An emergency panel automatic switching circuit comprises a first interlocking machine working relay KM1, a second interlocking machine working relay KM2, an emergency panel working relay KM3 and an interlocking machine recovery relay KM4, when a double-system fault occurs in an interlocking machine, the first interlocking machine working relay KM1 and the second interlocking machine working relay KM2 fall off, and the emergency panel working relay KM3 and the interlocking machine recovery relay KM4 return to the first interlocking machine working relay KM1 and the second interlocking machine working relay KM2 return to the second interlocking machine working relay KM3. A front contact of a first interlocking machine working relay KM1 and a front contact of a second interlocking machine working relay KM2 are both disconnected, a coil of an emergency panel working relay KM3 loses power, the emergency panel working relay KM3 falls down, a rear contact of the emergency panel working relay KM3 is closed, an emergency panel control power supply is sent to the emergency panel, and meanwhile, a coil of an interlocking machine recovery relay KM4 loses power. And the interlocking machine recovery relay KM4 falls down, the front contact of the interlocking machine recovery relay KM4 is disconnected, and the emergency panel control power supply cannot be sent to the interlocking machine. When a double-system fault occurs, the emergency panel control is automatically switched, the efficiency is improved, the double-control condition is avoided, the control stability is improved, and the safety risk is avoided.

    一种应急盘自动切换电路,包含第一联锁机工作继电器KM1,第二联锁机工作继电器KM2,应急盘工作继电器KM3和联锁机复原继电器KM4,当联锁机发生双系故障时,第一联锁机工作继电器KM1和第二联锁机工作继电器KM2均落下,第一联锁机工作继电器KM1的前接点和第二联锁机工作继电器KM2的前接点均断开,应急盘工作继电器KM3线圈失电,应急盘工作继电器KM3落下,应急盘工作继电器KM3的后接点闭合,应急盘控制电源送到应急盘内,同时联锁机复原继电器KM4线圈失电,联锁机复原继电器KM4落下,联锁机复原继电器KM4的前接点断开,应急盘控制电源无法送到联锁机内。本发明在双系故障时自动切换到应急盘控制,提高了效率,避免了双控情况,提高了控制稳定性,规避了安全风险。


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    Titel :

    Emergency disc automatic switching circuit


    Weitere Titelangaben:

    一种应急盘自动切换电路


    Beteiligte:
    XIE QIANYE (Autor:in) / WANG WEI (Autor:in)

    Erscheinungsdatum :

    2024-01-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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