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模拟高低温试验箱如何制冷以及制冷原理

作者:高低温试验箱    来源:http://guyuren.com    发布时间:2019-12-17 17:24    浏览量:

  SUOYONGHUANJINGYINGLISHULIANG:

  模拟高低温试验箱来说,GJB150中规定了19个试验项目,MIL-STD-810D中规定了20个模拟高低温试验箱项目,810F增加到24个试验项目,包括对产品较重要影的环境应力,如:温度,湿芭,盐雾,振动冲击,压力,太阳辐射,砂尘,淋雨等。受试产品应根据其未来的使用环境条件及受影响程度对试验项目进行甄选,一般应考察10个以上环境应力。而可靠性试验由于要进行综合模拟,只将综合环境应力(温度,湿度,振动)与电应力结合进行试验。可见,可靠性试验所选用的环境应力数量比模拟高低温试验箱少得多。

  HUANJINGYINGLILIANGZHIXUANYONGZHUNZE:

  MONIGAODIWENSHIYANXIANGJIBENCAIYONGJIZHITIAOJIAN,YONGYANKUDAITIWENHE,JICAIYONGCHANPINZAISHOUMINGZHOUQINEIKENENGYUDAODEDEHUANJINGTIAOJIANZUOWEISHIYANTIAOJIAN。XUDUOSHIYANDAIYOUYIDINGDEPOHUAIXINGQIESHIYANGUOCHENGZHONGYIBANBUXUMONICHANPINDEGONGZUOZHUANGTAI。ERKEKAOXINGSHIYANCAIYONGSHIXIAOSHIYAN,JIZHENSHIDIMONIZHUCUN,YUNSHU,SHIYONGGUOCHENGZHONGYUDAODEZHUYAOHUANJINGTIAOJIANJIQIDONGTAIBIANHUAGUOCHENG。ZAIGJB-889HEXIANGYINGDEMIL-STD-781DZHONGGUIDINGLEYITAOYAOJURENWUPOUMIANQUEDINGHUANJINGPOUMIAN,ZAIJIANGHUANJINGPOUMIANJIANHUAWEISHIYANPOUMIANDUICHANPINJINXINGZHANGSHIJIANKEKAOXINGKAOHEDEFANGFA。KEKAOXINGSHIYANYIBANBUHUIDUICHANPINZAOCHENGPOHUAI,TAXUYAOMONICHANPINDEGONGZUOZHUANGTAI,SUOYONGDESHIYANTIAOJIANDABUFENMONIGONGZUOZHONGCHANGYUDAODEJIAOWENHEDEYINGLIHUANJING,QUZHIJIAOMONIGAODIWENSHIYANXIANGDIDEDUO。

模拟高低温试验箱如何制冷以及制冷原理

  SHIYANLEIXING:

  模拟高低温试验箱通常采用单因素试验和多因素组合试验,以一定的顺序依次作用在产品上。可靠性试验多采用综合应力试验,将多个环境应力在同一空间,同一时间施加在样品上,更真实模拟使用环境条件的影响。为了提高试验结果的准确性,可靠性,模拟高低温试验箱也开始着力发展综合试验,积及开发能同时施加温度,湿度,振动,辐射,沙尘,风,雨等应力的大型多功能模拟高低温试验箱设备。

  SHIYANSHIJIAN:

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水果拉霸多人版   SHIYANZHONGZHIPANJU:

  MONIGAODIWENSHIYANXIANGBUYUNXUCHUXIANGUZHANG,CHANPINYILIANGCHUXIANGUZHANG,JIURENWEITONGBUGUOSHIYAN,SHIYANJIGAOTINGZHIBINGJINXINGGUZHANGFENXI,CAIQUJIUZHENGCUOSHI,GAIJINSHEJI。ZHEISHIMONIGAODIWENSHIYANXIANGDETAAFGUOCHENG。ERKEKAOXINGSHIYANSHIYIYIDINGDETONGJIGAILVBIAOSHIJIEGUODESHIYAN,GENJUHETONGYAOQIUDEKEKAOXINGDINGLIANGZHIBIAOHESUOXUANTONGJIFANGANQUEDINGYUNXUCHUXIANDEGUZHANGSHU。SHIYANYAOYIZHIJINXINGDAODAGUIDINGDEZONGTAISHISHUCAINENGTINGZHI。ZHENGGESHIYANGUOCHENGZHONGYINGJIANLIGUZHANGBAOGAO,FENXIHEJIUZHENGCUOSHIXITONG(FRACAS)。

  MONIGAODIWENSHIYANXIANGYUKEKAOXINGSHIYANSUIRANGUANXIJINMI,DANTAMENZAISHIYANMUDE,SUOYONGHUANJINGYINGLISHULIANG,HUANJINGLILIANGZHIXUANYONGZHUNZE,SHIYANLEIXING,SHIYANSHIJIAN,SHIYANZHONGZHIPANJUFANGMIANCUNZAIJIERANDEBUTONGZHICHU。

  模拟高低温试验箱考察的是产品对环境的适应性,确定产品的环境适应性设计是否符合合同要求,为接收,拒收提供决策依据。而可靠性试验是定量评估产品的可靠性,即产品在规定环境条件下,规定时间内完成规定功能的概率。

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