一、什么是恒溫恒濕空調
恒(heng)(heng)溫(wen)(wen)恒(heng)(heng)濕空(kong)調(diao)(diao)是(shi)工(gong)業空(kong)調(diao)(diao)的(de)一(yi)種,在對室內(nei)溫(wen)(wen)、濕度波動和區域(yu)偏差控制要求嚴(yan)格的(de)領域(yu),使(shi)用恒(heng)(heng)溫(wen)(wen)恒(heng)(heng)濕空(kong)調(diao)(diao)可以很好控制室內(nei)溫(wen)(wen)濕度,對工(gong)業生產(chan)起幫助作(zuo)用。作(zuo)為一(yi)種精密空(kong)調(diao)(diao),恒(heng)(heng)溫(wen)(wen)恒(heng)(heng)濕空(kong)調(diao)(diao)廣泛(fan)應(ying)用于電子(zi)、光(guang)學設備(bei)、化妝品、醫療(liao)衛(wei)生、生物制藥、食品制造、各類(lei)計量、檢測及實驗室等行(xing)業。
二、恒溫恒濕空調系統工作原理是什么
恒溫恒濕空調系統(tong)由控(kong)制器、人機界面、變頻器、溫濕度(du)傳感(gan)器、水閥執行器、風(feng)閥執行器、高溫斷路器、風(feng)壓開(kai)關(guan)等組(zu)成(cheng),通過三個相互(hu)聯系的系統(tong)進(jin)行工作:
1、制冷劑循環系統
蒸(zheng)(zheng)發(fa)器(qi)中的液(ye)態制(zhi)(zhi)冷(leng)(leng)劑(ji)吸收空氣的熱量(空氣被(bei)降(jiang)溫(wen)及除濕)并(bing)開始蒸(zheng)(zheng)發(fa),最(zui)終制(zhi)(zhi)冷(leng)(leng)劑(ji)與空之間形成一定的溫(wen)度差(cha),液(ye)態制(zhi)(zhi)冷(leng)(leng)劑(ji)亦完全蒸(zheng)(zheng)發(fa)變為氣態,后被(bei)壓(ya)縮(suo)機吸入并(bing)壓(ya)縮(suo)(壓(ya)力和溫(wen)度增加),氣態制(zhi)(zhi)冷(leng)(leng)劑(ji)通過冷(leng)(leng)凝器(qi)(風冷(leng)(leng)/水冷(leng)(leng))吸收熱量,凝結成液(ye)體。通過膨脹閥(或(huo)毛細管)節流后變成低溫(wen)低壓(ya)制(zhi)(zhi)冷(leng)(leng)劑(ji)進入蒸(zheng)(zheng)發(fa)器(qi),完成制(zhi)(zhi)冷(leng)(leng)劑(ji)循環過程。
2、空氣環系統
風(feng)機(ji)負責將空(kong)氣(qi)從(cong)回風(feng)口吸入,空(kong)氣(qi)經過蒸發(fa)器(qi)(qi)(降溫、除(chu)濕(shi))、加濕(shi)器(qi)(qi)、電加熱器(qi)(qi)(升溫)后(hou),經送(song)風(feng)口送(song)到(dao)用戶需的空(kong)間內,送(song)出的空(kong)氣(qi)與(yu)空(kong)間內的空(kong)氣(qi)混合后(hou)回到(dao)回風(feng)口。
3、電器自控系統
電器自控系統包括電源部分和自動控制部分:
(1)電源部分通(tong)過接觸器,對壓縮機、風扇、電加熱器,加濕器等(deng)供應(ying)電源。
(2)自(zi)動(dong)控(kong)(kong)制分部(bu)分又分為溫(wen)(wen)、濕(shi)(shi)度控(kong)(kong)制及故(gu)(gu)障(zhang)(zhang)保(bao)(bao)護(hu)(hu)部(bu)分:溫(wen)(wen)、濕(shi)(shi)度控(kong)(kong)制是通過溫(wen)(wen)、濕(shi)(shi)度控(kong)(kong)制器(qi),將(jiang)回風的溫(wen)(wen)濕(shi)(shi)度與用(yong)戶設定(ding)的溫(wen)(wen)濕(shi)(shi)作對比,自(zi)動(dong)運行(xing)壓縮(suo)機(ji)(降溫(wen)(wen)、除濕(shi)(shi)),加(jia)濕(shi)(shi)器(qi),電加(jia)熱(升溫(wen)(wen))等(deng)(deng)元件,實現恒溫(wen)(wen)恒濕(shi)(shi)的自(zi)動(dong)控(kong)(kong)制。故(gu)(gu)障(zhang)(zhang)保(bao)(bao)護(hu)(hu)控(kong)(kong)制是通過壓力保(bao)(bao)護(hu)(hu)、延時器(qi)、繼電器(qi)、過載保(bao)(bao)護(hu)(hu)等(deng)(deng)相互組(zu)合達(da)到,對壓縮(suo)機(ji),風機(ji),加(jia)濕(shi)(shi)器(qi)等(deng)(deng)元件進行(xing)故(gu)(gu)障(zhang)(zhang)保(bao)(bao)護(hu)(hu)的控(kong)(kong)制。
三、恒溫恒濕空調溫度和濕度怎么控制
恒溫恒濕空調可以(yi)感應室(shi)內的(de)溫(wen)濕度(du),并通過制(zhi)熱、制(zhi)冷、加(jia)濕、除濕等操作進行溫(wen)度(du)和濕度(du)的(de)控制(zhi),具體的(de)方(fang)法是:
1、溫度控制
(1)制熱(re):室(shi)內傳(chuan)感(gan)器(qi)檢測到(dao)室(shi)內溫度低于(yu)設定(ding)溫度時,PLC控制器(qi)發出指令(ling)給四(si)通換向閥和輔助加熱(re)器(qi)工作,以達(da)到(dao)升溫目(mu)的。
(2)制冷:當室(shi)內(nei)傳感器(qi)檢測(ce)到溫(wen)(wen)度(du)高于設(she)定(ding)(ding)溫(wen)(wen)度(du)時(shi),PLC控(kong)制器(qi)發出指令給室(shi)外機,室(shi)外機工作冷凝器(qi)散熱,內(nei)機蒸(zheng)發器(qi)給室(shi)內(nei)降(jiang)溫(wen)(wen),然后(hou)通(tong)過風機送(song)冷氣至(zhi)定(ding)(ding)室(shi)內(nei)。
3、濕度控制
(1)加濕(shi):當室(shi)內(nei)(nei)濕(shi)度(du)(du)傳感器檢測室(shi)內(nei)(nei)濕(shi)度(du)(du)低于設定溫度(du)(du)時,PLC控制(zhi)器發出指(zhi)令給加濕(shi)器,來實(shi)現加濕(shi)目(mu)的。
(2)除濕(shi)(shi)(shi):當室(shi)內濕(shi)(shi)(shi)度(du)傳感器檢測到室(shi)內濕(shi)(shi)(shi)度(du)高(gao)于(yu)設(she)定濕(shi)(shi)(shi)度(du)時,PLC控制器發出指令(ling)給壓(ya)縮機(ji)和(he)電磁閥工作,實現恒溫(wen)除濕(shi)(shi)(shi)狀態。