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生(sheng)化培(pei)養箱(xiang)結構(gou)及工(gong)作(zuo)原(yuan)理
生(sheng)化培(pei)養箱(xiang)結構(gou)及工(gong)作(zuo)原(yuan)理生(sheng)化培(pei)養箱(xiang)結構(gou):本系(xi)列(lie)生(sheng)化培(pei)養箱(xiang)由箱(xiang)體.溫控裝置(zhi).加(jia)熱(re)制冷系(xi)統(tong).循(xun)環風道(dao)等部(bu)分組成。箱(xiang)體工(gong)作(zuo)室(shi)為鏡面不(bu)銹(xiu)鋼(gang)沖壓而(er)成(cheng),四(si)周(zhou)圓(yuan)弧結構(gou),容易(yi)清洗。箱(xiang)體外(wai)殼采(cai)用鋼(gang)板表面噴(pen)塑(su)。箱(xiang)門裝有(you)觀察(cha)窗,便(bian)於(yu)觀察(cha)箱(xiang)內(nei)試(shi)驗(yan)品(pin)狀態。工(gong)作(zuo)室(shi)網板高度(du)可(ke)任(ren)意(yi)調整(zheng)。工(gong)作(zuo)室(shi)與箱(xiang)體之(zhi)間填充隔(ge)熱(re)性能好聚(ju)胺脂(zhi)發泡板,保溫性能良(liang)好。溫控裝置(zhi)主(zhu)要(yao)有溫控儀,溫度(du)傳感(gan)器組成。溫控儀具(ju)有超(chao)溫保護、定(ding)時(shi)、掉(diao)電(dian)保護等功能(neng),加(jia)熱(re)制冷系(xi)統(tong)由(you)加(jia)熱(re)管(guan).蒸(zheng)發器.冷凝(ning)器.壓縮機(ji)等構(gou)成。氣(qi)體循(xun)環風道(dao),本系(xi)列(lie)生(sheng)化箱(xiang)循環風道(dao)設(she)計合理,zui大限度(du)保證了箱(xiang)內(nei)的(de)溫度(du)均(jun)勻性。本生(sheng)化箱(xiang)裝有(you)照明(ming)裝(zhuang)置(zhi),方(fang)便(bian)用(yong)戶觀察(cha)箱(xiang)內(nei)物品(pin)。工(gong)作(zuo)原(yuan)理由(you)PT100鉑(bo)電(dian)阻作(zuo)為(wei)傳感(gan)器測量(liang)所得溫度(du)信號(hao)傳到(dao)溫控儀,溫控儀內(nei)CPU作(zuo)出(chu)正確(que)的(de)判(pan)斷,輸(shu)出加(jia)熱(re)信號(hao)或制(zhi)冷信號(hao),控制加(jia)熱(re)管(guan)或壓縮機(ji)工(gong)作(zuo),控制方(fang)法為(wei)模糊PID控制,控溫精度高(gao),溫度(du)波動(dong)度小。
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