Vehicle door emergency unlocking control method and vehicle door system

Abstract

The invention discloses a vehicle door emergency unlocking control method and a vehicle door system. The method comprises the steps that firstly, a protection cover plate of an emergency exit device is opened when a handle needs to be operated, or the handle of the emergency exit device is operated at a small angle which cannot unlock a vehicle door after the protection cover plate is opened; if the vehicle is in a fault power loss condition, the handle of the emergency exit device is released by a handle control structure, and the handle is allowed to be operated; if not, a vehicle door evacuation request loop is activated, and an evacuation request signal is sent to a train signal system by the vehicle door evacuation request loop; and after receiving the evacuation request signal, the train signal system controls the train to stop in a safe area so as to activate a zero-speed train line signal and controls the train door to forbid unlocking of the train line signal to be invalid, sothat the handle is controlled to be released by the handle control structure to allow the handle to operate. According to the method, the safety of whether the vehicle door can be manually opened ornot is improved, and therefore safe evacuation of passengers is better guaranteed.

Description

technical field [0001] The present invention relates to the technical field of emergency unlocking of vehicle doors, more specifically, to a control method for emergency unlocking of vehicle doors, and the present invention also relates to a vehicle door system. Background technique [0002] The emergency exit device is a necessary part of the door system of rail transit vehicles. It is used to manually unlock the door in emergency situations permitted by the operator (such as vehicle failure and power loss, etc.), so as to ensure that the door can still be used as an escape exit for the people in the vehicle at this time. device. [0003] Under normal circumstances, the emergency exit device is mainly composed of a protective cover, an operating handle, a housing and a wire rope pulley, and is installed on the interior parts near the door by bolts, and is on the passenger's visual interface. Passengers can open the protective cover in an emergency, operate the handle accor...

AI Technical Summary

Problems solved by technology

[0012] However, the above-mentioned control method for emergency unlocking of the car door is controlled by the car door control unit whether the car door can be opened manually, which is less safe.

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