[恒溫恒濕箱]恒溫恒濕箱內部溫度(du)濕度(du)是如(ru)何控制的？

　　恒(heng)(heng)溫(wen)(wen)恒(heng)(heng)濕(shi)(shi)箱是產品放在(zai)規(gui)定的溫(wen)(wen)度(du)及(ji)濕(shi)(shi)度(du)，看(kan)產品的耐(nai)(nai)高溫(wen)(wen)，耐(nai)(nai)低溫(wen)(wen)，以及(ji)抗(kang)濕(shi)(shi)度(du)能力，那么恒(heng)(heng)溫(wen)(wen)恒(heng)(heng)濕(shi)(shi)箱同(tong)時具備加(jia)溫(wen)(wen)，降溫(wen)(wen)，加(jia)濕(shi)(shi)，降濕(shi)(shi)能力。

　　加(jia)(jia)溫(wen)(wen)(wen)裝置是控(kong)(kong)制恒溫(wen)(wen)(wen)恒濕(shi)機(ji)(ji)(ji)是不(bu)是升溫(wen)(wen)(wen)關鍵環節;它是控(kong)(kong)制器(qi)(qi)(qi)得到升溫(wen)(wen)(wen)指令時會輸出(chu)(chu)(chu)電(dian)(dian)(dian)壓給繼電(dian)(dian)(dian)器(qi)(qi)(qi)，大約(yue)3-12伏直流(liu)電(dian)(dian)(dian)加(jia)(jia)在(zai)固態繼電(dian)(dian)(dian)器(qi)(qi)(qi)上(shang)面;它的交流(liu)端(duan)相當于導(dao)線接(jie)通;接(jie)觸器(qi)(qi)(qi)也同時吸合，加(jia)(jia)熱(re)器(qi)(qi)(qi)兩(liang)端(duan)有電(dian)(dian)(dian)壓使其(qi)發熱(re)，通過(guo)循(xun)環風機(ji)(ji)(ji)帶(dai)動(dong)把熱(re)量帶(dai)到箱里，使恒溫(wen)(wen)(wen)恒濕(shi)機(ji)(ji)(ji)升溫(wen)(wen)(wen)，那溫(wen)(wen)(wen)度(du)(du)快(kuai)達到你的設定值;控(kong)(kong)制器(qi)(qi)(qi)通過(guo)加(jia)(jia)在(zai)固態繼電(dian)(dian)(dian)器(qi)(qi)(qi)通斷(duan)調節;我們在(zai)恒溫(wen)(wen)(wen)恒濕(shi)機(ji)(ji)(ji)看屏(ping)幕上(shang)加(jia)(jia)熱(re)出(chu)(chu)(chu)力多少來調節發熱(re)量;這(zhe)是在(zai)89度(du)(du)以(yi)上(shang)溫(wen)(wen)(wen)度(du)(du)控(kong)(kong)制，在(zai)89度(du)(du)以(yi)下溫(wen)(wen)(wen)度(du)(du)穩定如何控(kong)(kong)制呢？恒溫(wen)(wen)(wen)恒濕(shi)機(ji)(ji)(ji)是在(zai)一邊通過(guo)固態繼電(dian)(dian)(dian)器(qi)(qi)(qi)發熱(re)出(chu)(chu)(chu)力多少;另通過(guo)壓縮機(ji)(ji)(ji)制冷循(xun)環降溫(wen)(wen)(wen)達到動(dong)態平衡;溫(wen)(wen)(wen)度(du)(du)恒定。

　　降溫(wen)(wen)是恒(heng)(heng)(heng)溫(wen)(wen)恒(heng)(heng)(heng)濕(shi)機(ji)重要(yao)環(huan)節，是判定一(yi)臺恒(heng)(heng)(heng)溫(wen)(wen)恒(heng)(heng)(heng)濕(shi)機(ji)性能好(hao)壞重要(yao)參數，它包括壓(ya)縮機(ji)、冷(leng)凝器(qi)(qi)、節流裝置、蒸(zheng)發器(qi)(qi)四大組成。壓(ya)縮機(ji)是制(zhi)(zhi)冷(leng)系統心臟(zang)，它吸入(ru)低溫(wen)(wen)低壓(ya)氣(qi)(qi)體(ti)，變(bian)成高溫(wen)(wen)高壓(ya)氣(qi)(qi)體(ti)，通過(guo)冷(leng)凝成液(ye)體(ti)放出(chu)熱量(liang)，通過(guo)風機(ji)帶走熱量(liang)，所以恒(heng)(heng)(heng)溫(wen)(wen)恒(heng)(heng)(heng)濕(shi)機(ji)下(xia)面是熱風原因，然后(hou)通過(guo)節流到為低壓(ya)液(ye)體(ti)，其(qi)次通過(guo)蒸(zheng)發器(qi)(qi)成為低溫(wen)(wen)低壓(ya)氣(qi)(qi)體(ti)最后(hou)回到壓(ya)縮機(ji);制(zhi)(zhi)冷(leng)劑在(zai)蒸(zheng)發器(qi)(qi)中(zhong)吸收熱量(liang)完成氣(qi)(qi)化過(guo)程(cheng)重而吸收熱量(liang)，達到制(zhi)(zhi)冷(leng)目(mu)的(de)，完成恒(heng)(heng)(heng)溫(wen)(wen)恒(heng)(heng)(heng)濕(shi)機(ji)降溫(wen)(wen)過(guo)程(cheng)。

　　加(jia)濕系統與加(jia)熱(re)系統大致一樣;它(ta)是加(jia)熱(re)器(qi)加(jia)熱(re)水變成蒸(zheng)汽過程;完成恒溫恒濕機加(jia)濕目的。

　　降濕(shi)系統也是(shi)靠(kao)制冷(leng)系統完(wan)成，蒸(zheng)發器放在恒(heng)(heng)(heng)溫(wen)(wen)恒(heng)(heng)(heng)濕(shi)機里面;比較冷(leng)，恒(heng)(heng)(heng)溫(wen)(wen)恒(heng)(heng)(heng)濕(shi)機里面高濕(shi)氣體(ti)(ti)(ti)會見冷(leng)的物體(ti)(ti)(ti)冷(leng)凝(ning)成液體(ti)(ti)(ti);如此反復箱體(ti)(ti)(ti)的高濕(shi)氣體(ti)(ti)(ti)會很(hen)少，達到降濕(shi)目的。

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