恒溫(wen)恒濕箱及制冷方式

恒(heng)(heng)溫(wen)恒(heng)(heng)濕(shi)(shi)試(shi)驗箱(xiang)也稱恒(heng)(heng)溫(wen)恒(heng)(heng)濕(shi)(shi)試(shi)驗機(ji)、恒(heng)(heng)溫(wen)恒(heng)(heng)濕(shi)(shi)實(shi)驗箱(xiang)、或恒(heng)(heng)溫(wen)恒(heng)(heng)濕(shi)(shi)箱(xiang)，用(yong)于檢(jian)測材料(liao)在各種(zhong)環境下性能(neng)的設備及試(shi)驗各種(zhong)材料(liao)耐(nai)熱、耐(nai)寒、耐(nai)干、耐(nai)濕(shi)(shi)性能(neng)。適合電子、電器(qi)、通訊、儀表、車輛、塑(su)膠(jiao)制品、金(jin)屬、食(shi)品、化學、建材、醫療(liao)、航天(tian)等制品檢(jian)測質量之用(yong)。

　　制(zhi)(zhi)(zhi)冷(leng)(leng)循(xun)(xun)環均采(cai)用(yong)逆(ni)卡若循(xun)(xun)環，該循(xun)(xun)環由兩個(ge)等溫(wen)過程和兩個(ge)絕熱(re)(re)過程組(zu)成(cheng)(cheng)，整個(ge)過程如下(xia)：制(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)經(jing)壓(ya)縮(suo)機(ji)絕熱(re)(re)壓(ya)縮(suo)到(dao)較高(gao)的(de)(de)壓(ya)力(li)，消耗了功使(shi)(shi)(shi)排(pai)氣溫(wen)度升高(gao)，之(zhi)后(hou)制(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)經(jing)冷(leng)(leng)凝器(qi)等溫(wen)地(di)(di)和四周介質(zhi)進(jin)(jin)行(xing)熱(re)(re)交換將熱(re)(re)量傳(chuan)給四周介質(zhi)。試驗箱的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統(tong)采(cai)用(yong)進(jin)(jin)口(kou)壓(ya)縮(suo)機(ji)所組(zu)成(cheng)(cheng)的(de)(de)復疊(die)式(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統(tong)，該制(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統(tong)具有(you)(you)匹配合理、可靠性(xing)高(gao)、使(shi)(shi)(shi)用(yong)維護方便等優點，后(hou)制(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)經(jing)截流閥絕熱(re)(re)膨脹(zhang)做功，這(zhe)時制(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)溫(wen)度降(jiang)低。后(hou)制(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)通過蒸發器(qi)等溫(wen)地(di)(di)從溫(wen)度較高(gao)的(de)(de)物體吸熱(re)(re)，使(shi)(shi)(shi)被冷(leng)(leng)卻物體溫(wen)度降(jiang)低。此(ci)循(xun)(xun)環周而復始從而達(da)到(dao)降(jiang)溫(wen)之(zhi)目的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統(tong)的(de)(de)設計應用(yong)能(neng)量調(diao)節(jie)技(ji)術，一種行(xing)之(zhi)有(you)(you)效的(de)(de)處理方式(shi)既(ji)能(neng)保(bao)證在制(zhi)(zhi)(zhi)冷(leng)(leng)機(ji)組(zu)正常運行(xing)的(de)(de)情況下(xia)又能(neng)對制(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統(tong)的(de)(de)能(neng)耗及制(zhi)(zhi)(zhi)冷(leng)(leng)量進(jin)(jin)行(xing)有(you)(you)效的(de)(de)調(diao)節(jie)，使(shi)(shi)(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統(tong)的(de)(de)運行(xing)費(fei)用(yong)下(xia)降(jiang)至較為經(jing)濟的(de)(de)狀態。