The invention provides a railway vehicle high-voltage interlocking protection device and method and a railway vehicle, the device comprises N power supply unit operation modules, a grounding switch interlocking module, N grounding switch modules and a safety interlocking box, N is greater than or equal to 2, the ith power supply unit operation module is used for controlling the input of the ith group of power supply units of the railway vehicle, and the grounding switch interlocking module is used for interlocking the grounding switch modules. The ith grounding switch module is used for controlling grounding of the ith group of power supply units; the grounding switch interlocking module is used for unlocking after all the power supply unit operation modules cut off the input of the corresponding power supply units and unlocking the grounding switch module; and the safety interlocking box is used for unlocking after all the grounding switch modules place the corresponding grounding switches at the grounding positions, and unlocking corresponding equipment through a built-in equipment key. The method and the device are used for overcoming the defect that high-voltage interlocking protection is difficult to realize under the condition that a railway vehicle has multiple groups of power supply units in the prior art, and high safety and high reliability of high-voltage interlocking protection of the railway vehicle with multiple power supply units are realized.

    本发明提供一种轨道车辆高压互锁保护装置、方法及轨道车辆,该装置包括:N个供电单元操作模块、接地开关联锁模块、N个接地开关模块和安全联锁盒,其中,N≥2,第i供电单元操作模块用于控制轨道车辆的第i组供电单元的投入,第i接地开关模块用于控制所述第i组供电单元的接地;所述接地开关联锁模块用于在所有供电单元操作模块切除对应供电单元的投入后解锁,并解锁接地开关模块;所述安全联锁盒用于在所有接地开关模块将对应接地开关置于接地位后解锁,并通过内置的设备钥匙解锁对应设备。用以解决现有技术中轨道车辆有多组供电单元的情况下难以实现高压互锁保护的缺陷,实现多供电单元轨道车辆高压互锁保护的高安全性和高可靠性。


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    Title :

    Railway vehicle high-voltage interlocking protection device and method and railway vehicle


    Additional title:

    轨道车辆高压互锁保护装置、方法及轨道车辆


    Contributors:

    Publication date :

    2023-09-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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