在(zai)生物(wu)、化學(xue)、電(dian)子等實(shi)驗室(shi)領域(yu),許多(duo)樣(yang)品(pin)、試劑(ji)及精密儀(yi)器(qi)對環(huan)境(jing)濕(shi)度(du)極為(wei)敏感(gan),潮(chao)濕環(huan)境(jing)易(yi)導致(zhi)樣(yang)品(pin)變(bian)質、試劑(ji)失效(xiao)、儀器(qi)損壞(huai),直(zhi)接影(ying)響實(shi)驗結果的準確性與可(ke)靠性(xing)。自動(dong)防(fang)潮(chao)箱憑借“智(zhi)能(neng)控(kong)濕、穩(wen)定保濕(shi)、安(an)全存(cun)儲”的核(he)心特性,突(tu)破(po)傳(chuan)統(tong)防(fang)潮(chao)設備的操作局限,成(cheng)為(wei)實驗室(shi)各(ge)類敏(min)感(gan)物(wu)品(pin)存(cun)儲的核(he)心裝備,為(wei)實驗材料的長期(qi)保存(cun)提供精準可(ke)靠的濕度(du)環(huan)境(jing)保(bao)障(zhang)。
自動(dong)防(fang)潮(chao)箱的結構設(she)計(ji)圍繞(rao)“高(gao)效(xiao)除(chu)濕、精準控(kong)濕”展(zhan)開,主(zhu)要(yao)由(you)箱體(ti)、除(chu)濕系(xi)統(tong)、濕度(du)控(kong)制系(xi)統(tong)、通(tong)風(feng)系(xi)統(tong)及安(an)全防(fang)護裝置(zhi)組(zu)成(cheng)。箱體(ti)采(cai)用(yong)冷軋鋼(gang)板(ban)或不(bu)銹鋼(gang)材質,內壁(bi)貼合(he)防(fang)潮(chao)密封條,形成(cheng)密閉空(kong)間(jian),有(you)效(xiao)阻隔(ge)外界濕氣(qi)侵(qin)入(ru);除(chu)濕系(xi)統(tong)是核(he)心組件,主流采(cai)用(yong)“半(ban)導體(ti)冷凝(ning)除(chu)濕”或(huo)“吸(xi)附(fu)式(shi)除(chu)濕”技(ji)術(shu),半(ban)導體(ti)冷凝(ning)除(chu)濕通(tong)過半(ban)導體(ti)芯(xin)片(pian)的溫差(cha)效(xiao)應將(jiang)箱內濕(shi)氣(qi)冷凝(ning)成(cheng)水排出,適(shi)合(he)中(zhong)低(di)濕度(du)需(xu)求;吸附式(shi)除(chu)濕利(li)用(yong)分子篩、矽膠等(deng)吸附(fu)劑吸(xi)收濕(shi)氣(qi),再通(tong)過加(jia)熱再生實現(xian)循(xun)環(huan)除(chu)濕,可(ke)實(shi)現(xian)低(di)至10%RH以(yi)下(xia)的幹燥環(huan)境(jing)。濕(shi)度(du)控(kong)制系(xi)統(tong)由(you)高(gao)精度(du)濕(shi)度(du)傳(chuan)感(gan)器(qi)、微(wei)處(chu)理(li)器(qi)及觸(chu)摸控(kong)制面板(ban)組成(cheng),可(ke)實(shi)時監(jian)測並(bing)顯示(shi)箱內濕(shi)度(du),用(yong)戶(hu)通(tong)過面板設定目標濕(shi)度(du)後(hou),系(xi)統(tong)自動(dong)啟(qi)停(ting)除(chu)濕裝(zhuang)置(zhi)調(tiao)節濕(shi)度(du);通(tong)風(feng)系(xi)統(tong)通(tong)過靜音(yin)風扇實現(xian)箱內空(kong)氣(qi)循環(huan),確(que)保(bao)濕(shi)度(du)均(jun)勻(yun);安(an)全(quan)防(fang)護裝置(zhi)包(bao)括超溫報警(jing)、濕(shi)度(du)異(yi)常(chang)報(bao)警(jing)及門(men)鎖(suo)功(gong)能(neng),保(bao)障(zhang)存(cun)儲安全(quan)。

其工(gong)作(zuo)原理(li)是通(tong)過濕度(du)傳(chuan)感(gan)器(qi)實(shi)時采(cai)集(ji)箱內濕(shi)度(du)數(shu)據,傳(chuan)輸(shu)至(zhi)微(wei)處(chu)理(li)器(qi)與設(she)定值進行對比:當(dang)實際濕度(du)高(gao)於設定值時,微(wei)處理(li)器(qi)啟(qi)動(dong)除(chu)濕系(xi)統(tong),半(ban)導體(ti)冷凝(ning)除(chu)濕模塊將(jiang)空(kong)氣(qi)中(zhong)的水汽(qi)冷凝(ning)為(wei)液(ye)態(tai)水,經導水管(guan)排(pai)出箱外;或(huo)吸附(fu)式(shi)除(chu)濕模塊的吸附劑吸(xi)附濕氣(qi),待吸附(fu)飽(bao)和(he)後(hou)自動(dong)進(jin)入(ru)加(jia)熱再生模式(shi),將(jiang)吸(xi)附的濕氣(qi)排出並(bing)恢復(fu)吸附(fu)能力。同(tong)時,通(tong)風(feng)風扇(shan)持(chi)續運轉,使箱內濕(shi)度(du)分布均(jun)勻(yun),當(dang)濕度(du)達到設定值時,除(chu)濕系(xi)統(tong)自動(dong)停(ting)機(ji),實現(xian)恒溫恒濕的存(cun)儲環(huan)境(jing)。
相較於傳(chuan)統(tong)防(fang)潮(chao)設備,自動(dong)防(fang)潮(chao)箱的核(he)心優(you)勢體(ti)現(xian)在(zai)“智能精準”“穩(wen)定可(ke)靠”與“多(duo)功(gong)能(neng)適(shi)配(pei)”三(san)大維度(du)。其壹,控(kong)濕精度(du)高(gao),濕(shi)度(du)調(tiao)節範(fan)圍通(tong)常(chang)為(wei)10%-60%RH,部分機(ji)型可(ke)達1%-99%RH,波(bo)動(dong)範(fan)圍≤±3%RH,遠高(gao)於幹燥器(qi)的濕度(du)穩(wen)定性,滿(man)足(zu)精密樣(yang)品(pin)的存(cun)儲需求(qiu);其二,自動(dong)化程(cheng)度(du)高(gao),無(wu)需(xu)人(ren)工(gong)頻繁更(geng)換幹燥劑,可(ke)24小(xiao)時連續(xu)運行,自動(dong)維(wei)持(chi)設定濕度(du),大(da)幅降低(di)人(ren)工(gong)運維成(cheng)本(ben);其三(san),多(duo)功(gong)能(neng)適(shi)配(pei),箱體(ti)規(gui)格多(duo)樣(yang),可(ke)根(gen)據實(shi)驗室(shi)需求選擇臺(tai)式(shi)或(huo)立(li)式(shi)機(ji)型;部(bu)分機(ji)型集(ji)成(cheng)恒溫功(gong)能(neng),適(shi)配(pei)對溫濕度(du)均(jun)有(you)要(yao)求的樣(yang)品(pin);內(nei)部配(pei)備可(ke)調(tiao)節層(ceng)板(ban),便(bian)於存(cun)放不(bu)同(tong)規(gui)格的樣(yang)品(pin)瓶(ping)、試劑(ji)管(guan)及精密儀(yi)器(qi)。
在(zai)實(shi)際應用(yong)中(zhong),自動(dong)防(fang)潮(chao)箱的價值覆蓋(gai)多(duo)領域(yu)實驗室(shi)存(cun)儲場景(jing)。生(sheng)物(wu)實驗室(shi),用於存(cun)儲PCR引(yin)物(wu)、探(tan)針(zhen)、酶制劑等(deng)生物(wu)試劑(ji),潮(chao)濕易(yi)導致(zhi)酶活(huo)性(xing)降(jiang)低(di)、核(he)酸(suan)降解,將(jiang)濕(shi)度(du)控(kong)制在30%-40%RH可(ke)有(you)效(xiao)延長其保(bao)質期;存(cun)儲細胞凍(dong)存(cun)管(guan)、菌種斜(xie)面,避免(mian)受(shou)潮(chao)汙染(ran)。化學(xue)實驗室(shi),存(cun)放易(yi)吸(xi)潮(chao)的化學(xue)試劑(ji)、標準(zhun)品(pin)及色譜(pu)柱(zhu),防(fang)止試劑(ji)結塊、變(bian)質或色譜(pu)柱(zhu)性能(neng)下(xia)降。電(dian)子實驗室(shi),存(cun)儲電(dian)子元器(qi)件、精密儀(yi)器(qi),避(bi)免(mian)潮(chao)濕導致(zhi)的電(dian)路(lu)短(duan)路、鏡頭黴變。材料實(shi)驗室(shi),用於存(cun)儲粉末(mo)樣(yang)品(pin)、復(fu)合材料試樣(yang),防(fang)止吸濕影(ying)響材料的物(wu)理(li)化學(xue)性能(neng)測(ce)試結果。
使用(yong)
亞(ya)速(su)旺(wang)自動(dong)防(fang)潮(chao)箱時需(xu)註意三(san)點:壹是放置時遠(yuan)離水源及潮(chao)濕環(huan)境(jing),確(que)保(bao)通(tong)風(feng)良好(hao);二是定期清(qing)潔(jie)除(chu)濕模塊與導水管(guan),防(fang)止堵塞影(ying)響除(chu)濕效(xiao)果;三(san)是根據存(cun)儲物(wu)品(pin)的濕度(du)需(xu)求合理(li)設定參數,避免(mian)過度(du)除(chu)濕造成(cheng)樣(yang)品(pin)幹裂(lie)。