描(miao)述(shu):DDH低電(dian)壓(ya)溫(wen)控(kong)櫃(gui):輸(shu)入(ru)電壓(ya)380V三(san)相(xiang)四(si)線,大功率變壓(ya)器低電(dian)壓(ya)輸(shu)出(chu)36V、60V。控(kong)制(zhi)部(bu)分:根(gen)據用(yong)戶(hu)要(yao)求,選擇(ze)DWK、ZWK或LWK系(xi)列(lie)相(xiang)匹(pi)配即(ji)可,是(shi)理想(xiang)的(de)安全(quan)型現場(chang)施(shi)工(gong)設(she)備
儀表(biao)智能溫控(kong)櫃(gui)的(de)主(zhu)要(yao)組(zu)成(cheng)部(bu)分分為監控(kong)回(hui)路(lu),執(zhi)行(xing)控(kong)制(zhi)單元以及操作(zuo)單(dan)元三部(bu)分組成,具體(ti)說明見下(xia): 1) 監(jian)控(kong)單(dan)元分,顯(xian)示(shi)回(hui)路(lu)與(yu)控(kong)制(zhi)故障輸出(chu)兩部(bu)分組成,監回(hui)路(lu)由三相(xiang)電流(liu),電壓(ya)表(biao)顯(xian)示(shi),現場(chang)溫(wen)度(du)與(yu)設(she)定(ding)溫(wen)度顯(xian)示(shi),軟(ruan)啟(qi)動(dong)停機、手動(dong)/自(zi)動(dong)切換(huan)控(kong)制(zhi)、最大輸出(chu)限制(zhi)功能、過電(dian)流(liu)保(bao)護等(deng)幾(ji)部(bu)分組成,當監(jian)測儀器儀表(biao)檢(jian)測(ce)到(dao)故障時將輸出(chu)故障(zhang)接點(dian)信號(hao)到(dao)加熱回(hui)路(lu)中,停止加熱系統的(de)運(yun)行,並伴有故(gu)障指示(shi)/聲(sheng)光報(bao)警,進(jin)壹步(bu)保(bao)護加(jia)熱(re)元件(jian);
2) 執(zhi)行(xing)控(kong)制(zhi)單元主要(yao)分為主電路(lu)開(kai)關(guan),調(tiao)壓(ya)機構(gou)和(he)限流(liu)熔斷(duan)回(hui)路(lu)三(san)部(bu)分主成。主電(dian)路(lu)開(kai)關(guan)可以根(gen)據電(dian)流(liu)和保(bao)護功能的不(bu)同正(zheng)常選(xuan)用(yong),目的(de)是(shi)控(kong)制(zhi)加熱的功率電流(liu),起到(dao)通(tong)斷(duan)加(jia)熱(re)的(de)作(zuo)用。調(tiao)壓(ya)執行單(dan)元分為接觸(chu)器(qi)位(wei)式(shi)控(kong)制(zhi),固(gu)態繼(ji)電器調(tiao)壓(ya)控(kong)制(zhi)以及可控(kong)矽(gui)連(lian)續(xu)可調(tiao)控(kong)制(zhi)三種類(lei)型,具體(ti)的選用根(gen)據現場(chang)加(jia)熱(re)介質(zhi)和(he)控(kong)制(zhi)要(yao)求決定(ding),他(ta)們(men)之(zhi)間的區別與(yu)正(zheng)確選(xuan)用(yong)可與(yu)我公司電器工(gong)程(cheng)師(shi)聯系指導。
3) 操作單(dan)元主要(yao)是(shi)加(jia)熱(re)的(de)啟動(dong),停止,急停,超(chao)溫(wen)故(gu)障復(fu)位(wei),以(yi)及(ji)溫(wen)度調(tiao)節(jie)設(she)定(ding)等(deng)部(bu)分組成,該部(bu)分的具體(ti)要(yao)求可以(yi)根(gen)據用(yong)戶(hu)要(yao)求來(lai)正(zheng)常設(she)計(ji);
4) 另(ling)外溫(wen)度儀表(biao)配電(dian)櫃(gui)可(ke)以(yi)根(gen)據安裝區(qu)域分為戶(hu)外(wai),戶(hu)內,防爆(bao)與(yu)非防爆(bao)形(xing)式(shi);