EIA36428E 电子连接器振动测试方法中英.docx

1、EIA36428E 电子连接器振动测试方法中英CONTENTS 目录Table1 Vibration conditions .52 Values for test condition V .133 Values for test condition VI .144 Values for test condition VII .15Figure1 Mounting axis definitions.32 Vibration test curves - high frequency (displacement in mm) .73 Vibration test curves - high freq

2、uency (displacement in inches).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 envelope .141.Introduction简介1.1.Scope 范围The standard test procedure details a method to assess the

3、ability of electrical 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受特定强度振动的能力。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

4、may be encountered 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围内及其振动幅度的环境，以此验证对产品性能的影响情况.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.

5、The referencing 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 the Detail Specification.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。若实际测试所使用的轴向与图1不同，则在相关参考文件中需对试验装置要

6、求及轴向进行定义。对于具有对称性，方形及不规则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 fix

7、ture seating plane attached to the test table.垂直于固定治具的测试平台的方向1.3.2.The term gn 术语gnThis term is the SI unit for the standard acceleration due to the earths gravity, which itself varies with 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 is 9

8、.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 accuracy of 2%. The vibration system consisting of the vibration machine, together with its auxiliary test equipment, shall be capable of generati

9、ng 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辅助测试设备，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 limit

10、ed 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，且包括下列条件中任一条适用的条件：3.1.1A conn

11、ector plug and its mating connector receptacle.连接器的公头及与其相对应的母头；3.1.2A printed circuit connector receptacle and its mating connector board(s).印刷电路板及与其相对应的连接器；3.1.3An 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 processe

12、s, 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 means

13、, then only normal locking means shall be used.每一试验样品都应准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。若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）。若是通过的锁扣方式连接，那么也需采用相同的方式连接。3.3.Method of mounting 安装方法3.31Test 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 specime

14、n 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 monitor

15、ed 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 as possible the normal mounting of the specimen. A minimum of 200 mm (approx 8 in) of wire or cable shall be unsupported on both ends of

16、 the connector. For specimens with attached brackets, one of the vibration-test directions shall be parallel to the mounting surface of the bracket. Vibration input shall be monitored on the mounting fixture in the proximity of the support points of the specimen.连接器试验样品应固定到能传递规定振动条件的夹具上，夹具的设计应能保证它的固

17、有共振频率在试验所规定的频率范围内达到最小。在试验夹具上接近样品的地方监控所施加的振动强度。样品安装应尽可能模拟实际使用状况。在连接器尾端至少有200毫米（约8英寸）长的导线末被固定。对于带有安装托架的样品，振动试样的一个方向应平行于托架的安装面。在靠近样品支撑点的地方监控振动输入。3.32Test conditions V, VI and VII (random excitation conditions)试验条件V，VI和VII（随机振动测试条件）The specimen shall be mounted as specified. The orientation of the speci

18、men or direction of application of the applied vibration motion shall be specified in one or more directions. If the order of application of the different directions is critical, it also shall be specified. Any special test fixtures or jigs required to run the test shall be specified in sufficient d

19、etail to assure reproducibility of the input motion applied to the specimen. These details shall include the dimensions, the materials, temper, etc., as applicable.按规定的方法安装样品，试验样品的位置或施加振动的方向应规定朝一个或一个以上的方向。如果朝不同方向施加的次序很重要，那就应该规定不同方向的先后顺序。对于进行试验所要求的任何特殊试验夹具或机架应充分详细规定，以保证施加到样品的输入量具有重复性，这些详细的规定包括尺寸、材料和温

20、度等。4.Test procedure 测试程序Tests and measurements before, during and after vibration shall be as specified in the referencing document. 应在相关的参考文件中规定振动之前，之中或之后的各种测试项目。4.1.Test conditions I, II, III and IV测试条件、4.1.1 Electrical load and discontinuity电负载及其不连续性4.1.1.1Unless otherwise specified in the refere

21、ncing document, the electrical load condition shall be 100 milliamperes, maximum for all contacts.除非另有规定,施加电负载时,通过端子的电流最大不得超过100mA。4.1.1.2Unless otherwise specified in the referencing document, no discontinuities of one microsecond or greater duration are allowed. A detector capable of detecting the

22、 specified discontinuity shall be used.除非另有规定,试验过程中应使用合适的仪器来监控电路的电气不连续性, 不允许出现大于1s的断路现象。4.1.2Vibration conditions 振动条件Vibration conditions shall be in accordance with table 1, as applicable.表1 列出适用的振动条件。4.1.3Resonance 共振A critical resonant frequency is that frequency at which any point on the specim

23、en is observed to have a maximum amplitude more than twice that of the support points. When specified, resonant frequencies shall be determined either by monitoring parameters such as contact opening, or by use of resonance-detecting instrumentation.所谓的临界共振频率是指在该频率时观测到的试验样品上任一点的最大振幅将比支撑点的 振幅的2 倍还要大.

24、当有规定时,共振频率应采用监控参数的方法,或采用共振检测仪的方法来确定共振频率。4.1.4Test condition I 测试条件IThe specimens shall be subjected to a simple harmonic motion having an amplitude 1.52 mm (0.06 in) double amplitude (maximum total excursion), the frequency being varied uniformly between the approximate limits of 10 Hz and 55 Hz. Th

25、e entire frequency range, from 10 Hz to 55 Hz and return to 10 Hz, shall be traversed in approximately 1 minute. Unless otherwise specified, this motion shall be applied for 2 hours in each of three mutually perpendicular directions (total of 6 hours). If applicable, this test shall be made under el

26、ectrical load conditions.样品承受振幅为1.52mm(P-P) 的简谐振动,其频率在10 至55Hz 之间均匀变化,整个频率范围内(从10至55,再从55至10)约历时1分钟. 除非另有规定,在相互垂直的三个方法上各振动2小时(总共6 小时).如果适用,振动应在施加电负载的条件下进行4.1.5Test condition II 98.1 m/s2 (10 gn) peak 测试条件【峰值：98.1ms2(10gn) 】The specimens, while deenergized or operating under the load conditions speci

27、fied, shall be subjected to the vibration amplitude, frequency range, and duration specified 4.1.5.1, 4.1.5.2 and and 4.1.5.3, respectively; see figures 2 and 3.在没有承受或承受规定电负载的情况下,样品应分别承受如4.1.5.1、4.1.5.2 及4.1.5.3 所规定的振幅、频率和时间的振动，见图2和图34.1.5.1Amplitude 振幅The specimens shall be subjected to a simple ha

28、rmonic motion having an amplitude of either 1.52 mm (0.06 in) double amplitude (maximum total excursion) or 98.1 m/s2 (10 gn) peak, whichever is less. The tolerance on vibration amplitude shall be 10%.样品承受振幅为1.52mm(P-P)或峰值为10g的简谐振动,在两者之间选择振幅较小的一个振幅的容许误差为10%.4.1.5.2Frequency 频率The vibration frequency

29、 shall be varied logarithmically between the approximate limits of 10 Hz and 500 Hz (see 4.1.8) except that the procedure (see 4.1.4) of this standard may be applied during the 10 Hz to 55 Hz band of the vibration frequency range.振动频率在10 至500Hz 范围内近似作对数变化(见4.1.8),但在10 至55Hz 范围内应按4.1.4 中所规定的程序进行.4.1.5.3Sweep time and duration 扫描时间及持续时间The entire frequency range of 10 Hz to 500 Hz and return to 10 Hz shall be traversed in 15 minutes. This cycle shall be performed 12 times in each of three mutually perpendicular directions (total of 36 times), s