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1、精品学习资源CONTENTS 目录1. Introduction 简介1-11.1. Scope范畴1-21.2. Object 主旨1-21.3. Definitions 定义1-22. Test resources测试程序2-33. Test specimen测试样品3-34. Test procedure测试程序4-44.1. Test conditions I, II, III and IV4-44.2. Test conditions V, VI and VII测试条件 V、VI 和 VII4-95. Details to be specified 细节规定5-146. Test d
2、ocumentation 测试报告6-14Table1 Vibration conditions52 Values for test condition V133 Values for test condition VI144 Values for test condition VII15Figure1 Mounting axis definitions.32 Vibration test curves - high frequency displacement in mm73 Vibration test curves - high frequency displacement in inc
3、hes.84 Test condition V, random vibration test curve envelope.125 Test condition VI, random vibration test curve envelope.136 Test condition VII, random vibration test curve envelope141. Introduction 简介欢迎下载精品学习资源1.1. Scope 范畴The standard test procedure details a method to assess the ability of elect
4、rical connector components to withstand specified severities of vibration.此试验标准详述了一种用于电子连接器振动试验的标准方法，用以评估电子连接器及其组件承担特定强度振动的才能；1.2. Object 主旨The object of this test is to determine the effects of vibration within the predominant or random vibration frequency ranges and magnitudes that may be encounte
5、red during the life of the connector.此试验的是用来模拟产品在使用过程中可能遭受到的主要频段或随机振动频段范畴内及其振动幅度的环境，以此验证对产品性能的影响情形.1.3. Definitions 定义1.3.1. Axis 轴向The following mounting axis definitions shall be employed during the performance of this test. Figure 1 indicates a pictorial view of the axis definitions. The referenc
6、ing document shall indicate the fixturing required or the axis definitions if different than as stated in figure 1. Axis definitions for symmetrical, square and“ free ” connectors shall be defined in theSpDeectiafiicl ation.在执行振动测试时，轴向需明确定义清楚；图1标示了各轴向的定义；照实际测试所使用的轴向与图1不同，就在相关参考文件中需对试验装置要求及轴向进行定义；对于具
7、有对称性，方形及不规章的连接器的轴向的定义也要在规范细目中详加定义；1.3.1.1. X-axis X- 轴Along the longitudinal length of the test sample沿着试件的纵向长度方向；1.3.1.2. Y-axis Y- 轴The axis perpendicular to the longitudinal length of the sample transverse direction.垂直于试件纵向长度的方向（横向方向）；1.3.1.3. Z-axis Z-轴The axis perpendicular to the fixture seati
8、ng plane attached to the test table.垂直于固定治具的测试平台的方向欢迎下载精品学习资源1.3.2. The term gn 术语gnThis term is the SI unit for the standard acceleration due to the earthelf varies wgritahvity, which欢迎下载精品学习资源altitude and geographic latitude.gn是国际单位，表示标准的重力加速度，其本身随着高度和地理位置而变化；NOTE In this standard the value of gn
9、is 9.81 m/s2.备注：在这个标准中 gn 取9.81 m/s22. Test resources 测试程序2.1. Equipment 设备The monitoring transducer shall be calibrated against a standard transducer having an accuracyof2%. The vibration system consisting of the vibration machine, together with its auxiliary test equipment, shall be capable of gen
10、erating either a sinusoidal or random excitation.传感器需由标准传感器（精度在 2%以内）进行校准；振动系统包含有振动机及帮忙测试设备，整个系统应能产生正弦或随机振动；Test equipment for random vibration shall produce random excitation that possesses a Gaussian normal amplitude distribution, except that the acceleration magnitudes of the peak values may be l
11、imited to a minimum of three times the rms three-sigma 3 limits.用于随机振动的测试设备所产生的随机振动的振动幅度应符合高斯分布，但加速度的峰值可限止到最小为 3 倍的均方根值（区间为 3）；3. Test specimen 测试样品3.1. A vibration test sample shall be a fully wired connector consisting of one of the following, as applicable;振动试验的样品应是完全连接好连接器，且包括以下条件中任一条适用的条件：3.1.1
12、 A connector plug and its mating connector receptacle.连接器的公头及与其相对应的母头；3.1.2 A printed circuit connector receptacle and its mating connector boards.印刷电路板及与其相对应的连接器；3.1.3 An integral, functional connector assembly.已装配好且具完整功能的组合件；3.2. Each test sample shall be prepared with wire and other materials or
13、processes, simulating application assembly of the sample. If normal connector mating is dependent upon forces external to the connector, then such forces and mounting arrangement shall be as closely duplicated as possible example: printed circuit connectors. If mating is achieved with normal locking
14、 means, then only normal locking means shall be used.每一试验样品都应预备好导线及其它材料，或作好模拟连接器的现场组装等工作；如连接器的连接方式需要依靠外力，那么这些外力与连接方式应尽可能模拟实际的状况（例如：印刷电路连接器）；如是通过的锁扣方式连接，那么也需接受相同的方式连接；3.3. Method of mounting 安装方法3.1 Test conditions I, II, III and IV sinusoidal evaluation conditions试验条件 I，II ，III 和试验条件 IV 正弦振动测试条件 The
15、 specimen shall be attached to a fixture capable of transmitting the vibration conditions specified. The test fixture shall be designed so that resonant vibration inherent in the fixture within the frequency range specified for the test shall be minor. The magnitude of the applied vibration shall be monitored on the test fixture near the specimen mounting points. The test specimen shall be mounted rigidly to the test fixture as specified and shall simulate as closely
