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技术文章您当前的位置:北京33选7 > 技术文章 > 紫外老化试验箱的工作原理

紫外老化试验箱的工作原理

日期:2021-08-21浏览:167次

北京33选7ZIWAILAOHUASHIYANXIANGSHILINGYIZHONGMONIGUANGZHAODEGUANGLAOHUASHIYANSHEBEI,TAZHUYAOMONIYANGGUANGZHONGDEZIWAIGUANG。TONGSHITAHAIKEYIZAIXIANYUSHUIHELUSHUISUOCHANSHENGDEPOHUAI。SHEBEITONGGUOJIANGDAICECAILIAOPUSHAIFANGZAIJINGGUOKONGZHIDEYANGGUANGHESHIQIDEJIAOHUXUNHUANZHONG,TONGSHITIGAOWENDUDEFANGSHILAIJINXINGSHIYAN。SHEBEICAIYONGZIWAIXIANYINGGUANGDENGMONIYANGGUANG,TONGSHIHAIKEYITONGGUOLENGNINGHUOPENLINDEFANGSHIMONISHIQIYINGXIANG。 

北京33选7ZHIXUYAOJITIANHUOJIZHOUSHIJIAN,SHEBEIKEYIZAIXIANHUWAIXUYAOSHUYUEHUOSHUNIANSUOCHANSHENGDEPOHUAI。SUOZAOCHENGDESUNHAIZHUYAOBAOKUOTUISE、BIANSE、LIANGDUXIAJIANG、FENHUA、GUILIE、BIANMOHU、CUIHUA、QIANGDUXIAJIANGJIYANGHUA。SHEBEITIGONGDECESHISHUJUZAIDUIXINCAILIAODEXUANZE、DUIXIANYOUCAILIAODEGAIJINHUOPINGGUYINGXIANGCHANPINNAIYONGXINGDEZUCHENGBIANHUADENGFANGMIANYOUJIDADEBANGZHU。SHEBEIKEYIJIHAODIYUCECHANPINJIANGZAIHUWAIZAOYUDEBIANHUA。 

尽管紫外光(UV)只占阳光的5%,但是它却是造成户外产品耐用性下降的主要光照因素。这是因为阳光的光化学反应影响随着波长的减少而增加。因此在模拟阳光对材料物理性质的破坏影响时,不需要再现整个阳光光谱。在大多数情况下,只需要模拟短波的UV光即可。紫外光加速耐候试验机之所以采用UV灯的原因在于它们比其他的灯管更为稳定,并且能更好的再现试验结果。采用荧光UV灯模拟阳光对物理性质的影响,例如亮度下降、龟裂、剥落等方面,是的方法。有几种不同的UV灯可供选择。大多数的这些UV灯主要产生紫外光,而不是可见光和红外光。灯的主要差别体现在它们在各自波长范围内产生的UV总能量上的不同。不同的灯会产生不同的测试结果。实际的曝晒应用环境可以提示应选用哪种类型的UV灯。
紫外老化试验箱灯管的选择

ZIWAILAOHUASHIYANXIANGDENGGUANJIESHAO:YINGGUANGZIWAIDENGGUANGYUAN,SHIMONIZIRANYANGGUANGZHONGDEZIWAIGUANGFUSHE。SHIYONGFANWEIGUANG。KEANZHUANGZAIDUISEDENGXIANGZHONGHUOQITACHANGHE。RUTANSHANG(RUTIEGUIJIANCEDENG)、LAOHUASHIYAN,JIAOSHUININGGUJIJIANCHAZHIZHANG,MIANLIAO,ZHIBUSHANGDEYINGGUANGZHIWU(RUMIANLIAOSHIFOUYOULINDENG),YULECHANGSUOZHUANGSHI(RUWUTINGDENG)DENG。SHIYONGYU:FANGZHI、YINRAN、FUZHUANG、PIGE、XIECAI、SUJIAO、DIANQI、PENTU、DIANDU、TULIAO、YOUMO、YANLIAO、HUAGONG、YINSHUA、JIAJU、SHUIXITAI、JIANCAI、SHEYINGDENGYANLIAOGUANLILINGYU。

北京33选7  ⒈DENGGUANGONGLV:40W

  ⒉DENGGUANZHANGDU:1200mm

  ⒊FUZHAODUFANWEI:≤50w/m24.ZHIJING:38mm5.

北京33选7    GUOCHANDENGGUANDEYOUXIAOSHIYONGSHOUMINGZAI(500-700XIAOSHIZUOYOU);JINKOUDENGGUANSHOUMING(1600-1800XIAOSHIZUOYOU)。DENGGUANDADAOSHIYONGSHOUMINGBINGFEIBUNENGSHIYONG,ZHISHIDENGGUANXIANGTONGNENGLISHURUERCHANSHENGDEKELIYONGZIWAIXIANQIANGDUBUGOU。YEJIUSHISHUOZIWAIXIANSHUCHUXIAOLVDI,ZAOCHENGNENGLIANGSUNSHI。

北京33选7    ZIWAIBOZHANGFANWEI:290nm~400nm UVA-340MONIYANGGUANGZIWAIXIANDEzuiJIAXUANZE(GUANGLAOHUA)UVA-340KEJIHAODEMONILINJIEDUANBOBOZHANGFANWEIYANGGUANGGUANGPU,BOZHANGFANWEIWEI315~400nmDEGUANGPU。,TADEFAGUANGGUANGPUNENGLIANGZHUYAOJIZHONGZAI340nmDEBOZHANGCHU。JIWEIUVB-340DENGGUAN.

      UVB-313YONGYUzuiDACHENGDUDEJIASUSHIYAN(JIASULAOHUA)

    UVB-313KEYIHENKUAIDITIGONGSHIYANJIEGUO。TAMENSUOCAIYONGDEDUANBOZHANGUVBIMUQIANDIQIUBIAOMIANSHANGTONGCHANGZHAODAODEUVGUANGBOGENGWEIQIANGLIE。JINGUANZHEIXIEBIZIRANBOZHANGDUANXUDUODEUVGUANGQUENENGGOUzuiDACHENGDUDIJIASUSHIYAN。BOZHANGWEI280~315nm,TADEFAGUANGGUANGPUNENGLIANGZHUYAOJIZHONGZAI313nmDEBOZHANGCHU。JIWEIUVB-313DENGGUAN,UVC-365DENGGUANDEFAGUANGGUANGPUNENGLIANGZHUYAOJIZHONGZAI365nmDEBOZHANGCHU

ZIWAIDENGGUANDEXUANZE

北京33选7①DADUOSHUSHIYANYAOQIUTUIJIANCAIYONGUVA-340XINGDENG,TASHIMONIXIATIANZHENGZHONGWURIGUANGZHAOSHEHOUDEQINGKUANG,ZHEIZHONGDENGZAI340nmCHUYOUYIGEFASHEFENG。

②RUSHIYANXUYAOJIAKUAILAOHUASUDUDEJIEGUOTUIJIANCAIYONGUVB-313XINGDENG,ZHEIZHONGDENGZAI313nmCHUYOUYIGEFASHEFENG。

③RUXUYAOSHAJUNJIEGUODEJIANCESHIYANTUIJIANCAIYONGUVC-365XINGDENG,ZHEIZHONGDENGZAI365nmCHUYOUYIGEFASHEFENG。

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