[恒溫恒濕箱]恒濕恒濕箱正常運行是通過三個相互關聯的系統
[恒溫恒濕箱]恒(heng)濕(shi)恒(heng)濕(shi)箱的(de)正常(chang)運行是通(tong)過三個(ge)相互(hu)關聯的(de)系統
恒濕恒濕箱設備的正常運行是(shi)通(tong)(tong)過三個相互關聯(lian)的系統:制(zhi)冷劑循環系統、空氣循環系統、電器(qi)自(zi)控系統; 恒溫恒濕試驗(yan)箱用(yong)于電子、電器(qi)、通(tong)(tong)訊、儀(yi)表、車輛、塑膠制(zhi)品、金屬、食(shi)品、化學、建材、醫療、航天研發等產品在一定溫濕度環境下的使用(yong)壽命。
制冷劑循環系(xi)統(tong):
蒸(zheng)發(fa)器中的液(ye)態(tai)(tai)制(zhi)冷(leng)劑(ji)吸(xi)(xi)收(shou)空(kong)氣(qi)的熱量(空(kong)氣(qi)被降溫(wen)及除濕)并開始(shi)蒸(zheng)發(fa),最終(zhong)制(zhi)冷(leng)劑(ji)與空(kong)之間形(xing)成(cheng)(cheng)一定的溫(wen)度(du)差(cha),液(ye)態(tai)(tai)制(zhi)冷(leng)劑(ji)亦完全蒸(zheng)發(fa)變為氣(qi)態(tai)(tai),后(hou)被壓(ya)縮機吸(xi)(xi)入(ru)并壓(ya)縮(壓(ya)力(li)和溫(wen)度(du)增加),氣(qi)態(tai)(tai)制(zhi)冷(leng)劑(ji)通(tong)過冷(leng)凝器(風冷(leng)/水冷(leng))吸(xi)(xi)收(shou)熱量,凝結成(cheng)(cheng)液(ye)體。通(tong)過膨(peng)脹閥(或毛細(xi)管)節流后(hou)變成(cheng)(cheng)低溫(wen)低壓(ya)制(zhi)冷(leng)劑(ji)進入(ru)蒸(zheng)發(fa)器,完成(cheng)(cheng)制(zhi)冷(leng)劑(ji)循環過程。
空氣環系統:
風機負責(ze)將(jiang)空(kong)(kong)氣(qi)從(cong)回風口(kou)吸入(ru),空(kong)(kong)氣(qi)經過蒸發器(qi)(qi)(降溫、除濕(shi)),加(jia)濕(shi)器(qi)(qi),電加(jia)熱器(qi)(qi)(升溫)后(hou)經送風口(kou)送到用(yong)戶需(xu)的空(kong)(kong)間內(nei),送出的空(kong)(kong)氣(qi)與空(kong)(kong)間內(nei)的空(kong)(kong)氣(qi)混(hun)合后(hou)回到回風口(kou)。
電器自控系統:
包括電源部分(fen)和自動控制部分(fen)。
電(dian)(dian)源部(bu)(bu)分(fen)(fen)通過接觸器(qi)(qi),對壓(ya)縮機、風(feng)扇、電(dian)(dian)加(jia)(jia)器(qi)(qi)器(qi)(qi),加(jia)(jia)濕(shi)器(qi)(qi)等供應電(dian)(dian)源自動控(kong)制(zhi)分(fen)(fen)部(bu)(bu)分(fen)(fen)又分(fen)(fen)為溫(wen)、濕(shi)度(du)(du)控(kong)制(zhi)及故障保護部(bu)(bu)分(fen)(fen):溫(wen)、濕(shi)度(du)(du)控(kong)制(zhi)是通過溫(wen)、濕(shi)度(du)(du)控(kong)制(zhi)器(qi)(qi),將回風(feng)的溫(wen)濕(shi)度(du)(du)與用戶設定(ding)的溫(wen)濕(shi)作(zuo)對比(bi),自動運行(xing)壓(ya)縮機(降溫(wen)、除(chu)濕(shi)),加(jia)(jia)濕(shi)器(qi)(qi),電(dian)(dian)加(jia)(jia)熱(re)(升溫(wen))等元件(jian),實現恒溫(wen)恒濕(shi)的自動控(kong)制(zhi)。
技術參數:
1.工作(zuo)室(shi)尺寸;400*500*400(mm)
2.工(gong)作室溫度范(fan)圍:-70~+150℃
4.溫度均(jun)勻度:≤±2℃ (空載時)
5.溫度波(bo)動度:≤±0.5℃ (空載時(shi))
6.溫度偏(pian)差:≤±2℃ (空載時)
7.降(jiang)溫速率:≥1.0~2.0℃/min
8.升溫速(su)度(du):≥1.0~3.0℃/min
9.時間設定(ding)范圍:0~9999 小(xiao)時
10.總功率:5KW
11.噪音:<65db<>
故障(zhang)保(bao)護控(kong)制是(shi)通過壓(ya)力保(bao)護、延(yan)時器、繼電器、過載保(bao)護等相互組合(he)達到,對壓(ya)縮機,風機,加濕器等元件進行(xing)故障(zhang)保(bao)護的控(kong)制
滿足以下標準:GB2423.1-89低(di)溫(wen)(wen)(wen)試(shi)驗(yan)方法、GB2423.2-89高(gao)(gao)溫(wen)(wen)(wen)試(shi)驗(yan)方法、GB2423-93試(shi)驗(yan)D6交變濕熱試(shi)驗(yan)方法、IEC68-2-30試(shi)驗(yan)方法。性能指標符合GB5170.2.3.5.6-95《電工電子產品(pin)環境試(shi)驗(yan)設備基本參(can)數檢定方法低(di)溫(wen)(wen)(wen)、高(gao)(gao)溫(wen)(wen)(wen)、恒定濕熱、交變濕熱試(shi)驗(yan)設備》的要求。
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