电子设备机械结构. IEC 60917和IEC 60297试验. 第5部分: 底盘, 子架, 和相关插入式部件的地震试验

[中文适用范围]： 本部分IEC 61587规定了IEC 60297和IEC 60917系列定义的机箱、子架和插件单元的地震测试要求。它仅适用于IEC 60297和IEC 60917系列中电子设备的机箱、子架和插件单元的机械结构（全部或部分适用），不适用于这些机械结构内的电子元件、设备或系统。 注：子架可能是机箱的组成部分（在行业中常称为搁板或机架）。 本标准的目的是建立IEC 60297和IEC 60917系列机箱、子架和插件单元的物理完整性水平，该水平可在发生地震时及其后保持功能的生存能力。其意图是让用户在选择满足此类需求的设备实践时具有高度信心。 由于IEC 60297和IEC 60917系列的机箱、子架和插件单元具有多种尺寸、重量和机械复杂性，不可能为所有重量类别定义单一的最小地震测试要求。因此，本标准定义了整体质量类别。然而，机箱和子架内部的质量分布被视为“特定于应用的”，在此定义为“预期用途”。 地震测试的单轴或三轴加速度是可选择的。 [外文原描述]： IEC 61587-5:2013 specifies seismic test requirements for chassis, subracks, and plug-in units as defined in the IEC 60297 and IEC 60917 series. It applies in whole or in part, only to the mechanical structures of chassis, subracks, and plug-in units for electronic equipment, according to the IEC 60297 and IEC 60917 series, and does not apply to electronic components, equipment or systems within the mechanical structures. The object of this standard is to establish a level of physical integrity of chassis, subracks, and plug-in units according to IEC 60297 and IEC 60917 series that may provide a level of survivability that will preserve functionality during and after a seismic occurrence. It is intended to provide the user with a high level of confidence in the selection of an equipment practice to meet such needs. Since IEC 60297 and IEC 60917 series chassis, subracks, and plug-in units come in many sizes, weights and mechanical complexities, it is not possible to define a single minimum seismic test requirement for all weight categories. Therefore, overall mass categories are defined in this standard. However, the mass distribution inside a chassis and subrack is considered "application-specific" and herein defined as "intended use". Key words: chassis, subracks, plug-in units, seismic tests