ZDJ9型转辙机电路故障的快速诊断法

Rapid Diagnostic Method for ZDJ9 Switch Machine Circuit Faults

[目的]既有的ZDJ9型转辙机电路故障诊断方法步骤多,操作复杂,效率低下,严重影响了故障抢修效率。对此,有必要研究ZDJ9型转辙机电路故障的快速诊断方法。[方法]基于ZDJ9型转辙机电路的构成及既有诊断测量方法的操作流程,分析了既有诊断方法存在的问题,提出了一种ZDJ9型转辙机电路故障快速诊断方法,并详细描述了此方法的操作流程和电路原理;对比现有诊断测量方法,分析了该方法的优缺点。分析了该方法在上海轨道交通12号线的应用情况。[结果及结论]ZDJ9型转辙机电路故障的快速诊断方法可以快速诊断确定表示电路故障和动作电路故障;在诊断表示电路的过程中,不需要操动道岔;在诊断动作电路的过程中,可以根据正确的表示电路,缩小诊断范围;诊断预操位置的电路隐患,确认电压正常后操动,可以提前避免故障的发生。实际应用效果表明,该方法能大幅提升电路故障的诊断效率。

[Objective]The existing diagnostic methods for ZDJ9 switch machine circuit faults have multiple steps,complex operations,and low efficiency,seriously affecting the fault repair efficiency.Thus,it is necessary to develop a rapid diagnostic method for ZDJ9 switch machine circuit faults.[Method]Based on the composition of ZDJ9 switch machine circuit and the operation process of existing diagnostic methods,the issues with existing diagnostic methods are analyzed.A rapid diagnostic method for ZDJ9 switch machine circuit faults is proposed,the operation process and circuit principles of the method are described in detail.Compared with existing diagnostic methods,the advantages and disadvantages of this method are analyzed,as well as the application of this method on Shanghai Rail Transit Line 12.[Result&Conclusion]The above-mentioned rapid diagnostic method can quickly diagnose and identify indication circuit and action circuit faults.In diagnosing indication circuit,it does not require operating the turnout.While in diagnosing action circuits,it can narrow down the diagnostic range based on the correct indication circuit.Diagnosing the potential circuit hazards at the pre-operation position and confirming normal voltage before operation can prevent faults in advance.Practical application results show that this method significantly improves the efficiency of diagnosing circuit faults.