电子质量
電子質量
전자질량
ELECTRONICS QUALITY
2012年
6期
61-63
,共3页
中频接收机%电流%焊点%绝缘垫片
中頻接收機%電流%銲點%絕緣墊片
중빈접수궤%전류%한점%절연점편
Medium-frequency%Current%Solder joints:insulating gasket
某型导弹在进行地面测试中,发生无法准备好的故障,分析认为是中频接收机故障,具体表现为中频接收机Y路输出信号幅度减小、消耗电流增大。该文描述了中频接收机的故障定位过程,结合产品的电路原理对故障发生的机理进行了详细分析,并通过模拟故障复现试验和产品的装配结构分析,验证了故障定位的准确性和机理分析的正确性,最后通过在工艺上增加控制措施的方法使故障得以彻底解决。
某型導彈在進行地麵測試中,髮生無法準備好的故障,分析認為是中頻接收機故障,具體錶現為中頻接收機Y路輸齣信號幅度減小、消耗電流增大。該文描述瞭中頻接收機的故障定位過程,結閤產品的電路原理對故障髮生的機理進行瞭詳細分析,併通過模擬故障複現試驗和產品的裝配結構分析,驗證瞭故障定位的準確性和機理分析的正確性,最後通過在工藝上增加控製措施的方法使故障得以徹底解決。
모형도탄재진행지면측시중,발생무법준비호적고장,분석인위시중빈접수궤고장,구체표현위중빈접수궤Y로수출신호폭도감소、소모전류증대。해문묘술료중빈접수궤적고장정위과정,결합산품적전로원리대고장발생적궤리진행료상세분석,병통과모의고장복현시험화산품적장배결구분석,험증료고장정위적준학성화궤리분석적정학성,최후통과재공예상증가공제조시적방법사고장득이철저해결。
A fault hapoened that the Y output signal amplitude was reduced and current was increased when a A medium-frequency receiver was testing at room temperature and static environment,This arti- cle describes the process of fault location and analyses the mechanism of the fault according to the product circuit.By simulated fault experiment and analysis of the assembly structure of the product.We Verified the accuracy of fault location and the correctness of the mechanism analysis.Finally,the solutions of the fault is given .
