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閉環(huan)制冷機制冷時并不從外部(bu)引進(jin)空氣,這(zhe)樣(yang)可以避免對內部(bu)組(zu)件(jian)的污(wu)染(ran)危害。制冷機通(tong)過內部(bu)的蒸發器帶走控制柜內的熱(re)量(liang),再通(tong)過冷凝(ning)器的出氣口(kou)將(jiang)熱(re)量(liang)開(kai)釋。
制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)機(ji)可以在控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)柜內(nei)所(suo)答(da)應的(de)(de)(de)最高(gao)氣(qi)溫(wen)必(bi)須保持(chi)低于(yu)外部環境溫(wen)度(du)(du)時使(shi)用,使(shi)用制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)機(ji)的(de)(de)(de)的(de)(de)(de)另(ling)一(yi)個(ge)(ge)原因是制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)機(ji)的(de)(de)(de)外部尺寸小于(yu)相同功率的(de)(de)(de)熱(re)交(jiao)換器(qi)。在很(hen)高(gao)的(de)(de)(de)溫(wen)度(du)(du)下,或者(zhe)熱(re)負(fu)載要求很(hen)高(gao)的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)量時通常(chang)也使(shi)用制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)機(ji)。盡管同非(fei)定制(zhi)(zhi)(zhi)(zhi)(zhi)空調(diao)系統(tong)很(hen)相似(si),這些(xie)專門設計的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)系統(tong)還是有些(xie)細微的(de)(de)(de)差別,為(wei)了(le)(le)避(bi)免控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)柜內(nei)的(de)(de)(de)組件受到熱(re)負(fu)荷的(de)(de)(de)沖擊,通常(chang)會使(shi)用比非(fei)定制(zhi)(zhi)(zhi)(zhi)(zhi)空調(diao)系統(tong)高(gao)的(de)(de)(de)蒸發器(qi)溫(wen)度(du)(du),另(ling)一(yi)個(ge)(ge)非(fei)標準化的(de)(de)(de)特性是監測(ce)和報告驅動程序,它能保證位于(yu)遠真(zhen)個(ge)(ge)工作(zuo)職(zhi)員能獲得熱(re)治理(li)系統(tong)的(de)(de)(de)運行信(xin)息以及了(le)(le)解控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)柜內(nei)的(de)(de)(de)運行狀態(tai)。雷(lei)子克公司的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)機(ji)設計為(wei)可以運行在高(gao)于(yu)55℃環境溫(wen)度(du)(du)中(例如熱(re)帶國家)
盡管蒸發器能往除一些濕(shi)氣(qi),但假(jia)如在維護時(shi)控(kong)制(zhi)(zhi)(zhi)柜(ju)被打開,要控(kong)制(zhi)(zhi)(zhi)控(kong)制(zhi)(zhi)(zhi)柜(ju)內(nei)的(de)濕(shi)氣(qi)不是(shi)輕易的(de)。控(kong)制(zhi)(zhi)(zhi)柜(ju)內(nei)沒有(you)外(wai)部環(huan)境空氣(qi)的(de)滲透,當控(kong)制(zhi)(zhi)(zhi)柜(ju)內(nei)的(de)溫度(du)升高時(shi),通(tong)常濕(shi)度(du)也相對較(jiao)低(di)。閉環(huan)制(zhi)(zhi)(zhi)冷機可以很安(an)全地安(an)裝于控(kong)制(zhi)(zhi)(zhi)柜(ju),大連(lian)控(kong)制(zhi)(zhi)(zhi)柜(ju)的(de)防水和防塵(chen)率必須穩定。
①精選(xuan)s7-300plc及優質標準柜體,精心設計,精工制作,設備(bei)品質卓越。 ②在(zai)(zai)(zai)電(dian)(dian)(dian)網(wang)電(dian)(dian)(dian)壓(ya)不穩(wen)定時,快(kuai)(kuai)速穩(wen)定輸(shu)(shu)出(chu)(chu)電(dian)(dian)(dian)壓(ya);在(zai)(zai)(zai)電(dian)(dian)(dian)流突變(bian)(bian)(bian)情(qing)況(kuang)下(xia),快(kuai)(kuai)速控(kong)制變(bian)(bian)(bian)頻(pin)器輸(shu)(shu)出(chu)(chu)電(dian)(dian)(dian)流,自動(dong)穩(wen)壓(ya)、限流: ③控(kong)制柜通(tong)(tong)過(guo)對(dui)(dui)負載檢測,合(he)理的(de)(de)調(diao)整變(bian)(bian)(bian)頻(pin)器輸(shu)(shu)出(chu)(chu)電(dian)(dian)(dian)壓(ya),從而(er)提高變(bian)(bian)(bian)頻(pin)器的(de)(de)運行(xing)效率(lv)。可(ke)與(yu)傳統的(de)(de)降(jiang)低(di)頻(pin)率(lv)方法(fa)組(zu)合(he)使(shi)用,獲得更高的(de)(de)節能效果。 ④功(gong)能多(duo)(duo)樣:從一控(kong)一至一控(kong)多(duo)(duo)臺,主、備(bei)電(dian)(dian)(dian)機任(ren)意(yi)選(xuan)擇組(zu)合(he),多(duo)(duo)種起動(dong)方式,各類控(kong)制形式。 ⑤靈(ling)活、多(duo)(duo)樣的(de)(de)模擬輸(shu)(shu)入、輸(shu)(shu)出(chu)(chu):變(bian)(bian)(bian)頻(pin)器提供幅度(du)可(ke)調(diao)的(de)(de)三路模擬信(xin)號(hao)輸(shu)(shu)入通(tong)(tong)道,和(he)兩路模擬信(xin)號(hao)輸(shu)(shu)出(chu)(chu)通(tong)(tong)道。用戶可(ke)根據要(yao)求選(xuan)擇電(dian)(dian)(dian)流、電(dian)(dian)(dian)壓(ya)信(xin)號(hao)控(kong)制,或向其他設備(bei)輸(shu)(shu)出(chu)(chu)電(dian)(dian)(dian)流、電(dian)(dian)(dian)壓(ya)信(xin)號(hao)。 ⑥過(guo)流、過(guo)載、過(guo)壓(ya)、輸(shu)(shu)出(chu)(chu)短路等多(duo)(duo)重保(bao)護(hu)功(gong)能,在(zai)(zai)(zai)故障(zhang)情(qing)況(kuang)下(xia)對(dui)(dui)變(bian)(bian)(bian)頻(pin)器和(he)電(dian)(dian)(dian)機實(shi)施快(kuai)(kuai)速、有(you)效的(de)(de)保(bao)護(hu)。在(zai)(zai)(zai)非故障(zhang)情(qing)況(kuang)下(xia),保(bao)障(zhang)系(xi)統的(de)(de)穩(wen)定、持續(xu)運行(xing)。 ⑦通(tong)(tong)過(guo)操(cao)作面板,可(ke)實(shi)現所有(you)參數的(de)(de)拷貝和(he)復制,面板本身可(ke)作為移動(dong)的(de)(de)存儲介質。