(ke)作為移動(dong)的(de)(de)存儲介質。