一、觸摸屏高低溫試驗機參照標準:

1. GBT 2424.5-2006 電(dian)工(gong)電(dian)子(zi)產(chan)品環境試驗(yan) 溫度試驗(yan)箱(xiang)性能確(que)認

2.G/BT 2423.4-2008/IEC6008-2-30:2005試(shi)驗Db:交變濕熱(re)方法

3.GB/T10586-2006濕熱試驗箱技術條件

4.GBT 2424.7-2006 電工電子產品(pin)環(huan)境(jing)試(shi)驗 試(shi)驗A和(he)B(帶負載(zai))溫度試(shi)驗箱的測量

二、觸摸屏高低溫試驗機機(ji)械板金結構:

1、采用循環(huan)(huan)風扇(shan)與馬達、鋁質加長軸心、耐高低溫鋁合金多翼式結(jie)構循環(huan)(huan)風扇(shan)，達到強制對流垂(chui)直擴散循環(huan)(huan)。

2、風口可調式出風口。

3、保溫(wen)材料：100mm超細玻璃纖維棉；

三、高低溫試驗箱制冷原理：

制(zhi)冷(leng)(leng)(leng)(leng)方(fang)法分為蒸(zheng)(zheng)氣(qi)(qi)(qi)壓(ya)(ya)縮式(shi)(shi)制(zhi)冷(leng)(leng)(leng)(leng)、吸收式(shi)(shi)制(zhi)冷(leng)(leng)(leng)(leng)、 蒸(zheng)(zheng)氣(qi)(qi)(qi)噴(pen)射(she)式(shi)(shi)制(zhi)冷(leng)(leng)(leng)(leng)、氣(qi)(qi)(qi)體(ti)(ti)(ti)(ti)膨(peng)(peng)(peng)脹式(shi)(shi)制(zhi)冷(leng)(leng)(leng)(leng)、熱電制(zhi)冷(leng)(leng)(leng)(leng)。在(zai)上(shang)述制(zhi)冷(leng)(leng)(leng)(leng)方(fang)法中，蒸(zheng)(zheng)氣(qi)(qi)(qi)壓(ya)(ya)縮制(zhi)冷(leng)(leng)(leng)(leng)是(shi)而且應用(yong)zui廣(guang)泛(fan)的(de)(de)制(zhi)冷(leng)(leng)(leng)(leng)方(fang)式(shi)(shi)，亦是(shi)環境試驗設備中zui常(chang)使用(yong)的(de)(de)制(zhi)冷(leng)(leng)(leng)(leng)方(fang)式(shi)(shi)，其原理是(shi)利用(yong)氟利昂等(deng)液(ye)體(ti)(ti)(ti)(ti)的(de)(de)蒸(zheng)(zheng)發(fa)潛熱從被(bei)冷(leng)(leng)(leng)(leng)卻物體(ti)(ti)(ti)(ti)中吸熱而實現制(zhi)冷(leng)(leng)(leng)(leng)。（單級制(zhi)冷(leng)(leng)(leng)(leng)循環圖(tu)）為蒸(zheng)(zheng)氣(qi)(qi)(qi)壓(ya)(ya)縮式(shi)(shi)制(zhi)冷(leng)(leng)(leng)(leng)循環過(guo)程的(de)(de)示意圖(tu)。經膨(peng)(peng)(peng)脹閥節流(liu)進入(ru)蒸(zheng)(zheng)發(fa)器的(de)(de)液(ye)體(ti)(ti)(ti)(ti)，從周圍物體(ti)(ti)(ti)(ti)中吸取蒸(zheng)(zheng)發(fa)潛熱而蒸(zheng)(zheng)發(fa)，蒸(zheng)(zheng)發(fa)后(hou)變成(cheng)(cheng)低(di)溫低(di)壓(ya)(ya)氣(qi)(qi)(qi)體(ti)(ti)(ti)(ti)被(bei)制(zhi)冷(leng)(leng)(leng)(leng)壓(ya)(ya)縮機(ji)吸入(ru)，經壓(ya)(ya)縮機(ji)壓(ya)(ya)縮后(hou)變成(cheng)(cheng)高溫高壓(ya)(ya)氣(qi)(qi)(qi)體(ti)(ti)(ti)(ti)進入(ru)水冷(leng)(leng)(leng)(leng)或風冷(leng)(leng)(leng)(leng)冷(leng)(leng)(leng)(leng)凝(ning)器，在(zai)其中冷(leng)(leng)(leng)(leng)卻成(cheng)(cheng)高壓(ya)(ya)液(ye)體(ti)(ti)(ti)(ti)，再經膨(peng)(peng)(peng)脹閥進入(ru)蒸(zheng)(zheng)發(fa)器。