365wm完美体育

365wm完美体育

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了解环境测试的历史

2022-10-10

第二次世界大战期间和战争结束后，西方国家，尤其是美国，建立了一系列环境试验场，实验室并制定了环境试验标准。根据美国军方的要求，所有武器设备，零件，材料和弹药必须送到环境实验室进行模拟环境测试，然后再送到环境测试场进行现场环境测试。只有通过所有这些测试的人员才能正式交付部队使用。美国军方将环境测试作为测试和评估工作的一部分。当前，国外环境测试已经标准化，并且许多国家已经制定了环境测试标准，并且它们都相似。这些测试主要由IEC60068标准覆盖。

环境试验的试验场应具有广泛的代表性，并应尽可能接近模拟试验。工程师在选择模拟测试项目时，应分析测试对象的具体要求。他们应该使选择代表主要环境，同时，加快测试速度并节省资金。根据IEC60068-2（GB2423）电气和电子产品环境测试第2部分，电气和电子产品的环境测试包括气候环境测试和机械测试。主要有高低温（湿热试验），盐雾试验，冲击试验，振动试验，IP防护等级试验等测试。因此，照明制造商需要进行的基本环境测试也包括这些主要方面。

高温和低温测试：该测试主要通过高温和低温测试室实现，应用于工业产品高温和低温的可靠性测试。对于与电子电工，航空航天，高等学校，科研单位有关的产品，该腔室可以测试零件在高温和低温（交替）循环下的性能指标。该腔室具有广泛的温度控制范围，可以对产品执行低温，高温测试和恒温测试。测试箱将采用不同的程序使测试更接近自然气候，从而模拟更恶劣的自然气候，从而使被测样品的可靠性更高。IEC60068第2部分的第2章介绍了详细的测试案例。立顺研发了GDJS / GDJW系列高温高湿试验箱，完全符合LM-80，IEC60068-2-1（GB / T2423.1）和IEC60068（GB / T2423.2）等标准。可用于CFL / LED照明行业的测试。另外，它还可以用于电子产品，电气元件和材料等领域。

盐雾测试：盐雾测试主要通过盐雾机完成。产品应通过盐雾测试以测试其耐腐蚀性。盐雾是指由大气中的微小盐滴组成的分散系统。如今，为了模拟海洋周围气候引起的产品破坏性，这里是盐雾室。盐雾试验分为中性盐雾试验和酸性盐雾试验，区别在于需要遵守的标准和试验方法不同，分别称“ NSS”和“ CASS”试验。盐雾测试是三种抗人工气候条件下最常见的测试方法。IEC60068-2-11：1981（GB / T2423.17-2008）完整描述了测试要求。根据盐雾测试的标准要求。

IP保护测试：保护系统由IEC起草，根据其防尘防潮特性对设备进行分类。此处的对象是指工具，电气部件内的手指不可触及，以避免电击。防护等级主要用IP后跟两个数字来描述，该数字用来确定防护等级。第一个数字表示电器的防尘等级，它是防止异物侵入的等级，最高等级为6；第二个数字表示防潮和防水的能力，最高等级为8。数字越大，表示保护等级越高。因此IP防护等级测试包括防尘和防水测试。

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