Train single-door control circuit
A control circuit, single door technology, applied in electrical locking circuits, door devices, electric locks, etc., can solve the problems of increasing circuit design costs and failure rates, complex control circuit design, and complex delay in unlocking a single door. Design cost and failure rate, increase reliability, and ensure the effect of mechanical device life
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[0021] Embodiments of the present invention will be explained below in conjunction with the accompanying drawings.
[0022] Install the electric unlock switch (knob type) outside the vehicle on the side near the driver's cab, and the side near the second passenger compartment. The driver console is equipped with a single door button. The single door control circuit is as follows figure 1 shown.
[0023] The train has a door control unit, a single door button located in the driver's compartment and an electric unlock switch located outside the doors. During the door opening and closing process, the close limit switch and the lock limit switch are triggered, and the door controller judges whether the door is opened or not by monitoring the status of the normally closed contact S3 of the door close limit switch and the normally closed contact S4 of the lock limit switch. When the contacts of the normally closed contact S3 of the close limit switch and the normally closed contact...
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